CN114483124A - Adjustable tunnel section supporting mechanism for subway construction - Google Patents
Adjustable tunnel section supporting mechanism for subway construction Download PDFInfo
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- CN114483124A CN114483124A CN202210140833.2A CN202210140833A CN114483124A CN 114483124 A CN114483124 A CN 114483124A CN 202210140833 A CN202210140833 A CN 202210140833A CN 114483124 A CN114483124 A CN 114483124A
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- 238000010276 construction Methods 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 title claims abstract description 44
- 230000003014 reinforcing effect Effects 0.000 claims description 119
- 239000007787 solid Substances 0.000 claims description 17
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 2
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- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000670 limiting effect Effects 0.000 abstract description 7
- 230000008859 change Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D19/00—Provisional protective covers for working space
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Abstract
The invention provides an adjustable tunnel section supporting mechanism for subway construction, which is characterized in that a screw rod at the axis position of a fixed cylinder is driven by a driving device to rotate around the front and back direction, a movable frame moves backwards on the screw rod under the limiting action of a guide rail guide rod, a supporting rod is pushed by a push rod to move outwards along the radial direction of the fixed cylinder, and a supporting plate is pushed to move outwards so as to adapt to tunnel section support with a larger diameter, or the movable frame moves forwards on the screw rod under the limiting action of the guide rail guide rod, the supporting rod is pulled by the push rod to move inwards along the radial direction of the fixed cylinder, and the supporting plate is pulled to move inwards so as to adapt to tunnel section support with a smaller diameter. The adjustable tunnel section supporting mechanism for subway construction can change the supporting position according to the actual diameter of the tunnel, so that the adjustable tunnel section supporting mechanism for subway construction is wide in application range, low in construction cost, ingenious in design, simple in structure, simple and convenient to manufacture, low in cost and suitable for large-scale popularization and application.
Description
Technical Field
The invention relates to the technical field of subway tunnel construction, in particular to the technical field of a tunnel section supporting mechanism for subway construction, and specifically relates to an adjustable tunnel section supporting mechanism for subway construction.
Background
The tunnel is an engineering building buried in the ground, is a form of utilizing the underground space by human beings, can frequently relate to the tunnel construction work in the process of subway construction generally, and the appearance of tunnel construction plays an important role in the development of traffic engineering.
In order to prevent collapse caused by insecure tunnel structure, a tunnel section supporting mechanism is required to be used for supporting in the process of tunnel construction.
Traditional tunnel section supporting mechanism generally is fixed knot structure, simple structure, and support performance is not good enough, and can't carry out the change of support position according to the actual diameter in tunnel, leads to application scope to receive the restriction, increases construction cost.
Therefore, it is desirable to provide an adjustable tunnel section supporting mechanism for subway construction, which can support the change of position according to the actual diameter of the tunnel, so that the application range is wide, and the construction cost is reduced.
Disclosure of Invention
In order to overcome the disadvantages in the prior art, an object of the present invention is to provide an adjustable supporting mechanism for a tunnel section in subway construction, which can change a supporting position according to an actual diameter of a tunnel, so that the supporting mechanism has a wide application range, reduces construction cost, and is suitable for large-scale popularization and application.
The invention also aims to provide an adjustable tunnel section supporting mechanism for subway construction, which is ingenious in design, simple in structure, simple and convenient to manufacture, low in cost and suitable for large-scale popularization and application.
In order to achieve the above object, the present invention provides an adjustable tunnel section supporting mechanism for subway construction, which is characterized by comprising a fixed frame, a fixed cylinder, a driving device, a screw rod, a movable frame, a guide rail, a guide rod, a pushing assembly and a supporting assembly, wherein:
the fixed cylinder is arranged on the fixed frame along the front-back direction, the screw rod is arranged along the front-back direction and is positioned at the axis position of the fixed cylinder, the screw rod can be rotatably arranged around the front-back direction, the driving device is arranged on the fixed cylinder and is connected with the screw rod for driving the screw rod to rotate around the front-back direction, the movable frame is vertically arranged and is arranged along the left-right direction, the movable frame is sleeved on the screw rod and is in threaded engagement with the screw rod, the guide rail is arranged in the fixed cylinder along the front-back direction, the guide rod is arranged along the radial direction of the fixed cylinder, one end of the guide rod is movably arranged in the guide rail along the front-back direction, and the other end of the guide rod is connected with the movable frame;
the supporting component includes bracing piece and backup pad, the bracing piece is followed the radial setting of solid fixed cylinder, the one end of bracing piece is located in the solid fixed cylinder, the middle part of bracing piece is followed the solid fixed cylinder radially portable wear to establish the lateral wall of solid fixed cylinder, the other end of bracing piece is located the solid fixed cylinder is outer to be connected the backup pad, the promotion subassembly includes the push rod, the push rod is followed the fore-and-aft direction slope sets up, the rear end of push rod for the front end of push rod is kept away from the lead screw, the front end of push rod with the rear end of push rod respectively around with the tangent parallel direction rotatable coupling of tangent line of solid fixed cylinder the adjustable shelf with the one end of bracing piece.
Preferably, tunnel section supporting mechanism is used in subway construction with adjustable still includes connecting axle, driven gear and driving gear, the connecting axle is followed the fore-and-aft direction sets up the duplex winding the fore-and-aft direction is rotatable wear to establish in the preceding terminal surface of solid fixed cylinder and with the lead screw coaxial line sets up, the rear end of connecting axle is located in the solid fixed cylinder and connect the front end of lead screw, the front end of connecting axle is located the preceding terminal surface of solid fixed cylinder before, driven gear with the driving gear is all vertical to be set up and all follow the left and right directions sets up and intermeshing sets up, driven gear cup joints the front end of connecting axle on, drive arrangement set up the preceding terminal surface of solid fixed cylinder on connect the driving gear is used for driving the driving gear around the fore-and-aft direction rotates.
Preferably, the supporting component still includes left down tube and right down tube, left side down tube with right down tube is located respectively the left side and the right of bracing piece just become the V font setting each other, left side down tube with right down tube all is located the backup pad with equally divide between the bracing piece and do not connect the backup pad with the bracing piece.
Preferably, the number of the supporting rods is multiple, the supporting rods are arranged around the screw rods at intervals, the number of the supporting plates and the number of the push rods are the same as the number of the supporting rods, and the supporting plates, the push rods and the supporting rods are arranged in a one-to-one correspondence manner.
Preferably, the adjustable tunnel section supporting mechanism for subway construction further comprises a reinforcing assembly, the reinforcing assembly comprises a reinforcing rod, a first elastic telescopic structure and a second elastic telescopic structure, the first elastic telescopic structure and the second elastic telescopic structure are respectively arranged at two ends of the reinforcing rod and are respectively arranged along the length direction of the reinforcing rod in an elastic telescopic mode, the reinforcing assembly is located between two adjacent supporting rods, and the first elastic telescopic structure and the second elastic telescopic structure are respectively connected with the two adjacent supporting rods.
Furthermore, the first elastic expansion structure comprises a first reinforcing seat, a first sliding block, a first connecting rod and a first elastic piece, the first slide block is movably arranged in the reinforcing rod along the length direction of the reinforcing rod, the first connecting rod can movably penetrate through one end of the reinforcing rod along the length direction of the reinforcing rod, one end of the first connecting rod is positioned in the reinforcing rod and connected with the first sliding block, the other end of the first connecting rod is positioned outside one end of the reinforcing rod and connected with the first reinforcing seat, the first elastic piece is arranged along the length direction of the reinforcing rod, is positioned between one end of the reinforcing rod and the first reinforcing seat and is respectively connected with one end of the reinforcing rod and the first reinforcing seat, and the first reinforcing seat is connected with one of the two adjacent supporting rods; the second elastic telescopic structure comprises a second reinforcing seat, a second slider, a second connecting rod and a second elastic part, the second slider is movably arranged in the reinforcing rod along the length direction of the reinforcing rod, the second connecting rod movably penetrates through the other end of the reinforcing rod along the length direction of the reinforcing rod, one end of the second connecting rod is positioned in the reinforcing rod and is connected with the second slider, the other end of the second connecting rod is positioned outside the other end of the reinforcing rod and is connected with the second reinforcing seat, the second elastic part is arranged along the length direction of the reinforcing rod and is positioned between the other end of the reinforcing rod and the second reinforcing seat and is respectively connected with the other end of the reinforcing rod and the second reinforcing seat, and the second reinforcing seat is connected with the rest one of the two adjacent supporting rods, the first sliding block and the second sliding block are arranged at intervals along the length direction of the reinforcing rod.
Preferably, the support plate is an arc-shaped support plate, and the arc-shaped support plate is positioned on the circumference of one concentric circle of the circle where the side wall of the fixed cylinder is positioned.
Preferably, the number of the movable frames is multiple, the movable frames are arranged at intervals along the front-back direction, the number of the guide rods, the number of the pushing assemblies and the number of the supporting assemblies are all the same as the number of the movable frames, and the guide rods, the pushing assemblies, the supporting assemblies and the movable frames are arranged in a one-to-one correspondence manner.
Preferably, the adjustable tunnel section supporting mechanism for subway construction further comprises a control device, wherein the control device is arranged on the fixing frame and is in signal connection with the driving device to control the action of the driving device.
Preferably, tunnel section supporting mechanism is used in subway construction with adjustable still includes walking track and walking wheel, the walking track is followed the fore-and-aft direction sets up, the walking wheel is followed the fore-and-aft direction can roll the setting and be in on the walking track, the mount sets up on the walking wheel.
The invention has the following beneficial effects:
1. the adjustable tunnel section supporting mechanism for subway construction drives the screw rod at the axis position of the fixed cylinder to rotate around the front and back direction through the driving device, the movable frame moves backwards on the screw rod under the limiting action of the guide rail guide rod, the support rod is pushed by the push rod to move outwards along the radial direction of the fixed cylinder, and the support plate is pushed to move outwards to adapt to tunnel section support with a larger diameter.
2. The adjustable tunnel section supporting mechanism for subway construction drives the screw rod at the axis position of the fixed cylinder to rotate around the front and back direction through the driving device, so that the movable frame moves backwards on the screw rod under the limiting action of the guide rail guide rod, the support rod is pushed by the push rod to move outwards along the radial direction of the fixed cylinder, and the support plate is pushed to move outwards to adapt to tunnel section support with a larger diameter.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description and accompanying drawings, wherein like reference numerals refer to like parts throughout the several views, and wherein like reference numerals refer to like parts throughout the several views.
Drawings
Fig. 1 is a schematic perspective view of a tunnel section supported by an embodiment of the adjustable tunnel section supporting mechanism for subway construction of the present invention.
Fig. 2 is a partial perspective exploded view of the embodiment shown in fig. 1.
Fig. 3 is a perspective view illustrating a connection structure of a guide bar, a guide rail, a movable frame, a pushing assembly, and a support assembly according to the embodiment shown in fig. 1.
FIG. 4 is a perspective view of the reinforcement assembly of the embodiment shown in FIG. 1.
(symbol description)
1, fixing a frame; 2, fixing the cylinder; 3 a driving device; 4, a screw rod; 5, a movable frame; 6, a guide rail; 7, a guide rod; 8, a pushing component; 9 supporting the assembly; 10 supporting rods; 11 a support plate; 12, pushing a rod; 13 connecting the shaft; 14 a driven gear; 15 a drive gear; 16 motor shafts; 17 left diagonal rod; 18 right diagonal rods; 19 a reinforcing component; 20 reinforcing rods; 21 a first elastically stretchable structure; 22 a second elastically telescopic structure; 23 a first reinforcement seat; 24 a first slider; 25 a first connecting rod; 26 a first resilient member; 27 a second reinforcement seat; 28 a second slide; 29 a second connecting rod; 30 a second elastic member; 31 a first locking bolt; 32 a second locking bolt; 33 a guide groove; 34 an inverted T-shaped end; 35 a control device; 36 walking tracks; 37 road wheels; 38 tunnel.
Detailed Description
In order to clearly understand the technical contents of the present invention, the following examples are given in detail.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 4, in an embodiment of the present invention, an adjustable supporting mechanism for a tunnel section for subway construction includes a fixed frame 1, a fixed cylinder 2, a driving device 3, a screw rod 4, a movable frame 5, a guide rail 6, a guide rod 7, a pushing assembly 8, and a supporting assembly 9, wherein:
the fixed cylinder 2 is arranged on the fixed frame 1 along the front-back direction, the lead screw 4 is arranged along the front-back direction and is positioned at the axis position of the fixed cylinder 2, the lead screw 4 is rotatably arranged around the front-back direction, the driving device 3 is arranged on the fixed cylinder 2 and is connected with the lead screw 4 for driving the lead screw 4 to rotate around the front-back direction, the movable frame 5 is vertically arranged and is arranged along the left-right direction, the movable frame 5 is sleeved on the lead screw 4 and is in threaded engagement with the lead screw 4, the guide rail 6 is arranged in the fixed cylinder 2 along the front-back direction, the guide rod 7 is arranged along the radial direction of the fixed cylinder 2, one end of the guide rod 7 is movably arranged in the guide rail 6 along the front-back direction, and the other end of the guide rod 7 is connected with the movable frame 5;
the supporting component 9 comprises a supporting rod 10 and a supporting plate 11, the supporting rod 10 is arranged along the radial direction of the fixed cylinder 2, one end of the supporting rod 10 is arranged in the fixed cylinder 2, the middle of the supporting rod 10 is arranged along the radial direction of the fixed cylinder 2, the fixed cylinder 2 can move in the radial direction and penetrate through the side wall of the fixed cylinder 2, the other end of the supporting rod 10 is arranged outside the fixed cylinder 2 and connected with the supporting plate 11, the pushing component 8 comprises a push rod 12, the push rod 12 is arranged along the front-back direction in an inclined mode, the rear end of the push rod 12 is opposite to the front end of the push rod 12, the lead screw 4 is far away from, the front end of the push rod 12 and the rear end of the push rod 12 are respectively tangent to and connected with the direction parallel to the tangent line of the side wall of the fixed cylinder 2, and the movable frame 5 and one end of the supporting rod 10 are tangent to each other.
The drive means 3 may be any suitable drive means, and in a particular embodiment of the invention, the drive means 3 is a drive motor.
The driving device 3 is connected to the screw rod 4, and any suitable structure can be adopted, please refer to fig. 1-2, in a specific embodiment of the present invention, the adjustable tunnel section supporting mechanism for subway construction further includes a connecting shaft 13, a driven gear 14 and a driving gear 15, the connecting shaft 13 is disposed along the front-back direction and is rotatably inserted into the front end surface of the fixed cylinder 2 around the front-back direction and is coaxial with the screw rod 4, the rear end of the connecting shaft 13 is located in the fixed cylinder 2 and is connected to the front end of the screw rod 4, the front end of the connecting shaft 13 is located in front of the front end surface of the fixed cylinder 2, the driven gear 14 and the driving gear 15 are vertically disposed and are disposed along the left-right direction and are engaged with each other, the driven gear 14 is sleeved on the front end of the connecting shaft 13, the driving device 3 is disposed on the front end surface of the fixed cylinder 2 and connected to the driving gear 15 for driving the driving gear 15 to rotate around the front-back direction. In the case where the driving device 3 is a driving motor, a motor shaft 16 of the driving motor is disposed along the front-rear direction, and the driving gear 15 is sleeved on the motor shaft 16.
The rear end of the screw rod 4 may be connected to the rear end surface of the fixed cylinder 2, or may not be connected to the rear end surface of the fixed cylinder 2, and in a specific embodiment of the present invention, the rear end of the screw rod 4 is rotatably disposed in the rear end surface of the fixed cylinder 2 around the front-rear direction.
The supporting assembly 9 may also include any other suitable structure, as shown in fig. 1 and 3, in an embodiment of the present invention, the supporting assembly 9 further includes a left inclined rod 17 and a right inclined rod 18, the left inclined rod 17 and the right inclined rod 18 are respectively located at the left and right sides of the supporting rod 10 and are arranged in a V shape, and the left inclined rod 17 and the right inclined rod 18 are both located between the supporting plate 11 and the supporting rod 10 and are both connected to the supporting plate 11 and the supporting rod 10 respectively.
In the supporting assembly 9, the number of the supporting rods 10 can be determined as required, preferably, the number of the supporting rods 10 is multiple, the supporting rods 10 surround the lead screw 4 and are arranged at intervals, the number of the supporting plates 11 and the number of the push rods 12 are the same as the number of the supporting rods 10, and the supporting plates 11, the push rods 12 and the supporting rods 10 are arranged in a one-to-one correspondence manner. Referring to fig. 1 to 3, in an embodiment of the present invention, the number of the support rods 10 is 3, one of the support rods 10 is vertically disposed, and the other two support rods 10 are respectively disposed on the left and right sides of the one support rod 10 and are arranged in an inverted-splayed manner.
As shown in fig. 1 to 4, in a specific embodiment of the present invention, the adjustable tunnel cross-section supporting mechanism for subway construction further includes a reinforcing assembly 19, the reinforcing assembly 19 includes a reinforcing rod 20, a first elastic telescopic structure 21 and a second elastic telescopic structure 22, the first elastic telescopic structure 21 and the second elastic telescopic structure 22 are respectively disposed at two ends of the reinforcing rod 20 and are both elastically and telescopically disposed along a length direction of the reinforcing rod 20, the reinforcing assembly 19 is located between two adjacent supporting rods 10, and the first elastic telescopic structure 21 and the second elastic telescopic structure 22 are respectively connected to the two adjacent supporting rods 10. Under the condition that the figure of bracing piece 10 is 3, the figure of strengthening the subassembly 19 is 2, sets up respectively and is being located the left bracing piece 10 with be located in the centre between the bracing piece 10 and be located in the centre the bracing piece 10 with be located the right between the bracing piece 10, specifically, be located the left side strengthen subassembly 19 first elasticity extending structure 21 with second elasticity extending structure 22 connect respectively and be located the left side the front side of bracing piece 10 and be located in the centre the front side of bracing piece 10, be located the right strengthen subassembly 19 first elasticity extending structure 21 with second elasticity extending structure 22 connect respectively and be located in the centre the rear side of bracing piece 10 and be located the right the rear side of bracing piece 10 for bracing piece 9 can connect into a whole, can strengthen whole.
The first elastically stretchable structure 21 and the second elastically stretchable structure 22 may have any suitable structure, as shown in fig. 1 to 4, in an embodiment of the present invention, the first elastically stretchable structure 21 includes a first reinforcing seat 23, a first slider 24, a first connecting rod 25 and a first elastic member 26, the first slider 24 is movably disposed in the reinforcing rod 20 along the length direction of the reinforcing rod 20, the first connecting rod 25 is movably disposed through one end of the reinforcing rod 20 along the length direction of the reinforcing rod 20, one end of the first connecting rod 25 is disposed in the reinforcing rod 20 and connected to the first slider 24, the other end of the first connecting rod 25 is disposed outside one end of the reinforcing rod 20 and connected to the first reinforcing seat 23, and the first elastic member 26 is disposed along the length direction of the reinforcing rod 20 and disposed between one end of the reinforcing rod 20 and the first reinforcing seat 23 and respectively connected to the one end of the reinforcing rod 20 and the first reinforcing seat 23 One end of the reinforcing rod 20 is connected with the first reinforcing seat 23, and the first reinforcing seat 23 is connected with one of the two adjacent supporting rods 10; the second elastic telescopic structure 22 comprises a second reinforcing seat 27, a second slider 28, a second connecting rod 29 and a second elastic member 30, the second slider 28 is movably arranged in the reinforcing rod 20 along the length direction of the reinforcing rod 20, the second connecting rod 29 is movably arranged through the other end of the reinforcing rod 20 along the length direction of the reinforcing rod 20, one end of the second connecting rod 29 is arranged in the reinforcing rod 20 and connected with the second slider 28, the other end of the second connecting rod 29 is arranged outside the other end of the reinforcing rod 20 and connected with the second reinforcing seat 27, the second elastic member 30 is arranged along the length direction of the reinforcing rod 20 and is arranged between the other end of the reinforcing rod 20 and the second reinforcing seat 27 and respectively connected with the other end of the reinforcing rod 20 and the second reinforcing seat 27, the second reinforcing seat 27 is connected with the remaining one of the two adjacent supporting rods 10, the first slider 24 and the second slider 28 are spaced apart from each other along the length of the reinforcing bar 20.
The first reinforcing seat 23 is connected to one of the two adjacent support rods 10, and the second reinforcing seat 27 is connected to the remaining one of the two adjacent support rods 10, which may be of any suitable structure, as shown in fig. 2 and 4, in an embodiment of the present invention, the first reinforcing seat 23 is connected to a first screw hole (not shown) provided in one of the two adjacent support rods 10 by a first locking bolt 31, and the second reinforcing seat 27 is connected to a second screw hole (not shown) provided in the remaining one of the two adjacent support rods 10 by a second locking bolt 32.
The first elastic element 26 and the second elastic element 30 can be any suitable elastic elements, and referring to fig. 4, in an embodiment of the present invention, the first elastic element 26 is a first spring, the first spring is sleeved on the first connecting rod 25, the second elastic element 30 is a second spring, and the second spring is sleeved on the second connecting rod 29.
The support plate 11 may have any suitable shape, and as shown in fig. 1 and 3, in an embodiment of the present invention, the support plate 11 is an arc-shaped support plate, and the arc-shaped support plate is located on the circumference of one of concentric circles of the circle where the side wall of the fixed cylinder 2 is located.
The guide rail 6 may be located at any suitable position of the screw rod 4, as shown in fig. 2 and 3, in an embodiment of the present invention, the guide rail 6 is located below the screw rod 4, the guide rod 7 is vertically disposed, one end of the guide rod 7 is a lower end of the guide rod 7, and the other end of the guide rod 7 is an upper end of the guide rod 7.
One end of the guide bar 7 is movably disposed in the guide rail 6 along the front-back direction, and any suitable structure may be adopted, as shown in fig. 2 and 3, in an embodiment of the present invention, a top portion of the guide rail 6 is provided with a guide groove 33 along the front-back direction, and a lower end of the guide bar 7 is movably disposed in the guide groove 33 along the front-back direction.
The cross section of the guide groove 33 and one end of the guide rod 7 may have any suitable shape, as shown in fig. 2 and 3, and in one embodiment of the present invention, the cross section of the guide groove 33 is an inverted T-shape, and one end of the guide rod 7 is an inverted T-shaped end 34.
The number of the movable frames 5 can be determined as required, preferably, the number of the movable frames 5 is multiple, the multiple movable frames 5 are arranged at intervals along the front-back direction, the number of the guide rods 7, the number of the pushing assemblies 8 and the number of the supporting assemblies 9 are all the same as the number of the movable frames 5, and the guide rods 7, the pushing assemblies 8, the supporting assemblies 9 and the movable frames 5 are arranged in a one-to-one correspondence manner. Referring to fig. 2, in an embodiment of the present invention, the number of the movable frames 5 is 3.
The adjustable tunnel section supporting mechanism for subway construction may further include any other suitable structure, as shown in fig. 1, in an embodiment of the present invention, the adjustable tunnel section supporting mechanism for subway construction further includes a control device 35, and the control device 35 is disposed on the fixing frame 1 and is in signal connection with the driving device 3 for controlling the operation of the driving device 3.
The adjustable tunnel section supporting mechanism for subway construction may further include any other suitable components, as shown in fig. 1, in a specific embodiment of the present invention, the adjustable tunnel section supporting mechanism for subway construction further includes a traveling rail 36 and traveling wheels 37, the traveling rail 36 is disposed along the front-back direction, the traveling wheels 37 are disposed on the traveling rail 36 in a rolling manner along the front-back direction, and the fixing frame 1 is disposed on the traveling wheels 37.
On the walking track 36, the number of the walking wheels 37 can be determined according to the needs, and more preferably, the number of the walking wheels 37 is multiple, and the multiple walking wheels 37 are arranged at intervals along the front-back direction. Referring to fig. 1, in an embodiment of the present invention, the number of the road wheels 37 is 2.
The number of the traveling rails 36 may be determined as required, and more preferably, the number of the traveling rails 36 is plural, and the plural traveling rails 36 are arranged at intervals along the left-right direction. Referring to fig. 1 to 4, in an embodiment of the present invention, the number of the traveling tracks 36 is 2.
When in use, for example, the tunnel 38 is arranged along the front-back direction, if the cross section of the tunnel 38 has a larger diameter, the fixed frame 1 is pushed to move to the position where the cross section of the tunnel 38 needs to be supported by the walking track 36 and the walking wheel 37, the driving device 3 is controlled by the control device 35 to work, the driving gear 15 is driven by the driving device 3 to rotate around the front-back direction, the driven gear 14 is driven to rotate around the front-back direction, the lead screw 4 is driven by the connecting shaft 13 to rotate around the front-back direction, the movable frame 5 moves back on the lead screw 4 under the limiting action of the guide rod 7 of the guide rail 6, the support rod 10 is pushed by the push rod 12 to move outwards along the radial direction of the fixed cylinder 2, the support plate 11 is pushed to move outwards until the support plate 11 abuts against the inner wall of the cross section of the tunnel 38 to support the cross section of the tunnel 38, and in the process, the first reinforcement seat 23 and the second reinforcement seat 27 of the reinforcement assembly 19 are far away from each other along the length direction of the reinforcement rod 20, the first and second elastic members 26, 30 are stretched and the first and second sliders 24, 28 are moved away from each other along the length of the reinforcing bar 20.
If the section of the tunnel 38 has a smaller diameter, the driving device 3 is controlled by the control device 35 to operate, the driving gear 15 is driven by the driving device 3 to rotate around the front-back direction, the driven gear 14 is driven to rotate around the front-back direction, the screw rod 4 is driven to rotate around the front-back direction by the connecting shaft 13, under the limiting action of the guide rod 7 of the guide rail 6, the movable frame 5 moves forward on the screw rod 4, the support rod 10 is pulled by the push rod 12 to move inwards along the radial direction of the fixed cylinder 2, the support plate 11 is pulled to move inwards until the tunnel 38 section can be entered, in the process, under the pulling force of the first elastic member 26 and the second elastic member 30, the first reinforcing seat 23 and the second reinforcing seat 27 of the reinforcing component 19 approach each other along the length direction of the reinforcing rod 20, and the first sliding block 24 and the second sliding block 28 approach each other along the length direction of the reinforcing rod 20, and then the operation process of supporting the section of the tunnel 38 with a larger diameter is repeated, supporting the tunnel 38 in cross section.
In conclusion, the adjustable tunnel section supporting mechanism for subway construction can change the supporting position according to the actual diameter of the tunnel, so that the adjustable tunnel section supporting mechanism for subway construction is wide in application range, low in construction cost, ingenious in design, simple in structure, simple and convenient to manufacture, low in cost and suitable for large-scale popularization and application.
It will thus be seen that the objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments, and the embodiments may be modified without departing from the principles. Therefore, this invention includes all modifications encompassed within the spirit and scope of the claims.
Claims (10)
1. The utility model provides a tunnel section supporting mechanism for subway construction with adjustable, its characterized in that, includes mount, solid fixed cylinder, drive arrangement, lead screw, adjustable shelf, guide rail, guide arm, promotion subassembly and supporting component, wherein:
the fixed cylinder is arranged on the fixed frame along the front-back direction, the screw rod is arranged along the front-back direction and is positioned at the axis position of the fixed cylinder, the screw rod can be rotatably arranged around the front-back direction, the driving device is arranged on the fixed cylinder and is connected with the screw rod for driving the screw rod to rotate around the front-back direction, the movable frame is vertically arranged and is arranged along the left-right direction, the movable frame is sleeved on the screw rod and is in threaded engagement with the screw rod, the guide rail is arranged in the fixed cylinder along the front-back direction, the guide rod is arranged along the radial direction of the fixed cylinder, one end of the guide rod is movably arranged in the guide rail along the front-back direction, and the other end of the guide rod is connected with the movable frame;
the supporting component includes bracing piece and backup pad, the bracing piece is followed the radial setting of solid fixed cylinder, the one end of bracing piece is located in the solid fixed cylinder, the middle part of bracing piece is followed the solid fixed cylinder radially portable wear to establish the lateral wall of solid fixed cylinder, the other end of bracing piece is located the solid fixed cylinder is outer to be connected the backup pad, the promotion subassembly includes the push rod, the push rod is followed the fore-and-aft direction slope sets up, the rear end of push rod for the front end of push rod is kept away from the lead screw, the front end of push rod with the rear end of push rod respectively around with the tangent parallel direction rotatable coupling of tangent line of solid fixed cylinder the adjustable shelf with the one end of bracing piece.
2. The adjustable tunnel section supporting mechanism for subway construction as claimed in claim 1, the adjustable tunnel section supporting mechanism for subway construction further comprises a connecting shaft, a driven gear and a driving gear, the connecting shaft is arranged along the front-back direction, rotatably penetrates through the front end face of the fixed cylinder in the front-back direction and is coaxial with the screw rod, the rear end of the connecting shaft is positioned in the fixed cylinder and connected with the front end of the screw rod, the front end of the connecting shaft is positioned in front of the front end surface of the fixed cylinder, the driven gear and the driving gear are both vertically arranged and are both arranged along the left-right direction and are mutually meshed, the driven gear is sleeved on the front end of the connecting shaft, and the driving device is arranged on the front end face of the fixed cylinder and connected with the driving gear to drive the driving gear to rotate around the front-back direction.
3. The adjustable tunnel section supporting mechanism for subway construction as claimed in claim 1, wherein said supporting assembly further comprises a left diagonal member and a right diagonal member, said left diagonal member and said right diagonal member are respectively located at left and right sides of said supporting bar and are arranged in a V-shape with each other, and said left diagonal member and said right diagonal member are both located between said supporting plate and said supporting bar and are equally connected to said supporting plate and said supporting bar, respectively.
4. The adjustable tunnel section supporting mechanism for subway construction as claimed in claim 1, wherein said number of said supporting rods is plural, said plural supporting rods are arranged around said screw rod at intervals, both the number of said supporting plates and the number of said push rods are the same as the number of said supporting rods, and said supporting plates, said push rods and said supporting rods are arranged in one-to-one correspondence.
5. The adjustable tunnel section supporting mechanism for subway construction as claimed in claim 4, wherein said adjustable tunnel section supporting mechanism for subway construction further comprises a reinforcing component, said reinforcing component comprises a reinforcing rod, a first elastic telescopic structure and a second elastic telescopic structure, said first elastic telescopic structure and said second elastic telescopic structure are respectively disposed at two ends of said reinforcing rod and are elastically and telescopically disposed along the length direction of said reinforcing rod, said reinforcing component is located between two adjacent supporting rods, and said first elastic telescopic structure and said second elastic telescopic structure are respectively connected to said two adjacent supporting rods.
6. The adjustable tunnel section supporting mechanism for subway construction as claimed in claim 5, wherein said first elastic telescopic structure comprises a first reinforcing seat, a first slider, a first connecting rod and a first elastic member, said first slider is movably disposed in said reinforcing rod along the length direction of said reinforcing rod, said first connecting rod is movably disposed through one end of said reinforcing rod along the length direction of said reinforcing rod, one end of said first connecting rod is disposed in said reinforcing rod and connected to said first slider, the other end of said first connecting rod is disposed outside one end of said reinforcing rod and connected to said first reinforcing seat, said first elastic member is disposed along the length direction of said reinforcing rod and is disposed between one end of said reinforcing rod and said first reinforcing seat and is connected to one end of said reinforcing rod and said first reinforcing seat respectively, the first reinforcing seat is connected with one of the two adjacent supporting rods; the second elastic telescopic structure comprises a second reinforcing seat, a second slider, a second connecting rod and a second elastic part, the second slider is movably arranged in the reinforcing rod along the length direction of the reinforcing rod, the second connecting rod movably penetrates through the other end of the reinforcing rod along the length direction of the reinforcing rod, one end of the second connecting rod is positioned in the reinforcing rod and is connected with the second slider, the other end of the second connecting rod is positioned outside the other end of the reinforcing rod and is connected with the second reinforcing seat, the second elastic part is arranged along the length direction of the reinforcing rod and is positioned between the other end of the reinforcing rod and the second reinforcing seat and is respectively connected with the other end of the reinforcing rod and the second reinforcing seat, and the second reinforcing seat is connected with the rest one of the two adjacent supporting rods, the first sliding block and the second sliding block are arranged at intervals along the length direction of the reinforcing rod.
7. The adjustable tunnel section supporting mechanism for subway construction as claimed in claim 1, wherein said supporting plate is an arc-shaped supporting plate, said arc-shaped supporting plate being located on a circumference of one concentric circle of a circle on which a side wall of said fixed cylinder is located.
8. The adjustable tunnel section supporting mechanism for subway construction as claimed in claim 1, wherein said number of said movable frames is plural, said plural movable frames are arranged at intervals along said front-rear direction, said number of guide rods, said number of pushing assemblies and said number of supporting assemblies are all the same as said number of movable frames, said guide rods, said pushing assemblies, said supporting assemblies and said movable frames are arranged in one-to-one correspondence.
9. The adjustable tunnel section supporting mechanism for subway construction as claimed in claim 1, wherein said adjustable tunnel section supporting mechanism for subway construction further comprises a control device, said control device is disposed on said fixing frame and is connected with said driving device by signal for controlling the action of said driving device.
10. The adjustable tunnel section supporting mechanism for subway construction as claimed in claim 1, wherein said adjustable tunnel section supporting mechanism for subway construction further comprises a walking track and a walking wheel, said walking track is arranged along said front and back direction, said walking wheel is rollably arranged on said walking track along said front and back direction, said fixing frame is arranged on said walking wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210140833.2A CN114483124A (en) | 2022-02-16 | 2022-02-16 | Adjustable tunnel section supporting mechanism for subway construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210140833.2A CN114483124A (en) | 2022-02-16 | 2022-02-16 | Adjustable tunnel section supporting mechanism for subway construction |
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| Publication Number | Publication Date |
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| CN114483124A true CN114483124A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210140833.2A Pending CN114483124A (en) | 2022-02-16 | 2022-02-16 | Adjustable tunnel section supporting mechanism for subway construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929366A (en) * | 2022-11-18 | 2023-04-07 | 盐城工学院 | Adjustable tunnel section supporting mechanism for subway construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115929366A (en) * | 2022-11-18 | 2023-04-07 | 盐城工学院 | Adjustable tunnel section supporting mechanism for subway construction |
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