CN111571776B - Vertical type module-adjustable prefabricated staircase forming equipment and step height adjusting method thereof - Google Patents
Vertical type module-adjustable prefabricated staircase forming equipment and step height adjusting method thereof Download PDFInfo
- Publication number
- CN111571776B CN111571776B CN202010309621.3A CN202010309621A CN111571776B CN 111571776 B CN111571776 B CN 111571776B CN 202010309621 A CN202010309621 A CN 202010309621A CN 111571776 B CN111571776 B CN 111571776B
- Authority
- CN
- China
- Prior art keywords
- die
- module
- adjusting
- stair
- stepping
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- B28B7/22—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units
- B28B7/225—Moulds for making units for prefabricated buildings, i.e. units each comprising an important section of at least two limiting planes of a room or space, e.g. cells; Moulds for making prefabricated stair units for making stairs or stair units comprising more than one step
-
- 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
- B28B7/02—Moulds with adjustable parts specially for modifying at will the dimensions or form of the moulded article
Abstract
The invention relates to vertical module-adjustable prefabricated stair forming equipment and a step height adjusting method thereof, wherein the vertical module-adjustable prefabricated stair forming equipment comprises a fixed side die, a movable side die and a stair step module, and also comprises a guide device, a driving control module, a chute synchronizer, a detection control module, a bottom die lifting module, a quick die opening and closing device, a mechanical locking device and a quick dismounting module; the vertical type module-adjustable prefabricated stair forming equipment has the advantages that the stair mold is realized, the step height, the stair width and the stair step number are adjustable in a stepless mode, one piece of equipment can meet the production requirements of various types of stairs, the flexible automatic production of prefabricated components is realized, and the production cost of the prefabricated stairs is greatly reduced while the production efficiency is greatly improved.
Description
Technical Field
The invention relates to vertical type module-adjustable prefabricated staircase forming equipment and a tread height adjusting method thereof
Background
The prefabricated building is rapidly developing at the present stage, and the demand of concrete prefabricated stairs is greatly increased. Most of traditional prefabricated staircase production equipment adopts a fixed mould form, the step height, the step width and the step of the staircase are not adjustable, and a corresponding mould is required to be customized for a staircase with one specification; the height of the stair steps can be adjusted only within a small range individually. At present, the modulus of the stair changes more, for example, the stair step height needs to change within 150-200 mm due to the change of the floor height, and the change range is larger. Adopt precast concrete stair former among the prior art, have three outstanding shortcoming: (1) the fixed modulus is adopted, the application range is very small, and flexible production cannot be realized; (2) the customization period of the die is long, the cost of a single piece is high, and the die is greatly distributed in the cost of the stair; (3) generally, one set of moulds is customized for one project, the moulds are scrapped after the project is finished, the waste is large, and the energy conservation and the environmental protection are not realized.
Disclosure of Invention
The invention aims to provide vertical module-adjustable prefabricated staircase forming equipment and a step height adjusting method thereof, which can solve the problems. The stepless adjustable modulus of the step height, the step width and the step number of the steps of the stair mold is realized, one piece of equipment can meet the production requirements of various types of stairs, the flexible automatic production of the prefabricated components is realized, and the production cost of the prefabricated stairs is greatly reduced while the production efficiency is greatly improved.
The utility model provides a prefabricated stair former of vertical adjustable modulus, includes fixed side form, activity side form and is located the stair module of marking time between fixed side form, the activity side form, and fixed side form, activity side form and stair module of marking time all are located the chassis, fixed side form and chassis fixed connection, and activity side form is swing joint with the chassis. The stair step module comprises two step end dies and a plurality of step dies positioned between the two step end dies, the step end dies are jointed with the adjacent step dies, and the adjacent two step dies are also jointed with each other;
the stair step module is connected with the fixed side die through a guide device, the guide device comprises a slide rail and a slide block which are matched with each other, the slide rail is connected with the fixed side die, and the slide block is hinged with the step die; one end of the stair step module is provided with a drive control module which is hinged with the step end die and the fixed side die respectively; two adjacent step molds and step end molds are connected with the step molds through a chute synchronizer, the chute synchronizer comprises a sliding pin shaft and an end cover, one of the two adjacent step molds is provided with a limiting chute, and one end of the sliding pin shaft sequentially penetrates through the side wall of the step mold and the limiting chute and is fixedly connected with the end cover; the sliding chute synchronizer also comprises a bearing and a clamping plate with a U-shaped structure, the clamping plate is clamped at the edges of the two mutually-fitted step molds, and the clamping plate is fixedly connected with the sliding pin shaft; the bearing sleeve is arranged on the sliding pin shaft and matched with the limiting sliding groove, and a bushing is arranged between the bearing and the end cover. The drive control device, the guide device and the chute synchronizer form a stair step height synchronous adjusting module;
one end of the slide rail is provided with a detection control module, the other end of the slide rail is provided with a limiting block, and the detection control module is electrically connected with a control system; the detection control module comprises a displacement sensor which is positioned at one end of the sliding rail and connected with the fixed side die, and a feedback connecting sheet which is fixedly connected to the sliding block; the control system comprises a central control PLC, a control panel and a display, wherein the central control PLC comprises an input module, a central processing unit and an output module; the control panel and the displacement sensor are electrically connected with the input module, and the driving control module and the display are electrically connected with the output module;
a fixed end template, a movable end template and a bottom template are arranged between the stair step module and the movable side mold, and a bottom template lifting module is arranged between the bottom template and the underframe; the fixed end template and the movable end template are respectively positioned at two ends of the stair tread module; the bottom die lifting module comprises a mounting frame and positioning pipes welded with two ends of the mounting frame respectively, and a lifting adjusting pipe and a positioning bolt which are abutted to the bottom die plate are arranged in each positioning pipe; the two sides of the bottom of the mounting rack are provided with translation rollers, the middle of the mounting rack is provided with a fine adjustment screw, and the width of the mounting rack is matched with that of a channel steel frame of the underframe;
the device also comprises a pre-tightening device, wherein the pre-tightening device comprises a spring pin and a pre-tightening spring; the stepping die is also provided with a guide sliding chute, and the guide sliding chute and the limiting sliding chute are oppositely arranged; one end of each spring pin extends out of the side wall of each stepping die and is fixedly connected with the stepping die, the other end of each spring pin penetrates through the guide sliding groove on the adjacent stepping die, and two ends of each pre-tightening spring are respectively connected with two adjacent spring pins; the positioning pipe is provided with a plurality of positioning bolt holes, and the lifting adjusting pipe is detachably and fixedly connected with the positioning pipe through the positioning bolts.
The movable end template comprises a template and a platform mould adjusting module, the platform mould adjusting module comprises a side sliding plate and an adjusting end mould hinged with the side sliding plate, and the side sliding plate is positioned at the upper edge of the movable side mould and is in sliding connection with the movable side mould; the edge of the adjusting end die is abutted against the edge of the adjusting template, and an adjusting rod is arranged between the adjusting end die and the side sliding plate;
the movable side die is also fixedly connected with a quick die opening and closing device, the quick die opening and closing device comprises a rail beam and a support frame, the support frame is fixedly connected with the movable side die, and the rail beam is positioned in a groove between the two channel steel frames; the lower parts of the support frame and the movable side die are fixedly connected with rolling brackets, and the rolling brackets are matched with the rail beam;
a side die tensioning screw is connected between the upper side of the movable side die and the upper side of the fixed side die; and a mechanical locking device for positioning the lower end of the movable side die is also arranged above the rail beam and is detachably and fixedly connected with the channel steel frame.
The invention has the advantages that: (1) the driving control module at one end of the stair tread module pushes or pulls the tread molds hinged with the stair tread module, and under the action of the chute synchronizer and the guide device, each tread mold can be ensured to be tightly attached to the adjacent tread molds when rotating and standing; meanwhile, under the cooperation of the guide device, the linear distance between the rotation centers of the two adjacent stepping molds is adjusted, so that when the step height of the stair is adjusted, each stepping mold can be tightly attached to each other and independently rotate, and then the adjustment of the step height and the control of the step height are realized. (2) Because the mould of marking time passes through slider and sliding rail connection, slider and sliding rail be for dismantling sliding connection, so conveniently dismantle, install in order to adapt to the different production requirements of stair of marking time, satisfy different customers' user demand. (3) Data are input into the central control PLC through the displacement sensor and the control panel, and then the step height is accurately controlled. (4) The bottom die lifting module can adjust a larger distance by matching the lifting adjusting pipe with the positioning bolt, and fine-adjusts a smaller distance by the fine-adjusting screw rod. When the stair step module is changed, the bottom die lifting module can move to a proper position through the translation roller so as to adapt to the adjusted stair step module. Through the movable side die capable of moving back and forth on the rail beam, the rapid die assembly, the die release and the steel bar placement are facilitated. (6) The adjusting rod can enable the adjusting end die to rotate to a required angle around the hinged position of the adjusting end die and the side sliding plate, and the side sliding plate can slide along the movable side die, so that the position and the angle of the adjusting end die can be correspondingly adjusted along with the change of the step height. (7) The invention is suitable for most of the existing precast concrete stair forming equipment, can meet the requirements of the existing precast concrete stair market on the number of steps and the height of the steps with lower cost, and has wide application range.
Furthermore, a quick assembly disassembly module is arranged between the sliding block and the stepping die and comprises a connecting seat and a conical bolt, and a hole matched with the conical bolt is formed in the connecting seat; a roller and a locking mechanism are arranged below the side sliding plate, and the rim of the roller is abutted against the outer plate surface of the movable side mold; the locking mechanism comprises a screw rod support and a locking screw rod, one end of the locking screw rod extends out of the screw rod support and abuts against the outer plate surface of the movable side die, and the locking screw rod is in threaded connection with the screw rod support; a connecting bracket is fixedly connected below the side sliding plate and abuts against the inner plate surface of the movable side mold; the two ends of the adjusting rod are respectively hinged with the adjusting end die and the connecting bracket.
Furthermore, the connecting seat consists of a rotating plate and a rotating seat, wherein the rotating plate and the rotating seat are both provided with a conical hole matched with the conical bolt, and the rotating plate and the rotating seat are hinged through the conical bolt; the taper of the tapered bolt is 8-12 degrees; the adjusting rod comprises an adjusting screw rod and an adjusting nut; a pressing sheet is arranged between one end of the locking screw rod extending out of the screw rod support and the movable side die.
Furthermore, the mechanical locking device comprises a locking fixing plate and a locking positioning screw rod, wherein the locking fixing plate is fixedly connected with a locking fixing seat, and the locking positioning screw rod is in threaded fit with the locking fixing seat; the locking fixing plate is also provided with a locking fixing hole, and the channel steel frame is provided with a plurality of positioning holes corresponding to the locking fixing hole; an end die tensioning screw is arranged on the outer side of the fixed end template, one end of the end die tensioning screw is connected with the stepping end die, and the other end of the end die tensioning screw is connected with the movable side die; the movable side die is further connected with a hydraulic cylinder, and the hydraulic cylinder is horizontally arranged and fixedly connected with the bottom frame.
Furthermore, the other end of the stair tread module is provided with an auxiliary support module, and the auxiliary support module comprises a limit support, a limit screw and a movable support; one end of the limiting screw is in threaded connection with the limiting support, and the other end of the limiting screw is hinged with the movable support; the movable support can be propped against the stepping end die.
According to the method for adjusting the stair step height of the vertical type module-adjustable prefabricated stair forming equipment, a complete stair mold can be formed by N independent step molds which can be independently adjusted, and h is used for adjusting the step height1For adjusting the height of the front step h2For regulating rear pedalStep height, b step width, a1To adjust the forward rake, a2To adjust the back-tilt inclination, the step height change Δ h is h1-h2＝b(tana1-tana2)，a1＝arctan h1/b，a2＝arctan h2And b, realizing the change of the stepping height by rotating the stepping mould angle.
Drawings
Fig. 1 is an overall view of a vertical module-adjustable prefabricated staircase forming device of the invention:
FIG. 2 is an enlarged view of K in FIG. 1:
fig. 3 is a structural diagram of a vertical module-adjustable prefabricated staircase forming device of the invention:
fig. 4 is an enlarged view of a in fig. 3:
fig. 5 is a top view of the vertical module-adjustable prefabricated staircase forming equipment of the invention:
fig. 6 is a control flow chart of the vertical module-adjustable prefabricated staircase forming equipment of the invention:
fig. 7 is a partial view of a vertical module-adjustable prefabricated staircase forming device of the invention:
fig. 8 is an enlarged view of B in fig. 7:
fig. 9 is an enlarged view of C in fig. 7:
fig. 10 is a sectional view of the joint of the clamping plates in the vertical module-adjustable prefabricated staircase forming device of the invention:
fig. 11 is a partial view of a stair tread module in the vertical module-adjustable prefabricated stair molding device of the invention:
fig. 12 is an enlarged view of D in fig. 11:
fig. 13 is an enlarged view of E in fig. 11:
fig. 14 is a bottom schematic view of a vertical module-adjustable prefabricated staircase forming device of the invention:
fig. 15 is an enlarged view of F in fig. 14:
fig. 16 is a bottom view of the vertical module-adjustable prefabricated staircase forming device of the invention:
fig. 17 is a bottom structure view of the vertical module-adjustable prefabricated staircase forming device of the invention:
fig. 18 is an enlarged view of G in fig. 17:
fig. 19 is a side view of a vertical modular-adjustable prefabricated staircase forming device of the invention:
fig. 20 is an enlarged view of H in fig. 19:
FIG. 21 is a structural diagram of a step mold in the vertical type module-adjustable prefabricated staircase forming device of the invention:
FIG. 22 is a perspective view of a step mold in the vertical module-adjustable prefabricated staircase forming device of the invention:
fig. 23 is a structural diagram of a platform mold adjusting module in the vertical module-adjustable prefabricated staircase forming device of the invention:
fig. 24 is a structural diagram of a rapid mold opening and closing device in a vertical type module-adjustable prefabricated staircase forming device, which is disclosed by the invention:
FIG. 25 is a structural diagram of a bottom mold lifting module in the vertical modular-adjustable prefabricated staircase forming device according to the present invention;
FIG. 26 is a schematic view of the vertical modular prefabricated staircase forming device for adjusting the height of the staircase steps;
fig. 27 is a calculation chart of a method for adjusting the step height of the vertical module-adjustable prefabricated staircase forming device.
In the figure, 1 is a fixed side mould, 2 is a movable side mould, 3 is a stair step module, 4 is a bottom frame, 5 is a movable end mould plate, 6 is a fixed end mould plate, 7 is a bottom mould plate, 8 is a guide device, 9 is a driving control module, 10 is a chute synchronizer, 11 is a detection control module, 12 is a bottom mould lifting module, 13 is a quick mould opening and closing device, 14 is a mechanical locking device, 15 is a quick assembling and disassembling module, 16 is an auxiliary supporting module,
2-1 is a tensioning seat, 2-2 is a side die tensioning screw rod,
3-1 is a first tread end mold, 3-2 is a second tread end mold, 3-3 is a tread mold, 3-31 is a first end surface, 3-32 is a tread surface, 3-33 is a second end surface,
5-1 is an adjusting template, 5-2 is a platform die adjusting module, 5-21 is a side sliding plate, 5-22 is an adjusting end die, 5-23 is an adjusting screw rod, 5-24 is a roller, 5-25 is a screw rod support, 5-26 is a locking screw rod, 5-27 is a connecting support, 5-28 is a pressing sheet, 5-29 is an adjusting nut,
6-1 is an end mould tensioning screw rod,
8-1 is a slide rail, 8-2 is a slide block, 8-3 is a limit block,
9-1 is a piston, 9-2 is a reducer, 9-3 is a motor,
10-1 is a sliding pin shaft, 10-2 is an end cover, 10-3 is a limiting sliding chute, 10-4 is a bearing, 10-5 is a clamping plate, 10-6 is a bushing, 10-7 is a guiding sliding chute, 10-8 is a spring pin, 10-9 is a pre-tightening spring,
11-1 is a displacement sensor, 11-2 is a feedback connecting sheet,
12-1 is a mounting frame, 12-2 is a positioning pipe, 12-3 is a lifting adjusting pipe, 12-4 is a positioning bolt, 12-5 is a translation roller, 12-6 is a fine adjustment screw,
13-1 is a rail beam, 13-2 is a support frame, 13-3 is a rolling bracket, 13-4 is a hydraulic cylinder,
14-1 is a locking fixing plate, 14-2 is a locking positioning screw, 14-3 is a locking fixing seat, 14-4 is a locking fixing hole, 14-5 is a positioning hole, 14-6 is a pin,
15-1 is a conical bolt, 15-2 is a rotating seat, 15-3 is a rotating plate,
16-1 is a limit support, 16-2 is a limit screw rod, and 16-3 is a movable support.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 to 25, a vertical modular-adjustable prefabricated staircase forming device,
example one
The underframe 4 is provided with a fixed side die 1, a movable side die 2 and a stair tread module 3, the fixed side die 1 is in bolt connection with the underframe 4, the movable side die 2 is in sliding connection with the underframe 4, and the stair tread module 3 is connected with the fixed side die 1. The stair tread module 3 comprises a first tread end die 3-1, a second tread end die 3-2 and a plurality of tread dies 3-3 positioned between the first tread end die and the second tread end die; the stepping molds 3-3 comprise first end surfaces 3-31, stepping surfaces 3-32 and second end surfaces 3-33 (height), the first stepping end mold 3-1 abuts against the first end surfaces 3-31 of the adjacent stepping molds 3-3, the second stepping end mold 3-2 abuts against the second end surfaces 3-33 of the adjacent stepping molds 3-3, and the first end surfaces 3-31 of the adjacent two stepping molds 3-3 abut against the second end surfaces 3-33. A movable end template 5, a fixed end template 6 and a bottom template 7 are arranged between the movable side template 2 and the stair tread module 3.
A guiding device 8 is arranged between the stair step module 3 and the fixed side mould 1. The guiding device 8 consists of a sliding rail 8-1 and a sliding block 8-2 which are mutually matched. The slide rail 8-1 is connected with the fixed side die 1 through bolts, and the slide block 8-2 is respectively hinged with the first stepping end die 3-1, the second stepping end die 3-2 and the stepping die 3-3. A limiting block 8-3 is further arranged below the second stepping end die 3-2, and the limiting block 8-3 is connected with the sliding rail 8-1 through bolts. One end of the driving control module 9 is hinged with the first stepping end die 3-1, and the other end is hinged with the fixed side die. The driving control module 9 consists of a piston 9-1, a speed reducer 9-2 and a motor 9-3 which are connected in sequence. The first stepping end mold 3-1 and the adjacent stepping mold 3-3, the second stepping end mold 3-2 and the adjacent stepping mold 3-3, and the two adjacent stepping molds 3-3 are connected through a chute synchronizer 10. The chute synchronizer 10 comprises a sliding pin shaft 10-1 and an end cover 10-2, a first end face 3-31 of the stepping die 3-3 is provided with a limiting chute 10-3, and an end face of the second stepping end die 3-2, which is attached to the stepping die 3-3, is also provided with the limiting chute 10-3. The end face of the first stepping end mold 3-1, which is attached to the adjacent stepping mold 3-3, is clamped with a sliding pin shaft 10-1, and the second end face 3-33 of the stepping mold 3-3 is clamped with the sliding pin shaft 10-1; one end of the sliding pin shaft 10-1 passes through the limiting chute 10-3 and is connected with the end cover 10-2.
The detection control module 11 is located below the first tread end die 3-1, and the detection control module 11 comprises a displacement sensor 11-1 and a feedback connecting piece 11-2. The displacement sensor 11-1 and the sliding rail 8-1 are positioned on the same straight line and are fixed on the fixed side die 1 through bolts, and the feedback connecting piece 11-2 is connected with a sliding block 8-2 hinged with the first step end die 3-1 through bolts. The control system comprises a central control PLC, a control panel and a display, wherein the central control PLC comprises an input module, a central processing unit and an output module. The control panel and the displacement sensor 11-1 are electrically connected with the input module, and the driving control module 9 and the display are electrically connected with the output module.
The movable end template 5 is positioned between the first stepping end template 3-1 and the movable side template 2, and the fixed end template 6 is positioned between the second stepping end template 3-2 and the movable side template 2. The movable end template 5 comprises an adjusting template 5-1 and a platform template adjusting module 5-2, and the platform template adjusting module 5-2 comprises a side sliding plate 5-21 and an adjusting end template 5-22 hinged with the side sliding plate 5-21. The side sliding plates 5-21 are positioned at the upper edge of the movable side die 2 and are in sliding connection with the movable side die, and the edges of the adjusting end dies 5-22 are clamped with the edges of the adjusting die plates 5-1. An adjusting rod is hinged between the adjusting end die 5-22 and the side sliding plate 5-21.
A bottom die lifting module 12 is arranged between the bottom die plate 7 and the bottom frame 4, and the bottom die lifting module 12 comprises a mounting frame 12-1 and two positioning pipes 12-2 respectively welded with two ends of the mounting frame 12-1. A lifting adjusting pipe 12-3 abutting against the bottom template 7 is arranged in the positioning pipe 12-2, a plurality of positioning bolts 12-4 holes are arranged on the positioning pipe 12-2, and the lifting adjusting pipe 12-3 is fixed with the positioning pipe 12-2 through the positioning bolts 12-4. The bottom of the mounting rack 12-1 is provided with a translation roller 12-5, and the middle part of the mounting rack 12-1 is also in threaded connection with a fine adjustment screw 12-6.
One side of the movable side die 2 is provided with a quick die opening and closing device 13, and the quick die opening and closing device 13 comprises a rail beam 13-1 and a support frame 13-2. The support frame 13-2 is welded with the movable side die 2, and the rail beam 13-1 is fixed in a groove between the two channel steel frames. The lower parts of the support frame 13-2 and the movable side die 2 are fixedly connected with rolling brackets 13-3 matched with the rail beams 13-1. The upper sides of the movable side die 2 and the fixed side die 1 are respectively welded with a tensioning seat 2-1, a side die tensioning screw 2-2 is connected between the two tensioning seats 2-1, and the upper end of the movable side die 2 can be positioned by the side die tensioning screw 2-2. And a mechanical locking device 14 for positioning the lower end of the movable side die 2 is also arranged above the rail beam 13-1, and the mechanical locking device 14 is detachably and fixedly connected with the channel steel frame.
When the stair tread module is used, (1) the movable side mold 2 is firstly far away from the stair tread module 3, and then the stair tread module 3 is adjusted according to the height of the stair tread. Data are input through a control panel, after the central processing unit calculates according to the angle a which is arctmann/b, the moving distance of the first stepping end die 3-1 is controlled through a driving control module 9 electrically connected with an output module and a displacement sensor 11-1 electrically connected with the input module, so that the adjusting precision of the stepping height is guaranteed. Meanwhile, the stepping die 3-3 and the second stepping end die 3-2 rotate along the first stepping end die 3-1 and move along the sliding rail 8-1 under the action of the chute synchronizer 10.
(2) After the stair step height adjustment is completed, the bottom template 7 is determined, the height of the bottom template 7 is adjusted through the bottom template lifting module 12, and then the stair evacuation width is adjusted. When the moving distance of the bottom template 7 is larger, the adjustment is carried out through the matching of the lifting adjusting pipe 12-3 and the positioning bolt 12-4; when the moving distance of the bottom die plate 7 is small or fine adjustment is needed, fine adjustment can be carried out through the fine adjustment screw 12-6. When the stair step module 3 is changed, the bottom die lifting module 12 can be moved to a proper position by the translation rollers 12-5 to adapt to the adjusted stair step module 3. Because the bottom template 7 has a plane structure and a simple shape, wood or metal materials can be selected according to the production quantity, and the cost is further stabilized; and the bottom template 7 can be rapidly processed according to the shape of the stair tread module 3 after adjustment, and the requirement of rapidly replacing different products can be met.
(3) The movable side die 2 which can move back and forth on the rail beam 13-1 is convenient for fast die assembly, die release and steel bar placement. And after the bottom template 7, the movable end template 5 and the fixed end template 6 are placed at corresponding positions, the movable side mold 2 is moved to be closed. The adjusting rod can enable the adjusting end mould 5-22 to rotate to a required angle around the hinged part with the side sliding plate 5-21, and the side sliding plate 5-21 can slide along the movable side mould 2, so that the position and the angle of the adjusting end mould 5-22 can be correspondingly adjusted along with the change of the step height. After the die is closed, the upper end of the movable side die 2 is locked through a side die tensioning screw 2-2, and the lower end of the movable side die 2 is locked through a mechanical locking device 14. In order to control the movable side die 2 conveniently, a hydraulic cylinder 13-4 for controlling the movable side die 2 to move can be arranged on the base frame 4 so as to adapt to various production modes such as mechanical demoulding, manual demoulding and the like.
Example two
In order to facilitate the disassembly and assembly of the tread mold 3-3 to meet the production requirements of different tread stairs, a quick disassembly and assembly module 15 is arranged between the slide block 8-2 and the tread mold 3-3. The quick assembly disassembly module 15 comprises a connecting seat and a conical bolt 15-1, wherein the connecting seat is composed of a rotating plate 15-3 and a rotating seat 15-2, and holes matched with the conical bolt 15-1 are formed in the rotating plate 15-3 and the rotating seat 15-2. The rotating plate 15-3 is connected with the sliding block 8-2 through bolts, and the rotating seat 15-2 is respectively connected with the first stepping end die 3-1, the second stepping end die 3-2 and the plurality of stepping dies 3-3 through bolts. When in disassembly and assembly, the stepping die 3-3 is lifted, and the stepping die 3-3 can be removed after the conical bolt 15-1 is taken down; when the stepping die 3-3 is added, firstly, the sliding block 8-2 connected with the rotating plate 15-3 is installed on the sliding rail 8-1, then the stepping die 3-3 with the rotating seat 15-2 is lifted to the installation position, and the conical bolt 15-1 is aligned with the rotating seat 15-2 and the hole on the rotating plate 15-3 to be inserted. The taper of the tapered bolt 15-1 is 8 degrees to 12 degrees, and 8 degrees is preferred.
Rollers 5-24 and a locking mechanism are arranged below the side sliding plates 5-21 so as to be convenient to adjust and position. The rims of the rollers 5-24 are abutted against the outer plate surface of the movable side die 2. The locking mechanism comprises screw supports 5-25 and locking screws 5-26, one ends of the locking screws 5-26 extend out of the screw supports 5-25 and are abutted against the outer plate surface of the movable side die 2, and the locking screws 5-26 are in threaded connection with the screw supports 5-25. The lower part of the side sliding plate 5-21 is also welded with a connecting bracket 5-27, and the connecting bracket 5-27 is propped against the inner plate surface of the movable side die 2. The adjusting rod comprises an adjusting screw rod 5-23 and an adjusting nut 5-29 which are in threaded connection, the adjusting screw rod 5-23 is hinged with the adjusting end die 5-22, and the adjusting nut 5-29 is hinged with the connecting support 5-27. After the side sliding plate 5-21 is slid to a required position, the locking screw 5-26 is rotated, so that one end of the locking screw 5-26 extending out of the screw support 5-25 is abutted against the movable side die 2. The adjusting screw 5-23 can be extended and contracted by rotating the adjusting nut 5-29, so that the adjusting end mold 5-22 can be rotated to a required angle around the hinged part of the adjusting end mold and the side sliding plate 5-21, and the change of the angle and the position of the adjusting template 5-1 caused by adjusting the step height can be compensated. The pressing sheet 5-28 is arranged between one end of the locking screw 5-26 extending out of the screw support 5-25 and the movable side die 2 to increase the stress area.
EXAMPLE III
The chute synchronizer 10 further comprises a bearing 10-4 and a clamping plate 10-5 with a U-shaped structure, wherein the clamping plate 10-5 is clamped at the edges of the two mutually jointed mark time molds 3-3 and the edges of the first mark time end mold 3-1 and the second mark time end mold 3-2 jointed with the mark time molds 3-3. So as to increase the contact area of the stepping die 3-3, ensure the uniform stress of the stepping die 3-3 and prevent the micro deformation of the stepping die 3-3. The bearing 10-4 is sleeved on the sliding pin shaft 10-1 and matched with the limiting chute 10-3, and a bushing 10-6 is arranged between the bearing 10-4 and the end cover 10-2.
The second end surface 3-33 of the stepping mold 3-3 is provided with a guide chute 10-7, the end surface of the first stepping end mold 3-1, which is jointed with the stepping mold 3-3, is also provided with a guide chute 10-7, and the guide chute 10-7 and the limit chute 10-3 are symmetrically arranged. Spring pins 10-8 are clamped on the first end face 3-31 of the stepping die 3-3 and the end face of the second stepping end die 3-2 jointed with the stepping die 3-3, and one end of each spring pin 10-8 penetrates through a guide chute 10-7 on the adjacent stepping die 3-3. Two ends of the pre-tightening spring 10-9 are respectively connected with two adjacent spring pins 10-8.
Example four
The mechanical locking device 14 comprises a locking fixing plate 14-1 and a locking positioning screw 14-2, a locking fixing seat 14-3 is welded on the locking fixing plate 14-1, and the locking positioning screw 14-2 is in threaded fit with the locking fixing seat 14-3. The locking fixing plate 14-1 is also provided with a locking fixing hole 14-4, the channel steel frame is provided with a plurality of positioning holes 14-5 corresponding to the locking fixing hole 14-4, and the pin 14-6 sequentially penetrates through the locking fixing hole 14-4 and the positioning holes 14-5 to be positioned. After the movable side die 2 is closed, the locking fixing plate 14-1 is moved to the position close to the movable side die 2 and is fixed with the channel steel frame through the pin 14-6. And then the locking and positioning screw rod 14-2 is rotated to enable the locking and positioning screw rod 14-2 to be abutted against the movable side die 2. An end mould tensioning screw 6-1 is arranged on the outer side of the fixed end template 6, one end of the end mould tensioning screw 6-1 is connected with the stepping end mould, and the other end is connected with the movable side mould 2.
An auxiliary support module 16 is arranged below the second stepping end die 3-2, and the auxiliary support module 16 is composed of a limit support 16-1, a limit screw 16-2 and a movable support 16-3. The limiting support 16-1 is connected with the fixed side die 1 through bolts. One end of the limit screw 16-2 is in threaded connection with the limit support 16-1, and the other end is hinged with the movable support 16-3. After the stair step height is adjusted, the limiting screw 16-2 is rotated, the height of the movable support 16-3 is adjusted, the movable support 16-3 is abutted against the second step end mold 3-2, and the stair step module 3 is more stable.
A method for adjusting the step height of a vertical module-adjustable prefabricated stair forming device is characterized in that a complete stair mold can be composed of N independent step molds which can be independently adjusted, and h is1For adjusting the height of the front step h2For adjusting the height of the back step, b is the width of the step, a1To adjust the forward rake, a2To adjust the back-tilt inclination, the step height change Δ h is h1-h2＝b(tana1-tana2)，a1＝arctan h1/b，a2＝arctan h2And b, realizing the change of the stepping height by rotating the stepping mould angle.
Taking a 9-step stair as an example, as shown in fig. 26 and 27, the step height h is increased from h1182mm down to h2When the length is 150mm, namely delta h is 32mm, and b is the stair step width, the angle a is required to be less than the angle a1Turning to angle a at 35 DEG2Simultaneously, the stepping moulds 1 translate on the guide rail at an angle of 30 degrees, so that the linear distance S between the rotation centers of two adjacent stepping moulds 1 is from S1317.53mm down to S2300.26mm, namely, the distance between two adjacent sliding blocks 3 is reduced by 17.29 mm. Namely, the slide block 3 at the lowest end moves 172.9mm along the slide rail 2 under the pushing of the piston, and the stepping height h can be reduced from 182mm to 150 mm.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. The utility model provides a prefabricated stair former of vertical adjustable modulus, includes fixed side form, activity side form and is located the stair module of marking time between fixed side form, the activity side form, and fixed side form, activity side form and stair module of marking time all are located the chassis, fixed side form and chassis fixed connection, and activity side form is swing joint, its characterized in that with the chassis:
the stair step module comprises two step end dies and a plurality of step dies positioned between the two step end dies, the step end dies are jointed with the adjacent step dies, and the adjacent two step dies are also jointed with each other; the stair step module is connected with the fixed side die through a guide device, the guide device comprises a slide rail and a slide block which are matched with each other, the slide rail is connected with the fixed side die, and the slide block is hinged with the step die; one end of the stair step module is provided with a drive control module which is hinged with the step end die and the fixed side die respectively; two adjacent step molds and step end molds are connected with the step molds through a chute synchronizer, the chute synchronizer comprises a sliding pin shaft and an end cover, one of the two adjacent step molds is provided with a limiting chute, and one end of the sliding pin shaft sequentially penetrates through the side wall of the step mold and the limiting chute and is fixedly connected with the end cover; the sliding chute synchronizer also comprises a bearing and a clamping plate with a U-shaped structure, the clamping plate is clamped at the edges of the two mutually-fitted step molds, and the clamping plate is fixedly connected with the sliding pin shaft; the bearing sleeve is arranged on the sliding pin shaft and matched with the limiting sliding chute, and a bushing is arranged between the bearing and the end cover; the drive control device, the guide device and the chute synchronizer form a stair step height synchronous adjusting module; one end of the slide rail is provided with a detection control module, the other end of the slide rail is provided with a limiting block, and the detection control module is electrically connected with a control system; the detection control module comprises a displacement sensor which is positioned at one end of the sliding rail and connected with the fixed side die, and a feedback connecting sheet which is fixedly connected to the sliding block; the control system comprises a central control PLC, a control panel and a display, wherein the central control PLC comprises an input module, a central processing unit and an output module; the control panel and the displacement sensor are electrically connected with the input module, and the driving control module and the display are electrically connected with the output module; a fixed end template, a movable end template and a bottom template are arranged between the stair step module and the movable side mold, and a bottom template lifting module is arranged between the bottom template and the underframe; the fixed end template and the movable end template are respectively positioned at two ends of the stair tread module; the bottom die lifting module comprises a mounting frame and positioning pipes welded with two ends of the mounting frame respectively, and a lifting adjusting pipe and a positioning bolt which are abutted to the bottom die plate are arranged in each positioning pipe; the two sides of the bottom of the mounting rack are provided with translation rollers, the middle of the mounting rack is provided with a fine adjustment screw, and the width of the mounting rack is matched with that of a channel steel frame of the underframe; the device also comprises a pre-tightening device, wherein the pre-tightening device comprises a spring pin and a pre-tightening spring; the stepping die is also provided with a guide sliding chute, and the guide sliding chute and the limiting sliding chute are oppositely arranged; one end of each spring pin extends out of the side wall of each stepping die and is fixedly connected with the stepping die, the other end of each spring pin penetrates through the guide sliding groove on the adjacent stepping die, and two ends of each pre-tightening spring are respectively connected with two adjacent spring pins; the lifting adjusting pipe is detachably and fixedly connected with the positioning pipe through the positioning bolts; the movable end template comprises a template and a platform mould adjusting module, the platform mould adjusting module comprises a side sliding plate and an adjusting end mould hinged with the side sliding plate, and the side sliding plate is positioned at the upper edge of the movable side mould and is in sliding connection with the movable side mould; the edge of the adjusting end die is abutted against the edge of the adjusting template, and an adjusting rod is arranged between the adjusting end die and the side sliding plate; the movable side die is also fixedly connected with a quick die opening and closing device, the quick die opening and closing device comprises a rail beam and a support frame, the support frame is fixedly connected with the movable side die, and the rail beam is positioned in a groove between the two channel steel frames; the lower parts of the support frame and the movable side die are fixedly connected with rolling brackets, and the rolling brackets are matched with the rail beam; a side die tensioning screw is connected between the upper side of the movable side die and the upper side of the fixed side die; and a mechanical locking device for positioning the lower end of the movable side die is also arranged above the rail beam and is detachably and fixedly connected with the channel steel frame.
2. The vertical modular-adjustable prefabricated staircase forming device according to claim 1, characterized in that: a quick assembly and disassembly module is arranged between the sliding block and the stepping die and comprises a connecting seat and a conical bolt, and a hole matched with the conical bolt is formed in the connecting seat; a roller and a locking mechanism are arranged below the side sliding plate, and the rim of the roller is abutted against the outer plate surface of the movable side mold; the locking mechanism comprises a screw rod support and a locking screw rod, one end of the locking screw rod extends out of the screw rod support and abuts against the outer plate surface of the movable side die, and the locking screw rod is in threaded connection with the screw rod support; a connecting bracket is fixedly connected below the side sliding plate and abuts against the inner plate surface of the movable side mold; the two ends of the adjusting rod are respectively hinged with the adjusting end die and the connecting bracket.
3. The vertical modular-adjustable prefabricated staircase forming device according to claim 2, characterized in that: the connecting seat consists of a rotating plate and a rotating seat, wherein the rotating plate and the rotating seat are respectively provided with a conical hole corresponding to the conical bolt, and the rotating plate and the rotating seat are hinged through the conical bolt; the taper of the tapered bolt is 8-12 degrees; the adjusting rod comprises an adjusting screw rod and an adjusting nut; a pressing sheet is arranged between one end of the locking screw rod extending out of the screw rod support and the movable side die.
4. The vertical modular-adjustable prefabricated staircase forming device according to claim 1, characterized in that: the mechanical locking device comprises a locking fixing plate and a locking positioning screw rod, the locking fixing plate is fixedly connected with a locking fixing seat, and the locking positioning screw rod is in threaded fit with the locking fixing seat; the locking fixing plate is also provided with a locking fixing hole, and the channel steel frame is provided with a plurality of positioning holes corresponding to the locking fixing hole;
an end die tensioning screw is arranged on the outer side of the fixed end template, one end of the end die tensioning screw is connected with the stepping end die, and the other end of the end die tensioning screw is connected with the movable side die; the movable side die is further connected with a hydraulic cylinder, and the hydraulic cylinder is horizontally arranged and fixedly connected with the bottom frame.
5. The vertical modular-adjustable prefabricated staircase forming device according to claim 1, characterized in that: the other end of the stair step module is provided with an auxiliary support module, and the auxiliary support module comprises a limiting support, a limiting screw and a movable support; one end of the limiting screw is in threaded connection with the limiting support, and the other end of the limiting screw is hinged with the movable support; the movable support can be propped against the stepping end die.
6. A method for adjusting the step height of a vertical module-adjustable prefabricated staircase forming device as claimed in claim 1, wherein: a complete stair mould can be composed of N independent stepping moulds which can be independently adjusted, and h1For adjusting the height of the front step h2For adjusting the height of the back step, b is the width of the step, a1To adjust the forward rake, a2To adjust the back-tilt inclination, the step height change Δ h is h1-h2＝b(tana1-tana2)，a1＝arctan h1/b，a2＝arctan h2And b, realizing the change of the stepping height by rotating the stepping mould angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309621.3A CN111571776B (en) | 2020-04-20 | 2020-04-20 | Vertical type module-adjustable prefabricated staircase forming equipment and step height adjusting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010309621.3A CN111571776B (en) | 2020-04-20 | 2020-04-20 | Vertical type module-adjustable prefabricated staircase forming equipment and step height adjusting method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111571776A CN111571776A (en) | 2020-08-25 |
| CN111571776B true CN111571776B (en) | 2022-02-01 |
Family
ID=72120612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010309621.3A Active CN111571776B (en) | 2020-04-20 | 2020-04-20 | Vertical type module-adjustable prefabricated staircase forming equipment and step height adjusting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111571776B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388809A (en) * | 2020-11-17 | 2021-02-23 | 日照海盛智能装备有限公司 | Prefabricated staircase lateral die sinking mold and preparation method of prefabricated staircase |
| CN112428395A (en) * | 2020-11-17 | 2021-03-02 | 日照海盛智能装备有限公司 | Unit type stepping module, stair stepping die with adjustable stepping height, die and method |
| CN112643859A (en) * | 2020-12-10 | 2021-04-13 | 滁州市悦鹏设备有限公司 | Concrete prefabricated staircase production mould |
| CN113232133B (en) * | 2021-05-08 | 2022-06-07 | 湖北工业大学 | Controllable and size adjustable stair mold device of angle |
| CN113305990B (en) * | 2021-06-21 | 2022-12-20 | 聊城大学 | General combined die for prefabricated stairway and implementation method thereof |
| CN113787593A (en) * | 2021-08-12 | 2021-12-14 | 中国建筑第四工程局有限公司 | Modular multifunctional prefabricated vertical stair mold and using method thereof |
| CN113650137A (en) * | 2021-08-20 | 2021-11-16 | 常德远大建筑工业有限公司 | Stair mould |
| CN114347226B (en) * | 2021-12-06 | 2024-03-12 | 江苏新昱住宅工业科技有限公司 | Adjustable spliced stair prefabricated part die |
| CN114179200A (en) * | 2021-12-21 | 2022-03-15 | 中国建筑第四工程局有限公司 | Adjustable prefabricated stair mold and using method thereof |
| CN114589793A (en) * | 2022-03-15 | 2022-06-07 | 浙江海盟建筑科技有限公司 | General stair steel mould of prefabricated component |
| CN115383882B (en) * | 2022-09-26 | 2023-12-26 | 南京旭浦建材科技有限公司 | Prefabricated assembled concrete stair forming device |
| CN116241072B (en) * | 2023-02-09 | 2024-05-07 | 安徽百卉园林有限公司 | Detachable assembled building mold |
| CN117139940B (en) * | 2023-10-30 | 2024-01-19 | 中铁城建集团第一工程有限公司 | Welding equipment for assembled prefabricated stair railing and production method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214840A (en) * | 2016-12-14 | 2018-06-29 | 北京智慧云建科技有限公司 | A kind of vertical adjustable precast stair mold |
| CN108839211A (en) * | 2018-06-21 | 2018-11-20 | 东南大学 | A kind of adjustable universal precast stair template |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5511347A (en) * | 1994-11-07 | 1996-04-30 | Schwarz; Horst G. W. | Adjustable sheet metal moulds for steel and precast concrete stairs |
| US8262055B2 (en) * | 2006-09-12 | 2012-09-11 | Any Step Technology Limited | Stair forming apparatus and related methods |
| CN202241550U (en) * | 2011-08-01 | 2012-05-30 | 鲍威 | Adjustable vertical mold for stair flights |
| CN204772909U (en) * | 2015-06-24 | 2015-11-18 | 中民筑友有限公司 | Stair mold's mark time subassembly and stair mold |
| CN104924424A (en) * | 2015-06-24 | 2015-09-23 | 中民筑友有限公司 | Stairway mold and stepping assembly thereof |
| CN204725634U (en) * | 2015-06-24 | 2015-10-28 | 中民筑友有限公司 | A kind of vertical stairway die |
| CN104924423A (en) * | 2015-06-24 | 2015-09-23 | 中民筑友有限公司 | Vertical type stairway mould |
| CN106113230B (en) * | 2016-08-04 | 2018-02-13 | 中国建筑第七工程局有限公司 | The non-type prefabricated for bench, template system and its construction method can be had enough to meet the need |
| CN206644118U (en) * | 2017-02-21 | 2017-11-17 | 孔祥雨 | Vertical type multifunctional is adjustable precast stair mould |
| CN106914973A (en) * | 2017-03-16 | 2017-07-04 | 中国五冶集团有限公司 | Based on mold system for improving precast stair production efficiency and preparation method thereof |
| CN208323728U (en) * | 2017-06-06 | 2019-01-04 | 济南联合众为建筑科技有限公司 | A kind of precast stair mold |
| CN207736485U (en) * | 2018-01-01 | 2018-08-17 | 北京莹笛环宇建设工程有限公司 | Pin-connected panel adjusts the precast stair mold of stair length |
| CN108818894A (en) * | 2018-08-03 | 2018-11-16 | 上海住信住宅工业有限公司 | A kind of precast stair mold |
-
2020
- 2020-04-20 CN CN202010309621.3A patent/CN111571776B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108214840A (en) * | 2016-12-14 | 2018-06-29 | 北京智慧云建科技有限公司 | A kind of vertical adjustable precast stair mold |
| CN108839211A (en) * | 2018-06-21 | 2018-11-20 | 东南大学 | A kind of adjustable universal precast stair template |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111571776A (en) | 2020-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111571776B (en) | Vertical type module-adjustable prefabricated staircase forming equipment and step height adjusting method thereof | |
| CN212888158U (en) | Novel vertical type module-adjustable prefabricated stair forming equipment | |
| CN108839211B (en) | General prefabricated staircase template with adjustable | |
| CN111015910A (en) | Prefabricated staircase mould | |
| CN104924423A (en) | Vertical type stairway mould | |
| CN216427858U (en) | Linear adjusting template device for post-cast section of curved track beam | |
| KR101396434B1 (en) | Movable mold device | |
| CN105034146A (en) | Stairway mold | |
| CN113103411B (en) | Prefabricated mould structure of quick high accuracy of assembled cement concrete shop front board | |
| CN211729635U (en) | Prefabricated staircase mould | |
| CN219527362U (en) | Concrete main tower construction climbing die system | |
| CN116442150B (en) | Blade cavity adjustable stay bar device and use method thereof | |
| CN116277405B (en) | PC track beam mold | |
| CN116335387A (en) | Building template and installation method thereof | |
| CN212859847U (en) | Synchronous adjusting device for step height of concrete prefabricated staircase | |
| CN215825551U (en) | Beam type stair mold capable of being spliced and adjusted | |
| CN212888161U (en) | On-line detection and feedback control device for step height of concrete prefabricated stair mold | |
| CN113954214A (en) | Adjustable prefabricated mold system for assembled stairs and application method of adjustable prefabricated mold system | |
| CN112720780B (en) | Concrete pouring and jolt ramming integrated machine for integrally assembled building composite floor slab | |
| CN209812667U (en) | Prefabricated staircase PC mould | |
| CN212498281U (en) | Plate type ballast bed prestress tension releasing device | |
| CN210389587U (en) | Prefabricated plate type stair mold | |
| CN217168940U (en) | Forming die of T-shaped beam for bridge curve section | |
| CN116587404B (en) | Stair pouring integrated into one piece mould | |
| CN220638346U (en) | Stair mould convenient to dismantle and installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220413 Address after: 408000 6th floor, office building, Lizhi sub district office, No.38, Shiyan Road, Fuling District, Chongqing Patentee after: Chongqing Fuling Daye building materials Co.,Ltd. Address before: 408102 38 Hefeng Avenue, Xincheng District, Fuling District, Chongqing Patentee before: Chongqing Daye Intelligent Building Research Institute Co.,Ltd. |
|
| TR01 | Transfer of patent right |