CN217738154U

CN217738154U - Coaxiality detection device for upper bearing hole and lower bearing hole of box body

Info

Publication number: CN217738154U
Application number: CN202221972913.6U
Authority: CN
Inventors: 张长练; 朱桐清; 杨庆雄
Original assignee: Chongqing Jiangjin Hefeng Machinery Co ltd
Current assignee: Chongqing Jiangjin Hefeng Machinery Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2022-11-04
Anticipated expiration: 2032-07-28

Abstract

The utility model provides a coaxiality detection device for upper and lower bearing holes of a box body, which comprises an upper box body and a lower box body, wherein the upper box body is provided with an upper bearing hole, the lower box body is provided with a lower bearing hole, the coaxiality detection device comprises a first positioning mechanism, the first positioning mechanism comprises two positioning balls which are arranged at intervals, and the two positioning balls are used for stretching into the upper bearing hole to be positioned with the inner wall of the upper bearing hole in a cutting way; the second positioning mechanism is rotationally connected with the two positioning balls and is used for being in sliding butt with the upper end face of the upper box body to adjust the positions of the two positioning balls in the upper bearing hole; and the detection mechanism is connected with the second positioning mechanism and is used for extending into the lower bearing hole and rotating for a circle along the inner surface of the lower bearing hole to detect the coaxiality. The utility model discloses can carry out short-term test, and easy operation easily the top-hand to the dead eye at box both ends, required appurtenance is few.

Description

Coaxiality detection device for upper bearing hole and lower bearing hole of box body

Technical Field

The utility model relates to a speed reducer detects technical field, especially relates to a be used for box upper and lower dead eye axiality detection device.

Background

The speed reducer is usually used as a driving element to be connected with various working machines to obtain a speed reduction transmission device, and the speed reducer has high precision requirements, so that the coaxiality of parts of the speed reducer needs to be detected before assembly. Wherein, when the axiality of box detected nonconforming the requirement, just need restore it, then carry out the axiality again and detect until reaching the requirement, this process probably need relapse to transport the box to or transport out the workshop, can waste a large amount of time and manpower and materials, leads to inefficiency.

In order to solve the technical problem, chinese patent (patent publication No. CN 212205964U) discloses a device for repairing and detecting the coaxiality of bearing holes of a box body.

Although above-mentioned technical scheme has solved and has carried the box repeatedly and has repaired and the problem that the axiality detected can reduce efficiency, but among the device, to the detection operation of box axiality complicated, the step is various, need open a plurality of electronic components in proper order, after sliding positioning in proper order again, judge through the numerical value of reading two inductance tables whether to repair successfully, whole process is consuming time more, can reduce work efficiency.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a be used for box upper and lower dead eye axiality detection device can carry out short-term test, and easy operation easily the top of the staff to the dead eye at box both ends.

According to the embodiment of the utility model, a be used for box upper and lower dead eye axiality detection device, the box includes upper box and lower box, and the upper box is equipped with the upper dead eye, and the lower box is equipped with the lower dead eye, including first positioning mechanism, first positioning mechanism includes two location balls of interval arrangement, and two location balls are used for stretching into the upper dead eye and come to cut the location with upper dead eye inner wall homogeneous phase; the second positioning mechanism is rotationally connected with the two positioning balls and is used for being in sliding butt with the upper end face of the upper box body to adjust the positions of the two positioning balls in the upper bearing hole; and the detection mechanism is connected with the second positioning mechanism and is used for extending into the lower bearing hole and rotating for a circle along the inner surface of the lower bearing hole to detect the coaxiality.

The technical principle of the utility model is that: and the second positioning mechanism is in sliding fit with the upper end face of the upper box body, so that the upper box body end face is always used as a reference face for detection, the two positioning balls are further driven to slide and tangent along the inner surface of the upper bearing hole, the detection mechanism is driven to slide along the inner surface of the lower bearing hole, and at the moment, the difference of the numerical values measured by the detection mechanism at two symmetrical positions on the lower bearing hole is the coaxiality value of the two box body bearing holes.

Preferably, the second positioning mechanism comprises a sliding block, two first positioning holes are symmetrically formed in one end, close to the upper bearing hole, of the sliding block, a screw rod is connected to each first positioning hole in a threaded mode, a nut is connected to each end of the screw rod in a threaded mode after the screw rod penetrates out of the sliding block upwards, and the other end of the screw rod is connected with the positioning balls in a one-to-one correspondence mode after the screw rod penetrates out of the sliding block downwards.

Through adopting above-mentioned technical scheme, utilize the slider to assemble the location ball, the position of the quick travel slider of being convenient for detects, and easy operation, convenient loading and unloading.

Preferably, detection mechanism includes the percentage table, and the percentage table passes through adjustment mechanism to be connected with second positioning mechanism, and adjustment mechanism is used for rotating the sense terminal of adjusting the percentage table and holds the downthehole wall butt down.

Through adopting above-mentioned technical scheme, this device only uses a percentage table to detect the axiality of upper and lower box, can reduce cost, and the reading is directly perceived, accurate, and the error is little.

Preferably, the adjusting mechanism comprises a first connecting rod vertically connected with the second positioning mechanism and a second connecting rod obliquely connected with the first connecting rod, the first connecting rod is connected with the second connecting rod in a sliding mode through a first connecting piece, and the second connecting rod is connected with the dial indicator in a sliding mode through a second connecting piece.

Through adopting above-mentioned technical scheme, head rod and second connecting rod set up and are used for connecting first positioning mechanism and detection mechanism between two upper and lower boxes, can assist detection mechanism to carry out subsequent rotation measurement work to only need change the length of first connecting rod, just can make this device can be applicable to the box that the interval is different and use.

Preferably, the first connecting piece and the second connecting piece are the same in structure; the first connecting piece comprises a first rotating joint, the first rotating joint is connected with the first connecting rod and the second connecting rod in a sliding mode, and a locking bolt is arranged on the first rotating joint.

Through adopting above-mentioned technical scheme, head rod and second connecting rod can adjust the length distance and the inclination of percentage table under the effect of first adapter and second adapter, make its test end can laminate down the dead eye internal surface and slide and measure.

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

when the second positioning mechanism slides on the upper end surface of the upper box body to drive the two positioning balls to slide along the inner surface of the upper bearing hole for tangential positioning, the second positioning mechanism drives the detection end of the detection mechanism to abut against and slide along the inner surface of the lower bearing hole for measurement, the whole process is equivalent to taking the upper end surface of the upper box body as a reference surface for testing, and then the coaxiality between the upper box body and the lower box body can be obtained by subtracting the measured maximum value and the measured minimum value through synchronously moving the detection mechanism; the whole testing process is simple to operate, strong in practicability, free of limitation requirements on time, places and the like, and easy to operate.

Drawings

FIG. 1 is a schematic structural diagram of one embodiment of the present invention;

fig. 2 is an enlarged schematic structural diagram of a point a according to one embodiment of the present invention;

fig. 3 is a schematic bottom view of a position a according to one embodiment of the present invention;

fig. 4 is a schematic structural diagram of another embodiment of the present invention.

In the above drawings: the device comprises an upper box body 1, a lower box body 2, a positioning ball 3, a sliding block 4, a dial indicator 5, a vertical connecting rod 6, a first rotating joint 7, an inclined connecting rod 8, an upper bearing hole 9 and a lower bearing hole 10.

Detailed Description

The technical solution of the present invention is further explained with reference to the drawings and the embodiments.

As shown in fig. 1 to 4, the device for detecting the coaxiality of the upper bearing hole and the lower bearing hole of the box body comprises an upper box body 1 and a lower box body 2, wherein the upper box body 1 is provided with an upper bearing hole 9, the lower box body 2 is provided with a lower bearing hole 10 and comprises a first positioning mechanism, the first positioning mechanism comprises two positioning balls 3 which are arranged at intervals, and the two positioning balls 3 are used for extending into the upper bearing hole 9 to be tangential and positioned with the inner wall of the upper bearing hole 9; the second positioning mechanism is rotationally connected with the two positioning balls 3 and is used for being in sliding butt with the upper end face of the upper box body 1 to adjust the positions of the two positioning balls 3 in the upper bearing hole 9; the detection mechanism is connected with the second positioning mechanism and is used for extending into the lower bearing hole 10 and rotating for a circle along the inner surface of the lower bearing hole 10 to detect the coaxiality; the utility model discloses an in one of them embodiment, set up upper bearing hole 9 and lower bearing hole 10 and all set up in box center department, slide second positioning mechanism along the up end of last box 1 and be circular motion during the test, ensure simultaneously that two location balls 3 all keep the tangent state of sliding with the internal surface of upper bearing hole 9, so when second positioning mechanism and location ball 3 are circular motion, the device is whole will be above the up end of box 1 as the reference surface, the butt slip is done along lower bearing hole 10 internal surface middle part to the sense terminal that drives detection mechanism, carry out the numerical reading to a plurality of sites that detection mechanism passed through when circular motion, wherein the difference between maximum value and minimum is exactly upper, lower box 2's axiality.

The utility model discloses an in another embodiment, the dead eye of two upper and lower boxes is not located the center department of box on the assumption, this moment, because the technical scheme that this device used does not receive the restriction of central point, and the up end that only needs above box 1 is the reference surface, closely laminate first positioning mechanism along last box 1 terminal surface and be circular motion, drive two location balls 3 simultaneously and correspond the tangential slip of dead eye, it detects a plurality of sites to drive detection mechanism to be circular motion, so obtain the principle of upper and lower box 2's axiality through the difference of maximum value and minimum, still be feasible. In addition, the device does not need to be used for detecting data of machine tools such as a vertical lathe, a boring machine and the like, so that the cost is reduced, and the working efficiency is correspondingly improved.

The second positioning mechanism comprises a sliding block 4, two first positioning holes are symmetrically formed in one end, close to the upper bearing hole 9, of the sliding block 4, a screw rod is connected to each first positioning hole in a threaded mode, one end of the screw rod is connected with a nut in a threaded mode after the sliding block 4 is upwards worn out, and the other end of the screw rod is connected with the positioning balls 3 in a one-to-one mode after the sliding block 4 is downwards worn out. The utility model discloses an in one of them embodiment, set up locating ball 3 itself and set up the opening with screw rod threaded connection, the mode fixed position ball 3 through screw rod and nut is in last dead eye 9 position and height, can make locating ball 3 synchronous stable be circular motion along the dead eye tangency to, can further inject slider 4 for the semicircle form, make it can cover part dead eye.

The detection mechanism comprises a dial indicator 5, the dial indicator 5 is connected with the second positioning mechanism through an adjusting mechanism, and the adjusting mechanism is used for rotatably adjusting the detection end of the dial indicator 5 to be abutted against the inner wall of the lower bearing hole 10; the utility model discloses an in one of them embodiment, be connected percentage table 5 and second positioning mechanism to come to adjust the test end position and the angle of percentage table 5 through adjustment mechanism, can drive location ball 3 at second positioning mechanism and be circular motion, the measuring value is surveyed along the sliding of lower dead eye 10 internal surface to the sense terminal that drives percentage table 5 in step, and the accuracy nature that the increase unit detected.

The adjusting mechanism comprises a first connecting rod 6 vertically connected with the second positioning mechanism and a second connecting rod 8 obliquely connected with the first connecting rod 6, the first connecting rod 6 is connected with the second connecting rod 8 in a sliding mode through a first connecting piece, and the second connecting rod 8 is connected with the dial indicator 5 in a sliding mode through a second connecting piece; the utility model discloses an in one of them embodiment, the last slope one end that sets up second connecting rod 8 is connected with the second adapter, and the decline of second connecting rod 8 one end is connected with percentage table 5 to through the 6 length of head rod that change chooseed for use, just can adjust the high position of percentage table 5, make the device can detect the axiality of the adjacent upper and lower dead eye between the wide-spacing.

The first connecting piece and the second connecting piece have the same structure; the first connecting piece comprises a first rotating joint 7, the first rotating joint 7 is in sliding connection with the first connecting rod 6 and the second connecting rod 8, and a locking bolt is arranged on the first rotating joint 7; in one embodiment of the present invention, the angle and position of the second connecting rod 8 can be changed by the second adapter, so that the testing end of the dial indicator 5 can be located in the middle of the inner surface of the lower bearing hole 10, which is convenient for adjusting the inclination angle of the dial indicator 5, increases the application range of the device, and enhances the testing accuracy of the dial indicator 5; wherein, specific structure about first adapter 7 and second adapter can be defined as having seted up two connecting holes on first adapter 7, and one of them connecting hole is used for sliding to wear to establish head rod 6, and another one connecting hole is used for sliding to wear to establish second connecting rod 8 to still be provided with the fixed orifices that supplies the locking bolt to remove, fix the relative position of head rod 6 and second connecting rod 8 with this, and the specific structure of second adapter sets up on the same principle.

The implementation principle of the embodiment of the application is as follows: when the dial indicator is used, the sliding block 4 is held by hand, the bottom of the sliding block is tightly attached to the upper end face of the upper box body 1, the two positioning balls 3 are tangent to the inner wall of the upper bearing hole 9, then the length and the deflection angle of the first connecting rod 6 and the second connecting rod 8 are adjusted, the pointer of the dial indicator 5 can be attached to the middle part of the inner wall of the lower bearing hole 10, and then the sliding block 4 is moved along the circumferential direction of the upper box body 1; when the sliding block 4 moves, the bottom of the sliding block is always kept to be tightly attached to the upper end face of the upper box body 1, the two positioning balls 3 are always tangent to the inner wall of the upper bearing hole 9, then numerical values are respectively read from a plurality of point positions where the dial indicator 5 passes through, and the difference of the measured numerical values on the two symmetrical point positions is the coaxiality between the upper bearing hole and the lower bearing hole.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a be used for box upper and lower dead eye axiality detection device, the box includes box (1) and lower box (2), it is equipped with upper bearing hole (9) to go up box (1), and lower box (2) are equipped with down dead eye (10), its characterized in that includes:

the first positioning mechanism comprises two positioning balls (3) which are arranged at intervals, and the two positioning balls (3) are used for extending into the upper bearing hole (9) to be tangential and positioned with the inner wall of the upper bearing hole (9);

the second positioning mechanism is rotationally connected with the two positioning balls (3) and is used for sliding and abutting against the upper end surface of the upper box body (1) to adjust the positions of the two positioning balls (3) in the upper bearing hole (9);

and the detection mechanism is connected with the second positioning mechanism and is used for extending into the lower bearing hole (10) and rotating for a circle along the inner surface of the lower bearing hole (10) to detect the coaxiality.

2. The coaxiality detection device for the upper bearing hole and the lower bearing hole of the box body as claimed in claim 1, wherein: the second positioning mechanism comprises a sliding block (4), two first positioning holes are symmetrically formed in one end, close to the upper bearing hole (9), of the sliding block (4), a screw rod is connected to the inner portion of each first positioning hole in a threaded mode, a nut is connected to one end of the screw rod in a threaded mode after the screw rod penetrates out of the sliding block (4), and the other end of the screw rod is connected with the positioning balls (3) in a one-to-one mode after the screw rod penetrates out of the sliding block (4) downwards.

3. The coaxiality detection device for the upper bearing hole and the lower bearing hole of the box body as claimed in claim 1, wherein: the detection mechanism comprises a dial indicator (5), the dial indicator (5) is connected with the second positioning mechanism through an adjusting mechanism, and the adjusting mechanism is used for rotating the detection end of the dial indicator (5) to be abutted against the inner wall of the lower bearing hole (10).

4. The device for detecting the coaxiality of the upper bearing hole and the lower bearing hole of the box body as claimed in claim 3, wherein: the adjusting mechanism comprises a first connecting rod (6) vertically connected with the second positioning mechanism and a second connecting rod (8) obliquely connected with the first connecting rod (6), the first connecting rod (6) is connected with the second connecting rod (8) in a sliding mode through a first connecting piece, and the second connecting rod (8) is connected with the dial indicator (5) in a sliding mode through a second connecting piece.

5. The device for detecting the coaxiality of the upper bearing hole and the lower bearing hole of the box body as claimed in claim 4, wherein: the first connecting piece and the second connecting piece have the same structure; the first connecting piece comprises a first rotating joint (7), the first rotating joint (7) is connected with a first connecting rod (6) and a second connecting rod (8) in a sliding mode, and a locking bolt is arranged on the first rotating joint (7).