CN115030182A - Control device for construction positioning and angle adjustment of prefabricated inclined strut in foundation pit - Google Patents
Control device for construction positioning and angle adjustment of prefabricated inclined strut in foundation pit Download PDFInfo
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- CN115030182A CN115030182A CN202210746756.5A CN202210746756A CN115030182A CN 115030182 A CN115030182 A CN 115030182A CN 202210746756 A CN202210746756 A CN 202210746756A CN 115030182 A CN115030182 A CN 115030182A
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- frame
- frame side
- telescopic rod
- guide rail
- foundation pit
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Mining & Mineral Resources (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The invention belongs to a control device for construction positioning and angle adjustment of a prefabricated inclined strut in a foundation pit, belonging to the field of auxiliary devices for construction of the prefabricated inclined strut in the foundation pit, and the technical scheme is as follows: the device comprises a chassis frame, an inclined telescopic rod with a hydraulic jack, a horizontal telescopic rod with a hydraulic jack and a steel support guide rail; the oblique telescopic rod, the horizontal telescopic rod and the steel support guide rail are hinged end to form a triangular structure in a vertical plane; the chassis frame comprises first to fourth frame sides, a second frame side and a third frame side which are parallel; the first frame side is vertical to the second frame side; the intersection point of the oblique telescopic rod and the horizontal telescopic rod is connected to the first frame edge, the intersection point of the horizontal telescopic rod and the steel support guide rail is arranged on the bearing rod, the bearing rod is parallel to the first frame edge, and the bearing rod can slide along the second frame edge and the third frame edge. The device is simple and convenient to operate, can accurately position and adjust the construction angle of the prefabricated inclined strut, and can be suitable for prefabricated inclined struts of various specifications and materials.
Description
Technical Field
The invention belongs to the field of auxiliary devices for construction of prefabricated diagonal braces in foundation pits, and particularly relates to a positioning and angle adjusting device for construction of prefabricated diagonal braces in foundation pits.
Background
With the acceleration of the urbanization process in China, the development and utilization of underground space are rapidly developed, and the prefabrication of the inclined strut in the protection measures of supporting, reinforcing and the like on the side wall and the periphery of the foundation pit is greatly developed. The prefabricated inclined strut is one kind of foundation pit inner support, after the construction of the vertical enclosure structure is completed and before the earthwork excavation, the prefabricated inner support body is obliquely constructed to the bottom stratum of the foundation pit, so that the bottom of the oblique inner support body forms a supporting point, the top of the oblique inner support body is connected with the vertical enclosure structure through a crown beam, finally a foundation pit oblique inner support system is formed in advance, then the foundation pit excavation is carried out, the oblique inner support body mostly adopts steel pipes, section steel, prefabricated pipe piles and a combination form of the steel pipes, the section steel, the prefabricated pipe piles and the section steel pipes, and the prefabricated pipe piles are used very widely in foundation pits of 1-2-layer basements due to the fact that the structure form is simple, the manufacturing cost is low, and the construction period is saved.
In prefabricated bracing work progress in the foundation ditch, most prefabricated bracing body is many to be inserted into soil through vibrations extractor slant, the insertion angle of bracing with mainly lean on people's naked eye to control and adjust, great deviation often appears in the dihedral angle that discovery bracing horizontal angle and bracing and enclosure constitute in the foundation ditch excavation process, bring very big hidden danger to quality control, follow-up construction and foundation ditch safety, so an urgent need a device can be adjusted prefabricated bracing body location and angle in the work progress. In the traditional design of the advanced prefabricated inclined strut, the specification diameter or the side length of the inclined strut is generally 300-600mm, and a device for adjusting the position and the angle of the supporting guide rail can be adopted to be matched with the supporting installation construction of different specifications, materials and angles.
Disclosure of Invention
In order to solve the technical problems, the invention provides a control device for construction positioning and angle adjustment of a precast diagonal brace in a foundation pit, which is simple and convenient to operate, can accurately position and adjust the construction angle of the precast diagonal brace, and is suitable for precast diagonal braces of various specifications and materials.
The technical scheme of the invention is as follows: a control device for construction positioning and angle adjustment of a prefabricated diagonal brace in a foundation pit comprises a chassis frame, an inclined telescopic rod with a hydraulic jack, a horizontal telescopic rod with the hydraulic jack and a steel support guide rail; the oblique telescopic rod, the horizontal telescopic rod and the steel support guide rail are hinged end to form a triangular structure in a vertical plane; the chassis frame comprises a first frame side, a second frame side, a third frame side and a fourth frame side; the second frame side and the third frame side are parallel; the first frame side is vertical to the second frame side; the intersection point of the oblique telescopic rod and the horizontal telescopic rod is connected to the first frame edge of the chassis frame, the intersection point of the horizontal telescopic rod and the steel support guide rail is arranged on the bearing rod, the bearing rod is parallel to the first frame edge, and the bearing rod can slide along the second frame edge and the third frame edge.
Based on the technical characteristics: the second frame edge and the third frame edge are respectively provided with a guide rail moving slideway, and two ends of the bearing rod are movably connected with the guide rail moving slideway through sliding bearings.
Based on the technical characteristics: the guide rail moving slideway is provided with a clamping position which can fix the moving position of the bearing rod.
Based on the technical characteristics: four corners of the chassis frame are provided with fixing anchor bolts.
Based on the technical characteristics: the section of the steel support guide rail is semicircular. The shape of the steel support guide rail can be determined according to prefabricated bracing of different types, for example, the prefabricated bracing is a steel pipe and a prefabricated pipe pile, and the section of the steel support guide rail can be semicircular.
The invention has the beneficial effects that: this prefabricated bracing construction auxiliary device in foundation ditch is light simple and easy, thereby the simple and easy hoist and mount machinery of accessible (if dig the machine, draw the machine) and artifical supplementary prefabricated bracing face and enclosure face perpendicular that remove, can realize the accurate control of prefabricated bracing insertion point and bracing insertion angle through adjustment horizontal telescopic link and slant telescopic link, replaced in the past and only leaned on artifical naked eye to adjust, improved the construction precision greatly, can effectively avoid the quality hidden danger, reduce the foundation ditch risk. The steel support guide rail is designed into a semi-circle shape, the size of the steel support guide rail can be matched with most prefabricated inclined struts on the market, such as steel pipes, prefabricated pipe piles, section steel and the like, and the steel support guide rail has strong applicability.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
The reference numbers in the figures are: 11-a first frame side; 12-a second frame side; 13-third frame side; 14-a fourth frame side; 2-fixing anchor bolts; 3, an oblique telescopic rod; 4-horizontal telescopic rod; 5-steel support rails; 6-guide rail moving slideway; 7-a plain bearing; 8-a bearing rod; 9-fixing anchor bolt supporting legs.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and are not intended to limit the present invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, the control device for construction positioning and angle adjustment of the precast diagonal brace in the foundation pit comprises a chassis frame, an inclined telescopic rod 3 with a hydraulic jack, a horizontal telescopic rod 4 with a hydraulic jack, and a steel support guide rail 5.
The oblique telescopic rod 3, the horizontal telescopic rod 4 and the steel support guide rail 5 are hinged end to form a triangular structure in a vertical plane; in the triangular structure, the length of the oblique telescopic rod 3 and the length of the horizontal telescopic rod 4 can be adjusted simultaneously, and the angles of the three angles can be adjusted mutually.
The chassis frame comprises a first frame side 11, a second frame side 12, a third frame side 13 and a fourth frame side 14; the second frame side 12 and the third frame side 13 are parallel; the first frame side 11 is perpendicular to the second frame side 12. The chassis steel frame can be welded by square steel pipes.
The intersection point of slant telescopic link 3 and horizontal telescopic link 4 is connected on chassis frame's first frame limit 11, and the intersection point of horizontal telescopic link 4 and steel support guide rail 5 is connected on bearing rod 8, and bearing rod 8 is parallel with first frame limit 11, and bearing rod 8 can slide along second frame limit 12 and third frame limit 13, specifically constructs to be: the second frame side 12 and the third frame side 13 are respectively provided with a guide rail moving slideway 6, and both ends of the bearing rod 8 are connected with the guide rail moving slideway 6 in a sliding way through sliding bearings 7. When the horizontal telescopic rod 4 contracts and extends, the horizontal telescopic rod can slide together with the bearing rod 8.
Furthermore, a clamping position can be arranged on the guide rail moving slideway 6, for example, a clamping groove can be arranged, and after the device is adjusted, the moving position of the steel bar fixed bearing rod 8 is inserted into the groove. Other conventional clamping measures can also be taken to fix the bearing rod 8. Typically, the hydraulic jack itself has a travel limit, so the detent means here is a further limit and protection of the movement of the bearing rod 8.
The cross section of the steel support guide rail 5 can be semicircular, so that the prefabricated inclined strut is convenient to support.
Four corners of the chassis frame extend out of fixed anchor bolt supporting legs 9, and the chassis frame is fixed on a construction site by adopting fixed anchor bolts 2.
The device mainly comprises the following operation steps:
1. and determining the construction angle and the position of the prefabricated inclined strut according to a design drawing of the prefabricated inclined strut in the foundation pit.
2. And (4) lofting the positioning points of the prefabricated inclined struts on the site by using a measuring instrument on the site.
3. Moving the device to a positioning point through auxiliary machinery such as a drawer or an excavator and the like, carrying out coarse position adjustment in cooperation with manual work, and pressing a fixing anchor bolt 2 into soil by using the excavator to fix the device; and adjusting the horizontal telescopic rod 4 and the oblique telescopic rod 3 to determine the position of the lower end of the steel support guide rail 5, so as to accurately align the positioning point.
4. The construction angle of the prefabricated inclined strut is adjusted through the inclined telescopic rod 3.
5. And (4) placing the prefabricated inclined strut on the steel support guide rail 5 by using a drawing machine, and starting to construct the prefabricated inclined strut. After the construction is finished, the fixed anchor bolt 2 is pulled up by using the excavator, and the device is moved to carry out the construction of the next prefabricated inclined strut.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a prefabricated bracing construction location and angular adjustment controlling means in foundation ditch which characterized in that: comprises a chassis frame, an inclined telescopic rod (3) with a hydraulic jack, a horizontal telescopic rod (4) with a hydraulic jack and a steel support guide rail (5);
the oblique telescopic rod (3), the horizontal telescopic rod (4) and the steel support guide rail (5) are hinged end to form a triangular structure in a vertical plane;
the chassis frame comprises a first frame side (11), a second frame side (12), a third frame side (13) and a fourth frame side (14); the second frame side (12) and the third frame side (13) are parallel; the first frame side (11) is perpendicular to the second frame side (12);
slant telescopic link (3) with the nodical connection of horizontal telescopic link (4) is in chassis frame on first frame limit (11), horizontal telescopic link (4) with the nodical setting of steel support guide (5) is on bearing bar (8), bearing bar (8) with first frame limit (11) are parallel, bearing bar (8) can along second frame limit (12) with third frame limit (13) slide.
2. The device for positioning construction and controlling angle adjustment of the precast diagonal brace in the foundation pit according to claim 1, characterized in that: the second frame side (12) and the third frame side (13) are respectively provided with a guide rail moving slide way (6), and two ends of the bearing rod (8) are connected with the guide rail moving slide way (6) in a sliding mode through sliding bearings (7).
3. The device for positioning construction and controlling angle adjustment of the precast diagonal brace in the foundation pit according to claim 2, characterized in that: the guide rail moving slide (6) is provided with a clamping position which can fix the moving position of the bearing rod (8).
4. The device for positioning construction and controlling angle adjustment of the precast diagonal brace in the foundation pit according to claim 1, characterized in that: and four corners of the chassis frame are provided with fixing anchor bolts (2).
5. The device for positioning construction and controlling angle adjustment of the precast diagonal brace in the foundation pit according to claim 1, characterized in that: the cross section of the steel support guide rail (5) is semicircular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210746756.5A CN115030182A (en) | 2022-06-17 | 2022-06-17 | Control device for construction positioning and angle adjustment of prefabricated inclined strut in foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210746756.5A CN115030182A (en) | 2022-06-17 | 2022-06-17 | Control device for construction positioning and angle adjustment of prefabricated inclined strut in foundation pit |
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| Publication Number | Publication Date |
|---|---|
| CN115030182A true CN115030182A (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210746756.5A Pending CN115030182A (en) | 2022-06-17 | 2022-06-17 | Control device for construction positioning and angle adjustment of prefabricated inclined strut in foundation pit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005677A (en) * | 2023-03-22 | 2023-04-25 | 中铁建工集团第二建设有限公司 | Slope positioning device based on underground excavation and use method |
-
2022
- 2022-06-17 CN CN202210746756.5A patent/CN115030182A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005677A (en) * | 2023-03-22 | 2023-04-25 | 中铁建工集团第二建设有限公司 | Slope positioning device based on underground excavation and use method |
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