CN210741339U - Drilling diameter measuring device - Google Patents
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- CN210741339U CN210741339U CN201921473667.8U CN201921473667U CN210741339U CN 210741339 U CN210741339 U CN 210741339U CN 201921473667 U CN201921473667 U CN 201921473667U CN 210741339 U CN210741339 U CN 210741339U
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Abstract
The utility model relates to a drilling diameter measuring device. The drilling diameter measuring device comprises a measuring part, a traction part, a positioning frame, a first rotating assembly, a second rotating assembly, a first driving assembly, a second driving assembly, a measuring rod and a plurality of measuring assemblies, wherein the measuring part and the traction part are wound on the first rotating assembly and the second rotating assembly correspondingly respectively, the first driving assembly and the second driving assembly are used for controlling the rotating directions of the corresponding first rotating assembly and the corresponding second rotating assembly so as to regulate and control the extending lengths of the measuring part and the traction part, the bottom end of the traction part is connected with the top of the positioning frame, the bottom end of the measuring part is connected with the measuring rod, the plurality of measuring assemblies are pivoted to the bottom of the positioning frame, and the measuring assemblies are used for being matched with the positioning frame, the measuring rod and the measuring part so as to measure the drilling diameter of the position of the positioning frame. The utility model provides a diameter measurement accuracy to drilling low, measure the degree of difficulty big, can't carry out measuring technical problem to the arbitrary degree of depth in aperture.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to a drilling diameter measuring device.
Background
At present, pile foundations have become the main form of high-rise building foundations based on the bearing requirements of high-rise and super high-rise building foundations and the pile foundation construction technology is rapidly developed and matures day by day. As a construction method of a slurry dado cast-in-situ bored pile with earlier development and mature process, the method is designed and applied in a large quantity, and the main construction procedures sequentially comprise: leveling a field, preparing slurry, embedding a protective barrel, laying a working platform, installing a drilling machine and positioning, drilling to form a hole, cleaning the hole and checking the quality of the formed hole, lowering a reinforcement cage, pouring underwater concrete, pulling out the protective barrel and checking the quality. Drilling in each process is a key process, the hole forming quality can be guaranteed only by strictly performing according to operation requirements in construction, in actual construction, the control and measurement of parameters such as hole depth, verticality and sediment thickness in hole forming quality parameters are perfect, but no good method is provided for hole forming diameter inspection in the hole forming process, and the deviation of pile forming quality is large because the hole forming diameter cannot be monitored in real time and adjusted in time.
The existing pile diameter control means mostly use trial hole forming and pile testing result data as reference and basis, set related construction and mechanical technical parameters, and verify and adjust the post-control method through the concrete pouring filling coefficient value, but the existing hole forming monitoring equipment and method do not have a pile hole detection tool which can enable technical and quality inspectors such as supervision and the like to fully recognize the measured data and can be widely popularized and used and is easy to implement on site.
At the present stage, although some measuring devices for pore-forming pore diameters are provided, the low measurement precision, the inconvenient operation and the inability to measure the pore diameter at any depth all become obstacles for the popularization and the wide-range application of the pore-forming pore diameter measuring device.
Therefore, the inventor provides a drilling hole diameter measuring device by virtue of experience and practice of related industries for many years so as to overcome the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drilling diameter measuring device is through transferring drilling diameter measuring device in drilling to lift drilling diameter measuring device's measuring part and can accomplish the collection of data, can calculate the diameter of this degree of depth drilling according to the data of gathering, convenient operation, measuring accuracy are high, the security is high, drilling diameter measuring device simple structure, with low costs moreover has good practicality.
The purpose of the utility model can be realized by adopting the following technical scheme:
the utility model provides a drilling diameter measuring device, including the measuring part, draw piece, positioning frame, first runner assembly, second runner assembly, first drive assembly, second drive assembly, measuring stick and a plurality of measuring subassembly, wherein:
the measuring component and the traction component are respectively and correspondingly wound on the first rotating component and the second rotating component, the first driving component and the second driving component are used for controlling the rotating directions of the corresponding first rotating component and the second rotating component so as to regulate and control the extending length of the corresponding measuring component and the corresponding traction component, the bottom end of the traction component is fixedly connected with the top of the positioning frame, the bottom end of the measuring component is fixedly connected with the measuring rod, the measuring components are pivoted to the bottom of the positioning frame, and the measuring components are used for being matched with the positioning frame, the measuring rod and the measuring component so as to measure the diameter of a drill hole at the position of the positioning frame.
In a preferred embodiment of the present invention, the measuring assembly includes a first support rod, a second support rod and a third support rod, wherein:
the end part of the first supporting rod is used for extending upwards to a position between the outer side of the positioning frame and the inner wall of the drilling hole; the tip of second branch to positioning frame's inboard extends, third branch is located first branch with the below of second branch, just second branch with form first contained angle between the first branch, the second branch with form the second contained angle between the third branch, the tip of measuring stick is located in the second contained angle.
The utility model discloses a in a preferred embodiment, positioning frame includes horizontal connecting rod and many vertical connecting rods, each the top of vertical connecting rod is corresponding to be connected the tip of horizontal connecting rod, draw the bottom of piece with the middle part fixed connection of horizontal connecting rod, each measuring component correspond the pin joint in the bottom of vertical connecting rod, the tip of first branch is used for upwards extending to corresponding vertical connecting rod with between the inner wall of drilling.
In a preferred embodiment of the present invention, the wire guide hole is formed in the middle of the horizontal connecting rod, and the bottom end of the measuring member passes through the wire guide hole and extends to the lower side of the horizontal connecting rod.
In a preferred embodiment of the present invention, the sum of the lengths of the two second rods is less than the length of the horizontal connecting rod.
In a preferred embodiment of the present invention, the length of the horizontal connecting rod is L2The length of the measuring rod is L3The length of the first supporting rod is L4The mass of the third strut is m1The length of the third strut is l1The mass of the second strut is m2The length of the second strut is l2The mass of the first strut is m3An included angle between the second support rod and a bottom end connecting line of the vertical connecting rod is α, and an included angle between the third support rod and a bottom end connecting line of the vertical connecting rod is β;
the drilling diameter measuring device meets the following conditions:
m3L4sinα＞m2l2cosα+m1l1cosβ。
the utility model discloses an in a preferred embodiment, all be provided with the gag lever post on the vertical connecting rod, the one end of gag lever post is fixed and is corresponded on the vertical connecting rod, the other end to positioning frame's inboard extends, the gag lever post is located correspondingly the top of second branch.
The utility model discloses an in a preferred embodiment, the measuring part with pull the piece and all be used for setting up the drilling outside, pull the piece with the bottom of measuring part all is used for stretching into to in the drilling, just the bottom fixed connection that pulls in the middle part of horizontal connecting rod, the bottom fixed connection of measuring part in the middle part of measuring stick.
The utility model discloses an in a preferred embodiment, draw the piece with the measuring part corresponds for haulage rope and measuring rope, be provided with on the measuring part and be used for showing the mark of measuring part length.
In a preferred embodiment of the invention, the marking is a scale marked on the measuring member.
In a preferred embodiment of the present invention, the measuring member and the traction member are made of nylon.
In a preferred embodiment of the present invention, the first included angle is a right angle; the second included angle is an acute angle.
In a preferred embodiment of the present invention, the top and the bottom of the measuring rod are both provided with a limiting groove along the extending direction of the measuring rod, and the limiting groove at the bottom of the measuring rod is used for limiting the third support rod when the borehole diameter measuring device is lowered into the borehole; and the limiting groove at the top of the measuring rod is used for limiting the second supporting rod when the diameter of the drilled hole is measured.
In a preferred embodiment of the present invention, the first supporting rod is provided with a protective sleeve for fixing an end of the drill hole contacting the inner wall.
In a preferred embodiment of the present invention, the first support rod is a telescopic rod.
In a preferred embodiment of the present invention, the first rotating assembly is a first roller disposed above the drill hole for rotation, the second rotating assembly is a second roller disposed above the drill hole for rotation, the measuring member is wound on the first roller, and the traction member is wound on the second roller.
The utility model discloses an in a preferred embodiment, drilling diameter measuring device still includes linking bridge, linking bridge's top both sides are provided with the pivot respectively, first cylinder with the second cylinder cover is established in the pivot that corresponds, and passes through the pivot can the pivoted fix on the linking bridge.
The utility model discloses an in a preferred embodiment, drilling diameter measuring device still includes the guide bracket, the one end of guide bracket is fixed on the linking bridge, the other end of guide bracket is provided with the guide ring to extend to along the horizontal direction the top of drilling, the lower extreme of measuring part with the lower extreme of drawing the piece all passes stretch into behind the guide ring to in the drilling.
In a preferred embodiment of the present invention, the guide bracket is a telescopic rod.
In a preferred embodiment of the present invention, the first roller and the second roller are oppositely disposed on the same horizontal plane, the outer sidewall of the first roller and the outer sidewall of the second roller are connected to the connecting bracket through corresponding rotating shafts, the inner sidewall of the first roller is connected to the outer sidewall of the first turntable disposed along the vertical direction, and the inner sidewall of the first turntable is provided with a first rocking handle; the inside wall of second cylinder is connected with the lateral wall of the second carousel that sets up along vertical direction, be provided with the second rocking handle on the inside wall of second carousel, first drive assembly with second drive assembly correspond with first rocking handle with the second rocking handle is connected for correspond through first rocking handle with the second rocking handle drives first cylinder with the second cylinder rotates.
The utility model discloses an in a preferred embodiment, linking bridge's below is provided with fixed landing leg, fixed landing leg's top with linking bridge's bottom is connected, fixed landing leg's bottom is fixed on the bored concrete pile protects a section of thick bamboo, fixed landing leg sets up along vertical direction, linking bridge is used for by lower supreme to drilling side slope.
From top to bottom, the utility model discloses drilling diameter measuring device's characteristics and advantage are: the measuring device and the method for measuring the drilling diameter can be used for measuring the drilling diameter at any position, are simple and convenient to operate, have high accuracy and good safety and practicability, is suitable for being popularized and used in the field of aperture measurement of cast-in-situ bored piles.
Drawings
The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:
FIG. 1: do the utility model discloses drilling diameter measuring device's elevation view.
FIG. 2: do the utility model discloses drilling diameter measuring device's right side view.
FIG. 3: do the utility model discloses drilling diameter measuring device does not measure the position relation picture of each measuring part when measuring the drilling diameter.
FIG. 4: do the utility model discloses the position relation picture of each measuring part when drilling diameter measuring device measures the drilling diameter.
The utility model provides a reference numeral: 1. a first rotating assembly; 101. a first turntable; 102. a first rocking handle; 2. a second rotating assembly; 201. a second turntable; 202. a second rocking handle; 3. connecting a bracket; 4. fixing the supporting legs; 5. a measuring member; 6. a traction member; 7. a guide bracket; 701. a guide ring; 8. a horizontal connecting rod; 801. a wire guide hole; 9. a vertical connecting rod; 10. a shaft pin; 11. a first support bar; 12. a second support bar; 13. a third support bar; 14. a measuring rod; 15. a limiting rod; 16. a positioning frame; 17. and a measuring component.
Detailed Description
In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the utility model provides a drilling diameter measuring device, this drilling diameter measuring device includes measuring part 5, draw 6, positioning frame 16, first rotating assembly 1, second rotating assembly 2, first drive assembly, second drive assembly, measuring stick 14 and a plurality of measuring unit 17, wherein measuring part 5 is fixed twined on first rotating assembly 1, draw 6 fixed twines on second rotating assembly 2, first drive assembly is used for controlling the direction of rotation of first rotating assembly 1, second drive assembly is used for controlling the direction of rotation of second rotating assembly 2 to adjust and control the overhanging length of corresponding measuring part 5 and drawing part 6 through first drive assembly and second drive assembly. The bottom end of the traction member 6 is fixedly connected with the top of the positioning frame 16, the bottom end of the measuring member 5 is fixedly connected with the measuring rod 14, the measuring components 17 are pivoted at the bottom of the positioning frame 16, and the measuring components 17 are used for being matched with the positioning frame 16, the measuring rod 14 and the measuring member 5 so as to measure the diameter of a drill hole at the position of the positioning frame 16. The utility model discloses a measuring part 5 with draw 6 and carry measuring stick 14 and positioning frame 16 respectively and stretch into to the drilling and predetermine the degree of depth, cooperate through measuring subassembly 17, positioning frame 16, measuring stick 14 and measuring part 5 to measure the drilling diameter at 16 position of positioning frame, can measure the drilling diameter of optional position through this drilling diameter measuring device, easy and simple to handle, the degree of accuracy is high, has good security and practicality, is suitable for the aperture measurement field at the bored concrete pile and uses widely.
In an alternative embodiment of the present description, as shown in fig. 1 to 4, the measuring assembly 17 comprises a first strut 11, a second strut 12 and a third strut 13, wherein: the ends of the first struts 11 are intended to extend up between the outside of the positioning frame 16 and the inner wall of the bore hole; the end of the second supporting rod 12 extends towards the inner side of the positioning frame 16, the third supporting rod 13 is located below the first supporting rod 11 and the second supporting rod 12, a first included angle is formed between the second supporting rod 12 and the first supporting rod 11, a second included angle is formed between the second supporting rod 12 and the third supporting rod 13, and the end of the measuring rod 14 is located in the second included angle. When transferring drilling diameter measuring device in to drilling, measuring stick 14 downstream and tip and third branch 13's top outer wall offset, third branch 13 rotates downwards 11 upwards rotations in order to drive, to the tip of first branch 11 and the inner wall phase separation of drilling, cooperation through measuring stick 14 and third branch 13, make drilling diameter measuring device transfer the in-process, the tip of first branch 11 can not contact with the inner wall of drilling and rub, avoid causing wearing and tearing to the tip of first branch 11, prolong this drilling diameter measuring device's life. When using the utility model discloses a drilling diameter measuring device is when measuring the diameter of drilling, lift measuring part 5, measuring stick 14 rebound and tip offset with the bottom outer wall of second branch 12, second branch 12 upwards rotates in order to drive first branch 11 and rotates downwards, the tip of first branch 11 contacts with the inner wall of drilling, in last measuring part 5 in-process of lifting, according to the distance of lifting of measuring stick 5, distance between measuring stick 14 lowest position and the bottom connecting wire of positioning frame 16, positioning frame 16's width, measuring stick 14's length and first branch 11's length can calculate the drilling diameter that reachs this degree of depth and correspond promptly, and is easy and simple to handle, the degree of accuracy is high, be suitable for the aperture to the bored pile, especially, the less drilling in aperture is measured.
Specifically, the first included angle is a right angle; the second included angle is an acute angle.
In an alternative embodiment of the present disclosure, as shown in fig. 1 to 4, the positioning frame 16 includes a horizontal link 8 and a plurality of vertical links 9, the horizontal link 8 is disposed along a horizontal direction, the vertical links 9 are disposed along a vertical direction, a top end of each vertical link 9 is correspondingly connected to an end of the horizontal link 8, a bottom end of the traction member 6 is fixedly connected to a middle portion of the horizontal link 8, each measurement assembly 17 is correspondingly pivoted to a bottom end of the vertical link 9, and an end of the first support rod 11 is configured to extend upward between the corresponding vertical link 9 and an inner wall of the borehole. Wherein, the bottom end of the positioning frame 16 is the bottom end of the vertical connecting rod 9; the width of the positioning frame 16 is the length of the horizontal link 8.
Specifically, as shown in fig. 1 to 4, a wire guide hole 801 is formed in the middle of the horizontal connecting rod 8, and the bottom end of the measuring part 5 penetrates through the wire guide hole 801 and extends into the lower portion of the horizontal connecting rod 8, so that the measuring part 5 can extend into a drilled hole along the vertical direction and is located in the center of the drilled hole, and the measuring accuracy is improved.
Specifically, measuring part 5 and traction part 6 all are used for setting up in the drilling outside, and the bottom of traction part 6 and measuring part 5 all is used for stretching into to the drilling in, and the bottom fixed connection who draws 6 in the middle part of horizontal connecting rod 8, and the bottom fixed connection of measuring part 5 is in the middle part of measuring stick 14, guarantees to be transferring and promote the in-process to positioning frame 16 and measuring stick 14, and positioning frame 16 and measuring stick 14's both ends all are in balanced state, improve measuring accuracy.
In an alternative embodiment of the present description, the horizontal link 8 is a line-shaped one arranged in the horizontal direction. When the horizontal connecting rod 8 is in a shape of a straight line, the number of the vertical connecting rods 9 is two, and the two vertical connecting rods 9 are oppositely arranged at two ends of the horizontal connecting rod 8.
In various alternative embodiments of the present disclosure, the horizontal link 8 is in the shape of a cross disposed in the horizontal direction. When the horizontal connecting rods 8 are in a cross shape, the number of the vertical connecting rods 9 is four, the four vertical connecting rods 9 are correspondingly arranged at each end part of the vertical connecting rods 9, two of the vertical connecting rods 9 are oppositely arranged, and the other two vertical connecting rods 9 are oppositely arranged.
Specifically, the sum of the lengths of the two second struts 12 is smaller than the length of the horizontal connecting rod 8.
In particular, the horizontal link 8 has a length L2The length of the measuring rod 14 is L3The length of the first strut 11 is L4The mass of the third strut 13 is m1The third strut 13 has a length l1The mass of the second strut 12 is m2The second strut 12 has a length l2The mass of the first strut 11 is m3The angle between the second supporting rod 12 and the bottom connecting line of the vertical connecting rod 9 is α, and the angle between the third supporting rod 13 and the vertical connecting rod 9The included angle between the bottom end connecting lines is β, wherein the included angle α is the included angle between the second support rod 12 and the bottom end connecting line of the vertical connecting rod 9 when the measuring rod 14 is located at the lowest position, the included angle β is the included angle between the third support rod 13 and the bottom end connecting line of the vertical connecting rod 9 when the measuring rod 14 is located at the lowest position, therefore, the included angle is α and the included angle is β, both the included angle and the included angle are fixed values, in order to enable the measuring rod 14 to move downwards and enable the end part to be abutted against the top rod wall of the third support rod 13, and in the process of lifting the measuring piece 5, the first support rod 11 can rotate downwards and is contacted with the inner wall of the drill hole, and the condition:
m3L4sinα＞m2l2cosα+m1l1cosβ。
in an alternative embodiment of the present disclosure, as shown in fig. 1 to 4, each vertical connecting rod 9 is provided with a limiting rod 15 along the horizontal direction, one end of each limiting rod 15 is fixed on the corresponding vertical connecting rod 9, the other end extends towards the inner side of the positioning frame 16, the limiting rod 15 is located above the corresponding second supporting rod 12, and the length of the limiting rod 15 is smaller than the length of the corresponding second supporting rod 12. When the measuring part 5 is lifted up, the upward rotating angle of the second supporting rod 12 is limited through the limiting rod 15, and the accuracy of the measured data is guaranteed.
In an alternative embodiment of the description, the pulling element 6 is a pulling rope, the measuring element 5 is a measuring rope, and the measuring element 5 is provided with markings for indicating the length of the measuring element 5, so that the lowering length of the measuring element 5 is recorded.
Further, the marks are scales marked on the measuring member 5, and the minimum unit of the scales is millimeter.
Further, the measuring member 5 and the pulling member 6 can be made of, but not limited to, nylon.
In an optional embodiment of the present description, the top and the bottom of the measuring rod 14 are both provided with a limiting groove along the extending direction of the measuring rod 14, and the limiting groove at the bottom of the measuring rod 14 is used for limiting the third supporting rod 13 when the borehole diameter measuring device is lowered into the borehole; the limiting groove at the top of the measuring rod 14 is used for limiting the second support rod 12 when the diameter of the drilled hole is measured. When the drilling hole diameter measuring device is lowered into the drilling hole, the contact position of the top rod wall of the third support rod 13 and the measuring rod 14 is embedded into the limiting groove at the bottom of the measuring rod 14; when measuring the diameter of the drilled hole, the contact position of the bottom rod wall of the second support rod 12 and the measuring rod 14 is embedded into the limiting groove at the top of the measuring rod 14. Carry on spacingly to second branch 12 and third branch 13 when second branch 12 and third branch 13 contact with measuring stick 14 respectively through each spacing groove, the condition that the skew breaks away from appears when preventing second branch 12 and measuring stick 14 contact and third branch 13 and measuring stick 14 contact, guarantees the stability and the measuring accuracy of drilling diameter measuring device work, avoids measuring error's production.
In an alternative embodiment of the present description, the end of the first strut 11 intended to come into contact with the inner wall of the borehole is sheathed with a protective sheath. Avoid long-term work in-process through the protective sheath, the inner wall of drilling causes wearing and tearing to the tip of first branch 11, guarantees that first branch 11 can be long-term, normal use, guarantees measured data's accuracy.
Further, the protective sleeve may be made of, but not limited to, rubber.
In an optional embodiment of the present description, the first supporting rod 11 is a telescopic rod, and the length of the first supporting rod 11 can be adjusted according to the diameter range of different drill holes, so as to expand the application range of the drill hole diameter measuring device of the present invention.
In an alternative embodiment of the present disclosure, as shown in fig. 3 and 4, the bottom of the vertical link 9 is provided with a shaft pin 10, and each measuring assembly 17 is rotatably sleeved on the corresponding shaft pin 10.
In an alternative embodiment of the present description, as shown in fig. 1 and 2, the first rotating assembly 1 is a first drum for rotatable arrangement above the borehole, the second rotating assembly 2 is a second drum for rotatable arrangement above the borehole, the upper part of the measuring member 5 is wound on the first drum, and the upper part of the traction member 6 is wound on the second drum. The lowering or lifting of the measuring member 5 and the pulling member 6 is controlled by rotating the first roller and the second roller, respectively. The first driving assembly and the second driving assembly can respectively drive the first roller and the second roller to rotate and can respectively control the driving devices of the rotating directions of the first roller and the second roller.
Further, the driving means may be, but is not limited to, manually driven by a worker.
Specifically, as shown in fig. 1 and 2, the drilling diameter measuring device further includes a connecting support 3, two sides of the top of the connecting support 3 are respectively provided with a rotating shaft, and the first roller and the second roller are sleeved on the corresponding rotating shafts and rotatably fixed on the connecting support 3 through the rotating shafts.
Specifically, as shown in fig. 1 and 2, a first roller and a second roller are oppositely arranged on the same horizontal plane, the outer side wall of the first roller and the outer side wall of the second roller are connected with a connecting bracket 3 through corresponding rotating shafts, the inner side wall of the first roller is connected with the outer side wall of a first rotating disc 101 arranged along the vertical direction, and a first rocking handle 102 is arranged on the inner side wall of the first rotating disc 101; the inside wall of second cylinder is connected with the outside wall of the second carousel 201 that sets up along vertical direction, is provided with second rocking handle 202 on the inside wall of second carousel 201, and first drive assembly and second drive assembly correspond to be connected with first rocking handle 102 and second rocking handle 202 for it rotates to correspond to drive first cylinder and second cylinder through first rocking handle 102 and second rocking handle 202. The staff also can directly control the first roller and the second roller to rotate manually through the first rocking handle 102 and the second rocking handle 202, thereby controlling the lifting and lowering of the measuring part 5 and the traction part 6, and the operation is simple and convenient.
Specifically, as shown in fig. 1 and 2, a fixed leg 4 is arranged below the connecting support 3, the top of the fixed leg 4 is connected with the bottom of the connecting support 3, the bottom of the fixed leg 4 is fixed on the cast-in-place pile casing, the fixed leg 4 is arranged in the vertical direction, and the connecting support 3 is used for inclining from bottom to top to the side of the drilled hole, so that the measuring part 5 and the traction part 6 can extend into the drilled hole in the vertical direction.
In an optional embodiment of this specification, as shown in fig. 1 and fig. 2, the drilling diameter measuring device further includes a guide support 7, the guide support 7 is a long rod-shaped structure disposed along the horizontal direction, one end of the guide support 7 is fixed on the side wall of the connecting support 3, the other end of the guide support 7 is provided with a circular ring-shaped guide ring 701, the guide ring 701 extends to the upper side of the drilling along the horizontal direction, the lower end of the measuring piece 5 and the lower end of the traction piece 6 both penetrate through the guide ring 701 and then extend into the drilling hole, the guide ring 701 on the guide support 7 plays a role in guiding and limiting the measuring piece 5 and the traction piece 6, and it is ensured that the measuring piece 5 and the traction piece 6 both extend into the drilling hole along the vertical direction and are located at the center position of the drilling hole, thereby improving the accuracy of measurement and reducing the measurement error.
In this embodiment, but guide bracket 7 can be for but not limiting to telescopic link, can adjust guide bracket 7's length according to the position of drilling in the real work to ensure that guide ring 701 is located drilling directly over, increase the utility model discloses drilling diameter measuring device's suitability and controllability, and then improve measuring accuracy.
In an alternative embodiment of the present description, the horizontal linkage 8, the vertical linkage 9, the first strut 11, the second strut 12, the third strut 13, the measuring rod 14 and the guide bracket 7 may all be made of, but not limited to, steel.
As shown in fig. 1 to 4, the working process of the drilling diameter measuring device of the present invention includes the following steps:
step S1: attachment of the connecting bracket 3 and the fixed leg 4. After drilling to a depth to be measured, mounting a connecting support 3 on a protective steel cylinder, clamping a fixed support leg 4 on the protective steel cylinder of the cast-in-place pile, adjusting a guide ring 701 of a guide support 7 to be right above the drill hole, winding a measuring part 5 on a first roller of the connecting support 3, and winding a traction part 6 on a second roller, so that the bottoms of the measuring part 5 and the traction part 6 extend into the drill hole along the vertical direction;
step S2: positioning frame 16 and measuring component 17 are along drawing 6 at the uniform velocity and transfer to the drilling in, measuring 5 transfers with drawing 6 under the action of gravity of measuring stick 14 in step, transfers to stopping transferring after the degree of depth that awaits measuring, cooperatees through measuring component 17, positioning frame 16, measuring stick 14 and measuring 5, measures the drilling diameter of positioning frame 16 position.
In an alternative embodiment of the present specification, step S2 further includes:
step S201: the traction piece 6, the horizontal connecting rod 8 and the vertical connecting rod 9 are placed downwards in the drill hole at a constant speed by shaking the second rocking handle 202 arranged on the second roller 2, at the moment, the measurement piece 5 can be placed downwards synchronously with the traction piece 6 under the action of the gravity of the measurement rod 14, the change of scales on the measurement piece 5 is observed, the measurement piece is placed to the depth to be measured and then stops being placed, the measurement rod 14 moves downwards, the end part of the measurement piece is abutted against the outer wall of the corresponding third supporting rod 13, the third supporting rod 13 rotates downwards to drive the corresponding first supporting rod 11 to rotate upwards, the end part of the first supporting rod 11 is separated from the inner wall of the drill hole, and the scale value at a fixed height (the intersection of the measurement piece 5 and the guide support 7) at the moment is recorded as a (not shown), wherein the unit of a; as shown in FIG. 3, the measuring rod 14 is at the lowest position and is at a distance L from the bottom connecting line of the vertical link 90；
Step S202: the fixed traction piece 6 is fixed, the measuring piece 5 is lifted up at a constant speed, the measuring rod 14 moves upwards at the moment, the end part of the measuring rod abuts against the outer wall of the corresponding second supporting rod 12, and the second supporting rod 12 rotates upwards to drive the corresponding first supporting rod 11 to rotate downwards;
step S203: lifting the measuring part 5 at a constant speed until the measuring part is blocked (the shaking of the first rocking handle 102 is blocked), stopping continuously lifting, as shown in fig. 4, wherein two ends of the measuring rod 14 abut against the outer wall of the bottom of the corresponding second supporting rod 12, the end of the first supporting rod 11 contacts with the inner wall of the drill hole, and recording a scale value b (not shown) at the intersection of the measuring part 5 and the guide bracket 7 at the moment, wherein the unit of b is a length unit;
step S204, after the measuring part 5 is properly placed downwards, the first rocking handle 102 and the second rocking handle 202 are shaken simultaneously to enable the measuring part 5 and the traction part 6 to be lifted at a constant speed, the drilling hole diameter measuring device is taken out of a protective cylinder in the drilling hole, and the measuring process is finished;
step S205: and calculating the diameter D of the drilling position where the drilling diameter measuring device is located according to the recorded data, wherein the diameter calculation formula is as follows:
wherein L is1＝a-b-L0，L2To locate the width of the frame, L3For measuring the length, L, of the rod 144Is the length of the first strut 11.
In an alternative embodiment of the present description, in step S201, the measuring rod 14 moves downward and both ends of the measuring rod abut against the outer wall of the corresponding third supporting rod 13, so as to ensure that the first supporting rod 11 can rotate downward and contact the inner wall of the borehole during lifting up the measuring part 5, the following conditions should be satisfied:
m3L4sinα＞m2l2cosα+m1l1cosβ，
wherein m is1Is the mass of the third strut 13, /)1Is the length, m, of the third strut 132Is the mass of the second strut 12, /)2Is the length of the second strut 12, m3α is the angle between the second strut 12 and the bottom connecting line of the vertical link 9, and β is the angle between the third strut 13 and the bottom connecting line of the vertical link 9, which is the mass of the first strut 11.
The utility model discloses drilling diameter measuring device's characteristics and advantage are:
firstly, the measuring part 5 and the traction part 6 are respectively and correspondingly wound on the first rotating component 1 and the second rotating component 2 by the drilling diameter measuring device, the first driving component and the second driving component are used for controlling the rotating directions of the corresponding first rotating component 1 and the second rotating component 2 so as to regulate and control the extending length of the corresponding measuring part 5 and the corresponding traction part 6, the bottom end of the traction part 6 is fixedly connected with the top of the positioning frame 16, the bottom end of the measuring part 5 is fixedly connected with the measuring rod 14, the plurality of measuring components 17 are pivoted at the bottom of the positioning frame 16, the measuring rod 14 and the positioning frame 16 are respectively carried by the measuring part 5 and the traction part 6 to extend to the preset drilling depth, the drilling diameter at the position of the positioning frame 16 is measured by the cooperation of the measuring components 17, the positioning frame 16, the measuring rod 14 and the measuring part 5, the drilling diameter at any position can be measured by the drilling diameter measuring device, the method has the advantages of simple and convenient operation, high accuracy, good safety and practicability, and suitability for popularization and application in the field of pore diameter measurement of the cast-in-situ bored pile.
Two, this drilling diameter measuring device is when carrying out drilling diameter measurement, lift measuring part 5, measuring stick 14 moves upwards and the tip offsets with the bottom outer wall of the second branch 12 that corresponds, second branch 12 upwards rotates in order to drive the first branch 11 that corresponds and rotates downwards, the tip to first branch 11 contacts with the inner wall of drilling, in the process of lifting measuring part 5, according to the distance of lifting measuring part 5, the distance between the bottom connecting wire of measuring stick 14 lowest position and vertical connecting rod 9, the length of horizontal connecting rod 8, the length of measuring stick 14 and the length of first branch 11 can calculate the drilling diameter that this degree of depth corresponds promptly, and is easy and simple to handle, the degree of accuracy is high, has good security and practicality.
Third, connecting bracket 3 and fixed landing leg 4 have first rotating assembly 1 and second rotating assembly 2 in the outside fixed mounting of drilling among this drilling diameter measuring device, the upper portion winding of measuring part 5 is on first rotating assembly 1, the upper portion winding of pulling 6 is on second rotating assembly 2, the staff can control the lifting or lowering state of measuring part 5 and pulling 6 and the lifting or lowering distance of measuring part 5 and pulling 6 through manual, it is simple and convenient to control, extensive applicability.
The hole diameter measuring device can accurately measure the hole diameter, construction technical parameters such as slurry proportion, drilling speed and the like can be conveniently and timely adjusted according to the deviation of hole diameter measuring data and a design value, the quality problems such as hole collapse, overlarge deviation of the diameter of a local soil layer hole-forming pile and the like are reduced, the hole-forming quality is more scientifically controlled, the deviation between the hole diameter measuring data and the design value is reduced, the deviation between actual concrete pouring amount and theoretical calculated amount is reduced, the concrete filling coefficient is better controlled, the engineering cost can be saved under the condition that the quality requirement is met, the using amount of slurry and the slurry generation amount in the hole-forming process are reduced, and the environment-friendly requirement is better met.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (21)
1. A borehole diameter measuring device, characterized by comprising a measuring member (5), a traction member (6), a positioning frame (16), a first rotating assembly (1), a second rotating assembly (2), a first drive assembly, a second drive assembly, a measuring rod (14) and a plurality of measuring assemblies (17), wherein:
the measuring part (5) and the traction part (6) are respectively wound on the first rotating assembly (1) and the second rotating assembly (2) correspondingly, the first driving assembly and the second driving assembly are used for controlling the rotating directions of the corresponding first rotating assembly (1) and the second rotating assembly (2), so as to regulate the extension length of the corresponding measuring element (5) and the corresponding traction element (6), the bottom end of the traction piece (6) is fixedly connected with the top of the positioning frame (16), the bottom end of the measuring part (5) is fixedly connected with the measuring rod (14), a plurality of measuring components (17) are pivoted at the bottom of the positioning frame (16), the measuring component (17) is used for being matched with the positioning frame (16), the measuring rod (14) and the measuring piece (5) so as to measure the diameter of the drilled hole at the position of the positioning frame (16).
2. The borehole diameter measuring device according to claim 1, characterized in that the measuring assembly (17) comprises a first strut (11), a second strut (12) and a third strut (13), wherein:
the end of the first strut (11) is used for extending upwards to a position between the outer side of the positioning frame (16) and the inner wall of the drill hole; the tip of second branch (12) to the inboard of positioning frame (16) extends, third branch (13) are located first branch (11) with the below of second branch (12), just second branch (12) with form first contained angle between first branch (11), second branch (12) with form the second contained angle between third branch (13), the tip of measuring stick (14) is located in the second contained angle.
3. The borehole diameter measuring device according to claim 2, characterized in that the positioning frame (16) comprises a horizontal link (8) and a plurality of vertical links (9), wherein the top end of each vertical link (9) is correspondingly connected to the end of the horizontal link (8), the bottom end of the traction member (6) is fixedly connected with the middle part of the horizontal link (8), each measuring assembly (17) is correspondingly pivoted to the bottom end of the vertical link (9), and the end of the first strut (11) is used for extending upwards to the position between the corresponding vertical link (9) and the inner wall of the borehole.
4. The borehole diameter measuring device according to claim 3, characterized in that a wire guide hole (801) is formed in the middle of the horizontal link (8), and the bottom end of the measuring member (5) extends below the horizontal link (8) through the wire guide hole (801).
5. A drill hole diameter measuring device according to claim 3, characterized in that the sum of the lengths of the two second struts (12) is smaller than the length of the horizontal link (8).
6. A drill hole diameter measuring device according to claim 3, characterized in that the length of the horizontal connecting rod (8) is L2The length of the measuring rod (14) is L3The length of the first strut (11) is L4The mass of the third strut (13) is m1The length of the third strut (13) is l1The mass of the second strut (12) is m2The length of the second strut (12) is l2The mass of the first strut (11) is m3The included angle between the second support rod (12) and the bottom end connecting line of the vertical connecting rod (9) is α, and the included angle between the third support rod (13) and the bottom end connecting line of the vertical connecting rod (9) is β;
the drilling diameter measuring device meets the following conditions:
m3L4sinα＞m2l2cosα+m1l1cosβ。
7. the borehole diameter measuring device according to claim 3, characterized in that each of the vertical links (9) is provided with a limiting rod (15), one end of each limiting rod (15) is fixed on the corresponding vertical link (9), the other end extends towards the inner side of the positioning frame (16), and the limiting rods (15) are located above the corresponding second supporting rod (12).
8. The borehole diameter measuring device according to claim 3, characterized in that the measuring member (5) and the pulling member (6) are both adapted to be arranged outside the borehole, the bottom ends of the pulling member (6) and the measuring member (5) are both adapted to extend into the borehole, and the bottom end of the pulling member (6) is fixedly connected to the middle of the horizontal link (8), and the bottom end of the measuring member (5) is fixedly connected to the middle of the measuring rod (14).
9. The borehole diameter measuring device according to claim 1, characterized in that the pulling member (6) and the measuring member (5) are a pulling rope and a measuring rope, respectively, and that the measuring member (5) is provided with markings for indicating the length of the measuring member (5).
10. A drill hole diameter measuring device according to claim 9, characterized in that said markings are graduations marked on said measuring member (5).
11. A drill hole diameter measuring device according to claim 9, characterized in that the measuring member (5) and the pulling member (6) are both made of nylon.
12. The borehole diameter measurement device according to claim 2, wherein the first included angle is a right angle; the second included angle is an acute angle.
13. The device for measuring the drilling diameter according to claim 2, wherein the top and the bottom of the measuring rod (14) are provided with limiting grooves along the extending direction of the measuring rod (14), and the limiting grooves at the bottom of the measuring rod (14) are used for limiting the third supporting rod (13) when the device for measuring the drilling diameter is lowered into the drilling hole; and the limiting groove at the top of the measuring rod (14) is used for limiting the second support rod (12) when the diameter of the drilled hole is measured.
14. A drill hole diameter measuring device according to claim 2, characterized in that the end of the first strut (11) intended to be in contact with the inner wall of the drill hole is sheathed with a protective sleeve.
15. A drill hole diameter measuring device according to claim 2, characterized in that the first strut (11) is a telescopic rod.
16. The borehole diameter measuring device according to claim 1, characterized in that the first rotating assembly (1) is a first drum for rotatable arrangement above the borehole, the second rotating assembly (2) is a second drum for rotatable arrangement above the borehole, the measuring member (5) is wound on the first drum, and the traction member (6) is wound on the second drum.
17. The borehole diameter measuring device according to claim 16, further comprising a connecting bracket (3), wherein two sides of the top of the connecting bracket (3) are respectively provided with a rotating shaft, and the first roller and the second roller are sleeved on the corresponding rotating shafts and rotatably fixed on the connecting bracket (3) through the rotating shafts.
18. The borehole diameter measuring device according to claim 17, characterized in that the borehole diameter measuring device further comprises a guide bracket (7), one end of the guide bracket (7) is fixed on the connecting bracket (3), the other end of the guide bracket (7) is provided with a guide ring (701) and extends above the borehole along a horizontal direction, and the lower end of the measuring piece (5) and the lower end of the traction piece (6) both pass through the guide ring (701) and then extend into the borehole.
19. Drill hole diameter measuring device according to claim 18, characterized in that the guide bracket (7) is a telescopic rod.
20. The borehole diameter measuring device according to claim 17, characterized in that the first roller and the second roller are oppositely arranged on the same horizontal plane, the outer side wall of the first roller and the outer side wall of the second roller are connected with the connecting bracket (3) through corresponding rotating shafts, the inner side wall of the first roller is connected with the outer side wall of a first turntable (101) arranged along the vertical direction, and a first crank (102) is arranged on the inner side wall of the first turntable (101); the inside wall of second cylinder is connected with the lateral wall of second carousel (201) that sets up along vertical direction, be provided with second rocking handle (202) on the inside wall of second carousel (201), first drive assembly with second drive assembly correspond with first rocking handle (102) with second rocking handle (202) are connected for correspond through first rocking handle (102) with second rocking handle (202) drive first cylinder with the second cylinder rotates.
21. The borehole diameter measuring device according to claim 17, characterized in that a fixed leg (4) is arranged below the connecting bracket (3), the top of the fixed leg (4) is connected with the bottom of the connecting bracket (3), the bottom of the fixed leg (4) is fixed on a cast-in-place pile casing, the fixed leg (4) is arranged in a vertical direction, and the connecting bracket (3) is used for inclining from bottom to top to the borehole side.
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| CN201921473667.8U CN210741339U (en) | 2019-09-03 | 2019-09-03 | Drilling diameter measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530238A (en) * | 2019-09-03 | 2019-12-03 | 中冶京诚工程技术有限公司 | Bore diameter measuring device and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530238A (en) * | 2019-09-03 | 2019-12-03 | 中冶京诚工程技术有限公司 | Bore diameter measuring device and method |
| CN110530238B (en) * | 2019-09-03 | 2023-12-05 | 中冶京诚工程技术有限公司 | Drilling diameter measuring device and method |
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