Special tool for repairing pump

Abstract

The utility model provides a special tool for repairing a pump, which belongs to the technical field of pump repairing tools and comprises a handle, a handle connecting sleeve, a steel plate nut, a main lead screw, two adjusting lead screws and a connecting disc, the main lead screw and the adjusting lead screws are vertically connected onto the steel plate nut, and the two adjusting lead screws are arranged on two sides of the main lead screw. One end of the main lead screw penetrates through the steel plate nut and is connected with a handle connecting sleeve, and a handle is arranged on the handle connecting sleeve. The other end of the main lead screw is connected with a connecting disc, and a grabbing head is arranged on the connecting disc. One end of the adjusting lead screw is connected to the steel plate nut, and the other end of the adjusting lead screw is connected with a nut. The tool provided by the utility model can be used for easily taking out and loading accessories at the fluid end of the water injection pump, solves the problem that time and labor are wasted when workers repair the pump, and simultaneously achieves the purpose of repairing water injection pumps of different models.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of pump repairing tool, and particularly relates to a pump repairing tool. BACKGROUND

[0002] The water injection pump used in the oilfield development process is frequently damaged due to the complex production environment and many impurities in the water injection, and the repair tools used by employees to repair the liquid force end of the water injection pump of different models (manufacturers) are different in specifications and types, and there are too many of them, which is extremely inconvenient and time-consuming, labor-intensive and cost-intensive.

[0003] It is found through retrieval that the utility model patent with the patent number ZL201320243679.8 discloses a high-pressure plunger pump pressure-taking valve tool, the lower part of the fixing seat is connected with a fixing screw rod, the upper part is connected with a rotating sleeve support, the rotating sleeve support is internally provided with a rotating sleeve, and the rotating sleeve support and the rotating sleeve are gap-fitted, the outer part of the rotating sleeve is welded with a hand wheel, and the inner part of the rotating sleeve is threadedly connected with a power lever, the lower part of the power lever is connected with a top-pulling connector, and the bottom of the top-pulling connector is provided with external threads matched with the internal threads of the valve body sealing plug, the tool takes the multi-way valve and the sealing plug, does not damage the valve body and the sealing ring, does not damage the thread, makes the repair work simple and easy to perform, and reduces the cost.

[0004] The utility model patent with the patent number ZL200720017404.7 discloses a plunger pump liquid inlet valve puller, which has an upper disc, the upper end of a supporting rod is fixed with the upper disc, the lower end is fixed with a lower supporting disc, a screw rod is installed in the middle part of the upper disc through a nut, a hanging disc is installed at the lower part of the screw rod, and the upper end of a hook with two ends bent is hung on the hanging disc, the liquid inlet valve puller can hang the hook on the inner edge of the liquid inlet valve, the liquid inlet valve can be pulled out by rotating the nut, which is convenient to use, saves time and labor, and improves the work efficiency.

[0005] Therefore, the pump repairing tool is integrated and developed to solve the problem that the employees spend time and labor in repairing the pump (the liquid force end accessory of the water injection pump can be easily taken out and put in), and the purpose of repairing different models of water injection pumps is achieved, which has important significance for promoting the new well production, stable production of old wells, measures for increasing production, management for promoting production, safety for ensuring production and the like in the factory. UTILITY MODEL CONTENTS

[0006] In order to overcome the problems of complexity, time-consuming and labor-intensive in repairing different models of water injection pumps, the utility model provides a pump repairing tool, the tool provided by the utility model can easily take out and put in the liquid force end accessory of the water injection pump, solves the problem that the employees spend time and labor in repairing the pump, and achieves the purpose of repairing different models of water injection pumps.

[0007] The technical scheme adopted by the utility model is that:

[0008] A special tool for repairing pump, comprising a handle, a handle connecting sleeve, a steel plate nut, a main lead screw, adjusting lead screws and a connecting disc, the main lead screw and the adjusting lead screws are vertically connected on the steel plate nut, the adjusting lead screws are two and are arranged on the two sides of the main lead screw, one end of the main lead screw passes through the steel plate nut and is connected with the handle connecting sleeve, a handle is arranged on the handle connecting sleeve, the other end of the main lead screw is connected with the connecting disc, a grab head is arranged on the connecting disc, one end of the adjusting lead screw is connected on the steel plate nut, and the other end of the adjusting lead screw is connected with a nut.

[0009] The handle connecting sleeve comprises a sleeve body and a connecting sleeve, the sleeve body is connected with the connecting sleeve, the end of the main lead screw is arranged in the connecting sleeve and is connected and fixed through a fixing bolt one and a fixing bolt two, and the sleeve body is transversely bored, and the middle part of the handle is arranged in the transversely bored sleeve body.

[0010] The nut comprises a nut one, a nut two and a nut three, the nut one, the nut two and the nut three are three nuts with different sizes.

[0011] The connecting disc comprises a connecting disc one, a connecting disc two and a connecting disc three, the connecting disc one, the connecting disc two and the connecting disc three are three connecting discs with different sizes, and the connecting disc two and the connecting disc three are connecting discs with bolts.

[0012] The steel plate nut is symmetrically provided with clamping grooves at the two ends, one end of the adjusting lead screw is clamped in the corresponding clamping groove and is connected and fixed through a connecting nut, and the other end of the adjusting lead screw is provided with the corresponding nut.

[0013] The middle part of the steel plate nut is provided with a guide sleeve away from the handle connecting sleeve, and the main lead screw is connected with the handle connecting sleeve after passing through the guide sleeve and the steel plate nut.

[0014] The length of the main lead screw is longer than the length of the adjusting lead screw.

[0015] The connecting disc and the grab head are connected and fixed through a fastening bolt.

[0016] The handle is provided with handle caps at the two ends.

[0017] The handle cap is threadedly connected with the handle.

[0018] The special tool for repairing pump has the advantages that:

[0019] The special tool for repairing pump provided by the utility model adopts multiple head nuts and connecting discs with different sizes to realize the convenient taking and installation of accessories without damaging the accessories and the tool, and the accessories (the plunger and the combined valve) of the water injection pump liquid end can be conveniently and quickly disassembled, maintained and replaced in the case that the valve group screw thread is damaged.

[0020] The utility model discloses adopt the principle of disc puller, use sleeve multiple head nut combination form, integrate the takeout screw thread of different models (factory) water injection pump hydraulic end plug, the two feet of steel plate thread nut are the adjusting screw rod for adjusting the two feet opening size, and the nut of different sizes connected through the adjusting screw rod is connected with the cylinder pressure plate bolt of water injection pump, and the connecting disc and the grab head connected with the main screw rod end are connected with the water injection pump hydraulic end accessory, and the plug and the combination valve accessory are smoothly pulled out by the positive rotation main screw rod, and the plug and the combination valve accessory are smoothly pressed in by the reverse rotation main screw rod.

[0021] The utility model discloses can realize different models and the water injection pump hydraulic end accessory of factory, can conveniently and quickly take out and install the technical problem of water injection pump hydraulic end accessory, improves work efficiency.

[0022] The utility model discloses simple structure, low cost, convenient operation, fundamentally eliminates the damage of traditional tool tour hammer to pump valve, spring, valve seat, pump cavity contact surface and tool and accessory screw thread when maintaining water injection pump, can avoid the occurrence of personal injury accident, can shorten the pump repair time well, guarantees normal production. DRAWINGS

[0023] Figure 1 It is the structure schematic diagram of the utility model.

[0024] The utility model will be further described in detail in combination with the drawings.

[0025] In the drawings, the reference signs are:

[0026] 1, movable handle, 2, handle connecting sleeve, 3, fixed bolt one, 4, fixed bolt two, 5, steel plate thread nut, 6, main screw rod, 7, adjusting screw rod, 8, nut one, 9, nut two, 10, nut three, 11, connecting disc one, 12, grab head, 13, connecting disc two, 14, connecting disc three, 15, fastening bolt, 16, guide sleeve. Specific implementation

[0027] The technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of the utility model protection.

[0028] The various structural schematic diagrams according to the disclosed embodiments of the utility model are shown in the drawings. These drawings are not drawn to scale, wherein certain details are exaggerated for the purpose of clear expression, and certain details can be omitted. The shapes of various regions, layers and the relative size and position relationship therebetween shown in the drawings are only exemplary, and in actuality, there can be deviations due to manufacturing tolerances or technical limitations, and a person skilled in the art can additionally design regions / layers with different shapes, sizes and relative positions according to actual needs.

[0029] Embodiment 1:

[0030] In order to overcome the problems of being complicated, time-consuming and laborious in repairing different models of water injection pumps, the utility model provides a special tool for repairing pumps as shown in the drawings. Figure 1 The tool provided by the utility model can easily take out and install the liquid end accessories of the water injection pump, solves the problem of time-consuming and laborious for employees when repairing the pump, and simultaneously achieves the purpose of repairing different models of water injection pumps.

[0031] A special tool for repairing pumps comprises a handle 1, a handle connecting sleeve 2, a steel plate thread block 5, a main lead screw 6, adjusting lead screws 7 and a connecting disc, the main lead screw 6 and the adjusting lead screws 7 are both connected perpendicularly on the steel plate thread block 5, the adjusting lead screws 7 are two and are arranged on both sides of the main lead screw 6, one end of the main lead screw 6 penetrates through the steel plate thread block 5 and is connected with the handle connecting sleeve 2, the handle connecting sleeve 2 is provided with the handle 1, the other end of the main lead screw 6 is connected with the connecting disc, the connecting disc is provided with a grab head 12, one end of the adjusting lead screw 7 is connected on the steel plate thread block 5, and the other end is connected with a nut.

[0032] As shown in the drawings, the utility model provides a special tool for repairing pumps for conveniently disassembling and installing the liquid end parts (plunger and combined valve) of the oil field water injection pump. Figure 1 The utility model adopts multiple head nuts and connecting discs with different sizes to realize convenient taking out and installing of the accessories without damaging the accessories and the tool, and can conveniently and quickly disassemble, repair and replace the liquid end accessories (plunger and combined valve) of the water injection pump in the case of damage of the valve group screw thread.

[0033] The utility model adopts the principle of a puller and uses a combination of sleeves and multiple bit nuts to integrate the removal threads of the hydraulic end plugs and combination valve accessories of water injection pumps of different models (manufacturers). The variable threads are unified at the main screw 6, and the two feet of the steel plate nut 5 are adjusting screws 7 (to adjust the opening size of the two feet). The ends of the two feet are made into different threads (the diameters and threads of the hydraulic end pressure plate bolts of water injection pumps of different models and manufacturers are different). The threads (nuts of different sizes) connected by the steel plate nut 5 are then connected to the pressure plate bolts of each cylinder of the water injection pump. The connecting disk and the grab head 12 connected to the end of the main screw 6 are connected to the hydraulic end accessories of the water injection pump. The main screw 6 is rotated forward to smoothly pull out the plug and the combination valve accessories, and the main screw 6 is rotated backward to steadily press in the plug and the combination valve accessories.

[0034] The utility model can realize the technical problem of the hydraulic end accessories of water injection pumps of different models and manufacturers, and can conveniently and quickly take out and install the hydraulic end accessories of the water injection pump, thereby improving work efficiency.

[0035] Example 2:

[0036] Based on Example 1, in this embodiment, preferably, the handle connecting sleeve 2 includes a sleeve body and a connecting sleeve, the sleeve body is connected to the connecting sleeve, the end of the main screw 6 is arranged in the connecting sleeve, and is connected and fixed by fixing bolt 1 3 and fixing bolt 2 4; the sleeve body has a horizontal opening, and the middle part of the handle 1 is arranged in the horizontal opening of the sleeve body.

[0037] Preferably, both ends of the handle 1 are provided with handle caps.

[0038] Preferably, the handle cap is threadably connected to the handle 1 .

[0039] like Figure 1 As shown, in the present invention, both ends of the handle 1 are provided with handle caps. When the handle 1 and the handle connecting sleeve 2 are installed, the handle cap at one end of the handle 1 is removed, and then the handle cap is passed horizontally into the transverse opening of the upper sleeve of the handle connecting sleeve 2. After passing through the transverse opening, the removed handle cap is installed. The handle cap ensures that the handle 1 will not fall off the handle connecting sleeve 2.

[0040] Preferably, the nuts include nut one 8, nut two 9 and nut three 10, and the nut one 8, nut two 9 and nut three 10 are three nuts of different sizes.

[0041] In the present invention, the nut is a multi-bit nut, including three nuts of different sizes: nut 1 8, nut 2 9 and nut 3 10. The three nuts basically cover the sizes of the bolts on the pump body of the accessories that need to be replaced. During operation, the nuts of corresponding sizes are connected and fixed to the bolts on the pump body of the accessories that need to be replaced as a fulcrum.

[0042] The utility model discloses, the nut of multiple batch head includes nut one 8, nut two 9 and nut three 10, and according to the demand selection corresponding size nut is installed on the adjusting screw 7, and adjusting screw 7 can left and right adjust the opening size, and the batch head 12 connecting disc is combined and installed, and is installed main screw 6 on, can stable dismount and install different factory and different specification type water injection pump hydraulic end accessory (plug head, combination valve).

[0043] In the utility model, the two feet of steel wire nut plate 5 are adjusting screw 7, the shape of two feet can be changed, the multiple batch head nut can also be processed into the batch head with thread, and is used as the pull disc (wheel) device.

[0044] Preferably, the connecting disc includes connecting disc one 11, connecting disc two 12 and connecting disc three 13, and the connecting disc one 11, connecting disc two 12 and connecting disc three 13 are three connecting discs with different sizes, wherein the connecting disc two 12 and the connecting disc three 13 are connecting discs with bolts.

[0045] Preferably, the connecting disc and the batch head 12 are connected and fixed through the fastening bolt 15.

[0046] In the utility model, the connecting disc two 12 and the connecting disc three 13 are connecting discs with bolts, and during use, the position can be adjusted according to the requirement, and the connecting disc and the batch head 12 are connected and fixed through the fastening bolt 15 in the utility model. When the batch head 12 grabs the water injection pump hydraulic end accessory, it will not fall off.

[0047] Preferably, the steel plate wire nut 5 is symmetrically provided with a clamping groove at both ends, one end of the adjusting screw 7 is clamped in the corresponding clamping groove and connected and fixed through a connecting nut, and the other end of the adjusting screw 7 is provided with a corresponding nut.

[0048] Preferably, the steel plate wire nut 5 is symmetrically provided with a clamping groove at both ends, one end of the adjusting screw 7 is clamped in the corresponding clamping groove and connected and fixed through a connecting nut, and the other end of the adjusting screw 7 is provided with a corresponding nut.

[0049] In the utility model, the guide sleeve 16 is arranged, and the stability of the main screw 6 is effectively ensured. When the batch head 12 grabs or installs the water injection pump hydraulic end accessory, the main screw 6 will not be deformed and twisted in the rotating process, and the force acting on the main screw 6 is ensured.

[0050] Preferably, the length of the main screw 6 is longer than the length of the adjusting screw 7.

[0051] In the utility model, the adjusting screw 7 is connected and fixed on the pump body bolt of the pump to be replaced, becomes a fixed fulcrum after the position is fixed, and the length of the main screw 6 in the middle needs to be long enough, so that the main screw 6 connected with the batch head 12 can effectively install or take out the water injection pump hydraulic end accessory in the process of rotating in and rotating out.

[0052] The specific use process of the utility model is:

[0053] When the water injection pump liquid end accessory is to be taken out, the selected connecting disc is installed on the main screw rod 6 in turn, the steel plate wire nut 5 is rotated clockwise into the main screw rod 6, the fastening bolt 16 is installed on the main screw rod 6, the movable handle 1 is taken off, the handle connecting sleeve 2 is passed through, the handle connecting sleeve 2 is inserted into the main screw rod 6 by adopting clearance fit, and the handle connecting sleeve 2 is fixed by the first fixing bolt 3 and the second fixing bolt 4, the two adjusting screw rods 7 are installed in the left and right clamping grooves of the steel plate wire nut 5 respectively, one group of nuts of different specifications is installed on the adjusting screw rod 7 according to the size of the water injection pump head bolt, and the connecting disc of the corresponding size is selected according to the size of the water injection pump liquid end accessory, and the grabbing head 12 is fixed on the connecting disc.

[0054] When in use, the grabbing head 12 is connected with the water injection pump liquid end accessory, the nut 8 is connected on the water injection pump head bolt by screwing, the movable handle 1 is rotated clockwise, the water injection pump head is taken as a fulcrum, and the grabbing head 12 takes out the water injection pump liquid end accessory.

[0055] When the water injection pump liquid end accessory is installed, the water injection pump liquid end accessory is connected on the grabbing head 12, the nut is connected on the water injection pump head bolt by screwing, the movable handle 1 is rotated counterclockwise, the water injection pump head is taken as a fulcrum, and the grabbing head 12 installs the water injection pump liquid end accessory.

[0056] The tool provided by the utility model can easily take out and install the water injection pump liquid end accessory, solves the problem that the staff spends time and effort when repairing the pump, and simultaneously achieves the purpose that different types of water injection pumps can be repaired.

[0057] The tool provided by the utility model has simple structure, low cost and convenient operation, fundamentally prevents damage caused by the traditional tool bob to the pump valve, spring, valve seat, pump cavity contact surface and tool and accessory screw thread, can avoid personal injury accidents, can shorten the pump repair time, and ensures normal production.

[0058] The utility model is integrally detachable, and the components after being detached can be placed in the tool box of the special tool for repairing the pump. In this way, the tool is easy to store and carry, and the accessory is not easy to lose, so that the accessory of one or more sizes cannot be taken out or installed. The utility model is convenient to assemble on site and has simple structure.

[0059] The tool provided by the utility model has been tested and applied in some water injection stations of the twelfth oil production plant. Compared with the traditional tool with the existing water injection pump repair rod and bob structure type, the utility model provides a tool for repairing the pump, and has the following advantages:

[0060] (1) convenient and labor-saving, even without professional maintenance personnel, can easily take out and install the water injection pump fluid end accessories (plug, combination valve);

[0061] (2) due to the adoption of nut multi-head combination shape, can take into account the maintenance of different specifications and manufacturers of water injection pump;

[0062] (3) without using the whole journey, the copper bar and coconut head and other tools, without damaging the accessories itself and the end of the screw thread;

[0063] (4) save manpower, shorten the pump repair cycle, reduce the maintenance cost;

[0064] (5) the tool body due to the use of pull disc principle design, change the shape of two feet (also can be processed as a threaded head) can be used as a pull disc (wheel) device.

[0065] In the description of the present application, it should be pointed out that, unless otherwise explicitly provided and limited, the terms "installation", "connection", "connection" should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected; can be mechanical connection, can be electrical connection; can be directly connected, can be indirectly connected through intermediate medium, can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0066] It should also be understood that the terms used in the present application are only for the purpose of describing specific embodiments and do not intend to limit the present application. As used in the present application specification and the appended claims, unless otherwise clearly indicated in the context, the singular form "a", "an" and "the" are intended to include plural forms.

[0067] The above examples are only examples of the present application and do not constitute a limitation on the scope of protection of the present application. Any design identical or similar to the present application is within the scope of protection of the present application. The device structure and method steps not described in detail in the present application are prior art, which will not be further described in the present application.

Claims

1. A tool for repairing a pump, characterized in that: The utility model relates to a handle (1), handle connecting sleeve (2), steel plate wire mother (5), main lead screw (6), adjusting lead screw (7) and connecting disc are connected, main lead screw (6) and adjusting lead screw (7) are both connected vertically on steel plate wire mother (5), adjusting lead screw (7) is two, and is located the both sides of main lead screw (6), one end of main lead screw (6) passes through steel plate wire mother (5) and is connected with handle connecting sleeve (2), and handle (1) is established on handle connecting sleeve (2), the other end of main lead screw (6) is connected with connecting disc, and the connecting disc is equipped with grab head (12), the one end of adjusting lead screw (7) is connected on steel plate wire mother (5), and the other end is connected with nut.

2. A tool for repairing a pump according to claim 1, characterized in that: The handle connecting sleeve (2) includes sleeve body and connecting sleeve, the sleeve body is connected with the connecting sleeve, the end of the main lead screw (6) is arranged in the connecting sleeve, and is connected and fixed by fixed bolt one (3) and fixed bolt two (4), the sleeve body is transversely bored, and the middle part of the handle (1) is arranged in the transverse bore of the sleeve body.

3. A tool for repairing a pump according to claim 1, characterized in that: The nut includes nut one (8), nut two (9) and nut three (10), the nut one (8), the nut two (9) and the nut three (10) are three nuts of different sizes.

4. The tool of claim 1, wherein: The connecting disc includes connecting disc one (11), connecting disc two (12) and connecting disc three (13), the connecting disc one (11), the connecting disc two (12) and the connecting disc three (13) are three connecting discs of different sizes, wherein the connecting disc two (12) and the connecting disc three (13) are connecting discs with bolts.

5. The tool of claim 1, wherein: The both ends of the steel plate wire mother (5) are symmetrically provided with clamping grooves, one end of the adjusting lead screw (7) is clamped in the corresponding clamping groove and is connected and fixed by the connecting nut, and the other end of the adjusting lead screw (7) is installed with the corresponding nut.

6. A tool for repairing a pump according to claim 1, characterized in that: The middle part of the steel plate wire mother (5) is provided with a guide sleeve (16) away from the handle connecting sleeve (2), and the main lead screw (6) is connected with the handle connecting sleeve (2) after passing through the guide sleeve (16) and the steel plate wire mother (5).

7. A tool for repairing a pump according to claim 1, characterized in that: The length of the main lead screw (6) is longer than the length of the adjusting lead screw (7).

8. A tool for repairing a pump according to claim 1, characterized in that: The connecting disc and the grab head (12) are connected and fixed by the fastening bolt (15).

9. The tool of claim 1, wherein: The both ends of the handle (1) are provided with handle caps.

10. A tool for repairing a pump according to claim 9, characterized in that: The handle cap is threadedly connected with the handle (1).

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