CN111622786A - Arch connecting plate angle positioning device and angle positioning method - Google Patents
Arch connecting plate angle positioning device and angle positioning method Download PDFInfo
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- CN111622786A CN111622786A CN202010505456.9A CN202010505456A CN111622786A CN 111622786 A CN111622786 A CN 111622786A CN 202010505456 A CN202010505456 A CN 202010505456A CN 111622786 A CN111622786 A CN 111622786A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 7
- 238000013461 design Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/14—Lining predominantly with metal
- E21D11/18—Arch members ; Network made of arch members ; Ring elements; Polygon elements; Polygon elements inside arches
- E21D11/183—Supporting means for arch members, not provided for in E21D11/22
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
The invention provides an arch center connecting plate angle positioning device and an angle positioning method, belonging to the technical field of tunnel primary arch center installation construction devices, wherein the device comprises an adjustable balance plate, a base and an angle adjusting assembly; the first end of the adjustable balance plate is hinged with the front surface of the base, the axis of the hinge is parallel to the base, and a leveling mechanism is arranged on the front surface or the back surface of the adjustable balance plate; the back of the base is detachably attached and fixed with the arch frame connecting plate; the angle adjusting assembly is arranged between the adjustable balance plate and the base and comprises a sliding block, a limiting piece and a connecting rod; the sliding block is arranged on the base in a sliding manner; the limiting pieces are arranged on two sides of the sliding block; two ends of the connecting rod are respectively hinged with the adjustable balance plate and the sliding block. The device has guaranteed that the connecting plate angle is installed accurately, and the connecting plate between bow member and the bow member can be hugged closely, has eliminated the easy bulge that appears of connecting between each step bow member, not smooth and straight, whole atress effect subalternation defect to the installation quality of bow member has been guaranteed.
Description
Technical Field
The invention belongs to the technical field of tunnel primary arch mounting construction devices, and particularly discloses an arch center connecting plate angle positioning device and an angle positioning method.
Background
In the step excavation, a certain distance is required to be drawn between an upper step and a middle step and between a middle step and a lower step, that is, the upper step unit, the middle step unit and the lower step unit of each arch truss are installed in sections and are not installed simultaneously, and the arch trusses are connected through a connecting plate. When the arch centering of each step is installed, an inner contour control point of the arch centering is generally marked on the surface of surrounding rocks by a measuring team, and an arch centering installation worker installs the arch centering according to the control point, but only the control point is used for installing the arch centering in the arch centering installation process, so that the installation position of the arch centering can be ensured not to be limited, and the angle of a connecting plate can not be ensured, and when the middle step is connected with the arch centering, the angle of the connecting plate of the upper step arch centering is inconsistent with the angle of the connecting plate of the middle step arch centering, the connecting plate of the upper step arch centering and the connecting plate of the middle step arch centering can not be closely attached, so that the arch centering can not be integrally stressed, and appearance quality defects such as bulges, unsmooth connection and the like are easy to appear at the position of the connecting plate of.
Disclosure of Invention
The invention aims to provide an arch center connecting plate angle positioning device and an angle positioning method, which are characterized in that control measures of the angle of an arch center connecting plate are added on the basis of the original arch center mounting mode, the accurate angle mounting of the connecting plate is ensured, the connection plates between an upper step arch center and a middle step arch center and between the middle step arch center and a lower step arch center can be closely attached, the defects of bulges, non-roundness, poor integral stress effect and the like which are easy to occur in connection between the step arch centers are eliminated, and the mounting quality of the arch center is ensured.
In order to achieve the aim, the invention provides an arch center connecting plate angle positioning device which comprises an adjustable balance plate, a base and an angle adjusting assembly, wherein the angle adjusting assembly is used for adjusting the angle between the adjustable balance plate and the base; the first end of the adjustable balance plate is hinged with the front surface of the base, the hinge axis is parallel to the base, and a leveling mechanism for judging whether the adjustable balance plate is in a horizontal state is arranged on the front surface or the back surface of the adjustable balance plate; the back of the base is detachably attached and fixed with the arch frame connecting plate; the angle adjusting assembly is arranged between the adjustable balance plate and the base and comprises a sliding block, a limiting piece and a connecting rod; the sliding block is arranged on the base in a sliding mode, and the sliding direction is perpendicular to the hinge axis of the adjustable balance plate and the hinge axis of the base; the limiting pieces are arranged on two sides of the sliding block and used for fixing the position of the sliding block; two ends of the connecting rod are respectively hinged with the adjustable balance plate and the sliding block, and the hinge axis is parallel to the hinge axis of the adjustable balance plate and the hinge axis of the base.
Further, the angle adjusting assembly also comprises an adjusting screw rod; the adjusting screw rod is arranged on the base and penetrates through the unthreaded hole of the sliding block; the limiting part is an adjusting nut in threaded fit with the adjusting screw rod.
Further, the angle adjusting assembly further comprises a scale; the scale is arranged on the base and penetrates through the sliding block.
Further, the back of the base is provided with a bolt used for being detachably connected with the arch connecting plate.
Furthermore, a fixing screw hole and an adjusting screw hole are formed in the base; the fixing screw holes are in a group and correspond to a group of through holes on the arch frame connecting plate; the adjusting screw holes are divided into a plurality of groups, wherein one group corresponds to the other group of through holes on the arch center connecting plate.
Further, the bolt is a rubber bolt.
Furthermore, a magnet is embedded on the back surface of the base, and the surface of the magnet is flush with the back surface of the base.
Furthermore, a base hinge lug, a balance plate hinge lug and a sliding block hinge lug are respectively arranged on the base, the adjustable balance plate and the sliding block; the adjustable balance plate is hinged with the base hinge lug; the both ends of connecting rod are articulated with balance plate hinge lug and slider hinge lug respectively.
Further, the leveling mechanism includes a lateral leveling tube and a longitudinal leveling tube.
The invention also provides an arch frame connecting plate angle positioning method, which uses the arch frame connecting plate angle positioning device for positioning and comprises the following steps:
s1, adjusting the position of the sliding block to make the angle between the adjustable balance plate and the base consistent with the design angle between the arch frame connecting plate and the horizontal plane, and fixing the position of the sliding block through a limiting piece;
s2, the back of the base is fixedly attached to the arch center connecting plate;
s3, adjusting the angle and position of the arch connecting plate, judging whether the adjustable balance plate reaches the horizontal position through a leveling mechanism, and when the adjustable balance plate reaches the horizontal position, the arch connecting plate also reaches the design angle to fix the arch.
Compared with the prior arch installing technology, the arch connecting plate angle positioning device has the advantages that:
1. the angle positioning device for the arch center connecting plate has reasonable structural design and ingenious and novel conception, breaks through the traditional construction method, utilizes the principle that the angle between the arch center connecting plate and the horizontal plane is consistent with the angle between the base and the adjustable balance plate by means of the structural advantages, controls the angle of the arch center connecting plate by means of the balance of the transverse leveling tube and the longitudinal leveling tube when the position of the arch center is adjusted, and ensures the perpendicularity of the arch center;
2. the structure is simple, the required mechanical accessory materials are easy to purchase, the processing is simple, and the cost is low;
3. the method is simple to operate and easy to master, greatly improves the work efficiency, reduces the construction cost and ensures the installation quality of the arch center;
4. the angle positioning device for the arch center connecting plate can enable the arch center connecting plates among the steps to be closely mounted, improves the integral stress capacity of the arch center, and ensures the construction safety.
Drawings
FIG. 1 is a front view of an arch web angular positioning apparatus;
FIG. 2 is a top view of an adjustable balance plate in the arch connecting plate angular positioning apparatus;
FIG. 3 is a top view of a base in the arch web angular positioning apparatus.
In the figure: 1-adjustable balance plate; 2-a base; 3-a transverse levelling tube; 4-a longitudinal level tube; 5-a slide block; 6-connecting rod; 7-adjusting the screw; 8-adjusting the nut; 9-a scale; 10-fixing screw holes; 11-adjusting screw holes; 12-rubber bolts; 13-a magnet; 14-base hinge ears; 15-balance plate hinge lug; 16-slider hinge ear.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides an arch center connecting plate angle positioning device, which comprises an adjustable balance plate 1, a base 2 and an angle adjusting assembly, wherein the angle adjusting assembly is used for adjusting the angle between the adjustable balance plate 1 and the base 2; the first end of the adjustable balance plate 1 is hinged with the front side of the base 2, the hinge axis is parallel to the base, and a leveling mechanism for judging whether the adjustable balance plate 1 is in a horizontal state is arranged on the front side or the back side of the adjustable balance plate 1; the back of the base 2 is detachably attached and fixed with the arch frame connecting plate; the angle adjusting assembly is arranged between the adjustable balance plate 1 and the base 2 and comprises a sliding block 5, a limiting piece and a connecting rod 6; the sliding block 5 is arranged on the base 2 in a sliding mode, and the sliding direction is perpendicular to the hinge axis of the adjustable balance plate 1 and the base 2; the limiting pieces are arranged on two sides of the sliding block 5 and used for fixing the position of the sliding block 5; two ends of the connecting rod 6 are respectively hinged with the adjustable balance plate 1 and the sliding block 5, and the hinge axis is parallel to the hinge axes of the adjustable balance plate 1 and the base 2. When the slider 5 is fixed in position, the three hinge points form a stable triangular structure.
Further, the angle adjusting assembly also comprises an adjusting screw 7; the adjusting screw 7 is arranged on the base 2 and penetrates through the unthreaded hole of the sliding block 5; the limiting part is an adjusting nut 8 in threaded fit with the adjusting screw 7. The position of the sliding block 5 on the adjusting screw 7 is adjusted by rotating the adjusting nut 8, and the angle value between the adjustable balance plate 1 and the base 2 is guaranteed not to change after reaching a specific value.
Further, the angle adjustment assembly further comprises a scale 9; the scale 9 is arranged on the base 2 and penetrates through the sliding block 5. According to the design angle between the arch center connecting plate and the horizontal plane, the position of the sliding block 5 on the scale 9 is calculated, the construction accuracy is guaranteed, meanwhile, the scale 9 is matched with the adjusting screw 7, the motion state of the sliding block 5 is limited, and the sliding block 5 can only slide along the adjusting screw and cannot rotate.
Further, the back of the base 2 is provided with a bolt for detachable connection with the arch connecting plate.
Further, a fixing screw hole 10 and an adjusting screw hole 11 are arranged on the base 2; the fixing screw holes 10 are in a group and correspond to a group of through holes on the arch center connecting plate; the adjusting screw holes 11 are in a plurality of groups, wherein one group corresponds to the other group of through holes on the arch center connecting plate. Through setting up multiunit adjusting screw 11, make above-mentioned bow member connecting plate angle positioning device adaptable not unidimensional bow member, have better adaptability and flexibility. Four through holes which are arranged in a rectangular shape are generally arranged on the arch connecting plate, and when the number of one group of fixing screw holes 10 is one, the adjusting screw hole 11 can correspond to any one of the other three through holes; when the number of the set of fixing screw holes 10 is two, the fixing screw holes 10 correspond to the through holes located on the long side or the short side of the rectangle, and the adjusting screw holes 11 correspond to the other two through holes.
Further, the bolt is a rubber bolt 12. When the device is installed, bolts with the same diameter as the hole diameter on the arch connecting plate are needed to be adopted so as to ensure that the device for positioning the angle of the arch connecting plate does not move relative to the arch connecting plate after being installed, and the elastic rubber bolts 12 are adopted, so that the device can be adapted to through holes on the arch connecting plate and screw holes on the base 2, screw holes with different hole diameters are avoided being formed on the base 2, and the processing difficulty is reduced.
Further, the back gomphosis of base 2 has magnet 13, and the surface of magnet 13 and the back parallel and level of base 2 to closely adsorb base 2 on the bow member connecting plate, use with the bolt cooperation, fixed effect is better.
Further, a base hinge lug 14, a balance plate hinge lug 15 and a sliding block hinge lug 16 are respectively arranged on the base 2, the adjustable balance plate 1 and the sliding block 5; the adjustable balance plate 1 is hinged with a base hinge lug 14; two ends of the connecting rod 6 are respectively hinged with the balance plate hinge lug 15 and the sliding block hinge lug 16.
Furthermore, the angle positioning device for the arch center connecting plate is made of aluminum alloy sections, steel and rubber.
Example 2
The embodiment provides an arch connecting plate angle positioning method, which is used for positioning according to the arch connecting plate angle positioning device in embodiment 1, and comprises the following steps:
s1, adjusting the position of the sliding block 5 to make the angle between the adjustable balance plate 1 and the base 2 consistent with the design angle between the arch center connecting plate and the horizontal plane, and fixing the position of the sliding block 5 through a limiting piece;
s2, the back of the base 2 is fixedly attached to the arch frame connecting plate through the rubber bolt 12;
s3, adjusting the angle and position of the arch connecting plate to center the leveling air bubbles on the transverse leveling tube 3 and the longitudinal leveling tube 4, adjusting the balance plate 1 to reach the horizontal position, and fixing the arch when the arch connecting plate reaches the design angle;
and S4, taking down the arch connecting plate angle positioning device for guiding the installation of the next arch.
The arch center connecting plate angle positioning device and the angle positioning method break through the problem that quality defects of out-of-roundness, bulging, poor integral stress effect and the like at an arch center connecting plate caused by the fact that only a measurement lofting point is used for controlling the position of an arch center when the traditional arch center is installed, and the arch center connecting plate is not controlled, the installation difficulty of subsequent middle-step and lower-step arch centers is reduced, the work efficiency is improved, the cost is reduced, benefits are created, and meanwhile the requirements of the aspects of construction quality, construction period, civilized construction and the like are met.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. An arch center connecting plate angle positioning device is characterized by comprising an adjustable balance plate, a base and an angle adjusting assembly for adjusting the angle between the adjustable balance plate and the base;
the first end of the adjustable balance plate is hinged with the front surface of the base, the hinge axis is parallel to the base, and a leveling mechanism for judging whether the adjustable balance plate is in a horizontal state is arranged on the front surface or the back surface of the adjustable balance plate;
the back surface of the base is detachably attached and fixed with the arch frame connecting plate;
the angle adjusting assembly is arranged between the adjustable balance plate and the base and comprises a sliding block, a limiting piece and a connecting rod;
the sliding block is arranged on the base in a sliding mode, and the sliding direction of the sliding block is perpendicular to the hinge axis of the adjustable balance plate and the hinge axis of the base;
the limiting pieces are arranged on two sides of the sliding block and used for fixing the position of the sliding block;
two ends of the connecting rod are respectively hinged with the adjustable balance plate and the sliding block, and the hinge axis is parallel to the hinge axis of the adjustable balance plate and the hinge axis of the base.
2. The arch web angular positioning apparatus of claim 1, wherein the angle adjustment assembly further comprises an adjustment screw;
the adjusting screw rod is arranged on the base and penetrates through the unthreaded hole of the sliding block;
the limiting part is an adjusting nut in threaded fit with the adjusting screw rod.
3. The arch web angular positioning apparatus of claim 2, wherein the angle adjustment assembly further comprises a scale;
the scale is arranged on the base and penetrates through the sliding block.
4. The arch connecting plate angle positioning device of claim 3, wherein the back of the base is provided with a bolt for detachable connection with an arch connecting plate.
5. The arch connecting plate angle positioning device of claim 4, wherein the base is provided with a fixing screw hole and an adjusting screw hole;
the fixing screw holes are in a group and correspond to a group of through holes on the arch frame connecting plate;
the adjusting screw holes are in multiple groups, and one group of adjusting screw holes corresponds to the other group of through holes in the arch center connecting plate.
6. The arch web angular positioning device of claim 5, wherein the bolts are rubber bolts.
7. An arch bar angular positioning device according to any of claims 4-6, wherein the back of the base is fitted with a magnet, the surface of the magnet being flush with the back of the base.
8. The arch center connecting plate angle positioning device of claim 7, wherein the base, the adjustable balance plate and the slide block are respectively provided with a base hinge lug, a balance plate hinge lug and a slide block hinge lug;
the adjustable balance plate is hinged with the base hinge lug;
the both ends of connecting rod are articulated with balance plate hinge lug and slider hinge lug respectively.
9. An arch web angular positioning device according to claim 1, wherein the levelling means comprises a transverse levelling tube and a longitudinal levelling tube.
10. A method for angular positioning of an arch bar, characterized in that positioning is performed using the arch bar angular positioning device according to any one of claims 1 to 9, comprising the steps of:
s1, adjusting the position of the sliding block to make the angle between the adjustable balance plate and the base consistent with the design angle between the arch frame connecting plate and the horizontal plane, and fixing the position of the sliding block through a limiting piece;
s2, the back of the base is fixedly attached to the arch center connecting plate;
s3, adjusting the angle and position of the arch connecting plate, judging whether the adjustable balance plate reaches the horizontal position through a leveling mechanism, and when the adjustable balance plate reaches the horizontal position, the arch connecting plate also reaches the design angle to fix the arch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505456.9A CN111622786B (en) | 2020-06-05 | 2020-06-05 | Arch connecting plate angle positioning device and angle positioning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010505456.9A CN111622786B (en) | 2020-06-05 | 2020-06-05 | Arch connecting plate angle positioning device and angle positioning method |
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| CN111622786A true CN111622786A (en) | 2020-09-04 |
| CN111622786B CN111622786B (en) | 2022-06-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112924304A (en) * | 2021-01-27 | 2021-06-08 | 清华大学 | Free falling body impact experiment device and method |
| CN116891142A (en) * | 2023-09-08 | 2023-10-17 | 航天泰心科技有限公司 | Slope device |
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| CN108894800A (en) * | 2018-08-30 | 2018-11-27 | 中国建筑土木建设有限公司 | A kind of arch support system and its construction method based on sleeve connection |
| CN209852203U (en) * | 2019-02-25 | 2019-12-27 | 厦门市万弘晟太阳能科技有限公司 | Angle-adjustable fixing frame |
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2020
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| CN105134253A (en) * | 2015-07-09 | 2015-12-09 | 中铁十二局集团有限公司 | Tunnel inverted arch combined integrated template and method for concreting construction |
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| CN112924304A (en) * | 2021-01-27 | 2021-06-08 | 清华大学 | Free falling body impact experiment device and method |
| CN116891142A (en) * | 2023-09-08 | 2023-10-17 | 航天泰心科技有限公司 | Slope device |
| CN116891142B (en) * | 2023-09-08 | 2023-12-01 | 航天泰心科技有限公司 | Slope device |
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| CN111622786B (en) | 2022-06-14 |
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