Water well pump lifting device convenient to disassemble and assemble

Abstract

The water well pump lifting device convenient to disassemble and assemble comprises a cross rod, a lifting hook is arranged on the cross rod in a sliding mode, a lifting mechanism is connected to the lifting hook in a hanging mode, a set of supporting rods are detachably arranged on the two sides of the cross rod respectively, each set of supporting rods comprises two supporting rods, the supporting rods in the same set are matched to form an A-shaped structure, and the supporting rods in the same set are connected with the lifting mechanism in a hanging mode. The tops of the supporting rods in the same set are in limiting fit with the cross rod in a coaxial rotating mode, the bottoms of the supporting rods in the same set are in limiting fit through a tensioned chain, when the included angle of the supporting rods in the same set changes, the height of the A-shaped mechanism changes synchronously, the length of the chain changes synchronously, and tensioning is kept; the device is convenient to disassemble and assemble, good in applicability, convenient to adjust and suitable for extraction operation on complex terrains.

Description

TECHNICAL FIELD

[0001] The utility model relates to water well and pumping test related equipment technical field, especially a water well pump lifting device convenient to dismount. BACKGROUND

[0002] Groundwater is an important water source for industrial and agricultural and domestic water, and the submersible pump is the main equipment for pumping water in the machine well. When applied, the submersible pump needs to be lowered into the water surface of the machine well to a certain depth to ensure a stable water inflow. When the user installs and maintains the submersible pump or the hydrogeological worker conducts pumping test, the submersible pump needs to be lifted from the water well or put into the well. The submersible pump, cable, water pipe and steel wire rope are heavy, usually 50-150 kg, and if they are operated by hand, it is dangerous and requires more people. During the installation process, it cannot be kept vertical, and problems such as shaking and pump jamming are likely to occur. The existing invention is a one-piece support, which is a gantry structure, not convenient for transportation and carrying, and the applicability needs to be improved when lifting the submersible pump of the deep machine well. SUMMARY

[0003] The utility model provides a water well pump lifting device convenient to dismount, aims at solving the above-mentioned water pump extraction process hand operation low efficiency, big security hidden danger, the existing water pump extraction device is one-piece structure causes inconvenient transportation, poor applicability problem.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of:

[0005] A water well pump lifting device convenient to dismount, comprising a crossbar, a lifting hook is slidably arranged on the crossbar, a hoisting mechanism is hung on the lifting hook, a group of supporting rods are detachably arranged on both sides of the crossbar, each group of supporting rods comprises two supporting rods, and the supporting rods in the same group cooperate to form an "A" structure, the top of the supporting rods in the same group is coaxially rotatable and limitingly matched with the crossbar, the bottom of the supporting rods in the same group is limitingly matched through a tightened chain, when the included angle of the supporting rods in the same group changes, the height of the "A" mechanism synchronously changes, and the length of the chain synchronously changes to keep tension, and the bottom of each supporting rod is provided with a rotating base.

[0006] As a preferred, a groove is arranged at the middle position of the crossbar, and threaded parts are arranged at both ends of the crossbar.

[0007] As a more preferred, the lifting hook comprises a sliding ring sleeved on the crossbar, the sliding ring slides along the crossbar in the axial direction, a hook part is arranged at the bottom of the outer side of the sliding ring in the radial direction, and the sliding ring is moved into the groove during the hooking operation, and the top of the sliding ring is limitingly matched with the groove.

[0008] As more preferably, the top of the support rod is provided with a sleeve, the sleeves of the same group of support rods are sleeved on the threaded part of the same side of the cross bar in an axially sliding manner, and the sleeves of the same group are located between two fastening nuts, and the fastening nuts are threadedly connected with the threaded part, when the fastening nuts are oppositely threadedly connected, the sleeves of the same group are clamped and fixed between the corresponding two fastening nuts.

[0009] As more preferably, the opposite sides of the support rods of the same group are provided with lock buckles which can be opened and closed, and the ends of the chains are hung in the lock buckles.

[0010] As more preferably, the two groups of support rods are symmetrically arranged about the groove.

[0011] As preferably, the rotating base comprises a fixed ball arranged at the bottom of the support rod, the top of the base body is provided with a spherical groove, the fixed ball is limitingly embedded in the spherical groove to form rotation, one side of the spherical groove is provided with a threaded hole, a compression screw is threadedly connected in the threaded hole, and the end of the compression screw is matched with the inner wall of the spherical groove to compress and fix the fixed ball.

[0012] As more preferably, the support rod and the fixed ball are welded and fixed.

[0013] As more preferably, the fixed ball and the spherical groove are concentric and coaxial, and the spherical groove is a spherical segment, the opening of the spherical groove is a section, and the vertical distance from the center of the spherical groove to the section in the radial direction is not more than the radius of the spherical groove.

[0014] As preferably, the lifting mechanism is a hand-operated hoist or an electric hoist.

[0015] The beneficial effects of the utility model are as follows:

[0016] The utility model can be quickly assembled during use, can be disassembled into several rod-shaped objects during transportation, is convenient to carry, is suitable for pump maintenance or pumping test of different well holes, and can be used for complex pump lifting operation of water wells. DRAWINGS

[0017] Figure 1 It is an appearance schematic view of the utility model;

[0018] Figure 2 It is a disassembly schematic view of the top of the support rod of the utility model;

[0019] Figure 3 It is an installation schematic view of the chain of the support rod of the utility model;

[0020] Figure 4 It is a disassembly schematic view of the rotating base of the utility model;

[0021] Figure 5This is a top view of the present invention;

[0022] In the diagram: 1. Crossbar; 11. Threaded section; 12. Groove;

[0023] 2. Hook; 21. Slip ring; 22. Hook part;

[0024] 3. Support rod; 31. Lock; 32. Collar;

[0025] 4. Tighten the nuts;

[0026] 5. Rotating base; 51. Fixed ball; 52. Base body; 53. Spherical groove; 54. Threaded hole; 55. Clamping screw;

[0027] 6. Chain; 7. Lifting mechanism. Detailed Implementation

[0028] The embodiments will be further described below with reference to the accompanying drawings.

[0029] like Figures 1-5 As shown in the preferred embodiment 1, a water well pump lifting device that is easy to assemble and disassemble includes a crossbar 1. A hook 2 is slidably provided on the crossbar 1, and a lifting mechanism 7 is attached to the hook 2. A set of support rods 3 is detachably provided on both sides of the crossbar 1. Each set of support rods 3 includes two support rods 3, and the support rods 3 in the same set cooperate to form an "A" structure. The top of the support rods 3 in the same set are coaxially rotatably limited to the crossbar 1, and the bottom of the support rods 3 in the same set are limited to the crossbar 1 by a taut chain 6. When the included angle of the support rods 3 in the same set changes, the height of the "A" structure changes synchronously, and the length of the chain 6 changes synchronously to keep it taut. Each support rod 3 has a rotating base 5 at its bottom.

[0030] The crossbar 1 provides downward pressure to the support rod 3. The bottom of the support rod 3 of the "A" mechanism tends to open. The tightened chain 6 can limit the opening width to determine the auxiliary angle, and at the same time provide an inward pulling force to ensure the load-bearing stability of the "A" mechanism.

[0031] In use, first determine the height of the crossbar 1 according to the actual usage situation, thereby determining the included angle of the support rod 3 and the required length of the chain 6. Adjust the included angle of the support rod 3 of the "A" mechanism to a suitable position, and tighten the top of the support rod 3 with fasteners. At the same time, tighten the chain 6 between the bottom of the support rod 3. Adjust the position of the rotating base 5 according to the unevenness of the ground to make the device stand up stably. Then, move the lifting mechanism 7 to a suitable position through the hook 2 to carry out the lifting operation.

[0032] As a preferred embodiment 2, the middle position of the crossbar 1 is provided with a groove 12 for confirming the middle position, and both ends of the crossbar 1 are provided with threaded portions 11 for clamping and fixing the support rods 3 at the top in cooperation with the fastening nuts 4.

[0033] As a preferred embodiment 3, the lifting hook 2 comprises a sliding ring 21 sleeved on the crossbar 1, the sliding ring 21 slides along the crossbar 1 in the axial direction, facilitating the movement of the lifting hook 2, and the outer bottom of the sliding ring 21 is provided with a hook portion 22 in the radial direction for hooking the lifting mechanism 7, when the hooking operation is performed, the sliding ring 21 moves into the groove 12, and the top of the sliding ring 21 is limitedly matched with the groove 12, facilitating the hooking in the middle, and ensuring the stability of the overall force of the support.

[0034] As a preferred embodiment 4, the top of the support rod 3 is provided with a sleeve ring 32, the sleeve rings 32 of the same group of support rods 3 are sleeved on the threaded portions 11 on the same side of the crossbar 1 in the axial direction, and the sleeve rings 32 of the same group are located between the two fastening nuts 4, and the fastening nuts 4 are threadedly matched with the threaded portions 11, when the fastening nuts 4 are oppositely threadedly matched, the sleeve rings 32 of the same group are clamped and fixed between the corresponding two fastening nuts 4.

[0035] In use, the fastening nuts 4 are gradually tightened in the opposite threaded direction, until the rotation of the sleeve rings 32 of the support rods 3 produces a damping feeling, at this time, the support rods 3 are slowly rotated, so that the clamping angle of the top thereof meets the requirements, and the fastening nuts 4 are further tightened to clamp and fix the top of the support rods 3 in the “A” structure.

[0036] As a preferred embodiment 5, the opposite sides of the same group of support rods 3 are provided with openable and closable buckles 31, the ends of the chains 6 are hung in the buckles 31, and the buckles 31 are located at the middle and lower parts of the support rods 3. Facilitating the installation of the chains 6, after the length of the chains 6 is confirmed, the two ends of the chains 6 of the fixed length are hung in the buckles 31 respectively, when disassembly is needed, the buckles 31 are opened to complete the disassembly.

[0037] As a preferred embodiment 6, two groups of support rods 3 are symmetrically arranged about the groove 12. Ensuring the stability of the force.

[0038] As a preferred embodiment 7, the rotating base 5 comprises a fixed ball 51 provided at the bottom of the support rod 3, a top of a base body 52 is provided with a spherical groove 53, the fixed ball 51 is limitingly embedded in the spherical groove 53 to form rotation, one side of the spherical groove 53 is provided with a threaded hole 54, a compression screw 55 is threadedly connected in the threaded hole 54, an end of the compression screw 55 is matched with the inner wall of the spherical groove 53 to compressively fix the fixed ball 51, and the bottom of the base body 52 is provided with a pad plate to prevent the support rod 3 from sinking into the ground.

[0039] In use, according to the land flat situation and the position required by the device, the spherical groove 53 is rotated around the fixed ball 51 until the bottom of the base body 52 can be stably contacted with the ground, the compression screw 55 is tightened, the end of the compression screw 55 is matched with the inner wall of the spherical groove 53 to compress and fix the fixed ball 51, so that the fixation of the base body 52 is completed.

[0040] As a preferred embodiment 8, the support rod 3 is welded with the fixed ball 51 to ensure stability.

[0041] As a preferred embodiment 9, the fixed ball 51 is concentric with the spherical groove 53, and the spherical groove 53 is a spherical segment, the opening of the spherical groove 53 is a section, and the vertical distance from the center of the spherical groove 53 to the section along the radial direction is not more than the radius of the spherical groove 53. The support rod 3 can be flexibly rotated within the limiting range of the opening of the spherical groove 53, while ensuring the fixed installation of the base body 52, the support rod 3 can be stably supported on the base body 52, and the support rod 3 is prevented from sinking into the ground during use. The spherical groove 53 is installed as a semi-open part relative to the installation, and is welded closed after installation, and is not removed again unless otherwise required, to prevent the loss of small parts and affect use. When disassembled, the base 5 and the corresponding support rod 3 are considered as a whole for disassembly.

[0042] As a preferred embodiment 10, the hoisting mechanism 7 is a hand-operated hoist or an electric hoist. It is convenient to extract.

[0043] The working principle of the utility model:

[0044] The cross rod 1 provides downward pressure to the support rod 3, and the bottom of the "A" mechanism support rod 3 has a tendency to open. The locked chain 6 is tightened to limit the opening width, thereby determining the auxiliary determination of the included angle, and also providing inward pulling force to ensure the stability of the "A" mechanism.

[0045] In use, the height of the cross rod 1 is determined according to the actual use situation, thereby determining the included angle of the support rod 3 and the length required by the locked chain 6. The included angle of the "A" mechanism support rod 3 is adjusted to an appropriate position, the top of the support rod 3 is compressed and fixed by the fastener, and the locked chain 6 is tightened between the bottoms of the support rod 3. According to the concave-convex degree of the land, the position of the rotating base 5 is adjusted, the device is stably erected, and the hoisting mechanism 7 is moved to an appropriate position through the lifting hook 2 to carry out lifting operation.

Claims

1. A water well pump lifting device that is easy to assemble and disassemble, comprising a crossbar (1), wherein a hook (2) is slidably provided on the crossbar (1), and a lifting mechanism (7) is attached to the hook (2), characterized in that, Both sides of the crossbar (1) are provided with a set of support rods (3). Each set of support rods (3) includes two support rods (3), and the support rods (3) in the same set cooperate to form an "A" structure. The top of the support rods (3) in the same set are coaxially rotatably limited to the crossbar (1). The bottom of the support rods (3) in the same set is limited by a taut chain (6). When the included angle of the support rods (3) in the same set changes, the height of the "A" structure changes synchronously, and the length of the chain (6) changes synchronously to keep it taut. Each support rod (3) has a rotating base (5) at its bottom.

2. The water well pumping device that is easy to assemble and disassemble according to claim 1, characterized in that, The crossbar (1) has a groove (12) in the middle and threaded portions (11) at both ends.

3. A water well pumping device that is easy to assemble and disassemble according to claim 2, characterized in that, The hook (2) includes a slip ring (21) sleeved on the crossbar (1). The slip ring (21) slides along the axial direction of the crossbar (1). The bottom outer side of the slip ring (21) is provided with a hook (22) in the radial direction. During the lifting operation, the slip ring (21) moves into the groove (12), and the top of the slip ring (21) forms a limiting fit with the groove (12).

4. A water well pumping device that is easy to assemble and disassemble according to claim 2, characterized in that, The top of each support rod (3) is provided with a collar (32). The collars (32) of the same group of support rods (3) can be slidably sleeved on the threaded part (11) on the same side of the crossbar (1) along the axial direction. The collars (32) of the same group are located between two fastening nuts (4). The fastening nuts (4) are threadedly engaged with the threaded part (11). When the fastening nuts (4) are threadedly engaged in opposite directions, the collars (32) of the same group are clamped and fixed between the corresponding two fastening nuts (4).

5. A water well pumping device that is easy to assemble and disassemble according to claim 2, characterized in that, Each of the support rods (3) in the same group has an openable latch (31) on one side. The end of the chain (6) is hooked into the latch (31). The latches (31) are all located in the lower middle part of the support rod (3).

6. A water well pumping device that is easy to assemble and disassemble according to claim 2, characterized in that, The two sets of support rods (3) are arranged symmetrically about the groove (12).

7. A water well pumping device that is easy to assemble and disassemble according to claim 1, characterized in that, Each rotating base (5) includes a fixed ball (51) located at the bottom of the support rod (3). The top of the base body (52) is provided with a spherical groove (53). The fixed ball (51) is limited and embedded in the spherical groove (53) to form rotation. A threaded hole (54) is provided on one side of the spherical groove (53). A clamping screw (55) is threaded into the threaded hole (54). The end of the clamping screw (55) cooperates with the inner wall of the spherical groove (53) to clamp and fix the fixed ball (51).

8. A water well pumping device that is easy to assemble and disassemble according to claim 7, characterized in that, The support rod (3) is welded and fixed to the fixed ball (51).

9. A water well pumping device that is easy to assemble and disassemble according to claim 7, characterized in that, The fixed ball (51) and the spherical groove (53) are concentric and coaxial, and the spherical groove (53) is a spherical notch. The opening of the spherical groove (53) is a cross section. The vertical distance from the center of the spherical groove (53) to the cross section along the radial direction does not exceed the radius of the spherical groove (53).

10. A water well pumping device that is easy to assemble and disassemble according to claim 1, characterized in that, The lifting mechanism (7) is a hand-operated hoist or an electric hoist.

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