CN215720333U

CN215720333U - Three-group coupling with multiple anti-flying diaphragms

Info

Publication number: CN215720333U
Application number: CN202122394058.7U
Authority: CN
Inventors: 周启新
Original assignee: Jiangsu Tongji Electrical Power Pump Manufacturing Co ltd
Current assignee: Jiangsu Tongji Electrical Power Pump Manufacturing Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-02-01
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to a multi-piece anti-flying diaphragm type three-group shaft coupler in the technical field of shaft couplers, which comprises a shaft coupler body, wherein the shaft coupler body comprises a pump coupling part, a middle coupling part and an electric coupling part, positioning holes are respectively arranged on the pump coupling part, the middle coupling part and the electric coupling part and are positioned and connected through fixing bolts, a diaphragm assembly is also arranged between the pump coupling part and the middle coupling part as well as between the middle coupling part and the electric coupling part in a matching way, and a locking damping assembly is arranged on the diaphragm assembly. The structure is compact, the service life is long, no rotating clearance exists, and the temperature and oil pollution influence is avoided.

Description

Three-group coupling with multiple anti-flying diaphragms

Technical Field

The utility model relates to the technical field of couplers, in particular to a three-group coupler.

Background

A coupling is a mechanical part used to couple two shafts in different mechanisms for common rotation to transmit torque. The damping device has the functions of buffering, damping vibration, improving the dynamic performance of a shaft system and protecting overload safety. The coupling consists of two halves which are respectively connected with the driving shaft and the driven shaft. Generally, a power machine is connected with a working machine by means of a coupling. At present, most centrifugal pumps on the market adopt pin-rod type couplings, the pin rods are easy to deform and break, and the service life is short, so that customers are troubled all the time; a guider is disclosed in the existing Chinese patent database, and the patent application numbers are as follows: CN202020993798.5, filed as follows: 2020.06.03, publication No. CN212202892U, publication date: 2020.12.22, the utility model discloses a thin film coupling with an expansion sleeve, which comprises two half couplings arranged in team, one side of the half coupling is provided with a transmission shaft connecting plate; the coupler thin film piece is arranged on the half-coupling and the transmission shaft connecting plate, the coupler thin film piece is composed of a plurality of first connecting pieces and a plurality of second connecting pieces, the first connecting pieces and the second connecting pieces are connected end to end, a positioning groove is formed in the fixed measurement of the second connecting pieces, and a positioning rod is fixed on the ground measurement of the first connecting pieces.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a multi-piece anti-flying diaphragm type three-group coupling, the device is connected with two half couplings in a staggered mode by bolts, each group of film pieces is formed by stacking a plurality of film pieces, the risk of deformation and fracture is avoided, the relative displacement of two shafts connected with each other is compensated by the elastic deformation of the film pieces, the high-performance metal elastic element flexible coupling does not need lubrication in the using process, the structure is compact, the strength is high, the service life is long, no rotating clearance exists, the coupling is not influenced by temperature and oil stains, the coupling has the characteristics of acid resistance, alkali resistance and corrosion resistance, is suitable for shafting transmission in a high-temperature, high-speed and corrosive medium working condition environment, and the anti-flying structure is designed at the position of a middle section of the coupling, so that the flying accidents of internal parts of the coupling can be prevented from flying and injuring people and objects when the accidental damage occurs.

The purpose of the utility model is realized as follows: the utility model provides a coupling of three groups of diaphragm formula is prevented flying by multi-disc, includes coupling body (1), coupling body (1) includes pump antithetical couplet part (2), well antithetical couplet part (3) and electricity antithetical couplet part (4), be provided with locating hole (6) respectively on pump antithetical couplet part (2), well antithetical couplet part (3) and the electricity antithetical couplet part (4) and carry out the location through fixing bolt (5) and connect, it is provided with diaphragm assembly (9) still to cooperate between pump antithetical couplet part (2) and well antithetical couplet part (3), well antithetical couplet part (3) and the electricity antithetical couplet part (4), install locking damper on diaphragm assembly (9).

When the utility model works, the pump connecting part (2) is connected with one side of the middle connecting part (3), the big end (7) of the positioning hole (6) at the upper end of the pump connecting part (2) is fixed with the small end (8) at the upper end of one side of the middle connecting part (3) through the fixing bolt (5), the big end (7) at the upper end of the other side of the middle connecting part (3) is connected with the small end (8) in the upper end of the electric connecting part (4) through the fixing bolt (5), the thin film sheets (12) are overlapped together, the damping springs (11) are arranged between the connected thin film pieces (12), the rubber columns (10) penetrate through end through holes (13) at four ends of the thin film pieces (12) and the damping springs (11) and are locked and fixed, the assembled thin film piece assemblies (9) are arranged among the pump connection part (2), the middle connection part (3) and the electric connection part (4), and the central lines of the central through holes (14) are arranged on the same horizontal line; during operation, condensed water is used as a sealing flushing liquid, the temperature is less than 85 ℃, the pressure of the cooling flushing liquid is less than or equal to 0.1Mpa, the flow is 0.63 m/h, the relative displacement of the two shafts is compensated by elastic deformation, and operation is carried out by transmitting motion and torque.

The utility model has the advantages that: the device is connected with two half couplers in a staggered mode through bolts, each group of film sheets is formed by stacking a plurality of films, the risk of deformation and breakage does not exist, the relative displacement of two connected shafts is compensated by means of elastic deformation of the film sheets, lubrication is not needed in the use process of the high-performance metal elastic element flexible coupler, the high-performance metal elastic element flexible coupler is compact in structure, high in strength, long in service life, free of rotating clearance and free of influence of temperature and oil stains, has the characteristics of acid resistance, alkali resistance and corrosion resistance, is suitable for shafting transmission in high-temperature, high-speed and corrosive medium working condition environments, and is provided with an anti-flying structure at the position of a middle section of the coupler, so that flying injury of people and objects of internal parts of the coupler can be prevented when accidental damage occurs.

As a further improvement of the present invention, in order to prevent the diaphragm assembly 9 from being deformed or broken during use; the thin film piece assembly (9) is composed of four thin film pieces (12), and the thin film pieces (12) are mutually overlapped and arranged in a staggered mode; each thin film sheet (12) is in a four-petal plum blossom shape; each film sheet (12) is provided with a center through hole (14) and an end through hole (13).

As a further improvement of the utility model, the stability of the connection between the thin film pieces (12) is facilitated and the service life of the thin film pieces (12) is prolonged; the thin film sheets (12) are sequentially arranged in sequence, and the thin film sheets (12) arranged at the base number position and the thin film sheets (12) arranged at the even number position are staggered; the membrane sheets (12) in the base number position are connected to each other, and the membrane sheets (12) in the even number position are connected to each other.

As a further improvement of the utility model, the installation and later replacement or maintenance of the film sheet component (9) are convenient for workers; the membrane sheets (12) at the base number position are connected through corresponding end through holes (13), and the membrane sheets (12) at the even number position are also connected through corresponding end through holes (13); and a locking damping component penetrates through the end through holes (13).

As a further improvement of the utility model, in order to increase the shock resistance of the film sheet assembly (9) during use; the locking shock absorption assembly comprises rubber columns (10) and shock absorption springs (11), the shock absorption springs (11) are arranged between end through holes (13) between the thin film sheets (12) in advance, and the rubber columns (10) penetrate through the corresponding end through holes (13) and the shock absorption springs (11) and connect the thin film sheets (12) and the shock absorption springs (11) together.

As a further improvement of the utility model, in order to increase the stability of the connection between the thin film pieces (12) and prevent falling off; the damping spring (11) is arranged between the connected thin film sheets (12) and sleeved outside the rubber column (10), the central through holes (14) of the thin film sheets (12) are arranged on the same central line, and the thin film sheets (12) are identical in size and are symmetrically arranged.

As a further improvement of the present invention, to prevent non-workers from misusing the device; pump allies oneself with part (2), well antithetical couplet part (3) and electricity antithetical couplet part (4) all are equipped with prevents slow-witted design, locating hole (6) divide into big head end (7) and little head end (8), the diameter of big head end (7) is far more than the diameter of little head end (8), the inside cooperation of big head end (7) of each part is provided with the step, and this step is used for fixing mutually with fixing bolt (5).

As a further improvement of the present invention, in order to prevent the internal parts from flying apart and hurting people when the internal parts are accidentally destroyed; the pump allies oneself with the bending part of part (2), well antithetical couplet part (3) and electricity antithetical couplet part (4) all adopts the fillet design, pellicle (12) all adopt stainless steel sheet to make and the design of the center perforation (14) department of pellicle subassembly (9) has the anti-flying mechanism.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a cross-sectional view of a diaphragm assembly of the present invention.

Fig. 3 is a first view of the installation of the membrane sheet of the present invention.

FIG. 4 is a second view of the film sheet installation of the present invention.

The shaft coupling comprises a shaft coupling body 1, a pump coupling part 2, a middle coupling part 3, an electric coupling part 4, a fixing bolt 5, a positioning hole 6, a large head end 7, a small head end 8, a thin film assembly 9, a rubber column 10, a damping spring 11, a thin film sheet 12, a through hole at the end part 13 and a through hole at the center 14.

Detailed Description

As shown in fig. 1-4, a multi-piece anti-flying diaphragm type three-group coupling comprises a coupling body 1, wherein the coupling body 1 comprises a pump coupling part 2, a middle coupling part 3 and an electric coupling part 4, positioning holes 6 are respectively formed in the pump coupling part 2, the middle coupling part 3 and the electric coupling part 4 and are connected in a positioning mode through fixing bolts 5, a diaphragm assembly 9 is further arranged between the pump coupling part 2 and the middle coupling part 3 and between the middle coupling part 3 and the electric coupling part 4 in a matching mode, a locking damping assembly is mounted on the diaphragm assembly 9, the diaphragm assembly 9 is composed of four diaphragms 12, and the diaphragms 12 are mutually overlapped and staggered; each thin film sheet 12 is in a four-petal plum blossom shape; each thin film sheet 12 is provided with a central through hole 14 and an end through hole 13, the thin film sheets 12 are sequentially arranged, and the thin film sheets 12 arranged at the base position and the thin film sheets 12 arranged at the even number position are staggered; the membrane sheets 12 at the base position are connected with each other, the membrane sheets 12 at the even position are connected with each other, the membrane sheets 12 at the base position are connected with each other through the corresponding end through holes 13, and the membrane sheets 12 at the even position are also connected with each other through the corresponding end through holes 13; a locking damping component penetrates through the end through holes 13 and comprises rubber columns 10 and damping springs 11, the damping springs 11 are arranged between the end through holes 13 between the thin film sheets 12 in advance, the rubber columns 10 penetrate through the corresponding end through holes 13 and the damping springs 11 and connect the thin film sheets 12 with the damping springs 11 together, the damping springs 11 are arranged between the connected thin film sheets 12 and sleeved outside the rubber columns 10, the central through holes 14 of the thin film sheets 12 are arranged on the same central line, the thin film sheets 12 are identical in size and are symmetrically arranged, the pump connecting part 2, the middle connecting part 3 and the electric connecting part 4 are all provided with foolproof designs, the positioning holes 6 are divided into a large head end 7 and a small head end 8, the diameter of the large head end 7 is far larger than that of the small head end 8, steps are arranged inside the large head end 7 of each part in a matching manner, the step is used for being fixed with a fixing bolt 5, the bending parts of the pump connection part 2, the middle connection part 3 and the electric connection part 4 are all designed by round angles, the thin film pieces 12 are all made of stainless steel thin plates, and the center through hole 14 of the thin film piece assembly 9 is designed with an anti-flying mechanism.

When the utility model works: connecting a pump coupling part 2 with one side of a middle coupling part 3, fixing a big end 7 of a positioning hole 6 at the upper end of the pump coupling part 2 with a small end 8 at the upper end of one side of the middle coupling part 3 through a fixing bolt 5, connecting the big end 7 at the upper end of the other side of the middle coupling part 3 with the small end 8 in the upper end of an electric coupling part 4 through the fixing bolt 5, superposing thin film pieces 12 together, installing a damping spring 11 between the connected thin film pieces 12, penetrating a rubber column 10 into end through holes 13 at four ends of the thin film pieces 12 and the damping spring 11 and locking and fastening, installing an assembled thin film piece assembly 9 between the pump coupling part 2, the middle coupling part 3 and the electric coupling part 4 and placing the central line of a central through hole 14 on the same horizontal line; during operation, condensed water is used as a sealing flushing liquid, the temperature is less than 85 ℃, the pressure of the cooling flushing liquid is less than or equal to 0.1Mpa, the flow is 0.63 m/h, the relative displacement of the two shafts is compensated by elastic deformation, and operation is carried out by transmitting motion and torque.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope.

Claims

1. The utility model provides a three group's shaft couplings of diaphragm formula are prevented flying by multi-disc, includes shaft coupling body (1), its characterized in that: the coupler body (1) comprises a pump coupling part (2), a middle coupling part (3) and an electric coupling part (4), the pump coupling part (2), the middle coupling part (3) and the electric coupling part (4) are respectively provided with positioning holes (6) for positioning connection through fixing bolts (5), a film sheet assembly (9) is further arranged between the pump coupling part (2) and the middle coupling part (3), between the middle coupling part (3) and the electric coupling part (4) in a matched mode, and a locking damping assembly is installed on the film sheet assembly (9).

2. The multi-piece anti-flying diaphragm type three-group coupling as claimed in claim 1, wherein: the thin film piece assembly (9) is composed of four thin film pieces (12), and the thin film pieces (12) are mutually overlapped and arranged in a staggered mode; each thin film sheet (12) is in a four-petal plum blossom shape; each film sheet (12) is provided with a center through hole (14) and an end through hole (13).

3. The multi-piece anti-flying diaphragm type three-group coupling as claimed in claim 2, wherein: the thin film sheets (12) are sequentially arranged in sequence, and the thin film sheets (12) arranged at the base number position and the thin film sheets (12) arranged at the even number position are staggered; the membrane sheets (12) in the base number position are connected to each other, and the membrane sheets (12) in the even number position are connected to each other.

4. The multi-piece anti-flying diaphragm type three-group coupling as claimed in claim 3, wherein: the membrane sheets (12) at the base number position are connected through corresponding end through holes (13), and the membrane sheets (12) at the even number position are also connected through corresponding end through holes (13); and a locking damping component penetrates through the end through holes (13).

5. The multi-piece anti-flying diaphragm type three-group coupling as claimed in claim 1, wherein: the locking shock absorption assembly comprises rubber columns (10) and shock absorption springs (11), the shock absorption springs (11) are arranged between end through holes (13) between the thin film sheets (12) in advance, and the rubber columns (10) penetrate through the corresponding end through holes (13) and the shock absorption springs (11) and connect the thin film sheets (12) and the shock absorption springs (11) together.

6. The multi-piece anti-flying diaphragm type three-group coupling as claimed in claim 5, wherein: the damping spring (11) is arranged between the connected thin film sheets (12) and sleeved outside the rubber column (10), the central through holes (14) of the thin film sheets (12) are arranged on the same central line, and the thin film sheets (12) are identical in size and are symmetrically arranged.

7. The multi-piece anti-flying diaphragm type three-group coupling as claimed in claim 1, wherein: pump allies oneself with part (2), well antithetical couplet part (3) and electricity antithetical couplet part (4) all are equipped with prevents slow-witted design, locating hole (6) divide into big head end (7) and little head end (8), the diameter of big head end (7) is far more than the diameter of little head end (8), the inside cooperation of big head end (7) of each part is provided with the step, and this step is used for fixing mutually with fixing bolt (5).

8. The multi-piece anti-flying diaphragm type three-group coupling as claimed in claim 1, wherein: the pump connection part (2), the middle connection part (3) and the electric connection part (4) are all designed into round corners, the thin film pieces (12) are all made of stainless steel thin plates, and the center through hole (14) of the thin film piece assembly (9) 9 is designed with an anti-flying mechanism.