CN214816191U

CN214816191U - Welding fixture for frame of aerial work vehicle

Info

Publication number: CN214816191U
Application number: CN202121491520.9U
Authority: CN
Inventors: 党宏昌; 刘勇
Original assignee: Changsha Dailian Machinery Co ltd
Current assignee: Changsha Dailian Machinery Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2021-11-23
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a welding jig of high altitude construction vehicle frame, including unable adjustment base, unable adjustment base top fixedly connected with slide rail, set up the pole of moving away to avoid possible earthquakes between unable adjustment base and the slide rail, slide rail outer wall swing joint is expert at the position, fixture center one end fixed connection connecting rod is kept away from to the movable block, motor output shaft tip fixedly connected with second gear, transfer line bottom swing joint has the supporting rod, be provided with the spring between supporting rod and the transfer line, transfer line one end fixedly connected with contact pad is kept away from to the supporting rod. The utility model discloses in, through swing joint there is the supporting rod bottom the transfer line, be provided with the spring between supporting rod and the transfer line, the supporting rod is kept away from transfer line one end fixedly connected with contact pad, when the clamping rod carries out the centre gripping to the frame, contacts through contact pad and frame, prevents because the too big frame that leads to of clamping-force is sunken, in welding process, absorbs the amplitude that frame department produced through the spring, prevents that the frame from dropping.

Description

Welding fixture for frame of aerial work vehicle

Technical Field

The utility model belongs to the technical field of welding jig, specifically be welding jig of high altitude construction vehicle frame.

Background

The high-altitude operation vehicle is a special vehicle for transporting workers and equipment to a site and performing aerial operation, and the crank arm type high-altitude operation vehicle can perform overhanging operation, span certain obstacles or lift at one position to perform multi-point operation; the platform has large carrying capacity, can be used for two or more persons to work simultaneously and can carry certain equipment; the lifting platform has good mobility and is convenient to transfer to a site; the appearance is beautiful, and the utility model is suitable for indoor and outdoor operation and storage. The device is suitable for large-scale overhead operation of stations, docks, markets, stadiums, residential property, industrial and mining workshops and the like;

the welding clamp of the frame of the aerial working vehicle in the prior art is easy to fall off when in use, thereby not only affecting the working efficiency, but also causing serious safety accidents.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the welding clamp of the frame of the aerial work vehicle in the prior art is easy to fall off when in use, not only the working efficiency is influenced, but also serious safety accidents can be caused, the welding clamp of the frame of the aerial work vehicle is provided.

The utility model adopts the technical scheme as follows: the welding fixture for the frame of the aerial work vehicle comprises a fixed base, a slide rail is fixedly connected to the top of the fixed base, a shock-absorbing rod is arranged between the fixed base and the slide rail, the outer wall of the slide rail is movably connected with a slide, a clamping mechanism is fixedly connected to the front side of the slide, a fixed frame is fixedly connected to the top of the slide, a motor is fixedly connected to the front side of the fixed frame, transmission rods are movably connected to the left and right ends of the front side of the slide, lead screws are movably connected to the left and right sides of the clamping mechanism, a movable block is movably connected to the outer wall of the lead screw, a connecting rod is fixedly connected to one end of the movable block, which is far away from the center of the clamping mechanism, a first gear is fixedly connected to one end of the lead screw, which is close to the center of the clamping mechanism, a second gear is fixedly connected to the end of an output shaft of the motor, a clamping rod is movably connected to the bottom of the transmission rods, and a spring is arranged between the clamping rod and the transmission rod, one end, far away from the transmission rod, of the clamping rod is fixedly connected with a contact pad.

In a preferred embodiment, one end of the connecting rod extending out of the interior of the clamping mechanism is movably connected with the top of the transmission rod, when the connecting rod moves outwards, thrust is applied to the top of the transmission rod to enable the top of the transmission rod to move outwards, and the middle of the clamping rod is movably connected with the outer wall of the front side of the slide to enable the bottom of the clamping rod to move inwards to clamp the frame.

In a preferred embodiment, the end of the output shaft of the motor is located inside the clamping mechanism.

In a preferred embodiment, the left side and the right side of the second gear are respectively meshed with the two first gears, when the second gear rotates, the first gear is driven to rotate, and the first gear drives the screw rod to rotate.

In a preferred embodiment, the row bits are controlled in their movement by a PLC program.

In a preferred embodiment, the moving block is internally provided with internal threads, the internal threads are meshed with the outer wall of the screw rod, when the screw rod rotates, the two sides of the moving block are limited by the inner wall of the clamping mechanism, so that the moving block cannot rotate, and thrust generated by the screw rod enables the moving block to move left and right along the screw rod.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, when the connecting rod outwards removed, give transfer line top thrust, make the transfer line top outwards remove, because supporting rod middle part swing joint in slide front side outer wall makes the supporting rod bottom inwards move, carries out the centre gripping to the frame, prevents that the frame from dropping in the clamping process, and the centre gripping finishes the back, makes the slide along slide rail rebound through the PLC procedure, lifts up the frame, is convenient for weld the frame.

2. The utility model discloses in, through swing joint there is the supporting rod bottom the transfer line, be provided with the spring between supporting rod and the transfer line, the supporting rod is kept away from transfer line one end fixedly connected with contact pad, when the clamping rod carries out the centre gripping to the frame, contacts through contact pad and frame, prevents because the too big frame that leads to of clamping-force is sunken, in welding process, absorbs the amplitude that frame department produced through the spring, prevents that the frame from dropping.

Drawings

FIG. 1 is a schematic diagram of the welding jig of the frame of the aerial work vehicle of the present invention;

FIG. 2 is a cross-sectional view of the clamping mechanism in the welding fixture of the frame of the aerial work vehicle of the present invention;

fig. 3 is an enlarged view of a part a of the welding jig for the frame of the aerial work vehicle of the present invention.

The labels in the figure are: the device comprises a fixed base 1, a sliding rail 2, a shock absorbing rod 3, a moving block 4, a clamping mechanism 5, a fixed frame 6, a motor 7, a transmission rod 8, a lead screw 9, a moving block 10, a connecting rod 11, a first gear 12, a second gear 13, a clamping rod 14, a spring 15 and a contact pad 16.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.

A welding fixture for a frame of an aerial work vehicle (AIV) comprises a fixed base 1, wherein the top of the fixed base 1 is fixedly connected with a slide rail 2, a shock absorption rod 3 is arranged between the fixed base 1 and the slide rail 2, the outer wall of the slide rail 2 is movably connected with a slide 4, the slide 4 is controlled to move through a PLC program, the front side of the slide 4 is fixedly connected with a clamping mechanism 5, the top of the slide 4 is fixedly connected with a fixed frame 6, the front side of the fixed frame 6 is fixedly connected with a motor 7, the end part of an output shaft of the motor 7 is positioned in the clamping mechanism 5, and the left end and the right end of the front side of the slide 4 are movably connected with a transmission rod 8;

referring to fig. 2, the left side and the right side of the clamping mechanism 5 are movably connected with a lead screw 9, the outer wall of the lead screw 9 is movably connected with a movable block 10, the inner part of the movable block 10 is provided with an internal thread, the internal thread is meshed with the outer wall of the lead screw 9, when the lead screw 9 rotates, the two sides of the movable block 10 are limited by the inner wall of the clamping mechanism 5, so that the movable block cannot rotate, the thrust generated by the lead screw 9 causes the movable block 10 to move left and right along the lead screw 9, one end of the movable block 10 far away from the center of the clamping mechanism 5 is fixedly connected with a connecting rod 11, one end of the connecting rod 11 extending out of the inner part of the clamping mechanism 5 is movably connected with the top of a transmission rod 8, when the connecting rod 11 moves outwards, the top of the transmission rod 8 moves outwards, the middle part of the clamping rod 8 is movably connected with the outer wall at the front side of the traveling position 4, so that the bottom of the clamping rod 8 moves inwards to clamp the vehicle frame, one end of the lead screw 9 close to the center of the clamping mechanism 5 is fixedly connected with a first gear 12, the end part of the output shaft of the motor 7 is fixedly connected with a second gear 13, the left side and the right side of the second gear 13 are respectively meshed with the two first gears 12, when the second gear 13 rotates, the first gear 12 is driven to rotate, and the first gear 12 drives the screw rod 9 to rotate;

referring to fig. 3, a clamping rod 14 is movably connected to the bottom of the transmission rod 8, a spring 15 is disposed between the clamping rod 14 and the transmission rod 8, and a contact pad 16 is fixedly connected to one end of the clamping rod 14, which is far away from the transmission rod 8.

The working principle is as follows: the frame is placed between two clamping rods 14, a motor 7 drives a second gear 13 to rotate clockwise, the second gear 13 drives a first gear 12 to rotate clockwise, the first gear 12 drives a screw rod 9 to rotate clockwise, when the screw rod 9 rotates clockwise, the screw rod 9 cannot rotate due to the fact that two sides of a moving block 10 are limited by the inner wall of a clamping mechanism 5, the moving block 10 moves outwards along the screw rod 9 due to the thrust generated by the screw rod 9, when a connecting rod 11 moves outwards, the top of the transmission rod 8 is pushed, the top of the transmission rod 8 moves outwards, the middle of the clamping rod 8 is movably connected to the outer wall of the front side of a slide 4, the bottom of the clamping rod 8 moves inwards to clamp the frame, the frame is prevented from falling off in the clamping process, and after clamping is finished, the slide 4 moves upwards along a slide rail 2 through a PLC program to lift the frame, and welding of the frame is facilitated;

through have the supporting rod 14 at transfer line 8 bottom swing joint, be provided with spring 15 between supporting rod 14 and the transfer line 8, supporting rod 14 keeps away from transfer line 8 one end fixedly connected with contact pad 16, when supporting rod 14 carries out the centre gripping to the frame, contacts with the frame through contact pad 16, prevents because the too big frame that leads to of clamping-force is sunken, in welding process, absorbs the amplitude that frame department produced through spring 15, prevents that the frame from dropping.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. Welding jig of high altitude construction vehicle frame, including unable adjustment base (1), its characterized in that: the shock absorbing device is characterized in that a slide rail (2) is fixedly connected to the top of the fixed base (1), a shock absorbing rod (3) is arranged between the fixed base (1) and the slide rail (2), the outer wall of the slide rail (2) is movably connected with a slide (4), a clamping mechanism (5) is fixedly connected to the front side of the slide (4), a fixed frame (6) is fixedly connected to the top of the slide (4), a motor (7) is fixedly connected to the front side of the fixed frame (6), transmission rods (8) are movably connected to the left end and the right end of the front side of the slide (4), lead screws (9) are movably connected to the left end and the right end of the clamping mechanism (5), a movable block (10) is movably connected to the outer wall of the lead screws (9), a connecting rod (11) is fixedly connected to one end, far away from the center of the clamping mechanism (5), of each lead screw (9) is fixedly connected to a first gear (12) close to the center of the clamping mechanism (5), the end part of the output shaft of the motor (7) is fixedly connected with a second gear (13), the bottom of the transmission rod (8) is movably connected with a clamping rod (14), a spring (15) is arranged between the clamping rod (14) and the transmission rod (8), and one end of the clamping rod (14) far away from the transmission rod (8) is fixedly connected with a contact pad (16).

2. The welding jig for the frame of the aerial work vehicle as defined in claim 1, wherein: one end of the connecting rod (11) extending out of the clamping mechanism (5) is movably connected with the top of the transmission rod (8).

3. The welding jig for the frame of the aerial work vehicle as defined in claim 1, wherein: the end part of the output shaft of the motor (7) is positioned in the clamping mechanism (5).

4. The welding jig for the frame of the aerial work vehicle as defined in claim 1, wherein: the left side and the right side of the second gear (13) are respectively meshed with the two first gears (12).

5. The welding jig for the frame of the aerial work vehicle as defined in claim 1, wherein: the line bit (4) controls the movement of the line bit through a PLC program.

6. The welding jig for the frame of the aerial work vehicle as defined in claim 1, wherein: an internal thread is arranged in the moving block (10), and the internal thread is meshed with the outer wall of the screw rod (9).