CN214696931U - Vibrating device for building engineering construction - Google Patents
Vibrating device for building engineering construction Download PDFInfo
- Publication number
- CN214696931U CN214696931U CN202120480734.XU CN202120480734U CN214696931U CN 214696931 U CN214696931 U CN 214696931U CN 202120480734 U CN202120480734 U CN 202120480734U CN 214696931 U CN214696931 U CN 214696931U
- Authority
- CN
- China
- Prior art keywords
- rod
- vibrating
- installation
- construction
- building engineering
- 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
Abstract
The utility model provides a vibrating device for construction engineering construction, which comprises a supporting mechanism; the left side of the top of the supporting mechanism is hinged with a connecting mechanism; the top of the connecting mechanism is fixedly provided with an adjusting mechanism; the adjusting mechanism comprises an outer support frame, a lifting rod and a connecting main body, wherein the lifting rod is rotatably connected to the middle position of the outer support frame, and the bottom of the lifting rod penetrates through and extends out of the bottom of the outer support frame. The setting of connecting rod and lifter, be favorable to improving vibrating device's practicality, through the connecting rod top with can follow the inboard reciprocating sliding who is connected through the groove, accommodate the lead screw and the meshing transmission of sliding seat, can stretch out the distance to the vibrating rod and adjust, carry out the gradient adjustment to the vibrating rod through rotatory worm gear, adjust the vibration degree of depth through rotatory lifter, avoid vibrating the template with building engineering, the pull rod, reinforcing bar and built-in fitting bump, prevent the structural damage because of vibrating and leading to, guarantee certain vibration degree of depth can effectual improvement engineering quality.
Description
Technical Field
The utility model belongs to the technical field of building engineering, more specifically say, in particular to vibrating device is used in building engineering construction.
Background
The building engineering refers to an engineering entity formed by the construction of various building constructions and their auxiliary facilities and the installation of lines, pipelines and equipment matched with them. The building construction is characterized in that the building construction is provided with a top cover, a beam column, a wall and a foundation, an inner space can be formed, projects required by production, living, learning and public activities of people are met, and a vibration device is required to vibrate concrete in the construction process so as to enable the concrete structure to be more uniform.
Based on the above, the present inventors found that the following problems exist in use: the existing vibration device is generally handheld, the vibration depth is not easy to control in the vibration operation, and the vibration device is easy to collide with a template, a pull rod, a steel bar and an embedded part, so that the structure of the vibration device is damaged, and the quality of the building engineering is influenced.
In view of the above, the present invention provides a vibration device for construction work, which is improved in view of the conventional structure and defects, and is expected to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a vibrating device is used in building engineering construction to solve current vibrating device and generally be handheld, be difficult to control the degree of depth of vibrating again in the operation of vibrating, collide with template, pull rod, reinforcing bar and built-in fitting easily, lead to its structural damage, influence building engineering's matter problem.
The utility model relates to a vibrating device for building engineering construction's purpose and efficiency are reached by following specific technological means:
a vibrating device for construction of constructional engineering comprises a supporting mechanism; the left side of the top of the supporting mechanism is hinged with a connecting mechanism; the top of the connecting mechanism is fixedly provided with an adjusting mechanism; the adjusting mechanism comprises an outer support frame, a lifting rod and a connecting main body, the lifting rod is rotatably connected to the middle position of the outer support frame, the bottom of the lifting rod penetrates through and extends out of the bottom of the outer support frame, and the connecting main body is rotatably arranged on the outer side of the lifting rod; the left end of the adjusting mechanism is movably provided with an installing mechanism; the left side of the mounting mechanism is movably provided with a vibrating mechanism.
Further, the supporting mechanism is including connecting the base, accommodate the lead screw, sliding seat and connecting rod, the top intermediate position activity of connecting the base is provided with the sliding seat, the intermediate position of connecting the base rotates and is connected with an accommodate the lead screw, and accommodate the lead screw run through the sliding seat and with the transmission of sliding seat meshing, the accommodate the lead screw right side is provided with servo motor, the symmetry is provided with the spacing of falling L shape around the top of connecting the base, reciprocating motion between the spacing can be followed to the sliding seat, the equal fixed connecting rod that is provided with in spacing top of connecting the base, the top of connecting rod is provided with the cylinder arch.
Further, coupling mechanism includes the link, connects and runs through groove, worm gear, fixed connection piece, and the top of link is provided with a pivot, and this pivot front and back symmetry is provided with fixed connection piece, is provided with worm gear between link and the pivot, and the fixed front and back symmetry of intermediate position of link has been seted up and has been connected and run through the groove, and the cross-section of fixed connection piece is the wedge structure, and under the installation status, the bottom and the sliding seat left side hinge of link are connected, and the cylinder arch at connecting rod top can be followed and is connected the reciprocal slip about the inboard that runs through the groove.
Furthermore, the bottom of the lifting rod is in transmission connection with an external rocking wheel through a bevel gear group, T-shaped grooves are symmetrically formed in the front and back of the left end of the connecting body, threads are arranged on the outer side of the lifting rod and in meshing transmission with the connecting body, and the right side of the external supporting frame is fixedly connected with the fixed connecting block in an installation state.
Further, installation mechanism is including installation main part, turning block, connecting plate, slip main part and catch bar, and installation main part top hinge joint turning block, the inboard activity in bottom of installation main part is provided with the slip main part, and the slip main part passes through the connecting plate hinge with the turning block and is connected, and slip main part bottom bilateral symmetry hinge is connected with two catch bars, and under the installation state, the latter half rear side of installation main part and connecting body left side intermediate position top fixed connection.
Further, installation mechanism is still including the swing joint piece, and the catch bar other end all articulates there is a swing joint piece, and the rear side of swing joint piece all is provided with the connection arch of T shape structure, and the front end of swing joint piece is two-thirds department for the L shape structure of mutual symmetry, and under the installation state, the protruding activity of connection of swing joint piece rear side sets up at the T shape inslot side of connecting the main part.
Further, the mechanism of vibrating is including mounting panel, electromagnetic shaker, connecting axle and the rod of vibrating, both ends longitudinal symmetry is provided with four connecting axles around the mounting panel left side, the fixed rod of vibrating that is provided with in bottom of electromagnetic shaker, the connecting axle runs through the electromagnetic shaker right side respectively, and electromagnetic shaker and connecting axle outside are provided with the spring, the symmetry is provided with protruding strip around the right side of mounting panel, the bar spread groove has all been seted up on this protruding strip, under the installation status, the protruding strip on mounting panel right side slides and sets up in the front end outside of movable connecting block, the inside of bar spread groove is embedded in the activity of movable connecting block.
Compared with the prior art, the utility model discloses following beneficial effect has:
the setting of connecting rod and lifter, be favorable to improving vibrating device's practicality, through the connecting rod top with can follow the inboard reciprocating sliding who is connected through the groove, and accommodate the lead screw and the meshing transmission of sliding seat, can stretch out the distance to the vibrating rod and adjust, carry out the gradient adjustment to the vibrating rod through rotatory worm gear, the vibration depth degree of adjusting through rotatory lifter, avoid vibrating the template with building engineering, the pull rod, reinforcing bar and built-in fitting bump, prevent the structural damage because of vibrating and leading to, guarantee certain vibration depth degree can effectual improvement engineering quality, do not use handheld operating means can effectual reduction user's intensity of labour simultaneously, increase the efficiency of construction.
The setting of connecting plate and sliding body is favorable to improving vibrating device's maintenance efficiency, drives sliding body rebound through the connecting plate when lifting the turning block, and the catch bar follows sliding body and removes and drive the swing joint piece and slide at last and be close to each other, and the left end and the mounting panel of swing joint piece break away from and can carry out maintenance, and then improve maintenance efficiency.
Drawings
Fig. 1 is a schematic axial view of the present invention.
Fig. 2 is an axial view structural schematic diagram of the supporting mechanism of the present invention.
Fig. 3 is a schematic axial view of the connection mechanism of the present invention.
Fig. 4 is a schematic axial view of the adjusting mechanism of the present invention.
Fig. 5 is an axial view structural schematic diagram of the mounting mechanism of the present invention.
Fig. 6 is an axial view structure diagram of the vibrating mechanism of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a support mechanism; 101. connecting a base; 102. adjusting the screw rod; 103. a sliding seat; 104. a connecting rod; 2. a connecting mechanism; 201. a connecting frame; 202. a connecting through groove; 203. a worm gear; 204. fixing a connecting block; 3. an adjustment mechanism; 301. an outer support frame; 302. a lifting rod; 303. a connecting body; 4. an installation mechanism; 401. mounting the main body; 402. rotating the block; 403. a connecting plate; 404. a sliding body; 405. a push rod; 406. a movable connecting block; 5. a vibrating mechanism; 501. mounting a plate; 502. a vibrator; 503. a connecting shaft; 504. vibrating and tamping a stick.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 6:
the utility model provides a vibrating device for construction engineering construction, which comprises a supporting mechanism 1; the left side of the top of the supporting mechanism 1 is hinged with a connecting mechanism 2; the top of the connecting mechanism 2 is fixedly provided with an adjusting mechanism 3; the adjusting mechanism 3 comprises an outer support frame 301, a lifting rod 302 and a connecting main body 303, the lifting rod 302 is rotatably connected to the middle position of the outer support frame 301, the bottom of the lifting rod 302 penetrates through and extends out of the bottom of the outer support frame 301, and the connecting main body 303 is rotatably arranged on the outer side of the lifting rod 302; the left end of the adjusting mechanism 3 is movably provided with an installation mechanism 4; the left side of the mounting mechanism 4 is movably provided with a vibrating mechanism 5.
Wherein, the supporting mechanism 1 is including connecting base 101, accommodate the lead screw 102, sliding seat 103 and connecting rod 104, the top intermediate position activity of connecting base 101 is provided with sliding seat 103, the intermediate position of connecting base 101 rotates and is connected with an accommodate the lead screw 102, and accommodate the lead screw 102 run through sliding seat 103 and with the transmission of sliding seat 103 meshing, accommodate the lead screw 102 right side is provided with servo motor, the top longitudinal symmetry of connecting base 101 is provided with the spacing of falling L shape, reciprocating motion between the spacing can be followed to sliding seat 103, the equal fixed connecting rod 104 that is provided with in spacing top of connecting base 101, the top of connecting rod 104 is provided with the cylinder arch.
Wherein, coupling mechanism 2 includes link 201, the connection runs through groove 202, worm gear 203, fixed connection block 204, the top of link 201 is provided with a pivot, this pivot front and back symmetry is provided with fixed connection block 204, be provided with worm gear 203 between link 201 and the pivot, the fixed front and back symmetry of intermediate position of link 201 has been seted up and has been connected and run through groove 202, the cross-section of fixed connection block 204 is the wedge structure, under the mounted state, the bottom and the sliding seat 103 left side hinge of link 201 are connected, the cylinder arch at connecting rod 104 top can be followed and is connected the inboard that runs through groove 202 and control reciprocating sliding.
The bottom of the lifting rod 302 is in transmission connection with an external rocking wheel through a bevel gear set, the left end of the connecting body 303 is symmetrically provided with T-shaped grooves in the front and back direction, the outer side of the lifting rod 302 is provided with threads and is in meshing transmission with the connecting body 303, and the right side of the outer support frame 301 is fixedly connected with the fixed connecting block 204 in an installation state.
The mounting mechanism 4 comprises a mounting main body 401, a rotating block 402, a connecting plate 403, a sliding main body 404 and push rods 405, the top of the mounting main body 401 is hinged to the rotating block 402, the inner side of the bottom of the mounting main body 401 is movably provided with the sliding main body 404, the sliding main body 404 is hinged to the rotating block 402 through the connecting plate 403, the bottom of the sliding main body 404 is hinged to the two push rods 405 in a bilateral symmetry manner, and the rear side of the lower half portion of the mounting main body 401 is fixedly connected with the top of the middle position of the left side of the connecting main body 303 in the mounting state.
Wherein, installation mechanism 4 is still including movable connecting block 406, and catch bar 405 other end all articulates a movable connecting block 406, and the rear side of movable connecting block 406 all is provided with the connection arch of T shape structure, and the front end of movable connecting block 406 is two-thirds department and is the L shape structure of mutual symmetry, and under the installation state, the connection arch activity of movable connecting block 406 rear side sets up at the T shape inslot side of connecting main part 303.
Wherein, the mechanism 5 vibrates including mounting panel 501, electromagnetic shaker 502, connecting axle 503 and vibrating roller 504, both ends longitudinal symmetry is provided with four connecting axles 503 around mounting panel 501 left side, the fixed vibrating roller 504 that vibrates that is provided with in bottom of electromagnetic shaker 502, connecting axle 503 runs through electromagnetic shaker 502 right side respectively, and electromagnetic shaker 502 is provided with the spring with the connecting axle 503 outside, the symmetry is provided with protruding strip around mounting panel 501's the right side, the bar spread groove has all been seted up on this protruding strip, under the installation state, the protruding strip on mounting panel 501 right side slides and sets up in the front end outside of movable connecting block 406, the inside of bar spread groove is embedded in the activity of movable connecting block 406.
The specific use mode and function of the embodiment are as follows:
in the utility model, when in use, the servo motor is started to drive the adjusting screw rod 102 to rotate, so as to adjust the position of the sliding seat 103 on the connecting base 101, the top of the connecting rod 104 slides in the connecting through groove 202, the connecting base 101 moves the vibrating stick 504 leftwards to rise, the distance between the vibrating stick 504 and the connecting base 101 becomes smaller, the connecting base 101 moves rightwards, the vibrating stick 504 moves downwards, the distance between the vibrating stick 504 and the left side of the connecting base 101 becomes larger, so as to preliminarily adjust the vibrating position of the vibrating stick 504, the inclination degree of the vibrating stick 504 is adjusted by the rotary worm gear 203 through the fixed connecting block 204, so as to change the vibrating position, the lifting rod 302 is driven to rotate by the swinging wheel connected to the bevel gear at the bottom of the outer supporting frame 301, so as to adjust the height of the connecting main body 303 on the outer supporting frame 301, so as to ensure the vibrating depth of the vibrating stick 504, the vibrating stick 504 is driven to vibrate by the vibrator 502, avoid the template of vibration and building engineering, the pull rod, reinforcing bar and built-in fitting bump, prevent the structural damage because of the vibration leads to, guarantee that certain depth of vibration can effectual improvement engineering quality, yellow stain between electromagnetic shaker 502 and the connecting axle 503 can effectually cushion equipment, prevent vibration conduction to movable connecting block 406, when electromagnetic shaker 502 and vibrating rod 504 maintain and when maintaining, drive sliding body 404 rebound through connecting plate 403 when lifting rotating block 402, catch bar 405 follows sliding body 404 to remove and drives movable connecting block 406 and slide on connecting body 303 and be close to each other, movable connecting block 406's left end breaks away from with mounting panel 501 and can maintain.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides a vibrating device is used in building engineering construction which characterized in that: comprises a supporting mechanism (1); the left side of the top of the supporting mechanism (1) is hinged with a connecting mechanism (2); the top of the connecting mechanism (2) is fixedly provided with an adjusting mechanism (3); the adjusting mechanism (3) comprises an outer support frame (301), a lifting rod (302) and a connecting main body (303), the lifting rod (302) is rotatably connected to the middle position of the outer support frame (301), the bottom of the lifting rod (302) penetrates through and extends out of the bottom of the outer support frame (301), and the connecting main body (303) is rotatably arranged on the outer side of the lifting rod (302); the left end of the adjusting mechanism (3) is movably provided with an installation mechanism (4); the left side of the mounting mechanism (4) is movably provided with a vibrating mechanism (5).
2. The vibration device for construction of building engineering as claimed in claim 1, wherein: the supporting mechanism (1) comprises a connecting base (101), an adjusting screw rod (102), a sliding seat (103) and a connecting rod (104), wherein the sliding seat (103) is movably arranged at the middle position of the top of the connecting base (101), the adjusting screw rod (102) is rotatably connected to the middle position of the connecting base (101), the adjusting screw rod (102) penetrates through the sliding seat (103) and is in meshing transmission with the sliding seat (103), a servo motor is arranged on the right side of the adjusting screw rod (102), the front and back of the top of the connecting base (101) are symmetrically provided with inverted L-shaped limiting strips, the sliding seat (103) can move back and forth between the limiting strips, the connecting rod (104) is fixedly arranged at the top of the limiting strip of the connecting base (101), and a cylindrical bulge is arranged at the top of the connecting rod (104).
3. The vibration device for construction of building engineering as claimed in claim 1, wherein: the connecting mechanism (2) comprises a connecting frame (201), a connecting through groove (202), a worm gear (203) and a fixed connecting block (204), a rotating shaft is arranged at the top of the connecting frame (201), the fixed connecting block (204) is symmetrically arranged around the rotating shaft, the worm gear (203) is arranged between the connecting frame (201) and the rotating shaft, the connecting through groove (202) is symmetrically arranged around the middle of the connecting frame (201) in a fixed mode, the section of the fixed connecting block (204) is of a wedge-shaped structure, in the installation state, the bottom of the connecting frame (201) is hinged to the left side of a sliding seat (103), and the cylindrical protrusion at the top of the connecting rod (104) can slide in a left-right reciprocating mode along the inner side of the connecting through groove (202).
4. The vibration device for construction of building engineering as claimed in claim 1, wherein: the bottom of the lifting rod (302) is in transmission connection with an external rocking wheel through a bevel gear set, T-shaped grooves are symmetrically formed in the front and back of the left end of the connecting main body (303), threads are arranged on the outer side of the lifting rod (302) and are in meshing transmission with the connecting main body (303), and the right side of the outer support frame (301) is fixedly connected with the fixed connecting block (204) in an installation state.
5. The vibration device for construction of building engineering as claimed in claim 1, wherein: installation mechanism (4) is including installation main part (401), turning block (402), connecting plate (403), slip main part (404) and catch bar (405), installation main part (401) top hinge joint turning block (402), the inboard activity in bottom of installation main part (401) is provided with slip main part (404), and slip main part (404) and turning block (402) are through connecting plate (403) hinge joint, slip main part (404) bottom bilateral symmetry hinge joint has two catch bars (405), under the installation state, the latter half rear side of installation main part (401) and connecting body (303) left side intermediate position top fixed connection.
6. The vibration device for construction of building engineering as claimed in claim 1, wherein: the installation mechanism (4) further comprises a movable connecting block (406), the other end of the push rod (405) is hinged with the movable connecting block (406), connecting protrusions of a T-shaped structure are arranged on the rear side of the movable connecting block (406), two thirds of the front end of the movable connecting block (406) are of L-shaped structures which are symmetrical to each other, and the connecting protrusions on the rear side of the movable connecting block (406) are movably arranged on the inner side of the T-shaped groove of the connecting main body (303) in the installation state.
7. The vibration device for construction of building engineering as claimed in claim 1, wherein: the utility model discloses a vibrating mechanism, including mounting panel (501), electromagnetic shaker (502), connecting axle (503) and vibrating roller (504), both ends longitudinal symmetry is provided with four connecting axles (503) around mounting panel (501) left side, the fixed vibrating roller (504) that is provided with in bottom of electromagnetic shaker (502), electromagnetic shaker (502) right side is run through respectively in connecting axle (503), and electromagnetic shaker (502) are provided with the spring with connecting axle (503) outside, the right side longitudinal symmetry of mounting panel (501) is provided with protruding strip, the bar spread groove has all been seted up on this protruding strip, under the installation status, the protruding strip on mounting panel (501) right side slides and sets up the front end outside at movable connecting block (406), movable connecting block (406) activity is embedded into the inside of bar spread groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120480734.XU CN214696931U (en) | 2021-03-05 | 2021-03-05 | Vibrating device for building engineering construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120480734.XU CN214696931U (en) | 2021-03-05 | 2021-03-05 | Vibrating device for building engineering construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214696931U true CN214696931U (en) | 2021-11-12 |
Family
ID=78569745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120480734.XU Active CN214696931U (en) | 2021-03-05 | 2021-03-05 | Vibrating device for building engineering construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214696931U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193584A (en) * | 2021-11-24 | 2022-03-18 | 中交武汉港湾工程设计研究院有限公司 | Concrete vibrating spear conveying device with collision prevention function for pouring construction |
-
2021
- 2021-03-05 CN CN202120480734.XU patent/CN214696931U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114193584A (en) * | 2021-11-24 | 2022-03-18 | 中交武汉港湾工程设计研究院有限公司 | Concrete vibrating spear conveying device with collision prevention function for pouring construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211074017U (en) | Vibrating device with automatic floating function | |
| CN214696931U (en) | Vibrating device for building engineering construction | |
| CN215212411U (en) | Concrete placement vibrating device | |
| CN109056787B (en) | Temporary retaining wall for roadbed and hillside | |
| CN212249253U (en) | A vibration device for floor concrete construction | |
| CN212445715U (en) | Hollow slab beam double-side walking type chiseling device | |
| CN115012419A (en) | Bidirectional full-length vibration construction method and device for drilling pressure-filling superfluid pile | |
| CN219621540U (en) | Highway construction flattening device | |
| CN209771526U (en) | High-frequency linear dewatering screen | |
| CN206071604U (en) | A kind of trestle is with can hang template system under cross sliding type | |
| CN220247644U (en) | Concrete vibrator | |
| CN218373169U (en) | Adjustable road construction leveling device | |
| CN220167499U (en) | Building templates strutting arrangement | |
| CN220848936U (en) | Concrete roughening device for reinforcing method with increased section | |
| CN220503872U (en) | Building construction rammer compactor | |
| CN214644523U (en) | Motor flexible connection structure, actuating mechanism and concrete brick make-up machine | |
| CN217128982U (en) | Reinforced concrete building frame | |
| CN218263345U (en) | Colored concrete road surface construction equipment that permeates water | |
| CN217552722U (en) | Shaking type uniform feeding device for concrete production | |
| CN108894515A (en) | Armored concrete prefabricated panel verticality automation adjustment device and its application method | |
| CN213896654U (en) | Leveling equipment for highway construction | |
| CN220942959U (en) | Steel bar bending machine convenient to install | |
| CN216713595U (en) | Adjustable floor slab reinforcing steel bar protective layer thickness and floor slab thickness control device | |
| CN219647634U (en) | Discarded concrete block crusher | |
| CN215947801U (en) | Concrete vibrating device for engineering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |