Portable safe anti-skid device

Abstract

A light and safe anti-skid device relates to the technical field of limiting devices and comprises two stop blocks arranged in parallel, the opposite end faces of the two stop blocks are provided with stop slopes arranged in a gradually-expanding mode, the two stop blocks are jointly installed on a cart frame, two supporting wheels are rotationally arranged on the cart frame in parallel, and when the bottom faces of the two stop blocks are attached to the ground, the bottom faces of the two stop blocks abut against the bottom face of the cart frame. The two supporting wheels are separated from the ground, and the cart frame is provided with a driving structure for driving the two stopping blocks to move in the same direction or opposite directions. The wheel anti-skid structure solves the problems that when a wheel anti-skid structure in the prior art is used, due to the fact that wheels of different types of vehicles are different in size, an existing device cannot be used in a matched mode according to the wheels of different sizes, and the anti-skid use range of the wheels is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of limiting device, concretely relates to portable safety antiskid device. BACKGROUND

[0002] There are more container trucks, semi-trailer trucks and other road transport vehicles for loading and unloading goods and shipping salt in the company, after the truck driver comes, the vehicle is checked and qualified to drive into the designated position in the yard area to load and unload goods, we mainly use the forklift to fork out the goods from the warehouse, and under the on-site supervision of the custodian, the forklift driver forks the pallet to the truck, sometimes the forklift will hit the truck and cause the parked truck to move, the sudden movement of the vehicle will not give the loading worker enough time to adjust his body, and due to inertia, the worker will fall down; on the other hand, sometimes the driver starts the engine to improve the working environment in the cab when it is hot or cold, which also easily causes the vehicle to start mistakenly.

[0003] The prior art discloses the patent with the announcement number CN216069947U, the scheme includes a vehicle frame; a box body is arranged on both sides of the vehicle frame, a threaded rod is rotatably connected between the inner walls of the box body, a threaded sleeve is threadedly connected to the surface of the threaded rod, and a push rod is hingedly connected to the bottom of the threaded sleeve; two movable barrels are symmetrically hingedly connected to the inner walls of the box body, one side of the movable barrel is hingedly connected to the bottom end of the push rod, and a skid-preventing device for locking the wheels of a vehicle is provided, the arc surface on one side of the stop block is indirectly brought into contact with the surface of the wheel by controlling the double-shaft motor, the skid-preventing effect is achieved, the anti-skid nails at the bottom of the stop block are tightly contacted with the ground under the action of the spring, the gripping force between the stop block and the ground is effectively enhanced, the skid-preventing effect is improved, the device is suitable for different terrains, and the application range is wide.

[0004] The existing device gradually exposes the deficiencies of the technology with use, mainly in the following aspects:

[0005] The existing wheel anti-skid structure cannot be matched with wheels of different sizes for use, reducing the wheel anti-skid use range.

[0006] As can be seen from the above, the prior art has obvious inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENTS

[0007] In view of the defects in the prior art, the utility model provides a portable safety antiskid device to solve the problem that the wheel anti-skid structure in the prior art cannot be matched with wheels of different sizes for use, reducing the wheel anti-skid use range.

[0008] To achieve the above object, the utility model provides the following technical scheme:

[0009] Portable safety antiskid device, including two parallelly arranged stopper, the opposite end face of two stopper is equipped with the stopper inclined surface that shows the gradually expanded formula setting, two stopper is jointly installed on the trolley frame, two parallelly arranged support wheel is equipped on the trolley frame, when the bottom surface of two stopper is pasted with ground, two support wheel is separated from ground, the trolley frame is equipped with the drive structure of driving two stopper and moving oppositely or oppositely.

[0010] As an optimized scheme, the stopper inclined surface is fixedly connected with a rubber antiskid pad.

[0011] As an optimized scheme, the drive structure includes a lead screw arranged horizontally, two external thread sections with opposite rotation directions are arranged on the lead screw, a drive sleeve is threadedly connected to each external thread section, and the drive sleeve is connected to the side wall of the stopper through a guide structure.

[0012] As an optimized scheme, the guide structure includes a guide column arranged on one side of the lead screw, a guide sleeve is slidably arranged on the guide column and corresponds to the drive sleeve, a connecting rod is fixedly connected between the guide sleeve and the top of the drive sleeve, and one end of the connecting rod is also fixedly connected to the side wall of the stopper.

[0013] As an optimized scheme, the trolley frame includes two side rods arranged in parallel, and the two ends of the lead screw are rotatably arranged on the inner walls of the two side rods near the lower end portions.

[0014] As an optimized scheme, a horizontal rod is fixedly connected to the side wall of the stopper at the lower end portion of the side rod, and the end portion of the guide column is fixedly connected to the other end of the horizontal rod.

[0015] As an optimized scheme, a plurality of reinforcing rods are fixedly connected between the two side rods in parallel from top to bottom.

[0016] As an optimized scheme, an adjusting shaft is rotatably arranged on the plurality of reinforcing rods in a vertical direction, a driving bevel gear is fixedly connected to the lower end portion of the adjusting shaft, and a driven bevel gear matched with the driving bevel gear is fixedly connected to the lead screw near the middle portion.

[0017] As an optimized scheme, a crank handle is fixedly connected to the upper end portion of the adjusting shaft.

[0018] As an optimized scheme, a handle is fixedly connected to the upper end portion of the side rod and inclined upward away from the stopper.

[0019] As an optimized scheme, the supporting wheel is rotatably installed on the outer wall of the side rod close to the lower end.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] Through the trolley frame, in the non-use state, by tilting the trolley frame, the supporting wheel is in contact with the ground, the stop block is lifted, flexible transfer of the device can be realized, in the use state, the bottom surface of the stop block is supported on the ground, the two stop blocks are located on the two sides of the vehicle, the screw rod is rotated by rotating the adjusting shaft, the driving sleeve can drive the two stop blocks to move, the use of different sizes of wheels is realized, and the use range is expanded.

[0022] The stop block on the stop block realizes the abutment of the two sides of the wheel, and the two-way stop design is used, the stop block on the two sides can effectively stop the movement of the vehicle by the friction force, and the safety risk caused by the sudden start of the parking vehicle is solved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0024] Figure 1 It is a structural schematic view of the utility model;

[0025] Figure 2 It is a structural schematic view of the side guide column of the utility model.

[0026] In the drawings: 1-stop block; 2-rubber non-slip pad; 3-adjusting shaft; 4-screw rod; 5-driving sleeve; 6-supporting wheel; 7-side rod; 8-strengthening rod; 9-crank handle; 10-grip; 11-guide column; 12-guide sleeve; 13-connecting rod; 14-cross rod; 15-driving bevel gear; 16-following bevel gear. DETAILED DESCRIPTION

[0027] The embodiments of the technical solutions of the utility model will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the utility model, therefore only as an example, and cannot limit the protection scope of the utility model.

[0028] As Figure 1 And Figure 2The portable safety anti-skid device is shown, including two parallel arranged stop blocks 1, the opposite end faces of the two stop blocks 1 are provided with gradually expanded stop inclined surfaces, the two stop blocks 1 are commonly installed on a cart frame, two support wheels 6 are parallel arranged and rotatable on the cart frame, when the bottom surfaces of the two stop blocks 1 are attached to the ground, the two support wheels 6 are separated from the ground, the cart frame is provided with a driving structure for driving the two stop blocks 1 to move towards or away from each other.

[0029] The stop inclined surfaces are fixedly connected with the attached rubber anti-skid pads 2.

[0030] The driving structure includes a horizontally rotatable lead screw 4, the lead screw 4 is provided with two outer thread sections with opposite rotation directions, each outer thread section is threadedly connected with a driving sleeve 5, the driving sleeve 5 is connected with the side wall of the stop block through a guide structure.

[0031] The guide structure includes guide columns 11 arranged in parallel on one side of the lead screw 4, guide sleeves 12 are slidingly sleeved on the guide columns 11 corresponding to the driving sleeves 5, connecting rods 13 are commonly fixedly connected between the guide sleeves 12 and the top portions of the driving sleeves 5, one end of the connecting rods 13 is also fixedly connected with the side wall of the stop block.

[0032] The cart frame includes two parallel arranged side rods 7, both ends of the lead screw 4 are rotatably installed on the inner walls of the two side rods 7 close to the lower end portions.

[0033] The lower end portions of the side rods 7 are horizontally fixedly connected with cross rods 14 towards the side wall of the stop block, the end portions of the guide columns 11 are fixedly connected to the other end portions of the cross rods 14.

[0034] A plurality of reinforcing rods 8 are fixedly connected in parallel from top to bottom between the two side rods 7.

[0035] A plurality of reinforcing rods 8 are commonly vertically rotatably installed with adjusting shafts 3, the lower end portions of the adjusting shafts 3 are fixedly connected with driving bevel gears 15, the middle portions of the lead screw 4 are fixedly connected with driven bevel gears 16 matched with the driving bevel gears 15.

[0036] The upper end portions of the adjusting shafts 3 are fixedly connected with crank handles 9.

[0037] The upper end portions of the side rods 7 are fixedly connected with handles 10 obliquely upwards away from the stop block 1.

[0038] The support wheels 6 are rotatably installed on the outer walls of the side rods 7 close to the lower end portions.

[0039] The working principle of the device is as follows:

[0040] By the trolley frame, in the non-use state, by tilting the trolley frame, the support wheel 6 is in contact with the ground, the stop block 1 is lifted, the flexible transfer of the device can be realized, in the use state, the bottom surface of the stop block is supported on the ground, the two stop blocks are respectively located on the two sides of the vehicle, the screw rod 4 is rotated by rotating the adjusting shaft 3, the screw rod 4 can drive the two stop blocks to move by the driving sleeve 5, the use of different sizes of wheels is realized, and the use range is expanded.

[0041] By the stop block 1 on the stop block, the two sides of the wheel are in contact, the two-way stop design is used, the two stop blocks 1 on the two sides can effectively stop the movement of the vehicle by the friction force, and the safety risk caused by the sudden driving of the parking is solved.

[0042] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the description of the present application.

Claims

1. A portable safety anti-skid device, characterized in that: The utility model provides a stopper block (1) is arranged in parallel to two, and the opposite end surface of two stopper block (1) is equipped with the stopper inclined surface that is gradually expanded, two stopper block (1) is installed on the trolley frame, two support wheels (6) are arranged in parallel on the trolley frame and rotate, when the bottom surface of two stopper block (1) is pasted with ground, two support wheels (6) are separated from ground, and the driving structure for driving two stopper block (1) to move towards or opposite is equipped on the trolley frame.

2. The portable safety slip resistant device of claim 1, wherein: The stopper inclined surface is fixedly connected with a rubber non-slip pad (2) in close contact.

3. The portable safety skid prevention device of claim 2, wherein: The driving structure comprises a horizontally rotating screw rod (4), two external thread sections with opposite rotation directions are arranged on the screw rod (4), a driving sleeve (5) is threadedly connected to each external thread section, and the driving sleeve (5) is connected to the side wall of the stopper block (1) through a guide structure.

4. The portable safety skid prevention device of claim 3, wherein: The guide structure comprises a guide column (11) arranged on one side of the screw rod (4), a guide sleeve (12) is slidingly sleeved on the guide column (11) and corresponds to the driving sleeve (5), a connecting rod (13) is fixedly connected between the guide sleeve (12) and the top of the driving sleeve (5), and one end of the connecting rod (13) is also fixedly connected to the side wall of the stopper block (1).

5. The portable safety skid prevention device of claim 4, wherein: The trolley frame comprises two side rods (7) arranged in parallel, and the two ends of the screw rod (4) are rotatably installed on the inner walls of the two side rods (7) close to the lower end portions.

6. The portable safety skid prevention device of claim 5, wherein: The lower end portion of the side rod (7) is horizontally fixedly connected with a cross rod (14) on the side wall of the stopper block (1), and the end portion of the guide column (11) is fixedly connected to the other end of the cross rod (14).

7. The portable safety skid prevention device of claim 6, wherein: A plurality of reinforcing rods (8) are fixedly connected between the two side rods (7) in parallel from top to bottom, a plurality of the reinforcing rods (8) are rotatably installed with an adjusting shaft (3) in common, the lower end portion of the adjusting shaft (3) is fixedly connected with a driving bevel gear (15), and the position close to the middle of the screw rod (4) is fixedly connected with a driven bevel gear (16) matched with the driving bevel gear (15).

8. The portable safety skid prevention device of claim 7, wherein: The upper end portion of the adjusting shaft (3) is fixedly connected with a crank handle (9).

9. The portable safety skid prevention device of claim 8, wherein: The upper end portion of the side rod (7) is fixedly connected with a handle (10) on the side away from the stopper block (1) and inclined upward.

10. The portable safety skid prevention device of claim 9, wherein: The support wheel (6) is rotatably installed on the outer wall of the side rod (7) close to the lower end portion.

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