Linkage rope locking device for underground air door of coal mine

Abstract

The utility model relates to the technical field of rope locking devices, and discloses a linkage rope locking device for an underground air door of a coal mine, which comprises a support, a ventilation pipe, a fixing rod and a fixing plate are respectively and fixedly assembled on the outer wall of the support, a baffle is rotatably connected to the outer wall of the fixing plate, and straight plates are fixedly assembled on the outer walls of the two sides of the support. According to the rope tightening device, through the arrangement of the structure of the support, the ventilation pipe, the motor, the winding wheel, the rope, a gear, a tooth groove, a sliding plate, a limiting rod, a limiting shell and a first reset spring, in the using process of the rope tightening device, a user can make the winding wheel conduct winding operation on the rope through operation of the motor, and therefore the effect that the length of the rope is automatically controlled to adjust the communication state of the ventilation pipe is achieved; according to the rope tightening device, manual operation of a user is not needed, automation of the rope tightening device is improved, meanwhile, the sliding plate abuts against the tooth groove to prevent the winding wheel from loosening, and then the rope winding effect and stability of the rope tightening device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rope locking device, concretely to a kind of interlocking rope tightener for underground coal mine air door. BACKGROUND

[0002] Air door is important ventilation facility in underground coal mine, once failure occurs, it can cause a large amount of air leakage or wind flow short circuit, affect the stability of mine ventilation, threaten the ventilation safety of mine, thus need to use a kind of ventilation air door and interlocking rope tightener.

[0003] The existing rope tightener can wind and release rope during use, but usually needs manual operation to control the length of rope, so as to realize the ventilation and wind blocking operation of air door, thereby reducing the automation of existing interlocking rope tightener, and therefore a kind of interlocking rope tightener for underground coal mine air door is provided. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides an interlocking rope tightener for underground coal mine air door, which has the advantages of automatic winding and releasing of rope, easy operation and high stability, and solves the problems raised in the above background art.

[0005] The utility model provides the following technical scheme: an interlocking rope tightener for underground coal mine air door, comprising a support, the outer wall of the support is respectively fixedly assembled with a ventilation pipe, a fixing rod and a fixing plate, the outer wall of the fixing plate is rotatably connected with a baffle, the outer walls of both sides of the support are fixedly assembled with straight plates, the outer wall of the straight plate is fixedly assembled with a motor, the output shaft of the motor is fixedly assembled with a gear, the outer wall of the straight plate is rotatably connected with a winding wheel, the outer wall of the winding wheel is provided with a gear slot, the outer wall of the straight plate is fixedly assembled with a controller, the middle part of the winding wheel is wound with a rope, the outer wall of the support is fixedly assembled with an iron ring, the outer wall of the support is rotatably connected with a wire guide wheel, the outer wall of the straight plate is respectively fixedly assembled with a positioning plate and a limiting rod, the outer wall of the positioning plate is provided with a reset spring one, the outer wall of the limiting rod is rotatably connected with a limiting shell, the middle part of the limiting shell is provided with a mounting groove, the inner wall of the mounting groove is fixedly assembled with a straight rod, the outer wall of the straight rod is sleeved with a reset spring two, the outer wall of the straight rod is slidably connected with an electromagnet, the outer wall of the electromagnet is fixedly assembled with a sliding plate, and the top of the inner wall of the mounting groove is fixedly assembled with a strong magnet.

[0006] As a preferred technical scheme of the utility model: the outer wall of the electromagnet is slidably connected with the inner wall of the mounting groove, the number of electromagnets is four, four electromagnets are divided into two groups, and two groups are symmetrically distributed along the outer wall of the sliding plate.

[0007] As a preferred technical scheme of the utility model: one end of the reset spring away from the positioning plate is in abutment with the outer wall of the limiting shell, and the tail end of the sliding plate is in abutment with the inner wall of the gear slot.

[0008] As a preferred technical scheme of the utility model: the motor and the electromagnet are electrically connected with the controller, and the outer wall of the gear is in engagement with the inner wall of the gear slot.

[0009] As a preferred technical scheme of the utility model: the outer wall of the rope is in rolling connection with the middle part of the wire guide wheel, and the tail end of the rope is fixedly connected with the outer wall of the iron ring.

[0010] As a preferred technical scheme of the utility model: the outer wall of the gear is in rotary connection with the outer wall of the straight plate, and the electromagnet is in opposite attraction with the strong magnet after being electrified.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1、The interlocking rope tightener for the mine underground air door, through the structure of the support, the ventilation pipe, the motor, the winding wheel, the rope, the gear, the gear slot, the sliding plate, the limiting rod, the limiting shell and the reset spring one, the tightener can be used in the use process, the user can make the winding wheel wind the rope through the operation of the motor, so that the length of the rope is automatically controlled to adjust the ventilation pipe connection state, without manual operation, improve the automation of the tightener, and the sliding plate is in abutment with the gear slot to avoid the loosening of the winding wheel, thereby improving the winding effect and stability of the tightener.

[0013] 2、The interlocking rope tightener for the mine underground air door, through the structure of the strong magnet, the reset spring two, the electromagnet, the straight rod and the limiting shell, after the ventilation pipe completes the ventilation operation, the user can make the strong magnet and the electromagnet opposite attraction through the electrification of the electromagnet, so that the reset spring two is compressed and the sliding plate is retracted into the limiting shell, so that the limiting effect of the winding wheel disappears, the motor can drive the winding wheel to rotate reversely and release the rope, thereby ensuring that the subsequent use of the tightener is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 It is a side view structure schematic view of the utility model;

[0016] Figure 3 It is a winding wheel structure schematic view of the utility model;

[0017] Figure 4 It is a partial sectional structure schematic view of the utility model;

[0018] Figure 5 The utility model discloses Figure 4 The enlarged structure schematic diagram of A place in the middle.

[0019] In the drawing: 1, support; 2, ventilation pipe; 3, fixed rod; 4, fixed plate; 5, baffle; 6, straight plate; 7, winding wheel; 8, tooth groove; 9, gear; 10, controller; 11, iron ring; 12, motor; 13, rope; 14, wire guide wheel; 15, positioning plate; 16, reset spring one; 17, strong magnet; 18, sliding plate; 19, limiting rod; 20, straight rod; 21, electromagnet; 22, limiting shell; 23, mounting groove; 24, reset spring two. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Please refer to Figures 1-5 A kind of interlock tightener for coal mine underground air door, including support 1, the outer wall of support 1 is respectively fixedly equipped with ventilation pipe 2 and fixed rod 3 and fixed plate 4, the outer wall of fixed plate 4 is rotatably connected with baffle 5, the outer wall of both sides of support 1 is fixedly equipped with straight plate 6, the outer wall of straight plate 6 is fixedly equipped with motor 12, the output shaft of motor 12 is fixedly equipped with gear 9, the outer wall of straight plate 6 is rotatably connected with winding wheel 7, the outer wall of winding wheel 7 is equipped with tooth groove 8, the outer wall of straight plate 6 is fixedly equipped with controller 10, the middle part of winding wheel 7 is wound with rope 13, the outer wall of support 1 is fixedly equipped with iron ring 11, the outer wall of support 1 is rotatably connected with wire guide wheel 14, the outer wall of straight plate 6 is respectively fixedly equipped with positioning plate 15 and limiting rod 19, the outer wall of positioning plate 15 is equipped with reset spring one 16, the outer wall of limiting rod 19 is rotatably connected with limiting shell 22, the middle part of limiting shell 22 is equipped with mounting groove 23, the inner wall of mounting groove 23 is fixedly equipped with straight rod 20, the outer wall of straight rod 20 is sleeved with reset spring two 24, the outer wall of straight rod 20 is slidably connected with electromagnet 21, the outer wall of electromagnet 21 is fixedly equipped with sliding plate 18, the top of mounting groove 23 inner wall is fixedly equipped with strong magnet 17.

[0022] The structure, through the setting of the bracket 1, the ventilation pipe 2, the fixed rod 3, the fixed plate 4, the baffle 5, the straight plate 6, the winding wheel 7, the tooth groove 8, the gear 9, the controller 10, the iron ring 11 and the motor 12, makes the device in the process of use, the operator can control the motor 12 through the controller 10, so that the gear 9 rotates and engages with the winding wheel 7, so that the winding wheel 7 rotates and winds the rope 13, without manual operation, improves the practicability of the device, and cooperates with the sliding plate 18 to limit the winding wheel 7, avoids the loosening of the winding wheel 7, and improves the locking effect of the device on the rope 13.

[0023] In a preferred embodiment: the outer wall of the electromagnet 21 is in sliding connection with the inner wall of the mounting groove 23, the number of electromagnets 21 is four, the four electromagnets 21 are divided into two groups, and the two groups are symmetrically distributed along the outer wall of the sliding plate 18.

[0024] The structure, through the setting of the two sliding plates 18, makes the device in the process of operation utilize the two sliding plates 18 to lock the winding wheel 7, so as to avoid the loosening of the rope 13 after winding due to the reverse rotation of the winding wheel 7, and to ensure the normal operation of the device, so that the ventilation pipe 2 can be continuously ventilated.

[0025] In a preferred embodiment: the end of the reset spring 16 away from the positioning plate 15 is in abutment with the outer wall of the limiting shell 22, and the end of the sliding plate 18 is in abutment with the inner wall of the tooth groove 8.

[0026] The structure, through the setting of the reset spring 16, makes the rotation of the winding wheel 7 during winding of the rope 13 cause the sliding plate 18 and the limiting shell 22 to rotate, so that the sliding plate 18 does not interfere with the winding operation of the winding wheel 7, and the sliding plate 18 can limit the winding wheel 7 after the winding operation is completed, thereby improving the stability of the winding wheel 7 and the locking effect of the device on the rope 13, and improving the precise cooperation of the internal components of the device.

[0027] In a preferred embodiment: the motor 12 and the electromagnet 21 are electrically connected with the controller 10, and the outer wall of the gear 9 is in engagement with the inner wall of the tooth groove 8.

[0028] In the structure, after the ventilation operation, the user can control the controller 10 to make the electromagnet 21 energized, so that the electromagnet 21 and the strong magnet 17 attract each other to compress the return spring 24, so that the sliding plate 18 is retracted, the limiting effect of the winding wheel 7 disappears, the output shaft of the motor 12 can rotate reversely to release the rope 13, and the effect of blocking the ventilation pipe 2 is realized, the automation of the device is improved, and the user can operate more conveniently.

[0029] In a preferred embodiment: the outer wall of the rope 13 is in rolling connection with the middle part of the guide wheel 14, and the end of the rope 13 is fixedly connected with the outer wall of the iron ring 11.

[0030] In the structure, the rope 13 is fixed by the iron ring 11, so that the rope 13 between the iron ring 11 and the guide wheel 14 can be distributed in a V shape, thereby realizing the effect of automatically controlling the ventilation state of the ventilation pipe 2, and the device has the characteristics of convenient operation, and the practicality of the device is further improved.

[0031] In a preferred embodiment: the outer wall of the gear 9 is in rolling connection with the outer wall of the straight plate 6, and the electromagnet 21 is attracted to the strong magnet 17 after being energized.

[0032] In the structure, the electromagnet 21 can move towards the strong magnet 17 after being energized, thereby realizing the effect of automatically retracting the sliding plate 18 to avoid interference with the reverse rotation of the winding wheel 7, and facilitating the user to release the rope 13 to block the ventilation pipe 2.

[0033] Working principle: first, the user installs the device, and then controls the motor 12 through the controller 10 to make the gear 9 engage with the winding wheel 7 to wind the rope 13, and the winding wheel 7 will squeeze the sliding plate 18 during rotation to make the sliding plate 18 and the limiting shell 22 rotate, thereby ensuring that the strong magnet 17 can continuously wind the rope 13, and the automatic winding mode does not need to be manually operated. After winding, the winding wheel 7 cannot rotate reversely due to the blocking of the sliding plate 18, so it will not loosen, which improves the locking effect of the device on the rope 13. After the ventilation operation is completed, the user can energize the electromagnet 21 to make the electromagnet 21 and the strong magnet 17 attract each other, thereby compressing the return spring 24 to realize automatic retraction of the sliding plate 18 without interfering with the reverse rotation of the winding wheel 7, thereby ensuring that the rope 13 can be released to block the ventilation pipe 2, and ensuring that the subsequent use of the device will not be affected.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An interlock tightener for use with an underground mine air door, comprising a bracket (1), characterised in that: The outer wall of the support (1) is respectively fixedly provided with a ventilation pipe (2), a fixed rod (3) and a fixed plate (4), the outer wall of the fixed plate (4) is rotatably connected with a baffle (5), the outer wall of the support (1) is fixedly provided with a straight plate (6) on both sides, the outer wall of the straight plate (6) is fixedly provided with a motor (12), the output shaft of the motor (12) is fixedly provided with a gear (9), the outer wall of the straight plate (6) is rotatably connected with a winding wheel (7), the outer wall of the winding wheel (7) is provided with a gear slot (8), the outer wall of the straight plate (6) is fixedly provided with a controller (10), the middle part of the winding wheel (7) is wound with a rope (13), the outer wall of the support (1) is fixedly provided with an iron ring (11), the outer wall of the support (1) is rotatably connected with a wire guide wheel (14), the outer wall of the straight plate (6) is respectively fixedly provided with a positioning plate (15) and a limiting rod (19), the outer wall of the positioning plate (15) is provided with a reset spring (16), the outer wall of the limiting rod (19) is rotatably connected with a limiting shell (22), the middle part of the limiting shell (22) is provided with a mounting groove (23), the inner wall of the mounting groove (23) is fixedly provided with a straight rod (20), the outer wall of the straight rod (20) is sleeved with a reset spring (24), the outer wall of the straight rod (20) is slidably connected with an electromagnet (21), the outer wall of the electromagnet (21) is fixedly provided with a sliding plate (18), and the top of the inner wall of the mounting groove (23) is fixedly provided with a strong magnet (17).

2. An interlock tightener for use with an air door in a coal mine, according to claim 1, wherein: The outer wall of the electromagnet (21) is slidably connected with the inner wall of the mounting groove (23), the number of the electromagnet (21) is four, the four electromagnets (21) are divided into two groups, and the two groups are symmetrically distributed along the outer wall of the sliding plate (18).

3. An interlock tightener for use with an air door in a coal mine, according to claim 1, wherein: The end, away from the positioning plate (15), of the reset spring (16) abuts against the outer wall of the limiting shell (22), and the tail end of the sliding plate (18) abuts against the inner wall of the gear slot (8).

4. An interlock tightener for use with an air door in a coal mine, according to claim 1, wherein: The motor (12) and the electromagnet (21) are electrically connected with the controller (10), and the outer wall of the gear (9) is engaged with the inner wall of the gear slot (8).

5. An interlock tightener for use with an air door in a coal mine, according to claim 1, wherein: The outer wall of the rope (13) is rollingly connected with the middle part of the wire guide wheel (14), and the tail end of the rope (13) is fixedly connected with the outer wall of the iron ring (11).

6. An interlock tightener for use with an air door in a coal mine, according to claim 1, wherein: The outer wall of the gear (9) is rotatably connected with the outer wall of the straight plate (6), and the electromagnet (21) is attracted to the strong magnet (17) after being electrified.

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