A subway station steel support beam installation platform and a construction method thereof

Abstract

The present application relates to the technical field of subway station steel support beam installation, in particular to a subway station steel support beam installation platform and a construction method thereof, the upper end of the movable push plate is telescopically connected with an extension clamp plate, the extension clamp plate is clamped on the upper end side wall of the beam, a hook is rotatably installed at the front end of a fixed baffle, the other end of the hook is rotatably clamped on a rotating handle and an adjusting turbine to fix the rotating angle of the adjusting turbine, and the beneficial effects are that: the beam platform with an adjusting assembly is set, the adjusting turbine is spirally matched, the purpose of transverse pushing and compression fixing is achieved, the operation adjustment of the high-altitude installation position is facilitated, the position of the adjusting assembly after adjustment is further protected and fixed by using the set hook, the connection loosening caused by direction driving is avoided, the stability and fastening strength of installation are improved, and the safety of construction is enhanced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of steel support beam installation of subway station, in particular to a steel support beam installation platform of subway station and a construction method thereof. BACKGROUND

[0002] In the process of deep foundation pit construction of subway station, steel support is widely used because of its advantages such as higher construction speed, reusability and flexibility.

[0003] The existing steel support beam design of urban subway station generally welds four stiffening rib plates on the lattice column, then welds a flat plate on the stiffening rib plate, and places the beam on the flat plate to form a support system of the beam, so as to facilitate the installation of the beam.

[0004] The welding on the existing lattice column is high-altitude operation, the operation surface is narrow, the welding operation is difficult, and the flat plate after welding cannot guarantee that the beam does not displace and rotate during construction. After installation, it is difficult to accurately install, fix and adjust the components due to the high-altitude position, so that the beam cannot be stably installed. SUMMARY

[0005] The purpose of the present application is to provide a steel support beam installation platform of subway station and a construction method thereof to solve the problems in the background.

[0006] To achieve the above purpose, the present application provides the following technical scheme:

[0007] A steel support beam installation platform of subway station, comprising a beam platform and an adjusting assembly, the beam platform comprising: a top plate, a reinforcing plate, a side plate, a hanging strip and an arc-shaped groove, the top plate is fixedly connected with the side plate at right angles, a plurality of groups of reinforcing plates are linearly distributed and installed on the inner side wall of the right-angle connection position between the top plate and the side plate, the outer end of the top plate is provided with an arc-shaped groove, the upper end of the top plate is provided with a beam, one side of the side plate is provided with a hanging strip, and the hanging strip is hung and fixed on the lattice column;

[0008] The adjusting assembly comprises a fixed baffle, a movable push plate and a hook, the fixed baffle is fixed on one side of the top plate, a regulating turbine is rotatably installed on the right side of the fixed baffle, a rotating handle is arranged on the outside of the fixed baffle to drive the rotation of the regulating turbine, the regulating turbine is inserted into the lower end cavity of the arc-shaped groove, the movable push plate is located at the upper end of the top plate, a sliding block is slidably inserted into the arc-shaped groove at the lower end of the movable push plate, a lower worm is arranged at the lower end of the sliding block and engaged with the regulating turbine, the movable push plate is attached to the lower end of the beam, an extension clamp is telescopically connected to the upper end of the movable push plate and clamped on the upper end side wall of the beam, and the hook is rotatably installed at the front end of the fixed baffle, the other end of the hook is rotatably clamped on the rotating handle and the regulating turbine to fix the rotation angle of the regulating turbine.

[0009] Preferably, the tie beam platform is provided in two groups, and the two groups of tie beam platforms are symmetrically distributed on both sides of the lattice column, the front and rear ends of the side plate in the tie beam platform are provided with connecting columns, and the connecting columns between adjacent tie beam platforms are sleeved with nuts fastening extruded cross beams.

[0010] Preferably, the outer side end surface of the top plate is provided with a pair of screw holes, the fixed baffle is provided with mounting holes and stepped holes corresponding to the pair of screw holes, fastening bolts are threadedly screwed and inserted into the mounting holes corresponding to the screw holes, and lock screws are threadedly screwed and inserted into the stepped holes corresponding to the screw holes.

[0011] Preferably, the intermediate fixed sleeve of the adjusting turbine is sleeved with a pin shaft, a bearing inner hole is arranged on the inner wall of the arc-shaped groove, one end of the pin shaft is bearingly rotatably inserted into the bearing inner hole, the other end of the pin shaft extends to the outer side of the fixed baffle, the end of the pin shaft is provided with a connecting disc, a gap is left between the connecting disc and the front end surface of the fixed baffle, a guide insertion rod is arranged on the front end of the connecting disc, the handle is inserted and installed along the guide insertion rod, and the end of the handle is fastened and connected to the connecting disc through four groups of circumferential arrayed bolts.

[0012] Preferably, one end of the clamping hook is rotatably installed on the lock screw, the other end of the clamping hook is provided with an open clamping groove, the clamping groove is clamped in the gap between the connecting disc and the front end surface of the fixed baffle, and the inner wall of the clamping groove is pressed on the pin shaft.

[0013] Preferably, the front end of the lock screw is threadedly rotatably installed with a screw sleeve with a rotating wing plate, the rear side end surface of the clamping hook is provided with an elastic washer inserted corresponding to the stepped hole, the screw sleeve is threadedly rotatably pressed on the front end surface of the clamping hook, and the clamping hook pulls the elastic washer to be fastened and pressed on the stepped surface of the stepped hole.

[0014] Preferably, the lower end of the clamping groove is provided with a vertical plate, and clamping hook bolts are inserted through and clamped between adjacent vertical plates at the lower end opening of the clamping groove.

[0015] Preferably, the lower end of the movable push plate abuts against the upper end surface of the top plate, a plurality of groups of telescopic columns are vertically arranged on the upper end of the movable push plate, the upper ends of the telescopic columns are connected to extension clamps, and the side of the extension clamps close to the tie beam is provided with an open slot.

[0016] Preferably, the arc-shaped groove comprises a sliding groove, a linkage groove and an adjusting groove, the sliding block is transversely inserted and installed along the sliding groove, the lower worm is inserted and installed along the linkage groove, and the adjusting turbine is inserted and installed along the adjusting groove, the sliding groove, the linkage groove and the adjusting groove are vertically communicated, a pair of side grooves are symmetrically arranged on both sides of the sliding groove, and a side block is arranged on the side wall of the sliding block and slidably inserted into the side groove.

[0017] A construction method realized according to a subway station steel support beam tying platform, the construction method comprises the following steps:

[0018] S1: the beam tying platform is fixed on the lattice column through the hanging strip, and the adjusting assembly is installed on the beam tying platform;

[0019] S2: the beam is hoisted on the top plate of the beam tying platform, the adjusting worm wheel is driven to rotate through the handle, under the thread engagement with the lower worm, the lower worm and the movable push plate are driven to slide transversely, the position of the adjusting beam is pushed transversely and fixed through extrusion by the movable push plate;

[0020] S3: after being fixed, the clamping hook is rotated, so that the clamping hook is clamped and fixed on the handle, at this time, the clamping hook fixes the rotation angle of the handle, and it is ensured that the adjusting worm wheel cannot rotate counterclockwise.

[0021] Compared with the prior art, the beneficial effects of the present application are:

[0022] The beam tying platform with the adjusting assembly is arranged, the adjusting worm wheel is used for transverse pushing and fixed by screwing, the operation and adjustment of the high-altitude installation position are facilitated, the position of the adjusting assembly after adjustment is further protected and fixed by using the clamping hook, the connection is prevented from loosening due to direction driving, the stability and fastening strength of installation are improved, and the safety of construction is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present application;

[0024] Figure 2 It is Figure 1 the structure of A in the middle is an enlarged view;

[0025] Figure 3 It is a schematic diagram of the beam tying platform structure of the present application;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the beam tying platform of the present application;

[0027] Figure 5 It is a schematic diagram of the movable push plate of the present application;

[0028] Figure 6 It is a schematic diagram of the fixed baffle of the present application;

[0029] Figure 7 It is a schematic diagram of the clamping hook of the present application.

[0030] In the figure: 1, lattice column; 2, top plate; 3, crossbeam; 4, reinforcing plate; 5, side plate; 6, fixed baffle; 7, tie beam; 8, connecting column; 9, movable push plate; 10, extension clamp plate; 11, telescopic column; 12, arc-shaped groove; 13, handle; 14, hook; 15, locking screw; 16, screw sleeve; 17, adjusting turbine; 18, pin shaft; 19, mounting hole; 20, stepped hole; 21, connecting disc; 22, guide insertion rod; 23, hook bolt; 24, elastic washer; 25, clamping groove; 26, sliding block; 27, lower worm; 28, side block; 29, hanging strip; 30, sliding groove; 31, screw hole; 32, adjusting groove; 33, linkage groove; 34, bearing inner hole; 35, side groove. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0032] Please refer to Figures 1 to 7 The present application provides a technical solution:

[0033] Embodiment 1

[0034] A subway station steel support tie beam installation platform, comprising a tie beam platform and an adjusting assembly, the tie beam platform comprising: a top plate 2, a reinforcing plate 4, a side plate 5, a hanging strip 29 and an arc-shaped groove 12, the top plate 2 is fixedly connected with the side plate 5 at right angles.

[0035] A plurality of sets of reinforcing plates 4 distributed linearly are installed on the inner side wall of the right angle connection position between the top plate 2 and the side plate 5, the outer end of the top plate 2 is provided with an arc-shaped groove 12, the upper end of the top plate 2 is provided with a tie beam 7, one side of the side plate 5 is provided with a hanging strip 29, and the hanging strip 29 is hung and fixed on the lattice column 1.

[0036] The tie beam platform is conveniently fixed and installed on the lattice column 1 through the hanging strip 29.

[0037] The adjusting assembly comprises a fixed baffle 6, a movable push plate 9 and a hook 14. The fixed baffle 6 is fixed on one side of the top plate 2. A regulating turbine 17 is rotatably installed on the right side of the fixed baffle 6. A rotating handle 13 is arranged on the outer side of the fixed baffle 6 to drive the regulating turbine 17 to rotate. The regulating turbine 17 is inserted into the inner cavity of the lower end of the arc-shaped slot 12. The movable push plate 9 is located at the upper end of the top plate 2. A sliding block 26 is arranged at the lower end of the movable push plate 9 and is slidingly inserted into the arc-shaped slot 12. A lower worm 27 is arranged at the lower end of the sliding block 26 and is engaged with the regulating turbine 17. The movable push plate 9 is attached to the lower end of the tie beam 7. An extension clamping plate 10 is telescopically connected to the upper end of the tie beam 7. The hook 14 is rotatably installed on the front end of the fixed baffle 6. The other end of the hook 14 is rotatably clamped on the rotating handle 13 and the regulating turbine 17 to fix the rotating angle of the regulating turbine 17.

[0038] By arranging the adjusting assembly, the rotating handle 13 drives the regulating turbine 17 to rotate, and then the regulating turbine 17 is engaged with the lower worm 27 to drive the lower worm 27 and the movable push plate 9 to slide horizontally, so that the movable push plate 9 is tightly pressed against the side wall of the tie beam 7, realizing the horizontal pushing and extrusion fixing of the tie beam 7. After fixing, the rotating of the hook 14 achieves the purpose of fixing the rotating angle of the rotating handle 13, ensuring that the regulating turbine 17 will not rotate counterclockwise.

[0039] Embodiment 2:

[0040] Based on the embodiment 1, the tie beam platform is arranged in two groups, which are symmetrically distributed on both sides of the lattice column 1. The front and rear ends of the side plate 5 in the tie beam platform are provided with connecting columns 8. The connecting columns 8 between the adjacent tie beam platforms are sleeved with the nut fastening extrusion beam 3.

[0041] By arranging the connecting columns 8 and the beam 3, the connection between the adjacent tie beam platforms is realized, and the connection and installation strength of the tie beam platform is strengthened.

[0042] A pair of screw holes 31 are arranged on the outer end surface of the top plate 2. A mounting hole 19 and a stepped hole 20 corresponding to the pair of screw holes 31 are arranged on the fixed baffle 6. A fastening bolt is threadedly and rotatably inserted into the mounting hole 19 corresponding to the screw hole 31. A locking screw 15 is threadedly and rotatably inserted into the stepped hole 20 corresponding to the screw hole 31.

[0043] By arranging the screw hole 31, the mounting hole 19 and the stepped hole 20, the fastening and installation of the fixed baffle 6 on the top plate 2 is realized.

[0044] The middle fixed sleeve of the adjusting turbine 17 is provided with a pin shaft 18, the inner wall of the arc-shaped slot 12 is provided with a bearing inner hole 34, one end of the pin shaft 18 is rotatably inserted into the bearing inner hole 34, the other end of the pin shaft 18 extends to the outside of the fixed baffle 6, the end of the pin shaft 18 is provided with a connecting disc 21, a gap is left between the connecting disc 21 and the front end face of the fixed baffle 6, the front end of the connecting disc 21 is provided with a guide insertion rod 22, the handle 13 is inserted and installed along the guide insertion rod 22, and the end of the handle 13 is fastened and connected with the connecting disc 21 through four groups of circumferential array bolts.

[0045] The cooperation of the pin shaft 18 and the bearing inner hole 34 realizes the bearing rotation of the adjusting turbine 17.

[0046] One end of the clamping hook 14 is rotatably installed on the locking screw 15, the other end of the clamping hook 14 is provided with an open clamping groove 25, the clamping groove 25 is clamped in the gap between the connecting disc 21 and the front end face of the fixed baffle 6, the inner wall of the clamping groove 25 is pressed on the pin shaft 18, the lower end of the clamping groove 25 is provided with a vertical plate, and the adjacent vertical plates at the lower end of the clamping groove 25 are provided with clamping hook bolts 23 which are inserted through.

[0047] The cooperation of the rotatably installed clamping hook 14 and the clamping groove 25 achieves the purpose of limiting the rotation angle of the pin shaft 18, and the position of the clamping groove 25 is fixed through the clamping hook bolts 23.

[0048] Embodiment 3:

[0049] On the basis of embodiment 2, the front end of the locking screw 15 is rotatably installed with a threaded sleeve 16 with a rotating wing plate, the rear end face of the clamping hook 14 is provided with an elastic washer 24 which is inserted into the stepped hole 20, the threaded sleeve 16 is rotatably pressed on the front end face of the clamping hook 14 along the locking screw 15, and the clamping hook 14 pulls the elastic washer 24 to be tightly pressed on the stepped face of the stepped hole 20.

[0050] Through the cooperation of the threaded sleeve 16 and the locking screw 15, when the threaded sleeve 16 is away from the clamping hook 14, the elastic washer 24 is rotatably installed in the stepped hole 20, realizing the free rotation of the clamping hook 14, and when the clamping groove 25 is fixed, the threaded sleeve 16 laterally extrudes the clamping hook 14 through the rotation of the threaded sleeve 16 on the locking screw 15, so that the elastic washer 24 is deformed and shrunk and is tightly pressed on the stepped face of the stepped hole 20, achieving the purpose of the position of the clamping hook 14.

[0051] Embodiment 4:

[0052] On the basis of embodiment 3, the lower end of the movable push plate 9 is attached to the upper end face of the top plate 2, the upper end of the movable push plate 9 is vertically provided with a plurality of groups of linearly distributed telescopic columns 11, the upper end of the telescopic column 11 is connected with the extension clamping plate 10, and the side of the extension clamping plate 10 close to the tie beam 7 is provided with an open slot.

[0053] By setting the telescopic column 11, the height of the extension clamp plate 10 is adjusted, so that the extension clamp plate 10 is pushed laterally and pressed into the sleeve joint at the upper end of the tie beam 7, avoiding the deviation of the force from the center of gravity of the tie beam 7, causing deviation during pushing, and realizing stable lateral pushing.

[0054] Embodiment 5:

[0055] On the basis of embodiment 4, the arc-shaped groove 12 includes a sliding groove 30, a linkage groove 33 and an adjusting groove 32, the sliding block 26 is installed in the sliding groove 30 in transverse insertion, the lower worm 27 is installed in the linkage groove 33 in insertion, the adjusting turbine 17 is installed in the adjusting groove 32 in insertion, the sliding groove 30, the linkage groove 33 and the adjusting groove 32 are vertically communicated, and a pair of side grooves 35 are symmetrically arranged on both sides of the sliding groove 30, and the side wall of the sliding block 26 is provided with a side block 28 which is inserted in the side groove 35.

[0056] By setting the arc-shaped groove 12, the insertion installation of the adjusting assembly is realized, the height of the sliding block 26 is fixed by the cooperation of the side block 28 and the side groove 35, and the lateral stability of the movable push plate 9 is ensured.

[0057] A construction method realized by the subway station steel support tie beam installation platform, the construction method comprises the following steps:

[0058] S1: fixing the tie beam platform on the lattice column 1 through the hanging strip 29, and installing the adjusting assembly on the tie beam platform;

[0059] S2: hoisting the tie beam 7 on the top plate 2 of the tie beam platform, driving the adjusting turbine 17 to rotate by the handle 13, driving the lower worm 27 and the movable push plate 9 to slide laterally under the thread engagement with the lower worm 27, and pushing the position of the adjusting tie beam 7 laterally by the movable push plate 9 and fixing it by extrusion;

[0060] S3: after fixing, rotating the clasp 14 so that the clasp 14 is clamped and fixed on the handle 13, at this time the clasp 14 fixes the rotation angle of the handle 13, and ensures that the adjusting turbine 17 will not rotate counterclockwise.

[0061] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel support tie beam installation platform for a subway station, comprising a tie beam platform and an adjustment assembly, characterized in that: The tie beam platform includes: a top plate (2), a reinforcing plate (4), a side plate (5), a hanging strip (29), and an arc groove (12). The top plate (2) and the side plate (5) are fixedly connected at right angles. Multiple sets of reinforcing plates (4) are linearly distributed and installed on the inner side wall of the right angle connection position between the top plate (2) and the side plate (5). An arc groove (12) is provided at the outer end of the top plate (2). A tie beam (7) is provided at the upper end of the top plate (2). A hanging strip (29) is provided on one side of the side plate (5). The hanging strip (29) is hung and fixed on the lattice column (1). The adjustment assembly includes a fixed baffle (6), a movable push plate (9), and a hook (14). The fixed baffle (6) is fixed to one side of the top plate (2). An adjustment turbine (17) is rotatably installed on the right side of the fixed baffle (6). A handle (13) for driving the adjustment turbine (17) to rotate is provided on the outer side of the fixed baffle (6). The adjustment turbine (17) is inserted into the lower end cavity of the arc groove (12). The movable push plate (9) is located at the upper end of the top plate (2). The lower end of the movable push plate (9) is provided with a sliding insertion into the arc groove (14). 2) The slider (26) is provided with a lower worm (27) that meshes with the adjusting turbine (17) at its lower end. The movable push plate (9) is attached to the lower end of the tie beam (7). The upper end of the movable push plate (9) is connected to an extension clamp (10). The extension clamp (10) is clamped on the upper side wall of the tie beam (7). The hook (14) is rotatably installed at the front end of the fixed baffle (6). The other end of the hook (14) is rotatably locked with the handle (13) and the adjusting turbine (17) to fix the rotation angle of the adjusting turbine (17). The tie beam platform is set in two groups, and the two groups of tie beam platforms are symmetrically distributed on both sides of the lattice column (1). The front and rear ends of the side plate (5) of the tie beam platform are provided with connecting columns (8). The connecting columns (8) between adjacent tie beam platforms are connected with nuts to tighten the crossbeam (3). The outer end face of the top plate (2) is provided with a pair of screw holes (31). The fixed baffle (6) is provided with mounting holes (19) and stepped holes (20) corresponding to the pair of screw holes (31). The mounting holes (19) and the screw holes (31) are threaded and inserted with fastening bolts at the positions corresponding to the screw holes (31). The stepped holes (20) and the screw holes (31) are threaded and inserted with locking screws (15).

2. The installation platform for steel support tie beams in a subway station according to claim 1, characterized in that: The regulating turbine (17) is fixedly fitted with a pin (18) in the middle. The inner wall of the arc groove (12) is provided with a bearing inner hole (34). One end of the pin (18) is rotatably inserted into the bearing inner hole (34). The other end of the pin (18) extends to the outside of the fixed baffle (6). The end of the pin (18) is provided with a connecting plate (21). There is a gap between the connecting plate (21) and the front end face of the fixed baffle (6). The front end of the connecting plate (21) is provided with a guide rod (22). The rotating handle (13) is inserted and installed along the guide rod (22). The end of the rotating handle (13) is fastened to the connecting plate (21) by four sets of bolts in a circumferential array.

3. The installation platform for steel support tie beams in a subway station according to claim 2, characterized in that: One end of the hook (14) is rotatably mounted on the locking screw (15), and the other end of the hook (14) is provided with an open groove (25). The groove (25) is engaged in the gap between the connecting plate (21) and the front end face of the fixed baffle (6), and the inner wall of the groove (25) is pressed against the pin (18).

4. The installation platform for steel support tie beams in a subway station according to claim 3, characterized in that: The front end of the locking screw (15) is threadedly mounted with a screw sleeve (16) with a rotating wing plate. The rear end face of the hook (14) is provided with an elastic washer (24) that is inserted into the stepped hole (20). The screw sleeve (16) rotates along the thread of the locking screw (15) and presses against the front end face of the hook (14). The hook (14) pulls the elastic washer (24) to be fastened and pressed against the stepped surface of the stepped hole (20).

5. The installation platform for steel support tie beams in a subway station according to claim 3, characterized in that: A vertical plate is provided at the lower end of the slot (25), and a through-hole hook bolt (23) is provided between adjacent vertical plates at the lower end opening of the slot (25).

6. The installation platform for a steel support tie beam in a subway station according to claim 1, characterized in that: The lower end of the movable push plate (9) is attached to the upper surface of the top plate (2). Multiple sets of telescopic columns (11) are vertically arranged at the upper end of the movable push plate (9). The upper end of the telescopic column (11) is connected to the extension clamp (10). The extension clamp (10) has an opening groove on the side near the tie beam (7).

7. The installation platform for steel support tie beams in a subway station according to claim 1, characterized in that: The arc-shaped groove (12) includes a sliding groove (30), a linkage groove (33), and an adjustment groove (32). The slider (26) is installed horizontally along the sliding groove (30), the lower worm (27) is installed along the linkage groove (33), and the adjustment turbine (17) is installed along the adjustment groove (32). The sliding groove (30), the linkage groove (33), and the adjustment groove (32) are vertically connected. A pair of side grooves (35) are symmetrically arranged on both sides of the sliding groove (30). A side block (28) that slides into the side groove (35) is provided on the side wall of the slider (26).

8. A construction method for installing a steel support tie beam in a subway station according to any one of claims 1-7, characterized in that: The construction method includes the following steps: S1: Fix the tie beam platform to the lattice column (1) by means of the hanging strip (29), and install the adjustment component on the tie beam platform; S2: Hoist the tie beam (7) onto the top plate (2) of the tie beam platform, drive the adjusting turbine (17) to rotate using the handle (13), and drive the lower worm (27) and the movable push plate (9) to slide laterally under the thread engagement with the lower worm (27), and use the movable push plate (9) to push and adjust the position of the tie beam (7) laterally and press and fix it. S3: After fixing, rotate the hook (14) so ​​that the hook (14) is locked on the handle (13). At this time, the hook (14) fixes the rotation angle of the handle (13) to ensure that the adjusting turbine (17) will not rotate counterclockwise.

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