Splicing jig frame for multi-lug-plate pin shaft connecting joints of davit

Abstract

The utility model discloses an assembling jig frame for a multi-lug-plate pin shaft connecting node of a davit, and belongs to the field of construction equipment. The assembling jig frame comprises a jig frame base, a fixed frame, a movable frame and a track. One side of the jig frame base is provided with a fixing frame for placing an upper davit, and the other side of the jig frame base is provided with a track; a moving frame used for placing the lower davit is arranged on the track, and the moving frame is in sliding connection with the track; a second jack for adjusting the horizontal position of the lower davit is arranged on the outer side wall of the lower davit; and a first jack for adjusting the vertical position of the lower davit is arranged below the tail part of the lower davit. The jig frame is used for assisting the pin shaft lug plates between the upper davit and the lower davit to be efficiently and conveniently spliced together in an inserted mode, the splicing efficiency of the davit pin shaft connecting joint on a construction site is improved, and waste of manpower and working hours is reduced. Meanwhile, the jig frame is used for assisting in assembly, the service life of a crane is shortened when the hanging column pin shaft connecting joints are assembled, and the mechanical use cost is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of construction equipment, specifically relating to an assembly frame for the multi-ear plate pin connection node of a hanging column. Background Technology

[0002] In steel structure installation projects, components need to be prefabricated in the factory before being transported to the construction site for assembly. Only after on-site assembly can the entire structure be hoisted. To ensure smooth component assembly, jigs are typically used to assist in the assembly process.

[0003] When steel hanging columns in suspended steel structure buildings are connected using multi-ear plate pin connection nodes, multiple pin plates are installed at both the upper and lower ends of the hanging columns. The gap between the pin plates of the upper hanging column is 3mm thicker than the pin plate of the lower hanging column, and vice versa. During assembly, the pin plates of the lower hanging column need to be inserted into the gaps between the pin plates of the upper hanging column. After aligning the pin holes on the pin plates of the lower and upper hanging columns, the pins are inserted to complete the assembly.

[0004] Traditionally, pin-connected joints are assembled by lifting the pins directly with a crane. However, since the gap between the pin lugs is only 3mm wider than the thickness of the lugs, high precision is required for assembly. Furthermore, the weight of the upper and lower suspension columns is significant, making adjustment difficult and further increasing the assembly complexity. This process consumes considerable manpower and time, resulting in high costs. Therefore, to improve the assembly efficiency of multi-lug pin-connected joints and reduce crane usage, there is an urgent need for a jig for assembling multi-lug pin-connected joints. Utility Model Content

[0005] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a splicing frame for the connection node of the hanging column ear plate pin.

[0006] The specific technical solution adopted in this utility model is as follows:

[0007] A jig for assembling multi-ear plate pin connection nodes for hanging columns includes a jig base, a fixed frame, a movable frame, and a track; a fixed frame for placing the upper hanging column is provided on one side of the jig base, and a track is provided on the other side of the jig base; a movable frame for placing the lower hanging column is provided on the track, and the movable frame and the track form a sliding connection.

[0008] The frame base includes two frame base longitudinal beams and several frame base transverse beams; the two frame base longitudinal beams are arranged in parallel and spaced apart, and several frame base transverse beams are vertically fixed between the frame base longitudinal beams; a set of fixing frames is fixed on the upper surface of each frame base transverse beam; each set of fixing frames includes a placement bracket, and a fixing short column is also provided on the side of the placement bracket near the movable frame to limit the relative position of the upper hanging column; the fixing short column is vertically fixed to the upper surface of the frame base transverse beam.

[0009] The track is mounted on the upper surface of the other side of the longitudinal beam of the frame base via a fastener; the movable frame includes two parallel longitudinal beams and two parallel transverse beams; each transverse beam is fixedly mounted with a first half-bracket and a second half-bracket, which are symmetrically arranged to jointly support the lower hanging column; a traveling wheel assembly is fixedly mounted on the lower surface of each longitudinal beam, and the traveling wheel assembly is slidably connected to the track; the movable frame slides along the track via the traveling wheel assembly.

[0010] Each movable frame base longitudinal beam has a reaction force adjustment rod vertically fixed on its upper surface. A second jack is provided between the reaction force adjustment rod and the lower hanging column placed on the movable frame. The bottom of the second jack abuts against the reaction force adjustment rod, and the top plate abuts against the outer side wall of the lower hanging column. The horizontal position of the lower hanging column is adjusted by the second jack. A first jack is provided between the tail of the lower hanging column and the crossbeam of the frame base below. The vertical position is adjusted by the first jack so that the pin lug at the front end of the lower hanging column can be smoothly inserted into the pin lug at the rear end of the upper hanging column.

[0011] Preferably, the longitudinal beam of the base and the transverse beam of the base are fixed together as a whole by welding; the fixing frame is fixed to the base of the base by welding.

[0012] Preferably, the placement bracket is composed of two parallel steel plates with semi-circular arcs, the two steel plates being of the same material and specifications, and the radius of the semi-circular arc portion being the same as the outer radius of the upper hanging column.

[0013] Preferably, both the first and second half-brackets are composed of two parallel arc-shaped steel plates, which are made of the same material and have the same specifications. The radius of the arc-shaped portion is the same as the outer radius of the lower hanging column. The centers of the arc-shaped portions of the first and second half-brackets coincide.

[0014] Preferably, there are at least two sets of walking wheel assemblies; each set of walking wheel assemblies includes two track wheels and one track wheel axle, the track wheels are fixedly installed on the lower part of the longitudinal beam of the mobile frame base; the two track wheels are connected to the longitudinal beam of the mobile frame base through the track wheel axle.

[0015] Preferably, bolts are used as the fasteners between the track and the longitudinal beam of the jig base.

[0016] Preferably, the spacing between each set of walking wheel assemblies is less than the length of the circular tube segment of the lower hanging column.

[0017] Preferably, the spacing between the two tracks is the same as the spacing between the two longitudinal beams of the jig base.

[0018] Preferably, the longitudinal beam of the base frame, the transverse beam of the base frame, the longitudinal beam of the base frame, and the transverse beam of the base frame are all H-beams.

[0019] Preferably, the reaction force adjusting rod is made of channel steel, angle steel or H-beam steel.

[0020] Compared with the prior art, this utility model has the following advantages:

[0021] The jig-assisted assembly allows for efficient and convenient insertion and assembly of the pin shaft lugs between the upper and lower suspension columns, improving the assembly efficiency of suspension column pin shaft connection nodes on the construction site and reducing the waste of manpower and time. At the same time, using the jig-assisted assembly method reduces the crane usage time during the assembly of suspension column pin shaft connection nodes compared to traditional assembly methods, thus lowering machinery operating costs. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of an assembly jig for a multi-ear plate pin connection node of a hanging column, provided in this embodiment.

[0023] Figure 2 A schematic diagram of the installation of the upper and lower hanging columns;

[0024] Figure 3 This is a schematic diagram showing the connection between the fixed frame and the movable frame;

[0025] Figure 4 This is a schematic diagram of the connection of the walking wheel assembly;

[0026] Figure 5 Schematic diagram of the assembly of the multi-ear plate pin connection node for the hanging column;

[0027] In the diagram: 1. Base of the frame; 101. Longitudinal beam of the frame base; 102. Crossbeam of the frame base; 2. Fixed frame; 201. Anti-corrosion bracket; 202. Fixed short column; 3. Moving frame; 301. Longitudinal beam of the moving frame base; 302. Crossbeam of the moving frame base; 303. First half bracket; 304. Second half bracket; 305. Walking wheel assembly; 3051. Track wheel axle; 3052. Reaction force adjusting rod; 306. First jack; 307. Second jack; 308. Track; 4. Upper hanging column; 5. Lower hanging column; 6. Detailed Implementation

[0028] To make the above-mentioned objectives, features, and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a full understanding of this utility model. However, this utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed below. Technical features in various embodiments of this utility model can be combined appropriately without conflict.

[0029] like Figure 1 and Figure 2 As shown, in a preferred embodiment of this utility model, this embodiment provides a jig for assembling a multi-ear plate pin connection node for a hanging column, including a jig base 1, a fixed frame 2, a movable frame 3, and a track 4. A fixed frame 2 for placing an upper hanging column 5 is provided on one side of the jig base 1, and a track 4 is provided on the other side; a movable frame 3 for placing a lower hanging column 6 is provided on the track 4, and the movable frame 3 and the track 4 form a sliding connection.

[0030] like Figure 3 As shown, the frame base 1 includes two longitudinal beams 101 and several transverse beams 102. The two longitudinal beams 101 are arranged in parallel and spaced apart. The transverse beams 102 are welded and fixed between the two parallel longitudinal beams 101. Each transverse beam 102 is perpendicular to the two longitudinal beams 101. In this embodiment, both the longitudinal beams 101 and the transverse beams 102 are made of H-beams. In other embodiments, the longitudinal beams 101 and the transverse beams 102 can also be made of square steel pipes or other suitable materials. Considering the stability of the device, in this embodiment, the two longitudinal beams 101 and the several transverse beams 102 are fixed into a whole by welding. In other embodiments, bolts or other methods can also be used for fixing.

[0031] In the device provided by this utility model, a set of fixing frames 2 are fixed on the upper surface of each jig base beam 102. The fixing frame 2 includes a placement bracket 201 composed of two parallel steel plates with semi-circular arcs. The two steel plates are made of the same material and have the same specifications, which facilitates uniform production in the factory. The radius of the semi-circular arc part is the same as the outer radius of the upper hanging column 5, so that the upper hanging column 5 will not shift to the sides when placed on the placement bracket 201, thus improving the assembly efficiency. A fixing short column 202 is also provided on one side of the placement bracket 201 near the movable frame 3 to limit the relative position of the stiffening plate of the upper hanging column 5. The fixing short column 202 is symmetrically and vertically fixed on the upper surface of the jig base beam 102 to prevent the upper hanging column 5 from rotating on the placement bracket 201 during the assembly process. In order to improve the limiting effect, in this embodiment, the fixing short column 202 is welded to the upper surface of the jig base beam 102 below the projection of the stiffening plate of the upper hanging column 5. Due to the large weight of the upper hanging column 5, and considering the stability of the device, both the placement bracket 201 and the fixing short column 202 are welded to the crossbeam 102 of the jig base.

[0032] In the device provided by this utility model, the track 4 is installed on the upper surface of the other side of the longitudinal beam 101 of the frame base by a fixing member, and the movable frame 3 is slidably installed on the track 4. In order to accommodate hanging columns of different lengths, the position of the track 4 may need to be adapted. Therefore, the track 4 is fixed to the longitudinal beam 101 of the frame base by a detachable fixing member. In this embodiment, the track 4 is fixedly installed to the longitudinal beam 101 of the frame base by bolts. The distance between the two tracks 4 is determined by the longitudinal beam 101 of the frame base. The distance between the two tracks 4 is the same as the distance between the longitudinal beam 101 of the frame base, and the width of the track 4 is less than the width of the longitudinal beam 101 of the frame base.

[0033] In the device provided by this utility model, the movable frame 3 includes two longitudinal beams 301 and two transverse beams 302. The two longitudinal beams 301 are arranged in parallel and spaced apart, and the two transverse beams 302 are fixed parallel to the ends of the two longitudinal beams 301. The longitudinal beams 301 and transverse beams 301 can be made of H-beams and are generally fixed by welding. In other embodiments, the longitudinal beams 301 and transverse beams 301 can also be made of suitable materials such as square steel pipes. A first half-bracket 303 and a second half-bracket 304 are symmetrically fixed on each transverse beam 302, and the first half-bracket 303 and the second half-bracket 304 together support the lower hanging column 6. The first half-bracket 303 and the second half-bracket 304 are both composed of two parallel, arc-shaped steel plates. For ease of manufacturing, the two steel plates are made of the same material and have the same specifications. The radius of the arc-shaped portion is the same as the outer radius of the lower hanging column 6, preventing the lower hanging column 6 from shifting to either side when placed on the first half-bracket 303 and the second half-bracket 304. Furthermore, the centers of the arc-shaped portions of the first half-bracket 303 and the second half-bracket 304 coincide, forming a complete semicircle to better restrict the movement of the lower hanging column 6 and to evenly distribute the weight of the lower hanging column 6, reducing local stress concentration. At least two sets of traveling wheel assemblies 305 are fixedly installed on the lower surface of each mobile frame base longitudinal beam 301. The traveling wheel assemblies 305 are typically fixed to the lower surface of the mobile frame base longitudinal beam 301 by welding. The traveling wheel assemblies 305 are slidably connected to the track 4, allowing the mobile frame 3 to slide along the track 4 via the traveling wheel assemblies 305. In this embodiment, two sets of traveling wheel assemblies 305 are provided. In other embodiments, the number of traveling wheel assemblies 305 can be adjusted according to the length and weight of the lower hanging column 6. The spacing between each set of traveling wheel assemblies 305 is less than the length of the circular tube segment of the lower hanging column 6. This design ensures the stability of the lower hanging column 6 when it moves on the moving frame 3 to a certain extent. Figure 4 As shown, each set of walking wheel assemblies 305 includes two track wheels 3051 and one track wheel axle 3052. The two track wheels 3051 are fixedly installed on the lower part of the longitudinal beam 301 of the mobile frame base, and are connected to the longitudinal beam 301 of the mobile frame base via the track wheel axle 3052. The width of the two track wheels 3051 matches the width of the track 4, and they are placed on the two tracks 4 respectively. The distance between the two track wheels 3051 is the same as the spacing between the two tracks 4, allowing the track wheels 3051 to slide flexibly back and forth on the track 4.

[0034] like Figure 5As shown, a reaction force adjusting rod 306 is vertically welded to the upper surface of each longitudinal beam of the movable frame base. This rod is used to adjust and fix the position of the lower hanging column 6 in conjunction with the jack. In this embodiment, the reaction force adjusting rod 306 can be made of materials such as channel steel, angle steel, or H-beam steel. A second jack 308 is provided between the reaction force adjusting rod 306 and the lower hanging column 6 placed on the movable frame 3. The bottoms of the two second jacks 308 abut against the reaction force adjusting rod 306, and their top plates abut against the outer side wall of the lower hanging column 6. A first jack 307 is provided between the tail of the lower hanging column 6 and the crossbeam 102 of the frame base below. The bottom of the first jack 307 is installed on the upper surface of the crossbeam 102 of the frame base, and its top plate abuts against the lower surface of the tail of the lower hanging column 6 during use. During assembly, if there is a deviation in the gap between the lower hanging column 6 pin shaft lug plate and the upper hanging column 5 pin shaft lug plate, the horizontal position of the lower hanging column 6 can be finely adjusted by adjusting the lifting height of the second jack 308, thereby adjusting the verticality of the gap between the lower hanging column 6 pin shaft lug plate and the upper hanging column 5 pin shaft lug plate. By raising the top plate of the first jack 307, the tail of the lower hanging column 6 is lifted, adjusting the vertical position of the lower hanging column 6, so that the pin shaft lug plate of the lower hanging column 6 can be smoothly inserted into the gap between the pin shaft lug plates of the upper hanging column 5.

[0035] Furthermore, this embodiment also provides an assembly method for a jig based on a multi-ear plate pin connection node of a hanging column, the specific steps of which include:

[0036] Step 1: Assemble the base 1, fixed frame 2, movable frame 3 and track 4 provided in this embodiment into a whole assembly frame;

[0037] Step 2: Place the upper hanging column 5 on the fixed frame 2. The rib plate of the upper hanging column 5 rests on the fixed short column 202. The fixed short column 202 restricts the position of the rib plate of the upper hanging column 5 to prevent the upper hanging column 5 from rotating relative to the frame.

[0038] Step 3: Place the lower hanging column 6 on the movable frame 3;

[0039] Step 4: The operator pushes the mobile frame 3 along the track towards the upper hanging column 5;

[0040] Step 5: Continue to push the moving frame 3 and slowly insert the pin lug of the lower hanging column 6 into the gap between the pin lugs of the upper hanging column 5;

[0041] Step 6: When there is a deviation in the relative verticality between the pin ear plate of the lower hanging column 6 and the pin ear plate of the upper hanging column 5, first, the bottom of the first jack 307 is pressed against the crossbeam 302 of the moving frame base, and the top plate of the first jack 307 is pressed against the tail of the lower hanging column 6. The tail of the lower hanging column 6 is slightly lifted by the top plate of the first jack 307. Then, the bottom of the second jack 308 is pressed against the reaction force adjustment rod 306, and the top plate of the second jack 308 is pressed against the lower hanging column 6. The horizontal position of the lower hanging column is finely adjusted by the top plate of the second jack 308, thereby adjusting the verticality of the gap between the pin ear plate of the lower hanging column 6 and the pin ear plate of the upper hanging column 5.

[0042] Step 6: After the verticality adjustment is completed, continue to push the movable frame 3 until the pin hole of the lower hanging column 6 is aligned with the center of the pin hole of the upper hanging column 5.

[0043] Step 7: Insert the pins to fix the upper hanging column 5 pin ear plate and the lower hanging column 6 pin ear plate together to complete the assembly.

[0044] The embodiments described above are merely preferred solutions of this utility model, and are not intended to limit the scope of this utility model. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of this utility model. Therefore, all technical solutions obtained by equivalent substitution or equivalent transformation fall within the protection scope of this utility model.

Claims

1. A jig for assembling multi-ear plate pin connection nodes of hanging columns, characterized in that, It includes a base (1), a fixed frame (2), a movable frame (3), and a track (4); a fixed frame (2) for placing an upper hanging column (5) is provided on one side of the base (1), and a track (4) is provided on the other side of the base (1); a movable frame (3) for placing a lower hanging column (6) is provided on the track (4), and the movable frame (3) and the track (4) are slidably connected; The base of the frame (1) includes two longitudinal beams (101) and several transverse beams (102); the two longitudinal beams (101) are arranged in parallel and spaced apart, and several transverse beams (102) are vertically fixed between the longitudinal beams (101); a set of fixing frames (2) is fixed on the upper surface of each transverse beam (102); each set of fixing frames (2) includes a placement bracket (201), and a fixing short column (202) is also provided on one side of the placement bracket (201) near the movable frame (3) to limit the relative position of the upper hanging column (5); the fixing short column (202) is vertically fixed to the upper surface of the transverse beam (102) of the frame. The track (4) is installed on the upper surface of the other side of the longitudinal beam (101) of the frame base by a fastener; the movable frame (3) includes two parallel longitudinal beams (301) and two parallel transverse beams (302) of the movable frame base; a first half bracket (303) and a second half bracket (304) are fixedly installed on each transverse beam (302), the first half bracket (303) and the second half bracket (304) are symmetrically arranged and together support the lower hanging column (6); a traveling wheel assembly (305) is fixedly installed on the lower surface of each longitudinal beam (301) of the movable frame base, and the traveling wheel assembly (305) is slidably connected to the track (4); the movable frame (3) slides along the track (4) through the traveling wheel assembly (305); Each vertical longitudinal beam (301) of the mobile frame base is vertically fixed with a reaction force adjustment rod (306). A second jack (308) is provided between the reaction force adjustment rod (306) and the lower hanging column (6) placed on the mobile frame (3). The bottom of the second jack (308) abuts against the reaction force adjustment rod (306), and the top plate abuts against the outer side wall of the lower hanging column (6). The horizontal position of the lower hanging column (6) is adjusted by the second jack (308). A first jack (307) is provided between the tail of the lower hanging column (6) and the cross beam (102) of the frame base below. The vertical position is adjusted by the first jack (307) so that the pin ear plate at the front end of the lower hanging column (6) can be smoothly inserted into the pin ear plate at the rear end of the upper hanging column (5).

2. The assembly jig for the multi-ear plate pin connection node of the hanging column according to claim 1, characterized in that, The longitudinal beam (101) and the transverse beam (102) of the base frame are fixed together as a whole by welding; the fixing frame (2) is fixed to the base frame (1) by welding.

3. The assembly jig for the multi-ear plate pin connection node of the hanging column according to claim 1, characterized in that, The placement bracket (201) is composed of two parallel steel plates with semi-circular arcs. The two steel plates are made of the same material and have the same specifications. The radius of the semi-circular arc part is the same as the outer radius of the upper hanging column (5).

4. The assembly jig for the multi-ear plate pin connection node of the hanging column according to claim 1, characterized in that, The first half bracket (303) and the second half bracket (304) are both composed of two parallel arc-shaped steel plates. The two steel plates are made of the same material and have the same specifications. The radius of the arc-shaped part is the same as the outer radius of the lower hanging column (6). The centers of the arc-shaped parts of the first half bracket (303) and the second half bracket (304) coincide.

5. The assembly jig for the multi-ear plate pin connection node of the hanging column according to claim 1, characterized in that, The walking wheel assembly (305) consists of no less than two sets; each set of walking wheel assembly (305) includes two track wheels (3051) and one track wheel axle (3052), the track wheels (3051) are fixedly installed on the lower part of the longitudinal beam (301) of the mobile frame base; the two track wheels (3051) are connected to the longitudinal beam (301) of the mobile frame base through the track wheel axle (3052).

6. The assembly jig for the multi-ear plate pin connection node of the hanging column according to claim 1, characterized in that, The fixings between the track (4) and the longitudinal beam (101) of the base frame are bolts.

7. The assembly jig for the multi-ear plate pin connection node of the hanging column according to claim 1, characterized in that, The spacing between each set of walking wheel assemblies (305) is less than the length of the circular tube segment of the lower hanging column (6).

8. The assembly jig for the multi-ear plate pin connection node of the hanging column according to claim 1, characterized in that, The spacing between the two tracks (4) is the same as the spacing between the two longitudinal beams (101) of the base frame.

9. The assembly jig for the multi-ear plate pin connection node of the hanging column according to claim 1, characterized in that, The longitudinal beam (101), transverse beam (102), longitudinal beam (301), and transverse beam (302) of the base of the moving frame are all H-beams.

10. The assembly jig for the multi-ear plate pin connection node of the hanging column according to claim 1, characterized in that, The reaction force adjusting rod (306) is made of channel steel, angle steel or H-beam steel.

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