CN213449574U - Opening folding and openable protective cover plate - Google Patents
Opening folding and openable protective cover plate Download PDFInfo
- Publication number
- CN213449574U CN213449574U CN202020411211.5U CN202020411211U CN213449574U CN 213449574 U CN213449574 U CN 213449574U CN 202020411211 U CN202020411211 U CN 202020411211U CN 213449574 U CN213449574 U CN 213449574U
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- protective
- protection
- plate
- opening
- protective cover
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- 230000001681 protective effect Effects 0.000 title claims abstract description 105
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000000694 effects Effects 0.000 claims description 5
- 238000010276 construction Methods 0.000 abstract description 16
- 238000000034 method Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Abstract
The utility model discloses a protective cover plate with a folding opening for a cave opening, which comprises a protective plate and a protective frame which are positioned above a horizontal cave opening, wherein, the protective plate is one or more, when the protective plate is a plurality of, the adjacent protective plates are hinged with each other; the protective frame comprises at least two protective upright posts and protective cross rods which are detachably arranged on the protective upright posts, and the protective upright posts are detachably connected with the protective plates; when the protection upright stanchions are in an upright state relative to the protection plate, the adjacent protection upright stanchions are fixedly connected through the protection cross rod; through folding guard plate and protection frame design, make it in the reality, but reuse, the construction degree of difficulty is low, and is little to the entrance to a cave construction influence, can carry out the assembling of adaptability to the guard plate according to the protection demand at the entrance to a cave, improves the adaptability of device.
Description
Technical Field
The utility model relates to a job site entrance to a cave protection field especially relates to need frequently to open confined level entrance to a cave protection.
Background
In building construction, safety management is always the key and difficult work in project management, and in numerous safety accidents, the problem of insufficient protection of the opening is always frequent potential safety hazard, so that the good protection of the opening has very important significance for reducing the occurrence probability of accidents.
Based on the above, the chinese utility model patent "CN 205206366U" discloses a horizontal portal safety protection device, which is to lay a layer of template after laying a reinforcing mesh on the portal; the utility model discloses a china utility model patent "CN 206539046U" discloses a temporary rail guard of civil building floor level entrance to a cave, and its protection to the level entrance to a cave is through setting up the rail guard at the entrance to arrange the guard plate around the rail guard.
Although the technical schemes of the two utility model patents generate a certain protection effect on the horizontal tunnel opening, the defects of difficult installation and disassembly, difficult turnover, more reworking times and influence on secondary construction still exist; therefore, it is necessary to design a horizontal hole opening protection device which has low construction difficulty, can be repeatedly used and has small influence on hole opening construction.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a folding open-type protection cover plate in entrance to a cave to solve the problem that above-mentioned prior art exists, make the collapsible dismouting of protector, but reuse, and then make the protection construction degree of difficulty to horizontal entrance to a cave reduce, influence the construction of entrance to a cave reduces.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a protective cover plate with a folding opening for a cave opening, which comprises a protective plate and a protective frame which are positioned above a horizontal cave opening, wherein, the protective plate is one or more, when the protective plate is a plurality of, the adjacent protective plates are hinged with each other; the protective frame comprises at least two protective upright posts and protective cross rods which are detachably arranged on the protective upright posts, and the protective upright posts are detachably connected with the protective plates; when the protection upright stanchions are in an upright state relative to the protection plate, the adjacent protection upright stanchions are fixedly connected through the protection cross rod.
Preferably, the protection plate is hinged with an embedded part, and the embedded part is any one of angle steel, channel steel, I-steel and H-shaped steel.
Preferably, the adjacent protection plates and the embedded parts are connected through hinge plates.
As preferred, the shape of guard plate includes polygon, fan-shaped or circular, satisfies the protection demand of different horizontal entrance to a cave through carrying out the activity concatenation to the polylith guard plate.
Preferably, a connecting framework used for fixing the adjacent protection plates after the protection plates are unfolded is further arranged between the protection plates, and the connecting framework is fixed on the two protection cover plates through bolts.
Preferably, the protection plate is provided with a handle.
Preferably, the protection upright stanchion is hinged with the protection plate; the protective vertical rods can be stored on the protective plates by rotating along the hinge points, and when the steering directions of the protective vertical rods are positioned in the range of an included angle formed by two ends of a crease between adjacent protective plates and the hinge points, the top ends of the stored protective vertical rods do not exceed the range of the crease; when the two ends of the folding line between the adjacent protective plates are positioned outside the included angle range formed by the hinged point in the turning direction of the protective vertical rod, the length of the protective vertical rod after being stored is not limited.
Preferably, the protection vertical rod and the protection cross rod are mutually clamped and fixed through a clamping groove or connected and fixed through a bolt at the joint of the protection vertical rod and the protection cross rod.
Preferably, a screen, a baffle, a reflective strip or a warning board is arranged on the protective frame.
The utility model discloses for prior art gain following technological effect: due to the design of the foldable protection plate and the foldable protection frame, in the actual use process, the occupied space is small and the transportation efficiency is high due to the foldable structure during transportation; when the protective frame is installed, the horizontal tunnel portal can be protected only by unfolding and fixing the protective plates on the horizontal tunnel portal and erecting the protective frame, so that the construction difficulty is low and the construction efficiency is high; during recovery, the protective frame and the protective plate are only needed to be disassembled and folded, so that the secondary construction of the opening is less influenced and the protective frame can be repeatedly used; meanwhile, the protection plates can be adaptively assembled according to the protection requirements of the opening, and the adaptability of the device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a view of the protective cover plate of the present invention;
FIG. 2 is a view showing the structure of the protective cover plate of the present invention when it is folded;
wherein, 1-embedded part; 2-connecting piece I; 3-protective cover plate I; 4-connecting piece II; 5-protective cover plate II; 6-a handle; 7-connecting the skeleton; 8-fixing bolt holes; 9-fixing the bolt I; 10-a hinged seat; 11-a protective vertical rod; 12-a guard rail; 13-fixing bolt II.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a folding open-type protection apron in entrance to a cave to solve the problem that prior art exists, make the collapsible dismouting of protector, but reuse, and then make the protection construction degree of difficulty to horizontal entrance to a cave reduce, influence the construction of entrance to a cave reduces.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
as shown in fig. 1-2, this embodiment provides an openable guard flap is folded in entrance to a cave, including guard plate and the protection frame that is located horizontal entrance to a cave top, the protection frame sets up on the guard plate, the guard plate passes through the pin to be fixed at horizontal entrance to a cave edge, wherein, the guard plate comprises guard flap I3 and guard flap II5, guard flap I3 and guard flap II5 pass through connecting piece II4 swing joint, the protection frame includes four protection poles 11 and eight protection horizontal poles 12, protection poles 11 articulate the four corners at the guard plate through articulated seat 10, through protection horizontal pole 12 fixed connection between the adjacent protection poles 11, it is fixed to remove to connect through fixing bolt II13 at the node of protection poles 11 and protection horizontal pole 12.
When the horizontal cave mouth needs to be protected, firstly, a protective cover plate I3 and a protective cover plate II5 are unfolded above the horizontal cave mouth along a connecting piece II4 and fixed on the edge of the horizontal cave mouth through pins, then, a protective cross rod 12 is erected along a hinge base 10, and finally, the protective cross rod 12 is connected and fixed between the adjacent protective upright rods 11 through a fixing bolt II 13; when the protection was accomplished and is disassembled the device, unscrew fixing bolt II13 earlier, pull down protection horizontal pole 12, then accomodate protection pole setting 11 on the guard plate, play the pin at last, with protective cover board I3 and protective cover board II5 along connecting piece II4 folding can.
By the design of the foldable protection plate and the foldable protection frame, the device is only required to be conveyed to a horizontal hole construction position and unfolded and assembled in the actual using process; during recovery, the device is only required to be folded and detached; but reuse not only, the construction degree of difficulty is low moreover, and is little to the entrance to a cave construction, can effectively reduce the influence to on-the-spot secondary operation.
Further, both link I2 and link II4 are hinge plates to provide a higher folding effect.
Furthermore, a silk screen, a baffle, a reflective strip or a warning board is arranged on the protective frame.
Furthermore, a handle 6 is arranged on the protective cover plate I3 or the protective cover plate II5, so that the protective plates can be disassembled conveniently.
Further, when the turning direction of the protective vertical rod 1 is located in the range of an included angle (see auxiliary dotted line in fig. 1) formed by two ends of the crease between the protective cover plate I3 or the protective cover plate II5 and the hinge seat 10, the top end of the stored protective vertical rod 11 does not exceed the range of the crease;
further, when the turning direction of the protective vertical rod 1 is located outside the range of the included angle (see the auxiliary dotted line in fig. 1) formed by the two ends of the crease between the protective cover plate I3 or the protective cover plate II5 and the hinged seat 10, the length of the protective vertical rod 11 after being stored is not limited.
Example two:
compared with the first embodiment, the difference of the first embodiment is that as shown in fig. 1-2, one side of the protective cover plate I3 is movably connected with an embedded part 1 through a connecting part I, when a horizontal cave entrance needs to be protected, the embedded part 1 is fixed on one side of the edge of the horizontal cave entrance, and then the protective cover plate I3 and the protective cover plate II5 are unfolded to reduce the construction difficulty of the protective cover plate.
Be provided with on protective cover board I3 and protective cover board II5 and be used for protective cover board I3 and protective cover board II5 to expand fixed connection skeleton 7 in back, connect skeleton 7 and pass fixing bolt hole 8 through fixing bolt II9 and connect fixedly, strengthen protective cover board I3 and protective cover board II 5's wholeness through connecting skeleton 7, and then improve its protective capacities.
Furthermore, the embedded part is any one of angle steel, channel steel, I-steel and H-shaped steel.
Example three:
compared with the first embodiment and the second embodiment, the protection plate has the difference that the protection plates are polygonal, fan-shaped or circular, and the protection requirements of different horizontal holes are met by movably splicing a plurality of protection plates. The protection upright stanchion is detachably connected with the protection plate.
It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. The utility model provides a folding open-type protection apron in entrance to a cave which characterized in that: the protective plate comprises a protective plate and a protective frame which are positioned above a horizontal cave mouth, wherein the protective plate is one or more, and when the protective plate is more than one, the adjacent protective plates are hinged; the protective frame comprises at least two protective upright posts and a protective cross rod which is detachably arranged on the protective upright posts, and the protective upright posts are detachably arranged on the protective plate; when the protection vertical rods are in an upright state relative to the protection plate, the adjacent protection vertical rods are fixedly connected through the protection cross rod.
2. The opening-folded openable protective cover plate according to claim 1, wherein: the protection plate is hinged with an embedded part, and the embedded part is any one of angle steel, channel steel, I-shaped steel and H-shaped steel.
3. The opening-folded openable protective cover plate according to claim 2, wherein: the adjacent protection plates and the embedded parts are connected through hinge plates.
4. The opening-folded openable protective cover plate according to claim 3, wherein: the shape of guard plate includes polygon, fan-shaped or circular, through to the polylith the guard plate carries out the activity concatenation and satisfies the protection demand of different horizontal entrance to a cave.
5. The opening-folded openable protective cover plate according to claim 4, wherein: still be provided with between the guard plate and be used for adjacently the guard plate expandes the fixed connection skeleton of back, it passes through the bolt fastening two to connect the skeleton on the protective cover board.
6. The opening-folded openable protective cover plate according to claim 2, wherein: the protection plate is provided with a handle.
7. The opening-folded openable protective cover plate according to claim 1, wherein: the protection upright stanchion is hinged with the protection plate; the protective vertical rods can be stored on the protective plates by rotating along the hinge points, and when the steering directions of the protective vertical rods are positioned in the range of an included angle formed by two ends of a crease between adjacent protective plates and the hinge points, the top ends of the stored protective vertical rods do not exceed the range of the crease; when the steering of the protection vertical rod is positioned outside the range of an included angle formed by two ends of a crease between adjacent protection plates and a hinged point, the length of the protection vertical rod after being stored is not limited.
8. The opening-folded openable protective cover plate according to claim 1, wherein: the protective upright rod is connected with the protective cross rod at the joint, and the protective upright rod is fixedly connected with the protective cross rod through a clamping groove in a clamped mode or fixedly connected through a bolt.
9. The opening-folded openable protective cover plate according to claim 1, wherein: the protective frame is provided with a silk screen, a baffle, a reflective strip or a warning board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411211.5U CN213449574U (en) | 2020-03-26 | 2020-03-26 | Opening folding and openable protective cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020411211.5U CN213449574U (en) | 2020-03-26 | 2020-03-26 | Opening folding and openable protective cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213449574U true CN213449574U (en) | 2021-06-15 |
Family
ID=76287919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020411211.5U Expired - Fee Related CN213449574U (en) | 2020-03-26 | 2020-03-26 | Opening folding and openable protective cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213449574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899504A (en) * | 2021-09-23 | 2022-01-07 | 深圳华尔升智控技术有限公司 | Helium mass spectrometer leak detector with safety protection function |
-
2020
- 2020-03-26 CN CN202020411211.5U patent/CN213449574U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113899504A (en) * | 2021-09-23 | 2022-01-07 | 深圳华尔升智控技术有限公司 | Helium mass spectrometer leak detector with safety protection function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210615 |