CN217232594U - Automatic mortar leveling machine - Google Patents
Automatic mortar leveling machine Download PDFInfo
- Publication number
- CN217232594U CN217232594U CN202220070036.7U CN202220070036U CN217232594U CN 217232594 U CN217232594 U CN 217232594U CN 202220070036 U CN202220070036 U CN 202220070036U CN 217232594 U CN217232594 U CN 217232594U
- Authority
- CN
- China
- Prior art keywords
- guide rail
- electric cabinet
- servo
- leveling machine
- spinning assembly
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a mortar automatic leveling machine relates to the mortar technical field of making level, for solving current mortar operation of making level and utilize machines equipment manual completion for the manual work usually, manpower consumption is big, the problem that wastes time and energy. The automatic sizing machine is characterized in that a spinning assembly is mounted outside the telescopic guide rail group, a primary spreader wheel is mounted at the rear end of the lower surface of the spinning assembly, a mortar pressing wheel is mounted at the front end of the lower surface of the spinning assembly, a servo transmission seat is mounted at one end of the telescopic guide rail group, a first active wheel hub is mounted at the lower end of the servo transmission seat, an electric cabinet is mounted at the other end of the telescopic guide rail group, a touch control operation screen is mounted on the front end face of the electric cabinet, a charging interface is arranged below the touch control operation screen, a second active wheel hub is mounted at the lower end of the electric cabinet, and guide tracks are mounted at the lower ends of the first active wheel hub and the second active wheel hub.
Description
Technical Field
The utility model relates to a ground construction technology technical field specifically is a mortar automatic leveling machine.
Background
Leveling is a ground construction process, when the process has certain requirements for the flatness of a base layer, such as waterproof construction, terrace construction, equipment installation and the like, the base layer flatness is processed, in engineering, a common leveling method is to level by using cement mortar or fine stone concrete with certain strength so as to avoid the influence of unevenness or gradient on the construction of a waterproof and heat-insulating layer on the original structural surface, proper machine and tool equipment and auxiliary equipment are reasonably selected according to construction conditions so as to meet the design requirements as a basic principle, and during leveling operation, the common machine and tool equipment comprises a wooden rake, an iron spade, a small line, a steel ruler, a rubber pipe, a wooden clapper, a scraping bar, a wooden trowel, an iron trowel and the like.
However, the existing mortar leveling operation is usually manually completed by using machines and tools, so that the manpower consumption is large, and the time and the labor are wasted; we have therefore proposed an automatic mortar levelling machine which facilitates the solution of the problems set out above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a mortar automatic leveling machine to the current mortar that proposes among the above-mentioned background art of solution makes level the operation and utilizes the manual completion of machines equipment for the manual work usually, and the manpower consumption is big, the problem that wastes time and energy.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mortar automatic leveling machine, includes flexible guide rail group, the externally mounted of flexible guide rail group has the spinning assembly, the wheel is just shared to the rear end of spinning assembly lower surface is installed, the front end of spinning assembly lower surface is installed and is pressed the thick liquid wheel, servo transmission seat is installed to the one end of flexible guide rail group, first active wheel hub is installed to servo transmission seat's lower extreme, the electric cabinet is installed to the other end of flexible guide rail group, touch-control operation screen is installed to the preceding terminal surface of electric cabinet, the below of touch-control operation screen is provided with the interface that charges, the second active wheel hub is installed to the lower extreme of electric cabinet, the direction track is all installed to first active wheel hub and the second active wheel hub's lower extreme.
Preferably, the telescopic guide rail group comprises a first guide rail and a second guide rail, the first guide rail is slidably connected with the second guide rail, a first guide pillar is mounted inside the first guide rail, one end of the first guide pillar penetrates through and extends to the outside of the first guide rail and is fixedly connected with the electric cabinet, a second guide pillar is mounted inside the second guide rail, and one end of the second guide pillar penetrates through and extends to the outside of the second guide rail and is fixedly connected with the servo transmission seat.
Preferably, an L-shaped connecting piece is mounted on the end face of the first guide rail and is in threaded connection with the first guide pillar and the second guide rail through a limiting bolt, a sliding groove is formed in the joint of the first guide pillar and the second guide rail with the limiting bolt, and the sliding groove is integrally formed with the first guide pillar and the second guide rail.
Preferably, a first parallel movement shaft shell is installed on the outer wall of the first guide pillar, a second parallel movement shaft shell is installed on the outer wall of the second guide rail, and racks are installed on one sides of the outer walls of the first parallel movement shaft shell and the second parallel movement shaft shell.
Preferably, a first brushless direct current motor is installed on one side of the upper end of the spinning assembly, a transmission shaft is installed at the output end of the first brushless direct current motor, one end of the transmission shaft is fixedly connected with the first spreading wheel, a first gear and a second gear are installed on the outer wall of the transmission shaft, and the first gear and the second gear are respectively in transmission connection with racks on the first parallel movement shaft shell and the second parallel movement shaft shell.
Preferably, a second brushless direct current motor is installed on one side of the interior of the spinning assembly, and the output end of the second brushless direct current motor is in transmission connection with the mud jacking wheel.
Preferably, the internally mounted of electric cabinet has first servo motor, the internally mounted of servo transmission seat has second servo motor, first servo motor and second servo motor's output passes through the belt and is connected with second initiative wheel hub and the transmission of first action wheel hub respectively.
Preferably, a driven hub is installed at the rear end of the second driving hub and is rotatably connected with the electric cabinet.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a set up servo drive seat and electric cabinet respectively at the levelling machine both ends, and the lower extreme of servo drive seat and electric cabinet all installs the wheel hub by servo motor drive, and the levelling machine sets up to guide rail structure as a whole, and rely on rack and pinion and spinning assembly meshing transmission to be connected, when using, plan at first the route of marcing, the manual work is put and is measured the level and put in place with the guide rail that the equipment will walk, adjustment height and track depth of parallelism, guarantee that whole equipment is horizontal and vertically all in horizontal position, later under the prerequisite of guaranteeing that the basement is moist, lay the mortar in the construction site, place the levelling machine on the guide rail after finishing, and drive its operation, adjust through the interconversion of forward rotation and reverse rotation by the first brushless DC motor of spinning assembly upper end, utilize the gear and the meshing transmission effect of following the flexible guide rail group outer wall rack, the mortar leveling machine comprises a guide rail, a first mortar spreading wheel, a second driving wheel, a first servo motor, a second servo motor, a servo driving seat, an electric cabinet, a leveling machine, a first area, a second area, a rotary pressing assembly, a first servo motor, a second servo motor, a first driving wheel hub, a second driving wheel hub, a servo driving seat, a second driving wheel hub, a servo driving box, a second driving wheel hub, a servo driving seat, a second electric cabinet, a second driving wheel hub, a second servo driving seat and an electric cabinet, a second area, a rotary pressing assemblies, a first driving a second servo motor, a third servo motor, a fourth motor, a fourth motor, a fourth.
2. Through set up flexible guide rail group in the machine of making level, flexible guide rail group includes first guide rail and second guide rail, and first guide rail and second guide rail sliding connection, make the machine of making level manually flexible adjust whole length, thereby adjust suitable width according to the place width, and tensile regulation finishes the back, usable spacing bolt is with L type connection piece and first guide pillar and second guide rail threaded connection on the first guide rail terminal surface, fix it, guarantee stability in use, this structure is showing the commonality that has promoted automatic leveling machine.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the internal structure of the telescopic guide rail set of the present invention;
FIG. 3 is a schematic view of the internal structure of the spinning assembly of the present invention;
FIG. 4 is a schematic view of the internal structure of the electric cabinet of the present invention;
fig. 5 is a schematic view of the internal structure of the servo transmission seat of the present invention;
in the figure: 1. a telescopic guide rail group; 2. a first parallel motion shaft housing; 3. a second parallel movement shaft housing; 4. a rack; 5. a servo transmission seat; 6. an electric cabinet; 7. a touch control operation screen; 8. a charging interface; 9. spinning assembly; 10. a first brushless DC motor; 11. primarily spreading wheels; 12. a mud jacking wheel; 13. a guide rail; 14. a first guide rail; 15. a first guide post; 16. a second guide rail; 17. a second guide post; 18. an L-shaped connecting sheet; 19. a limit bolt; 20. a chute; 21. a first driving hub; 22. a second driving hub; 23. a drive shaft; 24. a first gear; 25. a second gear; 26. a second brushless DC motor; 27. a first servo motor; 28. a driven hub; 29. a second servo motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-5, the present invention provides an embodiment: an automatic mortar leveling machine comprises a telescopic guide rail group 1, a spinning assembly 9 is mounted outside the telescopic guide rail group 1, the spinning assembly 9 can reciprocate on the telescopic guide rail group 1 through meshing transmission of a gear and a rack 4, a primary spreading wheel 11 is mounted at the rear end of the lower surface of the spinning assembly 9, the primary spreading wheel 11 can spread a mortar layer for one time, a mortar pressing wheel 12 is mounted at the front end of the lower surface of the spinning assembly 9, the mortar pressing wheel 12 can perform secondary leveling on the mortar layer to ensure the leveling layer flatness, a servo transmission seat 5 is mounted at one end of the telescopic guide rail group 1, a first driving wheel hub 21 is mounted at the lower end of the servo transmission seat 5, an electric cabinet 6 is mounted at the other end of the telescopic guide rail group 1, the electric cabinet 6 is erected at a position close to the right origin, operation and maintenance are convenient, a touch operation screen 7 is mounted on the front end face of the electric cabinet 6, the touch operation screen 7 is mounted at the front upper position of equipment, convenient operation, the control, be provided with switch on the touch-control operation screen 7, a start button, speed governing knob and fault reset button, can adjust equipment parameter, the below of touch-control operation screen 7 is provided with the interface 8 that charges, the built-in 24V storage battery power supply of electric cabinet 6, the accessible charges interface 8 and charges, use with electrical components among the supply apparatus, avoid external power supply to influence the device and use convenient degree, second active wheel hub 22 is installed to the lower extreme of electric cabinet 6, guide rail 13 is all installed to first active wheel hub 21 and second active wheel hub 22's lower extreme, guide rail 13 is aluminum alloy material rectangular tube, concrete length is customized according to place actual demand, it can guide equipment along self direction of direction advance, avoid taking place the skew.
Further, telescopic guide rail group 1 includes first guide rail 14 and second guide rail 16, and first guide rail 14 and second guide rail 16 sliding connection, the internally mounted of first guide rail 14 has first guide pillar 15, the one end of first guide pillar 15 runs through and extends to the outside of first guide rail 14, and with electric cabinet 6 fixed connection, the internally mounted of second guide rail 16 has second guide pillar 17, the one end of second guide pillar 17 runs through and extends to the outside of second guide rail 16, and with servo transmission seat 5 fixed connection, first guide rail 14 and second guide rail 16 sliding connection each other, but manual flexible regulation, adjust to suitable width according to the place width.
Further, install L type connection piece 18 on the terminal surface of first guide rail 14, L type connection piece 18 passes through spacing bolt 19 and first guide pillar 15 and second guide rail 16 threaded connection, the junction of first guide pillar 15 and second guide rail 16 and spacing bolt 19 is provided with spout 20, and spout 20 and first guide pillar 15 and second guide rail 16 integrated into one piece set up, after first guide rail 14 and second guide rail 16 stretch to suitable length, usable spacing bolt 19 is with L type connection piece 18 and first guide pillar 15 and second guide rail 16 threaded connection on the first guide rail 14 terminal surface, thereby fixed telescopic rail length guarantees stability in use.
Further, a first parallel movement shaft shell 2 is installed on the outer wall of the first guide pillar 15, a second parallel movement shaft shell 3 is installed on the outer wall of the second guide rail 16, racks 4 are installed on one sides of the outer walls of the first parallel movement shaft shell 2 and the second parallel movement shaft shell 3, the first parallel movement shaft shell 2 and the second guide rail 16 play a role in protecting the first guide rail 14 and the second guide rail 16, and meanwhile, the external spinning assembly 9 can be guided to move along the guide rail direction.
Further, first brushless DC motor 10 is installed to one side of spinning assembly 9 upper end, install transmission shaft 23 on first brushless DC motor 10's the output, and the one end of transmission shaft 23 and 11 fixed connection of just sharing a square yard of wheel, install first gear 24 and second gear 25 on the outer wall of transmission shaft 23, and first gear 24 and second gear 25 respectively with first parallel motion axle housing 2 and the rack 4 meshing transmission on the second parallel motion axle housing 3 be connected, first brushless DC motor 10 accessible forward rotation and reverse rotation's interconversion is adjusted, utilize the gear and the meshing transmission effect along 1 outer wall rack 4 of telescopic guide rail group, along guide rail direction reciprocating motion, it is rotatory to drive just sharing a square yard of wheel 11 simultaneously, carry out preliminary flattening processing to the mortar.
Further, a second brushless direct current motor 26 is installed on one side of the interior of the spinning assembly 9, the output end of the second brushless direct current motor 26 is in transmission connection with the mud jacking wheel 12, the second brushless direct current motor 26 can drive the mud jacking wheel 12 to rotate, secondary leveling is carried out on the mortar along with the primary spreading wheel 11, and the leveling degree of the leveling operation is ensured.
Further, a first servo motor 27 is installed inside the electric cabinet 6, a second servo motor 29 is installed inside the servo transmission seat 5, output ends of the first servo motor 27 and the second servo motor 29 are in transmission connection with the second driving hub 22 and the first driving hub 21 through belts respectively, after the spinning assembly 9 conducts one reciprocating leveling operation along the guide rail, the first servo motor 27 and the second servo motor 29 can drive the second driving hub 22 and the first driving hub 21 to move forward for one station along the direction of the guide rail 13, and leveling processing is continuously conducted on mortar in a next area.
Further, driven wheel hub 28 is installed to the rear end of second driving wheel hub 22, and rotates from driven wheel hub 28 and electric cabinet 6 to be connected, and for ensuring that 6 internal components of electric cabinet have enough installation controlling parts, 6 wide volumes of electric cabinet, driven wheel hub 28 cooperation second driving wheel hub 22 of its lower extreme can effectively support electric cabinet 6, drives it simultaneously and stabilizes and remove along guide rail 13.
The working principle is as follows: before the device is used, firstly, a travelling route is planned, a guide rail 13 on which the device is to travel is manually placed, the horizontal position, the height and the rail parallelism are measured, the transverse and longitudinal positions of the whole device are ensured to be horizontal, the height is adjusted, the bottoms of a pressure sizing wheel 12 and a guide rail are ensured to be horizontal with a work completion surface, then, a telescopic guide rail set 1 is stretched according to the field width, when a first guide rail 14 and a second guide rail 16 are stretched to a proper length, a leveling machine is pre-placed on the guide rail 13, whether the upper tooth surfaces and the lower tooth surfaces of an upper rack 4 and a lower rack 4 on the telescopic guide rail set 1 are symmetrical and parallel or not is observed, meanwhile, a sliding spinning assembly 9 is pushed by hand, a limit bolt 19 at the joint of the telescopic guide rail set 1 is locked after the width of a test gear is matched with the gear 4, the operation can ensure that the gear 4 can be matched with the gear after the width is adjusted every time, and the situation that the gear and the gear are not matched with the gear 4 but the spinning assembly 9 is started, after the parallel movement of the rotary pressing assembly can damage the gear rack 4, the condition of serious damage of a machine is caused, after the preparation work is finished, under the premise of ensuring that a base is wet, mortar is laid on a construction site, the leveling machine is driven after the completion, a first brushless direct current motor 10 at the upper end of the rotary pressing assembly 9 is adjusted through the interconversion of forward rotation and reverse rotation, the mortar is reciprocated along the direction of a guide rail by utilizing the meshing transmission action of a gear and the gear rack 4 on the outer wall of the telescopic guide rail group 1, and simultaneously, a primary spreading wheel 11 is driven to rotate, the mortar is primarily leveled, a mortar pressing wheel 12 which follows the primary spreading wheel rotates under the driving action of a second brushless direct current motor 26, the mortar is secondarily leveled, the flatness of the leveling work is ensured, after the once reciprocating leveling work of the rotary pressing assembly 9 is finished, a first servo motor 27 and a second servo motor 29 can drive a second driving hub 22 and a first driving hub 21 to operate, and driving the servo transmission seat 5 and the electric cabinet 6 to move forward one station along the direction of the guide rail 13, moving the leveling machine to the next area, re-driving the spinning assembly 9 to run, leveling the mortar at the position, and repeating the steps until the leveling operation of the mortar in the whole construction site is completed.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.
Claims (8)
1. The utility model provides a mortar automatic leveling machine, includes telescopic guide rail group (1), its characterized in that: a spinning assembly (9) is arranged outside the telescopic guide rail group (1), a primary spreading wheel (11) is arranged at the rear end of the lower surface of the spinning assembly (9), the front end of the lower surface of the spinning assembly (9) is provided with a slurry pressing wheel (12), one end of the telescopic guide rail group (1) is provided with a servo transmission seat (5), the lower end of the servo transmission seat (5) is provided with a first driving hub (21), the other end of the telescopic guide rail group (1) is provided with an electric cabinet (6), the front end surface of the electric cabinet (6) is provided with a touch control operation screen (7), a charging interface (8) is arranged below the touch control operation screen (7), a second driving hub (22) is arranged at the lower end of the electric cabinet (6), and guide rails (13) are mounted at the lower ends of the first driving hub (21) and the second driving hub (22).
2. The automatic mortar leveling machine according to claim 1, wherein: the telescopic guide rail set (1) comprises a first guide rail (14) and a second guide rail (16), the first guide rail (14) is connected with the second guide rail (16) in a sliding mode, a first guide pillar (15) is installed inside the first guide rail (14), one end of the first guide pillar (15) penetrates through and extends to the outside of the first guide rail (14) and is fixedly connected with the electric cabinet (6), a second guide pillar (17) is installed inside the second guide rail (16), and one end of the second guide pillar (17) penetrates through and extends to the outside of the second guide rail (16) and is fixedly connected with the servo transmission seat (5).
3. The automatic mortar leveling machine according to claim 2, wherein: the L-shaped connecting piece (18) is installed on the end face of the first guide rail (14), the L-shaped connecting piece (18) is in threaded connection with the first guide pillar (15) and the second guide rail (16) through a limiting bolt (19), a sliding groove (20) is formed in the connecting portion of the first guide pillar (15) and the second guide rail (16) and the limiting bolt (19), and the sliding groove (20) is integrally formed with the first guide pillar (15) and the second guide rail (16).
4. The automatic mortar leveling machine according to claim 2, wherein: the outer wall of the first guide pillar (15) is provided with a first parallel movement shaft shell (2), the outer wall of the second guide rail (16) is provided with a second parallel movement shaft shell (3), and racks (4) are arranged on one sides of the outer walls of the first parallel movement shaft shell (2) and the second parallel movement shaft shell (3).
5. The automatic mortar leveling machine according to claim 4, wherein: first brushless DC motor (10) is installed to one side of spinning assembly (9) upper end, install transmission shaft (23) on the output of first brushless DC motor (10), and the one end of transmission shaft (23) with just share wheel (11) fixed connection, install first gear (24) and second gear (25) on the outer wall of transmission shaft (23), and first gear (24) and second gear (25) respectively with rack (4) meshing transmission on first parallel motion axle casing (2) and the second parallel motion axle casing (3) be connected.
6. The automatic mortar leveling machine according to claim 1, wherein: and a second brushless direct current motor (26) is installed on one side inside the spinning assembly (9), and the output end of the second brushless direct current motor (26) is in transmission connection with the mud jacking wheel (12).
7. The automatic mortar leveling machine according to claim 1, wherein: the utility model discloses a servo drive device, including electric cabinet (6), servo transmission seat (5), the internally mounted of electric cabinet (6) has first servo motor (27), the internally mounted of servo transmission seat (5) has second servo motor (29), the output of first servo motor (27) and second servo motor (29) passes through the belt and is connected with second initiative wheel hub (22) and first initiative wheel hub (21) transmission respectively.
8. The automatic mortar leveling machine according to claim 1, wherein: and a driven hub (28) is installed at the rear end of the second driving hub (22), and the driven hub (28) is rotatably connected with the electric cabinet (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220070036.7U CN217232594U (en) | 2022-01-12 | 2022-01-12 | Automatic mortar leveling machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220070036.7U CN217232594U (en) | 2022-01-12 | 2022-01-12 | Automatic mortar leveling machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217232594U true CN217232594U (en) | 2022-08-19 |
Family
ID=82829951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220070036.7U Active CN217232594U (en) | 2022-01-12 | 2022-01-12 | Automatic mortar leveling machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217232594U (en) |
-
2022
- 2022-01-12 CN CN202220070036.7U patent/CN217232594U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107327128A (en) | One kind white washed wall device | |
CN111877708B (en) | Wall cement for building plasters leveling device | |
CN212359155U (en) | Concrete floating device for building | |
CN205976392U (en) | Full -automatic floor tie machine | |
CN111005542B (en) | Cement leveling equipment for indoor design | |
CN217232594U (en) | Automatic mortar leveling machine | |
CN103437537A (en) | Wall levelling machine | |
CN114182931A (en) | Automatic mortar leveling machine | |
CN216228595U (en) | Waterproof template grinding device | |
CN203452353U (en) | Wall body levelling machine | |
CN103334575A (en) | Movable multifunctional automatic dust spraying device for wall body | |
CN111155746A (en) | Joint filling and seam beautifying integrated building decoration construction method after pavement of floor tiles | |
CN207513115U (en) | A kind of white washed wall device | |
CN216042761U (en) | Automatic brick laying machine | |
CN112160365B (en) | Soft soil layer water pipe lays and uses pre-buried device based on water conservancy construction | |
CN214621006U (en) | Flatness detection device for civil engineering | |
CN101413340A (en) | Method and apparatus for rendering wall by electric machinery | |
CN214993524U (en) | Concrete slope surface collecting device | |
CN201367736Y (en) | White washing machine | |
CN220167957U (en) | Tunnel lining trolley distributing machine | |
CN221798084U (en) | Stone paving equipment capable of preventing alkali return | |
CN212477358U (en) | Concrete construction roll extrusion and curing means | |
CN218911424U (en) | Grouting cone probe | |
CN211277711U (en) | Wall surface leveling and polishing device | |
CN220599709U (en) | Movable device for supporting side slope of dam |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |