CN218882538U - Centrifugal pump impeller subassembly detection device - Google Patents

Centrifugal pump impeller subassembly detection device Download PDF

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Publication number
CN218882538U
CN218882538U CN202320021030.5U CN202320021030U CN218882538U CN 218882538 U CN218882538 U CN 218882538U CN 202320021030 U CN202320021030 U CN 202320021030U CN 218882538 U CN218882538 U CN 218882538U
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box
fixed
centrifugal pump
rod
pump impeller
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CN202320021030.5U
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Chinese (zh)
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符丽
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Lanzhou University of Technology
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Lanzhou University of Technology
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00Energy generation of nuclear origin
    • Y02E30/30Nuclear fission reactors

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Abstract

The utility model provides a centrifugal pump impeller subassembly detection device belongs to centrifugal pump detection technology field, technical problem such as unable guarantee safety when it has solved detection impeller subassembly. This centrifugal pump impeller subassembly detection device, the power distribution box comprises a box body, the box internal fixation has two curb plate groups, every curb plate group comprises two curb plates, it is connected with the belt shaft drive wheel to rotate between two curb plates, the box internal fixation has the motor case, the output axle head and the belt shaft drive wheel fixed connection of motor case, two through-holes one have been seted up at the box top, through-hole one corresponds from top to bottom with the belt shaft drive wheel, a through-hole internal rotation is connected with the second axostylus axostyle, the cover is equipped with the belt between second axostylus axostyle and the belt shaft drive wheel outside, be provided with two detection mechanism on the box, the box left and right sides all is provided with fixed establishment. The utility model has the advantages of the security is ensured when realizing detecting centrifugal pump impeller subassembly.

Description

Centrifugal pump impeller assembly detection device
Technical Field
The utility model belongs to the technical field of the centrifugal pump detects, a detection device, especially a centrifugal pump impeller subassembly detection device is related to.
Background
The impeller of centrifugal pump is driven by the pump shaft, pump shaft and impeller pivoted unbalance can arouse radial skew, make the pump shaft receive unnecessary dynamic load, cause certain wearing and tearing to the centrifugal pump, accessible detection sensor detects the dynamic balance of impeller and pump shaft before the impeller assembly, current some detection device drives the pump shaft rotation again after will being equipped with the pump shaft of impeller and fixing to the device and detect, can restrict the skew of pump shaft to the rigid centre gripping of pump shaft or drive, can influence the dynamic balance detection to the pump shaft.
Through retrieval, as chinese patent document discloses a centrifugal pump impeller subassembly detection device [ application number: 202222307168.X; publication No.: CN 217687674U). The centrifugal pump impeller component detection device comprises a box body, wherein first vertical plate groups are arranged at four corners of the upper end of the box body, transmission roller shafts are rotationally connected in the first vertical plate groups in an up-down symmetrical mode, the left side of the transmission roller shafts and the right side of the transmission roller shafts are sleeved with belts, polished rods are arranged at four corners of the inside of the box body, base plates are movably connected between the polished rods, second vertical plate groups are arranged at the left side and the right side of the upper end of each base plate, belt shaft transmission wheels and belt shaft pressing holding discs are respectively connected in the second vertical plate groups in an up-down rotating mode, motors are arranged in the middle of the upper ends of the base plates, the output ends of the motors are connected with the left side of the belt shaft transmission wheels, strip holes are formed in the left-right symmetrical mode of the upper side wall of the box body, and the pump shaft is limited and fixed, and the possibility of pump shaft deviation is reserved so that action balance detection can be conducted on the pump shaft.
Although the belt disclosed in this patent can let the pump shaft carry out certain skew, this belt is relatively weak to the fixed ability of pump shaft, and when impeller subassembly had a problem, the violent rocking that can't predetermine can appear in the pump shaft pivoted in-process, and the belt can't provide sufficient safety guarantee, and rocking that impeller subassembly trouble brought can drive the belt and rock together moreover, and both can produce interact, make the data that detect inaccurate enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a centrifugal pump impeller subassembly detection device, the technical problem that this utility model will solve is: how to realize the security guarantee when detecting centrifugal pump impeller subassembly.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a centrifugal pump impeller subassembly detection device, the power distribution box comprises a box body, the box internal fixation has two curb plate groups, every curb plate group comprises two curb plates, it has the tape spool drive wheel to rotate between two curb plates, the box internal fixation has the motor case, the output axle head and the tape spool drive wheel fixed connection of motor case, two through-holes one have been seted up at the box top, through-hole one corresponds from top to bottom with the tape spool drive wheel, a through-hole internal rotation is connected with the second axostylus axostyle, the cover is equipped with the belt between the second axostylus axostyle and the tape spool drive wheel outside, be provided with two detection mechanism on the box, the box left and right sides all is provided with fixed establishment.
The utility model discloses a theory of operation is: at first the belt is pulled up, the pump shaft that will be equipped with the impeller passes two belts, then pushes down detection mechanism, place the pump shaft on detection mechanism, rotatory fixed establishment again, keep off the pump shaft both ends, prevent the pump shaft back-and-forth movement, drive through the motor and take the axle drive wheel to rotate, take the axle drive wheel to drive belt drive, the belt drives the pump shaft and rotates, the pump shaft rotates the in-process and detects impeller subassembly through detection mechanism, the realization is protected the security that centrifugal pump impeller subassembly detected time measuring.
The detection mechanism comprises a fixed box, the fixed box is fixedly connected with the box body, a detection sensor is fixed in the fixed box, a telescopic rod is fixed on the detection sensor, a spring is sleeved on the telescopic rod, a supporting rod is fixed on the telescopic rod, a second through hole is formed in the fixed box, the supporting rod is slidably connected with the second through hole, and a protection mechanism is arranged on the supporting rod.
The pump shaft is placed on the protection mechanism by adopting the structure, the pump shaft is pressed downwards by the downward pressure of the belt, the protection mechanism presses the support rod downwards, the support rod presses the spring downwards to enable the support rod to contract, the telescopic rod moves downwards, the pump shaft receives the downward force of the belt and the upward force of the spring at the moment, the pump shaft is tensioned with the belt by the belt shaft driving wheel, and the situation that the pump shaft cannot be driven to rotate by the belt due to the fact that the belt is loosened is prevented.
The protection mechanism comprises an upper fixing ring, a rotating shaft is rotatably connected to the upper fixing ring, a lower fixing ring is fixed to the rotating shaft, fixing plates are fixed to the upper fixing ring and the lower fixing ring, a plurality of fixing holes are formed in the fixing plates, and the lower fixing ring is fixedly connected with the supporting rod.
Structure more than adopting, with the upper fixed ring along the pivot rotation open, place the pump shaft, close the upper fixed ring again, with the fixed plate on bolt fastening upper fixed ring and the lower fixed ring, can provide the safety guarantee when impeller subassembly trouble.
The fixing mechanism comprises a fixing rod, the fixing rod is fixedly connected with the box body, a sliding groove is formed in the fixing rod, a sliding rod is connected in the sliding groove in a sliding mode, a push plate is fixedly connected onto the sliding rod, a plurality of clamping plates are fixed onto the push plate, the outer wall of the fixing rod is rotatably connected with a baffle, a plurality of limiting grooves are formed in the baffle, and the limiting grooves are connected with the clamping plates in a sliding mode.
Structure more than adopting, with the pump shaft fixed good back, rotate baffle to pump shaft both sides, press the push pedal, cardboard in the push pedal cooperatees with the draw-in groove on the baffle, fixes the baffle, pump shaft back-and-forth movement when preventing the impeller subassembly trouble.
A plurality of rolling grooves are formed in the inner walls of the upper fixing ring and the lower fixing ring, and rollers are rotationally connected in the rolling grooves.
By adopting the structure, when the belt drives the pump shaft to rotate, the upper fixing ring and the lower fixing ring are not abraded through the arranged idler wheels.
The first through hole is rotatably connected with two first round shaft rods, and the two first round shaft rods are arranged on the front side and the rear side of the second round shaft rod.
Structure more than adopting, through the first round axostylus axostyle and the second round axostylus axostyle that set up, can guarantee belt transmission's stability with the belt centre gripping between first round axostylus axostyle and second round axostylus axostyle.
One end of the baffle, which is far away from the push plate, is provided with a spongy cushion.
By adopting the structure, the sponge cushion is arranged, so that the pump shaft can be prevented from damaging the baffle in the detection process.
Compared with the prior art, this centrifugal pump impeller subassembly detection device has following advantage:
1. at first the belt is pulled up, the pump shaft that will be equipped with the impeller passes two belts, then pushes down detection mechanism, place the pump shaft on detection mechanism, rotatory fixed establishment again, keep off the pump shaft both ends, prevent the pump shaft back-and-forth movement, drive the tape spool drive wheel through the motor and rotate, the tape spool drive wheel drives belt drive, the belt drives the pump shaft and rotates, the pump shaft rotates the in-process and detects impeller subassembly through detection mechanism, the realization is protected the security when centrifugal pump impeller subassembly detects.
2. The pump shaft is placed on the protection mechanism, the downward pressure of the belt is received, the protection mechanism is pressed downwards, the protection mechanism presses the supporting rod downwards, the supporting rod presses the spring downwards to enable the supporting rod to contract, the telescopic rod moves downwards, the pump shaft receives the downward force of the belt and the upward force of the spring at the moment, the pump shaft is tensioned with the belt by the belt shaft driving wheel, and the situation that the belt is loosened and cannot drive the pump shaft to rotate is prevented.
3. The upper fixing ring is opened along the rotation of the rotating shaft, the pump shaft is placed, the upper fixing ring is closed, the upper fixing ring and the lower fixing ring are fixed through bolts, and safety guarantee can be provided when the impeller assembly breaks down.
4. After fixing the pump shaft, rotating baffle to pump shaft both sides, pressing the push pedal, cardboard in the push pedal cooperatees with the draw-in groove on the baffle, fixes the baffle, pump shaft back-and-forth movement when preventing the impeller subassembly trouble.
5. Through the gyro wheel that sets up, when the belt drove the pump shaft rotation, can not produce wearing and tearing to solid fixed ring of upper fixed ring and lower fixed ring.
6. Through the first round axostylus axostyle and the second round axostylus axostyle that set up, can guarantee belt transmission's stability with the belt centre gripping between first round axostylus axostyle and second round axostylus axostyle.
7. Through the spongy cushion, the pump shaft can be guaranteed not to cause the damage to the baffle in the testing process.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the structure at a in fig. 1.
Fig. 3 is a schematic perspective view of the present invention.
Fig. 4 is a schematic structural diagram of the middle fixing mechanism of the present invention.
Fig. 5 is a cross-sectional view of the detecting mechanism of the present invention.
In the figure, 1, a box body; 2. a baffle plate; 3. pushing a plate; 4. an upper fixing ring; 5. a belt; 6. a first round shaft lever; 7. a second circular shaft rod; 8. a fixing plate; 9. a fixing hole; 10. a support bar; 11. a stationary box; 12. a side plate; 13. a motor case; 14. a slide bar; 15. clamping a plate; 16. a limiting groove; 17. a rotating shaft; 18. a roller; 19. fixing the rod; 20. a telescopic rod; 21. a spring; 22. a detection sensor; 23. and a lower fixing ring.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-5, this centrifugal pump impeller subassembly detection device, including box 1, box 1 internal fixation has two curb plate 12 groups, every curb plate 12 group comprises two curb plates 12, it has the tape spool drive wheel to rotate to be connected with between two curb plates 12, box 1 internal fixation has motor case 13, motor case 13's output shaft end and tape spool drive wheel fixed connection, box 1 top has been seted up two through-holes one, through-hole one corresponds from top to bottom with the tape spool drive wheel, through-hole one internal rotation is connected with second shaft pole 7, the cover is equipped with belt 5 between second shaft pole 7 and the tape spool drive wheel outside, box 1 is last to be provided with two detection mechanism, the box 1 left and right sides all is provided with fixed establishment.
At first pull up belt 5, the pump shaft that will be equipped with the impeller passes two belts 5, then push down detection mechanism, place the pump shaft on detection mechanism, rotatory fixed establishment again, keep off the pump shaft both ends, prevent the pump shaft back-and-forth movement, drive the tape spool drive wheel through the motor and rotate, the tape spool drive wheel drives the transmission of belt 5, belt 5 drives the pump shaft and rotates, the pump shaft rotates the in-process and detects impeller subassembly through detection mechanism, the realization is protected centrifugal pump impeller subassembly security when examining time measuring.
Detection mechanism includes fixed case 11, fixed case 11 and 1 fixed connection of box, and fixed case 11 internal fixation has detection sensor 22, is fixed with telescopic link 20 on the detection sensor 22, and the cover is equipped with spring 21 on the telescopic link 20, is fixed with bracing piece 10 on the telescopic link 20, has seted up through-hole two on the fixed case 11, and bracing piece 10 and two sliding connection of through-hole are provided with protection machanism on the bracing piece 10.
Structure more than adopting places the pump shaft on protection machanism, receives the decurrent pressure of belt 5, pushes down protection machanism, and protection machanism pushes down bracing piece 10, and bracing piece 10 pushes down spring 21 and makes its shrink, and telescopic link 20 moves down, and the pump shaft receives the decurrent power of belt 5 and the ascending power of spring 21 this moment, guarantees that the pump shaft is taut with belt shaft drive wheel belt 5, prevents that belt 5 from crossing loose unable drive pump shaft rotation.
The protection mechanism includes solid fixed ring 4, and the last rotation of solid fixed ring 4 is connected with pivot 17, is fixed with solid fixed ring 23 down in the pivot 17, all is fixed with fixed plate 8 on solid fixed ring 4 and the solid fixed ring 23 down, has seted up a plurality of fixed orificess 9 on the fixed plate 8, gu fixed ring 23 and bracing piece 10 fixed connection down.
With the structure, the upper fixing ring 4 is opened along the rotation of the rotating shaft 17, the pump shaft is placed, the upper fixing ring 4 is closed, the upper fixing ring 4 and the lower fixing ring 23 are fixed by the fixing plates 8 through bolts, and safety guarantee can be provided when the impeller assembly breaks down.
The fixing mechanism comprises a fixing rod 19, the fixing rod 19 is fixedly connected with the box body 1, a sliding groove is formed in the fixing rod 19, a sliding rod 14 is connected in the sliding groove in a sliding mode, a push plate 3 is fixedly connected onto the sliding rod 14, a plurality of clamping plates 15 are fixed onto the push plate 3, a baffle 2 is connected to the outer wall of the fixing rod 19 in a rotating mode, a plurality of limiting grooves 16 are formed in the baffle 2, and the limiting grooves 16 are connected with the clamping plates 15 in a sliding mode.
Structure more than adopting, after fixing the pump shaft, rotating baffle 2 to pump shaft both sides, pressing push pedal 3, cardboard 15 on the push pedal 3 cooperatees with the draw-in groove on the baffle 2, fixes baffle 2, pump shaft back-and-forth movement when preventing the impeller subassembly trouble.
A plurality of rolling grooves are formed in the inner walls of the upper fixing ring 4 and the lower fixing ring 23, and rollers 18 are rotationally connected in the rolling grooves.
By adopting the structure, the belt 5 can not abrade the upper fixing ring 4 and the lower fixing ring 23 when driving the pump shaft to rotate through the arranged idler wheel 18.
A through hole is connected with two first round shaft levers 6 in a rotating mode, and the two first round shaft levers 6 are arranged on the front side and the rear side of a second round shaft lever 7.
Structure more than adopting, through the first round axostylus axostyle 6 and the second round axostylus axostyle 7 that set up, can guarantee the driven stability of belt 5 with 5 centre grippings of belt between first round axostylus axostyle 6 and second round axostylus axostyle 7.
One end of the baffle 2, which is far away from the push plate 3, is provided with a spongy cushion.
By adopting the structure, the sponge cushion is arranged, so that the pump shaft can be prevented from damaging the baffle 2 in the detection process.
The utility model discloses a theory of operation: the pump shaft with the impeller is pulled up firstly, the pump shaft penetrates through the two belts 5, the detection mechanism is pressed downwards, the upper fixing ring 4 is opened, the pump shaft is placed on the lower fixing ring 23, then the upper fixing ring 4 is closed, the fixing plates 8 on the upper fixing ring 4 and the lower fixing ring 23 are fixed through bolts, the pump shaft is pressed downwards by the belts 5, the lower fixing ring 23 is pressed downwards by the lower fixing ring 23, the supporting rods 10 press the springs 21 downwards to shrink, the telescopic rod 20 moves downwards, the pump shaft is pressed by the downward force of the belts 5 and the upward force of the springs 21 at the moment, the belt 5 is tightly tensioned by the pump shaft and the belt shaft driving wheel, the baffle 2 is rotated to two sides of the pump shaft after the pump shaft is fixed, the push plate 3 is pressed, the clamping plate 15 on the push plate 3 is matched with the clamping grooves in the baffle 2, the baffle 2 is fixed, the pump shaft is prevented from moving forwards and backwards, the belt shaft driving wheel is driven to rotate, the belt shaft driving wheel drives the belts 5 to drive the pump shaft to rotate, the pump shaft 5 to rotate, the pressure generated in the rotation process of the impeller assembly is monitored through the detection sensor 22, and the safety of the centrifugal pump assembly during detection is guaranteed.
In conclusion, through detection mechanism and fixed establishment, the function that the security was ensured when realizing detecting centrifugal pump impeller subassembly.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (7)

1. The utility model provides a centrifugal pump impeller subassembly detection device, including box (1), a serial communication port, box (1) internal fixation has two curb plate groups, every curb plate group comprises two curb plates (12), it has the tape spool drive wheel to rotate between two curb plates (12), box (1) internal fixation has motor case (13), the output axle head and the tape spool drive wheel fixed connection of motor case (13), two through-holes one have been seted up at box (1) top, through-hole one corresponds from top to bottom with the tape spool drive wheel, through-hole one internal rotation is connected with second axostylus axostyle (7), the cover is equipped with belt (5) between second axostylus axostyle (7) and the tape spool drive wheel outside, be provided with two detection mechanism on box (1), the box (1) left and right sides all is provided with fixed establishment.
2. The centrifugal pump impeller assembly detection device according to claim 1, wherein the detection mechanism comprises a fixed box (11), the fixed box (11) is fixedly connected with the box body (1), a detection sensor (22) is fixed in the fixed box (11), a telescopic rod (20) is fixed on the detection sensor (22), a spring (21) is sleeved on the telescopic rod (20), a support rod (10) is fixed on the telescopic rod (20), a second through hole is formed in the fixed box (11), the support rod (10) is slidably connected with the second through hole, and a protection mechanism is arranged on the support rod (10).
3. The centrifugal pump impeller assembly detection device according to claim 2, wherein the protection mechanism comprises an upper fixing ring (4), a rotating shaft (17) is rotatably connected to the upper fixing ring (4), a lower fixing ring (23) is fixed to the rotating shaft (17), fixing plates (8) are fixed to the upper fixing ring (4) and the lower fixing ring (23), a plurality of fixing holes (9) are formed in the fixing plates (8), and the lower fixing ring (23) is fixedly connected with the support rod (10).
4. The centrifugal pump impeller assembly detection device as claimed in claim 1, wherein the fixing mechanism comprises a fixing rod (19), the fixing rod (19) is fixedly connected with the box body (1), a sliding groove is formed in the fixing rod (19), a sliding rod (14) is slidably connected in the sliding groove, a push plate (3) is fixedly connected to the sliding rod (14), a plurality of clamping plates (15) are fixed to the push plate (3), a baffle (2) is rotatably connected to the outer wall of the fixing rod (19), a plurality of limiting grooves (16) are formed in the baffle (2), and the limiting grooves (16) are slidably connected with the clamping plates (15).
5. The centrifugal pump impeller assembly detection device according to claim 3, wherein the inner walls of the upper fixing ring (4) and the lower fixing ring (23) are provided with a plurality of rolling grooves, and the rolling grooves are rotatably connected with rollers (18).
6. The centrifugal pump impeller assembly detection device according to claim 1, wherein two first circular shaft rods (6) are rotatably connected in the through hole, and the two first circular shaft rods (6) are arranged on the front side and the rear side of the second circular shaft rod (7).
7. A centrifugal pump impeller assembly testing device according to claim 4, characterized in that the end of the baffle plate (2) remote from the push plate (3) is provided with a sponge pad.
CN202320021030.5U 2023-01-05 2023-01-05 Centrifugal pump impeller subassembly detection device Active CN218882538U (en)

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Application Number Priority Date Filing Date Title
CN202320021030.5U CN218882538U (en) 2023-01-05 2023-01-05 Centrifugal pump impeller subassembly detection device

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Application Number Priority Date Filing Date Title
CN202320021030.5U CN218882538U (en) 2023-01-05 2023-01-05 Centrifugal pump impeller subassembly detection device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118050115A (en) * 2024-04-15 2024-05-17 江苏华洋新思路能源装备股份有限公司 Furnace roller installation dynamic balance testing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118050115A (en) * 2024-04-15 2024-05-17 江苏华洋新思路能源装备股份有限公司 Furnace roller installation dynamic balance testing device

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