Transmission connection structure of hollow shaft speed reducer

Abstract

The utility model discloses a hollow shaft speed reducer transmission connection structure which comprises a driving shaft and a driven shaft which are coaxially arranged, the end, facing the driven shaft, of the driving shaft is a driving shaft connection end, and the driving shaft penetrates through a hollow shaft speed reducer and is in key connection with the hollow shaft speed reducer. One end, facing the driving shaft, of the driven shaft is a driven shaft connecting end; in the driving shaft connecting end and the driven shaft connecting end, the end face of one connecting end is axially provided with a flat hole, the other connecting end is provided with a flat head, and the flat head extends into the flat hole. According to the transmission connection structure of the hollow shaft speed reducer, connection and disconnection of the driving shaft and the driven shaft can be achieved by axially moving the driving shaft, then connection and disconnection of transmission between the hollow shaft speed reducer and the driven device are achieved, the hollow shaft speed reducer or the driven device does not need to be moved, and therefore the transmission connection structure of the hollow shaft speed reducer is simple in structure and convenient to use. The whole operation of connection and disconnection is more convenient, faster, time-saving and labor-saving, and the operation efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to transmission connection structure technical field especially relates to a hollow shaft speed reducer transmission connection structure. BACKGROUND

[0002] In the steel and iron metallurgical industry, there are a large number of K, S series hollow shaft speed reducer transmission equipment. When the existing hollow shaft speed reducer is connected with other equipment transmission, the transmission shaft is usually first inserted into the hollow shaft speed reducer, and then the hollow shaft speed reducer is locked and fixed after key connection with the hollow shaft speed reducer. When disassembling and disconnecting transmission, the locking fastener of the hollow shaft speed reducer needs to be loosened first, and the hollow shaft speed reducer is moved to make the transmission shaft extend out of the hollow shaft speed reducer, and the disconnection of the hollow shaft speed reducer and other equipment is completed. The transmission connection structure of the existing hollow shaft speed reducer is extremely inconvenient for the transmission connection and transmission disconnection of the hollow shaft speed reducer and other equipment, and it is time-consuming and laborious to operate. SUMMARY

[0003] The utility model provides a hollow shaft speed reducer transmission connection structure.

[0004] The technical scheme for realizing the utility model is as follows: a hollow shaft speed reducer transmission connection structure, comprising a driving shaft and a driven shaft arranged coaxially, one end of the driving shaft towards the driven shaft is a driving shaft connecting end, the other end of the driving shaft away from the driven shaft is a driving shaft free end, the driving shaft passes through a hollow shaft speed reducer and is key connected with the hollow shaft speed reducer, one end of the driven shaft towards the driving shaft is a driven shaft connecting end; among the driving shaft connecting end and the driven shaft connecting end, the end face of one connecting end is provided with a flat hole in the axial direction, the other connecting end is provided with a flat head, the flat head extends into the flat hole and cooperates with the flat hole; a screw rod is fixedly installed on the hollow shaft speed reducer, the screw rod is parallel to the driving shaft, a top plate passes through and is installed on the screw rod, the top plate is located on the end side outside the driving shaft free end, a nut is further installed on the screw rod, the nut is located on the side of the top plate away from the driving shaft free end and abuts against the top plate, a turntable is rotatably installed on the surface of the top plate towards the driving shaft free end, the turntable faces the driving shaft free end, and the distance between the turntable and the driving shaft free end is less than the length of the flat head extending into the flat hole.

[0005] Further, the driving shaft comprises a driving shaft body and a connecting head fixedly connected in the axial direction, the connecting head faces the driven shaft, and the flat hole is arranged on the connecting head. Compared with the flat hole arranged on the driving shaft body, the connecting head with the flat hole is more convenient to obtain materials.

[0006] Further, a connecting hole is formed on the connecting head, and the end of the driving shaft body extends into the connecting hole and is fixedly connected with the connecting head.

[0007] Further, the number of the screw rods is two or more, and the top plate passes through all the screw rods.

[0008] Further, an installation hole is formed on the top plate, and the rotating disc is rotatably installed in the installation hole of the top plate through a bearing.

[0009] Further, the installation hole is a hole with one end through and the other end closed.

[0010] Further, the surface of the rotating disc protrudes from the surface of the top plate.

[0011] The hollow shaft reducer transmission connection structure of the utility model, through the key connection of the driving shaft in the hollow shaft reducer, and the setting of the flat head and the flat hole on the driving shaft connecting end of the driving shaft and the driven shaft connecting end of the driven shaft respectively, the connection of the driven shaft and the driving shaft is realized through the plug-in cooperation of the flat head and the flat hole, the driving of the hollow shaft reducer, the driving of the driving shaft and the driven shaft in turn, and the rotation of the driven equipment.

[0012] The utility model hollow shaft speed reducer transmission connection structure, still set up the top plate on the end side outside of the driving shaft free end, the top plate carries out the location to the driving shaft's axial direction, prevents the driving shaft to shift, the flat head is by the flat hole inside and is taken off, the driving shaft and the driven shaft are disconnected, it has guaranteed the stability and reliability of the hollow shaft speed reducer transmission connection structure greatly. And, the setting of the top plate the carousel, after the driving shaft top touches the carousel, the circumferential force of the driving shaft can be converted into the rotation of the carousel, avoids the driving shaft and the top plate direct contact, friction force over force and wears, increases the service life of equipment. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the perspective structure schematic diagram of the utility model hollow shaft speed reducer transmission connection structure;

[0014] Figure 2 It is Figure 1 It is the section view along A-A line;

[0015] Figure 3 It is Figure 1 It is the section view along B-B line. DETAILED DESCRIPTION

[0016] The utility model hollow shaft speed reducer transmission connection structure's preferable implementation will be explained in detail below in combination with the drawings:

[0017] Like Figures 1 to 3As shown, a hollow shaft reducer transmission connection structure, including coaxial driving shaft 1 and driven shaft 2, the driving shaft 1 towards the driven shaft 2 one end of the driving shaft connection end 11, the driving shaft 1 away from the driven shaft 2 one end of the driving shaft free end 12, the driving shaft 1 through the hollow shaft reducer 100, with the hollow shaft reducer 100 key connection, the driven shaft 2 towards the driving shaft 1 one end of the driven shaft connection end 21;The driving shaft connection end 11 and the driven shaft connection end 21, one of the end face of the connection end is provided with a flat hole 111, the other end is provided with a flat head 211, the flat head 211 into the flat hole 111, with the flat hole 111 cooperation;The hollow shaft reducer 100 is fixedly installed with screw rod 3, the screw rod 3 is parallel to the driving shaft 1, a top plate 4 passes through and is installed on the screw rod 3, the top plate 4 is located at the end side of the driving shaft free end 12, the screw rod 3 is further provided with a nut 31, the nut 31 is located on the side of the top plate 4 away from the driving shaft free end 12, and the top plate 4 is in abutment with the top plate 4, the surface of the top plate 4 towards the driving shaft free end 12 is rotatably provided with a rotating disc 5, the rotating disc 5 is opposite to the driving shaft free end 12, and the distance D between the rotating disc 5 and the driving shaft free end 12 is less than the length L of the flat head 211 into the flat hole 111.

[0018] The utility model hollow shaft reducer transmission connection structure, the driving shaft connection end 11 of the driving shaft 1 and the driven shaft connection end 21 in the driven shaft 2, one of the end face of the connection end is provided with a flat hole 111, the other end is provided with a flat head 211, the flat hole 111 can be arranged on the driving shaft connection end 11, also can be arranged on the driven shaft connection end 21. The flat head 211 into the flat hole 111, with the flat hole 111 cooperation, carry out insertion, realize the connection of the driving shaft 1 and the driven shaft 2.

[0019] The utility model hollow shaft reducer transmission connection structure, the top plate 4 is installed on the screw rod 3, is used for carrying out axial location to the driving shaft 1, the nut 31 is located on the side of the top plate 4 away from the driving shaft free end 12, and the top plate 4 is in abutment, adjusts the nut 31, can adjust the position of the top plate 4 on the screw rod 3, the rotating disc 5 installed on the top plate 4 is opposite to the driving shaft free end 12, in the axial location of the driving shaft 1, the rotating disc 5 is directly contacted with the driving shaft free end 12 and is abutted.

[0020] The utility model hollow shaft speed reducer transmission connection structure, in the installation process, the position relation of the driving shaft 1, the driven shaft 2 and the roof 4 can be the driving shaft connecting end 11 and the driven shaft connecting end 21 top touch, the distance D of the rotating disc 5 with the driving shaft free end 12 is zero, the driving shaft free end 12 always with the rotating disc 5 top touch, the driven shaft 2 does not have the space of axial movement, can be the driving shaft free end 12 and the rotating disc 5 interval, the distance D of the rotating disc 5 with the driving shaft free end 12 is not zero.

[0021] The utility model hollow shaft speed reducer transmission connection structure, the driven shaft 2 is the rotation axis of passive equipment 200, or the driven shaft 2 is the connecting shaft, and the rotation axis of passive equipment 200 is coaxial fixed connection. When the hollow shaft speed reducer 100 drives passive equipment 200 to rotate, the hollow shaft speed reducer 100 drives the driving shaft 1 and the driven shaft 2 in turn, and makes passive equipment 200 rotate.

[0022] The utility model hollow shaft speed reducer transmission connection structure, in the process that the hollow shaft speed reducer 100 drives passive equipment 200 to rotate, when the driving shaft 1 axial movement top touch the rotating disc 5, by the roof 4 and the rotating disc 5 installed on it axial limit, and this axial limit makes the flat head 211 not to come out the flat hole 111, and the driving shaft 1 and the driven shaft 2 will not be disconnected. After the driving shaft 1 top touch the rotating disc 5, the friction between the two can drive the rotating disc 5 to rotate.

[0023] The utility model hollow shaft speed reducer transmission connection structure, through the key connection in the hollow shaft speed reducer 100 the driving shaft 1, and on the driving shaft 1 the driving shaft connecting end 11 and the passive shaft 2 the passive shaft connecting end 21, set up the flat head 211 and the flat hole 111 respectively, through the insertion of the flat head 211 and the flat hole 111, realize the connection of passive shaft 2 and the driving shaft 1, realize the driving shaft 1, passive shaft 2 and the hollow shaft speed reducer 100's connection in turn, the hollow shaft speed reducer 100 drive, in turn drive the driving shaft 1 and passive shaft 2, make passive equipment 200 rotate.

[0024] The utility model hollow shaft speed reducer transmission connection structure, still set up the top board 4 on the end side outside of the driving shaft free end 12, the top board 4 is limited to the driving shaft 1's axial direction, prevent the driving shaft 1 to move, the flat head 211 is taken out from the flat hole 111, the driving shaft 1 and passive shaft 2 are disconnected, which greatly guarantees the stability and reliability of the hollow shaft speed reducer transmission connection structure. And, the setting of the rotating disc 5 on the top board 4 makes the driving shaft 1 top contact the rotating disc 5, and the circumferential force of the driving shaft 1 can be converted into the rotation of the rotating disc 5, avoiding the direct contact between the driving shaft 1 and the top board 4, and the excessive friction force causing wear, thus increasing the service life of the equipment.

[0025] The utility model hollow shaft speed reducer transmission connection structure, when the driving shaft 1 and the passive shaft 2 are disconnected, specifically, rotate the nut 31, move the top board 4 and the driving shaft 1 to the side away from the passive equipment 200, so that the flat head 211 can be taken out from the flat hole 111.

[0026] The utility model hollow shaft speed reducer transmission connection structure, preferably, the driving shaft 1 includes an axially fixed driving shaft body 101 and a connecting head 102, the connecting head 102 faces the passive shaft 2, and the flat hole 111 is arranged on the connecting head 102. Compared with the flat hole 111 arranged on the driving shaft body 101, the connecting head 102 with the flat hole 111 is more convenient to obtain.

[0027] The utility model hollow shaft speed reducer transmission connection structure, preferably, the connecting hole 1021 is set up on the connecting head 102, the end of the driving shaft body 101 is inserted into the connecting hole 1021 with the connecting head 102 fixed connection. The end of the driving shaft body 101 is inserted into the connecting hole 1021, and can be interference fit with the connecting head 102, or can be fixed by welding. The setting of the connecting hole 1021 can increase the connecting surface of the connecting head 102 and the driving shaft body 101, make the connecting head 102 and the driving shaft body 101 more firm.

[0028] The utility model hollow shaft speed reducer transmission connection structure, preferably, the quantity of screw rod 3 is two or more, and the top plate 4 passes through all screw rod 3. Two or more screw rod 3 can limit the top plate 4, prevent the top plate 4 from rotating, make the installation of top plate 4 more stable, reliable.

[0029] The utility model hollow shaft speed reducer transmission connection structure, preferably, the installation hole 41 is set up on the top plate 4, and the rotating disc 5 is rotatably installed in the installation hole 41 of the top plate 4 through bearing 51. The setting of the installation hole 41 can limit the installation of the rotating disc 5, make the installation of the rotating disc 5 more reliable.

[0030] The utility model hollow shaft speed reducer transmission connection structure, preferably, the installation hole 41 is the hole that one end penetrates through and the other end is closed. When the one end of the installation hole 41 away from the driving shaft free end 12 is closed, the axial stress from the driving shaft 1 can be supported, so that the rotating disc 5 can bear greater axial pressure from the driving shaft 1 when limiting the driving shaft 1.

[0031] The utility model hollow shaft speed reducer transmission connection structure, preferably, the surface of the rotating disc 5 protrudes from the surface of the top plate 4. This setting can effectively prevent the driving shaft free end 12 of the driving shaft 1 from contacting and rubbing the top plate 4.

[0032] The utility model hollow shaft speed reducer transmission connection structure, the flat hole 111 is the hole that is not cylindrical, is flat, the flat head 211 is the head that is not cylindrical, is flat, the hollow shaft speed reducer 100, the flat head 211 and the flat hole 111 all are the existing structure, and the passive equipment 200 is the equipment driven by the hollow shaft speed reducer 100, and for this, the utility model does not elaborate too much.

[0033] The utility model for the ordinary skill in the art of the utility model belongs to the technical field, on the premise of not departing from the utility model concept, still can make a number of simple deductions or substitutions, all should be regarded as belonging to the protection scope of the utility model.

Claims

1. A hollow shaft reducer drive connection structure, characterized by: The application relates to a coaxial driving shaft and passive shaft, wherein one end of the driving shaft towards the passive shaft is a driving shaft connecting end, one end of the driving shaft away from the passive shaft is a driving shaft free end, the driving shaft passes through a hollow shaft speed reducer and is connected with the hollow shaft speed reducer by a key, one end of the passive shaft towards the driving shaft is a passive shaft connecting end, one end surface of the driving shaft connecting end and the passive shaft connecting end is provided with a flat hole in the axial direction, the other end is provided with a flat head, the flat head is inserted into the flat hole and matched with the flat hole, a screw rod is fixedly installed on the hollow shaft speed reducer, the screw rod is parallel to the driving shaft, a top plate passes through and is installed on the screw rod, the top plate is located outside the end side of the driving shaft free end, a nut is further installed on the screw rod, the nut is located on the side of the top plate away from the driving shaft free end and is in contact with the top plate, a rotating disc is rotatably installed on the surface of the top plate towards the driving shaft free end, the rotating disc is opposite to the driving shaft free end, the distance between the rotating disc and the driving shaft free end is smaller than the length of the flat head inserted into the flat hole.

2. The hollow shaft reducer drive connection structure according to claim 1, characterized by: The driving shaft comprises a driving shaft body and a connecting head which are fixedly connected in the axial direction, the connecting head is towards the passive shaft, and the flat hole is arranged on the connecting head.

3. The hollow shaft reducer drive connection structure of claim 2, wherein: A connecting hole is arranged on the connecting head, and the end of the driving shaft body is inserted into the connecting hole and fixedly connected with the connecting head.

4. The hollow shaft reducer drive connection structure of claim 1, wherein: The number of the screw rods is two or more, and the top plate passes through all the screw rods.

5. The hollow shaft reducer drive connection structure of claim 1, wherein: A mounting hole is arranged on the top plate, and the rotating disc is rotatably installed in the mounting hole of the top plate through a bearing.

6. The hollow shaft reducer drive connection structure of claim 5, wherein: The mounting hole is a hole with one end through and the other end closed.

7. The hollow shaft reducer drive connection structure of claim 1, wherein: The surface of the rotating disc is protruded from the surface of the top plate.

Images