CN215854707U - Automatic traction device and system of rail crane - Google Patents
Automatic traction device and system of rail crane Download PDFInfo
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- CN215854707U CN215854707U CN202121821122.9U CN202121821122U CN215854707U CN 215854707 U CN215854707 U CN 215854707U CN 202121821122 U CN202121821122 U CN 202121821122U CN 215854707 U CN215854707 U CN 215854707U
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Abstract
The utility model discloses an automatic traction device and system of a rail crane, wherein the traction device comprises: the device comprises a first coupler unit, a second coupler unit, a first electric connection unit, a second electric connection unit and a connection detection unit. The first car hook unit can be connected with the second car hook unit in a hanging mode, the second electric connection unit can stretch out and is in contact with the first electric connection unit to achieve electric connection, after the connection detection unit detects that the first car hook unit and the second car hook unit are connected successfully, a stretching instruction is sent to the second electric connection unit, the second electric connection unit stretches out and is in contact with the first electric connection unit to achieve electric connection, and after the electric connection is successful, the crane with the fault can be controlled. The automatic traction device and the system for the rail crane can realize automatic connection of a normal crane and a fault crane, do not need workers to enter an operation field, and are good in safety and high in efficiency.
Description
Technical Field
The utility model relates to the field of mobile cranes, in particular to an automatic traction device and system of a rail crane.
Background
At the operation site of a port and a wharf, a plurality of rail-type mobile cranes are generally used for lifting containers. When one of the cranes has a fault, the crane with the fault needs to be dragged away quickly so as to avoid affecting the work of other cranes. The method in the prior art comprises the following steps: when a fault occurs in one crane, a worker comes to the site, the fault crane is connected with the adjacent normal crane by using the hook and the steel wire rope, then the brake of the fault crane is manually opened, and the normal crane drags the fault crane to leave the operation site.
The existing operation field is generally a totally closed area, unmanned operation is realized, safety risk exists when workers enter the operation field, and the efficiency of connecting a fault crane and a normal crane in a manual mode is low.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the automatic traction device of the rail crane can realize automatic connection and electric connection between a fault crane and a normal crane, does not need workers to enter an operation field, and is good in safety and high in efficiency.
The utility model relates to an automatic traction device of a rail crane, which comprises: the vehicle-mounted device comprises a first vehicle hook unit, a second vehicle hook unit which can be connected with the first vehicle hook unit, a first electric connection unit, a second electric connection unit which can extend out and is electrically connected with the first electric connection unit, and a connection detection unit; the connection detection unit is electrically connected with the second electric connection unit, and after detecting that the first coupler unit and the second coupler unit are successfully connected, the connection detection unit sends an extending instruction to the second electric connection unit, and the second electric connection unit extends out and is in contact with the first electric connection unit to realize electric connection.
Further, the connection detection unit comprises a second control unit, a reflection plate arranged on the first coupler unit and a photoelectric distance sensor arranged on the second coupler unit, the second control unit is electrically connected with the photoelectric distance sensor and the second electric connection unit respectively, the photoelectric distance sensor detects the distance between the photoelectric distance sensor and the reflection plate and sends the distance value to the second control unit, the second control unit compares the distance value with a set value, when the distance value is smaller than the set value, the second control unit sends a stretching instruction to the second electric connection unit, and the second electric connection unit stretches out and is electrically connected with the first electric connection unit.
Further, the first electrical connection unit comprises a first mounting frame and a first connector assembly, and the first connector assembly is mounted on the first mounting frame; the second electric connection unit comprises a motor, a linear driving mechanism and a second plug assembly matched with the first plug assembly, the motor is in transmission connection with the linear driving mechanism, the second plug assembly is connected with the extending part of the linear driving mechanism, and the motor is electrically connected with the second control unit.
Further, first electric connection unit still includes the spring, the spring coupling connect between first mounting bracket and the first subassembly of inserting, linear drive mechanism is ball screw mechanism.
Further, the first vehicle hook unit comprises a first hook body, a first knuckle rotating pin, a first knuckle lock pin and a first connecting rod, wherein the first knuckle is rotatably installed on the first hook body through the first knuckle rotating pin, the first knuckle lock pin is arranged on the first hook body, and the first connecting rod is connected with the first hook body; the second coupler unit comprises a second coupler body, a second coupler knuckle rotating pin, a second coupler knuckle lock pin and a second connecting rod, the second coupler knuckle is rotatably installed on the second coupler body through the second coupler knuckle rotating pin, the second coupler knuckle lock pin is arranged on the second coupler body, and the second connecting rod is connected with the second coupler body.
Further, the automatic traction device of the rail crane further comprises a first mounting seat, a second mounting seat, a first buffer and a second buffer, wherein the first coupler unit, the first electric connection unit and the first buffer are all mounted on the first mounting seat, the first coupler unit is connected with the first buffer, the second coupler unit, the second electric connection unit and the second buffer are all mounted on the second mounting seat, and the second coupler unit is connected with the second buffer.
Furthermore, the first connector assembly comprises a first connector and two second guide sleeves, the first connector is located between the two second guide sleeves, the second connector assembly comprises a second connector matched with the first connector and two second guide columns respectively matched with the two second guide sleeves, the second connector is located between the two second guide columns, and when the first connector and the second connector are spliced together, the two second guide columns are respectively inserted into the two second guide sleeves.
Furthermore, the first connector assembly further comprises a plurality of first guide posts surrounding the first connector, the plurality of first guide posts are located between the two second guide sleeves, the second connector assembly further comprises a plurality of first guide sleeves surrounding the second connector, the first guide posts are matched with the first guide sleeves, and when the first connector is plugged together with the second connector, the plurality of first guide posts are respectively inserted into the plurality of first guide sleeves.
Furthermore, the first connector and the second connector are both square, the number of the first guide posts is four, the four first guide posts are arranged around the first connector in a square mode, the number of the first guide sleeves is four, and the four first guide sleeves are arranged around the second connector in a square mode.
The utility model also provides an automatic traction system of the rail crane, which comprises: the first control unit, the first coupler unit and the first electric connection unit are arranged on the passive crane, and the second control unit, the second coupler unit and the second electric connection unit are arranged on the active crane; after the first coupler unit and the second coupler unit are successfully connected, the second control unit sends a moving instruction to the first control unit through the second electric connection unit and the first electric connection unit after detecting that the active crane starts to move, and the first control unit controls a brake of the passive crane to be opened after receiving the moving instruction.
Has the advantages that:
according to the automatic traction device and system for the rail crane, the first car hook unit, the second car hook unit, the first electric connection unit, the second electric connection unit and the connection detection unit are arranged, so that automatic connection and power supply between a fault crane (a passive crane) and a normal crane (an active crane) can be realized, the fault crane can be controlled, and the normal crane can drag the fault crane to move.
Specifically, when the fault crane needs to be dragged away, a worker remotely controls the normal crane to move towards the fault crane, so that the first coupler unit and the second coupler unit are mutually connected, and after the first coupler unit and the second coupler unit are successfully connected, the second electric connection unit stretches out and contacts with the first electric connection unit to realize electric connection, and electric energy and signal transmission can be carried out between the first electric connection unit and the second electric connection unit. Then, the worker remotely controls the normal crane to move in the opposite direction, the second control unit sends a moving instruction to the first control unit through the second electric connection unit and the first electric connection unit after detecting that the active crane starts to move, the first control unit controls the brake of the passive crane to be opened after receiving the moving instruction, and then the normal crane can drag the fault crane to a position where the work of other cranes is not influenced. In the process, workers do not need to go to the site, so that the safety is good, and the efficiency is high.
Drawings
FIG. 1 is a schematic view of an automatic traction device of a rail-mounted crane according to one embodiment of the present invention;
FIG. 2 is a schematic view of a first electrical connection unit and a second electrical connection unit of one embodiment of the present invention;
FIG. 3 is a schematic view of a first coupler unit in accordance with one embodiment of the present invention;
FIG. 4 is a schematic view of a second coupler unit in accordance with one embodiment of the present invention;
FIG. 5A is a schematic illustration of two coupler units in a fully open state in accordance with one embodiment of the present invention;
FIG. 5B is a schematic illustration of two coupler units in a latched state in accordance with one embodiment of the present invention;
FIG. 5C is a schematic illustration of two coupler units in an unlocked state in accordance with one embodiment of the present invention;
FIG. 6 is a schematic diagram of a normal crane towing a failed crane in one embodiment of the present invention;
fig. 7 is a control schematic diagram of an automatic traction device of a rail crane according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the structures or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified. In the description of the present specification, the terms "mounting," "setting," "connecting," and the like are to be understood broadly, and may be direct mounting, setting, or connecting, or may be indirect mounting, setting, or connecting, where "connecting" may be a mechanical connection, an electrical connection, or a transmission connection that enables power transmission, and the electrical connection may be a contact connection, a wired connection, or a wireless connection. In addition, the features defined as "first" and "second" are for descriptive convenience only and do not imply primary and secondary relationships between the two or whichever is more important.
An automatic traction apparatus 100 for a rail-mounted crane and an automatic traction system for a rail-mounted crane according to an embodiment of the present invention will be described with reference to fig. 1 to 7. The crane may be remotely controlled by a worker over a network to move or stop on the track 400, such as over an industrial ethernet network. After the crane stops at a certain position, the brake on the crane is closed, namely the brake plays a braking role, and when the crane is ready to move, the brake needs to be opened. In the embodiment of the present invention, the passive crane is the fault crane 200, and the active crane is the normal crane 300.
The automatic traction device 100 of the rail crane according to one embodiment of the present invention includes: a first coupler unit 30, a second coupler unit 40, a first electrical connection unit 50, a second electrical connection unit 60, and a hitch detection unit. The first hook unit 30 may be coupled to the second hook unit 40, the second electrical connection unit 60 may be extended and contacted to the first electrical connection unit 50 to achieve electrical connection, and the coupling detection unit may function to detect whether the coupling of the first hook unit 30 and the second hook unit 40 is successful.
The connection detection unit is electrically connected with the second electrical connection unit 60, when the connection detection unit detects that the first coupler unit 30 and the second coupler unit 40 are successfully connected, an extending instruction is sent to the second electrical connection unit 60, the second electrical connection unit 60 extends out and is in contact with the first electrical connection unit 50 to achieve electrical connection, after the electrical connection is successful, the normal crane can provide electric energy for the fault crane, and signal transmission can be carried out between the normal crane and the fault crane to control the fault crane.
The specific structure of the hitch detection unit may be various as long as the hitch detection of the first coupler unit 30 and the second coupler unit 40 can be achieved. In one embodiment, the hitch detection unit includes a second control unit 20, a reflection plate 11 disposed on the first coupler unit 30, and a photoelectric distance sensor 12 disposed on the second coupler unit 40, the second control unit 20 is electrically connected to the photoelectric distance sensor 12 and the second electrical connection unit 60, respectively, the photoelectric distance sensor 12 detects a distance between itself and the reflection plate 11 and transmits a distance value to the second control unit 20, the second control unit 20 compares the distance value with a set value, when the distance value is less than the set value, the second control unit 20 transmits an extension instruction to the second electrical connection unit 60, and the second electrical connection unit 60 extends and is electrically connected to the first electrical connection unit 50.
The set point can be determined by a number of tests. For example, after the reflecting plate 11 and the photoelectric distance sensor 12 are mounted, after a plurality of tests, after the first coupler unit 30 and the second coupler unit 40 are successfully coupled, the distance between the reflecting plate 11 and the photoelectric distance sensor 12 is about 180 mm, and the set value may be set to 200 mm. Of course, other settings may be used.
In one embodiment, the first vehicle hook unit 30 includes a first hook body 31, a first knuckle 32, a first knuckle turning pin 33, a first knuckle lock pin 34, and a first link 35, the first knuckle 32 is rotatably mounted on the first hook body 31 by the first knuckle turning pin 33, the first knuckle lock pin 34 is disposed on the first hook body 31, and the first link 35 is connected to the first hook body 31. The second coupler unit 40 includes a second coupler body 41, a second coupler knuckle 42, a second coupler knuckle rotating pin 43, a second coupler knuckle lock pin 44, and a second link 45, the second coupler knuckle 42 is rotatably mounted on the second coupler body 41 by the second coupler knuckle rotating pin 43, the second coupler knuckle lock pin 44 is disposed on the second coupler body 41, and the second link 45 is connected to the second coupler body 41.
The first and second coupler units 30 and 40 have three states therebetween, which are: a fully open state, a locked state, and an unlocked state. The fully open state is shown in fig. 5A, where the first and second coupler units 30 and 40 are fully separated and the first and second knuckles 32 and 42 are rotated to the open position. The locked state is shown in fig. 5B, in which the first knuckle 32 is engaged with the second knuckle 42, the first knuckle 32 is blocked by the first knuckle lock pin 34 and cannot rotate, and the second knuckle 42 is blocked by the second knuckle lock pin 44 and cannot rotate, and the successful coupling of the first hook unit 30 and the second hook unit 40 means that the first hook unit 30 and the second hook unit 40 are in the locked state. The unlocked state is shown in fig. 5C, in which one of the coupler knuckle lock pins is lifted and the corresponding coupler knuckle is not caught by the coupler knuckle lock pin, and when an external force pulls the first vehicle hook unit 30 or the second vehicle hook unit 40, the caught coupler knuckle rotates, thereby disengaging the first coupler knuckle 32 and the second coupler knuckle 42.
Of course, the first coupler unit 30 and the second coupler unit 40 may be other types of automatic couplers to realize automatic coupling of the two coupler units, and the present invention is not limited thereto.
In one embodiment, the automatic traction device 100 of the rail crane further comprises a first mounting seat 71, a second mounting seat 72, a first buffer 73 and a second buffer 74. The first coupler unit 30, the first electrical connection unit 50 and the first buffer 73 are all mounted on the first mounting seat 71, the first coupler unit 30 is connected to the first buffer 73, and the first mounting seat 71 can be mounted on the breakdown crane 200. The second hook unit 40, the second electrical connection unit 60 and the second buffer 74 are all mounted on the second mount 72, the second hook unit 40 is connected to the second buffer 74, and the second mount 72 is mountable to the normal crane 300. Since an impact may be generated during the coupling of the first hook unit 30 and the second hook unit 40, the impact can be alleviated by providing the first buffer 73 and the second buffer 74, and the first hook unit 30 and the second hook unit 40 can be prevented from being damaged. The buffer can adopt a spring buffer or an oil buffer.
The first control unit and the second control unit 20 may be PLC or other components having control functions.
In one embodiment, the first electrical connection unit 50 includes a first mounting bracket 51, a first connector assembly, and a spring 52, the spring 52 being connected between the first mounting bracket 51 and the first connector assembly. The springs 52 may be provided in plural, for example, four springs 52 being arranged in a square. The second electrical connection unit 60 includes a motor 61, a linear drive mechanism 62 and a second connector assembly that mates with the first connector assembly. The motor 61 is in transmission connection with the linear driving mechanism 62, that is, the motor 61 can drive the extension part of the linear driving mechanism 62 to extend or retract when rotating, the motor 61 is electrically connected with the second control unit 20, and the motor 61 can be a speed reduction motor 61 with a speed reducer. The second connector assembly is connected, for example fixedly or rotatably, to an extension of the linear drive mechanism 62. When the first and second connector assemblies are plugged together, the first and second electrical connection units 50 and 60 are electrically connected. The spring 52 primarily serves as a buffer to prevent the first connector assembly from being excessively plugged with the second connector assembly, which may result in damage. When the second electrical connection unit 60 is required to extend, the second control unit 20 sends a start signal to the motor 61, the motor 61 starts to rotate to drive the linear driving mechanism 62, and the extension portion of the linear driving mechanism 62 extends to drive the second plug-in component to extend. The linear drive mechanism 62 may be a ball screw mechanism or other mechanism having a linear motion function.
Specifically, the second electrical connection unit 60 further includes a link 63, the second connector assembly is rotatably connected to the extension of the linear driving mechanism 62, one end of the link 63 is rotatably connected to the linear driving mechanism 62, and the other end of the link 63 is rotatably connected to the second connector assembly. The link 63 may be a telescopic rod.
In one embodiment, the first connector assembly includes a first connector 53 and a plurality of first guide posts 54 surrounding the first connector 53, the second connector assembly includes a second connector 64 fitted to the first connector 53 and a plurality of first guide sleeves 65 surrounding the second connector 64, the first guide posts 54 are fitted to the first guide sleeves 65, and the plurality of first guide posts 54 are inserted into the plurality of first guide sleeves 65, respectively, when the first connector 53 is mated with the second connector 64. The first connector 53 and the second connector 64 are both square, specifically, four first guide posts 54 are provided, four first guide posts 54 are arranged around the first connector 53, four first guide sleeves 65 are provided, and four first guide sleeves 65 are arranged around the second connector 64. When the first connector 53 and the second connector 64 are plugged together, the four first guide posts 54 are inserted into the four first guide sleeves 65, respectively. The purpose of the first guide post 54 and the first guide sleeve 65 is to guide the first connector 53 and the second connector 64 and prevent the first connector 53 and the second connector 64 from being misaligned. The spring 52 also has a function of auxiliary guide, and when the first guide post 54 and the first guide sleeve 65 are not completely aligned, the first guide post 54 can be adjusted in position by the deformation of the spring 52, so that the first guide post 54 can be smoothly inserted into the first guide sleeve 65.
In one embodiment, the first connector assembly further includes two second guide sleeves 55, the plurality of first guide posts 54 are located between the two second guide sleeves 55, the second connector assembly further includes two second guide posts 66 respectively fitted to the two second guide sleeves 55, the plurality of first guide sleeves 65 are located between the two second guide posts 66, and the two second guide posts 66 are respectively inserted into the two second guide sleeves 55 when the first connector 53 and the second connector 64 are mated together. Illustratively, the guide sleeve is a structure with a hole therein to allow insertion of the guide post. The second guide post 66 and the second guide sleeve 55 are provided for guiding the first connector 53 and the second connector 64 to prevent the first connector 53 and the second connector 64 from being misaligned. The spring 52 also has a function of auxiliary guide, and when the second guide sleeve 55 is not completely aligned with the second guide post 66, the second guide sleeve 55 can be adjusted in position by the deformation of the spring 52, so that the second guide post 66 can be smoothly inserted into the second guide sleeve 55.
The automatic traction system of the rail crane in one embodiment of the utility model comprises: the first control unit, the first coupler unit and the first electric connection unit are arranged on the passive crane, and the second control unit, the second coupler unit and the second electric connection unit are arranged on the active crane.
In the working process, when the fault crane 200 needs to be dragged away, a worker remotely controls the normal crane 300 to move towards the fault crane 200 through the industrial ethernet, along with the movement of the normal crane 300 towards the fault crane 200, the second coupler unit 40 approaches to the first coupler unit 30 and is connected with the first coupler unit 30, the second control unit 20 receives and judges the distance value sent by the photoelectric distance sensor 12, when the distance value is smaller than a set value, the first coupler unit 30 is successfully connected with the second coupler unit 40, the second control unit 20 sends a starting signal to the motor 61, the motor 61 starts to rotate to drive the linear driving mechanism 62, the extending part of the linear driving mechanism 62 extends to drive the second plug-in component to extend, so that the first plug-in component 53 and the second plug-in component 64 are plugged together to realize electric connection. Then, the worker remotely controls the normal crane 300 to move in the opposite direction (the brake is turned on), after the second control unit detects that the normal crane 300 starts to move, the second control unit sends a moving instruction to the first control unit through the second electrical connection unit and the first electrical connection unit, after the first control unit receives the moving instruction, the brake of the fault crane 200 is controlled to be turned on, and then the normal crane 300 can drag the fault crane 200 to a position where the work of other cranes is not affected. In the process, workers do not need to go to the site, so that the safety is good, and the efficiency is high.
In order to make the traction of the failed crane 200 smoother, two rail-type crane automatic traction apparatuses 100 may be provided between the two cranes, as shown in fig. 6.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An automatic traction device of a rail crane is characterized by comprising: the vehicle-mounted device comprises a first vehicle hook unit, a second vehicle hook unit which can be connected with the first vehicle hook unit, a first electric connection unit, a second electric connection unit which can extend out and is electrically connected with the first electric connection unit, and a connection detection unit;
the connection detection unit is electrically connected with the second electric connection unit, and after detecting that the first coupler unit and the second coupler unit are successfully connected, the connection detection unit sends an extending instruction to the second electric connection unit, and the second electric connection unit extends out and is in contact with the first electric connection unit to realize electric connection.
2. The automatic traction device of a rail crane according to claim 1, wherein the hitch detection unit comprises a second control unit, a reflection plate provided on the first coupler unit, and an electro-optical distance sensor provided on the second coupler unit, the second control unit is electrically connected to the electro-optical distance sensor and the second electrical connection unit, respectively, the electro-optical distance sensor detects a distance between itself and the reflection plate and transmits a distance value to the second control unit, the second control unit compares the distance value with a set value, and when the distance value is smaller than the set value, the second control unit issues an extension instruction to the second electrical connection unit, and the second electrical connection unit extends and is electrically connected to the first electrical connection unit.
3. The automatic traction device of a rail crane according to claim 2, wherein the first electrical connection unit comprises a first mounting bracket and a first connector assembly, the first connector assembly being mounted on the first mounting bracket; the second electric connection unit comprises a motor, a linear driving mechanism and a second plug assembly matched with the first plug assembly, the motor is in transmission connection with the linear driving mechanism, the second plug assembly is connected with the extending part of the linear driving mechanism, and the motor is electrically connected with the second control unit.
4. The automatic traction device of a rail-mounted crane according to claim 3, wherein the first electrical connection unit further comprises a spring connected between the first mounting bracket and the first connector assembly, and the linear driving mechanism is a ball screw mechanism.
5. The automatic traction device of a rail crane according to claim 2, wherein the first hook unit comprises a first hook body, a first knuckle rotation pin, a first knuckle lock pin, and a first link, the first knuckle is rotatably mounted on the first hook body by the first knuckle rotation pin, the first knuckle lock pin is provided on the first hook body, and the first link is connected to the first hook body; the second coupler unit comprises a second coupler body, a second coupler knuckle rotating pin, a second coupler knuckle lock pin and a second connecting rod, the second coupler knuckle is rotatably installed on the second coupler body through the second coupler knuckle rotating pin, the second coupler knuckle lock pin is arranged on the second coupler body, and the second connecting rod is connected with the second coupler body.
6. The automatic traction device of a rail-type crane according to claim 2, further comprising a first mounting seat, a second mounting seat, a first buffer and a second buffer, wherein the first coupler unit, the first electrical connection unit and the first buffer are mounted on the first mounting seat, the first coupler unit is connected to the first buffer, the second coupler unit, the second electrical connection unit and the second buffer are mounted on the second mounting seat, and the second coupler unit is connected to the second buffer.
7. The automatic traction device for a rail crane according to claim 3, wherein the first connector assembly comprises a first connector and two second guide sleeves, the first connector is located between the two second guide sleeves, the second connector assembly comprises a second connector adapted to the first connector and two second guide posts respectively adapted to the two second guide sleeves, the second connector is located between the two second guide posts, and when the first connector and the second connector are plugged together, the two second guide posts are respectively inserted into the two second guide sleeves.
8. The automatic traction device for a rail-mounted crane according to claim 7, wherein the first connector assembly further comprises a plurality of first guide posts surrounding the first connector, the plurality of first guide posts being disposed between the two second guide sleeves, the second connector assembly further comprises a plurality of first guide sleeves surrounding the second connector, the first guide posts are fitted with the first guide sleeves, and when the first connector and the second connector are inserted together, the plurality of first guide posts are inserted into the plurality of first guide sleeves, respectively.
9. The automatic traction device for a rail-mounted crane according to claim 8, wherein the first connector and the second connector are each square, the number of the first guide posts is four, four of the first guide posts are arranged square around the first connector, the number of the first guide sleeves is four, and four of the first guide sleeves are arranged square around the second connector.
10. An automatic traction system of a rail crane, comprising: the automatic traction device of the track crane comprises a passive starter, an active crane, a first control unit and the automatic traction device of the track crane in any one of claims 2-9, wherein the first control unit, the first coupler unit and the first electric connection unit are arranged on the passive crane, and the second control unit, the second coupler unit and the second electric connection unit are arranged on the active crane;
after the first coupler unit and the second coupler unit are successfully connected, the second control unit sends a moving instruction to the first control unit through the second electric connection unit and the first electric connection unit after detecting that the active crane starts to move, and the first control unit controls a brake of the passive crane to be opened after receiving the moving instruction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821122.9U CN215854707U (en) | 2021-08-05 | 2021-08-05 | Automatic traction device and system of rail crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121821122.9U CN215854707U (en) | 2021-08-05 | 2021-08-05 | Automatic traction device and system of rail crane |
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| CN215854707U true CN215854707U (en) | 2022-02-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115465071A (en) * | 2022-09-26 | 2022-12-13 | 阿尔特汽车技术股份有限公司 | Connection structure and vehicle |
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2021
- 2021-08-05 CN CN202121821122.9U patent/CN215854707U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115465071A (en) * | 2022-09-26 | 2022-12-13 | 阿尔特汽车技术股份有限公司 | Connection structure and vehicle |
| CN115465071B (en) * | 2022-09-26 | 2024-06-11 | 阿尔特汽车技术股份有限公司 | Connection structure and vehicle |
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