Swivel bridge spherical hinge rapid installation device and use method thereof

Abstract

According to the swivel bridge spherical hinge rapid installation device and the using method thereof, the installation device comprises a supporting base plate, the supporting base plate is horizontally arranged, a positioning steel ball is slidably connected to the upper side of the supporting base plate, and a fixing device is installed on the upper side of the supporting base plate and connected to the outer side of the positioning steel ball; the lower side of the height adjusting device abuts against the upper side of the positioning steel ball, the upper side of the height adjusting device is connected to the center of the lower side of the lower spherical hinge, the positioning device is connected to the center of the upper side of the lower spherical hinge, the leveling devices are connected to the lower side of the lower spherical hinge, and the height adjusting and detecting device is connected to the edge of the lower spherical hinge. According to the design, the three-dimensional coordinate value of the central axis of the lower spherical hinge is obtained through the positioning device, so that the lower spherical hinge can be directly hoisted to a plane design position, the elevation value of the outer edge of the lower spherical hinge is detected through the height adjusting and detecting device, and the lower spherical hinge can be precisely leveled and integrally adjusted in height through the leveling device; the lower spherical hinge is stabilized at the designed position through the height adjusting device, so that the plane position and the elevation position of the spherical hinge are accurate.

Description

Technical Field

[0001] The present invention relates to the technical field of bridge swivel construction, and particularly relates to a rapid installation device for a swivel bridge spherical hinge and a using method thereof. Background Art

[0002] The swivel bridge spherical hinge is composed of two mutually cooperating spherical surfaces. The lower spherical hinge is cast integrally with the lower bearing platform through a positioning framework, and the upper spherical hinge is cast integrally with the upper bearing platform and the beam body, so that after the upper bridge is poured, it can be rotated to the designed position by a traction device using the spherical hinge support. Therefore, the spherical hinge is an important support and positioning component of the swivel bridge. Generally, the swivel bridge weighs tens of thousands of tons, which determines that the diameter and self-weight of the spherical hinge bearing its weight are very large, making the positioning difficulty of the spherical hinge greater.

[0003] The existing adjustment and positioning of the spherical hinge is to directly place the lower spherical hinge on the positioning framework, and then use a large amount of manual and mechanical means to move the large spherical hinge weighing dozens of tons in the horizontal and vertical directions to adjust its spatial position. After the adjustment is in place, it is connected and fixed to the positioning framework through 8 bolts. The current technology is to open 8 round holes at the bottom of the lower spherical hinge, and open elliptical holes facing 8 directions at the corresponding positions of the spherical hinge positioning framework. It seems that it can be adjusted in all directions, but in fact, the limits in each direction are reversed and it can hardly be adjusted, resulting in all 8 connecting bolts being inclined after adjustment. When the buoyancy or external force generated during concrete pouring affects the spherical hinge, displacement will occur. At present, most spherical hinges have a radius of 2.5 meters. If the unilateral length of the beam body is 70 meters, if the axis deviation of the top opening of the spherical hinge after installation is 1 mm, according to the principle of similar triangles, then the axis position deviation at the farthest end of the beam surface after swiveling will reach 28 mm. Similarly, if the flatness deviation of the top opening of the spherical hinge is 1 mm, then the elevation deviation at the beam end after swiveling will also reach 28 mm. From the data, the initial error is directly magnified dozens of times. At the same time, the installation height of the existing spherical hinge cannot be adjusted. If the elevation error is large, it will have a great impact on the pier formwork, the size of the upper bearing platform, and the beam surface elevation; if the axis error is large, misalignment will occur at the beam connection part, thus affecting the force and overall aesthetics of the beam body. Seriously, it will cause the beam body to deflect or jam during the swiveling process, resulting in the failure of the swiveling. Summary of the Invention

[0004] The purpose of the present invention is to overcome the defects and problems of low installation accuracy and low efficiency in the existing spherical hinge installation, and provide a rapid installation device for a swivel bridge spherical hinge with high installation accuracy and high efficiency and a using method thereof.

[0005] To achieve the above object, the technical solution of the present invention is: a rapid installation device for the rotating bridge spherical hinge, including a support backing plate, positioning steel balls, a plurality of fixing devices, a height adjustment device, a positioning device, a height adjustment detection device, and a plurality of leveling devices. The support backing plate is horizontally arranged, the positioning steel balls are slidably connected to the upper side of the support backing plate, a plurality of the fixing devices are installed on the upper side of the support backing plate, the plurality of fixing devices are evenly distributed along the circumferential direction and connected to the outer side of the positioning steel balls, the lower side of the height adjustment device abuts against the upper side of the positioning steel balls, the upper side of the height adjustment device is connected to the center of the lower side of the lower spherical hinge, the positioning device is connected to the center of the upper side of the lower spherical hinge, the plurality of leveling devices are evenly distributed along the circumferential direction and connected to the lower side of the lower spherical hinge, and the height adjustment detection device is connected to the edge of the lower spherical hinge;

[0006] The height adjustment detection device is used to measure the elevation value at the edge of the lower spherical hinge;

[0007] The positioning device is used to measure the three-dimensional space coordinate value of the center of the lower spherical hinge;

[0008] The leveling device is used to precisely level and overall adjust the height of the lower spherical hinge according to the elevation value and the three-dimensional space coordinate value.

[0009] Two V-shaped grooves are formed on the upper side of the support backing plate, and the two V-shaped grooves orthogonally form a cross-shaped V-shaped groove. The positioning steel balls are hemispherical, the end faces of the positioning steel balls are located at the center of the cross-shaped V-shaped groove, and the arc surfaces of the positioning steel balls are connected to the lower side of the height adjustment device.

[0010] The fixing device includes a fixing plate and a fixing bolt. The fixing plate is L-shaped, the horizontal part of the fixing plate is connected to the upper side of the support backing plate, a threaded hole is formed in the vertical part of the fixing plate, and the fixing bolt is threadedly connected to the threaded hole and the bottom end abuts against the arc surface of the positioning steel ball.

[0011] The height adjustment device includes an inner cylinder, an outer cylinder, and a nut. The outer cylinder is slidably connected to the outside of the inner cylinder in the vertical direction. The axis of the outer cylinder coincides with the central axis of the lower spherical hinge. The upper end of the outer cylinder is located above the inner cylinder and connected to the lower side of the lower spherical hinge. The inner cylinder is stepped. An external thread is provided on the outer peripheral surface of the small-diameter end of the inner cylinder. The nut is threadedly connected to the external thread. A receiving cylinder is coaxially connected to the lower end surface of the outer cylinder. The lower end surface of the receiving cylinder abuts against the upper end surface of the nut. A plurality of screw rods are threadedly connected to the outer side surface of the nut along the circumferential direction. A support block is connected to the large-diameter end of the inner cylinder. The lower side of the support block matches the shape of the positioning steel ball, and the arc height of the support block is less than the radius of the positioning steel ball.

[0012] A plurality of rolling steel balls are arranged circumferentially on the outer peripheral surface of the inner cylinder near the upper end. The rolling steel balls are rotatably connected to the inner cylinder and the outer sides thereof are attached to the inner side wall of the outer cylinder. The upper end surface of the inner cylinder is provided with multiple rows of raceways in the vertical direction. The multiple rows of raceways are evenly distributed on the outer peripheral surface of the inner cylinder in a circular pattern. A plurality of the rolling steel balls are rotatably connected in each row of raceways. The outer sides of the rolling steel balls pass through the raceways and are attached to the inner side wall of the outer cylinder. The cross-section of the raceway is arc-shaped. The radius of the cross-section of the raceway matches the radius of the rolling steel ball and ensures a minimum rotational clearance. The chordal distance of the raceway is less than the radius of the rolling steel ball.

[0013] The height adjustment detection device includes a clamping block, a support plate, a rotating rod, a connecting rod, a sector gear, a connecting gear, a bar code ruler, a fastening screw, and a top plate. The clamping block is C-shaped and is clamped to the outer edge of the lower ball joint. The support plate is vertically connected to the outer top wall of the clamping block. The fastening screw is threadedly connected to the lower side of the clamping block. The top plate is connected to the upper end of the fastening screw. The upper side of the top plate abuts against the lower side of the lower ball joint. A wrench is horizontally inserted into the lower end of the fastening screw. The shape of the inner top wall of the clamping block matches the arc surface of the lower ball joint. The rotating rod is horizontally arranged and threadedly connected to the support plate. One end of the rotating rod is rotatably connected to a first clip. A second clip is connected to the outer peripheral surface of the rotating rod. The first clip and the second clip are located on one side of the support plate. The connecting gear and the sector gear are both located between the first clip and the second clip. The connecting gear is sleeved on the rotating rod and one end face thereof is connected to the second clip. The sector gear is meshed with the connecting gear and the upper side thereof is hinged to one end of the connecting rod. The other end of the connecting rod is connected to one side of the support plate. The bar code ruler is connected to one end face of the sector gear. The rotating rod is stepped. The first clip and the second clip are respectively rotatably connected to the small end of the rotating rod.

[0014] One end of the rotating rod is connected to a knob. The knob is cylindrical and is located on the other side of the support plate. A plurality of anti-slip lines are circumferentially spaced on the outer peripheral surface of the knob. A spring is sleeved on the outer peripheral surface of the rotating rod. One end of the spring abuts against one end face of the second clip. The other end of the spring is connected to the other side of the support plate. A ball joint is connected between the connecting rod and the sector gear. An installation hole is opened at one end of the sector gear. The ball joint is installed in the installation hole.

[0015] The positioning device includes a base, a support arm, and a counterweight. The base is hemispherical, and the lower side of the base abuts against the positioning rotation shaft hole of the lower spherical hinge. The support arm is vertically arranged, and a prism is connected to the upper end of the support arm. The prism is arranged relative to the total station. The lower end of the support arm passes through the base and is located in the positioning rotation shaft hole of the lower spherical hinge. The counterweight is connected to the lower end of the support arm.

[0016] The leveling device includes a connecting rod, a backing plate, and a hydraulic cylinder. One end of the connecting rod is hinged to the outside of the support backing plate. The backing plate is hinged to the other end of the connecting rod. The installation end of the hydraulic cylinder is hinged to the upper side of the backing plate. The output end of the hydraulic cylinder is connected to the lower edge of the lower spherical hinge.

[0017] A method for using a rapid installation device for a rotating bridge spherical hinge, the method comprising the following steps:

[0018] Step 1: Level the support backing plate and place it at the center of the bottom of the lower spherical hinge and fix it. Then place the positioning steel ball with its plane facing down on the support backing plate, drill a concave hole on the spherical surface perpendicular to the bottom surface at the center of the positioning steel ball. Then place a prism group in the concave hole at the top of the positioning steel ball and measure the plane coordinates of the corresponding center position of the lower spherical hinge through a total station. While measuring, horizontally rotate the fixing bolt to finely adjust the plane position of the positioning steel ball until the plane coordinates of the center of the positioning steel ball completely coincide with the center coordinates of the lower spherical hinge. At this time, weld and fix the position of the positioning steel ball at the intersection of the bottom surface of the positioning steel ball and the two V-shaped grooves of the support backing plate to complete the plane positioning of the lower spherical hinge.

[0019] Step 2: Place a height adjustment device on the upper part of the positioning steel ball, hoist and sleeve the lower spherical hinge on the spherical hinge height adjustment device. Install a plurality of leveling devices and positioning skeletons along the circumferential direction at the lower edge of the lower spherical hinge. At the same time, install a height adjustment detection device at the jacking position on the outer edge of the lower spherical hinge. Perform elevation measurement on the outer edge of the lower spherical hinge in sequence along the circumferential direction through the height adjustment detection device, and take the average value of the measured values as the reference value for leveling. Adjust the top surface of the lower spherical hinge through the leveling device according to the difference between the measured value and the reference value until the elevations of the outer edges of the lower spherical hinge are all equal, then the leveling operation is completed.

[0020] Step 3: After leveling, place the positioning device on the upper end surface of the positioning rotation shaft hole of the lower spherical hinge. Obtain the three-dimensional coordinates of the upper center of the positioning rotation shaft hole of the lower spherical hinge through the cooperation of the positioning device and the total station. Adjust the overall height of the lower spherical hinge through the leveling device according to the three-dimensional coordinate values. At the same time, monitor the elevation and coordinates during the fine adjustment process by tracking and measuring the coordinates of the positioning device through the total station, so that the lower spherical hinge can be quickly adjusted to the designed position.

[0021] Step 4: After adjustment in place, connect the periphery of the lower spherical hinge to the positioning skeleton, and remove the height adjustment device and the leveling device.

[0022] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0023] 1. In the rapid installation device and its using method of the rotating bridge spherical hinge of the present invention, by using the principle that any spherical object rotates around a unique center of the sphere during self-rotation, the center of the positioning steel ball is first fixed to the designed position according to the three-dimensional coordinate values, and then the lower spherical hinge is directly placed on the positioning steel ball through the height adjustment device to complete the process of forced centering, so that the rotation center of the heavy lower spherical hinge directly reaches the plane designed position. Since only the position of the positioning steel ball needs to be adjusted to complete the planar positioning of the spherical hinge, only one person can complete the rapid positioning of the spherical hinge, which can save a large amount of labor, machinery and time, and at the same time can reduce the process of repeatedly moving the entire spherical hinge to adjust its spatial position; the elevation value of the outer edge of the lower spherical hinge can be detected through the height adjustment and detection device to guide the fine leveling; the three-dimensional coordinate values at the rotation center of the lower spherical hinge can be obtained through the positioning device, and based on this, the planar position verification and overall height adjustment of the lower spherical hinge can be carried out according to multiple leveling devices; the support height of the lower spherical hinge can be adaptively adjusted through the height adjustment device, so that the lower spherical hinge can be stably supported in a timely and effective manner, so that the planar position and elevation position of the installed spherical hinge are accurate, ensuring the initial accuracy of the beam body, and avoiding the situation that the front central axis of the bridge coincides during rotation while the rear central axis cannot coincide, thus affecting the final positioning error of the bridge; avoiding the difficulty of resetting the beam body after deflection due to the uneven installation of the spherical hinge, thus affecting the overall elevation of the beam surface. Therefore, the present invention is convenient to install, has a relatively high installation accuracy and a relatively high installation efficiency.

[0024] 2. In the rapid installation device and its using method of the rotating bridge spherical hinge of the present invention, the planar position of the positioning steel ball can be finely adjusted by setting the fixing bolts. After the positioning steel ball is adjusted in place, the positioning steel ball can be directly welded to the support backing plate. By setting the V-shaped groove, the welding between the positioning steel ball and the support backing plate is made more firm. Since the positioning steel ball is in a spherical crown shape and the planar position of the spherical crown contacts the support backing plate, the situation of displacement of the steel ball during operation is avoided. Therefore, the present invention is simple to adjust and firmly connected.

[0025] 3. In a quick installation device and its usage method for a rotating bridge spherical hinge according to the present invention, based on the principle that no matter how the radius fixed at the center of the sphere changes, it will rotate around the center of the sphere during rotation. By the telescoping between the inner cylinder and the outer cylinder, the rotation radius of the lower spherical hinge is changed. The inner cylinder is placed on the positioning steel balls to effectively fix and support the entire structure when the lower spherical hinge adjusts its inclination position. At the same time, the whole lower spherical hinge revolves around the center of the positioning steel balls to complete the verticality of the outer cylinder to ensure the quick overall leveling of the lower spherical hinge. When the overall height of the lower spherical hinge is adjusted by the jack, the outer cylinder can freely telescope on the inner cylinder to adaptively adjust the height. After the overall height adjustment is in place, the telescopic length is limited by the positioning component to maintain the adjusted height, so as to maintain the spatial height of the lower spherical hinge with relatively high positioning accuracy. Therefore, the working process of the present invention is stable and the adjustment process is scientific.

[0026] 4. In a quick installation device and its usage method for a rotating bridge spherical hinge according to the present invention, the height adjustment device changes the sliding friction into rolling friction through the internal rolling steel balls to reduce the resistance. During the adjustment process, it can effectively relieve the uneven stress on the inner and outer cylinder structures to avoid jamming between the inner cylinder and the outer cylinder. After the overall height adjustment is in place, the limit is achieved by rotating the nut. In addition to being convenient for fine adjustment, the thread can also ensure high-precision elevation positioning, avoiding the situation that when the jack is unloaded after the height of the existing lower spherical hinge is adjusted in place, the support of the lower spherical hinge is unstable or uneven, resulting in the reset or skew of the lower spherical hinge and the need for repeated adjustment. This device ensures smooth adjustment and is convenient for later demolition and recycling, while also improving the reliability and stability of the device. By designing the arc height of the support block to be smaller than the radius of the positioning steel ball, the radius of the large-diameter end of the inner cylinder can be significantly reduced to reduce its own weight, and at the same time, the moving space for the inner cylinder to rotate around the positioning steel ball can be increased. Therefore, the present invention has high reliability, good stability and high flexibility.

[0027] 5. In the quick installation device and its usage method of the rotating bridge spherical hinge of the present invention, the adjustment values of each azimuth of the lower spherical hinge can be determined by measuring the readings of the bar code ruler with an electronic level. The elevation of the outer edge of the lower spherical hinge is measured sequentially along the circumferential direction by the height adjustment detection device. By taking the average of the measured values as the leveling reference value, the leveling stroke can be minimized to reduce the workload. By connecting the bar code ruler and the sector gear to form an integral body, rotating the rotating rod can drive the first clip and the second clip to move back and forth. The clips drive the sector gear to move back and forth at the same time, and the bar code ruler can be made perpendicular in the front and back directions. Rotating the first clip can drive the connecting gear to rotate. The sector gear can rotate in the reverse direction through the connecting gear, driving the bar code ruler to be perpendicular in the left and right directions, thus avoiding the situation where the surveyor cannot stand and set up the ruler on the sliding surface inside the lower spherical hinge. By using this device to assist in the precise leveling of the lower spherical hinge, the installation error of the lower spherical hinge can be reduced, so as to ensure that no horizontal component force is generated during the rotation when the upper spherical hinge is placed on the lower spherical hinge, thereby reducing the comprehensive friction to reduce the rotation error and ensuring that no deflection occurs when the beam rotates, so as to improve the stability and measurement accuracy during rotation. Therefore, the measurement of the present invention is convenient, and the measurement efficiency and accuracy are relatively high.

[0028] 6. In the quick installation device and its usage method of the rotating bridge spherical hinge of the present invention, by designing the block into a C shape, the contact area is larger when the block contacts the edge of the lower spherical hinge. Since the block abuts against the lower spherical hinge through the top plate, the friction between the two is greater, and the connection of the block is more stable. The fastening screw is rotated by a wrench, and the installation and disassembly processes are both convenient. By installing a knob at the end of the rotating rod, the rotation process of the rotating rod is more convenient. By providing anti-slip lines on the knob, the rotation of the knob is more labor-saving. By setting a spring, after the bar code ruler is perpendicular, the connecting gear can achieve friction braking through the spring pressure, so that the bar code ruler can be automatically locked while ensuring perpendicularity in the left and right directions, which is convenient for measurement. By setting a spherical hinge, the sector gear can be rotated in any direction, making the vertical adjustment process of the bar code ruler smoother. Therefore, the present invention has high reliability, is convenient to use, and has relatively high measurement accuracy.

[0029] 7. In a swivel bridge ball joint quick installation device and its use method of the present invention, the central axis of the lower ball joint is monitored by setting a positioning device. When the axis of the lower ball joint is not vertical, the non-vertical torque is amplified by the counterweight block set on the central axis of the base and the support arm acting as a force arm, so that the base can overcome the friction between its outer surface and the inner wall of the hollow steel pipe to make the central axis quickly and automatically plumb. In this way, the reflection center of the prism and the center of gravity of the base and the counterweight block are always forced to remain on a plumb line. The real-time spatial position of the top center of the lower ball joint can be quickly obtained by measuring the three-dimensional coordinates of the prism with a total station, and the absolute value of the adjustment can be obtained by comparing the actual value with the theoretical value. At the same time, the final measured coordinates can be used as the basis for the completion acceptance of the lower ball joint. Therefore, the present invention has high installation accuracy and is easy to use.

[0030] 8. In a swivel bridge ball joint quick installation device and a method of using the same of the present invention, by setting the upper side of the base as a concave arc surface, the weight of the base can be reduced, thereby facilitating the rapid plumbing of the support arm; by setting the counterweight block to a cone shape, processing is facilitated, and at the same time, the center of gravity can be guaranteed to be located on the axis to the greatest extent, making it more stable during operation; because the device is located in the inner cylinder, a natural barrier is formed all around, which makes it easier to overcome the influence of wind during the detection process and ensure the accuracy of the detection in a hoisting environment where wind is allowed, thereby avoiding rework and work delays. Therefore, the present invention has good reliability and strong adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a structural schematic diagram of the present invention.

[0032] Figure 2 It is a structural schematic diagram of the lower ball joint when the installation is completed in the present invention.

[0033] Figure 3 It is a structural schematic diagram of the supporting pad, positioning steel ball, fixing device and adjusting device in the present invention.

[0034] Figure 4 It is a structural schematic diagram of the height adjustment device in the present invention.

[0035] Figure 5 It is a cross-sectional schematic diagram of the height adjustment device and the lower ball joint in the present invention.

[0036] Figure 6 It is a structural schematic diagram of the inner tube, nut and screw in the present invention.

[0037] Figure 7 It is a structural schematic diagram of the inner cylinder, rolling steel balls and positioning steel balls in the present invention.

[0038] Figure 8 It is a structural schematic diagram of the inner cylinder, rolling steel balls and raceway in the present invention.

[0039] Figure 9 It is a schematic structural diagram of the height adjustment detection device in the present invention from one perspective.

[0040] Figure 10 It is a schematic structural diagram of the height adjustment detection device in the present invention from another perspective.

[0041] Figure 11 It is a schematic structural diagram of the sector gear and the support plate in the present invention.

[0042] Figure 12 It is a schematic cross-sectional view of the rotating rod, the first clamping piece and the second clamping piece in the present invention.

[0043] Figure 13 It is a schematic structural diagram of the positioning device in the present invention.

[0044] Figure 14 It is a schematic cross-sectional view of the positioning device in the present invention.

[0045] In the figure: lower spherical hinge 1, support backing plate 2, V-shaped groove 21, positioning steel ball 3, fixing device 4, fixing plate 41, fixing bolt 42, height adjustment device 5, inner cylinder 51, raceway 511, support block 512, outer cylinder 52, nut 53, screw rod 54, receiving cylinder 55, rolling steel ball 56, positioning device 6, base 61, connecting rod 62, counterweight 63, prism 64, convex platform 65, connecting block 66, groove 67, height adjustment detection device 7, clamping block 71, support plate 72, fastening screw rod 73, top plate 74, wrench 75, rotating rod 76, first clamping piece 77, second clamping piece 78, connecting rod 79, sector gear 710, mounting hole 711, connecting gear 712, bar code ruler 713, knob 714, anti-slip pattern 715, spring 716, spherical hinge 717, leveling device 8, connecting rod 81, backing plate 82, hydraulic cylinder 83, positioning framework 9. Specific embodiments

[0046] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0047] Embodiment 1:

[0048] See Figures 1 to 14, A rapid installation device for the spherical hinge of a rotating bridge, comprising a support backing plate 2, positioning steel balls 3, a plurality of fixing devices 4, a height adjustment device 5, a positioning device 6, a height adjustment detection device 7, and a plurality of leveling devices 8. The support backing plate 2 is horizontally arranged. The positioning steel balls 3 are slidably connected to the upper side of the support backing plate 2. A plurality of the fixing devices 4 are installed on the upper side of the support backing plate 2. The plurality of fixing devices 4 are evenly distributed along the circumferential direction and are connected to the outer side of the positioning steel balls 3. The lower side of the height adjustment device 5 abuts against the upper side of the positioning steel balls 3. The upper side of the height adjustment device 5 is connected to the center of the lower side of the lower spherical hinge 1. The positioning device 6 is connected to the center of the upper side of the lower spherical hinge 1. The plurality of leveling devices 8 are evenly distributed along the circumferential direction and are connected to the lower side of the lower spherical hinge 1. The height adjustment detection device 7 is connected to the edge of the lower spherical hinge 1;

[0049] The height adjustment detection device 7 is used to measure the elevation value at the edge of the lower spherical hinge 1;

[0050] The positioning device 6 is used to measure the three-dimensional space coordinate value of the center of the lower spherical hinge 1;

[0051] The leveling device 8 is used to precisely level and overall adjust the height of the lower spherical hinge 1 according to the elevation value and the three-dimensional space coordinate value;

[0052] Two V-shaped grooves 21 are formed on the upper side of the support backing plate 2. The two V-shaped grooves 21 intersect to form a cross-shaped V-shaped groove. The positioning steel balls 3 are hemispherical. The end face of the positioning steel balls 3 is located at the center of the cross-shaped V-shaped groove. The arc surface of the positioning steel balls 3 is connected to the lower side of the height adjustment device 5;

[0053] The fixing device 4 includes a fixing plate 41 and a fixing bolt 42. The fixing plate 41 is L-shaped. The horizontal part of the fixing plate 41 is connected to the upper side of the support backing plate 2. A threaded hole is formed in the vertical part of the fixing plate 41. The fixing bolt 42 is threadedly connected to the threaded hole and its bottom end abuts against the arc surface of the positioning steel ball 3.

[0054] A method for using a rapid installation device for the spherical hinge of a rotating bridge, the method comprising the following steps:

[0055] Step 1: Level the supporting backing plate 2 and place it at the center of the bottom of the lower spherical hinge 1 for fixation. Then, place the positioning steel ball 3 with its plane facing down on the supporting backing plate 2, drill a concave hole on the spherical surface perpendicular to the bottom surface at the center of the positioning steel ball 3. Then, place the prism group in the concave hole at the top of the positioning steel ball 3 and measure the plane coordinates corresponding to the center position of the lower spherical hinge 1 through a total station. While measuring, horizontally rotate the fixing bolt 42 to finely adjust the plane position of the positioning steel ball 3 until the plane coordinates of the center of the positioning steel ball 3 completely coincide with the center coordinates of the lower spherical hinge 1. At this time, weld and fix the position of the positioning steel ball 3 at the junction of the bottom surface of the positioning steel ball 3 and the two V-grooves 21 of the supporting backing plate 2 to complete the plane positioning of the lower spherical hinge 1;

[0056] Step 2: Place the height adjustment device 5 on the upper part of the positioning steel ball 3, hoist and sleeve the lower spherical hinge 1 on the spherical hinge height adjustment device 5. Install a plurality of leveling devices 8 and positioning skeletons 9 along the circumferential direction at the lower edge of the lower spherical hinge 1. At the same time, install a height adjustment detection device 7 at the jacking position on the outer edge of the lower spherical hinge 1. Measure the elevation of the outer edge of the lower spherical hinge 1 in sequence along the circumferential direction through the height adjustment detection device 7, and take the average value of the measured values as the reference value for leveling. Adjust the top surface of the lower spherical hinge 1 through the leveling device 8 according to the difference between the measured value and the reference value until the elevations of the outer edges of the lower spherical hinge 1 are all equal to complete the leveling operation;

[0057] Step 3: After leveling, place the positioning device 6 on the upper end surface of the positioning rotation shaft hole of the lower spherical hinge 1, obtain the three-dimensional coordinates of the upper center of the positioning rotation shaft hole of the lower spherical hinge 1 through the cooperation of the positioning device 6 and the total station. Overall adjust the height of the lower spherical hinge 1 through the leveling device 8 according to the three-dimensional coordinate values. At the same time, monitor the elevation and coordinates during the fine adjustment process by tracking and measuring the coordinates of the positioning device 6 through the total station to quickly adjust the lower spherical hinge 1 to the designed position;

[0058] Step 4: After adjustment in place, firmly connect the periphery of the lower spherical hinge 1 with the positioning skeleton 9 and then remove the height adjustment device 5 and the leveling device 8. At this time, the subsequent operations such as steel bar binding and concrete pouring can be completed.

[0059] In this embodiment, the height of the spherical crown of the positioning steel ball 3 is about 1.2 times its radius. According to the weight of the lower spherical hinge 1, for the supporting backing plate 2 with a lighter weight, an equilateral triangle is selected, and for a heavier one, a square is selected. During the plane positioning process of the lower spherical hinge 1, the center position of the spherical hinge can be directly marked on the supporting backing plate 2. Use a compass to draw a circle with the marked point as the center and the radius of the spherical crown plane of the positioning steel ball 3 as the radius, and then directly place the plane of the positioning steel ball 3 inside the circle to achieve the positioning of the positioning steel ball 3.

[0060] Example 2:

[0061] The basic content is the same as that of Example 1, and the differences are as follows:

[0062] See Figures 4 to 8 , the height adjusting device 5 includes an inner cylinder 51, an outer cylinder 52 and a nut 53. The outer cylinder 52 is slidably connected to the outside of the inner cylinder 51 in the vertical direction. The axis of the outer cylinder 52 coincides with the central axis of the lower ball joint 1. The upper end of the outer cylinder 52 is located above the inner cylinder 51 and is connected to the lower side of the lower ball joint 1. The inner cylinder 51 is stepped. An external thread is provided on the outer peripheral surface of the small diameter end of the inner cylinder 51. The nut 53 is threadedly connected to the external thread. A receiving cylinder 55 is coaxially connected to the lower end surface of the outer cylinder 52. The lower end surface of the receiving cylinder 55 abuts against the upper end surface of the nut 53. A plurality of screw rods 54 are threadedly connected to the outer side surface of the nut 53 in the circumferential direction. A support block 512 is connected to the large diameter end of the inner cylinder 51. The lower side of the support block 512 matches the outer shape of the positioning steel ball 3. The arc height of the support block 512 is less than the radius of the positioning steel ball 3.

[0063] A plurality of rolling steel balls 56 are arranged on the outer peripheral surface of the inner cylinder 51 near the upper end in the circumferential direction. The rolling steel balls 56 are rotatably connected to the inner cylinder 51 and the outer sides thereof are attached to the inner side wall of the outer cylinder 52. A plurality of rows of raceways 511 are provided on the upper end surface of the inner cylinder 51 in the vertical direction. The plurality of rows of raceways 511 are evenly distributed on the outer peripheral surface of the inner cylinder 51 in a circular shape. A plurality of the rolling steel balls 56 are rotatably connected in each row of the raceways 511. The outer sides of the rolling steel balls 56 pass through the raceways 511 and then are attached to the inner side wall of the outer cylinder 52. The cross section of the raceway 511 is arc-shaped. The radius of the cross section of the raceway 511 matches the radius of the rolling steel ball 56 and ensures a minimum rotation clearance. The chordal distance of the raceway 511 is less than the radius of the rolling steel ball 56.

[0064] In this embodiment, the inner cylinder 51 is placed on the positioning steel balls 3 so that the entire structure can be effectively fixed and supported when the lower spherical hinge 1 adjusts its inclination position, and the whole can revolve around the center of the positioning steel balls 3 to complete the rapid overall leveling of the lower spherical hinge 1. Since the height of the lower spherical hinge 1 not being at the designed position will affect the use of the shaping template and the overall external dimensions of the upper bearing platform, the lower spherical hinge 1 also needs to be adjusted to the designed elevation. The inner cylinder 51 is directly sleeved inside the outer cylinder 52 and slides. When the lower spherical hinge 1 needs to be lifted or lowered, multiple jacks are simultaneously extended or retracted, and at this time, the lower spherical hinge 1 will be lifted or lowered as a whole. When inclination correction is required, only individual jacks need to be jacked up. After the height adjustment is completed, the outer cylinder 52 is fixed by the nut 53, so that the spatial height of the lower spherical hinge 1 can be maintained. External threads are milled on the outer circumference of the bottom of the inner cylinder 51, and the nut 53 is sleeved on the external threads. The top surface of the nut 53 abuts against the receiving cylinder 55. A screw rod 54 is inserted into a drilled hole on the outside of the nut 53 to replace the wrench 75 for convenient rotation. The nut 53 at the bottom of the inner cylinder 51 is rotated, and the top surface of the large nut 53 abuts against the outer cylinder 52. At this time, after connecting the periphery of the lower spherical hinge 1 to the positioning framework 9, the jacks and the height adjustment device 5 can be removed, and the height position adjustment of the lower spherical hinge 1 is completed. For the heavier lower spherical hinge 1, after jacking up, a square hole is opened at the thread and a square steel is directly inserted to prevent the lower spherical hinge 1 from falling back, avoiding the generation of a rotating force by the nut 53 under the action of a large self-weight. In order to reduce the frictional resistance, a scheme of replacing sliding friction with rolling friction is adopted, and the raceway 511 of the inner cylinder 51 is evenly drilled into a spline-shaped round hole, so that the rolling steel balls 56 placed in the raceway 511 will not fall out.

[0065] Embodiment 3:

[0066] The basic content is the same as that of Embodiment 1, and the differences are as follows:

[0067] See Figures 9 to 12, the height adjustment detection device 7 includes a clamping block 71, a support plate 72, a rotating rod 76, a connecting rod 79, a sector gear 710, a connecting gear 712, a bar code ruler 713, a fastening screw 73 and a top plate 74. The clamping block 71 is C-shaped and is clamped to the outer edge of the lower ball joint 1. The support plate 72 is vertically connected to the outer top wall of the clamping block 71. The fastening screw 73 is threadedly connected to the lower side of the clamping block 71. The top plate 74 is connected to the upper end of the fastening screw 73. The upper side of the top plate 74 abuts against the lower side of the lower ball joint 1. A wrench 75 is horizontally inserted into the lower end of the fastening screw 73. The shape of the inner top wall of the clamping block 71 matches the arc surface of the lower ball joint 1. The rotating rod 76 is horizontally arranged and threadedly connected to the support plate 72. One end of the rotating rod 76 is rotatably connected to a first clamping piece 77. A second clamping piece 78 is connected to the outer peripheral surface of the rotating rod 76. The first clamping piece 77 and the second clamping piece 78 are located on one side of the support plate 72. The connecting gear 712 and the sector gear 710 are both located between the first clamping piece 77 and the second clamping piece 78. The connecting gear 712 is sleeved on the rotating rod 76 and one end face is connected to the second clamping piece 78. The sector gear 710 is meshed with the connecting gear 712 and the upper side is hinged to one end of the connecting rod 79. The other end of the connecting rod 79 is connected to one side of the support plate 72. The bar code ruler 713 is connected to one end face of the sector gear 710. The rotating rod 76 is stepped. The first clamping piece 77 and the second clamping piece 78 are respectively rotatably connected to the small end of the rotating rod 76.

[0068] One end of the rotating rod 76 is connected to a knob 714. The knob 714 is cylindrical and is located on the other side of the support plate 72. A plurality of anti-slip lines 715 are circumferentially spaced apart on the outer peripheral surface of the knob 714. A spring 716 is sleeved on the outer peripheral surface of the rotating rod 76. One end of the spring 716 abuts against one end face of the second clamping piece 78. The other end of the spring 716 is connected to the other side of the support plate 72. A ball joint 717 is connected between the connecting rod 79 and the sector gear 710. An installation hole 711 is opened at one end of the sector gear 710. The ball joint 717 is installed in the installation hole 711.

[0069] In this embodiment, the front and rear positions of the first clamping piece 77 and the second clamping piece 78 are adjusted by rotating the rotating rod 76. Since the first clamping piece 77 and the second clamping piece 78 clamp both sides of the sector gear 710, and the top of the sector gear 710 is hinged to the connecting rod 79, the lower part of the sector gear 710 will move back and forth around the upper connecting rod 79 following the first clamping piece 77 and the second clamping piece 78 until the front of the sector gear 710 is perpendicular to the ground plane. At this time, the front of the bar code ruler 713 on the sector gear 710 is vertical. Then, rotate the first clamping piece 77, and the connecting gear 712 on the first clamping piece 77 will also rotate together. The connecting gear 712 drives the sector gear 710 and the bar code ruler 713 to rotate left and right around the connecting rod 79 to make the left and right directions of the bar code ruler 713 perpendicular to the ground plane. At this time, the data on the bar code ruler 713 can be measured by the electronic level. After measuring one place, loosen the fixing device 4 and continue measuring at the next detection point until the elevation of the outer edge of the lower spherical hinge 1 at the top support of each hydraulic cylinder 83 is measured. A connecting hole is opened at the lower end of the fastening screw 73. After the block 71 matching the arc surface of the lower spherical hinge 1 is clamped on the outer edge of the lower spherical hinge 1, insert the wrench 75 into the connecting hole, and then turn the wrench 75 to make the fastening screw 73 rotate. The top plate 74 moves under the drive of the fastening screw 73 and abuts against the bottom of the lower spherical hinge 1. Then remove the wrench 75. At this time, the support frame is fixed on the outer edge of the lower spherical hinge 1. When it is necessary to remove the detection device 7, insert the wrench 75 into the connecting hole again, reverse-rotate the fastening screw 73 to separate the top plate 74 from the lower spherical hinge 1, and then remove the support frame from the lower spherical hinge 1. The knob 714 is in the shape of a circular sheet. Before rotating the rotating rod 76, first put the fingers into the anti-slip lines 715 respectively. The anti-slip lines 715 are in the shape of a concave arc surface. Then hold the knob 714 tightly and rotate the rotating rod 76 to make the rotating rod 76 move back and forth on the support frame, so as to adjust the positions of the first clamping piece 77 and the second clamping piece 78 and drive the sector gear 710 to move back and forth synchronously. The structure of the spherical hinge 717 can be selected as a spherical plain bearing. The outer ring of the spherical plain bearing is connected to the mounting hole 711, and the inner ring of the spherical plain bearing is connected to one end of the connecting rod 79.

[0070] Embodiment 4:

[0071] The basic content is the same as that of Embodiment 1, the difference is:

[0072] See Figure 13 and Figure 14 The positioning device 6 includes a base 61, a support arm 62, and a counterweight 63. The base 61 is hemispherical. The lower side of the base 61 abuts against the positioning rotating shaft hole of the lower spherical hinge 1. The support arm 62 is arranged vertically. The upper end of the support arm 62 is connected with a prism 64. The prism 64 is arranged relative to the total station. The lower end of the support arm 62 passes through the base 61 and is located in the positioning rotating shaft hole of the lower spherical hinge 1. The counterweight 63 is connected to the lower end of the support arm 62.

[0073] In this embodiment, the counterweight 63 is in the shape of a frustum of a cone with a wider upper part and a narrower lower part. The upper end surface of the base 61 is a concave arc surface. The upper end of the support arm 62 is located above the base 61. The prism 64 is inserted into the upper end of the support arm 2. A boss 65 is connected to the center of the upper end surface of the base 61. The cross-section of the boss 65 is a trapezoid with a narrower upper part and a wider lower part. The lower end of the support arm 62 passes through the boss 65 and the base 61 in sequence and is located in the positioning rotating shaft hole. Grooves 67 are formed on the lower end surface of the boss 65 and the arc surface of the base 61. The grooves 67 are in the shape of a cone. A connecting block 66 is arranged at the center of the upper end surface of the boss 65. The lower end of the support arm 62 is inserted into the center of the connecting block 66. The connecting block 66 is cylindrical. The axes of the connecting block 66, the boss 65, and the base 61 coincide.

[0074] Embodiment 5:

[0075] The basic content is the same as that of Embodiment 1, except that:

[0076] See Figure 3 , the leveling device 8 includes a connecting rod 81, a backing plate 82, and a hydraulic cylinder 83. One end of the connecting rod 81 is hinged to the outside of the support backing plate 2. The backing plate 82 is hinged to the other end of the connecting rod 81. The mounting end of the hydraulic cylinder 83 is hinged to the upper side of the backing plate 82. The output end of the hydraulic cylinder 83 is connected to the lower edge of the lower ball joint 1.

[0077] In this embodiment, the hydraulic cylinder 83 is controlled by a digital hydraulic control system. When adjusting the inclination position of the lower ball joint 1, the digital hydraulic control system can control the hydraulic cylinder 83 to achieve precise telescoping at the micron level to ensure one-step precise adjustment.

Claims

1. A swivel bridge ball joint quick installation device, characterized in that: It comprises a supporting pad (2), a positioning steel ball (3), a plurality of fixing devices (4), a height adjustment device (5), a positioning device (6), a height adjustment detection device (7) and a plurality of leveling devices (8), wherein the supporting pad (2) is arranged horizontally, the positioning steel ball (3) is slidably connected to the upper side of the supporting pad (2), a plurality of the fixing devices (4) are installed on the upper side of the supporting pad (2), a plurality of the fixing devices (4) are evenly distributed along the circumferential direction and connected to the outer side of the positioning steel ball (3), the lower side of the height adjustment device (5) abuts against the upper side of the positioning steel ball (3), the upper side of the height adjustment device (5) is connected to the center of the lower side of the lower ball joint (1), the positioning device (6) is connected to the center of the upper side of the lower ball joint (1), a plurality of the leveling devices (8) are evenly distributed along the circumferential direction and connected to the lower side of the lower ball joint (1), and the height adjustment detection device (7) is connected to the edge of the lower ball joint (1); The height adjustment detection device (7) is used to measure the elevation value at the edge of the lower ball joint (1); The positioning device (6) is used to measure the three-dimensional spatial coordinate value of the center of the lower ball joint (1); The leveling device (8) is used to accurately level and adjust the overall height of the lower ball joint (1) according to the elevation value and the three-dimensional space coordinate value.

2. A swivel bridge ball joint quick installation device according to claim 1, characterized in that: Two V-shaped grooves (21) are provided on the upper side of the support pad (2), and the two V-shaped grooves (21) are orthogonally formed to form a cross-shaped V-shaped groove. The positioning steel ball (3) is hemispherical, and the end surface of the positioning steel ball (3) is located at the center of the cross-shaped V-shaped groove. The arc surface of the positioning steel ball (3) is connected to the lower side of the height adjustment device (5).

3. A swivel bridge ball joint quick installation device according to claim 2, characterized in that: The fixing device (4) comprises a fixing plate (41) and a fixing bolt (42); the fixing plate (41) is L-shaped; the horizontal portion of the fixing plate (41) is connected to the upper side of the supporting pad (2); the vertical portion of the fixing plate (41) is provided with a threaded hole; the fixing bolt (42) is threadedly connected to the threaded hole and the bottom end thereof abuts against the arc surface of the positioning steel ball (3).

4. A swivel bridge ball joint quick installation device according to claim 1, characterized in that: The height adjustment device (5) comprises an inner cylinder (51), an outer cylinder (52) and a nut (53); the outer cylinder (52) is slidably connected to the outer side of the inner cylinder (51) in the vertical direction; the axis of the outer cylinder (52) coincides with the central axis of the lower ball joint (1); the upper end of the outer cylinder (52) is located above the inner cylinder (51) and connected to the lower side of the lower ball joint (1); the inner cylinder (51) is stepped; the outer peripheral surface of the small diameter end of the inner cylinder (51) is provided with an external thread; the thread of the nut (53) is The outer tube (52) is connected to the external thread, and the lower end face of the outer tube (52) is coaxially connected to a receiving tube (55), the lower end face of the receiving tube (55) abuts against the upper end face of the nut (53), and the outer side face of the nut (53) is circumferentially threadedly connected to a plurality of screw rods (54), and the large diameter end of the inner tube (51) is connected to a support block (512), the lower side of the support block (512) matches the shape of the positioning steel ball (3), and the arc height of the support block (512) is less than the radius of the positioning steel ball (3).

5. A swivel bridge ball joint quick installation device according to claim 4, characterized in that: A plurality of rolling steel balls (56) are circumferentially arranged on the outer peripheral surface of the inner cylinder (51) near the upper end. The rolling steel balls (56) are rotatably connected to the inner cylinder (51) and the outer side thereof is in contact with the inner wall of the outer cylinder (52). The upper end surface of the inner cylinder (51) is provided with a plurality of rows of raceways (511) in the vertical direction. The plurality of rows of raceways (511) are evenly distributed on the outer peripheral surface of the inner cylinder (51) along the circumference. A plurality of rolling steel balls (56) are rotatably connected in each row of raceways (511). The outer side of the rolling steel balls (56) passes through the raceways (511) and then is in contact with the inner wall of the outer cylinder (52). The cross section of the raceways (511) is in an arc shape. The radius of the cross section of the raceways (511) matches the radius of the rolling steel balls (56) and ensures a minimum rotational clearance. The chord-center distance of the raceways (511) is smaller than the radius of the rolling steel balls (56).

6. A swivel bridge ball joint quick installation device according to claim 1, characterized in that: The height adjustment detection device (7) comprises a block (71), a support plate (72), a rotating rod (76), a connecting rod (79), a sector gear (710), a connecting gear (712), a bar code ruler (713), a fastening screw (73) and a top plate (74); the block (71) is C-shaped, the block (71) is fastened to the outer edge of the lower ball joint (1), the support plate (72) is vertically connected to the outer top wall of the block (71), and the fastening screw The top plate (74) is connected to the upper end of the tightening screw (73), the upper side of the top plate (74) is in contact with the lower side of the lower ball joint (1), a wrench (75) is inserted laterally at the lower end of the tightening screw (73), the shape of the inner top wall of the block (71) matches the arc surface of the lower ball joint (1), the rotating rod (76) is arranged horizontally and is threadedly connected to the support plate (72), and the rotating rod (76) is connected to the upper end of the tightening screw (73). One end of the rotating rod (76) is rotatably connected to a first clamp (77), the outer circumferential surface of the rotating rod (76) is connected to a second clamp (78), the first clamp (77) and the second clamp (78) are located on one side of the supporting plate (72), the connecting gear (712) and the fan gear (710) are both located between the first clamp (77) and the second clamp (78), the connecting gear (712) is sleeved on the rotating rod (76) and one end surface is connected to the second clamp ( 78), the sector gear (710) is meshedly connected to the connecting gear (712) and the upper side is hinged to one end of the connecting rod (79), the other end of the connecting rod (79) is connected to one side of the support plate (72), the bar code ruler (713) is connected to one end surface of the sector gear (710), the rotating rod (76) is stepped, and the first clamp (77) and the second clamp (78) are respectively rotatably connected to the small end of the rotating rod (76).

7. A swivel bridge ball joint quick installation device according to claim 6, characterized in that: One end of the rotating rod (76) is connected to a knob (714), the knob (714) is cylindrical and is located on the other side of the support plate (72), the outer circumferential surface of the knob (714) is provided with a plurality of anti-slip grooves (715) spaced apart along the circumferential direction, the outer circumferential surface of the rotating rod (76) is sleeved with a spring (716), one end of the spring (716) abuts against one end surface of the second clamp (78), the other end of the spring (716) is connected to the other side of the support plate (72), a ball joint (717) is connected between the connecting rod (79) and the fan gear (710), one end of the fan gear (710) is provided with a mounting hole (711), and the ball joint (717) is installed in the mounting hole (711).

8. The swivel bridge ball joint quick installation device according to claim 1, characterized in that: The positioning device (6) comprises a base (61), a support arm (62), and a counterweight (63); the base (61) is hemispherical, the lower side of the base (61) abuts against the positioning shaft hole of the lower ball joint (1); the support arm (62) is vertically arranged, the upper end of the support arm (62) is connected to a prism (64), the prism (64) is arranged relative to the total station, the lower end of the support arm (62) passes through the base (61) and is located in the positioning shaft hole of the lower ball joint (1), and the counterweight (63) is connected to the lower end of the support arm (62).

9. The swivel bridge ball joint quick installation device according to claim 1, characterized in that: The leveling device (8) comprises a connecting rod (81), a pad (82), and a hydraulic cylinder (83); one end of the connecting rod (81) is hinged to the outer side of the supporting pad (2); the pad (82) is hinged to the other end of the connecting rod (81); the mounting end of the hydraulic cylinder (83) is hinged to the upper side of the pad (82); and the output end of the hydraulic cylinder (83) is connected to the edge of the lower ball joint (1) on the lower side.

10. A method for using the swivel bridge ball joint quick installation device according to claim 3, characterized in that: The method of use comprises the following steps: Step 1: After the support pad (2) is leveled, place it at the bottom center of the lower ball joint (1) and fix it. Then, place the positioning steel ball (3) with the plane facing downward on the support pad (2), and drill a concave hole on the spherical surface of the center of the positioning steel ball (3) perpendicular to the bottom surface. Then, place a prism group in the concave hole at the top of the positioning steel ball (3) and use a total station to measure the plane coordinates of the corresponding center position of the lower ball joint (1). While measuring, rotate the fixing bolt (42) horizontally to fine-tune the plane position of the positioning steel ball (3) until the plane coordinates of the center of the positioning steel ball (3) completely coincide with the center coordinates of the lower ball joint (1). At this time, weld and fix the position of the positioning steel ball (3) at the junction of the bottom surface of the positioning steel ball (3) and the two V-grooves (21) of the support pad (2), thereby completing the plane positioning of the lower ball joint (1); Step 2: Place a height adjustment device (5) on the upper part of the positioning steel ball (3), hoist the lower ball joint (1) onto the ball joint height adjustment device (5), install multiple leveling devices (8) and a positioning frame (9) along the circumferential direction at the lower edge of the lower ball joint (1), and install a height adjustment detection device (7) at the top position of the outer edge of the lower ball joint (1). The height of the outer edge of the lower ball joint (1) is measured in sequence along the circumferential direction by the height adjustment detection device (7), and the average of the measured values ​​is used as a reference value for leveling. The top surface of the lower ball joint (1) is leveled by the leveling device (8) according to the difference between the measured value and the reference value, until the elevations of the outer edges of the lower ball joint (1) are all equal, and the leveling operation is completed; Step 3: After the leveling is completed, a positioning device (6) is placed on the upper end surface of the positioning shaft hole of the lower ball joint (1). The three-dimensional coordinates of the upper center of the positioning shaft hole of the lower ball joint (1) are obtained by the positioning device (6) and the total station. The height of the lower ball joint (1) is adjusted as a whole by the leveling device (8) according to the three-dimensional coordinate values. At the same time, the total station tracks and measures the coordinates of the positioning device (6) to monitor the elevation and coordinates during the fine-tuning process, so that the lower ball joint (1) can be quickly adjusted to the designed position. Step 4: After the adjustment is in place, connect the lower ball joint (1) around the periphery to the positioning frame (9), and remove the height adjustment device (5) and the leveling device (8).

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