A lifting tool for oil pump shaft

Abstract

The application provides a lifting shaft tool for oil delivery pump, which comprises a crossbeam, a bracket, a screw rod, an electronic measuring mechanism and a mechanical measuring mechanism, one end of the screw rod penetrates through the crossbeam and is rotationally connected with the bracket through the mechanical measuring mechanism, the electronic measuring mechanism is connected with the bracket and the crossbeam respectively, and a pair of waist holes are arranged on the crossbeam. The lifting device and the numerical reading are combined by using digital technology, and the on-site work efficiency is improved. The data is read in real time, and the electronic display and the mechanical display are mutually verified, the reading mode of the two values maximally reduces the influence of system error, reduces the data error caused by human factors, guarantees the accuracy of the values, and the waist hole design structure can meet different types of oil delivery main pumps and meet the positioning requirements of various types of oil delivery pump bearing boxes. The structure is simple and convenient to operate.

Description

TECHNICAL FIELD

[0001] The present application relates to oil pump repair tool technical field, especially to a kind of oil pump lifting shaft tool. BACKGROUND

[0002] After the repair of oil main pump is disassembled radial bearing, pump shaft only mouth ring is supported, due to the weight of the body, radial displacement is prone to occur, without lifting shaft operation, mechanical seal will not be disassembled and reset, the whole repair operation cannot continue to carry out.The existing lifting shaft tool operation is still relatively high in time consumption, and the contact mode may damage the shaft, and multiple people are needed to work together.

[0003] At present, there are many types of lifting shaft tools in the industry, but the universality is poor, and the tools with electronic display and high digitalization degree are not available. SUMMARY

[0004] The present application solves the technical problems of the prior art, and provides an oil pump lifting shaft tool.

[0005] The technical scheme for solving the above technical problems is as follows: an oil pump lifting shaft tool, comprising: a cross beam, a bracket, a screw rod, an electronic measuring mechanism and a mechanical measuring mechanism, one end of the screw rod penetrates through the cross beam and is rotationally connected with the bracket through the mechanical measuring mechanism, the electronic measuring mechanism is connected with the bracket and the cross beam respectively, and a pair of waist holes are arranged on the cross beam.

[0006] The beneficial effects of the technical scheme of the present application are: the digital technology is applied to combine the lifting device and the numerical reading into one, which improves the on-site work efficiency.The data is read in real time, and the electronic display and the mechanical display are mutually verified, so that the influence of system error is minimized.The data error caused by human factors is reduced, the accuracy of the data is ensured, the waist hole design structure can meet the requirements of different types of oil main pumps and positioning of oil pump bearing boxes, and the structure is simple and easy to operate.

[0007] Further, the cross beam is a T-shaped cross beam.

[0008] The beneficial effects of the above further technical scheme are: the installation and maintenance of the screw rod are facilitated, and the cross beam is connected with the shaft.

[0009] Further, the bracket is a saddle-shaped bracket.

[0010] The beneficial effects of the above further technical scheme are: the aluminum alloy saddle-shaped bracket forms a relatively stable support mechanism, prevents the tool from deforming or damaging the parts when directly supporting, the pressure generated by the bracket on the connected equipment components is good due to the small weight of the bracket, and the bracket meets the requirements of explosion protection.

[0011] Further, the mechanical measuring mechanism is uniformly provided with a circumferential scale.

[0012] The beneficial effect of the further technical solution is that the mechanical display is uniformly distributed with a circumferential scale, which facilitates reading and improves the stability and reliability of the tool.

[0013] Further, the other end of the screw rod is provided with a hand wheel.

[0014] The beneficial effect of the further technical solution is that the screw rod is rotated by the hand wheel, which fully considers ergonomics.

[0015] Further, the hand wheel is provided with a rocker.

[0016] The beneficial effect of the further technical solution is that the hand wheel and the rocker realize two modes of coarse adjustment and fine adjustment, and fast and slow combination is achieved.

[0017] Further, the electronic measuring mechanism includes a capacitive sensor and an electronic display component, both ends of the capacitive sensor are connected with the bracket and the cross beam in a one-to-one correspondence, and the electronic display component is connected with the capacitive sensor.

[0018] The beneficial effect of the further technical solution is that the numerical value can be directly read through the electronic display component, which improves automation and user experience.

[0019] Further, the electronic display component is connected with the capacitive sensor through a USB T-shaped interface.

[0020] The beneficial effect of the further technical solution is that the electronic display component and the capacitive sensor are detachably connected, which facilitates installation and maintenance of the tool.

[0021] Further, the bracket is made of aluminum alloy, and the cross beam and the screw rod are made of 45# steel.

[0022] The beneficial effect of the further technical solution is that the weight of the tool is reduced, and the cost is reduced.

[0023] Further, the outer side of the screw rod is provided with a thread, and the screw rod is drivingly connected with the cross beam through the thread.

[0024] The beneficial effect of the further technical solution is that the screw rod drives the cross beam to move through the thread.

[0025] The advantages of the additional aspects of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 This is a schematic diagram of the structure of the oil pump shaft lifting tool provided in an embodiment of the present invention.

[0027] The following are the reference numerals: 1. Crossbeam; 2. Bracket; 3. Screw; 4. Electronic measuring mechanism; 5. Mechanical measuring mechanism; 6. Waist hole; 7. Handwheel; 8. Rocker arm; 9. Capacitive grating sensor; 10. Electronic display component; 11. USB T-type interface. Detailed Implementation

[0028] The principles and features of the present invention are described below with reference to the accompanying drawings. The embodiments described are only for explaining the present invention and are not intended to limit the scope of the present invention.

[0029] like Figure 1 As shown, an embodiment of the present invention provides an oil pump shaft lifting tool, including: a crossbeam 1, a bracket 2, a screw 3, an electronic measuring mechanism 4, and a mechanical measuring mechanism 5. One end of the screw 3 passes through the crossbeam 1 and is rotatably connected to the bracket 2 through the mechanical measuring mechanism 5. The electronic measuring mechanism 4 is connected to the bracket 2 and the crossbeam 1 respectively. The crossbeam 1 is provided with a pair of waist holes 6.

[0030] The beneficial effects of adopting the technical solution of this invention are as follows: By applying digital technology, the lifting device and numerical reading are integrated into one, improving on-site work efficiency. Real-time data reading and cross-verification between electronic and mechanical displays minimize the impact of system errors. This reduces data errors caused by human factors and ensures numerical accuracy. The waist-hole design can accommodate different models of oil pumps and meet the positioning requirements of various types of oil pump bearing housings. The structure is simple and easy to operate.

[0031] The oil pump shaft lifting tool provided in this invention fills a technological gap in the industry. It changes the traditional measurement method by applying digital technology, combining the lifting device and numerical reading into one, thus improving on-site work efficiency. While meeting on-site explosion-proof requirements, the tool (oil pump shaft lifting tool) is designed to be ergonomically sound. In terms of digital display, it can be accurate to three decimal places and enables conversion between national and American standard units, with multiple functions including zeroing and setting. A mechanical display position can also be used for comparison to ensure the accuracy of the values.

[0032] like Figure 1 As shown, the crossbeam 1 is further described as a T-shaped crossbeam.

[0033] The advantages of adopting the above-mentioned further technical solutions are: it facilitates the installation and maintenance of the screw and the connection between the crossbeam and the shaft.

[0034] like Figure 1 As shown, the bracket 2 is further described as a saddle-shaped bracket.

[0035] The beneficial effect of the further technical scheme is that the aluminum alloy saddle bracket can form a relatively stable support mechanism, prevent the tool from deforming or damaging the part when directly supporting, and generate a good pressure on the connecting equipment assembly due to the small weight, thereby meeting the explosion-proof requirement.

[0036] As shown in Figure 1 Further, the mechanical measuring mechanism 5 is uniformly provided with a circumferential scale.

[0037] The beneficial effect of the further technical scheme is that the mechanical display is uniformly distributed with a circumferential scale, which facilitates reading and improves the stability and reliability of the tool.

[0038] As shown in Figure 1 Further, the other end of the screw rod 3 is provided with a hand wheel 7.

[0039] The beneficial effect of the further technical scheme is that the screw-in mode fully considers ergonomics, and facilitates the user to rotate the screw rod through the hand wheel.

[0040] As shown in Figure 1 Further, the hand wheel 7 is provided with a rocker 8.

[0041] The beneficial effect of the further technical scheme is that the hand wheel and the rocker realize two modes of coarse adjustment and fine adjustment, and achieve fast and slow combination.

[0042] As shown in Figure 1 Further, the electronic measuring mechanism 4 includes a capacitive sensor 9 and an electronic display component 10, both ends of the capacitive sensor 9 are connected with the bracket 2 and the cross beam 1 in one-to-one correspondence, and the electronic display component 10 is connected with the capacitive sensor 9.

[0043] The beneficial effect of the further technical scheme is that the numerical value can be directly read through the electronic display component, which improves automation and user experience.

[0044] As shown in Figure 1 Further, the electronic display component 10 is connected with the capacitive sensor 9 through a USB T-shaped interface 11.

[0045] The beneficial effect of the further technical scheme is that the electronic display component and the capacitive sensor can be detachably connected, which facilitates the installation and maintenance of the tool.

[0046] As shown in Figure 1 Further, the bracket 2 is made of aluminum alloy, and the cross beam 1 and the screw rod are made of 45# steel.

[0047] The beneficial effects of the further technical scheme are: reducing the weight of the tool and reducing the cost.

[0048] As shown in Figure 1 Further, the outer side of the screw rod 3 is provided with threads, and the screw rod 3 is in transmission connection with the cross beam 1 through the threads.

[0049] The beneficial effects of the further technical scheme are: facilitating the movement of the cross beam driven by the screw rod through the threads.

[0050] The embodiment of the present application changes the mode of reading of the traditional lifting device in cooperation with the dial gauge, realizes single-person operation, real-time reading of data, and electronic display (electronic measurement mechanism) and mechanical display (mechanical measurement mechanism) are mutually verified, and the data error caused by human factors is reduced. The waist hole design structure can meet different types of oil delivery main pumps.

[0051] The oil pump shaft lifting tool provided by the embodiment of the present application is divided into three parts, a supporting part, a rotating part, and a measuring part.

[0052] 1) The supporting part is divided into a T-shaped cross beam (cross beam) and a saddle-shaped bracket (bracket) and a waist hole design.

[0053] 2) The rotating part is a rotating rod (rocker) and a circular hand wheel (hand wheel).

[0054] 3) The measuring part is divided into an electronic display and a mechanical display part, and a Mini USB T-shaped interface is adopted.

[0055] 4) The material part: the saddle-shaped bracket (bracket) is made of aluminum alloy, and other metal materials are made of 45# steel. The material of the measuring part is: outer layer PVC and inner layer copper wire.

[0056] 5) The fixing method adopts a top screw design.

[0057] 6) The transmission structure adopts a screw rod and thread connection method.

[0058] Function and effect:

[0059] 1) The aluminum alloy saddle-shaped bracket (bracket) satisfies the formation of a relatively stable supporting mechanism, prevents the tool from deforming or damaging the parts when directly supporting, and has small self-weight, good pressure on the connected equipment components, and meets the requirements of explosion protection.

[0060] 2) The waist hole design can meet the positioning requirements of multiple types of oil pump bearing boxes.

[0061] 3) The hand wheel and the rocker realize two modes of coarse adjustment and fine adjustment, and achieve fast and slow combination.

[0062] 4) Mechanical display (mechanical measuring mechanism) adopts uniform distribution of circumferential scale.

[0063] 5) Electronic display (electronic measuring mechanism) has multiple functions such as zero clearing, GB-US standard conversion, unit selection, etc.

[0064] 6) The overall load capacity can be 1T under the condition of matching the same bolt.

[0065] 7) The rotation-in mode fully considers ergonomics, and the hand wheel diameter is basically matched with the length of adult men's grip.

[0066] 8) The overall tool is portable, easy to operate, and the data is easy to read, and there is a mechanical digit value comparison.

[0067] The whole tool saves the installation of hangers and dial gauges, reduces the operation time of users, reduces the labor intensity of users, and avoids the operation risk of damaging the main shaft. The operation personnel are reduced from 3-4 to 1. The reading mode of two values minimizes the influence of system error.

[0068] The tool avoids the safety risk in the traditional method, reduces the work intensity in the lifting shaft operation, and significantly improves the overall automation. At present, the company has 79 crude oil pumps and 46 product oil pumps, and the effective area of Rongshan and the waist hole design are suitable for multiple types and multiple series of centrifugal pumps, and the promotion space is large.

[0069] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A tool for lifting a shaft of an oil transfer pump, characterized in that Include: Crossbeam, bracket, screw rod, electronic measuring mechanism, mechanical measuring mechanism, one end of the screw rod penetrates the crossbeam and is rotatably connected with the bracket through the mechanical measuring mechanism, the electronic measuring mechanism is connected with the bracket and the crossbeam respectively, a pair of waist holes are arranged on the crossbeam.

2. A tool for lifting the shaft of an oil pump according to claim 1, characterized in that The crossbeam is a T-shaped crossbeam.

3. The tool for lifting the shaft of an oil pump according to claim 1, wherein The bracket is a saddle-shaped bracket.

4. The tool of claim 1, wherein, The mechanical measuring mechanism is uniformly provided with circumferential scale.

5. The tool for lifting the shaft of an oil pump according to claim 1, wherein The other end of the screw rod is provided with a hand wheel.

6. A tool for lifting the shaft of an oil pump according to claim 5, characterized in that A rocker is arranged on the hand wheel.

7. The tool of claim 1, wherein, The electronic measuring mechanism includes a capacitive sensor and an electronic display component, both ends of the capacitive sensor are connected with the bracket and the crossbeam in one-to-one correspondence, and the electronic display component is connected with the capacitive sensor.

8. A tool for lifting a shaft of an oil pump according to claim 7, characterized in that The electronic display component is connected with the capacitive sensor through a USB T-shaped interface.

9. The tool for lifting the shaft of an oil pump according to claim 1, characterized in that, The bracket is made of aluminum alloy, and the crossbeam and the screw rod are made of 45# steel.

10. The tool of claim 1, wherein, The outer side of the screw rod is provided with threads, and the screw rod is drivingly connected with the crossbeam through the threads.

Images