CN219386475U - Landing leg structure for backhoe loader - Google Patents

Abstract

The utility model relates to a supporting leg structure for an excavating loader, which comprises a supporting seat, wherein one side of the supporting seat is fixedly connected with a first support, the interior of the first support is connected with a hydraulic ejector rod, one end of the hydraulic ejector rod is connected with a positioning seat, the bottom of the positioning seat is fixedly connected with a base, one side above the base is fixedly connected with a supporting leg, the other end of the supporting leg is connected with the interior of a second support, two sides of the base are connected with triangular plates, and the bottom of each triangular plate is fixedly connected with a base plate. According to the utility model, the extension plate and the pull rod are arranged in the base plate, so that the extension plate can be contained in the base plate or pulled out from the base plate, the contact area of the base plate to the ground can be increased after the extension plate is pulled out from the base plate, and the contact area with the ground can be increased after the pull rod in the extension plate is pulled out, thereby preventing the support legs from sinking into the ground when supported on the ground, preventing the support legs from sinking into the ground to cause the tilting phenomenon of the excavating loader, and improving the practicability of the support legs.

Description

Landing leg structure for backhoe loader

Technical Field

The utility model relates to a supporting leg structure for an excavating loader, and belongs to the technical field of excavating loaders.

Background

The backhoe loader is a single unit composed of three pieces of construction equipment. Commonly known as "busy at both ends". During construction, an operator can change the working end by only rotating the seat. The backhoe loader is mainly operated to excavate a trench to arrange pipes and underground cables, to place a foundation for a building, and to establish a drainage system.

The supporting legs used in the existing backhoe loader are divided into a side-shifting type and a frog-leg type, but the area of the supporting parts at the bottoms of the side-shifting type and the frog-leg type is limited and cannot be adjusted, when the backhoe loader is supported on a relatively soft ground, in order to prevent the supporting parts from sinking into the ground and keeping the backhoe loader balanced, the supporting area of the supporting parts is often increased by additionally adding skids or other supporting materials, so that the practicability of the backhoe loader supporting legs in use is reduced, and the backhoe loader supporting legs are not beneficial to production work.

Disclosure of Invention

The utility model aims to provide a supporting leg structure for an excavating and loading machine, which is characterized in that an extension plate and a pull rod are arranged in a base plate, the extension plate can be contained in the base plate or pulled out from the base plate, when the extension plate is pulled out from the base plate, the contact area of the base plate to the ground can be increased, and the contact area of the pull rod in the extension plate with the ground can be increased after the extension plate is pulled out, so that the supporting leg can be prevented from sinking into the ground when being supported on the ground, the phenomenon that the excavating and loading machine tilts due to the sinking of the supporting leg into the ground is prevented, and the practicability of the supporting leg is improved, so that the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a landing leg structure for backhoe loader, includes the supporting seat, supporting seat one side fixedly connected with support one, support one internal connection has hydraulic pressure ejector pin, hydraulic pressure ejector pin one end is connected with the positioning seat, positioning seat bottom and base fixed connection, base top one side fixedly connected with supporting leg, the supporting leg other end is connected in support two insidely, the base both sides are connected with the set square, set square bottom fixedly connected with backing plate, backing plate internal connection has the extension board, extension board top one side is equipped with handle one.

Furthermore, the first support, the second support and the positioning seat are both internally provided with fixed shafts, two ends of the hydraulic ejector rod are respectively in rotary connection with the first support and the positioning seat, and the supporting legs are in rotary connection with the second support.

Furthermore, the number of the triangular plates is two and the triangular plates are symmetrically arranged on two sides of the base, a rotating shaft is connected in the base in a penetrating manner, the rotating shaft penetrates through the triangular plates, and the triangular plates are connected with the base in a rotating manner through the rotating shaft.

Further, the extension board connect in inside and be equipped with upper and lower two of backing plate, the extension board is located the inside one end of backing plate is equipped with the slider, the slider is located the extension board both sides, the backing plate is inside be equipped with hold the extension board with the spout that the slider passed through, the extension board with the slider is in the inside sliding connection of backing plate.

Further, the extension plate is L-shaped, the bottom of the extension plate, which is positioned at one side of the outer portion of the base plate, is on the same horizontal line with the bottom of the base plate, the base plate is internally connected with fixing bolts, and the fixing bolts extend to the inner portion of the base plate and are connected with the extension plates.

Further, extension board one end internally connected has the pull rod, the pull rod is T shape, the pull rod imbeds in extension board is inside and be in the inside sliding connection of extension board, the pull rod is located the inside one end of extension board is equipped with the stopper, the pull rod other end is equipped with handle two, extension board one end is equipped with fastening bolt, fastening bolt one end with the pull rod is contradicted.

The beneficial effects of the utility model are as follows:

1. through setting up the extension board in the backing plate is inside, the extension board can be accomodate inside the backing plate when not using, when supporting leg and backing plate support ground, can pull out the extension board from the backing plate, make the extension board can support subaerial simultaneously with the backing plate cooperation to increase the area of contact of backing plate and ground, reduce the condition of additionally adding supporting material in the backing plate below, reduce the backing plate and take place to sink into subaerial phenomenon when supporting relatively soft subaerial, keep the stability of backhoe loader.

2. Through set up the pull rod on the extension board, after pulling out the extension board from the backing plate, can pull out the pull rod from the extension board, enlarge the area of contact and the supporting range of pull rod to the extension board, and then can increase the area of contact and the supporting range of backing plate to ground.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model.

FIG. 1 is a front view of a leg structure for an excavating loader of the present utility model;

FIG. 2 is a top plan view of a pad of the leg structure for the backhoe loader of the present utility model;

FIG. 3 is a cross-sectional view of a pad of the leg structure for the backhoe loader of the present utility model;

FIG. 4 is an enlarged view of the area A of the leg structure for the loader-digger of the present utility model;

reference numerals in the drawings: 1. a support base; 2. a first support; 3. a hydraulic ejector rod; 4. a positioning seat; 5. a base; 6. support legs; 7. a second support; 8. a triangle; 9. a backing plate; 10. an extension plate; 11. a first handle; 12. a rotating shaft; 13. a slide block; 14. a fixing bolt; 15. a pull rod; 16. a limiting block; 17. a second handle; 18. and (5) fastening a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1: referring to fig. 1-4, the present utility model provides a technical solution:

the utility model provides a landing leg structure for backhoe loader, includes supporting seat 1, supporting seat 1 one side fixedly connected with support one 2, 2 internally connected with hydraulic pressure ejector pin 3 of support, 3 one end of hydraulic pressure ejector pin is connected with positioning seat 4, positioning seat 4 bottom and base 5 fixed connection, base 5 top one side fixedly connected with supporting leg 6, the supporting leg 6 other end is connected with inside support two 7, base 5 both sides are connected with set square 8, set square 8 bottom fixedly connected with backing plate 9, backing plate 9 internally connected with extension board 10, extension board 10 top one side is equipped with handle one 11.

Specifically, the first support 2 with the second support 7 the inside fixed axle that all is equipped with of positioning seat 4, hydraulic ejector pin 3 both ends are in respectively support 2 the inside rotation of positioning seat 4 is connected, supporting leg 6 is in the inside rotation of support 7 is connected, set square 8 quantity is two and the symmetry is located base 5 both sides, the inside through connection of base 5 has axis of rotation 12, axis of rotation 12 run through in set square 8 is inside, set square 8 passes through axis of rotation 12 is in rotate on the base 5 and be connected, can drive supporting leg 6 and overturn downwards when hydraulic ejector pin 3 moves to make supporting leg 6 and backing plate 9 support subaerial.

Specifically, extension board 10 connect in the backing plate 9 is inside and be equipped with upper and lower two, extension board 10 is located the inside one end of backing plate 9 is equipped with slider 13, slider 13 locates extension board 10 both sides, the inside spout that holds extension board 10 with slider 13 passed through that is equipped with of backing plate 9, extension board 10 with slider 13 is in the inside sliding connection of backing plate 9, extension board 10 is L shape, extension board 10 is located the bottom of backing plate 9 outside one side with backing plate 9 bottom is on same horizontal line, backing plate 9 internally connected with fixing bolt 14, fixing bolt 14 extends to backing plate 9 is inside and be connected with each extension board 10, extension board 10 can be at backing plate 9 inside removal to conveniently accomodate or pull out extension board 10 and use, fixing bolt 14 can be fixed extension board 10 inside backing plate 9, prevents that extension board 10 from moving out in backing plate 9 is inside automatically.

Example 2: referring to fig. 2-4, the difference between the present embodiment and embodiment 1 is that: the extension board 10 one end internally connected has pull rod 15, pull rod 15 is T shape, pull rod 15 imbeds in inside extension board 10 and in the inside sliding connection of extension board 10, pull rod 15 is located the inside one end of extension board 10 is equipped with stopper 16, the pull rod 15 other end is equipped with handle two 17, extension board 10 one end is equipped with fastening bolt 18, fastening bolt 18 one end with pull rod 15 is contradicted, and pull rod 15 can follow extension board 10 inside and pull out to support subaerial to can increase extension board 10's holding area and holding range, and then improve backing plate 9's holding area and holding range.

The working principle of the utility model is as follows: when the excavator is used, the hydraulic ejector rod 3 is started firstly, the hydraulic ejector rod 3 drives the supporting leg 6 to rotate on the second support 7 to turn downwards, when the base plate 9 is in contact with the ground, the hydraulic ejector rod 3 is closed, the fixing bolt 14 is taken down, then the first pull handle 11 is pulled to pull the extension plate 10 out of the base plate 9, then the fastening bolt 18 is loosened, then the second pull handle 17 is pulled to pull the pull rod 15 out of the extension plate 10, then the hydraulic ejector rod 3 is started again, and when the supporting leg 6 and the base plate 9 support one side of the excavator and hang in the air, the hydraulic ejector rod 3 is closed, so that the base plate 9, the extension plate 10 and the pull rod 15 are stably supported on the ground.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a landing leg structure for backhoe loader, includes supporting seat (1), its characterized in that: the novel support is characterized in that a first support seat (2) is fixedly connected to one side of the support seat (1), a first hydraulic ejector rod (3) is connected to the inner portion of the first support seat (2), one end of the first hydraulic ejector rod (3) is connected with a positioning seat (4), the bottom of the positioning seat (4) is fixedly connected with a base (5), a supporting leg (6) is fixedly connected to one side of the upper portion of the base (5), the other end of the supporting leg (6) is connected to the inner portion of a second support seat (7), triangular plates (8) are connected to two sides of the base (5), a base plate (9) is fixedly connected to the bottom of the triangular plates (8), an extension plate (10) is connected to the inner portion of the base plate (9), and a first handle (11) is arranged on one side of the upper portion of the extension plate (10).

2. The leg structure for an excavating loader according to claim 1, wherein: the hydraulic support is characterized in that a first support (2) and a second support (7) are respectively provided with a fixed shaft in the positioning seat (4), two ends of the hydraulic ejector rod (3) are respectively connected with the first support (2) and the positioning seat (4) in a rotating mode, and the supporting legs (6) are connected with the second support (7) in a rotating mode.

3. The leg structure for an excavating loader according to claim 1, wherein: the number of the triangular plates (8) is two, the triangular plates are symmetrically arranged on two sides of the base (5), a rotating shaft (12) is connected inside the base (5) in a penetrating manner, the rotating shaft (12) penetrates through the triangular plates (8), and the triangular plates (8) are connected with the base (5) in a rotating manner through the rotating shaft (12).

4. The leg structure for an excavating loader according to claim 1, wherein: extension board (10) connect in inside and be equipped with upper and lower two of backing plate (9), extension board (10) are located the inside one end of backing plate (9) is equipped with slider (13), slider (13) are located extension board (10) both sides, backing plate (9) are inside to be equipped with hold extension board (10) with the spout that slider (13) passed through, extension board (10) with slider (13) are in the inside sliding connection of backing plate (9).

5. The leg structure for an excavating loader according to claim 1, wherein: the extension board (10) is L-shaped, the bottom that extension board (10) are located backing plate (9) outside one side with backing plate (9) bottom is on same horizontal line, backing plate (9) internal connection has fixing bolt (14), fixing bolt (14) extend to backing plate (9) inside and with each extension board (10) are connected.

6. The leg structure for an excavating loader according to claim 1, wherein: extension board (10) one end internally connected has pull rod (15), pull rod (15) are T shape, pull rod (15) imbed in extension board (10) are inside and be in extension board (10) inside sliding connection, pull rod (15) are located extension board (10) inside one end is equipped with stopper (16), the pull rod (15) other end is equipped with handle two (17), extension board (10) one end is equipped with fastening bolt (18), fastening bolt (18) one end with pull rod (15) conflict.