CN211361767U

CN211361767U - Hand-held type pilot hole grinding device of brake arm

Info

Publication number: CN211361767U
Application number: CN201921774626.2U
Authority: CN
Inventors: 薛志红
Original assignee: Tianjin Renbo Casting Co ltd
Current assignee: Tianjin Renbo Casting Co ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2020-08-28
Anticipated expiration: 2029-10-22

Abstract

The utility model discloses a hand-held type pilot hole grinding device of brake arm, the package rubbing board body, its characterized in that: the plate body lower extreme is provided with two assembly poles, the assembly pole lower extreme is provided with the cone of being convenient for get into the hole, still the cover has the emery wheel of polishing to the pilot hole on the assembly pole, the plate body lower extreme is provided with carries out driven drive structure to the emery wheel. And a gasket is arranged between the grinding wheel and the conical head. The grinding wheel upper end face forms a driving sleeve, a motor is arranged at the upper end of the plate body, and a main shaft of the motor drives the driving sleeve after penetrating through the plate body. The utility model discloses a motor drives two drive covers in step and rotates, and the drive cover drives the emery wheel, realizes polishing before the assembly of pilot hole, through the entering of two emery wheels of cone head being convenient for, avoids the axial of drive cover to beat through the spacing ring to guarantee driven stable, through the handle on the plate body, the operator of being convenient for holds and puts, the utility model discloses simple structure conveniently polishes.

Description

Hand-held type pilot hole grinding device of brake arm

Technical Field

The utility model belongs to the detection area after the brake arm processing, concretely relates to hand-held type pilot hole grinding device of brake arm.

Background

The brake arm is an executing component for braking the shaft parts in the engineering machinery, the brake arm needs to be connected with the driving component so as to move towards or away from the shaft parts, the brake arm is provided with a brake bush, the brake arm moves towards the shaft parts, and the bush clasps the shaft parts, so that the shaft parts are braked.

As shown in fig. 1-2, a special brake arm for engineering machinery comprises an arm body 01, wherein an arc-shaped surface 08 is formed on one side of the arm body 01, the arc-shaped surface 08 abuts against the back of a bearing bush, a hinge boss 02 and a joint boss 03 which are located on two sides are formed on the arm body 01, a connecting boss 04 is formed in the arm body 01 far away from the arc-shaped surface 08, the connecting boss 04 is used for inserting a pin shaft of a bearing bush connecting plate, a mounting hole 05I and a mounting hole 06 II are formed on two sides of the connecting boss 04, the mounting hole 05I and the mounting hole II 06 correspond to through holes in the bearing bush connecting plate, and the mounting hole 05 and the mounting hole II are fixed by a bolt-nut assembly.

The end surfaces of the hinged boss 02, the joint boss 03 and the connecting boss 04 extend out of the two end surfaces of the arm body 01, and the arm body 01, the hinged boss 02, the joint boss 03 and the connecting boss 04 are cast integrally.

The hinge joint comprises a hinge joint boss 02, a joint boss 03 and a connecting boss 04, wherein boss through holes 09 are formed in the hinge joint boss 02, the boss through holes 09 in the hinge joint boss 02 are used for installing hinge shafts, a joint installation groove 07 is formed in the side wall of the joint boss 03, the groove bottom of the joint installation groove 07 is communicated with the boss through holes 09, the joint installation groove 07 is used for placing a shaft sleeve connected with a joint in the boss through holes 09, then the joint through holes 09 and the shaft sleeve are movably connected through shafts inserted into the boss through holes 09 and the joint shaft sleeve, and the boss through holes 09 in the connecting boss 04 are used for installing and inserting pin shafts.

The axis connecting lines of the No. I mounting hole 05 and the No. II mounting hole 06 are not intersected through the axes of the boss through holes 09 in the connecting bosses 04.

The hinge boss 02 and the boss through hole 09 in the joint boss 03 are movably connected, the inner diameter of the hinge boss needs to be polished before assembly, and a special polishing device does not exist at present for polishing.

Disclosure of Invention

The utility model discloses a solve the problem that prior art exists and propose, its purpose provides the hand-held type pilot hole grinding device of brake arm.

The technical scheme of the utility model is that: hand-held type pilot hole grinding device of brake arm, including the plate body, its characterized in that: the plate body lower extreme is provided with two assembly poles, the assembly pole lower extreme is provided with the cone of being convenient for get into the hole, still the cover has the emery wheel of polishing to the pilot hole on the assembly pole, the plate body lower extreme is provided with carries out driven drive structure to the emery wheel.

Furthermore, a gasket is arranged between the grinding wheel and the conical head.

Furthermore, a driving sleeve is formed on the upper end face of the grinding wheel, a motor is arranged at the upper end of the plate body, and a main shaft of the motor drives the driving sleeve after penetrating through the plate body.

Furthermore, the assembly rod is sleeved with a limiting ring, the lower end of the limiting ring is in contact with the driving sleeve, and the upper end of the limiting ring is in contact with the bottom surface of the plate body.

Further, the extension line of the conical head intersects with the bottom surface of the grinding wheel.

Furthermore, a handle for hand holding is arranged on the plate body.

Furthermore, the driving mode between the main shaft and the driving sleeve is gear driving or belt driving.

Furthermore, a driven gear is arranged outside the driving sleeve, a driving gear is arranged outside the main shaft, and the driving gear and the driven gear are meshed.

Furthermore, a driven pulley is arranged outside the driving sleeve, a driving pulley is arranged outside the main shaft, and driving belts are sleeved outside the driven pulley and the driving pulley.

The utility model discloses a motor drives two drive covers in step and rotates, and the drive cover drives the emery wheel, realizes polishing before the assembly of pilot hole, through the entering of two emery wheels of cone head being convenient for, avoids the axial of drive cover to beat through the spacing ring to guarantee driven stable, through the handle on the plate body, the operator of being convenient for holds and puts, the utility model discloses simple structure conveniently polishes.

Drawings

Fig. 1 is a front perspective view of a brake arm of the present invention;

FIG. 2 is a top perspective view of the brake arm of the present invention;

FIG. 3 is a schematic assembly view of the present invention;

fig. 4 is an assembly diagram of a driving method of the present invention;

FIG. 5 is an assembled view of another drive of the present invention;

wherein:

01 arm body 02 hinge joint boss

03 joint boss 04 connecting boss

No. 05 No. 06 No. II mounting hole of No. I mounting hole

07 joint mounting groove 08 arc surface

09 boss through hole

1 plate body 2 handle

3 electric machine 4 sleeve

5 main shaft 6 assembling rod

7 grinding wheel 8 conical head

9 spacer 10 driving sleeve

11 driven gear of spacing ring 12

13 driving gear 14 driven pulley

Drive pulley 16 drives the belt 15.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples:

as shown in fig. 1-5, hand-held type pilot hole grinding device of brake arm, including

plate body

1, 1 lower extreme of plate body is provided with two

assembly poles

6, 6 lower extremes of assembly pole are provided with the cone 8 of being convenient for get into the hole, still the cover has the emery wheel 7 of polishing to the pilot hole on the

assembly pole

6, 1 lower extreme of plate body is provided with carries out driven drive structure to emery wheel 7.

And a gasket 9 is arranged between the grinding wheel 7 and the conical head 8.

The upper end face of the grinding wheel 7 forms a driving sleeve 10, the upper end of the plate body 1 is provided with a motor 3, and a main shaft 5 of the motor 3 drives the driving sleeve 10 after penetrating through the plate body 1.

The assembly rod 6 is further sleeved with a limiting ring 11, the lower end of the limiting ring 11 is in contact with the driving sleeve 10, and the upper end of the limiting ring 11 is in contact with the bottom surface of the plate body 1.

The extension line of the conical head 8 intersects with the bottom surface of the grinding wheel 7.

The plate body 1 is provided with a handle 2 for hand holding.

The driving mode between the main shaft 5 and the driving sleeve 10 is gear driving or belt driving.

A driven gear 12 is arranged outside the driving sleeve 10, a driving gear 13 is arranged outside the main shaft 5, and the driving gear 13 and the driven gear 12 are meshed. As shown in fig. 4.

The grinding wheel 7 and the driving sleeve 10 are of an integral structure.

Yet another embodiment

Hand-held type pilot hole grinding device of brake arm, the package

rubbing board body

1, 1 lower extreme of plate body is provided with two

assembly poles

6, 6 lower extremes of assembly pole are provided with the cone 8 of being convenient for get into the hole, it has emery wheel 7 of polishing to carry out the pilot hole still to overlap on the

assembly pole

And a gasket 9 is arranged between the grinding wheel 7 and the conical head 8.

The plate body 1 is provided with a handle 2 for hand holding.

A driven pulley 14 is arranged outside the driving sleeve 10, a driving pulley 15 is arranged outside the main shaft 5, and a driving belt 16 is sleeved outside the driven pulley 14 and the driving pulley 15. As shown in fig. 5.

Preferably, the drive belt 16 is a toothed belt.

The fixing mode between the assembling rod 6 and the conical head 8 has two modes:

firstly, the lower end of the assembling rod 6 forms an external thread, the upper end of the conical head 8 forms a threaded hole, and the conical head 8 is screwed on the external thread.

Secondly, a threaded hole is formed at the lower end of the assembling rod 6, a through hole is formed in the conical head 8, and a bolt penetrates through the through hole from bottom to top and is screwed into the threaded hole, so that the assembling rod 6 and the conical head 8 are fixed.

Further, a sleeve 4 or a bearing is embedded in the plate body 1, and the main shaft 5 penetrates through the sleeve 4 or the bearing.

The conical head 8 is in a shape with a large upper part and a small lower part, and the outer wall of the grinding wheel 7 is larger than the large-diameter end of the conical head 8.

The grinding wheel 7 is a diamond grinding wheel.

The working process of the utility model is as follows:

the brake arm is squared, the operator holds the handle 2 with his hand, and aligns the two conical heads 8 with the two assembly holes, and the motor 3 is not started until the conical heads pass through the assembly holes and the grinding wheel 7 contacts the inner walls of the assembly holes.

Starting motor 3, main shaft 5 of motor 3 drives two emery wheels 7 synchronous rotation through the drive to driving sleeve 10, utilizes emery wheel 7 to polish the pilot hole inner wall, and the back is accomplished, stops motor 3, upwards takes out.

Claims

1. Hand-held type pilot hole grinding device of brake arm, including plate body (1), its characterized in that: the plate body (1) lower extreme is provided with two assembly rod (6), assembly rod (6) lower extreme is provided with cone (8) convenient to get into the hole, it has emery wheel (7) of polishing to the pilot hole still to overlap on assembly rod (6), plate body (1) lower extreme is provided with carries out driven drive structure to emery wheel (7).

2. The hand held assembly hole sanding device of a brake arm of claim 1, wherein: and a gasket (9) is arranged between the grinding wheel (7) and the conical head (8).

3. The hand held assembly hole sanding device of a brake arm of claim 2, wherein: the grinding wheel (7) upper end face forms driving sleeve (10), the plate body (1) upper end is provided with motor (3), and main shaft (5) of motor (3) pass plate body (1) back and drive driving sleeve (10).

4. A hand held assembly hole sanding device for a brake arm as defined in claim 3, wherein: the assembly rod (6) is further sleeved with a limiting ring (11), the lower end of the limiting ring (11) is in contact with the driving sleeve (10), and the upper end of the limiting ring (11) is in contact with the bottom surface of the plate body (1).

5. The hand held assembly hole sanding device of a brake arm of claim 4, wherein: the extension line of the conical head (8) is intersected with the bottom surface of the grinding wheel (7).

6. The hand held assembly hole sanding device of a brake arm of claim 5, wherein: the plate body (1) is provided with a handheld handle (2).

7. The hand held assembly hole sanding device of a brake arm of claim 6, wherein: the driving mode between the main shaft (5) and the driving sleeve (10) is gear driving or belt driving.

8. The hand held assembly hole sanding device of a brake arm of claim 7, wherein: the driving mechanism is characterized in that a driven gear (12) is arranged outside the driving sleeve (10), a driving gear (13) is arranged outside the main shaft (5), and the driving gear (13) and the driven gear (12) are meshed.

9. The hand held assembly hole sanding device of a brake arm of claim 7, wherein: a driven belt wheel (14) is arranged outside the driving sleeve (10), a driving belt wheel (15) is arranged outside the main shaft (5), and a driving belt (16) is sleeved outside the driven belt wheel (14) and the driving belt wheel (15).