CN203199834U - Safety device for electrically controlled elevator - Google Patents
Safety device for electrically controlled elevator Download PDFInfo
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- CN203199834U CN203199834U CN 201320185988 CN201320185988U CN203199834U CN 203199834 U CN203199834 U CN 203199834U CN 201320185988 CN201320185988 CN 201320185988 CN 201320185988 U CN201320185988 U CN 201320185988U CN 203199834 U CN203199834 U CN 203199834U
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- safety
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- safety device
- elevator
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Abstract
The utility model relates to a safety device for an electrically controlled elevator. The electrically controlled elevator is provided with a working rope and a safety rope; the safety device is arranged on the elevator and fixedly connected with the elevator; the safety device is respectively in slidable connection with the working rope and the safety rope; and the safety device comprises a guiding control wheel connected with the working rope, a self-locking device connected with the safety rope and a control guide plate for connecting the guiding control wheel and the self-locking device. When a transmission rope of the electrically controlled elevator is suddenly broken, the safety device can be quickly self-locked, so that the safety of the elevator is improved, and casualties are prevented.
Description
Technical field
The utility model relates to electrical-controlled lifting machine field, especially a kind of safety device that is applied in the electrical-controlled lifting machine in aerogenerator maintenance, the maintenance.
Background technology
Wind energy is as a kind of regenerative resource of cleaning, more and more be subject to the attention of countries in the world, and the amount of accumulateing and huge, wind-power electricity generation is as one of current novel energy industry, because its environmental protection and energy saving development scale is advanced by leaps and bounds, it is ten hundreds of that present China nationwide has had wind power generating set, and still have the fast-developing impetus.And in such cases, how to ensure the wind-powered electricity generation unit normal operation of enormous amount, then become very important problem.The mode of operation of wind-power electricity generation group and installation general layout have determined that maintenance, maintenance workload in its life-cycle are very large.In order to ensure the normal operation of wind-powered electricity generation unit, need to drop into a large amount of process special trainings, young stalwartness and veteran technical personnel and carry out normal care and maintenance.
In the process of care and maintenance, whenever carrying out a conventional maintenance often needs up and down several times, if the number of times that the wind-powered electricity generation unit maintenance then comes and goes can be more, because the height of tower barrel of wind generating set is all more than 50 meters, and in service work, service personnel is not only wanted oneself to climb up high tower, also need instrument and the parts back high tower of maintenance usefulness, its labour intensity big absolutely not ordinary person can bear, to the staff in muscle power with caused mentally great pressure directly to cause the decline of the rising of risk and work efficiency, repair quality.
Moreover, the technology content of wind power generating set is quite high, need through special training, the technical skill personnel that service experience is abundant just can carry out maintenance, if safeguarded once in per ten days by a unit, each technical personnel every workday can be safeguarded two units, in order to safeguard this typhoon group of motors normal operations up to ten thousand, so just need the technical personnel more than ten thousand, but wind-powered electricity generation enterprise is difficult to turn out at short notice so many young and healthy, the talent that technical merit is high comes, from the generating one-tenth originally, more its costs of employment will be higher, therefore alleviate maintainer's labour intensity, make each technical personnel when the wind-powered electricity generation unit is safeguarded, automatically rise tower, save their muscle power, could increase work efficiency by actv., reduce the cost of wind-powered electricity generation.
Except alleviating manpower consumption's needs, on the other hand, when the wind-powered electricity generation unit need to be changed the larger parts of weight, the dependence personnel are unpractical with parts back cat head, at this moment just need to upwards carry with the suspension hook that is located at blower fan body afterbody, and this moment top personnel to open the window of body afterbody, standing in window carries out operation, the danger coefficient of this kind work is very large, and the personal safety accident very easily occurs.And because blower fan is installed in rapidly area of wind speed, instantaneous wind speed reaches 25m/s sometimes, be easy to lifting parts are blown out and horizon into about miter angle, can't upwards transport smoothly testing tool and parts.In sum, develop a kind of ectocine that is not subjected to, the manned loading automatic lifting of Elevator elevator has just become a very urgent problem.
In order to solve this problem, many companies and scientific research personnel have also carried out many explorations, develop some products, and what wherein Occupation coefficient was the highest is " climb-aiding device ".As its name suggests, " climb-aiding device " is exactly a kind of machine that helps the people to climb, and in actual use, " climb-aiding device " maximum shortcoming is not make the people be separated from climbing, and has following shortcoming: the one, and man-machine the needs cooperates, and cooperates bad personnel to be in passive; The 2nd, the slow efficient of speed is low, and the climbing speed of " climb-aiding device " is constant, and the control operation system is relatively single, can't promote to greatest extent work efficiency; The 3rd, safety factor is low, and in climbing, once man-machinely be provided with good cooperation, personnel just have dangerous possibility; The 4th, when mental fatigue appears in the operation personnel, in the climbing process, easily bump, cause the personal safety accident, cause safety factor to reduce; The 5th, when blower fan need to be changed parts, need personnel's climbing of bearing a heavy burden; The 6th, cost is high, and with respect to simple function and the structure of " climb-aiding device ", the input-output ratio of the cost that it is relatively high is relatively low.
The patent of application number 201220246106.6 discloses and has used elevator in a kind of wind power generating set air duct, is comprised of the fixed sturcture of guide rail bracket, driving system and guide rail bracket.Guide rail bracket is to be bolted by a plurality of cuboid standard knots to form.Driving system is comprised of driver plate, retarder, electrical motor and car.The fixed sturcture of guide rail bracket is comprised of attached wall system and air duct wall.Guide rail bracket is fixed by attached wall along the air duct wall slant setting of air duct.One end connection guide rail frame of attached wall, the other end connects the air duct wall.Rotate by motor driving reducer, drive car by driver plate and move up and down along guide rail.Solve like this maintenance personnel, initial installation personnel utilization vertically goes on foot the labour intensity that ladder climbs up and down, can also replace maintenance personnel and air duct installation personnel carrying implement and a small amount of material, but does not relate to the safety convenience instrument of elevator.Because the air duct height of generator set is higher, just in case the consequence that goes wrong is hardly imaginable, therefore the safety control of lifting structure is very large problem.
Given this utility model is proposed.
The utility model content
The purpose of this utility model is for overcoming the deficiencies in the prior art, a kind of safety device of electrical-controlled lifting machine is provided, and when unexpected breakage problem appearred in the fly rope of electrical-controlled lifting machine, safety device can fast self-locking, improve the safety of elevator, avoid causing casualties.
In order to realize this purpose, the utility model adopts following technical scheme:
A kind of safety device of electrical-controlled lifting machine, on this electrical-controlled lifting machine work rope and safety line are set, described safety device is arranged on the elevator captives joint with elevator, this safety device is connected with safety line with the work rope respectively and is connected, and described safety device comprises the guiding control wheel that is connected with the work rope, the self-locking device that is connected with safety line and the control guide plate that is connected guiding control wheel and self-locking device.
Be provided with connecting panel on the described guiding control wheel, this connecting panel connects guiding control wheel and control guide plate, also is provided with rope control cover on this connecting panel, and rope control cover cooperates with the guiding control wheel and work rope sliding block joint.
Described self-locking device comprises a rope substrate, is arranged on the first locker and the second locker that connect safety line on the rope substrate, control ACTIVE CONTROL sheet and driven control strip that the first locker and the second locker are opened and locked, the ACTIVE CONTROL sheet be connected control strip and connect by the duplex torsion spring, ACTIVE CONTROL sheet and be connected guide plate and pass through square actuating spindle connection.
Be provided with at least one on the described self-locking device and connect pedestal, this connects pedestal and connects self-locking device and electrical-controlled lifting machine.
Be provided with the orienting sleeve of control angle on the described control guide plate, be provided with the slotted hole with radian on the described self-locking device, orienting sleeve cooperates control angle with slotted hole.
Described work rope and safety line are steel rope.
After adopting technical scheme described in the utility model, bring following beneficial effect: when unexpected breakage problem appearred in the fly rope of electrical-controlled lifting machine, safety device can fast self-locking, improved the safety of elevator, avoided causing casualties.
Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.
Description of drawings
Fig. 1: the erection plan of the utility model safety device on elevator
Fig. 2: the structure graph the during normal operation of the utility model safety device
Fig. 3: the structure graph of the utility model safety device when rope disconnects
Wherein: 200, safety device, 201 guiding control wheels, 202 ropes control cover, 203, control guide plate, 204, orienting sleeve, 205, the ACTIVE CONTROL sheet, 206 driven control strips, the 207, first locker, the 208, second locker, 209, duplex torsion spring, 210, the guiding hub, 211, the rope substrate, 212 connect pedestals, and 213, connecting panel, 214, square actuating spindle, 102, work rope, 104, safety line.
The specific embodiment
As Figure 1-3, the safety device of a kind of electrical-controlled lifting machine described in the utility model, work rope 102 and safety line 104 are set on this elevator, described elevator comprises at least one safety device 200, described safety device 200 is arranged on the elevator captives joint with elevator, and described safety device 200 is connected with safety line with work rope 102 respectively and slidably is connected.Described work rope 102 and safety line 104 preferred steel ropes.
Be provided with at least two safety devices 200 on the preferred described elevator, a plurality of safety device 200 symmetrical and/or step by step successively connections, the described safety line 104 of a safety device 200 that is connected to successively step by step is as the work rope 102 of next safety device 200.
Be provided with two safety device 200(on the preferred described elevator more not shown in FIG.), the both sides of the work rope 102 on the electrical-controlled lifting machine arrange respectively safety line 104, two safety fill 200 and put the both sides that are arranged on work rope 102, are symmetrical arranged or along the setting that keeps at a certain distance away of elevator sense of motion.
Perhaps be provided with two safety device 200(on the preferred described elevator more not shown in FIG.), one side of the work rope 102 on the electrical-controlled lifting machine arranges two safety lines 104,104 of the safety lines of work rope 102 and close work rope 102 arrange the first safety device, between two safety lines 104 the second safety device is set, the safety line 104 of the first safety device is as the work rope 102 of the second safety device.
Above-mentioned safety device 200 comprises the guiding control wheel 201 that is connected with work rope 102, the self-locking device that is connected with safety line 104 and is connected the control guide plate 203 of guiding control wheel 201 with self-locking device.
Be provided with connecting panel 213 on the described guiding control wheel 201, this connecting panel 213 connects guiding control wheel 201 and control guide plate 203, also be provided with rope control cover 202 on this connecting panel 213, rope control cover 202 cooperates with guiding control wheel 201 and work rope 102 sliding block joints.
Described self-locking device comprises a rope substrate 211, is arranged on the first locker 207 and the second locker 208 that connect safety line 104 on the rope substrate 211, control ACTIVE CONTROL sheet 205 and driven control strip 206 that the first locker 207 and the second locker 208 are opened and locked, ACTIVE CONTROL sheet 205 be connected control strip 206 and connect by duplex torsion spring 209, ACTIVE CONTROL sheet 205 and be connected guide plate 203 and pass through square actuating spindle 214 connections.
Be provided with at least one on the described self-locking device and connect pedestal 212, this connects pedestal 212 and connects self-locking device and elevator.
Be provided with the orienting sleeve 204 of control angle on the described control guide plate 203, be provided with the slotted hole with radian on the described self-locking device, orienting sleeve 204 cooperates with slotted hole.
Described safety device 200 is captiveed joint with elevator, one end and work rope 102 sliding block joints, the other end and safety line 104 sliding block joints, during the elevator normal operation, safety device 200 passes safety line 104 with the elevator up-and-down movement, suddenly have no progeny when work rope 102, safety device 200 fastening safety ropes are locked into elevator on the safety line 104.If it is not shown in FIG. to be provided with two safety device 200(on the elevator), the both sides of the work rope 102 on the electrical-controlled lifting machine arrange respectively safety line 104, two safety devices 200 are arranged on the both sides of work rope 102, be symmetrical arranged or along the setting that keeps at a certain distance away of elevator sense of motion, after 102 fractures of work rope, the safety line 104 of both sides is simultaneously stressed, safety device 200 is locked into elevator on two safety lines 104, stressed even, avoid a safety line 104 to cause fracture etc. because unexpected stressed stress is excessive; If it is not shown in FIG. to be provided with two safety device 200(on the described elevator), one side of the work rope on the elevator arranges two safety lines 104,104 of the safety lines of work rope 102 and close work rope 102 arrange the first safety device, between two safety lines 104 the second safety device is set, the safety line 104 of the first safety device is as the work rope 102 of the second safety device, the first safety device is locked into elevator on the safety line 104 after 102 fractures of work rope, if the problems such as fracture appear in safety line 104, the second safety device works, elevator is locked on another safety line 104, further improves reliability.
As shown in Figure 1, a kind of elevator with safety device of above-mentioned a kind of electrical-controlled lifting machine, the middle and upper part of elevator is provided with connecting bore, the corresponding connection of connecting bore on the connection pedestal on this connecting bore and the safety device, the work rope of elevator are connected with safety line with safety device 200 and slidably are connected.Described elevator comprises safety device 200, support frame, bont and control setup.
As Figure 1-3, described safety device 200 is located in the middle of the elevator or upper middle side, comprise guiding control wheel 201, control guide plate 203 and self-locking device, self-locking device comprises rope substrate 211, rope substrate 211 is located on the safety line 104, the bottom is provided with and connects pedestal 212, connects pedestal 212 and captives joint with elevator, and the middle part is provided with ACTIVE CONTROL sheet 205 and driven control strip 206; Described ACTIVE CONTROL sheet 205 and driven control strip 206 are provided with and safety line 104 close-fitting the first locker 207 and the second lockers 208, described control guide plate 203 is connected by square actuating spindle 214 with ACTIVE CONTROL sheet 205, and square actuating spindle 214 is connected with driven control strip 206 by duplex torsion spring 209; Described guiding control wheel 201 is connected with control guide plate 203 tops, be connected with the connecting panel 213 that matches with the rope 102 of working on the guiding control wheel 201, connecting panel 213 ends are provided with rope control cover 202, and described control guide plate 203 middle parts are provided with angle control orienting sleeve 204; Described rope substrate 211 tops are provided with rope guiding hub 210.
Safety device is located on the work rope 102, work rope 102 is fixed on the special-purpose crossbeam of wind cat head end, lower end and gig link, rope control cover 202 is installed on the bilateral connecting panel 213 by bolt, connecting panel 213 is linked together by bolt and rope guiding control wheel 201 and control guide plate 203 again, but connecting panel 213 wiring ropes guiding control wheel 203 center rotatings; Control guide plate 203 is linked together by screw thread and rope substrate 211, ACTIVE CONTROL sheet 205, the duplex torsion spring 209 at square actuating spindle 214 two ends; Driven control strip 206 is linked together by axle and rope substrate 211, duplex torsion spring 209; The first locker 207 and the second locker 208 are installed in the control slit of ACTIVE CONTROL sheet 205 and driven control strip 206; Rope lock substrate 211 be connected pedestal 212 and be bolted to together by four; Rope control cover 202 is installed in the slotted hole that radian is arranged of rope lock substrate 211; Safety line 104 upper ends are fixed on the special-purpose crossbeam of wind cat head end, by rope guiding hub 210, enter into the first locker 207, the second locker 208 of opening, the centre gangway that connects pedestal 212 hangs down downwards naturally.
When elevator is worked, the rope 102 of working under action of gravitation is tightened up, make upwards turning clockwise of guiding control wheel 201, cooperate with square actuating spindle 214 by control guide plate 203, driving ACTIVE CONTROL sheet 205 rotates, ACTIVE CONTROL sheet 205 drives the first locker 207 by control slit itself and the second locker 208 separates to both sides, promoting simultaneously driven control strip 206 rotates synchronously, the axle that duplex torsion spring 209 also is installed on ACTIVE CONTROL sheet 205 and the driven control strip 206 tightens, and makes it be in arm-to-arm.The distance that this moment, the first locker 207 and the second locker 208 were opened is greater than rope diameter, and rope can be free to slide in passage.
When unexpected fracture or rope slippage appear in work rope 102, pressure on the guiding control wheel 201 disappears, the duplex torsion spring 209 of arm-to-arm releases energy, under the promotion of duplex torsion spring 209, the first locker 207 and the second locker 208 rotate rapidly upward, so that the distance of two rope clamps reduces rapidly, safety line 104 is clamped rapidly, under the effect of rope guiding hub 210, the friction force between rope clamp and the rope is increasing, so that rope is drawn tighter and tighter.Link to each other with elevator owing to the rope lock passes through to connect pedestal 212 again, thereby rapidly elevator is pinned.
In above-mentioned motion, under the effect of ACTIVE CONTROL sheet 205 and square actuating spindle 214, force control guide plate 203 lower-lefts to be rotated, it is in treats mode of operation.
The above only is preferred implementation of the present utility model; should be pointed out that for the ordinary skill in the art, do not breaking away under the utility model principle prerequisite; can also make various deformation and improvement, this also should be considered as protection domain of the present utility model.
Claims (6)
1. the safety device of an electrical-controlled lifting machine, work rope and safety line are set on the electrical-controlled lifting machine, it is characterized in that: described safety device is arranged on the elevator captives joint with elevator, this safety device is connected with safety line with the work rope respectively and is connected, described safety device comprises the guiding control wheel that is connected with the work rope, the self-locking device that is connected with safety line and the control guide plate that is connected guiding control wheel and self-locking device, be provided with at least two safety devices on the described elevator, a plurality of safety devices are symmetrical and/or connect successively step by step, and the described safety line of a safety device that is connected to successively step by step is as the work rope of next safety device.
2. the safety device of a kind of electrical-controlled lifting machine according to claim 1, it is characterized in that: be provided with connecting panel on the described guiding control wheel, this connecting panel connects guiding control wheel and control guide plate, also be provided with rope control cover on this connecting panel, rope control cover cooperates with the guiding control wheel and work rope sliding block joint.
3. the safety device of a kind of electrical-controlled lifting machine according to claim 1, it is characterized in that: described self-locking device comprises a rope substrate, is arranged on the first locker and the second locker that connect safety line on the rope substrate, control ACTIVE CONTROL sheet and driven control strip that the first locker and the second locker are opened and locked, the ACTIVE CONTROL sheet be connected control strip and connect by the duplex torsion spring, ACTIVE CONTROL sheet and be connected guide plate and pass through square actuating spindle connection.
4. the safety device of a kind of electrical-controlled lifting machine according to claim 3 is characterized in that: be provided with at least one on the described self-locking device and connect pedestal, this connection pedestal connection self-locking device and electrical-controlled lifting machine.
5. the safety device of a kind of electrical-controlled lifting machine according to claim 1, it is characterized in that: the orienting sleeve that is provided with control angle on the described control guide plate, be provided with the slotted hole with radian on the described self-locking device, orienting sleeve cooperates control angle with slotted hole.
6. the safety device of a kind of electrical-controlled lifting machine according to claim 1, it is characterized in that: described work rope and safety line are steel rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320185988 CN203199834U (en) | 2013-04-12 | 2013-04-12 | Safety device for electrically controlled elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320185988 CN203199834U (en) | 2013-04-12 | 2013-04-12 | Safety device for electrically controlled elevator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203199834U true CN203199834U (en) | 2013-09-18 |
Family
ID=49143964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320185988 Expired - Fee Related CN203199834U (en) | 2013-04-12 | 2013-04-12 | Safety device for electrically controlled elevator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203199834U (en) |
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2013
- 2013-04-12 CN CN 201320185988 patent/CN203199834U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 Termination date: 20170412 |