Welding tool for whole machine handrail of medium-sized excavator

Abstract

The utility model discloses a whole handrail welding tool for a medium-sized excavator, relates to the technical field of excavators, and aims to solve the problems that a certain gap is easily formed between a handrail and a connecting part, pseudo soldering is caused between the handrail and the connecting part, the welding effect is poor and the working efficiency is high in the prior art. In order to solve the problems that in the prior art, the supporting position of a transverse rod cannot be adjusted according to the height of the transverse rod of the handrail, handrails of different specifications cannot be clamped and welded, and practicability is low, the following scheme is provided that the device comprises a bottom plate, and a lower supporting mechanism is arranged on one side of the top of the bottom plate; the lower supporting mechanism comprises a lower supporting plate and two lower fixing rods, wherein a sliding groove of a T-shaped structure is formed in the outer wall of the bottom of the lower supporting plate, and the two lower fixing rods are connected to the outer wall of the top of the lower supporting plate in a screwed mode. The angle of the lower supporting plate can be adjusted, pseudo soldering of the bottom end of the handrail and a connecting part is prevented, the welding effect is improved, adjustment can be conducted according to the height of a handrail cross rod, handrails of different specifications are supported and fixed, and practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to excavator technical field especially relates to a middle -sized excavator whole machine handrail welding frock. BACKGROUND

[0002] Excavator, also known as excavating machinery, also known as excavator, is the earthmoving machinery that uses the shovel to excavate the material higher or lower than the machine surface and loads into the transport vehicle or unloads to the stockpile, according to the size difference, excavator can be divided into large excavator, middle -sized excavator and small excavator.

[0003] In the production process of middle -sized excavator, the whole handrail of excavator needs to be welded, and then the whole handrail is installed on the machine body of excavator, based on prior art, when welding the handrail, the following problems exist:

[0004] 1, excavator handrail lower part is not usually vertical state, but has certain inclination angle, when welding, it is easy to cause the certain gap between handrail and connecting part, causes the false welding between handrail and connecting part, and the welding effect is poor;

[0005] 2, when welding the handrail, the support position of cross bar cannot be adjusted according to the height of cross bar, different specifications of handrails cannot be clamped and welded, and the practicability is low. INVENTION CONTENTS

[0006] The utility model provides a middle -sized excavator whole machine handrail welding frock, solve the problem that the comparative document is easy to cause the certain gap between handrail and connecting part, cause the false welding between handrail and connecting part, and the welding effect is poor, the support position of cross bar cannot be adjusted according to the height of cross bar, different specifications of handrails cannot be clamped and welded, and the practicability is low.

[0007] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] A middle -sized excavator whole machine handrail welding frock, including bottom plate, bottom plate top one side is equipped with lower support mechanism, the lower support mechanism includes the lower support plate of the lower part outer wall of the " T " structure's sliding slot and two respectively screwing in the lower fixed link of lower support plate top outer wall, the lower support plate below is equipped with adjusting assembly, the adjusting assembly includes the limit block of sliding installation in the sliding slot, adjusting rod, the limit ring of being fixed to adjusting rod upper department outer wall and the screw rod of being fixed to adjusting rod bottom end outer wall, bottom plate one side is equipped with upper support mechanism, the upper support mechanism includes the support frame of being fixed to bottom plate top outer wall and the mounting plate of being fixed to support frame top outer wall, the mounting plate is equipped with lifting assembly, the lifting assembly includes lifting platform, the screw rod of being connected on the outer wall of the shaft bearing of lifting platform bottom through and four respectively screwing in the fixed link of screw rod top outer wall.

[0009] Preferably, three supporting seats are fixedly arranged on the outer walls of the two sides of the bottom of the bottom plate, and anti-skid pads are fixedly arranged on the outer walls of the bottoms of the six supporting seats.

[0010] Preferably, two fixing seats are fixedly arranged on the outer wall of one side of the top of the bottom plate, and the two sides of the lower supporting plate are rotatably arranged on the outer walls of the opposite sides of the two fixing seats.

[0011] Preferably, a connecting block is fixedly arranged on the outer wall of the bottom end of the limiting block, a connecting frame is hingedly arranged on the outer wall of the connecting block, the adjusting rod is fixedly arranged on the outer wall of the bottom of the connecting frame, a sliding channel with a T-shaped structure is formed in the outer wall of the top of the bottom plate, the adjusting rod and the limiting ring are slidably arranged in the sliding channel, and a fastening nut is screwed on the outer wall of the upper portion of the screw rod.

[0012] Through the above scheme, by pulling the lower end of the screw rod, the screw rod drives the adjusting rod and the limiting ring to move along the sliding channel, thereby driving the limiting block to move along the sliding groove, the limiting block drives the lower supporting plate to rotate along the axis of the fixing seat, thereby adjusting the angle of the lower supporting plate, so that the handrail and the connecting component have the same inclination angle.

[0013] Preferably, two stable plates with trapezoidal structures are fixedly arranged on the outer wall of one side of the supporting frame, and the two stable plates are fixedly arranged on the outer walls of the top of the bottom plate and the bottom of the mounting plate, respectively.

[0014] Preferably, the lead screw penetrates through and is screwed on the outer wall of the bottom of the mounting plate, and four limiting rods are fixedly arranged on the outer wall of the bottom of the lifting platform, and the four limiting rods penetrate through and are slidably arranged on the outer wall of the bottom of the mounting plate.

[0015] Through the above scheme, by rotating the lead screw, the lead screw drives the lifting platform and the four limiting rods to rise, thereby enabling the lifting platform to drive the four upper fixing rods to rise, thereby supporting and fixing the handrails of different specifications.

[0016] The utility model discloses the following beneficial effects:

[0017] 1、 setting has lower support mechanism and adjusting assembly, pulls the lower end of screw rod, screw rod drives adjusting rod and limiting ring along sliding channel and moves, thereby drive limiting block along sliding groove and move, limiting block drive lower supporting plate along the axis of fixed seat and rotate, thereby adjust the angle of lower supporting plate, so that the handrail and the connecting component have the same inclination angle, can adjust the angle of lower supporting plate, prevent the handrail bottom end and connecting component produce virtual welding, improved welding effect.

[0018] 2、Set up with upper support mechanism and lifting assembly, rotate the screw rod, the screw rod drives the lifting platform and four limit rods to rise, in turn make the lifting platform drive four upper fixed rods to rise, in turn support and fix different specifications of handrails, can be adjusted according to the height of handrail cross bar, support and fix different specifications of handrails, improve the practicability.

[0019] In conclusion, the utility model can adjust the angle of the lower support plate, prevent the false welding between the handrail bottom end and the connecting component, improve the welding effect, can be adjusted according to the height of handrail cross bar, support and fix different specifications of handrails, improve the practicability. ACCURATE DRAWING

[0020] Figure 1 It is a front view three-dimensional structure schematic diagram of the utility model of a medium-sized excavator whole machine handrail welding tool.

[0021] Figure 2 It is a bottom view three-dimensional structure schematic diagram of the utility model of a medium-sized excavator whole machine handrail welding tool.

[0022] Figure 3 It is a lower support mechanism section structure schematic diagram of the utility model of a medium-sized excavator whole machine handrail welding tool.

[0023] Figure 4 It is a regulating assembly structure schematic diagram of the utility model of a medium-sized excavator whole machine handrail welding tool.

[0024] Figure 5 It is an upper support mechanism structure schematic diagram of the utility model of a medium-sized excavator whole machine handrail welding tool.

[0025] Figure 6 It is a lifting assembly structure schematic diagram of the utility model of a medium-sized excavator whole machine handrail welding tool.

[0026] In the drawing: 1, bottom plate;2, support seat;3, lower support mechanism;301, fixed seat;302, lower support plate;303, lower fixed rod;4, regulating assembly;401, limit block;402, connecting block;403, connecting frame;404, regulating rod;405, limit ring;406, screw rod;5, upper support mechanism;501, support frame;502, mounting plate;503, stabilizing plate;6, lifting assembly;601, lifting platform;602, screw rod;603, limit rod;604, upper fixed rod. DETAILED DESCRIPTION

[0027] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0028] Embodiment 1, refer to Figures 1-4 The utility model provides a middle -sized excavator whole machine handrail welding frock, including the bottom plate 1, the two sides outer wall on the bottom of bottom plate 1 are solidly equipped with three support seat 2, six support seat 2 bottom outer wall are solidly equipped with antiskid pad, bottom plate 1 top one side is equipped with the lower support mechanism 3, and the lower support mechanism 3 includes the lower support plate 302 of the " T " structure's slide groove being opened on the bottom outer wall and two lower fixed rod 303 being respectively screwed on the top outer wall of lower support plate 302, bottom plate 1 top one side outer wall is solidly equipped with two fixed seat 301, and the two sides of lower support plate 302 are respectively rotatably installed on the opposite one side outer wall of two fixed seat 301, and the lower support plate 302 below is equipped with adjusting assembly 4, and adjusting assembly 4 includes the limiting block 401 of sliding installation in the slide groove, adjusting rod 404, the limiting ring 405 of solidly equipped on the upper outer wall of adjusting rod 404 and the screw rod 406 of solidly equipped on the bottom end outer wall of adjusting rod 404, the bottom end outer wall of limiting block 401 is solidly equipped with connecting block 402, and the outer wall of connecting block 402 is hinged with connecting frame 403, and adjusting rod 404 is solidly equipped on the bottom outer wall of connecting frame 403, and the top outer wall of bottom plate 1 is opened with the slide of " T " structure, and adjusting rod 404 and limiting ring 405 are slidingly installed in the slide, and the upper outer wall of screw rod 406 is screwed with the fastening nut, and adjusting rod 404 is fixed by the fastening nut.

[0029] Embodiment 2, refer to Figures 1-2 And Figures 5-6 The utility model provides a middle -sized excavator whole machine handrail welding frock still includes the upper support mechanism 5, and the upper support mechanism 5 includes the support frame 501 of solidly equipped on the top outer wall of bottom plate 1 and the mounting plate 502 of solidly equipped on the top outer wall of support frame 501, and the one side outer wall of support frame 501 is solidly equipped with two trapezoidal structure's stabilizing plate 503, and two stabilizing plate 503 are solidly equipped on the top and the bottom outer wall of mounting plate 502 bottom of bottom plate 1 respectively, and the mounting plate 502 is equipped with lifting assembly 6, and lifting assembly 6 includes lifting platform 601, the screw rod 602 of bearing connection on the bottom outer wall of lifting platform 601 and four fixed rods 604 of being respectively screwed on the top outer wall of screw rod 602, and screw rod 602 is passed through and is screwed on the bottom outer wall of mounting plate 502, and the bottom outer wall of lifting platform 601 is solidly equipped with four limit rods 603, and four limit rods 603 are respectively passed through and slidingly installed on the bottom outer wall of mounting plate 502.

[0030] Working principle: pull the lower end of the screw 406, the screw 406 drives the adjusting rod 404 and the limiting ring 405 along the slide to move, and then drives the limiting block 402 along the sliding groove to move, the limiting block 401 drives the lower supporting plate 302 to rotate along the axis of the fixed seat 301, and then adjusts the angle of the lower supporting plate 302, so that the handrail and the connecting component are at the same inclination angle, rotate the lead screw 602, the lead screw 602 drives the lifting platform 601 and the four limiting rods 603 to rise, and then the lifting platform 601 drives the four upper fixed rods 604 to rise, then the connecting component of the excavator handrail is respectively sleeved on the two lower fixed rods 303 and the four upper fixed rods 604, and then the handrail is sleeved on the connecting component for welding.

[0031] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A welding tool for the whole handrail of a medium-sized excavator, comprising a base plate (1), characterized in that, The bottom plate (1) top side is equipped with a lower support mechanism (3), the lower support mechanism (3) includes the lower support plate (302) that the "T" structure's sliding groove is opened on the bottom outer wall and two lower fixed rods (303) are respectively screwed on the top outer wall of the lower support plate (302); The lower support plate (302) below is equipped with an adjusting assembly (4), the adjusting assembly (4) includes a limiting block (401) slidingly installed in the sliding groove, an adjusting rod (404), a limiting ring (405) fixedly arranged on the upper outer wall of the adjusting rod (404), and a screw rod (406) fixedly arranged on the bottom outer wall of the adjusting rod (404); One side of the bottom plate (1) is equipped with an upper support mechanism (5), the upper support mechanism (5) includes a support frame (501) fixedly arranged on the top outer wall of the bottom plate (1) and a mounting plate (502) fixedly arranged on the top outer wall of the support frame (501); The mounting plate (502) is equipped with a lifting assembly (6), the lifting assembly (6) includes a lifting platform (601), a lead screw (602) connected to the bottom outer wall of the lifting platform (601) through a bearing, and four fixed rods (604) respectively screwed on the top outer wall of the lead screw (602).

2. The whole machine handrail welding tooling for a medium excavator according to claim 1, characterized in that, Three support seats (2) are fixedly arranged on the bottom outer walls of both sides of the bottom plate (1), and anti-skid pads are fixedly arranged on the bottom outer walls of the six support seats (2).

3. The whole machine handrail welding tooling for a medium excavator according to claim 1, characterized in that, Two fixed seats (301) are fixedly arranged on the top outer wall of one side of the bottom plate (1), and the lower support plate (302) is rotatably installed on the opposite outer wall of the two fixed seats (301).

4. The whole machine handrail welding tooling for a medium excavator according to claim 1, characterized in that, A connecting block (402) is fixedly arranged on the bottom end outer wall of the limiting block (401), and a connecting frame (403) is hinged on the outer wall of the connecting block (402), the adjusting rod (404) is fixedly arranged on the bottom outer wall of the connecting frame (403), a "T" structure sliding groove is opened on the top outer wall of the bottom plate (1), and the adjusting rod (404) and the limiting ring (405) are slidingly installed in the sliding groove, a fastening nut is screwed on the upper outer wall of the screw rod (406).

5. The whole machine handrail welding tooling for a medium excavator according to claim 1, characterized in that, Two stable plates (503) of trapezoidal structure are fixedly arranged on one side outer wall of the support frame (501), and the two stable plates (503) are fixedly arranged on the top outer wall of the bottom plate (1) and the bottom plate (502), respectively.

6. The whole machine handrail welding tooling for a medium excavator according to claim 1, characterized in that, The lead screw (602) penetrates and is screwed on the bottom outer wall of the mounting plate (502), four limiting rods (603) are fixedly arranged on the bottom outer wall of the lifting platform (601), and the four limiting rods (603) penetrate and are slidingly installed on the bottom outer wall of the mounting plate (502), respectively.

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