CN208595125U - A kind of complete automatic clamping device of shield duct piece pre-buried channel flow - Google Patents
A kind of complete automatic clamping device of shield duct piece pre-buried channel flow Download PDFInfo
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- CN208595125U CN208595125U CN201821176189.XU CN201821176189U CN208595125U CN 208595125 U CN208595125 U CN 208595125U CN 201821176189 U CN201821176189 U CN 201821176189U CN 208595125 U CN208595125 U CN 208595125U
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- cylinder
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Abstract
The utility model discloses a kind of complete automatic clamping devices of shield duct piece pre-buried channel flow, including air cylinder support, cylinder, T-type pull rod, pull rod protective case；The air cylinder support can be fixed on mold intrados, the cylinder body of cylinder is fixed on air cylinder support, the piston rod rod end of cylinder is connect with one end of T-type pull rod, and the other end of T-type pull rod is a T-shaped head, which can be inserted into conduit；Pull rod protective case gap is socketed on T-type pull rod.It T-type pull rod can be driven to protrude into conduit and pulls back since the utility model is fixed on the cylinder on mold, conduit is tightly bonded with die face, in casting concrete, ensure conduit in lasting clamped condition, guarantee that conduit does not loosen, after vibration after the solidification of section of jurisdiction, cylinder driving T-type pull rod is rotated by 90 ° after rising and allows, it is separated from conduit, to lift by crane section of jurisdiction.The utility model has the advantages that installation effectiveness is high, consumptive material dosage is few, it is high not need destruction conduit, the pre-buried quality of conduit.
Description
Technical field
The utility model relates to a kind of tunnel production equipments, complete automatic more particularly to a kind of shield duct piece pre-buried channel flow
Clamping device.
Background technique
Tunnel is made of section of jurisdiction.The installation of the other components such as the cable in tunnel and track in the past is installed just where
It burrows on which section of jurisdiction, puts expansion bolt, often because training off, and repeat to burrow, seriously affect the service life in tunnel.
In order to prevent to repeat to construct, often service sleeve conduit is embedded in concrete in section of jurisdiction now, and surface is concordant with concrete.Slot
There are many models in road, it has an anti-loosening design, and dedicated T-type pull rod 3 is used cooperatively, and have both fastened conveniently, can also be any
It adjusts, is the preferred fastener of many Larger Engineering Projects such as railway tunnel, bridge, airport etc..Pre-buried channel flow can be applied
The occasions such as rail traffic, high-speed rail, building.Pre-buried channel flow in rail traffic in Shield-bored tunnels section of jurisdiction is right on mold
It is very strict in the fixed requirement of fitting.There are a variety of fixed forms for the prior art, but can be fully solved there is presently no a kind of
Conduit is bonded fixed method on segment die.
Scheme is fixedly mounted in pre-buried channel flow, and the installation coordinated scheme of mainstream mainly has following three kinds at present:
(1) special bolt fixation.
(2) tailormadepiston nut fixation.
(3) plastic bar supporting methods.
(1) special bolt fixation.The solder-bump first in template, the Primary Location for conduit.It then will be special
Bolt welding on steel reinforcement cage, after steel reinforcement cage in place after, tighten bolt, applied force is on pre-buried channel flow, to complete
The purpose of positioning.It adopts this method without the aperture in the template of section of jurisdiction, passes through welding and the fixed built-in groove of bolt fastening
Road.Which higher cost.Using reinforcement welding mode in the presence of difficulty of construction is big, and it is easy to cause conduit surface unnecessary
Damage；And when section of jurisdiction pours, since the presence of external vibrator is detached from conduit and mold intrados, it is unable to reach estimated
Pre-buried effect.
(2) tailormadepiston nut fixation.Using a kind of tailormadepiston nut member, by being processed on segment die
Screw rod connection, fixed pre-buried channel flow is installed, since fixed pre-buried channel flow is using the bolt of tailormadepiston nut and irony
Connection, when demoulding, need to increase the total power of tunnel segment demoulding, destroy the screw thread on the inside of plastic nut directly, are easy to damage in this way
The bad screw rod connecting with mold, needs to be replaced frequently screw rod, increases plastic nut consumptive material.
(3) plastic bar supporting methods.Special stand is padded between built-in sliding chute and steel reinforcement cage, is pressed with steel reinforcement cage from reformation is certain
Power increases bracket between steel reinforcement cage and die cover plate, using the pressure fixing sliding slot of cover board and steel reinforcement cage, need to customize a large amount of
Slipping groove stent and steel reinforcement cage and die cover plate bracket, consumables cost is high in production, and there are certain safeties for installation.
In addition, when being fixed by above-mentioned method, efficiency bottom, consumables cost are high, there are security risk, and quality
Unstable, conduit is covered by section of jurisdiction cement, when fitting is fixed cannot safely and effectively stable fitting, after forming section of jurisdiction, in advance
The conduit being embedded in section of jurisdiction is covered by cement, and template face easy to pollute, it is time-consuming to remove covering conduit wash cement, and not
It is beautiful.
Utility model content
The purpose of this utility model is to provide a kind of installation effectiveness height, consumptive material dosage is few, does not need to destroy conduit, conduit
The high complete automatic clamping device of shield duct piece pre-buried channel flow of pre-buried quality." the complete Automatic Link Establishment of pre-buried channel flow " is through testing
As a result be comprehensively compared, have economic, environmental protection, energy conservation, it is efficient the features such as, overcome the various of conventional mounting mode in current industry
Drawback, has given full play to the function of section of jurisdiction automatic production line, especially can guarantee section of jurisdiction final product quality and the pre-buried skill of conduit
Art index.
To achieve the above object, the technical solution of the utility model is:
The utility model is a kind of complete automatic clamping device of shield duct piece pre-buried channel flow, including air cylinder support, cylinder, T
Type pull rod, pull rod protective case；The air cylinder support can be fixed on mold intrados, and the cylinder body of cylinder is fixed on air cylinder support
On, the piston rod rod end of cylinder is connect with one end of T-type pull rod, and the other end of T-type pull rod is a T-shaped head, should
T-shaped head can be inserted into conduit；Pull rod protective case gap is socketed on T-type pull rod.
The piston rod rod end of the cylinder is fixed together by pull rod pin shaft and one end of T-type pull rod, is being drawn
The traversing through end of lever pin axis has opening finger setting.
The utility model further includes pneumatic control mechanism, which is connect by pipeline with cylinder, controls gas
Cylinder movement；The pneumatic control mechanism includes jettron, pressure retaining valve, cylinder；The cylinder is controlled by jettron,
Jettron is connected by the air inlet of first via pipeline and pressure retaining valve, and each cylinder air inlet is connected by threeway and pressure retaining valve
It connects, the gas outlet of jettron is connect by the second road pipeline with the gas outlet of each cylinder, and jettron gas outlet passes through three
Logical to connect with another channel of pressure retaining valve, cylinder gas is normally discharged, and cylinder works normally.
After adopting the above scheme, since the utility model includes air cylinder support, cylinder, T-type pull rod, pull rod protective case, Gu
The cylinder being scheduled on mold can drive T-type pull rod to protrude into conduit and pull back, and conduit is tightly bonded with die face, is pouring coagulation
Soil, taps into gas source before vibration, mold integrally shake in ensure that conduit in lasting clamped condition, guarantees that conduit does not loosen, vibration knot
After beam after the solidification of section of jurisdiction, cylinder driving T-type pull rod is rotated by 90 ° to allow after rising is separated from conduit, to lift by crane section of jurisdiction.This is practical
Novel Automatic-clamping, to unclamp be between the circulation of each process, always all in lasting clamped condition after conduit installation, to protect
Card conduit and template are kept fixed distance, and after the molding of section of jurisdiction, conduit and section of jurisdiction have stable size, have ensured the matter of product
Amount has the advantages that installation effectiveness is high, consumptive material dosage is few, it is high not need destruction conduit, the pre-buried quality of conduit.
The benefit that it is generated is as follows:
1, every kilometer of minimum consumables cost reduced more than 20,000 in terms of consumptive material rises in the utilization of tunnel duct piece conduit
Considerable economic benefit is arrived.
2, shorten the installation conduit time and save a large amount of cost of labor in the actual production process.
3, maintenance cost is lower, the replacement feature that spare and accessory parts are fast, the period is short.
The utility model is further described in the following with reference to the drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is the axonometric drawing of the utility model；
Fig. 2 is the stereogram exploded view of the utility model；
Fig. 3 is the schematic diagram of the utility model securing channels；
Fig. 4 is the structural schematic diagram of the utility model pneumatic control mechanism；
Fig. 5 is the front view of the utility model actual use；
Fig. 6 is cross-sectional view of the Fig. 5 along line A-A.
Specific embodiment
As shown in Figure 1-Figure 3, the utility model is a kind of complete automatic clamping device of shield duct piece pre-buried channel flow, including gas
Jar support 1, cylinder 2, T-type pull rod 3, pull rod protective case 4, pneumatic control mechanism 5, pull rod pin shaft 6, split pin 7.
The air cylinder support 1 can be fixed on 10 intrados of mold, and the cylinder body of cylinder 2 is fixed on air cylinder support 1 described
The piston rod rod end of cylinder 2 be fixed together by pull rod pin shaft 6 and one end of T-type pull rod 3, in pull rod pin shaft 6
Traversing through end is bolted with the positioning of split pin 7, and the other end of the T-type pull rod 3 is a T-shaped head 31, this is T-shaped
Head 31 can be inserted into conduit 20；4 gap of pull rod protective case is socketed on T-type pull rod 3, avoids cylinder 2 and T-type pull rod
3 by the reliability for being influenced their movements because of spillage.The pneumatic control mechanism 5 is connect by pipeline with cylinder 2, and gas is controlled
Cylinder 2 acts.
As shown in figure 4, the pneumatic control mechanism 5 includes jettron 51, pressure retaining valve 52, cylinder 2；The cylinder
2 are controlled by jettron 51, and the air inlet of cylinder 2 is connect by first via pipeline 53 with the gas outlet of pressure retaining valve 52, pressure maintaining
The air inlet of valve 52 is connect by the second road pipeline 54 with the gas outlet of cylinder 2, on the second tunnel that cylinder 2 is connect with pressure retaining valve 52
Pipeline 54 is equipped with jettron 51, and air inlet, outlet are completed by jettron 51, and control Automatic-clamping unclamps.The gas
Dynamic control mechanism 5 includes jettron 51, pressure retaining valve 52, cylinder 2；The cylinder 2 is controlled by jettron 51, pneumatically
Switch 51 is connect by first via pipeline 53 with the air inlet of pressure retaining valve 52, and each 2 air inlet of cylinder passes through threeway and pressure retaining valve
52 connection, the gas outlet of jettron 51 passes through threeway with each cylinder 2(by the second road pipeline 54) gas outlet connect, gas
Dynamic 51 gas outlet of switch is connect by threeway with another channel of pressure retaining valve 52, and 2 gas of cylinder is normally discharged, and cylinder 2 works normally.
The application method of the utility model:
As shown in Figure 5, Figure 6, according to 20 uniform stressed point of conduit, the aperture on segment die 10, quantity estimated 2-4,
Special securing channels mechanism fixed plate is welded in template intrados by opening diameter 12-12.3MM, and section of jurisdiction is distributed the fixed drawing of 2-4
Tight mechanism, cylinder 2 are controlled with a jettron 51, drive T-type pull rod 3 to be rotated by 90 ° by the special cylinder 2 of transformation laggard
Row decomposes move up and down, and realization carries out automatic tension to conduit 20 and release acts, and prevents section of jurisdiction lifting from bumping against T-type in the process and draws
Bar 3 damages mechanism, and there are spillage phenomenons for vibration filling process, design a pull rod guarantor to be rotated up and down the T-type pull rod 3 of movement
Sheath 4 avoids cylinder and pull rod by the reliability for being influenced movement because of spillage.Since section of jurisdiction actual production is continuous productive process, this
Automatic-clamping, the tripping-gear of utility model offer need to disconnect gas source in next procedure circulation, need in clamping system special
Pressure maintaining element, to guarantee the Clamp blocks of the present apparatus in lasting clamping conduit state.Gas is tapped into before casting concrete, vibration
Source, mold integrally shake in ensure conduit in lasting clamped condition, guarantee that conduit 10 does not loosen, section of jurisdiction solidifies after vibration
Afterwards, control switch can unclamp clamping device, and T-type pull rod 3 is rotated by 90 ° after rising gets out of the way conduit lifting section of jurisdiction.
The utility model and existing mounting means compare
1. conduit is compared in section of jurisdiction Forming Quality
| Mounting means | The positional stability of fixed point |
| Special bolt Fixation | During vibration, 3MM steeps in continuous compression process bolt, not lasting clamping force, fixed point and mold There are certain gaps for cambered surface, have spillage possibility, cause section of jurisdiction bad order. |
| Special nut Fixation | During vibration, 3MM steeps in continuous compression process bolt, not lasting clamping force, fixed point and mold There are certain gaps for cambered surface, have spillage possibility, cause bad order. |
| Plastic bar branch Staying | During vibration, 3MM steeps in continuous compression process bolt, under reinforcing bar self weight and platen pressure, can keep Certain clamping force, but there is the problems such as falling off in movement or vibration in plastics, cause section of jurisdiction quality unstable It is fixed. |
| This is practical new Type | During vibration, 3MM bubble silk floss compresses in casting process, and cylinder is able to maintain lasting clamping force, guarantees Conduit is bonded with mold cambered surface, and quality is stablized. |
2. consumptive material compares
| Mounting means | When a fixed point consumptive material unit price | Every ring consumptive material quantity price | Every kilometer of consumptive material |
| Special bolt fixation | 5 | 27*5=135 | 833*135=112455 |
| Special nut fixation | 1.2 | 27*1.2=32.4 | 833*32.4=26989 |
| Plastic bar supporting methods | 1.1 | 27*1=29.7 | 833*29.7=24740 |
| The utility model | Nothing | Nothing | Nothing |
3. the set-up time compares
| Mounting means | Installation is when the fixed point time (minute) | Every ring installs fixed point time (minute) |
| Special bolt fixation | Welding, the estimated fixed point of lock bolt is needed to want 2 minutes or more, it is inconvenient | 2*27=54 |
| Special nut fixation | It needs to punch on conduit, split nut, it is contemplated that 2 minutes or more | 27*2=54 |
| Plastic bar supporting methods | It wants mold that fixed point is transformed, needs that plastic fittings is installed, it is contemplated that 2 minutes or more | 27*2=54 |
| The utility model | Fixed point is controlled simultaneously by air valve, includes non-cutting time, it is contemplated that within 20 seconds. | 27*20=540 second |
4. maintenance comparison
| Mounting means | Fixed point maintenance |
| Special bolt is fixed Method | Solid welding positioning is set on mold, does not need fixed point maintenance |
| Special nut is fixed Method | It needs that bolt is installed on mold, is broken by force by lifting by crane demoulding, it is often necessary to which screw is replaced Maintenance, while can have different degrees of damage to mold |
| Plastic bar supporting methods | Fixed point is transformed in mold, and because of reasons such as spillages, cleaning is difficult, it is often necessary to fixed point is safeguarded, Replacement trouble. |
| The utility model | It is controlled by cylinder, non-maintaining in substantially 1 year, replacing cylinder and T-type pull rod also only needs 1-5 minutes Time. |
The composition of section of jurisdiction, the working principle of the utility model and function:
The composition and device of 1.1 sections of jurisdiction are distributed
1.1.1 one ring of section of jurisdiction is made of calibrated bolck, adjacent block, the block that binds (3+2+1), amounts to 6 sections of jurisdiction.
1.1.2 calibrated bolck, link block need four to be fixedly clamped a little, and the block that binds needs 2 and is fixedly clamped a little, an endless tube
Piece amounts to needs 22 and is fixedly clamped a little, 6 sets of independent devices.
1.2. the working principle and function of the utility model
1.2.1 the device major impetus is air, and the rotation of special cylinder is controlled by jettron, is moved up and down, real
The Automatic-clamping of existing T-type screw rod, release movement.
1.2.2 since section of jurisdiction production is pipelining, gas source will disconnect at any time, by the special pressure retaining valve of device,
Ensure mold position of the conduit in section of jurisdiction in operation.
1.2.3 when concrete vibrates, under high-frequency vibration, device taps into gas source again, and conduit can stablize patch under lasting pressure
Die surface is closed, guarantees the precision of conduit position, to ensure pre-buried quality.
1.2.4 the device greatly improves the installation speed and precision of pipe segment production line working efficiency and conduit, together
When avoid using and wasting for the pre-buried consumptive material in section of jurisdiction, finally ensure the quality of section of jurisdiction finished product.
3, mold is transformed:
2.1 calibrated bolcks, adjacent block segment die, clamping point position deviates 150mm in specified mold center, two intermediate
Pitch-row arc of recess is about 720mm, two side holes arc length about 1000mm, and aperture is diameter 12.1mm, and the backing positions for installing cylinder pass through
Tooling carries out intrados positioning, and fixed-direction after adjusting, is welded.(aperture distance field negotiate after determine specifically away from
From progress aperture)
2.2 bind block segment die, and clamping point position deviates 150mm, intermediate two hole distances in specified mold center
Arc length about 720mm, aperture are diameter 12.1mm, and the backing positions for installing cylinder carry out intrados positioning, fixation side by tooling
To being welded after adjusting.(aperture distance field determines that specifically distance carries out aperture after negotiating)
After the completion of the welding of 2.3 air cylinder supports, after remaining accessory is assembled as required, debugging movement, after movement is errorless, mould
Tool
Transformation terminates.
In the complete Automatic Link Establishment of 2.4 pre-buried channel flows, device is influenced and damaged for pre- mortar leakage prevention problem, passes through induction
Switch, storage battery, indicator light etc., more preferable prevention solve to carry out simple and quick place before lifting by crane because the rotation of spillage bring device is motionless
Reason avoids damaging the bring that is fixedly clamped because of spillage.
The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited with this
Range should still belong to this reality that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description
In the range of being covered with new patent.
Claims (3)
1. a kind of complete automatic clamping device of shield duct piece pre-buried channel flow, it is characterised in that: drawn including air cylinder support, cylinder, T-type
Bar, pull rod protective case；The air cylinder support can be fixed on mold intrados, and the cylinder body of cylinder is fixed on air cylinder support, gas
The piston rod rod end of cylinder is connect with one end of T-type pull rod, and the other end of T-type pull rod is a T-shaped head, should " T " word
Forming head portion can be inserted into conduit；Pull rod protective case gap is socketed on T-type pull rod.
2. the complete automatic clamping device of shield duct piece pre-buried channel flow according to claim 1, it is characterised in that: the gas
The piston rod rod end of cylinder is fixed together by pull rod pin shaft and one end of T-type pull rod, is had in the traversing through end of pull rod pin shaft
Be open finger setting.
3. the complete automatic clamping device of shield duct piece pre-buried channel flow according to claim 1, it is characterised in that: further include gas
Dynamic control mechanism, the pneumatic control mechanism are connect by pipeline with cylinder, and cylinder movement is controlled；The pneumatic control mechanism packet
Include jettron, pressure retaining valve, cylinder；The cylinder is controlled by jettron, and jettron is by first via pipeline and protects
The air inlet of pressure valve connects, and each cylinder air inlet is connect by threeway with pressure retaining valve, and the gas outlet of jettron passes through second
Road pipeline is connect with the gas outlet of each cylinder, and jettron gas outlet is connect by threeway with another channel of pressure retaining valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821176189.XU CN208595125U (en) | 2018-07-24 | 2018-07-24 | A kind of complete automatic clamping device of shield duct piece pre-buried channel flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821176189.XU CN208595125U (en) | 2018-07-24 | 2018-07-24 | A kind of complete automatic clamping device of shield duct piece pre-buried channel flow |
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| Publication Number | Publication Date |
|---|---|
| CN208595125U true CN208595125U (en) | 2019-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821176189.XU Active CN208595125U (en) | 2018-07-24 | 2018-07-24 | A kind of complete automatic clamping device of shield duct piece pre-buried channel flow |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799264A (en) * | 2018-07-24 | 2018-11-13 | 游连章 | A kind of complete automatic clamping device of shield duct piece pre-buried channel flow |
| CN112126143A (en) * | 2019-06-24 | 2020-12-25 | 上海清远管业科技股份有限公司 | Cassette type HDPE hollow wall shield segment protective sleeve and preparation method thereof |
-
2018
- 2018-07-24 CN CN201821176189.XU patent/CN208595125U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799264A (en) * | 2018-07-24 | 2018-11-13 | 游连章 | A kind of complete automatic clamping device of shield duct piece pre-buried channel flow |
| CN112126143A (en) * | 2019-06-24 | 2020-12-25 | 上海清远管业科技股份有限公司 | Cassette type HDPE hollow wall shield segment protective sleeve and preparation method thereof |
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