Experimental device for upper structure of insulated boom truck

Abstract

The utility model belongs to the field of insulated boom trucks, and particularly relates to an experimental device for an upper structure of an insulated boom truck, which comprises a base, and the upper structure is rotatably connected above the base; through the structural design that the two ends of the steel wire rope are fixedly connected with the interior of the insulating arm and the surface of the fixing plate respectively and the surface of the steel wire rope is tightly attached to the surfaces of the movable pulley and the fixed pulley, synchronous stretching of the first-section metal arm, the second-section metal arm and the third-section insulating arm is achieved. The hydraulic rod controls the whole telescopic arm to lift and is used for adjusting the angle between the telescopic arm and the test platform, so that the adaptability of the device is improved, the swing arm is unfolded, the swing arm is fixed through the connecting rod, and the whole test platform is slowly lifted up until the universal wheels leave the ground through the structural design that the screw rod is rotated and the support legs are extended; the test platform serves as a supporting structure of the whole set of equipment, the functions of stretching, lifting and leveling of the telescopic arm and the working bucket and safe proceeding of various tests are guaranteed, and the safety and adaptability of the device are improved.

Description

Technical Field

[0001] The utility model relates to the field of insulating boom trucks, in particular to an experimental device for the upper mounting structure of an insulating boom truck. Background Art

[0002] The insulating boom and the working bucket are the core components of an insulating boom truck.

[0003] Therefore, domestic tests only stay at the vehicle performance test level, lacking special test prototypes for the upper mounting structure and the like, and lacking experimental devices for the upper mounting structure.

[0004] Therefore, an experimental device for the upper mounting structure of an insulating boom truck is proposed to solve the above problems. Content of the Utility Model

[0005] In order to make up for the problems in the prior art, the utility model proposes an experimental device for the upper mounting structure of an insulating boom truck.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the experimental device for the upper mounting structure of the insulating boom truck described in the utility model includes a base, an upper mounting structure is rotatably connected above the base, and a test platform is fixedly connected to the bottom of the base;

[0007] The upper mounting structure mainly includes a telescopic boom and a working bucket. A connecting head is rotatably connected to the front end of the telescopic boom. A working bucket is fixedly connected to one side of the connecting head. A part of the hydraulic control system is fixedly connected to the surface of the telescopic boom;

[0008] The test platform includes a chassis. A telescopic boom support is fixedly connected to the surface of the chassis. A swing arm is rotatably connected to the side of the chassis. A screw leg is in threaded fit at a position near the bottom of one end of the swing arm. Universal wheels are rotatably connected to positions near the four corners of the bottom surface of the chassis. An arm telescopic mechanism is arranged inside the telescopic boom. A part of the oil cylinder hydraulic control system is fixedly connected inside the arm telescopic mechanism. The top of the hydraulic control system is fixedly connected to the outer wall of a movable pulley. A fixed pulley is fixedly connected inside the arm telescopic mechanism. A fixed plate is fixedly connected inside the arm telescopic mechanism.

[0009] Preferably, one end of a steel wire rope is fixedly connected inside the telescopic boom, the other end of the steel wire rope is fixedly connected to the surface of the fixed plate, and the surface of the steel wire rope is closely attached to the surfaces of the movable pulley and the fixed pulley.

[0010] Preferably, the telescopic boom includes a first metal arm, a second metal arm is slidably sleeved inside the first metal arm, and an insulating arm is slidably sleeved inside the second metal arm.

[0011] Preferably, the hydraulic control system includes a plurality of hydraulic rods and a remote controller. Buttons are provided on the surface of the remote controller, and the number of the buttons is set in one-to-one correspondence with the number of the hydraulic rods.

[0012] Preferably, both ends of two of the hydraulic rods are respectively rotatably connected to the surfaces of the base and the telescopic boom, and both ends of the other hydraulic rod are respectively rotatably connected to the surfaces of the work bucket and the telescopic boom.

[0013] Preferably, one end of a connecting rod is snap-fitted on the surface of the chassis, and the other end of the connecting rod is snap-fitted on the side surface of the swing arm.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. Through the structural design that both ends of the steel wire rope are respectively fixedly connected to the inside of the insulating arm and the surface of the fixing plate, and the surface of the steel wire rope is closely attached to the surfaces of the movable pulley and the fixed pulley, the synchronous telescoping of the first metal arm, the second metal arm and the third insulating arm is realized. The hydraulic rods control the lifting of the entire telescopic arm, the angle adjustment between the telescopic arm and the test platform, and the leveling of the work bucket, improving the adaptability of the device.

[0016] 2. Through the structural design of unfolding the swing arm, fixing the swing arm through the connecting rod, and slowly lifting the entire test platform by extending the rotating screw leg until the universal wheels leave the ground, the test platform is used as the support structure of the entire set of equipment, realizing the functions of ensuring the telescoping, lifting, leveling of the telescopic arm and the work bucket, and the safety of various tests, and improving the safety and adaptability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a schematic front view structure diagram of the present utility model;

[0019] Figure 2 It is a schematic connecting rod structure diagram of the present utility model;

[0020] Figure 3 It is a schematic swing arm structure diagram of the present utility model;

[0021] Figure 4 It is a schematic insulating arm structure diagram of the present utility model;

[0022] Figure 5This is a schematic diagram of the remote control structure of the present utility model.

[0023] In the figure: 1, base; 2, telescopic boom; 21, first metal arm; 22, second metal arm; 23, insulating arm; 3, connector; 4, working bucket; 5, hydraulic control system; 51, hydraulic rod; 52, remote control; 53, button; 6, chassis; 7, telescopic boom support; 8, swing arm; 9, screw leg; 10, universal wheel; 11, boom telescopic mechanism; 12, movable pulley; 13, steel wire rope; 14, fixed pulley; 15, fixing plate; 16, connecting rod. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1 - 5 As shown, the experimental device of the upper mounting structure of the insulating bucket boom truck includes a base 1, and an upper mounting structure is rotatably connected above the base 1, and a test platform is fixedly connected to the bottom of the base 1;

[0026] The upper mounting structure mainly includes a telescopic boom 2 and a working bucket 4. A connector 3 is rotatably connected to the front end of the telescopic boom 2, and a working bucket 4 is fixedly connected to one side of the connector 3. A part of the hydraulic control system 5 is fixedly connected to the surface of the telescopic boom 2;

[0027] The test platform includes a chassis 6. A telescopic boom support 7 is fixedly connected to the surface of the chassis 6. A swing arm 8 is rotatably connected to the side of the chassis 6. A screw leg 9 is in threaded fit at a position near the bottom of one end of the swing arm 8. Universal wheels 10 are rotatably connected to positions near the four corners of the bottom surface of the chassis 6. An arm telescopic mechanism 11 is arranged inside the telescopic boom 2. A part of the oil cylinder hydraulic control system 5 is fixedly connected inside the arm telescopic mechanism 11. The top of the hydraulic control system 5 is fixedly connected to the outer wall of the movable pulley 12. A fixed pulley 14 is fixedly connected inside the arm telescopic mechanism 11. A fixing plate 15 is fixedly connected inside the arm telescopic mechanism 11;

[0028] Furthermore, one end of a steel wire rope 13 is fixedly connected inside the telescopic boom 2, the other end of the steel wire rope 13 is fixedly connected to the surface of the fixing plate 15, and the surface of the steel wire rope 13 is closely attached to the surfaces of the movable pulley 12 and the fixed pulley 14;

[0029] During operation, the two ends of the wire rope 13 are fixedly connected to the inside of the insulating arm 23 and the surface of the fixing plate 15 respectively. With the structural design that the surface of the wire rope 13 is closely attached to the surfaces of the movable pulley 12 and the fixed pulley 14, it is responsible for the synchronous telescoping of the first metal arm 21, the second metal arm 22 and the insulating arm 23.

[0030] Further, the telescopic boom 2 includes a first metal arm 21. The second metal arm 22 is slidably sleeved inside the first metal arm 21, and the insulating arm 23 is slidably sleeved inside the second metal arm 22.

[0031] During operation, with the structural design that the second metal arm 22 is slidably sleeved inside the first metal arm 21 and the insulating arm 23 is slidably sleeved inside the second metal arm 22, it is convenient to store and extend the working range of each metal wall adjustment device.

[0032] Further, the hydraulic control system 5 includes a number of hydraulic rods 51 and a remote controller 52. Buttons 53 are arranged on the surface of the remote controller 52, and the number of the buttons 53 is set in one-to-one correspondence with the number of the hydraulic rods 51.

[0033] During operation, with the structural design that the number of the buttons 53 is set in one-to-one correspondence with the number of the hydraulic rods 51, different buttons 53 control the telescoping of different hydraulic rods 51.

[0034] Further, the two ends of two of the hydraulic rods 51 are respectively rotatably connected to the surface of the base 1 and the telescopic boom 2, and the two ends of the other hydraulic rod 51 are respectively rotatably connected to the surface of the working bucket 4 and the telescopic boom 2.

[0035] During operation, two of the hydraulic rods 51 control the lifting of the whole telescopic boom 2 for adjusting the angle between the telescopic boom 2 and the test platform, and the other hydraulic rod 51 controls the leveling of the working bucket 4.

[0036] Further, one end of a connecting rod 16 is snap-fitted and installed on the surface of the chassis 6, and the other end of the connecting rod 16 is snap-fitted and installed on the side surface of the swing arm 8.

[0037] During operation, with the structural design that the two ends of the connecting rod 16 are respectively snap-fitted and installed on the surface of the chassis 6 and the side surface of the swing arm 8, the connecting rod 16 has a fixing effect on the swing arm 8.

[0038] Working principle: The whole telescopic boom 2 is composed of the first metal arm 21, the second metal arm 22 and the third insulating arm 23. The first metal arm 21, the second metal arm 22 and the third insulating arm 23 are synchronously telescoped through the hydraulic control system 5, the wire rope 13, the movable pulley 12 and the boom telescoping mechanism 11; one of the hydraulic rods 51 controls the leveling of the working bucket 4.

[0039] Before working, expand the swing arm 8, fix the swing arm 8 through the connecting rod 16, rotate the screw leg 9 to extend and slowly lift the entire test platform until the universal wheel 10 leaves the ground. After leveling the screw leg 9 by rotation, conduct the test. After the test, rotate the screw leg 9 in the reverse direction to retract the leg, and the test platform slowly descends until the universal wheel 10 effectively contacts the ground. Finally, retract the swing arm 8. The length of each swing arm 8 is half of the length of the test platform, and the swing arms 8 are retracted on both sides of the test platform.

[0040] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. An experimental device for an insulating boom truck upper structure, comprising a base (1), characterized in that: The upper part of the base (1) is rotatably connected to an upper structure, and the bottom of the base (1) is fixedly connected to a test platform; The upper structure mainly comprises a telescopic boom (2) and a working bucket (4); the front end of the telescopic boom (2) is rotatably connected to a connecting head (3); one side of the connecting head (3) is fixedly connected to the working bucket (4); and a part of a hydraulic control system (5) is fixedly connected to the surface of the telescopic boom (2); The test platform comprises a base frame (6), the surface of the base frame (6) is fixedly connected to a telescopic arm support (7), the side of the base frame (6) is rotatably connected to a swing arm (8), one end of the swing arm (8) is threadedly matched with a screw support leg (9) near the bottom, the bottom surface of the base frame (6) is rotatably connected to universal wheels (10) near the four corners, the interior of the telescopic arm (2) is provided with an arm telescopic mechanism (11), the interior of the arm telescopic mechanism (11) is fixedly connected to a part of a cylinder hydraulic control system (5), the top of the hydraulic control system (5) is fixedly connected to the outer wall of a movable pulley (12), the interior of the arm telescopic mechanism (11) is fixedly connected to a fixed pulley (14), and the interior of the arm telescopic mechanism (11) is fixedly connected to a fixed plate (15).

2. The experimental device for the upper structure of the insulated bucket arm vehicle according to claim 1 is characterized in that: One end of a steel wire rope (13) is fixedly connected inside the telescopic arm (2), and the other end of the steel wire rope (13) is fixedly connected to the surface of a fixed plate (15), and the surface of the steel wire rope (13) is closely attached to the surfaces of the movable pulley (12) and the fixed pulley (14).

3. The experimental device for the upper structure of the insulated bucket arm vehicle according to claim 1 is characterized in that: The telescopic arm frame (2) comprises a metal arm (21), two metal arms (22) are slidably sleeved inside the metal arm (21), and insulating arms (23) are slidably sleeved inside the two metal arms (22).

4. The experimental device for the upper structure of the insulated boom truck according to claim 1 is characterized in that: The hydraulic control system (5) comprises a plurality of hydraulic rods (51) and a remote controller (52). The surface of the remote controller (52) is provided with buttons (53), and the number of the buttons (53) is arranged in a one-to-one correspondence with the number of the hydraulic rods (51).

5. The experimental device for the upper structure of the insulated boom truck according to claim 4 is characterized in that: The two ends of two of the hydraulic rods (51) are respectively rotatably connected to the surface of the base (1) and the telescopic arm (2), and the two ends of another of the hydraulic rods (51) are respectively rotatably connected to the surface of the working bucket (4) and the telescopic arm (2).

6. The experimental device for the upper structure of the insulated bucket arm vehicle according to claim 1 is characterized in that: One end of a connecting rod (16) is mounted on the surface of the base frame (6), and the other end of the connecting rod (16) is mounted on the side surface of the swing arm (8).

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