CN207432095U - A kind of plunger pump grease seal installing and taking tool - Google Patents

A kind of plunger pump grease seal installing and taking tool Download PDF

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Publication number
CN207432095U
CN207432095U CN201721282547.0U CN201721282547U CN207432095U CN 207432095 U CN207432095 U CN 207432095U CN 201721282547 U CN201721282547 U CN 201721282547U CN 207432095 U CN207432095 U CN 207432095U
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China
Prior art keywords
oil sealing
mounting ring
plunger
connecting rod
taking tool
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Application number
CN201721282547.0U
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Chinese (zh)
Inventor
刘美红
韦杰
周玉萍
陈寅生
马崇庆
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Priority to CN201721282547.0U priority Critical patent/CN207432095U/en
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Abstract

The utility model discloses a kind of plunger pump grease seal installing and taking tools, are related to oil field operation auxiliary Tools Technology, which includes:Mounting ring and dismounting hook;The internal diameter of mounting ring is more than the outer diameter of plunger;Dismantling hook includes connecting rod and gib head, and connecting rod is set along the axial direction of mounting ring, and one end of connecting rod is fixed with mounting ring, the other end has 15 °~60 ° wedge angles;The distance towards the surface on the inside of mounting ring to installation ring axis of connecting rod is more than the outer diameter of plunger;Gib head and connecting rod are connected towards the surface on the outside of mounting ring;The maximum of the surface of gib head to the distance of installation ring axis is less than the radius of oil sealing box opening.Mounting ring is socketed on plunger promotes oil sealing to complete installation using mounting ring annular end face;Dismounting hook is stretched between oil sealing and plunger so that dismounting hook hooking pulls out oil sealing after living oil sealing.The oil sealing installing and taking tool using when can prevent plowing from plunger, and then ensure the leakproofness between oil sealing and plunger.

Description

A kind of plunger pump grease seal installing and taking tool
Technical field
The utility model is related to oil field operation auxiliary Tools Technology, more particularly to a kind of plunger pump grease seal dress takes work Tool.
Background technology
Plunger pump is the important equipment in flushing operation, and water is pumped into pit shaft by plunger pump, and then is made into well The water injection stratum of cylinder, supplements strata pressure with this, ensures the normal exploitation of oil well.Usual water injecting pump includes sequentially connected Reduction box, plunger and pump head.By reduction box plunger is driven to move horizontally during use, and then pump head is driven to realize suction, it will Water is pumped into pit shaft.Further, being provided in reduction box ensures the machine oil of reduction box normal work, in order to avoid engine oil Dew, is provided in the junction of plunger and reduction box and is socketed on plunger, and the annular oil seal of dynamic sealing is formed with plunger.Generally Oil sealing is standby by rubber system, and its inner wall is provided with multiple ring-shaped depressions, is formed by ring-shaped depression between plunger outer wall It combines closely.And being set on reduction box, there is diameter to be more than plunger outer diameter 3mm~4mm circular open oil sealing boxes, and oil sealing is put It puts in oil sealing box, plunger gos deep into through opening and oil sealing inside reduction box.When in use, due between plunger and oil sealing Friction can cause oil sealing to wear for a long time, reduce the leakproofness of oil sealing, it is therefore desirable to regularly replace plunger pump grease seal.
In the prior art, there is no special instrument when replacing plunger pump grease seal.Usually when taking oil sealing, using steel wire, The instruments such as screwdriver, are stretched between oil sealing and plunger, and prop up the concave medial surface of oil sealing, are exerted a force to oil sealing box outside, and then Oil sealing is driven to depart from oil sealing box.When charge of oil seals, oil sealing is socketed on plunger, is constantly promoted using instruments such as screwdrivers afterwards Oil sealing, until oil sealing enters in oil sealing box.
In the process of implementing the utility model, designer has found that the prior art has at least the following problems:
Taken in the prior art using steel wire, screwdriver when instruments, when charge of oil seals, it is necessary to by steel wire or screwdriver and plunger It is angled to fill at the faying face of oil sealing and plunger, it easily scratches at this time, damage plunger surface.And plunger surface is damaged then The dynamic sealing performance between plunger and oil sealing is directly affected, influences the normal use of plunger pump.
Utility model content
The instrument taken to solve the problems, such as to carry out oil sealing dress in the prior art easily scratches plunger, the utility model embodiment A kind of plunger pump grease seal installing and taking tool is provided, the technical solution is specific as follows:
A kind of plunger pump grease seal installing and taking tool, the oil sealing installing and taking tool include:Mounting ring and dismounting hook;
The internal diameter of the mounting ring is more than the outer diameter of plunger;
The dismounting hook includes connecting rod and gib head,
The connecting rod is set along the axial direction of the mounting ring, and one end of the connecting rod and the mounting ring fix, The other end has 15 °~60 ° wedge angles;Surface on the inside of the direction mounting ring of the connecting rod is to the installation ring axis Distance is more than the outer diameter of the plunger;
The gib head is connected with the surface on the outside of the direction of the connecting rod mounting ring;The surface of the gib head is to institute The maximum for stating the distance of installation ring axis is less than the radius of oil sealing box opening.
Optionally, the internal diameter of the mounting ring is bigger 1mm~2mm than the plunger outer diameter.
Optionally, the length of the connecting rod is more than or equal to 3cm.
Optionally, the thickness of the connecting rod is less than the wall thickness of the mounting ring.
Optionally, the wedge angle of the connecting rod is 30 °~45 °.
Optionally, the gib head, which is arranged on the connecting rod, has the end of the wedge angle.
Optionally, the oil sealing installing and taking tool includes at least two dismounting hooks, and at least two dismounting hooks are described in The circumferential direction of mounting ring is uniformly arranged.
Optionally, the mounting ring, the surface roughness of the dismounting hook are 20 μm.
The advantageous effect brought of technical solution that the utility model embodiment provides is:
By the way that mounting ring is socketed on plunger, oil sealing is promoted using mounting ring annular end face, oil sealing is pushed into oil sealing box It is interior, complete installation.By the dismounting hook that will axially be set along mounting ring to turning oil sealing, will dismounting hook stretch out oil sealing and plunger it Between, and pulling installing and taking tool to the outside of oil sealing box so that dismounting hook hooking lives oil sealing, and then oil sealing is taken out of, completes dismounting. During the oil sealing installing and taking tool that the utility model embodiment provides, since the inner wall of mounting ring is parallel to plunger outer wall, dismounting hook is not Contact plunger, and the instrument is only along the axial movement of plunger, therefore the instrument will not during installing or dismantling oil sealing Plunger is scratched, and then ensures the leakproofness between oil sealing and plunger, it is ensured that plunger pump normal use.The instrument uses letter simultaneously It just, being capable of promptly demolition, installation oil sealing.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is a kind of oil sealing installing and taking tool structure diagram that the utility model embodiment provides.
Each mark is respectively in attached drawing:
1st, mounting ring;
2nd, hook is dismantled, 21, connecting rod, 22, gib head.
Specific embodiment
It is new to this practicality below in conjunction with attached drawing to make the purpose of this utility model, technical solution and advantage clearer Type embodiment is described in further detail.
The utility model embodiment provides a kind of plunger pump grease seal installing and taking tool, as shown in Figure 1, the oil sealing installing and taking tool Including:Mounting ring 1 and dismounting hook 2.
Wherein, the internal diameter of mounting ring 1 is more than the outer diameter of plunger;Dismantling hook 2 includes connecting rod 21 and gib head 22.
Connecting rod 21 is set along the axial direction of mounting ring 1, and one end of connecting rod 21 is fixed with mounting ring 1, the other end has 15 °~60 ° wedge angles;The distance of surface to 1 axis of mounting ring towards 1 inside of mounting ring of connecting rod 21 is more than the outer of plunger Footpath.Gib head 22 is connected with the surface towards 1 outside of mounting ring of connecting rod 21;The surface of gib head 22 to 1 axis of mounting ring away from From maximum be less than oil sealing box opening radius.
The use principle for the oil sealing installing and taking tool that the utility model embodiment provides is as follows:
Since the internal diameter of mounting ring 1 is more than the outer diameter of plunger, mounting ring 1 can be socketed on plunger.Specifically, exist When oil sealing is installed, first oil sealing is socketed on plunger, afterwards by the end alignment oil sealing box of the not connected dismounting hook 2 of mounting ring 1, profit Oil sealing is promoted with the annular end face of mounting ring 1, oil sealing is pushed into oil sealing box, completes installation.
When dismantling oil sealing, the end alignment oil sealing box of hook 2 will be dismantled.Since the connecting rod 21 of dismounting hook 2 is along mounting ring 1 Axial setting, and the distance of surface to 1 axis of mounting ring towards 1 inside of mounting ring of connecting rod 21 be more than plunger outside Footpath.When therefore moving the installing and taking tool along plunger and to dismantle hook 2 close to oil sealing, the not contact plunger outer wall of connecting rod 21, and then Prevent plowing from plunger.Further, since the end that connecting rod 21 is not connected with mounting ring 1 has 15 °~60 ° of wedge angle, and hook The maximum of first 22 surface to the distance of 1 axis of mounting ring is less than the radius of oil sealing box opening., therefore move the dress along plunger Take instrument that dismounting hook 2 can be made relatively easily to stretch between oil sealing and plunger.Gib head 22 and the direction of connecting rod 21 are installed simultaneously The surface connection in 1 outside of ring illustrates the outer projection towards mounting ring 1 of gib head 22, is directed away from the direction movement of oil sealing box During the installing and taking tool, dismounting hook 2 can be hooked on the inside of oil sealing, and then is taken from oil sealing box oil sealing out of by mobile mounting ring 1, Complete the dismounting of oil sealing.
When using the oil sealing installing and taking tool that the utility model embodiment provides, since the inner wall of mounting ring 1 is parallel to column Wall beyond the Great Wall, dismounting hook 2 not contact plunger, therefore the instrument will not scratch plunger during installing or dismantling oil sealing, into And ensure the leakproofness between oil sealing and plunger, it is ensured that plunger pump normal use.The instrument, can be promptly using simplicity simultaneously Demolition, installation oil sealing.
Further, in the utility model embodiment, the internal diameter of mounting ring 1 is bigger 1~2mm than plunger outer diameter, so pacifies Dress ring 1 can be steadily socketed on plunger, avoid rocking scuffing plunger because of oil sealing installing and taking tool.
Further, the length of connecting rod 21 is more than or equal to 3cm, for example, 5cm, 6cm, 7cm, 8cm, 9cm, 10cm Deng.And the thickness of connecting rod 21 is less than the wall thickness of mounting ring 1.The smaller easier insertion oil sealing of the thickness of connecting rod 21 and plunger it Between, and then plunger is taken out of.Wherein, the thickness of connecting rod 21 is specifically as follows 4mm, 5mm, 6mm, 7mm etc..
Also, the wedge angle of connecting rod 21 is specially 30 °~45 °.If wedge angle excessively sharp (i.e. angle is less than 30 °) is so that connecting rod 21 is excessively sharp, easily hurts operating personnel in use or scratches oil sealing, degree safe to use is relatively low;If wedge angle More blunt (i.e. angle is more than 45 °), then when promoting the installing and taking tool along plunger, connecting rod 21 is difficult to enter between oil sealing and plunger, Add the difficulty of dismounting oil sealing.Therefore select the wedge angle of connecting rod 21 as 30 °~45 °, both ensure that it is safe to use while or So that connecting rod 21 easily enters between oil sealing and plunger.
Further, gib head 22 is arranged on one end that connecting rod 21 is respectively provided with wedge angle, so that the gib head 22 easily enters The joint face of plunger and oil sealing, is dismantled.And on the structure of gib head 22, gib head 22 can in the axial cross section of mounting ring 1 With triangle, trapezoidal etc., it is not specifically limited.Further, for the ease of being taken out of oil sealing using dismantling hook 2, in this practicality In new embodiment, oil sealing installing and taking tool includes at least two dismounting hooks 2, and circumferential direction of at least two dismounting hooks 2 along mounting ring 1 It is uniformly arranged.Multiple dismounting hooks 2 add the probability that the installing and taking tool hooks oil sealing internal layer, while at least two 2 edges of dismounting hook The circumferential direction of mounting ring 1 is uniformly arranged, but also the oil sealing uniform force when pulling out oil sealing, avoids the occurrence of deflection, be not easy by Oil sealing pulls out.Wherein, specifically, it can be 2,3,4,5,6 etc. to dismantle hook 2.
Also, mounting ring 1 and the surface roughness of dismounting hook 2 are less than 25 μm.Plunger can equally be prevented plowing from.Having In body production process, satisfactory surface roughness can be realized by grinding process.Wherein for mounting ring 1, dismantle hook 2 Surface roughness is not specifically limited, such as 22 μm, 20 μm, 15 μm etc..
In addition, usually the installing and taking tool uses metal material, therefore in order to avoid more hard mounting ring 1 contacts directly Can also rubber layer be set in the inside of mounting ring 1, the mounting ring 1 for avoiding hardness higher contact directly plunger, further avoid because Plunger scratches the normal use for influencing plunger pump.
The oil sealing installing and taking tool provided by the utility model embodiment effectively can simply carry out oil sealing and take dress, And the defects of effectively avoiding damage to plunger surface, overcoming in the prior art, ensure plunger pump normal use.
It these are only the preferred embodiment of the utility model, be not intended to limit the utility model, it is all in the utility model Spirit and principle within, any modifications, equivalent replacements and improvements are made should be included in the protection model of the utility model Within enclosing.

Claims (8)

1. a kind of plunger pump grease seal installing and taking tool, which is characterized in that the oil sealing installing and taking tool includes:It mounting ring (1) and tears open Unload hook (2);
The internal diameter of the mounting ring (1) is more than the outer diameter of plunger;
The dismounting hook (2) includes connecting rod (21) and gib head (22),
The connecting rod (21) is set along the axial direction of the mounting ring (1), and one end of the connecting rod (21) and the installation Ring (1) is fixed, the other end has 15 °~60 ° wedge angles;Surface on the inside of the direction mounting ring (1) of the connecting rod (21) Distance to the mounting ring (1) axis is more than the outer diameter of the plunger;
The gib head (22) is connected with the surface on the outside of the direction mounting ring (1) of the connecting rod (21);The gib head (22) maximum of surface to the distance of the mounting ring (1) axis is less than the radius of oil sealing box opening.
2. oil sealing installing and taking tool according to claim 1, which is characterized in that the internal diameter of the mounting ring (1) is than the column Big 1mm~the 2mm of outer diameter of plug.
3. oil sealing installing and taking tool according to claim 2, which is characterized in that the length of the connecting rod (21) be more than or Equal to 3cm.
4. oil sealing installing and taking tool according to claim 2, which is characterized in that the thickness of the connecting rod (21) is less than described The wall thickness of mounting ring (1).
5. oil sealing installing and taking tool according to claim 2, which is characterized in that the wedge angle of the connecting rod (21) is 30 °~45 °.
6. oil sealing installing and taking tool according to claim 2, which is characterized in that the gib head (22) is arranged on the connecting rod (21) there is the end of the wedge angle.
7. oil sealing installing and taking tool according to claim 1, which is characterized in that the oil sealing installing and taking tool includes at least two The dismounting hook (2), and at least two dismounting hooks (2) are uniformly arranged along the circumferential direction of the mounting ring (1).
8. oil sealing installing and taking tool according to any one of claims 1 to 7, which is characterized in that the mounting ring (1), institute The surface roughness for stating dismounting hook (2) is 20 μm.
CN201721282547.0U 2017-09-30 2017-09-30 A kind of plunger pump grease seal installing and taking tool Active CN207432095U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721282547.0U CN207432095U (en) 2017-09-30 2017-09-30 A kind of plunger pump grease seal installing and taking tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721282547.0U CN207432095U (en) 2017-09-30 2017-09-30 A kind of plunger pump grease seal installing and taking tool

Publications (1)

Publication Number Publication Date
CN207432095U true CN207432095U (en) 2018-06-01

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Application Number Title Priority Date Filing Date
CN201721282547.0U Active CN207432095U (en) 2017-09-30 2017-09-30 A kind of plunger pump grease seal installing and taking tool

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113021263A (en) * 2021-04-20 2021-06-25 龙岩烟草工业有限责任公司 Oil seal replacing tool
CN114750107A (en) * 2022-04-29 2022-07-15 广西玉柴机器股份有限公司 Combined tool for disassembling oil seal of engine and using method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113021263A (en) * 2021-04-20 2021-06-25 龙岩烟草工业有限责任公司 Oil seal replacing tool
CN114750107A (en) * 2022-04-29 2022-07-15 广西玉柴机器股份有限公司 Combined tool for disassembling oil seal of engine and using method thereof

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