CN107090846B - Device and method for inserting angle steel for straight-digging and inclined-inserting type digging foundation - Google Patents
Device and method for inserting angle steel for straight-digging and inclined-inserting type digging foundation Download PDFInfo
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- CN107090846B CN107090846B CN201710481632.8A CN201710481632A CN107090846B CN 107090846 B CN107090846 B CN 107090846B CN 201710481632 A CN201710481632 A CN 201710481632A CN 107090846 B CN107090846 B CN 107090846B
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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Abstract
The invention discloses a device and a method for inserting angle steel for a straight and inclined inserting type digging foundation, which solve the problems of complex angle steel inserting process and low precision rate in the prior art, have the beneficial effects of reducing the fault rate in inserting angle steel control and avoiding foundation rework caused by inserting angle steel control fault, and have the following scheme: the device is digging the braced frame at foundation ditch top including being used for setting up drawing, and braced frame center cavity sets up, and braced frame is equipped with the backup pad that is used for supporting the angle steel, and the backup pad is the setting of V type structure, and the backup pad both ends are inboard fixed with braced frame respectively, and the backup pad passes through the rotation axis and is fixed with braced frame, is equipped with the crossbeam in one side of braced frame backup pad, sets up the control line that is used for adjusting the backup pad angle between crossbeam and the backup pad.
Description
Technical Field
The invention relates to the field of construction operation of extra-high voltage transmission line foundations, in particular to a device and a method for inserting angle steel for a straight-digging and inclined-inserting type digging foundation.
Background
With the rapid development of the power transmission and transformation industries of various countries, the technological innovation level of the power transmission and transformation industries is gradually improved. The self-supporting tower insertion angle steel foundation has the advantages of no need of installing foundation bolts and tower foot plates, simple structure, more reasonable foundation stress and the like, so that the foundation can be widely applied to power transmission and transformation projects in various countries.
The precise control of the inserted angle steel in the construction process of the self-supporting tower insertion angle steel foundation is always a difficult point and a key technical control factor in the construction process, the fixed control of the inserted angle steel at the present stage mainly adopts a method that a main angle steel bottom end is connected with a dummy leg and is fixedly prolonged on the bottom of the foundation, and the two sides of the inserted angle steel are fixedly arranged on an auxiliary pile outside a foundation construction point by using a turnbuckle stay wire at the upper part.
Therefore, a new research and design on a device and a method for inserting angle steel for a straight-digging and inclined-digging foundation are needed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the device for inserting the angle steel for the straight-digging and inclined-inserting type digging foundation, which has a simple structure, can improve the inserting precision of the angle steel and avoids the reworking of the foundation caused by the control fault of inserting the angle steel.
The specific scheme of the device for inserting the angle steel for the straight-digging and inclined-digging foundation is as follows:
the utility model provides a draw formula of drawing to one side and draw to dig basis with device of inserting angle steel, includes:
the supporting frame is used for setting up digging the braced frame at foundation ditch top, and braced frame center cavity sets up, and braced frame is equipped with the backup pad that is used for the angle steel of support, and the backup pad is the setting of V type structure, and the backup pad both ends are fixed with the braced frame inboard respectively, and the backup pad passes through the rotation axis and is fixed with braced frame, is equipped with the crossbeam in one side of braced frame backup pad, sets up the regulation line that is used for adjusting the backup pad angle between crossbeam and the backup pad.
Above-mentioned device is through locating braced frame foundation ditch department, carry out preliminary fixed to the angle steel that will fix by the backup pad, when the angle steel incline is great, can realize just also the regulation to the angle steel angle of backup pad angle through the regulating wire, angle steel male angle requirement has effectively been guaranteed, height through adjustment braced frame, can realize the adjustment to angle steel height requirement, the backup pad plays the effect of a preliminary location to the angle steel, after the angle steel position is confirmed, by the fixed connection that can realize with the angle steel, whole device realizes fixed and location integration configuration, compact structure.
Wherein, in order to realize the adjustment of regulation line angle, the regulation line with the crossbeam be connected through articulated mode, made things convenient for the adjustment of regulation line angle.
The both sides of backup pad are equipped with at least one rectangular hole respectively, and the angle steel is connected with the backup pad through rectangular hole, and adjacent rectangular hole is parallel to each other and sets up, and rectangular hole can satisfy the fixed of different specification angle steels and backup pad.
In order to stably adjust the supporting plate, the adjusting line is a rigid connecting line.
The adjusting line comprises two connecting bolts and a connecting ring, one connecting bolt is connected with the cross beam, the other connecting bolt is connected with the supporting plate, the two connecting bolts penetrate through the connecting ring from the two ends of the connecting ring and then are fixed through nuts, and when the inclination angle of the supporting plate is adjusted, the relative position between the connecting bolts and the connecting ring can be adjusted and then fixed.
In order to facilitate the adjustment of the height of the supporting frame, the supporting frame is connected with the supporting column with adjustable height.
Specifically, the two ends of one side of the supporting frame are respectively provided with a sleeve, the supporting columns are arranged in the sleeves, the periphery of the middle of the other side of the supporting frame is also provided with a sleeve, the supporting columns are arranged in the sleeves, and the height of the supporting frame can be adjusted by adjusting the height of the supporting columns relative to the sleeves.
The support column is equipped with the trompil that is used for the bolt to pass, and the support column bottom is equipped with the support claw, and when using, the support claw is buried underground in the below ground in order to guarantee the support stability of whole device, highly adjusted the back at the support column, is connected with the support column through the bolt, carries out the affirmation of height, and the trompil can be equipped with a plurality ofly, and at different heights, the bolt cooperates with the trompil of difference.
The backup pad is equipped with a plurality of bolt holes, the bolt hole with the rotation axis cooperation in order to adjust the height of backup pad, the further adjustment to the angle steel height of being convenient for is provided to the setting of this structure, if the angle steel height is unsatisfactory, then the position of adjustment backup pad, again through rotation axis and bolt hole cooperation can.
In order to overcome the defects of the prior art, the invention also provides a method for improving the angle steel insertion precision of the straight and inclined digging foundation, which comprises the following steps:
1) Cleaning the periphery of the excavated foundation pit;
2) Placing a device for inserting angle steel for a straight-digging and inclined-digging foundation on the foundation pit;
3) Hoisting the assembled insertion angle steel into a foundation pit by adopting a truck-mounted crane matched with a site, preliminarily fixing the angle steel and the supporting plate, preliminarily adjusting the elevation and the inclination of the front side surface of the insertion angle steel according to design requirements, and firmly fixing the insertion angle steel after the preliminary adjustment;
the elevation of the angle steel is measured by a total station; the inclination of the right side surface and the inclination of the diagonal of each insert angle steel are subjected to rapid modular standard measurement by adopting an inclination standard template in cooperation with a leveling rod and a heavy hammer; when the inclination of the front side surface of the inserted angle steel is measured by adopting a horizontal template matched with a heavy hammer, wherein the horizontal template comprises five sides, two sides of the horizontal template can be attached to two sides of the angle steel, during measurement, two sides of the horizontal template are attached to the inner side of the angle steel, the inclination angle of the front side surface is measured by matching the heavy hammer, the included angle of the two sides of the horizontal template is the same as the included angle of the angle steel, measuring points with different inclination angles are arranged on the horizontal template, and when the heavy hammer and the required measuring point are in the same straight line, the surface meets the requirement of a set drawing, which indicates that the requirement is met; and a second template is matched with the heavy hammer for inserting the diagonal gradient of the angle steel, one side of the second template can be arranged by being attached to the outer side surface of the angle steel, the second template is also provided with a standard point, and whether the diagonal gradient meets the requirement or not is determined according to the positions of the standard point and the heavy hammer.
4) The angle steel inclination angle is accurately measured by adopting a setting device, and if the angle steel inclination angle does not meet the requirement, the angle steel inclination angle is controlled again by an adjusting piece;
5) After the adjustment is finished, concrete pouring is carried out, and after the concrete pouring is finished, retesting is carried out on the height of the inserted angle steel and the gradient control of the front side;
6) After the concrete placement set time, demolish a device that directly draws the formula of inserting to one side and draw and dig basis with inserting angle steel.
Compared with the prior art, the invention has the beneficial effects that:
1) The inserted angle steel in the foundation construction is effectively controlled and adjusted accurately, and the control precision of the inserted angle steel is improved;
2) The device special for accurately controlling the inserted angle steel of the straight-cut inclined-insertion type cut foundation has a simple structure, realizes a fixing and positioning integrated configuration design scheme, greatly reduces the fault rate in the control of the inserted angle steel, and avoids the reworking of the foundation caused by the control fault of the inserted angle steel;
3) The design requirements of the inserted angle steel on different exposed heights of the upper part of the foundation can be met, the adjustment can be carried out according to the elevation requirements of each tower foot of the foundation in the construction process, and the adjustment control of the inserted angle steel of the unequal-height foundation is particularly beneficial;
4) The whole-process accurate control of inserting the angle steel is realized in the whole construction process, and the stability is strong.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic view of the apparatus of the present invention;
FIG. 2 is a schematic structural view of a support plate;
fig. 3 is a schematic view of the structure of the adjustment line.
In the figure: 1. the device comprises a supporting frame, 2 parts of supporting plates, 3 parts of adjusting lines, 4 parts of sleeves, 5 parts of supporting columns, 6 parts of supporting claws, 7 parts of cross beams, 8 parts of strip holes, 9 parts of rotating shafts, 10 parts of connecting rings and 11 parts of connecting bolts.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As described in the background art, the prior art has shortcomings, and in order to solve the above technical problems, the present application provides a device and a method for inserting angle steel for a straight digging and inclined inserting type digging foundation.
In an exemplary embodiment of the present application, as shown in fig. 1, an apparatus for vertically and obliquely digging an insertion angle iron for a foundation includes: a braced frame 1 for setting up digging the foundation ditch top, braced frame 1 has length and width of settlement, be the frame shape structure, braced frame 1 is equipped with backup pad 2 that is used for supporting the angle steel, backup pad 2 is the setting of V type structure, the contained angle of backup pad 2 is unanimous with the angle steel's angle, 2 both ends of backup pad are fixed with braced frame 1 inboard respectively, and backup pad 2 is fixed with braced frame 1 through rotation axis 9, one side at braced frame 1 backup pad 2 is equipped with crossbeam 7, set up the control line 3 that is used for adjusting backup pad 2 angle between crossbeam 7 and the backup pad 2.
Above-mentioned device is through locating braced frame 1 in foundation ditch department, carry out preliminary fixed by backup pad 2 to the angle steel that will fix, when the angle steel incline when great, can realize just also being the regulation to the angle steel angle to backup pad 2 angles through adjustment line 3, angle steel male angle requirement has effectively been guaranteed, height through adjustment braced frame 1, can realize the adjustment to the angle steel altitude requirement, after the position of angle steel is confirmed, the angle steel is stabilized with the backup pad and is fixed, can realize the fixed integration configuration to the angle steel, whole device realizes the fixed and location of angle steel.
Wherein, in order to realize the adjustment of 3 angles of regulation line, regulation line 3 with crossbeam 7 be connected through articulated mode, made things convenient for the adjustment of 3 angles of regulation line.
At least one strip hole 8 is respectively arranged on two sides of the supporting plate 2, as shown in fig. 2, the angle steel is connected with the supporting plate 2 through the strip hole 8, the adjacent strip holes 8 are arranged in parallel, and the strip holes 8 can meet the fixation of the angle steel with different specifications and the supporting plate 2.
In order to stably adjust the support plate 2, the adjustment line 3 is a rigid connection line.
The adjusting line 3 comprises two connecting bolts 11 and a connecting ring 10, one connecting bolt 11 is connected with the cross beam 7, the other connecting bolt 11 is connected with the supporting plate 2, the two connecting bolts 11 respectively penetrate through the connecting ring 10 from two ends of the connecting ring 10 and then are fixed through nuts, and when the inclination angle of the supporting plate 2 is adjusted, the relative position between the connecting bolts 11 and the connecting ring 10 can be adjusted and then fixed.
In order to facilitate the height adjustment of the support frame 1, the support frame 1 is connected to a height-adjustable support column 5.
Specifically, the both ends of braced frame 1 one side are equipped with a sleeve 4 respectively, are equipped with in the sleeve 5 support column 5, the periphery in braced frame 1 opposite side middle part sets up a sleeve equally, sets up the support column in the sleeve, through the adjustment support column for telescopic height, can realize braced frame's altitude mixture control.
The device in the embodiment has the following advantages:
1) The device has simple structure, easy processing and manufacturing and low manufacturing cost;
2) The fixing and positioning integrated configuration design scheme is realized through the arrangement of the connecting plate adjusting piece, the structure is compact, the safety and the reliability are realized, and the failure rate is low;
3) The design requirements of the insertion angle steel on different heights exposed at the upper part of the foundation can be met, the adjustment can be carried out according to the elevation requirements of each tower foot of the foundation in the construction process, and the adjustment control of the insertion angle steel of the unequal-height foundation is particularly beneficial;
4) Only the inserted angle steel needs to be initially adjusted and finely adjusted in the construction process, the inserted angle steel is adjusted in place once before concrete pouring, and secondary adjustment is not needed subsequently, so that the construction work efficiency can be greatly improved, and the construction investment is saved;
5) The device directly forms a uniform and stable stress whole with the inserted angle steel, the inserted angle steel cannot be destabilized and fall off, and the construction safety is improved;
6) The whole process of inserting the angle steel is accurately controlled in the whole construction process, so that the foundation rework is avoided, and the engineering quality is improved;
7) After the foundation pit is excavated, the inserted angle steel can be quickly installed for concrete pouring, so that safety and quality events such as foundation pit collapse are effectively avoided;
8) The device is convenient to install, simple and quick to operate, effectively saves manpower and material resources, and reduces the construction cost.
In order to overcome the defects of the prior art, the invention also provides a method for improving the insertion precision of the angle steel by a straight and inclined insertion type digging foundation, which comprises the following steps:
1) Cleaning the periphery of the excavated foundation pit, wherein the periphery of the foundation pit is not required to be completely leveled during cleaning, and only the arrangement position of the support claw is leveled;
2) The device for inserting the angle steel for the straight-digging and inclined-inserting type digging foundation is placed on the foundation pit, and the device can be assembled on the foundation pit on site and then arranged on the foundation pit, or the device is integrally transported to a tower position after the assembly is finished;
3) Hoisting the assembled insertion angle steel to a foundation pit by adopting a vehicle-mounted crane matched with a site, wherein the sling still needs to bear force, the angle steel and the support plate are preliminarily fixed, the elevation and the front side inclination of the insertion angle steel are preliminarily adjusted according to design requirements, the angle steel is firmly fixed after the preliminary adjustment, and the sling can be cancelled to bear force at the moment to finish the hoisting of the insertion angle steel;
the elevation of the angle steel is measured by a total station;
4) The angle steel inclination angle is accurately measured by adopting a setting device, and if the angle steel inclination angle does not meet the requirement, the angle steel inclination angle is controlled again by an adjusting piece;
5) After the adjustment is finished, concrete pouring is carried out, and after the concrete pouring is finished, retesting is carried out on the height of the inserted angle steel and the gradient control of the front side;
direct impact on a special device is avoided as much as possible in the concrete pouring process, and when strong impact is applied and obvious displacement occurs, the inserted angle steel needs to be finely adjusted again;
6) After the concrete placement settlement time, demolish a device of directly drawing the formula of drawing to dig the base of inserting the angle steel to the angle, need maintain, maintain and cyclic utilization to the device after demolising.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (4)
1. The utility model provides a draw formula of inserting to one side to draw and dig basis and draw device of angle steel, its characterized in that includes:
the supporting frame is used for being arranged at the top of the excavated foundation pit and is provided with a supporting plate for supporting angle steel, the supporting plate is arranged in a V-shaped structure, two ends of the supporting plate are respectively fixed with the inner side of the supporting frame, the supporting plate is fixed with the supporting frame through a rotating shaft, a cross beam is arranged on one side of the supporting plate of the supporting frame, and a regulating line for regulating the angle of the supporting plate is arranged between the cross beam and the supporting plate; the adjusting line is in rigid connection and comprises two connecting bolts and a connecting ring, one connecting bolt is connected with the cross beam, the other connecting bolt is connected with the supporting plate, the two connecting bolts respectively penetrate through the connecting ring from two ends of the connecting ring and then are fixed through nuts, and when the inclination angle of the supporting plate is adjusted, the relative position between the connecting bolts and the connecting ring can be adjusted and then the connecting bolts and the connecting ring are fixed;
two sides of the supporting plate are respectively provided with at least one elongated hole, and the angle steel is connected with the supporting plate through the elongated holes; the supporting frame is connected with the supporting columns with adjustable heights; two ends of one side of the supporting frame are respectively provided with a sleeve, and the supporting column is arranged in each sleeve; the support column is provided with a hole for the bolt to pass through, and the bottom of the support column is provided with a support claw.
2. The device for inserting angle steel for straight and inclined digging foundation according to claim 1, wherein said adjusting line is connected with said cross beam by means of hinge.
3. The device for vertically and obliquely digging insertion angle iron for foundation according to claim 1, wherein the supporting plate is provided with a plurality of bolt holes, and the bolt holes are matched with the rotating shaft to adjust the height of the supporting plate.
4. The method for improving the insertion accuracy of the angle steel for the straight-digging and inclined-digging foundation is characterized by comprising the following steps of:
1) Cleaning the periphery of the excavated foundation pit;
2) Placing a device for inserting angle steel for a straight and inclined type digging foundation according to any one of claims 1-3 above a foundation pit;
3) Hoisting the assembled insertion angle steel into a foundation pit by adopting a truck-mounted crane matched with a site, preliminarily fixing the angle steel and the supporting plate, preliminarily adjusting the elevation and the inclination of the front side surface of the insertion angle steel according to design requirements, and firmly fixing the insertion angle steel after the preliminary adjustment;
4) The angle steel inclination angle is accurately measured by adopting a setting device, and if the angle steel inclination angle does not meet the requirement, the angle steel inclination angle is controlled again by an adjusting piece;
5) After the adjustment is finished, concrete pouring is carried out, and after the concrete pouring is finished, retesting is carried out on the height of the inserted angle steel and the gradient control of the front side;
6) After the concrete pouring is set for a certain time, a device for directly digging and obliquely digging the foundation and inserting the angle steel is dismantled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481632.8A CN107090846B (en) | 2017-06-22 | 2017-06-22 | Device and method for inserting angle steel for straight-digging and inclined-inserting type digging foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710481632.8A CN107090846B (en) | 2017-06-22 | 2017-06-22 | Device and method for inserting angle steel for straight-digging and inclined-inserting type digging foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107090846A CN107090846A (en) | 2017-08-25 |
| CN107090846B true CN107090846B (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710481632.8A Active CN107090846B (en) | 2017-06-22 | 2017-06-22 | Device and method for inserting angle steel for straight-digging and inclined-inserting type digging foundation |
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| Country | Link |
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| CN (1) | CN107090846B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2939811B1 (en) * | 2008-12-16 | 2016-10-28 | Roger Bollini | ANCHORING DEVICE ON THE GROUND OF A POST OR A FOOT OF UMBRELLA EQUIPPED WITH AN EMPTY POUCH ANTI-THEFT POUCH AND A QUICK EXTRACTION SYSTEM |
| CN203891061U (en) * | 2014-06-11 | 2014-10-22 | 葛洲坝集团电力有限责任公司 | Adjusting device for high-low leg oblique inserting type angle steel foundation |
| CN106088128A (en) * | 2016-06-28 | 2016-11-09 | 青海送变电工程公司 | A kind of stub-angle-inserted foundation construction method |
| CN207277357U (en) * | 2017-06-22 | 2018-04-27 | 中国电建集团山东电力建设第一工程有限公司 | A kind of straight device for drawing angle-inserting type digging foundation inserted angle steel |
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- 2017-06-22 CN CN201710481632.8A patent/CN107090846B/en active Active
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| CN107090846A (en) | 2017-08-25 |
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