Arc-shaped structure construction positioning device

By designing the combination of mobile base, hydraulic cylinder, adjustment rod and support plate, the problem that positioning equipment cannot be flexibly adjusted during arc structure construction is solved, and stable support and convenient positioning of arc structures are achieved, reducing wear.

CN223293416UActive Publication Date: 2025-09-02CCCC RUITONG CONSTR ENG CO LTD +1
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Patent Information

Application Number
CN202422751743.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-12
Publication Date
2025-09-02
Estimated Expiration
2034-11-12

AI Technical Summary

Technical Problem

The existing arc structure construction positioning equipment cannot be flexibly adjusted, resulting in large friction between the positioning plate and the arc structure, causing wear and affecting construction stability.

Method used

A construction positioning device for arc-shaped structures including a mobile base, hydraulic cylinder, adjustment rod, support plate and positioning cloth is designed. By driving the adjustment of the hydraulic cylinder to control the adjustment of the adjustment rod and support plate, combined with the clamping and positioning inserting rod of the positioning cloth, flexible positioning and stable support of the arc-shaped structure are achieved.

Benefits of technology

It realizes flexible positioning and stable support of the arc-shaped structure, reduces wear and improves the stability and convenience of construction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to an arc-shaped structure construction positioning device which comprises a movable base, the upper surface of the movable base is fixedly connected with a vertically-arranged fixing plate, one side face of the fixing plate is provided with a first hydraulic cylinder, the output end of the first hydraulic cylinder is horizontally arranged in an extending mode and connected with an adjusting rod, and the adjusting rod is vertically arranged. A first adjusting plate is arranged at the upper end, a second adjusting plate is arranged at the lower end, and a vertically arranged connecting shaft is arranged between the first adjusting plate and the second adjusting plate; a first supporting plate and a second supporting plate are hinged to the connecting shaft, one end of the first supporting plate and one end of the second supporting plate are hinged to the connecting shaft, the other ends of the first supporting plate and the second supporting plate are arranged in a fan-shaped structure in an opening mode, and positioning cloth is arranged between the other ends of the first supporting plate and the second supporting plate. The upper side and the lower side of one end of the first supporting plate are in positioning connection with the first adjusting plate and the second adjusting plate through first positioning bolts respectively, and the upper side and the lower side of one end of the second supporting plate are in positioning connection with the first adjusting plate and the second adjusting plate through second positioning bolts respectively.
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Description

Technical Field

[0001] The utility model relates to the technical field related to building construction, and in particular to a construction positioning device for an arc structure. Background Art

[0002] Building construction refers to the production activities during the implementation phase of engineering construction. It is the construction process of various buildings. It can also be said to be the process of turning various lines on the design drawings into physical objects at designated locations. During the construction process, some curved structures require specific positioning equipment to limit their position during construction, thereby improving the stability of the curved construction.

[0003] Common arc construction positioning equipment uses an arc-shaped positioning plate to clamp and limit the arc structure. However, due to the different arc sizes of the arc structure, the positioning plate is inconvenient to flexibly adjust according to the arc size, which affects the flexibility of the positioning equipment. In addition, the direct friction between the positioning plate and the arc structure is large, which causes wear on the outside of the arc structure and affects construction.

[0004] There is an urgent need for a curved structure construction positioning device to solve the technical defects proposed in the above technology. Utility Model Content

[0005] In order to solve one or more technical problems in the prior art, the utility model provides a construction positioning device for an arc structure.

[0006] The cam is connected to the adjusting base by a first hydraulic cylinder which is fixed on the upper surface of the adjusting base and a second hydraulic cylinder which is connected to the adjusting base by a second hydraulic cylinder.

[0007] The beneficial effects of the utility model are as follows: the arc-shaped structure construction positioning device of the utility model not only realizes the function of facilitating flexible positioning, but also realizes the function of facilitating movement and stable propulsion.

[0008] On the basis of the above technical solution, the present invention can also be improved as follows.

[0009] Furthermore, a limiting slider is provided at the lower end of the adjusting rod, and a slide rail is provided on the upper surface of the movable base. The slide rail is arranged along an extension direction parallel to the output end of the first hydraulic cylinder, and the limiting slider is adapted to be slidably connected to the slide rail.

[0010] The beneficial effect of adopting the above further solution is that by providing a limit slider, it is convenient to move stably along the movable base when pushing the fixed plate.

[0011] Furthermore, a first hinge sleeve is provided at one end of the first support plate, and the first hinge sleeve is movably mounted on the connecting shaft. A second hinge sleeve is provided at one end of the second support plate, and the second hinge sleeve is movably mounted on the connecting shaft.

[0012] The beneficial effect of adopting the above further solution is that by providing the first hinge sleeve and the second hinge sleeve, the first support plate and the second support plate can be easily rotated relative to or towards each other along the connecting axis.

[0013] Furthermore, a circle of first adjustment holes is provided on the first adjustment plate, and the circle of first adjustment holes is arranged in a circular arc shape with the central axis of the connecting shaft as the center; a circle of second adjustment holes is provided on the second adjustment plate, and the circle of second adjustment holes is arranged in a circular arc with the central axis of the connecting shaft as the center; the first adjustment holes and the second adjustment holes are arranged one by one in the upper and lower parts; the upper and lower sides of one end of the first support plate are respectively positioned and connected with the correspondingly arranged first adjustment holes and second adjustment holes through first positioning bolts, and the upper and lower sides of one end of the second support plate are respectively positioned and connected with the correspondingly arranged first adjustment holes and second adjustment holes through second positioning bolts.

[0014] The beneficial effect of adopting the above further solution is that by providing the correspondingly arranged first adjustment holes and second adjustment holes, it is convenient to adjust the opening of the first support plate and the second support plate and perform positioning according to the size of the arc structure.

[0015] Furthermore, a first movable plate is sleeved on the inner side of the other end of the first support plate, and a second movable plate is sleeved on the inner side of the other end of the second support plate; first limiting bolts are respectively provided on the upper and lower sides of the other end of the first support plate, and the first limiting bolts abut against the upper side or the lower side of the first movable plate for limiting position; second limiting bolts are respectively provided on the upper and lower sides of the other end of the second support plate, and the second limiting bolts abut against the upper side or the lower side of the second movable plate for limiting position;

[0016] Two ends of the positioning cloth are respectively clamped with the first movable plate and the second movable plate.

[0017] The beneficial effect of adopting the above further solution is that by providing the first movable plate and the second movable plate, the lengths of the first support plate and the second support plate can be adjusted and limited according to the size of the arc structure.

[0018] Furthermore, a first card slot is provided at one end of the first movable plate away from the first support plate, and a second card slot is provided at one end of the second movable plate away from the second support plate, and a first positioning card rod and a second positioning card rod are respectively provided at both ends of the positioning cloth, and the first positioning card rod and the second positioning card rod are respectively adapted to be inserted into the first card slot and the second card slot.

[0019] The beneficial effect of adopting the above further solution is that the positioning cloth can be easily connected and replaced by providing the card slot and the positioning card rod.

[0020] Furthermore, there are multiple first hydraulic cylinders.

[0021] The beneficial effect of adopting the above further solution is that by providing multiple first hydraulic cylinders, the stable advancement or retraction of the fixed plate is facilitated.

[0022] Furthermore, a second hydraulic cylinder is arranged vertically on the other side of the fixed plate, the output end of the second hydraulic cylinder extends vertically downward and is connected to a positioning rod, a positioning hole is provided on the movable base, the positioning rod is adapted to be arranged directly above the positioning hole and can be arranged through the positioning hole under the drive of the second hydraulic cylinder.

[0023] The beneficial effect of adopting the above further solution is that by providing the second hydraulic cylinder and the positioning rod, it is convenient to pass the positioning rod through the positioning hole and limit it on the ground for positioning.

[0024] Furthermore, a control cabinet and a storage cabinet are provided on the other side of the fixed plate. The storage cabinet is arranged above or on one side of the control cabinet, and the second hydraulic cylinder is fixed on the bottom wall of the control cabinet.

[0025] Furthermore, a push rod handle is provided on the other side of the fixing plate, and the push rod handle is located above the storage cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a schematic diagram of the main structure of the arc structure construction positioning device of the utility model;

[0027] Figure 2 This is a schematic diagram of a top view of a partial structure of the arc-shaped structure construction positioning device of the utility model;

[0028] Figure 3 for Figure 2 A schematic diagram of the enlarged structure of the middle part A;

[0029] Figure 4 This is a schematic diagram of the structure of the second hydraulic cylinder and the positioning rod in the utility model.

[0030] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0031] 1. Mobile base; 2. Positioning hole; 3. Positioning rod; 4. Second hydraulic cylinder; 5. Control cabinet; 6. Storage cabinet; 7. Fixed plate; 8. First hydraulic cylinder; 9. Limit slider; 10. Adjusting rod; 11. Connecting shaft; 12. First support plate; 13. Second support plate; 14. Slide rail; 15. First hinge sleeve; 16. Second hinge sleeve; 17. Positioning cloth; 18. First positioning rod; 19. Second positioning rod; 20. First adjusting plate; 21. Second adjusting plate; 22. First adjusting hole; 24. First positioning bolt; 25. Second positioning bolt; 26. First limiting bolt; 27. Second limiting bolt; 28. First movable plate; 29. ​​Second movable plate; 30. Push rod handle. DETAILED DESCRIPTION

[0032] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0033] like Figures 1 to 4 As shown, a curved structure construction positioning device of this embodiment includes a mobile base 1, the upper surface of the mobile base 1 is fixedly connected to a vertically arranged fixed plate 7, a side surface of the fixed plate 7 is provided with a first hydraulic cylinder 8, the output end of the first hydraulic cylinder 8 is horizontally extended and connected to an adjusting rod 10, the adjusting rod 10 is vertically arranged, and a first adjusting plate 20 is provided at the upper end and a second adjusting plate 21 is provided at the lower end, a vertically arranged connecting shaft 11 is provided between the first adjusting plate 20 and the second adjusting plate 21; the connecting shaft 11 is respectively hinged to a first support plate 12 and the second support plate 13, the first support plate 12 and the second support plate 13 are both arranged vertically and one end is hinged to the connecting shaft 11 respectively, and the other end is arranged in a fan-shaped structure, and a positioning cloth 17 is provided between the other end of the first support plate 12 and the other end of the second support plate 13; the upper and lower sides of one end of the first support plate 12 are respectively positioned and connected to the first adjustment plate 20 and the second adjustment plate 21 by first positioning bolts 24, and the upper and lower sides of one end of the second support plate 13 are respectively positioned and connected to the first adjustment plate 20 and the second adjustment plate 21 by second positioning bolts 25.

[0034] like Figure 1As shown, in this embodiment, a limiting slider 9 is provided at the lower end of the adjusting rod 10, and a slide rail 14 is provided on the upper surface of the movable base 1. The slide rail 14 is arranged in a direction parallel to the extension direction of the output end of the first hydraulic cylinder 8, and the limiting slider 9 is adapted to be slidably connected to the slide rail 14. The provision of the limiting slider facilitates stable movement along the movable base when pushing the fixed plate.

[0035] like Figure 1 As shown, in this embodiment, a first hinge sleeve 15 is provided at one end of the first support plate 12, and the first hinge sleeve 15 is movably mounted on the connecting shaft 11. A second hinge sleeve 16 is provided at one end of the second support plate 13, and the second hinge sleeve 16 is movably mounted on the connecting shaft 11. The provision of the first hinge sleeve and the second hinge sleeve facilitates relative or opposite rotation of the first support plate and the second support plate along the connecting shaft.

[0036] like Figure 1 and Figure 2 As shown, in this embodiment, the first adjustment plate 20 is provided with a circle of first adjustment holes 22, which are arranged in a circular arc with the central axis of the connecting shaft 11 as the center. The second adjustment plate 21 is provided with a circle of second adjustment holes, which are arranged in a circular arc with the central axis of the connecting shaft 11 as the center. The first adjustment holes 22 and the second adjustment holes are arranged in a one-to-one correspondence. The upper and lower sides of one end of the first support plate 12 are respectively positioned and connected to the corresponding first adjustment holes 22 and second adjustment holes via first positioning bolts 24, and the upper and lower sides of one end of the second support plate 13 are respectively positioned and connected to the corresponding first adjustment holes 22 and second adjustment holes via second positioning bolts 25. The provision of the corresponding first and second adjustment holes facilitates adjustment of the opening and positioning of the first and second support plates according to the size of the arc structure.

[0037] Specifically, such as Figure 2 As shown, the number of the first adjustment holes 22 in this embodiment is 7, and the number of the second adjustment holes is also 7.

[0038] like Figure 1 and Figure 2As shown, in this embodiment, a first movable plate 28 is sleeved on the inner side of the other end of the first support plate 12, and a second movable plate 29 is sleeved on the inner side of the other end of the second support plate 13. First limiting bolts 26 are respectively provided on the upper and lower sides of the other end of the first support plate 12, and the first limiting bolts 26 abut against the upper or lower side of the first movable plate 28 to limit the position. Second limiting bolts 27 are respectively provided on the upper and lower sides of the other end of the second support plate 13, and the second limiting bolts 27 abut against the upper or lower side of the second movable plate 29 to limit the position. The two ends of the positioning cloth 17 are respectively engaged with the first movable plate 28 and the second movable plate 29. The provision of the first and second movable plates facilitates adjustment of the lengths of the first and second support plates and their limiting according to the size of the arc structure.

[0039] like Figure 2 and Figure 3 As shown, in this embodiment, the first movable plate 28 has a first slot extending vertically therethrough at its end facing away from the first support plate 12, and the second movable plate 29 has a second slot extending vertically therethrough at its end facing away from the second support plate 13. The positioning cloth 17 has first and second positioning rods 18 and 19 at its ends, respectively, which fit into the first and second slots, respectively. The provision of the slots and positioning rods facilitates the connection and replacement of the positioning cloth.

[0040] like Figure 1 As shown, in this embodiment, there are multiple first hydraulic cylinders 8, preferably two first hydraulic cylinders 8 arranged one above the other. By providing multiple first hydraulic cylinders, the stable advancement or retraction of the fixed plate is facilitated.

[0041] like Figure 1 and Figure 4 As shown, in this embodiment, the other side of the fixed plate 7 is provided with a second hydraulic cylinder 4 arranged vertically, the output end of the second hydraulic cylinder 4 is extended vertically downward and is connected to a positioning rod 3, a positioning hole 2 is provided on the mobile base 1, the positioning rod 3 is adapted to be arranged directly above the positioning hole 2 and can be arranged through the positioning hole 2 under the drive of the second hydraulic cylinder 4. Before construction, the mobile base 1 needs to be moved to the position of the arc structure construction to ensure that the device fits in the arc structure construction area, and then the second hydraulic cylinder 4 pushes the positioning rod 3 downward. The positioning rod 3 passes through the positioning hole 2 and is inserted into the ground to position the device, ensuring that the device is stable and does not move during the process of supporting the arc structure. The control cabinet 5 is connected to the drive device on the device through wires. The control cabinet 5 can be used to control the device, and the storage cabinet 6 can store positioning cloths 17 of various sizes.

[0042] like Figure 1As shown, a control cabinet 5 and a storage cabinet 6 are provided on the other side of the fixed plate 7 of this embodiment. The storage cabinet 6 is arranged above or on one side of the control cabinet 5 , and the second hydraulic cylinder 4 is fixed on the bottom wall of the control cabinet 5 .

[0043] like Figure 1 As shown, the other side of the fixed plate 7 of this embodiment is provided with a push rod handle 30, and the push rod handle 30 is located above the storage cabinet 6. The setting of the push rod handle 30 facilitates the movement of the mobile base.

[0044] When using a curved structure construction positioning device of this embodiment, the mobile base 1 is first moved to the position of the curved structure construction to ensure that the device is in contact with the curved structure construction area. Then the second hydraulic cylinder 4 pushes the positioning rod 3 downward. The positioning rod 3 passes through the positioning hole and is inserted into the ground to position the device, ensuring that the device is stable and does not move during the process of supporting the curved structure (such as a curved plate). The control cabinet 5 is connected to the drive device on the device through wires. The control cabinet 5 can be used to control the device, and the storage cabinet 6 can store positioning cloths 17 of various sizes. When using this embodiment, the equipment is first moved to the construction area to ensure that the device fits in the construction area of ​​the arc structure. Then the second hydraulic cylinder 4 pushes the positioning rod 3 downward. The positioning rod 3 passes through the positioning hole 2 and is inserted into the ground to position the device. Then the angle between the two sets of support plates is adjusted according to the size of the arc structure. When adjusting, first move the two sets of support plates to a position that matches the angle of the arc plate and fix them with positioning bolts. Then move the position of the movable plate to adjust the positioning radius. Then install the positioning cloth 17 of the corresponding size on the equipment. During installation, insert the positioning rod on the positioning cloth 17 into the slot. Then the first hydraulic cylinder 8 pushes the fixed plate 7 to one side. The fixed plate 7 drives the positioning cloth 17 to move to position the arc structure. The positioning cloth 17 fits and supports the arc structure, which not only achieves the positioning effect but also avoids wear on the arc structure.

[0045] When using a curved structure construction positioning device of this embodiment, it is necessary to first adjust the angle between the two sets of support plates according to the size of the curved structure. When adjusting, first move the two sets of support plates to the angle position that matches the curved structure and fix them with positioning bolts, and then move the position of the movable plate to adjust the positioning radius, and then install the positioning cloth of the corresponding size on the equipment. During installation, insert the positioning rod on the positioning cloth into the corresponding card slot, and then the positioning cloth can be fitted on the curved structure to support it. This structure realizes the function of flexible adjustment and positioning.

[0046] An arc-shaped structure construction positioning device in this embodiment is provided with a movable base, a first hydraulic cylinder, a limiting slider and a slide rail. The positioning device has a compact structure and is lightweight. The movable base at the bottom of the device is convenient for workers to push it to move in the construction area, and the equipment can be flexibly moved to the construction area for use. During the positioning process, the first hydraulic cylinder needs to be started, and the first hydraulic cylinder can push the support plate forward. During the movement of the support plate, the limiting slider at the bottom of the adjusting rod can slide on the slide rail to achieve limited movement. This structure realizes the functions of convenient and flexible movement and stable promotion and positioning.

[0047] A curved structure construction positioning device of this embodiment is provided with a positioning hole, a positioning rod, a second hydraulic cylinder, a control cabinet and a storage cabinet. When the device is moved to the curved structure construction position, the second hydraulic cylinder can be started to push the positioning rod downward. The positioning rod passes through the positioning hole and is inserted into the ground to position the device, ensuring that the device is stable and does not move during the process of supporting the curved structure. The control cabinet is connected to the driving device on the device through wires. The control cabinet can be used to control the equipment. The storage cabinet can accommodate positioning cloths of various sizes. This structure realizes the function of facilitating stable positioning and storage.

[0048] The arc-shaped structure construction positioning device of this embodiment not only realizes the function of facilitating flexible positioning, but also realizes the function of facilitating movement and stable propulsion, and realizes the function of facilitating stable positioning and storage.

[0049] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0050] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0051] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0052] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0054] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A positioning device for arc structure construction, characterized in that: The cam is connected to the adjusting base by a first hydraulic cylinder and a second hydraulic cylinder is connected to the adjusting base by a first hydraulic cylinder.

2. The arc structure construction positioning device according to claim 1, characterized in that: A limiting slider is provided at the lower end of the adjusting rod, and a slide rail is provided on the upper surface of the movable base. The slide rail is arranged along an extension direction parallel to the output end of the first hydraulic cylinder, and the limiting slider is adapted to be slidably connected to the slide rail.

3. The arc structure construction positioning device according to claim 1, characterized in that: One end of the first support plate is provided with a first hinge sleeve, which is movably sleeved on the connecting shaft. One end of the second support plate is provided with a second hinge sleeve, which is movably sleeved on the connecting shaft.

4. The arc structure construction positioning device according to claim 1, characterized in that: A circle of first adjustment holes is provided on the first adjustment plate, and the circle of first adjustment holes is arranged in a circular arc shape with the central axis of the connecting shaft as the center; a circle of second adjustment holes is provided on the second adjustment plate, and the circle of second adjustment holes is arranged in a circular arc with the central axis of the connecting shaft as the center; the first adjustment holes and the second adjustment holes are arranged one by one in an upper and lower correspondence; the upper and lower sides of one end of the first support plate are respectively positioned and connected with the correspondingly arranged first adjustment holes and second adjustment holes by first positioning bolts, and the upper and lower sides of one end of the second support plate are respectively positioned and connected with the correspondingly arranged first adjustment holes and second adjustment holes by second positioning bolts.

5. The arc structure construction positioning device according to claim 1, characterized in that: A first movable plate is sleeved on the inner side of the other end of the first support plate, and a second movable plate is sleeved on the inner side of the other end of the second support plate; first limiting bolts are respectively provided on the upper and lower sides of the other end of the first support plate, and the first limiting bolts abut against the upper side or the lower side of the first movable plate for limiting position; second limiting bolts are respectively provided on the upper and lower sides of the other end of the second support plate, and the second limiting bolts abut against the upper side or the lower side of the second movable plate for limiting position; Two ends of the positioning cloth are respectively clamped with the first movable plate and the second movable plate.

6. The arc structure construction positioning device according to claim 5, characterized in that: The end of the first movable plate facing away from the first support plate is provided with a first card slot that passes through from top to bottom, and the end of the second movable plate facing away from the second support plate is provided with a second card slot that passes through from top to bottom. The two ends of the positioning cloth are respectively provided with a first positioning card rod and a second positioning card rod, and the first positioning card rod and the second positioning card rod are respectively adapted to be inserted into the first card slot and the second card slot.

7. The arc structure construction positioning device according to claim 1, characterized in that: There are multiple first hydraulic cylinders.

8. The arc structure construction positioning device according to claim 1, characterized in that: A second hydraulic cylinder is arranged vertically on the other side of the fixed plate. The output end of the second hydraulic cylinder extends vertically downward and is connected to a positioning rod. A positioning hole is provided on the movable base. The positioning rod is adapted to be arranged directly above the positioning hole and can be arranged through the positioning hole under the drive of the second hydraulic cylinder.

9. The arc structure construction positioning device according to claim 8, characterized in that: A control cabinet and a storage cabinet are provided on the other side of the fixing plate. The storage cabinet is arranged above or on one side of the control cabinet. The second hydraulic cylinder is fixed on the bottom wall of the control cabinet.

10. The arc structure construction positioning device according to claim 9, characterized in that: A push rod handle is provided on the other side of the fixing plate, and the push rod handle is located above the storage cabinet.