CN207326843U - A kind of reaction torque self-supporting hydraulic wrench - Google Patents
A kind of reaction torque self-supporting hydraulic wrench Download PDFInfo
- Publication number
- CN207326843U CN207326843U CN201721326781.9U CN201721326781U CN207326843U CN 207326843 U CN207326843 U CN 207326843U CN 201721326781 U CN201721326781 U CN 201721326781U CN 207326843 U CN207326843 U CN 207326843U
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- China
- Prior art keywords
- base plate
- reaction torque
- ratchet carriage
- carriage component
- lower base
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Abstract
The utility model discloses a kind of reaction torque self-supporting hydraulic wrench, mainly include hydraulic power unit, reaction torque support plate, upper base plate, lower base plate, pawl assembly, ratchet carriage component, torque transfer shaft and reaction torque mandrel, pawl assembly and ratchet carriage component are installed between upper base plate and lower base plate, in being connected, pawl assembly is connected with hydraulic power unit for pawl assembly and ratchet carriage component；Reaction torque support plate is connected with upper base plate or lower base plate in spline fitted, reaction torque core sleeve is in torque transfer shaft, one end of torque transfer shaft is sleeved in ratchet carriage component and is connected with ratchet carriage component in polygon, and the other end of torque transfer shaft is equipped with torsion head.The beneficial effects of the utility model are：It need not be the supporting point that hydraulic spanner separately sets counter-force arm during use；Utilize self structure condition, you can complete installation, the pretension of bolt of nut (dedicated split type stretching pre-load nut).
Description
Technical field
Spanner field is the utility model is related to, mainly a kind of reaction torque self-supporting hydraulic wrench.
Background technology
It is (general using reversing around workpiece that conventional hydraulic spanner in the course of work is both needed to be provided with counter-force arm supporting point
Fixed member is as counter-force arm supporting point), to reach the condition for reversing force.
Utility model content
The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a kind of reaction torque self-supporting hydraulic pressure
Torque spanner.
The purpose of this utility model is completed by following technical solution.This reaction torque self-supporting hydraulic pressure torsion is pulled
Hand, mainly including hydraulic power unit, reaction torque support plate, upper base plate, lower base plate, pawl assembly, ratchet carriage component,
Torque transfer shaft and reaction torque mandrel, pawl assembly and ratchet carriage component, spine are provided between upper base plate and lower base plate
In being connected, pawl assembly is connected with hydraulic power unit for claw assembly and ratchet carriage component；Reaction torque support plate with it is upper
Base plate or lower base plate are connected in spline fitted, and reaction torque core sleeve is in torque transfer shaft, one end of torque transfer shaft
It is sleeved in ratchet carriage component and is connected with ratchet carriage component in polygon, the other end of torque transfer shaft is equipped with moment of torsion
Head；The first external splines that one end of reaction torque mandrel is equipped with connects with the first internal spline in reaction torque support plate in spline fitted
Connect, the other end of reaction torque mandrel is equipped with reaction torque head, and the torsion head and reaction torque head use rectangular teeth or interior external splines
Structure.
The upper base plate is equipped with the second internal spline A, and lower base plate is equipped with the second internal spline B, reaction torque support
Plate is equipped with the second external splines, and the second external splines is connected with the second internal spline A or with the second internal spline B in spline fitted.
The reaction torque support plate is fixedly connected by safety pin with upper base plate or lower base plate.
Contiguous block A is equipped between the upper base plate and lower base plate and contiguous block B, upper base plate pass through contiguous block A
It is fixedly connected with contiguous block B with lower base plate.
Interior hexagon through hole is provided with the ratchet carriage component, one end of torque transfer shaft is sleeved on ratchet carriage group
In part and with the hexagonal connection of ratchet carriage component.
The beneficial effects of the utility model are：It need not be the supporting point that hydraulic spanner separately sets counter-force arm during use；Profit
With self structure condition, you can complete installation, the pretension of bolt of nut (dedicated split type stretching pre-load nut).
Brief description of the drawings
Fig. 1 is the main structure diagram of the utility model.
Fig. 2 is the overlooking the structure diagram of the utility model.
Fig. 3 is the axis side configuration schematic diagram of the utility model.
Description of reference numerals：Hydraulic power unit 1, reaction torque support plate 2, the first internal spline 2-1, the second external splines 2-2,
Upper base plate 3, the second internal spline A3-1, lower base plate 4, the second internal spline B4-1, pawl assembly 5, ratchet carriage component 6, is turned round
Square transmission axle 7, torsion head 7-1, reaction torque mandrel 8, reaction torque head 8-1, the first external splines 8-2, safety pin 9, contiguous block A10,
Contiguous block B11, torsional pin 12.
Embodiment
Detailed introduction is done to the utility model below in conjunction with attached drawing：
As shown in the figure, this reaction torque self-supporting hydraulic wrench, mainly includes hydraulic power unit 1, reaction torque branch
Fagging 2, upper base plate 3, lower base plate 4, pawl assembly 5, ratchet carriage component 6, torque transfer shaft 7 and reaction torque mandrel 8, on
Pawl assembly 5 and ratchet carriage component 6, the upper base plate 3 and lower basis are installed between base plate 3 and lower base plate 4
Contiguous block A10 is equipped between plate 4 and contiguous block B11, upper base plate 3 pass through contiguous block A10 and contiguous block B11 and lower base plate 4
It is fixedly connected.In being connected, pawl assembly 5 is connected with hydraulic power unit 1 for pawl assembly 5 and ratchet carriage component 6.
The reaction torque support plate 2 is fixedly connected by safety pin 9 with upper base plate 3 or lower base plate 4, reaction torque branch
Fagging 2 is connected with upper base plate 3 or lower base plate 4 in spline fitted, and concrete structure is：The upper base plate 3 is equipped with the
Two internal spline A3-1, lower base plate 4 are equipped with the second internal spline B4-1, and reaction torque support plate 2 is equipped with the second external splines 2-2,
Second external splines 2-2 is connected with the second internal spline A3-1 or with the second internal spline B4-1 in spline fitted.
The reaction torque mandrel 8 is sleeved in torque transfer shaft 7, and interior hexagon is provided with ratchet carriage component 6 and is led to
Hole, the ratchet carriage component 6 are equipped with kidney slot, and torsional pin 12 is installed in kidney slot.One end cap of torque transfer shaft 7
Moment of torsion is equipped with ratchet carriage component 6 and with the 6 hexagonal connection of ratchet carriage component, the other end of torque transfer shaft 7
Head 7-1；The first external splines 8-2 that one end of reaction torque mandrel 8 is equipped with is in the first internal spline 2-1 in reaction torque support plate 2
Spline fitted connects, and the other end of reaction torque mandrel 8 is equipped with reaction torque head 8-1.The torsion head 7-1 and reaction torque head 8-1
Using rectangular teeth or inside and outside spline structure, the rectangular teeth on workpiece is corresponded to respectively or outer internal spline coordinates.
2 convertible installation site of reverse torque support plate (can be installed on " upper base plate " or " lower base plate "), to realize
Pretension and the power and energy loosened.
It is understood that it will be understood by those skilled in the art that to the technical solution of the utility model and utility model structure
Think to be subject to equivalent substitution or change the scope of the claims that should all belong to appended by the utility model.
Claims (5)
- A kind of 1. reaction torque self-supporting hydraulic wrench, it is characterised in that：Mainly include hydraulic power unit (1), reaction torque Support plate (2), upper base plate (3), lower base plate (4), pawl assembly (5), ratchet carriage component (6), torque transfer shaft (7) and Reaction torque mandrel (8), pawl assembly (5) and ratchet carriage component (6) are provided between upper base plate (3) and lower base plate (4), In being connected, pawl assembly (5) is connected with hydraulic power unit (1) for pawl assembly (5) and ratchet carriage component (6)；Instead Torque support plate (2) is connected with upper base plate (3) or lower base plate (4) in spline fitted, and reaction torque mandrel (8) is sleeved on moment of torsion In transmission axle (7), one end of torque transfer shaft (7) is sleeved in ratchet carriage component (6) and with ratchet carriage component (6) in more Side shape connection, the other end of torque transfer shaft (7) are equipped with torsion head (7-1)；One end of reaction torque mandrel (8) be equipped with first outside Spline (8-2) is connected with the first internal spline (2-1) in reaction torque support plate (2) in spline fitted, reaction torque mandrel (8) it is another One end is equipped with reaction torque head (8-1), and the torsion head (7-1) and reaction torque head (8-1) use rectangular teeth or interior external splines knot Structure.
- 2. reaction torque self-supporting hydraulic wrench according to claim 1, it is characterised in that：The upper base plate (3) it is equipped with the second internal spline A (3-1), lower base plate (4) is equipped with the second internal spline B (4-1), in reaction torque support plate (2) Equipped with the second external splines (2-2), the second external splines (2-2) is with the second internal spline A (3-1) or with the second internal spline B (4-1) in flower Key is connected.
- 3. reaction torque self-supporting hydraulic wrench according to claim 2, it is characterised in that：The reaction torque support Plate (2) is fixedly connected by safety pin (9) with upper base plate (3) or lower base plate (4).
- 4. reaction torque self-supporting hydraulic wrench according to claim 1, it is characterised in that：The upper base plate (3) be equipped with contiguous block A (10) and contiguous block B (11) between lower base plate (4), upper base plate (3) by contiguous block A (10) and Contiguous block B (11) is fixedly connected with lower base plate (4).
- 5. reaction torque self-supporting hydraulic wrench according to claim 1, it is characterised in that：The ratchet carriage group Interior hexagon through hole is provided with part (6), one end of torque transfer shaft (7) is sleeved in ratchet carriage component (6) and and ratchet sleeve Cartridge module (6) hexagonal connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326781.9U CN207326843U (en) | 2017-10-16 | 2017-10-16 | A kind of reaction torque self-supporting hydraulic wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721326781.9U CN207326843U (en) | 2017-10-16 | 2017-10-16 | A kind of reaction torque self-supporting hydraulic wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207326843U true CN207326843U (en) | 2018-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721326781.9U Active CN207326843U (en) | 2017-10-16 | 2017-10-16 | A kind of reaction torque self-supporting hydraulic wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207326843U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942797A (en) * | 2018-09-21 | 2018-12-07 | 吴飞忠 | A kind of electric power overhaul tool for small space |
| CN110524468A (en) * | 2019-10-09 | 2019-12-03 | 长江大学 | A kind of ratchet-type hydraulic torque wrench |
-
2017
- 2017-10-16 CN CN201721326781.9U patent/CN207326843U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942797A (en) * | 2018-09-21 | 2018-12-07 | 吴飞忠 | A kind of electric power overhaul tool for small space |
| CN110524468A (en) * | 2019-10-09 | 2019-12-03 | 长江大学 | A kind of ratchet-type hydraulic torque wrench |
| CN110524468B (en) * | 2019-10-09 | 2024-04-30 | 长江大学 | Ratchet type hydraulic torque wrench |
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