CN114808695A - Support anchor rope and fixed knot construct - Google Patents
Support anchor rope and fixed knot construct Download PDFInfo
- Publication number
- CN114808695A CN114808695A CN202210412249.8A CN202210412249A CN114808695A CN 114808695 A CN114808695 A CN 114808695A CN 202210412249 A CN202210412249 A CN 202210412249A CN 114808695 A CN114808695 A CN 114808695A
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- Prior art keywords
- ring
- lock ring
- steel strand
- lock
- interior
- Prior art date
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 95
- 239000010959 steel Substances 0.000 claims abstract description 95
- 239000002184 metal Substances 0.000 claims description 16
- 238000009434 installation Methods 0.000 description 9
- 239000011435 rock Substances 0.000 description 7
- 239000011347 resin Substances 0.000 description 6
- 229920005989 resin Polymers 0.000 description 6
- 230000003014 reinforcing effect Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 239000002689 soil Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/14—Towers; Anchors ; Connection of cables to bridge parts; Saddle supports
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/74—Means for anchoring structural elements or bulkheads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/30—Miscellaneous comprising anchoring details
Abstract
The invention provides a supporting anchor cable and a fixing structure, wherein the supporting anchor cable comprises: an inner steel strand; the outer steel strands are arranged at intervals along the circumferential direction of the inner steel strand; locking structure, locking structure includes main lock ring, vice lock ring and interior lock ring, and the connection can be dismantled with the both ends of vice lock ring respectively at the both ends of main lock ring, and a plurality of outer steel strand wires pass main lock ring and vice lock ring around the cavity that forms, and main lock ring presss from both sides tight a plurality of outer steel strand wires with vice lock ring, and the one end and the main lock ring of interior lock ring are connected, and the other end of interior lock ring passes vice lock ring, and interior steel strand wires pass interior lock ring and with interior lock ring interference fit. This scheme adopts mutually independent main lock ring and vice lock ring to through lock ring and interior steel strand wires interference fit in setting up, compare in traditional ring tooth mode, the difficult condition that drops that appears has guaranteed the stability and the reliability of structure more.
Description
Technical Field
The invention relates to the technical field of engineering supports, in particular to a support anchor cable and a fixing structure.
Background
The anchor cable is characterized in that when the main cable is anchored in a side hole in a suspension bridge, the main cable is divided into a plurality of steel bundles which are respectively anchored in an anchor ingot, and the steel bundles are called as the anchor cables. The anchor cable is a prestressed steel strand which is fixed on the slope surface through the outer end and passes through the sliding surface of the side slope in a stable rock body with the other end anchored in the sliding surface, so that the anti-sliding resistance is directly generated on the sliding surface, the anti-sliding friction resistance is increased, the structural surface is in a compact state, and the integrity of the rock body of the side slope is improved, thereby fundamentally improving the mechanical property of the rock body, effectively controlling the displacement of the rock body, promoting the stability of the rock body, and achieving the purpose of renovating bedding, sliding slopes, dangerous rocks and dangerous rocks.
The anchor cable is installed and fixed, firstly, a hole needs to be drilled in a soil layer, then a resin roll is added into the hole, then the anchor cable is driven into the hole by a drilling machine, and meanwhile, the resin roll is smashed by the ring teeth so as to be filled at the bottom of the hole.
However, the existing anchor cable ring teeth are generally fixed on the steel strand in a spot welding manner, and the existing anchor cable ring teeth may fall off due to infirm welding during installation and fixation, so that the working progress is influenced; and at present, the anchor cable is generally matched with anchor rods to be distributed at intervals in the linear direction when in use, so that the internal part of a soil layer in the linear direction is easily damaged, and the collapse is caused.
Disclosure of Invention
The invention provides a support anchor cable and a fixing structure, which are used for optimizing the structural strength of the support anchor cable in the prior art.
To achieve the above object, according to one aspect of the present invention, there is provided a support bolt comprising: an inner steel strand; the outer steel strands are arranged at intervals along the circumferential direction of the inner steel strand; locking structure, locking structure includes main lock ring, vice lock ring and interior lock ring, and the connection can be dismantled with the both ends of vice lock ring respectively at the both ends of main lock ring, and a plurality of outer steel strand wires pass main lock ring and vice lock ring around the cavity that forms, and main lock ring presss from both sides tight a plurality of outer steel strand wires with vice lock ring, and the one end and the main lock ring of interior lock ring are connected, and the other end of interior lock ring passes vice lock ring, and interior steel strand wires pass interior lock ring and with interior lock ring interference fit.
Further, interior locking ring is including the first connecting piece, the lantern ring and the second connecting piece that connect gradually, the inner wall connection of first connecting piece and main locking ring, interior steel strand wires pass the lantern ring and with lantern ring interference fit, the second connecting piece passes vice locking ring.
Furthermore, main lock ring includes main arc board and sets up first installation piece, the second installation piece at main arc board both ends respectively, and vice lock ring includes vice arc and sets up third installation piece, the fourth installation piece at vice arc both ends respectively, and first installation piece and third installation piece can be dismantled and connect, and second installation piece and fourth installation piece can be dismantled and connect.
Furthermore, the locking structure also comprises convex teeth arranged on the outer wall of the main locking ring.
Further, strut anchor rope and still include first backing plate, and first backing plate has dodges hole and ring channel, and interior steel strand wires and a plurality of outer steel strand wires all pass and dodge the hole, strut anchor rope still includes a plurality of first connecting blocks, and first connecting block slidable ground sets up in the ring channel, and a plurality of first connecting blocks set up at the circumference interval of ring channel.
Further, the first connecting block comprises a first sliding block and a ring piece which are connected with each other, the first sliding block is slidably arranged in the annular groove, the ring piece is located outside the annular groove, and the ring piece is used for being connected with an external steel cable.
Further, strut anchor rope and still include first tool to lock, and interior steel strand wires and a plurality of outer steel strand wires all pass first tool to lock, and first tool to lock and the one side butt that first backing plate deviates from locking structure, the one end locking of interior steel strand wires and a plurality of outer steel strand wires of first tool to lock.
Furthermore, the support anchor cable further comprises a blocking hoop, the blocking hoop is sleeved on the outer steel stranded wires, the inner wall of the blocking hoop is fixedly connected with the outer wall of the at least one outer steel stranded wire, and the blocking hoop is located between the locking structure and the first base plate.
According to another aspect of the invention, a fixing structure is provided, the fixing structure comprises an anchor rod, a metal net and the support anchor rope, wherein one end of the anchor rod is connected with the metal net, one end of the support anchor rope is connected with the metal net, the anchor rod and the support anchor rope are multiple, and two adjacent anchor rods and two adjacent support anchor ropes are distributed in a triangular shape.
Further, the stock includes the body of rod and establishes second backing plate and the second tool to lock on the body of rod, and the second backing plate has along body of rod circumference distribution's first arc wall and second arc wall, the one side butt of second tool to lock and second backing plate, and the second tool to lock locks the one end of the body of rod.
Further, the anchor rod further comprises a second connecting block and a third connecting block, one end of the second connecting block is slidably arranged in the first arc-shaped groove, the other end of the second connecting block is used for being connected with an external steel cable, one end of the third connecting block is slidably arranged in the second arc-shaped groove, and the other end of the third connecting block is used for being connected with the external steel cable.
Furthermore, the fixing structure also comprises a first mounting ring and a second mounting ring which are distributed on the metal net, one end of an inner steel strand in the supporting anchor cable is in sliding fit with the first mounting ring, and one end of the rod body is in sliding fit with the second mounting ring; the supporting anchor cable further comprises a first baffle plate, the first baffle plate is fixedly connected with the inner steel strand, and the first baffle plate is matched with the first mounting ring in a stopping way; the anchor rod further comprises a second baffle, the second baffle is fixedly connected with the rod body, and the second baffle is matched with the second mounting ring in a stopping mode.
The technical scheme of the invention provides a supporting anchor cable, which comprises the following components: an inner steel strand; the outer steel strands are arranged at intervals along the circumferential direction of the inner steel strand; locking structure, locking structure includes main lock ring, vice lock ring and interior lock ring, and the connection can be dismantled with the both ends of vice lock ring respectively at the both ends of main lock ring, and a plurality of outer steel strand wires pass main lock ring and vice lock ring around the cavity that forms, and main lock ring presss from both sides tight a plurality of outer steel strand wires with vice lock ring, and the one end and the main lock ring of interior lock ring are connected, and the other end of interior lock ring passes vice lock ring, and interior steel strand wires pass interior lock ring and with interior lock ring interference fit. By adopting the scheme, the inner steel strand penetrates through the inner locking ring and is in interference fit with the inner locking ring, so that the inner steel strand can be limited in the inner locking ring, and the inner locking ring and the inner steel strand are connected more stably and reliably; one end of the inner locking ring is connected with the main locking ring, and the other end of the inner locking ring penetrates through the auxiliary locking ring, so that two ends of the inner locking ring are conveniently fixed; can dismantle the connection with main lock ring and vice lock ring to press from both sides tight a plurality of outer steel strand wires through main lock ring and vice lock ring, this scheme adopts mutually independent main lock ring and vice lock ring, and through setting up interior lock ring and interior steel strand wires interference fit, compare in traditional ring tooth mode, the difficult condition that drops that appears has guaranteed the stability and the reliability of structure more.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a support cable according to a first embodiment of the present invention;
FIG. 2 shows a partial enlarged view of A in FIG. 1;
fig. 3 shows a front view of the supported cable bolt of fig. 1;
figure 4 shows a cross-sectional view of the support bolt of figure 3;
fig. 5 shows a side view of the supported cable bolt of fig. 4;
fig. 6 shows a cross-sectional view of the supported cable bolt of fig. 5;
FIG. 7 shows a partial enlarged view of B in FIG. 6;
fig. 8 is a schematic structural diagram illustrating a fixing structure provided in the second embodiment of the present invention;
FIG. 9 shows a front view of the fixation structure of FIG. 8;
fig. 10 shows a schematic view of the anchor rod of fig. 8.
Wherein the figures include the following reference numerals:
10. an inner steel strand; 20. an outer steel strand; 30. a locking structure; 31. a primary locking ring; 311. a main arc plate; 312. a first mounting block; 313. a second mounting block; 32. a secondary locking ring; 321. an auxiliary arc plate; 322. a third mounting block; 323. a fourth mounting block; 33. an inner locking ring; 331. a first connecting member; 332. a collar; 333. a second connecting member; 34. a convex tooth; 40. a first backing plate; 41. an annular groove; 42. a reinforcing block; 50. a first connection block; 51. a first slider; 52. an annular member; 60. a first lock; 70. a retaining hoop; 80. a first baffle plate; 91. an anchor rod; 911. a rod body; 912. a second backing plate; 9121. a first arc-shaped slot; 9122. a second arc-shaped slot; 913. a second lock; 914. a second connecting block; 915. a second baffle; 92. a metal mesh; 93. a first mounting ring; 94. a second mounting ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, according to a first embodiment of the present invention, there is provided a support bolt, comprising: an inner steel strand 10; the outer steel strands 20 are arranged at intervals along the circumferential direction of the inner steel strand 10; locking structure 30, locking structure 30 includes main lock ring 31, vice lock ring 32 and interior lock ring 33, the connection can be dismantled with vice lock ring 32's both ends respectively at the both ends of main lock ring 31, a plurality of outer steel strands 20 pass main lock ring 31 and vice lock ring 32 around the cavity that forms, main lock ring 31 and vice lock ring 32 press from both sides tight a plurality of outer steel strands 20, the one end and the main lock ring 31 of interior lock ring 33 are connected, the other end of interior lock ring 33 passes vice lock ring 32, interior steel strand 10 passes interior lock ring 33 and with interior lock ring 33 interference fit.
By adopting the scheme, the inner steel strand 10 passes through the inner locking ring 33 and is in interference fit with the inner locking ring 33, so that the inner steel strand 10 can be limited in the inner locking ring 33, and the inner locking ring 33 and the inner steel strand 10 are connected more stably and reliably; one end of the inner locking ring 33 is connected with the main locking ring 31, and the other end of the inner locking ring 33 passes through the auxiliary locking ring 32, so that the two ends of the inner locking ring 33 are conveniently fixed; can dismantle the connection with main lock ring 31 and vice lock ring 32 to press from both sides tight a plurality of outer steel strand wires 20 through main lock ring 31 and vice lock ring 32, this scheme adopts mutually independent main lock ring 31, vice lock ring 32, and through setting up interior lock ring 33 and interior steel strand wires 10 interference fit, compare in traditional ring tooth mode, the difficult condition that drops that appears has guaranteed the stability and the reliability of structure more.
The inner locking ring 33 comprises a first connecting piece 331, a sleeve ring 332 and a second connecting piece 333 which are connected in sequence, the first connecting piece 331 is connected with the inner wall of the main locking ring 31, the inner steel strand 10 penetrates through the sleeve ring 332 and is in interference fit with the sleeve ring 332, and the second connecting piece 333 penetrates through the auxiliary locking ring 32. By providing the first connecting member 331, it is possible to connect with the inner wall of the main lock ring 31; the lantern ring 332 is arranged, so that the inner steel strand 10 can penetrate through the lantern ring 332, and the inner steel strand 10 and the lantern ring 332 are connected more stably due to the interference fit of the inner steel strand 10 and the lantern ring 332; the second link 333 is inserted through the secondary locking ring 32 so that the secondary locking ring 32 can support the inner locking ring 33.
Specifically, the main lock ring 31 includes a main arc plate 311, and a first mounting block 312 and a second mounting block 313 which are respectively disposed at two ends of the main arc plate 311, and the auxiliary lock ring 32 includes an auxiliary arc plate 321, and a third mounting block 322 and a fourth mounting block 323 which are respectively disposed at two ends of the auxiliary arc plate 321, wherein the first mounting block 312 and the third mounting block 322 are detachably connected, and the second mounting block 313 and the fourth mounting block 323 are detachably connected. The main arc-shaped plate 311 and the auxiliary arc-shaped plate 321 are arranged and matched with the shapes of the outer steel strands 20, so that the plurality of outer steel strands 20 can be clamped conveniently; the first mounting block 312 and the third mounting block 322 are detachably connected, and the second mounting block 313 and the fourth mounting block 323 are detachably connected, so that the first mounting block and the third mounting block are convenient to mount and dismount while the structural strength is ensured.
In this embodiment, the locking structure 30 further includes a convex tooth 34 provided on the outer wall of the main locking ring 31. When installing the supporting cable, the wall is usually drilled and then the resin or other material is added, and the protruding teeth 34 are provided on the outer wall of the main lock ring 31 to crush the resin or other material.
Specifically, support the anchor rope and still include first backing plate 40, first backing plate 40 has dodge hole and ring channel 41, and interior steel strand 10 and a plurality of outer steel strand 20 all pass and dodge the hole, supports the anchor rope and still includes a plurality of first connecting blocks 50, and first connecting block 50 slidable sets up in ring channel 41, and a plurality of first connecting blocks 50 set up at the circumference interval of ring channel 41. The avoidance holes are arranged, so that the avoidance function can be performed on the inner steel strand 10 and the plurality of outer steel strands 20; the annular groove 41 is arranged, the first connecting block 50 can be slidably arranged in the annular groove 41, and the annular groove 41 can limit the first connecting block 50 in the axial direction to prevent the first connecting block 50 from falling off; the plurality of first connection blocks 50 are spaced apart in the circumferential direction of the annular groove 41, so that the connection with the external wire rope is more stable.
Optionally, the first backing plate 40 further has a reinforcing block 42, two ends of the reinforcing block 42 are respectively connected to the portions of the first backing plate 40 located at two sides of the annular groove 41, the reinforcing block 42 is plural, and the reinforcing blocks 42 are arranged at intervals. Wherein the first pad plate 40 further has a groove through which the first connection block 50 is inserted into the annular groove 41.
Wherein, the first connecting block 50 comprises a first sliding block 51 and a ring member 52 which are connected with each other, the first sliding block 51 is slidably arranged in the annular groove 41, the ring member 52 is positioned outside the annular groove 41, and the ring member 52 is used for connecting with an external cable. The first sliding block 51 is arranged and is used for limiting and matching with the annular groove 41 to prevent falling off; an annular member 52 is provided and the annular member 52 is located outside the annular groove 41 to facilitate connection to an external cable.
Alternatively, the annular groove 41 includes a first groove and a second groove that communicate with each other, the width of the first groove in the radial cross section being larger than the width of the second groove in the radial cross section; the first sliding block 51 is T-shaped, the section of the annular groove 41 is T-shaped, and the first sliding block 51 and the annular groove 41 are in limited fit in the axial direction to limit the moving range of the first sliding block 51 in the axial direction and prevent the first sliding block 51 from falling off.
Further, support the anchor rope and still include first tool to lock 60, interior steel strand 10 and a plurality of outer steel strand 20 all pass first tool to lock 60, and first tool to lock 60 and the one side butt that first backing plate 40 deviates from locking structure 30, and first tool to lock 60 the one end of interior steel strand 10 and a plurality of outer steel strand 20. One ends of the inner steel strand 10 and the plurality of outer steel strands 20 can be locked by arranging the first lock 60; the first lock 60 abuts against a side of the first shim plate 40 away from the locking structure 30, so that the first shim plate 40 can be limited in the axial direction to limit the position of the first shim plate 40.
In this embodiment, the support anchor cable further includes a retaining hoop 70, the retaining hoop 70 is sleeved on the plurality of outer steel strands 20, an inner wall of the retaining hoop 70 is fixedly connected with an outer wall of at least one of the outer steel strands 20, and the retaining hoop 70 is located between the locking structure 30 and the first pad 40. The stop collar 70 is disposed between the locking structure 30 and the first pad 40 so that the resin or the like is stopped by the stop collar 70 after the teeth 34 crush the resin or the like to prevent overflow.
Optionally, the locking structure 30 is plural, and the plural locking structures 30 are arranged at intervals.
As shown in fig. 8 to 10, a second embodiment of the present invention provides a fixing structure, where the fixing structure includes an anchor rod 91, a metal mesh 92 and the support anchor cables, where one end of the anchor rod 91 is connected to the metal mesh 92, one end of the support anchor cable is connected to the metal mesh 92, the anchor rod 91 and the support anchor cable are both multiple, and two adjacent anchor rods 91 and adjacent support anchor cables are distributed in a triangular shape. By adopting the scheme, the inner steel strand 10 passes through the inner locking ring 33 and is in interference fit with the inner locking ring 33, so that the inner steel strand 10 can be limited in the inner locking ring 33, and the inner locking ring 33 and the inner steel strand 10 are connected more stably and reliably; one end of the inner locking ring 33 is connected with the main locking ring 31, and the other end of the inner locking ring 33 passes through the auxiliary locking ring 32, so that the two ends of the inner locking ring 33 are conveniently fixed; can dismantle the connection with main lock ring 31 and vice lock ring 32 to press from both sides tight a plurality of outer steel strand wires 20 through main lock ring 31 and vice lock ring 32, this scheme adopts mutually independent main lock ring 31, vice lock ring 32, and through setting up interior lock ring 33 and interior steel strand wires 10 interference fit, compare in traditional ring tooth mode, the difficult condition that drops that appears has guaranteed the stability and the reliability of structure more. And two adjacent anchor rods 91 and adjacent support anchor cables are distributed in a triangular shape, so that the support strength is improved, the metal mesh 92 can be always in a completely unfolded state, the use amount of the anchor rods 91 and the support anchor cables can be reduced, and the soil layer is prevented from being damaged.
Wherein, stock 91 includes body of rod 911 and the second backing plate 912 and the second tool to lock 913 of establishing on body of rod 911, and second backing plate 912 has along body of rod 911 circumference distribution's first arc groove 9121 and second arc groove 9122, the one side butt of second tool to lock 913 and second backing plate 912, and second tool to lock 913 locks the one end of body of rod 911. With the one side butt of second tool to lock 913 and second backing plate 912, second tool to lock 913 locks the one end of body of rod 911, and second tool to lock 913 can play limiting displacement to second backing plate 912 in the axial like this to inject the position of second backing plate 912.
Further, the anchor rod 91 further includes a second connecting block 914 and a third connecting block, one end of the second connecting block 914 is slidably disposed in the first arc-shaped groove 9121, the other end of the second connecting block 914 is used for being connected with an external wire rope, one end of the third connecting block is slidably disposed in the second arc-shaped groove 9122, and the other end of the third connecting block is used for being connected with an external wire rope. By arranging the first arc-shaped groove 9121 and the second arc-shaped groove 9122, the second connecting block 914 and the third connecting block can be respectively limited in the axial direction, so that the second connecting block 914 and the third connecting block are prevented from falling off; a second connecting block 914 and a third connecting block are provided for connection with an external wire rope.
The fixing structure further comprises a first mounting ring 93 and a second mounting ring 94 which are distributed on the metal mesh 92, one end of an inner steel strand 10 in a supporting anchor rope is in sliding fit with the first mounting ring 93, and one end of a rod body 911 is in sliding fit with the second mounting ring 94; the support anchor cable further comprises a first baffle 80, the first baffle 80 is fixedly connected with the inner steel strand 10, and the first baffle 80 is matched with the first mounting ring 93 in a stopping way; the anchor rod 91 further comprises a second stop plate 915, the second stop plate 915 is fixedly connected with the rod body 911, and the second stop plate 915 is matched with the second mounting ring 94 in a stop mode. By adopting the connection mode, the first baffle 80 is matched with the first mounting ring 93 in a stop way, so that the support anchor cable is conveniently fixed on the metal mesh 92; the stop engagement of the second stop 915 with the second mounting ring 94 facilitates the securement of the anchor 91 to the metal mesh 92.
The scheme has the advantages that:
1. according to the invention, the main locking ring, the auxiliary locking ring and the inner locking ring are used for locking the outer steel strand, the inner locking ring is used for locking the inner steel strand, the main locking ring is not connected with the outer steel strand in a traditional spot welding mode, and the inner locking ring is in interference fit with the inner steel strand, so that the main locking ring and the inner steel strand are more stably connected, the auxiliary locking ring can be detached from the main locking ring, the main locking ring and the auxiliary locking ring are combined, the traditional ring teeth are replaced, and the structural stability is greatly improved;
2. the invention improves the supporting strength by using the triangular distribution mode of the supporting anchor cables and the anchor rods, and simultaneously can reduce the using amount of the anchor rods and the supporting anchor cables and avoid the soil layer from being damaged.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (12)
1. A support bolt, comprising:
an inner steel strand (10);
the outer steel strands (20) are arranged at intervals along the circumferential direction of the inner steel strand (10);
locking structure (30), locking structure (30) include main lock ring (31), vice lock ring (32) and interior lock ring (33), the both ends of main lock ring (31) respectively with the connection can be dismantled at the both ends of vice lock ring (32), and is a plurality of outer steel strand (20) are passed main lock ring (31) with vice lock ring (32) are around the cavity that forms, main lock ring (31) with vice lock ring (32) press from both sides tightly a plurality of outer steel strand (20), the one end of interior lock ring (33) with main lock ring (31) are connected, the other end of interior lock ring (33) is passed vice lock ring (32), interior steel strand (10) pass interior lock ring (33) and with interior lock ring (33) interference fit.
2. The support bolt of claim 1, characterized in that the inner locking ring (33) comprises a first connecting piece (331), a collar (332) and a second connecting piece (333) which are connected in sequence, the first connecting piece (331) is connected with the inner wall of the main locking ring (31), the inner steel strand (10) passes through the collar (332) and is in interference fit with the collar (332), and the second connecting piece (333) passes through the secondary locking ring (32).
3. The support anchor cable of claim 1, wherein the primary locking ring (31) comprises a primary arc plate (311) and a first mounting block (312) and a second mounting block (313) which are respectively arranged at two ends of the primary arc plate (311), the secondary locking ring (32) comprises a secondary arc plate (321) and a third mounting block (322) and a fourth mounting block (323) which are respectively arranged at two ends of the secondary arc plate (321), the first mounting block (312) and the third mounting block (322) are detachably connected, and the second mounting block (313) and the fourth mounting block (323) are detachably connected.
4. Support bolt according to claim 1, characterised in that the locking structure (30) further comprises a protruding tooth (34) provided on the outer wall of the primary locking ring (31).
5. The support anchor cable of claim 1, further comprising a first backing plate (40), wherein the first backing plate (40) has an avoiding hole and an annular groove (41), the inner strand (10) and the plurality of outer strands (20) both pass through the avoiding hole, and the support anchor cable further comprises a plurality of first connecting blocks (50), wherein the first connecting blocks (50) are slidably arranged in the annular groove (41), and the plurality of first connecting blocks (50) are circumferentially spaced at the annular groove (41).
6. Support anchorage cable according to claim 5, wherein the first connection block (50) comprises a first slide block (51) and a ring member (52) connected to each other, the first slide block (51) being slidably arranged within the annular groove (41), the ring member (52) being located outside the annular groove (41), the ring member (52) being adapted for connection to an external cable.
7. Support bolt according to claim 5, further comprising a first lock (60), wherein the inner strand (10) and the plurality of outer strands (20) each pass through the first lock (60), wherein the first lock (60) abuts against a side of the first pad (40) facing away from the locking structure (30), and wherein the first lock (60) locks one end of the inner strand (10) and one end of the plurality of outer strands (20).
8. The support bolt of claim 5, further comprising a retaining hoop (70), wherein the retaining hoop (70) is sleeved on the plurality of outer steel strands (20), the inner wall of the retaining hoop (70) is fixedly connected with the outer wall of at least one of the outer steel strands (20), and the retaining hoop (70) is located between the locking structure (30) and the first pad (40).
9. A fixation structure, characterized in that it comprises a bolt (91), a metal mesh (92) and a support cable according to any one of claims 1 to 8, wherein one end of the bolt (91) is connected to the metal mesh (92), one end of the support cable is connected to the metal mesh (92), the bolts (91) and the support cable are both in plurality, and two adjacent bolts (91) and adjacent support cables are distributed in a triangular shape.
10. The fixing structure according to claim 9, characterized in that the anchor rod (91) comprises a rod body (911) and a second backing plate (912) and a second lock (913) which are sleeved on the rod body (911), the second backing plate (912) has a first arc-shaped groove (9121) and a second arc-shaped groove (9122) which are distributed along the circumferential direction of the rod body (911), one side of the second lock (913) and the second backing plate (912) is abutted, and the second lock (913) locks one end of the rod body (911).
11. The fixation structure of claim 10, wherein the anchor rod (91) further comprises a second connecting block (914) and a third connecting block, one end of the second connecting block (914) is slidably disposed in the first arc-shaped groove (9121), the other end of the second connecting block (914) is used for connecting with an external wire rope, one end of the third connecting block is slidably disposed in the second arc-shaped groove (9122), and the other end of the third connecting block is used for connecting with an external wire rope.
12. The fixing structure of claim 10, characterized in that it further comprises a first mounting ring (93) and a second mounting ring (94) distributed on the metal mesh (92), one end of the inner strand (10) of the supporting cable being in sliding fit with the first mounting ring (93), one end of the rod body (911) being in sliding fit with the second mounting ring (94); the support anchor cable further comprises a first baffle plate (80), the first baffle plate (80) is fixedly connected with the inner steel strand (10), and the first baffle plate (80) is matched with the first mounting ring (93) in a stop way; the anchor rod (91) further comprises a second baffle plate (915), the second baffle plate (915) is fixedly connected with the rod body (911), and the second baffle plate (915) is matched with the second mounting ring (94) in a stopping mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210412249.8A CN114808695B (en) | 2022-04-19 | 2022-04-19 | Supporting anchor cable and fixing structure |
Applications Claiming Priority (1)
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