CN211740066U - Lifting appliance height sensor - Google Patents
Lifting appliance height sensor Download PDFInfo
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- CN211740066U CN211740066U CN202020286058.8U CN202020286058U CN211740066U CN 211740066 U CN211740066 U CN 211740066U CN 202020286058 U CN202020286058 U CN 202020286058U CN 211740066 U CN211740066 U CN 211740066U
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Abstract
The utility model discloses a hoist height sensor uses with the position recognizer cooperation in the data acquisition end cabinet, including the frame, around the band pulley, the gold tape scale, the vernier pointer, the main shaft has set firmly on the frame, is connected with around the band pulley through the bearing on the main shaft, diffracts on the band pulley and has the gold tape scale, and gold tape scale tail end is equipped with the interlinkage that is used for being connected with the hoist and detains, and the integration has signal generator in the gold tape scale, and one side of frame corresponds position department with the gold tape scale and is provided with the vernier pointer, the pin connection position recognizer of vernier pointer. Adopt the hoist height sensor of this application, utilize the hoist to rise to descend to retrieve the rolling up and pull out the gold ribbon scale on the band pulley, detect with the electromagnetic induction technique of vernier pointer and realize non-contact absolute position and detect, detect out the accurate location distance of hoist, provide reliable detection data for the overhead traveling crane realizes unmanned operation, detection speed is fast, the precision is high, and simple structure, simple to operate, and the repeated positioning accuracy is high.
Description
Technical Field
The utility model relates to a high position check out test set field, concretely relates to hoist altitude sensor.
Background
With the development of industrial automation, the 5G construction is released, and the Internet of things raises the new and high tide of industrial automation. The supporting capability of the platform of the Internet of things is continuously improved, and various service scenes such as artificial intelligence and intelligent factories are provided. The requirement of unmanned driving is met, the unmanned operation of industrial automation equipment is more and more urgent, and especially for lifting hooks and lifting appliances on heavy equipment, more and more lifting appliance height sensors with the functions of vertical height positioning and detection are needed. Distance position detection about hoist on the overhead traveling crane at present adopts laser rangefinder sensor, walking limit switch, rotary encoder mostly, and these several kinds of modes of detecting the position all have certain stability defect, cause automatic operation to be difficult to reliable steady operation, restrict enterprise's development.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hoist height sensor utilizes the ascending decline of hoist to retrieve the gold ribbon scale that rolls up and pull out on the band pulley, detects with the electromagnetic induction technique of vernier pointer and realizes that non-contact absolute position detects, and detection speed is fast, the precision is high, and simple structure, simple to operate.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a hoist height sensor uses with the position recognition ware cooperation in the data acquisition end cabinet, includes the frame, winds band pulley, gold belt scale, vernier pointer, the main shaft has set firmly on the frame, is connected with the band pulley through the bearing on the main shaft, has diffracted the gold belt scale on the band pulley, and gold belt scale tail end is equipped with the link that is used for being connected with the hoist and detains, and the integration has signal generator in the gold belt scale, and one side of frame is provided with vernier pointer, vernier pointer's pin junction position recognition ware in the position department that corresponds with the gold belt scale.
Preferably, the front end of the base is provided with a guide wheel, and the guide wheel is fixed on the upper surface of the base through a guide wheel seat and used for supporting and guiding the golden belt graduated scale.
Preferably, the front end of the machine base is fixedly provided with a limiting wheel set below the guide wheel, and the tail end of the gold belt graduated scale bypasses the top of the guide wheel, vertically penetrates through the limiting wheel set, then extends downwards and is connected with a linking buckle.
Preferably as above-mentioned scheme, spacing wheelset includes spacing wheel, connecting axle, mounting bracket fixed connection has two connecting axles on the mounting bracket parallel set firmly at the frame lower surface, rotates on the connecting axle to be connected with spacing wheel.
Preferably, the machine base comprises a machine base plate and a machine seat frame, the machine seat frame is vertically fixed on the machine base plate, and two ends of the main shaft are fixedly connected with the machine seat frame.
Preferably, an outer cover is fixedly arranged on the base plate of the machine base and positioned on the outer side of the machine base frame, the front end of the outer cover extends out of the machine base, a vernier pointer is vertically and fixedly arranged on the inner side of the outer cover, and the vernier pointer corresponds to the guide wheel in position.
Preferably, a spiral spring is fixedly arranged on each side of the winding pulley, one end of the spiral spring is fixedly connected with the main shaft, and the other end of the spiral spring is fixedly connected with the side wall of the winding pulley.
Preferably, the center of the belt winding wheel is coaxially provided with a through hole, the belt winding wheel is rotatably sleeved on the main shaft through the central through hole, the circumference of the belt winding wheel is provided with a belt winding groove, a pressing strip for pressing the gold belt graduated scale is arranged in the belt winding groove, and the circumferential wall of the belt winding wheel is provided with a wire outlet through which a lead of the gold belt graduated scale passes.
Preferably, a through hole slip ring is fixedly arranged on one side, located on the belt winding wheel, of the main shaft, a lead of the gold belt scale is led out from a central through hole of the belt winding wheel through a wire outlet hole and then is connected with a lead at one end of the through hole slip ring, and a lead at the other end of the through hole slip ring is connected with an external power supply.
Due to the structure, the beneficial effects of the utility model reside in that:
the utility model provides a hoist altitude sensor, adopt volute spiral spring around band pulley both sides, utilize its tension to retrieve and roll up the gold ribbon scale, the gold ribbon scale is pulled out when the hoist descends, the distance of pulling out is exactly the distance that the hoist descends, the hoist descends to terminal overhead traveling crane and walks the time swing range can the grow, it keeps unchangeable to have gold ribbon scale and vernier pointer spacing distance in hoist altitude sensor inside, the design has the leading wheel to do the support with spacing wheelset and guarantees, can ensure sensor steady operation, linear and repeatability is high, and non-contact absolute position detects, positioning accuracy is high, moreover, the steam generator is simple in structure, and convenient for installation.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic side view of the present invention;
fig. 3 is a front schematic view of the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 3, the present embodiment provides a lifting appliance height sensor, which is used in cooperation with a position identifier in a data acquisition end cabinet, and includes a base, a winding pulley 6, a golden belt scale 7 and a vernier pointer 10, wherein a main shaft 2 is fixedly arranged on the base, the winding pulley 6 is connected to the main shaft 2 through a bearing, the golden belt scale 7 is diffracted on the winding pulley 6, a link buckle 13 for connecting with a lifting appliance is arranged at the tail end of the golden belt scale 7, a signal generator is integrated in the golden belt scale 7, the vernier pointer 10 is arranged at a position corresponding to the golden belt scale 7 on one side of the base, and the vernier pointer 10 is connected to the position identifier through a lead.
The gold belt measuring scale is characterized in that a guide wheel 8 is arranged at the front end of the machine base, the axis of the guide wheel 8 is parallel to the axis of the winding belt wheel 6, and the guide wheel 8 is fixedly installed on the upper surface of the front end of the machine base through a guide wheel seat 9 and used for supporting and guiding the gold belt scale 7. The guide wheel 8 can make the distance between the gold belt graduated scale 7 and the vernier pointer 10 keep consistent, and further ensure the stability of signals.
The frame front end is located the leading wheel 8 below and has set firmly spacing wheelset, the top of leading wheel 8 is walked around to the tail end of gold area scale 7, vertically passes spacing wheelset back downwardly extending and is connected with chain link 13. The limiting wheel set is used for limiting the golden belt graduated scale 7 to keep within the range of the vernier pointer 10 when the golden belt graduated scale 7 runs up and down, and is also the limiting position when the golden belt graduated scale 7 is wound up again. The connecting buckle 13 can play a role in connecting and fixing with an external lifting appliance, and can also play a role in limiting the limit of the gold belt graduated scale 7 in recovery and rolling.
Spacing wheelset includes spacing round 11, connecting axle, mounting bracket 12 fixed connection has set firmly two connecting axles at the frame lower surface on the mounting bracket 12 parallel, rotates on the connecting axle to be connected with spacing round 11, and the interval central plane of two spacing rounds 11 and the surface of leading wheel 8 are on the coplanar.
The machine base comprises a machine base bottom plate 1 and a machine base frame 15, wherein the machine base frame 15 is vertically fixed on the machine base bottom plate 1, two ends of the main shaft 2 are fixedly connected with the machine base frame 15, namely, the main shaft 2 is static and does not rotate, and the winding pulley 6 rotates around the main shaft 2 through a bearing.
An outer cover 14 is fixedly arranged on the outer side of the machine seat frame 15 on the machine seat bottom plate 1, the front end of the outer cover 14 extends out of the machine seat, a vernier pointer 10 is vertically and fixedly arranged on the inner side of the outer cover, and the vernier pointer 10 is arranged between a guide wheel 8 corresponding to the gold belt scale 7 and a section of distance of the limiting wheel set.
Scroll springs 4 are fixedly arranged on two sides of the belt winding wheel 6 and used for recycling and rolling the gold belt graduated scale 7 by using spring tension force of the scroll springs 4, one ends of the scroll springs 4 are fixedly connected with the main shaft 2, and the other ends of the scroll springs are fixedly connected with the side wall of the belt winding wheel 6 through pin shafts. In this embodiment, a clamping groove is formed in the main shaft 2, the inner ring of the volute spiral spring 4 is clamped in the clamping groove of the main shaft 2, and the outer ring is fixedly connected with the side wall of the winding pulley 6 through the connecting plate 5 and the pin.
The central coaxial through hole that has seted up of band winding wheel 6 to locate on main shaft 2 through the rotatable cover of central through hole, be equipped with the winding trough that supplies gold ribbon scale 7 to coil on the circumference of band winding wheel 6, be equipped with the layering that is used for pushing down gold ribbon scale 7 in the winding trough, set up the wire hole that supplies gold ribbon scale 7 lead wire to wear out on the circumference wall of band winding wheel 6.
A via hole slip ring 3 is fixedly arranged on one side, located on a belt winding wheel 6, of the main shaft 2, the via hole slip ring 3 is in the prior art, one end of the via hole slip ring 3 is fixed, the other end of the via hole slip ring can rotate, and data such as current signals and the like are transmitted to a rotating position from a fixed position. The gold belt graduated scale 7 is a circuit board type graduated scale, a lead of the gold belt graduated scale 7 is led out from a central through hole of the winding belt wheel 6 through a wire outlet and then is connected with one end of the through hole slip ring 3, the other end of the through hole slip ring 3 is connected with an external power supply through a lead, and namely, the power supply of the gold belt graduated scale 7 is transited through the through hole slip ring 3.
When the lifting appliance height sensor and a lifting appliance control system on a crown block are combined to operate in a system, remote control, semi-automatic and full-automatic operation can be realized.
When the lifting appliance height sensor works, the machine base of the lifting appliance height sensor is fixed on a moving trolley platform on a crown block and is connected with a lifting appliance through a link buckle 13, a gold belt graduated scale 7 is recovered and rolled up or pulled out under the driving of the lifting appliance, the gold belt graduated scale 7 is in electromagnetic coupling with a vernier pointer 10, a signal generator is integrated in the gold belt graduated scale 7, the gold belt graduated scale 7 transmits a generated signal to the vernier pointer 10 in an electromagnetic coupling mode, the vernier pointer 10 transmits the received signal to a position recognizer in a data acquisition end cabinet for processing, the processed position signal is transmitted to an upper computer of a control system for detecting the up-and-down running current position of the lifting appliance in real time, the height distance of an obstacle is not enough in the process of lifting a heavy object by the lifting appliance, and the probability of manual error is reduced. The accurate operation can be realized, the service life of the equipment is prolonged, the flow is optimized, the hoisting efficiency is improved, and the production cost is saved.
The hoist height sensor of this embodiment, adopt volute spiral spring 4 around band pulley 6 both sides, utilize its tension to retrieve and roll up golden belt scale 7, gold belt scale 7 is pulled out when the hoist descends, the distance of pulling out is exactly the distance that the hoist descends, the hoist descends to terminal overhead traveling crane and walks the time swing range can the grow, it keeps unchangeable to keep apart from 10 at inside golden belt scale 7 of hoist height sensor and vernier pointer, the design has leading wheel 8 and spacing wheelset to do the support assurance, can ensure sensor steady operation, linearity and repeatability are high.
Adopt the hoist height sensor of this embodiment, utilize hoist rising and falling to retrieve the gold ribbon scale 7 of curling up and pulling out on band pulley 6, detect with the electromagnetic induction technique of vernier pointer 10 and realize non-contact absolute position and detect, detect out the accurate location distance of hoist, realize unmanned operation for the overhead traveling crane and provide reliable detection data, detection speed is fast, the precision is high, and simple structure, simple to operate, and the repeated positioning accuracy is high.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a hoist height sensor uses with the position recognition ware cooperation in the data acquisition end cabinet which characterized in that: including the frame, around band pulley, gold belt scale, vernier pointer, the main shaft has set firmly on the frame, is connected with around the band pulley through the bearing on the main shaft, and it has the gold belt scale to diffract on the band pulley, and gold belt scale tail end is equipped with and is used for linking the knot be connected with the hoist, and the integration has signal generator in the gold belt scale, and one side of frame is provided with vernier pointer, vernier pointer's lead wire connection position recognizer in the position department that corresponds with the gold belt scale.
2. The spreader height sensor according to claim 1, wherein: the front end of the machine base is provided with a guide wheel, and the guide wheel is fixed on the upper surface of the machine base through a guide wheel seat and used for supporting and guiding the gold belt graduated scale.
3. The spreader height sensor according to claim 2, wherein: the frame front end is located the leading wheel below and has set firmly spacing wheelset, the top of leading wheel is walked around to the tail end of gold area scale, vertically passes spacing wheelset back downwardly extending and is connected with the chain joint and detains.
4. The spreader height sensor according to claim 3, wherein: spacing wheelset includes spacing wheel, connecting axle, mounting bracket fixed connection has two connecting axles in the frame lower surface, and the parallel has set firmly on the mounting bracket, rotates on the connecting axle to be connected with spacing wheel.
5. The spreader height sensor according to claim 2, wherein: the machine base comprises a machine base bottom plate and a machine base frame, the machine base frame is vertically fixed on the machine base bottom plate, and two ends of the main shaft are fixedly connected with the machine base frame.
6. The spreader height sensor according to claim 5, wherein: the outer side of the machine seat frame on the bottom plate of the machine seat is fixedly provided with an outer cover, the front end of the outer cover extends out of the machine seat, and a vernier pointer is vertically and fixedly arranged on the inner side of the outer cover and corresponds to the position of the guide wheel.
7. The spreader height sensor according to claim 1, wherein: and scroll springs are fixedly arranged on two sides of the winding pulley, one end of each scroll spring is fixedly connected with the main shaft, and the other end of each scroll spring is fixedly connected with the side wall of the winding pulley.
8. The spreader height sensor according to claim 1, wherein: the central coaxial of the belt winding wheel is provided with a through hole, the belt winding wheel is rotatably sleeved on the main shaft through the central through hole, the circumference of the belt winding wheel is provided with a belt winding groove, a pressing strip for pressing the gold belt graduated scale is arranged in the belt winding groove, and the circumferential wall of the belt winding wheel is provided with a wire outlet through which a lead of the gold belt graduated scale passes.
9. The spreader height sensor according to claim 8, wherein: and a lead of the gold belt graduated scale is led out from a central through hole of the belt winding wheel through a wire outlet and then is connected with a lead at one end of the via slip ring, and a lead at the other end of the via slip ring is connected with an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020286058.8U CN211740066U (en) | 2020-03-10 | 2020-03-10 | Lifting appliance height sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020286058.8U CN211740066U (en) | 2020-03-10 | 2020-03-10 | Lifting appliance height sensor |
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| Publication Number | Publication Date |
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| CN211740066U true CN211740066U (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020286058.8U Active CN211740066U (en) | 2020-03-10 | 2020-03-10 | Lifting appliance height sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697661A (en) * | 2021-08-31 | 2021-11-26 | 宁波意宁码头经营有限公司 | Portal crane operation state visualization system and visualization method thereof |
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2020
- 2020-03-10 CN CN202020286058.8U patent/CN211740066U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697661A (en) * | 2021-08-31 | 2021-11-26 | 宁波意宁码头经营有限公司 | Portal crane operation state visualization system and visualization method thereof |
| CN113697661B (en) * | 2021-08-31 | 2023-12-12 | 宁波意宁码头经营有限公司 | Portal crane operation state visualization system and visualization method thereof |
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