CN217297023U

CN217297023U - Space positioning device of tower crane lifting hook

Info

Publication number: CN217297023U
Application number: CN202220003752.3U
Authority: CN
Inventors: 樊治平; 侯巍炜; 门新延
Original assignee: Shaanxi Construction Machinery Co ltd
Current assignee: Shaanxi Construction Machinery Co ltd
Priority date: 2022-01-04
Filing date: 2022-01-04
Publication date: 2022-08-26
Anticipated expiration: 2032-01-04

Abstract

The utility model belongs to the technical field of engineering machinery, and discloses a space positioning device of a tower crane hook.A tower crane electric control box is respectively connected with a nine-axis sensor and a UWB main base station, and the UWB main base station is respectively connected with a first UWB tag and a second UWB tag; nine sensors are installed in the driver's cabin that is located gyration tower body, and first UWB label is installed on gyration tower body, and the second UWB label is installed on the lifting hook. The utility model can realize the space positioning of the tower crane hook, thereby guiding the tower crane to finish the hoisting operation accurately and efficiently, and improving the construction efficiency and the safety; the utility model discloses 3 measured data play the purpose of secondary protection for tower machine electrical system safety protection in for tower machine operation key data, have reduced the tower machine and have dashed dangerous factors such as top, collision, have improved the safe operation level.

Description

Space positioning device of tower crane lifting hook

Technical Field

The utility model belongs to the technical field of engineering machine tool, especially, relate to a space positioning device of tower machine lifting hook.

Background

At present, a tower crane, which is called as a tower crane in all, is used for vertical and horizontal transportation of materials and installation of building components in building construction and consists of an electric control system, three mechanisms and a steel structure. The electric control system comprises a linkage table, a control cabinet (board), a resistance box, an external connecting cable, a three-phase asynchronous motor, lighting equipment and the like. The three mechanisms are respectively hoisting mechanisms and are responsible for the vertical track action of the lifting hook of the tower crane; the swing mechanism is responsible for the planar equal-circle track action of the tower crane hook; and the amplitude variation mechanism is responsible for the planar linear track action of the tower crane lifting hook. In the cab, the tower crane operates the linkage table, and drives the three-phase asynchronous motor of the three-large mechanism through the related logic control frequency converter of the electric control system to control the lifting hook of the tower crane. During construction and hoisting, the vertical and horizontal spatial transportation of the construction hoisted object is realized through the spatial movement of the lifting hook of the tower crane. During operation, the personnel who need pass through intercom and hoist and mount face communicate concrete lifting hook position repeatedly, and the tower company controls the lifting hook according to the demand and removes, and whole process need consume more communication and control time, directly influences the accuracy and the security of tower machine construction. With the development of high-tech level, the requirements of safety, less humanization, no humanization and intellectualization of tower crane construction are gradually shown. The specific position of the lifting hook of the tower crane becomes a key factor for improving the operation efficiency and the safety level.

Through the above analysis, the problems and defects of the prior art are as follows: in the prior art, personnel needing to communicate with the specific lifting hook position repeatedly through an interphone and a lifting surface are required, the tower crane controls the lifting hook to move according to requirements, the whole process needs to consume more communication and control time, and the accuracy and the safety of tower crane construction are reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model provides a space positioning device of tower machine lifting hook.

The utility model is realized in such a way that the space positioning device of the tower crane hook is provided with a tower crane electric cabinet; the tower crane electric control box is respectively connected with the nine-axis sensor and the UWB main base station, and the UWB main base station is respectively connected with the first UWB tag and the second UWB tag;

nine sensors are installed in the driver's cabin that is located gyration tower body, and first UWB label is installed on gyration tower body, and the second UWB label is installed on the lifting hook.

Further, UWB main base station is provided with the basic station host computer, and protecting sheathing is installed to basic station host computer upper end, and the shock attenuation mount pad is installed to basic station host computer lower extreme.

Further, a communication interface is arranged on the rear side of the base station host, and an antenna is installed on the side of the base station host through a pin shaft.

Further, the protecting sheathing top is provided with the installation cavity, and installation cavity internally mounted has small-size fan, and the installation cavity upper end is provided with the slant venthole.

Further, the damping mounting base is provided with a fixing plate, and threaded through holes are formed in the left end and the right end of the fixing plate respectively.

Furthermore, a groove is formed in the upper end of the damping mounting seat, and a damping spring is mounted on the bottom side of the groove;

the backup pad is installed to damping spring upper end, is provided with the rubber pad in the backup pad, and the backup pad passes through the screw to be connected with the basic station host computer.

Combine foretell all technical scheme, the utility model discloses the advantage that possesses and positive effect are: the utility model can effectively solve the problem of the position of the lifting hook of the tower crane, simultaneously adopts a new UWB wireless transmission technology (Ultra Wideband)), is applied to the tower crane control system, and has the characteristics of low power consumption, high positioning precision, strong anti-interference performance and the like; the utility model can realize the space positioning of the tower crane hook, thereby guiding the tower crane to finish the hoisting operation accurately and efficiently, and improving the construction efficiency and the safety; the utility model discloses 3 measured data are tower machine operation key data, can participate in tower machine electrical system safety protection, play the purpose of secondary protection, have reduced the tower machine and have dashed dangerous factors such as top, collision, have improved the safe operation level.

The utility model discloses well basic station host computer lower extreme is installed the shock attenuation mount pad, realizes the protection to UWB main base station. The utility model discloses well basic station host computer rear side is provided with communication interface, and the antenna is installed through the round pin axle in basic station host computer side, realizes measured data's transmission. The utility model discloses well protecting sheathing top is provided with the installation cavity, and installation cavity internally mounted has small-size fan, and the installation cavity upper end is provided with the slant venthole, can in time get rid of the dust of basic station's host computer. The utility model discloses a shock attenuation mount pad's structural design effectively plays absorbing effect.

The UWB structure in the utility model utilizes the characteristic of low power consumption, adopts the built-in power supply of the battery, and avoids unsafe factors caused by special equipment wiring and the like; the built-in battery is replaced once in 1 year, and the system has low-power alarm prompt to ensure normal and safe use of the equipment.

Drawings

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

Fig. 1 is a schematic structural view of a spatial positioning device of a tower crane hook provided by the embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a first UWB tag and a nine-axis sensor provided by an embodiment of the present invention.

Fig. 3 is a schematic diagram of a principle of spatial positioning of a machine hook provided by an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a UWB main base station according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a protective casing according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of a shock-absorbing mounting seat provided in an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a first UWB tag and a second UWB tag provided by an embodiment of the present invention;

in the figure: 1. a first UWB tag; 2. a nine-axis sensor; 3. a second UWB tag; 4. a UWB main base station; 5. a tower crane electric cabinet; 6. a base station host; 7. a shock-absorbing mounting seat; 8. an antenna; 9. a communication interface; 10. a protective housing; 11. a mounting cavity; 12. a small fan; 13. an oblique air outlet hole; 14. a fixing plate; 15. a damping spring; 16. a threaded through hole; 17. a support plate; 18. an omnidirectional antenna; 19. a label housing; 20. a UWB ranging circuit board; 21. a lithium battery; 22. an omnidirectional antenna; 23. a label housing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

To the problem that prior art exists, the utility model provides a space positioning device of tower machine lifting hook, it is right to combine the figure below the utility model discloses do detailed description.

As shown in fig. 1-3, the embodiment of the utility model provides a space positioning device of tower machine lifting hook is provided with tower machine electric cabinet 5, is provided with touch display screen on the tower machine electric cabinet 5. Tower machine electric cabinet 5 is connected with nine sensors 2 and UWB main base station 4 respectively, and UWB main base station 4 is connected with first UWB label 1 and second UWB label 2 respectively. Nine sensors 2 install in being located the driver's cabin of gyration tower body, and first UWB label 1 is installed on the gyration tower body, and second UWB label 2 is installed on the lifting hook. Among them, the nine-axis sensor 2 is commercially available and can be provided with this function.

As shown in fig. 4, the UWB main base station 4 provided by the embodiment of the present invention is provided with a base station host 6, a protective casing 10 is installed at the upper end of the base station host 6, and a damping mounting seat 7 is installed at the lower end of the base station host 6; the rear side of the base station host 6 is provided with a communication interface 9, and the side of the base station host 6 is provided with an antenna 8 through a pin shaft.

As shown in fig. 5, the embodiment of the present invention provides a protection casing 10, the top of which is provided with an installation cavity 11, the installation cavity 11 is internally provided with a small fan 12, and the upper end of the installation cavity 11 is provided with an oblique air outlet 13.

As shown in fig. 6, the damping mounting base 7 provided by the embodiment of the present invention is provided with a fixing plate 14, and the left and right ends of the fixing plate 14 are respectively provided with a threaded through hole 16; the upper end of the shock absorption mounting seat 7 is provided with a groove, a shock absorption spring 15 is mounted at the bottom side of the groove, a supporting plate 17 is mounted at the upper end of the shock absorption spring 15, a rubber pad is arranged on the supporting plate 17, and the supporting plate 17 is connected with the base station host 6 through screws.

As shown in fig. 7, the first UWB tag 1 and the second UWB tag 3 are schematically configured, where (a) is a schematic diagram of a case installation, and 4 strong magnets are installed at the bottom of the case, so as to facilitate fixed installation; (b) is an expanded schematic view of the label shell; the method comprises the following steps: omnidirectional antenna 18, tag housing 19, UWB ranging circuit board 20, lithium battery 21, omnidirectional antenna 22, tag housing 23.

The utility model adopts the omnidirectional glass fiber reinforced plastic antenna, the signal radiates in 360 degrees in omnidirectional, and the receiving sensitivity is high; the shell is provided with the strong magnet, so that the field installation is convenient; the battery is built in, unsafe factors caused by special equipment wiring and the like are avoided, and the stability is high; the distance measurement adopts a two-way distance measurement time of flight (TOF) measurement principle and a dynamic Kalman algorithm, so that the measurement precision is high; the high data transmission rate can keep the playing time short, thereby saving the electric quantity and prolonging the service life of the battery.

The utility model discloses a theory of operation does: the nine-axis sensor 2 is arranged in a cab positioned in the rotary tower body and used for testing the rotation angle phi of a crane boom of the tower crane; the first UWB tag 1 arranged on the rotary tower body is combined with the UWB main base station 4 arranged on the amplitude-variable trolley and used for measuring the horizontal running distance L1 of the amplitude-variable trolley; the second UWB tag 2 arranged on the lifting hook is combined with the UWB main base station 4 arranged on the amplitude-variable trolley and is used for measuring the vertical distance L2 between the lifting hook and the amplitude-variable trolley; the intersection point of the center line of the rotary tower body and the center calibration of the cargo boom is used as the original point of the space coordinate, and the space point location can be carried out on the lifting hook of the tower crane through three measurement values of phi, L1 and L2. The UWB structure of the utility model utilizes the characteristic of low power consumption, adopts the built-in power supply of the battery, and avoids unsafe factors caused by special equipment wiring and the like; the built-in battery is replaced once in 1 year, and the system has low-power alarm prompt to ensure normal and safe use of the equipment.

The nine-axis sensor 2 transmits the rotation angle to the electric cabinet 5 of the tower crane through RS485 communication; the UWB base station 4 measures two distances L1 and L2 through UWB wireless ranging technology; the UWB main base station 4 sends two distances to the tower crane electric control box 5 through Eternet communication, and then dynamic display is carried out on the interpersonal exchange interface.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of 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 invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be covered within the protection scope of the present invention by those skilled in the art within the technical scope of the present invention.

Claims

1. The utility model provides a space positioning device of tower machine lifting hook which characterized in that, space positioning device of tower machine lifting hook is provided with:

a tower crane electric cabinet;

the tower crane electric control box is respectively connected with the nine-axis sensor and the UWB main base station, and the UWB main base station is respectively connected with the first UWB tag and the second UWB tag;

2. The spatial positioning device of the tower crane hook as claimed in claim 1, wherein the UWB main base station is provided with a base station host, a protective shell is installed at the upper end of the base station host, and a damping mounting seat is installed at the lower end of the base station host.

3. The spatial positioning device of the tower crane hook as claimed in claim 2, wherein the rear side of the base station host is provided with a communication interface, and the side of the base station host is provided with an antenna through a pin shaft.

4. The space positioning device for the tower crane lifting hook as claimed in claim 2, wherein a mounting cavity is arranged at the top of the protective shell, a small fan is arranged in the mounting cavity, and an inclined air outlet hole is formed in the upper end of the mounting cavity.

5. The spatial positioning device of the tower crane hook as claimed in claim 2, wherein the damping mounting base is provided with a fixing plate, and the left end and the right end of the fixing plate are respectively provided with a threaded through hole.

6. The spatial positioning device of the tower crane hook as claimed in claim 5, wherein the upper end of the shock absorption mounting seat is provided with a groove, and the bottom side of the groove is provided with a shock absorption spring;