CN220719189U - Roller thrust block crimping device - Google Patents
Roller thrust block crimping device Download PDFInfo
- Publication number
- CN220719189U CN220719189U CN202322324972.3U CN202322324972U CN220719189U CN 220719189 U CN220719189 U CN 220719189U CN 202322324972 U CN202322324972 U CN 202322324972U CN 220719189 U CN220719189 U CN 220719189U
- Authority
- CN
- China
- Prior art keywords
- thrust block
- mandrel
- guide rod
- centering
- centering ring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000002788 crimping Methods 0.000 title claims abstract description 14
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 6
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
The utility model discloses a roller thrust block crimping device, which comprises: the base is fixedly provided with a guide rod, and a centering ring, a centering sleeve and a mandrel which are matched with the roller are coaxially arranged on the guide rod; the guide rod is sleeved with a compression spring, the mandrel is fixed at the upper end of the guide rod, the centering ring is sleeved outside the mandrel and presses the upper end of the compression spring, and the centering sleeve is sleeved outside the mandrel and presses the upper end of the centering ring; the upper end of the mandrel is provided with a thrust block, and the upper surface of the thrust block is flush with the upper end surface of the centralizing sleeve; the contact surface of the thrust block and the mandrel is inlaid with copper alloy, a positioning groove is formed in the side end surface, and a positioning protrusion is correspondingly arranged on the upper end surface of the mandrel; the cone is coaxially mounted on the centering ring. The device can rapidly and accurately press the thrust block into the thrust block hole of the roller cone, meanwhile, the forward and reverse directions can be conveniently distinguished when the thrust block is placed, and the orientation of the copper alloy surface of the thrust block is ensured.
Description
Technical Field
The utility model relates to the technical field of cone assembly, in particular to a cone thrust block crimping device.
Background
The top of the inner hole of the cone is provided with a thrust structure with bearing capacity, and the thrust structure commonly used at present adopts a hard alloy thrust block. Because the thrust block is positioned at the end part of the axial bearing position and the inner wall of the cone is of a special-shaped structure, the thrust block and the inner hole of the cone are required to be assembled in an interference fit manner during assembly, the conventional jacking device cannot stably penetrate into the cone, assembly deviation is easy to exist, and the thrust block is not completely pressed into the inner hole of the cone.
Disclosure of Invention
The utility model aims to: in order to overcome the defects of the background technology, the utility model discloses a roller cone thrust block crimping device.
The technical scheme is as follows: the utility model discloses a roller thrust block crimping device, which comprises:
the base is fixedly provided with a guide rod, and a centering ring, a centering sleeve and a mandrel which are matched with the roller are coaxially arranged on the guide rod;
the guide rod is sleeved with a compression spring, the mandrel is fixed at the upper end of the guide rod, the centering ring is sleeved outside the mandrel and presses the upper end of the compression spring, and the centering sleeve is sleeved outside the mandrel and presses the upper end of the centering ring;
the upper end of the mandrel is provided with a thrust block, and the upper surface of the thrust block is flush with the upper end surface of the centralizing sleeve;
the contact surface of the thrust block and the mandrel is inlaid with copper alloy, a positioning groove is formed in the side end surface, and a positioning protrusion is correspondingly arranged on the upper end surface of the mandrel;
the cone is coaxially arranged on the centering ring, the cone, the centering sleeve and the centering ring move downwards under the pressure of the press piston, the thrust block is jacked into the cone thrust block hole by the mandrel, when the press piston is recovered upwards, the compression spring rebounds to reset the cone, the centering sleeve and the centering ring, the cone is taken down, and a new thrust block and the cone are put on for repeated press mounting operation.
Further, the base is fixed at the bottom of the guide rod through a bolt, the lower end of the mandrel extends to form a guide post, and the guide post is inserted into the guide rod.
Further, adjusting nut is established to guide arm bottom outside screw thread cover, compression spring's lower terminal surface is pressed in adjusting nut's up end, through rotating adjusting nut and adjusting the difference in height of righting cover and mandrel up end, guarantees that the thrust piece is put into the rear end face parallel and level.
Further, the periphery of the upper end face of the centering ring is provided with a placing notch matched with the bottom of the cone.
Further, the positioning protrusion and the positioning groove are both positioned at the axial center of the mandrel.
Furthermore, a pressing cylinder is arranged at the top of the roller cone and bears the pressing force of the pressing machine.
Further, the pressure cylinder is arranged coaxially with the mandrel.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that: the device can rapidly and accurately press the thrust block into the thrust block hole of the roller cone, meanwhile, the forward and reverse directions can be conveniently distinguished when the thrust block is placed, and the orientation of the copper alloy surface of the thrust block is ensured.
Drawings
FIG. 1 is an overall cross-sectional view of the present utility model;
FIG. 2 is a diagram of the overall external architecture of the present utility model;
FIG. 3 is a cross-sectional view of a thrust block of the present utility model.
Detailed Description
The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.
A roller cone thrust block crimping device as shown in fig. 1-3, comprising:
the base 1, base 1 passes through the fixed guide arm 2 bottom of bolt, centering ring 4, centering sleeve 5, the mandrel 6 that the coaxial installation and cone 3 match on the guide arm 2, this centering ring 4, centering sleeve 5, mandrel 6 are the change piece.
The guide rod 2 is sleeved with the compression spring 7, the mandrel 6 is fixed at the upper end of the guide rod 2, the lower end of the mandrel 6 extends to form a guide column, the guide column is inserted into the guide rod 2, the centering ring 4 is sleeved outside the mandrel 6 and presses the upper end of the compression spring 7, the centering sleeve 5 is sleeved outside the mandrel 6 and presses the upper end of the centering ring 4, the outer side thread sleeve at the bottom of the guide rod 2 is provided with the adjusting nut 12, the lower end face of the compression spring 7 presses the upper end face of the adjusting nut 12, the upper end of the mandrel 6 is provided with the thrust block 8, the height difference between the centering sleeve 5 and the upper end face of the mandrel 6 is adjusted by rotating the adjusting nut 12, and the upper surface of the thrust block 8 is enabled to be flush with the upper end face of the centering sleeve 5 after the thrust block 8 is put in.
Copper alloy 9 is inlayed to the contact surface of thrust piece 8 and mandrel 6 to offer positioning groove 10 on this thrust piece 8's contact surface, mandrel 6 up end corresponds to be equipped with location arch 11, location arch 11 and positioning groove 10 all are located the axle center position of mandrel 6, and when thrust piece 8 direction misplaced, can lead to thrust piece 8 to be higher than righting sleeve 5 owing to location arch 11, be convenient for discover the problem.
The periphery of the upper end face of the centering ring 4 is provided with a placing notch matched with the bottom of the cone 3, the cone 3 is coaxially arranged on the centering ring 4, the top of the cone 3 is provided with a pressing cylinder 13, and the pressing cylinder is coaxially arranged with the mandrel 6 to bear the pressing force of a pressing machine.
The pressing cylinder 12 drives the cone 3, the centralizing sleeve 5 and the centering ring 4 to move downwards under the pressure of the press piston, the thrust block 8 is jacked into the cone thrust block hole by the mandrel 6, when the press piston is recovered upwards, the compression spring 7 rebounds to reset the pressing cylinder 12, the cone 3, the centralizing sleeve 5 and the centering ring 4, the cone 3 is taken down, and a new thrust block 8 and the cone 3 are put on for repeated pressing operation.
Claims (7)
1. A roller cone thrust block crimping device, comprising:
the centering device comprises a base (1), wherein a guide rod (2) is fixed on the base (1), and a centering ring (4), a centering sleeve (5) and a mandrel (6) which are matched with a roller cone (3) are coaxially arranged on the guide rod (2);
the guide rod (2) is sleeved with a compression spring (7), the mandrel (6) is fixed at the upper end part of the guide rod (2), the centering ring (4) is sleeved outside the mandrel (6) and is pressed at the upper end of the compression spring (7), and the centering sleeve (5) is sleeved outside the mandrel (6) and is pressed at the upper end of the centering ring (4);
the upper end of the mandrel (6) is provided with a thrust block (8), and the upper surface of the thrust block (8) is flush with the upper end surface of the centralizing sleeve (5);
copper alloy (9) is inlaid on the contact surface of the thrust block (8) and the mandrel (6), a positioning groove (10) is formed in the contact surface of the thrust block (8), and a positioning protrusion (11) is correspondingly arranged on the upper end surface of the mandrel (6);
the gear wheel (3) is coaxially arranged on the centering ring (4), the gear wheel (3), the centering sleeve (5) and the centering ring (4) move downwards under the pressure of a press piston, the thrust block (8) is jacked into a gear wheel thrust block hole by the mandrel (6), when the press piston is recovered upwards, the compression spring (7) rebounds to reset the gear wheel (3), the centering sleeve (5) and the centering ring (4), the gear wheel (3) is taken down, and a new thrust block (8) and the gear wheel (3) are put on for repeated press mounting operation.
2. The roller cone thrust block crimping device of claim 1 wherein: the base (1) is fixed at the bottom of the guide rod (2) through bolts, the lower end of the mandrel (6) extends to form a guide post, and the guide post is inserted into the guide rod (2).
3. The roller cone thrust block crimping device of claim 1 wherein: an adjusting nut (12) is sleeved on the outer side of the bottom of the guide rod (2), the lower end face of the compression spring (7) is pressed on the upper end face of the adjusting nut (12), and the height difference between the centering sleeve (5) and the upper end face of the mandrel (6) is adjusted by rotating the adjusting nut (12), so that the thrust block (8) is placed in the rear end face to be flush.
4. The roller cone thrust block crimping device of claim 1 wherein: the periphery of the upper end surface of the centering ring (4) is provided with a placing notch matched with the bottom of the roller cone (3).
5. The roller cone thrust block crimping device of claim 1 wherein: the positioning protrusion (11) and the positioning groove (10) are both positioned at the axle center of the mandrel (6).
6. The roller cone thrust block crimping device of claim 1 wherein: the top of the roller (3) is provided with a pressing cylinder (13) for bearing the pressing force of the pressing machine.
7. The roller cone thrust block crimping device of claim 6 wherein: the pressing cylinder (13) is coaxially arranged with the mandrel (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322324972.3U CN220719189U (en) | 2023-08-29 | 2023-08-29 | Roller thrust block crimping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322324972.3U CN220719189U (en) | 2023-08-29 | 2023-08-29 | Roller thrust block crimping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220719189U true CN220719189U (en) | 2024-04-05 |
Family
ID=90502992
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322324972.3U Active CN220719189U (en) | 2023-08-29 | 2023-08-29 | Roller thrust block crimping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220719189U (en) |
-
2023
- 2023-08-29 CN CN202322324972.3U patent/CN220719189U/en active Active
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| GR01 | Patent grant |