CN218462079U - Coal mine underground slurry pump valve seat dismounting device - Google Patents
Coal mine underground slurry pump valve seat dismounting device Download PDFInfo
- Publication number
- CN218462079U CN218462079U CN202222652439.5U CN202222652439U CN218462079U CN 218462079 U CN218462079 U CN 218462079U CN 202222652439 U CN202222652439 U CN 202222652439U CN 218462079 U CN218462079 U CN 218462079U
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- valve seat
- pull rod
- mud pump
- eccentric block
- positioning piece
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- 239000002002 slurry Substances 0.000 title claims abstract description 16
- 239000003245 coal Substances 0.000 title claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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- Details Of Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a colliery is mud pump disk seat dismounting device in pit, including cushion and pull rod, the one end at the pull rod is established to the cushion cover, and the horizontal length of cushion is greater than the internal diameter d1 of mud pump valve body, and the horizontal length of pull rod is less than mud pump disk seat centre bore internal diameter d2, and the vertical length of pull rod is greater than the vertical length of mud pump valve body, colliery is mud pump disk seat dismounting device in pit still includes: the positioning piece and the eccentric block are sleeved at the other end of the pull rod at a preset distance, the positioning piece is arranged close to the end part of the pull rod, and the preset distance is smaller than the vertical height of the mud pump valve seat; the transverse length of the positioning piece is not more than the inner diameter d2 of the central hole of the slurry pump valve seat; the eccentric block is semi-cylindrical and can extend into a central hole of the slurry pump valve seat, and the sum of the transverse lengths of the eccentric block and the positioning piece is larger than the inner diameter d2 of the central hole of the slurry pump valve seat.
Description
Technical Field
The utility model belongs to the technical field of colliery machinery maintenance of equipment, concretely relates to colliery mud pump disk seat dismounting device in pit.
Background
In the technical field of directional drilling under a coal mine, a mud pump is one of indispensable devices as a main power source, the mud pump needs to work under high pressure and large flow, so that a valve core frequently impacts a valve seat under high pressure, the valve seat is frequently damaged, and the valve seat needs to be replaced at the moment.
As shown in fig. 1, in a common valve seat replacing device, a rotating block on a pull rod needs to be inserted into the bottom of a valve seat in a use process to be in contact with a mud pump body, the rotating block needs to be ensured to be kept in a vertical state when the rotating block is inserted into the bottom of the valve seat so as to be inserted into the bottom of the valve seat, and the rotating block needs to be ensured to be kept in a horizontal state after the rotating block is inserted into the bottom of the valve seat so as to be in contact with the mud pump body.
Disclosure of Invention
Not enough to prior art exists, the utility model aims to provide a colliery is mud pump disk seat dismounting device in pit solves the problem that prior art exists.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides a colliery is mud pump disk seat dismounting device in pit, includes cushion and pull rod, and the one end at the pull rod is established to the cushion cover, and the horizontal length of cushion is greater than the internal diameter d1 of mud pump valve body, and the horizontal length of pull rod is less than slush pump disk seat centre bore internal diameter d2, and the vertical length of pull rod is greater than the vertical length of mud pump valve body, colliery is mud pump disk seat dismounting device in pit still includes:
the positioning piece and the eccentric block are sleeved at the other end of the pull rod at a preset distance, the positioning piece is arranged close to the end part of the pull rod, and the preset distance is smaller than the vertical height of the mud pump valve seat;
the transverse length of the positioning piece is not more than the inner diameter d2 of the central hole of the slurry pump valve seat;
the eccentric block can extend into a central hole of the mud pump valve seat, the eccentric block is in plug-in connection with the mud pump valve seat, and the sum of the transverse lengths of the eccentric block and the positioning piece is larger than the inner diameter d of the central hole of the mud pump valve seat.
The preset distance between the positioning piece and the eccentric block is half of the vertical height of the mud pump valve seat.
The pull rod is a screw rod, threads are arranged in the cushion block, the positioning piece and the eccentric block and are matched with the screw rod, and the cushion block, the positioning piece and the eccentric block are arranged on the pull rod through thread connecting sleeves.
The coal mine underground slurry pump valve seat dismounting device further comprises:
the power part is internally provided with internal threads and is arranged at one end, close to the cushion block, of the pull rod through a thread connecting sleeve.
The outer peripheral surface of the eccentric block is provided with anti-skid grains.
The cushion block, the pull rod, the positioning piece, the eccentric block and the power piece are all made of steel.
The cushion block is of a cross structure.
Compared with the prior art, the utility model, following technological effect has:
(I) the utility model discloses a colliery is mud pump disk seat dismounting device in pit, set up setting element and eccentric block through the one end at the pull rod, setting element transverse length is not more than mud pump disk seat centre bore internal diameter d2, guarantee that the setting element can pass mud pump disk seat centre bore and mud pump disk seat bottom contact, be less than the vertical height of mud pump disk seat through setting up the distance between setting element and the eccentric block, be bayonet connection between eccentric block and the mud pump disk seat, can guarantee in setting element and mud pump disk seat bottom contact, eccentric block body and mud pump disk seat lateral wall area of contact are big, at this moment, it is fixed with the mud pump disk seat through setting element and eccentric block two point contacts, the cushion is located on the mud pump valve body, exert the pull-out force on the pull rod, can be quick break away from the mud pump disk seat from the mud pump valve body in the colliery, the colliery is mud pump disk seat dismounting device in pit, the structure is ingenious, and the job stabilization nature is strong, the dismantlement work precision of mud pump disk seat is high, great dismantlement efficiency of pump mud valve seat in the pit has been promoted.
Drawings
FIG. 1 is a schematic structural diagram of a prior art mud pump valve seat dismounting device;
FIG. 2 is a schematic view of the structure of the device for detaching the valve seat of the slurry pump in the coal mine;
fig. 3 is a schematic view of the mud pump valve body of the present invention.
The meaning of the individual reference symbols in the figures is:
the device comprises a cushion block 1, a pull rod 2, a mud pump valve body 3, a mud pump valve seat 4, a locating piece 5, an eccentric block 6, a power piece 7 and a body bolt 8.
The following examples are provided to explain the present invention in further detail.
Detailed Description
The following embodiments of the present invention are given, and it should be noted that the present invention is not limited to the following embodiments, and all the equivalent transformations made on the basis of the technical solution of the present application all fall into the protection scope of the present invention.
As used herein, directional terms such as "vertical", "lateral", "height", "length" are intended to correspond to a particular direction on the page in the drawings or to a corresponding direction in space as illustrated in the drawings.
Example (b):
the utility model provides a colliery is mud pump disk seat dismounting device in pit, as shown in fig. 1-3, including cushion 1 and pull rod 2, the one end at pull rod 2 is established to cushion 1 cover, and cushion 1's horizontal length is greater than the internal diameter d1 of slush pump valve body 3, and pull rod 2's horizontal length is less than 4 centre bore internal diameters d2 of slush pump disk seat, and pull rod 2's vertical length is greater than the vertical length of slush pump valve body 3, colliery is mud pump disk seat dismounting device in pit still includes:
the positioning piece 5 and the eccentric block 6 are sleeved at the other end of the pull rod 2 at a preset distance, the positioning piece 5 is arranged close to the end part of the pull rod 2, and the preset distance is smaller than the vertical height of the mud pump valve seat 4;
the transverse length of the positioning piece 5 is not more than the inner diameter d2 of the central hole of the slurry pump valve seat 4;
the eccentric block can extend into a central hole of the mud pump valve seat, the eccentric block is in plug-in connection with the mud pump valve seat, and the sum of the transverse lengths of the eccentric block 6 and the positioning piece 5 is larger than the inner diameter d2 of the central hole of the mud pump valve seat 4.
Wherein, the colliery mud pump disk seat dismounting device in pit of this embodiment, one end through at pull rod 2 sets up setting element 5 and eccentric block 6, the horizontal length of setting element is not more than 4 centre bore internal diameters d2 of slush pump disk seat, guarantee that setting element 5 can pass slush pump disk seat 4 centre bores and slush pump disk seat 4 bottom contact, be less than the vertical height of slush pump disk seat 4 through setting element 5 and the distance between eccentric block 6, be bayonet connection between eccentric block and the slush pump disk seat, can guarantee in setting element 5 and slush pump disk seat 4 bottom contact, eccentric block body and slush pump disk seat lateral wall area of contact are big, at this moment, it is fixed with slush pump disk seat 4 through setting element 5 and 6 two point contacts, cushion 1 is located on slush pump valve body 3, exert pull-up force on pull rod 2, can be quick break away from slush pump disk seat 4 from slush pump valve body 3, the utility model discloses a colliery mud pump disk seat dismounting device in pit, the structure is ingenious, and job stability is strong, disk seat 4's dismantlement degree of accuracy is high, has promoted the colliery disk seat's dismantlement efficiency in pit by a wide margin.
The eccentric mass of the present embodiment is semi-cylindrical.
In a preferred embodiment, the preset distance between the positioning member 5 and the eccentric block 6 is half of the vertical height of the mud pump valve seat 4.
Wherein, set up the distance of predetermineeing that setting element 5 and eccentric block 6 kept and be the half of the vertical height of slush pump valve body 4, when guaranteeing that setting element 5 and eccentric block 6 are all convenient for set up, make the area of contact of eccentric block 6 and 4 inner walls of slush pump disk seat the biggest, promoted setting element 5 and eccentric block 6 to slush pump disk seat 4's steadiness, further improved the stability of this embodiment device application, promoted the work efficiency of this embodiment.
As a preferable scheme of this embodiment, the pull rod 2 is a screw rod, and the cushion block 1, the positioning member 5 and the eccentric block 6 are all provided with threads matching with the screw rod and are connected to the pull rod 2 through a thread connection sleeve.
Wherein, pull rod 2 sets up to the screw rod, screw thread and screw rod matching are all established to cushion 1, setting element 5 and eccentric block 6, establish on pull rod 2 through the thread connection cover, and threaded connection is common connected mode, and when the simple operation, can adjust setting element 5 and eccentric block 6 position on pull rod 2 at any time to the adaptation is the slush pump without specification model, has promoted the general type of this embodiment.
As a preferred scheme of this embodiment, colliery is mud pump valve seat dismounting device in pit still includes:
the power part 7 is internally provided with threads, and is arranged at one end of the pull rod 2 close to the cushion block 1 through a thread connecting sleeve.
Wherein, through setting up power piece and 2 threaded connection of pull rod, when using, only need an operator fixed pull rod 2 in one hand, the other hand precession power piece 7, setting element 5 produces rotatory and ascending effort promptly to slush pump valve seat 4, makes slush pump valve seat 4 break away from with slush pump valve body 3, the simple operation.
As a preferable scheme of this embodiment, the outer circumferential surface of the eccentric block 6 is provided with anti-slip threads.
The anti-slip threads are arranged on the outer peripheral surface of the eccentric block 6, so that the contact stability of the eccentric block 6 and the mud pump valve seat 4 can be further improved, and the working efficiency of the embodiment is improved again.
As a preferable scheme of this embodiment, the cushion block 1, the pull rod 2, the positioning element 5, the eccentric block 6 and the power element 7 are made of steel.
The cushion block 1, the pull rod 2, the positioning piece 5, the eccentric block 6 and the power piece 7 are all made of steel, so that the connection rigidity among all the parts is increased, and the stability of the device is improved.
As a preferable solution of this embodiment, the cushion block 1 has a cross-shaped structure.
Wherein, cushion 1 adopts cruciform structure, can effectually avoid the influence of slush pump body bolt to this embodiment.
The working process of the embodiment is as follows:
firstly, arranging a positioning piece 5 and an eccentric block 6 at one end of a pull rod 2 according to a preset distance;
secondly, one end of the pull rod 2, which is provided with a positioning piece 5 and an eccentric block 6, extends into the mud pump valve body 3 and the mud pump valve seat 4, when the positioning piece 5 completely enters the mud pump valve seat 4, the eccentric block 6 can enable the positioning piece 5 to move towards one side of the mud pump valve seat 4, the positioning piece 5 is enabled to be in contact with the bottom of the mud pump valve seat 4, and the eccentric block 6 is enabled to be in contact with the side wall of the mud pump valve seat 4;
then, the cushion block 1 is sleeved on the pull rod 2 from the other end of the pull rod 2, the cushion block 1 is in contact with the mud pump valve body 3, the power piece 7 is sleeved on the pull rod 2, the power piece 7 is connected with the cushion block 1, the power piece 7 is screwed in, and the pull rod 2 can move upwards to drive the mud pump valve seat 4 to move upwards to be separated from the mud pump valve body 3.
Claims (7)
1. The utility model provides a colliery is mud pump disk seat dismounting device in pit, includes cushion (1) and pull rod (2), and the one end in pull rod (2) is established in cushion (1) cover, and the horizontal length of cushion (1) is greater than the internal diameter d1 of slush pump valve body (3), and the horizontal length of pull rod (2) is less than mud pump disk seat (4) centre bore internal diameter d2, and the vertical length of pull rod (2) is greater than the vertical length of slush pump valve body (3), its characterized in that, the colliery is mud pump disk seat dismounting device in pit still includes:
the positioning piece (5) and the eccentric block (6) are sleeved at the other end of the pull rod (2) at a preset distance, the positioning piece (5) is arranged close to the end part of the pull rod (2), and the preset distance is smaller than the vertical height of the mud pump valve seat (4);
the transverse length of the positioning piece (5) is not more than the inner diameter d2 of the central hole of the slurry pump valve seat (4);
the eccentric block (6) can stretch into the center hole of the mud pump valve seat (4), the eccentric block (6) is connected with the mud pump valve seat (4) in an insertion mode, and the sum of the transverse lengths of the eccentric block (6) and the positioning piece (5) is larger than the inner diameter d2 of the center hole of the mud pump valve seat (4).
2. The device for detaching the valve seat of the mud pump in the coal mine according to claim 1, wherein the preset distance between the positioning piece (5) and the eccentric block (6) is half of the vertical height of the valve seat (4) of the mud pump.
3. The device for detaching the valve seat of the slurry pump in the coal mine well according to claim 1, wherein the pull rod (2) is a screw rod, threads are arranged in the cushion block (1), the positioning piece (5) and the eccentric block (6) to be matched with the screw rod, and the cushion block, the positioning piece and the eccentric block are arranged on the pull rod (2) through thread connecting sleeves.
4. The device for dismounting the valve seat of the slurry pump in the coal mine according to claim 3, wherein the device for dismounting the valve seat of the slurry pump in the coal mine further comprises:
the power part (7) is internally provided with a thread, and is connected with one end of the pull rod (2) close to the cushion block (1) through the thread.
5. The device for detaching the valve seat of the slurry pump in the coal mine well according to the claim 1, wherein the outer peripheral surface of the eccentric block (6) is provided with anti-skid grains.
6. The device for detaching the valve seat of the slurry pump in the coal mine well according to the claim 1, wherein the cushion block (1), the pull rod (2), the positioning piece (5), the eccentric block (6) and the power piece (7) are made of steel.
7. The device for detaching the valve seat of the slurry pump in the coal mine according to claim 1, wherein the cushion block (1) is of a cross-shaped structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222652439.5U CN218462079U (en) | 2022-10-09 | 2022-10-09 | Coal mine underground slurry pump valve seat dismounting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222652439.5U CN218462079U (en) | 2022-10-09 | 2022-10-09 | Coal mine underground slurry pump valve seat dismounting device |
Publications (1)
Publication Number | Publication Date |
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CN218462079U true CN218462079U (en) | 2023-02-10 |
Family
ID=85147203
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202222652439.5U Active CN218462079U (en) | 2022-10-09 | 2022-10-09 | Coal mine underground slurry pump valve seat dismounting device |
Country Status (1)
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CN (1) | CN218462079U (en) |
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2022
- 2022-10-09 CN CN202222652439.5U patent/CN218462079U/en active Active
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