CN113511593A - Hoist control system of integrated bridge crane - Google Patents
Hoist control system of integrated bridge crane Download PDFInfo
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- CN113511593A CN113511593A CN202110968734.9A CN202110968734A CN113511593A CN 113511593 A CN113511593 A CN 113511593A CN 202110968734 A CN202110968734 A CN 202110968734A CN 113511593 A CN113511593 A CN 113511593A
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- 238000001514 detection method Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C15/00—Safety gear
- B66C15/06—Arrangements or use of warning devices
- B66C15/065—Arrangements or use of warning devices electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/101—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means for containers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/18—Control systems or devices
- B66C13/48—Automatic control of crane drives for producing a single or repeated working cycle; Programme control
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to the technical field of lifting appliances, in particular to a lifting appliance control system of an integrated bridge crane, which comprises a PLC and a lifting appliance; the lifting appliance comprises a main beam, support arms arranged at two ends of the main beam and capable of moving relative to the main beam, twist locks used for being locked with a lock head at the top of the container are arranged at the bottoms of the two ends of each support arm, and the lifting appliance further comprises a detection mechanism arranged on each support arm, wherein the detection mechanism comprises a scanning piece arranged at the bottom of each support arm, a driving mechanism used for driving the scanning piece to move along the length direction of the main beam, and a warning piece connected with a PLC (programmable logic controller); the scanning piece is used for scanning the top area of the container to determine whether the top of the container has a gap, and when the scanning piece detects that the top of the container has the gap, the PLC controls the warning piece to send out a warning signal. When the twist lock is locked on the adjacent container of the target container, the warning piece gives out a warning to remind the staff, and the staff is prevented from lifting the container in the state to cause safety accidents.
Description
Technical Field
The invention relates to the technical field of lifting appliances, in particular to a lifting appliance control system of an integrated bridge crane.
Background
The bridge crane is mainly used for hoisting, and the container is often hoisted by the bridge crane at a wharf port. The four corners of the top of the common container are provided with lock heads, the lifting appliance of the bridge crane is provided with twist locks corresponding to the lock heads, and the twist locks are inserted into the lock heads and then rotate for a certain angle to complete locking with the lock heads, so that subsequent lifting work can be carried out.
The existing bridge crane sling generally comprises a main beam and support arms arranged at two ends of the main beam, wherein twist locks are arranged on the support arms, in order to adapt to the length of a container, the support arms are usually movably arranged on the main beam, and a power part drives the support arms to move along the length direction of the main beam so as to adapt to the container.
However, such a spreader has a great disadvantage in use, and sometimes there may be a plurality of containers side by side, and at this time, since the twist locks are difficult to be directly observed when the lock heads are locked, it is easy to occur that two twist locks on one arm are locked on the target container, and two twist locks on the other arm are locked on the lock heads of the adjacent containers of the target container (as shown in fig. 5 in the specification), which is equivalent to that the spreader simultaneously grabs two containers, and if the container is directly lifted, the safety problems such as falling of the container are easily caused, and thus the improvement is still needed.
Disclosure of Invention
In view of the above, the present invention provides a spreader control system for an integrated bridge crane.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a lifting appliance control system of an integrated bridge crane comprises a PLC and a lifting appliance; the lifting appliance comprises a main beam, support arms arranged at two ends of the main beam and capable of moving relative to the main beam, twist locks used for being locked with a lock head at the top of the container are arranged at the bottoms of the two ends of each support arm, and the lifting appliance further comprises a detection mechanism arranged on each support arm, wherein the detection mechanism comprises a scanning piece arranged at the bottom of each support arm, a driving mechanism used for driving the scanning piece to move along the length direction of the main beam, and a warning piece connected with a PLC (programmable logic controller); the scanning piece is used for scanning the top area of the container to determine whether the top of the container has a gap, and when the scanning piece detects that the top of the container has the gap, the PLC controls the warning piece to send out a warning signal.
The advantage of this scheme of adoption lies in:
firstly, a detection mechanism is arranged at the bottom of a support arm in the scheme, and detection is realized through a scanning piece, so that a container at the bottom of the support arm can be scanned through the scanning piece after a twist lock is locked with a lock head of the container; the principle is mainly as follows: if two twistlocks are locked on the lock heads of the adjacent containers of the target container, in the state, the scanning piece can scan the gap between the two adjacent containers, the twistlocks are locked on the adjacent containers of the target container, and at the moment, the warning piece gives out a warning to remind workers, so that the safety accident caused by the fact that the workers lift the containers in the state is avoided.
Secondly, in this scheme, the scanning piece is through actuating mechanism drive displacement, so can carry out the linear scanning along the length direction of girder, and not scan at a certain fixed position, so can improve the accuracy of scanning result, if the scanning piece is rigid, then its position that can scan also only is a department, if the seam position of two containers is not here at this moment, just can't realize the detection to lead to the testing result to appear the deviation.
Furthermore, the driving mechanism comprises a track fixedly arranged at the bottom of the support arm and extending towards the inner side of the support arm along the length direction of the main beam, and a sliding block arranged on the track in a sliding manner; a power part for driving the sliding block to move along the track is arranged between the sliding block and the track; the scanning piece is arranged on the sliding block.
Furthermore, a sliding groove extending along the length direction of the rail is formed in the middle of the rail, the sliding block is connected in the sliding groove in a sliding mode, a cover plate used for covering a groove opening of the sliding groove is arranged at the bottom of the rail, and a detection opening extending along the length direction of the rail and used for scanning of the scanning piece is formed in the cover plate.
Furthermore, the scanning piece is a laser range finder, and the initial scanning position of the laser range finder is located on a connecting line of the two twist locks on the support arm.
Further, the twist-lock includes a locked state and an unlocked state; when the twist lock is in a locked state, the PLC controls the scanning piece to be opened, and when the twist lock is in an unlocked state, the PLC controls the scanning piece to be closed.
Furthermore, mounting seats are arranged at two ends of the support arm, and the twist lock is arranged on the mounting seats; the twist lock comprises a rotating shaft rotationally connected to the mounting seat, a lock tongue arranged at the lower end of the rotating shaft and used for being locked with the lock head, and a first motor used for driving the rotating shaft to rotate, wherein a detection cavity is formed in the mounting seat, and the rotating shaft penetrates through the detection cavity; the detection cavity is internally provided with a detection piece, when the rotating shaft drives the lock tongue to rotate to a locking state, the detection piece responds, and the PLC controls the scanning piece to be opened; when the rotating shaft drives the lock tongue to rotate to an unlocking state, the detection piece does not respond, and the PLC controls the scanning piece to be closed.
Furthermore, the scanning piece is an infrared detector and comprises a transmitting end and a receiving end which are arranged on the side wall of the detection cavity; the transmitting end and the receiving end are arranged oppositely, the transmitting end is used for transmitting infrared light, the receiving end is used for receiving the infrared light transmitted by the transmitting end, and when the receiving end receives the infrared light transmitted by the transmitting end, the PLC controls the scanning piece to be started; the pivot is located between transmitting terminal and the receiving terminal, just set up in the pivot and radially set up the perforation that supplies the infrared light to pass through along the pivot, when the pivot rotated to closure state, the both ends of perforation are towards transmitting terminal and receiving terminal respectively.
Furthermore, an installation cavity is formed in the installation seat, the first motor is arranged in the installation cavity, and the rotating shaft is installed on the installation seat through a thrust ball bearing; the upper end of the rotating shaft extends into the mounting cavity and is connected with a main shaft of the first motor, and the main shaft of the first motor and the rotating shaft are circumferentially kept relatively fixed and can slide relatively to the rotating shaft in the axial direction.
Furthermore, the upper end of the rotating shaft is provided with a jack for inserting a main shaft of the first motor, the main shaft of the first motor is fixedly connected with a convex key, and the peripheral wall of the jack is provided with a key groove for embedding the convex key along the axial direction of the jack.
Drawings
Fig. 1 is a schematic structural view of a spreader;
FIG. 2 is a schematic structural view of a driving mechanism;
FIG. 3 is a schematic view of the internal structure of the mounting base;
FIG. 4 is a schematic structural diagram of the first motor and the rotating shaft;
fig. 5 is a schematic diagram of a state in which the spreader simultaneously clamps two containers.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in order to make the technical solution of the present invention easier to understand and understand.
Example (b):
as shown in fig. 1, the present embodiment provides a spreader control system of an integrated bridge crane, which includes a PLC and a spreader.
The lifting appliance comprises a main beam 1 and support arms 2 which are arranged at two ends of the main beam 1 and can move relative to the main beam 1, namely the support arms 2 can move along the length direction of the main beam 1 to adjust the distance between the two support arms 2 so as to adapt to the length of a container, and a large amount of documents are disclosed in the prior art for the movement adjusting structure of the main beam 1 and the support arms 2, so that the details are not repeated.
2 both ends bottoms of support arm are equipped with the twist lock 3 that is used for carrying out the closure with container top tapered end, need to explain, current container four corners department all can set up the tapered end, can set up on the tapered end to want waist type locked groove, twist lock 3 and this locked groove adaptation, during the locking, twist lock 3 inserts the locked groove in, then rotatory certain angle, generally is 90 degrees, and twist lock 3 makes twist lock 3 can't directly take out from the locked groove in staggering the notch of locked groove to accomplish the closure.
The device also comprises a detection mechanism arranged on the support arm 2, wherein the detection mechanism comprises a scanning piece arranged at the bottom of the support arm 2, a driving mechanism used for driving the scanning piece to move along the length direction of the main beam 1, and a warning piece connected with the PLC; scanning piece and warning piece all are connected with PLC, scanning piece is used for scanning container top region to confirm whether the container top has the clearance, record the container top when scanning piece and have the clearance, then PLC control warning piece sends warning signal.
In this embodiment, the scanning piece can adopt a laser range finder, and it includes a laser head 51, utilizes laser head 51 to launch laser and carries out the range finding, laser range finder's initial scanning position is located on the line of two twistlocks 3 on same support arm 2, and the initial scanning position here is the starting point position of laser head 51, sets up its aim at on the line of two twistlocks 3, makes the three be located same straight line, and the initial position of laser head 51 and twistlocks 3 are located same straight line like this, and so twistlocks 3 are on what container, and the initial position of laser head 51 is on what container, guarantees the accuracy of scanning result.
The specific principle is as follows: the laser head 51 emits laser downwards to measure the distance between the laser head 51 and the container, when the laser irradiates the gap between two containers, the result measured by the laser range finder is inevitably larger than the distance directly irradiating the containers, only a reference value is set for the PLC according to the principle, when the distance measured by the laser range finder is larger than the reference value, the laser detects the gap, and the surface lifting appliance straddles two containers; if the numerical value detected by the laser range finder is smaller than or equal to the reference value in the whole process, the situation that no gap is detected in the scanning process is indicated, and the surface lifting appliance is clamped on the same container.
During specific work, at first make 4 twistlocks 3 on the hoist lock respectively on the tapered end of container, accomplish the closure after, open laser scanner, and move to 2 inboards on the support arm through actuating mechanism control scanning piece, laser head 51 constantly scans the range finding downwards at this in-process, after the scanning is accomplished, if appear being greater than when being worth the range finding value according to the reference, then the surface has detected the clearance, indicate indirectly that twistlocks 3 lock has been on different containers, at this moment, PLC control warning piece warns, has reminded the staff, in this embodiment, the warning piece can adopt bee calling organ or warning light, with its setting in the control chamber or other places that can be directly perceived.
For a clearer understanding of the present solution, reference is made to fig. 5, which illustrates a situation where the twistlocks are clamped in different containers, where a1 denotes the target container, i.e. the container to be lifted by the spreader, a2 denotes the container adjacent to the target container, a3 denotes the locking head on the container, and the direction indicated by the arrow in the figure is the moving scanning direction of the scanning element; in this state, there is a gap between a1 and a2, and the scanning device is mainly used to scan the gap to determine whether there are two containers, as shown in fig. 5, where two twistlocks on one arm are located on the target container a1, but two twistlocks on the other arm are aligned with the container a2, in which the container is easily dropped and a safety accident is caused.
Referring to fig. 2, the driving mechanism includes a rail 521 fixedly installed at the bottom of the arm 2 and extending toward the inner side of the arm 2 along the length direction of the main beam 1, and a slider 525 slidably installed on the rail 521; a power part for driving the sliding block to move along the track 521 is arranged between the sliding block 525 and the track 521; the scanning element, i.e. the laser head 51, is arranged on a slide 525.
The middle of the track 521 is provided with a sliding groove 5211 extending along the length direction of the track 521, the sliding block 525 is slidably connected in the sliding groove 5211, the power part comprises a lead screw 523 rotatably connected in the sliding groove 5211 and a second motor 522 arranged on the track 521 and used for driving the lead screw 523 to rotate, the lead screw 523 is in threaded connection with the sliding block 525, the lead screw 523 is driven to rotate through the second motor 522, and then the sliding block 525 is driven to move in the sliding groove 5211, so that the mobile scanning is realized.
In order to play certain protection effect to laser head 51, the bottom of track 521 is equipped with the apron 524 that is used for covering spout 5211 notch, set up on the apron 524 and extend the detection mouth 5241 that supplies scanning piece (being laser head 51) to scan along track 521 length direction, laser head 51 is located in spout 5211, is sheltered from by apron 524, and cover 524 just so can play certain guard effect, and detection mouth 5241 mainly is used for supplying the laser that laser head 51 launched to pass through, guarantees that laser head 51 can normally range.
The twist-lock 3 comprises a locked state and an unlocked state; the locked state refers to the state that the twist lock 3 is rotated to an angle locked with the lock head, and the unlocked state refers to the state that the twist lock 3 is rotated to an angle unlocked with the lock head.
As shown in fig. 3, it can be seen from the above process detection process that in the unlocking state, it is obvious that the laser head 51 does not need to be opened for operation, and in this state, the laser head 51 can be closed, and the service life of the laser head 51 is limited, and if the laser head 51 is opened all the time, it is obviously not favorable for the effective service life of the laser head 51; if only a switch for controlling the start of the laser head 51 is arranged, the switch needs to be operated and controlled by a worker, so that the working operation procedures of the worker are increased, the worker sometimes forgets to control the switch to be closed, and therefore the embodiment is further improved.
The structure is as follows: mounting seats 4 are arranged at two ends of the support arm 2, and the twist lock 3 is arranged on the mounting seats 4; the twist lock 3 comprises a rotating shaft 31 rotatably connected to the mounting base 4, a lock tongue 32 arranged at the lower end of the rotating shaft 31 and used for being locked with the lock head, and a first motor 33 used for driving the rotating shaft 31 to rotate, wherein the lock tongue 32 is matched with a lock groove of the lock head, the first motor 33 drives the rotating shaft 31 to rotate and further drives the lock head to rotate, the lock tongue 32 can be vertically inserted into the lock groove of the lock head in an unlocking state, during locking, the first motor 33 drives the rotating shaft 31 to rotate by 90 degrees, and at the moment, the lock tongue 32 rotates by 90 degrees in the lock groove of the lock head along with the lock tongue 32, so that locking is completed.
A detection cavity is formed in the mounting seat 4, and the rotating shaft 31 penetrates through the detection cavity; a detection piece is arranged in the detection cavity, when the rotating shaft 31 drives the bolt 32 to rotate to a locking state, the detection piece responds, and the PLC controls the laser head 51 to be started; when pivot 31 drove lock tongue 32 and rotates to the unblock state, the test piece does not respond, and PLC control laser head 51 closes, and is specific:
the scanning piece is an infrared detector and comprises a transmitting end 61 for transmitting infrared light and a receiving end 62 for receiving the infrared light transmitted by the transmitting end 61; the transmitting end 61 and the receiving end 62 are fixed to opposite side walls of the detection chamber, respectively. The receiving end 62 is connected with the PLC, and when the receiving end 62 receives the infrared light emitted by the emitting end 61, the PLC controls the laser head 51 to be opened, otherwise, the laser head 51 is controlled to be closed.
The rotating shaft 31 is located between the transmitting end 61 and the receiving end 62, and the rotating shaft 31 is provided with a through hole 311 for infrared light to pass through, the two ends of the through hole 311 respectively face the transmitting end 61 and the receiving end 62 when the rotating shaft 31 rotates to the locked state, in other words, in this state, the transmitting end 61 and the receiving end 62 are located on the axis of the through hole 311, so that the infrared light transmitted by the transmitting end 61 can irradiate the receiving end 62 through the through hole 311 to be received by the receiving end 62, when the rotating shaft 31 rotates to the unlocked state, the position of the through hole 311 changes and does not face the transmitting end 61 and the receiving end 62 any more, at this time, under the blockage of the rotating shaft 31, the light of the transmitting end 61 is blocked by the rotating shaft 31 and cannot irradiate the receiving end 62, and further, the PLC cannot control the laser head 51 to be opened.
In this embodiment, an installation cavity 42 is further formed in the installation seat 4, the first motor 33 is arranged in the installation cavity 42, and the rotating shaft 31 is installed on the installation seat 4 through the thrust ball bearing 7; specifically, the race of the thrust ball bearing 7 is fixed on the bottom wall of the mounting cavity 42, the shaft collar is fixed on the rotating shaft 31, and the circumferential rotation and the axial bearing of the rotating shaft 31 are ensured through the thrust ball bearing 7.
The upper end of the rotating shaft 31 extends into the mounting cavity and is connected with a main shaft of the first motor 33, the rotating shaft 31 is driven to rotate through the first motor 33, and then the lock tongue 32 is driven to rotate, so that unlocking or locking is completed.
In this embodiment, the main shaft of the first motor 33 and the rotating shaft 31 are relatively fixed in the circumferential direction and can slide relative to the rotating shaft 31 in the axial direction, specifically:
as shown in fig. 4, an insertion hole 312 for inserting the spindle of the first motor 33 is formed at the upper end of the rotating shaft 31, a convex key 331 is fixedly connected to the spindle of the first motor 33, a key slot 313 for inserting the convex key is formed in the circumferential wall of the insertion hole 312 along the axial direction of the insertion hole 312, and the spindle of the first motor 33 can drive the rotating shaft 31 to rotate synchronously when rotating through the cooperation of the convex key 331 and the key slot 313; in this embodiment, the key 331 can move axially along the key slot 313, so that the main shaft of the first motor 33 does not participate in the axial load; if the main shaft of the first motor 33 is fixedly connected to the rotating shaft 31, at this time, if the lock tongue 32 moves down due to the excessive load bearing of the rotating shaft 31, at this time, because the first motor 33 and the rotating shaft 31 are fixed, the rotating shaft 31 inevitably pulls down the main shaft of the first motor 33, so that the main shaft of the first motor 33 bears a large pulling force, and the first motor 33 is easily damaged, but in this embodiment, because the main shaft of the first motor 33 is matched with the key slot 313 through the convex key 331, even if the rotating shaft 31 moves down, the main shaft of the first motor 33 is not pulled down by the rotating shaft 31, so as to protect the first motor 33.
The above are only typical examples of the present invention, and besides, the present invention may have other embodiments, and all technical solutions formed by equivalent substitutions or equivalent transformations fall within the scope of the present invention.
Claims (9)
1. A lifting appliance control system of an integrated bridge crane comprises a PLC and a lifting appliance; the lifting appliance comprises a main beam and support arms arranged at two ends of the main beam and capable of moving relative to the main beam, wherein twist locks for locking with a lock head at the top of a container are arranged at the bottoms of the two ends of each support arm; the scanning piece is used for scanning the top area of the container to determine whether the top of the container has a gap, and when the scanning piece detects that the top of the container has the gap, the PLC controls the warning piece to send out a warning signal.
2. The lifting appliance control system of the integrated bridge crane according to claim 1, wherein the driving mechanism comprises a rail fixedly installed at the bottom of the support arm and extending towards the inner side of the support arm along the length direction of the main beam, and a slide block slidably installed on the rail; a power part for driving the sliding block to move along the track is arranged between the sliding block and the track; the scanning piece is arranged on the sliding block.
3. The lifting appliance control system of the integrated bridge crane according to claim 2, wherein a sliding groove extending along the length direction of the rail is formed in the middle of the rail, the sliding block is slidably connected in the sliding groove, a cover plate for covering a notch of the sliding groove is arranged at the bottom of the rail, and a detection port extending along the length direction of the rail and used for scanning by a scanning element is formed in the cover plate.
4. The integrated crane spreader control system of claim 1, wherein the scanning component is a laser range finder, and an initial scanning position of the laser range finder is located on a connecting line of the two twistlocks on the supporting arm.
5. An integrated bridge spreader control system as claimed in any one of claims 1 to 4, wherein the twist-lock comprises a locked state and an unlocked state; when the twist lock is in a locked state, the PLC controls the scanning piece to be opened, and when the twist lock is in an unlocked state, the PLC controls the scanning piece to be closed.
6. The lifting appliance control system of the integrated bridge crane according to claim 5, wherein mounting seats are arranged at two ends of the supporting arm, and the twist locks are arranged on the mounting seats; the twist lock comprises a rotating shaft rotationally connected to the mounting seat, a lock tongue arranged at the lower end of the rotating shaft and used for being locked with the lock head, and a first motor used for driving the rotating shaft to rotate, wherein a detection cavity is formed in the mounting seat, and the rotating shaft penetrates through the detection cavity; the detection cavity is internally provided with a detection piece, when the rotating shaft drives the lock tongue to rotate to a locking state, the detection piece responds, and the PLC controls the scanning piece to be opened; when the rotating shaft drives the lock tongue to rotate to an unlocking state, the detection piece does not respond, and the PLC controls the scanning piece to be closed.
7. The lifting appliance control system of the integrated bridge crane according to claim 6, wherein the scanning element is an infrared detector and comprises a transmitting end and a receiving end which are arranged on the side wall of the detection cavity; the transmitting end and the receiving end are arranged oppositely, the transmitting end is used for transmitting infrared light, the receiving end is used for receiving the infrared light transmitted by the transmitting end, and when the receiving end receives the infrared light transmitted by the transmitting end, the PLC controls the scanning piece to be started; the pivot is located between transmitting terminal and the receiving terminal, just set up in the pivot and radially set up the perforation that supplies the infrared light to pass through along the pivot, when the pivot rotated to closure state, the both ends of perforation are towards transmitting terminal and receiving terminal respectively.
8. The lifting appliance control system of the integrated bridge crane according to claim 6, wherein a mounting cavity is further formed in the mounting seat, the first motor is arranged in the mounting cavity, and the rotating shaft is mounted on the mounting seat through a thrust ball bearing; the upper end of the rotating shaft extends into the mounting cavity and is connected with a main shaft of the first motor, and the main shaft of the first motor and the rotating shaft are circumferentially kept relatively fixed and can slide relatively to the rotating shaft in the axial direction.
9. The lifting appliance control system of the integrated bridge crane according to claim 8, wherein the upper end of the rotating shaft is provided with a jack into which a main shaft of the first motor is inserted, the main shaft of the first motor is fixedly connected with a convex key, and the peripheral wall of the jack is provided with a key groove in which the convex key is inserted along the axial direction of the jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968734.9A CN113511593A (en) | 2021-08-23 | 2021-08-23 | Hoist control system of integrated bridge crane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110968734.9A CN113511593A (en) | 2021-08-23 | 2021-08-23 | Hoist control system of integrated bridge crane |
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| CN113511593A true CN113511593A (en) | 2021-10-19 |
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| CN202110968734.9A Pending CN113511593A (en) | 2021-08-23 | 2021-08-23 | Hoist control system of integrated bridge crane |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113928984A (en) * | 2021-10-22 | 2022-01-14 | 宁波意宁码头经营有限公司 | Bridge crane control system based on automatic loading and unloading |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217502A (en) * | 2015-10-28 | 2016-01-06 | 武汉理工大学 | A kind of utilize gravitional force be used as power source air pressure drive container spreader |
| US20160122161A1 (en) * | 2013-05-31 | 2016-05-05 | Konecranes Global Corporation | Cargo handling by a spreader |
| CN209853568U (en) * | 2019-05-06 | 2019-12-27 | 唐山港集团股份有限公司 | Double-box lifting appliance for quayside container crane |
| CN211042090U (en) * | 2019-12-12 | 2020-07-17 | 顺丰科技有限公司 | Rotating shaft positioning device |
| CN211813084U (en) * | 2020-02-28 | 2020-10-30 | 汕头招商局港口集团有限公司 | Container single-container lifting appliance twist lock state detection system |
| CN112623936A (en) * | 2020-12-25 | 2021-04-09 | 博大视野(厦门)科技有限公司 | Double-box detection method and lifting appliance using same |
| CN215828200U (en) * | 2021-08-23 | 2022-02-15 | 宁波北仑第三集装箱码头有限公司 | Hoist control system of integrated bridge crane |
-
2021
- 2021-08-23 CN CN202110968734.9A patent/CN113511593A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160122161A1 (en) * | 2013-05-31 | 2016-05-05 | Konecranes Global Corporation | Cargo handling by a spreader |
| CN105217502A (en) * | 2015-10-28 | 2016-01-06 | 武汉理工大学 | A kind of utilize gravitional force be used as power source air pressure drive container spreader |
| CN209853568U (en) * | 2019-05-06 | 2019-12-27 | 唐山港集团股份有限公司 | Double-box lifting appliance for quayside container crane |
| CN211042090U (en) * | 2019-12-12 | 2020-07-17 | 顺丰科技有限公司 | Rotating shaft positioning device |
| CN211813084U (en) * | 2020-02-28 | 2020-10-30 | 汕头招商局港口集团有限公司 | Container single-container lifting appliance twist lock state detection system |
| CN112623936A (en) * | 2020-12-25 | 2021-04-09 | 博大视野(厦门)科技有限公司 | Double-box detection method and lifting appliance using same |
| CN215828200U (en) * | 2021-08-23 | 2022-02-15 | 宁波北仑第三集装箱码头有限公司 | Hoist control system of integrated bridge crane |
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| CN113928984A (en) * | 2021-10-22 | 2022-01-14 | 宁波意宁码头经营有限公司 | Bridge crane control system based on automatic loading and unloading |
| CN113928984B (en) * | 2021-10-22 | 2023-11-14 | 宁波意宁码头经营有限公司 | Bridge crane control system based on automatic loading and unloading |
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