CN209195452U - Lock foot anchor tube and steel arch holder connection device in tunnel - Google Patents
Lock foot anchor tube and steel arch holder connection device in tunnel Download PDFInfo
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- CN209195452U CN209195452U CN201822052396.0U CN201822052396U CN209195452U CN 209195452 U CN209195452 U CN 209195452U CN 201822052396 U CN201822052396 U CN 201822052396U CN 209195452 U CN209195452 U CN 209195452U
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- anchor tube
- lock foot
- steel arch
- steel
- foot anchor
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Abstract
The utility model discloses a kind of tunnel lock foot anchor tube and steel arch holder connection devices, the lock foot anchor tube in country rock is squeezed into including steel arch-shelf and by design angle, fixed plate is welded on the steel arch-shelf, the fixed plate lower part is provided with the U-shaped card slot for stuck lock foot anchor tube；The utility model in fixed plate by being provided with U-shaped card slot, after lock foot anchor tube is squeezed into country rock by design angle, it is blocked using U-shaped card slot, U-shaped card slot and the I-steel on steel arch-shelf are effectively welded as a whole again, it avoids causing the damage to lock foot anchor tube tube wall because of welding, and then influences the using effect of lock foot anchor tube.
Description
Technical field
The utility model belongs to the technical field of fixation or the positioning for workpiece, is specifically related to a kind of tunnel lock foot anchor
Pipe and steel arch holder connection device.
Background technique
With the continuous expansion of the quantity and scale of China's Tunnel Engineering, tunnel more and more passes through weak surrounding rock.?
When carrying out constructing tunnel in weak surrounding rock, in order to improve supporting intensity and guarantee its stability, often in the I-shaped steel feet of steel arch-shelf
A certain number of lock foot anchoring stocks (pipe) are arranged in portion, to control Tunnel sedimentation.
However, the setting of lock foot anchoring stock (pipe) is more random at present in practice of construction, mostly by site operation personnel's
Experience, cause applied lock foot anchoring stock (pipe) squeeze into length, squeeze into angle and set height etc. many aspects be difficult to meet
Design requirement eventually leads to preliminary bracing sedimentation and is difficult to be effectively controlled；In order to solve this problem, most of prior art
It is that a straight dowel will weld together steel arch-shelf and lock foot anchor tube；The shortcomings that this linking method is dowel and lock
Foot anchor tube contact area is small, and since lock foot anchor tube wall is than relatively thin, is easy in welding breakdown.In this case, work as arch
After foot stress, the weld of link bar and lock foot anchor tube is easily broken, and anastomosis is caused to fail, and causes arch deformation under
Heavy hidden danger.
Chinese utility model patent (application number: 201620765144.0, patent name: a kind of tunnel lock foot anchoring stock/pipe with
Supporting steelframe connecting elements) provide it is a kind of by the component with positioning function, by the way that angle steel is welded on I-steel web
Realize positioning.
Chinese utility model patent (application number: 201220223272.4, patent name: tunnel weakness, loess country rock steel arch
Frame lock foot anchor tube reinforces attachment device) it provides a kind of principle and simply locks foot anchor tube positioning device, it is characterised in that it will position
Steel plate is welded on the outside of steel arch-shelf, realizes positioning by reserved location hole.
Chinese utility model patent (application number: 201520644318.3, a kind of patent name: Tunnel steel arch
Frame lock foot anchoring stock anchor pad box) a kind of anchor pad box of the lock foot anchoring stock with positioning function is provided, by three pieces of steel plate welding
At.The principle of device is simple, operates easy.
Three above patent all has the disadvantage in that single positioning member is all welded on steel arch-shelf foot, in longer lines
Due to that cannot recycle in middle application, causes the workload of single loop section to increase, promote higher cost.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of tunnel lock foot anchor tube and steel arch holder connection device, it should
Foot anchor tube and steel arch holder connection device are locked by being provided with U-shaped card slot in fixed plate in tunnel, and lock foot anchor tube is pressed design angle
After squeezing into country rock, blocked using U-shaped card slot, then U-shaped card slot and the I-steel on steel arch-shelf be effectively welded as a whole, avoid because
The damage to lock foot anchor tube tube wall is caused for welding, and then influences the using effect of lock foot anchor tube.
In order to achieve the above object, a kind of tunnel lock foot anchor tube of the utility model and steel arch holder connection device, including steel arch
Frame and the lock foot anchor tube in country rock is squeezed by design angle, fixed plate is welded on the steel arch-shelf, the fixed plate lower part is set
It is equipped with the U-shaped card slot for stuck lock foot anchor tube.
Further, welding is provided between the bottom sidewall of the fixed plate and the side-walls and steel arch-shelf of close bottom
Portion.
Further, the second welding is provided at the fixed plate is located at the top of U-shaped card slot arc and between lock foot anchor tube
Portion.
Further, lock foot anchor tube end extends to lower part at steel arch-shelf and is lined with spacer bar.
Further, the spacer bar other end is welded on steel arch-shelf.
It further, further include the locating clip being arranged on steel arch-shelf I-steel or channel steel, the locating clip includes and consolidates
Pressure of the backboard top for fixing at the top of fixed plate is arranged in the close and backboard for being positioned to fixed plate side of fixed board
Block and backboard lower part is set for fixing the cushion block of fixed plate bottom.
Further, the briquetting end is provided with threaded hole, and the threaded hole, which is connected with, to be used to support in I-steel or slot
The fixing bolt of steel upper surface, the briquetting are set as a pair of and along backboard center line symmetrical settings.
Further, the briquetting is set as arcuate structure.
Further, the cushion block end extends to I-steel or channel steel bottom and is used to support at I-steel or channel steel bottom
Portion, the cushion block are provided with threaded hole I at backboard, are provided with the adjustment for being connected to fixed plate bottom in the threaded hole I
Bolt.
The utility model has the beneficial effects that:
1, the utility model tunnel lock foot anchor tube and steel arch holder connection device by being provided with U-shaped card slot in fixed plate,
It will be blocked using U-shaped card slot after lock foot anchor tube squeezes into country rock by design angle, then by the I-steel on U-shaped card slot and steel arch-shelf
It is effectively welded as a whole, avoids causing the damage to lock foot anchor tube tube wall because of welding, and then influence the use of lock foot anchor tube
Effect；
2, the utility model tunnel lock foot anchor tube and steel arch holder connection device can be such that lock foot anchor tube squeezes by design angle
Country rock reaches accurate positioning；
3, the utility model tunnel lock foot anchor tube and steel arch holder connection device can enable lock foot anchor tube and steel arch-shelf have
Effect is connected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that foot anchor tube and steel arch holder connection device are locked in the utility model tunnel；
Fig. 2 is the structural representation for the another embodiment that foot anchor tube and steel arch holder connection device are locked in the utility model tunnel
Figure；
Fig. 3 is the top view that foot anchor tube and steel arch holder connection device are locked in the utility model tunnel；
Fig. 4 is the main view that U-shaped board in foot anchor tube and steel arch holder connection device is locked in the utility model tunnel；
Fig. 5 is the main view that locating clip in foot anchor tube and steel arch holder connection device is locked in the utility model tunnel.
Appended drawing reference: 1- steel arch-shelf；2- locks foot anchor tube；3- fixed plate；4- locating clip；5- fixing bolt；6- weld part；7-
Second weld part；8- spacer bar；9- adjustment bolt；10- threaded hole；11- briquetting；12- cushion block；13- backboard；14- link block；
15- threaded hole I.
Specific embodiment
Below in conjunction with attached drawing, the preferred embodiment of the utility model is described in detail.
The structural schematic diagram of foot anchor tube and steel arch holder connection device, this reality are locked for the utility model tunnel as shown in Figs. 1-5
With a kind of novel tunnel lock foot anchor tube and steel arch holder connection device, the lock in country rock is squeezed into including steel arch-shelf 1 and by design angle
Foot anchor tube 2 is welded with fixed plate 3 on the steel arch-shelf 1, and 3 lower part of fixed plate is provided with for the U-shaped of stuck lock foot anchor tube
Card slot, the present apparatus are the U-shaped card slots being process using the steel plate of 10mm thickness, after lock foot anchor tube is squeezed into country rock by design angle
It is blocked using U-shaped card slot, then U-shaped card slot and the I-steel on steel arch-shelf is effectively welded as a whole, reaching lock foot anchor tube can
The purpose of effective constraint arch deformation and sinking.
Further, it is all provided between the bottom sidewall of the preferred fixed plate 3 and the side-walls and steel arch-shelf of close bottom
It is equipped with weld part 6, which quick and convenient can be welded on fixed plate on steel arch-shelf 1.
Further, it at the preferred fixed plate 3 is located at the top of U-shaped card slot arc and locks and is provided with the between foot anchor tube
Two weld parts 7, the present embodiment can be provided in order to avoid sliding between lock foot anchor tube and U-shaped card slot in U-shaped card slot
Anti-skid chequer can also use being fixed for welding manner, in order to reduce processing cost, it is preferred to use carrying out for welding manner is solid
It is fixed.
Further, preferred 2 end of lock foot anchor tube extends to lower part at steel arch-shelf and is lined with spacer bar 8, the structure
Be conducive to be supported and keep to by the lock foot anchor tube of design angle squeezed into country rock, reach accurate positioning, avoid influencing
Lock the using effect of foot anchor tube.
Further, preferred 8 other end of spacer bar is welded on steel arch-shelf 1, the structure be conducive to it is easy to operate,
The bonding strength of lock foot anchor tube 2 is improved, which enables lock foot anchor tube to be effectively connected with steel arch-shelf.
Including steel arch-shelf 1, the lock foot anchor 2 squeezed into country rock by design angle pipe and for being welded on steel arch-shelf 1 and lock foot
Fixed plate 3 between anchor tube 2 further includes the locating clip 4 being detachably connected on 1 I-steel of steel arch-shelf or channel steel, the positioning
Folder 4 includes backboard 13 that is close with fixed plate 3 and being used to position fixed plate side, is arranged on 13 top of backboard for solid
Determine the briquetting 11 at 3 top of fixed plate and 13 lower part of backboard is set for fixing the cushion block 12 of fixed plate bottom.
The present embodiment, using 3 stuck lock foot anchor tube 2 of fixed plate, passes through after lock foot anchor tube squeezes into country rock by design angle
It is provided with locating clip on steel arch-shelf, fixed plate side is positioned using locating clip backboard 13, utilizes 11 pairs of fixations of briquetting
It is positioned at the top of plate 3,3 bottom of fixed plate is positioned using cushion block 12, positions fixed plate according to predeterminated position,
The side wall of fixed plate 3 and steel arch-shelf I-steel or channel steel end edge junction are welded using welding gun, by 3 He of fixed plate
Lock foot anchor tube 2 is welded, and the I-steel locked on foot anchor tube 2, fixed plate and steel arch-shelf or channel steel is effectively welded as a whole, no
It only can be improved welding quality, and can guarantee that squeezing into lock foot anchor tube after country rock by design angle reaches pinpoint mesh
's.
Further, preferred 11 end of briquetting is provided with threaded hole 10, and the threaded hole 10, which is connected with, to be used to support
Fixing bolt 5 in I-steel or channel steel upper surface, the present embodiment make fixing clamp be fixed on I-steel or slot by fixing bolt 5
On steel, convenient disassembly.
Further, the preferred briquetting 11 is set as a pair of and along backboard center line symmetrical setting, which is conducive to
Briquetting is compressed, welding is facilitated.
Further, the preferred briquetting 11 is set as arcuate structure, which is conducive to expand welding operating space.
Further, preferred 12 end of cushion block extend to I-steel or channel steel bottom and be used to support in I-steel or
Channel steel bottom, the cushion block 12 are provided with threaded hole I15 at backboard, are provided in the threaded hole I15 and are connected to fixation
The adjustment bolt 9 of 3 bottom of plate, the structure is convenient by adjusting bolt 9, facilitates the upper and lower position of adjustment fixed plate, to fixed plate
It is compressed.
Further, the preferred cushion block 12 is set as a pair of and under backboard center line symmetrical setting, the backboard 13
Portion is set as a pair of link block 14 connecting respectively with cushion block 12, which is conducive to weld connecting plate bottom, utilizes
Link block is conducive to expand welding operating space, and the preferred backboard 13, briquetting 11, link block 12 and cushion block 14 are set as one
Body formed body, the structure advantageously reduce cost.
Finally, it is stated that preferred embodiment above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, to the greatest extent
Pipe has been described in detail the utility model by above preferred embodiment, but those skilled in the art should manage
Solution, can make various changes, without departing from the utility model claims book institute to it in the form and details
The range of restriction.
Claims (9)
1. a kind of tunnel lock foot anchor tube and steel arch holder connection device, the lock foot in country rock is squeezed into including steel arch-shelf and by design angle
Anchor tube, it is characterised in that: fixed plate is welded on the steel arch-shelf, the fixed plate lower part is provided with for stuck lock foot anchor tube
U-shaped card slot.
2. tunnel lock foot anchor tube as described in claim 1 and steel arch holder connection device, it is characterised in that: the bottom of the fixed plate
Weld part is provided between portion's side wall and the side-walls and steel arch-shelf of close bottom.
3. tunnel lock foot anchor tube as described in claim 1 and steel arch holder connection device, it is characterised in that: the fixed plate is located at
The second weld part is provided at the top of U-shaped card slot arc and between lock foot anchor tube.
4. tunnel lock foot anchor tube as claimed in any one of claims 1 to 3 and steel arch holder connection device, it is characterised in that: described
Lock foot anchor tube end extends to lower part at steel arch-shelf and is lined with spacer bar.
5. tunnel lock foot anchor tube as claimed in claim 4 and steel arch holder connection device, it is characterised in that: the spacer bar is another
One end is welded on steel arch-shelf.
6. tunnel as claimed in claim 4 lock foot anchor tube and steel arch holder connection device, it is characterised in that: further include setting
Locating clip on steel arch-shelf I-steel or channel steel, the locating clip include with fixed plate close to and for the progress of fixed plate side
Backboard top is arranged in for fixing the briquetting at the top of fixed plate and being arranged in backboard lower part for fixed in the backboard of positioning
The cushion block in board bottom portion.
7. tunnel lock foot anchor tube as claimed in claim 6 and steel arch holder connection device, it is characterised in that: the briquetting end is set
It is equipped with threaded hole, the threaded hole is connected with the fixing bolt being used to support in I-steel or channel steel upper surface, and the briquetting is set
It is set to a pair and along backboard center line symmetrical setting.
8. tunnel lock foot anchor tube as claimed in claim 6 and steel arch holder connection device, it is characterised in that: the briquetting is set as
Arcuate structure.
9. tunnel lock foot anchor tube as claimed in claim 6 and steel arch holder connection device, it is characterised in that: prolong the cushion block end
It extends to I-steel or channel steel bottom and is used to support in I-steel or channel steel bottom, the cushion block is provided with screw thread at backboard
The adjustment bolt for being connected to fixed plate bottom is provided in hole I, the threaded hole I.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822052396.0U CN209195452U (en) | 2018-12-07 | 2018-12-07 | Lock foot anchor tube and steel arch holder connection device in tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822052396.0U CN209195452U (en) | 2018-12-07 | 2018-12-07 | Lock foot anchor tube and steel arch holder connection device in tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209195452U true CN209195452U (en) | 2019-08-02 |
Family
ID=67428096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822052396.0U Active CN209195452U (en) | 2018-12-07 | 2018-12-07 | Lock foot anchor tube and steel arch holder connection device in tunnel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209195452U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901077A (en) * | 2021-05-06 | 2021-06-04 | 中铁九局集团第七工程有限公司 | Positioning device and positioning method for tunnel primary support steel arch anchor rod drilling |
-
2018
- 2018-12-07 CN CN201822052396.0U patent/CN209195452U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901077A (en) * | 2021-05-06 | 2021-06-04 | 中铁九局集团第七工程有限公司 | Positioning device and positioning method for tunnel primary support steel arch anchor rod drilling |
| CN112901077B (en) * | 2021-05-06 | 2021-07-06 | 中铁九局集团第七工程有限公司 | Positioning device and positioning method for tunnel primary support steel arch anchor rod drilling |
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