CN215520923U - Tunnel construction safety support frame - Google Patents
Tunnel construction safety support frame Download PDFInfo
- Publication number
- CN215520923U CN215520923U CN202122019143.5U CN202122019143U CN215520923U CN 215520923 U CN215520923 U CN 215520923U CN 202122019143 U CN202122019143 U CN 202122019143U CN 215520923 U CN215520923 U CN 215520923U
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- Prior art keywords
- tunnel
- block
- supporting
- support
- construction safety
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- 238000010276 construction Methods 0.000 title claims abstract description 15
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a tunnel construction safety support frame and relates to the technical field of tunnel construction. The tunnel supporting frame comprises a T-shaped support, wherein three free ends of the T-shaped support are all sleeved with outer rods which slide along the length direction of the T-shaped support, the outer rods and the T-shaped support are fixed through bolts, the three free ends of the outer rods are commonly connected with a connecting plate for supporting the top surface of a tunnel, the bottom surface of the T-shaped support is provided with a connecting block, and supporting pieces for supporting two sides of the tunnel are connected onto the connecting block. According to the utility model, the cambered surface of the tunnel is supported by the connecting plate, and the shape of the connecting plate is changed by sliding the outer rod, so that the connecting plate can be suitable for tunnels of various specifications, and the practicability of the support frame is improved; meanwhile, the two sides of the tunnel are supported by the supporting pieces, so that the space below the tunnel is saved, and convenience is brought to constructors to work.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a tunnel construction safety support frame.
Background
The tunnel is a channel dug in an existing building or an earth-rock structure, is an engineering building buried in the ground and is a form of utilizing underground space by human beings. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel and a mine tunnel. In 1970, the international economic cooperation and development organization held a tunnel conference which integrates various factors, and the definition of the tunnel is as follows: "use, under the ground, any method of action stipulates the cross-sectional area of building greater than 2 square meters of shape and size to build.
In present tunnel work progress, in order to prevent that the tunnel from collapsing in the work progress in road tunnel, need use the support frame to support the tunnel, because the environment that each tunnel was located is different, its specification diverse, current support frame can't adjust according to the shape in tunnel however, needs the bracing piece to traverse to build on tunnel road surface, and the structure is complicated, and the process of building is loaded down with trivial details to the constructor can't normally walk in the tunnel, causes the accident to take place easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: in order to solve the problems in the background art, the utility model provides a tunnel construction safety support frame.
The utility model specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a tunnel construction safety support frame, includes T type support, the three free end of T type support all overlaps and is equipped with along its gliding outer pole of length direction, outer pole with fix through the bolt between the T type support, it is three outer pole free end is connected with the connecting plate that is used for supporting the tunnel top surface jointly, the connecting block is installed to the bottom surface of T type support, be connected with the support piece that is used for supporting the tunnel both sides on the connecting block.
Further, the connecting plate is including installing the support arc of outer pole free end, the support arc outside is provided with the contact arc of contradicting each other with the tunnel top surface, the contact arc with install a plurality of spring between the support arc.
Furthermore, vertical plates are arranged on the bottom surface of the supporting arc-shaped plate and positioned on two sides of the width direction of the supporting arc-shaped plate.
Further, the support piece comprises a bearing installed in the connecting block, a screw rod is arranged in the bearing, a fixed block is connected to the screw rod in a threaded manner, connecting rods are hinged to two sides of the fixed block, a pivoting block is hinged to the free end of each connecting rod, a moving block located below the fixed block is connected to the screw rod in a threaded manner, moving rods are hinged to two sides of the moving block, the free end of each moving rod is hinged to the pivoting block and coaxially rotates with the connecting rod, and a rotating handle is installed at one end, far away from the bearing, of the screw rod.
Further, a supporting plate is installed on the bottom surface of the pivoting block.
The utility model has the following beneficial effects:
according to the utility model, the cambered surface of the tunnel is supported by the connecting plate, and the shape of the connecting plate is changed by sliding the outer rod, so that the connecting plate can be suitable for tunnels of various specifications, and the practicability of the support frame is improved; meanwhile, the two sides of the tunnel are supported by the supporting pieces, so that the space below the tunnel is saved, and convenience is brought to constructors to work.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view structural diagram of the present invention;
FIG. 3 is a side view block diagram of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3 in accordance with the present invention;
reference numerals: 1. a T-shaped bracket; 2. an outer rod; 3. a bolt; 4. a connecting plate; 401. supporting the arc-shaped plate; 402. contacting the arc-shaped plate; 403. a spring; 5. connecting blocks; 6. a support member; 601. a fixed block; 602. a connecting rod; 603. a pivoting block; 604. a moving block; 605. a travel bar; 606. a screw; 607. a bearing; 7. a vertical plate; 8. turning a handle; 9. and a support plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when the products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, 2 and 4, a tunnel construction safety support frame comprises a T-shaped support 1, wherein three free ends of the T-shaped support 1 are all sleeved with outer rods 2 sliding along the length direction of the T-shaped support, the outer rods 2 and the T-shaped support 1 are fixed through bolts 3, the free ends of the three outer rods 2 are commonly connected with a connecting plate 4 for supporting the top surface of a tunnel, the bottom surface of the T-shaped support 1 is provided with a connecting block 5, and the connecting block 5 is connected with supporting pieces 6 for supporting two sides of the tunnel; in the embodiment, the connecting plate 4 has elasticity and can deform, and meanwhile, the connecting plate 4 is not easy to damage under the impact of a heavy object; because the triangle has stability, the support frame can be more stable by adopting the T-shaped support 1; three outer rods 2 arranged on the connecting plate 4 are respectively positioned at the two sides and the center of the connecting plate 4; specifically, a constructor firstly makes the connecting plate 4 contact the top surface of the tunnel, determines the highest point position of the tunnel, then makes the position of the center of the connecting plate 4 coincide with the highest point of the tunnel, then moves the two outer rods 2 arranged on the same horizontal plane of the T-shaped support 1 to force the connecting plate 4 to completely fit the cambered surface of the tunnel, screws the bolt 3 arranged between the T-shaped support 1 and the outer rods 2, and finally controls the support 6 to make the two ends of the support 6 mutually abut against the two sides of the tunnel, so that the support of the inner wall of the tunnel is realized, meanwhile, the space below the tunnel can be saved, and the constructor can conveniently walk, thereby facilitating the work; because the tunnel length is longer generally, can install the support frame array on the tunnel along the length direction of tunnel.
As shown in fig. 2 and 4, the connecting plate 4 includes a supporting arc plate 401 installed at the free end of the outer rod 2, a contact arc plate 402 abutting against the top surface of the tunnel is installed outside the supporting arc plate 401, and a plurality of springs 403 are installed between the contact arc plate 402 and the supporting arc plate 401; in this embodiment, the connecting plate 4 is composed of a supporting arc plate 401, a contact arc plate 402 and a spring 403, and the supporting arc plate 401 and the contact arc plate 402 are made of materials such as elastic iron sheets; in the work progress, because material such as tiny grit on vibrations lead to the tunnel top surface drops to contact arc 402 surface, under the effect of gravity, grit etc. can exert pressure to contact arc 402, produce vibrations, nevertheless be connected with spring 403 between contact arc 402 and support arc 401, and spring 403 can slow down the vibrations effect that grit etc. caused, avoids causing the damage to the support frame, increases the life of support frame.
As shown in fig. 1 and 3, vertical plates 7 are mounted on the bottom surface of the support arc plate 401 on both sides in the width direction thereof; in this embodiment, the vertical plate 7 is mounted on the support arc plate 401 to increase the contact area between the support frame and the tunnel, and the vertical plate 7 is mounted with a screw to be fixed on the inner wall of the tunnel, so as to increase the support effect of the support frame.
As shown in fig. 2 and 4, the supporting member 6 includes a bearing 607 installed in the connecting block 5, a screw 606 is installed in the bearing 607, a fixed block 601 is connected to the screw 606 in a threaded manner, both sides of the fixed block 601 are hinged to a connecting rod 602, a pivoting block 603 is hinged to a free end of the connecting rod 602, a moving block 604 located below the fixed block 601 is connected to the screw 606 in a threaded manner, both sides of the moving block 604 are hinged to a moving rod 605, and a free end of the moving rod 605 is hinged to the pivoting block 603 and rotates coaxially with the connecting rod 602; in this embodiment, the screw 606 penetrates through the two ends of the moving block 604 and the fixed block 601, the bearing 607 is sleeved at the top end of the screw 606, the bearing 607 is installed in the connecting block 5, when the constructor rotates the screw 606, the moving block 604 and the fixed block 601 which are in threaded connection with the screw 606 are close to or far away from each other according to the rotating direction of the screw 606, so that the angles of the connecting rod 602 hinged to the fixed block 601 and the moving rod 605 on the moving block 604 are changed, the free end of the connecting rod 602 and the free end of the moving rod 605 rotate coaxially and are hinged to the pivoting block 603, the position of the pivoting block 603 is changed, and finally the pivoting block 603 and the side wall of the tunnel are mutually abutted, so that the side surface of the tunnel is supported.
As shown in fig. 1 and 3, a rotating handle 8 is arranged at one end of the screw 606 far away from the bearing 607; in this embodiment, in order to facilitate the constructor to drive the screw rod 606 to rotate, the free end of the screw rod 606 is provided with the rotating handle 8, and the rotating handle 8 is rotated to drive the screw rod 606 to rotate.
As shown in fig. 1, a support plate 9 is mounted on the bottom surface of the pivot block 603; in this embodiment, in order to increase the stability and the security of support frame, at the bottom surface erection bracing board 9 of pivot piece 603, constructor can be according to the condition of job site, subaerial vertical steel pipe that sets up, makes steel pipe and backup pad 9 contradict each other.
Claims (6)
1. The utility model provides a tunnel construction safety support frame, its characterized in that, includes T type support (1), the three free end of T type support (1) all overlaps and is equipped with outer pole (2) of following its length direction gliding, outer pole (2) with fix through bolt (3) between T type support (1), it is three outer pole (2) free end is connected with connecting plate (4) that are used for supporting the tunnel top surface jointly, connecting block (5) are installed to the bottom surface of T type support (1), be connected with support piece (6) that are used for supporting the tunnel both sides on connecting block (5).
2. A tunnel construction safety bracing frame according to claim 1, characterized in that the connecting plate (4) comprises a supporting arc plate (401) installed at the free end of the outer rod (2), a contact arc plate (402) abutting against the top surface of the tunnel is arranged outside the supporting arc plate (401), and a plurality of springs (403) are installed between the contact arc plate (402) and the supporting arc plate (401).
3. The tunnel construction safety bracing frame according to claim 2, characterized in that vertical plates (7) are installed on the bottom surface of the bracing arc plate (401) and at both sides in the width direction thereof.
4. The tunnel construction safety bracing frame according to claim 1, characterized in that the supporting member (6) comprises a bearing (607) installed in the connecting block, a screw (606) is arranged in the bearing (607), a fixed block (601) is connected to the screw (606) in a threaded manner, connecting rods (602) are hinged to both sides of the fixed block (601), a pivoting block (603) is hinged to the free end of each connecting rod (602), a moving block (604) located below the fixed block (601) is connected to the screw (606) in a threaded manner, moving rods (605) are hinged to both sides of each moving block (604), and the free end of each moving rod (605) is hinged to the pivoting block (603) and rotates coaxially with the connecting rods (602).
5. A tunnel construction safety bracing frame according to claim 4, characterized in that the end of the screw (606) away from the bearing (607) is provided with a rotating handle (8).
6. A tunnel construction safety bracing frame according to claim 4, characterized in that the bottom surface of the pivot block (603) is provided with a support plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122019143.5U CN215520923U (en) | 2021-08-25 | 2021-08-25 | Tunnel construction safety support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122019143.5U CN215520923U (en) | 2021-08-25 | 2021-08-25 | Tunnel construction safety support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215520923U true CN215520923U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122019143.5U Expired - Fee Related CN215520923U (en) | 2021-08-25 | 2021-08-25 | Tunnel construction safety support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215520923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182761A (en) * | 2022-08-19 | 2022-10-14 | 中交四公局第五工程有限公司 | Supporting mechanism for laying tunnel top reinforcing plate and supporting method thereof |
-
2021
- 2021-08-25 CN CN202122019143.5U patent/CN215520923U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182761A (en) * | 2022-08-19 | 2022-10-14 | 中交四公局第五工程有限公司 | Supporting mechanism for laying tunnel top reinforcing plate and supporting method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |