CN219726032U

CN219726032U - Ultra-large hollow hydraulic wrench

Info

Publication number: CN219726032U
Application number: CN202321198626.9U
Authority: CN
Inventors: 张惠忠; 张鹏
Original assignee: Shenyang Jieke Power Machinery Equipment Co ltd
Current assignee: Shenyang Jieke Power Machinery Equipment Co ltd
Priority date: 2023-05-18
Filing date: 2023-05-18
Publication date: 2023-09-22
Anticipated expiration: 2033-05-18

Abstract

The utility model relates to an ultra-large hollow hydraulic wrench, which comprises a wrench main machine, wherein a hydraulic piston is fixed between the inner top wall and the inner bottom wall of the wrench main machine, a connecting plate is fixed on the outer side of an output shaft of the hydraulic piston, a maintenance mechanism for facilitating maintenance and use of a spring is arranged on the right side of the connecting plate, a ratchet wheel assembly is fixed on the inner peripheral wall of the wrench main machine, and an adjusting mechanism for facilitating adjustment and use of reaction force is arranged on the right side of the wrench main machine. This ultra-large hollow hydraulic wrench through having set up maintenance mechanism, through mutually supporting between spread groove, reset spring, pawl and fixed plate and the fixing bolt etc. can be when reset spring elasticity inefficacy is maintained, and fixed plate and link pull out reset spring from the spread groove and carry out quick replacement, insert reset spring to link and pawl in utilize fixed plate and fixing bolt to fix reset spring in the spread groove and use, improve maintenance efficiency.

Description

Ultra-large hollow hydraulic wrench

Technical Field

The utility model relates to the technical field of hydraulic wrenches, in particular to an ultra-large hollow hydraulic wrench.

Background

The hydraulic wrench is a bolt fastening tool capable of outputting and setting torque, belongs to a high-pressure hydraulic tool, is widely applied to equipment overhaul and installation in multiple heavy industrial fields, and is provided with a driving shaft and a hollow type, and in the actual working process, bolts are fastened by manpower due to the limitation of working space to achieve the required requirement, the bolts are loosened by manpower, the fastening torque is uneven, the labor intensity is high, and the efficiency is high.

The ultra-thin hollow hydraulic wrench disclosed in Chinese patent publication No. (CN 213970913U) comprises a ratchet wheel, the ratchet wheel is meshed with a pawl, the pawl is connected with the middle part of a driving plate through a compression spring, the upper part of the driving plate is connected with an oil cylinder through a piston component, and the oil cylinder is connected with an oil way component.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an ultra-large hollow hydraulic wrench which has the advantages of convenient maintenance and the like, and solves the problem that the pawl spring is inconvenient to quickly disassemble, assemble and maintain in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the ultra-large hollow hydraulic wrench comprises a wrench main machine, wherein a hydraulic piston is fixed between the inner top wall and the inner bottom wall of the wrench main machine, a connecting plate is fixed on the outer side of an output shaft of the hydraulic piston, a maintenance mechanism for facilitating maintenance and use of a spring is arranged on the right side of the connecting plate, a ratchet wheel assembly is fixed on the inner peripheral wall of the wrench main machine, and an adjusting mechanism for facilitating adjustment and use of reaction force is arranged on the right side of the wrench main machine;

the maintenance mechanism comprises a connecting groove formed in the right side of the connecting plate, a connecting frame is inserted into the inner peripheral wall of the connecting groove in a sliding mode, a reset spring is inserted between the inner top wall and the inner bottom wall of the connecting frame in a sliding mode, and a pawl is clamped on the right side of the reset spring.

Further, a sleeve is fixed on the inner peripheral wall of the ratchet assembly, and the pawl is in meshed connection with the ratchet assembly.

Further, the shape of the connecting frame is U-shaped, and the length of the connecting frame is equal to the depth of the inner cavity of the connecting groove.

Further, the front of link is fixed with the fixed plate, the fixed orifices has all been seted up to the fixed plate and the opposite one side of connecting plate, two the inner peripheral wall threaded connection of fixed orifices has fixing bolt.

Further, adjustment mechanism is including seting up the rotary groove on spanner host computer right side, the spacing groove has been seted up to the left side inner wall in rotary groove, the inner peripheral wall in spacing groove rotates and is connected with the carousel, the right side of carousel is fixed with the pivot, the surface mounting of pivot has the adjustment sleeve, the right side of adjustment sleeve is fixed with the reaction arm of force.

Further, the internal diameter of spacing groove is greater than the internal diameter of rotating the groove, the length of pivot is greater than the degree of depth of rotating the groove, and the external diameter of pivot and the internal diameter looks adaptation of rotating the groove.

Further, an adjusting hole is formed in the outer surface of the adjusting sleeve, and an adjusting bolt is connected with the inner peripheral wall of the adjusting hole in a threaded mode.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this ultra-large hollow hydraulic wrench through having set up maintenance mechanism, through mutually supporting between spread groove, connecting frame, reset spring, pawl and fixed plate and fixing bolt etc. can utilize fixed plate and link to draw out reset spring from the spread groove and carry out quick replacement to reset spring when reset spring elastic failure maintains, and use reset spring is fixed in the spread groove with fixed plate and fixing bolt in inserting the link to reset spring and the pawl when installation reset spring, improves maintenance efficiency.

2. This ultra-large hollow hydraulic wrench through having set up adjustment mechanism, through mutually supporting between rotating groove, spacing groove, carousel, pivot and adjusting sleeve and reaction arm of force etc. can drive adjusting sleeve and pivot through rotating reaction arm of force and rotate in rotating groove and drive reaction arm of force and carry out three hundred sixty degrees rotations, make things convenient for the reaction arm of force to support with the help of the multiple spot position that can conveniently support on the equipment, the pivot rotation is spacing to avoid reaction arm of force to drop by the carousel simultaneously to screw up the butt spanner host computer through adjusting bolt and fix reaction arm of force's position after adjusting reaction arm of force position, place and rock the influence supporting effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a maintenance mechanism of the present utility model;

FIG. 3 is a schematic view of an adjustment mechanism according to the present utility model.

In the figure: the wrench comprises a wrench host, a hydraulic piston 2, a connecting plate 3, a maintenance mechanism 4, a connecting groove 401, a connecting frame 402, a reset spring 403, a pawl 404, a fixing plate 405, a fixing hole 406, a fixing bolt 407, a ratchet wheel assembly 5, an adjusting mechanism 6, a rotating groove 601, a limiting groove 602, a rotating disc 603, a rotating shaft 604, an adjusting sleeve 605, a reaction force arm 606 and an adjusting bolt 607.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the oversized hollow hydraulic wrench in this embodiment includes a wrench main unit 1, a hydraulic piston 2 is fixed between an inner top wall and an inner bottom wall of the wrench main unit 1, a connecting plate 3 is fixed on an outer side of an output shaft of the hydraulic piston 2, a maintenance mechanism 4 for facilitating maintenance and use of springs is arranged on a right side of the connecting plate 3, a ratchet assembly 5 is fixed on an inner peripheral wall of the wrench main unit 1, an adjusting mechanism 6 for facilitating adjustment and use of reaction force is arranged on a right side of the wrench main unit 1, the oversized hollow hydraulic wrench is named as oversized, and is far exceeding an existing torque index in a current hydraulic wrench field, torque reaches 142000n.m, and is oversized, a sleeve mounting interface is formed, sleeve heads of different specifications are conveniently replaced to meet use of bolts and nuts of various specifications and sizes, and output torque is continuous provided by adjusting a hydraulic pump.

Referring to fig. 2, in order to perform quick maintenance and replacement of the return spring 403 in the hydraulic wrench, the maintenance mechanism 4 in this embodiment includes a connecting slot 401 provided on the right side of the connecting plate 3, a connecting frame 402 slidably inserted into an inner peripheral wall of the connecting slot 401, a return spring 403 slidably inserted between an inner top wall and an inner bottom wall of the connecting frame 402, and a pawl 404 clamped on the right side of the return spring 403, where the return spring 403 is pulled out from the connecting slot 401 by using a fixing plate 405 and the connecting frame 402 to perform quick replacement of the return spring 403 when the return spring 403 fails to perform elastic maintenance.

In this embodiment, the inner peripheral wall of ratchet subassembly 5 is fixed with the sleeve, pawl 404 and ratchet subassembly 5 meshing are connected, and the shape of link 402 is the U-shaped, and the length of link 402 equals with the degree of depth of spread groove 401 inner chamber, and the front of link 402 is fixed with fixed plate 405, and fixed plate 405 has all seted up fixed orifices 406 with the relative one side of connecting plate 3, and the inner peripheral wall threaded connection of two fixed orifices 406 has fixing bolt 407, uses fixed plate 405 and fixing bolt 407 with reset spring 403 fixed in link 401 in the fixed plate 405 with the fixed bolt 407 in pegging graft reset spring 403 to link 402 and pawl 404 when installing reset spring 403, improves maintenance efficiency.

Referring to fig. 3, in order to adjust the reaction force of the hydraulic wrench, the adjusting mechanism 6 in this embodiment includes a rotating groove 601 formed on the right side of the wrench host 1, a limiting groove 602 is formed on the left inner wall of the rotating groove 601, a turntable 603 is rotatably connected to the inner peripheral wall of the limiting groove 602, the rotating shaft 604 is rotated by the turntable 603 to avoid the falling of the reaction force arm 606, a rotating shaft 604 is fixed on the right side of the turntable 603, an adjusting sleeve 605 is fixed on the outer surface of the rotating shaft 604, the right side of the adjusting sleeve 605 is fixed with the reaction force arm 606, the adjusting sleeve 605 and the rotating shaft 604 are driven to rotate in the rotating groove 601 through the rotation reaction force arm 606 to drive the reaction force arm 606 to rotate by three hundred sixty degrees, and the reaction force arm 606 is convenient to support by means of a plurality of points on the device.

In this embodiment, the internal diameter of the limiting groove 602 is greater than the internal diameter of the rotating groove 601, the length of the rotating shaft 604 is greater than the depth of the rotating groove 601, the external diameter of the rotating shaft 604 is matched with the internal diameter of the rotating groove 601, the outer surface of the adjusting sleeve 605 is provided with an adjusting hole, the inner peripheral wall of the adjusting hole is in threaded connection with an adjusting bolt 607, and after the position of the reaction force arm 606 is adjusted, the position of the reaction force arm 606 is fixed by screwing the adjusting bolt 607 and abutting against the wrench host 1, and the shaking effect is affected by placing.

The working principle of the embodiment is as follows:

(1) When the reset spring 403 in the hydraulic wrench is quickly maintained and replaced, the reset spring 403 is quickly replaced by pulling the reset spring 403 out of the connecting groove 401 by the fixing plate 405 and the connecting frame 402 during the elastic failure maintenance of the reset spring 403, and the reset spring 403 is inserted into the connecting frame 402 and the pawl 404 by the fixing plate 405 and the fixing bolt 407 during the installation of the reset spring 403, so that the reset spring 403 is fixed in the connecting groove 401 for use, and the maintenance efficiency is improved.

(2) When the reaction force of the hydraulic wrench is adjusted and used, the reaction force arm 606 is rotated in the rotating groove 601 through rotating the reaction force arm 606 to drive the reaction force arm 606 to rotate by three hundred sixty degrees, the reaction force arm 606 is conveniently supported by means of the multipoint position on equipment, the reaction force arm 606 is prevented from falling off due to the fact that the rotating shaft 604 rotates and is limited by the turntable 603, the position of the reaction force arm 606 is fixed by screwing the adjusting bolt 607 to be abutted against the wrench host 1 after the position of the reaction force arm 606 is adjusted, and the shaking effect is influenced by the placement.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

If this patent discloses or relates to components or structures that are fixedly connected to each other, then unless otherwise stated, the fixed connection is understood as: detachably fixed connection (e.g. using bolts or screws) can also be understood as: the non-detachable fixed connection (e.g. riveting, welding), of course, the mutual fixed connection may also be replaced by an integral structure (e.g. integrally formed using a casting process) (except for obviously being unable to use an integral forming process).

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oversized cavity formula hydraulic spanner, includes spanner host computer (1), its characterized in that: a hydraulic piston (2) is fixed between the inner top wall and the inner bottom wall of the wrench host machine (1), a connecting plate (3) is fixed on the outer side of an output shaft of the hydraulic piston (2), a maintenance mechanism (4) for facilitating maintenance and use of a spring is arranged on the right side of the connecting plate (3), a ratchet wheel assembly (5) is fixed on the inner peripheral wall of the wrench host machine (1), and an adjusting mechanism (6) for facilitating adjustment of reaction force is arranged on the right side of the wrench host machine (1);

the maintenance mechanism (4) comprises a connecting groove (401) formed in the right side of the connecting plate (3), a connecting frame (402) is connected with the inner peripheral wall of the connecting groove (401) in a sliding mode, a reset spring (403) is connected between the inner top wall and the inner bottom wall of the connecting frame (402) in a sliding mode, and a pawl (404) is connected with the right side of the reset spring (403) in a clamping mode.

2. The oversized hollow hydraulic wrench of claim 1, wherein: the inner peripheral wall of the ratchet wheel component (5) is fixedly provided with a sleeve, and the pawl (404) is connected with the ratchet wheel component (5) in a meshed mode.

3. The oversized hollow hydraulic wrench of claim 1, wherein: the connecting frame (402) is U-shaped, and the length of the connecting frame (402) is equal to the depth of the inner cavity of the connecting groove (401).

4. The oversized hollow hydraulic wrench of claim 1, wherein: the front of link (402) is fixed with fixed plate (405), fixed hole (406) have all been seted up to fixed plate (405) and the opposite one side of connecting plate (3), two the inner peripheral wall threaded connection of fixed hole (406) has fixing bolt (407).

5. The oversized hollow hydraulic wrench of claim 1, wherein: the adjusting mechanism (6) comprises a rotating groove (601) formed in the right side of the wrench host machine (1), a limiting groove (602) is formed in the left side inner wall of the rotating groove (601), a rotary table (603) is rotatably connected with the inner peripheral wall of the limiting groove (602), a rotary shaft (604) is fixed on the right side of the rotary table (603), an adjusting sleeve (605) is fixed on the outer surface of the rotary shaft (604), and a reaction force arm (606) is fixed on the right side of the adjusting sleeve (605).

6. The oversized hollow hydraulic wrench of claim 5, wherein: the inner diameter of the limiting groove (602) is larger than the inner diameter of the rotating groove (601), the length of the rotating shaft (604) is larger than the depth of the rotating groove (601), and the outer diameter of the rotating shaft (604) is matched with the inner diameter of the rotating groove (601).

7. The oversized hollow hydraulic wrench of claim 5, wherein: an adjusting hole is formed in the outer surface of the adjusting sleeve (605), and an adjusting bolt (607) is connected to the inner peripheral wall of the adjusting hole in a threaded mode.