Axial elastic pin coupling

Abstract

The utility model relates to the technical field of couplings, and discloses an axial elastic pin coupling which comprises an elastic body, two cylindrical pins are fixedly connected to the middle of the elastic body, a first half coupling is clamped to the right sides of the cylindrical pins, and first fixing plates are fixedly connected to the upper end and the lower end of the first half coupling. First L-shaped buckles are rotationally connected to the sides, away from each other, of the first fixing plates, a cover plate is clamped to the left side of the cylindrical pin, a plurality of positioning holes are formed in the left side of the cover plate, a second half coupler is arranged on the left side of the cover plate, and a plurality of positioning pins are fixedly connected to the right side of the second half coupler. During installation, the first half coupling and the cover plate are positioned and installed through the cylindrical pin, meanwhile, the second half coupling is installed through the positioning pin, the coaxiality between the two half couplings is guaranteed, transmission efficiency can be improved, and finally fixing is achieved through the fastening bolt, and the stability of the structure is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a shaft coupling technical field especially relates to a kind of axial elastic dowel shaft coupling. BACKGROUND

[0002] Industrial production scale expands continuously, and the requirement of power transmission device is also higher and higher, the initial coupling structure is simple, although power transmission can be realized, but cannot adapt to shaft displacement and buffer vibration, prone to failure under complex working conditions, affect production efficiency, with the industrial production to large-scale, high-speed, automation direction development, need a kind of coupling that can adapt to more complex working conditions, while in modern industrial production, the running speed and power of various equipment are continuously improved, and the stability, reliability and service life requirements of equipment are also higher and higher, in the field of automobile manufacturing, aerospace and ship, the running environment of equipment is complex and changeable, various displacements and vibrations inevitably appear between shaft systems, axial elastic dowel coupling can effectively protect equipment, improve the stability and reliability of system by virtue of its good buffering, vibration damping performance and the ability to adapt to shaft displacement, meet the demand of modern industry to high-performance transmission components.

[0003] The development of material science provides the basis for the research and improvement of axial elastic dowel coupling, the emergence of high-performance engineering plastics and elastic rubber materials greatly improves the performance of elastic dowel, these materials have good elasticity, wear resistance, corrosion resistance and fatigue resistance, can work stably for a long time in different working environments, ensure the transmission performance and service life of coupling, but when two half couplings are different, the direction of force transmission will change, no longer along the center line direction of shaft, which leads to part of energy being consumed to overcome the additional force generated by eccentricity, thereby reducing the effective power transmitted to driven shaft. UTILITY MODEL CONTENTS

[0004] In order to make up for the above shortcomings, the utility model provides an axial elastic dowel coupling, aiming at improving the problem in the prior art that when two half couplings are different, the direction of force transmission will change, no longer along the center line direction of shaft, which leads to part of energy being consumed to overcome the additional force generated by eccentricity, thereby reducing the effective power transmitted to driven shaft.

[0005] In order to achieve the above object, the utility model discloses the following technical scheme: an axial elastic cotter coupling, including elastomer, the middle part fixedly connected with two cylindrical pins of elastomer, the right side of cylindrical pin is combined with half coupling no.

[0006] As a further description of the above technical solution:

[0007] The protection mechanism includes a fastening ring, the fastening ring is fixedly connected to the outer wall of the half coupling no.

[0008] As a further description of the above technical solution:

[0009] The front and rear right ends of the half coupling no.

[0010] As a further description of the above technical solution:

[0011] The top of the elastomer is fixedly connected with a nameplate, and the left end of the half coupling no.

[0012] As a further description of the above technical solution:

[0013] The left upper and lower ends of the half coupling no.

[0014] As a further description of the above technical solution:

[0015] The front and rear left ends of the half-coupling one are fixedly connected with warning signs, and the two warning signs are symmetrically designed.

[0016] As a further description of the above technical scheme:

[0017] The left middle part of the half-coupling two is fixedly connected with a power shaft, and the right middle part of the half-coupling one is fixedly connected with an output shaft.

[0018] As a further description of the above technical scheme:

[0019] The outer wall of the fastening ring is fixedly connected with a sign one, and the outer wall of the protective ring is fixedly connected with a sign two.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、 the utility model discloses, and the positioning installation of half-coupling one and cover is realized through cylindrical pin when installing, and the relative position accuracy between both is ensured, and the installation of half-coupling two is realized through the engagement of positioning pin and positioning hole, and the coaxiality between two half-couplings is guaranteed, which is favorable for improving transmission efficiency, finally, L type buckle one and L type buckle two are rotated, and fixed through fastening bolt, the stability of structure is strengthened, and effectively prevent the loosening of parts due to vibration in the equipment operation process.

[0022] 2、 the utility model discloses, and the fastening ring of half-coupling two outside can prevent relative displacement in the transmission process, and the reliability of power transmission is ensured, and the ability of bearing torque and impact force of gusset piece one and connecting rod one can be improved, so that half-coupling is not easy to be damaged under the working condition of high speed and heavy load, and the chrome plating coating can effectively prevent the corrosion of inner wall by corrosive medium, and the reliability of connection and transmission efficiency can be guaranteed through the protective ring of half-coupling one outside. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front side perspective view of the half-coupling one of the axial elastic column pin coupling device.

[0024] Figure 2 It is a fastening bolt display diagram of the axial elastic column pin coupling device.

[0025] Figure 3 It is a split diagram of the elastic body of the axial elastic column pin coupling device.

[0026] Figure 4 It is a sealing ring schematic diagram of the axial elastic column pin coupling device.

[0027] Figure 5The utility model provides a kind of chromium plating coating split diagram of axial elastic pin coupling.

[0028] Legend:

[0029] 1, elastomer;2, protection mechanism;201, fastening ring;202, reinforcing rib one;203, connecting rod one;204, protective ring;205, reinforcing rib two;206, connecting rod two;207, chromium plating coating;208, polyurethane coating;3, cylindrical pin;4, half coupling one;5, fixed plate one;6, L-shaped buckle one;7, cover plate;8, positioning hole;9, half coupling two;10, positioning pin;11, fixed plate two;12, L-shaped buckle two;13, fastening bolt;14, nut;15, nameplate;16, pointer;17, warning sign;18, sealing ring;19, fixed block one;20, fixed block two;21, power shaft;22, output shaft;23, signboard one;24, signboard two. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0031] Please refer to the drawings in the embodiments of the utility model Figure 1 - the drawings in the embodiments of the utility model Figure 3 An embodiment provided by the utility model: an axial elastic pin coupling, comprising an elastomer 1, the middle part of the elastomer 1 is fixedly connected with two cylindrical pins 3, the right side of the cylindrical pin 3 is clamped with a half coupling one 4, the upper and lower ends of the half coupling one 4 are fixedly connected with fixed plates one 5, the sides away from each other of the fixed plate one 5 are rotatably connected with L-shaped buckles one 6, the left side of the cover plate 7 is provided with a plurality of positioning holes 8, the left side of the cover plate 7 is provided with a half coupling two 9, the right side of the half coupling two 9 is fixedly connected with a plurality of positioning pins 10, the right side of the positioning pin 10 is clamped with the inner wall of the corresponding positioning hole 8, the upper and lower ends of the half coupling two 9 are fixedly connected with fixed plates two 11, the sides away from each other of the fixed plate two 11 are rotatably connected with L-shaped buckles two 12, the right side of the L-shaped buckle two 12 is threadedly connected with a fastening bolt 13, the left side of the L-shaped buckle one 6 is threadedly connected with the right side of the fastening bolt 13, the left and right ends of the fastening bolt 13 are engagedly connected with nuts 14, the inner side of the half coupling one 4 is provided with a protection mechanism 2, the protection mechanism 2 is used for improving the protection performance of the coupling, the front and back sides left ends of the half coupling one 4 are fixedly connected with warning signs 17, the two warning signs 17 are designed symmetrically;

[0032] Specific, elastomer 1 not only has good elasticity and durability, but also in the center part is fixedly connected with cylindrical pin 3, cylindrical pin 3 not only can transmit torque, and right side with half coupling a 4 clamping, ensure the efficient operation of the coupling, the left side of the cylindrical pin 3 and the cover plate 7 clamping, the left side of the cover plate 7 is provided with a plurality of positioning hole 8, ensure the positioning of the coupling assembly, the right side of the positioning pin 10 and the inner wall of the corresponding positioning hole 8 clamping, ensure the stability and reliability of the coupling in the process of operation, through the both ends of the fastening bolt 13 are engaged with the nut 14, further enhance the stability of the structure, the front and rear sides of the half coupling a 4 are fixedly connected with the warning sign 17, in order to clearly see the warning information from different angles, remind safety.

[0033] Please refer to the attached Figure 3 - attached Figure 5 , the protection mechanism 2 includes fastening ring 201, fastening ring 201 is fixedly connected to the outer wall of half coupling two 9, the inner side of the cover plate 7 is fixedly connected with a plurality of reinforcing ribs one 202, the adjacent between a plurality of reinforcing ribs one 202 is fixedly connected with connecting rod one 203, the inner wall of half coupling two 9 is fixedly connected with chromium plating 207, the outer wall of half coupling a 4 is fixedly connected with protection ring 204, the inner side of half coupling a 4 is fixedly connected with a plurality of reinforcing ribs two 205, the adjacent between a plurality of reinforcing ribs two 205 is fixedly connected with connecting rod two 206, the inner wall of half coupling a 4 is fixedly connected with polyurethane coating 208, the outer wall of fastening ring 201 is fixedly connected with signboard one 23, the outer wall of protection ring 204 is fixedly connected with signboard two 24;

[0034] Specific, fastening ring 201 is an important part of the protection mechanism 2, to provide additional structural strength, reinforcing ribs one 202 not only enhances the structural stability of the cover plate 7, but also forms a solid support network through the connecting rod one 203 between adjacent, further improve the reliability of the whole protection mechanism 2, the inner wall of half coupling two 9 is fixedly connected with chromium plating 207, the coating not only increases the surface wear resistance, but also improves the corrosion resistance of the half coupling, protection ring 204 also plays a protective role, reinforcing ribs two 205 and reinforcing ribs one 202 are similar, through the connecting rod two 206 between adjacent to form a solid support structure, polyurethane coating 208 provides good damping performance, help to reduce the vibration and noise generated when the equipment is running, so as to protect the internal structure of half coupling a 4, signboard one 23, for providing necessary information and warning signs

[0035] Please refer to the attached Figure 1 - attached Figure 3, the top of the elastomer 1 is fixedly connected with a nameplate 15, the left end of the half-coupling two 9 is fixedly connected with a sealing ring 18, the left side of the half-coupling two 9 is fixedly connected with a fixed block one 19 at the upper end and the lower end, and the right side of the half-coupling one 4 is fixedly connected with a fixed block two 20 at the upper end and the lower end;

[0036] Specifically, the nameplate 15 is used for identifying and providing information of the equipment, the sealing ring 18 is used for preventing leakage of liquid and gas and ensuring a normal working environment of the coupling, and the fixed block one 19 is used for supporting and stabilizing the coupling and can be clamped with the L-shaped buckle two 12 to fix the L-shaped buckle two 12 when not connected.

[0037] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 3 , the front and rear right ends of the half-coupling two 9 are fixedly connected with a direction indicator 16, the two direction indicators 16 are symmetrically designed, the left side of the half-coupling two 9 is fixedly connected with a power shaft 21 in the middle, and the right side of the half-coupling one 4 is fixedly connected with an output shaft 22 in the middle.

[0038] Specifically, the direction indicators 16 fixedly connected with the front and rear right ends of the half-coupling two 9 are used to ensure accurate alignment and consistency of operation, the power shaft 21 is responsible for power transmission, and the output shaft 22 is used for outputting power and movement.

[0039] Working principle: when installed, the positioning and installation of the half-coupling one 4 and the cover plate 7 can be realized through the cylindrical pin 3, the relative position accuracy between the two is ensured, the force transmission of the coupling is more stable during operation, vibration and wear caused by installation deviation are reduced, the installation of the half-coupling two 9 is realized through the clamping of the positioning pin 10 and the positioning hole 8, the coaxiality between the two half-couplings is ensured, which is conducive to improving the transmission efficiency and reducing mechanical noise, finally, the L-shaped buckle one 6 and the L-shaped buckle two 12 are rotated and fixed through the fastening bolt 13, the stability of the structure is strengthened, the parts are effectively prevented from loosening due to vibration during equipment operation, thereby enhancing the stability and reliability of the entire coupling structure, helping to solve the problem of inaccurate transmission caused by installation deviation, enabling the power to be accurately and stably transmitted, improving the transmission efficiency and reducing energy loss, and facilitating the inspection, replacement and maintenance of the internal vulnerable parts without affecting the installation position accuracy of the half-coupling, and the original state can be quickly restored after reinstallation after maintenance;

[0040] The fastening ring 201 outside the half-coupling two 9 can prevent relative displacement during transmission, ensuring the reliability of power transmission, the reinforcing rib one 202 and the connecting rod one 203 inside the half-coupling two 9 can improve the ability to bear torque and impact force, so that the half-coupling is not easy to be damaged under the working conditions of high speed and heavy load, the chrome plating coating 207 of the inner wall of the half-coupling two 9 can effectively prevent the inner wall from being eroded by corrosive medium, the protective ring 204 outside the half-coupling one 4 can ensure the reliability of connection and transmission efficiency, the reinforcing rib two 205 and the connecting rod two 206 inside the half-coupling two 9 can maintain good stability and reliability when bearing forces in different directions, and the polyurethane coating 208 of the inner wall of the half-coupling two 9 can effectively resist friction between the inner wall of the half-coupling two 9 and other components, reduce wear and tear, and improve service life.

[0041] Finally, it should be noted that: the above only for the preferred embodiments of the utility model have described, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. An axially resilient hub collar comprising an elastomer (1), characterised in that: The middle part of the elastic body (1) is fixedly connected with two cylindrical pins (3), the right side of the cylindrical pin (3) is clamped with a half coupling (4), the upper and lower ends of the half coupling (4) are fixedly connected with fixed plates (5), the faraway sides of the fixed plates (5) are rotatably connected with L-shaped buckles (6), the left side of the cylindrical pin (3) is clamped with a cover plate (7), the left side of the cover plate (7) is provided with a plurality of positioning holes (8), the left side of the cover plate (7) is provided with a half coupling (9), the right side of the half coupling (9) is fixedly connected with a plurality of positioning pins (10), the right side of the positioning pin (10) is clamped with the inner wall of the corresponding positioning hole (8), the upper and lower ends of the half coupling (9) are fixedly connected with fixed plates (11), the faraway sides of the fixed plates (11) are rotatably connected with L-shaped buckles (12), the right side of the L-shaped buckle (12) is threadedly connected with a fastening bolt (13), the right side of the fastening bolt (13) is threadedly connected with the left side of the L-shaped buckle (6), the left and right ends of the fastening bolt (13) are engaged with nuts (14), and the inner side of the half coupling (4) is provided with a protection mechanism (2) for improving the protection performance of the coupling.

2. An axial resilient hub coupling as claimed in claim 1, wherein: The protection mechanism (2) comprises a fastening ring (201) fixedly connected to the outer wall of the half coupling (9), a plurality of reinforcing ribs (202) fixedly connected to the inner side of the cover plate (7), a connecting rod (203) fixedly connected between adjacent ones of the plurality of reinforcing ribs (202), a chromium plating layer (207) fixedly connected to the inner wall of the half coupling (9), a protection ring (204) fixedly connected to the outer wall of the half coupling (4), a plurality of reinforcing ribs (205) fixedly connected to the inner side of the half coupling (4), a connecting rod (206) fixedly connected between adjacent ones of the plurality of reinforcing ribs (205), and a polyurethane coating (208) fixedly connected to the inner wall of the half coupling (4).

3. An axial resilient hub coupling as defined in claim 1 wherein: The front and rear right ends of the half coupling (9) are fixedly connected with direction indicators (16), and the two direction indicators (16) are designed symmetrically.

4. An axial resilient hub coupling as defined in claim 1 wherein: The top of the elastic body (1) is fixedly connected with a nameplate (15), and the left end of the half coupling (9) is fixedly connected with a sealing ring (18).

5. An axial resilient hub coupling as defined in claim 1 wherein: The left upper and lower ends of the half coupling (9) are fixedly connected with fixed blocks (19), and the right upper and lower ends of the half coupling (4) are fixedly connected with fixed blocks (20).

6. An axial resilient hub coupling as defined in claim 1 wherein: The front and rear left ends of the half coupling (4) are fixedly connected with warning signs (17), and the two warning signs (17) are designed symmetrically.

7. An axial resilient hub coupling as defined in claim 1 wherein: The left middle part of the half coupling (9) is fixedly connected with a power shaft (21), and the right middle part of the half coupling (4) is fixedly connected with an output shaft (22).

8. An axial resilient hub coupling as defined in claim 2 wherein: The outer wall of the fastening ring (201) is fixedly connected with a signboard (23), and the outer wall of the protection ring (204) is fixedly connected with a signboard (24).

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