Steel structure supporting device for underground construction

Abstract

The invention discloses a steel structure supporting device for underground construction, and relates to the technical field of underground construction supporting, the supporting device comprises a supporting plate, an inclined supporting mechanism, a horizontal supporting mechanism, an adjusting mechanism and a first connecting rod, and the horizontal supporting mechanism is connected with the adjusting mechanism; the horizontal supporting mechanism and the adjusting mechanism jointly serve as a cross beam to support the two supporting plates, the supporting plates on the two sides are supported through the six inclined supporting mechanisms correspondingly, the supporting plates are subjected to multi-point supporting through the three inclined supporting mechanisms on each side, the inclined supporting mechanisms are connected through the first connecting rods, a more stable supporting system is formed, loads borne by the supporting plates are dispersed, and the supporting effect is improved. And the distance between the two supporting plates is adjusted through the adjusting mechanism, so that the supporting plates are tightly attached to the wall body, and the construction precision is improved.

Description

Technical Field

[0001] The invention relates to the technical field of underground construction support, in particular to a steel structure support device for underground construction. Background Art

[0002] During the underground construction of a subway or light rail station, the support device is an important factor in ensuring the stability and safety of the underground construction of the subway or light rail station.

[0003] As the construction progresses, in different stages of construction, the need for support devices will change due to changes in construction conditions and requirements. For example, in the process of trench excavation, after the trench is excavated to a certain depth, a support device is needed to support the side wall of the trench. In the forming construction of the side wall, a support device is also needed to support the side wall. The existing support device uses a diagonal brace structure to support the side wall or side wall, but it is difficult to flexibly adjust the support angle according to the progress of the construction, and it is impossible to more effectively transfer and disperse the load on the support device, which may cause the load on the support device to be too concentrated, causing damage to the device. The current support device uses a crossbeam with a diagonal brace rod to support the side walls or side walls on both sides of the trench, but the length of the crossbeam cannot be flexibly adjusted, which may cause the support device to be unable to be in close contact with the side wall or side wall, affecting the support effect. In the construction of the side wall, it may also cause problems such as leakage. In the same construction process, it is necessary to transfer the device to the next construction site after the construction is completed in one place, and the disassembly and installation of the support device takes a lot of time, affecting the efficiency of construction. Summary of the invention

[0004] The purpose of the present invention is to provide a steel structure supporting device for underground construction to solve the problems raised in the prior art.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A steel structure support device for underground construction, the support device includes a support plate, an oblique support mechanism, a horizontal support mechanism, an adjustment mechanism and a No. 1 connecting rod. Two support plates are provided, and the two support plates are symmetrically placed. Six oblique support mechanisms are provided, and each support plate is fixedly connected to three oblique support mechanisms. Two horizontal support mechanisms are provided, and the two horizontal support mechanisms are respectively fixedly connected to the support plates. The adjustment mechanism is fixedly connected to the two connected horizontal support mechanisms, and the No. 1 connecting rod is fixedly connected to the three oblique support mechanisms.

[0007] Through the connection of the horizontal support mechanism and the adjustment mechanism, the two symmetrically placed support plates are fixedly connected to the two horizontal support mechanisms respectively, so that the horizontal support mechanism and the adjustment mechanism jointly serve as a crossbeam to support the two support plates. The support plates on both sides are supported respectively by six diagonal support mechanisms. The three diagonal support mechanisms on each side provide multi-point support for the support plates. The diagonal support mechanisms are connected by a No. 1 connecting rod to form a more stable support system, which is conducive to dispersing the load on the support plate and preventing the support plate from being deformed due to excessive force at a certain point. The distance between the two support plates is adjusted by the adjustment mechanism to make the support plate and the wall fit closely, thereby improving the construction accuracy.

[0008] Furthermore, the diagonal bracing mechanism includes a supporting plate, a diagonal bracing rod, a No. 1 bolt, a horizontal rod, a No. 2 bolt, a No. 1 nut, a hydraulic jack, a foot plate and a moving mechanism. Two supporting plates are provided, and the two supporting plates are fixedly connected to the diagonal bracing rod respectively. The supporting plate is provided with a No. 1 through hole, and the supporting plate is provided with a threaded hole. The No. 1 bolt is placed in the No. 1 through hole, and the No. 1 bolt is threadedly connected to the threaded hole. The supporting plate abuts against the horizontal rod, and the horizontal rod is provided with a No. 2 through hole. The No. 2 bolt is placed in the No. 1 through hole, and the No. 2 bolt is placed in the No. 2 through hole. The No. 2 bolt is threadedly connected to the No. 1 nut, the horizontal rod is fixedly connected to the supporting plate, the hydraulic jack is fixedly connected to the horizontal rod, the output end of the hydraulic jack is fixedly connected to the foot plate, and two moving mechanisms are provided, and the moving mechanism is fixedly connected to the horizontal rod.

[0009] The two ends of the diagonal brace are connected respectively by two supporting plates, so as to increase the contact area between the diagonal brace and the supporting plate, so that the load received by the diagonal brace is better transmitted to the diagonal brace, and the supporting effect of the diagonal brace is improved. A No. 1 through hole is provided on the supporting plate, and a threaded hole is provided on the supporting plate, so that a No. 1 bolt passes through the No. 1 through hole and the threaded hole to be threadedly connected, so that the supporting plate is fixed on the supporting plate, and a No. 2 through hole is provided on the horizontal rod, so that the No. 2 bolt passes through the No. 1 through hole and the No. 2 through hole, and the No. 1 nut and the No. 2 bolt are threadedly connected, so that the other supporting plate is fixed on the horizontal rod. On the upper part, the hydraulic jack is fixedly connected to the horizontal rod, the output end of the hydraulic jack is fixedly connected to the foot plate, the hydraulic jack drives the foot plate to contact the ground, so that the hydraulic jack supports the entire support device, and the height of the support plate is adjusted by adjusting the elongation of the hydraulic jack. By adjusting the elongation of the hydraulic jack on different horizontal rods, the foot plate is closely contacted with the ground, thereby meeting the construction needs of different terrains. The entire support device is moved as a whole through the moving mechanism, and can be moved to the next construction position without disassembly, thereby improving construction efficiency.

[0010] Furthermore, the horizontal support mechanism includes an I-beam column, a No. 1 connecting seat, a hydraulic cylinder, a No. 2 connecting seat, a No. 2 connecting rod, a No. 3 connecting seat, a No. 3 bolt, a No. 2 nut and a pin. The I-beam column is fixedly connected to the support plate, the No. 1 connecting seat is fixedly connected to the I-beam column, the output end of the hydraulic cylinder is fixedly connected to the No. 1 connecting seat, the hydraulic cylinder and the adjusting mechanism are fixedly connected, the No. 2 connecting seat and the No. 2 connecting rod are fixedly connected, the No. 2 connecting rod and the No. 3 connecting seat are hingedly connected, the No. 2 connecting seat is provided with a No. 3 through hole, the pin is placed in the No. 3 through hole, the I-beam column is provided with a circular hole, one end of the pin is placed in the circular hole, the pin is provided with a No. 4 through hole, the I-beam column is provided with a plurality of No. 5 through holes, the No. 3 bolt is placed in the No. 5 through hole, the No. 3 bolt passes through the No. 4 through hole, and the No. 2 nut and the No. 3 bolt are threadedly connected.

[0011] The load on the support plate is dispersed by fixing the I-beam column and the support plate, and the load on the support plate is transferred to the No. 1 connecting seat and the I-beam column by fixing the No. 1 connecting seat and the I-beam column, so that the support plate is more stable, and the pin passes through the No. 3 through-hole, so that the end with the No. 4 through-hole is placed in the circular hole, and the No. 3 bolt is inserted into the No. 5 through-hole, so that the No. 3 bolt passes through the circular hole, and the No. 2 nut and the No. 3 bolt are threadedly connected to fix them on the I-beam column, and then the No. 2 connecting seat is fixed to the I-beam column, and the two ends of the No. 2 connecting rod are connected through the No. 2 connecting seat and the No. 3 connecting seat, so that the No. 2 connecting rod is connected to the I-beam column and the hydraulic cylinder respectively, to form a triangular diagonal bracing structure, thereby enhancing the horizontal bearing capacity of the support plates 1 on both sides, and through the expansion and contraction and adjustment mechanism of the hydraulic cylinder, the supporting angle of the No. 2 connecting rod can be changed according to different construction environments, thereby further improving the supporting effect.

[0012] Furthermore, the adjusting mechanism includes a No. 3 connecting rod, a motor, a threaded rod and a No. 4 connecting rod. The No. 3 connecting rod is fixedly connected to the hydraulic cylinder, the motor is placed in the No. 3 connecting rod, the threaded rod and the No. 3 connecting rod are rotatably connected, the motor output end and the threaded rod are fixedly connected, the No. 4 connecting rod is provided with a threaded groove, the threaded rod and the threaded groove are threadedly connected, and the No. 4 connecting rod is fixedly connected to the hydraulic cylinder at the other end.

[0013] The No. 3 connecting rod is fixedly connected to the hydraulic cylinder at one end, the No. 4 connecting rod is fixedly connected to the hydraulic cylinder at the other end, and the threaded rod connects the No. 3 connecting rod and the No. 4 connecting rod at both ends, so that the two horizontal support mechanisms are connected to provide horizontal support for the support plate. The No. 4 connecting rod is provided with a threaded groove, so that the threaded rod can be retracted into the threaded groove or extended, thereby adjusting the width of the support plates on both sides to meet the construction requirements of side walls of different widths and ensure that the side walls and the support plates fit tightly.

[0014] Furthermore, the moving mechanism includes a mounting plate, a rotating shaft, a bracket and wheels, the mounting plate and the horizontal rod are fixedly connected, the rotating shaft and the mounting plate are rotatably connected, the rotating shaft and the bracket are fixedly connected, and the wheels and the bracket are rotatably connected.

[0015] The rotating shaft bracket and the wheel are installed on the horizontal rod through the mounting plate. The rotating shaft and the mounting plate are rotatably connected so that the bracket can drive the wheel to rotate 360 ​​degrees. The output end of the hydraulic jack is contracted to make the foot plate leave the ground, and then the wheel is in contact with the ground, so that the entire support device can be moved as a whole through the wheels.

[0016] Furthermore, the horizontal rod is provided with a square groove, the horizontal rod is provided with a limit block, the limit block is placed in the square groove, the support plate is provided with a clamping block, the clamping block is placed in the square groove, the support plate is provided with a No. 1 sliding groove, the support plate is provided with a No. 1 slider, and the No. 1 slider is slidably connected to the No. 1 sliding groove.

[0017] A square groove is provided through the horizontal rod, and a limit block is provided in the square groove. A clamping block is provided through the support plate in contact with the horizontal rod, so that it is placed between two limit blocks or the limit and the square groove, so that the diagonal brace rod can be quickly positioned to the next installation position when the angle is adjusted. The other support plate is adjusted with the diagonal brace rod, so that the No. 1 slider slides in the No. 1 sliding groove to the next installation position, thereby realizing rapid adjustment of the angle of the diagonal brace rod, reducing the operating time of the operator and improving construction efficiency.

[0018] Furthermore, the No. 3 connecting seat is provided with a No. 2 sliding block, the hydraulic cylinder is provided with a No. 2 sliding groove, and the No. 2 sliding block and the No. 2 sliding groove are slidably connected.

[0019] A No. 2 slider is provided through the No. 3 connecting seat, which slides in the No. 2 sliding groove, so that the No. 2 connecting rods on both sides can be adjusted to different angles respectively, so that the diagonal braces formed by the No. 2 connecting rods on both sides present different angles to adapt to different stress conditions of the support plate under different construction environments.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. By using bolts, the two support brackets are installed at different positions of the horizontal rod and the support plate respectively, and the inclination angle of the diagonal support rod is changed. The No. 2 connecting seat is fixed at different reserved hole positions through the latch. With the extension and retraction of the hydraulic cylinder and the screwing in or out of the threaded rod, the inclination angle of the No. 2 connecting rod on the beam can be flexibly adjusted. Then, according to the progress of construction, the support angle can be flexibly adjusted to make the support structure more evenly stressed and reduce the risk of structural damage caused by load concentration.

[0022] 2. By screwing the threaded rod in and out, the length of the beam can be changed, which can be flexibly adjusted according to the width of the side wall to meet the construction requirements of side walls of different widths, so that the support plate of the support device is in close contact with the side wall or side wall to ensure the support effect.

[0023] 3. Through the mobile mechanism, the supporting device can be moved as a whole. After one construction is completed, the device can be directly transferred to the next construction site without the need to disassemble and reinstall the device, which reduces the construction time and improves the construction efficiency.

[0024] 4. Through the hydraulic jack installed on the horizontal rod, the height of the support plate can be flexibly adjusted to meet the needs of different construction stages.

[0025] 5. A No. 2 slider is provided through the No. 3 connecting seat, so that it slides in the No. 2 sliding groove, so that the No. 2 connecting rods on both sides can be adjusted to different angles respectively, so that the No. 2 connecting rods on both sides present different angles to adapt to the different stress conditions of the support plate under different construction environments.

[0026] 6. Six diagonal bracing mechanisms are used to provide multi-point support for the support plates on both sides, and the diagonal bracing mechanisms are connected by a No. 1 connecting rod to form a more stable support system, which is conducive to dispersing the load on the support plate and preventing the support plate from being deformed due to excessive force at a certain point. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a structural schematic diagram of the diagonal bracing mechanism of the present invention;

[0029] Figure 3 yes Figure 2 A magnified view of a local area A;

[0030] Figure 4 It is a schematic diagram of the supporting plate structure of the present invention;

[0031] Figure 5 It is a schematic diagram of the structure of the No. 5 through hole of the present invention;

[0032] Figure 6 It is a schematic diagram of the connection between the latch and the No. 3 bolt of the present invention;

[0033] Figure 7 This is a schematic diagram of the structure of the No. 2 sliding slot of the present invention;

[0034] Figure 8 It is a structural schematic diagram of the second sliding block of the present invention.

[0035] In the figure: 1, support plate; 11, threaded hole; 12, sliding groove No. 1; 2, diagonal bracing mechanism; 21, support plate; 211, through hole No. 1; 212, clamping block; 213, sliding block No. 1; 22, diagonal bracing rod; 23, bolt No. 1; 24, horizontal rod; 241, through hole No. 2; 242, square groove; 243, limit block; 25, bolt No. 2; 26, nut No. 1; 27, hydraulic jack; 28, foot plate; 29, moving mechanism; 291, mounting plate; 292, rotating shaft; 293, bracket; 294, wheel; 3, horizontal Support mechanism; 31. I-beam column; 311. No. 5 through hole; 312. Round hole; 32. No. 1 connecting seat; 33. Hydraulic cylinder; 331. No. 2 sliding groove; 34. No. 2 connecting seat; 341. No. 3 through hole; 35. No. 2 connecting rod; 36. No. 3 connecting seat; 361. No. 2 sliding block; 37. No. 3 bolt; 38. No. 2 nut; 39. Latch; 391. No. 4 through hole; 4. Adjustment mechanism; 41. No. 3 connecting rod; 42. Motor; 43. Threaded rod; 44. No. 4 connecting rod; 441. Threaded groove; 5. No. 1 connecting rod. DETAILED DESCRIPTION

[0036] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative work shall fall within the scope of protection of the present invention.

[0037] Example: Figure 1 As shown, the present invention provides a technical solution for a steel structure support device for underground construction, a steel structure support device for underground construction, the support device comprising a support plate 1, a diagonal bracing mechanism 2, a horizontal support mechanism 3, an adjustment mechanism 4 and a No. 1 connecting rod 5, two support plates 1 are provided, and the two support plates 1 are symmetrically placed, six diagonal bracing mechanisms 2 are provided, each support plate 1 is fixedly connected to three diagonal bracing mechanisms 2, two horizontal support mechanisms 3 are provided, and the two horizontal support mechanisms 3 are respectively fixedly connected to the support plates 1, the adjustment mechanism 4 is fixedly connected to the two connected horizontal support mechanisms 3, and the No. 1 connecting rod 5 is fixedly connected to the three diagonal bracing mechanisms 2.

[0038] By connecting the horizontal support mechanism 3 and the adjustment mechanism 4, the two symmetrically placed support plates 1 are fixedly connected to the two horizontal support mechanisms 3 respectively, so that the horizontal support mechanism 3 and the adjustment mechanism 4 jointly serve as a crossbeam to support the two support plates 1. The six diagonal support mechanisms 2 respectively support the support plates 1 on both sides. The three diagonal support mechanisms 2 on each side provide multi-point support for the support plate 1. The diagonal support mechanisms 2 are connected by a No. 1 connecting rod 5 to form a more stable support system, which is conducive to dispersing the load on the support plate 1 and preventing the support plate 1 from being deformed due to excessive force at a certain point. The distance between the two support plates 1 is adjusted by the adjustment mechanism 4, so that the support plate 1 and the wall are closely fitted, thereby improving the construction accuracy.

[0039] like Figure 2, Figure 3 and Figure 4 As shown, the diagonal bracing mechanism 2 includes a supporting plate 21, a diagonal bracing rod 22, a No. 1 bolt 23, a horizontal rod 24, a No. 2 bolt 25, a No. 1 nut 26, a hydraulic jack 27, a foot plate 28 and a moving mechanism 29. The supporting plate 21 is provided with two, and the two supporting plates 21 are respectively fixedly connected to the diagonal bracing rod 22. The supporting plate 21 is provided with a No. 1 through hole 211, and the supporting plate 1 is provided with a threaded hole 11. The No. 1 bolt 23 is placed in the No. 1 through hole 211, and the No. 1 bolt 23 is threadedly connected to the threaded hole 11. The support plate 21 is abutted against the horizontal rod 24, the horizontal rod 24 is provided with a No. 2 through hole 241, the No. 2 bolt 25 is placed in the No. 1 through hole 211, the No. 2 bolt 25 is placed in the No. 2 through hole 241, the No. 2 bolt 25 is threadedly connected with the No. 1 nut 26, the horizontal rod 24 is fixedly connected to the support plate 1, the hydraulic jack 27 is fixedly connected to the horizontal rod 24, the output end of the hydraulic jack 27 is fixedly connected to the foot plate 28, and two moving mechanisms 29 are provided, and the moving mechanism 29 is fixedly connected to the horizontal rod 24.

[0040] The two ends of the diagonal brace 22 are connected respectively by two supporting plates 21, so as to increase the contact area between the diagonal brace 22 and the supporting plate 1, so that the load received by the diagonal brace 22 is better transmitted to the diagonal brace 22, and the supporting effect of the diagonal brace 22 is improved. The supporting plate 21 is provided with a No. 1 through hole 211, and the supporting plate 1 is provided with a threaded hole 11, so that the No. 1 bolt 23 passes through the No. 1 through hole 211 and the threaded hole 11 to be threadedly connected, so that the supporting plate 21 is fixed on the supporting plate 1, and the horizontal rod 24 is provided with a No. 2 through hole 241, so that the No. 2 bolt 25 passes through the No. 1 through hole 211 and the No. 2 through hole 241, and is threadedly connected by the No. 1 nut 26 and the No. 2 bolt 25, so that the other supporting The support plate 21 is fixed on the horizontal rod 24 and is fixedly connected to the horizontal rod 24 through the hydraulic jack 27. The output end of the hydraulic jack 27 is fixedly connected to the foot plate 28. The hydraulic jack 27 drives the foot plate 28 to contact the ground, so that the hydraulic jack 27 supports the entire support device. The height of the support plate 1 is adjusted by adjusting the elongation of the hydraulic jack 27. The foot plate 28 is brought into close contact with the ground by adjusting the elongation of the hydraulic jack 27 on different horizontal rods 24, thereby meeting the construction requirements of different terrains. The entire support device is moved as a whole through the moving mechanism 29, and can be moved to the next construction position without disassembly, thereby improving construction efficiency.

[0041] like Figure 1 , Figure 5 and Figure 6As shown, the horizontal support mechanism 3 includes an I-beam column 31, a No. 1 connection seat 32, a hydraulic cylinder 33, a No. 2 connection seat 34, a No. 2 connection rod 35, a No. 3 connection seat 36, a No. 3 bolt 37, a No. 2 nut 38 and a latch 39. The I-beam column 31 is fixedly connected to the support plate 1, the No. 1 connection seat 32 is fixedly connected to the I-beam column 31, the output end of the hydraulic cylinder 33 is fixedly connected to the No. 1 connection seat 32, the hydraulic cylinder 33 is fixedly connected to the adjustment mechanism 4, and the No. 2 connection seat 34 is fixedly connected to the No. 2 connection rod 35. Connection, the No. 2 connecting rod 35 and the No. 3 connecting seat 36 are hingedly connected, the No. 2 connecting seat 34 is provided with a No. 3 through hole 341, the pin 39 is placed in the No. 3 through hole 341, the I-beam column 31 is provided with a round hole 312, one end of the pin 39 is placed in the round hole 312, the pin 39 is provided with a No. 4 through hole 391, the I-beam column 31 is provided with a plurality of No. 5 through holes 311, the No. 3 bolt 37 is placed in the No. 5 through hole 311, the No. 3 bolt 37 passes through the No. 4 through hole 391, and the No. 2 nut 38 and the No. 3 bolt 37 are threadedly connected.

[0042] The load on the support plate 1 is dispersed by fixing the I-beam column 31 to the support plate 1, and the load on the support plate 1 is transferred to the No. 1 connection seat 32 by fixing the I-beam column 31 to the No. 1 connection seat 32, so that the support plate 1 is more stable, and the latch 39 passes through the No. 3 through hole 341, so that the end with the No. 4 through hole 391 is placed in the circular hole 312, and the No. 3 bolt 37 is inserted into the No. 5 through hole 311, so that the No. 3 bolt 37 passes through the circular hole 312, and the No. 2 nut 38 and the No. 3 bolt 37 are threadedly connected, It is fixed on the I-beam column 31, and then the No. 2 connecting seat 34 is fixed on the I-beam column 31, and the two ends of the No. 2 connecting rod 35 are connected through the No. 2 connecting seat 34 and the No. 3 connecting seat 36, so that the No. 2 connecting rod 35 is connected to the I-beam column 31 and the hydraulic cylinder 33 respectively, forming a triangular diagonal bracing structure, thereby enhancing the horizontal bearing capacity of the support plates 1 on both sides, and through the telescopic and adjusting mechanism 4 of the hydraulic cylinder 33, the supporting angle of the No. 2 connecting rod 35 can be changed according to different construction environments, thereby further improving the supporting effect.

[0043] like Figure 2 As shown, the adjusting mechanism 4 includes a No. 3 connecting rod 41, a motor 42, a threaded rod 43 and a No. 4 connecting rod 44. The No. 3 connecting rod 41 is fixedly connected to the hydraulic cylinder 33, the motor 42 is placed in the No. 3 connecting rod 41, the threaded rod 43 and the No. 3 connecting rod 41 are rotatably connected, the output end of the motor 42 and the threaded rod 43 are fixedly connected, the No. 4 connecting rod 44 is provided with a threaded groove 441, the threaded rod 43 and the threaded groove 441 are threadedly connected, and the No. 4 connecting rod 44 is fixedly connected to the hydraulic cylinder 33 at the other end.

[0044] The No. 3 connecting rod 41 is fixedly connected to the hydraulic cylinder 33 at one end, the No. 4 connecting rod 44 is fixedly connected to the hydraulic cylinder 33 at the other end, and the threaded rod 43 connects the No. 3 connecting rod 41 and the No. 4 connecting rod 44 at both ends, so that the two horizontal support mechanisms 3 are connected to provide horizontal support for the support plate 1. The No. 4 connecting rod 44 is provided with a threaded groove 441, so that the threaded rod 43 can be retracted into the threaded groove 441 or extended out, thereby adjusting the width of the support plates 1 on both sides to meet the construction requirements of side walls of different widths and ensure that the side walls and the support plates 1 fit tightly.

[0045] like Figure 3 As shown, the moving mechanism 29 includes a mounting plate 291, a rotating shaft 292, a bracket 293 and a wheel 294, the mounting plate 291 is fixedly connected to the horizontal rod 24, the rotating shaft 292 is rotatably connected to the mounting plate 291, the rotating shaft 292 is fixedly connected to the bracket 293, and the wheel 294 is rotatably connected to the bracket 293.

[0046] Through the mounting plate 291, the rotating shaft 292, the bracket 293 and the wheel 294 are installed on the horizontal rod 24. Through the rotation connection between the rotating shaft 292 and the mounting plate 291, the bracket 293 can drive the wheel 294 to rotate 360 ​​degrees. By contracting the output end of the hydraulic jack 27, the foot plate 28 is lifted off the ground, and then the wheel 294 is in contact with the ground, so that the entire supporting device can be moved as a whole through the wheel 294.

[0047] like Figure 3 As shown, the horizontal rod 24 is provided with a square groove 242, the horizontal rod 24 is provided with a limit block 243, the limit block 243 is placed in the square groove 242, the support pallet 21 is provided with a clamping block 212, the clamping block 212 is placed in the square groove 242, the support plate 1 is provided with a No. 1 sliding groove 12, the support pallet 21 is provided with a No. 1 sliding block 213, and the No. 1 sliding block 213 and the No. 1 sliding groove 12 are slidably connected.

[0048] A square groove 242 is provided through the horizontal rod 24, and a limit block 243 is provided in the square groove 242. A clamping block 212 is provided through the support plate 21 in contact with the horizontal rod 24, so that it is placed between two limit blocks 243 or between the limit block 243 and the square groove 242, so that the diagonal support rod 22 can be quickly positioned to the next installation position when the angle is adjusted. The other support plate 21 is adjusted with the diagonal support rod 22, so that the No. 1 slider 213 slides to the next installation position in the No. 1 sliding groove 12, thereby realizing the rapid adjustment of the angle of the diagonal support rod 22, reducing the operating time of the operator and improving the construction efficiency.

[0049] like Figure 7 and Figure 8 As shown, the No. 3 connecting seat 36 is provided with a No. 2 sliding block 361 , the hydraulic cylinder 33 is provided with a No. 2 sliding groove 331 , and the No. 2 sliding block 361 and the No. 2 sliding groove 331 are slidably connected.

[0050] A No. 2 slider 361 is provided through the No. 3 connecting seat 36, so that it slides in the No. 2 sliding groove 331, so that the No. 2 connecting rods 35 on both sides can be adjusted to different angles respectively, so that the diagonal braces formed by the No. 2 connecting rods 35 on both sides present different angles to adapt to different stress conditions of the support plate 1 under different construction environments.

[0051] Working principle: by rotating the shaft 292, the wheel 294 can rotate 360 ​​degrees, and the assembled support device is moved to the construction site. The motor 42 drives the threaded rod 43 to rotate, so that the threaded rod 43 is screwed out of the thread groove 441 of the No. 4 connecting rod 44, and the output end of the hydraulic cylinder 33 is extended and retracted to adjust the support angle of the No. 2 connecting rod 35, and at the same time, the support plates 1 on both sides are moved to the specified position, and the pin 39 passes through the No. 3 through hole 341, so that the end with the No. 4 through hole 391 is placed in the circular hole 312, and the No. 3 bolt 37 is inserted into the No. 5 through hole 311, so that the No. 3 bolt 37 passes through the circular hole 312, and the No. 2 nut 38 and the No. 3 bolt 37 are threadedly connected. The No. 2 connecting rod 35 is fixed and extended through the output end of the hydraulic jack 27 to make the foot plate 28 contact the ground and fix the supporting device. The height of the supporting plate 1 is adjusted by telescoping the output end of the hydraulic jack 27. A No. 1 through hole 211 is provided through the supporting bracket 21, and the supporting plate 1 is provided with a threaded hole 11, so that the No. 1 bolt 23 passes through the No. 1 through hole 211 and is threadedly connected with the threaded hole 11, so that the supporting bracket 21 is fixed, and the No. 1 nut 26 and the No. 2 bolt 25 are threadedly connected to fix the other supporting bracket 21 on the horizontal rod 24, thereby completing the fixation of the diagonal support rod 22. The angle of the diagonal support rod 22 can be adjusted by inserting the No. 2 bolt 25 into different No. 1 through holes 211.

[0052] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A steel structure support device for underground construction, characterized in that: The support device comprises a support plate (1), an oblique support mechanism (2), a horizontal support mechanism (3), an adjustment mechanism (4) and a No. 1 connecting rod (5); two support plates (1) are provided, and the two support plates (1) are symmetrically placed; six oblique support mechanisms (2) are provided, and each support plate (1) is fixedly connected to three oblique support mechanisms (2); two horizontal support mechanisms (3) are provided, and the two horizontal support mechanisms (3) are respectively fixedly connected to the support plates (1); the adjustment mechanism (4) is fixedly connected to the two connected horizontal support mechanisms (3); and the No. 1 connecting rod (5) is fixedly connected to the three oblique support mechanisms (2).

2. A steel structure support device for underground construction according to claim 1, characterized in that: The diagonal bracing mechanism (2) comprises a supporting plate (21), a diagonal bracing rod (22), a No. 1 bolt (23), a horizontal rod (24), a No. 2 bolt (25), a No. 1 nut (26), a hydraulic jack (27), a foot plate (28) and a moving mechanism (29). Two supporting plates (21) are provided, and the two supporting plates (21) are respectively fixedly connected to the diagonal bracing rod (22). The supporting plate (21) is provided with a No. 1 through hole (211), and the supporting plate (1) is provided with a threaded hole (11). The No. 1 bolt (23) is placed in the No. 1 through hole (211), and the No. 1 bolt (23) and the threaded hole (11) are threadedly connected. The support plate (21) and the horizontal rod (24) are in abutment with each other, the horizontal rod (24) is provided with a No. 2 through hole (241), the No. 2 bolt (25) is placed in the No. 1 through hole (211), the No. 2 bolt (25) is placed in the No. 2 through hole (241), the No. 2 bolt (25) and the No. 1 nut (26) are threadedly connected, the horizontal rod (24) and the support plate (1) are fixedly connected, the hydraulic jack (27) and the horizontal rod (24) are fixedly connected, the output end of the hydraulic jack (27) and the foot plate (28) are fixedly connected, two moving mechanisms (29) are provided, and the moving mechanism (29) and the horizontal rod (24) are fixedly connected.

3. A steel structure support device for underground construction according to claim 2, characterized in that: The horizontal support mechanism (3) comprises an I-beam column (31), a No. 1 connection seat (32), a hydraulic cylinder (33), a No. 2 connection seat (34), a No. 2 connection rod (35), a No. 3 connection seat (36), a No. 3 bolt (37), a No. 2 nut (38) and a latch (39); the I-beam column (31) is fixedly connected to the support plate (1); the No. 1 connection seat (32) is fixedly connected to the I-beam column (31); the output end of the hydraulic cylinder (33) is fixedly connected to the No. 1 connection seat (32); the hydraulic cylinder (33) is fixedly connected to the adjustment mechanism (4); the No. 2 connection seat (34) is fixedly connected to the No. 2 connection rod (35); the No. 3 connection seat (36) is fixedly connected to the No. 3 bolt (37), the No. 2 nut (38) and the latch (39); The No. 1 connecting rod (35) and the No. 3 connecting seat (36) are hingedly connected, the No. 2 connecting seat (34) is provided with a No. 3 through hole (341), the latch (39) is placed in the No. 3 through hole (341), the I-beam column (31) is provided with a round hole (312), one end of the latch (39) is placed in the round hole (312), the latch (39) is provided with a No. 4 through hole (391), the I-beam column (31) is provided with a plurality of No. 5 through holes (311), the No. 3 bolt (37) is placed in the No. 5 through hole (311), the No. 3 bolt (37) passes through the No. 4 through hole (391), and the No. 2 nut (38) and the No. 3 bolt (37) are threadedly connected.

4. A steel structure support device for underground construction according to claim 3, characterized in that: The regulating mechanism (4) comprises a third connecting rod (41), a motor (42), a threaded rod (43) and a fourth connecting rod (44); the third connecting rod (41) and the hydraulic cylinder (33) are fixedly connected; the motor (42) is disposed in the third connecting rod (41); the threaded rod (43) and the third connecting rod (41) are rotatably connected; the output end of the motor (42) and the threaded rod (43) are fixedly connected; the fourth connecting rod (44) is provided with a thread groove (441); the threaded rod (43) and the thread groove (441) are threadedly connected; and the fourth connecting rod (44) and the hydraulic cylinder (33) at the other end are fixedly connected.

5. A steel structure support device for underground construction according to claim 4, characterized in that: The mobile mechanism (29) comprises a mounting plate (291), a rotating shaft (292), a bracket (293) and a wheel (294); the mounting plate (291) is fixedly connected to the horizontal rod (24); the rotating shaft (292) is rotatably connected to the mounting plate (291); the rotating shaft (292) is fixedly connected to the bracket (293); and the wheel (294) is rotatably connected to the bracket (293).

6. A steel structure support device for underground construction according to claim 5, characterized in that: The horizontal rod (24) is provided with a square groove (242), the horizontal rod (24) is provided with a limit block (243), the limit block (243) is placed in the square groove (242), the support plate (21) is provided with a clamping block (212), the clamping block (212) is placed in the square groove (242), the support plate (1) is provided with a No. 1 sliding groove (12), the support plate (21) is provided with a No. 1 sliding block (213), and the No. 1 sliding block (213) is slidably connected to the No. 1 sliding groove (12).

7. A steel structure support device for underground construction according to claim 6, characterized in that: The No. 3 connecting seat (36) is provided with a No. 2 sliding block (361), the hydraulic cylinder (33) is provided with a No. 2 sliding groove (331), and the No. 2 sliding block (361) and the No. 2 sliding groove (331) are slidably connected.

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