Adjustable short-spacing type coupling center alignment gauge stand

Abstract

The utility model discloses an adjustable short spacing type coupling center alignment gauge stand, which comprises an annular hoop and an adjusting rod arranged on the annular hoop, and the adjusting rod is horizontally or vertically provided with a dial indicator. A plurality of shaft diameter adaptive assemblies are arranged on the annular hoop, each shaft diameter adaptive assembly comprises a jackscrew rod in threaded connection with the annular hoop and a jackscrew limiting piece in threaded connection with the annular hoop, the end of each jackscrew rod faces a center shaft of the annular hoop, and the end of each jackscrew limiting piece faces the corresponding jackscrew rod; when the inner diameter of the shaft of the coupler is smaller than that of the arc-shaped hoop, after the shaft of the coupler is sleeved with the annular hoop through the shaft diameter adapting assembly, the jackscrew rod is rotated, the end of the jackscrew rod can abut against the shaft of the coupler, and therefore the arc-shaped hoop can fix shaft diameters of different models, and the meter frame can adapt to fixing of the couplings of different models.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of coupling installation, in particular to a table stand for center alignment of adjustable short-distance type coupling. BACKGROUND

[0002] Coupling centering is an important work for the maintenance of rotating equipment such as steam turbine generators, water pumps, fans, and coal mills. Misalignment of the coupling center of rotating equipment will inevitably cause abnormal vibration of the equipment. Therefore, the coupling of rotating equipment after installation or maintenance must be centered to ensure that the center deviation of the two shafts is within the allowable range.

[0003] For example, patent number "CN218955664U", patent name "High-pressure feed water pump coupling centering special table stand" discloses a table stand that can support a dial gauge. The first dial gauge is in contact with the upper surface of the second back wheel disc, and the second dial gauge is in contact with the side surface of the second back disc. The coupling can be locked by a clamp to ensure the stability of the entire device, so that the dial gauge will not shake or fall off during rotation.

[0004] Although the above-mentioned table stand can stably support the dial gauge on the first back wheel column, the table stand has low adaptability and can only be used for a single type of coupling. Otherwise, the table stand cannot be stably connected to the first back wheel column. Content of the utility model

[0005] The utility model aims at overcoming the defects of the prior art, and provides a table stand for center alignment of adjustable short-distance type coupling. The table stand can connect different types of couplings and has a wider range of adaptability.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0007] A table stand for center alignment of adjustable short-distance type coupling, comprising a ring-shaped hoop and an adjusting rod arranged on the ring-shaped hoop, wherein the adjusting rod is horizontally or vertically provided with a dial gauge; a plurality of shaft diameter adaptation assemblies are arranged on the ring-shaped hoop, each shaft diameter adaptation assembly comprising a top screw rod threadedly connected to the ring-shaped hoop and a top screw limiting piece threadedly connected to the ring-shaped hoop, wherein the end of the top screw rod is directed towards the central shaft of the ring-shaped hoop, and the end of the top screw limiting piece is directed towards the top screw rod.

[0008] Preferably, the adjusting rod comprises a lower rod connected to the ring-shaped hoop, an upper rod slidingly connected to the lower rod, a horizontal adjusting assembly arranged between the lower rod and the ring-shaped hoop and used for moving the adjusting rod away from or towards the ring-shaped hoop, and a vertical adjusting assembly arranged between the lower rod and the upper rod and used for moving the upper rod and the lower rod away from or towards each other.

[0009] Preferably, the horizontal adjusting assembly comprises a horizontal guide seat fixed on the annular hoop, a horizontal adjusting piece rotatably arranged on the horizontal guide seat, a horizontal guide rod fixed on the horizontal guide seat and slidably connected with the lower rod, and a horizontal limiting piece threadedly connected with the annular hoop; the horizontal adjusting piece is threadedly connected with the lower rod; and the end of the horizontal limiting piece faces the horizontal adjusting piece.

[0010] Preferably, the vertical adjusting assembly comprises a first vertical adjusting hole arranged on the lower rod, a plurality of second vertical adjusting holes arranged on the upper rod, and a vertical limiting piece threadedly connected with the first vertical adjusting hole, and the end of the vertical limiting piece can pass through the first vertical adjusting hole and enter any one of the second vertical adjusting holes.

[0011] Preferably, the first vertical adjusting hole is a threaded through hole, and the second vertical adjusting hole is a blind hole.

[0012] Preferably, the end of the upper rod away from the lower rod is fixed with a first connecting notch, and the dial gauge can be vertically inserted into the first connecting notch.

[0013] Preferably, a length of the upper rod away from the lower rod is detachably provided with an extension piece, the extension piece is provided with a second connecting notch, the dial gauge can be vertically inserted into the second connecting notch, and the extension piece is provided with a screwing piece for limiting the mutual movement of the dial gauge and the extension piece.

[0014] Preferably, a length of the upper rod away from the lower rod is detachably provided with an extension piece, the extension piece is provided with a third connecting notch, the dial gauge can be transversely inserted into the third connecting notch, and the extension piece is provided with a screwing piece for limiting the mutual movement of the dial gauge and the extension piece.

[0015] Preferably, the extension piece is provided with a first extension hole, the upper rod is provided with a plurality of second extension holes, and a bolt is arranged between the first extension hole and one of the second extension holes.

[0016] Preferably, the annular hoop comprises a first half hoop and a second half hoop, one end of the first half hoop is rotatably connected with one end of the second half hoop, and the other end of the first half hoop is lockingly connected with the other end of the second half hoop through a bolt; and a reinforcing rib is arranged at the rotatable connection position of the first half hoop and the second half hoop.

[0017] In summary, the utility model has the following beneficial technical effects:

[0018] The annular hoop can be fixed with the corresponding type of coupling, when the shaft of the coupling is smaller than the inner diameter of the arc-shaped hoop, the annular hoop is sleeved on the shaft of the coupling through the shaft diameter adapting assembly, the end of the jackscrew is abutted against the shaft of the coupling by rotating the jackscrew, so that the arc-shaped hoop can be fixed on shafts with different diameters, thereby realizing the fixing of the table frame on different types of couplings. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the overall structure schematic diagram of the utility model.

[0020] Figure 2 is the partial structure schematic diagram of the utility model.

[0021] Figure 3 is the partial explosion structure schematic diagram of the utility model.

[0022] Figure 4 is the partial section structure schematic diagram of the utility model.

[0023] Figure 5 is Figure 1 the enlarged structure schematic diagram of A in the middle.

[0024] Figure 6 is Figure 4 the enlarged structure schematic diagram of B in the middle.

[0025] Mark 1, annular hoop; 11, first semicircular hoop; 12, second semicircular hoop; 13, bolt; 14, reinforcing rib; 2, adjusting rod; 21, lower rod; 22, upper rod; 23, first connecting notch; 3, shaft diameter adapting assembly; 31, jackscrew; 32, jackscrew limiting piece; 4, horizontal adjusting assembly; 41, horizontal guide seat; 42, horizontal adjusting piece; 43, horizontal guide rod; 44, horizontal limiting piece; 5, vertical adjusting assembly; 51, first vertical adjusting hole; 52, second vertical adjusting hole; 53, vertical limiting piece; 6, extension piece; 61, second connecting notch; 62, third connecting notch; 63, screwing piece; 64, first extension hole; 65, second extension hole; 66, bolt; 7, dial indicator. DETAILED DESCRIPTION

[0026] In the present specification, the orientation terms such as up, down, left, right, front, back, front face, back face, top, bottom, etc. mentioned or possibly mentioned are defined with respect to the configuration shown in the drawings, and they are relative concepts, so it is possible that they will change accordingly according to different positions and different use states. Therefore, these or other orientation terms should not be interpreted as restrictive terms. In addition, the terms "first", "second", "third" or the like or similar expressions are only used for description and differentiation purposes, and cannot be understood as indicating or implying the relative importance of the corresponding members.

[0027] The application will be further described below in conjunction with the accompanying drawings. Figure 1 - the accompanying drawings Figure 6 The application will be further described below in conjunction with the accompanying drawings.

[0028] The application discloses a table frame for center alignment of an adjustable short-distance type coupling.

[0029] The application discloses a table frame for center alignment of an adjustable short-distance type coupling.

[0030] The annular hoop 1 comprises a first semicircular hoop 11 and a second semicircular hoop 12, one end of the first semicircular hoop 11 is rotationally connected to one end of the second semicircular hoop 12, and the other end of the first semicircular hoop 11 is lockingly connected to the other end of the second semicircular hoop 12 through a bolt 13; and a reinforcing rib 14 is arranged at the rotationally connected position of the first semicircular hoop 11 and the second semicircular hoop 12.

[0031] The annular hoop 1 is provided with a plurality of shaft diameter adapting assemblies 3, and each shaft diameter adapting assembly 3 comprises a jackscrew 31 and a jackscrew limiting piece 32; the jackscrew 31 is a jackscrew bolt, and the threads are not shown in the figure.

[0032] The jackscrew limiting piece 32 is threadedly connected to the radial surface of the annular hoop 1, the jackscrew limiting piece 32 is perpendicular to the jackscrew 31, and the end of the jackscrew limiting piece 32 is directed towards the jackscrew 31.

[0033] The adjusting rod 2 comprises a lower rod 21, an upper rod 22, a horizontal adjusting assembly 4 and a vertical adjusting assembly 5; the lower end of the lower rod 21 is connected to the outer circumferential surface of the annular hoop 1 through the horizontal adjusting assembly 4, the lower end of the upper rod 22 is slidingly connected to the upper end of the lower rod 21, and the vertical adjusting assembly 5 is arranged between the upper rod 22 and the lower rod 21.

[0034] The horizontal adjusting assembly 4 is used for moving the adjusting rod 2 away from or close to the annular hoop 1.

[0035] The vertical adjusting assembly 5 is used for moving the upper rod 22 and the lower rod 21 away from or close to each other.

[0036] The horizontal adjusting assembly 4 comprises a horizontal guide seat 41, a horizontal adjusting piece 42, a horizontal guide rod 43 and a horizontal limiting piece 44. One end of the horizontal guide seat 41 is fixed on the annular hoop 1, the horizontal adjusting piece 42 is rotatably arranged at the other end of the horizontal guide seat 41, the other end of the horizontal adjusting piece 42 is threadedly connected with the lower rod 21, the horizontal guide rod 43 is arranged through the lower rod 21, and the lower rod 21 is slidably connected with the horizontal guide rod 43. The horizontal limiting piece 44 is threadedly connected with the radial surface of the annular hoop 1, and the end of the horizontal limiting piece 44 is directed towards the horizontal adjusting piece 42. When it is needed to move the dial gauge 7 in the radial direction relative to the coupling, the horizontal adjusting piece 42 is rotated, and the adjusting rod 2 is moved relative to the annular hoop 1 by using the principle of screw transmission. The horizontal guide rod 43 is used to limit the rotation of the lower rod 21 relative to the horizontal adjusting rod 2, so that the lower rod 21 can slide relative to the horizontal guide rod 43 when the horizontal adjusting piece 42 is rotated.

[0037] The vertical adjusting assembly 5 comprises a first vertical adjusting hole 51, a plurality of second vertical adjusting holes 52 and a vertical limiting piece 53. The first vertical adjusting hole 51 is arranged at the upper end of the lower rod 21, and is a threaded through hole. The second vertical adjusting holes 52 are arranged at the lower end of the upper rod 22, and are blind holes. The vertical limiting piece 53 is threadedly connected with the first vertical adjusting hole 51, and the end of the vertical limiting piece 53 can pass through the first vertical adjusting hole 51 and be connected with the second vertical adjusting holes 52 when the first vertical adjusting hole 51 is communicated with the second vertical adjusting holes 52.

[0038] The vertical limiting piece 53 is connected with the first vertical adjusting hole 51 and the second vertical adjusting holes 52 at different positions, so that the dial gauge 7 can be adjusted in the height direction. Since the second vertical adjusting holes 52 are blind holes, the end of the vertical limiting piece 53 can abut against the hole wall of the blind hole after the end of the vertical limiting piece 53 enters the second vertical adjusting holes 52 and is tightened, so that the upper rod 22 and the lower rod 21 are fixed relative to each other.

[0039] The end of the upper rod 22 away from the lower rod 21 is fixed with a first connecting slot 23, and the dial gauge 7 can be vertically arranged in the first connecting slot 23.

[0040] A section of the upper rod 22 away from the lower rod 21 is detachably provided with an extension piece 6, and the extension piece 6 can make the dial gauge 7 further close to the central axis of the annular hoop 1, so that the dial gauge 7 can abut against the coupling with a smaller shaft diameter.

[0041] The extension piece 6 is provided with a second connecting slot 61, and the dial gauge 7 can be vertically arranged in the second connecting slot 61. The extension piece 6 is provided with a screwing piece 63 for limiting the mutual movement of the dial gauge 7 and the extension piece 6. The second connecting slot 61 can enable the dial gauge 7 to detect the circumferential surface of the coupling, and can align the circumferential surface of the coupling.

[0042] The extension piece 6 is provided with a third connecting slot 62, the dial gauge 7 can be transversely inserted into the third connecting slot 62, and the extension piece 6 is provided with a screwing piece 63 for limiting the mutual movement of the dial gauge 7 and the extension piece 6. The third connecting slot 62 can enable the dial gauge 7 to detect the radial surface of the coupling, and to align the radial surface of the coupling.

[0043] The extension piece 6 is provided with a first extension hole 64, the upper rod 22 is provided with a plurality of second extension holes 65, and the first extension hole 64 and one of the second extension holes 65 are provided with a bolt 66. The bolt 66 is connected through the first extension hole 64 and different second extension holes 65, so as to adjust the distance of the extension piece 6, and finally enable the dial gauge 7 to abut against the coupling with a smaller shaft diameter.

[0044] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application; therefore, according to the technical scheme of the present application, a person skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the present application. Therefore, the above specific embodiments and the drawings are only exemplary descriptions of the technical scheme of the present application, and should not be regarded as the whole of the present application or as the limitation or restriction of the technical scheme of the present application. Therefore, any equivalent changes made according to the structure, shape and principle of the present application should be covered in the protection scope of the present application.

Claims

1. An adjustable short-pitch type coupling centering table stand, characterized by: The utility model provides a kind of ring hoop (1) and the adjusting rod (2) of being arranged in the ring hoop (1), the adjusting rod (2) is horizontally or vertically provided with dial gauge (7);A plurality of shaft diameter adaptation components (3) are provided on the ring hoop (1), the shaft diameter adaptation component (3) includes screw thread connection top screw rod (31) of the ring hoop (1) and screw thread connection top screw limiting part (32) of the ring hoop (1), the end of the top screw rod (31) is towards the central axis of the ring hoop (1), and the end of the top screw limiting part (32) is towards the top screw rod (31).

2. An aligning table for a short-coupling center of claim 1, wherein: The adjusting rod (2) includes lower rod (21) connected to ring hoop (1), upper rod (22) slidably connected to lower rod (21), horizontal adjusting assembly (4) arranged between lower rod (21) and ring hoop (1) and used for moving adjusting rod (2) away from or close to ring hoop (1), and vertical adjusting assembly (5) arranged between lower rod (21) and upper rod (22) and used for moving upper rod (22) and lower rod (21) away from or close to each other.

3. A table stand for centering adjustable short-coupling as claimed in claim 2, characterized in that: The horizontal adjusting assembly (4) includes horizontal guide seat (41) fixedly arranged on the ring hoop (1), horizontal adjusting member (42) rotatably arranged on the horizontal guide seat (41), horizontal guide rod (43) fixedly arranged on the horizontal guide seat (41) and slidably connected to the lower rod (21), and horizontal limiting part (44) screw threadedly connected to the ring hoop (1); the horizontal adjusting member (42) is screw threadedly connected to the lower rod (21); and the end of the horizontal limiting part (44) is towards the horizontal adjusting member (42).

4. An alignment table for adjustable short-coupled couplings as defined in claim 2, wherein: The vertical adjusting assembly (5) includes first vertical adjusting hole (51) arranged on the lower rod (21), a plurality of second vertical adjusting holes (52) arranged on the upper rod (22), and vertical limiting part (53) screw threadedly connected to the first vertical adjusting hole (51); the end of the vertical limiting part (53) can pass through the first vertical adjusting hole (51) and enter any one of the second vertical adjusting holes (52).

5. An alignment table for adjustable short-coupled couplings as defined in claim 4, wherein: The first vertical adjusting hole (51) is a threaded through hole, and the second vertical adjusting hole (52) is a blind hole.

6. An alignment table for adjustable short-coupled couplings as defined in claim 2, wherein: The end of the upper rod (22) away from the lower rod (21) is fixedly provided with first connecting notch (23), and the dial gauge (7) can be vertically inserted into the first connecting notch (23).

7. An adjustable short-coupled centering table for a coupler as defined in claim 2, characterized in that: A section of the upper rod (22) away from the lower rod (21) is detachably provided with extension piece (6), the extension piece (6) has second connecting notch (61), the dial gauge (7) can be vertically inserted into the second connecting notch (61), and the extension piece (6) is provided with screwing part (63) for limiting mutual movement of the dial gauge (7) and the extension piece (6).

8. An adjustable short-coupled centering table for a coupler as defined in claim 2, characterized in that: The upper rod (22) is detachably provided with an extension piece (6) away from the lower rod (21), the extension piece (6) is provided with a third connecting notch (62), the dial gauge (7) can be transversely inserted into the third connecting notch (62), and the extension piece (6) is provided with a screwing piece (63) for limiting the mutual movement of the dial gauge (7) and the extension piece (6).

9. A table stand for centering adjustable short-coupling according to claim 7 or 8, characterized in that: The extension piece (6) is provided with a first extension hole (64), and the upper rod (22) is provided with a plurality of second extension holes (65); a bolt (66) is arranged between the first extension hole (64) and one of the second extension holes (65).

10. An alignment table for adjustable short-coupled couplings as defined in claim 9, wherein: The annular hoop (1) comprises a first semicircular hoop (11) and a second semicircular hoop (12), one end of the first semicircular hoop (11) is rotationally connected with one end of the second semicircular hoop (12), and the other end of the first semicircular hoop (11) is lockingly connected with the other end of the second semicircular hoop (12) through a bolt (13); a reinforcing rib (14) is arranged at the rotationally connected position of the first semicircular hoop (11) and the second semicircular hoop (12).

Images