CN110861995B - Conjoined roller mechanism, moving device and elevator - Google Patents
Conjoined roller mechanism, moving device and elevator Download PDFInfo
- Publication number
- CN110861995B CN110861995B CN201911106622.1A CN201911106622A CN110861995B CN 110861995 B CN110861995 B CN 110861995B CN 201911106622 A CN201911106622 A CN 201911106622A CN 110861995 B CN110861995 B CN 110861995B
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- roller
- walking
- rollers
- conjoined
- positioning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
- B66B7/04—Riding means, e.g. Shoes, Rollers, between car and guiding means, e.g. rails, ropes
- B66B7/046—Rollers
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Abstract
The invention provides a connected roller mechanism, a moving device and a lifter, belonging to the field of mobile equipment, wherein the connected roller mechanism comprises: two walking rollers distributed in parallel; the end parts of the two walking rollers are connected with a stop piece through walking roller shafts, and locking pieces tightly attached to the stop piece are arranged at the end parts of the walking roller shafts, which penetrate out of the stop piece; the two walking rollers are connected through a buckling piece to form a connected structure. The moving device comprises two groups of connected roller mechanisms and a moving body used for connecting the two groups of connected roller mechanisms, and a stop piece of each connected roller mechanism is connected with the moving body. The invention is provided with the stop piece, can effectively enhance the contact between the walking roller and the moving body, greatly improves the stress condition of the contact surface between the roller and the moving body, reduces the stress of the contact surface, effectively ensures the safety and the reliability of the mobile carrying equipment, and is suitable for carrying and moving various long-distance operation objects with various weights.
Description
Technical Field
The invention belongs to the field of mobile equipment, and particularly relates to a connected roller mechanism.
Background
At present, moving devices such as lifting equipment, forklift equipment and the like are realized by contact between rollers and equipment structure bodies in the using process. Along with the increasingly strengthened degree of social production modernization and the continuous improvement of production efficiency, the weight of the operation object of the mobile carrying equipment is heavier, the volume of the operation object is larger, and the larger and heavier operation object puts forward higher and stricter requirements on the strength, rigidity and stability of the mobile carrying equipment.
In most of existing lifting equipment, double-roller devices are adopted, such as roller devices disclosed in prior arts CN203715023U and CN103466411B, when a carrying device moves an operation object, especially an operation object at a long distance, a very large bearing capacity is formed at a walking roller, and the bearing capacity causes very large stress concentration at the joint of the walking roller and a moving body, which often causes local damage to affect normal operation of the equipment.
Disclosure of Invention
Based on the above background problem, the present invention aims to provide a conjoined roller mechanism, which effectively enhances the contact between the roller and the moving body by arranging a stopper, improves the stress condition of the contact surface between the roller and the moving body, and solves the defect of stress concentration in the prior art. Another object of the present invention is to provide a moving device including the above-mentioned integrated roller mechanism, and an elevator including the moving device.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a linked roller mechanism comprising: two walking rollers distributed in parallel; the end parts of the two walking rollers are connected with a stop piece through walking roller shafts, and locking pieces tightly attached to the stop piece are arranged at the end parts of the walking roller shafts, which penetrate out of the stop piece; the two walking rollers are connected through a buckling piece to form a connected structure.
Preferably, the stopper comprises a hollow cylinder for the walking roller shaft to pass through, and a connecting flange arranged at one end of the hollow cylinder far away from the walking roller; along walking gyro wheel to retaining member direction, the external diameter of hollow cylinder increases gradually so that hollow cylinder is the tapered structure, just the external diameter of hollow cylinder and the adjacent one side of walking gyro wheel is greater than the diameter of walking gyro wheel.
The two ends of the buckling piece are connected with the stop pieces corresponding to the two walking rollers, and the buckling piece is provided with a shaft hole for the walking roller shaft to pass through.
In one embodiment, the fastening member is a split structure and comprises a first clamping member and a second clamping member which are matched with each other, clamping grooves are formed in opposite positions of the first clamping member and the second clamping member, and the two clamping grooves which are oppositely arranged form the shaft hole.
In one embodiment, the conjoined roller mechanism further comprises: the guide positioning rollers are arranged between the two walking rollers through positioning roller supporting frames, the axial lead of each guide positioning roller is perpendicular to the axial lead of each walking roller, and the roller treads of the guide positioning rollers exceed the outer end faces of the first walking rollers and the second walking rollers.
Preferably, the positioning roller support frame is of a U-shaped structure, the U-shaped opening end of the positioning roller support frame is rotatably provided with the guiding and positioning roller, and the U-shaped closed end of the positioning roller support frame is connected with the buckling piece through a bolt; one end of the bolt extends into the positioning roller support frame and is fastened through the locking piece, and the other end of the bolt penetrates out of the buckling piece and is fastened through the locking piece.
More preferably, a buffer member for preventing the guide positioning roller from axially sliding is arranged in the positioning roller support frame and on two sides of the guide positioning roller.
The invention also provides a moving device which comprises two groups of connected roller mechanisms and a moving body for connecting the two groups of connected roller mechanisms, wherein a stop piece of each connected roller mechanism is connected with the moving body.
The moving device further comprises a rectangular frame body used for guiding the two sets of connected roller mechanisms, a traveling guide rail is arranged on the inner side wall of the rectangular frame body along the moving direction of the moving body, and the traveling guide rail is of a U-shaped structure.
The invention also provides a lifter which comprises the moving device.
Compared with the prior art, the invention has the following effects:
1. the invention is provided with the stop piece, can effectively enhance the contact between the walking roller and the moving body, greatly improves the stress condition of the contact surface between the roller and the moving body, reduces the stress of the contact surface, effectively ensures the safety and the reliability of the mobile carrying equipment, and is suitable for carrying and moving various long-distance operation objects with various weights.
2. The invention is provided with the locking part, so that the mounting positions of the walking roller and the guiding and positioning roller can be conveniently adjusted, the mounting is simple, the rollers are convenient to disassemble, and the later maintenance is convenient.
3. The buckling piece is of a split structure, and the first clamping piece and the second clamping piece are matched for use, so that the buckling piece is convenient to mount and dismount.
4. According to the invention, the guide positioning roller is arranged between the two walking rollers, so that the walking rollers can be kept from axial displacement or play in the movement process.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic structural diagram of a conjoined roller mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of another view angle of the connected roller mechanism in the embodiment of the present invention
FIG. 3 is a front view of the conjoined roller mechanism in an embodiment of the present invention;
FIG. 4 is a left side view of the conjoined roller mechanism in the embodiment of the present invention;
FIG. 5 is a schematic diagram of a mobile device (vertically arranged) according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a mobile device (horizontally disposed) according to an embodiment of the present invention;
FIG. 7 is a schematic view of an assembly of a mobile device and a rectangular frame according to an embodiment of the present invention;
fig. 8 is a front view of fig. 7.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "top", "bottom", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", etc. indicate orientations or positional relationships based on specific use states, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In order to solve the defect of stress concentration of the existing double-roller device, the invention provides a conjoined roller mechanism, as shown in fig. 1-3, comprising: the walking device comprises a first walking roller 1 and a second walking roller 2, wherein the first walking roller 1 and the second walking roller 2 are distributed in parallel from top to bottom, and the end parts of the first walking roller 1 and the second walking roller 2 are flush. The first walking roller 1 is connected with a first stop piece 102 through a first walking roller shaft 101, a first locking piece 103 is arranged at the end part of the first walking roller shaft 101, which penetrates out of the first stop piece 102, and the first locking piece 103 is tightly attached to the first stop piece 102.
The second walking roller 2 is connected with a second stop 202 through a second walking roller shaft 201, a second locking piece 203 is arranged at the end part of the second walking roller shaft 201 penetrating out of the second stop 202, and the second locking piece 203 is tightly attached to the second stop 202.
The first walking roller 1 and the second walking roller 2 are connected through a buckling piece 3 to form a connected structure, namely the first walking roller 1, the first walking roller shaft 101, the first stop piece 102 and the first locking piece 103 form a group of main walking roller assembly, the second walking roller 2, the second walking roller shaft 201, the second stop piece 202 and the second locking piece 203 form another group of main walking roller assembly, and the axial center lines of the two groups of main walking roller assemblies are parallel. The contact between the roller and the moving body 5 can be effectively enhanced by arranging the stop piece, the stress condition of the contact surface between the roller and the moving body is improved, and the bearing capacity is strong.
In this embodiment, the first stopper 102 is screwed to the first traveling roller shaft 101, and the second stopper 202 is screwed to the second traveling roller shaft 201, specifically, external threads are provided on part of the outer walls of the first traveling roller shaft 101 and the second traveling roller shaft 201, that is, the external threads are disposed away from the traveling rollers. In another embodiment, the stop member may be bolted to the roller axle.
The first stop member 102 and the second stop member 202 each include a hollow cylinder for the traveling roller shaft to pass through, and a connecting flange provided at an end of the hollow cylinder remote from the traveling roller. In order to reduce the weight of the whole one-piece roller mechanism, the stop member may be configured to be a cone-shaped structure, taking the first stop member 102 as an example, the outer diameter of the hollow cylinder of the first stop member 102 is gradually increased along the direction from the first traveling roller 1 to the first locking member 103, that is, the right outer diameter of the hollow cylinder of the first stop member 102 is larger than the left outer diameter, and the left outer diameter of the hollow cylinder of the first stop member 102 is larger than the diameter of the first traveling roller 1. The second stopper 202 has the same structure as the first stopper 102.
In the present embodiment, the first locking member 103 and the second locking member 203 are each a lock nut, but not limited thereto.
The two sets of primary walking rollers are assembled by fastening members 3 connected into a unitary structure, as shown in fig. 2 and 3, wherein the top of fastening member 3 is connected to first retainer 102 and the bottom is connected to second retainer 202, and the top and bottom of fastening member 3 have an arc shape matching the retainer. In order to facilitate later replacement and maintenance, the fastener 3 can be detachably connected with the first stop member 102 and the second stop member 202, and can be specifically fixed by bolts, screws and the like. In order to allow the first traveling roller shaft 101 and the second traveling roller shaft 201 to pass through, shaft holes are formed in the buckling piece 3 at positions corresponding to the first traveling roller shaft 101 and the second traveling roller shaft 201.
In order to facilitate assembly, the fastener 3 of the present embodiment is a split structure, as shown in fig. 1, and includes a first fastener 301 and a second fastener 302 that are matched with each other, the first fastener 301 and the second fastener 302 are combined to form the fastener 3, the first fastener 301 is provided with a first clamping groove for the first walking roller shaft 101 to be clamped in, and a second clamping groove for the second walking roller shaft 201 to be clamped in, the second fastener 302 is provided with a third clamping groove for the first walking roller shaft 101 to be clamped in, and a fourth clamping groove for the second walking roller shaft 201 to be clamped in, the first clamping groove and the third clamping groove are matched to form a shaft hole for the first walking roller shaft 101 to pass through, and the second clamping groove and the fourth clamping groove are matched to form a shaft hole for the second walking roller shaft 201 to pass through.
In order to avoid the axial displacement or the play of the first walking roller 1 and the second walking roller 2 in the moving process, the conjoined roller mechanism of the embodiment further comprises: and a guide positioning roller 4, as shown in fig. 1-3, the guide positioning roller 4 is arranged between the first walking roller 1 and the second walking roller 2 through a positioning roller support frame 401, and at this time, the axis of the guide positioning roller 4 is perpendicular to the axis of the walking rollers. As shown in fig. 3, the roller tread of the guide positioning roller 4 extends beyond the left outer end surfaces of the first and second running rollers 1 and 2.
In this embodiment, the positioning roller supporting frame 401 is a U-shaped structure, as shown in fig. 3, the guiding and positioning roller 4 is rotatably disposed at a U-shaped opening end of the positioning roller supporting frame 401, specifically, through holes are respectively formed on two side plates of the positioning roller supporting frame 401, and the guiding and positioning roller 4 is disposed between the two side plates through a roller shaft 402. The U-shaped closed end of the positioning roller support frame 401 is connected with the buckling piece 3 through a bolt 403.
Specifically, a fixing base 404 is arranged on the fastening piece 3, the fixing base 404 is fixed at the middle position of the fastening piece 3 through a bolt or a screw, one end of the bolt 403 extends into the positioning roller support frame 401 and is fastened through a third locking piece 405, as shown in fig. 1, a safety distance should be reserved between the end of the bolt 403 extending into the positioning roller support frame 401 and the guiding and positioning roller 4; as shown in fig. 3, the other end of the bolt 403 passes through the fixing base 404 and the fastener 3 in sequence and is fastened by the fourth locking member 406, and the fourth locking member 406 is tightly attached to the fastener 3.
In order to avoid the axial sliding of the guiding and positioning roller 4, as shown in fig. 4, a buffer member 407 is disposed in the positioning roller support frame 401 and on both sides of the guiding and positioning roller 4, specifically, the buffer member 407 is of a spring structure and is disposed on the roller shaft 402 in a penetrating manner.
The invention also provides a moving device comprising the connected roller mechanism, which comprises two groups of connected roller mechanisms and a moving body 5 for connecting the two groups of connected roller mechanisms, wherein one group of connected roller mechanisms is connected with the left end of the moving body 5, and the other group of connected roller mechanisms is connected with the right end of the moving body 5, as shown in fig. 5 and 6.
In this embodiment, the first stopper 102 and the second stopper 202 of the conjoined roller mechanism are screwed with the moving body 5, that is, the end portions of the first traveling roller shaft 101 and the second traveling roller shaft 201, which penetrate through the stoppers, penetrate into the moving body 5 and are locked by the first locking member 103 and the second locking member 203, and the moving body 5 is provided with shaft holes for the first traveling roller shaft 101 and the second traveling roller shaft 201 to penetrate through.
In order to guide the connected roller mechanism, the moving device further comprises a rectangular frame body, as shown in fig. 7 and 8, the rectangular frame body is formed by surrounding an upper cross beam 601, a lower cross beam 602, a left upright 603 and a right upright 604, the inner sides of the left upright 603 and the right upright 604 are respectively provided with a walking track 605, the cross section of the walking track 605 is of a U-shaped structure, a first walking roller 1 and a second walking roller 2 of the connected roller mechanism are in contact with the inner sides of ear plates at two sides of the U-shaped mechanism of the walking track 605, the gap is not more than 2mm, the outer end faces of the first walking roller 1 and the second walking roller 2 are in certain distance with the U-shaped groove bottom of the walking track 605, and a guiding and positioning roller 4 is in close contact with the groove bottom of the U-shaped structure of the.
When the moving device is used, after the moving body 5 is loaded by a heavy object, the first walking roller 1 and the second walking roller 2 can be in close contact with the walking track 605, a couple is formed in the stress direction of the first walking roller 1 and the second walking roller 2 to balance the moment of the load of the heavy object, and under the action of the couple, the guide positioning roller 4 in the conjoined roller mechanism can axially slide to a certain extent, and at the moment, due to the existence of the buffer member 407, the axial sliding of the guide positioning roller 4 is avoided.
In practical use, the main walking roller assembly is moved into the moving body 5, the center lines of the first stop piece 102 and the second stop piece 202 are adjusted to be coincident with the center line of the shaft hole on the moving body 5, then the main walking roller assembly is gradually moved out from the inside of the moving body 5, then the positions of the first locking piece 103 and the second locking piece 203 are adjusted until the first walking roller 1 and the second walking roller 2 are contacted with the inner side of the walking track 605, finally the first stop piece 102 and the second stop piece 202 are fixed, then the first locking piece 103 and the second locking piece 203 are locked to lock and fix the conjoined roller mechanism and the moving body 5, and particularly, the connecting flanges of the first stop piece 102 and the second stop piece 202 are connected with the moving body 5, and then the first locking piece 103 and the second locking piece 203 are locked.
In order to realize the installation process, the inner width of the moving body 5 needs to be at least larger than the sum of the whole length of the assembly of the group of main walking rollers and the length of the outer shaft ends of the walking roller shafts.
When the guide positioning roller 4 is installed, the guide positioning roller 4, the roller shaft 402, the buffer 407 and the positioning roller support frame 401 are assembled, and then the first clamping piece 301 and the second clamping piece 302 of the buckling piece 3 are installed along the radial direction from two sides of the first walking roller shaft 101 and the second walking roller shaft 201 and are fixed with the first stop piece 102 and the second stop piece 202 through screws or bolts; then, the fixing base 404 is installed at the middle position of the fastener 3, and then one end of the bolt 403 is inserted through the fixing base 404 until the end of the bolt 403 contacts the outer surface of the moving body 5. Then, an assembly formed by the guide positioning roller 4, the roller shaft 402, the buffer 407 and the positioning roller support 401 is moved to the inner side of the walking rail 605, the moving bolt 403 is connected with the positioning roller support 401, the guide positioning roller 4 is adjusted to be in close contact with the bottom of the U-shaped groove of the walking rail 605 by adjusting the positions of the third locking member 405 and the fourth locking member 406, and finally the third locking member 405 and the fourth locking member 406 are fixed. After the guiding and positioning roller 4 is assembled and installed, the positions of the first walking roller 1 and the second walking roller 2 are adjusted again, a certain gap is formed between the first walking roller 1 and the second walking roller 2 and the bottom of the U-shaped groove of the walking rail 605, and the first locking member 103 and the second locking member 203 are fixed.
It should be noted that the moving device of the present invention is not limited to be used in an up-down movement, but may be used in a horizontal movement.
It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (10)
1. Disjunctor gyro wheel mechanism includes:
two walking rollers distributed in parallel; it is characterized in that the preparation method is characterized in that,
the end parts of the two walking rollers are connected with a stop piece through walking roller shafts, and locking pieces tightly attached to the stop piece are arranged at the end parts of the walking roller shafts, which penetrate out of the stop piece;
the two walking rollers are connected through a buckling piece to form a connected structure;
the stop piece comprises a hollow cylinder for the walking roller shaft to pass through and a connecting flange arranged at one end of the hollow cylinder far away from the walking roller.
2. The conjoined rolling mechanism according to claim 1, wherein along the direction from the walking roller to the locking member, the outer diameter of the hollow cylinder is gradually increased to make the hollow cylinder in a cone-shaped structure, and the outer diameter of the side of the hollow cylinder adjacent to the walking roller is larger than the diameter of the walking roller.
3. The conjoined roller mechanism according to claim 1, wherein two ends of the buckling member are connected with the corresponding stoppers of the two walking rollers, and the buckling member is provided with a shaft hole for the walking roller shaft to pass through.
4. The conjoined roller mechanism according to claim 3, wherein the fastening member is a split structure, and comprises a first clamping member and a second clamping member which are matched with each other, clamping grooves are arranged at opposite positions of the first clamping member and the second clamping member, and the shaft hole is formed by the two clamping grooves which are arranged oppositely.
5. The linked roller mechanism of claim 1, further comprising:
the guide positioning rollers are arranged between the two walking rollers through positioning roller supporting frames, the axial lines of the guide positioning rollers are perpendicular to the axial lines of the walking rollers, and the roller treads of the guide positioning rollers exceed the outer end faces of the first walking rollers and the second walking rollers.
6. The conjoined roller mechanism according to claim 5, wherein the positioning roller support frame is of a U-shaped structure, the U-shaped opening end of the positioning roller support frame is rotatably provided with the guiding and positioning roller, and the U-shaped closed end of the positioning roller support frame is connected with the buckling member through a bolt;
one end of the bolt extends into the positioning roller support frame and is fastened through the locking piece, and the other end of the bolt penetrates out of the buckling piece and is fastened through the locking piece.
7. The conjoined roller mechanism according to claim 6, wherein a buffer member for preventing the guide positioning roller from sliding axially is arranged in the positioning roller support frame and at two sides of the guide positioning roller.
8. A mobile device, characterized by comprising two sets of conjoined roller mechanisms according to any one of claims 1 to 7, and a moving body for connecting the two sets of conjoined roller mechanisms, wherein the stoppers of the conjoined roller mechanisms are connected with the moving body.
9. The moving device according to claim 8, further comprising a rectangular frame for guiding the two sets of connected roller mechanisms, wherein a traveling guide rail is arranged on an inner side wall of the rectangular frame along a moving direction of the moving body, and the traveling guide rail is of a U-shaped structure.
10. An elevator characterized by comprising the moving device of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911106622.1A CN110861995B (en) | 2019-11-13 | 2019-11-13 | Conjoined roller mechanism, moving device and elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911106622.1A CN110861995B (en) | 2019-11-13 | 2019-11-13 | Conjoined roller mechanism, moving device and elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110861995A CN110861995A (en) | 2020-03-06 |
| CN110861995B true CN110861995B (en) | 2021-02-02 |
Family
ID=69654220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911106622.1A Expired - Fee Related CN110861995B (en) | 2019-11-13 | 2019-11-13 | Conjoined roller mechanism, moving device and elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110861995B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0257033B1 (en) * | 1986-02-24 | 1990-02-07 | Caterpillar Industrial Inc. | Lift mast mounting arrangement and method for removal |
| CN204139574U (en) * | 2014-07-28 | 2015-02-04 | 深圳市特辰科技股份有限公司 | A kind of roller mount and comprise this roller mount from lifting material platform |
| CN208184494U (en) * | 2018-03-19 | 2018-12-04 | 范志威 | The small four-wheel of balance on translation door guide rail |
| CN208747570U (en) * | 2018-07-31 | 2019-04-16 | 格力电器（武汉）有限公司 | A kind of roller supporting seat and fork truck |
| CN209065357U (en) * | 2018-09-03 | 2019-07-05 | 江苏新美星包装机械股份有限公司 | The guiding device of stacker loading platforms |
| CN209481122U (en) * | 2018-10-08 | 2019-10-11 | 安徽合力股份有限公司 | A kind of guide roller group of fork truck multistage door frame |
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2019
- 2019-11-13 CN CN201911106622.1A patent/CN110861995B/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN110861995A (en) | 2020-03-06 |
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Granted publication date: 20210202 Termination date: 20211113 |