CN221441614U - Bucket rack and wheel excavator - Google Patents

Abstract

The utility model relates to a bucket rack, which aims to solve the problem that an existing bucket rack is inconvenient to place by a quick-change device, and the bucket rack and a wheel type excavator are constructed. The bucket rack can be connected with the bucket rack when the bucket is not connected with the quick-change device, so that a good fixing effect is achieved.

Description

Bucket rack and wheel excavator

Technical Field

The present utility model relates to a bucket rack, and more particularly, to a bucket rack and a wheel type excavator having a quick change device fixing function.

Background

The main attachment of the excavator is a bucket, but to achieve other functions, the bucket is usually replaced with a corresponding attachment. In order to achieve quick replacement of the attachments in the excavator working device, the attachments are usually connected to the excavator working device through quick replacement devices. The quick-change device is provided with a first fixed clamping hook and a clamping hook component which are connected with the accessory, the accessory is provided with a first shaft and a second shaft which are connected with the quick-change device, and the first shaft and the second shaft are mutually parallel. When the accessory is connected with the quick-change device, the first shaft is embedded into the first fixed clamping hook, and then the second shaft is connected through the clamping hook component.

Compared with crawler-type excavators, the wheel-type excavator has a faster running speed, and the attachment of the working device needs to be fixed during running. Existing wheel type excavators are usually provided with bucket racks for fixing buckets. When the accessory arranged on the excavator is not a bucket or the quick change device is not provided with the accessory, the excavator is inconvenient to fix the working device.

Disclosure of utility model

The utility model aims to solve the technical problem that the existing bucket rack is inconvenient to put by a quick-change device, and provides the bucket rack with the quick-change device fixing function and the wheel excavator.

The technical scheme for achieving the purpose of the utility model is as follows: the bucket rack comprises a base, two bucket shelving plates with first ends fixedly connected with the base, the two bucket shelving plates are arranged in parallel at intervals and are in mirror symmetry with the middle surface of the base, two connecting pin shafts which can be correspondingly connected with the first fixed hooks and the hook assemblies are arranged on the two bucket shelving plates, two ends of the two connecting pin shafts are correspondingly fixedly connected with the two bucket shelving plates, and at least one connecting pin shaft is a detachable mounting pin shaft which is installed in a plug-in fixed mode.

According to the utility model, the bucket rack can be connected with the quick-change device of the excavator, so that the quick-change device can be connected with the bucket rack when no accessory is connected to the quick-change device, and the accessory end of the working device is fixed when the wheel type excavator runs.

In the bucket rack, the connecting pin shaft used for being connected with the first fixed clamping hook is a detachable mounting pin shaft. Further, the connecting pin shaft used for being connected with the clamping hook component is a non-detachable mounting pin shaft. The non-detachable mounting pin shaft is used for connecting the clamping hook component and simultaneously also plays a role of connecting the two bucket shelving boards so as to increase the strength of the bucket rack.

In the bucket rack, at least one of two ends of the detachable mounting pin shaft is provided with the fixed sleeve, the fixed sleeve is fixed on the outer side of the bucket shelving plate, the end part of the detachable mounting pin shaft is positioned in the fixed sleeve, and the radial inserting limiting pin is arranged between the fixed sleeve and the detachable mounting pin shaft.

In the bucket rack, at least one supporting rod is arranged between two bucket shelving plates, and two ends of the supporting rod are welded with the corresponding bucket shelving plates. And a supporting rod is arranged for enhancing the strength of the bucket rack.

In the bucket rack, the second ends of the two bucket rest plates are provided with the bucket bottom contact plates for being abutted against the bucket bottoms, the bucket bottom contact plates are vertically arranged with the bucket rest plates, and the upper ends of the bucket bottom contact plates incline towards the first end direction of the bucket rest plates. Further, a reinforcing rib is welded between the outer side of the bucket rest plate and the bucket bottom contact plate.

In the bucket rack, the second end of the bucket rest plate is higher than the first end.

In the bucket rack, the base comprises mounting plates which are vertically arranged and welded with the two bucket shelving plates.

The technical scheme for achieving the purpose of the utility model is as follows: a wheel excavator is constructed which has the bucket rack described above, and the bucket rack is fixedly mounted at the frame end of the lower body of the excavator.

Compared with the prior art, the bucket rack can be connected with the bucket rack when the bucket is not connected with the quick-change device, and a good fixing effect is achieved.

Drawings

Fig. 1 is a schematic structural view of a quick-change device for an excavator.

Fig. 2 is a schematic view of a bucket rack according to the present utility model.

Fig. 3 is a schematic diagram of a bucket rack according to the present utility model.

Fig. 4 is a diagram showing a state in which the bucket rack is connected with the quick-change device.

Fig. 5 is a second view showing a state in which the bucket rack is connected to the quick-change device.

Fig. 6 is a view showing a state in which a bucket rack is connected to a bucket in the present utility model.

Fig. 7 is a schematic view of a structure of a wheel excavator according to the present utility model.

Part names and serial numbers in the figure:

Arm 10, bucket cylinder 11, rotating bucket link 12, bucket 13, and frame 14.

The quick-change device 20, the main body 21, the first fixed hook 22, the hook component 23, the second fixed hook 231 and the movable hook 232.

Bucket rack 30, base 41, mounting plate 31, bucket rest plate 32, first connecting pin 33, second connecting pin 34, support bar 35, reinforcing plate 36, bucket bottom contact plate 37, reinforcing rib 38, fixing sleeve 39, and limit pin 40.

Detailed Description

The following describes specific embodiments with reference to the drawings.

The present embodiment discloses a bucket rack 30 with a quick-change device fixing function. The quick change device 20 is mounted on a working device of the excavator for quick connection of different attachments. As shown in fig. 1, the quick-change device 20 includes a main body 21, the main body 21 is connected to the arm 10 through a pin, and is connected to the bucket cylinder 11 through a pin and a rotating bucket link 12, and the bucket cylinder 11 stretches to push the quick-change device 20 to rotate around the end of the arm 10.

The quick-change device 20 comprises a hook assembly 23, wherein the hook assembly 23 comprises a second fixed hook 231 arranged on the main body 21 and a movable hook 232 arranged on the main body 21. The movable hook 232 can rotate relative to the second fixed hook 231, and is matched with the second fixed hook 231 to form a closed hole so as to radially fix the pin shaft in the groove of the second fixed hook 231, or rotate to avoid the opening of the second fixed hook 231, so that the pin shaft in the groove of the second fixed hook 231 can translate and move out from the opening of the groove of the second fixed hook 231.

The main body 21 of the quick-change device 20 is provided with a first fixed hook 22, and the pin shaft can translate from the opening of the first fixed hook 22 into the groove of the first fixed hook 22. The quick-change device 20 is connected with the accessory through the first fixed hook 22 and the hook component 23, specifically, the posture of the quick-change device 20 is adjusted to enable a connecting pin shaft on the accessory to enter the groove of the first fixed hook 22, then the posture of the quick-change device 20 is adjusted again to enable another connecting pin shaft of the accessory to enter the groove of the second fixed hook 231 from the opening of the second fixed hook 231, the opening of the groove of the second fixed hook 231 is closed by rotating the movable hook 232, the hook component 23 and the first fixed hook 22 are mutually matched and limited, so that the connecting pin shaft of the accessory cannot be separated from the grooves of the first fixed hook 22 and the second fixed hook 231, and the quick-change device 20 is connected with the accessory. When the quick-change device 20 is disconnected from the accessory, the movable hook 232 is rotated first and the connecting pin in the groove of the first fixed hook 22 is removed, so that the connecting pin in the groove of the second fixed hook 231 can be removed.

As shown in fig. 2 and 3, the bucket rack 30 includes a base 41, two bucket rest plates 32 with first ends fixedly connected with the base, the two bucket rest plates 32 are arranged in parallel at intervals and are mirror-symmetrical with respect to a middle plane of the base 41, and two connecting pins capable of being correspondingly connected with the first fixing hook 22 and the hook assembly 23 are installed on the two bucket rest plates 32, namely a first connecting pin 33 and a second connecting pin 34. The two ends of the first connecting pin 33 and the second connecting pin 34 are correspondingly and fixedly connected with the two bucket rest plates 32, and at least one connecting pin of the two connecting pins is a detachable mounting pin which is mounted in a plug-in and fixing mode.

Optionally, the second connecting pin 34 is a detachable mounting pin, which is used to connect with the first fixing hook 22. The first connecting pin 33 is a non-detachable mounting pin for connecting with the hook assembly 23. The first connecting pin 33 serves to connect the two bucket rest plates 32 while being used to connect the hook assembly 23 so as to increase the strength of the bucket rest 30. In some embodiments, both the first connection pin 33 and the second connection pin 34 may be detachably mounted pins. The detachable mounting pin shaft means that the connecting pin shaft can be detached or installed manually or by means of a general bolt mounting tool such as a spanner, a vice or the like. The non-detachable mounting pin shaft is connected with the connecting pin shaft in a manner of welding, riveting, interference fit and the like, wherein the connecting pin shaft cannot be detached by hand, and the disassembling of the non-detachable mounting pin shaft can damage corresponding parts by means of special tools or disassembly.

At least one of the two ends of the second connecting pin 34 is provided with a fixing sleeve 39, the fixing sleeve 39 is fixed on the outer side of the bucket rest plate 32, the end of the second connecting pin 34 is positioned in the fixing sleeve 39, and a limiting pin 40 which is inserted radially is arranged between the fixing sleeve 39 and the second connecting pin 34.

Optionally, at least one support rod 35 is disposed between the two bucket rest plates 32, and both ends of the support rod 35 are welded to the corresponding bucket rest plates 32. A support bar 35 is provided for reinforcing the strength of the bucket rack.

As shown in fig. 2, the second ends of the two bucket rest plates 32 are provided with bucket bottom contact plates 37 for abutting against the bucket bottom, the bucket bottom contact plates 37 are arranged perpendicularly to the bucket rest plates 32, the upper ends of the bucket bottom contact plates 37 are inclined toward the first end of the bucket rest plates 32, and reinforcing ribs 38 are welded between the outer sides of the bucket rest plates 32 and the bucket bottom contact plates 37.

The second end of the bucket rest plate 32 is higher than the first end to facilitate the connection of the bucket rack to the quick change device 20.

The base 41 includes a mounting plate 31, the mounting plate 31 being arranged in a vertical shape and welded to first ends of the two bucket rest plates 32, and a reinforcing plate 36 being welded between the mounting plate 31 and the bucket rest plates 32 to reinforce the connection strength between the mounting plate 31 and the bucket rest plates 32.

The present embodiment also provides a wheel excavator having the aforementioned bucket rest 30, wherein the bucket rest 30 is fixedly mounted to the end of the frame 14 of the lower body of the excavator through the base 41 thereof.

The bucket rack in this embodiment can be used to fix the quick-change device 20, as shown in fig. 4 and 5, when the bucket 13 is not connected to the quick-change device 20, the quick-change device 20 can be connected and fixed below the bucket rack 30, and the connection process is as follows: the second connecting pin 34 is detached from the quick-change device 20, the movable hook 232 in the quick-change device 20 is moved to open the groove opening of the second fixed hook 231, the posture of the quick-change device 20 is moved and adjusted to enable the first connecting pin 33 to enter the groove of the second fixed hook 231, the first fixed hook 22 is aligned with the mounting hole of the second connecting pin 34 on the bucket rest plate 32, the movable hook 232 is rotated to seal the groove opening of the second fixed hook 231, the second connecting pin 34 is inserted into the mounting hole and penetrates into the groove of the first fixed hook 22, the limiting pin 40 is used for connecting the fixed sleeve 39 and the second connecting pin 34, and the second connecting pin 34 is prevented from loosening. The quick-change device 20 is fixedly connected to the bucket rack 30 of the wheel excavator, as shown in fig. 7, so as to ensure the safety of the wheel excavator during walking.

When the quick-change device 20 is disconnected from the bucket rack 30, the second connecting pin 34 is removed, the movable hook 232 is rotated to open the second fixed hook 231, the groove opening of the second fixed hook 231 is opened, and the posture of the quick-change device 20 is adjusted, so that the first connecting pin 33 is separated from the groove of the second fixed hook 231.

When the bucket is mounted to the quick-change device, as shown in fig. 6, the posture of the bucket is adjusted, and the bottom of the bucket 13 is connected against the bottom contact plate 37 of the bucket rack 30.

Claims (10)

1. The bucket rack is characterized by having a fixing function of a quick-change device, the quick-change device is provided with a first fixing hook and a hook component which are used for connecting accessories, the bucket rack comprises a base, two bucket shelving plates with first ends fixedly connected with the base, the two bucket shelving plates are arranged in parallel at intervals and are in mirror symmetry relative to the middle plane of the base, two connecting pin shafts which can be correspondingly connected with the first fixing hook and the hook component are arranged on the two bucket shelving plates, two ends of the two connecting pin shafts are correspondingly fixedly connected with the two bucket shelving plates, and at least one connecting pin shaft is a detachable mounting pin shaft which is installed in a plug-pull fixing mode.

2. The bucket rack of claim 1 wherein the connection pin for connection with the first fixed catch is a removable mounting pin.

3. The bucket rack of claim 2 wherein the connection pin for connection to the catch assembly is a non-removable mounting pin.

4. A bucket rack according to any one of claims 1 to 3, wherein a fixed sleeve is provided at least one of the two ends of the removable mounting pin, the fixed sleeve being fixed to the outside of the bucket rest plate, the end of the removable mounting pin being located in the fixed sleeve, a radial cartridge stop pin being provided between the fixed sleeve and the removable mounting pin.

5. A bucket rack according to any one of claims 1 to 3, wherein at least one support bar is provided between two of the bucket rest plates, both ends of the support bar being welded to the corresponding bucket rest plates.

6. A bucket rack according to any one of claims 1 to 3, wherein the second ends of the two bucket rest plates are provided with a bucket bottom contact plate for abutment with a bucket bottom, the bucket bottom contact plate being arranged perpendicularly to the bucket rest plate and the upper ends of the bucket bottom contact plates being inclined in the direction of the first ends of the bucket rest plates.

7. The bucket rack of claim 6 wherein a reinforcing rib is welded between the outside of the bucket rest plate and the bucket bottom contact plate.

8. A bucket rack according to any one of claims 1 to 3 wherein the bucket rest plate second end is higher in height than the first end.

9. A bucket rack according to any one of claims 1 to 3 wherein the base comprises a mounting plate arranged vertically and welded to two bucket rest plates.

10. A wheeled excavator characterized by having a bucket rack as defined in any one of claims 1 to 9 fixedly mounted to a frame end of a lower body of the excavator.