CN220149041U - High-precision suspension mounting type heavy-load walking chassis - Google Patents
High-precision suspension mounting type heavy-load walking chassis Download PDFInfo
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- CN220149041U CN220149041U CN202321644120.6U CN202321644120U CN220149041U CN 220149041 U CN220149041 U CN 220149041U CN 202321644120 U CN202321644120 U CN 202321644120U CN 220149041 U CN220149041 U CN 220149041U
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- 239000000725 suspension Substances 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 3
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- 230000005611 electricity Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
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- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a high-precision suspension mounting type heavy-load walking chassis which comprises a top plate, a bottom plate and left and right side plates, wherein a bearing wheel contacted with the top surface of a running rail is arranged on the top plate, a limiting wheel, a driving wheel contacted with the side surface of the running rail and a side swinging wheel are arranged on the left side plate, a positioning wheel contacted with the side surface of the running rail is arranged on the right side plate, the driving wheel and the side swinging wheel adopt a swinging arm assembly to realize the floating of the driving wheel and the side swinging wheel, and an electricity taking sliding contact line brush head is arranged on the bottom plate. The traveling chassis provided by the utility model is held and tightly supported on the overhead hoisting rail under the drive of the driving motor, can meet the over-bending operation requirement of the operation rail, has the characteristics of high precision, high load, high stability and strong curve adaptability, and can smoothly operate on the straight rail and the curve rail, and is easy to install, maintain and high in safety.
Description
Technical Field
The utility model relates to a high-precision suspension mounting type heavy-load walking chassis, and belongs to the technical field of rail equipment.
Background
The walking chassis is a moving part for equipment walking on a track, at present, for the overhead track hoisting walking chassis, partial heavy load low-precision equipment (such as coal transportation equipment in a tunnel) and lightweight high-precision equipment (such as pipeline inspection and monitoring and warehouse pipeline) are applied to the market, but when heavy equipment is in overhead lifting track operation, the stopping of any point on the track cannot achieve millimeter-level refined automatic control, and at present, the overhead hoisting heavy equipment is mostly in straight track operation and temporarily has no adaptability to bent tracks. Therefore, the problems that the traveling chassis is inconvenient to hoist, low in operation precision, low in stability, low in control precision, incapable of adapting to a track with a certain curvature and the like exist when heavy equipment works on an aerial track are necessary to be solved.
Disclosure of Invention
In view of the above, the utility model provides a high-precision suspension mounting type heavy-load walking chassis, which is driven by a driving motor to tightly hold and tightly move on an overhead hoisting rail, can meet the over-bending operation requirement of the operation rail, has the characteristics of high precision, high load, high stability and strong bend adaptability, and can smoothly move on a straight rail and a bent rail, and is easy to install and maintain and high in safety.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a high accuracy suspension mounting formula heavy load walking chassis, includes roof, bottom plate and left and right sides board, set up the carrier wheel with the contact of operation track top surface on the roof, set up spacing wheel and drive wheel and the side pendulum wheel with the contact of operation track side on the left side board, set up the locating wheel with the contact of operation track side on the right side board, drive wheel and side pendulum wheel adopt swing arm subassembly to realize the float of drive wheel and side pendulum wheel, be provided with on the bottom plate and get electric wiping line brush head.
According to the walking chassis disclosed by the utility model, the running stability of the walking chassis is improved through the rail holding structure formed by the top bearing wheel, the side plate driving wheels, the side balance wheels and the positioning wheels. The roof bearing wheels are used for bearing the whole weight of the equipment, different numbers of bearing wheels can be arranged according to the load requirement of the walking chassis to meet the heavy-load stable running of the walking chassis, the bearing wheels are all positioned at the same height to ensure the up-down precision of the running of the chassis, the surface hardening treatment is carried out on the surface of the bearing wheels, which is in contact with the running rail, and the bearing capacity of the bearing wheels can be increased.
The setting of curb plate spacing wheel can prevent that the walking chassis from falling from the track. When the walking chassis normally operates, the limiting wheels are not in contact with the track, and when one bearing wheel of the top plate of the walking chassis falls off, the limiting wheels can prop against the side surface of the track, so that the walking chassis is prevented from falling off from the track.
The driving wheel adopts a spring swing arm structure, the driving motor and the driving wheel are in a floating state, the driving wheel has larger pretightening force on the running track, and the driving wheel always abuts against the track in the running process. And the side balance wheel is arranged at the same height as the driving wheel, and the side balance wheel assembly also adopts a spring swing arm structure, so that the side balance wheel always abuts against the track in the running process. The opposite sides of the driving wheel are positioning wheels, the positioning wheels are steel wheels, and in the running process, the positioning wheels play a role in left and right positioning, so that the left and right running accuracy of the running chassis is ensured. When the walking chassis is over-bent, the positioning wheels are always tightly attached to the track, and the driving wheels and the side swing wheels float to adapt to the change of the spacing between the directional wheels and the driving wheels and between the directional wheels and the side swing wheels when the walking chassis is over-bent, so that the stability and the fluency of the walking chassis over-bending are ensured.
The travelling chassis uses the trolley wire to take electricity for the driving motor of the driving wheel to run, the upper surface of the chassis base plate is provided with the electric trolley wire brush head, the lower surface of the running track is provided with the trolley wire sliding groove, and the trolley wire brush head is arranged in the trolley wire sliding groove.
The walking chassis provided by the utility model realizes walking by using roller driving, and avoids the possibility of locking of the gear rack driving.
The walking chassis has low precision requirement on the guide rail and is more convenient to maintain.
Further, the bottom plate of the walking chassis is provided with the lower leaning wheel, the lower leaning wheel is not contacted with the bottom surface of the track during normal operation, and when the walking chassis is started or stopped suddenly, the lower leaning wheel can prevent the walking chassis from swinging back and forth along the track direction and prevent the chassis from overturning in the track direction.
Further, a code scanning sensor is arranged on a side plate of the walking chassis. The continuous two-dimensional codes are arranged on the side surfaces of the tracks corresponding to the code scanning sensors, the code scanning sensors recognize the tracks of the walking chassis in real time by recognizing the two-dimensional codes, the positions of the walking chassis are determined in real time, and the running accuracy of the track directions of the chassis is guaranteed.
Preferably, the swing arm assembly adopts a spring swing arm structure and comprises a base, a swing arm shaft, a rotating shaft and a spring adjusting mechanism, wherein the driving wheel or the side swing wheel is arranged on the swing arm, one end of the swing arm is hinged with the base through the swing arm shaft, and the other end of the swing arm is hinged with the spring adjusting mechanism through the rotating shaft.
Preferably, the spring adjusting mechanism comprises a spring, a spring guide shaft and a spring pendulum shaft, wherein the spring is sleeved on the spring guide shaft, one end of the spring guide shaft is sleeved on the rotating shaft, and the other end of the spring guide shaft is sleeved and fixed on the spring pendulum shaft.
Further, the bottom plate and the left side plate and the right side plate are connected into a U-shaped frame through welding, the top plate is connected with the U-shaped frame through bolts, the installation convenience of the walking chassis on the track is improved, the triangular rib plates of the side bolt fixing reinforcing plates of the top plate and the left side plate and the right side plate are reinforced, and the connection stability of the top plate and the side plates is improved.
Further, the bearing wheel, the driving wheel, the side balance wheel, the positioning wheel, the lower leaning wheel, the limiting wheel, the power taking sliding contact line brush head and the code scanning sensor are connected with the walking chassis through bolts, and maintenance of each component is improved.
Compared with the prior art, the utility model has the following beneficial effects:
the high-precision suspension mounting type heavy-load walking chassis provided by the utility model is tightly held and pressed on an aerial lifting rail under the drive of a driving wheel driving motor, has the operation characteristics of high precision, high load, high stability and strong bend adaptability, smoothly operates on a straight rail and a bent rail, is suitable for being used in heavy-load environments, high-precision environments, aerial bent rail environments and other environments, has a wide application range, and meanwhile, the bolt connection mode of a top plate and a U-shaped frame improves the installation convenience of the chassis, the bolt connection mode of each component and the frame improves the maintenance convenience of the components.
Drawings
FIG. 1 is a left-hand structural schematic view of a walking chassis of the present utility model;
FIG. 2 is a right-hand structural schematic view of the walking chassis of the present utility model;
FIG. 3 is a schematic diagram of a driving wheel swing arm assembly according to the present utility model;
fig. 4 is a schematic structural view of the side balance swing arm assembly of the present utility model.
In the figure: 1-a top plate; 2-left side plate; 3-right side plate; 4-a bottom plate; 5-a carrying wheel; 6, a limiting wheel; 7-driving wheels; 8-a side balance; 9-positioning wheels; 10-a lower leaning wheel; 11-taking an electric sliding contact line brush head; 12, a code scanning sensor; 13- -triangular rib plates;
701-a drive wheel base; 702-a drive wheel swing arm; 703-a drive wheel swing arm shaft; 704-driving wheel rotation shaft; 705-drive wheel spring; 706—drive wheel spring guide shaft; 707—drive wheel spring pendulum shaft; 708-a drive motor; 709-driving a speed reducer;
801-side swing wheel base; 802-side swing wheel swing arms; 803-side swing wheel swing arm shaft; 804-side balance wheel shaft; 805-side wobble wheel springs; 806-side swing wheel spring guide shaft; 807-side balance spring balance shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples:
referring to fig. 1 and 2, the utility model provides a high-precision suspension-mounting type heavy-load walking chassis, which comprises a top plate 1, a left side plate 2, a right side plate 3 and a bottom plate 4, wherein four bearing wheels 5 which are contacted with the top surface of a running rail are arranged on the top plate 1, two limit wheels 6, a driving wheel 7 and a side swinging wheel 8 which are contacted with the side surface of the running rail, and a code sweeping sensor 12 are arranged on the left side plate 2, the side swinging wheel 8 and the driving wheel 7 are positioned at the same level, four positioning wheels 9 which are contacted with the side surface of the running rail and the code sweeping sensor 12 are arranged on the right side plate 3, the positions of the two positioning wheels 9 are corresponding to the positions of the limit wheels 6 on the left side plate, the positions of the other two positioning wheels 9 are corresponding to the positions of the driving wheel 7 and the side swinging wheel 8, and a power taking sliding wire brushing head 11 and four leaning wheels 10 are arranged on the bottom plate 4. The bearing wheel 5, the limiting wheel 6, the driving wheel 7, the side balance wheel 8, the positioning wheel 9, the lower leaning wheel 10, the electricity taking sliding contact line brush head 11 and the code scanning sensor 12 are fixed on the chassis frame in a mode that the base is connected with the walking chassis through bolts, so that each component is convenient to detach and maintain independently, and the maintainability of the component is improved.
The driving wheel 7 and the side swing wheel 8 adopt a spring swing arm structure, so that the driving wheel and the side swing wheel are in a floating state to adapt to the chassis overbending requirement. Referring to fig. 3, the spring swing arm structure of the driving wheel comprises a driving wheel base 701, a driving wheel swing arm 702, a driving wheel swing arm shaft 703, a driving wheel rotating shaft 704 and a spring adjusting mechanism, wherein the driving wheel 7 is arranged on the driving wheel swing arm 702, one end of the driving wheel swing arm 702 is hinged with the driving wheel base 701 through the driving wheel swing arm shaft 703, and the other end is hinged with the spring adjusting mechanism through the driving wheel rotating shaft 704. The spring adjusting mechanism comprises a driving spring 705, a driving spring guide shaft 706 and a driving spring swing shaft 707, wherein the driving spring 705 is sleeved on the driving spring guide shaft 706, one end of the driving spring guide shaft 706 is sleeved on the driving rotating shaft 704, and the other end of the driving spring guide shaft 706 penetrates through the driving base 701 to be sleeved and fixed on the driving spring swing shaft 707. The driving wheel spring 705 makes the driving wheel have pretightening force to the track, and the different pretightening forces of different spring compression amounts change the pretightening force, and different pretightening forces adapt to different track bending degrees, and pretightening force size can be adjusted through adjusting the position of the driving wheel spring guide shaft 706, and pretightening force adjustment principle is for adjusting according to equipment overall weight and making pretightening force guarantee stable transmission between driving wheel and the track. A drive reducer 709 and a drive motor 708 are fixed under the drive wheel swing arm 702, and the drive motor drives the drive reducer to rotate so as to drive the drive wheel 7 to rotate.
Referring to fig. 4, the spring swing arm structure of the side balance comprises a side balance base 801, a side balance swing arm 802, a side balance swing arm shaft 803, a side balance wheel rotating shaft 804 and a spring adjusting mechanism, wherein the side balance 8 is arranged on the side balance swing arm 802, one end of the side balance swing arm 802 is hinged with the side balance base 801 through the side balance swing arm shaft 803, and the other end is hinged with the spring adjusting mechanism through the side balance wheel rotating shaft 804. The spring adjusting mechanism comprises a side-swinging wheel spring 805, a side-swinging wheel spring guide shaft 806 and a side-swinging wheel spring swinging shaft 807, wherein the side-swinging wheel spring 805 is sleeved on the side-swinging wheel spring guide shaft 806, one end of the side-swinging wheel spring guide shaft 806 is sleeved on the side-swinging wheel rotating shaft 804, and the other end of the side-swinging wheel spring guide shaft 806 penetrates through the side-swinging wheel base 801 to be sleeved and fixed on the side-swinging wheel spring swinging shaft 807. The side balance spring 805 provides a preload to the side balance pair rail that is adjustable via the side balance spring guide shaft 806 on the principle of adjusting the preload to ensure a smooth drive between the side balance and rail based on the overall weight of the device.
The carrying wheels 5 are used for carrying the whole weight of the equipment, and different numbers of carrying wheels can be arranged according to the load requirement of the walking chassis to meet the heavy-load stable operation of the walking chassis, and the number of the carrying wheels is four in the embodiment. The bearing wheels 5 are all at the same height so as to ensure the up-down precision of the chassis running, and the surface hardening treatment is carried out on the surface of the bearing wheels, which is contacted with the running rail, so that the bearing capacity of the bearing wheels can be increased.
The limiting wheels 6 can prevent the walking chassis from falling off the track. When the walking chassis normally operates, the limiting wheels are not in contact with the track, and when one bearing wheel of the top plate of the walking chassis falls off, the limiting wheels can prop against the side surface of the track, so that the walking chassis is prevented from falling off from the track.
The arrangement of the leaning wheel 10 can prevent the running chassis from overturning in the rail direction during emergency braking, and ensure the running safety. The lower leaning wheel is not contacted with the bottom surface of the track during normal operation, and can prevent the walking chassis from swinging back and forth along the track direction and from overturning in the track direction when the walking chassis is started or stopped suddenly.
The code scanning sensor 12 can carry out walking positioning on a walking chassis, and ensures the rail direction running precision of the chassis. The side plate of the walking chassis is provided with a code scanning sensor 12, a continuous two-dimensional code is arranged on the side surface of the track corresponding to the code scanning sensor, the code scanning sensor recognizes the track of the walking chassis in real time by recognizing the two-dimensional code, and the position of the walking chassis is determined in real time to carry out walking positioning. And the two-dimensional code positioning is adopted, error accumulation is avoided, and the method is suitable for long-distance positioning.
The traveling chassis provided in this embodiment uses the trolley wire to get electricity to supply the driving motor 708 of driving wheel to operate, installs and gets electricity trolley wire brush head 11 on the upper surface of traveling chassis bottom plate 4, installs the trolley wire spout at the lower surface of the orbit, and the trolley wire brush head sets up in the trolley wire spout.
In the actual production process, the bottom plate 4, the left side plate 2 and the right side plate 3 form an integrated U-shaped frame in a welding mode, and the top plate 1 and the U-shaped frame are connected together through bolts, so that the walking chassis is convenient to install on a track. The side surfaces of the top plate 1 and the left and right side plates are reinforced by the triangular rib plates 13 fixed by bolts, so that the connection stability of the top plate and the side plates can be improved.
The working mode of the routine walking chassis is as follows: when the straight-line section track runs, the driving wheel 7 and the side balance wheel 8 have certain pretightening force relative to the track, the top bearing wheel 5 is contacted with the wear-resisting strip on the upper surface of the running track, and the driving wheel 7, the side balance wheel 8 and the opposite side positioning wheel 9 simultaneously push against the side surface of the track to form holding clamp potential. The bearing wheel 5, the side balance wheel 8 and the positioning wheel 9 are all directional wheels and can run in a rolling mode on a track under the drive of a driving wheel. The program controls the driving motor 708 to rotate, the running chassis starts to run under the action of the friction force between the driving wheel 7 and the side surface of the track, and meanwhile, the running direction of the running chassis can be controlled by controlling different rotation directions of the driving motor. The two-dimensional codes on the track are identified in real time through the code scanning sensor 12, so that the position of the walking chassis can be determined in real time.
When the walking chassis enters the curved track from the straight track, the driving wheel 7 and the side balance wheel 8 swing and float to adapt to the distance change between the positioning wheel and the driving wheel and between the positioning wheel and the side balance wheel when the chassis is over-curved, and the driving wheel 7 and the side balance wheel 8 enable the positioning wheel 9 to be always close to the track under the acting force of the spring, so that the chassis is ensured to smoothly over-curve.
It can be seen from the above that, the walking chassis provided in this embodiment can be held on the overhead hoisting track and tightly move under the drive of the driving motor, and meanwhile, the running requirement can be met for the running track with a certain turning radius, the running process of the equipment can carry out walking positioning through the two-dimension code attached on the track, and the lower surface of the walking chassis can be used for loading intelligent robots, transfer boxes, large-scale equipment components and the like according to the use requirement, so that the operation requirements of high precision, high stability and certain curve adaptability can be completed under intelligent control.
The running chassis provided by the embodiment has the advantages that the running stability of the running chassis is improved through the rail holding structure formed by the top bearing wheel, the side plate driving wheels, the side balance wheels and the positioning wheels. The walking chassis realizes walking by using roller driving, and avoids the possibility of locking of the gear rack driving. Meanwhile, the precision requirement of the walking chassis on the guide rail is low, and the walking chassis is more convenient to maintain. The walking chassis provided by the embodiment is suitable for being used in heavy-load environments, high-precision environments, aerial curved track environments and other environments, and is wide in application range.
The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;
secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;
finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A high-precision suspension mounting type heavy-load walking chassis is characterized in that: the electric power taking trolley line brush comprises a top plate, a bottom plate, a left side plate and a right side plate, wherein a bearing wheel contacted with the top surface of a running rail is arranged on the top plate, a limiting wheel, a driving wheel contacted with the side surface of the running rail and a side swinging wheel are arranged on the left side plate, a positioning wheel contacted with the side surface of the running rail is arranged on the right side plate, an electric power taking trolley line brush head is arranged on the bottom plate, and the driving wheel and the side swinging wheel are arranged on the side plate and are in a floating state.
2. The high precision suspension mounted heavy duty walking chassis of claim 1, wherein: the bottom plate is provided with a lower leaning wheel.
3. The high precision suspension mounted heavy duty walking chassis of claim 1, wherein: the walking chassis is provided with a code scanning sensor.
4. The high precision suspension mounted heavy duty walking chassis of claim 1, wherein: the swing arm assembly is adopted to realize the floating of the driving wheel and the side swing wheel, and comprises a base, a swing arm shaft, a rotating shaft and a spring adjusting mechanism, wherein the driving wheel or the side swing wheel is arranged on the swing arm, one end of the swing arm is hinged with the base through the swing arm shaft, and the other end of the swing arm is hinged with the spring adjusting mechanism through the rotating shaft.
5. The high precision suspension mounted heavy duty walking chassis of claim 4, wherein: the spring adjusting mechanism comprises a spring, a spring guide shaft and a spring pendulum shaft, wherein the spring is sleeved on the spring guide shaft, one end of the spring guide shaft is sleeved on the rotating shaft, and the other end of the spring guide shaft is sleeved and fixed on the spring pendulum shaft.
6. The high precision suspension mounted heavy duty walking chassis of claim 1, wherein: the bottom plate is connected with the left side plate and the right side plate through welding, the top plate is connected with the left side plate and the right side plate through bolts, and the reinforcing plate is fixed on the side face of the top plate and the left side plate and the right side plate through bolts.
7. The high precision suspension mounted heavy duty walking chassis of claim 1, wherein: the bearing wheel, the driving wheel, the side balance wheel, the positioning wheel, the lower leaning wheel, the limiting wheel, the power taking sliding contact line brush head and the code scanning sensor are connected with the walking chassis through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644120.6U CN220149041U (en) | 2023-06-26 | 2023-06-26 | High-precision suspension mounting type heavy-load walking chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644120.6U CN220149041U (en) | 2023-06-26 | 2023-06-26 | High-precision suspension mounting type heavy-load walking chassis |
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| Publication Number | Publication Date |
|---|---|
| CN220149041U true CN220149041U (en) | 2023-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321644120.6U Active CN220149041U (en) | 2023-06-26 | 2023-06-26 | High-precision suspension mounting type heavy-load walking chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149041U (en) |
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2023
- 2023-06-26 CN CN202321644120.6U patent/CN220149041U/en active Active
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