CN215660017U - Carrier roller dismounting device - Google Patents
Carrier roller dismounting device Download PDFInfo
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- CN215660017U CN215660017U CN202121022139.8U CN202121022139U CN215660017U CN 215660017 U CN215660017 U CN 215660017U CN 202121022139 U CN202121022139 U CN 202121022139U CN 215660017 U CN215660017 U CN 215660017U
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- piece
- carrier roller
- hole
- pressure column
- bearing
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a carrier roller dismounting device, which comprises a carrier roller shaft and a carrier roller sleeve, wherein the carrier roller dismounting device comprises a bracket and a pressure piece; the bracket comprises a bracket body, a first supporting piece and a second supporting piece; the first supporting piece is positioned above the second supporting piece and is respectively and fixedly connected with the frame body; the second supporting piece is used for placing the carrier roller; the pressure piece comprises a telescopic pressure column; the pressure piece is fixedly connected with the first supporting piece; the pressure column is a cylinder, and when the carrier roller is placed on the second bearing piece, the pressure column corresponds to the carrier roller shaft. According to the carrier roller dismounting device, after the carrier roller is placed on the second bearing piece, the carrier roller shaft is kept corresponding to the pressure column, and the pressure column stably moves towards the direction of the carrier roller shaft to enable the carrier roller shaft to be separated from the carrier roller sleeve; manpower is reduced, and disassembly safety is improved; avoid the bearing roller to receive the violent impact and produce the damage, reduce cost of maintenance.
Description
Technical Field
The utility model belongs to the technical field of maintenance tools, and particularly relates to a supporting roller dismounting device.
Background
The carrier roller shaft and the carrier roller sleeve of the existing bridge crane rear bracket trolley adopt interference fit. There is a certain difficulty when the idler is worn to a certain extent and needs to be removed from the idler shaft for replacement. Traditionally, two carrier roller sleeves of this type are used as a support to cushion the carrier roller, and then a sledge hammer is used to strike the upper carrier roller shaft to move it downwards to disengage from the carrier roller sleeves. The method has two disadvantages, one is that two persons are needed to cooperate, and the person holding the carrier roller is easy to squeeze the carrier roller into the hand; secondly, the roller carrier shaft is damaged by the knocking of a sledge hammer, so that the bearing cannot be installed on the roller carrier shaft.
Disclosure of Invention
The utility model provides a carrier roller dismounting device, which reduces manpower and improves efficiency; safe and reliable, reduce cost of maintenance.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a carrier roller dismounting device comprises a carrier roller shaft and a carrier roller sleeve, and comprises a bracket and a pressure piece;
the bracket comprises a bracket body, a first supporting piece and a second supporting piece; the first supporting piece is positioned above the second supporting piece and is respectively and fixedly connected with the frame body; the second supporting piece is used for placing the carrier roller;
the pressure piece comprises a telescopic pressure column; the pressure piece is fixedly connected with the first supporting piece; the pressure column is a cylinder, and when the carrier roller is placed on the second bearing piece, the pressure column corresponds to the carrier roller shaft.
In one embodiment, the second supporting piece is provided with a first through hole which is matched with the roller supporting shaft in an installing way; when the carrier roller is placed on the second bearing piece, the carrier roller shaft is positioned in the first through hole.
In one embodiment, the first supporting member is provided with a second through hole which coaxially corresponds to the first through hole;
the pressure piece is positioned above the first supporting piece and is fixedly connected with the first supporting piece; the pressure column is vertically positioned in the second through hole.
In one embodiment, the pressure column is a bolt; the pressure piece also comprises a threaded hole piece which is provided with a threaded hole matched with the bolt in a connecting way;
the threaded hole piece is fixedly connected with the first supporting piece; the threaded hole is coaxially corresponding to the second through hole;
the head of the bolt is upwards installed on the threaded hole piece.
In one embodiment, the pressure column is a cylinder provided with external threads and at one end with a handle having a transverse length; the pressure piece also comprises a threaded hole piece which is provided with a threaded hole matched with the external thread in a connecting way;
the threaded hole piece is fixedly connected with the first supporting piece; the threaded hole is coaxially corresponding to the second through hole;
the pressure column is arranged on the threaded hole piece; the handle is positioned above the screw hole piece.
In one embodiment, the handle includes a first section, a second section, a grip; the first section and the second section can be fixedly connected in a fully overlapping or partially overlapping way; the handle is fixedly connected with one end of the second section.
In an embodiment, the first section and the second section are respectively provided with a third through hole and a fourth through hole which are equidistant;
each third through hole or part of the third through holes is connected with each fourth through hole or part of the fourth through holes through bolts.
In some embodiments, the device further comprises an abutment member connected to one end of the pressure column near the roller shaft and capable of rotating around the axis of the pressure column relative to the pressure column; when the carrier roller is placed on the second bearing piece, the abutting piece abuts against the end face of the carrier roller shaft.
In some embodiments, the bracket further includes a third supporting member, which is located at a lower end of the frame body and is fixedly connected to the frame body.
Compared with the prior art, the utility model has the advantages and positive effects that: the carrier roller dismounting device enables a carrier roller shaft to keep vertical correspondence with a pressure column after the carrier roller is placed on a second bearing piece through the first bearing piece and the second bearing piece which are fixed into a whole, and then enables the carrier roller to move towards the direction of the carrier roller shaft through the contraction function of the pressure column of the pressure piece; the carrier roller shaft is pushed out of the carrier roller sleeve in the process that the pressure column moves towards the carrier roller shaft. Firstly, the position of the roller carrier shaft relative to the pressure column is fixed, and the roller carrier shaft is not manually held, so that the manpower is reduced, and the disassembly safety is improved; then, the pressure column of the pressure piece can slowly and stably move towards the carrier roller shaft through the telescopic function, the carrier roller is prevented from being damaged due to violent impact, and the maintenance cost is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of a carrier roller dismounting device provided by the utility model;
FIG. 2 is a schematic structural view of another embodiment of a carrier roller dismounting device according to the present invention;
fig. 3 is a partially enlarged view of fig. 2.
In the figure, the position of the upper end of the main shaft,
1. a support; 2. a pressure member; 3. a carrier roller; 4. a handle; 5. an abutting member; 11. a frame body; 12. a first support; 121. a second through hole; 13. a second support; 14. a third support member; 21. a pressure column; 22. a threaded member; 31. a carrier roller shaft; 32. a roller sleeve; 41. a first stage; 42. a second stage; 43. a handle; 411. a third through hole; 421. and a fourth via.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.
Referring to fig. 1, 2 and 3, the utility model discloses a carrier roller dismounting device, wherein a carrier roller 3 comprises a carrier roller shaft 31 and a carrier roller sleeve 32, and the carrier roller shaft 31 and the carrier roller sleeve 32 are in interference fit. The idler dismounting device is used for dismounting the idler shaft 31 and the idler sleeve 32.
The carrier roller dismounting device comprises a bracket 1 and a pressure piece 2. The bracket 1 comprises a bracket body 11, a first supporting piece 12 and a second supporting piece 13; the first supporting member 12 and the second supporting member 13 are both plate-shaped structures and are arranged in parallel, and the first supporting member 12 is located above the second supporting member 13 and is respectively fixedly connected with the frame body 11. The pressure piece 2 is fixedly connected with the first supporting piece 12 and comprises a telescopic pressure column 21; the pressure column 21 is a cylinder; the second support 13 is used for vertically placing the carrier roller 3. When the idler 3 is placed onto the second bearing 13, one end of the pressure column 21 vertically corresponds to the idler shaft 31.
When the carrier roller is disassembled, the pressure column 21 moves towards the direction of the carrier roller shaft 31 and is abutted against the end face of the carrier roller shaft 31; when the pressure column 21 continues to move in the direction of the carrier roller shaft 31, the carrier roller shaft 31 is pushed out of the carrier roller sleeve 32. The pressure column 21 moves slowly and stably, so that the carrier roller 3 is prevented from being impacted by violent force, the carrier roller 3 does not need to be supported, the manpower is reduced, and the safety of the disassembly operation is improved; bearing roller 3 does not have fierce striking at the dismantlement in-process, avoids bearing roller shaft 31 damaged back to influence reuse, reduces cost of maintenance.
In an embodiment, referring to fig. 1, 2 and 3, the second bearing 13 is provided with a first through hole (not shown in the drawings) which is fitted with the bearing roller shaft 31. That is, when the idler 3 is placed on the second bearing piece 13, the idler shaft 31 is located in the first through hole and cannot move in the radial direction to a large extent, so that the idler shaft 31 and the idler sleeve 32 are prevented from being separated when the pressure column 21 moves towards the idler shaft 31 due to uneven stress when the pressure column 21 is connected with the idler shaft 31 during moving.
The first through hole of the present embodiment not only plays a role in positioning the idler roller 3, but also plays a role in accommodating the idler roller shaft 31 in a process of disengaging from the idler sleeve 32.
In one embodiment, referring to fig. 1, 2 and 3, the first supporting member 12 is provided with a second through hole 121, which is coaxially corresponding to the first through hole.
The pressure piece 2 is positioned above the first supporting piece 12 and is fixedly connected with the first supporting piece 12; the pressure column 21 vertically passes through the second through hole 121 to vertically correspond to the end surface of the carrier roller shaft 31 placed on the second bearing 13.
In one embodiment, referring to fig. 1 and 2, the pressure column 21 is a bolt; the pressure element 2 further comprises a threaded element 22 provided with a threaded hole adapted to the screw connection.
The screw hole piece 22 is fixedly connected with the first supporting piece 12; the threaded hole coaxially corresponds to the second through hole 121; the head of the bolt is upwardly fitted to the screw member 22, and the tip passes through the second through hole 121.
This embodiment makes things convenient for tools such as spanner to apply to the head of bolt, carries out the dismantlement operation.
In one embodiment, referring to fig. 2, the pressure column 21 is a cylinder provided with an external thread and a handle 4 having a transverse length fixedly provided at one end. The pressure element 2 further comprises a threaded element 22 provided with a threaded hole adapted to the connection with the external thread.
The screw hole piece 22 is fixedly connected with the first supporting piece 12; the threaded hole coaxially corresponds to the second through hole 121; the pressure column 21 is arranged on the screw hole piece 22; the handle 4 is located above the threaded member 22.
The handle 4 with the transverse length is arranged in the embodiment, the pressure column 21 can move in the threaded hole by pushing or pulling the tail end of the handle 4, the structure is simple, the cost is low, and time and labor are saved.
In one embodiment, referring to fig. 2, the handle 4 includes a first section 41, a second section 42, a grip 43; the first section 41 and the second section 42 can be fixedly connected in a fully overlapping or partially overlapping mode; a handle 43 is fixedly connected to one end of the second section 42.
This embodiment makes the length of handle 4 adjustable to the required torsion of dismantlement of adaptation bearing roller axle 31 and bearing roller cover 32 satisfies the dismantlement of the bearing roller 3 of more models, improves the adaptability.
The handle 43 extends along the length direction of the handle 4 or is perpendicular to the length direction of the handle 4, so that the handle is convenient to hold, exert force, reduce the operation stroke of people and improve the disassembly efficiency.
Preferably, referring to fig. 2, the first section 41 and the second section 42 are respectively provided with a third through hole 411 and a fourth through hole 421 which are equidistant; each third through hole 411 or a part of the third through holes 411 is connected to each fourth through hole 421 or the fourth through hole 421 by a bolt.
The third through hole 411 and the fourth through hole 421 which are arranged on the first section 41 and the second section 42 at equal intervals are connected through bolts, so that the first section 41 and the second section 42 are stably connected, the handle 4 is ensured to be stable in structure, and the operation safety is ensured.
In some embodiments, referring to fig. 2 and 3, the idler dismounting device further comprises an abutment 5 connected to an end of the pressure column 21 adjacent to the idler shaft 31, rotatable about its axis relative to the pressure column 21. When the idler 3 is placed on the second receptacle, the pressure column 21 moves in the direction of the idler shaft 31 until the abutment 5 abuts an end face of the idler shaft 31.
In the embodiment, when the pressure column 21 rotates relative to the axis of the carrier roller shaft 31, the abutting piece 5 is connected with the end face of the carrier roller shaft 31 without sliding, so that the end face of the carrier roller shaft 31 is protected from being damaged, and the disassembly quality is improved.
In some embodiments, referring to fig. 2, the stand 1 further includes a third supporting member 14, which is located at a lower end of the frame body 11 and is fixedly connected to the frame body 11.
The third supporting member 14 of the present embodiment is used for placing the weight stabilizing bracket 1, so that the position of the bracket 1 is kept in the process of operating the handle 4, and the stability and the safety of the disassembling operation are improved.
The third supporting piece 14 can be a plate-shaped structure and is arranged in parallel with the first supporting piece 12 and the second supporting piece 13; the frame structure can also be adopted, so long as the frame structure can be stably connected with a heavy object or can be stably connected with a fixed object.
Of course, the pressure element 2 can also be a hydraulic or pneumatic cylinder type device. The cylinder body is fixedly connected with the first supporting piece 12; the piston rod is connected to the idler shaft 31 through the second through hole 121.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, 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.
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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. The utility model provides a bearing roller dismounting device, the bearing roller includes bearing roller axle, bearing roller cover, its characterized in that includes:
the bracket comprises a bracket body, a first supporting piece and a second supporting piece; the first supporting piece is positioned above the second supporting piece and is respectively and fixedly connected with the frame body; the second supporting piece is used for placing the carrier roller;
a pressure member comprising a telescoping pressure column; the pressure piece is fixedly connected with the first supporting piece; the pressure column is a cylinder, and when the carrier roller is placed on the second bearing piece, the pressure column corresponds to the carrier roller shaft.
2. A idler roller dismounting device according to claim 1 wherein said second bearing is provided with a first through hole which is fittingly mounted with said idler shaft; when the carrier roller is placed on the second bearing piece, the carrier roller shaft is positioned in the first through hole.
3. A idler dismounting device according to claim 2, wherein said first bearing is provided with a second through hole which corresponds coaxially with said first through hole;
the pressure piece is positioned above the first supporting piece and is fixedly connected with the first supporting piece; the pressure column is vertically positioned in the second through hole.
4. A roller dismounting device according to claim 3 wherein the pressure post is a bolt; the pressure piece also comprises a threaded hole piece which is provided with a threaded hole matched with the bolt in a connecting way;
the threaded hole piece is fixedly connected with the first supporting piece; the threaded hole is coaxially corresponding to the second through hole;
the head of the bolt is upwards installed on the threaded hole piece.
5. A roller dismounting device as claimed in claim 3 wherein the pressure column is a cylinder provided with external threads and a handle of transverse length at one end; the pressure piece also comprises a threaded hole piece which is provided with a threaded hole matched with the external thread in a connecting way;
the threaded hole piece is fixedly connected with the first supporting piece; the threaded hole is coaxially corresponding to the second through hole;
the pressure column is arranged on the threaded hole piece; the handle is positioned above the screw hole piece.
6. A roller dismounting device according to claim 5 wherein said handle includes a first section, a second section, a handle; the first section and the second section can be fixedly connected in a fully overlapping or partially overlapping way; the handle is fixedly connected with one end of the second section.
7. A roller dismounting device as claimed in claim 6, wherein the first and second sections are provided with third and fourth through holes, respectively, which are equidistant;
each third through hole or part of the third through holes is connected with each fourth through hole or part of the fourth through holes through bolts.
8. An idler roller dismounting device according to any one of claims 1 to 7 further including an abutment member connected to an end of the pressure column adjacent the idler shaft and rotatable about its axis relative to the pressure column; when the carrier roller is placed on the second bearing piece, the abutting piece abuts against the end face of the carrier roller shaft.
9. A roller dismounting device according to any one of claims 1 to 7, wherein the cradle further includes a third bearing member located at a lower end of the cradle body and fixedly connected to the cradle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121022139.8U CN215660017U (en) | 2021-05-13 | 2021-05-13 | Carrier roller dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121022139.8U CN215660017U (en) | 2021-05-13 | 2021-05-13 | Carrier roller dismounting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215660017U true CN215660017U (en) | 2022-01-28 |
Family
ID=79972023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121022139.8U Expired - Fee Related CN215660017U (en) | 2021-05-13 | 2021-05-13 | Carrier roller dismounting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215660017U (en) |
-
2021
- 2021-05-13 CN CN202121022139.8U patent/CN215660017U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220128 |