CN113799073B - A change platform for planer-type crane platform truck - Google Patents
A change platform for planer-type crane platform truck Download PDFInfo
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- CN113799073B CN113799073B CN202010549875.2A CN202010549875A CN113799073B CN 113799073 B CN113799073 B CN 113799073B CN 202010549875 A CN202010549875 A CN 202010549875A CN 113799073 B CN113799073 B CN 113799073B
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- trolley
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/10—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting holders for tool or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H1/00—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby
- B25H1/14—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top
- B25H1/16—Work benches; Portable stands or supports for positioning portable tools or work to be operated on thereby with provision for adjusting the bench top in height
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
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- Mechanical Engineering (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention relates to a replacement platform for a gantry crane trolley, which comprises a detachable platform supporting mechanism, a trolley auxiliary travelling mechanism and a lateral displacement adjusting mechanism, wherein the trolley auxiliary travelling mechanism and the lateral displacement adjusting mechanism are arranged on the detachable platform supporting mechanism. According to the technical scheme, the height and the length of the platform can be adjusted according to the unevenness of the ground and the distance required to travel, so that the trolley can be replaced and maintained on a stable platform, the trolley can be pushed to walk manually, the participation of hoisting equipment is not required, and the lateral position of the trolley can be accurately adjusted.
Description
Technical Field
The invention relates to a replacement platform, in particular to a replacement platform for a gantry crane trolley, and belongs to the technical field of gantry crane trolley replacement and maintenance devices.
Background
In the use process of the finished wharf gantry crane, when the wheel bearings of the large trolley are damaged or have other faults, the trolley needs to be replaced and maintained, because of the special structure of the trolley, after the trolley is detached from the main body, the trolley cannot be balanced, the trolley must be stabilized by using a forklift and a steel wire rope, then the trolley is moved out of the range of the main body of the crane slightly by utilizing the side-shifting function of the fork teeth of the forklift, the process is tedious and slow, and maintenance workers must constantly adjust the steel wire rope and the fork teeth fixed on the trolley, so that the trolley keeps balanced in the moving process, the safety risk is high, and the axial displacement of the wheels also needs to be adjusted when the trolley is installed, therefore, the wheels need to be adjusted by using a crowbar under the condition of lifting the trolley by the forklift, the safety risk is high, and the adjustment is extremely inaccurate. Therefore, a new solution is urgently needed to solve the above technical problems.
Disclosure of Invention
The invention aims at the problems existing in the prior art, and provides a replacing platform for a gantry crane trolley.
In order to achieve the above purpose, the technical scheme of the invention is as follows, the replacing platform for the gantry crane trolley comprises a detachable platform supporting mechanism, a trolley auxiliary traveling mechanism and a lateral displacement adjusting mechanism, wherein the trolley auxiliary traveling mechanism and the lateral displacement adjusting mechanism are arranged on the detachable platform supporting mechanism. The platform supporting mechanism enables the trolley to be horizontally stabilized on uneven ground, the auxiliary travelling mechanism enables the trolley to freely travel on the platform, the lateral displacement adjusting mechanism enables the lateral positions of wheels to be accurately adjusted when the trolley is installed, and the platform can conveniently move the positions and is adjusted according to the height of the ground and the length of a travelling distance.
As an improvement of the invention, the detachable platform supporting mechanism comprises supporting platforms, fixing nuts, fastening nuts, adjusting bolts, connecting bolts and connecting plates, wherein each supporting platform is supported on the ground through 4 adjusting bolts, each adjusting bolt can respectively adjust the length of each adjusting bolt to enable the supporting platform to be always kept horizontal on the uneven ground, and the fastening nuts are screwed after adjustment is finished to enable the height of the supporting platform 15 to be fixed. The two support platforms are fixedly connected with the connecting plate through connecting bolts.
As an improvement of the invention, the trolley auxiliary travelling mechanism comprises a travelling trolley, a base plate and a side plate, wherein the upper flat plate of the travelling trolley is used for placing a trolley reduction gearbox base separated from a travelling crane, the base plate is used for adjusting the height of the flat plate on the travelling trolley, when the reduction gearbox falls onto the rear travelling trolley after the trolley is separated from the travelling crane, the trolley is kept not inclined horizontally, and the side plate can prevent the reduction gearbox from sliding out of the travelling trolley during the travelling of the trolley.
As an improvement of the invention, the lateral displacement adjusting mechanism comprises a rail clamp, a supporting table, an adjusting rod, a long adjusting bolt, a positioning rod, a nut, a fixing plate and a platform clamp, wherein the positioning rod is used for fixing the positions of a cart rail and the supporting platform respectively through the rail clamp and the platform clamp at two ends of the positioning rod, and the supporting table is used for supporting the adjusting rod to keep parallel with the positioning rod; the nut of the long adjusting bolt is pulled by a spanner to drive the long adjusting bolt to be screwed with the nut on the fixed plate. The distance between the adjusting rods on two sides of the fixing plate can be accurately adjusted, so that the adjusting rods can be contacted with the side rims of the wheels in the trolley installation process, and the positions of the adjusting rods can be adjusted.
The manufacturing method of the replacement platform for the gantry crane trolley comprises the following steps: and manufacturing a supporting platform by using No. 16 channel steel, welding flat plates with the same length as the channel steel on two sides of the channel steel, and punching holes on the flat plates according to preset positions. The top end of the fixing bolt is processed into a cone shape, the fixing bolt is welded and fixed on the supporting platform according to a preset position, 4 fastening nuts are installed on the adjusting bolts, the 4 adjusting bolts are installed on the fixing nuts on the supporting platform, and the height of the fixing bolts can be adjusted to a horizontal position capable of being placed into the movable trolley according to the heights of the trolley and the track. And (3) welding and fixing the track clamp and the positioning rod, welding and fixing the other end of the positioning rod and the fixing plate at a designated position, and then welding and fixing the platform clamp and the fixing plate at a position capable of enabling the positioning rod to be kept horizontal according to the relative height of the track and the supporting platform. The method comprises the steps of fixing nuts at appointed round holes of a fixing plate in a welded mode, enabling long adjusting bolts to penetrate through the nuts on the fixing plate, fixing screw tooth ends of the long adjusting bolts and adjusting rods in a welded mode, fixing a supporting table and the locating rods in an appointed position in a welded mode, and enabling the adjusting rods and the locating rods to be parallel.
Compared with the prior art, the trolley has the advantages that the height and the length of the platform can be adjusted according to the unevenness of the ground and the distance required to travel, so that the trolley can be replaced and maintained on a stable platform, the trolley can be pushed to walk manually without the participation of hoisting equipment, the lateral position of the trolley can be accurately adjusted, and the problems of various potential safety hazards and complicated operation caused by the fact that the trolley is not supported in replacement and inaccuracy of the installation position are solved.
Drawings
FIG. 1 is a schematic view of a platform part;
FIG. 2 is a schematic diagram of a pre-change condition of the trolley;
FIG. 3 is a schematic view of the trolley in a disassembled state;
FIG. 4 is a schematic diagram of the lateral position of the adjustment trolley;
FIG. 5 is a tilted platform facilitating trolley movement;
FIG. 6 new trolley wheel lateral position adjustment;
in the figure: 1. track clamps 2, supporting tables 3, adjusting rods 4, long adjusting bolts 5, positioning rods 6, nuts 7, fixing plates 8, platform clamps 9, fixing nuts 10, fastening nuts 11, adjusting bolts 12, moving trolleys, 13, backing plates, 14, side plates, 15, supporting platforms, 16, connecting bolts, 17, connecting plates, 18, cart tracks, 19, wheels, 20, reduction boxes, 21, trolleys, 22, connecting points, 23 and travelling supports.
The specific embodiment is as follows:
in order to enhance the understanding of the present invention, the present embodiment will be described in detail with reference to the accompanying drawings.
Example 1: referring to fig. 1, a replacing platform for a gantry crane trolley comprises a detachable platform supporting mechanism, a trolley auxiliary traveling mechanism and a lateral displacement adjusting mechanism, wherein the trolley auxiliary traveling mechanism and the lateral displacement adjusting mechanism are arranged on the detachable platform supporting mechanism. The platform supporting mechanism enables the trolley to be horizontally stabilized on uneven ground, the auxiliary travelling mechanism enables the trolley to freely travel on the platform, the lateral displacement adjusting mechanism enables the lateral positions of wheels to be accurately adjusted when the trolley is installed, and the platform can conveniently move the positions and is adjusted according to the height of the ground and the length of a travelling distance. The detachable platform supporting mechanism comprises supporting platforms 15, fixing nuts 9, fastening nuts 10, adjusting bolts 11, connecting bolts 16 and connecting plates 17, each supporting platform 15 is supported on the ground through 4 adjusting bolts 11, each adjusting bolt 11 can respectively adjust the length of each supporting platform to enable the supporting platform 15 to be always kept horizontal on uneven ground, and after adjustment, the fastening nuts 10 are screwed down to enable the height of the supporting platform 15 to be fixed. Pulling the nut of the adjustment bolt 11 can raise or lower the support platform 15.
The platform supporting mechanism is used for providing stable stress support for the trolley auxiliary travelling mechanism and the lateral displacement adjusting mechanism. Because the surrounding ground is spread with stones and is uneven, the lowest end of the adjusting bolt 11 is cone-shaped, the contact surface with the broken stones is enlarged, and the stone is more stable. Meanwhile, the height of each 4 adjusting bolts 11 of each supporting platform 15 can be independently adjusted according to the height difference of the ground, so that the supporting platforms 15 are always kept horizontal on the uneven ground, and when the trolley moves, the heights can be independently adjusted to enable one side of the supporting platform to incline, and the forward resistance of the trolley is reduced, as shown in fig. 6. After the height adjustment, the fastening nut 10 is tightened to fix the height of the support platform 15. The two support platforms are fixedly connected through a connecting bolt 16 and a connecting plate 17. Because 8 trolleys are arranged on each travelling crane, the distance that needs to walk when the trolleys at different positions move out is different, a plurality of support platforms are manufactured, and different numbers of support platforms are selected to be connected together for working according to actual needs, so that the travelling crane is more convenient to install and carry.
The two support platforms are fixedly connected with the connecting plate 17 through the connecting bolts 16,
the trolley-assisted travelling mechanism comprises a travelling trolley 12, a base plate 13 and a side plate 14, wherein the base plate 13 and the side plate 14 are arranged on the travelling trolley 12. The backing plate 13 is placed on the upper flat plate of the movable trolley 12, the base of the trolley reduction gearbox is separated from the travelling crane, the flat plate height on the movable trolley 12 is adjusted by adjusting the number of the backing plates 13, when the reduction gearbox falls onto the rear movable trolley 12 after the trolley is separated from the travelling crane, the trolley is kept not inclined horizontally, and the side plates 14 can prevent accidents that the reduction gearbox slides out of the movable trolley 12 when the trolley moves.
When the connection point 22 between the trolley 21 and the travelling support 23 is removed, the reduction gearbox 20 is unbalanced and falls down, the auxiliary travelling mechanism has the effect of directly contacting and supporting the reduction gearbox side of the trolley, and the trolley can travel along the trolley track by relying on the movement of the wheels of the trolley on the supporting mechanism when the trolley is removed and a new trolley is installed.
The lateral displacement adjusting mechanism comprises a rail clamp 1, a supporting table 2, an adjusting rod 3, a long adjusting bolt 4, a positioning rod 5, a nut 6, a fixing plate 7 and a platform clamp 8, wherein the positioning rod 5 is used for fixing the positions of a cart rail and a supporting platform 15 through the rail clamp 1 and the platform clamp 8 at two ends of the positioning rod 5 respectively, and the supporting table 2 is used for supporting the adjusting rod 3 to keep parallel with the positioning rod 5; the nut of the long adjusting bolt 4 is pulled by a spanner to drive the long adjusting bolt 4 to be screwed with the nut 6 on the fixing plate 7.
The lateral displacement adjusting mechanism is used for adjusting the position of the whole trolley perpendicular to the track direction when the trolley reaches the installation position of the large trolley track, which is contacted with the connection point, so that the wheels of the new trolley and the wheels of other trolleys on the trolley are on the same straight line.
In the process that the new trolley is lifted onto the large trolley track to move to the connecting point, wheels rotate on the large trolley track, the axial position of the wheels perpendicular to the large trolley track cannot be maintained necessarily, and therefore the position of the new trolley needs to be adjusted after the new trolley reaches the mounting position, so that the wheels of the new trolley and the wheels of other trolleys on the crane are on the same straight line, and the new trolley can be normally mounted and used.
The positioning rod 5 connects and fixes the cart rail and the supporting platform 15 through the rail clamps 1 and the platform clamps 8 at the two ends of the positioning rod, and forms the foundation and the supporting part of the lateral displacement adjusting mechanism. The supporting table 2 is used for supporting the adjusting rod 3 to be parallel to the positioning rod 5, so that the stability of the adjusting rod 3 in the using process is ensured. The nuts of the long adjusting bolts 4 are pulled by a spanner to drive the long adjusting bolts 4 to be screwed with the nuts 6 on the fixing plate 7, the distance between the adjusting rods 3 and the side rims of the wheels of the trolley can be accurately adjusted, when the adjusting rods 3 contact the side rims of the wheels of the trolley, the distance between the adjusting rods 3 is continuously lengthened, the wheels can be pushed to move perpendicular to the track direction, so that the positions of the wheels are adjusted, until the wheels are in the same straight line with the wheels of other trolleys on the trolley, the distance between the adjusting rods 3 and the side rims of the wheels can be accurately adjusted, and therefore the side rims of the wheels can be contacted in the trolley installation process, and the positions of the wheels can be adjusted. The 4 fixing nuts 9 on the supporting platform 15 are welded and fixed, the 4 fastening nuts 10 are installed on the adjusting bolts 11, the 4 adjusting bolts 11 are installed at the fixing nuts 9 on the supporting platform 15, and the height of the trolley is adjusted to be in a horizontal position capable of being placed in the movable trolley 12 according to the trolley and the track height. The rail clip 1 is welded to the positioning rod 5 according to the position in the figure, the other end of the positioning rod is welded to the fixing plate 7 at a specified position, and then the platform clip 8 is welded to the fixing plate 7 at a position capable of keeping the positioning rod 5 horizontal according to the relative height of the rail and the supporting platform 15. The nut 6 is welded and fixed at the appointed round hole of the fixed plate 7, the long adjusting bolt 4 passes through the nut 6 on the fixed plate 7 as shown in the figure, the screw tooth end of the long adjusting bolt is welded and fixed with the adjusting rod 3, the supporting table 2 and the positioning rod 5 are welded and fixed at the appointed position, and the adjusting rod 5 and the positioning rod 7 are kept parallel.
The manufacturing method of the replacement platform for the gantry crane trolley comprises the following steps: and manufacturing a supporting platform by using No. 16 channel steel, welding flat plates with the same length as the channel steel on two sides of the channel steel, and punching holes on the flat plates according to preset positions. The top ends of the fixing bolts are processed into cone shapes, the fixing bolts are welded and fixed on the supporting platform according to preset positions, 4 fastening nuts 10 are installed on the adjusting bolts 11, 4 adjusting bolts 11 are installed on the fixing nuts 9 on the supporting platform 15, and the heights of the fixing bolts are adjusted to be in the horizontal position capable of being placed in the movable trolley 12 according to the heights of the trolley and the track. The rail clip 1 is welded to the positioning rod 5 according to the position in the figure, the other end of the positioning rod is welded to the fixing plate 7 at a specified position, and then the platform clip 8 is welded to the fixing plate 7 at a position capable of keeping the positioning rod 5 horizontal according to the relative height of the rail and the supporting platform 15. The nut 6 is welded and fixed at the appointed round hole of the fixed plate 7, the long adjusting bolt 4 passes through the nut 6 on the fixed plate 7 as shown in the figure, the screw tooth end of the long adjusting bolt is welded and fixed with the adjusting rod 3, the supporting table 2 and the positioning rod 5 are welded and fixed at the appointed position, and the adjusting rod 5 and the positioning rod 7 are kept parallel.
The working process comprises the following steps: referring to fig. 1-6, referring to fig. 2, the trolley is first lifted by moving the trolley entirely out of the range of the trolley support 23. Therefore, according to the distance that the trolley needs to move on the trolley track 18 and the length of the supporting platforms 12, the total length of the plurality of supporting platforms 12 can be suitable for the distance needed by replacing the trolley, a needed number of supporting platforms 12 are selected, one supporting platform 12 is firstly placed under the trolley reduction gearbox to be closely attached to the track sleeper, then 2 lateral displacement adjusting mechanisms are taken out, the platform clamps 3 are respectively placed on two ends of the supporting platform 12 to clamp the side plates of the supporting platform 12, meanwhile, the distance between the supporting platform 12 and the track is adjusted to clamp the track clamp 1 on the track to fix the track clamp, then 4 adjusting bolts 10 are used for rotating, the supporting platform 12 is lifted up in height, then each adjusting bolt 10 is adjusted according to the concave-convex surface of the ground, the supporting platform 12 is kept horizontal, and finally the fastening bolts 9 are screwed. Then the mobile trolley 11 is placed under the reduction gearbox in the track on the inner side of the supporting platform 12, a proper amount of backing plates 13 are added to the horizontal plates according to the vertical height between the horizontal plates and the bottom of the reduction gearbox until the mobile trolley 11 is very close to the bottom of the reduction gearbox, the backing plates 13 cannot be added, then the heights of other supporting platforms 12 are adjusted to be consistent with the heights of the previous supporting platforms 12, then the connecting plates 14 and the adjacent two supporting platforms 12 are fixedly attached by using the connecting bolts 13, a plurality of supporting platforms are connected into a whole, finally two lateral displacement adjusting mechanisms are respectively moved to the two ends of the whole supporting platform, and the cart track 18 and the supporting platform 15 are fixedly connected again by using the track clamps 1 and the platform clamps 3.
Then, the trolley is detached, referring to fig. 3, the connection point 22 is detached, after the trolley is separated from the travelling crane, the balance of the trolley is lost due to the dead weight, the reduction gearbox falls onto the travelling trolley 11 which is closely attached to the bottom of the reduction gearbox, and then the adjusting bolt 10 can be adjusted again to keep the trolley wheels horizontal. After the adjustment is finished, the brake of the trolley speed reducer is released, and then the trolley is pushed to move along the track direction so that the trolley moves out of the driving range, the trolley wheel side walks on the track, and the reduction gearbox side walks on the supporting platform 12 by virtue of the movable trolley 11. When the trolley is moved to a predetermined position, it can be lifted off the track.
At this time, the new trolley is hoisted and placed at the position of the original trolley on the track, and the bottom of the reduction gearbox is placed on the movable trolley 11. The brake of the new trolley speed reducer is released, then the new trolley is pushed to move towards the travelling support 23 along the track direction so that the trolley enters the travelling support range, the wheel side of the new trolley walks on the track, the reduction gearbox side walks on the supporting platform 12 by virtue of the movable trolley 11, and when the new trolley moves to the trolley installation position connecting point 22, the movement is stopped.
At this point the mounting position of the new trolley parallel to the wheel direction has been reached, but the mounting position sideways of the wheel still needs to be adjusted. Referring to fig. 4, first, 2 lateral displacement adjustment mechanisms are taken out, the rail clips 1 thereof are placed beside the two wheels of the new trolley respectively to clip the rails, and the platform clips 3 are clipped onto the side plates of the support platform 12 to fix them. At this time, the distance between the wheel side rim and the rail and the distance between the current rail and the supporting platform are calculated, the length of the adjusting rod 5, which is required to be reached when the adjusting rod 5 contacts the wheel side, is adjusted by a spanner to enable the length of the adjusting rod 5 to reach the preset length, the length of the adjusting rod is increased clockwise, the length of the adjusting rod is reduced anticlockwise, the adjusting rod 5 can automatically adjust the wheel to the preset lateral position, and then the length of the adjusting rod 5 beside the two wheels is enabled to be the same by fine adjustment of the length of the adjusting rod 6. After the adjustment is finished, the trolley and the travelling crane are connected and fixed, then the lateral adjustment mechanism is disassembled in sequence, the height of the supporting platform 12 is lowered, the connecting bolts 13 and the connecting plates 14 are disassembled, the travelling trolley 11 is moved out, and the supporting platform 12 is taken out.
It should be noted that the above-mentioned embodiments are not intended to limit the scope of the present invention, and equivalent changes or substitutions made on the basis of the above-mentioned technical solutions fall within the scope of the present invention as defined in the claims.
Claims (3)
1. A replacing platform for a gantry crane trolley, which is characterized by comprising a detachable platform supporting mechanism, a trolley auxiliary travelling mechanism and a lateral displacement adjusting mechanism, wherein the trolley auxiliary travelling mechanism and the lateral displacement adjusting mechanism are arranged on the detachable platform supporting mechanism, the detachable platform supporting mechanism comprises supporting platforms, fixing nuts, fastening nuts, adjusting bolts, connecting bolts and connecting plates, each supporting platform is supported on the ground through the adjusting bolts, the two supporting platforms are connected and fixed through the connecting bolts and the connecting plates, the trolley auxiliary travelling mechanism comprises a movable trolley, a base plate and side plates, an upper flat plate of the movable trolley is used for placing a trolley reduction gearbox base separated from a crane, the base plate is used for adjusting the flat plate height on the movable trolley, when the trolley is separated from the crane and falls onto the rear movable trolley, the reduction gearbox is prevented from sliding out of the movable trolley when the trolley is moved by the side plates, the lateral displacement adjusting mechanism comprises a track clamp, a supporting platform, an adjusting rod, a long adjusting bolt, a positioning rod, a nut, a clamp and a positioning rod, and a positioning rod are respectively clamped by the two ends of the supporting platform and the positioning rod are respectively parallel to the supporting platform; the nut of the long adjusting bolt is pulled by a spanner to drive the long adjusting bolt to be screwed with the nut on the fixed plate.
2. The method for manufacturing a replacement platform for a gantry crane trolley according to claim 1, characterized in that it comprises the following steps: the method comprises the steps of manufacturing a supporting platform by using channel steel, welding flat plates with the same length as the channel steel on two sides of the channel steel, punching holes on the flat plates according to preset positions, machining the top ends of fixing bolts into cone shapes, welding and fixing the fixing bolts on the supporting platform according to preset positions, installing fastening nuts on the adjusting bolts, installing the adjusting bolts on the fixing nuts on the supporting platform, adjusting the heights of the adjusting bolts to the horizontal positions of the trolley according to the heights of the trolley and the track, welding and fixing a track clamp and a locating rod, welding and fixing the other end of the locating rod and a fixing plate at the designated positions, welding and fixing the platform clamp and the fixing plate at the designated round holes of the fixing plate according to the relative heights of the track and the supporting platform, welding and fixing the supporting platform and the locating rod at the designated positions, and keeping the adjusting rod and the locating rod parallel.
3. The replacement method for a replacement platform for a gantry crane trolley according to claim 1, characterized in that it comprises the following steps: firstly, the trolley is wholly moved out of the range of the trolley bracket, and the trolley is lifted away; according to the distance that the trolley needs to move on the large trolley track and the length of the supporting platforms, the total length of the plurality of supporting platforms connected together can be suitable for the distance needed by replacing the trolley, a needed number of supporting platforms are selected, one supporting platform is firstly placed below a trolley reduction gearbox to be clung to a track sleeper, then 2 lateral displacement adjusting mechanisms are taken out, platform clamps are respectively placed at two ends of the supporting platform to clamp side plates of the supporting platform (12), meanwhile, the distance between the supporting platform and the track is adjusted, the track clamps are clamped on the track to fix the track clamps, then 4 adjusting bolts are rotated by a spanner to enable the supporting platform to be lifted up, each adjusting bolt is adjusted according to the concave-convex surface of the ground, the supporting platform is kept horizontal, and finally fastening bolts are screwed; then, the movable trolley is placed below a reduction gearbox in a track on the inner side of the supporting platform, a connecting plate and two adjacent supporting platforms are fastened by connecting bolts, a plurality of supporting platforms are connected into a whole, finally, two lateral displacement adjusting mechanisms are respectively moved to two ends of the whole supporting platform, and a track clamp and a platform clamp are used for connecting and fixing the cart track and the supporting platform again; then the trolley is disassembled, a new trolley is hoisted and placed at the position of the original trolley on the track, and the bottom of the reduction gearbox is placed on the movable trolley; firstly, releasing a brake of a new trolley speed reducer, then pushing the new trolley to move towards a travelling support (23) along the track direction so that the trolley enters the range of the travelling support, enabling the wheel side of the new trolley to walk on the track, enabling the reduction gearbox side to walk on a supporting platform by means of a movable trolley, and stopping moving when the new trolley moves to a trolley installation position connecting point; at this time, the installation position of the new trolley parallel to the wheel direction is reached, and the installation position of the wheel side direction still needs to be adjusted; after the adjustment is finished, the trolley and the travelling crane are connected and fixed, then the lateral adjustment mechanism is disassembled in sequence, the height of the supporting platform is lowered, the connecting bolts and the connecting plates are disassembled, the travelling trolley is moved out, and the supporting platform is taken out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549875.2A CN113799073B (en) | 2020-06-16 | 2020-06-16 | A change platform for planer-type crane platform truck |
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| CN202010549875.2A CN113799073B (en) | 2020-06-16 | 2020-06-16 | A change platform for planer-type crane platform truck |
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| CN113799073B true CN113799073B (en) | 2023-05-09 |
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| Publication number | Publication date |
|---|---|
| CN113799073A (en) | 2021-12-17 |
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