CN212331387U - Prefabricated component production facility and strickle mechanism thereof - Google Patents

Prefabricated component production facility and strickle mechanism thereof Download PDF

Info

Publication number
CN212331387U
CN212331387U CN202020713623.4U CN202020713623U CN212331387U CN 212331387 U CN212331387 U CN 212331387U CN 202020713623 U CN202020713623 U CN 202020713623U CN 212331387 U CN212331387 U CN 212331387U
Authority
CN
China
Prior art keywords
main
strickle
scraper
mechanism according
connecting plate
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
Application number
CN202020713623.4U
Other languages
Chinese (zh)
Inventor
周兆弟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202020713623.4U priority Critical patent/CN212331387U/en
Application granted granted Critical
Publication of CN212331387U publication Critical patent/CN212331387U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a prefabricated part production facility and a strickle mechanism thereof, wherein, the strickle mechanism comprises a main scraper blade and two groups of side scraper blades which are respectively arranged at the two transverse ends of the main scraper blade; one end of the side scraper is positioned at the front side of the scraping direction of the main scraper, and the bottom end of the main scraper is higher than that of the side scraper. When the precast pile is produced, the concrete in the mould can be uniformly distributed, so that the precast pile can be vibrated and troweled at the later stage, and the quality of a finished product is ensured.

Description

Prefabricated component production facility and strickle mechanism thereof
Technical Field
The utility model relates to a concrete placement equipment technical field, concretely relates to prefabricated component production facility and strickle mechanism thereof.
Background
The precast pile is usually manufactured by introducing concrete into a mold through a distributing mechanism, and then vibrating, troweling and the like the concrete in the mold so as to ensure the quality of a finished precast pile product. When the material is actually distributed in the die through the material distributing mechanism, the concrete material in the material distributing hopper is in a slope shape protruding upwards, and when the material distributing hopper works, the blanking at the hopper opening is uniform within a period of time; when the concrete on the two sides of the hopper falls off, only the concrete in the middle of the hopper falls off into the mould. Therefore, the concrete in the mould is usually that the middle part is higher, the side lacks the condition of material, among the current production technology, to under the inhomogeneous state of cloth, directly adopt the vibrting spear to vibrate not closely knit concrete material, shake the concrete material roughly flat, and the vibrting spear generally vibrates along the die cavity axis, the die cavity width broad or the whole inhomogeneous state of cloth of die set vibrations of vibrting spear also can't be with the centre pile up higher concrete to the side to lead to the condition of few materials to appear in the fashioned precast pile.
Therefore, how to evenly distribute the concrete in the mold when producing the precast pile so as to carry out vibration and trowelling operation on the precast pile at the later stage and ensure the quality of finished products is a technical problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated component production facility and strickle mechanism thereof, when producing the precast pile, can make the concrete cloth in the mould even to vibrate it, the floating operation, guarantee finished product quality in the later stage.
In order to solve the technical problem, the utility model provides a scraping mechanism for producing a prefabricated part, which comprises a main scraper blade and two groups of side scraper blades respectively arranged at the two transverse ends of the main scraper blade; one end of the side scraper is positioned at the front side of the scraping advancing direction of the main scraper, and the bottom end of the main scraper is higher than that of the side scraper.
The horizontal both ends of main scraper blade are equipped with the side scraper blade respectively, and the side scraper blade is located the front side of main scraper blade scraping direction (advancing direction), and after letting in the mould or the die cavity of mould group with the concrete through cloth mechanism, the height that highly will be higher than the concrete of the lateral wall position department of mould of middle part position department in the mould, perhaps, the height that highly will be higher than the concrete of mould group opposite side in the mould width direction of the concrete of one side. Because the bottom end of the main scraper is higher than that of the side scrapers, when the concrete above the mould is strickled, the side scrapers are contacted with the side wall of the mould or the two side walls of the outer side of the mould group, so that the levelness of the strickle mechanism during walking is ensured; under the action of the main scraper, the concrete higher than the bottom of the main scraper will move forwards and backwards to replenish the position with insufficient concrete in the mold at any time, under the protection and guide action of the side scrapers, in the pushing process of concrete, concrete material flows to the middle part of the die cavity along the inner side walls of the side scrapers with preset angles, and the concrete material flows in the die cavity all the time and cannot flow out of the die cavity under the pushing action, thereby ensuring that the uncompacted concrete above the mould is even and convex upwards after the strickling operation of the strickling mechanism, facilitating the elimination of gaps of the concrete material after the concrete in the mould is vibrated in the later period, ensuring the height of the concrete material in the mould cavity, obtaining the precast pile with accurate size after the strickling operation, meanwhile, the condition that the upper surface of the precast pile is partially lack of materials can be avoided, and the quality of finished products is guaranteed.
Optionally, the side screed comprises a lateral plate, the lateral plate being adjustable in angle relative to the main screed.
Optionally, the side scrapers further comprise a connecting plate connected between the main scraper and the side plates, and the connecting plate and the side plates are rotatably connected and can be connected and fixed through locking pieces.
Optionally, the horizontal both ends of main scraper blade are equipped with the slide respectively along its length direction, the connecting plate can be followed the slide slides and accessible mounting with main scraper blade is connected fixedly.
Optionally, the slide is a long hole, and the fixing member is a connecting bolt that can pass through the long hole and is fixedly connected with the connecting plate.
Optionally, the height of the bottom end of the connecting plate is the same as the height of the bottom end of the lateral plate.
Optionally, the scraping device further comprises a mounting seat and a lifting mechanism arranged on the mounting seat, wherein the mounting seat is used for fixing the scraping mechanism, and the lifting mechanism is used for driving the main scraping plate to lift.
Optionally, the lifting mechanism includes a driving portion and a guide, the driving portion includes a motor, a lead screw and a nut, the lead screw is parallel to the guide, the bottom end of the lead screw is fixed to the main scraper, and the motor can drive the nut to rotate and drive the main scraper to move along the guide through the lead screw.
Optionally, the guide piece is a guide post, the bottom end of the guide post is fixed to the main scraper, the mounting base is provided with a through hole matched with the guide post, and the guide post can move along the through hole.
Additionally, the utility model also provides a prefabricated component production facility, it includes along the cloth direction before having cloth mechanism, as above strickle mechanism and the floating mechanism of vibration that sets gradually after to.
The technical effect of the prefabricated part production equipment with the strickle mechanism is similar to that of the strickle mechanism, and is not repeated herein for saving space.
Drawings
Fig. 1 is a schematic structural view of a strickle mechanism according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a schematic view of the screed mechanism from another perspective.
In the accompanying fig. 1-3, the reference numerals are illustrated as follows:
1-main scraper, 11-slideway;
2-side scraping plate, 21-side plate, 22-connecting plate and 23-locking piece;
3-connecting bolts;
4-mounting a base;
51-driving part, 511-motor, 512-screw rod, 52-guide column, 53-lifting plate, 531-lifting point.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, fig. 1 is a schematic structural diagram of a strickle mechanism according to an embodiment of the present invention; FIG. 2 is an enlarged view of a portion of FIG. 1; fig. 3 is a schematic view of the screed mechanism from another perspective.
The embodiment of the utility model provides a prefabricated component production facility and strickle mechanism thereof, wherein, prefabricated component production facility includes along the cloth direction by preceding cloth mechanism, strickle mechanism and the floating mechanism of vibration that sets gradually after to, wherein, cloth mechanism is used for letting in the concrete in to the mould, strickles the upper surface of mechanism from the mould and tentatively strickles the operation to the concrete, then the floating mechanism of rethread vibration vibrates the concrete in to the mould and screeds to guarantee this precast pile off-the-shelf quality.
Specifically, as shown in fig. 1 and fig. 3, the strickle mechanism provided by this embodiment includes a main scraper 1 and two sets of side scrapers 2, where the two sets of side scrapers 2 are respectively disposed at the lateral ends of the main scraper 1, one end of the side scraper 2 is located at the front side of the main scraper 1 facing the scraping direction, and the bottom end of the main scraper 1 is higher than the bottom end of the side scrapers 2.
The horizontal both ends of main scraper blade 1 are equipped with side scraper blade 2 respectively, and side scraper blade 2 is located the front side of main scraper blade 1 scraping material direction (advancing direction), and after letting in the mould intracavity of mould with the concrete through cloth mechanism, the height that highly will be higher than the concrete of the lateral wall position department of mould of middle part position department in the mould, perhaps, the height that highly will be higher than the concrete of mould group opposite side in the mould group width direction of the concrete of one side. Because the bottom end of the main scraper blade 1 is higher than the bottom end of the side scraper blades 2, when the concrete above the mould is strickled, the side scraper blades 2 are contacted with the side wall of the mould or the two side walls of the outer side of the mould group, and the levelness of the strickle mechanism during walking is ensured; under the action of the main scraper 1, the concrete higher than the bottom of the main scraper 1 will move forwards and to both sides to supplement the position of the insufficient concrete in the mould at any time, in addition, under the protection and guide action of the side scraping plates 2, in the pushing process of concrete, concrete material flows to the middle part of the die cavity along the inner side walls of the side scraping plates 2 with preset angles, and the concrete material flows in the die cavity all the time and cannot flow out of the die cavity under the pushing action, thereby ensuring that the uncompacted concrete above the mould is even and convex upwards after the strickling operation of the strickling mechanism, facilitating the elimination of gaps of the concrete material after the concrete in the mould is vibrated in the later period, ensuring the height of the concrete material in the mould cavity, obtaining the precast pile with accurate size after the strickling operation, meanwhile, the condition that the upper surface of the precast pile is partially lack of materials can be avoided, and the quality of finished products is guaranteed.
In the above embodiment, the side flight 2 includes the side plates 21, the side plates 21 of the two sets of side flights 2 are both provided on the front side of the main flight 1 (the front side refers to the front side facing the direction of scraping), and the angle between the side flights 2 with respect to the main flight 1 is adjustable. That is, one lateral plate 21 is provided on each side of the main screed 1, and both lateral plates 21 are rotatable with respect to the main screed 1 to adjust an angle between the main screed 1 and the lateral plates 21. When the concrete is used, the two lateral plates 21 incline outwards relatively by adjusting the lateral scraping plates 2, namely, one lateral plate 21 inclines towards one side far away from the other lateral plate 21, the two lateral plates 21 form a splayed structure, the closing end of the splayed structure is connected with the main scraping plate 1, after concrete is introduced into a die cavity of the die through the distributing mechanism, the scraping mechanism slides along the upper part of the die, the bottom ends of the lateral plates 21 can be attached to the side wall of the die, in the sliding process of the scraping mechanism, the lateral scraping plates 2 can push the concrete accumulated on the higher side in the die cavity to the middle part of the die cavity, and meanwhile, the lateral scraping plates 2 can also push the concrete falling on the upper part of the side wall of the die into the die along the inclined planes of the lateral plates 21. Specifically, in this embodiment, the included angle between the two lateral plates 21 is not limited, and can be specifically adjusted according to actual situations.
Alternatively, in this embodiment, the lateral plate 21 may be a circular arc plate (not shown), and the outermost side of the circular arc plate is flush with the outer sidewall of the mold. The shape of the lateral plate 21 can be set according to the requirement, and the lateral plate 21 is set as an inclined plate, so that the manufacturing process can be simplified, and the materials can be conveniently obtained.
In the above embodiment, the side scraping plate 2 further comprises a connecting plate 22, the connecting plate 22 is connected between the main scraping plate 1 and the side plate 21, and the connecting plate 22 and the side plate 21 are rotatably connected and fixed by a locking member 23, in this embodiment, the locking member 23 may be a bolt, a screw or other fasteners. That is, the lateral plate 21 is not directly fixed to the main screed 1, but is fixed by the connecting plate 22, and particularly, the angle between the lateral plate 21 and the main screed 1 can be adjusted by adjusting the rotation of the lateral plate 21 relative to the connecting plate 22, so that the position of the lateral plate 21 can be adjusted and fixed.
Specifically, as shown in fig. 2, the connecting plate 22 and the lateral plate 21 are respectively provided with a connecting lug and can be fixed through a locking piece 23, the lateral plate 21 can rotate around the axis of the locking piece 23, the locking piece 23 can be screwed to fix the lateral plate 21 after the lateral plate 21 is adjusted to rotate to a required angle, the inclination angle alpha (namely the included angle between the lateral plate 21 and the main scraper 1) of the lateral plate 21 can be adjusted, and the strickle mechanism can be suitable for moulds with different widths, so that the applicability is improved.
Therefore, in this embodiment, for molds with different widths, the inclination angle α of the lateral plates 21 can be adjusted, and the connecting plate 22 can also be adjusted to slide along the slide rail 11 to change the distance between the two lateral plates 21.
In the above embodiment, the two transverse ends of the main scraper 1 are further provided with the slideways 11 along the length direction thereof, and the connecting plate 22 can slide along the slideways 11 and is connected and fixed with the main scraper 1 through the fixing member, so that the distance between the two lateral plates 21 can be changed by adjusting the overlapping length between the connecting plate 22 and the main scraper 1, and the connecting plate is further suitable for molds with different widths, thereby improving the applicability.
Further, the slide 11 is a long hole formed in the main scraper 1, and the fixing member is a connecting bolt 3 capable of penetrating through the long hole and being fixedly connected to the connecting plate 22, specifically, at least two connecting bolts 3 are arranged at intervals to ensure the connection stability between the connecting plate 22 and the main scraper 1. Alternatively, in this embodiment, the slideway 11 may be a slide rail or a slide groove, and the connecting plate 22 is provided with a slider, and the slider can slide along the slide rail or the slide groove, and after the connecting plate 22 slides to a proper distance, it may be fixed with the main scraper 1 by a clip fixing member. When the slide 11 is formed as a long hole and the connecting plate 22 and the main screed 1 are fixed by the connecting bolt 3, the entire structure can be simplified.
Further, the bottom height of this connecting plate 22 is the same with the bottom height of side direction board 21, so sets up, can make through this strickle mechanism strickle the operation back, and the concrete volume of mould top is more even to concentrate at main scraper blade 1 place, the later stage of being convenient for is vibrated, is floated the operation in the concrete in this mould.
In the above embodiment, the strickle mechanism further includes an installation seat 4 and a lifting mechanism, where the installation seat 4 is used to fix the strickle mechanism, specifically, the installation seat 4 is fixed on other structures of the prefabricated component production equipment, such as a rack, and moves along with the distribution mechanism, and the strickle mechanism is located behind the distribution mechanism to strickle off the concrete introduced into the mold. The lifting mechanism is arranged on the mounting seat 4, and is used for adjusting the heights of the main scraper 1 and the side scrapers 2 so as to adjust before use, specifically, the main scraper 1 is lifted through the lifting mechanism, so that the lateral plates 21 of the side scrapers 2 on two sides of the main scraper 1 can abut against the upper surface of the side wall of the mold, and then the scraping operation can be realized through movement.
That is, in this embodiment, the scraping mechanism can be operated mechanically to scrape the surface of the concrete, specifically, the mounting seat 4 can be fixedly connected to a driving component for moving the scraping mechanism, and the driving component drives the scraping mechanism to move so that the lower section of the side scraping plate 2 abuts against the top end of the side wall of the mold and moves along the length direction of the mold, so as to scrape the concrete in the mold; or, the strickling mechanism can be operated manually, specifically, the operator holds the strickling mechanism (for example, holds the main scraper 1) to make the lower end surface of the side scraper 2 cling to the top end of the side wall of the mold and move along the length direction of the mold, so as to strickling the concrete in the mold. And the mechanical operation can simplify manual operation, reduce the labor cost, ensure the scraping quality and save time and high efficiency.
Further, elevating system includes drive division 51 and guide, wherein, drive division 51 includes motor 511, lead screw 512 and nut, lead screw 512 and guide parallel arrangement, and the bottom of lead screw 512 is fixed with main scraper blade 1, and motor 511 can the drive nut rotate, and make lead screw 512 drive main scraper blade 1 along the length direction rebound of guide, and the setting of this guide can avoid main scraper blade 1 to take place to rotate, guarantees its lift that can stabilize.
Or, in this embodiment, the lifting mechanism can also drive the main scraper 1 to lift through a chain rope, a gear, a rack and the like, and the main scraper 1 is lifted and lowered through the motor 511, the screw rod 512 and the nut, so that the whole structure is simplified, the cost is low and the stability is good.
Furthermore, in this embodiment, the guiding element is a guiding post 52, the bottom end of the guiding post 52 is fixed to the main scraper 1, the mounting base 4 is provided with a through hole adapted to the guiding post 52, the guiding post 52 can move along the through hole, that is, when the driving portion 51 drives the main scraper 1 to move up and down through the screw rod 512, the main scraper 1 can drive the guiding post 52 to move up and down, and the guiding post 52 enables the main scraper 1 to move only in the vertical direction due to the limitation of the through hole.
Specifically, the lifting mechanism further comprises a lifting plate 53 provided with a lifting point 531, the lifting plate 53 is connected with the main scraper 1, the driving portion 51 can lift the lifting plate 53 through the lifting point 531 so as to drive the main scraper 1 to lift, the main scraper 1 and the side scraper 2 are taken as a scraper component, the lifting point 531 is located at the central position of the scraper component in the length direction, and thus, the lifting operation of the driving portion 51 on the main scraper 1 is facilitated, and the lifting mechanism can be kept stable in the lifting process. Specifically, the lifting plate 53 may be fixedly connected or adjustably connected to the main screed 1, when the lifting plate 53 is fixedly connected to the main screed 1, the lifting point 531 may be disposed at a middle position in a length direction of the main screed 1, and then the relative positions of the two side screeds 2 are symmetrically adjusted at the same time, when the lifting plate 53 is adjustably connected to the main screed 1, the lifting plate 53 may be moved within a certain range along the length direction of the main screed 1, and at this time, only the position of one side screed 2 may be adjusted, and then the lifting point 531 is just located at the middle position of the screed assembly by adjusting the position of the lifting plate 53.
Specifically, in this embodiment, the number of the guide posts 52 may be two as shown in fig. 1 and fig. 3, and the two guide posts are respectively located at two sides of the screw rod 512, or the number of the guide posts 52 may also be one, which is not limited herein. In addition, it is also possible to provide the guide as a structure of a slide rail or a slide groove along which the main screed 1 is provided with a slide member, and to provide the guide as the guide post 52 simplifies the overall structure and facilitates the arrangement of the guide.
In the above embodiment, the height difference between the bottom end of the main scraper 1 and the bottom end of the side scraper 2 is 3 mm-200 mm, so as to ensure that after the scraping operation of the scraping mechanism, the upper surface of the mold can form a raised structure with a certain height, which is convenient for realizing the effect of material supplement in the later vibration leveling operation and simultaneously can not cause obstruction due to more concrete materials.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The scraping mechanism for producing the prefabricated part is characterized by comprising a main scraper (1) and two groups of side scrapers (2) which are respectively arranged at the two transverse ends of the main scraper (1);
one end of the side scraper (2) is positioned at the front side of the scraping advancing direction of the main scraper (1), and the bottom end of the main scraper (1) is higher than that of the side scraper (2).
2. Strickle mechanism according to claim 1, characterized in that the side screed (2) comprises lateral plates (21), the angle between the lateral plates (21) with respect to the main screed (1) being adjustable.
3. Strickle mechanism according to claim 2, characterized in that the side screed (2) further comprises a connecting plate (22), the connecting plate (22) being connected between the main screed (1) and the lateral plate (21), the connecting plate (22) and the lateral plate (21) being rotatably connected and being connectively fixable by means of a locking element (23).
4. The strickling mechanism according to claim 3, characterized in that the main strickle (1) is provided with slideways (11) at its two transverse ends along its length direction, and the connecting plate (22) can slide along the slideways (11) and can be connected and fixed with the main strickle (1) by fixing members.
5. The strickling mechanism according to claim 4, characterized in that the slideway (11) is an elongated hole, and the fixing element is a connecting bolt (3) which can pass through the elongated hole and is fixedly connected with the connecting plate (22).
6. Strickle mechanism according to claim 4, characterized in that the bottom end of the connecting plate (22) is at the same height as the bottom end of the lateral plate (21).
7. The strickle mechanism according to any one of claims 1 to 6, further comprising a mounting base (4) and a lifting mechanism provided on the mounting base (4), wherein the mounting base (4) is used for fixing the strickle mechanism, and the lifting mechanism is used for driving the main strickle (1) to lift.
8. The strickle mechanism according to claim 7, wherein the lifting mechanism comprises a driving part (51) and a guide, the driving part (51) comprising a motor (511), a lead screw (512) and a nut, the lead screw (512) being parallel to the guide, and a bottom end of the lead screw (512) being fixed to the main blade (1), the motor (511) being capable of driving the nut to rotate and driving the main blade (1) to move along the guide via the lead screw (512).
9. The strickle mechanism according to claim 8, wherein the guide means are guide posts (52), the bottom ends of the guide posts (52) being fixed to the main screed (1), the mounting base (4) being provided with through holes adapted to the guide posts (52), the guide posts (52) being movable along the through holes.
10. A prefabricated part production facility, characterized by comprising a material distribution mechanism, a strickling mechanism according to any one of claims 1 to 9 and a vibration screeding mechanism which are arranged in sequence from front to back in the material distribution direction.
CN202020713623.4U 2020-04-30 2020-04-30 Prefabricated component production facility and strickle mechanism thereof Active CN212331387U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020713623.4U CN212331387U (en) 2020-04-30 2020-04-30 Prefabricated component production facility and strickle mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020713623.4U CN212331387U (en) 2020-04-30 2020-04-30 Prefabricated component production facility and strickle mechanism thereof

Publications (1)

Publication Number Publication Date
CN212331387U true CN212331387U (en) 2021-01-12

Family

ID=74078925

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020713623.4U Active CN212331387U (en) 2020-04-30 2020-04-30 Prefabricated component production facility and strickle mechanism thereof

Country Status (1)

Country Link
CN (1) CN212331387U (en)

Similar Documents

Publication Publication Date Title
CN110241692B (en) Highway construction concrete pouring device and operation method
CN111571764B (en) Manufacturing and processing machine for assembly type PC prefabricated part and using method thereof
CN110653924A (en) Building masonry concrete brick forming and manufacturing system and manufacturing method thereof
US4131670A (en) Method of making prefabricated building components of expanded material and cement
CN112720781B (en) Floor tile manufacturing device for archaize building processing
CN113146800B (en) Pouring forming method for high-strength reinforced concrete prefabricated staircase
CN108655341B (en) Vibration sanding device for 3D printing and debugging method of vibration sanding device
CN212331387U (en) Prefabricated component production facility and strickle mechanism thereof
CN1041906C (en) Method and apparatus for manufacturing PC concrete plate
CN113246261B (en) Device is pour to assembly type structure module
US20150147428A1 (en) Agitator grid with adjustable restrictor elements for concrete block machine
CN103737714B (en) Semi automatic block streamline
CN211030550U (en) Sand base brick production facility that permeates water
CN112895065A (en) Prefabricated plate production system
CN217231371U (en) Asphalt paving machine jolt ramming mechanism is used in municipal administration road bridge construction
CN112917641B (en) Concrete perforated brick casting molding processing system
CN211615962U (en) Prefabricated plate production system
CN210233395U (en) Vibrating table for manufacturing concrete slabs
CN113263606A (en) Concrete wallboard pouring device for civil construction engineering
CN112277124A (en) Batch production preparation method of lightweight concrete heat-insulation building blocks
CN212763986U (en) Floating device of annular full-automatic production line cloth machine
CN220301811U (en) Cast-in-place concrete floor thickness and flatness control device
CN216239793U (en) Automatic cement pouring equipment
CN214739638U (en) Plastering tool for wall brick and floor tile
CN220482023U (en) Prefabricated component upper surface vibration trowelling equipment

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant