A pressure sensing support device for a steam turbine diaphragm body

Abstract

The present invention discloses a pressure sensing support device for a turbine partition body, comprising a base, a cylinder, a guide rail, a dustproof plate, a lower mounting plate, a connecting plate, a connecting shaft, an electric cylinder, a horizontal floating joint, a connecting block, an upper mounting plate, a linear bearing, a top mounting plate, a pressure sensor, a top floating joint, a slide groove, an inclined block, a locking handle, an adjustment foot and a drag chain, which respectively constitute a horizontal adjustment component, a support platform, a vertical top pressure adjustment component and a pressure measuring component of the device. The device has a simple structure, is easy to operate and has a low cost. A set of devices provides a supporting force to offset welding deformation and can be adapted to workpieces of different specifications, thereby effectively reducing the intensity of manual labor.

Description

Technical Field

[0001] The invention relates to a steam turbine processing technology, and in particular to a pressure sensing support device for a steam turbine partition body. Background Art

[0002] The existing turbine diaphragm welding is done manually with a handheld welding torch. During welding, the workpiece is placed flat on the ground. The workpieces vary in shape, and the support blocks need to be manually adjusted and placed on site, which is a cumbersome process. If robot welding is used, the workpiece shape varies greatly, and the support positions are different, so a set of devices is needed to provide support force to offset welding deformation and adapt to workpieces of different specifications. Summary of the invention

[0003] In order to overcome the deficiencies of the prior art, an object of the present invention is to provide a pressure sensing support device for a steam turbine diaphragm body, which can solve the related problems.

[0004] The purpose of the present invention is achieved by the following technical solutions:

[0005] A pressure sensing support device for a turbine diaphragm body, the device comprises a base, a horizontal adjustment component, a support platform, a vertical top pressure adjustment component and a pressure measuring component, the horizontal adjustment component comprises a cylinder and a guide rail mounted on the base, the cylinder is horizontally arranged parallel to the guide rail, and a horizontal floating joint is installed at the head of the cylinder; the support platform comprises a lower mounting plate, a connecting plate, a connecting shaft and an upper mounting plate, the lower mounting plate is screwed on the slider of the guide rail and connected to the horizontal floating joint through a connecting block to transmit the horizontal driving force of the cylinder; the connecting plate is screwed on the upper surface of the lower mounting plate; a plurality of connecting shafts of equal length are vertically arranged on the connecting plate, an upper mounting plate parallel to the connecting plate is arranged at the top end of the connecting shaft, and A top pressure port is provided on the upper mounting plate; the vertical top pressure adjustment assembly comprises an electric cylinder, a top mounting plate, a linear bearing, a pressure sensor, a top floating joint, a slide groove, an inclined block, and a locking handle; the top of the electric cylinder is vertically mounted on the upper mounting plate through the top pressure port; the top mounting plate is horizontally arranged above the upper mounting plate through three linear bearings; a top plate rectangular notch is provided at a position of the top mounting plate corresponding to the top pressure port; three slide grooves are arranged perpendicular to the three sides of the rectangular notch of the top plate; an inclined block and a locking handle are arranged in each slide groove; the locking handle is used for positioning and locking the inclined block; the pressure measuring assembly comprises a pressure sensor threadedly connected to the head of the electric cylinder and a top floating joint arranged on the top mounting plate and adjacent to the pressure sensor.

[0006] Preferably, the horizontal adjustment assembly further comprises a dustproof plate, and the dustproof plate is installed above the guide rail to cover the guide rail.

[0007] Preferably, the device further comprises a cable protection assembly, wherein the cable protection assembly comprises a drag chain with one end mounted on the lower mounting plate and the other end of the drag chain mounted on the base, for protecting the cables of the electric cylinder.

[0008] Preferably, a scale is provided on the slide groove for quickly identifying the positions at which different workpieces are locked by the bevel block.

[0009] Preferably, the cross section of the slide groove is T-shaped, and the bottom mounting end of the inclined block is a dovetail structure adapted to the T-shaped slide groove.

[0010] Preferably, the bottom of the base is fixed to the bottom surface by a plurality of adjustment feet.

[0011] Compared with the prior art, the beneficial effects of the present invention are: the pressure sensing support device can not only quickly adjust the support position according to the size of the workpiece, but also provide the set anti-deformation force to the workpieces of different heights to further reduce the welding deformation, which can effectively improve the welding accuracy of the workpiece and cooperate with the automatic welding equipment to complete the automatic welding of the partition body, thereby reducing the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of a pressure sensing support device for a steam turbine diaphragm body according to the present invention;

[0013] Figure 2 is a structural schematic diagram of the chute;

[0014] Figure 3 This is a schematic diagram of welding equipment using the pressure sensing support device of the present application.

[0015] In the figure: 1. Base; 2. Cylinder; 3. Guide rail; 4. Dustproof plate; 5. Lower mounting plate; 6. Connecting plate; 7. Connecting shaft; 8. Electric cylinder; 9. Horizontal floating joint; 10. Connecting block; 11. Upper mounting plate; 12. Linear bearing; 13. Top mounting plate; 14. Pressure sensor; 15. Top floating joint; 16. Slide; 17. Bevel block; 18. Locking handle; 19. Adjustment foot; 20. Drag chain; 100. Support frame. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0017] See also Figure 1-Figure 2 A pressure sensing support device for a steam turbine diaphragm body, the device includes a base 1, a horizontal adjustment component, a support platform, a vertical top pressure adjustment component and a pressure measuring component, and the vertical top pressure adjustment component, the support platform and the horizontal adjustment component are arranged on the base 1 from top to bottom.

[0018] Level adjustment components

[0019] The horizontal adjustment assembly comprises a cylinder 2 and a guide rail 3 mounted on the base 1 . The cylinder 2 is horizontally arranged parallel to the guide rail 3 , and a horizontal floating joint 9 is mounted on the head of the cylinder 2 .

[0020] Furthermore, the horizontal adjustment assembly also includes a dustproof plate 4, which is installed above the guide rail 3 to cover the guide rail 3.

[0021] Support table

[0022] The support platform includes a lower mounting plate 5, a connecting plate 6, a connecting shaft 7 and an upper mounting plate 11. The lower mounting plate 5 is screwed on the slider of the guide rail 3 and connected to the horizontal floating joint 9 through a connecting block 10 to transmit the horizontal driving force of the cylinder 2; the connecting plate 6 is screwed on the upper surface of the lower mounting plate 5; a plurality of connecting shafts 7 of equal length are vertically arranged on the connecting plate 6, and an upper mounting plate 11 parallel to the connecting plate 6 is arranged at the top end of the connecting shaft 7, and a top pressure port is opened on the upper mounting plate 11.

[0023] Vertical top pressure adjustment assembly

[0024] The vertical top pressure adjustment assembly includes an electric cylinder 8, a top mounting plate 13, a linear bearing 12, a pressure sensor 14, a top floating joint 15, a slide groove 16, an inclined block 17, and a locking handle 18. The top of the electric cylinder 8 is vertically mounted on the upper mounting plate 11 through the top pressure port. The top mounting plate 13 is horizontally arranged above the upper mounting plate 11 through three linear bearings 12. A top plate rectangular notch is opened at a position corresponding to the top pressure port on the top mounting plate 13. Three slide grooves 16 are arranged perpendicular to the three sides of the rectangular notch on the top plate. An inclined block 17 and a locking handle 18 are arranged in each slide groove 16. The locking handle 18 is used for positioning and locking the inclined block 17.

[0025] See also Figure 2 A scale is provided on the slide groove 16 for quickly identifying the positions where different workpieces are locked by the inclined block 17.

[0026] Furthermore, the cross section of the slide groove 16 is T-shaped, and the bottom mounting end of the inclined block 17 is a dovetail structure adapted to the T-shaped slide groove 16 .

[0027] Pressure measurement components

[0028] The pressure measuring assembly includes a pressure sensor 14 threadedly connected to the head of the electric cylinder 8 and a top floating joint 15 arranged on the top mounting plate 13 and adjacent to the pressure sensor 14 .

[0029] Cable protection components

[0030] The cable protection assembly includes a drag chain 20 with one end mounted on the lower mounting plate 5 , and the other end of the drag chain 20 is mounted on the base 1 , for protecting the cables of the electric cylinder 8 .

[0031] Furthermore, the bottom of the base 1 is fixed to the bottom surface by a plurality of adjustment feet 19 .

[0032] See also Figure 3 A welding device using the above-mentioned pressure sensing support device includes a support frame 100 arranged behind the pressure sensing device, a welding robot arm arranged above the support frame, and a clamping plate arranged above the top mounting plate 13 of the pressure sensing support device.

[0033] The working principle of this device is: before starting the equipment, the worker first adjusts the position of the inclined block 17 according to the scale of the workpiece to be welded through the slide 16 and locks it. Then place the workpiece in the welding device and fix it, and start the program. The support process is as follows: the support structure is driven by the cylinder 2 to move forward to the position, and the electric cylinder 8 slowly rises until the inclined block 17 hits the workpiece and the pressure sensor 14 measures the pressure to reach the set value, then stops, and the support process ends. The welding equipment starts to weld the front of the workpiece. After completion, the support structure retreats from the original track to avoid. After the welding equipment flips the workpiece, the support structure performs the aforementioned support process again. The welding equipment starts to weld the back of the workpiece. After completion, the support structure retreats from the original track to avoid, and the whole process ends.

[0034] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pressure sensing support device for a steam turbine diaphragm body, the device comprising a base (1), a horizontal adjustment component, a support platform, a vertical top pressure adjustment component and a pressure measurement component, characterized in that: The vertical top pressure adjustment component, the support platform and the horizontal adjustment component are arranged on the base (1) from top to bottom; The horizontal adjustment assembly comprises a cylinder (2) and a guide rail (3) mounted on the base (1); the cylinder (2) and the guide rail (3) are arranged horizontally in parallel; and a horizontal floating joint (9) is installed at the head of the cylinder (2); The support platform comprises a lower mounting plate (5), a connecting plate (6), a connecting shaft (7) and an upper mounting plate (11); the lower mounting plate (5) is screwed onto the slider of the guide rail (3) and connected to the horizontal floating joint (9) via a connecting block (10) to transmit the horizontal driving force of the cylinder (2); the connecting plate (6) is screwed onto the upper surface of the lower mounting plate (5); a plurality of connecting shafts (7) of equal length are vertically arranged on the connecting plate (6); an upper mounting plate (11) parallel to the connecting plate (6) is arranged at the top end of the connecting shaft (7); a top pressure port is provided on the upper mounting plate (11); The vertical top pressure regulating assembly comprises an electric cylinder (8), a top mounting plate (13), a linear bearing (12), a pressure sensor (14), a top floating joint (15), a slide groove (16), an inclined block (17), and a locking handle (18). The top of the electric cylinder (8) passes through the top pressure opening and is vertically mounted on the upper mounting plate (11). The top mounting plate (13) is horizontally arranged above the upper mounting plate (11) through three linear bearings (12). A top plate rectangular notch is provided at a position of the top mounting plate (13) corresponding to the top pressure opening. Three slide grooves (16) are arranged perpendicular to the three sides of the top plate rectangular notch. An inclined block (17) and a locking handle (18) are arranged in each slide groove (16). The locking handle (18) is used for positioning and locking the inclined block (17). The pressure measuring assembly comprises a pressure sensor (14) threadedly connected to the head of the electric cylinder (8) and a top floating joint (15) arranged on the top mounting plate (13) and adjacent to the pressure sensor (14).

2. The pressure sensing support device according to claim 1, characterized in that: The horizontal adjustment component also includes a dustproof plate (4), which is installed above the guide rail (3) to cover the guide rail (3).

3. The pressure sensing support device according to claim 1, characterized in that: The device also includes a cable protection assembly, which includes a drag chain (20) with one end mounted on the lower mounting plate (5), and the other end of the drag chain (20) mounted on the base (1) for protecting the cable of the electric cylinder (8).

4. The pressure sensing support device according to claim 1, characterized in that: The slide groove (16) is provided with scales for quickly identifying the positions of different workpieces locked by the inclined block (17).

5. The pressure sensing support device according to claim 1, characterized in that: The cross section of the slide groove (16) is T-shaped, and the bottom mounting end of the inclined block (17) is a dovetail structure adapted to the T-shaped slide groove (16).

6. The pressure sensing support device according to claim 1, characterized in that: The bottom of the base (1) is fixed on the bottom surface via a plurality of adjustment feet (19).

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