CN106801555A - For the hanging structure and sliding door of sliding door - Google Patents
For the hanging structure and sliding door of sliding door Download PDFInfo
- Publication number
- CN106801555A CN106801555A CN201710134505.0A CN201710134505A CN106801555A CN 106801555 A CN106801555 A CN 106801555A CN 201710134505 A CN201710134505 A CN 201710134505A CN 106801555 A CN106801555 A CN 106801555A
- Authority
- CN
- China
- Prior art keywords
- roller
- track
- sliding door
- hanging structure
- bottom roller
- 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.)
- Granted
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 abstract description 7
- 230000007812 deficiency Effects 0.000 abstract description 2
- 238000005299 abrasion Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
- E05D15/0626—Details, e.g. suspension or supporting guides for wings suspended at the top
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
- E05D15/0626—Details, e.g. suspension or supporting guides for wings suspended at the top
- E05D15/063—Details, e.g. suspension or supporting guides for wings suspended at the top on wheels with fixed axis
- E05D15/0634—Details, e.g. suspension or supporting guides for wings suspended at the top on wheels with fixed axis with height adjustment
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/06—Suspension arrangements for wings for wings sliding horizontally more or less in their own plane
- E05D15/0621—Details, e.g. suspension or supporting guides
- E05D15/0626—Details, e.g. suspension or supporting guides for wings suspended at the top
- E05D15/0652—Tracks
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Devices For Sliding Doors (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a kind of hanging structure for sliding door, belong to Architectural Equipment field.The roller rolled including track and along track, the track includes upper and lower orbital plane, and the upper rail face is in the arcuate structure for raising up, and the roller includes upper roller and bottom roller, and upper roller and bottom roller are arranged on connector and constitute roller group；The surface of the upper roller is plane, is rolled along the upper rail face of track, and the lower railway face rolling that the bottom roller is affixed on track is oriented to and is prevented roller group from being come off with track.Roller keeps linear contact lay in real time with track during use, after overcoming traditional hanging structure middle orbit to wear and tear, the deficiency that roller makes a noise when rolling, and ensure the smooth of sliding door movement；While the lower railway face scrolling realization sliding door that roller is close to track is oriented to so that the stable connection reliability of roller group and track.Present invention also offers a kind of sliding door using above-mentioned hanging structure.
Description
Technical field
It is especially a kind of hanging structure and sliding door for sliding door the present invention relates to a kind of hanging structure, belongs to building
Facility field.
Background technology
Sliding door refers to door body connection roller and the moveable door on fixed track, and also known as sliding door, it has easily peace
Dress, it is repeatable utilize, can industrialized production, fire prevention, environmental protection the features such as, be live, the facility that workplace is common.Existing shifting
In door, door body and the roller that is connected are rolled to realize the movement of door body, as shown in Figure 1 by roller in fixed track.This
Plant in structure, roller first has to carry the overall weight of door body, secondly the surface of roller is set to spill to realize to door body
It is oriented to, now for point is contacted between roller surface and track, the noise produced when sliding door installs Initial operation is very little, works as fortune
After row a period of time, track occurs a certain degree of abrasion, causes the presence of two contacts of point between roller surface and track,
Cannot ensure that two linear velocities of contact point are consistent in rolling process due to roller, this results in slow-footed contact point and rail
There is serious sliding friction in road, produce sharp noise, the abrasion of acceleration orbit.Roller can make simultaneously with the aggravation of path wear
There is micro deviation in the guiding of door body, the guiding of door body is micro to be deviateed and accelerate roller to form pernicious following with path wear in turn
Ring, the service life and stability of final influence sliding door.
The content of the invention
The technical problems to be solved by the invention are to overcome prior art defect, there is provided one kind can effectively reduce track it
Between wear and tear, extend sliding door service life, it is ensured that the hanging structure and sliding door for sliding door of stability in use.
In order to solve the above-mentioned technical problem, provided by the present invention for the hanging structure of sliding door, including track and along track
The roller of rolling, the track includes upper and lower orbital plane, and the upper rail face is in the arcuate structure for raising up, the roller
Including upper roller and bottom roller, upper roller and bottom roller are arranged on connector and constitute roller group；The surface of the upper roller is
Plane, is rolled along the upper rail face of track, and the lower railway face rolling that the bottom roller is affixed on track is oriented to and is prevented roller
Group comes off with track.
In the present invention, the lower railway face is in downwardly convex arcuate structure, and bottom roller outer surface is provided with and lower railway face
The groove being adapted.
In the present invention, the upper roller and bottom roller are arranged on adjustable connecting piece, between upper roller and bottom roller
Spacing can adjust.
In the present invention, the upper roller is two, and bottom roller is one, and bottom roller is located between two upper rollers；It is described
Adjustable connecting piece includes upper plate and lower plate bonded to each other, and the top of the upper plate and lower plate is provided with two for installing rolling
The waist hole of wheel, is provided with through hole between two waist holes of the upper plate, the lower section of upper plate and lower plate is provided with for installing bottom roller
Opening；The top of the lower plate is provided with one with the vertically disposed screw thread pair of lower plate, and the screw thread pair is placed in through hole.
In the present invention, the bottom of the lower plate is provided with connecting portion, the operation of the longitudinal center line, upper roller of the connecting portion
Track axis, the running orbit axis of bottom roller align.
Present invention also offers a kind of sliding door, including door body, the top of the door body connects above-mentioned hanging structure.
In the present invention, the roller group connects drive mechanism, and the drive mechanism includes two tail wheels, transmission belt, motors
And controller, installed in the both sides of track interior, on tail wheel, the motor drives any transmission belt described two tail wheels
Tail wheel, motor electrical connection controller.
In the present invention, the track is provided with limited block.
The beneficial effects of the present invention are：(1), the present invention uses plane roller, and roller is real-time with track during use
Linear contact lay is kept, after overcoming traditional hanging structure middle orbit to wear and tear, the deficiency that roller makes a noise when rolling, and ensure sliding door
Mobile is smooth, extends the service life of sliding door；Bottom roller is close to the same of the lower railway face scrolling realization sliding door guiding of track
When so that roller group and the stable connection reliability of track, prevent from falling off in the process of running；Bottom roller is close to lower railway face
Roll, reduce the abrasion between the two, it is ensured that the accuracy of guiding, improve the stability of sliding door operation；(2), lower railway face is in
Downwardly convex arcuate structure, bottom roller outer surface is provided with the groove being adapted with lower railway face, can further improve guiding
Stability so that roller group is more reliable and more stable with the connection of track；(3), by adjustable connecting piece realize upper roller and
Spacing between bottom roller can adjust, and to meet different use needs, and improve the stability of sliding door operation；(4), connecting portion
Longitudinal center line, the running orbit axis of upper roller, the running orbit axis of bottom roller align so that hanging structure stress
It is uniform reliable, the stability and reliability of door body operation are greatly promoted, extend the service life of hanging structure；(5) it is, of the invention
Sliding door can effectively reduce the noise sent in the rolling of path wear rear roller, it is ensured that sliding door movement is smooth, extend making for sliding door
Use the life-span；(6) automatic switch of sliding door, can be realized by drive mechanism, it is more convenient and practical；(7), limited on track position
Block, impact is produced when can prevent sliding door from moving to doorframe, is increased the service life.
Brief description of the drawings
Fig. 1 is hanging structure schematic diagram in the prior art；
Fig. 2 is hanging structure schematic diagram of the present invention；
Fig. 3 is hanging structure stereogram of the present invention；
Fig. 4 is upper bottom roller assembling schematic diagram；
Fig. 5 is upper bottom roller assembling schematic diagram 2；
Fig. 6 is upper bottom roller assembling schematic diagram 3；
Fig. 7 is upper bottom roller assembling schematic diagram 4；
Fig. 8 is door moving structure schematic diagram of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
As shown in figure 1, in the hanging structure of prior art, the surface of roller is provided be adapted with track upper surface recessed
Groove, roller while realizing that sliding door is moved and plays guide effect after rolling.Track lower section is provided with anti-avulsion device, prevents door body from moving
De-orbited when dynamic, there is gap between anti-avulsion device and track.When door body is moved, roller is that a point is contacted with track, fortune
Noise very little during row, but when sliding door is after a period of time is run, after track occurs a certain degree of abrasion, this is roller A
Point and B points can come in contact with track simultaneously, and R1 represents A points to the distance of roller central shaft in figure；R2 represents B points in roller
The distance of heart axle.Operationally require that A points are consistent with the linear velocity of B points on roller due to door body, but in actual motion mistake
Cheng Wufa ensures that A points are consistent with the linear velocity of B points, so may result in slow any of 2 medium velocities and enters line slip with track and rubs
Wipe, so that sharp noise can be produced, the abrasion of acceleration orbit, reduction of service life.The aggravation of path wear can make again on the contrary
Guiding into door body deviates, and it is smooth that influence sliding door movement runs, and accelerates the abrasion of track to a certain extent, is formed pernicious
Circulation.
As shown in Figures 2 and 3, hanging structure of the invention includes track 1, upper roller 2 and bottom roller 3.Track 1 is section bar,
The bottom of track 1 is provided with corresponding upper and lower orbital plane, and upper rail face 1-1 is in the arcuate structure for raising up, lower railway face 1-2
In downwardly convex arcuate structure.Upper roller 2 and bottom roller 3 are arranged on connector 4 by bolt 4-7 and constitute roller group.
The surface of upper roller 2 is plane, and upper roller 2 is rolled along the upper rail face 1-1 of track 1 after assembling, and line is formed with upper rail face 1-1
Contact.The outer surface of bottom roller 3 is provided with the groove that the arcuate structure raised with lower railway face 1-2 is adapted, and bottom roller 3 is tight after assembling
The lower railway face 1-2 for pasting track 1 is rolled, and is oriented to and is prevented roller group from being come off with track 1.
After being worn and torn using track 1 by long-time, upper roller 2 still keeps linear contact lay with upper rail face 1-1, from
And avoid producing sharp noise.Function setting is directed on bottom roller 3, groove is used between roller and lower railway face 1-2
With raised cooperation, bottom roller 3 is without any carrying in the process of running, and it is minimum with abrasion between the 1-2 of lower railway face, so that
The reliability being oriented to is kept, while can cause that track 1 is relatively reliable with the contact of upper roller 2, bottom roller 3, prevents door body from existing
Fallen off when mobile.
As shown in Fig. 4 to 7, upper roller 2 is two in roller group, and bottom roller 3 is one, and bottom roller 3 is located at two upper rollings
Between wheel 2, the stability of door body movement can be so improved.Connector 4 includes upper plate 4-1 and lower plate 4-2, and upper plate 4-1 is with
Plate 4-2 is bonded to each other.The top of upper plate 4-1 and lower plate 4-2 is provided with two waist hole 4-3 of both insertions simultaneously, and waist hole 4-3 is used for
Upper roller 2 is installed, two upper rollers 2 are assemblied on waist hole 4-3 by bolt 4-7.Between two waist hole 4-3 on upper plate 4-1
It is provided with through hole 4-4, through hole 4-4 structures in T shape, in order to swivel bolt 4-7.
The upper plate 4-1 opening 4-5s that is provided with for install bottom roller 3 corresponding with the lower section of lower plate 4-2, bottom roller 3 passes through spiral shell
Bolt 4-7 is assemblied in opening 4-5.
The top of lower plate 4-2 is provided with one and is vertically arranged projection 4-6 with lower plate 4-2, and projection 4-6 is snapped in through hole 4-4, projection
Assembling bolt 4-7 composition screw thread pairs in the screw opened on 4-6, screw.The bottom of bolt 4-7 contacts with through hole 4-4 bottoms, rotation
Bolt 4-7 is the relative movement that may be such that upper plate 4-1 and lower plate 4-2, and then is realized to upper roller 2, the tune of the spacing of bottom roller 3
It is whole, adjust the tightness that upper and lower roller is contacted with track 1.
The bottom of lower plate 4-2 is provided with connecting portion 4-8, and connecting portion 4-8 is perpendicular with lower plate 4-2, and connecting portion 4-8 is used for and door
Body phase is connected.During practical set, generally by the longitudinal center line of connecting portion 4-8, the running orbit axis of upper roller 2,
The running orbit axis of bottom roller 3 aligns setting, so that hanging structure uniform force reliability, greatly promotes door body operation
Stability and reliability, extend hanging structure service life.
As shown in figure 8, sliding door of the invention includes two fan door body 10, track 1, roller group, two tail wheels 6, belt 5, electricity
Machine 8 and controller 11.Both sides of two tail wheels 6 inside track 1, belt 5 is arranged on tail wheel 6, and motor 8 is driven through
Tail wheel 6 on the right side of transmission mechanism connection realizes transmission.Motor 8 electrically connects controller 11, and the right side of track 1 sets binding post 9,
For in-site installation wiring., using the technology disclosed in existing mobile door, the present embodiment is herein for controller 11 and control mode
Reinflated.
Often the top of fan door body 10 connects two roller groups respectively, and roller group assembling is rolled on path 1 and along track 1.
Wherein, any folder by belt 5 is connected with the top of belt 5 in two roller groups in Yishanmen body 10, in another fan door body 10
Any following connection pressed from both sides by belt 5 with belt 5 in two roller groups.Motor 8 controls two to fan door body by forward and reverse rotation
10 move towards, realizes ON/OFF.
Limited block 7 is respectively equipped with the both sides of track 1, spacing control is carried out to door body 10, prevent from producing impact to doorframe.
The method and approach that the present invention implements the technical scheme are a lot, and the above is only of the invention being preferable to carry out
Mode, it is noted that for those skilled in the art, under the premise without departing from the principles of the invention, also
Some improvements and modifications can be made, these improvements and modifications also should be regarded as protection scope of the present invention.It is unknown in the present embodiment
True each part can use prior art to be realized.
Claims (8)
1. a kind of hanging structure for sliding door, including track and the roller rolled along track, it is characterised in that：The track bag
Upper and lower orbital plane is included, the upper rail face is in the arcuate structure for raising up, and the roller includes upper roller and bottom roller, on
Roller and bottom roller are arranged on connector and constitute roller group；The surface of the upper roller is plane, along the upper rail face of track
Roll, the lower railway face rolling that the bottom roller is affixed on track is oriented to and is prevented roller group from being come off with track.
2. the hanging structure of sliding door is used for according to claim 1, it is characterised in that：The lower railway face is in downwardly convex
Arcuate structure, bottom roller outer surface is provided with the groove being adapted with lower railway face.
3. the hanging structure for sliding door according to claim 1 or claim 2, it is characterised in that：The upper roller and bottom roller are pacified
On adjustable connecting piece, the spacing between upper roller and bottom roller can adjust.
4. the hanging structure of sliding door is used for according to claim 3, it is characterised in that：The upper roller is two, bottom roller
It it is one, bottom roller is located between two upper rollers；The adjustable connecting piece includes upper plate and lower plate bonded to each other, described
The top of upper plate and lower plate is provided with two waist holes for installing upper roller, and through hole is provided between two waist holes of the upper plate,
The lower section of upper plate and lower plate is provided with the opening for installing bottom roller；The top of the lower plate is provided with one and is vertically arranged with lower plate
Screw thread pair, the screw thread pair is placed in through hole.
5. the hanging structure of sliding door is used for according to claim 4, it is characterised in that：The bottom of the lower plate is provided with connection
Portion, the longitudinal center line of the connecting portion, the running orbit axis of upper roller, the running orbit axis of bottom roller align.
6. a kind of sliding door, including door body, it is characterised in that：Described in the top connection any one of claim 1 to 5 of the door body
Hanging structure.
7. sliding door according to claim 6, it is characterised in that：The roller group connects drive mechanism, the drive mechanism
Including two tail wheels, transmission belt, motor and controllers, described two tail wheels are arranged on the both sides of track interior, and transmission belt is installed
On tail wheel, the motor drives any tail wheel, motor electrical connection controller.
8. sliding door according to claim 6, it is characterised in that：The track is provided with limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134505.0A CN106801555B (en) | 2017-03-08 | 2017-03-08 | Hanging structure and sliding door for sliding door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710134505.0A CN106801555B (en) | 2017-03-08 | 2017-03-08 | Hanging structure and sliding door for sliding door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106801555A true CN106801555A (en) | 2017-06-06 |
| CN106801555B CN106801555B (en) | 2018-08-17 |
Family
ID=58987896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710134505.0A Active CN106801555B (en) | 2017-03-08 | 2017-03-08 | Hanging structure and sliding door for sliding door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106801555B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083891A (en) * | 2017-06-08 | 2017-08-22 | 江苏建筑职业技术学院 | A kind of sliding door upper rail based on building steel beam structure |
| CN108518166A (en) * | 2018-04-20 | 2018-09-11 | 佛山汇众森泰科技有限公司 | A kind of folding hinge sliding door |
| CN109870352A (en) * | 2017-12-04 | 2019-06-11 | 北新集团建材股份有限公司 | A kind of plate hanging force test method |
| CN114150872A (en) * | 2022-01-05 | 2022-03-08 | 蓝山永佳建筑材料有限公司 | Environment-friendly noise reduction device for construction engineering management |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20100458U1 (en) * | 2001-01-10 | 2001-05-10 | Karl Loggen GmbH, 53783 Eitorf | Ceiling attachment for running track |
| CN101469585A (en) * | 2007-12-27 | 2009-07-01 | 方大集团股份有限公司 | Subway shield door system slide door suspension device and slide guide thereof |
| EP2133499A1 (en) * | 2008-06-12 | 2009-12-16 | Fratelli Comunello S.p.A. | Trolley for a slidable cantilever gate and process for its manufacture |
| CN102877726A (en) * | 2012-10-12 | 2013-01-16 | 绍兴超时代门控自动化有限公司 | Automatic door lifting frame mechanism |
| CN103025985A (en) * | 2010-07-07 | 2013-04-03 | 亚萨合莱自动门系统有限公司 | Second wheel holder |
| CN204299369U (en) * | 2014-11-14 | 2015-04-29 | 青岛德伦茨自动门有限公司 | A kind of translation door drive unit |
| US20160340951A1 (en) * | 2015-05-19 | 2016-11-24 | Krown Lab, Inc. | Roller assemblies for hanging panels |
| CN206571318U (en) * | 2017-03-08 | 2017-10-20 | 江苏德普尔门控科技有限公司 | Hanging structure and sliding door for sliding door |
-
2017
- 2017-03-08 CN CN201710134505.0A patent/CN106801555B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20100458U1 (en) * | 2001-01-10 | 2001-05-10 | Karl Loggen GmbH, 53783 Eitorf | Ceiling attachment for running track |
| CN101469585A (en) * | 2007-12-27 | 2009-07-01 | 方大集团股份有限公司 | Subway shield door system slide door suspension device and slide guide thereof |
| EP2133499A1 (en) * | 2008-06-12 | 2009-12-16 | Fratelli Comunello S.p.A. | Trolley for a slidable cantilever gate and process for its manufacture |
| CN103025985A (en) * | 2010-07-07 | 2013-04-03 | 亚萨合莱自动门系统有限公司 | Second wheel holder |
| CN102877726A (en) * | 2012-10-12 | 2013-01-16 | 绍兴超时代门控自动化有限公司 | Automatic door lifting frame mechanism |
| CN204299369U (en) * | 2014-11-14 | 2015-04-29 | 青岛德伦茨自动门有限公司 | A kind of translation door drive unit |
| US20160340951A1 (en) * | 2015-05-19 | 2016-11-24 | Krown Lab, Inc. | Roller assemblies for hanging panels |
| CN206571318U (en) * | 2017-03-08 | 2017-10-20 | 江苏德普尔门控科技有限公司 | Hanging structure and sliding door for sliding door |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107083891A (en) * | 2017-06-08 | 2017-08-22 | 江苏建筑职业技术学院 | A kind of sliding door upper rail based on building steel beam structure |
| CN109870352A (en) * | 2017-12-04 | 2019-06-11 | 北新集团建材股份有限公司 | A kind of plate hanging force test method |
| CN108518166A (en) * | 2018-04-20 | 2018-09-11 | 佛山汇众森泰科技有限公司 | A kind of folding hinge sliding door |
| CN114150872A (en) * | 2022-01-05 | 2022-03-08 | 蓝山永佳建筑材料有限公司 | Environment-friendly noise reduction device for construction engineering management |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106801555B (en) | 2018-08-17 |
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