CN2581396Y

CN2581396Y - Seed reducing braking device for use when breaking rope

Info

Publication number: CN2581396Y
Application number: CN 02239492
Authority: CN
Inventors: 孙耀; 赵豫祥
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-06-21
Filing date: 2002-06-21
Publication date: 2003-10-22
Anticipated expiration: 2012-06-21

Abstract

The utility model relates to a breaking rope speed reducing and braking device which comprises and is composed of a hanging breaking rope sampling mechanism, a hydraulic control mechanism and an actuating mechanism. In the utility model, a wire rope is connecting and hanging component and a hanging rod are connected with a tank cage together; components of the hydraulic system are all installed on a top cover of the tank cage; a hydraulic tank and a manual operating valve are also installed; the actuating mechanism on both sides of the tank cage is connected with a tank channel in a sliding method; the hydraulic system is softly connected with the actuating mechanism which mainly comprises a braking plate, an oil cylinder body, a braking base and a braking plate position restoring component. The utility model adopts a whole hydraulic system for replacing a clamping claw structure and use nitrogen gas as the dynamic force source of energy storers, and thereby, the utility model has the advantages of safe running, stable speed reduction, on running damage of cage channel, persons and goods, simple structure and convenient repair, can be widely used for tank cages or high speed elevators for lifting speed and is an indispensable crash preventing safety device for silo lifting devices at present.

Description

Disconnected rope slowing-down brake device

1, technical field

The utility model relates to vertical shaft for mine or the safe slowing-down brake anti-fall device of a kind of disconnected rope of elevator when conveying personnel or article.

2, background technology

The cage that vertical shaft for mine uses is the upper and lower important channel of miner or article, directly threatens the safety in production of mine.In the cage hoisting process, for a certain reason, hoisting cable or connecting device fracture cause great personal casualty and property damage, and for this reason, winding cage or civilian elevator all need be installed falling protector.The falling protector of China's use at present adopts former Soviet Union's jack catchs type falling protector of the fifties mostly.There are following several point defects in this falling protector: reliability is not high when 1. moving; Havoc cage guide when 2. moving causes unnecessary economic loss; 3. when the cage of high-speed cruising meets accident,, the stroke of brake is strengthened, increased safety hazard personnel because the huge inertia of cage makes the blade of claw directly reduce friction force in the wooden cage guide of incision; 4. the jack catchs type falling protector does not have any safety effect to steel guide.

3, summary of the invention

The present utility model is to use a kind of safety device on mine hoisting cage or civilian elevator.At present the various bonts that use mostly are steel rope and connect, and therefore when the upper and lower operation of bont, will make operating cage or elevator free fall after causing wire cable rupture for a certain reason.Cause great human casualty accident and mechanical accident therefrom, cause heavy economic losses.The major issue that the present utility model solves is exactly the moment at wire cable rupture, this device action, make the cage of free fall or elevator automatic deceleration after brake until parking.

Solving the technical solution of the utility model is achieved in that disconnected rope slowing-down brake anti-fall device, hangs the divinatory symbol assembly and be connected with steel rope, be connected simultaneously with cage or elevator sampling link rod, spring, in the both sides of cage or elevator respectively by actuating unit and cage guide sliding block joint.Improvements of the present utility model are that the top of cage or elevator is provided with anti-fall device, whole device also comprises hydraulic efficiency pressure system except that hanging the divinatory symbol assembly, actuating unit three parts are formed, its hydraulic efficiency pressure system is again two sides and the hydraulic pressure indicator gauge that two logical operating valves is connected actuating unit by high pressure hose, the other end inserts open type oil tank by high pressure hose, the lower end of manual operating valve respectively with manual shutoff valve, the hydraulic pressure indicator gauge, energy storage connects, the lower end of energy storage connects nitrogen input end manual shutoff valve and hydraulic pressure indicator gauge, the braking vane of actuating unit and braking vane base, the braking vane reset assembly interconnects.Both sides at the braking vane reset assembly are respectively equipped with adjustable column.Safety is equipped with O type and y-type seal ring in the cylinder body.Bracket component is connected with the oil cylinder dowel bolt, and adjustable column is connected with oil cylinder piston, high pressure fuel pipe quick coupling seat be installed in the upper end of bracket component and communicate with oil cylinder, energy storage is connected on the high pressure fuel pipe quick coupling seat through the high pressure hose shutoff valve.

The present utility model compared with prior art, can make when the cage of high-speed cruising or elevator meet accident, snap action, utilize nitrogen to be propulsion source, after making the oil cylinder work done braking vane is abutted against on wooden cage guide or the steel guide, the friction that it produced is stopped after cage or elevator are steadily slowed down, and does not have any economic loss.Be the indispensable a kind of novel anti-dropping safety devices of various lifting means.

4, description of drawings

Fig. 1, be the utility model hangar system structural representation;

Fig. 2, be the hydraulic pressure connection diagram of Fig. 1;

Fig. 3, be the actuating unit scheme drawing of Fig. 1.

Accompanying drawing is a specific embodiment of the present utility model.

Below in conjunction with accompanying drawing content of the present utility model is described further:

Shown in Figure 1, steel rope 1 connects one and hangs divinatory symbol assembly 2, hangs divinatory symbol assembly 2 and formed, bumped at sampling link rod 3 one ends that are with bullet Huang 7 on connection suspension rod 6, the suspension rod 6 on the framework, be hinged and be connected on the suspension rod 6 by framework, axle, pulley again, and the other end bumps and is connected on manual operating valve 4.The both sides actuating unit 5 and cage guide 8 sliding block joints of cage or elevator.

Figure 2 shows that the hydraulic pressure connection diagram of actuating unit, the upper end of manual operating valve 7 connects the bottom of actuating unit 5-1,5-2 be connected a shutoff valve 8, shutoff valve 8 with hydraulic pressure indicator gauge 6, the other end lower end dividing three tunnel lower ends that are connected with shutoff valve 9, hydraulic pressure indicator gauge 16, energy storage 15, energy storage 15 respectively to connect nitrogen shutoff valve 10 and hydraulic pressure indicator gauge 14, actuating unit 5-2 respectively respectively by high pressure hose 13 and inserts in the open type oil tank 11 by the high-pressure pipe that high-pressure pipe 13 is connected with shutoff valve 12, shutoff valve 12.

Fig. 3 is the actuating unit structural representation, actuating unit 5-1,5-2 is the symmetry structure, the braking vane 20 and the braking vane base 23 of actuating unit 5, braking vane reset assembly 22 connects, be respectively equipped with adjustable column 21 in the both sides of braking vane reset assembly 22, cylinder body 29 is equipped with O RunddichtringO 25 and y-type seal ring 26, bracket component 24 is connected with oil cylinder dowel bolt 27, adjustable column 21 is connected with oil cylinder piston 28, high pressure fuel pipe quick coupling seat 30 is installed in the upper end of bracket component 24, and the energy storage 15 that communicates with oil cylinder is connected on the high pressure fuel pipe quick coupling seat 30 through high pressure hose 17.

Actuating unit 5-1,5-2 form, are installed in respectively on the corresponding cage guide in cage or elevator both sides for symmetry, after treating the said structure installation, before the trail run, should add earlier that inflated with nitrogen and hydraulic oil, energy storage 15 inside are provided with piston, hydraulic oil, bottom inflated with nitrogen are filled in piston top.

1, during inflated with nitrogen, by Fig. 2 open shutoff valve 13, with nitrogen charge into energy storage 15 the bottom, observe hydraulic pressure indicator gauge 16, when treating that pressure rises to 5Mpa, close shutoff valve gas replenishment process 13 this moment and finish.

When 2, annotating hydraulic oil, close shutoff valve 11,18 earlier, open shutoff valve 12, use the oil storage side filling hydraulic oil of hand oil pump to energy storage 15, observe the pressure of hydraulic pressure indicator gauge 14, treat to stop oiling when oil pressure rises to 17Mpa, and close shutoff valve 12, unlatching shutoff valve 11, oil-filled process end this moment.

After filling nitrogen and oiling, the energy storage 15 in running order hydraulic pressure anti-fall devices that is to say are awaited orders.If hoisting cable or connecting device fracture this moment, suspension rod 6 on cage or the elevator is downward quick travel under the effect of spring 7, at this moment take a sample and open manual operating valve 4 when link rod 3 also moves down, high pressure oil in the energy storage 15 enters actuating unit 5-1 by shutoff valve 10, the quick coupling seat 30 of 5-2, high pressure oil is sent in the cylinder body 29, the promotion oil cylinder piston stretches out drive braking vane 20 and abuts against on the cage guide 8, the friction force that this moment, friction plate produced stops cage or elevator tenesmus steadily to be stopped in its back of slowing down, dispose and open shutoff valve 18 Deng fracture accident, braking vane 20 flows into the high pressure oil in the cylinder body 29 in the open type oil tank 19 by shutoff valve 18 through high pressure hose 17 under the effect of reset assembly, treats to close after braking vane resets by 18, overall process finishes.

In sum, the characteristics of the utility model maximum be by hang the hexagram system, Hydraulic system and executing agency's three parts form, and compared with prior art, adopt Safe and reliable with full hydraulic system, especially with nitrogen moving as accumulator The power source makes this device safer. The frictional resistance that braking vane produces can safety After being slowed down, the cage of tenesmus stops, during deceleration pair Cage guide has no damage. Personnel in cage or the elevator or the peace of article have been guaranteed Entirely. This apparatus structure is simple, safety, reliability height. Overcome existing skill The disadvantage that art exists. Be widely used in cage or the high speed of multiple hoisting velocity Elevator is the indispensable a kind of safe fall-proof dress of present shaft hoisting equipment Put.

Claims

1, a kind of disconnected rope slowing-down brake anti-fall device, comprise that steel rope (1) connects one and hangs divinatory symbol group (2), hanging divinatory symbol assembly (2) is connected with suspension rod and cage, being with spring (7) on the suspension rod (6) is characterized in that sampling link rod (3) one ends that are hinged bump and is connected on the suspension rod (6), the other end and hand valve (4) bump and connect, the actuating unit of cage or elevator both sides (5) is connected actuating unit (5-1) with the upper end that cage guide (8) is slidingly connected manual operating valve (4) by high pressure hose (17), (5-2) with hydraulic pressure indicator gauge (9), the other end connects the lower end of a shutoff valve (10) shutoff valve (10) and divides three the tunnel to be connected with shutoff valve (11) respectively, hydraulic pressure indicator gauge (14), energy storage (15), the lower end of energy storage (15) connects nitrogen shutoff valve (13) and hydraulic pressure indicator gauge (16) respectively, the bottom of actuating unit (5-2) is connected with shutoff valve (18) by high pressure hose (17), the outlet of shutoff valve (18) is inserted in the open type oil tank (19) by high-pressure pipe, the braking vane (20) of actuating unit (5) and brake base (23), braking vane reset assembly (22) connects, be respectively equipped with adjustable column (21) in the both sides of braking vane reset assembly (22), cylinder body (28) is equipped with O RunddichtringO (25) and y-type seal ring (26), bracket component (24) is connected with oil cylinder dowel bolt (27), adjustable column (21) is connected with oil cylinder piston (28), high pressure fuel pipe quick coupling (30) is installed in the upper end of bracket component (24), and communicate with oil cylinder, energy storage (15) is connected on the high pressure fuel pipe quick coupling seat (30) through high pressure hose (17).

2, disconnected rope slowing-down brake anti-fall device according to claim 1, it is characterized in that utilizing hydraulicdriven principle, make an end filling nitrogen other end filling hydraulic oil moving system job of accumulation of energy container, this friction force of being produced of device can be reliable steadily stops after making just be in operation in the elevator system cage that meets accident or deceleration of elevator.