CN115816052B - Coupler concentricity correcting device and correcting method thereof - Google Patents

Abstract

The invention discloses a device and a method for correcting concentricity of a coupler, and particularly relates to the field of coupler correction, comprising a fixed plate, wherein the top end of the fixed plate is provided with a sliding rail, the top end of the fixed plate is connected with two groups of sliding frames in a sliding way through the sliding rail, and the shaft ends of a water pump and a motor are different due to different types, so that the two groups of sliding frames can slide on the surface of the fixed plate according to the sliding rail to adjust the connection interval between the two ends, the top ends of the sliding frames are fixedly connected with the same number of upper positioning plates, the two groups of upper positioning plates are internally provided with the same number of positioning jacks, and a fan-shaped group mechanism formed by four groups of switch closed fan blades forms air flow to radiate heat released from an inserting hole inside the coupler, thereby avoiding the overlarge heat at the connecting end of the shaft part to accelerate the loss of the coupler and the shaft end in the process of the concentricity correction of the coupler, and prolonging the service life of the coupler and the shaft end.

Description

Coupler concentricity correcting device and correcting method thereof

Technical Field

The invention relates to the technical field of coupling correction, in particular to a device and a method for correcting concentricity of a coupling.

Background

The water pump shaft coupling is used for connecting the water pump shaft end and the motor shaft end, and because the motor needs to drive the operation of the water pump, in order to enable the water pump shaft end to be difficult to break when rotating at a high speed, 45 steel is often adopted in the prior art to manufacture the water pump shaft coupling through heat treatment, so that the water pump shaft coupling achieves torque and tensile strength with proper performances.

Because the water pump shaft coupling among the prior art needs dock water pump shaft end and motor shaft end, consequently, need appurtenance to dock the two, according to in the chinese patent number CN214199885U among the prior art, it is fixed with the counter wheel through the bolt, opposite side installation terminal surface table and excircle table can be measured, radial alignment frame all is fixed with the bolt simultaneously, terminal surface table and excircle table are fixed with the jackscrew, and then the rigidity is strong, the installation is firm, the reading is accurate, and axial and radial all have adjustment part, can be applicable to the shaft coupling centering of various sizes counter wheels and different length, application range is wide.

However, in the implementation process, the axial and radial adjusting parts arranged on the shaft coupling are utilized to realize relatively simple alignment of centers of the shaft coupling with various sizes and different lengths, and as the axial and radial adjusting parts adjust the distance through sliding at the end parts of the shaft coupling, the stability of trial operation after the connection of the motor, the shaft coupling and the water pump is poor, and the center alignment accuracy is poor, so that the shaft coupling breaks when vibration generated in the high-speed operation process of the water pump is easy, and the heat is generated by friction generated at the contact part of the shaft end of the water pump and the shaft end of the motor in the high-speed operation process of the water pump due to the high-speed operation, the shaft coupling and the material aging and the brittleness of the shaft end of the water pump and the shaft end of the motor are further caused due to difficult discharge.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the embodiment of the invention provides a device and a method for correcting concentricity of a coupling, in which when the rotation speed of a shaft portion is high, the heat of the shaft portion is too high, so that the balloon type annular air bag generates thermal expansion and contraction, the air bag moves outwards along with the expansion of the air bag with limit stops, the aperture of an auxiliary jack between a plurality of groups of limit stops is increased, the insertion tube is separated from the limit of an insertion hole, the insertion tube and a switch closed fan blade move outwards, and a fan-shaped group mechanism formed by four groups of switch closed fan blades forms air flow to dissipate heat released from the insertion hole inside the coupling, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the coupler concentricity correcting device comprises a fixed plate, wherein two groups of parallel sliding rails are arranged at the top ends of long sides of the fixed plate, two groups of sliding frames are connected to the top ends of two short sides of the fixed plate in a sliding manner, each group of sliding frames are sleeved in the two groups of sliding rails in a sliding manner, a group of upper positioning plates are fixedly connected to the upper parts of each group of sliding frames, one positioning jack is respectively arranged in each upper positioning plate, two positioning jacks are concentric circular through holes on the same axis, one group of positioning jacks are fixedly connected with a water pump, and the other group of positioning jacks are fixedly connected with a motor;

two equal fixedly connected with same shaft coupling of one end that the location jack is close to each other, the shaft coupling is kept away from four groups of insertion holes have all been seted up at the both ends of location jack, and four groups of insertion holes are annular state setting about the circular end face of shaft coupling, the central authorities of insertion hole are provided with the indent, every group the inside fixedly connected with four groups of springs of insertion hole indent, four groups the one end fixedly connected with of spring is the limit stop that the state set up in the insertion hole is sliding, the bottom fixedly connected with of limit stop is a balloon formula annular air bag that the annular set up, the one end fixedly connected with gasbag of balloon formula annular air bag, and the one end of gasbag run through in the inner wall of shaft coupling, every group the inner wall fixedly connected with lower limit block of insertion hole, just lower limit block with the laminating of balloon formula annular air bag's inner wall.

Further, one end of the balloon type annular air bag penetrates through the lower limiting block, one end of the balloon type annular air bag penetrating through the lower limiting block is attached to the motor shaft end or the water pump shaft end which is located in the coupler for coupling, a limiting bent plate is fixedly connected to one side, close to the insertion hole, of the coupler, and a limiting bent rod is hinged to one end, close to the insertion hole, of the coupler.

Further, the limit bent rod is hinged with a switch closed fan blade at one end close to the inserting hole, one end, far away from the limit bent rod, of the switch closed fan blade is fixedly connected with a cylinder-shaped insertion tube, the diameter of the lower half cylinder of the insertion tube is smaller than that of the upper half cylinder, and the insertion tube and the inserting hole are in an inserting state.

Further, the bottom fixedly connected with spring rope of switch closed type flabellum, the other end fixed mounting of spring rope is at the surface of inserting the hole, the one end fixedly connected with open-close type grip block of shaft coupling remote from looks shaft coupling, the multiunit internal thread has been seted up to the inside of open-close type grip block, the inside of internal thread has the open-close type grip block of four sets of plastic preparation through threaded connection.

Further, the coupling is provided with four jack locating plates with a symmetrical mirror surface in the middle circular cross section, one jack locating plate is fixedly connected to the outer surface of the opening-closing type clamping plate on one side of the coupling, the other jack locating plate is fixedly connected to the outer surface of the coupling, a central locating frame is fixedly connected to the center of the coupling, and the central locating frame is fixedly installed on the upper portion of the fixing plate.

Further, each group of sliding frames is fixedly connected with a bolt locating plate along two ends of two long sides of the fixing plate, a plurality of groups of threaded holes are formed in the surface of the bolt locating plate, and the plurality of groups of threaded holes are arranged right above the corresponding sliding rail.

Further, the top end of each group of sliding frames is fixedly connected with a lower positioning curved insertion block, and corresponding insertion holes with anti-skid patterns are formed in the two ends of each lower positioning curved insertion block.

Further, every group upper positioning plate is followed two long limit's of fixed plate both sides fixedly connected with two sets of L shape slide rail blocks, two sets of the inside of L shape slide rail block is equal sliding connection has a positioning bolt pole, positioning bolt pole's surface sliding connection has the location to slide the piece, the plug-in rail has been seted up in its junction with the positioning bolt pole to the location to slide the piece, the one end fixedly connected with of location to slide the piece is assisted to rotate the piece, the positioning bolt pole passes the location and slides the piece and has auxiliary nut with the one end of L shape slide rail block through threaded connection.

Further, the other end of the positioning sliding block is hinged to two ends of the upper positioning plate, the bottom end of the auxiliary rotating block is fixedly connected with an upper positioning curved inserting block, the bottom end of the upper positioning curved inserting block is fixedly connected with two corresponding inserting columns, and the corresponding inserting columns of the upper positioning curved inserting block are matched with two corresponding inserting holes of the lower positioning curved inserting block.

The invention also provides a method for correcting the concentricity of the coupler, which adopts the device for correcting the concentricity of the coupler, and comprises the following steps:

s1: the lower surface of the shaft end of the water pump is firstly leaned against the port of the positioning jack at one side of the coupler by a worker, then the lower surface of the shaft end of the water pump is pushed into the positioning jack at the center of the upper positioning plate, and the position of the shaft end of the water pump is corrected to the center of the axis where the positioning jack is located;

s2: fixing the shaft end of the water pump in the coupler to finish the center correction of the shaft end of the water pump;

s3: and (3) repeating the steps S1-S2 on the shaft end of the motor, and further completing the correction connection of the shaft end of the motor, the shaft end of the water pump and the coupler.

The invention has the technical effects and advantages that:

1. according to the shaft coupling concentricity correction device provided by the invention, the shaft parts of the water pump shaft end and the motor shaft end which are in butt joint with each other in the shaft coupling are utilized, the rotation speed of the shaft parts is higher, heat is generated by friction heat generation at the shaft parts in the running process of the water pump, the balloon type annular air bag communicated with the air bag is arranged, further, the air bag generates heat expansion and cold contraction due to the temperature difference between the air bag and the outside, the air bag is gradually expanded under the heating of the inside higher temperature, the balloon type annular air bag moves towards the outer side along with the expansion of the air bag, the aperture of the auxiliary jack between the multiple groups of limiting stop blocks is increased, the insertion pipe is separated from the limit of the insertion hole, the insertion pipe and the switch closed type fan blade outwards move, and the fan-shaped group mechanism formed by the four groups of switch closed type fan blades dissipates the heat released from the insertion hole in the shaft coupling, so that the loss of the shaft coupling and the shaft coupling caused by overlarge heat at the shaft part connecting end is avoided in the concentricity correction process of the shaft coupling, and the service life of the shaft coupling and the shaft end is prolonged.

2. According to the concentricity correcting device for the shaft coupling, the open-close type clamping blocks and the open-close type clamping plates are respectively arranged at the two ends of the shaft coupling and used for limiting the shaft ends of the water pump and the shaft ends of the motor to be coupled, the joint of the open-close type clamping blocks and the open-close type clamping plates is used as a base surface for deflection according to the size of the connecting shaft ends, external hollow bolts with different inner diameters are replaced according to the difference of the connecting shaft ends, and the external hollow bolts are connected with the open-close type clamping blocks through threaded connection, so that the connecting shaft ends of the motor with different diameters and the connecting shaft ends of the water pump can be installed, and the correcting cost is reduced.

3. When the shaft coupling concentricity correction device provided by the invention is used for correcting the shaft coupling concentricity of a motor shaft end and a water pump shaft end which are required to be coupled, a worker grabs the auxiliary rotating block by hand and slides in the inner cavity of the L-shaped sliding rail block through the positioning bolt rod and the positioning sliding block, the auxiliary rotating block is attached to the upper surface of the shaft end by the upper positioning crank-shaped inserting block, the position of the shaft end is corrected to the specified center, the center of the shaft end is fixed as the corresponding inserting column is inserted into the corresponding inserting hole, the worker tightens the positioning bolt rod, and the positioning bolt rod is used for fixing the moving position of the positioning sliding block, so that the simpler shaft end connection correction is realized, and the later disassembly is convenient.

Drawings

Fig. 1 is a schematic structural view of a fixing plate according to the present invention.

Fig. 2 is a schematic structural view of the coupling of the present invention.

Fig. 3 is a schematic structural view of the central positioning frame of the present invention.

Fig. 4 is an enlarged view of the structure of the portion a of fig. 3 according to the present invention.

Fig. 5 is a schematic structural view of the airbag of the present invention.

Fig. 6 is a schematic structural view of the insertion hole of the present invention.

Fig. 7 is a schematic structural view of the insertion hole of the present invention.

Fig. 8 is a schematic diagram of the structure of the lower limit block of the present invention.

Fig. 9 is a schematic view of the structure of the internal thread of the present invention.

Fig. 10 is a schematic structural view of the positioning sliding block of the present invention.

FIG. 11 is a schematic view of the structure of the lower positioning curved insert block of the present invention.

Fig. 12 is a schematic structural view of the skid of the present invention.

Fig. 13 is an enlarged view of the B section structure of fig. 12 according to the present invention.

Fig. 14 is an enlarged view of the C-section structure of fig. 12 according to the present invention.

Fig. 15 is a schematic view of the construction of the detent bolt shank of the present invention.

The reference numerals are: 1. a fixing plate; 2. a skid; 3. a bolt positioning plate; 4. an upper positioning plate; 5. positioning the jack; 6. a central positioning frame; 7. a coupling; 8. a jack positioning plate; 9. switch-closed fan blades; 10. limiting bent rods; 11. an external hollow bolt; 12. built-in threads; 13. an open-close type clamping block; 14. an open-close type clamping plate; 15. an air bag; 16. a limiting curved plate; 17. a cannula; 18. a spring cord; 19. an insertion hole; 20. a limit stop; 21. a spring; 22. a balloon-type annular balloon; 23. a lower limit block; 24. positioning a curved insert block at the lower position; 25. the upper positioning curved insert block; 26. an auxiliary rotating block; 27. a slide rail; 28. positioning a sliding block; 29. inserting rails; 30. l-shaped sliding rail blocks; 31. and positioning a bolt rod.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-4 of the specification, the concentricity correction device for a coupling according to an embodiment of the present invention includes a fixing plate 1, two parallel slide rails 27 are provided at two long side tops of the fixing plate 1, two sets of slide frames 2 are slidably connected to two short side tops of the fixing plate 1, each set of slide frames 2 is slidably sleeved in the two sets of slide rails 27, that is, at two long side tops of the fixing plate 1, each long side top is provided with one set of slide rails 27 parallel to the long side, two sets of slide frames 2 are further provided on the fixing plate 1, the two sets of slide frames 2 are respectively located at two short side ends of the fixing plate 1, each set of slide frames 2 is slidably connected to the fixing plate 1 through the two sets of slide rails 27, and because the types of the water pump and the motor are different, the sizes of shaft ends (that is, the water pump shaft ends and the motor shaft ends) of the two sets of slide frames 2 are also different, so that the water pump and the motor that need to be coupled are respectively mounted on the two sets of slide frames 2, then two groups of sliding frames 2 can slide on the surface of the fixed plate 1 according to the sliding rail 27 to mutually approach, so as to adjust the connection interval between the water pump shaft end and the motor shaft end which are mutually close and then connected, the upper part of each group of sliding frames 2 is fixedly connected with a group of upper positioning plates 4, one positioning jack 5 is respectively arranged in the two groups of upper positioning plates 4, the two positioning jacks 5 are concentric circular jacks on the same axis, the two positioning jacks 5 are opposite in opposite directions and respectively penetrate through the upper positioning plates 4 on the side along the long side of the fixed plate 1, and are used for the shaft coupling positioning of the water pump shaft end and the motor shaft end, the shaft ends of the water pump and the motor shaft ends are respectively inserted from the centers of the positioning jacks 5 on the two groups of upper positioning plates 4 and then are connected with the coupling 7, the water pump is fixedly connected in the inner part of one group of positioning jacks 5, the other group of positioning jacks 5 are fixedly connected with a motor;

the two positioning jacks 5 are fixedly connected with the same coupler 7 at one end close to each other, four groups of inserting holes 19 are formed at two ends of the coupler 7 far away from the positioning jacks 5, when the switch-closing fan blades 9 are parallel to the outer wall of the coupler 7, the switch-closing fan blades 9 are retracted into the inserting holes 19, the switch-closing fan blades are in a normal connection state of the coupler 7, when the switch-closing fan blades 9 deflect outwards along the outer wall of the coupler 7, the switch-closing fan blades are in a heat dissipation state of the coupler 7, the four groups of inserting holes 19 are in an annular state relative to the round end of the coupler 7, when the coupler 7 is in the heat dissipation state, the switch-closing fan blades 9 generate wind far away from the shaft ends of the water pump and the motor shaft due to the outward centrifugal force generated by rotation of the coupler 7, the center of the inserting holes 19 is provided with an inner groove, so that the limit stop 20 slides along the inner groove of the inserting holes 19, the inserting hole 19 is equivalent to a hollow base and is fixed with the inner wall of the coupler 7, four groups of springs 21 are fixedly connected with the inside of a groove in the inserting hole 19, one end of each of the four groups of springs 21 is fixedly connected with a limit stop 20 which is arranged in the inserting hole 19 in a sliding state, the bottom end of each of the limit stops 20 is fixedly connected with a balloon-shaped annular air bag 22 which is arranged in an annular shape, the balloon-shaped annular air bag 22 is better expanded by the influence of heat generated by friction due to the rotation of the coupler 7, one end of each of the balloon-shaped annular air bags 22 is fixedly communicated with an air bag 15, one end of each of the air bags 15 penetrates through the inner wall of the coupler 7, air flow generated by further thermal expansion is guided to the air bags 15, the air bags 15 are further expanded to the outside which is far away from the axis of the coupler 7, the outer surface of each of the air bags 20 after expansion is further convenient for outward movement along the reverse direction of the air bags 15, and further, the limit stop 20 moves outwards in the same direction, the inner wall of each group of inserting and combining holes 19 is fixedly connected with a lower limit block 23, the lower limit block 23 is attached to the inner wall of the balloon-type annular air bag 22, and as the outer wall of the balloon-type annular air bag 22 is limited by the bottom end of the limit stop 20 and the side wall of the lower limit block 23, the expansion direction of the balloon-type annular air bag can only move towards the radial direction of the lower limit block 23, and then the outer wall of the balloon-type annular air bag 22 can only move towards the direction away from each other, so that the spring 21 connected with the lower limit block 23 is compressed.

Referring to fig. 2-8 of the specification, one end of the balloon-type annular air bag 22 penetrates through the lower limiting block 23, one end of the balloon-type annular air bag 22 penetrating through the lower limiting block 23 is attached to a motor shaft end or a water pump shaft end which is positioned in the coupler 7 and is used for coupling, when the motor shaft end and the water pump shaft end are connected with the coupler 7 and rotate, a large amount of heat is generated by friction between the shaft and an inner cavity of the coupler, when the shaft runs under a specified working condition, the temperature of the outer surface of the shaft is not higher than 20 ℃ higher than the temperature of a conveying medium, the highest temperature is not higher than 80 ℃, the condition that the temperature of the outer end of the air bag 15 and the temperature inside the coupler 7 form a temperature difference is formed, then one end of the air bag 15 positioned outside the coupler 7 is more susceptible to expansion caused by thermal expansion and contraction, one side of the coupler 7 close to the insertion hole 19 is fixedly connected with a limiting bent plate 16, and one end of the coupler 7 close to the insertion hole 19 is hinged with a limiting bent rod 10;

further, the limit bent rod 10 is hinged with a switch closed fan blade 9 at one end close to the insertion hole 19, one end, far away from the limit bent rod 10, of the switch closed fan blade 9 is fixedly connected with a cylinder-shaped insertion pipe 17, the diameter of the lower half cylinder of the insertion pipe 17 is smaller than that of the upper half cylinder, the insertion pipe 17 and the insertion hole 19 are arranged in an insertion state, when a worker pushes the insertion pipe 17 to be inserted into the insertion hole 19, the lower half cylinder of the insertion pipe 17 is smaller than an auxiliary insertion hole formed by a plurality of groups of limit stops 20, the upper half cylinder is larger than the auxiliary insertion hole along with gradual pushing, the pressure of the worker on the insertion pipe 17 causes the limit stops 20 to slide outwards along the inner groove of the insertion hole 19, and when the worker loosens hands and the limit stops 20 lose external pressure, the limit stops 20 recover to limit the insertion pipe 17;

because the motor shaft end, the water pump shaft end and the shaft coupling 7 are connected, the motor is used as driving, so that the motor shaft end, the water pump shaft end and the shaft coupling 7 synchronously rotate, in the process of trial operation, whether the motor shaft end, the water pump shaft end and the shaft coupling 7 are connected in pairs or not is required to be tested, when the shaft part rotates at a higher speed, the air bags 15 expand with heat and contract with cold due to overlarge shaft part heat, the balloon-shaped annular air bags 22 move towards the outer sides far away from each other along with the expansion of the air bags 15 with the limit stop blocks 20, the aperture of auxiliary jacks among the plurality of groups of limit stop blocks 20 is enlarged, the insertion pipe 17 is separated from the limit of the insertion hole 19, the insertion pipe 17 and the switch-closed fan blades 9 move outwards, the limit crank 16 deflects the deflection direction of the switch-closed fan blades 9, so that the fan-shaped group mechanism formed by the four groups of switch-closed fan blades 9 forms air flow to radiate heat released from the insertion hole 19 inside the shaft coupling 7, and the coaxial correction process of the shaft coupling is avoided, the loss of the shaft coupling shaft end and the shaft coupling shaft end is prolonged, and the service life of the shaft coupling is prolonged;

further, the bottom end of the switch closed type fan blade 9 is fixedly connected with a spring rope 18, the other end of the spring rope 18 is fixedly arranged on the surface of an inserting hole 19, two ends of the coupler 7 far away from the corresponding coupler are fixedly connected with an opening and closing type clamping plate 14, a plurality of groups of built-in threads 12 are formed in the opening and closing type clamping plates 14, a plurality of groups of opening and closing type clamping blocks 13 made of plastic materials are connected in the built-in threads 12 through threads, the opening and closing type clamping blocks 13 change the opening and closing of the four groups of opening and closing type clamping blocks 13 according to the different diameters of connecting shaft ends, if the connecting shaft ends are enlarged, the opening and closing type clamping blocks 13 and the opening and closing type clamping plates 14 are subjected to the pressure of the connecting shaft ends to be outwards deflected by a base surface, the connecting shaft ends are smaller, the connecting shaft ends are also subjected to the pressure of the inner walls of the external hollow bolts 11 to be inwards deflected by the base surface, the external hollow bolts 11 can be replaced according to the different diameters of the connecting shaft ends, the external hollow bolts 11 are connected with the opening and closing type clamping blocks 13 through threads, and the connecting shaft ends are greatly reduced, and the connecting cost of the connecting shaft ends and the water pump is reduced;

the installation mode is that the end part of the connecting shaft firstly passes through the external hollow bolt 11, then passes through the four groups of open-close type clamping blocks 13 and enters the interior of the coupler 7, and meanwhile, workers slowly twist the external hollow bolt 11 on the outer surface of the open-close type clamping blocks 13 along the built-in threads 12, so that the positions of the four groups of open-close type clamping blocks 13 are fixed. The above-mentioned process is realized or the air bag 15 is slightly expanded due to the small influence of temperature, and the limit stop 20 is slightly loosened, at the moment, the elasticity of the spring characteristic of the spring rope 18 is larger than the clamping force of a plurality of groups of limit stops 20 on the insertion tube 17, and then the switch-closing fan blade 9 is influenced by the centrifugal force of the coupler 7 or moves outwards;

the process is realized or the rotating speed of the coupler 7 is overlarge, and the switch-closed fan blades 9 break loose outwards due to centrifugal force to form a fan blade group mechanism so as to generate air flow;

all three schemes are characterized in that the switch-closed fan blades 9 rotate at the same position respectively due to overlarge centrifugal force along with the rotation of the coupler 7, and do not shake back and forth in the deflection range.

Referring to fig. 1-2 of the specification, four jack locating plates 8 with a middle circular cross section as a symmetrical mirror surface are arranged on the coupler 7, two jack locating plates 8 are respectively arranged at two ends of the coupler 7, that is to say, two jack locating plates 8 at one end of the coupler 7 and two jack locating plates 8 at the other end are symmetrical with each other with the middle circular cross section as a symmetrical mirror surface, four groups of open-close clamping blocks 13 are fixedly connected to one open-close clamping plate 14 at one side of the coupler 7, one jack locating plate 8 at the side is fixedly connected to the outer surface of the open-close clamping plate 14, the other jack locating plate 8 is fixedly connected to the outer surface of the side of the coupler 7, a jack locating plate 8 close to one end of a locating jack 5 at the side can be inserted into a screw and a nut, the upper locating plate 4 is connected with the jack locating plate 8, corresponding mounting holes are formed in the surface of the upper locating plate 4, further stability and fixedly connection between the coupler 7 and the upper locating plate 4 are achieved, stability of the coupler 7 on connection of a shaft end of a water pump or a motor at the side is improved, the center of the coupler 7 is fixedly connected to the center of the center locating plate 6 at the center of the coupler 7, the center locating plate 6 is fixedly connected to the center locating plate 6 at the center of the center 6, and the center locating plate 6 is fixedly located at the center of the coupler 6, and the center locating plate 6 is fixedly located at the center of the center 6 at the center of the center locating plate 6.

Referring to fig. 9-15 of the specification, each group of sliding frames 2 is fixedly connected with a bolt positioning plate 3 along two ends of two long sides of a fixed plate 1, the surface of the bolt positioning plate 3 is provided with a plurality of groups of threaded holes, the plurality of groups of threaded holes are arranged right above corresponding sliding rails 27, when the sliding frames 2 move to a specified position, workers twist the surfaces of the sliding rails 27 through threaded hole mounting nuts on the surface of the bolt positioning plate 3, so as to position the sliding frames, the top ends of the sliding frames 2 are fixedly connected with lower positioning curved insertion blocks 24, two ends of the lower positioning curved insertion blocks 24 are provided with corresponding insertion holes with anti-skid patterns, two sides of an upper positioning plate 4 are fixedly connected with two groups of L-shaped sliding rail blocks 30, the L-shaped sliding rail blocks 30 limit the sliding positions of the positioning bolt rods 31, the inner parts of the two groups of L-shaped sliding rail blocks 30 are respectively connected with a positioning bolt rod 31 in a sliding manner, the outer surfaces of the positioning bolt rods 31 are connected with positioning sliding blocks 28 in a sliding manner, the connecting positions of the positioning sliding blocks 28 and the positioning bolt rods 31 are provided with insertion rails 29, one ends of the positioning sliding blocks 28 are fixedly connected with auxiliary rotating blocks 26 through the positioning bolts 31, and one ends of the positioning bolt rods 30 are connected with the auxiliary sliding blocks through the positioning bolts 30;

further, the other end of the positioning sliding block 28 is hinged to two ends of the upper positioning plate 4, the bottom end of the auxiliary rotating block 26 is fixedly connected with the upper positioning curved plug 25, the bottom end of the upper positioning curved plug 25 is fixedly connected with two corresponding plug posts, the corresponding plug posts of the two upper positioning curved plug 25 are matched with the two corresponding plug holes of the lower positioning curved plug 24, a worker leans the shaft end against the curved surface of the lower positioning curved plug 24 firstly, then pushes the positioning plug holes 5 in the center of the upper positioning plate 4, meanwhile, the auxiliary rotating block 26 is gripped by hands and slides in the inner cavity of the L-shaped sliding rail block 30 through the positioning bolt rod 31 with the positioning sliding block 28, the auxiliary rotating block 26 is attached to the upper surface of the shaft end with the upper positioning curved plug 25, the position of the shaft end is corrected to the specified center, the corresponding plug posts are longer in length, the corresponding plug posts cannot be fully inserted into the corresponding plug holes due to different diameters of the shaft ends, the center of the shaft end is fixed, the worker slides the center of the shaft end along with the corresponding plug posts, the center of the shaft end is fixed, the positioning bolt rod 31 is screwed tightly, and the positioning bolt 31 is removed easily, and the positioning bolt is removed conveniently, and the positioning bolt is fixed and the positioning bolt is removed conveniently.

The invention also provides a method for correcting the concentricity of the coupler, which adopts the device for correcting the concentricity of the coupler, and comprises the following steps:

s1: the lower surface of the shaft end of the water pump is firstly leaned against the port of the positioning jack 5 at one side of the coupler 7 by a worker, namely leaned against the curved surface of the lower positioning curved plug 24, then the lower positioning jack is pushed into the positioning jack 5 at the center of the upper positioning plate 4, meanwhile, the auxiliary rotating block 26 is manually grabbed to slide in the inner cavity of the L-shaped sliding rail block 30 by the positioning bolt rod 31 with the positioning sliding block 28, the auxiliary rotating block 26 is attached to the upper surface of the shaft end by the upper positioning curved plug 25, and the position of the shaft end of the water pump is corrected to the center of the shaft axis where the positioning jack 5 is positioned;

s2: then fixing the shaft end of the water pump in the coupler 7, and enabling a worker to twist the positioning bolt rod 31, so that the positioning bolt rod 31 fixes the moving position of the positioning sliding block 28, and the center correction of the shaft end of the water pump is completed; then, the staff continues to push the shaft end of the water pump to pass through the external hollow bolt 11 from the positioning jack 5, then passes through the four groups of open-close type clamping blocks 13 and enters the interior of the coupler 7, and simultaneously, the staff slowly tightens the external hollow bolt 11 on the outer surface of the open-close type clamping blocks 13 along the internal threads 12, so that the positions of the four groups of open-close type clamping blocks 13 are fixed;

s3: and S1-S2 steps are repeated on the shaft end of the motor, so that the correction connection of the shaft end of the motor, the shaft end of the water pump and the shaft coupler 7 is completed.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the invention are intended to be included within the scope of the invention.

Claims (8)

1. The utility model provides a shaft coupling concentricity orthotic devices, includes fixed plate (1), its characterized in that: two groups of parallel sliding rails (27) are arranged at the top ends of the long sides of the fixed plate (1), two groups of sliding frames (2) are connected to the top ends of the two short sides of the fixed plate (1) in a sliding mode, each group of sliding frames (2) are sleeved in the two groups of sliding rails (27) in a sliding mode, a group of upper positioning plates (4) are fixedly connected to the upper portions of each group of sliding frames (2), one positioning jack (5) is respectively arranged in each of the two groups of upper positioning plates (4), the two positioning jacks (5) are concentric circular through holes on the same axis, the inner portion of one group of positioning jacks (5) is fixedly connected with a water pump, and the inner portion of the other group of positioning jacks (5) is fixedly connected with a motor;

the two positioning jacks (5) are fixedly connected with the same coupler (7) at one end, which is close to each other, of the coupler (7) is far away from the two ends of the positioning jacks (5), four groups of inserting holes (19) are formed at the two ends of the coupler (7), the four groups of inserting holes (19) are arranged in an annular state relative to the round end surface of the coupler (7), an inner groove is formed in the center of each inserting hole (19), four groups of springs (21) are fixedly connected to the inner part of each inserting hole (19), one end of each four groups of springs (21) is fixedly connected with a limit stop (20) which is arranged in the inserting holes (19) in a sliding state, the bottom end of each limit stop (20) is fixedly connected with a balloon type annular air bag (22) which is arranged in an annular state, one end of each balloon type annular air bag (22) is fixedly communicated with an air bag (15), one end of each air bag (15) penetrates through the inner wall of the coupler (7), one lower limit block (23) is fixedly connected to the inner wall of each inserting hole (19), and the lower limit block (23) is attached to the inner wall of the annular air bag (22);

one end of the balloon type annular air bag (22) penetrates through the lower limiting block (23), one end of the balloon type annular air bag (22) penetrates through the lower limiting block (23) and is attached to a motor shaft end or a water pump shaft end which is positioned in the coupler (7) for coupling, one side, close to the inserting hole (19), of the coupler (7) is fixedly connected with a limiting bent plate (16), and one end, close to the inserting hole (19), of the coupler (7) is hinged with a limiting bent rod (10);

the limiting bent rod (10) is hinged with a switch closed fan blade (9) at one end close to the inserting hole (19), one end, away from the limiting bent rod (10), of the switch closed fan blade (9) is fixedly connected with a cylinder-shaped insertion tube (17), the diameter of the lower half cylinder of the insertion tube (17) is smaller than that of the upper half cylinder, and the insertion tube (17) and the inserting hole (19) are in an inserting state.

2. The coupling concentricity correction device as claimed in claim 1, wherein: the novel fan blade is characterized in that a spring rope (18) is fixedly connected to the bottom end of the switch closed fan blade (9), the other end of the spring rope (18) is fixedly arranged on the surface of the inserting hole (19), one end, far away from the corresponding shaft, of the shaft coupling (7) is fixedly connected with an opening-closing type clamping plate (14), a plurality of groups of built-in threads (12) are formed in the opening-closing type clamping plate (14), and four groups of opening-closing type clamping blocks (13) made of plastic materials are connected in the built-in threads (12) through threads.

3. The coupling concentricity correction device as claimed in claim 2, wherein: the novel hydraulic coupling is characterized in that the coupling (7) is provided with four jack locating plates (8) with symmetrical mirror surfaces in the middle of the coupling, one jack locating plate (8) is fixedly connected to the outer surface of the opening-closing type clamping plate (14) on one side of the coupling (7), the other jack locating plate (8) is fixedly connected to the outer surface of the coupling (7), a central locating frame (6) is fixedly connected to the center of the coupling (7), and the central locating frame (6) is fixedly installed on the upper portion of the fixing plate (1).

4. The coupling concentricity correction device as claimed in claim 1, wherein: each group of sliding frames (2) is fixedly connected with a bolt locating plate (3) along two ends of two long sides of the fixed plate (1), a plurality of groups of threaded holes are formed in the surface of the bolt locating plate (3), and the plurality of groups of threaded holes are arranged right above corresponding sliding rails (27).

5. The coupling concentricity correction device as claimed in claim 4, wherein: the top end of each sliding frame (2) is fixedly connected with a lower positioning curved insertion block (24), and corresponding insertion holes with anti-skid patterns are formed in the two ends of each lower positioning curved insertion block (24).

6. The coupling concentricity correction device as claimed in claim 5, wherein: every group upper position locating plate (4) is followed two long limit's of fixed plate (1) both sides fixedly connected with two sets of L shape slide rail piece (30), two sets of the inside of L shape slide rail piece (30) is equal sliding connection has a positioning bolt pole (31), the surface sliding connection of positioning bolt pole (31) has location sliding block (28), insertion rail (29) have been seted up in its junction with positioning bolt pole (31) in location sliding block (28), the one end fixedly connected with of location sliding block (28) is supplementary to change piece (26), positioning bolt pole (31) pass location sliding block (28) and the one end of L shape slide rail piece (30) and have auxiliary nut through threaded connection.

7. The coupling concentricity correction device as claimed in claim 6, wherein: the other end of the positioning sliding block (28) is hinged to two ends of an upper positioning plate (4), an upper positioning curved inserting block (25) is fixedly connected to the bottom end of the auxiliary rotating block (26), two corresponding inserting columns are fixedly connected to the bottom end of the upper positioning curved inserting block (25), and the corresponding inserting columns of the upper positioning curved inserting block (25) are matched with two corresponding inserting holes of the lower positioning curved inserting block (24).

8. A method for correcting the concentricity of a coupling, wherein the method employs the device for correcting the concentricity of a coupling according to any one of claims 1 to 6, and the method comprises the steps of:

s1: the lower surface of the shaft end of the water pump is firstly leaned against the port of the positioning jack (5) at one side of the coupler (7) by a worker, and then the lower surface of the shaft end of the water pump is pushed into the positioning jack (5) at the center of the upper positioning plate (4), so that the position of the shaft end of the water pump is corrected to the center of the axis where the positioning jack (5) is positioned;

s2: fixing the shaft end of the water pump in the coupler (7) to finish the center correction of the shaft end of the water pump;

s3: and (3) repeating the steps S1-S2 on the shaft end of the motor, and further completing the correction connection of the shaft end of the motor, the shaft end of the water pump and the coupler (7).

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