CN202729506U - Slack rope protection device of hoisting machine system - Google Patents
Slack rope protection device of hoisting machine system Download PDFInfo
- Publication number
- CN202729506U CN202729506U CN 201220319861 CN201220319861U CN202729506U CN 202729506 U CN202729506 U CN 202729506U CN 201220319861 CN201220319861 CN 201220319861 CN 201220319861 U CN201220319861 U CN 201220319861U CN 202729506 U CN202729506 U CN 202729506U
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- rope
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- main body
- hoisting machine
- slack
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Abstract
The utility model discloses a slack rope protection device of a hoisting machine system. The slack rope protection device of the hoisting machine system comprises a cage main body; the middle part of the cage main body is provided with a balance rod which is connected with a top plate of the cage main body through a buffer spring and is also connected with a rope locking device through a main pull rod; the rope locking device is connected with a principal rope of a steel wire rope; the top plate of the cage main body is provided with a proximity switch support and an electrical box; the proximity switch support is provided with a proximity switch; when the principal rope of the steel wire rope of the hoisting machine system runs and the slack rope occurs instantly, a slack rope detection proximity switch installed at the top of the cage is triggered to act, through conducting open point signals of the slack rope detection proximity switch, signals are transmitted to a digital wireless frequency modulation transmitter; the wireless frequency modulation transmitter sends slack rope signals; a wellhead receiver receives the slack rope signals and transmits the slack rope protection signals to a hoisting machine electric control system for taking corresponding protection treatment, and the situations of the principal rope of the hoisting machine can be detected accurately in real time when the hoisting machine runs and stops.
Description
Technical field
The utility model belongs to mine hoist safety resist technology field, is used for the slack rope fault detection of the safe operation process of gig, is specifically related to a kind of elevator system rope-loosing protection device.
Background technology
Rope creep protection is to be contained in not far position between elevator drum downside or cylinder and the head sheave by pull switch etc., but slack rope to detect finally be slack rope detection between cage and the winch.Cylinder can only be detected to the slack rope of head sheave for what fix in their common ground position; So slack rope situation between detection lifting drum can not be real and real-time and the cage.
In the mine system now, for numerous safety problems in mine or one very crucial and relatively difficulty solved thing.For the mine hoist system; all the more so; raising along with the degree of automation of present gig; its security of system coefficient improves constantly; but there is such-and-such safety problem to occur; consider and in the experience in other mine, we have designed the rope creep protection system that is directed to elevator system based on the site safety of gig.
Present gig cage is partly protected and is divided into mechanical type anti-fall protection and electric rope creep protection.In a lot of mines mechanical anti-falling protection is arranged; if but the mechanical type protection is broken down; when also not having electric rope creep protection; the safety of cage system can't guarantee; nowadays rope creep protection also is equipped with at a lot of scenes, but because the simpler and easy and design defect of detection guard method of taking finally makes rope creep protection can't realize the protective effect of essence; thereby protection was lost efficacy or delay protection, cause gig to cause larger accident.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of elevator system rope-loosing protection device, can detect exactly, in real time the situation of head rope when gig moves and stops of gig.
To achieve these goals; the technical solution adopted in the utility model is: a kind of Novel hoist system rope-loosing protection device; include a cage main body; cage main body middle part is provided with trammel beam; trammel beam links to each other by the top board of recoil spring with the cage main body, and trammel beam also links to each other with rope Locking device by main tie, and rope Locking device links to each other with the steel rope head rope; the top board of cage main body is provided with approach switch support and electric box, and the approach switch support is provided with approach switch.
Be provided with the DC24V level in the described electric box, the DC24V level links to each other with the DC24V relay, and the DC24V relay links to each other with wireless frequency modulation transmitter, and wireless frequency modulation transmitter is by the receiving wire wireless connections of wireless transmission antenna and well head receptor.
The positive pole of described DC24 level links to each other with the A of approach switch end, and the negative pole of DC24 level links to each other with an end of 24V relay; The B end of approach switch links to each other with the other end of 24V relay, the 24V relay also links to each other with the power supply negative terminal of wireless frequency modulation transmitter, the positive pole of DC24 level, negative pole link to each other with positive pole, the negative pole of wireless frequency modulation transmitter respectively, the antennal interface end of well head receptor links to each other with receiving wire, the signal output part of well head receptor with promote automatically controlled PLC and link to each other.
Described recoil spring is located at the main tie outside.
The beneficial effects of the utility model are:
Compared with prior art, adopt the utility model, its rope creep protection when gig is moved will play vital effect.If the machine that rises in operational process, the slack rope situation occurs, send data to hoist control system by wireless frequency modulation transmitter, hoist control system is made corresponding processing to gig.Deceleration accident harm and to the development of more serious situation; Compared with former rope creep protection, realized the rope creep protection monitoring, can within the fastest time, the rope creep protection signal be sent into elevator electric control, reach in real time and accurately protection.
The maximum difference of the utility model and prior art is, top in mobile cage main body, deformation by the recoil spring between cage body and its suspension gear (comprising trammel beam, main tie, rope Locking device and steel rope head rope) occurs before and after the gig slack rope accurately detects its slack rope situation; Finally fast signal is sent to the lifting protection system by wireless signal, the purpose that realizes pinpointing the problems when anxious and process through row.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is electrical principle scheme drawing of the present utility model.
Among the figure: 1-cage main body, 2-trammel beam, 3-recoil spring, the 4-main tie, 5-rope Locking device, 6-steel rope head rope, 7-approach switch support, 8-approach switch, 9-electric box, the 10-DC24V level, the 11-DC24V relay, 12-wireless frequency modulation transmitter, 13-wireless transmission antenna, 14-well head receptor, the 15-receiving wire.
The specific embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and principle of work are described in further detail.
Referring to Fig. 1; a kind of Novel hoist system rope-loosing protection device; include a cage main body 1; cage main body 1 middle part is provided with trammel beam 2; trammel beam 2 links to each other with the top board of cage main body 1 by recoil spring 3, and trammel beam 2 also links to each other with rope Locking device 5 by main tie 4, and rope Locking device 5 links to each other with steel rope head rope 6; the top board of cage main body 1 is provided with approach switch support 7 and electric box 9, and approach switch support 7 is provided with approach switch 8.
Be provided with DC24V level 10 in the electric box 9, DC24V level 10 links to each other with DC24V relay 11, DC24V relay 11 links to each other with wireless frequency modulation transmitter 12, and wireless frequency modulation transmitter 12 is by receiving wire 15 wireless connections of wireless transmission antenna 13 with well head receptor 14.
Described DC24V level, DC24V relay, approach switch are connected cable to connect with wireless frequency modulation transmitter.
Described recoil spring 3 is located at main tie 4 outsides.
Referring to Fig. 1, cage main body 1 is raised the Electrical Control system by trammel beam 2, recoil spring 3, main tie 4, rope Locking device 5 and steel rope head rope 6 and promotes and transfer operation.Under normal circumstances (namely without the slack rope situation), since the deadweight of cage main body and wherein loading weight with cage main body 1 relative suspension gear (comprising trammel beam 2, main tie 4, rope Locking device 5 and steel rope head rope 6) to pressing down, make recoil spring 3 that elastic deformations occur and compress, thereby make cage body 1 and suspension gear produce relative displacement, at this moment approach switch 8 is owing to directly be connected on the cage body 1 by approach switch support 7, so approach switch 8 can not detect main tie 4, so do not have the output of slack rope signal.When causing cage body 1 weightlessness owing to blocking tank or other reason; under the effect of recoil spring 3; thereby cage main body 1 relative suspension gear (comprising cage main body 1, main tie 4, rope Locking device 5 and steel rope head rope 6) is moved up; and the contact conduction detection that causes fast approach switch is exported the rope creep protection signal to main tie 4.
The elastic deformation that the suspension gear physical construction that utilizes gig cage main body 1 top occurs when gig heavy duty and slack rope, the generation mechanical shift.Approach switch by being installed in the cage top 8 detects itself and the displacement of cage main body 1 generation simultaneously.
The positive pole of DC24 level links to each other with the A end of approach switch 8, and the negative pole of DC24 level links to each other with an end of 24V relay 9; The B end of approach switch 8 links to each other with the other end of 24V relay 9,24V relay 9 also links to each other with the power supply negative terminal of wireless frequency modulation transmitter 12, the positive pole of DC24 level, negative pole link to each other with positive pole, the negative pole of wireless frequency modulation transmitter 12 respectively, the antennal interface end of well head receptor 14 links to each other with receiving wire 15, the signal output part of well head receptor 14 with promote automatically controlled PLC and link to each other.
When the steel rope head rope 6 of elevator system when the slack rope phenomenon appears in moment during in operation; the slack rope that is installed in the cage top detects approach switch 8 action that is triggered; by conducting its of signal signal is sent into digital radio frequency-modulated transmitter 12 battle; send the slack rope signal by wireless frequency modulation transmitter 12; well head receptor 14 receives the slack rope signal, simultaneously the rope creep protection signal is sent into hoist control system and carries out corresponding conservation treatment.
Under normal circumstances, approach switch 8 close point adhesives, the charged and adhesive of often making war of the K coil of DC24V relay, this moment, the on-off signal A with DC24V relay 9 gave lifting automatically controlled PLC by wireless frequency modulation transmitter 12 and well head receptor; When the approach switch that is contained in cage main body top detects the slack rope action, approach switch 8 is made war and is opened, the K coil losing electricity of DC24V relay 9 and normal the battle disconnect, and give the on-off signal 0 of DC24V relay and promote automatically controlled PLC this moment by wireless frequency modulation transmitter and well head receptor; Realize detecting in real time fast of rope creep protection, finally realized reaching by accurate detection elevator system is protected.
Claims (4)
1. Novel hoist system rope-loosing protection device; include a cage main body (1); it is characterized in that; cage main body (1) middle part is provided with trammel beam (2); trammel beam (2) links to each other with the top board of cage main body (1) by recoil spring (3); trammel beam (2) also links to each other with rope Locking device (5) by main tie (4); rope Locking device (5) links to each other with steel rope head rope (6); the top board of cage main body (1) is provided with approach switch support (7) and electric box (9), and approach switch support (7) is provided with approach switch (8).
2. a kind of Novel hoist according to claim 1 system rope-loosing protection device; it is characterized in that; be provided with DC24V level (10) in the described electric box (9); DC24V level (10) links to each other with DC24V relay (11); DC24V relay (11) links to each other with wireless frequency modulation transmitter (12), and wireless frequency modulation transmitter (12) is by receiving wire (15) wireless connections of wireless transmission antenna (13) with well head receptor (14).
3. a kind of Novel hoist according to claim 2 system rope-loosing protection device, it is characterized in that, the positive pole of described DC24 level (10) links to each other with the A end of approach switch (8), and the negative pole of DC24 level links to each other with an end of 24V relay (9); The B end of approach switch (8) links to each other with the other end of 24V relay (9), 24V relay (9) also links to each other with the power supply negative terminal of wireless frequency modulation transmitter (12), the positive pole of DC24 level, negative pole link to each other with positive pole, the negative pole of wireless frequency modulation transmitter (12) respectively, the antennal interface end of well head receptor (14) links to each other with receiving wire (15), the signal output part of well head receptor (14) with promote automatically controlled PLC and link to each other.
4. a kind of Novel hoist according to claim 1 system rope-loosing protection device is characterized in that described recoil spring (3) is located at main tie (4) outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319861 CN202729506U (en) | 2012-07-04 | 2012-07-04 | Slack rope protection device of hoisting machine system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220319861 CN202729506U (en) | 2012-07-04 | 2012-07-04 | Slack rope protection device of hoisting machine system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202729506U true CN202729506U (en) | 2013-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220319861 Expired - Lifetime CN202729506U (en) | 2012-07-04 | 2012-07-04 | Slack rope protection device of hoisting machine system |
Country Status (1)
| Country | Link |
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| CN (1) | CN202729506U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420245A (en) * | 2013-07-10 | 2013-12-04 | 嘉兴市华东建设机械有限公司 | Rope breaking protection device of construction lifter |
| CN103663223A (en) * | 2013-11-25 | 2014-03-26 | 无锡起岸重工机械有限公司 | Steel wire rope loosening-resisting rope protecting device for crane |
| CN107601203A (en) * | 2017-10-23 | 2018-01-19 | 金川集团股份有限公司 | A kind of list rope cage catching device action detection device and detection method |
-
2012
- 2012-07-04 CN CN 201220319861 patent/CN202729506U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103420245A (en) * | 2013-07-10 | 2013-12-04 | 嘉兴市华东建设机械有限公司 | Rope breaking protection device of construction lifter |
| CN103663223A (en) * | 2013-11-25 | 2014-03-26 | 无锡起岸重工机械有限公司 | Steel wire rope loosening-resisting rope protecting device for crane |
| CN107601203A (en) * | 2017-10-23 | 2018-01-19 | 金川集团股份有限公司 | A kind of list rope cage catching device action detection device and detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |