Heavy universal rotating head
By designing heavy-duty universal rotary heads, using alloy material and high-performance bearings, the existing universal rotary heads are easily damaged and have short service life under heavy-duty conditions, and achieve higher load capacity and bump resistance.
Patent Information
- Application Number
- CN202421802733.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-29
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-07-29
AI Technical Summary
The existing economical universal rotating heads are prone to damage under heavy load conditions, have limited application scenarios and short service life, which cannot meet the load load requirements of heavy equipment.
A heavy-duty universal rotary head is designed, with alloy rotary head core plate and round cover plate, combined with 51112 thrust bearing and 32005X bearing, which increases the structural firmness and flexibility, and passes through slotted nuts and opening pins. The design improves stability.
It improves the service life of the universal rotating head, reduces the number of replacements and usage costs, and enhances the load capacity and bump resistance of heavy equipment.
Smart Images
Figure CN222473796U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of universal rotating heads, and more specifically to a heavy-duty universal rotating head. Background Art
[0002] The universal caster swivels currently used in the market are mostly economical universal caster swivels, which are mostly only suitable for light-load equipment and have a single structure, and the load-bearing effect is not ideal. They cannot meet the use requirements of heavy-load equipment.
[0003] However, in actual use, the economical universal caster turntables currently used in the market have many defects:
[0004] 1. Easy to damage: The caster turntable is the most easily damaged among the universal wheel assembly parts. Once one of the wheels is damaged, the entire universal wheel cannot be used normally. Especially for heavy-loaded equipment, the possibility of such damage is higher.
[0005] 2. Limited applicable scenarios: This type of economical universal swivel bearing is mostly only suitable for relatively flat roads. For uneven roads, this type of economical universal swivel bearing will cause great damage.
[0006] 3. Short service life.
[0007] To solve the above problems, we propose a heavy-duty universal rotating head. Utility Model Content
[0008] In order to overcome the above-mentioned defects of the prior art, the embodiments of the present invention provide a heavy-duty universal rotating head to solve the problems raised in the above-mentioned background technology.
[0009] To achieve the above purpose, the utility model provides the following technical solutions: a heavy-duty universal rotating head, comprising a rotating head shaft core plate and a rotating head circular sleeve plate, a group of core shafts are welded at the middle position of the upper surface of the rotating head shaft core plate, a rotating head circular sleeve plate is matched and installed above the rotating head shaft core plate, and a bearing seat is welded on the lower surface of the rotating head circular sleeve plate;
[0010] A thrust bearing is embedded and installed on the upper surface of the rotating head shaft core plate, a bearing is clamped and installed on the upper side of the rotating head round sleeve plate, a slot nut is installed above the bearing, and a cotter pin is arranged on the slot nut.
[0011] As a further improvement of the technical solution of the utility model, a group of annular grooves are provided on the upper surface of the rotating head shaft core plate, and the annular grooves are adapted to the thrust bearing.
[0012] As a further improvement of the technical solution of the utility model, the bearing seat on the rotating head circular sleeve plate is engaged and docked with the thrust bearing on the rotating head shaft core plate.
[0013] As a further improvement of the technical solution of the utility model, a group of anti-dropping washers are installed on the upper surface of the bearing.
[0014] As a further improvement of the technical solution of the utility model, the top end of the core shaft passes through the rotating head circular sleeve plate, the bearing, the anti-slip washer and is threadedly connected with the slotted nut.
[0015] As a further improvement of the technical solution of the utility model, the rotating head shaft core plate and the rotating head circular sleeve plate are both square blocks made of alloy material, and a circular installation groove is opened in the middle position of the rotating head circular sleeve plate.
[0016] As a further improvement of the technical solution of the utility model, a group of open grooves matching with the cotter pins are opened at the top end of the core shaft, and the two are engaged with each other.
[0017] Technical effects and advantages of the utility model:
[0018] The utility model improves the previous structure. The heavy-duty universal rotating head bearing seat adopts a machined design and is very strong. The 51112 thrust bearing and 32005X bearing are used inside. The double rotating bearing is more flexible.
[0019] The heavy-duty universal swivel head has a long service life, reduces the number of replacements, reduces the cost of use, and can better meet market demand. This design is suitable for heavy-duty load-bearing equipment, has strong anti-bumping ability on uneven roads, and is not easy to be damaged. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0021] Figure 2 It is a structural schematic diagram of the rotating head shaft core plate and the rotating head circular sleeve plate in the utility model.
[0022] Figure 3 It is an explosion diagram of the utility model.
[0023] The reference numerals in the drawings are: rotating head shaft core plate 1, bearing seat 2, thrust bearing 3, bearing 4, core shaft 5, rotating head round sleeve plate 6, anti-slip washer 7, slot nut 8, and cotter pin 9. DETAILED DESCRIPTION
[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] As attached Figure 1 , Attachment Figure 2 and attached Figure 3 The heavy-duty universal rotating head shown includes a rotating head shaft core plate 1, a bearing seat 2, a thrust bearing 3, a bearing 4, a core shaft 5, a rotating head round sleeve plate 6, an anti-dropping washer 7, a slotted nut 8, and a cotter pin 9. A set of core shafts 5 are welded at the middle position of the upper surface of the rotating head shaft core plate 1, a rotating head round sleeve plate 6 is matched and installed above the rotating head shaft core plate 1, and a bearing seat 2 is welded on the lower surface of the rotating head round sleeve plate 6;
[0026] A thrust bearing 3 is embedded in the upper surface of the rotating head shaft core plate 1, a bearing 4 is clamped and installed above the rotating head round sleeve plate 6, a slot nut 8 is installed above the bearing 4, and a cotter pin 9 is provided on the slot nut 8.
[0027] A group of annular grooves are formed on the upper surface of the rotating head shaft core plate 1 , and the annular grooves are matched with the thrust bearing 3 .
[0028] Further Figure 3 The bearing seat 2 on the rotating head circular sleeve plate 6 is engaged with the thrust bearing 3 on the rotating head shaft core plate 1.
[0029] Further Figure 3 A set of anti-dropping washers 7 are installed on the upper surface of the bearing 4.
[0030] Further Figure 3 The top end of the core shaft 5 passes through the rotating head round sleeve plate 6, the bearing 4, the anti-slip washer 7 and is threadedly connected with the slot nut 8, so that the core shaft 5 passes through the rotating head round sleeve plate 6, the bearing 4, the anti-slip washer 7, and is locked by the slot nut 8.
[0031] Further Figure 1 and 2 The rotating head shaft core plate 1 and the rotating head circular sleeve plate 6 are both square blocks made of alloy material, and a circular mounting groove is opened in the middle position of the rotating head circular sleeve plate 6.
[0032] Further Figure 3 The top end of the core shaft 5 is provided with a group of open grooves adapted to the cotter pin 9, and the two are engaged with each other.
[0033] Working principle of this utility model:
[0034] The utility model is designed for a heavy-duty universal rotating head, wherein a 1.5T core shaft 5 is welded to a 1.5T rotating head shaft core plate 1, and a bearing seat 2 is welded to a 1.5T rotating head round sleeve plate 6;
[0035] Among them, the 51112 thrust bearing 3 should be placed in the groove of the 1.5T rotating head shaft core plate 1, and then the bearing seat 2 is clamped on the 51112 thrust bearing 3, and the 32005X bearing 4 is installed in the 1.5T rotating head round sleeve plate 6, so that the rotating bearing can rotate freely, and then use the 1.5T anti-offset washer 7 to press it on the top, and then use the slot nut 8 to screw it from the top to the 1.5T core shaft 5 to press the entire structure, and finally use the cotter pin 9 to pass through the hole of the 1.5T core shaft 5 to prevent the slot nut 8 from loosening.
[0036] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;
[0037] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;
[0038] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A heavy-duty universal swivel head, comprising a swivel head shaft core plate (1), a bearing seat (2), a thrust bearing (3), a bearing (4), a core shaft (5), a swivel head round sleeve plate (6), an anti-dropping washer (7), a slotted nut (8), and a split pin (9), characterized in that: A group of core shafts (5) are welded at the middle position of the upper surface of the rotating head shaft core plate (1), a rotating head circular sleeve plate (6) is mounted above the rotating head shaft core plate (1), and a bearing seat (2) is welded on the lower surface of the rotating head circular sleeve plate (6); A thrust bearing (3) is embedded and installed on the upper surface of the rotating head shaft core plate (1), a bearing (4) is clamped and installed above the rotating head circular sleeve plate (6), a slot nut (8) is installed above the bearing (4), and a cotter pin (9) is provided on the slot nut (8).
2. The heavy-duty universal rotating head according to claim 1, characterized in that: A group of annular grooves are provided on the upper surface of the rotating head shaft core plate (1), and the annular grooves are adapted to fit the thrust bearing (3).
3. The heavy-duty universal rotating head according to claim 1, characterized in that: The bearing seat (2) on the rotating head circular sleeve plate (6) is engaged and docked with the thrust bearing (3) on the rotating head shaft core plate (1).
4. The heavy-duty universal rotating head according to claim 1, characterized in that: A set of anti-slip washers (7) are installed on the upper surface of the bearing (4).
5. The heavy-duty universal rotating head according to claim 1, characterized in that: The top end of the core shaft (5) passes through the rotating head circular sleeve plate (6), the bearing (4), the anti-slip washer (7), and is threadedly connected to the nut (8).
6. The heavy-duty universal rotating head according to claim 1, characterized in that: The rotating head shaft core plate (1) and the rotating head circular sleeve plate (6) are both square blocks made of alloy material, and a circular mounting groove is provided at the middle position of the rotating head circular sleeve plate (6).
7. The heavy-duty universal rotating head according to claim 1, characterized in that: The top end of the core shaft (5) is provided with a group of open grooves adapted to the cotter pins (9), and the two are engaged and butted against each other.