CN220769472U - Excavation scaffold for tunnel blasting - Google Patents
Excavation scaffold for tunnel blasting Download PDFInfo
- Publication number
- CN220769472U CN220769472U CN202322464170.2U CN202322464170U CN220769472U CN 220769472 U CN220769472 U CN 220769472U CN 202322464170 U CN202322464170 U CN 202322464170U CN 220769472 U CN220769472 U CN 220769472U
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- CN
- China
- Prior art keywords
- slide
- rod
- sliding
- hole
- connecting piece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000009412 basement excavation Methods 0.000 title claims abstract description 17
- 238000005422 blasting Methods 0.000 title claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Abstract
The utility model discloses an excavation construction frame for tunnel blasting, which comprises a frame, wherein the frame comprises a six-way connecting piece, a vertical supporting rod, a horizontal supporting rod, a sliding rod and a diagonal supporting rod, the vertical supporting rod, the horizontal supporting rod and the sliding rod are respectively arranged in a vertical through hole of the six-way connecting piece, a horizontal left end through hole and a horizontal right end through hole and a horizontal front end through hole and a horizontal rear end through hole, two pairs of sliding drums are sleeved outside the sliding rod, a pair of sliding drums at two ends are fixedly arranged on the sliding rod tightly attached to the wall surface of the six-way connecting piece, and a central pair of sliding drums are movably arranged on the sliding rod.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to an excavation construction frame for tunnel blasting.
Background
In the tunnel construction process, the method is often required to be applied to a tunnel construction frame, and the tunnel construction frame is used for supporting the inner wall of a tunnel or connecting other supporting steel frames.
Currently, in order to provide a safe aerial work platform for construction workers, criss-cross steel pipes are required to be connected into various forms of safe work frames by fasteners, but the fasteners (particularly the screws thereof) are easy to lose, and the connection quality of the fastener nodes is obviously affected by the quality of the fasteners and the operation of workers.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an excavation construction frame for tunnel blasting, which solves the problems in the prior art.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a tunnel blasting is with excavation scaffold, includes the frame, the frame includes six-way connecting piece, vertical bracing piece, horizontal bracing piece, slide bar and diagonal bracing piece, the vertical bracing piece the horizontal bracing piece with the slide bar install respectively in the vertical direction through-hole of six-way connecting piece, in the horizontal direction left and right sides end through-hole and in the horizontal direction front and back end through-hole, the slide bar overcoat is equipped with two pairs of smooth drums, a pair of both ends smooth drum fixed mounting in hugging closely six-way connecting piece wall the slide bar is last, central a pair of smooth drum activity in on the slide bar, a pair of diagonal bracing piece's bottom adopts fixing bolt to install respectively on the smooth drum that the slide bar both ends are fixed, a pair of diagonal bracing piece is crossed the back top respectively adopts fixing bolt installs in last layer slide bar central authorities are movable a pair of smooth drum.
Preferably, the vertical support rod, the horizontal support rod and the sliding rod are all in cylindrical steel pipe structures, two ends of the vertical support rod, the horizontal support rod and the sliding rod are all screwed in the through hole of the six-way connecting piece in a threaded fit mode, and the inner diameter of the sliding cylinder is equal to the outer diameter of the sliding rod.
Preferably, the inclined support rod adopts a hollow square steel structure with a rectangular section, and the fixing bolt penetrates through the wall surface of the inclined support rod and is screwed on the sliding cylinder.
Preferably, the sliding cylinder is rotatably connected with the fixing bolt in the direction of the other side of the inclined supporting rod, and the fixing bolt penetrates through the surface of the sliding cylinder wall to be in contact with the sliding rod.
Preferably, the sliding barrels fixedly arranged at the two ends of the sliding rod are fixed in a welding mode.
Preferably, the sliding barrels are not mounted at the two ends of the topmost sliding rod.
Preferably, the bottom layer of the through hole vertically downward of the six-way connecting piece is internally provided with a self-locking universal wheel.
Advantageous effects
The utility model provides an excavation construction frame for tunnel blasting, which has the following beneficial effects: the device has the advantages of simple structure, folding and storing when not in use, convenient installation while saving space, stretching of the sliding rod when in installation, fixing through the screwing of the vertical supporting rod and the horizontal supporting rod, difficulty in losing parts, simple operation, stable connection quality and convenient installation of workers.
Drawings
Fig. 1 is a schematic structural view of an excavation construction frame for tunnel blasting according to the present utility model.
In the figure: 1. a six-way connecting piece; 2. a vertical support bar; 3. a horizontal support bar; 4. a slide bar; 5. a slide cylinder; 6. a slide cylinder fixing bolt; 7. a diagonal support bar; 8. and fixing bolts for the inclined support rods.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical scheme of an excavation construction frame for tunnel blasting, which comprises: the utility model provides a tunnel blasting is with excavation scaffold, includes the frame, the frame includes six-way connecting piece 1, vertical support pole 2, horizontal support pole 3, slide bar 4 and diagonal brace 7, vertical support pole 2 horizontal support pole 3 with slide bar 4 install respectively in six-way connecting piece 1's vertical direction through-hole, horizontal direction left and right ends through-hole and horizontal direction front and back end through-hole, slide bar 4 overcoat is equipped with two pairs of slide drums 5, a pair of both ends slide drum 5 fixed mounting in hugs closely on the slide bar 4 of six-way connecting piece 1 wall, central a pair of slide drum 5 activity in on the slide bar 4, a pair of diagonal brace 7's bottom adopts fixing bolt 6 to install respectively the slide bar 4 both ends are fixed on the slide drum 5, a pair of diagonal brace 7 is crossed the back top respectively adopted fixing bolt 6 installs in last layer slide bar 4 central authorities move a pair of slide drum 5.
Furthermore, the vertical support rod 2, the horizontal support rod 3 and the slide rod 4 are all in cylindrical steel pipe structures, two ends of the vertical support rod 2, the horizontal support rod 3 and the slide rod 4 are all screwed in the through hole of the six-way connecting piece 1 in a threaded fit mode, and the inner diameter of the slide cylinder 5 is equal to the outer diameter of the slide rod 4.
Furthermore, the inclined support rod 7 adopts a hollow square steel structure with a rectangular section, and the fixing bolt 6 penetrates through the wall surface of the inclined support rod 7 and is then screwed on the sliding cylinder 5.
Further, the sliding cylinder 5 is screwed with the fixing bolt 6 at the other side direction of the diagonal support rod 7, and the fixing bolt 6 passes through the wall surface of the sliding cylinder 5 to be in contact with the sliding rod 4.
Furthermore, the sliding drums 5 fixedly mounted at the two ends of the sliding rod 4 are fixed in a welding mode.
Further, the sliding cylinders 5 are not installed at the two ends of the sliding rod 4 at the topmost layer.
Further, a self-locking universal wheel is inserted in the vertically downward through hole of the six-way connecting piece 1 at the bottommost layer.
Examples: before the device is used, a plurality of sliding rods 4 are in a folding state, and the sliding rods 4 are folded together for storage through movable sliding cylinders 5 and movable connection between the sliding cylinders 5 and the inclined supporting rods 7.
When the sliding rod fixing device is used, the six-way connecting piece 1 is arranged at the two ends of the sliding rod 4, the sliding rods 4 are lifted layer by layer from top to bottom, after each layer is lifted to a certain height, the vertical supporting rods 2 are screwed in the vertical through holes of the six-way connecting piece 1, the sliding rods 4 are fixed in the vertical direction, and the horizontal supporting rods 3 are used for connecting and fixing the sliding rods 4 of a plurality of groups according to requirements.
After the whole frame is completed, the fixing bolts 6 at all positions are screwed and fixed, the sliding cylinder 5 is fixed on the sliding rod 4 after the fixing bolts 6 on the sliding cylinder 5 are screwed, and the angle between the inclined support rod 7 and the sliding cylinder 5 is fixed after the fixing bolts 6 on the inclined support rod 7 are screwed, so that the frame is supported.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Claims (7)
1. The utility model provides a tunnel blasting is with excavation scaffold, includes the frame, its characterized in that, the frame includes six-way connecting piece (1), vertical support pole (2), horizontal support pole (3), slide bar (4) and diagonal bracing pole (7), vertical support pole (2) horizontal support pole (3) with slide bar (4) install respectively in the vertical direction through-hole of six-way connecting piece (1), in horizontal direction left and right sides end through-hole and horizontal direction front and back end through-hole, slide bar (4) overcoat is equipped with two pairs of slide drums (5), a pair of slide drum (5) fixed mounting at both ends in hugging closely on slide bar (4) of six-way connecting piece (1) wall, a pair of in the center slide drum (5) activity in on slide bar (4), a pair of diagonal bracing pole (7) bottom adoption fixing bolt (6) are installed respectively slide drum (5) both ends are fixed, a pair of diagonal bracing pole (7) are crossed the back top respectively adopt fixing bolt (6) install on a pair of slide bar (4) on the activity slide bar (5).
2. The tunnel blasting excavation construction frame according to claim 1, wherein the vertical support rod (2), the horizontal support rod (3) and the sliding rod (4) are of cylindrical steel pipe structures, two ends of the vertical support rod, the horizontal support rod and the sliding rod (4) are screwed into the through hole of the six-way connecting piece (1) in a threaded fit mode, and the inner diameter of the sliding cylinder (5) is equal to the outer diameter of the sliding rod (4).
3. The tunnel blasting excavation construction frame according to claim 1, wherein the inclined support rod (7) adopts a hollow square steel structure with a rectangular cross section, and the fixing bolt (6) penetrates through the wall surface of the inclined support rod (7) and is then screwed on the sliding cylinder (5).
4. The tunnel blasting excavation construction frame according to claim 1, wherein the slide cylinder (5) is screwed with the fixing bolt (6) in the other side direction of the diagonal support rod (7), and the fixing bolt (6) passes through the wall surface of the slide cylinder (5) to be in contact with the slide rod (4).
5. The tunnel blasting excavation construction frame according to claim 1, wherein the slide barrels (5) fixedly mounted at two ends of the slide rod (4) are fixed in a welding manner.
6. An excavation construction frame for tunnel blasting according to claim 1, wherein the slide bars (4) at the topmost layer are not provided with the slide drums (5) at both ends.
7. The tunnel blasting excavation construction frame according to claim 1, wherein the six-way connecting piece (1) at the bottommost layer is inserted with a self-locking universal wheel in a vertically downward through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464170.2U CN220769472U (en) | 2023-09-12 | 2023-09-12 | Excavation scaffold for tunnel blasting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322464170.2U CN220769472U (en) | 2023-09-12 | 2023-09-12 | Excavation scaffold for tunnel blasting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769472U true CN220769472U (en) | 2024-04-12 |
Family
ID=90620657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322464170.2U Active CN220769472U (en) | 2023-09-12 | 2023-09-12 | Excavation scaffold for tunnel blasting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769472U (en) |
-
2023
- 2023-09-12 CN CN202322464170.2U patent/CN220769472U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |