CN111520165A - Tunnel construction is with spraying concrete device with reduce rebound rate - Google Patents
Tunnel construction is with spraying concrete device with reduce rebound rate Download PDFInfo
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- CN111520165A CN111520165A CN202010387202.1A CN202010387202A CN111520165A CN 111520165 A CN111520165 A CN 111520165A CN 202010387202 A CN202010387202 A CN 202010387202A CN 111520165 A CN111520165 A CN 111520165A
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- sputtering
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/10—Lining with building materials with concrete cast in situ; Shuttering also lost shutterings, e.g. made of blocks, of metal plates or other equipment adapted therefor
Abstract
The invention relates to a concrete spraying device with a function of reducing resilience rate for tunnel construction, which comprises an arc-shaped pipe, a first anti-sputtering plate, a second anti-sputtering plate, a third anti-sputtering plate, a movable plug-in unit, a plug-in groove, a plug-in rod, a fixed adsorption mechanism, a first magnet, a first gasket, a second magnet, a moving groove, a moving plate, a moving rod, a moving through hole and a buffer component, wherein the arc-shaped pipe is provided with a plurality of arc-shaped grooves; according to the invention, the arc-shaped pipe and the powerful electromagnet are additionally arranged, and a closed cavity is formed through the synergistic effect of the arc-shaped pipe and the powerful electromagnet, so that during specific construction, a relatively closed environment is created for the sprayed concrete mixture, the sprayed resilience material is automatically collected in the closed environment, and the concrete mixture is sprayed and molded in the closed environment, so that the resilience rate of the backfilled sprayed concrete can be effectively reduced.
Description
Technical Field
The invention relates to the technical field of tunnel construction equipment, in particular to a concrete spraying device for tunnel construction, which can reduce the rebound rate.
Background
The tunnel engineering belongs to common engineering projects in various foundation constructions, and under unfavorable geological conditions, a combined supporting mode of a steel arch frame, a steel bar net piece, an anchor rod and sprayed concrete is a common supporting mode and is widely applied to various tunnel engineering.
A spray concrete as a supporting technology for tunnel construction features that compressed air is used as power, the concrete mixture mixed with accelerating agent and water are mixed to become slurry, which is sprayed onto the wall of rock and quickly coagulated to obtain fine-stone concrete, which has the functions of supporting surrounding rock, filling and reinforcing surrounding rock, covering surrounding rock, preventing the surrounding rock from loosening and distributing external force. In on-the-spot actual construction, when compressed air spouts the mixture of concrete mix and water to the country rock with certain distance and angle with certain speed, some mixture meets the country rock and takes place to kick-back, and the concrete mix scatters in the tunnel, not only causes the waste, and need spend more manpower clearance, has aggravated the construction cost increase of spraying the concrete.
In order to solve the above problems, the present invention provides a concrete injection apparatus for tunnel construction having a reduced rebound resilience.
Disclosure of Invention
(1) Technical problem to be solved
The invention aims to overcome the defects in the prior art, adapt to practical requirements and provide a concrete spraying device for tunnel construction, which has a reduced rebound rate, so as to solve the problems in the background art.
(2) Technical scheme
In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:
the utility model provides a tunnel construction is with spraying concrete device with reduce rebound rate, plays the main part supporting role by the steel bow member, including setting up prevent sputter mechanism on the steel bow member, and prevent still being provided with four powerful electromagnetic irons in the sputter mechanism, prevent that sputter mechanism includes:
the arc-shaped pipe is movably arranged on the steel arch frame;
the first anti-sputtering plates are arranged on the upper end surface of the arc-shaped pipe, the number of the first anti-sputtering plates is two, and the two first anti-sputtering plates are symmetrically arranged around the arc-shaped pipe;
the second anti-sputtering plate is arranged on the upper end surface of the arc-shaped pipe and is arranged between the first anti-sputtering plates;
the third anti-sputtering plate is detachably arranged on the upper end surface of the arc-shaped pipe, the third anti-sputtering plate is arranged between the first anti-sputtering plates, and the third anti-sputtering plate and the second anti-sputtering plates are symmetrically arranged around the arc-shaped pipe;
the movable plug-in is arranged on the arc-shaped pipe and the third anti-sputtering plate and used for locking the third anti-sputtering plate;
the moving groove is formed in the first sputtering-proof plate and communicated with the pipe diameter of the arc-shaped pipe;
the moving plate is movably arranged in the moving groove;
the moving through hole is formed in the first sputtering prevention plate and is communicated with the moving groove;
the movable rod is movably arranged in the movable through hole, one end of the movable rod is fixedly connected to the side wall of the movable plate, the other end of the movable rod is movably inserted into the buffer assembly, and the buffer assembly is fixedly connected to the side wall of the first anti-sputtering plate through a plurality of fixing rods.
Furthermore, the movable plug-in comprises an insertion groove and an insertion rod, the insertion groove is formed in the arc-shaped pipe, the insertion rod is connected to the side wall of the third sputtering-proof plate, and the insertion rod is movably plugged in the insertion groove.
Furthermore, the insertion rod is made of rubber.
Further, the symmetry is provided with two fixed adsorption mechanisms on arc pipe and the third splash guard, fixed adsorption mechanism includes a magnet and No. two magnets, a magnet is fixed to be set up on the lateral wall of arc pipe, No. two magnets are fixed to be set up on the lateral wall of third splash guard, a magnet and No. two magnets contradict the setting each other.
Furthermore, a first gasket and a second gasket are arranged between the first magnet and the second magnet, the first gasket is fixedly arranged on the first magnet, and the second gasket is fixedly arranged on the second magnet.
Further, the number of the buffer assemblies is at least three, and the three buffer assemblies are arranged at equal intervals relative to the arc-shaped pipe.
Further, the buffering component comprises a fixed cylinder and a fixed cylinder cover, the fixed cylinder and the fixed cylinder cover are connected through threads, the inner side wall of the fixed cylinder cover is connected with a bearing groove, a sealing plate is movably arranged in the bearing groove, one end of a plurality of reset supporting springs is connected to the inner side wall of the bearing groove, the number of the reset supporting springs is at least three, the other end of each reset supporting spring is fixedly connected to the side wall of the sealing plate, a thread groove is formed in the sealing plate, a threaded rod is arranged in the thread groove, and one end, located outside the thread groove, of the threaded rod is connected to the moving rod.
Further, the sealing plate is sleeved with a sealing rubber ring, and the sealing rubber ring is abutted to one side, close to the bearing groove, of the sealing plate.
Furthermore, the side wall of the sealing plate is connected with a plurality of side bearing plates, the side wall of each side bearing plate is connected with one end of a supporting mechanism, and the other end of each supporting mechanism is fixedly connected to the side wall of each supporting groove.
Further, the supporting mechanism comprises a supporting cylinder and a supporting moving rod, the supporting moving rod is movably inserted into the supporting cylinder, one end, located in the supporting cylinder, of the supporting moving rod is connected with a piston, the piston is movably arranged in the supporting cylinder, the supporting moving rod is wound and connected with a supporting spring, two ends of the supporting spring are respectively connected to the side wall of the supporting moving rod and the side wall of the supporting cylinder, the side wall of the supporting moving rod is connected with a plurality of positioning guide sliding blocks, the positioning guide sliding blocks are arranged in positioning guide grooves in a sliding mode, and the positioning guide grooves are formed in the inner side wall of the supporting cylinder.
(3) Has the advantages that:
1. according to the invention, the arc-shaped pipe and the powerful electromagnet are additionally arranged, and a closed cavity is formed through the synergistic effect of the arc-shaped pipe and the powerful electromagnet, so that during specific construction, a relatively closed environment is created for the sprayed concrete mixture, the sprayed resilience material is automatically collected in the closed environment, and the concrete mixture is sprayed and molded in the closed environment, so that the resilience rate of the backfilled sprayed concrete can be effectively reduced.
2. According to the invention, the combined structure of the first anti-sputtering plate, the second anti-sputtering plate and the third anti-sputtering plate is additionally arranged, and a forming cavity is directly built through the combined structure, so that the mixture is directly sprayed into the forming cavity when the concrete is sprayed with the mixture, the mixture can be prevented from being sprayed, and the rebound rate of backfilled sprayed concrete is further reduced.
3. The movable plug-in is additionally arranged on the arc-shaped pipe and the third anti-sputtering plate, so that the third anti-sputtering plate is used for simply fixing the third anti-sputtering plate on the arc-shaped pipe under the action of no external force, and meanwhile, the movable plug-in is simple in structure, so that the arc-shaped pipe can be effectively separated from the third anti-sputtering plate when the external force is applied, specifically, after the mixture is solidified, the third anti-sputtering plate can be resisted and touched, and when the arc-shaped pipe moves to the next station, the arc-shaped pipe is separated from the third anti-sputtering plate, the third anti-sputtering plate is separated, so that the continuous work of subsequent sprayed concrete can be ensured.
4. According to the invention, the combined structure of the moving groove, the moving plate, the moving rod, the moving through hole and the buffer assembly is additionally arranged, so that the effect of reducing the backfill rate can be achieved by buffering the impact force, meanwhile, the mixture can be tamped by the vibration effect, the surface of the formed fixed layer is smooth, and the potential safety hazard caused by the falling of excess materials is avoided.
Drawings
FIG. 1 is a schematic structural view of a concrete injection apparatus for tunnel construction according to the present invention, which has a reduced rebound resilience;
FIG. 2 is a schematic perspective view of an anti-sputtering mechanism in the concrete injection device for tunnel construction according to the present invention with a reduced rebound resilience;
FIG. 3 is a schematic view of a front view cutting structure of a buffering assembly in the concrete injection device for tunnel construction according to the present invention, which has a reduced rebound resilience;
FIG. 4 is a schematic view of an elevation cutting structure of a support mechanism in the concrete injection device for tunnel construction according to the present invention, which has a reduced rebound resilience;
FIG. 5 is a schematic perspective view of a splash-proof mechanism of the concrete injection apparatus for tunnel construction according to the present invention, which has a reduced rebound resilience.
The reference numbers are as follows:
the device comprises a steel arch frame 1, a sputtering prevention mechanism 2, an arc-shaped pipe 21, a first sputtering prevention plate 22, a second sputtering prevention plate 23, a third sputtering prevention plate 24, a movable plug-in component 25, a plug-in groove 251, a plug-in rod 252, a fixed adsorption mechanism 26, a first magnet 261, a first gasket 262, a second gasket 263, a second magnet 264, a moving groove 27, a moving plate 28, a moving rod 29, a moving through hole 210, a buffer component 211, a fixed cylinder 2111, a fixed cylinder cover 2112, a threaded rod 2113, a threaded groove 2114, a sealing plate 2115, a supporting groove 2116, a sealing rubber ring 2117, a reset supporting spring 2118, a supporting mechanism 2119, a supporting cylinder 21191, a supporting moving rod 21192, a supporting spring 21193, a positioning guide groove 94, a positioning guide slider 21195, a piston 21196, a side bearing plate 21110, a fixed rod 212, a powerful electromagnet 3, a slurry moving direction 100 and a sputtering prevention mechanism moving direction 200.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 5 and examples:
the utility model provides a tunnel construction is with spraying concrete device with reduce rebound rate, plays the main part supporting role by steel bow member 1, including setting up the anti-sputtering mechanism 2 on steel bow member 1, the direction of motion of anti-sputtering mechanism 2 is along thick liquids anti-sputtering mechanism moving direction 200, and the filler direction of mixture is along thick liquids moving direction 100, and still is provided with four powerful electromagnetic 3 in the anti-sputtering mechanism 2, and anti-sputtering mechanism 2 includes: the arc-shaped pipe 21 is movably arranged on the steel arch frame 1, and particularly, when the steel arch frame works, a sealed cavity formed by the arc-shaped pipe 21 and the powerful electromagnet 3 can play a role in preventing mixture from being backfilled in the early stage; the first anti-sputtering plates 22 are arranged on the upper end face of the arc-shaped pipe 21, two first anti-sputtering plates 22 are arranged, and the two first anti-sputtering plates 22 are symmetrically arranged around the arc-shaped pipe 21; the second anti-sputtering plate 23 is arranged on the upper end surface of the arc-shaped tube 21, and the second anti-sputtering plate 23 is arranged between the two first anti-sputtering plates 22; the third anti-sputtering plate 24 is detachably arranged on the upper end surface of the arc-shaped pipe 21, the third anti-sputtering plate 24 is arranged between the two first anti-sputtering plates 22, and the third anti-sputtering plate 24 and the second anti-sputtering plate 23 are symmetrically arranged around the arc-shaped pipe 21; the two first anti-sputtering plates 22, the second anti-sputtering plate 23 and the third anti-sputtering plate 24 are combined into a molding cavity, and the arrangement of the molding cavity can play a role in further reducing mixture backfilling.
The movable plug-in 25 is arranged on the arc-shaped pipe 21 and the third anti-sputtering plate 24 and used for locking the third anti-sputtering plate 24, the movable plug-in 25 is additionally arranged on the arc-shaped pipe 21 and the third anti-sputtering plate 24, the movable plug-in 25 comprises a plug-in groove 251 and a plug-in rod 252, the plug-in groove 251 is formed in the arc-shaped pipe 21, the plug-in rod 252 is connected to the side wall of the third anti-sputtering plate 24, the plug-in rod 252 is movably plugged in the plug-in groove 251, the movable plug-in 25 is arranged to ensure that the third anti-sputtering plate 24 is used for simply fixing the third anti-sputtering plate 24 on the arc-shaped pipe 21 under the condition of no external force, meanwhile, the movable plug-in 25 is simple in structure, so that when external force is received, the arc-shaped pipe 21 and the third anti-sputtering plate 24 can be effectively separated, specifically, after the mixture is solidified, the third anti-sputtering plate 24 can be resisted, and when the arc, the arc-shaped pipe 21 is separated from the third anti-sputtering plate 24, the separation of the third anti-sputtering plate 24 can ensure the continuous work of the subsequent concrete injection, and the subsequent mixture injection is a continuous process, so the mixture sputtering can not be ensured due to the blocking of the preceding fixed material.
The moving groove 27 is formed in the first sputtering-proof plate 22, and the moving groove 27 is communicated with the pipe diameter of the arc-shaped pipe 21; a moving plate 28 movably disposed in the moving groove 27; the movable through hole 210 is formed in the first sputtering prevention plate 22, and the movable through hole 210 is communicated with the movable groove 27; the movable rod 29, the activity sets up on the lateral wall of the one end fixed connection movable plate 28 of movable rod 29 in the movable through-hole 210, and the other end activity plug-in components of movable rod 29 are on buffering subassembly 211, buffering subassembly 211 is through a plurality of dead lever 212 fixed connection on the lateral wall of splash shield 22 No. one, shifting chute 27, movable plate 28, movable rod 29, the add of movable through-hole 210 and buffering subassembly 211 integrated configuration, both can reach the effect that reduces the backfill rate through buffering impact, and simultaneously, can reach the tamped mixture through the vibration effect again, and make the smooth effect in fashioned fixed bed surface, avoid the clout to drop, the potential safety hazard of bringing.
In this embodiment, the inserting rod 252 is made of rubber, and is disposed in such a way that the inserting rod 252 can be plugged into the inserting groove 251, so that the inserting rod 252 can be stably fixed in the inserting groove 251 under the action of the interference force, and the inserting groove 251 where the inserting rod 252 moves can be kept out until the action of the external force.
In this embodiment, two fixed adsorption mechanisms 26 are symmetrically arranged on the arc tube 21 and the third anti-sputtering plate 24, each fixed adsorption mechanism 26 includes a magnet 261 and a magnet 264, the magnet 261 is fixedly arranged on the side wall of the arc tube 21, the magnet 264 is fixedly arranged on the side wall of the third anti-sputtering plate 24, the magnet 261 and the magnet 264 are mutually abutted, the adsorption mechanism 26 is arranged for further fixing the third anti-sputtering plate 24, specifically, in the design process, the polarities of the end portions, close to each other, of the magnet 261 and the magnet 264 are opposite, and therefore, according to the principle that opposite poles attract each other, an adsorption force exists between the magnet 261 and the magnet 264, and under the synergistic effect of the magnet 261 and the magnet 264, the third anti-sputtering plate 24 can be tightly attached to the arc tube 21.
In this embodiment, a first spacer 262 and a second spacer 263 are disposed between the first magnet 261 and the second magnet 264, the first spacer 262 is fixed on the first magnet 261, the second spacer 263 is fixed on the second magnet 264, when the first magnet 261 and the second magnet 264 are installed, the first magnet 261 and the second magnet 264 generate an impact force due to the attraction force, so that the magnetic force of the magnets is prevented from being lost due to multiple impacts, a first gasket 262 and a second gasket 263 are arranged between the first magnet 261 and the second magnet 264, the arrangement of the first gasket 262 and the second gasket 263 does not influence the magnetic action between the first magnet 261 and the second magnet 264, and can prevent the first magnet 261 and the second magnet 264 from directly touching, thereby, direct impact of the first magnet 261 and the second magnet 264 can be avoided, and the service life of the first magnet 261 and the second magnet 264 can be further prolonged.
In this embodiment, the number of the buffer assemblies 211 is at least three, and the three buffer assemblies 211 are equidistantly arranged with respect to the arc tube 21, so that a better impact buffering effect can be achieved.
In this embodiment, buffer assembly 211 includes fixed section of thick bamboo 2111 and fixed cover 2112, fixed section of thick bamboo 2111 and fixed cover 2112 connect through the screw thread, and the inside wall of fixed cover 2112 is connected with bearing groove 2116, the activity is provided with sealing plate 2115 in the bearing groove 2116, and the inside wall of bearing groove 2116 is connected with the one end of a plurality of supporting spring 2118 that resets, the quantity of supporting spring 2118 that resets is provided with three at least, the other end fixed connection that resets supporting spring 2118 is on the lateral wall of sealing plate 2115, thread groove 2114 has been seted up on sealing plate 2115, and thread groove 2114 internal thread is provided with threaded rod 2113, threaded rod 2113 is located the outer one end of thread groove 2114 and connects on carriage release lever 29, the process of specifically buffering power is as follows:
during the filling process, under the pushing of the materials, impact force is generated on the moving plate 28, under the action of the impact force, the moving plate 28 moves in the moving groove 27, so that the moving rod 29 moves towards the inside of the fixed cylinder cover 2112, and further the sealing plate 2115 is driven to move in the bearing groove 2116 through the combination of the threaded rod 2113 and the threaded groove 2114, along with the movement of the bearing groove 2116, on one hand, the air pressure in the bearing groove 2116 is increased, on the other hand, the return support spring 2118 is compressed, so that under the action of the air pressure and the self elasticity of the return support spring 2118, play the effect of buffering striking power to can avoid the reduction of mixture, and then can reduce the effect of backfill rate, moreover, reset support spring 2118 when buffering the striking power, can shake, and this vibrations can take movable plate 28 striking shaping mixture, so both can be so that the rapid prototyping of mixture, can improve the smooth degree after the mixture shaping again, thereby can avoid the installation hidden danger that drops and bring of peripheral clout.
In this embodiment, the sealing plate 2115 is sleeved with a sealing rubber ring 2117, and the sealing rubber ring 2117 abuts against one side of the supporting groove 2116 close to the sealing rubber ring 2117, so that better air tightness can be achieved.
In this embodiment, a plurality of side supporting plates 21110 are connected to the side wall of the sealing plate 2115, one end of a supporting mechanism 2119 is connected to the side wall of each side supporting plate 21110, the other end of each supporting mechanism 2119 is fixedly connected to the side wall of the supporting groove 2116, each supporting mechanism 2119 includes a supporting cylinder 21191 and a supporting moving rod 21192, the supporting moving rod 21192 is movably inserted into the supporting cylinder 21191, one end of the supporting moving rod 21192 located in the supporting cylinder 21191 is connected to a piston 21196, the piston 21196 is movably disposed in the supporting cylinder 21191, the supporting moving rod 21192 is wound with a supporting spring 21193, the two ends of the supporting spring 21193 are respectively connected to the side wall of the supporting moving rod 21192 and the side wall of the supporting cylinder 21191, the side wall of the supporting moving rod 21192 is connected to a plurality of positioning guide sliders 21195, the positioning guide sliders 21195 are slidably disposed in the positioning guide grooves 21194, and the positioning guide grooves 21194 are disposed on the inner side wall of the supporting, when the sealing plate 2115 moves in the seating groove 2116, the supporting moving rod 21192 moves into the supporting cylinder 21191, and the movement of the supporting moving rod 21192, on the one hand, causes the supporting spring 21193 to be compressed, and on the other hand, carries the piston 21196 to move in the supporting cylinder 21191, thereby changing the air pressure in the supporting cylinder 21191, so that under the action of the self elasticity of the air pressure supporting spring 21193, the impact force can be buffered, and the arrangement of the combined structure of the positioning guide groove 21194 and the positioning guide slider 21195 is used for playing a role in positioning and guiding.
The invention has the beneficial effects that:
according to the invention, the arc-shaped pipe 21 and the powerful electromagnet 3 are additionally arranged, and a closed cavity is formed through the synergistic effect of the arc-shaped pipe 21 and the powerful electromagnet 3, so that during specific construction, a relatively closed environment is created for the sprayed concrete mixture, the sprayed resilience material is automatically collected in the closed environment, and the concrete mixture is sprayed and molded in the closed environment, so that the resilience rate of the backfilled sprayed concrete can be effectively reduced.
In the invention, the combined structure of the first anti-sputtering plate 22, the second anti-sputtering plate 23 and the third anti-sputtering plate 24 is additionally arranged, and a forming cavity is directly built through the combined structure, so that the mixture is directly sprayed into the forming cavity when the mixture is sprayed on the concrete, the mixture can be prevented from being sprayed, and the rebound rate of backfilling sprayed concrete can be reduced.
In the invention, the movable plug-in 25 is additionally arranged on the arc-shaped pipe 21 and the third anti-sputtering plate 24, and the arrangement of the movable plug-in 25 ensures that the third anti-sputtering plate 24 is used for simply fixing the third anti-sputtering plate 24 on the arc-shaped pipe 21 under the action of no external force, and meanwhile, the movable plug-in 25 has a simple structure, so that when the external force is received, the effective separation of the arc-shaped pipe 21 and the third anti-sputtering plate 24 can be ensured, specifically, after the mixture is solidified, the third anti-sputtering plate 24 can be resisted, and when the arc-shaped pipe 21 moves to the next station, the arc-shaped pipe 21 and the third anti-sputtering plate 24 are separated, so that the continuous work of the subsequent sprayed concrete can be ensured, and as the sprayed mixture is a continuous process, the subsequent sputtering of the mixture can not be ensured due to the blocking of the pre-fixed material.
In the invention, the combined structure of the moving groove 27, the moving plate 28, the moving rod 29, the moving through hole 210 and the buffer component 211 is additionally arranged, so that the effect of reducing the backfill rate can be achieved by buffering the impact force, meanwhile, the mixture can be tamped by the vibration effect, the surface of the formed fixed layer is smooth, and the potential safety hazard caused by the falling of excess materials is avoided.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (10)
1. The utility model provides a tunnel construction is with spraying concrete device with reduce rebound rate, plays the main part supporting role by the steel bow member, its characterized in that, including setting up prevent sputter mechanism on the steel bow member, and prevent still being provided with four powerful electromagnetic irons in the sputter mechanism, prevent sputter mechanism and include:
the arc-shaped pipe is movably arranged on the steel arch frame;
the first anti-sputtering plates are arranged on the upper end surface of the arc-shaped pipe, the number of the first anti-sputtering plates is two, and the two first anti-sputtering plates are symmetrically arranged around the arc-shaped pipe;
the second anti-sputtering plate is arranged on the upper end surface of the arc-shaped pipe and is arranged between the first anti-sputtering plates;
the third anti-sputtering plate is detachably arranged on the upper end surface of the arc-shaped pipe, the third anti-sputtering plate is arranged between the first anti-sputtering plates, and the third anti-sputtering plate and the second anti-sputtering plates are symmetrically arranged around the arc-shaped pipe;
the movable plug-in is arranged on the arc-shaped pipe and the third anti-sputtering plate and used for locking the third anti-sputtering plate;
the moving groove is formed in the first sputtering-proof plate and communicated with the pipe diameter of the arc-shaped pipe;
the moving plate is movably arranged in the moving groove;
the moving through hole is formed in the first sputtering prevention plate and is communicated with the moving groove;
the movable rod is movably arranged in the movable through hole, one end of the movable rod is fixedly connected to the side wall of the movable plate, the other end of the movable rod is movably inserted into the buffer assembly, and the buffer assembly is fixedly connected to the side wall of the first anti-sputtering plate through a plurality of fixing rods.
2. The shotcrete device for tunnel construction having a reduced spring back rate according to claim 1, wherein: the movable plug-in comprises a plug-in groove and a plug-in rod, the plug-in groove is formed in the arc tube, the plug-in rod is connected to the side wall of the third anti-sputtering plate, and the plug-in rod is movably plugged in the plug-in groove.
3. The shotcrete device for tunnel construction having a reduced spring back rate according to claim 2, wherein: the insertion rod is made of rubber.
4. The shotcrete device for tunnel construction having a reduced spring back rate according to claim 1, wherein: the symmetry is provided with two fixed adsorption device on arc pipe and the third splash guard, fixed adsorption device includes a magnet and No. two magnets, a fixed setting of magnet is on the lateral wall of arc pipe, No. two fixed settings of magnet are on the lateral wall of No. three splash guards, a magnet and No. two magnet conflict the setting each other.
5. The shotcrete device for tunnel construction having a reduced spring back rate according to claim 4, wherein: a gasket and No. two gaskets are arranged between the first magnet and the second magnet, the gasket is fixedly arranged on the first magnet, and the gasket is fixed on the second magnet.
6. The shotcrete device for tunnel construction having a reduced spring back rate according to claim 1, wherein: the number of the buffer assemblies is at least three, and the three buffer assemblies are arranged at equal intervals relative to the arc-shaped pipe.
7. The shotcrete device for tunnel construction having a reduced spring back rate according to claim 6, wherein: the buffer assembly comprises a fixed cylinder and a fixed cylinder cover, the fixed cylinder and the fixed cylinder cover are connected through threads, the inner side wall of the fixed cylinder cover is connected with a supporting groove, a sealing plate is movably arranged in the supporting groove, one end of a plurality of reset supporting springs is connected to the inner side wall of the supporting groove, the number of the reset supporting springs is at least three, the other end of each reset supporting spring is fixedly connected to the side wall of the sealing plate, a thread groove is formed in the sealing plate, a threaded rod is arranged in the thread groove, and one end, located outside the thread groove, of the threaded rod is connected to the moving rod.
8. The shotcrete device for tunnel construction having a reduced spring back rate according to claim 7, wherein: the sealing plate is sleeved with a sealing rubber ring, and the sealing rubber ring is abutted to one side, close to the bearing groove, of the sealing rubber ring.
9. The shotcrete device for tunnel construction having a reduced spring back rate according to claim 7, wherein: the lateral wall of closing plate is connected with a plurality of side position bearing board, and the lateral wall of side position bearing board is connected with supporting mechanism's one end, supporting mechanism's other end fixed connection is on the lateral wall of holding in the palm the groove.
10. A shotcrete machine having a reduced spring rate for tunnel construction according to claim 9, wherein: the supporting mechanism comprises a supporting cylinder and a supporting moving rod, the supporting moving rod is movably inserted in the supporting cylinder, one end, located in the supporting cylinder, of the supporting moving rod is connected with a piston, the piston is movably arranged in the supporting cylinder, the supporting moving rod is wound and connected with a supporting spring, the two ends of the supporting spring are connected to the side wall of the supporting moving rod and the side wall of the supporting cylinder respectively, the side wall of the supporting moving rod is connected with a plurality of positioning guide sliding blocks, the positioning guide sliding blocks are arranged in positioning guide grooves in a sliding mode, and the positioning guide grooves are formed in the inner side wall of the supporting cylinder.
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| CN202010387202.1A CN111520165B (en) | 2020-05-09 | 2020-05-09 | Tunnel construction is with spraying concrete device with reduce rebound rate |
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| CN202010387202.1A CN111520165B (en) | 2020-05-09 | 2020-05-09 | Tunnel construction is with spraying concrete device with reduce rebound rate |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3402907A1 (en) * | 1984-01-28 | 1985-08-08 | Gerd 4600 Dortmund Drespa | Abrasive-blasting apparatus with spark and dust elimination |
| WO2014054997A1 (en) * | 2012-10-05 | 2014-04-10 | Atlas Copco Rock Drills Ab | Device and method for determining at least one parameter, which determines the application of sprayed concrete |
| CN208518677U (en) * | 2018-04-17 | 2019-02-19 | 蓝传雯 | A kind of supporting mold of Tunnel |
| CN109372553A (en) * | 2018-11-26 | 2019-02-22 | 蓝传雯 | Tunnel mould spray belt template component |
| CN109372552A (en) * | 2018-11-26 | 2019-02-22 | 蓝传雯 | Mould spray apparatus with electromagnetism template |
| CN109372550A (en) * | 2018-11-26 | 2019-02-22 | 蓝传雯 | A kind of mould spray Combined formwork mechanism |
| CN109538250A (en) * | 2019-01-28 | 2019-03-29 | 中南大学 | Device and method for branch at the beginning of tunnel with mould gunite concrete rapid construction |
-
2020
- 2020-05-09 CN CN202010387202.1A patent/CN111520165B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3402907A1 (en) * | 1984-01-28 | 1985-08-08 | Gerd 4600 Dortmund Drespa | Abrasive-blasting apparatus with spark and dust elimination |
| WO2014054997A1 (en) * | 2012-10-05 | 2014-04-10 | Atlas Copco Rock Drills Ab | Device and method for determining at least one parameter, which determines the application of sprayed concrete |
| CN208518677U (en) * | 2018-04-17 | 2019-02-19 | 蓝传雯 | A kind of supporting mold of Tunnel |
| CN109372553A (en) * | 2018-11-26 | 2019-02-22 | 蓝传雯 | Tunnel mould spray belt template component |
| CN109372552A (en) * | 2018-11-26 | 2019-02-22 | 蓝传雯 | Mould spray apparatus with electromagnetism template |
| CN109372550A (en) * | 2018-11-26 | 2019-02-22 | 蓝传雯 | A kind of mould spray Combined formwork mechanism |
| CN109538250A (en) * | 2019-01-28 | 2019-03-29 | 中南大学 | Device and method for branch at the beginning of tunnel with mould gunite concrete rapid construction |
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| CN111520165B (en) | 2020-12-01 |
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Inventor after: Xie Xiangming Inventor after: Yang Haobin Inventor after: Yang Zhengrong Inventor after: Zhao Yaling Inventor after: Xu Wenxiu Inventor after: Jin Yongjiu Inventor after: Wang Yinglong Inventor after: Gan Daqin Inventor after: Hu Jiangtao Inventor after: Zheng Li Inventor before: Zhao Yaling Inventor before: Yang Haobin Inventor before: Yang Zhengrong Inventor before: Xie Xiangming Inventor before: Xu Wenxiu Inventor before: Jin Yongjiu Inventor before: Wang Yinglong Inventor before: Gan Daqin Inventor before: Hu Jiangtao Inventor before: Zheng Li |