CN213673883U - Plunger pump water seal subassembly assembly and disassembly tools - Google Patents
Plunger pump water seal subassembly assembly and disassembly tools Download PDFInfo
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- CN213673883U CN213673883U CN202022483733.9U CN202022483733U CN213673883U CN 213673883 U CN213673883 U CN 213673883U CN 202022483733 U CN202022483733 U CN 202022483733U CN 213673883 U CN213673883 U CN 213673883U
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- water seal
- expansion sleeve
- seal assembly
- push
- pull device
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Abstract
The utility model discloses a disassembling tool for a water seal assembly of a plunger pump, which comprises an expansion sleeve which penetrates through the center of the water seal assembly and supports the water seal assembly and a push-pull device which is arranged at one end of the expansion sleeve and is used for axially moving the expansion sleeve; the push-pull device is detachably connected with the expansion sleeve, the push-pull device is detachably connected with the water seal box outside the water seal assembly, the push-pull device is arranged on one side of the expansion sleeve, which is close to an opening of the water seal box, an annular boss protruding outwards is arranged on one side of the expansion sleeve, which is far away from the push-pull device, and the water seal assembly is clamped between the boss and the push-pull device. When the push-pull device drives the water seal assembly to move, the water seal assembly is integrally pulled out from the water seal box, all parts of the water seal assembly do not need to be detached in sequence, the disassembly is convenient, the time and the labor are saved, and the damage to auxiliary parts such as a support ring and a support gasket of the water seal assembly can be avoided.
Description
Technical Field
The utility model relates to a plunger pump maintenance technical field especially relates to a plunger pump water seal subassembly assembly and disassembly tools.
Background
The plunger pump is a device for increasing water pressure by utilizing the reciprocating motion of a plunger, a water seal box is arranged on the plunger pump, the water seal box is connected with a pump body of the plunger pump through a flange, and a water seal assembly is arranged in the water seal box and used for sealing between the plunger and the pump body and isolating high-pressure water in the pump body from external connection. Because the plunger has friction with the water seal assembly when moving, and the interior of the pump body is high-pressure water, once the water seal assembly is worn, the leakage of high-pressure water can be caused, and when the water seal assembly is serious, the high-pressure water can be sprayed out to cause accidents, so that the water seal assembly needs to be replaced regularly.
When the water seal assembly is replaced, the water seal tank is communicated with the water seal assembly and is detached from the pump body together, then the gland matched with the seam allowance of the water seal tank is detached, then the auxiliary water seal, the support ring, the main water seal, the support gasket and the like in the water seal assembly are sequentially detached from the water seal tank, the auxiliary water seal and the main water seal need to be replaced due to abrasion, and auxiliary components such as the support ring and the support gasket do not need to be replaced. The dismounting method adopts a screwdriver prying mode. The dismounting mode easily damages auxiliary components such as the support ring, the support gasket and the like, causes unnecessary waste, and is difficult to dismount after the water seal assembly is used for a long time.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a plunger pump water seal subassembly assembly and disassembly tools is provided to solve the problem that plunger pump water seal subassembly dismantles the difficulty.
In order to solve the above problems, the utility model adopts the following technical scheme:
a plunger pump water seal assembly dismounting tool comprises an expansion sleeve which penetrates through the center of a water seal assembly and supports the water seal assembly, and a push-pull device which is arranged at one end of the expansion sleeve and used for enabling the expansion sleeve to move axially; the push-pull device is detachably connected with the expansion sleeve, the push-pull device is detachably connected with the water seal box outside the water seal assembly, the push-pull device is arranged on one side of the expansion sleeve, which is close to an opening of the water seal box, an annular boss protruding outwards is arranged on one side of the expansion sleeve, which is far away from the push-pull device, and the water seal assembly is clamped between the boss and the push-pull device.
Furthermore, an axial opening is formed in the expansion sleeve, inner walls of two ends of the expansion sleeve are conical surfaces, the two conical surfaces are symmetrical, conical blocks matched with the corresponding conical surfaces are arranged at two ends of the expansion sleeve, and butterfly screws used for enabling the two conical blocks to move inwards or outwards in an axial direction synchronously are arranged at outer ends of the conical blocks at one end, far away from the push-pull device, of the expansion sleeve.
Furthermore, the gaps comprise first gaps which are uniformly distributed along the circumference of the expansion sleeve and communicated with one end of the expansion sleeve and second gaps which are uniformly distributed along the circumference of the expansion sleeve and communicated with the other end of the expansion sleeve, the lengths of the first gaps and the second gaps are both greater than 1/2 of the length of the expansion sleeve, and the first gaps and the second gaps are arranged in a staggered mode in the circumferential direction.
Furthermore, the push-pull device comprises a connecting seat arranged on the flange end face of the water seal box, a lead screw coaxial with the expansion sleeve and a lead screw nut which is arranged on one side of the connecting seat far away from the expansion sleeve and is in threaded transmission with the lead screw; the connecting seat is detachably connected with the water seal box, the lead screw is detachably connected with the expansion sleeve, and the lead screw nut is rotatably connected with the connecting seat.
Furthermore, the push-pull device further comprises a clamping sleeve sleeved at one end of the expansion sleeve close to the screw rod, an annular groove with a trapezoidal section is formed in an excircle matched with the clamping sleeve, the clamping sleeve is provided with an annular boss corresponding to the annular groove, the clamping sleeve is fixedly connected with the screw rod, and the maximum radial dimension, the clamping sleeve inner diameter dimension and the water seal assembly inner diameter dimension after the expansion sleeve is unfolded are the same.
The utility model discloses an actively the effect does:
1. the utility model discloses be equipped with and prop the cover that rises in the water seal subassembly and be used for driving the push-and-pull device that the cover axial motion that rises, can realize the dismantlement and the installation to the water seal subassembly. When the push-pull device drives the water seal assembly to move, the water seal assembly is integrally pulled out from the water seal box, all parts of the water seal assembly do not need to be detached in sequence, the disassembly is convenient, the time and the labor are saved, and the damage to auxiliary parts such as a support ring and a support gasket of the water seal assembly can be avoided. When installing new water seal assembly, only need to adorn each part in the water seal assembly in proper order the card on rising, then operation push-and-pull device pushes the water seal assembly into the water seal case, and the installation is rapid, is difficult for causing the destruction to the water seal assembly.
2. The expansion sleeve is stretched or retracted through the first conical block and the second conical block arranged at the two ends of the expansion sleeve, so that the expansion sleeve is easier to penetrate into a hole in the center of the water seal assembly, and the expansion sleeve is easier to pull out from the water seal assembly. When the expansion sleeve is expanded, the outer wall of the expansion sleeve is tightly combined with the inner hole of the water seal assembly, so that the outer parts of all the parts in the water seal assembly are positioned on the same excircle, and the water seal assembly is easier to press into the water seal box.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic view of the outer shape of the expansion sleeve;
FIG. 3 is a schematic view of the outer shape of the snap ring;
in the figure, 1, a handle; 2. a connecting seat; 3. a card sleeve; 4. a snap ring; 5. a gasket; 6. a water seal assembly; 7. a thumb screw; 8. a first tapered block; 9. a boss; 10. expanding sleeves; 11. a second tapered block; 12. water sealing the tank; 13. a lead screw nut; 14. a gland; 15. a lead screw; 16. a first gap; 17. a second gap; 18. and a ring groove.
Detailed Description
As shown in figure 1, the tool for assembling and disassembling the water seal assembly of the plunger pump comprises an expansion sleeve 10 which transversely penetrates through the center of the water seal assembly 6 and supports the water seal assembly, and a push-pull device which is arranged at the left end of the expansion sleeve 10 and is used for enabling the expansion sleeve 10 to axially move. The push-pull device is detachably connected with the expansion sleeve 10, the push-pull device is detachably connected with a water seal box 12 outside the water seal assembly 6, the push-pull device is arranged on the left side of the water seal box 12, the outer circle of the expansion sleeve 10 close to the right end protrudes outwards to form an annular boss 9, the water seal assembly 6 is clamped between the boss 9 and the push-pull device, and the expansion sleeve 10 is made of spring steel.
When the push-pull device drives the water seal assembly 6 to move leftwards, the water seal assembly 6 is integrally detached from the water seal box 12, all parts of the water seal assembly 6 do not need to be detached in sequence, the detachment is convenient, time and labor are saved, and damage to auxiliary parts such as a support ring and a support gasket of the water seal assembly 6 is avoided. When a new water seal assembly 6 is installed, all parts in the water seal assembly 6 are sequentially clamped on the expansion sleeve 10, then the push-pull device is operated, the expansion sleeve 10 moves rightwards, the water seal assembly 6 is pushed into the water seal box 12, installation is rapid, and the water seal assembly 6 is not easy to damage.
As shown in fig. 1 and 2, the swelling sleeve 10 is provided with axial slits, the slits include three first slits 16 uniformly distributed along the circumference of the swelling sleeve 10 and communicated with the left end of the swelling sleeve 10 and three second slits 17 uniformly distributed along the circumference of the swelling sleeve 10 and communicated with the right end of the swelling sleeve 10, the second slits 17 penetrate through the boss 9, the first slits 16 and the second slits 17 are 3/5 the length of the swelling sleeve 10, and the three first slits 16 and the three second slits 17 are arranged in a staggered manner in the circumferential direction. The tail ends of the first gap 16 and the second gap 17 are round holes for reducing stress concentration.
The inner walls at two ends of the expanding sleeve 10 are conical surfaces which are bilaterally symmetrical, the left end of the expanding sleeve 10 is provided with a second conical block 11 used for being matched with the conical surface at the left end of the expanding sleeve, the right end of the expanding sleeve 10 is provided with a first conical block 8 used for being matched with the conical surface at the right end of the expanding sleeve, the right end of the first conical block 8 is provided with a butterfly screw 7, a screw rod of the butterfly screw 7 is connected with the first conical block 8 in a penetrating mode leftwards, and the screw rod is in sliding fit with the first conical block 8 and is in threaded fit with the second conical block 11.
The butterfly screw 7 is screwed to drive the first conical block 8 and the second conical block 11 to move oppositely or reversely at the same time, so that the expansion sleeve 10 is expanded or retracted, the expansion sleeve 10 is easier to penetrate into a hole in the center of the water seal assembly 6, and the expansion sleeve 10 is easier to pull out from the water seal assembly 6. When the expansion sleeve 10 is expanded, the outer wall of the expansion sleeve is tightly combined with the inner hole of the water seal assembly 6, so that the outer parts of all the parts in the water seal assembly 6 are positioned on the same excircle, and the water seal assembly 6 is easier to press into the water seal box 12.
The push-pull device comprises a connecting seat 2 arranged on the flange end face of the left end of the water seal box 12, a lead screw 15 coaxial with the expansion sleeve 10 and a lead screw nut 13 arranged on the left side of the connecting seat 2 and in threaded transmission with the lead screw 15. The connecting seat 2 is a hollow cylinder, the left end of the connecting seat is a blind plate, the right end of the connecting seat is a flange, the inner diameter of the connecting seat 2 is the same as the outer diameter of the water seal assembly 6, and a window is formed in the side wall of the connecting seat 2. The water seal tank 12 and the connecting seat 2 are positioned through a seam allowance, and the flange of the connecting seat 2 and the flange of the water seal tank 12 are sleeved with split type clamping rings 4 shown in figure 3. The inner circle of the clamping ring 4 is provided with a groove with a trapezoidal cross section, and the groove enables the flange of the connecting seat 2 and the flange of the water seal box 12 to be tightly attached. The upper part and the lower part of the clamping ring 4 are mutually clamped through the fastening pieces at the two ends of the clamping ring, so that the connecting seat 2 and the water seal tank 12 are detachably connected. The left end of the connecting seat 2 is fixedly connected with a gland 14 through a screw, the screw nut 13 is clamped between the gland 14 and the connecting seat 2, and the connecting seat 2 and the gland 14 are both rotationally connected with the screw nut 13. And a handle 1 for stirring the lead screw nut 13 to rotate is fixedly connected to the outer circle of the left end of the lead screw nut through threads.
As shown in fig. 1 and 2, the push-pull device further comprises a cylindrical clamping sleeve 3 sleeved at the left end of the expansion sleeve 10, an annular groove 18 with a trapezoidal section is formed in the outer circle of the expansion sleeve 10 close to the left end, an annular bulge matched with the annular groove 18 is formed in the inner wall of the clamping sleeve 3 close to the right end, and the clamping sleeve 3 and the expansion sleeve 10 are detachably connected through the matching of the bulge and the annular groove 18 and the elasticity of the expansion sleeve 10. The clamping sleeve 3 is welded with the lead screw 15, and the maximum radial size of the expanding sleeve 10 after expansion, the inner diameter size of the clamping sleeve 3 and the inner diameter size of the water seal assembly 6 are the same. A gasket 5 sleeved on the expansion sleeve 10 is arranged between the clamping sleeve 3 and the water seal assembly 6, and the inner diameter of the gasket 5 is the same as that of the clamping sleeve 3.
Use the utility model discloses dismantle water seal subassembly 6's operation process does:
1. loosening the thumb screw 7, inserting the expansion sleeve 10 together with the first conical block 8 and the second conical block 11 into the water seal assembly 6 leftwards, and tightly attaching the right end of the water seal assembly 6 to the boss 9;
2. sleeving a gasket 5 on an expansion sleeve 10, connecting a connecting seat 2 with a water seal box 12 through a clamping ring 4, rotating a handle 1 to enable a clamping sleeve 3 to move leftwards, clamping the clamping sleeve 3 at the left end of the expansion sleeve 10, and clamping a water seal assembly 6 between a boss 9 and the gasket 5;
3. the butterfly screw 7 is screwed down to expand the expansion sleeve 10, and the handle 1 is rotated to pull the water seal assembly 6 out of the water seal box 12 leftwards.
Use the utility model discloses installation water seal subassembly 6's operation process does:
1. loosening the thumb screw 7, inserting the expansion sleeve 10 together with the first conical block 8 and the second conical block 11 into the water seal assembly 6 leftwards, enabling the right end of the water seal assembly 6 to be tightly attached to the boss 9, and sleeving the gasket 5 on the expansion sleeve 10;
2. the handle 1 is rotated to move the clamping sleeve 3 to the leftmost end, then the expansion sleeve 10 and the water seal assembly 6 are pushed into the connecting seat 2, the clamping sleeve 3 is arranged at the left end of the expansion sleeve 10, then the butterfly screw 7 is rotated to expand the expansion sleeve 10, and then the connecting seat 2 is connected with the water seal box 12 through the clamping ring 4;
3. the handle 1 is rotated to enable the cutting sleeve 3 to move rightwards, and the water seal assembly is pushed out of the connecting seat 2 and enters the water seal box 12;
4. and loosening the thumb screw 7, taking the expansion sleeve 10 out of the right end of the water seal assembly 6, detaching the clamp ring 4 and taking the connecting seat 2 down.
Claims (5)
1. A plunger pump water seal assembly dismounting tool is characterized by comprising an expansion sleeve (10) which penetrates through the center of a water seal assembly (6) and supports the water seal assembly, and a push-pull device which is arranged at one end of the expansion sleeve (10) and is used for enabling the expansion sleeve (10) to move axially; the push-pull device is detachably connected with the expansion sleeve (10), the push-pull device is detachably connected with a water seal box (12) outside the water seal assembly (6), the push-pull device is arranged on one side, close to an opening of the water seal box (12), of the expansion sleeve (10), one side, far away from the push-pull device, of the expansion sleeve (10) is an annular boss (9) protruding outwards, and the water seal assembly (6) is clamped between the boss (9) and the push-pull device.
2. The disassembling and assembling tool for the water seal assembly of the plunger pump according to claim 1, wherein the expansion sleeve (10) is provided with an axial notch, inner walls of two ends of the expansion sleeve (10) are both conical surfaces, the two conical surfaces are symmetrical to each other, two ends of the expansion sleeve (10) are both provided with conical blocks used for being matched with the corresponding conical surfaces, and the outer end of the conical block at one end of the expansion sleeve (10) far away from the push-pull device is provided with a thumb screw (7) used for enabling the two conical blocks to move axially inwards or outwards synchronously.
3. The plunger pump water seal assembly dismounting tool is characterized in that the gaps comprise first gaps (16) which are uniformly distributed along the circumference of the expansion sleeve (10) and communicated with one end of the expansion sleeve (10) and second gaps (17) which are uniformly distributed along the circumference of the expansion sleeve (10) and communicated with the other end of the expansion sleeve (10), the lengths of the first gaps (16) and the second gaps (17) are both greater than 1/2 of the length of the expansion sleeve (10), and the first gaps (16) and the second gaps (17) are arranged in a staggered mode in the circumferential direction.
4. The disassembling and assembling tool for the water seal assembly of the plunger pump according to claim 1, characterized in that the push-pull device comprises a connecting seat (2) arranged on the flange end face of the water seal box (12), a lead screw (15) coaxial with the expansion sleeve (10) and a lead screw nut (13) arranged on one side of the connecting seat (2) far away from the expansion sleeve (10) and in threaded transmission with the lead screw (15); the connecting seat (2) is detachably connected with the water seal box (12), the lead screw (15) is detachably connected with the expansion sleeve (10), and the lead screw nut (13) is rotatably connected with the connecting seat (2).
5. The disassembling and assembling tool for the water seal assembly of the plunger pump according to claim 4, characterized in that the push-pull device further comprises a clamping sleeve (3) sleeved at one end of the expansion sleeve (10) close to the lead screw (15), the expansion sleeve (10) is provided with a circular groove (18) with a trapezoidal section on an excircle matched with the clamping sleeve (3), the clamping sleeve (3) is provided with an annular boss (9) corresponding to the circular groove (18), the clamping sleeve (3) is fixedly connected with the lead screw (15), and after the expansion sleeve (10) is opened, the maximum radial dimension, the inner diameter dimension of the clamping sleeve (3) and the inner diameter dimension of the water seal assembly (6) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022483733.9U CN213673883U (en) | 2020-11-02 | 2020-11-02 | Plunger pump water seal subassembly assembly and disassembly tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022483733.9U CN213673883U (en) | 2020-11-02 | 2020-11-02 | Plunger pump water seal subassembly assembly and disassembly tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213673883U true CN213673883U (en) | 2021-07-13 |
Family
ID=76727814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022483733.9U Active CN213673883U (en) | 2020-11-02 | 2020-11-02 | Plunger pump water seal subassembly assembly and disassembly tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213673883U (en) |
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2020
- 2020-11-02 CN CN202022483733.9U patent/CN213673883U/en active Active
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