CN212320727U - Pile hole perpendicularity detection device - Google Patents

Abstract

The utility model discloses a straightness detection device hangs down in stake hole relates to the construction field. The technical scheme is that the pile hole perpendicularity detection device comprises a frame, wherein a lower rope placed in a lower placing hole is bound on the frame, a horizontal detection disc is hung at the lower end of the lower rope placing hole, and the circle center of the horizontal detection disc is hung on the lower rope placing hole. The utility model discloses it is rational in infrastructure, can make things convenient for the straightness that hangs down that detects the stake hole fast whether in qualified scope.

Description

Pile hole perpendicularity detection device

Technical Field

The utility model relates to a construction field, in particular to stake hole straightness detection device that hangs down.

Background

The tolerance deviations of the manual hole digging pile are respectively as follows: firstly, the allowable deviation of the diameter D of the pile hole is +/-50 mm; secondly, the allowable deviation of the central position of the pile is 50 mm; thirdly, the verticality tolerance of the pile is 0.5%. In summary, it can be known from the allowable deviation value of manual pile digging construction that the control of the perpendicularity and diameter of the pile hole is very important, and in actual construction, the traditional detection method of the perpendicularity and diameter of the pile hole is mainly a line hammer detection method, which is widely used in construction.

The method for detecting the plumb bob is simple in operation and material, a cross can be formed by welding waste steel bars and nuts in a combined mode on site, the cross is aligned with a measurement control point on a walling crib and is placed and fixed, a plumb bob wire penetrates through the nuts, the plumb bob is slowly placed down to a detection elevation, and a constructor conducts retesting in four directions by using tape measures in holes, so that the perpendicularity and the diameter of a pile hole are controlled.

From the specific operation of the plumb bob detection method, although the method is convenient to operate and simple in material, the detection result is greatly influenced by human factors, and the accuracy is relatively poor. Aiming at the problems, a novel pile hole perpendicularity detection device is designed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stake hole straightness detection device that hangs down, whether convenient short-term test stake hole's straightness that hangs down is in qualified scope.

The above technical purpose of the present invention can be achieved by the following technical solutions: the pile hole perpendicularity detection device comprises a frame, wherein a lower rope placed in a lower placing hole is bound on the frame, a horizontal detection disc is hung at the lower end of the lower rope placing hole, and the circle center of the horizontal detection disc is hung on the lower rope placing hole.

By adopting the scheme, the maximum deviation value of the perpendicularity of the pile hole is calculated according to the depth of the pile hole, the horizontal detection plate is selected, the radius of the horizontal detection plate is equal to the calculated maximum deviation value, the horizontal detection plate is hung at the lower end of the lower releasing rope, then the horizontal detection plate is hung by a lowering rope and is lowered into the pile hole, so that the horizontal detection plate is slightly higher than the bottom of the hole and keeps suspended, then the frame is moved to make the lower rope-releasing move to the opening edge position of the pile hole, then the worker enters the hole to observe whether the edge of the horizontal detection disc is abutted against the hole wall or not, if so, indicating that the deviation value is within the acceptable range, if the deviation value is not abutted, the surface deviation value exceeds the allowable range, and if the deviation value is not abutted, the machine frame is moved slowly, make and transfer the rope and remove the round along stake hole opening edge, observe whether the horizontal detection dish is the butt all the time on the pore wall to can the short-term test stake hole hang down straightness whether in qualified scope.

The utility model discloses further set up to: the outer ring of the horizontal detection disc is connected with an external ring piece.

By adopting the scheme, when the depth of the pile hole is not the same, the maximum deviation value of the pile hole is different, the outer ring of the horizontal detection plate is connected with the external ring piece, and the whole size of the horizontal detection plate can be conveniently adjusted according to the change of the deviation value.

The utility model discloses further set up to: the outer ring of the horizontal detection disc is an inclined surface which faces upwards obliquely, the outer ring of the external ring piece is also arranged to be the same inclined surface, the inner ring of the external ring piece is arranged to be an inclined surface which faces downwards obliquely and is matched with the outer ring of the external ring piece, and the inner ring of the external ring piece is spliced with the outer ring of the horizontal detection disc.

By adopting the scheme, the external ring piece is convenient to mount.

The utility model discloses further set up to: the upper surface of horizontal detection dish is fixed with the vertical infrared emitter that upwards launches the infrared ray, horizontal detection dish upper surface with the position correspondence of infrared emitter symmetry is fixed with the balancing piece, still be fixed with the transparent locating plate that is used for reacting the infrared position in the frame, transparent locating plate staggers put the rope down, just be provided with the scale on the transparent locating plate.

By adopting the scheme, the lowering depth of the lower rope releasing is selected according to the depth of the pile hole, then the position of the infrared ray penetrating point on the transparent positioning plate is observed, then the lower rope is moved to the position of the edge of the opening of the pile hole, at the moment, whether the position of the infrared ray irradiation point on the transparent positioning plate is changed or not is observed, if the position of the infrared ray irradiation point on the transparent positioning plate is changed, whether the radius of the horizontal detection disc subtracted from the interval between the lower rope releasing and the edge of the hole when the irradiation point is changed is larger than the maximum deviation value of verticality or not is firstly judged, if the radius is not larger than the maximum deviation value of verticality, the horizontal detection disc is abutted against the wall of the hole, if the radius is not larger than the maximum deviation value, the verticality is unqualified, if the position of the infrared ray irradiation point on the transparent positioning, thereby avoiding the need for workers to go down into the pile hole for observation.

The utility model discloses further set up to: the lower rope releasing device is wound on a winding disc, the mounting shaft of the winding disc is erected and is rotatably connected to the rack, and the mounting shaft of the winding disc is fixedly connected with a handle.

Through adopting above-mentioned scheme, set up the rolling dish, unreel and transfer and the rolling of putting the rope under convenient control.

The utility model discloses further set up to: the winding device is characterized in that a ratchet is arranged on the outer edge of one side of the winding disc, a pawl is correspondingly hinged to the rack and abuts against the ratchet to limit the downward releasing rope to be unwound.

Through adopting above-mentioned scheme, set up ratchet, pawl, the convenient restriction unreels of putting down the rope unreeling.

The utility model discloses further set up to: the bottom of the frame is also fixedly connected with universal wheels.

Through adopting above-mentioned scheme, set up the universal wheel in the bottom of frame, conveniently remove the frame and the device is whole.

The utility model discloses further set up to: the whole of frame is type Z, just the rolling dish is fixed the top tip position of frame, just the frame deviates from the upper surface support of rolling dish one end and has the balancing weight.

Through adopting above-mentioned scheme, set up the frame into type Z style of calligraphy to place the balancing weight, conveniently will transfer the rope and remove to stake hole top, and prevent that the frame perk is unstable when the weight of level detection dish increases gradually.

To sum up, the utility model discloses following beneficial effect has: whether the perpendicularity of the pile hole is in a qualified range can be conveniently and rapidly detected.

Drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

fig. 2 is an enlarged view of a portion a in fig. 1.

Reference numerals: 1. a frame; 2. releasing the rope; 3. a horizontal detection plate; 4. connecting a ring piece externally; 5. an infrared emitter; 6. a counterbalance; 7. a transparent positioning plate; 8. a winding disc; 9. a handle; 10. a ratchet; 11. a pawl; 12. a universal wheel; 13. and a balancing weight.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Combine fig. 1 and fig. 2 to show, a stake hole straightness detection device that hangs down, including frame 1, frame 1 is whole to be type Z to the bottom installation in frame 1 is fixed with four universal wheels 12, installs rolling dish 8 in the top tip position of frame 1, and the one end upper surface that deviates from rolling dish 8 in frame 1 supports there is the balancing weight 13 in order to ensure its stability.

The installation axle of rolling dish 8 sets up and rotates to be connected in frame 1 for it conveniently dismantles, and has handle 9 at the one end fixedly connected with of its installation axle in order to conveniently control its rotation. The lower rope 2 is wound on the winding disc 8, the ratchet 10 is arranged on the outer edge of one side of the winding disc 8, the rack 1 is correspondingly hinged with a pawl 11, the pawl 11 abuts against the ratchet 10 to limit the winding disc 8 to unwind the lower rope 2, the pawl 11 is poked, and the winding disc 8 can rotate without obstruction.

Whether the straightness offset value that hangs down that detects the stake hole is when qualified within range, need will transfer rope 2 and transfer downtheholely, the lower extreme of putting rope 2 under hangs and is equipped with a horizontal detection dish 3, hangs the centre of a circle position that locates to be located horizontal detection dish 3, through the action of gravity of horizontal detection dish 3 for put rope 2 down and keep vertical flagging, the radius of horizontal detection dish 3 equals the maximum value of the straightness offset value that hangs down.

Because the stake hole of different hole depths, its the biggest deviation value of straightness that hangs down is also different, so, has still connected external ring piece 4 in the outer lane of level detection dish 3, installs external ring piece 4 as required for the holistic radius of level detection dish 3 can be adjusted according to actual demand. The outer ring of the horizontal detection disc 3 is an inclined upward inclined surface, the outer ring of the external ring piece 4 is also arranged to be an inclined upward inclined surface, the inner ring of the external ring piece 4 is arranged to be an inclined downward inclined surface matched with the outer ring of the external ring piece 4, the inner ring of the external ring piece 4 is spliced with the outer ring of the horizontal detection disc 3 during splicing, and a large ring piece can be continuously installed outside the external ring piece 4, so that the installation and splicing are convenient.

The upper surface of the horizontal detection disc 3 is also fixedly provided with an infrared emitter 5 which vertically emits infrared rays upwards, the upper surface of the horizontal detection disc 3 is correspondingly fixed with a balance block 6 at the position symmetrical to the circle center of the infrared emitter 5, and the balance block 6 and the infrared emitter 5 are of equal weight, so that the horizontal detection disc 3 can be kept horizontal when being suspended. Be fixed with transparent locating plate 7 that is used for reacting the infrared position on frame 1, transparent locating plate 7 staggers with transferring rope 2, avoids transparent locating plate 7 to lead to the fact the influence to putting down of putting rope 2, and is provided with the scale on transparent locating plate 7. When the infrared emitter 5 emits infrared rays, the infrared rays pass through the transparent positioning plate 7, and red dots are left on the transparent positioning plate 7 to illuminate the position with the display.

And (3) detection process: when the verticality of the pile hole is detected to be qualified, a horizontal detection disc 3 is hung at the end part of a lower unreeling rope 2, an infrared emitter 5 is opened, the lower unreeling rope 2 is unreeled according to the depth of the pile hole, the horizontal detection disc 3 and the lower unreeling rope 2 enter the hole, the height of the horizontal detection disc 3 is slightly higher than the bottom of the hole, a pawl 11 is put on a ratchet 10 to limit unreeling, the position of an infrared penetration point on a transparent positioning plate 7 is observed, then a frame 1 is slowly moved, the lower unreeling rope 2 is moved to the edge of an opening at the upper end of the pile hole, the scale position of the infrared point on the transparent positioning plate 7 is observed, whether the scale position is changed or not is observed, if the scale position is not changed, the relative position of the surface transparent positioning plate 7 and the infrared emitter 5 is not changed, the outer edge of the whole horizontal detection disc 3 is not abutted to the hole wall, and the verticality deviation, namely the verticality of the pile hole is unqualified; if the infrared ray penetration point on the transparent positioning plate 7 changes, it indicates that the horizontal detection plate 3 is abutted against the hole wall, and the distance between the lower rope 2 and the hole edge when the infrared ray penetration point begins to change needs to be observed, the comparison of the transparent positioning plate 7 can know whether the difference value and the radius difference value of the horizontal detection plate 3 exceed the maximum deviation value of the verticality, if not, the verticality deviation value of the pile hole is smaller than the specified maximum value, namely, the verticality of the pile hole is qualified, and if so, the verticality is unqualified. And then carrying out multi-point measurement along the circumferential direction of the pile hole to finally obtain a result, wherein whether the perpendicularity of the pile hole is qualified or not is judged.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a straightness detection device hangs down in stake hole which characterized in that: the device comprises a rack (1), wherein a lower rope (2) placed in a lower placing hole is bound on the rack (1), a horizontal detection disc (3) is hung at the lower end of the lower rope (2), and the circle center of the horizontal detection disc (3) is hung on the lower rope (2).

2. The pile hole perpendicularity detecting device according to claim 1, characterized in that: the outer ring of the horizontal detection disc (3) is connected with an external ring piece (4).

3. The pile hole perpendicularity detecting device according to claim 2, characterized in that: the outer ring of the horizontal detection disc (3) is an inclined upward inclined plane, the outer ring of the external ring piece (4) is also arranged to be the same inclined plane, the inner ring of the external ring piece (4) is arranged to be an inclined downward inclined plane matched with the outer ring of the external ring piece, and the inner ring of the external ring piece (4) is spliced with the outer ring of the horizontal detection disc (3).

4. The pile hole perpendicularity detecting device according to claim 1, characterized in that: the upper surface of level detection dish (3) is fixed with vertical infrared emitter (5) of upwards transmitting infrared ray, level detection dish (3) upper surface with the position correspondence of infrared emitter (5) symmetry is fixed with balancing piece (6), still be fixed with transparent locating plate (7) that are used for reacting the infrared ray position on frame (1), transparent locating plate (7) stagger put rope (2) down, just be provided with the scale on transparent locating plate (7).

5. The pile hole perpendicularity detecting device according to claim 1, characterized in that: lower rope (2) of putting is rolled up on a rolling dish (8), the installation axle of rolling dish (8) is set up and is rotated and connect in on frame (1), and its installation epaxial fixedly connected with handle (9).

6. The pile hole perpendicularity detecting device according to claim 5, characterized in that: ratchet teeth (10) are arranged on the outer edge of one side of the winding disc (8), a pawl (11) is correspondingly hinged to the rack (1), and the pawl (11) abuts against the ratchet teeth (10) to limit the lower unwinding rope (2) to be unwound.

7. The pile hole perpendicularity detecting device according to claim 1, characterized in that: the bottom of the frame (1) is also fixedly connected with universal wheels (12).

8. The pile hole perpendicularity detecting device according to claim 5, characterized in that: the whole of frame (1) is type Z, just wind-up reel (8) are fixed the top tip position of frame (1), just frame (1) deviates from the upper surface support of wind-up reel (8) one end and has balancing weight (13).

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