CN211507420U

CN211507420U - Mining ann's type is acted as go-between scram switch

Info

Publication number: CN211507420U
Application number: CN202020489470.XU
Authority: CN
Inventors: 王宇; 曹千旺
Original assignee: Hunan Chaoyi Information Technology Co ltd
Current assignee: Hunan Chaoyi Information Technology Co ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-09-15
Anticipated expiration: 2030-04-07

Abstract

The utility model discloses a mining intrinsic safety type pull wire emergency stop switch, which comprises a shell and a waterproof connector of a wire inlet, wherein a circuit board is arranged in the shell, a left microswitch and a right microswitch are arranged at two sides of the circuit board, a left pull wire emergency stop component and a right pull wire emergency stop component are respectively arranged in the shell corresponding to the left microswitch and the right microswitch, the left pull wire emergency stop component and the right pull wire emergency stop component are identical and symmetrical in structure, the left pull wire emergency stop component comprises a firing mechanism and an action mechanism, the firing mechanism comprises a reset rod, one end of the reset rod is provided with a hammer, the other end of the reset rod passes through the shell and is provided with a reset pull ring, the reset rod is sleeved with a first sleeve provided with a cavity, the reset rod is positioned in the cavity and is provided with a ring plate, a spring is arranged between the ring plate and the cavity, the spring is in a compression state, the action mechanism comprises an action rod, one end of the, the shell is provided with a left warning lamp and a right warning lamp which are connected with the circuit board.

Description

Mining ann's type is acted as go-between scram switch

Technical Field

The utility model relates to a mining equipment technical field specifically is a mining ann's type emergency stop switch that acts as go-between.

Background

The mine overhead passenger, also called a monkey vehicle, is an underground auxiliary transportation device, is mainly used for transporting personnel to go up and down an inclined shaft or a drift, has the characteristics of low running speed, low ground clearance, safe and reliable running, convenient ascending and descending of personnel, tunnel following, no need of waiting, low one-time investment, low power consumption, simple operation, convenient maintenance, less working personnel, high transportation efficiency and the like, and is a novel modern underground personnel transportation device.

The overhead passenger device before 2018 generally adopts a first generation T-shaped deviation sensor GEJ30 as the protection of the overhead passenger device along the line for sudden stop, and does not meet the safety standard of AQ1038-2007 overhead passenger devices and the requirements of manual reset and position presetting for the protection of the overhead passenger device along the line for sudden stop in 2016 edition of coal mine safety regulations.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a mining ann's type stay wire scram switch has solved the problem that present aerial passenger device does not accord with the dedicated scram switch of scram protection along the line of safety regulation.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a mining intrinsic safety type pull wire emergency stop switch comprises a shell, incoming wire waterproof joints are symmetrically arranged at the left end and the right end of the shell, a circuit board is installed in the shell, a left micro switch and a right micro switch are symmetrically arranged at the left side and the right side of the circuit board, a left pull wire emergency stop component and a right pull wire emergency stop component are respectively arranged in the shell and correspond to the left micro switch and the right micro switch, the left pull wire emergency stop component and the right pull wire emergency stop component are identical in structure and are symmetrical, the left pull wire emergency stop component comprises a trigger mechanism for triggering the left micro switch and an action mechanism for limiting the trigger mechanism, the trigger mechanism comprises a reset rod, a hammer is arranged at one end, facing the left micro switch, of the reset rod, a reset pull ring is arranged at the other end, penetrates through the shell, a first sleeve is sleeved on the reset rod, the first sleeve is in threaded connection with the shell, a cavity is formed in, the spring is in compression state, and actuating mechanism includes the action bars with release link vertically, and the one end that the action bars is close to the release link is provided with the dop, and the other end passes the casing and is provided with the action pull ring, corresponds the dop on the release link and has seted up ring groove, and the cover is equipped with the second sleeve the same with first sleeve structure on the action bars, and the spring in the second sleeve is in normal condition, still installs left and right warning light with circuit board electric connection on the casing.

Further, first sleeve is including the cover body that is located the casing and the upper shield that is located the casing outside, and the cover body is close to the one end of upper shield and is seted up flutedly, and the upper shield passes the casing lateral wall and passes through the screw thread with the notch of recess and close to be connected soon, and the spring holds and locates in the recess, and on the reset lever was located to the spring housing, spring one end was contradicted on the crown plate, and the other end was contradicted on the upper shield.

Furthermore, the one end of the sleeve cover towards the sleeve body is provided with a spring bearing ring, the spring bearing ring can be accommodated in the groove, the spring bearing ring is sleeved on the reset rod, a spring installation ring groove is formed in the end, facing the ring plate, of the spring bearing ring, the spring is accommodated in the spring installation ring groove, a pressing ring is arranged at one end, facing the ring plate, of the spring, and a plurality of supporting rods are arranged between the pressing ring and the ring plate.

Furthermore, the pressing ring is connected with the ring plate through the supporting ring.

Furthermore, a sealing ring is arranged between the pressing ring and the groove wall of the spring mounting ring groove, hydraulic oil is arranged between the pressing ring and the spring mounting ring groove, and the spring mounting ring groove on the reset rod is communicated with the spring mounting ring groove on the action rod through a hydraulic pipeline.

Furthermore, the shell is provided with an opening corresponding to the sleeve body, the sleeve body is provided with a connecting ring corresponding to the opening, the connecting ring is connected with the opening through threads, and the sleeve cover is connected with the connecting ring through threads in a screwing mode.

Further, the dorsal part of the shell is symmetrically provided with mounting seats, the two mounting seats are arranged in parallel with the action rod, the front end of the shell is provided with a nameplate, the four corners of the nameplate are fixedly connected with the shell through cross screws, and a sealing gasket is arranged between the nameplate and the shell.

(III) advantageous effects

The utility model provides a mining ann's type pullwire scram switch. The method has the following beneficial effects:

(1) the utility model has the advantages that the utility model passes the detection of relevant safety regulations and has the function of manual reset;

(2) the utility model discloses a spring mounting ring inslot that sets up on the spring mounting ring groove that sets up on the action bars and the release link all is provided with spring and hydraulic oil, hydraulic oil is when lubricating the spring and absorbing the heat that the spring warp, can also provide partly thrust, after left and right micro-gap switch triggers, thereby make circuit board power-off, only can feed through the power through manual reset after the fault repair, resume the operation of built on stilts passenger device, improved the security performance of built on stilts passenger device greatly.

Drawings

FIG. 1 is a schematic sectional view of the front view structure of the present invention;

fig. 2 is a schematic view of the bottom view structure of the present invention;

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic view of the structure relationship of the left pull-cord emergency stop assembly of the present invention;

fig. 5 is a schematic view of the structure relationship between the spring bearing ring and the ring plate according to the present invention.

In the figure, 1 shell, 2 circuit boards, 3 left microswitches, 4 right microswitches, 5 reset rods, 6 hammers, 7 reset pull rings, 8 ring plates, 9 springs, 10 action rods, 11 clamping heads, 12 action pull rings, 13 annular clamping grooves, 14 second sleeves, 15 left warning lamps, 16 right warning lamps, 17 sleeve bodies, 18 sleeve covers, 19 grooves, 20 spring bearing rings, 21 spring mounting ring grooves, 22 press rings, 23 support rings, 24 hydraulic pipelines, 25 mounting seats, 26 nameplates and 27 incoming line waterproof joints.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an embodiment of the present invention provides a technical solution: a mining intrinsic safety type stay wire emergency stop switch comprises a shell 1, incoming wire waterproof joints 27 are symmetrically arranged at the left end and the right end of the shell 1, a cable enters the shell 1 from the incoming wire waterproof joints 27 and is electrically connected with a circuit board 2, the circuit board 2 is installed in the shell 1, the circuit board 2 is installed ON the inner side wall of the shell 1, the circuit board 2 is numbered by adopting a dial switch, an eight-bit dial switch is adopted in the implementation, if the address of the first mining intrinsic safety type stay wire emergency stop switch is 1, the dial number 1 is set ON, the address of the second mining intrinsic safety type stay wire emergency stop switch is 2, the dial number 2 is set ON, the address of the third mining intrinsic safety type stay wire emergency stop switch is 3, the dial numbers 1 and 2 are set ON, when a fault occurs, the circuit board 2 sends the address of the self to an external controller (the mining intrinsic safety type stay wire emergency stop switch is commonly used ON an overhead passenger device in a mine tunnel, a control room is usually arranged outside the mine, a controller is arranged in the control room), an emergency stop position can be displayed, a left microswitch and a right microswitch are symmetrically arranged at the left side and the right side of the circuit board 2, a left pull-cord emergency stop component and a right pull-cord emergency stop component are respectively arranged in the shell 1 corresponding to the left microswitch and the right microswitch, the left pull-cord emergency stop component and the right pull-cord emergency stop component respectively trigger the left microswitch 3 and the right microswitch 4, and only one of the left pull-cord emergency stop component and the right pull-cord emergency stop component needs to trigger the left microswitch and the right microswitch, the circuit board 2 sends a fault signal to the controller while controlling the overhead man-riding device to stop running, the left pull-cord emergency stop component and the right pull-cord emergency stop component have the same structure and are symmetrically arranged relative to the circuit board 2, the left pull-cord emergency stop component comprises a trigger mechanism for triggering the left microswitch 3 and an action mechanism, the firing mechanism comprises a reset rod 5, one end of the reset rod 5, facing the left microswitch 3, is provided with a hammer 6, the other end of the reset rod passes through the shell 1 and is provided with a reset pull ring 7, the reset rod 5 is sleeved with a first sleeve, the first sleeve is in threaded connection with the shell 1, a cavity is formed in the first sleeve, the reset rod 5 is positioned in the cavity and is provided with a ring plate 8, a spring 9 is arranged between the ring plate 8 and one end of the cavity, close to the reset pull ring 7, the spring 9 is in a compression state, the spring 9 on the reset rod 5 is in a compression deformation state, a space exists between the ring plate 8 on the reset rod 5 and one end face of the cavity, close to the hammer 6, and after the action rod 10 relieves the limit on the reset rod 5 (at the moment, the spring 9 on the action rod 10 is in a deformation state), the spring 9 on the reset rod 5 recovers deformation, so as, be about to release link 5 micro-gap switch 3 left and push out to trigger left micro-gap switch 3, actuating mechanism includes action bar 10 with release link 5 vertically, the one end that action bar 10 is close to release link 5 is provided with dop 11, and the other end passes casing 1 and is provided with action pull ring 12, last dop 11 of corresponding of release link 5 has seted up ring groove 13, the cover is equipped with the second sleeve 14 the same with first sleeve structure on action bar 10, spring 9 in second sleeve 14 is in normal condition, and spring 9 that second sleeve 14 endotheca was established on action bar 10 also can be in the micro-compression state, and cavity in the crown plate 8 of action bar 10 and the second sleeve 14 is contradicted towards the terminal surface of release link 5 one end to ring plate 8 on action bar 10 produces a power left for dop 11 card is located in ring groove 13, still install on casing 1 with circuit board 2 electric connection's a left side, And the right warning lamp is correspondingly turned on after the left microswitch and the right microswitch are triggered.

First sleeve is including being located the cover body 17 that the cover was established on the 1 interior restoring rod 5 of casing and being located the upper cover 18 that the cover was established of the 1 outside release link 5 of casing, cover body 17 is close to the one end of cover 18 and has seted up recess 19, cover 18 pass 1 lateral wall of casing with recess 19's notch passes through the screw thread and closes soon to be connected, has formed the cavity promptly when cover 18 closes soon on recess 19's notch, spring 9 holds and locates in recess 19, just spring 9 overlaps on the release link 5, spring 9 one end contradict in on the crown plate 8, and the other end is contradicted on cover 18, second sleeve 14 is the same with first sleeve structure, also includes cover body 17, cover 18, spring carrier ring 20, spring 9, clamping ring 22 and support ring 23 promptly.

The one end of the cover 18 towards the cover body 17 is provided with a spring bearing ring 20, the spring bearing ring 20 can be held in the groove 19, and the spring bearing ring 20 is sleeved on the reset rod 5 (or the action rod 10), when the cover 18 is screwed on the notch of the groove 19, the spring bearing ring 20 is held in the groove 19 and sleeved on the reset rod 5 (or the action rod 10), no interference is generated between the spring bearing ring 20 and the groove 19, the spring bearing ring 19 is held towards one end of the ring plate 8, a spring installation ring groove 21 is opened, the spring 9 is held in the spring installation ring groove 21, and the spring 9 is provided with a press ring 22 towards one end of the ring plate 8, one end of the spring 9 is abutted on the groove bottom of the spring installation ring groove 21 and the other end is abutted on the press ring 22, in addition, the two ends of the spring 9 are respectively connected with the spring installation ring groove 21 and the press ring 22, a plurality of support rods are arranged between the press ring 22 and the ring plate, when the reset rod 5 (or the action rod 10) moves relative to the sleeve body 17, the annular plate 8 drives the pressing ring 22 to move in the spring mounting annular groove 21 through the support rod (or the support ring 23) so as to generate deformation force on the spring 9.

The clamping ring 22 is connected with the ring plate 8 through the support ring 23, the inner diameter and the outer diameter of the support ring 23 and the clamping ring 22 are equal, and the inner diameter and the outer diameter of the clamping ring are smaller than those of the ring plate 8.

Be provided with the sealing washer between the cell wall of clamping ring 22 and spring mounting annular 21, form the appearance room that can hold hydraulic oil between clamping ring 22 and the spring mounting annular 21, be provided with hydraulic oil between clamping ring 22 and the spring mounting annular 21, hydraulic oil can lubricate spring 9, spring mounting annular 21 on the release link 5 with through hydraulic pressure pipeline 24 intercommunication between the spring mounting annular 21 on the action bars 10.

The opening has been seted up to casing 1 correspondence cover 17, cover 17 correspondence the opening is provided with the go-between, and the outer loop and the inner ring of go-between all are provided with the screw thread, the go-between with threaded connection is passed through to the opening, the upper shield 18 with the go-between closes the connection soon through the screw thread, and the external diameter of upper shield 18 and cover 17 all is greater than the open-ended diameter to between upper shield 18 and the 1 lateral wall of casing, all be provided with the sealing washer between the cover 17 and the 1 inside wall of casing.

The dorsal part symmetry of casing 1 is provided with mount pad 25, two mount pad 25 with action bars 10 parallel arrangement, 1 front end of casing is provided with data plate 26, data plate 26 four corners is all connected fixedly through cross screw and casing 1, be provided with sealed the pad between data plate 26 and the casing 1.

The utility model discloses a theory of operation: when a fault occurs, a user pulls the action pull ring 12 through a pull wire, taking a left pull wire scram assembly as an example, so as to drive the action rod 10 to move leftwards, thereby releasing the limitation on the reset rod 5, at this time, the ring plate 8 on the action rod 10 pushes the press ring 22 to move leftwards, so that the spring 9 on the action rod 10 generates compression deformation, and hydraulic oil enters the spring mounting ring groove 21 on the reset rod 5 from the hydraulic pipeline 24, thereby generating upward thrust on the ring plate 8 on the reset rod 5, after the limitation on the reset rod 5 is released, the spring 9 on the reset rod 5 pushes the press ring 22 to move upwards, thereby driving the ring plate 8 to drive the reset rod 5 to move upwards (at this time, the chuck of the action rod 10 abuts on the reset rod 5) until the upper end of the ring plate 8 on the reset rod 5 abuts against the end face of the groove 19 towards one end face of the hammer 6, so that the hammer 6 triggers the corresponding left microswitch, when the maintenance is finished, the reset pull ring 7 is pulled manually to move downwards, the left microswitch 3 is closed, the left warning lamp 15 is extinguished, so that the spring 9 on the reset rod 5 is in compression deformation, hydraulic oil in the spring mounting ring groove 21 on the reset rod 5 moves towards the spring mounting ring groove 21 on the action rod 10, when the reset rod 5 moves downwards to an initial state, the spring 9 on the action rod 10 and the hydraulic oil in the spring mounting ring groove 21 generate a rightward force on the action rod 10, so that the chuck 11 is clamped in the ring-shaped clamping groove 13 of the reset rod 5, at the moment, the spring 9 on the action rod 10 is in a micro compression deformation state, and the reset rod 5 is prevented from generating a non-artificial triggering condition of the left switch 3 by combining with the rightward force generated by the hydraulic oil on the ring plate 8 on the action rod 10, the triggering direction of the reset rod 5 of the mining intrinsic safety type stay wire emergency stop switch can be arranged downwards, and the speed of exciting the left microswitch 3 can be increased due to dead weight when the reset rod 5 moves downwards.

The utility model discloses a certification of state appointed certificate authority and acquisition coal safety certificate and explosion-proof certification, solved aerial passenger device and accorded with the requirement of state safety supervision department to aerial passenger device scram protection new rule along the line, improved the security performance of aerial passenger device, accord with national standard GB3836-2010 explosion-proof requirement, secondly accord with AQ1038-2007 aerial passenger device safety standard and "coal mine safety regulation" 2016 board, adopt the stainless steel bending shaping, the key technology lies in the realization of manual reset function, there is higher requirement to spring 9 on action bar 10, the elasticity of spring 9 on the release link 5 simultaneously, the total number of turns of spring 9 on action bar 10, n1=5.5, dextrorotation, expansion length L =313mm, hardness HRC45-51, the tip is tight, grind flat, the support ring is 1 circle, the total number of turns of spring 9 on the release link 5, n1=5.5, dextrorotation, the unfolding length L =317.5mm, the hardness HRC45-51, the end parts are tightened and ground, the support ring is 1 ring, so as to meet the product performance requirement of the enterprise label Q/ZY2019-06, and the action mode is as follows: stay-supported, the utility model discloses a main performance does, the action direction: bidirectional movement and movement stroke: 6mm plus or minus 2 mm; the action force is as follows: 20N to 100N; resetting force: 20N to 100N; outputting a signal: high level: the voltage is more than or equal to 8V; low level: less than or equal to 1.0V; the maximum transmission distance is 2 km; has the functions of action indication and 8421 coding; intrinsic safety parameters: ui: DC12.5V, respectively; ii: 1.5A; ci is 0 mu F; li is 0 mH; working voltage: DC12V, and the working current is less than or equal to 15 mA.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mining intrinsic safety type pull wire emergency stop switch comprises a shell, wherein incoming wire waterproof joints are symmetrically arranged at the left end and the right end of the shell, and the mining intrinsic safety type pull wire emergency stop switch is characterized in that a circuit board is installed in the shell, a left micro switch and a right micro switch are symmetrically arranged at the left side and the right side of the circuit board, a left pull wire emergency stop component and a right pull wire emergency stop component are respectively arranged in the shell corresponding to the left micro switch and the right micro switch, the left pull wire emergency stop component and the right pull wire emergency stop component are identical and symmetrical in structure, the left pull wire emergency stop component comprises a trigger mechanism for triggering the left micro switch and an action mechanism for limiting the trigger mechanism, the trigger mechanism comprises a reset rod, one end, facing the left micro switch, of the reset rod is provided with a hammer, the other end of the reset rod penetrates through the shell and is provided with a reset pull ring, a first sleeve, the utility model discloses a reset device, including reset lever, action mechanism, action link, spring, action pull ring, action draw-in lever, action link, spring, action mechanism, action link, action mechanism.

2. The mining intrinsic safety type pull cord emergency stop switch according to claim 1, wherein the first sleeve comprises a sleeve body located inside the housing and a sleeve cover located outside the housing, a groove is formed in one end, close to the sleeve cover, of the sleeve body, the sleeve cover penetrates through a side wall of the housing and is connected with a notch of the groove in a screwed mode through threads, the spring is contained inside the groove and is sleeved on the reset rod, one end of the spring abuts against the annular plate, and the other end of the spring abuts against the sleeve cover.

3. The mining intrinsically safe pull-cord emergency stop switch of claim 2, wherein the sleeve cover is provided with a spring bearing ring towards one end of the sleeve body, the spring bearing ring can be accommodated in the groove, the spring bearing ring is sleeved on the reset rod, a spring mounting ring groove is formed in the spring bearing ring towards one end of the ring plate, the spring is accommodated in the spring mounting ring groove, a press ring is arranged at one end of the spring towards the ring plate, and a plurality of support rods are arranged between the press ring and the ring plate.

4. The mining intrinsic safety type stay wire emergency stop switch of claim 3, wherein the compression ring is connected with the ring plate through a support ring.

5. The mining intrinsic safety type pull wire emergency stop switch according to claim 4, characterized in that a sealing ring is arranged between the pressing ring and the groove wall of the spring installation ring groove, hydraulic oil is arranged between the pressing ring and the spring installation ring groove, and the spring installation ring groove on the reset rod is communicated with the spring installation ring groove on the action rod through a hydraulic pipeline.

6. The mining intrinsic safety type pull cord emergency stop switch according to claim 5, wherein the housing is provided with an opening corresponding to the sleeve body, the sleeve body is provided with a connecting ring corresponding to the opening, the connecting ring is in threaded connection with the opening, and the cover cap is in threaded screwing connection with the connecting ring.

7. The mining intrinsic safety type pull-cord emergency stop switch according to claim 6, wherein mounting seats are symmetrically arranged on the back side of the shell, the two mounting seats are arranged in parallel with the action rod, a nameplate is arranged at the front end of the shell, four corners of the nameplate are fixedly connected with the shell through cross screws, and a sealing gasket is arranged between the nameplate and the shell.