CN206749821U - A kind of progressive buffer-type energy absorber - Google Patents
A kind of progressive buffer-type energy absorber Download PDFInfo
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- CN206749821U CN206749821U CN201720466779.5U CN201720466779U CN206749821U CN 206749821 U CN206749821 U CN 206749821U CN 201720466779 U CN201720466779 U CN 201720466779U CN 206749821 U CN206749821 U CN 206749821U
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Abstract
The utility model provides a kind of progressive buffer-type energy absorber, pass through the spiral buffer structure being made up of middle helical flange, spiral coaming plate and rear screw flange designed at rope wheel component, make energy absorber movable friction plate from it is static to motion moment maximum static friction force it is also smaller than kinetic force of friction, and the tractive force in traction process suffered by steel wire rope gradually increases, and reach maximum drawbar pull when energy absorber movable friction plate rotates to 180 degree, cushioning effect is served so as to pull the power of steel wire rope to mine car initial impact, finally intercepts mine car.
Description
Technical field
The utility model belongs to mine rail transport field, and in particular to a kind of progressive buffer-type energy absorber, particularly relates to
And the energy absorber of anti-running device for incline.
Background technology
Mine rail transport is the important component of coal production, and efficient transportation system has for Safety of Coal Mine Production
It is significant.Shipping accident is to be only second to the second major break down of roof accident according to statistics, wherein in bunching operation because of disconnected rope, take off
The derailing accident that the bunchings caused by reason such as pin, Lian Jie Zhuan Ge fractures depart from main boom hoist cable accounts for the 22.1% of shipping accident,
Therefore it is very necessary that effective prevention is carried out to coal mine inclined shaft derailing accident.And energy absorber is to intercept ore deposit in prevention of sliding-down in inclined well system
The most critical component of car, the kinetic energy of mine car can be converted into heat energy caused by friction by it, so as to intercept mine car out of control.It is conventional
Energy absorber mine car hit haulage cable make energy absorber movable friction plate from it is static to motion during because stiction is remote
Moment larger impact is produced to intercepting steel wire rope much larger than kinetic force of friction, consequently, it is possible to the fracture of steel wire rope is caused, and
Mine car can not be intercepted.
Utility model content
The purpose of this utility model is that solve conventional energy absorber because stiction is far longer than kinetic force of friction, caused ore deposit
Wire cable rupture when car hits haulage cable, enters the problem of being unable to intercept mine car.
Therefore, the utility model provides a kind of progressive buffer-type energy absorber, including cylinder, one end side of being installed with of cylinder
Plate, square plate outer wall are installed with bearing block, and needle bearing one is installed with bearing block, and the other end of cylinder is installed with bottom plate, bottom
Bearing block is installed on the inside of plate, needle bearing two, in addition to main shaft are installed, one end of main shaft is installed with pulley set on bearing block
Part, other end pass through the endoporus of needle bearing one, square plate, stretched into cylinder, and the end insertion endoporus of needle bearing two；Main shaft
On be cased with spring, one end of spring be enclosed on bottom board bearing block it is cylindrical on, and sturdy with bottom plate, other end is pasted in spring pressure
On seat, spring wedge is enclosed on main shaft；Be provided between spring wedge and square plate multiple static friction pieces of the spacer sleeve on main shaft and
Movable friction plate, static friction piece block is welded by rivet on the inwall of cylinder, three breach at each static friction piece edge
Insert static friction piece block；
The rope wheel component includes rope drum, axle sleeve and steel wire rope, and axle sleeve is enclosed on the end of main shaft, rope drum by flat key
By web fixed cover on axle sleeve, wirerope-winding is on rope drum；
The most end that the main shaft is stretched out outside cylinder is installed with forward flange, on rope drum successively set be filled with middle helical flange,
Spiral coaming plate and rear screw flange, for steel wire rope between forward flange and middle helical flange, one end of steel wire rope passes through forward flange
And be fixed on the end face of forward flange, other end bypasses middle helical flange, is thrown away after winding 180 ° on spiral coaming plate.
The middle helical flange is the spiral ring structure of edge breach, and rear screw flange is spiral ring structure,
Spiral coaming plate is the sector structure that two ends in same plane are 270 ° with circle center line connecting, and sector is by during 0 ° to 180 °
Radius r gradually increases to 1.4r, and from 180 ° to 270 °, radius keeps 1.4r constant.
The end face that the main shaft is stretched out outside cylinder is installed with gland by bolt, and gland compresses with end face of shaft bush.
One section after the steel wire penetrating forward flange is by multiple steel wire rope briquetting compression plates in forward flange end face.
The static friction piece is 17, and movable friction plate is 16.
The a diameter of 30mm of length of steel rope 35m, divide three layers and be wrapped on rope drum.
A kind of application method of progressive buffer-type energy absorber, first two progressive buffer-type energy absorbers are set and are installed on relatively
Mine rail both sides, and rack is installed between two progressive buffer-type energy absorbers, then by a diameter of 30mm of long 35m steel wire
Rope one end passes in the hole by one of them progressive buffer-type energy absorber forward flange, and should by steel wire rope with four steel wire rope briquettings
The end face of forward flange is fixed at end, and other end of remaining three layers of the rope point of steel wire rope is wrapped on rope drum, when third layer around
During the indentation, there of middle helical flange, along breach by steel wire rope on spiral coaming plate, by steel after half-turn on spiral coaming plate
Cord is thrown away, and is then passed through rack and is wrapped on the rope drum of another progressive buffer-type energy absorber.
The beneficial effects of the utility model：This progressive buffer-type energy absorber provided by the utility model and its user
Method, a spiral buffering coaming plate is devised between rope wheel component and cylinder, makes energy absorber movable friction plate from static to motion
Moment maximum static friction force is also smaller than kinetic force of friction, and the tractive force in traction process suffered by steel wire rope gradually increases, and
Energy absorber movable friction plate reaches maximum drawbar pull when rotating to 180 degree, is risen so as to pull the power of steel wire rope to mine car initial impact
Cushioning effect has been arrived, has finally intercepted mine car.
The utility model is described in further details below with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of progressive buffer-type energy absorber.
Fig. 2 is Fig. 1 left view.
Fig. 3 is Fig. 1 A-A direction views.
Fig. 4 is Fig. 1 B-B direction view.
Description of reference numerals：1st, rope wheel component；2nd, flat key；3rd, main shaft；4th, needle bearing one；5th, square plate；6th, movable friction plate；
7th, static friction piece；8th, spring wedge；9th, static friction piece block；10th, spring；11st, needle bearing two；12nd, cylinder；13rd, steel wire rope
Briquetting；14th, rear screw flange；15th, spiral coaming plate；16th, middle helical flange；17th, forward flange；18th, gland；
1.1st, rope drum；1.2nd, axle sleeve；1.3rd, steel wire rope.
Embodiment
Embodiment 1：
In order to solve conventional energy absorber because stiction is far longer than kinetic force of friction, caused mine car hits traction steel wire
Wire cable rupture during rope, enter the problem of being unable to intercept mine car, present embodiments provide a kind of progressive buffer-type energy absorber,
As shown in figure 1, including cylinder 12, one end of cylinder 12 is installed with square plate 5, and the outer wall of square plate 5 is installed with bearing block, pacified on bearing block
Needle bearing 1 is filled with, the other end of cylinder 12 is installed with bottom plate, is installed with bearing block on the inside of bottom plate, is installed on bearing block
Needle bearing 2 11, in addition to main shaft 3, one end of main shaft 3 is installed with rope wheel component 1, and other end passes through needle bearing 1
Endoporus, square plate 5, stretch into cylinder 12, and the end insertion endoporus of needle bearing 2 11；Spring 10, spring 10 are cased with main shaft 3
One end be enclosed on bottom board bearing block it is cylindrical on, and sturdy with bottom plate, other end is pasted on spring wedge 8, spring wedge 8
It is enclosed on main shaft 3；Multiple static friction pieces 7 and movable friction plate of the spacer sleeve on main shaft 3 are provided between spring wedge 8 and square plate 5
6, static friction piece block 9 is welded by rivet on the inwall of cylinder 12, three breach at each edge of static friction piece 7 are inserted
Friction plate block 9 in meditation；
The rope wheel component 1 includes rope drum 1.1, axle sleeve 1.2 and steel wire rope 1.3, and axle sleeve 1.2 is enclosed on master by flat key 2
The end of axle 3, by web fixed cover on axle sleeve 1.2, steel wire rope 1.3 is wrapped on rope drum 1.1 rope drum 1.1；
The most end that the main shaft 3 is stretched out outside cylinder 12 is installed with forward flange 17, is covered successively on rope drum 1.1 and is filled with middle spiral shell
Flange 16, spiral coaming plate 15 and rear screw flange 14 are revolved, steel wire rope 1.3 is between forward flange 17 and middle helical flange 16, steel
One end of cord 1.3 is through forward flange 17 and is fixed on the end face of forward flange 17, and other end bypasses middle helical flange 16,
Thrown away after winding half-turn on spiral coaming plate 15.
Specifically, the connection of all parts is as follows：
Needle bearing 2 11 is installed in the endoporus of the bottom board bearing block of cylinder 12, and bearing plate is fixed on into axle with bolt
On bearing upper surface；The endoporus of the small one end insertion needle bearing 2 11 of the diameter of main shaft 3；Spring 10 is set on main shaft 3, and makes it
Lower end inner circle be enclosed on the bottom board bearing block of cylinder 12 it is cylindrical on, and the inner bottom surface of the sturdy cylinder 12 in lower surface；In spring wedge 8
Hole is installed on main shaft 3 and its lower surface and the top of spring 10 are sturdy；17 static friction pieces 7 and 16 movable friction plates 6 are handed over
Fork is installed on the position of the square cross-section of main shaft 3, and ensures that three rectangular indentations on the periphery of static friction piece 7 are inserted into static friction piece gear
On block 9, prevent it from rotating；Static friction piece block 9 is welded on the inwall trisection posistion of cylinder 12 by rivet；Band bearing
Seat square plate 5 is installed to blending bolt on main shaft 3 and is fixed on the round flange of cylinder 12；The outer ring installation of needle bearing 1
In the inner hole of bearing seat with bearing block square plate 5, main shaft 3 is located in the endoporus of needle bearing 1；With sunk screw by bearing pressure
Plate is fixed on the bearing block with bearing block square plate 5；Rope wheel component 1 is fixed on main shaft 3 entirely through flat key 2；Will be long 13 meters
The steel wire rope 1.3 of diameter 30 is passed from the strip hole on forward flange 17, and the upper of forward flange 17 is fixed at the end by steel wire rope
On end face；By the three layers of winding of the other end point of steel wire rope 1.3, specific canoe is：First from forward flange on rope drum 1.1
17 to reverse-winding second layer rope after first layer rope has been wound between middle helical flange 16, reach after forward flange 17 reverse-winding again
Third layer rope, spiral coaming plate 15 is wound into along the middle indentation, there of helical flange 16 during helical flange 16 during third layer rope reaches, in spiral shell
Revolve and 180 ° are wound on coaming plate 15（That is half-turn）Steel wire rope 1.3 is thrown away afterwards.
The operation principle for the progressive buffer-type energy absorber that the present embodiment provides is as follows：
When bunching departs from main boom hoist cable caused by the reason such as disconnected rope, out of stock, Lian Jie Zhuan Ge fractures in bunching operation
Sport car, when mine car hits arrester and pulls the steel wire rope 1.3 on rope drum 1.1, steel wire rope 1.3 will drive rope wheel component 1
Rotation, rope wheel component 1 will drive main shaft 3 to rotate, and the square-section section of main shaft 3 will drive 16 movable friction plates 6 to rotate, and 16
Piece movable friction plate can rotate against when rotating with 17 static friction pieces produces very big kinetic force of friction（Due to the elastic force of spring 10
The normal pressure being converted between 16 movable friction plates and 17 static friction pieces, so as to produce about 10 tons of kinetic force of friction）；In ore deposit
During car traction sheave component 1 rotates, what this kinetic force of friction will be progressively is converted into frictional heat energy by the kinetic energy of mine car,
So as to finally intercept mine car；It is by the pull-out length of the steel wire rope during interception 1.3 of transportation safety to reach colliery
0.3-10 meters of relevant regulations, big spring can be adjusted according to actual conditions to the pressure of sound friction plate come regulating friction force
Size, so as to meet that the pull-out length of steel wire rope is 0.3-10 meters of requirement.
This progressive buffer-type energy absorber provided by the utility model, by being designed at rope wheel component by middle spiral method
The spiral buffer structure of blue, spiral coaming plate and rear screw flange composition, make energy absorber movable friction plate from static to motion moment
Maximum static friction force is also smaller than kinetic force of friction, and the tractive force in traction process suffered by steel wire rope gradually increases, and in energy-absorbing
Device movable friction plate reaches maximum drawbar pull when rotating to 180 degree, is served so as to pull the power of steel wire rope to mine car initial impact
Cushioning effect, finally intercept mine car.
Embodiment 2：
On the basis of embodiment 1, as shown in Figure 3 and Figure 4, the middle helical flange 16 is the spiral of edge breach
Cyclic structure, rear screw flange 14 are spiral ring structures, and spiral coaming plate 15 is that two ends in same plane connect with the center of circle
Line is 270 ° of sector structure, and sector gradually increases to 1.4r by radius r during 0 ° to 180 °, and from 180 ° to 270 °, radius is protected
It is constant to hold 1.4r.
Moment of the steel wire rope 1.3 from static to dynamic has during mine car hits arrester and pulls steel wire rope 1.3
One maximum static friction force, the power are more than 1.4 times of the post exercise kinetic force of friction of rope wheel component 1, so as to have to steel wire rope
One process impacted suddenly, the very big hidden danger of the generation safe to use to steel wire rope, steel wire during to make maximum static friction force
Wire saws power is basic identical with kinetic force of friction size, and this product devises a spiral buffer gear, the machine in rope wheel component
Structure has a spiral coaming plate, the spiral coaming plate altogether surround 270 °, from 0 ° to 180 ° during radius gradually increase 1.4 times, from
180 ° to 270 ° radiuses keep 1.4 times it is constant, and the position that steel wire rope goes out spiral coaming plate is just arranged on 180 ° to 270 ° of scope
It is interior；Because radius increases 1.4 times so that the steel wire rope tractive force suffered in initial maximum static friction force turns into original
It is 1/1.4=0.71 times, substantially equal with kinetic force of friction, finally play the drawing cushioning effect to steel wire rope.
Embodiment 3：
On the basis of embodiment 1, as shown in figure 1, the end face that the main shaft 3 is stretched out outside cylinder 12 is installed with by bolt
Gland 18, gland 18 compress with the end face of axle sleeve 1.2.Gland 19 is fixed on spindle end by bolt, push down the end face of axle sleeve 1.2 to prevent
Only rope wheel component is axially deviate from.
Embodiment 4：
On the basis of embodiment 1, as shown in Fig. 2 not got rid of de-, institute to fix steel wire rope 1.3 when being towed power
State steel wire rope 1.3 through one section after forward flange 17 by multiple compression plates of steel wire rope briquetting 13 in the end face of forward flange 17.Pass through
Test of many times, the optimal number that the present embodiment is drawn are that the static friction piece 7 is 17, and movable friction plate 6 is 16.In order to reach
Colliery is 0.3-10 meters of relevant regulations by the pull-out length of steel wire rope during interception of transportation safety, the steel wire rope 1.3
The long a diameter of 30mm of 35m, divide three layers and be wrapped on rope drum 1.1.
Embodiment 5：
A kind of application method of progressive buffer-type energy absorber is present embodiments provided, first by two progressive buffer-type energy absorbers
Set relatively and be installed on mine rail both sides, and rack is installed between two progressive buffer-type energy absorbers, it is then that long 35m is straight
Footpath is to be passed in hole of the 30mm one end of steel wire rope 1.3 by one of them progressive buffer-type energy absorber forward flange 17, and with four
The end face of forward flange 17 is fixed at the end of steel wire rope 1.3 by steel wire rope briquetting 13, by the other end of remaining rope point three of steel wire rope 1.3
Layer be wrapped on rope drum 1.1, when indentation, there of the third layer around middle helical flange 16, along breach by steel wire rope 1.3 around
Onto spiral coaming plate 15, steel wire rope 1.3 is thrown away after half-turn on spiral coaming plate 15, rack is then passed through and is wrapped in other one
On the rope drum 1.1 of individual progressive buffer-type energy absorber.Because the reason such as disconnected rope, out of stock, Lian Jie Zhuan Ge fractures is made in bunching is run
Depart from sport car into bunching and main boom hoist cable, when mine car hits arrester and pulls the steel wire rope 1.3 on rope drum 1.1, steel
Cord 1.3 will drive rope wheel component 1 to rotate, and rope wheel component 1 will drive main shaft 3 to rotate, and the square-section section of main shaft 3 will
16 movable friction plates 6 are driven to rotate, it is very big that 16 movable friction plates can rotate against generation when rotating with 17 static friction pieces
Kinetic force of friction, during car haul rope wheel component rotates, the kinetic energy by mine car that this kinetic force of friction will be progressively turns
Frictional heat energy is turned to, so as to finally intercept mine car.
Exemplified as above is only for example, not forming to the scope of protection of the utility model to of the present utility model
Limitation, it is every to be belonged to the same or analogous design of the utility model within the scope of protection of the utility model.The present embodiment
The part and the well-known components and common structure or conventional means of the structure category industry not described in detail, are not chatted one by one here
State.
Claims (6)
1. a kind of progressive buffer-type energy absorber, including cylinder（12）, cylinder（12）One end square plate is installed（5）, square plate（5）Outside
Wall is installed with bearing block, and needle bearing one is installed with bearing block（4）, cylinder（12）Other end bottom plate, bottom plate are installed
Inner side is installed with bearing block, and needle bearing two is installed with bearing block（11）, it is characterised in that：Also include main shaft（3）, main shaft
（3）One end rope wheel component is installed（1）, other end passes through needle bearing one（4）Endoporus, square plate（5）, stretch into cylinder（12）
It is interior, and end insertion needle bearing two（11）Endoporus；Main shaft（3）On be cased with spring（10）, spring（10）One end be enclosed on bottom
Board shaft bearing it is cylindrical on, and sturdy with bottom plate, other end is pasted in spring wedge（8）On, spring wedge（8）It is enclosed on main shaft
（3）On；Spring wedge（8）With square plate（5）Between be provided with spacer sleeve in main shaft（3）On multiple static friction pieces（7）And dynamic friction
Piece（6）, cylinder（12）Inwall on static friction piece block is welded by rivet（9）, each static friction piece（7）The three of edge
Individual breach inserts static friction piece block（9）；
The rope wheel component（1）Including rope drum（1.1）, axle sleeve（1.2）And steel wire rope（1.3）, axle sleeve（1.2）Pass through flat key
（2）It is enclosed on main shaft（3）End, rope drum（1.1）By web fixed cover in axle sleeve（1.2）On, steel wire rope（1.3）It is wrapped in
Rope drum（1.1）On；
The main shaft（3）Stretch out cylinder（12）Outer most end is installed with forward flange（17）, rope drum（1.1）On successively set be filled with
Middle helical flange（16）, spiral coaming plate（15）With rear screw flange（14）, steel wire rope（1.3）Positioned at forward flange（17）With middle spiral
Flange（16）Between, steel wire rope（1.3）One end pass through forward flange（17）And it is fixed on forward flange（17）End face on, in addition
One end bypasses middle helical flange（16）, in spiral coaming plate（15）Thrown away after upper winding half-turn.
2. progressive buffer-type energy absorber as claimed in claim 1, it is characterised in that：The middle helical flange（16）It is that edge is opened
If the spiral ring structure of breach, rear screw flange（14）It is spiral ring structure, spiral coaming plate（15）For in same plane
Two ends gradually increase to 1.4r with the sector structure that circle center line connecting is 270 °, sector by radius r during 0 ° to 180 °, from
180 ° to 270 ° radiuses keep 1.4r constant.
3. progressive buffer-type energy absorber as claimed in claim 1, it is characterised in that：The main shaft（3）Stretch out cylinder（12）Outside
End face gland is installed with by bolt（18）, gland（18）With axle sleeve（1.2）End face compresses.
4. progressive buffer-type energy absorber as claimed in claim 1, it is characterised in that：The steel wire rope（1.3）Through forward flange
（17）One section afterwards passes through multiple steel wire rope briquettings（13）Compression plate is in forward flange（17）End face.
5. progressive buffer-type energy absorber as claimed in claim 1, it is characterised in that：The static friction piece（7）It is dynamic to rub for 17
Pad（6）For 16.
6. progressive buffer-type energy absorber as claimed in claim 1, it is characterised in that：The steel wire rope（1.3）Long 35m is a diameter of
30mm, divide three layers and be wrapped in rope drum（1.1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466779.5U CN206749821U (en) | 2017-04-28 | 2017-04-28 | A kind of progressive buffer-type energy absorber |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720466779.5U CN206749821U (en) | 2017-04-28 | 2017-04-28 | A kind of progressive buffer-type energy absorber |
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| Publication Number | Publication Date |
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| CN206749821U true CN206749821U (en) | 2017-12-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298453A (en) * | 2018-03-16 | 2018-07-20 | 浙江弘安智能科技有限公司 | A kind of axial compression mechanism and the lifting gear with the mechanism |
-
2017
- 2017-04-28 CN CN201720466779.5U patent/CN206749821U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108298453A (en) * | 2018-03-16 | 2018-07-20 | 浙江弘安智能科技有限公司 | A kind of axial compression mechanism and the lifting gear with the mechanism |
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