Hydraulic chambering rapid pile-forming cast-in-place pile device

By using a hydraulic borehole enlargement structure and an auxiliary soil collection design, the problems of unstable diameter surface size and mud backflow in the borehole enlargement and grouting pile device were solved, realizing the convenience and accuracy of borehole enlargement and improving the efficiency of borehole enlargement and pile formation.

CN223881114UActive Publication Date: 2026-02-06CHINA CONSTR FIRST DIV GROUP CONSTR & DEV
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520828338.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-28
Publication Date
2026-02-06
Estimated Expiration
2035-04-28

AI Technical Summary

Technical Problem

Existing borehole enlargement and grouting pile devices cannot guarantee the size and dimensions of the enlargement surface during the enlargement process, and are prone to mud backflow, which affects the enlargement effect.

Method used

The system employs a hydraulic reaming structure, which uses a hydraulic telescopic rod to drive the first and second discs to rotate the reaming arm. This, combined with the soil-shoveling plate, expands the hole. An auxiliary soil-collecting structure, including the design of a collection frame and a funnel frame, is used to collect the soil, ensuring the accuracy of the reaming size and shape.

Benefits of technology

It achieves convenience and accuracy in the hole enlargement process, ensures the stability of the hole size and shape, and effectively prevents soil splashing and mud backflow, thereby improving the efficiency of hole enlargement and pile formation.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223881114U_ABST
    Figure CN223881114U_ABST
Patent Text Reader

Abstract

The utility model provides a hydraulic chambering rapid pile-forming cast-in-place pile device, and relates to the technical field of cast-in-place pile devices. Comprising a mounting frame, a hydraulic telescopic rod is fixedly mounted at the top of the mounting frame, an external connecting plate is fixedly connected to the top of the hydraulic telescopic rod, a connecting round rod is fixedly connected to the bottom of the mounting frame, and an auxiliary plate is fixedly connected to the bottom end of the connecting round rod; a hydraulic reaming structure is arranged between the hydraulic telescopic rod and the auxiliary plate, the hydraulic reaming structure comprises a first disc and a second disc, and through the arrangement of the hydraulic reaming structure, under the action of the first disc and the second disc, reaming can be carried out conveniently; and a first pin shaft, a second pin shaft and a third pin shaft are matched to rotate a first reaming arm and a second reaming arm outwards, so that external driving equipment can be connected under the action of an external connecting plate, a mounting frame and the like rotate or move up and down, auxiliary reaming can be performed, and soil can be scraped under the action of a soil shoveling plate.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to bored pile device technical field especially relates to a hydraulic hole expansion quick pile forming bored pile device. BACKGROUND

[0002] The bored pile is a kind of relatively new construction method, it is the improvement and innovation to bored pile, it utilizes drilling to reach the required bearing stratum, and then special drill bit is used to expand the diameter of pile end, so that the ultimate bearing capacity of pile is greatly increased than that of the bored pile without expansion head.

[0003] In actual work, the structure and function of the prior art bored pile device are relatively perfect, and the basic use demand can be met, but the following problems still exist:

[0004] In actual use, the pre-drilled formed pouring hole needs to be expanded, and the pouring expansion method is often used in the expansion process, that is, a pouring frame is inserted in the original pouring hole, and then more pouring slurry is poured in the pouring frame, at this time, the pouring slurry is extruded and expanded to both sides by the pressure from top to bottom, this expansion method cannot guarantee the size and size of the expansion surface, and in the expansion process, the pouring slurry is prone to backflow, thereby affecting the expansion effect.

[0005] Therefore, the utility model provides a kind of hydraulic hole expansion quick pile forming bored pile device. UTILITY MODEL CONTENT

[0006] The utility model aims at solving the shortcomings in the prior art, and provides a kind of hydraulic hole expansion quick pile forming bored pile device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of hydraulic hole expansion quick pile forming bored pile device, including installation frame, the top of the installation frame is fixedly installed with hydraulic telescopic rod, the top of the hydraulic telescopic rod is fixedly connected with outer plate, the bottom of the installation frame is fixedly connected with connecting round bar, the bottom of the connecting round bar is fixedly connected with auxiliary plate;Hydraulic hole expansion structure is arranged between the hydraulic telescopic rod and auxiliary plate, the hydraulic hole expansion structure includes first disc and second disc, the first disc is fixedly connected with the output end of hydraulic telescopic rod, the bottom of the second disc is fixedly connected with the top of auxiliary plate;Auxiliary soil collecting structure is arranged between the auxiliary plate and second disc, the auxiliary soil collecting structure includes collection frame, the bottom of the collection frame is fixedly connected with auxiliary clamping plate.

[0008] As a preferred implementation, the outer surface of the first disc is fixedly connected with a first rectangular plate, the outer surface of the second disc is fixedly connected with a second rectangular plate, the inner wall of the first rectangular plate is provided with a first pin shaft, one side of the first rectangular plate is rotatably provided with a first reaming arm through the first pin shaft, the inner wall of the second rectangular plate is provided with a second pin shaft, one side of the second rectangular plate is rotatably provided with a second reaming arm through the second pin shaft, the first reaming arm and the second reaming arm are rotatably provided with a third pin shaft, and one side of the first reaming arm and the second reaming arm is fixedly connected with a soil shoveling plate.

[0009] The technical effect of the further scheme is that under the action of the first pin shaft and the second pin shaft, the first reaming arm and the second reaming arm can be driven to rotate, and under the action of the third pin shaft, the first reaming arm and the second reaming arm can rotate relative to each other, and then can be rotated in cooperation with the hydraulic telescopic rod, so that the first reaming arm and the second reaming arm can rotate outward, and then can cooperate with the soil shoveling plate to perform reaming operation, and after reaming is completed, the pile can be directly and quickly poured, which is very convenient, and the size and shape of the reaming can be ensured.

[0010] As a preferred implementation, the inner wall of the second disc is provided with a circular insertion hole, the bottom of the auxiliary plate is provided with an auxiliary clamping groove, the collecting frame is inserted into the inner wall of the circular insertion hole, the auxiliary clamping groove is clamped with the auxiliary clamping groove, the inner wall of the auxiliary clamping groove is provided with a second threaded hole, the inner wall of the auxiliary clamping plate is provided with a first threaded hole, and the first threaded hole and the second threaded hole are threadedly connected with a threaded clamping rod.

[0011] The technical effect of the further scheme is that the auxiliary clamping plate can cooperate with the auxiliary clamping groove, so that the collecting frame can be inserted into the circular insertion hole, and then installed under the action of the threaded clamping rod and the first threaded hole and the second threaded hole, so that the shoveling soil can be collected.

[0012] As a preferred implementation, the inner wall of the collecting frame is provided with a threaded hole, the inner wall of the threaded hole is threadedly connected with an external threaded ring plate, and the top of the external threaded ring plate is fixedly connected with a funnel frame.

[0013] The technical effect of the further scheme is that under the action of the external threaded ring plate and the threaded hole, the funnel frame can be assisted to be disassembled, so that the soil and the like can be guided to fall into the collecting frame as much as possible.

[0014] Compared with the prior art, the advantages and positive effects of the utility model lie in that,

[0015] Through setting the hydraulic hole expanding structure, the first hole expanding arm and the second hole expanding arm can be rotated outward under the action of the first disc, the second disc, the first pin shaft, the second pin shaft and the third pin shaft, and then under the action of the external connecting plate, the external driving device can be connected to make the installation frame rotate or move up and down, and auxiliary hole expanding can be carried out, and under the action of the shovel plate, the soil can be scraped, and through setting the auxiliary soil collecting structure, the collecting frame can be installed under the action of the auxiliary clamping plate and the auxiliary clamping groove, and then under the action of the funnel frame, the scraped soil can be collected. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structure schematic view of the hydraulic hole expanding rapid pile forming cast-in-place pile device is provided in the utility model.

[0017] Figure 2 A structure schematic view of the installation frame of the hydraulic hole expanding rapid pile forming cast-in-place pile device is provided in the utility model.

[0018] Figure 3 A structure schematic view of the auxiliary plate of the hydraulic hole expanding rapid pile forming cast-in-place pile device is provided in the utility model.

[0019] Figure 4 A structure schematic view of the collecting frame of the hydraulic hole expanding rapid pile forming cast-in-place pile device is provided in the utility model.

[0020] LEGEND:

[0021] 1, installation frame; 2, hydraulic telescopic rod; 3, external connecting plate; 4, connecting round rod; 5, auxiliary plate;

[0022] 6, hydraulic hole expanding structure; 61, first disc; 62, second disc; 63, first rectangular plate; 64, second rectangular plate; 65, first pin shaft; 66, first hole expanding arm; 67, second pin shaft; 68, second hole expanding arm; 69, third pin shaft; 610, shovel plate;

[0023] 7, auxiliary soil collecting structure; 71, round insertion hole; 72, auxiliary clamping groove; 73, collecting frame; 74, auxiliary clamping plate; 75, first screw hole; 76, second screw hole; 77, threaded clamping rod; 78, threaded hole; 79, external threaded ring plate; 710, funnel frame. DETAILED DESCRIPTION

[0024] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0025] As shown in Figures 1-4 The present embodiment provides a technical solution: a hydraulic hole expanding rapid pile forming cast-in-place pile device, comprising a mounting frame 1, a hydraulic telescopic rod 2 fixedly installed at the top of the mounting frame 1, an external plate 3 fixedly connected to the top of the hydraulic telescopic rod 2, a connecting round rod 4 fixedly connected to the bottom of the mounting frame 1, and an auxiliary plate 5 fixedly connected to the bottom end of the connecting round rod 4; a hydraulic hole expanding structure 6 is arranged between the hydraulic telescopic rod 2 and the auxiliary plate 5, the hydraulic hole expanding structure 6 comprises a first disc 61 and a second disc 62, the first disc 61 is fixedly connected to the output end of the hydraulic telescopic rod 2, and the bottom of the second disc 62 is fixedly connected to the top of the auxiliary plate 5; an auxiliary soil collecting structure 7 is arranged between the auxiliary plate 5 and the second disc 62, the auxiliary soil collecting structure 7 comprises a collecting frame 73, and the bottom of the collecting frame 73 is fixedly connected to an auxiliary clamping plate 74; by arranging the hydraulic hole expanding structure 6, the first hole expanding arm 66 and the second hole expanding arm 68 can be rotated outward under the action of the first disc 61 and the second disc 62 in cooperation with the first pin shaft 65, the second pin shaft 67 and the third pin shaft 69, and then the mounting frame 1 and the like can be rotated or moved up and down under the action of the external plate 3, so that the auxiliary hole expanding can be performed, the soil can be scraped under the action of the soil scraping plate 610, the collecting frame 73 can be installed under the action of the auxiliary clamping plate 74 and the auxiliary clamping groove 72 by arranging the auxiliary soil collecting structure 7, and then the scraped soil can be collected under the action of the funnel frame 710.

[0026] Further, as shown in Figure 2As shown: the outer surface of the first disc 61 is fixedly connected with the first rectangular plate 63, the outer surface of the second disc 62 is fixedly connected with the second rectangular plate 64, the inner wall of the first rectangular plate 63 is provided with the first pin shaft 65, one side of the first rectangular plate 63 is rotatably provided with the first reaming arm 66 through the first pin shaft 65, the inner wall of the second rectangular plate 64 is provided with the second pin shaft 67, one side of the second rectangular plate 64 is rotatably provided with the second reaming arm 68 through the second pin shaft 67, the first reaming arm 66 and the second reaming arm 68 are rotatably provided with the third pin shaft 69, one side of the first reaming arm 66 and the second reaming arm 68 is fixedly connected with the earth baling plate 610, under the action of the first pin shaft 65 and the second pin shaft 67, the first reaming arm 66 and the second reaming arm 68 can be driven to rotate, at the same time, under the action of the third pin shaft 69, the first reaming arm 66 and the second reaming arm 68 can rotate relative to each other, and then can cooperate with the hydraulic telescopic rod 2 to rotate, so that the first reaming arm 66 and the second reaming arm 68 can rotate outward, and then can cooperate with the earth baling plate 610 to perform reaming operation, and after reaming is completed, the pile can be directly and quickly poured, which is very convenient, and the size and shape of the reaming can be guaranteed.

[0027] In the above scheme, the soil scraped by the earth baling plate 610 adheres to the second disc 62, which causes subsequent collection and cleaning to be more troublesome, such as Figure 3 and Figure 4 As shown: in the present scheme, the inner wall of the second disc 62 is provided with a circular insertion hole 71, the bottom of the auxiliary plate 5 is provided with an auxiliary clamping groove 72, the collection frame 73 is inserted in the inner wall of the circular insertion hole 71, the auxiliary clamping plate 74 is clamped with the inner wall of the auxiliary clamping groove 72, the inner wall of the auxiliary clamping groove 72 is provided with a second screw hole 76, the inner wall of the auxiliary clamping plate 74 is provided with a first screw hole 75, the inner walls of the first screw hole 75 and the second screw hole 76 are threadedly connected with a threaded clamping rod 77, the auxiliary clamping plate 74 can cooperate with the auxiliary clamping groove 72, so that the collection frame 73 can be inserted in the circular insertion hole 71, and then installed under the action of the threaded clamping rod 77 and the first screw hole 75 and the second screw hole 76, and then the scraped soil can be collected.

[0028] In the above scheme, the soil is very easy to splash, so that a large amount of soil cannot fall into the collection frame 73, such as Figure 3 and Figure 4 As shown, the inner wall of the collection frame 73 is provided with a threaded hole 78, the inner wall of the threaded hole 78 is threadedly connected with an external threaded ring plate 79, the top of the external threaded ring plate 79 is fixedly connected with a funnel frame 710, under the action of the external threaded ring plate 79 and the threaded hole 78, the funnel frame 710 can be auxiliary disassembled, so that the soil can be guided to fall into the collection frame 73 as much as possible.

[0029] Working principle:

[0030] As Figures 1-4 shown:

[0031] In use: the outer plate 3 is installed with the external driving device (the external driving device mainly provides the driving force when moving up and down and rotating, not drawn in the figure, it is the existing mature technology), at this time, under the driving of the external driving device, the installation frame 1 and the hydraulic hole expanding structure 6 and the like are deepened to the position needing to be expanded, at this time, the hydraulic telescopic rod 2 is started, so that the first hole expanding arm 66 and the second hole expanding arm 68 can be relatively rotated under the action of the third pin shaft 69, and the first hole expanding arm 66 can be rotated relative to the first rectangular plate 63 under the action of the first pin shaft 65, and the second hole expanding arm 68 can be rotated relative to the second rectangular plate 64 under the action of the second pin shaft 67, at this time, under the action of the external driving device, the first hole expanding arm 66 and the second hole expanding arm 68 are driven to rotate, and then the rotary hole expansion can be carried out under the action of the shovel plate 610, and then the auxiliary hole expansion can be carried out on the cast-in hole;

[0032] The shovel soil can be guided to the inner wall of the collecting frame 73 under the action of the funnel frame 710, at this time, when the second disc 62 is pulled out of the cast-in hole, the threaded clamping rod 77 can be separated from the first screw hole 75 and the second screw hole 76, and at the same time, the auxiliary clamping plate 74 can be separated from the auxiliary clamping groove 72, and then the threaded hole 78 on the collecting frame 73 can be separated from the outer threaded ring plate 79, and then the funnel frame 710 can be disassembled, and then the collecting frame 73 can be disassembled and separated.

[0033] The above is only the preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments based on the technical essence of the present application still belong to the protection scope of the present application.

Claims

1. A hydraulic hole expanding rapid pile forming cast-in-place pile device, comprising a mounting frame (1), characterized in that, the top of the mounting frame (1) is fixedly provided with a hydraulic telescopic rod (2), the top of the hydraulic telescopic rod (2) is fixedly connected with an external plate (3), the bottom of the mounting frame (1) is fixedly connected with a connecting round rod (4), and the bottom end of the connecting round rod (4) is fixedly connected with an auxiliary plate (5); a hydraulic hole expanding structure (6) is arranged between the hydraulic telescopic rod (2) and the auxiliary plate (5), the hydraulic hole expanding structure (6) comprises a first disc (61) and a second disc (62), the first disc (61) is fixedly connected with the output end of the hydraulic telescopic rod (2), and the bottom of the second disc (62) is fixedly connected with the top of the auxiliary plate (5); an auxiliary soil collecting structure (7) is arranged between the auxiliary plate (5) and the second disc (62), and the auxiliary soil collecting structure (7) comprises a collecting frame (73), and the bottom of the collecting frame (73) is fixedly connected with an auxiliary clamping plate (74).

2. The hydraulic underreaming rapid pile installation cast-in-place pile apparatus according to claim 1, characterized in that: The outer surface of the first disc (61) is fixedly connected with a first rectangular plate (63), and the outer surface of the second disc (62) is fixedly connected with a second rectangular plate (64).

3. The hydraulic underreaming rapid pile installation cast-in-place pile apparatus according to claim 2, characterized in that: The inner wall of the first rectangular plate (63) is provided with a first pin shaft (65), and a first hole expanding arm (66) is rotatably arranged on one side of the first rectangular plate (63) through the first pin shaft (65).

4. The hydraulic underreaming rapid pile installation cast-in-place pile apparatus according to claim 3, characterized in that: The inner wall of the second rectangular plate (64) is provided with a second pin shaft (67), and a second hole expanding arm (68) is rotatably arranged on one side of the second rectangular plate (64) through the second pin shaft (67).

5. The hydraulic underreaming rapid pile installation system of claim 4, wherein: A third pin shaft (69) is rotatably arranged between the first hole expanding arm (66) and the second hole expanding arm (68), and a soil shoveling plate (610) is fixedly connected to one side of the first hole expanding arm (66) and the second hole expanding arm (68).

6. The hydraulic underreaming rapid pile installation system of claim 1, wherein: A circular insertion hole (71) is formed in the inner wall of the second disc (62), an auxiliary clamping groove (72) is formed in the bottom of the auxiliary plate (5), the collecting frame (73) is inserted into the inner wall of the circular insertion hole (71), the auxiliary clamping plate (74) is clamped with the inner wall of the auxiliary clamping groove (72), a second screw hole (76) is formed in the inner wall of the auxiliary clamping groove (72), a first screw hole (75) is formed in the inner wall of the auxiliary clamping plate (74), and a threaded clamping rod (77) is threadedly connected with the inner walls of the first screw hole (75) and the second screw hole (76).

7. The hydraulic underreaming rapid pile installation system of claim 6, wherein: A threaded hole (78) is formed in the inner wall of the collecting frame (73), an external threaded ring plate (79) is threadedly connected with the inner wall of the threaded hole (78), and a funnel frame (710) is fixedly connected to the top of the external threaded ring plate (79).