CN216474651U

CN216474651U - Road maintenance device that road construction used

Info

Publication number: CN216474651U
Application number: CN202121592039.9U
Authority: CN
Inventors: 邢树辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-05-10
Anticipated expiration: 2031-07-14

Abstract

The utility model belongs to the technical field of road construction, in particular to a road maintenance device used for road construction, which comprises a warning post body; at the subassembly of punching a hole of warning post body outside installation, labour saving and time saving improves the efficiency of construction, through the mode of mechanical punching, has realized warning post body in the steady installation on undulatory road surface, through the damper unit who locates the installation at the universal wheel of trigger, has realized effective shock attenuation, slows down the trigger and goes the impact force of receiving when undulatory road surface and punching operation, prolongs the life of this device.

Description

Road maintenance device that road construction used

Technical Field

The utility model belongs to the technical field of road construction, and particularly relates to a road maintenance device for road construction.

Background

Warning post is the warning device who is used for the suggestion passing vehicle and pedestrian to pay attention to safety in road construction, generally speaking, warning post often places in subaerial or disect insertion ground inside through fixing support, and the surface coating of warning post has reflecting material in order to strengthen the warning effect, in the maintenance of road, often set up warning post around the construction area and separate out the job site, because the road maintenance is many in the open air, when meetting the big condition of road surface fluctuation, warning post and fixing support's mounting means can't adapt to the road surface of fluctuation, lead to warning post to be difficult to stable placing on the road surface, and the mode that inserts ground with warning post needs the manpower to accomplish, influence the efficiency of construction, thereby cause the inconvenience of normal use.

In order to solve the problems, the application provides a road maintenance device for road construction.

SUMMERY OF THE UTILITY MODEL

To solve the problems raised in the background art described above. The utility model provides a road maintenance device for road construction, which has the characteristics of saving time and labor, improving the construction efficiency, realizing stable installation of a warning column and effectively absorbing shock.

In order to achieve the purpose, the utility model provides the following technical scheme: a road maintenance device for road construction comprises a warning post body, wherein a punching assembly is mounted on the outer side of the warning post body;

the punching assembly comprises a plate trailer, fixing plates, connecting plates, a punching hammer, an inserting rod and a punching rod, wherein the fixing plates are symmetrically arranged, the connecting plates are symmetrically arranged, the punching hammer is concavely designed, the punching rod is matched with the inserting rod for use, the fixing plates are vertically arranged and distributed on the surface of the plate trailer and are fixedly connected with the outer wall of the plate trailer, the connecting plates are positioned on opposite surfaces of the opposite fixing plates and are in sliding connection with the outer side wall of the fixing plates, a rotating shaft A is arranged between the opposite connecting plates, two ends of the rotating shaft A penetrate through the surface of the connecting plates and extend into the fixing plates, two ends of the rotating shaft A are rotatably connected with the inner wall of the fixing plates, one side of each connecting plate extends outwards along the fixing plate and is fixedly connected with one end of a hammer handle of the punching hammer, a through groove is formed in one side, far away from the fixing plates, of the surface of the plate trailer, and a pointed cone end of the inserting rod penetrates through the through groove and extends outwards, the outer side surface of the inserted bar is connected with the inner wall of the through groove in a sliding mode, the other end of the inserted bar is attached to one end of the knocking bar, a clamping bar is fixedly connected to one end, close to the inserted bar, of the knocking bar, one end, far away from the knocking bar, of the clamping bar extends into the concave surface of the inserted bar and is connected with the inner wall of the inserted bar in a sliding mode, and one end, far away from the inserted bar, of the knocking bar extends out of the through groove of the board vehicle and is in contact with the surface of a hammer head of the knocking hammer.

Preferably, the punching assembly further comprises a servo motor, a half gear and a transmission gear, wherein the servo motor, the half gear and the transmission gear are arranged on the surface of the plate trailer, a bearing plate is fixedly connected to the surface of the plate trailer, the surface of the bearing plate is fixedly connected with the outer wall of the servo motor, the output end of the servo motor is fixedly connected with the axis of the outer wall of the half gear through a rotating shaft B, the transmission gear is located in the opposite connecting plate, the outer side surface of the rotating shaft A penetrates through the axis of the outer wall of the transmission gear and is fixedly connected with the inner wall of the transmission gear, and the outer side surface of the half gear is meshed and connected with the outer wall of the transmission gear through a sawtooth part.

Preferably, the road maintenance device used for road construction of the utility model, the punching assembly further comprises symmetrically arranged clamping plates, short plates vertically arranged on the outer walls of the two ends of the clamping plates and a connecting rod A, the clamping plates are positioned at the ports of the plate turning through grooves and are semicircular, the outer side surfaces of the two ends of the clamping plates are fixedly connected with the surfaces of the short plates, the center of the outer wall of the clamping plate is fixedly connected with the connecting rod A through a rotating support, one end of the connecting rod A, far away from the clamping plate, is fixedly connected with the surface of the plate trailer through a hinged shaft seat, the surface of the plate trailer is provided with a groove corresponding to the position of the connecting rod A, the inner wall of the groove is fixedly connected with a return spring A, one end of the return spring A, which is far away from the inner wall of the groove of the plate trailer, penetrates through the outer wall of the plate trailer and extends outwards to be fixedly connected with one side of the surface of the connecting rod A.

Preferably, as a road maintenance device used in road construction of the present invention, the radius length of the clamping plate is slightly smaller than the radius length of the knocking rod.

Preferably, the collection frame is fixedly connected to one side, away from the servo motor, of the surface of the plate trailer, and the warning column body is located in the collection frame and is clamped with the inner side wall of the collection frame.

The road maintenance device used for road construction of the utility model is preferable, and further comprises a damping component arranged on the surface of the road wheel of the plate trailer, the damping component comprises a support column, a T-shaped fixing rod, symmetrically arranged connecting rods B and transversely arranged sliding plates, one end of the support column, far away from the road wheel of the plate trailer, is fixedly connected with the edge of the surface of the plate trailer, the surface of the support column is provided with an inner cavity, the fixing rod is inserted into the inner cavity and is in sliding connection with the inner wall of the inner cavity, the protruding end of the fixing rod penetrates through the outer wall of the support column and is fixedly connected with the surface of the road wheel of the plate trailer, the other end of the fixing rod is positioned in the inner cavity of the support column and is symmetrically provided with sliding grooves along the axial lead, the inner wall of the sliding grooves is in sliding connection with sliding blocks, and the connecting rods B and the sliding plates are both positioned in the inner cavity of the support column, the both ends of connecting rod B all through pivot C respectively with the slider with the surface of slide rotates to be connected, and is relative connecting rod B's opposite face fixedly connected with reset spring B, the side that connecting rod B was kept away from to the slide with the inner wall of support column inner chamber is laminated mutually.

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

through the subassembly of holing at the installation of warning post body outside, labour saving and time saving improves the efficiency of construction, through the mode of mechanical holing, has realized warning post body at the steady installation on undulant road surface, through the damper assembly who locates the installation at the universal wheel of trigger, has realized effective shock attenuation, slows down the trigger and traveles the impact force of receiving when the operation of holing on undulant road surface, prolongs the life of this device.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the hole-making assembly of the present invention;

FIG. 3 is a schematic view showing the internal structure of the shock-absorbing assembly according to the present invention;

FIG. 4 is a schematic view of the connection structure of the knocking hammer and the jack in the present invention;

FIG. 5 is a schematic view of the connection structure of the inserted link and the warning post body according to the present invention;

in the figure:

1. a warning post body;

2. a punching component; 201. lathing; 202. a fixing plate; 203. a connecting plate; 204. knocking hammers; 205. inserting a rod; 206. a knock bar; 207. a clamping rod; 208. a servo motor; 209. a half gear; 210. a transmission gear; 211. a carrier plate; 212. a splint; 213. a short plate; 214. a connecting rod A; 215. a return spring A; 216. a collection rack;

3. a shock absorbing assembly; 301. a support pillar; 302. fixing the rod; 303. a connecting rod B; 304. a slide plate; 305. a chute; 306. a slider; 307. and a return spring B.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

Example 1

As shown in fig. 1, 2, 4 and 5:

a road maintenance device for road construction comprises a warning post body 1.

In this embodiment: warning post body 1 is often placed in subaerial or disect insertion ground through fixing support, when meetting the big condition of road surface fluctuation, warning post body 1 and fixing support's the unable road surface that adapts to the fluctuation of mounting means leads to warning post body 1 to be difficult to stable placing on the road surface, and will warn the mode that post body 1 inserted ground and need the manpower to accomplish, influences the efficiency of construction, causes the inconvenience of normal use from this.

On this basis, set up the subassembly 2 of holing in the outside of current warning post body 1, through the mode of mechanical holing, realized warning post body 1 in the steady installation on undulation road surface, labour saving and time saving improves the efficiency of construction.

This road maintenance device that road construction used, warning post body 1 outside is installed and is beaten subassembly 2.

The punching assembly 2 comprises a plate trailer 201, fixing plates 202 which are symmetrically arranged, connecting plates 203 which are symmetrically arranged, a knocking hammer 204, an inserting rod 205 which is designed to be concave inwards and a knocking rod 206 which is matched with the inserting rod 205 for use, wherein the fixing plates 202 are vertically arranged and distributed on the surface of the plate trailer 201 and are fixedly connected with the outer wall of the plate trailer 201, the connecting plates 203 are positioned on opposite surfaces of the opposite fixing plates 202 and are in sliding connection with the outer side wall of the fixing plates 202, a rotating shaft A is arranged between the opposite connecting plates 203, two ends of the rotating shaft A penetrate through the surface of the connecting plates 203 and extend into the fixing plates 202, two ends of the rotating shaft A are rotatably connected with the inner wall of the fixing plates 202, one side of each connecting plate 203 extends outwards along the fixing plate 202 and is fixedly connected with one end of a hammer handle of the knocking hammer 204, a through groove is formed in one side, which is far away from the fixing plates 202, and pointed cone ends of the inserting rod 205 penetrate through the through groove and extend outwards, and the lateral surface of inserted bar 205 and the inner wall sliding connection of this logical groove, the other end of inserted bar 205 and the one end of knocking the pole 206 are laminated mutually, the one end fixedly connected with kelly 207 that strikes the pole 206 and be close to inserted bar 205, the one end that kelly 207 kept away from knocking the pole 206 extends into the concave surface department of inserted bar 205 to with the inner wall sliding connection of inserted bar 205, the one end that strikes the pole 206 and keep away from inserted bar 205 extends out the logical groove of wooden handcart 201, and contact with the tup surface of knocking hammer 204.

In this embodiment:

based on the matching use of the inserted link 205 and the knocking link 206, when a road is drilled, the concave surface of the inserted link 205 is attached to the clamping rod 207 on one end surface of the knocking link 206, so that the inserted link 205 and the knocking link 206 are positioned on the same vertical horizontal line, the inserted link 205 is positioned in the through groove of the pallet truck 201, so that the pointed conical end of the inserted link 205 penetrates through the pallet truck 201 and is inserted into the ground, because both ends of the rotating shaft A penetrate through the connecting plate 203 and are slidably connected with the inner wall of the fixing plate 202, the connecting plate 203 can rotate along the surface of the fixing plate 202, the knocking link 203 is rotated to drive the knocking link 204 fixedly connected with one end of the connecting plate 203 to rotate, after the knocking link 204 rotates to a proper angle, the knocking link 204 is put down, because one end of the knocking link 206, which is far away from the inserted link 205, is in contact with the surface of the hammer 204, the knocking link 204 collides with one end surface of the knocking link 206 under the action of its own gravity, and the knocking link 206 is knocked by the hammer 204 to make the knocking link 206 move down, so that the insertion rod 205 is inserted into the ground, and the warning post body 1 is stably installed on the rugged road surface by knocking and punching.

It should be noted that, the inserted link 205 and the knocking lever 206 are made of metal material, so that the construction can be conveniently recycled, the cost is saved, and the surface of the warning post body 1 can be coated with reflective material to enhance the warning effect.

Further, the method comprises the following steps:

in an alternative embodiment: the punching assembly 2 further comprises a servo motor 208, a half gear 209 and a transmission gear 210 which are arranged on the surface of the plate trailer 201, a bearing plate 211 is fixedly connected to the surface of the plate trailer 201, the surface of the bearing plate 211 is fixedly connected with the outer wall of the servo motor 208, the output end of the servo motor 208 is fixedly connected with the outer wall axis of the half gear 209 through a rotating shaft B, the transmission gear 210 is located in the opposite connecting plate 203, the outer side face of the rotating shaft A penetrates through the outer wall axis of the transmission gear 210 and is fixedly connected with the inner wall of the transmission gear 210, and the outer side face of the half gear 209 is meshed and connected with the outer wall of the transmission gear 210 through a sawtooth part.

In this embodiment: based on the meshing connection of the half gear 209 and the transmission gear 210, the output end of the servo motor 208 rotates to drive the rotating shaft B, the output end of the servo motor 208 is fixedly connected with the outer wall axis of the half gear 209 through the rotating shaft B, the rotating shaft B rotates to drive the half gear 209 to be meshed with the transmission gear 210, and the rotating shaft A respectively penetrates through the transmission gear 210 and the connecting plate 203, so that the transmission gear 210 and the connecting plate 203 start to rotate due to the starting of the servo motor 208, the fact that the knocking hammer 204 fixedly connected with one side of the connecting plate 203 starts to rotate around the rotating shaft A is achieved (the number of sawteeth on the outer wall of the half gear 209 determines the rotating angle of the knocking hammer 204 and further determines the knocking force when the knocking hammer 204 falls down), time and labor are saved, and the construction efficiency is improved through a mechanical hole punching mode.

The servo motor 208 is supplied with power from an external power source.

Further, the method comprises the following steps:

in an alternative embodiment: the punching assembly 2 further comprises symmetrically arranged clamping plates 212, short plates 213 and connecting rods A214 which are vertically arranged on the outer walls of two ends of the clamping plates 212, the clamping plates 212 are located at the port positions of the through grooves of the plate trailer 201 and are semicircular, the outer side faces of two ends of the clamping plates 212 are fixedly connected with the surfaces of the short plates 213, the centers of the outer walls of the clamping plates 212 are fixedly connected with the connecting rods A214 through rotating supports, one ends, far away from the clamping plates 212, of the connecting rods A214 are fixedly connected with the surface of the plate trailer 201 through hinged shaft seats, grooves are formed in the positions, corresponding to the connecting rods A214, of the surfaces of the plate trailer 201, the inner walls of the grooves are fixedly connected with return springs A215, one ends, far away from the inner walls of the grooves of the plate trailer 201, of the plate trailer 201 penetrate through the outer walls of the return springs A215, and the ends, extend outwards, and are fixedly connected with one sides of the surfaces of the connecting rods A214.

In this embodiment: based on the symmetrically arranged clamping plates 212 at the end openings of the through groove of the pallet 201, when the combination of the knocking rod 206 and the inserting rod 205 is inserted into the through groove, the inner concave surfaces of the opposite clamping plates 212 are close to the outer side surface of the knocking rod 206, because one end of the connecting rod A214 is fixedly connected with the clamping plate 212 through a rotating support, the other end of the connecting rod A214 is fixedly connected with the plate trailer 201 through a hinged shaft seat, and because the groove of the plate trailer 201 is fixedly connected with the reset spring A215, and one end of the return spring a215 is fixedly connected with the connecting rod a214, so that the return spring a215 pulls the connecting rod a214 to rotate downwards under the action of elastic force, and the clamping plate 212 connected with one end of the connecting rod A214 is driven to move downwards, so that the inner side wall of the clamping plate 212 is attached to the outer side wall of the knocking rod 206, the knocking rod 206 is effectively limited, the knocking rod 206 is prevented from moving due to shaking when being knocked, and the punching operation of the punching assembly 2 is assisted.

Further, the method comprises the following steps:

in an alternative embodiment: the length of the radius of the clamping plate 212 is slightly less than the length of the radius of the tapping rod 206.

It should be noted that the radius length of the clamping plate 212 is slightly smaller than the radius length of the striking rod 206, so that the inner side surface of the clamping plate 212 is conveniently attached to the outer side surface of the striking rod 206, and the striking rod 206 can be effectively fixed.

Further, the method comprises the following steps:

in an alternative embodiment: one side fixedly connected with of servo motor 208 is kept away from on the surface of trigger 201 collects frame 216, and warning post body 1 is located and collects in frame 216 to with the inside wall joint that collects frame 216.

It should be noted that the collection frame 216 disposed on the surface of the trigger 201 is convenient for storing the warning post body 1, and compared with a storage box generally used, the use is more convenient, and the appearance is more beautiful.

As shown in fig. 1 and 3:

with the above in mind: on this basis, the shock-absorbing assembly 3 installed at the universal wheel of the plate trailer 201 realizes effective shock absorption, reduces the impact force received when the plate trailer 201 runs on an undulating road surface and performs hole punching operation, and prolongs the service life of the device.

The road maintenance device for road construction further comprises a damping component 3 arranged on the surface of a universal wheel of the plate trailer 201, the damping component 3 comprises a support column 301, a T-shaped fixing rod 302, symmetrically arranged connecting rods B303 and a transversely arranged sliding plate 304, one end of the support column 301, far away from the universal wheel of the plate trailer 201, is fixedly connected with the corners of the surface of the plate trailer 201, the surface of the support column 301 is provided with an inner cavity, the fixing rod 302 is inserted into the inner cavity and is in sliding connection with the inner wall of the inner cavity, the protruding end of the fixing rod 302 penetrates through the outer wall of the support column 301 and is fixedly connected with the surface of the universal wheel of the plate trailer 201, the other end of the fixing rod 302 is positioned in the inner cavity of the support column 301 and is symmetrically provided with a sliding groove 305 along an axial lead, the inner wall of the sliding groove 305 is in sliding connection with a sliding block 306, the connecting rods B303 and the sliding plate 304 are both positioned in the inner cavity of the support column 301, both ends of the connecting rod B303 are respectively in rotating connection with the surfaces of the sliding block 306 and the sliding plate 304 through a rotating shaft C, the opposite surface of the opposite connecting rod B303 is fixedly connected with a return spring B307, and one side surface of the sliding plate 304 away from the connecting rod B303 is attached to the inner wall of the inner cavity of the supporting column 301.

In this embodiment: based on the supporting column 301 arranged between the board truck 201 and the universal wheel, when the punching assembly 2 performs punching operation, the knocking hammer 204 knocks downwards, the impact force generated by the knocking hammer 204 during operation is transmitted to the surface of the board truck 201 and drives the board truck 201 to move downwards, the universal wheel is unchanged in height and the board truck 201 moves downwards due to the contact of the tire of the universal wheel and the ground, so that the fixing rod 302 fixedly connected with the surface of the universal wheel further extends into the inner cavity of the supporting column 301, the sliding plate 304 is driven to ascend and contact the inner cavity wall of the supporting column 301, because both ends of the connecting rod B303 are respectively and rotatably connected with the sliding block 306 and the surface of the sliding plate 304 through the rotating shaft C, after the sliding plate 304 is attached to the inner cavity wall of the supporting column 301, one end of the connecting rod B rotates under the action of the rotating shaft C, and because the sliding block 306 is slidably connected to the inner wall of the sliding groove 305, the other end of the connecting rod B303 pushes the sliding block 306 to slide under the action of the rotating shaft C, and because the return springs B307 are fixedly connected between the opposite connecting rods B303, the two groups of connecting rods B303 rotate to stretch the return springs B307, impact force received by the plate trailer 201 is relieved by the expansion and contraction of the return springs B307, and the service life of the device is prolonged.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a road maintenance device that road construction used, is including warning post body (1), its characterized in that: a punching assembly (2) is arranged on the outer side of the warning post body (1);

the punching assembly (2) comprises a plate trailer (201), fixing plates (202) which are symmetrically arranged, connecting plates (203) which are symmetrically arranged, a knocking hammer (204), an inserting rod (205) which is designed in an inwards concave manner and a knocking rod (206) which is matched with the inserting rod (205) for use, wherein the fixing plates (202) are vertically arranged and distributed on the surface of the plate trailer (201) and are fixedly connected with the outer wall of the plate trailer (201), the connecting plates (203) are positioned on opposite surfaces of the opposite fixing plates (202) and are in sliding connection with the outer side wall of the fixing plates (202), a rotating shaft A is arranged between the opposite connecting plates (203), two ends of the rotating shaft A penetrate through the surface of the connecting plates (203) and extend into the fixing plates (202), two ends of the rotating shaft A are rotatably connected with the inner wall of the fixing plates (202), one side of the connecting plates (203) extends outwards along the fixing plates (202), the hammer is fixedly connected with one end of a hammer handle of the knocking hammer (204), a through groove is formed in one side, far away from the fixing plate (202), of the surface of the plate trailer (201), the pointed cone end of the inserted rod (205) penetrates through the through groove and extends outwards, the outer side face of the inserted rod (205) is in sliding connection with the inner wall of the through groove, the other end of the inserted rod (205) is attached to one end of the knocking rod (206), one end, close to the inserted rod (205), of the knocking rod (206) is fixedly connected with a clamping rod (207), one end, far away from the knocking rod (206), of the clamping rod (207) extends into the concave face of the inserted rod (205) and is in sliding connection with the inner wall of the inserted rod (205), and one end, far away from the inserted rod (205), of the knocking rod (206) extends out of the through groove of the plate trailer (201) and is in contact with the surface of a hammer head of the knocking hammer (204).

2. The road maintenance device for road construction according to claim 1, characterized in that: punching subassembly (2) are still including seting up in servo motor (208), semi-gear (209) and drive gear (210) on wooden handcart (201) surface, the fixed surface of wooden handcart (201) is connected with loading board (211), the surface of loading board (211) with the outer wall fixed connection of servo motor (208), the output of servo motor (208) through pivot B with the outer wall axle center department fixed connection of semi-gear (209), drive gear (210) are located relatively in connecting plate (203), the lateral surface of pivot A runs through the outer wall axle center department of drive gear (210), and with the inner wall fixed connection of drive gear (210), the lateral surface of semi-gear (209) through the sawtooth portion with drive gear (210) outer wall meshing is connected.

3. The road maintenance device for road construction according to claim 1, characterized in that: the punching assembly (2) further comprises a clamping plate (212) which is symmetrically arranged, a short plate (213) and a connecting rod A (214) which are vertically arranged on the outer walls of two ends of the clamping plate (212), wherein the clamping plate (212) is positioned at the port of the through groove of the plate trailer (201) and is arranged in a semicircular shape, the outer side surfaces of two ends of the clamping plate (212) are fixedly connected with the surface of the short plate (213), the center of the outer wall of the clamping plate (212) is fixedly connected with the connecting rod A (214) through a rotating support, one end, far away from the clamping plate (212), of the connecting rod A (214) is fixedly connected with the surface of the plate trailer (201) through a hinged shaft seat, the surface of the plate trailer (201) corresponds to the position of the connecting rod A (214) and is provided with a groove, the inner wall of the groove is fixedly connected with a return spring A (215), one end, far away from the inner wall of the plate trailer (201) of the return spring A (215) penetrates through the outer wall of the plate trailer (201), and extends outwards to be fixedly connected with one side of the surface of the connecting rod A (214).

4. The road maintenance device for road construction according to claim 3, characterized in that: the radius length of the clamping plate (212) is slightly smaller than that of the knocking rod (206).

5. The road maintenance device for road construction according to claim 2, characterized in that: keep away from the surface of trigger (201) one side fixedly connected with of servo motor (208) collects frame (216), warning post body (1) is located collect in frame (216), and with collect the inside wall joint of frame (216).

6. The road maintenance device for road construction according to claim 1, characterized in that: the damping device comprises a damping component (3) arranged on the surface of a universal wheel of the plate trailer (201), the damping component (3) comprises a supporting column (301), a fixing rod (302) with a T-shaped design, symmetrically arranged connecting rods B (303) and a transversely arranged sliding plate (304), one end of the supporting column (301), far away from the universal wheel of the plate trailer (201), is fixedly connected with the edge of the surface of the plate trailer (201), an inner cavity is formed in the surface of the supporting column (301), the fixing rod (302) is inserted into the inner cavity and is in sliding connection with the inner wall of the inner cavity, the protruding end of the fixing rod (302) penetrates through the outer wall of the supporting column (301) and is fixedly connected with the surface of the universal wheel of the plate trailer (201), the other end of the fixing rod (302) is positioned in the inner cavity of the supporting column (301) and is symmetrically provided with a sliding groove (305) along the axial lead, the inner wall of the sliding groove (305) is in sliding connection with a sliding block (306), connecting rod B (303) with slide (304) all are located support column (301) inner chamber, the both ends of connecting rod B (303) all through pivot C respectively with slider (306) with the surface of slide (304) is rotated and is connected, relative the opposite face fixedly connected with reset spring B (307) of connecting rod B (303), slide (304) keep away from a side of connecting rod B (303) with the inner wall of support column (301) inner chamber is laminated mutually.