CN111794235A - Guide frame for positioning steel casing - Google Patents
Guide frame for positioning steel casing Download PDFInfo
- Publication number
- CN111794235A CN111794235A CN202010695525.7A CN202010695525A CN111794235A CN 111794235 A CN111794235 A CN 111794235A CN 202010695525 A CN202010695525 A CN 202010695525A CN 111794235 A CN111794235 A CN 111794235A
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- CN
- China
- Prior art keywords
- positioning
- steel casing
- assembly
- steel
- laser
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D13/00—Accessories for placing or removing piles or bulkheads, e.g. noise attenuating chambers
- E02D13/04—Guide devices; Guide frames
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D5/00—Bulkheads, piles, or other structural elements specially adapted to foundation engineering
- E02D5/66—Mould-pipes or other moulds
- E02D5/665—Mould-pipes or other moulds for making piles
Abstract
The application relates to a guide frame for positioning a steel casing, and relates to the technical field of bridge construction. This leading truck includes support body and aligning gear, the support body includes two horizontal positioning frame that the interval aligns the setting from top to bottom, vertical interval is equipped with many locating levers between two horizontal positioning frame, equal interval is equipped with a plurality of adjusting part on each horizontal positioning frame, adjusting part is used for adjusting the position that the steel protected a section of thick bamboo, aligning gear includes locating component and alignment subassembly, alignment subassembly is used for locating on the platform at support body place, and be used for the central transmission at least two bundles of crossing laser towards the stake position, locating component is used for locating on the steel protected a section of thick bamboo and the central axis coincidence that a section of thick bamboo was protected to the steel, locating component is configured into: when the positioning component receives the laser emitted by the alignment component, the central axes of the positioning component and the pile position are coincided. The application provides a leading truck adjustment accuracy is high, and the regulation positioning accuracy who has solved leading truck among the correlation technique is lower, not enough audio-visual problem during the regulation.
Description
Technical Field
The application relates to the technical field of bridge construction, in particular to a guide frame for positioning a steel casing.
Background
At present, in bridge construction, a bridge pier is generally built by adopting a construction method of an underwater drilled pile, an inserting and beating steel pile casing is a key ring in the construction process, and after the steel pile casing contacts a seabed, a vibration hammer is hoisted to carry out inserting and beating operation on the steel pile casing until the inserting and beating depth of the steel pile casing meets the design requirement of a construction drawing. Wherein, the positioning quality of a steel protects a section of thick bamboo has directly decided the quality of pier, when inserting a higher steel and protecting a section of thick bamboo, will use double-deck leading truck to protect a section of thick bamboo to steel to lead and adjust usually to guarantee that a steel protects a center and pile position center coincidence.
In the related art, a guide frame is adopted to assist a steel casing to be placed and positioned, wherein an adjusting structure is generally arranged on the guide frame, and after the steel casing is placed in the guide frame, the steel casing is finely adjusted by using the adjusting structure until the steel casing coincides with the center of a pile position to meet the requirement.
However, an error exists between the actual position and the theoretical position of the steel casing in the adjusting process, and after the adjusting process is finished, the deviation of the plane position of the steel casing is strictly ensured to be less than 5 cm, and the deviation of the verticality is less than 1%, so that the drilling machine can smoothly work along the vertical direction of the pile position.
Disclosure of Invention
The embodiment of the application provides a leading truck for a steel protects a location to the regulation positioning accuracy of leading truck is lower among the solution correlation technique, not enough audio-visual problem during the regulation.
In a first aspect, a guide frame for positioning a steel casing is provided, which comprises:
the steel pile casing comprises a frame body, a plurality of steel pile casings and a plurality of steel pile casings, wherein the frame body comprises two horizontal positioning frames which are vertically aligned at intervals, a plurality of positioning rods are vertically arranged between the two horizontal positioning frames at intervals, and a plurality of adjusting assemblies are arranged on each horizontal positioning frame at intervals and used for adjusting the positions of the steel pile casings;
the aligning mechanism comprises a positioning assembly and an aligning assembly, the aligning assembly is used for being arranged on a platform where the frame body is located and is used for emitting at least two beams of crossed laser towards the center of a pile position, the positioning assembly is used for being arranged on the steel casing and the central axis of the positioning assembly coincides with the central axis of the steel casing, and the positioning assembly is configured to: when the positioning assembly receives the laser emitted by the alignment assembly, the central axes of the positioning assembly and the pile position are overlapped.
In some embodiments, the positioning assembly includes a first positioning member and a plurality of second positioning members having different sizes, the second positioning members are alternatively detachably disposed on the top of the steel casing and have central axes overlapping with the central axis of the steel casing, and the first positioning member is disposed at the central axis of the second positioning member and is configured to receive the laser emitted from the alignment assembly.
In some embodiments, the first positioning member comprises:
the positioning seat is detachably and rotatably arranged on the second positioning piece, and the central shaft of the positioning seat is superposed with the central shaft of the second positioning piece;
the positioning box is in a hollow square shape and covers the positioning seat, and the centers of at least two adjacent side surfaces on the periphery of the positioning box are respectively provided with a vertically arranged elongated positioning hole;
at least two laser sensor, two laser sensor all locates on the positioning seat and be located in the locating box for respectively receive aim at the corresponding laser of subassembly transmission, two laser sensor all is configured into: when the two laser sensors respectively receive the corresponding laser emitted by the alignment assembly, the central axis of the positioning seat is superposed with the central axis of the pile position.
In some embodiments, the side of the positioning box, where the positioning hole is formed, is coated with a layer of black paint, and the side is further provided with a first horizontal scale mark.
In some embodiments, the positioning rod is provided with a plurality of positioning grooves at intervals along the length direction thereof, and the positioning rod further comprises a fixing piece matched with the positioning grooves, wherein the fixing piece is detachably arranged in one of the positioning grooves to support and fix a horizontal positioning frame capable of moving along the length direction of the positioning rod.
In some embodiments, the horizontal positioning frame includes four channel steels, each two adjacent channel steels are vertically arranged to surround to form a fixing hole, each channel steel is stretchable along the length direction thereof, and a second horizontal scale mark is arranged on the stretchable overlapping portion.
In some embodiments, a level is disposed on the top of the positioning box.
In some embodiments, a voice control assembly is further arranged in the positioning box, the voice control assembly is connected with the laser sensors, and the voice control is used for sending an alignment prompt after all the laser sensors receive corresponding lasers.
In some embodiments, the adjusting assembly is detachably disposed on the channel steel, the adjusting assembly includes a driving member and a roller, a side surface of the roller is a curved surface that is concave toward an axial center direction of the roller, and the driving member is configured to drive the roller to move in a direction away from or close to the roller.
In some embodiments, a plurality of road wheels are arranged at intervals at the bottom of the horizontal positioning frame positioned below.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a leading truck for steel protects a location, and it includes locating component and alignment assembly, and alignment assembly locates on the platform at support body place to towards the center transmission at least two bunches of crossing laser of stake position, locating component locate on the steel protects a section of thick bamboo and the center pin coincidence of a section of thick bamboo is protected to the steel, when locating component received the laser of alignment assembly transmission, then acquiescence explains the center pin coincidence of locating component and stake position. Therefore, through the matching arrangement of the positioning assembly and the alignment assembly, whether the center of the steel casing coincides with the center of the pile position can be observed more visually in the adjustment process, the alignment precision is improved more obviously, and the assistance is provided for the construction of a subsequent bridge.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a top view of a guide frame for positioning a steel casing according to an embodiment of the present disclosure;
FIG. 2 is a schematic view taken at A-A of FIG. 1 of the present application;
FIG. 3 is a top view of a positioning assembly of a guide frame for positioning a steel casing according to an embodiment of the present application;
FIG. 4 is a side view of a first positioning member of a guide frame for positioning a steel casing according to an embodiment of the present application;
FIG. 5 is a schematic diagram of an adjustment assembly of a guide frame for positioning a steel casing according to an embodiment of the present application;
fig. 6 is a schematic view of a road wheel of a guide frame for positioning a steel casing provided in an embodiment of the application.
In the figure: 10-positioning rod, 11-horizontal positioning frame, 12-adjusting component, 13-fixing hole, 14-driving component, 15-roller, 16-walking wheel, 20-first positioning component, 21-second positioning component, 22-positioning seat, 23-positioning box, 24-positioning hole and 25-level gauge.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. 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 application.
The embodiment of the application provides a leading truck for a steel protects a location, and it is lower that it can solve the regulation positioning accuracy of leading truck among the correlation technique, not enough audio-visual problem during the regulation.
Referring to fig. 1, the support body includes two horizontal positioning frames 11 that the interval aligns the setting from top to bottom, and vertical interval is equipped with many locating levers 10 between two horizontal positioning frames 11, and equal interval is equipped with a plurality of adjusting part 12 on each horizontal positioning frame 11, and adjusting part 12 is used for adjusting the position of a steel casing to guarantee that the center pin of a steel casing can coincide with the center pin of pile position. The aligning gear mainly includes locating component and alignment component, and the alignment component is used for locating on the platform at support body place, and is used for launching two at least bunches of crossing laser towards the center of stake position, and the intersection point of different laser promptly is the center of stake position promptly, and locating component is used for locating on the steel protects a section of thick bamboo and central axis and the coincidence of the center pin of a steel section of thick bamboo, and locating component is configured into: when the positioning component receives the laser emitted by the alignment component, the central axes of the positioning component and the pile position are coincided. Because the positioning component is used for receiving laser, and the center of the positioning component coincides with the center of the steel casing, when the positioning component cannot completely receive the laser, the position of the steel casing is not adjusted, at the moment, the steel casing is adjusted by the adjusting component 12, the positioning component correspondingly adjusts the position, and when the position of the positioning component is adjusted to be capable of completely receiving the laser, the position of the steel casing is adjusted in place at the moment.
Further, the positioning assembly specifically comprises a first positioning member 20 and a plurality of second positioning members 21 with different sizes, the second positioning members 21 are selectively detachably arranged at the top of the steel casing, the central axis of the second positioning members 21 is overlapped with the central axis of the steel casing, and the first positioning member 20 is arranged at the central axis of the second positioning members 21 and is used for receiving laser emitted by the alignment assembly. The second positioning member 21 here includes at least two rods whose centers intersect at a point, from the viewpoint of structural stability, the number of the rods of the second positioning member 21 is 3, the 3 rods are all located on the same plane and are integrally formed at the center, and the second positioning members 21 with different sizes are used for adapting to steel casing cylinders with different directness.
Specifically, referring to fig. 3-4, the first positioning element 20 includes a positioning seat 22, a positioning box 23 and at least two laser sensors, wherein the positioning seat 22 is detachably rotated and disposed on the second positioning element 21, and a central axis thereof coincides with a central axis of the second positioning element 21, the positioning box 23 is in a hollow cube shape and covers the positioning seat 22, at least two adjacent side centers around the positioning box 23 are respectively provided with a vertically disposed elongated positioning hole 24, the two laser sensors are disposed on the positioning seat 22 and located in the positioning box 23, and are used for respectively receiving corresponding laser beams emitted by the alignment assembly, and the two laser sensors are all configured to: when the two laser sensors respectively receive the corresponding laser emitted by the alignment assembly, the central axis of the positioning seat 22 coincides with the central axis of the pile position. Therefore, the number of the positioning holes 24 corresponds to the number of the lasers, and since the steel casing is generally large in volume, from the viewpoint of accuracy, the alignment assembly emits four intersecting lasers towards the center of the pile position, the included angle between every two adjacent lasers is 90 degrees, and the number of the corresponding positioning holes 24 is 4. In addition, in order to receive laser conveniently, the horizontal plane of the positioning box 23 is higher than the top of the steel casing, and since the central axis of the steel casing may coincide with the central axis of the pile position, but the 4 positioning holes 24 are capable of receiving laser in a specific direction, the positioning seat 22 is rotated according to the alignment condition, so that adjustment is facilitated.
Furthermore, the side of the positioning box 23, which is provided with the positioning hole 24, is coated with a layer of black paint, and the side is also provided with a first horizontal scale mark. In the adjusting process, the laser can be received only when the positioning hole 24 in the positioning box 23 is aligned with the corresponding laser, so that the laser can fall on the side surface of the positioning box 23 at the initial adjusting stage, a layer of black paint is coated on the side surface of the positioning box 23 to help an adjuster to observe the position relation and the distance between the laser and the corresponding positioning hole 24, the adjuster can observe the position of the laser more intuitively, and in addition, the first horizontal scale line is perpendicular to the positioning hole 24 and can inform the adjuster of the approximate distance required to be adjusted.
Further, as shown in fig. 2, in order to adapt to the positioning of the steel casing cylinders with different heights and different diameters, the horizontal positioning frame 11 located above the guide frame is arranged on the positioning rod 10 in a penetrating manner and can move along the length direction of the positioning rod 10, the horizontal positioning frame 11 located below the guide frame is fixedly connected with the positioning rod 10, and the sizes of the two horizontal positioning frames 11 along the length direction and the width direction can be adjusted to adapt to the positioning of the steel casing cylinders with different sizes. Specifically, the positioning rod 10 is provided with a plurality of positioning grooves at intervals along the length direction thereof, each positioning rod 10 further includes a fixing member matched with the positioning grooves, and the fixing member is detachably disposed in one of the positioning grooves to support and fix the horizontal positioning frame 11 capable of moving along the length direction of the positioning rod 10. Mounting bilateral symmetry and adjacent one side are articulated each other, and top and bottom all are equipped with the chimb that extends outwards for support the fixed horizontal location frame 11 that is located the top, when the horizontal location frame 11 that is located the top needs the adjustment, along the position of locating lever 10 regulation horizontal location frame 11, and the position of corresponding regulation mounting. In addition, still be equipped with the detachable down tube between the locating lever 10, it is used for strengthening the stability between the overall structure, after whole leading truck installation is fixed, also can set up the connection stiffener between horizontal location frame 11 and locating lever 10, for the convenience of mediation personnel's coming, still be equipped with the cat ladder on the one side of horizontal location frame 11 that is located the top.
Further, horizontal location frame 11 includes four channel-section steels, and every two adjacent channel-section steels set up perpendicularly in order to form a fixed orifices 13 around forming, and each channel-section steel all extends its length direction and can stretch out and draw back, and is equipped with the horizontal scale mark of second on the flexible overlap portion section, and the regulating personnel of being convenient for adjust the length of channel-section steel according to the size of different steel casing.
Further, because the steel protects a section of thick bamboo and has certain height, and location box 23 can only fix a position the horizontal location frame 11 that is located the top again, therefore probably the steel protects a section of thick bamboo and can appear crooked problem, is equipped with a spirit level 25 at the top of location box 23, and whether the steel protects a section of thick bamboo through the better judgement of spirit level 25 ability is vertical, convenient regulation. In addition, a guardrail with a certain height is arranged on the horizontal positioning frame 11 above the horizontal positioning frame, so that the safety of adjusting personnel during adjustment is guaranteed.
Furthermore, a sound control assembly is further arranged in the positioning box 23, the sound control assembly is connected with the laser sensors, and the sound control assembly is used for sending an alignment prompt after all the laser sensors receive corresponding lasers, so that a regulator can be timely prompted to adjust the laser sensors in place.
Further, as shown in fig. 5, the adjusting assembly 12 is detachably disposed on the channel steel, the adjusting assembly 12 includes a driving member 14 and a roller 15, a side surface of the roller 15 is a curved surface that is concave toward an axial center direction thereof, and the curved surface matches with a side surface of the steel casing in size, and the driving member 14 is used for driving the roller 15 to move away from or close to itself.
Further, as shown in fig. 6, since the whole guide frame has a large volume and a heavy mass, a plurality of walking wheels 16 are arranged at intervals at the bottom of the horizontal positioning frame 11 located below, and the walking wheels 16 can be folded or put down, so as to facilitate the movement or position adjustment of the guide frame.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A leading truck for steel casing location, its characterized in that, it includes:
the steel casing support comprises a support body, a support body and a support frame, wherein the support body comprises two horizontal positioning frames (11) which are vertically aligned at intervals, a plurality of positioning rods (10) are vertically arranged between the two horizontal positioning frames (11) at intervals, a plurality of adjusting assemblies (12) are arranged on each horizontal positioning frame (11) at intervals, and the adjusting assemblies (12) are used for adjusting the position of a steel casing;
the aligning mechanism comprises a positioning assembly and an aligning assembly, the aligning assembly is used for being arranged on a platform where the frame body is located and is used for emitting at least two beams of crossed laser towards the center of a pile position, the positioning assembly is used for being arranged on the steel casing and the central axis of the positioning assembly coincides with the central axis of the steel casing, and the positioning assembly is configured to: when the positioning assembly receives the laser emitted by the alignment assembly, the central axes of the positioning assembly and the pile position are overlapped.
2. A guide frame for positioning a steel casing according to claim 1, wherein: the positioning assembly comprises a first positioning piece (20) and a plurality of second positioning pieces (21) with different sizes, one of the second positioning pieces (21) is detachably used for being arranged at the top of the steel casing, the central axis of the second positioning piece is overlapped with the central axis of the steel casing, and the first positioning piece (20) is arranged at the central axis of the second positioning piece (21) and used for receiving laser emitted by the alignment assembly.
3. A guide frame for the positioning of a steel casing according to claim 2, characterized in that said first positioning element (20) comprises:
the positioning seat (22) is detachably arranged on the second positioning piece (21) in a rotating mode, and the central shaft of the positioning seat is overlapped with the central shaft of the second positioning piece (21);
the positioning box (23) is in a hollow square shape and covers the positioning seat (22), and the centers of at least two adjacent side surfaces on the periphery of the positioning box (23) are respectively provided with a vertically arranged elongated positioning hole (24);
at least two laser sensors, two said laser sensors all locate on positioning seat (22) and be located location box (23) for respectively receive the corresponding laser of aiming at the subassembly transmission, two said laser sensors all are configured into: when the two laser sensors respectively receive corresponding laser emitted by the alignment assembly, the central axis of the positioning seat (22) is superposed with the central axis of the pile position.
4. A guide frame for positioning a steel casing according to claim 3, wherein: the side face, provided with the positioning hole (24), of the positioning box (23) is coated with a layer of black coating, and the side face is also provided with a first horizontal scale mark.
5. A guide frame for positioning a steel casing according to claim 1, wherein: the positioning rod (10) is provided with a plurality of positioning grooves at intervals along the length direction of the positioning rod, the positioning rod (10) further comprises a fixing piece matched with the positioning grooves, and the fixing piece is detachably arranged in one of the positioning grooves to support and fix a horizontal positioning frame (11) which can move along the length direction of the positioning rod (10).
6. A guide frame for positioning a steel casing according to claim 1, wherein: horizontal location frame (11) include four channel-section steels, every adjacent two the channel-section steel sets up perpendicularly in order to form a fixed orifices (13) around, each the channel-section steel all extends its length direction and can stretch out and draw back, and is equipped with the horizontal scale mark of second on the flexible overlap subsection.
7. A guide frame for positioning a steel casing according to claim 3, wherein: the top of the positioning box (23) is provided with a level gauge (25).
8. A guide frame for positioning a steel casing according to claim 3, wherein: still be equipped with the acoustic control subassembly in location box (23), the acoustic control subassembly links to each other with laser sensor, the acoustic control spare is used for all laser sensor all receives the laser of correspondence and then sends the suggestion of aiming at.
9. A guide frame for positioning a steel casing according to claim 6, wherein: the adjusting assembly (12) is detachably arranged on the channel steel, the adjusting assembly (12) comprises a driving piece (14) and a roller (15), the side surface of the roller (15) is a curved surface which is concave towards the axis direction, and the driving piece (14) is used for driving the roller (15) to move towards the direction far away from or close to the roller (15).
10. A guide frame for positioning a steel casing according to claim 1, wherein: a plurality of travelling wheels (16) are arranged at the bottom of the lower horizontal positioning frame (11) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695525.7A CN111794235A (en) | 2020-07-20 | 2020-07-20 | Guide frame for positioning steel casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695525.7A CN111794235A (en) | 2020-07-20 | 2020-07-20 | Guide frame for positioning steel casing |
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| Publication Number | Publication Date |
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| CN111794235A true CN111794235A (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010695525.7A Pending CN111794235A (en) | 2020-07-20 | 2020-07-20 | Guide frame for positioning steel casing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376564A (en) * | 2020-11-04 | 2021-02-19 | 海宁市宏顺设备租赁有限公司 | Fixing and protecting device suitable for building piles of different specifications |
| CN113006066A (en) * | 2021-03-09 | 2021-06-22 | 中建三局集团有限公司 | Accurate guiding and positioning device for prefabricated rectangular pile and construction method thereof |
| CN113502819A (en) * | 2021-07-05 | 2021-10-15 | 五冶集团上海有限公司 | Steel casing positioning device and steel casing mounting method |
| CN113668406A (en) * | 2021-09-26 | 2021-11-19 | 河南国基建设集团有限公司 | Municipal construction prefabricated pier erecting device and erecting method thereof |
| CN114753368A (en) * | 2022-04-21 | 2022-07-15 | 中交第二航务工程局有限公司 | Guide positioning support for ultra-long lock catch steel pipe pile and use method thereof |
-
2020
- 2020-07-20 CN CN202010695525.7A patent/CN111794235A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376564A (en) * | 2020-11-04 | 2021-02-19 | 海宁市宏顺设备租赁有限公司 | Fixing and protecting device suitable for building piles of different specifications |
| CN112376564B (en) * | 2020-11-04 | 2021-11-19 | 海宁市宏顺设备租赁有限公司 | Fixing and protecting device suitable for building piles of different specifications |
| CN113006066A (en) * | 2021-03-09 | 2021-06-22 | 中建三局集团有限公司 | Accurate guiding and positioning device for prefabricated rectangular pile and construction method thereof |
| CN113502819A (en) * | 2021-07-05 | 2021-10-15 | 五冶集团上海有限公司 | Steel casing positioning device and steel casing mounting method |
| CN113668406A (en) * | 2021-09-26 | 2021-11-19 | 河南国基建设集团有限公司 | Municipal construction prefabricated pier erecting device and erecting method thereof |
| CN114753368A (en) * | 2022-04-21 | 2022-07-15 | 中交第二航务工程局有限公司 | Guide positioning support for ultra-long lock catch steel pipe pile and use method thereof |
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