CN210390634U - Large-bearing universal caster easy to assemble and disassemble - Google Patents
Large-bearing universal caster easy to assemble and disassemble Download PDFInfo
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- CN210390634U CN210390634U CN201921268656.6U CN201921268656U CN210390634U CN 210390634 U CN210390634 U CN 210390634U CN 201921268656 U CN201921268656 U CN 201921268656U CN 210390634 U CN210390634 U CN 210390634U
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Abstract
The utility model discloses a big-bearing and easy-to-disassemble universal caster, which comprises a steering device, a caster bracket, a roller and a roller shaft, wherein the steering device comprises a slewing bearing and a rotating shaft, the rotating shaft is embedded in the slewing bearing, the rotating shaft is sequentially connected with a first deep groove ball bearing, a plane bearing and a second deep groove ball bearing from top to bottom, and the bottom of the rotating shaft is vertically connected with a reinforcing plate; the caster wheel bracket comprises two lug plates, the lug plates are vertically connected to two sides of the reinforcing plate, each lug plate is provided with a shaft hole, and the shaft holes of the two lug plates are on the same horizontal axis; the roller is rotationally connected with the roller shaft and is arranged between the two lug plates; the both ends of gyro wheel axle run through the shaft hole of otic placode respectively, the both ends of gyro wheel axle all are connected with the stationary blade. The structure of the caster is improved, so that the caster can bear larger load, the roller shaft of the roller can be quickly assembled and disassembled, and the rubber on the surface of the roller can be conveniently replaced.
Description
Technical Field
The utility model relates to a truckle technical field, concretely relates to is a bear universal caster of easy dismouting greatly.
Background
With the rise of industrial revolution, more and more equipment needs to be moved, and after people invented wheels, the carrying and moving objects become much easier, but the wheels can only run on straight lines, and the change of direction is still very difficult when carrying heavy objects, and then people invented wheels with steering structures, namely the caster wheels.
The truckle not only can easily be carried, can also remove along with any direction, has improved efficiency greatly. With the continuous development of science and technology, people continuously pursue the convenience and the high efficiency that equipment removed, and the truckle just becomes indispensable part. The development of truckle mechanism also more specialized forms for a special technical field, but because the load that equipment self or vehicle bore is often very heavy, especially has the AGV dolly of huge load, the truckle bears very big pressure, and present AGV dolly truckle and bottom plate adopt convex support more, and its thickness is lower, and intensity is not high, causes the support to damage easily.
In addition, the truckle generally adopts the roll of optical axis embedding gyro wheel in order to realize the gyro wheel at present, and the equal fixed connection in both ends of optical axis is on the tripod, when the installation to the gyro wheel or when needing to change the gyro wheel of wearing and tearing, need adopt the hammer to beat the optical axis so that the optical axis stretches into or withdraws from inside the gyro wheel, because the tolerance grade of optical axis and gyro wheel inner bearing is higher, makes the loading and unloading of optical axis comparatively troublesome, the people's dismouting gyro wheel of being not convenient for.
SUMMERY OF THE UTILITY MODEL
In order to overcome above-mentioned present truckle is difficult to bear great load and the gyro wheel is difficult to the technical defect who loads and unloads because of intensity is not high, the utility model provides a bear the universal caster of easy dismouting greatly, through the structure of reforming transform the truckle, make it can bear great load, and can install and remove the roller shaft of gyro wheel fast, the rubber on gyro wheel surface of being convenient for change.
In order to solve the above problem, the utility model discloses realize according to following technical scheme:
the utility model relates to a large-bearing universal caster wheel easy to assemble and disassemble, which comprises a steering device, a caster wheel bracket, a roller wheel and a roller wheel shaft,
the steering device comprises a slewing bearing and a rotating shaft, the rotating shaft is embedded in the slewing bearing, the rotating shaft is sequentially connected with a first deep groove ball bearing, a plane bearing and a second deep groove ball bearing from top to bottom, and the bottom of the rotating shaft is vertically connected with a reinforcing plate;
the caster wheel bracket comprises two lug plates, the lug plates are vertically connected to two sides of the reinforcing plate, each lug plate is provided with a shaft hole, and the shaft holes of the two lug plates are on the same horizontal axis;
the roller is rotationally connected with the roller shaft and is arranged between the two lug plates;
the both ends of gyro wheel axle run through the shaft hole of otic placode respectively, the both ends of gyro wheel axle all are connected with the stationary blade.
Furthermore, the roller shaft is a stepped shaft, shaft heads are arranged at two ends of the roller shaft, shaft necks are arranged in the middle of the roller shaft, each shaft head is connected with each shaft neck through a shaft body, and the diameter of each shaft body is smaller than the diameter of each shaft head and the diameter of each shaft neck.
Furthermore, each fixing piece is provided with a hanging hole, the aperture width of each hanging hole is gradually reduced, and the shaft body of the roller shaft is hung in the hanging hole.
Furthermore, a plurality of third deep groove ball bearings are pre-embedded in the roller and connected to the shaft neck of the roller shaft.
Further, each fixing piece is detachably and fixedly connected with the adjacent ear plate by adopting a bolt.
Furthermore, the slewing bearing comprises a supporting seat and a bottom plate connected with the bottom of the supporting seat,
the supporting seat is provided with a stepped hole for accommodating the first deep groove ball bearing, the plane bearing and the second deep groove ball bearing;
the bottom plate is provided with a plurality of mounting holes.
Further, the caster bracket also comprises a bending plate,
the cross section of the bending plate is C-shaped, the top of the bending plate is vertically connected with the bottom of the reinforcing plate, and one side of the opening of the bending plate is fixedly connected with the two lug plates.
Furthermore, the bending plate and the two lug plates are of an integrated punch forming structure.
Further, rotation axis, reinforcing plate and integrative stamping forming structure of truckle support.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the trundle realizes multi-angle universal rotation through the steering device, the steering device comprises a rotating shaft, two ends of the rotating shaft are connected with deep groove ball bearings, the middle part of the rotating shaft is connected with a plane bearing, the two deep groove ball bearings are used for bearing radial load of the rotating shaft in steering, the rotating shaft is prevented from being broken due to larger radial load, and the universal rotation of the trundle is ensured; the plane bearing is used for bearing larger axial load caused by the load of the caster, avoids the pressure breakage of the rotating shaft due to the larger axial load, greatly improves the strength of the steering device, and solves the defect that the existing caster is difficult to bear the larger axial load.
2. Be connected with the reinforcing plate perpendicularly in the bottom of rotation axis, this reinforcing plate is used for maintaining the structure of truckle support unchangeable, bears the great axial load of truckle simultaneously, avoids the truckle to take place deformation or damage, and then ensures that the gyro wheel does not take place the friction with the truckle support, realizes the roll of truckle under the heavy load.
3. The gyro wheel adopts the gyro wheel axle to realize rotating, and this gyro wheel axle adopts both ends all to be connected with the stationary blade, and the stationary blade is through removable mode and otic placode fixed connection, through installing and removing fast at the otic placode to the stationary blade, realizes installing and removing fast of gyro wheel axle and gyro wheel from the truckle support, and this process can avoid adopting the process of hammer to beat the gyro wheel axle, makes installing and removing of gyro wheel more simple swift.
Drawings
The following detailed description of embodiments of the invention is provided with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of a universal caster with large bearing capacity and easy assembly and disassembly according to the present invention;
FIG. 2 is a schematic longitudinal sectional view of a universal caster with large load capacity and easy assembly and disassembly according to the present invention;
FIG. 3 is a schematic view of the universal caster with large load capacity and easy disassembly and assembly according to the present invention;
fig. 4 is a schematic exploded view of the steering device of the present invention;
fig. 5 is a schematic structural view of the caster bracket of the present invention;
FIG. 6 is a schematic view of the structure of the caster wheel and the caster wheel shaft of the present invention mounted on the caster wheel bracket;
fig. 7 is a schematic view of the roller and roller axle of the present invention mounted on a caster bracket;
fig. 8 is a schematic structural view of a roller shaft according to the present invention;
FIG. 9 is a sectional view of the fixing sheet of the present invention;
in the figure: 1-a steering device; 11-a slewing bearing; 111-a support base; 1111-stepped hole; 112-a backplane; 1121-mounting holes;
12-a rotating shaft;
2-a caster bracket; 21-ear plate; 211-shaft hole; 22-bending a plate;
3, rolling wheels;
4-roller shaft; 41-a shaft head; 42-journal; 43-shaft body;
5-a reinforcing plate;
6-fixing the sheet; 61-hanging hole.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 3, it is a preferred structure of the caster with large bearing capacity and easy assembly and disassembly according to the present invention.
The universal caster comprises a steering device 1, a caster bracket 2, a roller 3 and a roller shaft 4.
As shown in fig. 4, the steering device 1 includes a slewing bearing 11 and a rotating shaft 12, the slewing bearing 11 includes a supporting seat 111 and a bottom plate 112 connected to the bottom of the supporting seat 111, the supporting seat 111 is provided with a stepped hole 1111, and a first deep groove ball bearing, a flat bearing and a second deep groove ball bearing are connected in the stepped hole 1111 in sequence through a movable fit manner, the diameter of the first deep groove ball bearing is smaller than that of the second deep groove ball bearing, preferably, the first deep groove ball bearing is a 6004 bearing of GB/T276-1994, the second deep groove ball bearing is a 6006 bearing of GB/T276-1994, and the flat bearing is a 51204 bearing of GB/T301-1995. The rotating shaft 12 is embedded into the first deep groove ball bearing, the plane bearing and the second deep groove ball bearing through transition fit, so that the rotating shaft 12 is rotatably connected with the supporting seat 111.
As a preferable scheme of this embodiment, the bottom plate 112 is provided with a plurality of mounting holes 1121, the number of the mounting holes 1121 is preferably 4, the mounting holes 1121 are disposed at corners of the bottom plate 112, and the mounting holes 1121 are used for detachably and fixedly connecting bottoms of mobile devices such as AGV carts through bolts, so as to achieve mounting of casters and the mobile devices.
The bottom of the rotating shaft 12 is connected with a reinforcing plate 5, the reinforcing plate 5 is perpendicular to the rotating shaft 12, preferably, the rotating shaft 12 is fixed on an axis perpendicular to the center of the reinforcing plate 5, so that the axial load borne by the rotating shaft 12 is uniformly distributed on the reinforcing plate 5, damage caused by too large load borne by the local position of the reinforcing plate 5 is avoided, and the bearing capacity of the axial load of the caster is further improved.
As shown in fig. 5, the caster bracket 2 includes 2 ear plates 21 and bending plates 22, the number of the ear plates 21 is 2, two ear plates 21 are vertically connected to two sides of the reinforcing plate 5 at intervals, and the two ear plates 21 are located at the bottom of the reinforcing plate 5. Each ear plate 21 is provided with a shaft hole 211, and the shaft holes 211 of the two ear plates 21 are on the same horizontal axis.
The cross section of the plate 22 of bending is the C type, and the top of the plate 22 of bending is the plane, the top of the plate 22 of bending is perpendicularly connected with the bottom of the reinforcing plate 5, and one side of the opening of the plate 22 of bending is fixedly connected with the two ear plates 21, and as the preferred mode, the plate 22 of bending and the two ear plates 21 form an integrated structure through a stamping forming process, so that the structure of the caster support 2 is more stable, and the strength of the caster support 2 is improved.
As shown in fig. 6 to 7, the roller 3 is sleeved on the middle of the roller shaft 4, so that the roller 3 rotates around the roller shaft 4. The both ends of roller shaft 4 all run through the shaft hole 211 of two otic placodes 21, the both ends of roller shaft 4 all are connected with stationary blade 6, each stationary blade 6 and adjacent otic placode 21 fixed connection, and two stationary blade 6 is located the outside of two otic placodes 21. Preferably, each of the fixing plate 6 and the ear plate 21 is provided with a threaded hole, and the fixing plate 6 and the ear plate 21 are detachably and fixedly connected at the threaded hole by a bolt.
Further, as shown in fig. 8, the roller shaft 4 is a stepped shaft, shaft heads 41 are disposed at two ends of the roller shaft 4, a shaft neck 42 is disposed in the middle of the roller shaft 4, each shaft head 41 is connected with the shaft neck 42 through a shaft body 43, and the diameter of the shaft body 43 is smaller than the diameter of the shaft head 41 and the diameter of the shaft neck 42. Preferably, the stub shaft 41 has a smaller diameter than the journal 42.
As shown in fig. 9, each fixing plate 6 is provided with a hanging hole 61, the aperture width of the hanging hole 61 is gradually reduced, preferably, the hanging hole 61 is arranged in the middle of the fixing plate 6, the maximum aperture width of the hanging hole 61 is larger than or equal to the diameter of the shaft neck 42, the minimum aperture width of the hanging hole 61 is smaller than or equal to the diameter of the shaft body 43, and the shaft body 43 of the roller shaft 4 is hung in the hanging hole 61.
The installation process of the roller 3 and the roller shaft 4 is as follows: firstly, the roller 3 is sleeved in the middle of the roller shaft 4, then the roller 3 is placed between the two lug plates 21, and two ends of the roller shaft 4 penetrate through the shaft holes 211 of the two lug plates 21; then, the ends with the largest aperture width of the hanging holes 61 of the two fixing pieces 6 are embedded at the two ends of the roller shaft 4, the fixing pieces 6 are moved to the shaft body 43 of the roller shaft 4, then the fixing pieces 6 are moved perpendicular to the roller shaft 4, so that the shaft body 43 of the roller shaft 4 moves towards the end with the smallest aperture width of the hanging holes 61, then the shaft body 43 of the roller shaft 4 is hung in the hanging holes 61, and finally the fixing pieces 6 are connected to the outer sides of the adjacent ear plates 21 through bolts. The roller shaft 4 is hung on the fixing plate 6 through the shaft body 43, and the shaft neck 42 and the shaft head 41 are abutted against two end faces of the hanging hole 61 of the fixing plate 6, so that the roller shaft 4 cannot be horizontally pulled out, and the roller shaft 4 is fixedly installed in the caster bracket 2.
People can move in the direction of the fixed plate 6 perpendicular to the roller shaft 4 after detaching the bolt on the fixed plate 6, so that the shaft body 43 of the roller shaft 4 moves towards the end with the maximum aperture width of the hanging hole 61, and then the roller shaft 4 can be pulled out perpendicular to the fixed plate 6, so as to realize the detachment of the roller 3, the detachment process is simple and rapid, the complex work that the roller shaft 4 needs to be knocked by adopting a hammer in the traditional detachment of the roller 3 is avoided, and the replacement and the repair of the roller 3 are convenient.
Preferably, a plurality of third deep groove ball bearings are embedded in the roller 3, the number of the third deep groove ball bearings is preferably 2, the third deep groove ball bearings are preferably 6203 bearings of GB/T276-1994, two third deep groove ball bearings are connected to two ends of a journal 42 of the roller shaft 4, friction between the roller 3 and the roller shaft 4 is reduced, and rotation of the roller 3 around the roller shaft 4 is facilitated.
Preferably, the rotating shaft 12, the reinforcing plate 5 and the caster bracket 2 are formed into an integrated structure through a stamping forming process, so that the integrated structure has higher strength and can bear higher axial load and radial load.
Compared with the prior art, universal caster have following advantage:
1. the existing caster wheel is mostly connected with the bottom of the mobile equipment through an arc-shaped support, the thickness of the caster wheel is low, the strength of the caster wheel is not high, and a deep groove ball bearing is adopted in a steering device and is difficult to bear large axial load. The two ends of a rotating shaft of the steering device of the caster are connected with deep groove ball bearings, the middle part of the rotating shaft is connected with a plane bearing, and the two deep groove ball bearings are used for bearing radial load of the rotating shaft in steering, so that the rotating shaft is prevented from being broken due to large radial load, and the universal rotation of the caster is ensured; the plane bearing is used for bearing larger axial load caused by the load of the caster, avoids the pressure breakage of the rotating shaft due to the larger axial load, greatly improves the strength of the steering device, and solves the defect that the existing caster is difficult to bear the larger axial load.
2. The utility model discloses a truckle is connected with the reinforcing plate perpendicularly in the bottom of rotation axis, and this reinforcing plate is used for maintaining the structure of truckle support unchangeable, bears the great axial load of truckle simultaneously, avoids the truckle to take place deformation or damage, and then ensures that the gyro wheel does not take place the friction with the truckle support, realizes the roll of truckle under the heavy load.
3. The gyro wheel of current truckle adopts gyro wheel axle both ends fixed connection tripod, and the utility model discloses a gyro wheel adopts gyro wheel axle both ends all to be connected with the stationary blade, and the stationary blade is through removable mode and otic placode fixed connection, through installing and removing fast at the otic placode to the stationary blade, realizes installing and removing fast of gyro wheel axle and gyro wheel from the truckle support, and this process can avoid adopting the hammer to beat the process to the gyro wheel axle, makes installing and removing of gyro wheel more simple swift.
Other structures of the universal caster with large bearing capacity and easy assembly and disassembly are disclosed in the embodiment and refer to the prior art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, so that any modification, equivalent change and modification made by the technical spirit of the present invention to the above embodiments do not depart from the technical solution of the present invention, and still fall within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a big universal caster who bears easy dismouting which characterized in that: comprises a steering device (1), a caster bracket (2), a roller (3) and a roller shaft (4),
the steering device (1) comprises a slewing bearing (11) and a rotating shaft (12), the rotating shaft (12) is embedded into the slewing bearing (11), the rotating shaft (12) is sequentially connected with a first deep groove ball bearing, a plane bearing and a second deep groove ball bearing from top to bottom, and the bottom of the rotating shaft (12) is vertically connected with a reinforcing plate (5);
the caster wheel bracket (2) comprises two ear plates (21), the ear plates (21) are vertically connected to two sides of the reinforcing plate (5), each ear plate (21) is provided with a shaft hole (211), and the shaft holes (211) of the two ear plates (21) are on the same horizontal axis;
the roller (3) is rotationally connected with the roller shaft (4), and the roller (3) is arranged between the two lug plates (21);
the both ends of roller shaft (4) run through shaft hole (211) of otic placode (21) respectively, the both ends of roller shaft (4) all are connected with stationary blade (6).
2. The high load easy entry caster of claim 1, wherein: the roller shaft (4) is a stepped shaft, shaft heads (41) are arranged at two ends of the roller shaft (4), shaft necks (42) are arranged in the middle of the roller shaft (4), each shaft head (41) is connected with each shaft neck (42) through a shaft body (43), and the diameters of the shaft bodies (43) are smaller than the diameters of the shaft heads (41) and the shaft necks (42).
3. The high load easy entry caster of claim 2, wherein: each fixing piece (6) is provided with a hanging hole (61), the aperture width of each hanging hole (61) is gradually reduced, and the shaft body (43) of the roller shaft (4) is hung in each hanging hole (61).
4. The high load easy entry caster of claim 3, wherein: a plurality of third deep groove ball bearings are pre-embedded in the roller (3), and the third deep groove ball bearings are connected to a shaft neck (42) of the roller shaft (4).
5. The high load easy entry caster of claim 1, wherein: each fixing piece (6) is detachably and fixedly connected with the adjacent ear plate (21) by adopting a bolt.
6. The high load easy entry caster of claim 1, wherein: the slewing bearing (11) comprises a bearing seat (111) and a bottom plate (112) connected with the bottom of the bearing seat (111),
the supporting seat (111) is provided with a stepped hole (1111) for accommodating the first deep groove ball bearing, the plane bearing and the second deep groove ball bearing;
the bottom plate (112) is provided with a plurality of mounting holes (1121).
7. The high load easy entry caster of claim 1, wherein: the caster wheel bracket (2) also comprises a bending plate (22),
the cross section of the bending plate (22) is C-shaped, the top of the bending plate (22) is perpendicularly connected with the bottom of the reinforcing plate (5), and one side of the opening of the bending plate (22) is fixedly connected with the two ear plates (21).
8. The high load easy entry caster of claim 7, wherein: the bending plate (22) and the two lug plates (21) are of an integrated punch forming structure.
9. The high load easy entry caster of claim 1, wherein: the rotating shaft (12), the reinforcing plate (5) and the caster bracket (2) are of an integrated punch forming structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268656.6U CN210390634U (en) | 2019-08-07 | 2019-08-07 | Large-bearing universal caster easy to assemble and disassemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921268656.6U CN210390634U (en) | 2019-08-07 | 2019-08-07 | Large-bearing universal caster easy to assemble and disassemble |
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| Publication Number | Publication Date |
|---|---|
| CN210390634U true CN210390634U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921268656.6U Active CN210390634U (en) | 2019-08-07 | 2019-08-07 | Large-bearing universal caster easy to assemble and disassemble |
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| CN (1) | CN210390634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281696A (en) * | 2019-08-07 | 2019-09-27 | 广州市中立智能装备科技有限公司 | One kind carrying greatly easy-to-dismount universal caster wheel |
-
2019
- 2019-08-07 CN CN201921268656.6U patent/CN210390634U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110281696A (en) * | 2019-08-07 | 2019-09-27 | 广州市中立智能装备科技有限公司 | One kind carrying greatly easy-to-dismount universal caster wheel |
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