CN206217910U - Bidirectional safe jaw type brakes mine car - Google Patents

Abstract

The utility model discloses a kind of bidirectional safe jaw type braking mine car, two sets of braking catchers are symmetrically mounted in the frame of mine car fore-and-aft direction；Braking catcher includes sport car information collecting device, transmission device and safety tongs brake apparatus；Sport car information collecting device includes pull bar and arm-tie；Transmission device includes vertical rod, connecting shaft, pole and back-moving spring mechanism；Two sets of safety tongs brake apparatus two tracks of correspondence are located at track top, including safety tongs support, rub block assembly and dynamic friction block assembly surely；Surely friction block assembly and dynamic friction block assembly correspond to the lateral location of track and are oppositely arranged on the both sides of track respectively；Surely friction block assembly includes determining brake pad parallel to what track was set；Dynamic friction block assembly includes the dynamic voussoir of mutual wedge surface cooperation and determines voussoir, and dynamic voussoir is by guiding mechanism and determines the cooperation of voussoir wedge surface.Intrinsic safety wholly clamping brakes mine car simple structure, during derailing accident can mechanical braking rapidly, install, dismantle, easy to maintenance.

Description

Bidirectional safe jaw type brakes mine car

Technical field

The utility model is related to a kind of mine car with braking function, specifically a kind of suitable for the double of coal mine inclined shaft transport Mine car is braked to safety pincer type, belongs to coal mine machinery equipment technology field.

Background technology

The transport of slope vehicle braking rail is a kind of widely used means of transportation in the mines such as colliery, and its types of transportation is to pass through Winch traction mine car group above inclined shaft is transported, if occurring the phenomenons such as disconnected rope, chain rupture or disconnected pin when mine car runs The problem of mine car or mine car group row sport car will be triggered, cause safety in production casualty accident to occur.

Conventional catcher has following two forms at present, and one kind is to detect mine car by sensor in mine The speed of service, once finding that stall condition stops mine car using keep off a car net or arrester, this mode is disadvantageous in that： Blocking apparatus weight is larger, and in-site installation is carried and inconvenient maintenance, it is difficult to which popularization is used；Blocking apparatus can only single use, Both waste of materials, destroyed the continuity of shaft production again, and process accident is time-consuming and laborious.

Another kind is that electron detection device is installed on mine car, mine car is braked using pawl, the defect of this mode It is：Equipment debugging, maintenance program complexity etc. are numerous and diverse, and the electronic product antidusting used in equipment, corrosion resistance are poor, through length Time is unstable using rear electronic product performance, sometimes can also be in crucial moment failure, failure or misoperation；What is more, and one Individual inclined shaft wants multistage to intercept and can be only achieved comparatively ideal effect, this not only increases mine cost, but also does not reach 100% and block Cut effect.

The content of the invention

Regarding to the issue above, the utility model provides a kind of bidirectional safe jaw type braking mine car, is braked without extra setting Rail, simple structure, low cost, sport car caused by any position beyond knick point can be removed in the inclined gallery because of disconnected rope, unhook etc. Active brake during accident, and be easily installed with maintenance, be particularly well-suited to coal mine inclined shaft hauling operation.

To achieve the above object, this bidirectional safe jaw type braking mine car includes two sets of braking catchers, two sets of brakings Catcher is symmetrically mounted in the frame of mine car fore-and-aft direction；

Described braking catcher includes sport car information collecting device, transmission device and safety tongs brake apparatus；

Described sport car information collecting device includes pull bar and arm-tie；Pull bar fore-and-aft direction is horizontal through the guiding in frame Hole, the front end of pull bar is connected with round-link chain, and the rear end of pull bar is articulated and connected with the front end of arm-tie；

Described transmission device includes vertical rod, connecting shaft, pole and back-moving spring mechanism；Behind the middle part of vertical rod and arm-tie End is articulated and connected, and the lower end of vertical rod is fixedly connected with the centre position of connecting shaft；Connecting shaft passes through bearing left and right directions level frame It is located in frame；It is two pieces that pole is symmetrical arranged, and the top of pole is fixedly mounted on the two ends of connecting shaft, the bottom of two pieces pole Installation is hinged by the rear end of joint ball bearing and horizontally disposed two connecting rods of fore-and-aft direction respectively；Back-moving spring mechanism includes Stage clip, the rear alignment of stage clip acts against the upper front of vertical rod, positioned at vertical rod and the top of arm-tie articulated position, before stage clip End positioning is acted against in frame；

It is two sets that described safety tongs brake apparatus is symmetrical set, two sets of safety tongs brake apparatus two tracks of correspondence Positioned at track top, safety tongs brake apparatus includes safety tongs support, rub block assembly and dynamic friction block assembly surely；Safety tongs branch Frame is movably arranged on the lower section of frame by the guiding mechanism that left and right directions is set；Surely friction block assembly and dynamic friction block assembly divide Not Dui Ying the lateral location of track be oppositely arranged on the both sides of track, the block assembly that rubs surely includes determine brake pad, determines brake pad flat Row is set in track and is arranged on safety tongs support by horizontally disposed stud, determines brake pad in face of track side Medial surface be provided with wear-resistant slide block；Dynamic friction block assembly includes the dynamic voussoir of mutual wedge surface cooperation and determines voussoir, and dynamic voussoir is Pre-small post-large wedge structure is arranged on the inner side for determining voussoir, and the lateral surface for moving the right-angle side correspondence track of voussoir is set and dynamic The right-angle side of voussoir is provided with wear-resistant slide block, and dynamic voussoir is coordinated by guiding mechanism with voussoir wedge surface is determined, and the rear end for moving voussoir leads to Cross joint ball bearing and be hinged installation with the front end of connecting rod；The right-angle side for determining voussoir is arranged on peace by horizontally disposed stud On full pincers support.

Used as further improvement of the utility model scheme, the upper end of described vertical rod is provided with the extension handle for upwardly extending Section；Described braking catcher also includes switching device, and switching device wears the extension hand for being connected on vertical rod including radial direction The latch of handle section bottom and the location hole being correspondingly arranged in frame.

Used as further improvement of the utility model scheme, described latch is spaced that to be provided with two circles trapezoidal fixed in the axial direction Position groove, correspondence is located at and is provided with screw near the position of the trapezoidal locating slot of latch afterbody in described vertical rod, certainly export-oriented in screw Positioning screw, spring and steel ball are inside sequentially provided with, steel ball is acted against in the trapezoidal locating slot of latch.

As further improvement of the utility model scheme, between the described right-angle side for determining voussoir and safety tongs support, Determine to be respectively provided with buffer spring between brake pad and safety tongs support.

It is described to determine voussoir and determine rear and front end and the safety of brake pad as further improvement of the utility model scheme The guiding mechanism worked in coordination is equipped between pincers support.

As further improvement of the utility model scheme, the position of the outboard end of correspondence safety tongs support in described frame Reseting pressuring spring is installed, reseting pressuring spring one end positioning is acted against in frame, the other end positions the outside for acting against safety tongs support On end.

As further improvement of the utility model scheme, the position of the outboard end of correspondence safety tongs support in described frame Put and be additionally provided with horizontal level Positioning screw, horizontal level Positioning screw be threadedly coupled with frame and horizontal level Positioning screw with Locking nut is provided between frame.

As preferred scheme of the present utility model, described dynamic voussoir and determine to be provided with voussoir the gathering sill worked in coordination And feather key.

As the dynamic voussoir of the utility model and a kind of implementation method for determining the gathering sill and feather key worked in coordination on voussoir, The dynamic voussoir guide bar slot being be arranged in parallel with its wedge surface is equipped with the top plane of described dynamic voussoir and baseplane, described determines wedge It is equipped with the top plane of block and baseplane and guide plate that be connected and wedge surface be arranged in parallel, the dynamic voussoir of guide plate correspondence is installed with it The position of guide bar slot is provided with the bending edges bent and in embedded dynamic voussoir guide bar slot.

As a kind of implementation method of the back-moving spring mechanism of the utility model transmission device, described back-moving spring mechanism Also include vertical rod press spring base, frame press spring base and sphere dynamic pressure spring abutment；Vertical rod press spring base is fixedly mounted in vertical rod, frame stage clip Seat correspondence vertical rod press spring base is fixedly mounted in frame, and vertical rod press spring base and frame press spring base face in correspondence with each other are respectively provided with balling-up Face dimple formation；Sphere dynamic pressure spring abutment is dome-type structure, size and vertical rod press spring base and the frame press spring base of its spherical structure Sphere dimple formation dimensional fits, the planar structure of sphere dynamic pressure spring abutment is provided with and described stage clip dimensional fits blind hole knot Structure, connection spherically mounted with vertical rod press spring base and frame press spring base forms dynamic cooperation, stage clip top to two pieces sphere dynamic pressure spring abutment respectively Lean against on the blind hole structure of two pieces sphere dynamic pressure spring abutment.

Compared with prior art, this bidirectional safe jaw type braking mine car sets braking rail without extra, once there is winch Haulage cable break rope or break off relations situation, mine car rear and front end coupling part loses tractive force, in the recovery elastic force of stage clip Under effect, vertical rod is rotated around bearing pin, and one side vertical rod drives pull bar to be moved rearwards by by arm-tie in rotary course, due to two section ore deposits There is no tractive force between car, and then realize the distance between the two section mine cars that further；Another aspect connecting shaft passage pole drives and connects Bar is moved, and connecting rod then promotes dynamic voussoir to be moved along the wedge surface of dynamic voussoir makes the right-angle side of voussoir near the side of track, when Voussoir is moved behind the right-angle side contact track side of dynamic voussoir to continue to move to and then drive safety tongs support integrally to set in left-right direction The guiding mechanism put is moved horizontally makes the medial surface for determining brake pad also contact track side, and dynamic voussoir passes through during continuing to move to Move the wear-resistant slide block on voussoir right-angle side and determine the frictional force between the wear-resistant slide block on brake pad medial surface and track two sides By mine car braking on track, the locking halted state of this mine car is realized, due to being equipped with the anti-race of braking in vehicle frame rear and front end Car device, therefore haulage cable whether occurs in mine car direction of advance front or behind break rope or situation this ore deposit for breaking off relations Car can mechanical braking rapidly, and be easily installed with maintenance, be particularly well-suited to coal mine inclined shaft hauling operation.

Brief description of the drawings

Fig. 1 be the utility model be in on-position when structural representation；

Fig. 2 be the utility model be in non-brake state when structural representation；

Fig. 3 is partial enlarged drawing when the utility model brakes catcher in on-position；

Fig. 4 is partial enlarged drawing when the utility model brakes catcher in non-brake state；

Fig. 5 is the A-A sectional views of Fig. 4；

Fig. 6 is the B of Fig. 5 to revolved view；

Fig. 7 is the braking schematic diagram of safety tongs brake apparatus when the utility model is in on-position；

Fig. 8 is the C-C sectional views of Fig. 4；

Fig. 9 is the D-D sectional views of Fig. 4；

Figure 10 is the E-E sectional views of Fig. 6；

Figure 11 is the F-F sectional views of Fig. 6；

Figure 12 is the H-H sectional views of Fig. 6；

Figure 13 is the K-K sectional views of Fig. 6；

Figure 14 is the G-G sectional views of Fig. 6.

In figure：1st, pull bar；2nd, frame；3rd, arm-tie；4th, frame press spring base；5th, sphere dynamic pressure spring abutment；6th, stage clip；7th, vertical rod pressure Spring abutment；8th, vertical rod；9th, connecting shaft；10th, pole, 11, connecting rod；12nd, voussoir is moved；12-1, dynamic voussoir guide bar slot；13rd, safety tongs branch Frame；13-1, reseting pressuring spring, 14, horizontal level Positioning screw；15th, stud；16th, buffer spring；17th, voussoir is determined；17-1、 Guide plate；18th, latch；19th, steel ball；20th, spring；21st, Positioning screw；22nd, track, 23, determine brake pad.

Specific embodiment

The utility model is described further below in conjunction with the accompanying drawings.

As shown in Figure 1 and Figure 2, this bidirectional safe jaw type braking mine car includes two sets of braking catchers, and two sets of brakings are anti- Racing car device is symmetrically mounted in the frame 2 of mine car fore-and-aft direction, and the direction of arrow is mine car direction of advance.

Described braking catcher includes sport car information collecting device, transmission device and safety tongs brake apparatus.

As a example by positioned at the braking catcher in front, as shown in Figure 3, Figure 4, described sport car information collecting device bag Include pull bar 1 and arm-tie 3；, horizontal through the pilot hole in frame 2, pull bar 1 can be in the pilot hole of frame 2 for the fore-and-aft direction of pull bar 1 Slide anteroposterior, the front end of pull bar 1 is connected by bearing pin with the round-link chain of prosthomere mine car, and the rear end of pull bar 1 is by bearing pin and arm-tie 3 Front end be hinged.

Described transmission device includes vertical rod 8, connecting shaft 9, pole 10 and back-moving spring mechanism；The middle part of vertical rod 8 and drawing The rear end of plate 3 passes through hinge, as shown in figure 5, the lower end of vertical rod 8 is fixedly connected with the centre position of connecting shaft 9；Connecting shaft 9 are erected in frame 2 by bearing left and right directions level；It is two pieces, the top fixed installation of pole 10 that pole 10 is symmetrical arranged At the two ends of connecting shaft 9, the bottom of two pieces pole 10 is respectively by joint ball bearing and horizontally disposed two companies of fore-and-aft direction The rear end of bar 11 is hinged installation；Back-moving spring mechanism includes stage clip 6, before the rear alignment of stage clip 6 acts against the top of vertical rod 8 Face, the top positioned at vertical rod 8 and the articulated position of arm-tie 3, the front end positioning of stage clip 6 are acted against in frame 2.

As shown in figure 5, it is two sets that described safety tongs brake apparatus is symmetrical set, two sets of safety tongs brake apparatus pair Two tracks 22 are answered to be located at the top of track 22, safety tongs brake apparatus includes safety tongs support 13, surely friction block assembly and move to rub Cleaning block component；Safety tongs support 13 is movably arranged on the lower section of frame 2 by the guiding mechanism that left and right directions is set；Determine brake pad The lateral location that component and dynamic friction block assembly correspond to track 22 respectively is oppositely arranged on the both sides of track 22, and rub block assembly surely Including determining brake pad 23, determine brake pad 23 and set parallel to track 22 and peace is arranged on by horizontally disposed stud 15 On full pincers support 13, determine medial surface of the brake pad 23 in face of the side of track 22 and be provided with wear-resistant slide block；Dynamic friction block assembly includes Dynamic voussoir 12 and determine voussoir 17 that mutual wedge surface coordinates, it is that pre-small post-large wedge structure is arranged on and determines voussoir 17 to move voussoir 12 Inner side, the lateral surface of the right-angle side correspondence track 22 of dynamic voussoir 12 sets and the right-angle side of dynamic voussoir 12 is provided with wear-resistant slide block, Dynamic voussoir 12 is coordinated by guiding mechanism with the wedge surface of voussoir 17 is determined, and moving voussoir 12 can the front and rear shifting on voussoir 17 is determined along its wedge surface The dynamic right-angle side for realizing dynamic voussoir 12 moves the rear end of voussoir 12 by joint ball bearing and connecting rod 11 closer or far from track 22 Front end is hinged installation；The right-angle side for determining voussoir 17 is arranged on safety tongs support 13 by horizontally disposed stud 15.

As a example by positioned at the braking catcher in front, as shown in Fig. 2, Fig. 6, this mine car is by traction steel wire wire saws Normal pull bar 1 drives arm-tie 3 to be moved forward by traction when using, and then vertical rod 8 is turned clockwise band around the center of connecting shaft 9 Dynamic connecting shaft 9 is circumferential to turn clockwise, and the upper compression stage clip 6 of vertical rod 8 in rotary course makes stage clip 6 be in compressive state, together When connecting shaft 9 drive pole 10 rearward pull after drivening rod 11 to move, connecting rod 11 is then pulled and moves voussoir 12 along dynamic voussoir 12 Wedge surface after move make the right-angle side of voussoir 12 away from the side of track 22, realize the non-locking state of this mine car normally travel.

As a example by positioned at the braking catcher in front, as shown in Figure 1, Figure 7 shows, when the wire rope breaking of traction mine car group Afterwards, tractive force is lost between mine car group, under the recovery elastic force effect of stage clip 6, vertical rod 8 is around the center rotate counterclockwise of connecting shaft 9 The circumferential rotate counterclockwise of connecting shaft 9 is driven, one side vertical rod 8 promotes arm-tie 3 to drive pull bar 1 to be moved rearwards by rotary course, by There is no tractive force between two section mine cars, and then realize the distance between the two section mine cars that further；Another aspect connecting shaft 9 drives branch Bar 10 elapses drivening rod 11 and moves forward forwards, and connecting rod 11 then promotes dynamic voussoir 12 to be moved forward along the wedge surface of dynamic voussoir 12 makes wedge The right-angle side of block 12 is near the side of track 22, as shown in figure 8, the dynamic wedge after right-angle side of dynamic voussoir 12 contacts 22 side of track Block 12 continues to move forward and then drive the overall guiding mechanism for setting in left-right direction of safety tongs support 13 to move horizontally to make to determine friction The medial surface of block 23 also contacts the side of track 22, moves wear-resisting on the right-angle side of voussoir 12 by moving during voussoir 12 continues to move forward Sliding block and the frictional force determined between the wear-resistant slide block on the medial surface of brake pad 23 and the two sides of track 22 brake in track mine car On 22, the locking halted state of this mine car is realized.

Braking catcher operation principle and process and the above-mentioned braking catcher positioned at front being located behind Similar, simply direction symmetrically changes, and no longer describes herein.

In order to realize that catcher is braked in entry transportation when mine car does not work, as the utility model Further improvement project, as shown in Fig. 4, the upper end of described vertical rod 8 is provided with the extension handle section for upwardly extending；Described Braking catcher also includes switching device, as shown in figure 9, switching device wears the extension for being connected on vertical rod 8 including radial direction The latch 18 of handle section bottom and the location hole being correspondingly arranged in frame 2；Mine car is needed when entry is transported, operator Member can rearward be promoted from front the extension handle section of vertical rod 8 vertical rod 8 is turned clockwise around the center of connecting shaft 9, dynamic voussoir 12 right-angle side is inserted in frame 2 latch 18 when latch 18 aligns the location hole in frame 2 away from the side of track 22 The positioning of vertical rod 8 is capable of achieving in location hole.

In order to prevent latch 18 in 8 positioning states of vertical rod because of the improper location hole for departing from frame 2 of the reasons such as vibration, make It is further improvement of the utility model scheme, described latch 18 is spaced is provided with the trapezoidal locating slot of two circles, institute in the axial direction Correspondence is located at the position of the trapezoidal locating slot near latch 18 afterbody and is provided with screw in the vertical rod 8 stated, in screw from the outside to the core according to Secondary to be provided with Positioning screw 21, spring 20 and steel ball 19, steel ball 19 is acted against in the trapezoidal locating slot of latch 18；When vertical rod 8 is positioned Latch 18 is in insert state during state, and steel ball 19 is acted against in the trapezoidal locating slot near the afterbody of latch 18；When vertical rod 8 Latch 18 is in extraction state during non-locating state, and steel ball 19 is acted against in the trapezoidal locating slot near the head of latch 18, Can prevent latch 18 from losing.

In order to slow down impulsive force of the wear-resistant slide block to the side of track 22, and then realization prevents wear-resistant slide block Fast Wearing, prolongs The service life of wear-resistant slide block long, as further improvement of the utility model scheme, the described right-angle side for determining voussoir 17 with Between safety tongs support 13, determine to be respectively provided with buffer spring 16 between brake pad 23 and safety tongs support 13, buffer spring 16 can be with The frictional force acted on the side of track 22 is set gradually to increase, and then realization prevents wear-resistant slide block Fast Wearing.

Level is consolidated in order to ensure to determine voussoir 17 and determine brake pad 23 with not deflected in the presence of buffer spring 16 Mobile, used as further improvement of the utility model scheme, as shown in Figure 10, Figure 11, Figure 13, Figure 14, described determines voussoir 17 And determine to be equipped with the guiding mechanism worked in coordination between the rear and front end of brake pad 23 and safety tongs support 13.

In order to safety tongs support 13 automatically resets after realizing braking reset, and then realization prevents wear-resistant slide block Fast Wearing, As further improvement of the utility model scheme, as shown in Fig. 6, Fig. 7, Fig. 8, correspondence safety tongs support in described frame 2 The position of 13 outboard end is provided with reseting pressuring spring 13-1, and reseting pressuring spring 13-1 one end positioning is acted against in frame 2, other end positioning Act against on the outboard end of safety tongs support 13；Being moved during on-position during voussoir 12 moves forward drives safety tongs support 13 overall The guiding mechanism for setting in left-right direction is moved horizontally makes the medial surface for determining brake pad 23 also contact the side of track 22, now resets Stage clip 13-1 is in compressive state, is moved after voussoir 12 is moved when brake release, and safety tongs support 13 is answered reseting pressuring spring 13-1's Elastic force effect lower integral level movement in position resets.

In order to realize being easy to regulation gap to make the right-angle side of voussoir 12 and determine 22 liang of the medial surface and track of brake pad 23 Gap between side is identical, and then realizes more preferable braking effect, as further improvement of the utility model scheme, such as schemes 6th, shown in Fig. 7, Fig. 8, the position of the outboard end of correspondence safety tongs support 13 is additionally provided with horizontal level positioning spiral shell in described frame 2 Nail 14, horizontal level Positioning screw 14 is threadedly coupled with frame 2 and lock is provided between horizontal level Positioning screw 14 and frame 2 Tight nut；By adjusting the extension elongation of the horizontal level Positioning screw 14 at the two ends of safety tongs support 13 or so and passing through locking screw Mother's locking, can conveniently adjustment safety tongs support 13 left and right horizontal position, and then realize being easy to the dynamic voussoir 12 of regulation two pieces with Gap between the two sides of track 22.

Described dynamic voussoir 12 can be provided on safety tongs support 13 with the guiding mechanism for determining the cooperation of the wedge surface of voussoir 17 The pilot hole being oriented to connecting rod 11, or be set directly at dynamic voussoir 12 and the gathering sill determine on voussoir 17 and lead Xiang Jian, because the latter can make voussoir 12 coordinate mobile more accurate and the latter to be easier to control scotch with the wedge surface of voussoir 17 is determined The displacement of the in the vertical direction of block 12, therefore preferably the latter, i.e. as preferred scheme of the present utility model, described dynamic voussoir 12 and determine to be provided with voussoir 17 gathering sill and feather key worked in coordination.

Implement as the dynamic voussoir 12 of the utility model and the one kind for determining the gathering sill and feather key worked in coordination on voussoir 17 Mode, as shown in figure 12, the dynamic wedge being be arranged in parallel with its wedge surface is equipped with the top plane of described dynamic voussoir 12 and baseplane Block guide bar slot 12-1, is equipped with the described top plane for determining voussoir 17 and baseplane and installs the parallel with wedge surface of connection with it The position of the dynamic voussoir guide bar slot 12-1 of the guide plate 17-1 of setting, guide plate 17-1 correspondence is provided with and bends and embedded dynamic voussoir guide bar slot Bending edges in 12-1, the setting of guide plate 17-1 and dynamic voussoir guide bar slot 12-1 can ensure dynamic voussoir 12 and determine voussoir 17 along wedge Face remains contact and energy relative motion.

As a kind of implementation method of the back-moving spring mechanism of the utility model transmission device, as shown in figure 3, described answers Position spring mechanism also includes vertical rod press spring base 7, frame press spring base 4 and sphere dynamic pressure spring abutment 5；Vertical rod press spring base 7 is fixedly mounted on In vertical rod 8, the corresponding vertical rod press spring base 7 of frame press spring base 4 is fixedly mounted in frame 2, vertical rod press spring base 7 and frame press spring base 4 Face in correspondence with each other is respectively provided with into sphere dimple formation；Sphere dynamic pressure spring abutment 5 is dome-type structure, the size of its spherical structure with The sphere dimple formation dimensional fits of vertical rod press spring base 7 and frame press spring base 4, the planar structure of sphere dynamic pressure spring abutment 5 is provided with With the described dimensional fits blind hole structure of stage clip 6, two pieces sphere dynamic pressure spring abutment 5 respectively with vertical rod press spring base 7 and frame press spring base 4 Spherically mounted connection forms dynamic cooperation, and stage clip 6 is acted against on the blind hole structure of two pieces sphere dynamic pressure spring abutment 5.

This bidirectional safe jaw type brakes mine car and sets braking rail without extra, once occur the disconnected rope of winch haulage cable or The situation that person is broken off relations, mine car rear and front end coupling part loses tractive force, and under the recovery elastic force effect of stage clip 6, vertical rod 8 is around even Spindle 9 is rotated, and one side vertical rod 8 drives pull bar 1 to move by arm-tie 3 in rotary course, due to not led between two section mine cars Gravitation, and then realize the distance between the two section mine cars that further；The passage drivening rod 11 of pole 10 of another aspect connecting shaft 9 is moved, Connecting rod 11 then promotes dynamic voussoir 12 to move the side for making the right-angle side of voussoir 12 near track 22 along the wedge surface of dynamic voussoir 12, Dynamic voussoir 12 is continued to move to and then drives the overall edge of safety tongs support 13 after the right-angle side of dynamic voussoir 12 contacts 22 side of track The guiding mechanism that left and right directions is set is moved horizontally and the medial surface for determining brake pad 23 is also contacted the side of track 22, move voussoir 12 after By the wear-resistant slide block that moves on the right-angle side of voussoir 12 and determine the wear-resistant slide block and road on the medial surface of brake pad 23 in continuous moving process Frictional force between the two sides of rail 22 brakes on track 22 mine car, the locking halted state of this mine car is realized, due in car Frame rear and front end is equipped with braking catcher, therefore whether in mine car direction of advance front or behind generation traction steel wire The disconnected rope of rope or situation this mine car for breaking off relations can mechanical braking rapidly, and be easily installed with maintenance, be particularly well-suited to coal Ore deposit incline shaft transport operation.

Claims (8)

1. a kind of bidirectional safe jaw type braking mine car, including two sets of braking catchers, two sets of braking catchers are symmetrical In the frame (2) of mine car fore-and-aft direction；Characterized in that,

Described braking catcher includes sport car information collecting device, transmission device and safety tongs brake apparatus；

Described sport car information collecting device includes pull bar (1) and arm-tie (3)；Pull bar (1) fore-and-aft direction is horizontal through frame (2) On pilot hole, the front end of pull bar (1) is connected with round-link chain, and rear end and the front end of arm-tie (3) of pull bar (1) are articulated and connected；

Described transmission device includes vertical rod (8), connecting shaft (9), pole (10) and back-moving spring mechanism；The middle part of vertical rod (8) Rear end with arm-tie (3) is articulated and connected, and the lower end of vertical rod (8) is fixedly connected with the centre position of connecting shaft (9)；Connecting shaft (9) It is erected in frame (2) by bearing left and right directions level；It is two pieces that pole (10) is symmetrical arranged, and the top of pole (10) is fixed Installed in the two ends of connecting shaft (9), the bottom of two pieces pole (10) is horizontally disposed with by joint ball bearing with fore-and-aft direction respectively The rear end of two connecting rods (11) be hinged installation；Back-moving spring mechanism includes stage clip (6), and the rear alignment of stage clip (6) is acted against The upper front of vertical rod (8), the top positioned at vertical rod (8) and arm-tie (3) articulated position, the front end positioning of stage clip (6) are acted against In frame (2)；

It is two sets that described safety tongs brake apparatus is symmetrical set, two sets of safety tongs brake apparatus two tracks (22) of correspondence Positioned at track (22) top, safety tongs brake apparatus includes safety tongs support (13), rub block assembly and dynamic friction block assembly surely； Safety tongs support (13) is movably arranged on the lower section of frame (2) by the guiding mechanism that left and right directions is set, correspondence in frame (2) The position of the outboard end of safety tongs support (13) is provided with reseting pressuring spring (13-1), and reseting pressuring spring (13-1) one end positioning acts against machine On frame (2), the other end positioning act against on the outboard end of safety tongs support (13)；Surely friction block assembly and dynamic friction block assembly divide Not Dui Ying the lateral location of track (22) be oppositely arranged on the both sides of track (22), the block assembly that rubs surely includes determining brake pad (23), determine brake pad (23) to be set parallel to track (22) and by horizontally disposed stud (15) installed in safety tongs On support (13), determine medial surface of the brake pad (23) in face of track (22) side and be provided with wear-resistant slide block；Dynamic friction block assembly bag Include the dynamic voussoir (12) of mutual wedge surface cooperation and determine voussoir (17), dynamic voussoir (12) is that pre-small post-large wedge structure is arranged on calmly The inner side of voussoir (17), the lateral surface for moving right-angle side correspondence track (22) of voussoir (12) sets and moves the right angle of voussoir (12) Side is provided with wear-resistant slide block, and dynamic voussoir (12) is coordinated by guiding mechanism with voussoir (17) wedge surface is determined, and moves the rear end of voussoir (12) Installation is hinged by the front end of joint ball bearing and connecting rod (11)；The right-angle side of voussoir (17) is determined by horizontally disposed double end spiral shell Bolt (15) is on safety tongs support (13)；Determine between the right-angle side of voussoir (17) and safety tongs support (13), determine brake pad (23) buffer spring (16) is respectively provided with and safety tongs support (13) between.

2. bidirectional safe jaw type according to claim 1 brakes mine car, it is characterised in that the upper end of described vertical rod (8) It is provided with the extension handle section for upwardly extending；Described braking catcher also includes switching device, and switching device is included radially The location hole that direction is worn the latch (18) of the extension handle section bottom for being connected on vertical rod (8) and is correspondingly arranged in frame (2).

3. bidirectional safe jaw type according to claim 2 brakes mine car, it is characterised in that described latch (18) is along axis Direction interval is provided with the trapezoidal locating slot of two circles, and correspondence is located at the trapezoidal positioning near latch (18) afterbody in described vertical rod (8) The position of groove is provided with screw, is sequentially provided with Positioning screw (21), spring (20) and steel ball (19), steel ball in screw from the outside to the core (19) act against in the trapezoidal locating slot of latch (18).

4. bidirectional safe jaw type according to claim 1 braking mine car, it is characterised in that described to determine voussoir (17) and calmly The guiding mechanism worked in coordination is equipped between the rear and front end of brake pad (23) and safety tongs support (13).

5. bidirectional safe jaw type according to claim 1 brakes mine car, it is characterised in that correspondence in described frame (2) The position of the outboard end of safety tongs support (13) is additionally provided with horizontal level Positioning screw (14), horizontal level Positioning screw (14) with Frame (2) is threadedly coupled and is provided with locking nut between horizontal level Positioning screw (14) and frame (2).

6. the bidirectional safe jaw type according to claim 1 or 2 or 3 brakes mine car, it is characterised in that described dynamic voussoir (12) and determine to be provided with the gathering sill and feather key worked in coordination on voussoir (17).

7. bidirectional safe jaw type according to claim 6 brakes mine car, it is characterised in that the top of described dynamic voussoir (12) The dynamic voussoir guide bar slot (12-1) being be arranged in parallel with its wedge surface, the described top for determining voussoir (17) are equipped with plane and baseplane It is equipped with plane and baseplane and guide plate (17-1) that be connected and wedge surface be arranged in parallel, guide plate (17-1) correspondence is installed with it The position of dynamic voussoir guide bar slot (12-1) is provided with the bending edges bent and in embedded dynamic voussoir guide bar slot (12-1).

8. the bidirectional safe jaw type according to claim 1 or 2 or 3 brakes mine car, it is characterised in that described back-moving spring Mechanism also includes vertical rod press spring base (7), frame press spring base (4) and sphere dynamic pressure spring abutment (5)；Vertical rod press spring base (7) is fixedly mounted In vertical rod (8), frame press spring base (4) correspondence vertical rod press spring base (7) be fixedly mounted in frame (2), vertical rod press spring base (7) and Frame press spring base (4) face in correspondence with each other is respectively provided with into sphere dimple formation；Sphere dynamic pressure spring abutment (5) is dome-type structure, its The size of spherical structure and vertical rod press spring base (7) and the sphere dimple formation dimensional fits of frame press spring base (4), sphere dynamic pressure spring The planar structure of seat (5) is provided with and described stage clip (6) dimensional fits blind hole structure, two pieces sphere dynamic pressure spring abutment (5) difference Connection spherically mounted with vertical rod press spring base (7) and frame press spring base (4) forms dynamic cooperation, and stage clip (6) acts against two pieces sphere and moves On the blind hole structure of press spring base (5).