Automated displacement detection apparatus for a tower crane

CN117606446BActive Publication Date: 2026-10-27SPECIAL EQUIP SAFETY SUPERVISION INSPECTION INST OF JIANGSU PROVINCE
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Patent Information

Application Number
CN202311351275.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-10-17
Publication Date
2026-10-27
Estimated Expiration
2043-10-17

AI Technical Summary

Technical Problem

[0004]有鉴于此,本发明的目的在于提供一种塔式起重机自动化位移检测设备,以解决现有技术中虽然风速未到达六级,但是在塔式起重机所吊运的物料的重力作用下,塔式起重机顶部仍然容易出现较大的位移,导致塔式起重机仍然容易出现超出安全范围的倾斜角度,塔式起重机在使用过程中的安全性仍然有待提高的问题

Benefits of technology

[0015]在所述塔式起重机的上端发生位移时,所述塔式起重机会发生倾斜,所述塔式起重机的操作室随所述塔式起重机倾斜,所述安装板会随所述操作室倾斜,安装在所述安装板上的容纳桶、所述箱体以及所述标杆筒均会随所述安装板倾斜,所述标杆的下端向下移出一定距离。所述塔式起重机上端的位移越大,所述塔式起重机的倾斜程度便越大,所述操作室的倾斜程度便越大,所述安装板的倾斜程度便越大,所述标杆从所述标杆筒内向下移出的长度便越大,塔式起重机的操作人员能够通过观察从所述标杆筒内向下移出的标识段的数量来获知所述塔式起重机的倾斜角度的大小,进而能够判断是否需要停止吊运作业,所以本发明所述的塔式起重机自动化位移检测设备有利于提高塔式起重机在使用过程中的安全性。

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Abstract

The application relates to a tower crane automatic displacement detection device which comprises a mounting plate, a containing barrel, a buoyancy barrel, a box, an overflow part, a marker post cylinder, a marker post and a supporting rod, the containing barrel, the box and the marker post cylinder are fixed on the mounting plate, the axis lines of the containing barrel, the box and the marker post cylinder are parallel to the center line of the mounting plate, the containing barrel is used for containing buoyant liquid, the buoyancy barrel is arranged in the containing barrel, the box is arranged above the containing barrel and is used for containing gravity liquid, the overflow part is arranged in the middle part of the box and has an overflow cavity, when the box is tilted, the gravity liquid in the box overflows into the buoyancy barrel through the overflow cavity, the marker post cylinder is arranged above the box, the marker post is arranged in the marker post cylinder and is matched with the marker post cylinder, the marker post comprises multiple marker post segments, and the marker post is supported on the buoyancy barrel through the supporting rod. Since the above technical scheme is adopted, the tower crane automatic displacement detection device is favorable for improving the safety of the tower crane in the use process.
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Description

Technical Field

[0001] This invention relates to the field of detection equipment technology, specifically to an automated displacement detection device for tower cranes. Background Technology

[0002] Tower cranes, also known as tower hoists, are commonly used lifting equipment for transporting materials in construction projects. Due to their typically high height, tower cranes are significantly affected by wind. Under wind conditions, the top of the tower crane can shift, causing it to tilt at an angle, thus affecting its operational safety. According to relevant regulations, tower cranes should be shut down when wind speeds exceed level six. Therefore, tower cranes are generally equipped with anemometers to measure wind speed.

[0003] In some cases, even if the wind speed does not reach level six, the top of the tower crane is still prone to large displacement due to the weight of the materials being lifted, which can cause the tower crane to tilt at an angle that exceeds the safe range. Therefore, the safety of tower cranes during use still needs to be improved. Summary of the Invention

[0004] In view of this, the purpose of the present invention is to provide an automated displacement detection device for tower cranes, in order to solve the problem that in the prior art, even if the wind speed does not reach level six, the top of the tower crane is still prone to large displacement under the gravity of the material being lifted by the tower crane, which leads to the tower crane still being prone to tilting angles exceeding the safe range, and the safety of the tower crane during use still needs to be improved.

[0005] This invention is achieved through the following technical solution:

[0006] An automated displacement detection device for a tower crane includes a mounting plate, a receiving tank, a buoyancy tank, a housing, an overflow section, a marker cylinder, a marker, and a support rod. The receiving tank, the housing, and the marker cylinder are all fixed to the mounting plate. The centerlines of the receiving tank, the housing, and the marker cylinder are all parallel to the centerline of the mounting plate. The upper end of the receiving tank is open and used to receive buoyant liquid. The buoyancy tank is located inside the receiving tank and has an open upper end. The housing is located above the receiving tank and is used to receive gravity liquid. The overflow section is located in the middle of the housing and has an overflow cavity. When the housing is tilted, the gravity liquid inside the housing overflows into the buoyancy tank through the overflow cavity. The marker cylinder is located above the housing, and the marker is located inside the marker cylinder and adapted to the marker cylinder. The marker includes multiple marking segments arranged sequentially from bottom to top. The support rod is located inside the overflow cavity, and the marker is supported on the buoyancy tank by the support rod.

[0007] Furthermore, a through hole is formed in the middle of the bottom wall of the box; the overflow part includes a funnel body located inside the box and a funnel tube located at the lower end of the funnel body. The funnel body and the funnel tube form a funnel structure. The funnel body is coaxially arranged with the box body. The upper end of the funnel body is located below the upper end of the box body. The edge of the funnel body is located at the edge of the inner cavity of the box body. There is a gap between the outer peripheral surface of the upper end of the funnel body and the inner cavity wall of the box body. The funnel tube is adapted to the through hole and is fixedly connected in the through hole. The lower end of the funnel tube is located inside the buoyancy tank; the inner cavity of the funnel body and the inner cavity of the funnel tube form the overflow cavity.

[0008] Furthermore, the outer surface of each of the marked segments is recessed inward to form oblique holes, which are inclined upward from the outside to the inside; it also includes a plurality of metal balls respectively disposed in each of the oblique holes and a spherical crown-shaped metal shell supported on the box body with its opening facing upward, and a first through hole is formed in the middle of the metal shell for the support rod to pass through.

[0009] Furthermore, each of the aforementioned marking segments is coated with a different color coating.

[0010] Furthermore, it also includes a guide cylinder disposed inside the container and arranged coaxially with the container, and at least one connecting rod for connecting the guide cylinder and the container, one end of the connecting rod being fixedly connected to the wall of the guide cylinder, and the other end of the connecting rod being fixedly connected to the wall of the container.

[0011] Furthermore, it also includes a first water inlet pipe located at the upper end of the barrel wall of the container, a first funnel located on the first water inlet pipe, a second water inlet pipe located at the upper end of the box wall of the container, and a second funnel located on the second water inlet pipe.

[0012] Furthermore, both the container and the box are made of transparent material. The outer surface of the container is provided with a first marking line for marking the initial liquid level of the buoyant liquid inside the container, and the surface of the box is provided with a second marking line for marking the initial liquid level of the gravitational liquid inside the box.

[0013] Furthermore, a circular bubble level is provided at the upper end of the mounting plate.

[0014] The beneficial effects of this invention are as follows:

[0015] When the upper end of the tower crane shifts, the tower crane tilts. The operator's cab tilts along with the tower crane, and the mounting plate tilts along with the operator's cab. The receiving bucket, the box, and the marker cylinder mounted on the mounting plate all tilt along with the mounting plate, and the lower end of the marker moves downward a certain distance. The greater the displacement of the upper end of the tower crane, the greater the degree of tilt of the tower crane, the greater the degree of tilt of the operator's cab, the greater the degree of tilt of the mounting plate, and the greater the length of the marker moving downward from the marker cylinder. The tower crane operator can determine the magnitude of the tilt angle of the tower crane by observing the number of marker segments moving downward from the marker cylinder, and thus determine whether the hoisting operation needs to be stopped. Therefore, the automated displacement detection equipment for tower cranes described in this invention helps improve the safety of tower cranes during use.

[0016] Other advantages, objectives, and features of the invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination, or may be learned from practice of the invention. The objectives and other advantages of the invention can be realized and obtained through the following description. Attached Figure Description

[0017] Figure 1 This is a left view of a preferred embodiment of the automated displacement detection device for tower cranes of the present invention;

[0018] Figure 2 for Figure 1 AA section view;

[0019] Figure 3 for Figure 2 Enlarged view of 'a' in the middle;

[0020] Figure 4 for Figure 2 Enlarged view of b in the middle;

[0021] Figure 5 This is a left view of the benchmark in the automated displacement detection equipment for tower cranes of the present invention.

[0022] The meanings of the numbers in the attached diagram are as follows:

[0023] Mounting plate-1; Container tank-2; Buoyancy tank-3; Box body-4; Marker cylinder-5; Marker-6; Support rod-7; Buoyancy liquid-8; Gravity liquid-9; Overflow chamber-10; Marker section-11; Through hole-12; Funnel body-13; Funnel tube-14; Inclined hole-15; Metal ball-16; Metal shell-17; First perforation-18; Support plate-19; Vertical rod-20; Second perforation-21; Guide cylinder-22; Connecting rod-23; First water inlet pipe-24; First funnel-25; Second water inlet pipe-26; Second funnel-27; First marking line-28; Second marking line-29; Circular bubble level-30. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0026] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0027] In the above description of the present invention, it should be noted that the terms "one side," "the other side," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is conventionally placed during use. These terms are used only for the convenience of describing the present invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0028] Furthermore, terms such as "identical" do not imply that components must be absolutely identical; minor differences are permissible. The term "perpendicular" simply means that the positional relationship between components is more perpendicular than "parallel," not that the structure must be perfectly perpendicular; a slight tilt is acceptable.

[0029] Please see Figure 1-5 This invention provides a technical solution: an automated displacement detection device for a tower crane, comprising a mounting plate 1, a receiving tank 2, a buoyancy tank 3, a box 4, an overflow section, a marker cylinder 5, a marker 6, and a support rod 7. The receiving tank 2, the box 4, and the marker cylinder 5 are all fixed on the mounting plate 1. The centerlines of the receiving tank 2, the box 4, and the marker cylinder 5 are all parallel to the centerline of the mounting plate 1. Here, the centerline refers to the centerline of the mounting plate 1 along its length. In the following description, the centerline refers to the centerline of the mounting plate 1 along its length. The upper end of the receiving tank 2 is open and used to receive buoyant liquid 8, which can be tap water. The buoyant tank 3 is located inside the receiving tank 2 and is open at its upper end. The box body 4 is located above the receiving tank 2 and is used to receive gravity liquid 9, which can also be tap water. The overflow part is located in the middle of the box body 4 and has an overflow cavity 10. When the box body 4 is tilted, the gravity liquid 9 in the box body 4 overflows into the buoyant tank 3 through the overflow cavity 10. The scale cylinder... 5 is positioned above the housing 4. The marker 6 is located inside the marker tube 5 and is adapted to fit the marker tube 5. The marker 6 includes four marker segments 11 arranged sequentially from bottom to top. The support rod 7 is located inside the overflow cavity 10. The marker 6 is supported on the buoyancy tank 3 by the support rod 7. Specifically, the upper end of the support rod 7 is connected to the marker 6, and the lower end of the support rod 7 is connected to the buoyancy tank 3. The support rod 7 thus supports the marker 6 on the buoyancy tank 3. It is understood that the marker segments 11 are not limited to four. For example, in some embodiments, the marker segments 11 can be three or more.

[0030] Before installing the automated displacement detection device for tower cranes according to the present invention in a tower crane, a tilt test is first performed on the automated displacement detection device for tower cranes according to the present invention. During the tilt test, the mounting plate 1 is supported on a horizontal surface, with the center line of the mounting plate 1 in a vertical state. At this time, the center lines of the receiving tank 2, the box 4, and the marker cylinder 5 are all in a vertical state. Then, buoyant liquid 8 is added to the receiving tank 2. The buoyant liquid 8 causes the buoyant tank 3 to float. The floating of the buoyant tank 3 drives the marker 6 to move upward within the marker cylinder 5. Adding buoyant liquid 8 to the receiving tank 2 is stopped when the lower end of the marker 6 is flush with the lower end of the marker cylinder 5. At this time, the liquid level of the buoyant liquid 8 in the receiving tank 2 is the initial liquid level of the buoyant liquid 8. Gravity liquid 9 is added to the box 4 until the liquid level of the gravity liquid 9 in the box 4 is flush with the upper surface of the overflow cavity 10, at which point adding gravity liquid 9 to the box 4 is stopped. At this time, the liquid level of the gravity liquid 9 inside the box 4 is the initial liquid level of the gravity liquid 9. When the mounting plate 1 tilts, the receiving tank 2, the box 4, and the marker cylinder 5 installed on the mounting plate 1 will all tilt with the mounting plate 1. The gravity liquid 9 contained in the box 4 overflows into the buoyancy tank 3 through the overflow chamber 10. After the gravity liquid 9 enters the buoyancy tank 3, it will cause the buoyancy tank 3 to sink a certain distance in the buoyancy liquid 8. The marker 6 and the support rod 7 will move downward a certain distance with the buoyancy tank 3, causing the lower end of the marker 6 to move downward a certain distance from inside the marker cylinder 5. The greater the tilt of the mounting plate 1, the greater the tilt of the box 4, the more gravity liquid 9 flows into the buoyancy tank 3 through the overflow chamber 10, the greater the distance the buoyancy tank 3 sinks in the buoyancy liquid 8, and the greater the distance the marker 6 moves downward from inside the marker cylinder 5. The mounting plate 1 is tilted at multiple different angles on the horizontal plane, and each tilt angle is recorded. At each tilt angle, a mark is made on the position of the marker 6 corresponding to the lower end of the marker cylinder 5. Then, segment lines are drawn along the circumference of the marker 6 at each marked position. Each segment line divides the marker 6 into multiple marked segments 11, meaning there is a marked segment 11 between every two adjacent segment lines. There is also a marked segment 11 between the lower end face of the marker 6 and the segment lines adjacent to the lower end face of the marker 6. During the use of the automated displacement detection equipment for tower cranes described in this invention, the tower crane operator can determine the magnitude of the tower crane's tilt angle based on the number of marked segments 11 that have moved from the lower end of the marker cylinder 5.

[0031] When installing the automated displacement detection equipment for tower cranes according to the present invention, the mounting plate 1 is installed in the operating room of the tower crane, and the center line of the mounting plate 1 is in a vertical state. At this time, the center lines of the receiving tank 2, the housing 4, and the marker cylinder 5 are all in a vertical state. Buoyant liquid 8 is added to the receiving tank 2 so that the liquid level of the buoyant liquid 8 in the receiving tank 2 reaches the initial liquid level of the buoyant liquid 8. Gravity liquid 9 is added to the housing 4 so that the liquid level of the gravity liquid 9 in the housing 4 reaches the initial liquid level of the gravity liquid 9.

[0032] When the upper end of the tower crane shifts, the tower crane tilts. The operator's cab tilts along with the tower crane, and the mounting plate 1 tilts along with the operator's cab. The receiving bucket 2, the box 4, and the marker cylinder 5 mounted on the mounting plate 1 also tilt along with the mounting plate 1, and the lower end of the marker 6 moves downward a certain distance. The greater the displacement of the upper end of the tower crane, the greater the degree of tilt of the tower crane, the greater the degree of tilt of the operator's cab, the greater the degree of tilt of the mounting plate 1, and the greater the length of the marker 6 that moves downward from the marker cylinder 5. The tower crane operator can determine the magnitude of the tilt angle of the tower crane by observing the number of marker segments 11 that move downward from the marker cylinder 5, and thus determine whether the hoisting operation needs to be stopped. Therefore, the automated displacement detection equipment for tower cranes described in this invention helps improve the safety of tower cranes during use.

[0033] After a hoisting operation is stopped, before the next hoisting operation, the gravity liquid in the buoyancy tank 3 is emptied. This can be done by using a suction pump and a hose to draw out the gravity liquid from the buoyancy tank 3. Buoyancy liquid 8 is then added to the receiving tank 2 until its level reaches the initial level. Gravity liquid 9 is then added to the tank 4 until its level reaches the initial level.

[0034] In this embodiment: a through hole 12 is formed in the middle of the bottom wall of the box 4; the overflow part includes a funnel body 13 located inside the box 4 and a funnel tube 14 disposed at the lower end of the funnel body 13. The funnel body 13 and the funnel tube 14 form a funnel structure. The funnel body 13 is coaxially arranged with the box 4. The upper end of the funnel body 13 is located below the upper end of the box 4. The edge of the funnel body 13 is located at the edge of the inner cavity of the box 4. There is a gap between the outer peripheral surface of the upper end of the funnel body 13 and the inner cavity wall of the box 4. The funnel tube 14 is adapted to the through hole 12. The funnel tube 14 is fixedly connected in the through hole 12. The lower end of the funnel tube 14 is located inside the buoyancy tank 3. The inner cavity of the funnel body 13 and the inner cavity of the funnel tube 14 form the overflow cavity 10.

[0035] The initial liquid level of the gravity liquid 9 inside the tank 4 is flush with the upper end of the funnel body 13. When the mounting plate 1 tilts with the upper end of the tower crane, the tank 4, the funnel tube 14, and the funnel body 13 also tilt with the mounting plate 1, allowing the gravity liquid 9 to overflow into the funnel body 13. The gravity liquid 9 overflowing into the funnel body 13 then flows into the buoyancy tank 3 through the funnel tube 14. This allows the gravity liquid 9 contained in the tank 4 to overflow into the buoyancy tank 3 when the tank 4 tilts. Since the edge of the funnel body 13 is located at the edge of the inner cavity of the box body 4, there is a gap between the outer peripheral surface of the upper end of the funnel body 13 and the inner cavity wall of the box body 4. Compared with the case where the edge of the funnel body 13 is close to the middle of the box body 4, when the box body 4 tilts at the same angle, more gravitational liquid 9 can flow into the buoyancy tank 3 through the overflow cavity 10, which can increase the sinking distance of the buoyancy tank 3, and thus increase the distance that the marker 6 moves downward from the lower end of the marker cylinder 5. That is, it can make the sensitivity of the automated displacement detection equipment for tower cranes of the present invention better. In the process of using the automated displacement detection equipment for tower cranes described in this invention, if the gravity liquid 9 inside the tank 4 evaporates, causing the liquid level of the gravity liquid 9 inside the tank 4 to drop due to evaporation, when the tilt angle of the tank 4 increases, compared to the case where the gravity liquid 9 does not evaporate, the amount of gravity liquid 9 leaking into the buoyancy tank 3 from the funnel body 13 and the funnel tube 14 will decrease, causing the buoyancy tank 3 and the marker 6 to move downwards by a smaller distance, which will reduce the accuracy of the tilt angle reflected by the marker. The funnel body 13 can cover most of the liquid surface of the gravity liquid 9 inside the tank 4, which can slow down the evaporation rate of the gravity liquid 9 and improve the accuracy of the tilt angle reflected by the marker.

[0036] In this embodiment: the outer surface of each of the marked segments 11 is recessed inward to form an oblique hole 15, and the oblique hole 15 is inclined upward from the outside to the inside; the automated displacement detection device for tower cranes of the present invention also includes a metal ball 16 and a metal shell 17. There are multiple metal balls 16, and the multiple metal balls 16 are respectively arranged in each of the oblique holes 15. The metal shell 17 is spherical and crown-shaped. The metal shell 17 is supported on the box body 4 and the opening faces upward. A first through hole 18 is formed in the middle of the metal shell 17 for the support rod 7 to pass through.

[0037] When the oblique hole 15 on each of the marker segments 11 is pulled down to the lower side of the marker cylinder 5, the metal ball 16 inside the oblique hole 15 can fall downward into the metal housing 17. The sound emitted by the metal ball 16 hitting the metal housing 17 serves as an alarm, prompting the tower crane operator to check the number of marker segments 11 that have moved out of the marker cylinder 5, preventing the tower crane operator from forgetting to check the marker 6. This further improves the safety of the tower crane during use.

[0038] In this embodiment: the upper end of the box 4 is provided with a support plate 19, and the metal shell 17 is supported on the support plate 19 by multiple uprights 20 so that the metal shell 17 can be supported on the box 4. The box 4 is provided with a second through hole 21 for the support rod 7 to pass through.

[0039] In this embodiment, each of the marker segments 11 is coated with a different color coating, which allows for a more intuitive observation of the number of marker segments 11 that have moved downward from the marker cylinder 5.

[0040] In this embodiment, the system further includes a guide cylinder 22 disposed within the receiving container 2 and coaxially aligned with the receiving container 2, and two connecting rods 23 for connecting the guide cylinder 22 and the receiving container 2. One end of each connecting rod 23 is fixedly connected to the wall of the guide cylinder 22, and the other end of each connecting rod 23 is fixedly connected to the wall of the receiving container 2. It is understood that the number of connecting rods 23 is not limited to two; for example, in some embodiments, the number of connecting rods 23 may vary.

[0041] The guide cylinder 22 guides the buoyancy tank 3, ensuring that the buoyancy tank 3 remains coaxial with the container tank 2 when the container 2, the housing 4, and the marker cylinder 5 tilt. This prevents the buoyancy tank 3 from deflecting relative to the container tank 2 and avoids bending the support rod 7.

[0042] In this embodiment, it also includes a first water inlet pipe 24 located on the upper end of the wall of the container 2, a first funnel 25 located on the first water inlet pipe 24, a second water inlet pipe 26 located on the upper end of the wall of the box body 4, and a second funnel 27 located on the second water inlet pipe 26.

[0043] Buoyant liquid 8 can be added to the container 2 through the first funnel 25 and the first water inlet pipe 24 so that the buoyant liquid 8 in the container 2 can reach the initial liquid level. Gravity liquid 9 can be added to the box 4 through the second funnel 27 and the second water inlet pipe 26 so that the gravity liquid 9 in the box 4 can reach the initial liquid level.

[0044] In this embodiment: both the container 2 and the box 4 are made of transparent material. The outer surface of the container 2 is provided with a first marking line 28 for marking the initial liquid level of the buoyant liquid 8 inside the container 2, and the surface of the box 4 is provided with a second marking line 29 for marking the initial liquid level of the gravitational liquid 9 inside the box 4.

[0045] When adding buoyant liquid 8 into the container 2, the first marker line 28 serves as a convenient reference, making it easier to ensure that the buoyant liquid 8 in the container 2 reaches the initial liquid level. When adding gravity liquid 9 into the tank 4, the second marker line 29 serves as a convenient reference, making it easier to ensure that the gravity liquid 9 in the tank 4 reaches the initial liquid level.

[0046] In this embodiment, a circular bubble level 30 is provided at the upper end of the mounting plate 1. When installing the mounting plate 1 in the operator's cab of the tower crane, it is convenient to determine whether the mounting plate 1 is in a vertical position by observing the circular bubble level 30.

[0047] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.

Claims

1. An automated displacement detection device for tower cranes, characterized in that: The device includes a mounting plate, a container, a buoyancy tank, a housing, an overflow section, a marker tube, a marker, and a support rod. The container, housing, and marker tube are all fixed to the mounting plate. The centerlines of the container, housing, and marker tube are parallel to the centerline of the mounting plate. The container has an open top for holding buoyant liquid. The buoyancy tank is located inside the container and has an open top. The housing is located above the container and holds gravity liquid. The overflow section is located in the middle of the housing and has an overflow cavity. When the housing is tilted, the gravity liquid inside the housing overflows into the buoyancy tank through the overflow cavity. The marker tube is located above the housing and the marker is located inside the marker tube and adapted to the marker tube. The marker includes multiple marker segments arranged sequentially from bottom to top. The support rod is located inside the overflow cavity and the marker is supported on the buoyancy tank by the support rod. A through hole is formed in the middle of the bottom wall of the box; the overflow part includes a funnel body located inside the box and a funnel tube located at the lower end of the funnel body. The funnel body and the funnel tube form a funnel structure. The funnel body is arranged coaxially with the box body. The upper end of the funnel body is located below the upper end of the box body. The edge of the funnel body is located at the edge of the inner cavity of the box body. There is a gap between the outer peripheral surface of the upper end of the funnel body and the inner cavity wall of the box body. The funnel tube is adapted to the through hole and is fixedly connected in the through hole. The lower end of the funnel tube is located inside the buoyancy tank; the inner cavity of the funnel body and the inner cavity of the funnel tube form the overflow cavity.

2. The automated displacement detection equipment for tower cranes according to claim 1, characterized in that: Each of the aforementioned marking segments has an inwardly recessed oblique hole on its outer surface, the oblique hole being inclined upward from the outside to the inside; it also includes a plurality of metal balls respectively disposed in each of the oblique holes and a spherical crown-shaped metal shell supported on the box body with its opening facing upward, the middle of the metal shell having a first through hole for the support rod to pass through.

3. The automated displacement detection equipment for tower cranes according to claim 1, characterized in that: Each of the aforementioned marking segments is coated with a different color of coating.

4. The automated displacement detection equipment for tower cranes according to claim 1, characterized in that: It also includes a guide cylinder disposed inside the container and arranged coaxially with the container, and at least one connecting rod for connecting the guide cylinder and the container, one end of the connecting rod being fixedly connected to the wall of the guide cylinder, and the other end of the connecting rod being fixedly connected to the wall of the container.

5. The automated displacement detection equipment for tower cranes according to claim 1, characterized in that: It also includes a first water inlet pipe located at the upper end of the barrel wall of the container, a first funnel located on the first water inlet pipe, a second water inlet pipe located at the upper end of the box wall of the container, and a second funnel located on the second water inlet pipe.

6. The automated displacement detection equipment for tower cranes according to claim 1, characterized in that: Both the container and the box are made of transparent material. The outer surface of the container is provided with a first marking line for marking the initial liquid level of the buoyant liquid inside the container, and the surface of the box is provided with a second marking line for marking the initial liquid level of the gravitational liquid inside the box.

7. The automated displacement detection equipment for tower cranes according to claim 1, characterized in that: A circular bubble level is provided at the upper end of the mounting plate.

Citation Information

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