CN112647521A - Concrete sprayer for tunnel construction - Google Patents
Concrete sprayer for tunnel construction Download PDFInfo
- Publication number
- CN112647521A CN112647521A CN202110084014.6A CN202110084014A CN112647521A CN 112647521 A CN112647521 A CN 112647521A CN 202110084014 A CN202110084014 A CN 202110084014A CN 112647521 A CN112647521 A CN 112647521A
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- China
- Prior art keywords
- fixed
- base
- side wall
- head
- handle
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- 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.)
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/20—Securing of slopes or inclines
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides a concrete sprayer for tunnel construction, which structurally comprises a base, a spraying device and a spraying device, wherein the base is provided with a plurality of spraying holes; the device comprises wheels, a meter box, an injection machine structure, a fence, a supporting structure, a support structure, a winding structure and a limiting block, wherein the wheels are arranged on the bottom surface of the base; the meter box is arranged at one end of the top surface of the base; the sprayer structure is arranged in the middle of the top surface of the base; the fence is fixed at the edge of one end of the top surface of the base; the supporting structure is fixed at the other end of the top surface of the base; the support structure is arranged at the top end of the support head; the rolling structure is fixed in the surface of base, the stopper is fixed in respectively the lateral wall on telescopic shaft top with telescopic lateral wall. The invention provides a concrete sprayer for tunnel construction, which has the advantages of fixedly supporting a sprayer head, reducing the workload of workers and facilitating flexible operation.
Description
Technical Field
The invention relates to the technical field of concrete sprayers, in particular to a concrete sprayer for tunnel construction.
Background
In the prior art, cement, river sand and water are generally adopted in a concrete spraying process in a slope support project in tunnel construction, and concrete spraying concrete is sprayed on a wall surface through a concrete sprayer.
Some concrete spraying machines of prior art, because the shower head spun concrete volume is great, and the recoil of spouting the concrete is also great, and the pipe of intercommunication shower head is also longer, great increase weight, make the workman physical demands who holds the shower head huge, the long operating time causes the workman physical strength to be short easily, leads to the phenomenon of workman injured to take place.
Therefore, it is necessary to provide a concrete sprayer for tunnel construction to solve the above-mentioned technical problems.
Disclosure of Invention
The concrete sprayer for tunnel construction solves the technical problems that a sprayer head is fixedly supported, a guide pipe is automatically rolled, the workload of workers is reduced, and flexible operation is facilitated.
In order to solve the above technical problems, the present invention provides a concrete sprayer for tunnel construction, comprising: a base; the device comprises wheels, a meter box, an injection machine structure, a fence, a supporting structure, a support structure, a winding structure and a limiting block, wherein the wheels are arranged on the bottom surface of the base; the meter box is arranged at one end of the top surface of the base; the spraying machine structure is arranged in the middle of the top surface of the base and comprises a spraying machine, a guide pipe, a spraying head, a handle and a joint, the spraying machine is arranged in the middle of the top surface of the base, the guide pipe is connected to the side wall of one end of the spraying machine, the spraying head is fixed to one end of the guide pipe, the handle is fixed to the side wall of the spraying head, and two ends of the joint are connected with the two guide pipes; the fence is fixed at the edge of one end of the top surface of the base; the supporting structure is fixed at the other end of the top surface of the base and comprises a telescopic shaft, a sleeve, a hydraulic pipe, a switch, a fixed seat and a supporting head, the fixed seat is fixed at the other end of the top surface of the base, the sleeve is fixed at the top end of the fixed seat, the telescopic shaft is installed at one end of the sleeve, the switch is installed at the edge of the fixed seat, the supporting head is fixed at the top end of the telescopic shaft, and the hydraulic pipe is fixed on the side wall of the sleeve; the support structure is arranged at the top end of the support head and comprises a fixed frame, a handle, a telescopic rod, a nut, a fixed groove and a stop block, the fixed frame is arranged at the top end of the support head, the fixed groove is arranged at one end of the top surface of the fixed frame, the stop block is fixed on the inner side wall of the fixed groove, the nut is in threaded connection with the side wall of one end of the fixed frame, the telescopic rod is arranged on the side wall of the nut, and the handle is fixed on the side wall of one end of the telescopic rod; the winding structure is fixed on the surface of the base and comprises a support, a baffle, a spring and a rotating shaft, the support is fixed on the surface of the base, the baffle is fixed at the top end of the support, the spring is fixed inside the baffle, and the rotating shaft penetrates through the baffle; the limiting blocks are respectively fixed on the side wall of the top end of the telescopic shaft and the side wall of the sleeve.
Preferably, the switch is a pedal switch, the switch controls the telescopic state of the telescopic rod, and the length of the conduit is greater than the maximum extending length of the telescopic rod.
Preferably, the fixing frame is in rolling connection with the supporting head.
Preferably, the inner diameter of the fixing frame is larger than the diameter of the injection head, and the handle slides on the side wall of the fixing frame.
Preferably, the stop blocks are made of rubber, the handle is arc-shaped, and the distance between the two stop blocks is smaller than the diameter of the handle.
Preferably, the telescopic rod is rotatably connected with the nut, and the length of the telescopic rod changes along with the change of the extending length of the telescopic shaft.
Preferably, the rotating shaft is rotatably connected with the baffle, and two ends of the clockwork spring are respectively fixed in the baffle and the side wall of the rotating shaft.
Compared with the prior art, the concrete sprayer for tunnel construction provided by the invention has the following beneficial effects:
the invention provides a concrete sprayer for tunnel construction, when the concrete sprayer is used, a worker stands between a support structure and a sprayer structure, one end of the sprayer structure spraying concrete is fixed in the support structure, the worker can control the direction of the support structure at the top end of the support structure by controlling the support structure, the support structure controls the direction of the sprayer structure spraying concrete, the support structure controls the position of the sprayer spraying concrete by controlling the lifting of the support structure, one of two guide pipes is limited on the side wall of the support structure by a limiting block, the guide pipes cannot influence the work of the worker, the guide pipes also need to extend and contract while the support structure is telescopic, and the guide pipes are retracted and placed on a rolling structure, and the other catheter cannot be influenced when the catheter is wound and unwound on the winding structure, and the device has the advantages of fixedly supporting the injection machine head, reducing the workload of workers and being convenient to operate flexibly.
Drawings
FIG. 1 is a schematic structural view of a concrete sprayer for tunnel construction according to a preferred embodiment of the present invention;
FIG. 2 is a schematic side view of the structure shown in FIG. 1;
FIG. 3 is a schematic view of the fixing frame shown in FIG. 1;
FIG. 4 is a schematic view of the rolling structure shown in FIG. 1;
fig. 5 is a view of the internal structure of the rolling structure shown in fig. 1.
Reference numbers in the figures: 1. the automatic winding device comprises a base, 2, wheels, 3, an injection machine structure, 31, an injection machine, 32, a conduit, 33, an injection head, 34, a handle, 35, a joint, 4, a supporting structure, 41, a telescopic shaft, 42, a sleeve, 43, a hydraulic pipe, 44, a switch, 45, a fixed seat, 46, a supporting head, 5, a supporting structure, 51, a fixed frame, 52, a handle, 53, a telescopic rod, 54, a nut, 55, a fixed groove, 56, a stop block, 6, a fence, 7, a meter box, 8, a winding structure, 81, a support, 82, a baffle, 83, a clockwork spring, 84, a rotating shaft, 9 and a limiting block.
Detailed Description
The invention is further described with reference to the following figures and embodiments.
Referring to fig. 1, 2, 3, 4 and 5, the concrete sprayer for tunnel construction according to the present invention includes: a base 1; the device comprises wheels 2, a meter box 7, an injection machine structure 3, a fence 6, a supporting structure 4, a support structure 5, a winding structure 8 and a limiting block 9, wherein the wheels 2 are arranged on the bottom surface of the base 1; the meter box 7 is arranged at one end of the top surface of the base 1; the sprayer structure 3 is arranged in the middle of the top surface of the base 1, the sprayer structure 3 comprises a sprayer 31, a guide pipe 32, a spray head 33, a handle 34 and a joint 35, the sprayer 31 is arranged in the middle of the top surface of the base 1, the guide pipe 32 is connected to the side wall of one end of the sprayer 31, the spray head 33 is fixed to one end of the guide pipe 32, the handle 34 is fixed to the side wall of the spray head 33, and two ends of the joint 35 are connected with the two guide pipes 32; the fence 6 is fixed at the edge of one end of the top surface of the base 1; the supporting structure 4 is fixed at the other end of the top surface of the base 1, the supporting structure 4 comprises a telescopic shaft 41, a sleeve 42, a hydraulic pipe 43, a switch 44, a fixed seat 45 and a supporting head 46, the fixed seat 45 is fixed at the other end of the top surface of the base 1, the sleeve 42 is fixed at the top end of the fixed seat 45, the telescopic shaft 41 is installed at one end of the sleeve 42, the switch 44 is installed at the edge of the fixed seat 45, the supporting head 46 is fixed at the top end of the telescopic shaft 41, and the hydraulic pipe 43 is fixed at the side wall of the sleeve 42; the support structure 5 is mounted at the top end of the support head 46, the support structure 5 comprises a fixed frame 51, a handle 52, an expansion link 53, a nut 54, a fixed groove 55 and a stop block 56, the fixed frame 51 is mounted at the top end of the support head 46, the fixed groove 55 is arranged at one end of the top surface of the fixed frame 51, the stop block 56 is fixed on the inner side wall of the fixed groove 55, the nut 54 is in threaded connection with the side wall of one end of the fixed frame 51, the expansion link 53 is mounted on the side wall of the nut 54, and the handle 52 is fixed on the side wall of one end of the expansion; the winding structure 8 is fixed on the surface of the base 1, the winding structure 8 comprises a bracket 81, a baffle 82, a spring 83 and a rotating shaft 84, the bracket 81 is fixed on the surface of the base 1, the baffle 82 is fixed at the top end of the bracket 81, the spring 83 is fixed inside the baffle 82, and the rotating shaft 84 penetrates through the baffle 82; the limiting block 9 is fixed on the side wall of the top end of the telescopic shaft 41 and the side wall of the sleeve 42 respectively.
In a specific implementation process, as shown in fig. 1, the switch 44 is a pedal-type switch 44, the switch 44 controls the telescopic state of the telescopic rod 53, and the length of the conduit 32 is greater than the maximum extending length of the telescopic rod 53, so that a worker can conveniently control the telescopic rod 53 to extend and retract when spraying concrete.
In the specific implementation process, as shown in fig. 1 and 2, the fixing frame 51 is in rolling connection with the supporting head 46, so that the worker can control the direction of spraying the concrete by the spraying head 33.
In a specific implementation process, as shown in fig. 1, the inner diameter of the fixing frame 51 is greater than the diameter of the spray head 33, and the handle 34 slides on the side wall of the fixing frame 51, so that the spray head 33 is conveniently sleeved inside the fixing frame 51, and a worker can conveniently control the spray head.
In a specific implementation process, as shown in fig. 3, the stoppers 56 are made of rubber, the handle 34 is arc-shaped, and a distance between two stoppers 56 is smaller than a diameter of the handle 34, so that the handle slides in the fixing groove, the stoppers 56 limit the movement of the handle 34, and the injector head is fixed inside the fixing frame.
In a specific implementation process, as shown in fig. 1 and 2, the telescopic rod 53 is rotatably connected with the nut 54, and the length of the telescopic rod 53 changes along with the length of the telescopic shaft 41, so that when a worker controls the telescopic shaft 41 to extend upwards, the worker can conveniently control the spraying direction of the spraying head 33 through the telescopic rod 53.
In a specific implementation process, as shown in fig. 1 and 2, the rotating shaft 84 is rotatably connected with the baffle 82, and two ends of the spring 83 are respectively fixed inside the baffle 82 and inside a side wall of the rotating shaft 84, so that the conduit 32 is conveniently stored and released, the conduit 32 does not affect the work of workers, and the load of the workers is reduced.
The invention provides a concrete sprayer for tunnel construction, which has the following working principle: when spraying concrete to the wall of a tunnel, firstly, a worker stands on the surface of the base 1 and is positioned between the sleeve 42 and the spraying machine 31, the spraying head 33 is inserted into the inside of the fixed frame 51, the handle 34 slides in the fixed groove 55, when the spraying head 33 enters a certain length, the handle 34 abuts against the inner side wall of the fixed groove 55, then the handle 34 is pulled backwards by slightly rotating the spraying head, the stop block 56 which enables the side wall of the handle 34 to pass through is enabled to enable the fixed groove 55 to limit the movable position of the handle 34, the spraying head 33 is fixed in the fixed frame 51, then the worker holds the handle 52, drives the telescopic rod 53 to rotate on the side wall of the fixed frame 51, adjusts the angle between the telescopic rod 53 and the fixed frame 51, then the nut 54 is rotated, and one end of the telescopic rod 53 is clamped between the nut 54 and the side wall of the fixed frame 51, then the worker controls the fixing frame 51 through the handle 52, so that the fixing frame is fixed on the supporting head 46 to roll, the direction of the spraying head 33 for spraying concrete is controlled, the worker steps on the switch 44 with feet, the telescopic shaft 41 slides up and down at one end of the sleeve 42, so as to control the position of the spraying head 33 for spraying concrete, when the telescopic shaft 41 ascends, the fixing frame 51 is driven to ascend, the telescopic rod 53 also extends, then the guide pipe 32 is pulled to rotate and release on the rotating shaft 84, the two ends of the rotating shaft 84 are rotatably connected with the baffle 82, the clockwork spring 83 is installed inside the baffle 82, the two ends of the clockwork spring 83 are respectively fixed inside the baffle 82 and the side wall of the rotating shaft 84, the rotating shaft 84 compresses the clockwork spring 83, the joint 35 is fixed inside one end of the rotating shaft 84, the two ends of the joint 35 are respectively connected with the two guide pipes 32 in a rotating mode, so that the guide pipes 32 wound on the side wall of the rotating shaft 84 cannot influence the other guide pipe 32 when being folded and unfolded, one guide pipe 32 is wound under the limit of the limit block 9, the guide pipes 32 are stretched under the limit of the limit block 9, when the telescopic shaft 41 descends, the guide pipes 32 are wound automatically under the elastic force of the spiral spring 83 at the two ends of the rotating shaft 84, operation of workers is facilitated, and the device has the advantages of being capable of fixedly supporting the injection machine head, reducing work burden of the workers and being convenient to operate flexibly.
Compared with the prior art, the invention provides a concrete sprayer for tunnel construction, which has the following beneficial effects:
the invention provides a concrete sprayer for tunnel construction, when the sprayer is used, a worker stands between a support structure 4 and a sprayer structure 3, one end of the sprayer structure 3 spraying concrete is fixed in a support structure 5, the worker can control the direction of the support structure 5 at the top end of the support structure 4 by controlling the support structure 5, the support structure 5 controls the direction of the sprayer structure 3 spraying concrete, the support structure 4 controls the position of the sprayer 31 spraying concrete by controlling the lifting of the support structure 4, one of two guide pipes 32 is limited on the side wall of the support structure 4 by a limiting block 9, so that the guide pipes 32 do not influence the work of the worker, the guide pipes 32 also need to extend and contract when the support structure 4 extends and contracts, the guide pipe 32 is made to be folded and unfolded on the winding structure, the other guide pipe 32 cannot be influenced when the guide pipe 32 is folded and unfolded on the winding structure 8, and the device has the advantages that the spraying machine head is fixedly supported, the workload of workers is reduced, and flexible operation is facilitated.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a concrete sprayer for tunnel construction which characterized in that includes:
a base (1);
the wheels (2), the wheels (2) are installed on the bottom surface of the base (1);
the meter box (7), the meter box (7) is arranged at one end of the top surface of the base (1);
the spraying machine structure (3) is installed at the middle of the top surface of the base (1), the spraying machine structure (3) comprises a spraying machine (31), a guide pipe (32), a spraying head (33), a handle (34) and a joint (35), the spraying machine (31) is installed at the middle of the top surface of the base (1), the guide pipe (32) is connected to the side wall of one end of the spraying machine (31), the spraying head (33) is fixed to one end of the guide pipe (32), the handle (34) is fixed to the side wall of the spraying head (33), and two ends of the joint (35) are connected with the two guide pipes (32);
the fence (6), the said fence (6) is fixed to the edge of one end of top surface of the said base (1);
the supporting structure (4) is fixed to the other end of the top surface of the base (1), the supporting structure (4) comprises a telescopic shaft (41), a sleeve (42), a hydraulic pipe (43), a switch (44), a fixed seat (45) and a supporting head (46), the fixed seat (45) is fixed to the other end of the top surface of the base (1), the sleeve (42) is fixed to the top end of the fixed seat (45), the telescopic shaft (41) is installed at one end of the sleeve (42), the switch (44) is installed at the edge of the fixed seat (45), the supporting head (46) is fixed to the top end of the telescopic shaft (41), and the hydraulic pipe (43) is fixed to the side wall of the sleeve (42);
the support structure (5) is mounted at the top end of the support head (46), the support structure (5) comprises a fixed frame (51), a handle (52), an expansion rod (53), a nut (54), a fixed groove (55) and a stop block (56), the fixed frame (51) is mounted at the top end of the support head (46), the fixed groove (55) is arranged at one end of the top surface of the fixed frame (51), the stop block (56) is fixed on the inner side wall of the fixed groove (55), the nut (54) is in threaded connection with the side wall of one end of the fixed frame (51), the expansion rod (53) is mounted on the side wall of the nut (54), and the handle (52) is fixed on the side wall of one end of the expansion rod (53);
the winding structure (8) is fixed on the surface of the base (1), the winding structure (8) comprises a support (81), a baffle (82), a spring (83) and a rotating shaft (84), the support (81) is fixed on the surface of the base (1), the baffle (82) is fixed at the top end of the support (81), the spring (83) is fixed inside the baffle (82), and the rotating shaft (84) penetrates through the baffle (82);
the limiting blocks (9), the limiting blocks (9) are respectively fixed on the side wall of the top end of the telescopic shaft (41) and the side wall of the sleeve (42).
2. The concrete sprayer for tunnel construction according to claim 1, characterized in that the switch (44) is a pedal-type switch (44), the switch (44) controls the telescopic state of the telescopic rod (53), and the length of the conduit (32) is greater than the maximum length of the telescopic rod (53).
3. The concrete sprayer for tunnel construction according to claim 1, characterized in that the fixing frame (51) is in rolling connection with the support head (46).
4. The concrete sprayer for tunnel construction according to claim 1, wherein the inner diameter of the fixing frame (51) is larger than the diameter of the spray head (33), and the handle (34) slides on the side wall of the fixing frame (51).
5. The concrete sprayer for tunnel construction according to claim 1, characterized in that the stop blocks (56) are made of rubber, the handle (34) is arc-shaped, and the distance between the two stop blocks (56) is smaller than the diameter of the handle (34).
6. The concrete sprayer for tunnel construction according to claim 1, characterized in that the telescopic rod (53) is rotatably connected with the nut (54), and the length of the telescopic rod (53) is changed along with the extension length of the telescopic shaft (41).
7. The concrete sprayer for tunnel construction according to claim 1, wherein the rotating shaft (84) is rotatably connected with the baffle (82), and both ends of the spring (83) are respectively fixed inside the baffle (82) and inside the side wall of the rotating shaft (84).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110084014.6A CN112647521A (en) | 2021-01-21 | 2021-01-21 | Concrete sprayer for tunnel construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110084014.6A CN112647521A (en) | 2021-01-21 | 2021-01-21 | Concrete sprayer for tunnel construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112647521A true CN112647521A (en) | 2021-04-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110084014.6A Pending CN112647521A (en) | 2021-01-21 | 2021-01-21 | Concrete sprayer for tunnel construction |
Country Status (1)
| Country | Link |
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| CN (1) | CN112647521A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293674A (en) * | 2021-05-28 | 2021-08-24 | 朱桂香 | Grouting device is used in road and bridge construction |
| CN115012418A (en) * | 2022-06-15 | 2022-09-06 | 中建八局轨道交通建设有限公司 | Adjustable air compression injection machine hand gun for foundation pit slope construction |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001295595A (en) * | 2000-04-13 | 2001-10-26 | Ishikawajima Harima Heavy Ind Co Ltd | Shotcrete machine |
| CN107905538A (en) * | 2017-12-06 | 2018-04-13 | 湖南文理学院 | A kind of concrete sprayer easy to safeguard |
| CN208184747U (en) * | 2018-04-25 | 2018-12-04 | 山西潞安环保能源开发股份有限公司常村煤矿 | It is a kind of to go up and down universal gunite concrete spray gun certainly |
| CN110259059A (en) * | 2019-07-06 | 2019-09-20 | 阜阳市金亮涂料有限公司 | A kind of decoration painting wall material spray sprayer |
| CN209633483U (en) * | 2018-12-26 | 2019-11-15 | 中建二局第二建筑工程有限公司 | A kind of building construction cutter device |
| CN211245885U (en) * | 2019-12-17 | 2020-08-14 | 泉州市锦尚汽车科技有限公司 | Comprehensive vehicle inflammable volatile matter monitoring device |
| CN211286677U (en) * | 2019-09-27 | 2020-08-18 | 姚燕霞 | Concrete nozzle and concrete sprayer |
| CN212284505U (en) * | 2020-05-14 | 2021-01-05 | 温州市意利洁具有限公司 | Tap convenient for washing hair |
| CN112227392A (en) * | 2020-09-16 | 2021-01-15 | 上海泓建建筑工程有限公司 | Device for reducing underground water level |
-
2021
- 2021-01-21 CN CN202110084014.6A patent/CN112647521A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001295595A (en) * | 2000-04-13 | 2001-10-26 | Ishikawajima Harima Heavy Ind Co Ltd | Shotcrete machine |
| CN107905538A (en) * | 2017-12-06 | 2018-04-13 | 湖南文理学院 | A kind of concrete sprayer easy to safeguard |
| CN208184747U (en) * | 2018-04-25 | 2018-12-04 | 山西潞安环保能源开发股份有限公司常村煤矿 | It is a kind of to go up and down universal gunite concrete spray gun certainly |
| CN209633483U (en) * | 2018-12-26 | 2019-11-15 | 中建二局第二建筑工程有限公司 | A kind of building construction cutter device |
| CN110259059A (en) * | 2019-07-06 | 2019-09-20 | 阜阳市金亮涂料有限公司 | A kind of decoration painting wall material spray sprayer |
| CN211286677U (en) * | 2019-09-27 | 2020-08-18 | 姚燕霞 | Concrete nozzle and concrete sprayer |
| CN211245885U (en) * | 2019-12-17 | 2020-08-14 | 泉州市锦尚汽车科技有限公司 | Comprehensive vehicle inflammable volatile matter monitoring device |
| CN212284505U (en) * | 2020-05-14 | 2021-01-05 | 温州市意利洁具有限公司 | Tap convenient for washing hair |
| CN112227392A (en) * | 2020-09-16 | 2021-01-15 | 上海泓建建筑工程有限公司 | Device for reducing underground water level |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293674A (en) * | 2021-05-28 | 2021-08-24 | 朱桂香 | Grouting device is used in road and bridge construction |
| CN115012418A (en) * | 2022-06-15 | 2022-09-06 | 中建八局轨道交通建设有限公司 | Adjustable air compression injection machine hand gun for foundation pit slope construction |
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Application publication date: 20210413 |
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| RJ01 | Rejection of invention patent application after publication |