CN210282089U

CN210282089U - Hydraulic wrench mechanism

Info

Publication number: CN210282089U
Application number: CN201921324590.8U
Authority: CN
Inventors: 吴昌书; 吕源源; 纪锐元; 秦岭
Original assignee: Xinjiang Haizhuang Wind Electricity Equipment Co ltd
Current assignee: Xinjiang Haizhuang Wind Electricity Equipment Co ltd
Priority date: 2019-08-15
Filing date: 2019-08-15
Publication date: 2020-04-10
Anticipated expiration: 2029-08-15

Abstract

The utility model particularly relates to a hydraulic wrench mechanism, which comprises a hydraulic torque wrench, wherein the side surface of the lower part of the hydraulic torque wrench is provided with a sealing ring and a reaction force arm, the outer side surface of the sealing ring is contacted with the reaction force arm, the middle part of the outer side surface of the reaction force arm is provided with a fixing ring, the right side of the fixing ring is fixedly connected with a fixing handle, the output end of the hydraulic torque wrench is provided with a sleeve adapter, the middle part of the sleeve adapter is provided with a strip-shaped limiting groove, the strip-shaped limiting groove is internally provided with a sleeve limiting pin, the lower part of the sleeve adapter is provided with a sleeve, and the upper part of the sleeve is sleeved with a spring, the injury of the reaction force to the staff is reduced, and the labor intensity of the staff during working is reduced.

Description

Hydraulic wrench mechanism

Technical Field

The utility model belongs to the technical field of a fastening spanner for fixing become oar bearing fastening bolt, in particular to hydraulic spanner mechanism.

Background

At present, because people's energy-saving consciousness is stronger and stronger, wind power generation is more and more accepted by all social circles, the demand of the wind power generator is larger and larger, wherein the fixing of a variable-pitch bearing in the wind power generator is still the technical problem which is continuously solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a hydraulic wrench mechanism.

The purpose of the utility model is realized like this: the utility model provides a hydraulic pressure spanner mechanism, includes hydraulic pressure moment spanner, hydraulic pressure moment spanner lower part side be provided with the sealing washer and the reaction arm of force, the sealing washer lateral surface contacts with the reaction arm of force, reaction arm of force lateral surface middle part is provided with the retainer plate, retainer plate right side fixedly connected with fixed handle, hydraulic pressure moment spanner's output is provided with the sleeve adapter, be provided with the bar spacing groove in the middle of the sleeve adapter, the bar spacing inslot is provided with the sleeve spacer pin, sleeve adapter lower part is provided with the sleeve, sleeve upper portion cover is equipped with the spring.

The sleeve adapter and the reaction force arm are in clearance fit.

The sleeve adapter upper portion be provided with horizontal spacing groove, be provided with the cylindric lock in the horizontal spacing groove.

The output end of the hydraulic torque wrench is provided with a round pin hole, and the cylindrical pin penetrates through the round pin hole and the transverse limiting groove.

The two ends of the spring are respectively connected with the sleeve and the sleeve adapter.

When the utility model is used, the staff holds the fixing handle to align the sleeve with the bolt without sleeving the bolt cap into the sleeve, the reaction force arm is fixed on the variable-pitch bearing through a fixing bolt, at the moment, the sleeve is pressed, the spring on the sleeve is compressed and contracted, the sleeve moves upwards, the fixed handle is held by hand to assist the hydraulic wrench, the hydraulic wrench is opened, when the sleeve rotates, the inner hole of the sleeve is aligned with the bolt cap, the sleeve is sleeved with the bolt cap under the action of the elastic force of the spring, the bolt rotates along with the sleeve, the sleeve automatically sleeves the bolt through rotation, manual operation of workers is avoided, the sleeving time is reduced, the labor intensity of the workers is reduced, the reaction force generated in the working process of the hydraulic wrench is transmitted to the variable-pitch bearing through the reaction force arm and weakened, the injury of the reaction force to workers is reduced, and the labor intensity of the workers during working is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the utility model.

Fig. 2 is a cross-sectional view of the sleeve of the utility model.

Detailed Description

Embodiment 1, as shown in fig. 1 and 2, a hydraulic wrench mechanism includes a hydraulic torque wrench 1, the hydraulic torque wrench 1 is preferably a jinboshi MXTH hydraulic torque wrench, a sealing ring 4 and a reaction force arm 2 are disposed on a side surface of a lower portion of the hydraulic torque wrench 1, a bolt hole is disposed on a right side of the reaction force arm 2, the reaction force arm 2 is fixed on a pitch bearing by a fixing bolt 18, the reaction force arm 2 can eliminate a reaction force generated when the hydraulic torque wrench 1 works, a left side surface of the reaction force arm 2 is connected with the hydraulic torque wrench 1 by a first fastening bolt 7, an upper portion of a right side of the reaction force arm 2 is connected with the hydraulic torque wrench 1 by a second fastening bolt 8, an outer side surface of the sealing ring 4 is in contact with the reaction force arm 2, a fixing ring 3 is disposed in a middle portion of an outer side surface of the reaction force arm 2, a left side of the fixing ring, the right side of the fixed ring 3 is connected with the reaction force arm 2 through a fastening bolt four 12, the right side of the fixed ring 3 is fixedly connected with a fixed handle 17, the fixed handle 17 is convenient for workers to hold a hydraulic wrench mechanism, the workers can more easily operate by holding the fixed handle 17 in a hand when the hydraulic wrench mechanism is used, the output end of the hydraulic torque wrench 1 is provided with a sleeve adapter 5, the sleeve adapter 5 is in clearance fit with the reaction force arm 2, and the sleeve adapter 5 can rotate in the reaction force arm 2; the upper part of the sleeve adapter 5 is provided with a transverse limiting groove 6, a cylindrical pin 10 is arranged in the transverse limiting groove 6, the output end of the hydraulic torque wrench 1 is provided with a circular pin hole 9, the cylindrical pin 10 penetrates through the circular pin hole 9 and the transverse limiting groove 6, the transverse limiting groove 6 and the circular pin hole 9 in the sleeve adapter 5 are positioned in the same axial diameter during assembly, the cylindrical pin 10 penetrates through the transverse limiting groove 6 and the circular pin hole 9, and the sleeve adapter 5 can be prevented from sliding during work; a strip-shaped limiting groove 16 is arranged in the middle of the sleeve adapter 5, a sleeve limiting pin 15 is arranged in the strip-shaped limiting groove 16, the sleeve limiting pin 15 is in clearance fit with the strip-shaped limiting groove 16, the sleeve limiting pin 15 can slide up and down in the strip-shaped limiting groove 16, a sleeve 14 is arranged at the lower part of the sleeve adapter 5, a limiting pin hole 20 is arranged at the upper part of the sleeve 14, the sleeve limiting pin 15 penetrates through the limiting pin hole 20, the sleeve limiting pin 15 is in interference fit with the limiting pin hole 20, a spring 13 is sleeved at the upper part of the sleeve 14, and two ends of the spring 13 are respectively connected with the, when the sleeve 14 is pressed upward, the spring 13 contracts, the sleeve 14 moves upward, the sleeve stopper pin 15 moves upward in the strip stopper groove 16, when the upward pressure on the sleeve 14 is removed, the sleeve 14 is moved downward by the elastic force of the spring 13, and the sleeve stopper pin 15 is moved downward in the strip stopper groove 16.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a hydraulic wrench mechanism, includes hydraulic pressure moment spanner, its characterized in that: hydraulic pressure moment spanner (1) lower part side be provided with sealing washer (4) and the reaction arm of force (2), sealing washer (4) lateral surface and the contact of reaction arm of force (2), reaction arm of force (2) lateral surface middle part is provided with retainer plate (3), retainer plate (3) right side fixedly connected with fixed handle (17), the output of hydraulic pressure moment spanner (1) is provided with sleeve adapter (5), be provided with bar spacing groove (16) in the middle of sleeve adapter (5), be provided with sleeve spacer pin (15) in bar spacing groove (16), sleeve adapter (5) lower part is provided with sleeve (14), sleeve (14) upper portion cover is equipped with spring (13).

2. A hydraulic wrench mechanism as claimed in claim 1, in which: the sleeve adapter (5) is in clearance fit with the reaction force arm (2).

3. A hydraulic wrench mechanism as claimed in claim 1, in which: the sleeve adapter is characterized in that a transverse limiting groove (6) is formed in the upper portion of the sleeve adapter (5), and a cylindrical pin (10) is arranged in the transverse limiting groove (6).

4. A hydraulic wrench mechanism as claimed in claim 1, in which: the hydraulic torque wrench is characterized in that a round pin hole (9) is formed in the output end of the hydraulic torque wrench (1), and a cylindrical pin (10) penetrates through the round pin hole (9) and the transverse limiting groove (6).

5. A hydraulic wrench mechanism as claimed in claim 1, in which: and two ends of the spring (13) are respectively connected with the sleeve (14) and the sleeve adapter (5).