CN109987478A - A kind of auxiliary positioning system and method for elevator guide rail bracket installation - Google Patents

Abstract

The invention discloses an auxiliary positioning system for the installation of elevator guide rail brackets, which includes a lifting platform and a vertical reference, a plurality of vertical references are arranged on the inner side of the elevator shaft, and a positioning device electrically connected with the console is arranged on the lifting platform , the positioning device includes a base, a rotary mechanical arm, a first mechanical arm, a second mechanical arm, and a positioning mechanical arm. The base is installed on the lifting platform; the rotary mechanical arm is installed on the base; The other end is hinged with one end of the second mechanical arm; the second mechanical arm can rotate around the horizontal axis, and the other end is hinged with one end of the positioning mechanical arm, the positioning mechanical arm can rotate around the horizontal axis, and the other end is provided with a detection element. The purpose of the present invention is to provide an auxiliary positioning system and method for the installation of elevator guide rail brackets. The system can position, correct and install the guide rail bracket base through the synergy of the positioning device and the vertical reference, so as to reduce installation errors and ensure installation. quality.

Description

A kind of auxiliary positioning system and method for elevator guide rail bracket installation

technical field

The invention belongs to the technical field of elevator installation, and in particular relates to an auxiliary positioning system and method for installation of an elevator guide rail bracket.

Background technique

The elevator is mainly composed of traction machine, guide rail, counterweight device, safety device (such as speed limiter, safety gear and buffer, etc.), control system, car and hall door, etc. Each part is installed in the hoistway and machine room of the building. Usually, the wire rope goes around the traction sheave, and the two ends are respectively connected to the car and the counterweight. The motor drives the traction sheave to lift the car up and down. Layer accuracy and ride comfort etc.

The installation sequence of the elevator guide rail is: fix the guide rail base on the hoistway wall; measure the relative position of the guide rail support surface and the reference vertical line, adjust and install the guide rail support on the guide rail base; measure the position of the side and top surface of the elevator guide rail and the reference vertical line, Adjust and install the rails on the rail brackets. The installation quality of the guide rail bracket is good, and the working surface of the guide rail bracket can be used as the positioning surface for the guide rail installation. If the installation quality of the rail bracket is not good, the working surface of the rail bracket is only a fixed surface, which needs to be adjusted by adding spacers. The installation quality of the guide rail bracket of the elevator depends on the work experience and level of the installer, and has great fluctuation. Improving the installation quality of the guide rail bracket can reduce the adjustment workload during the installation of the guide rail.

In the existing guide rail bracket installation process, the relative position error between the installation surface and the reference vertical line must be continuously measured and adjusted accordingly during the entire installation process, which is time-consuming and labor-intensive during the clamping-adjustment process. If the position and posture of the working surface of the guide rail mounting bracket can be determined, and its positioning surface can be provided, the workload of the guide rail support installation can be reduced and the work efficiency can be improved.

SUMMARY OF THE INVENTION

The purpose of the present invention is to solve the above problems and provide an auxiliary positioning system for the installation of elevator guide rail brackets. The positioning surface of the base and the elevator shaft wall reduces the error caused by the difference of the installer during the installation process, and helps to ensure the stability of the installation quality.

In order to achieve the above purpose, the technical solution adopted in the present invention is: an auxiliary positioning system for the installation of elevator guide rail brackets, including a lifting platform and a vertical reference, the lifting platform can move vertically in the elevator shaft, and a plurality of the The vertical reference of the elevator shaft is set at the inner side of the elevator shaft, which is used for the alignment of the guide rail. The lifting platform is provided with a positioning device that is electrically connected to the console. The positioning device includes a base, a rotating mechanical arm, a first mechanical arm, a first Two manipulators and positioning manipulators, the base is installed on the lifting platform; the rotating manipulator is installed on the base, which can rotate around the vertical axis; one end of the first manipulator is hinged with the rotating manipulator, which can rotate around the horizontal axis , the other end is hinged with one end of the second mechanical arm; the second mechanical arm can be rotated around the horizontal axis, the other end of which is hinged with one end of the positioning mechanical arm, the positioning mechanical arm can be rotated around the horizontal axis, and the other end of the second mechanical arm is provided with an electrical connection to the console. Detection element for sexual connection.

Further, a square frame is set up in the elevator shaft, and the lifting platform is arranged on the upper end of the square frame; the top of the elevator shaft is provided with a grinder, and the reel of the grinder is wound with a grinder rope. The other end is connected with the lifting platform.

Further, around the square frame, there are rollers that are in contact with the inner wall of the elevator shaft. The rollers are connected to the mounting seat on the square frame through screws, and are locked by nuts; Compression springs on the inner wall of the elevator shaft.

Further, a limit plane is provided on the upper end face of one end of the positioning robot arm close to the inner wall of the elevator shaft.

Further, a permanent magnet is provided on the limiting plane.

The positioning method using the above-mentioned auxiliary positioning system for the installation of elevator guide rail brackets includes the following steps:

Step A, platform and benchmark erection: first erect a vertically movable lifting platform in the elevator shaft, then set up a vertical benchmark at the inner side wall of the elevator shaft, the upper end of the vertical benchmark leads to the top of the elevator shaft, and the lower end is fixed at the lowest end of the elevator shaft on the foundation;

Step B. Pre-positioning of the base of the guide rail bracket: the lifting platform is moved up to the position to be installed. After the positioning device is initialized, the detection element at the end of the positioning robot arm detects the position of the vertical reference, and feeds the information back to the console. After processing, the positioning manipulator is adjusted; including controlling the rotation of the rotary manipulator, the relative rotation of the first manipulator, the second manipulator, and the positioning manipulator, ensuring that the end of the positioning manipulator is in the predetermined installation position, and placing the guide rail bracket base on the Position the end of the robotic arm close to the elevator shaft wall and lock it tightly;

Step C. Installation of the guide rail bracket base: Drill holes on the elevator shaft wall according to the installation holes on the guide rail bracket base, then select a certain number and thickness of gaskets, and install the guide rail bracket base on the elevator shaft wall through bolts. Fix the guide rail on the base of the guide rail bracket through the guide rail bracket;

Step D, installation at the next station: the positioning device is recovered to the starting position, the lifting platform is raised to the next station and then stops, and the above steps B and C are repeated until all the guide rail bracket bases are installed.

Further, in the step B, the plurality of positioning devices on the lifting platform simultaneously pre-position the guide rail bracket base to reduce the installation error of the guide rail.

Further, in the step B, the end of the positioning mechanical arm uses a clamping mechanism or a magnetic attraction mechanism to grasp the base of the guide rail bracket.

Beneficial effects of the present invention: the system positions and installs the guide rail bracket base through the synergistic action of the positioning device on the lifting platform and the vertical reference, and at the same time corrects the positioning surface of the guide rail bracket base and the elevator shaft wall, reducing the difference between the installation personnel during the installation process. The resulting errors help to ensure the stability of the installation quality.

1. In the present invention, the grinding rope is shaken by the grinding machine, thereby pulling the lifting platform to move up, and the installation unit is simple and easy to operate.

2. In the present invention, when the lifting platform moves up in the elevator shaft, under the action of the elastic force of the compression spring, the roller is always pressed against its inner wall to ensure that the lifting platform is basically kept at the center of the elevator shaft.

3. The structure of the mechanical arm in the present invention is compact and compact, and the movement is brisk, stable and flexible.

4. In the present invention, there is no need to measure the error between the installation surface of the guide rail bracket and the reference system and perform subsequent adjustment processes, which can improve the installation work efficiency and is suitable for mass popularization.

Description of drawings

FIG. 1 is a schematic diagram of the front view structure of the present invention.

FIG. 2 is a schematic diagram of the cross-sectional structure of A-A in FIG. 1 of the present invention.

FIG. 3 is a schematic three-dimensional structural diagram of the positioning device in FIG. 1 of the present invention.

FIG. 4 is a schematic structural diagram of the installation relationship between the guide rail and the elevator shaft in FIG. 1 of the present invention.

FIG. 5 is a schematic diagram of a partially enlarged structure at B in FIG. 4 of the present invention.

FIG. 6 is a schematic diagram of the guide rail and top view structure of FIG. 5 of the present invention.

The text annotations in the figure are: 1. Lifting platform; 2. Vertical reference; 3. Base; 4. Rotating robotic arm; 5. First robotic arm; 6. Second robotic arm; 7. Positioning robotic arm; 8. Detection element; 9. Square frame; 10. Grinding machine; 11. Grinding rope; 12. Roller; 13. Screw; 14. Mounting seat; 15. Nut; 16. Compression spring; 17. Limit plane ; 18, elevator shaft; 19, guide rail; 20, guide rail bracket base; 21, guide rail bracket.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. .

As shown in Figures 1-6, the specific structure of the present invention is: an auxiliary positioning system for the installation of elevator guide rail brackets, comprising a lifting platform 1 and a vertical reference 2, the vertical reference 2 is preferably an induction wire rope, and its lower end Anchored on the foundation, the upper end is fixed on the top of the elevator shaft, the lifting platform 1 can move vertically in the elevator shaft, and a plurality of the vertical benchmarks 2 are arranged at the inner side of the elevator shaft, that is, the side wall of the elevator shaft where the guide rails need to be installed It is used for guide rail calibration. The lifting platform 1 is provided with a positioning device that is electrically connected to the console. The positioning device includes a base 3, a rotating robotic arm 4, a first robotic arm 5, a second robotic arm 6, Positioning mechanical arm 7, the base 3 is installed on the lifting platform 1; the rotating mechanical arm 4 is installed on the base 3, which can rotate around a vertical axis; one end of the first mechanical arm 5 is hinged with the rotating mechanical arm 4, which can rotate around The horizontal axis rotates, and the other end is hinged with one end of the second mechanical arm 6; the second mechanical arm 6 can rotate around the horizontal axis, and the other end is hinged with one end of the positioning mechanical arm 7, and the positioning mechanical arm 7 can rotate around the horizontal axis. The other end is provided with a detection element 8 that is electrically connected to the console. The detection element 8 is preferably an image recognition unit, which feeds back the position information of the vertical reference 2 photographed to the console. A robotic arm 5, a second robotic arm 6, and a positioning robotic arm 7 are adjusted accordingly.

Preferably, a square frame 9 is set up in the elevator shaft, and the lifting platform 1 is arranged on the upper end of the square frame 9; the top of the elevator shaft is provided with a grinder 10, and the reel of the grinder 10 is wound with a grinder rope 11. The other end of the grinding rope 11 is connected to the lifting platform 1. By shaking the grinding rope 11 by the grinding machine 10, the lifting platform 1 is pulled upward, so that the installation unit is simple and easy to operate.

Preferably, around the square frame 9, there are rollers 12 in contact with the inner wall of the elevator shaft, which is convenient for movement and reduces resistance. The nut 15 cooperates with the screw rod 13, and its extension length can be adjusted; the screw rod 13 is also sleeved with a compression spring 16 that makes the roller 12 press against the inner wall of the elevator shaft. When the lift platform 1 moves up in the elevator shaft, under the action of the elastic force of the compression spring 16, the roller 12 is always pressed against its inner wall to ensure that the lift platform 1 is basically kept at the center of the elevator shaft.

Preferably, a limit plane 17 is provided on the upper end face of one end of the positioning mechanical arm 7 which is close to the inner wall of the elevator shaft. For leveling the rail bracket base. Permanent magnets are arranged on the limiting plane 17 . It is convenient to quickly pick and place the base of the rail bracket, which is convenient for operation.

The positioning method using the above-mentioned auxiliary positioning system for the installation of elevator guide rail brackets includes the following steps:

Step A, platform and datum erection: first erect a vertically movable lifting platform 1 in the elevator shaft, then set up a vertical datum 2 at the inner side wall of the elevator shaft, the upper end of the vertical datum 2 leads to the top of the elevator shaft, and the lower end is fixed on the elevator on the foundation at the bottom of the well;

Step B. Pre-positioning of the guide rail bracket base: the lifting platform 1 is moved up to the position to be installed, and after the positioning device is initialized, the detection element 8 at the end of the positioning mechanical arm 7 performs position detection on the vertical reference 2, and feeds the information back to the control The console adjusts the positioning robot arm 7 after processing; including controlling the rotation of the rotary robot arm 4, the relative rotation of the first robot arm 5, the second robot arm 6, and the positioning robot arm 7 to ensure that the end of the positioning robot arm 7 is in Predetermined installation position, place the base of the guide rail bracket on the end of the positioning robot arm 7 (the upper end of which is in a horizontal state) close to the elevator shaft wall and lock it tightly;

Step C. Installation of the guide rail bracket base: Drill holes on the elevator shaft wall according to the installation holes on the guide rail bracket base, and then select a certain number and thickness of gaskets, including wedge-shaped gaskets (the guide rail bracket base and the elevator shaft wall surface are different. Parallel), install the guide rail bracket base on the elevator shaft wall through bolts, and fix the guide rail on the guide rail bracket base through the guide rail bracket;

Step D, installation at the next station: the positioning device is recovered to the starting position, the lifting platform 1 rises to the next station and then stops, and the above steps B and C are repeated until all the guide rail bracket bases are installed.

Preferably, in the step B, the plurality of positioning devices on the lifting platform 1 pre-position the guide rail bracket base at the same time, so as to reduce the installation error of the guide rail.

Preferably, in the step B, the end of the positioning mechanical arm 7 uses a clamping mechanism or a magnetic attraction mechanism to grasp the base of the guide rail bracket.

In specific use, a vertically movable lifting platform 1 is first erected in the elevator shaft, and then a vertical reference 2 is set up at the inner side wall of the elevator shaft. The upper end of the vertical reference 2 leads to the top of the elevator shaft, and the lower end is fixed to the bottom foundation of the elevator shaft. Then, the lifting platform 1 is moved up to the position to be installed. After the positioning device is initialized, the detection element 8 at the end of the positioning mechanical arm 7 performs position detection on the vertical reference 2, and feeds the information back to the console. After processing, the positioning robot arm 7 is adjusted; including controlling the rotation of the rotary robot arm 4, the relative rotation of the first robot arm 5, the second robot arm 6, and the positioning robot arm 7, to ensure that the end of the positioning robot arm 7 is in the predetermined installation position, and the The guide rail bracket base is placed on the end of the positioning robot arm 7 (the upper end of which is in a horizontal state), which is close to the elevator shaft wall and locked. The thickness of the gasket, including the wedge-shaped gasket, the guide rail bracket base is not parallel to the elevator shaft wall, the guide rail bracket base is installed on the elevator shaft wall through bolts, and the guide rail is fixed on the guide rail bracket base through the guide rail bracket; positioning device Return to the starting position, the lifting platform 1 rises to the next station and then stops, repeating the above steps B and C until all the guide rail bracket bases are installed. The guide rail bracket base is positioned and installed through the synergy of the positioning device on the lifting platform and the vertical reference, and the positioning surface of the guide rail support base and the elevator shaft wall is corrected at the same time, so as to reduce the error caused by the difference of the installation personnel during the installation process, which helps to ensure Stability of installation quality.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus.

Specific examples are used herein to illustrate the principles and implementations of the present invention, and the descriptions of the above examples are only used to help understand the method and the core idea of the present invention. The above are only the preferred embodiments of the present invention. It should be pointed out that, due to the limited expression of words, there are objectively unlimited specific structures. For those of ordinary skill in the art, without departing from the principles of the present invention However, several improvements, modifications or changes can also be made, and the above-mentioned technical features can also be combined in an appropriate manner; these improvements, modifications, or combinations, or the concept and technical solutions of the invention are directly applied to other occasions without improvement. should be regarded as the protection scope of the present invention.

Claims (8)

1. An auxiliary positioning system for the installation of elevator guide rail brackets, comprising a lifting platform (1) and a vertical reference (2), the lifting platform (1) can move vertically in the elevator shaft, and a plurality of the vertical The straight datum (2) is arranged at the inner side of the elevator shaft, which is used for guide rail calibration. It is characterized in that the lifting platform (1) is provided with a positioning device that is electrically connected to the console, and the positioning device includes a base (3). , a rotary manipulator (4), a first manipulator (5), a second manipulator (6), and a positioning manipulator (7), the base (3) is installed on the lifting platform (1); the rotary manipulator ( 4) Installed on the base (3), which can rotate around the vertical axis; one end of the first mechanical arm (5) is hinged with the rotary mechanical arm (4), which can rotate around the horizontal axis, and the other end is connected with the second mechanical arm ( 6) One end is hinged; the second mechanical arm (6) can be rotated around the horizontal axis, and the other end of the second mechanical arm (6) is hinged with one end of the positioning mechanical arm (7), the positioning mechanical arm (7) can be rotated around the horizontal axis, and the other end is provided with A detection element (8) electrically connected to the console. 2 . The auxiliary positioning system for elevator guide rail bracket installation according to claim 1 , wherein a square frame ( 9 ) is built in the elevator shaft, and the lifting platform ( 1 ) is arranged on the square frame ( 2 . 2 . 9) Upper end; the top of the elevator shaft is provided with a grinding mill (10), a grinding rope (11) is wound around the drum of the grinding machine (10), and the other end of the grinding rope (11) is connected to the lifting platform ( 1) Connect. 3. An auxiliary positioning system for elevator guide rail bracket installation according to claim 2, characterized in that, the square frame (9) is provided with rollers (12) around the inner wall of the elevator shaft, the rollers (12) The screw (13) is connected with the mounting seat (14) on the square frame (9), and is locked by the nut (15); Compression spring (16) on the inner wall of the elevator shaft. 4. An auxiliary positioning system for elevator guide rail bracket installation according to claim 1, characterized in that, a limit plane (17) is provided on the upper end face of one end of the positioning robot arm (7) close to the inner wall of the elevator shaft . 5 . The auxiliary positioning system for the installation of elevator guide rail brackets according to claim 4 , wherein a permanent magnet is provided on the limiting plane ( 17 ). 6 . 6. adopt the positioning method of the auxiliary positioning system for elevator guide rail bracket installation described in any one of claim 1-5, it is characterized in that, comprise the following steps: Step A, platform and benchmark erection: first erect a vertically movable lifting platform (1) in the elevator shaft, then set up a vertical benchmark (2) at the inner side wall of the elevator shaft, and the upper end of the vertical benchmark (2) leads to the elevator shaft The top and the lower end are fixed on the foundation of the lowermost end of the elevator shaft; Step B. Pre-positioning of the base of the guide rail bracket: The lifting platform (1) is moved up to the position to be installed. After the positioning device is initialized, the detection element (8) at the end of the positioning robot arm (7) performs position detection on the vertical reference (2). , and feed this information back to the console, which adjusts the positioning robotic arm (7) after processing; including controlling the rotation of the rotating robotic arm (4), the first robotic arm (5), the second robotic arm (6) . The positioning mechanical arm (7) rotates relatively to ensure that the end of the positioning mechanical arm (7) is in the predetermined installation position, and the guide rail bracket base is placed on the end of the positioning mechanical arm (7) close to the elevator shaft wall and locked; Step C. Installation of the guide rail bracket base: Drill holes on the elevator shaft wall according to the installation holes on the guide rail bracket base, then select a certain number and thickness of gaskets, and install the guide rail bracket base on the elevator shaft wall through bolts. Fix the guide rail on the base of the guide rail bracket through the guide rail bracket; Step D. Installation of the next station: The positioning device is recovered to the starting position, the lifting platform (1) is raised to the next station and then stops, and the above steps B and C are repeated until all the guide rail bracket bases are installed. 7 . The auxiliary positioning method for the installation of an elevator guide rail bracket according to claim 6 , wherein the multiple positioning devices on the lifting platform ( 1 ) in the step B simultaneously pre-position the guide rail bracket base. 8 . , in order to reduce the guide rail installation error. 8. An auxiliary positioning method for elevator guide rail bracket installation according to claim 6 or 7, characterized in that in step B, the end of the positioning robot arm (7) adopts a clamping mechanism or a magnetic attraction mechanism Grip the rail bracket base.