CN221188549U

CN221188549U - Pneumatic normally closed car stopping device for lifting and transporting underground mine inclined roadway

Info

Publication number: CN221188549U
Application number: CN202323503581.4U
Authority: CN
Inventors: 毛湘武; 张鹏飞; 毛南翔
Original assignee: Yangquan Huaruiyuan Machinery Manufacturing Co ltd
Current assignee: Yangquan Huaruiyuan Machinery Manufacturing Co ltd
Priority date: 2023-12-21
Filing date: 2023-12-21
Publication date: 2024-06-21
Anticipated expiration: 2033-12-21

Abstract

The utility model discloses a pneumatic normally-closed car blocking device for lifting and transporting underground mine inclined roadways, and relates to the technical field of coal mine transportation machinery and processing. The combined linkage locking device comprises a pneumatic gear transmission car arrester, a pneumatic car stop bar, a pneumatic control box and a signal device, wherein the car arrester and the pneumatic car stop bar can realize a combined linkage locking function according to a set position, the pneumatic gear transmission car arrester, the pneumatic car stop bar, the pneumatic control box and the signal device are controlled by the pneumatic control box, and the signal device is used for displaying the state of the whole device and sending out voice prompts. The car arrester comprises an air cylinder, a crank structure, a heavy collision block, a sector gear and two pinions, and the opening or closing of the car arrester is realized by driving the gears to rotate through the air cylinder. The pneumatic car stop comprises a cylinder, a car stop, a vertical rope guiding wheel device, a double rope guiding wheel device and a cylinder push rod wheel set. The utility model can effectively prevent the accident of sliding and running; the installation is convenient, and the operation is convenient; the unconnected vehicles can be prevented from sliding into the inclined roadway; preventing the unhooked vehicles from continuing to run downwards after passing through the slope changing point; preventing illegal overslung vehicles.

Description

Pneumatic normally closed car stopping device for lifting and transporting underground mine inclined roadway

Technical Field

The utility model relates to the technical field of coal mine transportation machinery and processing, in particular to a pneumatic normally closed car blocking device for lifting and transporting underground mine inclined roadways.

Background

In the prior art, the following problems exist in the underground transportation system: such as an overslung vehicle, or an unconnected vehicle, or a vehicle with a failure of a connecting piece such as a rope, a ring, a pin and the like, and a great amount of potential safety hazards exist in the process of walking under a mine, so that a vehicle can slip or run, and safety accidents are caused. With the gradual upgrade of the standards of the rail-type transportation control system of the mine, new requirements are put forward for the upgrade and reconstruction of the control facilities of the transportation system, and the existing car stop device needs to be improved according to the new requirements and the existing potential safety hazards so as to solve the problems.

Disclosure of Invention

The utility model provides a pneumatic normally closed car blocking device for lifting and transporting underground mine inclined roadways, which aims to solve the problem that potential safety hazards of sliding or running of vehicles exist in underground mine vehicles and the requirement of safety production needs to be improved.

The utility model is realized by the following technical scheme: the utility model provides a mine underground inclined roadway promotes transportation pneumatic normal close car stopping device, includes pneumatic gear drive car arrester, pneumatic car stopping fence, pneumatic control box and signal device, and pneumatic gear drive car arrester and pneumatic car stopping fence can realize combination linkage shutting function according to the position of settlement, and both are controlled by pneumatic control box, and signal device is used for showing the state of whole device, sends the voice prompt simultaneously.

The pneumatic gear transmission car arrester comprises a box body, wherein a cylinder I is arranged at the right side of the bottom in the box body, which is clung to the front wall, through a cylinder fixing seat, and the cylinder I is a power device of the pneumatic gear transmission car arrester. The piston rod of cylinder I stretches out to the left, the tip of piston rod passes through cylinder adapter sleeve and cylinder pull rod round pin hub connection in the cylinder pull rod, the end connection of cylinder pull rod is in crank connecting rod one end, the crank connecting rod other end is connected in the crank axle outside end, the crank axle is installed in the left end of bearing frame II, and when cylinder I pulled the cylinder pull rod, crank connecting rod made the crank axle rotate, and the inboard end of crank axle is connected with sector gear, so sector gear also rotates. The bearing seat II is arranged on the inner bottom surface of the box body, the bearing seat I is further arranged on the inner bottom surface of the rear side of the box body, and a pinion shaft I and a pinion shaft II are connected between the bearing seat I and the bearing seat II and are respectively used for installing the pinion I and the pinion II. The pinion shaft I and the pinion shaft II are parallel and have the same structure, and are arranged on the bearing seat I and the bearing seat II through corresponding bearings, the pinion shaft I is sleeved with the pinion I, the pinion shaft II is sleeved with the pinion II, the left side of the pinion I is meshed with the sector gear, and the right side of the pinion I is meshed with the pinion II; and bearing covers are arranged on the outer sides of bearings at two ends of the pinion shaft I and the pinion shaft II. When the sector gear rotates clockwise, pinion I rotates counterclockwise, and pinion II rotates clockwise; when the sector gear rotates anticlockwise, the pinion I rotates clockwise, and the pinion II rotates anticlockwise, so that no matter how the sector gear rotates, the pinion I and the pinion II rotate in opposite directions, and accordingly the corresponding collision block pull rod is driven to rotate in opposite directions.

The left part and the right part of the box body are respectively provided with a Z-shaped heavy collision block, the two heavy collision blocks are symmetrical in structure, and the upper part is a main collision point; a bump shaft penetrates through the lower inflection point of each heavy bump, each bump shaft is mounted on the box body through a corresponding bump bearing seat, and the bump shaft penetrates through the bump bearing seat and the heavy bump; the collision block bearing seat is step-shaped and symmetrical, the inner end of the collision block bearing seat is high, the outer end of the collision block bearing seat is low, and a yielding slot hole for the heavy collision block to rotate is formed in the middle of the collision block bearing seat body; the two collision block bearing seats are respectively fastened on the left part and the right part of the box body through four mounting bolts; the high inner end of the collision block bearing seat is a connecting end with the rail, the low outer end is clamped at the left and right outer top of the box body, the high inner end is used for being fixedly connected with the rail, and the low outer end is clamped on the box body. The front ends of the two collision block shafts are fixed on the front sides of the collision block bearing seats through nuts and gaskets, the rear fixed ends of the two collision block shafts extend out of the rear sides of the collision block bearing seats, a compression spring for buffering is sleeved on the shaft body part between the rear fixed ends and the rear sides of the collision block bearing seats, the rear fixed ends of the collision block shafts are fixed through locking nuts, and front end covers and rear end covers are arranged at two ends of the compression spring. When the collision occurs, the compression spring can play a certain buffering role to prevent the pneumatic gear transmission car arrester from being broken.

The tail end of each heavy collision block is connected with a collision block pin shaft for transmission; the outer side of the pinion shaft I is connected with one end of a left collision block pull rod through a connecting rod and a pinion crank pin, and the other end of the left collision block pull rod is connected with the middle part of a collision block pin shaft of the left heavy collision block; the outer side of the pinion shaft II is connected with one end of a right collision block pull rod through a connecting rod and a pinion crank pin, and the other end of the right collision block pull rod is connected with the middle part of a collision block pin shaft of the right heavy collision block; when the pinion I and the pinion II rotate, the pinion shaft I and the pinion shaft II in the two corresponding inner parts drive the connecting rod and the pinion crank pin to rotate, so that the corresponding end parts of the left collision block pull rod and the right collision block pull rod rotate, the collision block pin shaft is driven to move, and finally the heavy collision block is pulled to rotate. The middle top of the box body is provided with a middle cover plate, the left side and the right side of the middle cover plate are respectively provided with a track pressing plate, the inner sides of the track pressing plates are horizontal, the outer sides of the track pressing plates are upward tilted, the outer sides of the track pressing plates are matched with the shape of the track bottom plate, the end head of the inner sides of the track pressing plates are fixedly connected with a supporting part, and the inner sides of the track pressing plates are arranged at the top of the box body through bolts; the top of the right side of the box body is also provided with a right cover plate, and the lower end of the right side collision block bearing seat is embedded into the inner side of the right cover plate of the box body; the track clamp plate can compress tightly the track when the installation, makes whole car arrester realize the firm purpose of installation.

The pneumatic car stop comprises a pneumatic pulling device at the top and a car stop device on the ground, the pneumatic pulling device comprises I-steel, vertical rope guiding wheel devices, cylinder push rod wheel groups, double rope guiding wheel devices and a cylinder II, the I-steel is provided with two and is fixed on the top surface of a mine in parallel, two ends of a cylinder body of the cylinder II are all installed on the I-steel through cylinder fixing frames, the section of the cylinder fixing frames is U-shaped and installed on the I-steel through fixing frame bolts, the cylinder II is installed on the cylinder fixing frames through cylinder fixing bolts, the two I-steel are respectively a left fixing frame and a right fixing frame, the left fixing frame is provided with two vertical rope guiding wheel devices through the vertical rope guiding wheel device fixing frames, the two vertical rope guiding wheel devices are symmetrical through the double rope guiding wheel device fixing frames, and the right fixing frame is provided with two double rope guiding wheel devices which are symmetrical through the cylinder II; the distance between the two double-guide rope pulley devices is smaller than the distance between the two vertical guide rope pulley devices; the cylinder push rod wheel set is arranged at the end part of a piston rod of the cylinder II, the two vertical rope guiding wheel devices are matched with the corresponding double rope guiding wheel devices, and finally the two vertical rope guiding wheel devices are driven by the cylinder push rod wheel set.

The car stop device comprises four car stop bars which are sequentially arranged from bottom to top and are parallel to the ground, the distance between the four car stop bars is the same, the length of the four car stop bars is the same, the four car stop bars are connected into a whole through two steel cables in the middle of the four car stop bars, and each car stop bar is connected to two ends of the same lifting steel wire rope through corresponding rope clamps on the two steel cables; the middle part of the lifting steel wire rope sequentially passes through one of the vertical rope guiding wheel devices and then passes through the corresponding double rope guiding wheel device, then passes through the cylinder push rod wheel set, and then sequentially passes through the other double rope guiding wheel device and the vertical rope guiding wheel device, so that a lifting whole is formed by the four car stopping bars, the steel rope and the lifting steel wire rope, and when the piston rod of the cylinder II extends forwards, the lifting steel wire rope drives the four car stopping bars to be in a lifting state, namely an opening state, and a vehicle can pass through a track; when the piston rod of the cylinder II is retracted, the lifting steel wire rope drives the four car stopping bars to be in a falling state, namely a closing state, and the car can not pass through the track. The two ends of each car stop are also connected with corresponding car stop steel wire ropes which are used for playing a role of interception together with the car stop, and because the heights of the four car stops are different, the car stop steel wire ropes and the car stop are meshed. The car stopping steel wire ropes at the front sides of the four car stopping bars are arranged on the ground through corresponding friction buffers, the car stopping steel wire ropes at the rear sides of the four car stopping bars are also arranged on the ground through corresponding friction buffers, the friction buffers at the front side and the rear side are symmetrical and identical in position, and are fixed on the ground through foundation bolts or anchor rods; the top end of each steel cable is connected to a fixing frame bolt at the tail end of the cylinder II through a positioning steel wire rope, and the positioning steel wire rope is used for controlling the position of the whole steel cable and preventing the car stop from deviating from a set position.

Preferably, a distance pad is further arranged between the inner side end of the crankshaft and the bearing seat II and used for buffering, and the distance pad can be adjusted according to the meshing condition of a plurality of gears in the later use process.

Preferably, a sliding sleeve is arranged between the collision block shaft and the collision block bearing seat.

Preferably, the high inner end of the ram bearing block is connected to the rail by a random back plate.

Preferably, the part of the lifting steel wire rope between the vertical rope guiding wheel device and the double rope guiding wheel device is also provided with unloading insurance.

Preferably, the air cylinder I and the air cylinder II are controlled by a pneumatic control box, a front air pipe joint and a rear air pipe joint of the air cylinder I are respectively connected with a front opening and a rear opening of a car stopper air cylinder of the pneumatic control box through connecting air paths, a front opening and a rear opening of a net fence air cylinder of the air cylinder II are respectively connected with a front opening and a rear opening of a car fence control of the pneumatic control box through connecting air paths, and the pneumatic control box is also provided with an air source interface; the pneumatic control box is also provided with a control box operating handle and an action conversion knob, and the control box operating handle is used for controlling the pneumatic gear transmission car arrester and the pneumatic car stop bar in real time, the action conversion knob is used for replacing the pneumatic gear transmission car arrester or the pneumatic car stop bar operated, and the control box operating handle is used for controlling the corresponding car arrester under the condition of selecting one car arrester.

Preferably, the signal device comprises a display screen, a voice alarm device and a signal acquisition device, wherein the signal acquisition device is connected with the pneumatic gear transmission car arrester and the pneumatic car stop through corresponding sensing elements and connecting lines, and the signal acquisition device is connected with the display screen and the voice alarm device through corresponding signal conversion devices.

Preferably, a window is arranged at the rear side of the box body, and the box body is sealed through a window cover plate.

Compared with the prior art, the utility model has the following beneficial effects: the pneumatic normally closed car stopping device for lifting and transporting the underground mine inclined roadway is mutually locked, is reliable in positioning, can stop the event of a super-trailer, can prevent unconnected vehicles and vehicles with invalid connecting pieces such as ropes, rings and pins as soon as possible, and can effectively prevent the accidents of sliding and running; the underground auxiliary transportation system has the advantages of convenience in installation, convenience in operation and the like, and is used for further improving and improving underground auxiliary transportation system facilities; the device is suitable for blocking vehicles on underground rail slopes in coal mines, blocking vehicles, locking, controlling and protecting. The utility model can prevent the unconnected vehicle from sliding into the inclined roadway; the running car accident caused by rope breakage and unhooking when the connected vehicles enter the inclined roadway through the slope changing point can be effectively intercepted; through the locking arrangement, the distance between the car stopper and the car stopper is adjusted, so that the number of the connected vehicles can be limited, and the illegal behaviors of the overhanging vehicles in the field operation process can be effectively prevented.

Drawings

FIG. 1 is a front view of the arrangement of the pneumatic gear drive car stopper and the pneumatic stopper rail of the present utility model.

Fig. 2 is a schematic cross-sectional view of the front view of the pneumatic gear drive car arrester.

FIG. 3 is a schematic cross-sectional top view of a pneumatic gear drive car retarder.

FIG. 4 is a top view of the structure of the ram shaft and heavy ram of the pneumatic gear drive car retarder.

Fig. 5 is a structural elevation view of the pneumatic fence.

Fig. 6 is a structural top view of the pneumatic fence.

Fig. 7 is a structural side view of the pneumatic fence.

Fig. 8 is a schematic installation view of the cylinder ii.

Fig. 9 is a schematic installation diagram of a vertical rope guiding wheel device, a double rope guiding wheel device and a cylinder push rod wheel set.

Fig. 10 is a top view of the vertical rope guiding wheel device, the double rope guiding wheel device, the cylinder push rod wheel set and the cylinder II.

Fig. 11 is a schematic structural view of a cylinder push rod wheel set, with a front view on the left and a side sectional view on the right.

Fig. 12 is a schematic structural view of the double rope guide, with the left side being a front view and the right side being a side sectional view.

Fig. 13 is a schematic structural view of the rope guide, and the left side is a front view and the right side is a side sectional view.

Fig. 14 is a schematic structural view of the unloading insurance.

Fig. 15 is a schematic view of the pneumatic control box of the present utility model, in a bottom view.

Fig. 16 is a right side view of the pneumatic control housing of the present utility model.

The figures are labeled as follows: 1-box body, 2-collision block pin shaft, 3-middle cover plate, 4-track pressing plate, 5-right cover plate, 6-heavy collision block, 7-cylinder pull rod, 8-cylinder connecting sleeve, 9-cylinder fixing seat, 12-cylinder I, 13-crank shaft, 14-cylinder pull rod pin shaft, 15-pneumatic control box, 16-sector gear, 17-pinion I, 18-pinion II, 19-compression spring, 20-rear end cover, 21-locking nut, 22-collision block shaft, 23-bearing seat II, 24-steel rail, 25-distance pad, 26-bearing cover, 27-pinion shaft I, 28-bearing seat I, 29-collision block bearing seat, 30-front end cover, 31-foundation bolt or anchor rod, 32-connecting gas path, 33-pinion crank pin, 34-window cover plate, 35-pinion shaft II, 37-nut, 38-sliding sleeve, 39-random support plate, 40-crank connecting rod, 41-mounting bolt, 42-I-steel, 43-vertical rope guide pulley device, 44-cylinder push rod wheel set, 45-double rope guide pulley device, 46-friction buffer, 47-cylinder II, 48-cylinder fixing frame, 49-fixing frame bolt, 50-cylinder fixing bolt, 51-vertical rope guide pulley device fixing frame, 52-double rope guide pulley device fixing frame, 53-car stop, 54-unloading insurance, 55-steel cable, 56-rope clamp, 57-lifting steel wire rope, 58-car stop steel wire rope, 59-positioning steel wire rope, 151-air source interface, 152-control box operating handle, 153-action conversion knob, 101-front air pipe connector, 102-rear air pipe connector, 471-net fence cylinder front opening, 472-net fence cylinder rear opening, 1101-left collision block pull rod, 1102-right collision block pull rod, 421-left fixing frame, 422-right fixing frame, D-pneumatic gear drive car arrester and E-pneumatic car stop.

Description of the embodiments

The utility model is further illustrated below with reference to specific examples.

The pneumatic normally closed car blocking device for lifting and transporting underground mine inclined roadway is shown in fig. 1, 15 and 16: comprises a pneumatic gear transmission car arrester, a pneumatic car stop bar, a pneumatic control box and a signal device.

The pneumatic gear transmission car arrester, as shown in fig. 2-4, comprises a box body 1, a cylinder I12 is arranged at the right side of the bottom in the box body 1 and clung to the front wall, a piston rod of the cylinder I12 stretches out leftwards through a cylinder fixing seat 9, the end part of the piston rod is connected with a cylinder pull rod 7 through a cylinder connecting sleeve 8 and a cylinder pull rod pin shaft 14, the end part of the cylinder pull rod 7 is connected with one end of a crank connecting rod 40, the other end of the crank connecting rod 40 is connected with the outer side end of a crank shaft 13, the crank shaft 13 is arranged at the left end of a bearing pedestal II 23, the inner side end of the crank shaft 13 is connected with a sector gear 16, the bearing pedestal II 23 is arranged on the inner bottom surface of the box body 1, the rear inner bottom surface of the box body 1 is also provided with a bearing seat I28, a pinion shaft I27 and a pinion shaft II 35 are connected between the bearing seat I28 and the bearing seat II 23, the pinion shaft I27 and the pinion shaft II 35 are parallel and have the same structure, and are arranged on the bearing seat I28 and the bearing seat II 23 through corresponding bearings, the pinion shaft I27 is sleeved with a pinion I17, the pinion shaft II 35 is sleeved with a pinion II 18, the left side of the pinion I17 is meshed with the sector gear 16, and the right side of the pinion I17 is meshed with the pinion II 18; Bearing caps 26 are arranged on the outer sides of bearings at two ends of the pinion shaft I27 and the pinion shaft II 35; the left and right parts of the box body 1 are respectively provided with a Z-shaped heavy collision block 6, the two heavy collision blocks 6 are symmetrical in structure, and the upper part is a main collision point; a bump shaft 22 penetrates through the lower inflection point of each heavy bump 6, each bump shaft 22 is mounted on the box body 1 through a corresponding bump bearing seat 29, and the bump shaft 22 penetrates through the bump bearing seat 29 and the heavy bump 6; the collision block bearing seat 29 is step-shaped and symmetrical, the inner end of the collision block bearing seat 29 is high, the outer end of the collision block bearing seat 29 is low, and a yielding slot hole for the heavy collision block 6 to rotate is formed in the middle of the collision block bearing seat 29 body; The two bump bearing blocks 29 are fastened to the left and right parts of the case 1 by four mounting bolts 41, respectively; the high inner end of the collision block bearing seat 29 is a connecting end with a rail, and the low outer end is clamped at the left and right outer top of the box body 1; the front ends of the two bump shafts 22 are fixed on the front side of the bump bearing seat 29 through nuts 37 and gaskets, the rear fixed ends of the two bump shafts 22 extend out of the rear side of the bump bearing seat 29, a compression spring 19 for buffering is sleeved on the shaft body part between the rear fixed ends and the rear side of the bump bearing seat 29, the rear fixed ends of the bump shafts 22 are fixed through locking nuts 21, and the front end cover 30 and the rear end cover 20 are arranged at two ends of the compression spring 19; The tail end of each heavy-duty collision block 6 is connected with a collision block pin shaft 2 for transmission; the outer side of the pinion shaft I27 is connected to one end of a left bump rod 1101 through a connecting rod and a pinion crank pin 33, and the other end of the left bump rod 1101 is connected to the middle part of a bump pin shaft 2 of the left heavy bump 6; the outer side of the pinion shaft II 35 is connected to one end of a right bump pulling rod 1102 through a connecting rod and a pinion crank pin 33, and the other end of the right bump pulling rod 1102 is connected to the middle part of a bump pin shaft 2 of the right heavy bump 6; the middle top of the box body 1 is provided with a middle cover plate 3, the left side and the right side of the middle cover plate 3 are respectively provided with a track pressing plate 4, the inner side of the track pressing plate 4 is horizontal, the outer side of the track pressing plate is upward tilted, the outer side shape of the track pressing plate is matched with the shape of the track bottom plate, the end of the inner side of the track pressing plate 4 is fixedly connected with a supporting part, and the inner side of the track pressing plate 4 is arranged at the top of the box body 1 through a bolt; The top of the right side of the box body 1 is also provided with a right cover plate 5, and the lower end of the right side collision block bearing seat 29 is embedded in the inner side of the right cover plate 5 of the box body 1.

The pneumatic car stop is shown in fig. 5 to 14, and comprises a pneumatic pulling device at the top and a car stop device on the ground, wherein the pneumatic pulling device comprises an i-steel 42, vertical rope guiding wheel devices 43, a cylinder push rod wheel set 44, two rope guiding wheel devices 45 and a cylinder II 47, the i-steel 42 is provided with two and is parallel and fixed on the top surface of a mine, two ends of a cylinder body of the cylinder II 47 are all arranged on the i-steel 42 through a cylinder fixing frame 48, the section of the cylinder fixing frame 48 is U-shaped and is arranged on the i-steel 42 through a fixing frame bolt 49, the cylinder II 47 is arranged on the cylinder fixing frame 48 through a cylinder fixing bolt 50, the two i-steel 42 are respectively a left fixing frame 421 and a right fixing frame 422, the two vertical rope guiding wheel devices 43 are symmetrically arranged on the left fixing frame 421 through the vertical rope guiding wheel device fixing frame 51, the two double rope guiding wheel devices 45 are arranged on the right fixing frame 422 through the double rope guiding wheel devices 52, and the two double rope guiding wheel devices 45 are symmetrically arranged on the right fixing frame 47; the distance between the two double-guide rope pulley devices 45 is smaller than the distance between the two vertical-guide rope pulley devices 43; the cylinder push rod wheel set 44 is arranged at the end part of a piston rod of the cylinder II 47; the car stop device comprises four car stop bars 53 which are sequentially arranged from bottom to top and are parallel to the ground, the distance between the four car stop bars 53 is the same, the length of the four car stop bars is the same, the four car stop bars 53 are connected into a whole through two steel cables 55 in the middle of the four car stop bars, and each car stop bar 53 is connected to the two ends of the same lifting steel wire rope 57 through corresponding rope clamps 56 on the two steel cables 55; the middle part of the lifting wire rope 57 sequentially passes through one of the vertical rope guiding wheel devices 43, then passes through the corresponding double rope guiding wheel device 45, then passes through the cylinder push rod wheel set 44, and then sequentially passes through the other double rope guiding wheel device 45 and the vertical rope guiding wheel device 43, so that the four car stopping bars 53, the steel ropes 55 and the lifting wire rope 57 form a lifting whole; the two ends of each car stop bar 53 are also connected with corresponding car stop steel wire ropes 58, the car stop steel wire ropes 58 at the front sides of the four car stop bars 53 are arranged on the ground through corresponding friction buffers 46, the car stop steel wire ropes 58 at the rear sides of the four car stop bars 53 are also arranged on the ground through corresponding friction buffers 46, the friction buffers 46 at the front side and the rear side are symmetrical and identical in position, and are fixed on the ground through foundation bolts or anchor rods; the top end of each wire 55 is connected to a fixing bolt 49 at the end of the cylinder II 47 by a positioning wire 59.

The following preferred scheme is adopted in the embodiment: a distance pad 25 is also arranged between the inner side end of the crank shaft 13 and the bearing seat II 23; a sliding sleeve 38 is arranged between the ram shaft 22 and the ram bearing seat 29; the high inner end of the collision block bearing seat 29 is connected with the track through a random bearing plate 39; the part of the lifting steel wire rope 57 between the vertical rope guiding wheel device 43 and the double rope guiding wheel device 45 is also provided with an unloading safety 54; the cylinder I12 and the cylinder II 47 are controlled by the pneumatic control box 15, a front air pipe joint 101 and a rear air pipe joint 102 of the cylinder I12 are respectively connected with a front cylinder port and a rear cylinder port of a car stopper of the pneumatic control box 15 through connecting air paths, a net column cylinder front port 471 and a net column cylinder rear port 472 of the cylinder II 47 are respectively connected with a front car stop control port and a rear car stop control port of the pneumatic control box 15 through connecting air paths, and the pneumatic control box 15 is also provided with an air source interface 151; the pneumatic control box 15 is also provided with a control box operating handle 152 and a motion conversion knob 153; the signal device comprises a display screen, a voice alarm device and a signal acquisition device, wherein the signal acquisition device is connected with the pneumatic gear transmission car arrester and the pneumatic car barrier through corresponding sensing elements and connecting lines, and the signal acquisition device is connected with the display screen and the voice alarm device through corresponding signal conversion devices; a window is arranged on the rear side of the box body 1 and is sealed by a window cover plate 34; the pneumatic gear transmission car arrester is arranged at the position of the horizontal track, the pneumatic car stop bar is arranged at the position of the inclined track, and in the embodiment, the pneumatic gear transmission car arrester is arranged at the position of the upper parking lot distance slope changing point by 2-3 meters, and the installation distance is generally 2 meters; the pneumatic fence is mounted about one train length below the change slope point ("one train length" refers to the length of the incline tunnel that allows the maximum number of trains to be connected), in this embodiment the field installation distance is 5 meters below the change slope point, as shown in fig. 1.

The signal device in the embodiment comprises KDW127/5 mining flameproof and intrinsically safe type direct current stabilized power supply, a main machine of the ZXD127-Z mining turnout position signal device, a plurality of MYQ-0.3/0.5/1.0mm mining intrinsically safe type position sensors and a plurality of movable light rubber plastic flexible cables for coal mines, wherein the environment used is as follows: ① A site having a pressurized air power source, a positive pressure compressed air pressure range: 0.4-1.0 Mpa; ② A location capable of providing 127V power; ③ Ambient temperature: 0 ℃ to 40 ℃; ④ Ambient humidity: less than or equal to 95 percent; ⑤ Atmospheric pressure: 80kPa to 110kPa; ⑥ Coal mines with explosive gas mixtures such as methane and coal dust do not have places where corrosive gases of insulation and metal materials are destroyed.

The specific operation of this embodiment is as follows:

1. The vehicle lowering process comprises the following steps:

The state of the front car stopping device of the lowered car is that the pneumatic gear transmission car stopper D is closed, and the pneumatic car stopping fence E is closed. When the vehicle is lowered, the action conversion knob 153 on the pneumatic control box is rotated to a crossing position, the operation handle 152 of the pneumatic gear transmission vehicle arrester D is matched with the operation control box to be rotated to an opening position, the state of the pneumatic gear transmission vehicle arrester D is changed from being closed to being opened, the pneumatic gear transmission vehicle arrester D cylinder extends out, and the pneumatic gear transmission vehicle arrester D is opened; at this time, the pneumatic car stop bar E is kept closed, when the vehicle continues to descend through the pneumatic gear transmission car stop D and enters a slope section through a slope changing point, and the vehicle runs normally, the control box operating handle 152 is operated again to be turned to a closed position, the state of the pneumatic gear transmission car stop D is turned from open to closed, the pneumatic gear transmission car stop D cylinder is retracted, and the pneumatic gear transmission car stop D is closed; the piston rod of the cylinder 47 of the pneumatic car stop E stretches out to lift the car stop, the pneumatic car stop E is turned from being closed to being opened, and the car continues to descend into the slope road section through the pneumatic car stop E.

2. Lifting the vehicle flow:

The state of the front car stopping device of the lifting car is that the pneumatic gear transmission car arrester D is closed, and the pneumatic car stopping fence E is closed. When the vehicle is lifted, the action conversion knob 153 on the pneumatic control box is rotated to the crossing position, the operation control box operating handle 152 is operated to the closing position, the state of the pneumatic gear transmission car arrester D is kept closed, the pneumatic car arrester E is turned from closing to opening, the vehicle continuously lifts up through the pneumatic car arrester E and reaches the slope change point, when the parking lot operates normally, the operation control box operating handle 152 is operated to the opening position, the state of the pneumatic gear transmission car arrester D is turned from closing to opening, the pneumatic car arrester E is turned from opening to closing, and the vehicle continuously lifts up through the pneumatic gear transmission car arrester D into the horizontal road section and the parking lot.

3. The car stopping device is fully closed:

When the lowering and lifting work of the vehicle is finished, the pneumatic control box action conversion knob 153 is rotated to the synchronous position, the control box operation handle 152 is placed at the closed position, and the pneumatic gear transmission car stopper D and the pneumatic car stop E of the car stop device are all in the closed state; the pneumatic gear transmission car arrester D cylinder is retracted, the pneumatic gear transmission car arrester D is closed, the pneumatic car stop E cylinder is retracted, the car stop is closed, and the pneumatic gear transmission car arrester D cylinder and the pneumatic car stop E cylinder are in a full-closed state.

The signaling device in this embodiment is: ① The screen body is made of: stainless steel, protection grade IP54; ② External dimensions: 688×384×120; ③ The installation mode is as follows: hanging; ④ Single-sided display, which can display three colors of red, green and yellow, and display specifications: p4.75, display size 608 x 304, display resolution 128 x 64; ⑤ The communication mode is as follows: the network port and the USB flash disk are communicated; ⑥ The alarm sound level intensity can be changed by a computer; ⑦ The control mode is as follows: asynchronous control; ⑧ Three paths of external control signal inputs are provided; ⑨ Monitoring and displaying functions: a, closing a pneumatic gear transmission car arrester and closing a pneumatic car stopping fence; b, the pneumatic gear transmission car arrester is opened, and the pneumatic car stopping fence is closed; c, the pneumatic gear transmission car arrester is closed, and the pneumatic car stopping fence is opened; the information displayed by the monitoring corresponds to the closing and opening parts of the pneumatic gear drive car stopper and the pneumatic car stop rail and is obtained through the sensing element, and the display screen displays pictures and texts at any time and the loudspeaker reports voice.

The scope of the present utility model is not limited to the above embodiments, and various modifications and alterations of the present utility model will become apparent to those skilled in the art, and any modifications, improvements and equivalents within the spirit and principle of the present utility model are intended to be included in the scope of the present utility model.

Claims

1. The utility model provides a pneumatic normal close car stopping device of mine underground inclined roadway lifting transportation which characterized in that: comprises a pneumatic gear transmission car arrester, a pneumatic car stop bar, a pneumatic control box and a signal device;

The pneumatic gear transmission car arrester comprises a box body (1), a cylinder I (12) is arranged at the right side of the inner bottom of the box body (1) and clung to the front wall through a cylinder fixing seat (9), a piston rod of the cylinder I (12) stretches out leftwards, the end part of the piston rod is connected with a cylinder pull rod (7) through a cylinder connecting sleeve (8) and a cylinder pull rod pin shaft (14), the end part of the cylinder pull rod (7) is connected with one end of a crank connecting rod (40), the other end of the crank connecting rod (40) is connected with the outer side end of a crank shaft (13), the crank shaft (13) is arranged at the left end of a bearing seat II (23), a sector gear (16) is connected with the inner side end of the crank shaft (13), the bearing seat II (23) is arranged on the inner bottom surface of the box body (1), a bearing seat I (28) is also arranged on the inner bottom surface of the rear side of the box body (1), a pinion shaft I (27) and a pinion shaft II (35) are connected between the bearing seat I (28) and the bearing seat II (23), the pinion shaft I (27) and the pinion shaft II (35) are connected with the pinion shaft I (27) and the pinion shaft II (35) through the same structure and the corresponding pinion I (27) and the pinion I (23), the pinion shaft II (35) is sleeved with a pinion II (18), the left side of the pinion I (17) is meshed with the sector gear (16), and the right side of the pinion I (17) is meshed with the pinion II (18); bearing covers (26) are arranged on the outer sides of bearings at two ends of the pinion shaft I (27) and the pinion shaft II (35);

The left and right parts of the box body (1) are respectively provided with a Z-shaped heavy collision block (6), the two heavy collision blocks (6) are symmetrical in structure, and the upper part is a main collision point; a bump shaft (22) penetrates through the lower inflection point of each heavy bump (6), each bump shaft (22) is mounted on the box body (1) through a corresponding bump bearing seat (29), and the bump shaft (22) penetrates through the bump bearing seat (29) and the heavy bump (6); the collision block bearing seat (29) is step-shaped and symmetrical, the inner end of the collision block bearing seat (29) is high, the outer end of the collision block bearing seat is low, and a yielding slot hole for the heavy collision block (6) to rotate is formed in the middle of the collision block bearing seat (29); the two collision block bearing seats (29) are respectively fastened on the left part and the right part of the box body (1) through four mounting bolts (41); the high inner end of the collision block bearing seat (29) is a connecting end with a rail, and the low outer end is clamped at the left and right outer tops of the box body (1); the front ends of the two bump shafts (22) are fixed on the front sides of the bump bearing seats (29) through nuts (37) and gaskets, the rear fixed ends of the two bump shafts (22) extend out of the rear sides of the bump bearing seats (29), a compression spring (19) for buffering is sleeved on a shaft body part between the rear fixed ends and the rear sides of the bump bearing seats (29), the rear fixed ends of the bump shafts (22) are fixed through locking nuts (21), and front end covers (30) and rear end covers (20) are arranged at two ends of the compression spring (19);

The tail end of each heavy collision block (6) is connected with a collision block pin shaft (2) for transmission; the outer side of the pinion shaft I (27) is connected with one end of a left bump pull rod (1101) through a connecting rod and a pinion crank pin (33), and the other end of the left bump pull rod (1101) is connected with the middle part of a bump pin shaft (2) of a left heavy bump (6); the outer side of the pinion shaft II (35) is connected with one end of a right collision block pull rod (1102) through a connecting rod and a pinion crank pin (33), and the other end of the right collision block pull rod (1102) is connected with the middle part of a collision block pin shaft (2) of the right heavy collision block (6); the middle top of the box body (1) is provided with a middle cover plate (3), the left side and the right side of the middle cover plate (3) are respectively provided with a track pressing plate (4), the inner side of the track pressing plate (4) is horizontal, the outer side of the track pressing plate is upward tilted, the outer side shape of the track pressing plate is matched with the shape of the track bottom plate, the end of the inner side of the track pressing plate (4) is fixedly connected with a supporting part, and the inner side of the track pressing plate (4) is arranged at the top of the box body (1) through a bolt; the top of the right side of the box body (1) is also provided with a right cover plate (5), and the lower end of the collision block bearing seat (29) on the right side is embedded into the inner side of the right cover plate (5) of the box body (1);

The pneumatic car stop comprises a pneumatic pulling device at the top and a car stop device on the ground, the pneumatic pulling device comprises I-steel (42), vertical rope guide wheel devices (43), cylinder push rod wheel groups (44), double rope guide wheel devices (45) and a cylinder II (47), the I-steel (42) is provided with two vertical rope guide wheel devices (43) which are fixed on the top surface of a mine in parallel, two ends of a cylinder body of the cylinder II (47) are mounted on the I-steel (42) through cylinder fixing frames (48), the section of the cylinder fixing frames (48) is U-shaped and mounted on the I-steel (42) through fixing frame bolts (49), the cylinder II (47) is mounted on the cylinder fixing frames (48) through cylinder fixing bolts (50), the two I-steel (42) are respectively provided with a left fixing frame (421) and a right fixing frame (422), the two vertical rope guide wheel devices (43) are symmetrically arranged on the left fixing frames (421), and the two vertical rope guide wheel devices (47) are symmetrically arranged on the right fixing frames (422) through the double rope guide wheel devices (45); the distance between the two double-guide rope pulley devices (45) is smaller than the distance between the two vertical rope pulley devices (43); the cylinder push rod wheel set (44) is arranged at the end part of a piston rod of the cylinder II (47);

The car stop device comprises four car stop bars (53) which are sequentially arranged from bottom to top and are parallel to the ground, the distance between the four car stop bars (53) is the same, the length of the four car stop bars is the same, the four car stop bars (53) are connected into a whole through two steel ropes (55) in the middle of the four car stop bars, and each car stop bar (53) is connected to two ends of the same lifting steel wire rope (57) through corresponding rope clamps (56) on the two steel ropes (55); the middle part of the lifting steel wire rope (57) sequentially passes through one of the vertical rope guiding wheel devices (43) and then passes through the corresponding double rope guiding wheel device (45), then passes through the cylinder push rod wheel set (44), and sequentially passes through the other double rope guiding wheel device (45) and the vertical rope guiding wheel device (43), so that the four car stopping fences (53), the steel ropes (55) and the lifting steel wire rope (57) form a lifting whole; the two ends of each car stop bar (53) are also connected with corresponding car stop steel wire ropes (58), the car stop steel wire ropes (58) at the front sides of the four car stop bars (53) are arranged on the ground through corresponding friction buffers (46), the car stop steel wire ropes (58) at the rear sides of the four car stop bars (53) are also arranged on the ground through the corresponding friction buffers (46), the friction buffers (46) at the front side and the rear side are symmetrical and identical in position, and are fixed on the ground through foundation bolts or anchor rods; the top end of each steel cable (55) is connected to a fixing frame bolt (49) at the tail end of the cylinder II (47) through a positioning steel wire rope (59).

2. The mining underground inclined roadway lifting and transporting pneumatic normally-closed car stopping device according to claim 1, wherein the device is characterized in that: a distance pad (25) is also arranged between the inner side end of the crank shaft (13) and the bearing seat II (23).

3. The mining underground inclined roadway lifting and transporting pneumatic normally-closed car stopping device according to claim 1, wherein the device is characterized in that: the high inner end of the collision block bearing seat (29) is connected with the track through a random bearing plate (39).

4. The mining underground inclined roadway lifting and transporting pneumatic normally-closed car stopping device according to claim 1, wherein the device is characterized in that: the lifting steel wire rope (57) is further provided with an unloading safety (54) at a part between the vertical rope guiding wheel device (43) and the double rope guiding wheel device (45).

5. The mining underground inclined roadway lifting and transporting pneumatic normally-closed car stopping device according to claim 1, wherein the device is characterized in that: the pneumatic car retarder is characterized in that the air cylinder I (12) and the air cylinder II (47) are controlled by a pneumatic control box (15), a front air pipe joint (101) and a rear air pipe joint (102) of the air cylinder I (12) are respectively connected with a front stopper air cylinder port and a rear air cylinder port of the pneumatic control box (15) through connecting air paths, a net column air cylinder front port (471) and a net column air cylinder rear port (472) of the air cylinder II (47) are respectively connected with a front car blocking column control port and a rear car blocking column control port of the pneumatic control box (15) through connecting air paths, and the pneumatic control box (15) is also provided with an air source interface (151); the pneumatic control box (15) is also provided with a control box operating handle (152) and a motion conversion knob (153).

6. The mining underground inclined roadway lifting and transporting pneumatic normally-closed car stopping device according to claim 1, wherein the device is characterized in that: the signal device comprises a display screen, a voice alarm device and a signal acquisition device, wherein the signal acquisition device is connected with the pneumatic gear transmission car arrester and the pneumatic car stop through corresponding sensing elements and connecting lines, and the signal acquisition device is connected with the display screen and the voice alarm device through corresponding signal conversion devices.

7. The mining underground inclined roadway lifting and transporting pneumatic normally-closed car stopping device according to claim 1, wherein the device is characterized in that: the rear side of the box body (1) is provided with a window, and the box body is sealed through a window cover plate (34).

8. The mining underground inclined roadway lifting and transporting pneumatic normally-closed car stopping device according to claim 1, wherein the device is characterized in that: the pneumatic gear transmission car arrester is arranged at the position of the horizontal track, and the pneumatic car baffle is arranged at the position of the inclined track.

9. The mining underground inclined roadway lifting and transporting pneumatic normally-closed car stopping device according to claim 5, wherein the device is characterized in that: the connecting gas circuit adopts a high-pressure rubber tube with the pressure of RB2-10-45 MPa.