CN104295091A - Mould assembly and disassembly device applied to building field - Google Patents
Mould assembly and disassembly device applied to building field Download PDFInfo
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- CN104295091A CN104295091A CN201410566113.8A CN201410566113A CN104295091A CN 104295091 A CN104295091 A CN 104295091A CN 201410566113 A CN201410566113 A CN 201410566113A CN 104295091 A CN104295091 A CN 104295091A
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Abstract
The invention discloses a mould assembly and disassembly device applied to the building field. The mould assembly and disassembly device comprises a triangular supporting column, an adjusting frame component, a screw rod adjusting component and a flexible connection component. The screw rod adjusting component comprises an adjusting rod, a hollow stud and an annular positioning part in threaded connection with the hollow stud. The adjusting frame component comprises two adjusting frames and an arc connector, and the adjusting frames in left-right opposite arrangement are connected through the arc connector. The flexible connection component comprises a pair of flexible connection parts, one ends of the two flexible connection parts are jointly hinged to the same position of the adjusting rod, and the other ends of the two flexible connection parts are hinged to the two adjusting frames respectively. The two adjusting frames both contact with the same side of the triangular supporting column. The mould assembly and disassembly device overcomes defects of existing mould plate engineering structures and has the advantages of stability in performance, simplicity and convenience in operation and structural compactness.
Description
Technical field
?the present invention relates to concrete construction field, especially relate to the matched moulds back mode device for building field.
Background technology
In modern architecture construction field, along with the development of highrise building, long span building and large special structure, for accelerating concrete engineering construction progress and ensureing workmanship and construction safety, form work engineering is in occupation of the status become more and more important.Form work engineering refers to making, assembling, supporting, uses and remove in concrete construction in order to make the work of the constitution establishment of concrete formation.Wherein, make the constitution establishment of concrete formation be template, it is position and geometry that the concrete of new mixing is met design requirement, and making it to harden becomes the mould of reinforced concrete structure or component.
The structure of existing form work engineering comprises panel and braced structures, and panel is the force bearing plate directly contacting newly placed concrete; Braced structures is then the temporary structure of support panel, concrete and working load, ensures that template combines securely.Template is as a kind of temporary support structures, and itself is not retained on building.For improving the utilization rate of template, reduce engineering cost, existing formwork structure needs repeatedly assembly and disassembly to improve the number of turnover of template.Due to the many employings of braced structures in length and breadth the parts such as waling, support beam, support truss, semi girder, cantilever truss, pillar, diagonal brace and tie rod set up and form, it is the many and complex structure of material not only.If repeatedly load and unload braced structures, need take a long time and consume more energy, this by reducing the operating efficiency of template construction, affects the construction speed of concrete structure engineering undoubtedly.Meanwhile, each parts are easily frayed after repeatedly loading and unloading, and the steadiness reducing whole formwork structure is affected workmanship by this.To ensure good steadiness, then need to change damaged parts in time, this will increase construction cost, affect Business Economic Benefit.
Summary of the invention
The object of the invention is to overcome the deficiency of existing form work engineering structure, a kind of matched moulds back mode device for building field of easy and simple to handle, stable performance is provided.
Object of the present invention is achieved through the following technical solutions: for the matched moulds back mode device of building field, comprises gusseted post, adjustment rack assembly, screw rod adjusting part and is flexibly connected assembly; The ring shaped retainer member that described screw rod adjusting part comprises adjusting rod, hollow stud and is threaded with hollow stud, described hollow stud is provided with strip gab, the lower end of hollow stud is fixed on the upper surface of gusseted post, described adjusting rod upper end is located in hollow stud, its lower end is through gusseted post upper surface, adjusting rod is connected with two reference columns through strip gab, described ring shaped retainer member is sheathed on hollow stud, and the region between two reference columns; Described adjustment rack assembly comprises about two adjustment racks be oppositely arranged and connects the arc connector of two adjustment racks; Described flexible connection assembly comprises a pair active connection, and one end of two active connections is articulated with the same position of adjusting rod jointly, and the other end of two active connections is hinged with two adjustment racks respectively; Two adjustment racks all contact with the same side of gusseted post.
In the present invention, gusseted post for the shaping of concrete corner structure, is equivalent to the effect of corner formwork in form work engineering structure, bears the dynamic loading of each kinematic pair in this device simultaneously.Screw rod adjusting part is used for being supplied to driven member adjustment rack motive power, realizes the spacing change between two adjustment racks; Wherein, reference column is used for providing support a little, realizes moving up and down of adjusting rod.Be flexibly connected assembly for ensureing the realization of power transmission between driving link adjusting rod and driven member first junction plate.Adjustment rack assembly is used for the template that is connected, and under the effect of link motion power transmission, drive two adjacent forms generation change in location; Wherein, arc connector is used for bearing tensile stress.During application, multiple the present invention need be placed in the inner corner trim place of regulation according to designing requirement, then the polylith template made be fixed on two adjustment racks of each described device.Adjusting rod can be driven to move up and down relative to gusseted post by the ring shaped retainer member rotated in each the present invention.Because two adjustment racks and adjusting rod are all articulated and connected by active connection, therefore cause spacing generation size variation between two adjustment racks when adjusting rod moves up and down Shi Zehui.Due to the tensile stress brought when arc connector can carry two adjustment rack generation relative displacements, thus spacing between two adjustment racks moving up and down and change with adjusting rod can be ensured, and then drive the two adjacent forms generation change in location be attached thereto, thus realize the overall matched moulds of template and move back die worker's work.Herein, matched moulds work refers to the process of formwork structure template being built into design requirement, moves back die worker and refers to that formwork structure is departed from concrete process after shaping by concreting.
Further, described adjustment rack comprises the first junction plate, the second junction plate and the 3rd junction plate, described first junction plate and the second junction plate are fixed on the two ends, left and right of described 3rd junction plate respectively, first junction plate of two adjustment racks is positioned at same plane, it is connected with the two ends of described arc connector respectively, the other end of described two active connections is hinged with the first junction plate of two adjustment racks respectively, and the end face two the 3rd junction plates being fixed with the first connection all contacts with the same side of described gusseted post.During matched moulds, the 3rd junction plate makes the end face of three be positioned at same plane for the inner corner trim limit and template connecting gusseted post, and is jointly configured for the shaping form work engineering structure of concreting.In the present invention, the first junction plate provides tie point and pin joint for the movement realizing adjustment rack; Second junction plate is used for the template that is connected, and provides safeguard for realizing template position change.
Further, described gusseted post comprises top board, base plate and two pieces of vertical settings and the gripper shoe be connected to each other, the angle of two pieces of gripper shoes is acute angle or right angle, two pieces of gripper shoes are between top board and base plate, its upper and lower two ends are connected to the lower surface of top board and the upper surface of base plate, two pieces of gripper shoes, top board and base plates form semi-enclosed accommodation space, the lower end of described adjusting rod is located in described accommodation space, and the lower surface of top board and the upper surface of base plate are equipped with the strip groove adapted with the first junction plate.Two gripper shoes for the shaping of concrete internal corner structure, are equivalent to the effect of corner formwork in form work engineering structure; Top board is used for studdle adjusting part, and carries the dynamic load(loading) of each kinematic pair; Base plate is used for fixing the present invention and provides support a little.In the present invention, the two ends up and down of the first junction plate of two adjustment racks all can be inserted in strip groove.So, can avoid producing skew during two adjustment rack generation relative movements.
For protecting the articulated structure of two adjustment racks and adjusting rod, further, described adjustment rack also comprises the dust excluding plate vertically arranged, and described dust excluding plate is fixed on the end face of described second junction plate.
Further, described adjustment rack also comprises the guide strip of horizontally set, and described guide strip is fixed on the 3rd junction plate upper surface, and the same side that the end face of guide strip contacts with described two the 3rd junction plates contacts.By the setting of guide strip, the contact area on two adjustment racks and gusseted post inclined-plane can be increased, improve the stability of two adjustment rack relative movements, and reduce the motion accumulated error that more kinematic pair causes.
For improving the stability of two adjustment rack relative movements, further, described arc connector is at least two.
For improving powerdriven stability and efficiency between driving link adjusting rod and driven member first junction plate, further, described flexible connection assembly is at least three groups.
Compared with the structure of existing form work engineering; the present invention has following beneficial effect: be provided with form work engineering of the present invention; the overall matched moulds of rigid template can be realized by rotary annular keeper or move back die worker's work; also the requirement improving the template number of turnover can be met without the need to repeatedly loading and unloading template, not only time saving and energy saving and improve construction operation efficiency.During concrete operation, be mostly to be adjusted the position of template by the present invention, without the need to directly regulating template, thus reduce the loss of template, extending the application life of template.Compact conformation of the present invention, parts unified integration, not only easy for installation, simple to operate and stable performance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the matched moulds back mode device specific embodiment for building field of the present invention;
Fig. 2 is the structural representation of the matched moulds back mode device intermediate cam support column specific embodiment for building field of the present invention;
Fig. 3 is the structural representation for an adjustment rack assembly specific embodiment in the matched moulds back mode device of building field of the present invention;
Fig. 4 is the structural representation for a screw rod adjusting part specific embodiment in the matched moulds back mode device of building field of the present invention;
Fig. 5 is the mounting structure schematic diagram described in embodiment 1.
Name in accompanying drawing corresponding to Reference numeral is called: 1, gusseted post, 11, gripper shoe, 12, , top board, 13, base plate, 14, strip groove, 2, adjustment rack assembly, 21, adjustment rack, 211, 3rd junction plate, 212, first junction plate, 213, second junction plate, 214, dust excluding plate, 215, guide strip, 3, screw rod adjusting part, 31, adjusting rod, 311, reference column, 32, hollow stud, 321, strip gab, 322, hollow stud pedestal, 33, ring shaped retainer member, 331, rotate ear, 4, be flexibly connected assembly, 41, active connection, 5, flat formwork, 6, building.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
As shown in Figures 1 to 5, for the matched moulds back mode device of building field, comprise gusseted post 1, adjustment rack assembly 2, screw rod adjusting part 3 and be flexibly connected assembly 4; The ring shaped retainer member 33 that described screw rod adjusting part 3 comprises adjusting rod 31, hollow stud 32 and is threaded with hollow stud 32, described hollow stud 32 is provided with strip gab 321, the lower end of hollow stud 32 is fixed on the upper surface of gusseted post 1, described adjusting rod 31 upper end is located in hollow stud 32, its lower end is through gusseted post 1 upper surface, adjusting rod 31 is connected with two reference columns 311 through strip gab 321, described ring shaped retainer member 33 is sheathed on hollow stud 32, and the region between two reference columns 311; Described adjustment rack assembly 2 comprises about two adjustment racks be oppositely arranged 21 and connects the arc connector 22 of two adjustment racks 21; One end that described flexible connection assembly 4 comprises a pair active connection 41, two active connection 41 is articulated with the same position of adjusting rod 31 jointly, and the other end of two active connections 41 is hinged with two adjustment racks 21 respectively; Two adjustment racks 21 all contact with the same side of gusseted post 1.
In the present embodiment, hollow stud 32 is externally threaded tubular structure for lateral wall is provided with, and the inside wall of ring shaped retainer member 33 is provided with the internal thread adapted with external screw thread; Two reference columns 311 can on adjusting rod 31 vertical arrangement; Two pin joints that the other end of two active connections 41 is hinged with two adjustment racks 21 respectively should be positioned on same level line; Two adjustment racks 21 should be corresponding with the inner corner trim of gusseted post 1 that side close contact.The inner corner trim of gusseted post 1 refers to the angle for the two inner corner trim limits making concrete inner corner trim be shaped herein, and as shown in Figure 5, the inner corner trim of gusseted post 1 is right angle.Be fixed on gusseted post 1 for ease of hollow stud 32, hollow stud pedestal 322 can be welded with in the lower end of hollow stud 32, so realize being connected of hollow stud 32 by trip bolt through the upper surface of hollow stud pedestal 322 and gusseted post 1.For ease of rotating ring shaped retainer member 33, can be welded with on ring shaped retainer member 33 and rotating ear 331, so act on by operation tool and rotate the rotation that ear 331 realizes ring shaped retainer member 33.For reducing the loss to arc connector 22, namely zero-bit state of the present invention is when also arc connector is relaxation state, the end face of the template that the position residing for two adjustment racks 21 should make the inner corner trim limit of two the 3rd junction plates 211, gusseted post 1 and be connected with the second junction plate 213 is positioned at same plane, also namely reaches state during matched moulds.So, arc connector 22 can be made not stress under the duty of matched moulds, do not produce elastic deformation.The time shaping because of concreting is longer, if allow arc connector 22 keep elastic deformation for a long time, easily makes its tired generation plastic strain.
During the present embodiment application, at ring shaped retainer member 33 with under the threaded engagement of hollow stud 32, its relative hollow stud 32 can be made to move up and down by rotating ring shaped retainer member 33 clockwise or counterclockwise.Because ring shaped retainer member 33 is located between two reference columns 311, therefore when ring shaped retainer member 33 moves up and down, then the adjusting rod 31 being provided with reference column 311 can be driven to occur to move up and down accordingly.Because two adjustment racks 21 are all articulated and connected with adjusting rod 31, therefore moving up and down of adjusting rod 31 can drive two adjustment racks 21, along that side that the inner corner trim of gusseted post 1 is corresponding, relative displacement occurs.When adjusting rod 31 moves up, the pin joint on adjusting rod 31 is caused also to move up, when active connection 41 length is constant, then drive two first junction plates 212 hinged with active connection 41 close in opposite directions along same plane, and then driving two adjustment racks 21 being fixed with the first junction plate 212 to move in opposite directions along the same side of gusseted post 1, the spacing between two adjustment racks 21 also diminishes thereupon; Otherwise when adjusting rod 31 moves down, then cause two adjustment racks 21 along the opposing movement in the same side of gusseted post 1, two adjustment racks 21 spacing also become large thereupon.
During the present embodiment apply to Template engineering, the second junction plate 213 of two adjustment racks 21 is all fixed with template, and the spacing thus when between two adjustment racks 21 changes, and can drive the two adjacent forms generation change in location be connected with it.As shown in Figure 5, this designing requirement is the building 6 making concrete form quadra structure, then need the present embodiment first making polylith rigid plane template 5 and 4 rectangular inner corner trims according to the physical dimension of designing requirement.During application, first 4 the present embodiment inserted the inner corner trim place of regulation and fix, then the polylith flat formwork 5 made is connected on the second junction plate 213 of each embodiment.Now, because the zero-bit state of the present embodiment is matched moulds state, after the flat formwork 5 that has thus been connected, concreting work can be carried out.If because the loss reason repeatedly working caused makes the zero-bit state of the present embodiment not be in matched moulds state, then rotatable ring shaped retainer member 33 regulates, relative movement is there is by drive two adjustment rack 21 that moves up and down of adjusting rod 31, make the end face of the right-angle side of gusseted post 1 and the 3rd junction plate 213 and flat formwork 5 be positioned at same plane, now namely complete the matched moulds work of form work engineering.Enter after molding changes into building 6 until concrete, then first loosen the connection at 4 the present embodiment and inner corner trim place, the ring shaped retainer member 33 rotated successively again in each the present embodiment drives adjusting rod 31 to move up, by the pitch smaller of two adjustment racks 21, the flat formwork 5 be connected with adjustment rack 21 is driven to move inwards successively.All complete after like this movement until all flat formworks 5, the 3rd junction plate 211 and flat formwork 5 have departed from building 6.Now, then be bundled on the gusseted post 1 described in four the present embodiment with lifting rope, lift by crane the entirety namely completing form work engineering simultaneously and move back die worker's work.By the lifting of this formwork structure to last layer job site, now formwork structure is in the duty of moving back mould, the ring shaped retainer member 33 again rotated successively in each the present embodiment is needed to drive adjusting rod 31 to rotate, even if the spacing of two adjustment racks 21 is returned to each the present embodiment in home position return to zero-bit state, again these 4 the present embodiment are fixed on the inner corner trim place of this layer of regulation, the overall matched moulds work of form work engineering can be completed.
Embodiment 2
The present embodiment has made following restriction further on the basis of embodiment 1: described adjustment rack 21 comprises the first junction plate 212, second junction plate 213 and the 3rd junction plate 211, described first junction plate 212 and the second junction plate 213 are fixed on the two ends, left and right of described 3rd junction plate 211 respectively, first junction plate 212 of two adjustment racks 21 is positioned at same plane, it is connected with the two ends of described arc connector 22 respectively, the other end of described two active connections 41 is hinged with the first junction plate 212 of two adjustment racks 21 respectively, the end face two the 3rd junction plates 211 being fixed with the first junction plate 212 all with the same side close contact of described gusseted post 1.
In the present embodiment, the first junction plate 212, second junction plate 213 and the 3rd junction plate 211 are the rectangular slab vertically arranged.Two pin joints that the other end of two active connections 41 is hinged with two first junction plates 212 respectively should be positioned on same level line, so can ensure that symmetrical relative movement can occur two adjustment racks 21.The plane that two first junction plates 212 are positioned at same plane should be parallel to the limit corresponding to inner corner trim of gusseted post 1.So, can ensure that two adjustment racks 21 move time two the 3rd junction plate 211 and do not depart from gusseted post 1, to be the 3rd junction plate 211 with template and gusseted live 1 inner corner trim limit jointly build formwork structure and provide safeguard.
Embodiment 3
The present embodiment has made following restriction further on the basis of embodiment 2: described gusseted post 1 comprises top board 12, base plate 13 and two pieces are vertically arranged and the gripper shoe 11 be connected to each other, the angle of two pieces of gripper shoes 11 is acute angle or right angle, two pieces of gripper shoes 11 are between top board 12 and base plate 13, its upper and lower two ends are connected to the lower surface of top board 12 and the upper surface of base plate 13, two pieces of gripper shoes 11, top board 12 and base plate 13 form semi-enclosed accommodation space, the lower end of described adjusting rod 31 is located in described accommodation space, the lower surface of top board 12 and the upper surface of base plate 13 are equipped with the strip groove 14 adapted with the first junction plate 212.
In the present embodiment, the corner dimension of two pieces of gripper shoes 11 can make according to designing requirement.As shown in Figure 5, the inner corner trim angle of this designing requirement is 90 degree, then the angle of two pieces of gripper shoes 11 can be made as 90 degree, and correspondingly top board 12 and base plate 13 are modification of right-angled triangle plate.Two first junction plates 212 connected mode hinged with adjusting rod 31 makes driven member two first junction plate 212 that conplane relative movement occur, thus strip groove 14 also should be parallel to the hypotenuse of top board 12 and base plate 13, and is positioned at the position that on top board 12 and base plate 13 end face, two first junction plate about 212 two ends movement locus adapt.The zero-bit state of the present embodiment inserts in strip groove 14 by the two ends up and down of the first junction plate 212 of two adjustment racks 21, can ensure that when adjusting rod 31 moves up and down two first junction plates 212 realize translation in strip groove 14, reduce the motion accumulated error caused by multiple kinematic pair.
Embodiment 4
The present embodiment has made following restriction further on the basis of embodiment 2: described adjustment rack 21 also comprises the dust excluding plate 214 vertically arranged, and described dust excluding plate 214 is fixed on the end face of described second junction plate 213.For ease of installing and regulating, adjustment rack assembly 2 is semi-closed structure.But serious at construction site contamination by dust, very easily enter impact in adjustment rack 21 through semi-closed structure dust and be movably hinged the power transmission performance of structure.In the present embodiment, as shown in figures 1 and 3, dust excluding plate 214 can be fixed with on the end face of the second junction plate 213 of two adjustment racks 21, reduce the open area of adjustment rack assembly 2.
Embodiment 5
The present embodiment has made following restriction further on the basis of embodiment 2: described adjustment rack 21 also comprises the guide strip 215 of horizontally set, described guide strip 215 is fixed on the 3rd junction plate 211 upper surface, and the same side that the end face of guide strip 215 contacts with described two the 3rd junction plates 211 contacts.In the present embodiment, be improve the steadiness of adjustment rack 21, guide strip 215 and the 3rd junction plate 211 and the second junction plate 213 can be welded as a whole.
Embodiment 6
The basis of the present embodiment any one embodiment in embodiment 1 ~ 5 is made following restriction further: described arc connector 22 is at least two.In the present embodiment, the two ends up and down of the first junction plate 212 of two adjustment racks 21 respectively can be fixed with an arc connector 22.
Embodiment 7
The present embodiment has made following restriction further on the basis of embodiment 6: described flexible connection assembly 4 is at least three groups.In the present embodiment, can in the upper end of the first junction plate 212 of two adjustment racks 21, middle part and lower end each hinged one group be flexibly connected assembly 4.
Above content is the further description done the present invention in conjunction with concrete preferred embodiment, can not assert that the specific embodiment of the present invention is confined to these explanations.For general technical staff of the technical field of the invention, not departing from other embodiments drawn under technical scheme of the present invention, all should be included in protection scope of the present invention.
Claims (7)
1. for the matched moulds back mode device of building field, it is characterized in that: comprise gusseted post (1), adjustment rack assembly (2), screw rod adjusting part (3) and be flexibly connected assembly (4), described screw rod adjusting part (3) comprises adjusting rod (31), hollow stud (32) and the ring shaped retainer member (33) be threaded with hollow stud (32), described hollow stud (32) is provided with strip gab (321), the lower end of hollow stud (32) is fixed on the upper surface of gusseted post (1), described adjusting rod (31) upper end is located in hollow stud (32), its lower end is through gusseted post (1) upper surface, adjusting rod (31) is connected with two reference columns (311) through strip gab (321), described ring shaped retainer member (33) is sheathed on hollow stud (32), and the region be positioned between two reference columns (311), described adjustment rack assembly (2) comprises about two adjustment racks be oppositely arranged (21) and connects the arc connector (22) of two adjustment racks (21), described flexible connection assembly (4) comprises a pair active connection (41), and one end of two active connections (41) is articulated with the same position of adjusting rod (31) jointly, and the other end of two active connections (41) is hinged with two adjustment racks (21) respectively, two adjustment racks (21) all contact with the same side of gusseted post (1).
2. the matched moulds back mode device for building field according to claim 1, it is characterized in that: described adjustment rack (21) comprises the first junction plate (212), second junction plate (213) and the 3rd junction plate (211), described first junction plate (212) and the second junction plate (213) are fixed on the two ends, left and right of described 3rd junction plate (211) respectively, first junction plate (212) of two adjustment racks (21) is positioned at same plane, it is connected with the two ends of described arc connector (22) respectively, the other end of described two active connections (41) is hinged with first junction plate (212) of two adjustment racks (21) respectively, the end face two the 3rd junction plates (211) being fixed with the first junction plate (212) all contacts with the same side of described gusseted post (1).
3. the matched moulds back mode device for building field according to claim 2, it is characterized in that: described gusseted post (1) comprises top board (12), base plate (13) and two pieces are vertically arranged and the gripper shoe be connected to each other (11), the angle of two pieces of gripper shoes (11) is acute angle or right angle, two pieces of gripper shoes (11) are positioned between top board (12) and base plate (13), its upper and lower two ends are connected to the lower surface of top board (12) and the upper surface of base plate (13), two pieces of gripper shoes (11), top board (12) and base plate (13) form semi-enclosed accommodation space, the lower end of described adjusting rod (31) is located in described accommodation space, the lower surface of top board (12) and the upper surface of base plate (13) are equipped with the strip groove (14) adapted with the first junction plate (212).
4. the matched moulds back mode device for building field according to claim 2, it is characterized in that: described adjustment rack (21) also comprises the dust excluding plate (214) vertically arranged, and described dust excluding plate (214) is fixed on the end face of described second junction plate (213).
5. the matched moulds back mode device for building field according to claim 2, it is characterized in that: described adjustment rack (21) also comprises the guide strip (215) of horizontally set, described guide strip (215) is fixed on the 3rd junction plate (211) upper surface, and the same side that the end face of guide strip (215) contacts with described two the 3rd junction plates (211) contacts.
6. according to the matched moulds back mode device for building field in claim 1 ~ 5 described in any one, it is characterized in that: described arc connector (22) is at least two.
7. the matched moulds back mode device for building field according to claim 6, is characterized in that: described flexible connection assembly (4) is at least three groups.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410566113.8A CN104295091B (en) | 2014-10-23 | 2014-10-23 | For the matched moulds back mode device of building field |
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| CN201410566113.8A CN104295091B (en) | 2014-10-23 | 2014-10-23 | For the matched moulds back mode device of building field |
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| CN104295091A true CN104295091A (en) | 2015-01-21 |
| CN104295091B CN104295091B (en) | 2016-02-03 |
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|---|---|---|---|---|
| CN105239772A (en) * | 2015-09-01 | 2016-01-13 | 中民筑友有限公司 | Adjusting mechanism, inner cylindrical formwork and elevator shaft formwork equipment |
| CN105239772B (en) * | 2015-09-01 | 2017-09-22 | 中民筑友有限公司 | Governor motion, interior cylinder mould and Lift well mould panel assembly |
| CN114837406A (en) * | 2022-06-14 | 2022-08-02 | 张雯雯 | Detachable internal corner building template |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104295091B (en) | 2016-02-03 |
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