CN216110528U

CN216110528U - Anchoring drilling machine

Info

Publication number: CN216110528U
Application number: CN202122328494.4U
Authority: CN
Inventors: 李鹏鹏
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-03-22
Anticipated expiration: 2031-09-23

Abstract

The utility model provides an anchoring drilling machine, relates to the technical field of anchoring drilling machines, and solves the technical problem that the anchoring drilling machine in the prior art is inconvenient to use; the drilling platform device and the working platform device are arranged on the platform posture adjusting device, the drilling platform device is provided with a movable drill rod device, the platform posture adjusting device can adjust the inclination angle of the drilling platform device, and the platform posture adjusting device can adjust the working platform device to be in a horizontal state; according to the drilling platform device, the working platform device is kept in a horizontal state all the time in the using process through the platform posture adjusting device, so that the operation of constructors and the installation of equipment are facilitated, the use is safe and reliable, the drilling direction can be adjusted by adjusting the inclination angle of the drilling platform device, and the drilling effect is obvious.

Description

Anchoring drilling machine

Technical Field

The utility model relates to the technical field of anchoring drilling machines, in particular to an anchoring drilling machine.

Background

The anchoring drilling machine is mainly applied to landslide and dangerous rock mass anchoring engineering in prevention and control of various geological disasters of hydropower stations, railways and road side slopes, is particularly suitable for high-slope rock mass anchoring engineering, is also suitable for construction of urban deep foundation pit support, anti-floating anchor rods, foundation grouting reinforcement engineering holes, blasting holes of blasting engineering, high-pressure jet grouting piles, tunnel pipe shed support holes and the like, and can conveniently carry out all-dimensional construction by slightly changing the power head of the anchoring drilling machine. In the pore-forming construction practices of various complex stratums and different drilling methods, the excellent pore-forming performance is approved by vast construction units and the same lines.

The drill rod component of the existing anchoring drilling machine for supporting the deep foundation pit and the side slope is usually arranged on a working platform, the drilling angle of the drill rod component is often required to be adjusted in the drilling process, the working platform can be inclined along with the adjustment of the drilling angle, the inclination of the platform greatly influences the normal operation of constructors, and the inconvenience is brought to the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anchoring drilling machine, which solves the technical problem that the existing anchoring drilling machine for slope support is inconvenient to use in the prior art; the utility model provides a plurality of technical effects which can be generated by the optimized technical scheme in the technical schemes; see below for details.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides an anchoring drilling machine, which comprises a movable chassis device, a platform posture adjusting device, a drilling platform device and a working platform device, wherein: the platform attitude adjusting device is arranged on the movable chassis device; the drilling platform device is arranged on the platform attitude adjusting device and is in transmission connection with the platform attitude adjusting device, a movable drill rod device is arranged on the drilling platform device, and the platform attitude adjusting device can adjust the inclination angle of the drilling platform device; the working platform device is arranged on the platform attitude adjusting device and is in transmission connection with the platform attitude adjusting device, and the platform attitude adjusting device can adjust the working platform device to a horizontal state.

Preferably, the platform attitude adjustment apparatus comprises a lifting assembly and a carriage, wherein: the lifting assembly is arranged on the movable chassis, and the bracket is arranged on the lifting assembly; the drilling platform device is rotatably arranged on the bracket, and the bracket is provided with an inclination angle telescopic part which can drive the drilling platform device to rotate along a vertical plane so as to adjust the inclination angle of the drilling platform device; the working platform device is fixedly arranged on the bracket.

Preferably, the lifting assembly comprises a telescopic mechanical arm, a first telescopic part, a second telescopic part and a third telescopic part, wherein: the telescopic mechanical arm comprises a fixed arm and a telescopic arm, the telescopic arm is connected with the fixed arm and can be driven by the first telescopic part to stretch along the fixed arm, the fixed arm can be rotatably arranged on the movable chassis, and the bracket can be rotatably arranged on the telescopic arm; the second telescopic part is arranged on the movable chassis and connected with the fixed arm, and the second telescopic part can drive the fixed arm to rotate along a vertical plane; the third telescopic part is arranged on the telescopic arm and connected with the bracket, and the third telescopic part can drive the bracket to rotate along a vertical plane.

Preferably, the movable drill rod assembly comprises a movement assembly and a drill rod assembly, the movement assembly comprising a movement drive member, a drill carriage and a guide rail, wherein: the guide rail is arranged on the drilling platform device; the drill frame is arranged on the guide rail in a sliding mode, and the drill rod assembly is arranged on the drill frame; the movable driving part is connected with the drilling frame and can drive the drilling frame to slide along the guide rail.

Preferably, the drill rod assembly comprises a drill rod drive and a drill rod, wherein: the drill rod driving part is arranged on the drill frame; the drill rod is in transmission connection with the drill rod driving component.

Preferably, the output end of the drill rod driving component is provided with a first threaded connection part, one end of the drill rod is provided with a second threaded connection part, and the first threaded connection part is matched with the second threaded connection part.

Preferably, the other end of the drill rod is provided with a first threaded connection part, and the two drill rods can be axially connected through the first threaded connection part and the second threaded connection part.

Preferably, the drilling platform device is provided with a chuck device, and the chuck device can clamp the drill rod so as to install or dismantle the drill rod.

Preferably, the drilling platform device is provided with a telescopic supporting device, the telescopic direction of the telescopic supporting device is the same as the moving direction of the movable drill rod device, and the telescopic end of the telescopic supporting device can be abutted against a side slope.

Preferably, a lifting device is arranged on the working platform device.

The anchoring drilling machine provided by the utility model at least has the following beneficial effects:

the anchoring drilling machine comprises a movable chassis device, a platform posture adjusting device, a drilling platform device and a working platform device, wherein the platform posture adjusting device is arranged on the movable chassis, the drilling platform device and the working platform device are arranged on the platform posture adjusting device, the movable chassis device enables the anchoring drilling machine to move freely, the drilling platform device is used for installing the movable drilling rod device, the movable drilling rod device is an executing component for drilling of the anchoring drilling machine and used for drilling, when the working platform device is used for operating the anchoring drilling machine, a constructor moves, and on the other hand, the working platform device can be used for installing and placing other auxiliary equipment.

The drilling platform device and the working platform device are in transmission connection with the platform posture adjusting device, the platform posture adjusting device can adjust the inclination angle of the drilling platform device, and the drilling effect is obvious.

The platform posture adjusting device can adjust the working platform device to a horizontal state, so that the construction personnel can move conveniently, the drilling operation is more convenient, and meanwhile, the working platform in the horizontal state is convenient for installing and supporting auxiliary equipment.

According to the drilling platform device, the inclination angle of the drilling platform device can be adjusted through the platform posture adjusting device, so that the drilling angle can be adjusted, the drilling effect is obvious, and the working platform device can be adjusted to be in a horizontal state, so that the operation of construction personnel is safer and more convenient, and the auxiliary equipment is convenient to install and support.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic structural view of a platform attitude adjustment apparatus, a drilling platform apparatus and a working platform apparatus of the present invention;

FIG. 6 is a schematic illustration of the drill pipe installation of the present invention;

fig. 7 is a schematic structural diagram of the anchoring drilling machine with the hoisting device.

Reference numerals

1. A movable chassis device; 2. a platform attitude adjusting device; 21. a telescopic mechanical arm; 211. a fixed arm; 212. a telescopic arm; 22. a bracket; 23. an inclination angle telescopic member; 24. a first telescopic member; 25. a second telescoping member; 26. a third telescopic member; 3. a drilling platform device; 4. a work platform device; 41. a left platform; 42. a right platform; 5. a movable drill rod device; 51. a moving assembly; 511. a movement driving part; 512. a guide rail; 513. a drilling frame; 52. a drill rod assembly; 521. a drill rod drive component; 52. a drill rod assembly; 522. a drill stem; 5221. a first threaded connection; 5222. a second threaded connection; 6. a chuck device; 61. a chuck base; 62. a clamping member; 63. a clamp; 7. a telescopic support device; 8. provided is a hoisting device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Example 1:

the utility model provides an anchoring drilling machine, which comprises a movable chassis device 1, a platform posture adjusting device 2, a drilling platform device 3 and a working platform device 4, as shown in figures 1 and 5.

The platform attitude adjusting means 2 is provided on a movable chassis arrangement 1, preferably the movable chassis arrangement 1 is provided as a crawler chassis.

The drilling platform device 3 is arranged on the platform posture adjusting device 2 and is in transmission connection with the platform posture adjusting device 2, the drilling platform device 3 is provided with a movable drill rod device 5, and the platform posture adjusting device 2 can adjust the inclination angle of the drilling platform device 3; the working platform device 4 is arranged on the platform attitude adjusting device 2 and is in transmission connection with the platform attitude adjusting device 2, and the platform attitude adjusting device 2 can adjust the working platform device 4 to be in a horizontal state.

During the use, anchor rig removes to the position of treating the drilling through portable chassis device 1, and constructor takes place the slope through platform gesture adjusting device 2 control drilling platform device 3 according to actual drilling demand to adjust it to corresponding inclination, at this moment, portable drilling rod device 5's drilling angle locking, portable drilling rod device 5 feeds, begins to drill.

In the above process, the platform attitude adjusting device 2 controls the working platform device 4 to be always in the horizontal position.

According to the utility model, through the platform attitude adjusting device 2, on one hand, the working platform device 4 is controlled to be always in a horizontal state in the using process, so that the operation and the movement of constructors are facilitated, the use is safe and reliable, and the installation and the placement of other auxiliary equipment are facilitated; on the other hand can be through the inclination of adjustment drilling platform device 3, and then adjust portable drilling rod device 5's drilling direction, and the drilling effect is showing.

Example 2:

example 2 is based on example 1:

as shown in fig. 2 and 3, the platform attitude adjusting apparatus 2 includes a lifting assembly and a bracket 22.

The lifting assembly is arranged on the movable chassis device 1, the bracket 22 is arranged on the lifting assembly, the lifting assembly can adjust the height of the bracket 22, the platform adjusting posture is more comprehensive, and optionally, the lifting assembly can adopt the existing lifting platform.

The front part of the bottom side of the drilling platform device 3 is hinged to the bracket 22, the bracket 22 is provided with an inclination angle telescopic component 23, the telescopic end of the inclination angle telescopic component 23 is hinged to the rear part of the bottom side of the drilling platform device 3, the telescopic end of the inclination angle telescopic component 23 is telescopic, and the drilling platform device 3 can be driven to rotate along a vertical plane, so that the inclination angle of the drilling platform device 3 can be adjusted, and the drilling direction of the movable drill rod device 5 can be adjusted.

In the utility model, the direction close to the position to be drilled is the front side, and the direction far away from the position to be drilled is the rear side.

Alternatively, the tilt telescopic member 23 is provided as a pneumatic telescopic rod, a hydraulic telescopic rod or an electric telescopic rod.

The inclination angle telescopic part 23 is matched with a hinged connection mode of the drilling platform device 3, so that the execution effect of the inclination motion is obvious; in order to improve stability of the tilt performing action, the tilt telescopic member 23 may be provided in plurality, preferably, in number of two, and the two tilt telescopic members 23 are provided in bilateral symmetry.

As shown in fig. 2, the work platform device 4 is fixedly arranged on the carriage 22.

The working platform device 4 comprises a left platform 41 and a right platform 42, the left platform 41 and the right platform 42 are respectively positioned on the left side and the right side of the drilling platform device 3 and are symmetrically arranged, and guardrails are arranged on the left platform 41 and the right platform 42.

As an alternative embodiment, as shown in fig. 3, the lifting assembly comprises a telescopic robot arm 21, a first telescopic member 24, a second telescopic member 25 and a third telescopic member 26.

The telescopic mechanical arm 21 comprises a fixed arm 211 and a telescopic arm 212, the telescopic arm 212 is slidably inserted into the fixed arm 211, the fixed end of the first telescopic component 24 is connected with the fixed arm 211, the telescopic end of the first telescopic component 24 is connected with the telescopic arm 212, the telescopic arm 212 can stretch and retract along the fixed arm 211 under the driving of the first telescopic component 24, the fixed arm 211 can be rotatably arranged on the movable chassis device 1, and the bracket 22 can be rotatably arranged on the telescopic arm 212.

The fixed end of the second telescopic part 25 is hinged to the movable chassis device 1, the telescopic end of the second telescopic part 25 is hinged to the fixed arm 211, and the telescopic end of the second telescopic part 25 is telescopic and can drive the fixed arm 211 to rotate along a vertical plane.

The fixed end of the third telescopic member 26 is hinged to the telescopic arm 212, the telescopic end of the third telescopic member 26 is hinged to the bracket 22, and the telescopic end of the third telescopic member 26 is telescopic to drive the bracket 22 to rotate along a vertical plane.

The telescopic mechanical arm 21, the first telescopic part 24, the second telescopic part 25 and the third telescopic part 26 are mutually matched, so that the height of the drilling platform device 3 and the height of the working platform device 4 can be adjusted, and the relative position of the drilling platform device and the working platform device in the horizontal direction can be adjusted.

The first, second and third

telescopic members

24, 25, 26 may be provided as pneumatic telescopic rods, hydraulic telescopic rods or electric telescopic rods.

In order to increase the stability of the loading and lifting process, the telescopic mechanical arm 21, the first telescopic member 24, the second telescopic member 25 and the third telescopic member 26 may be provided in plurality.

Preferably, as shown in fig. 2 to 4, the number of the telescopic mechanical arm 21, the first telescopic parts 24, the second telescopic parts 25 and the third telescopic parts 26 is two, the two fixing arms 211 are connected by a lower beam, the two telescopic arms 212 are connected by an upper beam, a guide mechanism is arranged between the upper beam and the lower beam, the guide mechanism comprises an outer guide rod and an inner slide rod which is inserted along the outer guide rod in a sliding manner, the two first telescopic parts 24 are symmetrically arranged on the side of the guide mechanism, the fixed end and the telescopic end of each first telescopic part 24 are respectively connected and arranged on the upper beam and the lower beam, the two second telescopic parts 25 are symmetrically arranged on the lower sides of the two fixing arms 211, and the two third telescopic parts 26 are symmetrically arranged on the upper sides of the two telescopic arms 212.

As an alternative embodiment, the tilt angle telescopic part 23, the first telescopic part 24, the second telescopic part 25 and the third telescopic part 26 are provided as hydraulic telescopic rods, and the hydraulic telescopic rods have the advantages of compact structure, large supporting force, long stroke, stable telescopic process and the like.

As an alternative embodiment, as shown in fig. 4 and 5, the movable drill rod assembly 5 comprises a moving assembly 51 and a drill rod assembly 52.

The moving assembly 51 comprises a moving driving part 511, a drilling frame 513 and a guide rail 512, the guide rail 512 is arranged on the drilling platform device 3, and the guide rail 512 is synchronously inclined with the drilling platform device 3 under the action of the inclination angle telescopic part 23.

A drilling rig 513 is slidably disposed on the guide track 512 and the drill rod assembly 52 is disposed on the drilling rig 513.

The moving driving unit 511 is drivingly connected to the drilling frame 513, and during drilling, the moving driving unit 511 drives the drilling frame 513 to slide along the guide rail 512, and the drill rod assembly 52 moves synchronously, thereby performing drilling.

The moving driving part 511 can be driven by hydraulic pressure, pneumatic pressure or an electric motor, and preferably, the moving driving part 511 adopts an existing hydraulic chain structure.

As an alternative embodiment, the drill rod assembly 52 includes a drill rod drive member 521 and a drill rod 522.

The drill rod driving member 521 is a drill rod motor, the drill rod driving member 521 is arranged on the drilling rig 513, and the output end of the drill rod driving member 521 is in transmission connection with the drill rod 522.

The drill rod 522 comprises a middle shaft and a packing auger spirally arranged on the middle shaft, and in the drilling process, the drill rod driving part 521 drives the drill rod 522 to rotate and then is matched with the axial forward and backward movement of the drill rod 522, so that the drilling effect is remarkable.

As an alternative embodiment, as shown in fig. 6, the output end of the drill rod driving member 521 is provided with a first threaded connection portion 5221, one end of the drill rod 522 is provided with a second threaded connection portion 5222, and the first threaded connection portion 5221 is matched with the second threaded connection portion 5222.

First threaded connection portion 5221 sets up to the screw hole, and second threaded connection portion 5222 sets up the double-screw bolt, the double-screw bolt with screw hole screw-thread fit adopts threaded connection's mode, firm in connection, and the dismouting is convenient.

As an alternative embodiment, as shown in fig. 6, the other end of the drill rods 522 is provided with a first threaded connection 5221, and the two drill rods 522 are axially connectable by corresponding first and second threaded

connections

5221, 5222.

The screw fastening direction of the first and second

screw coupling portions

5221 and 5222 is the same as the rotation direction of the drill rod driving member 521 during drilling, and the drill rod 522 is connected more and more firmly along with the rotation of the output end of the drill rod driving member 521 during operation.

As an alternative embodiment, as shown in fig. 1 and 2, the front end of the drilling platform device 3 is provided with a chuck device 6, the chuck device 6 can clamp the middle shaft of the drill rod 522, and the drill rod 522 can be installed and disassembled by the forward rotation and the reverse rotation of the drill rod driving component 521.

The chuck device 6 comprises a chuck base 61, the chuck base 61 is arranged on the drilling platform device 3, a groove is formed in the chuck base 61, the drill rod 522 can penetrate through the groove to drill, clamping members 62 are arranged on the chuck base 61 and located on two sides of the groove, the clamping members 62 are hydraulic rods, the pressing ends of the clamping members 62 are located in the groove and connected with a clamp 63, and the clamp 63 is matched with the middle shaft.

When the drill rod 522 is disassembled, the pressing ends of the two clamping members 62 extend out in opposite directions, the two clamps 63 clamp the section of the middle shaft close to the end, and the drill rod driving part 521 rotates reversely, so that the drill rod 522 is disassembled without using a wrench, and the operation is convenient and rapid.

As an alternative embodiment, as shown in fig. 1, the drilling platform device 3 is provided with a telescopic support device 7, and the telescopic direction of the telescopic support device 7 is the same as the moving direction of the movable drill rod device 5.

The telescopic supporting devices 7 are arranged to be hydraulic telescopic rods, the telescopic ends of the hydraulic telescopic rods are provided with supporting disks, preferably, the number of the telescopic supporting devices 7 is two, and the two telescopic supporting devices 7 are symmetrically arranged on two sides of the guide rail 512.

In the drilling process, the telescopic end of the telescopic supporting device 7 extends out and is abutted against a slope to be drilled, the drill rod assembly 52 is fed for drilling, and the telescopic supporting device 7 is arranged to enable the whole device to be more stable in the drilling process, so that the drilling effect is effectively guaranteed.

As an alternative embodiment, as shown in fig. 7, the anchoring drilling machine further comprises a hoisting device 8, the hoisting device 8 is mounted on the working platform device 4, and when in use, the drill rod 522 and the like can be hoisted through the hoisting device 8, so that the operation is more labor-saving and convenient.

Optionally, the lifting device 8 employs existing hydraulic light and heavy equipment.

In the description of the present application, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides an anchor drilling machine which characterized in that, includes portable chassis device, platform gesture adjusting device, drilling platform device and work platform device, wherein:

the platform attitude adjusting device is arranged on the movable chassis device;

the drilling platform device is arranged on the platform attitude adjusting device and is in transmission connection with the platform attitude adjusting device, a movable drill rod device is arranged on the drilling platform device, and the platform attitude adjusting device can adjust the inclination angle of the drilling platform device;

the working platform device is arranged on the platform attitude adjusting device and is in transmission connection with the platform attitude adjusting device, and the platform attitude adjusting device can adjust the working platform device to a horizontal state.

2. The anchor drill of claim 1, wherein the platform attitude adjustment device comprises a lift assembly and a cradle, wherein:

the lifting assembly is arranged on the movable chassis, and the bracket is arranged on the lifting assembly;

the drilling platform device is rotatably arranged on the bracket, and the bracket is provided with an inclination angle telescopic part which can drive the drilling platform device to rotate along a vertical plane so as to adjust the inclination angle of the drilling platform device;

the working platform device is fixedly arranged on the bracket.

3. The anchor drill of claim 2, wherein the lift assembly comprises a telescoping robotic arm, a first telescoping member, a second telescoping member, and a third telescoping member, wherein:

the telescopic mechanical arm comprises a fixed arm and a telescopic arm, the telescopic arm is connected with the fixed arm and can be driven by the first telescopic part to stretch along the fixed arm, the fixed arm can be rotatably arranged on the movable chassis, and the bracket can be rotatably arranged on the telescopic arm;

the second telescopic part is arranged on the movable chassis and connected with the fixed arm, and the second telescopic part can drive the fixed arm to rotate along a vertical plane;

the third telescopic part is arranged on the telescopic arm and connected with the bracket, and the third telescopic part can drive the bracket to rotate along a vertical plane.

4. The anchor drill of claim 1, wherein the movable drill rod means comprises a movement assembly and a drill rod assembly, the movement assembly comprising a movement drive component, a drill carriage and a guide track, wherein:

the guide rail is arranged on the drilling platform device;

the drill frame is arranged on the guide rail in a sliding mode, and the drill rod assembly is arranged on the drill frame;

the movable driving part is connected with the drilling frame and can drive the drilling frame to slide along the guide rail.

5. The anchor drill of claim 4, wherein the drill rod assembly comprises a drill rod drive component and a drill rod, wherein:

the drill rod driving part is arranged on the drill frame;

the drill rod is in transmission connection with the drill rod driving component.

6. The anchor drill according to claim 5, wherein the output end of the drill rod driving member is provided with a first threaded connection and one end of the drill rod is provided with a second threaded connection, the first threaded connection fitting with the second threaded connection.

7. The anchor drill according to claim 6, characterized in that the other end of the drill rod is provided with a first threaded connection, the two drill rods being axially connectable by corresponding first and second threaded connections.

8. The anchor drill of claim 5, wherein the drilling platform means is provided with collet means capable of gripping the drill rod for mounting or dismounting the drill rod.

9. The anchoring drilling machine as claimed in claim 1, wherein a telescopic support device is arranged on the drilling platform device, the telescopic direction of the telescopic support device is the same as the moving direction of the movable drill rod device, and the telescopic end of the telescopic support device can be pressed against a side slope.

10. The anchoring drilling rig according to claim 1, characterized in that a hoisting device is arranged on the working platform device.