CN110700755B

CN110700755B - Rotary drilling rig power head convenient to mount and dismount

Info

Publication number: CN110700755B
Application number: CN201911110708.1A
Authority: CN
Inventors: 常军; 夏春
Original assignee: Xuzhou Jianchuan Machinery Manufacturing Co ltd
Current assignee: Xuzhou Jianchuan Machinery Manufacturing Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2021-03-19
Anticipated expiration: 2039-11-14
Also published as: CN110700755A

Abstract

The invention discloses a rotary drilling rig power head convenient to mount and dismount, and relates to the technical field of engineering machinery. The power head comprises a mounting seat and a power head body, wherein supporting plates are arranged on two sides of the mounting seat; guide blocks are arranged between the opposite surfaces of the two supporting plates; the top side and the bottom side of the guide block are both provided with three convex grooves; the inner part of the convex groove is matched with a bolt in a sliding way; a first spring is arranged between the bolt and the convex groove; connecting pieces matched with the guide blocks are arranged on two sides of the power head body; the connecting piece is of a concave structure; bolt holes matched with the bolts are formed in the top side and the bottom side of the connecting piece. According to the invention, the guide block is matched with the connecting piece on the side surface of the power head body, the plug pin is clamped with the connecting piece under the action of the first spring to fix the power head body, bolts are not required to be adopted for fixing, the installation and the disassembly are convenient, and the efficiency of engineering construction is improved.

Description

Rotary drilling rig power head convenient to mount and dismount

Technical Field

The invention belongs to the technical field of engineering machinery, and particularly relates to a rotary drilling rig power head convenient to mount and dismount.

Background

The rotary drilling rig is a construction machine suitable for hole forming operation in building foundation engineering. The method is mainly suitable for the construction of soil layers such as sandy soil, cohesive soil, silty soil and the like, and is widely applied to the construction of various foundation foundations such as cast-in-place piles, continuous walls, foundation reinforcement and the like.

The conventional power head of the rotary drilling rig is generally fixedly connected with a mounting plate through a bolt, the mounting plate is in sliding fit with a mast of the rotary drilling rig, but the power head of the rotary drilling rig belongs to a vulnerable product in the rotary drilling rig, when the power head is replaced and maintained, the bolt fixed between the power head and the mounting plate needs to be completely detached, so that the power head can be replaced, time and labor are wasted, and the efficiency of engineering construction is reduced.

Disclosure of Invention

The invention aims to provide a rotary drilling rig power head convenient to mount and dismount.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a rotary drilling rig power head convenient to mount and dismount, which comprises a mounting seat and a power head body, wherein supporting plates are arranged on two sides of the mounting seat; a guide block is arranged between the opposite surfaces of the two supporting plates; the top side and the bottom side of the guide block are both provided with a plurality of convex grooves; a bolt is matched in the convex groove in a sliding manner; a first spring is arranged between the bolt and the convex groove;

connecting pieces matched with the guide blocks are arranged on two sides of the power head body; the connecting piece is of a concave structure; bolt holes matched with the bolts are formed in the top side and the bottom side of the connecting piece.

Furthermore, two rectangular grooves are formed in the surface of the mounting seat; a shaft hole is formed between the two rectangular grooves; a rotating shaft is rotatably connected inside the shaft hole; limiting baffles are rotatably connected to the two ends of the rotating shaft and positioned in the rectangular grooves; two limiting holes are formed in the peripheral side face of the rotating shaft.

Furthermore, a guide groove is formed in the surface of the mounting seat and positioned between the two rectangular grooves; limiting blocks matched with the limiting holes are arranged in the guide grooves and positioned on two sides of the rotating shaft in a sliding fit mode; and a second spring is arranged between the two limiting blocks and the guide groove.

Furthermore, the limiting baffle is of a semicircular structure.

Furthermore, one side of the mounting seat, which is close to the guide block, is of a U-shaped structure.

The invention has the following beneficial effects:

according to the invention, the guide block is matched with the connecting piece on the side surface of the power head body, the bolt is clamped with the connecting piece under the action of the first spring to fix the power head body, bolts are not required to be adopted for fixing, the installation and the disassembly are convenient, the efficiency of engineering construction is improved, meanwhile, the power head body is limited by the two limiting baffles, the two limiting baffles are limited by the limiting blocks which are clamped with the residual rotating shafts, the situation that the power head body shakes during construction is reduced, and the practicability is higher.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a rotary drilling rig power head convenient to mount and dismount;

FIG. 2 is a sectional view of a rotary drilling rig power head convenient to mount and dismount;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is an enlarged view of FIG. 2 at B;

FIG. 5 is a schematic structural view of the power head body;

FIG. 6 is a schematic structural view of the mounting base;

FIG. 7 is a schematic view of a connection structure of a rotating shaft and a limit baffle;

in the drawings, the components represented by the respective reference numerals are listed below:

1-mounting seat, 2-power head body, 101-supporting plate, 102-guide block, 103-convex groove, 104-bolt, 105-first spring, 106-rectangular groove, 107-shaft hole, 108-rotating shaft, 109-limit baffle, 1010-limit hole, 1011-guide groove, 1012-limit block, 1013 second spring, 201-connecting piece, 202-bolt hole,

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the invention relates to a rotary drilling rig power head convenient to mount and dismount, which comprises a mounting seat 1 and a power head body 2, and is characterized in that:

supporting plates 101 are arranged on two sides of the mounting seat 1; a guide block 102 is arranged between the opposite surfaces of the two support plates 101; the top side and the bottom side of the guide block 102 are both provided with a plurality of convex grooves 103; a bolt 104 is in sliding fit with the inside of the convex groove 103; a first spring 105 is arranged between the bolt 104 and the convex groove 103;

the two sides of the power head body 2 are both provided with connecting pieces 201 matched with the guide blocks 102; the connecting piece 201 is of a concave structure; the connector 201 has latch holes 202 formed on both the top and bottom sides for mating with the latches 104.

As shown in fig. 6 and 7, two rectangular grooves 106 are formed on the surface of the mounting seat 1; a shaft hole 107 is arranged between the two rectangular grooves 106; a rotating shaft 108 is rotatably connected to the inside of the shaft hole 107; limiting baffles 109 are rotatably connected to two ends of the rotating shaft 108 and positioned in the rectangular groove 106; two limiting holes 1010 are formed on the peripheral side surface of the rotating shaft 108.

As shown in fig. 4 and 6, a guide groove 1011 is formed on the surface of the mounting seat 1 and located between the two rectangular grooves 106; a limiting block 1012 matched with the limiting hole 1010 is arranged in the guide groove 1011 and positioned at both sides of the rotating shaft 108 in a sliding fit manner; a second spring 1013 is provided between the two stoppers 1012 and the guide groove 1011.

As shown in fig. 7, the limiting baffles 109 are semicircular structures, and the two limiting baffles 109 limit the power head body 2 under the action of the limiting block 1012, so that the shaking of the power head body in the using process is reduced.

As shown in fig. 6, one side of the mounting base 1 close to the guide block 102 is a U-shaped structure, which increases the contact area between the mounting base 1 and the power head body 2, so that the limit baffle 109 is attached to the power head body 2.

One specific application of this embodiment is: during installation, mutually laminating mount pad 1 and unit head body 2, two guide blocks 102 insert in connecting piece 201, bolt 104 is in the effect of first spring 105 and the mutual joint of bolt hole 202, fix unit head body 2, drive two limit baffle 109 and unit head body 2 both ends when rotation axis 108 rotates and laminate each other, stopper 1012 is to rotation axis 108 with the mutual joint of limit hole 1010 of rotation axis 108 week side under the effect of second spring 1013, avoid rotation axis 108 rotatory two limit baffle 109 to carry on spacingly to unit head body 2, avoid unit head body 2 to rock in the work progress.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a dig rig unit head soon convenient to installation is dismantled, includes mount pad (1) and unit head body (2), its characterized in that:

supporting plates (101) are arranged on two sides of the mounting seat (1); a guide block (102) is arranged between the opposite surfaces of the two support plates (101); the top side and the bottom side of the guide block (102) are both provided with a plurality of convex grooves (103); a bolt (104) is in sliding fit with the inside of the convex groove (103); a first spring (105) is arranged between the bolt (104) and the convex groove (103);

connecting pieces (201) matched with the guide blocks (102) are arranged on the two sides of the power head body (2); the connecting piece (201) is of a concave structure; the top side and the bottom side of the connecting piece (201) are both provided with bolt holes (202) matched with the bolts (104);

two rectangular grooves (106) are formed in the surface of the mounting seat (1); an axle hole (107) is formed between the two rectangular grooves (106); a rotating shaft (108) is rotatably connected inside the shaft hole (107); limiting baffles (109) are rotatably connected to the two ends of the rotating shaft (108) and positioned in the rectangular groove (106); two limiting holes (1010) are formed in the peripheral side surface of the rotating shaft (108);

a guide groove (1011) is formed in the surface of the mounting seat (1) and positioned between the two rectangular grooves (106); limiting blocks (1012) matched with the limiting holes (1010) are arranged in the guide grooves (1011) and positioned on two sides of the rotating shaft (108) in a sliding fit manner; a second spring (1013) is arranged between the two limiting blocks (1012) and the guide groove (1011).

2. The rotary drilling rig power head convenient to mount and dismount as claimed in claim 1, wherein the limiting baffle (109) is of a semicircular structure.

3. The rotary drilling rig power head convenient to mount and dismount as claimed in claim 1, wherein one side, close to the guide block (102), of the mounting base (1) is of a U-shaped structure.