CN217264306U

CN217264306U - Grab bucket for grab pipe and mechanical arm comprising grab bucket for grab pipe

Info

Publication number: CN217264306U
Application number: CN202220254290.2U
Authority: CN
Inventors: 吴昊; 王正勇; 颜海; 葛俊敏; 刘鸿斌; 韩应钦
Original assignee: Giant Hydraulic Tech Co ltd; Inner Mongolia Dongmeng Industry And Trade Co ltd; Inner Mongolia Zhongce Huigu Technology Co ltd
Current assignee: Giant Hydraulic Tech Co ltd; Inner Mongolia Dongmeng Industry And Trade Co ltd; Inner Mongolia Zhongce Huigu Technology Co ltd
Priority date: 2022-02-08
Filing date: 2022-02-08
Publication date: 2022-08-23
Anticipated expiration: 2032-02-08

Abstract

The utility model discloses a grab bucket for grab pipe and including the arm of grab bucket for grab pipe. The grab bucket for the grab pipe comprises a grab bucket connector (16), a grab bucket oil cylinder (21), a rocker I (22), a left claw (18) and a right claw (19); the cylinder end of the grab bucket oil cylinder (21) is connected with the right claw (19) and the rocker I (22), the rod end of the grab bucket oil cylinder (21) is connected with the left claw (18), the two ends of the rocker I (22) are respectively connected with the left claw (18) and the right claw (19) to form the left claw (18), and the right claw (19) is connected with the grab bucket connector (16). The utility model discloses grab bucket for grab pipe can the convenient and reliable grab clamp steel pipe, avoids appearing the potential safety hazard in the installation.

Description

Grab bucket for grab pipe and mechanical arm comprising grab bucket for grab pipe

Technical Field

The utility model relates to a grab bucket for grab pipe reaches the arm including grab bucket for grab pipe, its mainly used occasion in colliery in the pit.

Background

The water and gas pipelines in the underground coal mine tunnel are usually arranged on two sides of the tunnel, and due to the narrow tunnel, the construction method for installing the pipelines in the tunnel at present basically adopts a manual mode that a scaffold is matched with a forklift and a hand-pulling hoist to complete the hoisting and installation of the pipelines on two sides of the tunnel. The disadvantages of the above method are: firstly, the lifting of the steel pipe is not completely restricted in the installation process, and a large potential safety hazard exists when the large-drift-diameter thick-wall metal pipe is installed in an inclined or vertical state; secondly, the existing installation equipment depends on manual operation during transition, and the working efficiency is low.

Disclosure of Invention

The utility model aims to solve the problem that a grab bucket for grab pipe is provided, it can grab and press from both sides the steel pipe convenient and reliable, avoids appearing the potential safety hazard in the installation. And simultaneously, the utility model provides an including grabbing arm of pipe with grab bucket, it has improved the work efficiency of installation pipeline.

The utility model relates to a grab bucket for grab pipes, which comprises a grab bucket connector, a grab bucket oil cylinder, a rocker, a left claw and a right claw; the grab bucket oil cylinder is connected with the left claw, the right claw and the rocker, the left claw is connected with the rocker, and the left claw and the right claw are connected with the grab bucket connector.

Furthermore, the cylinder end of the grab bucket oil cylinder is connected with the right claw and the rocker, the rod end of the grab bucket oil cylinder is connected with the left claw, and two ends of the rocker are respectively connected with the left claw and the right claw.

Furthermore, the rocker comprises a front rocker piece and a rear rocker piece, the grab bucket connector is hollow, and the left claw and the right claw are arranged on the inner sides of a front panel and a rear panel of the grab bucket connector and are connected with the grab bucket connector through a left rotary pin shaft and a right rotary pin shaft; the rocker front and rear rocker pieces are respectively arranged at the outer sides of the upper ends of the left claw and the right claw; the left rocker pin shaft penetrates through the lower end of the rocker and is connected with the left claw, the right rocker pin shaft penetrates through the upper end of the rocker and is connected with the right claw and a cylinder barrel of the grab bucket oil cylinder, and the cylinder rod pin shaft penetrates through the left claw and is connected with a piston rod of the grab bucket oil cylinder.

Furthermore, the inner sides of the left claw and the right claw are provided with certain radian and sawtooth structures, and the tooth parts of the left claw and the right claw are symmetrical left and right.

Furthermore, the tooth parts on the inner sides of the left claw and the right claw are formed by sequentially connecting a plurality of sections of concave and convex line sections.

Further, the included angle of the line segments is less than 90 °.

Further, the distance between the left claw and the right claw gradually decreases from the middle to the upper end and the lower end.

Furthermore, the grab bucket connector is in an inverted concave shape and is an integral body consisting of a front panel, a rear panel and an upper plate.

The utility model relates to an arm comprising a grab bucket for grabbing a pipe, which comprises a rotary platform, a big arm, two arms, a big arm oil cylinder, two arm oil cylinders, two arms, a rotary hammer oil cylinder, a rocker, a connecting rod, a universal quick change and a grab bucket, wherein the rotary platform is arranged on a rotary support of a repair machine and is connected with the big arm through a big arm root hinge pin shaft, and two ends of the big arm oil cylinder are respectively connected with the rotary platform and the big arm through pin shafts; the two arms are connected with the big arm through two arm root hinge pin shafts, and two ends of the two-arm oil cylinder are respectively connected with the big arm and the two arms through pin shafts; one end of the rocker is connected with the two arms through a rocker pin shaft, the other end of the rocker is connected with the connecting rod through a rocker pin shaft, and two ends of the rotary hammer oil cylinder are respectively connected with the two arms, the rocker and the connecting rod; the upper part of the universal quick change is respectively connected with the connecting rod and the two arms through two pin shafts, and the lower part of the universal quick change is connected with the grab bucket through a grab bucket pin shaft.

The utility model relates to a grab bucket for grab pipe's advantage is: when a piston rod of the grab bucket oil cylinder extends out, the piston rod pushes a cylinder rod pin shaft to move outwards and drive a left claw to rotate anticlockwise by taking a left rotary pin shaft as a center, meanwhile, the left claw drives the lower part of a rocker to rotate clockwise through a left rocker pin shaft and pushes the upper part of the rocker to move outwards and drives a right claw to move clockwise by taking a right rotary pin shaft as a center, and therefore the two clamping jaws are closed; similarly, when the piston rod of the grab bucket oil cylinder extends and retracts, the two clamping jaws can be opened; and secondly, the claw parts of the left clamping jaw and the right clamping jaw are reasonably designed, so that the steel pipe can be tightly grasped, and potential safety hazards in the installation process are avoided. And simultaneously, the utility model relates to an in the arm of grabbing bucket for the pipe can stretch into colliery tunnel in the pit, realize the installation of pipeline through the grab bucket to work efficiency has been improved.

Drawings

Fig. 1 is a perspective view of a grab bucket for grabbing a pipe according to the present invention;

fig. 2 is a schematic structural view of a grab bucket for grabbing a pipe according to the present invention;

fig. 3 is a schematic structural view of the robot arm of the present invention;

FIG. 4 is a schematic view of the working range of the robot arm of the present invention;

fig. 5 is a control schematic diagram of the robot arm of the present invention.

Detailed Description

Example 1

As shown in fig. 1 and 2, the grab bucket for grabbing pipe of the present invention includes a grab bucket connector 16, a grab bucket cylinder 21, a rocker 22, a left claw 18 and a right claw 19; the grab bucket oil cylinder 21 is connected with the left claw 18, the right claw 19 and the rocker 22, the left claw 18 is connected with the rocker 22, and the left claw 18 and the right claw 19 are connected with the grab bucket connector 16.

When the grab bucket oil cylinder 21 works, the left claw 18 is driven to rotate, and meanwhile, the right claw 19 is driven to rotate through the rocker 22; the steel pipe is gripped by closing the left clamping jaw and the right clamping jaw, and the steel pipe is loosened by opening the two clamping jaws.

Example 2

As can be seen from fig. 1 and 2, the utility model relates to a grab bucket for grab pipe: the cylinder end of the grab bucket oil cylinder 21 is connected with the right claw 19 and the rocker 22, the rod end of the grab bucket oil cylinder 21 is connected with the left claw 18, and two ends of the rocker 22 are respectively connected with the left claw 18 and the right claw 19.

When the grab bucket oil cylinder 21 works, the rod end of the grab bucket oil cylinder drives the left claw 18 to rotate, and meanwhile, the left claw 18 drives the right claw to rotate through the rocker 22, so that the two clamping jaws are closed and opened.

Example 3

As can be seen from fig. 1 and 2, the utility model relates to a grab bucket for grab pipe: the rocker 22 comprises a front rocker piece and a rear rocker piece, the grab bucket connector 16 is hollow, and the left claw 18 and the right claw 19 are arranged on the inner sides of the front panel and the rear panel of the grab bucket connector 16 and are connected with the grab bucket connector 16 through the left rotary pin shaft 20 and the right rotary pin shaft 20; the rocker 22 is arranged at the outer side of the upper ends of the left claw 18 and the right claw 19 respectively; the left rocker pin shaft 17 penetrates through the lower end of the rocker 22 to be connected with the left claw 18, the right rocker pin shaft 17 penetrates through the upper end of the rocker 22 to be connected with the right claw 19 and the cylinder barrel of the grab bucket oil cylinder 21, and the cylinder rod pin shaft 23 penetrates through the left claw 18 to be connected with the piston rod of the grab bucket oil cylinder 21.

When a piston rod of the grab bucket oil cylinder 21 extends out, the piston rod pushes a cylinder rod pin shaft 23 to move outwards and drive the left claw 18 to rotate anticlockwise by taking the left rotary pin shaft 20 as a center, meanwhile, the left claw drives the lower part of the rocker 22 to rotate clockwise through the left rocker pin shaft 17 and pushes the upper part of the rocker 22 to move outwards and drives the right claw 19 to move clockwise by taking the right rotary pin shaft 20 as a center, and therefore, the two clamping jaws are closed; in the same way, when the piston rod of the grab bucket oil cylinder 21 extends and retracts, the opening of the two clamping jaws can be realized.

Example 4

As can be seen from fig. 1 and 2, the utility model relates to a grab bucket for grab pipe: the inner sides of the left claw 18 and the right claw 19 are provided with certain radian and sawtooth structures, and the tooth parts of the left claw and the right claw are symmetrical left and right.

The inner sides of the left claw 18 and the right claw 19 are provided with sawteeth, so that steel pipes with different diameters can be clamped conveniently, and the steel pipes cannot fall off in the clamping and transporting process.

Example 5

As can be seen from fig. 1 and 2, the utility model relates to a grab bucket for grab pipe: the tooth parts at the inner sides of the left claw 18 and the right claw 19 are formed by sequentially connecting a plurality of sections of concave and convex line sections.

The concave and convex line segments in the tooth parts on the inner sides of the claws form included angles, so that the excircle of the steel pipe can be firmly clamped, and the steel pipe is prevented from falling in the transportation process.

Example 6

As can be seen from fig. 1 and 2, the utility model relates to a grab bucket for grab pipe: the included angle of the line segments is less than 90 deg.

The included angle of the line segment is smaller than 90 degrees, so that the clamping jaw can firmly clamp the excircle of the steel pipe, and the steel pipe is prevented from falling off in the transportation process due to shaking.

Example 7

As can be seen from fig. 1 and 2, the utility model relates to a grab bucket for grab pipe: the distance between the left claw 18 and the right claw 19 is gradually reduced from the middle to the upper end and the lower end.

The change of the distance between the left claw 18 and the right claw 19 can ensure that steel pipes with different pipe diameters can be clamped, and the working range is expanded.

Example 8

As can be seen from fig. 1 and 2, the utility model relates to a grab bucket for grab pipe: the grab bucket connector 16 is in an inverted concave shape and is an integral body consisting of a front panel, a rear panel and an upper plate.

The grab bucket connector 16 is in an inverted concave shape, so that the driving mechanism is conveniently arranged in the grab bucket connector 16, and the driving mechanism is also conveniently connected with the left clamping jaw and the right clamping jaw.

Example 9

As can be seen from fig. 3, the mechanical arm comprising the grab bucket for grabbing the pipe comprises a rotary platform 2, a large arm 4, a second arm 8, a large arm oil cylinder 5, a second arm oil cylinder 6, a second arm 8, a rotary hammer oil cylinder 9, a rocker 10, a connecting rod 12, a universal quick change 13 and a grab bucket 14, wherein the rotary platform 2 is installed on a rotary support of the repairing machine 1 and is connected with the large arm 4 through a large arm root hinge pin shaft 3, and two ends of the large arm oil cylinder 5 are respectively connected with the rotary platform 2 and the large arm 4 through pin shafts; the two arms 8 are connected with the large arm 4 through two arm root hinge pin shafts 7, and two ends of the two arm oil cylinder 6 are respectively connected with the large arm 4 and the two arms 8 through pin shafts; one end of a rocker 10 is connected with the two arms 8 through a rocker pin shaft 11, the other end of the rocker 10 is connected with a connecting rod 12 through a rocker pin shaft 11, and two ends of a rotary hammer oil cylinder 9 are respectively connected with the two arms 8, the rocker 10 and the connecting rod 12; the upper part of the universal quick change 13 is respectively connected with the connecting rod 12 and the two arms 8 through two pin shafts, and the lower part of the universal quick change 13 is connected with the grab bucket 14 through a grab bucket pin shaft 15.

In the working process of the mechanical arm, the large arm oil cylinder 5 controls the large arm 4 to swing, and the two-arm oil cylinder 6 controls the two-arm 8 to swing; the rotary hammer oil cylinder 9 controls the rocker 10 and the connecting rod 12 to swing so as to drive the grab bucket 14 to swing, the grab bucket oil cylinder 21 controls the left claw and the right claw to open and close, so that the grab bucket 14 can grab a steel pipe, and the working range is shown in fig. 4. The utility model discloses the arm passes through rotary platform to be installed on the slewing bearing of tunnel repairing machine, can do 360 slewing motion. Meanwhile, the universal quick change 13 can rotate by +/-360 degrees and swing by +/-40 degrees left and right, two degrees of freedom are increased, and the operation range of the accessory is expanded. The four-bar linkage at the tail end of the working arm group can be connected with a universal quick change, accessories such as grab buckets and the like can be quickly changed, and multifunctional operation is realized.

The utility model discloses the arm can control through remote controller control panel and grab opening of tub arm stop, rotary platform's gyration, big arm two arms and the swing of rocker, the slope of universal quick change and the action such as opening and shutting of rotation and grab bucket, and remote controller control panel is as shown in figure 5. The utility model discloses a hydraulic system adjustment pressure can make the steel pipe can not damage at the in-process of snatching.

The utility model discloses the arm is by the hydraulic drive gyration, can realize snatching and the installation work to the steel pipe of different diameters, can accomplish in the pit coal mine tunnel pipeline snatch and construction installation, has improved the efficiency and the construction safety nature of pipeline installation in the tunnel.

The utility model discloses the arm collects bionic technique, mechatronic liquid integration technique as an organic whole, has environmental suitability adaptability, and the working range is wide, the flexible operation is convenient and the safe and reliable's advantage of work.

Claims

1. The utility model provides a grab bucket for grab pipe which characterized by: the hydraulic grab bucket comprises a grab bucket connector (16), a grab bucket oil cylinder (21), a rocker I (22), a left claw (18) and a right claw (19); the cylinder end of the grab bucket oil cylinder (21) is connected with the right claw (19) and the rocker I (22), the rod end of the grab bucket oil cylinder (21) is connected with the left claw (18), the two ends of the rocker I (22) are respectively connected with the left claw (18), the right claw (19) and the left claw (18), and the right claw (19) is connected with the grab bucket connector (16); the rocker I (22) comprises a front rocker piece and a rear rocker piece, the grab bucket connector (16) is hollow, and a left claw (18) and a right claw (19) are arranged on the inner sides of a front panel and a rear panel of the grab bucket connector (16) and are connected with the grab bucket connector (16) through a left rotary pin shaft and a right rotary pin shaft (20); the front rocker piece and the rear rocker piece of the rocker I (22) are respectively arranged at the outer sides of the upper ends of the left claw (18) and the right claw (19); a left rocker pin shaft I (17) penetrates through the lower end of a rocker I (22) to be connected with a left claw (18), a right rocker pin shaft I (17) penetrates through the upper end of the rocker I (22) to be connected with a right claw (19) and a cylinder barrel of a grab bucket oil cylinder (21), and a cylinder rod pin shaft (23) penetrates through the left claw (18) to be connected with a piston rod of the grab bucket oil cylinder (21).

2. The grab bucket for grabbing tubes of claim 1, wherein: the inner sides of the left claw (18) and the right claw (19) are provided with certain radian and sawtooth structures, and the tooth parts of the left claw and the right claw are symmetrical left and right.

3. The grab bucket for grabbing tubes of claim 1, wherein: the tooth parts at the inner sides of the left claw (18) and the right claw (19) are formed by sequentially connecting a plurality of sections of concave and convex line sections.

4. The grab bucket for grabbing tubes of claim 1, wherein: the included angle of the line segments is less than 90 deg.

5. The grab bucket for grabbing the pipe as claimed in claim 1, wherein: the distance between the left claw (18) and the right claw (19) is gradually reduced from the middle to the upper end and the lower end.

6. The grab bucket for grabbing the pipe as claimed in claim 1, wherein: the grab bucket connector (16) is in an inverted concave shape and is an integral body consisting of a front panel, a rear panel and an upper plate.

7. The utility model provides an including arm of grabbing grab bucket for pipe, characterized by: the pipe grabbing grab bucket comprises a rotary platform (2), a large arm (4), a two-arm (8), a large arm oil cylinder (5), a two-arm oil cylinder (6), a rotary hammer oil cylinder (9), a rocker II (10), a connecting rod (12), a universal quick change (13) and the grab bucket (14) for grabbing pipes according to any one of claims 1 to 6, wherein the rotary platform (2) is installed on a rotary support of a repairing machine (1) and is connected with the large arm (4) through a large arm root hinge pin shaft (3), and two ends of the large arm oil cylinder (5) are respectively connected with the rotary platform (2) and the large arm (4) through pin shafts; the two arms (8) are connected with the large arm (4) through two arm root hinge pin shafts (7), and two ends of the two-arm oil cylinder (6) are respectively connected with the large arm (4) and the two arms (8) through pin shafts; one end of a rocker II (10) is connected with the two arms (8) through a rocker pin shaft II (11), the other end of the rocker II (10) is connected with a connecting rod (12) through the rocker pin shaft II (11), and two ends of a rotary hammer oil cylinder (9) are respectively connected with the two arms (8), the rocker II (10) and the connecting rod (12); the upper part of the universal quick change mechanism (13) is respectively connected with the connecting rod (12) and the two arms (8) through two pin shafts, and the lower part of the universal quick change mechanism (13) is connected with the grab bucket (14) through a grab bucket pin shaft (15).