Efficient tool for loosening and tightening screw of pressure lever of oil pumping unit

Abstract

The utility model discloses an efficient tool for loosening and tightening a press lever screw of an oil pumping unit, and relates to the technical field of screw loosening and tightening tools. The efficient tool comprises a sleeve box, shaft blocks are rotationally installed at the top and the bottom of the sleeve box, screw openings are formed in the shaft blocks, an arm rod is arranged on the front side of the sleeve box, a handle is arranged at the front end of the arm rod, the efficient tool further comprises a transmission structure arranged on the sleeve box and the shaft blocks, and the arm rod is installed on the front side of the transmission structure. And the fixing structure is arranged on the arm rod. According to the efficient tool for loosening and tightening the pressing lever screws of the oil pumping unit, through the fixing structure, the telescopic rod can be clamped, the use length of the arm lever can be fixed, use by workers is facilitated, due to the fact that the worm gear and the worm are large in transmission ratio and stable in transmission ratio, the labor intensity is relieved, the safety operation risk is reduced, and it is ensured that each screw is fastened in place.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw tightness tool technical field, especially a kind of high-efficiency tool for pumping unit pressure lever screw tightness. BACKGROUND

[0002] Pumping unit base pressure lever screw installation and maintenance, usually use ordinary key wrench, it is time-consuming and laborious to operate.Meanwhile, due to the influence of the screw by wind and sun for a long time, it brings great difficulty to daily disassembly and maintenance.Especially the pressure lever screw under electric motor, it is difficult to operate using ordinary tool due to the influence of space restriction and belt wheel protection.Therefore, a kind of high-efficiency tool for pumping unit pressure lever screw tightness is invented. UTILITY MODEL CONTENTS

[0003] The utility model is to provide a kind of high-efficiency tool for pumping unit pressure lever screw tightness to solve the problems and defects proposed in the above background technique.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of high-efficiency tool for pumping unit pressure lever screw tightness, including box, the top and bottom of box are rotatably installed with shaft block, shaft block is set with screw port, the front side of box is provided with arm rod, the front end of arm rod is provided with handle, further including setting on box, transmission structure on shaft block, arm rod is installed on the front side of transmission structure, by transmission structure, arm rod is rotated, for driving shaft block to rotate together, fixed structure on arm rod, by fixed structure, for the fixed length of arm rod, U-shaped card is fixedly installed on the outer wall of the bottom and top of box.

[0005] Preferably, the arm rod includes fixed rod, telescopic rod, guide bar, the front side of fixed rod is set with guide slot, the two ends of telescopic rod are fixedly installed with two guide bars, and telescopic rod and guide bar are slidably installed on the inside of guide slot.

[0006] Preferably, the transmission structure includes worm gear and worm, worm gear is fixedly installed on the outer wall of shaft block, worm is located on one side of worm gear, worm and worm gear are engaged, since worm gear and worm transmission have transmission ratio, transmission ratio is stable, labor intensity is reduced, safety operation risk is reduced, and every screw is ensured to be fastened in place.

[0007] Preferably, the fixed structure includes nut and butterfly bolt A, nut is fixedly installed on the top of fixed rod, butterfly bolt A is threadedly installed on nut, one end of butterfly bolt A is in contact with the outer wall of telescopic rod, for clamping telescopic rod, for the fixed length of arm rod, to facilitate staff to use.

[0008] Preferably, the bottom of the fixed rod is provided with a movable opening, the telescopic rod is provided with a threaded hole, the threaded hole is threadedly installed with a butterfly bolt B, and the butterfly bolt B is movably installed in the movable opening, so as to avoid the telescopic rod from being pulled out of the guide groove.

[0009] Preferably, the rear side of the handle is provided with a clamping groove, and the telescopic rod and the front end of the guide strip are clamped and installed in the clamping groove.

[0010] Preferably, a bearing is arranged between the worm and the sleeve box.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The efficient tool for tightening the screw of the pumping unit pressure lever can clamp the telescopic rod through the fixing structure, is used for fixing the use length of the arm rod, is convenient for the staff to use, the transmission ratio of the worm and the worm gear is large and stable, labor intensity is reduced, safety operation risk is reduced, and every screw is ensured to be fastened in place. BRIEF DESCRIPTION OF DRAWINGS

[0013] The utility model will be further explained in connection with the drawings and embodiments:

[0014] Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 2 It is another side structural schematic view of the utility model; Figure 1

[0016] Figure 3 It is a sectional view of the fixed rod of the utility model;

[0017] Figure 4 It is a sectional view of the sleeve box of the utility model.

[0018] The drawings are as follows: 1, sleeve box; 2, shaft block; 3, worm wheel; 4, worm; 5, fixed rod; 6, telescopic rod; 7, guide strip; 8, handle; 9, nut; 10, butterfly bolt A; 11, movable opening; 12, threaded hole; 13, butterfly bolt B; 14, guide groove; 15, screw hole; 16, U-shaped clamp. DETAILED DESCRIPTION

[0019] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used to supplement the description of the text part in the form of graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0020] Please refer to Figures 1-4 ​The utility model provides a technical scheme: a kind of high-efficiency tool for pumping unit pressure lever screw tight and loose, including box 1, the top and bottom of box 1 are rotatably installed with shaft block 2, shaft block 2 is equipped with screw port 15, the front side of box 1 is provided with arm rod, the front end of arm rod is provided with handle 8, further including setting on box 1, shaft block 2 transmission structure, arm rod is installed on the front side of transmission structure, by transmission structure, arm rod is rotated, for driving shaft block 2 to rotate together, fixed structure is set on arm rod, by fixed structure, for the fixed length of arm rod, U-shaped card 16 is fixedly installed on the bottom outer wall and top outer wall of box 1.

[0021] Further, arm rod includes fixed rod 5, telescopic rod 6, guide strip 7, the front side of fixed rod 5 is equipped with guide slot 14, guide strip 7 has two and is fixedly installed at the two ends of telescopic rod 6, telescopic rod 6 and guide strip 7 are slidably installed in the inside of guide slot 14.

[0022] Further, transmission structure includes worm wheel 3 and worm 4, worm wheel 3 is fixedly installed on the outer wall of shaft block 2, worm 4 is located at one side of worm wheel 3, worm 4 is engaged with worm wheel 3, manually twists handle 8, handle 8 drives telescopic rod 6, guide strip 7, fixed rod 5, worm 4 to rotate, the rotation of worm 4 drives worm wheel 3, shaft block 2, screw to rotate, can disassemble and assemble screw, because worm wheel 3 and worm 4 transmission have transmission ratio big, transmission ratio stable, reduce labor intensity, reduce safety operation risk, ensure that every screw is fastened in place.

[0023] Further, fixed structure includes nut 9 and butterfly bolt A10, nut 9 is fixedly installed on the top of fixed rod 5, butterfly bolt A10 is threadedly installed on nut 9, one end of butterfly bolt A10 is in contact with the outer wall of telescopic rod 6, manually pushes and pulls telescopic rod 6, controls the extension length of telescopic rod 6, manually twists butterfly bolt A10, so that one end of butterfly bolt A10 presses the top of telescopic rod 6, for the fixed length of arm rod, facilitate staff to use.

[0024] Further, the bottom of fixed rod 5 is equipped with movable mouth 11, telescopic rod 6 is equipped with threaded hole 12, butterfly bolt B13 is threadedly installed in threaded hole 12, butterfly bolt B13 is movably installed in movable mouth 11, for avoiding telescopic rod 6 from guide slot 14 pulling out.

[0025] Further, the rear side of handle 8 is equipped with clamping groove, the front end of telescopic rod 6 and guide strip 7 is clamped and installed in clamping groove.

[0026] Further, bearing is arranged between worm 4 and box 1.

[0027] Working principle: through manual push and pull telescopic rod 6, control the extension length of telescopic rod 6, manual twist butterfly bolt A10, make the one end of butterfly bolt A10 press the top of telescopic rod 6, for the fixed length of arm lever, the screw port 15 is set on the screw of pressure lever, and the U-shaped card 16 is clamped on the pressure lever under the motor, through manual twist handle 8, handle 8 drives telescopic rod 6, guide strip 7, fixed rod 5, worm 4 to rotate, the rotation of worm 4 drives worm wheel 3, shaft block 2, screw to rotate, can disassemble and assemble screw.

[0028] The embodiment of the utility model has been explained in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.

Claims

1. A high-efficiency tool for tightening the pumping unit pressure lever screw, comprising a box (1), the top and bottom of the box (1) are rotatably installed with an axle block (2), the axle block (2) is provided with a screw hole (15), the front side of the box (1) is provided with an arm rod, and the front end of the arm rod is provided with a handle (8), characterized in that, Also include: Set on the box (1), the shaft block (2) transmission structure, arm rod is installed on the front side of the transmission structure, through the transmission structure, the arm rod rotates, for driving the shaft block (2) to rotate together; The fixing structure is arranged on the arm rod, and the fixing structure is used for fixing the use length of the arm rod; The U-shaped clamp (16) is fixedly installed on the bottom outer wall and the top outer wall of the box (1).

2. A high efficiency tool for tightening or loosening the pumping unit compression rod screw according to claim 1, characterized in that: The arm rod includes a fixed rod (5), a telescopic rod (6) and a guide strip (7), the front side of the fixed rod (5) is provided with a guide groove (14), the guide strip (7) has two ends fixedly installed on the two ends of the telescopic rod (6), and the telescopic rod (6) and the guide strip (7) are slidably installed in the inner side of the guide groove (14).

3. A high efficiency tool for tightening or loosening the pumping unit compression rod screw according to claim 2, characterized in that: The transmission structure includes a worm wheel (3) and a worm (4), the worm wheel (3) is fixedly installed on the outer wall of the shaft block (2), the worm (4) is located on one side of the worm wheel (3), and the worm (4) is engaged with the worm wheel (3).

4. The high efficiency tool for tightening or loosening the pumping unit compression rod screw according to claim 3, characterized in that: The fixing structure includes a nut (9) and a butterfly bolt A (10), the nut (9) is fixedly installed on the top of the fixed rod (5), the butterfly bolt A (10) is threadedly installed on the nut (9), and one end of the butterfly bolt A (10) is in contact with the outer wall of the telescopic rod (6).

5. The high efficiency tool for tightening or loosening the pumping unit compression rod screw according to claim 4, characterized in that: The bottom of the fixed rod (5) is provided with a movable port (11), the telescopic rod (6) is provided with a threaded hole (12), the threaded hole (12) is threadedly installed with a butterfly bolt B (13), and the butterfly bolt B (13) is movably installed in the movable port (11).

6. A high efficiency tool for tightening or loosening the pumping unit compression rod screw according to claim 5, characterized in that: The rear side of the handle (8) is provided with a clamping groove, and the front ends of the telescopic rod (6) and the guide strip (7) are clamped and installed in the clamping groove.

7. A high efficiency tool for tightening or loosening the pumping unit compression rod screw according to claim 6, characterized in that: The worm (4) and the box (1) are provided with a bearing.

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