A positioning device, a positioning method and a positioning apparatus

Abstract

The application discloses a positioning device, a positioning method and a positioning equipment, and relates to the technical field of building, so as to solve the problems of low positioning accuracy of the center of a steel reinforcement cage and complex inspection process. The positioning device comprises a positioning structure, a display structure and at least three connecting structures. The first end of the at least three connecting structures is movably connected to one end face of the positioning structure; and the second end of the at least three connecting structures is used for connecting a tool to be positioned. The display structure is connected to the center of the end face of the positioning structure away from the connecting structure; and when the display structure emits a light point, the projection point of the light point on the positioning structure coincides with the center point of the positioning structure. The application further provides a positioning method applied to the positioning device in the above technical scheme and a positioning equipment comprising the positioning device in the above technical scheme.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building technology, in particular to a positioning device, a positioning method and a positioning equipment. BACKGROUND

[0002] In the process of building construction, underwater bored piles are mostly large-diameter and large-depth concrete bored piles. In the process of piling, it is necessary to ensure that the position of the reinforcement cage does not change during the concrete pouring process.

[0003] The positioning (centering) of the reinforcement cage of the underwater bored pile in the prior art is as follows: when the top of the reinforcement cage is above the mud water level in the hole, a cross line is pulled at the top of the reinforcement cage to find the geometric center of the reinforcement cage. The reinforcement cage is lowered to the design elevation, the pile center is restored by using the pile guard, and a cross line is hung to adjust the position of the reinforcement cage lifting ring. The centering positioning is completed by measuring and making the centers of the two cross lines coincide using a plumb bob.

[0004] However, the positioning method provided by the prior art has the disadvantages of low positioning accuracy and difficulty in inspection. SUMMARY

[0005] The purpose of the present application is to provide a positioning device, a positioning method and a positioning equipment for improving the positioning accuracy of the center of the reinforcement cage and simplifying the inspection process.

[0006] In order to achieve the above purpose, in a first aspect, the present application provides a positioning device. The positioning device comprises a positioning structure, a display structure, and at least three connecting structures.

[0007] The first end of the at least three connecting structures is movably connected to one end face of the positioning structure. The second end of the at least three connecting structures is used to connect a workpiece to be positioned. The display structure is connected to the center of the end face of the positioning structure away from the connecting structure. When the display structure emits a light point, the projection point of the light point on the positioning structure coincides with the center point of the positioning structure.

[0008] Compared with the prior art, the positioning device provided by the application has the following advantages: the first end face of the positioning structure is movably connected with the first end of the at least three connecting structures, and the second end of the at least three connecting structures is used for connecting the workpiece to be positioned. In actual use, the position of the center point of the workpiece to be positioned can be determined simply and quickly by adjusting the positions of the at least three connecting structures and connecting the second end of the at least three connecting structures with the workpiece to be positioned. When the center point of the workpiece to be positioned coincides with the center point of the positioning structure, the position of the center point of the workpiece to be positioned can be reflected by the position of the center point of the positioning structure. In addition, the display structure is connected with the center of the end face of the positioning structure away from the connecting structure, and when the display structure emits a light point, the projection point of the light point on the positioning structure coincides with the center point of the positioning structure, so that the position of the center point of the positioning structure can be reflected by the light point. In actual use, the light point emitted by the display structure arranged on the positioning structure is made to coincide with the calibration center (the center of the pile to be restored), that is, the center point of the workpiece to be positioned, the center point of the positioning structure, the light point emitted by the display structure and the calibration center all coincide, so that the workpiece to be positioned is centered. Compared with the prior art, the workpiece to be positioned in the application can be quickly centered by the cooperation between the positioning structure and the display structure, instead of the mode that a "cross line" is drawn on the top of the workpiece to be positioned, a "cross line" is hung on the center of the pile to be restored, and the center of the two "cross lines" is made to coincide by using a hanging line hammer, so that the centering of the workpiece to be positioned is more accurate, and the positioning precision is improved. Further, since the positioning device provided by the application indirectly reflects the position of the center point of the workpiece to be positioned by the light point, the workpiece to be positioned can be checked by emitting the light point of the display structure, which is simple and convenient and improves the detection efficiency.

[0009] In a second aspect, the application further provides a positioning method applied to the positioning device described in the above technical solution. The positioning method comprises the following steps:

[0010] The first end of the at least three connecting structures is movably connected with the end face of the positioning structure.

[0011] The positions of the at least three connecting structures are adjusted, the second end of the at least three connecting structures is connected with the workpiece to be positioned, and the projection of the center point of the positioning structure on the workpiece to be positioned coincides with the center point of the workpiece to be positioned.

[0012] The display structure is connected with the center of the end face of the positioning structure away from the connecting structure, the display structure emits a light point, and the projection point of the light point emitted by the display structure on the positioning structure coincides with the center point of the positioning structure.

[0013] In a third aspect, the application further provides a positioning device comprising the positioning device described in the above technical solution.

[0014] The beneficial effects of the second aspect, the third aspect and various implementations thereof in the present application can refer to the beneficial effects in the first aspect and various implementations thereof, which will not be repeated here. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0016] Figure 1 A schematic diagram showing the use of the positioning device in the embodiment of the present application is shown;

[0017] Figure 2 A schematic diagram showing the first state of the positioning device in the embodiment of the present application is shown;

[0018] Figure 3 A schematic diagram showing the structure of the first part of the positioning device in the embodiment of the present application is shown;

[0019] Figure 4 A schematic diagram showing the second state of the positioning device in the embodiment of the present application is shown;

[0020] Figure 5 A schematic diagram showing the structure of the second part of the positioning device in the embodiment of the present application is shown;

[0021] Figure 6 A schematic diagram showing the structure of the third part of the positioning device in the embodiment of the present application is shown.

[0022] Reference signs:

[0023] 1 is a positioning structure, 10 is a center disc, 11 is a limiting groove; 2 is a connecting structure, 3 is a display structure, 4 is a steel cage, 5 is a first connecting piece, 6 is a support, 7 is a screw rod, 8 is a suspension piece, 9 is a third connecting piece, 12 is a take-up reel, 13 is a line wheel, 14 is a wire clamp, 15 is a connecting bolt. DETAILED DESCRIPTION

[0024] In order to make the technical problems to be solved by the present application, the technical solutions and beneficial effects more clearly understood, the present application will be further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0025] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0026] Furthermore, the terms "first", "second", "third", etc. are used herein for descriptive purposes only and are not to be construed as indicating or implying relative importance or an ordered sequence. Thus, features defined with "first", "second" or "third" can include one or more of the features. In the description of the application, the meaning of "a number of" is two or more, unless explicitly specified otherwise.

[0027] In the description of the application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, and are not to be construed as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be construed as limiting the application.

[0028] In the description of the application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0029] In the process of building construction, underwater bored piles are mostly large-diameter and large-depth concrete bored piles. During piling, the position of the reinforcement cage must be ensured unchanged during the concrete pouring process.

[0030] The positioning (centering) of the underwater bored pile reinforcement cage in the prior art is as follows: when the top of the reinforcement cage is above the mud water level in the hole, a "cross" line is drawn on the top of the reinforcement cage to find the geometric center of the reinforcement cage. The reinforcement cage is lowered to the design elevation, the pile center is restored using the pile guard, and a "cross" line is hung to adjust the position of the reinforcement cage lifting ring, and the center of the two "cross" lines is made to coincide by using a plumb bob, thereby completing the centering and positioning.

[0031] However, the positioning method provided by the prior art has the disadvantages of low positioning accuracy and difficulty in inspection.

[0032] To solve the above technical problems, an embodiment of the application provides a positioning device. The positioning device is used for centering of a to-be-positioned tooling. It should be understood that the to-be-positioned tooling can be a reinforcement cage, and of course can also be other workpieces that need to be positioned and centered. The following description will be described taking the reinforcement cage as an example. It should be understood that the following description is only for explanation and is not limiting.

[0033] Referring to Figure 1 and Figure 2 , the positioning device comprises a positioning structure 1, a display structure 3, and at least three connecting structures 2. The first end of the at least three connecting structures 2 is movably connected to one end surface of the positioning structure 1, and the second end of the at least three connecting structures 2 is used to connect a tool to be positioned. The display structure 3 is connected to the center of the end surface of the positioning structure 1 away from the connecting structure 2, and when the display structure 3 emits a light point, the projection point of the light point on the positioning structure 1 coincides with the center point of the positioning structure 1.

[0034] Referring to Figure 1 and Figure 2 , the positioning structure 1 can be a circular positioning structure or a polygonal positioning structure, as long as it can be used to connect the display structure 3 and the connecting structure 2. The shape and material of the positioning structure 1 are not specifically limited here, as long as they meet the actual needs.

[0035] Referring to Figure 1 and Figure 2 , the display structure 3 can be any device that can emit a light point, such as a laser emitter.

[0036] Referring to Figure 1 and Figure 2 , the connecting structure 2 can be provided in three, four, or five. When the connecting structure 2 is provided in four, the second end of the four equal-length connecting structures 2 is connected to the tool to be positioned, and at this time, the center point of the positioning structure 1 can be determined to coincide with the center point of the tool to be positioned. That is, the center point of the tool to be positioned can be determined simply and quickly through the center point of the positioning structure 1.

[0037] Referring to Figure 1 and Figure 2The positioning device provided by the embodiment of the present application is characterized in that one end surface of the positioning structure 1 is movably connected with the first end of the at least three connecting structures 2, and the second end of the at least three connecting structures 2 is used to connect the workpiece to be positioned. In actual use, the position of the second end of the at least three connecting structures 2 is adjusted to connect the workpiece to be positioned, and the center point of the workpiece to be positioned can be determined simply and quickly through the center point of the positioning structure 1. When the center point of the workpiece to be positioned coincides with the center point of the positioning structure 1, the position of the center point of the workpiece to be positioned can be reflected by the position of the center point of the positioning structure 1. In addition, the display structure 3 is connected with the center of the end surface of the positioning structure 1 away from the connecting structure 2, and when the display structure 3 emits a light point, the projection point of the light point on the positioning structure 1 coincides with the center point of the positioning structure 1, and the position of the center point of the positioning structure 1 can be reflected by the light point at this time. In actual use, the position of the workpiece to be positioned is adjusted to make the light point emitted by the display structure 3 arranged on the positioning structure 1 coincide with the calibration center (the center of the pile to be restored), that is, the center point of the workpiece to be positioned, the center point of the positioning structure 1, the light point emitted by the display structure 3, and the calibration center all coincide, so as to realize the centering of the workpiece to be positioned. Compared with the prior art, the workpiece to be positioned in the embodiment of the present application can be quickly centered through the cooperation between the positioning structure 1 and the display structure 3, instead of the mode of pulling a “cross line” on the top of the workpiece to be positioned, hanging a “cross line” on the center of the pile to be restored, and measuring by using a hanging line hammer to make the centers of the two “cross lines” coincide, so that the centering of the workpiece to be positioned is more accurate, and the positioning precision is improved. Further, since the positioning device provided by the embodiment of the present application indirectly reflects the position of the center point of the workpiece to be positioned through the light point, the workpiece to be positioned can be checked whether it is centered only by emitting the light point of the display structure 3, which is simple and convenient, and improves the detection efficiency.

[0038] As a possible implementation manner, refer to Figures 1 to 3 The center position of the positioning structure 1 is provided with a center disc 10, and the center point of the positioning structure 1 is located at the center of the center disc 10. At least three limiting grooves 11 are arranged on the end surface of the positioning structure 1 close to the connecting structure 2, one end of the at least three limiting grooves 11 is connected with the center disc 10, the other end is communicated with the edge of the positioning structure 1, and the connecting structure 2 is located in the limiting groove 11 when the positioning device positions the workpiece to be positioned.

[0039] For example, refer to Figures 1 to 3The positioning structure 1 is a circular positioning structure. Since the circle has good symmetry, the center of the circle can be quickly determined, and then the center point of the positioning structure can be quickly determined. Moreover, since the edge of the circular positioning structure is smooth, other construction materials are not easy to be damaged, and workers are not easy to be scratched in the actual use process. Further, even if the workers or other construction materials collide with the circular positioning structure in the actual use process, the smooth edge can reduce the impact and damage to the workers or other construction materials. For example, the radius of the circular positioning structure can be 45 mm to 60 mm, and the thickness can be 26 mm to 29 mm. For example, the radius of the circular positioning structure can be 45 mm, 50 mm or 60 mm, and the thickness can be 26 mm, 27.5 mm or 29 mm. A center disc 10 is arranged at the center position of the circular positioning structure. The center disc 10 can also be a circular structure, and the center point of the circular positioning structure is located at the center of the center disc 10. A screw hole is vertically arranged at the center position of the center disc 10, which is used to install the display structure 3. By arranging the center disc 10, the workers can quickly determine the position of the center point of the circular positioning structure. By connecting the display structure 3 with the center disc 10, the display structure 3 can be used for actual work, and the construction speed is accelerated. Further, if the center disc 10 is damaged in the long-term work process, so that the circular positioning structure cannot be connected with the display structure 3, at this time, only the center disc 10 needs to be replaced, and other parts of the positioning device can continue to be used. At this time, not only the maintenance time is saved, but also the normal work of the original positioning device is maintained to the maximum extent, and materials are saved.

[0040] As another possible implementation, see Figure 2 The center disc 10 can also be a center disc with a top outwardly protruding structure, and a screw hole is arranged on the outwardly protruding structure. The center of the screw hole coincides with the center of the center disc 10, and the screw hole can be used to install the display structure 3. In the prior art, when the screw hole is in the same plane as the center disc 10, since the screw hole is small, if the display structure 3 is connected with the screw hole, the workers need to spend a lot of time and effort. However, in the embodiment of the present application, the position of the screw hole is outwardly protruding relative to other positions of the center disc 10, which is convenient for the workers to operate and saves time and effort. The outwardly protruding structure can protrude 8 mm to 11 mm relative to the plane of the center disc 10, and the radius of the screw hole can be 1.5 mm to 2.4 mm. For example, the outwardly protruding structure can protrude 8 mm, 10 mm or 11 mm relative to the plane of the center disc 10, and the radius of the screw hole can be 1.5 mm, 2 mm or 2.4 mm.

[0041] Further, see Figures 1 to 3The positioning structure 1 is provided with four limiting grooves 11 on one end surface close to the connecting structure 2, one end of each of the four limiting grooves 11 is connected with the center disc 10, and the other end is communicated with the edge of the positioning structure 1. The diameter of the four limiting grooves 11 can be 20mm to 30mm. For example, the diameter of the four limiting grooves 11 can be 20mm, 28mm or 30mm, etc. The four limiting grooves 11 can be semicircular groove-shaped wire clamping grooves, and the four limiting grooves 11 are centrally symmetrically distributed with respect to the center of the center disc 10. When the positioning device positions the to-be-positioned tooling, the four connecting structures 2 are respectively located in the four limiting grooves 11, and at this time the connecting structure 2 is clamped with the limiting groove 11. The limiting groove 11 can be used to fix the connecting structure 2, so as to prevent the connecting structure 2 from being offset with respect to the positioning structure 1 during the process of connecting with the to-be-positioned tooling, thereby affecting the centering result of the to-be-positioned tooling.

[0042] As a possible implementation, see Figures 1 to 3 The positioning device can further include at least three first connecting pieces 5. The first end of the at least three connecting structures 2 is movably connected with one end surface of the positioning structure 1, including that the first end of any connecting structure 2 is movably connected with the first end of any first connecting piece 5, and the second end of the at least three first connecting pieces 5 is connected with the center disc 10 of the positioning structure 1.

[0043] See Figures 1 to 3 The first connecting piece 5 is used to connect the connecting structure 2 and the center disc 10 of the positioning structure 1, which can ensure that the connection between the connecting structure 2 and the center disc 10 is more stable, thereby ensuring the normal use of the positioning device. At the same time, by setting the first connecting piece 5, the movable connection between the connecting structure 2 and the positioning structure 1 can be realized, so that the angle between the connecting structure 2 and the positioning structure 1 can be adjusted according to actual needs to meet the working needs.

[0044] For example, see Figures 1 to 3 The positioning device can include four first connecting pieces 5, the first end of any connecting structure 2 is movably connected with the first end of any first connecting piece 5, and the second end of the first connecting piece 5 is connected with the center disc 10 of the positioning structure 1. The first connecting piece 5 can be a connecting shaft, and the distance between the center of the connecting shaft and the center of the center disc 10 can be 15mm to 18mm, for example, it can be 15mm, 16.6mm or 18mm.

[0045] As a possible implementation, see Figures 1 to 3, any one connecting structure 2 can include at least two second connecting pieces, the adjacent two second connecting pieces are sleeved and connected, and a telescopic connecting structure is formed. The first end of any one connecting structure 2 is movably connected with the first end of any one first connecting piece 5, including that the first end of any one telescopic connecting structure 2 is movably connected with the first end of any one first connecting piece 5. The positioning device can further include at least three supports 6, the second end of any one telescopic connecting structure 2 is connected with the first end of any one support 6, and the second end of any one support 6 is used for being connected with the tool to be positioned.

[0046] For example, referring to Figures 1 to 3 , any one connecting structure 2 described above can be a telescopic connecting structure 2 formed by sleeving and connecting three second connecting pieces. Specifically, for the convenience of description, the three second connecting pieces are defined as connecting rod a, connecting rod b and connecting rod c respectively, and the length of each second connecting piece can be 350mm to 500mm. For example, the length of each second connecting piece can be 350mm, 400mm or 500mm, etc. The connecting rod a, as an upper rod connected with the first connecting piece 5, can have a diameter of 15mm to 25mm. For example, the diameter of the connecting rod a can be 15mm, 20mm or 25mm, etc. A connecting ring (not shown in the figures) for connecting with the first connecting piece 5 is arranged at the top end of the connecting rod a. Through the connecting ring, the connecting structure 2 can rotate 90 degrees around the first connecting piece 5, so that the connecting structure 2 is clamped in the limiting groove 11. Meanwhile, a spring buckle hole a is arranged at a distance of 15mm to 25mm from the bottom end of the connecting rod a, which is used for connecting with the connecting rod b later. For example, in the embodiment of the present application, the spring buckle hole a can be arranged at a distance of 15mm, 20mm or 25mm from the bottom end of the connecting rod a. Figures 1 to 3

[0047] For example, referring to Figures 1 to 3 , the connecting rod b, as an intermediate rod sleeved and connected with the connecting rod a, can have a diameter of 12mm to 22mm, and a spring buckle b matched with the spring buckle hole a is arranged at a distance of 15mm to 25mm from the top end of the connecting rod b. For example, the diameter of the connecting rod b can be 12mm, 17mm or 22mm, etc., and the spring buckle b matched with the spring buckle hole a can be arranged at a distance of 15mm, 20mm or 25mm from the top end of the connecting rod b. When the connecting rod b is extended relative to the connecting rod a, the spring buckle b is clamped in the spring buckle hole a. Meanwhile, a spring buckle hole b is arranged at a distance of 15mm to 25mm from the bottom end of the connecting rod b, which is used for connecting with the connecting rod c later. For example, in the embodiment of the present application, the spring buckle hole b can be arranged at a distance of 15mm, 20mm or 25mm from the bottom end of the connecting rod b.

[0048] For example, referring to Figures 1 to 3 ​The connecting rod c, as the last rod connected with the connecting rod b, can have a diameter of 9mm to 19mm, and a spring buckle c matching the spring buckle hole b is arranged at a distance of 15mm to 25mm from the top end of the connecting rod c. For example, the connecting rod c can have a diameter of 9mm, 14mm or 19mm, and the spring buckle c matching the spring buckle hole b can be arranged at a distance of 15mm, 20mm or 25mm from the top end of the connecting rod c. When the connecting rod c is extended relative to the connecting rod b, the spring buckle c is clamped in the spring buckle hole b. Through the spring buckle and the spring buckle hole, the connecting rod a, the connecting rod b and the connecting rod c can be connected in a sleeved manner to form a telescopic connecting structure.

[0049] Referring to Figure 1 and Figure 2 Further, the positioning device can further include four supports 6, the second end (the bottom end of the connecting rod c) of any telescopic connecting structure 2 is connected with the first end of any support 6, and the second end of any support 6 is used to be connected with the tool to be positioned. The above-mentioned support 6 can be a U-shaped support, and the open end of the U-shaped support can be clamped on the tool to be positioned. Specifically, in the embodiment of the present application, the open end of the U-shaped support can be clamped on the top end reinforcing hoop of the reinforcement cage 4.

[0050] Referring to Figures 1 to 3 Since the connecting structure 2 can be telescopic, at this time, the length of the connecting structure 2 can be adjusted according to the distance between the positioning structure 1 and the tool to be positioned, so as to adapt to tools to be positioned of different sizes, so that the positioning device becomes a kind of universal tool, and the application range is more extensive. For example, the length of the connecting structure 2 can be adjusted by adjusting the relative position relationship between the connecting rod c and the connecting rod b, or adjusting the relative position relationship between the connecting rod b and the connecting rod a.

[0051] Further, referring to Figures 1 to 3 Through the above-mentioned support 6, the tool to be positioned and the connecting structure 2 can be stably clamped together, and then the tool to be positioned and the positioning device are stably connected, at this time, it can be ensured that the position of the positioning device relative to the tool to be positioned is unchanged. When the position of the tool to be positioned is adjusted in the later stage to make it centered, the stability of the positioning device can be ensured, and the position deviation or falling of the positioning device relative to the tool to be positioned is prevented, so as to improve the accuracy and efficiency of centering.

[0052] As a possible implementation manner, referring to Figure 1 and Figure 2 The above-mentioned positioning device can further include at least three lead screws 7. The second end of any telescopic connecting structure 2 connected with the first end of any support 6 includes: the second end of any telescopic connecting structure 2 connected with the first end of any lead screw 7, and the second end of any lead screw 7 connected with the first end of any support 6.

[0053] For example, see Figure 1 and Figure 2 The aforementioned positioning device may further include four lead screws 7, with ball nuts positioned 15mm to 25mm from the bottom of the connecting rod c. Figure 1 and Figure 2 (Not shown in the diagram). For example, in actual use, a ball nut can be installed 15mm, 20mm, or 25mm from the bottom of the connecting rod c, and the connecting structure 2 can be connected to the lead screw 7 through the ball nut. Since the second end of the lead screw 7 is provided with a connecting shaft, and the first end of the bracket 6 is provided with a connecting ring, the second end of the lead screw 7 can be connected to the first end of the bracket 6 through the connecting shaft and the connecting ring.

[0054] See Figure 1 and Figure 2 Since the positioning device may include a telescopic connecting structure and a lead screw 7, the length of the telescopic connecting structure or the position of the lead screw 7 relative to the connecting rod c can be adjusted to accommodate different specifications of the fixture to be positioned. For example, when the lengths of the connecting rods a, b, and c in the telescopic connecting structure are insufficient to connect the bracket 6 to the reinforcing cage 4, a lead screw 7 can be installed on the connecting rod c using a ball nut. By adjusting the relative length between the lead screw 7 and the connecting rod c, the bracket 6 can be connected to the reinforcing cage 4. For instance, the relative position of the ball nut to the lead screw 7 can be adjusted to change the relative positional relationship between the lead screw 7 and the connecting rod c, ensuring that the total length of the lead screw 7 and the telescopic connecting structure meets the actual requirements, thereby connecting the positioning device to the fixture to be positioned. Furthermore, since the distance that the ball nut can adjust relative to the lead screw 7 in a single operation is constant, and the adjustment precision of the ball nut is high, it can be ensured that the distance between the lead screw 7 and the fixture to be positioned meets the actual requirements, thus achieving rapid centering of the fixture.

[0055] As one possible implementation, see Figures 1 to 5 The aforementioned positioning device may further include a suspension member 8 and a third connecting member 9. The center connection between the display structure 3 and the center of the end face of the positioning structure 1 away from the connecting structure 2 includes: the center connection between the display structure 3 and the first end face of the suspension member 8, the center of the second end face of the suspension member 8 and the first end of the third connecting member 9, and the second end of the third connecting member 9 and the center of the end face of the positioning structure 1 away from the connecting structure 2.

[0056] For example, see Figures 1 to 5When the tool to be positioned is below the working liquid level, since it is necessary to keep the display structure 3 always above the working liquid level, the light spot emitted by the display structure 3 is refracted and reflected due to the change of the propagation medium, which affects the centering result. Therefore, the suspender 8 is arranged between the display structure 3 and the positioning structure 1 to provide upward buoyancy for the display structure 3. The suspender 8 can be a floating ball, and the third connecting member 9 can be a connecting rope. In actual use, connecting bolts 15 are arranged at both ends of the connecting rope, one of the connecting bolts 15 is arranged in a screw hole at the center of the centering disc 10, and the other connecting bolt 15 is arranged in a screw hole on the floating ball. Then the display structure 3 is connected with the floating ball, and it should be understood that when the display structure 3 emits a light spot, the projection point of the light spot on the floating ball coincides with the center point of the floating ball, and the center point of the floating ball coincides with the center point of the positioning structure 1. Further, when the positioning device is in the working state, the positioning structure 1 is below the working liquid level, the suspender 8 is suspended on the working liquid level, and the third connecting member 9 between the positioning structure 1 and the suspender 8 is straightened, that is, the length of the third connecting member 9 is consistent with the height difference between the tool to be positioned and the working liquid level.

[0057] In the prior art, when the reinforcement cage is placed below the mud level in the hole, the centering is performed before the reinforcement cage is lowered, and then the positioning reinforcement or the positioning cushion is arranged around the reinforcement cage, and the reinforcement cage is slowly lowered to the design elevation to complete the centering and positioning. The above-mentioned centering method will produce a larger error, and it is not easy to check whether the reinforcement cage is centered in the later period. However, the positioning device provided by the embodiment of the present application, as shown in Figures 1 to 5 When the positioning structure 1 is below the working liquid level, the display structure 3 can work normally above the working liquid level under the action of the suspender 8 and the third connecting member 9. At this time, even if the positioning structure 1 is below the working liquid level, the overall positioning device will not be affected by the outside world and can work normally. Therefore, under the cooperation of the above-mentioned components, not only the normal work of the positioning device can be ensured, but also when the reinforcement cage 4 is below the working liquid level, the error produced when the reinforcement cage 4 is centered by using the above-mentioned positioning device is minimized or no error is produced, and the positioning accuracy of the center of the reinforcement cage 4 is improved. Further, since the positioning device provided by the embodiment of the present application indirectly reflects the position of the center point of the reinforcement cage 4 through the light spot, as long as the display structure 3 emits a light spot, whether the reinforcement cage 4 is centered can be checked, which is simple and convenient and improves the detection efficiency.

[0058] In summary, as shown in Figures 1 to 5 Through the cooperation of the above-mentioned positioning structure 1, connecting structure 2, display structure 3, suspender 8 and third connecting member 9, accurate centering of the reinforcement cage 4 under the working liquid level can be realized, and the positioning center can be detected and observed in real time, which improves the centering efficiency and the detection efficiency, and also improves the construction safety and the construction quality of the tool to be positioned.

[0059] As a possible implementation, refer to Figures 1 to 6 The positioning device can further comprise a winding and unwinding structure connected with the center disc 10. The first end of the winding and unwinding structure is arranged on the wire reel 13, and the second end of the winding and unwinding structure is connected with the center disc 10 through a fixing member.

[0060] For example, refer to Figures 1 to 6 The fixing member connects the winding and unwinding structure with the center disc 10 at any position. Since the first end of the winding and unwinding structure is arranged on the wire reel 13, and the second end of the winding and unwinding structure is arranged on the fixing member, when the winding and unwinding structure is retracted by the wire reel 13, the fixing member can be lifted, and then the positioning structure 1 is lifted. At this time, the connecting structure 2, the lead screw 7 and the support 6 gradually move downward to restore the initial state, and finally the positioning device is retracted from the reinforcement cage 4. The winding and unwinding structure can be a wire winding and unwinding device 12, and the fixing member can be a wire clipper 14. As can be seen, after the reinforcement cage 4 is centered, the positioning device can be retracted through the cooperation of the winding and unwinding structure, the fixing member and the wire reel 13 for next use. Since the positioning device can be recycled, the construction cost for centering the reinforcement cage 4 is saved.

[0061] The embodiment of the present application also provides a positioning method applied in the positioning device described in the above technical solution. Refer to Figures 1 to 6 The positioning method comprises the following steps:

[0062] Step 1: movably connecting the first end of the at least three connecting structures 2 with one end surface of the positioning structure 1.

[0063] Step 2: adjusting the positions of the at least three connecting structures 2 so that the second end of the at least three connecting structures 2 is connected with the workpiece to be positioned, and the projection of the center point of the positioning structure 1 on the workpiece to be positioned coincides with the center point of the workpiece to be positioned.

[0064] Step 3: connecting the display structure 3 with the center of the end surface of the positioning structure 1 away from the connecting structure 2, so that the display structure 3 emits light points, and the projection point of the light points emitted by the display structure 3 on the positioning structure 1 coincides with the center point of the positioning structure 1.

[0065] Compared with the prior art, the positioning method provided by the embodiment of the present application has the same beneficial effects as the positioning device described in the above technical solution, which will not be repeated here.

[0066] In an example, refer to Figures 1 to 6The connecting structure 2 can be a telescopic connecting structure, which can include connecting rods a, b and c. A center disc 10 is arranged at the center of the positioning structure 1, and the center point of the positioning structure 1 is located at the center of the center disc 10. The positioning device further includes a first connecting member 5 connected to the center disc 10 of the positioning structure 1, which can be a connecting shaft. In actual application, the first end (the top end of the connecting rod a) of the telescopic connecting structure can be movably connected to the first connecting member 5 (the connecting shaft) through a connecting ring, so that the first end of the telescopic connecting structure is movably connected to one end surface of the positioning structure 1.

[0067] Referring to Figures 1 to 6 , then according to the diameter of the reinforcement cage 4, the relative positions of the connecting rods a, b and c in the telescopic connecting structure are adjusted to achieve the required length. Since the positioning device further includes a support, the positioning device can be horizontally fixed at the top reinforcing hoop of the reinforcement cage 4 by using the support 6 at this time. If the lengths of the connecting rods a, b and c in the telescopic connecting structure are insufficient to connect the support 6 to the reinforcement cage 4, a lead screw 7 can be arranged on the connecting rod c through a ball nut at this time, and the support 6 is connected to the reinforcement cage 4 by adjusting the relative length between the lead screw 7 and the connecting rod c. When the lead screw 7 is adjusted, it is necessary to ensure that the lengths of the relatively arranged group of lead screws 7 are equal, so as to ensure that the projection of the center point of the positioning structure 1 on the reinforcement cage 4 coincides with the center point of the reinforcement cage 4.

[0068] Referring to Figures 1 to 6 , the display structure 3 can be a laser emitter. When the reinforcement cage 4 is higher than or equal to the working liquid level (mud liquid level or water level), the laser emitter is arranged in a screw hole at the center of the center disc 10 through a bolt, so that the projection point of the light spot emitted by the laser emitter on the positioning structure 1 coincides with the center point of the positioning structure 1. Since the projection of the center point of the positioning structure 1 on the reinforcement cage 4 coincides with the center point of the reinforcement cage 4 at this time, the position of the center point of the reinforcement cage 4 can be indirectly reflected through the light spot. In actual use, the position of the reinforcement cage 4 is adjusted, so that the light spot emitted by the laser emitter arranged on the positioning structure 1 coincides with the calibration center (pile protection recovery pile center), that is, the center point of the reinforcement cage 4, the center point of the positioning structure 1, the light spot emitted by the laser emitter, and the calibration center all coincide, so as to realize the centering of the reinforcement cage 4. For example, when the reinforcement cage 4 is lowered to the design elevation, the position of the reinforcement cage 4 is adjusted by a hoisting device (not shown) through a lifting ring arranged on the reinforcement cage 4, so that the light spot emitted by the laser emitter falls on the intersection of the pile protection recovery pile “cross” lines, and then the center point of the reinforcement cage 4 coincides with the center of the pile protection recovery pile, thereby completing the centering of the reinforcement cage 4. Figures 1 to 6

[0069] As a possible implementation manner, referring to​Figures 1 to 6 When the workpiece to be positioned is below the working fluid level, the positioning device further includes a suspension element 8 and a third connecting element 9. The connection between the display structure 3 and the center of the end face of the positioning structure 1 away from the connecting structure 2 includes: connecting the display structure 3 to the center of the end face of the suspension element 8; connecting the center of the end face of the suspension element 8 away from the display structure 3 to the first end of the third connecting element 9; and connecting the second end of the third connecting element 9 to the center of the end face of the positioning structure 1 away from the connecting structure 2. When the positioning device is in operation, the positioning structure 1 is below the working fluid level, the suspension element 8 is suspended above the working fluid level, the third connecting element 9 between the positioning structure 1 and the suspension element 8 is straightened, and the display structure 3 on the suspension element 8 emits a light spot.

[0070] For example, see Figures 1 to 6 The aforementioned display structure 3 can be a laser emitter, the suspension component 8 can be a float, and the third connecting component 9 can be a connecting rope. For example, when the reinforcing cage 4 is below the working fluid level, connecting bolts 15 are installed at both ends of the connecting rope. One connecting bolt 15 is installed in a screw hole located at the center of the central disk 10, and the other connecting bolt 15 is installed in a screw hole located on the float. The laser emitter is then connected to the float. It should be understood that when the laser emitter emits a light spot, the projection point of the light spot on the float coincides with the center point of the float. Furthermore, when the positioning device is in operation, the positioning structure 1 is connected to the reinforcing cage 4 below the working fluid level, the float is suspended above the working fluid level, and the connecting rope between the positioning structure 1 and the float is taut, meaning the length of the connecting rope is consistent with the height difference between the reinforcing cage 4 and the working fluid level. After the float stabilizes, the lifting equipment adjusts the position of the steel cage 4 by using the lifting rings set on the steel cage 4, so that the light spot emitted by the laser emitter falls on the intersection of the cross lines of the protective pile restoration pile, thereby making the center point of the steel cage 4 coincide with the center of the protective pile restoration pile, thus completing the centering of the steel cage 4.

[0071] As one possible implementation, see ​ Once the steel cage 4 is aligned, the reel 13 is used to retrieve the wire 12, which lifts the positioning structure 1. At this time, the connecting structure 2, the lead screw 7, and the support 6 gradually move downwards to restore the initial state, and finally the positioning device is retrieved from the steel cage 4.

[0072] This invention also provides a positioning device, including the positioning apparatus described in the above technical solution.

[0073] Compared with the prior art, the beneficial effects of the positioning device provided in the embodiments of the present invention are the same as those of the positioning device described in the above technical solutions, and will not be repeated here.

[0074] In the description of the above-mentioned embodiments, specific features, structures, materials or characteristics can be combined in any one or more embodiments or examples in a suitable manner.

[0075] The above description is merely that of specific embodiments of the application, but the protection scope of the application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the application, which should be encompassed in the protection scope of the application. Therefore, the protection scope of the application should be subject to the protection scope of the claims.

Claims

1. A positioning device, characterized in that The positioning structure, the display structure, and at least three connecting structures are included. The first end of the at least three connecting structures is movably connected to one end surface of the positioning structure. The second end of the at least three connecting structures is used to connect the tool to be positioned. The display structure is connected to the center of one end surface of the positioning structure away from the connecting structure, and when the display structure emits a light point, the projection point of the light point on the positioning structure coincides with the center point of the positioning structure. By adjusting the position of the tool to be positioned, the light point emitted by the display structure arranged on the positioning structure coincides with the calibration center, so that the center point of the tool to be positioned, the center point of the positioning structure, the light point emitted by the display structure, and the calibration center all coincide, thereby achieving the centering of the tool to be positioned. The center position of the positioning structure is provided with a center disc, and the center point of the positioning structure is located at the center of the center disc. At least three limiting grooves are arranged on one end surface of the positioning structure close to the connecting structure, one end of the at least three limiting grooves is connected to the center disc, the other end is communicated with the edge of the positioning structure, and when the positioning device positions the tool to be positioned, the connecting structure is located in the limiting groove. The positioning device further comprises at least three first connecting members. The first end of any connecting structure is movably connected to the first end of any first connecting member, and the second end of the at least three first connecting members is connected to the center disc of the positioning structure. Any connecting structure comprises at least two second connecting members, and adjacent two second connecting members are sleeved and connected, thereby forming a telescopic connecting structure. The first end of any telescopic connecting structure is movably connected to the first end of any first connecting member. The positioning device further comprises at least three supports, the second end of any telescopic connecting structure is connected to the first end of any support, and the second end of any support is used to connect the tool to be positioned. The display structure comprises a laser emitter. The positioning device further comprises at least three lead screws.

2. The positioning device of claim 1, wherein, The second end of any telescopic connecting structure is connected to the first end of any lead screw, and the second end of any lead screw is connected to the first end of any support. The positioning device further comprises a suspension member and a third connecting member.

3. The positioning device of claim 1, wherein, The display structure is connected to the center of one end surface of the positioning structure away from the connecting structure, and the display structure is connected to the center of the first end surface of the suspension member, the center of the second end surface of the suspension member is connected to the first end of the third connecting member, and the second end of the third connecting member is connected to the center of one end surface of the positioning structure away from the connecting structure. The positioning device further comprises a folding and unfolding structure, the folding and unfolding structure is connected to the center disc, and / or 4. The positioning device of claim 1, wherein, ​ The first end of the winding structure is arranged on the line wheel, and the second end of the winding structure is connected with the center disc through the fixing member.

5. A positioning method characterized by, The positioning method is applied to the positioning device of any one of claims 1 to 4. The positioning method comprises: The first end of at least three connection structures is movably connected with one end surface of the positioning structure; The positions of the at least three connection structures are adjusted so that the second end of the at least three connection structures is connected with the workpiece to be positioned, and the projection of the center point of the positioning structure on the workpiece to be positioned coincides with the center point of the workpiece to be positioned; The display structure is connected with the center of the end surface of the positioning structure away from the connection structure, so that the display structure emits a light point, and the projection point of the light point emitted by the display structure on the positioning structure coincides with the center point of the positioning structure.

6. The positioning method according to claim 5, characterized in that, When the workpiece to be positioned is below the working liquid surface, the positioning device further comprises a suspending member and a third connecting member; The connection of the display structure with the center of the end surface of the positioning structure away from the connection structure comprises: The display structure is connected with the center of the end surface of the suspending member, the center of the end surface of the suspending member away from the display structure is connected with the first end of the third connecting member, and the second end of the third connecting member is connected with the center of the end surface of the positioning structure away from the connection structure; When the positioning device is in the working state, the positioning structure is below the working liquid surface, the suspending member is suspended on the working liquid surface, the third connecting member between the positioning structure and the suspending member is straightened, and the display structure on the suspending member emits a light point.

7. A positioning device, characterized by The positioning device comprises the positioning device of any one of claims 1 to 4.

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