CN219826263U - Telescopic tunnel portal protection device - Google Patents
Telescopic tunnel portal protection device Download PDFInfo
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- CN219826263U CN219826263U CN202321209338.9U CN202321209338U CN219826263U CN 219826263 U CN219826263 U CN 219826263U CN 202321209338 U CN202321209338 U CN 202321209338U CN 219826263 U CN219826263 U CN 219826263U
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- telescopic
- upright post
- tunnel portal
- protection device
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- 230000001681 protective effect Effects 0.000 claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- 238000010276 construction Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 230000001012 protector Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006978 adaptation Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to the technical field of construction protection, and provides a telescopic tunnel portal protection device which comprises a first protection frame, a second protection frame, a vertical sliding assembly and a fixing device. The first protection frame comprises a first upright post and a first telescopic rod; the second protection frame comprises a second upright post and a second telescopic rod; the vertical sliding assembly realizes the relative sliding of the first protective frame and the second protective frame along the vertical direction. The beneficial effects of the utility model are as follows: the protection device can be suitable for the protection of the holes with different widths and different heights, has wide application range, is convenient to assemble and disassemble, is very convenient to turn around for reuse, and reduces the construction cost. In addition, can install first protective frame earlier during installation, install the second protective frame again, when installing the second protective frame, first protective frame has played the guard action, reduces protector's installation risk.
Description
Technical Field
The utility model belongs to the technical field of construction protection, and particularly relates to a telescopic tunnel portal protection device.
Background
At present, the construction industry in China continues to develop at a high speed, but the construction safety is Shi Gongpin, wherein the incidence rate of falling and striking accidents of objects at the high positions of the edges is 40% -50%. At present, most of building site horizontal hole protection adopts templates and wood beams to seal, and the sealing structure is basically not reusable due to fixed structural size, has large waste and has a certain degree of danger when being erected.
Therefore, there is a need for an opening protection device that can accommodate different opening sizes and be used in multiple passes to reduce construction costs.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the telescopic opening protection device, which is suitable for protecting openings with different sizes by adjusting the protection area of the protection device through transverse expansion and vertical sliding, and is convenient to assemble and disassemble and capable of being used in a turnover way.
The utility model provides a telescopic tunnel portal protection device, which comprises:
the first protection frame comprises two first upright posts arranged at a transverse interval and a first telescopic rod arranged between the two first upright posts and telescopic along the transverse direction;
the second protection frame comprises two second upright posts arranged at a transverse interval and a second telescopic rod arranged between the two second upright posts and telescopic along the transverse direction;
the vertical sliding assembly is connected with the first protective frame and the second protective frame so as to realize the relative sliding of the first protective frame and the second protective frame along the vertical direction; and
the fixing device comprises a plurality of first fixing angle steels and a plurality of second fixing angle steels; the first fixed angle steels are fixedly connected with the first upright posts, and the first fixed angle steels are also connected with the side ends of the holes; the second fixed angle steel is connected with the second protection frame, and the second fixed angle steel is also connected with the top end of the hole.
Further, the protection device further comprises four protection plates; the opposite sides of the two first stand columns and the opposite sides of the two second stand columns are respectively provided with a protection plate.
Further, the protection surfaces of the four protection plates are vertical and parallel; two protection plates positioned on opposite sides of the two first upright posts are distributed in a staggered manner along the thickness direction of the two protection plates; two protection plates positioned on opposite sides of the two second upright posts are distributed in a staggered manner along the thickness direction of the two protection plates; two protection plates which are vertically connected with the first upright post and the second upright post in one-to-one correspondence are respectively staggered along the thickness direction of the protection plates.
Further, the protection plate is a protection panel or a protection screen plate.
Further, the first telescopic rods are arranged at intervals along the height direction of the first upright post; each first telescopic rod comprises a first outer pipe and a first inner rod which are in plug-in telescopic fit along the length direction of the first telescopic rod; one end of the first outer tube, which is far away from the first inner rod, is fixedly connected with one first upright post, and one end of the first inner rod, which is far away from the first outer tube, is fixedly connected with the other first upright post.
Further, a plurality of second telescopic rods are arranged at intervals along the height direction of the second upright post; each second telescopic rod comprises a second outer pipe and a second inner rod which are in splicing telescopic fit along the length direction of the second telescopic rod; one end of the second outer pipe far away from the second inner rod is fixedly connected with one second upright post, and one end of the second inner rod far away from the second outer pipe is fixedly connected with the other second upright post.
Further, the second fixed angle steel is fixed on the second outer tube and the second inner rod of the second telescopic rod.
Further, the vertical sliding assemblies are provided with two groups, and each group comprises a track and a sliding block; the track is vertically and fixedly arranged at the side end of the second upright post, the sliding block is arranged on the track and is in vertical sliding fit with the track, and the sliding block is fixedly arranged at the side end of the first upright post.
Further, the guard device further comprises casters; the casters are arranged at opposite side ends of the two first upright posts.
Further, the fixing device further comprises a connecting bolt; through holes are respectively formed in the first fixed angle steel and the second fixed angle steel; the connecting bolts penetrate through the through holes and are connected with the side ends and the top ends of the holes.
The beneficial effects of the utility model are as follows: the first protection frame stretches transversely through the first telescopic rod, and the second protection frame stretches transversely through the second telescopic rod, so that the protection device is applicable to protection of holes with different widths; the vertical sliding assembly is used for realizing the vertical sliding of the first protection frame and the second protection frame, and the fixing device is used for respectively fixing the first protection frame and the second protection frame, so that the protection device can be suitable for protecting holes with different heights; therefore, the protection device disclosed by the utility model can be suitable for protecting holes with different widths and different heights, is wide in application range, is convenient to assemble and disassemble, is very convenient to turn around and reuse, and reduces the construction cost. In addition, can install first protective frame earlier during installation, install the second protective frame again, when installing the second protective frame, first protective frame has played the guard action, reduces protector's installation risk.
Drawings
Fig. 1 is a schematic front view of an expandable tunnel portal protection device according to the present utility model.
Fig. 2 is a schematic top view of the protective device of fig. 1 after being mounted in an opening.
Fig. 3 is a schematic side view of fig. 2.
Fig. 4 is a schematic front view of the first protection frame of fig. 1.
Fig. 5 is a schematic front view of the second protective frame of fig. 1.
In the figure: 10-a first protective frame; 11-a first upright; 12-a first telescopic rod; 121-a first outer tube; 122-a first inner rod; 20-a second protective frame; 21-a second upright; 22-a second telescopic rod; 221-a second outer tube; 222-a second inner rod; 30-a vertical slip assembly; 31-track; 32-a slider; 40-protecting plates; 51-a first fixed angle steel; 52-second fixed angle steel; 53-connecting bolts; 60-casters; 70-hole.
Detailed Description
The utility model is described in further detail below with reference to the drawings and specific examples.
The telescopic portal protection device as shown in fig. 1-5, comprising: the device comprises a first protection frame, a second protection frame, a vertical sliding assembly, a fixing device and a protection plate.
The first protection frame is vertically arranged and comprises two first upright posts arranged at a transverse interval and a first telescopic rod arranged between the two first upright posts and telescopic along the transverse direction; wherein, first stand self erects the setting. A plurality of first telescopic links are arranged between the two first upright posts along the height direction of the first upright posts at intervals, and the telescopic direction of each first telescopic link is horizontal and transverse. The height direction of the first upright is the erection direction mentioned in the foregoing description.
The second protection frame is erected and is arranged, and the second protection frame comprises two second upright posts arranged at a transverse interval and a second telescopic rod arranged between the two second upright posts and telescopic along the transverse direction. The second protective frame has a structure similar to that of the first protective frame. A plurality of second telescopic rods are arranged between the two second upright posts along the height direction of the second upright posts at intervals.
The vertical sliding component is connected with the first protective frame and the second protective frame so as to realize the relative sliding of the first protective frame and the second protective frame along the vertical direction.
The vertical sliding assembly comprises two groups, wherein each group comprises a track and one or more sliding blocks; the track is vertically fixed to be set up in the side of second stand, and the slider setting is rather than following vertical sliding fit on the track, and the slider is fixed to be set up in the side of first stand, and the preferred slider setting is at the side top of first stand.
The first protection frame and the second protection frame are assembled, the second stand column is arranged above the first stand column in parallel, the length directions of the first stand column and the second stand column are parallel to the length direction of the rail, the sliding block is matched with the rail, and under the action of the rail and the sliding block, the second stand column can vertically ascend and descend, so that the height of the second stand column is adjusted. The height of the second upright post is the height of the second protective frame so as to cover holes with different heights.
The fixing device comprises a plurality of first fixing angle steels and a plurality of second fixing angle steels; the first fixed angle steels are fixedly connected with the first upright posts and are also connected with the side ends of the holes; the second fixed angle steel is connected with the second protection frame, and the second fixed angle steel is also connected with the top end of the hole.
The fixing device also comprises a connecting bolt; through holes are respectively formed in the first fixed angle steel and the second fixed angle steel; the connecting bolts pass through the through holes to connect with the side ends and the top ends of the holes 70.
The protection plate in this embodiment has four protection plates. The opposite sides of the two first upright posts and the opposite sides of the two second upright posts are respectively provided with a protection plate.
The protection surfaces of the four protection plates are vertical and parallel; two protection plates positioned on opposite sides of the two first upright posts are staggered along the thickness direction of the two protection plates; two protection plates positioned on opposite sides of the two second upright posts are staggered along the thickness direction of the two protection plates; two protection plates which are vertically connected with the first upright post and the second upright post in one-to-one correspondence are respectively staggered along the thickness direction of the protection plates.
In other words, two first posts and two second posts of the embodiment are respectively provided with a protection plate. In order to enable the first telescopic rod of the first protection frame to be telescopic transversely so as to adjust the width of the first protection frame, thereby being suitable for holes 70 with different widths, the protection plates need to be prevented from influencing the expansion and contraction of the first protection frame, so that the two protection plates of the first protection frame are distributed in a staggered manner along the thickness direction of the first protection frame, and when the first telescopic rod is shortened, the two protection plates of the first protection frame are tightly attached to each other and can move along the length direction of the first telescopic rod.
Similarly, two protection plates between two second upright posts also adopt similar structures which are distributed in a staggered manner along the thickness direction, so as to avoid the influence of the protection plates on the opposite movement of the second upright posts.
In addition, since the protection device of the present embodiment is also applicable to openings 70 with different heights, that is, the first upright and the second upright can relatively move along the height direction, so as to adjust the height of the protection device. In order to avoid collision between the protection plates on the first upright post and the protection plates on the second upright post, the two protection plates in the height direction are staggered along the thickness direction.
The protection plate can be a protection panel or a protection screen plate. The protection panel is a whole steel plate, the protection screen plate is a metal mesh, and although the protection strength is not as good as that of the whole steel plate, the light transmittance is good.
The first telescopic rods are arranged at intervals along the height direction of the first upright post; each first telescopic rod comprises a first outer pipe and a first inner rod which are in splicing telescopic fit along the length direction of the first telescopic rod; one end of the first outer tube, which is far away from the first inner rod, is fixedly connected with one first upright post, and one end of the first inner rod, which is far away from the first outer tube, is fixedly connected with the other first upright post.
The second telescopic rods are arranged at intervals along the height direction of the second upright post; each second telescopic rod comprises a second outer pipe and a second inner rod which are in splicing telescopic fit along the length direction of the second telescopic rod; one end of the second outer pipe away from the second inner rod is fixedly connected with one second upright post, and one end of the second inner rod away from the second outer pipe is fixedly connected with the other second upright post.
In this embodiment, there are four first telescopic rods, and four second telescopic rods.
The second fixed angle steel is fixed on the second outer pipe and the second inner rod of the second telescopic rod. Preferably, the second fixed angle is fixed to the uppermost second telescopic rod, so as to fixedly connect the second fixed angle with the top end of the hole 70.
The protective device also comprises casters; the truckle sets up in the opposite side end of two first stands. Casters may be provided at the lateral ends of any one of the first uprights. When the protection device of the embodiment needs to be turned over, the second protection frame slides between the two first upright posts of the first protection frame, the area of the protection device is reduced, and the protection device is turned over, so that the casters fall to the ground, and the turning over is convenient.
The first column of this embodiment is a square aluminum tube of 70X 3mm. The second column uses square steel pipes with the diameter of 30 multiplied by 3mm. The thickness of the protection plate is 3mm. The first inner rod and the second inner rod are square rods, the size is 25 multiplied by 3mm, the first outer tube and the second outer tube are square tubes, and the size is 30 multiplied by 3mm. The first fixed angle steel and the second fixed angle steel have the dimensions of L50X 5mm.
The protector of this embodiment can adapt to the protection setting of different entrance to a cave 70 sizes, and installs and removes conveniently, and the transport of being convenient for can have enough to meet the need many times and use, and the accessory all can be bought on the market, and processing is convenient, and is simple to use, can satisfy on-the-spot actual production demand.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the utility model without departing from the principles thereof are intended to be comprehended by those skilled in the art and are intended to be within the scope of the utility model.
Claims (10)
1. A retractable tunnel portal protection device, comprising:
the first protection frame comprises two first upright posts arranged at a transverse interval and a first telescopic rod arranged between the two first upright posts and telescopic along the transverse direction;
the second protection frame comprises two second upright posts arranged at a transverse interval and a second telescopic rod arranged between the two second upright posts and telescopic along the transverse direction;
the vertical sliding assembly is connected with the first protective frame and the second protective frame so as to realize the relative sliding of the first protective frame and the second protective frame along the vertical direction; and
the fixing device comprises a plurality of first fixing angle steels and a plurality of second fixing angle steels; the first fixed angle steels are fixedly connected with the first upright posts, and the first fixed angle steels are also connected with the side ends of the holes; the second fixed angle steel is connected with the second protection frame, and the second fixed angle steel is also connected with the top end of the hole.
2. The retractable tunnel portal protection device of claim 1, further comprising four protection plates; the opposite sides of the two first stand columns and the opposite sides of the two second stand columns are respectively provided with a protection plate.
3. The retractable tunnel portal protection device of claim 2, wherein the protection surfaces of four of said protection plates are upright and parallel; two protection plates positioned on opposite sides of the two first upright posts are distributed in a staggered manner along the thickness direction of the two protection plates; two protection plates positioned on opposite sides of the two second upright posts are distributed in a staggered manner along the thickness direction of the two protection plates; two protection plates which are vertically connected with the first upright post and the second upright post in one-to-one correspondence are respectively staggered along the thickness direction of the protection plates.
4. The retractable tunnel portal protection device of claim 2, wherein the protection plate is a protection panel or a protection screen.
5. The telescopic tunnel portal protection device according to claim 1, wherein the first telescopic rod is provided with a plurality of telescopic rods at intervals along the height direction of the first upright post; each first telescopic rod comprises a first outer pipe and a first inner rod which are in plug-in telescopic fit along the length direction of the first telescopic rod; one end of the first outer tube, which is far away from the first inner rod, is fixedly connected with one first upright post, and one end of the first inner rod, which is far away from the first outer tube, is fixedly connected with the other first upright post.
6. The telescopic tunnel portal protection device according to claim 1, wherein the second telescopic rod is provided with a plurality of telescopic rods at intervals along the height direction of the second upright post; each second telescopic rod comprises a second outer pipe and a second inner rod which are in splicing telescopic fit along the length direction of the second telescopic rod; one end of the second outer pipe far away from the second inner rod is fixedly connected with one second upright post, and one end of the second inner rod far away from the second outer pipe is fixedly connected with the other second upright post.
7. The retractable tunnel portal protection device of claim 6, wherein said second securing angle is secured to a second outer tube and a second inner rod of said second telescoping rod.
8. The retractable tunnel portal protection device of claim 1, wherein said vertical slip assembly has two sets, each set comprising a track and a slider; the track is vertically and fixedly arranged at the side end of the second upright post, the sliding block is arranged on the track and is in vertical sliding fit with the track, and the sliding block is fixedly arranged at the side end of the first upright post.
9. The retractable tunnel portal protection device of claim 1, further comprising casters; the casters are arranged at opposite side ends of the two first upright posts.
10. The retractable tunnel portal protection device of claim 1, wherein said securing device further comprises a connecting bolt; through holes are respectively formed in the first fixed angle steel and the second fixed angle steel; the connecting bolts penetrate through the through holes and are connected with the side ends and the top ends of the holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209338.9U CN219826263U (en) | 2023-05-18 | 2023-05-18 | Telescopic tunnel portal protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321209338.9U CN219826263U (en) | 2023-05-18 | 2023-05-18 | Telescopic tunnel portal protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219826263U true CN219826263U (en) | 2023-10-13 |
Family
ID=88277202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321209338.9U Active CN219826263U (en) | 2023-05-18 | 2023-05-18 | Telescopic tunnel portal protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219826263U (en) |
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2023
- 2023-05-18 CN CN202321209338.9U patent/CN219826263U/en active Active
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