Wood chip grab bucket
By designing a wood chip grab, the hydraulic rotary motor and synchronous linkage are used to achieve rotation and expansion of the grab, combined with the grate frame structure, the problem of low efficiency of chip bagging and handling is solved, the operation flexibility and work efficiency are improved, and the operational flexibility and work efficiency are reduced. Labor intensity and dust exposure risk.
Patent Information
- Application Number
- CN202420244682.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-01-31
AI Technical Summary
In forestry and wood processing, the labor intensity, low efficiency and harsh dust environment affect workers' health during the bagging and handling of wood chips.
A wood chip grab is designed, including connecting seats, brackets, rotary components and telescopic components. It adopts a hydraulic rotary motor and synchronous connecting rod to realize the 360-degree rotation and telescopic functions of the grab. It combines the grate frame and grate strip structure to adapt to different Operational requirements.
It improves the efficiency of wood chip loading, reduces labor intensity, realizes the work process of one-person operation, reduces the risk of dust exposure, and improves work efficiency and operation flexibility.
Smart Images

Figure CN222204548U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grab buckets, in particular to a wood chip grab bucket. Background Art
[0002] At present, a large amount of sawdust, wood chips or wood dust is often produced in forestry processing. In order to transport them, a large number of manpower is often used to bag them or shovel them onto conveyor belts for loading. Although conveyor belts are used to assist in transportation, the labor intensity is high and the efficiency is relatively low. In addition, there is a lot of dust during bagging and the working environment is poor, which seriously affects the health of workers.
[0003] How to operate more flexibly, realize the bagging, transportation and transfer of wood chips or sawdust, and improve the transportation efficiency has become a major issue in the industry.
[0004] Therefore, those skilled in the art provide a wood chip grab to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a wood chip grab bucket.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0007] A wood chip grab comprises a connecting seat, a bracket, a rotating assembly, a telescopic assembly and a grab, wherein the connecting seat is connected and mounted on the bracket, the rotating assembly is arranged between the connecting seat and the bracket, one end of the telescopic assembly is connected to the bracket, and the other end is connected to the grab, and the grab comprises a symmetrically arranged left grab and a right grab, and the left grab and the right grab are in a grate shape.
[0008] Preferably, the slewing assembly includes a hydraulic slewing motor, a central slewing joint and a slewing bearing, the slewing bearing is arranged between the connecting seat and the bracket, a driving stop is provided on the slewing bearing, the central slewing joint is connected to the slewing bearing, and the hydraulic slewing motor is installed at the driving stop of the slewing bearing.
[0009] Preferably, the slewing bearing includes a supporting plate and an external gear, the supporting plate is connected to the connecting seat, a driving stop and a through hole are provided on the supporting plate, the hydraulic slewing motor is connected to the external gear of the slewing bearing through the driving stop, and the center slewing joint is arranged on the through hole.
[0010] Preferably, the grab bucket includes a grate frame, grate bars and a connecting piece, the grate frame includes a connecting rod, a left side plate and a right side plate, the left side plate and the right side plate are respectively arranged at both ends of the connecting rod; there are a plurality of grate bars, each of which has an arc-shaped structure, and the grate bars are evenly arranged in the grate frame; the connecting piece is arranged on the connecting rod.
[0011] Preferably, it further comprises a connecting plate, wherein there are two or more connecting plates, one end of the connecting plate is connected to the left side plate, and the other end passes through the grate bar and is connected to the right side plate.
[0012] Preferably, a plurality of long through holes are provided on the left side plate and the right side plate.
[0013] Preferably, the telescopic assembly includes a hydraulic cylinder and a synchronous connecting rod, and both ends of the hydraulic cylinder are connected to the grab buckets on both sides of the bracket through an axle pin and a connecting piece; the synchronous connecting rod is connected to the grab buckets on both sides of the bracket through an axle pin.
[0014] The utility model has the following beneficial effects due to the adoption of the above technical solution:
[0015] (1) The wood chip grab bucket of the utility model adopts a grate bar form, which reduces the weight and makes it easier to insert into the wood chip pile and grab the wood chips; the wood chip grab bucket has a capacity of 2-3 cubic meters, which can greatly improve the loading efficiency;
[0016] (2) The wood chip grab bucket of the utility model is used in conjunction with an excavator, which has better adaptability to the site of use and is more flexible to use. One person and one machine can complete the entire work process, avoiding a large amount of manpower for bagging or shoveling the wood chips onto a conveyor belt for loading, effectively reducing labor intensity and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 It is a schematic diagram of the rotary assembly of the utility model;
[0019] Figure 3 It is a schematic diagram of the grab bucket of the utility model;
[0020] Figure 4 It is a simplified view of the utility model;
[0021] Figure 5 It is a closed state diagram of the utility model;
[0022] In the attached drawings, 1-right grab, 2-left grab, 3-bracket, 4-connecting seat, 5-hydraulic slewing motor, 6-center slewing joint, 7-slewing bearing, 8-synchronous connecting rod, 9-hydraulic cylinder, 10-support plate, 11-driving stop, 101-connecting rod, 102-left plate, 103-right plate, 104-grate bar, 105-connecting plate, 106-long through hole, 107-connecting piece DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail with reference to the accompanying drawings and preferred embodiments. However, it should be noted that many details listed in the specification are only for the purpose of enabling the reader to have a thorough understanding of one or more aspects of the present invention, and these aspects of the utility model can be realized even without these specific details.
[0024] Example 1
[0025] like Figure 1 As shown, a wood chip grab comprises a connecting seat 4, a bracket 3, a rotating assembly, a telescopic assembly and a grab, wherein the connecting seat 4 is connected and mounted on the bracket 3, the connecting seat 4 is connected to the front end of the excavator working arm, the rotating assembly is arranged between the connecting seat and the bracket 3, one end of the telescopic assembly is connected to the bracket 3, and the other end is connected to the grab, and the grab comprises a symmetrically arranged left grab 2 and a right grab 1, and the left grab 2 and the right grab 1 are in the shape of a grate.
[0026] like Figure 2 As shown, the slewing assembly includes a hydraulic slewing motor 5, a center slewing joint 6 and a slewing bearing 7, the slewing bearing 7 is arranged between the connecting seat 4 and the bracket 3, the slewing bearing 7 is provided with a driving stop 11, the center slewing joint 6 is connected to the slewing bearing 7, and the hydraulic slewing motor 5 is installed at the driving stop 11 of the slewing bearing 7; the slewing bearing 7 includes a supporting plate 10 and an external gear, the supporting plate 10 is connected to the connecting seat 4, the supporting plate 10 is provided with a driving stop 11 and a through hole, the hydraulic slewing motor 5 is connected to the external gear of the slewing bearing 7 through the driving stop 11, the center slewing joint is arranged on the through hole, when the hydraulic slewing motor 5 is started, the hydraulic motor drives the slewing bearing 7 to rotate, thereby driving the bracket 3 and the grab bucket to rotate 360° through the external gear of the slewing bearing 7. The center swivel joint 6 is used to connect the hydraulic pipelines of relatively fixed parts and rotating parts to avoid the entanglement of pipelines during rotation when using hose connections. Specifically, in the wood chip grab, the oil pipe led out from the excavator is connected to the upper interface of the center swivel joint at the center of the connecting seat 4 (relative to the excavator, the connecting seat is a fixed component), and the lower interface of the center swivel joint 6 is connected to the hydraulic oil pipe (relative to the excavator, the bracket, cylinder, left grab and right grab are rotating components).
[0027] like Figure 3-5As shown, the grab bucket includes a grate frame, grate bars 104 and a connecting piece 107. The grate frame includes a connecting rod 101, a left side plate 102 and a right side plate 103. The left side plate 102 and the right side plate 103 are respectively arranged at both ends of the connecting rod 101; the grate bars 104 are a plurality of grate bars 104, and the grate bars 104 are in an arc-shaped structure. The grate bars 104 are evenly arranged in the grate frame; the connecting piece 107 is arranged on the connecting rod 101; the connecting plate 103 ... 05 is 2 or more, one end of the connecting plate 105 is connected to the left side plate 102, and the other end is connected to the right side plate 103 after passing through the grate bar 104; a plurality of long through holes 106 are provided on the left side plate 102 and the right side plate 103; the telescopic assembly includes a hydraulic cylinder 9 and a synchronous connecting rod 8, and the two ends of the hydraulic cylinder 9 are connected to the grab buckets on both sides of the bracket 3 through an axle pin and a connecting piece 107; the synchronous connecting rod 8 is connected to the grab buckets on both sides of the bracket 3 through an axle pin.
[0028] The wood chip grab of the utility model is connected to the front end of the working arm of the excavator through a connecting seat 4, the bracket 3 is hinged with the right grab 1 and the left grab 2 through a pin shaft, and the two ends of the synchronous connecting rod 8 and the hydraulic cylinder 9 are respectively hinged with the right grab 1 and the left grab 2 through a pin shaft; the hydraulic cylinder 9 drives the right grab 1 and the left grab 2 to close or open, and the synchronous connecting rod 8 synchronizes the movements of the two connected grabs, and the hydraulic rotary motor 5 drives the rotary bearing 7 to make the bracket 3 and the grab do rotary motion.
[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.
Claims
1. A wood chip grab bucket, characterized by: The utility model comprises a connecting seat, a bracket, a rotating assembly, a telescopic assembly and a grab bucket. The connecting seat is connected and installed on the bracket. The rotating assembly is arranged between the connecting seat and the bracket. One end of the telescopic assembly is connected to the bracket, and the other end is connected to the grab bucket. The grab bucket comprises a symmetrically arranged left grab bucket and a right grab bucket. The left grab bucket and the right grab bucket are in the shape of a grate.
2. The wood chip grab bucket according to claim 1, characterized in that: The slewing assembly includes a hydraulic slewing motor, a central slewing joint and a slewing bearing. The slewing bearing is arranged between a connecting seat and a bracket. A driving stop is arranged on the slewing bearing. The central slewing joint is connected to the slewing bearing. The hydraulic slewing motor is installed at the driving stop of the slewing bearing.
3. The wood chip grab bucket according to claim 2, characterized in that: The slewing bearing includes a support plate and an external gear, the support plate is connected to the connecting seat, a driving stop and a through hole are provided on the support plate, the hydraulic slewing motor is connected to the external gear of the slewing bearing through the driving stop, and the central slewing joint is arranged on the through hole.
4. The wood chip grab bucket according to claim 1, characterized in that: The grab bucket includes a grate frame, grate bars and a connecting piece. The grate frame includes a connecting rod, a left side plate and a right side plate. The left side plate and the right side plate are respectively arranged at both ends of the connecting rod. There are a plurality of grate bars, which are in an arc-shaped structure and are evenly arranged in the grate frame. The connecting piece is arranged on the connecting rod.
5. The wood chip grab bucket according to claim 4, characterized in that: It also includes connecting plates, which are 2 or more in number. One end of the connecting plate is connected to the left side plate, and the other end is connected to the right side plate after passing through the grate bar.
6. The wood chip grab bucket according to claim 4, characterized in that: The left side plate and the right side plate are provided with a plurality of long through holes.
7. The wood chip grab bucket according to claim 1, characterized in that: The telescopic assembly comprises a hydraulic cylinder and a synchronous connecting rod. Both ends of the hydraulic cylinder are connected to the grab buckets on both sides of the bracket through an axle pin and a connecting piece; the synchronous connecting rod is connected to the grab buckets on both sides of the bracket through an axle pin.
