CN212071937U

CN212071937U - Mechanical pliers

Info

Publication number: CN212071937U
Application number: CN202020548821.XU
Authority: CN
Inventors: 胡非凡; 徐璐; 孟庆虎
Original assignee: Changzhou Qianhand Construction Machinery Co ltd
Current assignee: Changzhou Qianhand Construction Machinery Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-12-04
Anticipated expiration: 2030-04-14

Abstract

The utility model relates to a mechanical pliers, including link, No. two links, No. three links, rotation mechanism, main part and a pair of claw. The utility model has the advantages that: no. two hydraulic motor can drive No. two gear revolve after the start, because No. two gears and rack meshing, No. two gears can drive the rack and remove, because rack and main part fixed connection, No. two hydraulic motor can drive rack and main part and remove simultaneously. The sliding sleeve is sleeved on the guide rod, the second hydraulic cylinder can drive the sliding sleeve to move along the guide rod after being started, the sliding sleeve is connected with the clamp claws through the connecting rods, the sliding sleeve can drive the clamp claws to rotate, the two clamp claws simultaneously swing the second hydraulic cylinder to drive, and the clamping or opening function can be realized. The mechanical pliers can rotate in two directions and move linearly in one direction through the structure, so that the mechanical pliers are more flexible.

Description

Mechanical pliers

Technical Field

The utility model relates to a mechanical tong especially relates to a mechanical tong.

Background

In the engineering construction process, the work is often required to be carried out in narrow and complex environments. The mechanical arm of the existing engineering equipment can only perform simple actions and cannot work in a complex environment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the defects existing in the prior art are overcome, and a mechanical clamp is provided.

The utility model discloses a realize through following technical scheme:

a mechanical plier comprises a first connecting frame, a second connecting frame, a third connecting frame, a swing mechanism, a main body and a pair of plier claws, wherein the swing mechanism comprises a first hydraulic cylinder, the first connecting frame and the second connecting frame, the first connecting frame is provided with a first hinge hole, the second connecting frame is provided with a second hinge hole, the first hinge hole and the second hinge hole are connected through a first hinge shaft, the first connecting frame is provided with the first hydraulic cylinder through a hinge, the free end of the first hydraulic cylinder is connected with the second connecting frame through a hinge, the swing mechanism comprises an outer ring, an inner ring and a first hydraulic motor, the outer ring is fixedly connected with the second connecting frame, the inner ring is fixedly connected with the third connecting frame, the inner ring is sleeved inside the outer ring, a plurality of rollers are arranged between the outer ring and the inner ring, the inner side of the inner ring is provided with an inner gear ring, an output shaft of the first hydraulic motor is fixedly connected with a first gear, and, no. three link fixed connection No. two hydraulic motors, No. two hydraulic motor's output shaft No. two gears, No. two gear and rack toothing, the claw passes through hinged joint with the main part, and the claw passes through hinged joint connecting rod, and the main part is equipped with the guide arm, and the guide arm cover has the sliding sleeve, and the sliding sleeve passes through hinged joint connecting rod, and the free end of No. two pneumatic cylinders is connected to the sliding sleeve, No. two pneumatic cylinder fixed connection main parts.

According to the technical scheme, preferably, the first hinge shaft is perpendicular to an output shaft of the first hydraulic motor.

According to the above technical solution, preferably, the output shaft of the first hydraulic motor is perpendicular to the output shaft of the second hydraulic motor.

According to the above technical scheme, preferably, the third connecting frame is provided with a sliding groove, and the rack passes through the sliding groove.

The utility model has the advantages that: because pneumatic cylinder, link and No. two links pass through hinged joint each other, can drive No. two links and rotate around the articulated shaft when pneumatic cylinder starts. The first hydraulic motor can drive the first gear to rotate after being started, the first gear is meshed with the inner gear ring and drives the inner gear ring to rotate, and the inner gear ring is fixedly connected with the inner ring and the second connecting frame, so that the first hydraulic motor can drive the second connecting frame to rotate. No. two hydraulic motor can drive No. two gear revolve after the start, because No. two gears and rack meshing, No. two gears can drive the rack and remove, because rack and main part fixed connection, No. two hydraulic motor can drive rack and main part and remove simultaneously. The sliding sleeve is sleeved on the guide rod, the second hydraulic cylinder can drive the sliding sleeve to move along the guide rod after being started, the sliding sleeve is connected with the clamp claws through the connecting rods, the sliding sleeve can drive the clamp claws to rotate, the two clamp claws simultaneously swing the second hydraulic cylinder to drive, and the clamping or opening function can be realized. The mechanical pliers can rotate in two directions and move linearly in one direction through the structure, so that the mechanical pliers are more flexible.

Drawings

Fig. 1 shows a schematic front view structure diagram of an embodiment of the present invention.

Fig. 2 shows a schematic structural diagram of a swing mechanism according to an embodiment of the present invention.

Fig. 3 shows a schematic diagram of a connection structure of a second hydraulic motor according to an embodiment of the present invention.

Fig. 4 shows a schematic view of a closed structure of the jaws according to an embodiment of the present invention.

Fig. 5 shows a jaw opening structure diagram according to an embodiment of the present invention.

In the figure: 1. the hydraulic mechanism comprises a first connecting frame, a second connecting frame, a third connecting frame, a main body, a jaw 5, a first hinge shaft 6, a first hydraulic cylinder 7, an outer ring 8, an inner ring 9, a first hydraulic motor 10, a roller 11, an inner ring gear 12, a first gear 13, a second hydraulic motor 14, a second gear 15, a rack 16, a connecting rod 17, a guide rod 18, a sliding sleeve 19, a second hydraulic cylinder 20 and a sliding chute 21.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

As shown in the figures, the mechanical pliers of the utility model comprises a first connecting frame 1, a second connecting frame 2, a third connecting frame 3, a swing mechanism, a main body 4 and a pair of pliers claws 5, wherein the first connecting frame is provided with a hinge hole, the second connecting frame is provided with a hinge hole, the first hinge hole is connected with the second hinge hole through a hinge shaft 6, the first connecting frame is provided with a first hydraulic cylinder 7 through a hinge, the free end of the first hydraulic cylinder is connected with the second connecting frame through a hinge, the swing mechanism comprises an outer ring 8, an inner ring 9 and a first hydraulic motor 10, the outer ring is fixedly connected with the second connecting frame, the inner ring is fixedly connected with the third connecting frame, the inner ring is sleeved inside the outer ring, a plurality of rollers 11 are arranged between the outer ring and the inner ring, the inner ring is internally provided with an inner gear 12, an output shaft of the first hydraulic motor is fixedly connected with a first gear 13, the first gear is meshed with the, the third connecting frame is fixedly connected with a second hydraulic motor 14, an output shaft of the second hydraulic motor is connected with a second gear 15, the second gear is meshed with a rack 16, the jaw is connected with the main body through a hinge, the jaw is connected with a connecting rod 17 through a hinge, the main body is provided with a guide rod 18, the guide rod is sleeved with a sliding sleeve 19, the sliding sleeve is connected with the connecting rod through a hinge, the sliding sleeve is connected with the free end of a second hydraulic cylinder 20, and the second hydraulic cylinder is fixedly connected with the main body.

The working principle of the embodiment is as follows: because pneumatic cylinder, link and No. two links pass through hinged joint each other, can drive No. two links and rotate around the articulated shaft when pneumatic cylinder starts.

The first hydraulic motor can drive the first gear to rotate after being started, the first gear is meshed with the inner gear ring and drives the inner gear ring to rotate, and the inner gear ring is fixedly connected with the inner ring and the second connecting frame, so that the first hydraulic motor can drive the second connecting frame to rotate.

No. two hydraulic motor can drive No. two gear revolve after the start, because No. two gears and rack meshing, No. two gears can drive the rack and remove, because rack and main part fixed connection, No. two hydraulic motor can drive rack and main part and remove simultaneously.

The sliding sleeve is sleeved on the guide rod, the second hydraulic cylinder can drive the sliding sleeve to move along the guide rod after being started, the sliding sleeve is connected with the clamp claws through the connecting rods, the sliding sleeve can drive the clamp claws to rotate, the two clamp claws simultaneously swing the second hydraulic cylinder to drive, and the clamping or opening function can be realized. The mechanical pliers can rotate in two directions and move linearly in one direction through the structure, so that the mechanical pliers are more flexible.

According to the above embodiment, preferably, the first hinge shaft is perpendicular to the output shaft of the first hydraulic motor.

According to the above embodiment, preferably, the output shaft of the first hydraulic motor is perpendicular to the output shaft of the second hydraulic motor.

According to the above embodiment, preferably, the third connecting frame is provided with the sliding groove 21 through which the rack passes.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A mechanical plier, characterized in that: the hydraulic clamping device comprises a first connecting frame, a second connecting frame, a third connecting frame, a swing mechanism, a main body and a pair of clamping jaws, wherein the first connecting frame is provided with a first hinge hole, the second connecting frame is provided with a second hinge hole, the first hinge hole and the second hinge hole are connected through a first hinge shaft, the first connecting frame is provided with a first hydraulic cylinder through a hinge, the free end of the first hydraulic cylinder is connected with the second connecting frame through a hinge, the swing mechanism comprises an outer ring, an inner ring and a first hydraulic motor, the outer ring is fixedly connected with the second connecting frame, the inner ring is fixedly connected with the third connecting frame, the inner ring is sleeved inside the outer ring, a plurality of rollers are arranged between the outer ring and the inner ring, the inner side of the inner ring is provided with an inner gear ring, the output shaft of the first hydraulic motor is fixedly connected with a first gear, the first gear is meshed with the inner gear, and the third connecting frame is fixedly connected with the second hydraulic motor, no. two hydraulic motor's output shaft No. two gears, No. two gear and rack toothing, the claw passes through hinged joint with the main part, the claw passes through the hinged joint connecting rod, the main part is equipped with the guide arm, the guide arm cover has the sliding sleeve, the sliding sleeve passes through the hinged joint connecting rod, the free end of No. two pneumatic cylinders is connected to the sliding sleeve, No. two pneumatic cylinder fixed connection main parts.

2. A mechanical clamp according to claim 1, wherein: the first articulated shaft is perpendicular to the output shaft of the first hydraulic motor.

3. A mechanical clamp according to claim 1, wherein: the output shaft of the first hydraulic motor is perpendicular to the output shaft of the second hydraulic motor.

4. A mechanical clamp according to claim 1, wherein: the third connecting frame is provided with a sliding groove, and the rack penetrates through the sliding groove.