CN220468598U - Tunnel protective trestle structure - Google Patents
Tunnel protective trestle structure Download PDFInfo
- Publication number
- CN220468598U CN220468598U CN202320560519.XU CN202320560519U CN220468598U CN 220468598 U CN220468598 U CN 220468598U CN 202320560519 U CN202320560519 U CN 202320560519U CN 220468598 U CN220468598 U CN 220468598U
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- Prior art keywords
- trestle
- steel plate
- pin
- tunnel
- single steel
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- 230000001681 protective effect Effects 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 73
- 239000010959 steel Substances 0.000 claims abstract description 73
- 238000010276 construction Methods 0.000 claims abstract description 29
- 230000004224 protection Effects 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 241001397809 Hakea leucoptera Species 0.000 claims description 12
- 239000004575 stone Substances 0.000 abstract description 8
- 239000002893 slag Substances 0.000 abstract description 7
- 230000009979 protective mechanism Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
Landscapes
- Lining And Supports For Tunnels (AREA)
Abstract
The utility model relates to the field of trestle, in particular to a tunnel protective trestle structure, which comprises a first trestle and a second trestle; a protection mechanism is arranged between the first trestle and the second trestle; the protection mechanism comprises a protection steel plate arranged between the first trestle and the second trestle; the utility model discloses a tunnel protective trestle structure, which can shield a construction interval between a first trestle and a second trestle by arranging a protective mechanism, has a good protective effect, can prevent slag stones on a transport vehicle from falling into the construction interval, and is equivalent to increasing the width of the trestle structure, so that constructors can conveniently pass the trestle.
Description
Technical Field
The utility model relates to the field of trestle, in particular to a tunnel protective trestle structure.
Background
In the tunnel construction process, construction equipment such as a slag discharging vehicle, a digging machine and the like are required to tunnel, and the mechanical equipment inevitably passes through an inverted arch in the process of construction in the tunnel, so that inverted arch trestle is required to transport vehicles and other mechanical equipment.
And jolt of the vehicle can appear when the vehicle and other mechanical equipment pass through the landing stage, the dregs, the stone attached to the vehicle body and in the vehicle can drop to the inverted arch construction area below, if there is no protector in the middle of the landing stage, the stone dregs can fall to the inverted arch reinforcing bars that are applied well or on the inverted arch concrete that is being maintained and are difficult to clear up, and the conditions such as constructors that are being operated can appear to be injured by the smash.
The existing tunnel inverted arch trestle is various, the automatic trestle with complete functions is generated, but the automatic trestle is large in size and high in price, and particularly, the cost is high when a short tunnel and a tunnel group are constructed, so that a simple trestle protection device for the tunnel with low cost and easy use is needed.
Disclosure of Invention
The utility model aims to provide a tunnel trestle structure with self-protection property.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
a tunnel protective trestle structure comprises a first trestle and a second trestle; a protection mechanism is arranged between the first trestle and the second trestle;
the protection mechanism comprises a protection steel plate arranged between the first trestle and the second trestle.
The protection steel plate comprises a plurality of single steel plates, and adjacent single steel plates are sequentially distributed at intervals.
The single steel plate is connected with the first trestle through the rotating part, and the first trestle and the second trestle are distributed at intervals; a construction interval is formed between the first trestle and the second trestle; the width of each single steel plate is larger than the width of the construction interval.
The rotating part comprises a pin arranged on the first trestle, and a pin sleeve is arranged on the single steel plate; the single steel plate is sleeved on the pin through the pin sleeve.
The pin is connected with the first trestle through a connecting pin; the pin and the connecting pin are mutually perpendicular.
Each single steel plate is connected with the first trestle through two rotating parts.
The pin length is greater than the pin sleeve length.
One end of each single steel plate, which is far away from the rotating part, is provided with a lap joint groove.
The utility model has the advantages that:
the utility model discloses a tunnel protective trestle structure, which can shield a construction interval between a first trestle and a second trestle by arranging a protective mechanism, has a good protective effect, can prevent slag stones on a transport vehicle from falling into the construction interval, and is equivalent to increasing the width of the trestle structure, so that constructors can conveniently pass the trestle.
Drawings
The contents of the drawings and the marks in the drawings of the present specification are briefly described as follows:
fig. 1 is a top view of a trestle before being connected to a steel plate.
Fig. 2 is a schematic view of the installation of a steel plate.
Fig. 3 is a schematic view of the steel plate after installation.
Fig. 4 is a schematic view of a steel plate.
Fig. 5 is a detailed view of the pin and the pin bore.
Fig. 6 is a schematic structural view of the first trestle when connected to the protection steel plate.
The labels in the above figures are:
1-first landing stage, 2-second landing stage, 3-protection steel sheet, 4-round pin cover, 5-connecting pin, 6-overlap joint recess.
Detailed Description
The following detailed description of the utility model refers to the accompanying drawings, which illustrate preferred embodiments of the utility model in further detail.
A tunnel protective trestle structure comprises a first trestle 1 and a second trestle 2; a protection mechanism is arranged between the first trestle 1 and the second trestle 2; the protection mechanism comprises a protection steel plate 3 arranged between the first trestle 1 and the second trestle 2; the utility model discloses a tunnel protective trestle structure, which can shield a construction interval between a first trestle 1 and a second trestle 2 by arranging a protective mechanism, has a good protective effect, can prevent slag stones on a transport vehicle from falling into the construction interval, and is equivalent to increasing the width of the trestle structure, so that constructors can conveniently pass the trestle.
The trestle structure disclosed by the utility model has a larger bearing area; make things convenient for constructor to pass through, the setting of protection steel sheet 3 plays fine guard action simultaneously for stop construction clearance, make things convenient for constructor to pass through from the landing stage below.
Further, in the present utility model, the protective steel plate 3 includes a plurality of single steel plates 31, and adjacent single steel plates 31 are sequentially spaced apart; according to the utility model, through the arrangement of the single steel plates 31, the protection steel plate 3 is composed of a plurality of single steel plates 31, so that the assembly of the protection steel plate 3 is convenient when the protection steel plate is used later; meanwhile, the assembling of the trestle structure during subsequent use is convenient.
Further, in the present utility model, the single steel plate 31 is connected to the first trestle 1 through a rotating portion, and the first trestle 1 and the second trestle 2 are distributed at intervals; a construction interval is formed between the first trestle 1 and the second trestle 2; the width of each single steel plate 31 is larger than the width of the construction interval; according to the utility model, through the design, the single steel plate 31 is equivalent to being lapped between the first trestle 1 and the second trestle 2, so that the area of the trestle structure is increased to a certain extent, the passage of vehicles is facilitated, and the passage of constructors from the lower part of the trestle is also facilitated.
Further, in the present utility model, the rotating part includes a pin 51 provided on the first trestle 1, and the single steel plate 31 is provided with a pin sleeve 4; the single steel plate 31 is sleeved on the pin 51 through the pin bush 4; according to the utility model, through the arrangement of the rotating part, the connection of the single steel plate 31 on the first trestle 1 is facilitated, and meanwhile, the arrangement of the rotating part facilitates the single steel plate 31 to rotate relative to the first trestle 1 and facilitates the single steel plate 31 to be lapped on the second trestle 2.
Further, in the present utility model, the pin 51 is connected to the first trestle 1 through the connecting pin 51; the pin 51 and the connecting pin 51 are arranged perpendicular to each other; the connecting pin 51 plays a good bridging role, so that the arrangement of the pin 51 on the first trestle 1 is facilitated, and meanwhile, the connecting pin 51 is arranged; the distance between the pin 51 and the first trestle 1 is increased transversely, so that a space is reserved between the pin 51 and the first trestle 1, and the pin bush 4 is conveniently sleeved on the pin 51 during subsequent use.
Further, in the present utility model, each single steel plate 31 is connected to the first trestle 1 through two rotating parts; by means of the arrangement, the stability of connection between the single steel plate 31 and the first trestle 1 can be guaranteed, and meanwhile the connection strength between the single steel plate 31 and the first trestle 1 is increased.
Further, in the present utility model, the length of the pin 51 is longer than the length of the pin sleeve 4; by means of the arrangement, the difficulty that the pin bush 4 is separated from the pin 51 is increased, and then the stability of connection of the supporting steel plate and the first trestle 1 is better guaranteed.
Further, in the present utility model, an overlap groove 6 is provided at one end of each individual steel plate 31 away from the rotating part; according to the utility model, through the arrangement of the lap joint groove 6, the single steel plate 31 is conveniently lapped on the second trestle 2, and the movement or shaking of the single steel plate 31 is well avoided.
Specifically:
the utility model discloses a tunnel protective trestle structure; the main objective is to provide collapsible to landing stage structure that has self-protection ability aims at avoiding mechanical equipment such as go out dregs car, excavator and drop to below inverted arch construction, maintenance region through inverted arch landing stage, causes the influence to inverted arch structure, avoids personnel to walk simultaneously and drops, the stone sediment drops and smashes potential safety hazards such as injuring below operating personnel, guarantees the work efficiency and the safety of tunnel inverted arch construction when reduce cost.
The utility model discloses a trestle structure, which mainly comprises a first trestle 1 and a second trestle 2, wherein the first trestle 1 and the second trestle 2 are of an existing trestle structure, specific structures are not repeated here, in addition, a protection mechanism is arranged between the first trestle 1 and the second trestle 2, the protection mechanism mainly comprises a protection steel plate 3, the protection steel plate 3 is connected to the first trestle 1 through a rotating part, and the other end of the protection steel plate 3 is lapped on the second trestle 2.
The protection steel plate 3 comprises a plurality of single steel plates 31, wherein each single steel plate 31 is a rectangular steel plate, the length is 1-2 m, and the width is slightly larger than the construction interval between the first trestle 1 and the second trestle 2; in addition, in the concrete implementation, the protection steel plates 3 are required to be arranged on the bridge decks of the first trestle 1 and the second trestle 2, and no climbing sections of the first trestle 1 and the second trestle 2 are required to be arranged.
In the utility model, each pin bush 4 is provided with a corresponding single steel plate 31 close to one side of the first trestle 1, each steel plate is at least provided with two pin bushes 4, the specific number is determined according to the length of the steel plate, the length of each pin bush 4 is not less than 10cm, and the distance between the two outermost pin bushes 4 and the two ends of the steel plate is not more than 15cm.
In addition, in the utility model, the pin 51 and the connecting pin 51 form an L-shaped structure, one end of the connecting pin 51 is welded on the first trestle 1 in practical implementation, the other end is connected with the pin bush 4, the pin bush 4 corresponds to the pin 51 one by one, and the length of the pin 51 needs to be longer than that of the pin bush 4.
Specifically, the trestle structure of the utility model is specifically arranged and used in the following method:
before the trestle is used, the pin 51 is welded on the first trestle 1 in advance, the single steel plate 31 welded with the pin bush 4 is hinged with the pin 51, and the steel plate can rotate along the pin 51;
moving the first trestle 1 with the steel plates mounted to an inverted arch construction operation area, moving the second trestle 2 on the other side to a corresponding area, and rotating the corresponding single steel plates 31 to enable the single steel plates to be lapped on the trestle;
the vehicle and other mechanical equipment are used for tunnel construction;
after the tunnel section is constructed, the steel plate is rotated to be in overlap joint with trestle, the trestle at two sides is respectively moved to the next circular inverted arch construction area, and the steps are repeated;
after the tunnel construction is completed, the single steel plate 31 is detached, and the single steel plate 31 can be reused.
Compared with the prior art, the utility model has the beneficial effects that:
the single steel plate 31 is used as a bottom of a trestle, so that slag soil and stones can be effectively prevented from falling into an inverted arch construction area when vehicles and other mechanical equipment pass through, the inverted arch construction quality is improved, and manpower and material resources required for cleaning the inverted arch slag soil are avoided;
the light in the tunnel is dim, the sight of constructors is blocked, and no gap exists between trestle bridges, so that the possibility that constructors fall down when passing through trestle bridges can be reduced;
the possibility that stone slag falls and smashes the inverted arch operators below the trestle when the vehicle passes through is eliminated, the inverted arch operators do not need to stop and avoid when the vehicle passes through, and the construction efficiency and the construction safety can be improved;
the adopted protecting device has the advantages of simple structure, convenient operation, low cost and recycling and reuse, and is very suitable for short tunnels and tunnel group construction.
It is obvious that the specific implementation of the present utility model is not limited by the above-mentioned modes, and that it is within the scope of protection of the present utility model only to adopt various insubstantial modifications made by the method conception and technical scheme of the present utility model.
Claims (6)
1. The tunnel protective trestle structure is characterized by comprising a first trestle and a second trestle; a protection mechanism is arranged between the first trestle and the second trestle;
the protection mechanism comprises a protection steel plate arranged between the first trestle and the second trestle;
the protective steel plates comprise a plurality of single steel plates, and adjacent single steel plates are sequentially distributed at intervals;
the single steel plate is connected with the first trestle through the rotating part, and the first trestle and the second trestle are distributed at intervals; a construction interval is formed between the first trestle and the second trestle; the width of each single steel plate is larger than the width of the construction interval.
2. The tunnel protective trestle structure according to claim 1, wherein said rotating portion comprises a pin provided on a first trestle, and said single steel plate is provided with a pin bush; the single steel plate is sleeved on the pin through the pin sleeve.
3. The tunnel protective trestle structure according to claim 2, characterized in that said pin is connected to the first trestle by a connecting pin; the pin and the connecting pin are mutually perpendicular.
4. The tunnel protective trestle structure according to claim 1, wherein each individual steel plate is connected to the first trestle by two rotating portions.
5. The tunnel protection bridge structure of claim 2, wherein the pin length is greater than the pin sleeve length.
6. The tunnel protective trestle structure according to claim 2, wherein an overlap groove is formed in one end of each single steel plate away from the rotating portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320560519.XU CN220468598U (en) | 2023-03-21 | 2023-03-21 | Tunnel protective trestle structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320560519.XU CN220468598U (en) | 2023-03-21 | 2023-03-21 | Tunnel protective trestle structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220468598U true CN220468598U (en) | 2024-02-09 |
Family
ID=89799710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320560519.XU Active CN220468598U (en) | 2023-03-21 | 2023-03-21 | Tunnel protective trestle structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220468598U (en) |
-
2023
- 2023-03-21 CN CN202320560519.XU patent/CN220468598U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |