Inclined shaft sliding-down safety protection device

Abstract

The utility model discloses an inclined shaft sliding car safety protection device which comprises a sliding rail, supporting rods which are symmetrical left and right are arranged in the middle of the lower end of the sliding rail, a mounting box is arranged between the upper ends of the two supporting rods, and the inclined shaft sliding car safety protection device further comprises an emergency braking mechanism. The emergency braking mechanism comprises guide rods, sliding plates, supporting rods, extrusion strips, sliding grooves and check blocks, the left-right symmetrical guide rods are fixedly connected between the front inner wall and the rear inner wall of the mounting box, the front-back symmetrical sliding plates are slidably connected between the two guide rods, and the outer side ends of the sliding plates are fixedly connected with the evenly-distributed supporting rods correspondingly; according to the inclined shaft sports car safety protection device, when the inclined shaft sports car is subjected to safety protection, wheels of the inclined shaft sports car are extruded, so that the friction force of the wheels of the inclined shaft sports car is increased, the safety of the inclined shaft sports car is improved, and the safety of the inclined shaft sports car is improved. And the inclined shaft sliding car can be better intercepted, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inclined shaft runaway car safety protection, in particular to an inclined shaft runaway car safety protection device. BACKGROUND

[0002] With the continuous progress of modern technology, roadway mining technology is paid more and more attention in construction, especially in the safety performance of roadway mining technology. It is more important. It has been widely used in highway railway, water conservancy and hydropower, coal mine, metallurgy, construction industry and other fields. In order to obtain safe production, safety measures are installed in the roadway of coal mine. In the long-term construction of the inclined shaft in the coal mine, the inclined shaft is set to increase the working face. The inclined shaft runaway car safety protection device is an important safety equipment for preventing mine car from sliding down due to broken rope, unhooking and other reasons in mine inclined shaft lifting transportation;

[0003] The existing authorization announcement No. CN218477501U, a kind of inclined shaft runaway car safety protection device, including the archway frame of being straddled on car rail, the inner side of archway frame side frame is provided with sliding slot. The sliding slot of the inner side of the archway frame is slidably provided with sliding mounting frame, the elastic intercepting belt between the sliding mounting frame can intercept the runaway mine car, the upward displacement of sliding mounting frame is driven by linear motor, the mover seat of linear motor is fixedly installed mounting frame, the mounting frame is fixed with sliding mounting frame by electromagnet A, for driving sliding mounting frame upward displacement, when sliding mounting frame and the crossbeam of archway frame are attached, control electromagnet B is electrified, sliding mounting frame can be fixed on the crossbeam of archway frame, when speed sensor detects that mine car overspeed, electromagnet B is de-energized, sliding mounting frame falls rapidly, realizes the interception to mine car, the protection device, reaction is quick, and the interception effect is good;

[0004] The existing inclined shaft runaway car safety protection device has the following problems: when the inclined shaft runaway car is protected, the single intercepting belt is used for interception. When the inclined shaft runaway car slides down at a high speed, the intercepting belt may be broken, which is not convenient to use. Therefore, we propose an inclined shaft runaway car safety protection device. UTILITY MODEL CONTENTS

[0005] The utility model solves the technical problem of overcoming the defects of the prior art, provides an inclined shaft runaway car safety protection device, which can increase the friction of the wheels of the inclined shaft runaway car by extruding the wheels of the inclined shaft runaway car when protecting the inclined shaft runaway car, better intercept the inclined shaft runaway car, and is convenient to use, which can effectively solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: an inclined shaft runaway car safety protection device, comprising a sliding rail, the lower end of the sliding rail is provided with left and right symmetrical supporting rods, the upper ends of the two supporting rods are provided with a mounting box, and further comprising an emergency brake mechanism.

[0007] The emergency brake mechanism comprises guide rods, sliding plates, support rods, extrusion strips, sliding grooves and stoppers, left and right symmetrical guide rods are fixedly connected between the front and rear inner walls of the mounting box, front and rear symmetrical sliding plates are slidably connected between the two guide rods, the outer side ends of the sliding plates are fixedly connected with uniformly distributed support rods respectively, the outer side ends of three transversely adjacent support rods are fixedly connected with extrusion strips respectively, the outer surfaces of the extrusion strips are provided with uniformly distributed friction protrusions respectively, the inner side right ends of the extrusion strips are provided with sliding grooves respectively, and the sliding grooves are slidably connected with stoppers respectively.

[0008] Further, the outer portion of the sliding rail is provided with a single-chip microcomputer, and the input end of the single-chip microcomputer is electrically connected with an external power supply to provide electrical connection for various electrical appliances.

[0009] Further, the emergency brake mechanism further comprises dampers and springs, the right ends of the extrusion strips are provided with support plates respectively, the right ends of the stoppers and the left ends of the transversely adjacent support plates are fixedly connected with dampers respectively, and the outer portions of the dampers are respectively sleeved with springs to provide damping.

[0010] Further, the emergency brake mechanism further comprises a driving assembly, the driving assembly comprises a bidirectional screw rod, the bidirectional screw rod is rotationally connected to the middle portion between the front and rear inner walls of the mounting box, and the front and rear ends of the bidirectional screw rod are respectively screw-connected with the threaded holes in the middle portions of the lower ends of the vertically adjacent sliding plates to provide rotational connection.

[0011] Further, the driving assembly further comprises a worm and a worm wheel, the mounting box is rotationally connected with the worm at the bottom wall, and the middle portion of the bidirectional screw rod is fixedly sleeved with the worm wheel, the worm is meshingly connected with the worm wheel to provide rotational connection.

[0012] Further, the driving assembly further comprises a motor, the mounting box is provided with the motor at the lower end, the output shaft of the motor is fixedly connected with the lower end of the worm, and the input end of the motor is electrically connected with the output end of the single-chip microcomputer to provide rotational driving.

[0013] Further, the left side of the front end of the sliding rail is provided with a support, the upper end of the support is provided with a speed meter, and the speed meter is bidirectionally electrically connected with the single-chip microcomputer to facilitate speed detection.

[0014] Compared with the prior art, the inclined shaft car safety protection device has the following advantages:

[0015] The support rod is driven by the extruding strip to extrude the inclined shaft racing car wheel under the drive of the motor, the meshed worm gear and the two-way screw rod and the threaded slide plate, and then the friction force of the inclined shaft racing car is increased by the friction block, so that the inclined shaft racing car is blocked, and under the damping of the damper and the spring, the inclined shaft racing car is stopped from sliding, and when the inclined shaft racing car is protected, the wheel of the inclined shaft racing car is extruded to increase the friction force of the wheel of the inclined shaft racing car, so that the inclined shaft racing car is better blocked, and the inclined shaft racing car is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of the utility model;

[0017] Figure 2 It is a structure schematic view of the utility model;

[0018] Figure 3 It is a structure schematic view of the utility model;

[0019] Figure 4 It is an enlarged structure schematic view of the utility model at A;

[0020] Figure 5 It is an enlarged structure schematic view of the utility model at B.

[0021] In the figure: 1 sliding rail, 2 support rod, 3 installation box, 4 support, 5 speed tester, 6 single-chip microcomputer, 7 emergency brake mechanism, 71 drive assembly, 711 motor, 712 worm, 713 worm gear, 714 two-way screw rod, 72 guide rod, 73 slide plate, 74 support rod, 75 extruding strip, 76 sliding groove, 77 damper, 78 spring, 79 stop block, 8 support plate, 9 friction block. DETAILED DESCRIPTION

[0022] 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, rather than 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.

[0023] Please refer to Figures 1-5The embodiment provides a technical scheme: a safety protection device for an inclined shaft runaway car, which comprises a slide rail 1, left and right symmetrical supporting rods 2 arranged in the middle of the lower end of the slide rail 1, and a mounting box 3 arranged between the upper ends of the two supporting rods 2, further comprises an emergency braking mechanism 7, an external power supply is electrically connected to the input end of a single-chip microcomputer 6 arranged outside the slide rail 1, a support 4 is arranged on the left side of the front end of the slide rail 1, a speedometer 5 is arranged at the upper end of the support 4, the speedometer 5 is bidirectionally electrically connected to the single-chip microcomputer 6, when the inclined shaft runaway car is out of control and slides down due to reasons such as rope breakage and unhooking during transportation, the inclined shaft runaway car rapidly slides down at the upper end of the slide rail 1, when the inclined shaft runaway car passes through the speedometer 5, the speedometer 5 monitors the speed of the inclined shaft runaway car and transmits detection data to the single-chip microcomputer 6, and the single-chip microcomputer 6 integrates information;

[0024] The emergency brake mechanism 7 comprises guide rods 72, sliding plates 73, support rods 74, extrusion strips 75, sliding grooves 76 and stop blocks 79, the front and rear inner walls of the mounting box 3 are fixedly connected with left-right symmetrical guide rods 72, the front and rear symmetrical sliding plates 73 are slidably connected between the two guide rods 72, the outer side ends of the sliding plates 73 are fixedly connected with uniformly distributed support rods 74 respectively, the outer side ends of three transversely adjacent support rods 74 are fixedly connected with extrusion strips 75 respectively, the outer surfaces of the extrusion strips 75 are provided with uniformly distributed friction protrusions 9 respectively, the inner side faces of the right ends of the extrusion strips 75 are provided with sliding grooves 76 respectively, the sliding grooves 76 are slidably connected with stop blocks 79 respectively, the emergency brake mechanism 7 further comprises dampers 77 and springs 78, the right ends of the extrusion strips 75 are provided with support plates 8 respectively, the right ends of the stop blocks 79 and the left ends of the transversely adjacent support plates 8 are fixedly connected with dampers 77 respectively, the outer parts of the dampers 77 are sleeved with springs 78 respectively, the emergency brake mechanism 7 further comprises a driving assembly 71, the driving assembly 71 comprises a bidirectional screw rod 714, the middle part between the front and rear inner walls of the mounting box 3 is rotatably connected with the bidirectional screw rod 714, the front and rear ends of the bidirectional screw rod 714 are threadedly connected with the threaded holes in the middle parts of the lower ends of the vertically adjacent sliding plates 73 respectively, the driving assembly 71 further comprises a worm 712 and a worm wheel 713, the bottom wall of the mounting box 3 is rotatably connected with the worm 712, the middle part of the outer wall of the bidirectional screw rod 714 is fixedly sleeved with the worm wheel 713, the worm 712 is meshingly connected with the worm wheel 713, the driving assembly 71 further comprises a motor 711, the lower end of the mounting box 3 is provided with the motor 711, the output shaft upper end of the motor 711 is fixedly connected with the lower end of the worm 712, the input end of the motor 711 is electrically connected with the output end of the single-chip microcomputer 6, when the motor 711 operates simultaneously after the inclined shaft car passes through the speed measuring instrument 5, the output shaft of the motor 711 drives the worm 712 to rotate, the worm 712 rotates to drive the bidirectional screw rod 714 to rotate through the meshing worm wheel 713, the bidirectional screw rod 714 rotates to drive the threaded sliding plate 73 to move between the two guide rods 72 to the outer side end, and then the extrusion strip 75 drives the support rod 74 to pressurize the inclined shaft car wheels respectively, the inclined shaft car wheels will make the speed of the inclined shaft car slowly slide down under the friction of the friction protrusions 9, and then the inclined shaft car wheels will stop sliding down under the damping buffer of the damper 77 and the spring 78.

[0025] The working principle of the safety protection device for the inclined shaft car is as follows: when the inclined shaft car slides downward uncontrollably due to reasons such as rope breakage and unhooking during transportation, the inclined shaft car rapidly slides downward at the upper end of the slide rail 1, when the inclined shaft car passes the speedometer 5, the speedometer 5 monitors the speed of the inclined shaft car, transmits the detection data to the single-chip microcomputer 6, the single-chip microcomputer 6 integrates the information, and controls the single-chip microcomputer 6, when the inclined shaft car passes the speedometer 5, the motor 711 operates simultaneously, the output shaft of the motor 711 drives the worm 712 to rotate, the worm 712 rotates to drive the bidirectional screw rod 714 to rotate through the meshed worm wheel 713, the bidirectional screw rod 714 rotates to drive the threaded sliding plate 73 to move to the outer end between the two guide rods 72, and then the supporting rod 74 drives the extrusion strip 75 to pressurize the inclined shaft car wheels respectively, the inclined shaft car wheels slide downward slowly under the friction of the friction blocks 9, and then the inclined shaft car wheels stop sliding downward under the damping buffer of the damper 77 and the spring 78.

[0026] It is worth noting that the speedometer 5 and the motor 711 disclosed in the above embodiment can be selected as AC6000 and 5Ik12RGU-CF respectively, and the single-chip microcomputer 6 controls the working of the speedometer 5 and the motor 711 by using the method commonly used in the prior art.

[0027] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation by using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A safety protection device for a trolley in an inclined shaft, comprising a slide rail (1), wherein the lower end of the slide rail (1) is provided with symmetrical support rods (2), and a mounting box (3) is provided between the upper ends of the two support rods (2), characterized in that: It also includes an emergency braking mechanism (7); Emergency braking mechanism (7): It includes guide rod (72), slide plate (73), support rod (74), extrusion strip (75), slide groove (76) and stop block (79). The front and rear inner walls of the mounting box (3) are fixedly connected with left and right symmetrical guide rods (72). The two guide rods (72) are slidably connected with front and rear symmetrical slide plates (73). The outer ends of the slide plates (73) are fixedly connected with evenly distributed support rods (74). The outer ends of the three horizontally adjacent support rods (74) are fixedly connected with extrusion strips (75). The outer surface of the extrusion strips (75) is provided with evenly distributed friction protrusions (9). The right end of the inner side of the extrusion strips (75) is provided with slide grooves (76). The inside of the slide grooves (76) is slidably connected with stop blocks (79).

2. The inclined shaft runaway safety protection device according to claim 1, characterized in that: The slide rail (1) is equipped with a microcontroller (6) on its exterior, and the input terminal of the microcontroller (6) is electrically connected to an external power source.

3. The inclined shaft trolley safety protection device according to claim 2, characterized in that: The emergency braking mechanism (7) also includes a damper (77) and a spring (78). The right end of the compression bar (75) is provided with a support plate (8). The right end of the stop block (79) and the left end of the horizontally adjacent support plate (8) are respectively fixedly connected with a damper (77). The damper (77) is respectively fitted with a spring (78).

4. The inclined shaft trolley safety protection device according to claim 3, characterized in that: The emergency braking mechanism (7) further includes a drive assembly (71), which includes a two-way lead screw (714). The two-way lead screw (714) is rotatably connected between the front and rear inner walls of the mounting box (3). The front and rear ends of the two-way lead screw (714) are respectively threaded to the threaded holes at the lower end of the vertically adjacent slide plate (73).

5. The inclined shaft trolley safety protection device according to claim 4, characterized in that: The drive assembly (71) also includes a worm (712) and a worm wheel (713). The bottom wall of the mounting box (3) is rotatably connected to the worm (712), and the outer wall of the middle part of the bidirectional lead screw (714) is fixedly sleeved with the worm wheel (713). The worm (712) and the worm wheel (713) are meshed and connected.

6. The inclined shaft trolley safety protection device according to claim 5, characterized in that: The drive assembly (71) also includes a motor (711). The lower end of the mounting box (3) is provided with a motor (711). The upper end of the output shaft of the motor (711) is fixedly connected to the lower end of the worm (712). The input end of the motor (711) is electrically connected to the output end of the microcontroller (6).

7. A safety protection device for runaway vehicles in an inclined shaft according to claim 2, characterized in that: A bracket (4) is provided on the left side of the front end of the slide rail (1), and a speed measuring instrument (5) is provided on the upper end of the bracket (4). The speed measuring instrument (5) is bidirectionally electrically connected to the microcontroller (6).

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