CN117266203B - Rock-soil foundation pit slope protection structure and construction method thereof - Google Patents
Rock-soil foundation pit slope protection structure and construction method thereof Download PDFInfo
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- CN117266203B CN117266203B CN202311567087.6A CN202311567087A CN117266203B CN 117266203 B CN117266203 B CN 117266203B CN 202311567087 A CN202311567087 A CN 202311567087A CN 117266203 B CN117266203 B CN 117266203B
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- 239000002689 soil Substances 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 147
- 239000011435 rock Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
- E02D17/202—Securing of slopes or inclines with flexible securing means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention discloses a rock-soil foundation pit slope protection structure and a construction method thereof, which relate to the field of slope protection, wherein a plurality of first connecting rings and a plurality of second connecting rings which are in one-to-one correspondence are respectively arranged at the joint of two adjacent slope protection nets, the first connecting rings and the second connecting rings which are mutually corresponding form a hollow circle, and the first connecting rings and the second connecting rings can circumferentially rotate on the corresponding slope protection nets; the junction of two adjacent bank protection nets is provided with first action pole and second action pole respectively, and first action pole and first go-between meshing, second action pole and second go-between meshing, and first action pole and second action pole are rotatory, make first go-between and second go-between syntropy circumference rotation 90 degrees. Through second action pole and first action pole rotation, make the first go-between and the second go-between of the junction of two adjacent slope protection nets rotate, realize the quick connect of two slope protection nets, simplified the operation, improved connecting efficiency.
Description
Technical Field
The invention relates to the field of slope protection, in particular to a rock-soil foundation pit slope protection structure and a construction method thereof.
Background
At present, before the slope of the deep and narrow foundation pit is not hardened or the slope protection device is installed, in order to avoid the earth direction at two sides of the deep and narrow foundation pit from rolling down, a protection net is usually installed to protect the slope. However, the current protective net installation process is to pull the protective net by workers to move, because the side slope is generally longer and has large width, the whole roll of protective net is difficult to pull manually, so that a plurality of small protective nets are usually assembled, at least two operators are required to carry out protective paving on the upper side and the lower side of the side slope in the actual operation process, and then the protective net is simply covered with soil to fix. In the process, on one hand, the problems of slow installation and construction progress of the excavation and the protective net and high labor intensity in the earthing process exist, and on the other hand, the spliced protective net is easy to slide and fall off and has poor protective effect.
Disclosure of Invention
The invention aims to provide a rock-soil foundation pit slope protection structure and a construction method thereof, and the first connecting ring and the second connecting ring and the first action rod and the second action rod at the joint of slope protection nets are used for rapidly and conveniently completing the connection between the two slope protection nets, so that the operation is convenient, the connection is stable, and the falling off is not easy.
The purpose is realized by adopting the following technical scheme:
the utility model provides a rock soil foundation pit slope protection structure and construction method thereof, includes a plurality of bank protection nets, and the junction of two adjacent bank protection nets is provided with a plurality of first go-between and a plurality of second go-between of one-to-one respectively, and specifically, the junction of one bank protection net is provided with a plurality of first go-between, and the junction of another bank protection net is provided with a plurality of second go-between, and first go-between and the second go-between on two bank protection nets one-to-one, and when two bank protection nets connect, corresponding first go-between and second go-between constitute hollow circle.
The junction of one of them bank protection net is provided with a plurality of adapter sleeves, and a plurality of first go-between are connected respectively in a plurality of adapter sleeves, and the junction of another bank protection net is provided with a plurality of adapter sleeves, and a plurality of second go-between are connected respectively in a plurality of adapter sleeves, and the effect of adapter sleeve is fixed first go-between and second go-between.
When the first connecting ring and the second connecting ring form a hollow circle and rotate by 90 degrees in the same direction and circumference, one end of the first connecting ring rotates from the connecting sleeve of one slope protection net to the connecting sleeve of the other slope protection net, and the other end of the first connecting ring is still positioned in the connecting sleeve of the other slope protection net. One end of the second connecting ring rotates from the connecting sleeve of the other slope protection net to the connecting sleeve of one slope protection net, and the other end of the second connecting ring is still positioned in the connecting sleeve of the other slope protection net. The two slope protection nets are mutually connected through the first connecting ring and the second connecting ring.
The first connecting ring and the second connecting ring are rotated to realize the interconnection of the two slope protection nets, various technical means for rotating the first connecting ring and the second connecting ring can be realized through manual rotation or other structures, and for the device, in order to further simplify the operation, the inventor designs a first acting rod and a second acting rod on the basis of the structure, the first acting rod is meshed with a plurality of first connecting rings, the second acting rod is meshed with a plurality of second connecting rings, and the first acting rod and the second acting rod rotate to enable the first connecting ring and the second connecting ring to rotate by 90 degrees in the same direction and circumference. The straight line where the first action rod and the second action rod are located is perpendicular to the axes of the first connecting ring and the second connecting ring, gears are arranged on the first connecting ring and the second connecting ring and meshed with the first action rod and the second action rod, and then when the first action rod and the second action rod rotate circumferentially, the first connecting ring and the second connecting ring rotate circumferentially in the same direction. Preferably, the slope protection net is provided with at least three first connecting rings and second connecting rings.
Compared with the prior art, on connecting two adjacent slope protection nets, the first action rod and the second action rod can be directly rotated by an operator to adjust all first connecting rings and second connecting rings of the slope protection nets to rotate, each slope protection net does not need to be independently adjusted, the operation is greatly simplified, and the two adjacent slope protection nets can be firmly connected, so that the separation of the adjacent slope protection nets can be effectively avoided, and the slope protection net is more convenient to use for a long time.
Further, the fixing piece comprises a central plate, at least one connecting rod is connected to the central plate, a first fixing rod is vertically connected to the connecting rod, a second fixing rod is vertically connected to the central plate, the first fixing rod and the second fixing rod are parallel to each other, the second fixing rod is used for being inserted into the hollow circle, and the first fixing rod is used for being inserted into the first action rod or the second action rod.
When two adjacent slope protection nets are connected, after the hollow circle formed by the first connecting ring and the second connecting ring rotates, the second fixing rod is preliminarily connected in the hollow circle, the first fixing rod is inserted into the first action rod or the second action rod to be connected with the foundation pit, after the first fixing rod is inserted into the first action rod or the second action rod, the first action rod or the second action rod cannot rotate circumferentially, and then the positions of the first connecting ring and the second connecting ring are fixed, so that stable connection between the two slope protection nets is realized.
Preferably, four connecting rods are connected to the central plate, the four connecting rods comprise four first fixing rods, two first fixing rods are inserted into the first acting rods, the other two first fixing rods are inserted into the second acting rods, and the first acting rods or the second acting rods are further prevented from rotating.
Meanwhile, the fixing piece comprises at least two center plates, telescopic rods are connected between two adjacent center plates, and a plurality of telescopic rods are located on the same straight line. The distance between two adjacent center plates is the same. The two central plates move through the telescopic rod, at least two connecting rods are connected to the central plates, two connecting rods of one central plate are connected with two connecting rods of the other central plate in the adjacent two central plates, when the two central plates move, the two connecting rods of the one central plate are connected with two connecting rods of the other central plate, the positions of the two connecting rods are automatically adjusted in the moving process of the central plates, and the use efficiency is improved.
Specifically, when the first acting rod and the second acting rod are respectively meshed with the first connecting ring and the second connecting ring, so that the first connecting ring and the second connecting ring circumferentially rotate, the first connecting ring and the first acting rod can be connected through a gear, and the second connecting ring and the second acting rod are also connected through the gear; the first action rod and the second action rod are respectively provided with a plurality of spring sections, the first connecting ring and the second connecting ring are respectively provided with corresponding gears, the spring sections are meshed with the gears, and the first action rod and the second action rod are flexible rods. The length of the first action rod and the second action rod is not less than the height of the slope protection net.
Wherein the flexible pole is the flexible pole that can crooked to arbitrary shape, the benefit of flexible pole and spring section is the slope protection net when accomodating, through acting on first action pole and second action pole, the slope protection net can crooked folding, be convenient for operate and use, simultaneously to the foundation ditch of different structures, can be with the upper end bending of first action pole and second action pole for different angles, and then be applicable to the structure that one end is located the top of foundation ditch, the other end is located the side of foundation ditch, be applicable to the foundation ditch of different angles, more be convenient for widely used.
On the basis, in order to further improve the connection stability between the two slope protection nets, the inventor is provided with a plurality of locking pieces on the first action rod and the second action rod, and the locking pieces are in one-to-one correspondence with the hollow circles; the locking piece comprises two connecting blocks and two connecting grooves, wherein one connecting block and one connecting groove are positioned on the first action rod, and the other connecting block and the other connecting groove are positioned on the second action rod; the connecting block on the first action rod and the connecting groove on the second action rod are positioned on the same height, and the connecting groove on the first action rod and the connecting block on the second action rod are positioned on the same height; the connecting block on the first action rod is connected with a first connecting plate with a telescopic length, and the first connecting plate is meshed with the first connecting ring; the connecting block on the second action rod is connected with a second connecting plate with a telescopic length, and the second connecting plate is meshed with the second connecting ring;
when the first connecting ring and the second connecting ring rotate circumferentially, the first connecting plate is extended, one end of the first connecting plate is inserted into the connecting groove on the second acting rod, the second connecting plate is extended, and one end of the second connecting plate is inserted into the connecting groove on the first acting rod.
After the first connecting plate and the second connecting plate are respectively inserted on the second action rod and the first action rod, the second action rod and the first action rod cannot circumferentially rotate, and then the first connecting ring and the second connecting ring are controlled to be fixed in position, so that the fixed connection of two adjacent slope protection nets is realized, the separation of the two slope protection nets is further avoided, and the use efficiency is improved.
Further, the slope protection net comprises two small slope protection nets, the two small slope protection nets are connected through a flexible connecting piece, and the flexible connecting piece can enable the included angle between the two small slope protection nets to be 0-180 degrees. The flexible connecting piece has two effects, and one of them, the flexible connecting piece is located the center department of two little bank protection nets, to being separated into the further connection of two little bank protection nets, compares with the slope protection net that is a slice holistic directly, and the flexible connecting piece has stabilized the steadiness between two little bank protection nets, avoids taking place to break away from between the center department of slope protection net and the foundation ditch, has improved the guard action effect of slope protection net. And two, the flexible connecting piece enables the two small slope protection nets to be placed in a spreading manner, and can be placed in an overlapping manner, so that the slope protection nets are convenient to store and use.
Compared with the prior art, the invention has the following advantages and beneficial effects:
according to the rock-soil foundation pit slope protection structure and the construction method thereof, the second action rod and the first action rod rotate, so that the first connecting ring and the second connecting ring at the joint of two adjacent slope protection nets rotate, and the two slope protection nets are connected quickly. This device does not need operating personnel to connect the operation one by one in the junction, and direct rotation first action bars and second action bars can, has simplified the operation, has improved connection efficiency.
The device is connected simultaneously on two slope protection nets through the first connecting ring and the second connecting ring, can realize firm connection, is difficult to separate between two slope protection nets, improves the connection steadiness.
And, this device inserts respectively on second action pole and first action pole through first connecting plate and second connecting plate after, makes first action pole and second action pole fixed, does not carry out circumference rotation, and then further fixed first go-between and second go-between's position, avoids further emergence rotation to make the bank protection net separation.
Simultaneously, all first connecting plates, second connecting plates, first connecting rings and second connecting rings at the junction are all operated through the rotation of first action bars and second action bars, and when locking, first connecting plates, second connecting plates insert first action bars and second action bars and also realize through rotatory first action bars and second action bars simultaneously, need not unnecessary operation, more be convenient for operation use.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention. In the drawings:
FIG. 1 is a schematic view of the slope protection net structure in embodiment 1;
FIG. 2 is a schematic view of the structure of the embodiment 1 when two adjacent slope protection nets are connected;
FIG. 3 is a schematic view of the structure of the fixing member in embodiment 1;
fig. 4 is a schematic structural diagram of a first fixing rod and a second fixing rod of the fixing member in embodiment 1;
FIG. 5 is a top view of the fastener of example 1;
FIG. 6 is a schematic view showing the structure in which both the first connecting plate and the second connecting plate are shortened in the locking member of embodiment 3;
FIG. 7 is a schematic view showing the elongated structures of the first and second connection plates in the locking member of embodiment 3;
FIG. 8 is a schematic view showing the original state of the spring section and the gear in embodiment 4;
FIG. 9 is a schematic view showing the elongation structure of the first and second connection plates after the spring section and the gear in embodiment 4 are rotated;
fig. 10 is a schematic diagram showing the structures of the upper slope protection net and the lower slope protection net in embodiment 5.
In the drawings, the reference numerals and corresponding part names:
1-small slope protection net, 2-first action rod, 3-first connecting ring, 4-first connecting plate, 5-second connecting ring, 6-second action rod, 7-second connecting plate, 8-flexible connecting piece, 9-connecting blocks, 10-upper slope protection net, 11-lower slope protection net, 12-connecting grooves, 13-spring sections, 14-central plates, 15-connecting rods, 16-second fixing rods, 17-telescopic rods and 18-first fixing rods.
Detailed Description
For the purpose of making apparent the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, wherein the exemplary embodiments of the present invention and the descriptions thereof are for illustrating the present invention only and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the scope of the present invention.
Example 1
As shown in fig. 1, including a plurality of bank protection nets, two adjacent bank protection nets are first bank protection net and second bank protection net respectively, the junction of first bank protection net is provided with three first go-between 3, the junction of second bank protection net is provided with three second go-between 5, three first go-between 3 and three second go-between 5 one-to-one, three first go-between 3 and three second go-between 5 are the semicircle form, and when first bank protection net and second bank protection net are connected, hollow circle is constituteed to corresponding first go-between 3 and second go-between 5, the both ends of first go-between 3 are contacted with the both ends of second go-between 5, and the both ends of first go-between 3 and the junction collineation of first bank protection net, the both ends of second go-between 5 and the junction collineation of second bank protection net. The junction of first bank protection net is provided with the adapter sleeve, and the adapter sleeve is hollow rubber adapter sleeve, and every first go-between 3 corresponds two adapter sleeves, and the both ends of first go-between 3 are connected with two adapter sleeves respectively. The junction of second bank protection net is provided with the adapter sleeve, and the adapter sleeve is hollow rubber adapter sleeve, and every second go-between corresponds two adapter sleeves, and the both ends of second go-between are connected with two adapter sleeves respectively.
The first slope protection net is provided with a first action rod 2, the second slope protection net is provided with a second action rod 6, the first action rod 2 is meshed with three first connecting rings 3, the second action rod 6 is meshed with three second connecting rings 5, when the first action rod 2 and the second action rod 6 rotate, the first connecting rings 3 and the second connecting rings 5 rotate by 90 degrees in the same direction and in the circumferential direction, one end of the first connecting ring 3 moves from a connecting sleeve which corresponds to the first slope protection net and is positioned below to a connecting sleeve which is positioned above, and the other end of the first connecting ring 3 moves from a connecting sleeve which corresponds to the first slope protection net and is positioned above to a connecting sleeve which corresponds to the second slope protection net. One end of the second connecting ring 5 moves from the connecting sleeve corresponding to the second slope protection net and positioned below to the connecting sleeve positioned above, and the other end of the second connecting ring moves from the connecting sleeve corresponding to the second slope protection net and positioned above to the connecting sleeve corresponding to the first slope protection net, so that the fixed connection between the first slope protection net and the second slope protection net is realized.
In some embodiments, the first action rod and the second action rod are respectively provided with a gear, the first connecting ring and the second connecting ring are respectively provided with a corresponding gear, the gears of the first action rod are meshed with the gears of the first connecting ring, the gears of the second action rod are meshed with the gears of the second connecting ring, and when the first action rod and the second action rod rotate, the first connecting ring and the second connecting ring are driven to rotate in the same direction and in the circumferential direction.
As shown in fig. 3, the fixing member includes a central plate 14, four links 15 are connected to the central plate 14, first fixing rods 18 are vertically connected to the links 15, second fixing rods 16 are vertically connected to the central plate 14, the first fixing rods 18 and the second fixing rods 16 are parallel to each other, the second fixing rods 16 are inserted into hollow circles, the four links 15 include four first fixing rods 18, two of the first fixing rods 18 are inserted into the first action bars 2, and the other two first fixing rods 18 are inserted into the second action bars 6. And, four first fixing bars 18 constitute a rectangle.
When in use, the slope protection net is paved on a slope, and the first connecting ring 3 and the second connecting ring 5 corresponding to the joint of two adjacent slope protection nets form a hollow circle; the first action rod 2 and the second action rod 6 rotate to enable the first connecting ring 3 and the second connecting ring 5 to rotate by 90 degrees in the same direction and the circumferential direction, two ends of the first connecting ring 3 are respectively positioned in the two slope protection nets, and two ends of the second connecting ring 5 are respectively positioned in the two slope protection nets; inserting the tips of the second fixing bars 16 into the hollow circles, wherein two first fixing bars 18 are inserted into the first action bars 2 and the other two first fixing bars 18 are inserted into the second action bars 6; the pressing link 15 causes the upper end of the second fixing lever 16 to be inserted into the hollow circle, and the upper end of the first fixing lever 18 to be inserted into the first action lever 2 or the second action lever 6.
Example 2
On the basis of the above embodiment, as shown in fig. 4 and 5, the fixing member includes three center plates 14, and a telescopic rod 17 is connected between two adjacent center plates 14, and the two telescopic rods 17 are located on the same line. The first central plate and the third central plate are respectively connected with a first fixed end and a second fixed end through telescopic rods, the first fixed end is connected with two adjacent connecting rods 15, the second fixed end is connected with two adjacent connecting rods 15, and the distances between the two adjacent central plates 14 are the same. The second fixing rod 16 is detachably connected with the central plates 14 through threads, when the movable fixing rod is not used, the second fixing rod 16 is separated from the central plates 14, two adjacent central plates 14 are contacted through shortening of the telescopic rods, and the fixing pieces are stored.
When the telescopic rod is required to be used, the telescopic rod stretches, the connecting rod 15 is driven to rotate and move in the stretching process of the telescopic rod, the second fixing rod 16 is connected with the central plate 14, after the connection, the position of the first fixing rod corresponds to the first action rod 2 or the second action rod 6, and the second fixing rod can be inserted into the first action rod or the second action rod, and the positions of the second fixing rod correspond to three hollow circles respectively.
Example 3
On the basis of the above embodiment, as shown in fig. 6, the first action bar 2 and the second action bar 6 are provided with a plurality of locking pieces, and the locking pieces are in one-to-one correspondence with the hollow circles; when there are three first connection rings 3 and three second connection rings 5, the device has three locking elements comprising two connection blocks 9, two connection slots 12, a first connection plate 4 with a telescopic length and a second connection plate 7 with a telescopic length. One of the connecting blocks 9 and one of the connecting grooves 12 are positioned on the first action bars 2, and the other connecting block 9 and the other connecting groove 12 are positioned on the second action bars 6; and the connecting block 9 on the first action bar 2 and the connecting groove 12 on the second action bar 6 are positioned at the same height, and the connecting groove 12 on the first action bar 2 and the connecting block 9 on the second action bar 6 are positioned at the same height.
The connecting block 9 on the first action bar 2 is connected with one end of the first connecting plate 4, the first connecting plate 4 is meshed with the first connecting ring 3, the first connecting plate 4 comprises two connecting plates connected in a sleeved mode, gears are arranged on the connecting plates located outside, after the connecting plates located outside move, the connecting plates located inside are exposed, and the first connecting plate 4 stretches.
The connecting block 9 on the second action bars 6 is connected with one end of the second connecting plate 7, the second connecting plate 7 is meshed with the second connecting ring 5, the second connecting plate 7 comprises two connecting plates connected in a sleeved mode, gears are arranged on the connecting plates located outside, after the connecting plates located outside move, the connecting plates located inside are exposed, and the second connecting plate 7 stretches.
In the original state, as shown in fig. 6, both the first connection plate and the second connection plate are in the shortened original state. When the first and second connection rings 3 and 5 are rotated in the circumferential direction, as shown in fig. 7, the first connection ring 3 is engaged with a gear on the first connection plate and drives the connection plate outside the first connection plate to move until being inserted into the connection groove 12 at the same height. The second connecting ring 5 is meshed with a gear on the second connecting plate 7 and drives the connecting plate outside the second connecting plate to move until the connecting plate is inserted into the connecting groove 12 at the same height.
In this embodiment, the positions of the connecting grooves are set, when the first connecting ring 3 and the second connecting ring 5 are rotated by 90 degrees in the circumferential direction, the axis of one connecting groove 12 is collinear with the axis of the first connecting plate 4, the axis of the other connecting groove 12 is collinear with the axis of the second connecting plate 7, one end of the first connecting plate is inserted into the second acting rod 6, one end of the second connecting plate 7 is inserted into the first acting rod 2, and at this time, the first acting rod 2 and the second acting rod 6 are locked and do not rotate in the circumferential direction.
In this embodiment, the connection block 9 on the first acting lever 2 can circumferentially rotate on the first connection plate 4, the connection block 9 on the second acting lever 6 can circumferentially rotate on the second connection plate 7, and neither the first connection plate 4 nor the second connection plate 7 rotates.
In some embodiments, among the four first fixing bars 18, two first fixing bars 18 are inserted into the corresponding connection blocks of the connection block 9 and the connection groove 12 of the first acting bar 2, and the other two first fixing bars 18 are inserted into the corresponding connection blocks of the connection block 9 and the connection groove 12 of the second acting bar 6.
Example 4
As shown in fig. 8, the first action bar 2 and the second action bar 6 are provided with a plurality of spring segments 13, the first connecting ring 3 and the second connecting ring 5 are provided with corresponding gears, and the spring segments 13 are meshed with the gears. The first action bars 2 and the second action bars 6 are flexible bars. The first action bar 2 and the second action bar 6 comprise flexible connecting rods and rubber layers sleeved on the flexible connecting rods, and spring sections are sleeved on the rubber layers, so that the first action bar 2 and the second action bar 6 can be bent to any angle to be suitable for different slopes when the multifunctional electric motor is used. The length of first action pole 2 and second action pole 6 is not less than the height of bank protection net, and in general bank protection net includes two pavements, has the contained angle between two pavements, and the one end of first action pole 2 and second action pole 6 is located one and lays the surface, can fix a position fast, and the other end is located another and lays the surface, and the crooked required angle of first action pole 2 and second action pole 6, more convenient to use.
In the original state, as shown in fig. 8, the spring section 13 is located between the connecting block 9 and the connecting groove 12, the connecting block 9 on the first acting rod 2 is connected with one end of the first connecting plate 4, the other end of the first connecting plate 4 is meshed with the first connecting ring 3, the connecting block 9 on the second acting rod 6 is connected with one end of the second connecting plate 7, and the other end of the second connecting plate 7 is meshed with the second connecting ring 5.
After the first and second action bars 2 and 7 are rotated, as shown in fig. 9, the first and second connection plates 4 and 7 are extended, one end of the first connection plate is inserted into the connection groove 12 of the second action bar 6, and one end of the second connection plate 7 is inserted into the connection groove 12 of the first action bar 2.
Example 5
The slope protection net comprises two small slope protection nets 1, the two small slope protection nets 1 are connected through a flexible connecting piece 8, and the flexible connecting piece 8 can enable the included angle between the two small slope protection nets 1 to be 0-180 degrees. When in use, the two small slope protection nets 1 are tiled and positioned on the same plane, the included angle between the two small slope protection nets 1 is 180 degrees, and when in storage, the two small slope protection nets 1 are overlapped and placed, and the included angle between the two small slope protection nets 1 is 0 degree. The flexible connecting piece is of an existing structure.
As shown in fig. 10, the small slope protection net 1 sequentially comprises an upper slope protection net 10 and a lower slope protection net 11 from top to bottom, the first connecting ring 3 and the second connecting ring 5 are located between the upper slope protection net 10 and the lower slope protection net 11, and the first connecting ring 3 and the second connecting ring 5 can both circumferentially rotate on the upper slope protection net 10 and the lower slope protection net 11. The first connection plate 4 and the second connection plate 7 are connected between the upper slope protection net 10 and the lower slope protection net 11, and can move between the upper slope protection net 10 and the lower slope protection net 11.
When the hollow circle formed by the first connecting ring 3 and the second connecting ring 5 is not rotated, the to-be-expanded part of the expansion bolt is connected in the hollow circle, the to-be-expanded part is initially connected with the foundation pit, the position of the hollow circle is fixed, then the first connecting ring 3 and the second connecting ring 5 are rotated, two adjacent slope protection nets are connected, after connection, the expansion bolt is further connected, the to-be-expanded part is expanded in the foundation pit and the inner ring of the hollow circle, the first connecting ring 3 and the second connecting ring 5 are further fixed to be connected with the foundation pit, meanwhile, the friction force between the expansion part and the hollow circle is increased through the action of the expansion part on the inner ring of the hollow circle, and the first connecting ring 3 and the second connecting ring 5 are prevented from rotating circumferentially to separate the two slope protection nets.
The use of "first," "second," etc. herein is for clarity of description only and is not intended to limit any order or emphasize importance, etc. to distinguish between corresponding components. In addition, the term "coupled" as used herein may be directly coupled or indirectly coupled via other components, unless otherwise indicated.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The rock-soil foundation pit slope protection structure comprises a plurality of slope protection nets and a plurality of fixing pieces, and is characterized in that a plurality of first connecting rings (3) and a plurality of second connecting rings (5) which are in one-to-one correspondence are respectively arranged at the joint of two adjacent slope protection nets, and the first connecting rings (3) and the second connecting rings (5) which are in mutual correspondence form a hollow circle; the two adjacent slope protection nets are respectively provided with a first action rod (2) and a second action rod (6), the first action rod (2) is meshed with the first connecting ring (3), the second action rod (6) is meshed with the second connecting ring (5), and the first action rod (2) and the second action rod (6) rotate to enable the first connecting ring (3) and the second connecting ring (5) to rotate by 90 degrees in the same direction and circumference; the fixing piece comprises a central plate (14), at least one connecting rod (15) is connected to the central plate (14), a first fixing rod (18) is vertically connected to the connecting rod (15), a second fixing rod (16) is vertically connected to the central plate (14), the first fixing rod (18) and the second fixing rod (16) are parallel to each other, the second fixing rod (16) is used for being inserted into a hollow circle, and the first fixing rod (18) is used for being inserted into the first acting rod (2) or the second acting rod (6); a plurality of locking pieces are arranged on the first action rod (2) and the second action rod (6), and the locking pieces are in one-to-one correspondence with the hollow circles; the locking piece comprises two connecting blocks (9), two connecting grooves (12), a first connecting plate (4) with telescopic length and a second connecting plate (7) with telescopic length; one connecting block (9) and one connecting groove (12) are positioned on the first action rod (2), and the other connecting block (9) and the other connecting groove (12) are positioned on the second action rod (6); the connecting block (9) on the first action rod (2) and the connecting groove (12) on the second action rod (6) are positioned on the same height, and the connecting groove (12) on the first action rod (2) and the connecting block (9) on the second action rod (6) are positioned on the same height; the connecting blocks (9) on the first action bars (2) are connected with one end of the first connecting plates (4), the first connecting plates (4) are meshed with the first connecting rings (3), the first connecting plates (4) comprise two connecting plates connected in a sleeved mode, gears are arranged on the connecting plates located outside, after the connecting plates located outside move, the connecting plates located inside are exposed, and the first connecting plates (4) are stretched; connecting block (9) on second action bars (6) are connected with one end of second connecting plate (7), and second connecting plate (7) and second go-between (5) meshing, and second connecting plate (7) are including two connecting plates that the suit is connected, all are provided with the gear on being located outside connecting plate, and after outside connecting plate removes, inside connecting plate exposes, and second connecting plate (7) realize the extension.
2. A rock and soil pit slope protection structure according to claim 1, characterized in that the central plate (14) is connected with four connecting rods (15), the four connecting rods (15) comprise four first fixing rods (18), two of the first fixing rods (18) are inserted into the first action bars (2), and the other two first fixing rods (18) are inserted into the second action bars (6).
3. A rock-soil foundation pit slope protection structure according to claim 1, characterized in that the fixing member comprises at least two central plates (14), a telescopic rod (17) is connected between two adjacent central plates (14), and a plurality of telescopic rods (17) are positioned on the same straight line.
4. The rock-soil foundation pit slope protection structure according to claim 1, wherein a rubber layer is sleeved on the second fixing rod (16), and the outer diameter of the rubber layer is the same as the inner diameter of the hollow circle.
5. A rock foundation pit slope protection structure according to claim 3, characterized in that the distance between two adjacent centre plates (14) is the same.
6. A rock and soil pit slope protection structure according to claim 3, characterized in that at least two connecting rods (15) are connected to the central plates (14), and in two adjacent central plates (14), two connecting rods (15) of one central plate (14) are connected to two connecting rods (15) of the other central plate (14).
7. The rock-soil foundation pit slope protection structure according to claim 1, wherein a plurality of connecting sleeves corresponding to each other are respectively arranged at the connecting positions of two adjacent slope protection nets, the first connecting ring (3) is connected in the connecting sleeve of one of the slope protection nets, and the second connecting ring (5) is connected in the connecting sleeve of the other slope protection net.
8. A rock foundation pit slope protection structure according to claim 1, characterized in that the first action bars (2) and the second action bars (6) are flexible bars.
9. A rock-soil foundation pit slope protection structure according to claim 1, characterized in that the length of the first action bars (2) and the second action bars (6) is not less than the height of the slope protection net.
10. A construction method of a rock-soil foundation pit slope protection structure, which is characterized by comprising the slope protection structure as claimed in any one of claims 1-9, and comprising:
paving slope protection nets on a slope, wherein a first connecting ring (3) and a second connecting ring (5) which correspond to the joint of two adjacent slope protection nets form a hollow circle;
the first action rod (2) and the second action rod (6) rotate to enable the first connecting ring (3) and the second connecting ring (5) to rotate by 90 degrees in the same direction and the circumferential direction, two ends of the first connecting ring (3) are respectively positioned in the two slope protection nets, and two ends of the second connecting ring (5) are respectively positioned in the two slope protection nets;
inserting the tip of the second fixing rod (16) into the hollow circle, and inserting the tip of the first fixing rod (18) into the first action rod (2) or the second action rod (6);
the connecting rod (15) is pressed to enable the upper end of the second fixing rod (16) to be inserted into the hollow circle, and the upper end of the first fixing rod (18) is inserted into the first action rod (2) or the second action rod (6).
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| CN202311567087.6A CN117266203B (en) | 2023-11-23 | 2023-11-23 | Rock-soil foundation pit slope protection structure and construction method thereof |
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| CN202311567087.6A CN117266203B (en) | 2023-11-23 | 2023-11-23 | Rock-soil foundation pit slope protection structure and construction method thereof |
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| CN117266203B true CN117266203B (en) | 2024-02-13 |
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| CN117266203A (en) | 2023-12-22 |
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