CN220336500U - Steel plate embedded leveling tool - Google Patents
Steel plate embedded leveling tool Download PDFInfo
- Publication number
- CN220336500U CN220336500U CN202322241639.6U CN202322241639U CN220336500U CN 220336500 U CN220336500 U CN 220336500U CN 202322241639 U CN202322241639 U CN 202322241639U CN 220336500 U CN220336500 U CN 220336500U
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- steel plate
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- plate
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 85
- 239000010959 steel Substances 0.000 title claims abstract description 85
- 238000005452 bending Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000009435 building construction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract 1
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
Classifications
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Road Repair (AREA)
Abstract
The utility model belongs to the field of building construction, and particularly relates to a steel plate embedded leveling tool, aiming at the problems of time and labor waste in the existing embedded steel plate construction, the utility model provides a scheme that the steel plate embedded leveling tool comprises a leveling assembly, a leveling assembly and a leveling base, wherein the leveling assembly comprises a base and a 'Feng' -shaped sliding rail; the leveling seat comprises an adjustable supporting component, a steel plate seat and a sliding seat, and the steel plate seat is connected with a ball shaft; the utility model is provided with the coarse adjusting unit and the fine adjusting unit, so that stable support can be formed on the embedded steel plate; the sliding seats can move along the 'rich' structure of the sliding rail, the distance and the relative position between the two sliding seats can be adjusted, the horizontal position adjusting function is added, and the sliding seats can be suitable for diamond-shaped, square-shaped or other polygonal steel plates so as to perform embedded leveling welding operation; the ball shaft is connected to the steel plate seat, so that the steel plate seat can still be perfectly attached to the steel plate when a certain gradient exists between the steel plate and the ground, and the stability in the welding process is improved.
Description
Technical Field
The utility model relates to a steel plate leveling tool, in particular to a steel plate embedded leveling tool, and belongs to the technical field of building construction.
Background
In the construction process of the support pre-buried steel plate, the steps of spot placement, measurement, welding, retesting and the like are often required to ensure that the pre-buried steel plate can be in a horizontal state, and the process is often required to be repeated for a plurality of times, so that time and labor are wasted when the pre-buried steel plate is operated, the steel plate is required to be horizontally supported by a special leveling tool, and the steel plate is further welded conveniently.
In the prior art, as disclosed in publication number CN214364994U, two buckles are respectively installed at the left end and the right end of the pre-buried steel plate, then a screw is fixed at the middle part of the pre-buried steel plate, and meanwhile, a sliding cylinder is sleeved on the screw, and two ends of a pull rope are respectively installed on the sliding cylinder and the buckle. After the installation is completed, through the sliding cylinder, in the process of sliding the sliding cylinder, the pull rope fixed at one end of the sliding cylinder generates position change, and the steel plate at the other end of the pull rope is pulled to move upwards, so that a stress state of pulling at two ends and a stress state of a middle top are formed. After the embedded steel plate is leveled, the sliding cylinder can be fixed, so that the leveling state of the embedded steel plate is maintained. But when in actual use, to some pre-buried steel sheet, need carry out welding position fixed, and adopt the mode of stay cord to carry out the leveling to the steel sheet, the stability of steel sheet when then can't ensure the welding, and then lead to influencing the level of steel sheet at the welding process, secondly, to the leveling of steel sheet, still need carry out suitable regulation to the installation height of steel sheet, and adopt single altitude mixture control mechanism, often can't realize accurate leveling, will influence the precision of leveling.
Disclosure of Invention
The utility model provides a steel plate embedded leveling tool for solving at least one technical problem.
The utility model realizes the above purpose through the following technical scheme: the leveling component for the steel plate embedded leveling comprises a base and a leveling seat, wherein the leveling seat is movably connected to the base;
the base is in a right-angle bending shape, two slide rails in a vertical shape are arranged on the base, and the slide rails are 'Feng' -shaped slide grooves;
the leveling seat comprises an adjustable supporting component, a steel plate seat and a sliding seat, wherein the adjustable supporting component comprises an outer sleeve, a telescopic rod and a supporting rod, a coarse adjusting unit is arranged between the outer sleeve and the telescopic rod, and a fine adjusting unit is arranged between the telescopic rod and the supporting rod;
the steel plate seat is connected to the upper end of the adjustable supporting component, the sliding seat is connected to the lower end of the adjustable supporting component, the sliding seat is movably arranged in the sliding rail, and the steel plate seat is connected with a ball shaft.
As still further aspects of the utility model: the base includes apron and base, and the slide rail includes spacing groove and sliding tray, and apron fixing clip is put on the base, and the spacing groove is seted up on the apron, and the sliding tray is concave seting up on the base in.
As still further aspects of the utility model: the sliding seat comprises a pressing plate, a sleeve, a limiting plate and a bottom plate, wherein the pressing plate, the sleeve and the limiting plate are integrally arranged, the sleeve is sleeved on the pipe body of the outer sleeve, the bottom plate is fixedly connected to the bottom of the outer sleeve, the limiting plate and the bottom plate are clamped in the sliding groove, and a plurality of springs are connected between the limiting plate and the bottom plate.
As still further aspects of the utility model: the telescopic link activity is installed in the outer tube, and bracing piece swing joint is in the upper end of telescopic link, and the top rotation of bracing piece is connected with the steel sheet seat.
As still further aspects of the utility model: the utility model provides a coarse adjusting unit that sets up between outer tube and the telescopic link includes threaded rod, worm wheel, worm and coarse adjustment screw hole, and the threaded rod is vertical form rotation and connects in the inner chamber bottom of outer tube, and coarse adjustment screw hole has been seted up to the inside bottom of telescopic link, and threaded rod threaded connection is at coarse adjustment screw hole, and fixed cover is equipped with the worm wheel on the bottom pole body of threaded rod, and one side meshing of worm wheel is connected with the worm, and worm and coarse adjustment knob coaxial coupling, and coarse adjustment knob is located the outside of outer tube.
As still further aspects of the utility model: the fine adjustment unit arranged between the telescopic rod and the supporting rod comprises a fine adjustment threaded hole, a fine adjustment threaded ring and a fine adjustment rotary table, wherein the fine adjustment threaded hole is formed in the upper end of the telescopic rod, the fine adjustment threaded ring is formed in the lower end rod body of the supporting rod, and the fine adjustment rotary table is fixedly sleeved on the supporting rod.
As still further aspects of the utility model: scale marks are arranged on the fine adjustment rotary table and distributed in a ring shape.
As still further aspects of the utility model: the upper end of the supporting rod is fixedly sleeved with a bearing, and the bearing is embedded in the center of the lower plate surface of the steel plate seat.
As still further aspects of the utility model: the steel plate seat is L-shaped, a ball groove is formed in the center of the inner side face of the horizontal end of the steel plate seat, the ball shaft comprises a supporting shaft head and an angle adjusting ball, the supporting shaft head is fixedly connected with the angle adjusting ball, and the angle adjusting ball is movably clamped in the ball groove.
The beneficial effects of the utility model are as follows:
through being provided with the coarse adjustment unit between outer tube and telescopic link, be provided with the fine adjustment unit between telescopic link and the bracing piece, rotate coarse adjustment knob, realize driving the threaded rod and just reversing, and then the height of adjustable telescopic link forms the whole height of leveling seat and carries out preliminary coarse adjustment, rotate the fine adjustment carousel and rotate with driving the bracing piece, and then can realize adjusting the extension height of bracing piece, forms the whole height of leveling seat and carries out fine adjustment, in order to ensure that can form the steady support to pre-buried steel sheet;
the sliding rail is set to be a 'Feng' sliding groove, the sliding seats can move along the 'Feng' structure of the sliding rail, and then the distance and the relative position between the two sliding seats can be adjusted, so that the horizontal position adjusting function is added, and the sliding rail is applicable to diamond-shaped, square-shaped or other polygonal steel plates so as to perform embedded leveling welding operation;
the steel plate seat is connected with the ball shaft, so that the ball shaft can rotate along a certain angle, and the steel plate seat can still be perfectly attached to the steel plate when a certain gradient exists between the steel plate and the ground, so that the stability in the welding process is improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the split structure of the base of the present utility model;
FIG. 3 is a schematic view of a leveling base structure according to the present utility model;
FIG. 4 is a schematic view showing a split structure of a sliding seat according to the present utility model;
FIG. 5 is a schematic cross-sectional view of an outer sleeve and a telescopic rod according to the present utility model;
FIG. 6 is a schematic view showing a structure of the support bar and the steel plate seat in a disassembled state;
FIG. 7 is a schematic diagram of a fine tuning dial according to the present utility model;
fig. 8 is a schematic view of the structure of the steel plate seat of the present utility model.
In the figure: 1. base, 11, cover plate, 12, base, 2, slide rail, 21, limit groove, 22, slide groove, 3, leveling seat, 31, outer sleeve, 311, threaded rod, 312, worm wheel, 313, worm, 32, telescopic rod, 321, coarse adjustment threaded hole, 322, fine adjustment threaded hole, 33, support rod, 331, fine adjustment threaded ring, 332, bearing, 34, steel plate seat, 341, ball groove, 35, slide seat, 351, pressing plate, 352, sleeve, 353, limit plate, 354, bottom plate, 355, spring, 36, coarse adjustment knob, 37, fine adjustment turntable, 371, scale mark, 38, ball axle, 381, support axle head, 382, angle adjusting ball.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 8, a steel plate embedded leveling tool comprises a leveling assembly, wherein the leveling assembly for steel plate embedded leveling comprises a base 1 and a leveling seat 3, and the leveling seat 3 is movably connected to the base 1;
the base 1 is in a right-angle bending shape, two slide rails 2 in a vertical shape are arranged on the base 1, and the slide rails 2 are 'Feng' -shaped slide grooves;
the leveling seat 3 comprises an adjustable supporting component, a steel plate seat 34 and a sliding seat 35, wherein the adjustable supporting component comprises an outer sleeve 31, a telescopic rod 32 and a supporting rod 33, a coarse adjusting unit is arranged between the outer sleeve 31 and the telescopic rod 32, and a fine adjusting unit is arranged between the telescopic rod 32 and the supporting rod 33;
the steel plate seat 34 is connected to the upper end of the adjustable support assembly, the sliding seat 35 is connected to the lower end of the adjustable support assembly, the sliding seat 35 is movably arranged in the sliding rail 2, and the steel plate seat 34 is connected with a ball shaft 38.
Example 2
In addition to all the technical features in the first embodiment, the present embodiment further includes:
the base 1 includes apron 11 and base 12, slide rail 2 includes spacing groove 21 and slide groove 22, apron 11 fixed block is put on base 12, spacing groove 21 is offered on apron 11, slide groove 22 is interior concave setup on base 12, when can lay leveling seat 3 on base 1, slide seat 35 can block and put in slide groove 22 to spacing by spacing groove 21, can prevent that slide seat 35 from coming off in slide groove 22, simultaneously, slide seat 35 can remove along slide rail 2's "rich" shape structure, and then distance and the relative position between two slide seats 35 of adjustable, increased horizontal position regulatory function, can be applicable to diamond, square or other polygonal steel sheet, in order to carry out pre-buried leveling welding operation.
Example 3
In addition to all the technical features in the first embodiment, the present embodiment further includes:
the sliding seat 35 comprises a pressing plate 351, a sleeve 352, a limiting plate 353 and a bottom plate 354, wherein the pressing plate 351, the sleeve 352 and the limiting plate 353 are integrally arranged, the sleeve 352 is sleeved on the pipe body of the outer sleeve 31, the bottom plate 354 is fixedly connected to the bottom of the outer sleeve 31, the limiting plate 353 and the bottom plate 354 are clamped in the sliding groove 22, a plurality of springs 355 are connected between the limiting plate 353 and the bottom plate 354, the limiting plate 353 can be lifted up under the action of the springs 355, the limiting plate 353 and the bottom plate 354 are fixedly clamped in the sliding groove 22, the fixing of the position of the leveling seat 3 is achieved, the limiting plate 353 can be moved downwards through pressing the pressing plate 351, and the leveling seat 3 can be in an active state so as to adjust the position of the leveling seat 3.
The telescopic link 32 activity is installed in the outer tube 31, and bracing piece 33 swing joint is in the upper end of telescopic link 32, and the top rotation of bracing piece 33 is connected with steel sheet seat 34, and the accessible adjusts the extension height of telescopic link 32 and bracing piece 33, and then can realize adjusting the whole height of leveling seat 3, can be in the horizontal position department of suitable height with the steel sheet of placing on steel sheet seat 34 to pre-buried welding operation is convenient for carry out.
Example 4
In addition to all the technical features in the first embodiment, the present embodiment further includes:
the coarse adjustment unit that sets up between outer tube 31 and the telescopic link 32 includes threaded rod 311, worm wheel 312, worm 313 and coarse adjustment screw hole 321, threaded rod 311 is vertical form rotation and connects in the inner chamber bottom of outer tube 31, coarse adjustment screw hole 321 has been seted up to the bottom inside of telescopic link 32, threaded rod 311 threaded connection is in coarse adjustment screw hole 321, fixed cover is equipped with worm wheel 312 on the bottom pole of threaded rod 311, one side meshing of worm wheel 312 is connected with worm 313, worm 313 and coarse adjustment knob 36 coaxial coupling, and coarse adjustment knob 36 is located the outside of outer tube 31, the accessible rotates coarse adjustment knob 36, realize driving threaded rod 311 and carry out positive and negative rotation, and then the height of adjustable telescopic link 32 forms the whole height of leveling seat 3 and carries out preliminary coarse adjustment promptly.
The fine adjustment unit that sets up between telescopic link 32 and the bracing piece 33 includes fine adjustment screw hole 322, fine adjustment screw thread circle 331 and fine adjustment carousel 37, and fine adjustment screw thread circle 331 is seted up in the upper end of telescopic link 32, and fine adjustment screw thread circle 331 is seted up on the lower extreme pole body of bracing piece 33, and fixed cover is equipped with fine adjustment carousel 37 on the bracing piece 33, rotates with driving bracing piece 33 through rotating fine adjustment carousel 37, and then can realize adjusting the extension height of bracing piece 33, forms promptly and finely adjusts the overall height of leveling seat 3.
Scale marks 371 are arranged on the fine adjustment turntable 37, and the scale marks 371 are distributed in a ring shape, so that the rotation angle of the fine adjustment turntable 37 can be accurately controlled, and further, the accurate height adjustment of the support rod 33 is realized.
The fixed cover in upper end of bracing piece 33 is equipped with bearing 332, and the embedded lower face center department at steel sheet seat 34 of bearing 332 to make steel sheet seat 34 be rotatable connection in the upper end of bracing piece 33, and then can all realize the bearing to the corner of different steel sheets.
The steel plate seat 34 is L-shaped, the ball groove 341 is formed in the center of the inner side face of the horizontal end of the steel plate seat 34, the ball shaft 38 comprises a supporting shaft head 381 and an angle adjusting ball 382, the supporting shaft head 381 is fixedly connected with the angle adjusting ball 382, the angle adjusting ball 382 is movably clamped in the ball groove 341, the ball shaft 38 can rotate along a certain angle, and then the steel plate seat can still be perfectly attached to the steel plate when a certain gradient exists between the steel plate and the ground, so that stability in a welding process is improved.
Working principle: according to the size of the required embedded steel plate, the limiting plate 353 is downwards moved through pressing down the pressing plate 351, and then the leveling seat 3 is in an active state, so that the leveling seat 3 can be moved in the sliding rail 2, after moving to a supporting position, the pressing force on the pressing plate 351 is removed, the limiting plate 353 can be upwards jacked up under the action of the spring 355, and then the limiting plate 353 and the bottom plate 354 are fixedly clamped in the sliding groove 22, the fixing of the position of the leveling seat 3 is realized, according to the embedded height, the threaded rod 311 is driven to rotate forwards and backwards through rotating the coarse adjusting knob 36, the height of the telescopic rod 32 is adjusted, namely, the integral height of the leveling seat 3 is primarily roughly adjusted, then the supporting rod 33 is driven to rotate through rotating the fine adjusting knob 37, and then the extending height of the supporting rod 33 is adjusted, namely, the integral height of the leveling seat 3 is finely adjusted, so that the embedded steel plate can be positioned at a proper height, and after being embedded and welded, the tool can be taken down through again adjusting the fine adjusting knob 37.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (9)
1. The utility model provides a pre-buried leveling instrument of steel sheet, includes leveling component, its characterized in that: the leveling assembly for pre-burying and leveling the steel plate comprises a base (1) and a leveling seat (3), wherein the leveling seat (3) is movably connected to the base (1);
the base (1) is in a right-angle bending shape, two slide rails (2) in a vertical shape are arranged on the base (1), and the slide rails (2) are 'Feng' -shaped slide grooves;
the leveling seat (3) comprises an adjustable supporting component, a steel plate seat (34) and a sliding seat (35), wherein the adjustable supporting component comprises an outer sleeve (31), a telescopic rod (32) and a supporting rod (33), a coarse adjusting unit is arranged between the outer sleeve (31) and the telescopic rod (32), and a fine adjusting unit is arranged between the telescopic rod (32) and the supporting rod (33);
the steel plate seat (34) is connected to the upper end of the adjustable supporting component, the sliding seat (35) is connected to the lower end of the adjustable supporting component, the sliding seat (35) is movably arranged in the sliding rail (2), and the steel plate seat (34) is connected with a ball shaft (38).
2. The steel plate embedded leveling tool according to claim 1, wherein: the base (1) comprises a cover plate (11) and a base (12), the sliding rail (2) comprises a limiting groove (21) and a sliding groove (22), the cover plate (11) is fixedly clamped on the base (12), the limiting groove (21) is formed in the cover plate (11), and the sliding groove (22) is concave and formed in the base (12).
3. The steel plate embedded leveling tool according to claim 1, wherein: the sliding seat (35) comprises a pressing plate (351), a sleeve (352), a limiting plate (353) and a bottom plate (354), wherein the pressing plate (351), the sleeve (352) and the limiting plate (353) are integrally arranged, the sleeve (352) is sleeved on the pipe body of the outer sleeve (31), the bottom plate (354) is fixedly connected to the bottom of the outer sleeve (31), the limiting plate (353) and the bottom plate (354) are clamped in the sliding groove (22), and a plurality of springs (355) are connected between the limiting plate (353) and the bottom plate (354).
4. The steel plate embedded leveling tool according to claim 1, wherein: the telescopic rod (32) is movably inserted into the outer sleeve (31), the supporting rod (33) is movably connected to the upper end of the telescopic rod (32), and the top end of the supporting rod (33) is rotatably connected with the steel plate seat (34).
5. The steel plate embedded leveling tool according to claim 4, wherein: the utility model provides a coarse adjustment unit that sets up between outer tube (31) and telescopic link (32) includes threaded rod (311), worm wheel (312), worm (313) and coarse adjustment screw hole (321), threaded rod (311) are vertical form rotation and connect in the inner chamber bottom of outer tube (31), coarse adjustment screw hole (321) have been seted up to the bottom inside of telescopic link (32), threaded rod (311) threaded connection is in coarse adjustment screw hole (321), fixed cover is equipped with worm wheel (312) on the bottom pole body of threaded rod (311), one side meshing of worm wheel (312) is connected with worm (313), worm (313) are connected with coarse adjustment knob (36) coaxial line, just coarse adjustment knob (36) are located the outside of outer tube (31).
6. The steel plate embedded leveling tool according to claim 4, wherein: the utility model discloses a telescopic link, including telescopic link (32) and bracing piece (33), the fine adjustment unit that sets up between telescopic link (32) and bracing piece (33) is including fine adjustment screw hole (322), fine adjustment screw thread circle (331) and fine adjustment carousel (37), the upper end at telescopic link (32) is seted up to fine adjustment screw thread circle (322), set up on the lower extreme shaft of bracing piece (33), just fixed cover is equipped with fine adjustment carousel (37) on bracing piece (33).
7. The steel plate embedded leveling tool as set forth in claim 6, wherein: scale marks (371) are arranged on the fine adjustment rotary disc (37), and the scale marks (371) are distributed in a ring shape.
8. The steel plate embedded leveling tool as set forth in claim 6, wherein: the upper end of the supporting rod (33) is fixedly sleeved with a bearing (332), and the bearing (332) is embedded in the center of the lower plate surface of the steel plate seat (34).
9. The steel plate embedded leveling tool according to claim 1, wherein: the steel plate seat (34) is L-shaped, a ball groove (341) is formed in the center of the inner side face of the horizontal end of the steel plate seat (34), the ball shaft (38) comprises a supporting shaft head (381) and an angle adjusting ball (382), the supporting shaft head (381) is fixedly connected with the angle adjusting ball (382), and the angle adjusting ball (382) is movably clamped in the ball groove (341).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322241639.6U CN220336500U (en) | 2023-08-21 | 2023-08-21 | Steel plate embedded leveling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322241639.6U CN220336500U (en) | 2023-08-21 | 2023-08-21 | Steel plate embedded leveling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220336500U true CN220336500U (en) | 2024-01-12 |
Family
ID=89459616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322241639.6U Active CN220336500U (en) | 2023-08-21 | 2023-08-21 | Steel plate embedded leveling tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220336500U (en) |
-
2023
- 2023-08-21 CN CN202322241639.6U patent/CN220336500U/en active Active
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