CN210319222U

CN210319222U - Multistage elevating system and equipment of patrolling and examining

Info

Publication number: CN210319222U
Application number: CN201920719381.7U
Authority: CN
Inventors: 张翔; 穆方波
Original assignee: Zhejiang Dahua Technology Co Ltd
Current assignee: Zhejiang Huaray Technology Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-04-14
Anticipated expiration: 2029-05-17

Abstract

The utility model relates to the technical field of lifting structures of inspection equipment, in particular to a multi-stage lifting mechanism and inspection equipment with the multi-stage lifting mechanism, the multi-stage lifting mechanism comprises a plurality of lifting components and a lead screw connected between the adjacent lifting components, the lead screw is rotatablely connected with one of the adjacent lifting components and is in threaded fit with the other lifting component, so that the rotation of the lead screw can drive the adjacent lifting components to relatively lift, the multi-stage lifting mechanism also comprises a power source and a transmission component connected with the output end of the power source, all the lead screws are connected on the transmission component and can synchronously rotate under the driving of the power source, the lead screw used for driving the relative lifting between the adjacent lifting components is connected into the transmission component, and the transmission component is driven by one power source, which is equivalent to that one power source drives a plurality of lifting components to synchronously lift, and can obtain a proper lifting ratio, simplify the control of multistage elevating system, reduce equipment cost.

Description

Multistage elevating system and equipment of patrolling and examining

Technical Field

The utility model relates to a lifting structure technical field of equipment of patrolling and examining especially relates to a multistage elevating system and have this multistage elevating system's equipment of patrolling and examining.

Background

Along with the rapid development of the unattended technology of the power system, the inspection robot is becoming more and more common in the use of a power distribution room, and the function of the inspection robot is also becoming more and more powerful at present: the state of distribution room equipment and environment (equipment instrument state, equipment joint temperature, equipment partial discharge phenomenon, environment humiture, O3 gas, smog, new fan etc.) can real-time detection, and many of these detection items only rely on people's naked eye to be unable to detect. The pointer and the reading of the meter of the power distribution cabinet are important contents of the inspection work of the inspection robot, the meter can be distributed at each position from top to bottom on the power distribution cabinet, in order to achieve the best inspection effect, the cloud platform on the inspection robot needs to be kept right opposite to the meter on the power distribution cabinet to shoot in the inspection process, and therefore the cloud platform of the inspection robot needs to be capable of lifting in the vertical direction and can be accurately suspended at any height position to meet the shooting requirements of the meters with different heights in the power distribution cabinet.

In order to be able to shoot the meter at the highest position of the power distribution cabinet, the lifting mechanism on the inspection robot is often configured to be multi-stage and can be extended and retracted stage by stage. However, in the lifting mechanism disclosed in the related art, a motor is often required to be provided for each stage of the lifting mechanism in the multi-stage lifting mechanism. In the multi-stage lifting mechanism, the number of the motors is large, so that the control is complex and the cost is high.

In view of the above, a new lifting mechanism is needed.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a multi-stage elevating mechanism and inspection equipment, which can drive a multi-stage elevating device in an elevating mechanism with one power source, thereby simplifying the control of the multi-stage elevating mechanism.

The utility model provides a multistage elevating system, multistage elevating system includes a plurality of lifting unit to and connect adjacently lead screw between the lifting unit, the lead screw rotationally connects in adjacent one of lifting unit to with another screw-thread fit, so that the rotation of lead screw can drive adjacently lifting unit goes up and down relatively, multistage elevating system still include the power supply with connect in the drive assembly of power supply output end, whole lead screw connect in drive assembly is last and can be in synchronous rotation under the power supply drive.

In one embodiment, the lifting assembly includes a first end plate and a second end plate, and the lead screw is pivotally supported between the first end plate and the second end plate.

In one embodiment, a support rod is arranged between the first end plate and the second end plate and supported between the first end plate and the second end plate, and the support rod is arranged in parallel to the lead screw.

In one embodiment, the first end plate and/or the second end plate is provided with a sliding guide, and the support rod passes through the sliding guide to slidably guide the relative lifting of the adjacent lifting assemblies.

In one embodiment, the sliding guide is provided as a linear bearing.

In one embodiment, the transmission assembly includes a driving wheel connected to the output end of the power source, a driven wheel correspondingly disposed on each lead screw, and a transmission belt wound around the driving wheel and all the driven wheels.

In one embodiment, the transmission assembly further comprises an idler pulley arranged outside the transmission belt and used for increasing the wrapping angle of the transmission belt on the driven wheel.

In one embodiment, the driving wheel and the driven wheel are both provided as synchronous pulleys, and the transmission belt is provided as a synchronous belt in meshing transmission with the synchronous pulleys.

In one embodiment, a screw nut is further disposed on the lifting assembly, and the screw nut is in threaded fit with the screw, and/or the screw is a ball screw.

The utility model discloses another aspect still provides an equipment of patrolling and examining, equipment of patrolling and examining includes foretell multistage elevating system.

In the multi-stage lifting mechanism, the lead screws used for driving the adjacent lifting assemblies to relatively lift are connected to the transmission assembly, the transmission assembly is driven by one power source, and equivalently, one power source drives a plurality of groups of lifting assemblies to synchronously lift, so that the control of the multi-stage lifting mechanism can be simplified while a proper lifting ratio is obtained, and the equipment cost is reduced. Especially in the embodiment that the screw is set as the ball screw, the multi-stage lifting mechanism can obtain higher hovering precision and service life because the relative lifting distance of the lifting assembly can be precisely controlled.

Drawings

FIG. 1 is a block diagram of a multi-stage lift mechanism including a three-stage lift platform;

FIG. 2 is a block diagram of the first floor lift platform of FIG. 1;

FIG. 3 is a block diagram of the second deck lift platform of FIG. 1;

FIG. 4 is a block diagram of the third deck lift platform of FIG. 1;

FIG. 5 is a block diagram of the multi-stage lift mechanism in a nearly fully collapsed condition;

fig. 6 is a structural view of the multi-stage elevating mechanism in a nearly fully developed state.

Description of the reference numerals

1. A lifting assembly; 10. a first end plate; 100. a first mounting hole; 101. a second mounting hole; 11. a second end plate; 110. avoiding holes; 12. a support bar; 2. a lead screw; 3. a power source; 4. a transmission assembly; 40. a driving wheel; 41. a driven wheel; 42. a transmission belt; 43. an idler pulley; 5. a lead screw nut; 6. a sliding guide; 7. a bearing assembly; I. a first layer of lifting platform; II. A second layer of lifting platform; III, a third layer of lifting platform.

Detailed Description

As shown in fig. 1, the multi-stage lifting mechanism according to an embodiment of the present invention includes a plurality of lifting assemblies 1, and a lead screw 2 connected between adjacent lifting assemblies 1, wherein: one end of the screw rod 2 is rotatably connected to one of the adjacent lifting assemblies 1 and is in threaded fit with the other lifting assembly 1, and when the screw rod 2 rotates, the adjacent lifting assemblies 1 can be driven to relatively lift. The multi-stage lifting mechanism further comprises a power source 3, in some embodiments, the power source 3 is a motor with accurately controllable rotating speed, such as a servo motor and a stepping motor, the transmission assembly 4 is arranged at the output end of the power source 3, and all the lead screws 2 are connected to the transmission assembly 4, so that the motion output by the power source 3 is firstly transmitted to the transmission assembly 4 and is respectively transmitted to the lead screws 2 connected to the transmission assembly 4, and all the lead screws 2 are driven by the single power source 3 to synchronously act. It can be understood that the multi-stage lifting mechanism shown in fig. 1 includes a first-layer lifting platform I, a second-layer lifting platform II and a third-layer lifting platform III, which is equivalent to a three-stage lifting mechanism shown in the figure, but the number of the lifting assemblies 1 can be increased or decreased according to different application occasions, so as to adapt to the actual lifting height and lifting ratio requirements, and only the number of the screws 2 connected to the transmission assembly 4 needs to be increased or decreased accordingly.

In the illustrated embodiment, as shown in fig. 2 to 4 in addition to fig. 1, the support assembly 1 includes a first end plate 10 and a second end plate 11 spaced apart from each other in the axial direction of the screw 2, and the screw 2 is rotatably supported between the first end plate 10 and the second end plate 11. In some embodiments, a support rod 12 parallel to the screw 2 is further disposed between the first end plate 10 and the second end plate 11, for example, three support rods 12 are disposed between the first end plate 10 and the second end plate 11 in the structures of the first layer lifting platform I and the second layer lifting platform II shown in fig. 2 and 3; in the third layer of lifting platform III shown in fig. 4, two support rods 12 are disposed between the first end plate 10 and the second end plate 11. The first end plate 10 and/or the second end plate 11 are provided with a sliding guide 6, and the support rod 12 passes through the sliding guide 6, and the two are in sliding fit to slidably guide the relative lifting of the adjacent lifting assemblies 1. For a higher lifting accuracy, the sliding guide 6 may be provided as a linear bearing.

The lifting component 1 can also be provided with a screw nut 5 which is in threaded fit with the screw 2. In embodiments where the lead screw nut 5 is not provided, the first end plate 10 and/or the second end plate 11 of the lifting assembly 1 may be apertured and threaded to enable the lead screw 2 to be threadedly engaged therewith. The screw rod 2 can also be set as a ball screw, so that the hovering precision of the multi-stage lifting mechanism is higher, and the service life is longer. Further, in order to provide the screw nut 5 in the lifting assembly 1, in the first layer lifting platform I shown in fig. 2, a first end plate 10 is further provided with a first mounting hole 100, and the screw nut 5 in threaded fit with the screw 2 in fig. 3 is mounted in the first mounting hole 100.

Referring to fig. 1 and 3, along the axial direction of the screw 2, the second end plate 11 of the second layer of lifting platform II shown in fig. 3 is located between the two end plates of the second layer of lifting platform I in fig. 2, so that the screw 2 and the screw nut 5 in the first mounting hole 100 form a screw nut pair. The first end plate 1 of the second layer lifting platform II shown in fig. 3 is also provided with a second mounting hole 101 for arranging the screw nut 5. In the illustrated embodiment, there are two mounting holes two 101, and correspondingly, two lead screws 2 are provided on the third lifting platform III, and are respectively screwed with the lead screw nuts 5 provided in the two mounting holes two 101. Because the power of the two lead screws 2 is from the transmission component 4, the form of the two lead screws 2 can make the relative lifting process of the lifting component 1 in the multi-stage lifting mechanism more stable. In some embodiments, the lead screw nut 5 is disposed in the second mounting hole 101 through the bearing assembly 7. Specifically, the bearing assembly 7 is embedded in the second mounting hole 101, the lead screw nut 5 is embedded in the bearing assembly 7, and the lead screw 2 penetrates through the lead screw nut 5 and is in threaded fit with the lead screw nut 5.

Referring to fig. 1 to 4, the transmission assembly 4 may be configured as a belt transmission assembly as shown in the figure, which includes a driving wheel 40 connected to the output end of the power source 3, a driven wheel 41 correspondingly disposed on each lead screw 2, and a transmission belt 42 wound around the driving wheel 40 and all the driven wheels 41. The rotary power at the output end of the power source 3 drives the driving wheel 40 to rotate, and drives each driven wheel 41 to synchronously rotate through the transmission belt 42, so that the lead screws 2 connected to each driven wheel 41 also synchronously rotate, thereby realizing that a plurality of lead screws 2 are driven by a single power source 3 to rotate, and further enabling a plurality of groups of lifting assemblies 1 in the multi-stage lifting mechanism to relatively lift. According to the type of the transmission belt 42, the transmission assembly 4 may be a flat belt transmission assembly, a V-belt transmission assembly, or a synchronous belt transmission assembly, a synchronous belt transmission assembly is adopted in the illustrated multi-stage lifting mechanism, the driving wheel 40 and the driven wheel 41 are provided as synchronous belt wheels, and the transmission belt 42 is provided as a synchronous belt engaged with the synchronous belt wheels. Compare in flat belt drive assembly and V belt drive assembly, synchronous belt drive assembly can eliminate the problem of skidding of drive belt 42 basically, and when the cooperation adopted servo motor or step motor etc. as power supply 3, the relative lift height of adjacent lifting unit 1 of control that can be accurate, and then made multistage elevating system have higher precision of hovering.

In some embodiments, the transmission assembly 4 further comprises an idler pulley 43 for increasing the wrap angle of the transmission belt 42 on the driven pulley 41. When the transmission assembly 4 is configured as a flat belt transmission assembly or a V-belt transmission assembly, the idler pulley 43 is configured to enable the transmission belt 42 to be reliably tensioned between the driven pulley 41 and the driving pulley 40, and when the transmission assembly 4 is configured as a synchronous belt transmission assembly, the idler pulley can enable the wrapping angle of the transmission belt 42 on the driven pulley 41 to be increased, so that the meshing reliability between the transmission belt 42 and the driven pulley 41 is increased, and the lifting precision of the multi-stage lifting mechanism is improved.

Referring to fig. 1 to 6, a power source 3 and a transmission assembly 4 are disposed on a first end plate 10 of a second layer of lifting platform II, when the power source 3 drives a driving wheel 40 to rotate, the driving wheel 40 drives a transmission belt 42 to move, so as to drive all driven wheels 41 to rotate, at this time, a lead screw 2 located between the first end plate 10 and a second end plate 11 on the second layer of lifting platform II rotates, as a lead screw nut 5 in threaded fit with the lead screw nut is fixedly embedded in a mounting hole 100, the lead screw 2 in the set of lead screw nut pairs rises, at the same time, two lead screw nuts 5 located on a third layer of lifting platform III rotate, and drive the lead screw 2 in fit with the lead screw nuts to lift relative to the first end plate 10 of the second layer of lifting platform II where the lead screw nuts 5 are located, so that the multi-stage lifting mechanism can be unfolded from a state close to complete folding in fig. 5 to a state shown. The reverse rotation of the power source 3 enables the reverse process.

Furthermore, the utility model also provides an equipment of patrolling and examining should patrol and examine the multistage elevating system who adopts above-mentioned arbitrary embodiment in the equipment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a multistage elevating system, multistage elevating system includes a plurality of lifting unit (1), and connect adjacent lead screw (2) between lifting unit (1), lead screw (2) rotationally connect adjacent one in lifting unit (1) to with another screw-thread fit, so that the rotation of lead screw (2) can drive adjacent lifting unit (1) goes up and down relatively, its characterized in that, multistage elevating system still includes power supply (3) and connect in drive assembly (4) of power supply (3) output, all lead screw (2) connect in on drive assembly (4) and can be in under the power supply (3) drive synchronous rotation.

2. The multi-stage lifting mechanism according to claim 1, wherein the lifting assembly (1) comprises a first end plate (10) and a second end plate (11), the screw (2) being rotatably supported between the first end plate (10) and the second end plate (11).

3. The multi-stage lifting mechanism according to claim 2, wherein a support bar (12) is arranged between the first end plate (10) and the second end plate (11), the support bar (12) being arranged parallel to the screw (2).

4. The multi-stage lifting mechanism according to claim 3, wherein a sliding guide (6) is provided on the first end plate (10) and/or the second end plate (11), the support rod (12) passing through the sliding guide (6) to slidably guide the relative lifting of adjacent lifting assemblies (1).

5. The multi-stage lifting mechanism according to claim 4, wherein the sliding guide (6) is provided as a linear bearing.

6. The multi-stage lifting mechanism according to claim 1, wherein the transmission assembly (4) comprises a driving wheel (40) connected to the output end of the power source (3), a driven wheel (41) correspondingly arranged on each lead screw (2), and a transmission belt (42) wound around the driving wheel (40) and all the driven wheels (41).

7. The multi-stage lifting mechanism according to claim 6, wherein the transmission assembly (4) further comprises an idler pulley (43) arranged outside the transmission belt (42) for increasing the wrap angle of the transmission belt (42) on the driven pulley (41).

8. The multi-stage lifting mechanism according to claim 6, wherein the driving pulley (40) and the driven pulley (41) are provided as synchronous pulleys, and the transmission belt (42) is provided as a synchronous belt in meshing transmission with the synchronous pulleys.

9. The multi-stage lifting mechanism according to any one of claims 1 to 8, wherein the lifting assembly (1) is further provided with a screw nut (5) in threaded engagement with the screw (2), and/or wherein the screw (2) is provided as a ball screw.

10. An inspection apparatus, characterized in that it comprises a multi-stage elevating mechanism according to any one of claims 1 to 9.