Single-pressing-rod long wood grab bucket
By designing a single-pressure rod long wood grab, the long logs are pressed to balance at both ends by using the pressurization rod assembly, the problem of low clamping and handling efficiency of long logs is solved, and more efficient loading and unloading operations and more flexible use is achieved.
Patent Information
- Application Number
- CN202420244695.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-01-31
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-01-31
AI Technical Summary
In the loading and unloading of forestry industry, the clamping and handling efficiency of long logs is low, and a large moving space is required to adjust the center of gravity, resulting in inconvenient operation and inefficient efficiency.
A single-pressure rod long wooden grab is designed, including a connecting seat, a bracket, a rotary assembly, a press rod assembly and a grab assembly. The wood is pressed to balance at both ends through the pressurization rod assembly, which is convenient for loading and unloading off the ground.
It realizes the quick and easy clamping and handling of long logs, improves the efficiency and operation flexibility of loading and unloading trucks, and has better adaptability, and can complete the work process by one person and one machine.
Smart Images
Figure CN222475931U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of grab buckets, in particular to a single-pressure-bar long-wood grab bucket. Background Art
[0002] In the forestry industry, it is often required to load and transport long logs (10-15 meters) in one piece. Common wood clamps need to move the machine to find the center of gravity of the log to ensure that the long log is balanced when clamped. Moving the machine back and forth and rotating it to ensure the balance of the long log and adjust the direction of the log all require a large space for movement, which is very inconvenient for loading and unloading vehicles and has low efficiency.
[0003] How to operate more flexibly, realize the quick and easy clamping and handling of long logs, and improve the handling efficiency has become a major problem in the industry.
[0004] Therefore, those skilled in the art provide a single-pressure-bar long log grab to solve the above problems. Utility Model Content
[0005] The utility model aims to provide a single-pressure-bar long log grab which is convenient for clamping long logs and is efficient and convenient for loading and unloading vehicles.
[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:
[0007] A single-pressure rod long wood grab comprises a connecting seat, a bracket, a slewing assembly, a pressure rod assembly and a grab assembly, wherein the connecting seat is connected and installed on the bracket, the slewing assembly is arranged between the connecting seat and the bracket, the grab assembly is arranged on the left and right sides of the bracket, the pressure rod assembly is arranged on the front side of the bracket, the pressure rod assembly comprises a pressure rod cylinder and a single pressure rod, one end of the pressure rod cylinder is connected to the bracket, and the other end of the pressure rod cylinder is connected to the single pressure rod.
[0008] Preferably, the single pressure rod is in a triangular fork structure.
[0009] Preferably, the grab assembly includes a three-claw grab, a four-claw grab, a first grab cylinder and a second grab cylinder, the three-claw grab and the four-claw grab are respectively arranged on the left and right sides of the bracket, one end of the first grab cylinder is connected to the bracket, and the other end is connected to the three-claw grab; one end of the second grab cylinder is connected to the bracket, and the other end is connected to the four-claw grab.
[0010] Preferably, the bracket is provided with a bracket connecting ear, one end of the second grab bucket oil cylinder is hinged to the bracket connecting ear, and the other end is hinged to the middle part of the four-claw grab bucket.
[0011] 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.
[0012] Preferably, it also includes a shift lever assembly, which is arranged on the rear side of the bracket. The shift lever assembly includes a shift lever and a shift lever connecting member, one end of the shift lever connecting member is connected to the bracket, and the other end of the shift lever connecting member is connected to the shift lever.
[0013] The utility model has the following beneficial effects due to the adoption of the above technical solution:
[0014] (1) The single-pressure-bar long log grab of the utility model has a stop bar and a pressure bar respectively arranged on both sides of the bracket. When clamping the log, there is no need to clamp the center of gravity of the log, nor is there any need to increase the lift height to lift the other end of the log off the ground. After clamping one end of the log, the pressure bar assembly can be used to apply force to press the log until both ends are balanced, thereby making it convenient to lift the log off the ground, making it easier to load and unload the truck, and having better adaptability to the construction site and more flexible use.
[0015] (2) The single-pressure-bar long log grab of the utility model, when used in conjunction with an excavator, has better adaptability to the site of use, is more flexible to use, effectively maintains the balance of the long log, and one person and one machine can complete the entire work process, effectively improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 It is a side view of the utility model;
[0018] Figure 3 It is a top view of the utility model;
[0019] Figure 4 It is the front view of the utility model;
[0020] Figure 5 It is a usage state diagram of the utility model;
[0021] In the attached drawings, 1- bracket, 2- four-claw grab, 3- three-claw grab, 4- single pressure rod, 5- connecting seat, 6- first grab cylinder, 7- pressure rod cylinder, 8- hydraulic slewing motor, 9- slewing bearing, 10- slewing center joint, 11- bracket connecting ear, 12- gear rod, 13- gear rod connecting piece, 14- long log, 15- second grab cylinder DETAILED DESCRIPTION
[0022] 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.
[0023] Example 1
[0024] like Figure 1 As shown, a single-pressure rod long wood grab comprises a connecting seat 5, a bracket 1, a slewing assembly, a pressure rod assembly and a grab assembly, wherein the connecting seat 5 is connected and installed on the bracket 1, the connecting seat 5 is connected to the front end of the excavator working arm, the slewing assembly is arranged between the connecting seat 5 and the bracket 1, the grab assembly is arranged on the left and right sides of the bracket 1, the pressure rod assembly is arranged on the front side of the bracket 1, the pressure rod assembly comprises a pressure rod cylinder 7 and a single pressure rod 4, one end of the pressure rod cylinder 7 is connected to the bracket 1, and the other end of the pressure rod cylinder 7 is connected to the single pressure rod 4, the single pressure rod 4 is a triangular fork structure, and the triangular fork structure is used to facilitate clamping of long round logs.
[0025] like Figure 2 As shown, the grab assembly includes a three-claw grab 3, a four-claw grab 2, a first grab cylinder 6 and a second grab cylinder 15. The three-claw grab 3 and the four-claw grab 2 are respectively arranged on the left and right sides of the bracket 1, one end of the first grab cylinder 6 is connected to the bracket 1, and the other end is connected to the three-claw grab 3; one end of the second grab cylinder 15 is connected to the bracket 1, and the other end is connected to the four-claw grab 2; a bracket connecting ear 11 is provided on the bracket 1, one end of the second grab cylinder 15 is hinged to the bracket connecting ear 11, and the other end is hinged to the middle part of the four-claw grab 2 through a pin shaft.
[0026] like Figure 2-4 As shown, the slewing assembly includes a hydraulic slewing motor 8, a center slewing joint 10 and a slewing bearing 9, wherein the slewing bearing 9 is arranged between the connecting seat 5 and the bracket 1, and a driving stop is arranged on the slewing bearing 9. The center slewing joint 10 is connected to the slewing bearing 9, and the hydraulic slewing motor 8 is installed at the driving stop of the slewing bearing 9. The use of the hydraulic slewing motor 8 with a braking function can make the grab bucket 360° rotate and the angle control accurate; it also includes a gear lever assembly, which is arranged on the rear side of the bracket 1, and the gear lever assembly includes a gear lever 12 and a gear lever connecting member 13, one end of the gear lever connecting member is connected to the bracket 1, and the other end of the gear lever connecting member is connected to the gear lever 12. The gear lever assembly can prevent the long logs from tilting up.
[0027] like Figure 5As shown, the single-pressure rod long log grab of the utility model is connected to the front end of the excavator working arm through a connecting seat 5, the bracket 1 is hinged with the four-claw grab 2, the three-claw grab 3, and the single pressure rod 4 through a pin shaft, the first grab cylinder 6 drives the three-claw grab 3 to close or open, the second grab cylinder 15 drives the four-claw grab 4 to close or open, the pressure rod cylinder 7 drives the single pressure rod to lift or press down the clamped long log, so that the clamped long log keeps the center of gravity balanced, and the hydraulic rotary motor 8 drives the rotary bearing 9 to make the bracket and the grab do rotary motion.
[0028] The single-pressure-bar long log grab bucket of the utility model is used in conjunction with an excavator, has better adaptability to use sites, is more flexible to use, and effectively maintains the balance of the long log.
[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 single-bar long log grab, characterized in that: It includes a connecting seat, a bracket, a rotating assembly, a pressure rod assembly and a grab assembly, the connecting seat is connected and installed on the bracket, the rotating assembly is arranged between the connecting seat and the bracket, the grab assembly is arranged on the left and right sides of the bracket, the pressure rod assembly is arranged on the front side of the bracket, and the pressure rod assembly includes a pressure rod cylinder and a single pressure rod, one end of the pressure rod cylinder is connected to the bracket, and the other end of the pressure rod cylinder is connected to the single pressure rod.
2. The single-pressure-bar long log grab according to claim 1, characterized in that: The single pressure rod is in a triangular fork structure.
3. The single-pressure-bar long log grab according to claim 1, characterized in that: The grab bucket assembly includes a three-claw grab bucket, a four-claw grab bucket, a first grab bucket cylinder and a second grab bucket cylinder. The three-claw grab bucket and the four-claw grab bucket are respectively arranged on the left and right sides of the bracket. One end of the first grab bucket cylinder is connected to the bracket, and the other end is connected to the three-claw grab bucket; one end of the second grab bucket cylinder is connected to the bracket, and the other end is connected to the four-claw grab bucket.
4. The single-pressure-bar long log grab according to claim 3, characterized in that: The bracket is provided with a bracket connecting ear, one end of the second grab bucket oil cylinder is hinged to the bracket connecting ear, and the other end is hinged to the middle part of the four-claw grab bucket.
5. The single-pressure-bar long log grab 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.
6. The single-pressure-bar long log grab according to claim 5, characterized in that: It also includes a shift lever assembly, which is arranged on the rear side of the bracket. The shift lever assembly includes a shift lever and a shift lever connecting member, one end of the shift lever connecting member is connected to the bracket, and the other end of the shift lever connecting member is connected to the shift lever.