CN215201506U - Clamping protection device of wheel disc and rotary drum shot blasting for gas turbine - Google Patents

Abstract

An object of the utility model is to provide a clamping protection device of rim plate and rotary drum peening for gas turbine, including supporting baseplate, the bracing piece, the adapter sleeve, the location axle, fixed square pipe and bracing piece are respectively managed in the supporting baseplate below, and the bracing piece is located supporting baseplate's central point and puts, and square pipe evenly arranges around the bracing piece, and the location axle is installed in the adapter sleeve, and location axle sleeve has the spring, and the adapter sleeve passes through the screw thread from bracing piece below joint support pole, and the upper end of spring is pasted in bracing piece tip, and the lower tip of square pipe sets up the ground angle, and square pipe upper end and support set up the gusset between the base lower extreme face. The utility model discloses the clamping protection of rim plate and rotary drum has been compromise simultaneously to compromise the clamping protection of the rim plate that the specification is close and rotary drum simultaneously. The positioning shaft is fixed by the spring, so that a stable and reliable support is provided for clamping the assembly of the protection device and the components. The invention has simple operation and convenient disassembly and maintenance, not only improves the working efficiency, but also reduces the cost, thereby achieving multiple purposes.

Description

Clamping protection device of wheel disc and rotary drum shot blasting for gas turbine

Technical Field

The utility model relates to a peening clamping device, specifically speaking are gas turbine peening clamping device.

Background

The wheel disc and the rotary drum for the gas turbine belong to rotor parts, the double-annealed titanium alloy wheel disc forms the rotary drum after machining, electron beam welding, stress relief annealing and the like, and certain residual stress still remains. The local stress and vibration generated by uneven stress in the running process of rotating mechanisms such as a wheel disc, a rotary drum and the like are main reasons for surface crack initiation and early expansion of components. The shot peening can introduce a residual compressive stress field, favorably change the microstructure, and effectively improve the fatigue strength of the wheel disc and the rotary drum, thereby effectively improving the reliability and the durability of the gas turbine unit.

In the process of shot blasting of the wheel disc and the rotary drum, a device for supporting and protecting the wheel disc and the rotary drum is needed, so that the development of a clamping and protecting device for the wheel disc and the rotary drum shot blasting of the gas turbine is very in line with actual needs.

Disclosure of Invention

An object of the utility model is to provide a can only single processing rim plate among the solution prior art, unable direct processing forms the clamping protection device of rim plate and rotary drum peening for gas turbine of rotary drum scheduling problem through the welding.

The purpose of the utility model is realized like this:

the utility model relates to a clamping protection device of rim plate and rotary drum peening for gas turbine, characterized by: including supporting baseplate, bracing piece, adapter sleeve, location axle, fixed square pipe and bracing piece respectively in supporting baseplate below, the bracing piece is located supporting baseplate's central point and puts, and square pipe evenly arranges around the bracing piece, and the location axle is installed in the adapter sleeve, and the location axle sleeve has the spring, and the adapter sleeve passes through the screw thread from bracing piece below joint support pole, and the upper end of spring is pasted in bracing piece tip, and the lower tip of square pipe sets up the ground angle, sets up the gusset between square pipe upper end and the support base lower extreme face.

The utility model discloses can also include:

1. the supporting baseplate up end sets up the rubber, and the supporting baseplate middle part sets up the hole, and bracing piece upper portion sets up the screw hole, installs the hexagon bolt in the screw hole, and the hole of supporting baseplate is worn out to the hexagon bolt, and the big lug of hexagon bolt upper end installation sets up the restriction bolt on the supporting baseplate up end.

2. When the supporting base plate and the supporting rod are fixed, the connecting rod connects the supporting base plate and the supporting rod through the threaded hole of the supporting rod, the supporting base plate and the supporting rod are welded in a connecting state, and the connecting rod is disassembled after welding is completed.

3. The supporting baseplate middle part sets up the hole, and bracing piece upper portion sets up the screw hole, and the lower tip of connecting rod is installed in the screw hole of bracing piece, and the upper end of connecting rod passes the gland, and the upper end external connection gland nut of connecting rod sets up the ring and fixes mutually through the bolt in the below of going up the gland upper surface, goes up the gland lower surface and pastes the rubber, and the big lug of installation is gone up to gland nut, goes up the little lug of installation on the gland.

The utility model has the advantages that:

1. the utility model is used for carry out the rim plate shot-blasting earlier and handle, carry out the shot-blasting of the rotary drum after multistage rim plate welding again.

2. The utility model discloses in except spring, lug, bolt, all the other steel sheets that all adopt are made, have increased the durability. A protection device simultaneously considers the clamping protection of a wheel disc and a rotary drum and simultaneously considers the clamping protection of the wheel disc and the rotary drum with similar specifications. The positioning shaft is fixed by the spring, so that a stable and reliable support is provided for clamping the assembly of the protection device and the components. The clamping protection device is simple to operate and convenient to detach and maintain, the design and the use of the clamping protection device not only improve the working efficiency, but also reduce the cost, and multiple purposes are achieved.

Drawings

FIG. 1 is a schematic structural view of a wheel disc and drum shot-peening protection;

FIG. 2 is a bottom view of the wheel disc and drum shot protection;

FIG. 3 is a schematic view of the shot-peening protection of an individual disk.

Detailed Description

The invention will be described in more detail below by way of example with reference to the accompanying drawings:

with reference to fig. 1 to 3, the first embodiment: the present embodiment is described with reference to fig. 1, 2, and 3, and the protection device for clamping disk and drum shot blasting for a gas turbine includes a support base plate 1, a square tube 2, a rib plate 3, a ground corner 4, a positioning shaft 5, a connecting sleeve 6, a support rod 7, a support rod spring 8, a circular ring 9, a bolt 10, a lifting lug 11, a large lifting lug 12, a compression nut 13, a connecting rod 14, an upper gland 15, a rubber sheet 16, a hexagonal bolt 17, and a limit bolt 18.

The square tube 2, the supporting bottom plate 1 and the rib plate 3 are formed by welding the square tube 2 and the ground corner 4. The connecting rod 14 is first combined with the supporting bottom plate 1 and the supporting rod 7 through threaded connection. And welding and reinforcing the support base plate 1 and the support rod 7 in a combined state. The connecting rod 14 is removed after the stress relieving process is performed. The positioning shaft 5 and the spring 8 are fixed in the connecting sleeve 6 together, and the connecting sleeve 6 is connected with the supporting rod 7 through threads. The support rod 7 is connected with an inner hexagon bolt 17, and the top of the inner hexagon bolt 17 is connected with the large lifting lug 12 through threads. The support base plate 1 is adhered with an anti-skid rubber sheet 16 to avoid direct contact with parts. And the limiting bolt 18 is fixed on the supporting base plate 1 and used for limiting the sliding of parts in the hoisting process.

The parts jointly form a shot blasting clamping protection device of the independent wheel disc, the single-wheel disc is arranged on the protection device and integrally hoisted into the equipment rotary table through the large lifting lug 12, and the single-wheel disc is fixed with the equipment rotary table through the ground angle 4 through bolts. The ground horn 4 and the square tube 2 share M groups, and M is a positive integer; the value of M is 4-8; and economic steel such as Q235 and No. 45 steel is selected for parts such as the supporting bottom plate 1, the square tube 2, the rib plate 3, the ground corner 4, the positioning shaft 5, the connecting sleeve 6, the supporting rod 7, the hexagonal bolt 17, the limiting bolt 18 and the like.

The second embodiment is as follows: in the present embodiment, the bolts at the ground corners 4 are removed after the shot peening of the individual disk is completed, as described with reference to fig. 1, 2, and 3. The components are hoisted by using the lifting lugs 12, and after the parts are disassembled, the large lifting lugs 12, the hexagonal bolts 17 and the limiting bolts 18 are disassembled.

The connecting rod 14 is fixed on the combined device of the supporting bottom plate 1 and the supporting rod 7, and the welded drum is arranged on the protection device.

The lower surface of the upper gland 15 is adhered with a rubber sheet 16, and the upper surface of the upper gland 15 and the circular ring 9 are fixed through bolts 10. And placing the combined device on the upper surface of the rotary drum. The compression nut 13 is placed and connected with the connecting rod 14 through threads, and the compression nut 13 is connected with the large lifting lug 12 through threads.

And hoisting the pill clamping protection device and the parts and components into the equipment turntable by using the large lifting lugs 12, and fixing the pill clamping protection device and the parts and components with the equipment through bolts by using the ground corners 4. The ground horn 4 and the square tube 2 share M groups, and M is a positive integer; the value of M is more than or equal to 3.

The thickness of the rubber gasket in the embodiment is 1mm-5mm, and the rubber gasket is additionally arranged to protect a part from being scratched due to direct contact, increase the friction force of the part and prevent the part from being scratched due to sliding of the part in the hoisting process.

In the embodiment, parts such as the supporting bottom plate 1, the square tube 2, the rib plate 3, the ground angle 4, the positioning shaft 5, the connecting sleeve 6, the supporting rod 7, the hexagonal bolt 17, the limiting bolt 18, the connecting rod 14, the upper gland 15, the circular ring 9, the gland nut 13 and the like are made of economical steel, common Q235 and 45 steel are recommended, and the yield strength of the material is not lower than 235 MPa.

Principle of operation

When the utility model is used, the preparation work of tools and slings is completed in advance, and the protection device of the utility model is prepared after the test piece is shot-blasted to be qualified, the connecting rod 14 is detached, and the wheel disc is placed in the protection device for shot-blasting treatment; and after the shot blasting treatment of the wheel disc is finished, mounting a connecting rod 14, placing an upper gland 13 and ring 9 combined piece, and compressing a compression nut. The drum is placed in a protection device for shot blasting. After the shot blasting is finished, the utility model is lifted off from the machine tool, and is cleaned for standby.

Claims (4)

1. The utility model provides a clamping protection device of rim plate and rotary drum peening for gas turbine, characterized by: including supporting baseplate, bracing piece, adapter sleeve, location axle, fixed square pipe and bracing piece respectively in supporting baseplate below, the bracing piece is located supporting baseplate's central point and puts, and square pipe evenly arranges around the bracing piece, and the location axle is installed in the adapter sleeve, and the location axle sleeve has the spring, and the adapter sleeve passes through the screw thread from bracing piece below joint support pole, and the upper end of spring is pasted in bracing piece tip, and the lower tip of square pipe sets up the ground angle, sets up the gusset between square pipe upper end and the support base lower extreme face.

2. The clamping protection device for the wheel disc and the drum shot blasting of the gas turbine as claimed in claim 1, wherein: the supporting baseplate up end sets up the rubber, and the supporting baseplate middle part sets up the hole, and bracing piece upper portion sets up the screw hole, installs the hexagon bolt in the screw hole, and the hole of supporting baseplate is worn out to the hexagon bolt, and the big lug of hexagon bolt upper end installation sets up the restriction bolt on the supporting baseplate up end.

3. The clamping protection device for the wheel disc and the drum shot blasting of the gas turbine as claimed in claim 2, wherein: when the supporting base plate and the supporting rod are fixed, the connecting rod connects the supporting base plate and the supporting rod through the threaded hole of the supporting rod, the supporting base plate and the supporting rod are welded in a connecting state, and the connecting rod is disassembled after welding is completed.

4. The clamping protection device for the wheel disc and the drum shot blasting of the gas turbine as claimed in claim 1, wherein: the supporting baseplate middle part sets up the hole, and bracing piece upper portion sets up the screw hole, and the lower tip of connecting rod is installed in the screw hole of bracing piece, and the upper end of connecting rod passes the gland, and the upper end external connection gland nut of connecting rod sets up the ring and fixes mutually through the bolt in the below of going up the gland upper surface, goes up the gland lower surface and pastes the rubber, and the big lug of installation is gone up to gland nut, goes up the little lug of installation on the gland.

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