Adjustable curb mounting tool

Abstract

The utility model relates to the field of road construction, and discloses an adjustable curb installation tool which comprises a moving part and a hoisting part, the moving part comprises two wheels, a supporting rod and a push rod, the two wheels are rotationally connected through a transverse shaft, the push rod stretches across the transverse shaft, the supporting rod is fixedly connected between the push rod and the transverse shaft, the height of the supporting rod is adjustable, and the supporting rod can be detached into two parts; the push rod is adjustable in length and can be detached into two parts; the lifting part comprises a rotatable lifting hook, a herringbone lifting frame, an X-shaped linkage rod capable of being opened and closed and a clamp. The adjustable curb installation support is simple in structure, high in practicability, adjustable in height and length direction, detachable, convenient to store and transport, and suitable for installation work of curbs of various specifications under different construction conditions.

Description

Technical Field

[0001] The utility model relates to the field of road construction, in particular to an adjustable curbstone installation tool. Background Art

[0002] In municipal road construction, curbstones serve as the boundary between lanes and sidewalks, lanes and parking spaces, and lanes and green belts, and they play a role in regulating the scope of the road surface and protecting the edge of the road. The structure of curbstones is generally long and large in size, and its material is generally natural stone and cement concrete, so its weight is also heavy. When transporting curbstones to the construction site, large and medium-sized machinery such as cranes and forklifts can be used for loading and unloading, but when transporting and installing curbstones at construction sites with limited space, manual labor is required. Since a curbstone can weigh tens of kilograms or even hundreds of kilograms, it requires at least two people to use iron hooks or ropes to move it to the installation location. This process is time-consuming and labor-intensive, and there is a risk of it falling, resulting in damage to the materials and even injuries to construction workers.

[0003] The Chinese utility model patent with publication number CN210454846U discloses a curbstone transport vehicle, including a cart device and a lifting device. The cart device includes rollers, support rods, and push rods. The lifting device includes a lifting rope, a lifting rod, and a clamping part. The lifting device is used to lift large curbstones, and the handling and relocation work is completed by the cart device. Although the transport vehicle solves some difficulties in the process of manual handling and installation of curbstones, in actual installation and construction, because the specifications of the curbstones used are different and the size difference is large, the length range can range from 45cm to 100cm, and the height range can range from 20cm to 60cm. Therefore, this type of transport vehicle cannot adapt to the handling and installation of curbstones of various specifications, and the transport vehicle is long in length, making its body inconvenient to store and transport. Utility Model Content

[0004] In order to solve the above deficiencies in the prior art, the utility model aims to provide an adjustable curb installation tool, so as to achieve the purpose of installing curbs of different sizes and specifications, and the tool itself is detachable for easy transportation.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is as follows: an adjustable curb installation tool, including a moving part and a lifting part, the moving part includes wheels, support rods, and a push rod, there are two wheels and are rotatably connected by a transverse axis, the push rod spans the transverse axis and is fixedly connected with a support rod between the transverse axis, and the lifting part is arranged at one end of the push rod; the support rod includes a fixed support rod and an adjustable support rod sleeved therewith, a height adjustment device is arranged between the fixed support rod and the adjustable support rod, the fixed support rod is fixedly connected to the transverse axis, and the adjustable support rod is fixedly connected to the push rod; the push rod includes a front end fixed arm and a rear end telescopic arm sleeved therewith, and a length adjustment device is arranged between the front end fixed arm and the rear end telescopic arm.

[0006] As a limitation of the present utility model: the height adjustment device includes a first adjustment hole and a first adjustment bolt. The fixed support rod is provided with several groups of first adjustment holes in its height direction. The adjustable support rod is provided with a group of first adjustment holes. The first adjustment hole is provided with a first adjustment bolt for fixing the position of the first adjustment hole.

[0007] As a limitation of the present utility model: the length adjustment device includes a second adjustment hole and a second adjustment bolt, the rear end telescopic arm is provided with several groups of second adjustment holes in its length direction, the front end fixed arm is provided with a group of second adjustment holes, and the second adjustment hole is provided with a second adjustment bolt for fixing the position of the second adjustment hole.

[0008] As a limitation of the present utility model: the height adjustment device is a first seat tube clamp arranged at the sleeve position of the fixed support rod and the adjustable support rod.

[0009] As a limitation of the present invention: the length adjustment device is a second seat tube clamp provided at the joint of the front fixed arm and the rear telescopic arm.

[0010] As a limitation of the present invention: lower reinforcing diagonal braces fixedly connected to the horizontal axis are provided on both sides of the fixed support rod near the horizontal axis end, and upper reinforcing diagonal braces fixedly connected to the push rod are provided on both sides of the adjustable support rod near the push rod end.

[0011] As a limitation of the present invention: a handhold is provided at one end of the rear end telescopic arm.

[0012] As a limitation of the present utility model: the lifting part includes a rotatable hook, a herringbone hanger, an expandable and contractable X-shaped connecting rod, and a clamp which are arranged in sequence from top to bottom. The rotatable hook is fixedly arranged at one end of the push rod, the upper end of the herringbone hanger is hung on the rotatable hook, the lower end of the herringbone hanger is movably connected to the upper end of the expandable and contractable X-shaped connecting rod, and the clamp is fixedly arranged at the lower end of the expandable and contractable X-shaped connecting rod.

[0013] As a limitation to the present utility model: the herringbone hanger is two long round steel bars.

[0014] As a limitation of the present invention: the clamp is a set of L-shaped slots, the center positions of the L-shaped slots in the length direction are respectively fixedly connected to the lower ends of the expandable and contractible X-shaped connecting rods, the openings of the L-shaped slots are arranged relatively, and a rubber layer is provided in the L-shaped slots.

[0015] Due to the adoption of the above technical scheme, the utility model has the following beneficial effects compared with the prior art: the support rod in the height direction of the utility model is set to be height-adjustable, which can adapt to the installation of curbstones of different specifications under different construction environments, the length of the push rod at the end close to the construction personnel is adjustable, which is convenient for personnel to adjust in time at close range, and the rear end telescopic arm belongs to the power arm with small force in the lever structure, and the length adjustment device is set here to make the equipment not easy to be damaged. At the same time, the support rod and the push rod can be quickly disassembled and assembled, which greatly facilitates their own storage and transportation. In the hoisting part, the herringbone hanger as a force transmission structure is round steel instead of flexible materials such as chains and ropes, which is more conducive to the transmission of force, so that the clamp clamping the curbstone is not easy to fall. The hook can rotate 360 ​​degrees, which is convenient for adjusting the lifting and placement direction of the curbstone and the installation angle. In summary, the utility model is highly practical and easy to operate, and is suitable for the installation of curbstones of various specifications. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of Example 1 of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the support rod of Example 1 of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the push rod in Example 1 of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the hoisting part of Embodiment 1 of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the support rod of Embodiment 2 of the utility model;

[0022] Figure 6 This is a schematic diagram of the structure of the push rod of Example 2 of the utility model.

[0023] In the figure: 1-wheel, 2-support rod, 21-fixed support rod, 22-adjustable support rod, 23-first adjustment hole, 24-first adjustment bolt, 25-first seat tube clamp, 26-first notch, 3-push rod, 31-front end fixed arm, 32-rear end telescopic arm, 33-second adjustment hole, 34-second adjustment bolt, 35-second seat tube clamp, 36-second notch 4-transverse axis, 51-lower reinforcement diagonal brace, 52-upper reinforcement diagonal brace, 6-hoisting part, 7-rotatable hook, 8-herringbone hanger, 9-X-type connecting rod, 10-clamp. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the embodiments described here are preferred embodiments, which are only used to illustrate and explain the present invention and do not constitute a limitation on the present invention.

[0025] The directional terms or positional relationships such as "up", "down", "left" and "right" described in the present invention are based on the directional relationships in the drawings of the present invention specification and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the content protected by the present invention.

[0026] Embodiment 1 An adjustable curb installation tool

[0027] In this embodiment, Figures 1 to 4 As shown, an adjustable curb installation tool includes a moving part and a lifting part. Specifically, the moving part includes a wheel 1, a support rod 2, and a push rod 3. There are two wheels 1 and they are rotatably connected by a transverse axis 4. The push rod 3 spans the transverse axis 4 and is fixedly connected to the vertical support rod 2 between the transverse axis 4. A lever structure is formed between the push rod 3, the support rod 2, and the wheel 1.

[0028] A height-adjustable device is provided in the height direction of the support rod 2, such as Figure 2As shown, specifically, the support rod 2 includes a fixed support rod 21 and an adjustable support rod 22 that is sleeved and connected thereto. In this embodiment, the lower end of the fixed support rod 21 is fixedly connected to the horizontal axis 4, and the upper end of the adjustable support rod 22 is fixedly connected to the push rod 3. The adjustable support rod 22 is sleeved outside the fixed support rod 21. Of course, the fixed support rod 21 can also be sleeved outside the adjustable support rod 22. A height adjustment device is provided between the fixed support rod 21 and the adjustable support rod 22. Specifically, a plurality of groups of first adjustment holes 23 are provided in the height direction of the fixed support rod 22. The adjustable support rod 21 is provided with a group of first adjustment holes 23. The first adjustment holes 23 are provided with first adjustment bolts 24 inserted to fix the positions of the first adjustment holes 23. By selecting to fix the first adjustment bolts 24 in the first adjustment holes 23 of different heights, the height of the support rod 2 can be adjusted, thereby realizing the overall height adjustment of the utility model. At the same time, the fixed support rod 21 and the adjustable support rod 22 can be split into two parts, and the part with the push rod 3 and the part with the wheel 1 are separated.

[0029] The support rod 2 is also provided with an upper reinforcing diagonal brace 52 and a lower reinforcing diagonal brace 51 of a stabilizing device. Specifically: the fixed support rod 21 is provided with lower reinforcing diagonal braces 51 fixedly connected to the transverse axis 4 on both sides near the transverse axis end, and the two lower reinforcing diagonal braces 51 and the transverse axis 4 form a stable triangular structure; the adjustable support rod 22 is provided with upper reinforcing diagonal braces 52 fixedly connected to the push rod 3 on both sides near the push rod end, and the two upper reinforcing diagonal braces 52 and the push rod 3 form a stable inverted triangle structure.

[0030] The push rod 3 includes a front fixed arm 31 and a rear telescopic arm 32 which is sleeved and connected thereto, and the front fixed arm 31 is fixedly connected to the support rod 2. A length adjustment device of a second adjustment hole 33 and a second adjustment bolt 34 for adjusting the length of the push rod is provided between the front fixed arm 31 and the rear telescopic arm 32. Specifically, in this embodiment, the front fixed arm 31 is sleeved outside the rear telescopic arm 32, and of course, the rear telescopic arm 32 can also be sleeved outside the front fixed arm 31. The rear telescopic arm 32 is provided with a plurality of groups of second adjustment holes 33 in its length direction, and the front fixed arm 31 is provided with a group of second adjustment holes 33. The second adjustment holes 33 are provided with second adjustment bolts 34 which are inserted into and fixed the positions of the second adjustment holes 33. The length of the push rod 3 can be adjusted by selectively fixing the second adjustment bolts 34 in the second adjustment holes 33 at different positions. The length adjustment device of the push rod 3 is provided at the lever power arm close to the construction personnel, which is conducive to timely adjustment at close range on the one hand, and the force on the lever power arm is small on the other hand, so that the equipment is not easily damaged. In a location with limited space, the push rod 3 can be shortened for use, and in a location with large space, the push rod 3 can be extended for use. When not in use, the push rod 3 can be retracted to the shortest or disassembled for easy storage or transportation.

[0031] A conventional handhold (not shown) is provided at one end of the rear telescopic arm 32 to facilitate operation by workers.

[0032] The hoisting part 6 is arranged at one end of the front fixed arm 31 away from the handhold part, and is used to hoist the curbstone. The hoisting part 6 includes a rotatable hook 7, a herringbone hanger 8, an openable X-shaped linkage rod 9, and a clamp 10 arranged in sequence from top to bottom. Figure 4 As shown, the rotatable hook 7 is fixed on the front fixed arm 31 through a fixing ring. Of course, the rotatable hook 7 can also be directly fixed on the front fixed arm 31. The herringbone hanger 8 includes two long round steel bars. The upper ends of the two long round steel bars are provided with a ring hanging on the rotatable hook 7 to form a movable openable and closable structure. The lower ends of the two long round steel bars are also provided with a ring and are movably connected with the ring provided on the upper end of the X-shaped connecting rod 9 that can be opened and closed. The herringbone hanger 8 and the X-shaped connecting rod 9 that can be opened and closed form a force transmission structure. The clamp 10 is a group of L-shaped slots relatively arranged at the lower end of the X-shaped connecting rod 9, which are used to clamp the curb. Specifically, the center position of the L-shaped slot in the length direction is fixedly connected to the lower end of the X-shaped connecting rod that can be opened and closed, so that one side of the L-shaped slot is horizontal and the other side is vertical and facing the inner opening, and can be clamped on the two right-angled sides of the upper surface of the curb to clamp the curb. A rubber layer (not shown) is provided in the L-shaped slot, which can prevent the curb from being scratched by the L-shaped slot and leave scratches, and can also increase the friction between the L-shaped slot and the curb. Of course, the clamp 10 can also be set as other conventional means to clamp the curb. When not in use, the herringbone hanger 8, the openable X-shaped linkage rod 9, and the clamp 10 can be removed from the rotatable hook 7 as a whole for easy carrying and storage.

[0033] When using this embodiment, the height of the support rod 2 and the length of the push rod 3 are adjusted according to the size of the curb and the size of the construction space, and the installation tool is moved to the curb so that the lifting part 6 is above the curb. Then, the front end of the push rod 3 is lifted, and the two longer right-angled sides on the upper surface of the curb are clamped with the L-shaped slot, and then the position of the L-shaped slot is fine-tuned so that the L-shaped slot is clamped in the center position of the upper surface of the curb; the handhold is pressed down to make the lifting part 6 rise, and the rotatable hook 7 and the herringbone hanger 8 are subjected to force, and the herringbone hanger When 8 is tightened, the expandable X-shaped connecting rod 9 drives the clamp 10 to clamp and lift the curbstone, and the push rod 3 is controlled to move the curbstone to the installation position. After the curbstone is aligned with the installation position, the handrail is gently lifted to make the hoisting part 6 droop, and the rotatable hook 7 and the herringbone hanger 8 are no longer under force. At this time, the expandable X-shaped connecting rod 9 is released, and the L-shaped slot releases the curbstone, and the installation operation can be completed. During the installation process, the rotatable hook 7 can be adjusted to ensure that the curbstone is placed in the correct position.

[0034] Example 2 An adjustable curb installation tool

[0035] In this embodiment, Figure 5 , Figure 6 As shown, the difference between this embodiment and embodiment 1 is that the height adjustment device of the support rod 2 and the length adjustment device of the push rod 3 adopt an adjustable and detachable seat tube clamp.

[0036] A first seat tube clamp 25 is provided at the fitting position of the fixed support rod 21 and the adjustable support rod 22. Specifically, Figure 5 As shown, the adjustable support rod 22 is sleeved on the outside of the fixed support rod 21, and a first notch 26 is provided at the open end of the adjustable support rod 22. A first seat tube clamp 25 is provided at the first notch 26. The first seat tube clamp 25 is a common component that controls the opening size by rotating an eccentric cylinder. The first seat tube clamp 25 can clamp the first notch 26 to prevent the adjustable support rod 22 and the fixed support rod 21 from sliding and rotating, thereby fixing the height of the support rod, that is, by loosening or tightening the first seat tube clamp 25, the height of the support rod 2 can be adjusted, or the fixed support rod 21 and the adjustable support rod 22 can be split into two parts.

[0037] A second seat tube clamp 35 is provided at the joint of the front fixed arm 31 and the rear telescopic arm 32. Specifically, Figure 6 As shown, the front end fixed arm 31 is sleeved on the outside of the rear end telescopic arm 32, and a second notch 36 is opened at the open end of the front end fixed arm 31. A second seat tube clamp 35 is arranged at the first notch 36. The structure of the second seat tube clamp 35 is the same as that of the first seat tube clamp. The second seat tube clamp 35 can clamp the second notch 36 to prevent the front end fixed arm 31 and the rear end telescopic arm 32 from sliding and rotating, thereby fixing the length of the push rod 3. That is, by loosening or tightening the second seat tube clamp 35, the length of the push rod 3 can be adjusted, or the front end fixed arm 31 and the rear end telescopic arm 32 can be split into two parts.

[0038] When using this embodiment, the height of the support rod 2 and the length of the push rod 3 are adjusted according to the size of the curb and the size of the construction space, and the installation tool is moved to the curb so that the lifting part 6 is above the curb. Then, the front end of the push rod 3 is lifted, and the two longer right-angled sides on the upper surface of the curb are clamped with the L-shaped slot, and then the position of the L-shaped slot is fine-tuned so that the L-shaped slot is clamped in the center position of the upper surface of the curb; the handhold is pressed down to make the lifting part 6 rise, and the rotatable hook 7 and the herringbone hanger 8 are subjected to force, and the herringbone hanger When the frame 8 is tightened, the expandable X-shaped connecting rod 9 drives the clamp 10 to clamp and lift the curbstone, and the push rod 3 is controlled to move the curbstone to the installation position. After the curbstone is aligned with the installation position, the handrail is gently lifted to make the hoisting part 6 droop, and the rotatable hook 7 and the herringbone hanger 8 are no longer under force. At this time, the expandable X-shaped connecting rod 9 is loosened, and the L-shaped slot releases the curbstone, and the installation operation can be completed. During the installation process, the rotatable hook 7 can be adjusted to ensure that the curbstone is placed in the correct position.

Claims

1. An adjustable curb installation tool, comprising a moving part and a hoisting part, wherein the moving part comprises wheels, a support rod and a push rod, wherein the wheels are two and are rotatably connected by a transverse axis, the push rod spans the transverse axis and is fixedly connected to the support rod between the transverse axis, and the hoisting part is arranged at one end of the push rod, and is characterized in that: The support rod includes a fixed support rod and an adjustable support rod sleeved therewith, a height adjustment device is provided between the fixed support rod and the adjustable support rod, the fixed support rod is fixedly connected to the horizontal axis, and the adjustable support rod is fixedly connected to the push rod; the push rod includes a front end fixed arm and a rear end telescopic arm sleeved therewith, a length adjustment device is provided between the front end fixed arm and the rear end telescopic arm.

2. The adjustable curb installation tool according to claim 1, characterized in that: The height adjustment device includes a first adjustment hole and a first adjustment bolt. The fixed support rod is provided with several groups of first adjustment holes in its height direction. The adjustable support rod is provided with a group of first adjustment holes. The first adjustment holes are provided with first adjustment bolts for fixing the positions of the first adjustment holes.

3. The adjustable curb installation tool according to claim 1, characterized in that: The length adjustment device includes a second adjustment hole and a second adjustment bolt. The rear telescopic arm is provided with several groups of second adjustment holes in its length direction, and the front fixed arm is provided with a group of second adjustment holes. The second adjustment holes are provided with second adjustment bolts for fixing the positions of the second adjustment holes.

4. The adjustable curb installation tool according to claim 1, characterized in that: The height adjustment device is a first seat tube clamp arranged at the sleeve position of the fixed support rod and the adjustable support rod.

5. The adjustable curb installation tool according to claim 1, characterized in that: The length adjustment device is a second seat tube clamp arranged at the sleeve joint of the front fixed arm and the rear telescopic arm.

6. An adjustable curb installation tool according to any one of claims 1 to 5, characterized in that: The fixed support rod is provided with lower reinforcing diagonal braces fixedly connected to the transverse axis on both sides close to the transverse axis end, and the adjustable support rod is provided with upper reinforcing diagonal braces fixedly connected to the push rod on both sides close to the push rod end.

7. The adjustable curb installation tool according to claim 6, characterized in that: One end of the rear end telescopic arm is provided with a handhold.

8. The adjustable curb installation tool according to claim 1, characterized in that: The hoisting part includes a rotatable hook, a herringbone hanger, an expandable and contractable X-shaped connecting rod, and a clamp which are arranged in sequence from top to bottom. The rotatable hook is fixedly arranged at one end of the push rod, the upper end of the herringbone hanger is hung on the rotatable hook, the lower end of the herringbone hanger is movably connected to the upper end of the expandable and contractable X-shaped connecting rod, and the clamp is fixedly arranged at the lower end of the expandable and contractable X-shaped connecting rod.

9. The adjustable curb installation tool according to claim 8, characterized in that: The herringbone hanger is two long round steel bars.

10. The adjustable curb installation tool according to claim 8, characterized in that: The clamp is a group of L-shaped slots, the center positions of the L-shaped slots in the length direction are respectively fixedly connected to the lower ends of the openable and closable X-shaped linkage rods, the openings of the L-shaped slots are arranged opposite to each other, and a rubber layer is arranged in the L-shaped slots.

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