CN108248620A - A kind of efficiently braking mining trolley - Google Patents
A kind of efficiently braking mining trolley Download PDFInfo
- Publication number
- CN108248620A CN108248620A CN201810059679.XA CN201810059679A CN108248620A CN 108248620 A CN108248620 A CN 108248620A CN 201810059679 A CN201810059679 A CN 201810059679A CN 108248620 A CN108248620 A CN 108248620A
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- CN
- China
- Prior art keywords
- brake
- piston
- spring
- holder
- block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D11/00—Mine cars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D11/00—Mine cars
- B61D11/02—Body construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H11/00—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types
- B61H11/06—Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types of hydrostatic, hydrodynamic, or aerodynamic brakes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Braking Arrangements (AREA)
Abstract
The present invention relates to a kind of efficiently braking mining trolleys, including vehicle frame, power plant and brake apparatus, the brake apparatus includes wheel rim, housing, pouring orifice, piston and brake(-holder) block, the housing includes outer housing and inner housing, cavity between the inner housing and outer housing is connected with the pouring orifice, and the piston being axially movable is installed, piston is equipped with step, pressure chamber is formed between step and the outer housing, pressure chamber is connected with pouring orifice, piston is being equipped with multiple blind holes by gland end, spring is equipped between blind hole and gland, the brake(-holder) block is arranged on the piston nose, brake(-holder) block includes brake stator piece and dynamic brake(-holder) block, spring is hollow spring, both ends seal, centre is full of oil, the periphery of spring is equipped with heating unit, heating devices heat temperature is higher, spring strength is bigger, brake force increases；Speed is smaller, and heating temperature is lower, and spring strength is small, and brake force reduces；It can be according to the size of speed voluntarily regulating brake force.
Description
Technical field
The present invention designs a kind of this mining trolley more particularly to one kind works in narrow tunnel and can efficiently brake
Mining trolley.
Background technology
Since underground mining difficulty of construction is big, heavy workload, the small space in tunnel limits the construction operation of mechanization,
And previous conventional fortune ore deposit truck is bigger than normal for appearance and size, is unfavorable for the construction of narrow.Since tunnel is smaller, the top of vehicle
Easily scratch tunnel, and transport vehicle turn to when, it is relatively difficult, in addition, it is complicated, easily worn part is more, maintenance cost is high.
Brake is mine car one of the ost important components, and braking is directly related to the security performance of mine car, in addition,
Mine car load is larger, if braking ability is bad, it will seriously affect the travelling speed of car body or even cause safety accident.
In the prior art, from pouring orifice oiling, pressure push the spring is generated, spring pushes piston motion, and then realizes system
It is dynamic, once oil leakage or spring failure, can seriously affect braking effect or even cause safety accident.
In addition, the brake of the prior art, once being designed and manufactured into product, the brake force that can be generated is fixed, and
The road speed coped with of braking in vehicle traveling is changeable, and brake can produce during it is desirable to brake at the higher speeds
Raw more strong brake force, and brake braking force is smaller in relatively low speed brake, this brake force is with velocity variations
Brake get up can it is safer, more it is comfortable effectively, but brake can not also meet above-mentioned requirements at present.
Invention content
The present invention in view of the above shortcomings of the prior art, provides a kind of good braking effect, and security performance is high and can be narrow
The mining trolley to work in small tunnel.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of efficiently braking mining trolley, including vehicle frame,
Power plant and brake apparatus, the brake apparatus include wheel rim, housing, pouring orifice, piston and brake(-holder) block, and the housing includes
Outer housing and inner housing, the cavity between the inner housing and outer housing are connected with the pouring orifice, and are equipped with and can axially be moved
Dynamic piston, the piston are equipped with step, pressure chamber, the pressure chamber and institute are formed between the step and the outer housing
Pouring orifice connection is stated, the piston is being equipped with multiple blind holes by gland end, spring, the system are equipped between the blind hole and gland
Movable plate is arranged on the front end of the piston, and the brake(-holder) block includes brake stator piece and dynamic brake(-holder) block, the dynamic brake(-holder) block and described
Brake stator piece is arranged at intervals, and the spring is hollow spring, and both ends seal, and full of oil, the periphery of the spring, which is equipped with, to be added for centre
Thermal, the heating unit are connect with the controller being arranged on the vehicle frame, and the controller is with being arranged on vehicle frame
Detect the velocity sensor connection of speed.
The beneficial effects of the invention are as follows：After pouring orifice oil inlet, the increase of pressure cavity pressure pushes forward piston, braking solution
It removes, during pouring orifice not oiling, pressure cavity pressure moment reduces, and brake(-holder) block compresses rapidly, realizes braking, good braking effect, once
Oil circuit damages, and can realize braking rapidly, ensures the safety of operation.
During vehicle travels, the speed of the velocity sensor detection transport vehicle of the detection speed on vehicle frame, and will be fast
Degree signal is sent to controller, and controller control heating unit, speed is faster, and heating devices heat temperature is higher, in spring
Oil expansion is bigger, and spring strength is bigger, and brake force is bigger, and braking effect is better；Conversely, speed is smaller, heating unit adds
Hot temperature is lower, and the oil expansion in spring is smaller, and spring strength is smaller, and brake force is smaller；System can be voluntarily adjusted according to speed
The size of power improves braking effect and comfort level.
Further, the heating unit is heater strip or heating muff, when heating unit is heater strip, the heater strip
It is wrapped on the spring；When heating unit is heating muff, the heating muff is socketed on the spring.
Further, the piston and the inside and outside body clearance cooperation, between the piston and the inside and outside housing
Equipped with support ring, and sealing ring is additionally provided between the piston and the outer housing.
Further, the spline for installing the brake stator piece is equipped on the outside of the inner housing, peace is equipped on the inside of the wheel rim
The spline of the dynamic brake(-holder) block of dress.
Further, the rear end of the inner housing is equipped with locknut, and the peripheral dimension of the locknut is more than brake stator
Piece spline tooth point size, and less than dynamic brake(-holder) block spline tooth root size.
Further, the front frame is connected with the Rear frame by swinging assembly, the Rear frame front end and the pendulum
Dynamic assembly is hinged；One end of the Rear frame upper front end connection hydraulic device, the wagon box connect the another of the hydraulic device
One end；The front end of the front frame is connect with front driving axle, and the rear end of the Rear frame is connect with rear driving axle, and the rear car
The front end of frame is less than the rear driving axle.
Advantageous effect using above-mentioned further technical solution is：Simple in structure, Rear frame front end is hinged with swinging assembly,
It is convenient to turn to, and the front end of the Rear frame is less than the rear driving axle, and hydraulic device is arranged on the front end of the Rear frame, and
The other end connection wagon box of hydraulic device, the front end of Rear frame reduce, and also meaning that the height of wagon box reduces, and reduces the mine
The height of transport vehicle.
Further, the swing assembly includes floating bearing and pendular body, and the front frame rear end and the pendular body lead to
The floating bearing connection is crossed, the Rear frame front end and the pendular body are hinged.
Further, the power plant includes front driving axle, rear driving axle, engine, gearbox and torque-converters, the change
Fast case and the torque-converters are structure as a whole.
Further, the hydraulic device includes hydraulic cylinder and piston, and the hydraulic cylinder passes through supporting steel pipe and the rear car
Frame is hinged, and the piston is hinged with the wagon box, and the supporting steel pipe uses seamless steel pipe.
Advantageous effect using above-mentioned further technical solution is：Supporting steel pipe uses seamless steel pipe, convenient welding.
Description of the drawings
Fig. 1 is the structure diagram of brake apparatus of the present invention；
Fig. 2 is the diagrammatic cross-section of brake apparatus of the present invention；
Fig. 3 is the spring of brake apparatus of the present invention and controller, velocity sensor connection diagram；
Fig. 4 is body frame structure for automotive schematic diagram of the present invention；
In the accompanying drawings, the list of designations represented by each label is as follows：1st, gland, 2, spring, 3, outer housing, 4, sealing
Ring, 5, support ring, 6, wheel rim, 7, locknut, 8, brake stator piece, 9, dynamic brake(-holder) block, 10, inner housing, 11, pressure chamber, 12, note
Hydraulic fluid port, 13, piston, 14, controller, 15, velocity sensor, 16, front frame, 17, front driving axle, 18, pendular body, 19, rear car
Frame, 20, wagon box, 21, hydraulic device, 22, supporting steel pipe, 23, articulated shaft, 24, pendular body, 25, brake apparatus, 26, rear driving
Bridge, 27, heating unit.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
Embodiment 1
As shown in Figures 1 to 4, a kind of efficiently braking mining trolley, including vehicle frame, power plant and brake apparatus, institute
It states brake apparatus and includes wheel rim 6, housing, pouring orifice 12, piston 13 and brake(-holder) block, the housing includes outer housing 3 and inner housing
10, the cavity between the inner housing 10 and outer housing 3 connects, and be equipped with the piston being axially movable with the pouring orifice 12
13, the piston 13 be equipped with step, between the step and the outer housing 3 formed pressure chamber 11, the pressure chamber 11 with
The pouring orifice 12 connects, and the piston 13 is being equipped with multiple blind holes by gland end, and spring is equipped between the blind hole and gland
2, the brake(-holder) block is arranged on the front end of the piston 13, and the brake(-holder) block includes brake stator piece 8 and dynamic brake(-holder) block 9, described dynamic
Brake(-holder) block 9 and the brake stator piece 8 are arranged at intervals.
The spring 2 is hollow spring, and both ends sealing, centre is equipped with heating unit full of oil, the periphery of the spring 2
27, the heating unit 27 is heater strip, and the heater strip is wrapped on the spring 2.The heating unit 27 is with being arranged on
Controller 14 on the vehicle frame connects, and the velocity sensor 15 of detection speed of the controller 14 with being arranged on vehicle frame connects
It connects.
The heating unit 27 is heater strip, and the heater strip is wrapped on the spring 2.
The piston 13 and the inside and outside housing 10,3 clearance fits, the piston 13 and the inside and outside housing 10,3 it
Between be equipped with support ring 5, and sealing ring 4 is additionally provided between the piston 13 and the outer housing 3.
10 outside of inner housing is equipped with the spline for installing the brake stator piece 8, and it is dynamic that 6 inside of wheel rim is equipped with installation
The spline of brake(-holder) block 9.The rear end of the inner housing 10 is equipped with locknut 7, and the peripheral dimension of the locknut 7 is more than quiet system
Movable plate spline crown size, less than dynamic brake(-holder) block spline tooth root size.The gland 1 and the housing are detachably connected.
The front frame 16 is connected with the Rear frame 19 by swinging assembly, 19 front end of Rear frame and the swing
Assembly is hinged；One end of 19 upper front end of the Rear frame connection hydraulic device 21, wagon box 20 connect the hydraulic device 21
The other end；The front end of the front frame 16 is connect with front driving axle 17, and the rear end of the Rear frame 19 is connect with rear driving axle 26,
And the front end of the Rear frame 19 is less than the rear driving axle 26.
The power plant includes front driving axle 17, rear driving axle 26, engine, gearbox and torque-converters, the speed change
Case and the torque-converters are structure as a whole.
The swing assembly includes floating bearing and pendular body 18, and 16 rear end of front frame and the pendular body 18 pass through
The floating bearing connection, 19 front end of Rear frame and the pendular body 18 are hinged.
The rear end of the pendular body 18 is equipped with connecting plate, and the connecting plate is connected with the Rear frame 19 by articulated shaft 23
It connects.
The hydraulic device includes hydraulic cylinder and piston, and the hydraulic cylinder is cut with scissors by supporting steel pipe 22 and the Rear frame 19
It connects, the piston 13 is hinged with the wagon box 20, and the supporting steel pipe 22 uses seamless steel pipe.
Embodiment 2
As different from Example 1：The heating unit 27 is heating muff, and the heating muff is socketed in the spring
Upper (being not drawn into figure), heating are more comprehensive.
The operating principle of the present invention is as follows：
When needing to release braking, pouring orifice oil inlet, 11 pressure of pressure chamber increase pushes forward piston 13, spring 2 is pressed
Contracting, dynamic brake(-holder) block 9 are moved forward, are detached with brake stator piece 8, brake release, speed is zero at this time, and heating unit does not heat.
When need braking when, stop oiling, 11 pressure moment of pressure chamber reduce, spring 2 rapidly reset, push piston 13 to
After move, sound brake(-holder) block 8,9 rapidly compress, realize braking, once in this way oil circuit damage, can brake rapidly, ensure operate
Safety.
In vehicle driving process, velocity sensor 15 detects the speed of vehicle traveling, and delivers a signal to controller, the control
Device 14 processed controls heating unit 27, if vehicle travels speed, heating devices heat temperature is higher, the oil expansion in spring 2
It is larger, so as to which 2 intensity of spring is larger, at this point, 25 brake force of brake apparatus is larger；If vehicle travel speed is relatively low, heating unit
27 heating temperatures are relatively low, and the oil expansion in spring 2 is small, and 2 intensity of spring is weak, and brake force is smaller.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of efficiently braking mining trolley, including vehicle frame, power plant and brake apparatus, the brake apparatus includes wheel
Rim, housing, pouring orifice, piston and brake(-holder) block, the housing includes outer housing and inner housing, between the inner housing and outer housing
Cavity connected with the pouring orifice, and the piston being axially movable is installed, which is characterized in that the piston be equipped with platform
Rank forms pressure chamber between the step and the outer housing, the pressure chamber is connected with the pouring orifice, the piston by
Gland end is equipped with multiple blind holes, and spring is equipped between the blind hole and gland, and the brake(-holder) block is arranged on the front end of the piston,
The brake(-holder) block includes brake stator piece and dynamic brake(-holder) block, and the dynamic brake(-holder) block and the brake stator piece are arranged at intervals, the spring
For hollow spring, both ends sealing, centre is equipped with heating unit, the heating unit and setting full of oil, the periphery of the spring
Controller connection on the vehicle frame, the controller are electrically connected with the velocity sensor of detection speed being arranged on vehicle frame
It connects.
2. a kind of efficiently braking mining trolley according to claim 1, which is characterized in that the heating unit is heating
Silk or heating muff, when heating unit is heater strip, the heater strip is wrapped on the spring；When heating unit is heating
During casing, the heating muff is socketed on the spring.
3. a kind of efficiently braking mining trolley according to claim 1, which is characterized in that the piston and it is described it is interior,
Outer housing clearance fit is equipped with support ring, and the piston and the outer housing between the piston and the inside and outside housing
Between be additionally provided with sealing ring.
4. a kind of efficiently braking mining trolley according to claim 1, which is characterized in that set on the outside of the inner housing
There is the spline for installing the brake stator piece, the spline of the dynamic brake(-holder) block of installation is equipped on the inside of the wheel rim.
5. a kind of efficiently braking mining trolley according to claim 1, which is characterized in that the rear end of the inner housing is set
There is locknut, the peripheral dimension of the locknut is more than brake stator piece spline tooth point size, and less than dynamic brake(-holder) block spline
Tooth root size.
6. according to a kind of efficiently braking mining trolley of claim 1-5 any one of them, which is characterized in that the front frame
It is connected with the Rear frame by swinging assembly, the Rear frame front end is hinged with the swing assembly；The Rear frame front end
Top connects one end of hydraulic device, and the wagon box connects the other end of the hydraulic device；The front end of the front frame is with before
Drive axle connects, and the rear end of the Rear frame is connect with rear driving axle, and the front end of the Rear frame is less than the rear driving axle.
7. a kind of efficiently braking mining trolley according to claim 6, which is characterized in that the swing assembly includes back
Shaft is held and pendular body, and the front frame rear end is connected with the pendular body by the floating bearing, the Rear frame front end
It is hinged with the pendular body.
8. a kind of efficiently braking mining trolley according to claim 7, which is characterized in that the rear end of the pendular body is set
There is connecting plate, the connecting plate passes through hinged axis connection with the Rear frame.
9. a kind of efficiently braking mining trolley according to claim 6, which is characterized in that before the power plant includes
Drive axle, rear driving axle, engine, gearbox and torque-converters, the gearbox and the torque-converters are structure as a whole.
10. a kind of efficiently braking mining trolley according to claim 6, which is characterized in that the hydraulic device includes
Hydraulic cylinder and piston, the hydraulic cylinder are hinged by supporting steel pipe and the Rear frame, and the piston is hinged with the wagon box, institute
Supporting steel pipe is stated using seamless steel pipe.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017100531220 | 2017-01-24 | ||
| CN201710053122 | 2017-01-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108248620A true CN108248620A (en) | 2018-07-06 |
| CN108248620B CN108248620B (en) | 2019-06-14 |
Family
ID=62726831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810059679.XA Active CN108248620B (en) | 2017-01-24 | 2018-01-22 | A kind of efficiently braking mining trolley |
Country Status (1)
| Country | Link |
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| CN (1) | CN108248620B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU608686A1 (en) * | 1975-11-10 | 1978-05-30 | Калужский Ордена Октябрьской Революции Машиностроительный Завод | Vehicle hydrodynamic brake control system |
| JPH09317932A (en) * | 1996-05-31 | 1997-12-12 | Akebono Brake Res & Dev Center Ltd | Liquid-operated shut-off valve and brake circuit utilizing the same |
| CN1314274A (en) * | 2000-02-24 | 2001-09-26 | 西屋气刹车技术股份有限公司 | Car stopping brake member of applied spring |
| CN103661480A (en) * | 2013-12-09 | 2014-03-26 | 淮南矿业(集团)有限责任公司 | Mining locomotive brake buffer |
| CN203651807U (en) * | 2014-01-06 | 2014-06-18 | 绍兴光昊机械科技有限公司 | Spring braking totally-closed wet-type parking brake |
| CN105570366A (en) * | 2015-12-28 | 2016-05-11 | 哈尔滨工业大学 | Variable-stiffness memory alloy spring body and stiffness factor varying method thereof |
-
2018
- 2018-01-22 CN CN201810059679.XA patent/CN108248620B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU608686A1 (en) * | 1975-11-10 | 1978-05-30 | Калужский Ордена Октябрьской Революции Машиностроительный Завод | Vehicle hydrodynamic brake control system |
| JPH09317932A (en) * | 1996-05-31 | 1997-12-12 | Akebono Brake Res & Dev Center Ltd | Liquid-operated shut-off valve and brake circuit utilizing the same |
| CN1314274A (en) * | 2000-02-24 | 2001-09-26 | 西屋气刹车技术股份有限公司 | Car stopping brake member of applied spring |
| CN103661480A (en) * | 2013-12-09 | 2014-03-26 | 淮南矿业(集团)有限责任公司 | Mining locomotive brake buffer |
| CN203651807U (en) * | 2014-01-06 | 2014-06-18 | 绍兴光昊机械科技有限公司 | Spring braking totally-closed wet-type parking brake |
| CN105570366A (en) * | 2015-12-28 | 2016-05-11 | 哈尔滨工业大学 | Variable-stiffness memory alloy spring body and stiffness factor varying method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108248620B (en) | 2019-06-14 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: High efficiency braking mine transport vehicle Effective date of registration: 20211209 Granted publication date: 20190614 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: ZHAOYUAN HUAFENG MACHINERY CO.,LTD. Registration number: Y2021980014466 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220530 Granted publication date: 20190614 Pledgee: Yantai financing guarantee Group Co.,Ltd. Pledgor: ZHAOYUAN HUAFENG MACHINERY CO.,LTD. Registration number: Y2021980014466 |
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