CN114776717A

CN114776717A - Connecting shaft

Info

Publication number: CN114776717A
Application number: CN202210244732.XA
Authority: CN
Inventors: 姜春华; 蒋燕飞; 祝雪金; 周良
Original assignee: DEPAMU (HANGZHOU) PUMP TECHNOLOGY CO LTD
Current assignee: DEPAMU (HANGZHOU) PUMP TECHNOLOGY CO LTD
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-22
Anticipated expiration: 2042-03-14
Also published as: CN114776717B

Abstract

The invention relates to a coupling shaft comprising: elastic shaft coupling mechanism, broken roller mechanism and commentaries on classics roller installing support. The crushing roller mechanism is rotatably connected with the roller mounting bracket through an elastic shaft connecting mechanism. The elastic shaft coupling mechanism includes: the connecting shaft and the elastic buffer component are rotated. The elastic buffer component is arranged at the end part of the rotary connecting shaft. The elastic buffer assembly comprises: buffer movable inner chamber, buffering conflict pole, conflict backup pad, fixed connection board, tip friction pad, support link and first buffer spring. The buffer movable inner cavity is arranged at the end part of the rotary connecting shaft. Two buffer movable inner cavities are symmetrically arranged. The crushing roller mounting bracket has the beneficial effects that the crushing roller mechanism can be elastically and stably connected with the roller mounting bracket through the arranged elastic shaft connecting mechanism. The rigid connection is prevented from being broken due to overlarge collision force.

Description

Coupling shaft

Technical Field

The invention relates to the technical field of couplings, in particular to a connecting shaft.

Background

The coupling is also called coupling. Mechanical parts for firmly coupling the driving shaft and the driven shaft in different mechanisms to rotate together and transmitting motion and torque. Sometimes also to couple the shaft with other parts (e.g. gears, pulleys, etc.). Usually, the two halves are combined and fastened to the two shaft ends by a key or a tight fit, and then the two halves are connected in a certain way. The coupling can also compensate for misalignment (including axial misalignment, radial misalignment, angular misalignment, or combined misalignment) between the shafts due to manufacturing inaccuracies, deformation or thermal expansion during operation, and the like. And shock mitigation and absorption.

Can use the breaker to smash various goods in industrial production usually, and broken roller on the breaker often carries out the erection joint through coupling shaft and frame, and the coupling shaft is used in the installation of current broken roller is too rigid, when changeing the roller and move at the excessive speed, often can make the coupling shaft take place cracked phenomenon in the work operation, leads to changeing the unable normal work of roller.

Disclosure of Invention

The present invention has been made to solve the above-mentioned problems occurring in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

a coupling shaft, comprising: elastic shaft coupling mechanism, broken roller mechanism and roller installing support that changes. The crushing roller mechanism is rotatably connected with the roller mounting bracket through an elastic shaft connecting mechanism. The elastic shaft coupling mechanism includes: the connecting shaft and the elastic buffer component are rotated. The elastic buffer component is arranged at the end part of the rotary connecting shaft. The elastic buffer assembly comprises: the buffer device comprises a buffer movable inner cavity, a buffer abutting rod, an abutting supporting plate, a fixed connecting plate, an end friction pad, a supporting connecting rod and a first buffer spring. The buffer movable inner cavity is arranged at the end part of the rotary connecting shaft. Two buffer movable inner cavities are symmetrically arranged. The buffering is supported the feeler lever setting and is being cushioned the activity intracavity, and the department of buckling of buffering support the feeler lever passes through the bearing and cushions movable inner chamber inner wall and rotates continuously. The butt supporting plate is hinged to the end of the buffer butt rod. The fixed connection board is arranged in the buffer movable inner cavity in a sliding mode and located on the outer side of the abutting supporting board. The end friction pad is attached to the outer surface of the fixed connecting plate. The support connecting rods are provided with two, and the two support connecting rods are hinged to the inner side face of the fixed connecting plate and are used for connecting the supporting plate to be butted with the inner side face of the fixed connecting plate. The end part of the first buffer spring is connected with the middle part of the support connecting rod body. The first buffer spring elastically connects the two support connecting rods.

As a further scheme of the invention: the elastic shaft coupling mechanism further includes: an elastic fixing component. The elastic fixing component comprises: fixed screw, activity recess, fixing bolt, extrusion touch panel, bottom connecting block, slip inserted bar, sliding connection base and second buffer spring. The fixed screw holes are symmetrically arranged on the outer side of the rotating connecting shaft, and the movable grooves are arranged on the inner wall of the fixed screw holes. The movable groove is communicated with the buffer movable inner cavity. The fixing bolt is rotatably inserted in the fixing screw hole. The extrusion abutting plate is arranged in the movable groove in a sliding mode, and the bottom end of the extrusion abutting plate is hinged to the end portion of the buffering abutting rod. The bottom connecting block is connected with the bottom of the extrusion abutting plate. The sliding inserted bar is vertically arranged on the bottom end connecting block. The sliding connection base is arranged on the inner wall of the movable groove. The sliding insertion rod is inserted in the inner cavity of the sliding connection base in a sliding mode. The second buffer spring is sleeved on the outer sides of the sliding inserted rod and the sliding connection base.

As a further scheme of the invention: the buffer movable inner cavity is in a curved shape, and the buffer touch rod is in a curved shape matched with the buffer movable inner cavity.

As a further scheme of the invention: broken roller mechanism that changes includes: the crushing roller main body and the roller fixing mounting groove. The fixed mounting groove of the rotary roller is arranged at the end part of the main body of the crushing rotary roller.

As a further scheme of the invention: the elastic shaft coupling mechanism further includes: the coupling assembly is rotated. The rotation connection assembly includes: tip mounting groove, rotation fixed inserted bar, first inner chamber recess, second inner chamber recess and connection ball. The end part mounting groove is formed in the end part of the rotating connecting shaft. The rotary fixing inserted bar movably penetrates through the middle of the rotary roller mounting support, and the end part of the rotary fixing inserted bar extends into the end part mounting groove. The first inner cavity grooves are symmetrically arranged at the end part of the rotary fixed inserting rod. The inner walls of the end part mounting grooves are symmetrically formed in the second inner cavity grooves. The connecting ball is rotatably embedded in the second inner cavity groove and the first inner cavity groove.

As a further scheme of the invention: the rotary fixed inserted link is divided into two parts which are vertically connected.

As a further scheme of the invention: the first inner cavity groove is a semicircular annular sliding groove which is convenient for connecting the rolling balls to rotate.

As a further scheme of the invention: the second inner cavity groove is a semicircular annular sliding groove matched with the connecting ball.

As a further scheme of the invention: the elastic shaft coupling mechanism further includes: and stabilizing the fixed assembly. The stable fixed subassembly includes: side jack, side fixing bolt and third buffer spring. The side jacks are symmetrically arranged on the outer side surface of the rotary fixed inserted rod. The side fixing bolt is rotatably inserted into the side jack in a threaded manner, and the tail end of the side fixing bolt extends into the rotary roller mounting bracket. The third buffer spring is sleeved on the outer side of the side fixing bolt rod body.

As a further scheme of the invention: the end part of the side fixing bolt is provided with anti-slip lines for increasing the contact friction force.

Compared with the prior art, the invention has the beneficial effects that: the crushing roller mechanism and the roller mounting bracket can be elastically and stably connected through the arranged elastic shaft connecting mechanism. The rigid connection is prevented from breaking due to overlarge collision force.

Mainly through the elastic buffer assembly and the elastic fixing assembly which are arranged in the elastic shaft connecting mechanism. Elastic buffer subassembly and elastic fixation subassembly can carry out elastic fixation to the tip that rotates the connecting axle and insert and change roller fixed mounting groove for when broken roller mechanism takes place the impact. When the collision force is transmitted to the first buffer spring and the second buffer spring in the elastic buffer assembly and the elastic fixing assembly, the rebound force generated by the first buffer spring and the second buffer spring is greatly offset. And then the rotating connecting shaft and the crushing roller main body can be elastically and stably connected.

Meanwhile, a rotating connecting assembly and a stable fixing assembly are arranged on the outer side of the rotating roller mounting bracket. Rotate coupling assembling and can make and rotate the connecting axle and change and rotate between the roller installing support and link to each other, and then do not influence the rotation that rotates connecting axle and broken roller main part, and stable fixed subassembly then can make rotate coupling assembling and change and fix more firmly between the roller installing support.

Other features and advantages of the present invention will be disclosed in more detail in the following detailed description of the invention and the accompanying drawings.

Drawings

FIG. 1 is an overall schematic view of a coupling shaft of the present invention;

FIG. 2 is a schematic cross-sectional view of the structure of the present invention.

FIG. 3 is a schematic cross-sectional view of the structure of the elastic buffer assembly shown in FIG. 2 according to the present invention.

Fig. 4 is an enlarged view of the elastic fixing member of fig. 3 according to the present invention.

Fig. 5 is a schematic sectional view illustrating the structure of the rotating connecting assembly of fig. 2 according to the present invention.

List of reference numerals: the coupling shaft device 100; an elastic shaft coupling mechanism 10; rotating the connecting shaft 11; a resilient cushioning component 12; a buffer movable inner cavity 120; the buffer contact rod 121; against the support plate 122; a fixed connection plate 123; end friction pads 124; a support connection rod 125; a first buffer spring 126; an elastic fixing member 13; a fixing screw hole 130; a movable groove 131; a fixing bolt 132; the pressing abutment plate 133; a bottom connection block 134; a sliding plunger 135; a sliding connection mount 136; the second buffer spring 137; rotating the connecting assembly 14; an end mounting groove 140; a rotation fixing insertion rod 141; a first inner cavity groove 142; a second inner cavity groove 143; the connecting balls 144; a stabilizing fixture assembly 15; a side insertion hole 150; side fixing bolts 151; a third buffer spring 152; a crushing roller mechanism 20; a crushing roller main body 21; a roller fixing mounting groove 22; a roller mounting bracket 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, in an embodiment of the present invention, a coupling shaft device 100 includes: the device comprises an elastic shaft coupling mechanism 10, a crushing roller mechanism 20 and a roller mounting bracket 30. The crushing roller mechanism 20 is rotatably connected with the roller mounting bracket 30 through an elastic shaft connecting mechanism 10. The elastic shaft coupling mechanism 10 includes: a rotating connecting shaft 11 and an elastic buffer component 12. An elastic buffer assembly 12 is provided at the end of the rotating connecting shaft 11. The elastic buffer assembly 12 includes: the buffer movable cavity 120, the buffer interference rod 121, the interference support plate 122, the fixed connection plate 123, the end friction pad 124, the support connection rod 125 and the first buffer spring 126. The buffer movable cavity 120 is opened at the end of the rotation connecting shaft 11. Two buffer movable inner cavities 120 are symmetrically arranged. The buffer touch rod 121 is arranged in the buffer movable inner cavity 120, and the bent part of the buffer touch rod 121 is rotatably connected with the inner wall of the buffer movable inner cavity 120 through a bearing. The interference support plate 122 is hinge-coupled to an end of the buffer interference lever 121. The fixed connecting plate 123 is slidably disposed in the buffer movable cavity 120, and the fixed connecting plate 123 is located outside the abutting supporting plate 122. The end friction pad 124 is attached to the outer surface of the fixed link plate 123. The number of the supporting connecting rods 125 is two, and the two supporting connecting rods 125 are hinged to the inner side of the supporting plate 122 and the fixed connecting plate 123. The end of the first buffer spring 126 is connected to the middle of the shaft of the support connection rod 125. The first buffer spring 126 elastically connects the two support link rods 125.

When the user desires to rotatably mount the crushing roller mechanism 20 on the roller mounting bracket 30. The user needs to use the elastic shaft coupling mechanism 10 for rotary connection, and the great impact generated during the operation of the crushing roller mechanism 20 is relieved by the buffering elastic force of the elastic shaft coupling mechanism 10. The elastic shaft coupling mechanism 10 is prevented from being too rigid to be broken directly.

The user inserts the end of the rotation connection shaft 11 inside the elastic shaft coupling mechanism 10 to the roller fixing installation groove 22 inside the crushing roller mechanism 20. And the end part of the rotating connecting shaft 11 is elastically connected with the rotating roller fixing installation groove 22 through an elastic buffer component 12 in the elastic shaft connecting mechanism 10. Through contradicting the fixed subassembly 13 of elasticity for buffering is supported pole 121 and is rotated inside buffering activity inner chamber 120. Thereby driving the abutting supporting plate 122 connected to the end of the buffer abutting rod 121 to move to the outside of the buffer movable cavity 120. The support connection rod 125 is collided by colliding the support plate 122. The support link 125 transfers the interference to the fixing link 123 so that the fixing link 123 interferes with the end friction pad 124. The end friction pad 124 is abutted against and fixed to the inner wall of the rotating roller fixing installation groove 22. When a large impact occurs to the crushing roller main body 21. The impact force is transmitted to the end friction pad 124 through the inner wall of the roller fixing installation groove 22. Thereby pressing the first buffer spring 126 between the support link rods 125, so that the first buffer spring 126 is elastically deformed. The resilience force generated by the deformation can counteract a part of the impact force. The impact force is reduced, and the rest of the impact force will continue to collide with the supporting plate 122. Thereby rotating the buffer contact rod 121. The impact force continues to be transmitted into the resilient mounting member 13.

As shown in fig. 1 to 4, in the embodiment of the present invention, the elastic shaft coupling mechanism 10 further includes: an elastic fixing member 13. The elastic fixing assembly 13 includes: a fixing screw hole 130, a movable groove 131, a fixing bolt 132, a pressing interference plate 133, a bottom end connecting block 134, a sliding insert rod 135, a sliding connecting base 136 and a second buffer spring 137. The fixing screw holes 130 are symmetrically formed on the outer side of the rotary connecting shaft 11, and the movable grooves 131 are formed on the inner wall of the fixing screw holes 130. The movable groove 131 is communicated with the buffer movable cavity 120. The fixing bolt 132 is rotatably inserted into the fixing screw hole 130. The pressing abutting plate 133 is slidably disposed in the movable groove 131, and a bottom end of the pressing abutting plate 133 is hinged to an end of the buffer abutting rod 121. The bottom end connecting block 134 is connected to the bottom end of the pressing interference plate 133. The sliding insertion rod 135 is vertically disposed on the bottom end connection block 134. The sliding coupling seats 136 are provided at the inner walls of the movable grooves 131. The sliding insertion rod 135 is slidably inserted into the inner cavity of the sliding connection base 136. The second buffer spring 137 is sleeved outside the sliding insertion rod 135 and the sliding connection base 136.

The buffer movable cavity 120 is curved, and the buffer contact rod 121 is curved to match the buffer movable cavity 120.

The crushing roller mechanism 20 includes: a crushing roller main body 21 and a roller fixing mounting groove 22. The roller fixing mounting groove 22 is opened at an end of the crushing roller main body 21.

When the impact force is transmitted to the inside of the elastic fixing member 13 through the buffer striking rod 121. Is first transferred to the pressing abutting plate 133, and the bottom end of the pressing abutting plate 133 is connected to the bottom end connecting block 134. The bottom end of the bottom connecting block 134 is vertically provided with a sliding insertion rod 135, and the sliding insertion rod 135 is slidably inserted into the sliding connecting base 136. The sliding insertion rod 135 and the sliding connection base 136 are externally fitted with a second buffer spring 137, when the vibration force is transmitted to the sliding insertion rod 135. The sliding rod 135 drives the second buffer spring 137 to slide towards the inside of the sliding connection base 136. So that the second buffer spring 137 is extended and a certain resilient force is generated inside the second buffer spring 137. The resilience of the second buffer spring 137 will reduce the vibration force transmitted from the buffer resisting rod 121 again. So that the connection of the elastic shaft coupling mechanism 10 to the crushing roller mechanism 20 has a certain spring buffering space. The elastic shaft coupling mechanism 10 is not just rigidly connected, and the risk of breakage in the rigid connection process is avoided.

As shown in fig. 1 to 5, in the embodiment of the present invention, the elastic shaft coupling mechanism 10 further includes: connecting assembly 14 is rotated. The rotating coupling assembly 14 includes: an end mounting groove 140, a rotation fixing insertion rod 141, a first inner cavity groove 142, a second inner cavity groove 143, and a connection ball 144. The end portion mounting groove 140 is opened at the end portion of the rotation connecting shaft 11. The rotation fixing insertion rod 141 movably passes through the middle of the rotation roller mounting bracket 30, and the end of the rotation fixing insertion rod 141 extends into the end mounting groove 140. The first inner cavity grooves 142 are symmetrically formed at the end of the rotation fixing insertion rod 141. The second inner cavity grooves 143 are symmetrically formed on the inner wall of the end mounting groove 140. The connection balls 144 are rotatably fitted in the second inner cavity groove 143 and the first inner cavity groove 142.

The rotation fixing insertion rod 141 is divided into two parts, and the two parts are vertically connected.

The first inner cavity groove 142 is a semicircular annular slide groove for facilitating the rotation of the connecting ball 144.

The second inner cavity groove 143 is a semicircular annular slide groove adapted to the connecting ball 144.

By providing a rotating connection assembly 14 at the other end of the rotating connection shaft 11. The rotating connecting assembly 14 can ensure that the rotating connecting shaft 11 rotates along with the rotation of the crushing roller mechanism 20, so that the rotating connecting shaft 11 is rotatably connected with the roller mounting bracket 30. The stability of the connection of the rotating connecting shaft 11 is ensured. And the rotation of the crushing roller mechanism 20 is not hindered. When the rotating connecting shaft 11 rotates. The first inner cavity groove 142 is rotatably connected with the second inner cavity groove 143 through the connecting ball 144. And thus the rotation fixing insertion rod 141 inserted into the inside of the end portion installation groove 140 can be more stabilized.

The elastic shaft coupling mechanism 10 further includes: the fixing member 15 is stabilized. The stabilizing fixture assembly 15 includes: a side insertion hole 150, a side fixing bolt 151, and a third buffer spring 152. The side insertion holes 150 are symmetrically formed on the outer side of the rotation fixing insertion rod 141. The side fixing bolts 151 are threadedly inserted into the side insertion holes 150, and ends of the side fixing bolts 151 extend into the rotary roller mounting bracket 30. The third buffer spring 152 is sleeved outside the shaft of the side fixing bolt 151.

The end of the side fixing bolt 151 is provided with anti-slip threads for increasing the contact friction force.

Further, the stabilizing and fixing assembly 15 is arranged on the outer side of the roller mounting bracket 30. The rotary fixing insert rod 141 is fixedly connected with the rotary roller mounting bracket 30 through a side fixing bolt 151 inside the stable fixing assembly 15. So that the space between the rotary fixing rod 141 and the rotary roller mounting bracket 30 is more firm, and the third buffer spring 152 is sleeved outside the side fixing bolt 151, so that the rotary fixing rod 141 is rotated when moving. The third buffer spring 152 can also play a certain role in buffering the rotating connecting shaft 11.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A coupling shaft, comprising: the device comprises an elastic shaft connecting mechanism, a crushing roller mechanism and a roller mounting bracket; the crushing roller mechanism is rotatably connected with the roller mounting bracket through the elastic shaft connecting mechanism; the elastic shaft coupling mechanism includes: the rotating connecting shaft and the elastic buffer component are arranged; the elastic buffer assembly is arranged at the end part of the rotating connecting shaft; the elastic buffer assembly comprises: the buffer device comprises a buffer movable inner cavity, a buffer abutting rod, an abutting supporting plate, a fixed connecting plate, an end friction pad, a supporting connecting rod and a first buffer spring; the buffer movable inner cavity is formed in the end part of the rotating connecting shaft; two buffer movable inner cavities are symmetrically arranged; the buffer touch rod is arranged in the buffer movable inner cavity, and the bent part of the buffer touch rod is rotationally connected with the inner wall of the buffer movable inner cavity through a bearing; the collision supporting plate is hinged to the end part of the buffer collision rod; the fixed connecting plate is arranged in the buffer movable inner cavity in a sliding mode and is positioned on the outer side of the abutting supporting plate; the end friction pad is attached to the outer surface of the fixed connecting plate; the two support connecting rods are used for connecting the abutting support plate with the inner side face of the fixed connecting plate in a hinged mode; the end part of the first buffer spring is connected with the middle part of the support connecting rod body; the first buffer spring elastically connects the two support connecting rods.

2. The coupling shaft according to claim 1,

the elastic shaft coupling mechanism further includes: an elastic fixing component; the elastic fixing assembly includes: the device comprises a fixed screw hole, a movable groove, a fixed bolt, an extrusion abutting plate, a bottom end connecting block, a sliding insertion rod, a sliding connecting base and a second buffer spring; the fixed screw holes are symmetrically formed in the outer side of the rotating connecting shaft, and the movable grooves are formed in the inner wall of the fixed screw holes; the movable groove is communicated with the buffer movable inner cavity; the fixing bolt is rotatably inserted into the fixing screw hole; the extrusion abutting plate is arranged in the movable groove in a sliding mode, and the bottom end of the extrusion abutting plate is hinged with the end portion of the buffer abutting rod; the bottom end connecting block is connected with the bottom end of the extrusion abutting plate; the sliding insertion rod is vertically arranged on the bottom end connecting block; the sliding connection base is arranged on the inner wall of the movable groove; the sliding insertion rod is slidably inserted into the inner cavity of the sliding connection base; the second buffer spring is sleeved on the outer sides of the sliding insertion rod and the sliding connection base.

3. The coupling shaft according to claim 2,

the buffering movable inner cavity is in a bent shape, and the buffering contact rod is in a bent shape matched with the buffering movable inner cavity.

4. The coupling shaft according to claim 3,

the crushing roller mechanism comprises: the crushing roller main body and the roller fixing mounting groove; the roller fixing mounting groove is formed in the end portion of the crushing roller main body.

5. The coupling shaft according to claim 4,

the elastic shaft coupling mechanism further includes: rotating the connecting assembly; the rotation connection assembly includes: the end part mounting groove, the rotary fixed inserted bar, the first inner cavity groove, the second inner cavity groove and the connecting ball are arranged on the end part mounting groove; the end part mounting groove is formed in the end part of the rotating connecting shaft; the rotary fixed inserting rod movably penetrates through the middle part of the rotary roller mounting bracket, and the end part of the rotary fixed inserting rod extends into the end part mounting groove; the first inner cavity grooves are symmetrically formed in the end part of the rotary fixed inserting rod; the second inner cavity grooves are symmetrically formed in the inner wall of the end part mounting groove; the connecting ball is rotatably embedded in the second inner cavity groove and the first inner cavity groove.

6. The coupling shaft according to claim 5,

the rotary fixing inserted bar is divided into two parts which are vertically connected.

7. The coupling shaft according to claim 6,

the first inner cavity groove is a semicircular annular sliding groove which is convenient for the connection ball to rotate.

8. The coupling shaft according to claim 7,

the second inner cavity groove is a semicircular annular sliding groove matched with the connecting ball.

9. The coupling shaft according to claim 8,

the elastic shaft coupling mechanism further includes: a stabilizing fixture assembly; the stabilizing fixture assembly includes: the side jack, the side fixing bolt and the third buffer spring; the side jacks are symmetrically arranged on the outer side surface of the rotary fixed inserted rod; the side fixing bolt is rotatably inserted into the side jack in a threaded manner, and the tail end of the side fixing bolt extends into the rotary roller mounting bracket; the third buffer spring is sleeved on the outer side of the side fixing bolt rod body.

10. The coupling shaft according to claim 9,

the end part of the side fixing bolt is provided with anti-slip grains for increasing the contact friction force.