CN210482413U

CN210482413U - Arm of force protection device for excavator

Info

Publication number: CN210482413U
Application number: CN201921047644.0U
Authority: CN
Inventors: 肖才远
Original assignee: Shaoyang University
Current assignee: Shaoyang University
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-05-08
Anticipated expiration: 2029-07-08

Abstract

The utility model discloses a force arm protection device for excavator, the control cabin comprises a driving cab, the one end fixedly connected with base of driver's cabin, the top fixedly connected with mount of base, one side of driver's cabin is provided with the long force arm, the top of the long force arm is provided with the arm cover, the top fixedly connected with pull ring of arm cover, be provided with the steel wire on the pull ring, the one end of the long force arm is provided with the short force arm, is provided with first axis of rotation between the long force arm and the short force arm, all be provided with the rolling ball on the long force arm and the short force arm, the one end of rolling ball is provided with first branch and second branch respectively. The utility model discloses a set up plunger rod and plunger section of thick bamboo, reached the effect of the effort between the long arm of force of buffering and the short arm of force, through setting up motor and steel wire, when the long arm of force lifts up, driving motor rotates, and the steel wire is through first steel wire leading wheel pulling pull ring, and the arm cover is being pulled to the pull ring, and then the long arm of force of pulling lifts up, has reached the effect that reduces the long arm of force load.

Description

Arm of force protection device for excavator

Technical Field

The utility model relates to an engineering machine tool technical field specifically is a arm of force protection device for excavator.

Background

The excavator is a common mechanical device in engineering, and has the functions of excavating buildings, building foundations and excavating earth and stones, the normally used excavator drives the long and short force arms through a hydraulic mechanism, a buffer device is not arranged between the long and short force arms in the using process, mechanical damage is caused to the long and short force arms, the load born by the long force arms is large when the long force arms are lifted, and certain influence can be caused to the long force arms.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a arm of force protection device for excavator possesses the effort between the big or small arm of force of buffering and reduces the big arm of force and bear the weight of the advantage of load, has solved big and big great arm of force damage and has loaded great problem greatly.

In order to achieve the above object, the utility model provides a following technical scheme: a force arm protection device for an excavator comprises a cab, wherein one end of the cab is fixedly connected with a base, the top of the base is fixedly connected with a fixing frame, one side of the cab is provided with a long force arm, the top of the long force arm is provided with a arm sleeve, the top of the arm sleeve is fixedly connected with a pull ring, a steel wire is arranged on the pull ring, one end of the long force arm is provided with a short force arm, a first rotating shaft is arranged between the long force arm and the short force arm, rotating balls are arranged on the long force arm and the short force arm, one end of each rotating ball is respectively provided with a first supporting rod and a second supporting rod, a second rotating shaft is arranged between the first supporting rod and the second supporting rod, a first universal ball head is arranged on the first supporting rod, a second universal ball head is arranged on the second supporting rod, a plunger rod is arranged on the first universal ball head, and a plunger cylinder is arranged on, the top fixedly connected with steel wire wheel support of mount, be provided with first steel wire leading wheel on the steel wire wheel support, the bottom of mount is provided with the motor, the one end of motor is provided with the shaft coupling, the one end of shaft coupling is provided with the transmission shaft, fixedly connected with second steel wire leading wheel on the transmission shaft, the one end of transmission shaft is provided with the bearing, the bottom of bearing is provided with the bearing frame.

Preferably, one end of the plunger rod is provided with a sliding block, one end of the sliding block is provided with a first spring, one end of the first spring is provided with a buffer block, and a second spring is arranged between the buffer block and the plunger barrel.

Preferably, one end of the steel wire is fixedly connected with the pull ring, and the other end of the steel wire is movably connected with the second steel wire guide wheel through the first steel wire guide wheel.

Preferably, the short force arm and the long force arm rotate with each other through the first rotating shaft.

Preferably, one side of the base is provided with a hydraulic cylinder, the top of the hydraulic cylinder is provided with a hydraulic rod, the top of the hydraulic rod is provided with a protruding shaft, and the protruding shaft is fixedly connected with the long force arm.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. by arranging the plunger rod and the plunger cylinder, when the long force arm and the short force arm rotate mutually and approach each other, the first support rod and the second support rod are close to each other through a second rotating shaft, the first universal ball head drives the plunger rod, the second universal ball head drives the plunger barrel, the plunger rod drives the sliding block to compress the first spring, the first spring pushes the buffer block, the buffer block compresses the second spring, thereby slowing down the acting force between the long force arm and the short force arm and achieving the effect of buffering the acting force between the long force arm and the short force arm, when the long force arm is lifted, the driving motor rotates, the motor drives the coupler, the coupler drives the second steel wire guide wheel to rotate, the steel wire starts to be wound on the second steel wire guide wheel, the pull ring is pulled by the steel wire through the first steel wire guide wheel, the arm sleeve is pulled by the pull ring, and then the long force arm is pulled to be lifted, so that the effect of reducing the load of the long force arm is achieved.

2. The utility model discloses a plunger section of thick bamboo and plunger rod can make the effort between the long arm of force and the short arm of force reduce, can effectively avoid the great phenomenon of load to appear in the long arm of force through motor and steel wire, can effectively strengthen the guard action of the long and short arm of force through buffering and uninstallation to the effectual big and great problem of long arm of force load of long arm of force of having solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the base structure of the present invention;

fig. 3 is a schematic diagram of the plunger cylinder structure of the present invention.

In the figure: the device comprises a cab 1, a base 2, a fixed frame 3, a long force arm 4, a arm sleeve 5, a steel wire 6, a pull ring 7, a short force arm 8, a first rotating shaft 9, a first supporting rod 10, a rotating ball 11, a first universal ball head 12, a plunger rod 13, a plunger cylinder 14, a second universal ball head 15, a second rotating shaft 16, a sliding block 17, a first spring 18, a buffer block 19, a second spring 20, a steel wire wheel support 21, a first steel wire guide wheel 22, a motor 23, a coupler 24, a transmission shaft 25, a second steel wire guide wheel 26, a bearing 27, a bearing seat 28, a second supporting rod 29, a hydraulic rod 30, a hydraulic cylinder 31 and a protruding shaft 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a force arm protection device for an excavator comprises a cab 1, a base 2 is fixedly connected to one end of the cab 1, a fixing frame 3 is fixedly connected to the top of the base 2, a hydraulic cylinder 31 is arranged on one side of the base 2, a hydraulic rod 30 is arranged on the top of the hydraulic cylinder 31, a protruding shaft 32 is arranged on the top of the hydraulic rod 30, the protruding shaft 32 is fixedly connected with a long force arm 4, the hydraulic rod 30 plays a role of supporting the long force arm 4, a long force arm 4 is arranged on one side of the cab 1, a arm sleeve 5 is arranged on the top of the long force arm 4, a pull ring 7 is fixedly connected to the top of the arm sleeve 5, the arm sleeve 5 and the pull ring 7 enable the long force arm 4 to be better under the action of a pulling force, a steel wire 6 is arranged on the pull ring 7, a short force arm 8 is arranged on one end of the long force arm 4, a first rotating shaft 9 is arranged between the, the long force arm 4 and the short force arm 8 are both provided with a rotating ball 11, one end of the rotating ball 11 is respectively provided with a first supporting rod 10 and a second supporting rod 29, a second rotating shaft 16 is arranged between the first supporting rod 10 and the second supporting rod 29, the first supporting rod 10 is provided with a first universal ball head 12, the second supporting rod 29 is provided with a second universal ball head 15, the first universal ball head 12 is provided with a plunger rod 13, the second universal ball head 15 is provided with a plunger cylinder 14, one end of the plunger rod 13 is provided with a sliding block 17, one end of the sliding block 17 is provided with a first spring 18, one end of the first spring 18 is provided with a buffer block 19, a second spring 20 is arranged between the buffer block 19 and the plunger cylinder 14, the buffer block 19 and the second spring 20 enable the buffer effect to be better, when the long force arm 4 and the short force arm 8 rotate and approach each other, the first supporting rod 10 and the second supporting rod 29 approach each other through the, the first universal ball head 12 drives the plunger rod 13, the second universal ball head 15 drives the plunger barrel 14, the plunger rod 13 drives the slider 17 to compress the first spring 18, the first spring 18 pushes the buffer block 19, the buffer block 19 compresses the second spring 20, so that the acting force between the long force arm 4 and the short force arm 8 is reduced, the effect of buffering the acting force between the long force arm 4 and the short force arm 8 is achieved, the top of the fixed frame 3 is fixedly connected with the steel wire wheel support 21, the steel wire wheel support 21 is provided with the first steel wire guide wheel 22, the bottom of the fixed frame 3 is provided with the motor 23, one end of the motor 23 is provided with the coupling 24, one end of the coupling 24 is provided with the transmission shaft 25, the transmission shaft 25 is fixedly connected with the second steel wire guide wheel 26, one end of the transmission shaft 25 is provided with the bearing 27, the bottom of the bearing 27 is provided with the bearing seat 28, the shaft coupling 24 drives the second steel wire guide wheel 26 to rotate, the steel wire 6 starts to wind on the second steel wire guide wheel 26, the steel wire 6 pulls the pull ring 7 through the first steel wire guide wheel 22, the pull ring 7 pulls the arm sleeve 5, and then the long force arm 4 is pulled to be lifted, so that the effect of reducing the load of the long force arm 4 is achieved.

The working principle is as follows: when the utility model is operated, the long force arm 4 and the short force arm 8 rotate and approach each other, the first support bar 10 and the second support bar 29 approach each other through the second rotating shaft 16, the first universal ball head 12 drives the plunger rod 13, the second universal ball head 15 drives the plunger barrel 14, the plunger rod 13 drives the slide block 17 to compress the first spring 18, the first spring 18 pushes the buffer block 19, the buffer block 19 compresses the second spring 20, thereby slow down the effort between the long arm of force 4 and the short arm of force 8, long arm of force 4 lifts up, driving motor 23 rotates, motor 23 drives shaft coupling 24, shaft coupling 24 drives second steel wire leading wheel 26 and rotates, steel wire 6 begins the winding on second steel wire leading wheel 26, steel wire 6 is through first steel wire leading wheel 22 pulling pull ring 7, arm cover 5 is being drawn to pull ring 7, the pulling force of arm cover 5 is used in long arm of force 4, exert certain lifting force for long arm of force 4.

In summary, the following steps: the utility model discloses a through setting up plunger rod 13 and plunger barrel 14, when the rotation and each other approach between the long arm of force 4 and the short arm of force 8, first branch 10 and second branch 29 are close to each other through second axis of rotation 16, first universal bulb 12 drives plunger rod 13, second universal bulb 15 drives plunger barrel 14, plunger rod 13 drives slider 17 and compresses first spring 18, first spring 18 promotes buffer block 19, buffer block 19 compresses second spring 20, thereby slow down the effort between the long arm of force 4 and the short arm of force 8, the effect of buffering the effort between the long arm of force 4 and the short arm of force 8 has been reached, through setting up motor 23 and steel wire 6, when the long arm of force 4 lifts up, driving motor 23 rotates, motor 23 drives shaft coupling 24, shaft coupling 24 drives second steel wire leading wheel 26 and rotates, steel wire 6 begins to twine on second steel wire leading wheel 26, steel wire 6 pulls pull ring 7 through first steel wire leading wheel 22, the pull ring 7 pulls the arm sleeve 5, and then pulls the long force arm 4 to lift up, thereby achieving the effect of reducing the load of the long force arm 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a arm of force protection device for excavator, includes driver's cabin (1), its characterized in that: the cab is characterized in that a base (2) is fixedly connected to one end of the cab (1), a fixing frame (3) is fixedly connected to the top of the base (2), a long force arm (4) is arranged on one side of the cab (1), a arm sleeve (5) is arranged on the top of the long force arm (4), a pull ring (7) is fixedly connected to the top of the arm sleeve (5), a steel wire (6) is arranged on the pull ring (7), a short force arm (8) is arranged at one end of the long force arm (4), a first rotating shaft (9) is arranged between the long force arm (4) and the short force arm (8), rotating balls (11) are arranged on the long force arm (4) and the short force arm (8), a first supporting rod (10) and a second supporting rod (29) are respectively arranged at one end of each rotating ball (11), and a second rotating shaft (16) is arranged between the first supporting rod (10) and the, a first universal ball head (12) is arranged on the first supporting rod (10), a second universal ball head (15) is arranged on the second supporting rod (29), a plunger rod (13) is arranged on the first universal ball head (12), a plunger cylinder (14) is arranged on the second universal ball head (15), the top of the fixed frame (3) is fixedly connected with a steel wire wheel bracket (21), a first steel wire guide wheel (22) is arranged on the steel wire wheel bracket (21), a motor (23) is arranged at the bottom of the fixed frame (3), a coupler (24) is arranged at one end of the motor (23), one end of the coupler (24) is provided with a transmission shaft (25), a second steel wire guide wheel (26) is fixedly connected to the transmission shaft (25), one end of the transmission shaft (25) is provided with a bearing (27), and the bottom of the bearing (27) is provided with a bearing seat (28).

2. The arm protector for excavators according to claim 1, characterized in that: one end of the plunger rod (13) is provided with a sliding block (17), one end of the sliding block (17) is provided with a first spring (18), one end of the first spring (18) is provided with a buffer block (19), and a second spring (20) is arranged between the buffer block (19) and the plunger barrel (14).

3. The arm protector for excavators according to claim 1, characterized in that: one end of the steel wire (6) is fixedly connected with the pull ring (7), and the other end of the steel wire (6) is movably connected with the second steel wire guide wheel (26) through the first steel wire guide wheel (22).

4. The arm protector for excavators according to claim 1, characterized in that: the short force arm (8) rotates with the long force arm (4) through a first rotating shaft (9).

5. The arm protector for excavators according to claim 1, characterized in that: one side of the base (2) is provided with a hydraulic cylinder (31), the top of the hydraulic cylinder (31) is provided with a hydraulic rod (30), the top of the hydraulic rod (30) is provided with a protruding shaft (32), and the protruding shaft (32) is fixedly connected with the long force arm (4).