CN207245725U - Tunnel steel fixer - Google Patents
Tunnel steel fixer Download PDFInfo
- Publication number
- CN207245725U CN207245725U CN201721211790.3U CN201721211790U CN207245725U CN 207245725 U CN207245725 U CN 207245725U CN 201721211790 U CN201721211790 U CN 201721211790U CN 207245725 U CN207245725 U CN 207245725U
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- CN
- China
- Prior art keywords
- main channel
- tunnel steel
- tunnel
- steel fixer
- scale
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- Expired - Fee Related
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- Lining And Supports For Tunnels (AREA)
Abstract
The utility model discloses a kind of tunnel steel fixer, including main channel, the main channel footing positioned at main channel both ends, the locating groove for positioning main channel.The main channel is divided into three kinds of vault main channel, arch springing main channel and abutment wall main channel；The main channel component that the main channel is connected with each other by several forms.The back side of the main channel offers several strip holes；Scale is equipped with the strip hole.Tunnel steel fixer is applied to urban subway tunnel and high ferro tunnel and Urban Underground piping lane concrete two is served as a contrast when interior longitudinal reinforcement and circumferential reinforcement are installed and used, this locator allows the position of longitudinal reinforcement and circumferential reinforcement to reach the permission minimum deviation value of reinforcement installation position, more accurate positioning is allowed to, meets professional standard and national standard.
Description
Technical field
Tunnel reinforcing bar field of locating technology is the utility model is related to, more particularly to a kind of tunnel steel fixer.
Background technology
Interior longitudinal reinforcement and circumferential reinforcement are served as a contrast in urban subway tunnel and high ferro tunnel and Urban Underground piping lane concrete two
During installation, spacer bar will be generally pre-set, so-called spacer bar is exactly to choose some ratios in prefabricated circumferential reinforcement
Compared with standard with as spacer bar, to position longitudinal reinforcement and circumferential reinforcement.When making circumferential reinforcement first according to tunnel
Given size makes on the reinforcing bar drawing that the concrete two in road serves as a contrast, and for bar diameter generally between 16-20mm, production method is general
All it is to make by hand and using angle-bender, the technical ability that when making requires is higher, can only achieve rebar sizes allowable error
0.5 times within, it is very big to realize that this requires difficulty；According to the center line, mileage and height in tunnel during installation spacer bar
Cheng Jinhang is positioned, and the spacing of spacer bar is generally 1-1.5m, and the connection between spacer bar is supported mutually with flitch, auxiliary
Help material more, employ skilled worker and power work post personnel it is more multi-purpose man-hour it is also more；Determined after in place with bracing wire method
Position calibration, according to the spacer bar circumferential reinforcement of both sides installation to the left and right after positioning calibration is completed, then installs longitudinal reinforcement successively,
Install longitudinal reinforcement requirement arch wall both sides at the same time uniformly installation, if in this way installation can cause circumferential reinforcement tilt or
Deformation.Longitudinal reinforcement will also check position after installing.
After the longitudinal reinforcement in this stage and circumferential reinforcement installation is completed, carrying out review to the position of reinforcing bar can find
One of reinforcement location the reason for exceeding allowable error value, causing this phenomenon：It is due to that the weight of longitudinal reinforcement all concentrates on
Spacer bar, spacer bar is that cylinder has certain elastic module in addition, is allowed to deform upon, longitudinal reinforcement and circumferential reinforcement
The displacement of different distance occurs.The two of reason：It is to be connected to fix with flitch that connection between spacer bar, which is fixed, spacer bar and
The connection of flitch is to bind to connect by iron wire, and it is very firm at that time to be bound with iron wire, occurs in work progress to positioning steel
Muscle is hit and spacer bar stress, is allowed to the life of iron wire garnishment and loosens and shift, spacer bar is subjected to displacement, longitudinal reinforcement and circumferential direction
The displacement of relatively large distance can occur for reinforcing bar.
Therefore, it is necessary to develop a kind of tunnel steel fixer to make the position of longitudinal reinforcement and circumferential reinforcement, steel can be reached
The permission minimum deviation value of muscle installation site is allowed to more accurate positioning, meets professional standard and national standard.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of tunnel steel fixer.
A kind of tunnel steel fixer, including main channel, the main channel footing positioned at main channel both ends, positioning main channel
Locating groove.
Tunnel steel fixer described in the utility model, wherein, the main channel is divided into vault main channel, arch springing major trough
Three kinds of road and abutment wall main channel；The main channel component that the main channel is connected with each other by several forms.
Tunnel steel fixer described in the utility model, wherein, the back side of the main channel offers several strips
Hole；Scale is equipped with the strip hole.
Tunnel steel fixer described in the utility model, wherein, the connection between two neighboring main channel component uses
Link slot connects.
Tunnel steel fixer described in the utility model, wherein, the both ends of each main channel component offer hole, and with
The diametral distance of link slot corresponds to, and bolt is inserted into hole and fastens main channel and link slot.
Tunnel steel fixer described in the utility model, wherein, scale is carried on the scale；The scale can be in master
Moved up and down in conduit strip hole.
Tunnel steel fixer described in the utility model, wherein, the locating groove is equipped with groove, by groove with
Main channel is clamped.
Tunnel steel fixer described in the utility model, wherein, the locating groove includes two ring locating grooves and three
Two kinds of ring locating groove；Two ring locating grooves and tricyclic locating groove are staggered.
Tunnel steel fixer described in the utility model, wherein, the connection between the main channel footing and main channel
Connected using plug.
Tunnel steel fixer described in the utility model, wherein, main channel footing, main channel, link slot, locating groove
Handled using galvanizing.
Compared with the existing technology, its advantage is the utility model：
(1) tunnel steel fixer is applied to urban subway tunnel and high ferro tunnel and Urban Underground piping lane concrete two serves as a contrast
Used during interior longitudinal reinforcement and circumferential reinforcement installation, this locator allows the position of longitudinal reinforcement and circumferential reinforcement to reach reinforcing bar
The permission minimum deviation value of installation site, is allowed to more accurate positioning, meets professional standard and national standard.
(2) the locator material selection science, rational in infrastructure, dexterity is light, technique is advanced, stable quality is reliable, transport
Conveniently, construction and installation are convenient and can recycle, when human and material resources have been saved in reinforcement installation engineering and having shortened installation
Between.
(3) different steel grid sizes are applicable in.Cross dimensions is constant, steel grid change in size when can also be used, and
It can be used in turn.
(4) main channel of tunnel steel fixer, card slot, main channel footing are all the materials using Q345B again through overheat
Zinc-plated processing, shape are groove design again, and it is to be connected using link slot with fixing bolt to be connected between main channel, between main channel
Be fixedly connected is clamped by card slot；The material of scale uses stainless steel round steel, the error of graduation control on scale 1.5mm it
It is interior；Scale can move when installing in main channel, and the reinforcing bar mesh of different size can be applicable in by realizing a set of steel fixer
Two lining steel bar arrangements of size.
Explanation and specific embodiment are described further the tunnel steel fixer of the utility model below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is tunnel steel fixer overall schematic；
Fig. 2 is graduated scale schematic diagram；
Fig. 3 is the link slot schematic diagram at " A " place in Fig. 1, wherein, C is the sectional schematic diagram of link slot；
Fig. 4 is the main channel and scale connection diagram at " B " place in Fig. 1；
Fig. 5 is the schematic rear view of main channel；
Fig. 6 is main channel footing schematic diagram；
Fig. 7 is tricyclic locating groove schematic diagram；
Fig. 8 is two ring locating groove schematic diagrames；
Fig. 9 uses schematic diagram for tunnel steel fixer.
Embodiment
As shown in Fig. 1-Fig. 9, a kind of tunnel steel fixer, including main channel, positioned at the main channel bottom at main channel both ends
Foot 4, the locating groove 8 for positioning main channel.
The main channel is divided into 3 three kinds of vault main channel 1, arch springing main channel 2 and abutment wall main channel；If the main channel by
The dry main channel component being connected with each other composition.The outer contour of abutment wall main channel 3 is the Q345B of 30 × 20mm.
Main channel material steel use Q345B, and straight line conduit is produced using hot rolling technology, and length is outputed at the main channel back side
Bar hole is prepared for installation scale later, and numerous curved with numerically controlled lathe according to the cross dimensions of tunnel double-lining, this method is to use computer
Control Radius, radian and length, the groove that the spacer bar than making by hand and being made using angle-bender is made
The error in road is much smaller, complies fully with design requirement.Because caused by the material and shape of main channel, so so that overall positioning
The high mechanical strength of device, elasticity diminish.
Connection between two neighboring main channel component is connected using link slot 6.The both ends of each main channel component open up
There is hole, and it is corresponding with the diametral distance of link slot 6, bolt is inserted into hole and fastens main channel and link slot 6.
Connection between main channel uses the link slot of 34 × 2mmQ345B of Internal periphery, and a diameter is opened at main channel two
10 hole is corresponding with the distance of the diameter 10mm of link slot, and the bolt of diameter 8mm is inserted into hole, is tightened with spanner, is allowed to main
It is seamless between conduit.Because the connection of main channel is that have bolt to fix again using grafting to tighten, so, make between main channel
Connection is more firm and firm.
The back side of main channel offers several strip holes 7；Scale 5 is equipped with the strip hole 7.Band on the scale 5
There is scale；The scale can move up and down in main channel strip hole 7.
The material of scale uses stainless steel round steel, and one is produced a rounded cap with press or punching machine, and the diameter of rounded cap is
Screw thread is produced in more than 2 times of the diameter of round steel, other end with lathe or screw-rolling machine, and the scale of pre-production length on scale, is carved
The unit of degree is cm, and precision is accurate to 0.5cm, turns round upper cap nut in scale thread root, the threaded one end of scale is carried on the back from main channel
The strip hole insertion in face simultaneously exposes head torsion upper cap nut by main channel, while also tightens root nut, carves overall main channel
Control errors are spent within 1.5mm.Because the scale precision of scale is high, scale can move up and down in main channel strip hole,
So high to reinforcing bar positioning accuracy, the reinforcing bar mesh size of different size can be applicable in by also achieving a set of steel fixer
Two lining steel bar arrangements.
Locating groove 8 is equipped with groove, is clamped by groove and main channel.The locating groove 8 includes two rings positioning card
Two kinds of groove and tricyclic locating groove；Two ring locating grooves and tricyclic locating groove are staggered.
Locating groove is to use straight-line groove, and the card slot of varying number and different size is made according to trolley length, is had
Block the card slot and card tricyclic main channel locating groove of two ring main channels, two ring locating grooves are in two recessing, tricyclic positioning card
Groove blocks main channel at two and middle recessing.Because locating groove and main channel are clampings, the groove of locating groove with
Main channel is combined closely, and is reported to the leadship after accomplishing a task use with two ring card slots and tricyclic card slot, so, installation and removal are convenient, are clamped firm, major trough
Accurate positioning between road.
Connection between main channel footing 4 and main channel is connected using plug.Main channel footing 4 is by above one block of steel plate
One section of square steel is welded, Internal periphery is slightly larger than major trough, and connection is using plug connection between main channel footing and major trough.Because footing
On have a steel plate, main channel and footing are grafting, so, main channel fix stably is again easy to remove, can also realize peace installation and dismantling
Unload conveniently.
Main channel footing 4, main channel, link slot 6, locating groove 8 are handled using galvanizing.Because sprocket bit device
Main body device all have passed through galvanizing processing, so, it can reach long-term and be used in turn.
Abutment wall main channel 3 is inserted into link slot 6 at the same time with arch springing main channel 2, and position is inserted into bolt and is tightened afterwards in place；Arch
Foot main channel 2 is connected with vault main channel 1 and takes same method；Erected after the completion of main channel connection in insertion main channel footing 4
Clamped with wedge block.Fixed between tunnel steel fixer using the connection of locating groove 8.
Tunnel steel fixer installation and application：
(1) previously according to trolley length computation material therefor, such as：Main channel footing, main channel, link slot, locating groove,
Bolt and wedge block；Installation tool, such as：The instruments such as different size spanner, hand hammer, pliers and card stool are transported to erecting bed；
(2) position (can also being made in factory) of scale is adjusted according to longitudinal reinforcement to scene, reaches the position of scale
It coincide with longitudinal reinforcement reinforcement location；
(3) should determine to determine steel fixer according to center line, kilometer stone and elevation；
(4) connected according to the order of connection of main channel, be sure not to connect dislocation；
(5) clamped after main channel insertion main channel footing is interior with wedge block；
(6) connect fixation between main channel to be fixed with locating groove, card slot recess and main channel clamping are close, are sure not seamed
Gap is connected or loosened, and is rocked and is deformed to prevent main channel；
(7) review calibration is carried out to locator with bracing wire method after being connected between main channel, steel fixer is finely adjusted
Ensure steel fixer position deviation in the range of tolerance；
(8) using the scale positioning longitudinal reinforcement of scale, the line both sides positioning to the left and right circumferential reinforcement on the basis of main channel,
It is allowed to longitudinal reinforcement and circumferential reinforcement more accurate positioning.
Embodiment described above is only that the preferred embodiment of the utility model is described, not to this practicality
New scope is defined, and on the premise of the spirit of the design of the utility model is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical solution of utility model is made, should all fall into the protection that the utility model claims book determines
In the range of.
Claims (8)
- A kind of 1. tunnel steel fixer, it is characterised in that：Main channel footing (4) including main channel, positioned at main channel both ends, Position the locating groove (8) of main channel；The back side of the main channel offers several strip holes (7)；In the strip hole (7) Equipped with scale (5)；Scale is carried on the scale (5)；The scale can move up and down in main channel strip hole (7).
- 2. tunnel steel fixer according to claim 1, it is characterised in that：The main channel is divided into vault main channel (1), (3) three kinds of arch springing main channel (2) and abutment wall main channel；The main channel component group that the main channel is connected with each other by several Into.
- 3. tunnel steel fixer according to claim 2, it is characterised in that：Company between two neighboring main channel component Connect and connected using link slot (6).
- 4. tunnel steel fixer according to claim 3, it is characterised in that：The both ends of each main channel component offer Hole, and it is corresponding with the diametral distance of link slot (6), bolt is inserted into hole and fastens main channel and link slot (6).
- 5. tunnel steel fixer according to claim 4, it is characterised in that：The locating groove (8) is equipped with groove, It is clamped by groove and main channel.
- 6. tunnel steel fixer according to claim 5, it is characterised in that：The locating groove (8) is determined including two rings Two kinds of position card slot and tricyclic locating groove；Two ring locating grooves and tricyclic locating groove are staggered.
- 7. tunnel steel fixer according to claim 6, it is characterised in that：The main channel footing (4) and main channel Between connection using plug connect.
- 8. tunnel steel fixer according to claim 7, it is characterised in that：Main channel footing (4), main channel, connection Groove (6), locating groove (8) are handled using galvanizing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721211790.3U CN207245725U (en) | 2017-09-20 | 2017-09-20 | Tunnel steel fixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721211790.3U CN207245725U (en) | 2017-09-20 | 2017-09-20 | Tunnel steel fixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207245725U true CN207245725U (en) | 2018-04-17 |
Family
ID=61886059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721211790.3U Expired - Fee Related CN207245725U (en) | 2017-09-20 | 2017-09-20 | Tunnel steel fixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207245725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236295A (en) * | 2021-04-25 | 2021-08-10 | 中铁二局第二工程有限公司 | Construction method of intensive tunnel embedded channel |
-
2017
- 2017-09-20 CN CN201721211790.3U patent/CN207245725U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113236295A (en) * | 2021-04-25 | 2021-08-10 | 中铁二局第二工程有限公司 | Construction method of intensive tunnel embedded channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20190920 |