A friction wheel transmission device for use in an explosion-proof location
By designing an adjustable friction wheel transmission device, the problem of fixed and non-adjustable height in traditional transmission devices is solved, improving the versatility and safety of the device, reducing manufacturing costs and the risks of sparks and static electricity, and meeting diverse production needs.
Patent Information
- Application Number
- CN202423199349.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-24
AI Technical Summary
Traditional transmission devices are fixed and unadjustable in explosion-proof environments, which increases costs for customized production, reduces versatility and flexibility, fails to meet changing production needs, and poses risks of sparks and static electricity accumulation.
A friction wheel transmission device was designed, which adopts an adjustable support structure and a conductive silicone shield, combined with a tin bronze sprocket and a steel chain. The height can be adjusted by motor drive, reducing the risk of sparks, and the conductive material prevents the accumulation of static electricity.
The highly adjustable transmission device improves versatility and flexibility, reduces manufacturing costs, minimizes the risk of sparks and static electricity, and ensures the safety and stability of the production process.
Smart Images

Figure CN223606306U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to transmission device technical field, concretely is a kind of friction wheel transmission device for explosion-proof place. BACKGROUND
[0002] In the field of industrial production, the safety of explosion-proof workshop is crucial. In such an environment, any risk that could lead to an explosion or fire must be strictly controlled. However, traditional transmission devices often have certain safety hazards when used in explosion-proof workshops. Especially in the process of handling flammable and explosive substances, mechanical friction and electrical sparks can become potential sources of risk.
[0003] Traditional transmission devices generally have the problem of fixed height and non-adjustability, which brings many inconveniences in actual application. In the production process, the specific needs of different sites are often different, and the traditional transmission device cannot adapt to the requirements of different heights, so it must be customized according to the height of each use site. This customized production not only increases the manufacturing cost and prolongs the production cycle, but also greatly reduces the universality and flexibility of the device, which cannot meet the changing production needs.
[0004] Therefore, it is necessary to provide a friction wheel transmission device for explosion-proof place with height adjustment to solve the above technical problems. SUMMARY
[0005] The utility model aims at providing a friction wheel transmission device for explosion-proof place to solve the problems raised in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A friction wheel transmission device for explosion-proof place, comprising:
[0008] A support plate is provided with a transmission mechanism on the top, and a base plate is provided below the bottom of the support plate. A plurality of support legs are fixedly installed at the bottom of the base plate. An inner threaded sleeve is provided at the bottom end of the support leg. A shock pad is provided at the bottom end of the inner threaded sleeve. Two mounting plates are fixedly installed on both sides of the top of the base plate. A threaded rod is rotatably installed between the two mounting plates.
[0009] Left-handed threads and right-handed threads are symmetrically distributed on the outer wall of the threaded rod. Symmetrically distributed adjusting blocks are sleeved on the outer wall of the threaded rod. A limiting mechanism is provided on the top of the base plate. A second motor is fixedly installed on one side of one of the mounting plates. The driving end of the second motor penetrates one of the mounting plates and extends between the two mounting plates to be fixedly connected with one end of the threaded rod.
[0010] The bottom of the support plate is hingedly connected with symmetrically distributed connecting plates, and the end of the connecting plate away from the support plate is hingedly connected with the top of the adjusting block in the corresponding position.
[0011] Preferably, the bottom end of the support leg is fixedly provided with a threaded column, and an internally threaded sleeve is sleeved on the outer wall of the threaded column, and the damping pad is rotatably installed at the bottom end of the internally threaded sleeve.
[0012] Preferably, the transmission mechanism comprises a plurality of fixing blocks, and the fixing blocks are equidistantly and uniformly fixedly installed on the side of the top of the support plate, the support plate is fixedly provided with symmetrically distributed mounting racks through the fixing blocks, a plurality of equidistantly and uniformly distributed transmission rollers are rotatably installed between the two mounting racks, the first transmission mechanism is arranged between the front ends of the adjacent transmission rollers, a first motor is fixedly installed on one side of the fixing block, and the second transmission mechanism is arranged between the driving end of the first motor and the front end of the most side transmission roller.
[0013] Preferably, the first transmission mechanism and the second transmission mechanism are both composed of two sprockets and a chain, the two sprockets are connected through the chain, the material of the sprocket is tin bronze, and the material of the chain is steel.
[0014] Preferably, a plurality of limiting telescopic rods are fixedly installed on the two sides of the top of the base plate, and the telescopic end of the limiting telescopic rod is fixedly connected with the bottom of the support plate.
[0015] Preferably, a soft baffle is fixedly connected between the side of the bottom of the support plate and the side of the top of the base plate.
[0016] Preferably, the limiting mechanism comprises two limiting grooves, the limiting grooves are symmetrically arranged on the top of the base plate, the bottom of the adjusting block is fixedly provided with a limiting block, and the limiting block is slidably connected with the limiting groove in the corresponding position.
[0017] Preferably, a threaded hole matched with the threaded rod is arranged on the adjusting block, and the adjusting block is threadedly connected with the threaded rod through the threaded hole.
[0018] Compared with the prior art, the present application has the following advantages:
[0019] 1. The utility model discloses a support plate, fixed block, mounting bracket, conveying roller, first transmission mechanism, second transmission mechanism, first motor, base plate, mounting plate, second motor, limiting telescopic link, threaded rod, limiting groove, limiting block, adjusting block and the cooperation of connecting plate, the device in the use process, through the drive of second motor, realize the height adjustment effect of the conveying mechanism on the device, make the device in the production process, do not need to be each use site and customize production of specific height, improve the versatility and flexibility of device, and reduce the manufacturing cost, can satisfy the production demand of change, simultaneously, the support plate is installed with conveying mechanism, including first transmission mechanism and second transmission mechanism. The core components of these mechanisms, such as chain wheel, adopt tin bronze material, and the chain is standard steel chain. The heat generated by the friction between tin bronze and steel is low, and it is not easy to produce sparks. In addition, sufficient lubricating grease lubrication greatly reduces the risk of fire or explosion in flammable and explosive environments.
[0020] 2. The utility model discloses the cooperation of support leg, internal thread sleeve, shock pad and threaded column, manually twists internal thread sleeve. Internal thread sleeve and threaded column are driven through accurate thread, so that internal thread sleeve can be adjusted in vertical direction. With the movement of internal thread sleeve, the shock pad connected below it will also move. The shock pad not only plays a buffering role, but also can adjust its vertical position to ensure that the device can be placed horizontally and stably on any uneven ground. This design not only improves the adaptability of the device, but also enhances its stability and reliability in different working environments.
[0021] 3. The utility model discloses the setting of soft baffle, which can effectively shield various mechanical components between the support plate and the base plate. The baffle adopts conductive silica gel material, which not only has excellent flexibility and high temperature resistance, but also realizes anti-static function by adding metal powder or carbon fiber conductive filler. This design not only beautifies the overall appearance of the device, but also ensures that mechanical components are not exposed during operation, reducing the risk of accidental touching and improving the safety of operation. In addition, the use of conductive silica gel also has the function of preventing static electricity, which can effectively prevent the accumulation of static electricity, which is particularly important for use in flammable and explosive environments. By avoiding the generation and accumulation of static electricity, the device can further reduce the risk of fire and explosion, thereby ensuring the safety of the entire production process. DRAWINGS
[0022] Figure 1 The utility model discloses a structure schematic drawing;
[0023] Figure 2 The utility model discloses a partial structure schematic drawing;
[0024] Figure 3This is a frontal sectional view of the present invention.
[0025] Figure 4 This is a schematic diagram of the connection structure between the connecting plate and the adjusting block in this utility model;
[0026] Figure 5 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle.
[0027] In the diagram: 1. Support plate; 2. Fixing block; 3. Mounting frame; 4. Transmission roller; 5. First transmission mechanism; 6. Second transmission mechanism; 7. First motor; 8. Base plate; 9. Soft cover; 10. Support leg; 11. Internal threaded sleeve; 12. Shock-absorbing pad; 13. Mounting plate; 14. Second motor; 15. Limiting telescopic rod; 16. Threaded rod; 17. Limiting groove; 18. Limiting block; 19. Adjusting block; 20. Connecting plate; 21. Threaded column. Detailed Implementation
[0028] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.
[0029] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0030] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0032] Please see Figures 1-5 One embodiment provided by this utility model:
[0033] A friction wheel transmission device for use in explosion-proof environments, comprising:
[0034] Support plate 1, a transmission mechanism is provided on the top of support plate 1, a base plate 8 is provided below the bottom of support plate 1, several support legs 10 are fixedly installed on the bottom of base plate 8, an internal threaded sleeve 11 is provided at the bottom end of support leg 10, a shock-absorbing pad 12 is provided at the bottom end of internal threaded sleeve 11, and mounting plates 13 are fixedly installed on both sides of the top of base plate 8, and a threaded rod 16 is rotatably installed between the two mounting plates 13.
[0035] The outer wall of the threaded rod 16 is provided with symmetrically distributed left-hand threads and right-hand threads. The outer wall of the threaded rod 16 is fitted with symmetrically distributed adjusting blocks 19. The top of the base plate 8 is provided with a limiting mechanism. A second motor 14 is fixedly installed on one side of a mounting plate 13, and the driving end of the second motor 14 passes through a mounting plate 13 and extends to the space between the two mounting plates 13 and is fixedly connected to one end of the threaded rod 16.
[0036] The bottom of the support plate 1 is hinged with symmetrically distributed connecting plates 20, and the end of the connecting plate 20 away from the support plate 1 is hinged to the top of the corresponding position adjustment block 19.
[0037] A threaded post 21 is fixedly installed at the bottom end of the support leg 10, and an inner threaded sleeve 11 is threaded onto the outer wall of the threaded post 21. The shock-absorbing pad 12 is rotatably installed at the bottom end of the inner threaded sleeve 11.
[0038] In one embodiment, the transmission mechanism includes several fixed blocks 2, which are equidistantly and uniformly fixedly installed on the top side of the support plate 1. The support plate 1 is fixedly installed with symmetrically distributed mounting frames 3 via the fixed blocks 2. Several equidistantly and uniformly distributed transmission rollers 4 are rotatably installed between two mounting frames 3. A first transmission mechanism 5 is provided between the front ends of adjacent transmission rollers 4. A first motor 7 is fixedly installed on one side of a fixed block 2. A second transmission mechanism 6 is provided between the drive end of the first motor 7 and the front end of the outermost transmission roller 4.
[0039] In one preferred embodiment, the first transmission mechanism 5 and the second transmission mechanism 6 are both composed of two chain wheels and a chain, and the two chain wheels are connected through the chain meshing transmission. The material of the chain wheels is tin bronze, and the material of the chain is steel. The friction between tin bronze and steel generates low heat, and it is not easy to produce sparks. In addition, sufficient lubricating grease is lubricated, which greatly reduces the risk of fire or explosion in the flammable and explosive environment.
[0040] In one embodiment, a plurality of limiting telescopic rods 15 are fixedly installed on the top of the base plate 8, and the telescopic ends of the limiting telescopic rods 15 are fixedly connected with the bottom of the supporting plate 1, so as to ensure the stability of the supporting plate 1 during vertical movement.
[0041] In one preferred embodiment, the soft cover 9 is fixedly connected between the bottom side of the supporting plate 1 and the top side of the base plate 8, which can effectively shield various mechanical components between the supporting plate 1 and the base plate 8. In addition, the soft cover 9 is made of conductive silica gel material, which not only has excellent flexibility and high temperature resistance, but also realizes the anti-static function by adding metal powder or carbon fiber conductive fillers.
[0042] In one embodiment, the limiting mechanism includes two limiting grooves 17, which are symmetrically arranged on the top of the base plate 8. The bottom of the adjusting block 19 is fixedly installed with a limiting block 18, and the limiting block 18 is slidably connected with the limiting groove 17 at the corresponding position, so as to ensure the stability of the limiting block 18 during movement and prevent unnecessary rotation or deviation of the limiting block 18 on the threaded rod 16.
[0043] In one preferred embodiment, a threaded hole is formed in the adjusting block 19 and is adapted to the threaded rod 16, and the adjusting block 19 is threadedly connected with the threaded rod 16 through the threaded hole formed therein.
[0044] The working principle of the utility model is: the whole device is controlled by the total control button, since the control button matched equipment is common equipment, belongs to the existing common sense technology, the electrical connection relationship and the specific circuit structure are not repeated, the part not involved in the device is same as the prior art or can be realized by using the prior art, when using, the device is placed on the designated position of the workshop, according to the height used, the second motor 14 can be controlled to start working, the driving end of the second motor 14 drives the threaded rod 16 to rotate, through the threaded transmission of the left-hand thread and the right-hand thread on the threaded rod 16, and the sliding relationship of the adjusting block 19 through the limiting block 18 and the limiting groove 17, two adjusting blocks 19 stably move or oppositely move, when two adjusting blocks 19 oppositely move, the included angle between two connecting plates 20 decreases, and the supporting plate 1 is lifted, contrarily, the supporting plate 1 is lowered, in the process of vertical movement of the supporting plate 1, the telescopic end of the limiting telescopic rod 15 can automatically extend and retract, ensuring the stability of the supporting plate 1 in the process of vertical movement and static use, the movement of the supporting plate 1 drives the transmission mechanism on the top to move, the operation of the transmission mechanism can drive the transmission roller 4 on the most side of the mounting frame 3 to rotate through the rotation of the driving end of the first motor 7 through the transmission effect of the second transmission mechanism 6, and the transmission connection between adjacent transmission rollers 4 is realized through the first transmission mechanism 5, so that all transmission rollers 4 rotate, and the conveying effect is realized. Therefore, in the process of using the device, the height adjustment effect of the transmission mechanism on the device is realized through the driving of the second motor 14, so that the device does not need to be customized and produced in a specific height according to each use site in the production process, the universality and flexibility of the device are improved, the manufacturing cost is reduced, the variable production demand can be met, meanwhile, the transmission mechanism is installed on the supporting plate 1, including the first transmission mechanism 5 and the second transmission mechanism 6. The core components of these mechanisms, such as the chain wheel, adopt tin bronze material, and the chain is a standard steel chain. The heat generated by the friction between tin bronze and steel is low, and it is not easy to produce sparks, and in addition to the lubrication of sufficient lubricating grease, the risk of fire or explosion in the flammable and explosive environment is greatly reduced.
[0045] The device is supported by the plurality of sturdy support legs 10 during use, ensuring stable operation within the workshop. However, in actual operation, the workshop floor is often not completely flat, which can cause the device to be unstable when placed. To solve this problem, after placing the device, if the floor is found to be uneven, the operator can manually turn the inner threaded sleeve 11 according to the specific location of the uneven floor. The inner threaded sleeve 11 and the threaded column 21 are connected by precise threaded transmission, allowing the inner threaded sleeve 11 to adjust the height in the vertical direction. As the inner threaded sleeve 11 moves, the shock pad 12 connected below it also moves. The shock pad 12 not only serves as a buffer, but also adjusts its vertical position to ensure that the device can be placed horizontally and stably on any uneven floor. This design not only improves the adaptability of the device, but also enhances its stability and reliability in different working environments.
[0046] The basic principles, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A friction wheel transmission device for use in an explosion-protected location, characterized in that It includes: Supporting plate (1), the top of the supporting plate (1) is provided with a transmission mechanism, the bottom of the supporting plate (1) is provided with a base plate (8) below, the bottom of the base plate (8) is fixedly installed with a plurality of supporting legs (10), the bottom end of the supporting leg (10) is provided with an internal threaded sleeve (11), the bottom end of the internal threaded sleeve (11) is provided with a shock pad (12), the top of the base plate (8) is fixedly installed with a mounting plate (13) on both sides, and a threaded rod (16) is rotatably installed between the two mounting plates (13); The outer wall of the threaded rod (16) is provided with left-handed threads and right-handed threads which are symmetrically distributed, the outer wall of the threaded rod (16) is provided with symmetrically distributed adjusting blocks (19), the top of the base plate (8) is provided with a limiting mechanism, one side of the mounting plate (13) is fixedly installed with a second motor (14), and the driving end of the second motor (14) penetrates one mounting plate (13) and extends to between the two mounting plates (13) and is fixedly connected with one end of the threaded rod (16); The bottom of the supporting plate (1) is hingedly connected with symmetrically distributed connecting plates (20), and one end of the connecting plate (20) away from the supporting plate (1) is hingedly connected with the top of the adjusting block (19) at the corresponding position.
2. A friction wheel transmission device for use in an explosion-protected area according to claim 1, characterized in that The bottom end of the supporting leg (10) is fixedly installed with a threaded column (21), and the internal threaded sleeve (11) is threadedly sleeved on the outer wall of the threaded column (21), and the shock pad (12) is rotatably installed at the bottom end of the internal threaded sleeve (11).
3. A friction wheel conveyor for use in an explosion proof location according to claim 1, characterized in that: The transmission mechanism comprises a plurality of fixed blocks (2), and the plurality of fixed blocks (2) are equidistantly and uniformly fixedly installed on the side of the top of the supporting plate (1), the supporting plate (1) is fixedly installed with symmetrically distributed mounting racks (3) through the fixed blocks (2), a plurality of equidistantly and uniformly distributed transmission rollers (4) are rotatably installed between the two mounting racks (3), first transmission mechanisms (5) are arranged between the front ends of adjacent transmission rollers (4), a first motor (7) is fixedly installed on one side of the fixed block (2), and a second transmission mechanism (6) is arranged between the driving end of the first motor (7) and the front end of the most side transmission roller (4).
4. A friction wheel transmission device for use in an explosion-protected area according to claim 3, characterized in that The first transmission mechanism (5) and the second transmission mechanism (6) are both composed of two sprockets and a chain, and the two sprockets are connected through the chain meshing transmission, the material of the sprocket is tin bronze, and the material of the chain is steel.
5. A friction wheel conveyor for use in an explosion proof location according to claim 1, characterized in that: A plurality of limiting telescopic rods (15) are fixedly installed on both sides of the top of the base plate (8), and the telescopic end of the limiting telescopic rod (15) is fixedly connected with the bottom of the supporting plate (1).
6. A friction wheel conveyor for use in an explosion proof location according to claim 1, characterized in that: The side of the bottom of the supporting plate (1) and the side of the top of the base plate (8) are fixedly connected with a soft baffle (9).
7. A friction wheel conveyor for use in an explosion proof location according to claim 1, characterized in that: The limiting mechanism comprises two limiting grooves (17), the two limiting grooves (17) are symmetrically distributed and opened on the top of the base plate (8), the bottom of the adjusting block (19) is fixedly installed with a limiting block (18), and the limiting block (18) is slidably connected with the limiting groove (17) at the corresponding position.
8. A friction wheel conveyor for use in an explosion proof location according to claim 1, characterized in that: The adjusting block (19) is provided with a threaded hole matched with the threaded rod (16), and the adjusting block (19) is threadedly connected with the threaded rod (16) through the threaded hole.