CN2654579Y

CN2654579Y - Collision proof buffer supporting cage device of coal mine shaft lifting container safety system

Info

Publication number: CN2654579Y
Application number: CN 03208443
Authority: CN
Inventors: 刘润海
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-08-27
Filing date: 2003-08-27
Publication date: 2004-11-10
Anticipated expiration: 2013-08-27

Abstract

The utility model relates to a rubbing buffer supported device in mine shaft hoisting container security system, which belongs to the mine safe hoist system. In order to meet the requirements of Coal Mine Safety Regulation, the utility model adopts the technical proposal that an over-winding protective device is arranged in a cage guide (7) above the well and an over-relaxation protective device is arranged on the over-relaxation distance of the lane surface under the well. A buffering energy absorption (3) and a buffering energy absorption under the well (11) have a casing respectively (31). A fixed pressing rope wheel (32) and a tensed pressing rope wheel (33) which is next to the fixed pressing rope wheel are arranged in the casing, and a buffer steel rope (2) is arranged between the pressing rope wheels. The over-winding and the over-relaxation protective devices are the buffering energy absorptions which are arranged above the well ground (9) and in the cage guide (7) which corresponds to the over-relaxation distance of the lane surface (10) under the well. A buffering beam (1) is connected with the steel rope of the buffering energy absorption (3), and a supporting bracket (5) is connected with the steel rope of the buffering energy absorption under the well (11). Besides, a supporting cage backstop (4) is arranged under the anti-collision beam (8) in a distance. The utility model is mainly used to prevent the accidents when the mine shaft hoisting container has over-winding and over-relaxation.

Description

The rubbing buffer supported cage of coal mine shaft lining lifting container safety system

(1) technical field: mine safety is protected class, relates generally to the safe lifting field of coal mine shaft lining lifting container.

(2) background technology: mine hoist is mainly used to promote material and personnel; along with progress of science and technology; the application of new high-efficiency mining machinery and new process constantly perfect; output is greatly improved; the operating speed of gig is more and more faster; though multiple electric prospection control device is arranged in high-speed cruising; once driver's maloperation; the braking mechanical breakdown; reasons such as electrical equipment control is malfunctioning take place; can cause lifting container more than well head; full speed pulleying or shaft bottom pier jar; steel rope disconnects serious accidents such as weighing down jar and takes place, and causes casualties device damage.Country pays much attention to the safety in production in colliery, for avoiding the generation of similar accident, in calendar year 2001 latest edition " safety regulations in coal mine ", emphasize: in overwind height or distance of overfall, must install the shock absorber of dependable performance, shock absorber should be able to the back continues the rising container or bob-weight stops reposefully with pulleying (cross and put), and no longer oppositely glide (or bounce-back).Pressing for of the strict demand of country in safety regulations in coal mine and colliery, many R﹠D institutions, universities and colleges, mining machinery enterprise all require to design at these rules, obtained certain progress, but these product ubiquity costs are higher, safeguard relatively difficulty.Given this, develop the real necessity that belongs to of a kind of cost safety guard lower, that use reliable and easy maintenance.

(3) summary of the invention:

Technical problem to be solved in the utility model is to make the coal mine shaft lining lifting container load onto failure-free to meet the shock absorber that " safety regulations in coal mine " requires, and makes this device realize that cost is low, installation and maintenance are easy, customer satisfaction.

The technical scheme that solves the problems of the technologies described above: it comprises the collision prevention girders of above cage guide upper end, well head ground, it is characterized in that rubbing buffer supported cage is made up of an overdischarging protector in ground overwinding safety gears of well head and the underworkings face distance of overfall and a holder jar holdback.The ground overwinding safety gears of well head are by buffer beam, buffer rope, the buffering energy-absorbing device, holder jar holdback is formed, the buffering energy-absorbing device is by trough-shaped housing, uniform in this housing at least three fixedly press rope wheels are housed, fixedly between the press rope wheel, also be equipped with the tension press rope wheel of fixing press rope wheel tunable center distance and form, between the external cylindrical surface of the fixedly press rope wheel of buffering energy-absorbing device and tension press rope wheel, be coated with buffer rope, dress has the paired buffering energy-absorbing device of buffer rope, be contained in respectively on the above corresponding cage guide in well head ground, should be apart from the ground-surface height of well head a little more than the height of lifting container, the two ends of buffer beam connect the buffer rope that stretch out corresponding buffering energy-absorbing device upper end respectively, a holder jar holdback is contained on the following corresponding cage guide of collision prevention girders in couples, is slightly larger than the height of lifting container apart from the distance of collision prevention girders; The overdischarging protector of underworkings face is made up of buffer rope, buffering energy-absorbing device and carrier equally; the paired buffering energy-absorbing device that dress has buffer rope is contained in respectively on the interior corresponding cage guide of underworkings face distance of overfall, and the two ends of carrier connects the buffer rope that stretch out corresponding buffering energy-absorbing device lower end respectively.

The beneficial effects of the utility model: 1; because overwinding safety gears of the present utility model are housed on the cage guide more than the well head ground; be shaped on the twice arc groove that adapts with the buffer rope radius on the external cylindrical surface of fixedly press rope wheel in the buffering energy-absorbing device of this device and tension press rope wheel; just the contact surface of buffer rope and wheel increases; adjust the tension press rope wheel and fixedly between the press rope wheel width between centers diminish; make buffer rope become the bending of S shape; produce deformation; increase friction drag; when lifting container rises the generation pulleying; lifting container is the collision buffering beam at full speed; buffer beam links to each other with the buffering energy-absorbing device by buffer rope; make lifting container be subjected to resistance; the buffering energy-absorbing device absorbs the kinetic energy of lifting container, and pulleying is slowed down, and directly only stops.Because the tension press rope wheel can be adjusted the resistance between buffer rope and the buffering energy-absorbing device, when Installation and Debugging, adjustable when being volume container and having arrived collision prevention girders speed be zero substantially, guaranteed that the pulleying hoisting cable can not disconnect, container can not impact head sheave yet, just in case the disconnected rope of generation out of control also has a holder jar holdback to hold lifting container, guarantee lifting container pulleying safety, satisfied the requirement of " safety regulations in coal mine "; 2, because rubber plate is equipped with, the impact of lifting container and distortion in the time of can reducing pulleying in the buffer beam top and bottom; 3, owing in underworkings face distance of overfall, overdischarging protector is installed; when lifting container took place to put, during the pier jar; lifting container at first hits on carrier; because carrier links to each other with the buffering energy-absorbing device by buffer rope; the buffering energy-absorbing device absorbed puts container kinetic energy, puts speed until stopping thereby having slowed down to cross.The carrier upper and lower surface is equipped with rubber plate, impact and distortion in the time of can reducing the lifting container collision, and putting safety device has satisfied " safety regulations in coal mine " requirement equally excessively; 4, because major part buffering energy-absorbing device of the present utility model is simple in structure, be convenient to make and easy for installation in mine, low price, thus satisfied mine user's demand.

(4) description of drawings:

Fig. 1 is a structural representation of the present utility model;

Fig. 2 is the buffering energy-absorbing device structural representation in the utility model structure;

Fig. 3 is the lateral plan of Fig. 2.

(5) specific embodiment:

With reference to Fig. 2, Fig. 3, prepare buffering energy-absorbing device 3 earlier, this energy absorber is by trough-shaped housing 31, fixedly press rope wheel 32, tension press rope wheel 33 is formed: on the two side of the trough-shaped housing 31 of steel, system is equipped with five fixedly press rope wheels 32 along its length, fixedly between the press rope wheel, be equipped with and the fixing bolt type tension press rope wheel 33 of press rope wheel 32 tunable center distances by the trough-shaped housing base plate, fixedly also be shaped on the twice arc groove that adapts with its buffer rope 2 radiuses that are equipped with on the outside cylinder of press rope wheel 32 and tension press rope wheel 33.Fixedly between press rope wheel 32 and the tension press rope wheel 33 in the arc groove in the bent road of formed S shape, the face of cylinder, tension press rope wheel 33 makes steel rope produce deformation along trough-shaped housing length direction clamping for two buffer ropes 2.

With reference to Fig. 1; this device comprises the collision prevention girders 8 of 9 above cage guides, 7 upper ends, well head ground, it is characterized in that this rubbing buffer supported cage is made up of the overdischarging protector in overwinding safety gears, holder jar holdback 4 and underworkings face 10 distance of overfall of dress in the above cage guides 7 in well head ground 9.Overwinding safety gears, the holder jar holdback 4 of dress are in the 9 above cage guides 7 of well head ground: below the collision prevention girders 8 of 9 above cage guides, 7 upper ends, well head ground; holder jar holdback 4 is housed on the wall of cage guide 7; holder jar holdback 4 is slightly larger than the height of lifting container 6 apart from the distance of collision prevention girders 8; holder jar holdback 4 shape such as square under state of nature; it is parallel that parallel ground-surface stand-off can upwards rotate 90 ° of another vertical components that are contained on the cage guide 7 with vertical ground, but the stand-off check rotates.In cage guide 7, hold in the palm below jar holdback 4, on the cage guide 7 of well head ground 9 a little more than lifting container 6, paired cooresponding dress has the buffering energy-absorbing device 3 of buffer rope 2, cross-sectional plane is that steel buffer beam 1 upper and lower surface of rectangle is equipped with rubber plate, and its two ends are installed in respectively on the buffer rope 2 that stretches out corresponding buffering energy-absorbing device 3 upper ends.The overdischarging protector of lifting container 6 is made up of down-hole buffering energy-absorbing device 11, buffer rope 2 and carrier 5 in underworkings face 10 distance of overfall.The structure of down-hole buffering energy-absorbing device 11 and the buffer rope 2 that is equipped with are identical with buffering energy-absorbing device 3, dress has cooresponding in pairs being contained on the interior corresponding cage guide 7 of underworkings face 10 distance of overfall of down-hole buffering energy-absorbing device 11 of buffer rope 2, the cross-sectional plane of steel is that carrier 5 upper and lower surfaces of rectangle are equipped with rubber plate, and its two ends connect the buffer rope 2 that stretch out buffering energy-absorbing device 11 lower ends, corresponding down-hole respectively.

This device is after installing on the vertical cage guide, and the lifting container 6 in the cage guide because control circuit is malfunctioning and the operating personal error, produces pulleying, crosses when putting when working up and down, can control lifting container 6 and produce buffering until braking; Long as stopping distance, the tension press rope wheel 33 on the adjustable buffering energy-absorbing device increase buffer rope 2 and the fixing friction force between press rope wheel 32 and the tension press rope wheel 33, thereby the formation resistance reaches desirable stopping distance purpose.As especially big overwind trouble, the steel rope of lifting container is broken, and holder jar holdback can be held the lifting container that falls, and the continuation of release accident enlarges.

Claims

1: the rubbing buffer supported cage of coal mine shaft lining lifting container safety system; it comprises the collision prevention girders of above cage guide upper end, well head ground; it is characterized in that rubbing buffer supported cage is made up of an overdischarging protector in ground overwinding safety gears of well head and the underworkings face distance of overfall and a holder jar holdback; the ground overwinding safety gears of well head are by buffer beam (1); buffer rope (2); buffering is inhaled level device (3); a holder jar holdback (4) is formed; buffering energy-absorbing device (3) or down-hole buffering energy-absorbing device (11) are by trough-shaped housing (31); uniform in this enclosure slot at least three fixedly press rope wheels (32) are housed; fixedly between the press rope wheel; also be equipped with the tension press rope wheel (33) of fixing press rope wheel tunable center distance and form; between the external cylindrical surface of the fixedly press rope wheel (32) of buffering energy-absorbing device (3) and tension press rope wheel (33), be coated with buffer rope (2); the paired buffering energy-absorbing device (3) that dress has buffer rope (2) is contained in respectively on the above corresponding cage guide (7) in well head ground; height apart from well head ground (9) should be a little more than the height of lifting container (6); the two ends of buffer beam (1) connect the buffer rope (2) that stretch out corresponding buffering energy-absorbing device upper end respectively; a holder jar holdback (4) is contained on the following corresponding cage guide (7) of collision prevention girders (8) in couples; distance apart from collision prevention girders is slightly larger than the lifting container height; the overdischarging protector of underworkings face is by buffer rope (2); down-hole buffering energy-absorbing device (11) and carrier (5) are formed; the paired down-hole buffering energy-absorbing device (11) that dress has buffer rope (2) is contained in respectively on the interior corresponding cage guide (7) of underworkings face (10) distance of overfall, and the two ends of carrier (5) connects the buffer rope (2) that stretch out corresponding down-hole buffering energy-absorbing device (11) lower end respectively.

2, the rubbing buffer supported cage of coal mine shaft lining lifting container safety system according to claim 1, it is characterized in that in buffering energy-absorbing device (3) enclosure slot uniform be equipped with at least three fixedly press rope wheel (32) for uniform five fixedly press rope wheels (32) are housed.

3, the rubbing buffer supported cage of coal mine shaft lining lifting container safety system according to claim 1 and 2 is characterized in that being shaped on the twice arc groove that the radius with buffer rope (2) adapts on the external cylindrical surface of described fixedly press rope wheel (32) and tension press rope wheel (33).

4, the rubbing buffer supported cage of coal mine shaft lining lifting container safety system according to claim 1 is characterized in that on the upper and lower surface of described buffer beam (1) and carrier (5) rubber plate being housed.