CN107054400A - A kind of progressive buffer-type energy absorber and its application method - Google Patents
A kind of progressive buffer-type energy absorber and its application method Download PDFInfo
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- CN107054400A CN107054400A CN201710294396.9A CN201710294396A CN107054400A CN 107054400 A CN107054400 A CN 107054400A CN 201710294396 A CN201710294396 A CN 201710294396A CN 107054400 A CN107054400 A CN 107054400A
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- steel wire
- wire rope
- rope
- energy absorber
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61K—AUXILIARY EQUIPMENT SPECIALLY ADAPTED FOR RAILWAYS, NOT OTHERWISE PROVIDED FOR
- B61K7/00—Railway stops fixed to permanent way; Track brakes or retarding apparatus fixed to permanent way; Sand tracks or the like
- B61K7/16—Positive railway stops
- B61K7/18—Buffer stops
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Abstract
The invention provides a kind of progressive buffer-type energy absorber and application method, 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, so as to which the power that steel wire rope is pulled to mine car initial impact serves cushioning effect, mine car is finally intercepted.
Description
Technical field
The invention belongs to mine rail transport field, and in particular to a kind of progressive buffer-type energy absorber and its application method,
The more particularly to 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 restricts, takes off because breaking in bunching operation
The derailing accident that the bunching that the reasons such as pin, Lian Jie Zhuan Ge fractures are caused departs from main boom hoist cable accounts for the 22.1% of shipping accident,
Therefore effective prevention is carried out to coal mine inclined shaft derailing accident very necessary.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 the heat energy that friction is produced 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.
The content of the invention
Present invention aim to address conventional energy absorber because stiction is far longer than kinetic force of friction, caused mine car is hit
Wire cable rupture when hitting haulage cable, enters the problem of being unable to intercept mine car.
Therefore, the invention provides a kind of progressive buffer-type energy absorber, including cylinder, one end of cylinder is installed with square plate,
Square plate outer wall, which is installed with bearing block, bearing block, is installed with needle bearing one, and the other end of cylinder is installed with bottom plate, bottom plate
Side, which is installed with bearing block, bearing block, is installed with needle bearing two, in addition to main shaft, and one end of main shaft is installed with rope wheel component,
Other end passes through the endoporus of needle bearing one, square plate, stretched into cylinder, and the end insertion endoporus of needle bearing two；On main shaft
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 wedge
On, spring wedge is enclosed on main shaft；Provided with multiple static friction pieces of the spacer sleeve on main shaft and moved between spring wedge and square plate
Static friction piece block is welded by rivet on friction plate, the inwall of cylinder, three breach at each static friction piece edge are equal
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 by flat key, and rope drum passes through
Web fixed cover is on axle sleeve, and wirerope-winding is on rope drum；
The most end that the main shaft is stretched out outside cylinder is installed with forward flange, rope drum set successively and is filled with middle helical flange, spiral
Coaming plate and rear screw flange, steel wire rope are located between forward flange and middle helical flange, and one end of steel wire rope passes through forward flange and quilt
It is 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 two ends and the sector structure that circle center line connecting is 270 ° in same plane, and sector is 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 is compressed 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 are wrapped on rope drum.
A kind of application method of progressive buffer-type energy absorber, two progressive buffer-type energy absorbers first set and be 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 is passed in the hole of 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.
Beneficial effects of the present invention：This progressive buffer-type energy absorber and its application method that the present invention is provided, in rope sheave
A spiral buffering coaming plate is devised between component and cylinder, makes energy absorber movable friction plate from static quiet to motion moment maximum
Frictional force is also smaller than kinetic force of friction, and the tractive force in traction process suffered by steel wire rope gradually increases, and rubs energy absorber is dynamic
Pad reaches maximum drawbar pull when rotating to 180 degree, makees so that the power for pulling steel wire rope to mine car initial impact serves buffering
With finally intercepting mine car.
The present invention 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, when caused mine car hits haulage cable
Wire cable rupture, enters the problem of being unable to intercept mine car, present embodiments provides a kind of progressive buffer-type energy absorber, such as schemes
Shown in 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, bearing block and is installed with
Needle bearing 1, the other end of cylinder 12, which is installed with to be installed with bearing block, bearing block on the inside of bottom plate, bottom plate, is installed with rolling
Needle bearing 2 11, in addition to main shaft 3, one end of main shaft 3 are installed with rope wheel component 1, and other end is passed through in needle bearing 1
Hole, square plate 5, stretch into cylinder 12, and the end insertion endoporus of needle bearing 2 11；Spring 10 is cased with main shaft 3, spring 10
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 8,8 sets of spring wedge
On main shaft 3；Multiple static friction pieces 7 and movable friction plate 6 of the spacer sleeve on main shaft 3 are provided between spring wedge 8 and square plate 5,
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
Static friction piece block 9；
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 main shaft 3 by flat key 2
End, rope drum 1.1 is by web fixed cover on axle sleeve 1.2, and steel wire rope 1.3 is wrapped on rope drum 1.1；
The most end that the main shaft 3 is stretched out outside cylinder 12 is installed with forward flange 17, rope drum 1.1 set successively and is filled with middle spiral method
Orchid 16, spiral coaming plate 15 and rear screw flange 14, steel wire rope 1.3 are located between forward flange 17 and middle helical flange 16, steel wire rope
1.3 one end is through forward flange 17 and is fixed on the end face of forward flange 17, and other end bypasses middle helical flange 16, in spiral shell
Thrown away on rotation coaming plate 15 after winding half-turn.
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 bearing block with bolt
On upper surface；The endoporus of needle bearing 2 11 is inserted in the small one end of the diameter of main shaft 3；Spring 10 is set on main shaft 3, and makes its 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；The endoporus of spring wedge 8 is pacified
It is sturdy loaded on main shaft 3 and its lower surface and the top of spring 10；17 static friction pieces 7 and 16 movable friction plates 6 are intersected into peace
The position of square cross-section loaded on main shaft 3, and ensure that three rectangular indentations on the periphery of static friction piece 7 are inserted into static friction piece block 9
On, prevent it from rotating；Static friction piece block 9 is welded on the inwall trisection posistion of cylinder 12 by rivet；Band bearing block
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 of needle bearing 1 is installed on
In 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 plate
It 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；It is straight by long 13 meters
The steel wire rope 1.3 in footpath 30 is passed from the strip hole on forward flange 17, and the steel wire rope end is fixed on to the upper end of forward flange 17
On 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 17 on rope drum 1.1
To reverse-winding second layer rope after first layer rope has been wound between middle helical flange 16, reverse-winding the is reached after forward flange 17 again
Three layers of rope, are wound into spiral coaming plate 15, in spiral during helical flange 16 during third layer rope is reached along the middle indentation, there of helical flange 16
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 is provided is as follows：
When in bunching operation because of the reason such as disconnected rope, out of stock, Lian Jie Zhuan Ge fractures caused by bunching and main boom hoist cable disengaging 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 to rotate,
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 are moved
Friction plate can be rotated against when rotating with 17 static friction pieces produces very big kinetic force of friction（Because the elastic force of spring 10 is converted
For the normal pressure between 16 movable friction plates and 17 static friction pieces, so as to produce about 10 tons of kinetic force of friction）；Led in mine car
During messenger wheel assembly 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 that
Finally intercept mine car；In order to reach colliery by the pull-out length of the steel wire rope during interception 1.3 of transportation safety for 0.3-
10 meters of relevant regulations, can adjust big spring to the pressure of sound friction plate come the size of regulating friction force according to actual conditions,
So as to the requirement that the pull-out length for meeting steel wire rope is 0.3-10 meters.
This progressive buffer-type energy absorber that the present invention is provided, by rope wheel component design by middle helical flange,
The spiral buffer structure of spiral coaming plate and rear screw flange composition, makes energy absorber movable friction plate from static to motion moment maximum
Stiction is also smaller than kinetic force of friction, and the tractive force in traction process suffered by steel wire rope gradually increases, and dynamic in energy absorber
Friction plate reaches maximum drawbar pull when rotating to 180 degree, so that the power for pulling steel wire rope to mine car initial impact serves buffering
Effect, finally intercepts 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 ring of edge breach
Structure, rear screw flange 14 is spiral ring structure, and spiral coaming plate 15 is that two ends in same plane are with circle center line connecting
270 ° of sector structure, sector radius r during 0 ° to 180 ° gradually increases to 1.4r, and from 180 ° to 270 °, radius is kept
1.4r it is constant.
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 is more than 1.4 times of the post exercise kinetic force of friction of rope wheel component 1, so as to can have to steel wire rope
One process for impacting suddenly, produces very big hidden danger using safety, to make steel wire during maximum static friction force to steel wire rope
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 originally
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 gland by bolt
18, gland 18 is compressed with the end face of axle sleeve 1.2.Gland 19 is fixed on spindle end by bolt, pushes down the end face of axle sleeve 1.2 to prevent rope
Wheel assembly is axially deviate from.
Embodiment 4：
On the basis of embodiment 1, as shown in Fig. 2 do not got rid of de- when being towed power to fix steel wire rope 1.3, the steel
Cord 1.3 is 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.By multiple
Experiment, the optimal number that the present embodiment is drawn is that the static friction piece 7 is 17, and movable friction plate 6 is 16.In order to reach colliery
It 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 is grown
The a diameter of 30mm of 35m, divide three layers and are wrapped on rope drum 1.1.
Embodiment 5：
A kind of application method of progressive buffer-type energy absorber is present embodiments provided, it is first that two progressive buffer-type energy absorbers are relative
And set 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 a diameter of
30mm one end of steel wire rope 1.3 is passed in the hole of one of them progressive buffer-type energy absorber forward flange 17, and with four steel wires
The end face of forward flange 17 is fixed at the end of steel wire rope 1.3 by rope briquetting 13, and other end of remaining three layers of the rope point of steel wire rope 1.3 is twined
It is wound 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 spiral shell
Revolve on 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 another gradually
Enter on the rope drum 1.1 of buffer-type energy absorber.When in bunching operation because of the reason such as disconnected rope, out of stock, Lian Jie Zhuan Ge fractures caused by string
Car departs from sport car with main boom hoist cable, 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 to rotate, and 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 rotate, and can be rotated against during the rotation of 16 movable friction plates with 17 static friction pieces and produce very big dynamic rub
Power is wiped, during car haul rope wheel component rotates, what this kinetic force of friction will be progressively is converted into the kinetic energy of mine car
Frictional heat energy, so as to finally intercept mine car.
It is exemplified as above be only to the present invention for example, do not constitute the limitation to protection scope of the present invention, it is all
It is to be belonged to the same or analogous design of the present invention within protection scope of the present invention.The portion that the present embodiment is not described in detail
Part and structure belong to the well-known components and common structure or conventional means of the industry, do not describe one by one here.
Claims (7)
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, which is installed with bearing block, bearing block, is installed with needle bearing one（4）, cylinder（12）Other end bottom plate, bottom plate are installed
Inner side, which is installed with bearing block, bearing block, is installed with needle bearing two（11）, it is characterised in that：Also include main shaft（3）, main shaft
（3）One end rope wheel component is installed（1）, other end pass 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 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 and the sector structure that circle center line connecting is 270 °, sector radius r during 0 ° to 180 ° gradually increase to 1.4r, 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 is compressed.
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, divides three layers and is wrapped in rope drum（1.1）On.
7. a kind of application method of progressive buffer-type energy absorber, it is characterised in that：It is first that two progressive buffer-type energy absorbers are relative
And set 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 a diameter of
30mm steel wire rope（1.3）One end is by one of them progressive buffer-type energy absorber forward flange（17）Hole in pass, and with four
Steel wire rope briquetting（13）By steel wire rope（1.3）Forward flange is fixed at the end（17）End face, by steel wire rope（1.3）It is other end of
Remaining three layers of rope point is wrapped in rope drum（1.1）On, when third layer is around middle helical flange（16）Indentation, there when, along breach will
Steel wire rope（1.3）Around spiral coaming plate（15）On, in spiral coaming plate（15）On after half-turn by steel wire rope（1.3）Throw away, then
The rope drum of another progressive buffer-type energy absorber is wrapped in through rack（1.1）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294396.9A CN107054400B (en) | 2017-04-28 | 2017-04-28 | Progressive buffering type energy absorber and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710294396.9A CN107054400B (en) | 2017-04-28 | 2017-04-28 | Progressive buffering type energy absorber and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107054400A true CN107054400A (en) | 2017-08-18 |
| CN107054400B CN107054400B (en) | 2023-02-24 |
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ID=59604146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710294396.9A Active CN107054400B (en) | 2017-04-28 | 2017-04-28 | Progressive buffering type energy absorber and using method thereof |
Country Status (1)
| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT239845B (en) * | 1962-03-07 | 1965-04-26 | Swoboda Traunsteinwerkstaetten | Tow brake device for tow lifts |
| CN102233884A (en) * | 2010-04-24 | 2011-11-09 | 徐州泰荣煤矿设备有限公司 | Buffer variable force energy adsorption adjustable device for preventing vehicle from running in inclined shaft |
| CN103273943A (en) * | 2013-05-21 | 2013-09-04 | 大连交通大学 | Torque-changeable buffer power absorber |
-
2017
- 2017-04-28 CN CN201710294396.9A patent/CN107054400B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT239845B (en) * | 1962-03-07 | 1965-04-26 | Swoboda Traunsteinwerkstaetten | Tow brake device for tow lifts |
| CN102233884A (en) * | 2010-04-24 | 2011-11-09 | 徐州泰荣煤矿设备有限公司 | Buffer variable force energy adsorption adjustable device for preventing vehicle from running in inclined shaft |
| CN103273943A (en) * | 2013-05-21 | 2013-09-04 | 大连交通大学 | Torque-changeable buffer power absorber |
Non-Patent Citations (1)
| Title |
|---|
| 梁玉等: "斜井跑车系统动态挤压吸能器的设计", 《矿山机械》 * |
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| CN107054400B (en) | 2023-02-24 |
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