CN219704950U - Single screw pump mechanical seal installation and maintenance tool - Google Patents
Single screw pump mechanical seal installation and maintenance tool Download PDFInfo
- Publication number
- CN219704950U CN219704950U CN202321002964.0U CN202321002964U CN219704950U CN 219704950 U CN219704950 U CN 219704950U CN 202321002964 U CN202321002964 U CN 202321002964U CN 219704950 U CN219704950 U CN 219704950U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- hole
- mechanical seal
- end plate
- single screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000009434 installation Methods 0.000 title claims abstract description 27
- 238000012423 maintenance Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 abstract description 19
- 238000007906 compression Methods 0.000 abstract description 19
- 230000008878 coupling Effects 0.000 abstract description 6
- 238000010168 coupling process Methods 0.000 abstract description 6
- 238000005859 coupling reaction Methods 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 3
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 230000003068 static effect Effects 0.000 description 5
- 238000011900 installation process Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Mechanical Sealing (AREA)
Abstract
The utility model provides a single screw pump mechanical seal installs maintenance instrument, includes the sleeve, sleeve one end rigid coupling has the end plate, the end plate is equipped with first through-hole, first through-hole with sleeve axis coincidence, sleeve sliding connection has measuring mechanism, measuring mechanism one end connect in the end plate, first through-hole activity is passed there is the bolt, bolt screw thread end activity is passed measuring mechanism. The sleeve end can laminate in the quiet ring of machine seal in this instrument, after the screw bolt spiro union in the screw hole that the pump body axle reserved, the head of bolt can press the end plate and pass through the quiet ring of sleeve push machine seal and make its compressor seal interior spring to the compression volume of requirement to realize that one accomplishes the installation work of machine seal, the sleeve laminate in the slide of pump body axle relatively and remove, the scale change that the arch of slide corresponds is the compression volume of mechanical seal interior spring promptly, thereby can be more convenient, accurate observe the compression volume of mechanical seal interior spring, reduced intensity of labour and still improved the quality simultaneously.
Description
Technical Field
The utility model relates to the technical field of mechanical seals, in particular to a single screw pump mechanical seal installation and maintenance tool.
Background
The mechanical sealing working principle of the single screw pump is as follows: the pump body shaft seal of the pump body of the screw pump is a single-end surface built-in bulk mechanical seal. It is mainly composed of: the machine seal comprises a machine seal seat, a static ring seal ring, a moving ring seat, a locking screw, a corrugated spring, a moving ring and a moving ring seal ring. The working principle of the mechanical seal is as follows: the movable ring seat is fixed on the pump body shaft through a locking screw, and simultaneously drives the movable ring to rotate together with the pump body shaft through a clamping groove. The movable ring of the mechanical seal is attached to the static ring under the action of the pre-tightening force of the spring, and the surface machining precision of the contact surface of the movable ring and the static ring is very high, so that the effect of dynamic seal is achieved. Because the mechanical seal of the pump is bulk mechanical seal, the elasticity of the spring is large, and the limitation of the shape of the mechanical seal seat is added, the set screw on the movable ring is well arranged while the reasonable compression amount is ensured, and the operation is very difficult. Typically, at least two persons are required to operate, one person presses the stationary ring seat of the machine seal with a hand, the other person measures the compression of the machine seal, and the compression force of the hand is required to adjust the compression, which lasts for several minutes, however, in this process, it is difficult for both hands to adjust the precision of the compression, and the accuracy is maintained. The amount of compression may be adjusted forward but may be changed due to exhaustion of both hands when the set screw is tightened, so that the amount of compression may not meet the requirements after the installation. Therefore, the time of the installation process of the machine seal is longer, the labor intensity is higher, the adjustment of the compression amount of the spring is inaccurate, and the installation quality of the machine seal is difficult to ensure.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and aims to provide a single screw pump mechanical seal installation and maintenance tool which can finish the installation of the mechanical seal by a single person, reduce the labor intensity, reduce the installation process, improve the precision of the compression amount of a spring and ensure the installation quality of the mechanical seal.
The utility model provides a single screw pump mechanical seal installs maintenance instrument, includes the sleeve, sleeve one end rigid coupling has the end plate, the end plate is equipped with first through-hole, first through-hole with sleeve axis coincidence, sleeve sliding connection has measuring mechanism, measuring mechanism one end connect in the end plate, first through-hole activity is passed there is the bolt, bolt screw thread end activity is passed measuring mechanism.
Further, the sleeve is of a hollow tubular structure, openings are formed in two ends of the sleeve, and a plurality of sliding grooves are formed in one end of the side wall of the sleeve at equal intervals.
Further, the outer wall of the sleeve is provided with scale marks, the scale marks are close to the sliding groove, and the scale marks are arranged along the length of the sliding groove.
Further, the measuring mechanism includes a slide plate and a spring.
Further, the edge of the sliding plate is provided with a plurality of protrusions, the protrusions correspond to the sliding grooves one by one, and the protrusions slide into the sliding grooves.
Further, a second through hole is formed in the center of the sliding plate, the second through hole coincides with the axis of the first through hole, and the diameter of the second through hole is the same as that of the first through hole.
Further, one end of the spring is fixedly connected to one side of the sliding plate, the other end of the spring is fixedly connected to the end plate, the diameter of the spring is larger than that of the second through hole, and the axis of the spring is coincident with the axis of the second through hole.
Further, the outer side surface of the end plate is fixedly connected with a first connecting ring, the end part of the bolt is fixedly connected with a second connecting ring, and the second connecting ring and the first connecting ring are connected with a connecting rope.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the end plate is fixedly connected to one end of the sleeve arranged in the tool, a bolt is penetrated through a first through hole arranged in the center of the end plate, the sleeve is sleeved on the pump body shaft, the end part of the sleeve can be attached to the mechanical seal static ring, the bolt is screwed into a reserved threaded hole of the pump body shaft, and the head part of the bolt can press the end plate to enable a spring in a compressor seal to reach required compression amount through the sleeve pushing the mechanical seal static ring, so that one person can finish the installation work of the mechanical seal.
(2) The protruding of slide edge is equipped with the scale mark in the spout of sleeve in this instrument outside the spout, and its slide laminating is in pump body axle terminal surface, and when the sleeve push machine seal quiet ring removed, the sleeve moved in the slide of pump body axle of laminating relatively, the scale change that the protruding corresponds of slide is the sleeve push machine seal quiet ring to the compression volume of mechanical seal inner spring promptly to can be more convenient, clear observe the compression volume of mechanical seal inner spring, make the compression volume of mechanical seal inner spring more accurate, can also one person accomplish the installation of mechanical seal when guaranteeing the installation quality of mechanical seal, not only reduced intensity of labour still improved the installation effectiveness of mechanical seal, guaranteed the installation accuracy of mechanical seal.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a single screw pump mechanical seal installation service tool.
Fig. 2 is an exploded view of a single screw pump mechanical seal installation service tool.
Fig. 3 is a structural cross-sectional view of the mechanical seal of the single screw pump in an operating state in which the service tool is installed.
In the figure: 1. a sleeve; 11. a chute; 12. scale marks; 2. an end plate; 21. a first through hole; 22. a first connection ring; 3. a measuring mechanism; 31. a slide plate; 311. a protrusion; 312. a second through hole; 32. a spring; 4. a bolt; 41. a second connecting ring; 5. a connecting rope; 6. a pump body shaft; 7. and (5) mechanically sealing the stationary ring.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, a single screw pump mechanical seal installs maintenance tool, including sleeve 1, sleeve 1 is hollow tubular structure, sleeve 1 both ends all are equipped with the opening, four spouts 11 have been seted up to equidistant one end of sleeve 1 lateral wall, sleeve 1 outer wall is equipped with scale mark 12, scale mark 12 leans on one of them spout 11 edge, scale mark 12 sets up along the length of spout 11, sleeve 1 one end rigid coupling has end plate 2, end plate 2 seals an opening of sleeve 1, end plate 2 central authorities have seted up first through-hole 21, the axis coincidence of first through-hole 21 and sleeve 1, end plate 2 one side rigid coupling has first go-between 22, first through-hole 21 activity on end plate 2 has passed bolt 4, bolt 4 tip rigid coupling has second go-between 41, fixedly connected with connecting rope 5 between first go-between 22 and the second go-between 41, sleeve 1 one end rigid coupling that is equipped with in this tool has end plate 2, end plate 2 central authorities are equipped with first through-hole 21 and have worn bolt 4, sleeve 1 cup joints behind on pump body axle 6, end plate 1 can laminate in end plate 7, 4 screw-in end plate 6 screw-in end plate 1 can press the compressor seal ring, end plate 4 is equipped with end plate 1, the compressor can realize the compressor head through the end plate 4, the compressor has been equipped with end plate 4, thereby the compressor seal of the compressor can be realized to the compressor end plate is equipped with the compressor end plate 7, the compressor has through the end plate is equipped with the compressor seal of the end plate, and has.
The sleeve 1 is slidably connected with the measuring mechanism 3, the measuring mechanism 3 comprises a sliding plate 31 and a spring 32, the sliding plate 31 is slidably arranged in the sleeve 1, the sliding plate 31 is parallel to the end plate 2, four bulges 311 are arranged at the edge of the sliding plate 31 at equal intervals, the four bulges 311 are in one-to-one correspondence with the four sliding grooves 11 on the sleeve 1, the four bulges 311 are embedded in the four sliding grooves 11, the four bulges 311 respectively slide along the four sliding grooves 11, a second through hole 312 is arranged in the center of the sliding plate 31, the axis of the second through hole 312 coincides with the axis of the first through hole 21, the diameter of the second through hole 312 is the same as the diameter of the first through hole 21, the stiffness coefficient of the spring in the embodiment is smaller than the stiffness coefficient of the spring 32 in the Shan Luo rod type pump mechanical seal, one end of the spring 32 is fixedly connected to one side of the sliding plate 31, the other end of the spring 32 is fixedly connected to the end plate 2, the diameter of the spring 32 is larger than the diameter of the second through hole 312, the diameter of the spring 32 is smaller than that of the sliding plate 31, the axis of the spring 32 is coincident with that of the second through hole 312, wherein the threaded end of the bolt 4 sequentially passes through the first through hole 21, the spring 32 and the second through hole 312, the bulge 311 at the edge of the sliding plate 31 in the tool is slidingly embedded into the chute 11 of the sleeve 1, the scale mark 12 is arranged outside the chute 11, the sliding plate 31 is attached to the end surface of the pump body shaft 6, when the sleeve 1 pushes the seal stationary ring 7 to move, the sleeve 1 moves relative to the sliding plate 31 attached to the pump body shaft 6, the corresponding scale change of the bulge 311 of the sliding plate 31 is the compression amount of the sleeve 1 pushing the seal stationary ring 7 to the mechanical seal inner spring 32, so that the compression amount of the mechanical seal inner spring 32 can be observed more conveniently and clearly, the compression of the mechanical seal inner spring 32 is more accurate, the installation quality of the mechanical seal is ensured, and the installation of the mechanical seal can be completed by one person, not only reduces the labor intensity, but also improves the installation efficiency of the machine seal.
As shown in fig. 3, in this embodiment, when in use, the sleeve 1 is sleeved at one end of the pump body shaft 6 in the Shan Luo rod pump, after the slide plate 31 is attached to the pump body shaft 6, the sleeve 1 is pushed along the direction of the pump body shaft 6, the slide plate 31 compresses the spring 32 and slides relative to the sleeve 1, the sleeve 1 is attached to the mechanically sealed stationary ring 7 towards the end of the pump body, then the sleeve 1 stops pushing the sleeve 1, at this time, in a state of keeping the mechanically sealed inner spring 32 uncompressed, the bolt 4 passes through the first through hole 21 and the second through hole 312 and is screwed to a reserved screw hole provided at the end of the pump body shaft 6, the nut of the bolt 4 is attached to the end plate 2, at this time, the scale mark 12 corresponding to the protrusion 311 on the side of the slide plate 31 is marked as L1, then the bolt 4 is screwed, the bolt 4 is pushed through the end plate 2 and the sleeve 1 pushes the mechanically sealed stationary ring 7, the mechanically sealed inner spring 32 is compressed, in this process, the slide plate 31 slides relative to the sleeve 1 again, at this time, the scale mark 12 corresponding to the protrusion 311 on the slide plate 31 is L2, the spring 32 is compressed, and the screw seat is screwed after the compressed, and the screw seat is screwed tightly.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a single screw pump mechanical seal installation maintenance instrument, includes sleeve (1), its characterized in that: end plate (2) has been fixed with to sleeve (1) one end, end plate (2) are equipped with first through-hole (21), first through-hole (21) with sleeve (1) axis coincidence, sleeve (1) sliding connection has measuring mechanism (3), measuring mechanism (3) one end connect in end plate (2), first through-hole (21) activity is passed there is bolt (4), bolt (4) screw thread end activity is passed measuring mechanism (3).
2. The single screw pump mechanical seal installation service tool of claim 1, wherein: the sleeve (1) is of a hollow tubular structure, openings are formed in two ends of the sleeve (1), and a plurality of sliding grooves (11) are formed in one end of the side wall of the sleeve (1) at equal intervals.
3. The single screw pump mechanical seal installation service tool of claim 2, wherein: the outer wall of the sleeve (1) is provided with scale marks (12), the scale marks (12) are close to the sliding groove (11), and the scale marks (12) are arranged along the length of the sliding groove (11).
4. A single screw pump mechanical seal installation service tool according to claim 3, wherein: the measuring mechanism (3) comprises a sliding plate (31) and a spring (32).
5. The single screw pump mechanical seal installation service tool of claim 4, wherein: the edge of the sliding plate (31) is provided with a plurality of protrusions (311), the protrusions (311) are in one-to-one correspondence with the sliding grooves (11), and the protrusions (311) penetrate into the sliding grooves (11) in a sliding mode.
6. The single screw pump mechanical seal installation service tool of claim 5, wherein: the center of the sliding plate (31) is provided with a second through hole (312), the second through hole (312) is coincident with the axis of the first through hole (21), and the diameter of the second through hole (312) is the same as that of the first through hole (21).
7. The single screw pump mechanical seal installation service tool of claim 6, wherein: one end of the spring (32) is fixedly connected to one side of the sliding plate (31), the other end of the spring (32) is fixedly connected to the end plate (2), the diameter of the spring (32) is larger than that of the second through hole (312), and the axis of the spring (32) is coincident with the axis of the second through hole (312).
8. The single screw pump mechanical seal installation service tool of claim 7, wherein: the outer side face of the end plate (2) is fixedly connected with a first connecting ring (22), the end part of the bolt (4) is fixedly connected with a second connecting ring (41), and the second connecting ring (41) and the first connecting ring (22) are connected with a connecting rope (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321002964.0U CN219704950U (en) | 2023-04-28 | 2023-04-28 | Single screw pump mechanical seal installation and maintenance tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321002964.0U CN219704950U (en) | 2023-04-28 | 2023-04-28 | Single screw pump mechanical seal installation and maintenance tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219704950U true CN219704950U (en) | 2023-09-19 |
Family
ID=88014901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321002964.0U Active CN219704950U (en) | 2023-04-28 | 2023-04-28 | Single screw pump mechanical seal installation and maintenance tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219704950U (en) |
-
2023
- 2023-04-28 CN CN202321002964.0U patent/CN219704950U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219704950U (en) | Single screw pump mechanical seal installation and maintenance tool | |
| CN217638332U (en) | Hardness detection equipment for communication product shell | |
| CN110193741A (en) | A kind of be machined fixes device with horizontal tubing | |
| CN210756487U (en) | Novel vacuum milling and clamping universal tool | |
| CN209140264U (en) | A kind of gearbox timing gear press-fitting tool | |
| CN109261842B (en) | One kind using stamping equipment for C-shaped sealing ring production | |
| CN218297848U (en) | Sealant performance test detection equipment | |
| CN216098324U (en) | Grinding tool convenient to replace | |
| CN211916142U (en) | Floating pressure plate head with adjustable clamping force | |
| CN113043039A (en) | Floating pressure plate head with adjustable clamping force | |
| CN107471324A (en) | A kind of guide rail pneumatic locking device with skewback reinforcement structure of timber machining center | |
| CN210147583U (en) | Outer conical surface frock of car | |
| CN207290349U (en) | A kind of guide rail pneumatic locking device with skewback reinforcement structure of timber machining center | |
| CN207736227U (en) | Pneumatic press-fit bushing device | |
| CN208117169U (en) | A kind of speed reducer press fitting positioning device | |
| CN214892923U (en) | Inside micrometer for measuring large workpiece size | |
| CN204842616U (en) | Terrace die die is from leading zero clearance punching device | |
| CN202242059U (en) | Adjusting and fixedly locking device for hydraulic slide block of closed double-point high-speed press | |
| CN219189253U (en) | Novel pneumatic press | |
| CN210062372U (en) | Pneumatic locking adjusting device for gold stamping plate | |
| CN217833372U (en) | Special tooling for positioning and compressing oil cylinder | |
| CN216037938U (en) | Air expansion device with automatic length measuring function | |
| CN216029189U (en) | Press machine ball head gap detection device | |
| CN208019847U (en) | A kind of main shaft of numerical control machine tool tool-broaching mechanism | |
| CN209818112U (en) | Cylinder bears fixing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |