Pile hole diameter detection device

Abstract

The pile hole diameter detection device comprises a mounting plate, supporting legs fixed to the bottom of the mounting plate, a vertical plate fixed to the top of the mounting plate and a detection seat arranged on the mounting plate, a first distance measuring probe and a second distance measuring probe are arranged on the two sides of the detection seat, and a movable opening coaxial with the detection seat is formed in the center of the mounting plate in a penetrating mode; the number of the vertical plates is two, a winding roller is rotationally installed between the two vertical plates, a pull rope with one end fixed to the winding roller is arranged on the winding roller, the end, away from the winding roller, of the pull rope is fixed to the upper end of the detection base, and driving parts used for driving the winding roller to rotate are arranged on the vertical plates. The detection seat is provided with a balance mechanism used for preventing the detection seat from shaking after extending into the to-be-detected pile hole. The balance mechanism comprises a plurality of balance assemblies which are evenly distributed about the axis of the detection seat and can stretch out and draw back in the radial direction of the detection seat. The structure distribution on the detection seat in the traditional design is changed, and the detection efficiency and the detection precision of the hole diameter of the pile hole can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bore diameter detection device technical field, especially a pile hole diameter detection device. BACKGROUND

[0002] The pile hole is the hole of the cast-in-place concrete pile drilled for reinforcing the underground foundation and improving the load bearing capacity and the anti-seismic capacity of the foundation of the building, and therefore the quality of the pile hole is particularly important, and the diameter of the pile hole must be measured and checked during the construction process.

[0003] A pile hole diameter detection device is disclosed in the Chinese utility model patent with the publication number CN220893319U, which comprises a mounting bracket, a detection piece and an adjusting piece arranged on the mounting bracket. The mounting bracket comprises a mounting seat and at least three supporting legs arranged on the mounting seat, and the at least three supporting legs are used to stably place the mounting seat on the ground. The adjusting piece comprises a pay-off drum rotatably connected to the mounting seat and a pull rope wound on the pay-off drum. The rotation plane of the pay-off drum is perpendicular to the mounting seat, and the pull rope is fixedly connected to the pay-off drum. The detection piece is arranged on the pull rope, and the detection piece is used to detect the diameter. The detection piece is signal-connected with a display device.

[0004] According to the related technology in the above, the inventors believe that the following defects exist: During use, the detection piece is connected with the pull rope. During the process of lowering the detection piece to the pile hole by paying out the pay-off drum, the detection piece is prone to shaking. The detection piece needs a long time to recover to the stationary state, which is not conducive to improving the detection efficiency of the detection piece on the inner diameter of the pile hole. If the detection is performed when the detection piece is not stationary, the detection result may have certain errors. Therefore, the related technology needs to be improved and designed. UTILITY MODEL CONTENTS

[0005] In order to solve the above problems, the utility model provides a pile hole diameter detection device.

[0006] The above technical purpose of the utility model is realized by the following technical scheme: a pile hole diameter detection device, which comprises a mounting plate, a supporting leg fixedly connected to the bottom of the mounting plate, a vertical plate fixedly connected to the top of the mounting plate, and a detection seat arranged on the mounting plate. First and second distance measuring probes are arranged on the two sides of the detection seat. A movable port coaxial with the detection seat is arranged at the center of the mounting plate. Two vertical plates are arranged on the two sides of the movable port and are symmetrically distributed. A winding roller is rotatably arranged between the two vertical plates. A pull rope is arranged on the winding roller, with one end fixedly connected to the winding roller. The other end of the pull rope is fixedly connected to the upper end of the detection seat. A driving piece is arranged on the vertical plate and is used to drive the winding roller to rotate. A balancing mechanism is arranged on the detection seat and is used to prevent the detection seat from shaking after being inserted into the pile hole to be measured. The balancing mechanism comprises a plurality of balancing assemblies uniformly distributed about the axis of the detection seat and radially expandable along the detection seat.

[0007] By adopting the technical scheme, the driving member can drive the winding roller to rotate, so that the pull rope is gradually loosened from the winding roller, and the detection seat is lifted, and after the detection seat is lowered into the stake hole, the multiple balancing assemblies cooperate and make the detection seat quickly and stably retained, so that the first distance measuring probe and the second distance measuring probe cooperate and detect the stake hole diameter, which changes the structure distribution on the detection seat in the traditional design, and is beneficial to improve the detection efficiency and detection accuracy of the stake hole diameter.

[0008] Further, the balancing assembly comprises a telescopic sleeve arranged on the side wall of the detection seat, a sliding plate in sliding cooperation with the inner wall of the telescopic sleeve, a horizontal rod fixed to the side of the sliding plate away from the detection seat, a spring fixed to the side of the sliding plate close to the detection seat, and a roller arranged at the end of the horizontal rod away from the detection seat, the side wall of the detection seat is provided with a plug-in hole for plug-in cooperation of the telescopic sleeve, the cross-sectional area of the horizontal rod is smaller than the surface area of the side of the sliding plate away from the detection seat, the horizontal rod penetrates the end of the telescopic sleeve away from the detection seat and is in sliding cooperation, the detection seat is provided with a fixing assembly for fixing the horizontal rod and the detection seat, the fixing assembly comprises a positioning rod, the bottom of the detection seat is provided with a positioning hole for plug-in cooperation of the positioning rod, the positioning rod penetrates the telescopic sleeve and is in sliding cooperation, and the end of the spring away from the sliding plate is abutted against the part of the side wall of the positioning rod located in the telescopic sleeve.

[0009] Further, the fixing assembly further comprises a positioning bolt arranged on the side wall of the detection seat, the positioning bolt penetrates the part of the detection seat located on the side of the positioning hole away from the axis of the detection seat and is in gap cooperation, the positioning bolt further penetrates the positioning rod and is in gap cooperation, and the detection seat is provided with a threaded hole for thread connection of the positioning bolt at the position of the side of the positioning hole close to the axis of the detection seat.

[0010] By adopting the technical scheme, the positioning bolt fixes the positioning rod and the detection seat, the positioning rod fixes the telescopic sleeve and the detection seat, the two ends of the spring are respectively abutted against the side wall of the positioning rod and the side wall of the sliding plate close to the axis of the detection seat, and the side of the sliding plate away from the axis of the detection seat is abutted against the inner wall of the side of the telescopic sleeve away from the axis of the detection seat, so that the wheel surface of the roller is abutted against the inner wall of the stake hole, and the multiple balancing assemblies cooperate to make the detection seat stable during the lowering process, thereby sufficiently reducing the probability of shaking of the detection seat during the gradual loosening of the pull rope, and improving the detection efficiency and accuracy of the stake hole diameter. The positioning bolt is arranged to enable the positioning rod and the telescopic sleeve to be detachably connected and fixed, thereby reducing the welding mode between the parts of the device and reducing the assembly difficulty between the parts of the device.

[0011] Further, the positioning bolt is a round head hexagonal bolt, the side wall of the detection seat is provided with a containing hole for containing the head of the positioning bolt, and the lower end of the positioning rod is fixed with an operation plate.

[0012] By adopting the technical scheme, the appearance of the detection seat surface is enhanced. The setting of the operation plate reduces the difficulty of the worker in installing or dismounting the positioning rod.

[0013] Further, the balance mechanism is provided with at least two groups, and the lower end of the detection seat is provided with a counterweight.

[0014] By adopting the technical scheme, under the cooperation of the two groups of balance mechanisms and the counterweight, the detection seat can be quickly kept in a stable state after being lowered into the pile hole.

[0015] Further, a threaded column is fixed at the center of the top of the counterweight, and the upper end of the threaded column is threadedly connected with the center of the lower end of the detection seat.

[0016] By adopting the technical scheme, the counterweight can be conveniently installed at the lower end of the detection seat.

[0017] Further, a retaining rod is fixed between the two vertical plates, an annular part coaxial with the movable opening is arranged in the middle of the retaining rod, the inner diameter of the annular part is larger than the diameter of the pull rope, and the intersection between the inner wall of the annular part and the top and bottom thereof is chamfered.

[0018] By adopting the technical scheme, the annular part on the retaining rod plays a good guiding role on the pull rope, so that the pull rope is kept coinciding with the axis of the pile hole.

[0019] Further, the driving member is a motor fixed to one of the vertical plates, the output end of the motor penetrates through the vertical plate and is rotationally connected, and the output end of the motor is fixed to one end of the winding roller, a circular plate body is fixed to the lower end of the supporting leg, and a rubber sheet is fixed to the bottom of the circular plate body.

[0020] By adopting the technical scheme, the motor drives the winding roller to rotate after working, so that the pull rope is loosened or wound on the winding roller, so as to control the lowering or rising of the detection seat. The setting of the circular plate body and the rubber sheet increases the contact area of the supporting leg and the ground, and enhances the stability of the device in the process of detecting the hole diameter of the pile hole.

[0021] In summary, the utility model has the following beneficial effects:

[0022] 1. In the application, the driving member can drive the winding roller to rotate, so that the pull rope is gradually loosened from the winding roller, so that the detection seat is lowered, a plurality of balance assemblies cooperate and the detection seat is quickly kept stable, so that the first distance measuring probe and the second distance measuring probe cooperate and detect the hole diameter of the pile hole, the structure distribution on the detection seat in the traditional design is changed, and the detection efficiency and detection accuracy of the hole diameter of the pile hole are improved.

[0023] 2、The multiple balance assemblies cooperate in the application, so that the detection seat can be kept stable during the descending process, sufficiently reducing the probability of shaking of the detection seat during the gradual loosening of the pull rope, and improving the detection efficiency and accuracy of the pile hole diameter;

[0024] 3、The detection seat can be quickly kept in a stable state after descending into the pile hole under the cooperation of the two balance mechanisms and the counterweight. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is the overall structure schematic diagram of the embodiment of the utility model;

[0026] Figure 2 is the schematic diagram for highlighting the detection seat and its connecting structure of the embodiment of the utility model;

[0027] Figure 3 is the structure schematic diagram for highlighting the balance assembly of the embodiment of the utility model;

[0028] Figure 4 is Figure 3 the enlarged schematic diagram of A in the figure.

[0029] In the figure: 1, mounting plate; 11, movable port; 2, support leg; 21, round plate body; 211, rubber sheet; 3, vertical plate; 31, driving piece; 4, detection seat; 40, plug-in hole; 41, first distance measuring probe; 42, second distance measuring probe; 43, positioning hole; 44, threaded hole; 45, containing hole; 5, winding roller; 51, pull rope; 6, balance mechanism; 61, balance assembly; 611, telescopic sleeve; 612, sliding plate; 613, cross bar; 614, spring; 615, roller; 7, fixed assembly; 71, positioning rod; 711, operation plate; 72, positioning bolt; 8, counterweight; 81, threaded column; 9, retaining rod; 91, annular part. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application; obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application, and all other embodiments obtained by those skilled in the art without creative labor on the basis of the embodiments in the application belong to the protection scope of the application.

[0031] As Figures 1-4As shown, the embodiment of the present application discloses a pile hole diameter detection device, which comprises a mounting plate 1, a supporting leg 2 fixed at the bottom of the mounting plate 1, a vertical plate 3 fixed at the top of the mounting plate 1 and a detection seat 4 arranged on the mounting plate 1, first and second distance measuring probes 41 and 42 are arranged on the two sides of the detection seat 4, a movable port 11 coaxial with the detection seat 4 is arranged at the center of the mounting plate 1, the vertical plate 3 is provided with two vertical plates 3 symmetrically distributed on the two sides of the movable port 11, a winding roller 5 is rotatably arranged between the two vertical plates 3, a pull rope 51 is arranged on the winding roller 5, one end of the pull rope 51 is fixed on the winding roller 5, and the other end of the pull rope 51 is fixed on the upper end of the detection seat 4, a driving member 31 for driving the winding roller 5 to rotate is arranged on the vertical plate 3, a balancing mechanism 6 for preventing the detection seat 4 from shaking after extending into the pile hole to be detected is arranged on the detection seat 4, and the balancing mechanism 6 comprises a plurality of balancing assemblies 61 uniformly distributed about the axis of the detection seat 4 and radially expandable along the detection seat 4.

[0032] The driving member 31 can drive the winding roller 5 to rotate, so that the pull rope 51 is gradually released from the winding roller 5, so that the detection seat 4 is lifted, and after the detection seat 4 is lowered into the pile hole, the plurality of balancing assemblies 61 cooperate and make the detection seat 4 quickly stable, so that the first and second distance measuring probes 41 and 42 cooperate and detect the diameter of the pile hole (the first and second distance measuring probes 41 and 42 are taken from the prior art, and the use principle and structural composition belong to the conventional knowledge, and do not need to be described in detail here), which changes the structural distribution on the detection seat 4 in the traditional design, and is beneficial to improve the detection efficiency and detection accuracy of the diameter of the pile hole.

[0033] The balancing assembly 61 comprises a telescopic sleeve 611 arranged on the side wall of the detection seat 4, a sliding plate 612 in sliding fit with the inner wall of the telescopic sleeve 611, a horizontal rod 613 fixed with the side of the sliding plate 612 away from the detection seat 4, a spring 614 fixed with the side of the sliding plate 612 close to the detection seat 4, and a roller 615 arranged at the end of the horizontal rod 613 away from the detection seat 4. The side wall of the detection seat 4 is provided with a plug-in hole 40 for plug-in fit of the telescopic sleeve 611. The cross-sectional area of the horizontal rod 613 is smaller than the surface area of the side of the sliding plate 612 away from the detection seat 4. The horizontal rod 613 penetrates the end of the telescopic sleeve 611 away from the detection seat 4 and is in sliding fit. The detection seat 4 is provided with a fixing assembly 7 for fixing the horizontal rod 613 with the detection seat 4. The fixing assembly 7 comprises a positioning rod 71. The bottom of the detection seat 4 is provided with a positioning hole 43 for plug-in fit of the positioning rod 71. The positioning rod 71 penetrates the telescopic sleeve 611 and is in sliding fit. The end of the spring 614 away from the sliding plate 612 abuts against the part of the side wall of the positioning rod 71 located in the telescopic sleeve 611.

[0034] The positioning rod 71 fixes the telescopic sleeve 611 with the detection seat 4. The two ends of the spring 614 abut against the side wall of the positioning rod 71 and the side wall of the sliding plate 612 close to the axis of the detection seat 4, respectively. The side of the sliding plate 612 away from the axis of the detection seat 4 abuts against the inner wall of the telescopic sleeve 611 away from the axis of the detection seat 4. In this way, the wheel surface of the roller 615 abuts against the inner wall of the pile hole. The cooperation of multiple balancing assemblies 61 enables the detection seat 4 to remain stable during the descending process, thereby reducing the probability of shaking of the detection seat 4 during the gradual loosening of the pull rope 51 and improving the detection efficiency and accuracy of the pile hole diameter. The arrangement of the positioning bolt 72 enables the positioning rod 71 and the telescopic sleeve 611 to be detachably connected and fixed, thereby reducing the welding between the components of the device and the difficulty of assembly between the components of the device.

[0035] To enhance the aesthetic appearance of the surface of the detection seat 4, the positioning bolt 72 is a round head hexagonal bolt. The side wall of the detection seat 4 is provided with a containing hole 45 for containing the head of the positioning bolt 72. In this embodiment, the lower end of the positioning rod 71 is fixed with an operation plate 711. The arrangement of the operation plate 711 reduces the difficulty of installation or disassembly of the positioning rod 71 by the staff.

[0036] The balancing mechanism 6 is provided with at least two groups, and the lower end of the detection seat 4 is provided with a counterweight 8. Under the cooperation of the two groups of balancing mechanisms 6 and the counterweight 8, the detection seat 4 can be quickly kept in a stable state after descending into the pile hole. In order to facilitate the installation of the counterweight 8 on the lower end of the detection seat 4, a threaded column 81 is fixed at the top center of the counterweight 8, and the upper end of the threaded column 81 is threadedly connected with the center of the lower end of the detection seat 4.

[0037] The two vertical plates 3 are fixed with a retaining rod 9, and the retaining rod 9 is provided with an annular part 91 coaxial with the movable opening 11. The inner diameter of the annular part 91 is greater than the diameter of the pull rope 51, and the intersection between the inner wall of the annular part 91 and the top and bottom thereof is chamfered. The annular part 91 on the retaining rod 9 plays a good guiding role for the pull rope 51, so that the pull rope 51 keeps coinciding with the axis of the pile hole.

[0038] The driving member 31 is a motor fixed to one of the vertical plates 3, and the output end of the motor penetrates through the vertical plate 3 and is rotationally connected, and the output end of the motor is fixed to one end of the winding roller 5. The lower end of the supporting leg 2 is fixed with a circular plate body 21, and the bottom of the circular plate body 21 is fixed with a rubber sheet 211. The motor drives the winding roller 5 to rotate, so that the pull rope 51 is loosened or wound on the winding roller 5, so as to control the descent or ascent of the detection seat 4. The circular plate body 21 and the rubber sheet 211 increase the contact area of the supporting leg 2 with the ground, and enhance the stability of the device during the detection of the hole diameter of the pile hole.

[0039] The use principle of the pile hole diameter detection device in the embodiment is that the driving member 31 can drive the winding roller 5 to rotate, so that the pull rope 51 is gradually loosened from the winding roller 5, so that the detection seat 4 ascends and descends. After the detection seat 4 descends into the pile hole, the multiple balancing assemblies 61 cooperate and make the detection seat 4 quickly keep stable, so that the first distance measuring probe 41 and the second distance measuring probe 42 cooperate and detect the hole diameter of the pile hole. The structure distribution on the detection seat 4 in the traditional design is changed, which is beneficial to improving the detection efficiency and detection accuracy of the hole diameter of the pile hole.

[0040] The above is only the preferred embodiment of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the present application shall also be considered as the protection scope of the present application.

Claims

1. A pile hole diameter detection device, comprising a mounting plate (1), a support leg (2) fixed to the bottom of the mounting plate (1), a vertical plate (3) fixed to the top of the mounting plate (1), and a detection seat (4) arranged on the mounting plate (1), a first distance measuring probe (41) and a second distance measuring probe (42) are arranged on both sides of the detection seat (4), a movable opening (11) coaxial with the detection seat (4) is provided through the center of the mounting plate (1), the vertical plate (3) is provided with two and symmetrically distributed on both sides of the movable opening (11), a winding roller (5) is rotatably installed between the two vertical plates (3), a pull rope (51) with one end fixed to the winding roller (5) is provided on the winding roller (5), the end of the pull rope (51) away from the winding roller (5) is fixed to the upper end of the detection seat (4), and a driving member (31) for driving the winding roller (5) to rotate is provided on the vertical plate (3), characterized in that: The detection seat (4) is provided with a balance mechanism (6) for preventing the detection seat (4) from shaking after extending into the pile hole to be detected, the balance mechanism (6) comprises a plurality of balance assemblies (61) which are uniformly distributed about the axis of the detection seat (4) and can radially expand and contract along the detection seat (4).

2. The pile hole diameter detection device according to claim 1, characterized in that: The balance assembly (61) comprises a telescopic sleeve (611) arranged on the side wall of the detection seat (4), a sliding plate (612) in sliding fit with the inner wall of the telescopic sleeve (611), a cross bar (613) fixed to the side of the sliding plate (612) away from the detection seat (4), a spring (614) fixed to the side of the sliding plate (612) close to the detection seat (4), and a roller (615) arranged at the end of the cross bar (613) away from the detection seat (4), the side wall of the detection seat (4) is provided with a plug hole (40) for plug fit of the telescopic sleeve (611), the cross-sectional area of the cross bar (613) is smaller than the surface area of the side of the sliding plate (612) away from the detection seat (4), the cross bar (613) penetrates the end of the telescopic sleeve (611) away from the detection seat (4) and is in sliding fit, and the detection seat (4) is provided with a fixing assembly (7) for fixing the cross bar (613) and the detection seat (4), the fixing assembly (7) comprises a positioning rod (71), the bottom of the detection seat (4) is provided with a positioning hole (43) for plug fit of the positioning rod (71), the positioning rod (71) penetrates the telescopic sleeve (611) and is in sliding fit, and the end of the spring (614) away from the sliding plate (612) is abutted against the part of the side wall of the positioning rod (71) located in the telescopic sleeve (611).

3. A pile hole diameter detection device according to claim 2, characterized in that: The fixing assembly (7) further comprises a positioning bolt (72) arranged on the side wall of the detection seat (4), the positioning bolt (72) penetrates the part of the detection seat (4) located on the side of the positioning hole (43) away from the axis of the detection seat (4) and is in clearance fit, the positioning bolt (72) further penetrates the positioning rod (71) and is in clearance fit, and the detection seat (4) is provided with a threaded hole (44) for threaded connection of the positioning bolt (72) at the position of the side of the positioning hole (43) close to the axis of the detection seat (4).

4. A pile hole diameter detection device according to claim 3, characterized in that: The positioning bolt (72) is a round head Allen bolt, the side wall of the detection seat (4) is provided with a containing hole (45) for containing the head of the positioning bolt (72), and the lower end of the positioning rod (71) is fixed with an operation plate (711).

5. The pile hole diameter detection device according to claim 3, characterized by: The balance mechanism (6) is provided with at least two groups, and the detection seat (4) is provided with a counterweight (8) at the lower end.

6. A pile hole diameter detection device according to claim 5, characterized in that: The counterweight (8) is fixed with a threaded column (81) at the center of the top, and the upper end of the threaded column (81) is threadedly connected with the center of the lower end of the detection seat (4).

7. A pile hole diameter detection device according to claim 5, characterized in that: A retaining rod (9) is fixed between the two vertical plates (3), the retaining rod (9) is provided with an annular part (91) coaxial with the movable opening (11) at the middle, the inner diameter of the annular part (91) is greater than the diameter of the pull rope (51), and the intersection between the inner wall of the annular part (91) and the top and bottom thereof is chamfered.

8. A pile hole diameter detection device according to claim 5, characterized in that: The driving member (31) is a motor fixed on one of the vertical plates (3), the output end of the motor penetrates the vertical plate (3) and is rotationally connected, and the output end of the motor is fixed with one end of the winding roller (5), the lower end of the supporting leg (2) is fixed with a round plate body (21), and the bottom of the round plate body (21) is fixed with a rubber sheet (211).

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