Suspension type vibration reduction transmission structure

Abstract

The utility model discloses a suspension type vibration reduction transmission structure, and mainly relates to the technical field of vibration reduction of horizontal rotating equipment. Comprising a damping mechanism arranged between a machine body and a transmission part, the transmission part is hung on the machine body, the damping mechanism comprises a tension bolt and a lifting screw connected with the top of the transmission part, the lifting screw penetrates through the machine body and then extends to the outer side, an adjusting nut is arranged, and a first damping block is arranged between the adjusting nut and the machine body. The tensioning bolt sequentially penetrates through the second damping block and the machine body and then is in threaded connection with the transmission part, the machine body is provided with a thrust plate arranged on the outer side of the transmission part in a sleeving mode, one side of the thrust plate makes contact with the transmission part, and a first gap and a second gap are formed between the front end and the rear end of the transmission part and the machine body respectively. The utility model has the beneficial effects of solving the problem of mechanical structure damage caused by frequent vibration in the process that the motor drives the transmission part to rotate, and prolonging the service life of the transmission part and equipment connected with the transmission part.

Description

Technical Field

[0001] This utility model relates to the technical field of vibration reduction for horizontally rotating equipment, specifically a suspended vibration reduction transmission structure. Background Technology

[0002] Pulping mills and similar equipment are important pieces of equipment in the pulping system of paper mills. They are used to grind fibrous raw materials such as waste paper, wood, and bamboo into pulp, providing raw materials for subsequent papermaking processes.

[0003] Currently, the transmission system is generally located on the machine body. The motor converts electrical energy into mechanical energy through electromagnetic interaction between the stator and rotor, providing power to the transmission system. This power then transmits torque to the grinding disc, causing it to rotate at high speed and grind the material. During operation, vibrations generated by the motor are transmitted to the transmission system via the rotor. Strong vibrations can cause the connections between the transmission system and the machine body to loosen, or even damage the outer casing or connecting parts of the transmission system. Utility Model Content

[0004] The purpose of this utility model is to provide a suspended vibration damping transmission structure to solve the mechanical structure damage caused by frequent vibration during the rotation of the transmission part driven by the motor, and to improve the service life of the transmission part and the connected equipment.

[0005] To achieve the above objectives, the utility model employs the following technical solution:

[0006] A suspended vibration damping transmission structure includes a damping mechanism disposed between a body and a transmission part. The transmission part is suspended on the body. The damping mechanism includes a tension bolt and a lifting screw connected to the top of the transmission part. The lifting screw passes through the body and extends to the outside, and is provided with an adjusting nut. A first damping block is provided between the adjusting nut and the body. The structure also includes a second damping block. The tension bolt passes through the second damping block and the body in sequence and is threadedly connected to the transmission part. A thrust plate is provided on the body and sleeved on the outside of the transmission part. One side of the thrust plate contacts the transmission part. A first gap and a second gap are respectively provided between the front end and the rear end of the transmission part and the body.

[0007] Furthermore, there are two tension bolts, which are symmetrically arranged on both sides of the bottom of the transmission part.

[0008] Furthermore, a first pad and a second pad are respectively provided between the first damping block and the second damping block and the transmission part.

[0009] Furthermore, it also includes inner ring bolts and outer ring bolts. The inner ring bolts pass through the thrust plate and are threadedly connected to the transmission part, while the outer ring bolts pass through the thrust plate and are threadedly connected to the machine body.

[0010] Furthermore, a fixing block is slidably connected to the body and threadedly connected to the outer ring bolt.

[0011] Furthermore, a third shock-absorbing block is provided between the fixing block and the machine body.

[0012] Furthermore, the machine body is provided with a step that slides in contact with the thrust plate, and the thrust plate and the machine body are provided with a third gap.

[0013] Furthermore, a fixing nut is threaded onto the lifting screw, and the fixing nut is in contact with the adjusting nut.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] 1. The tension bolt passes through the second damping block and the machine body in sequence and is then threadedly connected to the transmission part. At the same time, one end of the lifting screw is connected to the top of the transmission part, and the other end passes through the machine body, extends to the outside, passes through the first damping block, and is connected to the adjusting nut. This fixes one end of the transmission part to the machine body. By adjusting the torque of the upper adjusting nut and the lower tension bolt, the balance of the two forces is adjusted, so that there is a first gap between the front end of the transmission part and the machine body, allowing the transmission part to be suspended at the front of the machine body. Then, the thrust plate is sleeved on the end of the transmission part and installed on the machine body, so that one side of the thrust plate contacts the transmission part. At this time, there is a second gap between the rear end of the transmission part and the machine body, allowing the end of the transmission part to be suspended at the rear of the machine body. This avoids the vibration of the transmission part from directly acting on the machine body, causing damage to the connection structure between the machine body and the transmission part, thereby improving the service life of the transmission part and the connected equipment.

[0016] 2. Simultaneously, the vibration generated by the rotation of the transmission part is transmitted to the first and second damping blocks through the lifting screw and tension bolt. Since the first and second damping blocks are made of materials with good elasticity such as rubber and silicone, when the first and second damping blocks are impacted by external forces, they will undergo elastic deformation, absorbing and dissipating the impact energy through their own deformation, thereby reducing the transmission of impact force to the machine body. At the same time, due to the certain damping characteristics of the first and second damping blocks, the vibration energy is converted into heat energy and other forms of energy within the damping blocks and dissipated, gradually reducing the amplitude of vibration, further achieving the effect of shock absorption and buffering. In addition, the first and second damping blocks isolate the transmission part from the machine body, thereby reducing the transmission of vibration through connecting parts or supporting structures, preventing the propagation of vibration waves between the transmission part and the machine body, further reducing the impact of transmission part vibration on the machine body, and improving the service life of the transmission part and the connected equipment.

[0017] 3. In addition, when the vibration generated by the rotation of the transmission part is too large, the torque of the adjusting nut and the tightening bolt can be increased to further increase the compressive force applied to the first and second damping blocks. This increases the elastic deformation of the first and second damping blocks, which can better absorb the vibration generated during the rotation of the transmission part, thereby improving the damping effect and extending the service life of the transmission part and the connected equipment. Under the condition of sufficient damping performance, the torque of the adjusting nut and the tightening bolt can be appropriately reduced to reduce the compressive force applied to the first and second damping blocks. This prevents the compressive force applied to the first and second damping blocks from exceeding the elastic limit, which could lead to material fatigue, deformation, and damage. This improves the damping effect of the first and second damping blocks and extends their service life. Attached Figure Description

[0018] Appendix Figure 1 This is a schematic diagram of the structure of the body of this utility model.

[0019] Appendix Figure 2 This is an appendix to the utility model Figure 1 A cross-sectional view along the AA direction.

[0020] Appendix Figure 3 This is an appendix to the utility model Figure 2 A magnified view of part B in the middle.

[0021] Appendix Figure 4 This is an appendix to the utility model Figure 2 A magnified view of part C in the middle.

[0022] Appendix Figure 5 This is an appendix to the utility model Figure 2 A magnified view of part D in the middle.

[0023] The labels shown in the attached diagram:

[0024] 1. Machine body; 2. Transmission part; 3. Tensioning bolt; 4. Lifting screw; 5. Adjusting nut; 6. First damping block; 7. Second damping block; 8. Thrust plate; 9. First gap; 10. Second gap; 11. First pad; 12. Second pad; 13. Inner ring bolt; 14. Outer ring bolt; 15. Fixing block; 16. Third damping block; 17. Step; 18. Third gap; 19. Fixing nut. Detailed Implementation

[0025] The present invention will be further illustrated below with reference to specific embodiments. It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that after reading the teachings of this invention, those skilled in the art can make various alterations or modifications to the present invention, and these equivalent forms also fall within the scope defined in this application.

[0026] This utility model provides a suspended vibration damping transmission structure, such as Figures 1-5 As shown, a shock-absorbing mechanism is provided between the body 1 and the transmission part 2. The transmission part 2 is suspended on the body 1. The shock-absorbing mechanism includes a tension bolt 3 and a lifting screw 4 connected to the top of the transmission part 2. The lifting screw 4 passes through the body 1 and extends to the outside, and is provided with an adjusting nut 5. A thrust plate 8 is provided on the body 1 and sleeved on the outside of the transmission part 2. One side of the thrust plate 8 contacts the transmission part 2. A first gap 9 and a second gap 10 are respectively provided between the front end and the rear end of the transmission part 2 and the body 1. The tension bolt 3 passes through the second shock absorber 7 and the body 1 in sequence and is threadedly connected to the transmission part 2. At the same time, one end of the lifting screw 4 is connected to the top of the transmission part 2, and the other end passes through the body 1 and extends to the outside, passes through the first shock absorber 6 and is connected to the adjusting nut 5, thereby... One end of the transmission part 2 is fixed to the machine body 1. At the same time, the torque of the upper adjusting nut 5 and the lower tensioning bolt 3 is adjusted to balance the two forces, so that there is a first gap 9 between the front end of the transmission part 2 and the machine body 1, so that the transmission part 2 is suspended at the front of the machine body 1. Then, the thrust plate 8 is sleeved on the end of the transmission part 2 and installed on the machine body 1, so that one side of the thrust plate 8 is in contact with the transmission part 2. The thrust plate 8 bears the axial load from the front end of the rotor. At this time, there is a second gap 10 between the rear end of the transmission part 2 and the rear of the machine body 1, so that the end of the transmission part 2 is suspended on the rear of the machine body 1, thereby avoiding the vibration of the transmission part 2 from directly acting on the machine body 1 and causing damage to the mechanical structure of the machine body 1, thereby improving the service life of the transmission part 2 and the connected equipment.

[0027] A first damping block 6 and a second damping block 7 are provided between the adjusting nut 5 and the body 1. The tensioning bolt 3 passes through the second damping block 7 and the body 1 in sequence and is threadedly connected to the transmission part 2. The vibration generated during the rotation of the transmission part 2 is transmitted to the first damping block 6 and the second damping block 7 through the lifting screw 4 and the tensioning bolt 3. Since the first damping block 6 and the second damping block 7 are made of materials with good elasticity such as rubber and silicone, when the first damping block 6 and the second damping block 7 are impacted by external force, the first damping block 6 and the second damping block 7 will undergo elastic deformation, absorbing and dissipating the impact energy through their own deformation, thereby reducing the transmission of impact force to the body 1. At the same time, since the first damping block 6 and the second damping block 7 have certain damping characteristics, the vibration energy is converted into heat energy and other forms of energy inside the damping block and dissipated, so that the amplitude of vibration gradually decreases, further playing a role in damping and buffering. In addition, the first damping block 6 and the second damping block 7 isolate the transmission part 2 from the body 1, thereby reducing the vibration transmitted through the connecting parts or supporting structure. The transmission mechanism prevents the propagation of vibration waves between the transmission part 2 and the machine body 1, further reducing the impact of vibration on the machine body 1 and improving the service life of the transmission part 2 and the connected equipment. Additionally, when the vibration generated during the rotation of the transmission part 2 is excessive, the torque of the adjusting nut 5 and the tightening bolt 3 is increased to further increase the compressive force applied to the first damping block 6 and the second damping block 7. This increases the elastic deformation of the first damping block 6 and the second damping block 7, allowing them to better absorb the vibration generated during the rotation of the transmission part 2, thereby improving the damping effect and extending the service life of the transmission part 2 and the connected equipment. While ensuring sufficient damping performance, the torque of the adjusting nut 5 and the tightening bolt 3 can be appropriately reduced to decrease the compressive force applied to the first damping block 6 and the second damping block 7. This prevents the compressive force applied to the first damping block 6 and the second damping block 7 from exceeding the elastic limit, which could lead to material fatigue, deformation, and damage. This further improves the damping effect of the first damping block 6 and the second damping block 7 and extends their service life.

[0028] Preferred, such as Figure 1 As shown, there are two tension bolts 3, which are symmetrically arranged on both sides of the bottom of the transmission part 2. The two tension bolts 3 and the lifting screw 4 form a stable triangle, which further improves the stability of the transmission part 2 on the machine body 1, reduces the damage to the mechanical structure caused by frequent vibrations during the rotation of the transmission part 2 driven by the motor, and improves the service life of the transmission part 2 and the equipment connected to it.

[0029] Preferred, such as Figures 2-4As shown, a first pad 11 and a second pad 12 are respectively provided between the first damping block 6 and the second damping block 7 and the transmission part 2. This avoids damage to the first damping block 6 and the second damping block 7 due to excessive local pressure. The addition of the first pad 11 and the second pad 12 can transmit the pressure on the first damping block 6 and the second damping block 7 to the machine body 1 more evenly, preventing the first damping block 6 and the second damping block 7 from being damaged due to excessive local pressure. It also prevents the machine body 1 from deforming or wearing due to uneven local stress. At the same time, the first pad 11 and the second pad 12 can increase the contact area between the first damping block 6 and the second damping block 7 and the machine body 1, making the damping blocks more stable during operation and less prone to displacement or shaking. This ensures the reliability of the damping effect and improves the service life of the transmission part 2 and the equipment connected to it.

[0030] Preferred, such as Figure 2 and Figure 5 As shown, it also includes an inner ring bolt 13 and an outer ring bolt 14. The inner ring bolt 13 passes through the thrust plate 8 and is threadedly connected to the transmission part 2. The outer ring bolt 14 passes through the thrust plate 8 and is threadedly connected to the machine body 1, thereby suspending the rear end of the transmission part 2 on the machine body 1.

[0031] Preferred, such as Figure 2 and Figure 5 As shown, a fixing block 15 is slidably connected to the body 1 and threadedly connected to the outer ring bolt 14. When the threads of the outer ring bolt 14 are damaged, only the fixing block 15 needs to be replaced, without replacing the entire body 1, thereby improving the service life of the body 1.

[0032] Preferred, such as Figure 2 and Figure 5 As shown, a third damping block 16 is provided between the fixed block 15 and the machine body 1. The force generated by the vibration of the transmission part 2 is transmitted to the third damping block 16 through the inner ring bolt 13, the thrust plate 8 and the outer ring bolt 14. The elastic deformation of the third damping block 16 absorbs the force generated by the vibration at the end of the transmission part 2, thereby improving the service life of the transmission part 2 and the equipment connected to it.

[0033] Preferred, such as Figure 2 and Figure 5 As shown, the machine body 1 is provided with a step 17 that slides in contact with the thrust plate 8. The thrust plate 8 and the machine body 1 are provided with a third gap 18. Through the third gap 18 between the thrust plate 8 and the machine body 1, the end of the transmission part 2 is suspended on the machine body 1. At the same time, during the rotation of the transmission part 2, the thrust plate 8 contacts the step 17 on the machine body 1, which avoids violent shaking of the end of the transmission part 2 during rotation, aggravates the generation of vibration, and thus improves the service life of the transmission part 2 and the equipment connected to it.

[0034] Preferred, such as Figure 2 and Figure 3 As shown, a fixing nut 19 is threaded onto the lifting screw 4. The fixing nut 19 is in contact with the adjusting nut 5. The resistance generated by the contact between the fixing nut 19 and the adjusting nut 5 will restrict the movement of the adjusting nut 5 on the lifting screw 4, thereby further locking the transmission part 2. This prevents the adjusting nut 5 from loosening after long-term use, which would affect the shock absorption effect during the rotation of the transmission part 2 and improve the service life of the transmission part 2 and the equipment connected to it.

[0035] Example 1

[0036] This utility model provides a suspended vibration damping transmission structure, such as Figures 1-5 As shown, the tension bolt 3 passes through the second damping block 7 and the machine body 1 in sequence and is then threadedly connected to the transmission part 2. At the same time, one end of the lifting screw 4 is connected to the top of the transmission part 2, and the other end passes through the machine body 1 and extends to the outside, passes through the first damping block 6 and is connected to the adjusting nut 5, thereby fixing one end of the transmission part 2 to the machine body 1. At the same time, by adjusting the torque of the upper adjusting nut 5 and the lower tension bolt 3, the balance of the two forces is adjusted, so that there is a first gap 9 between the front end of the transmission part 2 and the machine body 1, so that the transmission part 2 is suspended in front of the machine body 1. Then, the thrust plate 8 is sleeved on the end of the transmission part 2 and installed on the machine body 1, so that one side of the thrust plate 8 is in contact with the transmission part 2. At this time, there is a second gap 10 between the rear end of the transmission part 2 and the rear of the machine body 1, so that the end of the transmission part 2 is suspended in the rear of the machine body 1, thereby avoiding the vibration of the transmission part 2 from directly acting on the machine body 1 and causing damage to the mechanical structure of the machine body 1, thereby improving the service life of the transmission part 2 and the equipment connected to it.

[0037] Meanwhile, the vibration generated during the rotation of the transmission part 2 is transmitted to the first damping block 6 and the second damping block 7 through the lifting screw 4 and the tensioning bolt 3. Since the first damping block 6 and the second damping block 7 are made of materials with good elasticity such as rubber and silicone, when the first damping block 6 and the second damping block 7 are impacted by external force, they will undergo elastic deformation, absorbing and dissipating the impact energy through their own deformation, thereby reducing the transmission of impact force to the machine body 1. At the same time, since the first damping block 6 and the second damping block 7 have certain damping characteristics, the vibration energy is converted into heat energy and other forms of energy inside the damping block and dissipated, so that the amplitude of vibration gradually decreases, further playing the role of shock absorption and buffering. In addition, the first damping block 6 and the second damping block 7 isolate the transmission part 2 from the machine body 1, thereby reducing the transmission of vibration through connecting parts or supporting structures, preventing the propagation of vibration waves between the transmission part 2 and the machine body 1, further reducing the impact of the vibration of the transmission part 2 on the machine body 1, and improving the service life of the transmission part 2 and the equipment connected to it.

[0038] In addition, when the vibration generated during the rotation of the transmission part 2 is too large, the torque of the adjusting nut 5 and the tightening bolt 3 is increased to further increase the compressive force applied to the first damping block 6 and the second damping block 7. This increases the elastic deformation of the first damping block 6 and the second damping block 7, which can better absorb the vibration generated during the rotation of the transmission part 2, thereby improving the damping effect and extending the service life of the transmission part 2 and the connected equipment. Under the condition of sufficient damping performance, the torque of the adjusting nut 5 and the tightening bolt 3 can be appropriately reduced to reduce the compressive force applied to the first damping block 6 and the second damping block 7. This avoids the compressive force applied to the first damping block 6 and the second damping block 7 from exceeding the elastic limit, which could lead to material fatigue, deformation, and damage. This improves the damping effect of the first damping block 6 and the second damping block 7 and extends their service life.

[0039] Example 2

[0040] Based on Example 1, such as Figures 1-4 As shown, there are two tension bolts 3, which are symmetrically arranged on both sides of the bottom of the transmission part 2. The two tension bolts 3 and the lifting screw 4 form a stable triangle, which further improves the stability of the transmission part 2 on the machine body 1, reduces the damage to the mechanical structure caused by frequent vibration during the rotation of the transmission part 2, and improves the service life of the transmission part 2 and the equipment connected to it.

[0041] Meanwhile, a first pad 11 and a second pad 12 are respectively provided between the first damping block 6 and the second damping block 7 and the transmission part 2. This avoids damage to the first damping block 6 and the second damping block 7 due to excessive local pressure. The addition of the first pad 11 and the second pad 12 can transmit the pressure on the first damping block 6 and the second damping block 7 to the machine body 1 more evenly, preventing the first damping block 6 and the second damping block 7 from being damaged due to excessive local pressure. It also prevents the machine body 1 from deforming and wearing due to uneven local stress. At the same time, the first pad 11 and the second pad 12 can increase the contact area between the first damping block 6 and the second damping block 7 and the machine body 1, making the damping block more stable during operation and less prone to displacement or shaking. This ensures the reliability of the damping effect and improves the service life of the transmission part 2 and the equipment connected to it.

[0042] In addition, a fixing nut 19 is threaded onto the lifting screw 4. By rotating the fixing nut 19, it moves on the lifting screw 4 until it contacts the adjusting nut 5. The resulting resistance will restrict the movement of the adjusting nut 5 on the lifting screw 4, thereby further locking the transmission part 2. This prevents the adjusting nut from loosening after long-term use, which would affect the shock absorption effect during the rotation of the transmission part 2 and improve the service life of the transmission part 2 and the equipment connected to it.

[0043] Example 3

[0044] Based on Example 1, such as Figure 2 and Figure 5 As shown, the inner ring bolt 13 passes through the thrust plate 8 and is threadedly connected to the transmission part 2, and the outer ring bolt 14 passes through the thrust plate 8 and is threadedly connected to the fixing block 15 provided on the machine body 1, thereby suspending the rear end of the transmission part 2 on the machine body 1; at the same time, when the threads of the outer ring bolt 14 are damaged, only the fixing block 15 needs to be replaced, without replacing the entire machine body 1, thereby improving the service life of the machine body 1.

[0045] In addition, a third damping block 16 is provided between the fixed block 15 and the body 1. The force generated by the vibration of the transmission part 2 is transmitted to the third damping block 16 through the inner ring bolt 13, the thrust plate 8 and the outer ring bolt 14. The elastic deformation of the third damping block 16 absorbs the force generated by the vibration at the end of the transmission part 2, thereby improving the service life of the transmission part 2 and the equipment connected to it.

[0046] Furthermore, the end of the transmission part 2 is suspended on the machine body 1 through the third gap 18 between the thrust plate 8 and the machine body 1. At the same time, during the rotation of the transmission part 2, it contacts the step 17 on the machine body 1 through the thrust plate 8, which avoids violent shaking of the end of the transmission part 2 during rotation and aggravates the generation of vibration, thereby improving the service life of the transmission part 2 and the equipment connected to it.

Claims

1. A suspended vibration damping transmission structure, comprising a vibration damping mechanism disposed between a body (1) and a transmission part (2), wherein the transmission part (2) is suspended on the body (1), characterized in that: The shock absorption mechanism includes a tension bolt (3) and a lifting screw (4) connected to the top of the transmission part (2). The lifting screw (4) extends to the outside after passing through the body (1) and is provided with an adjusting nut (5). A first shock absorber (6) is provided between the adjusting nut (5) and the body (1), and a second shock absorber (7) is also provided. The tension bolt (3) passes through the second shock absorber (7) and the body (1) in sequence and is threadedly connected to the transmission part (2). A thrust plate (8) is provided on the body (1) and sleeved on the outside of the transmission part (2). One side of the thrust plate (8) is in contact with the transmission part (2). A first gap (9) and a second gap (10) are respectively provided between the front end and the rear end of the transmission part (2) and the body (1).

2. The suspended vibration damping transmission structure according to claim 1, characterized in that: There are two tension bolts (3), which are symmetrically arranged on both sides of the bottom of the transmission part (2).

3. The suspended vibration damping transmission structure according to claim 1, characterized in that: A first pad (11) and a second pad (12) are respectively provided between the first damping block (6) and the second damping block (7) and the transmission part (2).

4. The suspended vibration damping transmission structure according to claim 1, characterized in that: It also includes an inner ring bolt (13) and an outer ring bolt (14). The inner ring bolt (13) passes through the thrust plate (8) and is threaded to the transmission part (2). The outer ring bolt (14) passes through the thrust plate (8) and is threaded to the machine body (1).

5. A suspended vibration damping transmission structure according to claim 4, characterized in that: The body (1) is slidably connected to a fixing block (15) that is threadedly connected to the outer ring bolt (14).

6. The suspended vibration damping transmission structure according to claim 5, characterized in that: A third shock absorber (16) is provided between the fixing block (15) and the body (1).

7. The suspended vibration damping transmission structure according to claim 1, characterized in that: The body (1) is provided with a step (17) that slides in contact with the thrust plate (8), and the thrust plate (8) and the body (1) are provided with a third gap (18).

8. The suspended vibration damping transmission structure according to claim 1, characterized in that: A fixing nut (19) is threaded onto the lifting screw (4), and the fixing nut (19) is in contact with the adjusting nut (5).

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