CN103434533A - Fall prevention brake device of inclined shaft transportation car - Google Patents
Fall prevention brake device of inclined shaft transportation car Download PDFInfo
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- CN103434533A CN103434533A CN2013104130103A CN201310413010A CN103434533A CN 103434533 A CN103434533 A CN 103434533A CN 2013104130103 A CN2013104130103 A CN 2013104130103A CN 201310413010 A CN201310413010 A CN 201310413010A CN 103434533 A CN103434533 A CN 103434533A
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- brake device
- spring
- pull rod
- travelling bogie
- car
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Abstract
The invention relates to a fall prevention brake device of an inclined shaft transportation car. The fall prevention brake device comprises a main pull rod, colliding iron, a clamping jaw, a support block, a holding jaw, a brake spring, a guide rod, baffle plate channel steel and a starting spring, wherein the colliding iron is installed on the main pull rod to divide the main pull rod into a front pull rod and a rear rod, and one end of the rear pull rod penetrates through the baffle plate channel steel and the starting spring to be connected with a retaining nut; the clamping jaw is connected with the support block, and the support block is hinged with the guide rod; the brake spring is installed on the guide rod, and the holding jaw is connected with the support block; the front pull rod of the main pull rod is connected with a car main-rope connecting device, is arranged at the center of a chassis of the transportation car, and bears the traction load of the whole car. The brake device adopts double braking modes of automatic braking and manual braking and solves the problem that the transportation car falls when traction is lost after hoisting equipment breaks down or a steel wire rope is broken. Meanwhile, a damping device is installed on the car to ensure that the transportation car overcomes the action of inertia force during braking and can steadily brake.
Description
Technical field
The invention belongs to the water conservancy and hydropower technical field, specifically a kind of slope construction travelling bogie falling-proof brake device.
Background technology
Current domestic slope construction transport systems is mainly: adopt one or two or double drum winch, twin traction travelling bogie along mounted track in inclined shaft by personnel, material or equipment conveying to operation side.Particularity due to slope construction, upper and lower cross-operation can't be avoided, on the job platform of construction period inclined shaft lower end, preparation of construction, workmen are arranged, job platform is to the upper and lower operation of inclined shaft upper end travelling bogie, and the running frequency of travelling bogie is very high, therefore to the safe reliability of travelling bogie, require high.Current existing traction system can not fundamentally solve the accident that wire rope breaking or lifting means break down and cause the travelling bogie sport car and fall.
(1) adopt the mode of a winch traction steel cable Lifting Convey dolly, if the sport car fault appears in wire rope breaking or winch, all will cause travelling bogie to fall.
(2) while adopting two winchs to share steel cable traction travelling bogie, after steel rope is walked around the equalizer pulley be installed on travelling bogie, the two ends of steel rope are separately fixed on the reel of two winchs, the risk that this mode of traction exists wire rope breaking or winch to break down and cause travelling bogie to fall equally.
(3) two each personal steel cables of winch draw in the system of travelling bogie simultaneously, on travelling bogie, install for adjusting the hydraulic ram because of two asynchronous operations of winch, the traction end of steel rope is fixed on hydraulic ram, although reduced the risk of wire rope breaking in this mode of traction, but still can not solve the risk after the sport car fault appears in winch.
It is similar to the service condition that adopts two steel ropes of two winch tractions jointly to draw travelling bogie that two steel ropes of (4) double drum winch, twin tractions draw travelling bogie jointly, can't avoid equally because the risk that causes travelling bogie to fall after the sport car fault appears in winch, be the asynchronism that this mode of traction has reduced two steel rope operations greatly.
In the slope construction process of domestic water electrical engineering construction field, the traction system of travelling bogie can't fundamentally solve that lifting means breaks down or wire rope breaking after the travelling bogie risk of falling because losing tractive force.
Summary of the invention
The purpose of this invention is to provide a kind of slope construction travelling bogie falling-proof brake device, in time, effectively, braking is steady, safety in its braking.
Technical solution of the present invention is: adopt an installation armful rail brake on the travelling bogie chassis to solve this problem.Shock absorber is installed simultaneously on dolly and to guarantee travelling bogie, is overcome the effect of force of inertia when braking, can gradual braking.
Travelling bogie falling-proof brake device of the present invention comprises: main tie, hit iron, claw, back-up block, holding claw, retarding spring, guide rod, baffle plate channel-section steel, start spring; Hitting iron is contained on main tie, it is divided into to front tension bar and back stay, back stay one end through the baffle plate channel-section steel with start spring and be connected with clamp nut, claw is connected with back-up block, and back-up block and guide rod are hinged, and retarding spring is housed on guide rod, holding claw is connected with back-up block, the front tension bar of main tie is connected with dolly master rope connecting device, and the main tie front tension bar is in travelling bogie center chassis position, and carries the traction load of whole dolly.
Also be provided with the travelling bogie energy disperser in described conveying trolley used in inclined shaft falling-proof brake device, energy disperser adopts rope formula energy disperser, and with 6 * 37 cross lay Φ 19.5 steel ropes, top is fixed on the wire holder part on pivot, and end is in little car body and leave remaining rope.Block and start spring
Conveying trolley used in inclined shaft falling-proof brake device of the present invention compared with prior art, the invention has the beneficial effects as follows:
1, braking in time, effectively: with traditional travelling bogie elevator system, compare, equal energy effective brake when this anti-fall brake equipment occurs unforeseen circumstancess such as lifting means fault or wire rope breakings, and braking time is shorter, during braking, holding claw falls can effectively embrace rail.
2, brake steady, safety: during braking, under the effect of snub rope, car body, along the brake bracket slip, can overcome the force of inertia while braking, the safety of protection personnel and equipment.
3, prevent that by the autobrake mode travelling bogie from falling, and realizes sudden stop by hand brake.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is described in detail:
Fig. 1 is conveying trolley used in inclined shaft falling-proof brake device structural representation of the present invention.
In figure: 1-(main tie) front tension bar, 2-hit iron, 3-claw, 4-back-up block, 5-holding claw, 6-retarding spring, 7-guide rod, 8-track, 9-baffle plate channel-section steel, 10-spring started, 11-(starting spring) clamp nuts, 12-(main tie) back stays.
The specific embodiment
As shown in Figure 1, travelling bogie falling-proof brake device of the present invention comprises: main tie, hit iron 2, claw 3, back-up block 4, holding claw 5, retarding spring 6, guide rod 7, baffle plate channel-section steel 9, start spring 10; Hitting iron 2 is contained on main tie, and adopt bearing pin to connect, it is divided into to front tension bar 1 and back stay 12, back stay one end through baffle plate channel-section steel 9 with start spring 11 and be connected with clamp nut, an end at the non-baffle plate channel-section steel that starts spring has clamp nut 11, clamp nut is fixed on the back stay end, adjusts the position of clamp nut and can control the elastic force that starts spring, thereby adjust the reaction time of brake equipment.Claw 3 is connected with back-up block 4, and back-up block 4 is hinged with guide rod 7, and retarding spring 6 is housed on guide rod 7, and holding claw 5 is connected with back-up block 4, and the front tension bar 1 of main tie is connected with dolly master rope connecting device, and carries the traction load of whole dolly.Main tie front tension bar and collision block are in travelling bogie center chassis position, and the baffle plate channel-section steel is fixed on the chassis of travelling bogie.
The travelling bogie of conveying trolley used in inclined shaft falling-proof brake device of the present invention is successfully constructed for the concrete lining of inclined shaft of Qingyuan City's hydroenergy storage station, this inclined shaft digging diameter Φ 10.6m, diameter of phi 9.2m after lining cutting.The inclined shaft axis becomes 50 ° of angles with horizon, straight line segment length 292.119m, the long 30.643m(axis of upper curved section is long), the long 32.114m(axis of lower horizontal section is long).Travelling bogie deadweight 6.75t, load-carrying 5t, the maximum running velocity 45m/min that allows, high spud angle, load capacity, in the situation that in the inclined shaft that inclination angle is 50o, lifting weight reaches 11.75 tons and uses and embrace rail brakes and still belong to the first time at home.
Conveying trolley used in inclined shaft falling-proof brake device of the present invention can adopt autobrake and artificial braking double brake mode.
1, autobrake
Pull bar is positioned at the travelling bogie center chassis and directly bears the travelling bogie tractive force, and when travelling bogie starts operation, pull bar moves forward under the tractive force effect, starts spring compressed gradually.Travelling bogie normally moves back stay and bears all tractive forces, starts spring and is compressed into ultimate limit state.After travelling bogie loses tractive force, pull bar moves backward together with collision block under the effect of starting spring power, after in mobile process, collision block is encountered claw, thereby claw rotates counterclockwise claw and back-up block are broken away from, drive holding claw whereabouts (retarding spring is normal in service compressed) and contact an armful rail braking with track under the effect of retarding spring elastic force.
2, hand brake
When travelling bogie needs sudden stop in operational process, the driver moves brake-applying handle, the bearing pin that the brake-applying handle steel rope is connected with collision block with front tension bar is connected, during hand brake, brake-applying handle is taken bearing pin out of by steel rope, front tension bar separates with collision block, thereby start spring, drives back stay move backward and trigger claw and start and embrace a rail device and embrace the rail braking together with collision block under the effect of elastic force.
The travelling bogie energy disperser adopts rope formula energy disperser, and with 6 * 37 cross lay Φ 19.5 steel ropes, top is fixed on the wire holder part on pivot, and end is in car body and leave remaining rope.When travelling bogie is braked, the brake bracket relative orbit is motionless, car body slides along brake bracket, in sliding process, its energy is cushioned the device absorption gradually, make the travelling bogie gradual braking, the length that steel rope is slipped over and distance, inclination angle, the speed of a motor vehicle, load are relevant, and maximum allows to slip over 0.6m, and the buffering capacity Resistance Value can be adjusted by bolt.
Claims (2)
1. a conveying trolley used in inclined shaft falling-proof brake device is characterized in that the travelling bogie falling-proof brake device comprises: main tie, hit iron, claw, back-up block, holding claw, retarding spring, guide rod, baffle plate channel-section steel, start spring; Hitting iron is contained on main tie, it is divided into to front tension bar and back stay, back stay one end connects the baffle plate channel-section steel and starts spring, and claw contacts with back stay, and claw is connected with back-up block, back-up block and guide rod are hinged, retarding spring is housed on guide rod, and holding claw is connected with retarding spring, and the front tension bar of main tie is connected with dolly master rope connecting device, the main tie front tension bar is in travelling bogie center chassis position, and carries the traction load of whole dolly.
1.2, conveying trolley used in inclined shaft falling-proof brake device according to claim 1, it is characterized in that also being provided with the travelling bogie energy disperser in described conveying trolley used in inclined shaft falling-proof brake device, energy disperser adopts rope formula energy disperser, with steel rope top, be fixed on the wire holder part on pivot, end is in little car body and leave remaining rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104130103A CN103434533A (en) | 2013-09-12 | 2013-09-12 | Fall prevention brake device of inclined shaft transportation car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104130103A CN103434533A (en) | 2013-09-12 | 2013-09-12 | Fall prevention brake device of inclined shaft transportation car |
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| Publication Number | Publication Date |
|---|---|
| CN103434533A true CN103434533A (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013104130103A Pending CN103434533A (en) | 2013-09-12 | 2013-09-12 | Fall prevention brake device of inclined shaft transportation car |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405435A (en) * | 2014-12-05 | 2015-03-11 | 中国水利水电第十四工程局有限公司 | Safety protection device for inclined shaft engineering construction |
| CN106627605A (en) * | 2017-02-17 | 2017-05-10 | 秦皇岛鸿鼎轨道交通设备有限公司 | Multi-power hybrid driving system |
| CN106828511A (en) * | 2017-02-17 | 2017-06-13 | 秦皇岛鸿鼎轨道交通设备有限公司 | Rack rails clamp rail tour bus |
| CN113023277A (en) * | 2021-03-22 | 2021-06-25 | 徐州徐工随车起重机有限公司 | Floor truck with anti-falling device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1387699A (en) * | 1971-06-04 | 1975-03-19 | Scharf Gmbh Maschf | Mining transportation means |
| CN2365400Y (en) * | 1998-12-12 | 2000-02-23 | 吉林市盛达矿山机械有限责任公司 | Manriding car |
| CN2823078Y (en) * | 2005-03-26 | 2006-10-04 | 张玉华 | Train type man used in inclined shaft |
| CN201124843Y (en) * | 2007-09-06 | 2008-10-01 | 唐进元 | Automatic anti-slipping device for mechanical type tramcar |
| CN201951486U (en) * | 2011-03-17 | 2011-08-31 | 吉林市盛达矿山机械有限责任公司 | Manual operation brake system |
| CN202046326U (en) * | 2011-04-22 | 2011-11-23 | 吉林市盛达矿山机械有限责任公司 | Rail-clamping mancar |
| CN203485933U (en) * | 2013-09-12 | 2014-03-19 | 中国水利水电第十四工程局有限公司 | Falling-resistant brake device of inclined shaft traveling bogie |
-
2013
- 2013-09-12 CN CN2013104130103A patent/CN103434533A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1387699A (en) * | 1971-06-04 | 1975-03-19 | Scharf Gmbh Maschf | Mining transportation means |
| CN2365400Y (en) * | 1998-12-12 | 2000-02-23 | 吉林市盛达矿山机械有限责任公司 | Manriding car |
| CN2823078Y (en) * | 2005-03-26 | 2006-10-04 | 张玉华 | Train type man used in inclined shaft |
| CN201124843Y (en) * | 2007-09-06 | 2008-10-01 | 唐进元 | Automatic anti-slipping device for mechanical type tramcar |
| CN201951486U (en) * | 2011-03-17 | 2011-08-31 | 吉林市盛达矿山机械有限责任公司 | Manual operation brake system |
| CN202046326U (en) * | 2011-04-22 | 2011-11-23 | 吉林市盛达矿山机械有限责任公司 | Rail-clamping mancar |
| CN203485933U (en) * | 2013-09-12 | 2014-03-19 | 中国水利水电第十四工程局有限公司 | Falling-resistant brake device of inclined shaft traveling bogie |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405435A (en) * | 2014-12-05 | 2015-03-11 | 中国水利水电第十四工程局有限公司 | Safety protection device for inclined shaft engineering construction |
| CN106627605A (en) * | 2017-02-17 | 2017-05-10 | 秦皇岛鸿鼎轨道交通设备有限公司 | Multi-power hybrid driving system |
| CN106828511A (en) * | 2017-02-17 | 2017-06-13 | 秦皇岛鸿鼎轨道交通设备有限公司 | Rack rails clamp rail tour bus |
| CN113023277A (en) * | 2021-03-22 | 2021-06-25 | 徐州徐工随车起重机有限公司 | Floor truck with anti-falling device |
| CN113023277B (en) * | 2021-03-22 | 2022-09-16 | 徐州徐工随车起重机有限公司 | Floor truck with anti-falling device |
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Application publication date: 20131211 |