CN219075507U

CN219075507U - Pump head hoisting tool

Info

Publication number: CN219075507U
Application number: CN202222547340.9U
Authority: CN
Inventors: 贺家忠; 倪小龙; 彭湃; 李欣远; 李永强; 周娟; 徐尚红; 李平
Original assignee: Jinneng Holding Coal Group Co Ltd
Current assignee: Jinneng Holding Coal Group Co Ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-05-26
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to an auxiliary hoisting tool for disassembling an emulsion pump, which is used for disassembling a pump head, in particular to a pump head hoisting tool, comprising a base, a middle supporting rod and a hoisting frame, wherein the base comprises an inner hexagonal lantern ring and a first sleeve; the lower lever arm of the middle supporting rod is provided with external threads in a turning way, and the middle supporting rod is fixedly connected with a limit nut in a penetrating way; the hoisting frame comprises a second sleeve and a hoisting chain, wherein a horizontal supporting arm is welded on the second sleeve, an inclined supporting arm is welded between the horizontal supporting arm and the second sleeve, a through hole is formed in the free end of the horizontal supporting arm, butt bolts are welded at the two ends of the hoisting chain respectively, a fastening nut is matched with the butt bolts at one end of the hoisting chain after penetrating through the through hole of the horizontal supporting arm, and the butt bolts at the other end of the hoisting chain are used for connecting to fix a hexagon head on a pump head to be disassembled. The repair work of replacing the sealing element of the pump head can be independently completed by only one person through the tool, the time for replacing the sealing element is greatly shortened, time and labor are saved, and the overhaul efficiency is improved.

Description

Pump head hoisting tool

Technical Field

The utility model relates to an auxiliary hoisting tool for disassembling an emulsion pump, which is used for disassembling a pump head, in particular to a pump head hoisting tool.

Background

The utility model is BRW 400 emulsion pump is used to colliery fully-mechanized coal mining face, and this kind of emulsion pump structure is great, and pump group gross weight is about 5000kg, and wherein pump head subassembly adopts five separation pump heads to constitute, and the liquid suction valve is installed to pump head lower part, and the liquid discharge valve is installed on pump head upper portion, and the top of every pump head all is equipped with fixed hexagon head, and the centre of fixed hexagon head is equipped with the screw hole, and the top light pump head of pump head's weight just reaches more than 90 jin. Because the emulsion pump has large workload and frequent use, sealing elements in the pump head such as O-shaped rings, isolation cavity oil seals, steel sleeves or water seals and the like are often damaged, equipment leakage and insufficient pressure are caused, and production is affected.

When the sealing element in the pump head is replaced, firstly, the heavy pump head needs to be disassembled and taken down, and after the sealing element is replaced, the pump head is installed and reset. When the sealing ring is repaired and replaced, due to the fact that the working face roadway is complex in environment, limited in space and heavy in pump head, maintenance operation is quite inconvenient, two or more workers are usually required to complete one-time pump head disassembly and maintenance operation, the whole operation process is long in time consumption, workers can be injured by the pump head when the pump head falls down, sealing effect is poor due to the fact that sealing elements are not cleaned in place, and therefore a tool convenient for assisting in assembling and disassembling the pump head is required to be designed to achieve more convenient and safe operation.

Disclosure of Invention

The utility model aims to solve the technical problems that when a sealing element in a pump head of an emulsion pump is replaced at present, manual disassembly of the pump head is time-consuming and labor-consuming, the safety of staff cannot be guaranteed, and the replacement efficiency is low, and provides a pump head hoisting tool.

The technical means adopted for solving the technical problems are as follows: the pump head hoisting tool comprises a base, a middle supporting rod and a hoisting frame, wherein the base comprises an inner hexagonal lantern ring matched with a fixed hexagonal head at the top of a pump head, a first sleeve is welded on the inner hexagonal lantern ring, and the axis of the inner hexagonal lantern ring is overlapped with the axis of the first sleeve; the lower lever arm of the middle supporting rod is provided with external threads, the middle supporting rod is fixedly connected with a limit nut in a penetrating way, the outer diameter of the limit nut is larger than the diameter of the through hole at the top of the first sleeve, the lower part of the middle supporting rod penetrates through the first sleeve and then is connected with the threaded hole of the fixed hexagonal head in the inner hexagonal sleeve, and the limit nut is clamped with the top of the first sleeve; the hoisting frame comprises a second sleeve and a hoisting chain, wherein the second sleeve is positioned in the vertical direction, a horizontal supporting arm is welded on the second sleeve, an inclined supporting arm is welded between the horizontal supporting arm and the second sleeve, a through hole is formed in the free end of the horizontal supporting arm, two ends of the hoisting chain are respectively welded with a butt joint bolt, the hoisting chain is welded with the head of the butt joint bolt, the stud is arranged outwards, the butt joint bolt at one end of the hoisting chain is matched with a fastening nut after penetrating through the through hole of the horizontal supporting arm, and the butt joint bolt at the other end of the hoisting chain is used for being connected with a threaded hole for fixing a hexagon head on a pump head to be disassembled.

Preferably, the top of the first sleeve is welded with a transverse plate, a penetrating hole with the diameter larger than the diameter of the middle supporting rod is formed in the middle of the transverse plate, and the diameter of the penetrating hole is smaller than the outer diameter of the limiting nut.

Preferably, the limit nut is welded with the middle support rod.

Preferably, the through hole of the horizontal support arm is located in the vertical direction.

Preferably, the horizontal support arm is made of square steel butt welded by two angle steels.

The beneficial effects of the utility model are as follows: the structure is simple, the mechanical requirement is met, the operation is convenient, and the safety coefficient of workers in underground maintenance and ground operation is improved; the tool is subjected to multiple practical tests, only one person is needed to independently finish the repair work of replacing the sealing element of the pump head, the hoisting effect is good, the time consumed by replacing the sealing element is greatly shortened, time and labor are saved, and the overhaul efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a base according to the present utility model.

Fig. 2 is a schematic structural view of the middle support rod according to the present utility model.

Fig. 3 is a schematic structural view of the lifting frame according to the present utility model.

Fig. 4 is a schematic structural view of the lifting chain according to the present utility model.

Fig. 5 is a schematic diagram of the overall structure of the pump head hoisting tool according to the utility model.

In the figure: 1. a middle support rod; 2. an inner hexagonal collar; 3. a first sleeve; 4. an external thread; 5. a limit nut; 6. a second sleeve; 7. hoisting a chain; 8. a horizontal support arm; 9. a tilting support arm; 10. a through hole; 11. a butt-joint bolt; 12. a fastening nut; 13. a cross plate; 14. and a hole is penetrated.

Description of the embodiments

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. 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.

In the description of the present utility model, it should be noted that the terms "first," "second," and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

1-5, a pump head hoisting tool comprises a base, a middle supporting rod 1 and a hoisting frame, wherein the base comprises an inner hexagonal lantern ring 2 matched with a fixed hexagonal head at the top of a pump head, a first sleeve 3 is welded on the inner hexagonal lantern ring 2, and the axis of the inner hexagonal lantern ring 2 coincides with the axis of the first sleeve 3; the lower lever arm of the middle supporting rod 1 is provided with external threads 4 in a turning way, the middle supporting rod 1 is fixedly connected with a limit nut 5 in a penetrating way, the outer diameter of the limit nut 5 is larger than the diameter of a through hole at the top of the first sleeve 3, the lower part of the middle supporting rod 1 passes through the first sleeve 3 and then is connected with a threaded hole of a fixed hexagon head in the inner hexagonal lantern ring 2, and the limit nut 5 is clamped with the top of the first sleeve 3; the hoisting frame comprises a second sleeve 6 and a hoisting chain 7 which are positioned in the vertical direction, a horizontal supporting arm 8 is welded on the second sleeve 6, an inclined supporting arm 9 is welded between the horizontal supporting arm 8 and the second sleeve 6, a through hole 10 is formed in the free end of the horizontal supporting arm 8, a butt joint bolt 11 is welded at two ends of the hoisting chain 7 respectively, the hoisting chain 7 is welded with the head of the butt joint bolt 11, a stud faces outwards, a fastening nut 12 is matched after the butt joint bolt 11 at one end of the hoisting chain 7 passes through the through hole 10 of the horizontal supporting arm 8, and the butt joint bolt 11 at the other end of the hoisting chain 7 is used for connecting a threaded hole for fixing a hexagonal head on a pump to be dismounted.

The base is used for fixed mounting at the pump head top, and the interior hexagonal lantern ring 2 of base is the head of intercepting interior hexagonal spanner and obtains, and first sleeve 3 direct welding is on interior hexagonal lantern ring 2, and the time of use is with interior hexagonal lantern ring 2 card on the fixed hexagon head at pump head top, and the height of first sleeve 3 is 50mm. It is easy to understand that the base and the pump head are detachably connected, and when the pump head needs to be detached, the base is installed, and if not needed, the middle supporting rod 1 and the base are detached.

Wherein, intermediate strut bar 1 can directly replace the screw rod, and the external screw thread 4 of intermediate strut bar 1 lower part is the screw hole that is used for connecting fixed hexagon head, when the base is fixed in the fixed hexagon head at pump head top, inserts intermediate strut bar 1 in the first sleeve 3 of base, the lower part of intermediate strut bar 1 and the screw hole fixed connection of fixed hexagon head in the interior hexagonal lantern ring 2, stop nut 5 on the intermediate strut bar 1 just blocks to the top of first sleeve 3 to intermediate strut bar 1, base and pump head realize fixed connection.

It is easy to understand that the rod body of the middle support rod 1 above the limit nut 5 is used for being matched with the second sleeve 6, so that the rod diameter of the middle support rod 1 is smaller than the inner diameter of the second sleeve 6. The hoisting frame is a triangular support frame consisting of a second sleeve 6, a horizontal support arm 8 and an inclined support arm 9, the free end of the horizontal support arm 8 is the end far away from the second sleeve 6, and a through hole 10 is positioned at the end; the top of the hoisting chain 7 is fixedly connected with the horizontal supporting arm 8 through a butt bolt 11, and the bottom of the hoisting chain 7 is connected to a fixed hexagon head of the pump head to be disassembled through the butt bolt 11. It is easy to understand that the pump head of the fixed base is a different pump head than the pump head to be disassembled.

After the pump head hoisting tool is fixed, the pump head to be dismounted is separated from the emulsion pump, then the pump head is pushed away from the original installation position, the surface of the sealing element to be replaced is exposed, the sealing element is dismounted and reinstalled, then the hoisted pump head is pushed to the original installation position, and then the pump head is fixedly connected with the emulsion pump. In the whole operation process, the pump head does not need to be placed on the ground, only needs to be temporarily pushed, time and labor are saved, and the whole operation process is safe and reliable.

As a specific implementation manner of the above embodiment, the top of the first sleeve 3 is welded with a transverse plate 13, and a through hole 14 with a diameter larger than the rod diameter of the middle supporting rod 1 is formed in the middle of the transverse plate 13, and the aperture of the through hole 14 is smaller than the outer diameter of the limit nut 5.

After the rod body of the middle supporting rod 1 below the limit nut 5 passes through the penetrating hole 14 of the transverse plate 13, the rod body is in fastening fit with the threaded hole for fixing the hexagon head downwards, the penetrating hole 14 on the transverse plate 13 is slightly larger than the rod diameter of the middle supporting rod 1, and the transverse plate 13 is mainly used for preventing the middle supporting rod 1 from shifting left and right, so that the hoisting tool is more stable, safe and reliable in the hoisting process.

Further, the limit nut 5 is welded with the middle supporting rod 1.

The arrangement is mainly for firm connection, and when the whole middle supporting rod 1 is a stud, the limit nut 5 can be connected with the middle supporting rod 1 through threads.

Preferably, the through hole 10 of the horizontal support arm 8 is located in the vertical direction. The arrangement structure is reasonable.

Preferably, the horizontal support arm 8 is made of square steel butt welded from two angle steels. The angle steel is convenient to obtain materials, waste steel can be reused, energy is saved, environment is protected, and the rigidity and the strength meet the requirements.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The pump head hoisting tool is characterized by comprising a base, a middle supporting rod (1) and a hoisting frame, wherein the base comprises an inner hexagonal lantern ring (2) which is matched with a fixed hexagonal head at the top of a pump head, a first sleeve (3) is welded on the inner hexagonal lantern ring (2), and the axis of the inner hexagonal lantern ring (2) is coincident with the axis of the first sleeve (3); the lower lever arm of the middle supporting rod (1) is provided with external threads (4), the middle supporting rod (1) is fixedly connected with a limit nut (5) in a penetrating way, the outer diameter of the limit nut (5) is larger than the diameter of a through hole at the top of the first sleeve (3), the lower part of the middle supporting rod (1) passes through the first sleeve (3) and then is connected with a threaded hole of a fixed hexagon head in the inner hexagonal lantern ring (2), and the limit nut (5) is clamped with the top of the first sleeve (3); the hoisting frame comprises a second sleeve (6) and a hoisting chain (7) which are positioned in the vertical direction, a horizontal supporting arm (8) is welded on the second sleeve (6), an inclined supporting arm (9) is welded between the horizontal supporting arm (8) and the second sleeve (6), a through hole (10) is formed in the free end of the horizontal supporting arm (8), two ends of the hoisting chain (7) are respectively welded with a butt joint bolt (11), the hoisting chain (7) is welded with the head of the butt joint bolt (11), the stud faces outwards, the butt joint bolt (11) at one end of the hoisting chain (7) penetrates through the through hole (10) of the horizontal supporting arm (8) and then is matched with a fastening nut (12), and the butt joint bolt (11) at the other end of the hoisting chain (7) is used for connecting a threaded hole for fixing a hexagonal head on a pump to be disassembled.

2. The pump head hoisting tool according to claim 1, wherein a transverse plate (13) is welded at the top of the first sleeve (3), a penetrating hole (14) with the diameter larger than the rod diameter of the middle supporting rod (1) is formed in the middle of the transverse plate (13), and the diameter of the penetrating hole (14) is smaller than the outer diameter of the limit nut (5).

3. The pump head hoisting tool according to claim 1, wherein the limit nut (5) is welded with the middle support rod (1).

4. Pump head hoisting tool according to claim 1, characterized in that the through hole (10) of the horizontal support arm (8) is located in the vertical direction.

5. Pump head hoisting tool according to claim 1, characterized in that the horizontal support arm (8) is made of square steel butt welded by two angle steels.