Hollow wrench power head counter-force support plate base plate

Abstract

The utility model relates to the technical field of hollow wrenches, and discloses a hollow wrench power head counter-force supporting plate base plate which comprises a base plate body used for counter-force supporting, and a hollow wrench body is arranged on one side of the base plate body. The hollow wrench body comprises a shell, and the output shaft end of the hollow wrench body is connected with a sleeve. A base plate body is connected to one side of the bottom of the shell, a fixing frame located on one side of the top of the base plate body is fixed to the inner wall of the shell, and a connecting assembly is arranged on one side of the fixing frame. The connecting assembly comprises a sliding rod and a connecting column, at least one locking rod is fixed to the outer side of the sliding rod, the base plate body is attached to one side of a limited object, stable support is provided for a sleeve screwing nut, and the stability and accuracy of the screwing process are ensured; the base plate body can effectively prevent the shell of the hollow wrench main body from being stressed and deformed when a nut is screwed, so that the service life of the hollow wrench main body is prolonged, and the shutdown time and the maintenance cost caused by equipment damage are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of hollow wrenches, in particular to a reaction force support plate pad for the power head of a hollow wrench. Background Technique

[0002] Hydraulic torque wrenches are divided into two major series: drive-type hydraulic torque wrenches and hollow-type hydraulic wrenches. The drive-type hydraulic torque wrench is used in combination with a standard socket and is a general-purpose hydraulic wrench with a wide range of applications. The hollow hydraulic wrench has a relatively thin thickness and is especially suitable for places with relatively narrow spaces.

[0003] In mechanical maintenance, assembly, and production line operations, the hollow wrench, as a commonly used fastening tool, is widely used in the fastening operations of various bolts and nuts. However, during long-term or high-intensity use, especially when tightening nuts with large or high tightening torque requirements, the housing of the hollow wrench often deforms due to excessive reaction forces, which not only affects the tightening accuracy and efficiency but may also cause damage to the wrench. Therefore, a reaction force support plate pad for the power head of a hollow wrench is proposed. Content of the Utility Model

[0004] The purpose of the utility model is to provide a reaction force support plate pad for the power head of a hollow wrench to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A reaction force support plate pad for the power head of a hollow wrench, including a pad body for reaction force support, and a hollow wrench body is arranged on one side of the pad body;

[0006] The hollow wrench body includes a housing, and a socket is connected to the output shaft end of the hollow wrench body;

[0007] One side of the bottom of the housing is connected to the pad body, a fixing frame is fixed on the inner wall of the housing on one side of the top of the pad body, and a connecting component is arranged on one side of the fixing frame;

[0008] The connecting component includes a sliding rod and a connecting column. At least one locking rod is fixed on the outer side of the sliding rod, a locking groove is opened on one side of the connecting column, a first sliding groove and an insertion groove are respectively opened inside the fixing frame, and at least one second sliding groove is arranged on the inner wall of the first sliding groove.

[0009] Preferably, a spring is connected between one side of the sliding rod and the inner side wall of the first sliding groove, and a push block located outside the fixing frame is fixed at one end of the sliding rod.

[0010] Preferably, the outer side of the locking rod is slidably connected to the inner side of the second sliding groove, the outer side of the sliding rod is slidably connected to the inner side of the first sliding groove, and the bottom of the connecting column is fixed on one side of the top of the pad body.

[0011] Preferably, the above connecting column is inserted inside the insertion groove;

[0012] When the lock rod is inserted inside the lock groove, the backing plate body and the fixing frame are in a connected state. When the lock rod leaves the inside of the lock groove, the backing plate body and the fixing frame are in a separated state.

[0013] Preferably, a limiting hole is opened on one side of the above shell, and a pin inserted into one side of the bottom of the hydraulic cylinder is connected inside the limiting hole.

[0014] Preferably, a limiting groove is opened on one side of the top of the above shell, a T-shaped connecting block is inserted inside the limiting groove, and a hydraulic cylinder is connected to one side of the T-shaped connecting block.

[0015] Preferably, a connecting head is connected to one end of the above hydraulic cylinder.

[0016] Compared with the prior art, the present utility model adopts the above technical solutions and has the following technical effects:

[0017] First, by pushing the push block, the push block drives the sliding rod to slide inside the first chute. At this time, the sliding rod compresses the spring, and at this time, the sliding rod drives the lock rod to leave the inside of the lock groove, so that the disassembly and installation of the backing plate can be realized. Without complex operation steps or tools, the replacement of the backing plate body becomes easier, thereby extending the service life of the overall equipment. Users can quickly replace the backing plate body when it is worn instead of replacing the entire equipment, thus reducing the maintenance cost.

[0018] Second, by fitting the backing plate body to one side of the limited object, it provides a stable support for the sleeve to tighten the nut, ensuring the stability and accuracy of the tightening process. The backing plate body can effectively prevent the shell of the hollow wrench body from deforming under force when tightening the nut, thereby extending the service life of the hollow wrench body and reducing the downtime and maintenance cost caused by equipment damage. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0020] Figure 1 It is a first perspective structural schematic diagram of the present utility model;

[0021] Figure 2 It is a second perspective structural schematic diagram of the present utility model;

[0022] Figure 3 Exploded view structure diagram of the present utility model;

[0023] Figure 4 Schematic diagram of the cooperation structure of the lock rod and the lock groove of the present utility model;

[0024] Figure 5 Stereo structure diagram of the backing plate body of the present utility model.

[0025] Explanation of reference numerals: 1, backing plate body; 2, hollow wrench main body; 3, connecting component; 31, push block; 32, sliding rod; 33, lock groove; 34, first chute; 35, spring; 36, second chute; 37, connecting column; 38, lock rod; 39, insertion groove; 4, bolt; 5, sleeve; 6, housing; 7, limiting groove; 8, T-shaped connecting block; 9, hydraulic cylinder; 10, connecting head; 11, limiting hole; 12, fixing bracket. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0027] It should be noted that the structures, ratios, sizes, etc. shown in the drawings of this specification are only used to cooperate with the content disclosed in the specification for those skilled in this technology to understand and read, and are not used to limit the limiting conditions that can be implemented by this application. Therefore, they do not have a technical essence. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that this application can produce and the purposes that can be achieved, should still fall within the scope that the technical content disclosed in this application can cover.

[0028] Embodiment

[0029] Please refer to Figures 1-5 , the present utility model provides a technical solution: a reaction force support backing plate for the power head of a hollow wrench, including a backing plate body 1 for reaction force support, and a hollow wrench main body 2 is arranged on one side of the backing plate body 1; since the internal structure and operation principle of the hollow wrench main body 2 are both prior arts and will not be elaborated here, the hollow wrench main body 2 includes a housing 6, and a sleeve 5 is connected to the output shaft end of the hollow wrench main body 2. The sleeve 5 is sleeved outside the nut, and then the backing plate body 1 is attached to one side of the limited object. At this time, the connecting head 10 is connected to the hydraulic station, and hydraulic oil enters the inner side of the hydraulic cylinder 9. Under the power of the hydraulic cylinder 9 and the cooperation of the ratchet and the ratchet teeth, the sleeve 5 rotates clockwise;

[0030] A limiting hole 11 is formed on one side of the housing 6. A pin 4 inserted into one side of the bottom of the hydraulic cylinder 9 is connected to the inner side of the limiting hole 11. A limiting groove 7 is formed on one side of the top of the housing 6. A T-shaped connecting block 8 is inserted into the inner side of the limiting groove 7. First, remove the pin 4, and then rotate the hydraulic cylinder 9 so that the T-shaped connecting block 8 on one side of the hydraulic cylinder 9 is inside. The T-shaped connecting block 8 is connected to the hydraulic cylinder 9 on one side, and a connecting head 10 is connected to one end of the hydraulic cylinder 9, so that the T-shaped connecting block 8 leaves the inner side of the limiting groove 7. At this time, the hydraulic cylinder 9 can be disassembled.

[0031] A backing plate body 1 is connected to one side of the bottom of the housing 6. A fixing frame 12 is fixed to the inner wall of the housing 6 on one side of the top of the backing plate body 1. A connecting component 3 is arranged on one side of the fixing frame 12;

[0032] In order to facilitate the maintenance of the backing plate body 1, a connecting component 3 is provided. The connecting component 3 includes a sliding rod 32 and a connecting column 37. At least one locking rod 38 is fixed to the outer side of the sliding rod 32. A locking groove 33 is formed on one side of the connecting column 37. A first sliding groove 34 and an insertion groove 39 are respectively formed inside the fixing frame 12. Push the push block 31 to one side. At this time, the push block 31 drives the sliding rod 32 to slide inside the first sliding groove 34. At least one second sliding groove 36 is provided on the inner wall of the first sliding groove 34. A spring 35 is connected between one side of the sliding rod 32 and the inner side wall of the first sliding groove 34. One end of the sliding rod 32 is fixed with a push block 31 located outside the fixing frame 12. The outer side of the locking rod 38 is slidably connected to the inner side of the second sliding groove 36. The sliding rod 32 compresses the spring 35. At this time, the sliding rod 32 drives the locking rod 38 to leave the inner side of the locking groove 33. At this time, pull the backing plate body 1 to one side so that the connecting column 37 on the top of the backing plate body 1 leaves the inner side of the insertion groove 39. At this time, the worn backing plate body 1 can be removed;

[0033] The outer side of the sliding rod 32 is slidably connected to the inner side of the first sliding groove 34. The bottom of the connecting column 37 is fixed to one side of the top of the backing plate body 1. The connecting column 37 is inserted into the inner side of the insertion groove 39; when the locking rod 38 is inserted into the inner side of the locking groove 33, the backing plate body 1 and the fixing frame 12 are in a connected state. When the locking rod 38 leaves the inner side of the locking groove 33, the backing plate body 1 and the fixing frame 12 are in a separated state. Insert the connecting column 37 on the top of the backing plate body 1 into the insertion groove 39 at the bottom of the fixing frame 12, and then push the push block 31 so that under the push of the push block 31, the locking rod 38 slides in the second sliding groove 36, and push the locking rod 38 to be inserted into the locking groove 33 to complete the installation of the backing plate body 1.

[0034] Working principle: When the hollow wrench body 2 is in use, the sleeve 5 is sleeved outside the nut, and then the pad body 1 is attached to one side of the limited object. At this time, the connecting head 10 is connected to the hydraulic station, and the hydraulic oil enters the inner side of the hydraulic cylinder 9. Under the power of the hydraulic cylinder 9 and the cooperation of the ratchet and the ratchet teeth, the sleeve 5 rotates clockwise. When rotating, the pad body 1 on one side of the hollow wrench body 2 contacts the limited object. When the sleeve 5 tightens the nut, the pad body 1 leans against one side of the limited object, and the shell 6 of the hollow wrench body 2 can be prevented from deforming due to force through the pad body 1;

[0035] When the pad body 1 is used multiple times and the surface of the pad body 1 is worn and needs to be replaced, at this time, only need to push the push block 31 to one side. At this time, the push block 31 drives the slide rod 32 to slide inside the first chute 34. At this time, the slide rod 32 compresses the spring 35. At this time, the slide rod 32 drives the lock rod 38 to leave the inside of the lock groove 33. At this time, pull the pad body 1 to one side, so that the connecting column 37 at the top of the pad body 1 leaves the inside of the insertion groove 39. At this time, the worn pad body 1 can be removed;

[0036] Take a new pad body 1, insert the connecting column 37 at the top of the pad body 1 into the insertion groove 39 at the bottom of the fixing frame 12, and then push the push block 31. Under the push of the push block 31, the lock rod 38 slides inside the second chute 36. Then release the thrust of pushing the push block 31. At this time, under the thrust of the spring 35, the lock rod 38 slides to one side of the connecting column 37. When the lock rod 38 slides inside the lock groove 33, push the lock rod 38 to insert into the lock groove 33. At this time, the installation of the pad body 1 is completed. The operation is simple and convenient. Only need to push the push block 31 to replace the pad body 1;

[0037] When the hydraulic cylinder 9 needs to be disassembled, only need to remove the pin 4 first, and then rotate the hydraulic cylinder 9 so that the T-shaped connecting block 8 on one side of the hydraulic cylinder 9 is inside, and then the T-shaped connecting block 8 leaves the inside of the limit groove 7. At this time, the hydraulic cylinder 9 can be disassembled.

[0038] In summary, by pushing the push block 31, the push block 31 drives the slide rod 32 to slide inside the first chute 34. At this time, the slide rod 32 compresses the spring 35. At this time, the slide rod 32 drives the lock rod 38 to leave the inside of the lock groove 33, and the disassembly and installation of the pad can be realized. There is no need for complex operation steps or tools, and the replacement of the pad body 1 becomes easier, thereby extending the service life of the overall equipment. Users can quickly replace the pad body 1 when it is worn, rather than replacing the entire equipment, thereby reducing the maintenance cost;

[0039] By fitting the pad body 1 to one side of the limited object, it provides a stable support for the sleeve 5 to tighten the nut, ensuring the stability and accuracy of the tightening process. The pad body 1 can effectively prevent the shell 6 of the hollow wrench body 2 from deforming under force when tightening the nut, thereby prolonging the service life of the hollow wrench body 2 and reducing the downtime and maintenance costs caused by equipment damage.

[0040] Those skilled in the art can understand that the features recited in the various embodiments and / or claims of the present utility model can be combined or combined in various ways, even if such combinations or combinations are not explicitly recited in the present utility model. In particular, without departing from the spirit and teachings of the present utility model, the features recited in the various embodiments and / or claims of the present utility model can be combined and combined in various ways. All such combinations and / or combinations fall within the scope of the present utility model.

Claims

1. A hollow wrench power head reaction force support plate pad, comprising a plate body (1) for reaction force support, characterized in that: A hollow wrench body (2) is provided on one side of the pad body (1); The hollow wrench body (2) comprises a shell (6), and the output shaft end of the hollow wrench body (2) is connected to a sleeve (5); A backing plate body (1) is connected to one side of the bottom of the shell (6), a fixing frame (12) located on one side of the top of the backing plate body (1) is fixed to the inner wall of the shell (6), and a connecting component (3) is provided on one side of the fixing frame (12); The connecting assembly (3) comprises a sliding rod (32) and a connecting column (37), at least one locking rod (38) is fixed on the outer side of the sliding rod (32), a locking groove (33) is provided on one side of the connecting column (37), a first sliding groove (34) and an insertion groove (39) are respectively provided inside the fixing frame (12), and at least one second sliding groove (36) is provided on the inner wall of the first sliding groove (34).

2. A hollow wrench power head reaction support plate pad according to claim 1, characterized in that: A spring (35) is connected between one side of the slide rod (32) and the inner side wall of the first slide groove (34), and a push block (31) located outside the fixing frame (12) is fixed to one end of the slide rod (32).

3. A hollow wrench power head reaction support plate pad according to claim 2, characterized in that: The outer side of the locking rod (38) is slidably connected to the inner side of the second sliding groove (36), the outer side of the sliding rod (32) is slidably connected to the inner side of the first sliding groove (34), and the bottom of the connecting column (37) is fixed to the top side of the pad body (1).

4. A hollow wrench power head reaction support plate pad according to claim 3, characterized in that: The connecting column (37) is inserted into the inner side of the insertion groove (39); When the locking rod (38) is inserted into the inner side of the locking groove (33), the backing plate body (1) and the fixing frame (12) are in a connected state; when the locking rod (38) leaves the inner side of the locking groove (33), the backing plate body (1) and the fixing frame (12) are in a separated state.

5. The hollow wrench power head reaction support plate pad according to claim 1, characterized in that: A limiting hole (11) is provided on one side of the housing (6), and a latch (4) inserted into one side of the bottom of the hydraulic cylinder (9) is connected to the inner side of the limiting hole (11).

6. A hollow wrench power head reaction support plate pad according to claim 5, characterized in that: A limiting groove (7) is provided on one side of the top of the housing (6), a T-shaped connecting block (8) is inserted into the inner side of the limiting groove (7), and a hydraulic cylinder (9) is connected to one side of the T-shaped connecting block (8).

7. A hollow wrench power head reaction support plate pad according to claim 6, characterized in that: One end of the hydraulic cylinder (9) is connected to a connector (10).

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