Road surface lifting beam

Abstract

The utility model provides a road surface lifting beam, and relates to the field of road surface winding and unwinding. The road surface lifting beam comprises a U-shaped lifting beam, a driving motor structure, a heightening frame structure, a plug-in type bearing seat structure and a winding drum. The driving motor structure is fixedly connected to the U-shaped lifting beam, and the heightening frame structure is inserted into the U-shaped lifting beam. When the height of the winding drum is increased, double-pin connection at the lower end of the plug-in type bearing seat structure is removed, the winding drum and the plug-in type bearing seat structure are lifted, the plug-in type bearing seat structure is pulled out along the U-shaped lifting beam, the heightening frame structure is inserted into the U-shaped lifting beam, the lower side of the heightening frame structure is connected through double pins, and the plug-in type bearing seat structure falls down again. The lower end of the plug-in type bearing seat structure is connected with the upper side of the heightening frame structure through double pins, so that the driving motor structure is meshed with the winding drum again, and the maximum lifting height of the winding drum continues to be increased by increasing or decreasing the heightening frame structure in the U-shaped lifting beam.

Description

TECHNICAL FIELD

[0001] The utility model relates to road surface winding technology field, specifically, relate to a road surface lifting beam. BACKGROUND

[0002] Road operation is used for the operation structure of forming the passing channel on the soil road surface with low bearing capacity, so as to improve the passing capacity of vehicle on the road surface, the existing road operation device adopts the whole lifting winding drum, and the road surface is wound on the winding drum, the road surface panel is retracted and released in the mode, and the winding drum is lifted to different height gears to adapt to the operation of different length road surface winding, and the distance from the winding drum center to the bottom of the operation device determines the length of the road surface that can be accommodated by the operation device.

[0003] The height of the winding drum center in the related art can only be increased by the lifting winding drum mode and the cushioning support mode, but the lifting height of the lifting winding drum mode is limited by the oil cylinder and the angle, and the cushioning degree of the cushioning support mode is limited, and the greater the increased height, the worse the stability of the support, so it is necessary to consider the maximum lifting height of the winding drum center from other aspects, and how to continue to improve the maximum lifting height of the winding drum becomes a technical problem to be solved. SUMMARY

[0004] The utility model aims at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a road surface lifting beam, the road surface lifting beam has the effect of continuing to improve the maximum lifting height of the winding drum.

[0005] The road surface lifting beam according to the utility model embodiment comprises a U-shaped lifting beam, a driving motor structure, a height increasing frame structure, a plug-in bearing seat structure and a winding drum.

[0006] The driving motor structure is fixedly connected to the U-shaped lifting beam, the height increasing frame structure is inserted into the U-shaped lifting beam, the lower side of the height increasing frame structure is connected to the U-shaped lifting beam through double pins, the plug-in bearing seat structure is inserted into the U-shaped lifting beam, the upper side of the height increasing frame structure is connected to the plug-in bearing seat structure through double pins, the winding drum end is rotatably connected to the plug-in bearing seat structure, and the driving motor structure is engaged with the winding drum.

[0007] According to some embodiments of the utility model, the U-shaped lifting beam includes lifting beam, U-shaped frame, limiting plate, fixed plate, elastic limiting piece, pin shaft spare and mounting seat, the U-shaped frame sets up in the middle part of lifting beam, be provided with the insertion slot in the U-shaped frame, the limiting plate is respectively set up in the front and back two sides of the insertion slot left and right two ends, the height increasing frame structure and the insertion type bearing seat structure are inserted into the insertion slot between the limiting plate, the mounting seat fixed connection in the outside of U-shaped frame right -hand tip, the drive motor structure fixed connection is established on the mounting seat, the fixed plate sets up in the front and back two sides of the insertion slot lower end, the elastic limiting piece fixed connection is established in the fixed plate outside of the insertion slot front side, the pin shaft spare is respectively inserted in the both ends between two fixed plate, the pin shaft spare pin holds the downside of height increasing frame structure, the elastic limiting piece end can limit the pin shaft spare outside.

[0008] According to some embodiments of the utility model, the elastic limiting piece includes first mounting plate and elastic clamping plate, the elastic clamping plate fixed connection is established in both ends of the first mounting plate, the elastic clamping plate is concave into clasp buckle, the clasp buckle can be through the elastic deformation of elastic clamping plate and be clamped into the pin shaft spare outside.

[0009] According to some embodiments of the utility model, the pin shaft spare includes pin shaft and baffle, the baffle fixed sleeve is connected in one end of pin shaft, the baffle is waist round board, the waist round board long axis direction outside both ends are provided with clamping groove, the baffle can hold the long axis direction of waist round board, the clasp buckle can be clamped into the clamping groove, the short axis direction of waist round board can be separated from the elastic clamping plate.

[0010] According to some embodiments of the utility model, the height increasing frame structure includes height increasing box, connecting cylinder, mounting lug seat and insertion cylinder, the connecting cylinder fixedly penetrates the inside of both ends of height increasing box, the pin shaft spare passes through the connecting cylinder, both ends of height increasing box upper side are provided with two mounting lug seats, the insertion cylinder fixedly penetrates two mounting lug seats of the same end of height increasing box, the insertion type bearing seat structure is pinned on the insertion cylinder.

[0011] According to some embodiments of the utility model, the insertion type bearing seat structure includes bearing seat, bearing, gland, butt joint cylinder and insertion pin, the bearing seat is provided with installation slot, the bearing fixed insertion is in the installation slot, the winding drum one end passes through the bearing seat fixed insertion is in the inner ring of bearing, the gland fixed connection is established in the bearing seat, the gland seals the installation slot and the gland inside side is against the bearing outer ring, both sides of the bearing seat lower end are provided with butt joint cylinder, the insertion pin passes through one butt joint cylinder and is inserted into the insertion cylinder, and then the insertion pin passes through another butt joint cylinder and forms pinning, the pin shaft spare can also pass through insertion cylinder and be pinned in bearing seat.

[0012] According to some embodiments of the present application, the bearing seat top end is provided with a hanger.

[0013] According to some embodiments of the present application, the plug-in pin comprises a pin body, a second mounting plate, a connecting bolt and a hand ring, the second mounting plate is fixedly sleeved at one end of the pin body, the other end of the pin body sequentially penetrates one of the butt cylinders, the plug-in cylinder and the other butt cylinder to form a pin joint, the connecting bolt is threadedly connected to the bearing seat after penetrating the second mounting plate, and the hand ring is fixedly connected to the side of the second mounting plate away from the pin body.

[0014] According to some embodiments of the present application, the winding drum comprises a winding drum main body and a gear ring, the gear ring is fixedly connected to the outer side of the winding drum main body, and the driving motor structure is engaged with the gear ring.

[0015] According to some embodiments of the present application, the driving motor structure comprises a hydraulic motor, a gear, a pressing plate and a pressing bolt, the hydraulic motor is fixedly connected to the U-shaped lifting beam, the gear is sleeved on the output end of the hydraulic motor through a spline, the pressing plate is fixedly connected to the outer side of the gear, the pressing bolt is connected to the end of the output end of the hydraulic motor through the pressing plate, and the gear can be engaged with the upper side and the lower side of one end of the gear ring.

[0016] The present application has the advantages that when the height of the winding drum is reduced, the double-pin connection of the plug-in bearing seat structure and the height increasing frame structure is released, the winding drum and the plug-in bearing seat structure are lifted, the plug-in bearing seat structure is pulled out along the U-shaped lifting beam, the height increasing frame structure is pulled out, the plug-in bearing seat structure is lowered again, the lower end of the plug-in bearing seat structure and the U-shaped lifting beam are connected through the double pin, the driving motor structure is re-engaged with the winding drum, when the height of the winding drum is increased, the double-pin connection of the lower end of the plug-in bearing seat structure is released, the winding drum and the plug-in bearing seat structure are lifted, the plug-in bearing seat structure is pulled out along the U-shaped lifting beam, the height increasing frame structure is inserted into the U-shaped lifting beam, the lower side of the height increasing frame structure is connected through the double pin, the plug-in bearing seat structure is lowered again, the lower end of the plug-in bearing seat structure and the upper side of the height increasing frame structure are connected through the double pin, and the driving motor structure is re-engaged with the winding drum, and the maximum lifting height of the winding drum is continuously increased by increasing or decreasing the height increasing frame structure in the U-shaped lifting beam.

[0017] Additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly introduced as follows. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained from these drawings without creative labor.

[0019] Figure 1 is a schematic diagram of the three-dimensional structure of the road lifting beam according to the embodiment of the present application;

[0020] Figure 2 is a schematic diagram of the three-dimensional structure of the U-shaped lifting beam according to the embodiment of the present application;

[0021] Figure 3 is a schematic diagram of the three-dimensional structure of the height increasing frame structure according to the embodiment of the present application; Figure 2

[0022] Figure 4

[0023] Figure 5 is a schematic diagram of the three-dimensional structure of the plug-in bearing seat structure according to the embodiment of the present application;

[0024] Figure 6 is a schematic diagram of the three-dimensional structure of the plug-in pin according to the embodiment of the present application;

[0025] Figure 7 is a schematic diagram of the three-dimensional structure of the winding drum according to the embodiment of the present application;

[0026] Figure 8 is a schematic diagram of the three-dimensional structure of the driving motor structure according to the embodiment of the present application.

[0027] ​​Icon: 100-U-shaped lifting beam; 110-lifting beam; 120-U-shaped frame; 130-plug-in slot; 140-limiting plate; 150-fixing plate; 160-elastic limiting piece; 161-first mounting plate; 162-elastic clamping plate; 163-buckle; 170-pivot; 171-pivot; 172-baffle; 173-clamping groove; 180-mounting seat; 200-driving motor structure; 210-hydraulic motor; 220-gear; 230-pressing plate; 240-pressing bolt; 300-heightening frame structure; 310-heightening box; 320-connecting cylinder; 330-mounting lug; 340-plug-in cylinder; 400-plug-in bearing seat structure; 410-bearing seat; 420-mounting groove; 430-bearing; 440-pressing cover; 450-butting cylinder; 460-plug-in pin; 461-pin body; 462-second mounting plate; 463-connecting bolt; 464-hand ring; 470-hanging bracket; 500-winding drum; 510-winding drum body; 520-tooth ring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0029] In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0030] The road surface lifting beam according to the embodiments of the present application will be described below with reference to the drawings.

[0031] Please refer to Figures 1 to 8 The road surface lifting beam according to the embodiments of the present application comprises a U-shaped lifting beam 100, a driving motor structure 200, a heightening frame structure 300, a plug-in bearing seat structure 400 and a winding drum 500.

[0032] Please refer to Figure 1The driving motor structure 200 is fixedly connected to the U-shaped lifting beam 100, the height increasing frame structure 300 is inserted into the U-shaped lifting beam 100, the lower side of the height increasing frame structure 300 is connected to the U-shaped lifting beam 100 through double pins, the plug-in bearing seat structure 400 is inserted into the U-shaped lifting beam 100, the upper side of the height increasing frame structure 300 is connected to the plug-in bearing seat structure 400 through double pins, the end of the winding drum 500 is rotatably connected to the plug-in bearing seat structure 400, and the driving motor structure 200 is engaged with the winding drum 500. When the height of the winding drum 500 is lowered, the double pin connection between the plug-in bearing seat structure 400 and the height increasing frame structure 300 is released, the winding drum 500 and the plug-in bearing seat structure 400 are lifted, the plug-in bearing seat structure 400 is pulled out along the U-shaped lifting beam 100, the height increasing frame structure 300 is pulled out, the plug-in bearing seat structure 400 is lowered again, the lower end of the plug-in bearing seat structure 400 is connected to the U-shaped lifting beam 100 through double pins, and the driving motor structure 200 is re-engaged with the winding drum 500. When the height of the winding drum 500 is increased, the double pin connection at the lower end of the plug-in bearing seat structure 400 is released, the winding drum 500 and the plug-in bearing seat structure 400 are lifted, the plug-in bearing seat structure 400 is pulled out along the U-shaped lifting beam 100, the height increasing frame structure 300 is inserted into the U-shaped lifting beam 100, the lower side of the height increasing frame structure 300 is connected through double pins, the plug-in bearing seat structure 400 is lowered again, the lower end of the plug-in bearing seat structure 400 is connected to the upper side of the height increasing frame structure 300 through double pins, and the driving motor structure 200 is re-engaged with the winding drum 500. By increasing or decreasing the height increasing frame structure 300 in the U-shaped lifting beam 100, the maximum lifting height of the winding drum can be continuously increased.

[0033] Please refer to Figures 1 to 2, the U-shaped lifting beam 100 comprises a lifting beam 110, a U-shaped frame 120, a limiting plate 140, a fixed plate 150, an elastic limiting piece 160, a pin shaft piece 170 and a mounting seat 180, the U-shaped frame 120 is arranged at the middle part of the lifting beam 110, the U-shaped frame 120 is internally provided with a plug-in groove 130, the limiting plate 140 is arranged at the front and back sides of the left and right two ends of the plug-in groove 130 respectively, the height increasing frame structure 300 and the plug-in type bearing seat structure 400 are inserted into the plug-in groove 130 between the limiting plates 140, the mounting seat 180 is fixedly connected to the outside of the right end of the U-shaped frame 120, the driving motor structure 200 is fixedly connected to the mounting seat 180, the fixed plate 150 is arranged at the front and back sides of the lower end of the plug-in groove 130, the elastic limiting piece 160 is fixedly connected to the outside of the fixed plate 150 at the front side of the plug-in groove 130, the pin shaft piece 170 is respectively inserted into the two ends between the two fixed plates 150, the pin shaft piece 170 pins the lower side of the height increasing frame structure 300, and the end part of the elastic limiting piece 160 can limit the outside of the pin shaft piece 170. When the height increasing frame structure 300 is increased or decreased, the pin shaft piece 170 is rotated, the pin shaft piece 170 is separated from the elastic limiting piece 160, the pin shaft piece 170 is extracted, the connection of the lower side of the height increasing frame structure 300 is released, the plug-in type bearing seat structure 400 is extracted along the upper limiting plate 140 of the plug-in groove 130, and then the installation and removal of the height increasing frame structure 300 are carried out, so that the purpose of increasing or decreasing the height increasing frame structure 300 is achieved.

[0034] Please refer to Figures 1 to 3 , the elastic limiting piece 160 comprises a first mounting plate 161 and an elastic clamping plate 162, the elastic clamping plate 162 is fixedly connected to the two ends of the first mounting plate 161, the elastic clamping plate 162 is internally recessed to form a clamping buckle 163, and the clamping buckle 163 can be clamped into the outside of the pin shaft piece 170 through the elastic deformation of the elastic clamping plate 162. The pin shaft piece 170 is rotated, the pin shaft piece 170 first pushes the elastic clamping plate 162 to be elastically deformed, the clamping buckle 163 is separated from the outside of the pin shaft piece 170, the pin shaft piece 170 is continuously rotated, the blocking of the elastic clamping plate 162 to the pin shaft piece 170 is released, and then the pin shaft piece 170 is extracted.

[0035] Please refer to Figures 1 to 3The pin shaft piece 170 includes a pin shaft 171 and a baffle plate 172. The baffle plate 172 is fixedly sleeved at one end of the pin shaft 171. The baffle plate 172 is a waist round plate. Two ends of the waist round plate in the long axis direction are provided with clamping grooves 173. The baffle plate 172 can block the long axis direction of the waist round plate. The buckle 163 can be clamped into the clamping groove 173. The short axis direction of the waist round plate can be separated from the elastic clamping plate 162. The pin shaft 171 sequentially penetrates one of the fixed plates 150, the connecting barrel 320 and the other fixed plate 150. At this time, the short axis direction of the baffle plate 172 is close to the elastic clamping plate 162, so that the baffle plate 172 can pass the elastic clamping plate 162. The baffle plate 172 rotates. The elastic clamping plate 162 blocks the long axis edge of the baffle plate 172. The buckle 163 is clamped into the clamping groove 173, so as to limit the rotation of the baffle plate 172, and further limit the rotation of the pin shaft 171. Thus, the situation that the pin shaft 171 penetrates out of the connecting barrel 320 is reduced, and the situation that the pin shaft 171 is invalid is reduced.

[0036] Please refer to Figures 1 to 4 The height increasing frame structure 300 includes a height increasing box 310, a connecting barrel 320, a mounting ear seat 330 and a plug-in barrel 340. The connecting barrel 320 is fixedly penetrated in the interiors of both ends of the height increasing box 310. The pin shaft piece 170 penetrates the connecting barrel 320. Both ends of the upper side of the height increasing box 310 are provided with two mounting ear seats 330. The plug-in barrel 340 is fixedly penetrated in the two mounting ear seats 330 at the same end of the height increasing box 310. The plug-in bearing seat structure 400 is pinned on the plug-in barrel 340. The height increasing box 310 is inserted into the plug-in slot 130 along the limiting plate 140. The pin shaft piece 170 penetrates the connecting barrel 320 to be pinned. Then, the plug-in bearing seat structure 400 is inserted into the plug-in slot 130 along the limiting plate 140. The plug-in barrel 340 and the plug-in bearing seat structure 400 are connected by double pins. The height of the plug-in bearing seat structure 400 is increased by the height increasing box 310, so as to increase the maximum lifting height of the winding drum 500.

[0037] Please refer to Figures 1 to 5The plug-in bearing seat structure 400 comprises a bearing seat 410, a bearing 430, a gland 440, a butt cylinder 450 and a plug-in pin 460. The bearing seat 410 is provided with a mounting groove 420. The bearing 430 is fixedly plugged into the mounting groove 420. One end of the winding drum 500 passes through the bearing seat 410 and is fixedly plugged into the inner ring of the bearing 430. The gland 440 is fixedly connected to the bearing seat 410. The gland 440 seals the mounting groove 420, and the inner side of the gland 440 abuts against the outer ring of the bearing 430. The butt cylinder 450 is arranged on both sides of the lower end of the bearing seat 410. The plug-in pin 460 passes through one of the butt cylinders 450 and is inserted into the plug-in cylinder 340. Then the plug-in pin 460 passes through the other butt cylinder 450 to form a pin joint. The pin shaft 170 can pass through the plug-in cylinder 340 to form a pin joint with the bearing seat 410. The winding drum 500 is rotatably connected to the bearing seat 410 through the bearing 430. When the heightening frame structure 300 is installed, the heightening frame structure 300 is inserted into the plug-in groove 130. Then the pin shaft 170 passes through the connecting cylinder 320 to form a pin joint. The plug-in pin 460 is pulled out of the butt cylinder 450 of the bearing seat 410. The bearing seat 410 is inserted into the plug-in groove 130 along the limiting plate 140. The plug-in cylinder 340 corresponds to the butt cylinder 450. The plug-in pin 460 passes through one of the butt cylinders 450 and is inserted into the plug-in cylinder 340. Then the plug-in pin 460 passes through the other butt cylinder 450 to form a pin joint. The limiting plate 140 limits the positions of the front and back sides of the bearing seat 410. When the heightening frame structure 300 is removed, the pin shaft 170 is pulled out of the connecting cylinder 320. Then the plug-in pin 460 is pulled out of the plug-in cylinder 340. The bearing seat 410 and the winding drum 500 are lifted. The bearing seat 410 is pulled out of the plug-in groove 130 along the limiting plate 140. Then the heightening box 310 is pulled out. After that, the bearing seat 410 and the winding drum 500 are lowered. The bearing seat 410 is inserted into the plug-in groove 130 along the limiting plate 140. The butt cylinder 450 is aligned with the hole connected with the pin shaft 170 on the fixed plate 150. The pin shaft 170 passes through the butt cylinder 450 to form a pin joint. The adjustment of the position of the winding drum 500 is completed. The top end of the bearing seat 410 is provided with a lifting bracket 470. The bearing seat 410 and the winding drum 500 are lifted through the lifting bracket 470.

[0038] Please refer to Figures 1 to 6The plug-in pin 460 includes a pin body 461, a second mounting plate 462, a connecting bolt 463 and a hand ring 464. The second mounting plate 462 is fixedly sleeved on one end of the pin body 461, the other end of the pin body 461 is sequentially inserted through one of the butt cylinders 450, the plug-in cylinder 340 and the other butt cylinder 450 to form a pin connection, the connecting bolt 463 is threaded on the bearing seat 410 after passing through the second mounting plate 462, and the hand ring 464 is fixedly connected to the side of the second mounting plate 462 away from the pin body 461. When the plug-in pin 460 is pin-connected, the pin body 461 is inserted through the butt cylinder 450 and the plug-in cylinder 340 to form a pin connection, and the second mounting plate 462 is connected to the bearing seat 410 through the connecting bolt 463, thereby reducing the occurrence of the pin body 461 escaping from the butt cylinder 450, and further reducing the occurrence of the pin connection failure of the pin body 461. When the pin body 461 is removed, the connecting bolt 463 is released, the pin body 461 is pulled out of the butt cylinder 450 and the plug-in cylinder 340, and the connection between the bearing seat 410 and the plug-in cylinder 340 is released.

[0039] Please refer to Figures 1 to 7 The winding drum 500 includes a winding drum body 510 and a gear ring 520. The gear ring 520 is fixedly connected to the outer side of the winding drum body 510, and the driving motor structure 200 is engaged with the gear ring 520. The driving motor structure 200 can be engaged with the upper side and the lower side of the left end of the outer circle of the gear ring 520, so as to facilitate the engagement of the driving motor structure 200 and the gear ring 520 when the elevated platform structure 300 is installed and removed.

[0040] Please refer to Figures 1 to 8 The driving motor structure 200 includes a hydraulic motor 210, a gear 220, a pressing plate 230 and a pressing bolt 240. The hydraulic motor 210 is fixedly connected to the U-shaped lifting beam 100, the gear 220 is sleeved on the output end of the hydraulic motor 210 through a spline, the pressing plate 230 is fixedly connected to the outer side of the gear 220, the pressing bolt 240 is connected to the end of the output end of the hydraulic motor 210 through the pressing plate 230, and the gear 220 can be engaged with the upper side and the lower side of one end of the gear ring 520 through the gear. Before the elevated platform structure 300 is added, the pressing bolt 240 is released, the gear 220 is pulled out of the output end of the hydraulic motor 210, after the elevated platform structure 300 is installed, the gear 220 is reinstalled, at this time, the gear 220 is engaged with the lower side of the left end of the outer circle of the gear ring 520. Before the elevated platform structure 300 is removed, the pressing bolt 240 is released, the gear 220 is pulled out of the output end of the hydraulic motor 210, after the elevated platform structure 300 is removed, the gear 220 is reinstalled, at this time, the gear 220 is engaged with the upper side of the left end of the outer circle of the gear ring 520. By changing the engagement position of the gear 220 and the gear ring 520, the hydraulic motor 210 can drive the gear ring 520 in both cases of adding and removing the elevated platform structure 300, and further drive the winding drum body 510 to be retracted and extended on the road surface.

[0041] Specifically, the working principle of the road lifting beam is as follows: when the height of the winding drum 500 is lowered, the compression bolt 240 is released, the gear 220 is pulled out of the output end of the hydraulic motor 210, the connecting bolt 463 is released, the pin body 461 is pulled out of the butt joint cylinder 450 and the plug-in cylinder 340, the connection between the bearing seat 410 and the plug-in cylinder 340 is released, the pin shaft 171 is rotated, the buckle 163 on the baffle 172 is disengaged from the clamping groove 173, the baffle 172 is continuously rotated, the short shaft direction of the baffle 172 approaches the elastic clamping plate 162, the pin shaft 171 is pulled out of the connecting cylinder 320, the connection between the height increasing box 310 and the fixed plate 150 is released, the bearing seat 410 and the winding drum 500 are lifted, the bearing seat 410 is pulled out of the plug-in slot 130 along the limiting plate 140, the height increasing box 310 is pulled out of the plug-in slot 130 along the limiting plate 140, then the bearing seat 410 and the winding drum 500 are lowered, the bearing seat 410 is inserted into the plug-in slot 130 along the limiting plate 140, the connecting holes of the pin shaft 171 on the butt joint cylinder 450 and the fixed plate 150 are aligned, the pin shaft 171 is connected through the butt joint cylinder 450, the adjustment of the position of the winding drum 500 is completed, then the gear 220 is reinstalled, at this time, the gear 220 is engaged on the left upper side of the outer circle of the gear ring 520; when the height of the winding drum 500 is increased, the compression bolt 240 is released, the gear 220 is pulled out of the output end of the hydraulic motor 210, the pin shaft 171 is pulled out of the butt joint cylinder 450, the bearing seat 410 and the winding drum 500 are lifted, the height increasing box 310 is inserted into the plug-in slot 130 along the limiting plate 140, the connecting holes of the connecting cylinder 320 and the fixed plate 150 are aligned, the pin shaft 171 is sequentially pulled through one of the fixed plates 150, the connecting cylinder 320 and the other fixed plate 150, at this time, the short shaft direction of the baffle 172 approaches the elastic clamping plate 162, so that the baffle 172 can pass through the elastic clamping plate 162, the baffle 172 is rotated, the elastic clamping plate 162 blocks the long shaft edge of the baffle 172, the buckle 163 is clamped into the clamping groove 173, the rotation of the baffle 172 is limited, thereby limiting the rotation of the pin shaft 171, reducing the situation that the pin shaft 171 is pulled out of the connecting cylinder 320, and further reducing the situation that the pin shaft 171 is connected, the bearing seat 410 is inserted into the plug-in slot 130 along the limiting plate 140, the butt joint cylinder 450 and the plug-in cylinder 340 are aligned, the pin body 461 is connected through the butt joint cylinder 450 and the plug-in cylinder 340, the second mounting plate 462 is connected to the bearing seat 410 through the connecting bolt 463, the situation that the pin body 461 is pulled out of the butt joint cylinder 450 is reduced, and the situation that the pin body 461 is connected is further reduced, the adjustment of the position of the winding drum 500 is completed, the maximum lifting height of the winding drum is continuously increased by increasing and decreasing the height increasing frame structure 300 in the U-shaped lifting beam 100, then the gear 220 is reinstalled, at this time, the gear 220 is engaged on the left lower side of the outer circle of the gear ring 520, by changing the engagement position of the gear 220 and the gear ring 520, the hydraulic motor 210 can drive the gear ring 520 in the two situations of increasing and removing the height increasing frame structure 300, and further drive the winding drum main body 510 to collect and release the road surface.

[0042] It should be noted that the specific model of the hydraulic motor 210 needs to be selected according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0043] The liquid supply of the hydraulic motor 210 and its principle are clear to those skilled in the art, and will not be described in detail here.

[0044] The above is only an embodiment of the present application and is not used to limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application. It should be noted that: similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. A road surface lifting beam, characterized in that, include: U-shaped lifting beam (100); A drive motor structure (200) is fixedly connected to the U-shaped lifting beam (100); A riser structure (300) is inserted into the U-shaped lifting beam (100), and the lower side of the riser structure (300) is connected to the U-shaped lifting beam (100) by double pins; A plug-in bearing housing structure (400) is inserted into the U-shaped lifting beam (100), and the upper side of the riser structure (300) is connected to the plug-in bearing housing structure (400) by double pins. A drum (500) is rotatably connected at its end to the plug-in bearing housing structure (400), and the drive motor structure (200) is engaged with the drum (500).

2. The road surface lifting beam according to claim 1, characterized in that, The U-shaped lifting beam (100) includes a lifting beam (110), a U-shaped frame (120), a limiting plate (140), a fixing plate (150), an elastic limiting member (160), a pin (170), and a mounting base (180). The U-shaped frame (120) is located in the middle of the lifting beam (110), and a insertion groove (130) is provided inside the U-shaped frame (120). The limiting plate (140) is respectively located on the front and rear sides of the left and right ends of the insertion groove (130). The height-increasing frame structure (300) and the insertion-type bearing seat structure (400) are inserted into the insertion groove (130) between the limiting plates (140). The seat (180) is fixedly connected to the outside of the right end of the U-shaped frame (120), the drive motor structure (200) is fixedly connected to the mounting seat (180), the fixing plate (150) is disposed on the front and rear sides of the lower end of the insertion slot (130), the elastic limiting member (160) is fixedly connected to the outside of the fixing plate (150) on the front side of the insertion slot (130), the pin (170) is respectively inserted into the two ends between the two fixing plates (150), the pin (170) pins the lower side of the heightening frame structure (300), and the end of the elastic limiting member (160) can limit the outside of the pin (170).

3. The road surface lifting beam according to claim 2, characterized in that, The elastic limiting member (160) includes a first mounting plate (161) and an elastic locking plate (162). The elastic locking plate (162) is fixedly connected to both ends of the first mounting plate (161). The elastic locking plate (162) has a recessed buckle (163). The buckle (163) can be engaged into the outside of the pin member (170) by the elastic deformation of the elastic locking plate (162).

4. The road surface lifting beam according to claim 3, characterized in that, The pin (170) includes a pin (171) and a baffle (172). The baffle (172) is fixedly sleeved on one end of the pin (171). The baffle (172) is an oval plate. The oval plate has slots (173) at both ends of its long axis. The baffle (172) can block the long axis of the oval plate. The buckle (163) can be inserted into the slot (173). The short axis of the oval plate can be disengaged from the elastic plate (162).

5. The road surface lifting beam according to claim 2, characterized in that, The height-increasing frame structure (300) includes a height-increasing box (310), a connecting tube (320), mounting lugs (330), and a plug-in tube (340). The connecting tube (320) is fixedly inserted through the interior of both ends of the height-increasing box (310). The pin (170) passes through the connecting tube (320). Two mounting lugs (330) are provided at both ends of the upper side of the height-increasing box (310). The plug-in tube (340) is fixedly inserted through the two mounting lugs (330) at the same end of the height-increasing box (310). The plug-in bearing seat structure (400) is pinned to the plug-in tube (340).

6. The road surface lifting beam according to claim 5, characterized in that, The plug-in bearing housing structure (400) includes a bearing housing (410), a bearing (430), a gland (440), a connecting cylinder (450), and a plug pin (460). The bearing housing (410) has a mounting groove (420) inside, and the bearing (430) is fixedly inserted into the mounting groove (420). One end of the drum (500) passes through the bearing housing (410) and is fixedly inserted into the inner ring of the bearing (430). The gland (440) is fixedly connected to the bearing housing (410). 40) The mounting groove (420) is sealed and the inner side of the pressure cap (440) abuts against the outer ring of the bearing (430). The bearing seat (410) is provided with docking cylinders (450) on both sides of the lower end. The insertion pin (460) passes through one of the docking cylinders (450) and is inserted into the insertion cylinder (340). Then the insertion pin (460) passes through the other docking cylinder (450) to form a pin connection. The pin shaft (170) can also pass through the insertion cylinder (340) to pin the bearing seat (410).

7. The road surface lifting beam according to claim 6, characterized in that, A hanger (470) is provided at the top of the bearing housing (410).

8. The road surface lifting beam according to claim 6, characterized in that, The insertion pin (460) includes a pin body (461), a second mounting plate (462), a connecting bolt (463), and a hand ring (464). The second mounting plate (462) is fixedly sleeved on one end of the pin body (461). The other end of the pin body (461) passes through one of the docking cylinders (450), the insertion cylinder (340), and the other docking cylinder (450) in sequence to form a pin connection. The connecting bolt (463) passes through the second mounting plate (462) and is threadedly connected to the bearing seat (410). The hand ring (464) is fixedly connected to the side of the second mounting plate (462) away from the pin body (461).

9. The road surface lifting beam according to claim 1, characterized in that, The drum (500) includes a drum body (510) and a toothed ring (520). The toothed ring (520) is fixedly connected to the outside of the drum body (510), and the drive motor structure (200) meshes with the toothed ring (520).

10. The road surface lifting beam according to claim 9, characterized in that, The drive motor structure (200) includes a hydraulic motor (210), a gear (220), a pressure plate (230), and a clamping bolt (240). The hydraulic motor (210) is fixedly connected to the U-shaped lifting beam (100). The gear (220) is splined to the output end of the hydraulic motor (210). The pressure plate (230) is fixedly connected to the outside of the gear (220). The clamping bolt (240) passes through the pressure plate (230) and is connected to the end of the output end of the hydraulic motor (210). The gear (220) can mesh with the upper and lower sides of one end of the gear ring (520).

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