CN217517664U - A central positioner that is used for precast tubular pile drilling TV tester to transfer - Google Patents
A central positioner that is used for precast tubular pile drilling TV tester to transfer Download PDFInfo
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- CN217517664U CN217517664U CN202121496453.XU CN202121496453U CN217517664U CN 217517664 U CN217517664 U CN 217517664U CN 202121496453 U CN202121496453 U CN 202121496453U CN 217517664 U CN217517664 U CN 217517664U
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Abstract
The utility model discloses a central positioning device for lowering a prefabricated tubular pile drilling television tester, wherein one end of a bar-shaped ruler A and one end of a bar-shaped ruler B are mutually rotatably connected through a pin shaft A, the other end of the bar-shaped ruler A is fixed on the top surface of a pile body through a locking bolt M, a jack penetrates through the center of the pin shaft A from top to bottom, a supporting vertical rod is inserted in the jack, and the bottom of the jack is in threaded connection with the top surface of the pile body; one ends of the positioning plate A and the positioning plate B are mutually rotatably connected through a pin shaft B, the other ends of the positioning plate A and the positioning plate B are respectively fixed on the bar-shaped ruler A and the bar-shaped ruler B through a locking bolt N, and a through hole penetrates through the center of the pin shaft B up and down; the top of the drilling television tester is tied with a pull rope. According to the structure of the utility model, the vertical supporting rods are matched with the fixed pulleys for supporting, so that the positioning device is ensured to be well stressed, and the phenomenon that the supporting frame slides or slips is not easy to occur; in addition, the centering of the detection equipment is carried out through the base and the clamping seat, the top of the detection equipment is always centered, the wall is not easy to touch during the transfer, and the stability is high.
Description
Technical Field
The utility model belongs to the technical field of precast tubular pile detection and specifically relates to a central positioner that is used for precast tubular pile drilling TV tester to transfer.
Background
The prefabricated hollow pipe pile is a common pile type in engineering application, and is often used as a main foundation pile due to high strength, convenient construction and short construction period. In the work progress, need carry out quality testing to prefabricated hollow tube pile, generally carry out the detection tubular pile inner wall through drilling TV tester, detection efficiency is high, and it is directly perceived convenient.
However, when transferring the drilling TV tester toward the internal in pile body, need the support frame to support, the support frame of using always has two kinds, and one kind is that four feet support, fixes in the stake outside through four screw rods, and its drawback is: 1. the stress is not good, the fixing is in the left-right direction, the lifting direction is in the front-back direction, and the rack is easy to slide back and forth; 2. without a proper centering device, the drilling television tester can only be put down from the center of the orifice by feeling, the accuracy is low, and the drilling television tester is difficult to put down from the center of the orifice, so that the eccentricity is increased along with the increase of the depth, and equipment is easy to touch the hole wall; 3. the pile top is required to be exposed out of the ground for a certain distance, pile side soil or a concrete cushion layer is required to be excavated, an electric hammer is required, and time and labor are wasted.
The other type is a tripod support, three support legs are supported on the ground, and the defect is that: 1. the requirement on the landing force of the tripod is high due to the fact that the equipment is heavy, when the detection depth is deep, the weight of the equipment and the rope is heavy, and the tripod is easy to topple; 2. without a proper centering device, the drilling television tester can be placed from the center of the orifice only by feeling, the accuracy is low, and the drilling television tester is difficult to place from the center of the orifice, so that the eccentricity is larger and larger along with the increase of the depth, and equipment is easy to touch the wall of the orifice; 3. after a concrete cushion layer is poured on the ground, the tripod cannot be deeply fixed on the cushion layer and is easy to slip or fall.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a central positioner that is used for prefabricated tubular pile drilling TV tester to transfer overcomes prior art's defect, solves the support frame atress not good, easily slides or slip and the unable centering of drilling TV tester, easily bump the problem of wall.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the center positioning device for lowering the prefabricated tubular pile drilling television tester comprises a pile body, the drilling television tester, a base and a clamping seat, wherein the base comprises a bar-shaped ruler A and a bar-shaped ruler B, one end of the bar-shaped ruler A and one end of the bar-shaped ruler B are mutually rotatably connected through a pin shaft A, the other end of the bar-shaped ruler B are fixed on the top surface of the pile body through a locking bolt M, a jack penetrates through the center of the pin shaft A from top to bottom, a supporting vertical rod is inserted into the jack, and the bottom of the supporting vertical rod is in threaded connection with the top surface of the pile body;
the clamping seat comprises a positioning plate A and a positioning plate B, one ends of the positioning plate A and the positioning plate B are mutually and rotatably connected through a pin shaft B, the other ends of the positioning plate A and the positioning plate B are respectively fixed on the bar-shaped ruler A and the bar-shaped ruler B through a locking bolt N, and a through hole penetrates through the center of the pin shaft B from top to bottom;
the top of the drilling television tester is tied with a pull rope, and the top of the pull rope penetrates through the through hole and is wound on a pay-off wheel.
Furthermore, the top surface of the pile body is circular and is provided with a plurality of bolt holes at equal intervals, strip-shaped grooves C penetrate through the upper part and the lower part of the strip-shaped ruler A and the strip-shaped ruler B, and the locking bolts M penetrate through the strip-shaped grooves C and are fixed in the bolt holes;
locating plate A, locating plate B all run through from top to bottom have bar groove D, locking bolt N passes bar groove D, bar groove C from top to bottom in proper order and passes through lock nut fixed in bottom portion.
Furthermore, the strip ruler A and the strip ruler B are respectively provided with a scale mark, a middle point between the locking bolt M and the jack is taken, the locking bolt N is fixed at the middle point, the length edges of the strip ruler A and the strip ruler B are parallel to the scale marks, namely the strip ruler A is perpendicular to the positioning plate A, and the strip ruler B is perpendicular to the positioning plate B, so that the center of the pile hole is determined, and the center of the through hole is coincided with the center of the pile hole.
Furthermore, the supporting vertical rod is formed by integrally connecting a polished rod and a screw rod, an adjusting nut is connected to the screw rod in a threaded manner, and the bottom end part of the screw rod is connected into a bolt hole;
the polished rod top welding has the U-shaped seat, there is the fixed pulley through the vertical rotation of center pin in the U-shaped seat, the stay cord passes through the fixed pulley and winds in the actinobacillus wheel.
Further, bar chi A one end is equipped with splint groove A, bar chi B one end integral type is connected with splint B, splint B imbeds in splint groove A, round pin axle A runs through from top to bottom in splint groove A, splint B, bar chi A flushes with bar chi B top plane and bottom plane.
Furtherly, locating plate A one end is equipped with splint groove C, and locating plate B one end integral type is connected with splint D, splint D imbeds in splint groove C, round pin axle B runs through in splint groove C, splint D from top to bottom, locating plate A flushes with bottom plane with locating plate B top plane.
Further, a roller is vertically rotated in the through hole through a support shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model changes the traditional support frame structure, supports through the matching of the support vertical rod and the fixed pulley, ensures the good stress of the positioning device, and is not easy to have the phenomenon that the support frame slides or slips; in addition, the centering of the detection equipment is carried out through the base and the clamping seat, the top of the detection equipment is always centered, the wall is not easy to touch during the transfer, and the stability is high.
Drawings
Fig. 1 is a front view of the overall structure of the present invention.
Fig. 2 is a top view of the overall structure of the present invention, and the structure of the supporting vertical rod is not shown in the figure.
Fig. 3 is a base structure diagram of the present invention.
Fig. 4 is an exploded view of the base structure of the present invention.
Fig. 5 is a structure diagram of the cassette of the present invention.
Fig. 6 is an exploded view of the structure of the card seat of the present invention.
Fig. 7 is a structural view of the supporting vertical rod of the present invention.
Detailed Description
The present invention will be further clarified by the following detailed description, which is to be understood as being given by way of illustration only, and not by way of limitation, of the scope of the invention, which, after reading the present invention, is intended to fall within the scope of the appended claims, as modified by those skilled in the art in various equivalent forms.
Example 1: the central positioning device for lowering the precast tubular pile drilling television tester as shown in fig. 1 to 6 comprises a pile body 1 and a drilling television tester 2, and further comprises a base 3 and a clamping seat 4, wherein the base 3 comprises a bar-shaped ruler A31 and a bar-shaped ruler B32, one end of each of the bar-shaped ruler A and the bar-shaped ruler B32 is rotatably connected with each other through a pin shaft A33, the other end of each of the bar-shaped ruler A31 and the bar-shaped ruler B32 is fixed on the top surface of the pile body 1 through a locking bolt M34, a jack 35 penetrates through the center of the pin shaft A33 from top to bottom, a supporting vertical rod 8 is inserted in the jack 35, and the bottom of the supporting vertical rod 8 is in threaded connection with the top surface of the pile body 1;
the clamping seat 4 comprises a positioning plate A41 and a positioning plate B42, one ends of the positioning plate A41 and the positioning plate B42 are mutually rotatably connected through a pin shaft B43, the other ends of the positioning plate B42 are respectively fixed on a bar ruler A31 and a bar ruler B32 through locking bolts N44, and a through hole 45 penetrates through the center of a pin shaft B43 from top to bottom;
the top of the drilling television tester 2 is tied with a pull rope 10, and the top of the pull rope 10 penetrates through the through hole 45 and winds on the pay-off wheel 5.
The top surface of the pile body 1 is circular, a plurality of bolt holes are distributed at equal intervals, strip-shaped grooves C36 penetrate through the strip-shaped ruler A31 and the strip-shaped ruler B32 from top to bottom, the locking bolt M34 penetrates through the strip-shaped grooves C36 and is fixed in the bolt holes, and the position requirements of the bolt holes in the top surfaces of the pile bodies 1 with different sizes can be met by adjusting the locking bolt M34;
strip-shaped groove D46 is all run through from top to bottom to positioning plate A41, positioning plate B42, locking bolt N44 passes strip-shaped groove D46, strip-shaped groove C36 in proper order from top to bottom and passes through lock nut fixedly in bottom portion.
The strip ruler A31 and the strip ruler B32 are both provided with scale marks, the middle point between the locking bolt M34 and the jack 35 is taken, the locking bolt N44 is fixed at the middle point, the length edges of the strip ruler A31 and the strip ruler B32 are parallel to the scale marks, namely the strip ruler A31 is perpendicular to the positioning plate A41, and the strip ruler B32 is perpendicular to the positioning plate B42, so that the center of the pile hole is determined, and the center of the through hole 45 is coincided with the center of the pile hole.
The supporting vertical rod 8 is formed by integrally connecting a polished rod 37 and a screw rod 38, an adjusting nut 39 is connected to the screw rod 38 in a threaded manner, the bottom end part of the screw rod 38 is connected into a bolt hole, the requirements of different depths of the bolt hole can be met by controlling the adjusting nut 39, and the base 3 can be firmly fixed on the top surface of the pile body 1;
the welding of polished rod 37 top has U-shaped seat 6, there is fixed pulley 7 through the vertical rotation of center pin in U-shaped seat 6, stay cord 10 passes through fixed pulley 7 and winds in actinobacillus wheel 5.
Bar chi A31 one end is equipped with splint groove A311, bar chi B32 one end integral type is connected with splint B321, splint B321 is embedded in splint groove A311, round pin axle A33 runs through from top to bottom in splint groove A311, splint B321, bar chi A31 flushes with the bottom plane with bar chi B32 top plane.
Locating plate A41 one end is equipped with splint groove C411, and locating plate B42 one end integral type is connected with splint D421, splint D421 are embedded in splint groove C411, round pin axle B43 runs through in splint groove C411, splint D421 from top to bottom, locating plate A41 flushes with bottom plane with locating plate B42 top plane.
A roller 49 is vertically rotated in the through hole 45 through a support shaft 48.
The working principle of the utility model is as follows:
firstly, determining the positions of three bolt holes according to the number and the orientation of the bolt holes on the pile body 1, fixing the base 3 on the top surface of the pile body 1, and simultaneously inserting the support vertical rod 8 into the insertion hole 35 to further fix the base 3;
then, the clamping seat is fixed on a bar ruler A31 and a bar ruler B32 by utilizing the principle that the intersection point of the two chord perpendicular bisectors in a circle is the circle center;
and finally, slowly lowering the drilling television tester 2 to detect the inner wall of the pile body.
Claims (7)
1. A central positioning device for prefabricated tubular pile drilling TV tester is transferred, including pile body (1), drilling TV tester (2), its characterized in that: the pile body structure is characterized by further comprising a base (3) and a clamping seat (4), wherein the base (3) comprises a bar-shaped ruler A (31) and a bar-shaped ruler B (32), one ends of the bar-shaped ruler A and the bar-shaped ruler B are mutually rotatably connected through a pin shaft A (33), the other ends of the bar-shaped ruler A and the bar-shaped ruler B are fixed to the top surface of the pile body (1) through locking bolts M (34), insertion holes (35) penetrate through the center of the pin shaft A (33) from top to bottom, supporting vertical rods (8) are inserted into the insertion holes (35), and the bottoms of the supporting vertical rods (8) are in threaded connection with the top surface of the pile body (1);
the clamping seat (4) comprises a positioning plate A (41) and a positioning plate B (42), one ends of the positioning plate A and the positioning plate B are mutually rotatably connected through a pin shaft B (43), the other ends of the positioning plate A and the positioning plate B are respectively fixed on the bar-shaped ruler A (31) and the bar-shaped ruler B (32) through locking bolts N (44), and a through hole (45) penetrates through the center of the pin shaft B (43) up and down;
the top of the drilling television tester (2) is tied with a pull rope (10), and the top of the pull rope (10) penetrates through the through hole (45) and winds on the pay-off wheel (5).
2. The center positioning device for the lowering of the precast tubular pile drilling television tester as claimed in claim 1, is characterized in that: the top surface of the pile body (1) is circular, a plurality of bolt holes are distributed at equal intervals, strip-shaped grooves C (36) penetrate through the strip-shaped ruler A (31) and the strip-shaped ruler B (32) from top to bottom, and the locking bolts M (34) penetrate through the strip-shaped grooves C (36) and are fixed in the bolt holes;
locating plate A (41), locating plate B (42) all run through from top to bottom has bar groove D (46), locking bolt N (44) passes bar groove D (46), bar groove C (36) from top to bottom in proper order and passes through lock nut fixedly at the bottom portion.
3. The center positioning device for the lowering of the precast tubular pile drilling television tester as claimed in claim 2, is characterized in that: all be equipped with the scale mark on bar chi A (31), bar chi B (32), get the mid point between locking bolt M (34) and jack (35), be fixed in the mid point department and bar chi A (31) with locking bolt N (44), the length border of bar chi B (32) all is on a parallel with the scale mark, bar chi A (31) are perpendicular with locating plate A (41), bar chi B (32) are perpendicular with locating plate B (42) promptly, confirm the stake hole centre of a circle with this for through-hole (45) center and the coincidence of stake hole centre of a circle.
4. The center positioning device for lowering the precast tubular pile drilling television tester as claimed in claim 2, characterized in that: the supporting vertical rod (8) is formed by integrally connecting a polished rod (37) and a screw rod (38), an adjusting nut (39) is connected to the screw rod (38) in a threaded mode, and the bottom end portion of the screw rod (38) is connected into a bolt hole;
the welding of polished rod (37) top has U-shaped seat (6), there is fixed pulley (7) through the vertical rotation of center pin in U-shaped seat (6), stay cord (10) are through fixed pulley (7) and wire winding in actinobacillus wheel (5).
5. The center positioning device for lowering the precast tubular pile drilling television tester as claimed in claim 1, characterized in that: bar chi A (31) one end is equipped with splint groove A (311), bar chi B (32) one end integral type is connected with splint B (321), splint B (321) are embedded in splint groove A (311), round pin axle A (33) runs through in splint groove A (311), splint B (321) from top to bottom, bar chi A (31) flush with bar chi B (32) top plane and bottom plane.
6. The center positioning device for the lowering of the precast tubular pile drilling television tester as claimed in claim 1, is characterized in that: locating plate A (41) one end is equipped with splint groove C (411), and locating plate B (42) one end integral type is connected with splint D (421), splint D (421) are embedded in splint groove C (411), round pin axle B (43) runs through from top to bottom in splint groove C (411), splint D (421), locating plate A (41) and locating plate B (42) top plane flush with the bottom plane.
7. The center positioning device for the lowering of the precast tubular pile drilling television tester as claimed in claim 1, is characterized in that: a roller (49) is vertically rotated in the through hole (45) through a support shaft (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121496453.XU CN217517664U (en) | 2021-07-02 | 2021-07-02 | A central positioner that is used for precast tubular pile drilling TV tester to transfer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121496453.XU CN217517664U (en) | 2021-07-02 | 2021-07-02 | A central positioner that is used for precast tubular pile drilling TV tester to transfer |
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| Publication Number | Publication Date |
|---|---|
| CN217517664U true CN217517664U (en) | 2022-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121496453.XU Active CN217517664U (en) | 2021-07-02 | 2021-07-02 | A central positioner that is used for precast tubular pile drilling TV tester to transfer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005668A (en) * | 2023-01-04 | 2023-04-25 | 江苏力迈建设工程有限公司 | Tubular pile positioning device for PCMW (prestressed concrete cylinder pipe) construction method |
-
2021
- 2021-07-02 CN CN202121496453.XU patent/CN217517664U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116005668A (en) * | 2023-01-04 | 2023-04-25 | 江苏力迈建设工程有限公司 | Tubular pile positioning device for PCMW (prestressed concrete cylinder pipe) construction method |
| CN116005668B (en) * | 2023-01-04 | 2023-10-03 | 江苏力迈建设工程有限公司 | Tubular pile positioning device for PCMW (prestressed concrete cylinder pipe) construction method |
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