CN201685832U

CN201685832U - Normally closed type automatic car stopper for inclined shaft

Info

Publication number: CN201685832U
Application number: CN2010202025119U
Authority: CN
Inventors: 白复锌; 唐显令; 王善功; 于子涛; 王传斌
Original assignee: SHANDONG GOLD MINING (XINHUI) CO Ltd
Current assignee: SHANDONG GOLD MINING (XINHUI) CO Ltd
Priority date: 2010-05-25
Filing date: 2010-05-25
Publication date: 2010-12-29
Anticipated expiration: 2020-05-25

Abstract

The utility model provides a normally closed type automatic car stopper for an inclined shaft, and comprises a car stopping device, wherein a controller is mounted on the car stopping device, a first proximity switch and a second proximity switch are respectively mounted in the inclined shafts on the two sides of the car stopping device, a hook confirming switch is mounted in a switchyard, the hook confirming switch, the first proximity switch and the second proximity switch are respectively connected with the controller through a conducting wire, a winding machine is arranged in a level drift, and a control switch is arranged on the winding machine and is connected with the hook confirming switch through the conducting wire. Only after a hook man suspends the hook and confirms no error, the winding machine can start to draw a tramcar, thereby avoiding derailing accidents in the inclined shaft caused by false operation of the hook man or the early drawing of the tramcar by a winding machine driver, and reducing the incidence of the derailing accidents effectively.

Description

Inclined shaft normally closed auto-elevator

Technical field

The utility model relates to a kind of slope catcher, specifically a kind of inclined shaft normally closed auto-elevator.

Background technology

In the mining operation process, when mine car need be transferred by inclined shaft, to the hawser of winch be hung on the mine car by the knuckle man earlier, by winch mine car is drawn to level course from the marshalling yard then, shift mine car onto slope mouth by manpower again, slowly transfer by winch, and in case hook is not firm, in inclined shaft, come off, mine car will rush at the inclined shaft bottom at a high speed, cause serious accident, for reducing the loss that derailing accident causes, stop buffer has all been installed by bargh in inclined shaft, when breaking off relations, mine car out of control can be stopped by mine car, prevent that mine car from directly rushing at the shaft bottom, stop buffer is subjected to strong collision when pushing-off the wagons, therefore every generation derailing accident together, bargh just need once maintain stop buffer, both influenced manufacturing schedule, improved the maintenance cost of underground equipment again, therefore the incidence that how effectively to reduce derailing accident is a great problem that bargh presses for solution, and existing stop buffer is merely able to play the effect that reduces to lose, and can't reduce the incidence of derailing accident.

The utility model content

The purpose of this utility model provides a kind of inclined shaft normally closed auto-elevator, it only knuckle man hook finish and check errorless after, winch just can begin to draw mine car, can avoid drawing the inclined shaft tub accident that mine car causes in advance, effectively reduce the incidence of derailing accident because of knuckle man's maloperation or winch driver.

The utility model for achieving the above object, be achieved through the following technical solutions: comprise alley stopping device, installation and control device on the alley stopping device, install respectively in the inclined shaft of alley stopping device both sides first near switch and second near switch, hook is installed in the marshalling yard is confirmed switch, hook confirms that switch, first is connected with controller by lead respectively near switch with second near switch, be provided with winch in the level course, master cock is set on the winch, and master cock confirms that by lead and hook switch is connected.Described alley stopping device has first column and second column, offer first guide groove and second guide groove on first column and second column respectively, first column is connected by crossbeam with the second column top, motor and bearing seat are installed on the crossbeam, first sprocket wheel is installed on the output shaft of motor, rotating shaft is installed in the bearing seat, second sprocket wheel is installed in the rotating shaft, second sprocket wheel is connected with first sprocket wheel by first chain, the rotating shaft two ends are installed the 3rd sprocket wheel and the 4th sprocket wheel respectively, the 3rd sprocket wheel is connected with the 5th sprocket wheel on being installed in first column by second chain, the 4th sprocket wheel is connected with the 6th sprocket wheel on being installed in second column by the 3rd chain, between first guide groove and second guide groove car stopping rod is installed, car stopping rod is connected with the 3rd chain with second chain respectively.Described first all is that photo-electric is near switch near switch and second near switch.All install limiting stopper and lower position block in first guide groove and second guide groove.Track adjusting wheel is all installed at the car stopping rod two ends.The plate of keeping off a car is installed on the car stopping rod, and position-limited lever is installed in the plate lower end of keeping off a car.Pulley is all installed at the position-limited lever two ends.

Advantage of the present utility model is: can avoid drawing the inclined shaft tub accident that mine car causes in advance because of knuckle man's maloperation or winch driver, effectively reduce the incidence of derailing accident; Alley stopping device opens and closes smooth and easy, anti-collision; Low production cost; Can be manually opened when alley stopping device is malfunctioning; Noise is lower etc. during work.

Description of drawings

Fig. 1 is a structural representation of the present utility model; Fig. 2 is the plan structure scheme drawing of Fig. 1; Fig. 3 be among Fig. 1 A to structural representation; Fig. 4 is the B-B sectional structure scheme drawing of Fig. 3.

The specific embodiment

Inclined shaft normally closed auto-elevator described in the utility model comprises alley stopping device 1, installation and control device 2 on the alley stopping device 1, install respectively in the inclined shaft 32 of alley stopping device 2 both sides first near switch 3 and second near switch 4, hook is installed in the marshalling yard 33 is confirmed switch 5, hook confirms that switch 5, first is connected with controller 2 by lead respectively near switch 4 with second near switch 3, be provided with winch 30 in the level course 34, master cock 31 is set on the winch 30, and master cock 31 confirms that by lead and hook switch 5 is connected.When knuckle man hook finish and check errorless after, confirm that by hook switch 5 sends actuation signal to master cock 31 and controller 2 simultaneously, master cock 31 receives the propulsion source of connecting winch after the actuation signal, winch just can be started working, prevent that knuckle man's maloperation or winch driver from drawing mine car in advance and causing the inclined shaft tub accident, controller 2 is used to control the unlatching of alley stopping device 1 or cut out, alley stopping device 1 is in normally off, when mine car is up, first senses the approaching signal of mine car earlier near switch 3, and approach signal sent to controller 2, controller 2 sends start signal to alley stopping device 1, mine car is passed through smoothly, mine car is through second during near switch 4, second sends to controller 2 near switch 4 with the approach signal of mine car, and controller 2 sends closing signal to alley stopping device 1, makes alley stopping device 1 recover normally off; When mine car is descending, second senses the approaching signal of mine car earlier near switch 4, and approach signal sent to controller 2, whether controller 2 has at first received the actuation signal that hook affirmation switch 5 is sent before the checking, have only after hook confirms that actuation signal that switch 5 is sent and the approaching equal controlled device 2 of signal of second mine car of sending near switch 4 are received, controller 2 just can send start signal to alley stopping device 1, mine car is passed through smoothly, and controller 2 is not when receiving the actuation signal that hook affirmation switch 5 is sent, if receive the second approaching signal of sending near switch 4 of mine car, derailing accident can be judged to be automatically, alley stopping device 1 can be do not opened.

The following structure of alley stopping device 1 preferred employing described in the utility model: first column 6 and second column 7 are arranged, offer first guide groove 15 and second guide groove 16 on first column 6 and second column 7 respectively, first column 6 is connected by crossbeam 8 with second column, 7 tops, motor 9 and bearing seat 10 are installed on the crossbeam 8, first sprocket wheel 11 is installed on the output shaft of motor 9, rotating shaft 14 is installed in the bearing seat 10, second sprocket wheel 12 is installed in the rotating shaft 14, second sprocket wheel 12 is connected with first sprocket wheel 11 by first chain 13, rotating shaft 14 two ends are installed the 3rd sprocket wheel 17 and the 4th sprocket wheel 18 respectively, the 3rd sprocket wheel 17 is connected with the 5th sprocket wheel 20 on being installed in first column 6 by second chain 19, the 4th sprocket wheel 18 is connected with the 6th sprocket wheel 22 on being installed in second column 7 by the 3rd chain 21, car stopping rod 23 is installed between first guide groove 15 and second guide groove 16, and car stopping rod 23 is connected with the 3rd chain 21 with second chain 19 respectively.This structure has advantages such as keying is smooth and easy, anti-collision, and certain alley stopping device 1 described in the utility model can also adopt other multiple structures such as motor-driven turnover plate type vehilce-blocking door.

Described in the utility model first near switch 3 and second near the preferred photo-electrics that adopt of switch 4 near switch.Photo-electric has advantages such as cost is lower, distance of reaction long, explosion-proof is good near switch, certainly described in the utility model first can also adopt ultrasonic type multiple near switch near switch 4 near switch or magnetic approach switch etc. near switch 3 and second, but these kinds near switch at aspects such as cost or distance of reaction all with preferred version gap to some extent.

First column 6 described in the utility model and second column 7 can be done by user's steel, and offer first guide groove 15 and second guide groove 16 of appropriate length in the square steel side, but in order to reduce production costs, can use I-beam section to make first column 6 and second column 7, the groove that utilizes the I-beam section side is as first guide groove 15 and second guide groove 16, and in first guide groove 15 and second guide groove 16, install limiting stopper 28 and lower position block 29, limit the length of first guide groove 15 and second guide groove 16, saved the link of fluting, simplified production stage, can effectively reduce production costs.

Resistance when the utility model is opened and closed in order to reduce alley stopping device 1 can all be installed track adjusting wheel 24 at described car stopping rod 23 two ends.Track adjusting wheel 24 is rolled with first guide groove 15 and second guide groove 16 and is cooperated, and the resistance in the time of can effectively reducing car stopping rod 23 risings or decline prevents that unexpected situation about blocking from appearring in alley stopping device 1.

The utility model can be installed the plate 25 of keeping off a car in order to make the alley stopping device 1 can be manually opened by the staff under the malfunctioning situation of accident on car stopping rod 23, position-limited lever 26 is installed in plate 25 lower ends of keeping off a car.Position-limited lever 26 is positioned at the side of alley stopping device 1 near well head, and the length of position-limited lever 26 is greater than the spacing between first column 6 and second column 7, therefore the mine car that slides to the shaft bottom from well head can stop by limited bar 23, can not continue to glide, and when alley stopping device 1 when accident is malfunctioning, the staff can manually lift position-limited lever 26, makes position-limited lever 26 and keeps off a car plate 25 along car stopping rod 23 half-twists, mine car is passed through from plate 25 belows of keeping off a car, reach the purpose of manually opened alley stopping device 1.

The utility model can all be installed pulley 27 at position-limited lever 26 two ends in order to reduce the friction force of the position-limited lever 26 and first column 6 and second column, 7 outside faces.Pulley 27 rolls with the outside face of first column 6 and second column 7 and cooperates, and can effectively reduce the friction force of the position-limited lever 26 and first column 6 and second column, 7 outside faces, the noise when reduction alley stopping device 1 is opened or closed.

Claims

1. inclined shaft normally closed auto-elevator, it is characterized in that: comprise alley stopping device (1), alley stopping device (1) is gone up installation and control device (2), install respectively in the inclined shaft (32) of alley stopping device (2) both sides first near switch (3) and second near switch (4), hook is installed in the marshalling yard (33) is confirmed switch (5), hook is confirmed switch (5), first is connected with controller (2) by lead respectively near switch (4) with second near switch (3), be provided with winch (30) in the level course (34), master cock (31) is set on the winch (30), and master cock (31) confirms that by lead and hook switch (5) is connected.

2. inclined shaft normally closed auto-elevator according to claim 1, it is characterized in that: described alley stopping device (1) has first column (6) and second column (7), offer first guide groove (15) and second guide groove (16) on first column (6) and second column (7) respectively, first column (6) is connected by crossbeam (8) with second column (7) top, crossbeam (8) is gone up motor (9) and bearing seat (10) is installed, first sprocket wheel (11) is installed on the output shaft of motor (9), rotating shaft (14) is installed in the bearing seat (10), rotating shaft (14) is gone up second sprocket wheel (12) is installed, second sprocket wheel (12) is connected with first sprocket wheel (11) by first chain (13), rotating shaft (14) two ends are installed the 3rd sprocket wheel (17) and the 4th sprocket wheel (18) respectively, the 3rd sprocket wheel (17) is connected with the 5th sprocket wheel (20) on being installed in first column (6) by second chain (19), the 4th sprocket wheel (18) is connected with the 6th sprocket wheel (22) on being installed in second column (7) by the 3rd chain (21), between first guide groove (15) and second guide groove (16) car stopping rod (23) is installed, car stopping rod (23) is connected with the 3rd chain (21) with second chain (19) respectively.

3. inclined shaft normally closed auto-elevator according to claim 1 is characterized in that: described first all is that photo-electric is near switch near switch (3) and second near switch (4).

4. inclined shaft normally closed auto-elevator according to claim 2 is characterized in that: all install limiting stopper (28) and lower position block (29) in first guide groove (15) and second guide groove (16).

5. inclined shaft normally closed auto-elevator according to claim 2 is characterized in that: track adjusting wheel (24) is all installed at car stopping rod (23) two ends.

6. according to claim 2 or 5 described inclined shaft normally closed auto-elevators, it is characterized in that: car stopping rod (23) is gone up the plate (25) of keeping off a car is installed, and position-limited lever (26) is installed in the plate of keeping off a car (25) lower end.

7. inclined shaft normally closed auto-elevator according to claim 6 is characterized in that: pulley (27) is all installed at position-limited lever (26) two ends.