A segment beam rapid alignment automatic guiding device and its assembly

Abstract

The present invention provides an automatic guide device for rapid alignment of segmental beams and its assembly. The guide device is a guide nut mounted on an already erected beam or a beam to be erected. The guide nut is used to actively guide the beam to be erected into proximity and alignment with the already erected beam to achieve splicing of the two. The guide device assembly includes a guide nut and a guide seat that cooperates with the guide nut. One of the guide nut and the guide seat is mounted on the already erected beam, and the other is correspondingly mounted on the beam to be erected. The guide nut is used to actively connect with the guide seat and guide the guide seat to dock with the guide nut to achieve alignment and splicing of the beam to be erected with the already erected beam. This device and assembly eliminate the need for on-site workers, ensuring operational safety and high alignment efficiency.

Description

Technical Field

[0001] The invention belongs to the field of bridge erection and installation, and in particular relates to a segment beam rapid alignment automatic guiding device and an assembly thereof. Background Art

[0002] In the field of bridge erection, whether it is steel truss segmental beams for both road and rail or steel box beams and concrete segmental beams for highway bridges, the current installation is done by installation workers using hand hoists, crowbars, stacking plates and other construction tools in conjunction with lifting equipment to perform repeated adjustments to complete the assembly of segmental beams.

[0003] The current method of aligning and assembling segmental beams has the following shortcomings: 1. The connection part between the beam to be installed and the installed beam is a dynamic and static junction, and the edge protection is difficult to set up. However, it is a workplace where on-site construction personnel gather. The edge protection of the segmental beam alignment is generally lacking, and the construction safety risk is high; 2. The alignment assembly using construction tools such as hand winches, crowbars, and stacking plates in conjunction with lifting equipment is inefficient, time-consuming, and greatly affected by environmental factors; 3. The alignment assembly of steel beams needs to be carried out at a specific temperature, and is generally carried out manually at night, which further reduces the installation efficiency.

[0004] Currently, there is no guiding device that can automatically guide the beams to be erected to align with the erected beams to overcome the above-mentioned safety and efficiency issues. In particular, when the beams to be erected and the erected beams are misaligned, the splicing efficiency of the beams to be erected and the erected beams is even lower. Therefore, there is an urgent need for an automatic guiding device for rapid alignment of segmental beams to solve the above problems. Summary of the Invention

[0005] The purpose of the present invention is to provide an automatic guiding device for rapid alignment of segment beams and its assembly, which does not require workers to operate on site, ensures operational safety, and has high alignment efficiency.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an automatic guiding device for rapid alignment of segmental beams, characterized in that: the guiding device includes a guiding nut, the guiding nut is used to actively guide the beam to be erected and the erected beam to approach and align so as to realize the splicing of the beam to be erected and the erected beam, the guiding nut includes a guiding nut, an active guiding mechanism arranged on the guiding nut and a driving device, the guiding nut is provided with a first guiding surface for guiding the alignment of the beam to be erected and the erected beam, the driving device is used to control the active guiding mechanism to move axially along the guiding nut, and the active guiding mechanism is used to actively connect with the erected beam or the beam to be erected.

[0007] Furthermore, the first guide surface is trumpet-shaped and is centrally symmetrical along the axis of the guide base.

[0008] Furthermore, the active guiding mechanism includes a guide shaft coaxially arranged with the guide base and a third centering mechanism, one end of the guide shaft is hinged to a driving device, the driving device is used to control the guide shaft to be connected to the erected beam or the beam to be erected, and the third centering mechanism is used to control the guide shaft to be positioned on the axis of the guide base in the absence of external force.

[0009] Furthermore, one end of the guide shaft is provided with a tension member for connecting to the beam to be erected or the erected beam.

[0010] Furthermore, the guide shaft is connected to the driving device through a first guide box, a second hemisphere is provided at one end of the guide shaft, the second hemisphere is hinged in the first guide box, a second support portion is provided in the first guide box for limiting the axial movement of the second hemisphere along the guide base, one end of the second support portion is connected to the spherical surface of the second hemisphere, and the second support portion is coaxially arranged with the guide shaft.

[0011] Furthermore, the third centering mechanism includes a spring seat arranged on the first guide box, a third spring adjustment device arranged on the spring seat, and a third spring assembly perpendicular to the guide shaft, one end of the third spring assembly is connected to the third spring adjustment device, and the other end is abutted against the guide shaft.

[0012] Furthermore, the driving device includes a first cylinder coaxially arranged with the guide shaft, a cylinder seat is provided at one end of the guide base, the first cylinder is arranged in the cylinder seat, the tail of the first cylinder is hinged to the cylinder seat, and a second centering mechanism is provided between the first cylinder and the cylinder seat, and the second centering mechanism is used to control the first cylinder to be positioned on the axis of the guide base in the absence of external force.

[0013] Furthermore, the second centering mechanism includes a horizontally arranged second spring assembly, a second spring adjusting device fixed on the cylinder seat, and a floating support arranged below the first cylinder, one end of the second spring assembly is connected to the second spring adjusting device, and the other end rests on the first cylinder, the floating support is vertically arranged, one end of the floating support is fixed on the cylinder seat, and the other end is supported on the first cylinder.

[0014] The present invention also provides an automatic guiding device assembly for rapid alignment of segmental beams, characterized in that: the guiding device assembly includes the guiding device described in any one of claims 1 to 3, and also includes a guide seat that cooperates with the guide base. Among the guide base and the guide seat, one is set on the erected beam, and the other is correspondingly set on the beam to be erected. The guide base is used to actively connect with the guide seat and guide the guide seat to dock with the guide base to achieve alignment and splicing of the beam to be erected and the erected beam.

[0015] Furthermore, the guide seat includes a guide seat and a passive guide mechanism provided on the guide seat, the guide seat is provided with a second guide surface matched with the first guide surface, and the passive guide mechanism is used to connect with the active guide mechanism.

[0016] Furthermore, the guide seat is a circular cylindrical structure, and the diameter of the outer wall of the guide seat close to one end of the guide female seat gradually shrinks outward to form a second guide surface.

[0017] Furthermore, the passive guiding mechanism includes a guide tube coaxially arranged in the guide seat, and the guide tube is used to confine the guide shaft extending into the guide tube within the guide tube to achieve the connection between the guide female seat and the guide seat.

[0018] Furthermore, a locking mechanism is provided in the guide tube, and the locking mechanism is used to fix the tension member extending into the guide tube.

[0019] Furthermore, a hole is provided on the tube wall of the guide tube, and the locking mechanism includes an electromagnet arranged on the outer wall of the guide tube opening and a block arranged in the guide tube. A shear piece is elastically connected to the electromagnet, and the shear piece passes through the opening of the guide tube and abuts against the block. The electromagnet is used to suck the shear piece out of the guide tube, and the side of the block away from the guide base is connected to a fixed plate fixed in the guide tube through a first spring, and the shear piece is used to clamp the tension piece after the tension piece pushes open the block.

[0020] Furthermore, the guide tube has a bell mouth at one end close to the guide base, and the tension member has a variable diameter section at one end close to the guide base that matches the bell mouth of the guide tube.

[0021] Furthermore, the guide tube is hinged to the guide seat at one end away from the guide base, and a first centering mechanism is provided between the guide tube and the guide seat, and the first centering mechanism is used to control the guide tube to be positioned on the axis of the guide seat in the absence of external force.

[0022] Furthermore, the guide tube is connected to the guide seat through a second guide box, a first hemisphere is provided at one end of the guide tube, the first hemisphere is hinged in the second guide box, a first support portion is provided in the second guide box for limiting the axial movement of the first hemisphere along the guide seat, one end of the first support portion is connected to the spherical surface of the first hemisphere, and the first support portion is coaxially arranged with the guide tube.

[0023] Furthermore, the first centering mechanism includes a first spring assembly perpendicular to the guide tube and a first spring adjustment device arranged on the inner wall of the guide seat, one end of the first spring assembly is connected to the first spring adjustment device, and the other end abuts against the guide tube.

[0024] Beneficial effects of the present invention:

[0025] 1. The guide shaft of the automatic guiding device of the present invention is hinged to the piston rod of the first oil cylinder. When the beam to be erected is docked with the erected beam, it can adaptively rotate according to the deviation between the beam to be erected and the erected beam, and reset under the action of the third centering mechanism. It has a certain tolerance capability and can solve the problem of misalignment and difficulty in docking between the beam to be erected and the erected beam.

[0026] 2. The tail of the first cylinder of the automatic guiding device of the present invention is hinged to the cylinder seat, and the head of the cylinder is supported by the second centering mechanism. The cylinder can adaptively swing to a certain angle to ensure that the cylinder is subjected to force in the axial direction, which can effectively reduce the risk of cylinder deformation and oil leakage.

[0027] 3. The present invention connects the guide nut and the guide seat through an active guiding mechanism and a passive guiding mechanism, and realizes automatic and accurate alignment of the beam to be erected and the erected beam under the joint action of the oil cylinder and the bridge crane. No manual on-site operation is required, which effectively reduces the safety risks of on-site construction and improves the working environment of on-site workers.

[0028] 4. The active guiding mechanism of the present invention can be actively connected with the passive guiding mechanism under the action of the first oil cylinder and the bridge crane, and in the process of the first guiding surface and the second guiding surface gradually and completely docking, the beam to be erected and the erected beam are gradually aligned. After the guide seat and the guide mother seat are completely docked, the beam to be erected has entered the range where it can be installed and spliced ​​with the erected beam. The precise alignment of the beam to be erected can be completed in one time, avoiding repeated adjustments, with high construction efficiency and strong applicability, and little interference from strong winds, rain, snow and other environments.

[0029] 5. The guide shaft of the active guiding mechanism and the guide tube of the passive guiding mechanism of the present invention can both rotate around the ball seat, and the guide tube is provided with a bell mouth, and the guide shaft is provided with a tension member cooperating with the bell mouth. When the beam to be erected is misaligned, the guide shaft can still be smoothly extended into the guide tube through the bell mouth of the guide tube to complete the splicing of the beam to be erected. The guiding device has a strong tolerance capability and low requirements for the initial positioning accuracy of the segmental beam, which reduces the difficulty of splicing the beam to be erected and improves construction efficiency.

[0030] 6. The present invention utilizes the first centering mechanism and the third centering mechanism to ensure that the guide tube and the guide shaft are reset without external force, and enables the guide tube and the guide shaft to adaptively adjust their angles under external force, with a certain tolerance capability. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the guiding device of the present invention;

[0032] Figure 2 This is a schematic diagram of the guide device assembly of the present invention in use;

[0033] Figure 3It is a structural schematic diagram of the guide seat of the present invention;

[0034] Figure 4 This is a schematic diagram of the state in which the guide female seat and the guide seat of the present invention are connected;

[0035] Figure 5 This is a schematic diagram of the state when the guide female seat and the guide seat of the present invention are connected;

[0036] Figure 6 This is a schematic diagram of the connection state of the guide base and the guide base of the present invention when the beam to be erected and the erected beam are staggered;

[0037] Figure 7 It is a layout diagram of the guide female seat and the guide seat on the beam section of the present invention;

[0038] Reference numerals: guide device assembly 200, guide base 201, guide base 202, first outer cylinder 203, first inner cylinder 204, second guide surface 205, first ball seat 206, end cover 207, first support portion 208, guide tube 209, first hemisphere 210, first spring assembly 211, first spring adjustment device 212, fixing plate 213, stopper 214, first spring 215, electromagnet 216, shear member 217, second spring 218, second outer cylinder Cylinder 219, second inner cylinder 220, first guide surface 221, cylinder seat 222, ear plate 223, first cylinder 224, second spring assembly 225, second spring adjusting device 226, second cylinder 227, end plate 228, second support part 229, second ball seat 230, spring seat 231, third spring assembly 232, third spring adjusting device 233, guide shaft 234, second hemisphere 235, tension member 236, guide female seat 237, guide seat 238. DETAILED DESCRIPTION

[0039] The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0040] like Figure 2 The figure shows the usage status of the guide device assembly. The guide device assembly 200 includes a guide base 201 and a guide base 202 that cooperates with the guide base 201. One of the guide base 201 and the guide base 202 is set on the erected beam, and the other is correspondingly set on the beam to be erected. The guide base 201 is used to actively connect with the guide base 202 and guide the guide base 202 to dock with the guide base 201 to achieve alignment and splicing of the beam to be erected and the erected beam.

[0041] like Figure 7As shown, in this embodiment, the guiding device assembly 200 is provided with two groups, which are respectively located near the two sides of the segment beam, the guide mother seat 201 is set on the erected beam, and the guide seat 202 is set on the beam to be erected. The guide mother seat 201 is arranged at one end of the erected beam close to the beam to be erected, and the guide seat 202 is arranged at one end of the beam to be erected close to the erected beam, and the guide mother seat 201 corresponds to the guide seat 202 one by one.

[0042] like Figure 1 As shown, the guide base 201 includes a guide base 237, an active guiding mechanism arranged on the guide base 237, and a driving device, wherein the driving device is a first oil cylinder 224, and the guide base 237 is provided with a first guiding surface 221 facing the guide base 202, and the first oil cylinder 224 is used to control the active guiding mechanism to move along the axis of the guide base 237.

[0043] The guide seat 202 includes a guide seat 238 and a passive guiding mechanism arranged on the guide seat 238. The guide seat 238 is provided with a second guiding surface 205 facing the guide base 201. The second guiding surface 205 cooperates with the first guiding surface 221 so that the beam to be erected is aligned with the erected beam. The passive guiding mechanism is used to connect with the active guiding mechanism.

[0044] The guide female seat 237 and the guide seat 238 are both circular cylindrical structures.

[0045] like Figure 3 As shown, the guide seat 238 includes a first outer cylinder 203 and a first inner cylinder 204. The first outer cylinder 203 is fixed to the beam to be erected via a bracket. The outer wall of the first outer cylinder 203, near the end of the guide base 201, tapers outward to form a second guide surface 205. The first inner cylinder 204 is coaxially arranged within the first outer cylinder 203. Both ends of the first inner cylinder 204 are open. The first inner cylinder 204 and the first outer cylinder 203 are connected by welding. The diameter of the first inner cylinder 204 is equal to the diameter of the end of the first outer cylinder 203 near the guide base 201. A reinforcement ring is provided between the first outer cylinder 203 and the first inner cylinder 204 to increase the strength and rigidity of the guide seat 202.

[0046] The first outer cylinder 203 is open at both ends, and the passive guiding mechanism is arranged in the first inner cylinder 204. The passive guiding mechanism includes a second guide box arranged at the end of the first outer cylinder 203 away from the guide base 201, and a guide tube 209 coaxial with the first inner cylinder 204. A first hemisphere 210 is arranged at one end of the guide tube 209. The first hemisphere 210 is hinged in the second guide box. The end of the guide tube 209 close to the guide base 201 is trumpet-shaped and extends out of the guide seat 202. A first support part 208 for limiting the axial movement of the first hemisphere 210 along the guide seat 238 is arranged in the second guide box. One end of the first support part 208 is connected to the spherical surface of the first hemisphere 210, and the first support part 208 is coaxially arranged with the guide tube 209.

[0047] The second guide box includes a first ball seat 206, which has an inner spherical surface connected to the spherical surface of the first hemisphere 210. The outer edge of the first ball seat 206 is fixed to the outer side of the opening of the first outer cylinder 203 away from the guide female seat 201. The outer side of the first ball seat 206 is provided with an end cap 207, and the inner side of the end cap 207 is provided with a first support portion 208 connected to the spherical surface of the center of the first hemisphere 210. The first support portion 208 supports the center of the first hemisphere 210 to limit the axial movement of the first hemisphere 210 along the guide seat 238. The first hemisphere 210 can rotate around the end of the first support portion 208. In this embodiment, the first support portion 208 is a screw with a ball head at one end.

[0048] A first centering mechanism is provided between the guide tube 209 and the first inner cylinder 204. The first centering mechanism is used to control the guide tube 209 to be positioned on the axis of the guide seat 238 in the absence of external force. The first centering mechanism includes a plurality of first spring assemblies 211 perpendicular to the guide tube 209. A first spring adjustment device 212 is provided at one end of the first spring assembly 211 away from the guide tube 209. The first spring adjustment device 212 is provided on the inner wall of the guide seat 238, that is, on the cylinder wall of the first inner cylinder 204. The first spring assembly 211 is used to ensure that the guide tube 209 can rotate around the first ball seat 206 under the action of external force, and automatically returns to the middle position, that is, returns to the axis of the guide seat 238 when the external force is withdrawn. The first spring adjustment device 212 can adjust the force of the first spring assembly 211 on the guide tube 209, so that the guide tube 209 is positioned on the axis of the guide seat 238 in the absence of external force. In this embodiment, the first spring assembly 211 is connected to the middle of the guide tube 209. Four first spring assemblies 211 are provided, two of which are symmetrically arranged on both sides of the outer wall of the guide tube 209 in the horizontal direction, and the other two are symmetrically arranged on both sides of the outer wall of the guide tube 209 in the vertical direction.

[0049] A locking mechanism is provided in the guide tube 209 , and the locking mechanism is used to lock the tension member 236 extending into the guide tube 209 .

[0050] The guide tube 209 has a hole on its wall, and the hole of the guide tube 209 is located in the guide seat 202 and close to the bell mouth of the guide tube 209. The locking mechanism includes an electromagnet 216 arranged on the outer wall of the hole of the guide tube 209 and a stopper 214 arranged in the guide tube 209. The diameter of the stopper 214 is smaller than the inner diameter of the guide tube 209. The stopper 214 is connected to a fixing plate 213 through a first spring 215. The fixing plate 213 is perpendicular to the axis of the guide tube 209. The fixing plate 213 is fixed at a position close to the first hemisphere 210. The stopper 214 is fixed on the first spring 215. 5 is located at the opening of the guide tube 209 under the action of the electromagnet 216; the shear member 217 is connected to the electromagnet 216 through the second spring 218, and the shear member 217 passes through the opening of the guide tube 209 and abuts against the stopper 214 under the action of the second spring 218. When the active guiding mechanism extends into the guide tube 209 and pushes the stopper 214, the shear member 217 will extend into the guide tube 209 under the action of the second spring 218 and restrict part of the structure of the active guiding mechanism within the guide tube 209. If the electromagnet 216 is turned on, the electromagnet 216 will suck the shear member 217 out of the guide tube 209, and the active guiding mechanism can be retracted at this time.

[0051] like Figure 1 As shown, the guide female seat 237 includes a second outer cylinder 219 and a second inner cylinder 220, the second outer cylinder 219 is fixed to the erected beam by a bracket, the second outer cylinder 219 is open at both ends, the second inner cylinder 220 is open at both ends, the second outer cylinder 219 and the second inner cylinder 220 are connected by welding, the diameter of the second inner cylinder 220 close to one end of the guide seat 202 gradually expands to form a trumpet shape, the inner wall of the second inner cylinder 220 with a gradually expanded diameter is a first guide surface 221, the first guide surface 221 and the second guide surface 205 are both centrally symmetrical structures, the first guide surface 221 and the second guide surface 205 are centrally symmetrical structures, The guide surface 205 can fit perfectly. After the active guide mechanism is connected to the passive guide mechanism, under the joint action of the first oil cylinder 224 and the bridge crane, the guide seat 238 gradually approaches the guide base 237. Under the guidance of the first guide surface 221 and the second guide surface 205, the guide seat 238 and the guide base 237 are gradually aligned. When the first guide surface 221 and the second guide surface 205 are completely fitted, the guide seat 238 and the guide base 237 are coaxial, and the guide seat 238 and the guide base 237 are completely docked. At this time, the beam to be erected and the beam that has been erected are aligned, and the beam to be erected has entered the range where it can be installed and spliced ​​with the beam that has been erected.

[0052] A cylinder seat 222 is provided at one end of the second outer cylinder 219 away from the guide nut 237. The cylinder seat 222 is cylindrical. One end of the cylinder seat 222 is fixed on the guide nut 201 and is connected to the second inner cylinder 220. An ear plate 223 is vertically provided at one end of the cylinder seat 222 away from the guide nut 237. The ear plate 223 is perpendicular to the end of the cylinder seat 222. A hole is opened on the ear plate 223, and a joint bearing is provided in the hole of the ear plate 223. The first cylinder 224 is arranged in the cylinder seat 222. The tail of the first cylinder 224 is supported on the joint bearing through a pin shaft, so that the first cylinder 224 can rotate with the pin shaft as the rotation axis.

[0053] A second centering mechanism is disposed between the first cylinder 224 and the cylinder base 222, near the head of the first cylinder 224. The second centering mechanism includes a plurality of second spring assemblies 225 perpendicular to the first cylinder 224 and a floating support vertically disposed between the first cylinder 224 and the cylinder base 222. One end of the second spring assembly 225 abuts the first cylinder 224, and the other end is provided with a second spring adjustment device 226 fixed to the inner wall of the cylinder base 222. The second spring assembly 225 is used to ensure that the first cylinder 224 is in a centered position in the absence of external forces. In this embodiment, two second spring assemblies 225 are provided, symmetrically arranged on either side of the horizontal outer wall of the first cylinder 224, and abut against the outer wall of the first cylinder 224 near the head.

[0054] The floating support is a second oil cylinder 227, which is located at the front end below the first oil cylinder 224. The end of the piston rod of the second oil cylinder 227 abuts against the outer wall of the first oil cylinder 224 near the head, thereby supporting the first oil cylinder 224 upward. Under the action of the spherical bearing and the second oil cylinder 227, the first oil cylinder 224 can adaptively swing to a certain angle, ensuring that the first oil cylinder 224 is subjected to force in the axial direction, avoiding the impact of lateral forces on the piston rod and the seal of the first oil cylinder 224, and preventing deformation of the first oil cylinder 224.

[0055] The active guiding mechanism includes a guide shaft 234, which is connected to the first oil cylinder 224 through a first guide box. A second hemisphere 235 is provided at one end of the guide shaft 234, and the second hemisphere 235 is hinged in the first guide box. A second support portion 229 is provided in the first guide box for limiting the axial movement of the second hemisphere 235 along the guide base 237. One end of the second support portion 229 is connected to the spherical surface of the second hemisphere 235, and the second support portion 229 is coaxially arranged with the guide shaft 234.

[0056] The first guide box includes an end plate 228 connected to the end of the piston rod of the first oil cylinder 224, and a second ball seat 230 is provided on the end plate 228. The second ball seat 230 is provided with an inner spherical surface connected to the spherical surface of the second hemisphere 235. The second hemisphere 235 is hinged in the second ball seat 230, and one end of the second support part 229 is fixed on the end plate 228, and the other end rests on the center of the second hemisphere 235 and is connected to the spherical surface of the second hemisphere 235. The second hemisphere 235 can rotate around the end of the second support part 229.

[0057] The active guiding mechanism also includes a third centering mechanism, which is used to control the guide shaft 234 to be positioned on the axis of the guide female seat 237 in the absence of external force. The third centering mechanism includes a spring seat 231 fixed on the second ball seat 230, a third spring adjustment device 233 arranged on the spring seat 231, and a third spring assembly 232 perpendicular to the guide shaft 234. One end of the third spring assembly 232 is connected to the third spring adjustment device 233, and the other end is in contact with the guide shaft 234. The third spring adjustment device 233 is used to adjust the elastic force of the third spring assembly 232.

[0058] The diameter of the guide shaft 234 is smaller than the inner diameter of the guide tube 209. A tension member 236 is provided at the end of the guide shaft 234 away from the second ball seat 230. The tension member 236 is integrally formed with the guide shaft 234. The diameter of the tension member 236 is larger than the diameter of the guide shaft 234 but slightly smaller than the inner diameter of the guide tube 209. The end of the tension member 236 near the guide tube 209 is provided with a variable diameter section that mates with the bell mouth of the guide tube 209. The variable diameter section gradually decreases in diameter from the first oil cylinder 224 to the guide tube 209. When the erected beam and the beam to be erected are offset, the variable diameter section of the tension member 236 facilitates insertion into the guide tube 209 through the bell mouth of the guide tube 209. The diameter of the stopper 214 is slightly larger than the inner diameter of the tension member 236, preventing the shear member 217 from snagging the tension member 236 and allowing the tension member 236 to smoothly push the stopper 214.

[0059] Under the thrust of the first oil cylinder 224, the guide shaft 234 extends out of the second inner cylinder 220 and enters the guide tube 209 through the bell mouth of the guide tube 209. After the tension member 236 enters the guide tube 209, it pushes the stopper 214. The shear member 217 extends into the guide tube 209 and abuts against the surface of the tension member 236 on the side near the guide shaft 234. The shear member 217 clamps the tension member 236 in the guide tube 209, so that when the piston rod of the first oil cylinder 224 retracts, it drives the guide seat 202 to move toward the guide base 201, thereby achieving alignment of the beam to be erected with the erected beam. In this embodiment, the tolerance of the guide device assembly 200 is ±90mm, that is, the misalignment distance between the erected beam and the beam to be erected is within the capture and guidance range of the guide device assembly 200 within 90mm. Automatic guidance and docking can be performed by the device without manual on-site operation.

[0060] The method of use of the present invention: Figure 4 、 5 As shown, first, the guide base 201 is fixed to the erected beam, and the guide base 202 is fixed to the beam to be erected. After the bridge crane lifts the beam to be erected to a misalignment distance of less than 90 mm with the erected beam, the first oil cylinder 224 extends to drive the guide shaft 234 to extend out of the guide base 201. As the guide shaft 234 continues to extend, the guide shaft 234 will extend into the guide tube 209.

[0061] If the beam to be erected is misaligned with the already erected beam when it is in place, the guide shaft 234 and the guide tube 209 will contact each other and as they continue to approach each other, under the pressure of the mutual force, the guide shaft 234 and the guide tube 209 will rotate a certain angle around the second ball seat 230 and the first ball seat 206 respectively, and the guide shaft 234 will adaptively insert into the guide tube 209. When the external force is removed, the guide shaft 234 and the guide tube 209 will automatically return to the middle position under the action of the third spring assembly 232 and the first spring assembly 211 respectively.

[0062] As the piston rod of the first oil cylinder 224 continues to extend, the guide shaft 234 pushes away the stopper 214 and continues to be inserted into the guide tube 209. When the tension piece 236 at the end of the guide shaft 234 passes the outlet hole of the shear piece 217, the shear piece 217 slides down onto the guide shaft 234 under the thrust of the electromagnet 216 spring (the electromagnet 216 spring is in a power-off state at this time). At this time, the first oil cylinder 224 has been extended and retracted into place, and the first oil cylinder 224 begins to retract. Since the tension piece 236 is stuck in the guide tube 209, the guide shaft 234 will pull the guide seat 202 toward the guide base 201 when the first oil cylinder 224 retracts. When the guide beam to be erected is closed and moves closer to the erected beam, the oil cylinder of the bridge crane and the first oil cylinder 224 must be synchronized and have the same stroke. When the first guide surface 221 of the guide seat 202 approaches the second guide surface 205 of the guide base 201, the guide base 201 and the guide base 202 are forced to completely dock under the pulling force of the first oil cylinder 224 and the guiding action of the inner second guide surface 205, that is, the guide base 201 and the guide base 202 are coaxial, so that the beam to be erected can accurately enter the position to be installed and be pre-tightened under the pulling force of the first oil cylinder 224. At this time, the beam to be erected and the erected beam can be connected with the erected beam using rivets and high-strength bolts, and then welded. If there is a misalignment between the beam to be erected and the erected beam, the first oil cylinder 224 can adaptively swing to a certain angle under the action of the joint bearing to ensure that the first oil cylinder 224 is subjected to force in the axial direction to avoid the influence of lateral force on the piston rod and the seal of the first oil cylinder 224. At this time, the second oil cylinder 227 is in a floating state. When there is no external force, the second oil cylinder 227 actively overcomes the influence of the first oil cylinder 224's own weight, and the second spring assembly 225 and the second spring adjustment device 226 ensure that the first oil cylinder 224 is in the center position.

[0063] After the beam guide is installed, the electromagnet 216 is energized, the shear member 217 retracts, the first oil cylinder 224 continues to retract, and the block 214 continues to block the opening of the guide tube 209 under the thrust of the first spring 215. At this time, the guide seat 202 and the guide base 201 can be separated.

[0064] The guide device assembly 200 is suitable for the alignment and assembly of large-sized steel truss segmental beams, steel box beams, and concrete segmental beams weighing 50t to 2000t. It can be symmetrically arranged on both sides of the end of the beam segment according to the size and weight of the installed beam segment. The guide device assembly 200 has a low demand for the number of operators and the degree of operation. The guide device assembly 200 itself has a reasonable force-bearing structure. The first oil cylinder 224 only bears the force in the stroke direction of the first oil cylinder 224. The force condition is good and can effectively reduce the deformation and oil leakage risks of the first oil cylinder 224. The guide shaft 234 and the guide tube 209 form an elastic connection under the action of the ball seat, spring, and spring adjustment device. The angle can be adaptively adjusted under the action of external force and automatically reset when the external force is removed. Due to the strong adaptability of the alignment device, the initial alignment during the assembly process does not require too high positioning accuracy, further improving the efficiency of the entire alignment assembly.

[0065] The above illustrates and describes the basic principles and main structural features of the present invention. The present invention is not limited to the above examples. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A segment beam rapid alignment automatic guiding device, characterized by: The guiding device comprises a guiding nut (201), the guiding nut (201) being used to actively guide the beam to be erected to approach and align with the erected beam so as to achieve splicing of the beam to be erected and the erected beam, the guiding nut (201) comprising a guiding nut (237), an active guiding mechanism provided on the guiding nut (237), and a driving device, the guiding nut (237) being provided with a first guiding surface (221) for guiding the alignment of the beam to be erected and the erected beam, the driving device being used to control the active guiding mechanism to move axially along the guiding nut (237), and the active guiding mechanism being used to actively connect with the erected beam or the beam to be erected; The active guiding mechanism comprises a guide shaft (234) coaxially arranged with the guide base (237) and a third centering mechanism, one end of the guide shaft (234) is hinged to a driving device, the driving device is used to control the guide shaft (234) to be connected to a beam that has been erected or a beam to be erected, and the third centering mechanism is used to control the guide shaft (234) to be positioned on the axis of the guide base (237) without the action of external force; The guide shaft (234) is connected to the driving device through a first guide box, a second hemisphere (235) is provided at one end of the guide shaft (234), the second hemisphere (235) is hinged in the first guide box, a second support portion (229) is provided in the first guide box for limiting the axial movement of the second hemisphere (235) along the guide female seat (237), one end of the second support portion (229) is connected to the spherical surface of the second hemisphere (235), and the second support portion (229) is coaxially arranged with the guide shaft (234); The third centering mechanism comprises a spring seat (231) provided on the first guide box, a third spring adjusting device (233) provided on the spring seat (231), and a third spring assembly (232) perpendicular to the guide shaft (234); one end of the third spring assembly (232) is connected to the third spring adjusting device (233), and the other end abuts against the guide shaft (234); The driving device comprises a first oil cylinder (224) coaxially arranged with the guide shaft (234); a cylinder seat (222) is provided at one end of the guide base (237); the first oil cylinder (224) is arranged in the cylinder seat (222); the tail of the first oil cylinder (224) is hinged to the cylinder seat (222); a second centering mechanism is provided between the first oil cylinder (224) and the cylinder seat (222); the second centering mechanism is used to control the first oil cylinder (224) to be positioned on the axis of the guide base (237) in the absence of external force.

2. The segment beam rapid alignment automatic guiding device according to claim 1, characterized in that: The first guide surface (221) is trumpet-shaped and centrally symmetrical along the axis of the guide female seat (237).

3. The segment beam rapid alignment automatic guiding device according to claim 1, characterized in that: One end of the guide shaft (234) is provided with a tension member (236) for connecting to a beam to be erected or an erected beam.

4. The segment beam rapid alignment automatic guiding device according to claim 1, characterized in that: The second centering mechanism comprises a horizontally arranged second spring assembly (225), a second spring adjusting device (226) fixed on the oil cylinder seat (222), and a floating support arranged below the first oil cylinder (224); one end of the second spring assembly (225) is connected to the second spring adjusting device (226), and the other end abuts against the first oil cylinder (224); the floating support is vertically arranged, one end of the floating support is fixed on the oil cylinder seat (222), and the other end is supported on the first oil cylinder (224).

5. A segment beam rapid alignment automatic guiding device assembly, characterized by: The guiding device assembly (200) includes the guiding device according to any one of claims 1 to 4, and also includes a guiding seat (202) that cooperates with the guiding mother seat (201), wherein one of the guiding mother seat (201) and the guiding seat (202) is arranged on the erected beam, and the other is correspondingly arranged on the beam to be erected, and the guiding mother seat (201) is used to actively connect with the guiding seat (202) and guide the guiding seat (202) to dock with the guiding mother seat (201) to achieve alignment and splicing of the beam to be erected and the erected beam.

6. The segment beam rapid alignment automatic guiding device assembly according to claim 5, characterized in that: The guide seat (202) comprises a guide seat (238) and a passive guide mechanism arranged on the guide seat (238); the guide seat (238) is provided with a second guide surface (205) that cooperates with the first guide surface (221); and the passive guide mechanism is used to connect with the active guide mechanism.

7. The segment beam rapid alignment automatic guiding device assembly according to claim 6, characterized in that: The guide seat (238) is a circular cylindrical structure, and the diameter of the outer wall of the guide seat (238) close to one end of the guide female seat (237) gradually shrinks outward to form a second guide surface (205).

8. The segment beam rapid alignment automatic guiding device assembly according to claim 7, characterized in that: The passive guiding mechanism comprises a guide tube (209) coaxially arranged in a guide seat (238), wherein the guide tube (209) is used to confine a guide shaft (234) extending into the guide tube (209) within the guide tube (209) to achieve connection between the guide female seat (201) and the guide seat (202).

9. The segment beam rapid alignment automatic guiding device assembly according to claim 8, characterized in that: A locking mechanism is provided in the guide tube (209), and the locking mechanism is used to fix the tension member (236) extending into the guide tube (209).

10. The segment beam rapid alignment automatic guiding device assembly according to claim 9, characterized in that: A hole is opened on the wall of the guide tube (209), and the locking mechanism includes an electromagnet (216) arranged on the outer wall of the guide tube (209) at the opening and a stopper (214) arranged in the guide tube (209). A shearing member (217) is elastically connected to the electromagnet (216), and the shearing member (217) passes through the opening of the guide tube (209) and abuts against the stopper (214). The electromagnet (216) is used to suck the shearing member (217) out of the guide tube (209). The side of the stopper (214) away from the guide base (201) is connected to a fixed plate (213) fixed in the guide tube (209) through a first spring (215). The shearing member (217) is used to clamp the tension member (236) after the tension member (236) pushes the stopper (214) open.

11. The segment beam rapid alignment automatic guiding device assembly according to claim 9 or 10, characterized in that: The end of the guide tube (209) close to the guide female seat (201) is a bell mouth, and the end of the tension member (236) close to the guide seat (202) is provided with a variable diameter section that matches the bell mouth of the guide tube (209).

12. The segment beam rapid alignment automatic guiding device assembly according to claim 9 or 10, characterized in that: The guide tube (209) is hinged to the guide seat (238) at one end away from the guide female seat (201), and a first centering mechanism is provided between the guide tube (209) and the guide seat (238). The first centering mechanism is used to control the guide tube (209) to be positioned on the axis of the guide seat (238) without the action of external force.

13. The segment beam rapid alignment automatic guiding device assembly according to claim 12, characterized in that: The guide tube (209) is connected to the guide seat (238) through a second guide box. A first hemisphere (210) is provided at one end of the guide tube (209). The first hemisphere (210) is hinged in the second guide box. A first support portion (208) for limiting the axial movement of the first hemisphere (210) along the guide seat (238) is provided in the second guide box. One end of the first support portion (208) is connected to the spherical surface of the first hemisphere (210). The first support portion (208) and the guide tube (209) are coaxially arranged.

14. The segment beam rapid alignment automatic guiding device assembly according to claim 12, characterized in that: The first centering mechanism comprises a first spring assembly (211) perpendicular to the guide tube (209) and a first spring adjustment device (212) arranged on the inner wall of the guide seat (238); one end of the first spring assembly (211) is connected to the first spring adjustment device (212), and the other end abuts against the guide tube (209).

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