CN214990088U - Mobile platform - Google Patents

Abstract

The utility model provides a mobile platform belongs to hoist technical field, include: a base frame; a moving wheel set connected with the base frame, the base frame being movable by the moving wheel set; the limiting wheel set comprises two limiting wheels, the two limiting wheels are movably arranged on two sides of the base frame respectively, each limiting wheel comprises a wheel seat and a limiting idler wheel, the wheel seats are movably arranged on the cross rod, and the limiting idler wheels are connected with the wheel seats. The utility model has the advantages that: the limiting wheel set comprises two limiting wheels capable of moving on the cross rod, and when the plate frame structures with different widths are used, the relative positions of the wheel seats and the limiting idler wheels can be changed, so that the limiting idler wheels can be in conflict connection with the side faces of the plate frame structures, the side turning of the moving platform is prevented, and the limiting wheel set can be suitable for the plate frame structures with different widths.

Description

Mobile platform

Technical Field

The utility model belongs to the technical field of the hoist, a mobile platform is related to.

Background

The bridge crane is a hoisting device which is transversely arranged above workshops, warehouses and stockyards to hoist materials. Since its two ends are seated on a tall concrete column or a metal bracket, it is shaped like a bridge. The bridge frame of the bridge crane runs longitudinally along the rails laid on the elevated frames at two sides, so that the space below the bridge frame can be fully utilized to hoist materials without being hindered by ground equipment, and the moving device for hoisting objects arranged on the bridge frame is a trolley.

The bridge crane trolley needs to be painted, repaired or replaced with parts in the using process, and workers need to carry out high-altitude operation, so that moving platforms which are convenient for the workers to carry out the high-altitude operation appear.

The prior movable platform and the plate frame structure are often directly connected through a slide rail and a slide block, or the movable platform is provided with a movable wheel so as to move on the plate frame structure, for example, an invention patent with the application number of 201510117493.1 provides an auxiliary trolley for the track maintenance of a bridge crane, which comprises a frame assembly, wherein a bottom wheel assembly, a supporting wheel assembly, a locking rod assembly, a handrail and a rail lifter are respectively arranged on the frame assembly, and a group of bottom wheel assemblies are respectively arranged at four corners of the frame; a group of riding wheel components are respectively arranged in two rectangular openings in the middle of the frame; a clamping arm is sleeved on the sliding rod on the frame; a pair of rail lifters are arranged in the mounting holes of the lugs on the two sides of the frame.

To sum up, although some current technical scheme have reduced the phenomenon that the platform turned on one's side for staff's during operation is safer, but can only be used for the grillage structure of a width, because the width of different grillage structures is different, have the grillage structure that moving platform is not applicable to different widths, the condition of not being convenient enough, consequently have great improvement space.

Disclosure of Invention

The utility model aims at the above-mentioned problem that prior art exists, provide a moving platform.

The purpose of the utility model can be realized by the following technical proposal: a mobile platform, comprising: a base frame provided with a cross bar; a moving wheel set connected with the base frame, the base frame being movable by the moving wheel set; the limiting wheel set comprises two limiting wheels, the two limiting wheels are movably arranged on two sides of the base frame respectively, each limiting wheel comprises a wheel seat and a limiting idler wheel, the wheel seats are movably arranged on the cross rod, and the limiting idler wheels are connected with the wheel seats.

Preferably, the limiting wheel is provided with a locking bolt, and the locking bolt is used for being in interference connection with the cross rod so as to limit the movement of the wheel seat.

Preferably, the movable wheel set comprises a screw rod and at least two nut seats, the screw rod is fixedly connected with the base frame, each nut seat is movably connected with the screw rod, and each nut seat is provided with a movable roller.

Preferably, the movable idler wheel is provided with a locking hole, the wheel seat is provided with a locking hanging buckle, and the locking hanging buckle is used for hooking the locking hole so as to limit the rotation of the movable idler wheel.

Preferably, the locking is hung and is detained including installation piece, locking pole and locking spring, the installation piece with wheel seat fixed connection, the mobilizable one end of locking pole with the installation piece is connected and the other end can catch on the locking hole, the locking spring cover is located the installation piece and with the locking pole is contradicted and is connected.

Preferably, the movable roller is provided with an auxiliary limiting part.

Preferably, the limiting idler wheel is provided with a clamping and embedding groove.

Preferably, the base frame is further provided with a supporting plate and an articulated shaft, and the supporting plate is articulated with the base frame through the articulated shaft.

Preferably, the base frame is provided with a safety rod, and the safety rod is provided with a safety buckle capable of tying a safety belt.

Preferably, the number of the moving wheel sets and the number of the limiting wheel sets are two.

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

1. the limiting wheel set comprises two limiting wheels capable of moving on the cross rod, and when the plate frame structures with different widths are used, the relative positions of the wheel seats and the limiting idler wheels can be changed, so that the limiting idler wheels can be in contact connection with the side faces of the plate frame structures, the side turning of the mobile platform is prevented, and the wheel set can be suitable for the plate frame structures with different widths.

2. The locking bolt is arranged to limit the movement of the limiting wheel relative to the cross rod, the limiting wheel is locked on the cross rod, the limiting wheel cannot be loosened under the condition that the moving platform moves, accidents are prevented, and safety is improved.

3. Set up lead screw, two screw seats and two and remove the gyro wheel and can conveniently remove the relative position of gyro wheel to the bed frame when the grillage structure to different widths for remove that the gyro wheel can be smooth and remove on the plane, prevent simultaneously that the removal gyro wheel from structural falling of grillage, make whole moving platform turn on one's side.

4. Set up locking hole and locking and hang to detain and can restrict the removal gyro wheel and rotate, when moving platform removed, the locking was hung to detain and is not caught on the locking hole, and the removal gyro wheel can freely roll, when moving platform was static or when out of work, hung the locking with the locking and detained and catch on the locking hole, and corresponding removal gyro wheel can stop rolling.

5. The locking spring can be hung in the locking and detained and withstood the locking and hang when catching on the locking hole and detain, prevents that the locking from hanging to detain the pine and taking off and lead to removing the gyro wheel and roll for the locking is hung to detain and has self-locking function, thereby lets the locking hang to detain and more has the security.

6. The supporting plate hinged with the base frame is convenient to maintain and use, meanwhile, the strength of the base frame is improved, and particularly, when the supporting plate is covered, the mobile platform can bear workers and more articles; when the layer board is turned over, the staff can know the state of whole moving platform spare part to can be convenient maintain from bed frame top or bottom.

7. The safety rod arranged on the base frame and the safety buckle capable of being tied with the safety belt arranged on the safety rod can prevent workers or articles from accidentally falling, so that the safety of high-altitude operation of the workers is improved, and meanwhile, the articles are prevented from falling high-altitude to cause unnecessary loss.

Drawings

Fig. 1 is a schematic structural diagram of the mobile platform of the present invention.

Fig. 2 is a schematic view of the mobile platform supporting plate of the present invention in an opened state.

Fig. 3 is a schematic diagram of the mobile platform moving roller locking state of the present invention.

Fig. 4 is a schematic structural diagram of another view angle of the mobile platform according to the present invention.

Fig. 5 is a schematic structural view of the limiting wheel of the present invention.

In the figure, 100, a base frame; 110. a cross bar; 120. a support plate; 130. hinging a shaft; 140. a safety lever; 141. a safety buckle; 150. a fence; 200. a moving wheel set; 210. a screw rod; 220. a nut seat; 230. moving the roller; 231. a locking hole; 300. a limiting wheel set; 310. a limiting wheel; 311. a wheel seat; 312. limiting the idler wheel; 312a, a clamping and embedding groove; 313. a locking bolt; 320. locking and hanging buckles; 321. mounting blocks; 322. a lock lever; 323. a locking spring.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 4, and 5, a mobile platform includes: the base frame 100, the movable wheel set 200, and the limiting wheel set (not shown), it should be particularly noted that the top of the bridge frame and the top of the guide rail of the bridge crane are all plate frame structures, each plate frame structure includes a plane and two side surfaces, and the platform capable of moving on the plate frame structure and used for completing the high-altitude operation all belongs to the movable platform.

The pedestal 100 is provided with the cross rod 110, the pedestal 100 is a plate-shaped structure, the pedestal 100 mainly plays a supporting role, the side of the pedestal 100 is provided with the rail 150, the rail 150 can block workers or objects, prevent accidental dropping, and the workers can hold the rail 150 to keep the stability of the rail, ensure that the mobile platform is safer in the use process, the cross rod 110 can be connected with the pedestal 100 in a welding or riveting mode and is arranged at the front end or the rear end of the pedestal 100, both ends can be arranged, and the cross rod 110 is used for installing a limit wheel set.

A moving wheelset 200 connected to the base frame 100, the base frame 100 being movable on the pallet structure by the moving wheelset 200.

The limiting wheel set comprises two limiting wheels 310, the two limiting wheels 310 are respectively movably arranged on the left side and the right side of the base frame 100, the limiting wheels 310 comprise wheel seats 311 and limiting idler wheels 312, the wheel seats 311 are movably arranged on the cross rod 110, the limiting idler wheels 312 are rotatably connected with the wheel seats 311, and the limiting idler wheels 312 are used for being in contact with the side faces of the plate frame structure to prevent the side turning of the mobile platform. In brief, the limiting principle of the limiting wheel set is that the two limiting wheels 310 respectively clamp the left and right sides of the pallet structure, so that the base frame 100 cannot move left and right, and therefore cannot turn over or rock.

In the in-service use in-process, can set up two sets of spacing wheelsets, there are four spacing wheels 310 in the actual structure promptly, and the quantity of horizontal pole 110 also is two and sets up both ends around bed frame 100 respectively simultaneously, and two sets of spacing wheelsets set up respectively in the horizontal pole 110 at both ends around bed frame 100, and this kind of mode of setting can reduce the load of singly organizing spacing wheelset, and the left and right sides all has two spacing wheels 310 spacing simultaneously, strengthens limiting displacement, has improved the security.

It should be noted that, in the prior art, some technical schemes have adopted the mode of fixed mounting spacing wheel, have effectively reduced the phenomenon that moving platform turned on one's side for staff's work is safer, but this kind of technical scheme can only be used for the grillage structure of a width, and because the width of guide rail or crane span structure etc. is different in the in-service use process, top grillage structure is also different, and moving platform often needs to adapt to different grillage structures, and this kind of technical scheme is not suitable for the grillage structure of different widths, and is not convenient enough.

In the above embodiment, the limiting wheel set includes two limiting wheels 310 capable of moving on the cross bar 110, and when the plate frame structures with different widths are used, the relative position of the wheel seat 311 to the cross bar 110 can be changed to change the relative position of the limiting roller 312, so that the limiting roller 312 can be in contact connection with the side of the plate frame structure, and the side turning of the mobile platform is prevented, and therefore, the limiting wheel set can be applied to the plate frame structures with different widths.

As shown in fig. 1, 2, 3, 4, and 5, in addition to the above embodiment, the limiting wheel 310 is provided with a locking bolt 313, and the locking bolt 313 is used for abutting against the crossbar 110 to limit the movement of the wheel seat 311, specifically, when the locking bolt 313 does not abut against the crossbar 110, the relative position of the wheel seat 311 to the crossbar 110 can be changed to change the relative position of the limiting roller 312, and when the locking bolt 313 abuts against the crossbar 110, the relative position of the wheel seat 311 to the crossbar 110 cannot be changed due to the friction force between the two, and at this time, the limiting wheel 310 is in a locked state.

Preferably, the locking bolt 313 is arranged to limit the movement of the limiting wheel 310 relative to the cross bar 110 and lock the limiting wheel 310 on the cross bar 110, so that the limiting wheel 310 is not loosened when the mobile platform moves, accidents are prevented, and safety is improved.

As shown in fig. 1, 2, 3, and 4, on the basis of the above embodiment, the moving wheel set 200 includes a screw rod 210 and at least two nut seats 220, the screw rod 210 is fixedly connected to the base frame 100, each nut seat 220 is movably connected to the screw rod 210, each nut seat 220 is provided with a moving roller 230, and the nut seat 220 is used for limiting the movement of the moving roller 230.

In the actual use process, two sets of moving wheel sets 200 may be provided, that is, there are four screw sockets 220 and moving rollers 230 in the actual structure, and meanwhile, the number of the screws 210 is two and is set along the front and back of the base frame 100, and the two sets of moving wheel sets 200 are respectively provided on the cross bars 110 at the front and back ends of the base frame 100, and this setting mode can reduce the load of the single set of moving wheel sets 200.

Preferably, set up lead screw 210, two nut seats 220 and two and remove gyro wheels 230 and can conveniently remove the relative position of gyro wheel 230 to bed frame 100 when the grillage structure to different widths for remove the gyro wheel 230 can be smooth and move on the grillage structure, prevent simultaneously that the removal gyro wheel 230 from falling off the grillage structure, make whole moving platform turn on one's side.

As shown in fig. 1, 2, 3, 4, and 5, in addition to the above embodiment, the movable roller 230 is provided with a locking hole 231, the wheel seat 311 is provided with a locking hook 320, and the locking hook 320 is used for hooking the locking hole 231 to limit the rotation of the movable roller 230.

In the actual use process, the plurality of movable rollers 230 can be provided with the locking holes 231, and the wheel seats 311 close to the movable rollers 230 are respectively provided with the locking hooks 320 with the same number as the locking holes 231, or only one locking hole 231 and one locking hook 320 can be provided, wherein the specific number depends on the use requirement of the movable platform.

Preferably, the locking hole 231 and the locking hook 320 are arranged to limit the rotation of the movable roller 230, when the movable platform moves, the locking hook 320 does not hook the locking hole 231, the movable roller 230 can roll freely, when the movable platform is stationary or does not work, the locking hook 320 hooks the locking hole 231, and the corresponding movable roller 230 can stop rolling.

As shown in fig. 1, 2, 3, 4, and 5, in addition to the above embodiment, the locking hook 320 includes an installation block 321, a locking rod 322, and a locking spring 323, the installation block 321 is fixedly connected to the wheel seat 311, one end of the locking rod 322 is movably connected to the installation block 321, the other end of the locking rod can hook the locking hole 231, and the locking spring 323 is sleeved in the installation hole 321 and is connected to the locking rod 322 in an abutting manner.

From the theory of operation, when the movable roller 230 needs to be locked, one end of the locking rod 322 moves to the mounting block 321, at this time, the locking spring 323 is compressed, the other end of the locking rod 322 aligns to the locking hole 231, the locking rod 322 is released, the locking spring 323 can extend due to the elastic force of the locking spring 323 and pushes the locking rod 322 back to the original position, so that one end of the locking rod 322 aligning to the locking hole 231 can extend into the locking hole 231, the movable roller 230 is locked, and under the locking condition, the movable roller 230 cannot be unlocked by itself.

Preferably, the locking spring 323 can support the locking hook 320 when the locking hook 320 hooks the locking hole 231, so as to prevent the locking hook 320 from loosening and causing the movable roller 230 to roll, so that the locking hook 320 has a self-locking function, and the locking hook 320 has higher safety.

As shown in fig. 1, 2, 3 and 4, in addition to the above embodiments, the base frame 100 is further provided with a supporting plate 120 and a hinge shaft 130, the supporting plate 120 is hinged to the base frame 100 through the hinge shaft 130, the supporting plate 120 is actually a flat plate, and the supporting plate 120 may have a square plate-shaped structure or a circular plate-shaped structure, or may have other shapes as long as it can function as a person or a load.

Preferably, the pallet 120 hinged to the base frame 100 is provided to facilitate maintenance and use of the base frame 100, and also to increase the strength of the base frame 100, particularly, when the pallet 120 is covered, the mobile platform can carry workers and more articles; when the pallet 120 is flipped open, the worker can understand the status of the entire mobile platform components and can easily perform maintenance from the top or bottom of the pedestal 100.

As shown in fig. 1, 2, 3, and 4, on the basis of the above embodiments, the movable roller 230 is provided with an auxiliary limiting portion which is connected to the side surface of the plate frame structure in an abutting manner, and preferably, the auxiliary limiting portion provided on the movable roller 230 can perform an auxiliary limiting function, so as to ensure that the movable platform is prevented from rolling over.

As shown in fig. 1, 2, 3, 4, and 5, on the basis of the above embodiment, the limiting roller 312 is provided with a fastening groove 312a adapted to the plate frame structure, the fastening groove 312a is in interference connection with the plane and the side surface of the plate frame structure, and preferably, the fastening groove 312a is adapted to the plate frame structure in shape, so as to limit the side turning of the mobile platform.

As shown in fig. 1, 2, 3 and 4, on the basis of the above embodiment, the base frame 100 is provided with a safety lever 140, the safety lever 140 is provided with a safety catch 141 capable of tying a safety belt, and a worker or an article can tie the safety belt passing through the safety catch 141 during the actual use.

Preferably, the safety rod 140 provided on the base frame 100 and the safety rod 140 provided with the safety catch 141 capable of tying a safety belt can prevent workers or articles from accidentally falling off, thereby increasing the safety of workers working at high altitudes and preventing articles from unnecessarily falling off at high altitudes.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A mobile platform, comprising:

a base frame provided with a cross bar;

a moving wheel set connected with the base frame, the base frame being movable by the moving wheel set;

the limiting wheel set comprises two limiting wheels, the two limiting wheels are movably arranged on two sides of the base frame respectively, each limiting wheel comprises a wheel seat and a limiting idler wheel, the wheel seats are movably arranged on the cross rod, and the limiting idler wheels are connected with the wheel seats.

2. A mobile platform as in claim 1, wherein: the limiting wheel is provided with a locking bolt, and the locking bolt is used for being in abutting joint with the cross rod so as to limit the movement of the wheel seat.

3. A mobile platform as in claim 1, wherein: the movable wheel set comprises a screw rod and at least two screw seats, the screw rod is fixedly connected with the base frame, the screw seats are all movable and connected with the screw rod, and each screw seat is provided with a movable roller.

4. A mobile platform as in claim 3, wherein: the movable idler wheel is provided with a locking hole, the wheel seat is provided with a locking hanging buckle, and the locking hanging buckle is used for hooking the locking hole to limit the rotation of the movable idler wheel.

5. The mobile platform of claim 4, wherein: the locking is hung and is detained including installation piece, locking pole and locking spring, the installation piece with wheel seat fixed connection, the one end of locking pole mobilizable with the installation piece is connected and the other end can catch on the locking hole, the locking spring cover is located the installation piece and with the locking pole is contradicted and is connected.

6. A mobile platform as in claim 3, wherein: the movable roller is provided with an auxiliary limiting part.

7. A mobile platform as in claim 1, wherein: the limiting idler wheel is provided with a clamping and embedding groove.

8. A mobile platform as in claim 1, wherein: the base frame is further provided with a supporting plate and an articulated shaft, and the supporting plate is articulated with the base frame through the articulated shaft.

9. A mobile platform as in claim 8, wherein: the base frame is provided with a safety rod, and the safety rod is provided with a safety buckle capable of tying a safety belt.

10. A mobile platform as in claim 1, wherein: the number of the movable wheel sets and the number of the limit wheel sets are two.

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