CN207111118U - Pre-buried drilled grout hole is guide locating device provided on a kind of needle beam trolley - Google Patents
Pre-buried drilled grout hole is guide locating device provided on a kind of needle beam trolley Download PDFInfo
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- CN207111118U CN207111118U CN201721016921.2U CN201721016921U CN207111118U CN 207111118 U CN207111118 U CN 207111118U CN 201721016921 U CN201721016921 U CN 201721016921U CN 207111118 U CN207111118 U CN 207111118U
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- hole
- grouting
- buried
- grouting sleeve
- grout hole
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Abstract
The utility model discloses a kind of the guide locating device provided of pre-buried drilled grout hole on needle beam trolley, including trolley formwork and pre-buried grouting sleeve；Grout hole is opened up according to grouting position on trolley formwork, is dug in advance on corresponding pneumatically placed concrete face and sets embedded hole；Pre-buried grouting sleeve front end passes through the grout hole for needing grouting construction position, and is inserted perpendicularly into embedded hole, and its tail end retains grouting sleeve exposed parts outside trolley formwork；The pipe end of grouting sleeve exposed parts is blocked by hole sealing plate.The utility model effectively solves the angle problem to be drilled during later stage grouting construction, first liner timbering steel arch-shelf and the reinforcing bar of lining cutting placement can not be avoided, destroy concrete surface and a series of problem such as caused mass defect, accelerate the progress of later stage grouting construction, defect mending expense is reduced, ensure that the quality of grouting works construction.
Description
Technical field
It the utility model is related to the solidifying soil of Hydraulic and Hydro-Power Engineering tunnel lining coagulation and plasma pouring constructing skill field, specially one
Pre-buried drilled grout hole is guide locating device provided on kind needle beam trolley.
Background technology
The southern main hole control section grouting works project under construction of general main canal stem intake tunnel has：Rockfill grouting, consolidation grouting, return
Fill out the ㎡ of grouting works amount 32646, consolidation grouting section quantities 34576.55m.Rockfill grouting is distributed in 120 ° of top scope arrangement
3-5 hole, consolidation grouting arrange 12 holes per section, and adjacent angle is 30 °, consolidation grouting hole and rockfill grouting on same section
Hole uses.
According to southern general main canal stem intake tunnel engineering characteristic, after the completion of lining concrete construction, the age of concrete is treated
Reach requirement, it is unified to carry out tunnel grouting engineering construction, first backfill during this engineering grouting construction and consolidate afterwards, rockfill grouting enters rock
10cm, consolidation grouting enter rock 400cm；Southern general main canal backfill, consolidation grouting amount to 13235 holes, have been constructed in lining concrete
Cheng Hou, when grouting works is constructed, well cementing need to be carried out to 13235 holes.The faced technology of this engineering grouting works construction
Weight, difficult point are as follows：
1）During drilled grout hole, how to avoid the steel arch-shelf, anchor pole and lining concrete reinforcing bar of first liner timbering is emphasis；
2）According to setting drawing requirement, grouting works hole position should it is vertical with scar be in 90 ° of angles, how to ensure that bore angle is
Difficult point；
3）In order to ensure the construction speed of grouting works, how to ensure that the one-step pore-creating rate of bore operation is emphasis；
4）When being constructed because of grouting works, lining concrete all complete by construction, how to reduce lining concrete surface
Destroy, reduce mass defect and later stage repairing cost.
First, conventional grout drilling construction method is after the completion of lining concrete, in the concrete surface that lining cutting is completed
Drilled, need during drilling to destroy lining cutting surface；By concrete discharging, impact of vibrating, after being subjected to displacement, it can not look for, give
Shaping liner structure leaves penetrating passage, and hidden danger is brought to the permanent operation of flow structure excessively；Integral built-in grout pipe can not be protected in storehouse
Demonstrate,prove the position and direction of grout pipe.
Secondly, the problems such as also presence of conventional grout drilling construction method can not ensure its position, direction, can not ensure the later stage
The one-step pore-creating rate of drilled grout hole, can not ensure construction speed.
Moreover, during grouting works bore operation, due to the factors such as steel arch-shelf, anchor pole, reinforcing bar can not be avoided, and due to construction
The limitation of platform, the angle of drilling can not be ensured, to ensure construction speed, drilling personnel need to be increased and carry out bore operation, increase
Cost of labor.
Finally, bore operation is carried out on the concrete surface that lining cutting is completed, anchor pole, steel arch-shelf and two with first liner timbering
During lined steel muscle, separately perforate is needed, causes one-tenth porosity low, the engineering time is long, construction cost increase；, lining concrete face destroy
Afterwards, defect mending expense is added.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model be to provide one kind can on the premise of construction quality is ensured,
The one-step pore-creating rate of grouting works drilling is improved, reduces lining concrete surface breakdown, reduces later stage defect mending expense, is ensured
The construction speed of grouting works, and save the guide locating device provided of pre-buried drilled grout hole on the needle beam trolley of construction cost.Technology
Scheme is as follows：
Pre-buried drilled grout hole is guide locating device provided on a kind of needle beam trolley, including trolley formwork and pre-buried grouting sleeve；
Grout hole is opened up according to grouting position on trolley formwork, is dug in advance on corresponding pneumatically placed concrete face and sets embedded hole；Pre-buried grouting set
Pipe front end passes through the grout hole for needing grouting construction position, and is inserted perpendicularly into embedded hole, and its tail end retains filling outside trolley formwork
Starch sleeve pipe exposed parts；The pipe end of grouting sleeve exposed parts is blocked by hole sealing plate.
Further, each pre-buried grouting sleeve matches somebody with somebody two pieces of hole sealing plates, and two pieces of hole sealing plates each cover pre-buried grouting sleeve
The half mouth of pipe, and between leave gap；Hole sealing plate is secured by bolts on trolley formwork.
Further, sealing of hole plug is plugged with the grout hole without grouting construction position.
Further, each sealing of hole plug matches somebody with somebody two pieces of hole sealing plates, and two pieces of hole sealing plates fix the left and right sides of sealing of hole plug respectively,
Hole sealing plate is secured by bolts on trolley formwork.
Further, the pre-buried grouting sleeve is galvanized pipe.
Further, the length of the grouting sleeve exposed parts is 2cm.
The beneficial effects of the utility model are：
1）Construction quality：The pre-buried exposed 2cm of grouting sleeve, after lining concrete form removal, grouting conduit positions are obvious, after
Phase drilled grout hole is considerably reduced because of mass defect caused by drilled grout hole operation without destroying lining concrete surface
Problem；After pre-embedment grouting pipe, it is fixed using " two points one lines " mode, in concreting process, has prevented grout pipe position
Put and shift, can also be adjusted in time even if shifting；It disclosure satisfy that position, the direction of the hole position of later stage drilled grout hole；
2）Construction speed：After pre-buried grouting sleeve, exposed 2cm, grout pipe position is high-visible, and drilled grout hole operation
When, pre-buried grouting sleeve device has guide effect to bore angle, substantially increases the one-step pore-creating rate of later stage drilled grout hole, protects
The construction speed of grouting works is demonstrate,proved；
3）Personnel depaly：After pre-buried grouting sleeve, the factors such as steel arch-shelf, anchor pole, reinforcing bar, pre-buried grouting are effectively avoided
Sleeve pipe serves drilling guide effect, ensure that the angle of drilling, substantially increases construction speed, without increasing workmen；
4）Construction cost：Suit measures to local conditions a set of concrete feeding-distribution device of processing and fabricating, constructed the period through whole concrete, significantly
The one-step pore-creating rate of drilled grout hole is improved, reduces construction cost；After pre-buried grouting sleeve, drilling guide effect is served, greatly
The destruction for reducing concrete surface of amplitude reduces defect mending expense.
Brief description of the drawings
Fig. 1 is the guide locating device provided structural representation of pre-buried drilled grout hole on the utility model needle beam trolley.
Fig. 2 is backfill and consolidation grouting cross sectional view.
Fig. 3 is grouting arrangement of boring holes sectional drawing.
Fig. 4 is grouting arrangement of boring holes expanded view.
There is grouting position sealing of hole sectional drawing in Fig. 5 Fig. 1 at A.
Fig. 6 is detail drawing at B in Fig. 5.
Fig. 7 be in Fig. 1 at A without grouting position sealing of hole sectional drawing.
Fig. 8 is detail drawing at C in Fig. 7.
1- needle beam trolleys；2- grout holes；21- consolidations and rockfill grouting hole；3- trolley formworks；The pre-buried grouting sleeves of 4-；41-
Grouting sleeve enters to spray part；42- grouting sleeve exposed parts；5- pneumatically placed concretes face；6- hole sealing plates；7- bolts；8- nuts；9- is sealed
Stopple.
Embodiment
The utility model is described in further details with specific embodiment below in conjunction with the accompanying drawings.A kind of as shown in figure 1, pin
Pre-buried drilled grout hole is guide locating device provided on beam chassis, including trolley formwork 3 and pre-buried grouting sleeve 4；Root on trolley formwork 3
Grout hole 2 is opened up according to grouting position, is dug in advance on corresponding pneumatically placed concrete face 5 and sets embedded hole；The pre-buried front end of grouting sleeve 4 passes through
The grout hole 2 at grouting construction position is needed, and is inserted perpendicularly into embedded hole, its tail end retains outside grouting sleeve outside trolley formwork 3
Reveal part 42；The pipe end of grouting sleeve exposed parts 42 is blocked by hole sealing plate 6.Without in the grout hole 2 at grouting construction position
It is plugged with sealing of hole plug 9.
Each pre-buried grouting sleeve 4 of the present embodiment matches somebody with somebody two pieces of hole sealing plates 6, and two pieces of hole sealing plates 6 each cover pre-buried grouting
The half mouth of pipe of sleeve pipe 4, and between leave gap；Hole sealing plate 6 is fixed on trolley formwork 3 by bolt 7.During installation, when pre-
Grouting sleeve 4 is buried through grout hole 2 and after inserting the suitable depth of embedded hole, need to only rotate the hole sealing plate 6 of the both sides of grout hole 2,
The pre-buried end of grouting sleeve 4 is plugged in, then tightens bolt 7；During dismounting, the envelope that bolt 7 rotates both sides need to be only turned on
Orifice plate 6, then removal trolley formwork 3, it is simple to operate.
Each sealing of hole plug 9 matches somebody with somebody two pieces of hole sealing plates 6, and two pieces of hole sealing plates 6 fix the left and right sides of sealing of hole plug 9, hole sealing plate 6 respectively
It is fixed on by bolt 7 on trolley formwork 3.Installation and method for dismounting and the mode of operation of hole sealing plate 6 of the pre-buried end of grouting sleeve 4
It is identical.
The engineering of the present embodiment carries out lining concrete construction using 12m section whole-rounds needle beam trolley, starts in concrete
Before construction, relevant parameter in the grouting drawing issued according to designing unit, perforate processing is carried out to needle beam trolley, amounted to per section
12 holes, adjacent angle are 30 °, as shown in Figures 2 and 3.Lining concrete is 12m per element length, built-in pipe array pitch of being in the milk
For 3m, amount to 48 holes per unit, as shown in Figure 4.
Pre-buried grouting sleeve 4 is from the galvanized pipe that specifications and models are Φ 60*3.5mm, internal diameter 53mm, wall thickness 3.5mm.Plating
Zinc pipe contrasts with traditional steel pipe, there is some following advantage：Easily get rusty, rust-proofing ability is strong；Price is low, light weight, service life
It is long；Resistance to corrosion is strong；It is simple to operate, easy to use.Before needle beam trolley is in place, according to design drawing and on-site actual situations,
Carry out making pre-buried grouting sleeve, the present embodiment engineering lining concrete thickness is with 40cm（C-type section）Occupy the majority（D type sections
Lining thickness be 50cm, E type section lining thickness be 60cm, transition lining thickness be 60cm ~ 100cm）, enter pneumatically placed concrete
3cm, sleeve pipe leakage 2cm, i.e., pre-buried grouting sleeve joint length is 45cm.Corresponding length is made according to different section type parameter
The grouting sleeve of degree, to meet site operation.
, will grouting hole site and size in needle beam trolley template 3 on needle beam trolley 1 before perforate（Opening diameter is 60mm
Circular hole position）It is labeled using red paint, it is straight array pitch and perforate grouting hole position using steel tape after the completion of mark
Footpath is checked；If checking, its parameter is satisfied by setting requirement, and a piece grouting sleeve length of interception is 45cm, using interception
Single galvanized pipe is checked new perforate position one by one, ensures that grouting sleeve can pass through new perforate position；If measured value is not met
It is required that when, handled in time, until meeting that regulation requires.
Before lining concrete reinforcing bar system peace, accurate surveying and locating is carried out to reinforcing bar system peace and service sleeve position first,
Built-in pipe position is identified using red paint, grout pipe position and distributing reinforcement position are avoided in lining concrete reinforcing bar ampere-hour
The 2cm under pre-embedment grouting pipe, after built-in pipe position measurement setting-out, built-in pipe position is dug on pneumatically placed concrete using electric pick
Enter 3cm, aperture 75mm, point action is played to ensure that chassis post-grouting pipe in place can enter to spray coagulation face.
It is in 90 ° of angles with osseotomy site, one end extends to have been dug in advance when grouting sleeve is installed after needle beam trolley is in place
In the pneumatically placed concrete face opened, leak outside 2cm or so at needle beam trolley template, and leakage position is using the hexagonal spiral shell for having welded completion in advance
Additional mantle fiber nut is fixed after bolt set seals up orifice plate, during casting concrete special messenger should be arranged to carry out after installation
Check, prevent from loosening, find timely processing when service sleeve loosens.
After the completion of chassis perforate, away from aperture left and right sides 4cm（Longitudinal direction）Place's welding hex bolts, bolt specification M16*
50, after the completion of bolt welding, welding position is measured far from orifice position and recording parameters, according to hex bolts and aperture it
Between numerical value, on hole sealing plate compareing relevant parameter carries out perforate, and hole sealing plate select Q235R thickness 10mm steel plates, after steel plate is processed
Physical dimension is 140mm*60mm*1.0mm, and osseotomy site aperture is 18mm, and position of opening is at steel plate center.Will after the completion of perforate
Steel plate position of opening is inserted on the screw rod of hex bolts and detected, to ensure that perforate can pass through hex bolts on hole sealing plate
Screw rod.
There is pre-buried grout hole position：After pre-buried grouting sleeve installation, using welding hexagonal on the mouth template of new perforate position
Bolt sleeve seals up additional mantle fiber nut after orifice plate and carries out sealing of hole, fixation, a diameter of 16mm of hexagonal bolt screw, length 50mm,
Head diameter is 23mm, thickness 12mm.As shown in Figure 5 and Figure 6.Pour and during concrete vibrating, arrange in lining concrete
Special messenger carries out " diligent to check, beat, timely processing more " to pre-buried grouting sleeve, to ensure that the grout pipe of insertion will not be because of coagulation
Native blanking and vibrate and disturb.
Without pre-buried grout hole position：The grouting drawing content requirement issued according to designing unit, the present embodiment engineering consolidation
Grouting is not that full hole section is continuously constructed, but consolidation grouting hole position all carries out perforate on needle beam trolley, without grouting construction portion
During the sealing of hole of position, additional mantle fiber nut carries out sealing of hole, fixation after sealing up orifice plate with welding hex bolts set using the sealing of hole plug of making,
The a diameter of 75mm of sealing of hole plug bottom cock cap, thickness 5mm；It is 10mm, a diameter of 55mm to fill in body thickness.As shown in Figure 7 and Figure 8.
The effect of sealing of hole plug is to prevent that concrete slurry flows out from chassis pre-embedment grouting pipe position in lining concrete casting process, shadow
Ring concrete construction quality.
It is smooth to ensure to drill in later stage grouting works, following item is should be noted that in pre-buried grouting sleeve：
1）When lining concrete is constructed, the pre-buried galvanized pipes of Φ 60 should avoid the steel arch-shelf, anchor pole and lining of first liner timbering
The reinforcing bar of building concrete placement；
2）If conflict with the steel arch rack position of excavation supporting stage phase installation, the galvanized pipe positions of Φ 60, deviation are adjusted
5cm is should be less than, and after the fixation of aperture, emphasis is checked the position, handled in casting process, prevents it in lining cutting coagulation
Pre-embedment grouting pipe position is subjected to displacement situation when soil is poured, vibrated；
3）Pre-embedment grouting pipe should be vertical with concrete surface, in 90 ° of angles；
4）After the completion of lining concrete pours, pre-buried 60 zinc-plated protection of pipes of Φ and the mouth of pipe should be repaiied in time in form removal
Mend.
Claims (6)
1. pre-buried drilled grout hole is guide locating device provided on a kind of needle beam trolley, it is characterised in that including trolley formwork（3）It is and pre-
Bury grouting sleeve（4）；Trolley formwork（3）On according to grouting position open up grout hole（2）, corresponding pneumatically placed concrete face（5）It is upper pre-
First chisel sets embedded hole；Pre-buried grouting sleeve（4）Front end passes through the grout hole for needing grouting construction position（2）, and be inserted perpendicularly into pre-buried
In hole, its tail end is in trolley formwork（3）Outer reservation grouting sleeve exposed parts（42）；Grouting sleeve exposed parts（42）Pipe end
Pass through hole sealing plate（6）Closure.
2. pre-buried drilled grout hole is guide locating device provided on needle beam trolley according to claim 1, it is characterised in that each
Pre-buried grouting sleeve（4）With two pieces of hole sealing plates（6）, two pieces of hole sealing plates（6）Each cover pre-buried grouting sleeve（4）A semicanal
Mouthful, and between leave gap；Hole sealing plate（6）Pass through bolt（7）It is fixed on trolley formwork（3）On.
3. pre-buried drilled grout hole is guide locating device provided on needle beam trolley according to claim 1, it is characterised in that without
The grout hole at grouting construction position（2）Inside it is plugged with sealing of hole plug（9）.
4. pre-buried drilled grout hole is guide locating device provided on needle beam trolley according to claim 3, it is characterised in that each
Sealing of hole plug（9）With two pieces of hole sealing plates（6）, two pieces of hole sealing plates（6）Sealing of hole plug is fixed respectively（9）The left and right sides, hole sealing plate（6）It is logical
Cross bolt（7）It is fixed on trolley formwork（3）On.
5. pre-buried drilled grout hole is guide locating device provided on needle beam trolley according to claim 1, it is characterised in that described
Pre-buried grouting sleeve（4）For galvanized pipe.
6. pre-buried drilled grout hole is guide locating device provided on needle beam trolley according to claim 1, it is characterised in that described
Grouting sleeve exposed parts（42）Length be 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016921.2U CN207111118U (en) | 2017-08-15 | 2017-08-15 | Pre-buried drilled grout hole is guide locating device provided on a kind of needle beam trolley |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721016921.2U CN207111118U (en) | 2017-08-15 | 2017-08-15 | Pre-buried drilled grout hole is guide locating device provided on a kind of needle beam trolley |
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| Publication Number | Publication Date |
|---|---|
| CN207111118U true CN207111118U (en) | 2018-03-16 |
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ID=61571547
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721016921.2U Expired - Fee Related CN207111118U (en) | 2017-08-15 | 2017-08-15 | Pre-buried drilled grout hole is guide locating device provided on a kind of needle beam trolley |
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| CN (1) | CN207111118U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269300A (en) * | 2017-08-15 | 2017-10-20 | 中国水利水电第五工程局有限公司 | Pre-buried drilled grout hole is guide locating device provided on a kind of needle beam trolley |
| CN109306870A (en) * | 2018-10-26 | 2019-02-05 | 河北创恒智能装备科技有限公司 | Full section of tunnel construction integer support steel arch-shelf and method for protecting support |
| CN110067581A (en) * | 2019-05-13 | 2019-07-30 | 湖北工业大学 | The arrangement and construction method of trouble or opening armored concrete branch sheath embedded hole are opened in tunnel or tunnel |
| CN110985006A (en) * | 2019-12-23 | 2020-04-10 | 成都工业学院 | A quick positioner that is used for tunnel smooth surface blasting all around hole |
-
2017
- 2017-08-15 CN CN201721016921.2U patent/CN207111118U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269300A (en) * | 2017-08-15 | 2017-10-20 | 中国水利水电第五工程局有限公司 | Pre-buried drilled grout hole is guide locating device provided on a kind of needle beam trolley |
| CN107269300B (en) * | 2017-08-15 | 2023-10-27 | 中国水利水电第五工程局有限公司 | Guiding and positioning device for pre-buried grouting drilling on needle beam trolley |
| CN109306870A (en) * | 2018-10-26 | 2019-02-05 | 河北创恒智能装备科技有限公司 | Full section of tunnel construction integer support steel arch-shelf and method for protecting support |
| CN110067581A (en) * | 2019-05-13 | 2019-07-30 | 湖北工业大学 | The arrangement and construction method of trouble or opening armored concrete branch sheath embedded hole are opened in tunnel or tunnel |
| CN110985006A (en) * | 2019-12-23 | 2020-04-10 | 成都工业学院 | A quick positioner that is used for tunnel smooth surface blasting all around hole |
| CN110985006B (en) * | 2019-12-23 | 2021-03-16 | 成都工业学院 | A quick positioner that is used for tunnel smooth surface blasting all around hole |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |