CN214212912U

CN214212912U - Auxiliary braking device for stand column of radial drilling machine

Info

Publication number: CN214212912U
Application number: CN202023249129.6U
Authority: CN
Inventors: 黎镜斌; 黎致铭; 黎致荣
Original assignee: Foshan Nanhai Xielong Metal Structure Co ltd
Current assignee: Foshan Nanhai Xielong Metal Structure Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-09-17
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a radial drill's supplementary arresting gear is used to stand, through fixing the bulge loop on base, stand, it sets up supplementary arresting gear between base and bulge loop, wherein supplementary arresting gear includes two braking plates and the braking piece of connection on the braking plate, two braking plate one end are articulated and are connected with the base through the connecting rod, and then control the braking plate swing through the flexible component between two braking plates, make the braking piece inlay in the clearance between base and bulge loop, increase the required frictional force of stand rotation, and then realize the braking of stand; through the arrangement of the sliding chute and the sliding rod, when the telescopic component extends, the brake piece is not contacted with the base and the convex ring at the same time, and the rotation of the upright post is not influenced; and, auxiliary brake sets up in radial drill's the outside, convenient maintenance and maintenance.

Description

Auxiliary braking device for stand column of radial drilling machine

Technical Field

The utility model relates to a drilling machine equipment field, in particular to radial drill's stand is with supplementary arresting gear.

Background

Among the current large-scale radial drill, it includes the base, rotates the stand of connection on the base, drive stand pivoted motor, sliding connection at the rocking arm of stand upper end, the lead screw subassembly and the headstock of sliding connection on the rocking arm that the drive rocking arm reciprocated for the drill bit that carries out the drilling to the work piece is installed on the headstock. Wherein, the motor drive stand rotates for the rocking arm swing to combine screw rod subassembly and headstock slip on the rocking arm, realize the regulation of drill bit to the processing position. For example, chinese patent No. cn202010057080.x discloses a radial drilling machine with quick machining and positioning.

However, in the existing large-scale radial drilling machine, some upright columns or motors driving the upright columns to rotate are not provided with braking devices, the upright columns are not easy to rotate under the action of external force by means of the large gravity of the upright columns, and when the external force is large, the gravity of the upright columns cannot meet the stable requirement.

Moreover, some radial drilling machines are provided with braking devices on the upright columns or the motors driving the upright columns to rotate, and the braking devices are arranged inside the base.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing prior art, an object of the present invention is to provide a radial drill's auxiliary brake device for stand, which realizes the braking of the radial drill's stand.

In order to achieve the purpose, the utility model adopts the following technical proposal:

an auxiliary braking device for a stand column of a radial drilling machine comprises a base, the stand column and a rocker arm, wherein the lower end of the stand column is rotatably connected to the base through a bearing, and the rocker arm is connected to the upper end of the stand column; a convex ring is fixed at the lower end of the upright column and above the base, and a gap is reserved between the bottom surface of the convex ring and the bottom surface of the base;

the brake device is characterized by further comprising two brake plates, wherein one end of each brake plate is hinged through a rotating shaft, the other end of each brake plate is connected with an elastic part, more than two brake plates are hinged to the middle of each brake plate, the cross sections of the brake plates, far away from one ends of the brake plates, are V-shaped and are arranged in the gaps, the maximum thickness of each brake plate is larger than the width of each gap, a telescopic member is further arranged between the two brake plates, and two ends of each telescopic member are respectively hinged with the two brake plates;

the middle parts of the two brake plates are also provided with sliding grooves, sliding rods are arranged in the sliding grooves, connecting rods are fixed on the rotating shafts, and the lower ends of the connecting rods and the lower ends of the sliding rods are fixed on the base.

In the auxiliary braking device for the upright post of the radial drilling machine, the telescopic component is a telescopic cylinder.

In the auxiliary braking device for the upright post of the radial drilling machine, two ends of a telescopic cylinder are connected to one end of two brake plates in a hinged mode.

In the auxiliary braking device for the upright post of the radial drilling machine, the elastic part is an extension spring.

In the auxiliary braking device for the stand column of the radial drilling machine, one end of each of the two braking plates, which is provided with the elastic part, is provided with the limiting bolt, and the elastic part is sleeved in the middle of the limiting bolt, and two ends of the elastic part are respectively abutted against the two braking plates.

In the auxiliary braking device for the upright post of the radial drilling machine, the elastic part is a compression spring.

In the auxiliary braking device for the upright post of the radial drilling machine, a cutter placing frame is arranged on the braking plate.

Has the advantages that: the convex rings are fixed on the base and the upright post, and the auxiliary braking device is arranged between the base and the convex ring and comprises two braking plates and a braking piece connected to the braking plates, one ends of the two braking plates are hinged and connected with the base through a connecting rod, and then the braking plates are controlled to swing through a telescopic component between the two braking plates, so that the braking piece is embedded in a gap between the base and the convex ring, the friction force required by the rotation of the upright post is increased, and the braking of the upright post is realized; through the arrangement of the sliding chute and the sliding rod, when the telescopic component extends, the brake piece is not contacted with the base and the convex ring at the same time, and the rotation of the upright post is not influenced; and, auxiliary brake sets up in radial drill's the outside, convenient maintenance and maintenance.

Drawings

FIG. 1 is a first schematic structural view of an auxiliary braking device for a column of a radial drilling machine.

Fig. 2 is a second schematic structural view of the auxiliary braking device for the column of the radial drilling machine.

Description of the main element symbols: 1-upright column, 2-rocker arm, 3-main spindle box, 4-base, 5-elastic piece, 6-limit bolt, 7-brake plate, 8-brake piece, 9-cutter placing rack, 10-connecting rod, 11-slide rod, 12-telescopic component, 13-gap, 14-rotating shaft, 15-sliding chute and 16-convex ring.

Detailed Description

The utility model provides a radial drill's stand is with supplementary arresting gear, for making the utility model discloses a purpose, technical scheme and effect are clearer, more clear and definite, and it is right that the following refers to the drawing and the embodiment of lifting the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1 and 2, an auxiliary braking device for a column of a radial drilling machine includes a base 4, a column 1, and a rocker arm 2, wherein a lower end of the column 1 is rotatably connected to the base 4 through a bearing, and the rocker arm 2 is connected to an upper end of the column 1. Wherein 2 drilling machines of rocking arm still include the lead screw subassembly that 2 reciprocates of drive rocking arm, sliding connection are at the spindle box 3 on rocking arm 2, the lead screw subassembly that 3 edge rocking arm 2 removed of drive spindle box, and it is prior art, does not describe here any more.

Specifically, a convex ring 16 is fixed at the lower end of the upright post 1 and above the base 4, and a gap 13 is left between the bottom surface of the convex ring 16 and the bottom surface of the base 4. The auxiliary braking device for the upright post 1 of the rocker arm 2 drilling machine further comprises two braking plates 7, one end of each braking plate 7 is hinged through a rotating shaft 14, the other end of each braking plate 7 is connected with an elastic piece 5, more than two braking pieces 8 are hinged to the middle parts of the braking plates 7, the cross sections of the braking pieces 8 far away from one ends of the braking plates 7 are V-shaped and are arranged in the gaps 13, the maximum thickness of each braking piece 8 is larger than the width of each gap 13, a telescopic member 12 is further arranged between the two braking plates 7, and two ends of each telescopic member 12 are hinged to the two braking plates 7 respectively; the middle parts of the two brake plates 7 are also provided with a sliding groove 15, a sliding rod 11 is arranged in the sliding groove 15, a connecting rod 10 is fixed on the rotating shaft 14, and the lower ends of the connecting rod 10 and the sliding rod 11 are fixed on the base 4.

In the above, the two braking plates 7 are combined with the elastic piece 5 to form an annular structure and are sleeved on the upright post 1, and the braking piece 8 is hinged in the middle of the braking plate 7 and can slightly swing along the hinged point. Wherein, the rotating shaft 14 is fixed on the base 4 through the connecting rod 10, and the sliding slot 15 on the braking plate 7 is connected with the sliding rod 11 fixed on the base 4 in a sliding way. When the vertical column braking device is used, the telescopic member 12 contracts, the braking plate 7 swings around the rotating shaft 14, the braking piece 8 is embedded in the gap 13, the bottom surface of the braking piece 8 is abutted to the top surface of the base 4, the top surface of the braking piece 8 is abutted to the bottom surface of the convex ring 16, the lower end of the vertical column 1 is rotatably connected to the base 4 through the bearing and cannot move up and down, the braking piece 8 is clamped between the base 4 and the convex ring 16, friction force required by rotation of the vertical column 1 is increased, and braking of the vertical column 1 is achieved. When the telescopic member 12 is extended, the brake plate 7 swings around the rotating shaft 14, so that the brake piece 8 moves away from the upright post 1, and because the cross section of one end of the brake piece 8 away from the brake plate 7 is in a V shape, the brake piece 8 is not contacted with the base 4 and the convex ring 16 simultaneously, and the rotation of the upright post 1 is not influenced.

Due to the arrangement of the sliding groove 15 and the sliding rod 11, when the friction forces of the brake pads 8 on the two brake plates 7 in the gap 13 are unequal, the brake pads with smaller friction force can swing first, and when the sliding rod 11 abuts against the end of the sliding groove 15, the brake plates 7 cannot swing continuously, so that only the other brake plate 7 can rotate, and the brake pads 8 on the two brake plates 7 are not clamped in the gap 13.

In a preferred embodiment, the telescopic member 12 is a telescopic cylinder, and two ends of the telescopic cylinder are connected to one end of the two brake plates 7 which are hinged.

In a preferred embodiment, the elastic member 5 is a tension spring.

In a preferred embodiment, the two braking plates 7 are provided with a limiting bolt 6 at one end provided with the elastic member 5, the elastic member 5 is sleeved on the middle part of the limiting bolt 6, two ends of the elastic member 5 are respectively abutted against the two braking plates 7, and the elastic member 5 is preferably a compression spring.

In a preferred embodiment, the braking plate 7 is provided with a tool placing frame 9, wherein the tool placing frame 9 is a cylinder arranged on the braking plate 7, when in use, a drill bit can be inserted into the cylinder matched with the tool placing frame, and in the processing of workpieces requiring frequent replacement of the drill bit type, the drill bit can be conveniently taken and replaced in use.

In the utility model, the convex ring 16 is fixed on the base 4 and the upright post 1, and an auxiliary braking device is arranged between the base 4 and the convex ring 16, wherein the auxiliary braking device comprises two braking plates 7 and a braking piece 8 connected to the braking plates 7, one ends of the two braking plates 7 are hinged and connected with the base 4 through a connecting rod 10, and then the braking plates 7 are controlled to swing through a telescopic component 12 between the two braking plates 7, so that the braking piece 8 is embedded in a gap 13 between the base 4 and the convex ring 16, the friction force required by the rotation of the upright post 1 is increased, and the braking of the upright post 1 is realized; through the arrangement of the sliding chute 15 and the sliding rod 11, when the telescopic member 12 extends, the brake piece 8 is not contacted with the base 4 and the convex ring 16 at the same time, and further the rotation of the upright post 1 is not influenced; and, auxiliary brake sets up in the outside of 2 drilling machines on the rocking arm, convenient maintenance and maintenance.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. An auxiliary braking device for a stand column of a radial drilling machine comprises a base, the stand column and a rocker arm, wherein the lower end of the stand column is rotatably connected to the base through a bearing, and the rocker arm is connected to the upper end of the stand column; the device is characterized in that a convex ring is fixed at the lower end of the upright column and above the base, and a gap is reserved between the bottom surface of the convex ring and the bottom surface of the base;

2. The auxiliary brake device for a column of a radial drill as claimed in claim 1, wherein the telescopic member is a telescopic cylinder.

3. The auxiliary braking device for the column of the radial drilling machine as claimed in claim 2, wherein two ends of the telescopic cylinder are connected to one end of the two braking plates which are hinged to each other.

4. The auxiliary brake apparatus for a column of a radial drill as claimed in claim 1, wherein the elastic member is a tension spring.

5. The auxiliary braking device for the column of the radial drilling machine as claimed in claim 1, wherein the two braking plates are provided with a limiting bolt at one end provided with the elastic member, the elastic member is sleeved in the middle of the limiting bolt, and two ends of the elastic member are respectively abutted against the two braking plates.

6. The auxiliary brake apparatus for a column of a radial drill as claimed in claim 5, wherein the elastic member is a compression spring.

7. The auxiliary braking device for the column of the radial drilling machine according to claim 1, wherein the braking plate is provided with a tool holder.