CN211279060U - Easy dismounting's assembled utility tunnel roof die set - Google Patents
Easy dismounting's assembled utility tunnel roof die set Download PDFInfo
- Publication number
- CN211279060U CN211279060U CN201922038222.3U CN201922038222U CN211279060U CN 211279060 U CN211279060 U CN 211279060U CN 201922038222 U CN201922038222 U CN 201922038222U CN 211279060 U CN211279060 U CN 211279060U
- Authority
- CN
- China
- Prior art keywords
- paired
- annular
- grooves
- clamping
- templates
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Moulds, Cores, Or Mandrels (AREA)
Abstract
The utility model discloses a easy dismounting's assembled utility tunnel roof mold device, mated end template and mated downside template are installed on the die block board through first bolt and second bolt respectively, and mated downside template is connected with the both sides lower part of mated end template through third bolt and third nut respectively, and mated upside template is connected with the both sides upper portion of mated end template through fourth bolt and fourth nut respectively, mated vertical stiffener is installed on the upper portion of mated upside template through fifth bolt and fifth nut respectively, has seted up the first logical groove that is row on mated end template respectively, this first logical groove department is arranged in to first baffle, the utility model discloses the advantage is: the clamping device can meet the clamping requirements of embedded parts with different thicknesses, is very convenient and quick to operate, is very convenient to adjust the transverse position of the embedded part, and well meets the embedding requirements of different positions.
Description
Technical Field
The utility model relates to a building mould's technical field, more specifically say so and relate to assembled concrete prefab building mould's technical field.
Background
With the national advocated green economy, economic development is changed from 'fast and good' to 'good and fast', and environmental protection is more and more emphasized. The construction industry is rapidly developed in recent years, and in 30 years in the future, the country predicts that a new construction with 400 hundred million square meters is required, which is a challenge to the environment and energy in China. "by-products" in the construction industry include atmospheric pollution, noise pollution, construction waste, etc., wherein the influence of the construction waste cannot be ignored. It is estimated that 600 tons of construction waste are generated when a new building with ten thousand square meters is built, and 1 ton of construction waste is generated when an old building with one square meter is dismantled. In recent years, the assembled building is developed rapidly, compared with the traditional building, the assembled building has the advantages of low carbon, energy conservation, environmental protection, high quality and the like, is one of the key technologies of the green building, and governments in various places also have a plurality of encouragement policies in order to encourage the development of the assembled building. The development and manufacture of the fabricated building mold, which serves as a manufacturing tool, restricts the development of the fabricated building. At present, there are following several weak points to the assembled building mould of municipal works utility tunnel roof prefab on the market: firstly, before concrete pouring is carried out on a prefabricated part, embedded parts such as lifting bolts and the like which are embedded in concrete need to be fixed, but the traditional assembly type building mould can only fix the embedded parts with single thickness and cannot well adapt to the fixing requirements of the embedded parts with different thicknesses, and when the embedded positions of the embedded parts need to be adjusted, the operation is very inconvenient; secondly, traditional assembled building mould structure is comparatively complicated, and manufacturing cost is higher, and is not very firm, and the dismouting is inconvenient, wastes time and energy, has reduced the production efficiency of utility tunnel roof prefab.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure in order to solve above-mentioned not enough, firm reliable, easy dismounting, the fixed needs of the built-in fitting of adaptable different thicknesses to the easy dismounting's of the pre-buried position of the adjustment built-in fitting assembled utility tunnel roof mold device of being convenient for.
The utility model discloses a solve above-mentioned technical problem and the technical solution who adopts as follows:
an assembled comprehensive pipe gallery top plate die device convenient to disassemble and assemble comprises a bottom die plate, paired end die plates, paired lower die plates, paired upper die plates, paired longitudinal reinforcing rods, an embedded part positioning mechanism, a first baffle plate and a second baffle plate, wherein the paired end die plates and the paired lower die plates are respectively arranged on the bottom die plates through first bolts and second bolts, the paired lower die plates are respectively connected with the lower parts of two sides of the paired end die plates through third bolts and third nuts, the paired upper die plates are respectively connected with the upper parts of two sides of the paired end die plates through fourth bolts and fourth nuts, the paired longitudinal reinforcing rods are respectively arranged on the upper parts of the paired upper die plates through fifth bolts and fifth nuts, first through grooves in rows are respectively arranged on the paired end die plates, and the first baffle plate is arranged at the first through grooves, the side face of the first baffle is provided with paired first limiting plates which are contacted with the inner walls of the paired end templates, the other side face of the first baffle is provided with a first connecting plate, the first connecting plate is provided with first connecting holes, the paired upper side templates are respectively provided with a row of second through grooves, the second baffle is arranged at the position of the second through grooves, one side face of the second baffle is provided with paired second limiting plates which are contacted with the inner walls of the paired upper side templates, the other side face of the second baffle is provided with a second connecting plate, the second connecting holes are arranged on the second connecting plate, the embedded part positioning mechanisms respectively comprise a cross rod, a paired adjusting screw, a paired sliding seat and a paired clamping mechanism, and the paired clamping mechanisms respectively comprise an annular base, The annular rotary seat and the clamping seat are provided with a vertical rod, the vertical rod is respectively arranged on the upper parts of the paired lower side templates and the paired upper side templates through a sixth bolt and a sixth nut, paired guide grooves are formed in the transverse rod, avoidance grooves are formed in the lower parts of the guide grooves of the transverse rod, the paired sliding seats are respectively movably clamped in the paired guide grooves, adjusting screw holes are formed in the sliding seats, the paired adjusting screw rods are respectively rotatably and movably arranged in the paired guide grooves of the transverse rod, the paired adjusting screw rods are respectively and rotatably arranged in the paired guide grooves of the transverse rod, one end parts of the paired adjusting screw rods respectively penetrate out from the two end parts of the transverse rod, rotating handles are respectively arranged on the end parts of the adjusting screw rods outside the transverse rod, brackets are arranged on the sliding seats, the brackets penetrate out from the avoidance grooves, the annular base is fixedly arranged on the brackets, and a central hole is formed in, the annular rotary seat is movably clamped in the annular limiting groove of the annular base, a planar thread is arranged on one end face of the annular rotary seat, guide grooves which are uniformly distributed along the circumferential direction and communicated with the annular limiting groove are formed in the annular base, the clamping seats are movably clamped in the guide grooves of the annular base respectively, and screw teeth are arranged on the clamping seats and meshed with the planar thread.
The annular rotary seat is characterized in that annular clamping plates are respectively arranged on the inner side part and the outer side part of the annular rotary seat, annular clamping grooves are respectively formed in two side walls of the annular limiting groove of the annular base, and the annular rotary seat is movably clamped in the annular clamping grooves through the annular clamping plates.
Bosses are respectively arranged on two inner side walls of the annular base guide groove, grooves are respectively arranged on two side parts of the clamping seat, and the clamping seat is movably sleeved on the bosses through the grooves.
And the annular rotating seat is provided with paired rotating handles.
The utility model adopts the beneficial effect that above-mentioned technical solution can reach is:
1. when the embedded part needs to be fixed, the embedded part is arranged between the clamping seats of the clamping mechanism, then the annular rotating seat is rotated through the rotating handle, the clamping seats are driven to move along the guide grooves under the interaction of the plane threads and the screw threads, the embedded part is clamped and fixed, and therefore the clamping requirements of the embedded part with different thicknesses can be met.
2. Can play the effect of horizontal reinforcement to this mold device through the horizontal pole, can play reinforced (rfd) effect to mated upside template through mated vertical stiffener to improved this mold device's the firm degree of structure by a wide margin, reduced the emergence of deformation skew phenomenon, improved the pouring quality of prefab.
3. All connect through the bolt between parts such as this mould device die block board, mated end template, mated downside template and mated upside template, not only simple structure, the structure is firm reliable, low in manufacturing cost, easy dismounting moreover, labour saving and time saving has improved the production efficiency of prefab by a wide margin.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of the present invention without the slide and the clamping mechanism;
fig. 2 is a front view of the present invention;
fig. 3 is a left side cross-sectional view of the present invention shown in fig. 2;
FIG. 4 is an enlarged view of a portion of FIG. 1 at A;
FIG. 5 is an enlarged view of a portion of FIG. 1 at B;
FIG. 6 is an enlarged view of a portion of FIG. 1 at C;
FIG. 7 is an enlarged partial schematic view of FIG. 1 at D;
FIG. 8 is an enlarged partial schematic view at E in FIG. 1;
FIG. 9 is an enlarged partial schematic view at F of FIG. 1;
FIG. 10 is an enlarged partial view of FIG. 2 at G;
FIG. 11 is an enlarged partial view at H in FIG. 2;
FIG. 12 is an enlarged partial schematic view taken at J of FIG. 2;
FIG. 13 is an enlarged partial view at K of FIG. 3;
FIG. 14 is an enlarged partial view at L of FIG. 3;
FIG. 15 is an enlarged partial view at M of FIG. 14;
FIG. 16 is a bottom view of the clamping mechanism of FIG. 14;
FIG. 17 is a schematic structural view of the annular rotary base;
FIG. 18 is an enlarged partial view taken at N in FIG. 3;
fig. 19 is a schematic view of fig. 6 after the construction of the steel reinforcement cage;
fig. 20 is a schematic view of fig. 9 after the construction of the steel reinforcement cage;
FIG. 21 is a schematic structural view of a top plate preform for a utility tunnel;
fig. 22 is a partially enlarged schematic view at P in fig. 21.
Detailed Description
As shown in fig. 1, 2 and 3, an assembly type comprehensive pipe gallery top plate mold device convenient to assemble and disassemble comprises a bottom mold plate 1, a pair of end mold plates 2, a pair of lower mold plates 3, a pair of upper mold plates 4, a pair of longitudinal reinforcing rods 5, an embedded part positioning mechanism, a first baffle plate 6 and a second baffle plate 7, as shown in fig. 5, 7 and 12, the paired end formworks 2 and the paired lower formworks 3 are respectively installed on the bottom formworks 1 by first bolts 8 and second bolts 9, the paired lower formworks 3 are respectively connected with the lower parts of both sides of the paired end formworks 2 by third bolts 10 and third nuts 11, the paired upper formworks 4 are respectively connected with the upper parts of both sides of the paired end formworks 2 by fourth bolts 12 and fourth nuts 13, as shown in fig. 4, 8 and 12, the pair of longitudinal reinforcing bars 5 are mounted on the upper portions of the pair of upper side formworks 4 by means of fifth bolts 14 and fifth nuts 15, respectively. As shown in fig. 6, 9, 10, 11, 13 and 18, the paired end formworks 2 are respectively provided with first through grooves 16 in rows, the first baffle 6 is disposed at the first through grooves 16, one side surface of the first baffle 6 is provided with paired first limiting plates 17, the paired first limiting plates 17 are in contact with the inner walls of the paired end formworks 2, the other side surface of the first baffle 6 is provided with a first connecting plate 18, and the first connecting plate 18 is provided with a first connecting hole 19; the paired upper side formworks 4 are respectively provided with second through grooves 20 in rows, the second baffle 7 is arranged at the second through grooves 20, one side surface of the second baffle 7 is provided with paired second limiting plates 21, the paired second limiting plates 21 are in contact with the inner walls of the paired upper side formworks 4, the other side surface of the second baffle 7 is provided with a second connecting plate 22, and the second connecting plate 22 is provided with a second connecting hole 23. As shown in fig. 13 to 17, the embedded part positioning mechanisms respectively include a cross bar 24, paired adjusting screws 25, paired sliding seats 26 and paired clamping mechanisms, the paired clamping mechanisms respectively include an annular base 27, an annular rotating seat 28 and a clamping seat 29, a vertical bar 30 is arranged on the cross bar 24, the vertical bar 30 is respectively mounted on the upper portions of the paired lower side formworks 3 and the paired upper side formworks 4 through a sixth bolt 31 and a sixth nut 32, paired guide grooves 33 are formed in the cross bar 24, avoidance grooves 34 are formed in the lower portions of the guide grooves 33 of the cross bar 24, the paired sliding seats 26 are respectively movably clamped in the paired guide grooves 33, adjusting screw holes 35 are formed in the sliding seats 26, the paired adjusting screws 25 are respectively rotatably and movably mounted in the paired guide grooves 33 of the cross bar 24, the paired adjusting screws 25 are respectively screwed in the adjusting screw holes 35 of the paired sliding seats 26, one end of each of the paired adjusting screws 25 respectively penetrates out of two ends of the cross bar 24, a rotating handle 47 is respectively arranged on the end of each of the adjusting screws 25 positioned outside the cross bar 24, a bracket 36 is arranged on the slide base 26, the bracket 36 penetrates out of the avoiding groove 34, the annular base 27 is fixedly arranged on the bracket 36, a central hole 37 is formed in the middle of the annular base 27, an annular limiting groove 38 is formed in the annular base 27, the annular rotary base 28 is movably clamped in the annular limiting groove 38 of the annular base 27, annular clamping plates 43 are respectively arranged on the inner side part and the outer side part of the annular rotary base 28, annular clamping grooves 44 are respectively formed on two side walls of the annular limiting groove 38 of the annular base 27, the annular rotary base 28 is movably clamped in the annular clamping grooves 44 through the annular clamping plates 43, a plane thread 39 is arranged on one end face of the annular rotary base 28, guide grooves 40 which are uniformly distributed along the circumferential direction and are communicated with the annular limiting grooves 38 are formed on the, the clamping bases 29 are movably clamped in the guide grooves 40 of the annular base 27 respectively, bosses 45 are arranged on two inner side walls of the guide grooves 40 of the annular base 27 respectively, grooves 46 are formed in two side parts of the clamping bases 29 respectively, the clamping bases 29 are movably sleeved on the bosses 45 through the grooves 46, screw threads 41 are arranged on the clamping bases 29, the screw threads 41 are meshed with the plane threads 39, and paired rotating handles 42 are arranged on the annular rotating base 28.
When the prefabricated member 48 of the top plate of the comprehensive pipe gallery is manufactured by using the assembled type mold device of the top plate of the comprehensive pipe gallery, which is convenient to disassemble and assemble, a steel bar framework is built in the mold device, the steel bar framework is built by staggering longitudinal steel bars 50 and transverse steel bars 52, as shown in fig. 19, when the longitudinal steel bars 50 are built, the first baffle 6 is taken out from the first through groove 16, then two end parts of the longitudinal steel bars 50 penetrate out of the first through groove 16 of the paired end mold plates 2 respectively, then the first baffle 6 is clamped at the first through groove 16 again, the first iron wire 51 is taken, one end of the first iron wire 51 is fixed at the first connecting hole 19 of the first connecting plate 18, the other end of the first iron wire 51 is fixed on the longitudinal steel bar 50 positioned on the outer side of the paired end mold plates 2, and the first baffle 6 is tensioned and fixed; as shown in fig. 20, when the transverse reinforcing steel bar 52 is constructed, the second baffle 7 is taken out from the second through groove 20, then the two end portions of the transverse reinforcing steel bar 52 penetrate out of the second through groove 20 of the paired upper side formworks 4, then the second baffle 7 is clamped at the second through groove 20 again, the second iron wire 53 and the third iron wire 54 are taken, one ends of the second iron wire 53 and the third iron wire 54 are fixed at the second connecting hole 23 of the second connecting plate 22, the other ends of the second iron wire 53 and the third iron wire 54 are fixed on the transverse reinforcing steel bar 52 located outside the paired upper side formworks 4, the second baffle 7 is tightened and fixed, the first through groove 16 and the second through groove 20 are blocked by the first baffle 6 and the second baffle 7, and when concrete slurry is poured, the concrete slurry is prevented from overflowing from the first through groove 16 and the second through groove 20. After the steel reinforcement framework is built, embedded parts 49 such as hoisting bolts and the like which need to be embedded in concrete are placed between clamping seats 29 of the clamping mechanism, then the annular rotating seat 28 is rotated through the rotating handle 42, the clamping seats 29 are driven to move along the guide groove 40 under the interaction of the plane threads 39 and the screw threads 41, the embedded parts 49 are clamped and fixed, the adjusting screw rods 25 are rotated through the rotating handle 47, the sliding seats 26 move along the guide grooves 33 of the cross rods 24, and the embedded parts 49 are adjusted to the required positions. And then, firstly pouring concrete slurry into the cavity formed by enclosing the paired end formworks 2 and the paired lower side formworks 3, stopping pouring when the concrete slurry is flush with the upper surfaces of the lower side formworks 3, curing the concrete, pouring the concrete into the cavity formed by enclosing the paired end formworks 2 and the paired upper side formworks 4 after the concrete is solidified, stopping pouring when the concrete slurry is flush with the upper surfaces of the upper side formworks 4, curing the concrete, and removing the formwork to obtain the prefabricated member of the top plate of the comprehensive pipe gallery shown in the figures 21 and 22 when the demolding condition is reached.
Claims (4)
1. The utility model provides a simple to assemble and disassemble's assembled utility tunnel roof die set which characterized in that: the combined type embedded part template comprises a bottom template, paired end templates, paired lower side templates, paired upper side templates, paired longitudinal reinforcing rods, an embedded part positioning mechanism, a first baffle and a second baffle, wherein the paired end templates and the paired lower side templates are respectively arranged on the bottom template through first bolts and second bolts, the paired lower side templates are respectively connected with the lower parts of the two sides of the paired end templates through third bolts and third nuts, the paired upper side templates are respectively connected with the upper parts of the two sides of the paired end templates through fourth bolts and fourth nuts, the paired longitudinal reinforcing rods are respectively arranged on the upper parts of the paired upper side templates through fifth bolts and fifth nuts, first through grooves in rows are respectively formed in the paired end templates, the first baffle is arranged at the first through grooves, and a paired first limiting plate is arranged on one side surface of the first baffle, the paired first limiting plates are contacted with the inner walls of the paired end templates, a first connecting plate is arranged on the other side surface of the first baffle, first connecting holes are formed in the first connecting plate, second through grooves which are arranged in rows are respectively formed in the paired upper side templates, the second baffle is arranged at the second through grooves, a paired second limiting plate is arranged on one side surface of the second baffle, the paired second limiting plate is contacted with the inner walls of the paired upper side templates, a second connecting plate is arranged on the other side surface of the second baffle, second connecting holes are formed in the second connecting plate, the embedded part positioning mechanisms respectively comprise cross rods, paired adjusting screws, paired sliding seats and paired clamping mechanisms, the paired clamping mechanisms respectively comprise annular bases, annular rotating seats and clamping seats, vertical rods are arranged on the cross rods, the vertical rod is respectively installed on the upper parts of the paired lower side templates and the paired upper side templates through a sixth bolt and a sixth nut, paired guide grooves are formed in the cross rods, avoidance grooves are formed in the lower parts of the guide grooves of the cross rods, the paired sliding seats are respectively movably clamped in the paired guide grooves, adjusting screw holes are formed in the sliding seats, the paired adjusting screws are respectively rotatably and movably installed in the paired guide grooves of the cross rods, the paired adjusting screws are respectively and rotatably arranged in the adjusting screw holes of the paired sliding seats, one end parts of the paired adjusting screws respectively penetrate out from the two end parts of the cross rods, rotating handles are respectively arranged on the end parts of the adjusting screws outside the cross rods, brackets are arranged on the sliding seats, the brackets penetrate out from the avoidance grooves, the annular base is fixedly installed on the brackets, a central hole is formed in the middle part of the annular base, and annular limiting grooves are formed, the annular rotating seat is movably clamped in an annular limiting groove of the annular base, a plane thread is arranged on one end face of the annular rotating seat, guide grooves which are uniformly distributed along the circumferential direction and communicated with the annular limiting groove are formed in the annular base, the clamping seats are movably clamped in the guide grooves of the annular base respectively, and screw teeth are arranged on the clamping seats and meshed with the plane thread.
2. The assembled utility tunnel top plate mold device convenient to disassemble and assemble according to claim 1, characterized in that: the annular rotary seat is characterized in that annular clamping plates are respectively arranged on the inner side part and the outer side part of the annular rotary seat, annular clamping grooves are respectively formed in two side walls of the annular limiting groove of the annular base, and the annular rotary seat is movably clamped in the annular clamping grooves through the annular clamping plates.
3. The easy-to-disassemble and assemble fabricated comprehensive pipe rack top plate mold device according to claim 1 or 2, characterized in that: bosses are respectively arranged on two inner side walls of the annular base guide groove, grooves are respectively arranged on two side parts of the clamping seat, and the clamping seat is movably sleeved on the bosses through the grooves.
4. The easy-to-disassemble and assemble fabricated comprehensive pipe rack top plate mold device according to claim 1 or 2, characterized in that: and the annular rotating seat is provided with paired rotating handles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922038222.3U CN211279060U (en) | 2019-11-22 | 2019-11-22 | Easy dismounting's assembled utility tunnel roof die set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922038222.3U CN211279060U (en) | 2019-11-22 | 2019-11-22 | Easy dismounting's assembled utility tunnel roof die set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211279060U true CN211279060U (en) | 2020-08-18 |
Family
ID=72031944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922038222.3U Expired - Fee Related CN211279060U (en) | 2019-11-22 | 2019-11-22 | Easy dismounting's assembled utility tunnel roof die set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211279060U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207956A (en) * | 2020-09-25 | 2021-01-12 | 湖北绿缘新型材料科技有限公司 | Die design assembly for producing PC (polycarbonate) component |
| CN112622018A (en) * | 2020-11-26 | 2021-04-09 | 佛山建装建筑科技有限公司 | Preparation method of prefabricated partition plate for pipe gallery |
-
2019
- 2019-11-22 CN CN201922038222.3U patent/CN211279060U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112207956A (en) * | 2020-09-25 | 2021-01-12 | 湖北绿缘新型材料科技有限公司 | Die design assembly for producing PC (polycarbonate) component |
| CN112622018A (en) * | 2020-11-26 | 2021-04-09 | 佛山建装建筑科技有限公司 | Preparation method of prefabricated partition plate for pipe gallery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211279060U (en) | Easy dismounting's assembled utility tunnel roof die set | |
| CN110394884B (en) | Prefabricated column adjustable die and prefabricated column production method | |
| CN102296812A (en) | Building template molding structure, fastening piece and building template construction method | |
| CN201447866U (en) | Inclined steel reinforced concrete double-layer die plate structure | |
| CN211306731U (en) | Novel prefabricated assembled concrete stair mould | |
| CN117124438A (en) | Prefabricated component mould | |
| CN210636791U (en) | Aluminum template system for settlement position | |
| CN211278950U (en) | Assembled utility tunnel baffle mold device | |
| CN216230015U (en) | Stair mould | |
| CN211492094U (en) | Assembly type comprehensive pipe rack side wall mold device convenient to disassemble and assemble and high in control precision | |
| CN211566279U (en) | Replaceable high-pressure brick die device | |
| CN208323723U (en) | A kind of pin-connected panel prefabricated panel mold | |
| CN217434607U (en) | Assembling die of usefulness is pour to prefabricated post | |
| CN110666942A (en) | Manufacturing method of novel prefabricated concrete stair mold | |
| CN205088944U (en) | A building templates for concrete placement | |
| CN209903511U (en) | Window wallboard's mould with window frame | |
| CN111941609A (en) | Assembled utility tunnel side wall mold device that easy dismounting and control accuracy are high | |
| CN221436755U (en) | Tubulation mould is used in concrete pipe production | |
| CN220030604U (en) | Mould for prefabricating concrete wall | |
| CN216139121U (en) | Mould fixing device is used in prefabricated component superimposed sheet production | |
| CN203957068U (en) | A kind of shaped device of being convenient to casting material prefabricated brick moulding | |
| CN220129059U (en) | High-speed railway bridge deck railing base mould | |
| CN216578433U (en) | Concrete circular hole shaping die | |
| CN220389783U (en) | Prefabricated concrete cover plate steel wood assembling die with adjustable | |
| CN218802972U (en) | Prefabricated wall body three-layer composite mold and accurate mode locking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20211122 |