Reverse construction method steel stand column mounting equipment

Abstract

The utility model discloses reverse construction method steel stand column installation equipment, which belongs to the field of deep foundation building construction, and comprises a self-adaptive centering clamping platform, a three-dimensional adjustable platform capable of moving in the front, back, left, right, up and down directions is fixedly arranged above the self-adaptive centering clamping platform, and the three-dimensional adjustable platform is fixedly arranged above the self-adaptive centering clamping platform. The self-adaptive centering clamping platform and the three-dimensional adjustable platform are provided with a first hole and a second hole respectively, the steel stand column can penetrate through the first hole and the second hole, and the self-adaptive centering clamping platform is provided with a leveling power execution element. The self-adaptive centering clamping platform is provided with a self-centering jaw assembly at the first hole, and the three-dimensional adjustable platform is provided with a clamping jaw assembly at the second hole. The device can adjust and correct slight errors generated when the steel stand column is grouted through the first insertion method, and the effects of effective clamping, center adjustment, angle adjustment, height adjustment and the like are achieved for the steel stand column through the later insertion method.

Description

Technical Field

[0001] The utility model relates to the technical field of deep foundation building construction, in particular to a reverse construction method steel column installation device. Background Art

[0002] In recent years, the reverse construction method for ultra-deep underground space development has been increasingly favored by design units and construction units. The reverse construction method of the foundation pit is to first construct the foundation pit support wall along the edge of the building basement or around the foundation pit, and at the same time construct the engineering piles and column piles inside the foundation pit, and then construct the basement negative layer top plate as a lateral support, and then excavate the earth layer by layer and cast each layer of underground structure until the bottom plate is sealed. The reverse construction method has the advantages of small deformation of the enclosure structure, small impact on adjacent buildings, small construction space occupation, shortened construction time, safe and civilized construction, etc.

[0003] Since national standards have strict control requirements on the construction quality, verticality and column center deviation of steel pipe (structure) columns, the existing construction methods are complex, unfavorable for operation, high cost, low construction efficiency, the design length of steel pipe (structure) columns is more than 50m, the verticality is required to be within 3‰, and there is abundant groundwater in the pile hole, which is not conducive to promotion.

[0004] Although some Chinese patent documents in recent years have disclosed some control technologies for steel pipe (structure) columns in reverse foundation pits, these technologies are better for adjusting steel pipe (structure) columns at a depth of about three negative floors, but it is difficult to ensure the adjustment of elevation, centering and verticality for design lengths of more than 50m. These patented technologies use a steel frame with a fixed elevation, set a horizontal support file with a corresponding elevation on the steel column or tool column, and control the elevation by hoisting the rigid column in place at one time.

[0005] The drawback of this method is that after installation, once the center offset occurs due to external reasons, it is basically impossible to calibrate and adjust afterwards. There are two methods for adjusting the center degree: one is to set a square frame center control device at the pile hole, and place the steel column down close to the center frame when hanging it. Since the steel column is heavy and is adjusted by a crane, a large error will occur. Once the crane is unhooked, if there is an error, it is impossible to perform subsequent verification and adjustment. The second is to set a round tube tool column for the steel pipe column, and adjust the verticality and center of the steel column by setting a frame and setting jacks in four directions on the frame. The center adjustment of this method is completed in the cooperation of the crane lifting and fixed at one time. The accuracy after the lifting is completed must rely on the stability of the bracket. Once movement and settlement occur, it cannot be adjusted again, especially when the concrete is poured and offset, an unqualified error will occur. For the verticality adjustment, it is adjusted by the jacks in four directions near the pile hole, and the slight offset at a deeper position cannot be adjusted at all.

[0006] Therefore, although the existing technology has been greatly improved, it still cannot meet the requirements for adjusting ultra-deep steel pipe (structure) columns.

[0007] At present, the construction methods adopted in the construction of steel columns are divided into the pre-insertion method and the post-insertion method. The pre-insertion method generally has defects such as simple equipment, low mechanization level, and low reliability of installation accuracy. There is no special insertion adjustment equipment, and at the same time, the slight errors generated during the pouring of piles cannot be adjusted. Its construction method is as follows: First, construct the concrete bearing piles and pour them under the basement structure. Then, set steel columns with opposite lower opening ends and upper opening ends in the same direction as the concrete bearing piles. The opening ends are buried in the upper part of the concrete bearing piles and connected to the beam bottom steel bars of the basement structure; a plurality of shear rings are arranged at intervals in the axial direction on the outside of the steel columns, and then fill and pour concrete to achieve the effect of pile-column integration.

[0008] At present, most domestic construction adopts the post-insertion method, and there is no special insertion equipment. Generally, a full rotation drill is used in combination with other equipment for construction, such as a pipe ramming machine or a pipe extraction machine, etc. (that is, using 2 full rotation drills, or 1 full rotation drill in combination with a pipe ramming machine / pipe extraction machine, etc. stacked together for construction). After the installation of the steel column is completed, it is necessary to wait for the ultra-high-strength concrete to completely solidify before moving the equipment at the same time. Generally, it takes 3 - 4 days for the ultra-high-strength concrete to completely solidify. Therefore, there are problems such as high equipment cost, extremely low equipment utilization rate, and difficulty in precise adjustment of the equipment, resulting in low construction efficiency, high construction cost, and difficulty in adjusting the center point and verticality, etc. Utility Model Content

[0009] The utility model provides an inverse construction method steel column installation device, which can adjust and correct the slight errors generated during the pouring of piles for the pre-insertion method steel columns, and can effectively clamp, adjust the center, adjust the angle, adjust the height, etc. for the post-insertion method steel columns.

[0010] The technical solution provided by the utility model is as follows:

[0011] An inverse construction method steel column installation device includes an adaptive centering and clamping platform. A three-dimensional adjustable platform that can move in the front, rear, left, right, up, and down directions is fixedly arranged above the adaptive centering and clamping platform. The adaptive centering and clamping platform and the three-dimensional adjustable platform are respectively provided with a first hole and a second hole for the steel column to pass through. The adaptive centering and clamping platform is provided with a leveling power execution element;

[0012] The adaptive centering and clamping platform is provided with a self-centering jaw assembly at the first hole, and the three-dimensional adjustable platform is provided with a clamping jaw assembly at the second hole.

[0013] Further, the three-dimensional adjustable platform includes a front-back adjustable platform, a left-right adjustable platform, and an up-down feeding platform;

[0014] The front-back adjustable platform is connected with a front-back displacement force actuator for controlling the movement of the front-back adjustable platform in the front-back direction;

[0015] The left-right adjustable platform is arranged above the front-back adjustable platform, and the left-right adjustable platform is connected with a left-right displacement force actuator for controlling the movement of the left-right adjustable platform relative to the front-back adjustable platform in the left-right direction;

[0016] The up-down feeding platform is arranged above the left-right adjustable platform, and the up-down feeding platform is connected with an up-down displacement force actuator for controlling the overall movement of the front-back adjustable platform, left-right adjustable platform and up-down feeding platform in the up-down direction;

[0017] The clamping jaw assembly is arranged on the up-down feeding platform or the left-right adjustable platform.

[0018] Further, the clamping jaw assembly includes at least two pairs of jaw blocks symmetrically arranged on both sides of the second hole. Each jaw block is connected with a linear telescopic clamping force actuator and a link transmission mechanism. The clamping force actuators and link transmission mechanisms of each pair of jaw blocks are symmetrically arranged. When the clamping force actuator extends, the jaw block moves upward through the link transmission mechanism, and the jaw block clamps inward.

[0019] Further, the clamping jaw assembly further includes a housing arranged around the second hole. The inner side of the housing is open, and the jaw block, clamping force actuator and link transmission mechanism are arranged inside the housing.

[0020] Further, the link transmission mechanism includes a first link and a second link. The jaw block is located inside the first link, second link and clamping force actuator;

[0021] The bottom end of the clamping force actuator is rotatably hinged to the bottom end of the outer side wall of the housing, and the top end is inclined inward and then rotatably hinged to the lower part of the jaw block; both ends of the first link are respectively rotatably hinged to the lower part of the jaw block and the middle part of the outer side wall of the housing, and the top end of the second link is rotatably hinged to the top end of the outer side wall of the housing, and the bottom end is inclined inward and then rotatably hinged to the upper part of the jaw block;

[0022] The connection line between the hinge point of the first link and the outer side wall of the housing and the hinge point of the second link and the outer side wall of the housing, the first link, the second link and the jaw block form a parallelogram.

[0023] Further, the up-and-down feeding platform is arranged on the vertical guiding structure and can move up and down along the vertical guiding structure. An upper fixed platform is arranged above the up-and-down feeding platform, and the upper fixed platform is fixedly arranged at the top end of the vertical guiding structure.

[0024] Further, an inclination sensor is arranged on the installation equipment for the reverse construction steel column.

[0025] Further, the self-aligning clamping platform includes a platform chassis. A self-aligning jaw assembly is arranged at the first hole in the platform chassis, and the leveling power actuator is arranged on the platform chassis.

[0026] Further, the self-aligning jaw assembly includes a pair of self-aligning jaw blocks symmetrically arranged on both sides of the first hole. Each self-aligning jaw block is connected with a self-aligning power actuator with linear expansion and contraction.

[0027] Further, an installation cavity is arranged in the platform chassis. The self-aligning jaw blocks are arranged in the installation cavity. The top surface and / or bottom surface of the self-aligning jaw blocks are in contact with the bottom surface and / or top surface of the installation cavity and can slide freely. The self-aligning jaw blocks push the self-aligning jaws to achieve automatic centering through the reaction force generated when clamping in contact with the steel column.

[0028] Further, positioning wheels are arranged on the outer sides of the self-aligning jaw blocks. The inner side surface of the positioning wheel is a positioning surface, and a surface structure matching the positioning surface is arranged on the outer side surface of the self-aligning jaw blocks.

[0029] Further, one end of the self-aligning power actuator is rotatably hinged to the self-aligning jaw block on the same side, and the other end is rotatably hinged to the platform chassis or the self-aligning jaw block on the other side.

[0030] The utility model has the following beneficial effects:

[0031] The utility model designs a special installation equipment for the reverse construction steel column. Through the three-dimensional adjustable platform, the slight errors generated during the pouring of the pre-inserted steel column can be adjusted and corrected, thereby improving the construction accuracy. And through the cooperation of the three-dimensional adjustable platform and the self-aligning clamping platform, the post-inserted steel column can use the integrated equipment of this machine, replacing the existing multiple sets of equipment, reducing the equipment cost, and achieving the effects of effective clamping, adjustable center, adjustable angle, adjustable height, etc. for the post-inserted steel column. Description of the Drawings

[0032] Figure 1 is a three-dimensional view of the installation equipment for the reverse construction steel column of the utility model;

[0033] Figure 2Schematic diagram when the clamping jaw assembly is loosened;

[0034] Figure 3 Schematic diagram when the clamping jaw assembly is clamped;

[0035] Figure 4 Schematic diagram showing various structures of the self - centering jaw assembly;

[0036] Figure 5 Schematic diagram of the adaptive centering clamping platform;

[0037] Figure 6 Schematic diagram of an example of the self - centering jaw assembly;

[0038] Figure 7 Side view of the adaptive centering clamping platform;

[0039] Figure 8 Schematic diagram of the automatic centering of the self - centering jaw assembly and the steel column. Specific implementation mode

[0040] To make the technical problems, technical solutions and advantages to be solved by the present utility model clearer, the following will be described in detail with reference to the accompanying drawings and specific embodiments.

[0041] The present utility model provides an installation device for a steel column in the top - down method, as Figure 1-8 shown, which includes an adaptive centering clamping platform 100. A three - dimensional adjustable platform 200 capable of moving in the front - back, left - right, up - down directions is fixedly arranged above the adaptive centering clamping platform 100. First holes 101 and second holes 201 for the steel column 9 to pass through are respectively opened on the adaptive centering clamping platform 100 and the three - dimensional adjustable platform 200. The adaptive centering clamping platform 100 is provided with a leveling power execution element 15.

[0042] The adaptive centering clamping platform 100 is provided with a self - centering jaw assembly 2 at the first hole 101, and the three - dimensional adjustable platform 200 is provided with a clamping jaw assembly 8 at the second hole 201.

[0043] The present utility model is applicable to the installation of steel columns by the pre - insertion method and the post - insertion method. For the pre - insertion method, the steel column is lowered before pouring concrete, and its construction sequence includes:

[0044] Step 1) First, place the equipment at the prepared hole position (completing the processes before lowering the lower steel column), with a center error of less than 100 mm. Use a crane to lift the steel column 9 and suspend it above the center point. First, make it stable, and then slowly lower it to near the elevation.

[0045] Step 2) Tighten the clamping jaw assembly 8 so that it is in close contact with the steel column 9 and generates pressure to clamp the steel column 9, ensuring that the steel column 9 is perpendicular and fastened to the three-dimensional adjustable platform 200.

[0046] Step 3) Turn on the equipment leveling, and adjust the angle of the self-adaptive centering clamping platform 100 through the leveling power actuator 15 to ensure the horizontality of the three-dimensional adjustable platform 200 and the verticality of the steel column 9.

[0047] Step 4) Move the three-dimensional adjustable platform 200 forward, backward, left, and right to make the center of the steel column reach the specified coordinate point.

[0048] Step 5) Move the three-dimensional adjustable platform 200 up and down to make the steel column 9 reach the calibrated height, then perform pouring, and pay attention to the levelness of the equipment and the coordinate position of the center point of the steel column at any time, and make adjustments at any time.

[0049] For the post-insertion method, the steel column is lowered after pouring the concrete, and its construction sequence includes:

[0050] Step 1) First, place the equipment at the prepared hole position (complete the processes before lowering the lower steel column), with a center error of less than 100 mm. Use a crane to lift the steel column 9 and suspend it above the center point. First, make it stable, and then slowly lower it to a position close to the poured concrete.

[0051] Step 2) When using the post-insertion method, a downward insertion action is required, so first push the three-dimensional adjustable platform 200 upward to a high position; then tighten the clamping jaw assembly 8 so that it is in close contact with the steel column 9 and generates pressure to clamp the steel column 9, ensuring that the steel column 9 is perpendicular and fastened to the three-dimensional adjustable platform 200.

[0052] Step 3) Turn on the equipment leveling, and adjust the angle of the self-adaptive centering clamping platform 100 through the leveling power actuator 15 to ensure the horizontality of the three-dimensional adjustable platform 200 and the verticality of the steel column 9.

[0053] Step 4) Move the three-dimensional adjustable platform 200 forward, backward, left, and right to make the center of the steel column reach the specified coordinate point.

[0054] Step 5) Lower the three-dimensional adjustable platform 200 so that the steel column 9 moves down together with the three-dimensional adjustable platform 200, the clamping jaw assembly 8, etc., and insert the lower end of the steel column 9 into the concrete.

[0055] Step 6) Tighten the self-centering jaw assembly 2 so that the self-centering jaw assembly 2 automatically presses against and clamps the steel column 9. The self-centering jaw assembly 2 can automatically center and couple and align itself when clamping the steel column 9.

[0056] Step 7) Loosen the clamping jaw assembly 8 to release it from the steel column 9, and then move the three-dimensional adjustable platform 200 upward back to the high position.

[0057] Step 8) Tighten the clamping jaw assembly 8 again to clamp the steel column 9, and then loosen the self - centering jaw assembly 2 to disengage it from the steel column 9.

[0058] Step 9) Repeat steps 5) to 8) to bring the steel column 9 to the calibrated height position.

[0059] Step 10) Keep an eye on the levelness of the equipment and the coordinate position of the center point of the steel column at all times, and adjustments can be made at any time during the insertion process.

[0060] The utility model designs a special installation device for the reverse - construction steel column. Through the three - dimensional adjustable platform, it can adjust and correct the slight errors generated during the pouring of the first - inserted steel column, thus improving the construction accuracy. And through the cooperation of the three - dimensional adjustable platform and the self - adaptive centering clamping platform, it can achieve the integration of using this machine for the later - inserted steel column, replacing the existing multiple sets of equipment, reducing the equipment cost, and achieving effective clamping, adjustable center, adjustable angle, adjustable height, etc. for the later - inserted steel column.

[0061] The utility model does not limit the specific implementation manner of the three - dimensional adjustable platform 200. In one example, the three - dimensional adjustable platform 200 includes a front - rear adjustable platform 4, a left - right adjustable platform 5, and an up - down feeding platform 6.

[0062] The front - rear adjustable platform 4 is connected with a front - rear displacement force execution element 13 that controls the movement of the front - rear adjustable platform 4 in the front - rear direction.

[0063] The left - right adjustable platform 5 is arranged above the front - rear adjustable platform 4. The left - right adjustable platform 5 is connected with a left - right displacement force execution element 12 that controls the movement of the left - right adjustable platform 5 relative to the front - rear adjustable platform 4 in the left - right direction.

[0064] The utility model adopts a multi - layer platform structure to achieve front - rear and left - right adjustability. Through the front - rear adjustable platform 4, the left - right adjustable platform 5 and their respective power execution elements, the movement in the front - rear and left - right directions is carried out to make the center of the steel column reach the specified coordinate point.

[0065] The up - down feeding platform 6 is arranged above the left - right adjustable platform 5. The up - down feeding platform 6 is connected with an up - down displacement force execution element 14 that controls the overall movement of the front - rear adjustable platform 4, the left - right adjustable platform 5, and the up - down feeding platform 6 in the up - down direction.

[0066] Through the up - down feeding platform 6 and its up - down displacement force execution element 14, the up - down feeding is realized.

[0067] The clamping jaw assembly 8 is arranged on the up - down feeding platform 6 or the left - right adjustable platform 5, so as to realize the front - rear, left - right movement and up - down feeding of the steel column.

[0068] The aforementioned up-and-down moving force actuator 14, the front-back adjustable platform 4, and the left-right adjustable platform 5 can be linear telescopic power actuators, which achieve up-and-down feeding and front-back and left-right adjustability through telescoping.

[0069] As Figure 2 , 3 shown, the aforementioned clamping jaw assembly 8 includes at least two pairs of jaw blocks 17 symmetrically arranged on both sides of the second hole. Each jaw block 17 is connected to a linear telescopic clamping power actuator 18 and a linkage mechanism. The linkage mechanism includes a first link 19 and a second link 20. The clamping power actuators 18 and the linkage mechanisms of each pair of jaw blocks 17 are symmetrically arranged. When the clamping power actuator 18 extends, the jaw block 17 moves upward through the linkage mechanism, and the jaw block 17 clamps the steel column 9 inwardly.

[0070] Specifically, the clamping jaw assembly 8 further includes a housing 21 arranged around the second hole. The inner side of the housing 21 is open, and the jaw blocks 17, the clamping power actuator 18, and the linkage mechanism are arranged inside the housing 21.

[0071] The jaw block 17 is located inside the first link 19, the second link 20, and the clamping power actuator 18. The bottom end of the clamping power actuator 18 is rotatably hinged to the bottom end of the outer side wall of the housing 21, and the top end is rotatably hinged to the lower part of the jaw block 17 after inclining inwardly. The two ends of the first link 19 are respectively rotatably hinged to the lower part of the jaw block 17 and the middle part of the outer side wall of the housing 21. The top end of the second link 20 is rotatably hinged to the top end of the outer side wall of the housing 21, and the bottom end is rotatably hinged to the upper part of the jaw block 17 after inclining inwardly.

[0072] The connection line between the hinge point of the first link 19 and the outer side wall of the housing 21 and the hinge point of the second link 20 and the outer side wall of the housing 21, the first link 19, the second link 20, and the jaw block 17 form a parallelogram structure.

[0073] For the above-mentioned clamping jaw assembly 8, when the clamping power actuator 18 shortens, the jaw block 17 moves downward and releases the steel column 9 outwardly, as Figure 2 shown. When the clamping power actuator 18 extends, the jaw block 17 moves upward and clamps the steel column 9 inwardly, as Figure 3 shown. The method of clamping the steel column 9 during the upward movement of the jaw block 17 from bottom to top is as follows: when the jaw block 17 contacts the steel column 9, during the downward insertion process of the steel column 9, under the action of concrete resistance and buoyancy, the steel column 9 moves upward, and the jaw block 17 and the steel column 9 move upward synchronously. During this movement process, the jaw block 17 continues to clamp until the clamping force of the jaw block 17 reaches the effect of overcoming the maximum buoyancy force, completely clamping the steel column 9, and the jaw block 17 will not loosen during the downward insertion process of the steel column 9.

[0074] The up-and-down feeding platform 6 is arranged on the vertical guiding structure 3. The vertical guiding structure 3 guides the up-and-down feeding platform 6 so that it can move up and down along the vertical guiding structure 3, ensuring the stability during the insertion process of the steel column. The vertical guiding structure 3 can be a set of guiding columns or a set of linear guide rails, etc.

[0075] Optionally, an upper fixed platform 7 is arranged above the up-and-down feeding platform 6 for fixing or connecting with other external devices.

[0076] For the convenience of equipment leveling, an inclination sensor 10 is arranged on the reverse construction steel column installation equipment of the present utility model. The leveling method in the aforementioned step 3) can specifically be: turning on the automatic leveling, and the equipment automatically adjusts the angle of the equipment through the data change of the inclination sensor 10 by means of the leveling power execution element 15 to ensure the horizontality of the three-dimensional adjustable platform 200 and the verticality of the steel column 9.

[0077] In the aforementioned steps 10) and 11), the equipment leveling can be carried out at any time by paying attention to the inclination sensor 10 at any time.

[0078] As an improvement of the embodiment of the present utility model, the aforementioned self-centering clamping platform 100 includes a platform chassis 1. A self-centering jaw assembly 2 is arranged at the first hole inside the platform chassis 1, and the leveling power execution element 15 is arranged on the platform chassis 1.

[0079] During the process of the self-centering jaw assembly 2 of the present utility model contacting and clamping the steel column, it can move freely within a certain space centered on the steel column to ensure self-adaptation to the steel column. When clamping the steel column, no acting force on the platform will be generated during the clamping process, so that the centering fails.

[0080] The present application does not limit the specific structural form of the self-centering jaw assembly 2, as long as it can achieve automatic centering. Various structural forms of self-centering jigs in the prior art can be used. In one example, the self-centering jaw assembly 2 includes a pair of self-centering jaw blocks 22 symmetrically arranged on both sides of the first hole. Each self-centering jaw block 22 is connected with a self-centering power execution element 23 with linear expansion and contraction, as Figure 4 shown. The self-centering jaw assembly 2 can automatically couple and align, and there will be no position deviation after the upper layer center is adjusted.

[0081] Specifically, an installation cavity 25 is provided inside the platform chassis 1. The self-centering jaw block 22 is arranged inside the installation cavity 25. The top surface and / or bottom surface of the self-centering jaw block 22 contacts and can freely slide on the bottom surface and / or top surface of the installation cavity 25. During construction, when the steel column 9 reaches the coordinate center, within a specified range, regardless of whether it is at the equipment center, the self-centering jaw block 22 will automatically find the center of the steel column 9 and clamp it. When the self-centering jaw block 22 performs the clamping operation, through the reaction force generated when the self-centering jaw block 22 contacts and clamps the steel column 9, the self-centering jaw block 22 and the steel column 9 are pushed to complete centering, achieving the purpose of self-adaptive centering.

[0082] A positioning wheel 26 is arranged on the outer side of the self-centering jaw block 22. The inner side surface of the positioning wheel 26 is a positioning surface 27 (such as an arc surface, an inclined surface, etc.). A surface structure matching the positioning surface 27 is arranged on the outer side surface of the self-centering jaw block 22. When the self-centering jaw block 22 is opened, through the contact friction between the outer side surface structure of the self-centering jaw block 22 and the positioning surface 27 of the positioning wheel 26, the self-centering jaw block 22 is opened to the initial position, achieving the purpose of the maximum through diameter.

[0083] Specifically, one end of the self-centering power actuator 23 is rotatably hinged to the self-centering jaw block 22 on the same side, and the other end can be rotatably hinged to the platform chassis 1 (as shown in (b) in Figure 4 ), or can be rotatably hinged to the self-centering jaw block on the other side (as shown in (a), (c), and (d) in Figure 4 ). Thus, automatic centering and automatic coupling alignment are achieved when clamping the steel column 9.

[0084] Figure 4 Among them, (a) is the clamping jaw in the flat push and pull tightening mode, (b) is the clamping jaw in the flat push and top tightening mode, and (c) and (d) are the clamping jaws in the clamp-shaped clamping mode.

[0085] In the present utility model, the three-dimensional adjustable platform 200 and the self-adaptive centering clamping platform 100 can be an integrated machine structure, or can be a split structure fixed together. In the split structure, a positioning and fixing structure 24 is arranged on the self-adaptive centering clamping platform 100 to achieve limiting and fixing, making the two into one.

[0086] For the specific structural forms, specific installation positions, and connection methods of the foregoing various power actuators, they can be selected according to needs. For example, various forms such as cylinders, oil cylinders, and motors can be selected, and the present utility model does not limit this.

[0087] The above is the preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the principle described in the present utility model, several improvements and refinements can still be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. An installation device for reverse construction steel columns, characterized in that, It includes an adaptive centering clamping platform, above which a three-dimensional adjustable platform capable of moving in the front, rear, left, right, up, and down directions is fixedly arranged. The adaptive centering clamping platform and the three-dimensional adjustable platform are respectively provided with a first hole and a second hole for a steel column to pass through. The adaptive centering clamping platform is provided with a leveling power execution element; The adaptive centering clamping platform is provided with a self-centering jaw assembly at the first hole, and the three-dimensional adjustable platform is provided with a clamping jaw assembly at the second hole.

2. The reverse construction steel column installation equipment according to claim 1, characterized in that The three-dimensional adjustable platform includes a front-rear adjustable platform, a left-right adjustable platform, and an up-down feeding platform; The front-rear adjustable platform is connected with a front-rear displacement power execution element for controlling the movement of the front-rear adjustable platform in the front-rear direction; The left-right adjustable platform is arranged above the front-rear adjustable platform, and the left-right adjustable platform is connected with a left-right displacement power execution element for controlling the movement of the left-right adjustable platform relative to the front-rear adjustable platform in the left-right direction; The up-down feeding platform is arranged above the left-right adjustable platform, and the up-down feeding platform is connected with an up-down displacement power execution element for controlling the overall movement of the front-rear adjustable platform, the left-right adjustable platform, and the up-down feeding platform in the up-down direction; The clamping jaw assembly is arranged on the up-down feeding platform or the left-right adjustable platform.

3. The reverse construction steel column installation equipment according to claim 2, characterized in that, The clamping jaw assembly includes at least two pairs of jaw blocks symmetrically arranged on both sides of the second hole. Each jaw block is connected with a linearly telescopic clamping power execution element and a link transmission mechanism. The clamping power execution elements and the link transmission mechanisms of each pair of jaw blocks are symmetrically arranged. When the clamping power execution element extends, the jaw block moves upward through the link transmission mechanism, and the jaw block clamps inward.

4. The reverse construction method steel column installation equipment according to claim 3, characterized in that The clamping jaw assembly further includes a housing arranged around the second hole. The inner side of the housing is open, and the jaw block, the clamping power execution element, and the link transmission mechanism are arranged inside the housing.

5. The reverse construction steel column installation equipment according to claim 4, characterized in that The link transmission mechanism includes a first link and a second link. The jaw block is located inside the first link, the second link, and the clamping power execution element; The bottom end of the clamping power execution element is rotatably hinged to the bottom end of the outer side wall of the housing, and the top end is rotatably hinged to the lower part of the jaw block after inclining inward. The two ends of the first link are respectively rotatably hinged to the lower part of the jaw block and the middle part of the outer side wall of the housing. The top end of the second link is rotatably hinged to the top end of the outer side wall of the housing, and the bottom end is rotatably hinged to the upper part of the jaw block after inclining inward; The connection line between the hinge point of the first link and the outer side wall of the housing and the hinge point of the second link and the outer side wall of the housing, the first link, the second link, and the jaw block form a parallelogram.

6. The reverse construction method steel column installation equipment according to claim 5, characterized in that, The up-down feeding platform is arranged on a vertical guiding structure and can move up and down along the vertical guiding structure. An upper fixed platform is arranged above the up-down feeding platform, and the upper fixed platform is fixedly arranged at the top end of the vertical guiding structure.

7. The reverse construction steel column installation equipment according to claim 6, characterized in that, An inclination sensor is arranged on the reverse construction steel column installation equipment.

8. The reverse construction method steel column installation equipment according to any one of claims 1-7, characterized in that, The adaptive centering clamping platform includes a platform chassis, and a self-centering jaw assembly is arranged at the first hole inside the platform chassis, and the leveling power actuator is arranged on the platform chassis.

9. The reverse construction steel column installation equipment according to claim 8, characterized in that, The self-centering jaw assembly includes a pair of self-centering jaw blocks symmetrically arranged on both sides of the first hole, and each self-centering jaw block is connected with a self-centering power actuator with linear expansion and contraction.

10. The reverse construction steel column installation equipment according to claim 9, characterized in that, An installation cavity is arranged inside the platform chassis, the self-centering jaw blocks are arranged inside the installation cavity, the top surface and / or the bottom surface of the self-centering jaw blocks are in contact with the bottom surface and / or the top surface of the installation cavity and can slide freely, and the self-centering jaws are pushed to achieve automatic centering by the reaction force generated when the self-centering jaw blocks are in contact with and clamp the steel column.

11. The reverse construction steel column installation equipment according to claim 10, characterized in that, A positioning wheel is arranged on the outer side of the self-centering jaw block, the inner side surface of the positioning wheel is a positioning surface, and a surface structure matching with the positioning surface is arranged on the outer side surface of the self-centering jaw block.

12. The reverse construction steel column installation equipment according to claim 11, characterized in that, One end of the self-centering power actuator is rotatably hinged to the self-centering jaw block on the same side, and the other end is rotatably hinged to the platform chassis or the self-centering jaw block on the other side.

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