Gravity type inner hole lifting appliance

Abstract

The utility model provides a gravity type inner hole lifting appliance which comprises a middle supporting rod, a connecting lifting ring, an upper chuck, an adjustable limiting ejector rod assembly, a sliding adjusting pipe assembly, a side protection plate, a lower baffle disc, an anti-skid clamping lifting plate, a lower lifting lug plate, a hook, a connecting plate, a first rotating shaft and a middle sliding groove hole. The connecting lifting ring is in threaded connection with the upper part of the middle supporting rod; the upper part and the lower part of the middle supporting rod are respectively provided with threads; the upper chuck is in threaded connection with the upper portion of the middle supporting rod and located on the lower portion of the connecting hanging ring. The adjustable limiting ejector rod assemblies are connected to the left side and the right side of the interior of the upper chuck through bolts correspondingly. According to the utility model, limiting and jacking arrangement is carried out according to different diameters of the inner ring, the safety in the hoisting process is improved, the anti-skid safety performance is improved under the matching of anti-skid grains of the anti-skid clamping pad, the whole structure is simple, and the use and the operation are convenient.

Description

Technical Field

[0001] The utility model belongs to the technical field of slings, and in particular relates to a gravity type inner hole sling. Background Art

[0002] A sling refers to a device used in lifting machinery to lift heavy objects. The most commonly used slings for lifting finished items are hooks and slings. Others include lifting rings, lifting suction cups, clamps and forks. Slings are widely used in the lifting and hoisting industry. The aircraft engine is the "heart" of the aircraft and is known as the "crown jewel of modern industry". Its manufacturing level is an important symbol of a country's military equipment, scientific and technological industrial level and comprehensive national strength. In recent years, foreign engine manufacturers, such as SNECMA and Pratt & Whitney (PW), have transformed and upgraded from traditional manual assembly mode to automated, digital and intelligent advanced manufacturing technology, especially in production lines and core equipment. The investment effect is obvious. When assembling and transporting aircraft engines, internal support slings are required.

[0003] Whether the design of the tooling and fixtures for aircraft engine assembly is scientific and reasonable directly affects the assembly efficiency and safety of the engine, and is also related to the engine's performance, life and working reliability. Due to the different structures and external dimensions of various types of engines, the working conditions, technical requirements and manufacturing precision of various components, parts and units are different, and their assembly often requires "tailor-made" tooling and fixtures.

[0004] For the hoisting of cylindrical components and similar structural units and sub-components, flanges are traditionally connected to the hoisted objects by bolts, or they are hoisted by tying with slings.

[0005] However, the existing gravity-type inner hole hanger still has the problems of not being able to perform position limiting and tightening settings according to different inner ring diameters, having low anti-slip safety performance and being inconvenient to use and operate.

[0006] In view of this, it is very necessary to invent a gravity type inner hole hanger. Utility Model Content

[0007] In order to solve the above technical problems, the utility model provides a gravity-type inner hole hanger to solve the problems that the existing gravity-type inner hole hanger has no limit and tightening setting according to different inner ring diameters, has low anti-slip safety performance and is inconvenient to use and operate.

[0008] A gravity-type inner hole hanger, comprising an intermediate support rod, a connecting lifting ring, an upper chuck, an adjustable limit push rod assembly, a sliding adjustment tube assembly, a side guard plate, a lower baffle, an anti-slip clamping hanging plate, a lower lifting ear plate, a hook, a connecting plate, a first rotating shaft and an intermediate slide slot hole, wherein the connecting lifting ring is threadedly connected to the upper part of the intermediate support rod; the upper and lower parts of the intermediate support rod are respectively provided with threads; the upper chuck is threadedly connected to the upper part of the intermediate support rod and is located at the lower part of the connecting lifting ring; the adjustable limit push rod assembly is bolted to the left and right sides of the interior of the upper chuck respectively Position; the sliding adjustment tube assembly is sleeved on the outside of the middle support rod and is located at the lower part of the adjustable limit top rod assembly; the lower screw of the side guard plate is connected to the front upper position of the lower hanging ear plate; the lower baffle is threadedly connected to the outer lower side of the middle support rod; the upper part of the anti-slip clamping hanging plate is axially connected to the two sides of the sliding adjustment tube assembly, and the other end is axially connected to the outer top end of the connecting plate through the first rotating axis; the connecting plate is axially connected to the lower hanging ear plate and the inner lower position of the lower hanging ear plate respectively; the middle slide slot hole is longitudinally opened in the upper middle position of the side guard plate.

[0009] Preferably, the sliding adjustment tube assembly includes an intermediate sliding tube, a connecting support plate, a second rotating shaft, a finger ring and a sliding shaft, the connecting support plate being screwed to the lower positions on the left and right sides of the intermediate sliding tube respectively; the second rotating shaft being embedded in the right side of the connecting support plate; the finger ring being welded to the upper outer position of the connecting support plate respectively; and the sliding shaft being threadedly connected to the middle position of the lower front side of the intermediate sliding tube.

[0010] Preferably, the anti-skid clamping hanger plate is provided with connecting holes on the upper and lower sides respectively, the outer side screws of the anti-skid clamping hanger plate are connected with anti-skid clamping pads, and the upper middle position of the anti-skid clamping hanger plate is provided with side sliding groove holes.

[0011] Preferably, threaded holes are provided around the upper chuck, and an upper sliding through hole is provided in the middle of the upper chuck.

[0012] Preferably, the adjustable limit push rod assembly includes a storage tube, a fixing hole, a buffer seat, a locking screw, and a threaded column, wherein the fixing hole is opened in the middle position of the upper outer side of the storage tube; the buffer seat is threadedly connected to the lower end of the storage tube; the locking screw is threadedly connected in the fixing hole; and the threaded column is threadedly connected to the upper inner side of the storage tube.

[0013] Preferably, the outer surface of the anti-skid clamping pad is laterally provided with a straight anti-skid pattern.

[0014] Preferably, the middle sliding tube is sleeved on the outer lower side of the middle supporting rod.

[0015] Preferably, the sliding shaft is slidably engaged in the middle sliding groove hole.

[0016] Preferably, the upper portion of the anti-slip clamping hanger plate is fixed to the inner side of the connecting support plate by a second rotating shaft, and the lower portion of the anti-slip clamping hanger plate is fixed to the inner side of the connecting plate by a first rotating shaft.

[0017] Preferably, two side guard plates are provided and are arranged symmetrically front and back.

[0018] Preferably, the buffer seat is located at the upper part of the middle sliding tube.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model relates to a gravity-type inner hole hoist. When in use, a finger is inserted into the finger ring to lift the hoist and extend it into the inner hole diameter of the tool to be lifted. The finger ring is loosened to allow the middle slide tube to slide along the middle slide slot hole under the action of gravity, and then the anti-skid clamping hanging plate is opened so that the anti-skid clamping pad is pressed tightly against the inner wall of the workpiece. By loosening the receiving tube, the buffer seat is pressed tightly against the upper part of the middle slide tube, which plays a role of limiting blocking, ensuring that the workpiece will not slip during the lifting process, improving the safety of lifting, and the lifting can be carried out by hanging the hook of the lifting equipment on the connecting lifting ring.

[0021] The utility model gravity-type inner hole hoist has a limit tightening setting according to different inner ring diameters, which improves the safety of the hoisting process. The anti-skid safety performance is improved with the cooperation of the anti-skid patterns of the anti-skid clamping pad. The overall structure is simple and easy to use and operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the utility model.

[0023] Figure 2 It is a structural schematic diagram of the middle support rod of the utility model.

[0024] Figure 3 It is a structural schematic diagram of the anti-skid clamping hanging plate of the utility model.

[0025] Figure 4 It is a structural schematic diagram of the adjustable limiting ejector rod assembly of the utility model.

[0026] Figure 5 It is a structural schematic diagram of the sliding adjustment tube assembly of the utility model.

[0027] In the figure:

[0028] 1. Middle support rod; 2. Connecting lifting ring; 3. Upper chuck; 4. Adjustable limit push rod assembly; 41. Storage tube; 42. Fixing hole; 43. Buffer seat; 44. Locking screw; 45. Threaded column; 5. Sliding adjustment tube assembly; 51. Middle sliding tube; 52. Connecting support plate; 53. Second rotating axis; 54. Finger ring; 55. Sliding axis; 6. Side guard plate; 7. Lower baffle plate; 8. Anti-skid clamping hanging plate; 81. Connecting hole; 82. Anti-skid clamping pad; 83. Side slide slot hole; 9. Lower lifting ear plate; 10. Hook; 11. Connecting plate; 12. First rotating axis; 13. Middle slide slot hole. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings:

[0030] Example:

[0031] As attached Figure 1 To Attachment Figure 2 As shown, the utility model provides a gravity-type inner hole hanger, including an intermediate support rod 1, a connecting ring 2, an upper chuck 3, an adjustable limit push rod assembly 4, a sliding adjustment tube assembly 5, a side guard plate 6, a lower baffle 7, an anti-slip clamping hanging plate 8, a lower hanging ear plate 9, a hook 10, a connecting plate 11, a first rotating shaft 12 and an intermediate slide slot hole 13, the connecting ring 2 is threadedly connected to the upper part of the intermediate support rod 1; the upper and lower parts of the intermediate support rod 1 are respectively provided with threads; the upper chuck 3 is threadedly connected to the upper part of the intermediate support rod 1 and is located at the lower part of the connecting ring 2, the upper chuck 3 is provided with threaded holes around it, and the middle position of the upper chuck 3 is provided with an upper sliding through hole; the adjustable limit push rod assembly 4 is respectively Bolts are connected to the left and right sides of the interior of the upper chuck 3; the sliding adjustment tube assembly 5 is sleeved on the outside of the middle support rod 1 and is located at the lower part of the adjustable limit push rod assembly 4; the lower screw of the side guard plate 6 is connected to the front upper side of the lower hanging ear plate 9, and the side guard plate 6 is provided with two and is symmetrically arranged in the front and back shape; the lower baffle plate 7 is threadedly connected to the outer lower side of the middle support rod 1; the upper part of the anti-slip clamping hanging plate 8 is axially connected to the two sides of the sliding adjustment tube assembly 5, and the other end is axially connected to the outer top end of the connecting plate 11 through the first rotating shaft 12; the connecting plate 11 is axially connected to the lower inner lower position of the lower hanging ear plate 9 and the lower hanging ear plate 9 respectively; the middle slide slot hole 13 is longitudinally opened in the upper middle position of the side guard plate 6.

[0032] As attached Figure 5As shown, in the above implementation scheme, specifically, the sliding adjustment tube assembly 5 includes an intermediate sliding tube 51, a connecting support plate 52, a second rotating shaft 53, a finger ring 54 and a sliding shaft 55, the connecting support plate 52 is respectively screwed to the lower positions of the left and right sides of the intermediate sliding tube 51; the second rotating shaft 53 is embedded in the right side of the connecting support plate 52; the finger ring 54 is respectively welded to the upper outer position of the connecting support plate 52; the sliding shaft 55 is threadedly connected to the middle position of the front lower side of the intermediate sliding tube 51; the intermediate sliding tube 51 is sleeved on the outer lower side of the intermediate support rod 1.

[0033] As attached Figure 3 As shown, in the above implementation scheme, specifically, the upper and lower sides of the anti-skid clamping hanger 8 are respectively provided with connecting holes 81, the outer side screws of the anti-skid clamping hanger 8 are connected with the anti-skid clamping pad 82, and the upper middle position of the anti-skid clamping hanger 8 is provided with a side sliding groove hole 83; the outer surface of the anti-skid clamping pad 82 is horizontally provided with a straight anti-skid pattern.

[0034] As attached Figure 4 As shown, in the above implementation scheme, specifically, the adjustable limit push rod assembly 4 includes a storage tube 41, a fixing hole 42, a buffer seat 43, a locking screw 44, and a threaded column 45. The fixing hole 42 is opened in the middle position of the outer upper side of the storage tube 41; the buffer seat 43 is threadedly connected to the lower end of the storage tube 41; the locking screw 44 is threadedly connected in the fixing hole 42; and the threaded column 45 is threadedly connected to the inner upper side of the storage tube 41.

[0035] In the above embodiment, specifically, the sliding shaft 55 is slidably engaged in the middle sliding slot hole 13 .

[0036] In the above implementation scheme, specifically, the upper portion of the anti-slip clamping hanger plate 8 is fixed to the inner side of the connecting support plate 52 by the second rotating shaft 53 , and the lower portion of the anti-slip clamping hanger plate 8 is fixed to the inner side of the connecting plate 11 by the first rotating shaft 12 .

[0037] In the above embodiment, specifically, the buffer seat 43 is located on the upper part of the middle sliding tube 51 .

[0038] The working process of the utility model is as follows: the fingers are inserted into the finger ring 54 to lift the sling and extend it into the inner diameter of the tool that needs to be lifted, and the finger ring 54 is loosened to allow the middle slide tube 51 to slide along the middle slide slot hole 13 under the action of gravity, and then the anti-slip clamping hanging plate 8 is opened so that the anti-slip clamping pad 82 is pressed against the inner wall of the workpiece, and the buffer seat 43 is pressed against the upper part of the middle slide tube 51 by loosening the storage tube 41, which plays a role of limiting blocking, ensuring that the workpiece will not slip during the lifting process, improving the safety of lifting, and hanging the hook of the lifting equipment on the connecting ring 2 for lifting.

[0039] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A gravity type inner hole hanger, characterized in that: The gravity-type inner hole hanger comprises an intermediate support rod (1), a connecting lifting ring (2), an upper chuck (3), an adjustable limit push rod assembly (4), a sliding adjustment tube assembly (5), a side guard plate (6), a lower baffle plate (7), an anti-slip clamping hanging plate (8), a lower lifting ear plate (9), a hook (10), a connecting plate (11), a first rotating shaft (12) and an intermediate sliding groove hole (13). The connecting lifting ring (2) is threadedly connected to the upper part of the intermediate support rod (1); the upper and lower parts of the intermediate support rod (1) are respectively provided with threads; the upper chuck (3) is threadedly connected to the upper part of the intermediate support rod (1) and is located at the lower part of the connecting lifting ring (2); the adjustable limit push rod assembly (4) is bolted to the left and right sides of the upper chuck (3) respectively; The sliding adjustment tube assembly (5) is sleeved on the outside of the middle support rod (1) and is located at the lower part of the adjustable limit push rod assembly (4); the lower screw of the side guard plate (6) is connected to the front upper side position of the lower hanging ear plate (9), and two side guard plates (6) are provided and are arranged symmetrically in the front and back; the lower baffle plate (7) is threadedly connected to the outer lower side of the middle support rod (1); the upper part of the anti-skid clamping hanging plate (8) is axially connected to the two sides of the sliding adjustment tube assembly (5), and the other end is axially connected to the outer top end of the connecting plate (11) through the first rotating shaft (12); the connecting plate (11) is axially connected to the lower inner side of the lower hanging ear plate (9) and the lower hanging ear plate (9) respectively; the middle slide slot hole (13) is longitudinally opened in the upper middle position of the side guard plate (6).

2. The gravity type inner hole hanger according to claim 1, characterized in that: The sliding adjustment tube assembly (5) comprises an intermediate sliding tube (51), a connecting support plate (52), a second rotating shaft (53), a finger ring (54) and a sliding shaft (55); the connecting support plate (52) is respectively screwed to the lower positions of the left and right sides of the intermediate sliding tube (51); the second rotating shaft (53) is embedded in the right side of the connecting support plate (52); the finger ring (54) is respectively welded to the upper outer position of the connecting support plate (52); and the sliding shaft (55) is threadedly connected to the middle position of the lower front side of the intermediate sliding tube (51).

3. The gravity type inner hole hanger according to claim 1, characterized in that: The anti-skid clamping hanger plate (8) is provided with connection holes (81) on the upper and lower sides respectively, the outer side of the anti-skid clamping hanger plate (8) is screwed with an anti-skid clamping pad (82), and the upper middle position of the anti-skid clamping hanger plate (8) is provided with a side sliding groove hole (83).

4. The gravity type inner hole hanger according to claim 1, characterized in that: The upper chuck (3) is provided with threaded holes around its periphery, and an upper sliding through hole is provided in the middle of the upper chuck (3).

5. The gravity type inner hole hanger according to claim 1, characterized in that: The adjustable limit push rod assembly (4) comprises a storage tube (41), a fixing hole (42), a buffer seat (43), a locking screw (44), and a threaded column (45). The fixing hole (42) is opened at the middle position of the upper outer side of the storage tube (41); the buffer seat (43) is threadedly connected to the lower end of the storage tube (41); the locking screw (44) is threadedly connected in the fixing hole (42); and the threaded column (45) is threadedly connected to the upper inner side of the storage tube (41).

6. The gravity type inner hole hanger as claimed in claim 3, characterized in that: The outer surface of the anti-skid clamping pad (82) is laterally provided with a straight anti-skid pattern.

7. The gravity type inner hole hanger as claimed in claim 2, characterized in that: The middle sliding tube (51) is sleeved on the outer lower side of the middle supporting rod (1); and the sliding shaft (55) is slidably engaged in the middle sliding slot hole (13).

8. The gravity type inner hole hanger as claimed in claim 2, characterized in that: The upper part of the anti-slip clamping hanging plate (8) is fixed to the inner side of the connecting support plate (52) by a second rotating shaft (53), and the lower part of the anti-slip clamping hanging plate (8) is fixed to the inner side of the connecting plate (11) by a first rotating shaft (12).

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