Supporting platform for tunnel construction

Abstract

The invention relates to the technical field of tunnel construction, in particular to a supporting platform for tunnel construction. The trundles are symmetrically arranged on the outer side of the bottom end of the supporting seat and rotationally connected with the supporting seat; the retractable type platform unit is connected with the supporting seat; the supporting and positioning units are symmetrically arranged on the inner side of the supporting seat, are connected with the supporting seat and are connected with the retractable platform unit; wherein the retractable platform unit comprises an adjustable platform assembly, a side platform retractable assembly and a multifunctional transmission control assembly, the retractable platform unit is arranged and matched with the supporting and positioning unit, the construction platform can be retracted and released, and the construction height and the construction direction can be adjusted; and therefore, constructors can comprehensively decorate the inner wall of the tunnel, equipment can be supported, adsorbed and fixed, and the stability and safety of the equipment during use are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of tunnel construction, in particular to a supporting platform for tunnel construction. Background Art

[0002] After the excavation and lining of a train or subway tunnel are completed, the interior of the tunnel needs to be decorated, such as painting and wiring. However, since the upper side of the tunnel is an arc-shaped surface and the lower bottom surface is a plane, some of the arc-shaped surfaces and the planes are connected by an inclined transition. Most of the tunnels with inclined transitions have a large inner diameter. When it is necessary to carry out decoration construction on the top of the tunnel, ordinary construction frames are often used to move back and forth left and right and front and back. The constant movement of the construction frames greatly reduces the construction speed, and ordinary support frames are difficult to fix at the inclined transitions and are prone to overturning, posing certain safety hazards. Therefore, in view of the above situation, it is urgent to develop a support platform for tunnel construction to overcome the shortcomings in current practical applications. Summary of the invention

[0003] The object of the present invention is to provide a support platform for tunnel construction to solve the problems raised in the above background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A support platform for tunnel construction, comprising: a support seat; casters, the casters are symmetrically arranged on the outer side of the bottom end of the support seat and are rotatably connected to the support seat; a retractable platform unit, the retractable platform unit is connected to the support seat and is used to cooperate with the support seat to complete the all-round decoration of the top of the tunnel; a support positioning unit, the support positioning unit is symmetrically arranged on the inner side of the support seat, connected to the support seat and the retractable platform unit, and is used to cooperate with the retractable platform unit to support the support seat and cooperate with the ground to achieve adsorption and fixation of the equipment; wherein, the retractable platform unit It includes: an adjustable platform component, a side platform retractable component and a multifunctional transmission and control component. The adjustable platform component is connected to the support base and is used to cooperate with the support base to adjust the construction height and construction direction. A multifunctional transmission and control component is also arranged on the inner side of the support base. The multifunctional transmission and control component is connected to the support positioning unit and is used to drive the support positioning unit to support and fix the support base. A side platform retractable component is arranged between the multifunctional transmission and control component and the adjustable platform component, which is used to cooperate with the multifunctional transmission and control component to drive the adjustable platform component to complete the decoration of the tunnel side wall.

[0005] As a further solution of the present invention: the adjustable platform assembly includes: a support platform, a retractable platform, a positioning slide plate, a support cylinder, a lifting column, a connecting slider, a retractable component and a driving source; the support cylinder is rotatably connected to the top shell wall of the support seat; the lifting column runs through the support; both sides of the lifting column are fixedly connected with connecting sliders slidably connected to the inner wall of the support cylinder; a retractable component is fixedly connected between the bottom end of the connecting slider and the support cylinder for cooperating with the support cylinder to realize the lifting of the lifting column; the outer side of the top end of the lifting column is fixedly connected with the support platform; the top shell wall of the support platform slides upward A folding and unfolding platform is dynamically connected, and positioning slides are fixedly connected on both sides of the folding and unfolding platform and are slidably connected to the shell wall of the supporting platform. The folding and unfolding platform is also connected to the side platform folding and unfolding assembly, and is used to cooperate with the side platform folding and unfolding assembly and the multi-functional transmission and control assembly to move laterally to complete the decoration of the tunnel side wall. A driving source fixedly connected to the supporting seat is provided on the outside of the supporting cylinder, and the output end of the driving source is fixedly connected to the control wheel. The control wheel is meshed with a rotating wheel fixedly connected to the outside of the supporting cylinder, and is used to cooperate with the driving source to drive the supporting cylinder to rotate to adjust the direction of the folding and unfolding platform.

[0006] As a further solution of the present invention: the side platform retracting and releasing assembly includes: an air guide seat, a pressure control tube, a support tube, a support plate, a connecting groove, a piston groove, an adjusting ring and a connecting plate, the support plate is arranged on the outer side of the bottom end of the support platform, an air guide seat is arranged on the outer side of the support plate, the air guide seat is fixedly connected to the top of the inner side of the lifting column, a connecting groove is arranged on the inner side of one end of the support plate close to the air guide seat, support tubes connected to the connecting grooves are fixedly connected to the outer sides of both ends of the support plate, and the other end of the support tube leads to the inner side of the air guide seat, The support plate is rotatably connected to the shell wall of the air guide seat, and a piston groove connected to the connecting groove is further provided on the inner side of the support plate. An adjusting ring is slidingly connected to the inner side of the piston groove, and a connecting plate is fixedly connected to the outer side of the adjusting ring. The other end of the connecting plate is rotatably connected to the shell wall of the bottom end of the retractable platform. Pressure control tubes connected to the multifunctional transmission and control component are fixedly connected at the bottom of both ends of the air guide seat, which are used to cooperate with the multifunctional transmission and control component to drive the air flow inside the air guide seat to realize the movement of the adjusting ring inside the piston groove, thereby completing the retraction and extension of the retractable platform.

[0007] As a further solution of the present invention: the multifunctional transmission and control assembly includes: a transmission and control plate, a lifting member, a power source, a control rod, a threaded rod, a transmission slider, a regulating plate, a pressure control member and a guide rod. The transmission and control plate is arranged on the inner side of the support seat and is connected to the support and positioning units on both sides. A lifting member is fixedly connected between the top of the transmission and control plate and the support seat. A power source is fixedly connected to the outer side of the top of the transmission and control plate. The output end of the power source is fixedly connected to the control rod. The threaded rod is sleeved on the outer side of the control rod and is rotatably connected to the lifting column. A transmission slider is fixedly connected to the outer side of the control rod. The transmission slider is slidably connected to a transmission slide groove arranged on the inner wall of the threaded rod, so as to realize the synchronous rotation of the control rod and the threaded rod. A regulating plate is also threadedly connected to the outer side of the threaded rod. The regulating plate is slidably connected to the guide rod fixedly connected to the inner side of the lifting column. A pressure control member arranged opposite to the pressure control tube is also fixedly connected to the outer side of the regulating plate, so as to cooperate with the rotation of the threaded rod to drive the pressure control member to lift and lower, so as to realize the driving of the opposite platform retracting and releasing assembly.

[0008] As a further solution of the present invention: the support positioning unit includes: an automatic pressure control component and an adsorption type support component, the adsorption type support component is symmetrically arranged on the inner side of the support seat, and the adsorption type support component is connected to the multifunctional transmission and control component through an automatic pressure control component, which is used to cooperate with the multifunctional transmission and control component to drive the adsorption type support component to rise and fall, thereby supporting the support seat and completing the adsorption connection between the adsorption type support component and the ground.

[0009] As a further solution of the present invention: the automatic pressure control component includes: a pressure control seat, a pressure regulating groove, a pressure sensing groove and a voltage-stabilizing tube; the pressure control seat is symmetrically arranged on the outside of the adsorption-type support assembly and fixedly connected to the inner wall of the support seat; the pressure regulating groove and the pressure sensing groove are arranged on the inside of the pressure control seat; the pressure regulating groove and the top of the pressure sensing groove are connected by a voltage-stabilizing tube; a pressure regulating part connected to the multifunctional transmission and control assembly is slidingly connected on the inside of the pressure regulating groove; a pressure sensing part connected to the adsorption-type support assembly is slidingly connected on the inside of the pressure sensing groove, which is used to cooperate with the movement of the pressure regulating part to realize the contact and adsorption fixation of the adsorption-type support assembly with the ground.

[0010] As a further solution of the present invention: the adsorption support assembly includes: an adsorption base, a positioning side plate, a positioning rod, a suction cup, a vacuum tube, a fixed rod and a negative pressure part, the adsorption base is symmetrically arranged on both sides of the multifunctional transmission and control assembly, and is slidably connected to the shell wall of the support seat, and the top is connected to the pressure sensing part, a plurality of suction cups are fixedly connected to the shell wall of the bottom end of the adsorption base, a vacuum tube is also fixedly connected to the shell wall of the top end of the adsorption base, a negative pressure part is slidably connected to the inner side of the vacuum tube, a fixing rod fixedly connected to the support seat is arranged between the negative pressure part and the support seat, the other end of the fixing rod is slidably connected to the negative pressure part, and a spring is fixedly connected between the fixing rod and the negative pressure part, which is used to cooperate with the movement of the adsorption base to realize the suction of the suction cup and complete the adsorption connection between the suction cup and the ground, positioning side plates are fixedly connected on both sides of the adsorption base, and the positioning side plates are slidably connected to the positioning rod fixedly connected to the inner side of the support seat, which is used to cooperate with the support seat to realize the positioning of the adsorption base after lifting.

[0011] Compared with the prior art, the present invention has the following beneficial effects: When the device is running, the multifunctional transmission and control component can drive the support and positioning unit, which can support the support seat and complete the adsorption connection with the ground during the support process, thereby ensuring the stability of the equipment when in use. The construction personnel stand on the adjustable platform component, which can adjust the construction height to complete the decoration of the top of the tunnel. The adjustable platform component can also adjust the construction direction. At the same time, the multifunctional transmission and control component can also drive the side platform retracting and extending component, which can drive the adjustable platform component to adjust the operating range, so that the construction personnel can adjust the side wall of the tunnel on the adjustable platform component. The present application is compared with the prior art in which ordinary construction frames are often used to move left and right, front and back when decoration construction is carried out on the top of the tunnel. The continuous movement of the construction frames greatly reduces the construction speed, and the ordinary support frames are difficult to fix at the transition of the slope and are easy to overturn, posing certain safety hazards. By setting a retractable platform unit and cooperating with a support positioning unit, the construction platform can be retracted and extended, and the construction height and construction orientation can be adjusted, so that the construction personnel can fully decorate the inner wall of the tunnel, and can also support and adsorb and fix the equipment, thereby ensuring the stability and safety of the equipment during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the structure of the support platform for tunnel construction.

[0013] Figure 2 A cross-sectional view of a support platform used for tunnel construction.

[0014] Figure 3This is a schematic diagram of the structure of the adjustable platform assembly in the support platform for tunnel construction.

[0015] Figure 4 This is a schematic diagram of the structure of the side platform retractable components of the support platform for tunnel construction.

[0016] Figure 5 This is a schematic diagram of the structure of the multifunctional transmission and control components in the support platform for tunnel construction.

[0017] Figure 6 This is a schematic diagram of the structure of the support positioning unit in the support platform for tunnel construction.

[0018] Figure 7 This is a schematic diagram of the structure of the automatic pressure control component in the support platform for tunnel construction.

[0019] Figure 8 This is a schematic diagram of the structure of the adsorption-type support assembly in the support platform for tunnel construction.

[0020] In the figure: 1-support seat, 2-castor, 3-retractable platform unit, 4-support positioning unit, 5-adjustable platform assembly, 6-side platform retractable assembly, 7-multifunctional transmission control assembly, 8-support platform, 9-retractable platform, 10-positioning slide plate, 11-safety buckle, 12-support cylinder, 13-lifting column, 14-connecting slider, 15-retractable member, 16-rotating wheel, 17-control wheel, 18-driving source, 19-air guide seat, 20-pressure control tube, 21-support tube, 22-support plate, 23-connecting groove, 24-piston groove, 25-adjusting ring, 26- Connecting plate, 27-positioning block, 28-transmission control plate, 29-lifting part, 30-power source, 31-control rod, 32-threaded rod, 33-transmission slider, 34-regulating plate, 35-pressure control part, 36-guide rod, 37-automatic pressure control assembly, 38-adsorption support assembly, 39-pressure control seat, 40-pressure regulating groove, 41-pressure sensing groove, 42-voltage stabilizing tube, 43-pressure regulating part, 44-pressure sensing part, 45-adsorption base, 46-positioning side plate, 47-positioning rod, 48-suction cup, 49-vacuum tube, 50-fixing rod, 51-negative pressure part. DETAILED DESCRIPTION

[0021] The technical solution of this patent is further described in detail below in conjunction with specific implementation methods.

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] See also Figure 1 and Figure 2 In one embodiment of the present invention, a support platform for tunnel construction includes: a support seat 1; casters 2, which are symmetrically arranged on the outer side of the bottom end of the support seat 1 and are rotatably connected to the support seat 1; a retractable platform unit 3, which is connected to the support seat 1 and is used to cooperate with the support seat 1 to complete the all-round decoration of the top of the tunnel; a support positioning unit 4, which is symmetrically arranged on the inner side of the support seat 1, connected to the support seat 1, and connected to the retractable platform unit 3, and is used to cooperate with the retractable platform unit 3 to support the support seat 1 and cooperate with the ground to achieve adsorption and fixation of the equipment; wherein, the retractable platform unit 3 is connected to the support seat 1 and is used to support the equipment. The platform unit 3 includes: an adjustable platform component 5, a side platform retractable component 6 and a multifunctional transmission and control component 7. The adjustable platform component 6 is connected to the support seat 1, and is used to cooperate with the support seat 1 to adjust the construction height and construction orientation. A multifunctional transmission and control component 7 is also arranged on the inner side of the support seat 1. The multifunctional transmission and control component 7 is connected to the support positioning unit 4, and is used to drive the support positioning unit 4 to support and fix the support seat 1. A side platform retractable component 6 is arranged between the multifunctional transmission and control component 7 and the adjustable platform component 5, and is used to cooperate with the multifunctional transmission and control component 7 to drive the adjustable platform component 5 to complete the decoration of the tunnel side wall.

[0024] In this embodiment, when the device is running, the multifunctional transmission and control component 7 can drive the support and positioning unit 4, the support and positioning unit 4 can complete the support of the support seat 1, and complete the adsorption connection with the ground during the support process, thereby ensuring the stability of the equipment when in use. The construction personnel stand on the adjustable platform component 5, the adjustable platform component 5 can adjust the construction height, and then complete the decoration of the top of the tunnel. The adjustable platform component 5 can also adjust the construction direction. At the same time, the multifunctional transmission and control component 7 can also drive the side platform retracting and extending component 6, and the side platform retracting and extending component 6 can drive the adjustable platform component 5 to adjust the operating range, so that the construction personnel can stand on the adjustable platform component 5. The side wall of the tunnel is decorated on the top, thereby realizing the comprehensive decoration of the tunnel. Compared with the prior art, when decorating the top of the tunnel, the present application often uses an ordinary construction frame to move back and forth left and right, front and back. The continuous movement of the construction frame greatly reduces the construction speed, and the ordinary support frame is difficult to fix at the transition of the slope and is easy to overturn, posing certain safety hazards. By setting a retractable platform unit 3 and cooperating with the support positioning unit 4, the construction platform can be retracted and extended, and the construction height and construction orientation can be adjusted, so that the construction personnel can fully decorate the inner wall of the tunnel, and can also support and adsorb and fix the equipment, thereby ensuring the stability and safety of the equipment during use.

[0025] In one embodiment of the present invention, please refer to Figure 2 and Figure 3 The adjustable platform assembly 5 includes: a support platform 8, a retractable platform 9, a positioning slide 10, a support cylinder 12, a lifting column 13, a connecting slider 14, a retractable component 15 and a driving source 18. The support cylinder 12 is rotatably connected to the top shell wall of the support seat 1, and the lifting column 13 runs through the support 12. Both sides of the lifting column 13 are fixedly connected with connecting sliders 14 that are slidably connected to the inner wall of the support cylinder 12. The bottom end of the connecting slider 14 is fixedly connected to the support cylinder 12 with a retractable component 15, which is used to cooperate with the support cylinder 12 to realize the lifting and lowering of the lifting column 13. The outer side of the top of the lifting column 13 is fixedly connected with the support platform 8. The top shell wall of the support platform 8 A folding and unfolding platform 9 is provided in a sliding connection, and positioning slide plates 10 slidably connected to the shell wall of the support platform 8 are fixedly connected on both sides of the folding and unfolding platform 9. The folding and unfolding platform 9 is also connected to the side platform folding and unfolding assembly 6, and is used to cooperate with the side platform folding and unfolding assembly 6 and the multifunctional transmission and control assembly 7 to move laterally to complete the decoration of the tunnel side wall. A driving source 18 fixedly connected to the support seat 1 is provided on the outside of the support cylinder 12, and the output end of the driving source 18 is fixedly connected to the control wheel 17. The control wheel 17 is meshed with a rotating wheel 16 fixedly connected to the outside of the support cylinder 12, and is used to cooperate with the driving source 18 to drive the support cylinder 12 to rotate to adjust the direction of the folding and unfolding platform 9.

[0026] In this embodiment, the driving source 18 is fixedly connected to the outer side of the top of the support seat 1, and the driving source 18 is a driving motor. The two sides of the lifting column 13 are fixedly connected with connecting sliders 14, and the connecting sliders 14 are slidably connected with the connecting slide grooves arranged on the inner wall of the supporting cylinder 12. The inner side of the connecting slide groove is provided with a retractable member 15 fixedly connected to the supporting cylinder 12, and the retractable member 15 is an electric telescopic rod. In addition, the top of the retractable platform 9 is flush with the top of the supporting platform 8. The construction personnel are located on the supporting platform 8 and can decorate the inner wall of the top of the tunnel. The multifunctional transmission control component 7 can drive the retractable platform 9 to move toward the side wall through the side platform retractable component 6. When the construction personnel are located on the extended retractable platform 9, they can decorate the inner walls on both sides of the tunnel. The equipment only needs to be moved to realize the comprehensive decoration of the inner wall of the tunnel. The retractable member 15 cooperates with the connecting slider 14 to realize the lifting and lowering of the lifting column 13, and the lifting column 13 drives the supporting platform 8 to lift and lower. At the same time, the driving source 18 can realize the rotation of the supporting cylinder 12 through the control wheel 13 and the rotating wheel 16. The supporting cylinder 12 cooperates with the connecting slider 14 to drive the lifting column 13 to rotate, thereby realizing the rotation of the supporting platform 8, so that the equipment can be applied to tunnels of different sizes. By setting the adjustable platform assembly 5, not only the lifting and lowering of the supporting platform 8 can be realized, but also the direction of the supporting platform 8 can be adjusted, and the retracting and releasing of the retractable platform 9 can be cooperated, so that the equipment can be applied to tunnels of different sizes and complete the comprehensive decoration of the inner wall of the tunnel. There is no need to move the equipment during the construction process, which greatly improves the construction efficiency. In addition, a safety buckle is fixedly connected to the outer side of the top of the retractable platform 9, and the safety buckle is connected to a safety rope. The other end of the safety rope is tied to the waist of the construction worker, which can prevent the construction worker from falling during the construction process and ensure the safety of the construction.

[0027] In one embodiment of the present invention, please refer to Figure 4The side platform retracting assembly 6 includes: an air guide seat 19, a pressure control tube 20, a support tube 21, a support plate 22, a connecting groove 23, a piston groove 24, an adjusting ring 25 and a connecting plate 26. The support plate 22 is arranged on the outer side of the bottom end of the support platform 8, and the air guide seat 19 is arranged on the outer side of the support plate 22. The air guide seat 19 is fixedly connected to the top of the inner side of the lifting column 13. The inner side of one end of the support plate 22 close to the air guide seat 19 is provided with a connecting groove 23. The outer sides of both ends of the support plate 22 are fixedly connected with support tubes 21 connected to the connecting groove 23, and the other end of the support tube 21 leads to the inner side of the air guide seat 19. , and is rotatably connected to the shell wall of the air guide seat 19. A piston groove 24 connected to the connecting groove 23 is also provided on the inner side of the support plate 22. An adjusting ring 25 is slidably connected to the inner side of the piston groove 24. A connecting plate 26 is fixedly connected to the outer side of the adjusting ring 25. The other end of the connecting plate 26 is rotatably connected to the shell wall of the bottom end of the folding and unfolding platform 9. The bottoms of both ends of the air guide seat 19 are fixedly connected with pressure control pipes 20 connected to the multifunctional transmission and control component 7, which are used to cooperate with the multifunctional transmission and control component 7 to drive the air flow inside the air guide seat 19 to realize the movement of the adjusting ring 25 inside the piston groove 24, thereby completing the folding and unfolding of the folding and unfolding platform 9.

[0028] In this embodiment, the air guide seat 19 is a clamp-shaped structure, a support plate 22 is provided on the inner side of the air guide seat 19, and support tubes 21 rotatably connected to the air guide seat 19 are fixedly connected on both sides of the support plate 22, wherein a sealing ring is fixedly connected to the outer side of the connection between the support tube 21 and the shell wall of the air guide seat 19, and a T-shaped structure is formed between the connecting groove 23 and the piston groove 24. In addition, positioning grooves are provided on the plate walls on both sides of the connecting plate 26, and a positioning block 27 fixedly connected to the support plate 22 is provided on the inner side of the positioning groove in a sliding connection, and the multifunctional transmission control component 7 can drive the air inside the pressure control tube 20 to enter the air guide seat 19 The adjusting ring 25 drives the connecting plate 26 to move along the positioning block 27, and drives the retracting and unretracting platform 9 to move horizontally, so as to realize the retracting and unretracting of the retracting and unretracting platform 9. The retracting and unretracting platform 9 is used to assist the construction personnel in decorating the side wall of the tunnel, so that there is no need to move the equipment left and right, thereby ensuring the construction efficiency. By setting the side platform retracting and unretracting component 6, the multifunctional transmission and control component 7 can be cooperated with to realize the automatic retracting and unretracting of the retracting and unretracting platform 9, thereby cooperating with the supporting platform 8 to complete the comprehensive construction of the inner wall of the tunnel, without moving the equipment during the construction process, thereby greatly improving the construction efficiency.

[0029] In one embodiment of the present invention, please refer to Figure 5The multifunctional transmission control assembly 7 includes: a transmission control plate 28, a lifting member 29, a power source 30, a control rod 31, a threaded rod 32, a transmission slider 33, a regulating plate 34, a pressure control member 35 and a guide rod 36. The transmission control plate 28 is arranged on the inner side of the support seat 1 and is connected to the support positioning units 4 on both sides. A lifting member 29 is fixedly connected between the top of the transmission control plate 28 and the support seat 1. A power source 30 is fixedly connected to the outer side of the top of the transmission control plate 28. The output end of the power source 30 is fixedly connected to the control rod 31. The threaded rod 32 is sleeved on the outer side of the control rod 31 and is rotatably connected to the lifting column 13. A transmission slider 33 is fixedly connected to the outer side of the control rod 31, and the transmission slider 33 is slidably connected to the transmission slide groove arranged on the inner wall of the threaded rod 32, so as to realize the synchronous rotation of the control rod 31 and the threaded rod 32. A regulating plate 34 is also threadedly connected to the outer side of the threaded rod 32, and the regulating plate 34 is slidably connected to the guide rod 36 fixedly connected to the inner side of the lifting column 13. A pressure control member 35 arranged opposite to the pressure control tube 20 is also fixedly connected to the outer side of the regulating plate 34, so as to cooperate with the rotation of the threaded rod 32 to drive the pressure control member 35 to be lifted and lowered, so as to realize the driving of the opposite side platform retracting and extending assembly 6.

[0030] In this embodiment, a lifting member 29 is fixedly connected between the top of the transmission and control plate 28 and the inner wall of the support seat 1. The lifting member 29 is an electric telescopic rod. A power source 30 is fixedly connected to the outer side of the top of the transmission and control plate 28. The power source 30 is a driving motor. The output end of the power source 30 is fixedly connected to the control rod 31. In addition, the pressure control member 35 includes a first push rod fixedly connected to the outer side of the regulating plate 34 and a first piston fixedly connected to the first push rod. The first piston is slidably connected to the pressure control tube 20. The lifting member 29 drives the transmission and control plate 28 to move, and the transmission and control plate 28 can complete the driving of the support positioning unit 4. At the same time, the power source 30 can drive the control rod 31 to rotate, and the control rod 31 drives the threaded rod 32 to rotate through the transmission slider 33. The threaded rod 32 drives the regulating plate 34 to move along the guide rod 36. The regulating plate 34 drives the first piston to move inside the pressure control tube 20 through the first push rod, thereby completing the driving of the opposite side platform retracting and extending assembly 6. By setting up the multifunctional transmission and control assembly 7, not only the driving of the support positioning unit 4 can be completed, but also the driving of the opposite side platform retracting and extending assembly 6 can be completed, which enhances the stability of the equipment during use, and can also complete the comprehensive construction of the inner wall of the tunnel without moving the device, greatly improving the construction efficiency and construction safety.

[0031] In one embodiment of the present invention, please refer to Figure 6The support positioning unit 4 includes: an automatic pressure control component 37 and an adsorption support component 38. The adsorption support component 38 is symmetrically arranged on the inner side of the support seat 1, and the adsorption support component 38 is connected to the multifunctional transmission and control component 7 through the automatic pressure control component 37, which is used to cooperate with the multifunctional transmission and control component 7 to drive the adsorption support component 38 to rise and fall, thereby supporting the support seat 1 and completing the adsorption connection between the adsorption support component 38 and the ground.

[0032] In this embodiment, the automatic pressure control component 37 is connected to the transmission and control plate 28. By setting the support positioning unit 4, the adsorption type support component 38 can be driven by the automatic pressure control component 37 when the transmission and control plate 28 is raised or lowered. The adsorption type support component 38 extends from the inner side of the support seat 1, contacts the ground, lifts up the support seat 1, and completes the adsorption connection with the ground, thereby ensuring the stability and reliability of the equipment during use.

[0033] In one embodiment of the present invention, please refer to Figure 7 The automatic pressure control component 37 includes: a pressure control seat 39, a pressure regulating groove 40, a pressure sensing groove 41 and a voltage-stabilizing tube 42. The pressure control seat 39 is symmetrically arranged on the outside of the adsorption-type support component 38 and is fixedly connected to the inner wall of the support seat 1. The pressure regulating groove 40 and the pressure sensing groove 41 are arranged on the inner side of the pressure control seat 39. The tops of the pressure regulating groove 40 and the pressure sensing groove 41 are connected through the voltage-stabilizing tube 42. A pressure regulating part 43 connected to the multifunctional transmission control component 7 is slidably connected on the inner side of the pressure regulating groove 40. A pressure sensing part 44 connected to the adsorption-type support component 38 is slidably connected on the inner side of the pressure sensing groove 41, which is used to cooperate with the movement of the pressure regulating part 43 to realize the contact and adsorption fixation of the adsorption-type support component 38 with the ground.

[0034] In this embodiment, pressure control seats 39 are symmetrically arranged on the outer sides of both ends of the transmission and control plate 28, wherein the pressure regulating component 43 includes a second push rod fixedly connected to the transmission and control plate 28 and a second piston fixedly connected to the second push rod, the second piston is slidably connected and arranged on the inner side of the pressure regulating groove 40, the pressure sensing component 44 includes a third piston slidably connected and arranged on the inner side of the pressure sensing groove 41 and a third push rod fixedly connected to the third piston, the other end of the third push rod is connected to the adsorption type support assembly 38, when the transmission and control plate 28 moves, it will drive the second piston to move inside the pressure regulating groove 40, the air located inside the pressure regulating groove 40 enters the inner side of the pressure sensing groove 41 along the voltage-stabilizing tube 42, realizes the lifting and lowering of the third piston inside the pressure sensing groove 41, and then completes the driving of the adsorption type support assembly 38, and by setting the automatic pressure control assembly 37, it can cooperate with the multifunctional transmission and control assembly 7 to complete the driving of the adsorption type support assembly 38, and then drive the adsorption type support assembly 38 to complete the support and fixation of the support seat 1.

[0035] In one embodiment of the present invention, please refer to Figure 8 The adsorption support assembly 38 includes: an adsorption base 45, a positioning side plate 46, a positioning rod 47, a suction cup 48, a vacuum tube 49, a fixing rod 50 and a negative pressure member 51. The adsorption base 45 is symmetrically arranged on both sides of the multifunctional transmission control assembly 7, and is slidably connected to the shell wall of the support seat 1, and the top is connected to the pressure sensing member 44. A plurality of suction cups 48 are fixedly connected to the shell wall of the bottom end of the adsorption base 45, and a vacuum tube 49 is also fixedly connected to the shell wall of the top end of the adsorption base 45. A negative pressure member 51 is slidably connected to the inner side of the vacuum tube 49, and the negative pressure member 51 is connected to the negative pressure member 51. A fixing rod 50 fixedly connected to the support seat 1 is provided between the support seats 1, and the other end of the fixing rod 50 is slidably connected to the negative pressure member 51, and a spring is fixedly connected between the fixing rod 50 and the negative pressure member 51, which is used to cooperate with the movement of the adsorption base 45 to realize the vacuum of the suction cup 48 and complete the adsorption connection between the suction cup 48 and the ground. Positioning side plates 46 are fixedly connected on both sides of the adsorption base 45, and the positioning side plates 46 are slidably connected to the positioning rod 47 fixedly connected to the inner side of the support seat 1, which is used to cooperate with the support seat 1 to realize the positioning of the adsorption base 45 after lifting.

[0036] In this embodiment, the negative pressure member 51 includes a fourth piston slidably connected to the inner side of the vacuum tube 49 and a fourth push rod fixedly connected to the fourth piston. The fourth push rod is slidably connected to the fixed rod 50. A spring is fixedly connected between the fixed rod 50 and the fourth push rod. The top of the adsorption base 45 is fixedly connected to the third push rod. As the second piston and the third piston move, the adsorption base 45 moves downward along the positioning rod 47. When the adsorption base 45 moves, the fourth piston cooperates with the negative pressure tube 49 to extract the air inside the adsorption base 45. The bottom end of the adsorption base 45 contacts the ground, and the suction cup 48 also contacts the ground. As the second piston continues to move, the adsorption base 45 props up the support base 1, and the air inside the suction cup 48 is also extracted. The suction cup 48 is adsorbed and connected to the ground. By setting the adsorption support assembly 38, not only can the support of the support base 1 be completed, but also the adsorption connection with the ground can be completed during the propping up process, thereby ensuring the stability and reliability of the equipment during use.

[0037] The support platform for tunnel construction can complete the retraction and extension of the construction platform and adjust the construction height and construction direction by setting a retractable platform unit 3 and cooperating with the support positioning unit 4, so that the construction personnel can fully decorate the inner wall of the tunnel, and can also support and adsorb and fix the equipment, ensuring the stability and safety of the equipment when in use. By setting the adjustable platform component 5, not only the lifting and lowering of the support platform 8 can be realized, but also the direction of the support platform 8 can be adjusted, and in conjunction with the retraction and extension of the retractable platform 9, the equipment can be suitable for tunnels of different sizes and complete the comprehensive decoration of the inner wall of the tunnel. There is no need to move the equipment during the construction process, which greatly improves the construction efficiency. By setting the side platform retractable component 6, the retractable platform 9 can be realized in conjunction with the multifunctional transmission and control component 7. It can be automatically retracted and extended, thereby cooperating with the support platform 8 to complete the comprehensive construction of the inner wall of the tunnel. There is no need to move the equipment during the construction process, which greatly improves the construction efficiency. By setting up the multifunctional transmission and control component 7, not only can the support positioning unit 4 be driven, but also the opposite platform retracting and extending component 6 can be driven, which enhances the stability of the equipment during use, and can also complete the comprehensive construction of the inner wall of the tunnel without moving the device, which greatly improves the construction efficiency and construction safety. By setting up the support positioning unit 4, the transmission and control plate 28 can drive the adsorption support component 38 through the automatic pressure control component 37 when it is raised and lowered. The adsorption support component 38 extends from the inner side of the support seat 1, contacts the ground, lifts the support seat 1, and completes the adsorption connection with the ground, ensuring the stability and reliability of the equipment during use.

[0038] The above are only preferred embodiments of the present invention. It should be pointed out that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the protection scope of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A support platform for tunnel construction, characterized in that: include: Support seat; Casters, the casters are symmetrically arranged on the outer side of the bottom end of the support base and are rotatably connected to the support base; A retractable platform unit, the retractable platform unit is connected to the support base and is used to cooperate with the support base to complete the all-round decoration of the top of the tunnel; A support positioning unit, the support positioning unit is symmetrically arranged inside the support base, connected to the support base and connected to the retractable platform unit, and is used to cooperate with the retractable platform unit to support the support base and cooperate with the ground to achieve adsorption and fixation of the equipment; Among them, the retractable platform unit includes: an adjustable platform component, a side platform retractable component and a multifunctional transmission and control component. The adjustable platform component is connected to the support seat, and is used to cooperate with the support seat to adjust the construction height and construction orientation. A multifunctional transmission and control component is also arranged on the inner side of the support seat. The multifunctional transmission and control component is connected to the support positioning unit, and is used to drive the support positioning unit to support and fix the support seat. A side platform retractable component is arranged between the multifunctional transmission and control component and the adjustable platform component, and is used to cooperate with the multifunctional transmission and control component to drive the adjustable platform component to complete the decoration of the tunnel side wall.

2. The support platform for tunnel construction according to claim 1, characterized in that: The adjustable platform assembly includes: a support platform, a retractable platform, a positioning slide plate, a support cylinder, a lifting column, a connecting slider, a retractable component and a driving source. The support cylinder is rotatably connected to the top shell wall of the support seat, and the lifting column runs through the support. Both sides of the lifting column are fixedly connected with connecting sliders that are slidably connected to the inner wall of the support cylinder. A retractable component is fixedly connected between the bottom end of the connecting slider and the support cylinder, which is used to cooperate with the support cylinder to realize the lifting of the lifting column. The outer side of the top of the lifting column is fixedly connected to the support platform, and a sliding connection is slidably provided on the top shell wall of the support platform. A folding and unfolding platform, both sides of which are fixedly connected with positioning slides that are slidably connected to the shell wall of the supporting platform, the folding and unfolding platform is also connected to the side platform folding and unfolding assembly, and is used to cooperate with the side platform folding and unfolding assembly and the multi-functional transmission and control assembly to move laterally to complete the decoration of the tunnel side wall, a driving source fixedly connected to the support seat is provided on the outside of the supporting cylinder, the output end of the driving source is fixedly connected to the control wheel, and the control wheel is meshed with a rotating wheel fixedly connected to the outside of the supporting cylinder, and is used to cooperate with the driving source to drive the supporting cylinder to rotate to adjust the direction of the folding and unfolding platform.

3. The support platform for tunnel construction according to claim 2, characterized in that: The side platform retractable assembly comprises: an air guide seat, a pressure control pipe, a support pipe, a support plate, a connecting groove, a piston groove, an adjusting ring and a connecting plate. The support plate is arranged on the outer side of the bottom end of the support platform, and an air guide seat is arranged on the outer side of the support plate. The air guide seat is fixedly connected to the top of the inner side of the lifting column. A connecting groove is arranged on the inner side of one end of the support plate close to the air guide seat. The outer sides of both ends of the support plate are fixedly connected with support pipes connected with the connecting groove. The other end of the support pipe leads to the inner side of the air guide seat and is rotatably connected with the shell wall of the air guide seat. The inner side of the support plate is also provided with a piston groove connected with the connecting groove. An adjusting ring is slidably connected to the inner side of the piston groove. A connecting plate is fixedly connected to the outer side of the adjusting ring. The other end of the connecting plate is rotatably connected to the shell wall of the bottom end of the retractable platform. The bottoms of both ends of the air guide seat are fixedly connected with pressure control pipes connected with the multifunctional transmission and control assembly, which are used to cooperate with the multifunctional transmission and control assembly to drive the air flow inside the air guide seat to realize the movement of the adjusting ring inside the piston groove, so as to complete the retracting and extending of the retractable platform.

4. The support platform for tunnel construction according to claim 3, characterized in that: The multifunctional transmission and control assembly comprises: a transmission and control plate, a lifting member, a power source, a control rod, a threaded rod, a transmission slider, a regulating plate, a pressure control member and a guide rod, wherein the transmission and control plate is arranged on the inner side of the support seat and is connected to the support and positioning units on both sides, and a lifting member is fixedly connected between the top of the transmission and control plate and the support seat, a power source is fixedly connected to the outer side of the top of the transmission and control plate, an output end of the power source is fixedly connected to the control rod, the threaded rod is sleeved on the outer side of the control rod and is rotatably connected to the lifting column, a transmission slider is fixedly connected to the outer side of the control rod, and the transmission slider is slidably connected to the transmission slide groove arranged on the inner wall of the threaded rod, so as to realize the synchronous rotation of the control rod and the threaded rod, a regulating plate is also threadedly connected to the outer side of the threaded rod, and the regulating plate is slidably connected to the guide rod fixedly connected to the inner side of the lifting column, and a pressure control member arranged opposite to the pressure control tube is also fixedly connected to the outer side of the regulating plate, so as to cooperate with the rotation of the threaded rod to drive the pressure control member to lift and lower, so as to realize the driving of the opposite platform retracting and releasing assembly.

5. The support platform for tunnel construction according to claim 1, characterized in that: The support positioning unit includes: an automatic pressure control component and an adsorption type support component. The adsorption type support component is symmetrically arranged on the inner side of the support base, and the adsorption type support component is connected to the multifunctional transmission and control component through an automatic pressure control component, which is used to cooperate with the multifunctional transmission and control component to drive the adsorption type support component to rise and fall, thereby supporting the support base and completing the adsorption connection between the adsorption type support component and the ground.

6. The support platform for tunnel construction according to claim 5, characterized in that: The automatic pressure control component includes: a pressure control seat, a pressure regulating groove, a pressure sensing groove and a voltage-stabilizing tube. The pressure control seat is symmetrically arranged on the outside of the adsorption-type support component and fixedly connected to the inner wall of the support seat. The pressure regulating groove and the pressure sensing groove are arranged on the inside of the pressure control seat. The tops of the pressure regulating groove and the pressure sensing groove are connected by a voltage-stabilizing tube. A pressure regulating part connected to the multifunctional transmission and control component is slidingly connected on the inside of the pressure regulating groove. A pressure sensing part connected to the adsorption-type support component is slidingly connected on the inside of the pressure sensing groove, which is used to cooperate with the movement of the pressure regulating part to realize the contact and adsorption fixation of the adsorption-type support component with the ground.

7. The support platform for tunnel construction according to claim 6, characterized in that: The adsorption-type support assembly comprises: an adsorption base, a positioning side plate, a positioning rod, a suction cup, a vacuum tube, a fixing rod and a negative pressure part, wherein the adsorption base is symmetrically arranged on both sides of the multifunctional transmission and control assembly, and is slidably connected to the shell wall of the support base, and the top end is connected to the pressure sensing part, a plurality of suction cups are fixedly connected to the shell wall of the bottom end of the adsorption base, a vacuum tube is also fixedly connected to the shell wall of the top end of the adsorption base, a negative pressure part is slidably connected to the inner side of the vacuum tube, a fixing rod fixedly connected to the support base is arranged between the negative pressure part and the support base, the other end of the fixing rod is slidably connected to the negative pressure part, and a spring is fixedly connected between the fixing rod and the negative pressure part, which is used to cooperate with the movement of the adsorption base to realize air extraction of the suction cup and complete the adsorption connection between the suction cup and the ground, positioning side plates are fixedly connected on both sides of the adsorption base, and the positioning side plates are slidably connected to the positioning rod fixedly connected to the inner side of the support base, which are used to cooperate with the support base to realize the positioning of the adsorption base after lifting.

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