CN209368903U - A kind of detection force rod of low strain of foundation pile - Google Patents
A kind of detection force rod of low strain of foundation pile Download PDFInfo
- Publication number
- CN209368903U CN209368903U CN201822006961.XU CN201822006961U CN209368903U CN 209368903 U CN209368903 U CN 209368903U CN 201822006961 U CN201822006961 U CN 201822006961U CN 209368903 U CN209368903 U CN 209368903U
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- rod
- power
- groove
- foundation pile
- low strain
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Abstract
The utility model relates to a kind of detection force rod of low strain of foundation pile, body and power rod are hammered into shape including power stick, adjustment structure is set in power rod, adjustment structure includes accommodating groove, adjusting rod and fixation kit, power rod opens up longitudinal accommodating groove from one end far from power stick hammer body, adjusting rod is arranged in accommodating groove, fixation kit includes fixation hole, fixed column, reset spring and reseting groove, power rod side longitudinal gap opens up the fixation hole of multiple connection accommodating grooves, adjusting rod opens up reseting groove close to the lower end of the side of fixation hole, the groove bottom wall of reseting groove is fixedly connected with one end of reset spring, the other end of reset spring is fixedly connected with the one end of fixed column in reseting groove, the fixed column other end is located across fixation hole.Adjusting rod can be adjusted relative to the position of power rod, to increase the length of power rod, expand the application of power stick.Adjusting rod can also be accommodated into accommodating groove, easy to carry.
Description
Technical field
The utility model relates to Test Technology of Pile Foundation field more particularly to a kind of detection force rod of low strain of foundation pile.
Background technique
Foundation pile is the substrate of whole building, and the bearing capacity of foundation pile affects the safety of entire superstructure, simultaneously
Pile body shallow defects are maximum to the harm of construction quality, so the detection to pile defect is particularly important, usually answered using low
The basic principle for becoming detection device micro-strain dynamic test is: pile body being considered as one-dimensional elastic rod, when stake top is erected by power stick
To after exciting force, the elastic wave of generation is propagated downwards along pile body, when there are the interfaces of obvious wave impedance difference (such as stake for pile body
The positions such as bottom, broken pile and serious isolation) or pile body sectional area variation (such as undergauge or expanding) position, back wave will be generated.Through connecing
The data processings such as the big, filtering of folding and unfolding, can recognize the reflective information from pile body different parts, judge pile body integrity accordingly.
Notification number is that the Chinese patent of CN205189020U discloses a kind of micro-strain dynamic test exciting force stick, including from
Power rod successively affixed, power stick hammer body and nylon head under are equipped with protection steel loop, the guarantor in the top periphery of nylon head
The upper end of shield steel loop is connect by internal screw thread with the lower end that the power stick hammers body into shape.
Prior art among the above has the following deficiencies: that the application of power stick is limited.Because pile foundation presses its cushion cap
The height of position can be divided into the elevated footing on piles that cushion cap bottom surface is above the ground level and cushion cap bottom surface is lower than the embedded footing on piles, low capped pile foundation on ground,
For index during detection, the requirement for power stick length is also different, and according to the needs of detection, staff needs to prepare more
The different power stick of root long degree, to improve testing cost.
Utility model content
The purpose of the utility model is to provide a kind of length-adjustable detection force rod of low strain of foundation pile.
The above-mentioned purpose of the utility model has the technical scheme that a kind of Low Strain Dynamic Testing of Piles power
Stick, including power stick hammer body and power rod into shape, and adjustment structure is arranged in the power rod, and the adjustment structure includes accommodating groove, adjusts
Bar and fixation kit, the power rod open up longitudinal accommodating groove, the adjusting rod setting from one end far from power stick hammer body
In accommodating groove, the fixation kit includes fixation hole, fixed column, reset spring and reseting groove, and power rod side is longitudinal
Interval opens up the fixation hole of multiple connection accommodating grooves, and the adjusting rod opens up reseting groove close to the lower end of the side of fixation hole, institute
The groove bottom wall for stating reseting groove is fixedly connected with one end of reset spring, and the other end and fixed column of the reset spring are in reseting groove
Interior one end is fixedly connected, and the fixed column other end is located across fixation hole.
By using above-mentioned technical proposal, adjustment structure is set, adjusting rod is mounted in accommodating groove, and can be in power rod
Sliding, power rod and adjusting rod can be fixed by fixation kit.Fixed column is pressed into reseting groove, fixed column is located at
In reseting groove, when slidable adjustment bar is to suitable position fixed column and fixation hole to it is corresponding when fixed column reset spring elastic force
Across fixation hole under effect, adjusting rod and power rod are fixed.Adjusting rod can be adjusted relative to the position of power rod
Section expands the application of power stick to increase the length of power rod.Adjusting rod can also be accommodated into accommodating groove, convenient for removing
Fortune.
The utility model is further arranged to: the fixed column is set as arc far from one end of reset spring.
By using above-mentioned technical proposal, it is conducive to fixed column disengaging fixation hole and reseting groove.
The utility model is further arranged to: the one end of the fixed column connected with reset spring is provided with limited block
One, limited block two is provided in the notch of the reseting groove, and for the reset spring in no external force, limited block one is close to solid
Determine hole and limited block two far from fixation hole while mutually abut.
By using above-mentioned technical proposal, the cooperation abutting of limited block one and limited block two is limited and is consolidated to fixed column
It is fixed, improve the job stability of fixation kit.
The utility model is further arranged to: the upper outside of the adjusting rod is provided with elastic anti-slip pad.
, can be with anti-dropout in detection operating process by using above-mentioned technical proposal, while the non-slip mat of elasticity may be used also
To there is buffer function, there is certain protective effect to operator.
The utility model is further arranged to: the upper end of the adjusting rod is provided with non-slipping block, and the diameter of non-slipping block is greater than
The diameter of power rod.
By using above-mentioned technical proposal, the setting of non-slipping block is convenient to operate the up and down adjustment of adjusting rod, is examining
During survey, it can prevent power stick from falling off.
The utility model is further arranged to: the lower part of the side of the adjusting rod is provided with sliding block, the accommodating groove
The sliding slot of longitudinal direction and sliding block cooperation is opened up in groove sidewall.
By using above-mentioned technical proposal, sliding block and sliding slot cooperation can be positioned and be limited to the position of fixation kit
Position avoids that dislocation occurs and fixed column and fixation hole is caused not to correspond to when adjusting rod is adjusted, improves fixation kit
The stability and accuracy of work.
The utility model is further arranged to: the sliding block is dovetails, and the sliding slot is dovetail groove.
By using above-mentioned technical proposal, increase the stability that sliding slot and sliding block are slidably connected, increases sliding block and sliding slot pair
The positioning action of fixation kit.
The utility model is further arranged to: power rod lower end is provided with stud one, and end is opened with the power stick hammer
Equipped with the internal thread groove one cooperated with stud one.
By using above-mentioned technical proposal, power rod and power stick hammer body pass through stud one and the progress of internal thread groove one screw thread company
It connects, detachably, is convenient for changing and repairs.
The utility model is further arranged to: power stick hammer body lower end is fixedly connected with nylon head.
By using above-mentioned technical proposal, the setting of nylon head reduces the interference of detection.
The utility model is further arranged to: the top of the nylon head is provided with protection ring, the upper end of the protection ring
Portion is threadedly coupled by internal screw thread with the lower end that power stick hammers body into shape.
By using above-mentioned technical proposal, nylon head is protected and fixed, to protect to power stick, extends power
The service life of stick.
In conclusion the advantageous effects of the utility model are as follows:
1, adjusting rod can be adjusted relative to the position of power rod, to increase the length of power rod, expand power stick
Application；
2, adjusting rod, which can be adjusted, is accommodated into accommodating groove, easy to carry；
3, the setting of sliding block and sliding slot can limit fixed column, avoid the fixed column when adjusting rod is mediated
It is displaced with fixation hole and causes adjusting rod cannot be fixed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the schematic cross-sectional view of the utility model.
Fig. 3 is the partial enlargement diagram of part A in Fig. 2.
Fig. 4 is the perspective view of the explosion of the utility model.
Appended drawing reference: 1, nylon head；2, power stick hammers body into shape；3, power rod；4, adjustment structure；41, accommodating groove；42, adjusting rod；
43, fixation kit；431, fixation hole；432, fixed column；433, reset spring；434, reseting groove；435, limited block one；436, it limits
Position block two；44, positioning component；441, sliding block；442, sliding slot；5, non-slip mat；6, non-slipping block；7, protection ring；8, connection component；
81, stud one；82, internal thread groove one；83, stud two；84, internal thread groove two.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Referring to Figures 1 and 2, it is a kind of detection force rod of low strain of foundation pile disclosed by the utility model, successively wraps from top to bottom
Include the power rod 3 being detachably connected by connection component 8, power stick hammers body 2 and nylon head 1 into shape.Detection force rod of low strain of foundation pile also wraps
It includes to be arranged in power rod 3 and adjustment structure 4 is set.
Referring to Fig. 2, connection component 8 includes stud 1, internal thread groove 1, stud 2 83 and internal thread groove 2 84.Power
3 lower end of rod and the upper end of stud 1 are integrally formed.1 top of nylon head be it is cylindric, lower part be it is bowl-shape.Nylon head 1 it is upper
End and the lower end of stud 2 83 are integrally formed.The upper end of power stick hammer body 2 opens up the internal thread groove 1 cooperated with stud 1, under
End opens up the internal thread groove 2 84 cooperated with stud 2 83.Power rod 3 and power stick hammer body 2 pass through stud 1 and internal thread groove one
82 are threadedly coupled.Nylon head 1 and power stick hammer body 2 are threadedly coupled by stud 2 83 and internal thread groove 2 84.In order to increase nylon
First 1 stability is provided with protection ring 7 in nylon head 1 and power stick hammer 2 junction of body, protection ring 7 by the internal screw thread of setting and
The external screw thread of power stick hammer 2 lower end outside face of body setting is threadedly coupled, the lower inner surface of protection ring 7 and nylon head 1 it is upper
Portion abuts.
Referring to Fig. 2 and Fig. 3, adjustment structure 4 includes accommodating groove 41, adjusting rod 42, fixation kit 43 and positioning component 44.Power
Rod 3 opens up vertical accommodating groove 41 from the upper end far from power stick hammer body 2, and adjusting rod 42 is mounted in accommodating groove 41, adjusting rod
42 lateral surface and the groove sidewall of accommodating groove 41 abut.Fixation kit 43 includes fixation hole 431, fixed column 432, reset spring
433 and reseting groove 434,3 side of power rod is spaced the fixation holes 431 for opening up multiple connection accommodating grooves 41 along the longitudinal direction, adjusts
Bar 42 opens up reseting groove 434 close to the lower end of the side of fixation hole 431, and the one of the groove bottom wall of reseting groove 434 and reset spring 433
End is fixedly connected, and the other end of reset spring 433 is fixedly connected with the one end of fixed column 432 in reseting groove 434, fixed column
432 other ends are located across fixation hole 431, can be pressed against completely in reseting groove 434 when fixed column 432 is pressed.It is fixed
Column 432 is set as arc far from one end of reset spring 433, passes in and out fixation hole 431 or reseting groove 434 convenient for fixed column 432.
The side of one end fixed column 432 and that reset spring 433 connects is integrally formed ring-like limited block 1, the slot of reseting groove 434
It is welded with ring-like limited block 2 436 in mouthful, in reset spring 433 in no external force, limited block 1 is close to fixation hole
431 and limited block 2 436 far from fixation hole 431 while mutually abut.
Referring to Fig. 2 and Fig. 4, positioning component 44 includes sliding block 441 and sliding slot 442.Sliding block 441 and the one of adjusting rod 42 at
Type, is arranged in the lower end of the side of adjusting rod 42, and sliding block 441 is dovetails.Longitudinal sum is opened up in the groove sidewall of accommodating groove 41
The sliding slot 442 that sliding block 441 cooperates, sliding slot 442 are dovetail groove.
Referring to Fig. 2 and Fig. 4, in operating force stick, power stick is slid in order to prevent, is provided on the top of adjusting rod 42 anti-skidding
Pad 5 is provided with non-slipping block 6 in the upper end of adjusting rod 42.The elastic anti-slip pad 5 made of rubber of non-slip mat 5, is bonded in adjusting rod
The lateral surface on 42 top.The diameter of non-slipping block 6 is greater than the diameter of power rod 3, convenient for the operation that adjusting rod 42 is adjusted.
The implementation principle of the present embodiment are as follows: fixed column 432 is pressed into reseting groove 434, operates non-slipping block 6 for adjusting rod
42 are adjusted to behind suitable position, fixed column 432 and 431 pairs of fixation hole it is corresponding when fixed column 432 reset spring 433 effect
Under can partially pass through fixation hole 431, adjusting rod 42 and power rod 3 are fixed.Position of the adjusting rod 42 relative to power rod 3
It can be adjusted, to increase the length of power rod 3, expand the application of power stick.Adjusting rod 42 can also be accommodated into receipts
It receives in slot 41, it is easy to carry.Connection, 7 and of protection ring of body 2 and nylon head 1 are hammered in the connection of power rod 3 and power stick hammer body 2, power stick into shape
The connection of power stick hammer body 2 is removably, to be convenient for changing and repair.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (10)
1. a kind of detection force rod of low strain of foundation pile, including power stick hammer body (2) and power rod (3), it is characterised in that: the power rod
(3) adjustment structure (4) are set on, the adjustment structure (4) includes accommodating groove (41), adjusting rod (42) and fixation kit
(43), the power rod (3) opens up longitudinal accommodating groove (41) from one end far from power stick hammer body (2), the adjusting rod (42)
It is arranged in accommodating groove (41), the fixation kit (43) includes fixation hole (431), fixed column (432), reset spring (433)
With reseting groove (434), power rod (3) side longitudinal gap opens up the fixation hole (431) of multiple connections accommodating groove (41), institute
It states adjusting rod (42) to open up reseting groove (434) close to the lower end of the side of fixation hole (431), the slot bottom of the reseting groove (434)
Wall is fixedly connected with the one end of reset spring (433), and the other end and fixed column (432) of the reset spring (433) are resetting
One end in slot (434) is fixedly connected, and fixed column (432) other end is located across fixation hole (431).
2. a kind of detection force rod of low strain of foundation pile according to claim 1, it is characterised in that: the fixed column (432) is remote
One end from reset spring (433) is set as arc.
3. a kind of detection force rod of low strain of foundation pile according to claim 1, it is characterised in that: the fixed column (432)
The side of one end of reset spring (433) connection is provided with limited block one (435), is set in the notch of the reseting groove (434)
It is equipped with limited block two (436), for the reset spring (433) in no external force, limited block one (435) is close to fixation hole
(431) and limited block two (436) far from fixation hole (431) while mutually abut.
4. a kind of detection force rod of low strain of foundation pile according to claim 1, it is characterised in that: the adjusting rod (42) it is upper
Elastic anti-slip pad (5) are provided on the outside of portion.
5. a kind of detection force rod of low strain of foundation pile according to claim 1, it is characterised in that: the adjusting rod (42) it is upper
End is provided with non-slipping block (6), and the diameter of non-slipping block (6) is greater than the diameter of power rod (3).
6. a kind of detection force rod of low strain of foundation pile according to claim 1, it is characterised in that: the one of the adjusting rod (42)
The lower part of side is provided with sliding block (441), and the sliding slot of longitudinal direction and sliding block (441) cooperation is opened up in the groove sidewall of the accommodating groove (41)
(442)。
7. a kind of detection force rod of low strain of foundation pile according to claim 6, it is characterised in that: the sliding block (441) is swallow
Tail block, the sliding slot (442) are dovetail groove.
8. a kind of detection force rod of low strain of foundation pile according to claim 1, it is characterised in that: power rod (3) lower end
It is provided with stud one (81), power stick hammer body (2) upper end offers the internal thread groove one (82) with stud one (81) cooperation.
9. a kind of detection force rod of low strain of foundation pile according to claim 1, it is characterised in that: under power stick hammer body (2)
End is detachably connected nylon head (1).
10. a kind of detection force rod of low strain of foundation pile according to claim 9, it is characterised in that: the nylon head (1) it is upper
Portion is provided with protection ring (7), and the upper end of the protection ring (7) is connected by the lower end screw thread of internal screw thread and power stick hammer body (2)
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006961.XU CN209368903U (en) | 2018-11-30 | 2018-11-30 | A kind of detection force rod of low strain of foundation pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006961.XU CN209368903U (en) | 2018-11-30 | 2018-11-30 | A kind of detection force rod of low strain of foundation pile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209368903U true CN209368903U (en) | 2019-09-10 |
Family
ID=67834677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822006961.XU Active CN209368903U (en) | 2018-11-30 | 2018-11-30 | A kind of detection force rod of low strain of foundation pile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209368903U (en) |
-
2018
- 2018-11-30 CN CN201822006961.XU patent/CN209368903U/en active Active
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