CN204185159U - The anti-mistake of a kind of crane rope puts device - Google Patents

The anti-mistake of a kind of crane rope puts device Download PDF

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Publication number
CN204185159U
CN204185159U CN201420352135.XU CN201420352135U CN204185159U CN 204185159 U CN204185159 U CN 204185159U CN 201420352135 U CN201420352135 U CN 201420352135U CN 204185159 U CN204185159 U CN 204185159U
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China
Prior art keywords
mistake
warning device
sensor
primary importance
crane
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Expired - Lifetime
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CN201420352135.XU
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Chinese (zh)
Inventor
刘勇
上官洛奎
赵丽霞
李海燕
王宁虎
马俊驰
马少飞
王金敏
李文书
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China Academy of Launch Vehicle Technology CALT
Changzhi Qinghua Machinery Factory
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China Academy of Launch Vehicle Technology CALT
Changzhi Qinghua Machinery Factory
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Priority to CN201420352135.XU priority Critical patent/CN204185159U/en
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Publication of CN204185159U publication Critical patent/CN204185159U/en
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Abstract

The utility model relates to the technical field of hoisting crane, is specifically related to the anti-mistake of a kind of crane rope and puts device; The technical matters solved is: provide a kind of and do not rely on limiter of moment, can normally carry out when limiter of moment dead electricity the anti-mistake of crane rope of work to put device; The technical scheme adopted is: the anti-mistake of a kind of crane rope puts device, comprise primary importance sensor KM1, second place sensor KM2, control relay KJ1, warning device and power supply, described primary importance sensor KM1 is fixed on and comprises in the Ya Sheng mechanism of press rope wheel and support, and described second place sensor KM2 is arranged at by mounting rod and is wound with on the cable drum outer circumference surface of steel rope; The utility model is applicable to crane field.

Description

The anti-mistake of a kind of crane rope puts device
Technical field
The utility model relates to the technical field of hoisting crane, is specifically related to the anti-mistake of a kind of crane rope and puts device.
Background technology
According to the requirement of GB12602-2009 " elevator machinery overload protection device ", more than three tons lorry-mounted cranes require to install limiter of moment additional, and the limiter of moment product that straight arm type lorry-mounted crane is in the market installed forms primarily of force snesor, linear transducer, angular transducer and height limit switch; For the steel rope for the object that hoists in the lift heavy operation of hoisting crane; due to do not explicitly call in GB12602-2009 standard must to its cross the state of putting carry out detection protection; so most of limiter of moment producer did not carry out putting the function detecting and protect to steel rope to limiter of moment configuration when producing, and the rotating cycle adopting coder to detect cable drum detects excessive release of steel wire rope and protects to only have small part producer to answer user to require.
The advantage utilizing coder to detect excessive release of steel wire rope and to protect is: the accuracy of detection of coder is high, can the folding and unfolding situation of Real-Time Monitoring steel rope, shortcoming is: shock resistance and the shock resistance of coder are poor, be damaged than being easier to, and, stronger according to lazyness to limiter of moment of the program, equipment must first power on to limiter of moment before running and starting, otherwise the warp information of steel rope in limiter of moment dead electricity situation cannot be detected, and then caused putting information feed back distortion, the requirement carrying out detecting protection to excessive release of steel wire rope cannot be reached.
Utility model content
The utility model overcomes the deficiency that prior art exists, and technical matters to be solved is: provide a kind of and do not rely on limiter of moment, can normally carry out when limiter of moment dead electricity the anti-mistake of crane rope of work to put device.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: the anti-mistake of a kind of crane rope puts device, comprise primary importance sensor KM1, second place sensor KM2, control relay KJ1, warning device and power supply, described primary importance sensor KM1 is fixed on and comprises in the Ya Sheng mechanism of press rope wheel and support, and described second place sensor KM2 is arranged at by mounting rod and is wound with on the cable drum outer circumference surface of steel rope, one end of the open contact KM1.1 of described primary importance sensor KM1 is also connected with positive source after connecing one end of the open contact KJ1.1 of described control relay KJ1, the other end of the open contact KJ1.1 of described control relay KJ1 is connected with the input end of described warning device, the other end of the open contact KM1.1 of described primary importance sensor KM1 is connected with one end of the normally closed contact KM2.1 of described second place sensor KM2, the other end of the normally closed contact KM2.1 of described second place sensor KM2 is connected with one end of the coil KJ1.2 of described control relay KJ1, the other end of the coil KJ1.2 of described control relay KJ1 is also connected with power cathode after connecing the mouth of described warning device.
The two ends of described warning device are also connected to electric liquid protective valve DF1, and described electric liquid protective valve DF1 is serially connected in the hydraulic circuit of hoisting crane; Described warning device comprises buzzer phone DL1, and the input end of described buzzer phone DL1 is the input end of described warning device, and the mouth of described buzzer phone DL1 is the mouth of described warning device; Described primary importance sensor KM1 and described second place sensor KM2 is proximity switch.
The utility model compared with prior art has following beneficial effect:
1, in the utility model, the anti-mistake of steel rope is put device and is comprised primary importance sensor KM1, second place sensor KM2, control relay KJ1, warning device and power supply, primary importance sensor KM1 is fixed on and comprises in the Ya Sheng mechanism of press rope wheel and support, and second place sensor KM2 is arranged at by mounting rod and is wound with on the cable drum outer circumference surface of steel rope, primary importance sensor KM1 is for detecting the position of Ya Sheng mechanism, second place sensor KM2 is for detecting the folding and unfolding state of a certain circle (as the last lap) steel rope that cable drum is wound around, in the process of crane hoisting weight, along with the release of steel rope, the displacement of the actuator in Ya Sheng mechanism can change, and the number of turns of this displacement and steel rope is certain proportion, when steel rope is released into a fixing turn (as last lap), actuator in Ya Sheng mechanism enters the detection range of primary importance sensor KM1, primary importance sensor KM1 action, its open contact KM1.1 closes, second place sensor KM2 obtains electric, its normally closed contact KM2.1 disconnects, now second place sensor KM2 detects the folding and unfolding state of remaining a certain circle (as last lap) steel rope in real time, when detecting that the release of this circle steel rope is complete, the normally closed contact KM2.1 of the second place sensor KM2 in off-state closes, now, the coil KJ1.2 of control relay KJ1 obtains electric, its open contact KJ1.1 closes, warning device obtains and electricly sends alerting signal, staff is reminded to take action in time, guarantee that equipment can not cause because of excessive release of steel wire rope damaging, it is simple that above-mentioned anti-mistake puts apparatus structure, better, accuracy of detection is high, in operational process, do not rely on moment forces square killer completely for impact resistance and anti-vibration ability, namely the using state of limiter of moment does not affect the normal operation of this device completely, has extremely strong practicality.
2, in the utility model, warning device comprises buzzer phone DL1, and this buzzer phone DL1 can send high caution sound when excessive release of steel wire rope, has good warning function; At the two ends of warning device also and be connected to electric liquid protective valve DF1; this electric liquid protective valve DF1 is serially connected in the hydraulic circuit of hoisting crane; the electricity liquid protective valve DF1 also energized action when warning device obtains electric alarm; the hydraulic circuit in hoisting crane can be disconnected in time; the release of timely stopping steel rope; ensure that the safe handling of hoisting crane, avoid unnecessary economic loss.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in more detail:
Fig. 1 is scheme of installation of the present utility model;
Fig. 2 is the right elevation of Fig. 1;
Fig. 3 is the electrical block diagram of embodiment one;
Fig. 4 is the electrical block diagram of embodiment two;
In figure: 1 is press rope wheel, 2 is support, and 3 is steel rope, and 4 is cable drum.
Detailed description of the invention
Embodiment one
As shown in Figure 1 and Figure 2, the anti-mistake of a kind of crane rope puts device, comprise primary importance sensor KM1, second place sensor KM2, control relay KJ1, warning device and power supply, described primary importance sensor KM1 is fixed on and comprises in the Ya Sheng mechanism of press rope wheel 1 and support 2, described second place sensor KM2 is arranged at by mounting rod and is wound with on cable drum 4 outer circumference surface of steel rope 3, and the primary importance sensor KM1 in the present embodiment and second place sensor KM2 all can be proximity switch, as shown in Figure 3, one end of the open contact KM1.1 of described primary importance sensor KM1 is also connected with positive source after connecing one end of the open contact KJ1.1 of described control relay KJ1, the other end of the open contact KJ1.1 of described control relay KJ1 is connected with the input end of described warning device, the other end of the open contact KM1.1 of described primary importance sensor KM1 is connected with one end of the normally closed contact KM2.1 of described second place sensor KM2, the other end of the normally closed contact KM2.1 of described second place sensor KM2 is connected with one end of the coil KJ1.2 of described control relay KJ1, the other end of the coil KJ1.2 of described control relay KJ1 is also connected with power cathode after connecing the mouth of described warning device, in the present embodiment, described warning device comprises buzzer phone DL1, the input end of described buzzer phone DL1 is the input end of described warning device, the mouth of described buzzer phone DL1 is the mouth of described warning device, in addition, described warning device also can comprise Warning light, and described Warning light can be attempted by the two ends of described buzzer phone DL1, in the present embodiment, the two ends of described warning device are also connected to electric liquid protective valve DF1, described electric liquid protective valve DF1 is serially connected in the hydraulic circuit of hoisting crane, and electric liquid protective valve DF1 mono-electricly must will disconnect in hoisting crane the hydraulic circuit controlling winding plant, makes steel rope 3 at once stop release.
Anti-mistake in the present embodiment is put device and is had independent starting, stop loop, does not rely on the running state of limiter of moment, namely still can normally work when limiter of moment does not power on.
Embodiment two
Embodiment one puts situation when device does not rely on limiter of moment and independently carries out work for the anti-mistake in the utility model, and in the present embodiment, this anti-mistake put device also can with the mutual collaborative work of limiter of moment, be applied to limiter of moment hoisting crane, with embodiment one unlike the participation that decreases control relay KJ1 in the present embodiment, and each device is electrically connected with the main control system of limiter of moment respectively, physical circuit is as follows:
One end of the open contact KM1.1 of described primary importance sensor KM1 is also connected with positive source after connecing one end of the normally closed contact KM2.1 of described second place sensor KM2, the other end of open contact KM1.1 of described primary importance sensor KM1 is connected with the first PORT COM of limiter of moment main control system, the other end of normally closed contact KM2.1 of described second place sensor KM2 is connected with the second PORT COM of limiter of moment main control system, first control port of described limiter of moment main control system is connected with one end of described warning device, the other end of described warning device is connected with described power cathode, described warning device comprises buzzer phone DL1, described anti-mistake is put device and is also comprised electric liquid protective valve DF1, and one end of described electric liquid protective valve DF1 is connected with the second control port of described limiter of moment main control system, and the other end of described electric liquid protective valve DF1 is connected with described power cathode.
In the present embodiment, primary importance sensor KM1 is for detecting the position of Ya Sheng mechanism, second place sensor KM2 is for detecting the folding and unfolding state of a certain circle (as the last lap) steel rope 3 that cable drum 4 is wound around, in the process of crane hoisting weight, along with the release of steel rope 3, the displacement of the actuator in Ya Sheng mechanism can change, and the number of turns of this displacement and steel rope 3 is certain proportion, when steel rope 3 is released into a fixing turn (as last lap), actuator in Ya Sheng mechanism enters the detection range of primary importance sensor KM1, primary importance sensor KM1 action, its open contact KM1.1 closes, and transmit an on-off signal to the main control system of limiter of moment, another switching value is sent to second place sensor KM2 after the main control system of limiter of moment receives this on-off signal, second place sensor KM2 connects, its normally closed contact KM2.1 disconnects, now second place sensor KM2 detects the folding and unfolding state of remaining a certain circle (as last lap) steel rope 3 in real time, when detecting that this circle steel rope 3 discharges complete, the normally closed contact KM2.1 of the second place sensor KM2 in off-state closes, and transmit an on-off signal to the main control system of limiter of moment, transmit control signal respectively to warning device and electric liquid protective valve DF1 after the main control system of limiter of moment receives this on-off signal, warning device sends alerting signal after receiving signal, staff is reminded to take action in time, guarantee that equipment can not cause because steel rope 3 excessively puts damaging, the hydraulic circuit of hoisting crane is cut off after electric liquid protective valve DF1 receives signal simultaneously, the release of timely stopping steel rope 3, ensure that the safe handling of hoisting crane, avoid unnecessary economic loss.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from the utility model aim.

Claims (4)

1. the anti-mistake of crane rope puts device, it is characterized in that: comprise primary importance sensor KM1, second place sensor KM2, control relay KJ1, warning device and power supply, described primary importance sensor KM1 is fixed on and comprises in the Ya Sheng mechanism of press rope wheel and support, and described second place sensor KM2 is arranged at by mounting rod and is wound with on the cable drum outer circumference surface of steel rope;
One end of the open contact KM1.1 of described primary importance sensor KM1 is also connected with positive source after connecing one end of the open contact KJ1.1 of described control relay KJ1, the other end of the open contact KJ1.1 of described control relay KJ1 is connected with the input end of described warning device, the other end of the open contact KM1.1 of described primary importance sensor KM1 is connected with one end of the normally closed contact KM2.1 of described second place sensor KM2, the other end of the normally closed contact KM2.1 of described second place sensor KM2 is connected with one end of the coil KJ1.2 of described control relay KJ1, the other end of the coil KJ1.2 of described control relay KJ1 is also connected with power cathode after connecing the mouth of described warning device.
2. the anti-mistake of a kind of crane rope according to claim 1 puts device, it is characterized in that: the two ends of described warning device are also connected to electric liquid protective valve DF1, and described electric liquid protective valve DF1 is serially connected in the hydraulic circuit of hoisting crane.
3. the anti-mistake of a kind of crane rope according to claim 1 and 2 puts device, it is characterized in that: described warning device comprises buzzer phone DL1, the input end of described buzzer phone DL1 is the input end of described warning device, and the mouth of described buzzer phone DL1 is the mouth of described warning device.
4. the anti-mistake of a kind of crane rope according to claim 1 and 2 puts device, it is characterized in that: described primary importance sensor KM1 and described second place sensor KM2 is proximity switch.
CN201420352135.XU 2014-06-30 2014-06-30 The anti-mistake of a kind of crane rope puts device Expired - Lifetime CN204185159U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085814A (en) * 2014-06-30 2014-10-08 长治清华机械厂 Crane steel wire rope over-discharge preventing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104085814A (en) * 2014-06-30 2014-10-08 长治清华机械厂 Crane steel wire rope over-discharge preventing device
CN104085814B (en) * 2014-06-30 2017-02-15 长治清华机械厂 Crane steel wire rope over-discharge preventing device

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