CN101327884A - Anti-drop bucket for shaft sinking - Google Patents

Anti-drop bucket for shaft sinking Download PDF

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Publication number
CN101327884A
CN101327884A CNA2008100230169A CN200810023016A CN101327884A CN 101327884 A CN101327884 A CN 101327884A CN A2008100230169 A CNA2008100230169 A CN A2008100230169A CN 200810023016 A CN200810023016 A CN 200810023016A CN 101327884 A CN101327884 A CN 101327884A
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CN
China
Prior art keywords
rope
drop
balladeur train
bucket
processing module
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Granted
Application number
CNA2008100230169A
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Chinese (zh)
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CN101327884B (en
Inventor
王鹏越
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China Coal No5 Construction Co
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China Coal No5 Construction Co
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Publication date
Application filed by China Coal No5 Construction Co filed Critical China Coal No5 Construction Co
Priority to CN 200810023016 priority Critical patent/CN101327884B/en
Publication of CN101327884A publication Critical patent/CN101327884A/en
Application granted granted Critical
Publication of CN101327884B publication Critical patent/CN101327884B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The present invention discloses a drop proof kettle for sinking a vertical shaft. The drop proof kettle is provided with a kettle drop proof system when a lifting rope is ruptured. The drop proof kettle comprises a lifting rope protecting device, a drop signal pick-up device, a ruptured rope capturing device and an automatic control device, wherein the lifting rope protecting device comprises a protecting lifting lug, a protecting rope and a connecting member; The drop signal pick-up device is a speed sensor, wherein a turntable is arranged on a sliding guide and an external circuit is tangent to a stable rope; The ruptured rope capturing device is a stable rope capturing device and a spring power accumulator; The stable rope capturing device comprises a fixing cover and an elastic conical tube; the spring power accumulator comprises a wane and an power storing spring; The automatic control device comprises a signal processing module (1), a signal processing module (2), a stroke controller and a plurality of brake cables. Once the lifting rope is ruptured, the sliding guide and the kettle are quickly dropped under the gravity action; when the drop rate reaches a predetermined value, the stable rope capturing device fixedly holds the stable rope to achieve the aim of kettle drop prevention, thereby avoiding the occurrence of safety accidents due to kettle drop.

Description

Anti-drop bucket for shaft sinking
Technical field
The present invention relates to a kind of mining equiment, be specifically related to vertical in the sinking shaft construction, promote the anti-drop bucket that material and personnel use.
Background technology
The present well-bucket that in the shaft sinking construction, uses, wherein two steady ropes are fixed on the hanging scaffold at about 20~40m place, driving surface top, well-bucket is by single-rope hoisting, balladeur train can slide up and down along steady rope (guide rope), there is the lifting energy disperser hoisting rope about 6m position above well-bucket, energy disperser can be held balladeur train and upwards slides along steady rope when carrying on well-bucket, can be when well-bucket is transferred owing to gravity and energy disperser descend synchronously, thus be reached for the purpose that well-bucket guiding control well-bucket is swung.When balladeur train was transferred to hanging scaffold (scratch diskette) position, hanging scaffold was held balladeur train, and well-bucket can continue to transfer with the lifting energy disperser that is fixed on the hoisting rope, thereby reached the driving surface that well-bucket can run to the hanging scaffold below.When well-bucket was mentioned the hanging scaffold position from driving surface, it is up that the lifting energy disperser holds up the balladeur train continuation again, and steady rope play the guiding role for the operation of well-bucket.
Because well-bucket is a single-rope hoisting, there is certain security risk (as disconnected rope), and do not have fixing association structure between well-bucket and the steady rope, when well-bucket runs to the hanging scaffold below, break away from the constraint of steady rope.At present, in above-mentioned elevator system,, still there is not the failure-free anti-drop method to the disconnected rope of well-bucket.
Summary of the invention
The purpose of this invention is to provide a kind of anti-drop bucket for shaft sinking, the well-bucket anti-drop system when this anti-drop bucket setting prevents the hoisting rope fracture, it comprises: hoisting rope fender guard, the signal pickup device of falling, disconnected rope grip device for catching and automatic control device; The described signal pickup device of falling is a speed sensor; Described disconnected rope grip device for catching is steady rope catching device and spring energy storage device.Hoisting rope is fracture in a single day, and balladeur train and well-bucket by gravity descend rapidly, and when descending speed reached setting value, the catching device of surely restricting clenched steady rope, reached the anti-fall purpose of well-bucket, and the safety misadventure of avoiding the well-bucket tenesmus to cause takes place.
The present invention is achieved through the following technical solutions: a kind of anti-drop bucket for shaft sinking comprises: be installed in the hanging scaffold 21 at 20-40 rice, mining face under mine top, two steady ropes 24 that connect hanging scaffold 21 and well head, both sides by sliding sleeve 25 with 24 balladeur trains of getting in touch 1 of surely restricting, by hoisting rope 10, lifting energy disperser 14, gib head 22 and winch bonded assembly well-bucket 23, be installed in two hanging scaffold energy dispersers 20 between hanging scaffold 21 and the balladeur train 1; It is characterized in that: this anti-drop bucket also is provided with the well-bucket anti-drop system when preventing hoisting rope 10 fractures; Described well-bucket anti-drop system comprises: hoisting rope fender guard, the signal pickup device of falling, disconnected rope grip device for catching and automatic control device; The described signal pickup device of falling is a speed sensor 3; Described disconnected rope grip device for catching is steady rope catching device 2 and spring energy storage device 5.
Described hoisting rope fender guard comprises: protection hanger 13, protection rope 12 and attaching parts; Described protection hanger 13 lower ends are connected with gib head 22, and the upper end is connected with the lower end of two protection ropes 12 respectively; The upper end of protection rope 12 is connected with two dead bolts 7 that are installed in lifting energy disperser 14 upper ends; Described dead bolt 7 outside buckle heads, the top is a wedge shape, and is connected with the snap close 8 that is installed in balladeur train 1 upper end by tubaeform guide groove 9, and protection rope 12 connects as one well-bucket 23 and balladeur train 1, and this connection can also break away from by moving of snap close 8; Snap close 8 is connected with automatic control device; Described dead bolt 7 is two, and two gib head height is unequal.
Described speed sensor 3 comprises: rotating disk 3-1, slide block 3-3, extension spring 3-2, position-limited lever 3-4, pull bar 3-5, stage clip 3-6; Described rotating disk 3-1 is installed on the balladeur train 1, and cylindrical is with surely rope 24 is tangent; Described slide block 3-3 sliding fit is installed in the groove of rotating disk 3-1, and two slide block 3-3 are connected with turntable shaft by extension spring 3-2; Described position-limited lever 3-4 and balladeur train 1 are hinged; The end of described pull bar 3-5 is connected with position-limited lever 3-4, and the other end is connected with stage clip 3-6, and the middle part is connected with automatic control device.
Described steady rope catching device 2 comprises fixed cover 2-1 and elasticity Taper Pipe 2-2; Described tubular fixed cover 2-1 sky is enclosed within on the steady rope 24, and the upper end is fixed on the balladeur train 1, and elasticity Taper Pipe 2-2 sliding fit is sleeved on the steady rope 24; Described spring energy storage device 5 comprises seesaw 5-1 and energy stroage spring 5-2; Described seesaw 5-1 middle part is hinged by jointed shaft 5-3 and balladeur train 1, and the outer end of the end of seesaw 5-1 and elasticity Taper Pipe 2-2 is pressed close to, and the other end is connected with automatic control device; Energy stroage spring 5-2 is connected with the upper end of seesaw 5-1.
Described automatic control device comprises signal processing module () 4, signal processing module (two) 11, journey controller 6 and many brake cables; Described two journey controllers 6 are installed in the lower end of balladeur train 1 respectively; Described signal processing module () 4 is installed on the balladeur train 1, and an end is connected with two journey controllers 6 respectively by two brake cables (two) 16, and the other end is connected with four snap closes 8 respectively by four brake cables (three) 17; Described signal processing module (two) 11 is installed on the balladeur train 1, and an end is connected with two speed sensors 3 respectively by two brake cables () 15, and the other end is connected with spring energy storage device 5 respectively by two brake cables (five) 19 respectively; Be connected by brake cable (four) 18 between described signal processing module () 4 and the signal processing module (two) 11.
Good effect of the present invention is:
1, by protection hanger, protection rope, dead bolt, snap close well-bucket and balladeur train are interlocked, make well-bucket become as a whole with balladeur train, along steady rope up-and-down movement, good operation stability, safe and reliable.
2, when balladeur train drops to the hanging scaffold position, journey controller makes dead bolt and snap close break away from automatically, and well-bucket and balladeur train are broken away from, and well-bucket continues to run until driving surface, need not manual operation, and is convenient and reliable.
3, hoisting rope is in case fracture, balladeur train and well-bucket by gravity descend rapidly, descending speed reaches setting value when (exceeding the normal operating speed certain proportion), steady rope catching device clenches steady rope automatically, reach anti-fall purpose, the safety misadventure of avoiding the back high speed tenesmus of the disconnected rope of well-bucket to cause takes place.
4, after the hoisting rope fracture, when balladeur train drops to the hanging scaffold position, can not throw off between dead bolt and the snap close, well-bucket and balladeur train still are connected as a single entity, and reach the effect that second pipe protection weighs down bucket.
Description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the A place partial enlarged drawing (speed sensor structural representation) of Fig. 1;
Fig. 4 is the B place partial enlarged drawing (surely restrict catching device and spring energy storage device structural representation) of Fig. 1;
Fig. 5 is the C place partial enlarged drawing (signal processing module () scheme drawing) of Fig. 1;
Fig. 6 is the D place partial enlarged drawing (signal processing module (two) scheme drawing) of Fig. 1;
Among the figure: 1; balladeur train, 2; steady rope catching device, 2-1; fixed cover; 2-2; the elasticity Taper Pipe, 3; speed sensor, 3-1; rotating disk; 3-2; extension spring, 3-3; slide block, 3-4; position-limited lever; 3-5; pull bar, 3-6; stage clip, 4; signal processing module (one); 5; spring energy storage device, 5-1; seesaw, 5-2; energy stroage spring; 5-3; jointed shaft, 6; journey controller, 7; dead bolt; 8; snap close, 9; guide groove, 10; hoisting rope; 11; signal processing module (two), 12; the protection rope, 13; the protection hanger; 14; promote energy disperser, 15; brake cable (one), 16; brake cable (two); 17; brake cable (three), 18; brake cable (four), 19; brake cable (five); 20; the hanging scaffold energy disperser, 21; hanging scaffold, 22; gib head; 23; well-bucket, 24; steady rope, 25; sliding sleeve.
The specific embodiment
As shown in Figure 1, 2: a kind of anti-drop bucket for shaft sinking comprises: be installed in the hanging scaffold 21 at 20-40 rice, mining face under mine top, two steady ropes 24 that connect hanging scaffold 21 and well head, both sides by sliding sleeve 25 with 24 balladeur trains of getting in touch 1 of surely restricting, by hoisting rope 10, lifting energy disperser 14, gib head 22 and winch bonded assembly well-bucket 23, be installed in two hanging scaffold energy dispersers 20 between hanging scaffold 21 and the balladeur train 1; It is characterized in that: this anti-drop bucket also is provided with the well-bucket anti-drop system when preventing hoisting rope 10 fractures; Described well-bucket anti-drop system comprises: hoisting rope fender guard, the signal pickup device of falling, disconnected rope grip device for catching and automatic control device; The described signal pickup device of falling is a speed sensor 3; Described disconnected rope grip device for catching is steady rope catching device 2 and spring energy storage device 5.
Described hoisting rope fender guard comprises: protection hanger 13, protection rope 12 and attaching parts; Described protection hanger 13 lower ends are connected with gib head 22, and the upper end is connected with the lower end of two protection ropes 12 respectively; The upper end of protection rope 12 is connected with two dead bolts 7 that are installed in lifting energy disperser 14 upper ends; Described dead bolt 7 outside buckle heads, the top is a wedge shape, and is connected with the snap close 8 that is installed in balladeur train 1 upper end by tubaeform guide groove 9, and protection rope 12 connects as one well-bucket 23 and balladeur train 1, and this connection can also break away from by moving of snap close 8; Snap close 8 is connected with automatic control device; Described dead bolt 7 is two, and two gib head height is unequal.
Shown in Fig. 1,3: described speed sensor 3 comprises: rotating disk 3-1, slide block 3-3, extension spring 3-2, position-limited lever 3-4, pull bar 3-5, stage clip 3-6; Described rotating disk 3-1 is installed on the balladeur train 1, and cylindrical is with surely rope 24 is tangent; Described slide block 3-3 sliding fit is installed in the groove of rotating disk 3-1, and two slide block 3-3 are connected with turntable shaft by extension spring 3-2; Described position-limited lever 3-4 and balladeur train 1 are hinged; The end of described pull bar 3-5 is connected with position-limited lever 3-4, and the other end is connected with stage clip 3-6, and the middle part is connected with automatic control device.
The principle of work of speed sensor 3 is: because rotating disk 3-1 is tangent with steady rope 24, when balladeur train 1 and well-bucket 23 prolonged steady rope 24 up-and-down movements, surely restricting 24 drove rotating disk 3-1 and rotates.When the rotating speed of rotating disk 3-1 in setting range, slide block 2-3 can not touch position-limited lever 3-4 under the effect of extension spring 3-2, the catching device of surely restricting is not worked, well-bucket 23 normally moves.
Shown in Fig. 1,3: described steady rope catching device 2 comprises fixed cover 2-1 and elasticity Taper Pipe 2-2; Described tubular fixed cover 2-1 sky is enclosed within on the steady rope 24, and the upper end is fixed on the balladeur train 1, and elasticity Taper Pipe 2-2 sliding fit is sleeved on the steady rope 24; Described steady rope catching device 2 comprises fixed cover 2-1 and elasticity Taper Pipe 2-2; Described seesaw 5-1 middle part is hinged by jointed shaft 5-3 and balladeur train 1, and the outer end of the end of seesaw 5-1 and elasticity Taper Pipe 2-2 is pressed close to, and the other end is connected with automatic control device; Energy stroage spring 5-2 is connected with the upper end of seesaw 5-1.
Shown in Fig. 1,5,6: described automatic control device comprises signal processing module () 4, signal processing module (two) 11, journey controller 6 and many brake cables; Described two journey controllers 6 are installed in the lower end of balladeur train (1) respectively; Described signal processing module (one) (4) is installed on the balladeur train (1), and an end is connected with two journey controllers 6 respectively by two brake cables (two) 16, and the other end is connected with four snap closes 8 respectively by four brake cables (three) 17; Described signal processing module (two) 11 is installed on the balladeur train 1, and an end is connected with two speed sensors 3 respectively by two brake cables () 15, and the other end is connected with spring energy storage device 5 respectively by two brake cables (five) 19 respectively; Be connected by brake cable (four) 18 between described signal processing module () 4 and the signal processing module (two) 11.
Shown in Fig. 1,3,4,5,6, when hoisting rope 10 fractures, well-bucket 23, balladeur train 1 are because deadweight high speed whereabouts, steady rope 24 drives rotating disk 3-1 high speed rotating, slide block 2-3 is under action of centrifugal force, and the application force that overcomes extension spring 3-2 is overhanging, and touching position-limited lever 3-4 and pull bar 3-5 break away from, under stage clip 3-6 effect, pull bar 3-5 spurs brake cable () 15 rapidly; The dispensing signal spurs two brake cables (five) 19 simultaneously to handling module (two) 11; Brake cable (five) 19 excites spring energy storage device 5.Dispensing seesaw 5-2, seesaw 5-2 is under the effect of energy stroage spring 5-2, rotate along jointed shaft 5-3, promote elasticity Taper Pipe 2-2 and enter fixed cover 2-1, elasticity Taper Pipe 2-2 will surely restrict and 24 clamp, frictionally is caught steady rope 24 firmly, thereby reaches the anti-fall purpose of well-bucket, and the safety misadventure of avoiding the back high speed tenesmus of the disconnected rope of well-bucket to cause takes place.
Spurring brake cable (four) 18 simultaneously transmits by the signal that signal processing module () 4 cuts off between journey controller 6 and the snap close 8, even also can not throw off between snap close 8 and the dead bolt 7 when sliding into the position of hanging scaffold energy disperser like this under the balladeur train, played the effect of second road insurance.
Shown in Fig. 1,6, when journey controller 6 is positioned at the below of balladeur train, when balladeur train 1 is fallen hanging scaffold 21, the compression spring in balladeur train self gravitation effect down stroke controller 6, pulling brake cable (two) 16, when balladeur train left hanging scaffold, spring automatically reset.
Shown in Fig. 1,5, the effect of signal processing module () 4 is: under the situation of not drawing back brake cable (four) 18, in the pulling brake cable (two) 16 any all can spur brake cable (three) 17 synchronously, and the effect owing to spring can automatically reset when brake cable (two) 16 discharges; Under the situation of drawing back brake cable (four) 18 (can not recover automatically), brake cable (two) 16 can not drag brake cable (three) 17.
Shown in Fig. 1,6, the effect of signal processing module (two) 11 is: any one in the pulling brake cable () 15 all can spur brake cable (four) 18 and brake cable (five) 19 synchronously.
When well-bucket normally moved in the above position of hanging scaffold, dead bolt 7 and snap close 8 were interlocked, thereby made well-bucket become as a whole about steady rope freedom with balladeur train.When balladeur train runs down to hanging scaffold energy disperser 20, rely on the gravity compression left and right sides journey controller 6 of balladeur train self, journey controller 6 is by brake cable (two) 16, signal processing module () 4, when such two journey controllers, 6 any sides work, can both spur snap close 8 simultaneously by signal processing module () 4, brake cable (three) 17, make dead bolt 7 freely to skid off, the contact of well-bucket and balladeur train is freed, well-bucket can free-running operation arrive driving surface.
After well-bucket 23 is mentioned hanging scaffold 21 positions from driving surface, dead bolt 7 slips into after the snap close place automatically by guide groove 9, promote energy disperser 14 and hold up balladeur train, make journey controller 6 leave two side buffers, and by brake cable (two) 16, signal processing module () 4, brake cable (three) 17 releasable catch 8, make snap close 8 playback, well-bucket and balladeur train are linked to be integral body.
Snap close 8 top design are tapered, can import guide groove 9 smoothly, and fasten with dead bolt 7; Be designed to one high and one low two dead bolts, purpose is to prevent to block owing to gap error makes two dead bolts import adjacent snap close pilot hole.

Claims (5)

1, a kind of anti-drop bucket for shaft sinking comprises: be installed in the hanging scaffold (21) at 20-40 rice, mining face under mine top, the two steady ropes (24) that connect hanging scaffold (21) and well head, balladeur train (1) that both sides are got in touch by sliding sleeve (25) and surely restrict (24), by hoisting rope (10), lifting energy disperser (14), gib head (22) and winch bonded assembly well-bucket (23), be installed in two the hanging scaffold energy dispersers (20) between hanging scaffold (21) and the balladeur train (1); It is characterized in that: this anti-drop bucket also is provided with the well-bucket anti-drop system when preventing hoisting rope (10) fracture; Described well-bucket anti-drop system comprises: hoisting rope fender guard, the signal pickup device of falling, disconnected rope grip device for catching and automatic control device; The described signal pickup device of falling is speed sensor (3); Described disconnected rope grip device for catching is steady rope catching device (2) and spring energy storage device (5).
2, anti-drop bucket for shaft sinking according to claim 1 is characterized in that: described hoisting rope fender guard comprises: protection hanger (13), protection rope (12) and attaching parts; Described protection hanger (13) lower end is connected with gib head (22), and the upper end is connected with the lower end of two protection ropes (12) respectively; The upper end of protection rope (12) is connected with two dead bolts (7) that are installed in lifting energy disperser (14) upper end; Described dead bolt (7) outside buckle head, the top is a wedge shape, and is connected with the snap close (8) that is installed in balladeur train (1) upper end by tubaeform guide groove (9), protection rope (12) connects as one well-bucket (23) and balladeur train (1), and this connection can also break away from by the mobile of snap close (8); Snap close (8) is connected with automatic control device; Described dead bolt (7) is two, and two gib head height is unequal.
3, anti-drop bucket for shaft sinking according to claim 1 is characterized in that: described speed sensor (3) comprising: rotating disk (3-1), slide block (3-3), extension spring (3-2), position-limited lever (3-4), pull bar (3-5), stage clip (3-6); Described rotating disk (3-1) is installed on the balladeur train (1), and cylindrical is tangent with steady rope (24); Described slide block (3-3) sliding fit is installed in the groove of rotating disk (3-1), and two slide blocks (3-3) are connected with turntable shaft by extension spring (3-2); Described position-limited lever (3-4) is hinged with balladeur train (1); One end of described pull bar (3-5) is connected with position-limited lever (3-4), and the other end is connected with stage clip (3-6), and the middle part is connected with automatic control device.
4, anti-drop bucket for shaft sinking according to claim 1 is characterized in that: described steady rope catching device (2) comprises fixed cover (2-1) and elasticity Taper Pipe (2-2); Described tubular fixed cover (2-1) sky is enclosed within on the steady rope (24), and the upper end is fixed on the balladeur train (1), and elasticity Taper Pipe (2-2) sliding fit is sleeved on the steady rope (24); Described spring energy storage device (5) comprises seesaw (5-1) and energy stroage spring (5-2); Described seesaw (5-1) middle part is hinged by jointed shaft (5-3) and balladeur train (1), and the outer end of an end of seesaw (5-1) and elasticity Taper Pipe (2-2) is pressed close to, and the other end is connected with automatic control device; Energy stroage spring (5-2) is connected with the upper end of seesaw (5-1).
5, anti-drop bucket for shaft sinking according to claim 1 is characterized in that: described automatic control device comprises signal processing module () (4), signal processing module (two) (11), journey controller (6) and many brake cables; Described two journey controllers (6) are installed in the lower end of balladeur train (1) respectively; Described signal processing module (one) (4) is installed on the balladeur train (1), and an end is connected with two journey controllers (6) respectively by two brake cables (two) (16), and the other end is connected with four snap closes (8) respectively by four brake cables (three) (17); Described signal processing module (two) (11) is installed on the balladeur train (1), and an end is connected with two speed sensors (3) respectively by two brake cables () (15), and the other end is connected with spring energy storage device (5) respectively by two brake cables (five) (19) respectively; Be connected by brake cable (four) (18) between described signal processing module () (4) and the signal processing module (two) (11).
CN 200810023016 2008-07-09 2008-07-09 Anti-drop bucket for shaft sinking Expired - Fee Related CN101327884B (en)

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Application Number Priority Date Filing Date Title
CN 200810023016 CN101327884B (en) 2008-07-09 2008-07-09 Anti-drop bucket for shaft sinking

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Application Number Priority Date Filing Date Title
CN 200810023016 CN101327884B (en) 2008-07-09 2008-07-09 Anti-drop bucket for shaft sinking

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CN101327884A true CN101327884A (en) 2008-12-24
CN101327884B CN101327884B (en) 2010-06-02

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120538A (en) * 2011-01-26 2011-07-13 徐州泰荣煤矿设备有限公司 Falling protector and dynamic operation monitoring system for cage guide rope
CN102674125A (en) * 2011-03-16 2012-09-19 西门子(中国)有限公司 Method and device for controlling elevator, storage medium and elevator system
CN102992140A (en) * 2011-09-18 2013-03-27 山西潞安环保能源开发股份有限公司 Rate-limiting falling protector used for single rope lifting in vertical shaft
CN105752792A (en) * 2014-12-16 2016-07-13 哈尔滨市三和佳美科技发展有限公司 Anti-falling safety tongs
CN108261136A (en) * 2016-12-30 2018-07-10 科械动能科技开发(深圳)有限公司 Unmanned outer wall of the building clearing apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2255971Y (en) * 1995-12-12 1997-06-11 陈道升 Automatic speed limiting and falling down preventer
CN2318201Y (en) * 1997-12-15 1999-05-12 刘金荣 Speed-limiting safety hook for vertical shaft cage
CN2509154Y (en) * 2001-10-16 2002-09-04 沙宗喜 Anti-falling down pot
CN2654579Y (en) * 2003-08-27 2004-11-10 刘润海 Collision proof buffer supporting cage device of coal mine shaft lifting container safety system
CN2813554Y (en) * 2005-07-13 2006-09-06 唐锡庆 Automatic controlling hydraulic speed-limiting antifalling locking device for hanging cage
CN201240734Y (en) * 2008-07-09 2009-05-20 中煤第五建设公司 Anti-drop bucket for shaft sinking

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102120538A (en) * 2011-01-26 2011-07-13 徐州泰荣煤矿设备有限公司 Falling protector and dynamic operation monitoring system for cage guide rope
CN102120538B (en) * 2011-01-26 2013-01-16 徐州泰荣煤矿设备有限公司 Falling protector and dynamic operation monitoring system for cage guide rope
CN102674125A (en) * 2011-03-16 2012-09-19 西门子(中国)有限公司 Method and device for controlling elevator, storage medium and elevator system
CN102674125B (en) * 2011-03-16 2014-10-15 西门子(中国)有限公司 Method and device for controlling elevator, storage medium and elevator system
CN102992140A (en) * 2011-09-18 2013-03-27 山西潞安环保能源开发股份有限公司 Rate-limiting falling protector used for single rope lifting in vertical shaft
CN105752792A (en) * 2014-12-16 2016-07-13 哈尔滨市三和佳美科技发展有限公司 Anti-falling safety tongs
CN108261136A (en) * 2016-12-30 2018-07-10 科械动能科技开发(深圳)有限公司 Unmanned outer wall of the building clearing apparatus

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