Slag pulling-out device for CFG pile foundation construction

Abstract

The utility model provides a slag digging device for CFG pile foundation construction, which comprises a crawler steering device arranged at the lower part of a slag digging main machine, an operating platform arranged at the upper part of the crawler steering device, a drill rod mechanism for digging slag suspended by the operating platform through a rope of a drill rod suspension assembly, and a drill rod replacement assembly fixed on the side surface of a slag digging rod replacement fixing frame, the drill rod replacing assembly and the drill rod mechanism are arranged in parallel; a rod changing mechanical arm and drill rod fixing assemblies are fixed to the side face of the slag drawing-out rod changing fixing frame, the drill rod fixing assemblies are connected with the slag drawing-out rod changing fixing frame through bent fixing rods, a plurality of drill rods are fixed in the drill rod fixing assemblies, the drill rod fixing assemblies are arranged on the two sides of the drill rods, and the rod changing mechanical arm and the bent fixing rods are symmetrically arranged about the horizontal center lines of the drill rods. According to the slag pulling-out device used in the CFG pile foundation construction, the drill rod of the slag pulling-out device can be rapidly replaced, the downtime in the construction is shortened, and therefore the construction efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to CFG pile construction technical field especially relates to a kind of for the slag drawing device in CFG pile ground construction. BACKGROUND

[0002] In the CFG pile construction process, the slag drawing device is used to remove the soil slag and sundries in the pile hole, to ensure the cleanliness of the pile hole. The slag drawing process first uses a drill to drill a hole, forming a pile hole, and then lowers a slag drawing bucket to the bottom of the pile hole through a drill rod. At the same time, the drill rod and the slag drawing bucket are rotated, and the slag drawing bucket is lifted to bring the soil slag out of the pile hole.

[0003] Currently, the traditional slag drawing device is complex to operate during drill rod replacement, resulting in low efficiency of drill rod replacement. This seriously affects the progress of CFG pile construction, and manual replacement requires downtime, which can easily lead to prolonged exposure of the hole wall, decreased stability of the hole wall, and accumulation of soil slag at the bottom of the hole. SUMMARY

[0004] Therefore, the utility model aims to provide a slag drawing device for CFG pile ground construction to solve the problem of complex operation of the traditional slag drawing device during drill rod replacement, resulting in low efficiency of drill rod replacement. This seriously affects the progress of CFG pile construction, and manual replacement requires downtime, which can easily lead to prolonged exposure of the hole wall, decreased stability of the hole wall, and accumulation of soil slag at the bottom of the hole.

[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is as follows:

[0006] The utility model provides a kind of slag drawing device for CFG pile ground construction, including, slag drawing rod fixing frame, slag drawing host, drill rod suspension assembly, drill rod rod changing assembly, the lower part of the slag drawing host is track steering device, the upper part of the track steering device is equipped with operation platform, the operation platform is hung by the rope of drill rod suspension assembly for the drill rod mechanism of slag drawing, and the drill rod rod changing assembly is fixed on the side of slag drawing rod fixing frame, and the drill rod rod changing assembly is arranged in parallel with the drill rod mechanism;Rod changing mechanical hand and drill rod fixed assembly are fixed on the side of slag drawing rod fixing frame, the drill rod fixed assembly is connected with slag drawing rod fixing frame by bending fixed rod, a plurality of drill rods are fixed in the drill rod fixed assembly, the drill rod fixed assembly is arranged on both sides of drill rod, and the rod changing mechanical hand and bending fixed rod are symmetrically arranged with the horizontal center line of the drill rod.

[0007] Further, the rod changing manipulator comprises a short mechanical claw, a first cylinder, a first connecting seat, a second cylinder, a long mechanical claw, a first connecting shaft, a third connecting shaft, a fourth connecting shaft, a fifth connecting shaft and a second connecting shaft. The short mechanical claw is connected with the long mechanical claw through the first connecting shaft. The first connecting shaft is located at the front part of the long mechanical claw. The first connecting shaft extends through the upper and lower fixed plates of the short mechanical claw and the upper and lower fixed plates of the long mechanical claw and is connected with the second plunger rod of the second cylinder. The middle parts of the short mechanical claw and the long mechanical claw are provided with grooves which are matched with the surface curvature of the drill rod. The first fixed end of the first cylinder is fixed on the second connecting shaft at the tail part of the long mechanical claw. The joint bearing fish eye connected with the top of the first plunger rod of the first cylinder is connected with the short mechanical claw through the third connecting shaft. The third connecting shaft is located at the tail part of the short mechanical claw. The first connecting seat is connected with the second cylinder through the fifth connecting shaft. The tail part of the long mechanical claw is provided with the fourth connecting shaft. The fourth connecting shaft is located in front of the second connecting shaft. The fourth connecting shaft is used for supporting the upper and lower fixed plates of the long mechanical claw. The fifth connecting shaft fixes the first connecting seat and the second cylinder.

[0008] Further, the first connecting seat is fixed with the slag removing and rod changing fixing frame. Three connecting plates are arranged on the first connecting seat. The fifth connecting shaft is fixed between the upper two connecting plates. The fourth connecting shaft is fixed between the lower two connecting plates. The uppermost connecting plate of the first connecting seat is the shortest.

[0009] Further, the drill rod fixing assembly comprises a bent fixing rod, a drill rod mounting disc, a drill rod upper fixing seat, a drill rod lower fixing seat and a supporting rod. The bent fixing rod connects the drill rod upper fixing seat with the slag removing and rod changing fixing frame. The bent fixing rod is arranged at the top of the drill rod upper fixing seat. The bent fixing rod connects the drill rod lower fixing seat with the slag removing and rod changing fixing frame. The bent fixing rod is arranged at the bottom of the drill rod lower fixing seat. The middle part of the drill rod upper fixing seat is connected with the drill rod mounting disc through a first bearing. The middle part of the drill rod lower fixing seat is connected with the drill rod mounting disc through a second bearing. The two drill rod mounting discs are connected and fixed through the supporting rod.

[0010] Further, the upper part of the drill rod upper fixing seat is a cylindrical structure. The side surface of the upper part is provided with a rectangular opening.

[0011] Further, the structure of the drill rod upper fixing seat is consistent with that of the drill rod lower fixing seat, but the installation directions are opposite.

[0012] Further, the bottom of the drill rod mounting disc is provided with a connecting rod, and the upper part is a drill rod fixing disc, a plurality of open circular holes are evenly arranged in the drill rod fixing disc with the center as the center, half of the open circular holes are in the shape of an arc, and the other half are in the shape of an opening extending to the edge of the drill rod fixing disc by being tangent to the arc, and the arc of the open circular hole is consistent with the size of the fixing shaft diameter of the drill rod; the drill rod mounting disc located in the upper part of the drill rod fixing seat is connected with the upper part of the drill rod fixing seat through the connecting rod, and the drill rod mounting disc located in the lower part of the drill rod fixing seat is connected with the lower part of the drill rod fixing seat through the connecting rod.

[0013] Compared with the prior art, the slag drawing device for CFG pile foundation construction has the following advantages:

[0014] (1) The second cylinder is used for adjusting the rotation position of the long mechanical claw, the first cylinder is used for adjusting the rotation position of the short mechanical claw, and the second cylinder can also control the overall rotation of the mechanical claw, so that the rotation of the drill rod fixing assembly drives the position change of the replacement drill rod in the drill rod, so that the adjustment of the position change of the mechanical claw grabbing position is achieved, and the cooperation of the first cylinder and the second cylinder can achieve the action of clamping or loosening the drill rod.

[0015] (2) The drill rod replacing assembly in the utility model can quickly replace the drill rod of the slag drawing device, reduce the downtime in construction, and improve the construction efficiency. The drill rod replacing assembly and the drill rod mechanism for drawing slag are arranged side by side, so that they are more compact in space, and the overall layout and operation are facilitated. The side-by-side arrangement reduces the change of the center of gravity of the slag drawing device during the rod replacing process, and improves the safety of the rod replacing process. BRIEF DESCRIPTION OF DRAWINGS

[0016] The accompanying drawings, which form a part of the present application, are used to provide further understanding of the present application, and the illustrative embodiments of the present application and their description are used to explain the present application, and do not constitute improper limitations on the present application.

[0017] In the drawings:

[0018] Figure 1 The shaft side view of the rod replacing assembly in the slag drawing device for CFG pile foundation construction is described in the embodiments of the present application;

[0019] Figure 2 The enlarged view of position I in the shaft side view of the rod replacing assembly in the slag drawing device for CFG pile foundation construction is described in the embodiments of the present application;

[0020] Figure 3 The front view of the rod replacing assembly in the slag drawing device for CFG pile foundation construction is described in the embodiments of the present application;

[0021] Figure 4The utility model discloses a for CFG pile ground construction among the slag drawing device in the rod changing subassembly main view of view in C -C place section view schematic diagram for the embodiment of the utility model.

[0022] Figure 5 The utility model discloses a for CFG pile ground construction among the slag drawing device construction schematic drawing for the embodiment of the utility model.

[0023] Mark explanation:

[0024] 1, the upper fixed seat of drill pipe, 2, drill pipe, 3, the lower fixed seat of drill pipe, 4, drill pipe mounting disc, 5, bend fixed rod, 6, short mechanical claw, 7, first air cylinder, 8, slag drawing rod changing fixed frame, 9, first connecting seat, 10, second air cylinder, 11, long mechanical claw, 12, first connecting shaft, 13, third connecting shaft, 14, fourth connecting shaft, 15, fifth connecting shaft, 16, second connecting shaft, 17, slag drawing host computer, 18, drill pipe suspension subassembly, 19, drill pipe rod changing subassembly, 20, CFG pile. Specific implementation

[0025] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0026] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. The indicated device or element must have a specific orientation, a specific orientation and operation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0027] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] The utility model discloses below will refer to the drawing and combine the embodiment to explain in detail.

[0029] Reference Figures 1-5 As shown in the figure, the embodiment provides a slag drawing device for CFG pile foundation construction, the slag drawing rod fixing frame 8, the slag drawing main machine 17, the drill rod suspension assembly 18, the drill rod rod changing assembly 19, the lower part of the slag drawing main machine 17 is a crawler belt steering device, the upper part of the crawler belt steering device is equipped with an operation platform, the operation platform is suspended by the rope of the drill rod suspension assembly 18 and is used for the drill rod mechanism of drawing slag, the side of the slag drawing rod changing fixed frame 8 is fixed with the drill rod rod changing assembly 19, and the drill rod rod changing assembly 19 is arranged in parallel with the drill rod mechanism.

[0030] Specifically, in the embodiment, the rod changing mechanical hand includes a short mechanical claw 6, a first cylinder 7, a first connecting seat 9, a second cylinder 10, a long mechanical claw 11, a first connecting shaft 12, a third connecting shaft 13, a fourth connecting shaft 14, a fifth connecting shaft 15 and a second connecting shaft 16, the short mechanical claw 6 is connected with the long mechanical claw 11 through the first connecting shaft 12, the first connecting shaft 12 is located at the front part of the long mechanical claw 11, the first connecting shaft 12 extends out of a section of shaft diameter through the upper and lower fixed plates of the short mechanical claw 6 and the upper and lower fixed plates of the long mechanical claw 11 and is connected with the second plunger rod of the second cylinder 10, recesses are arranged in the middle parts of the short mechanical claw 6 and the long mechanical claw 11, and the recesses are matched with the surface curvature of the drill rod, the first fixed end of the first cylinder 7 is fixed on the second connecting shaft 16 at the tail part of the long mechanical claw 11, the joint bearing fish eye position connected with the top of the first plunger rod of the first cylinder 7 is connected with the short mechanical claw 6 through the third connecting shaft 13, and the third connecting shaft 13 is located at the tail part of the short mechanical claw 6, the first connecting seat 9 is connected with the second cylinder 10 through the fifth connecting shaft 15, the tail part of the long mechanical claw 11 is provided with the fourth connecting shaft 14, the fourth connecting shaft 14 is in front of the second connecting shaft 16, the fourth connecting shaft 14 is used for supporting the upper and lower fixed plates of the long mechanical claw 11, and the fifth connecting shaft 15 fixes the first connecting seat 9 and the second cylinder 10.

[0031] Specifically, in the embodiment, the first connecting seat 9 is fixed with the slag drawing rod changing fixed frame 8, three connecting plates are arranged on the first connecting seat 9, the fifth connecting shaft 15 is fixed between the upper two connecting plates, the fourth connecting shaft 14 is fixed between the lower two connecting plates, and the connecting plate on the uppermost layer of the first connecting seat 9 is the shortest.

[0032] Specifically, in this embodiment, the drill rod fixing assembly includes a bent fixing rod 5, a drill rod mounting disc 4, a drill rod upper fixing seat 1, a drill rod lower fixing seat 3, and a support rod. The bent fixing rod 5 connects the drill rod upper fixing seat 1 and the slag removing and rod changing fixing frame 8, and is arranged at the top of the drill rod upper fixing seat 1. The bent fixing rod 5 connects the drill rod lower fixing seat 3 and the slag removing and rod changing fixing frame 8, and is arranged at the bottom of the drill rod lower fixing seat 3. The middle part of the drill rod upper fixing seat 1 is connected with the drill rod mounting disc 4 through a first bearing. The middle part of the drill rod lower fixing seat 3 is connected with the drill rod mounting disc 4 through a second bearing. The two drill rod mounting discs 4 are connected and fixed through the support rod.

[0033] Specifically, in this embodiment, the upper part of the drill rod upper fixing seat 1 is a cylindrical structure, and the side surface is provided with a rectangular opening.

[0034] Specifically, in this embodiment, the drill rod upper fixing seat 1 and the drill rod lower fixing seat 3 are consistent in structure but opposite in installation direction.

[0035] Specifically, in this embodiment, the bottom of the drill rod mounting disc 4 is provided with a connecting rod, and the upper part is a drill rod fixing disc. The drill rod fixing disc is provided with a plurality of open circular holes with the center as the center. Half of the open circular holes are circular arcs, and the other half are openings extending to the edge of the drill rod fixing disc and tangent to the circular arcs. The circular arcs of the open circular holes are consistent in size with the fixing shaft diameter of the drill rod 2. The drill rod mounting disc 4 located in the drill rod upper fixing seat 1 is connected with the drill rod upper fixing seat 1 through the connecting rod. The drill rod mounting disc 4 located in the drill rod lower fixing seat 3 is connected with the drill rod lower fixing seat 3 through the connecting rod.

[0036] In the embodiment, the drill rod suspension assembly moves the slag removing main engine drive crawler turning device to the vicinity of the construction position during construction, suspends the drill rod mechanism above the CFG pile 20 through the operation platform, drives the drill rod to drill in the forward direction, reverses to discharge slag, and when the drill rod needs to be replaced, the long mechanical claw is driven to replace the drill rod and then the slag discharging action is continued. The second cylinder is used to adjust the rotation position of the long mechanical claw, the first cylinder is used to adjust the rotation position of the short mechanical claw, and the second cylinder can also control the overall rotation of the mechanical claw, so that the rotation of the drill rod fixing assembly drives the position change of the replacement drill rod in the drill rod, thereby achieving the adjustment of the change of the grabbing position of the mechanical claw. Meanwhile, the control of the first cylinder and the second cylinder can achieve the action of clamping or loosening the drill rod. The drill rod changing assembly can quickly replace the drill rod of the slag removing device, reduce the downtime during construction, and thus improve the construction efficiency. The drill rod changing assembly and the drill rod mechanism for slag removing are arranged side by side, so that they are more compact in space, which is convenient for overall layout and operation. The side-by-side arrangement reduces the change of the center of gravity of the slag removing device during the rod changing process, and improves the safety of the rod changing process.

[0037] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A slagging device for use in CFG pile foundation construction, characterized in that, It includes, slagging out the fixed frame of rod changing (8), the main machine of slagging out (17), the suspension assembly of drill rod (18), the drill rod rod changing assembly (19), the lower part of the main machine of slagging out (17) is the track steering device, the upper part of the track steering device is equipped with the operating platform, the operating platform is suspended by the rope of the suspension assembly of drill rod (18) for the drill rod mechanism of slagging out, the fixed frame of rod changing (8) side surface fixed the drill rod rod changing assembly (19), the drill rod rod changing assembly (19) is parallelly arranged with the drill rod mechanism;The fixed frame of rod changing (8) side surface fixed rod changing manipulator and drill rod fixed assembly, the drill rod fixed assembly is connected with the fixed frame of rod changing (8) through the bending fixed rod (5), a plurality of drill rods (2) are fixed in the drill rod fixed assembly, the drill rod fixed assembly is arranged on both sides of the drill rod (2), and the rod changing manipulator and the bending fixed rod (5) are symmetrically arranged with the horizontal center line of the drill rod (2).

2. The device for slag removal in the construction of CFG pile foundations according to claim 1, characterized in that, The rod changing manipulator includes a short mechanical claw (6), a first cylinder (7), a first connecting seat (9), a second cylinder (10), a long mechanical claw (11), a first connecting shaft (12), a third connecting shaft (13), a fourth connecting shaft (14), a fifth connecting shaft (15), and a second connecting shaft (16). The short mechanical claw (6) is connected with the long mechanical claw (11) through the first connecting shaft (12), the first connecting shaft (12) is located at the front of the long mechanical claw (11), the first connecting shaft (12) extends out of a shaft diameter through the upper and lower fixed plates of the short mechanical claw (6) and the upper and lower fixed plates of the long mechanical claw (11) and is connected with the second plunger rod of the second cylinder (10), recesses are arranged in the middle of the short mechanical claw (6) and the long mechanical claw (11), and the recesses are matched with the surface curvature of the drill rod (2). The first fixed end of the first cylinder (7) is fixed on the second connecting shaft (16) at the tail of the long mechanical claw (11), the joint bearing fish eye connected with the top of the first plunger rod of the first cylinder (7) is connected with the short mechanical claw (6) through the third connecting shaft (13), and the third connecting shaft (13) is located at the tail of the short mechanical claw (6). The first connecting seat (9) is connected with the second cylinder (10) through the fifth connecting shaft (15), the fourth connecting shaft (14) is arranged at the tail of the long mechanical claw (11), the fourth connecting shaft (14) is located in front of the second connecting shaft (16), the fourth connecting shaft (14) is used for supporting the upper and lower fixed plates of the long mechanical claw (11), and the fifth connecting shaft (15) fixes the first connecting seat (9) and the second cylinder (10).

3. The device for slag removal in the construction of CFG pile foundations according to claim 2, characterized in that, The first connecting seat (9) is fixed with the fixed frame of rod changing (8), and three connecting plates are arranged on the first connecting seat (9). The fifth connecting shaft (15) is fixed between the upper two connecting plates, the fourth connecting shaft (14) is fixed between the lower two connecting plates, and the uppermost connecting plate of the first connecting seat (9) is the shortest.

4. The device as claimed in claim 1, wherein, The drill rod fixing assembly comprises a bent fixing rod (5), a drill rod mounting disc (4), a drill rod upper fixing seat (1), a drill rod lower fixing seat (3) and a supporting rod, the bent fixing rod (5) connects the drill rod upper fixing seat (1) with the slag removing and rod changing fixing frame (8), and is arranged at the top of the drill rod upper fixing seat (1); the bent fixing rod (5) connects the drill rod lower fixing seat (3) with the slag removing and rod changing fixing frame (8), and is arranged at the bottom of the drill rod lower fixing seat (3); the middle part of the drill rod upper fixing seat (1) is connected with the drill rod mounting disc (4) through a first bearing; the middle part of the drill rod lower fixing seat (3) is connected with the drill rod mounting disc (4) through a second bearing; and the two drill rod mounting discs (4) are connected and fixed through the supporting rod.

5. The device for slag removal in CFG pile foundation construction as claimed in claim 4, wherein, The upper part of the drill rod upper fixing seat (1) is in a cylindrical structure, and a rectangular opening is arranged on the side surface thereof.

6. The device for slag removal in CFG pile foundation construction according to claim 5, characterized in that, The drill rod upper fixing seat (1) and the drill rod lower fixing seat (3) are identical in structure but are opposite in installation direction.

7. The device for slag removal in CFG pile foundation construction as claimed in claim 4, wherein, The bottom of the drill rod mounting disc (4) is provided with a connecting rod, and the upper part is a drill rod fixing disc, a plurality of open circular holes are arranged in the drill rod fixing disc with the center as the center, half of the open circular holes are in an arc shape, and the other half are in an open shape extending to the edge of the drill rod fixing disc from the tangent of the arc, the arc of the open circular hole is identical in size with the fixing shaft diameter of the drill rod (2); the drill rod mounting disc (4) located in the drill rod upper fixing seat (1) is connected with the drill rod upper fixing seat (1) through the connecting rod, and the drill rod mounting disc (4) located in the drill rod lower fixing seat (3) is connected with the drill rod lower fixing seat (3) through the connecting rod.

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