CN113719302A - Section wet spraying device and method for tunnel construction - Google Patents
Section wet spraying device and method for tunnel construction Download PDFInfo
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- CN113719302A CN113719302A CN202111073160.5A CN202111073160A CN113719302A CN 113719302 A CN113719302 A CN 113719302A CN 202111073160 A CN202111073160 A CN 202111073160A CN 113719302 A CN113719302 A CN 113719302A
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- 238000005507 spraying Methods 0.000 title claims abstract description 75
- 238000010276 construction Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title description 3
- 238000002347 injection Methods 0.000 claims abstract description 60
- 239000007924 injection Substances 0.000 claims abstract description 60
- 239000004567 concrete Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000005422 blasting Methods 0.000 claims abstract description 6
- 230000002441 reversible effect Effects 0.000 claims description 19
- 230000000670 limiting effect Effects 0.000 claims description 13
- 239000007921 spray Substances 0.000 claims description 9
- 230000005611 electricity Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000002829 reductive effect Effects 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 description 3
- 239000011378 shotcrete Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK 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
- E21D11/105—Transport or application of concrete specially adapted for the lining of tunnels or galleries ; Backfilling the space between main building element and the surrounding rock, e.g. with concrete
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Civil Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention discloses a section wet spraying device and a section wet spraying method for tunnel construction, wherein the section wet spraying device comprises a bottom plate, a side surface spraying mechanism is arranged on the bottom plate, a top spraying mechanism is arranged at the top of the side surface spraying mechanism, the top spraying mechanism comprises arc-shaped chute bodies which are symmetrically arranged, the arc-shaped chute bodies are fixedly connected to the top of a gantry type mounting frame, a driving motor is fixedly arranged at the top of the gantry type mounting frame, a sliding seat is arranged between the two arc-shaped chute bodies in a sliding mode, an electric cylinder II is fixedly arranged at the top of the sliding seat, the end part of a telescopic rod of the electric cylinder II is fixedly connected with a spraying pipe II, and a rotating shaft of the driving motor is fixedly connected with the bottom of the sliding seat through a connecting rod; this section wet blasting device for tunnel construction has realized carrying out even, quick concrete injection operation to full section in the tunnel, has not only reduced the manpower consumption, has improved efficiency of construction and construction quality moreover, simple structure, the maintenance and the maintenance in the later stage of being convenient for.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a section wet spraying device for tunnel construction and a method for wet spraying a section of tunnel construction.
Background
The sprayed concrete is a construction method for pouring fine stone concrete by spraying a pressure spray gun. It is commonly used for pouring linings of tunnel, linings of thin-wall structures such as wall and ceiling, or linings of other structures, and protective layers of steel structures. The sprayed concrete is formed by filling cement, sand, stones, water and a certain amount of additives which are prepared in advance into a spraying machine, sending the mixture to a spray head by utilizing high-pressure air, mixing the mixture with an accelerating agent and spraying the mixture to the surface of the rock or the concrete at a high speed.
Traditional tunnel construction adopts small-size dry blasting machine or wet blasting machine to carry out the concrete injection, not only consumes a large amount of manpowers, and spray efficiency is low moreover, and the effect is poor, and the dust during spraying can cause very big influence to constructor's health moreover, and current concrete injection device can carry out the concrete injection operation to curved tunnel, but some tunnels are for falling the U font, and this type of device can not carry out quick, omnidirectional injection to the tunnel of this shape.
Disclosure of Invention
The invention aims to provide a section wet spraying device for tunnel construction, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a section wet spraying device for tunnel construction comprises a bottom plate, wherein four corners of the bottom plate are provided with track wheels used for moving on tracks in a tunnel, a side spraying mechanism is arranged on the bottom plate, and a top spraying mechanism is arranged at the top of the side spraying mechanism;
the side surface spraying mechanism is used for uniformly and accurately spraying concrete to the vertical side surface of the tunnel;
the top spraying mechanism is used for uniformly and accurately spraying concrete to the arc top of the tunnel.
Through adopting above-mentioned technical scheme, realized carrying out the function of concrete injection operation to whole tunnel automatically, reduced the manpower consumption, improved the efficiency of construction.
Preferably, the side injection mechanism comprises a lifting component and a side injection component, the lifting component comprises a gantry type mounting rack, the inner sides of the two ends of the gantry type mounting rack are symmetrically provided with sliding limiting grooves, a moving plate is arranged between the two sliding limiting grooves on the same side of the gantry type mounting rack in a sliding manner, a lead screw is arranged between the two sliding limiting grooves on the same side of the gantry type mounting rack in a rotating manner, the upper end thread of the lead screw penetrates through the moving plate in a rotating manner and is arranged at the top of the gantry type mounting rack, a supporting plate is fixedly connected between the two sliding limiting grooves on the same side of the gantry type mounting rack, the lower end of the lead screw penetrates through the supporting plate in a rotating manner, the bottom of the lead screw is fixedly connected with a conical driven gear, the upper surface of the bottom plate is rotatably provided with a rotating rod through a bearing with a base, the two ends of the rotating rod are fixedly connected with conical driving gears which are meshed with the conical driven gears, the top of the bottom plate is fixedly provided with a forward and reverse rotating motor, a rotating shaft of the forward and reverse rotating motor is fixedly connected with a first gear, the rotating rod is fixedly connected with a second gear, and the first gear is meshed with the second gear;
the side injection assembly comprises a mounting seat, a first electric cylinder is fixedly mounted on the mounting seat, and a first injection pipe is fixedly connected to the end portion of a telescopic rod of the first electric cylinder.
By adopting the technical scheme, the concrete spraying operation on the vertical surface of the tunnel is rapid and uniform.
Preferably, the bottom of the mounting seat is fixedly connected with a support, and the lower end of the support is rotatably provided with a guide wheel.
By adopting the technical scheme, the pipeline is prevented from being extruded, and the normal injection of the concrete is ensured.
Preferably, the screw rods on the two sides of the gantry type mounting rack have opposite rotating directions.
By adopting the technical scheme, the movable plates on the two sides can move in the same direction.
Preferably, the top injection mechanism includes the arc chute body that the symmetry set up, arc chute body fixed connection be in the top of planer-type mounting bracket, the top fixed mounting of planer-type mounting bracket has driving motor, two it is provided with the sliding seat to slide between the arc chute body, the top fixed mounting of sliding seat has electric jar two, the tip fixedly connected with injection pipe two of the telescopic link of electric jar two, driving motor's pivot pass through the connecting rod with the bottom fixed connection of sliding seat.
Through adopting above-mentioned technical scheme, realize the concrete injection operation to tunnel arc top.
Preferably, the bottom of the connecting rod is fixedly connected with a clamping sleeve, the rotating shaft of the driving motor is fixedly connected with a clamping shaft through a coupler, and the clamping sleeve is fixedly sleeved on the clamping shaft.
Through adopting above-mentioned technical scheme, the dismouting of the connecting rod of being convenient for and driving motor, the maintenance of the later stage of being convenient for.
Preferably, the top of the gantry-type mounting frame is fixedly connected with a supporting block, and one end of the clamping shaft is rotatably arranged on one side of the supporting block.
Through adopting above-mentioned technical scheme, improve the stability when the card axle drives the connecting rod and rotates.
Preferably, one of them inside and one of them in both ends of arc-shaped chute body the equal fixed mounting of upper end and the lower extreme of slip spacing inslot has stroke pressure sensor, the top of bottom plate is provided with the control box, the inside fixed mounting of control box has the PLC controller, the input of PLC controller with stroke pressure sensor electric connection, the output of PLC controller respectively with driving motor's automatically controlled end and the automatically controlled end electric connection of just reversing motor.
By adopting the technical scheme, the function of automatically spraying concrete is realized.
Preferably, the fixed surface of control box installs the function button, the function button with the input electric connection of PLC controller, electricity jar one with electricity jar two all is controlled by the PLC controller.
Through adopting above-mentioned technical scheme, the staff of being convenient for is to this section wet blasting device's for tunnel construction control.
The invention also provides a wet spraying method for the cross section of tunnel construction, which comprises the following steps:
s1, starting the PLC to detect the operation of the forward and reverse rotation motor, the driving motor, the first electric cylinder and the second electric cylinder so as to ensure the normal operation of the equipment;
s2, placing the section wet spraying device for tunnel construction on a track of a tunnel, and then connecting a pipeline of the first injection pipe and a pipeline of the second injection pipe with the concrete spraying tank;
s3, driving the first injection pipe to perform position adjustment by controlling a telescopic rod of the first electric cylinder, and further adjusting the distance between an injection port of the first injection pipe and the cross section;
s4, starting a driving motor and a forward and reverse rotation motor, wherein the driving motor drives an injection pipe II to reciprocate on the arc-shaped chute body through a connecting rod matched with a PLC (programmable logic controller) and a stroke pressure sensor, so that concrete at the top of the tunnel is injected, meanwhile, the forward and reverse rotation motor drives the injection pipe to spray concrete on the vertical surface of the tunnel, and the injection operation of the concrete in the whole tunnel is realized by pulling a bottom plate;
and S5, after the injection is finished, closing the PLC controller.
Compared with the prior art, the invention realizes the uniform and rapid concrete spraying operation on the full section in the tunnel, not only reduces the manpower consumption, but also improves the construction efficiency and the construction quality, and simultaneously has simple structure and is convenient for later maintenance and maintenance.
Drawings
FIG. 1 is a schematic structural view of a cross-sectional wet spraying apparatus for tunnel construction according to the present invention;
FIG. 2 is a second schematic structural view of the cross-sectional wet spraying apparatus for tunnel construction according to the present invention;
FIG. 3 is a third schematic structural view of a cross-section wet spraying apparatus for tunnel construction according to the present invention;
FIG. 4 is a schematic diagram of a partial explosion structure of a top spraying mechanism of the cross-section wet spraying device for tunnel construction according to the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 3;
fig. 6 is an enlarged view of a portion B in fig. 4.
In the figure: 100. a base plate; 101. a control box; 102. a rail wheel;
200. a side injection mechanism; 201. a gantry type mounting rack; 202. a sliding limit groove; 203. moving the plate; 204. a screw rod; 205. a positive and negative rotation motor; 206. a first gear; 207. a second gear; 208. rotating the rod; 209. a pedestal bearing; 210. a conical drive gear; 211. a conical driven gear; 212. a mounting seat; 213. a first electric cylinder; 214. a first injection pipe; 215. a support; 216. a guide wheel; 217. a support plate;
300. a top injection mechanism; 301. an arc-shaped chute body; 302. a sliding seat; 303. a second electric cylinder; 304. a second injection pipe; 305. a drive motor; 306. a connecting rod; 307. a stroke pressure sensor; 308. a card sleeve; 309. clamping a shaft; 310. a roller; 311. and (7) a supporting block.
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. 1-6, the present invention provides a technical solution:
a section wet spraying device for tunnel construction comprises a bottom plate 100, a side spraying mechanism 200 for uniformly and accurately spraying concrete to the vertical side of a tunnel, and a top spraying mechanism 300 for uniformly and accurately spraying concrete to the arc-shaped top of the tunnel;
in order to facilitate the movement of the section wet spraying device for tunnel construction, four corners of the bottom plate 100 are provided with track wheels 102 for moving on tracks in the tunnel;
wherein, the side injection mechanism 200 is composed of a lifting component and a side injection component, the lifting component comprises a gantry type mounting rack 201, the inner sides of both ends of the gantry type mounting rack 201 are symmetrically provided with sliding limiting grooves 202, a moving plate 203 is arranged between the two sliding limiting grooves 202 positioned at the same side of the gantry type mounting rack 201 in a sliding way, a screw 204 is arranged between the two sliding limiting grooves 202 positioned at the same side of the gantry type mounting rack 201 in a rotating way, the upper end thread of the screw 204 is rotated to penetrate through the moving plate 203 and is arranged at the top of the gantry type mounting rack 201 in a rotating way, a supporting plate 217 is fixedly connected between the two sliding limiting grooves 202 positioned at the same side of the gantry type mounting rack 201, the lower end of the screw 204 is rotated to penetrate through the supporting plate 217, the bottom of the screw 204 is fixedly connected with a conical driven gear 211, the upper surface of the bottom plate 100 is rotatably provided with a rotating rod 208 through a bearing 209 with a base, both ends of the rotating rod 208 are fixedly connected with a conical driving gear 210, the conical driving gear 210 is meshed with the conical driven gear 211, in order to ensure that the moving plates 203 on two sides can move in the same direction, the rotating directions of the screw rods 204 on two sides of the gantry type mounting rack 201 are opposite, the top of the bottom plate 100 is fixedly provided with a forward and reverse rotating motor 205, a rotating shaft of the forward and reverse rotating motor 205 is fixedly connected with a first gear 206, a rotating rod 208 is fixedly connected with a second gear 207, and the first gear 206 is meshed with the second gear 207;
the side spraying assembly comprises a mounting seat 212, a first electric cylinder 213 is fixedly mounted on the mounting seat 212, a first spraying pipe 214 is fixedly connected to the end part of a telescopic rod of the first electric cylinder 213, so that the first spraying pipe 214 is prevented from being extruded and normal spraying of concrete is guaranteed, a support 215 is fixedly connected to the bottom of the mounting seat 212, and a guide wheel 216 is rotatably arranged at the lower end of the support 215;
the working principle of the side injection mechanism 200 is as follows: when the device is used, the forward and reverse rotation motor 205 drives the first gear 206 to rotate, the first gear 206 is matched with the second gear 207 to drive the rotating rod 208 to rotate, the conical driving gears 210 at the two ends of the rotating rod 208 are matched with the conical driven gear 211 at the bottom of the screw rod 204 to drive the screw rod 204 to rotate forward and reverse, so that the function of driving the side injection assembly to move up and down is realized, then the telescopic rod of the control electric cylinder I213 is used for driving the injection pipe I214 to adjust the position, the distance between the injection port of the injection pipe I214 and the section is further adjusted, the quality of concrete injection is ensured, and the concrete injection on the whole vertical section of the tunnel is further realized;
wherein, the top injection mechanism 300 comprises arc chute bodies 301 which are symmetrically arranged, the arc chute bodies 301 are fixedly connected to the top of the gantry type mounting frame 201, a driving motor 305 is fixedly installed on the top of the gantry type mounting frame 201, a sliding seat 302 is slidably arranged between the two arc chute bodies 301, in order to reduce the abrasion of the sliding seat 302 and the arc chute bodies 301, rollers 310 are respectively arranged on two sides of the sliding seat 302, the rollers 310 are roll-installed in the arc chute bodies 301, an electric cylinder II 303 is fixedly installed on the top of the sliding seat 302, an injection pipe II 304 is fixedly connected to the end part of a telescopic rod of the electric cylinder II 303, a rotating shaft of the driving motor 305 is fixedly connected with the bottom of the sliding seat 302 through a connecting rod 306, in order to facilitate later maintenance, a clamping sleeve 308 is fixedly connected to the bottom of the connecting rod 306, a rotating shaft of the driving motor 305 is fixedly connected with a clamping shaft 309 through a coupling, and the clamping sleeve 308 is fixedly connected to the clamping shaft 309, the design facilitates the disassembly and assembly between the connecting rod 306 and the driving motor 305, in order to improve the stability when the clamping shaft 309 drives the connecting rod 306 to rotate, the top of the gantry type mounting rack 201 is fixedly connected with a supporting block 311, and one end of the clamping shaft 309 is rotatably arranged on one side of the supporting block 311;
the operating principle of the top spray mechanism 300 is as follows: start driving motor 305, it rotates to drive connecting rod 306 through driving motor 305 pivot, and then realize sliding seat 302 and carry out the arc motion on arc spout body 301, the telescopic link extension through two 303 of control electric jar or shorten the distance of adjusting two 304 of injection pipes and this section wet spray device for tunnel construction, avoid spraying the concrete at the tunnel top and drop on this section wet spray device for tunnel construction, just reverse through control driving motor 305, realize the injection operation to tunnel arc top concrete.
In order to realize that the moving plate 203 automatically moves up and down and the sliding seat 302 automatically reciprocates on the arc-shaped sliding groove bodies 301, stroke pressure sensors 307 are fixedly arranged inside two ends of one arc-shaped sliding groove body 301 and at the upper end and the lower end in one sliding limiting groove 202, the top of the bottom plate 100 is provided with a control box 101, a PLC controller is fixedly arranged inside the control box 101, the input end of the PLC controller is electrically connected with the stroke pressure sensors 307, and the output end of the PLC controller is respectively electrically connected with the electric control end of the driving motor 305 and the electric control end of the forward and reverse rotating motor 205;
in order to facilitate the control of the working personnel on the section wet spraying device for tunnel construction, a function button is fixedly mounted on the surface of the control box 101, the function button is electrically connected with the input end of the PLC, and the first electric cylinder 213 and the second electric cylinder 303 are controlled by the PLC.
The invention provides a wet spraying method for a tunnel construction section, which specifically comprises the following steps:
s1, starting a PLC controller to perform operation detection on the forward and reverse rotation motor 205, the driving motor 305, the first electric cylinder 213 and the second electric cylinder 303 so as to ensure normal operation of the equipment;
s2, placing the section wet spraying device for tunnel construction on a track of a tunnel, and then connecting the pipeline of the first injection pipe 214 and the pipeline of the second injection pipe 304 with a concrete spraying tank;
s3, driving the first injection pipe 214 to carry out position adjustment by controlling the telescopic rod of the first electric cylinder 213, and further adjusting the distance between the injection port of the first injection pipe 214 and the cross section;
s4, starting a driving motor 305 and a forward and reverse rotation motor 205, wherein the driving motor 305 drives a second injection pipe 304 to reciprocate on an arc-shaped sliding chute body 301 through a connecting rod 306 in cooperation with a PLC (programmable logic controller) and a stroke pressure sensor 307, so that concrete at the top of the tunnel is injected, meanwhile, the forward and reverse rotation motor 205 drives a first injection pipe 214 to spray concrete on the vertical surface of the tunnel, and the injection operation of the concrete of the whole tunnel is realized by pulling a bottom plate 100;
and S5, after the injection is finished, closing the PLC controller.
The parts not involved in the present invention are the same as or can be implemented by the prior art. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a section wet blasting device for tunnel construction which characterized in that includes: the tunnel side spraying device comprises a bottom plate (100), wherein four corners of the bottom plate (100) are provided with track wheels (102) used for moving on a track in a tunnel, a side spraying mechanism (200) is arranged on the bottom plate (100), and a top spraying mechanism (300) is arranged at the top of the side spraying mechanism (200);
the side spraying mechanism (200) is used for uniformly and accurately spraying concrete to the vertical side of the tunnel;
the top spraying mechanism (300) is used for uniformly and accurately spraying concrete to the arc top of the tunnel.
2. The section wet spraying device for tunnel construction according to claim 1, characterized in that: the side spraying mechanism (200) comprises a lifting component and a side spraying component, the lifting component comprises a gantry type mounting rack (201), sliding limiting grooves (202) are symmetrically formed in the inner sides of two ends of the gantry type mounting rack (201), a moving plate (203) is arranged between the two sliding limiting grooves (202) on the same side of the gantry type mounting rack (201) in a sliding mode, a lead screw (204) is rotatably arranged between the two sliding limiting grooves (202) on the same side of the gantry type mounting rack (201), the upper end thread of the lead screw (204) is rotatably arranged at the top of the gantry type mounting rack (201) in a penetrating mode through the moving plate (203), a supporting plate (217) is fixedly connected between the two sliding limiting grooves (202) on the same side of the gantry type mounting rack (201), and the lower end of the lead screw (204) is rotatably arranged through the supporting plate (217), the bottom of the screw rod (204) is fixedly connected with a conical driven gear (211), the upper surface of the bottom plate (100) is rotatably provided with a rotating rod (208) through a bearing with a seat (209), two ends of the rotating rod (208) are both fixedly connected with conical driving gears (210), the conical driving gears (210) are meshed with the conical driven gear (211), the top of the bottom plate (100) is fixedly provided with a forward and reverse rotating motor (205), a rotating shaft of the forward and reverse rotating motor (205) is fixedly connected with a first gear (206), the rotating rod (208) is fixedly connected with a second gear (207), and the first gear (206) is meshed with the second gear (207);
the side injection assembly comprises a mounting seat (212), a first electric cylinder (213) is fixedly mounted on the mounting seat (212), and a first injection pipe (214) is fixedly connected to the end portion of an expansion rod of the first electric cylinder (213).
3. The section wet spraying device for tunnel construction according to claim 2, characterized in that: the bottom of the mounting seat (212) is fixedly connected with a support (215), and the lower end of the support (215) is rotatably provided with a guide wheel (216).
4. The section wet spraying device for tunnel construction according to claim 3, characterized in that: the screw rods (204) positioned on the two sides of the gantry type mounting rack (201) are opposite in rotating direction.
5. The section wet spraying device for tunnel construction according to claim 4, wherein: top injection mechanism (300) arc spout body (301) including the symmetry setting, arc spout body (301) fixed connection be in the top of planer-type mounting bracket (201), the top fixed mounting of planer-type mounting bracket (201) has driving motor (305), two it is provided with sliding seat (302) to slide between arc spout body (301), the top fixed mounting of sliding seat (302) has two (303) electric jar, the tip fixedly connected with injection pipe two (304) of the telescopic link of two (303) electric jar, the pivot of driving motor (305) pass through connecting rod (306) with the bottom fixed connection of sliding seat (302).
6. The section wet spraying device for tunnel construction according to claim 5, wherein: the bottom fixedly connected with cutting ferrule (308) of connecting rod (306), the pivot of driving motor (305) passes through shaft coupling fixedly connected with card axle (309), cutting ferrule (308) is fixed to be cup jointed on card axle (309).
7. The section wet spraying device for tunnel construction according to claim 6, characterized in that: the top of the gantry type mounting rack (201) is fixedly connected with a supporting block (311), and one end of the clamping shaft (309) is rotatably arranged on one side of the supporting block (311).
8. The section wet spraying device for tunnel construction according to claim 5, wherein: one of them inside and one of them in the both ends of arc chute body (301) the equal fixed mounting of upper end and lower extreme in slip spacing groove (202) has stroke pressure sensor (307), the top of bottom plate (100) is provided with control box (101), the inside fixed mounting of control box (101) has the PLC controller, the input of PLC controller with stroke pressure sensor (307) electric connection, the output of PLC controller respectively with the automatically controlled end of driving motor (305) and the automatically controlled end electric connection of just reversing motor (205).
9. The section wet blasting device for tunnel construction according to claim 8, wherein: the surface of control box (101) is fixed and is installed the function button, the function button with PLC controller's input electric connection, electricity jar one (213) with electricity jar two (303) all are controlled by PLC controller.
10. A wet spraying method for a tunnel construction section is characterized by comprising the following steps: the section wet spraying device for tunnel construction according to any one of claims 1 to 9 is adopted to carry out wet spraying operation on the section of the tunnel, and specifically comprises the following steps:
s1, starting a PLC controller to perform operation detection on the forward and reverse rotation motor (205), the driving motor (305), the first electric cylinder (213) and the second electric cylinder (303) so as to ensure normal operation of the equipment;
s2, placing the section wet spraying device for tunnel construction on a track of a tunnel, and then connecting a pipeline of the first spraying pipe (214) and a pipeline of the second spraying pipe (304) with a concrete spraying tank;
s3, driving the first injection pipe 214 to carry out position adjustment by controlling a telescopic rod of the first electric cylinder (213), and further adjusting the distance between an injection port of the first injection pipe (214) and the cross section;
s4, starting a driving motor (305) and a forward and reverse rotation motor (205), wherein the driving motor (305) drives a second injection pipe (304) to reciprocate on an arc-shaped sliding chute body (301) through a connecting rod (306) in cooperation with a PLC (programmable logic controller) and a stroke pressure sensor (307), so that the concrete at the top of the tunnel is injected, meanwhile, the forward and reverse rotation motor (205) drives a first injection pipe (214) to spray the concrete on the vertical surface of the tunnel, and the injection operation of the concrete of the whole tunnel is realized by pulling a bottom plate (100);
and S5, after the injection is finished, closing the PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202111073160.5A CN113719302A (en) | 2021-09-14 | 2021-09-14 | Section wet spraying device and method for tunnel construction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111073160.5A CN113719302A (en) | 2021-09-14 | 2021-09-14 | Section wet spraying device and method for tunnel construction |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235952A (en) * | 2021-12-14 | 2022-03-25 | 中铁十七局集团第四工程有限公司 | Tunnel detection device |
| CN117888928A (en) * | 2024-03-11 | 2024-04-16 | 中铁科学研究院有限公司 | Tunnel supporting and spraying device |
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2021
- 2021-09-14 CN CN202111073160.5A patent/CN113719302A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114235952A (en) * | 2021-12-14 | 2022-03-25 | 中铁十七局集团第四工程有限公司 | Tunnel detection device |
| CN117888928A (en) * | 2024-03-11 | 2024-04-16 | 中铁科学研究院有限公司 | Tunnel supporting and spraying device |
| CN117888928B (en) * | 2024-03-11 | 2024-05-14 | 中铁科学研究院有限公司 | Tunnel supporting and spraying device |
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