CN220227096U - Hydraulic slurry pump sealing device - Google Patents
Hydraulic slurry pump sealing device Download PDFInfo
- Publication number
- CN220227096U CN220227096U CN202321766569.XU CN202321766569U CN220227096U CN 220227096 U CN220227096 U CN 220227096U CN 202321766569 U CN202321766569 U CN 202321766569U CN 220227096 U CN220227096 U CN 220227096U
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- CN
- China
- Prior art keywords
- plunger
- hydraulic pump
- hydraulic
- connecting cover
- shaped rubber
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- 239000002002 slurry Substances 0.000 title claims abstract description 41
- 238000007789 sealing Methods 0.000 title claims abstract description 26
- 238000005461 lubrication Methods 0.000 claims abstract description 33
- 238000009434 installation Methods 0.000 claims description 10
- 239000010687 lubricating oil Substances 0.000 description 16
- 238000007790 scraping Methods 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Abstract
The utility model discloses a hydraulic slurry pump sealing device, which comprises a hydraulic pump housing, wherein a connecting cover is detachably arranged at the top of the hydraulic pump housing, a plunger is slidably connected in the top of the hydraulic pump housing, a sealing structure is arranged between the hydraulic pump housing and the connecting cover, a mounting cavity is arranged in the hydraulic pump housing and the connecting cover, one end of the plunger penetrates through the mounting cavity, a mounting ring is fixedly arranged in the mounting cavity, a V-shaped rubber ring is fixedly arranged in the mounting ring, the V-shaped rubber ring is sleeved on the surface of the plunger, and the V-shaped rubber ring is tightly contacted with the surface of the plunger; a lubrication chamber is arranged above the hydraulic pump housing, the top of the plunger penetrates out of the lubrication chamber, a dustproof gasket is arranged in the lubrication chamber, and the dustproof gasket is sleeved on the surface of the plunger; through setting up seal structure, V-arrangement rubber circle can strike off the tiny mud film in plunger surface when the plunger removes and seal, prevents that mud from causing the pollution to the lubrication chamber.
Description
Technical Field
The utility model relates to the technical field of slurry pumps, in particular to a hydraulic slurry pump sealing device.
Background
A mud pump, which is a machine that delivers flushing fluid such as mud or water into a borehole during drilling, is an important component of drilling equipment. The utility model provides a slurry pump needs to prevent with sealing device in the course of the work that mud from entering into the pump body inside, like the sealing device of a high pressure slurry pump plunger of publication number CN215170587U, including the slurry pump shell, the top of slurry pump shell is provided with the slurry pump lid, the top fixedly connected with lubrication storehouse of slurry pump lid, be provided with a plunger in the slurry pump shell, the one end of plunger runs through slurry pump shell, slurry pump lid and lubrication storehouse setting.
In order to filter the slurry on the surface of the plunger, the slurry pump is sleeved on the surface of the plunger through an arc-shaped scraping plate, and the scraping plate scrapes the slurry when the plunger moves; however, the arc-shaped scraping plate and the plunger need to slide relatively, and a gap is necessarily reserved between the scraping plate and the plunger, so that liquid mud can be uniformly smeared on the surface of the plunger when the scraping plate scrapes mud on the surface of the plunger, and the liquid mud cannot be cleaned; the mud film which cannot be cleaned by the arc scraping plate easily causes pollution to the inside of the pump body.
Disclosure of Invention
The utility model aims to solve the problem that a hard arc scraper blade in the background art can form a mud film on the surface of a plunger and cannot thoroughly clean mud, and provides a hydraulic mud pump sealing device.
The aim of the utility model can be achieved by the following technical scheme:
the utility model provides a hydraulic slurry pump sealing device, includes hydraulic pump housing, and hydraulic pump housing's top detachable is provided with the junction cap, and hydraulic pump housing's inside slidable in top is connected with the plunger, its characterized in that is provided with seal structure between hydraulic pump housing and the junction cap, seal structure includes:
the installation cavity is arranged in the hydraulic pump shell and the connecting cover, the hydraulic pump shell is communicated with the installation cavity of the connecting cover, and one end of the plunger penetrates through the installation cavity;
the mounting ring is fixedly arranged in the mounting cavity of the pressure pump shell and the connecting cover, a V-shaped rubber ring is fixedly arranged in the mounting ring, the V-shaped rubber ring is sleeved on the surface of the plunger, and the V-shaped rubber ring is tightly contacted with the surface of the plunger;
a lubrication chamber is arranged above the hydraulic pump housing, the top of the plunger penetrates out of the lubrication chamber, a dustproof gasket is arranged in the lubrication chamber, and the dustproof gasket is sleeved on the surface of the plunger.
As a further scheme of the utility model: the hydraulic pump shell is internally provided with a working inner cavity, mounting rods are arranged on two sides of the working inner cavity, an annular filter plate is arranged between the mounting rods on two sides, and the filter plate is sleeved on the surface of the plunger.
As a further scheme of the utility model: the plunger is provided with two connecting blocks on the surface of lubrication chamber, fixedly provided with buffer spring between connecting block and the connecting cover.
As a further scheme of the utility model: a fixing bolt is arranged between the hydraulic pump housing and the connecting cover, a fixing nut is connected with the bottom of the fixing bolt in a threaded manner, and the fixing nut is tightly contacted with the surface of the hydraulic pump housing.
As a further scheme of the utility model: a gap is reserved between the upper V-shaped rubber ring and the lower V-shaped rubber ring.
The utility model has the beneficial effects that:
(1) According to the hydraulic slurry pump sealing device, the sealing structure is arranged, slurry on the surface of the plunger is scraped and filtered for the first time by the filter plate, the V-shaped rubber ring can scrape and seal a thin slurry film on the surface of the plunger when the plunger moves, so that pollution to a lubrication chamber caused by slurry is prevented, and when the plunger is attached with lubricating oil, the deformation degree of the V-shaped rubber ring is reduced by the lubricating oil, so that the lubricating oil cannot scrape the lubricating oil, and the surface of the plunger is lubricated as much as possible;
(2) According to the hydraulic slurry pump sealing device, the dustproof gasket is arranged, so that the plunger can drive external dust to pollute the lubrication chamber in the moving process, and meanwhile, the sealing effect is achieved on lubricating oil in the lubrication chamber, and the lubricating oil is prevented from flowing outwards.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic illustration of a hydraulic mud pump seal apparatus of the present utility model;
FIG. 2 is a schematic structural view of the seal structure of the present utility model;
fig. 3 is a schematic view of the structure of the bottom of the connecting rod of the present utility model.
In the figure: 1. a hydraulic pump housing; 11. a working lumen; 12. a mounting rod; 13. a filter plate; 2. a connection cover; 3. a plunger; 4. a sealing structure; 41. a mounting cavity; 42. a mounting ring; 43. v-shaped rubber rings; 5. a lubrication chamber; 51. a lubrication chamber; 52. a connecting block; 53. a buffer spring; 54. a dust-proof gasket; 6. a connecting rod; 61. a fixed rod; 62. a connecting ring; 7. a fixing bolt; 8. and (5) fixing a nut.
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.
Referring to fig. 1-3, the utility model discloses a hydraulic slurry pump sealing device, which comprises a hydraulic pump shell 1, wherein a working inner cavity 11 is arranged in the hydraulic pump shell 1, a plunger 3 is slidably connected to the center of the hydraulic pump shell 1, one end of the plunger 3 extends into the working inner cavity 11, mounting rods 12 are arranged on two sides of the working inner cavity 11, annular filter plates 13 are fixedly arranged between the mounting rods 12 on two sides, the filter plates 13 are sleeved on the circumferential surface of the plunger 3, and a gap is reserved between the filter plates 13 and the plunger 3. The top of the hydraulic pump housing 1 is detachably provided with a connecting cover 2, a fixing bolt 7 is arranged between the hydraulic pump housing 1 and the connecting cover 2, the fixing bolt 7 penetrates through the hydraulic pump housing 1 and the connecting cover 2, a fixing nut 8 is connected to the bottom of the fixing bolt 7 in a threaded manner, and the hydraulic pump housing 1 and the connecting cover 2 are fixedly connected by cooperation between the fixing bolt 7 and the fixing nut 8; the top of the connecting cover 2 is provided with a lubrication chamber 5, the inside of the lubrication chamber 5 is provided with a lubrication cavity 51, the inside of the lubrication cavity 51 is filled with lubricating oil, one end of the plunger 3 penetrates out of the top of the lubrication chamber 5, two sides of the circumferential surface of the plunger 3 are provided with connecting blocks 52, the bottom of the connecting blocks 52 is provided with buffer springs 53, and the bottom of the buffer springs 53 is fixedly connected with the connecting cover 2; the top of the lubrication chamber 51 is provided with a dust-proof gasket 54, and the dust-proof gasket 54 is sleeved on the surface of the plunger 3.
The inside of the hydraulic pump housing 1 and the connecting cover 2 is provided with a sealing structure 4, and a mounting cavity 41 of the sealing structure 4 is arranged inside the hydraulic pump housing 1 and the connecting cover 2; the hydraulic pump housing 1 is communicated with the installation cavity 41 inside the connecting cover 2, the installation cavity 41 is internally provided with installation rings 42, the inner ring of each installation ring 42 is provided with a V-shaped rubber ring 43, the V-shaped rubber rings 43 are sleeved on the circumferential surface of the plunger 3, the V-shaped rubber rings 43 are tightly contacted with the circumferential surface of the plunger 3, and gaps are reserved between the V-shaped rubber rings 43 on the upper side and the lower side, so that the V-shaped rubber rings 43 are rotationally deformed to leave a space.
When the hydraulic slurry pump sealing device is used, the hydraulic transmission in the hydraulic pump drives the plunger 3 to reciprocate back and forth in the hydraulic pump shell 1; the working cavity 11 inside the hydraulic pump housing 1 is filled with slurry, so that the slurry is easy to adhere to the circumferential surface of the plunger 3 in the up-and-down movement process, and the slurry on the surface driven by the plunger 3 enters the transmission device or the lubrication chamber 5, so that the transmission structure is polluted, and the transmission efficiency is reduced. The inside of the working inner cavity 11 is provided with a filter plate 13, the filter plate 13 is sleeved on the surface of the plunger 3 in a circular shape, so that when the plunger 3 reciprocates in slurry, a large block of slurry attached to the surface of the plunger 3 can contact the circular filter plate 13, and the large block of slurry on the surface of an object is scraped and filtered; because a gap is left between the filter plate 13 and the plunger 3, small pieces of slurry on the surface of the plunger 3 cannot be scraped off by the filter plate 13, and the filter plate 13 uniformly spreads the slurry on the circumferential surface of the plunger 3. As the plunger 3 with the surface smeared with mud moves upwards, the plunger 3 drives the closely contacted V-shaped rubber rings 43 to move, the inclined parts at the bottoms of the upper and lower V-shaped rubber rings 43 rotate along with the upward movement of the plunger 3, so that the inclined parts at the bottoms rotate upwards, the contact between the V-shaped rubber rings 43 at the bottoms and the plunger 3 is tighter, the V-shaped rubber rings 43 scrape the smeared mud on the surface of the plunger 3, and the mud is prevented from entering the upper lubrication chamber 5 to pollute the lubrication cavity 51; the plunger 3 drives the connecting block 52 to move upwards, so that the buffer spring 53 is prolonged, the top of the plunger 3 is lubricated by lubricating oil in the lubricating cavity 51, and friction between the plunger 3 and the hydraulic pump housing 1, the connecting cover 2 and the lubricating chamber 5 is reduced. The hydraulic transmission of the hydraulic pump drives the plunger 3 to move downwards, and the connecting block 52 arranged on the surface of the plunger 3 drives the buffer spring 53 to move downwards, so that the plunger 3 is buffered; the provision of the dust-proof washer 54 prevents the plunger 3 from taking outside dust into the lubrication chamber 5 during the movement, thereby contaminating the lubrication chamber 51. The surface of the plunger 3 is lubricated by the lubricating oil, so that the friction force between the plunger 3 and the V-shaped rubber ring 43 in the downward moving process of the plunger 3 is reduced, the V-shaped rubber ring 43 can rotate downwards in a small extent, a small part of the lubricating oil on the surface of the plunger 3 is scraped by the V-shaped rubber ring 43, the movement of the plunger 3 can be lubricated, and the plunger 3 drives the lower fixing rod 61 and the connecting ring 62 to drive slurry in the working inner cavity 11 through the connecting rod 6. After the work is completed, the connection cover 2 and the hydraulic pump housing 1 are removed by contacting the connection between the fixing bolt 7 and the fixing nut 8, so that the two V-shaped rubber rings 43 are removed, cleaned and replaced.
The working principle of the utility model is as follows: according to the hydraulic slurry pump sealing device, the sealing structure 4 is arranged, the V-shaped rubber ring 43 of the sealing structure 4 can be tightly contacted with the plunger 3, slurry on the surface of the plunger 3 can be scraped and filtered for the first time by the filter plate 13, and when the plunger 3 moves, the V-shaped rubber ring 43 can scrape and seal a thin slurry film on the surface of the plunger 3, so that the pollution of the slurry to the lubrication chamber 5 is prevented; when the plunger 3 is attached with lubricating oil, the deformation degree of the V-shaped rubber ring 43 is reduced by the lubricating oil without scraping the lubricating oil, so that the surface of the plunger 3 is lubricated as much as possible by the lubricating oil; through having set up dustproof packing ring 54, dustproof packing ring 54 can make plunger 3 carry external dust pollution lubrication chamber 5 in the removal in-process, plays sealed effect simultaneously to the lubricating oil in the lubrication chamber 5, prevents that lubricating oil from outwards flowing out.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (5)
1. The utility model provides a hydraulic slurry pump sealing device, includes hydraulic pump casing (1), and the top detachable of hydraulic pump casing (1) is provided with connecting cover (2), and the inside slidable in top of hydraulic pump casing (1) is connected with plunger (3), its characterized in that is provided with seal structure (4) between hydraulic pump casing (1) and connecting cover (2), seal structure (4) include:
the installation cavity (41) is arranged in the hydraulic pump shell (1) and the connecting cover (2), the hydraulic pump shell (1) is communicated with the installation cavity (41) of the connecting cover (2), and one end of the plunger (3) penetrates through the installation cavity (41);
the mounting ring (42) is fixedly arranged in the mounting cavity (41) of the pressure pump shell (1) and the connecting cover (2), a V-shaped rubber ring (43) is fixedly arranged in the mounting ring (42), the V-shaped rubber ring (43) is sleeved on the surface of the plunger (3), and the V-shaped rubber ring (43) is tightly contacted with the surface of the plunger (3);
a lubrication chamber (5) is arranged above the hydraulic pump shell (1), the top of the plunger (3) penetrates out of the lubrication chamber (5), a dustproof gasket (54) is arranged in the lubrication chamber (5), and the dustproof gasket (54) is sleeved on the surface of the plunger (3).
2. The hydraulic slurry pump sealing device according to claim 1, wherein a working inner cavity (11) is formed in the hydraulic pump housing (1), mounting rods (12) are arranged on two sides of the working inner cavity (11), an annular filter plate (13) is arranged between the mounting rods (12) on two sides, and the filter plate (13) is sleeved on the surface of the plunger (3).
3. A hydraulic mud pump sealing arrangement according to claim 1, characterized in that the surface of the plunger (3) located in the lubrication chamber (5) is provided with two connection blocks (52), between which connection blocks (52) and the connection cover (2) a buffer spring (53) is fixedly arranged.
4. The hydraulic slurry pump sealing device according to claim 1, characterized in that a fixing bolt (7) is arranged between the hydraulic pump housing (1) and the connecting cover (2), a fixing nut (8) is connected to the bottom of the fixing bolt (7) in a threaded manner, and the fixing nut (8) is in tight contact with the surface of the hydraulic pump housing (1).
5. A hydraulic mud pump sealing arrangement according to claim 1, characterized in that a gap is left between the upper and lower V-shaped rubber rings (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321766569.XU CN220227096U (en) | 2023-07-06 | 2023-07-06 | Hydraulic slurry pump sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321766569.XU CN220227096U (en) | 2023-07-06 | 2023-07-06 | Hydraulic slurry pump sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227096U true CN220227096U (en) | 2023-12-22 |
Family
ID=89195745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321766569.XU Active CN220227096U (en) | 2023-07-06 | 2023-07-06 | Hydraulic slurry pump sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227096U (en) |
-
2023
- 2023-07-06 CN CN202321766569.XU patent/CN220227096U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |