CN216043786U - Reinforcing device for karst tunnel - Google Patents
Reinforcing device for karst tunnel Download PDFInfo
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- CN216043786U CN216043786U CN202122688271.9U CN202122688271U CN216043786U CN 216043786 U CN216043786 U CN 216043786U CN 202122688271 U CN202122688271 U CN 202122688271U CN 216043786 U CN216043786 U CN 216043786U
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 67
- 239000010959 steel Substances 0.000 claims abstract description 67
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 230000006698 induction Effects 0.000 claims description 15
- 238000009423 ventilation Methods 0.000 claims description 7
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 abstract description 7
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model provides a reinforcing device for a karst tunnel, and relates to the field of tunnel reinforcement. The reinforcing device for the karst tunnel comprises a bottom frame and an air buffer mechanism, wherein a middle-end fixed connection of the bottom frame is provided with a middle-arranged column, and the air buffer mechanism is arranged on the middle-arranged column. According to the reinforcing device for the karst tunnel, provided by the utility model, the distance between the longitudinal moving piece and the transverse moving piece at the same side is changed, so that the first steel supporting rod and the third steel supporting rod can jointly push the transverse supporting plate to move, the longitudinal falling force can be converted into the transverse supporting force, and the side wall is prevented from continuously collapsing; the sliding support column is pushed to move relative to the middle-arranged sealing tube through the second steel support rod and the fourth steel support rod together, and the transverse impact force can be buffered and relieved by utilizing the extrusion air; through first response contact and second response contact counterbalance, can realize warning siren automatic operation to the notice staff that can be timely here needs to consolidate and maintains.
Description
Technical Field
The utility model relates to the field of tunnel reinforcement, in particular to a reinforcing device for a karst tunnel.
Background
The karst tunnel is constructed in a karst geological section, is a construction technology project with high technical content, and generally needs to be reinforced by a reinforcing device in order to ensure that the safety coefficient of the karst tunnel after construction is higher.
Current karst tunnel reinforcing apparatus structure is simple relatively, can only be simple consolidate the karst tunnel through strengthening the steel part, if the inside collapse that appears in karst tunnel, ordinary reinforcement prevents that the effect of collapsing is general, also can not provide reverse buffering holding power in certain degree and prevent to collapse, and if the reinforcement when slight deformation appears, the staff also can not in time discover to be difficult to timely reinforcement and maintenance.
Therefore, there is a need to provide a new reinforcing apparatus for a karst tunnel to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a reinforcing device for a karst tunnel.
The utility model provides a reinforcing device for a karst tunnel, which comprises: the device comprises a base frame, wherein a rotating main shaft used for driving two transverse moving members is rotatably connected to the base frame, threads in opposite directions are arranged at two ends of the rotating main shaft, corresponding threaded ports are formed in the two transverse moving members, the two transverse moving members are respectively in threaded connection with two ends of the rotating main shaft, a bar-shaped transverse groove is formed in the base frame, the lower ends of the two transverse moving members respectively extend to two ends of the bar-shaped transverse groove, two limiting vertical rods are fixedly connected to the transverse moving members, a longitudinal moving member is arranged between the two limiting vertical rods and is in sliding connection with the two limiting vertical rods, and supporting vertical column members are fixedly connected to the longitudinal moving member; the middle end of the bottom frame is fixedly connected with a middle-arranged column, and the air buffer mechanism is arranged on the middle-arranged column.
Preferably, the air buffer mechanism comprises a middle sealing tube, the middle sealing tube is connected with a middle column in a sliding manner, a ventilation port is formed in the middle of the middle sealing tube, a threaded rotary valve is arranged at the ventilation port, sliding support columns are connected to both ends of the middle sealing tube in a sliding manner, built-in steel sliding plugs are fixedly connected to one ends of the two sliding support columns, the two built-in steel sliding plugs are located inside the middle sealing tube, a plurality of second springs are arranged between the two built-in steel sliding plugs, both ends of the plurality of second springs are respectively connected with the two built-in steel sliding plugs, an alarm mechanism is arranged on each of the two sliding support columns, a second steel support rod is rotatably connected to one end of each sliding support column, the other end of each second steel support rod is rotatably connected with two transverse moving members, and a fourth steel support rod is rotatably connected to one end of each sliding support column, the other ends of the two fourth steel supporting rods are respectively and rotatably connected with the two longitudinal moving parts.
Preferably, the alarm mechanism comprises a sliding frame, the sliding frame is connected with a corresponding sliding support column in a sliding mode, a first induction contact piece is installed and connected to the sliding frame, small convex plates are arranged at two ends of the sliding frame, threaded rubber buckles are arranged on the two small convex plates, a second induction contact piece is installed at the joint of the sliding support column and a sliding opening of the middle-placed sealing tube, a power supply is installed and connected to the upper end of the middle-placed column, and an alarm buzzer is fixedly connected to the middle-placed column.
Preferably, the power supply is electrically connected with the alarm buzzer through an electric wire, the two first induction contact pieces are connected with the alarm buzzer through electric wires, and the two second induction contact pieces are connected with the power supply through electric wires.
Preferably, the transverse moving member is fixedly connected with a side vertical column, and the longitudinal moving member is connected with the corresponding side vertical column through an automatic adjusting mechanism.
Preferably, the automatic regulating mechanism includes two fixed side tube sheets, two equal sliding connection has oblique head thread slipping on the fixed side tube sheet, two it is equipped with first spring, two all to overlap on the oblique head thread slipping the one end of first spring is connected with two oblique head thread slipping respectively, two the other end of first spring is connected with two fixed side tube sheets respectively, the equal fixedly connected with rack plate of both sides side of side upstand, two the latch of rack plate is the one-way slope design.
Preferably, the two transverse moving members are rotatably connected with third steel support rods, the two longitudinal moving members are rotatably connected with first steel support rods, and the other ends of the first steel support rods and the other end of the third steel support rod are rotatably connected with transverse support plates together.
Compared with the related art, the reinforcing device for the karst tunnel provided by the utility model has the following beneficial effects:
1. the utility model provides a reinforcing device for a karst tunnel, which is characterized in that a longitudinal moving member is directly pulled to drive a supporting upright post member to move upwards, when the supporting upright post member moves to a certain height, right-angle surfaces at one ends of two oblique head slide fasteners are respectively abutted against the right-angle surfaces of corresponding latch teeth of a rack plate, so that the longitudinal moving member can be conveniently adjusted to a certain position and then changed into a locking state, the reinforcing device is convenient for workers to install, can also be suitable for karst tunnels with different specifications, and has strong applicability;
2. the utility model provides a reinforcing device for a karst tunnel, which can drive a first steel support rod and a third steel support rod corresponding to the first steel support rod and the third steel support rod to jointly push a transverse support plate to move by changing the distance between a longitudinal moving member and a transverse moving member on the same side, so that when the tunnel collapses, the longitudinal falling force can be converted into transverse supporting force, the side wall is prevented from continuously collapsing, and certain buffering can be carried out;
3. the utility model provides a reinforcing device for a karst tunnel, which can drive a corresponding second steel support rod and a corresponding fourth steel support rod to jointly push a sliding support column to move relative to a middle sealing pipe through the change of the distance between a longitudinal moving member and a transverse moving member on the same side, and can buffer and unload certain transverse supporting force by utilizing extruded air, thereby ensuring the firmness of the tunnel.
4. The utility model provides a reinforcing device for a karst tunnel, which can realize that a power supply energizes a warning buzzer by moving a first induction contact plate to abut against a second induction contact plate which is close to the first induction contact plate through the movement of a sliding support column relative to a middle sealing pipe, thereby timely informing workers that the position needs to be reinforced and maintained and providing important guarantee for the reinforcing safety of the tunnel.
Drawings
Fig. 1 is a schematic structural view of a preferred embodiment of a reinforcing apparatus for a karst tunnel according to the present invention;
FIG. 2 is a schematic structural view of the automatic adjustment mechanism shown in FIG. 1;
FIG. 3 is a schematic structural view of the air damper mechanism shown in FIG. 1;
fig. 4 is a schematic structural view of the alarm mechanism shown in fig. 1.
Reference numbers in the figures: 1. a chassis; 11. rotating the main shaft; 12. a middle post; 2. a lateral moving member; 21. a limiting vertical rod; 22. a side vertical post; 23. a first steel stay bar; 24. a second steel stay bar; 3. a longitudinal moving member; 31. supporting a column member; 32. a third steel stay bar; 33. a fourth steel stay bar; 4. an automatic adjustment mechanism; 41. fixing a side tube plate; 42. a slider with an oblique head; 43. a first spring; 44. a rack plate; 5. a transverse supporting plate; 6. an air buffer mechanism; 61. a sealing tube is arranged in the middle; 62. a ventilation port; 63. a screw rotary valve; 64. sliding the support columns; 65. a steel sliding plug is arranged inside; 66. a second spring; 67. an alarm mechanism; 671. a sliding frame; 672. a first inductive contact; 673. a threaded rubber buckle; 674. a second inductive contact; 675. a power source; 676. a warning buzzer.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1 to 4, a reinforcing apparatus for a karst tunnel includes: the vertical moving part comprises an underframe 1, wherein a rotating main shaft 11 used for driving two transverse moving parts 2 is rotatably connected to the underframe 1, threads in opposite directions are arranged at two ends of the rotating main shaft 11, corresponding threaded ports are arranged on the two transverse moving parts 2, the two transverse moving parts 2 are respectively in threaded connection with two ends of the rotating main shaft 11, a bar-shaped transverse groove is arranged on the underframe 1, lower ends of the two transverse moving parts 2 respectively extend to two ends of the bar-shaped transverse groove, two limiting vertical rods 21 are fixedly connected to the transverse moving parts 2, a longitudinal moving part 3 is arranged between the two limiting vertical rods 21, the longitudinal moving part 3 is in sliding connection with the two limiting vertical rods 21, and a supporting upright piece 31 is fixedly connected to the longitudinal moving part 3; the middle end of the underframe 1 is fixedly connected with a middle-placed column 12 of the air buffer mechanism 6, and the air buffer mechanism 6 is arranged on the middle-placed column 12.
In the specific implementation process, as shown in fig. 1 and 3, the air buffer mechanism 6 includes a middle sealing tube 61, the middle sealing tube 61 is slidably connected to a middle pillar 12, the middle of the middle sealing tube 61 is disposed at a ventilation port 62, a threaded rotary valve 63 is disposed at the ventilation port 62, two ends of the middle sealing tube 61 are slidably connected to sliding struts 64, one end of each sliding strut 64 is fixedly connected to a built-in steel sliding plug 65, the two built-in steel sliding plugs 65 are disposed inside the middle sealing tube 61, a plurality of second springs 66 are disposed between the two built-in steel sliding plugs 65, two ends of each second spring 66 are respectively connected to the two built-in steel sliding plugs 65, two sliding struts 64 are respectively provided with an alarm mechanism 67, one end of each sliding strut 64 is rotatably connected to a second steel strut 24, the other end of each second steel strut 24 is respectively rotatably connected to two transverse moving members 2, one end of each of the two sliding support columns 64 is rotatably connected with a fourth steel support rod 33, and the other end of each of the two fourth steel support rods 33 is rotatably connected with the two longitudinal moving members 3.
It should be noted that: the distance between the longitudinal moving member 3 and the transverse moving member 2 on the same side changes, the second steel support rod 24 and the fourth steel support rod 33 can be driven to rotate simultaneously, the sliding support columns 64 on the similar side are also pushed to move, the two sliding support columns 64 move simultaneously, the two built-in steel sliding plugs 65 are driven to move relatively in the middle of the sealing tube 61 to be close to each other, the air in the middle of the sealing tube 61 is extruded, when the air is extruded to a certain degree, the force can be buffered and removed by using a certain transverse supporting force, and the firmness degree of the tunnel can be guaranteed.
Referring to fig. 4, the alarm mechanism 67 includes a sliding frame 671, the sliding frame 671 is slidably connected to the corresponding sliding support column 64, the sliding frame 671 is connected to a first sensing contact 672, two ends of the sliding frame 671 are provided with small convex plates, two small convex plates are provided with threaded rubber buckles 673, a second sensing contact 674 is installed at the connection position of the sliding support column 64 and the sliding opening of the middle sealing tube 61, the upper end of the middle column 12 is connected to a power supply 675, and the middle column 12 is fixedly connected to an alarm 676; the power source 675 is electrically connected with the warning buzzer 676 through a wire, the two first sensing contact pieces 672 are connected with the warning buzzer 676 through a wire, and the two second sensing contact pieces 674 are connected with the power source 675 through a wire.
It should be noted that: if the tunnel collapses or has a certain tendency to collapse, the sliding support column 64 moves relative to the middle sealing tube 61, the sliding frame 671 drives the first induction contact piece 672 to move to abut against the adjacent second induction contact piece 674, the power supply 675 can electrify the alarm 676, and the alarm 676 works;
the first contact 672 moves into abutment with the second, adjacent contact 674 to complete an electrical path between the power source 675, the siren 676, the first contact 672 and the second contact 674.
Referring to fig. 1 and 2, the lateral vertical posts 22 are fixedly connected to the transverse moving member 2, and the longitudinal moving member 3 is connected to the corresponding lateral vertical posts 22 through the automatic adjusting mechanism 4; the automatic adjusting mechanism 4 comprises two fixed side tube plates 41, oblique head sliding buckles 42 are connected to the two fixed side tube plates 41 in a sliding mode, first springs 43 are sleeved on the two oblique head sliding buckles 42, one ends of the two first springs 43 are connected with the two oblique head sliding buckles 42 respectively, the other ends of the two first springs 43 are connected with the two fixed side tube plates 41 respectively, rack plates 44 are fixedly connected to the side edges of the two sides of the side vertical column 22 respectively, and the clamping teeth of the two rack plates 44 are designed to be inclined in one direction.
It should be noted that: pulling the longitudinal moving piece 3 to enable the longitudinal moving piece 3 to move upwards relative to the side vertical posts 22, enabling the two fixed side tube plates 41 to move along with the longitudinal moving piece 3, enabling the two oblique-head sliding buckles 42 to move upwards, when wedge-shaped surfaces at one ends of the two oblique-head sliding buckles 42 are respectively abutted against the clamping tooth inclined surfaces of the corresponding rack plates 44, enabling the two oblique-head sliding buckles 42 to slide relative to the two fixed side tube plates 41 at the moment, driving the two first springs 43 to generate elastic deformation, and enabling the two oblique-head sliding buckles 42 to continuously repeat the actions, so that the longitudinal moving piece 3 can be guaranteed to move upwards smoothly;
when stopping pulling longitudinal moving member 3, the right-angle face of two oblique head thread slipping 42 one end at this moment offsets with the latch right-angle face of corresponding rack plate 44 respectively, makes two oblique head thread slipping 42 can not slide for two fixed side tube sheets 41, and longitudinal moving member 3 can not reverse movement, and realization that can be convenient is adjusted longitudinal moving member 3 to certain position department after becomes locking state.
Referring to fig. 1, two transverse moving members 2 are rotatably connected with third steel support rods 32, two longitudinal moving members 3 are rotatably connected with first steel support rods 23, and the other ends of the first steel support rods 23 and the other ends of the third steel support rods 32 are rotatably connected with transverse support plates 5.
It should be noted that: two vertical moving member 3 move up and can make the distance between the vertical moving member 3 and the horizontal moving member 2 of homonymy change, drive first steel vaulting pole 23 and third steel vaulting pole 32 and rotate simultaneously, promote horizontal fagging 5 and remove, when the tunnel collapses, if two support stand column spare 31 take place deformation and remove, can be simultaneously with fore-and-aft power through two horizontal fagging 5 transformation horizontal holding power, prevent that the lateral wall from continuously collapsing.
The working principle of the reinforcing device for the karst tunnel provided by the utility model is as follows: the reinforcing device is placed at a position to be reinforced, the rotating main shaft 11 is rotated to drive the two transverse moving parts 2 to stably slide relative to the strip-shaped transverse grooves on the bottom frame 1, the two transverse moving parts 2 move to positions close to the side walls at the two sides of the tunnel, at the moment, the longitudinal moving part 3 is pulled to enable the longitudinal moving part 3 to stably move upwards relative to the two limiting vertical rods 21, the longitudinal moving part 3 drives the supporting vertical column part 31 to move upwards, the longitudinal moving part 3 simultaneously moves upwards relative to the side vertical columns 22, the longitudinal moving part 3 drives the two fixed side tube plates 41 to move, so that the two oblique head sliding buckles 42 move upwards along with the longitudinal moving part, when the wedge-shaped surfaces at one ends of the two oblique head sliding buckles 42 respectively abut against the corresponding latch inclined surfaces of the rack plates 44, at the moment, the two oblique head sliding buckles 42 slide relative to the two fixed side tube plates 41 to drive the two first springs 43 to elastically deform, so that in the process of the longitudinal moving part 3 moving upwards, the two oblique head sliding buckles 42 intermittently and automatically move to ensure that the longitudinal moving piece 3 can smoothly move upwards; when removing to certain height, when being close to the tunnel top promptly, stop pulling longitudinal moving member 3, the right angle face of two oblique head thread slipping 42 one ends offsets with the latch right angle face of corresponding rack plate 44 respectively this moment, make two oblique head thread slipping 42 can not slide for two fixed side tube sheets 41, so two oblique head thread slipping 42 stop in fixed position department, realize longitudinal moving member 3 can not reverse movement this moment, realization that can be convenient becomes locking state after adjusting longitudinal moving member 3 to certain position department.
Because the two longitudinal moving members 3 move up to a certain position, the distance between the longitudinal moving member 3 and the transverse moving member 2 on the same side changes, and the corresponding first steel supporting rod 23, second steel supporting rod 24, third steel supporting rod 32 and fourth steel supporting rod 33 can be driven to rotate, wherein the first steel supporting rod 23 and third steel supporting rod 32 rotate simultaneously to push the transverse supporting plate 5 to move, and the second steel supporting rod 24 and fourth steel supporting rod 33 rotate simultaneously to also push the sliding supporting columns 64 on the adjacent side to move, because the threaded scavenging ports 62 at the middle end of the mid-positioned sealing tube 61 are in an open state in the initial state, the two longitudinal moving members 3 change simultaneously, and can drive the two sliding supporting columns 64 to slide relative to the mid-positioned sealing tube 61 simultaneously, and drive the two built-in steel sliding plugs 65 to slide to a certain position inside the mid-positioned sealing tube 61.
The pre-debugging process is carried out, the operation can be repeated subsequently until the top ends of the two supporting upright column pieces 31 are abutted against the top wall of the tunnel, and the two transverse supporting plates 5 at the left and right ends are also abutted against the side wall of the tunnel, at this time, the screw rotary valve 63 is rotated to enable the screw ventilating port 62 to be in a closed state, the middle sealing pipe 61 is in a sealing state, when the tunnel collapses, if the two supporting upright column members 31 deform and move, can simultaneously convert the longitudinal force into the transverse supporting force through the two transverse supporting plates 5, prevent the side walls from continuously collapsing, and the two sliding support columns 64 also move simultaneously to drive the two built-in steel sliding plugs 65 to relatively move close to each other in the middle sealing pipe 61, the air to the built-in sealing tube 61 inside extrudees, when the air extrusion to a certain extent, can cushion certain horizontal holding power and unload the power to can guarantee the firm degree in tunnel.
After the debugging is completed, the sliding frame 671 is slid to a position close to the sliding opening of the sliding support column 64 and the middle sealing tube 61, meanwhile, the firm threaded rubber buckles 673 are rotated to enable the rubber pads at one ends of the two threaded rubber buckles 673 to be abutted against the side walls of the sliding support column 64, so that the position of the sliding frame 671 is ensured to be fixed, if the tunnel collapses or has a certain collapse trend, the sliding support column 64 can move relative to the middle sealing tube 61, the sliding support column 64 drives one end of the sliding frame 671 to enable the first induction contact piece 672 to move to abut against the adjacent second induction contact piece 674, and at the moment, a complete electric path can be formed, namely, the power supply 675, the warning buzzer 676, the first induction contact 672 and the second induction contact 674, the power supply 675 can electrify the warning buzzer 676 to inform workers of the need of reinforcement and maintenance, and important guarantee is provided for the safety of tunnel reinforcement.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A reinforcing apparatus for a karst tunnel, comprising:
a bottom frame (1), a rotating main shaft (11) used for driving the two transverse moving pieces (2) is rotatably connected on the bottom frame (1), opposite-direction threads are arranged at two ends of the rotating main shaft (11), corresponding threaded openings are arranged on the two transverse moving parts (2), the two transverse moving parts (2) are respectively in threaded connection with two ends of the rotating main shaft (11), the underframe (1) is provided with a strip-shaped transverse groove, the lower ends of the two transverse moving parts (2) respectively extend to the two ends of the strip-shaped transverse groove, two vertical limiting rods (21) are fixedly connected to the transverse moving member (2), a longitudinal moving member (3) is arranged between the two vertical limiting rods (21), the longitudinal moving piece (3) is connected with two limit vertical rods (21) in a sliding way, a supporting upright post member (31) is fixedly connected to the longitudinal moving member (3);
the air buffer mechanism (6), put post (12) in the middle-end fixedly connected with of chassis (1), air buffer mechanism (6) are located and are put on post (12).
2. The reinforcing device for the karst tunnel according to claim 1, wherein the air buffer mechanism (6) comprises a middle sealing tube (61), the middle sealing tube (61) is slidably connected with a middle column (12), a ventilation port (62) is arranged in the middle of the middle sealing tube (61), a threaded rotary valve (63) is arranged at the ventilation port (62), sliding support columns (64) are slidably connected to both ends of the middle sealing tube (61), built-in steel sliding plugs (65) are fixedly connected to one ends of the two sliding support columns (64), the two built-in steel sliding plugs (65) are positioned inside the middle sealing tube (61), a plurality of second springs (66) are arranged between the two built-in steel sliding plugs (65), and both ends of the plurality of second springs (66) are respectively connected with the two built-in steel sliding plugs (65), the two sliding support columns (64) are respectively provided with an alarm mechanism (67), one end of each sliding support column (64) is rotatably connected with a second steel support rod (24), the other end of each second steel support rod (24) is rotatably connected with two transverse moving members (2), one end of each sliding support column (64) is rotatably connected with a fourth steel support rod (33), and the other end of each fourth steel support rod (33) is rotatably connected with two longitudinal moving members (3).
3. The reinforcing device for the karst tunnel of claim 2, wherein the alarm mechanism (67) comprises a sliding frame (671), the sliding frame (671) is slidably connected with a corresponding sliding support column (64), a first induction contact piece (672) is installed and connected on the sliding frame (671), small convex plates are arranged at two ends of the sliding frame (671), threaded rubber buckles (673) are arranged on the two small convex plates, a second induction contact piece (674) is installed at the sliding opening connection position of the sliding support column (64) and the middle sealing pipe (61), a power supply (675) is installed and connected at the upper end of the middle support column (12), and an alarm buzzer (676) is fixedly connected on the middle support column (12).
4. A strengthening device for karst tunnels according to claim 3, wherein the power supply (675) is electrically connected to the siren (676) by wires, both of the first inductive contacts (672) are connected to the siren (676) by wires, and both of the second inductive contacts (674) are connected to the power supply (675) by wires.
5. A reinforcing device for karst tunnels according to claim 1, characterized in that lateral uprights (22) are fixedly connected to the mobile transverse elements (2), the mobile longitudinal elements (3) being connected to the corresponding lateral uprights (22) by means of automatic adjustment means (4).
6. The reinforcing device for the karst tunnel according to claim 5, wherein the automatic adjusting mechanism (4) comprises two fixed side tube plates (41), two fixed side tube plates (41) are all slidably connected with oblique head sliding buckles (42), two oblique head sliding buckles (42) are all sleeved with first springs (43), two one ends of the first springs (43) are respectively connected with the two oblique head sliding buckles (42), two other ends of the first springs (43) are respectively connected with the two fixed side tube plates (41), two side edges of the side vertical column (22) are both fixedly connected with rack plates (44), and two clamping teeth of the rack plates (44) are designed to be in a one-way inclined mode.
7. A reinforcing apparatus for karst tunnel according to claim 1, characterized in that, a third steel supporting rod (32) is rotatably connected to each of two said transverse moving members (2), a first steel supporting rod (23) is rotatably connected to each of two said longitudinal moving members (3), and a transverse supporting plate (5) is rotatably connected to the other end of the first steel supporting rod (23) and the other end of the third steel supporting rod (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122688271.9U CN216043786U (en) | 2021-11-05 | 2021-11-05 | Reinforcing device for karst tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122688271.9U CN216043786U (en) | 2021-11-05 | 2021-11-05 | Reinforcing device for karst tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216043786U true CN216043786U (en) | 2022-03-15 |
Family
ID=80550798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122688271.9U Expired - Fee Related CN216043786U (en) | 2021-11-05 | 2021-11-05 | Reinforcing device for karst tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216043786U (en) |
-
2021
- 2021-11-05 CN CN202122688271.9U patent/CN216043786U/en not_active Expired - Fee Related
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Granted publication date: 20220315 |