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CN-224227794-U - Protective cylinder center positioning device

CN224227794UCN 224227794 UCN224227794 UCN 224227794UCN-224227794-U

Abstract

The utility model belongs to the technical field of pile foundation construction measuring tools, and discloses a pile casing center positioning device which comprises a supporting component, two clamping components, a positioning component and a leveling component, wherein the two clamping components are arranged at the bottom of the supporting component at intervals by taking the central axis of the supporting component as a symmetrical axis and can correspondingly clamp two opposite ends of the pile casing in the diameter direction, the positioning component comprises a positioning piece, a tape and a prism, the positioning piece is rotatably arranged at the top of the supporting component, the central axis of the positioning piece coincides with the central axis of the supporting component, the tape is arranged on the side wall of the positioning piece, the prism is vertically arranged at the central position of the top surface of the positioning piece, the leveling component comprises two groups of adjusting pieces and a first horizontal bubble instrument, the two groups of adjusting pieces correspond to the two clamping components, each group of adjusting pieces are clamped between the supporting component and the clamping components and can adjust the distance between the two adjusting pieces, and the first horizontal bubble instrument is arranged on the positioning piece. The utility model can efficiently and accurately position the center of the pile casing.

Inventors

  • ZHANG PENG
  • TIAN GUOWEI
  • REN DE
  • CAO LONG
  • YAN LICHAO
  • ZHANG HENG
  • ZHANG YAGE
  • LI MU
  • FENG XIN

Assignees

  • 中交路桥建设有限公司
  • 中交路桥华东工程有限公司

Dates

Publication Date
20260512
Application Date
20250516

Claims (10)

  1. 1. Pile casing center positioning device, its characterized in that includes: A support assembly (1); The two clamping assemblies (2) are symmetrically arranged at the bottom of the supporting assembly (1) at intervals by taking the central axis of the supporting assembly (1) as a symmetrical axis, and can correspondingly clamp two opposite ends of the protective cylinder (100) along the diameter direction; The positioning assembly (3) comprises a positioning piece (31), a tape measure (32) and a prism, wherein the positioning piece (31) is rotatably arranged at the top of the supporting assembly (1), the central axis of the positioning piece is coincident with the central axis of the supporting assembly (1), the tape measure (32) is arranged on the side wall of the positioning piece (31), and the prism is vertically arranged at the central position of the top surface of the positioning piece (31); Leveling subassembly (4), including two sets of regulating part (41) and first level bubble appearance (42), two sets of regulating part (41) are corresponding to two clamping component (2), every group regulating part (41) press from both sides and locate between supporting component (1) and its corresponding clamping component (2) and can adjust supporting component (1) with interval between clamping component (2), first level bubble appearance (42) set up in setting element (31).
  2. 2. The central positioning device of a casing according to claim 1, wherein the supporting component (1) comprises a supporting main body (11) and two support arms (12), the two support arms (12) are connected to two ends of the supporting main body (11) in the length direction in an adjustable mode, the two clamping components (2) are correspondingly arranged on the two support arms (12), and the positioning piece (31) is rotatably arranged on the supporting main body (11).
  3. 3. The casing centering device according to claim 2, characterized in that the support assembly (1) further comprises a locking member (13), the support body (11) is sleeved with the arm (12), and the locking member (13) is adjustably connected to the arm (12) and can abut against the support body (11).
  4. 4. The pile casing centering device according to claim 2, further comprising a telescopic graduated scale (5), wherein the telescopic graduated scale (5) comprises a fixed part and two telescopic parts, the two telescopic parts are slidably connected to two opposite ends of the fixed part along the length direction, the fixed part is connected to the supporting body (11), and the two telescopic parts are correspondingly connected to the two supporting arms (12).
  5. 5. The casing centering device according to claim 1, characterized in that the leveling assembly (4) further comprises a second level bubble meter (43), the second level bubble meter (43) being arranged on the top surface of the support assembly (1).
  6. 6. The pile casing center positioning device according to claim 1, wherein a first positioning groove (10) is formed in the top surface of the supporting component (1) along the length direction, a second positioning groove is formed in the width direction, the first positioning groove (10) is communicated with the second positioning groove, and an intersection point is a center point of the top surface of the supporting component (1).
  7. 7. The pile casing center positioning device according to claim 6, wherein the supporting component (1) is in a strip shape, the pile casing center positioning device further comprises an auxiliary positioning piece (6), the positioning piece (31) is rotatably arranged on the auxiliary positioning piece (6), the auxiliary positioning piece (6) is arranged at the top of the supporting component (1), the central axis of the auxiliary positioning piece is coincident with the central axis of the supporting component (1), two ends of the auxiliary positioning piece (6) protrude out of two opposite sides of the supporting component (1) along the width direction of the supporting component (1), a third positioning groove (61) is formed in the top surface of the auxiliary positioning piece (6) in a penetrating manner along the length direction, a fourth positioning groove (62) is formed in the penetrating manner along the width direction, and the intersection point of the third positioning groove (61) and the fourth positioning groove (62) is the central point of the top surface of the auxiliary positioning piece (6).
  8. 8. The casing centering device according to claim 1, characterized in that the adjusting member (41) comprises a fixed block and an adjusting knob, the fixed block is connected to the supporting assembly (1), the adjusting knob is rotatably arranged on the clamping assembly (2) and is provided with a screw portion, and the screw portion is screwed to the fixed block.
  9. 9. The pile casing centering device according to any one of claims 1-8, characterized in that the clamping assembly (2) comprises a limiting piece (21) and a fastening piece (22), the adjusting piece (41) is clamped between the limiting piece (21) and the supporting assembly (1), the limiting piece (21) is provided with a limiting groove (210), the pile casing (100) wall body can be inserted into the limiting groove (210) and abutted against the bottom of the limiting groove (210), the fastening piece (22) is adjustably connected to the limiting piece (21), and the fastening pieces (22) of the two clamping assemblies (2) can be abutted against the side walls of two opposite sides of the pile casing (100) in opposite directions.
  10. 10. The casing centering device of claim 9, wherein the fastener (22) is threaded to the limiter (21).

Description

Protective cylinder center positioning device Technical Field The utility model relates to the technical field of pile foundation construction measuring tools, in particular to a pile casing center positioning device. Background In the pile foundation construction process, the pile casing lofting is used as a primary and key link, and the accuracy of the pile casing lofting is directly related to the smoothness of subsequent construction and the quality of the whole engineering. However, the construction site environment is complex and changeable, and the construction site is influenced by factors such as uneven site pits, various obstacles around the site pits, poor weather conditions and the like, so that a great deal of uncertainty is filled in the pile casing lofting process. At present, a conventional central positioning device for pile casing lofting mostly adopts a measurement mode based on a total station matched with a prism rod. In actual operation, an operator needs to tie the safety belt, and the handheld prism rod shuttles on a construction site. The total station transmits signals, and the distance and angle are measured by reflecting the prism rod, so that the center position of the protective cylinder is determined. The center positioning device meets basic lofting requirements to a certain extent, and is widely applied to past pile foundation construction projects. However, rely on manual hand prism pole to fix a position, operating personnel need adjust prism pole position and angle repeatedly, and the operation degree of difficulty is big, and the consumption time is long to long-time manual holding easily leads to measuring personnel tired, influences measuring accuracy, is difficult to satisfy when high-efficient, accurate operation requirement down. Disclosure of utility model The utility model aims to provide a protective cylinder center positioning device which can efficiently and accurately position the protective cylinder center. To achieve the purpose, the utility model adopts the following technical scheme: pile casing center positioning device includes: A support assembly; The two clamping assemblies are symmetrically arranged at the bottom of the supporting assembly at intervals by taking the central axis of the supporting assembly as a symmetrical axis, and can correspondingly clamp two opposite ends of the protective cylinder along the diameter direction; the positioning assembly comprises a positioning piece, a tape measure and a prism, wherein the positioning piece is rotationally arranged at the top of the supporting assembly, the central axis of the positioning piece coincides with the central axis of the supporting assembly, the tape measure is arranged on the side wall of the positioning piece, and the prism is vertically arranged at the central position of the top surface of the positioning piece; Leveling subassembly, including two sets of regulating part and first level bubble appearance, two sets of regulating part corresponds two clamping assembly, every group regulating part presss from both sides to be located between supporting assembly and the clamping assembly that corresponds and can adjust supporting assembly with interval between the clamping assembly, first level bubble appearance set up in the setting element. Preferably, the support assembly comprises a support main body and two support arms, the two support arms are correspondingly connected to the two ends of the support main body in the length direction in an adjustable mode, the two clamping assemblies are correspondingly arranged on the two support arms, and the positioning piece is rotatably arranged on the support main body. Preferably, the support assembly further comprises a locking member, the support arm is sleeved on the support main body, and the locking member is adjustably connected to the support arm and can abut against the support main body. Preferably, the pile casing center positioning device further comprises a telescopic graduated scale, the telescopic graduated scale comprises a fixed part and two telescopic parts, the two telescopic parts are slidably connected with two opposite ends of the fixed part along the length direction, the fixed part is connected with the supporting main body, and the two telescopic parts are correspondingly connected with the two supporting arms. Preferably, the leveling assembly further comprises a second horizontal bubble instrument, and the second horizontal bubble instrument is arranged on the top surface of the supporting assembly. Preferably, the top surface of the supporting component is provided with a first positioning groove along the length direction, a second positioning groove along the width direction, the first positioning groove is communicated with the second positioning groove, and the intersection point is the center point of the top surface of the supporting component. Preferably, the supporting component is bar-shaped, the protectiv