CN212071753U - Hydraulic torque wrench with high stability - Google Patents

Abstract

The utility model discloses a strong hydraulic torque wrench of stability, including fixed casing, the inboard rotation of fixed casing is connected with the transmission screw thread axle, one side fixedly connected with rotation post of fixed casing is kept away from to the transmission screw thread axle, fixed casing is close to one side fixedly connected with sealing boot who rotates the post. The utility model discloses in, according to the big or small specification of the bolt that needs were pulled, through twisting each adjusting handle in proper order, make adjusting handle correspondingly drive the threaded rod and rotate, thereby make the threaded rod shift over to the inboard of rotating the cover gradually, the threaded rod also drives fixed chuck and shifts out the spacing groove gradually simultaneously, meanwhile, spacing slide bar also removes towards the inboard of rotating the cover along with fixed chuck, all tightly laminate with the lateral wall of bolt until each fixed chuck, thereby make the device can use the rotation with the bolt or the nut of multiple not big or small specification, and then the inconvenience when having avoided function staff to carry has still reduced user's use cost simultaneously.

Description

Hydraulic torque wrench with high stability

Technical Field

The utility model relates to a hydraulic pressure torque wrench technical field especially relates to a strong hydraulic pressure torque wrench of stability.

Background

The hydraulic torque wrench is generally a bolt fastening tool capable of outputting and setting torque, belongs to a high-pressure hydraulic tool, is widely applied to equipment maintenance and installation in multiple industrial fields, and comprises a driving shaft and a hollow type;

at present, the existing hydraulic torque wrench has the problem that the size of a clamping block on the inner side of the wrench cannot be adjusted according to a bolt or a nut required to be screwed, so that the wrench with one specification can only be used for screwing the nut or the bolt with the corresponding specification, and the wrenches with multiple specifications are required to be prepared if the nuts or the bolts with multiple specifications are required to be screwed, so that the hydraulic torque wrench is not convenient to carry and the use cost of a user is greatly increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a hydraulic torque wrench with strong stability.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a hydraulic torque wrench with strong stability comprises a fixed shell, a transmission threaded shaft is rotatably connected on the inner side of the fixed shell, one side of the transmission threaded shaft, which is far away from the fixed shell, is fixedly connected with a rotating column, one side of the fixed shell, which is close to the rotating column, is fixedly connected with a sealing cover, the sealing cover is rotationally connected with the rotating column, the inner side of the sealing cover is rotationally connected with a transmission impeller, the transmission impeller is fixedly connected with the rotating column, the inner side of the fixed shell is rotatably connected with a transmission gear, the transmission gear is meshed with the transmission threaded shaft, the bottom side of the fixed shell is provided with a rotating cover, a plurality of spacing grooves have evenly been seted up to the inboard of rotating the cover, and is a plurality of the spacing groove all imbeds and is connected with fixed chuck, and is a plurality of fixed chuck all rotates and is connected with the threaded rod, and the threaded rod all with rotate between the cover threaded connection.

As a further description of the above technical solution:

the lateral wall of sealed cowling is provided with first hydraulic oil joint and second hydraulic oil joint respectively.

As a further description of the above technical solution:

and a sealing rubber ring is arranged on the inner bottom side of the transmission impeller.

As a further description of the above technical solution:

and an oil supply port is fixedly connected to one side of the outer side wall of the fixed shell, which is far away from the sealing cover.

As a further description of the above technical solution:

a plurality of fixed chuck is close to the equal fixedly connected with limit slide bar in one side of threaded rod, and imbeds sliding connection between limit slide bar and the rotation cover.

As a further description of the above technical solution:

and a plurality of threaded rods are fixedly connected with adjusting hand wheels at the ends far away from the fixed chuck.

The utility model discloses following beneficial effect has:

1. this hydraulic torque wrench that stability is strong, according to the big or small specification of the bolt that needs were pulled, through twisting each adjusting hand wheel in proper order, make adjusting hand wheel drive the threaded rod correspondingly and rotate, thereby make the threaded rod shift over to the inboard of rotating the cover gradually, the threaded rod also drives fixed chuck and shifts out the spacing groove gradually simultaneously, meanwhile, spacing slide bar also along with fixed chuck is towards the inboard removal of rotating the cover, until each fixed chuck all tightly laminate with the lateral wall of bolt, thereby make the device can use the rotation with the bolt or the nut of multiple not equidimension specification, and then the inconvenience when having avoided function staff to carry has still reduced user's use cost simultaneously.

2. The hydraulic torque wrench with high stability fixes a fixed shell to avoid shaking and rotating the fixed shell when a bolt is pulled, then an oil supply pipe and an oil return pipe of an oil pump are respectively connected to a first hydraulic oil joint and a second hydraulic oil joint, when a rotating cover needs to be reversed, the first hydraulic oil joint and the second hydraulic oil joint are respectively changed into the oil return pipe and the oil supply pipe, then hydraulic oil is supplied through the inner side of a sealing cover of the oil pump to drive a transmission impeller to rotate, the transmission impeller drives a transmission threaded shaft on the inner side of the fixed shell to rotate through a rotating column when rotating, and the transmission threaded shaft correspondingly drives a transmission gear to rotate when rotating, so that the transmission gear drives the rotating cover to rotate, and the bolt is easily pulled.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the rotating cover of the present invention;

fig. 3 is a schematic structural view of the sealing cover of the present invention.

Illustration of the drawings: 1. a stationary housing; 2. a drive threaded shaft; 3. rotating the column; 4. a sealing cover; 5. a drive impeller; 6. a first hydraulic oil joint; 7. a limiting slide bar; 8. a second hydraulic fitting; 9. adjusting a hand wheel; 10. sealing the rubber ring; 11. a threaded rod; 12. an oil supply port; 13. a transmission gear; 14. a rotating cover; 15. a limiting groove; 16. and fixing the chuck.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: a hydraulic torque wrench with strong stability comprises a fixed shell 1, a transmission threaded shaft 2 is rotatably connected on the inner side of the fixed shell 1, a rotating column 3 is fixedly connected on one side of the transmission threaded shaft 2 far away from the fixed shell 1, a sealing cover 4 is fixedly connected on one side of the fixed shell 1 close to the rotating column 3, the sealing cover 4 is rotationally connected with the rotating column 3, the inner side of the sealing cover 4 is rotationally connected with a transmission impeller 5, and the transmission impeller 5 is fixedly connected with the rotating column 3, the inner side of the fixed shell 1 is rotatably connected with a transmission gear 13, and the transmission gear 13 is engaged with the transmission threaded shaft 2, the bottom side of the fixed shell 1 is provided with a rotating cover 14, the inner side of the rotating cover 14 is uniformly provided with a plurality of limiting grooves 15, the limiting grooves 15 are all embedded and connected with fixed chucks 16, the fixed chucks 16 are all rotatably connected with a threaded rod 11, and the threaded rod 11 is all in threaded connection with the rotating cover 14.

The outer side wall of the sealing cover 4 is respectively provided with a first hydraulic oil joint 6 and a second hydraulic oil joint 8, so that oil can be conveniently supplied to the inner side of the sealing cover 4, and the transmission impeller 5 can rotate; a sealing rubber ring 10 is arranged on the inner bottom side of the transmission impeller 5, so that the situation of oil leakage of the sealing cover 4 is avoided; an oil supply port 12 is fixedly connected to one side, away from the sealing cover 4, of the outer side wall of the fixed shell 1, so that lubricating oil can be conveniently added into the fixed shell 1; one side of each fixed chuck 16, which is close to the threaded rod 11, is fixedly connected with a limiting slide rod 7, and the limiting slide rods 7 are in embedded sliding connection with the rotating cover 14, so that the fixed chucks 16 are limited and fixed conveniently; and one ends of the threaded rods 11, which are far away from the fixed chuck 16, are fixedly connected with adjusting hand wheels 9, so that the rotation of the threaded rods 11 can be conveniently adjusted, and the position of the fixed chuck 16 can be adjusted.

The working principle is as follows: when a hydraulic torque wrench with strong stability is used, according to the size specification of a bolt required to be wrenched, each adjusting hand wheel 9 is sequentially twisted, the adjusting hand wheels 9 correspondingly drive the threaded rod 11 to rotate, so that the threaded rod 11 gradually rotates to the inner side of the rotating cover 14, meanwhile, the threaded rod 11 also drives the fixed chuck 16 to gradually move out of the limiting groove 15, meanwhile, the limiting slide rod 7 also moves towards the inner side of the rotating cover 14 along with the fixed chuck 16 until each fixed chuck 16 is tightly attached to the outer side wall of the bolt, so that the device can be used for rotating bolts or nuts with various sizes and specifications, further, inconvenience in carrying of functional workers is avoided, the use cost of a user is reduced, then, the fixed shell 1 is fixed to avoid the situation that the fixed shell 1 shakes and rotates when the bolt is wrenched, and then an oil supply pipe and an oil return pipe of an oil pump are respectively connected to the first hydraulic connector 6 and the second hydraulic connector 8 Pipe, when needs make rotate the cover 14 reversal, only need with first hydraulic oil joint 6 and second hydraulic oil joint 8 change over to respectively return oil pipe and supply oil pipe can, the inboard fuel feeding through the sealed cowling 4 of oil pump makes hydraulic oil drive transmission impeller 5 rotate after that, drive impeller 5 rotates simultaneously through rotating post 3 and drive the inboard transmission threaded shaft 2 rotation of fixed casing 1, transmission threaded shaft 2 correspondingly drives drive gear 13 when rotating and rotates, thereby make drive gear 13 drive and rotate cover 14 and rotate, and then easily accomplish pulling to the bolt, there is certain practicality.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims (6)

1. The utility model provides a strong hydraulic torque wrench of stability, includes fixed casing (1), its characterized in that: the inner side of the fixed shell (1) is rotatably connected with a transmission threaded shaft (2), one side of the transmission threaded shaft (2) far away from the fixed shell (1) is fixedly connected with a rotating column (3), one side of the fixed shell (1) close to the rotating column (3) is fixedly connected with a sealing cover (4), the sealing cover (4) is rotatably connected with the rotating column (3), the inner side of the sealing cover (4) is rotatably connected with a transmission impeller (5), the transmission impeller (5) is fixedly connected with the rotating column (3), the inner side of the fixed shell (1) is rotatably connected with a transmission gear (13), the transmission gear (13) is meshed with the transmission threaded shaft (2), the bottom side of the fixed shell (1) is provided with a rotating cover (14), the inner side of the rotating cover (14) is uniformly provided with a plurality of limiting grooves (15), and the plurality of limiting grooves (15) are embedded and connected with a fixed chuck (16), the fixed chucks (16) are all rotatably connected with threaded rods (11), and the threaded rods (11) are all in threaded connection with the rotating covers (14).

2. A strong stability hydraulic torque wrench as claimed in claim 1, wherein: the outer side wall of the sealing cover (4) is provided with a first hydraulic oil joint (6) and a second hydraulic oil joint (8) respectively.

3. A strong stability hydraulic torque wrench as claimed in claim 1, wherein: and a sealing rubber ring (10) is arranged on the inner bottom side of the transmission impeller (5).

4. A strong stability hydraulic torque wrench as claimed in claim 1, wherein: and an oil supply port (12) is fixedly connected to one side, far away from the sealing cover (4), of the outer side wall of the fixed shell (1).

5. A strong stability hydraulic torque wrench as claimed in claim 1, wherein: and one side of each fixed chuck (16) close to the threaded rod (11) is fixedly connected with a limiting slide rod (7), and the limiting slide rods (7) are in embedded sliding connection with the rotating cover (14).

6. A strong stability hydraulic torque wrench as claimed in claim 1, wherein: and one end of the threaded rod (11) far away from the fixed chuck (16) is fixedly connected with an adjusting hand wheel (9).

Images