CN212763011U - Workpiece clamp for concentricity detection - Google Patents

Workpiece clamp for concentricity detection Download PDF

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Publication number
CN212763011U
CN212763011U CN202021088626.XU CN202021088626U CN212763011U CN 212763011 U CN212763011 U CN 212763011U CN 202021088626 U CN202021088626 U CN 202021088626U CN 212763011 U CN212763011 U CN 212763011U
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China
Prior art keywords
support
rotating shaft
rod
shell
gear
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CN202021088626.XU
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Chinese (zh)
Inventor
苗振强
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Tianjin Zhenghang Technology Co ltd
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Tianjin Zhenghang Technology Co ltd
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Priority to CN202021088626.XU priority Critical patent/CN212763011U/en
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Abstract

The utility model discloses a workpiece fixture for concentricity detection, which comprises a driving part and a clamping part, a middle support at the upper end of a base, wherein one side of the support is connected with a motor and a battery for driving a first rotating shaft to rotate, because a second gear on two second rotating shafts is engaged with a first gear on the first rotating shaft, the first rotating shaft drives the second rotating shaft to rotate, thereby driving a roller on the side surface of the second rotating shaft to rotate, the upper end of the support is connected with a support rod, the support rod is connected with a slide block in a sliding way, the slide block can be kept fixed with the support rod through a screw, the lower end of the slide block is connected with a pressing device, the lower end of the pressing device is horizontally connected with two extrusion rollers through the rotating shaft, the lower extrusion rod is positioned above the two rollers and is on a perpendicular bisector of a connecting line of the two rollers, a switch with the motor is connected with the outer surface, and the sliding seat is connected with a supporting rod for supporting a longer tested piece.

Description

Workpiece clamp for concentricity detection
Technical Field
The utility model relates to a work piece holder specifically is a concentricity detects uses work piece holder.
Background
The concentricity detector is used for the concentricity work (also called pair wheel alignment) of two shafts of various rotating equipment such as a centrifugal pump, a compressor, a fan, a generator and the like. The device has the characteristics of reasonable structure, high precision, small error, wide application range, convenient use and maintenance and the like, is an ideal special measuring tool, and can be widely used in the mechanical industries of petrifaction, power generation, papermaking, textile and the like.
The design of current concentricity detector is mostly set up two driving shafts in the lower extreme of being surveyed the work piece in order to ask to drive the work piece rotatory, but nevertheless because of the distance between two driving shafts is fixed, same instrument if meet the external diameter of being surveyed too big or when being too little, then can appear the condition that anchor clamps can not firmly be fixed by the work piece of being surveyed, inconvenient measurement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a concentricity detects and uses work piece holder to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a workpiece clamp for concentricity detection comprises a driving part and a clamping part, wherein a support is arranged in the middle of the upper end of a base, one end of a shell is connected to one side of the support, the other end of the shell is connected to the edge on the left side of the base, a supporting plate is arranged in the shell, the upper end of the supporting plate is connected with the shell, the lower end of the supporting plate is connected with the upper surface of the base, a battery is connected onto the base between the supporting plate and the side wall of the shell, a motor is arranged above the battery and connected onto a partition plate in the middle of the shell, an output shaft of the motor penetrates through the supporting plate and is fixedly connected with one end of a first rotating shaft, the other end of the first rotating shaft is rotatably connected with the support, a first gear is connected onto the side surface of the first rotating shaft between the supporting plate and the support, two second rotating shafts are symmetrically and horizontally connected onto the, the other end of the second rotating shaft penetrates through the support and is rotatably connected to the support plate, the side surface of the second rotating shaft between the support plate and the support is connected with a second gear, the second gears on the two second rotating shafts are both meshed with the first gear, the other end of the second rotating shaft is provided with a threaded hole and is connected with a limiting screw, the side surface of the second rotating shaft between the limiting screw and a limiting block on the second rotating shaft is connected with a roller, the upper end of the support is connected with a support rod, the support rod is connected with a slide block in a sliding way, the slide block can be fixedly held with the support rod through a screw, the lower end of the slide block is connected with an upper extrusion rod, the upper extrusion rod is provided with a through hole from bottom to top and is connected with the upper end of a lower extrusion rod in a sliding way, a first spring is connected between the, the lower extrusion rod is positioned above the two rollers and on a perpendicular bisector of a connecting line of the two rollers, a switch with a motor is connected to the outer surface of the shell, and the battery, the motor and the switch are electrically connected.
As a further aspect of the present invention: the gear is connected with the rotating shaft through key assembly and is limited through the limiting sleeve.
As a further aspect of the present invention: the rotating shaft is rotatably connected with the support and the supporting plate through bearings.
As a further aspect of the present invention: the side surface of the roller is connected with a layer of non-slip mat.
As a further aspect of the present invention: there are different outer diameter drum types for fitting on the second shaft.
As a further aspect of the present invention: the slide rail that its axis is perpendicular and the support side is connected to recess and recess in seted up the right side of base, and sliding connection has the slide on the slide rail, the first support of fixed connection on the slide, and the axis of rotation is crossed to the upper end both sides of first support and is rotated and be connected with the second support, and the upper end of second support is passed through the axis of rotation and is rotated the connection supporting wheel, and is connected with the second spring between two second supports.
As a further aspect of the present invention: the axes of the first bracket, the supporting rod and the midperpendicular of the connecting line of the two rollers are positioned in the same plane which is vertical to the right side surface of the support.
Compared with the prior art, the beneficial effects of the utility model are that: the roller can be selected according to the diameter of the detected piece, so that the detected piece can be kept stable in motion on the clamp, meanwhile, two extrusion rollers at the lower end of the pressing device also give a vertical downward force to the detected piece, so that the detected piece is more stable, and meanwhile, the supporting rod with the adjustable distance is arranged and used for supporting the relatively long detected piece.
Drawings
Fig. 1 is a schematic structural view of a workpiece holder for concentricity detection.
Fig. 2 is a front view of a workpiece holder for concentricity detection.
FIG. 3 is a partial side view of a workpiece holder for concentricity detection.
Fig. 4 is a schematic structural view of a first support and a second support in a workpiece holder for concentricity detection.
As shown in the figure: 1. a base; 2. a battery; 3. a housing; 4. a motor; 5. a support plate; 6. a limiting sleeve; 7. a first gear; 8. a bearing; 9. a support; 10. a support bar; 11. a slider; 12. a first spring; 13. an upper extrusion stem; 14. A lower extrusion stem; 15. extruding the roller; 16. a non-slip mat; 17. a drum; 18. a limit screw; 19. a support wheel; 20. a second bracket; 21. a first bracket; 22. a slide base; 23. a slide rail; 24. a second rotating shaft; 25. a first rotating shaft; 26. a second gear; 27. a switch; 28. a second spring;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.
Referring to fig. 1-4, in the embodiment of the present invention, a workpiece fixture for concentricity detection includes a driving part and a clamping part, a support 9 is located in the middle of the upper end of a base 1, there is a case 3 with one end connected to one side of the support 9 and the other end connected to the left edge of the base 1, there is a supporting plate 5 located in the case 3 and the upper end of the supporting plate 5 connected to the case 3, the lower end connected to the upper surface of the base 1, a battery 2 is connected to the base 1 between the supporting plate 5 and the sidewall of the case 3, a motor 4 is located above the battery 2 and connected to a partition plate in the middle of the case 3, the output shaft of the motor 4 passes through the supporting plate 5 and is fixedly connected to one end of a first rotating shaft 25, the other end of the first rotating shaft 25 is rotatably connected to the support 9, and the side of the first rotating shaft 25 located between the supporting plate 5 and the support 9, two second rotating shafts 24 are symmetrically and horizontally connected on a support 9 and a support plate 5 by taking a first rotating shaft 25 as an axis, one end of each second rotating shaft 24 is rotatably connected on the support 9, the other end of each second rotating shaft 24 penetrates through the support 9 and is rotatably connected on the support plate 5, a second gear 26 is connected on the side surface of each second rotating shaft 24 positioned between the support plate 5 and the support 9, the second gears 26 positioned on the two second rotating shafts 24 are both meshed with the first gear 7, the other end of each second rotating shaft 24 is provided with a threaded hole and is connected with a limit screw 18, a roller 17 is connected on the side surface of each second rotating shaft 24 positioned between the limit screw 18 and a limit block on the second rotating shaft 24, a support rod 10 is connected at the upper end of the support 9, a sliding block 11 is slidably connected on the support rod 10, the sliding block 11 can be kept fixed with the support rod 10 through a, go up the stripper bar 13 from bottom to top seted up the through-hole and with the upper end sliding connection of stripper bar 14 down, sliding connection has first spring 12 between the upper end of stripper bar 14 down and the upper surface of through-hole, the lower extreme of stripper bar 14 has two squeeze rolls 15 through axis of rotation horizontally connect, stripper bar 14 is located two cylinders 17 tops and is on the perpendicular bisector that is two cylinders 17 lines down, the switch 27 that has motor 4 connects the surface at casing 3, battery 2, electric connection between motor 4 and the switch 27.
The gear and the rotating shaft are connected in an assembling mode through keys and are limited through the limiting sleeve 6.
The rotating shaft is rotatably connected with the support 9 and the supporting plate 5 through bearings 8.
A layer of non-slip mat 16 is connected to the side surface of the roller 17.
The types of rollers 17 presenting different outer diameters are intended to be fitted on the second shaft 24.
Base 1's right side is seted up the slide rail 23 that recess and recess in-connection have its axis perpendicular and support 9 side, sliding connection has slide 22 on slide rail 23, the first support 21 of fixed connection on slide 22, the axis of rotation is crossed to the upper end both sides of first support 21 and is connected with second support 20, and the upper end of second support 20 is passed through the axis of rotation and is rotated and connect supporting wheel 19, and is connected with second spring 28 between two second supports 20.
The axes of the first bracket 21, the axis of the support bar 10 and the perpendicular bisector of the line connecting the two rollers 17 lie in the same plane, which is perpendicular to the right side of the support 9.
The utility model discloses a theory of operation is: according to the diameter of the measured piece, a proper roller 17 is selected to be connected to one end of a second rotating shaft 24, if the measured piece is long, an adjusting sliding seat 22 reaches a proper position and is used for supporting the measured piece, the measured piece is placed at the upper end of the roller 17, an adjusting sliding block 11 descends to enable an extrusion roller 15 to extrude the upper end of the measured piece, at the moment, the adjusting screw enables the sliding block 11 to be fixed on a supporting rod 10, a switch 27 of a motor 4 is turned on, the roller 17 rotates slowly, and therefore the measured piece is driven to rotate, and measurement is facilitated.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims (7)

1. A workpiece clamp for concentricity detection is characterized by comprising a driving part and a clamping part, wherein a support (9) is arranged in the middle of the upper end of a base (1), one end of a shell (3) is connected to one side of the support (9), the other end of the shell is connected to the edge on the left side of the base (1), a supporting plate (5) is arranged in the shell (3), the upper end of the supporting plate (5) is connected with the shell (3), the lower end of the supporting plate is connected with the upper surface of the base (1), a battery (2) is connected to the base (1) between the supporting plate (5) and the side wall of the shell (3), a motor (4) is arranged above the battery (2) and connected to a partition plate in the middle of the shell (3), an output shaft of the motor (4) penetrates through the supporting plate (5) and is fixedly connected with one end of a first rotating shaft (25), the other end of the first rotating shaft, and the side of the first rotating shaft (25) between the support plate (5) and the support seat (9) is connected with a first gear (7), at the lower end of the first rotating shaft (25), two second rotating shafts (24) are symmetrically and horizontally connected on the support seat (9) and the support plate (5) by taking the first rotating shaft (25) as an axis, one end of each second rotating shaft (24) is rotatably connected on the support seat (9), the other end of each second rotating shaft (24) penetrates through the support seat (9) to be rotatably connected on the support plate (5), the side of the second rotating shaft (24) between the support plate (5) and the support seat (9) is connected with a second gear (26), the second gears (26) on the two second rotating shafts (24) are respectively meshed with the first gear (7), the other end of each second rotating shaft (24) is provided with a threaded hole and connected with a limit screw (18), and a roller is connected on the side of the second rotating shaft (24) between the limit blocks on the limit screw (18) and the second rotating shafts (24) (17) The upper end of the support (9) is connected with a support rod (10), the support rod (10) is connected with a slide block (11) in a sliding way, the slide block (11) can be kept fixed with the support rod (10) through a screw, the lower end of the slide block (11) is connected with an upper extrusion rod (13), the upper extrusion rod (13) is provided with a through hole from bottom to top and is connected with the upper end of a lower extrusion rod (14) in a sliding way, have first spring (12) between the upper end of lower squeeze bar (14) and the upper surface of through-hole sliding connection, the lower extreme of lower squeeze bar (14) has two extrusion gyro wheels (15) through axis of rotation horizontally connect, lower squeeze bar (14) are located two cylinder (17) tops and are on the perpendicular bisector of two cylinder (17) lines, switch (27) that have motor (4) are connected at the surface of casing (3), battery (2), electric connection between motor (4) and switch (27).
2. A concentricity testing workpiece holder as claimed in claim 1, wherein the gear is keyed to the shaft and is restrained by a restraining sleeve (6).
3. A concentricity testing workpiece holder as claimed in claim 1, wherein the shaft is rotatably connected to the holder (9) and the support plate (5) by means of bearings (8).
4. A concentricity testing tool holder as claimed in claim 1, wherein the roller (17) has a layer of non-slip mat (16) attached to its side.
5. A concentricity testing tool holder as claimed in claim 1, wherein there are different types of rollers (17) of different outer diameters for fitting on the second shaft (24).
6. The workpiece clamp for concentricity detection according to claim 1, wherein a groove is formed in the right side of the base (1), a slide rail (23) with the axis vertical to the side surface of the support (9) is connected in the groove, a slide seat (22) is connected on the slide rail (23) in a sliding manner, a first support (21) is fixedly connected on the slide seat (22), a second support (20) is connected on two sides of the upper end of the first support (21) in a sliding manner through a rotating shaft, the upper end of the second support (20) is connected with the support wheel (19) in a rotating manner through a rotating shaft, and a second spring (28) is connected between the two second supports (20).
7. A concentricity testing workpiece holder as claimed in claim 1, wherein the axes of the first support (21), the support rod (10) and the perpendicular bisector of the line joining the two rollers (17) lie in the same plane, which is perpendicular to the right side of the support (9).
CN202021088626.XU 2020-06-14 2020-06-14 Workpiece clamp for concentricity detection Active CN212763011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021088626.XU CN212763011U (en) 2020-06-14 2020-06-14 Workpiece clamp for concentricity detection

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021088626.XU CN212763011U (en) 2020-06-14 2020-06-14 Workpiece clamp for concentricity detection

Publications (1)

Publication Number Publication Date
CN212763011U true CN212763011U (en) 2021-03-23

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CN202021088626.XU Active CN212763011U (en) 2020-06-14 2020-06-14 Workpiece clamp for concentricity detection

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CN (1) CN212763011U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116336998A (en) * 2023-05-31 2023-06-27 山东赛马力发电设备有限公司 Concentricity detection device for generator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116336998A (en) * 2023-05-31 2023-06-27 山东赛马力发电设备有限公司 Concentricity detection device for generator
CN116336998B (en) * 2023-05-31 2023-08-04 山东赛马力发电设备有限公司 Concentricity detection device for generator

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