CN215356994U

CN215356994U - Auxiliary device for lap welding of lower frame of excavator

Info

Publication number: CN215356994U
Application number: CN202121615842.XU
Authority: CN
Inventors: 高建华; 翟晓凯; 余振新
Original assignee: Jiangyin Huajun Machinery Co ltd
Current assignee: Jiangyin Huajun Machinery Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-31
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses an auxiliary device for lap welding of a lower frame of an excavator, and relates to the technical field of excavator production. The utility model comprises a base, wherein a first supporting platform is horizontally fixed at the top of the base through an electro-hydraulic push rod, second supporting platforms are symmetrically fixed at two sides of the base through movable arms, the movable arms are movably connected in the base, the front surface of the base is rotatably connected with a rotating shaft through a bearing, a hand-operated piece is fixed at the front end of the rotating shaft, a power switch is fixed at the front surface of the base at one side of the hand-operated piece through screws, and supporting legs are arranged at four corner positions at the bottom of the base. According to the utility model, through the first support table and the second support table, the lower frame of the excavator can be rapidly supported, various lap welding operations of the lower frame of the excavator can be conveniently carried out by production personnel, meanwhile, the electro-hydraulic push rod drives the first support table to move up and down, the second support table is driven to move left and right through hand-cranking rotation, and the lower frames of the excavators with different specifications can be supported.

Description

Auxiliary device for lap welding of lower frame of excavator

Technical Field

The utility model belongs to the technical field of excavator production, and particularly relates to an auxiliary device for lap welding of a lower frame of an excavator.

Background

In the frame production was crossed under the excavator, the frame is placed down and is carried out the overlap welding on the platform usually, the current structure platform of frame production overlap welding usefulness down is comparatively crude, at the overlap welding in-process, need place the cushion on the platform, frame pad to suitable high position department will get off, it rises to suitable high position with the wheel carrier pad of the athey wheel of the frame left and right sides of getting off to utilize the cushion in addition again, it is comparatively inconvenient to operate, consuming time power, and the stability of the frame of getting off after placing is relatively poor, therefore the urgent need in the market can the improved technique, in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to an auxiliary device for lap welding of a lower frame of an excavator, which comprises a base, wherein a first supporting table is horizontally fixed at the top of the base through an electro-hydraulic push rod, second supporting tables are symmetrically fixed on two sides of the base through movable arms, the movable arms are movably connected in the base, the front surface of the base is rotatably connected with a rotating shaft through a bearing, a hand-operated piece is fixed at the front end of the rotating shaft, a power switch is fixed on the front surface of the base on one side of the hand-operated piece through screws, and supporting legs are arranged at four corner positions at the bottom of the base.

Preferably, the electro-hydraulic push rod is provided with two in front and back, the bottom of the electro-hydraulic push rod is fixedly connected with the top of the base, and the telescopic end of the electro-hydraulic push rod is fixedly connected with the top of the first supporting table.

Preferably, the power switch is electrically connected with an external power supply through a lead, and the power switch is electrically connected with the two electro-hydraulic push rods through leads respectively.

Preferably, a sliding groove is formed in the base, the movable arm slides along the sliding groove, and the second supporting table is horizontally fixed to the top of one end of the outer side of the movable arm.

Preferably, a first angle gear is fixedly sleeved at one end of the rotating shaft, which is positioned in the base.

Preferably, a first screw rod and a second screw rod are respectively and rotatably connected in the sliding grooves on two sides of the first bevel gear, and the first screw rod and the second screw rod rotate in the sliding grooves through bearing seats fixed in the sliding grooves.

Preferably, one end of the first screw rod, which is close to the first angle gear, is fixedly sleeved with a second angle gear, the second angle gear is meshed with the first angle gear, and the other end of the first screw rod is screwed into the movable arm on one side inside the base.

Preferably, one end of the second screw rod, which is close to the first angle gear, is fixedly sleeved with a third angle gear, the third angle gear is meshed with the first angle gear, and the other end of the second screw rod is screwed into the movable arm on the other side inside the base.

The utility model has the following beneficial effects:

1. according to the utility model, through arranging the first supporting table and the second supporting table, the middle part of the lower frame of the excavator can be supported through the first supporting table, and the wheel carriers at two sides of the lower frame of the excavator can be supported through the second supporting table, so that the lower frame of the excavator can be rapidly unfolded and lap-welded, and the electro-hydraulic push rod drives the first supporting table to move up and down, so that the lower frame of the excavator can be supported to a proper required position, and the use is more flexible.

2. According to the utility model, the hand-operated piece is rotated by hand to drive the movable arm to move, the two second supporting tables can be driven to move left and right, so that the excavator lower frames with different specifications can be adapted, and the excavator lower frames with different specifications can be rapidly supported by matching with the up-and-down movement of the first supporting table, so that the use effect is better.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a top view of the present invention;

FIG. 2 is a bottom view of the present invention;

fig. 3 is a bottom internal view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 11. a support leg; 12. a rotating shaft; 13. a first lead screw; 14. a second lead screw; 15. a bearing seat; 16. a first horn gear; 17. a second horn gear; 18. a third angle gear; 19. a chute; 2. a first support table; 3. a second support table; 4. an electro-hydraulic push rod; 5. a hand piece; 6. a power switch; 7. a movable arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the utility model relates to an auxiliary device for lap welding of a lower frame of an excavator, which comprises a base 1, wherein a first supporting platform 2 is horizontally fixed at the top of the base 1 through an electro-hydraulic push rod 4, second supporting platforms 3 are symmetrically fixed on two sides of the base 1 through movable arms 7, the movable arms 7 are movably connected in the base 1, a rotating shaft 12 is rotatably connected to the front of the base 1 through a bearing, a hand-shaking piece 5 is fixed at the front end of the rotating shaft 12, a power switch 6 is fixed on the front of the base 1 on one side of the hand-shaking piece 5 through screws, and supporting legs 11 are arranged at four corner positions at the bottom of the base 1.

Further, be provided with two around the electric liquid push rod 4, the bottom of electric liquid push rod 4 and the top fixed connection of base 1, and the flexible end of electric liquid push rod 4 all with the top fixed connection of first supporting station 2, through the elevating movement of electric liquid push rod 4, can drive first supporting station 2 and reciprocate.

Further, switch 6 passes through wire and external power electric connection, and switch 6 passes through wire and two electric liquid push rods 4 electric connection respectively, can control electric liquid push rod 4 through switch 6 and go up and down to suitable position department.

Further, spout 19 has been seted up to base 1's inside, and the digging arm 7 slides along spout 19, and the top at digging arm 7 outside one end is fixed to the second brace table 3 level, moves about through the digging arm 7 with base 1 both sides and adjusts, can carry out quick regulation to the position of the second brace table 3.

Further, a first bevel gear 16 is fixedly sleeved on one end of the rotating shaft 12 located inside the base 1.

Furthermore, a first screw rod 13 and a second screw rod 14 are respectively and rotatably connected in the sliding grooves 19 on two sides of the first bevel gear 16, the first screw rod 13 and the second screw rod 14 rotate in the sliding grooves 19 through bearing seats 15 fixed in the sliding grooves 19, and the bearing seats 15 can support the rotation of the first screw rod 13 and the second screw rod 14.

Furthermore, one end of the first screw rod 13 close to the first angle gear 16 is fixedly sleeved with a second angle gear 17, the second angle gear 17 is meshed with the first angle gear 16, the other end of the first screw rod 13 is screwed into the movable arm 7 on one side inside the base 1, and the first screw rod 13 rotates to drive the movable arm 7 on one side of the base 1 to slide along the sliding groove 19.

Furthermore, one end of the second screw rod 14 close to the first angle gear 16 is fixedly sleeved with a third angle gear 18, the third angle gear 18 is meshed with the first angle gear 16, the other end of the second screw rod 14 is screwed into the movable arm 7 on the other side inside the base 1, and the second screw rod 14 rotates to drive the movable arm 7 on the other side of the base 1 to slide along the sliding groove 19.

The working principle is as follows: when the device is used, the device is stably placed on a lap welding platform, the electro-hydraulic push rod 4 is controlled by the power switch 6 to drive the first supporting platform 2 to move upwards to a proper position, the lower frame of the excavator to be lap welded is placed on the first supporting platform 2 on the device, then the hand-operated rotating hand-operated piece 5 drives the rotating shaft 12 to rotate, the rotating shaft 12 rotates to drive the first angle gear 16 to rotate, the first angle gear 16 rotates to simultaneously drive the second angle gear 17 and the third angle gear 18 to rotate, the second angle gear 17 rotates to drive the first screw rod 13 to rotate, the third angle gear 18 rotates to drive the second screw rod 14 to rotate, further the movable arms 7 on two sides inside the base 1 are driven to slide along the sliding grooves 19, the second supporting platforms 3 on two sides of the lower frame of the excavator are driven to respectively move to the lower parts of the wheel frames on two sides of the lower frame of the excavator, then the electro-hydraulic push rod 4 is controlled to move downwards, so that the wheel frames on two sides of the lower frame of the excavator are stably placed on the two second supporting platforms 3, and the lower frame of the excavator can be subjected to various lap welding operations.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above are only preferred embodiments of the present invention, and the present invention is not limited thereto, and any modifications to the technical solutions described in the above embodiments, and equivalents of some technical features are included in the scope of the present invention.

Claims

1. The utility model provides an excavator is auxiliary device for lower frame overlap welding, includes base (1), its characterized in that: the top of base (1) is fixed with first supporting bench (2) through electric liquid push rod (4) level, the both sides of base (1) are fixed with second brace table (3) through digging arm (7) symmetry, digging arm (7) swing joint is in base (1), the front of base (1) is rotated through the bearing and is connected with pivot (12), the front end of pivot (12) is fixed with hand piece (5), the front of base (1) of hand piece (5) one side is fixed with switch (6) through the screw, four turning position departments of base (1) bottom are provided with stabilizer blade (11).

2. The auxiliary device for lap welding of the lower frame of the excavator as claimed in claim 1, wherein two electro-hydraulic push rods (4) are arranged in front of and behind each other, the bottom of each electro-hydraulic push rod (4) is fixedly connected with the top of the base (1), and the telescopic ends of the electro-hydraulic push rods (4) are fixedly connected with the top of the first supporting platform (2).

3. The auxiliary device for lap welding of the lower frame of the excavator as claimed in claim 1, wherein the power switch (6) is electrically connected with an external power supply through a lead, and the power switch (6) is electrically connected with the two electro-hydraulic push rods (4) through leads respectively.

4. The auxiliary device for lap welding of the lower frame of the excavator according to claim 1, wherein a sliding groove (19) is formed in the base (1), the movable arm (7) slides along the sliding groove (19), and the second support platform (3) is horizontally fixed to the top of one end of the outer side of the movable arm (7).

5. The auxiliary device for lap welding of the lower frame of the excavator as claimed in claim 1, wherein a first angle gear (16) is fixedly sleeved at one end of the rotating shaft (12) positioned in the base (1).

6. The auxiliary device for lap welding of the lower frame of the excavator as claimed in claim 5, wherein a first lead screw (13) and a second lead screw (14) are respectively and rotatably connected in the sliding grooves (19) at two sides of the first angle gear (16), and the first lead screw (13) and the second lead screw (14) are rotatably connected in the sliding grooves (19) through a bearing seat (15) fixed in the sliding grooves (19).

7. The auxiliary device for lap welding of the lower frame of the excavator as claimed in claim 6, wherein a second angle gear (17) is fixedly sleeved on one end of the first screw rod (13) close to the first angle gear (16), the second angle gear (17) is meshed with the first angle gear (16), and the other end of the first screw rod (13) is screwed into the movable arm (7) on one side inside the base (1).

8. The auxiliary device for lap welding of the lower frame of the excavator as claimed in claim 6, wherein a third angle gear (18) is fixedly sleeved on one end of the second screw rod (14) close to the first angle gear (16), the third angle gear (18) is meshed with the first angle gear (16), and the other end of the second screw rod (14) is screwed into the movable arm (7) on the other side inside the base (1).