CN212658186U - Pile hole depth measuring device - Google Patents
Pile hole depth measuring device Download PDFInfo
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- CN212658186U CN212658186U CN202021529787.8U CN202021529787U CN212658186U CN 212658186 U CN212658186 U CN 212658186U CN 202021529787 U CN202021529787 U CN 202021529787U CN 212658186 U CN212658186 U CN 212658186U
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model belongs to the field of the construction and specifically relates to a stake hole degree of depth measuring device is related to, which comprises a bracket, the level rotates the step shaft of wearing to locate on the support and sets firmly in the rotary drum of step shaft week side, it surveys long rope to coil in the week side of rotary drum, the free end of surveying long rope is equipped with test probe admittedly, set firmly the ring gear coaxial with the step shaft on the lateral wall of support, the tooth's socket of ring gear is seted up on the inner wall of ring gear, the slip cover of step shaft week side is equipped with the rotational speed locating part that the activity meshed in the ring gear, the opposite side of support has set firmly operating handle in the tip of step shaft. This application has the effect that can limit the biggest speed of transferring of length measuring rope.
Description
Technical Field
The application relates to the field of building construction, especially relates to a stake hole degree of depth measuring device.
Background
The cast-in-place reinforced concrete pile has the advantages of high bearing capacity, good uplift resistance and the like, and is widely applied to the fields of house buildings, large public buildings, hydraulic buildings and the like, and constructors need to measure the depth of a pile hole in pile foundation construction to ensure the quality of the pile hole.
The existing Chinese patent with the patent publication number of CN206772202U is retrieved, and the device comprises a frame body and a winding frame which is rotatably connected to the frame body, wherein a length measuring line is wound on the winding frame, a tension sensor is arranged at the end part of the length measuring line, a balancing weight is hung on the tension sensor, a weight detection signal is output at the signal output end of the tension sensor, the balancing weight is hung at the bottom of the tension sensor, and a state control circuit is coupled with the tension sensor.
Aiming at the related technologies, the inventor thinks that the length measuring line is inconvenient to control the lowering speed of the length measuring rope when being lowered, the rotating speed of the length measuring rope is too high, safety accidents are easily caused, and the lowering speed of the length measuring rope delays the time to influence the working efficiency.
SUMMERY OF THE UTILITY MODEL
In order to limit the biggest speed of transferring of length of survey rope, this application provides a stake hole depth measuring device.
The application provides a stake hole degree of depth measuring device adopts following technical scheme:
a pile hole depth measuring device comprises a support, a stepped shaft horizontally and rotatably arranged on the support in a penetrating mode and a rotary drum fixedly arranged on the periphery of the stepped shaft, wherein a length measuring rope is wound on the periphery of the rotary drum, and a detection probe is fixedly arranged at the free end of the length measuring rope;
set firmly on the lateral wall of support with the coaxial ring gear of step shaft, the tooth's socket of ring gear is seted up on the inner wall of ring gear, the sliding sleeve of step shaft week side is equipped with the activity and is engaged in the rotational speed locating part of ring gear, the opposite side of support in the tip of step shaft has set firmly operating handle.
By adopting the technical scheme, when measuring the depth of the pile hole, a constructor transfers the support to the peripheral edge of the top end of the pile hole, the detection probe is positioned above the opening of the pile hole, the stepped shaft is rotated along the axial direction of the rotary drum by holding the operation handle, so as to drive the rotary drum to synchronously rotate, gradually lowering the length measuring rope coiled on the peripheral side of the rotary drum into the pile rotating hole, a rotating speed limiting part is additionally arranged on the stepped shaft, the rotating speed limiting part is meshed with a tooth groove on the inner wall of the gear ring under the action of centrifugal force when the rotating speed is overhigh so as to limit the rotation of the stepped shaft, thereby limiting the maximum lowering speed of the length measuring rope, on one hand, the rotating speed can be controlled to reduce the potential safety hazard, meanwhile, normal transfer of the length measuring rope cannot be influenced, and the detection probe at the free end of the length measuring rope can be protected to impact the bottom wall of the pile hole vigorously on the other hand, so that the service life of the detection probe is ensured.
Preferably, the rotational speed locating part includes that the slip cap is located the cam of step shaft week side, the protruding end of cam set firmly with the spacing tooth of ring gear meshing, the spout has been seted up along its radius in cam center department, the spout is the rectangle, the step shaft wears to be located in the spout, the inside elastic component that still is provided with of spout.
Through adopting above-mentioned technical scheme, when constructor rotated the step shaft at the uniform velocity and transferred, the cam all was located the central point of ring gear with spacing tooth and put to not mesh with the ring gear inner wall, when constructor's rotational speed was too high, the cam slided in step shaft week side along the spout under the effect of centrifugal force, and promoted the elastic component shrink, spacing tooth meshing just this moment rotates spacingly on the inner wall of ring gear, simple structure and exquisiteness, the practicality is high.
Preferably, the step shaft includes round bar, square shaft and gag lever post, the round bar rotates and wears to establish in the support, the tip of gag lever post coaxial set firmly in round bar one end, just the gag lever post diameter is greater than the round bar, square shaft tip with the round bar other end is fixed, the square shaft both sides with the spout inner wall slides and contradicts.
Preferably, the cross section of the square shaft is T-shaped, and the step surface of the square shaft is in sliding connection with the surface of the cam.
Through adopting above-mentioned technical scheme, the setting of square shaft can cooperate the gag lever post with the round bar spacing on the support to prevent that the condition of rotary drum and step shaft slippage carelessly takes place at the rotation in-process, the fastness is higher.
Preferably, the elastic element comprises a spring, one end of the spring is fixedly arranged on the inner wall of the sliding groove, and the other end of the spring is fixedly connected with the side wall of the square shaft.
Through adopting above-mentioned technical scheme, the spring is as restoring to the throne the piece, makes spacing tooth and ring gear meshing back immediately restore to the throne under its elastic effect to ensure the normal of follow-up length measuring rope and transfer.
Preferably, the free end of the length measuring rope is further fixedly provided with a heavy hammer located on the upper end face of the detection probe.
Through adopting above-mentioned technical scheme, the adding of weight is established and is made can remain vertical state throughout when putting down of length measuring rope to reduce test probe's the range of rocking, make measured data more accurate.
Preferably, the support comprises a bottom plate and support rods vertically and fixedly arranged on two opposite side walls of the bottom plate, and the bottom surface of the bottom plate is rotatably connected with universal wheels.
Through adopting above-mentioned technical scheme, the bottom plate is transferred and is equipped with the universal wheel and can be convenient for promote the support and carry out real-time transfer to measuring device to detect respectively a plurality of stake holes, it is more convenient to shift.
Preferably, the circumference side of the length measuring rope is provided with a scale mark.
Through adopting above-mentioned technical scheme, the adding of scale mark establishes and can make constructor more audio-visual take the lead to observe roughly transferring the length to adjust immediately and transfer speed, the controllability is higher.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the rotating speed limiting piece is additionally arranged on the stepped shaft, and is meshed with the tooth socket on the inner wall of the gear ring under the action of centrifugal force when the rotating speed is too high, so that the rotation of the stepped shaft is limited, and the maximum lowering speed of the length measuring rope is further limited;
2. through under the effect of centrifugal force the cam slides in the week side of stepped shaft along the spout to promote the elastic component shrink, spacing tooth meshing just this moment rotates spacingly on the inner wall of ring gear, simple structure and exquisiteness, the practicality is high.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a schematic cross-sectional view taken along line B-B of fig. 1.
Reference numerals: 1. a support; 101. a base plate; 102. a strut; 103. a universal wheel; 2. a stepped shaft; 21. a round bar; 22. a square shaft; 23. a limiting rod; 3. a rotating drum; 4. measuring a length rope; 5. detecting a probe; 6. a weight; 7. a toothed ring; 8. a rotational speed limiting part; 81. a cam; 82. limiting teeth; 83. a chute; 84. a spring; 9. an operating handle; 10. a cross bar; 11. the roller is rotated.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
Referring to fig. 1 and 3, the embodiment of the application discloses a pile hole depth measuring device, which comprises a support 1, a support frame, a support rod and a universal wheel, wherein the support rod comprises a bottom plate 101 and support rods 102 vertically and fixedly arranged on two opposite side walls of the bottom plate 101, the bottom surface of the bottom plate 101 is rotatably connected with the universal wheel 103, and the universal wheel 103 is arranged under the bottom plate 101, so that the support frame 1 can be pushed to transfer the measuring device in real time, a plurality of pile holes can be detected respectively, and the transfer is more convenient; step shaft 2 is worn to be equipped with in the level rotation between two spinal branch poles 102, including round bar 21, square shaft 22 and gag lever post 23, round bar 21 rotates and wears to establish in support 1, the rotary drum 3 has set firmly on the week side of round bar 21, the tip of gag lever post 23 is coaxial to set firmly in round bar 21 one end, and gag lever post 23 diameter is greater than round bar 21, square shaft 22 tip is fixed with round bar 21 other end, square shaft 22 both sides and spout 83 inner wall slip conflict, square shaft 22's cross-section is "T" style of calligraphy, square shaft 22 set up can cooperate gag lever post 23 with round bar 21 spacing on support 1, take place in the condition of the careless slippage of rotation in-process with prevent rotary drum 3 and step shaft 2, the fastness is higher.
Referring to fig. 1, two sides of two support rods 102 are vertically and fixedly provided with cross rods 10, a rotating roller 11 is horizontally and rotatably connected between the two cross rods 10, the rotating roller 11 is cylindrical, a length measuring rope 4 is coiled on the peripheral side of a rotary drum 3, the peripheral side of the length measuring rope 4 is placed on the peripheral side of the rotating roller 11 in a sliding mode, and the cross rods 10 are additionally arranged to enable the length measuring rope 4 to be vertically pulled into pile holes; the scale marks are arranged on the peripheral side of the length measuring rope 4, and the addition of the scale marks can lead constructors to observe the approximate lowering length more intuitively, so that the lowering speed can be adjusted immediately, and the controllability is higher; survey the free end of long rope 4 and firmly be equipped with test probe 5, the free end of long rope 4 still sets firmly the weight 6 that is located 5 up end of test probe, and the adding of weight 6 makes the long rope 4 of surveying can remain vertical state when putting down all the time to reduce test probe 5's the range of rocking, make measured data more accurate.
Referring to fig. 1 and 2, a toothed ring 7 coaxial with the stepped shaft 2 is fixedly arranged on the side wall of the bracket 1, a tooth groove of the toothed ring 7 is formed in the inner wall of the toothed ring 7, a rotating speed limiting member 8 movably meshed with the toothed ring 7 is slidably sleeved on the peripheral side of the stepped shaft 2, and an operating handle 9 is fixedly arranged at the end part of the stepped shaft 2 on the other side of the bracket 1; when a constructor measures the depth of a pile hole, the support 1 is transferred to the peripheral edge of the top end of the pile hole, the detection probe 5 is positioned above the opening of the pile hole, the stepped shaft 2 is rotated along the axial direction of the rotary drum 3 by holding the operation handle 9 by hand, so as to drive the rotary drum 3 to synchronously rotate, gradually lowering the length measuring rope 4 coiled on the peripheral side of the rotary drum 3 into the pile rotating hole, a rotating speed limiting piece 8 is additionally arranged on the stepped shaft 2, the rotating speed limiting piece 8 is meshed with a tooth socket on the inner wall of the gear ring 7 under the action of centrifugal force when the rotating speed is overhigh so as to limit the rotation of the stepped shaft 2, thereby limiting the maximum lowering speed of the length measuring rope 4, on one hand, the rotating speed can be controlled to reduce the potential safety hazard, meanwhile, normal lowering of the length measuring rope 4 cannot be influenced, and the detection probe 5 at the free end of the length measuring rope 4 can be protected to impact the bottom wall of the pile hole vigorously on the other hand, so that the service life of the detection probe 5 is ensured.
Referring to fig. 2, the rotation speed limiting member 8 includes a cam 81 slidably sleeved on the periphery of the stepped shaft 2, the stepped surface of the square shaft 22 is slidably connected with the surface of the cam 81, a protruding end of the cam 81 is fixedly provided with a limiting tooth 82 meshed with the toothed ring 7, the center of the cam 81 is provided with a sliding groove 83 along the radius thereof, the sliding groove 83 is rectangular, the stepped shaft 2 is inserted into the sliding groove 83, an elastic member is further arranged inside the sliding groove 83, when a constructor rotates the stepped shaft 2 at a constant speed to lower, the cam 81 and the limiting tooth 82 are both located at the center of the toothed ring 7 and are not meshed with the inner wall of the toothed ring 7, when the rotation speed of the constructor is too high, the cam 81 slides along the sliding groove 83 on the periphery of the stepped shaft 2 under the action of centrifugal force and pushes the elastic member to contract, and the limiting tooth 82 is just meshed with the inner wall of the toothed ring 7 to rotate and limit; the elastic member comprises a spring 84, one end of the spring 84 is fixedly arranged on the inner wall of the sliding groove 83, the other end of the spring 84 is fixedly connected with the side wall of the square shaft 22, and the spring 84 is used as a resetting member to enable the limiting tooth 82 to be reset immediately under the elastic action after being meshed with the toothed ring 7 so as to ensure the normal downward placement of the subsequent length measuring rope 4.
The implementation principle of the embodiment is as follows: through the sliding sleeve on week side at step shaft 2 and being equipped with cam 81, under the effect of centrifugal force with spring 84's cooperation, make spacing tooth 82 swing joint on the tooth's socket of ring gear 7, with the biggest speed of transferring of injecing length measuring rope 4, steerable rotational speed is in order to reduce the potential safety hazard on the one hand, also can not influence the normal of length measuring rope 4 and transfer simultaneously, on the other hand still can protect the 5 bottom walls of violently striking to the stake hole of the test probe of length measuring rope 4 free end, in order to ensure test probe 5's life.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a stake hole depth measuring device which characterized in that: the device comprises a support (1), a stepped shaft (2) horizontally and rotatably arranged on the support (1) in a penetrating manner and a rotary drum (3) fixedly arranged on the periphery of the stepped shaft (2), wherein a length measuring rope (4) is wound on the periphery of the rotary drum (3), and a detection probe (5) is fixedly arranged at the free end of the length measuring rope (4);
set firmly on the lateral wall of support (1) with coaxial ring gear (7) of shoulder shaft (2), the tooth's socket of ring gear (7) is seted up on the inner wall of ring gear (7), shoulder shaft (2) week side slip cover is equipped with the activity and is engaged in rotational speed locating part (8) of ring gear (7), the opposite side of support (1) in the tip of shoulder shaft (2) has set firmly operating handle (9).
2. The pile hole depth measuring device of claim 1, wherein: rotational speed locating part (8) are located including the slip cap cam (81) of shoulder axle (2) week side, the protruding end of cam (81) set firmly with spacing tooth (82) of ring gear (7) meshing, spout (83) have been seted up along its radius in cam (81) center department, spout (83) are the rectangle, shoulder axle (2) are worn to locate in spout (83), spout (83) inside still is provided with the elastic component.
3. The pile hole depth measuring device of claim 2, wherein: stepped shaft (2) include round bar (21), square shaft (22) and gag lever post (23), round bar (21) rotate wear to establish in support (1), the tip of gag lever post (23) is coaxial set firmly in round bar (21) one end, just gag lever post (23) diameter is greater than round bar (21), square shaft (22) tip with round bar (21) other end is fixed, square shaft (22) both sides with spout (83) inner wall slide conflict.
4. The pile hole depth measuring device of claim 3, wherein: the cross section of the square shaft (22) is T-shaped, and the step surface of the square shaft (22) is in sliding connection with the surface of the cam (81).
5. The pile hole depth measuring device of claim 4, wherein: the elastic piece comprises a spring (84), one end of the spring (84) is fixedly arranged on the inner wall of the sliding groove (83), and the other end of the spring (84) is fixedly connected with the side wall of the square shaft (22).
6. The pile hole depth measuring device of claim 1, wherein: and a heavy hammer (6) positioned on the upper end surface of the detection probe (5) is fixedly arranged at the free end of the length measuring rope (4).
7. The pile hole depth measuring device of claim 1, wherein: the support (1) comprises a bottom plate (101) and support rods (102) vertically and fixedly arranged on two opposite side walls of the bottom plate (101), and the bottom surface of the bottom plate (101) is rotatably connected with universal wheels (103).
8. The pile hole depth measuring device of claim 1, wherein: and scale marks are arranged on the peripheral side of the length measuring rope (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021529787.8U CN212658186U (en) | 2020-07-28 | 2020-07-28 | Pile hole depth measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021529787.8U CN212658186U (en) | 2020-07-28 | 2020-07-28 | Pile hole depth measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212658186U true CN212658186U (en) | 2021-03-05 |
Family
ID=74769969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021529787.8U Active CN212658186U (en) | 2020-07-28 | 2020-07-28 | Pile hole depth measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212658186U (en) |
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2020
- 2020-07-28 CN CN202021529787.8U patent/CN212658186U/en active Active
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