CN218971109U

CN218971109U - High-precision movable type aerial work platform

Info

Publication number: CN218971109U
Application number: CN202222975836.6U
Authority: CN
Inventors: 何涛; 张晓昆
Original assignee: Shenzhen Hongcheng Technology Co ltd
Current assignee: Shenzhen Hongcheng Technology Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-05-05
Anticipated expiration: 2032-11-08

Abstract

The utility model discloses a high-precision movable high-altitude operation platform, which comprises a movable chassis, a positioning and locking mechanism, a height adjusting mechanism, a multi-axis mechanical arm and a function executing unit, wherein the positioning and locking mechanism is arranged on the chassis; the movable chassis is provided with a transfer device, and the positioning locking mechanism is arranged on the movable chassis so that the positioning locking mechanism locks the movable chassis with the preset position to keep the position fixed after the movable chassis moves to the preset position through the transfer device. The positioning and locking mechanism enables the position of the whole high-precision movable aerial work platform to be accurately and stably locked, so that the function execution unit can accurately perform construction operation, the high-precision movable aerial work platform has the characteristic of high operation precision, and the high-precision movable aerial work platform is applicable to aerial work scenes with high requirements on construction stability and precision.

Description

High-precision movable type aerial work platform

Technical Field

The utility model relates to a high-precision movable aerial work platform.

Background

With the high-speed development of large-scale construction projects such as railways, subways and highways, when a tunnel is penetrated, a large number of auxiliary facilities such as signal cables, power cables and the like are required to be paved on the inner wall of the tunnel, a large number of repeated construction operations (such as drilling and the like) are required to be performed on the inner wall of the tunnel, and at present, a movable working platform is generally adopted to carry a mechanical arm for operation, but the conventional movable working platform has the problem of poor positioning precision, so that the mechanical arm and a working module cannot be accurately and stably moved to a working area, and the defect of low operation precision exists.

Disclosure of Invention

In order to solve at least one of the problems in the prior art, a high-precision mobile aerial work platform is provided, which comprises: the device comprises a movable chassis, a positioning and locking mechanism, a height adjusting mechanism, a multi-axis mechanical arm and a function executing unit; the movable chassis is provided with a transfer device, and the positioning locking mechanism is arranged on the movable chassis so as to lock the movable chassis with a preset position and keep the position fixed after the movable chassis moves to the preset position through the transfer device; the height adjusting mechanism is arranged on the movable chassis, the multi-axis mechanical arm is arranged on the height adjusting mechanism, and the function executing unit is arranged on the multi-axis mechanical arm.

Like this, select corresponding function execution unit according to corresponding use scene when using, then remove this high accuracy portable aerial working platform through carrying the device to preset position, then rethread location locking mechanism keeps fixed with movable chassis and preset position locking, then high adjustment mechanism is accurate with multiaxis arm and function execution unit lifting to suitable working height, under high adjustment mechanism's support, multiaxis arm drive function execution unit arrives work area and carries out the operation, location locking mechanism makes the accurate and stable locking of whole high accuracy portable aerial working platform's position, so that function execution unit carries out construction operation accurately, make this high accuracy portable aerial working platform have the characteristics that the operation precision is high.

In some embodiments, the movable chassis includes a base support, a lifting platform, and a platform driving structure, the base support is disposed on the transfer device, the height adjustment mechanism is disposed on the lifting platform, the lifting platform is slidably disposed on the base support, and the platform driving structure is configured to drive the lifting platform to rise or fall on the base support.

Thus, the height adjusting mechanism is used for finely adjusting the working heights of the multi-axis mechanical arm and the function executing unit, so that the problem of short adjusting stroke exists; when working stroke is insufficient, the lifting platform is driven to ascend or descend on the base support through the platform driving structure, so that the height adjustment stroke coverage range is increased, the lifting platform and the height adjustment mechanism form high-precision adjustment and large-stroke adjustment collocation, the precision of height adjustment is guaranteed, and the requirement of wide height adjustment stroke coverage range is also guaranteed.

In some embodiments, the base support is provided with a lifting space for accommodating the lifting platform, a guide rail is arranged on the side wall of the lifting space, and a guide wheel matched with the guide rail in a sliding manner is arranged on the lifting platform.

Like this, when platform drive structure drive lift platform rises or descends at the base support, the leading wheel on the lift platform rolls on the guide rail for the lift platform can realize sliding on the base support.

In some embodiments, the platform drive structure includes an adjustment hand wheel, a screw, and a nut; the screw rod is rotatably arranged on the base support, the adjusting hand wheel is arranged at the free end of the screw rod, the nut is arranged on the lifting platform, and the screw rod is matched with the nut in a threaded connection mode so that the screw rod can be driven to rotate through shaking of the adjusting hand wheel, and the nut is driven to lift and move along with the lifting platform.

Therefore, a user can drive the screw rod to rotate through shaking the adjusting hand wheel, and then the screw rod drives the nut to drive the lifting platform to lift and move, so that the lifting platform is driven to lift or descend on the base support.

In some embodiments, the system further comprises a running rail matched with the transfer device, wherein the running rail is arranged along the preset working track.

Therefore, when in construction, the running track can be installed and arranged along the preset working track in advance, and then the high-precision movable high-altitude operation platform is sequentially moved to a plurality of preset positions for multiple operations, so that the working efficiency is improved.

In some embodiments, the transfer device includes a chassis frame, universal wheels, and lateral anti-tipping wheels; the universal wheels and the lateral anti-tipping wheels are arranged on the chassis frame, the universal wheels are abutted with the bearing surface of the running track, and the lateral anti-tipping wheels are abutted with the side surface of the running track.

Therefore, the front and the side of the running rail are clamped by the universal wheels and the side anti-tipping wheels, so that the transfer device and the running rail are prevented from derailing.

In some embodiments, the running track is provided with a preset positioning hole corresponding to the preset position, and the positioning locking mechanism comprises a support leg, a spring and a positioning pin; the locating pin is telescopically arranged on the supporting leg, and the spring is arranged between the locating pin and the supporting leg.

Therefore, after the transfer device carries the high-precision mobile aerial work platform to reach the preset position, the positioning pin is inserted into the preset positioning hole under the thrust of the spring, so that the position of the whole high-precision mobile aerial work platform is accurately and stably locked.

In some embodiments, the height adjustment mechanism is a servo-electrically driven three-stage lift column.

Thus, the servo motor drives the height adjusting mechanism to carry out height compensation adjustment, and the accuracy of height adjustment is provided.

In some embodiments, the multi-axis robotic arm is a six-axis co-operating robotic arm.

In some embodiments, the function execution unit includes a drill gun and a gun holder, the drill gun being disposed on the gun holder, the gun holder being mounted on the multi-axis robotic arm.

Therefore, the high-precision mobile aerial work platform can be applied to tunnel side wall punching operation scenes.

Drawings

FIG. 1 is a schematic view of a high-precision mobile aerial work platform according to one embodiment of the present utility model;

FIG. 2 is a schematic view of the lifting platform of the high-precision mobile aerial platform shown in FIG. 1 after lifting on the base support;

FIG. 3 is a front view of the high-precision mobile aerial work platform of FIG. 1;

FIG. 4 is a schematic view of a mobile chassis and a transfer device in the high-precision mobile aerial platform of FIG. 1;

FIG. 5 is a schematic view of a positioning and locking mechanism in the high-precision mobile aerial work platform of FIG. 1;

FIG. 6 is a schematic view of the transfer device of the high-precision mobile aerial platform shown in FIG. 1 disposed on a travel rail;

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a schematic diagram of a function execution unit in the high-precision mobile aerial work platform of FIG. 1;

FIG. 9 is an exploded view of FIG. 8;

fig. 10 is a schematic view of a high-precision mobile aerial platform according to yet another embodiment of the present utility model.

Wherein the reference numerals have the following meanings:

1. a movable chassis; 11. a base bracket; 12. a lifting platform; 13. a transfer device; 131. a chassis frame; 132. a universal wheel; 133. a lateral anti-tipping wheel; 2. positioning and locking mechanism; 21. a support leg; 22. a spring; 23. positioning pin posts; 3. a height adjusting mechanism; 4. a multi-axis mechanical arm; 5. a function execution unit; 51. drilling gun; 52. a gun holder; 53. an organ type hose; 54. a dust collection pipe; 55. a cylindrical damper spring; 6. a travel rail; 71. a guide rail; 72. a guide wheel; 81. an adjusting hand wheel; 82. and (3) a screw.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The utility model is described in further detail below with reference to the accompanying drawings.

Embodiment one:

fig. 1 to 9 schematically show a high-precision mobile aerial work platform according to an embodiment of the present utility model, including: the device comprises a movable chassis 1, a positioning and locking mechanism 2, a height adjusting mechanism 3, a multi-axis mechanical arm 4 and a function executing unit 5; the movable chassis 1 is provided with a transfer device 13, and the positioning and locking mechanism 2 is arranged on the movable chassis 1 so that after the movable chassis 1 moves to a preset position through the transfer device 13, the positioning and locking mechanism 2 locks the movable chassis 1 with the preset position to keep the position fixed; the height adjusting mechanism 3 is arranged on the movable chassis 1, the multi-axis mechanical arm 4 is arranged on the height adjusting mechanism 3, and the function executing unit 5 is arranged on the multi-axis mechanical arm 4. In detail, in the present embodiment, the function execution unit 5 is a function module that punches a tunnel sidewall. In other embodiments, the specific functions of the function execution unit 5 may be appropriately adjusted and developed according to the actual situation, such as spraying, painting, etc.

Like this, select corresponding function execution unit 5 according to corresponding service scenario when using, then remove this high accuracy portable aerial work platform through transfer device 13 to preset position, then the movable chassis 1 is fixed with preset position locking maintenance position through location locking mechanism 2 again, then the height adjustment mechanism 3 is accurate with multiaxis arm 4 and function execution unit 5 lifting to suitable working height, under the support of height adjustment mechanism 3, multiaxis arm 4 drive function execution unit 5 arrives the work area and carries out the operation, location locking mechanism 2 makes the accurate and stable locking of whole high accuracy portable aerial work platform's position, so that function execution unit 5 carries out construction operation accurately, make this high accuracy portable aerial work platform have the characteristics that the operation precision is high. In the actual operation process of the existing equipment, if the operation construction height is not high, the swing degree of the mechanical arm is not large, and the influence on the operation precision is not large; however, if the height of the work construction is too high (for example, more than 5 meters), the stability of the mechanical arm and the precision of the functional operation of the working module are difficult to ensure; the positioning and locking mechanism 2 is adopted, so that the position of the whole high-precision movable aerial work platform is accurately and stably locked, the function execution unit 5 accurately performs construction operation, and the high-precision movable aerial work platform is applicable to aerial work scenes with high requirements on construction stability and precision.

In the present embodiment, the movable chassis 1 includes a base support 11, a lifting platform 12, and a platform driving structure, the base support 11 is provided on the transfer device 13, the height adjusting mechanism 3 is provided on the lifting platform 12, the lifting platform 12 is slidably provided on the base support 11, and the platform driving structure is provided for driving the lifting platform 12 to rise or fall on the base support 11. Thus, since the height adjusting mechanism 3 is used for fine-adjusting the working heights of the multi-axis mechanical arm 4 and the function executing unit 5, there is a problem that the adjusting stroke is short; when working stroke is insufficient, the lifting platform 12 is driven to ascend or descend on the base support 11 through the platform driving structure, so that the height adjustment stroke coverage range is enlarged, the lifting platform 12 and the height adjustment mechanism 3 form high-precision adjustment and large-stroke adjustment collocation, the precision of height adjustment is ensured, and the requirement of wide height adjustment stroke coverage range is also ensured.

In this embodiment, the base bracket 11 is provided with a lifting space for accommodating the lifting platform 12, a guide rail 71 is provided on a side wall of the lifting space, and a guide wheel 72 slidably matched with the guide rail 71 is provided on the lifting platform 12. Thus, when the platform driving structure drives the lifting platform 12 to ascend or descend on the base frame 11, the guide wheels 72 on the lifting platform 12 roll on the guide rails 71, so that the lifting platform 12 can slide on the base frame 11.

In this embodiment, the platform driving structure includes an adjusting hand wheel 81, a screw 82, and a nut; wherein, screw rod 82 rotationally sets up on base support 11, and adjusting handle 81 sets up the free end at screw rod 82, and the nut setting is on lift platform 12, screw rod 82 and nut threaded connection cooperation to can drive screw rod 82 rotation through rocking adjusting handle 81, and drive the nut and bring lift platform 12 to go up and down to remove. In other embodiments, the specific structure of the platform driving structure may be appropriately adjusted according to the actual situation, that is, any structure may be used as long as the lifting platform 12 can be driven to rise or fall on the base frame 11. Thus, the user can drive the screw 82 to rotate by shaking the adjusting hand wheel 81, and then the screw 82 drives the nut to lift and move along with the lifting platform 12, so that the lifting platform 12 is driven to lift or descend on the base bracket 11.

In further detail, in this embodiment, a locking bolt is further provided on the adjustment hand wheel 81, and when the height stroke adjustment is completed, the adjustment hand wheel 81 is locked against rotation by the locking bolt.

In this embodiment, the apparatus further includes a running rail 6 configured to be matched with the transfer device 13, where the running rail 6 is arranged along a preset working track. Therefore, when in construction, the running rail 6 can be installed and arranged along the preset working track in advance, and then the high-precision movable type aerial working platform is sequentially moved to a plurality of preset positions for multiple times of operation, so that the working efficiency is improved.

In the present embodiment, the transfer device 13 includes a chassis frame 131, universal wheels 132, and lateral anti-tipping wheels 133; the universal wheel 132 and the lateral anti-tipping wheel 133 are both installed on the chassis frame 131, the universal wheel 132 is abutted with the bearing surface of the running rail 6, and the lateral anti-tipping wheel 133 is abutted with the side surface of the running rail 6. In this way, the transfer device 13 is prevented from derailing from the travel rail 6 because the universal wheels 132 and the lateral anti-tipping wheels 133 clamp the front and lateral sides of the travel rail 6.

In this embodiment, the running rail 6 is provided with a preset positioning hole corresponding to a preset position, and the positioning and locking mechanism 2 includes a support leg 21, a spring 22 and a positioning pin 23; the positioning pin 23 is telescopically arranged on the leg 21, and the spring 22 is arranged between the positioning pin 23 and the leg 21. In other embodiments, the specific structure of the positioning and locking mechanism 2 can be adjusted appropriately according to the actual situation. Thus, when the transfer device 13 carries the book high-precision movable aerial platform to a preset position, the positioning pin 23 is inserted into the preset positioning hole under the thrust of the spring 22, so that the position of the whole high-precision movable aerial platform is accurately and stably locked.

In detail, in this embodiment, the positioning pin 23 adopts a pure mechanical structure without electric power, the end of the positioning pin 23 is a round head, the preset positioning hole is set to be a conical hole, and when the positioning pin 23 encounters the preset positioning hole along with the movement of the transfer device 13, the positioning pin 23 is inserted into the preset positioning hole to be locked under the thrust of the spring 22; when the function execution unit 5 finishes working, the running torque of the device is larger than the friction force of the spring 22 and the conical surface hole, and the device continues running.

In this embodiment, the height adjusting mechanism 3 is a servo-electrically driven three-stage lifting column. Thus, the height adjustment mechanism 3 is driven by the servo motor to perform the height compensation adjustment, providing the accuracy of the height adjustment.

In the present embodiment, the multi-axis robot 4 is a six-axis cooperative robot. In other embodiments, the specific number and shape of the multi-axis mechanical arms 4 may be appropriately adjusted according to the actual situation.

In the present embodiment, the function execution unit 5 includes a drill gun 51 and a gun holder 52, the drill gun 51 being provided on the gun holder 52, the gun holder 52 being mounted on the multi-axis robot arm 4. Therefore, the high-precision mobile aerial work platform can be applied to tunnel side wall punching operation scenes.

In detail, in the present embodiment, the function execution unit 5 further includes an organ type hose 53, a dust suction pipe 54, and an industrial cleaner; wherein, the organ type hose 53 is sleeved on the drill bit part of the drill gun 51, the industrial dust collector is arranged on the movable chassis 1, one end of the dust collection pipe 54 is connected with the organ type hose 53 in a penetrating way, and the other end of the dust collection pipe 54 is connected to a dust collection opening of the industrial dust collector in an extending way. Thus, when the drilling gun 51 drills a hole on a wall, the organ type hose 53 covers the drilling area so that dust does not fly away, and meanwhile, the industrial dust collector is started, dust generated during the operation is sucked away through the dust collecting pipe 54, and dust pollution generated during the construction is reduced. In addition, the cylindrical damping spring 55 is nested on the drill head part of the drill gun 51, so that impact vibration of the drill gun 51 during working is reduced.

Example two

The present embodiment differs from the first embodiment in that:

as shown in fig. 10, in this embodiment, the height adjusting mechanism 3 is a hydraulic scissor lift; the load carrying capacity of the height adjustment mechanism 3 is enhanced by using a more powerful hydraulic pressure as the driving force.

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

1. High accuracy portable aerial work platform, its characterized in that includes: the device comprises a movable chassis, a positioning and locking mechanism, a height adjusting mechanism, a multi-axis mechanical arm and a function executing unit;

the movable chassis is provided with a transfer device, and the positioning locking mechanism is arranged on the movable chassis to lock and keep the movable chassis and the preset position fixed after the movable chassis moves to the preset position through the transfer device;

the height adjusting mechanism is arranged on the movable chassis, the multi-axis mechanical arm is arranged on the height adjusting mechanism, and the function executing unit is arranged on the multi-axis mechanical arm.

2. The high precision mobile aerial work platform of claim 1 wherein the movable chassis comprises a base support provided on the transfer device, a lifting platform provided slidably on the base support, and a platform drive structure provided for driving the lifting platform to rise or fall on the base support.

3. The high-precision mobile aerial work platform of claim 2 wherein the base support is provided with a lifting space for accommodating the lifting platform, a guide rail is arranged on the side wall of the lifting space, and a guide wheel matched with the guide rail in a sliding manner is arranged on the lifting platform.

4. The high precision mobile aerial work platform of claim 2 wherein the platform drive structure comprises an adjustment hand wheel, a screw, and a nut; the screw is rotatably arranged on the base support, the adjusting hand wheel is arranged at the free end of the screw, the nut is arranged on the lifting platform, the screw is matched with the nut in a threaded connection mode, the screw can be driven to rotate through shaking the adjusting hand wheel, and the nut is driven to lift and move with the lifting platform.

5. The high-precision mobile aerial work platform of any of claims 1 to 4 further comprising travel rails disposed in association with the transfer device, the travel rails being arranged along a predetermined work trajectory.

6. The high-precision mobile aerial work platform of claim 5 wherein the transfer device comprises a chassis frame, universal wheels, and lateral anti-tipping wheels; the universal wheels and the lateral anti-tipping wheels are both arranged on the chassis frame, the universal wheels are abutted to the bearing surface of the running track, and the lateral anti-tipping wheels are abutted to the side surface of the running track.

7. The high-precision mobile aerial work platform of claim 5 wherein the travel rail is provided with a preset positioning hole corresponding to the preset position, and the positioning locking mechanism comprises a support leg, a spring and a positioning pin; the locating pin is telescopically arranged on the supporting leg, and the spring is arranged between the locating pin and the supporting leg.

8. The high precision mobile aerial work platform of claim 1 wherein the height adjustment mechanism is a servo-electrically driven three stage lift column.

9. The high-precision mobile aerial work platform of claim 1 wherein the multi-axis robotic arm is a six-axis co-operating robotic arm.

10. The high precision mobile aerial work platform of claim 1 wherein the function execution unit comprises a drill gun disposed on a gun holder and a gun holder mounted on the multi-axis robotic arm.