Manual digging arm of child excavator
By designing the connecting column, operating mechanism and bucket teeth adjustment mechanism of the manual excavator arm of the children's excavator, the problems of poor safety in the use of grabs, inconvenient maintenance of bucket teeth, and inconvenient manual operation and control in the prior art are solved, and higher safety and operation convenience are achieved.
Patent Information
- Application Number
- CN202421621360.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-10
- Publication Date
- 2025-05-13
- Estimated Expiration
- 2034-07-10
AI Technical Summary
The existing manual excavator arm of children's excavators cannot improve the safety of the grab, and it is not convenient to replace and maintain the front end of the grab, and cannot conveniently perform manual operation and control.
A manual excavator arm of a children's excavator is designed, including a connecting column, an operating mechanism and a bucket teeth adjustment mechanism. The convenience of manual operation is achieved through the provided connecting columns, movable shafts, stabilizing tables and operating mechanisms; the convenient replacement and maintenance of the bucket teeth are achieved through the provided locking slots and bucket teeth adjustment mechanisms.
It improves the safety of the use of the grab, facilitates the replacement and maintenance of the bucket teeth, and realizes the convenience of manual operation.
Smart Images

Figure CN222854584U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of children's excavators, in particular to a manual digging arm of a children's excavator. Background Art
[0002] Children's excavator is a kind of amusement equipment. It is powered by an electric motor and distributes pressure to a single cylinder through a hydraulic pump control unit. It is mainly composed of a lower chassis, an upper chassis, a boom, a dipper arm, a bucket, a power unit, a control unit, a slewing bearing, a slewing motor, a hydraulic cylinder, and an electronic auxiliary control system. It runs slowly and has strong controllability. It is a highly simulated excavator. When the children's excavator is in use, the main operating component is the digging arm, so a children's excavator manual digging arm is needed.
[0003] The existing manual digging arm of a children's excavator cannot improve the safety of the grab bucket during operation, is inconvenient to replace and maintain the front end teeth of the grab bucket, and cannot be conveniently operated and controlled manually. Therefore, a manual digging arm of a children's excavator is urgently needed. Utility Model Content
[0004] Based on this, the purpose of the utility model is to provide a manual digging arm for a children's excavator to solve the problem that the existing manual digging arm for a children's excavator cannot improve the safety of the grab bucket when in use, and it is not convenient to perform better maintenance on the front end teeth of the grab bucket, and it is not convenient to perform manual operation and control.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a manual digging arm of a children's excavator, comprising a connecting column, an operating mechanism and a bucket tooth adjustment mechanism, a movable shaft is installed at one end of the connecting column, a stabilizing platform is installed at one end of the movable shaft, operating mechanisms are installed on the left and right sides of the connecting column, hydraulic lines are installed on both ends of the connecting column, a round shaft is installed at one end of the stabilizing platform, a grab bucket is installed at one end of the round shaft, a slot is provided at the front end of the grab bucket, and a bucket tooth adjustment mechanism is installed at one end of the slot.
[0006] Preferably, the stabilizing platform forms a rotating structure through a movable shaft and a connecting column, and the stabilizing platform forms a rotating structure through a circular shaft and a grab bucket.
[0007] Preferably, the operating mechanism includes a cross bar, a front movable rod, a rotating shaft and a rear movable rod, the cross bar is installed at the upper end of the connecting column, the front movable rod is installed at one end of the cross bar, the rotating shaft is installed at one end of the front movable rod, and the rear movable rod is installed at one end of the rotating shaft.
[0008] Preferably, the rear movable rod forms a rotating structure with the front movable rod via a rotating shaft, and the front movable rod is symmetrically arranged with respect to the central axis of the connecting column.
[0009] Preferably, the bucket tooth adjustment mechanism includes parallel bucket teeth, bucket tooth sleeves, fixed rods, and threaded rods. The parallel bucket teeth are installed at the front end of the grab bucket. One end of the parallel bucket teeth is provided with a bucket tooth sleeve. A fixed rod is installed at the upper end of the bucket tooth sleeve. Threaded rods are installed at both ends of the fixed rod.
[0010] Preferably, the parallel bucket teeth are connected to the grab bucket by means of a clamping groove, and the parallel bucket tooth sleeve is arranged inside the bucket tooth sleeve.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The utility model provides a connecting column, a movable shaft, a stabilizing platform and an operating mechanism, and through the connection of the front movable rod and the rear movable rod installed in the device, the force arm can be supported by the cross bar, so that the manual operation convenience can be better performed during use;
[0013] 2. The utility model is provided with a connecting column, a grab bucket, a slot and a bucket tooth adjustment mechanism. The parallel bucket teeth are installed through the slots installed in the device. At the same time, the parallel bucket teeth can be disassembled, maintained and replaced, and the installed bucket tooth sleeve can wrap the parallel bucket teeth, thereby improving the safety of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a front cross-sectional view of the utility model;
[0015] Figure 2 It is a schematic diagram of the structure of the utility model when viewed from above;
[0016] Figure 3 It is a structural schematic diagram of the operating mechanism of the utility model;
[0017] Figure 4 It is a structural schematic diagram of the bucket tooth adjustment mechanism of the utility model.
[0018] In the figure: 1. connecting column; 2. movable shaft; 3. stabilizing platform; 4. operating mechanism; 401. cross bar; 402. front movable rod; 403. rotating shaft; 404. rear movable rod; 5. hydraulic line; 6. round shaft; 7. grab bucket; 8. slot; 9. bucket tooth adjustment mechanism; 901. parallel bucket teeth; 902. bucket tooth sleeve; 903. fixing rod; 904. threaded rod. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.
[0020] The following describes an embodiment of the utility model based on its overall structure.
[0021] See also Figure 1-4 A manual digging arm of a children's excavator includes a connecting column 1, an operating mechanism 4 and a bucket tooth adjustment mechanism 9. A movable shaft 2 is installed at one end of the connecting column 1, and a stabilizing platform 3 is installed at one end of the movable shaft 2. Operating mechanisms 4 are installed on both sides of the connecting column 1. The operating mechanism 4 includes a cross bar 401, a front movable rod 402, a rotating shaft 403 and a rear movable rod 404. The cross bar 401 is installed at the upper end of the connecting column 1, and a front movable rod 402 is installed at one end of the cross bar 401. A rotating shaft 403 is installed at one end of the front movable rod 402, and a rear movable rod 404 is installed at one end of the rotating shaft 403. The front movable rod 402 and the rear movable rod 404 installed in the device are connected by the rotating shaft 403, which can be flexibly controlled and operated to improve the operating convenience of the entire excavator arm. The connecting column 1 is installed at both ends. A round shaft 6 is installed at one end of the hydraulic line 5 and the stabilizing platform 3, a grab bucket 7 is installed at one end of the round shaft 6, a slot 8 is opened at the front end of the grab bucket 7, a bucket tooth adjustment mechanism 9 is installed at one end of the slot 8, and the bucket tooth adjustment mechanism 9 includes a parallel bucket tooth 901, a bucket tooth sleeve 902, a fixed rod 903, and a threaded rod 904. The parallel bucket tooth 901 is installed at the front end of the grab bucket 7, and a bucket tooth sleeve 902 is sleeved at one end of the parallel bucket tooth 901. A fixed rod 903 is installed at the upper end of the bucket tooth sleeve 902, and threaded rods 904 are installed at both ends of the fixed rod 903. The parallel bucket teeth 901 installed in the device are connected to the grab bucket 7 through the slot 8, which is convenient for replacement and maintenance of the parallel bucket teeth 901. At the same time, the parallel bucket teeth 901 can be sleeved when not in use through the installed bucket tooth sleeve 902 to prevent accidental touch and danger.
[0022] Working principle: When in use, the device can be installed and connected to the excavator through the connecting column 1. After the connection is completed, it is connected to the stabilizing platform 3 through the movable shaft 2 installed in the device. The stabilizing platform 3 is connected to the grab bucket 7 through the circular shaft 6. Through the multi-end segmented connection, the control of the mechanical arm can be more flexible during use. Pull rods are installed at both ends of the connecting column 1 in the device. The pull rods on the left and right sides can control the angle adjustment of the entire mechanical arm and the bucket at the front section of the mechanical arm respectively. The mechanical arm can be adjusted to different distances forward and backward by pulling the pull rod on the left. After adjusting to the appropriate distance, the bucket can be moved forward and backward by controlling the pull rod on the right. The front movable rods 40 installed at both ends of the connecting column 1 2 and the rear end movable rod 404, the front end movable rod 402 is supported by the installed cross bar 401, and the front end movable rod 402 and the rear end movable rod 404 can be operated and used through the rotating shaft 403, and the manual operation is convenient when in use. Secondly, the installed parallel bucket teeth 901 are connected to the grab bucket 7 through the card slot 8, which is convenient for the replacement and maintenance of the parallel bucket teeth 901. At the same time, the installed bucket tooth sleeve 902 can wrap the parallel bucket teeth 901 when not in use. At the same time, the installed bucket tooth sleeve 902 is connected through the fixed rod 903, which is convenient for disassembly and installation to prevent accidental touch and danger. In this way, the use process of the device is completed. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.
[0023] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.
[0024] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A manual digging arm of a children's excavator, comprising a connecting column (1), an operating mechanism (4) and a bucket tooth adjustment mechanism (9), characterized in that: A movable shaft (2) is installed at one end of the connecting column (1), a stabilizing platform (3) is installed at one end of the movable shaft (2), operating mechanisms (4) are installed on both sides of the connecting column (1), hydraulic lines (5) are installed on both ends of the connecting column (1), a round shaft (6) is installed at one end of the stabilizing platform (3), a grab bucket (7) is installed at one end of the round shaft (6), a slot (8) is provided at the front end of the grab bucket (7), and a bucket tooth adjustment mechanism (9) is installed at one end of the slot (8).
2. A manual digging arm for children's excavator according to claim 1, characterized in that: The stabilizing platform (3) forms a rotating structure through a movable shaft (2) and a connecting column (1), and the stabilizing platform (3) forms a rotating structure through a circular shaft (6) and a grab bucket (7).
3. The manual digging arm of a children's excavator according to claim 1, characterized in that: The operating mechanism (4) comprises a cross bar (401), a front movable bar (402), a rotating shaft (403) and a rear movable bar (404); the cross bar (401) is mounted on the upper end of the connecting column (1); one end of the cross bar (401) is mounted with the front movable bar (402); one end of the front movable bar (402) is mounted with the rotating shaft (403); and one end of the rotating shaft (403) is mounted with the rear movable bar (404).
4. The manual digging arm of a children's excavator according to claim 3, characterized in that: The rear movable rod (404) forms a rotating structure with the front movable rod (402) via a rotating shaft (403), and the front movable rod (402) is symmetrically arranged with respect to the central axis of the connecting column (1).
5. The manual digging arm of a children's excavator according to claim 1, characterized in that: The bucket tooth adjustment mechanism (9) comprises a parallel bucket tooth (901), a bucket tooth sleeve (902), a fixing rod (903), and a threaded rod (904); the parallel bucket tooth (901) is mounted at the front end of the grab bucket (7); one end of the parallel bucket tooth (901) is sleeved with a bucket tooth sleeve (902); the upper end of the bucket tooth sleeve (902) is mounted with a fixing rod (903); and the left and right ends of the fixing rod (903) are both mounted with threaded rods (904).
6. The manual digging arm of a children's excavator according to claim 5, characterized in that: The parallel bucket teeth (901) are connected to the grab bucket (7) by means of a clamping groove (8), and the parallel bucket teeth (901) are sleeved inside the bucket tooth protective sleeve (902).