CN112160331A - Slope supporting device convenient to build for tunnel excavation and implementation method thereof - Google Patents
Slope supporting device convenient to build for tunnel excavation and implementation method thereof Download PDFInfo
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- CN112160331A CN112160331A CN202011067979.6A CN202011067979A CN112160331A CN 112160331 A CN112160331 A CN 112160331A CN 202011067979 A CN202011067979 A CN 202011067979A CN 112160331 A CN112160331 A CN 112160331A
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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
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- 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
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Abstract
The invention discloses a side slope supporting device convenient to build for tunnel excavation and an implementation method thereof. The invention provides a side slope supporting device convenient to build for tunnel excavation and an implementation method thereof.
Description
Technical Field
The invention relates to the technical field of tunnel excavation, in particular to a side slope supporting device convenient to build and used for tunnel excavation and an implementation method thereof.
Background
With the continuous development of scientific technology, the technology of excavating tunnels is also changing day by day. The invention relates to an impact rock drill, which takes compressed air as power to improve the tunnel excavation speed by 3 times, which is a milestone for converting manual hole drilling into mechanical hole drilling in tunnel excavation engineering. The american inventor first invented and used electric drill and explosive blasting techniques to excavate tunnels, so to speak, the united states was the origin of modern tunnel excavation technology in the world, since then many new excavation tools and highly effective blasting techniques were successively invented and used up to now.
The tunnel engineering construction activity is more and more intense, and a large amount of slopes are formed in the engineering construction excavation, and if the slopes are not properly treated, serious geological disasters can be generated, so that the loss of lives and properties of people is caused. As a slope support reinforcing technology, anchor rod (cable) frame beams are increasingly applied to various slope protections, and the principle is to improve the overall stability of a slope by increasing the shearing resistance of the slope.
The side slope support refers to a retaining, reinforcing and protecting measure which is taken for the side slope to ensure the safety of the side slope and the environment. The commonly used supporting structure types are: gravity retaining wall, buttress retaining wall, cantilever support, plate rib type or lattice type anchor rod retaining wall support, row pile type anchor rod retaining wall support, anchor spraying support and slope ratio method. And the most common mode of slope support is adopted when anchor rods are added with anchor nets.
And common side slope support device supporting effect is unsatisfactory, in long-time rainwater season, the long-time washing away of rainwater, and the stock drops from the soil of side slope easily to cause anchor net and domatic the droing, further cause the phenomenon of landslide to appear, cause very big potential safety hazard for people around, reduce side slope support device's practicality.
Disclosure of Invention
The invention aims to provide a side slope supporting device convenient to build for tunnel excavation and an implementation method thereof, wherein the side slope supporting device is provided with an external fixing block, a supporting anchor rod and a connecting rod, the supporting anchor rod is pricked into the side slope body, the position of the external fixing block can be fixed, the inner wall of the supporting anchor rod is provided with a limiting inserting plate, the position of a connecting column is fixed by a pushing head, a cross-shaped groove is clamped with a cross-shaped clamping block, a locking column is rotated to drive the pushing head to synchronously rotate, a movable inserting plate is pushed by a supporting spring to extend out of a movable groove, so that the contact between the supporting anchor rod and the inner wall of a fixing hole is increased, the firmness of the supporting anchor rod is enhanced after grouting, the connecting rods are crossly arranged in the external fixing block, the connecting rods are hooked through connecting hooks, the installation is convenient, the building is convenient, the, can be crooked, can adapt to the slope surface of different cambered surfaces through adjusting the cable, the protecting effect is better, and reset spring can play certain cushioning effect under to the limiting displacement who adjusts the cable, and the connecting rod is difficult for the fracture, long service life to solve the problem that proposes among the above-mentioned background art.
In order to achieve the purpose, the invention provides the following technical scheme: a side slope supporting device convenient to build for tunnel excavation comprises an external fixed block, a supporting anchor rod and a connecting rod, wherein the upper surface of the external fixed block is fixedly connected with a threaded sleeve, a locking column is meshed in the threaded sleeve, a transverse groove and a longitudinal groove which are arranged in a crossed manner are formed in the external fixed block, the connecting rod penetrates through the transverse groove and the longitudinal groove respectively, a through hole is formed in the lower surface of the external fixed block, the supporting anchor rod is connected onto the through hole, the lower end of the locking column penetrates through the through hole, a cross-shaped clamping block is connected to the lower end of the locking column, a concave surface is arranged at the middle position of the connecting rod, anti-slip threads are connected onto the inner wall of the concave surface, movable grooves are formed in the two ends of the connecting rod respectively, an adjusting stay rope is arranged in each movable groove, a hollow groove is formed in the, strut picture peg activity hole of having seted up of equidistance on the stock lateral wall, run through in the picture peg activity hole has the spacing ring, runs through on the spacing ring and has spacing picture peg, spacing picture peg includes spliced pole, connecting block and activity picture peg, fixedly connected with connecting block on the spliced pole, has connected the activity picture peg through the hinge on the lateral wall of connecting block.
Preferably, the transverse groove and the longitudinal groove penetrate through the external fixing block, the two sides of the transverse groove and the longitudinal groove are both of inclined plane structures, wedge-shaped anti-skidding blocks are symmetrically connected to the side walls of the two ends of the transverse groove and the side walls of the two ends of the longitudinal groove, the transverse groove is located above the longitudinal groove, the lower portion of the transverse groove is communicated with the upper portion of the longitudinal groove, and the length of the concave surface is larger than that of the transverse groove and that of the longitudinal groove.
Preferably, the two ends of the adjusting inhaul cable are respectively connected with a locking end sealing ring, the two ends of the locking end sealing ring are respectively sleeved with a limiting cylinder and a connecting hook, and the outside of the adjusting inhaul cable is sleeved with a reset spring.
Preferably, the one end fixedly connected with stopper of a spacing section of thick bamboo, one side of stopper and reset spring's one end fixed connection, reset spring is close to the one end of a spacing section of thick bamboo and cup joints with a spacing section of thick bamboo, and reset spring's the other end and the port fixed connection in activity groove, first mounting hole has been seted up to the other end of a spacing section of thick bamboo, and first mounting hole passes through the screw and is connected with the one end of adjusting the cable.
Preferably, the one end of couple is connected with the installation sleeve, and the installation sleeve runs through the activity groove, has seted up the second mounting hole on the installation sleeve, and the second mounting hole passes through the screw to be connected with the one end of adjusting the cable.
Preferably, a threaded hole is formed in the center of the limiting fixed block, the threaded hole is meshed with the upper end of the connecting column, a first grouting hole is formed in the limiting fixed block in the circle of the threaded hole at an equal distance, a supporting spring is connected to the lower surface of the limiting fixed block, and the lower end of the supporting spring is fixedly connected with the upper surface of the connecting block.
Preferably, the circular slot has been seted up to the upper end of spliced pole, and swing joint has the propelling movement head in the circular slot, and the cross recess has been seted up to the upper end of propelling movement head, and cross recess and cross block are connected with the external screw thread on the outer wall of propelling movement head, and the external screw thread meshes with spacing fixed block, and the lower extreme of propelling movement head is connected with the column spinner, the circular slot swing joint of column spinner and spliced pole upper end.
Preferably, a rectangular through groove is formed in the middle of the movable inserting plate, and the limiting ring penetrates through the rectangular through groove and is movably connected with the rectangular through groove.
Preferably, the lower end of the support anchor rod is fixedly connected with a spiral drill bit.
The invention aims to solve another technical problem of providing an implementation method of a slope supporting device convenient to construct for tunnel excavation, which comprises the following steps:
s1: the external fixing block is clamped and fixed through a clamping device, the external fixing block is driven to rotate through a motor, the external fixing block drives the support anchor rod to rotate, the spiral drill bit rotates into the side slope body and drives the support anchor rod to be pricked into the side slope body, fixing holes are formed in the side slope body, and the support anchor rod is nailed into the side slope body at equal intervals;
s2: the cross-shaped clamping block at the lower end of the locking column is clamped with the cross-shaped groove, the locking column is rotated to drive the pushing head to synchronously rotate, the pushing head moves downwards while rotating in the threaded hole, the pushing connecting column moves downwards in a pushing mode, and when the external threads are screwed out of the threaded hole, the supporting spring pushes the connecting block to move in the opposite direction of the pushing head;
s3: the connecting block drives the movable inserting plate to integrally move, the movable inserting plate is turned over under the limit of the limiting ring, and the movable inserting plate extends out of the inserting plate movable hole and is contacted with the inner wall of the fixed hole of the slope body;
s4: screwing the locking column out of the threaded sleeve, injecting grout into the through hole from the threaded sleeve, enabling the grout to enter the support anchor rod through the first grout injection hole, then enabling the grout to overflow from the second grout injection hole to fill the fixing hole of the slope body, and fixing the support anchor rod after the grout is solidified;
s5: inserting connecting rods into the transverse grooves and the longitudinal grooves respectively, arranging the crossed connecting rods in a concave-to-concave manner, fully inserting all the external fixed blocks with the connecting rods, and hooking adjacent connecting hooks;
s6: and screwing the locking column to fix the position of the connecting rod.
Compared with the prior art, the invention has the beneficial effects that: the invention provides a side slope supporting device convenient to build for tunnel excavation and an implementation method thereof, wherein the side slope supporting device is provided with an external fixed block, a supporting anchor rod and a connecting rod, the supporting anchor rod is pricked into the side slope body to fix the position of the external fixed block, the inner wall of the supporting anchor rod is provided with a limiting inserting plate, the position of a connecting column is fixed by a pushing head, a cross-shaped groove is clamped with a cross-shaped clamping block, a locking column is rotated to drive the pushing head to synchronously rotate, a movable inserting plate is pushed by a supporting spring to extend out of a movable groove, so that the contact between the supporting anchor rod and the inner wall of a fixed hole is increased, the firmness of the supporting anchor rod is enhanced after grouting, the connecting rods are crossly arranged in the external fixed block, the connecting rods are hooked by connecting hooks, the installation and the building are convenient, the connecting rods form a, can be crooked, can adapt to the slope surface of different cambered surfaces through adjusting the cable, the protecting effect is better, and reset spring can play certain cushioning effect under to the limiting displacement who adjusts the cable, and the connecting rod is difficult for splitting long service life.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is an exploded view of the outer mounting block of the present invention;
FIG. 3 is another view angle structure of the external fixing block of the present invention;
FIG. 4 is a structural view of a connecting rod of the present invention;
FIG. 5 is a view of the adjusting cable installation structure of the present invention;
FIG. 6 is an exploded view of the adjustment cable of the present invention;
figure 7 is a view of the construction of the support bolt of the present invention;
fig. 8 is a view showing the internal structure of the support anchor of the present invention;
FIG. 9 is a view of the working condition of the support bolt of the present invention;
FIG. 10 is a block diagram of the retaining insert of the present invention;
FIG. 11 is a view of the construction of the pushing head of the present invention;
fig. 12 is an installation structure view of the present invention.
In the figure: 1. an external fixing block; 11. a threaded sleeve; 12. a locking post; 121. a cross-shaped clamping block; 13. a transverse slot; 131. a wedge-shaped anti-skid block; 14. a longitudinal slot; 15. a through hole; 2. supporting an anchor rod; 21. a hollow groove; 22. a second grouting hole; 23. a limit fixing block; 231. a threaded hole; 232. a first grouting hole; 233. a support spring; 24. inserting plate movable holes; 25. a limiting ring; 26. a helical drill bit; 3. a connecting rod; 31. a concave surface; 311. anti-skid lines; 32. a movable groove; 33. adjusting the inhaul cable; 331. locking the end sealing ring; 34. a limiting cylinder; 341. a limiting block; 342. a screw; 343. a first mounting hole; 35. connecting a hook; 351. installing a sleeve; 352. a second mounting hole; 36. a return spring; 4. a limiting inserting plate; 41. connecting columns; 411. a pushing head; 4111. a cross-shaped groove; 4112. an external thread; 4113. a spin column; 42. connecting blocks; 43. a movable plug board; 431. a rectangular through groove.
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. 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.
Referring to fig. 1-3, a side slope support device for tunnel excavation is convenient to construct, which comprises an external fixing block 1, a support anchor rod 2 and a connecting rod 3, wherein a threaded sleeve 11 is fixedly connected to the upper surface of the external fixing block 1, a locking column 12 is engaged in the threaded sleeve 11, transverse grooves 13 and longitudinal grooves 14 are formed in the external fixing block 1 in a crossed manner, the transverse grooves 13 and the longitudinal grooves 14 penetrate through the external fixing block 1, both sides of the transverse grooves 13 and the longitudinal grooves 14 are of an inclined plane structure, the connecting rod 3 is convenient to insert, wedge-shaped anti-skidding blocks 131 are symmetrically connected to the side walls at both ends of the transverse grooves 13 and the longitudinal grooves 14, the wedge-shaped anti-skidding blocks 131 are abutted against the side walls of the connecting rod 3 to prevent the connecting rod 3 from sliding, the transverse grooves 13 are positioned above the longitudinal grooves 14, the lower positions of the transverse grooves 13 are communicated with the upper positions of the longitudinal grooves 14, and when the connecting, two connecting rods 3 are the criss-cross counterbalance, the length of concave surface 31 is greater than the length of transverse groove 13 and longitudinal groove 14, can adjust the cross position of connecting rod 3, transverse groove 13 and longitudinal groove 14 are interior to run through respectively connecting rod 3, through-hole 15 has been seted up to the lower surface of outside fixed block 1, through-hole 15 and transverse groove 13 and longitudinal groove 14 intercommunication, be connected with on the through-hole 15 and strut stock 2, the lower extreme of locking post 12 runs through-hole 15, the lower extreme of locking post 12 is connected with cross block 121, rotatory locking post 12, can remove the upper and lower position of locking post 12.
Referring to fig. 4-6, a concave surface 31 is disposed at the middle position of the connecting rod 3, anti-slip patterns 311 are connected to the inner wall of the concave surface 31, two ends of the connecting rod 3 are respectively provided with a movable groove 32, an adjusting cable 33 is disposed in the movable groove 32, two ends of the adjusting cable 33 are respectively connected with a locking end ring 331, the locking end ring 331 is used for fixing two ends of the adjusting cable 33 to prevent the two ends of the adjusting cable 33 from scattering, and at the same time, the adjusting cable 33 is conveniently sleeved with a limiting cylinder 34 and a connecting hook 35 respectively, two ends of the locking end ring 331 are sleeved with a limiting cylinder 34 and a connecting hook 35 respectively, a return spring 36 is sleeved outside the adjusting cable 33, the limiting cylinder 34 is disposed in the movable groove 32, one end of the limiting cylinder 34 is fixedly connected with a limiting block 341, one side of the limiting block is fixedly connected with one end of the return spring 36, one end of, the other end of the reset spring 36 is fixedly connected with the port of the movable groove 32, under the action of the reset spring 36, the adjusting cable 33 is arranged in the movable groove 32 when not stressed, when the connecting hook 35 is stressed, the adjusting cable 33 is driven to move out of the movable groove 32, the reset spring 36 plays a limiting role, the adjusting cable 33 has certain toughness and can be bent, the flatness of the surface of a side slope cannot be guaranteed, the adjusting cable 33 can adapt to the surface of the side slope with different arc surfaces, the protection effect is better, the other end of the limiting cylinder 34 is provided with a first mounting hole 343, the first mounting hole 343 is connected with one end of the adjusting cable 33 through a screw 342, one end of the connecting hook 35 is connected with a mounting sleeve 351, the mounting sleeve 351 penetrates through the movable groove 32, a second mounting hole 352 is formed in the mounting sleeve 351, the second mounting hole 352 is connected with one end of the adjusting cable 33 through a screw 342, and the connecting hooks 35 are in a hooked, used for fixing the adjacent external fixing blocks 1 and is convenient to install by connecting the hooks 35.
Referring to fig. 7-9, a hollow groove 21 is formed inside the support anchor rod 2, the upper end of the hollow groove 21 is connected with a limit fixing block 23, a threaded hole 231 is formed in the center of the limit fixing block 23, the threaded hole 231 is engaged with the upper end of the connecting column 41, when the limit fixing block 23 is engaged with the pushing head 411, the connecting column 41 integrally leans against the upper end of the support anchor rod 2, the support spring 233 contracts, a first grouting hole 232 is formed in the limit fixing block 23 around the threaded hole 231 at equal distance, so that grout can rapidly enter the support anchor rod 2, the lower surface of the limit fixing block 23 is connected with the support spring 233, the lower end of the support spring 233 is fixedly connected with the upper surface of the connecting block 42, a second grouting hole 22 is formed in the outer wall of the support anchor rod 2, a board moving hole 24 is formed in the side wall of the support anchor rod 2 at equal, the limiting inserting plate 4 penetrates through the limiting ring 25, the lower end of the supporting anchor rod 2 is fixedly connected with a spiral drill bit 26, when the supporting anchor rod 2 is installed, the supporting anchor rod 2 can be driven to rotate integrally by a motor, and the supporting anchor rod 2 is pushed into a side slope by the spiral drill bit 26.
Referring to fig. 10-12, the limiting insertion plate 4 includes a connection post 41, a connection block 42 and a movable insertion plate 43, the connection post 41 is fixedly connected with the connection block 42, the side wall of the connection block 42 is hinged with the movable insertion plate 43 through a hinge, the upper end of the connection post 41 is provided with a circular groove, the circular groove is movably connected with a pushing head 411, the upper end of the pushing head 411 is provided with a cross groove 4111, the cross groove 4111 is clamped with the cross clamping block 121, the locking post 12 is rotated to drive the pushing head 411 to rotate synchronously, the pushing head 411 pushes the connection post 41 downwards, the outer wall of the pushing head 411 is connected with an external thread 4112, the external thread 4112 is engaged with the limiting fixing block 23, the lower end of the pushing head 411 is connected with a rotation post 4113, the rotation post 4113 is movably connected with the circular groove of the connection post 41, the middle of the upper end of the, and is movably connected with the rectangular through groove 431, the position of the movable inserting plate 43 is limited by the limiting ring 25, and the movable inserting plate 43 can extend into and extend out of the inserting plate movable hole 24 under the limitation of the limiting ring 25.
In order to better show the implementation process of the slope support device convenient to construct for tunnel excavation, the embodiment provides an implementation method of the slope support device convenient to construct for tunnel excavation, which includes the following steps:
the method comprises the following steps: the external fixing block 1 is clamped and fixed through a clamping device, the external fixing block 1 is driven to rotate through a motor, the external fixing block 1 drives the support anchor rod 2 to rotate, the spiral drill bit 26 rotates into the side slope body and drives the support anchor rod 2 to be pricked into the side slope body, fixing holes are formed in the side slope body, the support anchor rod 2 is nailed into the side slope body at equal intervals, and the distance between the support anchor rods 2 is matched with the length of the connecting rod 3;
step two: the cross-shaped clamping block 121 at the lower end of the locking column 12 is clamped with the cross-shaped groove 4111, the locking column 12 is rotated to drive the pushing head 411 to rotate synchronously, the pushing head 411 moves downwards while rotating in the threaded hole 231, the pushing connecting column 41 moves downwards, and when the external thread 4112 is screwed out of the threaded hole 231, the supporting spring 233 moves towards the direction opposite to the pushing head 411 under the action of the elastic force of the supporting spring 233;
step three: the connecting block 42 drives the movable inserting plate 43 to integrally move, the movable inserting plate 43 is turned over under the limit of the limiting ring 25, and the movable inserting plate 43 extends out of the inserting plate movable hole 24 and is in contact with the inner wall of the fixed hole of the slope body, so that the contact between the supporting anchor rod 2 and the inner wall of the fixed hole is increased;
step four: screwing the locking column 12 out of the threaded sleeve 11, grouting into the through hole 15 from the threaded sleeve 11, allowing grout to enter the support anchor rod 2 through the first grouting hole 232, overflowing from the second grouting hole 22, filling the fixing hole of the slope body, and fixing the support anchor rod 2 after the grout is solidified;
step five: the connecting rods 3 are respectively inserted into the transverse grooves 13 and the longitudinal grooves 14, the crossed connecting rods 3 are arranged by the concave surfaces 31 to the concave surfaces 31, so that slipping can be prevented, the height of the connecting rods 3 during crossing is reduced, after all the external fixing blocks 1 are fully inserted with the connecting rods 3, the adjacent connecting hooks 35 are hooked, the mounting positions of the connecting rods 3 can be adjusted according to the specific slope condition of the side slope, and the connecting rods 3 are uniformly stressed;
step six: screw up locking post 12, fixed link 3's position, connecting rod 3 constitute the protection netted, can play good guard action, and under reset spring 36's the effect simultaneously, can play certain cushioning effect, adjust cable 33 and have certain toughness, can bend, can adapt to the side slope surface of different cambered surfaces through adjusting cable 33, and the protecting effect is better.
In summary, the following steps: the side slope supporting device convenient to build for tunnel excavation and the implementation method thereof are provided with an external fixed block 1, a supporting anchor rod 2 and a connecting rod 3, wherein the supporting anchor rod 2 is pricked into the side slope body to fix the position of the external fixed block 1, the inner wall of the supporting anchor rod 2 is provided with a limiting inserting plate 4, the position of a connecting column 41 is fixed by a pushing head 411, a cross-shaped groove 4111 is clamped with a cross-shaped clamping block 121, a locking column 12 is rotated to drive the pushing head 411 to rotate synchronously, a movable inserting plate 43 is pushed by a supporting spring 233 to extend out of a movable groove 32, so that the contact between the supporting anchor rod 2 and the inner wall of a fixed hole is increased, after grouting, the firmness of the supporting anchor rod 2 is enhanced, in addition, the connecting rod 3 is arranged in the external fixed block 1 in a crossed manner, the connecting rods 3 are hooked through a connecting hook 35, the installation is convenient, adjust cable 33 and have certain toughness, can bend, can adapt to the slope surface of different cambered surfaces through adjusting cable 33, the protecting effect is better, and reset spring 36 can play certain cushioning effect under adjusting cable 33's limiting displacement, connecting rod 3 is difficult for splitting long service life.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a tunnel excavation is with side slope support device of being convenient for to build, includes outside fixed block (1), supports stock (2) and connecting rod (3), its characterized in that: the upper surface of the external fixed block (1) is fixedly connected with a threaded sleeve (11), a locking column (12) is engaged in the threaded sleeve (11), a transverse groove (13) and a longitudinal groove (14) which are arranged in a crossed manner are formed in the external fixed block (1), a connecting rod (3) is respectively penetrated in the transverse groove (13) and the longitudinal groove (14), a through hole (15) is formed in the lower surface of the external fixed block (1), a supporting anchor rod (2) is connected to the through hole (15), the lower end of the locking column (12) penetrates through the through hole (15), a cross-shaped clamping block (121) is connected to the lower end of the locking column (12), a concave surface (31) is arranged at the middle position of the connecting rod (3), anti-skid grains (311) are connected to the inner wall of the concave surface (31), movable grooves (32) are respectively formed at the two ends of the connecting rod (, support the inside of stock (2) and seted up hollow groove (21), the upper end of hollow groove (21) is connected with spacing fixed block (23), has seted up second slip casting hole (22) on supporting stock (2) outer wall, supports equidistant picture peg movable hole (24) of having seted up of stock (2) lateral wall, runs through spacing ring (25) in picture peg movable hole (24), has run through spacing picture peg (4) on spacing ring (25), spacing picture peg (4) are including spliced pole (41), connecting block (42) and activity picture peg (43), fixedly connected with connecting block (42) on spliced pole (41), have activity picture peg (43) through the hinge connection on the lateral wall of connecting block (42).
2. A slope supporting device for tunnel excavation convenient to build as claimed in claim 1, characterized in that: horizontal groove (13) and vertical groove (14) all run through outside fixed block (1), and the both sides of horizontal groove (13) and vertical groove (14) are the inclined plane structure, and symmetrical connection has wedge antiskid ribbed tile (131) on the lateral wall at horizontal groove (13) and vertical groove (14) both ends, and horizontal groove (13) are located the top of vertical groove (14), and the lower part position of horizontal groove (13) and the upper portion position intercommunication of vertical groove (14), and the length of concave surface (31) is greater than the length of horizontal groove (13) and vertical groove (14).
3. A slope supporting device for tunnel excavation convenient to build as claimed in claim 1, characterized in that: the two ends of the adjusting inhaul cable (33) are respectively connected with a locking end ring (331), the two ends of the locking end ring (331) are respectively sleeved with a limiting barrel (34) and a connecting hook (35), and the outside of the adjusting inhaul cable (33) is sleeved with a return spring (36).
4. A slope supporting device for tunnel excavation convenient to build as claimed in claim 3, characterized in that: the one end fixedly connected with stopper (341) of a spacing section of thick bamboo (34), one side of stopper (341) and the one end fixed connection of reset spring (36), reset spring (36) are close to the one end of a spacing section of thick bamboo (34) and are cup jointed with a spacing section of thick bamboo (34), the other end of reset spring (36) and the port fixed connection of activity groove (32), first mounting hole (343) have been seted up to the other end of a spacing section of thick bamboo (34), first mounting hole (343) are connected with the one end of adjusting cable (33) through screw (342).
5. A slope supporting device for tunnel excavation convenient to build as claimed in claim 3, characterized in that: one end of the connecting hook (35) is connected with a mounting sleeve (351), the mounting sleeve (351) penetrates through the movable groove (32), a second mounting hole (352) is formed in the mounting sleeve (351), and the second mounting hole (352) is connected with one end of the adjusting inhaul cable (33) through a screw (342).
6. A slope supporting device for tunnel excavation convenient to build as claimed in claim 1, characterized in that: threaded hole (231) are seted up at the center of spacing fixed block (23), and threaded hole (231) and the upper end meshing of spliced pole (41), first slip casting hole (232) of equidistant seting up of spacing fixed block (23) of threaded hole (231) a week, and the lower surface of spacing fixed block (23) is connected with supporting spring (233), and the lower extreme of supporting spring (233) is connected with the last fixed surface of connecting block (42).
7. A slope supporting device for tunnel excavation convenient to build as claimed in claim 1, characterized in that: the circular slot has been seted up to the upper end of spliced pole (41), swing joint has propelling movement head (411) in the circular slot, cross recess (4111) have been seted up to the upper end of propelling movement head (411), cross recess (4111) and cross joint piece (121) block, be connected with external screw thread (4112) on the outer wall of propelling movement head (411), external screw thread (4112) and spacing fixed block (23) meshing, the lower extreme of propelling movement head (411) is connected with column spinner (4113), column spinner (4113) and the circular slot swing joint of spliced pole (41) upper end.
8. A slope supporting device for tunnel excavation convenient to build as claimed in claim 1, characterized in that: a rectangular through groove (431) is formed in the middle of the movable inserting plate (43), and the limiting ring (25) penetrates through the rectangular through groove (431) and is movably connected with the rectangular through groove (431).
9. A slope supporting device for tunnel excavation convenient to build as claimed in claim 1, characterized in that: the lower end of the support anchor rod (2) is fixedly connected with a spiral drill bit (26).
10. A method of implementing a readily erectable slope support device for tunnel excavation as claimed in any one of claims 1 to 9, comprising the steps of:
s1: the external fixing block (1) is clamped and fixed through a clamping device, the external fixing block (1) is driven to rotate through a motor, the external fixing block (1) drives the support anchor rod (2) to rotate, the spiral drill bit (26) rotates into the side slope body and drives the support anchor rod (2) to be pricked into the side slope body, fixing holes are formed in the side slope body, and the support anchor rod (2) is nailed into the side slope body at equal intervals;
s2: a cross-shaped clamping block (121) at the lower end of the locking column (12) is clamped with the cross-shaped groove (4111), the locking column (12) is rotated to drive the pushing head (411) to rotate synchronously, the pushing head (411) moves downwards while rotating in the threaded hole (231), the pushing connecting column (41) moves downwards, and when the external thread (4112) is screwed out of the threaded hole (231), the supporting spring (233) pushes the connecting block (42) to move towards the opposite direction of the pushing head (411);
s3: the connecting block (42) drives the movable inserting plate (43) to integrally move, the movable inserting plate (43) is turned over under the limitation of the limiting ring (25), and the movable inserting plate (43) extends out of the inserting plate movable hole (24) and is in contact with the inner wall of the fixed hole of the slope body;
s4: screwing the locking column (12) out of the threaded sleeve (11), grouting into the through hole (15) from the threaded sleeve (11), enabling slurry to enter the support anchor rod (2) through the first grouting hole (232), overflowing from the second grouting hole (22), filling the fixing hole of the slope body, and fixing the support anchor rod (2) after the slurry is solidified;
s5: the connecting rods (3) are respectively inserted into the transverse grooves (13) and the longitudinal grooves (14), the crossed connecting rods (3) are arranged opposite to the concave surfaces (31) by adopting the concave surfaces (31), and after all the external fixing blocks (1) are fully inserted with the connecting rods (3), adjacent connecting hooks (35) are hooked;
s6: and tightening the locking column (12) to fix the position of the connecting rod (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011067979.6A CN112160331A (en) | 2020-10-08 | 2020-10-08 | Slope supporting device convenient to build for tunnel excavation and implementation method thereof |
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| CN202011067979.6A CN112160331A (en) | 2020-10-08 | 2020-10-08 | Slope supporting device convenient to build for tunnel excavation and implementation method thereof |
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| CN112160331A true CN112160331A (en) | 2021-01-01 |
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| CN113356242A (en) * | 2021-06-25 | 2021-09-07 | 江西省交通科学研究院有限公司 | Slope supporting device and slope supporting method |
| CN114521434A (en) * | 2022-02-25 | 2022-05-24 | 内蒙古和润环境工程有限公司 | Component for fixing steep slope rock face planting substrate |
| CN114737578A (en) * | 2022-04-19 | 2022-07-12 | 河南山河水利建筑工程有限公司 | Bank protection engineering structure |
| CN115354671A (en) * | 2022-07-28 | 2022-11-18 | 四川省公路规划勘察设计研究院有限公司 | A anchor structure for in situ reinforcement dangerous rock |
| CN116267315A (en) * | 2023-04-26 | 2023-06-23 | 河南省山水地质旅游资源开发有限公司 | A green prosthetic devices that plants for mine side slope |
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