CN210855200U - Overload protection device of high-altitude operation hanging basket lifter - Google Patents
Overload protection device of high-altitude operation hanging basket lifter Download PDFInfo
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- CN210855200U CN210855200U CN201921801460.9U CN201921801460U CN210855200U CN 210855200 U CN210855200 U CN 210855200U CN 201921801460 U CN201921801460 U CN 201921801460U CN 210855200 U CN210855200 U CN 210855200U
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- control box
- pressure detection
- electrically connected
- overload protection
- metal contact
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Abstract
The utility model discloses an overload protection device of aerial work hanging flower basket lift, concretely relates to aerial work field, which comprises a fixing plate and i, the pressure detection post, the pressed plate, the fixed plate, the recess of a plurality of and pressure detection post looks adaptations is seted up to the opposite face that is pressed the plate, the inside of the recess on fixed plate surface is provided with the metal contact pilotage, the pressure detection post joint is in the fixed plate, inside the recess between the pressed plate, the output electric connection of metal contact pilotage has the wire, the other end electric connection of wire has the control box, the internally mounted of control box has bee calling organ, the inside of control box is provided with the control unit. The utility model discloses an independent fixed plate and pressure detection post can be according to the focus skew degree of the shape preliminary estimation heavy object of heavy object when using, at corresponding position installation pressure detection post for the device can change the stress point according to the heavy object shape, has improved the device's commonality greatly, improves the device's practicality.
Description
Technical Field
The utility model relates to an aerial work technical field, more specifically say, the utility model specifically is an overload protection device of aerial work hanging flower basket lift.
Background
The high-altitude operation is a work with extremely high risk, so the hanging basket or the elevator for high-altitude operation is required to have very high safety protection measures, if the hanging basket works beyond the rated load in the working process, the safety performance and the mechanical life of equipment are influenced, even the personal safety is influenced, at present, no load detection equipment is arranged on the hanging basket or the elevator, the lifting capacity of the equipment can be only improved, the hanging basket or the elevator is loaded by experience, the lifting capacity of the equipment is wasted, or serious consequences can be caused once the hanging basket or the elevator is judged to be inaccurate and overweight by experience, and potential safety hazards exist.
In order to solve the above problems, an overload protection device is disclosed in patent application publication No. CN201343424Y, referring to fig. 5 and 6 of the specification, which is used for collecting load information of a heavy object by a sensor 9 installed under a bottom plate of a device to be tested; the control unit, with sensor 9 is connected, is used for the basis load information is right the device of being surveyed controls, the utility model discloses a gather the weight signal of load to carry out the comparison to the signal of gathering and rated load, but not surpassing rated load's within range equipment side normal operating, report to the police and the operation of stopping equipment when surpassing, thereby improved the security of equipment greatly.
However, the technical scheme still has more defects in actual application;
firstly, because the frame structure is adopted in the patent, in practical use, because the device is placed between a heavy object and a basket bottom, the frame structure ensures that the contact surface of the device and the heavy object is less, the heavy object is directly contacted with the basket bottom, and the measurement can not be completely carried out in the face of some special conditions, such as: the bottom area of the weight is smaller than that of the frame, the weight has no contact surface with the frame, or the bottom surface of the weight is flat, has uniform mass distribution and is completely pressed on the frame;
secondly, because the device adopts the sensor to arrange in the frame below, in-service use, because after using a period, the heavy object extrudees the frame and leads to the unable reconversion of deformation for sensor detection produces the wrong report, and the sensor is fragile and leads to whole device life to descend.
Therefore, it is desirable to provide an overload protection device for a high-rise operation basket elevator, which has a long service life and high versatility.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects of the prior art, the embodiment of the utility model provides an overload protection device of a high-altitude operation hanging basket lifter, through independent fixed plate and pressure detection post, the gravity center offset degree of the heavy object can be preliminarily estimated according to the shape of the heavy object when in use, and the pressure detection post is installed at the corresponding position, so that the device can change the stress point according to the shape of the heavy object, thereby greatly improving the universality of the device and the practicability of the device; additionally, the utility model discloses a plurality of independent pressure detection post joint is carved with initial marking in the outside of each pressure detection post between fixed plate and the compression plate, and the deformation volume that can audio-visually observe the pressure detection post can whether damage in direct observation before the use, and the accessible adds inside elastic damping's form reconversion after damaging to maintain simple life who has promoted the device greatly to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: an overload protection device of a hanging basket lifter for high-altitude operation comprises a fixed plate, a pressure detection column and a pressure receiving plate, wherein a plurality of grooves matched with the pressure detection column are formed in opposite surfaces of the fixed plate and the pressure receiving plate, a metal contact pin is arranged inside each groove in the surface of the fixed plate, the pressure detection column is clamped inside each groove between the fixed plate and the pressure receiving plate, the output end of each metal contact pin is electrically connected with a lead, the other end of each lead is electrically connected with a control box, a buzzer is fixedly arranged inside each control box, and a control unit is arranged inside each control box;
the pressure detection column comprises a sleeve cover and a column body, a distance sensor is fixedly mounted inside the column body, a rebound column is movably mounted inside the column body, and the sleeve cover is sleeved on the top end of the column body.
In a preferred embodiment, a circular grid is formed on the surface of the control box, the buzzer is located in the circular grid of the control box, and an adjusting button is arranged on the surface of the control box.
In a preferred embodiment, an analog-to-digital converter and a signal amplifier are arranged inside the control box, an input end of the analog-to-digital converter is electrically connected with an output end of the signal amplifier, an output end of the analog-to-digital converter is electrically connected with an input end of a control unit inside the control box, and an input end of the signal amplifier is electrically connected with a wire.
In a preferred embodiment, the diameter of the inner wall of the sleeve cover is slightly larger than the outer diameter of the column body, and one side of the distance sensor is provided with a scale.
In a preferred embodiment, the bottom of the distance sensor is provided with metal contacts adapted to the metal contact pins, and the output end of the distance sensor is electrically connected to the metal contacts at the bottom of the distance sensor.
In a preferred embodiment, the output end of the distance sensor is electrically connected with the input end of the control unit inside the control box through a metal contact pin and a lead, and the buzzer is electrically connected with the output end of the control unit inside the control box.
In a preferred embodiment, the resilient column is formed by sleeving two cups, and elastic damping is arranged inside the resilient column.
The utility model discloses a technological effect and advantage:
1. the utility model can preliminarily estimate the gravity center offset degree of the heavy object according to the shape of the heavy object when in use through the independent fixing plate and the pressure detection column, and the pressure detection column is arranged at the corresponding position, so that the device can change the stress point according to the shape of the heavy object, thereby greatly improving the universality of the device and the practicability of the device;
2. the utility model discloses a plurality of independent pressure detection post joint is at the fixed plate and is pressed between the board, and initial marking is carved with in each pressure detection post outside, and the deformation volume that can audio-visually observe the pressure detection post can whether damage in direct observation before the use, and the accessible adds inside elastic damping's form reconversion after damaging, maintains the life that has simply promoted the device greatly.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the internal structure schematic diagram of the pressure detecting column of the present invention.
Fig. 3 is a schematic view of the fixing plate structure of the present invention.
Fig. 4 is the structural schematic diagram of the pressure detecting column of the present invention.
Fig. 5 is a schematic diagram of a comparison file structure of the present invention.
Fig. 6 is a schematic diagram of a structure of a contrast file frame of the present invention.
The reference signs are: 1. a fixing plate; 2. a pressure detection column; 3. a pressure receiving plate; 4. a groove; 5. a metal contact pin; 6. a wire; 7. a control box; 8. a buzzer; 9. a sensor; 201. covering; 202. a rebound post; 203. a cylinder; 204. a distance sensor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The overload protection device of the high-altitude operation hanging basket lifter comprises a fixing plate 1, pressure detection columns 2 and a pressure receiving plate 3, wherein a plurality of grooves 4 matched with the pressure detection columns 2 are formed in opposite surfaces of the fixing plate 1 and the pressure receiving plate 3, metal contact pins 5 are arranged inside the grooves 4 on the surface of the fixing plate 1, the pressure detection columns 2 are clamped inside the grooves 4 between the fixing plate 1 and the pressure receiving plate 3, the output ends of the metal contact pins 5 are electrically connected with wires 6, the other ends of the wires 6 are electrically connected with a control box 7, a buzzer 8 is fixedly arranged inside the control box 7, and a control unit is arranged inside the control box 7;
as shown in fig. 2, the pressure detecting column 2 includes a cover 201 and a column 203, a distance sensor 204 is fixedly installed inside the column 203, a resilient column 202 is movably installed inside the column 203, and the cover 201 is sleeved on the top end of the column 203.
Fig. 5 and 6 show the structure of the comparison file.
The implementation mode is specifically as follows: through the independent fixing plate and the pressure detection column, the gravity center offset degree of the weight can be preliminarily estimated according to the shape of the weight when the device is used, and the pressure detection column is installed at the corresponding position, so that the stress point of the device can be changed according to the shape of the weight, the universality of the device is greatly improved, and the practicability of the device is improved; additionally, the utility model discloses a plurality of independent pressure detection post joint is carved with initial marking in the outside of each pressure detection post between fixed plate and the compression plate, can audio-visually observe the deformation volume of pressure detection post, can directly observe before the use whether damage, and the accessible adds inside elastic damping's form reconversion after damaging, maintains the life that has simply promoted the device greatly.
The surface of the control box 7 is provided with a circular grid, the buzzer 8 is positioned in the circular grid of the control box 7, the surface of the control box 7 is provided with an adjusting button, the maximum load of the hoisting equipment can be input into the control unit through the adjusting button, and the buzzer 8 can give an alarm when the maximum load is reached.
The control box 7 is internally provided with an analog-digital converter and a signal amplifier, the input end of the analog-digital converter is electrically connected with the output end of the signal amplifier, the output end of the analog-digital converter is electrically connected with the input end of a control unit in the control box 7, the input end of the signal amplifier is electrically connected with the lead 6, and the analog-digital converter and the signal amplifier are used for transmitting the electrical signals of the sensor to the control unit for data analysis.
Wherein, the inner wall diameter of the upper cover 201 slightly is greater than the external diameter of cylinder 203, and one side of distance sensor 204 is provided with the scale, can the visual deformation volume that observes the pressure detection post, can directly observe before the use whether damage.
The bottom of the distance sensor 204 is provided with a metal contact matched with the metal contact pin 5, the output end of the distance sensor 204 is electrically connected with the metal contact at the bottom of the distance sensor 204, and the control unit is used for analyzing and reading the model of the sensor.
The output end of the distance sensor 204 is electrically connected with the input end of the control unit in the control box 7 through the metal contact pin 5 and the lead 6, the buzzer 8 is electrically connected with the output end of the control unit in the control box 7, and once the highest load is reached, the control unit controls the buzzer 8 to give an alarm.
The rebound column 202 is formed by sleeving two cups, elastic damping is arranged in the rebound column 202, the rebound column is deformed when being compressed by stress of the elastic damping until being balanced with external force, and the rebound column restores to the original position when the external force is cancelled.
The utility model discloses the theory of operation:
firstly, a fixing plate 1 of the device is placed on a lifting hanging basket, the gravity center offset degree of a weight is preliminarily estimated according to the shape of the weight, a pressure plate 3 is installed after a pressure detection column 2 is installed at a corresponding position, the pressure plate 3 enables each pressure detection column 2 to be stressed uniformly after the weight is placed, after the pressure detection columns 2 are stressed, a sleeve cover 201 applies pressure to a rebound column 202, the rebound column 202 deforms when being compressed by the stress of elastic damping until being balanced with external force, a distance sensor 204 detects the descending degree of the sleeve cover 201, signals are transmitted to a control unit, once the alarm is controlled by the control unit beyond a set load, the buzzer 8 is controlled to give an alarm, and the external force reduces or cancels the rebound column 202 to recover the original position when the weight is removed.
Maintenance and repair: and when the force is not applied, whether the scale mark on the outer side of the pressure detection column 2 is in the initial position is checked, otherwise, the elastic damping of the same material is supplemented to the rebound column 202 by disassembling until the original height is recovered.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an overload protection device of eminence operation hanging flower basket lift, includes fixed plate (1), pressure detection post (2), receives pressure plate (3), its characterized in that: a plurality of grooves (4) matched with the pressure detection columns (2) are formed in opposite surfaces of the fixed plate (1) and the pressed plate (3), metal contact pins (5) are arranged inside the grooves (4) in the surface of the fixed plate (1), the pressure detection columns (2) are clamped inside the grooves (4) between the fixed plate (1) and the pressed plate (3), the output ends of the metal contact pins (5) are electrically connected with wires (6), the other ends of the wires (6) are electrically connected with a control box (7), a buzzer (8) is fixedly installed inside the control box (7), and a control unit is arranged inside the control box (7);
the pressure detection column (2) comprises a sleeve cover (201) and a column body (203), a distance sensor (204) is fixedly arranged inside the column body (203), a rebound column (202) is movably arranged inside the column body (203), and the sleeve cover (201) is sleeved at the top end of the column body (203).
2. An overload protection apparatus for a high-rise gondola lift according to claim 1 wherein: the surface of the control box (7) is provided with a circular grating, the buzzer (8) is positioned in the circular grating of the control box (7), and the surface of the control box (7) is provided with an adjusting button.
3. An overload protection apparatus for a high-rise gondola lift according to claim 1 wherein: an analog-digital converter and a signal amplifier are arranged in the control box (7), the input end of the analog-digital converter is electrically connected with the output end of the signal amplifier, the output end of the analog-digital converter is electrically connected with the input end of a control unit in the control box (7), and the input end of the signal amplifier is electrically connected with the lead (6).
4. An overload protection apparatus for a high-rise gondola lift according to claim 1 wherein: the diameter of the inner wall of the sleeve cover (201) is slightly larger than the outer diameter of the column body (203), and scales are arranged on one side of the distance sensor (204).
5. An overload protection apparatus for a high-rise gondola lift according to claim 1 wherein: the bottom of the distance sensor (204) is provided with a metal contact matched with the metal contact pin (5), and the output end of the distance sensor (204) is electrically connected with the metal contact at the bottom of the distance sensor (204).
6. An overload protection apparatus for a high-rise gondola lift according to claim 1 wherein: the output end of the distance sensor (204) is electrically connected with the input end of the control unit in the control box (7) through the metal contact pin (5) and the lead (6), and the buzzer (8) is electrically connected with the output end of the control unit in the control box (7).
7. An overload protection apparatus for a high-rise gondola lift according to claim 1 wherein: the rebound column (202) is formed by sleeving two cups, and elastic damping is arranged inside the rebound column (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921801460.9U CN210855200U (en) | 2019-10-25 | 2019-10-25 | Overload protection device of high-altitude operation hanging basket lifter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921801460.9U CN210855200U (en) | 2019-10-25 | 2019-10-25 | Overload protection device of high-altitude operation hanging basket lifter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210855200U true CN210855200U (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921801460.9U Active CN210855200U (en) | 2019-10-25 | 2019-10-25 | Overload protection device of high-altitude operation hanging basket lifter |
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| Country | Link |
|---|---|
| CN (1) | CN210855200U (en) |
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- 2019-10-25 CN CN201921801460.9U patent/CN210855200U/en active Active
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