Pressing head and sleeve assembly for assembling tapered roller bearing
By designing adjustable pitch indenter and sleeve components, the problem that existing indenter and sleeve can only be suitable for assembly of tapered roller bearings of specific sizes is solved, and the adaptability to assembly of different sizes is achieved and the scope of application is expanded.
Patent Information
- Application Number
- CN202421827137.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-31
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-07-31
AI Technical Summary
The existing indenter and sleeve are fixed in the limit structure and cannot be moved or replaced, which makes it only suitable for assembly of tapered roller bearings of a certain size, and the scope of application is very small.
A press head and sleeve assembly including a base, a cylinder, a press head main body, a cylinder, a conveyor rod and a knob is designed. The screw is driven to rotate by rotating the knob, so that the positioning block is translated and the spacing is adjusted, so that the fixing and replacement of the press head main body and the barrel of different sizes is facilitated.
The assembly of tapered roller bearings of different sizes is achieved, making the application range of indenters and sleeves larger, and can effectively solve the needs of assembly of different sizes.
Smart Images

Figure CN222950255U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tapered roller bearings, in particular to a pressure head and sleeve assembly for assembling tapered roller bearings. Background Art
[0002] Tapered roller bearings are separable bearings. Both the inner and outer rings of the bearings have tapered raceways. Tapered roller bearings are divided into single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers installed.
[0003] In the process of realizing the utility model, the inventors found that there are at least the following problems in the technology: when assembling tapered roller bearings, a matching pressure head and sleeve are required, and the pressure head is responsible for carrying the inner ring to move and press it into the outer ring defined by the sleeve to complete the assembly; but most of the current pressure heads and sleeves are fixed in their limiting structures and cannot be moved or replaced, resulting in that they can only be used for the assembly of tapered roller bearings of a certain size, and the scope of application is very small.
[0004] To this end, we propose a pressure head and sleeve assembly for assembling a tapered roller bearing to solve the above problems. Utility Model Content
[0005] The main purpose of the utility model is to provide a pressure head and sleeve assembly for assembling tapered roller bearings, which can assemble tapered roller bearings of different sizes, making its application range wider and effectively solving the problems in the background technology.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A pressure head and sleeve assembly for assembling a tapered roller bearing, comprising a base, a cylinder located on the base and a pressure head body, a mounting groove is formed on the top wall of the base, the cylinder is inserted into the mounting groove, the outer circle of the cylinder is integrally welded with a side plate, and the side plate is fitted with the inner wall of the mounting groove, so that the cylinder remains stationary in the mounting groove;
[0008] A bracket is welded on the base, wherein the bracket is in an inverted U shape, a cylinder is installed on the bracket, a transmission rod is fixedly connected to the bottom of the cylinder, wherein a mounting plate is welded to the bottom of the transmission rod, a knob is rotatably connected to one side wall of the mounting plate, and a slide groove is formed on the bottom wall of the mounting plate, a screw rod is coaxially connected to one end of the knob, the threads at both ends of the screw rod rotate in opposite directions, and positioning blocks are respectively threadedly sleeved on both ends of the screw rod, and the two positioning blocks are both in contact with the top wall of the slide groove;
[0009] Plug holes are respectively opened on the opposite sides of the two positioning blocks, mounting platforms are symmetrically welded on both sides of the top wall of the pressure head body, and plug blocks are respectively welded on the opposite sides of the two mounting platforms, and the two plug blocks are respectively inserted into the two plug holes.
[0010] As a preferred embodiment, L-shaped handles are symmetrically welded on both sides of the top wall of the side plate; the cylinder body and the side plate can be lifted upwards by the two handles.
[0011] As a preferred embodiment, the transmission rod is vertically arranged and connected to the bottom wall of the bracket, so that the transmission rod structure remains stable and can be normally extended and retracted.
[0012] As a preferred embodiment, slide bars are symmetrically welded on both sides of the top wall of the mounting plate, and both slide bars slide through the bracket; so that when the mounting plate is raised or lowered, the two slide bars can be driven to slide on the bracket, thereby ensuring the stability of the mounting plate when it is raised or lowered.
[0013] As a preferred embodiment, the screw rod is horizontally arranged in the slide groove, and both ends of the screw rod are rotatably connected to the mounting plate, so that the screw rod can operate stably.
[0014] As a preferred embodiment, the opposite sides of the two mounting platforms are both arc-shaped, and the curvature of the mounting platforms is the same as the curvature of the outer wall of the pressure head body; so that the outer diameter of the mounting platforms is the same as the outer diameter of the pressure head body.
[0015] In summary, the technical effects and advantages of the utility model are as follows:
[0016] The pressure head and sleeve assembly for assembling tapered roller bearings drives the screw to operate by turning the knob, so that the two positioning blocks can be translated toward or away from each other, and the distance between the two can be adjusted, so that it is convenient to fix and apply pressure head bodies of different sizes, and by replacing the matching cylinder body, the pressure head and sleeve can be assembled on tapered roller bearings of different sizes, so that the application range is wider. 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 the front view of the utility model;
[0019] Figure 3 It is a vertical cross-sectional view of the utility model;
[0020] Figure 4 For this utility model Figure 3 A magnified view of the structure in the middle.
[0021] In the figure: 1. base; 2. cylinder; 3. side plate; 4. bracket; 5. cylinder; 6. transmission rod; 7. mounting plate; 8. slide rod; 9. knob; 10. slide groove; 11. screw rod; 12. positioning block; 13. socket; 14. pressure head body; 15. mounting table; 16. plug block; 17. handle. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] Reference Figure 1-Figure 4 A pressure head and sleeve assembly for assembling a tapered roller bearing comprises a base 1, a cylinder 2 located on the base 1 and a pressure head body 14, a mounting groove is formed on the top wall of the base 1, the cylinder 2 is inserted in the mounting groove, the outer circle of the cylinder 2 is welded with a side plate 3 in an integral manner, and the side plate 3 is fitted with the inner wall of the mounting groove, so that the cylinder 2 remains stationary in the mounting groove, and L-shaped handles 17 are symmetrically welded on both sides of the top wall of the side plate 3, and the cylinder 2 and the side plate 3 can be lifted upward by the two handles 17;
[0024] A bracket 4 is welded on the base 1, wherein the bracket 4 is in an inverted U shape, a cylinder 5 is installed on the bracket 4, a transmission rod 6 is fixedly connected to the bottom of the cylinder 5, the transmission rod 6 is vertically arranged and connected to the bottom wall of the bracket 4, so that the transmission rod 6 structure remains stable and can be normally extended and retracted, wherein a mounting plate 7 is welded to the bottom of the transmission rod 6, and sliding rods 8 are symmetrically welded on both sides of the top wall of the mounting plate 7, and the two sliding rods 8 both slide through the bracket 4, so that the mounting plate 7 can drive the two sliding rods 8 to slide on the bracket 4 when it is raised or lowered, thereby In order to ensure the stability of the mounting plate 7 when it is lifted or lowered, a knob 9 is rotatably connected to one side wall of the mounting plate 7, and a slide groove 10 is formed on the bottom wall of the mounting plate 7. A screw rod 11 is coaxially connected to one end of the knob 9. The screw rod 11 is horizontally arranged in the slide groove 10, and both ends of the screw rod 11 are rotatably connected to the mounting plate 7, so that the screw rod 11 can operate stably. The threads at both ends of the screw rod 11 have opposite rotation directions, and positioning blocks 12 are respectively threadedly sleeved on both ends of the screw rod 11, and the two positioning blocks 12 are both in contact with the top wall of the slide groove 10.
[0025] A socket 13 is provided on the opposite side of the two positioning blocks 12, and mounting platforms 15 are symmetrically welded on both sides of the top wall of the pressure head body 14. The opposite sides of the two mounting platforms 15 are arc-shaped, and the curvature of the mounting platforms 15 is the same as the curvature of the outer wall of the pressure head body 14, so that the outer diameter of the mounting platforms 15 is the same as the outer diameter of the pressure head body 14, and plug blocks 16 are welded on the opposite sides of the two mounting platforms 15, and the two plug blocks 16 are respectively inserted into the two sockets 13.
[0026] The pressure head and sleeve assembly for assembling the tapered roller bearing: when in use, first place the outer ring required for assembling the tapered roller bearing in the cylinder 2. When assembly is required, the driving cylinder 5 is operated to drive the transmission rod 6 to extend, so that the mounting plate 7 drives the pressure head body 14 to sink and press the inner ring into the outer ring in the cylinder 2, so that the two are assembled successfully; if the size of the tapered roller bearing to be assembled is adjusted, the cylinder 2 and the pressure head body 14 also need to be replaced. When replacing, lift the two handles 17 to take out the cylinder 2 and the side plate 3, and then replace the cylinder 2 and the side plate 3 of the appropriate size into the installation groove (the side plate 3 after replacement). The side plate 3 still needs to fit with the inner wall of the mounting groove to ensure the stability of the cylinder 2); turn the knob 9 to drive the screw 11 to operate, so that the two positioning blocks 12 first translate in opposite directions, release the restrictions on the pressure head body 14, the mounting platform 15 and the plug block 16, and then extend the pressure head body 14 to be replaced and the mounting platform 15 thereon into the slide groove 10, so that the two mounting platforms 15 correspond to the positions of the two plug blocks 16, and then reverse the knob 9, so that the two positioning blocks 12 can translate in opposite directions and the two plug blocks 16 can be inserted into the two sockets 13, and then the new pressure head body 14 and the cylinder 2 can be used for assembly.
[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A pressure head and sleeve assembly for assembling a tapered roller bearing, comprising a base (1), a cylinder (2) located on the base (1) and a pressure head body (14), characterized in that: A mounting groove is formed on the top wall of the base (1), and a cylinder (2) is inserted and fitted into the mounting groove, wherein the outer circle of the cylinder (2) is integrally welded with a side plate (3), and the side plate (3) is fitted with the inner wall of the mounting groove; A bracket (4) is welded on the base (1), a cylinder (5) is installed on the bracket (4), a transmission rod (6) is fixedly connected to the bottom of the cylinder (5), a mounting plate (7) is welded to the bottom of the transmission rod (6), a knob (9) is rotatably connected to one side wall of the mounting plate (7), and a slide groove (10) is formed on the bottom wall of the mounting plate (7), a screw rod (11) is coaxially connected to one end of the knob (9), the threads at both ends of the screw rod (11) are rotated in opposite directions, and positioning blocks (12) are respectively threadedly sleeved on both ends of the screw rod (11), and the two positioning blocks (12) are both in contact with the top wall of the slide groove (10); The two positioning blocks (12) are provided with insertion holes (13) on the opposite sides thereof, mounting platforms (15) are symmetrically welded on the two sides of the top wall of the pressure head body (14), and the two mounting platforms (15) are respectively welded with insertion blocks (16) on the opposite sides thereof, and the two insertion blocks (16) are respectively inserted into the two insertion holes (13) in a matching manner.
2. A pressing head and sleeve assembly for assembling a tapered roller bearing according to claim 1, characterized in that: L-shaped handles (17) are symmetrically welded on both sides of the top wall of the side plate (3).
3. The pressure head and sleeve assembly for assembling a tapered roller bearing according to claim 1, characterized in that: The transmission rod (6) is vertically arranged and connected to the bottom wall of the bracket (4).
4. The pressure head and sleeve assembly for assembling a tapered roller bearing according to claim 1, characterized in that: Sliding rods (8) are symmetrically welded to both sides of the top wall of the mounting plate (7), and both of the sliding rods (8) slide through the bracket (4).
5. The pressure head and sleeve assembly for assembling a tapered roller bearing according to claim 1, characterized in that: The screw rod (11) is horizontally arranged in the slide groove (10), and both ends of the screw rod (11) are rotatably connected to the mounting plate (7).
6. The pressure head and sleeve assembly for assembling a tapered roller bearing according to claim 1, characterized in that: The opposite sides of the two mounting platforms (15) are both arc-shaped, and the curvature of the mounting platforms (15) is the same as the curvature of the outer wall of the pressure head body (14).