Adjustable steam turbine foundation bolt

Abstract

The utility model relates to an adjustable steam turbine foundation bolt, which belongs to the field of steel structure construction engineering, and comprises a pre-embedded assembly, the pre-embedded assembly comprises a pre-embedded frame, a pre-embedded plate, a pre-embedded bolt and an adjusting assembly, the pre-embedded bolt comprises an L-shaped foundation bolt and a special-shaped foundation bolt, the L-shaped foundation bolt is vertically arranged on the pre-embedded plate through an L-shaped foundation bolt nut, and the special-shaped foundation bolt is arranged on the pre-embedded frame. The special-shaped foundation bolts are respectively mounted on the adjusting plate and the embedded plate from top to bottom; the adjusting assembly comprises connecting bolts, and the connecting bolts are fixed to the adjusting plate and the embedded plate from top to bottom through connecting nuts. The adjusting bolt provided by the utility model can be used for adjusting the gap of the bottom plate of the turboset rack after the steam turbine is installed. According to the embedded part, the L-shaped foundation bolts are combined with the special-shaped foundation bolts, ground cage pouring is adopted, and the embedded part is stable in structure, resistant to pressure and long in service life.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steel construction engineering field especially relates to an adjustable steam turbine foundation bolt. BACKGROUND

[0002] The foundation bolt bears the function of the horizontal and positioning of the steam turbine unit, in the steam turbine generator unit installation work, the conventional steam turbine foundation bolt adjustment mode generally adopts the iron pad adjustment device, when the iron pad is grouted, cannot carry out self -adjusting, can only use the gasket to adjust the clearance and the elevation of the steam turbine unit rack bottom plate.

[0003] Based on this, the utility model discloses a grouting pre -buried adjustable steam turbine foundation bolt, solves the inconvenient problem of the steam turbine unit adjustment. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of adjustable steam turbine foundation bolts, to solve the problems in prior art.

[0005] To solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] An adjustable steam turbine foundation bolt, including pre -buried component, pre -buried component includes pre -buried frame, pre -buried board, pre -buried bolt, adjusting assembly, pre -buried bolt includes L foundation bolt, special-shaped foundation bolt, L foundation bolt is vertically installed on pre -buried board by L foundation bolt nut, special-shaped foundation bolt is installed on adjusting plate, pre -buried board from top to bottom respectively;Adjusting assembly includes connecting bolt, connecting bolt is fixed on adjusting plate, pre -buried board from top to bottom respectively by connecting nut.

[0007] Threaded sleeve is set on the upper part of special-shaped foundation bolt, internal thread is arranged in the threaded sleeve, external thread is arranged outside, internal thread is connected with special-shaped foundation bolt threadedly, special-shaped foundation bolt nut is installed on external thread, threaded sleeve bottom is equipped with umbrella support, umbrella support bottom abuts against pre -buried board.

[0008] Pre -buried bolt is fixed in pre -buried frame by concrete, and pre -buried frame is ground cage.

[0009] Special-shaped foundation bolt is installed in the center of pre -buried board, and special-shaped foundation bolt is installed in the four corners of pre -buried board, and connecting bolt is distributed around the circumference of special-shaped foundation bolt.

[0010] Connecting nut, L foundation bolt nut and special-shaped foundation bolt nut are installed with anti -skid washer.

[0011] The utility model has the advantages of the following:

[0012] The adjustment component of this invention can adjust the gap of the turbine unit frame base plate after the turbine is installed. The pre-embedded component of this invention adopts a combination of L-shaped anchor bolts and irregular-shaped anchor bolts, and is cast using a ground cage. The pre-embedded component is stable, pressure-resistant, and has a long service life. Attached Figure Description

[0013] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of an embodiment of the present utility model;

[0016] Figure 3 This is a schematic diagram of a structure for fixing irregularly shaped anchor bolts.

[0017] The attached diagram lists the components represented by each number as follows:

[0018] 1. Embedded frame; 2. Embedded plate; 3. L-shaped anchor bolt; 4. Irregular anchor bolt; 5. L-shaped anchor bolt nut; 6. Adjusting plate; 7. Connecting bolt; 8. Connecting nut; 9. Threaded sleeve; 10. Irregular anchor bolt nut; 11. Umbrella-shaped support; 12. Anti-slip washer; 13. Internal thread; 14. External thread. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. It should be understood that the terms "upper", "middle", "outer", "inner", "lower" etc., which indicate orientation or positional relationship, are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, and therefore should not be construed as a limitation of the present utility model.

[0020] The attached figures illustrate specific embodiments of this utility model, such as... Figures 1-3 As shown, this utility model is an adjustable steam turbine anchor bolt, including a pre-embedded component. The pre-embedded component includes a pre-embedded frame 1, a pre-embedded plate 2, pre-embedded bolts, and an adjustment component. The pre-embedded bolts are fixed in the pre-embedded frame 1 by concrete. The pre-embedded frame 1 is a ground cage.

[0021] The embedded bolt comprises an L anchor bolt 3 and a special-shaped anchor bolt 4, the L anchor bolt 3 is vertically installed on the embedded plate 2 through an L anchor bolt nut 5, the special-shaped anchor bolt 4 is installed on the adjusting plate 6 and the embedded plate 2 from top to bottom, and the adjusting plate 6 is connected with the bottom plate of the steam turbine unit frame; the adjusting assembly comprises a connecting bolt 7, the connecting bolt 7 is fixed on the adjusting plate 6 and the embedded plate 2 from top to bottom through a connecting nut 8. The special-shaped anchor bolt 4 is installed at the center of the embedded plate 2, the special-shaped anchor bolt 4 is installed at the four corners of the embedded plate 2, the connecting bolt 7 is distributed around the circumference of the special-shaped anchor bolt 4, the embedded assembly adopts the combination of the L anchor bolt and the special-shaped anchor bolt, and is poured into a ground cage, so that the embedded assembly is stable, pressure-resistant and long in service life. The connecting nut 8, the L anchor bolt nut 5 and the special-shaped anchor bolt nut 10 are installed with anti-skid washers 12. The height of the adjusting plate 6 is adjusted by adjusting the connecting bolt nut 8 and the special-shaped anchor bolt nut 10, so that the gap of the bottom plate of the steam turbine unit frame is adjusted.

[0022] In one embodiment of the utility model, reference is made to Figure 1 The upper portion of the special-shaped anchor bolt 4 is provided with a thread, the upper portion of the special-shaped anchor bolt 4 is provided with a threaded sleeve 9, the threaded sleeve 9 is internally provided with an internal thread 13 and externally provided with an external thread 14, the internal thread 13 is connected with the thread of the upper portion of the special-shaped anchor bolt 4, and the external thread 14 is used for installing a special-shaped anchor bolt nut 10. The bottom portion of the threaded sleeve 9 is provided with an umbrella-shaped support 11, the bottom portion of the umbrella-shaped support 11 abuts against the embedded plate 2, and the umbrella-shaped support 11 can increase the supporting force. During installation, after a pit is dug on the ground, the embedded frame 1 is placed into the pit, concrete is poured, the embedded plate 2 provided with the L anchor bolt 3 is placed on the embedded frame 1, the connecting bolt 7 is inserted and fixed by the connecting nut 8, the special-shaped anchor bolt 4 provided with the threaded sleeve 9 is inserted, after the concrete is dry, whether the embedded plate 2 is disassembled or not can be selected, finally, the adjusting plate 6 is installed and fixed on the bottom plate of the steam turbine unit frame. During installation and adjustment of the adjusting plate 6, a jack is used to support the bottom plate of the steam turbine unit frame, the connecting bolt 7 and the special-shaped anchor bolt 4 are adjusted in sequence, the height of the adjusting plate 6 is adjusted, and the gap of the bottom plate of the steam turbine unit frame is adjusted.

[0023] The preferred embodiments of the utility model disclosed above are only used for helping to describe the utility model, the preferred embodiments do not describe all the details exhaustively, and the utility model is not limited to the specific implementation mode.

Claims

1. An adjustable steam turbine anchor bolt, comprising a pre-buried assembly, the pre-buried assembly comprising a pre-buried frame (1), a pre-buried plate (2), a pre-buried bolt, an adjusting assembly, characterized in that: The embedded bolt comprises an L anchor bolt (3) and a special-shaped anchor bolt (4), the L anchor bolt (3) is vertically installed on the embedded plate (2) through an L anchor bolt nut (5), and the special-shaped anchor bolt (4) is installed on the adjusting plate (6) and the embedded plate (2) from top to bottom.

2. An adjustable steam turbine anchor bolt according to claim 1, characterized in that: The upper part of the special-shaped anchor bolt (4) is sleeved with a threaded sleeve (9), the threaded sleeve (9) is internally provided with an internal thread (13) and externally provided with an external thread (14), the internal thread (13) is in threaded connection with the special-shaped anchor bolt (4), the external thread (14) is provided with a special-shaped anchor bolt nut (10), and the bottom of the threaded sleeve (9) is provided with an umbrella-shaped support (11) abutting against the embedded plate (2).

3. An adjustable steam turbine anchor bolt according to claim 1, characterized in that: The embedded bolt is fixed in the embedded frame (1) through concrete, and the embedded frame (1) is a ground cage.

4. An adjustable steam turbine anchor bolt as defined in claim 1, wherein: The special-shaped anchor bolt (4) is installed at the center of the embedded plate (2), the special-shaped anchor bolt (4) is installed at four corners of the embedded plate (2), and the connecting bolt (7) is distributed around the circumference of the special-shaped anchor bolt (4).

5. An adjustable steam turbine anchor bolt according to any one of claims 1-4, characterized in that: The connecting nut (8), the L anchor bolt nut (5) and the special-shaped anchor bolt nut (10) are provided with anti-skid washers (12).

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