CN113928984A - Bridge crane control system based on automatic loading and unloading - Google Patents
Bridge crane control system based on automatic loading and unloading Download PDFInfo
- Publication number
- CN113928984A CN113928984A CN202111234142.0A CN202111234142A CN113928984A CN 113928984 A CN113928984 A CN 113928984A CN 202111234142 A CN202111234142 A CN 202111234142A CN 113928984 A CN113928984 A CN 113928984A
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- locking
- plate
- switch
- rotating shaft
- contact
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- 238000005192 partition Methods 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 4
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 238000004804 winding Methods 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
- B66C1/62—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 comprising article-engaging members of a shape complementary to that of the articles to be handled
- B66C1/66—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 comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
- B66C1/663—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 comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof for containers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control And Safety Of Cranes (AREA)
Abstract
The invention relates to the technical field of bridge cranes, in particular to an automatic loading and unloading based bridge crane control system, which comprises a hanger shell and a rotating shaft arranged on the hanger shell, wherein the lower end of the rotating shaft is fixedly provided with a lock head for lifting a container, a partition plate for dividing the inner cavity of the hanger shell into an upper space and a lower space is fixedly arranged in the inner cavity of the hanger shell, the upper end surface of the lock head is provided with a switch arranging cavity, a contact switch is arranged in the switch arranging cavity, the upper end surface of the hanger shell is fixedly provided with a warning component for prompting the completion of self-locking in a box, the partition plate is provided with a locking groove, a locking component is arranged on the rotating shaft in a sliding manner, an electromagnetic switch is arranged in the inner cavity of the hanger shell, a power supply is also arranged in the inner cavity of the hanger shell, the power supply, the warning component, the electromagnetic switch and the contact switch are connected in series, the invention is used for being arranged on a bridge crane and sending a warning of self-locking outside the rotary locking device box to an operator, meanwhile, the container is prevented from falling in the operation process, and the operation safety of the container is improved.
Description
Technical Field
The invention relates to the technical field of bridge cranes, in particular to a bridge crane control system based on automatic loading and unloading.
Background
The bridge crane is mainly used for loading and unloading containers at ports, a lifting appliance on the bridge crane is required to be used for hooking and locking the containers in the transferring process of the containers, the connection between the containers and the lifting appliance is realized, and the locking state of the containers and the lifting appliance influences the operation safety of the containers.
The lifting appliance is provided with a rotary locking device which is matched with a container for use, when the rotary locking device hooks the container, a lock head needs to be placed inside a lifting lug of the container, then a rotating shaft is driven to rotate to enable the lock head to be matched with the lifting lug to hook the lifting lug, and when the lock head rotates for a certain angle and forms locking matching with the lifting lug in the prior art, a locking warning lamp is arranged on the lifting appliance to prompt an operator to finish locking and start to lift and take the container; there is the tapered end when tapered end and lug cooperation in the outside locking phenomenon of lug, tapered end and lug do not really reach the locking state this moment, however the warning light has lighted the suggestion operator and operates the operation to the container, and this kind of phenomenon is the case self-locking, when carrying out the lift to the container this moment, because container locking inefficacy, causes the container slope when hanging the container this moment and get, and the operation in-process container drops easily, causes the incident. In the prior art, the rotation of a lock head is required to be forbidden in the operation process of the container, the falling of the container in the operation process is avoided, and the operation safety of the container is improved, so that how to design an automatic loading and unloading bridge crane control system for avoiding the self-locking phenomenon outside the container becomes a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
In view of the above, the present invention provides an automatic loading and unloading based bridge crane control system, which avoids the self-locking of a lock head outside a container and simultaneously prevents the falling of the container caused by misoperation.
In order to solve the technical problems, the technical scheme of the invention is as follows:
an automatic loading and unloading based bridge crane control system comprises a hanger shell and a rotating shaft arranged on the hanger shell, wherein a lock head for lifting a container is fixedly arranged at the lower end of the rotating shaft, a hydraulic system for driving the rotating shaft to rotate is arranged in an inner cavity of the hanger shell, a partition plate for dividing the inner cavity of the hanger shell into an upper space and a lower space is fixedly arranged in the inner cavity of the hanger shell, the upper end of the rotating shaft penetrates through the partition plate, a switch arranging cavity is arranged on the upper end surface of the lock head, a contact switch is arranged in the switch arranging cavity, a warning component for prompting the completion of self-locking in a box is fixedly arranged on the upper end surface of the hanger shell, a locking groove is formed in the partition plate, a locking component is arranged on the rotating shaft in a sliding manner, an electromagnetic switch is arranged in the inner cavity of the hanger shell, and the locking end of the locking component is inserted into the locking groove when the electromagnetic switch is powered on, when the electromagnetic switch is powered off, the locking end of the locking assembly extends out of the locking groove, a power supply is further arranged in the inner cavity of the lifting appliance shell, and the power supply, the warning assembly, the electromagnetic switch and the contact switch are connected in series.
According to the invention, the contact switch in the lock head is abutted against the inner wall of the lifting lug to control the on-off of the circuit, so that the supply of electric energy of the warning assembly is controlled, whether the lock head is self-locked in the container is prompted to an operator, when the warning assembly does not work, the operation is prompted that the lock head is self-locked outside the container, the lifting of the container is stopped, and the container is prevented from falling off in the operation process;
in the container hoisting process, the electromagnetic switch is powered on, and then magnetic force is generated to attract the locking assembly to extend to the locking groove to lock the rotating shaft, so that the container is prevented from dropping due to misoperation of operators in the container transferring process, and the safety of container operation is improved.
Further, the contact switch comprises a positive contact, a negative contact, a positioning plate, a conducting plate and a first spring, the positioning plate is installed in a switch installation cavity at the lower end of the rotating shaft, the positive contact and the negative contact are installed on the positioning plate and are disconnected from contact, the conducting plate is sleeved on the outer side of the rotating shaft in a sliding mode, and the first spring is installed between the positioning plate and the conducting plate.
Furthermore, the upper side of the lock head is provided with a lifting plate which is sleeved on the rotating shaft in a sliding manner, the conducting plate is fixed on the lower end face of the lifting plate, and the lifting plate slides downwards to the switch arranging cavity to close the contact switch.
Furthermore, a line pipeline for arranging wires is arranged in the rotating shaft, the positive contact is electrically connected with the warning assembly, and the negative contact is electrically connected with the electromagnetic switch.
Furthermore, the shutting subassembly includes lock plate, lock round pin, second spring and restriction lock plate pivoted stop device, the outside of pivot is located to lock plate sliding sleeve, the lock round pin is installed on the lock plate, the first end of second spring is installed on the lock plate, and its other end fixed mounting is in the pivot.
Furthermore, stop device is including fixed limiting plate, guide bar, the limiting plate is fixed to be located in the pivot, the guide bar is fixed to be located on the limiting plate, the guide bar is at least two, the guide bar runs through the upper and lower terminal surface of lock plate.
Further, electromagnetic switch includes mounting bracket, electro-magnet, solenoid, the mounting bracket is fixed on the lower terminal surface of baffle, the electro-magnet is installed on the mounting bracket, solenoid twines on the electro-magnet, electromagnetic switch's the other end and power electric connection.
Further, the warning assembly comprises a warning lamp and a protective cover for protecting the warning lamp.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a cross-sectional view of FIG. 1;
FIG. 4 is an enlarged schematic view of A in FIG. 3;
FIG. 5 is an enlarged view of B in FIG. 3;
FIG. 6 is an enlarged view of C in FIG. 3;
fig. 7 is a circuit diagram of the present invention.
Reference numerals: 1. a hanger case; 10. a partition plate; 2. a rotating shaft; 20. a line pipe; 21. a lock head; 22. a switch installation cavity; 30. a hydraulic cylinder; 31. a connecting member; 4. a contact switch; 41. positioning a plate; 42. a positive electrode contact; 43. a negative contact; 44. a lifting plate; 45. a conductive sheet; 46. a first spring; 5. a locking assembly; 51. a limiting plate; 52. a guide bar; 53. a lock plate; 54. a second spring; 55. a locking pin; 56. a locking groove; 6. an electromagnetic switch; 61. a mounting frame; 62. an electromagnet; 63. an electromagnetic coil; 7. a warning component; 71. a protective cover; 72. a warning light; 8. a power source.
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):
the embodiment provides an automatic loading and unloading-based bridge crane control system which is mainly used for being installed on a lifting appliance of a bridge crane, preventing self-locking outside a container from appearing and improving the safety of container operation.
The lifting appliance comprises a lifting appliance shell 1 and a rotating shaft 2 arranged on the lifting appliance shell 1, wherein a lock 21 for lifting a container is fixedly arranged at the lower end of the rotating shaft 2, a hydraulic system for driving the rotating shaft 2 to rotate is arranged in an inner cavity of the lifting appliance shell 1, the rotating shaft 2 is fixedly provided with a connecting piece 31, the extending direction of a hydraulic rod in the hydraulic cylinder 30 deviates from the axis center of the rotating shaft 2, the hydraulic rod of the hydraulic cylinder 30 is hinged with one end of the connecting piece 31, the telescopic pushing of the hydraulic rod pushes the connecting piece 31 to rotate synchronously with the rotating shaft 2, a partition plate 10 for separating the inner cavity of the lifting appliance shell 1 into an upper space and a lower space is fixedly arranged in the inner cavity of the lifting appliance shell 1, the upper end of the rotating shaft 2 penetrates through the partition plate 10, a switch accommodating cavity 22 is arranged on the upper end face of the lock 21, and a contact switch 4 is arranged in the switch accommodating cavity 22, the fixed warning subassembly 7 that is used for the suggestion incasement auto-lock to accomplish that is equipped with of hoist casing 1's up end, locking groove 56 has been seted up on the baffle 10, it is equipped with shutting subassembly 5 to slide on the pivot 2, be equipped with electromagnetic switch 6 in the inner chamber of hoist casing 1, when electromagnetic switch 6 circular telegram, the locking end of shutting subassembly 5 inserts extremely in the locking groove 56, when electromagnetic switch 6 cuts off the power supply, the locking end of shutting subassembly 5 extends locking groove 56, as shown in fig. 1 and 7, still be equipped with power 8 in the inner chamber of hoist casing 1, power 8, warning subassembly 7, electromagnetic switch 6, contact switch 4 series connection.
Specifically, the method comprises the following steps: when the container is hoisted: when the lifting appliance is moved downwards to enable the lock 21 to extend into the inner cavity of the lifting lug of the container, the hydraulic cylinder 30 is driven to extend the hydraulic rod, so that the connecting piece 31 is driven to rotate, the lock 21 is driven to rotate, and the lock 21 is locked with the lifting lug of the container to finish lifting and taking of the container; disassembling the container: after the container is placed stably, the lock 21 continues to move downwards for a certain distance, the hydraulic cylinder 30 is driven to retract the hydraulic rod, the rotating shaft 2 and the lock 21 are driven to rotate at the moment, the lock 21 is matched with the opening of the lifting lug of the container, the lifting appliance is extracted, and the container is disassembled.
In order to realize the opening and closing of the contact switch 4, as shown in fig. 5, the contact switch 4 includes a positive contact 42, a negative contact 43, a positioning plate 41, a conductive plate 45, and a first spring 46, the positioning plate 41 is installed in the switch installation cavity 22 at the lower end of the rotating shaft 2, the positive contact 42 and the negative contact 43 are both installed on the positioning plate 41 and are disconnected from each other, the conductive plate 45 is slidably sleeved on the outer side of the rotating shaft 2, the first spring 46 is installed between the positioning plate 41 and the conductive plate 45, a lifting plate 44 sleeved on the rotating shaft 2 is slidably disposed on the upper side of the lock head 21, the conductive plate 45 is fixed on the lower end surface of the lifting plate 44, and the lifting plate 44 slides downward into the switch installation cavity 22 to close the contact switch 4.
Through the above setting, when tapered end 21 inserts the inner chamber to the container lug, realize the locking of tapered end 21 and lug through hydraulic system, slowly promote the hoist, make the upper wall butt of lifter plate 44 and lug inner chamber this moment, and then promote conducting strip 45 to remove and settle chamber 22 and contact with anodal contact 42 and negative pole contact 43 simultaneously to the switch, realize contact switch's closure, after the container is transported and is finished, the hoist moves down, and then drive tapered end 21 downstream, first spring 46 promotes conducting strip 45 rebound, and make conducting strip 45 break off and contact with anodal contact 42 and negative pole contact 43, realize opening of contact switch 4.
In order to protect the lines in the series connection, in the embodiment, as shown in fig. 3, 4 and 5, the rotating shaft 2 is internally provided with the line pipeline 20 for winding, the positive contact 42 is electrically connected with the warning component 7, and the negative contact 43 is electrically connected with the electromagnetic switch 6.
Through the above arrangement, the line pipeline 20 stores the wires in the circuit connection, so that the wires are prevented from being worn in the rotation process of the rotating shaft 2, and the service life of the wires can be prolonged.
In this embodiment, as shown in fig. 4, the locking assembly 5 includes a locking plate 53, a locking pin 55, a second spring 54, and a limiting device for limiting rotation of the locking plate 53, the locking pin 55 is made of high carbon steel, the locking plate 53 is slidably sleeved on the outer side of the rotating shaft 2, the locking pin 55 is installed on the locking plate 53, a first end of the second spring 54 is installed on the locking plate 53, and the other end of the second spring is fixedly installed on the rotating shaft 2.
Through the above arrangement, when the electromagnetic switch 6 is closed, the electromagnetic switch 6 generates magnetic force at this moment, and then attracts the locking pin 55 to move downwards, and then drives the locking plate 53 to rotate along the rotating shaft and stretch the second spring 54, so that the locking pin 55 extends into the locking groove 56, the rotation of the rotating shaft 2 is limited through the cooperation of the locking pin 55 and the limiting device, when the electromagnetic switch 6 is opened, the magnetic force disappears at this moment, the locking pin 55 and the locking plate 53 reset under the tension of the second spring 54, and then the locking of the rotating shaft 2 is released.
In order to limit the rotation of the locking plate 53, in this embodiment, as shown in fig. 4, the limiting device includes a limiting plate 51 and at least two guide rods 52, the limiting plate 51 is fixedly disposed on the rotating shaft 2, the guide rods 52 are fixedly disposed on the limiting plate 51, and the guide rods 52 penetrate through the upper and lower end surfaces of the locking plate 53.
With the above arrangement, since the stopper plate 51 is fixed to the rotary shaft 2, the lock plate 53 slides up and down along the guide rod 52, and since at least two guide rods 52 are provided, the rotation of the lock plate 53 is restricted.
In order to attract the locking pin 55, in the embodiment, as shown in fig. 4, the electromagnetic switch 6 includes a mounting bracket 61, an electromagnet 62, and an electromagnetic coil 63, the mounting bracket 61 is fixed on the lower end surface of the partition board 10, the electromagnet 62 is mounted on the mounting bracket 61, the electromagnetic coil 63 is wound on the electromagnet 62, and the other end of the electromagnetic switch 6 is electrically connected to the power supply 8.
With the above arrangement, when the contact switch 4 is closed, the power supply 8 energizes the electromagnetic coil 63, so that the electromagnet 62 generates magnetic force to attract the lock pin 55 to move into the lock groove 56, and when the contact switch 4 is opened, the magnetic force of the electromagnet 62 disappears, and at this time, the elastic force of the second spring 54 drives the lock pin 55 to disengage from the lock groove 56.
In order to prompt the self-locking in the box, in the embodiment, as shown in fig. 6, the warning assembly 7 includes a warning light 72, and a protective cover 71 for protecting the warning light 72.
Through the arrangement, when the contact switch 4 is closed, the circuit is conducted, the warning lamp 72 supplies power, and then the lock head is prompted to an operator to realize self-locking in the box.
The implementation principle is as follows: extending a lock 21 of the hanger into an inner cavity of a container lifting lug, driving a hydraulic cylinder 30 to realize extension of a hydraulic rod, further driving a rotating shaft 2 and the lock 21 to rotate, further adjusting the position of the lock 21 to realize locking of the lock 21 and the container lifting lug, lifting the hanger, moving the lock 21 upwards for a certain distance, further realizing abutting of a lifting plate 44 and an upper wall of the inner cavity of the lifting lug, further compressing a first spring 46, simultaneously contacting a conducting plate 45 with a positive contact 42 and a negative contact 43 to realize closing of a contact switch 4, conducting a circuit at the moment, lighting a warning lamp 72, further prompting an operator that the lock 21 completes in-box self-locking, supplying power to an electromagnetic coil 63 by a power supply 8 when the circuit is conducted, further enabling an electromagnet 62 to generate magnetic force, further attracting a locking pin 55 to extend into a locking groove 56 and pulling a second spring 54 to extend, and utilizing matching of the locking pin 55 and a limiting device, the rotation of restriction pivot 2, and then prevent that the container from causing the rotation of tapered end 21 at the operation personnel maloperation in the transportation, and then prevent dropping of operation in-process container, can indicate the emergence of the outer auto-lock of case to operating personnel simultaneously, avoid the container to take place the skew when hanging and get, improved container moving security.
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 (8)
1. The utility model provides an bridging control system based on auto-control handling, includes hoist casing (1) and installs pivot (2) on hoist casing (1), pivot (2) lower extreme fixed mounting has the tapered end (21) of hanging and getting the container, be equipped with drive pivot (2) pivoted hydraulic system, its characterized in that in the inner chamber of hoist casing (1): a partition plate (10) which divides the inner cavity of the lifting appliance shell (1) into an upper space and a lower space is fixedly arranged in the inner cavity of the lifting appliance shell (1), the partition plate (10) penetrates through the upper end of the rotating shaft (2), a switch accommodating cavity (22) is arranged on the upper end face of the lock head (21), a contact switch (4) is arranged in the switch accommodating cavity (22), a warning assembly (7) for prompting the completion of self-locking in the box is fixedly arranged on the upper end face of the lifting appliance shell (1), a locking groove (56) is formed in the partition plate (10), a locking assembly (5) is arranged on the rotating shaft (2) in a sliding manner, an electromagnetic switch (6) is arranged in the inner cavity of the lifting appliance shell (1), when the electromagnetic switch (6) is powered on, the locking end of the locking assembly (5) is inserted into the locking groove (56), and when the electromagnetic switch (6) is powered off, the locking end of the locking assembly (5) extends out of the locking groove (56), still be equipped with power (8) in the inner chamber of hoist casing (1), power (8), warning subassembly (7), electromagnetic switch (6), contact switch (4) series connection.
2. An auto-handling based bridge crane control system according to claim 1, wherein: contact switch (4) include anodal contact (42), negative pole contact (43), locating plate (41), conducting strip (45), first spring (46), install in switch arrangement chamber (22) of pivot (2) lower extreme locating plate (41), anodal contact (42), negative pole contact (43) are all installed on locating plate (41) and break off contact, the outside of pivot (2) is located to conducting strip (45) slip cap, first spring (46) are installed between locating plate (41) and conducting strip (45).
3. An auto-handling based bridge crane control system according to claim 2, wherein: the upper side of the lock head (21) is provided with a lifting plate (44) which is sleeved on the rotating shaft (2) in a sliding mode, the conducting plate (45) is fixed to the lower end face of the lifting plate (44), and the lifting plate (44) slides downwards to the switch arranging cavity (22) to enable the contact switch (4) to be closed.
4. An auto-handling based bridge crane control system according to claim 2, wherein: a line pipeline (20) for arranging wires is arranged in the rotating shaft (2), the positive contact (42) is electrically connected with the warning component (7), and the negative contact (43) is electrically connected with the electromagnetic switch (6).
5. An auto-handling based bridge crane control system according to claim 1, wherein: the locking assembly (5) comprises a locking plate (53), a locking pin (55), a second spring (54) and a limiting device for limiting the rotation of the locking plate (53), the locking plate (53) is slidably sleeved on the outer side of the rotating shaft (2), the locking pin (55) is installed on the locking plate (53), the first end of the second spring (54) is installed on the locking plate (53), and the other end of the second spring is fixedly installed on the rotating shaft (2).
6. An auto-handling based bridge crane control system according to claim 5, wherein: stop device is including fixed limiting plate (51), guide bar (52), limiting plate (51) are fixed to be located on pivot (2), guide bar (52) are fixed to be located on limiting plate (51), at least two guide bar (52), guide bar (52) run through the upper and lower terminal surface of lock plate (53).
7. An auto-handling based bridge crane control system according to claim 1, wherein: electromagnetic switch (6) include mounting bracket (61), electro-magnet (62), solenoid (63), mounting bracket (61) are fixed on the lower terminal surface of baffle (10), electro-magnet (62) are installed on mounting bracket (61), solenoid (63) twine on electro-magnet (62), the other end and power (8) electric connection of electromagnetic switch (6).
8. An auto-handling based bridge crane control system according to claim 1, wherein: the warning assembly (7) comprises a warning lamp (72) and a protective cover (71) for protecting the warning lamp (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234142.0A CN113928984B (en) | 2021-10-22 | 2021-10-22 | Bridge crane control system based on automatic loading and unloading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111234142.0A CN113928984B (en) | 2021-10-22 | 2021-10-22 | Bridge crane control system based on automatic loading and unloading |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113928984A true CN113928984A (en) | 2022-01-14 |
| CN113928984B CN113928984B (en) | 2023-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111234142.0A Active CN113928984B (en) | 2021-10-22 | 2021-10-22 | Bridge crane control system based on automatic loading and unloading |
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Citations (6)
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|---|---|---|---|---|
| JP2006273100A (en) * | 2005-03-29 | 2006-10-12 | Mitsui Eng & Shipbuild Co Ltd | Chassis for container |
| CN101823607A (en) * | 2010-05-13 | 2010-09-08 | 南车眉山车辆有限公司 | Full-automatic spin lock for container |
| CN202322038U (en) * | 2011-10-18 | 2012-07-11 | 瓮福（集团）有限责任公司 | Opening and closing detection device of container spreader spin lock |
| CN208054746U (en) * | 2018-03-26 | 2018-11-06 | 杭叉集团股份有限公司 | The front handling mobile crane unbalance loading weighing system that can remotely monitor |
| 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 |
| CN113511593A (en) * | 2021-08-23 | 2021-10-19 | 宁波北仑第三集装箱码头有限公司 | Hoist control system of integrated bridge crane |
-
2021
- 2021-10-22 CN CN202111234142.0A patent/CN113928984B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006273100A (en) * | 2005-03-29 | 2006-10-12 | Mitsui Eng & Shipbuild Co Ltd | Chassis for container |
| CN101823607A (en) * | 2010-05-13 | 2010-09-08 | 南车眉山车辆有限公司 | Full-automatic spin lock for container |
| CN202322038U (en) * | 2011-10-18 | 2012-07-11 | 瓮福（集团）有限责任公司 | Opening and closing detection device of container spreader spin lock |
| CN208054746U (en) * | 2018-03-26 | 2018-11-06 | 杭叉集团股份有限公司 | The front handling mobile crane unbalance loading weighing system that can remotely monitor |
| 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 |
| CN113511593A (en) * | 2021-08-23 | 2021-10-19 | 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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| Publication number | Publication date |
|---|---|
| CN113928984B (en) | 2023-11-14 |
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