Remote control locking device of heading machine
By installing limit switches on the second transport trolley of the tunneling machine and limit switches on the tail slide, the tunneling machine can be automatically stopped, solving the problem of the second transport trolley derailing and improving safety and production efficiency.
Patent Information
- Application Number
- CN202520458332.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-17
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-17
AI Technical Summary
The existing tunneling machine failed to lock in time when the second transport vehicle reached the end of the machine, resulting in derailment and increasing production risks.
Limit switches are installed on the second transport carriage of the tunneling machine, and limit switches are installed on the tail slide. The contact between the limit switches and the limit switches automatically controls the tunneling machine to change from a normally closed switch to a normally open switch, thereby achieving automatic shutdown.
It effectively solves the safety risks caused by manual control and improves operational safety and efficiency.
Smart Images

Figure CN223881178U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of heading machine locking control, especially relates to a heading machine remote control locking device. BACKGROUND
[0002] In the process of heading, the heading machine is used in cooperation with a scraper conveyor and a belt conveyor to transport the coal in the heading face to the total belt conveyor in the heading roadway, and then to the ground. The existing heading machine connected with the belt conveyor is overlapped on the total belt conveyor, and the walking pulley at the bottom of the belt conveyor is supported on the tail slide of the total belt conveyor. When the heading machine runs forward or backward, the belt conveyor moves back and forth on the tail slide of the total belt conveyor.
[0003] At present, the heading machine control switch is controlled manually. When the belt conveyor runs to the end of the tail slide, it cannot be found in time to control the locking, which may cause the belt conveyor to fall off the track, and the production risk is high, which is not conducive to safety production. Therefore, the utility model provides a heading machine remote control locking device to solve the problems in the prior art. UTILITY MODEL CONTENT
[0004] In view of the above problems, the utility model provides a heading machine remote control locking device. A travel switch is arranged on a first support on the belt conveyor of the heading machine, and a limiting stopper adapted to the position of the travel switch is arranged on a second support on the tail slide. When the travel switch contacts the limiting stopper, a control signal is transmitted to the control switch of the heading machine to automatically control the control switch of the heading machine to change from normally closed to normally open, and the heading machine is automatically stopped.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] A heading machine remote control locking device comprises a first support arranged on the belt conveyor of the heading machine and a second support arranged on the tail slide of the tail slide of the total belt conveyor. The first support and the second support are each provided with two groups. The two groups of first supports are respectively arranged on the front and rear ends of the wheel support on one side of the belt conveyor of the heading machine. The two groups of second supports are respectively arranged on the front and rear ends of the top of the tail slide on one side. A travel switch is detachably arranged on the first support. A limiting stopper is arranged on the second support. The limiting stopper is adapted to the position of the travel switch, and the limiting stopper is electrically connected with the control switch of the heading machine.
[0007] Further improvement is that a first fixing hole is arranged on the first support, and the travel switch is detachably arranged on the first fixing hole through a first fixing bolt.
[0008] Further improvement lies in that the second support top is provided with a stand, one side of the top of the stand is provided with a top plate, and the bottom of the top plate is provided with a dust cleaning mechanism.
[0009] Further improvement lies in that the dust cleaning mechanism comprises mounting plates, arc-shaped mounting seats and sponges, the mounting plates are symmetrically arranged at the bottom of the top plate, arc-shaped mounting seats are arranged on the inner walls of the two groups of mounting plates, a dust cleaning area formed between the two groups of arc-shaped mounting seats is adapted to the position of the contact rod of the travel switch, and sponges are arranged on the inner walls of the arc-shaped mounting seats.
[0010] Further improvement lies in that the top plate is provided with a soot blowing mechanism, the soot blowing mechanism comprises a gas pump and a soot blowing pipe, the gas pump is installed at one end of the top plate, the top is provided below the soot blowing pipe, and the soot blowing pipe is connected with the output end of the gas pump.
[0011] Further improvement lies in that the second support is provided with a second fixing hole, a second fixing bolt is arranged in the second fixing hole, and the second support is connected with the top of the tail slide through the second fixing bolt.
[0012] The utility model discloses a beneficial effect is: the utility model discloses a first support on the second transport car of the heading machine is provided with a travel switch, then the second support on the tail slide is provided with the limiter of position adaptation with the travel switch, when the travel switch contacts the limiter, control signal is sent to the control switch of the heading machine, realizes the control switch of automatic control heading machine and makes from normally closed to normally open, and the heading machine realizes automatic shutdown, can effectively solve the drawback problem of manual control, reduces the security risk in the production process, improves operation safety performance and operation efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is the utility model structure three -dimensional schematic diagram;
[0014] Figure 2 It is the utility model travel switch installation structure three -dimensional schematic diagram;
[0015] Figure 3 It is the utility model dust cleaning mechanism installation structure three -dimensional schematic diagram.
[0016] Among them: 1, the second transport car of the heading machine;101, wheel support;2, first support;3, tail slide;4, second support;5, travel switch;6, limiter;7, stand;8, top plate;9, mounting plate;10, arc-shaped mounting seat;11, sponge;12, gas pump;13, soot blowing pipe. DETAILED DESCRIPTION
[0017] In order to deepen the understanding of the utility model, the utility model will be further described below in combination with examples, and the examples are only used to explain the utility model and do not constitute a limitation on the protection scope of the utility model.
[0018] Example one
[0019] According to Figures 1-2 As shown in the figure, the embodiment provides a kind of heading machine remote control locking device, including the first support 2 of installation on heading machine two transport car 1 and including the second support 4 of installation on total belt conveyor self-moving tailstock tailstock slide 3, the first support 2 and second support 4 are equipped with two groups, two groups the first support 2 is respectively installed on the front and rear ends of one side wheel support 101 of heading machine two transport car 1, two groups the second support 4 is respectively installed on the front and rear ends of the top of one side tailstock slide 3, the first support 2 is detachably installed with travel switch 5, the second support 4 is equipped with limit stop 6, the limit stop 6 is position adaptation with travel switch 5, and the limit stop 6 is electrically connected with the control switch of heading machine.
[0020] The utility model discloses a heading machine remote control locking device when running, when heading machine two transport car 1 runs to the tailstock slide 3 end of total belt conveyor self-moving tailstock, the contact rod of corresponding position travel switch 5 after meeting corresponding position limit stop 6, control switch act, control switch normally closed changes normally open, realizes automatic shutdown.
[0021] The first support 2 is equipped with first fixed hole, and the travel switch 5 is detachably installed with first fixed hole by first fixed bolt.The second support 4 is equipped with second fixed hole, and the second fixed hole is equipped with second fixed bolt, and the second support 4 is connected with the top of tailstock slide 3 by second fixed bolt.
[0022] Example two
[0023] According to Figures 1-3 As shown in the figure, the embodiment provides a kind of heading machine remote control locking device, including the first support 2 of installation on heading machine two transport car 1 and including the second support 4 of installation on total belt conveyor self-moving tailstock tailstock slide 3, the first support 2 and second support 4 are equipped with two groups, two groups the first support 2 is respectively installed on the front and rear ends of one side wheel support 101 of heading machine two transport car 1, two groups the second support 4 is respectively installed on the front and rear ends of the top of one side tailstock slide 3, the first support 2 is detachably installed with travel switch 5, the second support 4 is equipped with limit stop 6, the limit stop 6 is position adaptation with travel switch 5, and the limit stop 6 is electrically connected with the control switch of heading machine.
[0024] The second bracket 4 has a stand 7 on top, and a top plate 8 on one side of the top of the stand 7. A dust-cleaning mechanism is located at the bottom of the top plate 8. The dust-cleaning mechanism includes a mounting plate 9, an arc-shaped mounting seat 10, and a sponge 11. The mounting plates 9 are symmetrically arranged at the bottom of the top plate 8. Arc-shaped mounting seats 10 are provided on the inner walls of both sets of mounting plates 9. The dust-cleaning area formed between the two sets of arc-shaped mounting seats 10 is adapted to the position of the contact rod of the limit switch 5. A sponge 11 is provided on the inner wall of the arc-shaped mounting seat 10. This invention, by setting a dust-cleaning mechanism, can clean the contact rod of the limit switch 5. In underground coal mines, excessive dust accumulation on the contact rod can easily cause the limit switch 5 to malfunction when triggering the limit switch 6. This invention, by setting the arc-shaped mounting seat 10 and the sponge 11, can wipe and clean the contact rod of the limit switch 5 when it enters the two sets of sponges 11, preventing its failure.
[0025] The top plate 8 is equipped with a dust-blowing mechanism, which includes an air pump 12 and a dust-blowing pipe 13. The air pump 12 is installed at one end of the top plate 8, and the dust-blowing pipe 13 is located below the top, connected to the output end of the air pump 12. By setting up the dust-blowing mechanism, dust can be blown away using the dust-blowing pipe 13 before the contact rod enters the wiping area of the sponge 11, ensuring the subsequent cleaning quality of the sponge 11.
[0026] This invention involves installing a limit switch 5 on the first support 2 of the second transport carriage 1 of a tunneling machine, and then installing a limit switch 6 on the second support 4 of the tail slide 3, which is adapted to the position of the limit switch 5. When the limit switch 5 contacts the limit switch 6, the control signal is transmitted to the control switch of the tunneling machine, thereby automatically controlling the control switch of the tunneling machine to change from normally closed to normally open, and the tunneling machine to stop automatically. This effectively solves the drawbacks of manual control, reduces the safety risks in the production process, and improves the safety performance and efficiency of operation.
[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A remote control locking device for a heading machine, comprising a first bracket (2) mounted on a second running trolley (1) of the heading machine and a second bracket (4) mounted on a tail ramp (3) of a self-moving tail of a main belt conveyor, characterized in that: The first support (2) and the second support (4) are each provided with two groups, two groups of the first support (2) are respectively installed on the front and rear ends of the wheel support (101) on one side of the roadheader two-conveying vehicle (1), and two groups of the second support (4) are respectively installed on the front and rear ends of the top of the tail slide (3) of the roadheader, a travel switch (5) is detachably installed on the first support (2), a limit stop (6) is arranged on the second support (4), the limit stop (6) is positionally matched with the travel switch (5), and the limit stop (6) is electrically connected with the control switch of the roadheader.
2. The remote control locking device for a heading machine according to claim 1, characterized in that: The first support (2) is provided with a first fixing hole, and the travel switch (5) is detachably installed on the first support (2) through a first fixing bolt.
3. The remote control locking device for a heading machine according to claim 1, characterized in that: The top of the second support (4) is provided with a vertical seat (7), one side of the top of the vertical seat (7) is provided with a top plate (8), and the bottom of the top plate (8) is provided with a dust cleaning mechanism.
4. The remote control locking device of the heading machine according to claim 3, characterized in that: The dust cleaning mechanism comprises a mounting plate (9), an arc-shaped mounting seat (10) and a sponge (11), the mounting plate (9) is symmetrically arranged at the bottom of the top plate (8), the arc-shaped mounting seat (10) is arranged on the inner side wall of each of the two groups of mounting plates (9), and the dust cleaning area formed between the two groups of arc-shaped mounting seats (10) is positionally matched with the contact rod of the travel switch (5), and the sponge (11) is arranged on the inner side wall of the arc-shaped mounting seat (10).
5. The remote control locking device of the heading machine according to claim 3, characterized in that: The top plate (8) is provided with a soot blowing mechanism, the soot blowing mechanism comprises a gas pump (12) and a soot blowing pipe (13), the gas pump (12) is installed at one end of the top plate (8), the soot blowing pipe (13) is arranged below the top, and the soot blowing pipe (13) is connected with the output end of the gas pump (12).
6. The remote control locking device of the heading machine according to claim 1, characterized in that: The second support (4) is provided with a second fixing hole, a second fixing bolt is arranged in the second fixing hole, and the second support (4) is connected with the top of the tail slide (3) through the second fixing bolt.