Dynamic balance screw plug mounting device

Abstract

The utility model discloses a dynamic balance screw plug mounting device. When a rotor is subjected to online dynamic balance, a dynamic balance screw plug is often required to be mounted on the rotor through a manhole or a corresponding window after a unit is cooled; a conventional installation method wastes time and labor, consumes manpower and seriously affects the working efficiency. The device comprises a supporting rod and a sliding sleeve, the sliding sleeve is in sliding fit with the supporting rod, and two connecting rod sets penetrate through the sliding sleeve and are connected with the sliding sleeve through bolts; the sliding sleeve comprises a square ring sleeve, fixing plates are fixed to the two sides of the square ring sleeve respectively, and notches allowing the connecting rod sets to penetrate through are formed in the upper sides and the lower sides of the fixing plates respectively. The device is used for installing the dynamic balance screw plug.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of dynamic balance screw plug installation devices. BACKGROUND

[0002] Gas turbine is the core component among them, abnormal vibration can be caused due to rotor gravity center instability in the process of unit operation, and then cause rotor damage, to avoid abnormal vibration of rotor, usually need to carry out dynamic balance test under bench or on-line, the weight and angle of counterweight required to be increased are calculated by measuring the speed, phase and amplitude of rotor, so that rotor reaches ideal balance state, ensure that abnormal vibration does not occur.

[0003] When rotor carries out on-line dynamic balance, it is often necessary to install dynamic balance screw plug on rotor through manhole or corresponding window after unit cooling;Conventional installation method is time-consuming and laborious, consumes manpower, and seriously affects work efficiency. UTILITY MODEL CONTENTS

[0004] The technical problem to be solved by the utility model is to overcome the defects of prior art, and provide a kind of dynamic balance screw plug installation device.

[0005] The above purpose is realized by the following technical scheme:

[0006] A kind of dynamic balance screw plug installation device, its composition includes support rod and sliding sleeve, the sliding sleeve is slidably connected with the support rod, two groups of connecting rods pass through the sliding sleeve and are connected with the sliding sleeve by bolt;

[0007] The sliding sleeve includes square ring sleeve, the both sides of the square ring sleeve are respectively fixed with fixed plate, and the upper and lower sides of the fixed plate are respectively provided with gap for the connecting rod group to pass through.

[0008] The connecting rod group includes two cylindrical pull rods, and the two cylindrical pull rods are fixed by connecting plate.

[0009] The end of the support rod is fixed with handle rod. ADVANTAGEOUS EFFECTS

[0010] 1.The utility model is used when inserting the end of support rod into the assembly groove of screw plug, then sliding sliding sleeve, so that the end of its connecting rod group is at screw plug, then unscrewing each fixed nut, then sliding connecting rod group, so that its pull rod abuts at the outer ring surface of screw plug, then tightening fixed nut, so that connecting rod group can effectively support screw plug, install the device on rotor through window, then rotate support rod by handle rod, screw plug is installed, manual drilling into manhole is not needed, safety is ensured.

[0011] 2. This utility model has a simple structure, and the position of the connecting rod assembly can be adjusted to make it suitable for screw plugs of different sizes. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of this utility model;

[0013] Figure 2 yes Figure 1 Enlarged view of part A;

[0014] Figure 3 This is a structural schematic diagram of the linkage assembly;

[0015] Figure 4 This is the front view of this utility model;

[0016] Figure 5 This is a schematic diagram of the sliding sleeve.

[0017] Figure 6 This is a schematic diagram of the structure of this utility model and the screw plug during installation;

[0018] Figure 7 This is a schematic diagram of the structure of this utility model after the screw plug is installed;

[0019] Figure 8 This is a schematic diagram of the linkage assembly after it has slid.

[0020] In the diagram: 2. Baffle; 3. Linkage assembly; 4. Support rod; 5. Sliding sleeve; 6. Handle bar; 7. Fixing nut; 8. Connecting plate; 9. Cylindrical tie rod; 10. Notch; 11. Square ring sleeve; 12. Fixing plate; 13. Plug; 14. Assembly slot. Detailed Implementation

[0021] like Figures 1-5 As shown, a dynamic balancing screw installation device comprises a support rod 4 and a sliding sleeve 5. The sliding sleeve is slidably engaged with the support rod. The support rod is a square rod. Two sets of connecting rods 3 pass through the sliding sleeve and are connected to the sliding sleeve by bolts.

[0022] The sliding sleeve includes a square ring sleeve 11, and fixing plates 12 are fixed on both sides of the square ring sleeve. The fixing plates are square plates, and notches 10 are opened on the upper and lower sides of the fixing plates for the connecting rod assembly to pass through.

[0023] The dynamic balancing screw installation device includes a connecting rod assembly comprising two cylindrical tie rods 9, which are fixed together by a connecting plate 8.

[0024] During installation, the sliding sleeve is fitted onto the support rod, and the square ring of the sliding sleeve slides in conjunction with the support rod. Each fixing plate of the sliding sleeve has four notches, two on the upper side and two on the lower side, and the notches are vertically opened. Each cylindrical tie rod of the connecting rod assembly passes through its notch. The cylindrical tie rod is connected to the connecting plate on one side by a screw. The two cylindrical tie rods of the connecting rod assembly are fixed by two connecting plates. Each cylindrical tie rod has two fixing nuts threaded on it. The connecting plates are welded to the cylindrical tie rods. After installation, the position of the connecting rod assembly can be fixed by tightening the fixing nuts.

[0025] The aforementioned dynamic balancing screw installation device has a handle 6 fixed to the end of the support rod.

[0026] When the screw plug 13 needs to be installed, first insert the end of the support rod into the assembly groove 14 of the screw plug, then slide the sliding sleeve so that the end of its connecting rod assembly is at the screw plug, then loosen each fixing nut, then slide the connecting rod assembly so that its tie rod abuts against the outer ring surface of the screw plug, and then tighten the fixing nut. In this way, the connecting rod assembly can effectively support the screw plug. Install the entire device through the window onto the rotor, then hold the handle and rotate the support rod to install the screw plug. There is no need to manually drill into the manhole for installation, ensuring safety. After the screw plug is threaded onto the rotor, slide the sliding sleeve to disengage its cylindrical tie rod from the screw plug. Continuing to rotate the entire device will allow the screw plug to continue to be installed without affecting the installation. After installation, the device can be removed.

Claims

1. A dynamic balancing plug mounting device, characterized in that: Its components include a support rod and a sliding sleeve, the sliding sleeve being in sliding engagement with the support rod, and two sets of connecting rods passing through the sliding sleeve and being connected to the sliding sleeve by bolts; The sliding sleeve includes a square ring sleeve, and fixing plates are fixed on both sides of the square ring sleeve. The fixing plates have notches on the upper and lower sides for the connecting rod assembly to pass through.

2. The dynamic balancing plug mounting device according to claim 1, characterized in that: The linkage assembly includes two cylindrical tie rods, which are fixed together by a connecting plate.

3. The dynamic balancing screw installation device according to claim 2, characterized in that: A handle is fixed to the end of the support rod.

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