CN218973728U

CN218973728U - Positioning jig for dynamic balance

Info

Publication number: CN218973728U
Application number: CN202223463061.0U
Authority: CN
Inventors: 张建伟; 郑海波; 仵文杰; 郭兆玺
Original assignee: Hartford Compressor Yantai Co ltd
Current assignee: Hartford Compressor Yantai Co ltd
Priority date: 2022-12-25
Filing date: 2022-12-25
Publication date: 2023-05-05
Anticipated expiration: 2032-12-25

Abstract

The utility model discloses a positioning jig for dynamic balance, which comprises a bottom plate, wherein a clamping groove is fixedly arranged on one side of the bottom plate, a first rod is movably inserted into the clamping groove, a fastening bolt is inserted into the clamping groove, a support sleeve is sleeved on the outer side of the first rod, a first locking ratchet wheel is movably arranged in the support sleeve, a first handle is arranged at the top of the first locking ratchet wheel, a second rod is movably sleeved in the support sleeve, a second locking ratchet wheel is movably arranged in the support sleeve, a second handle is arranged on one side of the second locking ratchet wheel, and a stud is fixedly arranged at the top of the second rod. Through the reference column that sets up, the soft structure that the reference column adopted can reduce the damage to screw rod rotor detection, and the structural stability of being convenient for, adjusting nut can install the reference column in the double-screw bolt outside simultaneously, and the spring can increase the threaded connection stability between reference column and the double-screw bolt, when can guaranteeing that the reference column is changed, increases stability, and the stable in structure of being convenient for avoids not hard up.

Description

Positioning jig for dynamic balance

Technical Field

The utility model belongs to the technical field of machining of screw rotors, and particularly relates to a positioning jig for dynamic balance.

Background

The screw pump rotor adopts double suction structure, the two ends of screw are in the same pressure cavity, the axial force can be balanced by itself, the bearings at the two ends adopt external type, and lubricating oil (grease) is adopted independently, so that the screw pump rotor is not influenced by conveying medium, a pair of synchronous gears are used for driving the two screws, the tooth surfaces of the screws are not contacted, a tiny gap is reserved, and impurities in the medium cannot directly abrade the tooth surfaces of the screws.

After the screw rotor is produced, the dynamic balance of the screw rotor needs to be detected, the existing mode is that a dynamic balancing machine does not have a locking mechanism, when a heavy hole is drilled, two persons need to operate simultaneously because the rotor rotates circumferentially, so that the situation that the operators need to occupy more manpower is generated, and the positioning jig for dynamic balance is provided based on the situation.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a positioning jig for dynamic balance, which solves the problem that when a balancing machine is free of a locking mechanism, a rotor is rotated circumferentially to avoid a positioning device when a heavy hole is drilled, two people are required to operate simultaneously, so that the situation that the labor is occupied by the operators is more is generated.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a dynamic balance is with location tool, includes the bottom plate, one side fixed mounting of bottom plate has the draw-in groove, the inside activity grafting of draw-in groove has first pole, the inside grafting of draw-in groove has fastening bolt, the outside of first pole has cup jointed the brace, the inside movable mounting of brace has first locking ratchet, first handle is installed at the top of first locking ratchet, the inside movable of brace has cup jointed the second pole, the inside movable mounting of brace has the second locking ratchet, the second handle is installed to one side of second locking ratchet, the top fixed mounting of second pole has the double-screw bolt, the outside movable sleeve of double-screw bolt has the reference column, the mounting groove has been seted up to the inside of reference column, the top fixed mounting of mounting groove inner chamber has the spring, the bottom fixed mounting of spring has the gasket, the bottom fixed mounting of reference column has adjusting nut, the inboard movable grafting of bottom plate has four mounting bolts, four the outside of mounting bolt has all movably sleeve the rubber ring, four the outside of mounting bolt has movably sleeve joint the outer side of a supporting bolt.

Preferably, the fastening bolt is screwed through the clamping groove and the first rod and extends to the outer side of the clamping groove.

By adopting the technical scheme, the advantage is that the fastening bolt can install the first pole in the inboard of draw-in groove.

Preferably, the first rod and the second rod are uniformly distributed in the support sleeve in a crisscross manner.

Through adopting above-mentioned technical scheme, advantage lies in that the cross bearing structure of first pole and second pole satisfies rotor location position, the inconsistent problem of diameter of being processed, the stable in structure of being convenient for.

Preferably, the inner side of the adjusting nut is in threaded connection with the outer side of the stud, and the positioning column is of a soft structure.

Through adopting above-mentioned technical scheme, advantage lies in being convenient for stable in structure, and adjusting nut can install the reference column in the double-screw bolt outside simultaneously.

Preferably, the specification and the size of the gasket and the spring are matched with the specification and the size of the mounting groove, and the bottom of the gasket is contacted with the top of the stud.

Through adopting above-mentioned technical scheme, advantage lies in that the spring can increase the threaded connection stability between reference column and the double-screw bolt, when can guaranteeing that the reference column is changed, increases stability, the stable in structure of being convenient for and avoid not hard up.

Preferably, one side of the rubber ring is fixedly arranged on one side of the bottom plate.

Through adopting above-mentioned technical scheme, advantage lies in the stability of the structure of being convenient for, and whole result of use is good.

Preferably, the four mounting bolts are uniformly distributed in the bottom plate in a rectangular shape.

By adopting the technical scheme, the utility model has the advantages of good overall use effect and convenient and stable installation and use.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the bottom plate that sets up, when the operation, the operation personnel at first pass through the bottom plate with the device and install in using position, and through extension board and bottom plate centre gripping at the mounted position, then make the mounting bolt run through fixed position, after the whole installation is stable, fix first pole in the position of bottom plate and draw-in groove, the screw rod rotor of detecting as required, make the position outside first pole of branch cover regulation, then rotate first handle and drive first locking ratchet and make the position of branch cover and first pole fixed, after the stable position, adjust the position that the second pole is located the branch cover inside, and rotate the second handle and drive second locking ratchet and rotate, make the position locking of second pole and branch cover, then after screw rod rotor rotates the spliced in screw rod rotor's screw groove, be convenient for carry out subsequent detection and use, this setting can reduce the operation personnel who detects, an individual can operate, use fund has been saved.

2. Through the reference column that sets up, the soft structure that the reference column adopted can reduce the damage to screw rod rotor detection, and the structural stability of being convenient for, adjusting nut can install the reference column in the double-screw bolt outside simultaneously, and the spring can increase the threaded connection stability between reference column and the double-screw bolt, when can guaranteeing that the reference column is changed, increases stability, and the stable in structure of being convenient for avoids not hard up.

Drawings

FIG. 1 is a schematic view of a front perspective view of the present utility model;

FIG. 2 is a schematic view of a rear-view perspective appearance structure of the present utility model;

FIG. 3 is a schematic view of the right side cross-sectional structure of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

In the figure: 1. a bottom plate; 2. a fastening bolt; 3. a support plate; 4. a clamping groove; 5. a first lever; 6. a first handle; 7. a first locking ratchet; 8. a second handle; 9. a second locking ratchet; 10. a support sleeve; 11. a second lever; 12. an adjusting nut; 13. positioning columns; 14. installing a bolt; 15. a rubber ring; 16. a mounting groove; 17. a spring; 18. a gasket; 19. a stud.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments of the present utility model, are within the scope of the present utility model.

As shown in fig. 1-4, a positioning jig for dynamic balance comprises a bottom plate 1, a clamping groove 4 is fixedly arranged on one side of the bottom plate 1, a first rod 5 is movably inserted into the clamping groove 4, a fastening bolt 2 is inserted into the clamping groove 4, a support sleeve 10 is sleeved on the outer side of the first rod 5, a first locking ratchet wheel 7 is movably arranged in the support sleeve 10, a first handle 6 is arranged at the top of the first locking ratchet wheel 7, a second rod 11 is movably sleeved in the support sleeve 10, a second locking ratchet wheel 9 is movably arranged in the support sleeve 10, a second handle 8 is arranged on one side of the second locking ratchet wheel 9, a stud 19 is fixedly arranged at the top of the second rod 11, a positioning column 13 is movably sleeved on the outer side of the stud 19, a mounting groove 16 is formed in the inner side of the positioning column 13, a spring 17 is fixedly arranged at the top of an inner cavity of the mounting groove 16, a gasket 18 is fixedly arranged at the bottom of the spring 17, an adjusting nut 12 is fixedly arranged at the bottom of the positioning column 13, four mounting bolts 14 are movably inserted on the inner side of the bottom plate 1, rubber rings 15 are movably sleeved on the outer sides of the four mounting bolts 14, and four mounting bolts 15 are movably sleeved on the outer sides of the rubber rings 15, and four mounting bolts 3 are movably sleeved on the outer sides of the mounting bolts 3.

The working principle of the technical scheme is as follows:

during operation, an operator installs the device at a using position through the bottom plate 1, clamps the device at an installing position through the support plate 3 and the bottom plate 1, then the installation bolt 14 penetrates through the fixing position, after the whole installation is stable, the first rod 5 is fixed at the positions of the bottom plate 1 and the clamping groove 4, then the screw rotor detected according to requirements is arranged at the outer side of the first rod 5, the first handle 6 is rotated to drive the first locking ratchet 7 to fix the positions of the support sleeve 10 and the first rod 5, after the position is stable, the second rod 11 is adjusted to be positioned at the inner position of the support sleeve 10, the second handle 8 is rotated to drive the second locking ratchet 9 to rotate, the second rod 11 is locked with the position of the support sleeve 10, then the positioning column 13 is inserted into a thread groove of the screw rotor after the screw rotor is rotated, subsequent detection and use are facilitated, the arrangement can reduce operators, one person can operate, and use funds are saved.

In another embodiment, as shown in fig. 1 and 2, the fastening bolt 2 is screwed through the clamping groove 4 and the first rod 5 and extends to the outside of the clamping groove 4.

The fastening bolt 2 can be used for installing the first rod 5 on the inner side of the clamping groove 4, and the whole device technology is applied to shaft workpieces with diameters of 100-400, lengths of 100-1500 and fixed point diameters of 80-400.

In another embodiment, as shown in fig. 1 and 2, the first rod 5 and the second rod 11 are uniformly distributed inside the brace 10 in a crisscross shape.

The cross support structure of the first rod 5 and the second rod 11 meets the problem of inconsistent positioning position and diameter of the processed rotor, and is convenient for stable structure.

In another embodiment, as shown in fig. 3 and 4, the inner side of the adjusting nut 12 is screwed with the outer side of the stud 19, and the positioning column 13 has a soft structure.

Through the reference column 13 that sets up, the soft structure that reference column 13 adopted can reduce the damage to screw rotor detection, and the stable in structure of being convenient for simultaneously adjusting nut 12 can install reference column 13 in the double-screw bolt 19 outside.

In another embodiment, as shown in fig. 3 and 4, the washer 18 and spring 17 are sized to fit the size of the mounting slot 16, with the bottom of the washer 18 contacting the top of the stud 19.

The spring 17 can increase the stability of threaded connection between the positioning column 13 and the stud 19, can ensure the replacement of the positioning column 13, and simultaneously, can increase the stability, thereby being convenient for the stable structure and avoiding loosening.

In another embodiment, as shown in fig. 2, one side of the rubber ring 15 is fixedly installed at one side of the base plate 1.

The rubber ring 15 can increase the friction force between the bottom plate 1 and the mounting surface, is convenient for the stability of the structure and has good integral use effect.

In another embodiment, as shown in fig. 1 and 2, four mounting bolts 14 are uniformly distributed in a rectangular shape inside the base plate 1.

The mounting bolts 14 can fixedly mount the bottom plate 1 at the use position, so that the whole use effect is good, and stable mounting and use are convenient.

The working principle and the using flow of the utility model are as follows: during operation, the operation personnel firstly install the device at the using position through the bottom plate 1, and through extension board 3 and bottom plate 1 centre gripping at the mounted position, then make mounting bolt 14 run through fixed position, after the whole installation is stable, fix first pole 5 in the position of bottom plate 1 and draw-in groove 4, then the screw rod rotor that detects as required, make the position outside first pole 5 be adjusted to the brace 10, then rotate first handle 6 and drive first locking ratchet 7 and make the position of brace 10 and first pole 5 fixed, after the stable position, adjust second pole 11 and be located the inside position of brace 10, and rotate second handle 8 and drive second locking ratchet 9 and rotate, make second pole 11 and the position locking of brace 10, then after screw rod rotor rotates, the spliced in the screw groove of screw rod rotor of reference column 13, be convenient for carry out subsequent detection and use, this setting can reduce the operating personnel who detects, a person can operate, use the fund has been saved, and through the reference column 13 that the soft structure that adopts can reduce the flexible to detect the screw rod rotor, can be increased the stability of the screw rod structure that can be changed, the stability of the screw rod 13 can be increased, the stability of the screw rod is guaranteed between the screw rod 13 and the screw rod is connected to the screw rod 13, the stability is guaranteed to the stability of the screw rod is 13, the stability is improved, the stability of the screw rod is connected to the screw bolt 13 is convenient for install the screw bolt 13, and the stability is increased, and the stability is guaranteed, and the stability of the structure is improved, and the 19 can be used 19.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dynamic balance is with location tool, includes bottom plate (1), its characterized in that: one side fixed mounting of bottom plate (1) has draw-in groove (4), the inside activity grafting of draw-in groove (4) has first pole (5), the inside grafting of draw-in groove (4) has fastening bolt (2), branch cover (10) have been cup jointed in the outside of first pole (5), the inside movable mounting of branch cover (10) has first locking ratchet (7), first handle (6) are installed at the top of first locking ratchet (7), second pole (11) have been cup jointed in the inside activity of branch cover (10), second handle (8) are installed to the inside movable mounting of branch cover (10), the top fixed mounting of second pole (11) has double-screw bolt (19), the outside movable mounting of double-screw bolt (19) has reference column (13), the internally mounted of reference column (13) has mounting groove (16), the top fixed mounting of mounting groove (16) inner chamber has spring (17), the inside movable mounting of spring (17) has second locking ratchet (9), one side of second handle (8) are installed to one side of second locking ratchet (9), the top fixed mounting of second pole (13) has four movable mounting of installing bolts (14) has, the bottom of four movable mounting bolts (14) of bottom plate (13), the outer sides of the four mounting bolts (14) are movably sleeved with support plates (3).

2. The positioning jig for dynamic balance according to claim 1, wherein: the fastening bolt (2) is in threaded connection with the through clamping groove (4) and the first rod (5) and extends to the outer side of the clamping groove (4).

3. The positioning jig for dynamic balance according to claim 1, wherein: the first rods (5) and the second rods (11) are uniformly distributed in the support sleeve (10) in a crisscross manner.

4. The positioning jig for dynamic balance according to claim 1, wherein: the inner side of the adjusting nut (12) is in threaded connection with the outer side of the stud (19), and the positioning column (13) is of a soft structure.

5. The positioning jig for dynamic balance according to claim 1, wherein: the specification and the size of the gasket (18) and the spring (17) are matched with the specification and the size of the mounting groove (16), and the bottom of the gasket (18) is contacted with the top of the stud (19).

6. The positioning jig for dynamic balance according to claim 1, wherein: one side of the rubber ring (15) is fixedly arranged on one side of the bottom plate (1).

7. The positioning jig for dynamic balance according to claim 1, wherein: the four mounting bolts (14) are uniformly distributed in the bottom plate (1) in a rectangular shape.