Hydraulic torque wrench
By introducing a rotating plate, threaded rod and extruded rod structure into the hydraulic torque wrench, the problem of traditional wrenches requiring tools to remove the pins is solved, and the working head can be easily replaced.
Patent Information
- Application Number
- CN202422731927.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-11
- Publication Date
- 2025-10-03
- Estimated Expiration
- 2034-11-11
AI Technical Summary
Traditional hydraulic torque wrenches require tools to remove the pins when replacing the working head, which is inconvenient to operate.
A hydraulic torque wrench is designed, which realizes automatic disengagement and alignment of the pin by setting a rotating plate, a threaded rod and an extrusion rod, avoiding the use of tools.
The replacement process of the working head is simplified, and the convenience and efficiency of operation are improved.
Smart Images
Figure CN223406893U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydraulic torque wrenches, in particular to a hydraulic torque wrench. Background Art
[0002] A hydraulic torque wrench generally refers to a bolt tightening tool that can output and set torque. It is a high-pressure hydraulic tool and is widely used in equipment maintenance and installation in many heavy chemical industries. Hydraulic torque wrenches are of two types: drive shaft and hollow. Traditional hydraulic torque wrenches are connected by a working head and a power head through a pin. When replacing the working head, it is often necessary to use some tools to remove the pin and replace the working head, which is quite troublesome. For this reason, we propose a hydraulic torque wrench to solve the problem of needing to use tools to disassemble the working head when replacing it. Utility Model Content
[0003] The purpose of the present invention is to provide a hydraulic torque wrench to address the deficiencies of the prior art and to solve the problems raised in the background art.
[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a hydraulic torque wrench, comprising a working head and a power head, a plug block welded to one side of the bottom surface of the power head, and a first mounting hole is opened on the plug block, a first latch is fixedly installed in the first mounting hole opened on the plug block, a second mounting hole is opened on the upper right side of the power head, a first mounting hole is opened at the lower middle part of the working head, a second mounting hole is opened at the upper middle part of the working head, and a second latch is fixedly installed in the second mounting hole opened at the upper middle part of the working head, the first latch comprises a sleeve, a moving rod and a latch plate, a reinforcing rod, a spring and a fixing plate, the first latch and the second latch have the same structure, brackets are fixedly installed on both sides of the working head close to the second latch and on both sides of the power head close to the first latch, the brackets comprise a fixing column, a rotating plate, a rotating handle, a threaded rod, an extrusion rod, and a mounting plate.
[0005] As a preferred technical solution of the present invention, the fixing plate is welded to the middle position of the sleeve, there are two reinforcing rods, and one end of the two reinforcing rods is respectively welded to both sides of the fixing plate.
[0006] As a preferred technical solution of the present invention, there are two springs, which are respectively arranged on the outer ring of the reinforcing rod, and one end of the two springs is respectively welded to the two sides of the fixing plate.
[0007] As a preferred technical solution of the present invention, there are two moving rods and two latch plates, and one end of the two moving rods is respectively located in the sleeve, and the moving rods located in the sleeve are provided with a groove, the reinforcing rod is located in the groove provided by the moving rod, and one side of the two latch plates is respectively welded to one end of the two moving rods located outside the sleeve.
[0008] As a preferred technical solution of the present invention, one end of the two springs away from the fixed plate is respectively welded to one end of the two moving rods located inside the sleeve, and the springs are in a conical spiral shape.
[0009] As a preferred technical solution of the present invention, there are two fixing columns respectively welded on the working head close to the first pin and the second pin, and there are two mounting plates respectively welded on the two fixing columns.
[0010] As an optimal technical solution of the present invention, a threaded hole matching the threaded rod is opened on the side of the mounting plate away from the fixing column, and the threaded rod is located in the threaded hole, and the extrusion rod is located on the inner side of the threaded rod and is rotatably connected to the threaded rod.
[0011] As a preferred technical solution of the present invention, the rotating plate is welded to the outside of the threaded rod, and the rotating handle is welded to the side of the rotating plate away from the threaded rod.
[0012] Compared with the prior art, the present invention provides a hydraulic torque wrench with the following beneficial effects:
[0013] 1. This hydraulic torque wrench is provided with a rotating plate, a threaded rod and an extrusion rod, etc., and the rotating handles on both sides of the working head can be rotated, and the threaded rod can be driven to rotate by the rotating plate. At this time, the first latch can be squeezed by the extrusion rod, so that the two latch plates can be moved and detached from the power head. The same operation can be performed on the second latch in the same way. At this time, the power head can be pulled, so that the first mounting hole and the second mounting hole on the power head are misaligned with the first mounting hole and the second mounting hole on the working head. After that, the handle can be reversed and the threaded rod can be reset by the rotating plate. At this time, the power head can be removed from the working head, avoiding the need to use tools when disassembling the working head, which is more troublesome.
[0014] 2. This hydraulic torque wrench is provided with a rotating plate, a threaded rod and an extrusion plate, etc. At this time, the rotating handle can be rotated, and the threaded rod can drive the extrusion rod to move through the rotating plate, and the latch plate on the first latch and the second latch can be moved inward, and then the power head can be clamped in the corresponding position of the working head. At this time, the first mounting hole and the second mounting hole on the power head are still in a misaligned state with the first mounting hole and the second mounting hole on the working head. The handle can be reversed and rotated, and the extrusion rod can be reset through the rotating plate and the threaded rod, and the first mounting hole and the second mounting hole on the power head can be slowly aligned with the first mounting hole and the second mounting hole on the working head. At this time, under the action of the spring, the moving rod can be squeezed, and the latch plate can be inserted into the corresponding mounting hole, so that the use of tools is avoided when replacing the working head, and the replacement of the working head is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the structure of the power head of the utility model;
[0017] Figure 3 This is a schematic diagram of the latch structure of the utility model;
[0018] Figure 4 This is a schematic diagram of a partial cross-sectional structure of the latch of the utility model;
[0019] Figure 5 This is a schematic diagram of the support structure of the utility model.
[0020] Figure numerals: 1. working head; 2. first latch; 201. sleeve; 202. moving rod; 203. latch plate; 204. reinforcing rod; 205. spring; 206. fixing plate; 3. power head; 4. second latch; 5. bracket; 501. fixing column; 502. rotating plate; 503. rotating handle; 504. threaded rod; 505. extrusion rod; 506. mounting plate; 6. plug block. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0022] See also Figure 1-Figure 5In this embodiment: a hydraulic torque wrench includes a working head 1 and a power head 3, an insert block 6 is welded on one side of the bottom surface of the power head 3, and a first mounting hole is opened on the insert block 6, a first latch 2 is fixedly installed in the first mounting hole opened on the insert block 6, a second mounting hole is opened on the upper right side of the power head 3, a first mounting hole is opened at the lower middle part of the working head 1, and a second mounting hole is opened at the upper middle part of the working head 1. The working head 1 and the power head 3 can be connected by the first and second mounting holes opened on the power head 3 and the first and second mounting holes opened on the working head 1. The power head 3 is installed, and the second latch 4 is fixedly installed in the second mounting hole opened in the upper middle part of the working head 1. The first latch 2 includes a sleeve 201, a movable rod 202 and a latch plate 203, a reinforcing rod 204, a spring 205 and a fixed plate 206. The first latch 2 and the second latch 4 have the same structure. Brackets 5 are fixedly installed on both sides of the working head 1 close to the second latch 4 and on both sides of the power head 3 close to the first latch 2. The brackets 5 include a fixed column 501, a rotating plate 502, a rotating handle 503, a threaded rod 504, an extrusion rod 505, and a mounting plate 506.
[0023] In this embodiment, the fixing plate 206 is welded to the middle position of the sleeve 201, there are two reinforcing rods 204, and one end of the two reinforcing rods 204 is respectively welded to the two sides of the fixing plate 206, which can improve the overall strength of the latch to a certain extent, there are two springs 205, and they are respectively arranged on the outer ring of the reinforcing rod 204, and one end of the two springs 205 is respectively welded to the two sides of the fixing plate 206, there are two moving rods 202 and latch plates 203, and one end of the two moving rods 202 is respectively located in the sleeve 201, and the moving rod 202 located in the sleeve 201 is provided with a groove, and the reinforcing rod 204 is located in the groove provided by the moving rod 202, one side of the two latch plates 203 is respectively welded to the end of the two moving rods 202 located outside the sleeve 201, and the ends of the two springs 205 away from the fixing plate 206 are respectively welded to the ends of the two moving rods 202 located inside the sleeve 201, and the springs 205 are respectively welded to the ends of the two moving rods 202 located inside the sleeve 201. The conical spiral shape does not take up too much space. There are two fixing columns 501, which are respectively welded on the working head 1 near the first latch 2 and the second latch 4. The latch plate 203 can be pressed to move the latch plate 203, and the latch plate 203 can be popped out under the action of the spring 205. There are two mounting plates 506, which are respectively welded on the two fixing columns 501. The mounting plate 506 is provided with a threaded hole matching the threaded rod 504 on the side away from the fixing column 501, and the threaded rod 504 is located in the threaded hole. The extrusion rod 505 is located on the inner side of the threaded rod 504 and is rotatably connected to the threaded rod 504. The rotating plate 502 is welded to the outer side of the threaded rod 504, and the rotating handle 503 is welded on the side of the rotating plate 502 away from the threaded rod 504. The rotating handle 503 can drive the threaded rod 504 to rotate through the rotating plate 502, thereby enabling the extrusion rod 505 to move, and the latch plate 203 can be squeezed.
[0024] The working principle and use process of the present invention are as follows: when the working head 1 needs to be replaced, the rotating handles 503 on both sides of the working head 1 can be rotated, and the threaded rod 504 can be driven to rotate by the rotating plate 502. At this time, the first latch 2 can be squeezed by the squeezing rod 505, so that the two latch plates 203 can be moved and detached from the power head 3. The same operation can be performed on the second latch 4 in the same way. At this time, the power head 3 can be pulled, so that the first mounting hole and the second mounting hole on the power head 3 are misaligned with the first mounting hole and the second mounting hole on the working head 1. Afterwards, the rotating handle 503 can be reversed, and the threaded rod 504 can be reset by the rotating plate 502, so that the power head 3 can be removed from the working head 1, avoiding the need to use tools when disassembling the working head 1, which is more troublesome. When the working head 1 is installed, the rotating handle 503 can be rotated, and the threaded rod 504 can be used to drive the extrusion rod 505 to move by rotating the plate 502, so that the latch plate 203 on the first latch 2 and the second latch 4 can be moved inward, and then the power head 3 can be clamped in the corresponding position of the working head 1. At this time, the first mounting hole and the second mounting hole on the power head 3 are still in a misaligned state with the first mounting hole and the second mounting hole on the working head 1. At this time, the rotating handle 503 can be reversed, and the extrusion rod 505 can be reset by rotating the plate 502 and the threaded rod 504, and the first mounting hole and the second mounting hole on the power head 3 can be slowly aligned with the first mounting hole and the second mounting hole on the working head 1. At this time, under the action of the spring 205, the moving rod 202 can be squeezed, so that the latch plate 203 can be inserted into the corresponding mounting hole, so that the use of tools is avoided when replacing the working head 1, and it is more convenient to replace the working head 1.
[0025] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalent features for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.
Claims
1. A hydraulic torque wrench, comprising a working head (1) and a power head (3), characterized in that: A plug block (6) is welded on one side of the bottom surface of the power head (3), and a first mounting hole is provided on the plug block (6), a first latch (2) is fixedly installed in the first mounting hole provided on the plug block (6), a second mounting hole is provided on the upper right side of the power head (3), a first mounting hole is provided on the lower middle part of the working head (1), a second mounting hole is provided on the upper middle part of the working head (1), and a second latch (4) is fixedly installed in the second mounting hole provided on the upper middle part of the working head (1), the first latch (2) includes a sleeve (2 01), a moving rod (202) and a latch plate (203), a reinforcing rod (204), a spring (205) and a fixed plate (206), the first latch (2) and the second latch (4) have the same structure, and brackets (5) are fixedly installed on both sides of the working head (1) and close to the second latch (4) and on both sides of the power head (3) and close to the first latch (2), and the brackets (5) include a fixed column (501), a rotating plate (502), a rotating handle (503), a threaded rod (504), an extrusion rod (505), and a mounting plate (506).
2. A hydraulic torque wrench according to claim 1, characterized in that: The fixing plate (206) is welded to the middle position of the sleeve (201), and there are two reinforcing rods (204), and one end of the two reinforcing rods (204) is respectively welded to both sides of the fixing plate (206).
3. The hydraulic torque wrench according to claim 1, characterized in that: There are two springs (205), which are respectively arranged on the outer ring of the reinforcing rod (204), and one end of the two springs (205) is respectively welded to the two sides of the fixing plate (206).
4. The hydraulic torque wrench according to claim 1, characterized in that: There are two movable rods (202) and two latch plates (203), and one end of each movable rod (202) is located in the sleeve (201), and the movable rod (202) located in the sleeve (201) is provided with a groove. The reinforcing rod (204) is located in the groove provided in the movable rod (202), and one side of each latch plate (203) is welded to one end of each movable rod (202) located outside the sleeve (201).
5. The hydraulic torque wrench according to claim 1, characterized in that: One end of the two springs (205) away from the fixed plate (206) is respectively welded to one end of the two moving rods (202) located inside the sleeve (201), and the springs (205) are in a conical spiral shape.
6. The hydraulic torque wrench according to claim 1, characterized in that: There are two fixing columns (501) respectively welded on the working head (1) close to the first latch (2) and the second latch (4); there are two mounting plates (506) respectively welded on the two fixing columns (501).
7. The hydraulic torque wrench according to claim 1, characterized in that: A threaded hole matching the threaded rod (504) is provided on one side of the mounting plate (506) away from the fixing column (501), and the threaded rod (504) is located in the threaded hole. The extrusion rod (505) is located on the inner side of the threaded rod (504) and is rotatably connected to the threaded rod (504).
8. The hydraulic torque wrench according to claim 1, characterized in that: The rotating plate (502) is welded to the outside of the threaded rod (504), and the rotating handle (503) is welded to the side of the rotating plate (502) away from the threaded rod (504).