CN116516945A

CN116516945A - Pile sinking reducing pile for mine exploitation

Info

Publication number: CN116516945A
Application number: CN202310303962.3A
Authority: CN
Inventors: 宋亚新; 陈树召; 于明生; 刘龙; 张子龙; 彭文
Original assignee: Lijiahao Coal Mine Of Guoneng Baotou Energy Co ltd; China University of Mining and Technology CUMT
Current assignee: Lijiahao Coal Mine Of Guoneng Baotou Energy Co ltd; China University of Mining and Technology CUMT
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-08-01

Abstract

The invention discloses a sinking reducing pile for mine exploitation, which comprises a first bearing table, a screw rod, a limiting assembly and a second pile body, wherein side plates are fixed on two sides of the first bearing table, a second bearing table is fixed on the top of each side plate, a hand wheel is arranged on the surface of each second bearing table, two ends of the screw rod are respectively connected with the first bearing table and the second bearing table, the screw rod is connected with the hand wheel, movable blocks are connected with two ends of the surface of each second bearing table in a sliding manner, the movable blocks penetrate through the bottom of each second bearing table and are fixedly provided with the first pile body, and the second pile body is fixed on the bottom of the first pile body. This mine is opened and is provided with lead screw and movable sleeve with subtracting the pile, drives movable sleeve through the lead screw and rises, can make movable sleeve drive two sets of movable blocks and first pile body adjusting distance through the head rod at its both ends for can adjust according to the position of scene foundation ditch, avoid the extravagant time of secondary punching, improve the convenience in the use.

Description

Pile sinking reducing pile for mine exploitation

Technical Field

The invention relates to the technical field related to engineering construction, in particular to a sinking reducing pile for mine exploitation.

Background

Engineering piles are piles which are used in engineering and are stressed and acted in building. The engineering pile is used on engineering entity and is to bear a certain load, the engineering pile can be divided into four types of friction pile, end bearing friction pile and friction end bearing pile according to the relative proportion of side friction resistance and end resistance provided by soil body, the pile can be divided into three types of large diameter pile, medium diameter pile and small diameter pile according to the diameter of pile, the friction pile is also called as sinking reducing pile, and is mainly used for stratum-embedded very deep foundation, and pile top load is borne by pile side resistance in the state of ultimate bearing capacity.

Disclosure of Invention

The invention aims to provide a pile-sinking reducing pile for mine exploitation, which aims to solve the problem that the existing pile-sinking reducing pile in the background art is inconvenient to adjust the distance.

In order to achieve the above purpose, the present invention provides the following technical solutions: a pile sinking reducing pile for mine exploitation, which comprises a first bearing table, a screw rod, a limiting assembly and a second pile body,

side plates are fixed on two sides of the first bearing table, a second bearing table is fixed on the top of each side plate, and a hand wheel is arranged on the surface of each second bearing table;

the two ends of the screw rod are respectively connected with a first bearing table and a second bearing table, the screw rod is connected with a hand wheel, the two ends of the surface of the second bearing table are connected with movable blocks in a sliding manner, and the movable blocks penetrate through the bottom of the second bearing table to be fixed with a first pile body;

the limiting component is arranged on the outer side surface of the side plate;

the second pile body is fixed at the bottom of the first pile body.

Preferably, the limiting component comprises a rack, a sliding block, a hollow groove and a bolt, wherein the rack is arranged on the surface of the side plate, the sliding block is connected to the surface of the side plate in a sliding manner, the hollow groove is formed in the inner side of the sliding block, and the bolt is arranged on the outer side of the sliding block.

Through adopting above-mentioned technical scheme, can conveniently carry out spacing fixed to the position of movable block and first pile body under the mutually supporting between rack, slider and bolt.

Preferably, the surface thread of the screw rod is connected with a movable sleeve, two ends of the movable sleeve are rotatably connected with a first connecting rod, and meanwhile the first connecting rod is connected with the movable block.

Through adopting above-mentioned technical scheme, can conveniently adjust the position of movable block and first pile body under the cooperation between lead screw, movable sleeve and head rod.

Preferably, the bottom of curb plate is fixed with fixed sleeve, and fixed sleeve's inside sliding connection has the movable rod, the one end and the movable block of movable rod are connected, and the other end rotation of movable rod is connected with the second connecting rod, and the second connecting rod is connected with the slider simultaneously.

Through adopting above-mentioned technical scheme, can conveniently drive the slider and remove under the mutually supporting between fixed sleeve, movable rod and the second connecting rod.

Preferably, the outer side surface of the first pile body is provided with reinforcing ribs, and the reinforcing ribs are provided with a plurality of groups.

By adopting the technical scheme, the strength of the first pile body can be improved.

Preferably, an insertion block is fixed at the bottom of the second pile body, and the insertion block is conical.

Through adopting above-mentioned technical scheme, can make things convenient for first pile body and second pile body and foundation ditch to dock.

Preferably, the inner wall of the second pile body is provided with a limiting column in a penetrating way, the surface of the limiting column is fixedly provided with a fixed block, the surface of the limiting column is sleeved with a spring, and two ends of the spring are respectively connected with the fixed block and the inner wall of the second pile body.

Through adopting above-mentioned technical scheme, can improve the frictional force between second pile body and the foundation ditch under the mutually supporting between spacing post, fixed block and the spring.

Preferably, the limiting columns are provided with a plurality of groups, and the surfaces of the limiting columns are provided with inclined planes.

Through adopting above-mentioned technical scheme, can conveniently remove spacing post.

Preferably, the first pile body is communicated with the second pile body, an air cylinder is fixed in the first pile body, a vertical rod is fixed at the bottom of the air cylinder, a pushing block is fixed at the bottom of the vertical rod, and meanwhile the pushing block is conical.

Through adopting above-mentioned technical scheme, can drive spacing post card into the foundation ditch under the mutually supporting between cylinder, montant and ejector pad.

Preferably, the bolts are rotated to be clamped into racks on the surfaces of the side plates, so that the sliding blocks can be fixed.

Through adopting above-mentioned technical scheme, and then fixed movable rod, the stability of increase first pile body.

Preferably, the pushing block at the bottom of the vertical rod is pushed to push the limit columns around the second pile body, so that the limit columns are clamped into the inner wall of the foundation pit, and the friction force between the second pile body and the foundation pit is improved.

Through adopting above-mentioned technical scheme, increase foundation ditch frictional force, prevent to slide

Preferably, the springs and the fixing blocks are symmetrically distributed in the second pile body.

Through above-mentioned technical scheme, cooperation spacing post increases steadiness ability.

Compared with the prior art, the invention has the beneficial effects that: the mine is driven by a pile sinking reducing pile,

(1) The movable sleeve is driven to ascend by the screw rod, and the movable sleeve can drive the two groups of movable blocks and the first pile body to adjust the distance through the first connecting rods at the two ends of the movable sleeve, so that the distance can be adjusted according to the position of the foundation pit on site, the time wasted by secondary punching is avoided, and the convenience in the use process is improved;

(2) The movable rod and the sliding block are arranged, the movable block moves and drives the movable rod to slide in the fixed sleeve, so that the movable rod can drive the sliding block to slide on the surface of the side plate through the second connecting rod, the sliding block is fixed through bolts outside the sliding block, the positions of the movable rod and the movable block are fixed through the second connecting rod by the sliding block, and the stability of the movable block and the first pile body after moving is improved;

(3) The vertical rods and the limiting columns are arranged, the vertical rods are driven to descend through the air cylinders in the first pile body, the vertical rods are propped against the limiting columns around the second pile body, the limiting columns can move towards one end far away from the central axis of the second pile body, so that the limiting columns are clamped into the inner wall of the foundation pit, the friction force between the second pile body and the foundation pit is improved, and the stability after installation is improved;

(4) Be provided with the strengthening rib and insert the piece, can improve its intensity through setting up the strengthening rib at first pile body surface, the second pile body bottom is conical insert the piece and can dock with the foundation ditch when can conveniently installing simultaneously, improves the butt joint success rate to improve the efficiency of construction.

Drawings

FIG. 1 is a schematic elevational view of the present invention;

FIG. 2 is a schematic view of the structures of a first and a second stage according to the present invention;

FIG. 3 is a schematic top view of a slider according to the present invention;

FIG. 4 is a schematic view of the first pile body and the second pile body according to the present invention;

FIG. 5 is a schematic cross-sectional view of a first pile and a second pile according to the present invention;

FIG. 6 is a schematic view of the structure of FIG. 5A according to the present invention;

fig. 7 is a schematic top view of a second pile body according to the present invention.

In the figure: 1. the device comprises a first bearing table, 2, side plates, 3, a second bearing table, 4, a hand wheel, 5, a screw rod, 6, a movable sleeve, 7, a first connecting rod, 8, a movable block, 9, a first pile body, 10, a fixed sleeve, 11, a movable rod, 12, a second connecting rod, 13, a limiting assembly, 1301, a rack, 1302, a sliding block, 1303, a hollow groove, 1304, a bolt, 14, a reinforcing rib, 15, a second pile body, 16, an inserting block, 17, a limiting column, 18, a fixed block, 19, a spring, 20, an air cylinder, 21, a vertical rod, 22 and a pushing block.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, the present invention provides a technical solution: as shown in fig. 1 and 2, side plates 2 are fixed on two sides of a first bearing table 1, a second bearing table 3 is fixed on the top of the side plates 2, a hand wheel 4 is arranged on the surface of the second bearing table 3, two ends of a screw rod 5 are respectively connected with the first bearing table 1 and the second bearing table 3, the screw rod 5 is connected with the hand wheel 4, movable sleeves 6 are connected with the surfaces of the screw rod 5 in a threaded manner, first connecting rods 7 are connected with movable blocks 8 in a threaded manner, the movable sleeves 6 in threaded connection with the movable sleeves are driven to ascend through the rotation of the screw rod 5, the movable sleeves 6 drive two groups of movable blocks 8 to move and slide in opposite directions or back directions on the surface of the first bearing table 1 through the first connecting rods 7 at the two ends of the movable sleeves, so that the two groups of movable blocks 8 drive the distance between the two groups of first pile bodies 9 to be adjusted according to the positions, the two ends of the surface of the second bearing table 3 are connected with movable blocks 8 in a sliding manner, the movable blocks 8 penetrate through the bottom of the second bearing table 3, reinforcing ribs 14 are arranged on the outer sides of the first pile bodies, and the reinforcing ribs 14 are arranged on the outer sides of the first bearing table 3.

As shown in fig. 1 and 2, a fixed sleeve 10 is fixed at the bottom of the side plate 2, a movable rod 11 is slidably connected in the fixed sleeve 10, one end of the movable rod 11 is connected with a movable block 8, the other end of the movable rod 11 is rotatably connected with a second connecting rod 12, meanwhile, the second connecting rod 12 is connected with a sliding block 1302, the movable block 8 drives the movable rod 11 to slide in the fixed sleeve 10 when the first bearing table 1 slides, meanwhile, the movable rod 11 drives the sliding block 1302 to slide on the surface of the side plate 2 through the second connecting rod 12, so that the positions of the movable rod 11, the movable block 8 and the first pile 9 are limited through the sliding block 1302, and the phenomenon of unstable shaking of the first pile 9 is avoided.

As shown in fig. 1, fig. 2 and fig. 3, the limiting component 13 is disposed on the outer side surface of the side plate 2, the limiting component 13 includes a rack 1301, a slider 1302, a hollow groove 1303 and a bolt 1304, the rack 1301 is disposed on the surface of the side plate 2, the surface of the side plate 2 is slidably connected with the slider 1302, the hollow groove 1303 is disposed on the inner side of the slider 1302, the bolt 1304 on the outer side of the slider 1302 is rotated, the slider 1302 can be clamped into the rack 1301 on the surface of the side plate 2, and the slider 1302 can be limited and fixed, and the movable rod 11 and the movable block 8 can be limited and fixed through the second connecting rod 12, so that the movable block 8 and the first pile 9 can be limited and fixed after the position of the first pile 9 is adjusted through the movable block 8, and the stability of the movable block is improved.

As shown in fig. 1, fig. 4, fig. 5, fig. 6 and fig. 7, the second pile body 15 is fixed at the bottom of the first pile body 9, the bottom of the second pile body 15 is fixed with the insertion block 16, and the insertion block 16 is conical, the conical insertion block 16 can facilitate the butt joint of the second pile body 15 and the first pile body 9 with the foundation pit, the butt joint efficiency is improved, the limit post 17 is arranged around the inner wall of the second pile body 15 in a penetrating manner, the fixed block 18 is fixed on the surface of the limit post 17, the spring 19 is sleeved on the surface of the limit post 17, two ends of the spring 19 are respectively connected with the fixed block 18 and the inner wall of the second pile body 15, the fixed block 18 and the limit post 17 can be driven to move towards one end close to the central axis of the second pile body 15 under the action of elasticity of the spring 19, so that the second pile body 15 can be immersed into the foundation pit for installation, the limit post 17 is provided with a plurality of groups, and the surface of the limit post 17 is provided with an inclined plane so that the inclined plane on the surface of the limit post 17 can drive the limit post 17 to move towards one end far away from the second pile body 15, thereby improving the friction stability between the inner wall of the limit post 17 and the foundation pit.

As shown in fig. 4 and 5, the first pile body 9 is communicated with the second pile body 15, the cylinder 20 is fixed in the first pile body 9, the vertical rod 21 is fixed at the bottom of the cylinder 20, the push block 22 is fixed at the bottom of the vertical rod 21, the push block 22 is tapered, the vertical rod 21 is driven to descend by the cylinder 20, and the limit posts 17 around the second pile body 15 are pushed by the push block 22 at the bottom of the vertical rod 21, so that the limit posts 17 are clamped into the inner wall of the foundation pit, and the friction between the second pile body 15 and the foundation pit can be improved.

Working principle: when the mine is used for reducing pile sinking, firstly, the whole is lifted by a crane, then the hand wheel 4 at the top of the second bearing platform 3 is rotated to drive the screw rod 5 to rotate, the screw rod 5 drives the movable sleeve 6 to ascend, the movable block 8 is driven to slide on the surface of the first bearing platform 1 by the first connecting rods 7 at the two ends of the movable sleeve 6, the movable block 8 can drive the first pile body 9 and the second pile body 15 to adjust positions, two groups of the first pile body 9 and the second pile body 15 can correspond to the positions of a foundation pit, meanwhile, the movable block 8 can drive the movable rod 11 to slide in the fixed sleeve 10 at the bottom of the side plate 2 when the first bearing platform 1 slides, and the slide block 1302 is driven to slide on the surface of the side plate 2 by the second connecting rods 12, after the positions of the first pile body 9 and the second pile body 15 are adjusted, the bolts 1304 outside the slide block 1302 are rotated, the sliding block 1302 is clamped into the rack 1301 on the surface of the side plate 2 to fix the sliding block 1302, the second connecting rod 12 is used for limiting and fixing the positions of the movable rod 11, the movable block 8 and the first pile body 9, then the whole pile body 9 and the second pile body 15 are driven to descend through the crane, the first pile body 9 and the second pile body 15 are immersed into a foundation pit through the insertion block 16 at the bottom of the second pile body 15, after the first pile body 9 and the second pile body 15 are immersed into the foundation pit, the cylinder 20 in the first pile body 9 is opened to drive the vertical rod 21 to descend, the limiting columns 17 around the second pile body 15 are pushed through the pushing block 22 at the bottom of the vertical rod 21, the limiting columns 17 are clamped into the inner wall of the foundation pit, the friction force between the second pile body 15 and the foundation pit is improved, and the whole operation is completed.

The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present invention.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides a mine is opened with subtracting pile sinking, includes first plummer (1), lead screw (5), spacing subassembly (13) and second pile body (15), its characterized in that:

side plates (2) are fixed on two sides of the first bearing table (1), a second bearing table (3) is fixed on the top of each side plate (2), and a hand wheel (4) is arranged on the surface of each second bearing table (3);

the two ends of the screw rod (5) are respectively connected with the first bearing table (1) and the second bearing table (3), the screw rod (5) is connected with the hand wheel (4), the two ends of the surface of the second bearing table (3) are connected with movable blocks (8) in a sliding manner, and the movable blocks (8) penetrate through the bottom of the second bearing table (3) to be fixed with a first pile body (9);

the limiting component (13) is arranged on the outer side surface of the side plate (2);

the second pile body (15) is fixed at the bottom of the first pile body (9).

2. A pile driver for mine opening as defined in claim 1, wherein: spacing subassembly (13) include rack (1301), slider (1302), blank groove (1303) and bolt (1304), rack (1301) set up the surface at curb plate (2), and the surface sliding connection of curb plate (2) has slider (1302), blank groove (1303) have been seted up to the inboard of slider (1302), and the outside of slider (1302) is provided with bolt (1304).

3. A pile driver for mine opening as defined in claim 1, wherein: the surface thread of lead screw (5) is connected with movable sleeve (6), and the both ends of movable sleeve (6) are rotated and are connected with head rod (7), and head rod (7) are connected with movable block (8) simultaneously.

4. A pile-reducing pile for mine opening as defined in claim 2, wherein: the bottom of curb plate (2) is fixed with fixed sleeve (10), and the inside sliding connection of fixed sleeve (10) has movable rod (11), the one end of movable rod (11) is connected with movable block (8), and the other end rotation of movable rod (11) is connected with second connecting rod (12), and second connecting rod (12) are connected with slider (1302) simultaneously.

5. A pile driver for mine opening as defined in claim 1, wherein: the outer side surface of the first pile body (9) is provided with reinforcing ribs (14), and the reinforcing ribs (14) are provided with a plurality of groups.

6. A pile driver for mine opening as defined in claim 1, wherein: an inserting block (16) is fixed at the bottom of the second pile body (15), and the inserting block (16) is conical.

7. A pile driver for mine opening as defined in claim 1, wherein: the inner wall of second pile body (15) runs through around and is provided with spacing post (17), and the fixed block (18) is fixed on the surface of spacing post (17), spring (19) have been cup jointed on the surface of spacing post (17), and the both ends of spring (19) are connected with the inner wall of fixed block (18) and second pile body (15) respectively.

8. A pile driver for mine opening as defined in claim 7, wherein: the limiting columns (17) are provided with a plurality of groups, and the surfaces of the limiting columns (17) are provided with inclined planes.

9. A pile driver for mine opening as defined in claim 1, wherein: the first pile body (9) is communicated with the second pile body (15), an air cylinder (20) is fixed in the first pile body (9), a vertical rod (21) is fixed at the bottom of the air cylinder (20), a pushing block (22) is fixed at the bottom of the vertical rod (21), and meanwhile the pushing block (22) is conical.

10. A pile-reducing pile for mine opening as defined in claim 2, wherein: the bolt (1304) is rotated, so that the bolt (1304) is clamped into the rack (1301) on the surface of the side plate (2), and the sliding block (1302) can be fixed.

11. A pile driver for mine opening as defined in claim 9, wherein: pushing blocks (22) at the bottom of the vertical rods (21) are pushed to push limiting columns (17) around the second pile body (15), so that the limiting columns (17) are clamped into the inner wall of the foundation pit, and friction force between the second pile body (15) and the foundation pit is improved.

12. A pile driver for mine opening as defined in claim 7, wherein: the springs (19) and the fixed blocks (18) are symmetrically distributed in the second pile body (15).