阅读说明：本技术 一种道路施工用电缆保护装置 (Cable protection device for road construction ) 是由 祖林海 王瑞 王超 宋洪富 周晓曼 路兴平 贾翠庆 张玉龙 梁晓 田忠禹 于 2020-07-29 设计创作，主要内容包括：本发明公开了一种道路施工用电缆保护装置,包括底座、顶板,所述底座上部两侧对称地设有支撑块,支撑块截面为三角形,两侧的支撑块间形成线缆槽,电缆放置在线缆槽内部,所述顶板通过螺栓可拆卸地安装在底座上部；所述支撑块一端设有插接孔,支撑块另一端设有与插接孔对应的插接柱,且插接柱与插接孔过盈配合；两端的支撑块一侧设有固定块,固定块上设有螺纹孔,所述螺纹孔内部设有第一升降杆,第一升降杆下部设有滚轮。本发明在底座上设置了线缆槽,施工时将电缆放置在线缆槽内部,避免了线缆的磨损,在底座下部两端设置了滚轮,便于电缆保护装置的移动。(The invention discloses a cable protection device for road construction, which comprises a base and a top plate, wherein supporting blocks are symmetrically arranged on two sides of the upper part of the base, the cross sections of the supporting blocks are triangular, a cable groove is formed between the supporting blocks on the two sides, a cable is placed in the cable groove, and the top plate is detachably arranged on the upper part of the base through bolts; one end of the supporting block is provided with an inserting hole, the other end of the supporting block is provided with an inserting column corresponding to the inserting hole, and the inserting column is in interference fit with the inserting hole; one side of the supporting block at two ends is provided with a fixed block, the fixed block is provided with a threaded hole, a first lifting rod is arranged in the threaded hole, and the lower part of the first lifting rod is provided with a roller. The cable groove is formed in the base, the cable is placed in the cable groove during construction, abrasion of the cable is avoided, and the rollers are arranged at the two ends of the lower portion of the base, so that the cable protection device can move conveniently.)

1. A cable protection device for road construction comprises a base and a top plate, wherein supporting blocks are symmetrically arranged on two sides of the upper portion of the base, the cross sections of the supporting blocks are triangular, a cable groove is formed between the supporting blocks on the two sides, and a cable is placed in the cable groove; one end of the supporting block is provided with an inserting hole, the other end of the supporting block is provided with an inserting column corresponding to the inserting hole, and the inserting column is in interference fit with the inserting hole; one side of the supporting block at two ends is provided with a fixed block, the fixed block is provided with a threaded hole, a first lifting rod is arranged in the threaded hole, and the lower part of the first lifting rod is provided with a roller.

2. The cable protector for road construction according to claim 1, wherein a plurality of anti-slip protrusions are provided on a lower portion of the base.

3. The cable protection device for road construction according to claim 1, wherein sliding grooves are symmetrically formed in the cable groove at two sides, an elevating block is arranged in each sliding groove, a second elevating rod is connected to the center of each elevating block through a screw thread, clamping plates are arranged at the bottom of each sliding groove and one side of each elevating block, and the cable is arranged in a gap between the two clamping plates.

4. The cable protection device for road construction according to claim 3, wherein a clamping plate is fixedly connected to the right-side lifting block, a telescopic groove is formed in the clamping plate, the clamping plate is installed in the telescopic groove of the clamping plate in a clearance manner, a fixing groove is formed in the bottom of the cable groove, the sliding groove is formed in the upper portion of the fixing groove, a first sliding block is arranged on the lower portion of the sliding groove, the first sliding block is movably installed in the fixing groove, a connecting block is arranged on one side of the first sliding block, the connecting blocks on the two sides are connected through a threaded rod, the threaded rod is a double-headed screw, the thread directions of the two ends are opposite, and a hand wheel is arranged in; limiting plates are arranged at two ends of the threaded rod.

5. A cable protector for road construction according to any one of claims 1-4, wherein a support bar is provided on one side of the top plate, and a warning plate is provided on the upper end of the support bar; and the warning board is provided with a reflective sheet.

6. The cable protection device for road construction according to claim 5, wherein the support rod is a screw rod, a threaded sleeve is connected to the exterior of the support rod in a threaded manner, the warning plate is installed on the top of the threaded sleeve, and a support column is arranged outside the threaded sleeve.

7. The cable protection device for road construction according to claim 6, wherein a fixing plate is provided on the upper portion of the threaded sleeve, a locking groove is provided on the fixing plate, and a locking block is provided on the lower portion of the warning plate, and the locking block is detachably mounted inside the locking groove.

8. A cable protector for road construction according to claim 6, wherein the lower part of the supporting column is provided with a hollow block, one end of the hollow block is provided with a movable rod, one end of the movable rod is provided with a handle, the other end of the movable rod is provided with a driving wheel, one side of the driving wheel is provided with a driven wheel engaged with the driving wheel, and the lower end of the supporting rod is fixedly mounted on the driven wheel.

9. The cable protection device for road construction according to claim 8, wherein locking blocks are symmetrically arranged at the lower part of the hollow block, a locking groove is arranged at one side of each locking block, an installation groove is arranged in the top plate, a movable block is slidably arranged in the installation groove, a wrench is arranged at one side of each movable block, inserting plates are oppositely arranged on the movable blocks at two sides and are inserted in the locking grooves, a second spring is arranged at one side of each movable block, and the other end of each second spring is fixedly connected with the installation groove; the inserting plate and the locking groove form a detachable structure.

10. The cable protector for road construction according to claim 1, wherein a sloping plate is provided at one side of the supporting block, hinges are provided at both ends of the lower portion of the base, the lower end of the sloping plate is hinged to the hinges, a plurality of first springs are provided at one side of the sloping plate, one ends of the first springs are fixedly connected to the inner wall of the sloping plate, and the other ends of the first springs are fixedly connected to the outer wall of the supporting block.

Technical Field

The invention belongs to the technical field of cable construction, and particularly relates to a cable protection device for road construction.

Background

The cable is an electric energy or signal transmission device, usually comprises several or several groups of wire, and the cable has been laid to the side of present road basically, when the cable crossed the road, because rolling of vehicle, causes the cable wearing and tearing even the phenomenon of pressing apart easily, and then arouses a series of troubles, for this reason the present case designs a cable protection device for road construction.

Present traditional cable protection device still has certain not enough in being convenient for remove, when needs remove the device, appears the comparatively difficult problem of protection device removal easily, needs to have the device of being convenient for remove, and can fix the cable of the different specifications of multiunit, and convenience of customers dismantles the cable protection device of installation regulation to it.

To solve the existing problems, innovation is urgently needed on the basis of the original cable protection device. .

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide a cable protection device for road construction.

In order to achieve the purpose, the invention adopts the technical scheme that:

a cable protection device for road construction comprises a base and a top plate, wherein supporting blocks are symmetrically arranged on two sides of the upper portion of the base, the cross sections of the supporting blocks are triangular, so that the supporting stability of the supporting blocks is guaranteed, a cable groove is formed between the supporting blocks on the two sides, a cable is placed in the cable groove, the top plate is detachably mounted on the upper portion of the base through bolts, and the cable in the cable groove is convenient to maintain due to the detachable structure of the top plate; one end of the supporting block is provided with an inserting hole, the other end of the supporting block is provided with an inserting column (not shown in the figure) corresponding to the inserting hole, the inserting column is in interference fit with the inserting hole, a proper number of cable protection devices are selected according to the width of a road, and the cable protection devices are sequentially inserted, so that the application range of the cable protection devices is expanded; supporting shoe one side at both ends is equipped with the fixed block, is equipped with the screw hole on the fixed block, the inside first lifter that is equipped with of screw hole, first lifter lower part is equipped with the gyro wheel, and when cable protection device need remove, installs first lifter in the screw hole to the height of adjustment gyro wheel makes base lower part and road separation, promotes cable protection device and removes.

As a further optimization of the technical scheme, the lower part of the base is provided with a plurality of anti-skid protrusions, the anti-skid protrusions increase the friction force between the base and a road, and the stability of the cable protection device is guaranteed.

As a further optimization of the technical scheme, sliding grooves are symmetrically formed in two sides of the inner portion of the cable groove, lifting blocks are arranged inside the sliding grooves, a second lifting rod is connected to the center of each lifting block in a threaded mode, clamping plates are arranged at the bottom of each sliding groove and on one side of each lifting block, cables are arranged inside gaps of the two clamping plates, the clamping plates are used for arranging the cables, the cable arrangement performance is guaranteed, the positions of the lifting blocks are adjusted by rotating the second lifting rods, the distance between the two clamping plates is adjusted, and the cable arranging device is suitable for cables of different specifications and quantities.

As a further optimization of the technical scheme, a clamping plate is fixedly connected to the right-side lifting block, a telescopic groove is formed in the clamping plate, the clamping plate is mounted in the telescopic groove of the clamping plate in a clearance manner, a fixed groove is formed in the bottom of the cable groove, the sliding groove is formed in the upper portion of the fixed groove, a first sliding block is arranged on the lower portion of the sliding groove and movably mounted in the fixed groove, a connecting block is arranged on one side of the first sliding block, the connecting blocks on the two sides are connected through a threaded rod, the threaded rod is a double-headed screw rod, the rotating directions of threads on the two ends are opposite, and a; the threaded rod is driven to rotate by rotating the hand wheel, so that the first sliding block is driven to slide in the fixed groove, the first sliding block drives the sliding grooves to slide, the distance between the sliding grooves on two sides is adjusted, and the cable fixing device is suitable for cables of different specifications and quantities; limiting plates are arranged at two ends of the threaded rod, the limiting plates limit the movement range of the first sliding block, and the first sliding block is prevented from being separated from the threaded rod.

As a further preference of the technical scheme, one side of the top plate is provided with a support rod, the upper end of the support rod is provided with a warning plate, and the warning plate is used for prompting the construction of a road cable, so that the safety of construction and road traffic is enhanced; the warning board is provided with the reflective sheet, so that the warning effect of construction at night is enhanced.

As a further preferred option of this technical scheme, the bracing piece is the lead screw, the outside threaded connection of bracing piece has the swivel nut, the top at the swivel nut is installed to the warning board, the swivel nut outside is equipped with the support column, and the lead screw and swivel nut are convenient for adjust the height of warning board.

As a further preferred option of this technical scheme, swivel nut upper portion is equipped with the fixed plate, be equipped with the draw-in groove on the fixed plate, warning board lower part is equipped with the fixture block, and fixture block detachably installs inside the draw-in groove, and the dismantlement of the board of being convenient for warn is maintained and is changed.

As a further preferred of this technical scheme, the support column lower part is equipped with hollow block, hollow block one end is equipped with the movable rod, and movable rod one end is equipped with the handle, and the movable rod other end is equipped with the action wheel, action wheel one side is equipped with the driven driving wheel of meshing with it, and the bracing piece lower extreme is installed fixedly from the driving wheel, and the action wheel that twist grip drove movable rod one end rotates, and the action wheel drives the bracing piece rotation from driving wheel upper end to the angle of adjustment warning board has strengthened the warning scope of warning board.

As a further preference of the technical scheme, locking blocks are symmetrically arranged at the lower part of the hollow block, a locking groove is formed in one side of each locking block, an installation groove is formed in the top plate, a movable block is slidably arranged in the installation groove, a wrench is arranged on one side of each movable block, inserting plates are oppositely arranged on the movable blocks on the two sides and are inserted into the locking grooves, a second spring is arranged on one side of each movable block, and the other end of the second spring is fixedly connected with the installation groove; the inserting plate and the lock groove form a detachable structure, and the second spring ensures the stability of locking the inserting plate and the lock groove; when the warning board needs to be detached, the spanner is pulled outwards to separate the inserting board from the locking groove, and then the warning board is pulled up.

As a further preference of the technical scheme, an inclined plate is arranged on one side of the supporting block, hinged joints are arranged at two ends of the lower part of the base, the lower end of the inclined plate is hinged with the hinged joints, a plurality of first springs are arranged on one side of the inclined plate, one ends of the first springs are fixedly connected with the inner wall of the inclined plate, and the other ends of the first springs are fixedly connected with the outer wall of the supporting block; when the inclined plate is under pressure, the inclined plate drives the spring to compress, so that the device has a certain buffering effect, and simultaneously, the bumping feeling of the vehicle passing through the device can be reduced.

The invention has the beneficial effects that:

1) the cable groove is formed in the base, the cable is placed in the cable groove during construction, abrasion of the cable is avoided, and the rollers are arranged at the two ends of the lower portion of the base, so that the cable protection device can move conveniently.

2) The lower part of the base is provided with a plurality of anti-skid protrusions, the anti-skid protrusions increase the friction force between the base and a road, and the stability of the cable protection device is ensured

3) The inside bilateral symmetry of cable inslot is equipped with the spout, the inside elevator that is equipped with of spout, elevator center department threaded connection has the second lifter, spout bottom and elevator one side all are equipped with the cardboard, the cable setting is inside the clearance of two cardboards, the cardboard is managed the cable, the regularity of cable has been guaranteed, and the position through rotating second lifter adjustment lifter, thereby adjust the interval of two cardboards, be applicable to the cable use of different specifications and quantity.

4) The right lifting block is fixedly connected with a clamping plate, a telescopic groove is formed in the clamping plate, the clamping plate is arranged in the telescopic groove of the clamping plate in a clearance mode, a fixed groove is formed in the bottom of a cable groove, the sliding groove is formed in the upper portion of the fixed groove, a first sliding block is arranged on the lower portion of the sliding groove and movably arranged in the fixed groove, a connecting block is arranged on one side of the first sliding block, the connecting blocks on the two sides are connected through a threaded rod, the threaded rod is a double-headed screw rod, the rotating directions of threads at the two; the threaded rod is driven to rotate by rotating the hand wheel, so that the first sliding block is driven to slide in the fixed groove, the first sliding block drives the sliding grooves to slide, the distance between the sliding grooves on two sides is adjusted, and the cable fixing device is suitable for cables of different specifications and quantities; limiting plates are arranged at two ends of the threaded rod, the limiting plates limit the movement range of the first sliding block, and the first sliding block is prevented from being separated from the threaded rod.

5) A supporting rod is arranged on one side of the top plate, and a warning plate is arranged at the upper end of the supporting rod and used for prompting the construction of a road cable, so that the safety of construction and road traffic is enhanced; the warning board is provided with the reflective sheet, so that the warning effect of construction at night is enhanced.

6) The support rod is a lead screw, the thread on the outer portion of the support rod is connected with a threaded sleeve, the warning plate is installed at the top of the threaded sleeve, a support column is arranged on the outer portion of the threaded sleeve, and the lead screw and the threaded sleeve are convenient to adjust the height of the warning plate.

7) The upper portion of the threaded sleeve is provided with a fixing plate, the fixing plate is provided with a clamping groove, the lower portion of the warning plate is provided with a clamping block, and the clamping block is detachably mounted inside the clamping groove, so that the warning plate is convenient to detach, maintain and replace.

8) The support column lower part is equipped with hollow block, and hollow block one end is equipped with the movable rod, and movable rod one end is equipped with the handle, and the movable rod other end is equipped with the action wheel, and action wheel one side is equipped with the follow driving wheel of meshing with it, and the bracing piece lower extreme is installed fixedly from the driving wheel, and the action wheel that the rotating handle drove movable rod one end rotates, and the action wheel drives the bracing piece rotation from the driving wheel upper end to the angle of adjustment warning board has strengthened the warning scope of warning board.

9) The lower part of the hollow block is symmetrically provided with locking blocks, one side of each locking block is provided with a locking groove, the inside of the top plate is provided with a mounting groove, the mounting groove is internally provided with a movable block in a sliding manner, one side of each movable block is provided with a wrench, the movable blocks at two sides are oppositely provided with inserting plates, the inserting plates are inserted into the locking grooves, one side of each movable block is provided with a second spring, and the other end of each second spring is fixedly connected with the mounting; the inserting plate and the lock groove form a detachable structure, and the second spring ensures the stability of locking the inserting plate and the lock groove; when the warning board needs to be detached, the spanner is pulled outwards to separate the inserting board from the locking groove, and then the warning board is pulled up.

10) An inclined plate is arranged on one side of the supporting block, hinged joints are arranged at two ends of the lower portion of the base, the lower end of the inclined plate is hinged with the hinged joints, a plurality of first springs are arranged on one side of the inclined plate, one ends of the first springs are fixedly connected with the inner wall of the inclined plate, and the other ends of the first springs are fixedly connected with the outer wall of the supporting block; when the inclined plate is under pressure, the inclined plate drives the spring to compress, so that the device has a certain buffering effect, and simultaneously, the bumping feeling of the vehicle passing through the device can be reduced.

Drawings

FIG. 1 is a schematic structural view of a cable protection device for road construction.

FIG. 2 is a schematic view of a base structure of the cable protection device for road construction.

FIG. 3 is a schematic view of the assembly of a fixing groove and a sliding groove in the cable protection device for road construction.

FIG. 4 is a top view of a cable protection device for road construction according to the present invention.

FIG. 5 is a schematic diagram of a warning plate structure in the cable protection device for road construction.

FIG. 6 is a schematic view of the movable installation of the cable protection device for road construction.

In the figure: 1. a top plate; 2. clamping a plate; 3. a splint; 4. a lifting block; 5. a chute; 6. fixing grooves; 7. a first slider; 8. connecting blocks; 9. a threaded rod; 10. a hand wheel; 11. a fixed block; 12. a first lifting rod; 13. a second lifting rod; 14. a limiting plate; 15. a roller; 16. a first spring; 17. a sloping plate; 18. a hinge joint; 19. a base; 20. a movable block; 21. inserting plates; 22. a locking block; 23. a hollow block; 24. a movable rod; 25. a driving wheel; 26. a driven wheel; 27. a support block; 28. a cable trough; 29. a support bar; 30. anti-skid projections; 31. a threaded sleeve; 32. a support pillar; 33. a fixing plate; 34. a clamping block; 35. a warning board; 36. a light-reflecting sheet; 37. inserting holes; 38. locking the groove; 39. a wrench; 40. a second spring;

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to fig. 1 to 6, 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.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.

A cable protection device for road construction comprises a base 19 and a top plate 1, wherein supporting blocks 27 are symmetrically arranged on two sides of the upper portion of the base 19, the cross sections of the supporting blocks 27 are triangular, so that the supporting stability of the supporting blocks 27 is guaranteed, a cable groove 28 is formed between the supporting blocks 27 on the two sides, a cable is placed in the cable groove 28, the top plate 1 is detachably mounted on the upper portion of the base 19 through bolts, and the detachable structure of the top plate 1 facilitates the maintenance of the cable in the cable groove 28; one end of the supporting block 27 is provided with an inserting hole 37, the other end of the supporting block 27 is provided with an inserting column (not shown in the figure) corresponding to the inserting hole 37, the inserting column is in interference fit with the inserting hole 37, a proper number of cable protection devices are selected according to the width of a road, and the cable protection devices are sequentially inserted, so that the application range of the cable protection devices is expanded; supporting shoe 27 one side at both ends is equipped with fixed block 11, is equipped with the screw hole on the fixed block 11, the inside first lifter 12 that is equipped with of screw hole, first lifter 12 lower part is equipped with gyro wheel 15, and when cable protection device need remove, installs first lifter 12 inside the screw hole to the height of adjustment gyro wheel 15 makes base 19 lower part and road separation, promotes cable protection device and removes.

In this embodiment, the bottom of the base 19 is provided with a plurality of anti-slip protrusions 30, and the anti-slip protrusions 30 increase the friction force between the base 19 and the road, thereby ensuring the stability of the cable protection device.

In this embodiment, the inside bilateral symmetry of cable groove 28 is equipped with spout 5, and the inside lifter 4 that is equipped with of spout 5, 4 center department threaded connection of lifter has second lifter 13, 5 bottoms of spout and lifter 4 one side all are equipped with cardboard 2, and the cable setting is inside two cardboard 2's clearance, and cardboard 2 arranges the line to the cable, has guaranteed the regularity of cable, and through the position of rotating second lifter 13 adjustment lifter 4 to adjust two cardboard 2's interval, be applicable to the cable use of different specifications and quantity.

In this embodiment, a clamping plate 3 is fixedly connected to the right lifting block 4, a telescopic groove is formed in the clamping plate 3, the clamping plate 2 is installed in the telescopic groove of the clamping plate 3 in a clearance manner, a fixing groove 6 is formed in the bottom of the cable groove 28, the sliding groove 5 is formed in the upper portion of the fixing groove 6, a first sliding block 7 is arranged on the lower portion of the sliding groove 5, the first sliding block 7 is movably installed in the fixing groove 6, a connecting block 8 is arranged on one side of the first sliding block 7, the connecting blocks 8 on the two sides are connected through a threaded rod 9, the threaded rod 9 is a double-headed screw, the rotating directions of threads on the two ends are opposite, and a; the threaded rod 9 is driven to rotate by rotating the hand wheel 10, so that the first sliding block 7 is driven to slide in the fixed groove 6, the sliding grooves 5 are driven to slide by the first sliding block 7, the distance between the sliding grooves 5 on two sides is adjusted, and the cable fixing device is suitable for cables with different specifications and quantities; limiting plates 14 are arranged at two ends of the threaded rod 9, the limiting plates 14 limit the movement range of the first sliding block 7, and the first sliding block 7 is prevented from being separated from the threaded rod 9.

In the embodiment, a support rod 29 is arranged on one side of the top plate 1, a warning plate 35 is arranged at the upper end of the support rod 29, and the warning plate 35 is used for prompting the construction of a road cable, so that the safety of construction and road traffic is enhanced; the warning board 35 is provided with a reflective sheet 36, so that the warning effect of night construction is enhanced.

In this embodiment, the supporting rod 29 is a screw rod, the thread is connected to the outside of the supporting rod 29 to form a threaded sleeve 31, the warning plate 35 is installed at the top of the threaded sleeve 31, the supporting column 32 is arranged outside the threaded sleeve 31, and the screw rod and the threaded sleeve 31 are convenient for adjusting the height of the warning plate 35.

In this embodiment, threaded sleeve 31 upper portion is equipped with fixed plate 33, be equipped with the draw-in groove on the fixed plate 33, warning board 35 lower part is equipped with fixture block 34, and fixture block 34 detachably installs inside the draw-in groove, and the dismantlement of warning board 35 of being convenient for is maintained and is changed.

In this embodiment, support column 32 lower part is equipped with hollow block 23, hollow block 23 one end is equipped with movable rod 24, and 24 one end of movable rod is equipped with the handle, and the movable rod 24 other end is equipped with action wheel 25, action wheel 25 one side is equipped with the driven wheel 26 of meshing with it, and the bracing piece 29 lower extreme is installed fixedly on driven wheel 26, and the action wheel 25 that the rotating handle drove 24 one end rotates, and action wheel 25 drives the bracing piece 29 rotation from the driven wheel 26 upper end to the angle of warning board 35 has been strengthened warning board 35's warning scope.

In this embodiment, the lower portion of the hollow block 23 is symmetrically provided with locking blocks 22, one side of each locking block 22 is provided with a locking groove 38, the top plate 1 is internally provided with an installation groove, a movable block 20 is slidably arranged in the installation groove, one side of each movable block 20 is provided with a wrench 39, the movable blocks 20 at two sides are oppositely provided with inserting plates 21, the inserting plates 21 are inserted into the locking grooves 38, one side of each movable block 20 is provided with a second spring 40, and the other end of each second spring 40 is fixedly connected with the installation groove; the inserting plate 21 and the locking groove 38 form a detachable structure, and the second spring 40 ensures the stability of locking the inserting plate 21 and the locking groove 38; when the warning board 35 needs to be removed, the wrench 39 is pulled outwards to separate the inserting board 21 from the locking groove 38, and then the warning board 35 is pulled up.

In this embodiment, an inclined plate 17 is arranged on one side of the supporting block 27, two ends of the lower portion of the base 19 are provided with hinges 18, the lower end of the inclined plate 17 is hinged to the hinges 18, a plurality of first springs 16 are arranged on one side of the inclined plate 17, one end of each first spring 16 is fixedly connected with the inner wall of the inclined plate 17, and the other end of each first spring 16 is fixedly connected with the outer wall of the supporting block 27; when the inclined plate 17 is stressed, the inclined plate 17 drives the spring to compress, so that the device has a certain buffering effect, and meanwhile, the bumping feeling of the vehicle passing through the device can be reduced.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.