CN211500666U - Tunnel concrete maintenance atomizer - Google Patents
Tunnel concrete maintenance atomizer Download PDFInfo
- Publication number
- CN211500666U CN211500666U CN201922024100.9U CN201922024100U CN211500666U CN 211500666 U CN211500666 U CN 211500666U CN 201922024100 U CN201922024100 U CN 201922024100U CN 211500666 U CN211500666 U CN 211500666U
- Authority
- CN
- China
- Prior art keywords
- water
- water pipe
- base
- support
- wall
- 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.)
- Active
Links
Images
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a tunnel concrete maintenance atomizer relates to tunnel construction technical field. The structure of the utility model comprises a base, wherein the top of the base is fixedly connected with an upper water pipe, a water pump and a water tank, the outer wall of the lower part of the base is fixedly connected with a lower water pipe and a wheel device, and the base plays a role in integral support; the water pipes comprise an upper water pipe and a lower water pipe, and the water pipes convey water to the spray heads to maintain the tunnel wall and the ground concrete; the water pump is fixed on the outer wall of the upper part of the base at two sides of the water tank and comprises a first water pump and a second water pump, and the water pump pumps water into the water tank and the water pipe; the water tank, the water tank includes protecting sheathing, zone of heating, temperature sensor and level sensor, the water tank water storage is and the temperature of control water. The utility model discloses but remote control device removes and the maintenance work of spraying water. The water tank of the utility model can regulate and control the water temperature and is used as an intermediary between an external water source and required water.
Description
Technical Field
The invention relates to the technical field of tunnel construction, in particular to a tunnel concrete curing spraying device.
Background
Concrete curing is the artificial creation of certain humidity and temperature conditions that allow the concrete to be normal or accelerate its hardening and strength growth. The concrete curing spraying device in the prior art adopts an automatic spraying device, but cannot move. The concrete curing spraying device in the prior art only cures ground concrete, and does not consider concrete curing of tunnel walls on the left, right and upper sides of a tunnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome prior art immovably, and do not consider the concrete maintenance of tunnel wall.
In order to solve the above technical problems, the present invention provides a tunnel concrete curing spraying apparatus, comprising,
the water pipe device comprises a base, a water pipe support, a water pump and a water tank, wherein the base is in a cuboid plate shape, a cavity is formed in the middle of the base, the base is arranged at the bottom of the device, an upper water pipe, the water pipe support, the water pump and the water tank are fixedly connected to the top of the base, a lower water pipe and a wheel device are fixedly connected to the outer wall of the lower portion of the base, and the base plays;
the water pipes are arranged on the upper side and the lower side of the base and comprise an upper water pipe, the upper water pipe is in the shape of 3/4 circular arcs, a plurality of spray heads are fixedly connected to the outer side wall of the upper water pipe, the upper part of the bottom of the upper water pipe is connected with a water pipe support, two ends of the upper water pipe are respectively fixed to two ends of the base, the left port of the upper water pipe is connected with an outlet of a first water pump, and the upper water pipe conveys water to the upper part to maintain concrete of the tunnel wall; the lower water pipe is linear, a plurality of spray heads are fixed on the outer wall of the lower side of the lower water pipe, the lower water pipe is fixed on the outer wall of the bottom of the base, the left port of the lower water pipe is connected with the outlet of a first water pump, and the lower water pipe conveys water to the lower part to maintain the concrete on the ground of the tunnel;
the water pump is fixed on the outer wall of the upper part of the base at two sides of the water tank and comprises a first water pump, the outlet of the left end of the first water pump is connected with the water pipe, the inlet of the right end of the first water pump is connected with the water outlet of the water tank, and the first water pump pumps the water in the water tank into the water pipe; the outlet at the left end of the second water pump is connected with the water inlet of the water tank, the inlet at the right end of the second water pump is connected with an external water source, and the second water pump pumps water in the external water source into the water tank;
the water tank is fixed in the middle of the top of the base and comprises a protective shell, the protective shell is cuboid, the protective shell wraps the periphery of the water tank, and the protective shell protects an external structure; the heating layer is internally provided with a heating pipe, the heating layer is tightly attached to the inner layer of the protective shell, and the heating layer heats water in the containing cavity; the temperature sensor is arranged at the bottom of the accommodating cavity and transmits temperature information of water in the accommodating cavity to the control center; and the liquid level sensor is arranged on the wall of the top of the containing cavity and transmits the liquid level information of the water in the containing cavity to the control center.
As a further aspect of the present invention: the water pipe support is X type, water pipe support top U type groove joint is on lateral wall under the upper portion water pipe, water pipe support bottom fixed connection is at the base top.
As a further aspect of the present invention: the water pipe support has two, two water pipe supports support respectively in upper portion water pipe central axis to both sides 1/2 department, two water pipe supports play the effect of firm support upper portion water pipe.
As a further aspect of the present invention: the water inlet of the upper water pipe is connected with a first electric control valve, the water inlet of the lower water pipe is connected with a second electric control valve, and the electric control valves are connected with a control center to control water introduced into the water pipes.
As a further aspect of the present invention: a circuit box is arranged in a cavity in the middle of the base, a control center circuit is arranged in the circuit box, and a control center circuit chip can be wirelessly connected with an external control system.
As a further aspect of the present invention: the top end of the rear part of the base is connected with a temperature detection device, the temperature detection device comprises a sensor support, the sensor support is L-shaped, the short rod end of the sensor support is fixed on the upper side wall of the base through a mounting plate, grooves are formed in the top end and the bottom end of a long rod of the sensor support, and the sensor support supports a non-contact sensor; the device comprises two non-contact temperature sensors, wherein the two non-contact temperature sensors are respectively fixed in grooves at the top and the bottom of a sensor support, the non-contact temperature sensors are connected with a control center, and the non-contact temperature sensors measure the temperature of the tunnel wall and the ground concrete.
As a further aspect of the present invention: the temperature detection device has two, two temperature detection device fix respectively on the left side and the right of base rear side, two temperature detection device measure the temperature of two positions and get the mean value, guarantee the accuracy of measuring the temperature.
As a further aspect of the present invention: the wheel device comprises a support column, wherein the support column is cylindrical, a driving motor is arranged in the support column, the driving motor drives a rotating shaft to rotate, the top of the support column is fixed at the bottom of a base, and the support column plays a supporting role; the two wheels are respectively connected to two ends of the rotating shaft, the middle part of the rotating shaft penetrates through the support column, and the wheels facilitate the movement of the device; the brake cylinder, the brake cylinder sets up in the recess of pillar middle part, the wheel inside wall can be hugged closely in the extension of brake cylinder, the brake cylinder increases the frictional force that the wheel receives and rolls in order to slow down the wheel.
As a further aspect of the present invention: the four wheel devices are uniformly fixed at four corners of the bottom of the base and enable the base to stably move.
The invention has the beneficial effects that:
(1) the utility model improves the structure of the water tank, when in use, a user enables a control center in a control system connection circuit box to connect an external water source to a second water pump; the control center control device enables the driving motor and the sensor to be electrified; the non-contact temperature sensor senses the temperature of the tunnel wall and the ground concrete, and the control center analyzes the water temperature required by maintenance; the heating layer heats water in the cavity, the temperature sensor senses the temperature of the water in the water tank and transmits the temperature to the control center, when the temperature reaches the required temperature, the heating layer stops heating, the electric control valve is opened, and the water pump I pumps the water in the water tank into the water pipe; the spray heads on the first water pipe spray water to concrete on the tunnel wall, and the spray heads on the second water pipe spray water to ground concrete; when the water level in the liquid level sensor induction water tank is lower than the standard height, the second water pump works to pump water in an external water source into the water tank to be used. Originally, use novel but remote control device to remove and the maintenance work of spraying water. The novel water tank can regulate and control water temperature and is used as an intermediary between an external water source and required water.
(2) The utility model improves the wheel device, after the maintenance is finished, the driving motor in the pillar drives the rotating shaft to rotate, the wheel rotates and drives the device to move forward, and the maintenance work is carried out on the next place; when the vehicle runs down a slope or goes up a slope, the brake cylinder extends to abut against the inner side wall of the wheel, and friction force is increased to stop the wheel. This use novel wheel device can rotate automatically and can brake fixedly.
Drawings
FIG. 1 is a front view structural diagram of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a view showing the structure of a water tank;
FIG. 4 is a structural view of a temperature detecting device;
fig. 5 is a structural view of the wheel apparatus.
Wherein: the water tank comprises a base 1, an upper water pipe 2, a lower water pipe 3, a spray head 4, a water tank 5, a water outlet 51, a water inlet 52, a protective shell 53, a heating layer 54, a cavity 55, a temperature sensor 56, a liquid level sensor 57, a first water pump 6, a second water pump 7, a first electric control valve 8, a second electric control valve 9, a water pipe support 10, a circuit box 11, a non-contact temperature sensor 12, a sensor support 13, an installation plate 14, wheels 15, a support column 16, a brake cylinder 17 and a rotating shaft 18.
Detailed Description
The structure of the spraying device for tunnel concrete curing provided by this embodiment is shown in fig. 1-5, and includes,
the device comprises a base 1, wherein the base 1 is in a cuboid plate shape, a cavity is arranged in the middle of the base 1, the base 1 is arranged at the bottom of the device, an upper water pipe 2, a water pipe bracket 10, a water pump and a water tank 5 are fixedly connected to the top of the base 1, a lower water pipe 3 and a wheel device are fixedly connected to the outer wall of the lower part of the base 1, and the base 1 plays a role in integral support;
the water pipes are arranged on the upper side and the lower side of the base 1 and comprise an upper water pipe 2, the upper water pipe 2 is in the shape of 3/4 circular arcs, a plurality of spray nozzles 4 are fixedly connected to the outer side wall of the upper water pipe 2, the upper portion of the bottom of the upper water pipe 2 is connected with a water pipe support 10, two ends of the upper water pipe 2 are respectively fixed to two ends of the base 1, the left port of the upper water pipe 2 is connected with an outlet of a first water pump 6, and the upper water pipe 2 conveys water to the upper portion to maintain concrete of a tunnel wall; the tunnel floor concrete curing device comprises a lower water pipe 3, wherein the lower water pipe 3 is linear, a plurality of spray heads 4 are fixed on the outer wall of the lower side of the lower water pipe 3, the lower water pipe 3 is fixed on the outer wall of the bottom of a base 1, the left port of the lower water pipe 3 is connected with the outlet of a first water pump 6, and the lower water pipe 3 conveys water to the lower part to cure the tunnel floor concrete;
the water pump is fixed on the outer wall of the upper part of the base 1 at two sides of the water tank 5 and comprises a first water pump 6, an outlet at the left end of the first water pump 6 is connected with a water pipe, an inlet at the right end of the first water pump 6 is connected with a water outlet 51 of the water tank 5, and the first water pump 6 pumps water in the water tank 5 into the water pipe; the water inlet 52 of the water tank 5 is connected with the outlet at the left end of the second water pump 7, the inlet at the right end of the second water pump 7 is connected with an external water source, and the second water pump 7 pumps water in the external water source into the water tank 5;
the water tank 5 is fixed in the middle of the top of the base 1, the water tank 5 comprises a protective shell 53, the protective shell 53 is cuboid, the protective shell 53 wraps the periphery of the water tank 5, and the protective shell 53 protects an external structure; the heating layer 54 is internally provided with a heating pipe, the heating layer 54 is tightly attached to the inner layer of the protective shell 53, and the heating layer 54 heats water in the containing cavity 55; the temperature sensor 56 is arranged at the bottom of the cavity 55, and the temperature sensor 56 transmits the temperature information of the water in the cavity 55 to the control center; and the liquid level sensor 57 is arranged on the top wall of the cavity 55, and the liquid level sensor 57 transmits the liquid level information of the water in the cavity 55 to the control center.
The water pipe support 10 is X type, water pipe support 10 top U type groove joint is on 2 lower lateral walls of upper portion water pipes, water pipe support 10 bottom fixed connection is at 1 tops of base.
The two water pipe supports 10 are respectively supported at the central axial sides 1/2 of the upper water pipe 2, and the two water pipe supports 10 play a role in stably supporting the upper water pipe 2.
The water inlet of the upper water pipe 2 is connected with a first electric control valve 8, the water inlet of the lower water pipe 3 is connected with a second electric control valve 9, and the electric control valves are connected with a control center to control water introduced into the water pipes.
A circuit box 11 is arranged in a cavity in the middle of the base 1, a control center circuit is arranged in the circuit box 11, and a control center circuit chip can be wirelessly connected with an external control system.
The top end of the rear part of the base 1 is connected with a temperature detection device, the temperature detection device comprises a sensor support 13, the sensor support 13 is L-shaped, the short rod end of the sensor support 13 is fixed on the upper side wall of the base 1 through a mounting plate 14, grooves are formed in the top end and the bottom end of the long rod of the sensor support 13, and the sensor support 13 supports a non-contact temperature sensor 12; the tunnel wall temperature measurement device comprises two non-contact temperature sensors 12, wherein the two non-contact temperature sensors 12 are respectively fixed in grooves at the top and the bottom of a sensor support 13, the non-contact temperature sensors 12 are connected with a control center, and the non-contact temperature sensors 12 measure the temperature of the tunnel wall and the ground concrete.
The temperature detection device has two, two temperature detection device fix respectively on the left side and the right of base 1 rear side, two temperature detection device measure the temperature of two positions and get the mean value, guarantee the accuracy of measuring the temperature.
The wheel device comprises a support column 16, wherein the support column 16 is cylindrical, a driving motor is arranged in the support column 16 and drives a rotating shaft 18 to rotate, the top of the support column 16 is fixed at the bottom of a base 1, and the support column 16 plays a supporting role; the two wheels 15 are respectively connected to two ends of a rotating shaft 18, the middle part of the rotating shaft 18 penetrates through a support column 16, and the wheels 15 facilitate the movement of the device; brake cylinder 17, brake cylinder 17 sets up in the recess of pillar 16 middle part, the extension of brake cylinder 17 can hug closely the 15 inside walls of wheel, brake cylinder 17 increases the frictional force that wheel 15 received and rolls in order to slow down wheel 15.
The four wheel devices are uniformly fixed at four corners of the bottom of the base 1 and enable the base 1 to stably move.
The utility model discloses a theory of operation: when in use, a user enables the control system to connect with the control center in the circuit box 11, and the second water pump 7 is connected with an external water source; the control center control device enables the driving motor and the sensor to be electrified; the non-contact temperature sensor 12 senses the temperature of the tunnel wall and the ground concrete, and the control center analyzes the water temperature required by maintenance; the heating layer 54 heats water in the cavity 55, the temperature sensor 56 senses the temperature of the water in the water tank 5 and transmits the temperature to the control center, when the temperature reaches the required temperature, the heating layer 54 stops heating, the electric control valve is opened, and the first water pump 6 pumps the water in the water tank 5 into a water pipe; the spray head 4 on the first water pipe 2 sprays water to concrete on the tunnel wall, and the spray head 4 on the second water pipe 3 sprays water to ground concrete; after the maintenance is finished, the driving motor in the strut 16 drives the rotating shaft 18 to rotate, and the wheels 15 rotate to drive the device to move forwards to perform maintenance work on the next position; when a downhill slope or an uphill slope is met, the brake cylinder 17 extends to abut against the inner side wall of the wheel 15, and friction force is increased to stop the wheel; when the liquid level sensor 57 senses that the water level in the water tank 5 is lower than the standard height, the second water pump 7 works to pump water in an external water source into the water tank 5 to be used. Originally, use novel but remote control device to remove and the maintenance work of spraying water. The novel water tank 5 can regulate and control water temperature and is used as an intermediary between an external water source and required water.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (6)
1. A tunnel concrete curing and spraying device is characterized by comprising,
the device comprises a base (1), wherein the base (1) is in a cuboid plate shape, a cavity is formed in the middle of the base (1), the base (1) is arranged at the bottom of the device, an upper water pipe (2), a water pipe support (10), a water pump and a water tank (5) are fixedly connected to the top of the base (1), a lower water pipe (3) and a wheel device are fixedly connected to the outer wall of the lower portion of the base (1), and the base (1) plays a role in integral supporting;
the water pipes are arranged on the upper side and the lower side of the base (1) and comprise an upper water pipe (2), the upper water pipe (2) is in the shape of 3/4 circular arcs, a plurality of spray heads (4) are fixedly connected to the outer side wall of the upper water pipe (2), a water pipe support (10) is connected to the upper portion of the bottom of the upper water pipe (2), two ends of the upper water pipe (2) are respectively fixed to two ends of the base (1), the left port of the upper water pipe (2) is connected with an outlet of a first water pump (6), and the upper water pipe (2) conveys water to the upper portion to maintain concrete on the tunnel wall; the tunnel floor concrete curing device comprises a lower water pipe (3), wherein the lower water pipe (3) is linear, a plurality of spray heads (4) are fixed on the outer wall of the lower side of the lower water pipe (3), the lower water pipe (3) is fixed on the outer wall of the bottom of a base (1), the left end opening of the lower water pipe (3) is connected with an outlet of a first water pump (6), and the lower water pipe (3) conveys water to the lower part to cure tunnel floor concrete;
the water pump is fixed on the outer wall of the upper part of the base (1) on two sides of the water tank (5), the water pump comprises a first water pump (6), an outlet at the left end of the first water pump (6) is connected with a water pipe, an inlet at the right end of the first water pump (6) is connected with a water outlet (51) of the water tank (5), and the first water pump (6) pumps water in the water tank (5) into the water pipe; the water pump (7) is connected with the water inlet (52) of the water tank (5) at the outlet of the left end of the water pump (7), the inlet of the right end of the water pump (7) is connected with an external water source, and the water pump (7) pumps water in the external water source into the water tank (5);
the water tank (5), the water tank (5) is fixed in the middle of the top of the base (1), the water tank (5) comprises a protective shell (53), the protective shell (53) is cuboid, the protective shell (53) wraps the periphery of the water tank (5), and the protective shell (53) protects an external structure; the heating layer (54) is internally provided with a heating pipe, the heating layer (54) is tightly attached to the inner layer of the protective shell (53), and the heating layer (54) heats water in the cavity (55); the temperature sensor (56), the temperature sensor (56) is arranged at the bottom of the cavity (55), and the temperature sensor (56) transmits the temperature information of the water in the cavity (55) to the control center; the liquid level sensor (57), liquid level sensor (57) set up on holding chamber (55) top wall, liquid level sensor (57) transmit the liquid level information of holding chamber (55) normal water to control center.
2. The spraying device for tunnel concrete curing according to claim 1, characterized in that: the top end of the rear part of the base (1) is connected with a temperature detection device, the temperature detection device comprises a sensor support (13), the sensor support (13) is L-shaped, the short rod end of the sensor support (13) is fixed on the upper side wall of the base (1) through a mounting plate (14), grooves are formed in the top end and the bottom end of the long rod of the sensor support (13), and the sensor support (13) supports a non-contact temperature sensor (12); the tunnel wall temperature measurement device comprises two non-contact temperature sensors (12), wherein the two non-contact temperature sensors (12) are respectively fixed in grooves at the top and the bottom of a sensor support (13), the non-contact temperature sensors (12) are connected with a control center, and the non-contact temperature sensors (12) measure the temperature of the tunnel wall and the ground concrete.
3. The spraying device for tunnel concrete curing according to claim 1, characterized in that: the wheel device comprises a support column (16), wherein the support column (16) is cylindrical, a driving motor is arranged in the support column (16), the driving motor drives a rotating shaft (18) to rotate, the top of the support column (16) is fixed at the bottom of a base (1), and the support column (16) plays a supporting role; the two wheels (15) are respectively connected to two ends of a rotating shaft (18), the middle part of the rotating shaft (18) penetrates through a support column (16), and the wheels (15) facilitate the movement of the device; brake cylinder (17), brake cylinder (17) set up in the recess of pillar (16) middle part, wheel (15) inside wall can be hugged closely in brake cylinder (17) extension, brake cylinder (17) increase wheel (15) receive frictional force in order to slow down wheel (15) roll.
4. The spraying device for tunnel concrete curing according to claim 1, characterized in that: the water pipe support (10) is X type, water pipe support (10) top U type groove joint is on lateral wall under upper portion water pipe (2), water pipe support (10) bottom fixed connection is at base (1) top.
5. The spraying device for tunnel concrete curing according to claim 1, characterized in that: the water pipe support (10) have two, two water pipe supports (10) support respectively in upper portion water pipe (2) central axis to both sides 1/2 department, two water pipe supports (10) play the effect of firm support upper portion water pipe (2).
6. The spraying device for tunnel concrete curing according to claim 1, characterized in that: the water inlet of the upper water pipe (2) is connected with a first electric control valve (8), the water inlet of the lower water pipe (3) is connected with a second electric control valve (9), and the electric control valves are connected with a control center to control water introduced into the water pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922024100.9U CN211500666U (en) | 2019-11-21 | 2019-11-21 | Tunnel concrete maintenance atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922024100.9U CN211500666U (en) | 2019-11-21 | 2019-11-21 | Tunnel concrete maintenance atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211500666U true CN211500666U (en) | 2020-09-15 |
Family
ID=72410637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922024100.9U Active CN211500666U (en) | 2019-11-21 | 2019-11-21 | Tunnel concrete maintenance atomizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211500666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228114A (en) * | 2020-10-14 | 2021-01-15 | 四川港航建设工程有限公司 | Water delivery tunnel lining and construction method |
-
2019
- 2019-11-21 CN CN201922024100.9U patent/CN211500666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112228114A (en) * | 2020-10-14 | 2021-01-15 | 四川港航建设工程有限公司 | Water delivery tunnel lining and construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211500666U (en) | Tunnel concrete maintenance atomizer | |
| CN107599745B (en) | Walking robot and control method thereof | |
| CN209584796U (en) | A kind of pavement detection vehicle that flatness detection effect is good | |
| CN207371763U (en) | Flush coater with spraying elevator structure | |
| US20180186612A1 (en) | Lifting Device for Lifting a Vehicle with Integrated Motor Control, and System and Method Therefor | |
| CN101983893B (en) | The structure of the electric power-assisting sensor on back fork of bicycle | |
| CN207343077U (en) | Flush coater for aluminium plate surface spraying | |
| CN201849628U (en) | Structure of electric power-assisted sensor on rear fork of bicycle | |
| CN210513546U (en) | Be convenient for detect building outer wall infiltration equipment | |
| CN205932694U (en) | Pay -off's elevating system | |
| CN220133982U (en) | Bridge tunnel maintenance humidifier | |
| CN208143999U (en) | greenhouse spraying detection device | |
| HRP20201622T1 (en) | Wheel for trolleys and production method thereof | |
| CN217980682U (en) | Air tightness detection device | |
| CN109127222A (en) | A kind of Machining Automobile Wheel Hub Mould rotary spraying machine people | |
| CN207109528U (en) | Road detection vehicle | |
| CN215197845U (en) | A application equipment for new energy automobile brake disc | |
| CN210116024U (en) | Intelligent concrete health-preserving system | |
| CN211080339U (en) | Indoor simulation spraying device for slurry sand stabilization | |
| CN209624008U (en) | A kind of measuring device | |
| CN113882874A (en) | Full-automatic spraying and curing device for large-section diversion tunnel concrete lining | |
| CN219176340U (en) | Rail-mounted intelligent maintenance trolley | |
| CN207871324U (en) | A kind of high pressure fire fighting water cannon | |
| CN210399360U (en) | Novel industrial full-automatic humidifier | |
| CN216617565U (en) | Tunnel spraying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |