CN219641946U - Cable descending in-place detection device of hoist - Google Patents
Cable descending in-place detection device of hoist Download PDFInfo
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- CN219641946U CN219641946U CN202321285314.1U CN202321285314U CN219641946U CN 219641946 U CN219641946 U CN 219641946U CN 202321285314 U CN202321285314 U CN 202321285314U CN 219641946 U CN219641946 U CN 219641946U
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- 238000001514 detection method Methods 0.000 title claims abstract description 59
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 16
- 238000009434 installation Methods 0.000 description 11
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a cable lowering in-place detection device of a hoist, which comprises a support frame, a torsion spring mechanism, a sensing detection unit and a detection wheel, wherein the torsion spring mechanism is fixed on the support frame and is fixedly connected with the sensing detection unit, the sensing detection unit is provided with a controller, a sensor and a friction wheel, the controller is electrically connected with the sensor, the sensor is coaxially and rotatably connected with the friction wheel, and the friction wheel is in abutting rotation connection with the detection wheel.
Description
Technical Field
The utility model belongs to the technical field of openers, and particularly relates to a cable descent in-place detection device of an openers.
Background
The stability and accuracy of the in-place device are particularly important as the safety and reliability of the equipment are involved in the in-place descending of the hoist during operation. The existing hoist cable descending in-place detection device mainly adopts a load limiting device and an electric limiting device.
The load limiting device mainly utilizes the underload function of the load limiting device arranged on the hoist lifting mechanism, and after the load limiting device is in place, the device is stopped in place according to the numerical value set by the electric control system. The electric limit is mainly to collect the data of an encoder connected with a rotating part of the lifting mechanism, then calculate the descending height data through an electric control system, and realize in-place stop after the descending height data reach the set data.
However, in the current practical application, the load limiting is affected by the installation position and the precision, the inaccuracy of data can not be avoided in the running process, the display of the data is inaccurate after the data is in place, the stop of the equipment can not be realized in place, and the safety accident of the equipment is caused. The encoder of the electric limiting device cannot automatically control the in-place stop at any time in the descending process due to the problem of precision and the problem that equipment faults in the running process cannot be identified.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a cable lowering in-place detection device of a hoist.
The specific scheme is as follows:
the utility model provides a headstock gear cable descends detection device that targets in place, includes support frame, torsional spring mechanism, sensing detecting element and detection wheel, be fixed with torsional spring mechanism on the support frame, torsional spring mechanism and sensing detecting element fixed connection, be provided with controller, sensor and friction wheel on the sensing detecting element, the controller is connected with the sensor electricity, the sensor rotates with the friction wheel is coaxial to be connected, the friction wheel rotates with the conflict of detecting the wheel and is connected.
The support frame is provided with a mounting bottom plate and a connecting rod, one end of the connecting rod is fixedly connected with the mounting bottom plate, and the other end of the connecting rod is fixedly connected with the torsion spring mechanism.
The torsion spring mechanism comprises a first installation seat, a bearing rod and a second installation seat, wherein the first installation seat is fixedly connected with the support frame, a bearing is further arranged on the first installation seat, the first installation seat is rotationally connected with one end of the bearing rod through the bearing, the other end of the bearing rod is fixedly connected with the second installation seat, a torsion spring is sleeved on the bearing rod, one end of the torsion spring is fixedly connected with the first installation seat, the other end of the torsion spring is fixedly connected with the second installation seat, a push plate is arranged on the second installation seat, and the second installation seat is fixedly connected with the sensing detection unit through the push plate.
The sensing detection unit comprises a sensor and a coupling, wherein the sensor is fixed at one end of the push plate and is connected with the friction wheel in a coaxial rotation manner through the coupling, and a protective cover is further arranged on the sensor and is fixed on the push plate.
The sensor is an absolute rotary encoder.
The tread of friction wheel is provided with the annular knurl, the friction wheel through annular knurl with detect the wheel conflict rotation and be connected.
The controller is any one of a singlechip and a PLC.
The utility model discloses a cable descent detection device of a hoist, which comprises a torsion spring mechanism, a sensing detection unit and a detection wheel, wherein the torsion spring mechanism is used for tightly contacting a friction wheel in the sensor detection unit with the detection wheel, the detection wheel is arranged on a cable reel of the hoist, when a cable descends, the cable electric cable reel rotates, so that the detection wheel drives the friction wheel to rotate, the friction wheel drives the sensor to rotate, the sensor converts mechanical rotation into an electric signal to be transmitted to a controller, and when the sensor does not output the electric signal, the controller controls equipment to stop, and the process is detected in a continuous working process, so that the descent action of the hoist lifting mechanism can be controlled at any time, and accidents are avoided.
Compared with the traditional in-place limiting device, the utility model can more intuitively monitor the fault condition of equipment in the descending process, can realize the in-place limiting of descending, can effectively reduce the precision influence of the traditional load limiting device and protect the safety of hoist equipment.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
FIG. 2 is a schematic diagram of the torsion spring mechanism and the sensing unit.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the present utility model. It will be apparent to those skilled in the art that the described embodiments are only a part, but not all, of the implementations of the utility model, and that all other embodiments, based on which those skilled in the art will come to lie within the scope of the utility model without making any inventive effort.
As shown in fig. 1 to 2, a hoist cable descends to detection device that targets in place, including support frame 1, torsional spring mechanism 4, sensing detection unit 10 and detection wheel 15, be fixed with torsional spring mechanism 4 on the support frame 1, torsional spring mechanism 4 and sensing detection unit 10 fixed connection, be provided with controller, sensor 12 and friction wheel 14 on the sensing detection unit 10, the controller is connected with the sensor 12 electricity, the sensor 12 rotates with the friction wheel 14 is coaxial to be connected, friction wheel 14 rotates with the conflict of detection wheel 15 and is connected.
The detection wheel 15 is mounted on and concentric with the rotating object being measured, in this embodiment the detection wheel 15 is mounted on a hoist reel 16.
The support frame 1 is provided with a mounting bottom plate 2 and a connecting rod 3, one end of the connecting rod 3 is fixedly connected with the mounting bottom plate 2, the other end of the connecting rod 3 is fixedly connected with a torsion spring mechanism 4, and the mounting bottom plate 2 and the connecting rod 3 are fixedly connected in a welding mode.
The torsion spring mechanism 4 comprises a first mounting seat 5, a bearing rod 7 and a second mounting seat 8, wherein the first mounting seat 5 is fixedly connected with the support frame 1, a bearing is further arranged on the first mounting seat 5, the first mounting seat 5 is rotationally connected with one end of the bearing rod 7 through the bearing, the other end of the bearing rod 7 is fixedly connected with the second mounting seat 8, a torsion spring 6 is sleeved on the bearing rod 7, one end of the torsion spring 6 is fixedly connected with the first mounting seat 5, the other end of the torsion spring 6 is fixedly connected with the second mounting seat 8, a push plate 9 is arranged on the second mounting seat 8, and the second mounting seat 8 is fixedly connected with the sensing detection unit 10 through the push plate 9.
In this embodiment, the second mounting seat 5 is driven to rotate together with the carrier rod 7 by pushing the push plate 9, and in the rotating process, the torsion spring 6 generates a moment, and the generated moment can enable the friction wheel 14 at the other end of the push plate 9 to be tightly pressed on the detection wheel 15, so that the detection wheel 15 and the friction wheel 14 rotate synchronously.
The sensing detection unit 10 comprises a sensor 12 and a coupling 13, wherein the sensor 12 is fixed at one end of the push plate 9, the sensor 12 is coaxially and rotatably connected with the friction wheel 14 through the coupling 13, the sensor 12 is connected with the friction wheel 14 through the coupling 13 in a shaft-out manner, the sensor 12 is further provided with a protective cover 11, the protective cover 11 is fixed on the push plate 9, and the protective cover 11 is connected to the push plate 9 through bolts and used for protecting the sensor.
The sensor 12 is an absolute rotary encoder.
The tread of friction wheel 14 is provided with the annular knurl, friction wheel 14 through annular knurl with detect wheel 15 contradict and rotate and be connected. The knurling of the wheel tread is beneficial to increasing the contact friction between the friction wheel 14 and the detection wheel 15.
The controller is any one of a singlechip and a PLC.
The concrete working process of the cable descent detection device of the hoist is as follows:
the detection wheel 15 is fixed on a lifting cable reel 16 of the hoist and rotates concentrically with the lifting cable reel 16 of the hoist, and the friction wheel 14 is tightly pressed on the detection wheel 15 through the torsion spring mechanism 4, so that the friction wheel 14 and the detection wheel 15 are ensured to rotate synchronously.
When the hoist is lowered, the cable reel 16 is in a passive operating state, and the cable drives the cable reel 16 to rotate. When the load end of the hoist is blocked or in an accident state, the cable stops descending, the cable reel 16 stops working, the detection wheel 15 arranged on the cable reel stops working, the friction wheel 14 closely contacted with the detection wheel 15 stops rotating, the friction wheel 14 stops rotating, the absolute value rotary encoder also stops rotating, the encoder does not output, namely the sensor 12 does not output signals, and when the controller detects that the sensor 12 does not output signals, a command is sent to stop the hoist from working, and the in-place limiting function is realized.
In the descending working process of the hoist, the cable reel 16 can intuitively respond to the descending working process, once the cable reel 16 stops rotating in the descending process, the friction wheel 14 connected with the cable reel stops rotating, and once the controller detects that the sensor 12 does not output, a signal can be given out to command the equipment to stop, and the process is detected in the continuous dynamic working process, so that the hoist can be protected at any time, and accidents are avoided.
The utility model discloses a cable descent detection device of a hoist, which comprises a torsion spring mechanism, a sensing detection unit and a detection wheel, wherein the torsion spring mechanism is used for tightly contacting a friction wheel in the sensor detection unit with the detection wheel, the detection wheel is arranged on a cable reel of the hoist, when a cable descends, the cable drives the cable reel to rotate, so that the detection wheel drives the friction wheel to rotate, the friction wheel drives the sensor to rotate, a mechanical action signal is converted into an electric signal by the sensor to be transmitted to a controller, and when the sensor does not output an electric signal, the controller controls equipment to stop, and the process is detected in a continuous dynamic working process, so that the hoist can be protected at any time, and accidents are avoided.
Compared with the traditional in-place limiting device, the utility model can more intuitively monitor the fault condition of equipment in the descending process, can realize the in-place limiting of descending, can effectively reduce the precision influence of the traditional load limiting device and protect the safety of hoist equipment.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. The utility model provides a headstock gear cable descends detection device that targets in place which characterized in that: including support frame (1), torsional spring mechanism (4), sensing detecting element (10) and detection wheel (15), be fixed with torsional spring mechanism (4) on support frame (1), torsional spring mechanism (4) and sensing detecting element (10) fixed connection, be provided with controller, sensor (12) and friction wheel (14) on sensing detecting element (10), the controller is connected with sensor (12) electricity, sensor (12) and friction wheel (14) coaxial rotation are connected, friction wheel (14) are connected with the conflict rotation of detection wheel (15).
2. The hoist cable drop in place detection apparatus of claim 1, wherein: the support frame (1) is provided with a mounting bottom plate (2) and a connecting rod (3), one end of the connecting rod (3) is fixedly connected with the mounting bottom plate (2), and the other end of the connecting rod (3) is fixedly connected with a torsion spring mechanism (4).
3. The hoist cable drop in place detection apparatus of claim 1, wherein: the torsion spring mechanism (4) comprises a first mounting seat (5), a bearing rod (7) and a second mounting seat (8), the first mounting seat (5) is fixedly connected with the support frame (1), a bearing is further arranged on the first mounting seat (5), the first mounting seat (5) is rotationally connected with one end of the bearing rod (7) through the bearing, the other end of the bearing rod (7) is fixedly connected with the second mounting seat (8), a torsion spring (6) is sleeved on the bearing rod (7), one end of the torsion spring (6) is fixedly connected with the first mounting seat (5), the other end of the torsion spring (6) is fixedly connected with the second mounting seat (8), a push plate (9) is arranged on the second mounting seat (8), and the second mounting seat (8) is fixedly connected with the sensing detection unit (10) through the push plate (9).
4. A hoist cable drop in place detection apparatus according to claim 3, wherein: the sensing detection unit (10) comprises a sensor (12) and a coupling (13), wherein the sensor (12) is fixed at one end of the push plate (9), the sensor (12) is coaxially and rotatably connected with the friction wheel (14) through the coupling (13), a protective cover (11) is further arranged on the sensor (12), and the protective cover (11) is fixed on the push plate (9).
5. The hoist cable drop in place detection apparatus of claim 1, wherein: the sensor (12) is an absolute rotary encoder.
6. The hoist cable drop in place detection apparatus of claim 1, wherein: the tread of friction wheel (14) is provided with knurling, friction wheel (14) through knurling with detect wheel (15) conflict rotation is connected.
7. The hoist cable drop in place detection apparatus of claim 1, wherein: the controller is any one of a singlechip and a PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321285314.1U CN219641946U (en) | 2023-05-25 | 2023-05-25 | Cable descending in-place detection device of hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321285314.1U CN219641946U (en) | 2023-05-25 | 2023-05-25 | Cable descending in-place detection device of hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219641946U true CN219641946U (en) | 2023-09-05 |
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ID=87807199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321285314.1U Active CN219641946U (en) | 2023-05-25 | 2023-05-25 | Cable descending in-place detection device of hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219641946U (en) |
-
2023
- 2023-05-25 CN CN202321285314.1U patent/CN219641946U/en active Active
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