CN212893526U - Device for controlling crane to pass through object super-high area and crane - Google Patents
Device for controlling crane to pass through object super-high area and crane Download PDFInfo
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- CN212893526U CN212893526U CN202021783699.0U CN202021783699U CN212893526U CN 212893526 U CN212893526 U CN 212893526U CN 202021783699 U CN202021783699 U CN 202021783699U CN 212893526 U CN212893526 U CN 212893526U
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Abstract
The utility model provides a control hoist is through object superelevation regional device, include: the first proximity switch is arranged on the cart main beam; the system comprises an A induction area and a B induction area, wherein the A induction area and the B induction area are respectively arranged at positions on a cart track corresponding to two sides of an ultra-high area, and both the A induction area and the B induction area correspond to a first proximity switch; the system comprises a main cart loop, a main cart loop and a control loop, wherein the main cart loop is provided with a left-going motor and a right-going motor, the left-going motor is connected with a power supply through a left-going contactor, and the right-going motor is connected with the power supply through a right-going contactor; the lifting main loop is provided with a lifting motor, the lifting motor is connected with a power supply through a lifting contactor respectively, and a descending contactor is connected to the lifting contactor in parallel; a control loop; the utility model discloses well cart can automatic shutdown before will getting into the superelevation region, rolls off the superelevation region and just can descend the lifting hook, and site operation personnel need not to visualize the location cart position again, the operating personnel's that alleviates working strength.
Description
Technical Field
The utility model belongs to the technical field of the hoist, concretely relates to control hoist is through regional device and hoist of object superelevation.
Background
At present, ultrahigh equipment or objects in part of workshops have requirements on the height of a crane hoisted object, if the height of the crane hoisted object is too low, the crane hoisted object collides with the ultrahigh equipment or the objects to cause safety accidents, and in order to avoid the accidents, field operators need to lift the hoisted object to the highest position in advance when the crane enters an area (ultrahigh area) for placing the ultrahigh equipment or the objects and then move the crane through the ultrahigh area. Therefore, the working intensity of operators is increased, and the operators are easy to operate mistakenly and have serious potential safety hazards.
Therefore, a device for controlling the crane to pass through an object super-high area and a crane for reducing the working strength of operators and improving the safety are needed to be designed to solve the technical problems faced at present.
Disclosure of Invention
Not enough to exist among the prior art, the utility model provides a alleviate operating personnel working strength, promote the control hoist of security and pass through the regional device and hoist of object superelevation.
The technical scheme of the utility model is that: apparatus for controlling a crane through a superelevation region of an object, comprising: the first proximity switch is arranged on the cart main beam; the sensing areas A and B are respectively arranged at the positions corresponding to the two sides of the ultrahigh area on the cart track, and both the sensing areas A and B correspond to the first proximity switch; the main loop of the large vehicle is provided with a left-going motor and a right-going motor, the left-going motor is connected with a power supply through a left-going contactor, and the right-going motor is connected with the power supply through a right-going contactor; the lifting main loop is provided with a lifting motor, the lifting motor is respectively connected with a power supply through a lifting contactor, and a descending contactor is connected to the lifting contactor in parallel; and the control loop is used for controlling the on-off of the left-going contactor, the right-going contactor, the ascending contactor and the descending contactor.
The control loop has: the relay comprises a pulse relay, a first intermediate relay, a second intermediate relay, an in-place switch, an ascending switch, a descending switch, a left-going switch and a right-going switch; pulse relay with first proximity switch establishes ties, first auxiliary relay with pulse relay's normally open contact establishes ties, first auxiliary relay's normally closed contact with after the switch that targets in place connects in parallel with the second auxiliary relay establishes ties, the rising switch with the rising contactor establishes ties, the decline switch in proper order with first auxiliary relay the decline contactor establishes ties, the left side go the switch in proper order with the second auxiliary relay the left side go the contactor establishes ties, the right side go the switch in proper order with the second auxiliary relay the right side go the contactor establishes ties.
And a normally open contact of the first intermediate relay is connected with an alarm device in series.
A normally closed contact of a descending contactor is connected in series between the ascending switch and the ascending contactor, and a normally closed contact of the ascending contactor is connected in series between the descending switch and the descending contactor; the normally closed contact of the right-going contactor is connected in series between the left-going switch and the left-going contactor, and the normally closed contact of the left-going contactor is connected in series between the right-going switch and the right-going contactor.
The in-place switch is arranged on the trolley and used for detecting that the lifting hook is lifted in place.
The crane is provided with a device for controlling the crane to pass through the object ultrahigh area, and the device for controlling the crane to pass through the object ultrahigh area comprises: the first proximity switch is arranged on the cart main beam; the sensing areas A and B are respectively arranged at the positions corresponding to the two sides of the ultrahigh area on the cart track, and both the sensing areas A and B correspond to the first proximity switch; the main loop of the large vehicle is provided with a left-going motor and a right-going motor, the left-going motor is connected with a power supply through a left-going contactor, and the right-going motor is connected with the power supply through a right-going contactor; the lifting main loop is provided with a lifting motor, the lifting motor is respectively connected with a power supply through a lifting contactor, and a descending contactor is connected to the lifting contactor in parallel; and the control loop is used for controlling the on-off of the left-going contactor, the right-going contactor, the ascending contactor and the descending contactor.
The control loop has: the relay comprises a pulse relay, a first intermediate relay, a second intermediate relay, an in-place switch, an ascending switch, a descending switch, a left-going switch and a right-going switch; pulse relay with first proximity switch establishes ties, first auxiliary relay with pulse relay's normally open contact establishes ties, first auxiliary relay's normally closed contact with after the switch that targets in place connects in parallel with the second auxiliary relay establishes ties, the rising switch with the rising contactor establishes ties, the decline switch in proper order with first auxiliary relay the decline contactor establishes ties, the left side go the switch in proper order with the second auxiliary relay the left side go the contactor establishes ties, the right side go the switch in proper order with the second auxiliary relay the right side go the contactor establishes ties.
And a normally open contact of the first intermediate relay is connected with an alarm device in series.
A normally closed contact of a descending contactor is connected in series between the ascending switch and the ascending contactor, and a normally closed contact of the ascending contactor is connected in series between the descending switch and the descending contactor; the normally closed contact of the right-going contactor is connected in series between the left-going switch and the left-going contactor, and the normally closed contact of the left-going contactor is connected in series between the right-going switch and the right-going contactor.
The in-place switch is arranged on the trolley and used for detecting that the lifting hook is lifted in place.
The utility model has the advantages that:
(1) the middle-large vehicle can automatically stop before entering the ultrahigh area, and the lifting hook can descend only when the middle-large vehicle exits the ultrahigh area, so that field operators do not need to visually locate the position of the large vehicle, and the working strength of the operators is reduced;
(2) the lifting hook is always in the highest state when the crane passes through the ultrahigh area, so that collision can be avoided to the maximum extent, and the safety is improved.
Drawings
Fig. 1 is a schematic structural diagram of the device for controlling the crane to pass through the object ultrahigh region in the utility model.
Fig. 2 is the circuit diagram of the middle lifting main loop of the present invention.
Fig. 3 is a circuit diagram of the main circuit of the middle-sized and large-sized vehicle of the present invention.
Fig. 4 is a circuit diagram of the control loop of the present invention.
Detailed Description
The following describes the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1 to 3, the apparatus for controlling a crane to pass through an ultrahigh area of an object, includes: the first proximity switch S91, the first proximity switch S91 is arranged on the cart girder; the device comprises an A induction area and a B induction area, wherein the A induction area and the B induction area are respectively arranged at positions corresponding to two sides of an ultra-high area on a cart track, the A induction area and the B induction area both correspond to a first proximity switch, when a cart is about to arrive at the ultra-high area, one of the A induction area and the B induction area triggers the first proximity switch S91, when the cart just leaves the ultra-high area, the other one of the A induction area and the B induction area triggers the first proximity switch S91, and the A induction area and the B induction area are matched with the proximity switch S91, so that the device can be automatically positioned when the cart enters and goes out of the ultra-high area, specifically, the A induction area and the B induction area can be metal plate bodies fixedly arranged on one side of the cart track, and the first proximity switch S91 is moved to the A induction area and the B induction area, and the metal plate bodies trigger the first proximity switch S91; the main loop of the cart is provided with a left-going motor and a right-going motor, the left-going motor is connected with a power supply through a left-going contactor ZCd, and the right-going motor is connected with the power supply through a right-going contactor FCd; the lifting main loop is provided with a lifting motor, the lifting motor is respectively connected with a power supply through a lifting contactor ZCS, and a descending contactor FCs is connected to the lifting contactor in parallel; the control circuit is used for controlling the on-off of the left-going contactor ZCd, the right-going contactor FCd, the ascending contactor ZCs and the descending contactor FCs; specifically, in the process that the cart moves from the position shown in fig. 1 to the induction area a, the first proximity switch-S91 is triggered by the induction area B first, the cart stops moving, at this time, an operator needs to lift the hook to the highest position, after the lifting is completed, the cart can move by switching on the main loop of the cart, and through the super-high area, the lifting motor cannot be controlled to descend at this time, until the cart moves out of the super-high area, the induction area a triggers the first proximity switch-S91, and the lifting motor descending contactor FCs is switched on, so that the lifting motor can be normally controlled to ascend and descend; the principle of the cart moving from the induction area A to the induction area B is the same as that of the cart moving from the induction area A to the induction area B; can automatic stop before the cart will get into the superelevation region in this embodiment, roll off from the superelevation region and just can descend the lifting hook, and on-the-spot operating personnel need not to look the location cart position again, and the operating personnel's that alleviates working strength, simultaneously, the lifting hook is always in the highest state when the hoist passes through the superelevation region again, and the collision avoidance that can furthest takes place, has promoted the security.
As shown in fig. 4, as a specific embodiment of the control circuit, the control circuit includes: a pulse relay KA1, a first intermediate relay KA2, a second intermediate relay KA3, a set-position switch S92, a rising switch S11, a falling switch S12, a left travel switch S13 and a right travel switch S14; the pulse relay KA1 is connected in series with a coil of a first proximity switch S91, a first intermediate relay KA2 is connected in series with a normally open contact of the pulse relay KA1, a normally closed contact of the first intermediate relay KA2 is connected in parallel with an in-place switch S92 and then connected in series with a second intermediate relay KA3, an ascending switch S11 is connected in series with an ascending contactor ZCs, a descending switch S12 is sequentially connected in series with the first intermediate relay KA2 and a descending contactor FCs, a left-going switch S13 is sequentially connected in series with the second intermediate relay KA3 and a left-going contactor ZCd, and a right-going switch S14 is sequentially connected in series with the second intermediate relay KA3 and a right-going contactor FCd; when the first proximity switch S91 is triggered for the first time, the large vehicle is about to enter an ultrahigh area, the pulse relay KA1 is electrified, the first intermediate relay KA2 is connected and kept, the second intermediate relay KA3 is disconnected, a loop where the descending switch S12, the left traveling switch S13 and the right traveling switch S14 are located is cut off, the large vehicle cannot be controlled to move and the lifting hook descends, only the ascending switch S11 can be connected at the moment, after the lifting hook ascends to the highest position and triggers the in-position switch S92, the second intermediate relay KA3 is conducted to connect the loop of the left row switch S13 and the loop of the right row switch S14, the cart can be controlled to move to the other side of the ultrahigh area through the left-going switch S13 or the right-going switch S14 until the pulse relay KA1 is triggered again, the pulse relay KA1 is switched on again, the pulse relay KA1 resets, the intermediate relay KA2 is powered off, a loop where the descending switch S12 is located is switched on, and the descending of the hook can be controlled through the descending switch S12 at the moment.
Further, in order to remind field operators that the cart moves in place, an alarm device is connected to a normally open contact of a first intermediate relay KA2 in series, and can send out sound and/or light alarm signals after the alarm device is powered on to attract the attention of the operators; the alarm device is an existing device, and is not described in detail.
A normally closed contact of a descending contactor FCs is connected in series between the ascending switch S11 and the ascending contactor ZCs, and a normally closed contact of an ascending contactor ZCs is connected in series between the descending switch S12 and the descending contactor FCs, so that the ascending contactor ZCs and the descending contactor FCs of the lifting motor are interlocked; the normally closed contact of the right-row contactor FCd is connected in series between the left-row switch S13 and the left-row contactor ZCd, and the normally closed contact of the left-row contactor ZCd is connected in series between the right-row switch S14 and the right-row contactor FCd, so that the interlocking between the left-row contactor ZCd and the right-row contactor FCd is realized;
the in-place switch S92 is arranged on the trolley, the in-place switch S92 is used for detecting that the lifting hook is lifted in place, specifically, when the lifting hook is lifted to the highest position, the in-place switch S92 is just triggered, and the in-place switch S92 can be a proximity switch or a travel switch and is fixed at the position, corresponding to the lifting hook, of the lower portion of the trolley through a support.
The embodiment also comprises a crane, wherein the crane is provided with the device for controlling the crane to pass through the object ultrahigh area in the embodiment, a cart of the crane can automatically stop before entering the ultrahigh area, and the lifting hook can descend only after exiting the ultrahigh area, so that a site operator does not need to visually locate the cart again, and the working strength of the operator is reduced; the lifting hook is always in the highest state when the crane passes through the ultrahigh area, so that collision can be avoided to the maximum extent, and the safety of the crane is improved.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. An apparatus for controlling a crane to traverse a superelevation region of an object, comprising:
the first proximity switch is arranged on the cart main beam;
the sensing areas A and B are respectively arranged at the positions corresponding to the two sides of the ultrahigh area on the cart track, and both the sensing areas A and B correspond to the first proximity switch;
the main loop of the large vehicle is provided with a left-going motor and a right-going motor, the left-going motor is connected with a power supply through a left-going contactor, and the right-going motor is connected with the power supply through a right-going contactor;
the lifting main loop is provided with a lifting motor, the lifting motor is respectively connected with a power supply through a lifting contactor, and a descending contactor is connected to the lifting contactor in parallel;
and the control loop is used for controlling the on-off of the left-going contactor, the right-going contactor, the ascending contactor and the descending contactor.
2. The apparatus of claim 1, wherein the control circuit comprises:
the relay comprises a pulse relay, a first intermediate relay, a second intermediate relay, an in-place switch, an ascending switch, a descending switch, a left-going switch and a right-going switch;
pulse relay with first proximity switch establishes ties, first auxiliary relay with pulse relay's normally open contact establishes ties, first auxiliary relay's normally closed contact with after the switch that targets in place connects in parallel with the second auxiliary relay establishes ties, the rising switch with the rising contactor establishes ties, the decline switch in proper order with first auxiliary relay the decline contactor establishes ties, the left side go the switch in proper order with the second auxiliary relay the left side go the contactor establishes ties, the right side go the switch in proper order with the second auxiliary relay the right side go the contactor establishes ties.
3. The apparatus of claim 2, wherein the apparatus comprises: and a normally open contact of the first intermediate relay is connected with an alarm device in series.
4. The apparatus of claim 2, wherein the apparatus comprises: a normally closed contact of a descending contactor is connected in series between the ascending switch and the ascending contactor, and a normally closed contact of the ascending contactor is connected in series between the descending switch and the descending contactor; the normally closed contact of the right-going contactor is connected in series between the left-going switch and the left-going contactor, and the normally closed contact of the left-going contactor is connected in series between the right-going switch and the right-going contactor.
5. The apparatus of claim 2, wherein the apparatus comprises: the in-place switch is arranged on the trolley and used for detecting that the lifting hook is lifted in place.
6. A crane having means for controlling the crane to pass through an area of object elevation, said means for controlling the crane to pass through an area of object elevation comprising:
the first proximity switch is arranged on the cart main beam;
the sensing areas A and B are respectively arranged at the positions corresponding to the two sides of the ultrahigh area on the cart track, and both the sensing areas A and B correspond to the first proximity switch;
the main loop of the large vehicle is provided with a left-going motor and a right-going motor, the left-going motor is connected with a power supply through a left-going contactor, and the right-going motor is connected with the power supply through a right-going contactor;
the lifting main loop is provided with a lifting motor, the lifting motor is respectively connected with a power supply through a lifting contactor, and a descending contactor is connected to the lifting contactor in parallel;
and the control loop is used for controlling the on-off of the left-going contactor, the right-going contactor, the ascending contactor and the descending contactor.
7. The crane according to claim 6, wherein the control loop has:
the relay comprises a pulse relay, a first intermediate relay, a second intermediate relay, an in-place switch, an ascending switch, a descending switch, a left-going switch and a right-going switch;
pulse relay with first proximity switch establishes ties, first auxiliary relay with pulse relay's normally open contact establishes ties, first auxiliary relay's normally closed contact with after the switch that targets in place connects in parallel with the second auxiliary relay establishes ties, the rising switch with the rising contactor establishes ties, the decline switch in proper order with first auxiliary relay the decline contactor establishes ties, the left side go the switch in proper order with the second auxiliary relay the left side go the contactor establishes ties, the right side go the switch in proper order with the second auxiliary relay the right side go the contactor establishes ties.
8. The crane according to claim 7, wherein: and a normally open contact of the first intermediate relay is connected with an alarm device in series.
9. The crane according to claim 7, wherein: a normally closed contact of a descending contactor is connected in series between the ascending switch and the ascending contactor, and a normally closed contact of the ascending contactor is connected in series between the descending switch and the descending contactor; the normally closed contact of the right-going contactor is connected in series between the left-going switch and the left-going contactor, and the normally closed contact of the left-going contactor is connected in series between the right-going switch and the right-going contactor.
10. The crane according to claim 7, wherein: the in-place switch is arranged on the trolley and used for detecting that the lifting hook is lifted in place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021783699.0U CN212893526U (en) | 2020-08-24 | 2020-08-24 | Device for controlling crane to pass through object super-high area and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021783699.0U CN212893526U (en) | 2020-08-24 | 2020-08-24 | Device for controlling crane to pass through object super-high area and crane |
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| Publication Number | Publication Date |
|---|---|
| CN212893526U true CN212893526U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021783699.0U Active CN212893526U (en) | 2020-08-24 | 2020-08-24 | Device for controlling crane to pass through object super-high area and crane |
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|---|---|
| CN (1) | CN212893526U (en) |
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- 2020-08-24 CN CN202021783699.0U patent/CN212893526U/en active Active
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