CN220265027U - Protection system for preventing cable reel of crane cart from being overtightened and stopped - Google Patents
Protection system for preventing cable reel of crane cart from being overtightened and stopped Download PDFInfo
- Publication number
- CN220265027U CN220265027U CN202322779228.2U CN202322779228U CN220265027U CN 220265027 U CN220265027 U CN 220265027U CN 202322779228 U CN202322779228 U CN 202322779228U CN 220265027 U CN220265027 U CN 220265027U
- Authority
- CN
- China
- Prior art keywords
- module
- cable
- crane cart
- cable reel
- protection system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 230000001960 triggered effect Effects 0.000 claims description 14
- 230000000670 limiting effect Effects 0.000 claims description 9
- 238000003756 stirring Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Landscapes
- Control And Safety Of Cranes (AREA)
Abstract
The utility model relates to a protection system for preventing a cable reel of a crane cart from being overtightened and stopped, belonging to the technical field of crane safety protection, comprising: the driving module is used for driving the cable reel to rotate so as to reel and unreel the cable conveniently; the electromagnetic braking module is used for braking the cable reel; the detection module is used for detecting whether the cable is in an overtightening state or not; and the control module is in signal connection with the driving module, the braking module and the detection module so as to control the driving module and the electromagnetic braking module to stop working when the cable is overtightened. When the cable is overtightened, the utility model can be detected by the detection module, then the control module controls the driving module to stop running, and the electromagnetic braking module is in a non-braking state, and the cable reel is in a free state, so that the overtightening of the cable is relieved, and compared with the prior art, the utility model is safer to stop by emergency braking.
Description
Technical Field
The utility model relates to the technical field of crane safety protection, in particular to a protection system for preventing a crane cart cable reel from being overtightened and stopped.
Background
Outdoor gantry cranes are typically powered by a cable reel system. The existing gantry crane is provided with a cable overtightening detection system, in the acceleration process of the crane cart, because the response of a cable reel is lagged, the cable is easy to drag and overtighten, at the moment, the cable overtightening detection system is used for enabling overtightening limiting action to occur, namely, in order to protect the cable from being broken, an emergency braking and stopping method is often adopted, and the defects caused by the method are as follows: due to inertia, the crane can generate huge shaking when in emergency braking and stopping, and the equipment is adversely affected.
For this purpose, we have devised a protection system that prevents the excessive tight shut down of crane cart cable reels.
Disclosure of Invention
The utility model aims to solve the problems and provide a protection system for preventing the cable reel of the crane cart from being stopped too tightly.
The utility model realizes the above purpose through the following technical scheme:
a protection system for preventing an over-tight shutdown of a crane cart cable reel, comprising:
the driving module is used for driving the cable reel to rotate so as to reel and unreel the cable conveniently;
the electromagnetic braking module is used for braking the cable reel;
the detection module is used for detecting whether the cable is in an overtightening state or not;
the control module is in signal connection with the driving module, the braking module and the electromagnetic detection module so as to control the driving module and the electromagnetic braking module to stop working when the cable is overtightened;
the detection module comprises:
the fixed shell is arranged on the crane cart;
the upper end of the swing rod is rotatably connected to the middle part of the fixed shell, and the lower end of the swing rod is provided with a limiting wheel set so as to limit the cable;
the trigger switch is connected with the control module through signals, and the trigger switch is provided with two trigger switches which are respectively arranged on two sides of the swinging rod at intervals so as to be triggered by the swinging rod when the cable is overtightened.
Preferably, the upper end of the swinging rod is rotatably connected to the fixed shell through a pin shaft spring structure.
Preferably, the detection module further comprises two splayed line pressing rods, and the two line pressing rods are respectively positioned at two sides of the fixed shell correspondingly hinged to the fixed shell; the trigger switch is correspondingly positioned above the wire pressing rod so as to be triggered by the wire pressing rod when the cable is overtightened.
Preferably, the upper end of the line pressing rod is rotatably connected to the fixed shell through a pin shaft spring structure.
Preferably, a reversing switch is arranged at the position of the fixed shell corresponding to the upper part of the swinging rod, and a reversing switch signal is connected to the control module; the upper end of the swinging rod is provided with a stirring part capable of stirring the reversing switch.
Preferably, the fixed shell is provided with anti-loosening switches at positions corresponding to two sides of the swinging rod, and the anti-loosening switches are connected with the control module through signals.
Preferably, the limiting wheel group comprises a wheel bracket correspondingly and fixedly connected to the lower end part of the swinging rod, and the wheel bracket is rotationally connected with two wire wheels which are arranged in parallel at intervals.
Preferably, the crane cart traveling system further comprises a crane cart traveling module, and the crane cart traveling module is in signal connection with the control module.
The beneficial effects are that:
when the cable is too tight, the cable can be detected by the detection module, then the control module controls the driving module to stop running, the electromagnetic braking module is in a non-braking state, and the cable reel is in a free state, so that the cable is not too tight, and the cable is more safe to stop through emergency braking compared with the prior art;
due to the arrangement of the anti-loose switch, whether the cable is too loose or not can be detected, the driving module is controlled to operate through the control module, and the too loose gesture of the cable is relieved.
Additional features and advantages of the utility model will be set forth in the description which follows, or may be learned by practice of the utility model.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain, without limitation, the utility model. In the drawings:
FIG. 1 is a flow chart of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a schematic diagram of a first configuration of a detection module according to the present utility model;
FIG. 4 is a schematic diagram of a second configuration of the detection module according to the present utility model.
The reference numerals are explained as follows:
1. a driving module; 2. an electromagnetic braking module; 3. a detection module; 31. a fixed housing; 32. a swinging rod; 321. a toggle part; 33. limiting the wheel group; 331. a wheel support; 332. a wire wheel; 34. triggering a switch; 35. a wire pressing rod; 36. a reversing switch; 37. an anti-loose switch; 4. a control module; 5. and a crane cart walking module.
Detailed Description
The present utility model will be explained in detail by the following examples, and the purpose of the present utility model is to protect all technical improvements within the scope of the present utility model, and in the description of the present utility model, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., only correspond to the drawings of the present application, and in order to facilitate description of the present utility model, it is not necessary to indicate or imply that the apparatus or element referred to has a specific orientation.
1-3, a protection system for preventing an excessive tight shut down of a crane cart cable reel, comprising:
the driving module 1 is used for driving the cable reel to rotate so as to reel and unreel the cable conveniently;
the driving module 1 consists of a motor and a speed reducer according to the requirement, and is arranged on a crane cart, and the speed reducer is driven to operate by the motor so as to drive the cable reel to rotate;
an electromagnetic braking module 2 for braking the cable reel;
that is, the electromagnetic brake module 2 is an electromagnetic brake and is mounted on the crane cart;
the detection module 3 is used for detecting whether the cable is in an overtightening state or not;
further, the detection module 3 comprises a fixed shell 31 arranged on the crane cart, a swinging rod 32 with the upper end part rotatably connected to the middle part of the fixed shell 31 and a trigger switch 34 connected with the control module 4 in a signal manner, and a limiting wheel set 33 is arranged at the lower end of the swinging rod 32 so as to limit the cable; the trigger switch 34 is provided with two trigger switches, which are respectively arranged at two sides of the swinging rod 32 at intervals so as to be triggered by the swinging rod 32 when the cable is too tight.
That is, when the swing lever 32 is rotated upward against its gravity by the cable pulling action, the trigger switch 34 is triggered when the trigger switch 34 is abutted.
Furthermore, the detecting module 3 further comprises two splayed wire pressing rods 35, and the two wire pressing rods 35 are respectively positioned at two sides of the fixed shell 31 correspondingly hinged; the trigger switch 34 is correspondingly located above the wire pressing rod 35 so as to be triggered by the wire pressing rod 35 when the cable is too tight. This prevents the unreeled cable from being more orderly.
Further, the limiting wheel set 33 includes a wheel bracket 331 correspondingly fixed to the lower end of the swing rod 32, and two wire wheels 332 disposed in parallel at intervals are rotatably connected to the wheel bracket 331.
And the control module 4 is in signal connection with the driving module 1, the electromagnetic braking module 2 and the detection module 3 so as to control the driving module 1 and the electromagnetic braking module 2 to stop working when the cable is overtightened.
When in use, when the swinging rod 32 rotates upwards under the action of cable traction and overcomes the gravity of the swinging rod, when the swinging rod is in conflict with the trigger switch 34, the trigger switch 34 is triggered, the control module 4 controls the driving module 1 to stop running, the electromagnetic braking module 2 is opened, the cable reel rotates under the action of the cable and then contacts the overtightening gesture of the cable, and meanwhile, the defect caused by the mode of emergency stop (emergency braking stop) in the prior art is overcome.
The crane cart traveling system further comprises a crane cart traveling module 5 according to the requirement, wherein the crane cart traveling module 5 is in signal connection with the control module 4; when the trigger switch 34 is triggered, the control module 4 controls the crane cart traveling module 5 to run at a reduced speed, further prevents the cable from being further tensioned, and simultaneously solves the defects caused by the emergency stop (emergency braking stop) mode in the prior art.
Further, in order to reduce the weight of the swing lever 32 and the limiting wheel set 33, the upper end of the swing lever 32 is rotatably connected to the fixed housing 31 through a pin spring structure; thus, when the swing lever 32 is rotated upward against its weight and spring force under the cable pulling action, the trigger switch 34 is triggered when the trigger switch 34 is abutted, thus reducing the weight of the swing lever 32 and the restricting wheel group 33.
Further, in order to reduce the weight of the wire pressing rod 35, the upper end of the wire pressing rod 35 is rotatably connected to the fixed housing 31 through a pin spring structure;
the lower end of the wire pressing rod 35 is provided with a wire pressing wheel according to the requirement.
In the second embodiment, as shown in fig. 3-4, in order to increase the functions, a reversing switch 36 is arranged at a position of the fixed housing 31 corresponding to the upper part of the swinging rod 32, and the reversing switch 36 is in signal connection with the control module 4; a poking part 321 capable of poking the reversing switch 36 is arranged at the upper end of the swinging rod 32;
specifically, when the crane cart moves reversely, the swinging direction of the swinging rod 32 is also opposite, and at this time, the toggle part 321 toggles the reversing switch 36, and at this time, the driving module 1 drives the cable reel to rotate reversely.
In the third embodiment, on the basis of the first or second embodiment, as shown in fig. 4, the fixed housing 31 is provided with anti-loosening switches 37 at positions corresponding to two sides of the swinging rod 32, and the anti-loosening switches 37 are in signal connection with the control module 4; specifically, the anti-loosening switch 37 has a certain redundant space, that is, when the swinging rod 32 swings within a certain angle range, the anti-loosening switch 37 is always triggered by the swinging rod 32, that is, when the anti-loosening switch 37 is triggered by the swinging rod 32 and the trigger switch 34 is not triggered, the cable tension is in a moderate state, and when the anti-loosening switch 37 is not triggered by the swinging rod 32, the cable is in an excessively loose state.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.
Claims (8)
1. A protection system for preventing an overtightening shutdown of a crane cart cable reel, comprising:
the driving module (1) is used for driving the cable reel to rotate so as to reel and unreel the cable conveniently;
an electromagnetic braking module (2) for braking the cable reel;
the detection module (3) is used for detecting whether the cable is in an overtightening state or not;
the control module (4) is in signal connection with the driving module (1), the electromagnetic braking module (2) and the detection module (3) so as to control the driving module (1) and the electromagnetic braking module (2) to stop working when the cable is overtightened;
the detection module (3) comprises:
a fixed housing (31) provided on the crane cart;
the upper end of the swing rod (32) is rotatably connected to the middle part of the fixed shell (31), and the lower end of the swing rod is provided with a limiting wheel set (33) so as to limit the cable;
the trigger switch (34) is connected with the control module (4) through signals, and the trigger switch (34) is provided with two trigger switches, is respectively arranged at two sides of the swing rod (32) at intervals, so that the trigger switch is triggered by the swing rod (32) when the cable is overtightened.
2. A protection system for preventing an excessive tightening shut down of a crane cart cable reel as defined in claim 1, wherein: the upper end part of the swinging rod (32) is rotatably connected with the fixed shell (31) through a pin shaft spring structure.
3. A protection system for preventing excessive tightening of crane cart cable reels, according to claim 1 or 2, characterized in that: the detection module (3) further comprises two splayed line pressing rods (35), and the two line pressing rods (35) are respectively hinged to two sides of the fixed shell (31); the trigger switch (34) is correspondingly positioned above the wire pressing rod (35) so as to be triggered by the wire pressing rod (35) when the cable is overtightened.
4. A protection system for preventing an excessive tightening shut down of a crane cart cable reel according to claim 3, wherein: the upper end part of the line pressing rod (35) is rotatably connected with the fixed shell (31) through a pin shaft spring structure.
5. A protection system for preventing an excessive tightening shut down of a crane cart cable reel as defined in claim 1, wherein: a reversing switch (36) is arranged at a position of the fixed shell (31) corresponding to the upper part of the swinging rod (32), and the reversing switch (36) is connected with the control module (4) in a signal manner; the upper end of the swinging rod (32) is provided with a stirring part (321) capable of stirring the reversing switch (36).
6. A protection system for preventing an excessive tightening shut down of a crane cart cable reel according to claim 3, wherein: the fixed shell (31) is provided with anti-loosening switches (37) at positions corresponding to two sides of the swinging rod (32), and the anti-loosening switches (37) are connected with the control module (4) in a signal mode.
7. A protection system for preventing an excessive tightening shut down of a crane cart cable reel as defined in claim 1, wherein: the limiting wheel set (33) comprises a wheel bracket (331) correspondingly and fixedly connected to the lower end part of the swing rod (32), and the wheel bracket (331) is rotationally connected with two wire wheels (332) which are arranged in parallel at intervals.
8. A protection system for preventing an excessive tightening shut down of a crane cart cable reel as defined in claim 1, wherein: the crane cart walking device further comprises a crane cart walking module (5), and the crane cart walking module (5) is connected with the control module (4) in a signal mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322779228.2U CN220265027U (en) | 2023-10-17 | 2023-10-17 | Protection system for preventing cable reel of crane cart from being overtightened and stopped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322779228.2U CN220265027U (en) | 2023-10-17 | 2023-10-17 | Protection system for preventing cable reel of crane cart from being overtightened and stopped |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220265027U true CN220265027U (en) | 2023-12-29 |
Family
ID=89318513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322779228.2U Active CN220265027U (en) | 2023-10-17 | 2023-10-17 | Protection system for preventing cable reel of crane cart from being overtightened and stopped |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220265027U (en) |
-
2023
- 2023-10-17 CN CN202322779228.2U patent/CN220265027U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202272591U (en) | Constant-torque cable drum control device | |
| CN207122159U (en) | The portable wire rope locking device of mechanical stereo garage | |
| CN220265027U (en) | Protection system for preventing cable reel of crane cart from being overtightened and stopped | |
| CN107685846A (en) | A kind of continental rise captive balloon draw off gear and its control system | |
| CN108892007A (en) | A kind of hawser draw off gear | |
| CN203319432U (en) | Elevator safety monitoring device | |
| CN208747524U (en) | A kind of clothes airing machine safe wire cable protection structure | |
| CN203142654U (en) | Automatic brake device for accidental acceleration | |
| CN114634127A (en) | Servo hoist with antiwind function | |
| CN2818300Y (en) | Electric moped with four wheels | |
| CN108725633B (en) | Suspension type electric bicycle parking device | |
| CN202294801U (en) | Safety braking protective system for aerial cableway sliding rope | |
| CN203511738U (en) | Auxiliary braking device of trolley | |
| CN202686461U (en) | Chassis steering control system and crane provided with same | |
| CN209618691U (en) | A kind of gantry crane Windproof system | |
| CN204736882U (en) | Electric locomotive prevents brake device | |
| CN2383912Y (en) | Non-braking guide rail falling preventing device | |
| CN208233275U (en) | Brake gear, brake system and vehicle | |
| CN206447509U (en) | Automatic tension twines cable machine | |
| CN217921113U (en) | Emergency auxiliary braking system of bridge crane | |
| CN206511054U (en) | A kind of electric car of pair of rear braking | |
| CN217079892U (en) | Intelligent transmission shaft braking system for vertical circulation parking equipment and braking device thereof | |
| CN205151400U (en) | Car is with intelligent twisted rope box | |
| CN216954604U (en) | Rope broken strand and rope broken monitoring and mounting structure | |
| CN214527739U (en) | Windproof control system of crane |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |