CN105672363A - Construction process of cast-in-place cover plate, and telescopic steel pipe, dismounting device and bracket used in construction process of cast-in-place cover plate - Google Patents
Construction process of cast-in-place cover plate, and telescopic steel pipe, dismounting device and bracket used in construction process of cast-in-place cover plate Download PDFInfo
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- CN105672363A CN105672363A CN201610216532.8A CN201610216532A CN105672363A CN 105672363 A CN105672363 A CN 105672363A CN 201610216532 A CN201610216532 A CN 201610216532A CN 105672363 A CN105672363 A CN 105672363A
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- steel pipe
- inspection chamber
- cover plate
- cast
- pipe
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
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- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a construction process of a cast-in-place cover plate of a brick inspection well and a telescopic steel pipe, characterized in that the telescopic steel pipe is mounted and dismounted by adjusting the length of the telescopic steel pipe, the telescopic steel pipe comprises a first steel pipe, a second steel pipe and a diamond-shaped steel shore arranged between the first steel pipe and second steel pipe, the diamond-shaped steel shore is of a structure that four steel shores are connected via four rotatable shafts, a support pipe is arranged on the diamond-shaped steel shore, one end of the support pipe is connected with one rotating shaft, and the other end of the support pipe is connected with another rotating shaft. The construction process is simple, convenient and feasible, and part materials are reusable.
Description
Technical field
The invention belongs in the construction technology of cast-in-place cover plate and construction process the device used.
Background technology
At present, known inspection chamber cover plate is all prefabricated cover plate, it is necessary to certain place carries out prefabricated shaping, is transported by automobile after completing, and transports to working-yard and installs. First prefabricated place needs to carry out hardened ground, then carries out cover plate prefabricated, reaches form removal after certain intensity, lifting entrucking, then transport to working-yard to utilize digging machine or hang machine cooperation installation, when running into digging machine or the machine that hangs cannot enter scene, it is necessary to artificial or other modes are installed. The defect existed is as follows:
1) construction speed there is certain influence;
2) add machinery input, cause increasing engineering cost;
3), by space constraint, when machinery cannot enter, effort is manually installed;
4) enough prefabricated places are needed;
5) when quantity is many, place has in limited time, need be in batches prefabricated, have impact on the duration;
6) when installing, cover plate position adjustment is more time-consuming;
7) there is certain potential safety hazard during lifting;
8) cover plate is caused certain damage by handling process unavoidably, affects its quality;
9) while prefabricated cover plate, the inspection chamber laid must carry out safe maintenance, causes increasing engineering cost.
Summary of the invention
An object of the present invention is to provide a kind of scalable steel pipe for brick inspection chamber cast-in-place cover plate construction technology, it is possible to adjust its length according to demand, only need to shorten its length just can be removed when removing, simple and fast, safe and practical.
For achieving the above object, the technical solution used in the present invention is:
A kind of scalable steel pipe for brick inspection chamber cast-in-place cover plate construction technology, the rhombus steel support that scalable steel pipe comprises the first steel pipe, the 2nd steel pipe and is located between the first steel pipe, the 2nd steel pipe, the support of rhombus steel connects, by four rotatable spindles, the structure of getting up by four sections of steel supports, the support of rhombus steel is provided with supporting tube, one end of supporting tube is connected with a turning axle, the other end of supporting tube is connected with another turning axle, the length of turning axle and the revolving spindle draw is adjustable, can adjust the length of scalable steel pipe by adjusting the length of expansion pipe. scalable steel pipe played a supportive role in brick inspection chamber cast-in-place cover plate construction technology mid-early stage, when cast-in-place cover plate is shaping and need to remove scalable steel pipe after having certain degree of hardness, prior art is by two or many relatively short steel pipes fixed by iron wire, when removing, iron wire is cut off, not only not firm when fixing waste certain manpower and time simultaneously, and remove after iron wire can not reuse, cause the waste of resource, and this product, when mounted its length is adjusted long, make it can be erected on inspection chamber, when needs are removed, only need to adjust its length short just can be removed, simple and convenient, during joint laborsaving.The present invention is when removing scalable steel pipe, it is possible to operation on the cast-in-place cover plate being shaped, substantially increases construction safety guarantee.
As a kind of preferred version of scalable steel pipe of the present invention, described supporting tube is made up of the first spiral tube being threaded connection and the 2nd spiral tube, the total length of the first spiral tube and the 2nd spiral tube is the length of supporting tube, and the first spiral tube and the 2nd spiral tube relatively rotate the length that can change supporting tube. Further, the 2nd described threaded pipe free end has outstanding shack, is fixed by instrument and shack, rotates, so that it may to adjust the length of supporting tube.
Further, the present invention discloses the detaching device of a kind of scalable steel pipe, and detaching device comprises pipe connecting and rotates part, and pipe connecting one end has crotch, and the other end is fixedly connected with rotation part, is also arranged with fixed pulley on rotation part. Further, described rotation part can centered by the rotation compass fixing with pipe connecting or two-way turntable, it may also be useful to time, the crotch of pipe connecting is connected with the 2nd spiral tube of scalable steel pipe, rotating and rotate part, the length adjusting scalable steel pipe completes to remove work.
The present invention discloses a kind of and described detaching device with the use of bracket, this bracket comprises the bracket body that centre has U-shaped groove, bracket body two ends are erected on the cast-in-place cover plate in inspection chamber top, U-shaped groove is for placing detaching device, when detaching device uses, detaching device needs to keep and plane-parallel, staff works for a long time and can require great effort very much, working efficiency is not high, and use this bracket, not needing to be lifted by detaching device, can stop at any time is placed on bracket simultaneously.
Further, described bracket body is also provided with detachable light sources, prevents more weak being not easy to of the light when dismantling from observing and construction, when not needing additional light source, it is possible to taken off, it is necessary to time, it is arranged on bracket body and just can use.
The present invention discloses the construction technology of a kind of cast-in-place cover plate of brick inspection chamber, comprise the following steps:
Step one: forming inspection chamber with brick masonry brick wall, brick wall top outer is higher than inner side;
Step 2: scalable steel pipe is placed on the brick wall around inspection chamber;
Step 3: place end template on scalable steel pipe, and pit shaft template is placed in end template central position,
Shaft drum form plate height is identical with inside height difference with inspection chamber brick wall top outer;
Step 4: lay reinforcing mat on the end template outside pit shaft template;
Step 5: casting concrete outside pit shaft template, and vibrated evenly with vibrating head;
Step 6: the concrete setting built and after reaching certain intensity, remove scalable steel pipe, end template, pit shaft template, casting concrete and reinforcing mat form concrete cover.
Further, step 2 is also included in the step fixing anti-fall support on brick wall, the anti-fall line that anti-fall support comprises two anti-fall pipes and is connected between two anti-fall pipes, the vertical brick wall of anti-fall pipe also inserts in brick wall, and anti-fall Bracket setting is below scalable steel pipe. Anti-fall support can effectively prevent the steel pipe when removing scalable steel pipe from falling suddenly and accidentally injure operator.
Further, described step 4 is also included in the step laying plastics film on end template, mortar leakage prevention, plays again the effect of the demoulding.
Further, first step 6 is specially pulls down pit shaft template, then removes two scalable steel pipes in the middle part of inspection chamber, then is loosened by remaining two scalable steel pipes, then end template is extracted out, then remove two scalable steel pipes near the inspection chamber borehole wall.
When having installed anti-fall support in our construction technology, when follow-up dismounting by anti-fall support removing, the hole simultaneously stayed on brick wall by anti-fall support is floating.
Useful effect:
The construction technology of the cast-in-place cover plate of brick inspection chamber disclosed by the invention has following useful effect:
1), while building next inspection chamber by laying bricks or stones can build the inspection chamber cover plate completed above, shorten the construction duration;
2), not by space constraint, it is possible to molding at any time is built;
3), not by place limit, directly build on inspection chamber;
4), need not load and unload for two times, save machinery and consume, cost-saving;
5), model sheetinstallat complete after, it is possible at temporary heap putting material above;
6) link preparing prefabricated place, is saved;
7), Sheet Steel Form can repeatedly use, saved construction cost;
8), can prefabricated other small members (as: prefabricated walling crib etc.) on Sheet Steel Form;
9), can directly maintenance in working-yard, it is to increase the quality of inspection chamber cover plate;
10), structure simple, be easy to fabrication and installation, dismounting, shipment is convenient;
11), working security is substantially increased.
Its length is adjusted long by scalable steel pipe disclosed by the invention when mounted so that it is can be erected on inspection chamber, when needs are removed, it is only necessary to adjust its length short just can be removed, simple and convenient, laborsaving when saving.
Accompanying drawing explanation
Fig. 1 is a kind of scalable steel pipe schematic diagram of the present invention.
Fig. 2 is a kind of detaching device structural representation.
Fig. 2 a is another kind of detaching device structural representation
Fig. 3 is detaching device right view in Fig. 2.
Fig. 4 is a kind of carrier structure schematic diagram.
Fig. 4 a is another kind of carrier structure schematic diagram.
Fig. 5 is the using state schematic diagram of detaching device when removing scalable steel pipe.
Fig. 6 is the structure iron after scalable steel pipe and anti-fall support installing.
Fig. 7 is the longitudinal sectional drawing of structure in Fig. 6.
Fig. 8 is the structural representation of end template and pit shaft template in construction process.
Fig. 9 is longitudinal diagrammatic cross-section of Fig. 8.
Figure 10 is the structural representation of reinforcing mat in construction process.
Figure 11 is longitudinal diagrammatic cross-section of Figure 10.
Figure 12 is anti-fall shelf structure enlarged diagram.
1, inspection chamber 2, anti-fall support 3, scalable steel pipe 3.1, first steel pipe 3.2, the 2nd steel pipe 3.3, rhombus steel support 3.31, steel support 3.321,3.322,3.323,3.324, rotatable spindle 3.33, supporting tube 4, end template 5, pit shaft template 6, reinforcing mat 7, concrete cover 8, brick wall 9, detaching device 9.1, pipe connecting 9.2, rotate part 9.3, fixed pulley 10, bracket 10.1, detachable light sources
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
As shown in the figure, a kind of scalable steel pipe 3 for brick inspection chamber cast-in-place cover plate construction technology, scalable steel pipe comprises the first steel pipe 3.1, 2nd steel pipe 3.2 and be located at the first steel pipe, rhombus steel support 3.3 between the 2nd steel pipe, rhombus steel support 3.3 is by four rotatable spindles 3.321 by four sections of steel supports 3.31, 3.322, 3.323, 3.324 connect the structure of getting up, support at rhombus steel and it is provided with supporting tube 3.33 on 3.3, one end of supporting tube 3.33 is connected with a turning axle 3.321, the other end of supporting tube is connected with another turning axle 3.323, the length of turning axle and the revolving spindle draw is adjustable, the length of scalable steel pipe can be adjusted by adjusting the length of expansion pipe.
Supporting tube 3.33 is made up of the first spiral tube 3.331 being threaded connection and the 2nd spiral tube 3.332, the total length of the first spiral tube 3.331 and the 2nd spiral tube 3.332 is the length of supporting tube 3.33, and the first spiral tube 3.331 and the 2nd spiral tube 3.332 relatively rotate the length that can change supporting tube 3.33.
Further, first spiral tube 3.331 one end is fixedly connected with turning axle 3.322, and the other end is connected by one end of screw thread with the 2nd spiral tube 3.332, and the other end of the 2nd spiral tube 3.332 is connected with turning axle 3.324, and has outstanding shack at this end. In order to improve scalable steel pipe 3 firm property in use, scalable steel pipe 3 two ends can be designed to square structure by us, prevent whole scalable steel pipe from rotating.
A construction technology for the cast-in-place cover plate of brick inspection chamber, comprises the following steps:
Step one: forming inspection chamber 1 with brick masonry brick wall, brick wall 8 top outer is higher than inner side;
Step 2: scalable steel pipe 3 is placed on the brick wall 8 around inspection chamber 1;
Step 3: place end template 4 on scalable steel pipe 3, and pit shaft template 5 is placed in end template 4 central position, pit shaft template 5 height is identical with inside height difference with inspection chamber brick wall top outer;
Step 4: lay reinforcing mat 6 on the end template outside pit shaft template 5;
Step 5: casting concrete outside pit shaft template 5, and vibrated evenly with vibrating head;
Step 6: the concrete setting built and after reaching certain intensity, remove scalable steel pipe 3, end template 4, pit shaft template 5, casting concrete and reinforcing mat 6 form concrete cover 7. First step 6 is specially pulls down pit shaft template 5, then two scalable steel pipes 3 in the middle part of inspection chamber are removed, again remaining two scalable steel pipes 3 are loosened, then end template 4 is extracted out, then remove two scalable steel pipes 3 near the inspection chamber borehole wall.
Further, step 2 is also included in the step fixing anti-fall support 2 on brick wall 8, the anti-fall line 2.2 that anti-fall support 2 comprises two anti-fall pipes 2.1 and is connected between two anti-fall pipes, the vertical brick wall of anti-fall pipe 2.1 also inserts in brick wall, it is equipped with anti-fall support 2 in the lower section at scalable steel pipe 3 two ends, the distance that distance between the anti-fall support at same scalable steel pipe 3 two ends is less than between wall brick, the scalable steel pipe 3 fallen down when removing is played a supportive role by the anti-fall line of anti-fall support.
In order to mortar leakage prevention and be convenient to the demoulding, step 4 is also included in the step laying plastics film on end template.
Removing in step, first pull down pit shaft template 5, then remove two scalable steel pipes 3 in the middle part of inspection chamber, then end template 4 is extracted out, then remove two scalable steel pipes 3 near the inspection chamber borehole wall.
Further, when removing scalable steel pipe 3, by rotating the 2nd threaded pipe 3.332 so that it is relatively rotate with the first threaded pipe 3.331 so that it is the part that junction overlaps produces. For the ease of rotating the 2nd threaded pipe 3.332, invent a kind of detaching device 9, comprise the pipe connecting 9.1 that one end has crotch, the other end is fixedly connected with and rotates part 9.2, rotate part 9.2 can centered by the rotation compass fixing with pipe connecting 9.1 or two-way turntable, it may also be useful to time, the crotch of pipe connecting 9.1 is connected with the 2nd spiral tube 3.332 of scalable steel pipe, rotating and rotate part, the length adjusting scalable steel pipe 3 completes to remove work.
A kind of and described detaching device with the use of bracket 10, this bracket comprises the bracket body that centre has U-shaped groove, bracket body two ends are erected on the cast-in-place cover plate in inspection chamber top, U-shaped groove for placing detaching device, when detaching device uses, detaching device needs to keep and plane-parallel, staff works for a long time and can require great effort very much, and working efficiency is not high, and uses this bracket, not needing to be lifted by detaching device, can stop at any time is placed on bracket simultaneously.
Further, rotation part is also provided with position device for limiting, for limiting the relative position of detaching device and bracket, prevents detaching device and bracket relatively sliding. Described position device for limiting can have various ways, as card groove, card block have the ring etc. of opening, position device for limiting in the present embodiment is be set in the fixed pulley 9.3 rotated on part, utilizes the groove on fixed pulley to limit the relative position of detaching device and bracket.
Further, described bracket body is also provided with detachable light sources 10.1, prevents more weak being not easy to of the light when dismantling from observing and construction, when not needing additional light source, it is possible to taken off, it is necessary to time, it is arranged on bracket body and just can use.
Further, detachable light sources 10.1 is fixed on the position near U-shaped groove by web member, is convenient to observe other structures in scalable steel pipe and inspection chamber.
Further, described scalable steel pipe 3 can also have other structure formations, such as, is not suitable for the support of rhombus steel, but directly the first steel pipe 3.1 and the 2nd steel pipe 3.2 are connected by screw thread, regulate its length by rotating the first steel pipe 3.1 or the 2nd steel pipe 3.2.
Although embodiments of the present invention being illustrated in specification sheets, but these implement mode just as prompting, it should not limit protection scope of the present invention. Carry out various omission, displacement and change without departing from the spirit and scope of the present invention all should be included in protection scope of the present invention.
Claims (10)
1. the scalable steel pipe for brick inspection chamber cast-in-place cover plate construction technology, it is characterized in that: scalable steel pipe (3) comprises the first steel pipe (3.1), 2nd steel pipe (3.2) and be located at the first steel pipe (3.1), rhombus steel support (3.3) between the 2nd steel pipe (3.2), rhombus steel support (3.3) is by four rotatable spindles (3.321 by four sections of steel support (3.31), 3.322, 3.323, 3.324) the structure of getting up is connected, support at rhombus steel and (3.3) are provided with supporting tube (3.33), one end of supporting tube (3.33) is connected with a turning axle (3.321), the other end of supporting tube (3.33) is connected with another turning axle (3.323), turning axle (3.321) is adjustable with the length of turning axle (3.323) expansion pipe (3.33), the length of scalable steel pipe (3) can be adjusted by adjusting the length of expansion pipe.
2. scalable steel pipe according to claim 1, it is characterized in that: described supporting tube (3.33) is made up of the first spiral tube (3.331) being threaded connection and the 2nd spiral tube (3.332), the total length of the first spiral tube (3.331) and the 2nd spiral tube (3.332) is the length of supporting tube (3.33), and the first spiral tube (3.331) and the 2nd spiral tube (3.332) relatively rotate the length that can change supporting tube (3.33).
3. scalable steel pipe according to claim 2, it is characterised in that: the 2nd described threaded pipe (3.332) free end has outstanding shack.
4. the detaching device for the scalable steel pipe described in the arbitrary item of claim 1-3, detaching device comprises pipe connecting (9.1) and rotates part (9.2), pipe connecting (9.1) one end has crotch, the other end is fixedly connected with and rotates part (9.2), is also arranged with fixed pulley (9.3) in rotation part (9.2).
5. the bracket for detaching device according to claim 4, comprise the bracket body that centre has U-shaped groove, bracket body two ends are erected on the cast-in-place cover plate in inspection chamber top (7), and U-shaped groove, for placing detaching device, bracket body is also provided with detachable light sources.
6. the construction technology of the cast-in-place cover plate of brick inspection chamber, it is characterised in that, comprise the following steps:
Step one: forming inspection chamber (1) with brick masonry brick wall, brick wall (8) top outer is higher than inner side;
Step 2: scalable steel pipe (3) is placed on the brick wall (8) around inspection chamber (1);
Step 3: place end template (4) on scalable steel pipe (3), and pit shaft template (5) is placed in end template (4) central position, pit shaft template (5) height is identical with inside height difference with inspection chamber brick wall top outer;
Step 4: lay reinforcing mat (6) on the outer end template of pit shaft template (5);
Step 5: at pit shaft template (5) outside casting concrete, and vibrated evenly with vibrating head;
Step 6: the concrete setting built and after reaching certain intensity, removing scalable steel pipe (3), end template (4), pit shaft template (5), casting concrete and reinforcing mat (6) form concrete cover (7).
7. the construction technology of the cast-in-place cover plate of brick inspection chamber according to claim 6, it is characterized in that: the step being also included in the upper fixing anti-fall support (2) of brick wall (8) in step 2, the anti-fall line that anti-fall support (2) comprises two anti-fall pipes and is connected between two anti-fall pipes, the vertical brick wall of anti-fall pipe also inserts in brick wall, and anti-fall support (2) is arranged on scalable steel pipe (3) lower section.
8. the construction technology of the cast-in-place cover plate of brick inspection chamber according to claim 7, it is characterised in that: described step 4 is also included in the step laying plastics film on end template.
9. the construction technology of the cast-in-place cover plate of brick inspection chamber according to claim 6, it is characterized in that: first step 6 is specially pulls down pit shaft template (5), then two scalable steel pipes (3) in the middle part of inspection chamber are removed, again remaining two scalable steel pipes (3) are loosened, then end template (4) is extracted out, then remove two scalable steel pipes (3) near the inspection chamber borehole wall.
10. the construction technology of the cast-in-place cover plate of brick inspection chamber according to claim 7, it is characterised in that: in step 6, also comprise the step removing anti-fall support (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610216532.8A CN105672363B (en) | 2016-04-07 | 2016-04-07 | Cast-in-place cover plate construction technology and the scalable steel pipe used, remove device and bracket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610216532.8A CN105672363B (en) | 2016-04-07 | 2016-04-07 | Cast-in-place cover plate construction technology and the scalable steel pipe used, remove device and bracket |
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| Publication Number | Publication Date |
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| CN105672363A true CN105672363A (en) | 2016-06-15 |
| CN105672363B CN105672363B (en) | 2017-12-12 |
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| CN106313286A (en) * | 2016-06-28 | 2017-01-11 | 中天建设集团有限公司 | Tool die plate for circular hole concrete structure |
| CN110306598A (en) * | 2019-06-04 | 2019-10-08 | 浙江沧海建设有限公司 | The construction method of inspection shaft |
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| Publication number | Publication date |
|---|---|
| CN105672363B (en) | 2017-12-12 |
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