CN108927888B - Moving mechanism for concrete prefabrication mould - Google Patents
Moving mechanism for concrete prefabrication mould Download PDFInfo
- Publication number
- CN108927888B CN108927888B CN201811050351.8A CN201811050351A CN108927888B CN 108927888 B CN108927888 B CN 108927888B CN 201811050351 A CN201811050351 A CN 201811050351A CN 108927888 B CN108927888 B CN 108927888B
- Authority
- CN
- China
- Prior art keywords
- guide rail
- rod
- moving mechanism
- push rod
- concrete
- 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.)
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- 239000004567 concrete Substances 0.000 title claims abstract description 25
- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 238000009417 prefabrication Methods 0.000 title description 4
- 238000007790 scraping Methods 0.000 claims abstract description 48
- 239000011178 precast concrete Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 7
- 238000010276 construction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
-
- B08B1/165—
-
- B08B1/30—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
Abstract
The invention discloses a moving mechanism for a concrete prefabricating die, which comprises a guide rail, a bracket and rollers, wherein guide rail through grooves are formed in the guide rail, guide rail V-shaped slopes are formed in two sides of the guide rail, the rollers are arranged at the bottoms of the guide rail V-shaped slopes, and the rollers are matched with the guide rail V-shaped slopes; the two sides of the bracket are provided with side plates, and the idler wheels are connected with the side plates through rotating shafts; the two ends of the side plate are provided with scraping devices, each scraping device comprises a scraping plate and a push rod, the side face of each scraping plate is in contact with the V-shaped slope of the guide rail, one end of each scraping plate is connected with each push rod, the other end of each push rod is provided with a push rod support, each push rod support is provided with a swing rod, each swing rod comprises an upper rod and a lower rod, a torsion spring is arranged at the hinge joint of each upper rod and each lower rod, and a stop block is arranged at the inner top of each side plate; the upper part of the lower rod is hinged with the ejector rod bracket, and the lower end of the lower rod is provided with a pendulum; the ejector rod is provided with a jacking spring. The invention aims to provide a moving mechanism for a concrete prefabricating die, which can clean foreign matters on a guide rail in the moving process, ensures the normal movement of the mechanism and is convenient to use.
Description
Technical Field
The invention belongs to the field of concrete prefabrication dies, and particularly relates to a moving mechanism for a concrete prefabrication die.
Background
The concrete prefabricated member is called PC component in the field of house industrialization, such as prefabricated reinforced concrete column foundation, prefabricated steel structure steel column foundation, street lamp billboard column reinforced concrete foundation, prefabricated floor slab and the like. Corresponding to the traditional cast-in-place concrete, the cast-in-place concrete needs site molding, site casting and site maintenance. Compared with cast-in-place concrete, the concrete prefabricated member has a plurality of advantages: 1. for construction workers, the relatively stable working environment in a factory is higher than the complex working safety factor of a construction site; 2. the quality and process of the building components can be better controlled by mechanized production; 3. the standardization of the size and the characteristics of the prefabricated parts can obviously accelerate the installation speed and the construction progress; 4. compared with the traditional on-site molding, the mold in the factory can be recycled, the comprehensive cost is lower, the requirement of mechanized production on labor is less, and along with the continuous increase of the labor cost, the cost advantage of the prefabricated member produced in large scale is more obvious; 5. the construction site operation amount of the prefabricated member is obviously reduced, and the dust pollution and the noise pollution are obviously reduced. Therefore, the concrete prefabricated member is widely applied to the fields of construction, traffic, water conservancy and the like, and plays an important role in national economy.
At present, a hoisting mode is adopted when a precast concrete member die is assembled, demolded or moved, and in the specific use process, equipment such as a crane in a factory is required to be frequently used because of heavy weight, especially under the condition of compact production task, equipment resource contradiction is seriously excited, the production efficiency is affected, the repeated positioning accuracy of the mode of hoisting the die is poor, and a great amount of time and labor are consumed in the next production period to assemble and position the die. However, there are also existing forms that use a pulley to match with a rail to support the form, but the existing rail is open, when the mold slides on the existing rail, concrete slurry is easy to spill into the rail, and because of the cohesiveness of the existing rail, the concrete slurry is adhered to the rail after solidification, so that the rail or the roller is blocked, cleaning and maintenance are difficult, the components that cannot be cleaned can only be scrapped, time and labor are wasted, waste is serious, and meanwhile, the construction progress is influenced, so that a more intensive study on a problem is necessary.
Disclosure of Invention
The invention aims to solve the problems and provides a moving mechanism for a concrete prefabricating die, which can clean foreign matters on a guide rail in the moving process, ensures the normal movement of the mechanism and is convenient to use.
In order to achieve the above purpose, the invention adopts the following technical scheme: the moving mechanism for the concrete prefabricating die comprises a guide rail, a bracket and rollers, wherein guide rail through grooves are formed in the guide rail along the extending direction of the guide rail, and guide rail V-shaped slope surfaces are oppositely arranged on two sides of the guide rail; the prefabricated mold is erected above the bracket, rollers are arranged at the bottom of the prefabricated mold, the sections of the rollers are V-shaped, and the rollers are matched with the V-shaped slope of the guide rail; the two sides of the bracket are provided with side plates, and the idler wheels are connected with the side plates through rotating shafts; the scraping device comprises a scraping plate and a push rod, wherein the side surface of the scraping plate is contacted with the V-shaped slope surface of the guide rail, one end of the scraping plate is connected with the push rod, the push rod movably penetrates through the end surface of the side plate, a push rod support is arranged at the other end of the push rod, a swing rod is arranged on the push rod support and comprises an upper rod and a lower rod, the end parts of the upper rod and the lower rod are mutually hinged, a torsion spring for resetting is arranged at the hinged position of the upper rod and the lower rod, and a stop block for limiting the upper end of the upper rod is arranged at the inner top of the side plate along the extending direction of the guide rail; the upper part of the lower rod is hinged with the ejector rod bracket, and the lower end of the lower rod is provided with a pendulum bob which can be contacted with the ejector rod bracket; and the ejector rod is provided with a pushing spring for pushing the scraping plate tightly.
Further, a tensioning spring for tensioning the lower rod is arranged on the ejector rod support.
Further, one end of the scraping plate is provided with a scraping plate mounting seat matched with the ejector rod.
Further, the scraping plate mounting seat is matched with the guide rail through groove, and a mounting seat through hole is formed in the side face of the scraping plate mounting seat.
Further, a guide cambered surface is arranged on the scraping plate.
Further, a rubber pad is arranged on the contact surface of the scraping plate and the V-shaped slope surface of the guide rail.
Further, the roller is formed by oppositely arranging two revolution bodies, a revolution body through hole matched with the rotating shaft is arranged on the axis of the revolution body, and a revolution body inclined surface matched with the V-shaped inclined surface of the guide rail is arranged on the side surface of the roller.
Furthermore, one side of the revolving body, which is far away from the revolving body inclined plane, is provided with a revolving body mounting hole, and an angular contact ball bearing is arranged in the revolving body mounting hole.
Further, the side plate is relatively provided with a side plate mounting groove with a downward opening and matched with the rotating shaft, and the side plate mounting groove is provided with an ear plate for limiting the axial movement of the rotating shaft.
Further, the end face of the side plate is provided with a side plate mounting hole matched with the ejector rod.
The invention has the beneficial effects that: in the moving process of the mechanism, the foreign matters on the guide rail can be cleaned, so that the normal movement of the mechanism is ensured, and the mechanism is convenient to use; the device can scrape the foreign matters accumulated on the guide rail without additionally arranging a power mechanism, has small investment and low cost, and is suitable for popularization and application.
1. The tensioning spring on the ejector rod support increases the impact force of the pendulum bob on the ejector rod support, so that the effect of removing the foreign matters is better;
2. scraping plate one end is installed through scraping plate mount pad and ejector pin cooperation, is convenient for dismouting and change, scrapes the cooperation of flitch mount pad and guide rail logical groove, and its side is equipped with the mount pad through-hole, and the scraping plate of guide rail both sides passes through the bolt and is connected with the mount pad through-hole cooperation for it is more abundant to scrape flitch and the domatic contact of guide rail V-arrangement, guarantees the effective striking off of deposition.
Drawings
Fig. 1 is a schematic diagram of a front view structure of the present invention.
FIG. 2 is a schematic view of a cross-sectional structure of the invention.
FIG. 3 is a schematic view of a B-B cross-sectional structure of the present invention.
Fig. 4 is a schematic view of a partial enlarged structure of the present invention at C.
Fig. 5 is a right-side view of the present invention.
Fig. 6 is a schematic view of a partial enlarged structure of the present invention D.
Fig. 7 is a schematic perspective view of a scraping plate according to the present invention.
FIG. 8 is a schematic view of the mounting relationship of the upper and lower rods of the present invention.
The text labels in the figures are expressed as: 1. a guide rail; 101. the guide rail is communicated with the groove; 102. v-shaped slope of guide rail; 2. a bracket; 21. a side plate; 211. a stop block; 212. a side plate mounting groove; 213. ear plates; 214. a side plate mounting hole; 3. a roller; 31. a rotating shaft; 32. a revolving body; 321. a revolving body through hole; 322. a revolving body inclined plane; 323. a rotor mounting hole; 33. angular contact ball bearings; 4. a scraping device; 41. a scraping plate; 411. a scraper mounting seat; 412. a mounting seat through hole; 413. a material guiding cambered surface; 414. a rubber pad; 42. a push rod; 421. a push rod bracket; 43. swing rod; 431. a pole is arranged; 432. a lower rod; 4321. a pendulum; 4322. tensioning the spring; 433. a torsion spring; 44. the spring is tightly propped.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present invention, the following detailed description of the present invention with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present invention.
As shown in fig. 1-8, the specific structure of the invention is as follows: the moving mechanism for the concrete prefabricating die comprises a guide rail 1, a bracket 2 and a roller 3, wherein the guide rail 1 is provided with a guide rail through groove 101 along the extending direction of the guide rail, and two sides of the guide rail are provided with guide rail V-shaped sloping surfaces 102 (the sloping surfaces are less prone to accumulating materials); a prefabricated die is erected above the bracket 2, a roller 3 is arranged at the bottom of the prefabricated die, the section of the roller 3 is V-shaped and is matched with the V-shaped slope 102 of the guide rail; the two sides of the bracket 2 are provided with side plates 21, and the roller 3 is connected with the side plates 21 through a rotating shaft 31; the two ends of the side plate 21 are respectively provided with a scraping device 4, the scraping devices 4 comprise a scraping plate 41 and a push rod 42, the side surface of the scraping plate 41 is in contact with the V-shaped slope 102 of the guide rail, one end of the scraping plate is connected with the push rod 42, the push rod 42 movably penetrates through the end surface of the side plate 21, the other end of the push rod 42 is provided with a push rod support 421, the push rod support 421 is provided with a swing rod 43, the swing rod 43 comprises an upper rod 431 and a lower rod 432, the end parts of the upper rod 431 are mutually hinged, a torsion spring 433 for resetting is arranged at the hinged part of the lower rod 432, and a stop block 211 for limiting the upper end of the upper rod 431 is arranged at the inner top of the side plate 21 along the extending direction of the guide rail 1; the upper part of the lower rod 432 is hinged with the ejector rod bracket 421, and the lower end of the lower rod 432 is provided with a pendulum 4321 which can be contacted with the ejector rod bracket 421; the ejector rod 42 is provided with a pushing spring 44 for pushing the scraping plate 41.
Preferably, the ejector bracket 421 is provided with a tension spring 4322 for tensioning the lower rod 432. The tensioning spring 4322 increases the impact force of the pendulum 4321 on the ejector rod support 421, so that the effect of removing the foreign matters is better.
Preferably, one end of the scraping plate 41 is provided with a scraping plate mounting seat 411 matched with the ejector rod 42. The installation of the scraping plate 41 and the ejector rod 42 is facilitated.
Preferably, the scraper mounting seat 411 is matched with the guide rail through groove 101, and a mounting seat through hole 412 is arranged on the side surface of the scraper mounting seat. The scraping plates 41 on the two sides of the guide rail 1 are matched and connected with the mounting seat through holes 412 through bolts, so that the scraping plates 41 are in full contact with the V-shaped slope 102 of the guide rail.
Preferably, the scraping plate 41 is provided with a guiding cambered surface 413. When scraping the accumulated material on the surface of the guide rail 1, the material guiding cambered surface 413 reduces the running resistance of the scraping plate 41, which is more beneficial to scraping the foreign matters.
Preferably, a rubber pad 414 is arranged on the contact surface of the scraping plate 41 and the guide rail V-shaped slope 102. The surface of the guide rail 1 is protected, so that the rigid contact of the guide rail is prevented, and the abrasion is accelerated.
Preferably, the roller 3 is formed by oppositely arranging two revolution bodies 32, the axis of the revolution body 32 is provided with a revolution body through hole 321 matched with the rotation shaft 31, and the side surface of the revolution body through hole is provided with a revolution body inclined surface 322 matched with the guide rail V-shaped inclined surface 102. The roller 3 is convenient to install and replace.
Preferably, a rotator mounting hole 323 is provided on a side of the rotator 32 away from the rotator inclined surface 322, and an angular contact ball bearing 33 is provided in the rotator mounting hole 323. The angular contact ball bearings 33, which are disposed opposite each other on both sides of the roller 3, serve to carry axial and radial forces, reducing wear.
Preferably, the side plate 21 is relatively provided with a side plate mounting groove 212 with a downward opening and matched with the rotating shaft 31, and the side plate mounting groove 212 is provided with an ear plate 213 for limiting the axial movement of the rotating shaft 31. The rotating shaft 31 is provided with a notch which is adaptive to the width of the lug plate 213, and the lug plate 213 is mounted at the side plate mounting groove 212 through a bolt after clamping the notch, so that the disassembly and the assembly are convenient.
Preferably, the end surface of the side plate 21 is provided with a side plate mounting hole 214 matched with the ejector rod 42. For restricting movement of the jack 42.
When the support 2 is carried on the prefabricated die and moves along the guide rail 1, when the combination of the foreign matters and the guide rail V-shaped slope 102 is light, the scraping plate 41 at the front end of the support 2 scrapes the foreign matters accumulated on the guide rail V-shaped slope 102, when the combination of the foreign matters and the guide rail V-shaped slope 102 is tight, the scraping plate 41 is limited to move along with the movement of the support 2, the pushing spring 44 is compressed, at the moment, the upper rod 431 is limited to move after being contacted with the stop 211, the lower rod 432 at the lower end is driven (simultaneously, the pendulum 4321 is driven) to swing, after the lower rod 432 swings by a certain angle, the upper rod 431 is separated from the stop 211, the pendulum 4321 returns under the action of gravity to impact the ejector rod support 421, and then the upper rod 431 is sequentially contacted with and separated from the plurality of stops 211 along with the movement of the support 2 until the combined foreign matters on the guide rail 1 are scraped, and when the ejector rod 42 returns, the lower end of the upper rod 431 can rotate around the upper end of the lower rod 432, so that the foreign matters can be effectively prevented from moving back to the normal position, and the guide rail 433 can be conveniently cleaned by the mechanism in a normal position; the device can scrape the foreign matters accumulated on the guide rail without additionally arranging a power mechanism, has small investment and low cost, and is suitable for popularization and application.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present invention have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present invention and its core ideas. The foregoing is merely illustrative of the preferred embodiments of this invention, and it is noted that there is objectively no limit to the specific structure disclosed herein, since numerous modifications, adaptations and variations can be made by those skilled in the art without departing from the principles of the invention, and the above-described features can be combined in any suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present invention.
Claims (9)
1. The moving mechanism for the concrete prefabricating die comprises a guide rail (1), a bracket (2) and rollers (3), and is characterized in that the guide rail (1) is provided with a guide rail through groove (101) along the extending direction of the guide rail, and two sides of the guide rail are provided with guide rail V-shaped slope surfaces (102) oppositely; a prefabricated die is erected above the bracket (2), a roller (3) is arranged at the bottom of the prefabricated die, the section of the roller (3) is V-shaped, and the roller is matched with a V-shaped slope (102) of the guide rail; side plates (21) are arranged on two sides of the support (2), and the roller (3) is connected with the side plates (21) through a rotating shaft (31); the novel scraper comprises a side plate (21), wherein both ends of the side plate (21) are respectively provided with a scraping device (4), the scraping device (4) comprises a scraping plate (41) and a push rod (42), the side surface of the scraping plate (41) is in contact with a V-shaped slope surface (102) of a guide rail, one end of the scraping plate is connected with the push rod (42), the push rod (42) movably penetrates through the end surface of the side plate (21), the other end of the push rod (42) is provided with a push rod support (421), the push rod support (421) is provided with a swing rod (43), the swing rod (43) comprises an upper rod (431) and a lower rod (432) with mutually hinged end parts, a torsion spring (433) for resetting is arranged at the hinge joint of the upper rod (431) and the lower rod (432), and a stop block (211) for limiting the upper end of the upper rod (431) is arranged at the top in the side plate (21) along the extending direction of the guide rail (1). The upper part of the lower rod (432) is hinged with the ejector rod support (421), and the lower end of the lower rod is provided with a pendulum (4321) which can be contacted with the ejector rod support (421); a jacking spring (44) for jacking the scraping plate (41) is arranged on the ejector rod (42); the ejector rod support (421) is provided with a tensioning spring (4322) for tensioning the lower rod (432).
2. A moving mechanism for precast concrete mould according to claim 1, characterized in that one end of the scraper (41) is provided with a scraper mounting seat (411) matched with the ejector rod (42).
3. The moving mechanism for concrete prefabricating mould according to claim 2, wherein the scraper mounting seat (411) is matched with the guide rail through groove (101), and a mounting seat through hole (412) is arranged on the side surface of the scraper mounting seat.
4. The moving mechanism for a concrete prefabricating mould according to claim 1, wherein the scraping plate (41) is provided with a guiding cambered surface (413).
5. The moving mechanism for the concrete prefabricating die according to claim 1, wherein a rubber pad (414) is arranged on the contact surface of the scraping plate (41) and the V-shaped slope (102) of the guide rail.
6. The moving mechanism for a concrete prefabricating mold according to claim 1, wherein the roller (3) is formed by oppositely arranging two revolution bodies (32), a revolution body through hole (321) matched with the rotating shaft (31) is arranged on the axis of the revolution body (32), and a revolution body inclined surface (322) matched with the guide rail V-shaped inclined surface (102) is arranged on the side surface of the revolution body through hole.
7. The moving mechanism for concrete precast dies according to claim 6, characterized in that a side of the revolving body (32) away from the revolving body inclined surface (322) is provided with a revolving body mounting hole (323), and an angular contact ball bearing (33) is provided in the revolving body mounting hole (323).
8. The moving mechanism for concrete precast dies according to claim 6, characterized in that side plate mounting grooves (212) with downward openings and matched with the rotating shaft (31) are oppositely arranged on the side plates (21), and lug plates (213) for limiting the axial movement of the rotating shaft (31) are arranged at the side plate mounting grooves (212).
9. A moving mechanism for concrete precast dies according to claim 1, characterized in that the end surface of the side plate (21) is provided with a side plate mounting hole (214) which is matched with the ejector rod (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050351.8A CN108927888B (en) | 2018-09-10 | 2018-09-10 | Moving mechanism for concrete prefabrication mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811050351.8A CN108927888B (en) | 2018-09-10 | 2018-09-10 | Moving mechanism for concrete prefabrication mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108927888A CN108927888A (en) | 2018-12-04 |
| CN108927888B true CN108927888B (en) | 2024-01-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811050351.8A Active CN108927888B (en) | 2018-09-10 | 2018-09-10 | Moving mechanism for concrete prefabrication mould |
Country Status (1)
| Country | Link |
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| CN (1) | CN108927888B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352797B (en) * | 2018-12-10 | 2020-10-09 | 湖南五新模板有限公司 | Precast concrete module with automatic material mixing function |
| CN112829045B (en) * | 2019-07-10 | 2022-08-02 | 常州市宏联港口机械有限公司 | Mould bearing device |
| CN112060297B (en) * | 2020-09-14 | 2021-07-16 | 中国建筑第二工程局有限公司 | Method for treating concrete prefabricated part casting die |
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| CN207825164U (en) * | 2018-01-18 | 2018-09-07 | 贵州新畅航科技有限公司 | Aerated concrete blank waste cleaning device |
| CN209579935U (en) * | 2018-09-10 | 2019-11-05 | 湖南五新模板有限公司 | A kind of concrete prefabricated mold mobile mechanism |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09112553A (en) * | 1995-10-13 | 1997-05-02 | Thk Kk | Linear motion guiding device |
| FR2833461A1 (en) * | 2001-12-19 | 2003-06-20 | Realisations Materiel Agricole | Guide system for scraper used to remove waste from stable exercise corridor comprises sectional trough for guide rail |
| KR101572128B1 (en) * | 2015-03-06 | 2015-11-26 | (주)대현이엔지 | Mold for forming precast concrete |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108927888A (en) | 2018-12-04 |
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