Dedusting filter bag convenient to disassemble and assemble

Abstract

The utility model discloses a dust removal filter bag convenient to disassemble and assemble, which relates to the technical field of bag-type dust removers and comprises a base plate, a fixing mechanism is fixedly mounted on one side of the top of the base plate, a mounting groove is formed in the middle of the base plate, a mounting ring is inserted into the mounting groove, a filling net cylinder is fixedly mounted at the bottom of the mounting ring, and the filling net cylinder is fixedly mounted on the top of the base plate. The outer surface of the filling net cylinder is sleeved with a cloth bag body, and the top of the cloth bag body is fixedly connected with a limiting edge. By adopting the structure and arranging the cleaning mechanism, the device can utilize the filling net cylinder to support the cloth bag body and improve the filtering efficiency, a second motor is started to drive a transmission gear and a gear ring to rotate in a meshed manner to drive a cleaning frame to rotate, and a brushing and rubbing plate on the cleaning frame is attached to the cloth bag body under the action of a limiting spring and scrapes dust during rotation; meanwhile, the stability of the brushing and rubbing plate and the spring is ensured by the limiting frame, and the overall stability of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bag dust collectors, and particularly relates to a dust removal filter bag which is easy to disassemble and assemble. Background Art

[0002] Dust filter bag is a kind of high-efficiency dust filter material, usually made of polyester staple fiber, pps fiber, pp polypropylene, aramid fiber, nylon fiber, etc. It has the characteristics of good air permeability, high dust collection rate, easy to clean, and dust removal efficiency can reach 98.99% or even higher. It has a good ability to remove fine particles such as PM2.5, can filter and capture particles and dust in the air, and play a role in purifying the air, protecting the environment and human health.

[0003] The Chinese patent with publication number "CN220530989U" discloses a dust filter bag that is easy to disassemble and assemble, which includes a filter bag plate; a supporting ring arranged in the filter bag plate; a dust filter bag fixedly connected to the supporting ring; and a disassembly and assembly component arranged on the filter bag plate and the supporting ring. The disassembly and assembly component includes a mounting portion and a supporting portion. The mounting portion is located at the top of the filter bag plate. When the dust filter bag needs to be disassembled, a tool is used to remove the bolts, and then the baffle is pulled up to take out the baffle, and the baffle is pulled up for a distance so that the positioning rod is taken out from the positioning hole, and then the rotating plate is rotated so that the rotating plate stands up, and the supporting ring can be moved down to drive the dust filter bag to move down until the supporting ring is disengaged from the filter bag plate. Because it only needs to be moved up a short distance to make the positioning rod disengage from the positioning hole, the pulling distance of the dust filter bag is short, and there is no need to worry about the long-distance pulling of the dust filter bag causing damage to the dust filter bag.

[0004] During the use of the above-mentioned device, the filter bag is installed with the assistance of bolts. During the overall use process, it needs to be disassembled and assembled with professional tools such as screwdrivers or wrenches. At the same time, the twisting of the bolts during disassembly and assembly is relatively time-consuming. It can be seen that the disassembly and assembly is time-consuming and inconvenient. At the same time, there is a lack of corresponding cleaning and dust-proof structure during its use. During filtration, dust is very easy to adhere to the outer surface of the filter bag. It can be seen that it has certain defects and shortcomings in use, so it needs to be improved. Utility Model Content

[0005] In view of the problems mentioned in the background technology, the purpose of the utility model is to provide a dust filter bag that is easy to disassemble and assemble, so as to solve the problems raised by the background technology.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A dust filter bag that is easy to disassemble and assemble, comprising a base plate, a fixing mechanism is fixedly installed on one side of the top of the base plate, a mounting groove is opened in the middle of the base plate, a mounting ring is inserted in the interior of the mounting groove, a filling net cylinder is fixedly installed on the bottom of the mounting ring, a bag body is sleeved on the outer surface of the filling net cylinder, a limited edge is fixedly connected to the top of the bag body, the limited edge is arranged between the mounting ring and the inner side of the mounting groove, the mounting groove is installed on the inner side of the fixing mechanism through the fixing mechanism, a cleaning mechanism is fixedly installed on the bottom of the base plate on the outer side of the mounting groove, and the cleaning mechanism is arranged on the outer side of the bag body;

[0008] The fixing mechanism includes a first motor and a movable groove, wherein the movable groove is opened on one side of the top of the substrate, the internal thread of the movable groove is connected with a screw rod, the first motor is fixedly installed on one side of the substrate, the output end of the first motor is fixedly connected to one end of the screw rod, the threads at both ends of the screw rod are rotated in opposite directions, both ends of the screw rod are threadedly connected with a slider, and a clamping frame is fixedly installed on the top of the slider.

[0009] As a preferred technical solution, both sides of the mounting ring are provided with card slots, and a card block is fixedly installed on the inner side of the clamping frame, and the card block is inserted into the inside of the card slot.

[0010] As a preferred technical solution, a handrail is fixedly mounted on the top of the mounting ring, and the side surface of the handrail is semi-arc-shaped.

[0011] As a preferred technical solution, the cleaning mechanism includes a gear ring and a fixed frame, the fixed frame is fixedly installed on one side of the bottom of the substrate, a second motor is fixedly installed on the bottom of the fixed frame, a transmission gear is fixedly installed on the output end of the second motor, the gear ring is rotatably connected to the middle of the bottom of the substrate, the gear ring and the transmission gear are meshed and connected, and a cleaning component is fixedly installed on the bottom of the gear ring.

[0012] As an optimal technical solution, the cleaning assembly includes a cleaning frame, the overall side shape of the cleaning frame is U-shaped, and limit springs are fixedly installed on the inner side of the cleaning frame at equal intervals. A brush plate is fixedly installed on the inner side of the limit spring, and the brush plates are arranged in two groups. The inner side of the brush plate is fitly connected to the outer surface of the cloth bag body.

[0013] As a preferred technical solution, limit frames are fixedly installed on both upper and lower ends of the brushing plate, and the limit frames are sleeved on the outer surface of the cleaning frame.

[0014] As a preferred technical solution, mounting plates are fixedly mounted on both sides of the base plate, and mounting holes are provided at both ends of the mounting plates.

[0015] In summary, the utility model mainly has the following beneficial effects:

[0016] First, by setting a fixing mechanism, the bag body can be easily sleeved outside the filling net tube and stably installed in the installation groove. During installation, the motor drives the slider and the clamping block to move, so that the clamping block is quickly inserted into the clamping groove of the installation ring to achieve rapid installation. During disassembly, the motor rotates in the opposite direction to quickly separate the clamping block and the clamping groove, which is convenient for disassembly and replacement. Compared with the traditional bolt installation method, the disassembly, assembly and replacement of this device is faster and more convenient;

[0017] Second, by setting up a cleaning mechanism, the device can use the filling mesh tube to support the bag body to improve the filtering efficiency. By starting the second motor, the transmission gear is driven to engage and rotate with the gear ring, which drives the cleaning frame to rotate. The brush plate on the cleaning frame fits the bag body under the action of the limit spring, and scrapes off dust during rotation to achieve automatic cleaning, avoid clogging, and improve the filtering capacity. At the same time, the limit frame ensures the stability of the brush plate and the spring, thereby improving the overall stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the cleaning mechanism of the utility model when viewed from above;

[0020] Figure 3 It is a schematic diagram of the overall structure of the cleaning mechanism of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the fixing mechanism of the utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the cloth bag body and the filling net cylinder of the utility model.

[0023] Attached figures: 1. Base plate; 2. Fixing mechanism; 21. First motor; 22. Movable groove; 23. Screw rod; 24. Slider; 25. Clamping frame; 26. Block; 27. Slot; 3. Mounting groove; 4. Mounting ring; 5. Filling net cylinder; 6. Cloth bag body; 7. Cleaning mechanism; 71. Gear ring; 72. Fixing frame; 73. Second motor; 74. Transmission gear; 75. Cleaning assembly; 751. Cleaning frame; 752. Limiting spring; 753. Brush plate; 754. Limiting frame; 8. Handrail; 9. Mounting plate; 10. Mounting hole; 11. Limiting edge. DETAILED DESCRIPTION

[0024] Example

[0025] refer to Figures 1 to 5, a dust filter bag that is easy to disassemble and assemble in this embodiment includes a base plate 1, a fixing mechanism 2 is fixedly installed on one side of the top of the base plate 1, a mounting groove 3 is opened in the middle of the base plate 1, a mounting ring 4 is inserted in the interior of the mounting groove 3, a filling net tube 5 is fixedly installed at the bottom of the mounting ring 4, and a bag body 6 is sleeved on the outer surface of the filling net tube 5, and the top of the bag body 6 is fixedly connected to a limited edge 11, and the limited edge 11 is arranged between the mounting ring 4 and the inner side of the mounting groove 3, and the mounting groove 3 is installed on the inner side of the fixing mechanism 2 through the fixing mechanism 2, and the bottom of the base plate 1 is located on the outer side of the mounting groove 3 and fixedly installed with a cleaning mechanism 7, and the cleaning mechanism 7 is arranged on the outer side of the bag body 6;

[0026] The fixing mechanism 2 includes a first motor 21 and a movable groove 22. The movable groove 22 is opened on one side of the top of the substrate 1. The inner thread of the movable groove 22 is connected with a screw rod 23. The first motor 21 is fixedly installed on one side of the substrate 1. The output end of the first motor 21 is fixedly connected to one end of the screw rod 23. The two ends of the screw rod 23 have opposite thread rotation directions. Both ends of the screw rod 23 are threadedly connected with a slider 24. The top of the slider 24 is fixedly installed with a clamping frame 25. The substrate 1 is the basic part of the entire device. Other components are directly or indirectly installed on this substrate 1. The main function of the fixing mechanism 2 is to fix and stabilize the mounting ring 4 and the bag body 6. The fixing mechanism 2 includes components such as the first motor 21, the movable groove 22, the screw rod 23 and the slider 24. The first motor 21 drives the screw rod 23 to rotate. Since the threads of the two ends of the screw rod 23 rotate in opposite directions, when the screw rod 23 rotates, the sliders 24 at the two ends will move toward the center or both sides, thereby clamping or releasing the mounting ring 4 and the bag body 6 through the clamping frame 25. The mounting groove 3 is a space opened in the middle of the base plate 1 for inserting the mounting ring 4. The mounting ring 4 is an annular structure, and a filling net cylinder 5 is fixedly installed at the bottom. The mounting ring 4 can be inserted into the mounting groove 3, thereby being fixed on the base plate 1. The filling net cylinder 5 can support and reinforce the bag body 6, so that the bag body 6 is tight. The bag body 6 is sleeved on the outer surface of the filling net cylinder 5. The top of the bag body 6 has a limited edge 11, which is used to fix the bag body 6 between the mounting ring 4 and the mounting groove 3. The limited edge 11 is used to limit the position of the bag body 6 to ensure that it is stably set between the mounting ring 4 and the mounting groove 3. The cleaning mechanism 7 can be used to clean dust or impurities on the bag body 6 to ensure the filtering effect of the bag body 6.

[0027] refer to Figure 1-Figure 5, both sides of the mounting ring 4 are provided with card slots 27, and a card block 26 is fixedly installed on the inner side of the clamping frame 25, and the card block 26 is inserted into the inside of the card slot 27. The card slot 27 is provided on both sides of the mounting ring 4, providing a stable fixing point for the fixing mechanism 2, and the clamping frame 25 is connected to the screw rod 23 through the slider 24, and the screw rod 23 is driven to rotate by the first motor 21, so as to control the movement of the clamping frame 25, and a card block 26 matching the card slot 27 is fixed on the inner side of the clamping frame 25. When the clamping frame 25 moves toward the mounting ring 4, the card block 26 will be inserted into the inside of the card slot 27 to ensure that the mounting ring 4 and the cloth bag body 6 are firmly fixed in the mounting groove 3. This design makes it easy for users to install and remove the cloth bag body 6, while ensuring its stability during use. The fixing mechanism 2 has a simple structure, is easy to operate, and has a firm fixing effect, which provides a reliable guarantee for the normal operation and filtering effect of the entire device.

[0028] refer to Figure 1-Figure 5 , an armrest 8 is fixedly installed on the top of the mounting ring 4, and the side shape of the armrest 8 is a semi-arc setting. The clamping frame 25 is connected to the screw rod 23 through a slider 24, and the screw rod 23 is driven to rotate by the first motor 21, thereby controlling the movement of the clamping frame 25, and the block 26 on the inner side of the clamping frame 25 matches the card slot 27. When the clamping frame 25 moves toward the mounting ring 4, the block 26 will be accurately inserted into the card slot 27, thereby ensuring that the mounting ring 4 and the cloth bag body 6 are firmly fixed in the mounting groove 3. In addition, in order to enhance the convenience and comfort of operation, an armrest 8 is also fixedly installed on the top of the mounting ring 4, and the side shape of the armrest 8 is a semi-arc setting, which not only provides a stable support point for the user, making the operation easier, but also the semi-arc shape conforms to the ergonomic principles, providing the user with a comfortable holding experience.

[0029] refer to Figure 1-Figure 5The cleaning mechanism 7 includes a gear ring 71 and a fixed frame 72. The fixed frame 72 is fixedly installed on one side of the bottom of the substrate 1. A second motor 73 is fixedly installed on the bottom of the fixed frame 72. A transmission gear 74 is fixedly installed on the output end of the second motor 73. The gear ring 71 is rotatably connected to the middle of the bottom of the substrate 1. The gear ring 71 and the transmission gear 74 are meshed and connected. A cleaning component 75 is fixedly installed on the bottom of the gear ring 71. The cleaning mechanism 7 is mainly composed of the gear ring 71, the fixed frame 72, the second motor 73, the transmission gear 74 and the cleaning component 75. The fixed frame 72 is fixedly installed on one side of the bottom of the substrate 1 to provide a stable support for the entire cleaning mechanism 7. The second motor 73 is installed at the bottom of the fixed frame 72, and its output end is connected to the transmission gear 74. , the entire cleaning mechanism 7 is driven to work by driving the transmission gear 74 to rotate, the gear ring 71 is rotatably connected to the middle of the bottom of the base plate 1, and is meshed with the transmission gear 74. When the second motor 73 is started and the transmission gear 74 starts to rotate, the gear ring 71 will also rotate accordingly. A cleaning component 75 is fixedly installed at the bottom of the gear ring 71. As the gear ring 71 rotates, the cleaning component 75 can clean the outer surface of the bag body 6 to remove accumulated dust and impurities. This design enables the bag body 6 to remain clean during the filtering or collecting process, thereby improving the filtering effect and collection efficiency. At the same time, by controlling the rotation speed and direction of the second motor 73, the working state of the cleaning component 75 can be conveniently adjusted to meet different cleaning needs.

[0030] refer to Figure 1-Figure 5 The cleaning assembly 75 includes a cleaning frame 751, and the overall side shape of the cleaning frame 751 is U-shaped. Limiting springs 752 are fixedly installed on the inner side of the cleaning frame 751 at equal intervals. A brush rubbing plate 753 is fixedly installed on the inner side of the limiting spring 752. The brush rubbing plate 753 is arranged in two groups. The inner side of the brush rubbing plate 753 is fitted and connected with the outer surface of the cloth bag body 6. The overall side shape of the cleaning frame 751 is U-shaped. This design enables the cleaning frame 751 to fit closely to the outer surface of the cloth bag body 6 to ensure that no area is missed during cleaning. Limiting springs 752 are fixedly installed on the inner side of the cleaning frame 751 at equal intervals. The limiting springs 752 not only provide the brush rubbing plate 753 The adaptive pressure between the brush plate 753 and the cloth bag body 6 enables the brush plate 753 to fit tightly against the outer surface of the cloth bag body 6, and can also provide a certain buffering effect during the cleaning process to avoid damage to the cloth bag body 6. The brush plates 753 are arranged in two groups, which are respectively installed on the inner sides of the cleaning frame 751, and the inner sides thereof are fitted and connected with the outer surface of the cloth bag body 6. This design enables the brush plates 753 to effectively brush away the dust and impurities on the outer surface of the cloth bag body 6 during the movement of the cleaning frame 751. At the same time, the material selection of the brush plates 753 is also very critical, and it needs to have a certain flexibility and wear resistance to ensure the cleaning effect while extending the service life of the brush plates 753.

[0031] refer to Figure 1-Figure 5 The upper and lower ends of the brush rubbing plate 753 are fixedly installed with limit frames 754, and the limit frames 754 are sleeved on the outer surface of the cleaning frame 751. The setting of the limit frames 754 ensures the stability of the brush rubbing plate 753 during the cleaning process. The upper and lower ends of the brush rubbing plate 753 are fixedly installed with limit frames 754, and these limit frames 754 are tightly sleeved on the outer surface of the cleaning frame 751 to form a stable supporting structure. In this way, even if it encounters greater resistance or vibration during the cleaning process, the brush rubbing plate 753 can maintain its position and posture stability without offset or shaking. In addition, the limit frames 754 can also play a certain protective role for the brush rubbing plate 753. During the cleaning process, there may be some protruding parts or sharp edges on the outer surface of the cloth bag body 6, which may cause damage to the brush rubbing plate 753, and the existence of the limit frames 754 can effectively reduce the contact between the brush rubbing plate 753 and these potential risk points, thereby reducing the risk of damage to the brush rubbing plate 753.

[0032] refer to Figure 1-Figure 5 , mounting plates 9 are fixedly installed on both sides of the substrate 1, and mounting holes 10 are opened at both ends of the mounting plates 9. Mounting plates 9 are fixedly installed on both sides of the substrate 1. Such a design makes it possible to conveniently fix the device on a wall, a bracket or other fixed structures. Mounting holes 10 are opened at both ends of the mounting plates 9. These mounting holes 10 provide a convenient interface for installation. Users can use bolts, screws or other fasteners to pass through the mounting holes 10 to firmly fix the mounting plates 9 at the desired position. The setting of the mounting holes 10 not only makes the installation process simple and quick, but also can ensure the stability and reliability of the installation of the device. Through such a design, users can flexibly adjust the installation position and direction of the device according to actual needs to meet different working environments and usage requirements. At the same time, the fixed installation of the mounting plate 9 also increases the stability and load-bearing capacity of the entire device, ensuring that the device can maintain stable operation during long-term use.

[0033] Principle and advantages of use: By setting the fixing mechanism 2, the device can be used during use by sleeved on the outer surface of the filling net tube 5 through the cloth bag body 6, and then the filling net tube 5 is inserted into the interior of the installation groove 3 together with the cloth bag body 6. At this time, the cloth bag body 6 is squeezed into the interior of the installation groove 3 by the installation ring 4, and the limiting edge 11 is squeezed by the installation groove 3 and the installation ring 4 on the filling sleeve, so that the cloth bag body 6 can be stably installed on the outer surface of the filling net tube 5. At this time, by starting the first motor 21 to run, the first motor 21 drives the screw rod 23 to drive the slider 24 to slide on the inner side of the movable groove 22, and the clamping blocks can be moved with each other to drive the clamping frame 25 to drive the card block 26 to be plugged into the installation ring 4, through the mutual limitation of the clamping block 26 and the clamping slot 27, the mounting ring 4 can be quickly clamped and installed on the base plate 1. When it needs to be disassembled, it is only necessary to start the first motor 21 to drive the screw rod 23 to rotate in the opposite direction, so as to drive the clamping frame 25 to move in the opposite direction. At this time, the clamping frame 25 can drive the clamping block 26 to leave the clamping slot 27, and then the clamping block 26 and the clamping slot 27 can be quickly separated. At this time, the mounting ring 4 loses its limitation, and the mounting ring 4 and the filling net cylinder 5 can be removed from the inside of the mounting slot 3 together with the bag body 6, so that the overall inspection, maintenance and replacement of the device are more convenient. Compared with the prior art using bolts for installation, it can be seen that the disassembly and replacement of the device is faster.

[0034] By setting the cleaning mechanism 7, the device can assist in supporting the cloth bag body 6 by the filling net tube 5 during use. The cloth bag body 6 is stretched open by the filling net tube 5, which can improve the filtering and screening efficiency of the cloth bag body 6. At the same time, during this period, the second motor 73 can be started to operate, and the second motor 73 drives the transmission gear 74 to rotate. The transmission gear 74 and the gear ring 71 are meshed and connected, and then the transmission gear 74 can assist in driving the gear ring 71 to rotate. The rotation of the gear ring 71 can drive the cleaning frame 751 located on the outside of the cloth bag body 6 to rotate. At this time, the cleaning frame 751 inside The limiting spring 752 resists the brush plate 753 to move inward and fit the outer surface of the cloth bag body 6. As the brush plate 753 fits the cloth bag body 6 and rotates, the cloth bag body 6 can be scratched and cleaned, so that the device has an automatic cleaning function, which can avoid the filtered dust and impurities from clogging the cloth bag body 6, and can improve the overall filtering and screening capacity of the device. At the same time, it is equipped with a limiting frame 754 to assist the brush plate 753 to slide on the cleaning frame 751, and avoid the lateral shaking of the brush plate 753 and the limiting spring 752, which can improve the overall stability of the device.

Claims

1. A dust filter bag that is easy to disassemble and assemble, comprising a base plate (1), characterized in that: A fixing mechanism (2) is fixedly installed on one side of the top of the base plate (1); a mounting groove (3) is provided in the middle of the base plate (1); a mounting ring (4) is inserted into the interior of the mounting groove (3); a filling net cylinder (5) is fixedly installed on the bottom of the mounting ring (4); a cloth bag body (6) is sleeved on the outer surface of the filling net cylinder (5); a limiting edge (11) is fixedly connected to the top of the cloth bag body (6); the limiting edge (11) is arranged between the mounting ring (4) and the inner side of the mounting groove (3); the mounting groove (3) is installed on the inner side of the fixing mechanism (2) through the fixing mechanism (2); a cleaning mechanism (7) is fixedly installed on the bottom of the base plate (1) outside the mounting groove (3); the cleaning mechanism (7) is arranged on the outer side of the cloth bag body (6); The fixing mechanism (2) comprises a first motor (21) and a movable groove (22); the movable groove (22) is provided on one side of the top of the base plate (1); the inner thread of the movable groove (22) is connected to a screw rod (23); the first motor (21) is fixedly mounted on one side of the base plate (1); the output end of the first motor (21) is fixedly connected to one end of the screw rod (23); the threads of the two ends of the screw rod (23) are rotated in opposite directions; both ends of the screw rod (23) are threadedly connected to a slider (24); and a clamping frame (25) is fixedly mounted on the top of the slider (24).

2. The dust filter bag that is easy to disassemble and assemble according to claim 1 is characterized in that: Both sides of the mounting ring (4) are provided with card slots (27), and a card block (26) is fixedly installed on the inner side of the clamping frame (25), and the card block (26) is inserted into the inside of the card slot (27).

3. The dust filter bag that is easy to assemble and disassemble according to claim 1 is characterized in that: A handrail (8) is fixedly mounted on the top of the mounting ring (4), and the side surface of the handrail (8) is in a semi-arc shape.

4. The dust filter bag that is easy to disassemble and assemble according to claim 1 is characterized in that: The cleaning mechanism (7) comprises a gear ring (71) and a fixing frame (72); the fixing frame (72) is fixedly mounted on one side of the bottom of the base plate (1); a second motor (73) is fixedly mounted on the bottom of the fixing frame (72); a transmission gear (74) is fixedly mounted on the output end of the second motor (73); the gear ring (71) is rotatably connected to the middle of the bottom of the base plate (1); the gear ring (71) and the transmission gear (74) are meshedly connected; and a cleaning assembly (75) is fixedly mounted on the bottom of the gear ring (71).

5. The dust filter bag that is easy to disassemble and assemble according to claim 4, characterized in that: The cleaning assembly (75) comprises a cleaning frame (751), the overall side shape of the cleaning frame (751) is U-shaped, the inner side of the cleaning frame (751) is fixedly installed with limit springs (752) at equal intervals, the inner side of the limit spring (752) is fixedly installed with a brush plate (753), the brush plate (753) is arranged in two groups, and the inner side of the brush plate (753) is in close contact with the outer surface of the cloth bag body (6).

6. The dust filter bag that is easy to assemble and disassemble according to claim 5, characterized in that: Limiting frames (754) are fixedly mounted on both upper and lower ends of the brushing plate (753), and the limiting frames (754) are sleeved on the outer surface of the cleaning frame (751).

7. The dust filter bag that is easy to assemble and disassemble according to claim 1, characterized in that: Mounting plates (9) are fixedly mounted on both sides of the base plate (1), and mounting holes (10) are provided at both ends of the mounting plate (9).

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