A quick-mounting air door mounting device for underground coal mine

Abstract

The application discloses a quick-mounting air door mounting device for underground coal mines, which comprises an adjusting device, a longitudinal rotating mechanism and a mechanical claw, a rotating piece of the adjusting device is fixed on a fixed piece of the longitudinal rotating mechanism, and a rotating piece of the longitudinal rotating mechanism is fixed on a fixed piece of the mechanical claw. The device has the advantages that the device replaces manual work, reduces the number of construction personnel, reduces labor intensity, improves labor efficiency, avoids the situation that personnel are injured by falling and side turning during manual carrying, reduces the probability of personnel harm, and improves the safety coefficient.

Description

Technical fields:

[0001] This invention relates to the field of ventilation door installation technology, specifically to a quick-installation ventilation door installation device for underground coal mines. Background technology:

[0002] In order to stabilize the ventilation system, reduce ineffective air leakage, and ensure safe production in mine roadways, mine ventilation doors are usually installed in the roadways.

[0003] The design of mine roadways varies depending on their purpose and geological conditions, necessitating the installation of different sizes of ventilation doors. Commonly used types include electric gantry crane ventilation doors, pneumatic gantry crane ventilation doors, and bamboo plywood gantry crane ventilation doors. These doors typically measure 2.6 meters x 4.2 meters, weigh approximately 0.5 tons, and are rectangular in shape. They are available in various materials such as iron and wood. During installation, the doors are transported to the installation site in explosion-proof vehicles. A chain hoist is then used to lift the door, with the upper end of the chain fixed to anchor cables. At least six people are required to support the lower end of the door, adjust the angle, and then use a crowbar to pry open the rear end to complete the installation. Each ventilation door installation requires at least eight workers and a foreman to oversee the process. The vertical installation of ventilation doors is extremely dangerous, requiring precise command and close coordination among workers; otherwise, accidents are highly likely, posing significant safety hazards. With such a large workforce, installing each ventilation door takes approximately two hours, resulting in low work efficiency. The installation of dampers is still in a non-mechanized stage, relying on the strength of many people, and there is no reasonable and reliable mechanical damper installation system.

[0004] The following problems may occur when using traditional installation techniques and procedures:

[0005] 1. It requires a lot of manual labor. Due to the high frequency of adjustment, dismantling and installation of ventilation systems underground, a large number of people are needed, usually 10-12, to load, unload and move air doors, install and lift air doors, and coordinate the position of multiple people.

[0006] 2. The labor intensity is high. All the installation of air doors underground is done manually. The air doors are lifted and pulled and adjusted by hand. Automatic air doors are especially heavy and larger than wooden air doors, which increases the labor intensity.

[0007] 3. There are significant safety hazards. During the handling process, the door is prone to slipping and injuring people or causing injuries to their hands and feet. When the door is erected, the center of gravity shifts upward, posing a great safety hazard and the door may tip over and cause an accident.

[0008] 4. A large number of tools and equipment are used, including chains, crowbars, ropes, and wire ropes, and damage to these tools and equipment is quite common.

[0009] 5. The construction process is complex. Installing the damper requires pre-installing anchor cables at the damper installation location, which is a complicated process.

[0010] 6. Low work efficiency: everything from handling to installation is done manually, resulting in low work efficiency, slow project speed, and outdated construction techniques. Summary of the Invention:

[0011] The purpose of this invention is to provide a quick-installation air door installation device for underground coal mines.

[0012] This invention is implemented by the following technical solution:

[0013] A quick-installation ventilation door installation device for underground coal mines includes an adjustment device, a longitudinal rotation mechanism, and a mechanical claw. The rotating component of the adjustment device is fixed to the fixed component of the longitudinal rotation mechanism, and the rotating component of the longitudinal rotation mechanism is fixed to the fixed component of the mechanical claw.

[0014] Preferably, the adjusting device is a hydraulic slewing bearing device, with a first connecting plate fixed on the supporting component of the hydraulic slewing bearing device, a second connecting plate fixed on the slewing component of the hydraulic slewing bearing device, and a third connecting plate vertically fixed on the second connecting plate; the first connecting plate is the fixing component of the adjusting device, and the third connecting plate is the rotating component of the adjusting device.

[0015] Preferably, the adjusting device includes a first C-shaped plate and a second C-shaped plate with openings opposite to each other. The top and bottom of the first C-shaped plate are rotatably connected to the top and bottom of the second C-shaped plate, respectively. A rotating hydraulic cylinder is provided between the first C-shaped plate and the second C-shaped plate. The cylinder body of the rotating hydraulic cylinder is hinged to the second C-shaped plate, and the end of the telescopic rod of the rotating hydraulic cylinder is hinged to the first C-shaped plate. The second C-shaped plate is a fixing component of the adjusting device, and the first C-shaped plate is a rotating component of the adjusting device.

[0016] Preferably, the longitudinal rotation mechanism includes a fixed plate, a movable plate, and a hydraulic motor. The fixed plate is rotatably connected to the surface of the movable plate. The hydraulic motor is fixed to the top of the fixed plate. A gear is coaxially fixed to the end of the output shaft of the hydraulic motor. The gear meshes with an arc-shaped external tooth provided at the top of the movable plate. The fixed plate is a fixing component of the longitudinal rotation mechanism, and the movable plate is a rotating component of the longitudinal rotation mechanism.

[0017] Preferably, the longitudinal rotation mechanism is a hydraulic slewing bearing device; the supporting component of the hydraulic slewing bearing device is the fixing component of the longitudinal rotation mechanism, and the rotating component of the hydraulic slewing bearing device is the rotating component of the longitudinal rotation mechanism.

[0018] Preferably, the mechanical gripper includes a pair of telescopic grippers and an intermediate plate disposed between the pair of telescopic grippers; the intermediate plate is a fixing member of the mechanical gripper.

[0019] Preferably, the telescopic claw includes an upper section tube, a lower section tube, an extension tube, and a telescopic cylinder. The bottom end of the upper section tube is slidably inserted into the top end of the lower section tube. The telescopic rod end of the telescopic cylinder is hinged to the upper section tube, and the cylinder body of the telescopic cylinder is hinged to the lower section tube. The bottom end of the extension tube is slidably inserted into the top end of the upper section tube. Both ends of the extension tube are provided with limiting through holes. The top end of the upper section tube is provided with a locking through hole that matches the limiting through hole. A pin is movably inserted between the locking through hole and any of the limiting through holes. Symmetrically arranged slotted hooks are fixed at the top end of the extension tube and the bottom end of the lower section tube, respectively. The lower section tube is fixedly connected to the end of the intermediate plate.

[0020] Preferably, a ball screw is provided between the lower section tube and the corresponding end of the intermediate plate, the screw part of the ball screw is fixed on the intermediate plate, and the nut part of the ball screw is fixed on the lower section tube.

[0021] Preferably, at least one rotatable and adjustable camera is installed on the outer wall of the lower pipe section.

[0022] Preferably, an electromagnet is fixed on the surface of the intermediate plate that is in the same direction as the slot hook.

[0023] Preferably, it further includes a compensation mechanism, which includes a support plate, an adjusting plate, and an adjusting cylinder. The top end of the adjusting plate is hinged to the top end of the support plate, the bottom end of the adjusting plate is bent away from the support plate, the cylinder body of the adjusting cylinder is hinged to the support plate, and the end of the telescopic rod of the adjusting cylinder is hinged to the bent bottom end of the adjusting plate. The adjusting plate is fixed to the rotating component of the longitudinal rotation mechanism, and the support plate is fixed to the fixing component of the mechanical claw.

[0024] Preferably, it further includes an adjustment device, which includes a pointer and a semi-circular scale. The pointer is fixed to the top of the fixing member of the longitudinal rotation mechanism, and the semi-circular scale is fixed to the top of the fixing member of the mechanical claw.

[0025] Advantages of this invention:

[0026] 1. Less manpower is required. Previously, installing automatic dampers required 10-12 people. With this device, installation and dismantling can be done by only 2 people. One person operates and the other directs and coordinates, which greatly reduces the number of construction workers.

[0027] 2. It greatly reduces labor intensity. The mechanical gripper's grasping is entirely controlled by a hydraulic system, replacing manual labor with machinery, reducing the workload of workers, and improving labor efficiency at the same time.

[0028] 3. To avoid safety hazards, the entire installation and disassembly process is mechanized. The entire process of grabbing and moving the air door is completed by one operator, which avoids the possibility of slipping or tipping over during manual handling and injuring personnel, thereby reducing the probability of injury and improving the safety factor.

[0029] 4. Reduce the use of tools and equipment. Reduce the types and quantities of tools and equipment used. Use mechanical grippers to perform tasks such as handling, erecting, and alignment, and reduce the use of lifting chains, crowbars, ropes and other tools.

[0030] 5. The construction process is simple. No anchor cables are needed before installing the damper, which simplifies the construction process and speeds up the project.

[0031] 6. High efficiency: This device is highly integrated, with no separate tools, allowing for quick disassembly and replacement, thus improving work efficiency.

[0032] 7. Easy to operate, integrating all operations, simple and convenient to use, and able to complete different orientation adjustment commands simultaneously.

[0033] 8. Low investment, eliminating the need for tools such as lifting chains, crowbars, and wire ropes. This device is assembled and used in conjunction with a loader, allowing existing loading vehicles in the mine to be modified, thus saving costs. Attached image description:

[0034] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0035] Figure 1 This is a schematic diagram of the overall structure of Example 1.

[0036] Figure 2 yes Figure 1 Side view.

[0037] Figure 3 yes Figure 1 A bottom view.

[0038] Figure 4 yes Figure 1 A top view with a ball screw.

[0039] Figure 5 yes Figure 1 A schematic diagram showing a loader quick connector and docking structure.

[0040] Figure 6 This is a schematic diagram of the overall structure of Example 2.

[0041] Figure 7 yes Figure 6 Side view.

[0042] Figure 8 This is a schematic diagram of the overall structure of Example 3.

[0043] Figure 9 yes Figure 8 Side view.

[0044] Figure 10 This is a schematic diagram of the overall structure of Example 4.

[0045] Figure 11 yes Figure 10 Side view.

[0046] In the diagram: 2. Adjustment device; 3. Longitudinal rotation mechanism; 4. Mechanical claw; 5. Hydraulic slewing bearing device; 6. First connecting plate; 7. Second connecting plate; 8. Third connecting plate; 9. Fixed plate; 10. Movable plate; 11. Hydraulic motor; 12. Gear; 13. External gear; 14. Telescopic claw; 15. Intermediate plate; 16. Upper section pipe; 17. Lower section pipe; 18. Extension pipe; 19. Telescopic cylinder; 20. Limiting through hole; 21. Locking through hole; 22. Pin; 23. Groove hook; 24. Ball screw; 25. Camera; 26. Electromagnet; 27. Compensation mechanism; 28. Support plate; 29. ​​Adjustment plate; 30. Adjustment cylinder; 31. Adjustment device; 32. Pointer; 33. Semicircular scale; 34. U-shaped ear plate; 35. Loader quick connector; 36. Docking structure; 37. First C-shaped plate; 38. Second C-shaped plate; 39. Rotating cylinder. Detailed implementation method:

[0047] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0048] Example 1:

[0049] like Figures 1-5 As shown, a quick-installation air door installation device for underground coal mines includes an adjustment device 2, a longitudinal rotation mechanism 3, and a mechanical claw 4. The rotating part of the adjustment device 2 is fixed on the fixed part of the longitudinal rotation mechanism 3, and the rotating part of the longitudinal rotation mechanism 3 is fixed on the fixed part of the mechanical claw 4. The mechanical claw 4 is used to grab the air door.

[0050] Three U-shaped lugs 34 can be installed on the adjusting device 2. Two of the U-shaped lugs 34 are rotatably connected to the ends of the two booms at the front of the loader via pins 22, and the other U-shaped lug 34 is rotatably connected to the end of the tie rod of the loader rocker arm via pin 22. This connection method of the loader is a conventional connection method that can be easily deduced by those skilled in the art from the connection between the bucket and the loader. The adjusting device 2 rotates with the ends of the two booms at the front of the loader as the fulcrum. The tie rod of the loader rocker arm pushes and pulls the adjusting device 2, so that the adjusting device 2 drives the mechanical claw 4 to tilt and rotate back and forth. The tie rod of the loader rocker arm pulls the mechanical claw 4 into a vertical state, which is convenient for installing the air damper. At this time, the bottom of the mechanical claw 4 should be at least 3cm away from the roadway ground. The loader and this device can be connected and disconnected by removing and installing the pin 22 on the U-shaped lugs 34.

[0051] Alternatively, a docking structure 36 that mates with the loader quick connector 35 can be installed on the adjusting device 2. The loader quick connector 35 and the docking structure 36 are conventional devices used on loaders to achieve a quick connection between the bucket and the front end of the loader. In this embodiment, the loader quick connector 35 is pre-installed on the loader. By connecting the loader quick connector 35 with the docking structure 36, the device can be quickly connected to the front end of the loader, improving ease of use.

[0052] The adjusting device 2 includes a first C-shaped plate 37 and a second C-shaped plate 38 with their openings facing each other. The top and bottom of the first C-shaped plate 37 are rotatably connected to the top and bottom of the second C-shaped plate 38, respectively. A rotating cylinder 39 is provided between the first C-shaped plate 37 and the second C-shaped plate 38. The cylinder body of the rotating cylinder 39 is hinged to the second C-shaped plate 38, and the end of the telescopic rod of the rotating cylinder 39 is hinged to the first C-shaped plate 37. The second C-shaped plate 38 is a fixing component of the adjusting device 2, and the first C-shaped plate 37 is a rotating component of the adjusting device 2. A rotating hydraulic cylinder 39 is provided on each side between the plate 37 and the second C-shaped plate 38, or only one rotating hydraulic cylinder 39 is provided on one side. By extending and retracting the telescopic rod of the rotating hydraulic cylinder 39, the first C-shaped plate 37 is driven to rotate horizontally on the second C-shaped plate 38. Since the first C-shaped plate 37 is fixedly connected to the mechanical claw 4 through the longitudinal rotating mechanism 3, the mechanical claw 4 can drive the damper to rotate horizontally left and right. When the damper gripped by the mechanical claw 4 exceeds the sides of the damper frame, the damper can be aligned with the frame by fine adjustment of the left and right positions.

[0053] The longitudinal rotation mechanism 3 includes a fixed plate 9, a movable plate 10, and a hydraulic motor 11. The fixed plate 9 and the movable plate 10 are rotatably connected. The hydraulic motor 11 is fixed to the top of the fixed plate 9. A gear 12 is coaxially fixed to the end of the output shaft of the hydraulic motor 11. The gear 12 meshes with the arc-shaped external teeth 13 located at the top of the movable plate 10. The fixed plate 9 is the fixing component of the longitudinal rotation mechanism 3, and the movable plate 10 is the rotating component of the longitudinal rotation mechanism 3. The output shaft of the hydraulic motor 11 drives the gear 12 to rotate forward or backward. The gear 12 causes the movable plate 10 to rotate forward or backward. Since the movable plate 10 is fixedly connected to the mechanical claw 4, the mechanical claw 4 drives the adjustment of the vertical left and right rotation position of the damper.

[0054] It also includes an adjustment device 31, which includes a pointer 32 and a semi-circular scale 33. The pointer 32 is fixed to the top of the fixing part of the longitudinal rotation mechanism 3, and the semi-circular scale 33 is fixed to the top of the fixing part of the mechanical claw 4. When the damper in the vertical state is rotated left and right to adjust its position, the pointer 32 does not rotate with the fixing part of the longitudinal rotation mechanism 3, while the semi-circular scale 33 rotates with the mechanical claw 4 that grips the damper. By observing the scale value of the pointer 32 on the semi-circular scale 33, the angle of rotation of the damper can be determined, which makes it easy to adjust the position of the damper to the left and right. After the damper is installed, the mechanical claw 4 can also be adjusted by pointing the pointer 32 to the middle position of the semi-circular scale 33.

[0055] The mechanical gripper 4 includes a pair of telescopic grippers 14 and an intermediate plate 15 disposed between the pair of telescopic grippers 14; the intermediate plate 15 is a fixing component of the mechanical gripper 4; the telescopic gripper 14 includes an upper section tube 16, a lower section tube 17, an extension tube 18, and a telescopic cylinder 19. The bottom end of the upper section tube 16 is slidably inserted into the top end of the lower section tube 17. The end of the telescopic rod of the telescopic cylinder 19 is hinged to the upper section tube 16, and the cylinder body of the telescopic cylinder 19 is hinged to the lower section tube 17. By extending and retracting the piston rod of the telescopic cylinder 19, it can... The upper section tube 16 is driven to extend and retract on the lower section tube 17, thereby adjusting the opening and closing degree of the gripping damper and accommodating dampers of different sizes. The bottom end of the extension tube 18 is slidably inserted into the top end of the upper section tube 16. Both ends of the extension tube 18 are provided with limiting through holes 20, and the top end of the upper section tube 16 is provided with a locking through hole 21 that matches the limiting through hole 20. A pin 22 is movably inserted between the locking through hole 21 and either limiting through hole 20. The extension tube 18 is extended and retracted on the upper section tube 16 by manual dragging. To further increase the opening and closing range of the damper, the extension tube 18 is pulled out so that the bottom limiting through hole 20 coincides with the locking through hole 21. The pin 22 is inserted to lock the damper, accommodating larger dampers. The extension tube 18 is pushed back so that the top limiting through hole 20 coincides with the locking through hole 21. The pin 22 is inserted to lock the damper, and the extension tube 18 is retracted into the upper section tube 16. Symmetrically arranged slotted hooks 23 are fixed at the top of the extension tube 18 and the bottom of the lower section tube 17, respectively. 23 is used to hold the end of the damper. The extension tube 18 and the upper section tube 16 extend from the lower section tube 17. The maximum length between the two slot hooks 23 is not less than 4.3 meters, which meets the usage requirements of the highest size of commercially available dampers. When the upper section tube 16 and the lower section tube 17 are retracted, the two slot hooks 23 clamp the damper. A soft material such as a rubber pad can be fixed on the inner wall of the slot hook 23 to prevent the end of the damper from being deformed and damaged by force. The lower section tube 17 is fixedly connected to the end of the intermediate plate 15.

[0056] A ball screw 24 is also provided between the lower section pipe 17 and the corresponding end of the intermediate plate 15. The screw part of the ball screw 24 is fixed on the intermediate plate 15, and the nut part of the ball screw 24 is fixed on the lower section pipe 17. The ball screw 24 can be set between the lower section pipe 17 and the corresponding end of the intermediate plate 15. By the reciprocating movement of the ball screw 24, the lower section pipe 17 drives the damper in the vertical state to move up and down on the intermediate plate 15, thereby realizing the adjustment of the vertical position of the damper. By finely adjusting the vertical position, the damper can be aligned with the door frame.

[0057] At least one rotatable and adjustable camera 25 is installed on the outer wall of the lower pipe section. The camera 25 feeds the real-time image of the side of the damper back to the display in the cab. The operator can observe the position of the side of the damper from the door frame through the display, which makes it easier to grasp the installation accuracy of the damper.

[0058] An electromagnet 26 is fixed on the plate surface of the middle plate 15 and the groove hook 23 in the same direction. During the process of grabbing and installing the iron damper, the damper can be grabbed not only by the telescopic claw 14, but also by the electromagnet 26, which can achieve two-level protection, improve the reliability of the damper temporarily fixed on the telescopic claw 14, and prevent the risk of the damper falling off accidentally.

[0059] It also includes a compensation mechanism 27, which includes a support plate 28, an adjusting plate 29, and an adjusting cylinder 30. The top of the adjusting plate 29 is hinged to the top of the support plate 28, and the bottom of the adjusting plate 29 is bent away from the support plate 28. The cylinder body of the adjusting cylinder 30 is hinged to the support plate 28, and the end of the telescopic rod of the adjusting cylinder 30 is hinged to the bent bottom end of the adjusting plate 29. The adjusting plate 29 is fixed to the rotating part of the longitudinal rotation mechanism 3, and the support plate 28 is fixed to the fixing part of the mechanical claw 4. Since the length of the tie rod of different loader arms is different, when the tie rod of the loader arm pushes and pulls the adjusting device 2, it is impossible to rotate the mechanical claw 4 upward to adjust it to a vertical state. This can be compensated by pushing out the piston rod of the adjusting cylinder 30, driving the support plate 28 to rotate the mechanical claw 4 upward, thereby making the mechanical claw 4 drive the damper to a vertical state.

[0060] The controller used to control the rotating cylinder 39, the telescopic cylinder 19, the hydraulic motor 11, the adjusting cylinder 30, the ball screw 24, the camera 25, and the electromagnet 26 can be located in the loader's cab, facilitating simultaneous operation of the device by the loader operator. The oil circuit connections and controls of the rotating cylinder 39, the telescopic cylinder 19, the hydraulic motor 11, and the adjusting cylinder 30 are all conventional technologies that are easily mastered by those skilled in the art. The controller can be set to remote control, allowing non-loader operators to observe and operate the device from outside the loader. Changing the controller to remote control is a conventional technology that is easily mastered by those skilled in the art.

[0061] Working principle: Utilizing the detachable feature of the front bucket of the explosion-proof loader, different front-end kits can be installed to achieve different uses in different scenarios. The bucket is removed, and the loader boom and the adjustment device 2 are rotatably connected through the U-shaped ear plate 34 and the pin shaft 22, or the loader quick connector 35 is connected to the docking structure 36, so that the loader can be equipped with the damper installation device of the present invention, and the purpose of quick-installation damper installation can be fully realized.

[0062] The vehicle transporting the airlock door arrives at the airlock door installation location in the tunnel. The loader moves to a suitable position near the transport vehicle, raises the loader boom to a suitable height, and pushes the adjusting device 2 with the front end of the loader boom as the pivot point to tilt downwards and forwards, opening the upper section 16 and lower section 17 of the telescopic claw 14. Then, the loader boom is lowered so that the groove hook 23 of the telescopic claw 14 slightly contacts the top and bottom of the airlock door. After the upper section 16 and lower section 17 retract to clamp the airlock door on the transport vehicle, the loader boom lifts the airlock door. At this time, the transport vehicle leaves, the lever retracts, and the adjusting device 2 is pulled to tilt upwards and forwards, erecting the airlock door. The loader moves to the airlock door installation location and observes whether the height and position of the airlock door and the door frame are appropriate. The first adjustment is made by rotating the hydraulic cylinder 39 to extend and retract. The U-shaped plate 37 then drives the damper to rotate horizontally left and right. The hydraulic motor 11 drives the movable plate 10 to rotate forward or backward, thereby adjusting the vertical left and right rotation and tilting position of the mechanical claw 4 and the damper. The vertical displacement of the ball screw 24 causes the mechanical claw 4 to move the damper vertically, thus adjusting the vertical position of the damper. The extension and retraction of the pull rod pulls the mechanical claw 4 and the damper to tilt and rotate forward and backward, adjusting the forward and backward tilting position. With the assistance of one person, the damper can be positioned correctly in all directions, including forward, backward, left and right, and tilt angles. The damper is then placed in the door frame, and the corresponding hinges on the damper are aligned and the pins are inserted to complete the installation. Similarly, the damper can also be disassembled using this device and transported away by a transport vehicle.

[0063] This invention has the following beneficial effects:

[0064] 1. Less manpower is required. Previously, installing automatic dampers required 10-12 people. With this device, installation and dismantling can be done by only 2 people. One person operates and the other directs and coordinates, which greatly reduces the number of construction workers.

[0065] 2. It greatly reduces labor intensity. The mechanical gripper's gripping action is entirely controlled by a hydraulic system, replacing manual labor with machinery, reducing the workload of workers, and improving labor efficiency.

[0066] 3. To avoid safety hazards, the entire installation and disassembly process is mechanized. The entire process of grabbing and moving the air door is completed by one operator, which avoids the possibility of slipping or tipping over during manual handling and injuring personnel, thereby reducing the probability of injury and improving the safety factor.

[0067] 4. Reduce the use of tools and equipment. Reduce the types and quantities of tools and equipment used. Use mechanical grippers to perform tasks such as handling, erecting, and alignment, and reduce the use of lifting chains, crowbars, ropes and other tools.

[0068] 5. The construction process is simple. No anchor cables are needed before installing the damper, which simplifies the construction process and speeds up the project.

[0069] 6. High efficiency: This device is highly integrated, with no separate tools, allowing for quick disassembly and replacement, thus improving work efficiency.

[0070] 7. Simple to operate, integrating all operations, easy and convenient to use, and capable of simultaneously completing commands for adjusting different orientations.

[0071] 8. Low investment, eliminating the need for tools such as lifting chains, crowbars, and wire ropes. This device is assembled and used in conjunction with a loader, allowing existing loading vehicles in the mine to be modified, thus saving costs.

[0072] Example 2:

[0073] like Figure 6 , Figure 7 As shown, a quick-installation ventilation door installation device for underground coal mines has the same overall structure as Embodiment 1, except that the longitudinal rotation mechanism 3 is a hydraulic slewing bearing device 5; the supporting component of the hydraulic slewing bearing device 5 is the fixing component of the longitudinal rotation mechanism 3, and the rotating component of the hydraulic slewing bearing device 5 is the rotating component of the longitudinal rotation mechanism 3. The mechanical claw 4 is driven to rotate by the hydraulic slewing bearing device 5, and the mechanical claw 4 drives the adjustment of the vertical left and right rotation position of the ventilation door. The hydraulic slewing bearing device 5 is a commercially available device, which is convenient to purchase, maintain and replace.

[0074] Working principle: The overall principle is the same as in Example 1. The difference is that the loader moves to the damper installation location and observes whether the height and position of the damper and the door frame are appropriate. The mechanical claw 4 is driven to rotate forward or backward by the hydraulic slewing bearing device 5, thereby adjusting the vertical left and right rotation tilt direction of the mechanical claw 4 and the damper.

[0075] Example 3:

[0076] like Figure 8 , Figure 9 As shown, a quick-installation air door installation device for underground coal mines has the same overall structure as Embodiment 1, except that the adjusting device 2 is a hydraulic slewing bearing device 5. A first connecting plate 6 is fixed on the supporting component of the hydraulic slewing bearing device 5, a second connecting plate 7 is fixed on the slewing component of the hydraulic slewing bearing device 5, and a third connecting plate 8 is vertically fixed on the second connecting plate 7. The first connecting plate 6 is the fixing component of the adjusting device 2, and the third connecting plate 8 is the rotating component of the adjusting device 2. The hydraulic slewing bearing device 5 drives the longitudinal rotating mechanism 3 to rotate horizontally. Since the rotating component of the hydraulic slewing bearing device 5 is fixedly connected to the mechanical claw 4 through the longitudinal rotating mechanism 3, the mechanical claw 4 can drive the air door to rotate horizontally left and right. When the air door grasped by the mechanical claw 4 exceeds the two sides of the air door frame, the air door can be aligned with the frame by fine adjustment of the left and right positions. The hydraulic slewing bearing device 5 is a commercially available device, which is convenient to purchase, maintain, and replace.

[0077] Working principle: The overall principle is the same as in Example 1. The difference is that the loader moves to the damper installation location and observes whether the height and position of the damper and the door frame are appropriate. The mechanical claw 4 is driven to rotate forward or backward by the hydraulic slewing bearing device 5, thereby adjusting the horizontal left and right rotation direction of the mechanical claw 4 and the damper.

[0078] Example 4:

[0079] like Figure 10 , Figure 11 As shown, a quick-installation air door installation device for underground coal mines has the same overall structure as Embodiment 1, except that the adjusting device 2 is a hydraulic slewing bearing device 5. A first connecting plate 6 is fixed on the supporting component of the hydraulic slewing bearing device 5, a second connecting plate 7 is fixed on the slewing component of the hydraulic slewing bearing device 5, and a third connecting plate 8 is vertically fixed on the second connecting plate 7. The first connecting plate 6 is the fixing component of the adjusting device 2, and the third connecting plate 8 is the rotating component of the adjusting device 2. The hydraulic slewing bearing device 5 drives the longitudinal rotating mechanism 3 to rotate horizontally. Since the rotating component of the hydraulic slewing bearing device 5 is fixedly connected to the mechanical claw 4 through the longitudinal rotating mechanism 3, the mechanical claw 4 can drive the air door to rotate horizontally left and right. When the air door grasped by the mechanical claw 4 exceeds the two sides of the air door frame, the air door can be aligned with the frame by fine adjustment of the left and right positions. The hydraulic slewing bearing device 5 is a commercially available device, which is convenient to purchase, maintain, and replace.

[0080] The longitudinal rotation mechanism 3 is a hydraulic slewing bearing device 5; the supporting component of the hydraulic slewing bearing device 5 is the fixed component of the longitudinal rotation mechanism 3, and the rotating component of the hydraulic slewing bearing device 5 is the rotating component of the longitudinal rotation mechanism 3. The mechanical claw 4 is driven to rotate by the hydraulic slewing bearing device 5, and the mechanical claw 4 drives the adjustment of the vertical left and right rotation position of the damper. The hydraulic slewing bearing device 5 is a commercially available device, which is convenient to purchase, maintain and replace.

[0081] Working principle: The overall principle is the same as in Example 1. The difference is that the loader moves to the damper installation location and observes whether the height and position of the damper and the door frame are appropriate. The mechanical claw 4 is driven to rotate forward or backward by the vertical hydraulic slewing bearing device 5, thereby adjusting the vertical left and right rotation tilt position of the damper. The mechanical claw 4 is driven to rotate forward or backward by the horizontal hydraulic slewing bearing device 5, thereby adjusting the horizontal left and right rotation position of the damper.

[0082] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A quick-installation ventilation door installation device for underground coal mines, characterized in that, It includes an adjustment device, a longitudinal rotation mechanism, and a mechanical gripper. The rotating part of the adjustment device is fixed to the fixed part of the longitudinal rotation mechanism, and the rotating part of the longitudinal rotation mechanism is fixed to the fixed part of the mechanical gripper used to grasp the damper. The adjusting device is connected to the mechanical claw through the longitudinal rotation mechanism, so that the mechanical claw can rotate horizontally left and right to adjust the damper; The longitudinal rotation mechanism drives the mechanical claw to rotate the damper vertically left and right; The adjusting device is equipped with three U-shaped lugs, two of which are rotatably connected to the ends of the two booms at the front of the loader via pins, and the other U-shaped lug is rotatably connected to the end of the tie rod of the loader rocker arm via a pin. The adjusting device rotates with the ends of the two booms at the front of the loader as fulcrums. The tie rod of the loader rocker arm pushes and pulls the adjusting device, causing the adjusting device to drive the mechanical claw to tilt and rotate back and forth. The mechanical gripper includes a pair of telescopic grippers and an intermediate plate disposed between the pair of telescopic grippers; the intermediate plate is a fixing component for the mechanical gripper. The telescopic claw includes an upper section tube, a lower section tube, an extension tube, and a telescopic cylinder. The bottom end of the upper section tube is slidably inserted into the top end of the lower section tube. The telescopic rod end of the telescopic cylinder is hinged to the upper section tube, and the cylinder body of the telescopic cylinder is hinged to the lower section tube. The bottom end of the extension tube is slidably inserted into the top end of the upper section tube. Both ends of the extension tube are provided with limiting through holes. The top end of the upper section tube is provided with a locking through hole that matches the limiting through holes. A pin is movably inserted between the locking through hole and any of the limiting through holes. Symmetrically arranged slotted hooks are fixed at the top end of the extension tube and the bottom end of the lower section tube, respectively. The lower section tube is fixedly connected to the end of the intermediate plate. It also includes a compensation mechanism, which comprises a support plate, an adjusting plate, and an adjusting cylinder. The top end of the adjusting plate is hinged to the top end of the support plate, and the bottom end of the adjusting plate is bent away from the support plate. The cylinder body of the adjusting cylinder is hinged to the support plate, and the end of the telescopic rod of the adjusting cylinder is hinged to the bent bottom end of the adjusting plate. The adjusting plate is fixed to the rotating component of the longitudinal rotation mechanism, and the support plate is fixed to the fixing component of the mechanical claw. It also includes an adjustment device, which includes a pointer and a semi-circular scale. The pointer is fixed to the top of the fixing member of the longitudinal rotation mechanism, and the semi-circular scale is fixed to the top of the fixing member of the mechanical claw.

2. The quick-installation ventilation door installation device for underground coal mines according to claim 1, characterized in that: The adjusting device is a hydraulic slewing bearing device. A first connecting plate is fixed on the supporting component of the hydraulic slewing bearing device, a second connecting plate is fixed on the slewing component of the hydraulic slewing bearing device, and a third connecting plate is vertically fixed on the second connecting plate. The first connecting plate is the fixing component of the adjusting device, and the third connecting plate is the rotating component of the adjusting device.

3. The quick-installation ventilation door installation device for underground coal mines according to claim 1, characterized in that: The adjusting device includes a first C-shaped plate and a second C-shaped plate with openings opposite each other. The top and bottom of the first C-shaped plate are rotatably connected to the top and bottom of the second C-shaped plate, respectively. A rotating cylinder is provided between the first C-shaped plate and the second C-shaped plate. The cylinder body of the rotating cylinder is hinged to the second C-shaped plate, and the end of the telescopic rod of the rotating cylinder is hinged to the first C-shaped plate. The second C-shaped plate is the fixing component of the adjusting device, and the first C-shaped plate is the rotating component of the adjusting device.

4. A quick-installation ventilation door installation device for underground coal mines according to claim 2 or 3, characterized in that: The longitudinal rotation mechanism includes a fixed plate, a movable plate, and a hydraulic motor. The fixed plate is rotatably connected to the surface of the movable plate. The hydraulic motor is fixed to the top of the fixed plate. A gear is coaxially fixed to the end of the output shaft of the hydraulic motor. The gear meshes with an arc-shaped external tooth located at the top of the movable plate. The fixed plate is a fixing component of the longitudinal rotation mechanism, and the movable plate is a rotating component of the longitudinal rotation mechanism.

5. A quick-installation ventilation door installation device for underground coal mines according to claim 2 or 3, characterized in that: The longitudinal rotation mechanism is a hydraulic slewing bearing device; the supporting component of the hydraulic slewing bearing device is the fixing component of the longitudinal rotation mechanism, and the rotating component of the hydraulic slewing bearing device is the rotating component of the longitudinal rotation mechanism.

6. The quick-installation ventilation door installation device for underground coal mines according to claim 1, characterized in that: A ball screw is also provided between the lower section tube and the corresponding end of the intermediate plate. The screw part of the ball screw is fixed to the intermediate plate, and the nut part of the ball screw is fixed to the lower section tube.

7. The quick-installation ventilation door installation device for underground coal mines according to claim 6, characterized in that: At least one rotatable and adjustable camera is installed on the outer wall of the lower section of the pipe.

8. The quick-installation ventilation door installation device for underground coal mines according to claim 7, characterized in that: An electromagnet is fixed on the surface of the intermediate plate that is in the same direction as the slot hook.

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