Crane cart operation detection system and crane with same

Abstract

The utility model discloses a crane cart operation detection system and a crane with the same. The crane cart operation detection system comprises a control panel arranged at a boarding gate of the crane; the electric limiting mechanism and the manual limiting mechanism are arranged on the crane cart; the electric limiting protection module is arranged on the control panel and connected with the electric limiting mechanism; the manual limiting protection module is connected with the manual limiting mechanism; the cart detection control switch is connected with the electric limiting protection module; the intermediate relay is arranged at the output ends of the electric limiting protection module and the manual limiting protection module; the PLC input module is connected with the intermediate relay; the processor module is connected with the PLC input module; the PLC output module is connected with the processor module; and the limiting indicating lamp is arranged at the output end of the PLC output module. According to the technical scheme disclosed by the utility model, the convenience of detecting the operation limitation of the cart can be improved, the troubleshooting time is shortened, and the working efficiency is comprehensively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to crane operation limit detection technical field, concretely, especially, a kind of crane trolley operation detection system and crane with the system of possessing it. BACKGROUND

[0002] In conventional portal crane or gantry crane, driver's room is generally installed above crane, at position higher from ground. Driver usually needs to control the operation of crane in driver's room, and there are many factors limiting trolley operation on trolley, such as wind lock limit in trolley wind protection system, cable protection limit, etc., and any one limiting factor will affect normal operation of trolley.

[0003] At present, when operating crane, driver needs to climb driver's room by stairs, and after sending power to the whole equipment by linkage platform, it can be found whether trolley system can operate normally. If trolley cannot operate normally, driver needs to get out of driver's room, climb down the equipment to carry out fault maintenance, and after solving the fault, re-boarding to restart the operation of crane trolley. In this process, not only time is wasted, work efficiency is reduced, but also physical strength of driver is greatly tested, and it cannot meet the demand of work convenience of existing crane.

[0004] Therefore, how to provide a kind of crane trolley operation detection system and crane with the system, which can improve the convenience of detecting the operation limit of trolley, reduce fault maintenance time, and comprehensively improve work efficiency, has become a technical problem to be solved by the technical personnel in the field. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a kind of crane trolley operation detection system and crane with the system, which can improve the convenience of detecting the operation limit of trolley, reduce fault maintenance time, and comprehensively improve work efficiency.

[0006] The technical scheme provided by the utility model is as follows:

[0007] The utility model provides a kind of crane trolley operation detection system, comprising: the control panel of being arranged at the crane boarding gate;Electric limit mechanism being arranged on crane trolley;Electric limit protection module is connected with the electric limit mechanism and is arranged on the control panel;Trolley detection control switch is connected with the electric limit protection module and is arranged on the control panel;Manual limit mechanism is arranged on crane trolley;Manual limit protection module is connected with the manual limit mechanism and is arranged on the control panel;Intermediate relay is arranged at the output end of electric limit protection module, manual limit protection module;PLC input module is connected with the intermediate relay;Processor module is connected with the PLC input module and is arranged on the control panel;PLC output module is connected with the processor module;Limitation indicating lamp is arranged at the output end of PLC output module.

[0008] Further, in a preferred mode of the utility model, the electric limit mechanism comprises: electric anchoring mechanism, electric iron wedge mechanism, electric windproof zipper mechanism, wheel clamping device and rail clamping device.

[0009] Further, in a preferred mode of the utility model, the electric limit protection module comprises:

[0010] Electric anchoring control unit connected with the electric anchoring mechanism;

[0011] Electric iron wedge control unit connected with the electric iron wedge mechanism;

[0012] Electric windproof zipper control unit connected with the electric windproof zipper mechanism;

[0013] Wheel clamping device control unit connected with the wheel clamping device;

[0014] Rail clamping device control unit connected with the rail clamping device.

[0015] Further, in a preferred mode of the utility model, the electric anchoring control unit comprises: electric anchoring thermal relay connected with the electric anchoring mechanism;Electric anchoring AC contactor is arranged at the output end of electric anchoring thermal relay;

[0016] The electric iron wedge control unit comprises: electric iron wedge thermal relay connected with the electric iron wedge mechanism;Electric iron wedge AC contactor is arranged at the output end of electric iron wedge thermal relay;

[0017] The electric windproof zipper control unit comprises: electric windproof zipper thermal relay connected with the electric windproof zipper mechanism;Electric windproof zipper AC relay is arranged at the output end of electric windproof zipper thermal relay;

[0018] The clamping wheel control unit comprises a clamping wheel thermal relay connected with the clamping wheel mechanism, and a clamping wheel AC contactor arranged at the output end of the clamping wheel thermal relay.

[0019] The clamping rail control unit comprises a clamping rail thermal relay connected with the clamping rail mechanism, and a clamping rail AC contactor arranged at the output end of the clamping rail thermal relay.

[0020] Further, in a preferred mode of the utility model, the cart detection control switch is in communication connection with the electric anchoring AC contactor, the electric iron wedge AC contactor, the electric windproof lock AC contactor, the clamping wheel AC contactor and the clamping rail AC contactor.

[0021] Further, in a preferred mode of the utility model, the manual limiting mechanism comprises a manual anchoring mechanism, a manual iron wedge mechanism and a manual windproof lock mechanism.

[0022] Further, in a preferred mode of the utility model, the manual limiting protection module comprises:

[0023] a manual anchoring control unit connected with the manual anchoring mechanism;

[0024] a manual iron wedge control unit connected with the manual iron wedge mechanism;

[0025] a manual windproof lock control unit connected with the manual windproof lock mechanism.

[0026] Further, in a preferred mode of the utility model, each of the electric limiting mechanism and the manual limiting mechanism is provided with a plurality of; a plurality of the electric limiting mechanisms or the manual limiting mechanisms in a single type are arranged in parallel with each other.

[0027] Further, in a preferred mode of the utility model, the limiting indication lamp is provided with a plurality of, and a plurality of the limiting indication lamps are arranged in one-to-one correspondence with a plurality of the electric limiting mechanisms or the manual limiting mechanisms.

[0028] The utility model also provides another technical scheme:

[0029] The utility model provides a kind of crane, comprising the crane cart operation detection system as described above, also with above-mentioned technical effect.

[0030] The utility model provides a kind of crane trolley operation detection system and crane with the system, the operation detection system includes: the control panel being arranged at the crane boarding gate;Electric limit mechanism being arranged on crane trolley;Electric limit protection module being connected with the electric limit mechanism and being arranged on the control panel;Trolley detection control switch being connected with the electric limit protection module and being arranged on the control panel;Manual limit mechanism being arranged on crane trolley;Manual limit protection module being connected with the manual limit mechanism and being arranged on the control panel;Intermediate relay being arranged at the output end of electric limit protection module and manual limit protection module;PLC input module being connected with the intermediate relay;Processor module being connected with the PLC input module and being arranged on the control panel;PLC output module being connected with the processor module;Limitation indicating lamp being arranged at the output end of PLC output module.In the crane trolley operation detection system provided in the utility model, the main architecture of system is composed of the electric limit mechanism, electric limit protection module, trolley detection control switch, manual limit mechanism, manual limit protection module, intermediate relay, PLC input module, processor module, PLC output module and the limitation indicating lamp;For the operation detection system, the protection limit that will influence crane trolley operation is sequentially connected into the PLC input module by the electric limit protection module and manual limit protection module, and the protection limit includes the electric limit mechanism and manual limit mechanism;In the application process of the detection system, the manual limit mechanism is placed in special position by artificial operation, triggers its limit protection, and the electric limit mechanism needs to be powered to control its power part, controls the electric part of electric limit mechanism by setting trolley detection control switch, so that its limit can be triggered;Subsequently, the trigger signal of limit mechanism is received by the PLC input module and is transmitted to processor module, and then is output to the limitation indicating lamp by the PLC output module, the limitation indicating lamp is set one by one with different kinds and quantities of electric limit mechanism and manual limit mechanism, whether it is normally connected can be judged by whether the limitation indicating lamp is lighted after limit triggering;And the limitation indicating lamp, each module and control switch are integrally arranged on the control panel, and the control panel is installed at the crane boarding gate, when operator needs to operate crane, driver can improve the convenience of detection by the limitation indicating lamp under the machine, if trolley system cannot work normally, driver judges based on fault, gets on the machine after solving fault below, can effectively reduce the time of going up driver room and solving fault again, to realize the improvement of efficiency.Obviously, the technical scheme provided by the utility model can improve the convenience of detecting the operation limit of trolley, reduce fault maintenance time, and improve the operation efficiency comprehensively compared with prior art. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the description below only illustrate some of the embodiments of the present application, and all other embodiments obtained by those of ordinary skill in the art without creative effort based on these accompanying drawings also belong to the scope of protection of the present application.

[0032] Figure 1 The structural schematic diagram of the crane trolley operation detection system provided by the embodiments of the present application is shown in the figure.

[0033] Figure 2 The wiring structural schematic diagram of the crane trolley operation detection system provided by the embodiments of the present application is shown in the figure.

[0034] Figure 3 The structural schematic diagram of the electric limit protection module provided by the embodiments of the present application is shown in the figure.

[0035] Figure 4 The wiring structural schematic diagram of the electric anchoring mechanism provided by the embodiments of the present application is shown in the figure.

[0036] Figure 5 The structural schematic diagram of the manual limit protection module provided by the embodiments of the present application is shown in the figure. DETAILED DESCRIPTION

[0037] In order to make the technical scheme of the embodiments of the present application or the prior art clearer, the accompanying drawings needed in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the description below only illustrate some of the embodiments of the present application, and all other embodiments obtained by those of ordinary skill in the art without creative effort based on these accompanying drawings also belong to the scope of protection of the present application.

[0038] It should be noted that when an element is referred to as being "fixedly connected" or "arranged" to another element, it can be directly arranged on the other element or indirectly arranged on the other element; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or indirectly connected to the other element.

[0039] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "first", "second", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0040] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" or "several" means two or more, unless otherwise explicitly specified.

[0041] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings of this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and purposes that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0042] like Figures 1 to 5 As shown in the figure, the crane trolley operation detection system and the crane equipped with the system provided in this embodiment of the utility model include: an electric limit mechanism 2, an electric limit protection module 3, a trolley detection control switch 4, a manual limit mechanism 5, a manual limit protection module 6, an intermediate relay 7, a PLC input module 8, a processor module 9, a PLC output module 10, and a limit indicator light 11.

[0043] The utility model provides a kind of crane trolley operation detection system and crane with the system, to provide a kind of system that can be in crane under stair position, whether the system of crane trolley can be quickly detected normal work, wherein the crane trolley operation detection system specifically includes: control panel 1 being arranged at the crane boarding gate;Electric limit mechanism 2 being arranged on crane trolley;Electric limit protection module 3 being arranged on the control panel 1, and being connected with the electric limit mechanism 2;Trolley detection control switch 4 being arranged on the control panel 1, and being connected with the electric limit protection module 3;Manual limit mechanism 5 being arranged on crane trolley;Manual limit protection module 6 being arranged on the control panel 1, and being connected with the manual limit mechanism 5;Intermediate relay 7 being arranged at the output end of the electric limit protection module 3, manual limit protection module 6;PLC input module 8 being connected with the intermediate relay 7;Processor module 9 being arranged on the control panel 1, and being connected with the PLC input module 8;PLC output module 10 being connected with the processor module 9;Limitation indicating lamp 11 being arranged at the output end of the PLC output module 10.The technical scheme provided by the utility model, compared with prior art, it can conveniently detect the operation limit of trolley, judge whether trolley system can work normally, reduce fault maintenance time, and comprehensively improve operation efficiency.

[0044] The technical scheme of the utility model is specifically described in conjunction with embodiments as follows:

[0045] Specifically, in the embodiment of the utility model, the electric limit mechanism 2 includes: electric anchoring mechanism 201, electric iron wedge mechanism 202, electric windproof zipper mechanism 203, wheel clamping device 204 and rail clamping device 205.

[0046] Specifically, in the embodiment of the utility model, the manual limit mechanism 5 includes: manual anchoring mechanism 501, manual iron wedge mechanism 502 and manual windproof zipper mechanism 503.

[0047] In the embodiment of the utility model, the driver needs to operate the crane trolley in the driver's room, and the trolley limit operation includes the electric limit mechanism 2 and the manual limit mechanism 5;The electric limit mechanism 2 includes but is not limited to the electric anchoring mechanism 201, the electric iron wedge mechanism 202, the electric windproof zipper mechanism 203, the wheel clamping device 204 and the rail clamping device 205, and the manual limit mechanism 5 includes but is not limited to the manual anchoring mechanism 501, the manual iron wedge mechanism 502 and the manual windproof zipper mechanism 503.

[0048] Specifically, in the embodiment of the utility model, the electric limit protection module 3 includes: the electric anchoring control unit 301 connected with the electric anchoring mechanism 201, the electric iron wedge control unit 302 connected with the electric iron wedge mechanism 202, the electric windproof zipper control unit 303 connected with the electric windproof zipper mechanism 203, the wheel clamping device control unit 304 connected with the wheel clamping device mechanism 204, and the rail clamping device control unit 305 connected with the rail clamping device mechanism 205.

[0049] The electric limit protection module 3 is used for assisting in triggering the electric limit mechanism 2, and the electric limit mechanism 2 is connected to the PLC input module 8. In the embodiment of the utility model, the electric limit mechanism 2 and the manual limit mechanism 5 can be provided in multiple types, and each type can be provided with multiple limit devices, for example, the first wheel clamping device, the second wheel clamping device, the third wheel clamping device and the fourth wheel clamping device can be provided in the wheel clamping device mechanism 205. Therefore, in the electric limit protection module 3, multiple corresponding control units are connected in parallel according to the type of the electric limit mechanism 2, and the control units are used to assist the electric limit mechanism 2 in triggering or disconnecting the protection limit.

[0050] Specifically, in the embodiment of the utility model, the electric anchoring control unit 301 includes: the electric anchoring thermal relay 12 connected with the electric anchoring mechanism 201, the electric anchoring alternating current contactor 13 arranged at the output end of the electric anchoring thermal relay 12, the electric iron wedge control unit 302 includes: the electric iron wedge thermal relay connected with the electric iron wedge mechanism 202, the electric iron wedge alternating current contactor arranged at the output end of the electric iron wedge thermal relay, the electric windproof zipper control unit 303 includes: the electric windproof zipper thermal relay connected with the electric windproof zipper mechanism 203, the electric windproof zipper alternating current relay arranged at the output end of the electric windproof zipper thermal relay, the wheel clamping device control unit 304 includes: the wheel clamping device thermal relay connected with the wheel clamping device mechanism 204, the wheel clamping device alternating current contactor arranged at the output end of the wheel clamping device thermal relay, and the rail clamping device control unit 305 includes: the rail clamping device thermal relay connected with the rail clamping device mechanism 205, and the rail clamping device alternating current contactor arranged at the output end of the rail clamping device thermal relay.

[0051] Specifically, in the embodiment of the utility model, each electric limit mechanism 2 and manual limit mechanism 5 is provided in multiple; multiple electric limit mechanisms 2 or manual limit mechanisms 5 in a single type are arranged in parallel with each other.

[0052] In the embodiment of the utility model, each control unit corresponding to the electric limit mechanism 2 is composed of a thermal relay and an alternating current contactor, the thermal relay is connected in the operation circuit of the electric limit mechanism 2 and is used to provide overload protection and open-phase protection, when the motor in the electric limit mechanism 2 encounters overload or the like, the thermal relay cuts off the control circuit, thereby protecting the motor, secondly, the alternating current contactor is connected in the operation circuit and is used to turn on and off the circuit, thereby triggering or disconnecting the limit protection of the electric limit mechanism 2.

[0053] Specifically, in the embodiment of the utility model, the cart detection control switch 4 is in communication connection with the electric anchoring alternating current contactor 13, the electric iron wedge alternating current contactor, the electric windproof zipper alternating current contactor, the wheel clamping device alternating current contactor and the rail clamping device alternating current contactor.

[0054] Since the electric limit mechanism 2 needs to be powered, in the embodiment of the utility model, the cart detection control switch 4 is arranged on the control panel 1, the power part of the electric limit mechanism 2 is controlled by the cart detection control switch 4, the limit is triggered, and whether the electric limit mechanism 2 can work normally is detected.

[0055] Specifically, in the embodiment of the utility model, the manual limit protection module 6 comprises: a manual anchoring control unit 601 connected with the manual anchoring mechanism 501, a manual iron wedge control unit 602 connected with the manual iron wedge mechanism 502 and a manual windproof zipper control unit 603 connected with the manual windproof zipper mechanism 503.

[0056] Specifically, in the embodiment of the utility model, the manual anchoring control unit 601, the manual iron wedge control unit 602 and the manual windproof zipper control unit 603 have the same structure, which comprises: a second thermal relay connected with the manual limit mechanism 5, and a second alternating current contactor arranged at the output end of the second thermal relay.

[0057] In the embodiment of the utility model, the manual anchoring control unit 601, the manual iron wedge control unit 602 and the manual windproof zipper control unit 603 are arranged in the manual limit protection module 6 according to the types of the manual limit mechanism 5, are used to turn on and off the circuit of the manual limit mechanism 5 for triggering limit protection, and the manual limit mechanism 5 needs to be manually operated by an operator during system operation, so that limit protection is triggered, and whether the manual limit mechanism 5 can work normally is detected.

[0058] Specifically, in the embodiment of the utility model, the limit indicator light 11 is provided with a plurality of limit indicator lights 11, and a plurality of limit indicator lights 11 are arranged one by one in correspondence with a plurality of electric limit mechanisms 2 or manual limit mechanisms 5.

[0059] In the embodiment of the utility model, the limit indicator light 11 is provided with a plurality of, each limit indicator light 11 corresponds one electric limit equipment or manual limit equipment, can realize through the light of limit indicator light 11 case to reflect its corresponding electric limit mechanism 2 or manual limit mechanism 5 is can normally work.

[0060] In addition, the utility model embodiment further provides a crane, include: the crane car operation detection system as described above.

[0061] From the above, the crane trolley operation detection system and the crane provided with the system are provided, which aims to provide a system capable of detecting whether the trolley system is working normally at the position of the equipment stair under the crane, solves the problem that the driver needs to go up to the driver room, sends power to the entire equipment on the driver room linkage table, and then finds whether the trolley system can work normally, if not, the driver needs to come out of the driver room and climb down the equipment, which causes the driver to be very tired and time-consuming. In the crane trolley operation detection system provided by the utility model, the main structure of the system is composed of the electric limiting mechanism 2, the electric limiting protection module 3, the trolley detection control switch 4, the manual limiting mechanism 5, the manual limiting protection module 6, the intermediate relay 7, the PLC input module 8, the processor module 9, the PLC output module 10 and the limiting indicator light 11; for the operation detection system, the protection limiting that affects the operation of the crane trolley is sequentially connected into the PLC input module 8 through the electric limiting protection module 3 and the manual limiting protection module 6, and the protection limiting includes the electric limiting mechanism 2 and the manual limiting mechanism 5; in the application process of the detection system, the manual limiting mechanism 5 is placed in a special position through manual operation, and the limiting protection is triggered, and the electric limiting mechanism 2 needs to be powered to control the power part, the electric part of the limiting mechanism is controlled through the trolley detection control switch 4, so that the limiting is triggered; then, the trigger signal of the limiting mechanism is received by the PLC input module 8 and transmitted to the processor module 9, and then output to the limiting indicator light 11 through the PLC output module 10, the limiting indicator light 11 is set one by one corresponding to different types and quantities of electric limiting mechanisms 2 and manual limiting mechanisms 5, whether the limiting is triggered can be judged through whether the limiting indicator light 11 is on; and the limiting indicator light 11, each module and the control switch are integrally arranged on the control panel 1, and the control panel 1 is installed at the crane boarding port, when the operator needs to operate the crane, the driver can be under the machine, and quickly judge through the limiting indicator light 11, if the trolley system cannot work normally, the driver judges the fault, solves the fault below and then boards the machine, which can effectively reduce the time of going up to the driver room and then solving the fault, so as to improve the efficiency. It can be seen that, compared with the prior art, the technical scheme provided by the utility model can conveniently detect the operation limitation of the trolley, judge whether the trolley system can work normally, reduce the fault maintenance time, and comprehensively improve the operation efficiency.

[0062] The above description of disclosed embodiments enables one of ordinary skill in the art to make or use the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A crane trolley movement detection system, characterized in that The crane includes: a control panel arranged at the crane boarding gate; an electric limit mechanism arranged on the crane trolley; an electric limit protection module arranged on the control panel and connected with the electric limit mechanism; a trolley detection control switch arranged on the control panel and connected with the electric limit protection module; a manual limit mechanism arranged on the crane trolley; a manual limit protection module arranged on the control panel and connected with the manual limit mechanism; an intermediate relay arranged at the output end of the electric limit protection module and the manual limit protection module; a PLC input module connected with the intermediate relay; a processor module arranged on the control panel and connected with the PLC input module; a PLC output module connected with the processor module; a limit indication lamp arranged at the output end of the PLC output module.

2. The crane trolley operation detection system according to claim 1, characterized in that, The electric limit mechanism includes:

3. The crane trolley operation detection system according to claim 2, characterized in that, an electric anchoring mechanism, an electric iron wedge mechanism, an electric windproof zipper mechanism, a wheel clamping mechanism and a rail clamping mechanism. The electric limit protection module includes: an electric anchoring control unit connected with the electric anchoring mechanism; an electric iron wedge control unit connected with the electric iron wedge mechanism; an electric windproof zipper control unit connected with the electric windproof zipper mechanism; a wheel clamping control unit connected with the wheel clamping mechanism; 4. The crane trolley operation detection system according to claim 3, characterized in that a rail clamping control unit connected with the rail clamping mechanism. The electric anchoring control unit includes: an electric anchoring thermal relay connected with the electric anchoring mechanism; and an electric anchoring AC contactor arranged at the output end of the electric anchoring thermal relay. The electric iron wedge control unit includes: an electric iron wedge thermal relay connected with the electric iron wedge mechanism; and an electric iron wedge AC contactor arranged at the output end of the electric iron wedge thermal relay.

5. The crane trolley operation detection system according to claim 4, characterized in that, The electric windproof zipper control unit includes:

6. The crane trolley operation detection system according to claim 2, characterized by an electric windproof zipper thermal relay connected with the electric windproof zipper mechanism; and an electric windproof zipper AC relay arranged at the output end of the electric windproof zipper thermal relay.

7. The crane trolley movement detection system according to claim 6, characterized in that The wheel clamping control unit includes: a wheel clamping thermal relay connected with the wheel clamping mechanism; and a wheel clamping AC contactor arranged at the output end of the wheel clamping thermal relay. The rail clamping control unit includes: a rail clamping thermal relay connected with the rail clamping mechanism; and a rail clamping AC contactor arranged at the output end of the rail clamping thermal relay.

8. The crane trolley operation detection system according to claim 6, characterized in that, The trolley detection control switch is in communication connection with the electric anchoring AC contactor, the electric iron wedge AC contactor, the electric windproof zipper AC contactor, the wheel clamping AC contactor and the rail clamping AC contactor. The manual limit mechanism includes: a manual anchoring mechanism, a manual iron wedge mechanism and a manual windproof zipper mechanism. The manual limit protection module includes: a manual anchoring control unit connected with the manual anchoring mechanism; a manual iron wedge control unit connected with the manual iron wedge mechanism; a manual windproof zipper control unit connected with the manual windproof zipper mechanism. Each of the electric limit mechanism and the manual limit mechanism is provided with a plurality of; the plurality of electric limit mechanisms or manual limit mechanisms of a single type are arranged in parallel with each other.

9. The crane trolley motion detection system according to claim 8, characterized in that The limit position indicating lamp is provided in plurality, and each of the limit position indicating lamps is provided in one-to-one correspondence with each of the electric limit position mechanisms or the manual limit position mechanisms.

10. A crane, characterized in that The crane or the control system of the crane comprises the crane trolley operation detection system according to any one of claims 1 to 9.

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