CN220145823U - Adjustable hydraulic pressure draws Ma Dinggan - Google Patents
Adjustable hydraulic pressure draws Ma Dinggan Download PDFInfo
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- CN220145823U CN220145823U CN202321315143.2U CN202321315143U CN220145823U CN 220145823 U CN220145823 U CN 220145823U CN 202321315143 U CN202321315143 U CN 202321315143U CN 220145823 U CN220145823 U CN 220145823U
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- adjusting sleeve
- dinggan
- rod
- adjustable hydraulic
- hydraulic pressure
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- 230000007704 transition Effects 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses an adjustable hydraulic pressure pull Ma Dinggan, which comprises an outer adjusting sleeve, wherein one end of the outer adjusting sleeve is closed, and the other end of the outer adjusting sleeve is open; one end of the outer adjusting sleeve is externally integrally provided with an adjusting sleeve mounting threaded rod, one end of the inner ejector rod is detachably mounted in the other end of the outer adjusting sleeve, and the other end of the inner ejector rod is integrally provided with a positioning rod. According to the adjustable hydraulic pressure pull Ma Dinggan, the length of the ejector rod can be adjusted through the rotary fit between the outer adjusting sleeve and the inner ejector rod, the hydraulic pressure pull Ma Dinggan is not required to be replaced when parts with different specifications are detached, the labor and time are saved, and the maintenance efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of mechanical disassembly and maintenance, relates to a mechanical disassembly tool, and particularly relates to an adjustable hydraulic pull Ma Dinggan.
Background
The pulley or the bearing on various shafts are often required to be disassembled during mechanical maintenance, and a hydraulic puller is usually used during the disassembly because the shaft and the pulley or the bearing are generally in excessive or interference fit. Because the belt pulley has more width types, the distance between the bearing position and the section of the shaft is different in depth, and therefore, the ejector rods with different lengths must be replaced according to actual conditions when the hydraulic drawing machine is used for dismounting. The hydraulic pressure of being equipped with multiple kind draws Ma Dinggan, not only all need change when using each time, waste time and energy, also inconvenient accomodate simultaneously carries, loses easily.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide an adjustable hydraulic pull Ma Dinggan, which solves the technical problems that in the prior art, ejector rods with different lengths are required to be replaced frequently during mechanical maintenance, so that time and labor are wasted.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an adjustable hydraulic pressure pull Ma Dinggan comprises an outer adjusting sleeve, wherein one end of the outer adjusting sleeve is closed, and the other end of the outer adjusting sleeve is open; one end of the outer adjusting sleeve is externally integrally provided with an adjusting sleeve mounting threaded rod, one end of the inner ejector rod is detachably mounted in the other end of the outer adjusting sleeve, and the other end of the inner ejector rod is integrally provided with a positioning rod.
The utility model also has the following technical characteristics:
an adjusting thread is arranged outside one end of the inner ejector rod, and an adjusting sleeve internal thread matched with the adjusting thread is arranged on the inner wall of the other end of the outer adjusting sleeve.
The adjusting screw thread and the adjusting sleeve internal screw thread are fine threads.
The screw thread that the adjusting sleeve installation threaded rod set up outward be the thick thread.
The positioning rod comprises a positioning part and a transition part which are integrally arranged; the positioning part is of a cone structure, one end of the cone structure is a cone bottom surface, and the other end of the cone structure is a cone vertex; one end of the transition part is integrally connected with the inner ejector rod, and the other end of the transition part is integrally connected with the positioning part.
The locating rod is provided with a stress application through hole.
The inner ejector rod is detachably provided with a fastening nut outside, and the fastening nut is positioned between the positioning rod and the outer adjusting sleeve.
Compared with the prior art, the utility model has the following technical effects:
according to the adjustable hydraulic pull Ma Dinggan disclosed by the utility model, the length of the ejector rod can be adjusted through the rotary fit between the outer adjusting sleeve and the inner ejector rod, the hydraulic pull Ma Dinggan is not required to be replaced when parts with different specifications are detached, the labor and time are saved, and the maintenance efficiency is improved.
(II) this adjustable hydraulic pressure of length draws Ma Dinggan's simple structure does benefit to and accomodates and arrange in order, and low in manufacturing cost can extensively be used for occasions such as bearing dismantlement and belt pulley dismantlement.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an adjustable hydraulic pull Ma Dinggan.
Fig. 2 is a front view of adjustable hydraulic pull Ma Dinggan.
FIG. 3 is a cross-sectional view of FIG. 2 A-A'.
Fig. 4 is a side view of fig. 2 from the B direction.
Fig. 5 is a schematic structural view of the inner carrier rod.
Fig. 6 is a front view of the inner carrier rod.
Fig. 7 is a schematic structural view of the outer adjustment sleeve.
Fig. 8 is a front view of the outer adjustment sleeve.
Fig. 9 is a cross-sectional view of fig. 8C-C'.
The meaning of each reference numeral and symbol in the drawings is: the device comprises a first outer adjusting sleeve, a second adjusting sleeve, a threaded rod, a third inner ejector rod, a fourth positioning rod, a fourth adjusting screw, a fifth adjusting screw, a sixth adjusting sleeve internal screw, a sixth adjusting screw, a seventh stressing through hole and a sixth fastening nut, wherein the sixth adjusting sleeve is provided with the threaded rod, the third inner ejector rod, the fourth positioning rod, the fifth adjusting screw, the sixth adjusting sleeve internal screw, the seventh stressing through hole and the eighth fastening nut;
positioning part 401-, transition part 402-.
The present utility model will be explained in more detail with reference to examples.
Detailed Description
The adjustable hydraulic pull Ma Dinggan of the present utility model can be used in conjunction with conventional hydraulic pullers known in the art, such as three-jaw hydraulic pullers.
All parts in the present utility model are known in the art, unless otherwise specified.
The following specific embodiments of the present utility model are provided, and it should be noted that the present utility model is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solution of the present utility model fall within the protection scope of the present utility model.
Examples:
the embodiment provides an adjustable hydraulic pressure pull Ma Dinggan, as shown in fig. 1 to 4, comprising an outer adjusting sleeve 1, wherein one end of the outer adjusting sleeve 1 is closed and the other end is open; one end of the outer adjusting sleeve 1 is externally integrally provided with an adjusting sleeve mounting threaded rod 2, one end of the inner ejector rod 3 is detachably mounted in the other end of the outer adjusting sleeve 1, and the other end of the inner ejector rod 3 is integrally provided with a positioning rod 4.
As a specific scheme of this embodiment, as shown in fig. 3, an adjusting screw thread 5 is disposed outside one end of the inner ejector rod 3, and an adjusting sleeve internal screw thread 6 matched with the adjusting screw thread 5 is disposed on the inner wall of the other end of the outer adjusting sleeve 1.
In this embodiment, one end of the inner ejector rod 3 is detachably mounted in the outer adjusting sleeve 1 through the adjusting screw thread 5 and the adjusting sleeve internal screw thread 6.
As a specific solution of this embodiment, as shown in fig. 5 and 6, the adjusting screw thread 5 and the adjusting sleeve internal screw thread 6 are fine threads.
In this embodiment, since the load carried by the inner carrier rod is large when the bearing or the pulley is removed, fine threads are used, and the specifications of the fine threads can be those of metric fine threads known in the prior art according to actual conditions.
As a specific scheme of the present embodiment, as shown in fig. 7 to 9, the screw thread provided outside the adjusting sleeve mounting threaded rod 2 is a coarse thread.
In this embodiment, the adjusting sleeve mounting threaded rod 2 is used to mount the assembled adjustable hydraulic pressure pull Ma Dinggan on the cylinder rod of the hydraulic pressure pull horse, and the standard of the rough thread can be the standard of the metric rough thread known in the prior art according to the actual situation.
As a specific scheme of the present embodiment, as shown in fig. 5, the positioning lever 4 includes a positioning portion 401 and a transition portion 402 which are integrally provided; the positioning part 401 is of a cone structure, one end of the cone structure is a cone bottom surface, and the other end of the cone structure is a cone vertex; one end of the transition part 402 is integrally connected with the inner push rod 3, and the other end of the transition part 402 is integrally connected with the positioning part 401.
In this embodiment, the cone structure of the positioning portion 401 is matched with the center hole of the bearing or the pulley mounting shaft, so that positioning is facilitated.
As a specific scheme of this embodiment, as shown in fig. 5 and 6, the positioning rod 4 is provided with a force application through hole 7.
In this embodiment, the force application through hole 7 is used for inserting the torsion bar, so that force application rotation is facilitated.
As a specific scheme of the present embodiment, as shown in fig. 1 to 4, the fastening nut 8 is detachably mounted outside the inner push rod 3, and the fastening nut 8 is located between the positioning rod 4 and the outer adjustment sleeve 1.
In this embodiment, the fastening nut 8 is a conventional hexagonal nut known in the prior art, and the fastening nut 8 is tightened by a wrench to play a role in stabilizing and limiting the outer adjusting sleeve 1.
The working process of the utility model is as follows:
first, the fastening nut 8 is installed outside the inner carrier rod 3, and then the inner carrier rod 3 with the fastening nut 8 is installed inside the outer adjustment sleeve 1, completing the assembly of the adjustable hydraulic pull Ma Dinggan.
Second, the assembled adjustable hydraulic power Ma Dinggan is mounted on the cylinder rod of the hydraulic power puller through the adjusting sleeve mounting threaded rod 2, and then the inner ejector rod 3 is rotated so that the inner ejector rod 3 extends out of the outer adjusting sleeve 1 until the outer adjusting sleeve is adjusted to a proper length.
Third, the positioning rod 4 is placed in the central hole of the bearing or pulley mounting shaft, and then the hydraulic puller is started to detach the bearing or pulley.
Fourth, after the disassembly is completed, the adjustable hydraulic pull Ma Dinggan is disassembled for the next use.
Claims (7)
1. An adjustable hydraulic pressure pull Ma Dinggan is characterized by comprising an outer adjusting sleeve (1), wherein one end of the outer adjusting sleeve (1) is closed and the other end of the outer adjusting sleeve is open; one end of the outer adjusting sleeve (1) is externally integrally provided with an adjusting sleeve mounting threaded rod (2), one end of the inner ejector rod (3) is detachably mounted in the other end of the outer adjusting sleeve (1), and the other end of the inner ejector rod (3) is integrally provided with a positioning rod (4).
2. An adjustable hydraulic pressure pull Ma Dinggan as claimed in claim 1, characterized in that an adjusting screw thread (5) is arranged outside one end of the inner ejector rod (3), and an adjusting sleeve internal screw thread (6) matched with the adjusting screw thread (5) is arranged on the inner wall of the other end of the outer adjusting sleeve (1).
3. An adjustable hydraulic power pull Ma Dinggan as claimed in claim 2, wherein the adjustment screw threads (5) and the adjustment sleeve internal screw threads (6) are fine-toothed screw threads.
4. An adjustable hydraulic pressure pull Ma Dinggan as claimed in claim 1, characterized in that the thread provided on the outside of the adjusting sleeve mounting threaded rod (2) is a coarse thread.
5. The adjustable hydraulic power pull Ma Dinggan as claimed in claim 1, wherein the positioning rod (4) comprises an integrally provided positioning portion (401) and a transition portion (402); the positioning part (401) is of a cone structure, one end of the cone structure is a cone bottom surface, and the other end of the cone structure is a cone vertex; one end of the transition part (402) is integrally connected with the inner ejector rod (3), and the other end of the transition part (402) is integrally connected with the positioning part (401).
6. An adjustable hydraulic pressure pull Ma Dinggan as claimed in claim 1, characterized in that the positioning rod (4) is provided with a force application through hole (7).
7. An adjustable hydraulic pressure pull Ma Dinggan as claimed in claim 1, characterized in that the outer part of the inner carrier rod (3) is detachably provided with a fastening nut (8), the fastening nut (8) being located between the positioning rod (4) and the outer adjusting sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315143.2U CN220145823U (en) | 2023-05-26 | 2023-05-26 | Adjustable hydraulic pressure draws Ma Dinggan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321315143.2U CN220145823U (en) | 2023-05-26 | 2023-05-26 | Adjustable hydraulic pressure draws Ma Dinggan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220145823U true CN220145823U (en) | 2023-12-08 |
Family
ID=89014281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321315143.2U Active CN220145823U (en) | 2023-05-26 | 2023-05-26 | Adjustable hydraulic pressure draws Ma Dinggan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220145823U (en) |
-
2023
- 2023-05-26 CN CN202321315143.2U patent/CN220145823U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |