Hoisting anti-falling device for rotary excavating cast-in-place pile
By designing a hoisting anti-falling device including a disc, an inner disc, a support assembly and a rubber layer, the problem of the steel cage falling during the hoisting process is solved, and the stable hoisting of the steel cage is achieved.
Patent Information
- Application Number
- CN202422971322.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-12-03
AI Technical Summary
In the prior art, the steel cage is easily affected by the external environment and falls during the hoisting process, and there is a lack of effective anti-falling devices.
A lifting anti-fall device is designed, which includes a circular disc, an inner disc, a support assembly, an extrusion disc, an electric push rod and a rubber layer. The electric push rod drives the rubber layer to expand and fit the inner wall of the steel cage, and a cross bar is inserted under the annular stirrups to form a support to improve stability.
During the hoisting process, the device can fit tightly against the inner wall of the steel cage to prevent it from falling, improve the stability of the steel cage, and ensure safe hoisting.
Smart Images
Figure CN223357232U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cast-in-place pile construction, in particular to a hoisting anti-falling device for rotary bored cast-in-place piles. Background Art
[0002] After the bored piles are bored in the prior art, the steel cage is hoisted into the hole by a hoisting device. During the hoisting process, the steel cage is only connected to a plurality of hoisting ropes. During the hoisting process, the steel cage is easily affected by the external environment and falls. Utility Model Content
[0003] Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a hoisting anti-falling device for rotary bored cast-in-place piles.
[0004] The utility model is achieved in that a hoisting and falling prevention device for rotary bored piles is constructed, which comprises a disc, an inner disc fixedly connected at the inner center of the disc; a support assembly is embedded in the side wall of the inner disc, an extrusion disc is slidably connected in the inner disc, the top of the disc is fixedly connected to a top plate, the top of the top plate is fixedly connected to an electric push rod, the telescopic end of the electric push rod passes through the top plate and is fixedly connected to the top of the extrusion disc, and drives the extrusion disc to be slidably connected to the inner side wall of the inner disc; the support assembly is composed of an outer cylinder, one end of the outer cylinder is inserted into the lower part of the inner wall of the inner disc, the interior of the outer cylinder is hollowed out to form a sliding cavity, the sliding cavity is communicated with the lower space in the inner disc, the inner cylinder is slidably connected in the sliding cavity, the end of the inner cylinder away from the inner disc is fixedly connected to a rubber layer, the lower part of the side wall of the inner cylinder is fixedly connected to a cross bar, and the cross bar passes through the rubber layer and is fixedly connected to the inner cylinder.
[0005] In a feasible embodiment, connection plates are fixedly connected to the left and right ends of the top of the top plate.
[0006] In a feasible embodiment, multiple groups of expansion components are provided.
[0007] In a feasible embodiment, the inner cylinder is in a T-shaped structure, and the inner cylinder is consistent with the sliding cavity structure.
[0008] In a feasible embodiment, the other end of the outer cylinder passes through the side wall of the disc.
[0009] The utility model has the following advantages: The utility model provides a lifting anti-falling device for rotary bored piles through improvement, which has the following improvements compared with similar equipment:
[0010] The utility model discloses a hoisting anti-falling device for rotary bored cast-in-place piles, which pushes the inner tube and the rubber layer at the end thereof to expand outwards, can be tightly fitted and fixed on the inner wall of the steel cage, and can also remain stable during the hoisting process.
[0011] The utility model discloses a hoisting anti-falling device for rotary bored cast-in-place piles, wherein a cross bar can be inserted under the annular stirrups of a steel cage to form an additional support point, thereby improving the stability of the steel cage during hoisting and preventing the steel cage from falling. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a three-dimensional structural diagram of the utility model;
[0013] Figure 2 This is a schematic diagram of the internal structure of the disc of the utility model;
[0014] Figure 3 It is the inside of the disc explosion of the utility model;
[0015] Figure 4 This is a schematic diagram of the connection structure between the connecting plate and the external lifting rope of the utility model;
[0016] Figure 5 It is a schematic diagram of the connection structure between the utility model and the steel cage.
[0017] Among them: disc-1, inner disc-2, expansion component-3, extrusion disc-4, top plate-5, electric push rod-6, connecting disc-7, outer cylinder-31, sliding cavity-32, inner cylinder-33, rubber layer-34, cross bar-35. DETAILED DESCRIPTION
[0018] The following will be combined with the Figure 1-Figure 5 The present invention is described in detail, and the technical solutions in the embodiments of the present invention are clearly explained. Although the embodiments described are complete, it is obvious that the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] See also Figures 1 to 5 The utility model is a hoisting and falling prevention device for rotary bored piles, comprising a disc 1, an inner disc 2 fixedly connected at the inner center of the disc 1, a support assembly 3 embedded in the side wall of the inner disc 2, an extrusion disc 4 slidably connected in the inner disc 2, a top plate 5 fixedly connected to the top of the disc 1, an electric push rod 6 fixedly connected to the top of the top plate 5, the telescopic end of the electric push rod 6 passes through the top plate 5 and is fixedly connected to the top of the extrusion disc 4, and drives the extrusion disc 4 to be slidably connected to the inner wall of the inner disc 2; a battery, a controller and a wireless communication module are arranged in the disc 1, and instructions are transmitted to the wireless communication module by remote control. When the wireless communication module receives the signal, it transmits the signal to the controller, and the controller converts the signal into a control signal to directly control the electric push rod 6.
[0020] Specifically, the expansion assembly 3 is composed of an outer cylinder 31, one end of the outer cylinder 31 is inserted into the lower inner wall of the inner disk 2, and the other end of the outer cylinder 31 passes through the side wall of the disk 1. The interior of the outer cylinder 31 is hollowed out to form a sliding cavity 32, and the sliding cavity 32 is connected to the lower space inside the inner disk 2. The inner cylinder 33 is slidably connected in the sliding cavity 32, and a rubber layer 34 is fixedly connected to the end of the inner cylinder 33 away from the inner disk 2. A cross bar 35 is fixedly connected to the lower side wall of the inner cylinder 33, and the cross bar 35 passes through the rubber layer 34 and is fixedly connected to the inner cylinder 33.
[0021] Specifically, the left and right ends of the top of the top plate 5 are fixedly connected with connecting plates 7, which can be connected to the external lifting rope, and the lifting rope is connected to the external reel, which can be fixed on the external lifting device. When the steel cage is hoisted, the reel is controlled to drive the lifting rope to move and thereby drive the disc 1 to move. The staff moves the disc 1 so that the disc 1 is located in the steel cage, controls the electric push rod 6 to push the extrusion plate 4 to move downward, and the extrusion plate 4 squeezes the air in the inner disc 2, so that the air in the inner disc 2 enters the sliding cavity 32 in the multiple groups of outer cylinders 31, and pushes the inner cylinder 33 to move, so that the multiple groups of inner cylinders 33 drive the rubber layer 34 to contact the side wall of the steel cage. At the same time, the multiple groups of cross bars 35 under the rubber layer 34 are inserted under the annular stirrups in the steel cage and contact the annular stirrups. Then the lifting area of the lifting device is controlled to connect with the steel cage, and the steel cage is hoisted and transported to the installation area. During the hoisting process, the reel controls the length of the lifting rope together.
[0022] Specifically, the expansion assembly 3 is provided with multiple groups; the inner cylinder 33 is a T-shaped structure, and the structure of the inner cylinder 33 and the sliding cavity 32 are consistent.
[0023] The above shows and describes the basic principles, main features and advantages of the present invention, and the standard parts used in the present invention can be purchased from the market, and special-shaped parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.
[0024] The above description of the disclosed embodiments will enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A lifting and anti-falling device for rotary bored piles, comprising a disc with an inner disc fixedly connected to the inner center of the disc; Its characteristics are: The side wall of the inner disk is embedded with a support component, and an extrusion disk is slidably connected to the inner disk. The top of the disk is fixedly connected to a top plate, and the top of the top plate is fixedly connected to an electric push rod. The telescopic end of the electric push rod passes through the top plate and is fixedly connected to the top of the extrusion disk, and drives the extrusion disk to slide with the inner side wall of the inner disk. The expansion assembly consists of an outer tube, one end of which is inserted into the bottom of the inner wall of the inner disk. The interior of the outer tube is hollowed out to form a sliding cavity, which is connected to the sliding cavity and the inner tube is slidably connected in the sliding cavity. A rubber layer is fixedly connected to the end of the inner tube away from the inner disk, and a cross bar is fixedly connected to the bottom of the side wall of the inner tube. The cross bar passes through the rubber layer and is fixedly connected to the inner tube.
2. The anti-fall device for hoisting a bored pile according to claim 1, characterized in that: The left and right ends of the top of the top plate are fixedly connected with connection plates.
3. The anti-fall device for hoisting a bored pile according to claim 1, characterized in that: There are multiple groups of expansion components.
4. The anti-fall device for hoisting a bored pile according to claim 1, characterized in that: The inner cylinder has a T-shaped structure, and the inner cylinder is consistent with the sliding cavity structure.
5. The anti-fall device for hoisting a bored pile according to claim 1, characterized in that: The other end of the outer cylinder passes through the side wall of the disc.