Mounting clamp for aero-engine casing

Abstract

The utility model discloses an aero-engine casing installation clamp which comprises an installation plate, a clamp structure and a hoisting structure, the installation plate is used for being hoisted on a hoisting device, and the hoisting device is used for hoisting the installation plate to move; the clamp structure is arranged on the mounting plate and is used for clamping and fixing the cartridge receiver body; the hoisting structure is used for being arranged on a mounting plate, and the hoisting device is used for hoisting the mounting plate through the hoisting structure; the clamp structure comprises a plurality of sets of fixing assemblies, rubber pastes are installed on the fixing assemblies in a sealed mode, pressure grooves are formed in the rubber pastes, the pressure grooves are connected with the fixing assemblies in a sealed mode, and the pressure grooves communicate with the fixing assemblies. The rubber paste is used for adsorbing and fixing the outer surface of the casing body; the utility model aims to solve the problems that an engine case clamp in the prior art cannot move freely, and the outer surface of the case is damaged when the case is clamped.

Description

Technical Field

[0001] The utility model relates to the technical field of mounting fixtures, in particular to a mounting fixture for an aircraft engine casing. Background Art

[0002] The engine casing is an important part of the engine, with a complex structure and high precision requirements. During the processing of the casing, various fixtures are needed to ensure the accurate positioning and clamping of the parts to ensure the processing quality and efficiency. The installation fixture plays an important role in the application of the engine casing. Through reasonable fixture design and use, the processing accuracy and production efficiency of the casing can be improved, the production cost can be reduced, and the overall performance of the engine can be effectively guaranteed.

[0003] The utility model patent with application number: CN202322528260.3 and publication number: CN221065330U (hereinafter referred to as "prior art 1") discloses a turbine casing clamp, which belongs to the field of mechanical processing and solves the problems of low processing efficiency and difficult to ensure processing accuracy of turbine casings in the prior art. A plurality of pressure plate mounting grooves are arranged on the base, and the plurality of pressure plate mounting grooves are arranged at intervals along the circumference of the base. The first circular boss is fixed to the end of the base away from the machine tool, and the axis of the first circular boss coincides with the axis of the base. A first center hole is arranged on the first circular boss, and a second center hole is arranged on the base, and the first center hole and the second center hole are connected. A plurality of extension platforms are fixed on the top of the first circular boss, and the plurality of extension platforms are arranged at intervals along the circumference of the first circular boss. A positioning member mounting hole is respectively arranged on each extension platform, and the setting position of the positioning member mounting hole corresponds to the setting position of the pressure plate mounting groove. A positioning member is arranged in the positioning member mounting hole.

[0004] The specification of prior art 1 discloses a turbine casing clamp, which, when in use, clamps and fixes the engine casing through a plurality of positioning holes and positioning members. However, in actual application, when installing the casing, the clamp as a whole cannot be moved freely, and the outer surface of the casing may be damaged when clamping the casing. Summary of the invention

[0005] The utility model provides an aircraft engine casing installation clamp, aiming to solve the problem that the engine casing clamp in the prior art cannot move freely and causes damage to the outer surface of the casing when clamping the casing.

[0006] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0007] An aircraft engine casing mounting fixture comprises a mounting plate, a fixture structure and a hoisting structure, wherein the mounting plate is used for hoisting on a hoisting device, and the hoisting device is used for hoisting the mounting plate for movement;

[0008] The clamp structure is arranged on the mounting plate and is used to clamp and fix the casing body; the hoisting structure is arranged on the mounting plate, and the hoisting device is used to hoist the mounting plate through the hoisting structure;

[0009] Among them, the clamp structure includes several groups of fixing components, on which rubber stickers are sealed and installed, and a pressure groove is provided inside the rubber sticker. The pressure groove is sealed and connected to the fixing component, and the pressure groove and the fixing component are interconnected; the rubber sticker is used to adsorb and fix the outer surface of the receiver body; the fixing component is also connected to a vacuum pumping component, which is interconnected with the inside of the pressure groove to form a seal, and the vacuum pumping component is used to fix and clamp the receiver body after vacuuming to form a vacuum inside the pressure groove.

[0010] Furthermore, the lifting structure includes a lifting rod, a steel cable and a lifting ring; there are several lifting rods, and an array of several lifting rods is arranged on the mounting plate. One end of the steel cable is detachably mounted on the lifting rod, and the other end is connected to the lifting ring, which is used for lifting on the lifting device.

[0011] Furthermore, a plurality of mounting through slots are arranged on the mounting plate, the number of the mounting through slots corresponds to the number of the hanging rods, and the hanging rods are arranged inside the mounting through slots.

[0012] Furthermore, the fixing component includes a mounting rod and an airway, the airway is arranged inside the mounting rod, ventilation pipes are arranged at both ends of the mounting rod, and a valve is also arranged on the mounting rod, the valve is located inside the airway, one end of the airway is connected to the vacuum assembly, and the other end is connected to the ventilation pipe, one end of the ventilation pipe is connected to the airway and the other end is sealed with a rubber sticker.

[0013] Furthermore, the air duct includes an annular air duct, a cross-shaped air duct and an inhalation air duct. The annular air duct and the inhalation air duct are both arranged in the mounting plate, and the annular air duct and the inhalation air duct are interconnected; the inhalation air duct is used to connect with the vacuum pump component, and the cross-shaped air duct is arranged in the first mounting rod and the second mounting rod, one end of the ventilation pipe is sealed with a rubber sticker, and the other end is connected to the cross-shaped air duct.

[0014] Furthermore, a mounting protrusion is provided on the receiver body, and the rubber patch is fitted on the mounting protrusion and tightly attached to the receiver body.

[0015] Furthermore, the mounting rods are connected to the mounting plate via connecting ribs.

[0016] Furthermore, the steel cable is detachably connected to the lifting rod via a movable buckle.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The utility model mainly comprises an installation plate, a clamp structure and a lifting structure; in actual use, when the casing body needs to be installed, the staff places the installation plate above the casing body, and then installs the rubber sticker on the outer surface of the casing body so that the rubber sticker is tightly attached to the casing body, and then starts the vacuum assembly, and the vacuum assembly performs a vacuum treatment in the pressure groove through the fixing assembly, at which time the rubber sticker shrinks and absorbs the casing body, and a plurality of fixing assemblies cooperate to fix and clamp the casing body; when the casing body needs to be moved, the staff pulls up the installation plate through the lifting device, and at this time the installation plate drives the clamp structure and the fixing assembly to rise together, and since the casing body is fixed and clamped, the stability of the casing body can be guaranteed during lifting; the lifting device freely moves the casing body to facilitate the installation of the casing body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is one of the structural schematic diagrams of the utility model.

[0021] Figure 2 This is the second structural schematic diagram of the present utility model.

[0022] Figure 3 It is a cross-sectional view of the utility model.

[0023] Figure 4 It is a partial cross-sectional view of the fixing assembly of the utility model.

[0024] In the figure, 101-mounting plate, 102-receiver body, 103-rubber sticker, 104-pressure groove, 105-lifting rod, 106-steel cable, 107-lifting ring, 108-mounting slot, 109-mounting rod, 110-ventilation pipe, 111-valve, 112-annular air duct, 113-cross air duct, 114-intake air duct, 115-mounting protrusion, 116-connecting rib, 117-movable buckle. DETAILED DESCRIPTION

[0025] The present invention is further described below in conjunction with the embodiments, which are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in the field without creative work are all within the protection scope of the present invention.

[0026] See also Figure 1-Figure 4 As shown, this embodiment discloses an aircraft engine casing mounting fixture, including a mounting plate 101, a fixture structure and a hoisting structure, wherein the mounting plate 101 is used to be hoisted on a hoisting device, and the hoisting device is used to hoist the mounting plate 101 for movement;

[0027] The clamp structure is arranged on the mounting plate 101 and is used to clamp and fix the casing body 102; the hoisting structure is used to be arranged on the mounting plate 101, and the hoisting device is used to hoist the mounting plate 101 through the hoisting structure;

[0028] The fixture structure includes a plurality of fixing components, on which a rubber patch 103 is sealed and installed, and a pressure groove 104 is provided inside the rubber patch 103, and the pressure groove 104 is sealed and connected to the fixing component, and the pressure groove 104 and the fixing component are interconnected; the rubber patch 103 is used to adsorb and fix the outer surface of the casing body 102; the fixing component is also connected to a vacuum component, and the vacuum component is interconnected with the inside of the pressure groove 104 to form a seal, and the vacuum component is used to fix and clamp the casing body 102 after vacuuming to form a vacuum inside the pressure groove 104;

[0029] The utility model mainly includes an installation plate 101, a clamp structure and a lifting structure; in actual use, when the casing body 102 needs to be installed, the staff places the installation plate 101 above the casing body 102, and then installs the rubber sticker 103 on the outer surface of the casing body 102, so that the rubber sticker 103 is close to the casing body 102, and then starts the vacuum assembly, and the vacuum assembly performs a vacuum treatment in the pressure groove 104 through the fixing assembly. At this time, the rubber sticker 103 shrinks and absorbs the casing body 102, and the casing body 102 is fixedly clamped after a number of fixing assemblies cooperate; when the casing body 102 needs to be moved, the staff pulls up the installation plate 101 through the lifting device, and at this time, the installation plate 101 drives the clamp structure and the fixing assembly to rise together. Since the casing body 102 is fixedly clamped, the stability of the casing body 102 can be guaranteed during lifting; the lifting device freely moves the casing body 102 to facilitate the installation of the casing body 102.

[0030] In some embodiments, the lifting structure includes a lifting rod 105, a steel cable 106 and a lifting ring 107; there are a plurality of lifting rods 105, and the plurality of lifting rods 105 are arranged in an array on the mounting plate 101, one end of the steel cable 106 is detachably mounted on the lifting rod 105, and the other end is connected to the lifting ring 107, and the lifting ring 107 is used for lifting on a lifting device.

[0031] In actual use, when hoisting the mounting plate 101, the staff installs the steel cable 106 on the hoisting rod 105. The number and position of the plurality of steel cables 106 correspond one to one with the plurality of hoisting rods 105. One steel cable 106 is installed on one hoisting rod 105, and then the lifting device is used to hook the lifting ring 107 to move the casing body 102.

[0032] In some embodiments, a plurality of mounting slots 108 are disposed on the mounting plate 101 , and the number of the mounting slots 108 corresponds to the number of the hanging rods 105 , and the hanging rods 105 are disposed inside the mounting slots 108 .

[0033] In actual use, the purpose of providing the installation slot 108 is to install the hanging rod 105 .

[0034] In some embodiments, the fixing assembly includes a mounting rod 109 and an airway, wherein the airway is disposed inside the mounting rod 109, and ventilation tubes 110 are disposed at both ends of the mounting rod 109. A valve 111 is also disposed on the mounting rod 109, and the valve 111 is located inside the airway, wherein one end of the airway is connected to the vacuum assembly, and the other end is connected to the ventilation tube 110, and one end of the ventilation tube 110 is connected to the airway, and the other end is sealedly connected to the rubber patch 103.

[0035] As an optional implementation, in this embodiment, the vacuum pumping component is specifically a vacuum pump, and the vacuum pump is connected to the airway.

[0036] During actual use, when the casing body 102 needs to be clamped and fixed, the staff turns on the vacuum pump, and after the vacuum pump works, a vacuum state is formed in the pressure groove 104. At this time, the rubber patch 103 at the end of the ventilation pipe 110 expands and contracts, so that the rubber patch 103 is in close contact with the workpiece. At this time, after closing the valve 111, the vacuum state is maintained in the pressure groove 104, and the casing body 102 can be fixed by turning off the vacuum pump.

[0037] It should be noted that, in this embodiment, the vacuum machine is a prior art, and this embodiment does not involve improvements to the structure of the vacuum machine. In addition, the ventilation pipe 110 controls the rubber patch 103 to shrink and then fix the casing body, which is also a prior art. For specific reference, the prior art with publication number: CN206316813U will not be described in detail here.

[0038] In some embodiments, the air duct includes an annular air duct 112, a cross-shaped air duct 113 and an inhalation air duct 114. The annular air duct 112 and the inhalation air duct 114 are both arranged in the mounting plate 101, and the annular air duct 112 and the inhalation air duct 114 are interconnected; the inhalation air duct 114 is used to connect with the vacuum pump component, and the cross-shaped air duct 113 is arranged in the first mounting rod 109 and the second mounting rod 109, and one end of the ventilation tube 110 is sealed and connected to the rubber patch 103, and the other end is connected to the cross-shaped air duct 113.

[0039] During actual use, when the vacuum machine is performing vacuuming, air flows from the pressure tank 104 through the connecting pipe into the cross-shaped airway 113, then passes through the annular airway 112, and finally enters the vacuum machine through the suction airway 114, thereby achieving the purpose of vacuuming the pressure tank 104.

[0040] In some embodiments, the receiver body 102 has a mounting protrusion 115 , and the rubber sticker 103 is mounted on the mounting protrusion 115 and is tightly attached to the receiver body 102 .

[0041] In actual use, the rubber sticker 103 is hung on the mounting protrusion 115 to provide support for the rubber sticker 103 .

[0042] In some embodiments, the mounting rods 109 are connected to the mounting plate 101 via connecting ribs 116 .

[0043] In actual use, the use of the connecting rib 116 can make the connection between the mounting rod 109 and the mounting plate 101 more stable.

[0044] In some embodiments, the steel cable 106 is detachably connected to the lifting rod 105 via a movable buckle 117 .

[0045] In actual use, the use of the movable buckle 117 can facilitate the installation between the steel cable 106 and the lifting rod 105.

[0046] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "two ends", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the 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 orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0047] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0048] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0049] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An aircraft engine casing mounting fixture, comprising a mounting plate (101), wherein the mounting plate (101) is used for hoisting on a lifting device, and the lifting device is used for lifting the mounting plate (101) for movement; characterized in that: It also includes a clamp structure and a lifting structure, wherein the clamp structure is arranged on the mounting plate (101) and is used to clamp and fix the casing body (102); the lifting structure is used to be arranged on the mounting plate (101), and the lifting device is used to lift the mounting plate (101) through the lifting structure; The clamp structure comprises a plurality of fixing components, on which a rubber patch (103) is sealed and installed, a pressure groove (104) is provided inside the rubber patch (103), the pressure groove (104) is sealed and connected to the fixing component, and the pressure groove (104) and the fixing component are interconnected; the rubber patch (103) is used for adsorbing and fixing the outer surface of the casing body (102); the fixing component is also connected to a vacuum pumping component, the vacuum pumping component is interconnected with the inside of the pressure groove (104) to form a seal, and the vacuum pumping component is used for fixing and clamping the casing body (102) after exhausting air to form a vacuum inside the pressure groove (104).

2. The aircraft engine casing mounting fixture according to claim 1, characterized in that: The hoisting structure comprises a hoisting rod (105), a steel cable (106) and a lifting ring (107); there are a plurality of hoisting rods (105), and the plurality of hoisting rods (105) are arranged in an array on a mounting plate (101); one end of the steel cable (106) is detachably mounted on the hoisting rod (105), and the other end is connected to the lifting ring (107); the lifting ring (107) is used for hoisting on a lifting device.

3. The aircraft engine casing mounting fixture according to claim 2, characterized in that: A plurality of mounting through slots (108) are arranged on the mounting plate (101), the number of the mounting through slots (108) corresponds to the number of the hanging rods (105), and the hanging rods (105) are arranged inside the mounting through slots (108).

4. The aircraft engine casing mounting fixture according to claim 1, characterized in that: The fixing component comprises a mounting rod (109) and an air passage, wherein the air passage is arranged inside the mounting rod (109), ventilation pipes (110) are arranged at both ends of the mounting rod (109), a valve (111) is also arranged on the mounting rod (109), and the valve (111) is located inside the air passage, one end of the air passage is connected to the vacuum pumping component, and the other end is connected to the ventilation pipe (110), one end of the ventilation pipe (110) is connected to the air passage, and the other end is sealedly connected to the rubber patch (103).

5. The aircraft engine casing mounting fixture according to claim 4, characterized in that: The air duct comprises an annular air duct (112), a cross-shaped air duct (113) and an air suction duct (114); the annular air duct (112) and the air suction duct (114) are both arranged in the mounting plate (101); the annular air duct (112) and the air suction duct (114) are interconnected; the air suction duct (114) is used to connect with the vacuum pumping component; the cross-shaped air duct (113) is arranged in the first mounting rod (109) and the second mounting rod (109); one end of the vent pipe (110) is sealed and connected with the rubber patch (103), and the other end is connected with the cross-shaped air duct (113).

6. The aircraft engine casing mounting fixture according to claim 1, characterized in that: The casing body (102) is provided with a mounting protrusion (115), and the rubber sticker (103) is sleeved on the mounting protrusion (115) and is tightly attached to the casing body (102).

7. The aircraft engine casing mounting fixture according to claim 4, characterized in that: The mounting rods (109) are connected to the mounting plate (101) via connecting ribs (116).

8. The aircraft engine casing mounting fixture according to claim 2, characterized in that: The steel cable (106) is detachably connected to the hoisting rod (105) via a movable buckle (117).

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