A lifting fixture suitable for thin-walled graphite cylindrical parts

Abstract

This application discloses a lifting fixture suitable for thin-walled graphite cylindrical parts, including an upper fastening mechanism and a bottom support mechanism. The upper fastening mechanism includes a first semi-circular sleeve and a second semi-circular sleeve, which are hinged at one end and detachably connected at the other end. The inner rings of the first and second semi-circular sleeves are symmetrically provided with arc-shaped bushings. When the first and second semi-circular sleeves are enclosed to form a circle, they are symmetrically fitted on both sides of the graphite cylindrical part through the arc-shaped bushings. The outer rings of the first and second semi-circular sleeves are symmetrically provided with vertical lifting holes and a first horizontal lifting hole. The bottom support mechanism includes a first tray and a second tray for supporting the graphite cylindrical part. The first tray and the second tray are respectively connected to the bottom of the first and second semi-circular sleeves through connecting arms. The top of the trays are respectively provided with arc-shaped limiting parts corresponding to the arc-shaped bushings. The lower part of the connecting arms is provided with a second horizontal lifting hole, which enables safer and more reliable lifting of thin-walled graphite cylindrical parts and is convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of lifting fixture technology, and in particular to a lifting fixture suitable for thin-walled graphite cylindrical parts. Background Technology

[0002] With the rapid development of silicon carbide and solar photovoltaic industries, the demand for graphite thin-walled parts such as graphite hot zones is becoming increasingly strong. Since graphite is a brittle material with a heterogeneous structure, it is prone to local breakage during hoisting. In particular, for thin-walled graphite cylindrical parts, the clamping force of the lifting device is difficult to control, and the workpiece is easily damaged when lifting thin-walled graphite cylindrical parts, resulting in a large potential risk of economic loss. Utility Model Content

[0003] This application provides a lifting fixture suitable for thin-walled graphite cylindrical parts, which can lift thin-walled graphite cylindrical parts more safely and reliably, and is easy to use.

[0004] This application provides a lifting fixture suitable for thin-walled graphite cylindrical parts, including an upper fastening mechanism and a bottom support mechanism. The upper fastening mechanism includes a first semi-circular sleeve and a second semi-circular sleeve. The first semi-circular sleeve and the second semi-circular sleeve are hinged at one end and detachably connected at the opposite end. The inner rings of the first semi-circular sleeve and the second semi-circular sleeve are symmetrically provided with arc-shaped bushings so that when the first semi-circular sleeve and the second semi-circular sleeve are enclosed to form a circle, they can be fitted onto both sides of the graphite cylindrical part through the arc-shaped bushings. The first semi-circular sleeve and the second semi-circular sleeve are symmetrically provided with vertical lifting holes and a first horizontal lifting hole on their outer rings. The bottom support mechanism includes a first tray and a second tray for supporting the graphite cylindrical component. The first tray and the second tray are respectively connected to the first semi-circular sleeve and the second semi-circular sleeve directly below them via connecting arms. The top of the first tray and the second tray are respectively provided with arc-shaped limiting members corresponding to the arc-shaped bushing. The lower part of the connecting arm is provided with a second horizontal lifting hole directly opposite the first horizontal lifting hole.

[0005] In one possible implementation, one end of the first semicircular sleeve and the second semicircular sleeve are hinged by an external hinge. The other end of the first semicircular sleeve is provided with a first flange structure. An internal hinge is provided on the inner side of the first flange structure, and a quick-release screw is hinged to the internal hinge. The other end of the second semicircular sleeve is provided with a second flange structure. The second flange structure is provided with a socket. The quick-release screw cooperates with the socket. A limiting member and a spring are respectively sleeved on the quick-release screw. The limiting member is located between the first flange structure and the second flange structure, and the spring is located between the head of the quick-release screw and the second flange structure.

[0006] In one possible implementation, the outer side of the second flange structure is provided with a groove suitable for accommodating the spring.

[0007] In one possible implementation, the head of the quick-release screw is provided with a handle.

[0008] In one possible implementation, the limiting element is a limiting nut, which is threadedly engaged with the quick-release screw.

[0009] In one possible implementation, the connecting arm protrudes upward from the first semicircular sleeve and the second semicircular sleeve, respectively, and the vertical lifting hole is opened in the protruding part. The outer side of the connecting arm is vertically connected to a first horizontal lifting lug, and the first horizontal lifting hole is opened in the first horizontal lifting lug.

[0010] In one possible implementation, the connecting arm includes a lifting ring arm and a pallet arm. The lifting ring arm is rotatably connected to the outer rings of the first semicircular sleeve and the second semicircular sleeve respectively via pins. The vertical lifting hole and the first horizontal lifting lug are both located on the lifting ring arm. A connecting groove is provided at the bottom of the lifting ring arm. The top of the pallet arm is embedded in the connecting groove and connected by a quick-release pin. The bottoms of the two pallet arms are respectively connected to the first pallet and the second pallet.

[0011] In one possible implementation, the bottom of the lifting arm and the top of the pallet arm are provided with a plurality of positioning holes in the vertical direction, and the positioning holes cooperate with the quick-release pins.

[0012] In one possible implementation, the inner side of the pallet arm is connected to a reinforcing rib extending in a vertical direction, and the bottom of the reinforcing rib is simultaneously connected to the first pallet / second pallet and the arc-shaped limiting member.

[0013] Beneficial effects: Compared with the prior art, the lifting fixture for thin-walled graphite cylindrical parts provided in this application can effectively fix the graphite cylindrical parts through the cooperation of the upper fastening mechanism and the bottom support mechanism. At the same time, the arc-shaped bushing can reduce the contamination of the graphite parts and play a role in buffering and shock absorption. It can greatly avoid the problem of local breakage of graphite parts during the lifting process, making the lifting safer, more reliable and convenient to use. The combination of horizontal and vertical lifting holes enables both horizontal and vertical lifting operations to be carried out simultaneously, making it highly adaptable. The clamping force of the spring can be constrained by the limiting nut, thus adapting to the lifting work of graphite cylindrical parts with different wall thicknesses, and has a wide range of applications; During the lifting process, the lifting arm can rotate the graphite cylindrical part around the pivot pin, which can further reduce the probability of damage during the lifting process. The clamping position of the upper clamping mechanism can be flexibly adjusted by the combination of positioning holes and quick-release pins, making it suitable for lifting graphite cylindrical parts of different heights.

[0014] These and other objects, features and advantages of this utility model will be fully realized through the following detailed description. Attached Figure Description

[0015] Figure 1 This paper presents a three-dimensional structural schematic diagram of a lifting fixture applicable to thin-walled graphite cylindrical parts according to this application.

[0016] Figure 2 The diagram shows a structural schematic of a lifting fixture for thin-walled graphite cylindrical parts, applicable to this application, when clamping the graphite cylindrical parts.

[0017] Figure 3 A partial structural schematic diagram of a lifting fixture applicable to thin-walled graphite cylindrical parts is shown. Detailed Implementation

[0018] The following description is intended to disclose the present invention so that those skilled in the art can implement it. The preferred embodiments described below are merely examples, and other obvious variations will occur to those skilled in the art. The basic principles of the present invention defined in the following description can be applied to other embodiments, modifications, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0019] Those skilled in the art should understand that, in the disclosure of this specification, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this utility model.

[0020] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0021] refer to Figures 1 to 3This application provides a lifting fixture suitable for thin-walled graphite cylindrical parts, including an upper fastening mechanism 10 and a bottom support mechanism 20. The upper fastening mechanism 10 includes a first semi-circular sleeve 11 and a second semi-circular sleeve 12, wherein the first semi-circular sleeve 11 and the second semi-circular sleeve 12 are hinged at one end and detachably connected at the opposite end. The inner rings of the first semi-circular sleeve 11 and the second semi-circular sleeve 12 are symmetrically provided with arc-shaped bushings 13, so that when the first semi-circular sleeve 11 and the second semi-circular sleeve 12 are enclosed to form a circle, the arc-shaped bushings 13 can be fitted onto both sides of the graphite cylindrical part 30. In addition, the first semi-circular sleeve 11 and the second semi-circular sleeve 12 are symmetrically provided with a vertical lifting hole 101 and a first horizontal lifting hole 102 on their outer rings. The bottom support mechanism 20 includes a first tray 21 and a second tray 22 for supporting the graphite cylindrical component 30. The first tray 21 and the second tray 22 are respectively connected to the first semi-circular sleeve 11 and the second semi-circular sleeve 12 directly below them via a connecting arm 40. At the same time, the top of the first tray 21 and the second tray 22 are respectively provided with arc-shaped limiting members 23 corresponding to the arc-shaped bushing 13, and the lower part of the connecting arm 40 is provided with a second horizontal lifting hole 401 facing the first horizontal lifting hole 102.

[0022] Therefore, the lifting fixture for thin-walled graphite cylindrical parts provided in this application can effectively clamp and fix the graphite cylindrical part 30 through the cooperation of the upper fastening mechanism 10 and the bottom support mechanism 20. The arc-shaped bushing 13 can reduce contamination of the graphite cylindrical part 30 and play a role in buffering and shock absorption, avoiding the problem of local breakage of the graphite cylindrical part 30. The first tray 21 and the second tray 22 can play a role in supporting and protecting the bottom of the graphite cylindrical part 30 during the lifting process, which can further enhance the stability of the graphite cylindrical part 30 and avoid the edge collision that may occur during the lifting process. The arc-shaped limiting part 23 can play a role in positioning, which can facilitate the quick and accurate placement of the graphite cylindrical part 30, and can also play a role in circumferential limiting, further improving the lifting stability of the graphite cylindrical part 30. That is, the lifting fixture has the functions of upper clamping, local buffering and shock absorption, lower support and lower limiting.

[0023] In one embodiment, one end of the first semicircular sleeve 11 and the second semicircular sleeve 12 are hinged by an outer hinge 14. The other end of the first semicircular sleeve 11 is provided with a first flange structure 111. An inner hinge 112 is provided on the inner side of the first flange structure 111, and a quick-release screw 113 is hinged to the inner hinge 112. The other end of the second semicircular sleeve 12 is provided with a second flange structure 121. The second flange structure 121 is provided with a socket 103, and the quick-release screw 113 cooperates with the socket 103. The quick-release screw 113 is respectively fitted with a limiting member 114 and a spring 115. The limiting member 114 is located between the first flange structure 111 and the second flange structure 121, and the spring 115 is located between the head of the quick-release screw 113 and the second flange structure 121. In this way, the limiting member 114 and the spring 115 cooperate to make the spring 115 have a predetermined elastic clamping force, thereby realizing the connection between the first flange structure 111 and the second flange structure 121.

[0024] More preferably, the outer side of the second flange structure 121 is provided with a groove 104 suitable for accommodating the spring 115, which can facilitate the quick and accurate installation of the spring 115. At the same time, the groove 104 can also limit the spring 115, so that the spring 115 can elastically extend and retract in a predetermined direction.

[0025] In one embodiment, the head of the quick-release screw 113 is provided with a handle 116 to facilitate manual control of the quick-release screw 113.

[0026] In one embodiment, the limiting member 114 is a limiting nut, and the limiting member 114 is threadedly engaged with the quick-release screw 113. Thus, the position of the limiting member 114 on the quick-release screw 113 can be changed by rotating the limiting member 114, thereby constraining the spring 115 and giving it different clamping forces. By adjusting the limiting nut to a suitable position through trial lifting, it can adapt to the lifting of graphite cylindrical parts 30 with different wall thicknesses, and is reliable in operation and has a wide range of applications.

[0027] In one embodiment, the connecting arm 40 protrudes upward from the first semicircular sleeve 11 and the second semicircular sleeve 12, respectively, and the vertical lifting hole 101 is formed in the protruding portion. A first horizontal lifting lug 43 is vertically connected to the outer side of the connecting arm 40, and the first horizontal lifting hole 102 is formed in the first horizontal lifting lug 43.

[0028] In one embodiment, the connecting arm 40 includes a lifting ring arm 41 and a tray arm 42. The lifting ring arm 41 is rotatably connected to the outer rings of the first semicircular sleeve 11 and the second semicircular sleeve 12 via pins 411. The vertical lifting hole 101 and the first horizontal lifting lug 43 are both located on the lifting ring arm 41. A connecting groove is provided at the bottom of the lifting ring arm 41. The top of the tray arm 42 is embedded in the connecting groove and connected by a quick-release pin 44. The bottoms of the two tray arms 42 are respectively connected to the first tray 21. The second tray 22 and the connecting arm 40 make the connecting arm 40 a detachable structure. For graphite cylindrical parts with large wall thickness, the quick-release pin 44 can be pulled out to remove the tray arm 42, the first tray 21 and the second tray 22. Only the upper clamping mechanism 10 is used to clamp and fix the graphite cylindrical part 30 for hoisting. The overall adaptability is strong. At the same time, during the hoisting process, the graphite cylindrical part 30 can be rotated along the axis of the pin 411 based on the hinge relationship between the lifting ring arm 41 and the pin 411 to realize the up and down flipping of the graphite cylindrical part 30. During the processing, the probability of damage to the graphite cylindrical part 30 can be greatly reduced.

[0029] In one embodiment, the bottom of the lifting arm 41 and the top of the pallet arm 42 are provided with a plurality of positioning holes 402 in the vertical direction. The positioning holes 402 cooperate with the quick-release pins 44. Thus, the clamping position of the upper clamping mechanism 10 can be flexibly adjusted by cooperating with the quick-release pins 44 and the positioning holes 402 at different heights, so as to meet the lifting of graphite cylindrical parts 30 at different heights and reduce the pressure on the graphite cylindrical parts 30.

[0030] In one embodiment, the inner side of the pallet arm 42 is connected to a reinforcing rib plate 421 extending in a vertical direction. At the same time, the bottom of the reinforcing rib plate 421 is connected to the first pallet 21 / the second pallet 22 and the arc-shaped limiting member 23. That is, the reinforcing rib plate 421 at the first pallet 21 is connected to the corresponding pallet arm 42, the first pallet 21 and the arc-shaped limiting member 23. The reinforcing rib plate 421 at the second pallet 22 is connected to the corresponding pallet arm 42, the second pallet 22 and the arc-shaped limiting member 23. This can strengthen the connection strength between the various components and improve the overall structural stability of the lifting fixture.

[0031] The reinforcing rib 421 can be a triangular rib that extends vertically, which can maximize the structural strength of the pallet arm 42.

[0032] It should be noted that the terms "first" and "second" used in this application are for descriptive purposes only and do not indicate any order. They should not be construed as indicating or implying relative importance, and can be interpreted as names.

[0033] Those skilled in the art should understand that the embodiments of the present invention described above and shown in the accompanying drawings are merely examples and do not limit the present invention. The advantages of the present invention have been fully and effectively realized. The functions and structural principles of the present invention have been shown and explained in the embodiments, and any modifications or variations may be made to the implementation of the present invention without departing from the stated principles.

Claims

1. A lifting fixture suitable for thin-walled graphite cylindrical parts, characterized in that, It includes an upper fastening mechanism and a bottom support mechanism. The upper fastening mechanism includes a first semicircular sleeve and a second semicircular sleeve. The first semicircular sleeve and the second semicircular sleeve are hinged at one end and detachably connected at the opposite end. The inner rings of the first semicircular sleeve and the second semicircular sleeve are symmetrically provided with arc-shaped bushings so that when the first semicircular sleeve and the second semicircular sleeve are enclosed to form a circle, they can be fitted onto both sides of the graphite cylindrical part through the arc-shaped bushings. The first semicircular sleeve and the second semicircular sleeve are symmetrically provided with vertical lifting holes and a first horizontal lifting hole on their outer rings. The bottom support mechanism includes a first tray and a second tray for supporting the graphite cylindrical component. The first tray and the second tray are respectively connected to the first semi-circular sleeve and the second semi-circular sleeve directly below them via connecting arms. The top of the first tray and the second tray are respectively provided with arc-shaped limiting members corresponding to the arc-shaped bushing. The lower part of the connecting arm is provided with a second horizontal lifting hole directly opposite the first horizontal lifting hole.

2. The lifting fixture for thin-walled graphite cylindrical parts as described in claim 1, characterized in that, One end of the first semicircular sleeve and the second semicircular sleeve are hinged by an external hinge. The other end of the first semicircular sleeve is provided with a first flange structure. The inner side of the first flange structure is provided with an internal hinge. The internal hinge is hinged to a quick-release screw. The other end of the second semicircular sleeve is provided with a second flange structure. The second flange structure is provided with a socket. The quick-release screw cooperates with the socket. A limiting member and a spring are respectively sleeved on the quick-release screw. The limiting member is located between the first flange structure and the second flange structure. The spring is located between the head of the quick-release screw and the second flange structure.

3. The lifting fixture for thin-walled graphite cylindrical parts as described in claim 2, characterized in that, The outer side of the second flange structure is provided with a groove suitable for accommodating the spring.

4. The lifting fixture for thin-walled graphite cylindrical parts as described in claim 2, characterized in that, The quick-release screw has a handle at its head.

5. The lifting fixture for thin-walled graphite cylindrical parts as described in claim 2, characterized in that, The limiting component is a limiting nut, which is threadedly engaged with the quick-release screw.

6. The lifting fixture for thin-walled graphite cylindrical parts as described in claim 1, characterized in that, The connecting arm protrudes upward from the first semicircular sleeve and the second semicircular sleeve respectively. The vertical lifting hole is opened in the protruding part. The outer side of the connecting arm is vertically connected to the first horizontal lifting lug. The first horizontal lifting hole is opened in the first horizontal lifting lug.

7. The lifting fixture for thin-walled graphite cylindrical parts as described in claim 6, characterized in that, The connecting arm includes a lifting ring arm and a pallet arm. The lifting ring arm is rotatably connected to the outer rings of the first semicircular sleeve and the second semicircular sleeve respectively by a pin. The vertical lifting hole and the first horizontal lifting lug are both located on the lifting ring arm. A connecting groove is provided at the bottom of the lifting ring arm. The top of the pallet arm is embedded in the connecting groove and connected by a quick-release pin. The bottoms of the two pallet arms are respectively connected to the first pallet and the second pallet.

8. The lifting fixture for thin-walled graphite cylindrical parts as described in claim 7, characterized in that, The bottom of the lifting arm and the top of the pallet arm are provided with a plurality of positioning holes in the vertical direction, and the positioning holes cooperate with the quick-release pins.

9. The lifting fixture for thin-walled graphite cylindrical parts as described in claim 7, characterized in that, The inner side of the pallet arm is connected to a reinforcing rib plate extending in a vertical direction, and the bottom of the reinforcing rib plate is simultaneously connected to the first pallet / second pallet and the arc-shaped limiting member.

10. The lifting fixture for thin-walled graphite cylindrical parts as described in claim 9, characterized in that, The reinforcing rib is a triangular rib.

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