阅读说明：本技术 一种便于卸载的独立转向伸缩式半挂车 (Independently turn to telescopic semitrailer convenient to uninstallation ) 是由 易木鑫 叶鸿江 于 2020-12-17 设计创作，主要内容包括：本发明公开了一种便于卸载的独立转向伸缩式半挂车,包括半挂车车板本体,所述半挂车车板本体为沿横向的U型结构且倒置设置,所述半挂车车板本体底面中部固定有安装座。有益效果在于：本发明通过延伸板在半挂车车板本体的两端伸缩的方式能够增大或减小整个车身的长度,便于扩充增大运输量,同时便于在空车时减少车身长度以方便转向；将卸载组件分别通过固定套筒和支杆竖向滑动配合和限位杆与限位孔水平滑动配合的方式可拆卸的固定在半挂车车板本体的前部和后部,以此在卸载物料时通过延伸板收缩的方式配合推板将物料从延伸板两侧推下,实现了对物料的辅助卸载,便于提升物料的卸载效率,减轻了工人的工作强度且丰富了装置的使用范围。(The invention discloses an independent steering telescopic semitrailer convenient to unload, which comprises a semitrailer plate body, wherein the semitrailer plate body is of a transverse U-shaped structure and is arranged in an inverted manner, and a mounting seat is fixed in the middle of the bottom surface of the semitrailer plate body. Has the advantages that: the length of the whole vehicle body can be increased or reduced by the extension plates extending and retracting at the two ends of the semitrailer vehicle plate body, so that the transportation volume can be conveniently increased and increased, and the length of the vehicle body can be conveniently reduced during empty vehicle to facilitate steering; the unloading assembly is detachably fixed at the front part and the rear part of the semitrailer plate body respectively through the fixing sleeve and the vertical sliding fit of the supporting rod and the horizontal sliding fit mode of the limiting rod and the limiting hole, so that the materials are pushed down from the two sides of the extension plate through the mode matched push plate which is contracted by the extension plate when the materials are unloaded, the auxiliary unloading of the materials is realized, the unloading efficiency of the materials is convenient to improve, the working strength of workers is reduced, and the application range of the device is widened.)

1. The utility model provides an independently turn to telescopic semitrailer convenient to uninstallation, includes semitrailer plate body (4), its characterized in that: the semitrailer wagon plate body (4) is of a transverse U-shaped structure and is arranged in an inverted manner, an installation seat (402) is fixed in the middle of the bottom surface of the semitrailer wagon plate body (4), hydraulic cylinder bodies (8) are transversely fixed on two sides of the installation seat (402) and are symmetrically arranged, extension plates (1) are horizontally fixed at the outer ends of hydraulic push rods (801) of the hydraulic cylinder bodies (8), and the extension plates (1) are in transverse sliding fit with the inner outline of the semitrailer wagon plate body (4);

the semi-trailer plate is characterized in that fixing sleeves (7) are vertically fixed on two sides of the top surface of the semi-trailer plate body (4), a plurality of mounting holes (701) are radially formed in the middle of each fixing sleeve (7), each mounting hole (701) is coaxially matched with a locking assembly (9), unloading assemblies (6) are coaxially fixed on the fixing sleeves (7), and the unloading assemblies (6) are symmetrically distributed and are suspended close to each other above the extension plate (1).

2. The independent steering telescopic semitrailer convenient for unloading according to claim 1, characterized in that: the bottom end face of the semitrailer plate body (4) is horizontally fixed with a supporting plate (401), a plurality of convex blocks (101) are uniformly fixed on the front side and the rear side of the bottom face of the extension plate (1), and the convex blocks (101) are in contact with the supporting plate (401).

3. The independent steering telescopic semitrailer convenient for unloading according to claim 2, characterized in that: the bumps (101) are of a hemispherical structure, and the contact surfaces of the bumps (101) and the supporting plate (401) are polished.

4. The independent steering telescopic semitrailer convenient for unloading according to claim 3, characterized in that: the bottom end face of the supporting plate (401) is fixedly provided with a plurality of groups of wheel carriers (5), each group of wheel carriers (5) is rotatably connected with wheels (501) through a support shaft (503) along the longitudinal direction, and the middle position of the support shaft (503) is connected with a steering assembly (502) used for controlling the steering of the wheels (501).

5. The independent steering telescopic semitrailer convenient for unloading according to claim 4, characterized in that: and a traction ring body (2) used for connecting a traction vehicle head is horizontally fixed on the outer end face of at least one extension plate (1).

6. The independent steering telescopic semitrailer convenient for unloading according to claim 5, characterized in that: the bottom surface of the traction ring body (2) is vertically fixed with a telescopic supporting leg with a locking function.

7. An unloading-facilitating independent steering telescopic semitrailer according to any one of claims 1 to 6, characterised in that: uninstallation subassembly (6) include push pedal (601) and stiffener (602), push pedal (601) hang respectively in the correspondence extend board (1) top, the inboard middle part of push pedal (601) is along vertically being fixed with stiffener (602), the vertical branch (603) that is fixed with in middle part of stiffener (602), just branch (603) and corresponding the vertical sliding fit of fixing sleeve (7), the bottom of branch (603) has radially seted up the spacing hole of a plurality of (604), spacing hole (604) with locking subassembly (9) one-to-one and horizontal sliding fit.

8. The telescopic semitrailer with independent steering for facilitating unloading according to claim 7, characterized in that: the horizontal section of the push plate (601) is in an arrow shape, and the pointed end faces outwards.

9. The independent steering telescopic semitrailer convenient for unloading according to claim 8, characterized in that: the locking assemblies (9) of each fixing sleeve (7) are two, each locking assembly (9) comprises a limiting rod (901) and a handle (903), the limiting rods (901) are coaxially and slidably matched with the mounting holes (701), the inner ends of the limiting rods (901) extending into the fixing sleeves (7) are horizontally and slidably matched with the corresponding limiting holes (604), the outer ends of the limiting rods (901) extend out of the corresponding mounting holes (701) in a sliding fit mode and are fixed with the handles (903), springs (902) are in clearance fit with parts of the limiting rods (901) located on the outer sides of the handles (903) and the fixing sleeves (7), and two ends of each spring (902) are fixedly connected with the handles (903) and the fixing sleeves (7) respectively.

10. The telescopic semitrailer with independent steering for facilitating unloading according to claim 9, characterized in that: the anti-skid device is characterized in that anti-skid lines are formed in the surface of the handle (903), and the handle (903) is in threaded connection with the limiting rod (901).

Technical Field

The invention relates to the field of semitrailers, in particular to an independent steering telescopic semitrailer convenient to unload.

Background

The existing transport vehicles used in engineering are mainly divided into agricultural vehicles, dump trucks and the like. The agricultural vehicle is flexible in steering, but is limited by insufficient power and extremely limited in carrying capacity. The power of the dump truck is sufficient, but the loading capacity is general because the dump truck is suitable for short-distance transportation of bulk materials. When the transport vehicle is generally used in engineering projects, different types of transport vehicles can be used simultaneously in consideration of transportation requirements under various conditions, so that the use cost of the machine is greatly increased, and the labor cost of a driver is increased. At present, for a semitrailer with large bearing capacity and large transport capacity, unloading of materials is often carried out in a mode of manual completion by workers, the efficiency is low, the working strength is high, and the application range of the semitrailer is limited to a certain extent.

Disclosure of Invention

The present invention is directed to solve the above problems and to provide an independent steering telescopic semitrailer which is easy to unload, and the length of the whole semitrailer body can be increased or decreased by extending and retracting the extension plates at the two ends of the semitrailer body, so as to facilitate the expansion and increase of the transportation capacity, and at the same time, the length of the semitrailer body can be decreased when the semitrailer is empty, so as to facilitate steering, as will be explained in detail below.

In order to achieve the purpose, the invention provides the following technical scheme:

the invention provides an independent steering telescopic semitrailer convenient to unload, which comprises a semitrailer body, wherein the semitrailer body is of a transverse U-shaped structure and is arranged in an inverted manner, a mounting seat is fixed in the middle of the bottom surface of the semitrailer body, hydraulic cylinder bodies are transversely fixed on two sides of the mounting seat and are symmetrically arranged, extension plates are horizontally fixed at the outer ends of hydraulic push rods of the hydraulic cylinder bodies, and the extension plates are in transverse sliding fit with the inner profile of the semitrailer body;

the semi-trailer plate comprises a semi-trailer plate body and is characterized in that fixing sleeves are vertically fixed on two sides of the top surface of the semi-trailer plate body, a plurality of mounting holes are radially formed in the middle of each fixing sleeve, locking assemblies are coaxially matched with the mounting holes, unloading assemblies are coaxially fixed on the fixing sleeves, and the unloading assemblies are symmetrically distributed and are respectively suspended above the extending plates in a similar mode.

Preferably, the bottom end face of the semitrailer plate body is horizontally fixed with a supporting plate, the front side and the rear side of the bottom face of the extension plate are uniformly fixed with a plurality of protruding blocks, and the protruding blocks are in contact with the supporting plate.

Preferably, the bumps are all of a hemispherical structure, and the contact surfaces of the bumps and the supporting plate are both subjected to polishing treatment.

Preferably, a plurality of groups of wheel carriers are fixed on the bottom end face of the supporting plate, each group of wheel carriers is rotatably connected with wheels through a support shaft along the longitudinal direction, and the middle position of the support shaft is connected with a steering assembly used for controlling the steering of the wheels.

Preferably, a traction ring body used for connecting a traction vehicle head is horizontally fixed on the outer end face of at least one extension plate.

Preferably, a telescopic support leg with a locking function is vertically fixed on the bottom surface of the traction ring body.

Preferably, the unloading assembly comprises a push plate and a reinforcing rod, the push plate is suspended correspondingly above the extension plate, the reinforcing rod is longitudinally fixed in the middle of the inner side of the push plate, a supporting rod is vertically fixed in the middle of the reinforcing rod, the supporting rod is in vertical sliding fit with the fixing sleeve in a corresponding mode, a plurality of limiting holes are formed in the bottom of the supporting rod in a radial mode, and the limiting holes are in one-to-one and horizontal sliding fit with the locking assemblies.

Preferably, the horizontal section of the push plate is in an arrow shape, and the pointed end faces outwards.

Preferably, every fixed sleeve the locking Assembly is two, the locking Assembly includes gag lever post and handle, the gag lever post with the coaxial and sliding fit of mounting hole, the gag lever post stretches into fixed sleeve's the inner respectively with correspond spacing hole horizontal sliding fit, the outer end of gag lever post all stretches out the correspondence with sliding fit's mode the mounting hole is just fixed with the handle, the gag lever post is located the handle with the equal clearance fit in part in the fixed sleeve outside has the spring, just the spring both ends respectively with the handle with fixed sleeve fixed connection.

Preferably, the surface of the handle is provided with anti-skid threads, and the handle is connected with the limiting rod through threads.

When the independent steering telescopic semitrailer convenient for unloading is adopted, the traction ring body is connected with the corresponding traction headstock, the hydraulic cylinder body is respectively communicated with a hydraulic system pipeline of the traction headstock through the quick joint, the control rod of the hydraulic cylinder body is controlled to be independently arranged in the cab of the traction headstock, when the semitrailer is used, the hydraulic rod body is operated to drive the hydraulic push rod to stretch or extend under the condition of braking of the traction headstock, the hydraulic push rod retracts or pushes the extension plate into or out of the semitrailer plate body for a certain distance in the process, the hydraulic cylinder body is required to be self-locked by the hydraulic push rod to be incapable of continuously stretching after adjustment is finished, so that the length of the whole semitrailer body can be increased or reduced in a mode that the extension plate stretches at two ends of the semitrailer plate body, the transportation capacity is conveniently expanded and increased, the length of a vehicle body is conveniently reduced to facilitate steering when the vehicle is empty, the tops of all the fixing sleeves are plugged with plugs before goods are loaded, when the goods are transported to the proper position after the extension plate is extended and need to be unloaded, workers firstly unload the materials on the top surface of the semi-trailer plate body to expose the fixing sleeves at the two ends of the semi-trailer plate body, then the plugs of the fixing sleeves are taken down and vertically slide the supporting rods of the unloading assembly in, simultaneously point the pointed ends of the pushing plates outwards to the materials, the handles are simultaneously pulled outwards in the descending process of the supporting rods to enable the limiting rods to be respectively accommodated in the corresponding mounting holes, when the supporting rods descend to the limiting holes to be in one-to-one contrast with the limiting rods, the handles are loosened, and the springs release the stretching state to drive the limiting rods to be inserted into the corresponding limiting holes, the support rod is locked and cannot be vertically separated from the fixing sleeve, the push plate is arranged according to the mode, then the push plate is detachably fixed at the end part of the semi-trailer plate body, the tip of the end part of the semi-trailer plate body faces to materials, the hopper plate at the side of the semi-trailer plate body is turned over, the hydraulic push rod is driven to contract in a mode of operating the hydraulic cylinder body, the extension plate is taken into the semi-trailer plate body by the hydraulic push rod, the materials on the extension plate are pushed down to the side of the semi-trailer plate body in a mode of guiding the materials at two sides by the push plate in the process, auxiliary unloading of the materials is achieved, unloading efficiency of the materials is improved conveniently, working strength of workers is reduced, and the application range of the device is widened.

Has the advantages that: 1. the length of the whole vehicle body can be increased or reduced by the extension plates extending and retracting at the two ends of the semitrailer vehicle plate body, so that the transportation volume can be conveniently increased and increased, and the length of the vehicle body can be conveniently reduced during empty vehicle to facilitate steering;

2. the unloading assembly is detachably fixed at the front part and the rear part of the semitrailer plate body respectively through the fixing sleeve and the vertical sliding fit of the supporting rod and the horizontal sliding fit mode of the limiting rod and the limiting hole, so that the materials are pushed down from the two sides of the extension plate through the mode matched push plate which is contracted by the extension plate when the materials are unloaded, the auxiliary unloading of the materials is realized, the unloading efficiency of the materials is convenient to improve, the working strength of workers is reduced, and the application range of the device is widened.

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, 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 the drawings without creative efforts.

FIG. 1 is a front external view of the present invention;

FIG. 2 is a front cross-sectional view of the invention of FIG. 1;

FIG. 3 is a top exterior view of FIG. 1 of the present invention;

FIG. 4 is a top cross-sectional view of FIG. 1 of the present invention;

FIG. 5 is an enlarged view of a portion of FIG. 4 in accordance with the present invention;

fig. 6 is a left side view of fig. 1 of the present invention.

The reference numerals are explained below:

1. an extension plate; 101. a bump; 2. a traction ring body; 3. a telescopic leg; 4. a semitrailer body; 401. a support plate; 402. a mounting seat; 5. a wheel carrier; 501. a wheel; 502. a steering assembly; 503. a support shaft; 6. unloading the assembly; 601. pushing the plate; 602. a reinforcing bar; 603. a strut; 604. a limiting hole; 7. fixing the sleeve; 701. mounting holes; 8. a hydraulic cylinder body; 801. a hydraulic push rod; 9. a locking assembly; 901. a limiting rod; 902. a spring; 903. a handle.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-6, the invention provides an independent steering telescopic semitrailer convenient for unloading, which comprises a semitrailer truck bed body 4, wherein the semitrailer truck bed body 4 is of a transverse U-shaped structure and is arranged in an inverted manner, a mounting seat 402 is fixed in the middle of the bottom surface of the semitrailer truck bed body 4, hydraulic cylinder bodies 8 are transversely fixed on two sides of the mounting seat 402 and are symmetrically arranged, extension plates 1 are horizontally fixed at the outer ends of hydraulic push rods 801 of the hydraulic cylinder bodies 8, and the extension plates 1 are in transverse sliding fit with the inner contour of the semitrailer truck bed body 4. The top surface both sides of semitrailer sweep body 4 are all vertically fixed with fixed sleeve 7, and a plurality of mounting hole 701 has all radially been seted up at the middle part of fixed sleeve 7, and every mounting hole 701 all coaxial cooperation has locking Assembly 9, and fixed sleeve 7 all coaxial fixation has uninstallation subassembly 6, and two 6 symmetric distributions of uninstallation subassembly just hang respectively in the 1 tops of extension board that is close.

As the preferred scheme of this scheme, the bottom surface of semitrailer truck board body 4 all is fixed with layer board 401 horizontally, and the both sides equipartition is fixed with a plurality of lug 101 around extension board 1 bottom surface, and lug 101 and layer board 401 contact, so set up, be convenient for reduce the extension board 1 friction resistance when stretching out and drawing back through the mode of lug 101 contact layer board 401, be convenient for extension board 1 can be smooth and easy flexible.

Lug 101 is the hemisphere structure, and the equal polishing of lug 101 and layer board 401 contact surface is handled, so set up, be convenient for further reduction the resistance when extending board 1 is flexible, further be convenient for extend board 1 can be smooth and easy flexible, layer board 401's bottom face is fixed with a plurality of groups wheel carrier 5, every group wheel carrier 5 all is connected with wheel 501 through rotating along fore-and-aft back shaft 503, and back shaft 503's intermediate position is connected with the subassembly 502 that turns to that is used for controlling wheel 501 to turn to, the preferred control lever that turns to subassembly 502 independently sets up in the cockpit, so set up, be convenient for carry out independent control through turning to subassembly 502 to turning to wheel 501, the semitrailer of being convenient for can be easier accomplish in the transportation and turn to.

The outer terminal surface level of at least one extension board 1 is fixed with and is used for connecting the traction ring body 2 who pulls the locomotive, so sets up, is convenient for link through traction ring body 2 and pulls the locomotive back and drive whole automobile body by pulling the locomotive and remove, and the bottom surface of traction ring body 2 is vertical to be fixed with the flexible stabilizer blade that has the locking function, so sets up, is convenient for with the automobile body with pull the locomotive respectively the time, can support the automobile body level through flexible stabilizer blade.

Unloading assembly 6 includes push pedal 601 and stiffener 602, push pedal 601 hangs respectively in the extension board 1 top that corresponds, the inboard middle part of push pedal 601 is along vertically being fixed with stiffener 602, the vertical branch 603 that is fixed with in the middle part of stiffener 602, and branch 603 and the vertical sliding fit of the fixed sleeve 7 that corresponds, the bottom of branch 603 has radially seted up the spacing hole 604 of a plurality of, spacing hole 604 and locking assembly 9 one-to-one and horizontal sliding fit, so set up, be convenient for drive the material through the mode that extension board 1 contracts and be close to push pedal 601 relatively, with this through push pedal 601 with the material from the car side push down accomplish supplementary uninstallation, the horizontal cross section shape of push pedal 601 is arrow point shape and the pointed end outwards, so set up, push pedal 601 has good branch and leads the result of use and comes the efficient to push down the uninstallation from the car side with the material.

The locking components 9 of each fixing sleeve 7 are two, each locking component 9 comprises a limiting rod 901 and a handle 903, the limiting rods 901 are coaxially and slidably matched with the mounting holes 701, the inner ends of the limiting rods 901 extending into the fixing sleeves 7 are respectively horizontally and slidably matched with the corresponding limiting holes 604, the outer ends of the limiting rods 901 extend out of the corresponding mounting holes 701 in a sliding fit mode and are fixed with the handles 903, the parts of the limiting rods 901, which are positioned on the outer sides of the handles 903 and the fixing sleeves 7, are respectively in clearance fit with springs 902, and the two ends of each spring 902 are respectively fixedly connected with the corresponding handle 903 and the corresponding fixing sleeve 7, so that the fixing sleeve 7 cannot be separated from the supporting rod 603 in a mode that the limiting rods 901 are matched with the limiting holes 604, the locking of the supporting rod 603 cannot be separated from the fixing sleeve 7 is released conveniently in a mode that the limiting rods 901 are separated from the limiting holes 604, and the unloading, the anti-slip threads are formed in the surface of the handle 903, the handle 903 is in threaded connection with the limiting rod 901, and therefore the handle 903 is prevented from falling off the hand when the handle 903 is held by hand conveniently, and the handle 903 and the limiting rod 901 are combined conveniently.

By adopting the structure, when the tractor is arranged, the traction ring body 2 is connected with the corresponding traction vehicle head, the hydraulic cylinder body 8 is respectively communicated with a hydraulic system pipeline of the traction vehicle head through the quick coupling, and the control rod for controlling the hydraulic cylinder body 8 is independently arranged in the cab of the traction vehicle head, when the tractor is used, the hydraulic rod body is operated to drive the hydraulic push rod 801 to stretch or extend under the condition of braking of the traction vehicle head, in the process, the hydraulic push rod 801 enables the extension plate 1 to be retracted into the semitrailer truck plate body 4 for a certain distance or pushed out of the semitrailer truck plate body 4 for a certain distance, the hydraulic push rod 801 is enabled to be self-locked by the hydraulic cylinder body 8 after the adjustment is completed and cannot stretch continuously, so that the length of the whole truck body can be increased or reduced by the extension plate 1 stretching at two ends of the semitrailer truck plate body 4, the transportation amount is, before loading goods, plugging blocks on the tops of all the fixed sleeves 7 for plugging, when the goods to be loaded are transported to the proper position after the extension plate 1 is extended and needs to be unloaded, firstly unloading the materials on the top surface of the semi-trailer body 4 by workers to expose the fixed sleeves 7 at two ends of the semi-trailer body 4, then taking down the blocks of the fixed sleeves 7 and vertically sliding the support rods 603 of the unloading assembly 6, simultaneously pointing the tips of the push plates 601 outwards to the materials, simultaneously pulling the handle 903 outwards to enable the limiting rods 901 to be respectively put into the corresponding mounting holes 701 in the descending process of the support rods 603, loosening the handle 903 when the support rods 603 descend to the limiting holes 604 to be in one-to-one correspondence with the limiting rods 901, releasing the tension state by the spring 902 to drive the limiting rods 901 to be inserted into the corresponding limiting holes 604 so as to lock the support rods 603 and prevent the sleeve 7 from being vertically fixed and pulled out, installing the other push plate 601 according to the above manner, then detachably fixing the push plate 601 at the end part of, the hopper plates at the side of the semitrailer body 4 are turned over, the hydraulic push rods 801 are driven to contract in a mode of operating the hydraulic cylinder body 8, the extension plates 1 are immediately taken into the semitrailer body 4 by the hydraulic push rods 801, and materials on the extension plates 1 are pushed to the side of the semitrailer by the push plates 601 in a mode of guiding the two sides, so that auxiliary unloading of the materials is realized, unloading efficiency of the materials is improved conveniently, working strength of workers is reduced, and the application range of the device is widened.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.