Circular cooler trolley shaft connecting structure
By setting upper and lower half-shaft seat structures and limit pins on the trolley body of the annular cooler, the problems of trolley shaft alignment and installation accuracy were solved, enabling convenient installation and maintenance and improving the operational stability of the annular cooler.
Patent Information
- Application Number
- CN202423146492.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-11-11
- Estimated Expiration
- 2034-12-19
AI Technical Summary
The throughness of the existing ring cooler trolley axle cannot be guaranteed, resulting in installation accuracy problems. Furthermore, the trolley axle seat is integrally molded, which is not conducive to maintenance and replacement.
The trolley body is equipped with several axle seats, which are divided into upper and lower axle seat structures. The axle is set along the chord direction and is stably connected by limit pins and U-shaped clamps, which facilitates installation, disassembly and maintenance.
This ensures the throughness of the trolley shaft, improves installation accuracy, facilitates the installation and maintenance of the trolley shaft, reduces the resistance arm, and increases the turning torque.
Smart Images

Figure CN223536788U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of axle installation technology for a ring cooler trolley, specifically to an axle connection structure for a ring cooler trolley. Background Technology
[0002] In the prior art, the copper material of the trolley axle of the annular cooler uses two half-shafts, which are connected to the trolley body through axle seats. For example, the connection structure between the trolley body and the trolley axle of the annular cooler in application number 202220718097.X, the bottom surface of the inner arc end of the upper panel of the trolley body is fixed with a coaxial first bushing and a second bushing from the inside to the outside. The inner end of the inner trolley axle is installed in the first bushing and the second bushing. The bottom surface of the outer arc end of the upper panel of the trolley body is fixed with a coaxial third bushing and a fourth bushing from the inside to the outside. The inner end of the outer trolley axle is installed in the third bushing and the fourth bushing. The axes of the inner and outer trolley axles are coaxial and both are chordally arranged. The inner and outer trolley axles are located near the edge of the upper panel on one side. The bottom surface of the upper panel on the outer side of the inner and outer trolley axles is provided with a support tube beam. The axis of the support tube beam is parallel to the axis of the two trolley axles.
[0003] During use, it was found that the shortcomings of the existing technology are that the throughness of the four trolley axle seats cannot be guaranteed during the processing and manufacturing process, which leads to installation accuracy problems; at the same time, the trolley axle seats are integrally molded, which is not conducive to the inspection and replacement of the trolley axles. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a trolley shaft connection structure for an annular cooler that can ensure the shaft alignment and installation accuracy, while facilitating the installation and disassembly of the trolley shaft.
[0005] The technical solution adopted by this utility model to solve its technical problem is:
[0006] A trolley axle connection structure for an annular cooler includes a trolley body comprising an upper panel, a reinforcing rib welded to the bottom surface of the upper panel, and a plurality of axle seats spaced apart on the bottom surface of the upper panel. A trolley axle with a continuous length is installed in the plurality of axle seats, and the axis of the axle is arranged along the chord direction. Each axle seat includes an upper half axle seat and a lower half axle seat. The upper half axle seat is fixedly connected to the bottom surface of the upper panel, and the lower half axle seat is detachably connected to the upper half axle seat.
[0007] Compared with the prior art, the present utility model adopting the above technical solution has the following outstanding features:
[0008] This new type of trolley features a continuous axle design, and the trolley body is modified to have a continuous axle structure, ensuring axle integrity. At the same time, the axle seat is improved to have an upper and lower split structure, which facilitates installation and disassembly and is beneficial for the maintenance of the trolley axle.
[0009] As a preferred embodiment, a further technical solution of this utility model is:
[0010] Preferably, the upper half-shaft seat has a first pin groove in the arc groove, and the axle has a second pin groove corresponding to the first pin groove. Limiting pins are installed in the first pin groove and the second pin groove; the limiting pins are used to ensure the stability of the connection between the axle and the axle seat.
[0011] Preferably, the lower end of the upper half-shaft seat is provided with a lower connecting plate on both sides of the arc-shaped groove, and the upper end of the lower half-shaft seat is provided with an upper connecting plate on both sides of the arc-shaped groove; it also includes a U-shaped clamping block, with a slider on one side of the opposite end of the U-shaped clamping block, and a sliding groove on the top surface of the upper connecting plate and the bottom surface of the lower connecting plate corresponding to the slider, and the two sliders of the U-shaped clamping block are slidably inserted into the sliding groove; the upper half-shaft seat and the lower half-shaft seat are connected by the U-shaped clamping block, which facilitates connection, disassembly, replacement and maintenance of the axle.
[0012] Preferably, it also includes an elastic limiting pin disposed on the top surface of the upper connecting plate or the bottom surface of the lower connecting plate, and a limiting hole is provided on the U-shaped clamp block corresponding to the elastic limiting pin; to limit the sliding connection between the U-shaped clamp block and the shaft seat.
[0013] Preferably, the elastic limiting pin includes a spring connected to the top surface of the upper connecting plate or the bottom surface of the lower connecting plate, and a pin is connected to the spring.
[0014] Preferably, the slider side section is dovetail shaped, and the corresponding groove is a dovetail groove; to ensure connection stability.
[0015] Preferably, there are 5 axle seats, one of which is located at the halfway point of the axle, and the remaining 4 are symmetrically arranged about the halfway point axle seat. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the axle connection structure of the annular cooler trolley in this embodiment of the present invention;
[0017] Figure 2 This is a schematic diagram of the connection structure of the bearing seat in an embodiment of this utility model;
[0018] Figure 3 This is a schematic diagram of the structure of the bearing seat in an embodiment of this utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the U-shaped clamping block in an embodiment of this utility model.
[0020] Explanation of reference numerals in the attached drawings: 1. Top panel; 2. Shaft seat; 201. Upper half shaft seat; 202. Lower half shaft seat; 203. First pin groove; 204. Slide groove; 3. Axle; 4. Outer bearing seat; 5. Inner bearing seat; 6. Assembly panel; 7. U-shaped clamp; 701. Sliding block; 8. Elastic limit pin. Detailed Implementation
[0021] The present invention will be further described below with reference to specific embodiments. The purpose of this description is only to better understand the content of the present invention. Therefore, the examples given do not limit the scope of protection of the present invention.
[0022] like Figure 1 As shown in Figure 4, this embodiment provides a trolley axle connection structure for an annular cooler. The trolley body includes an upper panel 1, with a reinforcing rib welded to the bottom surface of the upper panel 1. Several axle seats 2 are spaced apart on the bottom surface of the upper panel 1, and a continuously extending axle 3 is installed within each of the axle seats 2. The axis of the axle 3 is chordally aligned. Each axle seat 2 includes an upper half axle seat 201 and a lower half axle seat 202. The upper half axle seat 201 is fixedly connected to the bottom surface of the upper panel 1, and the lower half axle seat 202 is detachably connected to the upper half axle seat 201. In this embodiment, oil injection holes are provided at both ends of the axle 3 for lubricating the inner bearing seat 5 and the outer bearing seat 4. Five axle seats 2 are provided, one located at the halfway point of the axle 3, and the remaining four are symmetrically arranged about the halfway point. This embodiment ensures the continuity of the axle through the through-shaft structure. Simultaneously, the axle seat 2 is improved into a split structure, facilitating installation and disassembly, and aiding in the maintenance of the trolley axle 3.
[0023] In the prior art of application number 202220718097.X, in this embodiment, the axis of the axle 3 is offset from the center of the trolley, which reduces the distance between the trolley axle 3 and the outer arc end of the support tube beam, reduces the resistance arm, and increases the trolley overturning torque.
[0024] like Figures 2 to 4 The upper half axle seat 201 has a first pin groove 203 in its arc groove, and the axle 3 has a second pin groove corresponding to the first pin groove 203. Limiting pins are installed in the first pin groove 203 and the second pin groove; the limiting pins are used to ensure the stability of the connection between the axle 3 and the axle seat 2.
[0025] like Figures 2 to 4 The upper half-shaft seat 201 has a lower connecting plate on both sides of the arc-shaped groove at its lower end, and the lower half-shaft seat 202 has an upper connecting plate on both sides of the arc-shaped groove at its upper end; it also includes a U-shaped clamping block 7, with a slider 701 on one side of the opposite end of the U-shaped clamping block 7, and a sliding groove 204 on the top surface of the upper connecting plate and the bottom surface of the lower connecting plate corresponding to the slider 701, and the two sliders 701 of the U-shaped clamping block 7 are slidably inserted into the sliding groove 204; wherein, the side cross section of the slider 701 is dovetail shaped, and the corresponding sliding groove 204 is a dovetail groove; the upper half-shaft seat 201 and the lower half-shaft seat 202 are connected by the U-shaped clamping block 7, which facilitates connection, disassembly, replacement and maintenance of the axle 3.
[0026] like Figure 2 , Figure 3It also includes an elastic limiting pin 8 set on the top surface of the upper connecting plate or the bottom surface of the lower connecting plate, and a limiting hole is provided on the U-shaped clamp 7 corresponding to the elastic limiting pin 8; to limit the sliding connection between the U-shaped clamp 7 and the bearing seat 2; the elastic limiting pin 8 includes a spring connected to the top surface of the upper connecting plate or the bottom surface of the lower connecting plate, and a pin is connected to the spring.
[0027] The above description is merely a preferred embodiment of the present utility model and does not limit the scope of the present utility model. All equivalent changes made based on the content of the present utility model specification and its drawings are included within the scope of the present utility model.
Claims
1. A trolley axle connection structure for an annular cooler, the trolley body comprising an upper panel (1), the bottom surface of which is welded with a stiffening plate, characterized in that: The bottom surface of the upper panel (1) is provided with several axle seats (2) at intervals, and axle (3) with a continuous length is installed in the several axle seats (2). The axis of the axle (3) is arranged along the chord direction. Each axle seat (2) includes an upper half axle seat (201) and a lower half axle seat (202). The upper half axle seat (201) is fixedly connected to the bottom surface of the upper panel (1), and the lower half axle seat (202) is detachably connected to the upper half axle seat (201).
2. The ring cooler trolley axle (3) connection structure according to claim 1, characterized in that: The upper half shaft seat (201) has a first pin groove (203) in the arc groove, and the axle (3) has a second pin groove corresponding to the first pin groove (203). Limit pins are installed in the first pin groove (203) and the second pin groove.
3. The ring cooler trolley axle (3) connection structure according to claim 1, characterized in that: The lower end of the upper half-shaft seat (201) is provided with a lower connecting plate on both sides of the arc groove, and the upper end of the lower half-shaft seat (202) is provided with an upper connecting plate on both sides of the arc groove; It also includes a U-shaped clamp (7), with a slider (701) on one side of the opposite end of the U-shaped clamp (7), and a groove (204) on the top surface of the upper connecting plate and the bottom surface of the lower connecting plate corresponding to the slider (701), and the two sliders (701) of the U-shaped clamp (7) are slidably inserted into the groove (204).
4. The ring cooler trolley axle (3) connection structure according to claim 3, characterized in that: It also includes elastic limiting pins (8) set on the top surface of the upper connecting plate or the bottom surface of the lower connecting plate, and limiting holes are provided on the U-shaped clamping block (7) corresponding to the elastic limiting pins (8).
5. The ring cooler trolley axle (3) connection structure according to claim 4, characterized in that: The elastic limiting pin (8) includes a spring connected to the top surface of the upper connecting plate or the bottom surface of the lower connecting plate, and a pin is connected to the spring.
6. The ring cooler trolley axle (3) connection structure according to claim 3, characterized in that: The slider (701) has a dovetail-shaped side section, and the corresponding groove (204) is a dovetail groove.
7. The ring cooler trolley axle (3) connection structure according to claim 1, characterized in that: There are 5 axle seats (2), one of which is located at the halfway point of the axle (3), and the remaining 4 are symmetrically arranged about the halfway point axle seat (2).
Citation Information
Patent Citations
Connecting structure of trolley body and trolley shaft of circular cooler
CN217032062U