CN211114704U - Interim construction platform of tunnel maintenance - Google Patents
Interim construction platform of tunnel maintenance Download PDFInfo
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- CN211114704U CN211114704U CN201921714133.XU CN201921714133U CN211114704U CN 211114704 U CN211114704 U CN 211114704U CN 201921714133 U CN201921714133 U CN 201921714133U CN 211114704 U CN211114704 U CN 211114704U
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Abstract
The utility model provides a temporary construction platform for tunnel maintenance, which comprises a main body frame structure and an oblique-pulling supporting structure, wherein the main body frame structure comprises a plurality of stand columns for supporting, a middle cross beam and a middle side beam for constructing a middle layer, and a top cross beam and a top side beam for constructing a top layer, the middle cross beam and the top cross beam are fixedly arranged on the stand columns at the front or the rear, and the middle side beam and the top side beam are fixedly arranged between the stand columns at the front and the rear; each vertical surface of the main body frame structure is provided with one to two diagonal braces for fixing the main body frame structure. The utility model has convenient movement, the rectangular square pipe frame is processed on the hole, the manufacture is convenient, the labor and time for operation in the hole are reduced, the cost is low, and the construction safety is more guaranteed; the utility model discloses every layer of space is divided to the science, has increased construction operation space, has saved the material, has reduced the cost, has improved the operating efficiency.
Description
Technical Field
The utility model relates to a construction equipment especially relates to a tunnel maintenance temporary construction platform.
Background
The movable construction platform is used in tunnel repairing engineering to provide operation base plane, to set worker in proper position according to different height operation requirement during construction and to move to the next operation plane after repairing one operation plane.
The movable construction platform can be divided into a rack pipe platform, a rectangular square pipe platform and an electric lifting platform according to the used materials.
At present, in the construction of tunnel pipeline repair engineering, a movable construction platform is taken as a novel construction platform, and has the advantages of small occupied space, convenience in construction, easiness in dismounting, easiness in moving, more turnover times, low investment and the like.
To most tunnel repair works, its well head can't pass through large-scale mechanical platform, and the whole weight of shelf pipe is too big, removes and need the dismouting repeatedly, consuming time and wasting force.
Further, the diameter of the tunnel is large and circular, and a construction platform and a single-layer construction platform which are vertically arranged cannot meet layered construction of two sides and different heights.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tunnel maintenance temporary construction platform is a double-deck portable construction platform, has solved the moving platform problem of operation in the large-scale tunnel, and its technical scheme is as follows:
a temporary construction platform for tunnel maintenance comprises a main body frame structure and a cable-stayed support structure, wherein the main body frame structure comprises a plurality of stand columns for supporting, a middle cross beam and a middle side beam for constructing a middle layer, and a top cross beam and a top side beam for constructing a top layer; each vertical surface of the main body frame structure is provided with one to two diagonal braces for fixing the main body frame structure.
The stand is provided with four, arranges perpendicularly, including left front column, right front column, left back stand and right back stand.
The length of the middle cross beam is the same as that of the top cross beam, the top cross beam is of an integral structure, and two ends of the top cross beam extend out of the outer sides of the stand columns; the middle cross beam is of a three-section structure and comprises a middle fixed arm and a left movable arm and a right movable arm which are arranged on two sides of the middle fixed arm, and the left movable arm and the right movable arm are connected with the middle fixed arm through a patch with holes welded on the movable arms.
The diagonal bracing comprises a diagonal bracing, one end of the diagonal bracing is fixedly mounted on the top cross beam, and the other end of the diagonal bracing is located below the middle cross beam and is fixedly mounted on the stand column.
The diagonal bracing comprises two diagonal bracing pieces between the upright columns at the front end and the rear end, one platform is provided with two diagonal bracing pieces, one side of each platform is from the upper left to the lower right, and the other side of each platform is from the upper right to the lower left.
The diagonal bracing comprises an oblique arm, one end of the oblique arm is located at the intersection point of the upright post and the top cross beam, and the other end of the oblique arm is located on the movable arm of the middle cross beam.
And bottom fixed side beams are fixedly arranged between the front and rear upright posts, and rollers are arranged on the side beams and provided with brakes.
The front and back of the construction platform are provided with crawling ladders.
The steel frame net piece with the hooks is paved on each layer.
And a top fence is arranged on the top layer of the construction platform.
The bottom of the temporary tunnel maintenance construction platform is provided with rollers, two layers of operation heights are provided, steel frame wire mesh sheets are laid on each layer, movable arms on two sides of the platform can extend to a distance of 15-20cm from a hole wall, the hole wall cannot be scraped due to too long extension when a corner is met, a top layer platform is provided with a protective railing, a square pipe material guarantees that enough safety rope hanging positions exist during high-altitude operation, construction operation of workers cannot be influenced, the platform is integrally stressed and fixed and is formed by obliquely pulling and riveting rectangular square pipes, and all parts are connected and fixed through bolts.
In addition, the whole stress of the platform is fixed and the rectangular square pipe with the thickness of 3mm is formed by inclined pulling riveting, and all parts are connected and fixed by bolts. The bolt hole diameter is 12mm, uses the diameter to be 10mm bolt riveting, and bolt length selects for use according to actual demand.
Drawings
FIG. 1 is a schematic structural view of the temporary construction platform for tunnel maintenance;
fig. 2 is a side schematic view of the tunnel repair temporary construction platform.
Detailed Description
As shown in fig. 1, the temporary construction platform for maintaining the front double-layer movable tunnel comprises an upright post 1, a middle cross beam 2, a top cross beam 3, a middle side beam 9 and a top side beam 10. The main body frame can be built by adopting a rectangular square tube.
The four upright columns 1 are vertically arranged and comprise a left front upright column, a right front upright column, a left rear upright column and a right rear upright column, and the left front upright column and the right front upright column are positioned in front to form a front group; the left rear upright post and the right rear upright post are positioned at the rear part to form a rear group; the left front upright post and the left rear upright post are positioned on the left side, and the right front upright post and the right rear upright post are positioned on the right side.
The top cross beams 3 are respectively and fixedly arranged above the front and the back groups of upright posts, and the middle cross beams 2 are respectively and fixedly arranged in the middle of the front and the back groups of upright posts. Specifically, a first top cross beam is fixedly arranged above the left front upright post and the right front upright post, and a second top cross beam is fixedly arranged above the left rear upright post and the right rear upright post; the first middle cross beam is fixedly arranged in the middle of the left front upright post and the right front upright post, and the second middle cross beam is fixedly arranged in the middle of the left rear upright post and the right rear upright post.
Between the front group of upright posts and the rear group of upright posts, a top side beam 10 is fixedly arranged above the front group of upright posts, and a middle side beam 9 is fixedly arranged in the middle of the front group of upright posts. Specifically, a first top side beam is fixedly arranged above the left front upright post and the left rear upright post, and a first middle side beam is fixedly arranged in the middle of the left front upright post and the left rear upright post; and a second top side beam is fixedly arranged above the right front upright post and the right rear upright post, and a second middle side beam is fixedly arranged in the middle of the right front upright post and the right rear upright post.
Further, the middle cross member 2 and the middle side members 9 are located on the same horizontal plane, and the roof cross member 3 and the roof side members 10 are located on the same horizontal plane. The length of the middle cross beam 2 is the same as that of the top cross beam 3, and both ends of the middle cross beam and the top cross beam extend out of the outer side of the upright post 1. The top cross beam 3 is of an integral structure, and two ends of the top cross beam extend out of the outer sides of the stand columns; the middle beam 2 is of a three-section structure and comprises a middle fixed arm and movable arms 7 on two sides of the middle fixed arm, wherein the movable arms 7 are divided into a left movable arm and a right movable arm, and the left movable arm and the right movable arm are connected with the middle fixed arm through a patch with holes welded on the movable arms.
The center side member 9 and the side roof members 10 are the same length, and there is no outwardly extending portion.
Thus, the plane of the middle cross member 2 and the middle side member 9 forms a middle layer, and the plane of the top cross member 3 and the side roof member 10 forms a top layer, and the position of each layer is set according to the height of the tunnel. And a steel frame mesh with hooks is paved on each layer.
The utility model discloses do from the top and draw to one side to support fixedly, each facade all has one to two to draw to one side to support. Specifically, the upright 1 and the top cross beam 3 are provided with an inclined strut 5, one end of the inclined strut 5 is fixedly installed on the top cross beam 3, and the other end is located below the middle cross beam 2 and is fixedly installed on the upright 1. Two inclined struts 5 are respectively arranged at the front end and the rear end.
Furthermore, an inclined arm 6 is arranged between the upright post 1 and the middle cross beam 2, one end of the inclined arm 6 is positioned at the intersection point of the upright post 1 and the top cross beam 3, and the other end is positioned on a movable arm of the middle cross beam 2. Specifically, a first oblique arm is fixed between the intersection point of the left front upright post and the first top cross beam and the left movable arm of the first middle side beam; a second oblique arm is fixed between the intersection point of the right front upright post and the first top cross beam and the right movable arm of the first middle side beam; a third inclined arm is fixed between the intersection point of the left rear upright post and the second top cross beam and the left movable arm of the second middle side beam; and a fourth inclined arm is fixed between the intersection point of the right rear upright post and the second top cross beam and the right movable arm of the second middle side beam.
And a pair of supports 11 are arranged between the front group of upright columns and the rear group of upright columns, only two pairs of platforms are used for supporting, one side of each platform is from the left top to the right bottom, and the other side of each platform is from the right top to the left bottom. Specifically, a butt support is formed between the left front upright post and the left rear upright post, and another cross butt support is formed between the right front upright post and the right rear upright post.
A bottom fixed side beam 8 is further arranged between the front and rear groups of stand columns, specifically, a first bottom fixed side beam is arranged between the bottoms of the left front stand column and the left rear stand column, and a second bottom fixed side beam is arranged between the right front stand column and the right rear stand column.
In addition, an up-down ladder stand can be respectively arranged on the front surface and the rear surface for leading constructors to reach different layers. The bottom of the platform is provided with a roller 12 which is provided with a brake and can be provided with a bottom fixed side beam 8.
The embodiment of the utility model provides a following is the size form of the interim construction platform of tunnel maintenance:
| numbering | Length (cm) |
| 1 column (4mm x 4mm) | 340 |
| 2 middle beam (6mm x 4mm) | 200 |
| 3 Top beam (6mm 4mm) | 380 |
| 4 Top fence (4mm x 2mm) | 200 |
| 5 diagonal brace (4mm x 2mm) | 250 |
| 6 oblique arm (4mm x 2mm) | 180 |
| 7 Movable arm (6mm 4mm) | 90 |
| 8 bottom fixed side beam (5mm x 5mm) | 245 |
| 9 middle side beam (4 mm) | 230 |
| 10 side roof beam (4mm x 2mm) | 230 |
| 11 brace (4mm x 2mm) | 340 |
| 12 roller | R＝10 |
The utility model discloses in, constitute main body frame through adopting rectangle side pipe to and constitute the triangle-shaped structure through bracing, communications strut, can realize stably. The brake of gyro wheel pins when the platform uses, opens when the platform removes, convenient construction.
The utility model has the advantages that: each part of the platform is easy to disassemble, so that the problem that a tunnel entrance is small can be solved; the platform materials are common materials in the market, so that the construction cost is low, the platform can be repeatedly used, all accessories can be timely matched after being damaged, and the construction period is guaranteed; the main material is a rectangular square tube, so that the manufacturing and processing are convenient, and the labor is saved; the platform is fast and convenient to set up and dismantle, the construction method is simple and convenient, waste materials generated during processing are removed, and no redundant garbage is generated in the using process.
The utility model discloses following beneficial effect has:
1. the utility model has convenient movement, the rectangular square pipe frame is processed on the hole, the manufacture is convenient, the labor and time for operation in the hole are reduced, the cost is low, and the construction safety is more guaranteed;
2. the utility model discloses every layer of space is divided to the science, has increased construction operation space, has saved the material, has reduced the cost, has improved the operating efficiency.
Claims (10)
1. The utility model provides a tunnel maintenance temporary construction platform which characterized in that: the cable-stayed support structure comprises a main body frame structure and a cable-stayed support structure, wherein the main body frame structure comprises a plurality of stand columns for supporting, a middle cross beam and a middle side beam for constructing a middle layer, and a top cross beam and a top side beam for constructing a top layer, the middle cross beam and the top cross beam are fixedly arranged on the stand columns in the front or the rear, and the middle side beam and the top side beam are fixedly arranged between the stand columns in the front and the rear; each vertical surface of the main body frame structure is provided with one to two diagonal braces for fixing the main body frame structure.
2. The tunnel repair temporary construction platform of claim 1, wherein: the stand is provided with four, arranges perpendicularly, including left front column, right front column, left back stand and right back stand.
3. The tunnel repair temporary construction platform of claim 1, wherein: the length of the middle cross beam is the same as that of the top cross beam, the top cross beam is of an integral structure, and two ends of the top cross beam extend out of the outer sides of the stand columns; the middle cross beam is of a three-section structure and comprises a middle fixed arm and a left movable arm and a right movable arm which are arranged on two sides of the middle fixed arm, and the left movable arm and the right movable arm are connected with the middle fixed arm through a patch with holes welded on the movable arms.
4. The tunnel repair temporary construction platform of claim 1, wherein: the diagonal bracing comprises a diagonal bracing, one end of the diagonal bracing is fixedly mounted on the top cross beam, and the other end of the diagonal bracing is located below the middle cross beam and is fixedly mounted on the stand column.
5. The tunnel repair temporary construction platform of claim 1, wherein: the diagonal bracing comprises two diagonal bracing pieces between the upright columns at the front end and the rear end, one platform is provided with two diagonal bracing pieces, one side of each platform is from the upper left to the lower right, and the other side of each platform is from the upper right to the lower left.
6. The tunnel repair temporary construction platform of claim 3, wherein: the diagonal bracing comprises an oblique arm, one end of the oblique arm is located at the intersection point of the upright post and the top cross beam, and the other end of the oblique arm is located on the movable arm of the middle cross beam.
7. The tunnel repair temporary construction platform of claim 1, wherein: and bottom fixed side beams are fixedly arranged between the front and rear upright posts, and rollers are arranged on the side beams and provided with brakes.
8. The tunnel repair temporary construction platform of claim 1, wherein: the front and back of construction platform is provided with the cat ladder, and top rail is installed to construction platform's top layer.
9. The tunnel repair temporary construction platform of claim 1, wherein: the steel frame net piece with the hooks is paved on each layer.
10. The tunnel repair temporary construction platform of claim 3, wherein: the movable arms comprise a left movable arm and a right movable arm, the movable arms on the two sides of the platform can extend to a distance of 15-20cm from the hole wall, and the hole wall cannot be scratched due to too long extension when meeting corners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714133.XU CN211114704U (en) | 2019-10-12 | 2019-10-12 | Interim construction platform of tunnel maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921714133.XU CN211114704U (en) | 2019-10-12 | 2019-10-12 | Interim construction platform of tunnel maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211114704U true CN211114704U (en) | 2020-07-28 |
Family
ID=71688761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921714133.XU Active CN211114704U (en) | 2019-10-12 | 2019-10-12 | Interim construction platform of tunnel maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211114704U (en) |
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2019
- 2019-10-12 CN CN201921714133.XU patent/CN211114704U/en active Active
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