CN114150557A - A self-propelled device of surveying of road and bridge for civil engineering - Google Patents
A self-propelled device of surveying of road and bridge for civil engineering Download PDFInfo
- Publication number
- CN114150557A CN114150557A CN202111459567.1A CN202111459567A CN114150557A CN 114150557 A CN114150557 A CN 114150557A CN 202111459567 A CN202111459567 A CN 202111459567A CN 114150557 A CN114150557 A CN 114150557A
- Authority
- CN
- China
- Prior art keywords
- rods
- machine body
- road
- civil engineering
- mounting
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Power Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a road and bridge self-propelled survey device for civil engineering, which comprises: the device comprises a machine body, a connecting piece and a control device, wherein an installation cavity is formed in the machine body; the moving assembly comprises four rotating rods, four rollers and a transmission part, wherein the four rotating rods are symmetrically and horizontally rotatably arranged on the left and right cavity walls of the installation cavity respectively; the locking assembly comprises two mounting plates fixedly mounted on the surface of the roller and two spring rods fixedly mounted with the two mounting plates respectively, the rotating rod extends out of the machine body, one end of the rotating rod is provided with a through groove, the surface of the rotating rod is provided with two locking ports respectively used for enabling the end parts of the two spring rods to extend into the locking ports, and the spring rods are fixedly sleeved with moving plates. The work of installation and dismantlement between gyro wheel and the bull stick can be realized fast through mutually supporting between two spring levers, two locking openings and the two movable plates in the locking subassembly, has avoided the loaded down with trivial details step of using screw nut mounting, convenient and fast.
Description
Technical Field
The invention relates to the technical field of road surveying, in particular to a road and bridge self-propelled surveying device for civil engineering.
Background
Road and bridge are in the construction completion back, generally need use survey device to detect the bridge floor, carry out the later stage maintenance through the circumstances such as the hole and the crack of video recording record road surface, specifically support a dolly that has camera equipment through a plurality of gyro wheels and remove, and at the in-process that removes, camera equipment can carry out the video recording and upload with the environment on every side.
The gyro wheel among the present survey device supports self to carry out the essential element that removes, consequently needs the staff regularly to inspect the gyro wheel, if meet and have comparatively serious damage just need to change, and the gyro wheel that can have now generally all is fixed the cover through screw nut mounting and is being connected on the bull stick, and is dismantling and the process of installation comparatively loaded down with trivial details to it.
Disclosure of Invention
The invention aims to solve the following defects in the prior art, the prior roller is generally fixedly sleeved on a rotating rod through a screw and nut fixing piece, and the process of disassembling and assembling the roller is more complicated, so that the self-propelled survey device for the road and the bridge for civil engineering is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a road and bridge self-propelled survey device for civil engineering comprising:
the camera comprises a machine body, wherein an installation cavity is formed in the machine body, an electrical element is fixedly installed in the installation cavity, two installation grooves are formed in the surface of the machine body, a camera is arranged in each installation groove, and the camera is electrically connected with the electrical element through an electric wire;
the moving assembly is used for controlling the movement of the machine body and comprises four rotating rods, four rollers and a transmission part, the four rotating rods are symmetrically and horizontally rotatably arranged on the left and right cavity walls of the installation cavity respectively, the transmission part is used for controlling the rotation of the rotating rods, one ends of the four rotating rods respectively penetrate through the left and right side walls of the machine body, and the four rollers are respectively sleeved on the four rotating rods;
the locking assembly is four groups, four groups the locking assembly is used for locking the positions of four idler wheels on four rotating rods respectively, the locking assembly comprises two mounting plates fixedly mounted on the surfaces of the idler wheels and two spring rods fixedly mounted with the two mounting plates respectively, a through groove is formed in one end, extending out of the machine body, of each rotating rod, two locking ports respectively used for enabling the end portions of the two spring rods to extend into are formed in the surfaces of the rotating rods, and moving plates are fixedly sleeved on the spring rods.
Preferably, the transmission part comprises a double-shaft motor fixedly installed at the bottom of the installation cavity, and end portions of two output shafts of the double-shaft motor are respectively and fixedly connected with one ends, close to each other, of the two rotating rods.
Preferably, a plurality of L-shaped connecting rods distributed in a circumferential manner are fixedly mounted on the surface of the roller, and inserting plates inserted into the through grooves are fixedly mounted on the surface of the connecting rods.
Preferably, the shape of picture peg is the same arc with logical groove cell wall, and the surface bonds has the skid resistant course, the material of skid resistant course is rubber.
Preferably, a hollow pipe with one end being closed is fixedly installed on the left wall and the right wall of the installation cavity, the machine body penetrates out of one end of the hollow pipe being closed, the hollow pipe is communicated with the installation cavity and the machine body through an air inlet pipe and an air outlet pipe respectively, one-way valves are arranged in the air inlet pipe and the air outlet pipe, piston rods are inserted in the hollow pipe in a sealing mode, and the two piston rods are controlled by a driving part to move in the hollow pipe in a reciprocating mode in the horizontal direction.
Preferably, the driving part comprises a reciprocating screw rod, a sliding block sleeved on the reciprocating screw rod in a threaded manner and a mounting plate fixedly mounted on the surface of the sliding block, two ends of the reciprocating screw rod are fixedly connected with one ends, close to each other, of two rotating rods which are not fixedly connected with the output shaft of the double-shaft motor respectively, and one ends, close to each other, of the two piston rods are fixedly connected with the left surface and the right surface of the mounting plate respectively.
Preferably, a partition board is fixedly installed at the groove opening of the installation groove and is made of transparent materials.
Preferably, the surface of the roller is provided with anti-skid lines.
Compared with the prior art, the invention has the beneficial effects that:
1. the work of mounting and dismounting between the idler wheel and the rotating rod can be quickly realized through the mutual matching of the two spring rods, the two locking ports and the two moving plates in the locking assembly, the complicated step of using a screw and nut fixing piece is avoided, and the operation is convenient and quick;
2. when the organism is at the in-process that removes, biax motor and the electrical components of installation intracavity can give out the heat and pile up in the installation intracavity, this moment through mutually supporting between driver part and the bull stick, two piston rods can carry out reciprocating motion on the horizontal direction respectively in two hollow pipes, volume in two hollow pipes also can change ceaselessly, when inside volume grow, pressure reduces, gas in the installation intracavity just can be followed the intake pipe and is sucked into in the hollow pipe, when inside volume diminishes, pressure increases, the gas of collecting in the hollow pipe just can be followed the outlet duct and outside the extruder, so reciprocal in order to reach radiating effect, avoid electrical components and biax motor in the installation intracavity to be in high temperature environment work for a long time and damage.
Drawings
Fig. 1 is a schematic front perspective view of a self-propelled survey device for road bridges for civil engineering according to the invention;
fig. 2 is a schematic top perspective cross-sectional view of a self-propelled survey apparatus for road bridges for civil engineering according to the present invention;
fig. 3 is a schematic perspective sectional view of the self-propelled survey device for road and bridge in civil engineering, which is provided by the invention and is used at the position of a rotating rod and a roller;
FIG. 4 is an enlarged view of the structure at A in FIG. 1;
FIG. 5 is an enlarged view of the structure at B in FIG. 2;
FIG. 6 is an enlarged view of the structure at C in FIG. 2;
fig. 7 is an enlarged schematic view of the structure at D in fig. 3.
In the figure: the device comprises a machine body 1, a mounting cavity 2, an electrical element 3, a mounting groove 4, a camera 5, an electric wire 6, a rotating rod 7, a roller 8, a mounting plate 9, a spring rod 10, a through groove 11, a locking opening 12, a moving plate 13, a double-shaft motor 14, a connecting rod 15, a plug board 16, a hollow pipe 17, an air inlet pipe 18, an air outlet pipe 19, a reciprocating screw rod 20, a sliding block 21, a mounting plate 22 and a piston rod 23.
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.
Referring to fig. 1 to 7, a road bridge self-propelled survey apparatus for civil engineering comprises:
the device comprises a machine body 1, wherein a mounting cavity 2 is formed in the machine body 1, an electrical component 3 is fixedly mounted in the mounting cavity 2, two mounting grooves 4 are formed in the surface of the machine body 1, a camera 5 is arranged in each mounting groove 4, and the camera 5 is electrically connected with the electrical component 3 through an electric wire 6;
the moving assembly is used for controlling the movement of the machine body 1 and comprises four rotating rods 7 which are symmetrically and horizontally rotatably arranged on the left and right cavity walls of the installation cavity 2 respectively, four rollers 8 and a transmission part for controlling the rotation of the rotating rods 7, one ends of the four rotating rods 7 penetrate through the left and right side walls of the machine body 1 respectively, and the four rollers 8 are sleeved on the four rotating rods 7 respectively;
the locking subassembly, the locking subassembly is four groups, four locking subassemblies are used for locking four gyro wheels 8 positions on four bull sticks 7 respectively, the locking subassembly includes two place board 9 and two spring beam 10 with two place board 9 fixed mounting respectively on gyro wheel 8 surface, the logical groove 11 has been seted up to the one end that bull stick 7 stretches out the organism 1 outside, 7 surfaces of bull sticks are seted up two and are used for letting the locking mouth 12 that two spring beam 10 tip stretched into respectively, all fix the cover on two spring beam 10 and have been connected with movable plate 13.
In the embodiment applying the above technical solution, when the roller 8 is installed, firstly, a worker controls the two moving plates 13 to move towards the direction away from each other by hand, at this time, the ends of the two spring rods 10 close to each other gradually move away from each other until the distance between the ends of the two spring rods 10 close to each other is enough to allow the roller 8 to be sleeved on the rotating rod 7, at this time, the roller 8 is sleeved on the rotating rod 7, then the moving plate 13 is released, at this time, the ends of the two spring rods 10 close to each other are in sliding contact with the surface of the rotating rod 7, and because the surface of the rotating rod 7 gives the pressing acting force to the ends of the spring rods 10, the spring rods 10 are continuously in the contraction state, until the roller 8 slides to the locking openings 12, at this time, the pressing acting force given to the ends of the spring rods 10 by the surface of the rotating rod 7 disappears, the ends of the two spring rods 10 are rapidly restored and respectively extend into the two locking openings 12 to form locking under the action of their own elastic potential energy, at this moment, the position of the roller 8 on the rotating rod 7 is locked, when the roller 8 needs to be disassembled, the roller 8 only needs to be moved towards the direction away from each other by pulling the two movable plates 13 until one ends of the two spring rods 10, which are close to each other, are completely moved out of the two locking holes 12, at this moment, the clamping locking between the two spring rods 10 and the two locking holes 12 is released, and a worker can take the roller 8 off the rotating rod 7, so that the device is convenient and fast, the complex steps of using a screw nut fixing piece are avoided, and the working efficiency of replacing the roller 8 is improved.
In the preferred technical scheme of this embodiment, the transmission component includes a double-shaft motor 14 fixedly installed at the bottom of the cavity of the installation cavity 2, and the end portions of two output shafts of the double-shaft motor 14 are fixedly connected with one end of each of the two rotating rods 7, which is close to each other. When starting double-shaft motor 14, two output shafts of double-shaft motor 14 all can rotate towards same direction, and two bull sticks 7 with two output shaft fixed connection just can have taken place to rotate this moment, because the cover is equipped with the gyro wheel 8 by the locking subassembly locking on the bull stick 7, consequently gyro wheel 8 also can take place to rotate at this moment, because the direction of rotation of two gyro wheels 8 is the same to just can take organism 1 to have removed subaerial.
In the preferred technical scheme of this embodiment, a plurality of L-shaped connecting rods 15 distributed in a circumferential manner are fixedly mounted on the surface of the roller 8, and an inserting plate 16 inserted into the through groove 11 is fixedly mounted on the surface of the connecting rod 15. When the roller 8 is sleeved on the rotating rod 7, the plurality of inserting plates 16 are also inserted into the through grooves 11 formed in the end portions of the rotating rod 7, and a certain limiting effect can be achieved.
In the preferred technical scheme in this embodiment, the shape of the insertion plate 16 is an arc shape identical to the wall of the through groove 11, and an anti-slip layer is bonded on the surface of the insertion plate, and the anti-slip layer is made of rubber. The rubber has good elasticity and friction force, so that the friction force between the surface of the insert plate 16 and the contact surface of the groove wall of the through groove 11 can be increased, the area of the contact surface of the insert plate 16 and the groove wall of the through groove 11 can be increased by the arc shape, and the friction force between the surface of the insert plate 16 and the contact surface of the groove wall of the through groove 11 can also be increased.
The preferred technical scheme in this embodiment, chamber wall fixed mounting has one end to be the hollow tube 17 that closes about installation cavity 2, organism 1 is worn out for the one end that closes to hollow tube 17, hollow tube 17 communicates with installation cavity 2 and organism 1 outward through intake pipe 18 and outlet duct 19 respectively, all be equipped with the check valve in intake pipe 18 and the outlet duct 19, the direction of switching on of check valve is by installation cavity 2 to hollow tube 17 in the intake pipe 18, the direction of switching on of check valve is outside to organism 1 in by hollow tube 17 in the outlet duct 19, the sealed piston rod 23 that is equipped with of inserting in hollow tube 17, two piston rods 23 all control self carry out the reciprocating motion on the horizontal direction in hollow tube 17 through driver part. When the machine body 1 moves, the double-shaft motor 14 and the electrical element 3 in the installation cavity 2 can emit heat and are accumulated in the installation cavity 2, when two piston rods 23 perform reciprocating movement in the horizontal direction in the two hollow pipes 17 under the control of the driving part, the volumes in the two hollow pipes 17 can be changed ceaselessly, when the internal volume is increased, the pressure is reduced, the gas in the installation cavity 2 can be sucked into the hollow pipes 17 from the air inlet pipe 18, when the internal volume is reduced, the pressure is increased, the gas collected in the hollow pipes 17 can be extruded out of the machine body 1 from the air outlet pipe 19, the reciprocating movement is performed to achieve the heat dissipation effect, and the electrical element 3 and the double-shaft motor 14 in the installation cavity 2 are prevented from being damaged due to the fact that the electrical element and the double-shaft motor 14 work in a high-temperature environment for a long time.
In the preferred technical scheme of this embodiment, the driving part includes a reciprocating screw rod 20, a slider 21 screwed on the reciprocating screw rod 20, and a mounting plate 22 fixedly mounted on the surface of the slider 21, two ends of the reciprocating screw rod 20 are respectively fixedly connected to the ends of two rotating rods 7 which are not fixedly connected to the output shaft of the dual-shaft motor 14, which are close to each other, and the ends of two piston rods 23 which are close to each other are respectively fixedly connected to the left and right surfaces of the mounting plate 22. When the double-shaft motor 14 controls the two rotating rods 7 fixedly connected with the two output shafts of the double-shaft motor to rotate, the other two rotating rods 7 also rotate together, so that the reciprocating screw rods 20 fixedly connected with the two rotating rods 7 also rotate, the slide block 21 sleeved on the reciprocating screw rods 20 through threads drives the mounting plate 22 to reciprocate in the horizontal direction, the two piston rods 23 fixedly connected with the left surface and the right surface of the mounting plate 22 respectively reciprocate in the two hollow pipes 17 in the horizontal direction, and when one hollow pipe 17 performs air suction operation, the other hollow pipe 17 performs air discharge operation, the two operations are performed alternately, so that the heat radiation operation in the mounting cavity 2 is ensured not to be interrupted.
In the preferred technical scheme of this embodiment, 4 notch departments fixed mounting of mounting groove have the baffle, and the baffle is transparent material. The baffle can avoid surveying the in-process of work, and some debris striking lead to camera 5 to be destroyed on camera 5, have played the effect of protection camera 5.
In the preferred technical scheme in this embodiment, the surface of the roller 8 is provided with anti-skid lines. The skid-proof lines can increase the grip of the roller 8, and prevent the roller 8 from skidding in rainy and snowy days.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. A road and bridge self-propelled survey device for civil engineering, characterized by comprising:
the device comprises a machine body (1), wherein a mounting cavity (2) is formed in the machine body (1), an electrical component (3) is fixedly mounted in the mounting cavity (2), two mounting grooves (4) are formed in the surface of the machine body (1), a camera (5) is arranged in each mounting groove (4), and the camera (5) is electrically connected with the electrical component (3) through an electric wire (6);
the moving assembly is used for controlling the movement of the machine body (1), the moving assembly comprises four rotating rods (7) which are symmetrically and horizontally rotatably arranged on the left and right cavity walls of the installation cavity (2) respectively, four rollers (8) and a transmission part for controlling the rotation of the rotating rods (7), one ends of the four rotating rods (7) penetrate through the left and right side walls of the machine body (1) respectively, and the four rollers (8) are sleeved on the four rotating rods (7) respectively;
the locking assembly, the locking assembly is four groups, four groups the locking assembly is used for locking four gyro wheels (8) position on four bull stick (7) respectively, the locking assembly includes two place board (9) and two spring beam (10) with two place board (9) fixed mounting respectively of fixed mounting on gyro wheel (8) surface, bull stick (7) stretch out organism (1) outer one end and seted up logical groove (11), bull stick (7) surface is seted up two and is used for letting locking mouth (12) that two spring beam (10) tip stretched into respectively, two all fixed movable plate (13) of having cup jointed on spring beam (10).
2. A road and bridge self-propelled survey device for civil engineering according to claim 1, characterised in that the transmission means comprise a two-shaft motor (14) fixedly mounted at the bottom of the installation chamber (2), the two output shafts of the two-shaft motor (14) being fixedly connected at their ends to the ends of the two rotary rods (7) which are adjacent to each other.
3. A road and bridge self-propelled survey device for civil engineering according to claim 1, characterised in that said rollers (8) are surface-mounted with a plurality of L-shaped connecting rods (15) distributed circumferentially, said connecting rods (15) being surface-mounted with spiles (16) for insertion into said through slots (11).
4. The self-propelled road and bridge survey device for civil engineering as claimed in claim 3, characterized in that said insert plate (16) is in the shape of an arc identical to the walls of said through slots (11) and has an anti-slip layer adhered to its surface, said anti-slip layer being made of rubber.
5. The road and bridge self-propelled surveying device for civil engineering according to claim 2, characterized in that a hollow tube (17) with one end being closed is fixedly mounted on the left and right walls of the mounting cavity (2), the hollow tube (17) penetrates out of the machine body (1) with the other end being closed, the hollow tube (17) is respectively communicated with the outside of the mounting cavity (2) and the outside of the machine body (1) through an air inlet tube (18) and an air outlet tube (19), one-way valves are respectively arranged in the air inlet tube (18) and the air outlet tube (19), piston rods (23) are hermetically inserted in the hollow tube (17), and the two piston rods (23) are controlled by a driving part to perform reciprocating movement in the horizontal direction in the hollow tube (17).
6. The road and bridge self-propelled survey device for civil engineering according to claim 5, characterised in that the drive means comprises a reciprocating screw (20), a slide block (21) threaded onto the reciprocating screw (20) and a mounting plate (22) fixed to the surface of the slide block (21), the two ends of the reciprocating screw (20) are respectively fixed to the ends of the two rotating rods (7) which are not fixed to the output shaft of the double-shaft motor (14) close to each other, and the ends of the two piston rods (23) close to each other are respectively fixed to the left and right surfaces of the mounting plate (22).
7. The device for the civil engineering work on road and bridge traveling survey according to claim 1, characterized in that a partition is fixedly mounted at the notch of the mounting groove (4), and the partition is made of transparent material.
8. The device for the self-propelled survey of road and bridge girders for civil engineering according to claim 1, characterised in that the surface of the roller (8) is provided with anti-skid lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459567.1A CN114150557A (en) | 2021-12-02 | 2021-12-02 | A self-propelled device of surveying of road and bridge for civil engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459567.1A CN114150557A (en) | 2021-12-02 | 2021-12-02 | A self-propelled device of surveying of road and bridge for civil engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114150557A true CN114150557A (en) | 2022-03-08 |
Family
ID=80455648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111459567.1A Pending CN114150557A (en) | 2021-12-02 | 2021-12-02 | A self-propelled device of surveying of road and bridge for civil engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114150557A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964321A (en) * | 2022-05-20 | 2022-08-30 | 湖南致力工程科技有限公司 | Intelligent laser monitoring device for amplitude of large-span bridge |
-
2021
- 2021-12-02 CN CN202111459567.1A patent/CN114150557A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114964321A (en) * | 2022-05-20 | 2022-08-30 | 湖南致力工程科技有限公司 | Intelligent laser monitoring device for amplitude of large-span bridge |
| CN114964321B (en) * | 2022-05-20 | 2023-02-03 | 湖南致力工程科技有限公司 | Intelligent laser monitoring device for amplitude of large-span bridge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN114150557A (en) | A self-propelled device of surveying of road and bridge for civil engineering | |
| CN108799975B (en) | City L ED street lamp belt cleaning device | |
| CN103628439B (en) | Intelligence removes the ultra-high pressure water fluid jet cleaning device of zebra stripes | |
| CN106941074A (en) | A kind of square wafer processing unit (plant) and its method of work | |
| CN109701973A (en) | It is telescopic from scavenging machine of creeping in a kind of wind-tunnel pipeline | |
| CN110594186B (en) | Operation monitoring method of axial flow fan with adjustable moving blades | |
| CN113891045A (en) | Intelligent building security monitoring device based on wireless network | |
| CN111349895A (en) | Cleaning device | |
| CN112555712A (en) | Construction lighting device with multi-angle adjustment function and adjustment method thereof | |
| CN109113282B (en) | Stair convenient to crack dust clearance | |
| CN109468990A (en) | A kind of building cooling dust-extraction unit | |
| KR101480885B1 (en) | Apparatus for flatting level of coal in coke oven | |
| CN107049161B (en) | Recovery system for treating ground sewage | |
| CN211943882U (en) | Vacuum film sticking machine | |
| CN109236793A (en) | A kind of cement grate-cooler drive cylinder hydraulic device | |
| CN117582746B (en) | Self-dedusting device for dust collection filter bag | |
| CN219581234U (en) | Lens ultrasonic cleaner | |
| CN114455069B (en) | survey and drawing unmanned aerial vehicle is used in operation research teaching | |
| CN220228335U (en) | Water supply and drainage pipeline detection device | |
| CN220611447U (en) | Board surface film removing device | |
| CN113787027B (en) | Dust collection and cleaning device for calculator | |
| CN109854271A (en) | A kind of heavy duty detergent glue injection equipment of the mobility strong for tunnel slot repairing | |
| CN221029491U (en) | Multi-roller milling machine for milling road surface | |
| RU2021124866A (en) | INSTALLATION FOR CLEANING FURNACE REGENERATION CHAMBERS, PARTICULARLY FOR THE PRODUCTION OF GLASS PRODUCTS | |
| CN216278375U (en) | Compressed air equipment with drying treatment and impurity removal functions |
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 |