CN217028962U

CN217028962U - Steel bar supporting structure in tunnel

Info

Publication number: CN217028962U
Application number: CN202220999849.4U
Authority: CN
Inventors: 杜帅
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-27
Filing date: 2022-04-27
Publication date: 2022-07-22
Anticipated expiration: 2032-04-27

Abstract

The utility model relates to the technical field of tunnel reinforcing steel bar support, and discloses a reinforcing steel bar support structure in a tunnel, which comprises a support plate and an annular plate fixedly arranged on the upper surface of the support plate, wherein three groups of fixed cylinders are fixedly connected on the upper surface of the support plate, and moving cylinders with the top ends penetrating through the outer surface of the annular plate are slidably connected inside the three groups of fixed cylinders. This steel bar support structure in tunnel, drive worm wheel and pivot through setting up the worm and rotate, make drive gear can stabilize effectual and the tooth engagement transmission, and then the annular slider of both sides drives the first circle axle of both sides around respectively simultaneously and uses the annular plate centre of a circle as the anticlockwise rotation of center along the orbit of annular spout around making, make three group's removal section of thick bamboo can drive three group's roofs simultaneously and extend to the outside respectively, not only can be comparatively convenient support not unidimensional tunnel, and can also comparatively convenient stable support the tunnel, the stability and the convenience of supporting the tunnel have been improved greatly.

Description

Steel bar supporting structure in tunnel

Technical Field

The utility model relates to the technical field of tunnel steel bar support, in particular to a steel bar support structure in a tunnel.

Background

The tunnel is built underground or underwater or in a mountain, a railway is laid or a road is built for a motor vehicle to pass through, a tunnel supporting structure is required to be used for building the tunnel, and through retrieval, Chinese patent publication No. CN213510653U discloses a steel bar supporting structure in the tunnel, the device can be finely adjusted through the arrangement of a first supporting device and a second supporting device, so that the device can adapt to the size difference caused by different depths in the same tunnel, the height of the device can be adjusted according to the actual situation in the tunnel through the arrangement of the first telescopic rod and the second telescopic rod, and the device can be conveniently detached and recycled through adjusting the height after being used, so that the universality of the device is improved; the length of arc-shaped plate is adjusted through adjusting bolt when in actual use, and then makes arc and tunnel inner wall contact, when three arc of group's arc need be adjusted, need adjust three bolt of group in proper order, uses comparatively loaded down with trivial details, has reduced the convenience that supports the tunnel.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects in the prior art, the utility model provides a steel bar supporting structure in a tunnel, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a reinforcing steel bar supporting structure in a tunnel comprises a supporting plate and an annular plate fixedly arranged on the upper surface of the supporting plate, wherein three groups of fixing cylinders are fixedly connected on the upper surface of the supporting plate, and the three groups of fixed cylinders are all connected with moving cylinders with the top end penetrating through the outer surface of the annular plate in a sliding way, the upper surfaces of the three groups of moving cylinders are all fixedly connected with top plates, the outer surface of the top plate is fixedly connected with a fixed taper nail, the left side and the right side of the lower surface of the supporting plate are respectively provided with a supporting component, the front surface and the back surface of the annular plate are respectively provided with an annular chute, and the inside of the annular sliding chute is connected with an annular sliding block in a sliding way, and the outer side surface of the annular sliding block is fixedly connected with three groups of first round shafts, and every group remove a section of thick bamboo front and the equal fixedly connected with second circle axle in the back, first circle axle and the second circle axle that the distance is nearer pass through the connecting rod transmission and connect, the annular plate surface is provided with drive assembly.

Preferably, the supporting component comprises a supporting cylinder and a locking shaft which are fixedly arranged on the left side and the right side of the lower surface of the supporting plate, a supporting rod is slidably connected inside the supporting cylinder, a bottom plate is fixedly connected to the lower surface of the supporting rod, a clamping hole which penetrates through the inner side surface of the supporting rod and is matched with the locking shaft is formed in the outer side surface of the supporting rod, and locking holes are formed in the bottoms of the inner side surface and the outer side surface of the supporting cylinder.

Preferably, the circle center line of the clamping hole keeps inclined with the horizontal plane, a line segment taking the circle center of the locking hole positioned on the inner side and the circle center of the locking hole positioned on the outer side as end points keeps parallel with the circle center line of the clamping hole, and an included angle formed by the circle center line of the clamping hole and the horizontal plane is twenty degrees.

Preferably, the inner diameter of the clamping hole is equal to that of the locking hole, the inner diameter of the locking hole is larger than the outer diameter of the locking shaft, the edge of the inner side face of the locking shaft is subjected to rounding processing, and the radius of the rounding is one millimeter.

Preferably, the driving assembly comprises a motor fixedly mounted on the upper surface of the annular plate, two groups of supporting blocks and gear teeth fixedly mounted on the outer surface of the annular slider, the output end of the motor is in keyed connection with a connecting shaft, a worm is fixedly sleeved on the outer surface of the connecting shaft, a rotating shaft is movably inserted on the inner side surface of the supporting block, a worm wheel meshed with the worm is fixedly sleeved in the middle of the outer surface of the rotating shaft, and transmission gears meshed with the gear teeth are fixedly sleeved on the front side and the rear side of the outer surface of the rotating shaft.

Preferably, the circular center line of the annular sliding block is intersected with the circle center line of the annular sliding chute, and the circular center line of the annular sliding chute is intersected with the circle center line of the annular plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a reinforcing steel bar supporting structure in a tunnel, which has the following beneficial effects:

1. this steel bar support structure in tunnel, drive worm wheel and pivot through setting up the worm and rotate, make drive gear can stabilize effectual and the tooth engagement transmission, and then the annular slider of both sides drives the first circle axle of both sides around respectively simultaneously and uses the annular plate centre of a circle as the anticlockwise rotation of center along the orbit of annular spout around making, make three group's removal section of thick bamboo can drive three group's roofs simultaneously and extend to the outside respectively, not only can be comparatively convenient support not unidimensional tunnel, and can also comparatively convenient stable support the tunnel, the stability and the convenience of supporting the tunnel have been improved greatly.

2. This steel bar support structure in tunnel, drive two sets of drive gear and rotate simultaneously through setting up a set of pivot, and then the annular slider of both sides can be simultaneously respectively along the orbit motion of annular chute around making, and then the second circle axle of both sides applys the effort to removing a section of thick bamboo simultaneously around making, it is comparatively even to remove a section of thick bamboo atress, and then make the removal section of thick bamboo can comparatively smooth and easy stable drive roof extend to the outside, and then make the roof can comparatively stable and smooth and easy support not unidimensional tunnel, the stability and the smoothness nature that the roof supported the tunnel have been improved greatly.

3. This steel bar support structure in tunnel, support a section of thick bamboo and bracing piece sliding connection through setting up, and the locking axle is through the card hole adaptation with the difference, and then can comparatively convenient effectual adjustment bracing piece and the overall height who supports a section of thick bamboo, and then make the roof comparatively timely be close to tunnel top inner wall, need not to adjust the position of roof by a wide margin, make the roof can comparatively convenient effectual support the tunnel, and support a section of thick bamboo and bracing piece sliding connection can also comparatively convenient reduction whole volume of strutting, not only can cyclic utilization, can also comparatively convenient transport it to inside the tunnel, the practicality of whole supporting is greatly improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an exploded view of the locking mechanism of the present invention;

FIG. 3 is a schematic view of a support structure according to the present invention;

fig. 4 is an exploded view of the driving structure of the present invention.

In the figure: 1. a support plate; 2. a support cylinder; 3. a support bar; 4. clamping holes; 5. a base plate; 6. a lock shaft; 7. a locking hole; 8. an annular plate; 9. an annular chute; 10. an annular slider; 11. a fixed cylinder; 12. moving the drum; 13. a top plate; 14. a first circular shaft; 15. a second circular shaft; 16. a connecting rod; 17. an electric motor; 18. a connecting shaft; 19. a worm; 20. a supporting block; 21. a rotating shaft; 22. a worm gear; 23. a transmission gear; 24. and (4) gear teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a steel bar supporting structure in a tunnel comprises a supporting plate 1 and an annular plate 8 fixedly installed on the upper surface of the supporting plate 1, three groups of fixing cylinders 11 are fixedly connected on the upper surface of the supporting plate 1, moving cylinders 12 with the top ends penetrating through the outer surface of the annular plate 8 are respectively and slidably connected inside the three groups of fixing cylinders 11, top plates 13 are respectively and fixedly connected on the upper surfaces of the three groups of moving cylinders 12, fixing taper nails are fixedly connected on the outer surfaces of the top plates 13, supporting components are respectively arranged on the left side and the right side of the lower surface of the supporting plate 1, the supporting components comprise supporting cylinders 2 and locking shafts 6 which are fixedly installed on the left side and the right side of the lower surface of the supporting plate 1, supporting rods 3 are respectively and slidably connected inside the supporting cylinders 2, bottom plates 5 are fixedly connected on the lower surfaces of the supporting rods 3, clamping holes 4 which penetrate through the inner side surfaces of the supporting rods 3 and are matched with the locking shafts 6 are respectively formed in the inner side surfaces and the bottoms of the outer side surfaces of the supporting cylinders 2, the front and the back of the annular plate 8 are both provided with annular chutes 9, and the annular chutes 9 are connected with annular slide blocks 10 in a sliding way, three groups of first circular shafts 14 are fixedly connected to the outer side surface of the annular slider 10, the front surface and the back surface of each group of moving cylinders 12 are fixedly connected with second circular shafts 15, the first circular shafts 14 and the second circular shafts 15 which are closer to each other are in transmission connection through connecting rods 16, a driving assembly is arranged on the outer surface of the annular plate 8 and comprises a motor 17 fixedly mounted on the upper surface of the annular plate 8, two groups of supporting blocks 20 and gear teeth 24 fixedly mounted on the outer surface of the annular slider 10, the output end of the motor 17 is in key connection with a connecting shaft 18, and the outer surface of the connecting shaft 18 is fixedly sleeved with a worm 19, the inner side surface of the supporting block 20 is movably inserted with a rotating shaft 21, the middle part of the outer surface of the rotating shaft 21 is fixedly sleeved with a worm wheel 22 meshed with the worm 19, and the front and rear sides of the outer surface of the rotating shaft 21 are fixedly sleeved with transmission gears 23 meshed with the gear teeth.

In the utility model, in order to enable the locking shaft 6 to lock the support cylinder 2 and the support rod 3 conveniently and effectively, the inner diameter of the clamping hole 4 is set to be equal to the inner diameter of the locking hole 7, the inner diameter of the locking hole 7 is larger than the outer diameter of the locking shaft 6, the locking shaft 6 can be conveniently matched with the clamping hole 4 and the locking hole 7, the locking shaft 6 can be used for fixing the support cylinder 2 and the support rod 3 flexibly, the edge of the inner side surface of the locking shaft 6 is chamfered, the radius of the chamfered angle is one millimeter, the convenience of inserting the locking shaft 6 into the locking hole 7 and the clamping hole 4 is further improved, the support rod 3 and the support cylinder 2 can be fixed more conveniently and effectively by the locking shaft 6, and the convenience of fixing the support rod 3 and the support cylinder 2 by the locking shaft 6 is greatly improved.

In the utility model, in order to enable each group of annular sliders 10 to stably and respectively drive the three groups of first circular shafts 14 to rotate along the track of the annular chute 9, the circular center line of each annular slider 10 is intersected with the circle center line of the annular chute 9, and the circle center line of the annular chute 9 is intersected with the circle center line of the annular plate 8, so that the annular sliders 10 can smoothly and effectively drive the first circular shafts 14 to rotate around the circle centers of the annular plates 8, the annular sliders 10 are not easily clamped with the annular chute 9 during rotation, the annular sliders 10 can stably and effectively drive the first circular shafts 14 to move along the track of the annular chute 9, and the smoothness of linkage of the annular sliders 10 and the first circular shafts 14 is improved.

In the utility model, in order to enable the locking shaft 6 to lock the support rod 3 and the support cylinder 2 more stably, the circle center line of the clamping hole 4 is inclined with the horizontal plane, so that the locking shaft 6 is not easy to fall off after being inserted into the clamping hole 4, and the support rod 3 and the support cylinder 2 which can be more stable are further fixed by the locking shaft 6, and the line segment which takes the circle center of the locking hole 7 positioned on the inner side and the circle center of the locking hole 7 positioned on the outer side as endpoints keeps parallel to the circle center line of the clamping hole 4, so that the locking shaft 6 can be inserted into the locking hole 7 and the clamping hole 4 more conveniently and effectively, and the included angle formed by the circle center line of the clamping hole 4 and the horizontal plane is twenty degrees, so that the locking shaft 6 can fix the support rod 3 and the support cylinder 2 more conveniently and stably, and the convenience and the stability of fixing the support rod 3 and the support cylinder 2 by the locking shaft 6 are improved.

The electrical components in the document are electrically connected with an external master controller and 220V mains supply, and the master controller can be a computer or other conventional known devices for playing a role in control.

When the device is used, the locking shaft 6 is firstly drawn out of the clamping holes 4 and the locking holes 7, then the device is integrally supported and placed in a tunnel, the supporting plate 1 is lifted upwards, the supporting plate 1 drives the annular plate 8 and the supporting cylinder 2 to move upwards, and further the fixed cylinder 11 drives the moving cylinder 12 and the top plate 13 to move upwards, when the upper surface of the top plate 13 is about to contact with the inner wall of the top of the tunnel and the locking holes 7 are just aligned with a group of clamping holes 4, the locking shaft 6 is inserted into the locking holes 7 and the clamping holes 4, so that the supporting rod 3 and the supporting cylinder 2 are fixed, further the supporting plate 1 and the annular plate 8 can be fixed, then the motor 17 is started, the output end of the motor 17 drives the connecting shaft 18 and the worm 19 to rotate clockwise, the worm 19 is meshed with the worm wheel 22 for transmission, further the worm wheel 22 drives the rotating shaft 21 and the transmission gears 23 on the front side and the rear side to rotate anticlockwise, and the transmission gears 23 on the front side and the rear side are meshed with the gear teeth 24 on the front side and the rear side respectively, and then the annular sliding blocks 10 on the front side and the rear side respectively and simultaneously drive the first circular shafts 14 on the front side and the rear side to rotate anticlockwise around the circle center of the annular sliding groove 9, the first circular shafts 14 move along with the movement of the annular sliding blocks 10, the first circular shafts 14 and the second circular shafts 15 are in transmission connection through connecting rods 16, the three groups of first circular shafts 14 on the front side and the rear side simultaneously move, the three groups of second circular shafts 15 on the front side and the rear side respectively drive the three groups of moving cylinders 12 and the top plate 13 to extend outwards, the top plate 13 moves outwards, and when the outer surface of the top plate 13 is tightly connected with the inner wall of the top of the tunnel, the motor 17 is closed, so that the integral support stably supports the tunnel.

To sum up, in the reinforcing steel bar supporting structure in the tunnel, the worm 19 is arranged to drive the worm wheel 22 and the rotating shaft 21 to rotate, so that the transmission gear 23 can stably and effectively mesh with the gear teeth 24 for transmission, and further the annular sliders 10 on the front and rear sides respectively drive the first circular shafts 14 on the front and rear sides to rotate counterclockwise around the center of the annular chute 9, so that the three sets of moving cylinders 12 can simultaneously drive the three sets of top plates 13 to extend outwards, thereby not only conveniently and rapidly supporting tunnels with different sizes, but also conveniently and stably supporting tunnels, greatly improving the stability and convenience of tunnel supporting, by arranging the set of rotating shaft 21 to drive the two sets of transmission gears 23 to rotate simultaneously, further the annular sliders 10 on the front and rear sides can simultaneously move along the tracks of the annular chute 9, further the second circular shafts 15 on the front and rear sides simultaneously exert acting force on the moving cylinders 12, the movable cylinder 12 is evenly stressed, so that the movable cylinder 12 can smoothly and stably drive the top plate 13 to extend outwards, the top plate 13 can stably and smoothly support tunnels with different sizes, the stability and the fluency of the top plate 13 for supporting the tunnels are greatly improved, the top plate 13 can conveniently and effectively support the tunnels by arranging the supporting cylinders 2 and the supporting rods 3 in a sliding way and arranging the locking shafts 6 to be matched with different clamping holes 4, so that the overall heights of the supporting rods 3 and the supporting cylinders 2 can be conveniently and effectively adjusted, the top plate 13 can timely approach the inner wall of the top of the tunnel, the position of the top plate 13 is not required to be greatly adjusted, the top plate 13 can conveniently and effectively support the tunnels, the supporting cylinders 2 and the supporting rods 3 are in a sliding way, the volume of the overall support can be conveniently reduced, the recycling can be realized, and the top plate can be conveniently transported to the inside of the tunnels, the practicability of integral supporting is greatly improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel bar support structure in tunnel, includes annular slab (8) of backup pad (1) and fixed mounting in backup pad (1) upper surface, fixed surface is connected with three fixed barrels (11) of group on backup pad (1), and the inside equal sliding connection of three fixed barrels (11) of group has a removal section of thick bamboo (12) that the top runs through annular slab (8) surface, three groups the equal fixedly connected with roof (13) of removal section of thick bamboo (12) upper surface, roof (13) fixed surface is connected with the fixed awl nail, its characterized in that: backup pad (1) lower surface left and right sides all is provided with supporting component, annular spout (9) have all been seted up with the back to annular board (8) openly, and annular spout (9) inside sliding connection has annular slider (10), and first round axle (14) of three groups of annular slider (10) lateral surface fixedly connected with, and every group remove a section of thick bamboo (12) openly and the equal fixedly connected with second round axle (15) in the back, connect through connecting rod (16) transmission apart from nearer first round axle (14) and second round axle (15), annular board (8) surface is provided with drive assembly.

2. The reinforcing bar support structure in a tunnel according to claim 1, wherein: the supporting component comprises a supporting cylinder (2) and a locking shaft (6), wherein the supporting cylinder (2) and the locking shaft (6) are fixedly installed on the left side and the right side of the lower surface of a supporting plate (1), a supporting rod (3) is connected to the inner portion of the supporting cylinder (2) in a sliding mode, a bottom plate (5) is fixedly connected to the lower surface of the supporting rod (3), a clamping hole (4) which penetrates through the inner side surface of the supporting rod (3) and matches with the locking shaft (6) is formed in the outer side surface of the supporting rod (3), and a locking hole (7) is formed in the bottom of the inner side surface and the outer side surface of the supporting cylinder (2).

3. The reinforcing bar support structure in a tunnel according to claim 2, wherein: the circle center line of the clamping hole (4) keeps inclined with the horizontal plane, a line segment taking the circle center of the locking hole (7) positioned on the inner side and the circle center of the locking hole (7) positioned on the outer side as end points keeps parallel with the circle center line of the clamping hole (4), and the included angle formed by the circle center line of the clamping hole (4) and the horizontal plane is twenty degrees.

4. The reinforcing bar support structure in a tunnel according to claim 2, wherein: the inner diameter of the clamping hole (4) is equal to that of the locking hole (7), the inner diameter of the locking hole (7) is larger than the outer diameter of the locking shaft (6), the edge of the inner side face of the locking shaft (6) is subjected to chamfering treatment, and the radius of the chamfering is one millimeter.

5. The reinforcing steel bar supporting structure in the tunnel according to claim 1, wherein: the drive assembly comprises a motor (17) fixedly mounted on the upper surface of the annular plate (8), two sets of supporting blocks (20) and gear teeth (24) fixedly mounted on the outer surface of the annular slider (10), the output end of the motor (17) is in keyed connection with a connecting shaft (18), a worm (19) is fixedly sleeved on the outer surface of the connecting shaft (18), a rotating shaft (21) is movably inserted on the inner side surface of the supporting block (20), a worm wheel (22) meshed with the worm (19) is fixedly sleeved in the middle of the outer surface of the rotating shaft (21), and transmission gears (23) meshed with the gear teeth are fixedly sleeved on the front side and the rear side of the outer surface of the rotating shaft (21).

6. The reinforcing bar support structure in a tunnel according to claim 1, wherein: the circle center line of the annular sliding block (10) is intersected with the circle center line of the annular sliding chute (9), and the circle center line of the annular sliding chute (9) is intersected with the circle center line of the annular plate (8).