阅读说明：本技术 一种工地施工用爬楼梯拉车 (Building site construction is with climbing stair pull cart ) 是由 杨云鹏 于 2020-11-09 设计创作，主要内容包括：本发明公开了一种工地施工用爬楼梯拉车,包括车底盘,所述车底盘上左侧设有控制装置,所述车底盘上右侧设有爬楼梯装置,所述爬楼梯装置一侧设有保护装置,所述控制装置用于控制本发明处于平地行驶模式或者爬楼梯模式,本发明通过设置控制装置实现本发明可在楼梯和水平地面行驶,使用范围广,通过设置爬楼梯装置,使得本发明可攀爬楼梯的同时,保护楼梯的直角台阶,不被本发明损坏,同时通过设置保护装置使得本发明在操作者失误时能及时使行驶轮限位,避免本发明从楼梯上滑落,造成危害,同时能保护本发明内部的零部件受到严重的磨损。(The invention discloses a stair climbing trolley for construction of a construction site, which comprises a trolley chassis, wherein a control device is arranged on the left side of the trolley chassis, a stair climbing device is arranged on the right side of the trolley chassis, a protection device is arranged on one side of the stair climbing device, and the control device is used for controlling the stair climbing trolley to be in a flat ground running mode or a stair climbing mode.)

1. The utility model provides a building site construction is with climbing stair pulling cart, includes vehicle chassis (11), its characterized in that: the stair climbing vehicle is characterized in that a control device is arranged on the left side of a vehicle chassis (11), a stair climbing device is arranged on the right side of the vehicle chassis (11), a protection device is arranged on one side of the stair climbing device, the control device is used for controlling the stair climbing vehicle to be in a flat ground running mode or a stair climbing mode, the stair climbing device is used for enabling the stair climbing vehicle to climb stairs on the premise of protecting a stair floor, the protection device is used for enabling an operator not to fall off the stairs when the operator is wrong, the control device comprises a handrail (12) fixedly arranged on the left end face of the vehicle chassis (11), a circuit cavity (45) is formed in the right end face of the handrail (12), a first electrifying block (46) is fixedly arranged on the left end wall of the circuit cavity (45), the first electrifying block (46) is connected with a power supply through an electric wire, a hand pulling plate (49) is arranged in the circuit cavity (45) in a sliding mode, the right end face of the hand pulling plate (49) is, be equipped with circular telegram chamber (50) in hand strap (49), it is equipped with button (51) to slide in circular telegram chamber (50), button (51) left end face is fixed and is equipped with second circular telegram piece (54), second circular telegram piece (54) pass through the electric wire with motor (16) are connected, circular telegram chamber (50) inner wall longitudinal symmetry has seted up two recess (52), every recess (52) left end wall with the step face of button (51) is connected through second spring (53) respectively.

2. The stair climbing trolley for construction site according to claim 1, wherein: the stair climbing device comprises a supporting block (13) fixedly arranged on one end surface of a chassis (11), a shell (14) is fixedly arranged on the right end face of the supporting block (13), a motor cavity (15) is arranged in the shell (14), the lower end wall of the motor cavity (15) is fixedly provided with the motor (16), the output shaft of the motor (16) is fixedly provided with a first gear (17), two groups of rotating assemblies are symmetrically arranged on the upper part and the lower part of the vehicle chassis (11), each rotating assembly comprises a cylindrical shell (20) fixedly arranged on one end face of the vehicle chassis (11), a rotating cavity (21) is arranged in the cylindrical shell (20), ball bearings (22) are pressed in the rotating cavity (21), a first rotating shaft (24) is arranged on the inner rings of the two ball bearings (22) in a press fit mode, a second gear (18) is fixedly arranged on the first rotating shaft (24), and the second gear (18) is meshed with the first gear (17).

3. A stair climbing trolley for construction at a construction site according to claim 2, wherein; the stair climbing device also comprises two climbing rods (25) which are vertically symmetrically and fixedly arranged on the first rotating shaft (24), the climbing rod (25) is symmetrically provided with two groups of climbing components at left and right, the climbing components comprise reserved cavities (58) arranged on the climbing rod (25), a second rotating shaft (28) is rotatably arranged in the reserved cavity (58), two groups of rotating parts are vertically and symmetrically fixedly arranged on the second rotating shaft (28), the rotating part comprises a supporting plate (26) sleeved on a second rotating shaft (28), a reset cavity (27) is arranged in the supporting plate (26), the reset cavity (27) is rotationally connected with the second rotating shaft (28), two convex blocks (35) are symmetrically arranged on the second rotating shaft (28) in the left-right direction, and the upper end face and the lower end face of each convex block (35) are connected with the inner wall of the reset cavity (27) through arc-shaped springs (34).

4. A stair climbing trolley for construction at a construction site according to claim 3, wherein: climbing subassembly still including setting up arrangement chamber (30) in backup pad (26), two it is equipped with a third axis of rotation (31) to settle chamber (30) inner wall rotation, fixed auxiliary wheel (32) of being equipped with on third axis of rotation (31).

5. The stair climbing trolley for construction site according to claim 1, wherein: the protection device comprises two groups of protection components which are symmetrically arranged on the vehicle chassis (11) from top to bottom, the protection components comprise a protection cavity (36) which is arranged on one end face of the vehicle chassis (11), the protection cavity (36) penetrates through one end face of the cylindrical shell (20), a telescopic block (39) is arranged in the protection cavity (36) in a sliding mode, the left end face of the telescopic block (39) is connected with the right end wall of the protection cavity (36) through a plurality of third springs (38), a sliding groove (40) is formed in the right end face of the telescopic block (39), a limit block (41) is arranged in the sliding groove (40) in a sliding mode, the front end face and the rear end face of the limit block (41) are connected with the inner wall of the sliding groove (40) through a fourth spring (43), a fourth rotating shaft (23) is arranged in the rotating cavity (21) in a rotating mode, a plurality of limit holes (42, the limiting hole (42) is abutted to the limiting block (41), a driving wheel (19) is fixedly arranged on one end face of the fourth rotating shaft (23), and the telescopic block (39) is connected with a hand-pulling plate (49) in the control device through a steel wire rope (37).

Technical Field

The invention belongs to the field of vehicles, and particularly relates to a stair climbing trolley for construction in a construction site.

Background

In almost all building constructions, material handling between different floors is all related to, the transport of material in the vertical direction generally adopts elevator or hoisting equipment, but hoisting equipment cost is higher if the sporadic material appears or there is the place of step, generally can only adopt artifical transport, but this kind of mode is wasted time and energy, and can not recycle, and stair still have certain safe risk when artifical transport.

Disclosure of Invention

The invention provides a stair climbing trolley for construction site construction, aiming at overcoming the defects in the prior art and solving the problems in the background technology.

The technical scheme of the invention is as follows: a stair climbing trolley for construction in a construction site comprises a trolley chassis, wherein a control device is arranged on the left side of the trolley chassis, a stair climbing device is arranged on the right side of the trolley chassis, a protection device is arranged on one side of the stair climbing device and used for controlling the stair climbing trolley to be in a flat ground running mode or a stair climbing mode, the stair climbing device is used for enabling the stair climbing trolley to climb a stair on the premise of protecting a stair floor, the protection device is used for preventing an operator from falling off the stair when the operator fails, the control device comprises a handrail fixedly arranged on the left end face of the trolley chassis, a circuit cavity is formed in the right end face of the handrail, a first electrifying block is fixedly arranged on the left end wall of the circuit cavity and connected with a power supply through an electric wire, a hand-pulling plate is slidably arranged in the circuit cavity, the right end face of the hand-pulling plate is connected with the left end wall of the circuit cavity through a first, be equipped with the circular telegram chamber in the hand strap, it is equipped with the button to slide in the circular telegram intracavity, the fixed second that is equipped with of button left end face is electrified piece, the second electrified piece pass through the electric wire with the motor is connected, two recesses have been seted up to circular telegram intracavity inner wall longitudinal symmetry, every recess left end wall with the step face of button is respectively through second spring coupling.

The stair climbing device comprises a supporting block fixedly arranged on one end face of a chassis, a shell is fixedly arranged on the right end face of the supporting block, a motor cavity is arranged in the shell, the lower end wall of the motor cavity is fixedly provided with a motor, a first gear is fixedly arranged on a motor output shaft, two groups of rotating assemblies are symmetrically arranged on the chassis in an up-and-down mode and comprise a cylindrical shell fixedly arranged on one end face of the chassis, a rotating cavity is formed in the cylindrical shell, a ball bearing is arranged in the rotating cavity in a press-fitting mode, two ball bearing inner rings are arranged in the ball bearing in a press-fitting mode and are provided with a first rotating shaft, a second gear is fixedly arranged on the first rotating shaft, and the second gear is meshed.

The stair climbing device further comprises two climbing rods which are vertically symmetrically and fixedly arranged on the first rotating shaft, and the climbing rods are right-left pairedThe title is equipped with two sets of climbing subassemblies, the climbing subassembly is including setting up the reservation chamber on climbing rod, it is equipped with the second axis of rotation to reserve the intracavity rotation, the fixed two sets of rotating parts that are equipped with of second axis of rotation longitudinal symmetry, rotating part establishes the backup pad in the second axis of rotation including the cover, be equipped with the chamber that resets in the backup pad, the chamber that resets with the second axis of rotation is rotated and is connected, the bilateral symmetry is equipped with two lugs in the second axis of rotation, every the upper and lower terminal surface of lug is respectively through establishing the backup pad in the second axis ofArc springIs connected with the inner wall of the reset cavity.

Climbing subassembly is still including setting up the arrangement chamber in the backup pad, two it rotates to be equipped with a third axis of rotation to settle intracavity wall, the fixed auxiliary wheel that is equipped with in the third axis of rotation.

The protection device includes that the longitudinal symmetry sets up two sets of protection subassemblies on the vehicle chassis, the protection subassembly is including seting up the protection chamber at a vehicle chassis terminal surface, the protection chamber runs through a terminal surface of cylinder casing, it is equipped with flexible piece to slide in the protection chamber, flexible piece left end face with protection chamber right side wall is through a plurality of third spring coupling, the spout has been seted up to flexible piece right-hand member face, it is equipped with the stopper to slide in the spout, terminal surface around the stopper with the spout inner wall passes through fourth spring coupling, it is equipped with the fourth axis of rotation to rotate the intracavity, the circumference evenly is equipped with a plurality of spacing holes in the fourth axis of rotation, spacing hole with the stopper offsets, the fixed wheel that traveles that is equipped with of a terminal surface of fourth axis of rotation, flexible piece with hand pull plate in the control device passes through wire rope and connects.

Has the advantages that:

the stair climbing device is arranged, so that the stair climbing device can climb the stairs, meanwhile, right-angle steps of the stairs are protected and cannot be damaged by the stair climbing device, meanwhile, the protection device is arranged, so that the driving wheels can be limited timely when an operator is wrong, the damage caused by the sliding of the stair climbing device from the stairs is avoided, and meanwhile, parts in the stair climbing device can be protected from being seriously abraded.

Drawings

FIG. 1 is an overall cross-sectional view of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B in FIG. 1;

FIG. 4 is a cross-sectional view taken at C-C of FIG. 3;

FIG. 5 is an enlarged schematic view at D of FIG. 1;

fig. 6 is a sectional view at E-E in fig. 5.

In the figure, a chassis 11, an armrest 12, a supporting block 13, a housing 14, a motor cavity 15, a motor 16, a first gear 17, a second gear 18, a traveling wheel 19, a cylindrical housing 20, a rotating cavity 21, a ball bearing 22, a fourth rotating shaft 23, a first rotating shaft 24, a climbing rod 25, a supporting plate 26, a reset cavity 27, a second rotating shaft 28, a mounting cavity 30, a third rotating shaft 31, an auxiliary wheel 32, an arc-shaped spring 34, a reset cavity 34, a convex block 35, a protection cavity 36, a steel wire rope 37, a third spring 38, a telescopic block 39, a sliding chute 40, a limiting block 41, a limiting hole 42, a fourth spring 43, a circuit cavity 45, a first electrifying block 46, a first spring 47, a hand-pulling plate 49, an electrifying cavity 50, a button 51, a groove 52, a second spring 53, a second electrifying block 54 and a reserved cavity 58 are arranged.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 6, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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. For convenience of description, the specific form of the spring attachment is not described below, and may be provided in the conventional manner of a mechanical design manual, i.e., by providing a groove or protrusion for positioning the spring.

As shown in fig. 1-6, a stair climbing trolley for construction at a construction site comprises a vehicle chassis 11, wherein a control device is arranged on the left side of the vehicle chassis 11, a stair climbing device is arranged on the right side of the vehicle chassis 11, a protection device is arranged on one side of the stair climbing device, the control device is used for controlling the stair climbing trolley to be in a flat ground running mode or a stair climbing mode, the stair climbing device is used for climbing stairs on the premise of protecting the floor of the stairs, the protection device is used for preventing the stair climbing trolley from falling off the stairs when an operator fails, the control device comprises a handrail 12 fixedly arranged on the left end surface of the vehicle chassis 11, a circuit cavity 45 is arranged on the right end surface of the handrail 12, a first electrification block 46 is fixedly arranged on the left end wall of the circuit cavity 45, the first electrification block 46 is connected with a power supply through an electric wire, a hand pulling plate 49 is slidably arranged in the circuit cavity 45, the utility model discloses a circuit, including circuit chamber 45, hand-pulling plate 49, switch board 54, motor 16, two recesses 52, every have been seted up through the symmetry about 50 inner walls of electricity chamber, recess 52 left end wall with circuit chamber 45 left end wall is connected through first spring 47, be equipped with logical electricity chamber 50 in the hand-pulling plate 49, it is equipped with button 51 to slide in logical electricity chamber 50, the fixed second piece 54 that leads to of button 51 left end face, second piece 54 that leads to pass through the electric wire with motor 16 connects, pass through electricity chamber 50 inner walls upper and lower symmetry and seted up two recesses 52, every recess 52 left end wall with button 51's step face.

When the invention is used for transporting goods on a horizontal ground, an operator can hold the hand pulling plate 49 by four fingers with one hand to expose the button 51 from the finger gap, and pulls the handrail 12 after the palm is positioned on the left end surface of the handrail 12, so that the hand pulling plate 49 moves leftwards and the protection device is unlocked, and the invention can operate in a flat ground mode. When an operator uses the stair climbing device to transport goods on stairs, the operator holds the handrail 12 and the hand pulling plate 49 with one hand, the four fingers are enabled to press the button 51, and the button 51 moves leftwards until the second electrifying block 54 is abutted against the first electrifying block 46, so that the stair climbing device is started.

The stair climbing device comprises a supporting block 13 fixedly arranged on one end face of a chassis 11, a shell 14 is fixedly arranged on the right end face of the supporting block 13, a motor cavity 15 is arranged in the shell 14, the end wall of the motor cavity 15 is fixedly provided with a motor 16, a first gear 17 is fixedly arranged on an output shaft of the motor 16, two sets of rotating assemblies are symmetrically arranged on the chassis 11 in an up-and-down mode and comprise a cylindrical shell 20 fixedly arranged on one end face of the chassis 11, a rotating cavity 21 is arranged in the cylindrical shell 20, a ball bearing 22 is arranged in the rotating cavity 21, and two ball bearings 22 are internally pressed and provided with a first rotating shaft 24 in an inner ring manner, a second gear 18 is fixedly arranged on the first rotating shaft 24, and the second gear 18 is meshed with the first gear 17.

The stair climbing device further comprises two climbing rods 25 which are arranged on the first rotating shaft 24 in a vertically symmetrical mode, the climbing rods 25 are symmetrically arranged on the left and right sides of the climbing rod 25 in a two-group mode, the climbing components comprise reserved cavities 58 arranged on the climbing rods 25, second rotating shafts 28 are arranged in the reserved cavities 58 in a rotating mode, two groups of rotating parts are arranged on the second rotating shafts 28 in a vertically symmetrical mode, each rotating part comprises a supporting plate 26 which is arranged on the second rotating shafts 28 in a sleeved mode, a reset cavity 27 is arranged in each supporting plate 26, the reset cavities 27 are connected with the second rotating shafts 28 in a rotating mode, two convex blocks 35 are arranged on the second rotating shafts 28 in a horizontally symmetrical mode, and each convex block 35 is connected with the inner walls of the reset cavities 27 through arc-shaped springs 34.

The climbing assembly further comprises placing cavities 30 arranged in the supporting plate 26, a third rotating shaft 31 is rotatably arranged on the inner wall of each placing cavity 30, and auxiliary wheels 32 are fixedly arranged on the third rotating shafts 31.

When the motor 16 is started to drive the first gear 17 to rotate, the first gear 17 drives the second gear 18 to rotate, the second gear 18 drives the first rotating shaft 24 to rotate, the first rotating shaft 24 drives the climbing rod 25 to rotate, the climbing rod 25 rotates to enable the auxiliary wheel 32 to be in contact with the stair surface, the climbing rod 25 continues to rotate, at the moment, the gravity of the stair climbing device acts on the auxiliary wheel 32, when the climbing rod 25 continues to rotate, the auxiliary wheel 32 drives the supporting plate 26 to rotate around the second rotating shaft 28, the arc-shaped spring 34 stores elastic potential energy, meanwhile, the contact time of the climbing rod 25 and the stair surface is prolonged, the two auxiliary wheels 32 can simultaneously bear the gravity of the stair climbing device, and the stair surface is protected from being crushed by the auxiliary wheel 32.

The protection device comprises two groups of protection components which are symmetrically arranged on the chassis 11 up and down, the protection components comprise a protection cavity 36 arranged on one end face of the chassis 11, the protection cavity 36 penetrates through one end face of the cylindrical shell 20, a telescopic block 39 is arranged in the protection cavity 36 in a sliding mode, the left end face of the telescopic block 39 is connected with the right end wall of the protection cavity 36 through a plurality of third springs 38, the right end face of the telescopic block 39 is provided with a sliding chute 40, a limit block 41 is arranged in the sliding chute 40 in a sliding way, the front and rear end surfaces of the limiting block 41 are connected with the inner wall of the sliding groove 40 through a fourth spring 43, a fourth rotating shaft 23 is rotatably arranged in the rotating cavity 21, a plurality of limiting holes 42 are uniformly arranged on the circumference of the fourth rotating shaft 23, the limiting hole 42 is abutted against the limiting block 41, one end face of the fourth rotating shaft 23 is fixedly provided with a running wheel 19, the telescopic block 39 is connected with a hand-pulling plate 49 in the control device through a wire rope 37.

When the vehicle normally runs, the steel wire rope 37 is pulled by an operator to pull the telescopic block 39 to move leftwards, the third spring 38 is compressed, the telescopic block 39 drives the limiting block 41 to move leftwards until the limiting block 41 is separated from the limiting hole 42, at the moment, the vehicle can normally run, when the operator fails in operation, and a single hand slips off the handrail 12, the third spring 38 is quickly reset, the telescopic block 39 moves rightwards, the telescopic block 39 drives the limiting block 41 to move rightwards until the limiting block 41 is inserted into the limiting hole 42, the limiting hole 42 is limited by the limiting block 41, so that the fourth rotating shaft 23 cannot rotate, and the vehicle is prevented from sliding off from a stair and causing damage.

The working principle is as follows:

when the invention is used for transporting goods on a horizontal ground, an operator can hold the hand pulling plate 49 by four fingers with one hand to expose the button 51 from the finger gap, and pulls the handrail 12 after the palm is positioned on the left end surface of the handrail 12, so that the hand pulling plate 49 moves leftwards and the protection device is unlocked, and the invention can operate in a flat ground mode. When an operator uses the stair climbing device to transport goods on stairs, the operator holds the handrail 12 and the hand pulling plate 49 with one hand, the four fingers are enabled to press the button 51, and the button 51 moves leftwards until the second electrifying block 54 is abutted against the first electrifying block 46, so that the stair climbing device is started.

6. When the motor 16 is started to drive the first gear 17 to rotate, the first gear 17 drives the second gear 18 to rotate, the second gear 18 drives the first rotating shaft 24 to rotate, the first rotating shaft 24 drives the climbing rod 25 to rotate, the climbing rod 25 rotates to enable the auxiliary wheel 32 to be in contact with the stair surface, the climbing rod 25 continues to rotate, at the moment, the gravity of the stair climbing device acts on the auxiliary wheel 32, when the climbing rod 25 continues to rotate, the auxiliary wheel 32 drives the supporting plate 26 to rotate around the second rotating shaft 28, the arc-shaped spring 34 stores elastic potential energy, meanwhile, the contact time of the climbing rod 25 and the stair surface is prolonged, the two auxiliary wheels 32 can simultaneously bear the gravity of the stair climbing device, and the stair surface is protected from being crushed by the auxiliary wheel 32.

When the escalator normally runs, the steel wire rope 37 pulls the telescopic block 39 to move leftwards, the third spring 38 is compressed, the telescopic block 39 drives the limiting block 41 to move leftwards until the limiting block 41 is separated from the limiting hole 42, at the moment, the escalator can normally run, when an operator fails in operation, and a single hand slips off the armrest 12, the third spring 38 is quickly reset, the telescopic block 39 moves rightwards, the telescopic block 39 drives the limiting block 41 to move rightwards until the limiting block 41 is inserted into the limiting hole 42, the limiting hole 42 is limited by the limiting block 41, so that the fourth rotating shaft 23 cannot rotate, and the escalator is prevented from slipping off from a stair and causing damage.

Other parts in the present invention are not described in detail for the prior art.