Special tension device for dismantling impeller in water pump

Abstract

The utility model relates to the field of impeller dismantling tension devices, and discloses a special tension device for dismantling an impeller in a water pump, which comprises a jack and an I-shaped plate, one side of the jack is fixedly connected with a connecting block, four corners of the outer wall of the connecting block are respectively provided with a supporting structure, and the front end of the jack is provided with a fixing structure. The supporting structure comprises two fixing blocks, the fixing blocks are fixedly connected with the outer wall of the connecting block, and a rotating block is rotationally connected between the fixing blocks on the two sides. The supporting plate can be driven by the rotating block to be poked to be vertical, the clamping rod can fix the positions of the supporting plate and the rotating plate so that the supporting plate and the rotating plate can make contact with the impeller, force can be evenly distributed on the surface of the impeller, the risk that the impeller is damaged is reduced, and the safety in the disassembling process is improved; therefore, the position of the jack is fixed after the jack is clamped in the middle, and the impeller is prevented from being impacted after the jack moves.

Description

TECHNICAL FIELD

[0001] The utility model relates to impeller dismantling tension device field especially relates to a special tension device of dismantling in water pump impeller. BACKGROUND

[0002] Water pump impeller is a key part in water pump, usually located inside the water pump, the main role is the rotational kinetic energy generated by the power source conversion into the kinetic energy of fluid, so as to realize the delivery of liquid, impeller in the use process may fail due to wear, corrosion, damage or blade fracture and other reasons, in this case, the impeller needs to be removed for repair or replacement, the impeller can also be thoroughly cleaned and maintained to prevent impurities, scale or other deposits from affecting the performance of the water pump.

[0003] At present, in the water pump maintenance process, some water pump impeller and water pump shell gap is small, it is not easy to remove the impeller, and the conventional tensioner position cannot be put in, not only prolongs the equipment maintenance time, affects the maintenance progress, but also easily removes the impeller.

[0004] Therefore, the skilled person in the art provides a special tension device for removing impeller in water pump to solve the problems in the background art. UTILITY MODEL CONTENT

[0005] The utility model discloses a special tension device for removing impeller in water pump, which can drive the support plate to be moved to stand up by the rotating block, the clamping rod can fix the position of the support plate and the rotating plate, so that it contacts with the impeller, helps the uniform distribution of force on the surface of the impeller, reduces the risk of impeller damage, improves the safety during disassembly, and the pressing plate can be brought close to the I-beam by the threaded screw rod, so that the impeller is clamped in the middle to fix the position of the jack, avoiding the impact on the impeller when the jack moves.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A special tension device for removing impeller in water pump, comprising a jack and an I-beam, the jack is fixedly connected with a connecting block on one side, the connecting block is provided with a support structure at the four corners of the outer wall, and the front end of the jack is provided with a fixing structure.

[0008] The support structure comprises two fixed blocks, the fixed blocks are fixedly connected with the outer wall of the connecting block, and a rotating block is rotatably connected between the two fixed blocks.

[0009] Through the technical scheme, the support plate is erected or folded when the rotating block rotates between the fixed blocks, the rotating plate is arranged to contact the impeller, thereby helping to evenly distribute the force on the impeller, improving the safety during impeller removal, and the clamping rod is arranged to clamp the rotating plate after the rotating plate rotates to contact the support plate, thereby fixing the two.

[0010] Further, the fixing structure comprises a fixing seat fixed with one side of the jack, a pressing plate slidingly connected to the upper and lower ends of the fixing seat, a threaded screw rod screwedly connected to the upper and lower ends of the fixing seat, and the threaded screw rod rotatably connected with the pressing plate on one side;

[0011] Through the technical scheme, the fixing seat is arranged to fix the jack on the I-beam to prevent movement during use, the pressing plate is arranged to contact the I-beam to clamp the I-beam between the upper and lower pressing plates, and the threaded screw rod is arranged to move the pressing plate upward or downward when it rotates.

[0012] Further, the support plate is provided with a sliding groove on both sides of the upper end, and the rotating plate is provided with a clamping groove on one side near the support plate;

[0013] Through the technical scheme, the clamping rod is arranged to be clamped into the clamping groove, thereby fixing the position of the rotating plate.

[0014] Further, the sliding groove is fixedly connected with a spring telescopic rod at the bottom, and the spring telescopic rod is fixedly connected with the clamping rod at the upper end;

[0015] Through the technical scheme, the spring telescopic rod is arranged to move the clamping rod downward after being stretched.

[0016] Further, the fixed block is screwedly connected with a locking screw rod at the front and rear ends;

[0017] Through the technical scheme, the locking screw rod is arranged to fix the position of the rotating block to prevent movement.

[0018] Further, the fixing seat is slidingly connected with a guide rod on both sides of the upper and lower ends, and the guide rod is fixedly connected with the pressing plate;

[0019] Through the technical scheme, the guide rod is arranged to guide the movement of the pressing plate.

[0020] Further, the fixing seat is provided with a through hole at the upper and lower ends, and the through hole is screwedly connected with the threaded screw rod;

[0021] Through the technical scheme, the threaded screw rod is arranged to rotate in the through hole, thereby moving the pressing plate.

[0022] Further, the outer wall of the I-shaped plate is provided with an iron plate on both sides, and the iron plate slides on the outer side of the I-shaped plate.

[0023] Through the technical scheme, the iron plate is arranged to facilitate the assembly and disassembly of the special pulling force equipment for the impeller.

[0024] The utility model discloses the following beneficial effects:

[0025] 1. The utility model discloses a special pulling force device for impeller dismounting in a water pump, compared with the existing impeller dismounting pulling force device, the safety during impeller dismounting is facilitated to improve through the arrangement of the supporting plate and the rotating plate, the supporting plate is erected by driving the rotating block upward, the position of the rotating block is locked, the rotating plate is rotated, and the clamping rod is clamped into the clamping groove of the rotating plate on one side, so that it is fixed with the supporting plate, the force applied by the jack is evenly distributed on the surface of the impeller, and the risk of impeller damage is reduced.

[0026] 2. The utility model discloses a special pulling force device for impeller dismounting in a water pump, compared with the existing impeller dismounting pulling force device, the position of the jack is fixed through the arrangement of the fixing seat, the I-shaped plate slides between the pressing plates at the upper end and the lower end, the pressing plate is driven to move downward by the threaded screw rod, the guiding rod plays a guiding role during the movement of the pressing plate, so that the jack is fixed on the plate, the position of the jack is prevented from moving during use, and impact on the impeller is caused.

[0027] 3. The utility model discloses a special pulling force device for impeller dismounting in a water pump, compared with the existing impeller dismounting pulling force device, the supporting plate can be driven to be erected by the rotating block, the clamping rod can fix the position of the supporting plate and the rotating plate, make it contact with the impeller, help the force to be evenly distributed on the surface of the impeller, reduce the risk of impeller damage, improve the safety during dismounting, the pressing plate can be driven to be close to the I-shaped plate by the threaded screw rod, so that the jack is fixed after being clamped in the middle, and impact on the impeller is avoided after the jack moves. DRAWINGS

[0028] Figure 1 The utility model discloses a special pulling force device for impeller dismounting in a water pump, compared with the existing impeller dismounting pulling force device, the position of the jack is fixed through the arrangement of the fixing seat, the I-shaped plate slides between the pressing plates at the upper end and the lower end, the pressing plate is driven to move downward by the threaded screw rod, the guiding rod plays a guiding role during the movement of the pressing plate, so that the jack is fixed on the plate, the position of the jack is prevented from moving during use, and impact on the impeller is caused.

[0029] Figure 2 The utility model discloses a special pulling force device for impeller dismounting in a water pump, compared with the existing impeller dismounting pulling force device, the position of the jack is fixed through the arrangement of the fixing seat, the I-shaped plate slides between the pressing plates at the upper end and the lower end, the pressing plate is driven to move downward by the threaded screw rod, the guiding rod plays a guiding role during the movement of the pressing plate, so that the jack is fixed on the plate, the position of the jack is prevented from moving during use, and impact on the impeller is caused.

[0030] Figure 3 The utility model discloses a special pulling force device for impeller dismounting in a water pump, compared with the existing impeller dismounting pulling force device, the position of the jack is fixed through the arrangement of the fixing seat, the I-shaped plate slides between the pressing plates at the upper end and the lower end, the pressing plate is driven to move downward by the threaded screw rod, the guiding rod plays a guiding role during the movement of the pressing plate, so that the jack is fixed on the plate, the position of the jack is prevented from moving during use, and impact on the impeller is caused.

[0031] Figure 4 A structure schematic view of the I-beam and the fixing seat of the special pulling device for removing the impeller in the water pump is provided for the utility model;

[0032] Figure 5 An explosion structure schematic view of the fixing seat of the special pulling device for removing the impeller in the water pump is provided for the utility model.

[0033] Legend:

[0034] 1, jack; 2, connecting block; 3, support structure; 301, fixed block; 302, rotating block; 303, support plate; 304, rotating plate; 305, sliding groove; 306, clamping rod; 307, spring telescopic rod; 308, clamping groove; 309, locking screw; 4, fixing structure; 401, fixing seat; 402, threaded screw; 403, guide rod; 404, pressing plate; 405, through hole; 5, I-beam; 6, iron plate. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0036] Reference Figures 1-3 , the utility model provides a kind of embodiment:

[0037] A special pulling device for removing the impeller in the water pump, including jack 1 and I-beam 5, jack 1 side is fixedly connected with connecting block 2, connecting block 2 outer wall four corners are all provided with support structure 3, and jack 1 front end is provided with fixed structure 4;

[0038] Support structure 3 includes two fixed blocks 301, and the fixed block 301 is fixedly connected with the outer wall of connecting block 2, and rotating block 302 is rotatably connected between the two fixed blocks 301, and locking screw 309 is threadedly connected to the front and rear ends of fixed block 301, and support plate 303 is fixedly connected to the upper end of rotating block 302, and rotating plate 304 is rotatably connected to the two sides of support plate 303, and clamping rod 306 is slidably connected to the inside of the two sides of the upper end of support plate 303, and sliding groove 305 is formed in the two sides of the upper end of support plate 303, and clamping groove 308 is formed in the side of the upper end of rotating plate 304 close to support plate 303, and spring telescopic rod 307 is fixedly connected to the inside bottom of sliding groove 305, and the upper end of spring telescopic rod 307 is fixedly connected with clamping rod 306;

[0039] Specifically, the setting of the rotating block 302 facilitates the vertical erection or retraction of the supporting plate 303 when the rotating block 302 rotates between the fixed blocks 301, the setting of the locking screw 309 facilitates the fixation of the position of the rotating block 302 to prevent movement, the setting of the supporting plate 303 and the rotating plate 304 facilitates contact with the impeller, thereby helping to evenly distribute the force on the impeller and improving the safety during impeller removal, the setting of the clamping rod 306 facilitates clamping of the rotating plate 304 after the rotating plate 304 is rotated to contact the supporting plate 303, thereby fixing the two, the setting of the clamping groove 308 facilitates the clamping rod 306 to be clamped into the clamping groove 308, thereby fixing the position of the rotating plate 304, and the setting of the spring telescopic rod 307 facilitates downward movement of the clamping rod 306 after being stretched.

[0040] With reference to Figure 1 , Figure 4 and Figure 5 , the fixing structure 4 comprises a fixing seat 401 fixed on one side of the jack 1, the fixing seat 401 is internally and slidably connected with a pressing plate 404 at the upper and lower ends, the fixing seat 401 is internally and screwedly connected with a threaded screw rod 402 at the upper and lower ends, the threaded screw rod 402 is rotationally connected with the pressing plate 404 on one side, the fixing seat 401 is provided with a through hole 405 at the upper and lower ends, the through hole 405 is screwedly connected with the threaded screw rod 402, and the fixing seat 401 is slidably connected with a guide rod 403 on the two sides of the upper and lower ends, and the guide rod 403 is fixedly connected with the pressing plate 404.

[0041] Specifically, the setting of the fixing seat 401 facilitates fixation of the jack 1 on the I-beam 5 to prevent movement during use, the setting of the pressing plate 404 facilitates contact with the I-beam 5, thereby clamping the I-beam 5 between the upper and lower pressing plates 404, the setting of the threaded screw rod 402 facilitates upward or downward movement of the pressing plate 404 when the threaded screw rod 402 rotates, the setting of the through hole 405 facilitates rotation of the threaded screw rod 402 in the through hole 405, thereby moving the pressing plate 404, and the setting of the guide rod 403 facilitates a certain guiding effect for the movement of the pressing plate 404.

[0042] With reference to Figure 1 , the I-beam 5 is provided with an iron plate 6 on the two sides of the outer wall, and the iron plate 6 slides on the outer side of the I-beam 5.

[0043] Specifically, the setting of the iron plate 6 facilitates assembly of the tension equipment dedicated for impeller disassembly.

[0044] Working principle: when using, the jack 1 is fixed on the I-shaped plate 5, and the two iron plates 6 are slidably connected with the I-shaped plate 5, the I-shaped plate 5 is slid between the pressing plates 404 at the upper and lower ends, the threaded rod 402 is rotated to rotate in the fixed seat 401, and the pressing plate 404 is driven to move downward, the guide rod 403 can guide the movement of the pressing plate 404, and the pressing plate 404 is guaranteed to move to contact with the I-shaped plate 5, so that the jack 1 is fixed on the plate, and the position of the jack 1 is prevented from moving during use, so as to cause impact on the impeller, the rotating block 302 is pushed upward to rotate between the fixed blocks 301 on both sides, and the supporting plate 303 is driven to stand up, the locking nut is screwed on the locking screw 309, the position of the rotating block 302 is locked, the rotating plate 304 is rotated, and the clamping rod 306 is pulled upward, so that the spring telescopic rod 307 is stretched, after the clamping rod 306 is loosened, the spring telescopic rod 307 drives it to move downward, so that one side of the clamping rod 306 is clamped into the clamping groove 308 of the rotating plate 304, so that the clamping rod 306 is fixed with the supporting plate 303, the force applied by the jack 1 is evenly distributed on the surface of the impeller, the risk of damage to the impeller is reduced, and after use, the locking screw 309 at the front end is taken out, the rotating block 302 is pushed to be parallel to the jack 1.

[0045] Finally, it should be pointed out that: the above only for the preferred specific embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing specific embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each specific embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A special pulling device for removing the impeller in a water pump, comprising a jack (1) and an I-beam (5), characterized in that: A connecting block (2) is fixedly connected to one side of the jack (1), and a support structure (3) is provided at each of the four corners of the outer wall of the connecting block (2). A fixing structure (4) is provided at the front end of the jack (1). The support structure (3) includes two fixed blocks (301), which are fixedly connected to the outer wall of the connecting block (2). A rotating block (302) is rotatably connected between the two fixed blocks (301). A support plate (303) is fixedly connected to the upper end of the rotating block (302). Rotating plates (304) are rotatably connected to both sides of the support plate (303). A locking rod (306) is slidably connected to the inner sides of the upper end of the support plate (303).

2. The special pulling device for impeller removal in a water pump according to claim 1, characterized in that: The fixing structure (4) includes a fixing seat (401), which is fixed to one side of the jack (1). The upper and lower ends of the fixing seat (401) are slidably connected to pressure plates (404). The upper and lower ends of the fixing seat (401) are threadedly connected to threaded screws (402). One side of the threaded screws (402) is rotatably connected to the pressure plates (404).

3. The special pulling device for impeller removal in a water pump according to claim 1, characterized in that: The upper end of the support plate (303) is provided with sliding grooves (305) on both sides, and the upper end of the rotating plate (304) is provided with a slot (308) on the side near the support plate (303).

4. A special pulling device for impeller removal in a water pump according to claim 3, characterized in that: A spring telescopic rod (307) is fixedly connected to the bottom of the slide groove (305), and the upper end of the spring telescopic rod (307) is fixedly connected to the locking rod (306).

5. A special pulling device for impeller removal in a water pump according to claim 1, characterized in that: The fixing block (301) has locking screws (309) threadedly connected to both the front and rear ends.

6. A special pulling device for impeller removal in a water pump according to claim 2, characterized in that: Guide rods (403) are slidably connected to both sides of the upper and lower ends of the fixed base (401), and the guide rods (403) are fixedly connected to the pressure plate (404).

7. A special pulling device for impeller removal in a water pump according to claim 2, characterized in that: The fixed base (401) has through holes (405) at both the upper and lower ends, and the through holes (405) are threadedly connected to the threaded screw (402).

8. A special pulling device for impeller removal in a water pump according to claim 1, characterized in that: Iron plates (6) are provided on both sides of the outer wall of the I-beam (5), and the iron plates (6) slide on the outside of the I-beam (5).

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