A suspended wedge adjustment support mechanism

Abstract

The present invention relates to a suspended wedge block adjustment support mechanism, comprising a steel beam, a plurality of welded hangers are fixedly connected above the steel beam, a suspension support mechanism is fixed below the steel beam, a first pad is sandwiched between the steel beam and the welded hanger, at least one wedge mechanism is provided between the steel beam and the suspension support mechanism, fixedly connected to the steel beam and the suspension support mechanism respectively, and a second pad is sandwiched between the wedge mechanism and the steel beam. The suspended wedge block adjustment support mechanism of the present invention is welded to the top of the tunnel by a welded steel beam assembly, and a beam element is fixed by the suspension support mechanism, so that the beam element is suspended in the tunnel; ground settlement compensation can be achieved by adjusting the thickness of the first pad and the second pad; the position of the suspension support mechanism and the beam element can be precisely adjusted by the wedge mechanism.

Description

Technical Field

[0001] The present invention relates to the field of beam precision adjustment, and more particularly to a suspended wedge adjustment support mechanism for supporting a beam element. Background Art

[0002] The engineering support design of advanced light source large scientific facilities must meet the requirements of ground settlement compensation, precision adjustment, stability, structural strength and rigidity. In particular, the new generation of light source devices in soft soil tunnels have put forward higher indicators, requiring the beam elements to be suspended and fixed, the settlement compensation range to be no less than 40mm, the adjustment accuracy to be greater than 0.1mm, and the structure to withstand a load of no less than 2t without plastic deformation and obvious elastic deformation, and the structure to not loosen or even deform under certain working conditions with vacuum force.

[0003] The equipment adjustment support mechanism of existing advanced light source large scientific facilities is usually supported on the ground, including a first-layer support and a second-layer support. The first-layer support is fixed on the ground, and the second-layer support is fixed on the first-layer support. At least one of the two can achieve precise adjustment.

[0004] However, the existing adjustment support mechanism is ground-supported, which is only applicable to the case where the beam element is supported on the ground, and cannot be used in the case where the beam element needs to be suspended and fixed, such as in soft soil tunnels. Summary of the invention

[0005] The object of the present invention is to provide a suspended wedge adjustment support mechanism to suspend and support a beam element and simultaneously meet the requirements of ground settlement compensation, precision adjustment, stability, structural strength and rigidity.

[0006] The present invention provides a suspended wedge block adjustment support mechanism, comprising a steel beam, a plurality of welding hangers are fixedly connected above the steel beam, a suspension support mechanism is fixed below the steel beam, a first pad is sandwiched between the steel beam and the welding hangers, at least one wedge block mechanism is arranged between the steel beam and the suspension support mechanism, and is respectively fixedly connected to the steel beam and the suspension support mechanism, and a second pad is sandwiched between the wedge block mechanism and the steel beam.

[0007] Furthermore, the welding hanger comprises a welded steel beam assembly and a hanger column which are fixedly connected to each other, and the hanger column is fixed on the steel beam.

[0008] Furthermore, the welded steel beam assembly includes a welded steel beam and a C-type clamp assembly fixed at the bottom of the welded steel beam, and the bottom of the welded steel beam is also fixedly connected to the suspension column; the C-type clamp assembly includes a C-type clamp, bolts, a support plate and a screw rod, the bolts are fixed at the top of the C-type clamp, the screw rod is fixed at the bottom of the C-type clamp, the support plate is sleeved on the top of the screw rod, and the C-type clamp is fixedly connected to the welded steel beam through the bolts.

[0009] Furthermore, the steel beam comprises two H-shaped steels which are parallel and spaced apart, the two ends of the two H-shaped steels are respectively welded together by a channel steel, and the web of the H-shaped steel is welded with reinforcing ribs.

[0010] Furthermore, the suspension column includes two H-shaped steel welded parts respectively fixed on the upper wing plates of two H-shaped steels, and a welding plate is welded on the upper wing plate of the H-shaped steel. The upper wing plate of the H-shaped steel and the welding plate are provided with waist holes along the length direction of the steel beam, and the H-shaped steel welded parts are correspondingly provided with waist holes along the length direction perpendicular to the steel beam. The H-shaped steel welded parts are fixedly connected to the H-shaped steel by bolts passing through the waist holes.

[0011] Furthermore, the suspension support mechanism includes two spaced-apart connecting hangers, which are fixedly connected to the steel beam; a support box is provided below the connecting hanger, and the connecting hanger includes a channel steel welded part, on which a large pad is provided, and two tensioning screws pass through the large pad and the channel steel welded part in turn and are screwed into the support box and fixed by nuts.

[0012] Furthermore, at least one diagonal brace assembly is arranged on the side of the support box, and the diagonal brace assembly includes an upper joint bearing support, a left rod end bearing fixing shaft, a right rod end bearing fixing shaft, a left-handed rod end joint bearing, a right-handed rod end joint bearing, a joint bearing adjustment block and a side joint bearing support, the upper joint bearing support is fixedly connected to the steel beam, the left-handed rod end joint bearing and the left rod end bearing fixing shaft are fixed on the upper joint bearing support, the right-handed rod end joint bearing and the right rod end bearing fixing shaft are fixed on the side joint bearing support, two ends of the joint bearing adjustment block are threadedly connected to the left-handed rod end joint bearing and the right-handed rod end joint bearing, respectively, and the side joint bearing support is fixedly connected to the support box.

[0013] Furthermore, the wedge block mechanism includes a wedge block adjustment frame, an upper wedge block, a lower wedge block and a fixing screw. The wedge block adjustment frame is fixedly connected to the steel beam, and the fixing screw passes through the wedge block adjustment frame, the upper wedge block, the lower wedge block and the support box in sequence and is fixed by a nut.

[0014] Furthermore, the wedge block adjustment frame includes a wedge block support top plate, a first wedge block side support plate, a second wedge block side support plate, a third wedge block side support plate, a fourth wedge block side support plate and a wedge block friction reduction plate, the first wedge block side support plate, the second wedge block side support plate, the third wedge block side support plate and the fourth wedge block side support plate are all fixedly connected to the wedge block support top plate and form a cavity, the wedge block friction reduction plate is located in the cavity and connected to the wedge block support top plate, the upper surface of the upper wedge is in contact with the wedge block friction reduction plate, and the inclined surface of the upper wedge is in contact with the inclined surface of the lower wedge.

[0015] Furthermore, the first wedge block side support plate and the third wedge block side support plate are both provided with an upper counter-top bolt and a lower counter-top bolt, the upper counter-top bolt passes through the first wedge block side support plate and the third wedge block side support plate respectively and contacts with the upper wedge, and the lower counter-top bolt passes through the first wedge block side support plate and the third wedge block side support plate respectively and contacts with the support box body in a detachable manner.

[0016] Furthermore, a left reverse top bolt and a right reverse top bolt are provided on the third wedge block side support plate, and both the left reverse top bolt and the right reverse top bolt pass through the third wedge block side support plate and are in detachable contact with the lower wedge block.

[0017] Furthermore, a front reverse top bolt is arranged on the second wedge block side support plate, and the front reverse top bolt passes through the second wedge block side support plate and is in detachable contact with the support box body.

[0018] The suspended wedge adjustment support mechanism of the present invention welds the steel beam assembly to the top of the tunnel, and fixes the beam element through the suspended support mechanism, so that the beam element is suspended in the tunnel; by adjusting the thickness of the first pad and the second pad, ground settlement compensation can be achieved; the position of the suspended support mechanism and the beam element can be precisely adjusted through the wedge mechanism; according to finite element analysis, the entire mechanism can withstand a load of two tons without plastic deformation, and the elastic deformation is less than 0.3mm. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of a suspended wedge block adjustment support mechanism according to an embodiment of the present invention;

[0020] Figure 2 It is a partial structural schematic diagram of a suspended wedge block adjustment support mechanism according to an embodiment of the present invention;

[0021] Figure 3 is a schematic structural diagram of a C-clip assembly according to an embodiment of the present invention;

[0022] Figure 4 A schematic diagram of a partial structure of a steel beam according to an embodiment of the present invention;

[0023] Figure 5 It is a structural schematic diagram of an H-shaped steel weldment of a suspension column according to an embodiment of the present invention;

[0024] Figure 6 is a structural schematic diagram of a suspension support mechanism according to an embodiment of the present invention;

[0025] Figure 7 It is a schematic diagram of assembling a suspension support mechanism and a steel beam according to an embodiment of the present invention;

[0026] Figure 8 is a structural schematic diagram of a diagonal bracing assembly according to an embodiment of the present invention;

[0027] Fig. 9 is a structural schematic diagram of one side of a wedge mechanism according to an embodiment of the present invention;

[0028] Fig.10 is a structural schematic diagram of the other side of the wedge mechanism according to an embodiment of the present invention;

[0029] Fig.11 It is a structural schematic diagram of the upper portion of the wedge mechanism according to an embodiment of the present invention;

[0030] Fig.12 is a structural schematic diagram of a wedge block adjustment frame according to an embodiment of the present invention;

[0031] Fig.13 Schematic diagram of the assembly of the wedge mechanism and the support box according to an embodiment of the present invention. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings and described in detail.

[0033] like Figure 1 As shown, an embodiment of the present invention provides a suspended wedge adjustment support mechanism for suspending a beam element 100 on the top of a tunnel and precisely adjusting its position, comprising a steel beam 4 and a plurality of welded hangers, each of which comprises a welded steel beam assembly 1 and a hanger 2, and is bridged over the top of the steel beam 4 via the hanger 2 fixed on the top surface of the steel beam 4, forming a gate-shaped component; a suspension support mechanism 7 is fixedly connected to the bottom of the steel beam 4, the beam 100 is fixed to the bottom of the suspension support mechanism 7, and the top surface of the welded steel beam assembly 1 is welded to the top of the tunnel, so that the entire mechanism and the beam element 100 are suspended in the tunnel.

[0034] A first pad 3 is provided between the suspension column 2 and the steel beam 4. By changing the thickness of the first pad 3, the position of the steel beam 4 in the vertical direction can be adjusted, thereby changing the positions of the components below the steel beam 4, and compensating for the ground settlement during the initial installation of the beam element 100. At least one wedge mechanism 6 is provided between the steel beam 4 and the suspension support mechanism 7, which is fixedly connected to the steel beam 4 and the suspension support mechanism 7, respectively. At the same time, a second pad 5 is also provided between the wedge mechanism 6 and the steel beam 4. By changing the thickness of the second pad 5, the position of the wedge mechanism 6 can be adjusted, thereby changing the positions of the components below the wedge mechanism 6, and compensating for the ground settlement of the beam element 100 during use. The position of the suspension support mechanism 7 can be precisely adjusted by the wedge mechanism 6, thereby achieving precise adjustment of the beam element 100.

[0035] like Figure 2As shown, the welded steel beam assembly 1 includes a welded steel beam 9, the bottom of which is fixedly connected to the top of the suspension column 2 by a vertical bolt 63, and the top is welded to the top of the tunnel. A C-type clamp assembly 10 is fixed to the bottom of the welded steel beam 9, as shown in FIG. Figure 3 As shown, the C-clip assembly 10 includes a C-clip 11, a bolt 12, a screw 13, a support plate 14 and a screw rod 15. The bolt 12 is fixed to the top of the C-clip 11, and the screw rod 15 is fixed to the bottom of the C-clip 11. The support plate 14 is sleeved on the top of the screw rod 15 and is fixedly connected to the screw rod 15 by the screw 13. When in use, the C-clip assembly 10 is fixed to the bottom of the welded steel beam 9 by the bolt 12. The screw rod 15 and the support plate 14 are located below the top of the sling 2 and are used to support the top of the sling 2. When it is necessary to set a leveling pad (not shown in the figure) between the welded steel beam 9 and the sling 2, the vertical bolt 63 is loosened. At this time, the sling 2 can be supported by the support plate 14 to prevent it from falling. The gap between the welded steel beam 9 and the sling 2 can be changed by adjusting the height position of the screw rod 15, so as to adapt to the thickness of the leveling pad. When the leveling pad is installed, the vertical bolt 63 can be tightened.

[0036] The steel beam 4 includes two H-shaped steels 17 that are parallel and spaced apart. The two ends of the two H-shaped steels 17 are welded together through a channel steel 18 to form the steel beam 4. The web of the H-shaped steel 17 is welded with a reinforcing rib 20 to strengthen the strength of the steel beam 4. The suspender 2 includes two H-shaped steel welded parts 16 that are respectively fixed on the upper wing plates of the two H-shaped steels 17. The bottom of the H-shaped steel welded parts 16 is fixed with a C-shaped clamp assembly 10, which is fixed to the bottom of the H-shaped steel welded parts 16 by bolts 12 at the top. The screw 15 and the support plate 14 of the C-shaped clamp assembly 10 are located below the upper wing plate of the H-shaped steel 17 to support it.

[0037] like Figure 4 and 5 As shown, a welding plate 19 is welded on the upper wing plate of the H-shaped steel 17, and a waist hole 22 is provided on the upper wing plate of the H-shaped steel 17 and the welding plate 19 along the length direction of the steel beam 4, and a waist hole 21 is provided at the bottom of the H-shaped steel weldment 16 along the length direction perpendicular to the steel beam 4. Bolts 23 pass through the waist hole 21 on the H-shaped steel weldment 16 and the waist holes 22 on the H-shaped steel 17 and the welding plate 19 in sequence, so that the H-shaped steel weldment 16 is connected to the H-shaped steel 17, wherein the waist hole 21 along the length direction perpendicular to the steel beam 4 can compensate for the spacing error caused by the two H-shaped steels 17 after processing, and the waist hole 22 along the length direction of the steel beam 4 can compensate for the spacing error caused by the two H-shaped steel weldments 16 after assembly.

[0038] A large bolt through hole 24 is also provided at the bottom of the H-beam weldment 16, and corresponding threaded blind holes are provided at corresponding positions of the H-beam 17 and the welding plate 19. The screw 25 passes through the large bolt through hole 24 and the threaded blind hole in sequence to connect the H-beam weldment 16 and the H-beam 17. The threaded portion of the screw 25 can be engaged to the bottom of the threaded blind hole, and the threaded portion of the upper end that is not involved in the engagement has enough length to adapt to the first pads 3 of different thicknesses, so that the H-beam welding plate 16 and the H-beam 17 can be smoothly fixed together after the first pad 3 is set between them.

[0039] When it is necessary to set or replace the first pad 3 between the suspension column 2 and the steel beam 4, loosen the bolt 23 and the screw 25, and the screw 15 and the support plate 14 of the C-type clamp assembly 10 can support the steel beam 4 to prevent it from falling. After the replacement is completed, tighten the bolt 23 and the screw 25.

[0040] like Figure 6 As shown, the suspension support mechanism 7 includes two spaced connection hangers 26, a support box 28 is provided below the connection hangers 26, and each connection hanger 26 is fixedly connected to the support box 28 by two tensioning screws 27. The connection hanger 26 includes a channel steel weldment 30, on which a large pad 29 is provided. The tensioning screw 27 passes through the large pad 29 and the channel steel weldment 30 in sequence and is screwed into the support box 28 and fixed by a nut, so that the connection hanger 26 is connected to the support box 28. The large pad 29 can increase the contact area between the tensioning screw 27 and the channel steel weldment 30, and reduce the pre-tightening stress of the threaded connection.

[0041] like Figure 7 As shown, the channel steel weldment 30 is mounted on the upper wing plates of the two H-shaped steels 17, and the two ends are bolted to the upper wing plates of the two H-shaped steels 17, the support box 28 is located below the two H-shaped steels 17, the tensioning screw 27 is located between the two H-shaped steels 17, and pulls the support box 28, the beam element 100 is fixed below the support box 28 by the vertical bolts 64, and the height of the support box 28 and the beam element 100 can be adjusted by rotating the tensioning screw 27.

[0042] A C-clip assembly 10 is fixed on the channel steel weldment 30. When the second pad 5 needs to be installed or replaced, the C-clip assembly 10 supports the H-shaped steel 17 from bottom to top to prevent it from falling.

[0043] There are many types of beam elements 100, and different beam elements have different operating conditions. Some beam elements 100 are subjected to vacuum force under certain conditions, which causes unnecessary sliding of the beam elements 100 along the beam direction. The beam element 100 (such as a vacuum partition) will be subjected to a vacuum force of 115000N along the beam direction after other beam devices are disassembled, which may loosen the bolt connection and cause the support box 28 to slide along the beam direction. Therefore, it is necessary to add two sets of diagonal brace assemblies 8 on the side of the support box 28 to resist the vacuum force, such as Figure 1 As shown, the two ends of the diagonal brace assembly 8 are fixedly connected to the suspension support mechanism 7 and the steel beam 4 respectively, which can protect the entire mechanism and the beam element 100; some beam elements will not be affected by the vacuum force under any working conditions, so the diagonal brace assembly is not needed to assist in resisting the vacuum force.

[0044] like Figure 7 and Figure 8As shown, each group of diagonal brace components 8 includes a short rectangular gasket 31, an upper joint bearing support 32, a rod end bearing fixing shaft 33, a clamping gasket 34, a left-handed rod end joint bearing 35, a right-handed rod end joint bearing 36, a joint bearing adjustment block 37, and a side joint bearing support 38, wherein the left-handed rod end joint bearing 35 and the right-handed rod end joint bearing 36 are standard parts, and the short rectangular gasket 31 and the upper joint bearing support 32 are connected to the steel beam 4 by bolts 65 in the vertical direction. Since the vacuum force in the beam direction will generate a component force in the vertical direction, the use of the short rectangular gasket 31 can improve the rigidity of the structure and resist the component force in the vertical direction; the rod end shaft The bearing fixing shaft 33 passes through the through hole of the upper joint bearing support 32, and the fitting clearance between the two must be at least less than 0.05mm. The left-handed rod end joint bearing 35, the rod end bearing fixing shaft 33 and the clamping gasket 34 are fixed to the upper joint bearing support 32 together by horizontal bolts 66. The left-handed rod end joint bearing 35 is fixed to the joint bearing adjustment block 37 by nuts 39. The two ends of the joint bearing adjustment block 37 are respectively provided with left-handed threaded holes and right-handed threaded holes. The screw end of the left-handed rod end joint bearing 35 is screwed into the left-handed threaded hole of the joint bearing adjustment block 37, and the two are connected and fixed by nuts 39. The screw end of the right-handed rod end joint bearing 36 The rod end is screwed into the right-hand threaded hole of the joint bearing adjustment block 37, and the two are connected and fixed by a nut 39. A spanner hole 40 is provided in the middle of the joint bearing adjustment block 37. When the operating hole of the external hexagonal wrench is not enough, an internal hexagonal wrench can be used to drill into the spanner hole to rotate the joint bearing adjustment block 37. When it is necessary to increase or shorten the spacing between the left-handed rod end joint bearing 35 and the right-handed rod end joint bearing 25, the nuts on the two end surfaces of the joint bearing adjustment block 37 are loosened respectively, and the joint bearing adjustment block 37 is rotated clockwise or counterclockwise. The spacing adjustment amount of the two rod end joint bearings is ±20mm. Its function is to support the box when replacing the second pad 5. The distance between the body 28 and the H-shaped steel 17 along the vertical direction will change. In order to ensure that the fixed positions of the upper joint bearing support 32 and the side joint bearing support 38 remain unchanged, the overall length of the diagonal brace assembly 8 needs to be adjusted; the round head ends of the left-handed rod end joint bearing 35 and the right-handed rod end joint bearing 36 are rotatable, and the overall length of the diagonal brace assembly 8 can be adjusted according to the thickness of the second pad 5; the right-handed rod end joint bearing 36, the rod end bearing fixing shaft 33 and the clamping gasket 34 are fixed to the side joint bearing support 38 by horizontal bolts 66, and the side joint bearing support 38 is fixed to the side of the support box 28 by horizontal bolts 67. The left-handed rod end joint bearing 35 and the right-handed rod end joint bearing 36 on the diagonal brace assembly 8 have a universal adjustment function, which can compensate for the vertical deviation between the steel beam 4 and the support box 28 during installation.

[0045] like Fig. 9 and 10As shown, the wedge mechanism 6 includes a long rectangular gasket 41, a C-clamp assembly 42, a wedge adjustment frame 43, an upper wedge 44, a lower wedge 45, a ball pad 46 and a fixing screw 47. Fig.11 As shown, a waist hole 48 along the beam direction is provided on the long rectangular gasket 41 and the H-shaped steel 17. The long rectangular gasket 41, the second pad 5 and the wedge adjustment frame 43 are fixed to the H-shaped steel 17 by bolts 68 in the vertical direction, and the bolts in the vertical direction can move along the waist hole 48 in the beam direction to achieve the overall small range position adjustment of the wedge mechanism 6. Since the weight of the support box 28 and the beam element 100 is large, the total weight exceeds 2 tons, and the long rectangular gasket 41 is used. The rigidity of the structure can be improved; the C-clamp assembly 42 is inverted on the wedge adjustment frame 43, which is fixed to the wedge adjustment frame 43 by bolts 12, and the screw 15 and the support plate 14 are located above the long rectangular gasket 41. When it is necessary to set a second gasket 5 between the H-shaped steel 17 of the steel beam 4 and the wedge adjustment frame 43, loosen the vertical bolts 68, and the support plate 14 of the C-clamp assembly 29 is supported by the wing plate of the H-shaped steel 17, thereby supporting the wedge adjustment frame 43 to prevent it from falling.

[0046] like Fig.12 As shown, the wedge block adjustment frame 43 is a hollow structure, including a wedge block support top plate 49, a wedge block side support plate 50, a wedge block side support plate 51, a wedge block side support plate 52, a wedge block side support plate 53, and a wedge block friction reducing plate 54; the wedge block side support plate 50 is connected to the wedge block support top plate 49 by a vertical screw, the wedge block side support plate 51 is connected to the wedge block support top plate 49 by a vertical bolt, the wedge block side support plate 52 is connected to the wedge block support top plate 49 by a vertical bolt, the wedge block side support plate 53 is connected to the wedge block support top plate 49 by a vertical bolt, and the wedge block side support plate 50 The wedge side support plate 51 is connected to the wedge side support plate 51 through horizontal bolts, the wedge side support plate 51 is connected to the wedge side support plate 52 through horizontal bolts, the wedge side support plate 52 is connected to the wedge side support plate 53 through horizontal bolts, and the wedge side support plate 50 is connected to the wedge side support plate 53 through horizontal bolts. The wedge support top plate 49, the wedge side support plate 50, the wedge side support plate 51, the wedge side support plate 52, and the wedge side support plate 53 form a cavity with one end open, and the wedge friction reducing plate 54 is located in the cavity and is connected to the wedge support top plate 49 through screws; Fig. 9As shown, the upper surface of the upper wedge block 44 contacts the wedge block friction reduction plate 54. The material of the wedge block friction reduction plate 54 is brass, which is used to reduce the friction force when the upper wedge block 44 moves. The upper wedge block 44 and the lower wedge block 45 are arranged in the wedge block adjustment frame 43. The inclined surface of the lower wedge block 45 contacts the inclined surface of the upper wedge block 44. In order to ensure that the upper wedge block 44 will not slide relative to the lower wedge block 45 along the inclined surface, by consulting the static friction coefficient of the two wedge block materials, it is found that the critical angle of the upper wedge block 44 sliding down is 7°, that is, the self-locking angle of the two wedge block inclined surfaces, that is, the actual angle; the ball pad 46 is arranged below the lower wedge block 45, and the spherical surface of the ball pad 46 contacts the conical surface of the lower wedge block 45, which can achieve the effect of self-alignment.

[0047] like Fig.13 As shown, in this embodiment, four wedge mechanisms 6 are provided, large through holes are provided on the four corners of the support box 28, through holes are provided in the middle of the upper wedge 44, the lower wedge 45 and the ball pad 46, and a threaded hole is provided in the middle of the wedge support top plate 49. The fixing screw 47 passes through the through holes of the support box 28, the upper wedge 44, the lower wedge 45 and the ball pad 46 and is screwed into the threaded hole of the wedge support top plate 49. After completing the horizontal and vertical adjustments, the fixing screw 47 is locked with a nut 69, a spherical washer 71 and a conical washer 70, so that the support box 28 is connected to the wedge mechanism 6.

[0048] like Fig. 9 and Fig.10As shown, the reverse top bolt 55 is screwed into the threaded hole at the upper end of the wedge block side support plate 50 and can contact one side of the upper wedge block 44. By rotating the reverse top bolt 55, a horizontal linear motion is generated to push the side of the upper wedge block 44, so that the upper wedge block 44 moves in the horizontal direction, and a vertical force is generated on the lower wedge block 45 at the contact inclined surface of the two wedge blocks, causing the lower wedge block 45 to move in the vertical direction, so as to achieve the adjustment of the height direction of the support box 28. After the adjustment is completed, the reverse top bolt 55 is tightened with a nut 56. The top bolt 55 prevents the upper wedge 44 from sliding; the anti-top bolt 57 is screwed into the threaded hole at the lower end of the wedge side support plate 50, and the anti-top bolt 57 is rotated to generate a linear motion to push the side of the support box 28 to adjust the position of the support box 28 in the horizontal direction. After the adjustment is completed, the anti-top bolt 57 is fixed with a nut 56 to prevent the support box 28 from sliding; 4 anti-top bolts are installed on the side of the wedge side support plate 52, namely, anti-top bolt 58, anti-top bolt 59, and anti-top bolt 6 0, anti-top bolt 61, wherein the anti-top bolt 58 and the anti-top bolt 61 are used in the same manner as the anti-top bolt 55 and the anti-top bolt 57 on the wedge side support plate 50, and are not repeated here; after the anti-top bolt 59 and the anti-top bolt 60 are screwed into the threaded hole in the middle of the wedge side support plate 52, they support the side surface of the lower wedge 45 to prevent the lower wedge 45 from sliding; the wedge side support plate 51 is equipped with an anti-top bolt 62, which is screwed into the threaded through hole at the lower end of the wedge side support plate 51 and is screwed with The support box 28 can be separated and contacted. By rotating the anti-top bolt 62 to generate linear motion, it passes through the wedge block side support plate 51 and pushes the side of the support box 28 to adjust the horizontal position of the support box 28. After the adjustment is completed, the anti-top bolt 62 is fixed with a nut 56 to prevent the support box 28 from sliding. After the adjustment is completed, the fixing screw 47 is locked, and the support box 28 will not be able to move. When it needs to be adjusted again, just loosen the fixing screw 47 and repeat the above operation. At present, the adjustment method of most wedge mechanisms on the market is similar to that of a screw rod, which realizes the linear movement of the wedge by rotating the horizontal screw rod. However, under certain operating conditions, a locking screw needs to pass vertically through the middle of the wedge block. The locking screw is used to offset the external vacuum force. Therefore, when adjusting the horizontal screw rod, it is easy to interfere with the locking screw. The wedge mechanism 6 in the present invention uses a reverse top bolt to directly push the side of the upper wedge block 44, thereby avoiding the problem of interference with the vertical bolt in the former. Therefore, the latter is more suitable for beam element support under conditions of external vacuum force.

[0049] The use process of the suspended adjustable support mechanism of the present invention is as follows: the beam element 100 is fixed under the bottom plate of the support box 28 through the support plate. Before the beam element 100, in order to compensate for the natural ground settlement at the installation site, a first pad 3 needs to be added between the suspension column 2 and the steel beam 4; by measuring the actual height position of the steel beam 4, the actual distance of the ground settlement is understood, and the thickness of the pad that needs to be added between the suspension column 2 and the steel beam 4 is obtained, so as to adjust the thickness of the first pad 3. During operation, the lower screw 15 of the C-type clamp assembly 10 fixed on the suspension column 2 needs to be loosened, so that the lower screw 15 supports the steel beam 4, leaving space for placing the first pad 3, and the first pad 3 is placed in the gap, and the lower screw 15 of the C-type clamp assembly 10 is rotated to support the steel beam 4, and finally the bolts and screws in the vertical direction are locked. When fine-tuning the position of the beam element 100, the fixing screw 47 passes through the spherical washer 71, the conical washer 70, the support box 28, the ball washer 46, the lower wedge 45, and the upper wedge 44, and is screwed into the threaded hole of the wedge support top plate 49; when it is necessary to lower the position of the beam element 100, the nut 69 is loosened, and the position of the upper wedge 44 is adjusted with the reverse top bolt 55 above the wedge side support plate 50 and the wedge side support plate 52 until the upper wedge 44 contacts the wedge friction reducing plate 54, and the nut 69 is rotated in the locking direction to make the conical washer 70 contact the support box 28, while the nut 69 is not locked; when it is necessary to raise the position of the beam element 100, the nut 69 is loosened, and the wedge side support plate 50 and the wedge side support plate 52 are used to adjust the position of the upper wedge 44. 0 and the anti-top bolt 55 above the wedge side support plate 52 adjust the position of the upper wedge 44 and make a gap between the upper wedge 44 and the wedge friction reducing plate 40, rotate the nut 69 in the locking direction to make the upper wedge 44 contact the wedge friction reducing plate 54, and do not lock the nut 69 at the same time, only make the conical washer 70 contact the support box 28; when it is necessary to adjust the position of the beam element 100 in the horizontal direction, the anti-top bolt 57, anti-top bolt 62, and anti-top bolt 61 at the lower ends of the wedge side support plate 50, the wedge side support plate 51 and the wedge side support plate 52 are rotated respectively to generate linear motion to push the side of the support box 28; after all adjustments are completed, tighten the nut 69 below the fixing screw 47.When ground subsidence occurs during the use of the beam element 100, the second pad 5 between the steel beam 4 and the wedge mechanism 6 needs to be replaced. The specific value of the ground subsidence is understood by measuring the height position of the vacuum partition, so as to understand the thickness of the second pad 5 that should be replaced. During operation, the lower screw of the C-type clamp assembly 10 fixed on the channel steel weldment 30 needs to be vertically upward to support the steel beam 4, and the upper screw of the C-type clamp assembly 42 fixed on the wedge adjustment frame 43 needs to be loosened so that the upper screw supports the long rectangular gasket 41 and the steel beam 4. The original second pad 5 is pulled out, and the new second pad 5 is placed on the top of the wedge mechanism 6. The tightening screw 27 is rotated to adjust the height of the support box 28 and the wedge mechanism 6. When the pad 5 contacts the steel beam 4, stop rotating the tightening screw 27, rotate the upper screw of the C-type clamp assembly 42 until it supports the long rectangular gasket 28, and finally tighten the vertical bolt 68.

[0050] The suspended wedge adjustment support mechanism of the embodiment of the present invention is welded to the top of the tunnel by welding the steel beam assembly 1, and the beam element 100 is fixed by the suspension support mechanism 7, so that the beam element 100 is suspended in the tunnel; by adjusting the thickness of the first pad 3 and the second pad 5, ground settlement compensation can be achieved; the position of the suspension support mechanism 7 and the beam element 100 can be precisely adjusted by the wedge mechanism 6; according to the finite element analysis stress results of the suspended wedge adjustment support mechanism, when subjected to a load of two tons, the maximum stress appears on the support box 28, with a value of 92Mpa, which is less than the yield strength of the support box 28 of 235Mpa, so no plastic deformation occurs; at the same time, according to the finite element analysis deformation results, ignoring the deformation of the lower load (replacing the beam element 100), the maximum deformation of the upper support mechanism appears on the support box 28, with a value of 0.25mm, which meets the deformation requirements.

[0051] The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. The above embodiment of the present invention can also be modified in various ways. That is, all simple, equivalent changes and modifications made according to the claims and the description of the present invention fall within the scope of protection of the claims of the present invention. The contents not described in detail in the present invention are all conventional technical contents.

Claims

1. A hanging wedge adjustment support mechanism, characterized in that: It comprises a steel beam, a plurality of welding hangers are fixedly connected above the steel beam, a suspension support mechanism is fixed below the steel beam, a first pad is sandwiched between the steel beam and the welding hangers, at least one wedge mechanism is arranged between the steel beam and the suspension support mechanism, and is respectively fixedly connected to the steel beam and the suspension support mechanism, and a second pad is sandwiched between the wedge mechanism and the steel beam; The suspension support mechanism includes two spaced connection hangers, which are fixedly connected to the steel beam; a support box is provided below the connection hanger, which includes a channel steel welded part, on which a large pad is provided, and two tensioning screws pass through the large pad and the channel steel welded part in turn and are screwed into the support box and fixed by nuts; The wedge mechanism comprises a wedge adjustment frame, an upper wedge, a lower wedge and a fixing screw, wherein the wedge adjustment frame is fixedly connected to the steel beam, and the fixing screw passes through the wedge adjustment frame, the upper wedge, the lower wedge and the support box in sequence and is fixed by a nut; The wedge block adjustment frame includes a wedge block support top plate, a first wedge block side support plate, a second wedge block side support plate, a third wedge block side support plate, a fourth wedge block side support plate and a wedge block friction reduction plate, wherein the first wedge block side support plate, the second wedge block side support plate, the third wedge block side support plate and the fourth wedge block side support plate are all fixedly connected to the wedge block support top plate and surround a cavity, the wedge block friction reduction plate is located in the cavity and connected to the wedge block support top plate, the upper surface of the upper wedge is in contact with the wedge block friction reduction plate, and the inclined surface of the upper wedge is in contact with the inclined surface of the lower wedge; An upper counter bolt and a lower counter bolt are provided on the first wedge block side support plate and the third wedge block side support plate, respectively, the upper counter bolt passes through the first wedge block side support plate and the third wedge block side support plate, and contacts with the upper wedge, and the lower counter bolt passes through the first wedge block side support plate and the third wedge block side support plate, respectively, and contacts with the support box body in a detachable manner; and / or, The third wedge block side support plate is provided with a left reverse top bolt and a right reverse top bolt, and the left reverse top bolt and the right reverse top bolt both pass through the third wedge block side support plate and are in detachable contact with the lower wedge block; and / or, A front reverse top bolt is arranged on the second wedge block side support plate, and the front reverse top bolt passes through the second wedge block side support plate and is in detachable contact with the support box body.

2. The hanging wedge adjustment support mechanism according to claim 1, characterized in that: The welding hanger comprises a welded steel beam assembly and a hanger column which are fixedly connected to each other, and the hanger column is fixed on the steel beam.

3. The hanging wedge adjustment support mechanism according to claim 2, characterized in that: The welded steel beam assembly includes a welded steel beam and a C-type clamp assembly fixed at the bottom of the welded steel beam, and the bottom of the welded steel beam is also fixedly connected to the suspension column; the C-type clamp assembly includes a C-type clamp, a bolt, a support plate and a screw rod, the bolt is fixed at the top of the C-type clamp, the screw rod is fixed at the bottom of the C-type clamp, the support plate is sleeved on the top of the screw rod, and the C-type clamp is fixedly connected to the welded steel beam through the bolt.

4. The suspension wedge adjustment support mechanism according to claim 2, characterized in that: The steel beam comprises two H-shaped steels which are parallel and spaced apart, the two ends of the two H-shaped steels are respectively welded together through a channel steel, and the webs of the H-shaped steels are welded with reinforcing ribs.

5. The hanging wedge adjustment support mechanism according to claim 4, characterized in that: The suspension column includes two H-shaped steel welded parts respectively fixed on the upper wing plates of two H-shaped steels, a welding plate is welded on the upper wing plates of the H-shaped steel, and waist holes along the length direction of the steel beam are arranged on the upper wing plates of the H-shaped steel and the welding plates, and waist holes perpendicular to the length direction of the steel beam are correspondingly arranged on the H-shaped steel welded parts, and the H-shaped steel welded parts are fixedly connected to the H-shaped steel by bolts passing through the waist holes.

6. The suspension wedge adjustment support mechanism according to claim 1, characterized in that: At least one diagonal brace assembly is arranged on the side of the support box body, and the diagonal brace assembly includes an upper joint bearing support, a left rod end bearing fixing shaft, a right rod end bearing fixing shaft, a left-handed rod end joint bearing, a right-handed rod end joint bearing, a joint bearing adjustment block and a side joint bearing support. The upper joint bearing support is fixedly connected to the steel beam, the left-handed rod end joint bearing and the left rod end bearing fixing shaft are fixed on the upper joint bearing support, the right-handed rod end joint bearing and the right rod end bearing fixing shaft are fixed on the side joint bearing support, two ends of the joint bearing adjustment block are respectively threadedly connected to the left-handed rod end joint bearing and the right-handed rod end joint bearing, and the side joint bearing support is fixedly connected to the support box body.

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