CN220427369U - Connecting rod welding tool - Google Patents

Abstract

The utility model discloses a connecting rod welding tool, which belongs to the field of welding of excavator parts, and comprises the following components: the bracket comprises a bottom plate and a supporting piece arranged on the bottom plate and used for supporting the connecting part; the limiting plates are symmetrically arranged on the bracket and are used for limiting the hinge sleeve axially; the drive part, it sets up on the support, two the limiting plate all removes through the drive part, through setting up drive part and limiting plate for the limiting plate does not need manual operation, and convenient and fast, and is stable, and two limiting plate lateral shifting have reduced vertical occupation space, are convenient for take out the connecting rod, through setting up the baffle, protect drive part, prevent that the welding process from causing the damage to drive part.

Description

Connecting rod welding tool

Technical Field

The utility model relates to the technical field of excavator parts, in particular to a connecting rod welding tool.

Background

The excavator bucket mechanism generally comprises four parts, namely a bucket rod, a bucket, a rocker arm and a connecting rod, which are sequentially hinged to form an unstable quadrilateral structure for pushing and deforming by an air cylinder, and finally realizing the rotation and use actions of the bucket, wherein one end of the connecting rod is hinged with the bucket, and the other end of the connecting rod is hinged with the rocker arm and the air cylinder shaft, and finally is used for rotationally controlling the bucket.

The connecting rod shown in figure 4 has more parts, and consists of a connecting plate a, a rib plate b and hinge sleeves c at two ends, wherein in the production process of the connecting rod of the excavator, the parts can be welded after being positioned on a tool, the hinge sleeves at two ends are also required to be limited in the axial direction after inserted by a bolt, and the two limiting plates are respectively inserted between the hinge sleeves and a bracket at present, so that the other ends of the hinge sleeves are abutted on the bracket, the hinge sleeves are fixed in the axial direction, the limiting plates cannot be kept stable, and the falling risk exists in the limiting plates in the welding process.

Disclosure of Invention

The utility model aims to solve the problem that the limiting plate in the prior art cannot keep stable, and the limiting plate is in falling risk in the welding process.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a connecting rod welding fixture, comprising: the bracket comprises a bottom plate and a supporting piece arranged on the bottom plate and used for supporting the connecting part; the limiting plates are symmetrically arranged on the bracket and used for limiting the hinge sleeve axially and preventing the parts from shifting in the welding process; the driving part is arranged on the bracket, the two limiting plates move through the driving part, and the two limiting plates are connected with the driving part and can stably limit the hinge sleeve.

As shown in fig. 4, the hinge sleeves are three, one hinge sleeve, two short hinge sleeves, wherein the two short hinge sleeves on one side are limited by a sleeve, the sleeve is sleeved on a bolt, and an arc-shaped block for supporting the hinge sleeves is arranged on the base.

Preferably, the two limiting plates are provided with arc-shaped parts, the arc-shaped parts are matched with the bolts, and when the limiting plates limit the hinge sleeve, the arc-shaped parts contact the bolts, so that the stability of the limiting plates is further maintained.

Preferably, one side surface of the limiting plate is contacted with the hinge sleeve, the other side surface of the limiting plate is contacted with the supporting piece, and the limiting plate is inserted between the hinge sleeve and the first supporting plate, so that the other end of the hinge sleeve is abutted with the other first supporting plate, and the hinge sleeve is limited.

Preferably, an inclined surface is arranged on one side surface of the limiting plate and one side surface of the hinge sleeve, and the limiting plate is convenient to insert.

Preferably, the arc-shaped parts of the two limiting plates are arranged relatively, the two limiting plates are mutually close to or far away from each other through the driving part, the driving part is a bidirectional telescopic cylinder, the two limiting plates can be simultaneously clamped with or far away from each other through the bidirectional telescopic cylinder, the two limiting plates are arranged outside the bolt on the corresponding side, the occupied longitudinal space is reduced, and the connecting rod is convenient to take out.

Preferably, a connecting strip is arranged on the lower side of the limiting plate and connected with the driving part, and the connecting strip connects the limiting plate with the driving part.

Preferably, the lower surface of the connecting strip is contacted with the upper surface of the bottom plate, so that the stability of the limiting plate is improved.

Preferably, the upper surface of the connecting strip is lower than the bottom end of the hinge sleeve, so that the connecting strip is prevented from contacting the hinge sleeve.

Preferably, the upper side of the driving part is provided with a baffle plate, and the baffle plate is connected with the second supporting plate to prevent the damage to the bidirectional expansion in the welding process.

Compared with the prior art, the utility model has the following beneficial effects: through setting up the limiting plate of being connected with drive portion for the limiting plate does not need manual operation, convenient and fast, and is stable, and two limiting plates lateral shifting have reduced vertical occupation space, are convenient for take out the connecting rod, protect drive portion through setting up the baffle, prevent that the welding process from causing the damage to drive portion.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic view of the latch of the present utility model inserted in a bracket.

Fig. 3 is a schematic view of a stent of the present utility model.

FIG. 4 is a schematic view of a connecting rod according to the present utility model.

Description of the figure: 1. a bracket; 11. a bottom plate; 12. a support member; 121. a first stay plate; 122. a second stay plate; 123. a third stay plate; 2. a limiting plate; 21. an arc-shaped portion; 3. a driving section; 4. an inclined surface; 5. a connecting strip; 6. and a baffle.

Detailed Description

The present utility model is described in further detail below with reference to the accompanying drawings.

The following description is presented to enable one of ordinary skill in the art to practice the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art. The basic principles of the utility model defined in the following description may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the utility model.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. indicate orientations or positions based on the orientation or positional relationship shown in the drawings, which are merely for convenience in describing the present simplified description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and thus the above terms are not to be construed as limiting the present utility model.

It will be understood that the terms "a" and "an" should be interpreted as referring to "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, while in another embodiment, the number of elements may be plural, and the term "a" should not be interpreted as limiting the number.

Referring to fig. 1-4, a connecting rod welding tool includes: the bracket 1 comprises a bottom plate 11 and a support piece 12 arranged on the bottom plate 11 and used for supporting connecting parts, wherein the support piece 12 comprises a first support plate 121 for supporting a bolt, a second support plate 122 for supporting a connecting plate and a third support plate 123 for supporting a rib plate, the second support plate 122 is symmetrically arranged and provided with a slot, the connecting plate is inserted into the slot, the rib plate is positioned between the two connecting plates, and the third support plate 123 supports the rib plate from the bottom; the limiting plates 2 are symmetrically arranged on the bracket 1, and the limiting plates 2 are used for limiting the hinge sleeve axially and preventing the parts from shifting in the welding process; and the driving part 3 is arranged on the bracket 1, the two limiting plates 2 move through the driving part 3, and the two limiting plates 2 are connected with the driving piece and can stably limit the hinge sleeve.

As shown in fig. 4, the hinge sleeves are three, one hinge sleeve, two short hinge sleeves, wherein the two short hinge sleeves on one side are limited by a sleeve, the sleeve is sleeved on a bolt, and an arc-shaped block for supporting the hinge sleeves is arranged on the bottom plate 11.

Arc portions 21 are formed in the two limiting plates 2, the arc portions 21 are matched with the bolts, and when the limiting plates 2 limit the hinge sleeve, the arc portions 21 contact the bolts, so that the stability of the limiting plates 2 is further kept.

One side surface of the limiting plate 2 is in contact with the hinge sleeve, the other side surface of the limiting plate 2 is in contact with the supporting piece 12, and the limiting plate 2 is inserted between the hinge sleeve and the first supporting plate 121, so that the other end of the hinge sleeve is abutted with the other first supporting plate 121, and the hinge sleeve is limited.

An inclined surface 4 is arranged on one side surface of the limiting plate 2 and one side surface of the hinge sleeve, and the limiting plate 2 is convenient to insert due to the arrangement of the inclined surface 4.

The arc-shaped parts 21 of the two limiting plates 2 are oppositely arranged, the two limiting plates 2 are mutually close to or far away from each other through the driving part 3, the driving part 3 is a bidirectional telescopic cylinder, the two limiting plates 2 can be simultaneously clamped with or far away from each other through the bidirectional telescopic cylinder, the two limiting plates 2 are arranged outside the bolts on the corresponding sides, the occupied longitudinal space is reduced, and the connecting rod is convenient to take out.

The downside of limiting plate 2 is provided with connecting strip 5, and connecting strip 5 is connected with drive portion 3, and connecting strip 5 links limiting plate 2 and drive portion 3 together.

The lower surface of the connecting strip 5 is in contact with the upper surface of the bottom plate 11, which increases the stability of the limiting plate 2.

The upper surface of the connecting strip 5 is lower than the bottom end of the hinge sleeve, preventing it from contacting the hinge sleeve.

The upper side of the driving part 3 is provided with a baffle plate 6, and the baffle plate 6 is connected with a second supporting plate 122 to prevent the damage to the bidirectional expansion in the welding process.

In summary, during use, firstly, the parts of the connecting rod are placed according to the corresponding positions, when the short hinge sleeve is placed, the movable sleeve is convenient for the hinge sleeve to correspond to the insertion holes of the first supporting plate 121, after the connecting rod is placed, the driving is started, the connecting strips 5 are close to each other, the limiting plates 2 are inserted between the hinge sleeve and the first supporting plate 121, so that the hinge sleeve axially moves on the bolt and finally stops when contacting with the first supporting plate 121 on the other side, at the moment, two sides of the limiting plates 2 are respectively contacted with the first supporting plate 121 and the hinge sleeve, then all the parts are welded together to form a whole, after the welding is finished, the two limiting plates 2 are mutually separated through the driving part 3, the limiting of the connecting rod is relieved, and the connecting rod is taken out after the bolt is pulled out.

It will be appreciated by persons skilled in the art that the embodiments of the utility model described above and shown in the drawings are by way of example only and are not limiting. The objects of the present utility model have been fully and effectively achieved. The functional and structural principles of the present utility model have been shown and described in the examples and embodiments of the utility model may be modified or practiced without departing from the principles described.

Claims (9)

1. Connecting rod welding frock, its characterized in that includes:

the bracket (1) comprises a bottom plate (11) and a supporting piece (12) which is arranged on the bottom plate (11) and used for supporting connecting parts;

the limiting plates (2) are symmetrically arranged on the bracket (1), and the limiting plates (2) are used for limiting the hinge sleeve axially;

and the driving part (3) is arranged on the bracket (1), and the two limiting plates (2) are moved by the driving part (3).

2. The connecting rod welding fixture of claim 1, wherein: arc-shaped parts (21) are arranged on the two limiting plates (2), and the arc-shaped parts (21) are matched with the bolts.

3. The connecting rod welding fixture of claim 2, wherein: one side surface of the limiting plate (2) is contacted with the hinging sleeve, and the other side surface is contacted with the supporting piece (12).

4. A connecting rod welding fixture as defined in claim 3, wherein: an inclined surface (4) is arranged on one side surface of the limiting plate (2) and one side surface of the hinge sleeve.

5. The connecting rod welding fixture of claim 4, wherein: the arc-shaped parts (21) of the two limiting plates (2) are oppositely arranged, and the two limiting plates (2) are mutually close to or far away from each other through the driving part (3).

6. The connecting rod welding fixture of claim 5, wherein: the lower side of limiting plate (2) is provided with connecting strip (5), connecting strip (5) are connected with drive portion (3).

7. The connecting rod welding fixture of claim 6, wherein: the lower surface of the connecting strip (5) is contacted with the upper surface of the bottom plate (11).

8. The connecting rod welding fixture of claim 7, wherein: the upper surface of the connecting strip (5) is lower than the bottom end of the hinge sleeve.

9. The connecting rod welding fixture of claim 8, wherein: a baffle plate (6) is arranged on the upper side of the driving part (3), and the baffle plate (6) is connected with the second supporting plate (122).