CN2302174Y - Bidirectional buffering automatic coupling device for narrow-rail mine-car - Google Patents

Abstract

The utility model relates to a bidirectional buffering automatic coupling device for narrow-rail mine cars. The utility model is characterized in that a buffer spring (12) is connected with a mine car as a whole; when the mine car is hooked, the front of a hook of the mine car which is in a combined hook state pushes the hook (1) to reverse, a pin (2) is automatically inserted in a pin hole (4), and the hook automatically hooks; when the hook is unhooked, the pin (2) is lifted, an open hook pin (figures are not shown) pushes the hook (1) to veer, and the hook is automatically unhooked; the hook (1) can rotate the entire circle around a ball axis (9), and can swing 15DGE from top to bottom and from left to right; a positioning pin (6) is used for positioning, and ensures hook correct position of the hook (1); when the mining car collides, a buffering slide body (11) is shifted right to press the buffer spring (12), generating collision buffering; when a traction locomotive moves speedily, the buffering slide body (11) is shifted left, and a nut (13) compresses the buffer spring (12), generating traction shock buffering.

Description

Narrow gauge mine car bidirectional buffering auto-coupling

The utility model relates to the bidirectional buffering auto-coupling of narrow gauge jink.

The narrow gauge mine car is cargo is transported in the ore deposit by production a main transportation device.In process of production, for meeting the needs of production, generally mine car is linked to be train, locomotive traction conveys goods.According to the ability of design output, parking lot length, track laying situation and hauling engine, 25～50 of every row.Adopt loop chain type adaptor union (being divided into monocycle chain, dicyclo chain, ring chain and change chain) and latch to be connected between the mine car.All types of mine cars below three tons and three tons all adopt this simple traditional connection mode.

The production practice of last 100 years prove, simple traditional connection mode, the big needs of producing of incompatible modernization.The problem that they exist is:

Labour intensity is big, and efficient is low.Pluck, the workman must carry adaptor union and operating back and forth along tens meters train when linking up with, labour intensity is big, the time is long, efficient is low.

It is big to consume loss, the productive costs height.The loop chain type adaptor union is a separate piece, is difficult for keeping in the production, easily loses stolen.One consumes loss amount medium-sized ore deposit adaptor union year and is generally tens of tons, productive costs height.

Safe reliability is poor, the accident rate height.Mine car extruding casualty accident easily takes place in the dislodging hook; Connection reliability is poor, the sport car that easily breaks off relations, and casualty accident generally accounts for about 40% of mine accident rate.

Meeting and discussing of tradition mine car can only be played crusherbull zone; Do not have the traction impact buffer function, mine car is short service life.

Above problem is influence and restriction Mine Safety in Production and one of key factor that reduces production costs.

In order to address these problems, common way is to seek a new adaptor union, alternate collar chain type adaptor union.In recent years the automatic coupler patent of Chu Xianing intends thinking that alternate collar chain type adaptor union, this patent characteristic are the collision hooks, compare with loop chain type, and mechanism's complexity, weight is big, to track laying requirements for quality height, still exists the problem of traditional loop chain type adaptor union during hook.In the mine produced, this patented product was difficult to implement.

The purpose of this utility model provides one and installs the bidirectional buffering auto-coupling that is connected as a single entity with mine car.This device has collision and the bidirectional buffering effect is impacted in traction; Has function simultaneously around its line of centers rotation, swing, automatic hitch and automatic releasing hook.Problem so that the adaptor union that overcomes any separate piece form exists improves mine car bonded assembly degree of automation and safe reliability.

The purpose of this utility model is achieved in that the utility model by hitch gear, and rotating mechanism and buffer gear three parts are formed.

Hitch gear: by hook, lock pin, open hook pin, lockhole and bearing pin etc. and form.During hook, close the anterior mine car that promotes a hook-shaped attitude of mine car hook of hook-shaped attitude and link up with half garden, make it around 45 °～50 ° of bearing pin left-hand revolutions, lock pin inserts in the lockhole automatically, and the mine car automatic hitch pins; During decoupling device, need only mention lock pin, open the breach on hook pin promotion hook half garden, 45 °～50 ° of clickwises, mine car automatic releasing hook.

Rotating mechanism: omnidirectional mechanism of being made up of hook base, ball-and-socket, ball journal and locating dowel pin, spring, nut etc. are formed.Hitch gear can be bobbed and woven 15 ° around 360 ° of ball journal line of centers rotations, the locating dowel pin location.Guarantee the hitch gear tram.To adapt to the track laying situation, guarantee the hook accurate reliability; Satisfy the discharged rotation requirement in tipper of ramp slope change and mine car.

Buffer gear: form by pedestal, buffering gliding mass, left and right sides spring perch, recoil spring and nut etc.When sudden stop or mine car collided mutually, impact force reached the buffering gliding mass through hitch gear, rotating mechanism, and the compression recoil spring that moves to right produces the crusherbull zone protection; When the unexpected high-speed starting of hauling engine, the traction impulsive force to train produces through hitch gear, rotating mechanism, reaches buffering gliding mass right-hand member, and the nut compression recoil spring that moves to left produces the protection of traction damping of shocks.

The utlity model has and improve that failure-free is plucked automatically, hitch gear and buffering protection mechanism, simple and compact for structure, implementing process is less demanding, realizes easily.

Adopt the mine car of the utility model manufacturing and repacking, can realize plucking automatically, linking up with, operating personal is few, labour intensity is little, and is safe and reliable, stopped the casualty accident of dislodging hook operation; Train is plucked, hook speed is fast, the time is short, efficient is high.

The utlity model has mine car collision and traction surge protection, prolonged the tenure of use of mine car.

The utility model is connected as a single entity by pedestal and mine car, can not lose stolenly, and yearly consumption is little, and long service life plays a part positive to reducing production costs.

The utility model, hitch gear can be bobbed and woven 15 ° around 360 ° of its axle rotations, to adapt to the track grade variation and to satisfy mine car unloads rotation in tipper requirement.

Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is the installation position of the utility model bidirectional buffering auto-coupling (1) at mine car (2) two ends.

Fig. 2 is the utility model narrow gauge mine car bidirectional buffering auto-coupling Fig. 3 A-A cutaway view, for closing the hook position.

Fig. 3 long and two-short dash line be hook open the hook position.

Describe details and service condition in detail below in conjunction with Fig. 2 and Fig. 3 according to the concrete device that the utility model proposes.

The utility model is made up of hitch gear, rotating mechanism and buffer gear three parts.

Hitch gear: by Fig. 1 hook (1), lock pin (2), bearing pin (3) and lockhole (4), Fig. 3 are driven hook pin (14) and are formed.When two mine cars are linked up with, close half garden that the anterior Fig. 3 of promotion of mine car hook under the hook-shaped attitude opens the long and two-short dash line hook under the hook-shaped attitude, hook is around 45 °～50 ° of its bearing pin (3) left-hand revolutions, Fig. 2 lock pin (2) inserts in the lockhole (4) automatically, Fig. 3 drives hook pin (14) and is compressed back, two mine car automatic hitchs.When two mine car decoupling devices, need only mention Fig. 2 lock pin (2) Fig. 3 and drive hook pin (14) and promote breach (15) on hook half garden, Fig. 2 hook (1) is around 45 °～50 ° of bearing pin (3) clickwises, two mine car automatic releasing hooks.

Rotating mechanism: by Fig. 2 hook base (5), locating dowel pin (6), ball-and-socket (7), spring (8), ball journal compositions such as (9).Under the effect of spring (8), make hitch gear and ball journal (9) coaxial line.Hitch gear, hook base (5), ball-and-socket (7) etc. can be bobbed and woven 15 ° around 360 ° of ball journal (9) axis rotations, locating dowel pin (6) location, the hook tram that keeps hitch gear.To adapt to the track laying situation, guarantee the hook accuracy, satisfy variation and mine car discharged rotation requirement in tipper of the ramp gradient.

Buffer gear: by Fig. 2 pedestal (10), buffering gliding mass (11), recoil spring (12) and nut (13) are formed.When two mine car hooks, sudden stop or mine car collided mutually, impact force through rotating mechanism, reached buffering gliding mass (11) by hitch gear, and the compression recoil spring (12) that moves to right produces the crusherbull zone protection; When the unexpected high-speed starting of hauling engine, the traction of train is impacted, by hitch gear,, reach buffering gliding mass (11) right-hand member through rotating mechanism, nut (13) moves to left and compresses recoil spring (12), produces the traction surge protection.The bidirectional buffering that buffer gear produces is protected, and protects and prolonged the service life of mine car.

Claims (6)

1, narrow gauge mine car bidirectional buffering auto-coupling is characterized in that this device is made up of hitch gear, rotating mechanism, buffer gear, and narrow gauge mine car bidirectional buffering automatic hitch and mine car are connected as a single entity; The hook of hitch gear (1) is open keyhole (4) on Qi Banyuan, and hook (1) reverses, and lock pin (2) inserts lockhole (4) automatically, and automatic hitch is mentioned lock pin (2) and separated with lockhole (4), drives hook pin (14) and promotes breach (15), links up with clockwise automatic releasing hook; The hook base of rotating mechanism (5), ball-and-socket (7) are supported by spring (8) with the omnidirectional mechanism that ball journal (9) is formed, and hitch gear rotates, swings around ball journal (9), locating dowel pin (6) location; Pedestal of buffer gear (10) and the welding of mine car striking head seat reinforcement, the stressed sway of buffering gliding mass (11), compression recoil spring (12) produces the bidirectional buffering protection.

2, device according to claim 1 is characterized in that 45 °～50 ° of hook (1) left-hand revolutions, and lock pin (2) inserts in the lockhole (4) automatically, automatic hitch.

3, device according to claim 1 is characterized in that mentioning lock pin (2), drives hook pin (14) and promotes breach (15), 45 °～50 ° of hook clickwises, automatic releasing hook.

4, device according to claim 1 is characterized in that hitch gear can rotate 360 ° around ball journal (9), bob and weave 15 °.

5, device according to claim 1 is characterized in that locating dowel pin (6) location, guarantees hook (1) correct hook position.

6, according to claim 1,2,3,4 or 5 described devices, it is characterized in that narrow gauge mine car bidirectional buffering auto-coupling, be connected as a single entity by recoil spring (12) and mine car are outstanding.

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