CN219974230U - Guide rail connecting device of flexible lifting door - Google Patents
Guide rail connecting device of flexible lifting door Download PDFInfo
- Publication number
- CN219974230U CN219974230U CN202321539070.5U CN202321539070U CN219974230U CN 219974230 U CN219974230 U CN 219974230U CN 202321539070 U CN202321539070 U CN 202321539070U CN 219974230 U CN219974230 U CN 219974230U
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- China
- Prior art keywords
- flexible lifting
- lifting door
- bracket
- bearing
- connecting plate
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- 238000012423 maintenance Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Elevator Door Apparatuses (AREA)
Abstract
The utility model discloses a guide rail connecting device of a flexible lifting door, which comprises a mounting plate and two oppositely arranged bearing groups arranged on the mounting plate; the mounting plate is arranged at the end part of the framework of the flexible lifting door; each bearing group comprises a bracket, and a transverse bearing and a longitudinal bearing which are arranged on the bracket; the rear end of the bracket is connected to the mounting plate; the transverse bearing is arranged close to the front end of the bracket and is contacted with the groove surface of the door frame of the flexible lifting door; the longitudinal bearing is arranged close to the rear end of the bracket and is contacted with the outer surface of the door frame of the flexible lifting door. The utility model solves the problems of high maintenance frequency, inconvenient maintenance and the like of the traditional flexible lifting door.
Description
Technical Field
The present utility model relates to a flexible lifting door technology, and more particularly, to a guide rail connecting device of a flexible lifting door.
Background
The flexible lifting door is commonly used for a negative pressure workshop and has good tightness.
The flexible lifting door is limited on the I-shaped steel door frame by steel bars transversely extending out of the end part of the framework, and when the negative pressure workshop runs, the flexible lifting door is subjected to inward side pressure due to the influence of internal and external air pressure difference, and the support is provided by the steel bars at the outer side; the larger the width of the flexible lifting door and the distance between the frames, the larger the pressure of the steel bars to the door frame, and the larger the friction force of the flexible lifting door during opening and closing.
When the flexible lifting door is opened and closed, the steel bars and the door frame are rubbed, and after long-term use, the framework and the door frame structure of the flexible lifting door are worn, so that the phenomena of unsmooth opening and closing of the door, blocking and the like are easily generated, the maintenance frequency is high, and the workshop operation is influenced; the spacing billet welding is on the skeleton of flexible lift door, and the skeleton of flexible lift door can't break away from the door frame, and the clearance of skeleton and the door frame of flexible lift door is comparatively narrow, maintains inconveniently.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a guide rail connecting device of a flexible lifting door, which solves the problems of high maintenance frequency, inconvenient maintenance and the like of the conventional flexible lifting door.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a guide rail connecting device of a flexible lifting door comprises a mounting plate and two oppositely arranged bearing groups arranged on the mounting plate;
the mounting plate is arranged at the end part of the framework of the flexible lifting door;
each bearing group comprises a bracket, and a transverse bearing and a longitudinal bearing which are arranged on the bracket;
the rear end of the bracket is connected to the mounting plate;
the transverse bearing is arranged close to the front end of the bracket and is contacted with the groove surface of the door frame of the flexible lifting door;
the longitudinal bearing is arranged close to the rear end of the bracket and is contacted with the outer surface of the door frame of the flexible lifting door.
Preferably, the bracket comprises a vertical plate, a first connecting plate, a second connecting plate and a third connecting plate;
the rear ends of the vertical plates are welded on the mounting plate;
the first connecting plate and the second connecting plate are welded on the inner side surface of the vertical plate in the vertical direction in a vertical direction, and the first connecting plate and the second connecting plate are symmetrically arranged;
the rear end of the third connecting plate is welded on the mounting plate and is arranged in parallel with the vertical plate, and the inner side surface of the third connecting plate is opposite to the inner side surface of the vertical plate.
Preferably, the transverse bearing is arranged between the first connecting plate and the second connecting plate through a pin shaft;
the longitudinal bearing is arranged between the vertical plate and the rear end of the third connecting plate through a pin shaft.
The guide rail connecting device for the flexible lifting door provided by the utility model has the advantages that the upper-shaped door frame of the flexible lifting door is used as a track, the flexible lifting door is fixed, meanwhile, the friction of the flexible lifting door during lifting can be reduced, so that the service life of the flexible lifting door is prolonged, the guide rail connecting device has the characteristic of being convenient to install and disassemble, the flexible lifting door is more convenient to overhaul, the structure is simple, the use is convenient, and the safety is strong.
Drawings
FIG. 1 is a schematic view of a bearing assembly in a rail attachment apparatus of the present utility model;
fig. 2 is a schematic view showing a use state of the rail connecting apparatus of the present utility model.
Detailed Description
In order to better understand the above technical solution of the present utility model, the technical solution of the present utility model is further described below with reference to the accompanying drawings and examples.
Referring to fig. 1 and 2, the guide rail connecting device of a flexible lifting door provided by the utility model comprises a mounting plate 1 and two oppositely arranged bearing groups 2 arranged on the mounting plate 1.
The mounting plate 1 is fixed at the end position of the framework of the flexible lifting door through bolts.
Each bearing set 2 comprises a bracket, a transverse bearing 21 and a longitudinal bearing 22 arranged on the bracket.
The rear end of the bracket is welded and fixed on the mounting plate 1.
The transverse bearing 21 is arranged near the front end of the bracket and is contacted with the surface of the groove of the I-shaped door frame 3 on the flexible lifting door.
The longitudinal bearing 22 is arranged near the rear end of the bracket and is contacted with the outer surface of the I-shaped door frame 3 on the flexible lifting door.
The I-shaped door frame 3 is held by the two bearing groups 2 which are oppositely arranged, so that the purpose of stabilizing the flexible lifting door is achieved.
When the flexible lifting door is lifted up and down, the transverse bearing 21 and the longitudinal bearing 22 roll up and down along the I-shaped door frame 3, so that friction is reduced, the service life of the flexible lifting door is prolonged, and maintenance cost is reduced.
The bracket comprises a riser 23, a first connection plate 24, a second connection plate 25 and a third connection plate 26.
The rear end of the riser 23 is welded to the mounting plate 1.
The first connecting plate 24 and the second connecting plate 25 are vertically welded and fixed on the inner side surface of the vertical plate 23 near the front end, and the first connecting plate 24 and the second connecting plate 25 are symmetrically arranged.
The rear end of the third connecting plate 26 is welded and fixed on the mounting plate 1, is arranged parallel to the vertical plate 23, and the inner side surface of the third connecting plate 26 is close to the rear end position relative to the inner side surface of the vertical plate 23.
The transverse bearing 21 is mounted between the first connection plate 24 and the second connection plate 25 by means of a pin.
The longitudinal bearing 22 is mounted between the riser 26 and the rear end of the third connecting plate 23 by a pin.
The guide rail connecting device of the utility model is installed/disassembled as follows:
1) The positions of the transverse bearing 21 and the longitudinal bearing 22 on the bracket are determined according to the sizes of the framework of the flexible lifting door and the I-shaped door frame 3, and a bearing group 2 is manufactured;
2) Aligning the framework of the flexible lifting door with the I-shaped door frame 3, and determining the installation position of the guide rail connecting device;
3) Marking the positions of bolt holes of the mounting plate 1 on a framework of the flexible lifting door, and drilling holes;
4) Two bearing sets 2 are arranged on the framework of the flexible lifting door from two sides to hold the door frame 3, and bolts are fastened, so that the flexible lifting door can be normally used;
5) When maintenance is needed, the bearing group 2 on any side is removed, and the flexible lifting door can be separated from the limit of the door frame 3 to the other side.
It will be appreciated by persons skilled in the art that the above embodiments are provided for illustration only and not for limitation of the utility model, and that variations and modifications of the above described embodiments are intended to fall within the scope of the claims of the utility model as long as they fall within the true spirit of the utility model.
Claims (3)
1. A guide rail connecting device of a flexible lifting door, which is characterized in that: the device comprises a mounting plate and two oppositely arranged bearing groups arranged on the mounting plate;
the mounting plate is arranged at the end part of the framework of the flexible lifting door;
each bearing group comprises a bracket, and a transverse bearing and a longitudinal bearing which are arranged on the bracket;
the rear end of the bracket is connected to the mounting plate;
the transverse bearing is arranged close to the front end of the bracket and is contacted with the groove surface of the door frame of the flexible lifting door;
the longitudinal bearing is arranged close to the rear end of the bracket and is contacted with the outer surface of the door frame of the flexible lifting door.
2. The flexible lifting door rail connection unit of claim 1, wherein: the bracket comprises a vertical plate, a first connecting plate, a second connecting plate and a third connecting plate;
the rear ends of the vertical plates are welded on the mounting plate;
the first connecting plate and the second connecting plate are welded on the inner side surface of the vertical plate in the vertical direction in a vertical direction, and the first connecting plate and the second connecting plate are symmetrically arranged;
the rear end of the third connecting plate is welded on the mounting plate and is arranged in parallel with the vertical plate, and the inner side surface of the third connecting plate is opposite to the inner side surface of the vertical plate.
3. The flexible lifting door rail connection unit of claim 2, wherein: the transverse bearing is arranged between the first connecting plate and the second connecting plate through a pin shaft;
the longitudinal bearing is arranged between the vertical plate and the rear end of the third connecting plate through a pin shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321539070.5U CN219974230U (en) | 2023-06-16 | 2023-06-16 | Guide rail connecting device of flexible lifting door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321539070.5U CN219974230U (en) | 2023-06-16 | 2023-06-16 | Guide rail connecting device of flexible lifting door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219974230U true CN219974230U (en) | 2023-11-07 |
Family
ID=88586814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321539070.5U Active CN219974230U (en) | 2023-06-16 | 2023-06-16 | Guide rail connecting device of flexible lifting door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219974230U (en) |
-
2023
- 2023-06-16 CN CN202321539070.5U patent/CN219974230U/en active Active
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant |