阅读说明：本技术 一种电动三轮车车厢固定架 (Electric tricycle carriage mount ) 是由 曾庆杰 于 2021-06-22 设计创作，主要内容包括：本发明涉及电动三轮车领域,具体是一种电动三轮车车厢固定架,包括车厢体,所述车厢体底面设有固定结构,且车厢体通过固定结构连接于电动车的车架上,且固定结构包括滑移单元；所述滑移单元包括电动气缸、U形架和滑行架；所述滑行架呈U形状,滑行架的两端设有延伸杆,延伸杆的一端固接于滑行架的端部,延伸杆的另一端滑动连接在U形架端部的滑孔内,且延伸杆的另一端固接于电动气缸的输出端,电动气缸安装于滑孔内底部,并电性连接电动三轮车的控制器；所述滑行架内侧壁之间固接有梯形状的支撑架,支撑架中间的横梁上转动连接液压缸的底部,液压缸的输出端转动连接于车厢体的内底。(The invention relates to the field of electric tricycles, in particular to a carriage fixing frame of an electric tricycle, which comprises a carriage body, wherein a fixing structure is arranged on the bottom surface of the carriage body, the carriage body is connected to a frame of an electric bicycle through the fixing structure, and the fixing structure comprises a sliding unit; the sliding unit comprises an electric cylinder, a U-shaped frame and a sliding frame; the sliding frame is U-shaped, extension rods are arranged at two ends of the sliding frame, one end of each extension rod is fixedly connected to the end of the sliding frame, the other end of each extension rod is connected to a sliding hole in the end of the U-shaped frame in a sliding mode, the other end of each extension rod is fixedly connected to the output end of an electric cylinder, and the electric cylinder is installed at the bottom in the sliding hole and is electrically connected with a controller of the electric tricycle; a trapezoidal support frame is fixedly connected between the inner side walls of the sliding frames, the bottom of a hydraulic cylinder is rotatably connected to a cross beam in the middle of the support frame, and the output end of the hydraulic cylinder is rotatably connected to the inner bottom of the carriage body.)

1. The utility model provides an electric tricycle carriage mount, includes the carriage body (1), its characterized in that: the bottom surface of the carriage body (1) is provided with a fixing structure, the carriage body (1) is connected to a frame of the electric vehicle through the fixing structure, and the fixing structure comprises a sliding unit; the sliding unit comprises an electric cylinder (2), a U-shaped frame (3) and a sliding frame (4); the sliding frame (4) is U-shaped, the two ends of the sliding frame (4) are provided with extension rods (5), one ends of the extension rods (5) are fixedly connected to the end parts of the sliding frame (4), the other ends of the extension rods (5) are slidably connected into sliding holes (6) in the end parts of the U-shaped frame (3), the other ends of the extension rods (5) are fixedly connected to the output end of the electric cylinder (2), and the electric cylinder (2) is arranged at the bottom in the sliding holes (6) and is electrically connected with a controller of the electric tricycle;

a trapezoidal support frame is fixedly connected between the inner side walls of the sliding frames (4), a cross beam in the middle of the support frame is rotatably connected with the bottom of a hydraulic cylinder (61), and the output end of the hydraulic cylinder (61) is rotatably connected with the inner bottom surface of the carriage body (1).

2. The electro-tricycle carriage mount of claim 1, wherein: a concave part (7) is formed in the side wall of the bottom of the extension rod (5), a push rod (8) is arranged in the concave part (7), one end of the push rod (8) is rotatably connected to the inner side wall of the concave part (7), and the other end of the push rod (8) is connected into the concave part (7) through a clamping unit; the clamping unit comprises a first spring (9), a clamping rod (10) and a hook (11); a first waist-shaped hole (12) is formed in the side wall of the other end of the extension rod (5), the middle of the clamping rod (10) is connected into the first waist-shaped hole (12) through a first spring (9), the other end of the clamping rod (10) protrudes out of the hole end of the first waist-shaped hole (12), the end part of the clamping rod (10) is slidably connected to the inner wall of the sliding hole (6), an inserting rod (13) is fixedly connected to the end part of the clamping rod (10), and the arc-shaped surface of the end part of the inserting rod (13) is inserted into an inserting hole (14) formed in the other end of the ejector rod (8); the end part of the U-shaped frame (3) is fixedly connected with a hook (11), and the end surface of the hook (11) is attached to the side wall of the extension rod (5).

3. The electro-tricycle carriage mount of claim 2, wherein: an extension hole (15) is formed in the other end of the ejector rod (8), an extension rod (16) and a push rod (17) are arranged in the extension hole (15), a through groove (18) is formed in the side wall of the ejector rod (8), the through groove (18) penetrates through the extension hole (15), and a plurality of stepped hole positions (19) are uniformly formed in one side of the through groove (18); the one end of push rod (17) is equipped with fixed pin (20), and fixed pin (20) interactive connection is in leading to groove (18), and the other end of push rod (17) rotates and is connected with a face of fixed plate (21), and another face of fixed plate (21) evenly rotates and is connected with the one end of extension rod (16), and extension rod (16) sliding connection is in extending hole (15).

4. The electro-tricycle carriage mount of claim 2, wherein: the other end of each extension rod (16) is in an isosceles triangle shape, and the other ends of the adjacent extension rods (16) are attached together.

5. The electro-tricycle carriage mount of claim 1, wherein: the fixing structure further comprises an ejection unit; the ejection unit comprises driving teeth (22), driven teeth (23), a driving shaft (24), a driven shaft (25), a winding wheel (26), a pull rope (27), a rotating plate (28) and an ejection rod (29); the end part of the driving shaft (24) is rotatably connected to the end part of the sliding frame (4), the middle part of the driving shaft (24) is fixedly connected with a driving tooth (22), and the two sides of the driving tooth (22) are fixedly connected with the lower surface of the rear end of the carriage body (1); the driving teeth (22) are meshed with the driven teeth (23), the driven teeth (23) are fixedly connected to the middle of the driven shaft (25), the end part of the driven shaft (25) is rotatably connected to the end part of the sliding rack (4), two sides of the driven teeth (23) are fixedly connected with winding wheels (26), the winding wheels (26) wind one end of a pull rope (27), and the other end of the pull rope (27) is connected to one end of an ejector rod (29); one end of the ejector rod (29) is connected in an ejection hole (31) formed in the rotating plate (28) through a tension spring (30) in a sliding mode, the end of the rotating plate (28) is connected to the bottom plate surface of the carriage body (1) in a rotating mode, a rope hole (32) is formed in the rotating plate (28), a fixed wheel (33) is connected to the rope hole (32) in a rotating mode, and the other end of the pull rope (27) penetrates through the rope hole (32) and bypasses the fixed wheel (33) and is fixedly connected to one end of the ejector rod (29).

6. The electro-tricycle carriage mount of claim 5, wherein: no. two kidney-shaped holes (34) are formed in the end portion of the sliding rack (4), the end portion of the driven shaft (25) is connected to the inside of the No. two kidney-shaped holes (34) in a sliding mode, a U-shaped rod (35) is arranged at the end portion of the driven shaft (25), one end of the U-shaped rod (35) is connected to the end portion of the driven shaft (25) in a rotating mode, and the other end of the U-shaped rod (35) is inserted into a clamping hole (36) formed in the outer side of the outer end portion of the sliding rack (4).

7. The electro-tricycle carriage mount of claim 5, wherein: the bottom surface symmetry of the carriage body (1) is equipped with elastic splint (37), and the one end rigid coupling of elastic splint (37) is in the bottom plate face of the carriage body (1), and the other end of elastic splint (37) is outwards turned over and is rolled up, and the attached extrusion of the protruding arcwall face of elastic splint (37) is on rotor plate (28).

8. The electro-tricycle carriage mount of claim 5, wherein: the ejection rod (29) comprises a first wedge-shaped block (38), a second wedge-shaped block (39), a second tension spring (40) and an L-shaped rod (41); the first wedge-shaped block (38) is symmetrically and fixedly connected to the bottom plate surface of the carriage body (1); l-shaped holes (42) are symmetrically formed in the ejection rod (29), a telescopic hole (43) is formed in the side wall of the ejection rod (29), a second wedge-shaped block (39) penetrates through the telescopic hole (43) and is connected to the inner side wall of the L-shaped hole (42) through a second tension spring (40), the end part of the second wedge-shaped block (39) is fixedly connected to the L-shaped rod (41), and the inclined surface of the second wedge-shaped block (39) is attached to the inclined surface of the first wedge-shaped block (38); the L-shaped hole (42) is connected with the L-shaped rod (41) in a sliding mode, the end portion of the L-shaped rod (41) extends out of the hole end of the L-shaped hole (42), and the end portion of the L-shaped rod (41) is flush with the end portion of the ejection rod (29).

9. The electro-tricycle carriage mount of claim 8, wherein: the other end of the rotating plate (28) is fixedly connected with a limiting block (44), a limiting groove (45) is formed in the position where the rotating plate (28) is rotatably connected with the bottom plate surface of the carriage body (1), and the limiting groove (45) is matched with the limiting block (44).

10. The electro-tricycle carriage mount of claim 1, wherein: a groove is formed in the upper end face of the U-shaped frame (3), a roller (46) is arranged in the groove, and the sliding frame (4) is connected to the U-shaped frame (3) in a sliding mode through the roller (46).

Technical Field

The invention relates to the field of electric tricycles, in particular to a carriage fixing frame of an electric tricycle.

Background

With the development of science and technology in China, the battery endurance is fundamentally broken through, and a lithium battery plate with larger electric quantity and higher safety is gradually taken from a traditional square lead-acid battery; and the attention of China to the quality of ambient air is paid, more and more traditional diesel engine dump trucks are replaced by electric-driven electric tricycles, and meanwhile, more and more dump electric tricycles are provided with lithium battery plates, so that the influence on the ambient air is reduced.

According to 2019103373016, the two sides of the fixing frame body are provided with mounting grooves, the middle part is provided with a first sliding groove, and a second sliding groove is communicated between the mounting grooves and the first sliding groove; the rear end of the mounting groove and the rear end of the first sliding groove extend to the rear end penetrating through the fixing frame body; the lower part of the carriage is provided with a mounting convex strip which is accommodated in the mounting groove; the mounting convex strips are provided with mounting holes; the main control rod is arranged in the first sliding chute in a sliding manner, the front end of the main control rod is abutted against the front end of the first sliding chute, the rear end of the main control rod is provided with a fixed fin, the rear end of the first sliding chute is provided with a fin groove, and the fixed fin is accommodated in the fin groove; the tail end of the first sliding chute is screwed with the fixing cap, and the tail end of the main control rod is abutted against the fixing cap; the tail end of the main control rod is provided with a handle groove and a handle; a fixed rod is arranged in the second sliding groove in a sliding manner, one end of the fixed rod is hinged with one end of a connecting rod, and the other end of the connecting rod is hinged with the main control rod; the connecting rod is positioned above the fixing frame body; the other end of the fixed rod penetrates into the mounting hole. The invention can conveniently and quickly install and dismantle the carriage, and is more flexible.

And current self-discharging electric tricycle, when using, loading and unloading material operation function is limited, receives the restriction of the place position of unloading, has the hindrance object before the position point of unloading, and electric tricycle is difficult to cross the hindrance object, perhaps unloads the position point and has sunken puddle, in case electric tricycle's wheel is absorbed in the puddle, later stage electric tricycle is difficult to climb out.

Therefore, the invention provides a carriage fixing frame of an electric tricycle.

Disclosure of Invention

In order to solve the problems that in the prior art, when the self-discharging electro-tricycle is used, the material loading and unloading operation function is limited, the position of a discharging place is limited, an obstructing object is arranged in front of the discharging position, the electro-tricycle is difficult to cross the obstructing object, or a sunken mud pit is arranged at the discharging position, and once the wheels of the electro-tricycle are sunk into the mud pit, the electro-tricycle is difficult to climb out in the later period, the invention provides a carriage fixing frame of the electro-tricycle.

The technical scheme adopted by the invention for solving the technical problems is as follows: the carriage fixing frame of the electric tricycle comprises a carriage body, wherein a fixing structure is arranged on the bottom surface of the carriage body, the carriage body is connected to a frame of an electric vehicle through the fixing structure, and the fixing structure comprises a sliding unit; the sliding unit comprises an electric cylinder, a U-shaped frame and a sliding frame; the sliding frame is U-shaped, extension rods are arranged at two ends of the sliding frame, one end of each extension rod is fixedly connected to the end of the sliding frame, the other end of each extension rod is connected to a sliding hole in the end of the U-shaped frame in a sliding mode, the other end of each extension rod is fixedly connected to the output end of an electric cylinder, and the electric cylinder is installed at the bottom in the sliding hole and is electrically connected with a controller of the electric tricycle;

a trapezoidal support frame is fixedly connected between the inner side walls of the sliding frames, a cross beam in the middle of the support frame is rotatably connected with the bottom of a hydraulic cylinder, and the output end of the hydraulic cylinder is rotatably connected with the inner bottom surface of the carriage body; with the development of science and technology in China, the battery endurance is fundamentally broken through, and a lithium battery plate with larger electric quantity and higher safety is gradually taken from a traditional square lead-acid battery; and the attention of China on the quality of ambient air is paid, more and more traditional diesel engine dump trucks are replaced by electric-driven electric tricycles, and meanwhile, more and more dump electric tricycles are provided with lithium battery plates, so that the influence on the ambient air is reduced; when the existing self-discharging electric tricycle is used, the operation function of loading and unloading materials is limited, the operation function is limited by the position of an unloading place, an obstructing object is arranged in front of the unloading position, the electric tricycle is difficult to cross the obstructing object, or a sunken mud pit is arranged at the unloading position, once the wheels of the electric tricycle are sunken into the mud pit, the electric tricycle is difficult to climb out in the later period, aiming at the problems, the carriage fixing frame of the electric tricycle is designed, the carriage body can move to the unloading position through the carriage fixing frame, and the unloading opening of the carriage body is arranged at the unloading position; the method comprises the following steps that firstly, electric cylinders are driven, two electric cylinders push extension rods, the extension rods drive a sliding frame to move on a U-shaped frame, the sliding frame drives a carriage body to move towards a discharging position point, when a discharging opening to be moved is arranged above the discharging position point, a hydraulic cylinder is driven to slowly jack up the carriage body, materials in the carriage body are gradually dumped to the discharging position point, after discharging is finished, the hydraulic cylinder drives the carriage body to reset, and the electric cylinders pull the extension rods back to an initial position; above-mentioned process realizes the retrodisplacement of the carriage body, has solved the problem that is difficult to cross the hindrance object when electric tricycle unloads, perhaps is absorbed in the mud pit for the discharge opening of the carriage body removes to the discharge point, guarantees that the material successfully unloads to formulating the position point, and it is convenient to unload the operation for operating personnel simultaneously and bring, neither need clear away subaerial hindrance object, also need not the sealed of landfill mud pit again in addition, saves the time of unloading, raises the efficiency.

Preferably, a concave part is formed in the side wall of the bottom of the extension rod, a push rod is arranged in the concave part, one end of the push rod is rotatably connected to the inner side wall of the concave part, and the other end of the push rod is connected into the concave part through a clamping unit; the clamping unit comprises a first spring, a clamping rod and a hook; the side wall of the other end of the extension rod is provided with a first waist-shaped hole, the middle part of the clamping rod is connected in the first waist-shaped hole through a first spring, the other end of the clamping rod protrudes out of the hole end of the first waist-shaped hole, the end part of the clamping rod is connected to the inner wall of the sliding hole in a sliding mode, the end part of the clamping rod is fixedly connected with an inserting rod, and the arc-shaped surface of the end part of the inserting rod is inserted into the inserting hole formed in the other end of the ejector rod; the end part of the U-shaped frame is fixedly connected with a hook, and the end surface of the hook is attached to the side wall of the extension rod; the extension rod is at the in-process that stretches out the slide opening gradually, the concave part position of extension rod breaks away from the slide opening at first, then the hook catches on the block pole, the block pole drives the inserted bar and breaks away from the jack and extrude a spring, the ejector pin is under self gravity simultaneously, rotate around its rotation tie point, the other end top of ejector pin is subaerial, when the carriage upset rises and unloads, the focus of material is concentrated in electric tricycle's rear end, the danger that electric tricycle turned over after probably appearing this moment, and through the ejector pin, the ejector pin top is subaerial, limit the distance between electric tricycle and the ground, prevent the emergence of electric tricycle turn over accident after, avoid the emergence of the danger of unloading, guarantee site operation personnel's safety.

Preferably, the other end of the ejector rod is provided with an extension hole, an extension rod and a push rod are arranged in the extension hole, the side wall of the ejector rod is provided with a through groove, the through groove penetrates through the extension hole, and one side of the through groove is uniformly provided with a plurality of stepped hole positions; one end of the push rod is provided with a fixed pin, the fixed pin is interactively connected in the through groove, the other end of the push rod is rotatably connected with one plate surface of the fixed plate, the other plate surface of the fixed plate is uniformly and rotatably connected with one end of an extension rod, and the extension rod is slidably connected in the extension hole; if a pit is formed in the ground between the unloading position and the electric tricycle, the other end of the ejector rod cannot contact the ground, and the length of the ejector rod can be prolonged through the extension rod; at first, the ladder hole site is scratched out with the fixed pin, then promotes the push rod, and the push rod releases the extension hole with the extension rod, and the other end of extension rod is contradicted subaerial, then rotates the fixed pin to in the ladder hole site of this time co-altitude, realizes the extension of ejector pin, guarantees that the ejector pin restricts the distance between electric tricycle and the ground, prevents the emergence of electric tricycle backward turning accident, avoids the emergence of the danger of unloading, guarantees field operation personnel's safety.

Preferably, the other ends of the extension rods are in an isosceles triangle shape, and the other ends of the adjacent extension rods are attached together; the other end of extension rod is isosceles triangle shape, and at the limited condition of extension hole aperture end area, make full use of extends hole aperture end area for the great setting of other end area of extension rod, the other end and the ground contact surface of increase extension rod reduce the extension rod other end and cave in the degree of depth on ground, the length extension of assurance ejector pin.

Preferably, the fixing structure further comprises an ejection unit; the ejection unit comprises driving teeth, driven teeth, a driving shaft, a driven shaft, a winding wheel, a pull rope, a rotating plate and an ejection rod; the end part of the driving shaft is rotatably connected to the end part of the sliding frame, the middle part of the driving shaft is fixedly connected with a driving tooth, and the two sides of the driving tooth are fixedly connected with the lower surface of the rear end of the carriage body; the driving teeth are meshed with the driven teeth which are fixedly connected to the middle of the driven shaft, the end part of the driven shaft is rotatably connected to the end part of the sliding rack, two sides of the driven teeth are fixedly connected with winding wheels, the winding wheels wind one end of a pull rope, and the other end of the pull rope is connected to one end of the ejector rod; one end of the ejector rod is slidably connected in an ejector hole formed in the rotating plate through a tension spring, the end part of the rotating plate is rotatably connected to the bottom plate surface of the carriage body, a rope hole is formed in the rotating plate, a fixed wheel is rotatably connected in the rope hole, and the other end of the pull rope penetrates through the rope hole, bypasses the fixed wheel and is fixedly connected to one end of the ejector rod; in the overturning and unloading process of the carriage body, the carriage body drives the driving tooth to rotate through the driving rod, the driving tooth rubs the driven tooth to rotate, meanwhile, the driven tooth drives the winding wheel to wind the pull rope through the driven rod, the pull rope pulls the ejector rod, the ejector rod gradually extends out of the ejector hole, the other end of the ejector rod is ejected to the ground, the electric tricycle is ejected, the rear wheel is in a suspended state, at the moment, a field operator fills up crushed stone and soil below the rear wheel, a pit below the rear wheel of the tricycle is filled, and after unloading is finished, the rear wheel does not sink into the pit, so that the electric tricycle can be conveniently separated from the pit; when the carriage body resets, the stay cord loosens gradually, and a tension spring pulls the ejector rod to reset simultaneously, reduces the possibility that the ground object is to the ejector unit.

Preferably, a second waist-shaped hole is formed in the end part of the sliding rack, the end part of the driven shaft is connected to the second waist-shaped hole in a sliding mode, a U-shaped rod is arranged at the end part of the end of the driven shaft, one end of the U-shaped rod is connected to the end part of the driven shaft in a rotating mode, and the other end of the U-shaped rod is inserted into a clamping hole formed in the outer side of the outer end part of the sliding rack; when the electric tricycle smoothly moves to a discharging position, namely the discharging position is flat in ground and free of obstacles, the carriage body does not need to be adjusted to move backwards, the ejector rod does not need to extend out, if the ejector rod extends out, the rear end of the electric tricycle tilts, the inclination angle of the carriage body is influenced to be reduced, and the material is influenced to slide away from the carriage body automatically; pulling the U-shaped rod, inserting the other end of the U-shaped rod into a clamping hole in front of the electric tricycle, pulling the driven rod by the U-shaped rod, moving the driven rod to the front end of the electric tricycle, enabling the driven teeth on the driven rod to fall off the driving teeth, enabling the driven teeth to be in a standing state when the carriage body rises and rolls up, namely enabling the ejection unit to be in an out-of-operation state, and ensuring the inclined discharging angle of the carriage body.

Preferably, the bottom surface of the carriage body is symmetrically provided with elastic clamping plates, one ends of the elastic clamping plates are fixedly connected to the bottom plate surface of the carriage body, the other ends of the elastic clamping plates are outwards rolled, and the protruding arc surfaces of the elastic clamping plates are attached and extruded on the rotating plates; after the operation of unloading, the carriage body resets, then rotates the rotor plate, with rotor plate to carriage body bottom surface butt joint, then between two elastic splint of rotor plate embedding for the bottom surface of the carriage body is arranged in to the rotor plate level, prevents that electric tricycle when removing, and the barrier on the road surface collides with the rotor plate, causes the emergence of ejecting unit damage phenomenon, and when the carriage body rises to turn over the book, the rotor plate breaks away from two elastic splint by oneself, and the rotor plate relies on proper motion gravity to rotate downwards and arranges subaerially in.

Preferably, the ejection rod comprises a first wedge-shaped block, a second tension spring and an L-shaped rod; the first wedge-shaped blocks are symmetrically and fixedly connected to the bottom plate surface of the carriage body; the ejection rod is internally symmetrically provided with L-shaped holes, the side wall of the ejection rod is provided with a telescopic hole, a second wedge block penetrates through the telescopic hole and is connected to the inner side wall of the L-shaped hole through a second tension spring, the end part of the second wedge block is fixedly connected to the L-shaped rod, and the inclined surface of the second wedge block is attached to the inclined surface of the first wedge block; the L-shaped hole is connected with an L-shaped rod in a sliding mode, the end part of the L-shaped rod extends out of the hole end of the L-shaped hole, and the end part of the L-shaped rod is flush with the end part of the ejection rod; in the process that the rotating plate is embedded between the two elastic clamping plates, the inclined surface of the second wedge-shaped block is attached to and extruded with the inclined surface of the first wedge-shaped block, and the L-shaped rod is extruded and retracted into the L-shaped hole by the second wedge-shaped block, so that the end part of the L-shaped rod is prevented from abutting against the sliding frame; after the rotating plate falls off the elastic clamping plate, under the action of the tension of the second tension spring, the second wedge block extends out of the telescopic hole, meanwhile, the end part of the L-shaped rod extends out of the L-shaped hole, the contact surface of the end part of the ejector rod and the ground is increased, the depth of the ejector rod on the sunken ground is reduced, and the lifting height of the wheel in the pit is guaranteed.

Preferably, the other end of the rotating plate is fixedly connected with a limiting block, a limiting groove is formed in the position where the rotating plate is rotatably connected with the bottom plate surface of the carriage body, and the limiting groove is matched with the limiting block; the rotor plate relies on self gravity to rotate to vertical state, and the stopper is attached the extrusion with the inside wall of spacing groove simultaneously, prevents that the rotor plate turned angle from being greater than 90 degrees backs, and the rotor plate loses its effect of pushing up the automobile body on.

The invention has the advantages that:

1. the invention realizes the backward movement of the carriage body through the fixing structure, solves the problem that the electric tricycle is difficult to cross an obstructing object or sink into a mud pit when unloading, enables the discharge opening of the carriage body to move to a discharge point, ensures that materials are successfully discharged to a set position point, brings convenience to the operator for discharging operation, does not need to clear the obstructing object on the ground, does not need to fill the sealing of the mud pit, saves the discharging time and improves the efficiency.

2. According to the invention, through the ejection unit, in the overturning and unloading process of the carriage body, the carriage body drives the driving tooth to rotate through the driving rod, the driving tooth rubs the driven tooth to rotate, meanwhile, the driven tooth drives the winding wheel to wind the pull rope through the driven rod, the pull rope pulls the ejection rod, the ejection rod gradually extends out of the ejection hole, the other end of the ejection rod is ejected to the ground, the electric tricycle is ejected, the rear wheel is in a suspended state, at the moment, a field operator fills the pit below the rear wheel with crushed stone, namely soil, the pit is filled, and after the unloading is finished, the rear wheel is not sunk into the pit, so that the electric tricycle is conveniently separated from the pit.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a second perspective view of the present invention;

FIG. 4 is a cross-sectional view of the present invention;

FIG. 5 is an enlarged partial view taken at B in FIG. 4;

FIG. 6 is an enlarged partial view at C of FIG. 4;

FIG. 7 is a cross-sectional view of a rotating plate according to the present invention;

FIG. 8 is a side view of the present invention;

FIG. 9 is an end view of the carrier rod of the present invention;

FIG. 10 is a view of the rollers and skid of the present invention in combination;

in the figure: the automobile compartment comprises a compartment body 1, an electric cylinder 2, a U-shaped frame 3, a sliding frame 4, an extension rod 5, a sliding hole 6, a concave portion 7, a push rod 8, a first spring 9, a clamping rod 10, a hook 11, a first waist-shaped hole 12, an insertion rod 13, an insertion hole 14, an extension hole 15, an extension rod 16, a push rod 17, a through groove 18, a stepped hole 19, a fixing pin 20, a fixing plate 21, a driving tooth 22, a driven tooth 23, a driving shaft 24, a driven shaft 25, a winding wheel 26, a pull rope 27, a rotating plate 28, an ejection rod 29, a first tension spring 30, an ejection hole 31, a rope hole 32, a fixing wheel 33, a second waist-shaped hole 34, a U-shaped rod 35, a clamping hole 36, an elastic clamping plate 37, a first wedge-shaped block 38, a second wedge-shaped block 39, a second tension spring 40, an L-shaped rod 41, an L-shaped hole 42, a telescopic hole 43, a limiting block 44, a limiting groove 45 and a roller 46.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1-9, the carriage fixing frame for the electric tricycle comprises a carriage body 1, wherein a fixing structure is arranged on the bottom surface of the carriage body 1, the carriage body 1 is connected to a frame of the electric tricycle through the fixing structure, and the fixing structure comprises a sliding unit; the sliding unit comprises an electric cylinder 2, a U-shaped frame 3 and a sliding frame 4; the sliding frame 4 is U-shaped, the two ends of the sliding frame 4 are provided with extension rods 5, one ends of the extension rods 5 are fixedly connected with the end parts of the sliding frame 4, the other ends of the extension rods 5 are slidably connected in sliding holes 6 in the end parts of the U-shaped frame 3, the other ends of the extension rods 5 are fixedly connected with the output end of the electric cylinder 2, and the electric cylinder 2 is arranged at the bottom in the sliding holes 6 and is electrically connected with a controller of the electric tricycle;

a trapezoidal support frame is fixedly connected between the inner side walls of the sliding frames 4, the bottom of a hydraulic cylinder 61 is rotatably connected to a cross beam in the middle of the support frame, and the output end of the hydraulic cylinder 61 is rotatably connected to the inner bottom surface of the carriage body 1; with the development of science and technology in China, the battery endurance is fundamentally broken through, and a lithium battery plate with larger electric quantity and higher safety is gradually taken from a traditional square lead-acid battery; and the attention of China on the quality of ambient air is paid, more and more traditional diesel engine dump trucks are replaced by electric-driven electric tricycles, and meanwhile, more and more dump electric tricycles are provided with lithium battery plates, so that the influence on the ambient air is reduced; when the existing self-discharging electric tricycle is used, the operation function of loading and unloading materials is limited, the operation function is limited by the position of an unloading place, an obstructing object is arranged in front of the unloading position, the electric tricycle is difficult to cross the obstructing object, or a sunken mud pit is arranged at the unloading position, once the wheels of the electric tricycle are sunken into the mud pit, the electric tricycle is difficult to climb out in the later period, aiming at the problems, the carriage fixing frame of the electric tricycle is designed, the carriage body 1 can move to the unloading position through the carriage fixing frame, and the unloading opening of the carriage body 1 is arranged at the unloading position; firstly, driving the electric cylinders 2, enabling the two electric cylinders 2 to push the extension rod 5, enabling the extension rod 5 to drive the sliding frame 4 to move on the U-shaped frame 3, meanwhile, enabling the sliding frame 4 to drive the carriage body 1 to move towards an unloading position point, driving the hydraulic cylinder 61 when a discharging opening to be moved is arranged above the unloading position point, enabling the hydraulic cylinder 61 to slowly jack up the carriage body 1, gradually dumping materials in the carriage body 1 to the unloading position point, enabling the hydraulic cylinder 61 to drive the carriage body 1 to reset after unloading is finished, and enabling the electric cylinders 2 to pull the extension rod 5 back to an initial position; above-mentioned process realizes the retrodisplacement of the carriage body 1, has solved the problem that electric tricycle is difficult to cross the hindrance object when unloading, perhaps is absorbed in the mud pit for the discharge opening of the carriage body 1 removes to the discharge point, guarantees that the material successfully unloads to formulating the position point, and it is convenient to unload the operation for operating personnel simultaneously and bring, neither need clear away subaerial hindrance object, also need not the sealed of landfill mud pit again in addition, saves the time of unloading, raises the efficiency.

A concave part 7 is formed in the side wall of the bottom of the extension rod 5, a push rod 8 is arranged in the concave part 7, one end of the push rod 8 is rotatably connected to the inner side wall of the concave part 7, and the other end of the push rod 8 is connected into the concave part 7 through a clamping unit; the clamping unit comprises a first spring 9, a clamping rod 10 and a hook 11; a first waist-shaped hole 12 is formed in the side wall of the other end of the extension rod 5, the middle of the clamping rod 10 is connected into the first waist-shaped hole 12 through a first spring 9, the other end of the clamping rod 10 protrudes out of the hole end of the first waist-shaped hole 12, the end part of the clamping rod 10 is connected to the inner wall of the sliding hole 6 in a sliding mode, an inserting rod 13 is fixedly connected to the end part of the clamping rod 10, and the arc-shaped face of the end part of the inserting rod 13 is inserted into an inserting hole 14 formed in the other end of the ejector rod 8; the end part of the U-shaped frame 3 is fixedly connected with a hook 11, and the end surface of the hook 11 is attached to the side wall of the extension rod 5; extension rod 5 is in the in-process that stretches out slide opening 6 gradually, the concave part 7 position of extension rod 5 breaks away from slide opening 6 at first, then hook 11 catches on block pole 10, block pole 10 drives inserted bar 13 and breaks away from jack 14 and extrudes spring 9 No. one, ejector pin 8 is under self gravity simultaneously, rotate around its rotation tie point, the other end top of ejector pin 8 is subaerial, when the carriage upset rises and unloads, the focus of material is concentrated in the rear end of electric tricycle, the danger that electric tricycle turned over backward can appear this moment, and through ejector pin 8, ejector pin 8 top is subaerial, limit the distance between electric tricycle and the ground, prevent the emergence of electric tricycle turned over accident backward, avoid the emergence of the danger of unloading, guarantee field operation personnel's safety.

An extension hole 15 is formed in the other end of the ejector rod 8, an extension rod 16 and a push rod 17 are arranged in the extension hole 15, a through groove 18 is formed in the side wall of the ejector rod 8, the through groove 18 penetrates through the extension hole 15, and a plurality of stepped hole positions 19 are uniformly formed in one side of the through groove 18; one end of the push rod 17 is provided with a fixing pin 20, the fixing pin 20 is interactively connected in the through groove 18, the other end of the push rod 17 is rotatably connected with one plate surface of a fixing plate 21, the other plate surface of the fixing plate 21 is uniformly and rotatably connected with one end of an extension rod 16, and the extension rod 16 is slidably connected in the extension hole 15; if a pit is formed on the ground between the unloading position and the electric tricycle, the other end of the ejector rod 8 cannot contact the ground, and the length of the ejector rod 8 can be prolonged through the extension rod 16; at first, dig out ladder hole site 19 with fixed pin 20, then promote push rod 17, push rod 17 releases extension rod 16 and extends hole 15, and extension rod 16's the other end is contradicted subaerial, then rotates fixed pin 20 in the ladder hole site 19 of this same height to this moment, realizes the extension of ejector pin 8, guarantees that ejector pin 8 restricts the distance between electric tricycle and the ground, prevents the emergence of electric tricycle backward turning accident, avoids the emergence of the danger of unloading, guarantees site operation personnel's safety.

The other ends of the extension rods 16 are in an isosceles triangle shape, and the other ends of the adjacent extension rods 16 are attached together; extension rod 16's the other end is isosceles triangle shape, and at the limited condition in 15 hole end areas in extension hole, make full use of extends 15 hole end areas for extension rod 16's the great setting of other end area, increase extension rod 16's the other end and ground contact surface reduce the extension rod 16 other end and cave in the degree of depth on ground, guarantee that ejector pin 8's length extends.

The fixing structure further comprises an ejection unit; the ejection unit comprises driving teeth 22, driven teeth 23, a driving shaft 24, a driven shaft 25, a winding wheel 26, a pull rope 27, a rotating plate 28 and an ejection rod 29; the end part of the driving shaft 24 is rotatably connected to the end part of the sliding frame 4, the middle part of the driving shaft 24 is fixedly connected with a driving tooth 22, and the two sides of the driving tooth 22 are fixedly connected with the lower surface of the rear end of the carriage body 1; the driving teeth 22 are meshed with the driven teeth 23, the driven teeth 23 are fixedly connected to the middle of the driven shaft 25, the end part of the driven shaft 25 is rotatably connected to the end part of the sliding rack 4, two sides of the driven teeth 23 are fixedly connected with winding wheels 26, the winding wheels 26 wind one end of a pull rope 27, and the other end of the pull rope 27 is connected to one end of an ejector rod 29; one end of the ejector rod 29 is slidably connected into an ejector hole 31 formed in the rotating plate 28 through a tension spring 30, the end of the rotating plate 28 is rotatably connected to the bottom plate surface of the carriage body 1, a rope hole 32 is formed in the rotating plate 28, a fixed wheel 33 is rotatably connected in the rope hole 32, and the other end of the pull rope 27 penetrates through the rope hole 32 to bypass the fixed wheel 33 and is fixedly connected to one end of the ejector rod 29; in the process of overturning and unloading the carriage body 1, the carriage body 1 drives the driving tooth 22 to rotate through the driving rod, the driving tooth 22 rubs the driven tooth 23 to rotate, meanwhile, the driven tooth 23 drives the winding wheel 26 to wind the pull rope 27 through the driven rod, the pull rope 27 pulls the ejector rod 29, the ejector rod 29 gradually extends out of the ejector hole, the other end of the ejector rod 29 is propped against the ground, the electric tricycle is jacked up, the rear wheel is in a suspended state, at the moment, a field operator fills up a pit below the rear wheel of the tricycle by burying crushed stone, namely soil, below the rear wheel, and the rear wheel does not sink into the pit after unloading is finished, so that the electric tricycle can be conveniently separated from the pit; when the carriage body 1 is reset, the pull rope 27 is gradually loosened, and the first tension spring 30 pulls the ejecting rod 29 to reset, so that the possibility of the ground object to the ejecting unit is reduced.

A second waist-shaped hole 34 is formed in the end part of the sliding rack 4, the end part of the driven shaft 25 is connected into the second waist-shaped hole 34 in a sliding mode, a U-shaped rod 35 is arranged at the end part of the end of the driven shaft 25, one end of the U-shaped rod 35 is connected to the end part of the driven shaft 25 in a rotating mode, and the other end of the U-shaped rod 35 is inserted into a clamping hole 36 formed in the outer side of the outer end part of the sliding rack; when the electric tricycle smoothly moves to a discharging position, namely the discharging position is flat in ground and free of obstacles, the carriage body 1 does not need to be adjusted to move backwards, the ejector rod 29 does not need to extend out, if the ejector rod 29 extends out, the rear end of the electric tricycle tilts, the inclination angle of the carriage body 1 is influenced to be reduced, and the materials slide away from the carriage body 1 by self; the U-shaped rod 35 is pulled, the other end of the U-shaped rod 35 is inserted into a clamping hole 36 in front of the electric tricycle, meanwhile, the driven rod moves towards the front end of the electric tricycle when being pulled down by the U-shaped rod 35, the driven teeth 23 on the driven rod fall off the driving teeth 22, at the moment, when the compartment body 1 rises and rolls over, the driven teeth 23 are in a standing state, namely, the ejection unit is in an out-of-operation state, and the inclined discharging angle of the compartment body 1 is guaranteed.

The bottom surface of the carriage body 1 is symmetrically provided with elastic clamping plates 37, one ends of the elastic clamping plates 37 are fixedly connected to the bottom plate surface of the carriage body 1, the other ends of the elastic clamping plates 37 are turned outwards, and the protruding arc surfaces of the elastic clamping plates 37 are attached and extruded on the rotating plate 28; after the unloading operation is finished, the carriage body 1 resets, then the rotating plate 28 is rotated, the rotating plate 28 is abutted to the bottom surface of the carriage body 1, then the rotating plate 28 is embedded between the two elastic clamping plates 37, the rotating plate 28 is horizontally arranged on the bottom surface of the carriage body 1, the situation that when the electric tricycle moves, obstacles on the road surface collide with the rotating plate 28 to cause the occurrence of the damage phenomenon of the ejection unit is avoided, and when the carriage body 1 rises and is rolled, the rotating plate 28 automatically separates from the two elastic clamping plates 37, and the rotating plate 28 rotates downwards by means of the gravity of the person itself and is arranged on the ground.

The ejection rod 29 comprises a first wedge-shaped block 38, a second wedge-shaped block 39, a second tension spring 40 and an L-shaped rod 41; the first wedge-shaped block 38 is symmetrically and fixedly connected to the bottom plate surface of the carriage body 1; the inside of the ejector rod 29 is symmetrically provided with L-shaped holes 42, the side wall of the ejector rod 29 is provided with telescopic holes 43, a second wedge-shaped block 39 penetrates through the telescopic holes 43 and is connected to the inner side wall of the L-shaped holes 42 through a second tension spring 40, the end part of the second wedge-shaped block 39 is fixedly connected to the L-shaped rod 41, and the inclined surface of the second wedge-shaped block 39 is attached to the inclined surface of the first wedge-shaped block 38; the L-shaped hole 42 is in sliding connection with an L-shaped rod 41, the end part of the L-shaped rod 41 extends out of the hole end of the L-shaped hole 42, and the end part of the L-shaped rod 41 is flush with the end part of the ejector rod 29; in the process that the rotating plate 28 is embedded between the two elastic clamping plates 37, the inclined surface of the second wedge-shaped block 39 and the inclined surface of the first wedge-shaped block 38 are attached and extruded, the second wedge-shaped block 39 extrudes and retracts the L-shaped rod 41 into the L-shaped hole 42, and the end part of the L-shaped rod 41 is prevented from abutting against the sliding rack 4; after the rotating plate 28 falls off the elastic clamping plate 37, under the action of the tension of the second tension spring 40, the second wedge block 39 extends out of the telescopic hole 43, meanwhile, the end part of the L-shaped rod 41 extends out of the L-shaped hole 42, the contact surface between the end part of the ejection rod 29 and the ground is increased, the depth of the ejection rod 29 sinking into the ground is reduced, and the lifting height of the wheel from the pit is guaranteed.

The other end of the rotating plate 28 is fixedly connected with a limiting block 44, a limiting groove 45 is formed in the position where the rotating plate 28 is rotatably connected with the bottom plate surface of the carriage body 1, and the limiting groove 45 is matched with the limiting block 44; the rotating plate 28 rotates to a vertical state by means of self gravity, and meanwhile, the limiting block 44 and the inner side wall of the limiting groove 45 are attached and extruded, so that the rotating plate 28 is prevented from losing the effect of pushing the vehicle body upwards after the rotating angle of the rotating plate 28 is larger than 90 degrees

Example two:

referring to fig. 10, a first comparative example is another embodiment of the present invention, wherein a groove is formed on the upper end surface of the U-shaped frame 3, a roller 46 is disposed in the groove, and the skid 4 is slidably connected to the U-shaped frame 3 through the roller 46; the sliding frame 4 is connected on the U-shaped frame 3 in a sliding mode through the roller 46, friction between the sliding frame 4 and the U-shaped frame 3 is reduced, the sliding frame 4 is guaranteed to move on the U-shaped frame 3 smoothly, power of the electric cylinder 2 during operation is reduced, and the service life of the electric cylinder 2 is prolonged.

The working principle is as follows: firstly, driving the electric cylinders 2, enabling the two electric cylinders 2 to push the extension rod 5, enabling the extension rod 5 to drive the sliding frame 4 to move on the U-shaped frame 3, meanwhile, enabling the sliding frame 4 to drive the carriage body 1 to move towards an unloading position point, driving the hydraulic cylinder 61 when a discharging opening to be moved is arranged above the unloading position point, enabling the hydraulic cylinder 61 to slowly jack up the carriage body 1, gradually dumping materials in the carriage body 1 to the unloading position point, enabling the hydraulic cylinder 61 to drive the carriage body 1 to reset after unloading is finished, and enabling the electric cylinders 2 to pull the extension rod 5 back to an initial position; in the process that the extension rod 5 gradually extends out of the sliding hole 6, the concave part 7 of the extension rod 5 is firstly separated from the sliding hole 6, then the hook 11 hooks the clamping rod 10, the clamping rod 10 drives the insertion rod 13 to be separated from the insertion hole 14 and extrude the first spring 9, meanwhile, the ejector rod 8 rotates around a rotating connection point under the self gravity, the other end of the ejector rod 8 is propped against the ground, when a carriage overturns, the gravity center of materials is concentrated at the rear end of the electric tricycle, at the moment, the danger of backward overturning of the electric tricycle possibly occurs, and through the ejector rod 8, the ejector rod 8 is propped against the ground, the distance between the electric tricycle and the ground is limited, the occurrence of backward overturning accidents of the electric tricycle is prevented, the danger of unloading is avoided, and the safety of field operators is ensured; if a pit is formed on the ground between the unloading position and the electric tricycle, the other end of the ejector rod 8 cannot contact the ground, and the length of the ejector rod 8 can be prolonged through the extension rod 16; firstly, the fixing pin 20 is pulled out of the stepped hole position 19, then the push rod 17 is pushed, the push rod 17 pushes the extension rod 16 out of the extension hole 15, the other end of the extension rod 16 is abutted to the ground, then the fixing pin 20 is rotated into the stepped hole position 19 with the same height at the same time, so that the extension of the ejector rod 8 is realized, the distance between the electric tricycle and the ground is limited by the ejector rod 8, the backward overturning accident of the electric tricycle is prevented, the discharging danger is avoided, and the safety of field operators is ensured; the other end of the extension rod 16 is in an isosceles triangle shape, and under the condition that the area of the end of the 15 holes of the extension rod is limited, the area of the end of the 15 holes of the extension rod is fully utilized, so that the area of the other end of the extension rod 16 is arranged in a larger mode, the contact surface of the other end of the extension rod 16 and the ground is increased, the depth of the other end of the extension rod 16 sinking to the ground is reduced, and the length extension of the ejector rod 8 is ensured; in the process of overturning and unloading the carriage body 1, the carriage body 1 drives the driving tooth 22 to rotate through the driving rod, the driving tooth 22 rubs the driven tooth 23 to rotate, meanwhile, the driven tooth 23 drives the winding wheel 26 to wind the pull rope 27 through the driven rod, the pull rope 27 pulls the ejector rod 29, the ejector rod 29 gradually extends out of the ejector hole, the other end of the ejector rod 29 is propped against the ground, the electric tricycle is jacked up, the rear wheel is in a suspended state, at the moment, a field operator fills up a pit below the rear wheel of the tricycle by burying crushed stone, namely soil, below the rear wheel, and the rear wheel does not sink into the pit after unloading is finished, so that the electric tricycle can be conveniently separated from the pit; when the carriage body 1 is reset, the pull rope 27 is gradually loosened, and the first tension spring 30 pulls the ejector rod 29 to reset, so that the possibility of a ground object to the ejector unit is reduced; when the electric tricycle smoothly moves to a discharging position, namely the discharging position is flat in ground and free of obstacles, the carriage body 1 does not need to be adjusted to move backwards, the ejector rod 29 does not need to extend out, if the ejector rod 29 extends out, the rear end of the electric tricycle tilts, the inclination angle of the carriage body 1 is influenced to be reduced, and the materials slide away from the carriage body 1 by self; pulling the U-shaped rod 35, inserting the other end of the U-shaped rod 35 into a clamping hole 36 in front of the electric tricycle, pulling the driven rod by the U-shaped rod 35, moving the driven rod to the front end of the electric tricycle, and enabling the driven teeth 23 on the driven rod to fall off the driving teeth 22, wherein at the moment, when the compartment body 1 rises and rolls up, the driven teeth 23 are in a standing state, namely, the ejection unit is in an inoperative state, so that the inclined discharging angle of the compartment body 1 is ensured; after the unloading operation is finished, the carriage body 1 is reset, then the rotating plate 28 is rotated, the rotating plate 28 is abutted to the bottom surface of the carriage body 1, then the rotating plate 28 is embedded between the two elastic clamping plates 37, so that the rotating plate 28 is horizontally arranged on the bottom surface of the carriage body 1, the situation that when the electric tricycle moves, obstacles on the road surface collide with the rotating plate 28 to cause the damage phenomenon of the ejection unit is prevented, and when the carriage body 1 rises and is rolled, the rotating plate 28 automatically separates from the two elastic clamping plates 37, and the rotating plate 28 rotates downwards by the gravity of the electric tricycle and is arranged on the ground; in the process that the rotating plate 28 is embedded between the two elastic clamping plates 37, the inclined surface of the second wedge-shaped block 39 and the inclined surface of the first wedge-shaped block 38 are attached and extruded, the second wedge-shaped block 39 extrudes and retracts the L-shaped rod 41 into the L-shaped hole 42, and the end part of the L-shaped rod 41 is prevented from abutting against the sliding rack 4; after the rotating plate 28 falls off the elastic clamping plate 37, under the action of the tension of the second tension spring 40, the second wedge-shaped block 39 extends out of the telescopic hole 43, meanwhile, the end part of the L-shaped rod 41 extends out of the L-shaped hole 42, the contact surface of the end part of the ejection rod 29 and the ground is increased, the depth of the ejection rod 29 sinking into the ground is reduced, and the lifting height of the wheel from the pit is ensured; the rotating plate 28 rotates to a vertical state by means of self gravity, and meanwhile, the limiting block 44 and the inner side wall of the limiting groove 45 are attached and extruded, so that the rotating plate 28 is prevented from losing the effect of pushing the vehicle body upwards after the rotating angle of the rotating plate 28 is larger than 90 degrees.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.