CN220522606U - Collapse preventing device for construction hole section - Google Patents
Collapse preventing device for construction hole section Download PDFInfo
- Publication number
- CN220522606U CN220522606U CN202322267287.1U CN202322267287U CN220522606U CN 220522606 U CN220522606 U CN 220522606U CN 202322267287 U CN202322267287 U CN 202322267287U CN 220522606 U CN220522606 U CN 220522606U
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- Prior art keywords
- plate
- prevention device
- plates
- fixed
- side wall
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 239000007787 solid Substances 0.000 claims abstract description 18
- 230000000149 penetrating effect Effects 0.000 claims abstract description 14
- 230000002265 prevention Effects 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a collapse preventing device for a construction hole section, which belongs to the technical field of tunnel support and comprises two side wall fixing plates, wherein a protection plate is fixedly arranged between the top ends of the two side wall fixing plates, two fixing blocks are symmetrically and fixedly arranged in the middle of the inner side surface of the protection plate, support rods are rotatably arranged on the left and right surfaces of the fixing blocks, the bottom ends of the support rods are detachably connected with the corresponding side cavity fixing plates, the fixing blocks are arranged in the middle of the inner side surface of the protection plate, the support rods are rotatably arranged on the left and right surfaces of the fixing blocks and are connected with the side wall fixing plates, each support rod comprises a solid column and a hollow column, the top ends of the solid columns are rotatably connected with the fixing blocks through rotating shafts, a plurality of adjusting holes are formed in the equidistant penetrating mode in the outer surfaces of the solid columns, and bolt assemblies are arranged between the hollow columns and the adjusting holes in a sleeved mode.
Description
Technical Field
The utility model belongs to the technical field of tunnel support, and particularly relates to a collapse prevention device for a construction tunnel section.
Background
Along with the rapid development of society, the number of tunnel construction is increased, and the tunnel can shorten the distance between two places, reduces the time of use, improves the efficiency of transportation, and in the tunnel construction's in-process, need carry out certain fixed support after the excavation.
Through searching, china in the related field grants patents with the following patent numbers: CN218563688U, patent name: the utility model provides a geological engineering collapse prevention device, its concrete structure includes fixing device, elevating gear and strutting arrangement, fixing device includes motor, spring beam and lifter plate, elevating gear includes the lifter post, the connecting plate, solid fixed ring, bracing piece and bearing rod, connecting plate one side surface is connected with lifter post one side surface, gu fixed ring inside one side surface is connected with lifter post one side surface, bracing piece one end is connected with gu fixed ring one side surface, the bracing piece other end is connected with the connecting plate upper surface, bearing rod one end is connected with lifter post one side surface, strutting arrangement includes guard plate and fixed slot. According to the collapse preventing device for geological engineering, disclosed by the utility model, the motor controls the lifting plate to drive the protection plate to move, so that the supporting rods and the bearing rods are used for supporting the top of the tunnel to share the stress of the lifting column, and compared with the traditional collapse preventing device, the collapse preventing device is reduced in manual work, higher in stability and firmer in supporting.
The supporting structures of the middle part and the two sides of the adopted protection plate are not provided with any connecting structure, the supporting capacity is weaker, and further improvement is needed, so the technical problem is solved by the anti-collapse device for the construction hole section.
Disclosure of Invention
Aiming at the problem that the top supporting capacity of the geological engineering collapse prevention device in the prior art is weak, the utility model provides the construction hole section collapse prevention device, and the support rods connected with the side wall fixing plates are rotatably arranged on the left and right surfaces of the fixing blocks through arranging the fixing blocks in the middle of the inner side surfaces of the protection plates, so that the support of the middle of the protection plates can be enhanced by the support rods, the integral supporting strength of the device is enhanced, and the problems that the supporting capacity of the support structure of the protection plates adopted in the geological engineering collapse prevention device in the prior art is weak because no connecting structure is arranged between the middle and the supporting structures on the two sides of the protection plates are effectively solved. The specific technical scheme is as follows:
the utility model provides a construction hole section collapse prevention device, includes two side wall fixed plates, two fixed mounting has the guard plate between the top of side wall fixed plate, the medial surface middle part symmetry fixed mounting of guard plate has two fixed blocks, the bracing piece is all installed in the rotation of the left and right sides surface of fixed block, detachable connection between the bottom of bracing piece and the side chamber fixed plate that corresponds.
In the above technical scheme, the bracing piece includes solid post and hollow post, rotate between pivot and the fixed block on the top of solid post and be connected, and a plurality of regulation holes have been seted up in the surface equidistance of solid post, hollow post cup joints the surface at solid post, just install the bolt assembly between hollow post and the regulation hole.
In the above technical scheme, the bottom fixed mounting of hollow post has the connecting block, the connecting hole has all been run through to the upper surface of connecting block, the equal symmetrical fixed mounting of inboard surface of side wall fixed plate has C type connecting frame, the connecting block is located C type connecting frame, first pinhole has been run through to the upper surface of C type connecting frame, all peg graft between first pinhole and the corresponding connecting hole and install the pin pole.
In the above technical scheme, the connecting plate is fixedly connected with between the upper portions of the left hollow column and the right hollow column, the lower surface of the connecting plate is provided with a third pin hole in a penetrating mode, the outer side surface of the fixing block is provided with a second pin hole, and the sizes of the first pin hole, the second pin hole and the third pin hole are the same.
In the above technical scheme, the mounting groove has been seted up to the surface of guard plate, sliding mounting has six contact plates in the mounting groove, equal fixed mounting has the spring between contact plate and the mounting groove, equal fixed mounting of internal surface of guard plate has six collision alarm, the detection end of collision alarm is located the mounting groove, and the detection end of collision alarm corresponds with the position of contact plate.
In the technical scheme, the upper outer surface of the contact plate is provided with the sleeve openings in a penetrating mode, six orientation rods are fixedly installed in the installation groove at equal intervals, and the orientation rods penetrate through the corresponding sleeve openings.
Compared with the prior art, the collapse prevention device for the construction hole section has the beneficial effects that:
1. according to the utility model, the fixing block is arranged in the middle of the inner side surface of the protection plate, and the support rods connected with the side wall fixing plates are rotatably arranged on the left and right surfaces of the fixing block, so that the support of the middle of the protection plate can be enhanced by the support rods, and the overall support strength of the device is enhanced.
2. According to the utility model, the top end of the supporting rod is rotationally connected with the fixed block, and the bottom end of the supporting rod is detachably connected with the side cavity fixed plate, so that when larger equipment is conveyed in a tunnel hole, the bottom end of the supporting rod and the side wall fixed plate can be separated and then rotate upwards around the switching end of the supporting rod and the fixed block, the position of the supporting rod is temporarily changed, and the larger equipment can conveniently move in the tunnel hole.
3. The utility model discloses a set up contact plate, spring and collision alarm, the contact plate of relevant position is pushed down when the collapse of top local position, and the contact plate downslide can in time send out the alarm after the collision alarm contact, is convenient for in time suggestion nearby personnel in the hole do emergency measure.
Drawings
Fig. 1 is a schematic diagram of an explosive structure according to the present utility model.
Fig. 2 is a schematic diagram of a front view structure of the present utility model.
Fig. 3 is a schematic cross-sectional structure of the present utility model.
In fig. 1-3, wherein: 1-side wall fixing plate, 11-C type connecting frame, 111-first pin hole, 12-pin rod, 2-protection plate, 21-mounting groove, 211-orientation rod, 22-collision alarm, 3-contact plate, 31-socket, 4-spring, 5-fixing block, 51-second pin hole, 52-rotating shaft, 6-supporting rod, 61-solid column, 62-hollow column, 621-connecting block, 622-connecting hole, 63-bolt component, 7-connecting plate, 71-third pin hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution:
the utility model provides a construction hole section collapse prevention device, including two side wall fixed plates 1, fixed mounting has guard plate 2 between the top of two side wall fixed plates 1, two fixed blocks 5 are symmetrically fixed mounting in the middle part of the inboard surface of guard plate 2, the bracing piece 6 is installed in the rotation of the left and right surfaces of fixed block 5, can dismantle the connection between bottom and the corresponding side chamber fixed plate 1 of bracing piece 6, through setting up fixed block 5 in the inboard surface middle part of guard plate 2, and the bracing piece 6 that is connected with the side wall fixed plate is installed in the rotation of the left and right surfaces of fixed block 5, can utilize bracing piece 6 to strengthen the support to the middle part of guard plate 3, strengthen the holistic support strength of device;
specifically, as shown in fig. 3, the supporting rod 6 includes a solid column 61 and a hollow column 62, the top end of the solid column 61 is rotationally connected with the fixed block 5 through the rotating shaft 52, a plurality of adjusting holes are formed in the outer surface of the solid column 61 at equal intervals in a penetrating way, the hollow column 62 is sleeved on the outer surface of the solid column 61, a bolt assembly 63 is installed between the hollow column 62 and the adjusting holes, the position of the solid column 61 in the inner cavity of the hollow column 62 can be adjusted to adjust the middle length of the supporting rod 6, and the bolt assembly 63 is connected with the corresponding adjusting hole after adjustment;
as shown in fig. 1, a connection block 621 is fixedly installed at the bottom end of the hollow column 62, connection holes 622 are formed in the upper surface of the connection block 621 in a penetrating manner, C-shaped connection frames 11 are symmetrically and fixedly installed on the inner side surfaces of the side wall fixing plates 1, the connection block 621 is located in the C-shaped connection frames 11, first pin holes 111 are formed in the upper surfaces of the C-shaped connection frames 11 in a penetrating manner, pin rods 12 are inserted between the first pin holes 111 and the corresponding connection holes 622, and the pin rods 12 are used for fixing the connection block 621 in the C-shaped connection frames 11;
when transporting larger equipment in the tunnel, the installation position of the support rod 6 may affect the transportation of the equipment, and at this time, the pin rod 12 needs to be pulled out, the support rod 6 is rotated to the outside, and the bottom end position thereof is improved, so that the equipment can pass through.
In addition, in order to facilitate the simultaneous rotation of the left and right support rods 6, as shown in fig. 1, a connection plate 7 is fixedly connected between the upper parts of the left and right hollow columns 62, and the two support rods 6 can be rotated together by using the connection plate 7;
in order to facilitate positioning the rotated support rod 6, as shown in fig. 1, the lower surface of the connecting plate 7 is provided with a third pin hole 71 in a penetrating manner, the outer surface of the fixed block 5 is provided with a second pin hole 51, the sizes of the first pin hole 111, the second pin hole 51 and the third pin hole 71 are the same, and the pulled pin 12 can be inserted between the second pin hole 51 and the third pin hole 71 to fix the support rod 6 after rotation and positioning.
It is worth noting that when the soil layer above the tunnel hole collapses, peripheral operators timely find that, as shown in fig. 1, a mounting groove 21 is formed on the outer surface of the protection plate 2, six contact plates 3 are slidably mounted in the mounting groove 21, springs 4 are fixedly mounted between the contact plates 3 and the mounting groove 21, six collision alarms 22 are fixedly mounted on the inner surface of the protection plate 2, the detection ends of the collision alarms 22 are positioned in the mounting groove 21, the detection ends of the collision alarms 22 correspond to the positions of the contact plates 3, and when the collision alarms 22 are mounted, a movable space is reserved between the detection ends of the collision alarms 22 and the contact plates 3;
once the soil layer collapses, the contact plate 3 below is extruded and slid down, and the contact plate 3 after sliding down collides with the collision alarm 22, so that the collision alarm 22 gives out an audible alarm, and surrounding operators can be reminded of taking emergency measures in time.
In addition, in order to prevent the contact plates 3 from sliding to the lower parts of the adjacent contact plates 3 in a staggered manner, the lower sliding of the contact plates is affected to trigger the corresponding collision alarm 22, as shown in fig. 1, sleeve openings 31 are formed in the upper outer surfaces of the contact plates 3 in a penetrating manner, six orientation bars 211 are fixedly arranged in the mounting grooves 21 at equal intervals, and the orientation bars 211 penetrate the corresponding sleeve openings 31, so that each contact plate 3 can have an automatic orientation sliding track, the contact plates 3 can slide in an oriented manner, and the mutual influence is avoided.
Claims (6)
1. The utility model provides a construction hole section collapse prevention device, includes two side wall fixed plates (1), two fixed mounting has guard plate (2) between the top of side wall fixed plate (1), a serial communication port, the medial surface middle part symmetry fixed mounting of guard plate (2) has two fixed blocks (5), the support rod (6) are all installed in the surface about fixed block (5) rotation, can dismantle between the bottom of support rod (6) and the corresponding side chamber fixed plate (1) and be connected.
2. The collapse prevention device for the construction hole section according to claim 1, wherein the supporting rod (6) comprises a solid column (61) and a hollow column (62), the top end of the solid column (61) is rotationally connected with the fixed block (5) through a rotating shaft (52), a plurality of adjusting holes are formed in the outer surface of the solid column (61) in an equidistant penetrating mode, the hollow column (62) is sleeved on the outer surface of the solid column (61), and a bolt assembly (63) is arranged between the hollow column (62) and the adjusting holes.
3. The collapse prevention device for the construction hole section according to claim 2, wherein a connecting block (621) is fixedly installed at the bottom end of the hollow column (62), connecting holes (622) are formed in the upper surface of the connecting block (621) in a penetrating mode, C-shaped connecting frames (11) are symmetrically and fixedly installed on the inner side surfaces of the side wall fixing plates (1), the connecting block (621) is located in the C-shaped connecting frames (11), first pin holes (111) are formed in the upper surface of the C-shaped connecting frames (11) in a penetrating mode, and pin rods (12) are installed between the first pin holes (111) and the corresponding connecting holes (622) in a penetrating mode.
4. A collapse prevention device for a construction hole section according to claim 3, wherein a connecting plate (7) is fixedly connected between the upper parts of the left and right hollow columns (62), third pin holes (71) are formed in the lower surfaces of the connecting plates (7) in a penetrating manner, second pin holes (51) are formed in the outer side surfaces of the fixing blocks (5), and the first pin holes (111), the second pin holes (51) and the third pin holes (71) are identical in size.
5. The collapse prevention device for the construction tunnel section according to claim 1, wherein a mounting groove (21) is formed in the outer surface of the protection plate (2), six contact plates (3) are slidably mounted in the mounting groove (21), springs (4) are fixedly mounted between the contact plates (3) and the mounting groove (21), six collision alarms (22) are fixedly mounted on the inner surface of the protection plate (2), the detection end of each collision alarm (22) is located in the mounting groove (21), and the detection end of each collision alarm (22) corresponds to the position of each contact plate (3).
6. The collapse prevention device for the construction tunnel section according to claim 5, wherein a sleeve opening (31) is formed in the upper outer surface of the contact plate (3) in a penetrating mode, six orientation rods (211) are fixedly installed in the installation groove (21) at equal intervals, and the orientation rods (211) penetrate through the corresponding sleeve openings (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322267287.1U CN220522606U (en) | 2023-08-23 | 2023-08-23 | Collapse preventing device for construction hole section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322267287.1U CN220522606U (en) | 2023-08-23 | 2023-08-23 | Collapse preventing device for construction hole section |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220522606U true CN220522606U (en) | 2024-02-23 |
Family
ID=89938179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322267287.1U Active CN220522606U (en) | 2023-08-23 | 2023-08-23 | Collapse preventing device for construction hole section |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220522606U (en) |
-
2023
- 2023-08-23 CN CN202322267287.1U patent/CN220522606U/en active Active
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