CN213068198U

CN213068198U - Centering gauge device and engine

Info

Publication number: CN213068198U
Application number: CN202021752410.9U
Authority: CN
Inventors: 徐萌
Original assignee: Shanghai Aifu Yiwei Testing Equipment Co ltd
Current assignee: Shanghai Aifu Yiwei Testing Equipment Co ltd
Priority date: 2020-08-20
Filing date: 2020-08-20
Publication date: 2021-04-27
Anticipated expiration: 2030-08-20

Abstract

The utility model provides a centering gauge device, include: the device comprises a base, a sliding shaft, a stop block, a hand wheel, a linear bearing, a butt joint plate positioning pin, a locking nut, a stop gasket and a stop ring, wherein the linear bearing is fixed on the base through a connecting piece, and the stop block is fixed on the base through a connecting piece; the sliding shaft is connected with the stop block, and the hand wheel is connected with the stop ring through a connecting piece; the butt plate locating pin passes the mounting hole on the base, and the butt plate locating pin passes through threaded connection with lock nut, improves the uniformity of centering rule through cooperation locking gasket. The utility model also provides an engine contains foretell centering rule device. The utility model discloses a centering rule device is fixed to the structure of butt joint plate locating pin, has solved traditional centering rule device in the past and has additionally provided the problem in butt joint place to reduce cost.

Description

Centering gauge device and engine

Technical Field

The utility model relates to an engine test field especially relates to a centering rule device and engine.

Background

The engine system is a tool for providing quick engine replacement during engine bench test, wherein the centering work is an important process for quickly replacing the engine by using the system, and the centering function mainly ensures that the flywheel end of the engine crankshaft and a main shaft of the bench dynamometer rotate at the same center, so that the safe, smooth and accurate implementation of the engine test work is ensured. The conventional centering gauge is a multi-dimensional adjustable structure, the centering gauge is freely connected by bolts and has no measures of loosening and preventing position movement, 1 trolley is ensured to correspond to 1 centering gauge in a 1-to-1 mode, and the centering of a plurality of engine trolleys by one centering gauge is difficult to realize.

Through search, patent document CN208805363U discloses a quick centering device for an engine, which includes an adjusting block movably mounted on a trolley frame, a centering gauge is disposed on the adjusting block, and a reference shaft is disposed on the upper portion of the centering gauge. The adjusting block is provided with a positioning hole and an adjusting hole, and the adjusting block is movably arranged on the trolley frame through the adjusting hole and a bolt. However, the prior art has the defects that the centering gauges cannot be realized for a plurality of engine trolleys, and no measures for preventing the position from moving are provided.

SUMMERY OF THE UTILITY MODEL

To the defect among the prior art, the utility model aims at providing a centering rule device, include: a base, a sliding shaft, a stop block, a hand wheel, a linear bearing, a butt plate positioning pin, a locking nut, a stop washer and a stop ring,

the linear bearing is fixed on the base through a connecting piece, and the stop block is fixed on the base through a connecting piece; the sliding shaft is connected with the stop block, and the hand wheel is connected with the stop ring through a connecting piece; the butt plate locating pin passes the mounting hole on the base, and the butt plate locating pin passes through threaded connection with lock nut, improves the uniformity of centering rule through cooperation locking gasket.

Preferably, the hand wheel device further comprises a flywheel and a front side retaining ring, wherein the flywheel is connected with the front side retaining ring, and the flywheel is connected with the hand wheel through a rotating shaft.

Preferably, the butt plate locating pin is matched with a butt plate pin joint on the engine trolley, the flywheel is installed on the engine crankshaft through a connecting piece, and the excircle of the sliding shaft is matched with the spigot of the flywheel.

Preferably, the connecting bolt is in threaded connection with a threaded hole of the engine trolley butt plate, the locking cap is in threaded connection with the connecting bolt, and the locking screw is in threaded connection with the locking cap.

Preferably, the outer edge of the disc on the sliding shaft is rotationally centered in the flywheel spigot by turning the hand wheel.

Preferably, a plurality of circular holes are provided on the outer surface of the flywheel and are uniformly arranged on the outer surface of the flywheel.

Preferably, the butt plate positioning pins are symmetrically arranged by taking the base as a central axis.

Preferably, a grab handle is arranged on the hand wheel, the hand wheel is designed in a hollow mode, and an anti-skid device is arranged on the hand wheel.

Preferably, the area of the hand wheel is not greater than the area of the flywheel.

According to the utility model provides an engine contains foretell arbitrary centering gauge device.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a centering rule is fixed to the structure that sets up the butt joint board locating pin, has solved traditional centering rule device in the past and has additionally provided the problem in butt joint place to reduce cost.

2. The utility model discloses a structure of butt joint plate locating pin, lock nut and locking gasket fixes a position to detection method through the 3 coordinates comes to compare with the data in the 3D model, reaches high uniformity, has solved the inconsistent problem of centering precision in the past.

3. The utility model discloses a locking cap and locking screw device prevent to move to the position of centering rule device, have improved the centering precision.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic side view of the present invention;

fig. 2 is a schematic top view of the present invention;

fig. 3 is a schematic front view of the present invention;

fig. 4 is a schematic view of the back structure of the present invention.

In the figure:

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.

As shown in fig. 1, 2, 3 and 4, the present invention comprises a base 1, a sliding shaft 2, a stopper 3, a hand wheel 4, a first screw 5, a second screw 6, a linear bearing 7, a locking screw 8, a butt plate positioning pin 9, a locking nut 10, a stop washer 11, a flywheel 12, a front side retainer ring 13, a retainer ring 14, a connecting bolt 15, a locking cap 16 and a locking screw 17,

wherein, linear bearing 7 passes through second screw 6 to be fixed on base 1, and dog 3 passes through first screw 5 to be fixed on base 1, and hand wheel 4 couples together through locking screw 8 with fender ring 14, and butt plate locating pin 9 passes the mounting hole of base 1, and butt plate locating pin 9 passes through threaded connection with lock nut 10 to cooperation locking gasket 11 reaches this device and can dismantle at will and can satisfy the problem that prevents lock nut 10 and butt plate locating pin 9 after the installation not hard up.

The working principle is as follows:

when the centering gauge device is centered, the butt plate positioning pin 9 is matched with a butt plate female pin head on an engine trolley, the flywheel 12 is installed on an engine crankshaft through a bolt at the moment, and the excircle of the sliding shaft 2 is matched with the spigot of the flywheel 12. At this time, the connecting bolt 15 is screwed into the female screw hole of the engine dolly butt plate. The connecting bolt 15 is locked by the locking bristles 16, and after this process is completed, the locking cap 16 is prevented from loosening by the locking screw 17.

After the centering gauge device is installed, the hand wheel 4 is rotated, so that the outer edge of the disc on the sliding shaft 2 rotates in the spigot of the flywheel 12 to determine whether the centering requirement is met.

The utility model discloses aVariation exampleFor further explanation.

Based on the basic embodiment, the hand wheel 4 is provided with the anti-skid leather sheath or the anti-skid rubber sheath, so that the control of the hand wheel 4 can be enhanced.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.

Claims

1. A centering guide device, comprising: a base (1), a sliding shaft (2), a stop block (3), a hand wheel (4), a linear bearing (7), a butt plate positioning pin (9), a locking nut (10), a stop washer (11) and a stop ring (14),

the linear bearing (7) is fixed on the base (1) through a connecting piece, and the stop block (3) is fixed on the base (1) through a connecting piece;

the sliding shaft (2) is connected with the stop block (3), and the hand wheel (4) is connected with the stop ring (14) through a connecting piece;

the butt joint plate positioning pin (9) penetrates through a mounting hole in the base (1), the butt joint plate positioning pin (9) is in threaded connection with the locking nut (10), and the consistency of the centering gauge is improved through the matching of a stop gasket (11).

2. The centering gauge device as claimed in claim 1, further comprising a flywheel (12) and a front side retaining ring (13), wherein the flywheel (12) is connected with the front side retaining ring (13), and the flywheel (12) is connected with the hand wheel (4) through a rotating shaft.

3. A centering guide device according to claim 2, characterized in that the butt plate pin (9) is fitted with a butt plate pin head on the engine trolley, the flywheel (12) is mounted on the engine crankshaft by means of a connecting piece, and the outer circle of the sliding shaft (2) is fitted with the spigot of the flywheel (12).

4. A centering guide device according to claim 3, characterized in that the connecting bolt (15) is in threaded connection with a threaded hole of the engine trolley butt plate, the locking cap (16) is in threaded connection with the connecting bolt (15), and the locking screw (17) is in threaded connection with the locking cap (16).

5. A centering guide device according to claim 2, characterized in that the outer edge of the disc on the sliding shaft (2) is centered in the flywheel (12) spigot by turning the hand wheel (4).

6. A centering gauge arrangement according to claim 2, characterized in that the flywheel (12) is provided with a plurality of circular holes on its outer surface, and is evenly arranged on the outer surface of the flywheel (12).

7. A centering guide device according to claim 1, characterized in that the butt plate alignment pins (9) are arranged symmetrically with respect to the base (1) as a central axis.

8. The centering gauge device as claimed in claim 1, wherein a handle is arranged on the hand wheel (4), the hand wheel (4) is designed in a hollow manner, and an anti-skid device is arranged on the hand wheel (4).

9. A centering guide device according to claim 2, characterized in that the area of the hand wheel (4) is not greater than the area of the flywheel (12).

10. An engine comprising a centering guide apparatus as claimed in any one of claims 1 to 9.