CN220446321U - Hydraulic clamp special for ball valve assembly and workbench - Google Patents
Hydraulic clamp special for ball valve assembly and workbench Download PDFInfo
- Publication number
- CN220446321U CN220446321U CN202322022342.0U CN202322022342U CN220446321U CN 220446321 U CN220446321 U CN 220446321U CN 202322022342 U CN202322022342 U CN 202322022342U CN 220446321 U CN220446321 U CN 220446321U
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- 230000007246 mechanism Effects 0.000 claims description 9
- 230000004308 accommodation Effects 0.000 claims description 4
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Clamps And Clips (AREA)
Abstract
The utility model discloses a hydraulic clamp special for ball valve assembly and a workbench, which comprise a table top, wherein a sliding groove is arranged on the table top, two symmetrically arranged clamp bodies are protruded out of the table top and are in sliding connection with the table top through the sliding groove, and a clamp body hydraulic driving system for driving the two clamp bodies to synchronously move is arranged below the table top; the clamp body comprises a clamping part and a positioning part; the clamping surface of the clamping part is arc-shaped, and the clamping part is used for clamping the circumferential surface of the connecting flange at the lower part of the ball valve; the locating part is including being provided with the locating pin of elasticity telescopic machanism, and the locating pin is used for carrying out the location to the mounting hole on the flange of ball valve lower part. The ball valve clamping device can rapidly and stably realize stable clamping of the ball valve, and meanwhile, the offset rotation of the spherical center of the valve core generated after the ball valve is fixed can be avoided.
Description
Technical Field
The utility model relates to the technical field of valve machining, in particular to a hydraulic clamp special for ball valve assembly and a workbench.
Background
The ball valve is a common valve, and a valve rod drives a spherical opening and closing part to rotate around the axis of the ball valve, so that the functions of cutting off, distributing and changing the flow direction of a medium are realized. Ball valves are widely applied to industries such as petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and take a significant role in national economy.
In the manufacturing process of the ball valve, the valve core of the ball valve needs to be assembled, so that the ball valve needs to be stably clamped. The utility model provides a patent of application number 202223388281.1 "a welding ball valve assembly fixing device", discloses a processing anchor clamps of backup pad for high leakproofness ball valve, the bottom fixedly connected with operation box of main part work box inner wall, the top of main part work box is run through there is the centre gripping frame, the both sides on main part work box surface are run through there is the fixed slot piece, the inner wall threaded connection of fixed slot piece has the screw thread axle, the one end rotation of screw thread axle is connected with the removal folded plate, the one end of removal folded plate runs through the centre gripping frame and extends to the inside of centre gripping frame, the surface cover of removal folded plate is equipped with the centre gripping arc. According to the processing clamp for the support plate for the high-tightness ball valve, provided by the utility model, through the arrangement of the main body working box, the operation box, the clamping frame, the fixed groove block, the threaded shaft, the movable folded plate, the clamping arc plate and the bolt, a worker can directly operate the clamping arc plate to clamp the support plate for the high-tightness ball valve through rotating the threaded shaft, so that the whole structure is stable, the operation logic is clear, and the operation is convenient.
Although the ball valve can be fixed, the problem that the center of the spherical surface of the valve core is deviated and rotated due to the rotation of the ball valve exists in the assembling process, and the assembling precision and efficiency of the valve core are directly affected.
Disclosure of Invention
The utility model aims to provide a hydraulic clamp and a workbench special for ball valve assembly, which can rapidly and stably realize stable clamping of a ball valve, can effectively avoid the problem of offset rotation of the spherical center of a valve core caused by rotation of the ball valve in the assembly process, and improve the assembly precision and efficiency of the ball valve.
The utility model adopts the following technical scheme:
the hydraulic clamp special for assembling the ball valve comprises a table top, wherein a sliding groove is formed in the table top, two symmetrically arranged clamp bodies are protruded out of the table top and are in sliding connection with the table top through the sliding groove, and a clamp body hydraulic driving system for driving the two clamp bodies to synchronously move is arranged below the table top; the clamp body comprises a clamping part and a positioning part; the clamping surface of the clamping part is arc-shaped, and the clamping part is used for clamping the circumferential surface of the connecting flange at the lower part of the ball valve; the locating part is including being provided with the locating pin of elasticity telescopic machanism, and the locating pin is used for carrying out the location to the mounting hole on the flange of ball valve lower part.
The clamp body hydraulic driving system comprises a sliding module and a hydraulic driving module; the sliding module comprises sliding blocks, sliding rails and a clamp body connecting part, wherein the two groups of sliding rails are arranged below the table top in a front-back symmetrical way, and the left side and the right side of each sliding rail are correspondingly provided with one sliding block in a sliding way; a clamp body connecting part is arranged between two sliding blocks on two sliding rails on the same side, the front end and the rear end of the clamp body connecting part are respectively positioned in corresponding sliding grooves, and the opposite sides of the two clamp body connecting parts are respectively connected with a clamp body; the hydraulic driving module drives the connecting parts of the two clamp bodies to synchronously move.
The hydraulic driving module comprises two groups of hydraulic cylinders symmetrically arranged below the left side and the right side of the table top, and the output ends of the hydraulic cylinders are connected with the connecting parts of the clamp body; both sets of hydraulic cylinders are controlled by a hydraulic control module.
The clamping device is characterized in that an arc-shaped dovetail groove is formed in the surface of one side, connected with the clamping device body, of the clamping device body, the clamping portion is in a fan ring shape, an adaptive dovetail sliding block is arranged on the corresponding side of the clamping portion, and the clamping portion is spliced with the clamping device body through the dovetail sliding block and the dovetail groove.
The positioning part comprises a mounting seat, a telescopic positioning rod, a positioning pin sliding sleeve and a positioning pin; the mount pad sets up the up end at anchor clamps body coupling portion, and telescopic locating lever's stiff end is connected with the mount pad, and telescopic locating lever's flexible end is connected with the locating pin sliding sleeve, and vertical slip is provided with the locating pin in the locating pin sliding sleeve, and is provided with elastic telescoping mechanism between locating pin and the locating pin sliding sleeve, and elastic telescoping mechanism drives the locating pin and move down.
The positioning pin sliding sleeve is characterized in that strip-shaped through holes are symmetrically formed in two sides of the positioning pin sliding sleeve, connecting blocks are arranged above the strip-shaped through holes, positioning pin driving blocks are symmetrically arranged on two sides of the positioning pin, the positioning pin driving blocks are arranged in the strip-shaped through holes in a sliding mode, and the elastic telescopic mechanism is arranged between the connecting blocks and the positioning pin driving blocks.
The bottom of locating pin be provided with the ball accommodation chamber, the ball is provided with the ball in the ball accommodation chamber.
The two groups of hydraulic cylinders share the same oil cylinder.
The hydraulic control module adopts a pedal.
A special workbench for ball valve assembly comprises the special hydraulic clamp for ball valve assembly; support legs are arranged at four corners of the lower surface of the table top.
According to the ball valve fixing device, the two clamp bodies are used for clamping the circumferential surface of the connecting flange at the lower part of the ball valve, so that the ball valve can be quickly and stably fixed; after the ball valve is clamped and positioned by the two clamp bodies, the positioning pin is inserted into the mounting hole on the connecting flange at the lower part of the ball valve, so that the ball valve can be limited to circumferentially rotate, the problem that the center of the spherical surface of the valve core is deviated and rotated due to rotation of the ball valve in the assembly process can be effectively avoided, and the assembly precision and efficiency of the ball valve are improved.
Furthermore, the utility model realizes the synchronous movement of the two clamp body connecting parts through two groups of hydraulic cylinders sharing the same oil cylinder and a multi-cylinder synchronous action loop;
furthermore, the utility model is also provided with the dovetail connection mode of the clamping part and the clamp body connecting part, so that the installation and the disassembly are convenient, a certain movable space is provided, the self-adaption and automatic centering effects can be achieved when the circumferential surface of the lower connecting flange of the ball valve is clamped, and the clamping and fixing efficiency of the ball valve is effectively improved.
Furthermore, the positioning part consisting of the mounting seat, the telescopic positioning rod, the positioning pin sliding sleeve and the positioning pin is arranged, so that the positioning pin at the end part of the positioning rod is automatically inserted into the mounting hole of the connecting flange when the hydraulic driving module drives the two clamps to move relatively, and the positioning is realized.
Drawings
FIG. 1 is a top view of a special hydraulic clamp for assembling a ball valve in the present utility model;
FIG. 2 is a schematic diagram of a special workbench for assembling ball valves in the utility model;
FIG. 3 is a side view of a specialized table for assembling ball valves in accordance with the present utility model;
FIG. 4 is a schematic diagram of the structure of the special workbench for assembling the ball valve after the table top is removed;
FIG. 5 is an enlarged schematic view of portion A of FIG. 4;
fig. 6 is a schematic structural view of a connection portion between a clamp body and a clamp body.
Detailed Description
The utility model is described in detail below with reference to the attached drawings and examples:
as shown in fig. 1 to 6, the hydraulic clamp special for assembling the ball valve comprises a table top 1 for placing the ball valve in the assembling process, wherein a sliding groove 2 is arranged on the table top 1, two symmetrically arranged clamp bodies 3 are protruded out of the table top 1 and are in sliding connection with the table top 1 through the sliding groove 2, and a clamp body hydraulic driving system for driving the two clamp bodies 3 to synchronously move is arranged below the table top 1; the clamp body 3 comprises a clamping part 3-1 and a positioning part 3-2; the clamping surface of the clamping part 3-1 is arc-shaped, and the clamping part 3-1 is used for clamping the circumferential surface of the connecting flange at the lower part of the ball valve; the positioning part 3-2 comprises a positioning pin 4 provided with an elastic telescopic mechanism, and the positioning pin 4 is used for positioning a mounting hole on a connecting flange at the lower part of the ball valve.
According to the utility model, the two clamp bodies 3 clamp the circumferential surface of the connecting flange at the lower part of the ball valve, so that the ball valve can be quickly and stably fixed; after the ball valve is clamped and fixed by the two clamp bodies 3, an assembly worker manually inserts the positioning pin 4 into the mounting hole on the connecting flange at the lower part of the ball valve, so that the problem that the center of the spherical surface of the valve core is deviated and rotated due to rotation of the ball valve in the assembly process can be effectively avoided.
In order to realize stable movement of the two clamp bodies 3 and reduce position errors generated by sliding, in the embodiment, the clamp body hydraulic driving system comprises a sliding module and a hydraulic driving module; the sliding module comprises sliding blocks 5, sliding rails 6 and a clamp body connecting part 7, wherein the two groups of sliding rails 6 are arranged below the table top 1 in a front-back symmetrical manner, and the left side and the right side of each sliding rail 6 are correspondingly provided with one sliding block 5 in a sliding manner; a clamp body connecting part 7 is arranged between the two sliding blocks 5 on the two sliding rails 6 on the same side, the front end and the rear end of the clamp body connecting part 7 are respectively positioned in the corresponding sliding grooves 2, and the opposite sides of the two clamp body connecting parts 7 are respectively connected with the clamp body 3. The cooperation of two slide rails 6 and four sliders 5 can guarantee that two fixture body connecting portions 7 carry out stable and reliable linear motion in the length direction through corresponding sliders 5.
In the utility model, the two clamp body connecting parts 7 are driven to synchronously move by the hydraulic driving module; the hydraulic driving module comprises two groups of hydraulic cylinders 8 symmetrically arranged on the left side and the right side below the table top 1, and the output ends of the hydraulic cylinders 8 are connected with the clamp body connecting part 7; both sets of hydraulic cylinders 8 are controlled by a hydraulic control module, which may be a foot pedal. The two groups of hydraulic cylinders 8 share the same oil cylinder, and realize synchronous motion through the existing multi-cylinder synchronous action loop. The existing multi-cylinder synchronous action loop can adopt a shunt valve synchronous loop, a speed regulating valve synchronous loop and the like, and is not repeated here.
In the utility model, an arc-shaped dovetail groove is formed in the surface of one side, connected with the clamp body 3, of the clamp body connecting part 7, the clamping part 3-1 is in a fan ring shape, an adaptive dovetail-shaped sliding block 9 is arranged on the corresponding side of the clamping part 3-1, and the clamping part 3-1 is spliced with the clamp body connecting part 7 through the dovetail-shaped sliding block 9 and the dovetail groove. The clamping surface of the clamping part 3-1 adopts an arc shape to be matched with the circumferential surface of the connecting flange at the lower part of the ball valve; the special plug-in mode of the clamping part 3-1 and the clamp body connecting part 7 is convenient to install and detach, has a certain movable space, can achieve the effects of self-adaption and automatic centering when clamping the circumferential surface of the connecting flange at the lower part of the ball valve, and effectively improves the clamping and fixing efficiency of the ball valve.
In the utility model, the positioning part 3-2 comprises a mounting seat 10, a telescopic positioning rod 11, a positioning pin sliding sleeve 12 and a positioning pin 4; the mount pad 10 sets up the up end at anchor clamps body coupling portion 7, and telescopic locating lever 11's stiff end is connected with mount pad 10, and telescopic locating lever 11's flexible end is connected with locating pin sliding sleeve 12, and vertical slip is provided with locating pin 4 in the locating pin sliding sleeve 12, and is provided with elastic telescopic machanism between locating pin 4 and the locating pin sliding sleeve 12, and elastic telescopic machanism drives locating pin 4 downward movement.
In this embodiment, the two sides of the locating pin sliding sleeve 12 are symmetrically provided with a bar-shaped through hole 13, a connecting block 14 is arranged above the bar-shaped through hole 13, the two sides of the locating pin 4 are symmetrically provided with a locating pin driving block 15, the locating pin driving block 15 is slidably arranged in the bar-shaped through hole 13, and an elastic telescopic mechanism is arranged between the connecting block 14 and the locating pin driving block 15. Through the structure, when the assembly personnel fix the ball valve, firstly, two symmetrically arranged mounting holes on the connecting flange at the bottom of the ball valve are placed on the straight line where the telescopic positioning rod 11 is located, and then the positioning pin 4 is lifted and the end parts of the positioning pin 4 are placed on two sides of the upper surface of the connecting flange. When the hydraulic driving module drives the two clamp bodies 3 to move relatively, the locating pin 4 at the end part of the locating rod automatically moves towards the mounting hole of the connecting flange along the direction of the through hole in the mounting seat 10, the bottom end of the locating pin 4 is always attached to the upper surface of the connecting flange under the action of the elastic telescopic mechanism, and after the bottom end of the locating pin 4 reaches the mounting hole of the connecting flange, the locating pin 4 automatically descends to be inserted into the mounting hole to locate the connecting flange, so that the connecting flange can be effectively prevented from rotating in the circumferential direction. In order to prevent the bottom end of the positioning pin 4 from damaging the surface of the connecting flange, a ball accommodating cavity is formed in the bottom end of the positioning pin 4, and balls 16 are arranged in the ball accommodating cavity. When the ball valve is replaced, the positioning pin 4 is lifted, and the two clamp bodies 3 are driven to move in opposite directions through the hydraulic driving module.
As shown in fig. 4, the special workbench for ball valve assembly of the present utility model includes the special hydraulic clamp for ball valve assembly, and the specific structure of the special hydraulic clamp for ball valve assembly is defined clearly in the above, and is not described herein. Support legs 16 are also arranged at four corners of the lower surface of the table top 1 for supporting the table top 1.
Claims (10)
1. The utility model provides a special hydraulic clamp of ball valve equipment, includes mesa, its characterized in that: the table top is provided with a sliding groove, two symmetrically arranged clamp bodies are protruded out of the table top and are in sliding connection with the table top through the sliding groove, and a clamp body hydraulic driving system for driving the two clamp bodies to synchronously move is arranged below the table top; the clamp body comprises a clamping part and a positioning part; the clamping surface of the clamping part is arc-shaped, and the clamping part is used for clamping the circumferential surface of the connecting flange at the lower part of the ball valve; the locating part is including being provided with the locating pin of elasticity telescopic machanism, and the locating pin is used for carrying out the location to the mounting hole on the flange of ball valve lower part.
2. The ball valve assembly-specific hydraulic clamp of claim 1, wherein: the clamp body hydraulic driving system comprises a sliding module and a hydraulic driving module; the sliding module comprises sliding blocks, sliding rails and a clamp body connecting part, wherein the two groups of sliding rails are arranged below the table top in a front-back symmetrical way, and the left side and the right side of each sliding rail are correspondingly provided with one sliding block in a sliding way; a clamp body connecting part is arranged between two sliding blocks on two sliding rails on the same side, the front end and the rear end of the clamp body connecting part are respectively positioned in corresponding sliding grooves, and the opposite sides of the two clamp body connecting parts are respectively connected with a clamp body; the hydraulic driving module drives the connecting parts of the two clamp bodies to synchronously move.
3. The ball valve assembly-specific hydraulic clamp of claim 2, wherein: the hydraulic driving module comprises two groups of hydraulic cylinders symmetrically arranged below the left side and the right side of the table top, and the output ends of the hydraulic cylinders are connected with the connecting parts of the clamp body; both sets of hydraulic cylinders are controlled by a hydraulic control module.
4. The ball valve assembly-specific hydraulic clamp of claim 2, wherein: the clamping device is characterized in that an arc-shaped dovetail groove is formed in the surface of one side, connected with the clamping device body, of the clamping device body, the clamping portion is in a fan ring shape, an adaptive dovetail sliding block is arranged on the corresponding side of the clamping portion, and the clamping portion is spliced with the clamping device body through the dovetail sliding block and the dovetail groove.
5. The ball valve assembly-specific hydraulic clamp of claim 2, wherein: the positioning part comprises a mounting seat, a telescopic positioning rod, a positioning pin sliding sleeve and a positioning pin; the mount pad sets up the up end at anchor clamps body coupling portion, and telescopic locating lever's stiff end is connected with the mount pad, and telescopic locating lever's flexible end is connected with the locating pin sliding sleeve, and vertical slip is provided with the locating pin in the locating pin sliding sleeve, and is provided with elastic telescoping mechanism between locating pin and the locating pin sliding sleeve, and elastic telescoping mechanism drives the locating pin and move down.
6. The ball valve assembly-specific hydraulic clamp of claim 5, wherein: the positioning pin sliding sleeve is characterized in that strip-shaped through holes are symmetrically formed in two sides of the positioning pin sliding sleeve, connecting blocks are arranged above the strip-shaped through holes, positioning pin driving blocks are symmetrically arranged on two sides of the positioning pin, the positioning pin driving blocks are arranged in the strip-shaped through holes in a sliding mode, and the elastic telescopic mechanism is arranged between the connecting blocks and the positioning pin driving blocks.
7. The ball valve assembly-specific hydraulic clamp of claim 1, wherein: the bottom of locating pin be provided with the ball accommodation chamber, the ball is provided with the ball in the ball accommodation chamber.
8. A ball valve assembly specific hydraulic clamp as defined in claim 3, wherein: the two groups of hydraulic cylinders share the same oil cylinder.
9. A ball valve assembly specific hydraulic clamp as defined in claim 3, wherein: the hydraulic control module adopts a pedal.
10. A special workstation of ball valve equipment, its characterized in that: a hydraulic clamp special for assembling a ball valve according to any one of claims 1 to 9; support legs are arranged at four corners of the lower surface of the table top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322022342.0U CN220446321U (en) | 2023-07-31 | 2023-07-31 | Hydraulic clamp special for ball valve assembly and workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322022342.0U CN220446321U (en) | 2023-07-31 | 2023-07-31 | Hydraulic clamp special for ball valve assembly and workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220446321U true CN220446321U (en) | 2024-02-06 |
Family
ID=89730082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322022342.0U Active CN220446321U (en) | 2023-07-31 | 2023-07-31 | Hydraulic clamp special for ball valve assembly and workbench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220446321U (en) |
-
2023
- 2023-07-31 CN CN202322022342.0U patent/CN220446321U/en active Active
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