CN219034066U - Concrete fiber orientation device - Google Patents
Concrete fiber orientation device Download PDFInfo
- Publication number
- CN219034066U CN219034066U CN202223549382.2U CN202223549382U CN219034066U CN 219034066 U CN219034066 U CN 219034066U CN 202223549382 U CN202223549382 U CN 202223549382U CN 219034066 U CN219034066 U CN 219034066U
- Authority
- CN
- China
- Prior art keywords
- concrete
- fiber
- guide
- partition boards
- channel
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
The utility model discloses a concrete fiber orientation device, which comprises: the concrete centralized mechanism and the guide mechanism are internally provided with concrete channels; the guide mechanism is arranged at the bottom of the concrete collecting mechanism, a fiber guide channel is arranged in the guide mechanism and is communicated with the concrete channel, a plurality of first partition boards and a plurality of second partition boards are arranged in the fiber guide channel, the first partition boards and the second partition boards are alternately and alternately arranged along the direction perpendicular to the concrete flow direction, and the length of the first partition boards is longer than that of the second partition boards; according to the utility model, the concrete centralizing mechanism is arranged to carry out fiber directional carding on the mixed concrete for the first time, and the first partition plate and the second partition plate are arranged in the fiber guide channel, so that the fibers are subjected to secondary directional processing due to different lengths, the fibers are prevented from being blocked at the inlet of the partition plate, and the fibers are accurately and uniformly oriented, so that the fiber directional carding effect is better.
Description
Technical Field
The utility model relates to the technical field of concrete pouring, in particular to a concrete fiber orientation device.
Background
Concrete is one of the most commonly used building materials in the world. Due to the characteristics of the concrete, the concrete has the defects of high brittleness, low tensile strength, poor cracking resistance, poor strain capacity and the like. To overcome these drawbacks, fibers are added to concrete to enhance its toughness, such as metal fibers, synthetic fibers, mineral fibers, natural fibers, and the like. The use of fibers in concrete was traced back to the beginning of the 60 s of the 20 th century, when the concept of Fiber Reinforced Concrete (FRC) was first systematically proposed by bat and fiber spacing theory was introduced. Fiber reinforced concrete has been improved over the last 60 years.
The more the fibers are oriented in the concrete corresponding to the direction of elongation, the better the bridging effect of the fibers, which helps to inhibit crack propagation, thereby achieving higher concrete strength. However, in the fiber reinforced concrete which is normally poured, fiber orientation is often performed by erecting a channel or adding an electromagnet, but only the fibers can be controlled in a horizontal plane, and the fiber orientation effect is poor.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present utility model aims to provide a concrete fiber orientation device, which aims to solve the problem that in the prior art, fibers can only be controlled in a horizontal plane and the fiber orientation effect is poor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in a first aspect, an embodiment of the present utility model provides a concrete fiber orientation apparatus, which is characterized in that it includes:
the concrete concentration mechanism is internally provided with a concrete channel;
the guiding mechanism is arranged at the bottom of the concrete collecting mechanism, a fiber guiding channel is arranged in the guiding mechanism and is communicated with the concrete channel, a plurality of first partition boards and a plurality of second partition boards are arranged in the fiber guiding channel, the first partition boards and the second partition boards are alternately and alternately arranged along the direction perpendicular to the concrete flow direction, and the length of the first partition boards is larger than that of the second partition boards.
As a further improved technical solution, the concrete concentration mechanism includes:
a container;
the first guide piece is communicated with the bottom of the container, the first guide piece and the surface of the container are at an angle of 108 degrees, and the concrete channel is arranged in the first guide piece.
As a further improvement technical scheme, guiding mechanism includes the second guide, the second guide is located the first guide deviates from the one end of container, be equipped with in the second guide fibre direction passageway, fibre direction passageway with concrete passageway is linked together, just be equipped with a plurality of in the fibre direction passageway first baffle and a plurality of the second baffle.
As a further improvement technical scheme, be equipped with a plurality of draw-in grooves in the second guide, a plurality of draw-in grooves arrange in proper order in the internal surface of second guide.
As a further improvement technical scheme, protruding parts are arranged on the first partition plate and the second partition plate, and the protruding parts are matched with the clamping grooves.
As a further improvement, the guiding mechanism further comprises a fixing pad, the fixing pad is connected with one end of the second guiding piece, which is away from the first guiding piece, through a bolt, and the fixing pad is used for limiting the positions of the first partition plate and the second partition plate.
As a further improvement technical scheme, one end of the first guide piece, which is away from the container, is provided with a first flange plate, one end of the second guide piece, which is towards the first guide piece, is provided with a second flange plate, and the first flange plate is connected with the second flange plate through bolt fastening.
As a further improvement technical scheme, the lower end of the container is provided with a supporting frame.
As a further improvement technical scheme, the lower end of the supporting frame is provided with a plurality of land wheels.
As a further improvement technical scheme, the distance between the first partition plate and the second partition plate is 25mm.
The technical scheme adopted by the utility model has the following beneficial effects:
the concrete fiber orientation device provided by the utility model comprises: the concrete guide device comprises a concrete centralizing mechanism and a guide mechanism, wherein a concrete channel is arranged in the concrete centralizing mechanism; the guide mechanism is arranged at the bottom of the concrete collecting mechanism, a fiber guide channel is arranged in the guide mechanism and is communicated with the concrete channel, a plurality of first partition boards and a plurality of second partition boards are arranged in the fiber guide channel, the first partition boards and the second partition boards are alternately and alternately arranged along the direction perpendicular to the concrete flow direction, and the length of the first partition boards is longer than that of the second partition boards; according to the utility model, the mixed concrete is subjected to directional treatment for the first time by arranging the concrete concentration mechanism, fibers in the concrete are directionally carded through the concrete channel, and the first partition plate and the second partition plate are arranged in the fiber guide channel at intervals, so that the fibers are subjected to secondary directional treatment due to different lengths of the first partition plate and the second partition plate, the fibers are prevented from being blocked at the inlet of the partition plate, and the fibers are accurately and uniformly oriented, so that the fiber directional carding effect is better.
Drawings
FIG. 1 is a schematic view of a concrete fiber orienting device according to the present utility model;
FIG. 2 is a schematic cross-sectional view of a concrete fiber orienting device according to the present utility model;
FIG. 3 is a schematic structural view of a guide mechanism of a concrete fiber orienting device according to the present utility model;
FIG. 4 is a schematic view of a first partition and a second partition of a concrete fiber orienting apparatus according to the present utility model;
FIG. 5 is a first fiber guide schematic of a concrete fiber orienting apparatus according to the present utility model;
FIG. 6 is a second fiber guiding schematic view of a concrete fiber orienting device according to the present utility model;
fig. 7 is a schematic view of a third fiber guiding device for a concrete fiber guiding apparatus according to the present utility model.
1. A concrete concentration mechanism; 2. a guide mechanism; 3. a concrete channel; 4. a fiber guide channel; 5. a first separator; 6. a second separator; 7. a container; 8. a first guide; 9. a second guide; 10. a clamping groove; 11. a protruding portion; 12. a fixing pad; 13. a bolt; 14. a first flange; 15. a second flange; 16. a support frame; 17. and (5) a land wheel.
Detailed Description
In order to make the objects, technical solutions and effects of the present utility model clearer and more specific, the present utility model will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should also be noted that in the drawings of the embodiments of the present utility model, the same or similar reference numerals correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus, terms describing the positional relationship in the drawings are merely for exemplary illustration and are not to be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Examples:
the utility model discloses a concrete fiber orientation device, referring to fig. 1-7, fig. 1 is a schematic structural view of the concrete fiber orientation device provided by the utility model; FIG. 2 is a schematic cross-sectional view of a concrete fiber orienting device according to the present utility model; FIG. 3 is a schematic structural view of a guide mechanism of a concrete fiber orienting device according to the present utility model; FIG. 4 is a schematic view of a first partition and a second partition of a concrete fiber orienting apparatus according to the present utility model; FIG. 5 is a first fiber guide schematic of a concrete fiber orienting apparatus according to the present utility model; FIG. 6 is a second fiber guiding schematic view of a concrete fiber orienting device according to the present utility model; fig. 7 is a schematic view of a third fiber guiding device for a concrete fiber guiding apparatus according to the present utility model. The utility model discloses a concrete fiber orientation device, which comprises: the concrete collecting mechanism 1 and the guide mechanism 2 are arranged in the concrete collecting mechanism 1, and a concrete channel 3 is arranged in the concrete collecting mechanism 1; the guiding mechanism 2 is arranged at the bottom of the concrete collecting mechanism, a fiber guiding channel 4 is arranged in the guiding mechanism 2, the fiber guiding channel 4 is communicated with the concrete channel 3, a plurality of first partition boards 5 and a plurality of second partition boards 6 are arranged in the fiber guiding channel 4, the first partition boards 5 and the second partition boards 6 are alternately and alternately arranged at intervals along the direction perpendicular to the concrete flow direction, and the length of the first partition boards 5 is larger than that of the second partition boards 6.
The working principle of the concrete fiber orientation device provided by the embodiment is as follows: when the utility model is used, the concrete centralizing mechanism 1 is fixed, then the mixed concrete is poured into the concrete centralizing mechanism, the concrete passes through the concrete channel 3 to finish the first directional treatment, then the concrete flows into the fiber guiding channel 4 of the guiding mechanism 2, and the second directional carding is carried out on the concrete fibers through the first partition boards 5 and the second partition boards 6 with different lengths, so that the efficient directional treatment of the concrete fibers is realized.
The concrete fiber orientation device provided by the embodiment has the beneficial effects that: according to the utility model, the mixed concrete is subjected to directional treatment for the first time by arranging the concrete concentration mechanism 1, fibers in the concrete are directionally carded by the concrete channel 3, and the first partition board 5 and the second partition board 6 are arranged in the middle of the fiber guide channel 4, so that the fibers are subjected to secondary directional treatment due to different lengths of the first partition board 5 and the second partition board 6, the fibers are prevented from being blocked at the entrance of the partition board, and the fibers are accurately and uniformly oriented, so that the fiber directional carding effect is better.
As a further solution, with continued reference to fig. 1 to 4, the concrete concentration mechanism 1 includes: the container 7, the first guide 8 intercommunication is located container 7 bottom, just first guide 8 with container 7 surface is 108 angle, be equipped with in the first guide 8 concrete passageway 3.
Specifically, a first guiding element 8 is arranged at the bottom of the container 7, a concrete channel 3 is arranged in the first guiding element 8, the first guiding element 8 is communicated with the container 7, so that concrete poured into the container 7 can flow into the concrete channel 3, meanwhile, in order to enable the concrete to perform better preliminary orientation treatment, a certain angle is arranged between the first guiding element 8 and the container 7, so that the first guiding element 8 and the container 7 form an obtuse angle, the concrete can flow more quickly under the self-gravity, and the orientation effect is better, and in the embodiment of the utility model, the first guiding element 8 and the container 7 form an angle of 108 degrees.
As a further solution, referring to fig. 1-4, the guiding mechanism 2 includes a second guiding member 9, the second guiding member 9 is disposed at an end of the first guiding member 8 facing away from the container 7, the second guiding member 9 is provided with the fiber guiding channel 4, the fiber guiding channel 4 is in communication with the concrete channel 3, and a plurality of first partitions 5 and a plurality of second partitions 6 are disposed in the fiber guiding channel 4.
Specifically, the guiding mechanism 2 is composed of a second guiding piece 9, the second guiding piece 9 is connected with the first guiding piece 8, a fiber guiding channel 4 is arranged in the second guiding piece 9, when the second guiding piece 9 is connected with the first guiding piece 8, the fiber guiding channel 4 is communicated with the concrete channel 3, so that the primarily-oriented concrete can smoothly flow into the fiber guiding channel 4, a plurality of first partition boards 5 and second partition boards 6 are arranged in the fiber guiding channel 4 at intervals, the concrete is carded by the first partition boards 5 and the second partition boards 6, and the fiber orientation effect is better.
As a further solution, with continued reference to fig. 3, a plurality of clamping grooves 10 are provided in the second guiding member 9, and the plurality of clamping grooves 10 are sequentially disposed on the inner surface of the second guiding member 9.
Specifically, a plurality of clamping grooves 10 are formed in the inner wall of the second guide member 9, and the clamping grooves 10 are sequentially arranged in the fiber guide channel 4, so that the first partition plate 5 and the second partition plate 6 can be clamped tightly, and the partition plates are prevented from being broken down due to overlarge impact force of concrete.
As a further solution, referring to fig. 4, the first partition board 5 and the second partition board 6 are provided with protruding portions 11, and the protruding portions 11 are matched with the clamping grooves 10.
Specifically, protruding portions 11 are further arranged on the first partition board 5 and the second partition board 6, the protruding portions 11 are matched with the clamping grooves 10, the first partition board 5 and the second partition board 6 are better clamped, the positions of the first partition board 5 and the second partition board 6 are more conveniently changed, the distance between the first partition board 5 and the second partition board 6 is changed, and fiber orientation treatment with different effects is conducted on different concretes.
As a further solution, referring to fig. 1, the guiding mechanism 2 further includes a fixing pad 12, where the fixing pad 12 is connected to an end of the second guiding element 9 facing away from the first guiding element 8 by a bolt 13, and the fixing pad 12 is used to limit the positions of the first partition 5 and the second partition 6.
Specifically, the right end of the second guide member 9 protrudes more, and the guide mechanism 2 further includes a fixing pad 12, the fixing pad 12 is square, and the fixing pad 12 is fixed to the second guide member 9 by bolts 13, and after the first and second spacers 5 and 6 are mounted, the fixing pad 12 is fixed by bolts 13, so that the first and second spacers 5 and 6 can be blocked, thereby avoiding demolding of the first and second spacers 5 and 6 due to concrete impact.
As a further solution, referring to fig. 1, a first flange 14 is disposed at an end of the first guide member 8 facing away from the container 7, a second flange 15 is disposed at an end of the second guide member 9 facing toward the first guide member 8, and the first flange 14 and the second flange 15 are fastened by the bolts 13.
Specifically, a first flange plate 14 is arranged on the first guide member 8, a second flange plate 15 is arranged on the second guide member 9, and the first flange plate 14 and the second flange plate 15 are fastened and connected through bolts 13, so that the second guide member 9 is convenient to detach and fix, and convenient use is realized.
As a further solution, with continued reference to fig. 1, a supporting frame 16 is provided at the lower end of the container 7. The lower end of the supporting frame 16 is provided with a plurality of land wheels 17.
Specifically, in the embodiment, the support frame 16 is arranged at the lower end of the container 7, so that the height of the container 7 can be changed, and the container 7 can be better supported and fixed; in the embodiment of the utility model, a plurality of ground wheels 17 are also arranged at the lower end of the supporting frame 16, so that the movable operation is convenient.
In the embodiment of the utility model, the distance between the first partition board 5 and the second partition board 6 is 25mm, and experiments prove that the distance has better orientation effect on concrete fibers.
The structure and function of a concrete fiber orientation device according to the embodiments of the present utility model will be described in detail with reference to specific usage scenarios:
when the device is used, in order to adapt to the operation at different positions, the device can be pushed to a more proper position through the land wheel 17, and then the fixing operation is carried out; after the container 7 is fixed, mixed concrete is poured into the container, the concrete passes through the concrete channel 3 to finish the first directional treatment, then the concrete flows into the fiber guiding channel 4 of the second guiding piece 9, and the concrete fibers are subjected to the second directional carding through the first partition boards 5 and the second partition boards 6 with different lengths, so that the efficient directional treatment of the concrete fibers is realized.
To more specifically show the orientation effect of the device, refer to fig. 5-7, where fig. 5 is the effect of the fiber passing through the separator with larger interval, fig. 6 is the effect of the fiber passing through the separator with smaller interval, and fig. 7 is the effect of the fiber passing through the separator with smaller interval, and as compared with the former, the orientation effect of the fiber is worse when the interval between the separators is too large, if the interval is smaller, the fiber may be blocked at the entrance of the separator, and if the separators with alternately distributed lengths are adopted, no blocking occurs, and the orientation effect is better.
In summary, the present utility model provides a concrete fiber orienting device, which includes: the concrete collecting mechanism 1 and the guide mechanism 2 are arranged in the concrete collecting mechanism 1, and a concrete channel 3 is arranged in the concrete collecting mechanism 1; the guide mechanism 2 is arranged at the bottom of the concrete collecting mechanism, a fiber guide channel 4 is arranged in the guide mechanism 2, the fiber guide channel 4 is communicated with the concrete channel 3, a plurality of first partition boards 5 and a plurality of second partition boards 6 are arranged in the fiber guide channel 4, the first partition boards 5 and the second partition boards 6 are alternately and alternately arranged at intervals along the direction perpendicular to the concrete flow direction, and the length of the first partition boards 5 is longer than that of the second partition boards 6; according to the utility model, the mixed concrete is subjected to directional treatment for the first time by arranging the concrete concentration mechanism 1, fibers in the concrete are directionally carded by the concrete channel 3, and the first partition board 5 and the second partition board 6 are arranged in the middle of the fiber guide channel 4, so that the fibers are subjected to secondary directional treatment due to different lengths of the first partition board 5 and the second partition board 6, the fibers are prevented from being blocked at the entrance of the partition board, and the fibers are accurately and uniformly oriented, so that the fiber directional carding effect is better.
Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the disclosed embodiments. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.
Claims (10)
1. A concrete fiber orienting device, comprising:
the concrete concentration mechanism is internally provided with a concrete channel;
the guiding mechanism is arranged at the bottom of the concrete collecting mechanism, a fiber guiding channel is arranged in the guiding mechanism and is communicated with the concrete channel, a plurality of first partition boards and a plurality of second partition boards are arranged in the fiber guiding channel, the first partition boards and the second partition boards are alternately and alternately arranged along the direction perpendicular to the concrete flow direction, and the length of the first partition boards is larger than that of the second partition boards.
2. The concrete fiber orientation apparatus of claim 1 wherein the concrete centering mechanism comprises:
a container;
the first guide piece is communicated with the bottom of the container, the first guide piece and the surface of the container are at an angle of 108 degrees, and the concrete channel is arranged in the first guide piece.
3. The concrete fiber orientation apparatus of claim 2 wherein said guide mechanism includes a second guide member disposed at an end of said first guide member facing away from said container, said second guide member having said fiber guide passage disposed therein, said fiber guide passage in communication with said concrete passage, and said fiber guide passage having a plurality of said first baffles and a plurality of said second baffles disposed therein.
4. A concrete fibre orientation device according to claim 3, wherein a plurality of clamping grooves are provided in the second guide member, the plurality of clamping grooves being arranged in sequence on the inner surface of the second guide member.
5. The concrete fiber orientation apparatus according to claim 4, wherein the first and second spacers are provided with protrusions, the protrusions being engaged with the clamping grooves.
6. The concrete fiber orientation apparatus according to claim 5, wherein the guide mechanism further comprises a fixing pad connected to an end of the second guide member facing away from the first guide member by a bolt, the fixing pad being for restricting positions of the first and second partition plates.
7. The concrete fiber orientation apparatus according to claim 6, wherein the first guide member has a first flange at an end facing away from the container, and the second guide member has a second flange at an end facing toward the first guide member, and the first flange is fastened to the second flange by the bolts.
8. The concrete fiber orientation apparatus of claim 7 wherein the lower end of the container is provided with a support frame.
9. The concrete fiber orientation apparatus according to claim 8, wherein the support frame has a plurality of ground wheels at a lower end thereof.
10. The concrete fiber orientation apparatus of claim 1 wherein the first separator plate is spaced from the second separator plate by 25mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223549382.2U CN219034066U (en) | 2022-12-27 | 2022-12-27 | Concrete fiber orientation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223549382.2U CN219034066U (en) | 2022-12-27 | 2022-12-27 | Concrete fiber orientation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219034066U true CN219034066U (en) | 2023-05-16 |
Family
ID=86284955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223549382.2U Active CN219034066U (en) | 2022-12-27 | 2022-12-27 | Concrete fiber orientation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219034066U (en) |
-
2022
- 2022-12-27 CN CN202223549382.2U patent/CN219034066U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219034066U (en) | Concrete fiber orientation device | |
| CN110026725A (en) | A kind of assembling apparatus of steel construction box column | |
| CN209261237U (en) | A kind of prefabricated panel clamping device | |
| CN105064151B (en) | A kind of section of track fastener installation tool | |
| CN209389665U (en) | It is a kind of with the compound cable support fast reinforced | |
| CN212376280U (en) | Formwork connecting device | |
| CN216442780U (en) | Steel chisel locating component and net cage frame equipment applying same | |
| CN108637556A (en) | A kind of stirrup fixing device and steel reinforcement cage assembly machine | |
| CN215594617U (en) | Steel bar positioning structure for building construction | |
| CN208561400U (en) | A kind of counterweight housing of elevator | |
| CN110206300A (en) | Fulcrum adjustable formwork holder device and its installation method | |
| CN208252046U (en) | A kind of anchor cable of adjustable-angle pulls out light rig job platform | |
| CN208009909U (en) | A kind of built with ribbed bricks wall construction reinforced bar guide device | |
| CN210636819U (en) | Pump line fixing device for construction | |
| CN215614689U (en) | Straightening equipment is used in production of prefabricated floor slab framework of steel reinforcement | |
| CN210945001U (en) | Flow-reducing delay baffling type anaerobic treatment device | |
| CN113136989A (en) | Assembled shear force wall tooth's socket type connection structure | |
| CN206655474U (en) | Fixative composition pin-connected panel stair template | |
| CN102518291A (en) | Plastering machine | |
| CN219548013U (en) | Steel structure connecting plate | |
| CN217602146U (en) | Superelevation shaped steel concrete column hoist device | |
| CN211769617U (en) | Elevator guide rail bracket assembly | |
| CN221047192U (en) | Steel bar broken end cutting straight thread threading integrated machine | |
| CN213538559U (en) | Adjustable fixing device for head box | |
| CN215564526U (en) | Three-way material distributing mechanism for cement mixing pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |