Platform axle spacer ring

Abstract

The utility model provides a trolley shaft spacer ring which comprises a first circular ring part and a second circular ring part, and the first circular ring part and the second circular ring part are connected end to end to form a circular ring structure. Wherein the first end of the first circular ring part is rotatably connected with the first end of the second circular ring part, and the second end of the first circular ring part is detachably connected with the second end of the second circular ring part. The trolley shaft can be replaced without disassembling the trolley and taking out the trolley shaft, and the spacer ring can be directly buckled on the trolley shaft, so that the time for replacing the spacer ring is greatly shortened. Meanwhile, the whole spacer ring is replaced, and compared with a half spacer ring replaced in the past, the service life is longer, and the replacement frequency is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of pelletizing grate chain machine-rotary kiln, in particular to a trolley shaft spacer ring. Background Art

[0002] In the pelletizing grate-rotary kiln production process, the ring cooler is a key piece of equipment. Its main functions are: to cool the 1200°C oxidized pellets discharged from the rotary kiln by blasting air, lowering their temperature to a level suitable for subsequent processing; and, as a crucial link in the thermal balance of the entire system, to recover heat from the high-temperature pellets and reuse it in the preceding process via hot air, thereby reducing the fuel consumption of the entire system. The ring cooler trolley shaft is equipped with spacers, which limit the position of the trolley in the equipment and prevent it from moving on the shaft. Excessive movement of the trolley will cause the edge gap to become too large, increasing the amount of pellets leaking, affecting pellet quality and clogging the bellows. In severe cases, the trolley will collide and rub against the edge when it overturns, causing damage to the trolley and ultimately shutting down the entire production line, impacting the efficiency of pellet production.

[0003] During daily production operations, the spacer rings may wear or break. There are two ways to replace the spacer rings: one is to stop the entire pelletizing production line, disassemble the trolley, remove the trolley shaft, and insert the new spacer ring into the trolley shaft. This process will consume a lot of time and seriously affect the efficiency of pelletizing production. The other is to weld and remove the worn or broken spacer ring, break the new spacer ring into two halves and weld them to the trolley frame. The spacer ring connected in this way has a short lifespan and a high replacement frequency. Each replacement still requires stopping the production line, which affects the efficiency of pelletizing production. Therefore, there is a need in this field for a trolley shaft spacer ring that is easy to replace. Utility Model Content

[0004] The utility model aims at the deficiencies of the prior art and provides a trolley shaft spacer ring which can be replaced without disassembling the trolley and taking out the trolley shaft.

[0005] The utility model provides a trolley axle spacer ring, comprising: a first circular ring portion and a second circular ring portion, wherein the first circular ring portion and the second circular ring portion are connected end to end to form a circular ring structure; wherein the first end of the first circular ring portion is rotatably connected to the first end of the second circular ring portion, and the second end of the first circular ring portion is detachably connected to the second end of the second circular ring portion.

[0006] Furthermore, the first end of the first annular portion has a first hinge portion, the first end of the second annular portion has a second hinge portion, and the first hinge portion and the second hinge portion are hingedly connected.

[0007] Furthermore, bolt holes are provided at positions corresponding to the first hinged portion and the second hinged portion, and hinge bolts are connected to the bolt holes.

[0008] Furthermore, the second end of the first annular portion has a first clamping portion, the second end of the second annular portion has a second clamping portion, and the first clamping portion is clamped with the second clamping portion.

[0009] Furthermore, the first clamping portion has a first clamping groove and a first clamping joint, the second clamping portion has a second clamping groove and a second clamping joint, the first clamping joint is clamped in the second clamping groove, and the second clamping joint is clamped in the first clamping groove to form an interlocking structure.

[0010] Furthermore, the first clamping joint and the second clamping joint are both arc-shaped protrusions, and the first clamping groove and the second clamping groove are both arc-shaped grooves.

[0011] Furthermore, the inner diameters of the first annular portion and the second annular portion match the outer diameter of the trolley shaft at the location to be installed.

[0012] Furthermore, the cross-sectional shape of the first annular portion and the second annular portion is a rectangle.

[0013] Furthermore, a protective sheet is provided on the outer side of the connection position between the second end of the first annular portion and the second end of the second annular portion.

[0014] Furthermore, the protective sheet is welded between the first annular portion and the second annular portion.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The utility model does not need to disassemble the trolley and take out the trolley shaft to achieve replacement. The spacer ring can be directly buckled on the trolley shaft, which greatly shortens the time for replacing the spacer ring.

[0017] 2. The utility model replaces the entire spacer ring, which has a longer service life and reduces the replacement frequency compared to the previous replacement of half a spacer ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0019] Figure 1 This is a structural schematic diagram of a trolley axle spacer ring according to an embodiment of the present utility model;

[0020] Figure 2 for Figure 1Cross-sectional view of section AA;

[0021] Figure 3 This is a schematic structural diagram of a trolley axle spacer ring according to an embodiment of the present utility model.

[0022] In the accompanying drawings, they are marked as:

[0023] 1: first annular portion; 11: first hinged portion; 12: first clamping portion; 2: second annular portion; 21: second hinged portion; 22: second clamping portion; 3: hinge bolt; 4: protective sheet. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, 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, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present utility model, "multiple" means two or more, unless otherwise clearly and specifically defined. In addition, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0027] like Figure 1As shown, an embodiment of the present invention provides a trolley shaft spacer ring, comprising a first annular portion 1 and a second annular portion 2, wherein the first annular portion 1 and the second annular portion 2 are connected end to end to form a circular ring structure; wherein the first end of the first annular portion 1 is rotatably connected to the first end of the second annular portion 2, and the second end of the first annular portion 1 is detachably connected to the second end of the second annular portion 2. wherein the inner diameters of the first annular portion 1 and the second annular portion 2 match the outer diameters of the trolley shaft at the location to be installed. Figure 2 As shown, the cross-section of the first annular portion 1 and the second annular portion 2 is rectangular. When replacing the spacer ring, the present invention can be directly snapped onto the trolley shaft, eliminating the need to disassemble the trolley shaft and remove it, significantly reducing the time required to replace the spacer ring. Furthermore, compared to the prior art method of replacing half a spacer ring, the present invention replaces the entire spacer ring, extending its service life and reducing replacement frequency.

[0028] In a specific embodiment, the first end of the first annular portion 1 has a first hinge portion 11, and the first end of the second annular portion 2 has a second hinge portion 21, with the first hinge portion 11 and the second hinge portion 21 being hingedly connected. Bolt holes are provided at positions corresponding to the first and second hinge portions 11 and 21, and hinge bolts 3 are connected to the bolt holes. The second end of the first annular portion 1 has a first clamping portion 12, and the second end of the second annular portion 2 has a second clamping portion 22, with the first clamping portion 12 and the second clamping portion 22 being clamped together.

[0029] Preferably, the first engaging portion 12 has a first engaging groove and a first engaging joint, and the second engaging portion 22 has a second engaging groove and a second engaging joint, the first engaging joint being engaged in the second engaging groove, and the second engaging joint being engaged in the first engaging groove, forming an interlocking structure. The first engaging joint and the second engaging joint are both arc-shaped protrusions, and the first engaging groove and the second engaging groove are both arc-shaped grooves.

[0030] like Figure 3 As shown, a protective sheet 4 is provided outside the connection point between the second end of the first annular portion 1 and the second end of the second annular portion 2. The protective sheet 4 serves to reinforce and protect the connection point. Preferably, the protective sheet 4 is welded between the first annular portion 1 and the second annular portion 2.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A trolley axle spacer ring, characterized in that: include: A first annular portion (1) and a second annular portion (2), wherein the first annular portion (1) and the second annular portion (2) are connected end to end to form an annular structure; The first end of the first annular portion (1) is rotatably connected to the first end of the second annular portion (2), and the second end of the first annular portion (1) is detachably connected to the second end of the second annular portion (2).

2. The trolley axle spacer according to claim 1, characterized in that: The first end of the first annular portion (1) has a first hinge portion (11), the first end of the second annular portion (2) has a second hinge portion (21), and the first hinge portion (11) and the second hinge portion (21) are hingedly connected.

3. The trolley axle spacer according to claim 2, characterized in that: Bolt holes are provided at positions corresponding to the first hinged portion (11) and the second hinged portion (21), and hinge bolts (3) are connected to the bolt holes.

4. The trolley axle spacer according to claim 1, characterized in that: The second end of the first annular portion (1) has a first clamping portion (12), and the second end of the second annular portion (2) has a second clamping portion (22), and the first clamping portion (12) and the second clamping portion (22) are clamped together.

5. The trolley axle spacer according to claim 4, characterized in that: The first clamping portion (12) has a first clamping groove and a first clamping joint, the second clamping portion (22) has a second clamping groove and a second clamping joint, the first clamping joint is clamped in the second clamping groove, and the second clamping joint is clamped in the first clamping groove, forming an interlocking structure.

6. The trolley axle spacer according to claim 5, characterized in that: The first clamping joint and the second clamping joint are both arc-shaped protrusions, and the first clamping groove and the second clamping groove are both arc-shaped grooves.

7. The trolley axle spacer according to claim 1, characterized in that: The inner diameters of the first annular portion (1) and the second annular portion (2) match the outer diameter of the trolley shaft at the location to be installed.

8. The trolley axle spacer according to claim 1, characterized in that: The cross-sectional shapes of the first annular portion (1) and the second annular portion (2) are rectangular.

9. The trolley axle spacer according to any one of claims 1 to 8, characterized in that: A protective sheet (4) is provided outside the connection position between the second end of the first annular portion (1) and the second end of the second annular portion (2).

10. The trolley axle spacer according to claim 9, characterized in that: The protective sheet (4) is welded between the first annular portion (1) and the second annular portion (2).

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