Positioning and installation anchoring structure for a bridge pylon and construction method

Abstract

The present application relates to the field of bridge tower fixing structure, especially to a positioning installation anchoring structure for bridge inclined tower and a construction method, comprising an upper structure, a lower structure and a traction cable, the upper structure comprises a base, an upper clamp and an upper buckle, the base is fixed on the upper steel box wall plate, the upper buckle is rotationally connected with the base, and the upper clamp is arranged on the upper buckle; the lower structure comprises a lower buckle slot and a lower clamp, the lower buckle slot is matched with the head of the upper buckle, one end of the traction cable penetrates through the upper clamp and is connected with the outside, and the other end penetrates through the lower clamp and is connected with the outside. The winch is arranged on the transverse plate of the steel box to retract the traction cable, the upper steel box is continuously close to, the posture of the hoisted steel box can be controlled by tightening the traction cable on one side. When the upper and lower steel box segments are connected, welding can be carried out immediately, and the influence of wind on the structure itself can be reduced after preliminary fixing.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of bridge tower fixing structure, in particular to a positioning and installation anchoring structure for a bridge inclined tower. BACKGROUND

[0002] The cable-stayed bridge without back cable is a modern bridge structure, the structural design of the cable-stayed bridge without back cable is unique, the appearance of the bridge is beautiful, and can become a landmark building of a city, so in recent years, it is widely used in city landscape bridges. The traditional cable-stayed bridge adopts the construction method of first erecting a formwork and then pouring concrete, the construction period is long, a large number of formworks are needed, which is not conducive to shortening the construction period, saving construction cost, and realizing efficient and fast construction of the bridge. Therefore, in recent years, in order to shorten the construction period of the cable-stayed bridge without back cable, and to ensure the construction accuracy of the bridge tower, some bridges begin to adopt the structure of filling concrete in the steel box, and the construction method is also changed to synchronous construction of the tower cable, and the bridge tower is completed by hoisting and welding.

[0003] The cable-stayed bridge without back cable has a novel structure, compared with the traditional cable-stayed bridge structure, the bridge tower of the cable-stayed bridge without back cable has only a single side cable, and the stress of the bridge tower is in the form of a cantilever beam under the action of the cable force and its own gravity. In order to ensure that the main tower is in a good stress state, the tower body of the cable-stayed bridge without back cable is generally designed to be inclined, and the self-weight moment of the tower body is relied on to balance the self-weight of the main beam, so the cross-sectional size of the bridge tower of the cable-stayed bridge without back cable is usually relatively large, which also brings great challenges to the hoisting of the steel tower.

[0004] Due to the large cross-sectional size of the bridge tower, the weight of the steel box segment is also increased, and due to the characteristics of the bridge tower of the cable-stayed bridge without back cable, the bridge tower is inclined, so the posture of the bridge tower must be adjusted on the bridge before hoisting, and then hoisted to the air by the hoisting equipment, but during the hoisting process, the posture of the inclined tower will inevitably have some errors, at this time, due to the limited construction position of the inclined tower of the cable-stayed bridge without back cable and the heavy weight of the hoisted structure, it is not easy to adjust the posture in the air, when facing such a situation, the hoisted structure usually needs to be continuously lifted and tried to be assembled to meet the requirements of construction accuracy, but this method greatly increases the risk in the construction project.

[0005] In addition, when the hoisted steel box falls on the lower segment steel box, there will inevitably be some deviation, and the current positioning device cannot well solve such problems, sometimes a jack needs to be welded at the joint of the steel box, and the deviation is eliminated through the jacking of the jack, but at this time the upper and lower steel box structures have not formed a whole, and under the influence of extreme wind load, swinging easily occurs, which greatly increases the construction difficulty and construction risk, and the jacking of the jack may also cause the welding seam in the steel box to crack, affecting the structural integrity.

[0006] Environmental factors are also important factors in the hoisting process, such as sunshine, wind speed, environmental humidity, etc. The bridge is generally in the open river surface and has no shelter of other objects, so the wind speed is large. In some estuary, the wind speed is very variable, which poses a major challenge to the hoisting process. At the same time, the environmental sunshine will make the steel structure heat up, so that the structure deforms, which is not conducive to the positioning and assembly of the bridge tower. SUMMARY

[0007] In view of the problem that the positioning and assembly of the bridge tower in the prior art is prone to errors due to swinging, the present application provides a positioning and installation anchoring structure for a bridge inclined tower and a construction method.

[0008] The present application is achieved by the following technical solutions:

[0009] A positioning and installation anchoring structure for a bridge inclined tower, comprising an upper structure, a lower structure and a traction cable, the upper structure comprising a base, an upper clamp and an upper buckle, the base being fixed to the upper steel box wall plate, the upper buckle being rotatably connected with the base, and the upper clamp being arranged on the upper buckle; the lower structure comprising a lower buckle slot and a lower clamp, the housing of the lower buckle slot being connected with the lower steel box wall plate, the lower buckle slot being matched with the head of the upper buckle, one end of the traction cable being connected with the upper clamp by penetrating the upper clamp, and the other end of the traction cable being connected with an external traction device by penetrating the lower clamp.

[0010] Preferably, the upper clamp comprises a conical fixed clamp and a fixed disc, a guide hole is formed in the end of the upper clamp penetrating the traction cable, and the conical fixed clamp is arranged in the guide hole; the conical fixed clamp is clamped with the traction cable, the fixed disc is rotatably arranged on the side opposite to the head of the upper buckle, and the traction cable is connected with the outside through the fixed disc by the clamping of the conical fixed clamp.

[0011] Preferably, the side surface of the upper buckle in contact with the lower buckle slot is provided with an elastic clamping structure, the elastic clamping structure comprises a spring and a clamping head, an installation groove is formed on the outer wall of the upper buckle, the spring and the clamping head are coaxially arranged in the installation groove, one end of the spring is fixed to the bottom of the installation groove, and the other end of the clamping head is connected with the spring and abuts against the outlet of the installation groove; a clamping groove is formed on the side wall of the lower buckle slot, when locked, the clamping head and the clamping groove are coaxially arranged, and the clamping head is located in the clamping groove.

[0012] Preferably, the head of the upper buckle is in the shape of a multi-prism truncated cone.

[0013] Preferably, it further comprises a reinforcing connection structure, the reinforcing connection structure comprises a connecting plate, a reinforcing bolt and a nut, the outer side of the upper buckle and the upper buckle of the lower buckle slot are both provided with a connecting plate, when the clamping head and the clamping groove are completely matched, the connecting plate of the upper buckle and the connecting plate of the lower buckle slot are in contact, and the reinforcing bolt and the nut connect the two connecting plates in contact.

[0014] Preferably, an inclination angle is arranged at the inlet of the lower buckle slot.

[0015] Preferably, the lower clamp is arranged at the bottom of the lower clamping groove, and the structure of the lower clamp is the same as that of the upper clamp, and the lower clamp is symmetrically arranged with the upper clamp.

[0016] Preferably, the side of the lower clamping groove and the side of the upper clamping buckle in contact are provided with reinforcing bosses, and reinforcing bolts are connected to the reinforcing bosses.

[0017] Preferably, the shell of the lower clamping groove extends out of the lower steel box wall plate, and one end of the extending part is provided as a beveled structure.

[0018] A construction method of a positioning and installation anchoring structure for a bridge inclined tower, comprising the following steps:

[0019] S1, welding a lower clamping groove on the lower steel box wall plate of the bridge tower segment to be installed, and when welding, the side of the lower clamping groove with an inclination is attached to the lower steel box wall plate, and part of the lower clamping groove is suspended for the upper opening of the bridge tower or the component to be hoisted;

[0020] S2, preliminarily positioning the upper structure according to the position of the lower clamping groove combined with the weld size of the upper steel box and the lower steel box, and welding the upper structure on the upper steel box wall plate through the base;

[0021] S3, inserting a traction cable through the upper clamping buckle, and fixing the traction cable by using the upper clamp; the lower end of the traction cable is connected with an external traction device after passing through the lower clamping groove;

[0022] S4, when starting hoisting, the traction cable is retracted and extended by using the external traction device, and when the bridge tower segment to be installed reaches the specified height, the bridge tower segment to be installed is lowered by using the hoisting equipment, and the traction cable is retracted by using the external traction device, so that the upper steel box and the lower steel box are close to each other; when the upper clamping buckle is inserted into the lower clamping groove, temporary fixing is completed, and the lowering of the bridge tower segment to be installed is stopped;

[0023] S5, anchoring the upper clamping buckle and the lower clamping groove, and then welding at the interface of the upper steel box and the lower steel box;

[0024] S6, after welding is completed, the upper clamping buckle is inserted into the lower clamping groove, and the traction cable is tensioned by using the external traction device to add prestress to the weld;

[0025] S7, after the traction cable is tensioned and anchored, the tower inner concrete with the bridge tower segment to be installed is poured.

[0026] Compared with the prior art, the present application has the following beneficial effects:

[0027] This invention discloses a positioning and anchoring structure for bridge inclined towers. This rapid positioning device for steel inclined towers utilizes a winch mounted on the transverse diaphragm of a steel box to retract the traction cable, allowing the upper steel box to move closer together. When using this device, it must be installed on all four walls of the steel box. The attitude of the hoisted steel box can be controlled by tightening the traction cable on one side. Once the upper and lower steel box segments are connected, welding can be performed immediately without further fine-tuning. Furthermore, after initial fixing, the impact of wind on the structure itself can be reduced. The lower slot of the lower structure is welded to the lower steel box segment and exposed at a certain distance to ensure the flatness of the steel tower joint. The upper structure includes a base and a rotatable upper buckle. The base is welded to the upper steel box segment and connected to the upper buckle via bearings, thus enabling the rotation of the upper buckle. The head of the upper buckle is inclined at a certain angle to the connection between the lower slot and the upper buckle to facilitate the connection. Telescopic elastic snap-fit ​​structures are set on both sides of the upper buckle. When the head of the upper buckle is inserted into the lower slot, the snap-fit ​​head can automatically pop out in the slot of the lower buckle to serve as a temporary position. The quick positioning and anchoring device is completed by pulling steel strands inside the steel box. After both are fixed, bolts can be inserted and tightened on the connecting plates on both sides to fix the structure. The traction steel wire can also be tensioned to form a prestressed structure.

[0028] Furthermore, the angle of the lower slot ensures that the head of the upper buckle slides in smoothly.

[0029] Furthermore, the elastic snap-fit ​​structure is used to temporarily fix the upper buckle and the lower slot. When the snap head is in the slot, the temporary fixation is completed.

[0030] Furthermore, the connecting plate and bolt structure can achieve external anchoring of the upper buckle and the lower slot, which can further strengthen the fixation between the two. Attached Figure Description

[0031] Figure 1 This is a triangular diagram of a positioning, installation, and anchoring structure for a bridge inclined tower according to the present invention.

[0032] Figure 2 This is a side view of a positioning and installation anchoring structure for a bridge inclined tower according to the present invention.

[0033] Figure 3 This is a cross-sectional view of the initial state of a positioning and installation anchoring structure for a bridge inclined tower according to the present invention.

[0034] Figure 4 A schematic diagram showing the upper structure being pulled by the traction cable;

[0035] Figure 5 This is a schematic diagram of a temporary locking mechanism for positioning, installation, and anchoring of a bridge inclined tower according to the present invention.

[0036] Figure 6 A triangular diagram for bolt anchorage;

[0037] Figure 7 This is a side view of the bolt anchorage.

[0038] Figure 8 This is a schematic diagram of the anchorage after the tensioning of the traction cable is completed;

[0039] Figure 9 This is a side sectional view of the positioning and installation anchoring structure for bridge inclined towers of the present invention after anchoring.

[0040] Figure 10 This is a back section view of the positioning and installation anchoring structure for bridge inclined towers according to the present invention after anchoring.

[0041] Figure 11 This is a construction connection diagram of a positioning, installation, and anchoring structure for a bridge inclined tower according to the present invention.

[0042] In the diagram, 1. Lower steel box wall panel; 2. Upper steel box wall panel; 3. Traction cable; 4. Base; 5. Fixing plate; 6. Upper clamp; 7. Inner bearing ring; 8. Bearing roller; 9. Outer bearing ring; 10. Clip; 11. Spring; 12. Upper buckle; 13. Head; 14. Lower slot; 15. Reinforcing bolt; 16. Nut. Detailed Implementation

[0043] The present invention will be further described in detail below with reference to specific embodiments. These descriptions are for explanation purposes only and are not intended to limit the scope of the invention.

[0044] This invention discloses a positioning and anchoring structure for bridge inclined towers, referring to... Figure 1 , 2 It includes the superstructure, substructure, traction cable 3, and reinforcing connection structure.

[0045] The upper structure includes a base 4, an upper clamp 6, and an upper buckle 12. The base 4 is welded to the upper steel box wall panel 2. The upper buckle 12 is spaced from the upper steel box wall panel 2 by the thickness of the base 4. The upper buckle 12 is rotatably connected to the base 4 via a bearing. The upper clamp 6 is mounted on the upper buckle 12. In this embodiment, the base 4 is a square, welded to the upper steel box wall panel 2 at the bottom. The bearing includes an inner bearing ring 7, a bearing roller 8, and an outer bearing ring 9. A circular groove is opened at the center of the top, into which the bearing can be placed. The size of the groove is the same as that of the outer bearing ring 9, and its height is half that of the outer bearing ring 9. The head 13 of the upper buckle 12 is a multi-faceted frustum, consisting of a cuboid with a quadrangular frustum added to the short side of the cuboid. The corners of the quadrangular frustum are rounded.

[0046] Reference Figure 3The upper clamp 6 includes a conical fixing clamp and a fixing disc 5, and the upper clamp 6 is provided with a guide hole at one end of the extension of the traction cable 3, and the conical fixing clamp is arranged in the guide hole; the conical fixing clamp is clamped to the traction cable 3, and the fixing disc 5 is rotationally arranged on the side opposite to the clamping head 10 of the upper buckle 12, and the traction cable 3 is connected to the outside through the clamping of the conical fixing clamp and the penetration of the fixing disc 5.

[0047] The lower structure includes a lower clamping groove 14 and a lower clamp, the part of the shell of the lower clamping groove 14 is connected to the lower steel box wall plate 1, and the part not connected to the lower steel box wall plate 1 is provided with a bevel structure and a flat section, the bevel structure is convenient for the sliding of the upper steel box wall plate 2 in the hoisting process, and the flat section can ensure the flatness of the connection between the lower steel box wall plate 1 and the upper steel box wall plate 2. The head 13 of the upper buckle 12 cooperates with the lower clamping groove 15. In the embodiment, the shape of the lower clamping groove 14 is a cuboid, the lower clamping groove 14 is welded on the lower steel box wall plate 1, the length of the shell of the lower clamping groove 14 extending out of the lower steel box wall plate 1 is 1 / 3 of the length of the lower clamping groove 14, and the length of the bevel structure accounts for 1 / 2 of the length of the extension, and the bevel structure is helpful for the sliding of the upper steel box wall plate 2 in the hoisting process, and the remaining 1 / 2 is the flat section, which can ensure the flatness of the connection between the lower steel box wall plate 1 and the upper steel box wall plate 2.

[0048] Referring to Figure 4 , 5 The side of the upper buckle 12 in contact with the lower clamping groove 14 is provided with an elastic clamping structure, the elastic clamping structure includes a spring 11 and a clamping head 10, the outer wall of the upper buckle 12 is provided with a mounting groove, the mounting groove, the spring 11 and the clamping head 10 are coaxially arranged, one end of the spring 11 is fixed to the bottom of the mounting groove, and one end of the clamping head 10 is connected with the spring 11 and abuts at the outlet of the mounting groove; the side wall of the lower clamping groove is provided with a clamping groove, when locked, the clamping head 10 is coaxially arranged with the clamping groove, and the clamping head 10 is located in the clamping groove, and when coaxial, the cross-sectional area of the clamping head 10 is smaller than the cross-sectional area of the clamping groove.

[0049] The spring 11 plays a role in retracting and lifting the clamping head 10, when the head 13 of the upper buckle 12 is inserted into the lower clamping groove 14, the lower clamping groove 14 will compress the spring 11 under the extrusion of the two side walls thereof, and when reaching the clamping groove of the lower clamping groove 14 reserved for the clamping head 10, the clamping head 10 is ejected to extend into the clamping groove, realizing temporary fixing; the lower surface of the upper buckle 12 is a plane, and the upper surface is provided with a circular hole, the diameter of the circular hole is smaller than the inner diameter of the upper buckle 12 and slightly larger than the clamping head 10, so that the clamping head 10 can be freely extended and retracted, the clamping head 10 includes a cylindrical top cap and a disc, the disc is smaller than the inner diameter of the upper buckle 12 but larger than the circular hole on the upper surface of the upper buckle 12, and the cylindrical top cap of the clamping head 10 can extend out of the circular hole, but the disc of the clamping head 10 will be blocked.

[0050] The entrance of the lower clamping groove 14 is provided with an inclination angle. The inclination angle can ensure that the clamping head 10 is smoothly inserted.

[0051] The side of the lower clamping groove 14 in contact with the upper clamping buckle 12 is provided with a reinforcing boss, and a reinforcing bolt 15 is connected to the reinforcing boss. The reinforcing bolt 15 penetrates the reinforcing boss and is connected with a nut 16. The reinforcing bolt 15 can increase the fastening of the connection after the upper and lower structure connection is completed.

[0052] Referring to Figure 3 , one end of the traction cable 3 penetrates the upper clamp 6 and is connected to the outside, and the other end penetrates the lower clamp and is connected to the outside. The upper clamp 6 includes a conical fixed clamp and a fixed disc 5. The upper clamp 6 is provided with a guide hole at the end of the traction cable 3 extending out, and the conical fixed clamp is arranged in the guide hole. In this embodiment, the conical fixed clamp is located in the inverted conical guide hole on the upper clamping buckle 12. The conical fixed clamp is clamped and connected with the traction cable 3, and the fixed disc 5 is rotatably arranged on the side opposite to the clamping head 10 of the upper clamping buckle 12. The traction cable 3 penetrates the fixed disc 5 through the clamping of the conical fixed clamp and is connected to the outside.

[0053] The lower clamp is arranged at the bottom of the lower clamping groove 14, and the structure of the lower clamp is the same as that of the upper clamp 6, and the lower clamp and the upper clamp 6 are symmetrically arranged. The lower clamping groove 14 is also provided with a hole at the position of the traction cable 3 in the head 13 corresponding to the upper clamping buckle 12, and the traction cable 3 is guided from this position. A conical reserved groove is also arranged below the hole for later placement of the lower clamp.

[0054] Referring to Figure 6 , the traction cable 3 penetrates from the center of the body of the upper clamping buckle 12 and penetrates from the upper side of the upper clamping buckle 12, and is clamped by the upper clamp 6 in the conical part above the guide hole of the upper clamping buckle 12 where the traction cable 3 penetrates, and is fixed by the fixed disc 5 to prevent the traction cable 3 from slipping out during traction. In this embodiment, the traction cable 3 is made of steel wire, and after the traction is completed and the welding is completed, the steel wire can be tensioned to apply prestress at the upper and lower steel box segments. The upper clamping buckle 12 and the lower clamping groove 14 are continuously close to each other under the traction contraction of the traction cable 3, and the head 13 of the upper clamping buckle 12 is inserted into the lower clamping groove 14.

[0055] Referring to Figure 7 , 8 , 9, the reinforcing connection structure includes a reinforcing bolt 15 and a nut 16, and the outer side of the upper clamping buckle 12 is provided with a connecting plate. When the clamping head 10 is completely matched with the clamping groove, the connecting plate of the upper clamping buckle 12 and the reinforcing boss of the lower clamping groove 14 are in contact, and the reinforcing bolt 15 and the nut 16 connect the contacted connecting plate and reinforcing boss. In this embodiment, the upper structure can be directly processed and installed in the factory. After the clamping head 10, the spring 11 and the upper clamping buckle 12 are assembled, they can be directly inserted into the reserved hole to realize the rapid installation of the upper structure.

[0056] After the lower steel box wall plate 1 and the upper steel box wall plate 2 are fixedly connected, reinforcing bolts 15 and nuts 16 are arranged in the reinforcing bosses of the upper buckle 12 and the lower buckle 14 to fix the two, and a reserved gap of 1-1.5 cm is left between the lower steel box wall plate 1 and the upper steel box wall plate 2 to realize the welding fixation of the lower steel box wall plate 1 and the upper steel box wall plate 2. After the welding is completed, the traction cable 3 can be tensioned, and the lower clamp is put into the reserved conical notch of the lower buckle 14, and the anchoring of the traction cable 3 is completed when the traction cable 3 is retracted, and the traction cable 3 can also serve as prestress.

[0057] Referring to Figure 10 , a circular groove is arranged between the fixing disc 5 and the top surface of the base 4, the size of the circular groove is consistent with the outer ring 9 of the bearing, the height is half of the outer ring 9 of the bearing, and a cylinder is protruded from the center of the circular groove, the width is consistent with the inner diameter of the inner ring 7 of the bearing, and the height is consistent with the outer ring 9 of the bearing. The upper buckle 12, the base 4 and the bearing are connected with each other, so that the upper buckle 12 is connected to the upper steel box wall plate 2 and can rotate.

[0058] The application also discloses a construction method of the positioning, installation and anchoring structure for the bridge inclined tower. Figure 11 As shown in the figure, one set of device is arranged on each of the four surfaces of the steel box of the bridge tower, and the adjustment of the aerial posture is realized by retracting or extending one of the devices according to the aerial posture of the segment of the steel box of the bridge tower. The construction of the single positioning, installation and anchoring structure comprises the following steps:

[0059] S1, welding the lower buckle 14 on the lower steel box wall plate 1 of the segment of the bridge tower to be installed, and when welding, the side with the inclination angle of the lower buckle 14 is attached to the lower steel box wall plate, and part of the lower buckle 14 is left to be suspended for being connected to the upper opening of the bridge tower or the component to be hoisted; in the embodiment, the lower buckle 14 is welded on the lower steel box wall plate 1 and extends by 1 / 3 of the length;

[0060] S2, preliminarily positioning the upper structure according to the position of the lower buckle 14 and the size of the welding seam between the upper steel box and the lower steel box, and welding the upper structure on the upper steel box wall plate through the base 4;

[0061] S3, inserting the traction cable 3 through the upper buckle 12 and fixing the traction cable 3 by using the upper clamp 6; the lower end of the traction cable 3 is connected to the external traction device after passing through the lower buckle 14; the traction cable 3 is inserted from the center of the head 13 of the upper buckle 12, passes through the upper side of the head 13 of the upper buckle 12, and is clamped by the upper clamp 6 on the conical inner side of the guide hole of the head 13 of the upper buckle 12, and the traction cable 3 is fixed firmly on the upper side of the head 13 of the upper buckle 12 by the fixing disc 5;

[0062] S4, when starting hoisting, the external traction device is used to wind and unwind the traction cable 3, when the to-be-installed bridge tower segment reaches the specified height, the hoisting equipment is used to lower the to-be-installed bridge tower segment, and the external traction device is used to retract the traction cable 3, so as to realize the approach of the upper steel box and the lower steel box; when the upper buckle 12 is inserted into the lower slot 14, the temporary fixing is completed, and the lowering of the to-be-installed bridge tower segment is stopped; when the temporary fixing is performed, the connecting plate of the clamping head 10 is connected with the connecting plate of the upper plane of the lower slot 14 to form a support, and the clamping head 10 is in the slot of the lower slot 14 under the action of the spring 11, at this time, the upper buckle 12 also reaches the hole reserved in the lower slot 14, and the temporary fixing between the upper and lower bridge tower steel boxes is completed.

[0063] S5, the upper buckle 12 and the lower slot 14 are anchored, and then welding is performed at the interface of the upper steel box and the lower steel box;

[0064] S6, after the welding is completed, the upper buckle 12 is inserted into the lower slot 14, and the external traction device is used to tension the traction cable 3 to add prestress to the weld;

[0065] S7, after the traction cable 3 is tensioned and anchored, the tower concrete with the to-be-installed bridge tower segment is poured.

[0066] The above only describes the preferred embodiments of the present application, and does not use any restriction on the technical solutions of the present application, and those skilled in the art should understand that, without departing from the spirit and principles of the present application, the technical solutions can also be modified and replaced in several simple ways, and these modifications and replacements also belong to the protection scope covered by the claims.

Claims

1. A positioning installation anchoring construction for a bridge diagonal tower, characterized by, The bridge tower segment lifting device comprises an upper structure, a lower structure and a traction cable (3), the upper structure comprises a base (4), an upper clamp (6) and an upper buckle (12), the base (4) is fixed on the upper steel box wall plate (2), the upper buckle (12) is rotationally connected with the base (4), and the upper clamp (6) is arranged on the upper buckle (12); the lower structure comprises a lower buckle slot (14) and a lower clamp, the shell of the lower buckle slot (14) is connected with the lower steel box wall plate (1), the lower buckle slot (14) is matched with the head (13) of the upper buckle (12), one end of the traction cable (3) is connected with the upper clamp (6) by penetrating through the upper clamp (6), and the other end of the traction cable (3) is connected with an external traction device by penetrating through the lower clamp; The upper clamp (6) comprises a conical fixed clamp and a fixed disc (5), the upper clamp (6) is provided with a guide hole at one end of the upper clamp (6) extending out of the traction cable (3), and the conical fixed clamp is arranged in the guide hole; the conical fixed clamp is clamped with the traction cable (3), the fixed disc (5) is rotationally arranged on the side, opposite to the clamping head (10) of the upper buckle (12), and the traction cable (3) is connected with the outside through the fixed disc (5) by clamping of the conical fixed clamp; The side, in contact with the lower buckle slot (14), of the upper buckle (12) is provided with an elastic clamping structure, the elastic clamping structure comprises a spring (11) and a clamping head (10), the outer wall of the upper buckle (12) is provided with a mounting groove, the mounting groove, the spring (11) and the clamping head (10) are coaxially arranged, one end of the spring (11) is fixed to the bottom of the mounting groove, and one end of the clamping head (10) is connected with the spring (11) and abuts at the outlet of the mounting groove; the side wall of the lower buckle slot (14) is provided with a clamping groove, when locked, the clamping head (10) is coaxially arranged with the clamping groove, and the clamping head (10) is located in the clamping groove.

2. The positioning and installation anchoring configuration for an inclined tower of a bridge, according to claim 1, characterized in that, The head (13) of the upper buckle (12) is in the shape of a multi-prism frustum.

3. The positioning and installation anchoring configuration for an inclined tower of a bridge, according to claim 1, characterized in that, The reinforcing connection structure comprises a connecting plate, a reinforcing bolt (15) and a nut (16), the outer side of the upper buckle (12) and the upper buckle slot (14) are both provided with the connecting plate, when the clamping head (10) is completely matched with the clamping groove, the connecting plate of the upper buckle (12) and the connecting plate of the lower buckle slot (14) are in contact, and the reinforcing bolt (15) and the nut (16) connect the two connecting plates in contact.

4. The positioning and installation anchoring configuration for an inclined tower of a bridge, according to claim 1, characterized in that, The inlet of the lower buckle slot (14) is provided with an inclination.

5. The positioning and installation anchoring configuration for an inclined tower of a bridge, according to claim 1, characterized in that, The lower clamp is arranged at the bottom of the lower buckle slot (14), the structure of the lower clamp is the same as that of the upper clamp (6), and the lower clamp is symmetrically arranged with the upper clamp (6).

6. The positioning and installation anchoring configuration for an inclined tower of a bridge according to claim 1, characterized in that, The side, in contact with the upper buckle (12), of the lower buckle slot (14) is provided with a reinforcing boss, and the reinforcing bolt (15) is connected to the reinforcing boss.

7. The positioning and installation anchoring configuration for an inclined tower of a bridge, according to claim 1, characterized in that, The shell of the lower buckle slot (14) extends out of the lower steel box wall plate (1), and one end of the extended part is provided with an inclined surface structure.

8. A method of construction of a positioning and anchoring structure for a bridge pylon according to any one of claims 1 to 7, characterized in that, The method comprises the following steps: S1, welding the lower buckle slot (14) on the lower steel box wall plate (1) of the bridge tower segment to be installed, when welding, the side, with the inclination, of the lower buckle slot (14) is attached to the lower steel box wall plate, and part of the lower buckle slot (14) is suspended for being matched with the upper opening of the bridge tower or the component to be hoisted; S2, the upper structure is preliminarily positioned according to the position of the lower clamping groove (14) and the weld size of the upper steel box and the lower steel box, and the upper structure is welded to the upper steel box wall plate through the base (4); S3, the traction cable (3) is inserted through the upper clamping buckle (12), and the traction cable (3) is fixed by using the upper clamp (6); the lower end of the traction cable (3) is connected with the external traction device after passing through the lower clamping groove (14); S4, when hoisting starts, the traction cable (3) is reeled in and out by using the external traction device, when the to-be-installed bridge tower segment reaches the specified height, the to-be-installed bridge tower segment is lowered by using the hoisting equipment, and the traction cable (3) is retracted by using the external traction device, so that the upper steel box and the lower steel box are close to each other; when the upper clamping buckle (12) is inserted into the lower clamping groove (14), temporary fixing is completed, and the to-be-installed bridge tower segment is stopped from being lowered; S5, the upper clamping buckle (12) and the lower clamping groove (14) are anchored, and then welding is performed at the interface of the upper steel box and the lower steel box; S6, after welding is completed, the upper clamping buckle (12) is inserted into the lower clamping groove (14), and the traction cable (3) is tensioned by using the external traction device to add prestress to the weld; S7, after the traction cable (3) is tensioned and anchored, the tower inner concrete with the to-be-installed bridge tower segment is poured.

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