Coal mine electric support capable of steplessly regulating and controlling expansion and contraction ratio

Abstract

The invention relates to the technical field of coal mine supports, and discloses a coal mine electric support capable of steplessly regulating and controlling the telescopic ratio, which solves the problem of low stability, and comprises a support body, stabilizing plates are arranged at the front and rear ends of the support body, a top supporting plate is arranged at the top of the support body, and cleaning rods are arranged at the front and rear ends of the top supporting plate. Positioning rods are arranged in the frame body, a connecting main rod is hinged to the top of each positioning rod, a connecting auxiliary rod is further hinged to the top end of each connecting main rod through a locking shaft, a locking disc is fixed to the inner side of each locking shaft, and moving wheels are further arranged at the left end and the right end of the frame body. The multiple moving plates can be driven to move through cooperation of the main control rod and the auxiliary control rod, so that the positions of the positioning rod and the connecting main rod are changed, the telescopic ratio of the connecting main rod to the connecting auxiliary rod is changed, the supporting precision is improved, the lifting range of the left supporting frame is changed, and the use range of the equipment is widened.

Description

Technical Field

[0001] The invention belongs to the technical field of coal mine supports, in particular to an electric coal mine support capable of steplessly adjusting the telescopic ratio. Background Art

[0002] In underground coal mining operations, the support is the key support equipment for the fully mechanized mining face. It plays a vital role in maintaining the stability of the roof, ensuring the safety of miners, and ensuring efficient mining of coal. As coal mining technology continues to develop in the direction of automation and intelligence, the performance requirements for the support are also increasing. Traditional coal mine supports use hydraulic cylinders, which have problems such as groundwater pollution caused by emulsion leakage and insufficient control accuracy. Therefore, a coal mine electric support is proposed.

[0003] However, due to the structure of the three-force bar folding rod system, the telescopic ratio adjustment range of the bracket is limited, which is difficult to adapt to the needs of different geological conditions and changes in tunnel sections. There are also certain difficulties in the transportation process. At the same time, the existing coal mine bracket has poor support stability due to the large amount of coal dust and coal blocks accumulated on the top of the bracket during use. For this reason, the present invention proposes a coal mine electric bracket with stepless adjustable telescopic ratio. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a coal mine electric support with stepless adjustable telescopic ratio, which effectively solves the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an electric support for coal mines with stepless adjustable telescopic ratio, comprising a frame, a connecting buckle is fixed to the left end of the frame, a support plate is fixed to the top of the frame, a controller is fixed to the top of the support plate, a power supply is fixed to the rear of the controller, the front and rear ends of the frame are rotatably connected to the stabilizing plate through stabilizing plate positioning buckles, a plurality of stabilizing shafts are slidably connected to the stabilizing plate, a top support plate is provided on the top of the frame, cleaning rails are fixed to the front and rear ends of the top support plate, a cleaning rod is provided on the outer side of each cleaning rail, a left cleaning shaft is fixed to the bottom of each cleaning rail, and each The right end of the left cleaning shaft is provided with a right cleaning shaft fixedly connected to the top supporting plate, and the top of the frame body and the bottom of the top supporting plate are provided with two sliding rails, each of the sliding rails is slidably connected with a slider outside, and a movable plate is fixed outside each slider, and the top of each movable plate at the bottom is rotatably connected with a positioning rod, and the top of each positioning rod is hinged with a connecting main rod, and the top of each connecting main rod is also hinged with a connecting secondary rod through a locking shaft, and a positioning bar is fixed on the left end of each connecting secondary rod, and a locking disk is fixed on the inner side of each locking shaft, and a locking block is tightly fitted on the outer side of each locking disk, and moving wheels are also provided at the left and right ends of the frame body.

[0006] Preferably, a plurality of stabilizing rods are fixed on the top of each stabilizing plate, each of which is rotatably connected to the stabilizing shaft at its bottom, a stabilizing plate motor is fixed to the left end of each stabilizing plate positioning buckle, and each of which is rotatably connected to the stabilizing plate at its right end.

[0007] Preferably, the frame body is rotatably connected to two moving wheel shafts, each of which is fixed with a moving wheel positioning plate on the outside, and each of the moving wheel positioning plates is rotatably connected to the moving wheel inside it via a rotating shaft, a moving sub-gear is fixed to the outside of the moving wheel shaft at the left end, the moving sub-gear is meshingly connected to a moving main gear, the rear end of the moving main gear is rotatably connected to a moving motor, the moving motor is fixedly connected to the frame body, a connecting main gear is fixedly provided at the front end of the moving motor, the right end of the connecting main gear is meshingly connected to a connecting sub-gear via a chain, and the connecting sub-gear is fixedly connected to the moving wheel shaft at the right end.

[0008] Preferably, two main regulating rods are fixed inside the frame, each of the main regulating rods is hinged to the movable plate at its left end, a bottom angle sensor is fixed to the bottom outer end of each positioning rod, the bottom of each positioning bar is hinged to the frame, and a top angle sensor is fixed to the outer side of each connecting main rod.

[0009] Preferably, each positioning bar is hingedly provided with a left supporting frame at the top, and the left supporting frame is rotatably connected to the lower supporting plate at the bottom, the top of the left supporting frame is rotatably connected to the top supporting plate, and the left end of the top supporting plate is rotatably connected to the left supporting plate, the top reversing rod is hinged on the inner side of the left supporting frame, the left end of the top reversing rod is hinged to the top supporting plate, the bottom of the top supporting plate is hinged with a secondary regulating rod, the left end of the secondary regulating rod is hinged with a connecting plate, the connecting plate is hinged to the two connecting main rods at its bottom, and the bottom of the left end of the top supporting plate is also hinged with a left reversing rod, and the other end of the left reversing rod is hinged to the left support plate.

[0010] Preferably, the connecting plate is fixedly connected to the two movable plates on its top, a plurality of positioning plates are fixed at the left and right ends of each sliding block, a cleaning rod is slidably connected inside each positioning plate, a cleaning spring is provided outside each cleaning rod, a cleaning block is fixed inside each group of cleaning springs, each cleaning block is tightly fitted with the slide rail inside it, and a stop block is fixed at the left and right ends of each slide rail.

[0011] Preferably, a locking rod positioning plate is fixed on the inner side of each connecting main rod and each main regulating rod, a group of locking rods are slidably connected inside each locking rod positioning plate, a locking spring is provided on the outside of each locking rod, each group of locking rods is fixedly connected to the locking block inside it, the two locking disks are fixedly connected by a plurality of connecting arc plates, a plurality of locking heads are provided on the inner side of each locking disk, a locking plate is fixed on the inner side of each locking head, and the two locking plates are fixedly connected by a locking plate moving rod.

[0012] Preferably, cleaning blocks are also provided at the front and rear ends of the top support plate, each of the cleaning blocks is slidably connected to the cleaning rail outside it, a cleaning reversing motor is fixed to the outside of each cleaning block, each of the cleaning reversing motor is rotatably connected to the outside of a cleaning buckle, each of the cleaning buckles is rotatably connected to the cleaning rod inside it through a rotating shaft, a cleaning motor is fixed to the bottom of each cleaning buckle, each of the cleaning motors is rotatably connected to the cleaning rod at its top, and a cleaning camera is also fixed to the top of each cleaning rod.

[0013] Preferably, a rod changing buckle is fixed at the bottom of each cleaning block, each rod changing buckle is slidably connected to the cleaning rail at its top, each rod changing buckle is rotatably connected to a rod changing block inside, and a rod changing motor is fixed on the outside of each rod changing buckle.

[0014] Preferably, each of the rod changing motors is rotatably connected to the rod changing block inside it, a left rod changing ring is fixed to the left end of each of the rod changing blocks, a right rod changing ring is fixed to the bottom of each of the rod changing blocks, a rod changing groove is fixed to the end of each of the left cleaning shafts and each of the right cleaning shafts, and each of the rod changing grooves can fit tightly with the left rod changing ring and the right rod changing ring at one end thereof.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] (1) The present invention can change the height of the top support plate by connecting the auxiliary rod, the connecting main rod and the positioning rod, so as to support coal mine tunnels of different heights, thereby improving the use range of the equipment. At the same time, the present invention can drive multiple movable plates to move by cooperating with the main control rod and the auxiliary control rod, thereby changing the positions of the positioning rod and the connecting main rod, thereby changing the telescopic ratio of the connecting main rod and the connecting auxiliary rod, thereby improving the support accuracy, thereby changing the lifting range of the left support frame, thereby further improving the use range of the equipment. At the same time, due to the bottom angle sensor and the top angle sensor, the lifting accuracy of the left support frame can be guaranteed, thereby improving the lifting efficiency of the left support frame;

[0017] (2) The present invention can drive the moving main gear and the connecting main gear to rotate through the moving motor, thereby driving the moving sub-gear and the connecting sub-gear to rotate in opposite directions, thereby supporting the entire device, thereby ensuring the stability of the movement of the entire device, thereby preventing the frame from scratching the ground, thereby ensuring the safety of the frame, and thus increasing the service life of the equipment;

[0018] (3) The present invention can drive the rod changing block to rotate through the rod changing motor, so that the left rod changing ring and the right rod changing ring rotate around the rod changing block, so that when the left rod changing ring is clamped in the left end rod changing groove, the right rod changing ring is separated from the right end rod changing groove, so that the left cleaning shaft and the right cleaning shaft work separately, so that any position on the top of the top support plate can be cleaned, thereby improving the cleaning efficiency. At the same time, due to the action of the cleaning reversing motor and the cleaning motor, the cleaning rod can be located outside the top support plate when not working, thereby ensuring the safety of the cleaning rod;

[0019] (4) The present invention can drive the positioning plate to move when the slider moves. At the same time, due to the action of the cleaning rod and the cleaning spring, the cleaning block can be closely attached to the slide rail, thereby cleaning the coal dust on the outer surface of the slide rail, thereby ensuring the safety of the slider and improving the life of the slider. At the same time, the stopper can prevent the slider from moving out of the slide rail, thereby further ensuring the safety of the slider;

[0020] (5) The present invention can position the locking block by cooperating with the locking plate and the locking block, thereby locking the positioning rod, the connecting main rod, and the connecting auxiliary rod, thereby preventing the positioning rod, the connecting main rod, and the connecting auxiliary rod from rotating on their own, thereby ensuring the supporting effect of the top support plate. At the same time, the locking plate can be driven to move by the locking plate moving rod, thereby driving the locking head to move, thereby pushing out the locking block, thereby facilitating the rotation of the locking shaft, thereby ensuring that the locking plate is unlocked when it rotates, thereby improving the locking effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0022] In the attached picture:

[0023] Figure 1 It is an overall schematic diagram of the present invention;

[0024] Figure 2 This is a schematic diagram of the top of the stabilizing plate of the present invention;

[0025] Figure 3 It is a schematic diagram of the positioning rod of the present invention;

[0026] Figure 4 This is a schematic diagram of the bottom of the frame of the present invention;

[0027] Figure 5 For the purpose of the slide rail of the present invention;

[0028] Figure 6 It is a schematic diagram of the outer side of the slider of the present invention;

[0029] Figure 7 It is a schematic diagram of the locking disk of the present invention;

[0030] Figure 8 This is a schematic diagram of the interior of the locking disk of the present invention;

[0031] Fig. 9 This is a schematic diagram of the locking block of the present invention;

[0032] Fig.10 This is a schematic diagram of the bottom of the moving wheel of the present invention;

[0033] Fig.11 This is a schematic diagram of the rear end of the main gear connected to the present invention;

[0034] Fig.12 This is a schematic diagram of the interior of the cleaning rail of the present invention;

[0035] Fig.13 This is a schematic diagram of the outer side of the cleaning block of the present invention;

[0036] Fig.14 It is a bottom schematic diagram of the rod changing block of the present invention.

[0037] In the figure: 2-left support frame; 3-stabilizing plate; 4-moving wheel; 5-cleaning rail; 6-positioning rod; 7-connecting arc plate; 8-moving plate; 9-frame; 201-top support plate; 202-left support plate; 203-lower support plate; 204-top reversing rod; 205-left reversing rod; 301-stabilizing rod; 302-stabilizing shaft; 304-stabilizing plate motor; 305-stabilizing plate positioning buckle; 401-moving wheel positioning plate; 402-moving wheel shaft; 403-moving secondary gear; 404-moving main gear; 405-moving motor; 406-connecting main gear; 407-chain; 408-connecting secondary gear; 501-cleaning rod; 502-cleaning block; 503-left cleaning shaft; 504-right cleaning shaft; 505-cleaning camera; 506-cleaning buckle; 507-cleaning motor; 508-cleaning reversing motor; 509- Rod change buckle; 510-rod change motor; 511-left rod change ring; 512-rod change block; 513-right rod change ring; 514-rod change slot; 601-main control rod; 602-connecting main rod; 603-connecting auxiliary rod; 604-positioning bar; 605-bottom angle sensor; 606-top angle sensor; 607-auxiliary control rod; 608-connecting plate; 701-locking shaft; 702-locking plate; 703-lock Fixed spring; 704-locking plate; 705-locking head; 706-locking plate moving rod; 707-locking block; 708-locking rod; 709-locking rod positioning plate; 801-slider; 802-slide rail; 803-block; 804-positioning plate; 805-cleaning rod; 806-cleaning spring; 807-cleaning block; 901-controller; 902-power supply; 903-connecting buckle; 904-support plate. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0039] Embodiment 1, by Figure 1 , Figure 3-Figure 5 , Figure 7The present invention provides an electric support for coal mines with a stepless adjustable telescopic ratio, including a frame 9, the frame 9 is used to support the entire device, a connecting buckle 903 is fixed to the left end of the frame 9, the connecting buckle 903 facilitates the movement of the entire device, a support plate 904 is fixed to the top of the frame 9, the support plate 904 is made of alloy material, the support plate 904 is used to support the controller 901, the controller 901 is fixed to the top of the support plate 904, the controller 901 is used to control the entire device, a power supply 902 is fixed to the rear of the controller 901, the power supply 902 provides the required energy for the entire device, the front and rear ends of the frame 9 are rotatably connected to the stabilizing plate 3 through the stabilizing plate positioning buckle 305, the stabilizing plate The fixed plate 3 can ensure the stability of the entire equipment. A plurality of stabilizing shafts 302 are slidably connected to the stabilizing plate 3. The stabilizing shafts 302 can ensure the stability of the stabilizing plate 3. A top support plate 201 is provided on the top of the frame 9. The top support plate 201 is used to support the coal mine tunnel. Cleaning rails 5 are fixed to the front and rear ends of the top support plate 201. The cleaning rails 5 are made of alloy material. The cleaning rails 5 are used to position the cleaning blocks 502. A cleaning rod 501 is provided on the outside of each cleaning rail 5. The cleaning rod 501 is made of rubber material. The cleaning rod 501 is used to clean the coal dust on the top of the top support plate 201. A left cleaning shaft 503 is fixed to the bottom of each cleaning rail 5. The left cleaning shaft 503 is retractable. Each of the left cleaning shafts 503 has a right cleaning shaft 504 at the right end fixedly connected to the top support plate 201, and the right cleaning shaft 504 is retractable. The left cleaning shaft 503 and the right cleaning shaft 504 cooperate to enable the cleaning block 502 to move left and right. Two slide rails 802 are provided on the top of the frame 9 and the bottom of the top support plate 201. The slide rails 802 are used to position the slider 801. Each of the slide rails 802 is externally slidably connected to a slider 801, and the slider 801 is used to position the movable plate 8. Each of the sliders 801 is externally fixed with a movable plate 8, and the movable plate 8 is used to position the positioning rod 6. The top of each movable plate 8 at the bottom is rotatably connected to the positioning rod 6, and the positioning rod 6 is made of alloy material. The top of each positioning rod 6 is hinged with a connecting main rod 602, and the connecting main rod 602 is retractable, so as to drive the top support plate 201 to move up and down. The top of each connecting main rod 602 is also hinged with a connecting sub-rod 603 through a locking shaft 701, and the connecting sub-rod 603 is retractable. The connecting sub-rod 603, the connecting main rod 602 and the positioning rod 6 can cooperate to change the height of the top support plate 201. A positioning bar 604 is fixed to the left end of each connecting sub-rod 603, a locking disk 702 is fixed to the inner side of each locking shaft 701, and a locking block 707 is tightly fitted on the outer side of each locking disk 702. The locking disk 702 and the locking block 707 can cooperate to position the locking block 707.Thus, the positioning rod 6, the connecting main rod 602, and the connecting auxiliary rod 603 are locked. The left and right ends of the frame 9 are also provided with moving wheels 4, which facilitate the movement of the entire device.

[0040] Embodiment 2, based on embodiment 1, Figure 2 , Figure 10-11It is given that a plurality of stabilizing rods 301 are also fixed on the top of each stabilizing plate 3, and the stabilizing rods 301 can drive the stabilizing shaft 302 to rotate, and each stabilizing rod 301 is rotatably connected to the stabilizing shaft 302 at its bottom, and a stabilizing plate motor 304 is fixed to the left end of each stabilizing plate positioning buckle 305, and the stabilizing plate motor 304 can drive the stabilizing plate positioning buckle 305 to rotate, and each stabilizing plate motor 304 is rotatably connected to the stabilizing plate 3 at its right end, and the frame body 9 is internally rotatably connected with two moving wheel rotating shafts 402, and the moving wheel rotating shafts 402 are made of alloy material, and the moving wheel rotating shafts 402 are used to position the moving wheel positioning plate 401, and each of the moving wheel rotating shafts 402 is externally fixed with a moving wheel rotating shaft 402. The moving wheel positioning plate 401 is used to position the moving wheel 4. Each of the moving wheel positioning plates 401 is rotatably connected to the moving wheel 4 inside it through a rotating shaft. A moving sub-gear 403 is fixed to the outside of the moving wheel rotating shaft 402 at the left end. The moving sub-gear 403 can drive the moving wheel rotating shaft 402 at the left end to rotate by rotating. The moving sub-gear 403 is meshedly connected with a moving main gear 404. The moving main gear 404 can drive the moving sub-gear 403 to rotate. The rear end of the moving main gear 404 is rotatably connected with a moving motor 405. The moving motor 405 can drive the moving main gear 404 to rotate. The moving motor 405 is fixedly connected to the frame 9. A connecting main gear 406 is fixed at the front end of the driving motor 405, and the right end of the connecting main gear 406 is meshed with a connecting sub-gear 408 through a chain 407. The connecting main gear 406 can drive the connecting sub-gear 408 to rotate through the chain 407. The connecting sub-gear 408 is fixedly connected to the moving wheel shaft 402 at the right end, and the connecting sub-gear 408 can drive the moving wheel shaft 402 at the right end to rotate. A left support frame 2 is hinged at the top of each positioning bar 604, and the left support frame 2 is used to support the top support plate 201. The bottom of the left support frame 2 is rotatably connected to a lower support plate 203, and the lower support plate 203 is used to support the right end of the coal mine tunnel. The top of the left support frame 2 is connected to the top support plate 2 01 is rotatably connected, the left end of the top support plate 201 is rotatably connected to the left support plate 202, the left support plate 202 is used to support the left end of the coal mine tunnel, the inner side of the left support frame 2 is hinged with a top reversing rod 204, the top reversing rod 204 is retractable, thereby driving the top support plate 201 to rotate, the left end of the top reversing rod 204 is hinged to the top support plate 201, the bottom of the top support plate 201 is hinged with a secondary regulating rod 607, the secondary regulating rod 607 is retractable, thereby driving the connecting plate 608 to move, the left end of the secondary regulating rod 607 is hinged with a connecting plate 608, the connecting plate 608 is used to position the top movable plate 8, the connecting plate 608 is hinged to the two connecting main rods 602 at its bottom,The left bottom of the top support plate 201 is also hinged with a left reversing rod 205, and the left reversing rod 205 is retractable, thereby driving the left support plate 202 to rotate, and the other end of the left reversing rod 205 is hinged with the left support plate 202;

[0041] When using this equipment, the staff places the entire device at the desired position. At this time, the controller 901 controls the two stabilizing plate motors 304 to work, thereby driving the stabilizing plate 3 to rotate to the horizontal. Further, the controller 901 controls the multiple stabilizing rods 301 to work, thereby driving the stabilizing shaft 302 to rotate downward, so that the stabilizing shaft 302 is inserted into the ground, thereby ensuring the stability of the stabilizing plate 3, thereby ensuring the stability of the entire device. Further, the controller 901 controls the connecting auxiliary rod 603 and the connecting main rod 602 to work in coordination, thereby driving the left support frame 2 to move up and down. At the same time, the top reversing rod 204 can be extended and retracted to drive the top support plate 201 to rotate, thereby supporting lanes at different angles. Further, the left reversing rod The telescopic movement of 205 can drive the left support plate 202 to rotate, thereby further supporting the coal mine tunnel. When the entire device needs to be moved, the connecting buckle 903 is connected to the left end traction mechanism, and the controller 901 further controls the stabilizing plate 3 to rotate to leave the ground. At this time, the controller 901 controls the moving motor 405 to work, thereby driving the moving main gear 404 and the connecting main gear 406 to work, thereby driving the moving sub-gear 403 and the chain 407 to rotate, so that the two moving wheel shafts 402 rotate inward, so that the moving wheel 4 rotates to be close to the ground while the frame 9 is off the ground, thereby facilitating the movement of the entire device. The traction mechanism can further drive the entire device to move by driving the connecting buckle 903 to move.

[0042] Embodiment 3, based on embodiment 1, Figure 6 , Figure 8-Figure 9 , Figure 12-14It is given that two main regulating rods 601 are fixed inside the frame 9, and the main regulating rods 601 are retractable, so as to drive the bottom movable plate 8 to move. Each main regulating rod 601 is hinged to the movable plate 8 at its left end, and a bottom angle sensor 605 is fixed to the bottom outer end of each positioning rod 6, and the bottom angle sensor 605 can monitor the angle between the positioning rod 6 and the bottom movable plate 8. The bottom of each positioning bar 604 is hinged to the frame 9, and a top angle sensor 606 is fixed to the outside of each connecting main rod 602, and the top angle sensor 606 can monitor the angle between the connecting main rod 602 and the connecting plate 608. The connecting plate 608 is fixed to the two movable plates 8 at its top. The left and right ends of each slider 801 are fixed with a plurality of positioning plates 804, the positioning plates 804 are made of alloy material, the positioning plates 804 are used to position the cleaning rod 805, each of the positioning plates 804 is slidably connected with a cleaning rod 805, each of the cleaning rods 805 is provided with a cleaning spring 806 on the outside, the cleaning spring 806 is elastic, the cleaning rod 805 and the cleaning spring 806 cooperate to make the cleaning block 807 close to the slide rail 802, each group of the cleaning springs 806 is fixed with a cleaning block 807, the cleaning block 807 is made of rubber material, so as to facilitate the cleaning of the coal dust outside the slide rail 802, each cleaning block 807 is connected with the sliding rail 802 inside The rails 802 fit tightly, and each of the left and right ends of the slide rails 802 is fixed with a stopper 803, and the stopper 803 can prevent the slider 801 from moving out of the slide rails 802. A locking rod positioning plate 709 is fixed to the inner side of each connecting main rod 602 and each main regulating rod 601. The locking rod positioning plate 709 is made of alloy material, and the locking rod positioning plate 709 is used to position the locking rod 708. A group of locking rods 708 are slidably connected inside each locking rod positioning plate 709, and a locking spring 703 is provided outside each locking rod 708. The locking spring 703 is elastic, and the locking spring 703 and the locking rod 708 cooperate to make the locking block 707 and the locking plate 70 2, each group of locking rods 708 is fixedly connected to the locking block 707 inside it, and the two locking plates 702 are fixedly connected by a plurality of connecting arc plates 7, and the connecting arc plates 7 are made of alloy material. A plurality of locking heads 705 are provided on the inner side of each locking plate 702, and the locking heads 705 can push out the locking block 707 by moving. A locking plate 704 is fixed on the inner side of each locking head 705, and the locking plate 704 is made of alloy material. The locking plate 704 is used to position the locking head 705. The two locking plates 704 are fixedly connected by a locking plate moving rod 706, and the locking plate moving rod 706 is retractable, thereby driving the locking plate 704 to move.The top support plate 201 is also provided with cleaning blocks 502 at both ends, and the cleaning blocks 502 are made of alloy material. The cleaning blocks 502 are used to position the cleaning reversing motor 508. Each of the cleaning blocks 502 is slidably connected to the cleaning rail 5 outside thereof. A cleaning reversing motor 508 is fixed to the outside of each of the cleaning blocks 502. The cleaning reversing motor 508 can drive the cleaning buckle 506 to rotate. Each of the cleaning reversing motors 508 is rotatably connected to a cleaning buckle 506 outside. The cleaning buckle 506 is used to position the cleaning rod 501. Each of the cleaning buckles 506 is rotatably connected to the cleaning rod 5 inside thereof. 01 is rotatably connected by a rotating shaft, a cleaning motor 507 is fixed at the bottom of each cleaning buckle 506, and the cleaning motor 507 can drive the cleaning rod 501 to rotate, and each cleaning motor 507 is rotatably connected to the cleaning rod 501 at its top, and a cleaning camera 505 is also fixed on the top of each cleaning rod 501, and the cleaning camera 505 is used to monitor the cleaning status of the cleaning rod 501, and a rod-changing buckle 509 is fixed at the bottom of each cleaning block 502, and the rod-changing buckle 509 is used to position the rod-changing block 512, and each rod-changing buckle 509 is slidably connected to the cleaning rail 5 at its top, each The rod-changing buckle 509 is internally rotatably connected with a rod-changing block 512, which is made of alloy material. The rod-changing block 512 is used to position the left rod-changing ring 511. A rod-changing motor 510 is fixed to the outside of each of the rod-changing buckles 509, and the rod-changing motor 510 can drive the rod-changing block 512 to rotate. Each of the rod-changing motors 510 is rotatably connected to the rod-changing block 512 inside it. A left rod-changing ring 511 is fixed to the left end of each of the rod-changing blocks 512, which is made of alloy material. The left rod-changing ring 511 positions the left end of the rod-changing groove 514, thereby positioning the left cleaning shaft 503, a right rod-changing ring 513 is fixed at the bottom of each of the rod-changing blocks 512, and the right rod-changing ring 513 has the same structure as the left rod-changing ring 511. The right rod-changing ring 513 and the left rod-changing ring 511 are installed in a mirror image front and back, and the right rod-changing ring 513 is made of alloy material. The right rod-changing ring 513 is used to locate the rod-changing groove 514 at the right end, so as to locate the right cleaning shaft 504. A rod-changing groove 514 is fixed at the end of each of the left cleaning shaft 503 and each of the right cleaning shaft 504, and each of the rod-changing grooves 514 can be tightly fitted with the left rod-changing ring 511 and the right rod-changing ring 513 at one end thereof;,

[0043] When the height of the top support plate 201 needs to be changed, the controller 901 controls the extension and retraction of the connecting main rod 602 and the connecting sub-rod 603 to drive the top support plate 201 to move up and down. At this time, due to the action of the bottom angle sensor 605 and the top angle sensor 606, the angle between the positioning rod 6 and the bottom movable plate 8 can be monitored, and the angle between the connecting main rod 602 and the connecting plate 608 can be monitored at the same time, so as to ensure the accuracy of the lifting and lowering of the top support plate 201. When the extension and retraction range of the connecting main rod 602 and the connecting sub-rod 603 is not enough, the controller 901 controls the main regulating rod 601 and the sub-regulating rod 607 to work, so as to drive multiple movable plates 8 to move. And drive multiple sliders 801 to move along the slide rail 802. At this time, due to the positioning plate 804, the cleaning block 807 can be moved, so that the coal dust outside the slide rail 802 is cleaned, thereby ensuring the smooth movement of the slider 801. At the same time, due to the cleaning rod 805 and the cleaning spring 806, the cleaning block 807 can be closely attached to the slide rail 802, thereby ensuring the cleaning effect. At the same time, due to the stopper 803, the device can prevent the slider 801 from moving too far. At this time, due to the movement of multiple sliders 801, the telescopic ratio of the connecting main rod 602 and the connecting sub-rod 603 can be changed, thereby increasing the lifting range of the top support plate 201. At the same time, the device is connected When the auxiliary rod 603 is extended and retracted, the locking shaft 701 moves accordingly. At this time, the controller 901 controls the locking plate moving rod 706 to extend, so that the locking plate 704 is in close contact with the locking disk 702, so that the locking head 705 pushes out the locking block 707, thereby facilitating the rotation of the locking shaft 701. When the locking head 705 and the locking plate moving rod 706 detect that the included angle is the required angle, that is, when the top support plate 201 moves to the required height, the controller 901 controls the locking plate moving rod 706 to retract, thereby driving the locking head 705 to move inward. At this time, due to the action of the locking spring 703 and the locking rod 708, multiple locking blocks 707 and the locking plate 708 can be aligned with each other. The locking plate 702 is clamped, so that the relative positions of the positioning rod 6, the connecting main rod 602 and the connecting sub-rod 603 are fixed, thereby preventing the positioning rod 6, the connecting main rod 602 and the connecting sub-rod 603 from rotating, thereby ensuring the supporting stability of the top support plate 201. When the entire device needs to move to the next position, the controller 901 controls the top support plate 201 to descend, and further the controller 901 controls the cleaning reversing motor 508 and the cleaning motor 507 to cooperate, thereby driving the cleaning rod 501 to rotate until it is in close contact with the upper surface of the top support plate 201, and further the controller 901 controls the right cleaning shaft 504 to extend, thereby causing the cleaning block 502 to move to the left.Thus, the coal dust in the left half of the top of the top support plate 201 is cleaned. Further, the controller 901 controls the right cleaning shaft 504 to reset. At this time, the controller 901 controls the rod changing motor 510 to work, thereby driving the rod changing block 512 to rotate, so that the right rod changing ring 513 is separated from the rod changing groove 514 at the right end, and the left rod changing ring 511 is closely attached to the rod changing groove 514 at the left end. Further, the controller 901 controls the left cleaning shaft 503 to extend, so that the right half of the top of the top support plate 201 can be cleaned, thereby ensuring the cleanliness of the top of the top support plate 201, thereby ensuring that the top support plate 201 can be closely attached to the coal mine roadway when supporting next time, thereby ensuring the supporting effect.

[0044] The working process of the present invention is as follows: when using the device, the staff places the entire device at the desired position, at which time the controller 901 controls the two stabilizing plate motors 304 to work, thereby driving the stabilizing plate 3 to rotate to a horizontal position, and further the controller 901 controls the multiple stabilizing rods 301 to work, thereby driving the stabilizing shaft 302 to rotate downward, so that the stabilizing shaft 302 is inserted into the ground, thereby ensuring the stability of the stabilizing plate 3, thereby ensuring the stability of the entire device. When it is necessary to change the height of the top support plate 201, the controller 901 controls the connecting main rod 602 and the connecting auxiliary rod 603 to extend and retract to drive the top support plate 201 to move up and down. At this time, due to the bottom angle sensor 605 and the The top angle sensor 606 can monitor the angle between the positioning rod 6 and the bottom movable plate 8, and can also monitor the angle between the connecting main rod 602 and the connecting plate 608, so as to ensure the accuracy of the lifting and lowering of the top support plate 201. When the telescopic range of the connecting main rod 602 and the connecting auxiliary rod 603 is insufficient, the controller 901 controls the main regulating rod 601 and the auxiliary regulating rod 607 to work, thereby driving the multiple movable plates 8 to move, thereby driving the multiple sliders 801 to move along the slide rail 802. At this time, due to the positioning plate 804, the cleaning block 807 can be moved to clean the coal dust outside the slide rail 802, thereby ensuring the smooth movement of the slider 801. At the same time, due to the cleaning rod 805 and the cleaning spring 806, the cleaning block 807 can be tightly attached to the slide rail 802, thereby ensuring the cleaning effect. At the same time, due to the block 803, the device can prevent the slider 801 from moving too far. At this time, due to the movement of multiple sliders 801, the telescopic ratio of the connecting main rod 602 and the connecting sub-rod 603 can be changed, thereby increasing the lifting range of the top support plate 201. At the same time, when the connecting sub-rod 603 of the device is extended or retracted, the locking shaft 701 follows the movement. At this time, the controller 901 controls the locking plate moving rod 706 to extend, so that the locking plate 704 is tightly attached to the locking disk 702, so that the locking head 705 pushes the locking block 707 When the locking plate 701 is in a state of being moved to a desired height, the controller 901 controls the locking plate moving rod 706 to retract, thereby driving the locking head 705 to move inward. At this time, due to the action of the locking spring 703 and the locking rod 708, the plurality of locking blocks 707 can be clamped with the locking disk 702, thereby fixing the relative positions of the positioning rod 6, the connecting main rod 602 and the connecting secondary rod 603, thereby preventing the positioning rod 6, the connecting main rod 602 and the connecting secondary rod 603 from rotating on their own, thereby ensuring the supporting stability of the top support plate 201.At the same time, the top support plate 201 can be driven to rotate by extending and retracting the top reversing rod 204, so as to support lanes at different angles. The left support plate 202 can be driven to rotate by extending and retracting the left reversing rod 205, so as to further support the coal mine lane. When the entire device needs to move to the next position, the controller 901 controls the top support plate 201 to descend. The controller 901 further controls the cleaning reversing motor 508 and the cleaning motor 507 to cooperate, so as to drive the cleaning rod 501 to rotate until it is in close contact with the upper surface of the top support plate 201. The controller 901 further controls the right cleaning shaft 504 to extend, so as to make the cleaning block 502 move to the left, so as to clean the coal dust in the left half of the top of the top support plate 201. The controller 901 further controls the right cleaning shaft 504 to reset. At this time, the controller 901 controls the rod changing motor 510 to work, so as to drive the rod changing block 512 to rotate, so that the right rod changing ring 513 and the right end of the rod changing ring 513 are in close contact with each other. When the rod groove 514 is disengaged, the left rod-changing ring 511 is closely attached to the rod-changing groove 514 at the left end. Further, the controller 901 controls the left cleaning shaft 503 to extend, so that the right half of the top of the top support plate 201 can be cleaned, thereby ensuring the cleanliness of the top of the top support plate 201, thereby ensuring that the top support plate 201 can be closely attached to the coal mine tunnel when supporting next time, thereby ensuring the supporting effect. Further, the controller 901 controls the stabilizing plate 3 to rotate to be separated from the ground. At this time, the controller 901 controls the moving motor 405 to work, thereby driving the moving main gear 404 and the connecting main gear 406 to work, thereby driving the moving sub-gear 403 and the chain 407 to rotate, thereby causing the two moving wheel shafts 402 to rotate inward, thereby causing the moving wheel 4 to rotate to be close to the ground while causing the frame 9 to be separated from the ground, thereby facilitating the movement of the entire device. Further, the traction mechanism can drive the entire device to move by driving the connecting buckle 903 to move.

[0045] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0046] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coal mine electric support with stepless adjustable telescopic ratio, characterized in that: The invention comprises a frame (9), wherein a connecting buckle (903) is fixed at the left end of the frame (9), a supporting plate (904) is fixed at the top of the frame (9), a controller (901) is fixed at the top of the supporting plate (904), a power supply (902) is fixed at the rear of the controller (901), the front and rear ends of the frame (9) are rotatably connected to a stabilizing plate (3) through a stabilizing plate positioning buckle (305), a plurality of stabilizing shafts (302) are slidably connected to the stabilizing plate (3), a top supporting plate (201) is provided at the top of the frame (9), cleaning rails (5) are fixed at the front and rear ends of the top supporting plate (201), a cleaning rod (501) is provided on the outer side of each cleaning rail (5), a left cleaning shaft (503) is fixed at the bottom of each cleaning rail (5), a right cleaning shaft (504) is provided at the right end of each left cleaning shaft (503) and is connected to the top supporting plate (201) is fixedly connected, the top of the frame body (9) and the bottom of the top support plate (201) are each provided with two slide rails (802), each of the slide rails (802) is slidably connected to a slider (801) on the outside, each of the sliders (801) is fixed with a movable plate (8) on the outside, and each of the movable plates (8) at the bottom is rotatably connected to a positioning rod (6) on the top, each of the positioning rods (6) is hinged with a connecting main rod (602) on the top, and each of the connecting main rods (602) is also hinged with a connecting secondary rod (603) on the top through a locking shaft (701), and a positioning strip (604) is fixed to the left end of each connecting secondary rod (603), a locking disk (702) is fixed to the inner side of each locking shaft (701), and a locking block (707) is tightly fitted on the outer side of each locking disk (702), and movable wheels (4) are also provided at the left and right ends of the frame body (9).

2. The electric support for coal mines with stepless adjustable telescopic ratio according to claim 1, characterized in that: A plurality of stabilizing rods (301) are also fixed on the top of each stabilizing plate (3), and each stabilizing rod (301) is rotatably connected to the stabilizing shaft (302) at its bottom. A stabilizing plate motor (304) is fixed to the left end of each stabilizing plate positioning buckle (305), and each stabilizing plate motor (304) is rotatably connected to the stabilizing plate (3) at its right end.

3. The electric support for coal mines with stepless adjustable telescopic ratio according to claim 1, characterized in that: The frame (9) is internally rotatably connected to two moving wheel shafts (402), each of which is externally fixed with a moving wheel positioning plate (401), and each of which is rotatably connected to the moving wheel (4) therein via a rotating shaft, and a moving sub-gear (403) is externally fixed to the moving wheel shaft (402) at the left end, and the moving sub-gear (403) is meshingly connected to a moving main gear (404), and a moving motor (405) is rotatably connected at the rear end of the moving main gear (404), and the moving motor (405) is fixedly connected to the frame (9), and a connecting main gear (406) is fixedly connected at the front end of the moving motor (405), and the right end of the connecting main gear (406) is meshingly connected to a connecting sub-gear (408) via a chain (407), and the connecting sub-gear (408) is fixedly connected to the moving wheel shaft (402) at the right end.

4. The electric support for coal mines with stepless adjustable telescopic ratio according to claim 3, characterized in that: Two main regulating rods (601) are fixed inside the frame (9), each of the main regulating rods (601) is hinged to the movable plate (8) at its left end, a bottom angle sensor (605) is fixed to the bottom outer end of each positioning rod (6), the bottom of each positioning bar (604) is hinged to the frame (9), and a top angle sensor (606) is fixed to the outer side of each connecting main rod (602).

5. The electric support for coal mines with stepless adjustable telescopic ratio according to claim 4, characterized in that: The top of each positioning bar (604) is hinged to a left support frame (2), the bottom of the left support frame (2) is rotatably connected to a lower support plate (203), the top of the left support frame (2) is rotatably connected to the top support plate (201), the left end of the top support plate (201) is rotatably connected to the left support plate (202), the inner side of the left support frame (2) is hinged to a top reversing rod (204), the left end of the top reversing rod (204) is hinged to the top support frame (2), and the left end of the top reversing rod (204) is rotatably connected to the top support frame (201). The support plate (201) is hinged, and a secondary regulating rod (607) is hinged at the bottom of the top support plate (201). The left end of the secondary regulating rod (607) is hinged to a connecting plate (608). The connecting plate (608) is hinged to the two connecting main rods (602) at its bottom. The left end of the top support plate (201) is also hinged to a left reversing rod (205), and the other end of the left reversing rod (205) is hinged to the left support plate (202).

6. The electric support for coal mines with stepless adjustable telescopic ratio according to claim 5, characterized in that: The connecting plate (608) is fixedly connected to the two movable plates (8) on its top, and a plurality of positioning plates (804) are fixed to the left and right ends of each slider (801), and a cleaning rod (805) is slidably connected inside each positioning plate (804), and a cleaning spring (806) is provided outside each cleaning rod (805), and a cleaning block (807) is fixed inside each group of cleaning springs (806), and each cleaning block (807) is tightly fitted with the slide rail (802) inside it, and a stopper (803) is fixed to the left and right ends of each slide rail (802).

7. The electric support for coal mines with stepless adjustable telescopic ratio according to claim 6, characterized in that: A locking rod positioning plate (709) is fixed on the inner side of each connecting main rod (602) and each main regulating rod (601); a group of locking rods (708) are slidably connected inside each locking rod positioning plate (709); a locking spring (703) is provided outside each locking rod (708); each group of locking rods (708) is fixedly connected to the locking block (707) inside it; the two locking plates (702) are fixedly connected via a plurality of connecting arc plates (7); a plurality of locking heads (705) are provided on the inner side of each locking plate (702); a locking plate (704) is fixedly connected to the inner side of each locking head (705); and the two locking plates (704) are fixedly connected via a locking plate moving rod (706).

8. The electric support for coal mines with stepless adjustable telescopic ratio according to claim 4, characterized in that: The top support plate (201) is also provided with cleaning blocks (502) at the front and rear ends, each of the cleaning blocks (502) is slidably connected to the cleaning rail (5) outside thereof, each of the cleaning blocks (502) is fixed with a cleaning reversing motor (508) outside thereof, each of the cleaning reversing motors (508) is rotatably connected with a cleaning buckle (506) outside thereof, each of the cleaning buckles (506) is rotatably connected to the cleaning rod (501) inside thereof via a rotating shaft, a cleaning motor (507) is fixed to the bottom of each of the cleaning buckles (506), each of the cleaning motors (507) is rotatably connected to the cleaning rod (501) at the top thereof, and a cleaning camera (505) is also fixed to the top of each of the cleaning rods (501).

9. The electric support for coal mines with stepless adjustable telescopic ratio according to claim 8, characterized in that: A rod-changing buckle (509) is fixed at the bottom of each cleaning block (502), and each rod-changing buckle (509) is slidably connected to the cleaning rail (5) at its top, and a rod-changing block (512) is rotatably connected inside each rod-changing buckle (509), and a rod-changing motor (510) is fixed outside each rod-changing buckle (509).

10. The electric support for coal mines with stepless adjustable telescopic ratio according to claim 9, characterized in that: Each of the rod-changing motors (510) is rotatably connected to the rod-changing block (512) inside thereof; a left rod-changing ring (511) is fixed to the left end of each of the rod-changing blocks (512); a right rod-changing ring (513) is fixed to the bottom of each of the rod-changing blocks (512); a rod-changing groove (514) is fixed to the end of each of the left cleaning shafts (503) and each of the right cleaning shafts (504); and each of the rod-changing grooves (514) can be tightly fitted with the left rod-changing ring (511) and the right rod-changing ring (513) at one end thereof.

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