CN209924906U

CN209924906U - Variable cross-section screw pile drill rod

Info

Publication number: CN209924906U
Application number: CN201920511577.7U
Authority: CN
Inventors: 俞爱斌; 俞镜淇
Original assignee: Anhui Zhengrong Science Industry Group Co Ltd
Current assignee: Anhui Zhengrong Science Industry Group Co Ltd
Priority date: 2019-04-15
Filing date: 2019-04-15
Publication date: 2020-01-10
Anticipated expiration: 2029-04-15

Abstract

The utility model discloses a variable cross-section screw pile drill rod, which comprises a support plate and an upper support frame, wherein the surface of the support plate is symmetrically provided with a first rotating rod and a second rotating rod in a rotating way, the first rotating rod is rotatably connected with the middle part of the adjacent second rotating rod, and the lower surface of the upper support frame is welded with a movable frame; one end of the first rotating rod and one end of the second rotating rod which are adjacent move along the sliding groove, so that the position of the upper support frame moves, and compared with the traditional mode that workers directly hold the upper support frame by hands, the stability is greatly improved, and the condition of causing errors is reduced; one ends of the first rotating rod and the second rotating rod move along the movable frame, so that the stability is improved, and the upper support frame is ensured to be always in a stable state; when the operation is needed, the movable plate is slid, so that one end of the movable plate is separated from the supporting plate, and at the moment, the bottom plate is in contact with the ground, so that a worker can keep a stable state when standing on the movable plate.

Description

Variable cross-section screw pile drill rod

Technical Field

The utility model relates to a screw thread stake technical field specifically is a variable cross section screw thread stake drilling rod.

Background

The existing pile foundation technologies of the variable cross-section compaction screw pile, the extruded and expanded cast-in-place pile and the like have the characteristics of no need of soil discharge or less soil discharge amount, high bearing capacity, simple construction process and the like, therefore, the drill bit is widely applied, however, the existing screw pile and screw pile forming drill bit is generally composed of a hollow drill rod body and an external thread welded on the drill rod, the length of the external thread section is equal to that of a drilling tool, therefore, the length of the whole threaded pile drill rod is long during construction, construction is inconvenient, multiple persons are required to work in a cooperative mode, manual handheld operation is easy to cause instability of the whole threaded pile drill rod during working, deviation is easy to occur during drilling operation, and the whole threaded pile drill rod cannot fully play a role.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model can be realized by the following technical scheme: the utility model provides a variable cross section screw pile drilling rod, includes backup pad and upper bracket frame, the surperficial symmetry of backup pad is rotated and is equipped with first bull stick and second bull stick, just first bull stick is with adjacent the middle part of second bull stick is rotated and is connected, the lower surface welding of upper bracket frame is equipped with the adjustable shelf, the upper end of first bull stick and second bull stick all with the surperficial swing joint of last adjustable shelf, the upper surface middle part welding of upper bracket frame is equipped with driving motor, driving motor's lower extreme rotates and is equipped with the drilling rod, the surface of backup pad is run through and has been seted up the runner, and the one end of drilling rod is rotated and is run through the runner setting, the inside activity of backup pad is inserted and is equipped with the fly leaf, the one end lower surface symmetry welding of fly leaf is equipped with the support column, the inside activity.

Preferably, the lower surface of backup pad is equipped with the supporting leg along with the symmetry welding all around, the surface rotation of supporting leg is equipped with the gyro wheel.

Preferably, the spout has been seted up to the upper surface symmetry of backup pad, and the spout is the fluting of cross sectional shape for "L" shape, the lower extreme of first bull stick and second bull stick all is equipped with first gag lever post perpendicularly, and the one end activity card of first gag lever post is established in the inside of spout, just the one end of first bull stick is located the both sides of backup pad, the one end of second bull stick is located the upper surface of backup pad.

Preferably, the upper ends of the first rotating rod and the second rotating rod are vertically welded with a second limiting rod, and one end of the second limiting rod is movably clamped in the movable frame.

Preferably, the two ends of the upper supporting frame are symmetrically welded with handrails.

Preferably, a movable inserting block is vertically arranged at one end, located inside the supporting plate, of the movable plate, one end of the movable inserting block is in contact with the inner groove of the movable plate, a spring is arranged inside the supporting column, and one end of the inner rod is connected with one end of the spring.

Preferably, one end of the supporting plate is welded with a limiting cavity, and one end of the bottom plate is movably clamped inside the limiting cavity.

The utility model has the advantages that:

1. one end of the first rotating rod and one end of the second rotating rod which are adjacent move along the sliding groove, so that the position of the upper support frame moves, and compared with the traditional mode that workers directly hold the upper support frame by hands, the stability is greatly improved, and the condition of causing errors is reduced;

2. one ends of the first rotating rod and the second rotating rod move along the movable frame, so that the stability is improved, and the upper support frame is ensured to be always in a stable state;

3. when the operation is needed, the movable plate is slid, so that one end of the movable plate is separated from the supporting plate, and at the moment, the bottom plate is in contact with the ground, so that a worker can keep a stable state when standing on the movable plate.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

fig. 2 is a schematic view of the present invention;

fig. 3 is a schematic view of the present invention.

In the figure: the device comprises a supporting plate 1, supporting legs 11, rollers 12, a sliding groove 13, a limiting cavity 14, a first rotating rod 2, a first limiting rod 21, a second rotating rod 3, a second limiting rod 31, an upper supporting frame 4, a movable frame 41, a handrail 42, a driving motor 5, a drill rod 51, a movable plate 6, a movable insertion block 61, a supporting column 62, a spring 621, an inner rod 63 and a bottom plate 64.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a variable cross section screw thread stake drilling rod, including backup pad 1 and upper support frame 4, the surperficial symmetry of backup pad 1 rotates and is equipped with first bull stick 2 and second bull stick 3, and first bull stick 2 rotates with the middle part of adjacent second bull stick 3 to be connected, the lower surface welding of upper support frame 4 is equipped with adjustable shelf 41, the upper end of first bull stick 2 and second bull stick 3 all with the surperficial swing joint of last adjustable shelf 41, the upper surface middle part welding of upper support frame 4 is equipped with driving motor 5, driving motor 5's lower extreme rotates and is equipped with drilling rod 51, the surface of backup pad 1 is run through and has been seted up the runner, the one end of drilling rod 51 is rotated and is run through the runner setting, the inside activity of backup pad 1 is inserted and is equipped with fly leaf 6, the one end lower surface symmetry welding of fly leaf 6 is equipped with support column 62, the inside activity.

Furthermore, the lower surface of the supporting plate 1 is symmetrically welded with supporting legs 11 along the periphery, and the surfaces of the supporting legs 11 are rotatably provided with rollers 12; the supporting plate 1 is convenient to move.

Furthermore, sliding grooves 13 are symmetrically formed in the upper surface of the supporting plate 1, each sliding groove 13 is a groove with an L-shaped cross section, first limiting rods 21 are vertically arranged at the lower ends of the first rotating rod 2 and the second rotating rod 3, one end of each first limiting rod 21 is movably clamped inside the corresponding sliding groove 13, one end of each first rotating rod 2 is located on two sides of the supporting plate 1, and one end of each second rotating rod 3 is located on the upper surface of the supporting plate 1; first bull stick 2 rotates the inside that sets up at spout 13 through first gag lever post 2 with the one end of second bull stick 3, and the middle part of adjacent first bull stick 2 and second bull stick 3 rotates and is connected, the staff holds up upper bracket 4, and go on slowly downwards, make drilling rod 51 when boring, it is more stable, adjacent first bull stick 2 removes along spout 13 with the one end of second bull stick 3 this moment, make upper bracket 4's position remove, compare with the direct hand work of traditional staff, the stability is greatly improved, reduce the condition that causes the error.

Furthermore, the upper ends of the first rotating rod 2 and the second rotating rod 3 are vertically welded with a second limiting rod 31, and one end of the second limiting rod 31 is movably clamped inside the movable frame 41; the second limiting rod 31 arranged at the upper ends of the first rotating rod 2 and the second rotating rod 3 is movably inserted in the movable frame 41, so that when the position of the upper support frame 4 moves downwards, one ends of the first rotating rod 2 and the second rotating rod 3 move along the movable frame 41, the stability is improved, and the upper support frame 4 is ensured to be always in a stable state.

Furthermore, handrails 42 are symmetrically welded at two ends of the upper support frame 4; is convenient for the staff to hold.

Further, a movable insert 61 is vertically arranged at one end of the movable plate 6 positioned in the support plate 1, one end of the movable insert 61 is arranged in contact with the inner groove of the movable plate 6, a spring 621 is arranged in the support column 62, and one end of the inner rod 63 is connected with one end of the spring 621; a worker can stand on the movable plate 6 to perform work, and when work is required, the movable plate 6 is slid such that one end of the movable plate 6 is separated from the support plate 1, and at this time, the bottom plate 64 is in contact with the ground such that the worker can maintain a stable state while standing on the movable plate 6.

Furthermore, one end of the supporting plate 1 is welded with a limiting cavity 14, and one end of the bottom plate 64 is movably clamped in the limiting cavity 14; when the movable plate 6 is not used, the movable plate 6 is slid such that one end of the movable plate 6 approaches the inside of the supporting plate 1, and at this time, one end of the bottom plate 64 is movably inserted into the inside of the limiting cavity 14, thereby fixing the position of the movable plate 6 and preventing movement.

The utility model discloses a theory of operation: one end of each of the first rotating rod 2 and the second rotating rod 3 is rotatably arranged inside the sliding groove 13 through the first limiting rod 2, the middle parts of the adjacent first rotating rod 2 and the second rotating rod 3 are rotatably connected, an upper support frame 4 is held by an operator and slowly moves downwards, so that the drill rod 51 is more stable when drilling, one end of each of the adjacent first rotating rod 2 and the adjacent second rotating rod 3 moves along the sliding groove 13, the position of the upper support frame 4 moves, compared with the direct manual work of a traditional operator, the stability is greatly improved, the condition of causing errors is reduced, the second limiting rods 31 arranged at the upper ends of the first rotating rod 2 and the second rotating rod 3 are movably inserted inside the movable frame 41, so when the position of the upper support frame 4 moves downwards, one ends of the first rotating rod 2 and the second rotating rod 3 move along the movable frame 41, the stability is improved, and the upper support frame 4 is always in a stable state.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Claims

1. The variable cross-section threaded pile drill rod comprises a support plate (1) and an upper support frame (4), and is characterized in that a first rotating rod (2) and a second rotating rod (3) are symmetrically arranged on the surface of the support plate (1) in a rotating mode, the first rotating rod (2) is connected with the adjacent middle of the second rotating rod (3) in a rotating mode, a movable frame (41) is arranged on the lower surface of the upper support frame (4) in a welding mode, the upper ends of the first rotating rod (2) and the second rotating rod (3) are both movably connected with the surface of the upper movable frame (41), a driving motor (5) is arranged on the middle of the upper surface of the upper support frame (4) in a welding mode, a drill rod (51) is arranged at the lower end of the driving motor (5) in a rotating mode, a rotating groove is formed in the surface of the support plate (1), one end of the drill rod (51) is arranged in a rotating mode and penetrates through the rotating groove, a, the lower surface of one end of the movable plate (6) is symmetrically welded with support columns (62), an inner rod (63) is movably arranged in the support columns (62), and a bottom plate (64) is vertically arranged at the lower end of the inner rod (63).

2. The variable cross-section threaded pile drill rod as claimed in claim 1, characterized in that the lower surface of the support plate (1) is provided with support legs (11) along the periphery in a symmetrical welding manner, and the surface of each support leg (11) is rotatably provided with a roller (12).

3. The variable cross-section threaded pile drill rod as claimed in claim 1, wherein sliding grooves (13) are symmetrically formed in the upper surface of the support plate (1), each sliding groove (13) is a groove with an L-shaped cross section, first limiting rods (21) are vertically arranged at the lower ends of the first rotating rod (2) and the second rotating rod (3), one end of each first limiting rod (21) is movably clamped inside the corresponding sliding groove (13), one end of each first rotating rod (2) is located on each of two sides of the support plate (1), and one end of each second rotating rod (3) is located on the upper surface of the support plate (1).

4. The threaded pile drill rod with the variable cross section as claimed in claim 1, wherein a second limiting rod (31) is vertically welded to the upper ends of the first rotating rod (2) and the second rotating rod (3), and one end of the second limiting rod (31) is movably clamped inside the movable frame (41).

5. The threaded pile drill rod with the variable cross-section according to claim 1, characterized in that handrails (42) are symmetrically welded at two ends of the upper support frame (4).

6. The threaded pile drill rod with the variable cross section as claimed in claim 1, wherein a movable insert (61) is vertically arranged at one end of the movable plate (6) located inside the support plate (1), one end of the movable insert (61) is arranged in contact with an inner groove of the movable plate (6), a spring (621) is arranged inside the support column (62), and one end of the inner rod (63) is connected with one end of the spring (621).

7. The threaded pile drill rod with the variable cross section as claimed in claim 1 is characterized in that a limiting cavity (14) is welded at one end of the supporting plate (1), and one end of the bottom plate (64) is movably clamped in the limiting cavity (14).