Mining adjustable rail sliding block air door device
By designing an adjustable track slider air door device for mining, the automatic opening and closing of the air door is achieved by using a motor to drive the screw slider. This solves the problems of air source dependence and safety hazards of existing mining air doors, and improves the intelligence and ease of modification of the equipment.
Patent Information
- Application Number
- CN202520495210.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing mine ventilation door structures suffer from problems such as high dependence on air source, high cost, high technical threshold, difficulty in modification, and safety hazards. Furthermore, the large torque of swing door actuators makes them unsuitable for use in mine ventilation doors.
An adjustable track slider damper device is adopted, including a door frame, door leaf, door opener, motor, lead screw, slide rail, slider, connecting rod and control device. The automatic opening and closing of the door is realized by the motor driving the lead screw slider. Combined with magnetic switch and single-chip microcomputer control, intelligent management of the damper is realized.
It achieves automatic opening and closing of air doors, ensuring safety and reliability, reducing maintenance costs, and is highly adaptable, suitable for various air door modifications, thus improving the intelligence level of downhole equipment.
Smart Images
Figure CN223854301U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a mine adjustable track sliding block air door device belongs to mine air door technical field. BACKGROUND
[0002] In the field of mine air door, in order to ensure the ventilation inside the coal mine, and the convenient access of people and materials, people design air door structure under the coal mine, thereby realizing the normal and orderly excavation operation in the coal mine. The existing air door structure adopts pneumatic control, can realize automatic closure, thereby bringing convenience for people's access, but is subject to the opening mode of the current air door, the pneumatic air door has the defects of high requirement for gas source, relatively high cost, high integration, high technical threshold, great difficulty in transformation and dependence on external gas source.
[0003] And in other fields, the automatic door opener technology of sliding door is relatively mature, but most of the door openers of the vertical hinged door use multi-stage gears to increase torque to realize the opening and closing of the door, the torque is very large, there is certain safety hazard, and the design of such large torque increases the maintenance cost in the later period, which is not suitable for use in mine air door. CONTENT OF THE UTILITY MODEL
[0004] In view of the deficiency of prior art, the purpose of the utility model is to provide a mine adjustable track sliding block air door device which can automatically open and close the door leaf and is safe and reliable.
[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme, a mine adjustable track sliding block air door device, including door frame, door leaf and door opener, the door opener includes first sliding rail, second sliding rail, motor, lead screw, lead screw block, sliding rail block, short connecting rod and long connecting rod, one end of the first sliding rail and the second sliding rail is hinged, the free end of the first sliding rail is provided with a motor, the first sliding rail is also provided with a lead screw along the length direction through the bearing, one end of the lead screw is connected with the motor, the lead screw block is connected on the lead screw through thread, the sliding rail block is slidingly installed in the second sliding rail, one end of the short connecting rod is hinged on the hinged end of the first sliding rail, one end of the long connecting rod is hinged on the lead screw block, the other end of the short connecting rod and the long connecting rod is hinged on the sliding rail block.
[0006] The second sliding rail is fixed on the top of the door frame, and the free end of the first sliding rail is connected with the free side of the door leaf through a hinge.
[0007] Preferably, the hinge comprises a first base, a second base, a first rotating rod and a second rotating rod, the first base is fixed on the first sliding rail, the second base is fixed on the door leaf, one end of the first rotating rod is hinged on the first base, the other end is hinged with one end of the second rotating rod, and the other end of the second rotating rod is hinged with the second base.
[0008] Preferably, the utility model still includes control device that controls motor start-stop and positive and negative rotation.
[0009] Preferably, the control device includes first magnetic switch, second magnetic switch and singlechip, and first magnetic switch and second magnetic switch are fixed in first sliding rail, and are located at both sides of screw block respectively, the screw block is permanent magnet, and the position of first magnetic switch and second magnetic switch respectively corresponds the position of screw block when door leaf opens completely and closes completely, and the singlechip is connected with first magnetic switch, second magnetic switch and motor through control circuit.
[0010] Preferably, the utility model still includes open-stop sensor for monitoring fan start-stop state, and the open-stop sensor is connected with singlechip through signal line.
[0011] The door frame is provided with a button for opening the door leaf on both sides.
[0012] Compared with the prior art, the utility model has the following beneficial effects.
[0013] 1、The overall volume of the utility model is more compact than the volume of the prior art, and the hinge structure that can be compensated, the screw that can be cut and the sliding rail that can be spliced are used, so that the adaptability is strong, and when the utility model is applied to the scene of reforming the existing air door, it is more rapid and convenient.
[0014] 2、The main body structure in the utility model is a crank slider mechanism, which is more labor-saving than the existing mainstream technology as a labor-saving structure, saves electric energy and has more mechanical advantages.
[0015] 3、The motor and the screw are used as main power elements in the utility model, and compared with the common electrically controlled air cylinder, have the advantages of high positioning accuracy, high efficiency, low noise and stable operation. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating creative labor.
[0017] Figure 1 It is a plan view of the utility model under the condition that the door leaf is half open.
[0018] Figure 2 It is Figure 1 A sectional view.
[0019] Figure 3 It is a plan view of the utility model under the condition that the door leaf is closed.
[0020] Figure 4 is a sectional view. Figure 3
[0021] Figure 5 is a bottom view of the utility model in the door leaf half open state.
[0022] Figure 6 is a bottom view of the utility model in the door leaf closed state.
[0023] In the drawing: 1 is door frame, 2 is door leaf, 3 is first slide rail, 4 is second slide rail, 5 is motor, 6 is screw rod, 7 is screw rod slider, 8 is slide rail slider, 9 is short connecting rod, 10 is long connecting rod, 11 is hinge, 12 is first base, 13 is second base, 14 is first rotating rod, 15 is second rotating rod, 16 is first magnetic switch, 17 is second magnetic switch, 18 is single-chip microcomputer. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model are clearly and completely described in combination with the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0025] It should be understood that the structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification for understanding and reading by those skilled in the art, and are not used to limit the implementation conditions of the utility model, so they do not have technical substantive significance. Any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model. It should be noted that in the specification, relationship terms such as first and second are only used to distinguish one entity from another entity, and do not necessarily require or imply any actual relationship or order between the entities.
[0026] The utility model provides the following embodiments.
[0027] As Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, this utility model discloses a mine adjustable track slider air door device, including a door frame 1, a door leaf 2, and a door opener. The door opener includes a first slide rail 3, a second slide rail 4, a motor 5, a lead screw 6, a lead screw slider 7, a slide rail slider 8, a short connecting rod 9, and a long connecting rod 10. One end of the first slide rail 3 is hinged to one end of the second slide rail 4. The motor 5 is installed in the free end of the first slide rail 3. The lead screw 6 is also installed in the first slide rail 3 along the length direction through a bearing. One end of the lead screw 6 is connected to the motor 5. The lead screw slider 7 is threadedly connected to the lead screw 6. The slide rail slider 8 is slidably installed in the second slide rail 4. One end of the short connecting rod 9 is hinged to the hinged end of the first slide rail 3. One end of the long connecting rod 10 is hinged to the lead screw slider 7. The other ends of the short connecting rod 9 and the long connecting rod 10 are both hinged to the slide rail slider 8.
[0028] The second slide rail 4 is fixed to the top of the door frame 1, and the free end of the first slide rail 3 is connected to the free side of the door leaf 2 by a hinge 11.
[0029] In the above structure, when fixing the door opener to the door frame 1 and the door leaf 2, it is best to position the hinge axis of the door opener directly above the hinge axis of the door leaf 2. During operation, the short connecting rod 9 and the long connecting rod 10, driven by the lead screw slider 7, can control the rotation of the door leaf 2 to achieve the opening and closing actions. The short connecting rod 9 increases the strength and stability of the overall structure; it eliminates the structural dead point of the slide rail slider 8, avoiding potential orientation errors of the slide rail slider 8 caused by the opening angle of the door leaf 2; in addition, the short connecting rod 9 can also structurally limit the opening angle of the door leaf 2, acting as a limiting mechanism.
[0030] like Figure 5 , Figure 6 As shown, the hinge 11 includes a first base 12, a second base 13, a first rotating rod 14, and a second rotating rod 15. The first base 12 is fixed on the first slide rail 3, and the second base 13 is fixed on the door leaf 2. One end of the first rotating rod 14 is hinged to the first base 12, and the other end is hinged to one end of the second rotating rod 15. The other end of the second rotating rod 15 is hinged to the second base 13.
[0031] The hinge 11 described above can compensate for the displacement between the free end of the first slide rail 3 and the free side of the door leaf 2, so that the opening and closing process can proceed smoothly.
[0032] This utility model also includes a control device for controlling the start, stop, forward and reverse rotation of the motor 5.
[0033] like Figure 2 , Figure 4As shown, the control device comprises a first magnetic switch 16, a second magnetic switch 17 and a single-chip microcomputer 18, the first magnetic switch 16 and the second magnetic switch 17 are fixed in the first sliding rail 3 and are located at two sides of the screw block 7 respectively, the screw block 7 is a permanent magnet, the positions of the first magnetic switch 16 and the second magnetic switch 17 correspond to the positions of the screw block 7 when the door leaf 2 is fully opened and fully closed respectively, and the single-chip microcomputer 18 is connected with the first magnetic switch 16, the second magnetic switch 17 and the motor 5 through a control circuit.
[0034] The utility model discloses still include for monitoring fan start -stop state's open -stop sensor, the open -stop sensor is connected with single -chip microcomputer 18 through signal line.
[0035] The utility model discloses still include for monitoring fan start -stop state's open -stop sensor, the open -stop sensor is connected with single -chip microcomputer 18 through signal line.
[0036] The utility model discloses still include for monitoring fan start -stop state's open -stop sensor, the open -stop sensor is connected with single -chip microcomputer 18 through signal line.
[0037] The utility model discloses still include for monitoring fan start -stop state's open -stop sensor, the open -stop sensor is connected with single -chip microcomputer 18 through signal line.
[0038] The utility model discloses still include for monitoring fan start -stop state's open -stop sensor, the open -stop sensor is connected with single -chip microcomputer 18 through signal line.
[0039] The utility model discloses still include for monitoring fan start -stop state's open -stop sensor, the open -stop sensor is connected with single -chip microcomputer 18 through signal line.
[0040] When the downhole fan is started, the opening and stopping sensor sends a signal to the single-chip microcomputer 18, the single-chip microcomputer 18 controls the motor 5 to start, drives the screw rod 6 to rotate, the screw rod sliding block 7 moves from the free end to the hinged end of the first sliding rail 3, the door leaf 2 is slowly opened under the support of the short connecting rod 9 and the long connecting rod 10, when the screw rod sliding block 7 moves to the first magnetic switch 16, the door leaf 2 is completely opened, the first magnetic switch 16 sends a signal to the single-chip microcomputer 18, the single-chip microcomputer 18 controls the motor 5 to stop, and the opening operation of the door leaf 2 is completed. When the downhole fan is stopped, the opening and stopping sensor sends a signal to the single-chip microcomputer 18, the single-chip microcomputer 18 controls the motor 5 to start reversely, drives the screw rod 6 to rotate reversely, the screw rod sliding block 7 moves reversely, the door leaf 2 is slowly closed under the drive of the short connecting rod 9 and the long connecting rod 10, when the screw rod sliding block 7 moves to the second magnetic switch 17, the door leaf 2 is just completely closed, the second magnetic switch 17 sends a signal to the single-chip microcomputer 18, the single-chip microcomputer 18 controls the motor 5 to stop, and the closing operation of the door leaf 2 is completed. In this way, the automatic opening and closing of the air door along with the start and stop of the fan are realized.
[0041] When the air door is closed, and personnel need to pass, the door opening button on the door frame 1 is pressed, the motor 5 starts, drives the screw rod 6 to rotate, the screw rod sliding block 7 moves from the free end to the hinged end of the first sliding rail 3, the door leaf 2 is slowly opened under the support of the short connecting rod 9 and the long connecting rod 10, when the screw rod sliding block 7 moves to the first magnetic switch 16, the door leaf 2 is completely opened, the first magnetic switch 16 sends a signal to the single-chip microcomputer 18, the single-chip microcomputer 18 controls the motor 5 to stop, and the opening operation of the door leaf 2 is completed. At the same time when the motor 5 stops, the timer function of the single-chip microcomputer 18 starts timing, after reaching the set time, the motor 5 is controlled to start reversely, drives the screw rod 6 to rotate reversely, the screw rod sliding block 7 moves reversely, the door leaf 2 is slowly closed under the drive of the short connecting rod 9 and the long connecting rod 10, when the screw rod sliding block 7 moves to the second magnetic switch 17, the door leaf 2 is just completely closed, the second magnetic switch 17 sends a signal to the single-chip microcomputer 18, the single-chip microcomputer 18 controls the motor 5 to stop, and the closing operation of the door leaf 2 is completed. In this way, the automatic opening and closing of the air door when personnel pass through are realized.
[0042] The above is only the preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A mine adjustable track shoe damper device, characterized by: The utility model relates to a door opening device, which comprises a door frame (1), a door leaf (2) and a door opening device, the door opening device comprises a first sliding rail (3), a second sliding rail (4), a motor (5), a lead screw (6), a lead screw slider (7), a sliding rail slider (8), a short connecting rod (9) and a long connecting rod (10), the first sliding rail (3) is hinged to one end of the second sliding rail (4), a motor (5) is installed in the free end of the first sliding rail (3), a lead screw (6) is installed in the first sliding rail (3) through a bearing along the length direction, one end of the lead screw (6) is connected with the motor (5), the lead screw slider (7) is connected on the lead screw (6) through a thread, the sliding rail slider (8) is slidingly installed in the second sliding rail (4), one end of the short connecting rod (9) is hinged to the hinged end of the first sliding rail (3), one end of the long connecting rod (10) is hinged to the lead screw slider (7), the other ends of the short connecting rod (9) and the long connecting rod (10) are hinged to the sliding rail slider (8); The second sliding rail (4) is fixed on the top of the door frame (1), and the free end of the first sliding rail (3) is connected with the free side of the door leaf (2) through a hinge (11).
2. An adjustable track shoe damper device for mining as claimed in claim 1 wherein: The hinge (11) comprises a first base (12), a second base (13), a first rotating rod (14) and a second rotating rod (15), the first base (12) is fixed on the first sliding rail (3), the second base (13) is fixed on the door leaf (2), one end of the first rotating rod (14) is hinged to the first base (12), the other end is hinged to one end of the second rotating rod (15), and the other end of the second rotating rod (15) is hinged to the second base (13).
3. An adjustable track shoe damper device for mining as claimed in claim 1 or 2 wherein: The utility model also comprises a control device for starting and stopping and reversing the motor (5).
4. A mine adjustable track shoe damper device according to claim 3, characterised in that: The control device comprises a first magnetic switch (16), a second magnetic switch (17) and a single-chip microcomputer (18), the first magnetic switch (16) and the second magnetic switch (17) are fixed in the first sliding rail (3) and are respectively located on the two sides of the lead screw slider (7), the lead screw slider (7) is a permanent magnet, the positions of the first magnetic switch (16) and the second magnetic switch (17) respectively correspond to the positions of the lead screw slider (7) when the door leaf (2) is fully opened and fully closed, and the single-chip microcomputer (18) is connected with the first magnetic switch (16), the second magnetic switch (17) and the motor (5) through a control circuit.
5. An adjustable track shoe damper device for mining as claimed in claim 4 wherein: The utility model also comprises an opening and stopping sensor for monitoring the starting and stopping state of the fan, and the opening and stopping sensor is connected with the single-chip microcomputer (18) through a signal line.
6. A mine adjustable track shoe damper device according to claim 4 or 5, characterised in that: The door frame (1) is provided with a button for controlling the opening of the door leaf (2) on both sides.