CN219819534U

CN219819534U - Hydraulic wrench with fixed structure

Info

Publication number: CN219819534U
Application number: CN202321066068.0U
Authority: CN
Inventors: 李炳俊; 卢云
Original assignee: Jiangsu Hualong Machinery Manufacturing Co ltd
Current assignee: Jiangsu Hualong Machinery Manufacturing Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-10-13
Anticipated expiration: 2033-05-06

Abstract

The utility model discloses a hydraulic wrench with a fixed structure, which comprises: main part, clamping assembly and spacing winding mechanism, the main part includes spanner body, one-level link and cable wire, spanner body has the reaction arm of force, it has the trompil to open on this reaction arm of force, one-level link wears to establish in this trompil, cable wire and one-level link fixed connection, clamping assembly includes C shape frame, screw rod and second grade link, screw rod and C shape frame threaded connection, the connecting hole has been opened to C shape frame cooperation second grade link, the second grade link wears to establish in this connecting hole, the cable wire is kept away from one end and the second grade link fixed connection of one-level link, spacing winding mechanism sets up between one-level link and cable wire, it is used for rolling cable wire and then adjusts one-level link and second grade link interval, its beneficial effect is: through setting up clamping component and spacing winding mechanism cooperation reaction arm of force, accessible cable wire is taut to it when reaction arm of force can't touch the shelter from the thing, makes it can normally provide reaction force for the spanner body.

Description

Hydraulic wrench with fixed structure

Technical Field

The utility model relates to the technical field of hydraulic wrenches, in particular to a hydraulic wrench with a fixing structure.

Background

Hydraulic wrenches are hydraulically driven bolt tightening tools, also known as hydraulic torque wrenches, which are used to tighten or loosen various types of bolts, primarily by providing a high torque output.

The current common hydraulic spanner mainly comprises a hydraulic mechanism, a spanner body and a reaction force arm, wherein the reaction force arm is mainly used for fixing the angle of the spanner body by matching with a shielding object in the use process of the hydraulic spanner, and provides reaction force for the spanner body so as to ensure that the spanner body can tighten or loosen a bolt, but because the length of the reaction force arm is shorter, the situation that the shielding object cannot be touched easily occurs when the hydraulic spanner is used, so that the hydraulic spanner cannot play a role, and has an improvement space.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model.

The utility model is provided in view of the problem that the existing hydraulic wrench is unable to act due to the fact that the length of a reaction force arm is short and a shielding object is easily inaccessible during use.

Therefore, the utility model aims to provide a hydraulic wrench with a fixed structure, which is used for solving the problems that the length of a reaction force arm of the existing hydraulic wrench is short, and a shielding object is easy to be inaccessible during use, so that the existing hydraulic wrench cannot function.

In order to solve the technical problems, the utility model provides the following technical scheme: a hydraulic wrench with a fixed structure, comprising:

the main body comprises a wrench body, a primary hanging ring and a steel cable, wherein the wrench body is provided with a reaction force arm, an opening is formed in the reaction force arm, the primary hanging ring is arranged in the opening in a penetrating mode, and the steel cable is fixedly connected with the primary hanging ring;

the clamping assembly comprises a C-shaped frame, a screw rod and a secondary hanging ring, wherein the screw rod is in threaded connection with the C-shaped frame and extends into an opening of the C-shaped frame through the side wall of the C-shaped frame, the C-shaped frame is matched with the secondary hanging ring to form a connecting hole, the secondary hanging ring is arranged in the connecting hole in a penetrating manner, and one end of the steel cable, which is far away from the primary hanging ring, is fixedly connected with the secondary hanging ring;

the limiting winding mechanism is arranged between the primary hanging ring and the steel cable and is used for winding the steel cable so as to adjust the distance between the primary hanging ring and the secondary hanging ring.

As a preferred embodiment of the hydraulic wrench with a fixing structure according to the present utility model, wherein: the limiting winding mechanism comprises a winding roller, a connecting cylinder, limiting ring plates and limiting pins, wherein the middle of a steel cable is fixedly connected with the inner side of the roller body of the winding roller, the connecting cylinder is rotationally connected with the winding roller and penetrates through the winding roller, the limiting ring plates are provided with two groups, the two groups of limiting ring plates are respectively fixedly connected with the two ends of the connecting cylinder and are attached to the winding roller, a plurality of groups of limiting holes are formed in positions, opposite to the limiting ring plates, of the winding roller in an equidistant manner, of the winding roller, inserting holes are formed in the limiting ring plates in a matched manner, and the limiting ring plates are inserted into one group of limiting holes after penetrating through the inserting holes.

As a preferred embodiment of the hydraulic wrench with a fixing structure according to the present utility model, wherein: and one end of the limiting pin is also fixedly connected with a pull ring.

As a preferred embodiment of the hydraulic wrench with a fixing structure according to the present utility model, wherein: the limiting pin and the pull ring are made of stainless steel, and the limiting pin and the pull ring are integrally formed.

As a preferred embodiment of the hydraulic wrench with a fixing structure according to the present utility model, wherein: one end of the screw rod, which is far away from the primary hanging ring, is T-shaped.

As a preferred embodiment of the hydraulic wrench with a fixing structure according to the present utility model, wherein: the primary hanging ring and the steel cable are made of alloy steel.

The utility model has the beneficial effects that: through setting up the reaction arm of force of clamping component and spacing winding mechanism cooperation spanner body, accessible cable wire is taut it when the unable shelter from the thing of touching of reaction arm of force, makes it normally provide the reaction force for the spanner body, guarantees that spanner body can normal use, and the practicality is strong.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is a schematic overall structure of a hydraulic wrench with a fixing structure according to the present utility model.

Fig. 2 is an enlarged view of the structure of the area a in fig. 1 according to the present utility model.

FIG. 3 is a schematic view of a sectional view of a wind-up roll of a hydraulic wrench with a fixed structure according to the present utility model.

Description of the drawings: 100. a main body; 101. a wrench body; 102. a primary hanging ring; 103. a wire rope; 200. a clamping assembly; 201. a C-shaped frame; 202. a screw; 203. a secondary hanging ring; 300. a limit winding mechanism; 301. a wind-up roll; 302. a connecting cylinder; 303. a limiting ring plate; 304. a limiting pin; 305. and (5) a pull ring.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Further, in describing the embodiments of the present utility model in detail, the cross-sectional view of the device structure is not partially enlarged to a general scale for convenience of description, and the schematic is only an example, which should not limit the scope of protection of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

Examples

A hydraulic wrench with a fixed structure, comprising:

the main body 100 comprises a wrench body 101, a primary hanging ring 102 and a steel cable 103, wherein the wrench body 101 is provided with a reaction force arm, an opening is formed in the reaction force arm, the primary hanging ring 102 is arranged in the opening in a penetrating manner, and the steel cable 103 is fixedly connected with the primary hanging ring 102;

the clamping assembly 200 comprises a C-shaped frame 201, a screw rod 202 and a secondary hanging ring 203, wherein the screw rod 202 is in threaded connection with the C-shaped frame 201 and extends into an opening of the C-shaped frame 201 through the side wall of the C-shaped frame 201, the C-shaped frame 201 is matched with the secondary hanging ring 203 to form a connecting hole, the secondary hanging ring 203 is penetrated in the connecting hole, and one end of the steel cable 103, which is far away from the primary hanging ring 102, is fixedly connected with the secondary hanging ring 203;

the limiting winding mechanism 300 is arranged between the primary hanging ring 102 and the steel cable 103, the limiting winding mechanism 300 is used for winding the steel cable 103 and further adjusting the distance between the primary hanging ring 102 and the secondary hanging ring 203, the limiting winding mechanism 300 comprises a winding roller 301, a connecting cylinder 302, a limiting ring plate 303 and limiting pins 304, the middle part of the steel cable 103 is fixedly connected with the inner side of the roller body of the winding roller 301, the connecting cylinder 302 is rotationally connected with the winding roller 301 and penetrates through the winding roller 301, two groups of limiting ring plates 303 are arranged, the two groups of limiting ring plates 303 are respectively fixedly connected at two ends of the connecting cylinder 302 and are attached to the winding roller 301, a plurality of groups of limiting holes are formed in the position, opposite to the limiting ring plate 303, of the winding roller 301 at equal distance around the winding roller 301, and insertion holes are formed in the position, corresponding to the limiting ring plate 303, after the limiting ring plate 303 penetrates through the insertion holes, the insertion holes are formed in one group of limiting holes.

It should be noted that, stop pin 304 one end still fixedly connected with pull ring 305, conveniently pull out stop pin 304, stop pin 304 and pull ring 305 are stainless steel, avoid corrosion, stop pin 304 and pull ring 305 integrated into one piece, guarantee intensity, the one end that screw rod 202 kept away from one-level link 102 is T shape, conveniently rotates adjusting screw rod 202, one-level link 102 and cable wire 103 are alloy steel material, alloy steel material intensity is high.

Working principle: when the wrench body 101 is used, if the length of the reaction force arm of the wrench body 101 is insufficient to touch a shielding object, that is, when the reaction force arm cannot play a role, the limiting pin 304 is pulled out through the pull ring 305, at the moment, the winding roller 301 is rotatable, the winding roller 301 is rotated, the steel cable 103 with a proper length is released, the clamping assembly 200 is pulled to a clamping position, the clamping assembly 200 is clamped and fixed at the position through the screw rod 202, then the winding roller 301 is rotated, the winding roller 301 is rewound, the steel cable 103 is wound to be close to or in a straight state, then the limiting pin 304 is reinserted, the length of the steel cable 103 is fixed, at the moment, the wrench body 101 is started, the wrench body 101 drives the reaction force arm to rotate, and the reaction force arm cannot continue to rotate after tensioning the steel cable 103, so that the wrench body 101 provides a reaction force, and the wrench body 101 can screw or unscrew bolts.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims

1. A hydraulic wrench with a fixed structure, comprising:

the main body (100) comprises a wrench body (101), a primary hanging ring (102) and a steel cable (103), wherein the wrench body (101) is provided with a reaction force arm, an opening is formed in the reaction force arm, the primary hanging ring (102) is arranged in the opening in a penetrating mode, and the steel cable (103) is fixedly connected with the primary hanging ring (102);

the clamping assembly (200) comprises a C-shaped frame (201), a screw rod (202) and a secondary hanging ring (203), wherein the screw rod (202) is in threaded connection with the C-shaped frame (201) and extends into an opening of the C-shaped frame (201) through the side wall of the C-shaped frame (201), the C-shaped frame (201) is matched with the secondary hanging ring (203) to form a connecting hole, the secondary hanging ring (203) is penetrated in the connecting hole, and one end, far away from the primary hanging ring (102), of the steel cable (103) is fixedly connected with the secondary hanging ring (203);

the limiting winding mechanism (300) is arranged between the primary hanging ring (102) and the steel cable (103), and is used for winding the steel cable (103) so as to adjust the distance between the primary hanging ring (102) and the secondary hanging ring (203).

2. A hydraulic wrench with a fixed structure as claimed in claim 1, wherein: spacing winding mechanism (300) include wind-up roll (301), connecting cylinder (302), spacing ring plate (303) and spacer pin (304), cable wire (103) middle part and wind-up roll (301) roll body inboard fixed connection, connecting cylinder (302) rotate with wind-up roll (301) and be connected and pass wind-up roll (301), spacing ring plate (303) are provided with two sets of, two sets of spacing ring plate (303) respectively fixed connection at connecting cylinder (302) both ends and laminating with wind-up roll (301), wind-up roll (301) are just to the position of spacing ring plate (303) and are opened around wind-up roll (301) equidistance and have a plurality of spacing holes of group, it has the jack to open spacing ring plate (303) cooperation spacing hole, insert in one of them a set of spacing downthehole after spacing ring plate (303) passes the jack.

3. A hydraulic wrench with a fixed structure as claimed in claim 2, wherein: one end of the limiting pin (304) is also fixedly connected with a pull ring (305).

4. A hydraulic wrench with a fixed structure as claimed in claim 3, wherein: the limiting pin (304) and the pull ring (305) are made of stainless steel, and the limiting pin (304) and the pull ring (305) are integrally formed.

5. A hydraulic wrench with a fixed structure as claimed in claim 1, wherein: one end of the screw rod (202) far away from the primary hanging ring (102) is T-shaped.

6. A hydraulic wrench with a fixed structure as claimed in claim 1, wherein: the primary hanging ring (102) and the steel cable (103) are made of alloy steel materials.