On-site plane milling horizontal correction device

Abstract

The utility model discloses a field plane milling horizontal correction device, which relates to the technical field of plane detection and comprises a flange to be detected, a positioning base arranged in the flange to be detected, a positioning support fixedly mounted on the positioning base, a level bubble fixedly mounted at the upper end of the positioning support, and a positioning mechanism arranged in the positioning base. The positioning mechanism comprises a first hydraulic cylinder fixedly installed in the positioning base, a second hydraulic cylinder is fixedly installed on the first hydraulic cylinder, a control piston is movably installed in the first hydraulic cylinder, a threaded rod is rotatably installed on the control piston, a plunger ejector rod is movably installed in the second hydraulic cylinder, and a correcting mechanism is arranged on the positioning supporting column. The correcting mechanism comprises a rotary connecting base rotationally installed on the positioning supporting column. According to the on-site plane milling horizontal correction device, through cooperative use of the positioning mechanism and the correction mechanism, whether the butt joint face of a flange to be detected is flat or not can be detected, a mark can be made at the protruding position of the butt joint face of the flange, and follow-up finishing by workers is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to plane detection technical field, concretely is a kind of on-site plane milling horizontal correction device. BACKGROUND

[0002] Flange is a disc-shaped part, usually with bolt holes, used to connect pipes, equipment or accessories, and through fasteners such as bolts, nuts to achieve fastening and sealing. It is a part that connects shafts with each other, not only bearing the function of transmitting medium, but also ensuring the sealing and strength of the connection, and is an indispensable key element in the industrial field. In the long-term use process, flange may be damaged due to mechanical damage, medium corrosion, sealing surface crack and other reasons. Flange repair is a maintenance work for flange face damage, deformation or leakage and other problems.

[0003] When flange is repaired, milling equipment needs to be used to mill the surface of flange. Uneven milling surface will cause the gasket to be unable to bear force uniformly, resulting in local sealing not being tight, and increasing the risk of medium leakage. Especially in high temperature, high pressure or corrosive medium environment, the leakage problem is more serious, and the uneven butt joint surface may also cause additional wear or scratches to the sealing surface, further reducing the sealing performance and shortening the service life of the sealing element. Therefore, an on-site plane milling horizontal correction device is proposed. SUMMARY

[0004] The utility model aims at providing an on-site plane milling horizontal correction device to solve the problem of uneven detection of flange surface in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an on-site plane milling horizontal correction device, comprising a to-be-detected flange, a positioning base is arranged in the to-be-detected flange, a positioning support is fixedly installed on the positioning base, a bubble level is fixedly installed on the upper end of the positioning support, a positioning mechanism is arranged in the positioning base, the positioning mechanism comprises a first hydraulic cylinder fixedly installed in the positioning base, a second hydraulic cylinder is fixedly installed on the first hydraulic cylinder, a control piston is movably installed in the first hydraulic cylinder, a threaded rod is rotatably installed on the control piston, a plunger rod is movably installed in the second hydraulic cylinder, a correction mechanism is arranged on the positioning support, the correction mechanism comprises a rotary connecting seat rotatably installed on the positioning support, a positioning arm is fixedly installed on the rotary connecting seat, an active sliding groove is formed in the positioning arm, a high-precision distance measuring sensor is movably installed in the active sliding groove, a pigment tank is fixedly installed on one side of the high-precision distance measuring sensor, a pigment spray head is arranged at the bottom of the pigment tank, a pump cover is arranged at the upper end of the pigment tank, and the delivery pipe of the pigment spray head is connected to the pump cover, and the pigment tank stores pigment.

[0006] Preferably, a threaded hole is formed in the middle of the positioning support, the threaded rod is installed in the positioning support through the threaded hole, and the upper end of the threaded rod is fixedly installed with a rotating rod.

[0007] Preferably, an access hole is formed in the side wall of the positioning base, and the plunger rod extends out of the positioning base through the access hole.

[0008] Preferably, the first liquid cylinder is communicated with the second liquid cylinder, the lower end of the threaded rod is rotationally connected to the control piston, the upper end of the threaded rod is fixedly installed on the rotating rod, and the first liquid cylinder and the second liquid cylinder store hydraulic oil.

[0009] Preferably, a fixing frame body is arranged on the pigment tank, the pigment tank is fixed on one side of the high-precision distance measuring sensor through the fixing frame body, and the high-precision distance measuring sensor can detect the distance between the flange butt joint surface and the positioning support arm.

[0010] Preferably, a threaded hole is formed in the middle of the positioning support, the threaded rod is installed in the positioning support through the threaded hole, and the upper end of the threaded rod is fixedly installed with a rotating rod.

[0011] Preferably, the positioning support arm is rotationally installed on the positioning support through a rotating connecting base, the high-precision distance measuring sensor is movably installed in the positioning support arm through a movable sliding groove, and the high-precision distance measuring sensor can slide along the movable sliding groove.

[0012] Compared with the prior art, the application has the following beneficial effects:

[0013] 1. In the application, the threaded rod can be controlled to move downward, the threaded rod moves downward to drive the control piston to move downward, so that the hydraulic oil in the first liquid cylinder is squeezed into the second liquid cylinder, the plunger rod moves forward and abuts against the inner wall of the pipeline, and thus the entire device can be quickly positioned at the flange to be measured.

[0014] 2. In the application, the high-precision distance measuring sensor can be turned on to rotate the positioning support arm, so that the high-precision distance measuring sensor rotates around the flange to be measured, the distance between the flange butt joint surface and the positioning support arm is measured, when the distance between the flange butt joint surface and the positioning support arm changes greatly, it indicates that the butt joint surface of the flange to be measured is uneven, at this time, the pump cover can be pressed, and the pigment is sprayed to the protrusions of the flange butt joint surface, so that workers can conveniently perform subsequent trimming. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the application.

[0016] Figure 2 It is a local structure schematic view of the application.

[0017] Figure 3The utility model discloses a positioning mechanism schematic view.

[0018] Figure 4 The utility model discloses a correction mechanism schematic view.

[0019] The figure mark: 1, the flange of measurement, 2, the positioning pillar, 3, the screw hole, 4, the bubble level, 5, the positioning base, 6, the positioning mechanism, 601, the rotary pole, 602, the threaded rod, 603, the control piston, 604, the first liquid cylinder, 605, the second liquid cylinder, 606, the plunger top rod, 7, the correction mechanism, 701, the rotary connecting seat, 702, the positioning support arm, 703, the movable sliding slot, 704, the high accuracy distance measuring sensor, 705, the pump cover, 706, the pigment tank, 707, the fixed frame body, 708, the pigment spray head. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making the creative labor belong to the range of protection of the utility model.

[0021] As Figure 1 And Figure 2 The utility model provides a kind of technical scheme of on-site plane milling horizontal correction device, including the flange of measurement 1, the positioning base 5 is equipped in the flange of measurement 1, positioning base 5 is fixedly installed with positioning pillar 2, the upper end of positioning pillar 2 is fixedly installed with bubble level 4, positioning base 5 is equipped with positioning mechanism 6, positioning pillar 2 is equipped with correction mechanism 7, by the cooperation of positioning mechanism 6 and correction mechanism 7, whether the butt joint surface of the flange of measurement 1 can be detected flat, and can be marked at the convex place of flange butt joint surface, facilitate worker subsequent finishing.

[0022] As Figure 2 And Figure 3 Positioning mechanism 6 includes the first liquid cylinder 604 fixedly installed in positioning base 5, the second liquid cylinder 605 is fixedly installed on the first liquid cylinder 604, the control piston 603 is movably installed in the first liquid cylinder 604, the threaded rod 602 is rotatably installed on the control piston 603, the plunger top rod 606 is movably installed in the second liquid cylinder 605, the threaded hole 3 is formed in the middle position of positioning pillar 2, the threaded rod 602 is installed in positioning pillar 2 by threaded hole 3, the rotary pole 601 is fixedly installed on the upper end of threaded rod 602, the access hole is formed in the side wall of positioning base 5, the plunger top rod 606 is extended out of positioning base 5 by access hole.

[0023] Specifically, the threaded rod 602 can be controlled to move downward, and after the threaded rod 602 moves downward, the control piston 603 is driven to move downward, so that the hydraulic oil in the first liquid cylinder 604 is squeezed into the second liquid cylinder 605, the plunger top rod 606 is driven to move forward and abut against the inner wall of the pipeline, so that the entire device is quickly positioned at the flange 1 to be measured.

[0024] As shown in Figure 2 and Figure 4 The correction mechanism 7 includes a rotating connecting seat 701 rotatably installed on the positioning support 2, a positioning support arm 702 fixedly installed on the rotating connecting seat 701, a movable sliding groove 703 formed in the positioning support arm 702, a high-precision distance measuring sensor 704 movably installed in the movable sliding groove 703, a pigment tank 706 fixedly installed on one side of the high-precision distance measuring sensor 704, a pigment nozzle 708 arranged at the bottom of the pigment tank 706, a pump cover 705 arranged at the upper end of the pigment tank 706, and a conveying pipe of the pigment nozzle 708 connected to the pump cover 705, a fixing frame body 707 arranged on the pigment tank 706, the pigment tank 706 fixed to one side of the high-precision distance measuring sensor 704 through the fixing frame body 707, and a thread arranged at the upper end of the pigment tank 706, and the pump cover 705 is installed on the pigment tank 706 through the thread.

[0025] Specifically, after the high-precision distance measuring sensor 704 is turned on, the positioning support arm 702 can be rotated to rotate the high-precision distance measuring sensor 704 around the flange 1 to be measured, and measure the distance between the flange butt joint surface and the positioning support arm 702. When the distance between the flange butt joint surface and the positioning support arm 702 changes greatly, it indicates that the butt joint surface of the flange 1 to be measured is not flat, at this time, the pump cover 705 can be pressed, and the pigment is sprayed to the protrusions on the flange butt joint surface, which is convenient for workers to subsequently trim.

[0026] Working principle: when using, firstly, the butt joint surface of the flange is milled flat, then the positioning base 5 is inserted into the pipeline on the flange 1 to be measured, then the rotating rod 601 is rotated, since the first liquid cylinder 604 is communicated with the second liquid cylinder 605, the lower end of the threaded rod 602 is rotationally connected to the control piston 603, the upper end of the threaded rod 602 is fixedly installed on the rotating rod 601, thus, after the rotating rod 601 is rotated, the threaded rod 602 can be controlled to move downward, after the threaded rod 602 moves downward, it drives the control piston 603 to move downward, thus, the hydraulic oil in the first liquid cylinder 604 is extruded into the second liquid cylinder 605, the plunger top rod 606 moves forward and abuts against the inner wall of the pipeline, thus, the whole device is quickly positioned at the flange 1 to be measured, after the whole device is positioned at the flange 1 to be measured, whether the positioning arm 702 is horizontal is detected by the spirit level 4, then the high-precision distance measuring sensor 704 is turned on, after the high-precision distance measuring sensor 704 is turned on, the positioning arm 702 is rotated, so that the high-precision distance measuring sensor 704 rotates around the flange 1 to be measured, the distance between the flange butt joint surface and the positioning arm 702 is measured, when the distance between the flange butt joint surface and the positioning arm 702 changes greatly, it indicates that the butt joint surface of the flange 1 to be measured is not flat, at this time, the pump cover 705 is pressed, and the pigment is sprayed to the protrusions of the flange butt joint surface by the pigment spray head 708, so as to facilitate workers to subsequently trim.

[0027] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the claims.

Claims

1. An on-site plane milling level correction device, comprising a flange to be measured (1), a positioning base (5) provided in the flange to be measured (1), a positioning pillar (2) fixedly mounted on the positioning base (5), and a level bubble (4) fixedly mounted on the upper end of the positioning pillar (2), characterized in that: The positioning base (5) is provided with a positioning mechanism (6), the positioning mechanism (6) includes a first liquid cylinder (604) fixedly installed in the positioning base (5), a second liquid cylinder (605) is fixedly installed on the first liquid cylinder (604), a control piston (603) is movably installed in the first liquid cylinder (604), a threaded rod (602) is rotatably installed on the control piston (603), a plunger top rod (606) is movably installed in the second liquid cylinder (605), the positioning support (2) is provided with a correction mechanism (7), the correction mechanism (7) includes a rotary connecting seat (701) rotatably installed on the positioning support (2), a positioning support arm (702) is fixedly installed on the rotary connecting seat (701), a movable sliding groove (703) is formed in the positioning support arm (702), a high-precision distance measuring sensor (704) is movably installed in the movable sliding groove (703), a pigment tank (706) is fixedly installed on one side of the high-precision distance measuring sensor (704), a pigment nozzle (708) is arranged at the bottom of the pigment tank (706), a pump cover (705) is arranged at the upper end of the pigment tank (706), and the delivery pipe of the pigment nozzle (708) is connected to the pump cover (705).

2. A device for on-site planing of a horizontal correction according to claim 1, characterized in that: The threaded hole (3) is formed in the middle of the positioning support (2), the threaded rod (602) is installed in the positioning support (2) through the threaded hole (3), and the rotary rod (601) is fixedly installed on the upper end of the threaded rod (602).

3. A device for on-site planing level correction according to claim 2, characterized in that: The inlet and outlet holes are formed in the side wall of the positioning base (5), and the plunger top rod (606) extends out of the positioning base (5) through the inlet and outlet holes.

4. A device for on-site planing of a horizontal correction according to claim 3, characterized in that: The first liquid cylinder (604) is communicated with the second liquid cylinder (605), the lower end of the threaded rod (602) is rotatably connected to the control piston (603), and the upper end of the threaded rod (602) is fixedly installed on the rotary rod (601).

5. A device for on-site planing level correction according to claim 4, characterized in that: The pigment tank (706) is fixed on one side of the high-precision distance measuring sensor (704) through the fixing frame body (707).

6. A device for on-site planing level correction according to claim 1, characterized in that: The upper end of the pigment tank (706) is provided with threads, and the pump cover (705) is installed on the pigment tank (706) through threads.

7. A device for on-site planing level correction according to claim 1, characterized in that: The positioning support arm (702) is rotatably installed on the positioning support (2) through the rotary connecting seat (701), and the high-precision distance measuring sensor (704) is movably installed in the positioning support arm (702) through the movable sliding groove (703).

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