Attached tower crane verticality detection device

Abstract

The utility model relates to the technical field of tower crane perpendicularity detection, in particular to an attached tower crane perpendicularity detection device, which comprises a first tower crane standard knot positioned at the top end of a tower crane, a second tower crane standard knot positioned at the bottom end of the tower crane, a detection part and a protection piece, the gravity part is mounted on the first tower crane standard knot and naturally droops by utilizing the gravity of the gravity part, and the gravity center line of the gravity part is parallel to the center line of the first tower crane standard knot; the detection part is installed on the second tower crane standard knot, the detection part is perpendicular to the center line of the second tower crane standard knot, and scale marks used for detecting the deviation angle and direction of the gravity part in the vertical direction are arranged on the detection part; the protection part is detachably connected with the gravity part and the detection part and is used for protecting the gravity part and the detection part. The device is simple in structure and high in efficiency of measuring and verifying the verticality of the tower crane.

Description

Technical Field

[0001] The utility model relates to the technical field of tower crane verticality detection, in particular to an attached tower crane verticality detection device. Background Art

[0002] Tower crane is the most commonly used lifting equipment on construction sites. It is also known as "tower crane". It is connected in length (height) section by section (referred to as "standard section"). During the construction phase of high-rise buildings, tower cranes are generally used to lift construction materials such as steel bars, wooden beams, precast concrete components, steel pipes, etc. Tower crane is an indispensable equipment to improve construction efficiency on construction sites.

[0003] JGJ196-2010 "Technical Regulations for the Installation, Use and Disassembly of Tower Cranes in Construction" stipulates on page 30 that the verticality requirements for tower cranes are as follows: the verticality of the tower axis above the highest attachment point to the support surface in the independent or attached state shall not be greater than 4 / 1000, and the verticality of the tower axis below the highest attachment point to the support surface shall not be greater than 2 / 1000 of the corresponding height. It can be seen that the requirements for the verticality of tower cranes are very high.

[0004] Tower cranes are large vertical transportation tools with high height and weight. Once they fall, it will be a major safety accident. Therefore, total stations or theodolites are usually used to measure the vertical deviation of the standard section of tower cranes or construction elevators. However, when using total stations or theodolites, they are often restricted by factors such as site, personnel, and weather, which brings great inconvenience to the vertical measurement of the standard section of tower cranes.

[0005] In order to ensure that the safety performance of the tower crane meets national standards, it is necessary to strictly monitor various safety indicators during the installation and operation of the tower crane, especially the verticality of the tower crane.

[0006] At present, there are two main methods for measuring the verticality of tower cranes: one is to use theodolite and target to measure, and the other is to use PSD (Position Sensor Detectors) position sensors. These two methods are complicated to operate, cannot achieve real-time measurement, and have certain risks during measurement. At the same time, the latter large-area PSD position sensor is difficult to design and manufacture, expensive, and the tower crane working environment is harsh and changeable, making it difficult to ensure the collimation of background light and laser.

[0007] There are already a variety of inclination sensors in the prior art, but when they are used to measure the verticality of tower cranes, there are the following difficulties: (1) When the tower crane is at a high height, the stability of data transmission is high, and if wireless data transmission is used, it is easily affected by environmental interference; (2) The coaxiality of sensors located in different tower sections is difficult to ensure in the vertical direction. The error introduced by the different axes of the sensors will cause the data processing error to increase, the measurement accuracy to decrease, the data processing method to be complicated, and it is difficult to achieve real-time alarm for verticality changes.

[0008] The above contents are only used to assist in understanding the technical solution of the present utility model, and do not constitute an admission that the above contents are the closest prior art. Utility Model Content

[0009] The technical problem to be solved by the utility model is to provide an attached tower crane verticality detection device, which has a simple structure and high efficiency in measuring and verifying the verticality of the tower crane, thereby improving the efficiency of tower crane installation and construction.

[0010] To achieve the above-mentioned purpose, the technical solution of the utility model is implemented as follows: an attached tower crane verticality detection device comprises: a first tower crane standard section located at the top of the tower crane, a second tower crane standard section located at the bottom of the tower crane, a detection part and a protective member; the gravity part is installed on the first tower crane standard section, and naturally droops by its own gravity, and the center of gravity line of the gravity part is parallel to the center line of the first tower crane standard section; the detection part is installed on the second tower crane standard section, and the detection part is perpendicular to the center line of the second tower crane standard section, and the detection part is provided with scale lines for detecting the vertical deviation angle and direction of the gravity part; the protective member is detachably connected to both the gravity part and the detection part, and is used to protect the gravity part and the detection part.

[0011] Preferably, vertical support rods are provided at the four corners of the first tower crane standard section; the gravity part includes a horizontal plate, a steel wire and a conical pendant; the horizontal plate is vertically connected to the vertical support rod; the top end of the steel wire is connected to the horizontal plate, the bottom end is connected to the conical pendant, and the steel wire is located on the center line of the conical pendant; the conical pendant is connected to the detection part.

[0012] Preferably, vertical rods are provided at the four corners of the second tower crane standard section; the detection part includes a horizontal support plate; the horizontal support plate is vertically connected to the vertical rod, and scale lines are provided on the upper plate surface of the horizontal support plate; the connection point between the steel wire and the horizontal plate and the origin of the scale lines are on the same vertical line; a calibration area for automatically calibrating the standard verticality range between the first tower crane standard section and the second tower crane standard section is provided on the scale lines; the lower end point of the conical pendant is opposite to the calibration area.

[0013] Preferably, it also includes a protective member; the protective member includes a cover plate and a cylinder; the cover plate is detachably connected to the upper plate surface of the horizontal support plate; the cylinder is mounted on the outside of the conical pendant, and the bottom of the cylinder is connected to the cover plate.

[0014] Preferably, a connecting piece is provided at the connection between the horizontal plate and the vertical support rod; one end of the connecting piece is detachably connected to the vertical support rod, and the other end is connected to the horizontal plate.

[0015] Preferably, the horizontal plate is provided with a hanging hole and a U-shaped rod; the hanging hole is opposite to the connection between the horizontal plate and the vertical support rod; the U-shaped rod is arranged above the hanging hole; one end of the steel wire passes through the hanging hole and is connected to the middle part of the U-shaped rod.

[0016] Preferably, an angle steel is provided at the connection between the horizontal support plate and the vertical rod; the angle steel is connected to the side of the horizontal support plate, and fixes the horizontal support plate at the base section of the second tower crane standard section.

[0017] The beneficial effects of the utility model are embodied in:

[0018] (1) The device is attached to the tower crane itself and can effectively determine the offset angle and direction of the tower crane using only gravity, reducing the frequency of equipment used in other detection methods, reducing the downtime of the tower crane caused by verticality detection, and avoiding the use of data transmission that is easily affected by the environment.

[0019] (2) The device provided by the utility model is not only simple in structure, but also highly efficient in measuring and verifying the verticality of the tower crane, thereby improving the efficiency of tower crane installation and construction.

[0020] (3) The device provided by the utility model can reduce the cost and time of verticality detection, reduce the impact of calibration on on-site construction efficiency, and can perform real-time detection by attaching the detection device to the detection object. It has low production cost and simple installation method.

[0021] (4) The utility model is provided with a protective piece, so that the device can protect the scale line and the conical pendant on the horizontal support plate when the verticality detection is not performed, thereby extending the service life of the device. At the same time, after the tower crane has been used for a period of time, the verticality of the tower crane can be detected by simply removing the protective piece, thereby monitoring the verticality change of the tower crane and improving the safety of the tower crane. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0023] Figure 1It is a structural schematic diagram of the first tower crane standard section and the gravity part of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the second tower crane standard section and detection of the utility model;

[0025] Figure 3 It is a structural schematic diagram of the second tower crane standard section and protective parts of the utility model.

[0026] Reference numerals and descriptions:

[0027] 10. The first tower crane standard section; 11. Vertical support rod; 21. Connector; 22. Horizontal plate; 221. Lifting hole; 23. U-shaped rod; 24. Steel wire; 25. Conical pendant; 30. The second tower crane standard section; 31. Vertical rod; 41. Angle steel; 42. Horizontal support plate; 50. Cover plate; 51. Cylinder. DETAILED DESCRIPTION

[0028] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. In the absence of conflict, the embodiments in this application and the features in the embodiments can be combined with each other. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0029] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0030] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or schemes that satisfy both A and B. In addition, "multiple" refers to more than two. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0031] Example 1

[0032] See also Figure 1-3 As shown:

[0033] The utility model provides an attached tower crane verticality detection device, comprising: a first tower crane standard section 10, a gravity part, a second tower crane standard section 30 and a detection part.

[0034] In actual application, the first tower crane standard section 10 is generally located at the top of the tower crane, that is, the position where the tower crane needs to start verticality detection, and the second tower crane standard section 30 is located at the bottom of the tower crane, serving as the base section for the tower crane verticality detection.

[0035] The gravity part is installed on the first tower crane standard section 10, and droops naturally by its own gravity, and the gravity center line of the gravity part is parallel to the center line of the first tower crane standard section 10; the detection part is installed on the second tower crane standard section 30, and the detection part is perpendicular to the center line of the second tower crane standard section 30. By docking the detection part with the gravity part, the deviation angle and direction of the tower crane can be effectively determined by gravity alone, realizing automatic verification of the verticality between the first tower crane standard section 10 and the second tower crane standard section 30.

[0036] This device, which is attached to the tower crane itself and can effectively determine the offset angle and direction of the tower crane using only gravity, can effectively reduce the frequency of equipment used in other detection methods, reduce the downtime of the tower crane caused by verticality detection, and avoid the use of data transmission that is easily affected by the environment.

[0037] Vertical support rods 11 are provided at the four corners of the first tower crane standard section 10. The gravity part is composed of a horizontal plate 22, a steel wire 24 and a conical pendant 25.

[0038] The horizontal plate 22 is vertically connected to the vertical support rod 11. A connecting piece 21 is provided at the connection between the horizontal plate 22 and the vertical support rod 11; one end of the connecting piece 21 is detachably connected to the vertical support rod 11, generally fixed by bolts, so as to facilitate moving the horizontal plate 22 to different first tower crane standard sections 10, and the other end of the connecting piece 21 is connected to the horizontal plate 22.

[0039] The top of the steel wire 24 is connected to the horizontal plate 22, and the bottom is connected to the conical pendant 25. The steel wire 24 connected to the conical pendant 25 during use is a high-strength stainless steel wire with good toughness and easy straightening.

[0040] Since the steel wire 24 is located on the center line of the conical pendant 25, when the conical pendant 25 droops naturally, the center of gravity of the conical pendant 25 can be parallel to the center line of the first tower crane standard section 10. The conical pendant 25 is docked with the detection part, and the detection part can judge the angle and direction of the vertical deviation of the conical pendant 25, so as to complete the verticality detection of the entire tower crane, which is simple and efficient.

[0041] A hanging hole 221 and a U-shaped rod 23 are provided on the horizontal plate 22; the hanging hole 221 is opposite to the connection between the horizontal plate 22 and the vertical support rod 11; the U-shaped rod 23 is arranged above the hanging hole 221; one end of the steel wire 24 passes through the hanging hole 221 and is connected to the middle of the U-shaped rod 23. By providing the hanging hole 221, space is reserved for the deviation of the steel wire 24 in the vertical direction, thereby improving the detection accuracy of the device.

[0042] Vertical rods 31 are provided at the four corners of the second tower crane standard section 30. The detection part is mainly composed of a horizontal support plate 42 and an angle steel 41. The angle steel 41 is connected to the side of the horizontal support plate 42 and fixes the horizontal support plate 42 at the base section of the second tower crane standard section 30.

[0043] During actual installation, the horizontal support plate 42 and the vertical rod 31 should be kept vertically connected.

[0044] The upper plate surface of the horizontal support plate 42 is provided with scale lines; the scale lines use 1 mm as the minimum scale unit. The connection point between the steel wire 24 and the horizontal plate 22 is on the same vertical line as the origin of the scale lines. This arrangement makes the lower end point of the conical pendant 25 point to the origin of the scale lines, which means that under ideal conditions, the verticality between the second tower crane standard section 30 and the first tower crane standard section 10 has reached the highest level.

[0045] Before actual measurement, a calibration area is provided on the scale line for automatically calibrating the standard verticality range between the first tower crane standard section 10 and the second tower crane standard section 30; the lower end point of the conical pendant 25 is opposite to the calibration area, which means that the verticality between the second tower crane standard section 30 and the first tower crane standard section 10 meets the standard verticality range, thereby completing the verticality detection, which is simple and convenient.

[0046] It also includes a protective member; the protective member includes a cover plate 50 and a cylinder 51; the cover plate 50 is detachably connected to the upper plate surface of the horizontal support plate 42; the cylinder 51 is sleeved on the outside of the conical pendant 25, and the bottom of the cylinder 51 is connected to the cover plate 50.

[0047] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. An attached tower crane verticality detection device, characterized in that: The invention comprises: a first tower crane standard section (10) located at the top end of the tower crane, a second tower crane standard section (30) located at the bottom end of the tower crane, a detection part and a protective member; the gravity part is installed on the first tower crane standard section (10) and naturally droops by its own gravity, and the center of gravity of the gravity part is parallel to the center line of the first tower crane standard section (10); the detection part is installed on the second tower crane standard section (30), and the detection part is perpendicular to the center line of the second tower crane standard section (30), and a scale line for detecting the offset angle and direction of the gravity part in the vertical direction is provided on the detection part; the protective member is detachably connected to both the gravity part and the detection part, and is used to protect the gravity part and the detection part.

2. The attached tower crane verticality detection device according to claim 1, characterized in that: The four corners of the first tower crane standard section (10) are each provided with a vertical support rod (11); the gravity part comprises a horizontal plate (22), a steel wire (24) and a conical pendant (25); the horizontal plate (22) is vertically connected to the vertical support rod (11); the top end of the steel wire (24) is connected to the horizontal plate (22), and the bottom end is connected to the conical pendant (25), and the steel wire (24) is located on the center line of the conical pendant (25); the conical pendant (25) is connected to the detection part.

3. The device for detecting verticality of an attached tower crane according to claim 2, characterized in that: The four corners of the second tower crane standard section (30) are each provided with a vertical rod (31); the detection unit comprises a horizontal support plate (42); the horizontal support plate (42) is vertically connected to the vertical rod (31), and a scale line is provided on the upper plate surface of the horizontal support plate (42); the connection point between the steel wire (24) and the horizontal plate (22) and the origin of the scale line are on the same vertical line; a calibration area for automatically calibrating the standard verticality range between the first tower crane standard section (10) and the second tower crane standard section (30) is provided on the scale line; and the lower end point of the conical pendant (25) is opposite to the calibration area.

4. The attached tower crane verticality detection device according to claim 3, characterized in that: The protective member comprises a cover plate (50) and a cylinder (51); the cover plate (50) is detachably connected to the upper plate surface of the horizontal support plate (42); the cylinder (51) is sleeved on the outside of the conical pendant (25), and the bottom of the cylinder (51) is connected to the cover plate (50).

5. The attached tower crane verticality detection device according to claim 2, 3 or 4, characterized in that: A connecting piece (21) is provided at the connection between the horizontal plate (22) and the vertical support rod (11); one end of the connecting piece (21) is detachably connected to the vertical support rod (11), and the other end is connected to the horizontal plate (22).

6. The attached tower crane verticality detection device according to claim 2, 3 or 4, characterized in that: The horizontal plate (22) is provided with a hanging hole (221) and a U-shaped rod (23); the hanging hole (221) is opposite to the connection between the horizontal plate (22) and the vertical support rod (11); the U-shaped rod (23) is arranged above the hanging hole (221); one end of the steel wire (24) passes through the hanging hole (221) and is connected to the middle part of the U-shaped rod (23).

7. The attached tower crane verticality detection device according to claim 4, characterized in that: An angle steel (41) is provided at the connection between the horizontal support plate (42) and the vertical rod (31); the angle steel (41) is connected to the side of the horizontal support plate (42), and the horizontal support plate (42) is fixed to the base section of the second tower crane standard section (30).

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