CN216948469U - Bored pile straightness detection device that hangs down - Google Patents
Bored pile straightness detection device that hangs down Download PDFInfo
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- CN216948469U CN216948469U CN202220390335.9U CN202220390335U CN216948469U CN 216948469 U CN216948469 U CN 216948469U CN 202220390335 U CN202220390335 U CN 202220390335U CN 216948469 U CN216948469 U CN 216948469U
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Abstract
The utility model relates to the technical field of cast-in-situ bored piles, in particular to a device for detecting the verticality of a cast-in-situ bored pile, which comprises a measuring upright rod and a first measuring disc arranged at the top end of the measuring upright rod, wherein the lower end of the first measuring disc is provided with a second measuring disc, the second measuring disc is sleeved on the surface of the measuring upright rod, the outer side of the first measuring disc is provided with an external limiting ring, measuring arm rods are arranged between the first measuring disc and the second measuring disc, three groups of guiding straight rods are arranged on the surface of each guiding straight rod, a horizontal measuring part is sleeved on the surface of each guiding straight rod, a return spring is sleeved on the surface of each guiding straight rod, the first measuring disc comprises a first disc body and a movable long groove arranged on the side vertical surface of the first disc body, one end of each guiding straight rod is connected with the inner bottom surface of the movable long groove, when the pile hole is in the process, the three groups of measuring arm rods are always vertical, the detection verticality of the pile hole is qualified, and when the pile hole is in the process, and if the three groups of measuring arm rods cannot keep vertical, the verticality detection of the pile hole is unqualified.
Description
Technical Field
The utility model relates to the technical field of cast-in-situ bored piles, in particular to a device for detecting the verticality of a cast-in-situ bored pile.
Background
The cast-in-situ bored pile is a pile formed by forming a pile hole in foundation soil through mechanical drilling, steel pipe soil extrusion or manual excavation on an engineering site, placing a reinforcement cage and pouring concrete in the pile hole, and can be classified into a immersed tube cast-in-situ pile, a cast-in-situ bored pile and the like according to different hole forming methods.
The straightness that hangs down of bored concrete pile is direct to the whole operation of construction process, even slight slope appears in the stake hole, the reinforcing bar pipe just can receive great separation power at the in-process that lets in the stake hole, consequently before the start work, need detect the straightness that hangs down in stake hole, but current straightness detection device that hangs down is heavy in a large number, and expensive and portable not convenient for.
To the above problems, a device for detecting the verticality of a cast-in-situ bored pile is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for detecting the verticality of a cast-in-situ bored pile, which is used for working, so that the problem that the verticality of the cast-in-situ bored pile in the background is directly related to the integral operation of a construction process, and a steel bar conduit is subjected to large blocking force in the process of leading into a pile hole even if the pile hole is slightly inclined, so that the verticality of the pile hole needs to be detected before starting work, but the conventional verticality detection device is heavy in quantity, expensive in price and inconvenient to carry is solved.
In order to achieve the purpose, the utility model provides the following technical scheme: a device for detecting the verticality of a cast-in-situ bored pile comprises a measuring vertical rod and a first measuring disc arranged at the top end of the measuring vertical rod, wherein a second measuring disc is arranged at the lower end of the first measuring disc, the second measuring disc is sleeved on the surface of the measuring vertical rod, an external limiting ring is arranged on the outer side of the first measuring disc, measuring arm rods are arranged between the first measuring disc and the second measuring disc, and three groups of measuring arm rods are arranged;
the external limiting ring comprises a ring body and guide straight rods arranged on the inner side face of the ring body, three groups of guide straight rods are arranged, horizontal measuring parts are sleeved on the surfaces of the guide straight rods, return springs are arranged on two sides of each horizontal measuring part, the return springs are sleeved on the surfaces of the guide straight rods, the first measuring disc comprises a first disc body and movable long grooves arranged on the side vertical faces of the first disc body, three groups of movable long grooves are arranged, and one ends of the guide straight rods are connected with the inner bottom faces of the movable long grooves.
Furthermore, sliding butt joint grooves are formed in two sides of the upper end of the movable long groove, a first sensing piece is arranged on the inner bottom face of the outer end of each sliding butt joint groove, a small sensing lamp is mounted on one side of each sliding butt joint groove, and six groups of small sensing lamps are arranged.
Furthermore, the second measuring disc comprises a second disc body and a joint notch arranged on a side vertical surface of the second disc body, and a movable column block is arranged inside the joint notch.
Further, measure the armed lever and include the connection handle pole that is connected with the activity column block and set up the extension rod in connection handle pole one end, the one end of extension rod is connected with the level measurement piece, installs the rotation moving part between connection handle pole and the extension rod.
Furthermore, one end of the connecting handle rod is provided with a first access circular groove, and the inner bottom surface of the first access circular groove is provided with a first ball containing groove.
Furthermore, a second through circular groove is formed in one end of the extension rod, and a second ball containing groove is formed in the inner bottom surface of the second through circular groove.
Further, the rotation moving part includes central ball piece and sets up the linking small rod in central ball piece both sides, links up the small rod and is connected with first logical circular slot and second logical circular slot, and the rotation spheroid is installed to the one end that links up the small rod, rotates the spheroid and first holds the ball groove and the second holds the ball groove and is connected.
Further, the horizontal measuring piece comprises a butt joint small rod and a connecting strip plate arranged at one end of the butt joint small rod, and a sliding ball is arranged at the other end of the butt joint small rod.
Furthermore, the surface of the sliding ball is provided with a sleeving sliding groove, the sleeving sliding groove is connected with the guide straight rod, the inner bottom surface of the sleeving sliding groove is provided with a limiting sliding strip, and the sleeving sliding groove is connected with the guide straight rod through the limiting sliding strip.
Further, linking up the slat and including the slat spare and installing the point piece of laminating at slat spare lower surface both ends, the point piece of laminating is connected with the butt joint groove that slides, and the middle-end of the point piece of laminating is provided with the second response piece, first response piece and second response piece and response small lamp electric connection.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the device for detecting the verticality of the cast-in-situ bored pile, the first measuring disc and the second measuring disc are consistent in size, the first measuring disc and the second measuring disc correspond to the inner diameter of a pile hole, when three groups of measuring arm rods are in a vertical state, the three groups of measuring arm rods are matched with the outer diameter of the first measuring disc and the outer diameter of the second measuring disc, the measuring vertical rods extend into the pile hole, when the pile hole is in the process of introducing, the three groups of measuring arm rods are always kept vertical, the verticality of the pile hole is detected to be qualified, when the pile hole is in the process of introducing, the three groups of measuring arm rods are extruded, the measuring arm rods incline inwards or outwards, a horizontal measuring part moves along a guide straight rod, the three groups of measuring arm rods cannot be kept vertical, and the verticality detection of the pile hole is unqualified.
2. When the three groups of measuring arms are in a vertical state, the fit sharp block is connected with one end of the sliding butt joint groove, the first sensing piece is fitted with the second sensing piece, the sensing small lamp is triggered to be in a bright state, when the measuring arms are inclined inwards or outwards, the horizontal measuring piece moves along the guide straight rod, the two groups of reset springs support the two sides of the horizontal measuring piece, the fit sharp block slides to the inner end of the sliding butt joint groove or is separated from the sliding butt joint groove, the second sensing piece is separated from the first sensing piece, the corresponding sensing small lamp is turned off, when all the six groups of sensing small lamps are turned on, the verticality detection is qualified, and when one group or multiple groups of sensing small lamps are turned off, the verticality detection is unqualified.
3. The utility model provides a device for detecting the verticality of a bored pile, which is characterized in that a small connecting rod is connected with a first access circular groove and a second access circular groove, a rotary ball is connected with a first ball containing groove and a second ball containing groove, one end of an extension rod is movably connected with the lower surface of a sliding ball, the rotary ball is connected with a guide straight rod through a sleeve sliding groove and a limiting sliding strip, the stability of a horizontal measuring piece in the sliding process is improved, a connecting handle rod and the extension rod can rotate mutually through the rotary ball in the process of inwards or outwards inclining a measuring arm rod, the mobility of the measuring arm rod is given when the measuring arm rod is pressed, the acting force of directly extruding the measuring arm rod through an inclined pile hole is reduced, and the measuring arm rod is protected.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an external limiting ring according to the present invention;
FIG. 3 is a schematic view of a first measuring disk according to the present invention;
FIG. 4 is a schematic view of a second measuring disk according to the present invention;
FIG. 5 is an enlarged view taken at A of FIG. 1 according to the present invention;
FIG. 6 is a schematic plan view of a measuring arm according to the present invention;
FIG. 7 is a schematic view of the leveling member of the present invention;
FIG. 8 is a schematic view of a splice bar of the present invention.
In the figure: 1. measuring the vertical rod; 2. a first measuring pan; 21. a first tray body; 22. a movable long slot; 23. sliding the butt joint groove; 24. a first sensing member; 25. a small induction lamp; 3. a second measuring pan; 31. a second tray body; 32. an engagement notch; 33. a movable column block; 4. a limiting ring is externally connected; 41. a ring body; 42. a guide straight rod; 43. a return spring; 44. a leveling member; 441. butting the small rods; 442. connecting the laths; 4421. a strip member; 4422. fitting a sharp block; 4423. a second sensing member; 443. a sliding ball; 444. sleeving the sliding chute; 445. a limiting slide bar; 5. a measuring arm; 51. connecting a handle rod; 511. a first access circular groove; 512. a first ball receiving groove; 52. rotating the movable piece; 521. a central ball block; 522. connecting the small rods; 523. rotating the ball body; 53. an extension rod; 531. a second entrance circular groove; 532. the second ball containing groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
For a further understanding of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings.
Referring to fig. 1-3, the device for detecting the verticality of a bored pile according to the present invention includes a measuring vertical rod 1 and a first measuring disc 2 disposed at the top end of the measuring vertical rod 1, wherein a second measuring disc 3 is disposed at the lower end of the first measuring disc 2, the second measuring disc 3 is sleeved on the surface of the measuring vertical rod 1, an external limiting ring 4 is disposed at the outer side of the first measuring disc 2, a measuring arm 5 is disposed between the first measuring disc 2 and the second measuring disc 3, the measuring arm 5 is provided with three sets of measuring arms, the external limiting ring 4 includes a ring body 41 and a guiding straight rod 42 disposed at the inner side of the ring body 41, the guiding straight rod 42 is provided with three sets of guiding straight rods, a horizontal measuring member 44 is sleeved on the surface of the guiding straight rod 42, return springs 43 are disposed at both sides of the horizontal measuring member 44, the return springs 43 are sleeved on the surface of the guiding straight rod 42, the first measuring disc 2 includes a first disc body 21 and a movable long slot 22 disposed at the side of the first disc body 21, three groups of movable long grooves 22 are arranged, and one end of the guide straight rod 42 is connected with the inner bottom surface of the movable long groove 22.
The present invention will be further described with reference to the following examples.
Example 1
Referring to fig. 1-5, two sides of the upper end of the movable long slot 22 are respectively provided with a sliding butt-joint slot 23, the inner bottom surface of the outer end of the sliding butt-joint slot 23 is provided with a first sensing part 24, one side of the sliding butt-joint slot 23 is provided with a sensing small lamp 25, six groups of sensing small lamps 25 are arranged, the second measuring disc 3 comprises a second disc body 31 and a joint notch 32 arranged on the side vertical surface of the second disc body 31, a movable column block 33 is arranged inside the joint notch 32, the measuring arm 5 comprises a connecting handle rod 51 connected with the movable column block 33 and an extension rod 53 arranged at one end of the connecting handle rod 51, one end of the extension rod 53 is connected with the horizontal measuring part 44, a rotary moving part 52 is arranged between the connecting handle rod 51 and the extension rod 53, the first measuring disc 2 and the second measuring disc 3 have the same size, the first measuring disc 2 and the second measuring disc 3 correspond to the inner diameter of the pile hole, and when the three groups of measuring arm 5 are in a vertical state, its external diameter phase-match with first measuring panel 2 and second measuring panel 3 will measure pole setting 1 and stretch into the stake hole, at the in-process that lets in when the stake hole, three groups measure armed lever 5 and remain the perpendicular all the time, then the straightness that hangs down of stake hole detects qualifiedly, when the stake hole is at the in-process that lets in, three groups measure armed lever 5 and receive the extrusion when, it can appear leanin or lean out to measure armed lever 5, horizontal measurement piece 44 removes along direction straight-bar 42, three groups measure armed lever 5 can't keep perpendicularly, then the straightness that hangs down of stake hole detects unqualifiedly.
Example 2
Referring to fig. 7-8, a first circular slot 511 is formed at one end of the connecting rod 51, a first ball receiving slot 512 is formed at the inner bottom surface of the first circular slot 511, a second circular slot 531 is formed at one end of the extending rod 53, a second ball receiving slot 532 is formed at the inner bottom surface of the second circular slot 531, the rotary moving member 52 includes a central ball 521 and small engaging rods 522 disposed at both sides of the central ball 521, the small engaging rods 522 are connected to the first circular slot 511 and the second circular slot 531, a rotary ball 523 is mounted at one end of the small engaging rods 522, the rotary ball 523 is connected to the first ball receiving slot 512 and the second ball receiving slot 532, when the three sets of measuring arms 5 are in a vertical state, the engaging tip 4422 is connected to one end of the sliding engaging slot 23, the first sensing member 24 is engaged with the second sensing member 4423, the sensing small lamp 25 is triggered, so that the sensing small lamp 25 is in a bright state, when the measuring arm rod 5 inclines inwards or outwards, the horizontal measuring piece 44 moves along the guide straight rod 42, the two groups of reset springs 43 support the two sides of the horizontal measuring piece, the fitting tip piece 4422 slides to the inner end of the sliding butt joint groove 23 or is separated from the sliding butt joint groove 23, the second sensing piece 4423 is separated from the first sensing piece 24, the corresponding small sensing lamp 25 is extinguished, when the six groups of small sensing lamps 25 are all lightened, the verticality detection is qualified, and when one or more groups of small sensing lamps 25 are extinguished, the verticality detection is unqualified.
Example 3
Referring to fig. 4-6, the horizontal measuring member 44 includes a small butt-joint rod 441 and a linking bar 442 installed at one end of the small butt-joint rod 441, the other end of the small butt-joint rod 441 is provided with a sliding ball 443, the surface of the sliding ball 443 is provided with a sleeve sliding groove 444, the sleeve sliding groove 444 is connected with the straight guide rod 42, the inner bottom surface of the sleeve sliding groove 444 is provided with a limit sliding strip 445, the sleeve sliding groove 444 is connected with the straight guide rod 42 through the limit sliding strip 445, the linking bar 442 includes a bar-shaped plate 4421 and fitting tips 4422 installed at two ends of the lower surface of the bar-shaped plate 4421, the fitting tips 4422 are connected with the sliding linking groove 23, the middle end of the fitting tips 4422 is provided with a second sensing member 4423, the first sensing member 24 and the second sensing member 4423 are electrically connected with the small sensing lamp 25, the linking bar 522 is connected with the first through circular groove 511 and the second through circular groove 531, the rotating ball 523 is connected with the first ball receiving groove 512 and the second ball receiving groove 532, and the one end of extension rod 53 and the lower surface swing joint of sliding ball 443, through cup jointing the spout 444 through spacing draw runner 445 with the direction straight-bar 42 be connected, promote the stationarity of level measurement piece 44 at the in-process that slides, at the in-process that measuring armed lever 5 appears leanin or leans out, can make connection handle 51 and extension rod 53 rotation each other through rotating spheroid 523, give the mobility of measuring armed lever 5 when the pressurized, alleviate the effort of slope stake hole direct extrusion measuring armed lever 5, protect measuring armed lever 5.
In summary, the following steps: the utility model relates to a device for detecting the verticality of a bored pile, which comprises a measuring vertical rod 1 and a first measuring disc 2 arranged at the top end of the measuring vertical rod 1, wherein the lower end of the first measuring disc 2 is provided with a second measuring disc 3, the second measuring disc 3 is sleeved on the surface of the measuring vertical rod 1, the outer side of the first measuring disc 2 is provided with an external limiting ring 4, a measuring arm rod 5 is arranged between the first measuring disc 2 and the second measuring disc 3, the measuring arm rod 5 is provided with three groups, the external limiting ring 4 comprises a ring body 41 and a guide straight rod 42 arranged on the inner side surface of the ring body 41, the guide straight rod 42 is provided with three groups, the surface of the guide straight rod 42 is sleeved with a horizontal measuring part 44, two sides of the horizontal measuring part 44 are both provided with return springs 43, the return springs 43 are sleeved on the surface of the guide straight rod 42, the first measuring disc 2 comprises a first disc body 21 and a movable long groove 22 arranged on the side vertical surface of the first disc body 21, the movable long groove 22 is provided with three groups, one end of the guide straight rod 42 is connected with the inner bottom surface of the movable long groove 22, the first measuring disc 2 and the second measuring disc 3 are consistent in size, the first measuring disc 2 and the second measuring disc 3 correspond to the inner diameter of the pile hole, when the three groups of measuring arm rods 5 are in a vertical state, the three groups of measuring arm rods are matched with the outer diameters of the first measuring disc 2 and the second measuring disc 3, the measuring vertical rod 1 extends into the pile hole, when the pile hole is led in, the three groups of measuring arm rods 5 are always vertical, the verticality detection of the pile hole is qualified, when the pile hole is led in and the three groups of measuring arm rods 5 are extruded, the measuring arm rods 5 incline inwards or outwards, the horizontal measuring piece 44 moves along the guide straight rod 42, the three groups of measuring arm rods 5 cannot be vertical, the verticality detection of the pile hole is unqualified, when the three groups of measuring arm rods 5 are in a vertical state, the fitting sharp block 4422 is connected with one end of the sliding butt joint groove 23, the first sensing piece 24 and the second sensing piece 4423 are fitted to trigger the sensing small lamp 25 to enable the sensing small lamp 25 to be in a bright state, when the measuring arm 5 inclines inwards or outwards, the horizontal measuring piece 44 moves along the guide straight rod 42, two groups of reset springs 43 support two sides of the horizontal measuring piece, the fitting sharp block 4422 slides to the inner end of the sliding butt joint groove 23 or is separated from the sliding butt joint groove 23, the second sensing piece 4423 is separated from the first sensing piece 24, the corresponding sensing small lamp 25 is extinguished, when all six groups of sensing small lamps 25 are lightened, the verticality detection is indicated, when one group or multiple groups of sensing small lamps 25 are extinguished, the verticality detection is unqualified, the linking small rod 522 is connected with the first access circular groove 511 and the second access circular groove 531, the rotating sphere 523 is connected with the first ball accommodating groove 512 and the second ball accommodating groove 532, and the one end of extension rod 53 and the lower surface swing joint of sliding ball 443, through cup jointing the spout 444 through spacing draw runner 445 with the direction straight-bar 42 be connected, promote the stationarity of level measurement piece 44 at the in-process that slides, at the in-process that measuring armed lever 5 appears leanin or leans out, can make connection handle 51 and extension rod 53 rotation each other through rotating spheroid 523, give the mobility of measuring armed lever 5 when the pressurized, alleviate the effort of slope stake hole direct extrusion measuring armed lever 5, protect measuring armed lever 5.
It should be noted that, in this document, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a bored concrete pile straightness detection device that hangs down, is measuring pole setting (1) and setting at first measuring dish (2) of measuring pole setting (1) top including measuring, its characterized in that: the lower end of the first measuring disc (2) is provided with a second measuring disc (3), the second measuring disc (3) is sleeved on the surface of the measuring vertical rod (1), the outer side of the first measuring disc (2) is provided with an external limiting ring (4), a measuring arm rod (5) is arranged between the first measuring disc (2) and the second measuring disc (3), and three groups of measuring arm rods (5) are arranged;
the external limiting ring (4) comprises a ring body (41) and guide straight rods (42) arranged on the inner side face of the ring body (41), three groups of guide straight rods (42) are arranged, a horizontal measuring part (44) is sleeved on the surface of each guide straight rod (42), return springs (43) are arranged on two sides of each horizontal measuring part (44), the surfaces of the guide straight rods (42) are sleeved with the return springs (43), the first measuring disc (2) comprises a first disc body (21) and movable long grooves (22) arranged on the side vertical faces of the first disc body (21), three groups of movable long grooves (22) are arranged, and one end of each guide straight rod (42) is connected with the inner bottom face of each movable long groove (22).
2. The cast-in-situ bored pile verticality detection device according to claim 1, characterized in that: the movable lamp is characterized in that sliding butt joint grooves (23) are formed in two sides of the upper end of the movable long groove (22), first induction pieces (24) are arranged on the inner bottom surfaces of the outer ends of the sliding butt joint grooves (23), induction small lamps (25) are installed on one sides of the sliding butt joint grooves (23), and six groups of the induction small lamps (25) are arranged.
3. The cast-in-situ bored pile verticality detection device according to claim 1, wherein: the second measuring disc (3) comprises a second disc body (31) and a joint notch (32) formed in the side vertical surface of the second disc body (31), and a movable column block (33) is installed inside the joint notch (32).
4. The cast-in-situ bored pile verticality detection device according to claim 3, wherein: the measuring arm rod (5) comprises a connecting handle rod (51) connected with the movable column block (33) and an extension rod (53) arranged at one end of the connecting handle rod (51), one end of the extension rod (53) is connected with the horizontal measuring piece (44), and a rotary moving piece (52) is installed between the connecting handle rod (51) and the extension rod (53).
5. The cast-in-situ bored pile verticality detection device according to claim 4, wherein: one end of the connecting handle rod (51) is provided with a first access circular groove (511), and the inner bottom surface of the first access circular groove (511) is provided with a first ball containing groove (512).
6. The cast-in-situ bored pile verticality detection device according to claim 4, wherein: one end of the extension rod (53) is provided with a second through circular groove (531), and the inner bottom surface of the second through circular groove (531) is provided with a second ball containing groove (532).
7. The cast-in-situ bored pile verticality detection device according to claim 4, wherein: the rotary movable part (52) comprises a central ball block (521) and small connecting rods (522) arranged on two sides of the central ball block (521), the small connecting rods (522) are connected with a first access circular groove (511) and a second access circular groove (531), a rotary sphere (523) is installed at one end of each small connecting rod (522), and the rotary sphere (523) is connected with a first ball containing groove (512) and a second ball containing groove (532).
8. The cast-in-situ bored pile verticality detection device according to claim 1, characterized in that: the horizontal measuring piece (44) comprises a small butt joint rod (441) and a connecting plate (442) arranged at one end of the small butt joint rod (441), and the other end of the small butt joint rod (441) is provided with a sliding ball (443).
9. The cast-in-situ bored pile verticality detection device according to claim 8, wherein: the surface of the sliding ball (443) is provided with a sleeving sliding groove (444), the sleeving sliding groove (444) is connected with the guide straight rod (42), the inner bottom surface of the sleeving sliding groove (444) is provided with a limiting sliding strip (445), and the sleeving sliding groove (444) is connected with the guide straight rod (42) through the limiting sliding strip (445).
10. The cast-in-situ bored pile verticality detection device according to claim 8, wherein: the connection batten (442) comprises a batten piece (4421) and fitting sharp blocks (4422) arranged at two ends of the lower surface of the batten piece (4421), the fitting sharp blocks (4422) are connected with the sliding butt joint groove (23), a second sensing piece (4423) is arranged at the middle end of the fitting sharp blocks (4422), and the first sensing piece (24) and the second sensing piece (4423) are electrically connected with the small sensing lamp (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220390335.9U CN216948469U (en) | 2022-02-24 | 2022-02-24 | Bored pile straightness detection device that hangs down |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220390335.9U CN216948469U (en) | 2022-02-24 | 2022-02-24 | Bored pile straightness detection device that hangs down |
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| Publication Number | Publication Date |
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| CN216948469U true CN216948469U (en) | 2022-07-12 |
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| CN202220390335.9U Active CN216948469U (en) | 2022-02-24 | 2022-02-24 | Bored pile straightness detection device that hangs down |
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| CN (1) | CN216948469U (en) |
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