CN208469827U - Bidirectional hook formula automatic brake mine car with tooth form braking rail - Google Patents

Bidirectional hook formula automatic brake mine car with tooth form braking rail Download PDF

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Publication number
CN208469827U
CN208469827U CN201820466017.XU CN201820466017U CN208469827U CN 208469827 U CN208469827 U CN 208469827U CN 201820466017 U CN201820466017 U CN 201820466017U CN 208469827 U CN208469827 U CN 208469827U
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CN
China
Prior art keywords
brake
braking
brake arm
pressure spring
rack
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Expired - Fee Related
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CN201820466017.XU
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Chinese (zh)
Inventor
李英明
陆兴华
朱亚
苏含玉
刘忠鸣
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Xuzhou University of Technology
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Xuzhou University of Technology
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Priority to CN201820466017.XU priority Critical patent/CN208469827U/en
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Publication of CN208469827U publication Critical patent/CN208469827U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of bidirectional hook formula automatic brake mine car with tooth form braking rail, two sets of braking prevent-moving car components are symmetrically mounted on mine car in the front-back direction in rack, and the flute profile braking rail that upper plane is equipped with uniformly distributed tooth-shape structure along the longitudinal direction is parallel to tramroad setting;Braking prevent-moving car component includes disconnected rope sport car information collection transfer device, brake apparatus and the resetting apparatus of corresponding flute profile braking rail position setting;Disconnected rope sport car information collection transfer device includes gear ring, transmission gear, transmission shaft, drive sleeve, drive sleeve axial moving mechanism;Brake apparatus includes brake arm and braking pressure spring mechanism, and brake arm socket is mounted on Bogie truck axles, and the end of brake arm is equipped with brake axle, and braking pressure spring positioning acts against on brake arm and rack.This mine car uses pure mechanic structure, can be removed in inclined gallery any position other than knick point because it is disconnected restrict, active brake when derailing accident caused by unhook etc., especially suitable for coal mine inclined shaft hauling operation.

Description

Bidirectional hook formula automatic brake mine car with tooth form braking rail
Technical field
The utility model relates to a kind of mine car with braking function, specifically a kind of band suitable for coal mine inclined shaft transport The bidirectional hook formula automatic brake mine car of tooth form braking rail, belongs to coal mine machinery equipment technology field.
Background technique
The transport of slope vehicle braking rail is a kind of means of transportation that the mines such as coal mine are widely used, and types of transportation is to pass through It is mounted on the winch traction mine car group above inclined shaft to be transported, if occurring phenomena such as disconnected rope, chain rupture or disconnected pin when mine car is run The problem of mine car or mine car group column sport car will be caused, cause casualty accident of keeping the safety in production.
Currently used catcher usually has two kinds of forms of passive type catcher and active catcher. Passive type catcher is usually the speed of service for monitoring mine car by sensor in mine, once discovery stall condition benefit With keeping off a car, net or arrester stop mine car, and this mode is disadvantageous in that: blocking apparatus weight is larger, and in-site installation is carried And inconvenient maintenance, it is difficult to universal to use;Blocking apparatus is typically only capable to disposable, not only wastes material, but also to destroy mine raw The continuity of production, processing accident are time-consuming and laborious;Antidust capability, the corrosion resistance of monitoring device are poor, long-time use process In not only performance it is unstable, difficult in maintenance, but also the influence of the disturbing factors such as easy electromagnetic wave is easily lost in use process Spirit, failure or malfunction.Active catcher is usually that electron detection device is installed on mine car, using pawl to mine Vehicle braking, the defect of this mode are: not only equipment debugging, maintenance program complexity etc. are many and diverse, but also used in equipment Electronic product still remains the problem that Antidust capability is poor, corrosion resistance is poor, interference free performance is poor, difficult in maintenance.
Summary of the invention
In view of the above-mentioned problems, the utility model provides a kind of bidirectional hook formula automatic brake mine car with tooth form braking rail, Using pure mechanic structure, can be removed in inclined gallery any position other than knick point because of disconnected rope, break off relations etc. caused by derailing accident When active brake, and be easily installed and safeguard, especially suitable for coal mine inclined shaft hauling operation.
To achieve the above object, this bidirectional hook formula automatic brake mine car with tooth form braking rail includes two sets of anti-races of braking Vehicle component, two sets of braking prevent-moving car components are symmetrically mounted in the rack of mine car direction of advance, and flute profile braking rail is parallel to mine car Track is arranged and is fixedly mounted between two tramroads, and the upper plane of flute profile braking rail is equipped with uniformly distributed along the longitudinal direction Tooth-shape structure;
The braking prevent-moving car component includes the disconnected rope sport car information collection transmitting of corresponding flute profile braking rail position setting Device, brake apparatus and resetting apparatus;
The disconnected rope sport car information collection transfer device includes wheel, gear ring, transmission gear, transmission shaft, drive sleeve, biography Dynamic set axial moving mechanism;Gear ring be arranged in the medial surface of wheel and with wheel is concentric is fixedly installed;Transmission shaft passes through a bearing left side Right direction is set up on the rack, and transmission gear is fixedly mounted on the outboard end of transmission shaft and engages with gear ring teeth portion with merging, position It is equipped with the locating flange being fixedly connected with transmission shaft in the outer circumference surface of the transmission shaft of transmission gear interior direction, is located at positioning The transmission shaft of flange interior direction is equipped with spline segment;The internal spline cooperated with the spline segment of transmission shaft is equipped with inside drive sleeve, Drive sleeve is mounted on the spline segment on the spline segment of transmission shaft and with transmission shaft by internal spline socket and forms free-sliding spline pair, The inner end of drive sleeve is equipped with the cylindrical locating detent stretched out inwardly along its axial direction, the outboard end of drive sleeve and positioning It is additionally provided with reseting pressuring spring between flange, the wedge surface guiding along the setting of its circumferential direction is also fixed on the outer surface of drive sleeve Ring, the annular wedge surface of wedge surface guide ring is located at the medial surface of wedge surface guide ring, on the transmission shaft of locating flange interior direction It is additionally provided with thread segment and thread segment is located at the outboard end equipped with spline segment, be additionally provided with adjusting nut engaged therewith on thread segment, The inner end of reseting pressuring spring acts against on the outboard end of drive sleeve, the outboard end of reseting pressuring spring acts against on adjusting nut;Transmission Set axial moving mechanism corresponds to the position setting of wedge surface guide ring, and drive sleeve axial moving mechanism includes sleeve, wedge shape plug, wedge Shape plug controls pressure spring and wirerope, sleeve be fixedly mounted on the rack and the axial direction of sleeve perpendicular to transmission shaft axis It is arranged to direction, wedge shape plug, which is worn, to be connect the bottom end for being mounted on sleeve inner and wedge shape plug and set towards the position of wedge surface guide ring There is the bevel structure with the cooperation of wedge surface guide ring, bottom end and the wedge surface guide ring of wedge shape plug constitute wedge surface cooperation and wedge surface is matched The wedge surface sliding stroke of conjunction is greater than the length dimension of locating detent, and the top of wedge shape plug and one end of wirerope connect, wedge shape Plug controls pressure spring setting in sleeve inner, and one end of wedge shape plug control pressure spring acts against on the top end face of sleeve, the other end It acts against on wedge shape plug, the other end of wirerope connects the drawing pull bar for being mounted on front end of rack and connect with wearing, and drive sleeve is axial Mobile mechanism further includes rack-mounted guide wheel for steel wire, and one end of wirerope is inserted by guide wheel for steel wire along wedge shape The axial direction of head is connect with wedge shape plug;
The brake apparatus includes brake arm and braking pressure spring mechanism;Mine car car body is arranged in brake arm front-rear direction Lower section, the position socket that brake arm is located inside on mine car car body front-rear direction is mounted on Bogie truck axles and brake arm is in mine Axially position on the axial direction of axletree, brake arm are located at the end on the outside of mine car car body front-rear direction equipped with the company of being secured to Connecing, with the tooth-shape structure dimensional fits of flute profile braking rail, left and right directions setting brake axle, brake arm is in left and right directions The position that side corresponds to locating detent is equipped with fastening hole, and the outer diameter of internal diameter and locating detent is equipped in fastening hole The sliding bearing of dimensional fits;Braking pressure spring mechanism includes braking pressure spring, and the bottom end positioning for braking pressure spring acts against on brake arm, The top positioning of braking pressure spring abuts against on the rack;
The resetting apparatus includes vertical connecting rod and restoring lever;Vertical connecting rod bottom end is hingedly mounted on braking by connecting pin On arm, one end of top and restoring lever connected by joint ball bearing hinge connection, the body of rod of restoring lever is hinged by swivel pin It is mounted on the rack, the other end of restoring lever is equipped with operation handle.
As further improvement of the utility model scheme, the drive sleeve axial moving mechanism further include centrifugation bar, Tappet and centrifugal globe;The centrifugation bar one end for setting at least to two pieces is respectively relative to center transmission shaft and is symmetrically articulated and connected in fixed Position flange, the other end respectively with corresponding centrifugal globe connect, set at least to two pieces tappet one end respectively correspond two pieces from The position articulated connection of core bar is hingedly connected to the body of rod of two pieces centrifugation bar, centrifugation bar and tappet structure in drive sleeve, the other end At triangular structure.
As further improvement of the utility model scheme, the braking prevent-moving car component further includes switching device, is opened Closing device includes wearing the bolt connect in restoring lever on the body of rod of operation handle position and being correspondingly arranged on the rack Location hole.
As further improvement of the utility model scheme, the bolt is spaced that be provided with two circles trapezoidal fixed in the axial direction Position slot, the corresponding position for being located at the trapezoidal locating slot close to bolt tail portion is provided with screw hole in the restoring lever, in screw hole from It is successively arranged positioning screw, spring and steel ball outside to inside, steel ball acts against in the trapezoidal locating slot of bolt.
As further improvement of the utility model scheme, the brake arm is socketed in the socket position on Bogie truck axles It is arranged to the oval pore structure on brake arm length direction, brake arm is located at the medial end on mine car car body front-rear direction also It is fixed with the buffer gear of corresponding oval pore structure, buffer gear includes that shell, axis card, buffer spring and end cap, shell are Hollow structure, the hollow structure of shell set gradually axis card, buffer spring and end cap from inside to outside, and axis card is connected to Bogie truck axles On, buffer spring one end acts against on axis card, the other end acts against on end cap, and end cap is fixedly connected with the casing.
As further improvement of the utility model scheme, the end cap is connected through a screw thread with shell.
As further improvement of the utility model scheme, brake sleeve, brake sleeve are set on the brake axle It rolls and connects with brake axle.
A kind of embodiment of braking pressure spring mechanism as the utility model transmission device, the braking pressure spring mechanism It further include brake arm press spring base, rack press spring base and spherical surface dynamic pressure spring abutment;Brake arm press spring base is fixedly mounted on brake arm, machine Frame press spring base corresponds to brake arm press spring base and is fixedly mounted on the rack, the face of brake arm press spring base and rack press spring base in correspondence with each other It is respectively provided with into spherical surface dimple formation;Spherical surface dynamic pressure spring abutment is hemispherical structure, the size and brake arm press spring base of spherical structure It is equipped with and the braking pressure with the planar structure of the spherical surface dimple formation dimensional fits of rack press spring base, spherical surface dynamic pressure spring abutment Spring dimensional fits blind hole structure, two pieces spherical surface dynamic pressure spring abutment respectively with brake arm press spring base and the spherically mounted connection of rack press spring base Dynamic cooperation is formed, braking pressure spring acts against on the blind hole structure of two pieces spherical surface dynamic pressure spring abutment.
Compared with prior art, this bidirectional hook formula automatic brake mine car with tooth form braking rail uses pure mechanic structure, Once there is a situation where the disconnected rope of winch haulage cable or break off relations, the drawing pull bar of mine car front end i.e. due to losing tractive force by Wirerope drawing recession, wedge shape plug control pressure spring discharge rapidly elastic force and release wedge shape plug to the direction of wedge surface guide ring, Wedge surface cooperation pushes drive sleeve that the outside side slip of the elastic force of reseting pressuring spring is overcome to deviate from locating detent from sliding bearing, is making The recovery elastic force of dynamic pressure spring, which acts on lower brake arm and rotates clockwise to fall around the center of Bogie truck axles, makes brake axle be caught in flute profile system In the tooth-shape structure of dynamic rail, the locking halted state of this mine car is realized, due to being equipped with braking prevent-moving car in rack rear and front end Component, therefore whether in mine car direction of advance front or behind, there is a situation where the disconnected ropes of haulage cable or this mine car that breaks off relations Can rapid mechanical braking, can be removed in inclined gallery any position other than knick point because of disconnected rope, break off relations etc. caused by sport car Active brake when accident, and be easily installed and safeguard, especially suitable for coal mine inclined shaft hauling operation.
Detailed description of the invention
Fig. 1 is the utility model braking prevent-moving car component arragement construction schematic diagram on mine car when being in on-position;
Fig. 2 is the utility model braking prevent-moving car component arragement construction schematic diagram on mine car when being in non-brake state;
Fig. 3 is Fig. 2 braking prevent-moving car component partial enlarged view;
Fig. 4 is Fig. 1 braking prevent-moving car component partial enlarged view;
Fig. 5 is the A-A cross-sectional view of Fig. 3;
Fig. 6 is intermediate brake arm partial enlarged view in the A-A cross-sectional view of Fig. 3;
Fig. 7 is the B direction view of Fig. 3;
The C-C cross-sectional view of Fig. 8 Fig. 7 rotates.
In figure: 1, wheel;2, gear ring;3, transmission gear;4, rack, 5, transmission shaft, 6, locating flange, 7, centrifugation bar, 8, Tappet, 9, drive sleeve, 9-1, locating detent, 9-2, wedge surface guide ring, 10, centrifugal globe, 11, reseting pressuring spring, 12, drive sleeve axis To mobile mechanism, 12-1, sleeve, 12-2, wedge shape plug, 12-3, wedge shape plug control pressure spring, 12-4, wirerope, 12-5, steel Cord directive wheel, 13, brake arm, 13-1, brake axle, 13-2, shell, 13-3, axis card, 13-4, buffer spring, 13-5, end cap, 13-6, brake sleeve, 13-7, sliding bearing, 14, Bogie truck axles, 15, braking pressure spring mechanism, 15-1, braking pressure spring, 15-2, system Swing arm press spring base, 15-3, rack press spring base, 15-4, spherical surface dynamic pressure spring abutment, 16, connecting pin, 17, vertical connecting rod, 18, joint ball axis It holds, 19, restoring lever, 20, swivel pin, 21, bolt, 21-1, positioning screw, 21-2, spring, 21-3, steel ball, 23, flute profile system Dynamic rail, 24, drawing pull bar.
Specific embodiment
The utility model is described further (below with the direction relative to mine car car body towards mine with reference to the accompanying drawing The direction of vehicle car body is inside, is outside description away from the direction of mine car car body).
As shown in Figures 1 to 4, this bidirectional hook formula automatic brake mine car with tooth form braking rail, including two sets of brakings are anti- Sport car component, two sets of braking prevent-moving car components are symmetrically mounted on mine car in the front-back direction in rack 4, and arrow direction is that mine car advances Direction, flute profile braking rail 23 are parallel to tramroad and are arranged and are fixedly mounted between two tramroads, flute profile braking rail 23 upper plane is equipped with uniformly distributed tooth-shape structure along the longitudinal direction.
The braking prevent-moving car component includes that the disconnected rope sport car information collection of corresponding 23 position of flute profile braking rail setting passes Delivery device, brake apparatus and resetting apparatus.
As shown in figure 5, the disconnected rope sport car information collection transfer device includes wheel 1, gear ring 2, transmission gear 3, passes Moving axis 5, drive sleeve 9, drive sleeve axial moving mechanism 12;The medial surface of wheel 1 and concentric fixed with wheel 1 is arranged in gear ring 2 Setting;Transmission shaft 5 is erected in rack 4 by bearing left and right directions, and transmission gear 3 is fixedly mounted on the outside of transmission shaft 5 Hold simultaneously with 2 teeth portion of gear ring with merge engage, positioned at 3 interior direction of transmission gear transmission shaft 5 outer circumference surface equipped with and biography The locating flange 6 that moving axis 5 is fixedly connected, the transmission shaft 5 positioned at 6 interior direction of locating flange are equipped with spline segment;In drive sleeve 9 Portion is equipped with the internal spline cooperated with the spline segment of transmission shaft 5, and drive sleeve 9 is mounted on the spline of transmission shaft 5 by internal spline socket Duan Shang simultaneously forms free-sliding spline pair with the spline segment of transmission shaft 5, and the inner end of drive sleeve 9 is equipped with along its axial direction inwardly The cylindrical locating detent 9-1 of stretching is additionally provided with reseting pressuring spring 11, drive sleeve between the outboard end and locating flange 6 of drive sleeve 9 The wedge surface guide ring 9-2 along the setting of its circumferential direction, the annular wedge surface of wedge surface guide ring 9-2 are also fixed on 9 outer surface Positioned at the medial surface of wedge surface guide ring 9-2;The position setting of the corresponding wedge surface guide ring 9-2 of drive sleeve axial moving mechanism 12, passes Dynamic set axial moving mechanism 12 controls pressure spring 12-3 and wirerope 12-4 including sleeve 12-1, wedge shape plug 12-2, wedge shape plug, Sleeve 12-1 is fixedly mounted in rack 4 and the axial direction of sleeve 12-1 is arranged perpendicular to the axial direction of transmission shaft 5, wedge Shape plug 12-2 wears to connect and be mounted on inside sleeve 12-1 and position of the bottom end of wedge shape plug 12-2 towards wedge surface guide ring 9-2 Equipped with the bevel structure cooperated with wedge surface guide ring 9-2, the bottom end of wedge shape plug 12-2 and wedge surface guide ring 9-2 constitute wedge surface Cooperation and wedge surface cooperation wedge surface sliding stroke be greater than locating detent 9-1 length dimension, the top of wedge shape plug 12-2 with One end of wirerope 12-4 connects, and wedge shape plug controls pressure spring 12-3 and is arranged inside sleeve 12-1, and wedge shape plug controls pressure spring One end of 12-3 acts against on the top end face of sleeve 12-1, the other end acts against on wedge shape plug 12-2, and wirerope 12-4's is another One end connects the drawing pull bar 24 for being mounted on 4 front end of rack and connect with wearing.
As shown in Figure 3, Figure 4, the brake apparatus includes brake arm 13 and braking pressure spring mechanism 15;13 front and back of brake arm The lower section of mine car car body is arranged in direction, and the position socket that brake arm 13 is located inside on mine car car body front-rear direction is mounted on mine On axletree 14 and the axially position on the axial direction of Bogie truck axles 14 of brake arm 13, before brake arm 13 is located at mine car car body End on the outside of rear direction is equipped be firmly connected with it, with the tooth-shape structure dimensional fits of flute profile braking rail 23, right and left To the brake axle 13-1 of setting, the position that the side of brake arm 13 in left and right directions corresponds to locating detent 9-1 is positioned equipped with bolt Hole, the sliding bearing 13-7 that the interior outer diameter equipped with internal diameter and locating detent 9-1 of fastening hole cooperates;Brake pressure spring Mechanism 15 includes braking pressure spring 15-1, and the bottom end positioning of braking pressure spring 15-1 acts against on brake arm 13, braking pressure spring 15-1's Top positioning acts against in rack 4.
As shown in fig. 7, the resetting apparatus includes vertical connecting rod 17 and restoring lever 19;17 bottom end of vertical connecting rod passes through connection Pin 16 is hingedly mounted on brake arm 13, one end of top and restoring lever 19 passes through joint ball bearing 18 and is articulated and connected, and resets The body of rod of lever 19 is hingedly mounted in rack 4 by swivel pin 20, and the other end of restoring lever 19 is equipped with operation handle.
For being located at the braking prevent-moving car component in front, as shown in Figure 2 and Figure 3, haulage cable or chain pass through traction When pull rod 24 draws this mine car normally travel, wirerope 12-4 is in exceptionally straight state, locating detent 9-1 by the traction of drawing pull bar 24 Be entrapped in sliding bearing 13-7, brake arm 13 under the collective effect of transmission shaft 5 and drive sleeve 9 in horizontal vacant state, The bottom end of wedge shape plug 12-2 is in the state of separate wedge surface guide ring 9-2, wedge shape plug control pressure spring 12-3 in compression at this time Energy storage state, reseting pressuring spring 11 be in release conditions, braking pressure spring 15-1 be in compression energy storage state, wheel 1 by gear ring 2, Transmission gear 3 drives transmission shaft 5 to rotate, and transmission shaft 5 drives drive sleeve 9 to rotate locating detent 9-1 in sliding bearing 13-7, Realize the non-locking state of this mine car normally travel.
By be located at front braking prevent-moving car component for, as Figure 1 and Figure 4, when traction mine car haulage cable or After the disconnected rope of chain, wirerope 12-4 loses tractive force and relaxes, and the pressure spring 12-3 of wedge shape plug control at this time discharges rapidly elastic force will Wedge shape plug 12-2 is released to the direction of wedge surface guide ring 9-2, and the bottom end of wedge shape plug 12-2 and wedge surface guide ring 9-2 constitute wedge Face cooperation, wedge surface cooperation push drive sleeve 9 to overcome reseting pressuring spring 11 under the elastic force effect of wedge shape plug control pressure spring 12-3 Elastic force outside side slip on the spline segment of transmission shaft 5, locating detent 9-1 is from sliding bearing 13-7 in 9 slipping of drive sleeve Interior abjection, brake arm 13 is rotated clockwise around the center of Bogie truck axles 14 under the recovery elastic force effect of braking pressure spring 15-1, is made Brake axle 13-1, which is fallen, in 13 rotary course of swing arm is caught in the tooth-shape structure of flute profile braking rail 23, realizes that the locking of this mine car stops Only state.The operation handle of restoring lever 19 is pulled when releasing locking state, vertical connecting rod 17 can lift brake arm 13, again Locating detent 9-1, which can be penetrated, after drawing pull bar 24 is connect with haulage cable or chain realizes braking in sliding bearing 13-7 The reset of arm 13.
The braking prevent-moving car component operation principle and process being located behind and the above-mentioned braking prevent-moving car component positioned at front Similar, only direction symmetrically changes, and no longer describes herein.
Mine car underground coal mine using when usually connect into mine car group from beginning to end, and the haulage cable in mine car group front end Or the often haulage cable between mine car or chain and unbroken when chain breakage, therefore it is whole gradually to often result in mine car group Quickly glide and cause runaway accident, and if mine car group when integrally gliding drawing pull bar 24 pull wirerope 12-4 tractive force it is still big Power is stored in the compression of wedge shape plug control pressure spring 12-3, then the rope sport car information collection transfer device that breaks can not act, in order to prevent The occurrence of such, as further improvement of the utility model scheme, the drive sleeve axial moving mechanism 12 is also wrapped Include centrifugation bar 7, tappet 8 and centrifugal globe 10;7 one end of centrifugation bar for setting at least to two pieces is respectively relative to 5 center of transmission shaft Symmetrical articulated connection is connected with corresponding centrifugal globe 10 respectively in locating flange 6, the other end, sets at least to the tappet of two pieces The position articulated connection that 8 one end respectively correspond two pieces centrifugation bar 7 is hingedly connected to two pieces centrifugation bar 7 in drive sleeve 9, the other end The body of rod, centrifugation bar 7 and tappet 8 constitute triangular structure.When mine car group is in the driving state for losing tractive force, wheel 1 Revolving speed be getting faster, and then make gear ring 2 with nutating gear 3 and transmission shaft 5 gradually high speed rotation, the gradually high speed of transmission shaft 5 Centrifugal globe 10 is gradually mobile far from transmission shaft 5 to the radial direction of transmission shaft 5 under the influence of centrifugal force during rotation, from It is outside on the spline segment of transmission shaft 5 to tilt the drawing drive drive sleeve 9 of tappet 8 for drive centrifugation bar 7 in 10 moving process of bulbus cordis Side slip, when mine car has been more than the retro-speed of setting, drive sleeve 9 overcomes the elastic force of reseting pressuring spring 11 and compresses reseting pressuring spring 11, locating detent 9-1 deviates from from sliding bearing 13-7 in 9 slipping of drive sleeve, in the recovery elastic force of braking pressure spring 15-1 It acts on lower brake arm 13 to rotate clockwise around the center of Bogie truck axles 14, brake axle 13-1 falls card in 13 rotary course of brake arm In the tooth-shape structure for entering flute profile braking rail 23, the locking halted state of this mine car is realized.
Disconnected rope sport car information collection transfer device is adjusted in order to realize the reseting elasticity for adjusting reseting pressuring spring 11, and then realize The opportunity of movement, as further improvement of the utility model scheme, on the transmission shaft 5 of 6 interior direction of locating flange also Equipped with thread segment and thread segment is located at the outboard end equipped with spline segment, is additionally provided with adjusting nut engaged therewith on thread segment, multiple The inner end of position pressure spring 11 acts against on the outboard end of drive sleeve 9, the outboard end of reseting pressuring spring 11 acts against on adjusting nut.It is logical Crossing rotating adjusting nut may be implemented to compress or discharge reseting pressuring spring 11, and then realize the reseting elasticity for adjusting reseting pressuring spring 11.
In order to realize the axial position drawing wedge shape plug 12-2 of wirerope 12-4 effectively edge drawing wedge shape plug 12-2, prevent The unstability of wedge shape plug 12-2 pulling motion caused by only being pulled because of unbalance loading, as further improvement of the utility model side Case, the drive sleeve axial moving mechanism 12 further include the guide wheel for steel wire 12-5 being mounted in rack 4, wirerope 12-4 One end connect with wedge shape plug 12-2 along the axial direction of wedge shape plug 12-2 by guide wheel for steel wire 12-5.
In order to prevent this mine car entry normal speed when driving locating detent 9-1 because the reasons such as vibration it is improper de- Sliding bearing 13-7 out, as further improvement of the utility model scheme, as shown in fig. 7, the braking prevent-moving car component It further include switching device, switching device includes wearing the bolt 21 connect in restoring lever 19 on the body of rod of operation handle position With the location hole being correspondingly arranged in rack 4;Mine car needs that bolt 21 is inserted into rack 4 and is determined in entry transport The positioning of brake arm 13 can be realized in the hole of position.
Bolt 21 is in 13 positioning states of brake arm because of the improper positioning for being detached from rack 4 of the reasons such as vibration in order to prevent Hole, as further improvement of the utility model scheme, as shown in figure 8, the bolt 21 is spaced in the axial direction is provided with two Trapezoidal locating slot is enclosed, the corresponding position for being located at the trapezoidal locating slot close to 21 tail portion of bolt is provided with spiral shell in the restoring lever 19 Hole is successively arranged positioning screw 21-1, spring 21-2 and steel ball 21-3 in screw hole from the outside to the core, and steel ball 21-3 acts against bolt 21 Trapezoidal locating slot in;When 13 positioning states of brake arm, bolt 21 is in insert state, and steel ball 21-3 is acted against positioned at close In the trapezoidal locating slot of 21 tail portion of bolt;When 13 non-locating state of brake arm, bolt 21 is in extraction state, the top steel ball 21-3 It leans against and is located in the trapezoidal locating slot on 21 head of bolt, can prevent bolt 21 from losing.
The process braked in the tooth-shape structure for being caught in flute profile braking rail 23 is fallen in the brake axle 13-1 of brake arm 13 In, in order to slow down brake arm 13 to the instant impact of Bogie truck axles 14, and then realizing prevents Bogie truck axles 14 because of moment stress Excessive and Bending Damage, as further improvement of the utility model scheme, as shown in fig. 6, the brake arm 13 is socketed in Socket position on Bogie truck axles 14 is arranged to the oval pore structure on 13 length direction of brake arm, and brake arm 13 is located at mine car Medial end on car body front-rear direction is also fixed with the buffer gear of corresponding oval pore structure, as shown in Fig. 4, Fig. 8, buffering Mechanism includes that shell 13-2, axis card 13-3, buffer spring 13-4 and end cap 13-5, shell 13-2 are hollow structure, shell 13-2 Hollow structure set gradually axis card 13-3, buffer spring 13-4 and end cap 13-5 from inside to outside, axis card 13-3 is connected to mine car On wheel shaft 14, the one end buffer spring 13-4 is acted against on axis card 13-3, the other end acts against on end cap 13-5, end cap 13-5 with Shell 13-2 is fixedly connected;It is carried out when the brake axle 13-1 of brake arm 13 is fallen in the tooth-shape structure for being caught in flute profile braking rail 23 During braking, the instant impact that brake arm 13 acts on Bogie truck axles 14 is alleviated by buffer spring 13-4, Jin Ershi Now slow down brake arm 13 instant impact, the impact force of Bogie truck axles 14 are gradually increased and acts on Bogie truck axles 14.
It is described as further improvement of the utility model scheme for the ease of adjusting the cushion effect of buffer spring 13-4 End cap 13-5 and shell 13-2 be connected through a screw thread, by rotating end cap 13-5 may be implemented compress or unclamp buffer spring 13-4, and then realize the cushion effect for adjusting buffer spring 13-4.
The table of brake axle 13-1 during brake axle 13-1 is caught in the tooth-shape structure of flute profile braking rail 23 in order to prevent Sliding friction between face and the tooth-shape structure of flute profile braking rail 23 causes brake axle 13-1 to damage, as the utility model into One step improvement project is set with brake sleeve 13-6, brake sleeve 13-6 and brake axle 13-1 rolling on the brake axle 13-1 Dynamic connection.
A kind of embodiment of braking pressure spring mechanism 15 as the utility model transmission device, as shown in Figure 3, Figure 4, institute The braking pressure spring mechanism 15 stated further includes brake arm press spring base 15-2, rack press spring base 15-3 and spherical surface dynamic pressure spring abutment 15-4;System Swing arm press spring base 15-2 is fixedly mounted on brake arm 13, and rack press spring base 15-3 corresponds to brake arm press spring base 15-2 fixed installation In rack 4, the face of brake arm press spring base 15-2 and rack press spring base 15-3 in correspondence with each other is respectively provided with into spherical surface dimple formation;Ball Face dynamic pressure spring abutment 15-4 is hemispherical structure, the size and brake arm press spring base 15-2 and rack press spring base 15-3 of spherical structure Spherical surface dimple formation dimensional fits, the planar structure of spherical surface dynamic pressure spring abutment 15-4 is equipped with and the braking pressure spring 15-1 ruler Very little cooperation blind hole structure, two pieces spherical surface dynamic pressure spring abutment 15-4 respectively with brake arm press spring base 15-2 and rack press spring base 15-3 spherical surface Installation connection forms dynamic cooperation, and braking pressure spring 15-1 is acted against on the blind hole structure of two pieces spherical surface dynamic pressure spring abutment 15-4.
This bidirectional hook formula automatic brake mine car with tooth form braking rail uses pure mechanic structure, once winch traction occurs The drawing pull bar 24 of the case where wire rope breaking or unhook, mine car front end are pulled due to losing tractive force by wirerope 12-4 Recession, wedge shape plug control pressure spring 12-3 discharge rapidly elastic force and release wedge shape plug 12-2 to the direction of wedge surface guide ring 9-2, Wedge surface cooperation pushes drive sleeve 9 that the outside side slip of the elastic force of reseting pressuring spring 11 is overcome to make locating detent 9-1 from sliding bearing 13-7 Interior abjection, brake arm 13 is rotated clockwise around the center of Bogie truck axles 14 under the recovery elastic force effect of braking pressure spring 15-1 falls It is caught in brake axle 13-1 in the tooth-shape structure of flute profile braking rail 23, the locking halted state of this mine car is realized, due in rack 4 Rear and front end is equipped with braking prevent-moving car component, therefore haulage cable whether occurs in mine car direction of advance front or behind Disconnected rope or the case where break off relations this mine car can rapid mechanical braking, any position other than knick point can be removed in inclined gallery Active brake when derailing accident caused by setting because of disconnected rope, unhook etc., and be easily installed and safeguard, it is transported especially suitable for coal mine inclined shaft Defeated operation.

Claims (8)

1. a kind of bidirectional hook formula automatic brake mine car with tooth form braking rail, including two sets of braking prevent-moving car components, two sets of systems Dynamic prevent-moving car component is symmetrically mounted on mine car in the front-back direction in rack (4), which is characterized in that flute profile braking rail (23) is parallel to Tramroad is arranged and is fixedly mounted between two tramroads, the upper plane of flute profile braking rail (23) along the longitudinal direction on Equipped with uniformly distributed tooth-shape structure;
The braking prevent-moving car component includes the disconnected rope sport car information collection transmitting of corresponding flute profile braking rail (23) position setting Device, brake apparatus and resetting apparatus;
The disconnected rope sport car information collection transfer device include wheel (1), gear ring (2), transmission gear (3), transmission shaft (5), Drive sleeve (9), drive sleeve axial moving mechanism (12);Gear ring (2) be arranged wheel (1) medial surface and with wheel (1) it is concentric Fixed setting;Transmission shaft (5) is erected on rack (4) by bearing left and right directions, and transmission gear (3) is fixedly mounted on transmission shaft (5) outboard end simultaneously engage with gear ring (2) teeth portion with merging, be located at the transmission shaft (5) of transmission gear (3) interior direction outside Periphery is equipped with the locating flange (6) being fixedly connected with transmission shaft (5), is located at the transmission shaft of locating flange (6) interior direction (5) it is equipped with spline segment;The internal spline cooperated with the spline segment of transmission shaft (5) is equipped with inside drive sleeve (9), drive sleeve (9) is logical It crosses internal spline socket to be mounted on the spline segment of transmission shaft (5) and form free-sliding spline pair with the spline segment of transmission shaft (5), pass The inner end of dynamic set (9) is equipped with the cylindrical locating detent (9-1) stretched out inwardly along its axial direction, drive sleeve (9) it is outer It is additionally provided between side and locating flange (6) reseting pressuring spring (11), is also fixed on the outer surface of drive sleeve (9) along its circumferential direction The wedge surface guide ring (9-2) of direction setting, the annular wedge surface of wedge surface guide ring (9-2) are located at the inside of wedge surface guide ring (9-2) Face, is additionally provided with thread segment on the transmission shaft (5) of locating flange (6) interior direction and thread segment is located at equipped with spline segment Outboard end is additionally provided with adjusting nut engaged therewith on thread segment, and the inner end of reseting pressuring spring (11) acts against drive sleeve (9) On outboard end, the outboard end of reseting pressuring spring (11) acts against on adjusting nut;Drive sleeve axial moving mechanism (12) corresponds to wedge surface The position of guide ring (9-2) is arranged, and drive sleeve axial moving mechanism (12) includes sleeve (12-1), wedge shape plug (12-2), wedge Shape plug controls pressure spring (12-3) and wirerope (12-4), and sleeve (12-1) is fixedly mounted on rack (4) and sleeve (12-1) Axial direction be arranged perpendicular to the axial direction of transmission shaft (5), wedge shape plug (12-2) is worn to connect and is mounted in sleeve (12-1) Portion and the bottom end of wedge shape plug (12-2) are equipped with towards the position of wedge surface guide ring (9-2) to be cooperated with wedge surface guide ring (9-2) Bevel structure, the bottom end of wedge shape plug (12-2) and the wedge surface that wedge surface guide ring (9-2) constitutes wedge surface cooperation and wedge surface cooperates are sliding The length dimension that journey is greater than locating detent (9-1) is migrated, the top of wedge shape plug (12-2) and the one end of wirerope (12-4) connect It connects, wedge shape plug controls pressure spring (12-3) setting in sleeve (12-1) inside, and wedge shape plug controls one end top of pressure spring (12-3) Lean against on the top end face of sleeve (12-1), the other end acts against on wedge shape plug (12-2), the other end of wirerope (12-4) with It wears and connects the drawing pull bar (24) for being mounted on rack (4) front end connection, drive sleeve axial moving mechanism (12) further includes being mounted on machine It is inserted by guide wheel for steel wire (12-5) along wedge shape one end of guide wheel for steel wire (12-5) on frame (4), wirerope (12-4) The axial direction of head (12-2) is connect with wedge shape plug (12-2);
The brake apparatus includes brake arm (13) and braking pressure spring mechanism (15);Brake arm (13) front-rear direction is arranged in mine The lower section of vehicle car body, the position socket that brake arm (13) is located inside on mine car car body front-rear direction are mounted on Bogie truck axles (14) Upper and brake arm (13) axially position on the axial direction of Bogie truck axles (14), brake arm (13) are located at before and after mine car car body End on the outside of direction is equipped be firmly connected with it, with the tooth-shape structure dimensional fits of flute profile braking rail (23), right and left To the brake axle (13-1) of setting, the position that the side of brake arm (13) in left and right directions corresponds to locating detent (9-1), which is equipped with, is inserted Finger setting hole, the sliding bearing (13- that the interior outer diameter equipped with internal diameter and locating detent (9-1) of fastening hole cooperates 7);Braking pressure spring mechanism (15) includes braking pressure spring (15-1), and the bottom end positioning of braking pressure spring (15-1) acts against brake arm (13) on, the top positioning of braking pressure spring (15-1) is acted against on rack (4);
The resetting apparatus includes vertical connecting rod (17) and restoring lever (19);It is cut with scissors by connecting pin (16) vertical connecting rod (17) bottom end Connect be mounted on brake arm (13), one end of top and restoring lever (19) passes through joint ball bearing (18) and is articulated and connected, reset The body of rod of lever (19) is hingedly mounted on rack (4) by swivel pin (20), and the other end of restoring lever (19) is equipped with operation Handle.
2. the bidirectional hook formula automatic brake mine car according to claim 1 with tooth form braking rail, which is characterized in that described Drive sleeve axial moving mechanism (12) further include centrifugation bar (7), tappet (8) and centrifugal globe (10);Set at least to two pieces Centrifugation bar (7) one end be respectively relative to transmission shaft (5) central symmetry articulated connection in locating flange (6), the other end respectively with Corresponding centrifugal globe (10) connection, tappet (8) one end for setting at least to two pieces respectively correspond the position of two pieces centrifugation bar (7) It is articulated and connected and is hingedly connected to the body of rod of two pieces centrifugation bar (7) in drive sleeve (9), the other end, be centrifuged bar (7) and tappet (8) Constitute triangular structure.
3. the bidirectional hook formula automatic brake mine car according to claim 1 or 2 with tooth form braking rail, which is characterized in that The braking prevent-moving car component further includes switching device, and switching device includes wearing to connect on restoring lever (19) close to manipulator Bolt (21) on the body of rod of handle position and the location hole being correspondingly arranged on rack (4).
4. the bidirectional hook formula automatic brake mine car according to claim 3 with tooth form braking rail, which is characterized in that described Bolt (21) be spaced be provided with the trapezoidal locating slot of two circles in the axial direction, it is corresponding in the restoring lever (19) to be located at close to inserting The position for selling the trapezoidal locating slot of (21) tail portion is provided with screw hole, is successively arranged positioning screw (21-1), bullet in screw hole from the outside to the core Spring (21-2) and steel ball (21-3), steel ball (21-3) act against in the trapezoidal locating slot of bolt (21).
5. the bidirectional hook formula automatic brake mine car according to claim 1 or 2 with tooth form braking rail, which is characterized in that The socket position that the brake arm (13) is socketed on Bogie truck axles (14) is arranged to along brake arm (13) length direction Oval pore structure, the medial end that brake arm (13) is located on mine car car body front-rear direction are also fixed with corresponding oval pore structure Buffer gear, buffer gear includes shell (13-2), axis card (13-3), buffer spring (13-4) and end cap (13-5), shell (13-2) is hollow structure, and the hollow structure of shell (13-2) sets gradually axis card (13-3), buffer spring (13- from inside to outside 4) it is connected on Bogie truck axles (14) with end cap (13-5), axis card (13-3), the one end buffer spring (13-4) acts against axis card On (13-3), the other end act against on end cap (13-5), end cap (13-5) is fixedly connected with shell (13-2).
6. the bidirectional hook formula automatic brake mine car according to claim 5 with tooth form braking rail, which is characterized in that described End cap (13-5) be connected through a screw thread with shell (13-2).
7. the bidirectional hook formula automatic brake mine car according to claim 1 or 2 with tooth form braking rail, which is characterized in that It is set with brake sleeve (13-6) on the brake axle (13-1), brake sleeve (13-6) and brake axle (13-1) are rolled and connected It connects.
8. the bidirectional hook formula automatic brake mine car according to claim 1 or 2 with tooth form braking rail, which is characterized in that The braking pressure spring mechanism (15) further includes brake arm press spring base (15-2), rack press spring base (15-3) and spherical surface dynamic pressure spring abutment (15-4);Brake arm press spring base (15-2) is fixedly mounted on brake arm (13), the corresponding brake arm pressure of rack press spring base (15-3) Spring abutment (15-2) is fixedly mounted on rack (4), and brake arm press spring base (15-2) and rack press spring base (15-3) are in correspondence with each other Face is respectively provided with into spherical surface dimple formation;Spherical surface dynamic pressure spring abutment (15-4) is hemispherical structure, the size and braking of spherical structure The spherical surface dimple formation dimensional fits of arm press spring base (15-2) and rack press spring base (15-3), spherical surface dynamic pressure spring abutment (15-4) are put down Face structure is equipped with and described braking pressure spring (15-1) the dimensional fits blind hole structure, two pieces spherical surface dynamic pressure spring abutment (15-4) difference Dynamic cooperation, braking pressure spring (15-1) top are formed with brake arm press spring base (15-2) and the spherically mounted connection of rack press spring base (15-3) On the blind hole structure for leaning against two pieces spherical surface dynamic pressure spring abutment (15-4).
CN201820466017.XU 2018-03-30 2018-03-30 Bidirectional hook formula automatic brake mine car with tooth form braking rail Expired - Fee Related CN208469827U (en)

Priority Applications (1)

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CN201820466017.XU CN208469827U (en) 2018-03-30 2018-03-30 Bidirectional hook formula automatic brake mine car with tooth form braking rail

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820466017.XU CN208469827U (en) 2018-03-30 2018-03-30 Bidirectional hook formula automatic brake mine car with tooth form braking rail

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112918507A (en) * 2020-11-30 2021-06-08 中国矿业大学 Inclined drift automatic anti-running mine car and anti-running braking method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112918507A (en) * 2020-11-30 2021-06-08 中国矿业大学 Inclined drift automatic anti-running mine car and anti-running braking method thereof
CN112918507B (en) * 2020-11-30 2022-07-22 中国矿业大学 Inclined roadway automatic anti-running mine car and anti-running braking method thereof

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