A jacking tool for a slewing mechanism of a reclaimer

Abstract

The utility model relates to material taking machine production frock technical field discloses a kind of jacking frock of material taking machine slewing mechanism, including bottom plate (1) and guide sleeve (6), the support pipe (2) is connected in bottom plate (1), the upper end of the support pipe (2) is connected with bearing plate (4), the bearing plate (4) is equipped with a plurality of bottom disc restriction structure (5), the positioning ring (7) is equipped on the guide sleeve (6), and the hydraulic jack (8) is adapted to be installed between the guide sleeve (6) and the bearing plate (4). The jacking frock of material taking machine slewing mechanism of the utility model is simple in structure, convenient to operate, and good in use effect.

Description

Technical Field

[0001] This utility model relates to the field of tooling technology for material handling machine production, specifically, to a lifting tooling for the rotary mechanism of a material handling machine. Background Technology

[0002] Bucket wheel reclaimers are bulk material handling equipment composed of belt conveyor arms, bucket wheel devices, traveling mechanisms, and slewing mechanisms. They achieve continuous material handling operations through the rotation of the bucket wheel and the coordination of the conveyor belt. This type of equipment is widely used in the handling of bulk materials such as ores and coal in industries such as ports, power plants, and metallurgy.

[0003] The slewing mechanism of the bucket wheel reclaimer mainly consists of two parts: a slewing bearing assembly and a slewing drive device. When replacing the slewing bearing, steel plates are typically placed under the jacks before the jacks are directly operated for lifting. However, the jacks are prone to depressurization or slippage during the lifting process, which could potentially cause the machine to tip over or overturn. Therefore, directly using jacks for lifting is a low-safety and high-risk operation.

[0004] In view of this, there is a need to provide a lifting fixture for the rotary mechanism of the material handling machine to solve or overcome the above-mentioned technical problems. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a lifting fixture for the rotary mechanism of a material handling machine. The lifting fixture for the rotary mechanism of the material handling machine is provided by setting multiple chassis limiting structures on the load-bearing plate, and then setting guide sleeves and positioning rings, thereby realizing the limiting of the jack during the lifting process. The structure is simple, the operation is convenient, and the use effect is good.

[0006] To solve the above-mentioned technical problems, the technical solution proposed by this utility model is as follows: A lifting fixture for a rotating mechanism of a material handling machine includes a base plate and a guide sleeve. A support pipe is connected to the base plate, and a load-bearing plate is connected to the upper end of the support pipe. The load-bearing plate is provided with multiple chassis limiting structures. A positioning ring is provided on the guide sleeve. A hydraulic jack is suitable for installation between the guide sleeve and the load-bearing plate.

[0007] Preferably, the base plate is provided with a plurality of mounting holes, and each mounting hole is evenly distributed around the central axis of the support tube.

[0008] Preferably, the support tube is a hollow circular tube structure with openings at both ends. The support tube is provided with a plurality of first reinforcing ribs, which are arranged in pairs and cross each other. Both ends of each first reinforcing rib are fixedly connected to the inner wall of the support tube.

[0009] Preferably, the first reinforcing rib is a strip steel plate, a hollow round steel bar, or a solid steel bar.

[0010] Preferably, the outer circumferential surface of the support tube is further provided with a plurality of second reinforcing ribs, and the lower end face of each second reinforcing rib is fixedly connected to the upper surface of the base plate.

[0011] Preferably, each of the second reinforcing ribs is evenly distributed around the central axis of the support tube.

[0012] Preferably, the chassis restraint structure is a cuboid block structure, and the number of chassis restraint structures is at least three, with each chassis restraint structure evenly distributed around the central axis of the guide sleeve; or The chassis limiting structure is formed in a ring shape, and the chassis limiting structure is concentrically arranged with the guide sleeve.

[0013] Preferably, the inner circumferential surface of the chassis limiting structure and the upper surface of the load-bearing plate are further provided with a shock-absorbing structure.

[0014] Preferably, the guide sleeve is a groove structure with one open end, and the open end is set downward.

[0015] Preferably, the positioning ring is disposed within the groove structure of the opening of the guide sleeve, the outer peripheral surface of the positioning ring abuts against the inner peripheral surface of the groove structure of the guide sleeve, the upper end of the positioning ring abuts against the bottom surface of the groove structure of the guide sleeve, and the lower end is flush with the lower end surface of the guide sleeve.

[0016] Through the above technical solution, the lifting fixture of the rotary reclaimer mechanism of this utility model includes a base plate and a guide sleeve. A support pipe is connected to the base plate, and a load-bearing plate is connected to the upper end of the support pipe. Multiple chassis limiting structures are provided on the load-bearing plate. A positioning ring is provided on the guide sleeve. A hydraulic jack is suitable for installation between the guide sleeve and the load-bearing plate. The lifting fixture of the rotary reclaimer mechanism of this utility model, by setting multiple chassis limiting structures on the upper surface of the load-bearing plate to limit the lower part of the jack, and simultaneously setting a guide sleeve and a positioning ring inside the guide sleeve to constrain the protruding end of the piston rod of the hydraulic jack, has a simple structure, is easy to operate, and has good performance.

[0017] Other advantages of this utility model and the technical effects of preferred embodiments will be further described in the following detailed description. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of a specific embodiment of the lifting fixture of the rotary mechanism of the material handling machine described in this utility model.

[0019] Explanation of reference numerals in the attached figures 1. Base plate 2. Support pipe 3 Second reinforcing rib 4 Load-bearing plate 5. Chassis limiting structure; 6. Guide sleeve 7 positioning rings 8 hydraulic jacks 9 First reinforcing rib Detailed Implementation It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0020] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation" and "connection" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0021] In the description of this utility model, it should be explained that some directional terms, such as "upper" and "lower," used to clearly illustrate the technical solution of this utility model, refer to the position of the lifting fixture after it is normally installed on the rotating mechanism of the bucket wheel reclaimer. "Upper" means the position closer to the ground is "lower," and vice versa. These terms are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description. They do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as limiting this utility model.

[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features.

[0023] like Figure 1 As shown, this utility model provides a lifting fixture for a rotating mechanism of a material handling machine, including a base plate 1 and a guide sleeve 6. A support pipe 2 is connected to the base plate 1, and a load-bearing plate 4 is connected to the upper end of the support pipe 2. The load-bearing plate 4 is provided with multiple chassis limiting structures 5. A positioning ring 7 is provided on the guide sleeve 6. A hydraulic jack 8 is suitable for installation between the guide sleeve 6 and the load-bearing plate 4.

[0024] This utility model includes a base plate 1 and a guide sleeve 6. The base plate 1 and guide sleeve 6 are not directly connected; however, a hydraulic jack 8 is installed between them. The specific structure is as follows: The base plate 1 serves as a mounting base, connected to a fixed position such as an operating platform or the ground. Generally, welding or fasteners can be used for connection, as long as the position of the base plate 1 remains fixed. A support pipe 2 is connected to the upper surface of the base plate 1, and a load-bearing plate 4 is connected to the upper end of the support pipe 2. The support pipe 2 controls the distance between the base plate 1 and the load-bearing plate 4. Therefore, if the load-bearing plate 4 is placed in a suitable position, the base plate 1 and support pipe 2 can be omitted. Alternatively, a connecting column can be provided on the base plate 1, and multiple mounting holes can be provided on the load-bearing plate 4. After the connecting column passes through the corresponding mounting holes, it is fastened with two nuts or one nut and one elastic washer. Thus, by directly connecting the base plate 1 and the load-bearing plate 4, the load-bearing plate 4 can also be fixed by fixing the base plate 1.

[0025] It is important to note that the lower surface of the fixed base plate 1 and the upper surface of the load-bearing plate 4 should maintain a certain degree of parallelism to avoid uneven loading of the hydraulic jack 8 during use after installation, which would be detrimental to safe production.

[0026] The lifting device of this utility model connects the support pipe 2 and the load-bearing plate 4 on the base plate 1. Multiple chassis limiting structures 5 are set on the load-bearing plate 4 to limit the bottom of the outer shell of the hydraulic jack 8. At the same time, the guide sleeve 6 and the positioning ring 7 can also limit the end of the piston rod of the hydraulic jack 8. Thus, the end of the extended end of the hydraulic jack 8 and the bottom of the shell are simultaneously limited, which can effectively maintain the stability of the hydraulic jack 8.

[0027] In addition, it is known that the center of the circle formed by the multiple chassis limiting structures 5 and the center of the guide sleeve 6 have high concentricity requirements. Therefore, the hydraulic jack 8 can be pushed out normally by adjusting the positioning ring 7.

[0028] In a preferred embodiment of the present invention, the base plate 1 is provided with a plurality of mounting holes, and each mounting hole is evenly distributed around the central axis of the support tube 2.

[0029] As a specific embodiment of this utility model, the base plate 1 is fixed to the ground or other workbench in a detachable connection manner, and therefore has multiple mounting holes. If the base plate 1 is a circular plate structure, each mounting hole can be evenly distributed around the central axis of the support tube 2. If the base plate 1 is a square or rectangular plate structure, each mounting hole can be set at the four corners and four edges of the base plate 1.

[0030] As a specific embodiment of this utility model, multiple process holes can also be provided, sandwiched between two mounting holes, for hoisting the lifting fixture of this utility model, or for placing the lifting fixture of this application.

[0031] In a preferred embodiment of the present invention, the support tube 2 is a hollow circular tube structure with openings at both ends. The support tube 2 is provided with a plurality of first reinforcing ribs 9, which are arranged in pairs and cross each other. Both ends of each first reinforcing rib 9 are fixedly connected to the inner wall of the support tube 2.

[0032] As a specific embodiment of this utility model, the support tube 2 is formed as a hollow circular tube structure with openings at both ends. Multiple first reinforcing ribs 9 are provided in the hollow structure of the support tube 2 to enhance the load-bearing capacity.

[0033] As a specific embodiment of this utility model, the support tube 2 is formed as a hollow cuboid structure with open ends. The cross-section can be formed as a rectangle or a square. Multiple first reinforcing ribs 9 are provided in the hollow structure of the support tube 2 to enhance the load-bearing capacity.

[0034] As a specific embodiment of this utility model, a plurality of first reinforcing ribs 9 are provided in the hollow structure of the support tube 2. Each first reinforcing rib 9 is arranged to cross in pairs, and the crossing parts are connected by welding. This can effectively enhance the structural strength of the first reinforcing ribs 9, thereby enhancing the structural strength of the tube wall of the support tube 2 and increasing the load-bearing capacity of the support tube 2.

[0035] As a specific embodiment of this utility model, a plurality of first reinforcing ribs 9 are provided in the hollow structure of the support tube 2. Each first reinforcing rib 9 is formed into a plate-shaped structure with the same cross-sectional shape as the support tube 2. The four periphery of each first reinforcing rib 9 is welded to the inner wall of the hollow structure of the support tube 2. The first reinforcing ribs 9 are arranged parallel to each other, which can also play a reinforcing role to increase the load-bearing capacity of the support tube 2.

[0036] Of course, each of the first reinforcing ribs 9 can also be set in other structural forms, the purpose of which is to increase the load-bearing capacity of the support tube 2, all of which fall within the protection scope of this utility model.

[0037] In a preferred embodiment of this utility model, the first reinforcing rib 9 is a strip steel plate, a hollow round steel, or a solid steel bar.

[0038] As a specific embodiment of this utility model, when a two-way cross-connection structure is adopted, the first reinforcing rib 9 is made of strip steel plate, hollow round steel or solid steel bar, such as threaded steel, hollow steel pipe, etc. It can also be made of scrap material. The scrap steel plate is cut into strips of appropriate length and crosses in a cross shape or X shape. The ends are then welded to the inner wall of the hollow structure of the support pipe 2.

[0039] As a specific embodiment of this utility model, when multiple parallel structural forms are adopted, the first reinforcing rib 9 adopts a steel plate structure, and its shape is the same as the cross-sectional shape of the support tube 2. The four periphery of the first reinforcing rib 9 is welded to the inner wall of the hollow structure of the support tube 2. The first reinforcing ribs 9 are basically parallel to each other, and the spacing is determined according to actual needs.

[0040] In a preferred embodiment of the present invention, a plurality of second reinforcing ribs 3 are provided on the outer circumferential surface of the support tube 2, and the lower end face of each second reinforcing rib 3 is fixedly connected to the upper surface of the base plate 1.

[0041] As a specific embodiment of this utility model, each of the second reinforcing ribs 3 is formed into a right-angled trapezoid, and the two adjacent right-angled sides are respectively welded to the outer peripheral surface of the support tube 2 and the upper surface of the base plate 1 to fix the support tube 2.

[0042] As a specific embodiment of this utility model, each of the second reinforcing ribs 3 is formed into a right-angled triangle, and the two adjacent right-angled sides are welded to the outer peripheral surface of the support tube 2 and the upper surface of the base plate 1, respectively, to fix the support tube 2.

[0043] It is known that each of the second reinforcing ribs 3 can also be formed into other structural forms, such as rectangles, which can also meet the need for fixing the support tube 2 and are also within the protection scope of this utility model.

[0044] In a preferred embodiment of the present invention, each of the second reinforcing ribs 3 is evenly distributed around the central axis of the support tube 2.

[0045] In a preferred embodiment of the present invention, the chassis limiting structure 5 is a cuboid block structure, and the number of chassis limiting structures 5 is at least three, with each chassis limiting structure 5 being evenly distributed around the central axis of the guide sleeve 6.

[0046] Optionally, the chassis limiting structure 5 is formed into a ring structure, and the chassis limiting structure 5 is concentrically arranged with the guide sleeve 6.

[0047] As a specific embodiment of this utility model, the chassis limiting structure 5 is a cuboid block structure, and the number of chassis limiting structures 5 is at least three. Multiple chassis limiting structures 5 are evenly distributed around the central axis of the guide sleeve 6. The inner side of multiple chassis limiting structures 5 is suitable for abutting against the outer peripheral surface of the housing of the hydraulic jack 8. Thus, an anti-slip structure, such as a rubber pad, can be provided on the inner side of the chassis limiting structure 5.

[0048] As a specific embodiment of this utility model, the chassis limiting structure 5 is formed into a ring structure. The chassis limiting structure 5 is concentrically arranged with the guide sleeve 6. The inner diameter of the chassis limiting structure 5 is the same as or slightly larger than the outer circumferential surface of the hydraulic jack 8. Of course, an anti-slip structure can also be provided on the inner circumferential surface of the chassis limiting structure 5.

[0049] As a preferred embodiment of the present invention, the inner circumferential surface of the chassis limiting structure 5 and the upper surface of the load-bearing plate 4 are further provided with a shock-absorbing structure.

[0050] As a specific embodiment of this utility model, the shock-absorbing structure is preferably a rubber pad.

[0051] In a preferred embodiment of the present invention, the guide sleeve 6 is a groove structure with one end open and the open end facing downward.

[0052] In a preferred embodiment of the present invention, the positioning ring 7 is disposed in the groove structure of the opening of the guide sleeve 6, the outer peripheral surface of the positioning ring 7 is abutted against the inner peripheral surface of the groove structure of the guide sleeve 6, the upper end of the positioning ring 7 is abutted against the bottom surface of the groove structure of the guide sleeve 6, and the lower end is flush with the lower end surface of the guide sleeve 6.

[0053] As a specific embodiment of this utility model, the thickness of the four sides of the guide sleeve 6 and the groove is not less than 20mm.

[0054] As a specific embodiment of this utility model, the thickness of the load-bearing plate 4 and the wall thickness of the support tube 2 are both designed to be no less than 20mm.

[0055] The working process of the lifting fixture of the rotary mechanism of the material handling machine of this utility model is as follows: When replacing the slewing bearing, fix the guide sleeve 6 at the lifting point above the slewing platform of the reclaimer. The base plate 1 is fixedly connected to the ground or other fixed platform, ensuring the center point of the guide sleeve 6 coincides with that of the chassis limiting structure 5. The hydraulic jack 8 is placed within the circle enclosed by the chassis limiting structure 5, with the inner side of the chassis limiting structure 5 against the outer circumference of the hydraulic jack 8's housing. When the hydraulic jack 8 is lifted upwards, the end of the piston rod of the hydraulic jack 8 is inserted into the positioning ring 7. The positioning ring 7 limits the end of the piston rod before continuing to lift. This provides a safe working environment for replacing the slewing bearing. It should be noted that during the piston rod lifting process, there is a certain gap between the lower end face of the guide sleeve 6 and the upper end face of the hydraulic jack 8's housing. To ensure no risk occurs, a circular shim can be inserted into the gap. Even if the hydraulic jack 8 depressurizes, the safety of the operation can still be guaranteed.

[0056] As an optimal embodiment of the lifting fixture for the rotary mechanism of the material handling machine of this utility model, it includes a base plate 1 and a guide sleeve 6. A support pipe 2 is connected to the base plate 1 of the chassis limiting structure, and a load-bearing plate 4 is connected to the upper end of the support pipe 2. Multiple chassis limiting structures 5 are provided on the load-bearing plate 4. A positioning ring 7 is provided on the guide sleeve 6 of the chassis limiting structure. A hydraulic jack 8 is suitable for installation between the guide sleeve 6 and the load-bearing plate 4 of the chassis limiting structure. Multiple mounting holes are provided on the base plate 1 of the chassis limiting structure, and the mounting holes of each chassis limiting structure are evenly distributed around the central axis of the support pipe 2. The support pipe 2 of the chassis limiting structure is a hollow circular tube structure with open ends. Multiple first reinforcing ribs 9 are provided inside the support pipe 2 of the chassis limiting structure. The first reinforcing ribs 9 of each chassis limiting structure are arranged in pairs and cross each other. Both ends of each first reinforcing rib 9 of each chassis limiting structure are fixedly connected to the inner wall of the support pipe 2 of the chassis limiting structure. The first reinforcing ribs 9 are solid steel bars. Multiple second reinforcing ribs 3 are also provided on the outer circumferential surface of the chassis limiting structure support pipe 2. The lower end face of each chassis limiting structure second reinforcing rib 3 is fixedly connected to the upper surface of the chassis limiting structure base plate 1, and each chassis limiting structure second reinforcing rib 3 is evenly distributed around the central axis of the chassis limiting structure support pipe 2. The chassis limiting structure 5 is a cuboid block structure, and there are at least three chassis limiting structures 5. Each chassis limiting structure 5 is evenly distributed around the central axis of the chassis limiting structure guide sleeve 6. The inner circumferential surface of the chassis limiting structure 5 and the upper surface of the chassis limiting structure load-bearing plate 4 are also provided with shock-absorbing structures. The chassis limiting structure guide sleeve 6 is a groove structure with one open end, and the open end is set downward. The chassis limiting structure positioning ring 7 is set in the groove structure of the opening of the chassis limiting structure guide sleeve 6. The outer peripheral surface of the chassis limiting structure positioning ring 7 is attached to the inner peripheral surface of the groove structure of the chassis limiting structure guide sleeve 6. The upper end of the chassis limiting structure positioning ring 7 is attached to the bottom surface of the groove structure of the chassis limiting structure guide sleeve 6, and the lower end is flush with the lower end surface of the chassis limiting structure guide sleeve 6.

[0057] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various simple modifications can be made to the technical solution of the present invention, and these simple modifications all fall within the protection scope of the present invention.

[0058] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable way without contradiction. In order to avoid unnecessary repetition, this utility model will not describe the various possible combinations separately.

[0059] Furthermore, various different embodiments of this utility model can be combined in any way, as long as they do not violate the spirit of this utility model, they should also be regarded as the content disclosed by this utility model.

Claims

1. A lifting fixture for a rotary mechanism of a material handling machine, characterized in that, It includes a base plate (1) and a guide sleeve (6). A support pipe (2) is connected to the base plate (1). A load-bearing plate (4) is connected to the upper end of the support pipe (2). Multiple chassis restriction structures (5) are provided on the load-bearing plate (4). A positioning ring (7) is provided on the guide sleeve (6). A hydraulic jack (8) is suitable for installation between the guide sleeve (6) and the load-bearing plate (4).

2. The lifting fixture for the rotary mechanism of the reclaimer according to claim 1, characterized in that, The base plate (1) is provided with a plurality of mounting holes, and each mounting hole is evenly distributed around the central axis of the support tube (2).

3. The lifting fixture for the rotary mechanism of the material handling machine according to claim 1, characterized in that, The support tube (2) is a hollow circular tube structure with openings at both ends. The support tube (2) is provided with a plurality of first reinforcing ribs (9). Each first reinforcing rib (9) is arranged in pairs and the two ends of each first reinforcing rib (9) are fixedly connected to the inner wall of the support tube (2).

4. The lifting fixture for the rotary mechanism of the reclaimer according to claim 3, characterized in that, The first reinforcing rib (9) is a strip steel plate, a hollow round steel or a solid steel bar.

5. The lifting fixture for the rotary mechanism of the reclaimer according to claim 1, characterized in that, The outer circumferential surface of the support tube (2) is also provided with a plurality of second reinforcing ribs (3), and the lower end face of each second reinforcing rib (3) is fixedly connected to the upper surface of the base plate (1).

6. The lifting fixture for the rotary mechanism of the reclaimer according to claim 5, characterized in that, Each of the second reinforcing ribs (3) is evenly distributed around the central axis of the support tube (2).

7. The lifting fixture for the rotary mechanism of the reclaimer according to claim 1, characterized in that, The chassis restraint structure (5) is a cuboid block structure, and there are at least three chassis restraint structures (5), which are evenly distributed around the central axis of the guide sleeve (6); or The chassis limiting structure (5) is formed into a ring structure, and the chassis limiting structure (5) and the guide sleeve (6) are concentrically arranged.

8. The lifting fixture for the rotary mechanism of the reclaimer according to claim 7, characterized in that, The inner circumferential surface of the chassis limiting structure (5) and the upper surface of the load-bearing plate (4) are also provided with a shock-absorbing structure.

9. The lifting fixture for the rotary mechanism of the reclaimer according to any one of claims 1 to 7, characterized in that, The guide sleeve (6) is a groove structure with one end open and the open end facing downwards.

10. The lifting fixture for the rotary mechanism of the reclaimer according to claim 9, characterized in that, The positioning ring (7) is disposed in the groove structure of the opening of the guide sleeve (6). The outer peripheral surface of the positioning ring (7) is attached to the inner peripheral surface of the groove structure of the guide sleeve (6). The upper end of the positioning ring (7) is attached to the bottom surface of the groove structure of the guide sleeve (6), and the lower end is flush with the lower end surface of the guide sleeve (6).

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