Mobile platform device for railway bridge maintenance and use method of mobile platform device

Abstract

The invention discloses a mobile platform device for railway bridge maintenance and a use method of the mobile platform device, and belongs to the field of railway engineering accessory equipment. The device comprises a longitudinal moving device, a transverse moving device and a fixing device, the longitudinal moving device comprises a longitudinal pulley block, a longitudinal hand rocker, a longitudinal operating platform and a first fixing rod, a bottom pulley of the longitudinal pulley block is connected with the longitudinal hand rocker, and the longitudinal hand rocker controls the longitudinal pulley block to move in the vertical direction, so that the moving platform device moves in the vertical direction; the transverse moving device comprises a transverse fixing frame, a second fixing rod, a transverse pulley block, a transverse bearing set, a transverse sliding wheel, a vertical auxiliary sliding wheel and a transverse hand rocker. The transverse hand rocker drives the transverse pulley block to move left and right, so that the whole movable platform device moves transversely. The safety guarantee and the working efficiency of maintenance personnel can be greatly improved, and meanwhile the device is simple in structure, low in manufacturing cost, reliable in work and free of maintenance.

Description

Technical Field

[0001] The invention relates to a mobile platform device for railway bridge maintenance and a use method thereof, belonging to the field of railway engineering auxiliary equipment. Background Art

[0002] When repairing the sidewalk railings of railway bridges, high-altitude operations are often required, which poses a great safety hazard. However, previous devices (such as hanging baskets, etc.) have a series of problems such as poor structural stability, unsatisfactory fixing effect, and easy damage, which often cannot meet the requirements.

[0003] Based on the above problems, we have developed a device that is simple to operate, low in cost, and can ensure personnel safety. Summary of the invention

[0004] In order to overcome the above-mentioned shortcomings, the present invention provides a mobile platform device for railway bridge maintenance, which ensures the longitudinal and lateral movement of workers and solves the problems of low efficiency, high risk and low efficiency of the maintenance process of the devices used in the prior art.

[0005] The technical solution adopted by the present invention is: A mobile platform device for railway bridge maintenance, comprising a longitudinal moving device, a transverse moving device, and a fixing device; The fixing device includes four clamping rings, and the lateral moving device and the longitudinal moving device are fixed by the fixing device; The longitudinal moving device comprises a longitudinal pulley block, a longitudinal hand crank, a longitudinal operating platform and a first fixed rod. The longitudinal operating platform is a rectangular frame structure. A support plate is provided at the bottom of the operating platform. The staff stands on the support plate to operate. The first fixed rod is connected to the upper part of the longitudinal operating platform. The bottom pulley of the longitudinal pulley block is connected to the longitudinal hand crank. The longitudinal hand crank controls the longitudinal pulley block to move in the vertical direction, so that the mobile platform device moves in the vertical direction. The transverse moving device includes a transverse fixed frame, a second fixed rod, a transverse pulley group, a transverse bearing group, a transverse sliding wheel, a vertical auxiliary sliding wheel, and a transverse hand crank; the transverse fixed frame is a horizontally placed square frame structure, and the lower center of the left and right frames are connected to two angle steel pillars, and the two ends of the rear frame of the transverse fixed frame are respectively connected to the second fixed rod downward, and the two ends of the front frame are respectively connected to the angle steel limit column with the vertical auxiliary sliding wheel downward; the two angle steel pillars are arranged oppositely, and are used to fix the connecting rods of the upper and middle pulleys of the longitudinal pulley group, so that the longitudinal moving device and the transverse moving device are connected and do not move relative to each other; the angle steel limit column is used to connect the railway bridge guardrail, and the middle part of the angle steel limit column is provided with a vertical auxiliary sliding wheel, which is in contact with the railway bridge guardrail for easy movement. The provision of the vertical auxiliary sliding wheel reduces the friction of the transverse sliding wheel and improves the use efficiency.

[0006] A transverse sliding wheel is provided on the outer side of one end of the transverse fixed frame, and two ends of the transverse sliding wheel are connected to the angle steel pillar and the angle steel limit column through a connecting plate; a transverse bearing group is provided on the outer side of the other end of the transverse fixed frame, and two ends of the transverse bearing group are connected to the angle steel pillar and the angle steel limit column; a transverse pulley group is fixed in the middle of the transverse bearing group, and the transverse pulley group includes a transverse sliding wheel, a transverse hand crank, a first sleeve, a second sleeve and a transverse connecting rod, a first sleeve is sleeved on one end of the transverse connecting rod, a second sleeve is provided in the middle of the transverse connecting rod, and the other end of the transverse connecting rod is connected to the transverse hand crank; the second sleeve can rotate on the transverse connecting rod, and a belt connects the transverse sliding wheel and the second sleeve. Under the action of the transverse hand crank, the second sleeve moves left and right on the transverse connecting rod, thereby driving the transverse pulley group to move left and right, causing the entire mobile platform device to undergo lateral displacement.

[0007] Furthermore, the longitudinal pulley group includes three pulleys connected by belts, the upper pulley and the middle pulley are fixed on the transverse fixed frame, so that the longitudinal pulley group is located below the center of the transverse fixed frame, which is convenient for controlling the movement of the entire device; the lower pulley is connected to the longitudinal hand crank through the longitudinal connecting rod and the third sleeve, the longitudinal connecting rod and the third sleeve are vertically arranged, and a connecting plate is vertically provided on the longitudinal connecting rod, and the other end of the connecting plate is connected to the first fixed rod to connect and fix the longitudinal pulley group to the first fixed rod; further, the position where the connecting plate contacts the longitudinal connecting rod is an arc groove structure, which plays a certain limiting role on the longitudinal hand crank.

[0008] The operation method is: manually operate the longitudinal hand crank to drive the longitudinal pulley assembly to rotate, thereby driving the longitudinal operating platform to move up and down.

[0009] Furthermore, the first fixing rod is connected to the longitudinal operating platform by welding.

[0010] Furthermore, the first fixed rod of the longitudinal moving device and the second fixed rod of the transverse moving device are fixed by a clamping ring, and a locking structure is provided on the clamping ring. After the mobile platform device reaches a suitable position, the clamping ring is locked; there are four clamping rings in total, and the four clamping rings respectively lock the upper and lower ends of the first fixed rod and the second fixed rod.

[0011] Furthermore, the first sleeve is connected to the first fixing rod, specifically: an arc-shaped connecting groove is provided on the first fixing rod, and the first sleeve is fixed in the arc-shaped connecting groove, so that the position of the transverse pulley block in the vertical direction remains unchanged.

[0012] Furthermore, the transverse hand crank is connected to the transverse connecting rod in the following manner: one end of the hand crank is screwed into the threaded end of the threaded hole of the part and is pressed against the pit of the connecting rod to fix the relative positions of the two parts.

[0013] The operation method is as follows: the horizontal hand crank is set at the bottom of the horizontal pulley block, and the staff rotates the horizontal hand crank to drive the horizontal pulley block to rotate, and the horizontal sliding wheel drives the horizontal bearing group to move in the horizontal direction, thereby driving the mobile platform device to move horizontally. Furthermore, in order to prevent the horizontal hand crank from reversing, the horizontal hand crank is set to automatically lock the linkage shaft.

[0014] Furthermore, the transverse fixing frame is connected to the second fixing rod by welding.

[0015] The present invention provides a method for using the mobile platform device during maintenance of the railway bridge, and the specific process is as follows: Step 1: Place the mobile platform device under the railing of the railway bridge; Step 2: Fix the mobile platform device to the railing of the railway bridge through the horizontal fixing frame: clamp the fence through the angle steel limit column of the vertical auxiliary sliding wheel in the horizontal fixing frame; Step 3: Check whether the horizontal fixing frame and the railway bridge railing are firmly fixed; Step 4: Maintenance personnel enter the operating platform; Step 5: The maintenance personnel rotates the longitudinal hand crank in the longitudinal moving device to drive the longitudinal pulley block to move, thereby driving the longitudinal operating platform to move in the vertical direction; Step 6: The maintenance personnel rotate the horizontal hand crank in the horizontal moving device to drive the horizontal sliding wheel and the horizontal bearing group. The rotation of the horizontal bearing group drives the vertical auxiliary sliding wheel to drive the horizontal operating platform to move in the horizontal direction. Step 7: When the maintenance is completed, the maintenance personnel rotate the hand crank of the longitudinal moving device upward to move the operating platform upward.

[0016] The present invention is connected to the railway bridge via a fixed frame and is moved by pulleys, thereby saving time for repairing the railway bridge, while improving the repair efficiency, ensuring the safety of operators, and reducing production costs.

[0017] Beneficial effects of the present invention: The present invention is used when repairing the pedestrian railings of a railway bridge, which can greatly improve the safety and work efficiency of the maintenance personnel. At the same time, the device has a simple structure, low cost, reliable operation, and is maintenance-free. Moreover, the installation of the mobile platform device will greatly reduce the risk of accidents during high-altitude operations by maintenance personnel, improve the work efficiency of personnel, and contribute to protecting the lives and property of personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the mobile platform device of the present invention; Figure 2 It is a schematic diagram of the longitudinal pulley block of the longitudinal moving device; Figure 3 is a schematic diagram of a longitudinal hand lever of a longitudinal moving device; Figure 4 is a schematic diagram of a longitudinal operating platform of a longitudinal moving device; Figure 5 is a schematic diagram of a first fixing rod of a longitudinal moving device; Figure 6 is a schematic diagram of a horizontal fixed frame of a horizontal moving device; Figure 7 is a schematic diagram of a second fixing rod of the lateral moving device; Figure 8 is a schematic diagram of a transverse pulley block of a transverse moving device; Fig. 9 is a schematic diagram of a transverse bearing assembly of a transverse moving device; Fig.10 is a schematic diagram of a lateral sliding wheel of a lateral moving device; Fig.11 is a schematic diagram of a vertical auxiliary sliding wheel of a lateral moving device; Fig.12 is a schematic diagram of a lateral hand rocker of a lateral movement device; In the figure: 1 is a mobile platform device, 2 is a longitudinal pulley block, 3 is a longitudinal hand crank, 4 is a longitudinal operating platform, 5 is a first fixed rod, 6 is a transverse fixed frame, 7 is a second fixed rod, 8 is a transverse pulley block, 9 is a transverse bearing group, 10 is a transverse sliding wheel, 11 is a vertical auxiliary sliding wheel, 12 is a transverse hand crank, 13 is a longitudinal connecting rod, 14 is a third sleeve, 15 is a first sleeve, 16 is a second sleeve, 17 is a connecting plate, 18 is a retaining ring, 19 is a transverse connecting rod, 20 is an angle steel limiting column, and 21 is an angle steel support column. DETAILED DESCRIPTION

[0019] The present invention is further illustrated by the following examples, but is not limited to the following examples.

[0020] Embodiment 1: like Figures 1 to 12 As shown, a mobile platform device for railway bridge maintenance includes a longitudinal moving device, a transverse moving device and a fixing device; The fixing device includes four snap rings 18, and the lateral moving device and the longitudinal moving device are fixed by the fixing device; The longitudinal moving device includes a longitudinal pulley block 2, a longitudinal hand crank 3, a longitudinal operating platform 4 and a first fixed rod 5. The longitudinal operating platform 4 is a rectangular frame structure. A support plate is provided at the bottom of the operating platform, and the staff stands on the support plate to operate; the first fixed rod 5 is connected to the upper part of the longitudinal operating platform 4, and the bottom pulley of the longitudinal pulley block 2 is connected to the longitudinal hand crank 3. The longitudinal hand crank 3 controls the longitudinal pulley block 2 to move in the vertical direction, so that the mobile platform device moves in the vertical direction.

[0021] Specifically, the longitudinal pulley group includes three pulleys connected by belts. The upper pulley and the middle pulley are fixed on the transverse fixed frame, so that the longitudinal pulley group is located below the center of the transverse fixed frame, which is convenient for controlling the movement of the entire device; the lower pulley is connected to the longitudinal hand crank 3 through the longitudinal connecting rod 13 and the third sleeve 14. The longitudinal connecting rod 13 and the third sleeve 14 are vertically arranged. A connecting plate 17 is vertically provided on the longitudinal connecting rod 13. The other end of the connecting plate 17 is connected to the first fixed rod 5 to connect and fix the longitudinal pulley group 2 to the first fixed rod 5; the position where the connecting plate 17 contacts the longitudinal connecting rod 13 is an arc groove structure, which plays a certain limiting role on the longitudinal hand crank.

[0022] The operation method is: manually operate the longitudinal hand crank to drive the longitudinal pulley assembly to rotate, thereby driving the longitudinal operating platform to move up and down.

[0023] Furthermore, the first fixing rod 5 is connected to the longitudinal operating platform 4 by welding.

[0024] The lateral moving device comprises a lateral fixed frame 6, a second fixed rod 7, a lateral pulley group 8, a lateral bearing group 9, a lateral sliding wheel 10, a vertical auxiliary sliding wheel 11, and a lateral hand crank 12; The horizontal fixed frame 6 is a square frame structure placed horizontally, and two angle steel pillars 21 are connected under two opposite frames. The two ends of the rear frame of the horizontal fixed frame 6 are respectively connected downward to the second fixing rod 7; the two ends of the front frame are respectively connected downward to the angle steel limit column 20 with the vertical auxiliary sliding wheel 11; The second fixing rod 7 of the transverse fixing frame is fixed together with the upper part of the first fixing rod 5 by a clamping ring 18. When the position needs to be adjusted, the clamping ring is loosened, and after the position is adjusted, the whole device is tightened by the clamping ring.

[0025] Two angle steel pillars 21 are arranged opposite to each other and are used to fix (weld and fix) the connecting rods of the upper and middle pulleys of the longitudinal pulley block 2 so that the longitudinal moving device and the transverse moving device are connected without relative displacement.

[0026] The angle steel limit column 20 is used to connect the railway bridge guardrail (two angle steels are placed on the railway bridge guardrail). A vertical auxiliary sliding wheel 11 is provided in the middle of the angle steel limit column 20. The vertical auxiliary sliding wheel contacts the railway bridge guardrail for easy movement. The vertical auxiliary sliding wheel reduces the friction of the lateral sliding wheel and improves the use efficiency.

[0027] A transverse sliding wheel 10 is provided on the outer side of one end of the transverse fixed frame 6, and both ends of the transverse sliding wheel are connected to the angle steel pillar 20 and the angle steel limit column 21 through a connecting plate; a transverse bearing group 9 is provided on the outer side of the other end of the transverse fixed frame, and both ends of the transverse bearing group are connected to the angle steel pillar and the angle steel limit column; a transverse sliding wheel of a transverse pulley group is fixed in the middle of the transverse bearing group 9, and the transverse pulley group includes a transverse sliding wheel 10, a transverse hand crank 12, a first sleeve 15, a second sleeve 16 and a transverse connecting rod 19, and a first sleeve 15 is sleeved on one end of the transverse connecting rod 19, and a second sleeve 16 is provided in the middle of the transverse connecting rod 19, and the other end of the transverse connecting rod 19 is connected to the transverse hand crank 12; the second sleeve 16 can rotate on the transverse connecting rod 19, and a belt connects the transverse sliding wheel 10 and the second sleeve 16. Under the action of the transverse hand crank 12, the second sleeve 16 moves left and right on the transverse connecting rod 19, thereby driving the transverse pulley group 8 to move left and right, so that the entire mobile platform device undergoes lateral displacement.

[0028] Specifically, the first sleeve 15 is connected to the first fixing rod 5. Specifically, an arc-shaped connecting groove is provided on the first fixing rod 5, and the first sleeve 15 is fixed in the arc-shaped connecting groove so that the position of the transverse pulley block in the vertical direction remains unchanged.

[0029] Specifically, the transverse hand crank 12 is connected to the transverse connecting rod 19 in the following manner: one end of the hand crank is screwed into the threaded hole of the part and the threaded end is pressed against the pit of the connecting rod to fix the relative positions of the two parts.

[0030] The operation method is as follows: the transverse hand crank 12 is set at the bottom of the transverse pulley block 8, and the staff rotates the transverse hand crank to drive the transverse pulley block to rotate, and the transverse sliding wheel drives the transverse bearing group to move in the horizontal direction, thereby driving the mobile platform device to move horizontally. Furthermore, in order to prevent the transverse hand crank from reversing, the transverse hand crank is set to automatically lock the linkage shaft.

[0031] Specifically, the first fixed rod 5 of the longitudinal moving device and the second fixed rod 7 of the transverse moving device are fixed by a clamping ring 18, which has a locking structure. After the mobile platform device reaches a suitable position, the clamping ring is locked; there are four clamping rings in total, which respectively lock the upper and lower ends of the first fixed rod and the second fixed rod.

[0032] Specifically, the transverse fixing frame 6 is connected to the second fixing rod 7 by welding.

[0033] The specific implementation process of the mobile platform device during the maintenance of the above-mentioned railway bridge is as follows: Step 1: Place the mobile platform device under the railing of the railway bridge; Step 2: Fix the mobile platform device to the railing of the railway bridge through the horizontal fixing frame: clamp the fence through the angle steel limit column of the vertical auxiliary sliding wheel in the horizontal fixing frame; Step 3: Check whether the horizontal fixing frame and the railway bridge railing are firmly fixed; Step 4: Maintenance personnel enter the operating platform; Step 5: The maintenance personnel rotates the longitudinal hand crank in the longitudinal moving device to drive the longitudinal pulley block to move, thereby driving the longitudinal operating platform to move in the vertical direction; Step 6: The maintenance personnel rotate the horizontal hand crank in the horizontal moving device to drive the horizontal sliding wheel and the horizontal bearing group. The rotation of the horizontal bearing group drives the vertical auxiliary sliding wheel to drive the horizontal operating platform to move in the horizontal direction. Step 7: When the maintenance is completed, the maintenance personnel rotate the hand crank of the longitudinal moving device upward to move the operating platform upward; The device as a whole can greatly improve the safety and work efficiency of maintenance personnel. At the same time, the device has a simple structure, low cost, reliable operation, and is maintenance-free.

[0034] The assembly scheme of the mobile platform device for railway bridge maintenance of the present invention: 1. The fixing device part includes four clamping rings. The fixing rod of the lateral moving device and the fixing rod of the longitudinal moving device are fixed by two clamping rings at the top and bottom. 2. The second fixing rod of the lateral moving device and the first fixing rod of the longitudinal moving device are fastened by the clamping rings. The two fixing rods can move up and down. 3. The remaining components are assembled by welding or movable connection as required.

Claims

1. A mobile platform device for railway bridge maintenance, characterized in that: It includes a longitudinal moving device, a transverse moving device and a fixing device; The fixing device includes four clamping rings, and the lateral moving device and the longitudinal moving device are fixed by the fixing device; The longitudinal moving device comprises a longitudinal pulley block, a longitudinal hand crank, a longitudinal operating platform and a first fixed rod. The longitudinal operating platform is a rectangular frame structure. A support plate is provided at the bottom of the operating platform. The staff stands on the support plate to operate. The first fixed rod is connected to the upper part of the longitudinal operating platform. The bottom pulley of the longitudinal pulley block is connected to the longitudinal hand crank. The longitudinal hand crank controls the longitudinal pulley block to move in the vertical direction, so that the mobile platform device moves in the vertical direction. The lateral moving device comprises a lateral fixed frame, a second fixed rod, a lateral pulley group, a lateral bearing group, a lateral sliding wheel, a vertical auxiliary sliding wheel, and a lateral hand crank; the lateral fixed frame is a horizontally placed square frame structure, and the lower center parts of the left and right frames are connected to two angle steel pillars, the two ends of the rear frame of the lateral fixed frame are respectively connected to the second fixed rod downwards, and the two ends of the front frame are respectively connected to the angle steel limiting columns with vertical auxiliary sliding wheels downwards; the two angle steel pillars are arranged opposite to each other, and are used to fix the connecting rods of the upper and middle pulleys of the longitudinal pulley group; the angle steel limiting column is used to connect the railway bridge guardrail, and a vertical auxiliary sliding wheel is provided in the middle of the angle steel limiting column, and the vertical auxiliary sliding wheel is in contact with the railway bridge guardrail for easy movement. The lateral sliding wheel is provided on the outer side of one end of the lateral fixed frame, and a lateral bearing group is provided on the outer side of the other end of the lateral fixed frame. A lateral pulley group is fixed in the middle of the lateral bearing group. The lateral pulley group includes a lateral sliding wheel, a lateral hand crank, a first sleeve, a second sleeve and a lateral connecting rod. A first sleeve is sleeved on one end of the lateral connecting rod, and a second sleeve is provided in the middle of the lateral connecting rod. The other end of the lateral connecting rod is connected to the lateral hand crank; the second sleeve can rotate on the lateral connecting rod, and a belt connects the lateral sliding wheel and the second sleeve. Under the action of the lateral hand crank, the second sleeve moves left and right on the lateral connecting rod, thereby driving the lateral pulley group to move left and right, so that the entire mobile platform device undergoes lateral displacement.

2. The mobile platform device for railway bridge maintenance according to claim 1, characterized in that: The longitudinal pulley block includes three pulleys connected by belts. The upper pulley and the middle pulley are fixed on the transverse fixed frame so that the longitudinal pulley block is located below the center of the transverse fixed frame to facilitate the control of the movement of the entire device; the lower pulley is connected to the longitudinal hand crank through a longitudinal connecting rod and a third sleeve. The longitudinal connecting rod and the third sleeve are vertically arranged. A connecting plate is vertically arranged on the longitudinal connecting rod. The other end of the connecting plate is connected to the first fixed rod to connect and fix the longitudinal pulley block to the first fixed rod.

3. The mobile platform device for railway bridge maintenance according to claim 2, characterized in that: The position where the connecting plate contacts the longitudinal connecting rod is an arc-shaped groove structure.

4. The mobile platform device for railway bridge maintenance according to claim 1, characterized in that: The first fixing rod is connected to the longitudinal operating platform by welding.

5. The mobile platform device for railway bridge maintenance according to claim 1, characterized in that: The first fixing rod of the longitudinal moving device and the second fixing rod of the transverse moving device are fixed by a clamping ring, and a locking structure is provided on the clamping ring; there are four clamping rings in total, and the four clamping rings respectively lock the upper and lower ends of the first fixing rod and the second fixing rod.

6. The mobile platform device for railway bridge maintenance according to claim 1, characterized in that: The first sleeve is connected to the first fixing rod. Specifically, an arc-shaped connecting groove is provided on the first fixing rod. The first sleeve is fixed in the arc-shaped connecting groove so that the position of the transverse pulley block in the vertical direction remains unchanged.

7. The mobile platform device for railway bridge maintenance according to claim 1, characterized in that: The transverse fixing frame is connected to the second fixing rod by welding.

8. The mobile platform device for railway bridge maintenance according to claim 1, characterized in that: The two ends of the transverse sliding wheel located outside one end of the transverse fixed frame are connected to the angle steel pillar and the angle steel limit column through a connecting plate; the two ends of the transverse bearing group are connected to the angle steel pillar and the angle steel limit column.

9. A method for using the mobile platform device for railway bridge maintenance according to any one of claims 1 to 8, characterized in that The specific process is as follows: Step 1: Place the mobile platform device under the railing of the railway bridge; Step 2: Fix the mobile platform device to the railing of the railway bridge through the horizontal fixing frame: clamp the fence through the angle steel limit column of the vertical auxiliary sliding wheel in the horizontal fixing frame; Step 3: Check whether the horizontal fixing frame and the railway bridge railing are firmly fixed; Step 4: Maintenance personnel enter the operating platform; Step 5: The maintenance personnel rotates the longitudinal hand crank in the longitudinal moving device to drive the longitudinal pulley block to move, thereby driving the longitudinal operating platform to move in the vertical direction; Step 6: The maintenance personnel rotate the horizontal hand crank in the horizontal moving device to drive the horizontal sliding wheel and the horizontal bearing group. The rotation of the horizontal bearing group drives the vertical auxiliary sliding wheel to drive the horizontal operating platform to move in the horizontal direction. Step 7: When the maintenance is completed, the maintenance personnel rotate the hand crank of the longitudinal moving device upward to move the operating platform upward.

Images