CN217556921U

CN217556921U - Positioning device for deep water bridge pile foundation steel casing

Info

Publication number: CN217556921U
Application number: CN202221798182.8U
Authority: CN
Inventors: 李凡冬; 贾坤; 李茜; 黄倩倩
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-13
Filing date: 2022-07-13
Publication date: 2022-10-11
Anticipated expiration: 2032-07-13

Abstract

The utility model belongs to the technical field of bridge foundation engineering, especially, be a positioner that deep water bridge pile foundation steel protected a section of thick bamboo, it includes the position ring seat, the ring chamber has been seted up in the position ring seat, fixed mounting has the motor on the position ring seat, the ring intracavity internal rotation is provided with three screw thread axle, the output shaft and one of them screw thread axle fixed connection setting of motor, the fixed cover in the outside of three screw thread axle all are equipped with the gear, it is provided with the ring gear to slide in the ring chamber, and three gear all meshes with the ring gear mutually, and the equal thread bush in the outside of three screw thread axle is equipped with the movable plate, and one side that three movable plate is close to mutually all rotates and is provided with the push rod, it is provided with the slide bar to slide in the ring chamber, and three push rod rotates with corresponding slide bar and is connected the setting. The utility model has the advantages of reasonable design, can conveniently protect a section of thick bamboo to the steel when placing the steel and protect a section of thick bamboo and play location guide effect, make it can guarantee that the steel protects a perpendicular of section of thick bamboo and place, the reliability is high.

Description

Positioning device for deep water bridge pile foundation steel casing

Technical Field

The utility model relates to a bridge foundation engineering technical field especially relates to a deep water bridge pile foundation steel protects positioner of a section of thick bamboo.

Background

With the continuous advance of traffic construction in China, the construction of bridges serving as important nodes on traffic trunks becomes increasingly important. The natural environment of the river-crossing and sea-crossing bridge is complex and greatly changed, so that the design and construction of the underwater pile foundation of the bridge are more difficult and more factors need to be considered than the construction of the pile foundation on land, and the steel pile casing is buried as the initial step of the pile foundation construction, so that the smooth proceeding of the subsequent pile foundation engineering is directly influenced. Whether the plane position is accurate after the steel casing sinks, whether the verticality reaches the standard directly influences the quality and the progress of the whole pile foundation engineering. Therefore, the research on the positioning device and method of the steel casing has very important engineering practical significance.

However, in the prior art, when the steel casing is hoisted and positioned, the steel casing is usually positioned and placed by the self weight of the steel casing, a guide mechanism for the steel casing is not provided, and the steel casing cannot be guaranteed to be positioned vertically, so that a positioning device for the steel casing of the deep-water bridge pile foundation is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art and providing a positioning device for a steel pile casing of a deep water bridge pile foundation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a positioner of deep water bridge pile foundation steel casing, includes the retainer ring seat, it has the ring chamber to open in the retainer ring seat, fixed mounting has the motor on the retainer ring seat, the ring intracavity internal rotation is provided with three screw thread axle, the output shaft of motor and one of them screw thread axle fixed connection set up, and the outside of three screw thread axle is all fixed the cover and is equipped with the gear, it is provided with the ring gear to slide in the ring chamber, and three gear all meshes with the ring gear mutually, and the equal thread bush in the outside of three screw thread axle is equipped with the movable plate, and the one side that three movable plate is close to all rotates and is provided with the push rod, it is provided with the slide bar to slide in the ring chamber, and three push rod rotates with corresponding slide bar and is connected the setting, and the one end that three slide bar is close to mutually all extends the inboard of retainer ring seat and fixed mounting has the arc board.

Preferably, three positioning cones are fixedly mounted on the bottom side of the positioning ring seat.

Preferably, an installation groove is formed in the inner wall of the annular cavity, and the threaded shaft is rotatably arranged in the installation groove through a bearing.

Preferably, an annular groove is formed in the inner wall of the annular cavity, a limiting ring is fixedly sleeved on the outer side of the gear ring, and the limiting ring is arranged in the annular groove in a sliding mode.

Preferably, a plurality of limiting shafts are fixedly arranged in the ring cavity, and the three moving plates are slidably sleeved on the outer sides of the corresponding limiting shafts.

Preferably, bayonets are formed in the ends, far away from each other, of the three sliding rods, and the three push rods are rotatably arranged in the corresponding bayonets.

Preferably, three slide holes communicated with the annular cavity are formed in the inner side of the positioning ring seat, and the three slide rods are slidably arranged in the corresponding slide holes.

Preferably, a plurality of balls are movably arranged on one side, close to each other, of each of the three arc plates.

In the utility model, the positioning device for the steel casing of the deep water bridge pile foundation can conveniently play a positioning and guiding role on the steel casing when the steel casing is placed through the common matching of the positioning ring seat, the ring cavity, the motor, the three threaded shafts, the meshing transmission of the three gears and the toothed ring, the three movable plates, the three push rods arranged in a rotating way, the three slide rods, the three arc plates and the plurality of balls movably arranged on the three arc plates, so that the steel casing can be ensured to be vertically placed;

the utility model has the advantages of reasonable design, can conveniently protect a section of thick bamboo to the steel when placing the steel and protect a section of thick bamboo and play location guide effect, make it can guarantee that the steel protects a perpendicular of section of thick bamboo and place, the reliability is high.

Drawings

Fig. 1 is a schematic perspective view of a positioning device for a deep water bridge pile foundation steel casing provided by the utility model;

fig. 2 is a schematic cross-sectional structural view of a positioning device of a deep water bridge pile foundation steel casing provided by the utility model;

FIG. 3 isbase:Sub>A schematic view of the structure of section A-A in FIG. 2;

fig. 4 is a partially enlarged view of a portion B in fig. 2.

In the figure: 1. a retainer ring seat; 2. an annular cavity; 3. a motor; 4. a threaded shaft; 5. a gear; 6. a toothed ring; 7. Moving the plate; 8. a limiting shaft; 9. a push rod; 10. a slide bar; 11. an arc plate; 12. and a ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the positioning device for the deep water bridge pile foundation steel casing comprises a positioning ring seat 1, an annular cavity 2 is formed in the positioning ring seat 1, a motor 3 is fixedly mounted on the positioning ring seat 1, three threaded shafts 4 are rotatably arranged in the annular cavity 2, an output shaft of the motor 3 is fixedly connected with one of the threaded shafts 4, gears 5 are fixedly sleeved on the outer sides of the three threaded shafts 4, a toothed ring 6 is slidably arranged in the annular cavity 2, the three gears 5 are all meshed with the toothed ring 6, a movable plate 7 is rotatably sleeved on the outer side of each of the three threaded shafts 4, push rods 9 are rotatably arranged on one sides, close to the three movable plates 7, of the annular cavity 2, slide rods 10 are slidably arranged in the annular cavity 2, the three push rods 9 are rotatably connected with the corresponding slide rods 10, and one ends, close to the three slide rods 10, extend to the inner side of the positioning ring seat 1 and arc plates 11 are fixedly mounted on the one ends, close to the three slide rods 10.

In this embodiment, three positioning cones are fixedly mounted on the bottom side of the positioning ring seat 1, so that the positioning ring seat 1 can be conveniently positioned and placed.

In this embodiment, seted up the mounting groove on the inner wall of ring chamber 2, threaded shaft 4 passes through the bearing and rotates the setting in the mounting groove, can conveniently rotate and set up threaded shaft 4.

In this embodiment, the ring channel has been seted up on the inner wall of ring cavity 2, and the fixed cover in the outside of ring gear 6 is equipped with the spacing ring, and the spacing ring slides and sets up in the ring channel, can play limiting displacement to ring gear 6.

In this embodiment, a plurality of limiting shafts 8 are fixedly arranged in the annular cavity 2, and the three moving plates 7 are slidably sleeved on the outer sides of the corresponding limiting shafts 8, so that the three moving plates 7 can be limited.

In this embodiment, bayonets are formed at the ends of the three sliding rods 10 far away from each other, and the three push rods 9 are rotatably arranged in the corresponding bayonets, so that the three push rods 9 and the corresponding sliding rods 10 can be conveniently and rotatably connected.

In this embodiment, the inner side of the positioning ring seat 1 is provided with three sliding holes communicated with the ring cavity 2, and the three sliding rods 10 are slidably arranged in the corresponding sliding holes, so that the three sliding rods 10 can be conveniently slidably arranged.

In this embodiment, a plurality of balls 12 are movably disposed on one side of each of the three arc plates 11, so as to reduce friction.

The utility model discloses in, when using, can place the position ring seat 1 in suitable position through three location awl, then can drive the threaded shaft 4 rotation of being connected with motor 3 output shaft through driving motor 3, can make it pass through the meshing transmission of three gear 5 and ring gear 6, can make three threaded shaft 4 synchronous rotation, thereby can make it drive three movable plate 7 synchronous motion, and push rod 9 through three rotation setting promotes three slide bar 10 and removes, can drive three arc board 11 and be close to the removal mutually, thereby can adjust the distance between the three arc board 11 according to the size of a steel pile section of thick bamboo, thereby can place a steel pile section of thick bamboo when hoist and mount, make its steel pile section of thick bamboo can place between three arc board 11, can contact through the outer wall of three arc board 11 and a steel pile section of thick bamboo, can play the guide effect to a steel pile section of thick bamboo, and can play the effect that reduces frictional force when placing a steel pile section of thick bamboo through a plurality of balls 12.

Claims

1. The positioning device for the deep water bridge pile foundation steel casing comprises a positioning ring seat (1) and is characterized in that an annular cavity (2) is formed in the positioning ring seat (1), a motor (3) is fixedly mounted on the positioning ring seat (1), three threaded shafts (4) are arranged in the annular cavity (2) in a rotating mode, an output shaft of the motor (3) is fixedly connected with one threaded shaft (4), gears (5) are fixedly sleeved on the outer sides of the three threaded shafts (4), gear rings (6) are arranged in the annular cavity (2) in a sliding mode, the three gears (5) are all meshed with the gear rings (6), a movable plate (7) is arranged on the outer sides of the three threaded shafts (4) in a threaded sleeve mode, push rods (9) are arranged on one side, close to the three movable plate (7), of each movable plate (7) in a rotating mode, each slide rod (10) is arranged in the annular cavity (2) in a sliding mode, each push rod (9) is connected with the corresponding slide rod (10) in a rotating mode, and one end, close to each slide rod (10) extends to the inner side of the positioning ring seat (1) and is fixedly mounted with an arc plate (11).

2. The positioning device for the deep water bridge pile foundation steel casing according to claim 1, wherein three positioning cones are fixedly arranged on the bottom side of the positioning ring seat (1).

3. The positioning device for the deep water bridge pile foundation steel casing according to claim 1, wherein an installation groove is formed in the inner wall of the annular cavity (2), and the threaded shaft (4) is rotatably arranged in the installation groove through a bearing.

4. The positioning device for the deep water bridge pile foundation steel casing according to claim 1, wherein an annular groove is formed in the inner wall of the annular cavity (2), a limiting ring is fixedly sleeved on the outer side of the gear ring (6), and the limiting ring is slidably arranged in the annular groove.

5. The positioning device for the deep water bridge pile foundation steel casing according to claim 1, wherein a plurality of limiting shafts (8) are fixedly arranged in the annular cavity (2), and three moving plates (7) are slidably sleeved on the outer sides of the corresponding limiting shafts (8).

6. The positioning device for the deep water bridge pile foundation steel casing according to claim 1, wherein bayonets are formed at the ends of the three sliding rods (10) far away from each other, and the three push rods (9) are rotatably arranged in the corresponding bayonets.

7. The positioning device for the deep water bridge pile foundation steel casing according to claim 1, wherein the inner side of the positioning ring seat (1) is provided with three sliding holes communicated with the ring cavity (2), and the three sliding rods (10) are slidably arranged in the corresponding sliding holes.

8. The positioning device for the deep water bridge pile foundation steel casing according to claim 1, wherein a plurality of balls (12) are movably arranged on one side of each of the three arc plates (11) close to each other.