CN211728871U

CN211728871U - Barrel aligning device

Info

Publication number: CN211728871U
Application number: CN201922373783.9U
Authority: CN
Inventors: 孔祥君; 高峰
Original assignee: PowerChina Nuclear Engineering Co Ltd
Current assignee: PowerChina Nuclear Engineering Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-10-23
Anticipated expiration: 2029-12-25

Abstract

The utility model provides a cylinder body alignment device, which relates to the technical field of installation and alignment of a vertical diagonal flow circulating water pump of a power plant, and comprises a support, a linear adjusting piece and a fixing piece; the support is provided with a fixing part, a sliding groove extending along a first direction is formed in the fixing part, the fixing part is arranged in the sliding groove, the fixing part is abutted against the side wall of the sliding groove and can slide along the sliding groove, and the fixing part is used for fixing the support; the linear adjusting piece is installed on the support and used for being connected with the lifting rope and driving the lifting rope to move along a second direction, and the first direction and the second direction are two mutually perpendicular directions on a horizontal plane. The utility model discloses a support has been fixed through the mounting, when using, does not need the hand support of manual work, and the support is also difficult to touch the removal, has solved the shaft hole of end cover and has looked for in right time, and the support is easy to be touched and takes place to shift, needs the problem of remeasurement correction, has avoided many times of repeated adjustment, has improved efficiency.

Description

Barrel aligning device

Technical Field

The utility model belongs to the technical field of the vertical diagonal flow circulating water pump installation alignment technique of power plant and specifically relates to a barrel aligning device is related to.

Background

In the installation process of the vertical diagonal flow circulating water pump of the power plant, aiming at the characteristics of heavy equipment weight, high installation precision and the like, the barrel for installing the water pump needs to be subjected to verticality adjustment, generally, the shaft hole of the end cover of the barrel is firstly aligned, and then the verticality of the barrel below the end cover is adjusted corresponding to the shaft hole of the end cover. The common tool comprises a thin steel wire, an inner diameter micrometer and a temporary channel steel, wherein in the actual construction process on site, the thin steel wire is fixed on the temporary channel steel, then the temporary channel steel is placed on the upper part of a cylinder end cover of the water pump, and at the moment, a steel wire rope downwards penetrates through a shaft hole of the end cover and hangs down into the cylinder; then, an inner micrometer is used for alignment, namely the inner micrometer is used for measuring the distance between the steel wire rope and the hole wall of the shaft hole of the end cover, when the distances between a plurality of positions (generally at least 4 positions uniformly distributed along the circumferential direction through the hole wall of the shaft hole) distributed along the circumferential direction of the hole wall of the shaft hole and the steel wire rope are equal, the steel wire rope is considered to be positioned in the center of the shaft hole of the end cover, and at the moment, the shaft hole alignment of the end cover is completed; after the shaft hole of the end cover is aligned, the perpendicularity of the cylinder is adjusted by measuring the numerical difference between the part of the steel wire rope penetrating into the cylinder and the peripheral side wall of the cylinder.

In the alignment process of end cover, when the distance between a plurality of positions (generally at least through 4 positions of edge circumference equipartition on the end cover) and the wire rope of shaft hole pore wall along distribution circumference is unequal, also when wire rope did not align with the center in shaft hole of end cover, generally through artifical the interim channel-section steel of holding, then strike the channel-section steel with hand hammer etc. and make it remove to make the channel-section steel drive the center in the shaft hole of end cover of thin steel wire. However, the alignment of the center of the equipment requires high precision, the error is within 0.05mm, and the adjustment amount is not easy to control and the adjustment precision is poor in the process of adjusting the channel steel by the hammer to enable the thin steel wire to be positioned in the center of the shaft hole of the end cover of the cylinder body, so that potential quality hazards are easy to occur; and the channel steel is simply placed on the end cover, is easy to touch and shift, needs repeated adjustment for many times, and is low in efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a barrel aligning device to under simple structure's condition, alleviate prior art, the alignment in-process of end cover needs the manual work to press interim channel-section steel and utilizes the hammer to strike interim channel-section steel in order to adjust the position of thin steel wire, has the easy quilt of interim channel-section steel to be touched the aversion, needs many times repeated adjustment, leads to the technical problem of inefficiency.

The utility model provides a cylinder aligning device, which comprises a support, a linear adjusting piece and a fixing piece;

the fixing part is arranged in the sliding groove, the fixing part is abutted against the side wall of the sliding groove and can slide along the sliding groove, when the fixing part and the sliding groove move in place relatively, the fixing part and the fixing part can be fixed relatively, and the fixing part is used for fixing the support;

the linear adjusting piece is installed on the support and used for being connected with the lifting rope and driving the lifting rope to move along a second direction, and the first direction and the second direction are two mutually perpendicular directions of a horizontal plane.

Furthermore, the support comprises a transverse rod, the transverse rod is supported and arranged on the two longitudinal rods, the two longitudinal rods are arranged at intervals, and the lower ends of the two longitudinal rods are connected with the fixing parts on the sides deviating from each other;

the linear adjusting piece is arranged on the transverse rod.

Further, the linear adjusting piece is arranged on the upper side face of the transverse rod, and a first through hole which allows the lifting rope to pass through and is communicated up and down is formed in the transverse rod.

Furthermore, a fixing plate is fixed on the upper side face of the transverse rod, the linear adjusting piece is installed on the fixing plate, and a second through hole communicated with the first through hole is formed in the fixing plate.

Further, the linear adjusting piece comprises a screw rod and a nut, the nut is fixed on the support, the screw rod is in threaded connection with the nut, and the screw rod is used for being connected with the lifting rope.

Furthermore, the number of the nuts is two, the two nuts are arranged at intervals, and the position, located between the two nuts, of the screw rod is used for being connected with the lifting rope.

Furthermore, a hanging piece used for being connected with the lifting rope is arranged on the screw rod.

Further, an operating part is connected to the screw.

Further, the mounting includes the bolt, the bolt is worn to establish in the spout, just the circumference wall of bolt with the inner wall butt of spout, the bolt can wear out the spout is connected with fastening nut.

Further, barrel aligning device still includes lifting rope and counterweight, the one end of lifting rope with the support is connected, counterweight sets up the lifting rope is kept away from the one end of support.

The utility model provides a barrel aligning device, when using, install lifting rope (for example wire rope) on sharp regulating part, fix the support on the upper end of end cover or barrel through the mounting, when needing to adjust the position of lifting rope in the first direction, because the mounting can slide along the spout, so promote the support, the spout on the fixed part of support moves relative to the mounting, at this moment the straight line regulating part can move along the first direction with lifting rope together; when the position of the lifting rope in the second direction needs to be adjusted, the lifting rope is driven to move along the second direction by operating the linear adjusting piece. Firstly, the utility model has simple structure, the fixing part and the fixing part can slide, so that the position of the lifting rope can be adjusted in the first direction through the support; the straight line regulating part is installed on the support to can carry out the adjustment of second direction to the lifting rope, and first direction is perpendicular with the second direction, thereby the lifting rope can reach arbitrary one required position in the plane, has satisfied the demand of adjusting the lifting rope position. Secondly, the utility model discloses the support is fixed through the mounting, when using, does not need the hand support of manual work, and the support is also difficult to touch the removal, when having solved the shaft hole of end cover and looking for, the support is easy to be touched and takes place to shift, and leads to the problem that needs remeasurement correction, has avoided many times of repeated adjustment, has improved efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic axial view of a barrel alignment device provided in an embodiment of the present invention;

fig. 2 is an installation schematic view of the barrel aligning device provided by the embodiment of the present invention during use.

Icon: 100-a support; 110-a transverse bar; 120-longitudinal rod; 130-a stationary part; 131-a chute; 200-linear adjustment; 210-a screw; 211-an operating part; 220-a nut; 300-a fixed plate; 400-hanging the piece; 500-a fixture; 510-bolt; 520-a fastening nut; 600-lifting a rope; 700-a counterweight; 800-end cover; 810-shaft hole; 900-inside micrometer.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 2, the present embodiment provides a cylinder alignment device, which includes a support 100, a linear adjuster 200, and a fixing member 500. The support 100 is provided with a fixing portion 130, the fixing portion 130 is provided with a sliding groove 131 extending along a first direction, the fixing member 500 is disposed in the sliding groove 131, the fixing member 500 abuts against a side wall of the sliding groove 131 and can slide along the sliding groove 131, when the fixing member 500 and the sliding groove 131 move in place relatively, the fixing member 500 and the fixing portion 130 can be fixed relatively, and the fixing member 500 is used for fixing the support 100. The linear adjusting part 200 is installed on the support 100, and the linear adjusting part 200 is used for being connected with the lifting rope 600 and can drive the lifting rope 600 to move along a second direction, and the first direction and the second direction are two mutually perpendicular directions of a horizontal plane.

In the barrel body alignment device of the embodiment, when in use, the lifting rope 600 is installed on the linear adjusting piece 200, the support 100 is fixed on the end cover 800 or the upper end of the barrel body through the fixing piece 500, when the position of the lifting rope 600 in the first direction needs to be adjusted, the fixing piece 500 can slide along the sliding groove 131, so that the support 100 is pushed, the sliding groove 131 on the fixing part 130 of the support 100 moves relative to the fixing piece 500, and at this time, the linear adjusting piece 200 and the lifting rope 600 can move along the first direction; when the position of the lifting rope 600 in the second direction needs to be adjusted, the lifting rope 600 is driven to move along the second direction by operating the linear adjusting member 200.

First, the fixing member 500 and the fixing portion 130 are slidable, so that the position of the lifting rope 600 can be adjusted in the first direction by the support 100; the linear adjusting member 200 is installed on the support 100, and can adjust the lifting rope 600 in the second direction, and the first direction is perpendicular to the second direction, so that the lifting rope 600 can reach any desired position in the plane, and the requirement of adjusting the position of the lifting rope 600 to make the lifting rope 600 be located at the center of the end cover 800 is met. Secondly, the utility model discloses support 100 is fixed through mounting 500, when using, does not need the hand support 100 of manual work, and support 100 is also difficult to be touched the removal, when having solved end cover 800's shaft hole 810 alignment, support 100 is touched easily and takes place to shift, and leads to the problem that needs remeasurement correction, has avoided repetitious adjustment, has improved efficiency.

Specifically, the support 100 of the barrel alignment device of the present embodiment includes a transverse rod 110, the transverse rod 110 is supported and disposed on two longitudinal rods 120, the two longitudinal rods 120 are disposed at an interval, and the lower ends of the two longitudinal rods 120 are respectively connected with a fixing portion 130 at the side where the two longitudinal rods depart from each other; the linear adjuster 200 is provided on the transverse bar 110.

That is, as shown in fig. 1 or fig. 2, the support 100 is a "door" -shaped frame, the horizontal rod 110 of the "door" -shaped frame is provided with the linear adjusting member 200, and one side surface of the two vertical rods 120 in the vertical direction of the "door" -shaped frame, which is far away from each other, i.e., in fig. 1, the left side surface of the left vertical rod 120 and the right side surface of the right vertical rod 120 are both provided with the fixing portions 130. In use, it should be noted that the distance between the two longitudinal rods 120 is preferably greater than the internal diameter of the wellbore, so that the fixed portion 130 of the longitudinal rod 120 can be connected with the wall of the wellbore or the end cap 800.

The support 100 of this embodiment can adopt the welding equipment of U type channel steel to form, and the size of concrete support 100 can be according to the different specifications of the size preparation of the nozzle of barrel. The two longitudinal bars 120 correspond to legs, and the fixing portion 130 is preferably disposed at the root of the longitudinal bars 120, and may be connected by welding.

Aiming at the alignment of the cylinder body provided with the oblique flow circulating water pump, the center of the shaft hole 810 of the end cover 800 on the cylinder body is generally found, then the center of the shaft hole 810 of the end cover 800 is defaulted to be consistent with the center of the upper port of the cylinder body, and then the cylinder body is corrected by adopting a vertical line correction mode. The fixing parts 130 of the present embodiment are preferably connected to the end cap 800, and the two fixing parts 130 of the two longitudinal rods 120 are respectively fixed to two opposite sides of the shaft hole 810 of the end cap 800 and fixed to the upper surface of the end cap 800.

Further, the fixing member 500 includes a bolt 510, the bolt 510 is inserted into the sliding groove 131, a circumferential wall surface of the bolt 510 abuts against an inner wall of the sliding groove 131, and the bolt 510 can penetrate through the sliding groove 131 and is connected with a fastening nut 520.

As shown in fig. 1, the fixing portion 130 is an inverted U-shaped channel plate, and the sliding groove 131 is opened on an upper top surface of the inverted U-shaped channel plate and extends in an extending direction of the transverse bar 110. The bolt 510 penetrates the sliding groove 131 and abuts against the side wall of the sliding groove 131, and the upper end of the bolt 510 penetrates the sliding groove 131 and is connected with the fastening nut 520.

When the lifting rope 600 is used specifically, the lower end of the bolt 510 can be in threaded connection with the end cover 800 of the barrel, when the lifting rope 600 is adjusted, the fixing part 130 is not locked by the fastening nut 520, at the moment, the support 100 is pushed, the bolt 510 and the sliding groove 131 move relatively, the position of the lifting rope 600 along the direction of the transverse rod 110 is adjusted, and the fixing part 130 is locked by the locking nut 220 after the position of the lifting rope 600 is adjusted.

It is understood that the sliding slot 131 can be actually understood as a rectangular bolt hole, which facilitates the bolt 510 to fix the support 100, and the bolt 510 abuts against the sliding slot 131, so as to prevent the bolt 510 from shaking in the sliding slot 131, and the bolt 510 can only move relative to the sliding slot 131 along the extending direction of the sliding slot 131. The fixing portion 130 may also be a flat plate, a fixing block, etc., and the fixing member 500 may also be in the form of a pin shaft fitting a positioning pin, etc.

Further, the linear adjuster 200 is provided at an upper side of the transverse bar 110, and the transverse bar 110 is provided with a first through hole communicating up and down to allow the lifting rope 600 to pass therethrough.

As shown in fig. 1, a fixing plate 300 is fixed to an upper side of the transverse bar 110, the linear adjuster 200 is mounted on the fixing plate 300, a second through hole communicated with the first through hole is formed in the fixing plate 300, and the lifting rope 600 can pass through the first and second through holes.

Specifically, the linear adjuster 200 includes a screw rod 210 and a nut 220, the nut 220 is fixed on the support 100, the screw rod 210 is in threaded connection with the nut 220, and the screw rod 210 is used for connecting with the lifting rope 600.

In the present embodiment, the slide groove 131 is disposed along the extending direction of the transverse rod 110, and the screw 210 of the corresponding linear adjuster 200 is disposed along the horizontal direction perpendicular to the transverse rod 110. Since the nut 220 is fixedly disposed, when the screw 210 is rotated, the screw 210 moves relative to the nut 220 in the extending direction of the screw 210, and the corresponding lifting rope 600 disposed on the screw 210 also moves together with the screw 210.

In order to enhance the stability of the screw rod 210, the number of the nuts 220 is two, two nuts 220 are spaced apart, and the position of the screw rod 210 between the two nuts 220 is used for connecting with the lifting rope 600.

That is, as shown in fig. 1, the lifting rope 600 is connected to the middle of the screw rod 210, and nuts 220 are respectively disposed at both ends of the screw rod 210. For convenience of operation, an operation portion 211 is connected to one end of the screw 210, and the operation portion 211 may be a knob or the like for convenience of operation.

In this embodiment, the fixing plate 300 of the linear adjuster 200 mainly serves to reinforce the strength of the transverse rod 110, and may be a steel plate having a thickness of 10mm, a second through hole is formed by cutting a square hole having a size of about 5cm × 5cm in the middle of the steel plate, and the nut 220 may be welded to the fixing plate 300. It should be noted that the first through hole may be the same size as the first through hole and aligned therewith.

In this embodiment, the screw rod 210 is further provided with a hanging piece 400 for connecting with the lifting rope 600. The hanging piece 400 can be a flat washer, the flat washer is sleeved in a thread gap of the screw 210, and the lifting rope 600 bypasses the annular wall of the flat washer to be connected with the flat washer, so that the hanging piece is convenient to detach and install.

Further, the barrel aligning device further comprises a lifting rope 600 and a weight 700, wherein one end of the lifting rope 600 is connected with the support 100, and the weight 700 is arranged at one end of the lifting rope 600 far away from the support 100.

Specifically, the lifting rope 600 may be detachably mounted on the screw 210 through the aforementioned flat washer, and the weight member 700 is coupled to the lower end of the lifting rope 600.

In view of the strength of the lifting rope 600 and the requirement for barrel alignment accuracy, the lifting rope 600 is typically made of thin steel wires, typically with a diameter of no more than 2 mm.

The assembly process of the linear adjusting member 200 of the barrel alignment device of this embodiment is to place a flat washer in the middle of the screw 210, the screw 210 moving with the screw 210, and then the screw 210 for adjusting the position of the thin steel wire is threaded onto the two nuts 220, the thin steel wire for centering is bound on the washer, the lower part of the thin steel wire is bound with a weight 700 for straightening the thin steel wire, so that the thin steel wire is perpendicular to the inside of the barrel, and then the adjustment and alignment of the position of the thin steel wire in the shaft hole of the end cap 800 of the barrel are performed.

The specific use process of this embodiment barrel aligning device does: the bracket is preliminarily fixed at the approximate center position of the end cover 800 of the barrel by using a bolt 510, one end of a lifting rope 600 is fixed on the flat washer, the other end of the lifting rope 600 is bound with a counterweight and then is put into the barrel through a middle shaft hole 810 of the end cover 800 of the barrel, and the counterweight cannot be contacted with any equipment after being put into the barrel, so that the barrel is in a free state. One end of the inside micrometer 900 is in contact with the inner wall of the middle shaft hole 810 of the end cover 800 of the cylinder, the other end of the inside micrometer is directed to the lifting rope 600, the distances from a plurality of circumferential positions of the inner wall of the shaft hole 810 to the lifting rope 600 are measured, and the position of the lifting rope 600 is adjusted according to the measured distances until the plurality of circumferential positions of the inner wall of the shaft hole 810 are equal to the distance of the lifting rope 600, so that the lifting rope 600 can be considered to be located at the center of the shaft hole 810 of the end cover 800 of the cylinder. When the position of concrete lifting rope 600 is adjusted, the support 100 can be slightly moved integrally through the sliding groove 131, the distance between the internal micrometer 900 and the lifting rope 600 is adjusted, the screw 210 can also be slightly rotated to drive the flat washer fixed with the lifting rope 600, the distance between the internal micrometer 900 and the lifting rope 600 is adjusted, through the two operations, the position of the lifting rope 600 is slightly and continuously adjusted in four different directions including front, back, left and right, and when the internal micrometer 900 is used for measurement, 360 degrees of the circumference of the shaft hole 810 can enable one end of the internal micrometer 900 adjusted to be the same size to be in contact with the inner wall of the middle shaft hole 810 of the end cover 800, and the other end of the internal micrometer 900 is in contact with the lifting rope 600. The support 100 is then tightened firmly against touch displacement with bolts 510 in combination with tightening nuts 520. After the center alignment of the end cover 800 of the cylinder is completed, the next step can be performed to align the cylinder verticality. The specific barrel perpendicularity alignment is generally to manually measure the distance between the side wall of the barrel and the lifting rope 600 in the barrel, if the circumferential positions of the side wall of the barrel are different from the distance between the lifting rope 600, the inclination of the barrel needs to be adjusted until the distance between any point on 360 degrees of the circumferential side wall of the barrel and the lifting rope 600 is equal, and the barrel can be considered to be vertical.

In conclusion, the barrel aligning device of the embodiment is safe, reliable, simple in structure, easy to manufacture, convenient to use, short in aligning time, high in precision and not easy to change, and the barrel aligning efficiency is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The cylinder body alignment device is characterized by comprising a support (100), a linear adjusting piece (200) and a fixing piece (500);

the fixing device comprises a support (100), wherein the support (100) is provided with a fixing part (130), a sliding groove extending along a first direction is formed in the fixing part (130), a fixing part (500) is arranged in the sliding groove, the fixing part (500) is abutted to the side wall of the sliding groove and can slide along the sliding groove, when the fixing part (500) and the sliding groove move in place relatively, the fixing part (500) and the fixing part (130) can be fixed relatively, and the fixing part (500) is used for fixing the support (100);

the linear adjusting piece (200) is installed on the support (100), the linear adjusting piece (200) is used for being connected with the lifting rope (600) and can drive the lifting rope (600) to move along a second direction, and the first direction and the second direction are two mutually perpendicular directions of a horizontal plane.

2. The barrel aligning device according to claim 1, wherein the support (100) comprises a transverse rod (110), the transverse rod (110) is supported and arranged on two longitudinal rods (120), the two longitudinal rods (120) are arranged at intervals, and the lower ends of the two longitudinal rods (120) are connected with the fixing part (130) on the sides facing away from each other;

the linear adjustment member (200) is provided on the transverse bar (110).

3. Barrel aligning device according to claim 2, characterized in that the linear adjustment member (200) is arranged on the upper side of the transverse bar (110), and the transverse bar (110) is provided with a first through hole which allows the suspension rope (600) to pass through and is communicated up and down.

4. The barrel aligning apparatus according to claim 3, wherein a fixing plate (300) is fixed to an upper side of the cross bar (110), the linear adjuster (200) is mounted on the fixing plate (300), and a second through hole communicating with the first through hole is provided in the fixing plate (300).

5. Barrel alignment device according to any of claims 1-4, wherein the linear adjustment member (200) comprises a threaded rod (210) and a nut (220), the nut (220) being fixed to the support (100), the threaded rod (210) being in threaded connection with the nut (220), the threaded rod (210) being adapted to be connected to the lifting rope (600).

6. The barrel aligning device of claim 5, wherein the number of the nuts (220) is two, two nuts (220) are arranged at intervals, and the position of the screw rod (210) between the two nuts (220) is used for connecting with the lifting rope (600).

7. Barrel aligning device according to claim 5, characterized in that a hanging piece (400) for connecting with a lifting rope (600) is arranged on the screw (210).

8. Barrel aligning device according to claim 5, characterized in that an operating part (211) is connected to the screw (210).

9. The barrel aligning device according to claim 1, wherein the fixing member (500) comprises a bolt (510), the bolt (510) is inserted into the sliding groove (131), a circumferential wall surface of the bolt (510) abuts against an inner wall of the sliding groove (131), and the bolt (510) can penetrate through the sliding groove (131) and is connected with a fastening nut (520).

10. The barrel alignment device as claimed in claim 1, further comprising a lifting rope (600) and a weight member (700), wherein one end of the lifting rope (600) is connected to the support (100), and the weight member (700) is disposed at one end of the lifting rope (600) away from the support (100).