Cast-in-place pile drilling positioning device for road and bridge construction

Abstract

The utility model relates to the technical field of drilling positioning, in particular to a cast-in-place pile drilling positioning device for road and bridge construction. The positioning device has the advantages that the driving worm is rotated to drive the driven worm wheel to rotate so as to drive the annular disc to rotate, the guide rolling shaft is pushed through the guide strip-shaped through holes, the rotary frames synchronously rotate towards one side, the positioning rollers at one ends of the rotary frames rotate towards one side, and the distance between the positioning rollers is adjusted; drill bits with different diameters are positioned, the adaptability is improved, sliding contact is changed into rolling contact through rotation of the positioning roller during positioning, friction is reduced, abrasion is reduced, whether the fixing frame plate is horizontal or not can be conveniently observed through the two horizontal bubble instruments which are perpendicular to each other, the fixing frame plate can be fixed to the ground through the fixing ground thorns, and the practicability is high. And the four adjusting screw rods are rotationally adjusted and are in threaded transmission with the connecting lugs to realize extension and retraction, so that the height of the four-corner support is adjusted, and leveling is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to borehole positioning technical field, especially a bored pile borehole positioning device for road and bridge construction. BACKGROUND

[0002] Bored piles can be divided into bored piles, pipe piles and hand-dug piles according to different hole-forming methods, wherein bored piles are formed by drilling a pile hole with a drilling machine and pouring concrete into the hole. During the drilling of rotary bored piles, the hole position needs to be positioned, and a positioning device needs to be used. The existing rotary bored pile drilling positioning device is generally provided with corresponding positioning holes on the bottom plate. During use, the positioning device is arranged at the position where the bored pile is needed, and the positioning hole is aligned with the hole position. Then the drill rod is inserted through the hole, and the device is started to rotate the drill rod, thereby drilling the hole.

[0003] However, the current bored pile drilling positioning device is positioned by a circular hole, which can only position the drill bit that matches the diameter of the circular hole. Moreover, the inner wall of the circular hole and the drill bit are in contact during positioning, which can cause significant wear. SUMMARY

[0004] The utility model aims at overcoming the shortcomings of the prior art and providing a bored pile borehole positioning device for road and bridge construction to effectively solve the problems of the prior art.

[0005] The utility model discloses a bored pile borehole positioning device for road and bridge construction, which comprises a fixed frame plate, a support partition plate is fixedly connected to the top inner wall of the fixed frame plate, a through circular hole is formed in the center of the fixed frame plate, a plurality of rotating frames are rotatably connected to the position of the inner wall of the fixed frame plate near the edge of the through circular hole, a positioning roller is rotatably connected to the side of the inner wall of each rotating frame near the inner wall of the through circular hole, a guide roller is rotatably connected to the side of the inner wall of each rotating frame away from the positioning roller, a ring-shaped disc is rotatably connected to the middle of the support partition plate, a plurality of guide strip-shaped through holes are formed in the surface of the ring-shaped disc, the guide rollers on the rotating frames are slidably connected to the guide strip-shaped through holes, a driven turbine is fixedly connected to the middle outer wall of the ring-shaped disc, a driving worm is rotatably connected to the middle edge of one side of the fixed frame plate, the middle of the driving worm is meshingly connected with the driven turbine, and a hand wheel is fixedly connected to one end of the driving worm and penetrates through the outer wall of the fixed frame plate.

[0006] According to any one of the above schemes, the rotating frames are radially and circularly arranged around the center of the through circular hole, and the side of each rotating frame near the positioning roller extends into the interior of the through circular hole.

[0007] The technical effects achieved by the above scheme are that the distance between the positioning rollers is adjusted with the center of the through-hole as the center, different diameter drill bits can be positioned, and the adaptability is improved.

[0008] Preferably, according to any one of the above schemes, the annular disc is concentrically arranged with the through-hole, and the guide strip-shaped through-holes are radially and annularly arranged around the center of the annular disc.

[0009] The technical effects achieved by the above scheme are that the guide strip-shaped through-holes can push the guide rollers to move, drive the rotating frame to rotate and reverse, and prevent interference.

[0010] Preferably, according to any one of the above schemes, the top surface of the fixed frame plate is fixedly connected with two horizontal bubble apparatuses, and the two horizontal bubble apparatuses are arranged perpendicularly.

[0011] The technical effects achieved by the above scheme are that the two horizontal bubble apparatuses arranged perpendicularly facilitate observation of whether the fixed frame plate is arranged horizontally.

[0012] Preferably, according to any one of the above schemes, the two sides of the bottom of the fixed frame plate are fixedly connected with connecting ears, the center of one side of each of the four connecting ears is threadedly connected with an adjusting screw, the bottom of each of the four adjusting screws is rotatably connected with a supporting baffle, the center of the bottom surface of the supporting baffle is fixedly connected with a fixed ground spike, and the top end of the adjusting screw is fixedly connected with a rotating head.

[0013] The technical effects achieved by the above scheme are that the four adjusting screws are adjusted by rotating, the connecting ears are threadedly driven to realize telescopic extension, the height of the four corners is adjusted, and leveling is facilitated.

[0014] The utility model has the following advantages:

[0015] 1. The road and bridge construction cast-in-place pile drilling positioning device can drive the driven turbine to rotate by rotating the driving worm, further drive the annular disc to rotate, further push the guide roller through the guide strip-shaped through-holes, make the rotating frames on one side, make the positioning rollers on one side, further adjust the distance between the positioning rollers, position the drill bits with different diameters, improve the adaptability, change the sliding contact into rolling contact through the rotation of the positioning rollers during positioning, reduce the friction, and reduce the abrasion.

[0016] 2. The road and bridge construction cast-in-place pile drilling positioning device can facilitate observation of whether the fixed frame plate is arranged horizontally through the two horizontal bubble apparatuses arranged perpendicularly, fix the ground through the fixed ground spike, and further adjust the height of the four corners by rotating and adjusting the four adjusting screws, facilitate leveling. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the structure schematic diagram of the utility model;

[0018] Fig. 2 It is the cross section structure schematic diagram of the utility model;

[0019] Fig. 3 It is the longitudinal section structure schematic diagram of the utility model.

[0020] In the drawing: 1-fixed frame plate, 2-supporting partition, 3-ring disc, 4-through circular hole, 5-rotating frame, 6-positioning roller, 7-horizontal bubble instrument, 8-connecting lug, 9-adjusting screw, 10-supporting baffle, 11-fixed ground spike, 12-rotary head, 13-guiding strip-shaped through hole, 14-guiding roller, 15-driven turbine, 16-driving worm, 17-hand wheel. DETAILED DESCRIPTION

[0021] The utility model will be further described below in conjunction with the drawings, but the protection scope of the utility model is not limited to the following.

[0022] As Figs. 1 to 3 As shown in a kind of road bridge construction is bored into pile positioning device, it includes fixed frame plate 1, supporting partition 2 is fixedly connected in the top of fixed frame plate 1 inner wall, the center of fixed frame plate 1 is provided with through circular hole 4, the position of the side edge of fixed frame plate 1 inner wall close to through circular hole 4 is rotatably connected with several rotating frames 5, the side of the inner wall of several rotating frames 5 close to the inner wall of through circular hole 4 is rotatably connected with positioning roller 6, the side of the inner wall of several rotating frames 5 away from positioning roller 6 is rotatably connected with guiding roller 14, supporting partition 2 middle part is rotatably connected with ring disc 3, the surface of ring disc 3 is provided with several guiding strip-shaped through holes 13, guiding roller 14 on several rotating frames 5 is slidably connected with several guiding strip-shaped through holes 13 respectively, the middle part of the outer wall of ring disc 3 is fixedly connected with driven turbine 15, the middle part of the side edge of fixed frame plate 1 is rotatably connected with driving worm 16, the middle part of c is engagedly connected with driven turbine 15, one end of driving worm 16 penetrates out the outer wall of fixed frame plate 1 and is fixedly connected with hand wheel 17.

[0023] As an optional technical scheme of the utility model: several rotating frames 5 are distributed in radial annular array around the center of through circular hole 4, the side of several rotating frames 5 close to positioning roller 6 is inserted into the inside of through circular hole 4, so that the distance between several positioning rollers 6 is adjusted with the center of the center of through circular hole 4 as center, can position drill bit of different diameters, improve adaptability.

[0024] As an optional technical scheme of the utility model: concentricity is established between annular disc 3 and through hole 4, a plurality of guide strip-shaped through holes 13 are distributed in radial annular array around the center of annular disc 3, so that a plurality of guide strip-shaped through holes 13 can push guide roller 14 to move, drive rotating frame 5 to rotate and reverse, and interference is prevented.

[0025] As an optional technical scheme of the utility model: two horizontal bubble apparatuses 7 are fixedly connected to the top surface of fixed frame plate 1, and the two horizontal bubble apparatuses 7 are arranged perpendicularly to each other, so that whether fixed frame plate 1 is arranged horizontally can be observed conveniently through the two horizontally arranged bubble apparatuses 7.

[0026] As an optional technical scheme of the utility model: two connecting ears 8 are fixedly connected to the two side edges of the bottom of fixed frame plate 1, a regulating screw 9 is screw-connected to the center of one side of each of the four connecting ears 8, a support baffle 10 is rotationally connected to the bottom of each of the four regulating screws 9, a fixed ground spike 11 is fixedly connected to the center of the bottom surface of support baffle 10, and a rotating head 12 is fixedly connected to the top end of regulating screw 9, so that the four regulating screws 9 can be adjusted in rotation, telescopic screw transmission with connecting ear 8 can be realized, the height of four-corner support can be adjusted, and leveling can be conveniently performed.

[0027] The working process of the utility model is as follows:

[0028] 1) whether fixed frame plate 1 is arranged horizontally can be observed conveniently through the two horizontally arranged bubble apparatuses 7, fixed ground spike 11 can be fixed to the ground, and telescopic screw transmission with connecting ear 8 can be realized through the rotation and adjustment of the four regulating screws 9, the height of four-corner support can be adjusted, and leveling can be conveniently performed.

[0029] 2) driven turbine 15 can be driven to rotate through the rotation of driving worm 16, annular disc 3 is further driven to rotate, and guide roller 14 is further pushed through a plurality of guide strip-shaped through holes 13.

[0030] 3) a plurality of rotating frames 5 are synchronously driven to rotate to one side, positioning roller 6 at one end of a plurality of rotating frames 5 is driven to rotate to one side, the distance between a plurality of positioning rollers 6 is adjusted, different diameter drill bits can be positioned, adaptability is improved, and sliding contact is changed into rolling contact through the rotation of positioning roller 6 during positioning, and friction is reduced.

[0031] In summary, by rotating the driving worm 16, the driven turbine 15 can be driven to rotate, and then the annular disc 3 is driven to rotate, and then the guide roller 14 is pushed through the guide strip-shaped through hole 13, so that the rotating frame 5 is synchronously rotated to one side, the positioning roller 6 at one end of the rotating frame 5 is rotated to one side, and the distance between the positioning rollers 6 is adjusted, so that the drill bit with different diameters can be positioned, the adaptability is improved, and when positioning, the sliding contact is changed into rolling contact through the rotation of the positioning roller 6, the friction is reduced, the abrasion is reduced, the two horizontal bubble instruments 7 arranged perpendicularly are convenient for observing whether the fixed frame plate 1 is arranged horizontally, the fixed ground spike 11 can be fixed with the ground, and through the rotation adjustment of the four adjusting screws 9, the telescopic function can be realized through the threaded transmission of the connecting ears 8, the height of the four-corner support is adjusted, and leveling is convenient.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning device for drilling cast-in-place piles in road and bridge construction, characterized in that: The utility model relates to a fixed frame board (1) is provided with the support partition (2) in the inner wall top fixed connection of fixed frame board (1), the centre of fixed frame board (1) is provided with the through -hole (4) of penetrating through, the inner wall of fixed frame board (1) is provided with a plurality of rotating frame (5) of rotation connection near the position of through -hole (4) inner wall one side edge, the inner wall of a plurality of rotating frame (5) is provided with the positioning roller (6) of rotation connection near through -hole (4) inner wall one side, the inner wall of a plurality of rotating frame (5) is provided with the guide roller axle (14) of rotation connection away from positioning roller (6) one side, the support partition (2) is provided with annular disc (3) of rotation connection in the middle part, the surface of annular disc (3) is provided with a plurality of guide strip -shaped through -hole (13), a plurality of guide strip -shaped through -hole (13) of guide roller axle (14) on a plurality of rotating frame (5) is slidably connected respectively, the outer wall of annular disc (3) is provided with driven turbine (15) of fixed connection in the middle part, the side edge of fixed frame board (1) is provided with drive worm (16) of rotation connection in the middle part, the middle part of drive worm (16) is meshedly connected with driven turbine (15), one end of drive worm (16) penetrates out fixed frame board (1) outer wall and is provided with hand wheel (17) of fixed connection.

2. The cast-in-place pile drilling positioning device for road and bridge construction of claim 1, characterized in that: A plurality of rotating frame (5) are radially arranged around the center of through -hole (4), and the side of a plurality of rotating frame (5) near the positioning roller (6) extends into the inside of through -hole (4).

3. The cast-in-place pile drilling positioning device for road and bridge construction of claim 1, characterized in that: The annular disc (3) is concentric with the through -hole (4), and a plurality of guide strip -shaped through -holes (13) are radially arranged around the center of the annular disc (3).

4. The cast-in-place pile drilling positioning device for road and bridge construction of claim 1, characterized in that: The fixed frame board (1) is provided with two horizontal bubble apparatuses (7) fixedly connected to the top surface, and the two horizontal bubble apparatuses (7) are arranged perpendicularly.

5. The cast-in-place pile drilling positioning device for road and bridge construction of claim 1, characterized in that: The bottom of the fixed frame board (1) is provided with two connecting ears (8) fixedly connected to the two side edges, and the center of one side of the four connecting ears (8) is threadedly connected with an adjusting screw (9), the bottom of the four adjusting screws (9) is rotatably connected with a support baffle (10), the center of the bottom surface of the support baffle (10) is fixedly connected with a fixed ground spike (11), and the top end of the adjusting screw (9) is fixedly connected with a rotating head (12).

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