CN220687375U - Tunnel arch supporting device for tunnel construction - Google Patents
Tunnel arch supporting device for tunnel construction Download PDFInfo
- Publication number
- CN220687375U CN220687375U CN202322413452.XU CN202322413452U CN220687375U CN 220687375 U CN220687375 U CN 220687375U CN 202322413452 U CN202322413452 U CN 202322413452U CN 220687375 U CN220687375 U CN 220687375U
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- driving
- driving gear
- fixed
- tunnel
- rotating shaft
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- 238000010276 construction Methods 0.000 title claims abstract description 38
- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to a tunnel arch supporting device for tunnel construction, which comprises a front shell, a rear shell, a driving gear, a driven gear, a driving seat, an elastic plate, a supporting frame and a driving piece, wherein the driving gear is arranged on the front shell; the front shell and the rear shell are fixedly arranged together and are arranged on the supporting frame, and the front groove and the rear groove jointly form a containing cavity and a plurality of groups of sliding grooves; a main circular shaft and a plurality of groups of secondary circular shafts are arranged in the accommodating cavity; the driving gear and the driven gear are respectively sleeved on the main circular shaft and the secondary circular shaft correspondingly, and the pinion end of the driving gear faces backwards; the pinion end of the driven gear faces forward; the driving seat is sleeved in the chute, a rack is fixed on the driving seat, and the rack is meshed with the pinion end of the driven gear; an elastic plate is fixed at the tail end of the driving seat; a rotating shaft is fixed in the middle of the supporting frame, a driving gear is fixed in the middle of the rotating shaft, and the driving gear is in transmission connection with a pinion end of the driving gear through a toothed chain; one end of the rotating shaft is connected with the driving piece.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a tunnel arch supporting device for tunnel construction.
Background
The tunnel construction is a short term of a new Austrian tunnel construction method, which is a reasonable construction method provided by Austrian scholars in the long-term practice of the tunnel construction from the viewpoint of rock mechanics, and is a new engineering construction method formed by adopting a system which is formed by anchor spraying technology, monitoring measurement and the like and rock mechanics theory.
When carrying out tunnel construction, current tunnel excavation mode mainly has full section, two steps and three steps etc. to circular tunnel, current strutting arrangement only can adapt to specific tunnel section size, this makes current strutting arrangement limitation too strong, can not flexibly meet an emergency, simultaneously, prior art strutting arrangement structure is complicated, in the tunnel construction process, every one section distance that advances of tunnel construction, strutting arrangement just need dismantle again and build, prior art strutting arrangement builds with dismantle troublesome, it is long to consume, influence the efficiency of construction.
If an arch supporting device is arranged, the device can adapt to different circular tunnel arch sizes, is convenient to move, does not need to be disassembled and assembled frequently, and can solve the problems.
Based on this, it is necessary to study a tunnel arch supporting device for tunnel construction.
Disclosure of Invention
In view of the above, the utility model aims to provide a tunnel arch supporting device for tunnel construction, which effectively solves the problems that the existing circular tunnel arch is too limited to support, cannot flexibly strain, is troublesome to build and disassemble, consumes long time and affects the construction efficiency.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a tunnel arch strutting arrangement for tunnel construction which characterized in that:
comprises a front shell, a rear shell, a driving gear, a driven gear, a driving seat, an elastic plate, a supporting frame and a driving piece;
the front shell and the rear shell are correspondingly provided with a front groove and a rear groove, the front shell and the rear shell can be fixedly installed together and are arranged on the support frame, and the front groove and the rear groove jointly form a containing cavity and a plurality of groups of sliding grooves; a main circular shaft is arranged in the middle of the accommodating cavity, and a plurality of groups of secondary circular shafts are circumferentially distributed by taking the main circular shaft as the center;
the driving gear and the driven gear are duplex gears, wherein the driving gear is sleeved on the main circular shaft, and the pinion end of the driving gear faces to the rear shell; the driven gear is correspondingly sleeved on the secondary circular shaft, and the pinion end of the driven gear faces the front shell;
a rack is fixed on the driving seat, is sleeved in the sliding groove in a sliding way, and is meshed with the pinion end of the driven gear; an elastic plate is vertically and fixedly connected with the tail end of the driving seat;
a rotating shaft which is arranged front and back is fixed in the middle of the supporting frame, a driving gear is fixed in the middle of the rotating shaft, and the driving gear is in transmission connection with a pinion end of the driving gear through a toothed chain; one end of the rotating shaft is connected with the driving piece.
Further, the driving piece comprises a crank and a limiting plate, the limiting plate is sleeved and fixed on the rotating shaft, a plurality of groups of circumferentially distributed limiting holes taking the center of the rotating shaft as the center are formed in the limiting plate, pin holes corresponding to the limiting holes are formed in the supporting frame, and the pins are arranged in the pin holes to lock the driving gear.
Further, the lower parts of the front shell and the rear shell are respectively fixed with an installation seat, and the installation seats are fixedly connected with the supporting frame.
Further, a reinforcing block is sleeved and fixed on the driving seat, and a reinforcing rib is fixed between the reinforcing block and the elastic plate.
Further, a plurality of groups of mounting holes are formed in the front shell and the rear shell, and the front shell and the rear shell are fixed together through bolts.
Further, a movable wheel is fixed below the supporting leg of the supporting frame.
The beneficial effects of the technical scheme are as follows:
according to the utility model, the driving gear is adopted to drive the multiple groups of driven gears, so that the driving seats meshed with the driven gears are driven to extend outwards or retract inwards, and the multiple groups of driving seats can synchronously move due to the fact that the transmission ratio is determined, so that the shape of the supportable circular tunnel arch door is ensured to be supported, the circular tunnel arch door supporting device can adapt to the supports of circular tunnel arch doors with different sizes, the practicability of the device is enhanced, and good economic and social benefits are achieved.
According to the utility model, the rotating shaft is arranged below the supporting frame, the driving piece and the driving gear are fixed on the rotating shaft, the driving gear is in transmission connection with the driving gear by using the toothed chain, so that a constructor can stand on the ground to drive, the driving piece can select the crank, and at the moment, the limiting wheel and the pin hole are required to be arranged to lock the rotating shaft, so that the supporting rebound is prevented; the driving motor can be used for driving, so that the driving seat can be adjusted more conveniently, the construction time is saved, and the construction efficiency is improved.
According to the utility model, the movable wheels are fixed on the supporting legs of the support frame, so that the whole device can be transferred without being disassembled, the next construction area can be reached more quickly, the time waste caused by disassembly and assembly is reduced, the construction efficiency is improved, meanwhile, the movable wheels adopt universal wheels, the support frame is moved more flexibly, the support frame is locked after reaching the target position, the stability of the support frame is ensured, and the safety of constructors is ensured.
Drawings
FIG. 1 is a schematic view of the internal structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic view of the relationship between the support frame and the shaft of the present utility model;
FIG. 4 is an enlarged view of a portion of FIG. 3;
FIG. 5 is a schematic view of a spindle according to the present utility model;
FIG. 6 is a schematic view of the structure of the rear housing of the present utility model;
fig. 7 is a schematic structural view of the front case of the present utility model.
Reference numerals: 1 is a front shell, 2 is a rear shell, 3 is a driving gear, 4 is a driven gear, 5 is a driving seat, 6 is a rack, 7 is an elastic plate, 8 is a reinforcing block, 9 is a reinforcing rib, 10 is a supporting frame, 11 is a rotating shaft, 12 is a crank, 13 is a driving gear, 14 is a limiting plate, 15 is a limiting hole, 16 is a toothed chain, 17 is a moving wheel, 18 is a pin hole, 19 is a rear groove, 20 is a main circular shaft, 21 is a secondary circular shaft, and 22 is a front groove.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
embodiment 1, this embodiment aims at providing a tunnel arch strutting arrangement for tunnel construction, and its arch support that mainly used circular tunnel is too strong to current circular tunnel arch support limitation, can not nimble meeting an emergency, and builds and dismantle troublesome, and it is long to consume time, influences the efficiency of construction problem, and this embodiment provides a tunnel arch strutting arrangement for tunnel construction.
As shown in fig. 1 to 7, a tunnel arch supporting device for tunnel construction includes a front case 1, a rear case 2, a driving gear 3, a driven gear 4, a driving seat 5, an elastic plate 7, a supporting frame 10, and a driving member; the front shell 1 is provided with a front groove 22, the rear shell 2 is correspondingly provided with a rear groove 19, the front groove 22 and the rear groove 19 have the same shape, the middle parts of the front groove and the rear groove 19 are all circular grooves, five guide rail grooves extend from the circular grooves to the periphery, and the included angle between each guide rail groove is twenty two points and five degrees; the front shell 1 and the rear shell 2 are provided with mounting holes, a mounting seat is fixed below the front shell 1 and the rear shell 2, the front shell 1 and the rear shell 2 can be fixedly mounted together through bolts, the mounting seat is fixedly mounted on the support frame 10, and the front groove 22 and the rear groove 19 jointly form a containing cavity and a plurality of groups of sliding grooves; a main circular shaft 20 is arranged in the middle of the accommodating cavity, and five groups of secondary circular shafts 21 are circumferentially distributed by taking the main circular shaft 20 as the center.
The driving gear 3 and the driven gear 4 are duplex gears, wherein the driving gear 3 is sleeved on the main round shaft 20, and the pinion end of the driving gear faces to the rear shell 2; the five driven gears 4 are correspondingly sleeved on the secondary round shaft 21, and the pinion ends of the driven gears face the front shell 1; the driving seat 5 is sleeved in the sliding groove in a sliding way, a rack 6 is fixed on the driving seat 5, and the rack 6 is meshed with the pinion end of the driven gear 4; the end of the driving seat 5 is vertically and fixedly connected with an elastic plate 7, one end of the driving seat 5, which is close to the elastic plate 7, is fixedly sleeved with a reinforcing block 8, a reinforcing rib 9 is also fixed between the reinforcing block 8 and the elastic plate 7, and when the driving gear 3 rotates, the driving gear 3 can drive five groups of driven gears 4 around to rotate, so that the elastic plate 7 can extend outwards to support a circular arch, the driving gear 3 drives the five groups of driven gears 4 to rotate, so that the driving seat 5 is driven to extend outwards or retract inwards, and the driving gear 3 determines the transmission ratio, so that the five groups of driving seats 5 can synchronously move, the supported shape is circular, the device can adapt to the support of circular tunnel arches with different sizes, the practicability of the device is enhanced, and good economic and social benefits are realized.
The support frame 10 has four landing legs, and the below of every landing leg is all fixed mounting has a removal wheel 17, can adopt the universal wheel, makes whole device can not dismantle just shift, can be faster reach next construction area, has reduced the time waste that causes because of dismantling the equipment, improves the efficiency of construction, removes the wheel simultaneously and adopts the universal wheel, makes the more nimble that support frame 10 removed, locks after reaching the target position, ensures the stability of support frame 10, ensures constructor's safety.
A baffle is fixed in the middle of the support frame 10, a rotating shaft 11 facing front and back is arranged in the middle of the baffle, a driving gear 13 is sleeved and fixed in the middle of the rotating shaft 11, and the driving gear 13 is in transmission connection with the pinion end of the driving gear 3 through a toothed chain 16; a limiting plate 14 is sleeved and fixed at one end of the rotating shaft 11, a plurality of groups of limiting holes 15 are circumferentially distributed on the limiting plate 14 by taking the rotating shaft 11 as the center, pin holes 18 corresponding to the limiting holes 15 are formed in the baffle plate, the pin shafts are arranged in the pin holes 18 to lock the rotating shaft 11, the rotating shaft is prevented from reversing, and meanwhile, the elastic plate 7 can deform to a certain extent, so that the correspondence between the pin holes 18 and the limiting holes 15 is also facilitated to a certain extent; the tail end of the rotating shaft 11 is connected with the crank 12, and the crank 12 is rocked to drive the rotating shaft to rotate, so that the whole structure is driven, constructors can stand on the ground to adjust the portable driving seat 5, the construction time is saved, and the construction efficiency is improved.
The specific use mode is as follows: pushing the support frame 7 to a construction area, keeping the central line of the device flush with the central line of the tunnel, rotating the crank 12 to drive the rotating shaft 11 to rotate, driving the driving gear 13 to rotate, driving the driving gear 3 to rotate due to the transmission of the toothed chain 16, driving the driven gear 4 to rotate, driving the driving seat 5 to move outwards until the elastic plate 7 contacts with the arch, supporting the arch, and correspondingly inserting the pin shaft into the pin hole 18 and the limiting hole 15 to lock the rotating shaft.
Embodiment 2 is basically the same as embodiment 1, except that the driving member in this embodiment adopts a driving motor, and this embodiment further describes the structure.
In the embodiment, the tail end of the rotating shaft 11 is connected with a driving motor, a driving gear 13 is fixed in the middle of the rotating shaft 11, and the driving gear 13 is in transmission connection with the pinion end of the driving gear 3 through a toothed chain 16; through the positive and negative rotation of control driving motor to realize the flexible and the withdrawing of drive seat 5, use more light convenience, and the faster of regulation improves the efficiency of construction.
The specific use mode is as follows: the driving motor is started to drive the rotating shaft to rotate, and the rest steps are the same as those of the embodiment 1.
The above-mentioned embodiments of the present utility model do not limit the scope of the present utility model, and the basic concept of the present utility model is to connect the driving gear and the driving gear in a driving way by using a toothed chain, then engage a plurality of groups of driven gears with the driving gear, engage the driving seat with the driven gears, and drive the driving gear in a grading way, and drive the driving shaft to drive the driving gear to rotate, thereby realizing the adjustment of the driving seat.
Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model as set forth in the appended claims.
Claims (6)
1. The utility model provides a tunnel arch strutting arrangement for tunnel construction which characterized in that:
comprises a front shell, a rear shell, a driving gear, a driven gear, a driving seat, an elastic plate, a supporting frame and a driving piece;
the front shell and the rear shell are correspondingly provided with a front groove and a rear groove, the front shell and the rear shell can be fixedly installed together and are arranged on the support frame, and the front groove and the rear groove jointly form a containing cavity and a plurality of groups of sliding grooves; a main circular shaft is arranged in the middle of the accommodating cavity, and a plurality of groups of secondary circular shafts are circumferentially distributed by taking the main circular shaft as the center;
the driving gear and the driven gear are duplex gears, wherein the driving gear is sleeved on the main circular shaft, and the pinion end of the driving gear faces to the rear shell; the driven gear is correspondingly sleeved on the secondary circular shaft, and the pinion end of the driven gear faces the front shell;
a rack is fixed on the driving seat, is sleeved in the sliding groove in a sliding way, and is meshed with the pinion end of the driven gear; an elastic plate is vertically and fixedly connected with the tail end of the driving seat;
a rotating shaft which is arranged front and back is fixed in the middle of the supporting frame, a driving gear is fixed in the middle of the rotating shaft, and the driving gear is in transmission connection with a pinion end of the driving gear through a toothed chain; one end of the rotating shaft is connected with the driving piece.
2. A tunnel arch support for tunnel construction according to claim 1, wherein: the driving piece comprises a crank and a limiting plate, the limiting plate is sleeved and fixed on the rotating shaft, a plurality of groups of circumferentially distributed limiting holes taking the center of the rotating shaft as the center are formed in the limiting plate, pin holes corresponding to the limiting holes are formed in the supporting frame, and the pins are arranged in the pin holes to lock the driving gear.
3. A tunnel arch support for tunnel construction according to claim 2, wherein: the front shell and the lower part of the rear shell are respectively fixed with a mounting seat, and the mounting seats are fixedly connected with the supporting frame.
4. A tunnel arch support for tunnel construction according to claim 3, wherein: the driving seat is sleeved and fixed with a reinforcing block, and a reinforcing rib is fixed between the reinforcing block and the elastic plate.
5. A tunnel arch support for tunnel construction according to claim 4, wherein: and a plurality of groups of mounting holes are formed in the front shell and the rear shell, and the front shell and the rear shell are fixed together through bolts.
6. A tunnel arch support for tunnel construction according to any one of claims 1-5, wherein: and a movable wheel is fixed below the supporting leg of the supporting frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413452.XU CN220687375U (en) | 2023-09-06 | 2023-09-06 | Tunnel arch supporting device for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322413452.XU CN220687375U (en) | 2023-09-06 | 2023-09-06 | Tunnel arch supporting device for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220687375U true CN220687375U (en) | 2024-03-29 |
Family
ID=90402840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322413452.XU Active CN220687375U (en) | 2023-09-06 | 2023-09-06 | Tunnel arch supporting device for tunnel construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220687375U (en) |
-
2023
- 2023-09-06 CN CN202322413452.XU patent/CN220687375U/en active Active
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| GR01 | Patent grant |