Three-section arm structure capable of improving working efficiency
By adding rotating connectors and monitoring control systems to the excavator's excavator arm structure, the excavation difficulty problems under restricted excavation height and space limitations are solved, and more efficient excavation operations are achieved.
Patent Information
- Application Number
- CN202421785927.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-07-08
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The excavation arms of existing excavators are composed of the upper arm and forearm. The excavation height is limited, which makes it difficult to proceed smoothly at the excavation site, especially when space is limited, which greatly increases the difficulty of excavation, which affects work efficiency.
A three-section arm structure is designed, including a base, a first section arm piece, a second section arm piece, a rotating connector and a third section arm piece. By setting a rotating connector between the first section arm piece and the second section arm piece, the rotating member is increased, the range of movement of the large arm is increased, and the rotation angle is monitored and controlled in real time through the monitoring member.
The excavation height and range of movement of the excavator are increased, and can adapt to excavation work from multiple angles, improve work efficiency, and solve the excavation difficulty problems under restricted excavation height and space limitations.
Smart Images
Figure CN223074801U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of excavators, and particularly to a three-section boom structure for improving work efficiency. Background Art
[0002] An excavator, also known as a power shovel, is an earthmoving machine that uses a bucket to excavate materials above or below the machine's operating surface and load them into transport vehicles or unload them onto a stockpile. The materials excavated by the excavator are mainly soil, coal, sediment, as well as pre-loosened soil and rock.
[0003] During the slag scraping process, excavation is usually carried out from the bottom. However, some slag piles have a hard bottom and need to be excavated from a higher position. However, the most commonly used excavating arm at present consists of a boom and a dipper arm, and its excavation height is greatly limited. Therefore, it is often difficult to carry out the excavation work smoothly at the excavation site. Therefore, a jumbo is needed to assist the excavator. During the excavation process, due to the small excavation space, the excavation difficulty is greatly increased, which greatly affects the work efficiency.
[0004] Therefore, it is very necessary to provide a three-section boom structure for improving work efficiency to solve the above technical problems. Summary of the Utility Model
[0005] Based on the above description, the utility model provides a three-section boom structure for improving work efficiency to solve the problems that the excavation height of the excavating arm composed of a boom and a dipper arm in the prior art is greatly limited, it is often difficult to carry out the excavation work smoothly at the excavation site, and in the construction site with a small excavation space, the excavation difficulty is greatly increased, affecting the excavation efficiency.
[0006] The technical solution of the utility model for solving the above technical problems is as follows: A three-section boom structure for improving work efficiency, including a base, a first boom member, a second boom member, a rotating connecting member, a third boom member and a bucket member. The first boom member is rotatably connected to the base; the second boom member is arranged on one side of the first boom member; the rotating connecting member has a fixed end and a rotating end. The fixed end of the rotating connecting member is fixedly connected to the first boom member, and the rotating end of the rotating connecting member is fixedly connected to the second boom member. The rotating connecting member is used to make the second boom member rotate radially along the first boom member; the third boom member is rotatably connected to the second boom member; the bucket member is rotatably connected to the third boom member.
[0007] Further, the first boom member includes a first boom support base, a first boom rod, a first oil cylinder member, and a first bearing bracket. The first boom support base is fixedly connected to the base; the bottom of the first boom rod is rotatably connected to the first boom support base; at least one first oil cylinder member is provided, and the first oil cylinder member has a fixed end and a telescopic end. The fixed end of the first oil cylinder member is rotatably connected to the base; the first bearing bracket is rotatably connected to the top of the first boom rod, and the first bearing bracket is fixedly connected to the telescopic end of the first oil cylinder member.
[0008] Further, the rotating connection member includes a rotation drive. The rotation drive has a fixed end and a rotating end, and the fixed end of the rotation drive is fixedly connected to the first boom support base.
[0009] Further, the rotating connection member further includes a fixed support member. The fixed support member includes a fixed support base, a fixed support oil cylinder member, and a fixed sleeve. The fixed support base is fixedly connected to the base; the fixed support oil cylinder member has a fixed end and a telescopic end, and the fixed end of the fixed support oil cylinder member is fixedly connected to the fixed support base; one end of the fixed sleeve is provided with a U-shaped cross-section, the U-shaped end of the fixed sleeve is clamped to the first boom rod, the middle of the fixed sleeve is sleeved on the rotation drive, and the telescopic end of the fixed support oil cylinder member is rotatably connected to the fixed sleeve.
[0010] Further, a monitoring member is further included. The monitoring member includes an angle sensor and a communication unit. The angle sensor has a fixed end and a detection end. The fixed end of the angle sensor is connected to the fixed sleeve, and the detection end of the angle sensor is connected to the rotating end of the rotation drive for detecting the rotation angle of the rotation drive; the communication unit is electrically connected to the angle sensor for transmitting the signal detected by the angle sensor to the excavator driving computer.
[0011] Further, the rotating connection member further includes a rotating bearing. The rotating bearing is provided between the rotation drive and the fixed sleeve, and the inner ring of the rotating bearing is fixedly connected to the rotating end of the rotation drive.
[0012] Further, the rotating connection member further includes a first gear tooth and a second gear tooth. The first gear tooth is provided on the inner side of the fixed sleeve; the second gear tooth is provided on the outer ring of the rotating bearing, and the second gear tooth is engaged with the first gear tooth.
[0013] Further, the second boom member includes a second boom support seat and a second boom cylinder member. The second boom support seat is fixedly connected to the rotation drive, and one end of the fixed sleeve body away from the first boom rod is clamped to the second boom support seat. The second boom cylinder member has a fixed end and a telescopic end, and the fixed end of the second boom cylinder member is connected to the second boom support seat.
[0014] Further, the third boom member includes a third boom support seat, a third boom cylinder member, a linkage arm rod, and a third boom rod. The third boom support seat is rotatably connected to the second boom support seat, and the telescopic end of the second boom cylinder member is rotatably connected. The third boom cylinder member has a fixed end and a telescopic end, and the fixed end of the third boom cylinder member is rotatably connected to the third boom support seat. One end of the linkage arm rod is rotatably connected to the third boom support seat, and the other end of the linkage arm rod is rotatably connected to the third boom cylinder member. The third boom rod is rotatably connected to the third boom cylinder member.
[0015] Further, the bucket member includes a bucket, the bucket is rotatably connected to the third boom cylinder member, and the third boom rod is rotatably connected to the bucket.
[0016] Compared with the prior art, the technical solution of the present application has the following beneficial technical effects:
[0017] A rotating connecting piece is provided between the first boom member and the second boom member, and a rotating component is added between the original boom and the forearm, increasing the movement range of the forearm. That is, the movement range of the third boom member is increased. Thus, the bucket member can adapt to excavation work at various angles, improving the work efficiency. It solves the problems that the excavation height of the excavation arm composed of the boom and the forearm in the prior art is greatly limited, it is often difficult to carry out excavation work smoothly at the excavation site, and in the construction site with a small excavation space, the excavation difficulty is greatly increased, affecting the excavation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the overall structure of a three-boom structure for improving work efficiency provided by an embodiment of the present invention;
[0019] Figure 2 It is a top view of a three-boom structure for improving work efficiency provided by an embodiment of the present invention;
[0020] Figure 3 is Figure 2 a schematic cross-sectional view taken along line A-A in
[0021] Figure 4 is Figure 3 an enlarged view at B in
[0022] In the accompanying drawings, the list of components represented by each reference numeral is as follows:
[0023] 1. Base
[0024] 2. First - section arm member; 21. First - section arm support seat; 22. First - section arm rod; 23. First oil cylinder member; 24. First bearing bracket
[0025] 3. Second - section arm member; 31. Second - section arm support seat; 32. Second - section arm oil cylinder member
[0026] 4. Rotating connection member; 41. Rotating drive; 42. Fixed support member; 421. Fixed support seat; 422. Fixed support oil cylinder member; 423. Fixed sleeve; 43. Rotating bearing; 44. First engaging tooth; 45. Second engaging tooth
[0027] 5. Third - section arm member; 51. Third - section arm support seat; 52. Third - section arm oil cylinder member; 53. Linkage arm rod; 54. Third - section arm rod
[0028] 6. Bucket member; 61. Bucket
[0029] 7. Monitoring member; 71. Angle sensor; 72. Communication unit Detailed implementation manners
[0030] For ease of understanding of this application, the following will provide a more comprehensive description of this application with reference to the relevant accompanying drawings. Embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.
[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the description of this application herein are only for the purpose of describing specific embodiments and are not intended to limit this application.
[0032] It will be appreciated that spatial relationship terms such as "under", "below", "beneath", "underneath", "above", "over" etc. may be used herein to describe the relationship of one element or feature shown in the figures with other elements or features. It should be understood that, in addition to the orientation shown in the figures, spatial relationship terms also include different orientations of the device during use and operation. For example, if the device in the drawings is flipped, an element or feature described as "under other elements" or "beneath them" or "under it" will be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "beneath" can include both the upper and lower orientations. In addition, the device may also have other orientations (such as rotating 90 degrees or other orientations), and the spatial descriptors used herein are to be interpreted accordingly.
[0033] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to the other element or connected to the other element through an intermediate element. In the following embodiments, "connection", if there is a transfer of electrical signals or data between the connected circuits, modules, units, etc., should be understood as "electrically connected", "communicatively connected", etc.
[0034] As used herein, the singular forms "a", "an" and "the" may also include the plural forms unless the context clearly dictates otherwise. It should also be understood that the terms "comprise / include" or "have" etc. specify the presence of the stated features, wholes, steps, operations, components, parts or combinations thereof, but do not preclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.
[0035] As Figure 1 , Figure 2 and Figure 3 As shown, a three-section boom structure for improving work efficiency includes a base 1, a first boom member 2, a second boom member 3, a rotating connecting member 4, a third boom member 5 and a bucket member 6. The first boom member 2 is rotatably connected to the base 1; the second boom member 3 is disposed on one side of the first boom member 2; the rotating connecting member 4 has a fixed end and a rotating end. The fixed end of the rotating connecting member 4 is fixedly connected to the first boom member 2, and the rotating end of the rotating connecting member 4 is fixedly connected to the second boom member 3. The rotating connecting member 4 is used to rotate the second boom member 3 radially along the first boom member 2; the third boom member 5 is rotatably connected to the second boom member 3; the bucket member 6 is rotatably connected to the third boom member 5.
[0036] In this embodiment, during the slag scraping process, the existing digging arm usually only has a boom and an arm, and its rotation range is limited, resulting in a significant limitation on the digging height of the excavator. At the same time, due to the limited space at the digging site, the operation difficulty of the traditional excavator composed of a boom and an arm increases significantly. In this application, a rotating connecting member 4 is provided between the first arm member 2 and the second arm member 3, adding a rotating component between the original boom and arm, increasing the movement range of the arm. That is, the movement range of the third arm member 5 is increased. Thus, the bucket member 6 can adapt to excavation work at various angles, improving work efficiency.
[0037] In some embodiments, the first arm member 2 includes a first arm support base 21, a first arm rod 22, a first oil cylinder member 23, and a first bearing bracket 24. The first arm support base 21 is fixedly connected to the base 1; the bottom of the first arm rod 22 is rotatably connected to the first arm support base 21; at least one first oil cylinder member 23 is provided, and the first oil cylinder member 23 has a fixed end and a telescopic end. The fixed end of the first oil cylinder member 23 is rotatably connected to the base 1; the first bearing bracket 24 is rotatably connected to the top of the first arm rod 22, and the first bearing bracket 24 is fixedly connected to the telescopic end of the first oil cylinder member 23.
[0038] See Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown in, in some embodiments, the rotating connecting member 4 includes a rotation drive 41. The rotation drive 41 has a fixed end and a rotating end, and the fixed end of the rotation drive 41 is fixedly connected to the first arm support base 21.
[0039] In some embodiments, the rotating connecting member 4 further includes a fixed support member 42. The fixed support member 42 includes a fixed support base 421, a fixed support oil cylinder member 422, and a fixed sleeve 423. The fixed support base 421 is fixedly connected to the base 1; the fixed support oil cylinder member 422 has a fixed end and a telescopic end, and the fixed end of the fixed support oil cylinder member 422 is fixedly connected to the fixed support base 421; one end of the fixed sleeve 423 has a U-shaped cross-section, the U-shaped end of the fixed sleeve 423 is clamped to the first arm rod 22, the middle of the fixed sleeve 423 is sleeved on the rotation drive 41, and the telescopic end of the fixed support oil cylinder member 422 is rotatably connected to the fixed sleeve 423.
[0040] In this embodiment, since the rotating connecting member 4 is required to connect the first arm member 2 and the second arm member 3. Therefore, the rotating connecting member 4 needs to be provided with a fixed support member 42 to strengthen the stability of the connection. Therefore, a fixed sleeve body 423 with a U-shaped structure is provided and clamped on the first arm rod 22. At the same time, the middle part of the fixed sleeve body 423 is connected to the rotation drive 41 to further strengthen the stability of the connection.
[0041] In some embodiments, it further includes a monitoring member 7. The monitoring member 7 includes an angle sensor 71 and a communication unit 72. The angle sensor 71 is provided with a fixed end and a detection end. The fixed end of the angle sensor 71 is connected to the fixed sleeve body 423, and the detection end of the angle sensor 71 is connected to the rotating end of the rotation drive 41 for detecting the rotation angle of the rotation drive 41; the communication unit 72 is electrically connected to the angle sensor 71 for transmitting the signal detected by the angle sensor 71 to the excavator driving computer.
[0042] In this embodiment, by providing the angle sensor 71 and the communication unit 72, the angle information detected by the angle sensor 71 is transmitted to the driving computer of the excavator in real time. Thus, it is convenient for the operator to control the angle of the rotating connecting member 4 to improve the excavation efficiency of the operator. In addition, the angle sensor 71 adopts an MK835B high-precision angle sensor, and the communication unit 72 adopts an hplc communication unit.
[0043] In some embodiments, the rotating connecting member 4 further includes a rotating bearing 43. The rotating bearing 43 is arranged between the rotation drive 41 and the fixed sleeve body 423, and the inner ring of the rotating bearing 43 is fixedly connected to the rotating end of the rotation drive 41.
[0044] In some embodiments, the rotating connecting member 4 further includes a first tooth 44 and a second tooth 45. The first tooth 44 is arranged inside the fixed sleeve body 423; the second tooth 45 is arranged on the outer ring of the rotating bearing 43, and the second tooth 45 is engaged with the first tooth 44.
[0045] In this embodiment, by providing the rotating bearing 43, a second tooth 45 is provided on the rotating bearing 43. A first tooth 44 is provided on the fixed sleeve body 423. During operation, the rotating bearing 43 is rotatably connected to the fixed sleeve body 423. Through the first tooth 44 and the second tooth 45, the stability of the connection between the rotating bearing 43 and the fixed sleeve body 423 is improved.
[0046] In some embodiments, the second boom member 3 includes a second boom support seat 31 and a second boom cylinder member 32. The second boom support seat 31 is fixedly connected to the rotation drive 41, and one end of the fixed sleeve 423 away from the first boom rod 22 is snap-connected to the second boom support seat 31. The second boom cylinder member 32 has a fixed end and a telescopic end, and the fixed end of the second boom cylinder member 32 is connected to the second boom support seat 31.
[0047] In this embodiment, the fixed end of the rotation drive 41 is fixedly connected to the first boom support seat 21, and the rotating end of the rotation drive 41 is fixedly connected to the second boom support seat 31. Thus, when the rotation drive 41 rotates, it can drive the second boom member 3 to rotate.
[0048] In some embodiments, the third boom member 5 includes a third boom support seat 51, a third boom cylinder member 52, a linkage arm 53 and a third boom rod 54. The third boom support seat 51 is rotatably connected to the second boom support seat 31, and the telescopic end of the second boom cylinder member 32 is rotatably connected thereto. The third boom cylinder member 52 has a fixed end and a telescopic end, and the fixed end of the third boom cylinder member 52 is rotatably connected to the third boom support seat 51. One end of the linkage arm 53 is rotatably connected to the third boom support seat 51, and the other end of the linkage arm 53 is rotatably connected to the third boom cylinder member 52. The third boom rod 54 is rotatably connected to the third boom cylinder member 52.
[0049] In some embodiments, the bucket member 6 includes a bucket 61. The bucket 61 is rotatably connected to the third boom cylinder member 52, and the third boom rod 54 is rotatably connected to the bucket 61.
[0050] Compared with the prior art, the technical solution of the present application has the following beneficial technical effects:
[0051] A rotating connection member is provided between the first boom member and the second boom member, and a rotating component is added between the original boom and the forearm, increasing the movement range of the forearm. That is, the movement range of the third boom member is increased. Thus, the bucket member can adapt to excavation work at various angles, improving the work efficiency. It solves the problems in the prior art that the excavation height of the excavating arm composed of the boom and the forearm is greatly limited, it is often difficult to carry out the excavation work smoothly at the excavation site, and the excavation difficulty is greatly increased at the construction site with a small excavation space, affecting the excavation efficiency.
[0052] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
Claims
1. A three-section arm structure for improving work efficiency, characterized in that, Comprising: A base (1); A first boom member (2), which is rotatably connected to the base (1); A second boom member (3), which is arranged on one side of the first boom member (2); A rotating connection member (4), which has a fixed end and a rotating end. The fixed end of the rotating connection member (4) is fixedly connected to the first boom member (2), and the rotating end of the rotating connection member (4) is fixedly connected to the second boom member (3). The rotating connection member (4) is used to make the second boom member (3) rotate radially along the first boom member (2); A third boom member (5), which is rotatably connected to the second boom member (3); A bucket member (6), which is rotatably connected to the third boom member (5).
2. The three-section boom structure for improving work efficiency according to claim 1, wherein, The first boom member (2) includes: A first boom support seat (21), which is fixedly connected to the base (1); A first boom rod (22), the bottom of which is rotatably connected to the first boom support seat (21); At least one first oil cylinder member (23), which has a fixed end and a telescopic end. The fixed end of the first oil cylinder member (23) is rotatably connected to the base (1); A first bearing bracket (24), which is rotatably connected to the top of the first boom rod (22), and the first bearing bracket (24) is fixedly connected to the telescopic end of the first oil cylinder member (23).
3. The three-section boom structure for improving work efficiency according to claim 2, characterized in that, The rotating connection member (4) includes a rotation drive (41), which has a fixed end and a rotating end. The fixed end of the rotation drive (41) is fixedly connected to the first boom support seat (21).
4. A three-section boom structure for improving work efficiency according to claim 3, characterized in that, The rotating connection member (4) further includes a fixed support member (42), and the fixed support member (42) includes: A fixed support seat (421), which is fixedly connected to the base (1); A fixed support oil cylinder member (422), which has a fixed end and a telescopic end. The fixed end of the fixed support oil cylinder member (422) is fixedly connected to the fixed support seat (421); A fixed sleeve body (423), one end of which has a U-shaped cross-section. The U-shaped end of the fixed sleeve body (423) is clamped to the first boom rod (22). The middle of the fixed sleeve body (423) is sleeved on the rotation drive (41), and the telescopic end of the fixed support oil cylinder member (422) is rotatably connected to the fixed sleeve body (423).
5. The three-section boom structure for improving work efficiency according to claim 4, characterized in that It further includes a monitoring member (7), which includes: An angle sensor (71), which has a fixed end and a detection end. The fixed end of the angle sensor (71) is connected to the fixed sleeve body (423), and the detection end of the angle sensor (71) is connected to the rotating end of the rotation drive (41), and is used to detect the rotation angle of the rotation drive (41); A communication unit (72), which is electrically connected to the angle sensor (71), and is used to transmit the signal detected by the angle sensor (71) to the excavator driving computer.
6. The three-section boom structure for improving work efficiency according to claim 4, characterized in that, The rotating connecting member (4) further includes a rotating bearing (43), the rotating bearing (43) is arranged between the rotating drive (41) and the fixed sleeve body (423), and the inner ring of the rotating bearing (43) is fixedly connected to the rotating end of the rotating drive (41).
7. The three-section boom structure for improving work efficiency according to claim 6, characterized in that, The rotating connecting member (4) further includes: A first cog (44), which is arranged inside the fixed sleeve body (423); A second cog (45), which is arranged on the outer ring of the rotating bearing (43), and the second cog (45) is engaged with the first cog (44).
8. A three - section boom structure for improving work efficiency according to claim 4, characterized in that, The second boom member (3) includes: A second boom support seat (31), which is fixedly connected to the rotating drive (41), and one end of the fixed sleeve body (423) away from the first boom rod (22) is engaged with the second boom support seat (31); A second boom oil cylinder member (32), which has a fixed end and a telescopic end, and the fixed end of the second boom oil cylinder member (32) is connected to the second boom support seat (31).
9. The three-section boom structure for improving work efficiency according to claim 8, characterized in that, The third boom member (5) includes: A third boom support seat (51), which is rotatably connected to the second boom support seat (31), and the telescopic end of the second boom oil cylinder member (32) is rotatably connected; A third boom oil cylinder member (52), which has a fixed end and a telescopic end, and the fixed end of the third boom oil cylinder member (52) is rotatably connected to the third boom support seat (51); A linkage boom rod (53), one end of which is rotatably connected to the third boom support seat (51), and the other end of the linkage boom rod (53) is rotatably connected to the third boom oil cylinder member (52); A third boom rod (54), which is rotatably connected to the third boom oil cylinder member (52).
10. The three-section boom structure for improving work efficiency according to claim 9, characterized in that, The bucket member (6) includes: A bucket (61), which is rotatably connected to the third boom oil cylinder member (52), and the third boom rod (54) is rotatably connected to the bucket (61).