CN110952454A - Automatic guniting equipment for tunnel and bridge construction - Google Patents
Automatic guniting equipment for tunnel and bridge construction Download PDFInfo
- Publication number
- CN110952454A CN110952454A CN201911183118.1A CN201911183118A CN110952454A CN 110952454 A CN110952454 A CN 110952454A CN 201911183118 A CN201911183118 A CN 201911183118A CN 110952454 A CN110952454 A CN 110952454A
- Authority
- CN
- China
- Prior art keywords
- tunnel
- nozzle
- bridge construction
- equipment
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 238000003756 stirring Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 2
- 239000007921 spray Substances 0.000 abstract description 32
- 238000000034 method Methods 0.000 abstract description 16
- 238000005507 spraying Methods 0.000 abstract description 16
- 239000002002 slurry Substances 0.000 abstract description 11
- 239000004570 mortar (masonry) Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
- E04G21/04—Devices for both conveying and distributing
- E04G2021/049—Devices for both conveying and distributing concrete mixing nozzles specially adapted for conveying devices
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Nozzles (AREA)
Abstract
The invention belongs to the technical field of tunnel construction equipment, and particularly discloses automatic guniting equipment for tunnel bridge construction, which comprises a base, wherein a spray head is arranged on the base, a feed inlet is formed in the lower part of the spray head, a discharge outlet is formed in the upper part of the spray head, a spray nozzle is arranged at the discharge outlet, a rotating shaft is rotationally connected with the spray head, the spray head extends out of the upper part of the rotating shaft, a spiral material feeding piece for extrusion feeding is arranged on the upper part of the rotating shaft, a connecting plate is connected to the upper end of the rotating shaft, an arc-shaped swinging plate is connected to one side of the spray head, the spray nozzle is connected to a swinging rod, one. The invention is mainly used for spraying slurry in the process of building a tunnel or a bridge, and solves the problem that the construction is unstable due to manual control in the spraying process of the slurry spraying equipment in the prior art.
Description
Technical Field
The invention belongs to the technical field of building equipment, and particularly discloses automatic guniting equipment for tunnel and bridge construction.
Background
The tunnel structure comprises a main building and auxiliary equipment, wherein the main building comprises a tunnel body and a tunnel door, the auxiliary equipment comprises a vehicle avoiding tunnel, fire-fighting equipment, emergency communication and water prevention and drainage equipment, and the long tunnel is also provided with special ventilation and lighting equipment. The bridge generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for spanning obstacles; the lower structure comprises a bridge abutment, a bridge pier and a foundation; the support is a force transmission device arranged at the supporting positions of the bridge span structure and the bridge pier or the bridge abutment; the auxiliary structures refer to bridge end butt straps, tapered revetments, diversion works and the like.
After the tunnel is built and the operation of punching is finished, mortar and waterproof materials need to be sprayed on the wall of the tunnel; similarly, when the construction position of the pier is located in or near the water area, waterproof materials are required to be sprayed on the surface of the pier; the mortar or the waterproof material is sprayed on the surface of the hole wall or the pier, so that the anticorrosion effect can be achieved.
In the prior art, when spraying a hole wall and a pier, mortar or a waterproof material needs to be conveyed to a sprayer through a pipeline, and then the waterproof material or the mortar is sprayed on the surface of the hole wall and the pier by using the sprayer. In the spraying process, the orientation of a spray head needs to be manually controlled, and the spraying direction and position can be manually controlled to cause uneven spraying, so that the re-spraying is needed, and finally, unstable factors are brought to the construction; in the spraying process, if the spraying material is not uniformly stirred, the spraying material can be agglomerated in the pipeline, so that the spray head is easily blocked, the shutdown maintenance condition is caused, the construction period is prolonged, and economic loss is caused for builders.
Disclosure of Invention
The invention aims to provide automatic guniting equipment for tunnel and bridge construction, and aims to solve the problem that unstable factors are caused to construction due to manual control in the spraying process of spraying equipment in the prior art.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides an automatic whitewashing equipment for tunnel bridge construction, the on-line screen storage device comprises a base, be equipped with the shower nozzle on the base, the feed inlet has been seted up to the shower nozzle lower part, the discharge gate has been seted up on shower nozzle upper portion, discharge gate department is equipped with the nozzle, the shower nozzle internal rotation is connected with the pivot, the shower nozzle is stretched out on the upper portion of pivot, pivot upper portion is equipped with the spiral material feeding piece that is used for the extrusion pay-off, the pivot upper end is connected with the connecting plate, one side handing-over of shower nozzle has curved swinging plates, the nozzle is connected on the swinging arms, the.
The working principle of the technical scheme is as follows: when the device is used, the driving part is started and drives the rotating shaft to rotate; the slurry is conveyed into a spray head through a feed port, the slurry is stirred and extruded by a spiral material conveying sheet, and the extruded slurry is sprayed out through a spray nozzle; in the rotating process of the rotating shaft, the rotating shaft rotates to drive the connecting plate to rotate, the connecting plate rotates to drive the swinging plate to rotate, the swinging plate rotates to drive the nozzle to periodically swing, and the nozzle can uniformly spray slurry by moving the base.
The beneficial effects of this technical scheme lie in:
(1) in the spraying process, the spiral material conveying sheet can play roles in stirring and extruding, so that slurry is sprayed out through the nozzle;
(2) in this scheme, the pivot can drive the connecting plate and rotate at the rotation in-process, and the connecting plate can drive the swing board swing when rotating, and the swing board swing can drive the nozzle swing, can drive the nozzle cycle swing through the periodic rotation of connecting plate for the spraying ground paste is more even.
Further, the lower part of the inner side of the spray head is provided with a stirring part, the stirring part comprises an inner gear ring and a planet carrier, the inner gear ring and the planet carrier are arranged on the lower part of the inner wall of the spray head, the planet carrier is rotatably connected with a plurality of planet gear shafts, the planet gear shafts are connected with planet gears, and the planet gears are engaged with the sun gear and the sun gear. The stirring function can be achieved by driving the planetary gear to rotate when the sun wheel rotates.
Furthermore, a sliding groove is formed in the oscillating rod, one end, far away from the rotating shaft, of the connecting plate is rotatably connected with a vertical rod, and the vertical rod is connected with the inner wall of the sliding groove in a sliding mode. Through setting up the montant, at the connecting plate along with the pivot rotation in-process, the montant can slide along the spout, the drive swing board swing that like this can be better.
Furthermore, a support is arranged on one side of the spray head, a cross shaft is rotatably connected to the support, and one end of the cross shaft, which is abutted to the rotating shaft, is fixedly connected with the swinging plate. By connecting the swing plate with the cross shaft, the abrasion can be reduced in the swing process of the swing plate, and the service life of the device is prolonged.
Furthermore, the longitudinal section of the upper part of the spray head is trapezoidal, and one side of the connecting plate is bent downwards and is parallel to the surface of the upper part of the spray head. Therefore, the connecting plate can drive the swinging plate to swing in the process of rotating along with the rotating shaft.
Further, the driving part is a motor connected to the base, and an output shaft of the motor is arranged upwards and is coaxially connected with the rotating shaft. The motor is used for driving the rotating shaft to rotate, so that the stability of the rotating shaft in the rotating process is improved, and the stable spraying of the nozzle is guaranteed.
Further, a support is arranged on the lower portion of the base, and rollers are mounted on the lower portion of the support through bearings. The roller is arranged to facilitate the moving and carrying of the equipment.
Furthermore, a rubber ring is sleeved on the roller, and anti-skid lines are arranged on the rubber ring. Through setting up rubber circle and anti-skidding line, can prevent that the gyro wheel from taking place to skid at the roll in-process.
Furthermore, the roller is provided with a buckle for positioning the roller. Through setting up the buckle, be convenient for be decided into the gyro wheel, can prevent like this to take place to remove using this equipment in-process, improved the stability of equipment.
Drawings
FIG. 1 is a schematic longitudinal sectional view of an embodiment of an automatic guniting apparatus for tunnel and bridge construction according to the present invention;
FIG. 2 is a top view of the swing plate and the connecting plate of FIG. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises a base 1, a spray head 2, a feed inlet 3, a feed pipe 4, a discharge port 5, a nozzle 6, a rotating shaft 7, a spiral feed sheet 8, a connecting plate 9, a swinging plate 10, a support 11, a transverse shaft 12, a vertical rod 13, a planetary gear 14, a sun gear 15, a sliding chute 16, a motor 17, a support 18 and a roller 19.
Referring to fig. 1 and 2, an automatic guniting device for tunnel and bridge construction comprises a base 1, wherein a bracket 18 is welded at the lower part of the base, and a roller 19 is arranged at the lower part of the bracket 18 through a bearing; the last cover of gyro wheel 19 is equipped with the rubber circle, and processing has anti-skidding line on the rubber circle, installs the buckle that is used for the location gyro wheel on the gyro wheel 19, and the buckle is the buckle that is used for locking the gyro wheel among the prior art. The welding has shower nozzle 2 on the base 1, and feed inlet 3 has been seted up to 2 lower parts of shower nozzle, and the import department is connected with inlet pipe 4, and discharge gate 5 has been seted up on 2 upper portions of shower nozzle, and discharge gate 5 has nozzle 6 through hose connection. The bottom in the spray head 2 is provided with a rotating shaft 7 through a bearing, the upper part of the rotating shaft 7 extends out of the spray head 2, and the upper part of the rotating shaft 7 in the spray head 2 is welded with a spiral material feeding sheet 8 for extrusion feeding along the axial direction.
The upper end of the rotating shaft 7 is connected with a connecting plate 9, the longitudinal section of the upper part of the spray head 2 is trapezoidal, and one side of the connecting plate 9 is bent downwards and is parallel to the surface of the upper part of the spray head 2. An arc-shaped swing plate 10 is connected with one side of the spray head 2, and the spray nozzle 6 is connected with a swing rod. The swing rod is provided with a sliding groove 16 along the length direction, the connecting plate 9 far away from the rotating shaft 7 is connected with a vertical rod 13 through a bearing, and the vertical rod 13 is connected with the inner wall of the sliding groove 16 in a sliding manner. One side of the spray head 2 is provided with a support 11, a transverse shaft 12 is rotatably connected on the support 11, and one end of the transverse shaft 12, which is close to the rotating shaft 7, is fixedly connected with the swinging plate 10.
The base 1 is provided with a driving part which drives the rotating shaft 7 to rotate. The drive part is motor 17 connected on base 1, and the output shaft of motor 17 upwards arranges, and the output shaft and the pivot 7 coaxial coupling of motor 17. The lower part of the inner side of the spray head 2 is provided with a stirring part, the stirring part comprises an inner gear ring and a planet carrier which are fixedly arranged on the lower part of the inner wall of the spray head 2, a plurality of planet gear shafts 14 are arranged on the planet carrier through bearings, the planet gear shafts 14 are connected with planet gears 14, and the planet gears 14 are engaged with a sun gear 15 and the sun gear 15.
The specific implementation process is as follows: when the device is used, the motor 17 is started, and the output shaft of the motor 17 rotates to drive the rotating shaft 7 to rotate; slurry is conveyed into the spray head 2 through the feed inlet 3, the slurry is stirred and extruded by the spiral material conveying sheet 8, and the extruded slurry is sprayed out through the spray nozzle 6; in the rotating process of the rotating shaft 7, the rotating shaft 7 rotates to drive the connecting plate 9 to rotate, the connecting plate 9 rotates to drive the swinging plate 10 to rotate, the swinging plate 10 rotates to drive the nozzle 6 to swing periodically, and the nozzle 6 can uniformly spray slurry by moving the base 1.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (9)
1. The utility model provides an automatic whitewashing equipment for tunnel bridge construction, the on-line screen storage device comprises a base, be equipped with the shower nozzle on the base, a serial communication port, the feed inlet has been seted up to the shower nozzle lower part, the discharge gate has been seted up on shower nozzle upper portion, discharge gate department is equipped with the nozzle, the shower nozzle internal rotation is connected with the pivot, the shower nozzle is stretched out on the upper portion of pivot, pivot upper portion is equipped with the spiral material feeding piece that is used for the extrusion pay-off, the pivot upper end is connected with the connecting plate, one side handing-over of shower nozzle has curved swinging plates, the nozzle is connected on the swinging arms.
2. The automatic guniting equipment for tunnel and bridge construction according to claim 1, wherein a stirring part is arranged at the lower part of the inner side of the nozzle, the stirring part comprises an inner gear ring and a planet carrier which are arranged at the lower part of the inner wall of the nozzle, a plurality of planet gear shafts are rotatably connected to the planet carrier, planet gears are connected to the planet gear shafts, and the planet gears are meshed with a sun gear and both the sun gear.
3. The automatic guniting equipment for tunnel and bridge construction according to claim 1, wherein the swing rod is provided with a sliding chute, a vertical rod is rotatably connected to one end of the connecting plate, which is far away from the rotating shaft, and the vertical rod is slidably connected with the inner wall of the sliding chute.
4. The automatic guniting equipment for tunnel and bridge construction according to claim 1, wherein a support is arranged on one side of the nozzle, a transverse shaft is rotatably connected to the support, and one end, close to the rotating shaft, of the transverse shaft is fixedly connected with the swinging plate.
5. The automatic guniting apparatus for tunnel and bridge construction according to claim 1, wherein the longitudinal section of the upper portion of the nozzle is trapezoidal, and one side of the connecting plate is bent downward and is parallel to the surface of the upper portion of the nozzle.
6. The automatic guniting equipment for tunnel and bridge construction according to claim 1, wherein the driving part is a motor connected to the base, and an output shaft of the motor is arranged upwards and is coaxially connected with the rotating shaft.
7. The automatic guniting equipment for tunnel and bridge construction according to claim 1, wherein a support is arranged at the lower part of the base, and rollers are mounted at the lower part of the support through bearings.
8. The automatic guniting equipment for tunnel and bridge construction according to claim 7, wherein a rubber ring is sleeved on the roller, and anti-skid lines are arranged on the rubber ring.
9. The automatic guniting equipment for tunnel and bridge construction according to claim 8, wherein the rollers are provided with buckles for positioning the rollers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183118.1A CN110952454A (en) | 2019-11-27 | 2019-11-27 | Automatic guniting equipment for tunnel and bridge construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911183118.1A CN110952454A (en) | 2019-11-27 | 2019-11-27 | Automatic guniting equipment for tunnel and bridge construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110952454A true CN110952454A (en) | 2020-04-03 |
Family
ID=69978580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911183118.1A Pending CN110952454A (en) | 2019-11-27 | 2019-11-27 | Automatic guniting equipment for tunnel and bridge construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110952454A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3909212A1 (en) * | 1989-03-21 | 1990-09-27 | Putzmeister Maschf | Apparatus for introducing concrete into tunnel shutterings |
| JPH09144492A (en) * | 1995-11-24 | 1997-06-03 | Mitsui Miike Mach Co Ltd | Control method of operation of traversing device for tunnel operating device, and traversing device for tunnel operating device |
| CN102284915A (en) * | 2011-09-02 | 2011-12-21 | 王宝根 | Through type sand blasting machine capable of automatically recycling circulating fluid |
| CN105834017A (en) * | 2016-03-23 | 2016-08-10 | 山东大学 | Automatic nozzle for spraying concrete in tunnel and construction method thereof |
| CN206951456U (en) * | 2017-07-27 | 2018-02-02 | 重庆卡勒斯通科技有限公司 | A kind of lining concrete in tunnel nano paint coating equipment |
| CN207393217U (en) * | 2017-10-17 | 2018-05-22 | 重庆睿安特盾构技术股份有限公司 | A kind of grouting device on shield machine |
| CN108452969A (en) * | 2017-12-19 | 2018-08-28 | 山西云度知识产权服务有限公司 | A kind of tunnel bridge construction refractory gunning equipment |
| CN208252129U (en) * | 2018-05-18 | 2018-12-18 | 重庆电子工程职业学院 | A kind of construction of shotcrete device |
| CN208686393U (en) * | 2018-09-02 | 2019-04-02 | 罗慧刚 | A kind of automatic spouting plant suitable for railway tunnel |
| CN208816140U (en) * | 2018-09-10 | 2019-05-03 | 宁波金泽新型建材有限公司 | A kind of anti-blocking gypsum mortar pulp shooting machine |
| CN110193435A (en) * | 2019-06-05 | 2019-09-03 | 中旭建设集团有限公司 | A kind of constructing tunnel dust suppression device by water spray |
| CN110280409A (en) * | 2019-06-16 | 2019-09-27 | 深圳市绿恩贝智能科技有限公司 | A kind of high viscosity water paint Intelligent sprayer device |
-
2019
- 2019-11-27 CN CN201911183118.1A patent/CN110952454A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3909212A1 (en) * | 1989-03-21 | 1990-09-27 | Putzmeister Maschf | Apparatus for introducing concrete into tunnel shutterings |
| JPH09144492A (en) * | 1995-11-24 | 1997-06-03 | Mitsui Miike Mach Co Ltd | Control method of operation of traversing device for tunnel operating device, and traversing device for tunnel operating device |
| CN102284915A (en) * | 2011-09-02 | 2011-12-21 | 王宝根 | Through type sand blasting machine capable of automatically recycling circulating fluid |
| CN105834017A (en) * | 2016-03-23 | 2016-08-10 | 山东大学 | Automatic nozzle for spraying concrete in tunnel and construction method thereof |
| CN206951456U (en) * | 2017-07-27 | 2018-02-02 | 重庆卡勒斯通科技有限公司 | A kind of lining concrete in tunnel nano paint coating equipment |
| CN207393217U (en) * | 2017-10-17 | 2018-05-22 | 重庆睿安特盾构技术股份有限公司 | A kind of grouting device on shield machine |
| CN108452969A (en) * | 2017-12-19 | 2018-08-28 | 山西云度知识产权服务有限公司 | A kind of tunnel bridge construction refractory gunning equipment |
| CN208252129U (en) * | 2018-05-18 | 2018-12-18 | 重庆电子工程职业学院 | A kind of construction of shotcrete device |
| CN208686393U (en) * | 2018-09-02 | 2019-04-02 | 罗慧刚 | A kind of automatic spouting plant suitable for railway tunnel |
| CN208816140U (en) * | 2018-09-10 | 2019-05-03 | 宁波金泽新型建材有限公司 | A kind of anti-blocking gypsum mortar pulp shooting machine |
| CN110193435A (en) * | 2019-06-05 | 2019-09-03 | 中旭建设集团有限公司 | A kind of constructing tunnel dust suppression device by water spray |
| CN110280409A (en) * | 2019-06-16 | 2019-09-27 | 深圳市绿恩贝智能科技有限公司 | A kind of high viscosity water paint Intelligent sprayer device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107313580A (en) | It is a kind of can automatic painting building coating paint device | |
| CN109667604B (en) | Working method of slurry spraying device for coal mine tunnel | |
| CN108608715B (en) | Waterproofing membrane production system | |
| CN212690048U (en) | Remote tunnel whitewashing device in pit in colliery | |
| CN208116328U (en) | A kind of large diameter pipeline cleaning device | |
| CN103741951A (en) | Vehicle-borne external drive-type dry and wet concrete injection machine with automatic feed cavity rotor | |
| CN114457981B (en) | Uniform plastering device for inner wall of building decoration | |
| CN214089662U (en) | Watering lorry convenient to adjust watering angle | |
| CN110952454A (en) | Automatic guniting equipment for tunnel and bridge construction | |
| CN116005599A (en) | Annular water delivery structure applied to water pumping and dust falling equipment | |
| CN209886387U (en) | High-pressure rotary spraying device for in-situ soil remediation | |
| CN208413312U (en) | Container bulk material car unloader | |
| KR100771947B1 (en) | Dual painting apparatus for inner suface of pipe | |
| CN110043037A (en) | A kind of cement pump truck convenient for high-altitude conveying | |
| CN215486063U (en) | Movable type guniting device for roadway support | |
| CN216440892U (en) | Wet type spraying machine | |
| CN210729421U (en) | Dosing unit for industrial chemicals with prevent stifled connection structure | |
| CN211566457U (en) | Cement remediation's accelerator ration pumping installations | |
| CN109779658B (en) | Coal mine tunnel is with whitewashing device | |
| CN211337715U (en) | Automatic clearance screw conveyer | |
| CN109026072B (en) | Concrete wet spraying trolley capable of continuously stirring and mixing materials | |
| CN112974023A (en) | Steel structure fluorocarbon paint coating device and method | |
| CN108514705B (en) | Multifunctional fire engine | |
| CN108560921B (en) | Automatic concrete spraying equipment | |
| CN218375316U (en) | But angle regulation's concrete whitewashing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200403 |
|
| RJ01 | Rejection of invention patent application after publication |