Special tool for fine car roof assembly of turbine shaft

Abstract

The utility model discloses a special tool for fine turning of turbine shafts, which comprises a shell, an assembly rod, a hydraulic cylinder and a rotation stopping handle, a plurality of bearings are arranged in the shell, an assembly cylinder is inserted in the bearings, a plurality of driving grooves are arranged on the inner wall of the assembly cylinder, a plurality of rotation stopping grooves are arranged on the surface of the assembly cylinder, and a plurality of driving strips are fixedly connected on the surface of the assembly rod. The hydraulic cylinder is installed at the left end of the shell, a piston rod of the hydraulic cylinder is rotationally connected with the right end of the assembling rod, the rotation stopping handle is in threaded connection with the shell and provided with a rotation stopping head matched with the rotation stopping groove in size, the assembling barrel rotates through the bearing, the assembling rod is inserted into the assembling barrel, and the assembling rod can also rotate. The hydraulic cylinder pushes the assembling rod to move in the assembling barrel, the assembling barrel drives the top seat to abut against the end of the turbine shaft through the drill bit clamp, the two ends of the turbine shaft are fixed in cooperation with the chuck, the rotating stability of the turbine shaft is improved, and the machining precision of the turbine shaft can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to turbine shaft processing technical field, concretely is a kind of special frock of turbine shaft finish turning top loading. BACKGROUND

[0002] Turbine shaft is processed using numerical control lathe, turbine shaft is placed on chuck on numerical control lathe, and turbine shaft can be clamped and fixed. But some models of turbine shaft are long, when turbine shaft is driven to rotate by chuck, unstable problem is prone to occur, to cause deviation to the processing of turbine shaft, and the weight of turbine shaft will increase its inertia when rotating, so as to be more prone to vibration and instability, and the consistency of turbine shaft processing is difficult to control. SUMMARY

[0003] The utility model discloses a kind of special frock of turbine shaft finish turning top loading, to solve the problem presented in above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of special frock of turbine shaft finish turning top loading, including shell, the shell inside is equipped with several bearings, the bearing inside is inserted with assembly barrel, the inner wall of the assembly barrel is equipped with several drive grooves, the surface of the assembly barrel is equipped with several rotation-stop grooves, and the support of several bearings to assembly barrel is stable, more smooth when rotating;

[0005] Assembly rod, the surface of the assembly rod is fixedly connected with several drive bars, the assembly rod is inserted into assembly barrel and drive bar is connected with drive groove, to make the synchronous rotation of assembly rod and assembly barrel, and assembly rod in assembly barrel sliding is not affected also;

[0006] Hydraulic cylinder, the hydraulic cylinder is installed to shell left end, the piston rod of the hydraulic cylinder is rotationally connected with the right end of assembly rod, and hydraulic cylinder pushes assembly rod translation, can automatically adjust assembly rod to turbine shaft resistance according to demand;

[0007] Rotation-stop handle, the rotation-stop handle is screwed with shell, the rotation-stop handle is equipped with rotation-stop head with the size matching of rotation-stop groove, and assembly barrel rotation can also be limited, drill chuck is clamped to drill, and the end of turbine shaft can be punched.

[0008] Further, the lower part of the shell is equipped with support, the lower end of the support is equipped with sliding block, and the sliding block is connected with lathe, so that the movement of assembly rod can be adjusted in a wide range, and the use is more flexible.

[0009] Further, drill chuck is installed on the right end of the assembly rod, the drill chuck is equipped with top seat, and the top seat can be replaced using drill chuck, and corresponding top seat can be used for different turbine shafts.

[0010] Further, the assembling rod left end is provided with universal beads, and the universal beads are fixed with connecting columns, the connecting columns are connected with the piston rod of the hydraulic cylinder, so that the hydraulic cylinder can push the assembling rod to move, and the rotation of the assembling rod is not affected.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] (1) the assembling rod can rotate by the bearing, the assembling rod can rotate when being inserted into the assembling cylinder, the hydraulic cylinder pushes the assembling rod to move in the assembling cylinder, the top seat is driven by the drill bit clamp to abut against the end of the turbine shaft, the fixing of the two ends of the turbine shaft is realized by cooperating with the chuck, the stability of the turbine shaft rotation is improved, and the machining precision of the turbine shaft is improved.

[0013] (2) the rotation of the assembling cylinder and the assembling rod can be limited by screwing the rotation stopping handle into the rotation stopping groove, and the turbine shaft end can be machined by clamping the drill bit by the drill bit clamp, and the function is more abundant. DRAWINGS

[0014] Figure 1 It is a front view of the utility model;

[0015] Figure 2 It is a sectional view of the utility model;

[0016] Figure 3 It is a schematic view of the connection between the assembling cylinder and the rotation stopping groove of the utility model;

[0017] Figure 4 It is a schematic view of the connection between the assembling rod and the assembling cylinder of the utility model.

[0018] In the drawing: 1, support; 2, shell; 3, rotation stopping handle; 4, assembling rod; 5, drill bit clamp; 6, top seat; 7, hydraulic cylinder; 8, sliding block; 9, bearing; 10, assembling cylinder; 11, driving strip; 12, universal bead; 13, connecting column; 14, rotation stopping groove; 15, driving groove; 16, sealing bolt; 17, fixed groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Embodiment:

[0021] Please refer to Figures 1-4The utility model provides a technical scheme: a turbine shaft finish machining top loading special frock, including the shell 2, the shell 2 inside is equipped with a plurality of bearing 9, the bearing 9 inside is inserted with the assembly cylinder 10, three bearing 9 cooperation is opposite the stability of the assembly cylinder 10 support is stronger, the assembly cylinder 10 inner wall is equipped with a plurality of drive groove 15, the assembly cylinder 10 surface is equipped with a plurality of rotation stop groove 14, and rotation stop groove 14 is set up in trapezoidal, can steady and hold drive strip 11 in place,

[0022] The assembly rod 4 is surface fixedly connected with a plurality of drive strips 11, the assembly rod 4 is inserted into the assembly cylinder 10, and the drive strip 11 is connected with the drive groove 15, so that the assembly rod 4 and the assembly cylinder 10 rotate synchronously, and the assembly rod 4 can smoothly slide in the assembly cylinder 10.

[0023] The hydraulic cylinder 7 is installed to the left end of the shell 2, the piston rod of the hydraulic cylinder 7 is rotatably connected with the right end of the assembly rod 4, the hydraulic cylinder 7 pushes the assembly rod 4 to translate, so that the assembly rod 4 stably abuts against the turbine shaft, and the long turbine shaft rotates more smoothly.

[0024] The rotation stop handle 3 is screwed with the shell 2, the rotation stop handle 3 is provided with a rotation stop head matched with the size of the rotation stop groove 14, the rotation stop handle 3 is screwed to hold the assembly cylinder 10, so that the rotation of the assembly cylinder 10 and the assembly rod 4 can be limited.

[0025] In the embodiment, as shown in the figure, Figure 1 The lower part of the shell 2 is provided with a support 1, the lower end of the support 1 is provided with a sliding block 8, the sliding block 8 is installed on the lathe, the sliding block 8 can be used to adjust the sliding of the whole frock, and the turbine shafts with different lengths can be abutted.

[0026] In the embodiment, as shown in the figure, Figure 1 The right end of the assembly rod 4 is provided with a drill bit clamp 5, the drill bit clamp 5 clamps a top seat 6, the drill bit clamp 5 can replace the top seat 6, tools such as drills are installed in the drill bit clamp 5, and drilling, tapping and other processes can be carried out.

[0027] In the embodiment, as shown in the figure, Figure 2 The left end of the assembly rod 4 is provided with a universal bead 12, the universal bead 12 is fixedly provided with a connecting column 13, the connecting column 13 is connected with the piston rod of the hydraulic cylinder 7, the universal bead 12 realizes the movable connection between the hydraulic cylinder 7 and the assembly rod 4, and the rotation of the assembly rod 4 is not affected.

[0028] In the embodiment, as shown in the figure, Figure 2 The upper part of the surface of the shell 2 is provided with an oil inlet, the oil inlet is screwed with a sealing plug 16, the sealing plug 16 is unscrewed to adjust lubrication, the assembly rod 4 and the assembly cylinder 10 are lubricated, and the resistance between the assembly rod 4 and the assembly cylinder 10 is reduced.

[0029] In the embodiment, as shown in Figure 2 The assembling rod 4 is provided with a fixing groove 17 at the right end, the drill holder 5 is inserted into the fixing groove 17, and the surface of the assembling rod 4 is inserted with an internal hexagonal screw threadedly connected with the drill holder 5, so that the drill holder 5 can be replaced.

[0030] Specifically, in use, the sliding block 8 is installed on the lathe, the turbine shaft is clamped by the chuck, the sliding block 8 is slid to make the top seat 6 close to the end of the turbine shaft, the hydraulic cylinder 7 pushes the assembling rod 4 to slide in the assembling cylinder 10 through the universal ball 12 and the connecting column 13, the assembling rod 4 drives the top seat 6 to abut against the turbine shaft through the drill holder 5, the double-end fixing of the turbine shaft is realized, the longer turbine shaft is more stable in rotation, and the machining precision is easier to control.

[0031] When the end of the turbine shaft needs to be machined, the rotation limiting handle 3 is screwed to be inserted into the rotation limiting groove 14 on the surface of the assembling cylinder 10 to limit the rotation of the assembling cylinder 10 and the assembling rod 4, the top seat 6 on the drill holder 5 is removed, the drill is fixed inside the drill holder 5, the turbine shaft is rotated by the lathe, the hydraulic cylinder 7 pushes the drill to move towards the turbine shaft, and the machining of the end of the turbine shaft is realized.

[0032] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A special tool for top installation of turbine shaft, characterized by: include: A housing (2), wherein a plurality of bearings (9) are installed inside the housing (2), an assembly cylinder (10) is inserted into the bearing (9), an inner wall of the assembly cylinder (10) is provided with a plurality of driving grooves (15), and a surface of the assembly cylinder (10) is provided with a plurality of anti-rotation grooves (14); An assembly rod (4), wherein a plurality of driving bars (11) are fixedly connected to the surface of the assembly rod (4), the assembly rod (4) is inserted into the assembly cylinder (10) and the driving bars (11) are connected to the driving grooves (15), so that the assembly rod (4) and the assembly cylinder (10) rotate synchronously; A hydraulic cylinder (7), the hydraulic cylinder (7) is mounted on the left end of the housing (2), the piston rod of the hydraulic cylinder (7) is rotatably connected to the right end of the assembly rod (4), and the hydraulic cylinder (7) pushes the assembly rod (4) to move in translation; A stop handle (3) is screwed to the housing (2), and the stop handle (3) is provided with a stop head having a size matching that of the stop groove (14).

2. The special tooling for top installation of turbine shaft finishing according to claim 1, characterized in that: The lower part of the housing (2) is provided with a bracket (1), and the lower end of the bracket (1) is provided with a slider (8).

3. The special tool for top installation of turbine shaft finishing according to claim 1, characterized in that: A drill clamp (5) is installed at the right end of the assembly rod (4), and a top seat (6) is clamped on the drill clamp (5).

4. The special tooling for top installation of turbine shaft finishing according to claim 1, characterized in that: A universal ball (12) is installed at the left end of the assembly rod (4), and a connecting column (13) is fixed to the universal ball (12), and the connecting column (13) is connected to the piston rod of the hydraulic cylinder (7).

5. The special tooling for top installation of turbine shaft finishing according to claim 1, characterized in that: An oil filling port is provided on the upper surface of the housing (2), and a sealing plug (16) is screwed into the oil filling port.

6. The special tool for top installation of turbine shaft finishing according to claim 3, characterized in that: The right end of the assembly rod (4) is provided with a fixing groove (17), the drill clamp (5) is inserted into the fixing groove (17), and a hexagon socket screw threadedly connected to the drill clamp (5) is inserted into the surface of the assembly rod (4).

Images