CN211178259U

CN211178259U - Double deep groove ball bearing play measuring device

Info

Publication number: CN211178259U
Application number: CN202020044688.4U
Authority: CN
Inventors: 范云庆
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-08-04
Anticipated expiration: 2030-01-10

Abstract

The utility model discloses a double deep groove ball bearing play measuring device, including support and C template, the fixed surface is provided with clamping device in the right side of C template, clamping device mainly includes A splint, B nut, presss from both sides tight pipe, B screw rod, two deep groove ball bearing, step shaft and B splint, B splint are fixed in on the C template, be provided with the B circular slot in the middle of the B splint, B splint outer lane symmetry installs the D nut, the step shaft is placed in the B circular slot, this device realizes the zero return of amesdial number through adjusting the axial displacement of amesdial and contacting with two deep groove ball bearing outer lanes through being provided with the amesdial, and realizes that the telescopic link does accurate axial displacement relative to the outer cylinder through the hydraulic controller on the power measuring device to export accurate power value and show on the display screen in real time, and then can draw accurate bearing with the help of the amesdial, the whole process is simple, the operation is convenient, and the measurement precision is high.

Description

Double deep groove ball bearing play measuring device

Technical Field

The utility model belongs to the technical field of the bearing play measures technique and specifically relates to a double deep groove ball bearing play measuring device is related to.

Background

During the high-speed operation of the bearing along with machinery, the size of the clearance of the bearing needs to be strictly ensured, and the size of the clearance during operation has great influence on the performances of the bearing, such as fatigue, temperature rise, vibration noise and the like, so that the smoothness of the bearing during rotation can be strictly ensured only if the clearance meets the standard requirement.

In the process of detecting the bearing play, one of an inner ring and an outer ring of the bearing needs to be fixed, then a certain force value is applied to the side which is not fixed, finally, a device such as a dial indicator is used for detecting the radial or axial movement of the side which is not fixed, and the size of the bearing play is obtained according to the relative displacement between the inner ring and the outer ring of the bearing. In the prior art, when the axial play of the bearing is measured, the fixing and force application operations of the inner ring or the outer ring of the bearing are usually manually completed in the measurement process, so that the accuracy of measurement data may be affected in the processes of fixing the bearing, applying force and the like, and further measurement errors are caused. Based on this, to some defects that above-mentioned exists, the utility model provides a double deep groove ball bearing play measuring device to solve the problem that exists among the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at realizing the high accuracy measurement of double deep groove ball bearing play, based on this and provide a double deep groove ball bearing play measuring device, its simple structure, reasonable in design, measurement accuracy is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

according to the utility model provides a technical scheme: the utility model provides a double deep groove ball bearing play measuring device, includes support and C template, C template right side internal surface is fixed and is provided with clamping device, clamping device mainly includes A splint, B nut, presss from both sides tight pipe, B screw rod, two deep groove ball bearings, step shaft and B splint, B splint are fixed in on the C template, be provided with the B circular slot in the middle of the B splint, the D nut is installed to B splint outer lane symmetry, the step shaft is placed in the B circular slot, step shaft and B splint pass through D nut fixed connection, two deep groove ball bearings place in the shaft shoulder department of step shaft, fixed mounting has the B screw rod on the right side terminal surface of step shaft, the right side activity of B screw rod is provided with A splint, be provided with the A circular slot in the middle of the A splint, the C nut is installed to A splint outer lane symmetry, press from both sides tightly and place in the A circular slot, the clamping circular tube is fixedly connected with the splint A through a nut C, a nut B is rotatably installed on the outer side of the splint A, boosting rods are symmetrically arranged on the radial outer surface of the nut B, a force measuring device is fixedly arranged on the upper side of the inner surface of the splint B, the force measuring device comprises an outer cylinder, a hydraulic controller, a display screen, a telescopic rod and a force sensor module, the outer cylinder is installed on the inner side of the splint B, the hydraulic controller is installed on the outer side of a template C, the telescopic rod is arranged in the outer cylinder, the force sensor module is installed at the outer end of the telescopic rod, a support is fixedly arranged on the upper portion of the template C, a clearance measuring device is installed on the support, the clearance measuring device comprises a nut A, a screw rod A, a dial indicator and a sleeve, the screw rod A movably penetrates through the support, and the nut A, the lower side of the screw rod A is fixedly provided with a sleeve, and a dial indicator is movably arranged in the sleeve.

As a further improvement, the telescopic link can be relative outer cylinder axial displacement, be provided with the display screen on the surface of outer cylinder, display screen and force sensor module electric connection.

As a further improvement of the utility model, the activity is provided with the sleeve pipe in the A circular slot, sheathed tube internal diameter slightly is greater than the external diameter of B screw rod.

As a further improvement, equidistant processing of step shaft shoulder department has the A rectangular channel, equidistant processing has the B rectangular channel on pressing from both sides tight pipe left side terminal surface, B rectangular channel and A rectangular channel mutual disposition.

As a further improvement, the axis of the telescopic link on the force measuring device coincides mutually with telescopic axis on the play measuring device, the height of the telescopic link on the force measuring device is the same with the outer lane height of the double deep groove ball bearing.

As a further improvement of the utility model, two deep groove ball bearings are including A deep groove ball bearing, big gasket, little gasket and B deep groove ball bearing, be provided with big gasket and little gasket between A deep groove ball bearing and the B deep groove ball bearing, little gasket movable mounting is on the external diameter of step shaft, big gasket movable mounting is in the outer lane of little gasket.

Compared with the prior art, the utility model, have following advantage:

1) the device is provided with a stepped shaft and a clamping circular tube, the double deep groove ball bearing is placed at the shaft shoulder of the stepped shaft along a screw rod B, and a nut B is screwed down, so that the shaft shoulder of the stepped shaft and the clamping circular tube jointly fix and clamp the inner ring of the double deep groove ball bearing, thereby reducing errors caused by the movement of the double deep groove ball bearing in the measuring process, and the effects of fixing and skid resistance can be further achieved by the arrangement of a rectangular groove A at the shaft shoulder of the stepped shaft and a rectangular groove B on the clamping circular tube;

2) this device is through being provided with the amesdial, axial displacement through adjusting the amesdial and with the contact of two deep groove ball bearing outer lane realize the zero return of amesdial registration number to hydraulic controller through on the power measuring device realizes that the relative outer jar of telescopic link is accurate axial displacement, thereby output accurate power value and show in real time on the display screen, and then can reachd accurate bearing play with the help of the amesdial, whole flow is comparatively simple, and convenient operation, and measurement accuracy is high.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the overall structure in another direction of the present invention.

Fig. 3 is a schematic structural view of the double deep groove ball bearing of the present invention.

Fig. 4 is a schematic view of the structure of the splint a of the present invention.

Fig. 5 is a schematic view of the structure of the B-splint of the present invention.

In the figure: 1. a force measuring device; 101. an outer cylinder; 102. a hydraulic controller; 103. a display screen; 104. a telescopic rod; 105. a force sensor module; 2. a play measuring device; 201. a, a nut; 202. a, a screw rod; 203. a dial indicator; 204. a sleeve; 3. a support; 4. a clamping device; 401. a, clamping a plate; 402. b, a nut; 403. a booster lever; 404. clamping the circular tube; 405. a screw rod B; 406. a double deep groove ball bearing; 407. a rectangular groove; 408. a stepped shaft; 409. b, clamping the plate; 410. c, a nut; 411. b, a rectangular groove; 412. d, a nut; 413. a, deep groove ball bearing; 414. a large gasket; 415. a small pad; 416. b, deep groove ball bearing; 417. a, circular grooves; 418. a sleeve; 419. b, circular grooves; 5. and C-shaped plates.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1 to 5, a double-row deep groove ball bearing clearance measuring device comprises a bracket 3 and a C-shaped plate 5, wherein a clamping device 4 is fixedly arranged on the inner surface of the right side of the C-shaped plate 5, the clamping device 4 mainly comprises an a clamping plate 401, a B nut 402, a clamping circular tube 404, a B screw 405, a double deep groove ball bearing 406, a stepped shaft 408 and a B clamping plate 409, the B clamping plate 409 is fixed on the C-shaped plate 5, a B circular groove 419 is arranged in the middle of the B clamping plate 409, D nuts 412 are symmetrically arranged on the outer ring of the B clamping plate 409, the stepped shaft 408 is placed in the B circular groove 419, the stepped shaft 408 is fixedly connected with the B clamping plate 409 through a D nut 412, the double deep groove ball bearing 406 is placed at the shaft shoulder of the stepped shaft 408, the B screw 405 is fixedly arranged on the right end face of the stepped shaft 408, the a clamping plate 401 is movably arranged on the right side of the B screw 405, c nuts 410 are symmetrically installed on the outer ring of the A clamping plate 401, the clamping circular tube 404 is placed in an A circular groove 417, the clamping circular tube 404 is fixedly connected with the A clamping plate 401 through the C nuts 410, a B nut 402 is rotatably installed on the outer side of the A clamping plate 401, boosting rods 403 are symmetrically arranged on the radial outer surface of the B nut 402, a force measuring device 1 is fixedly arranged on the upper side of the inner surface of the B clamping plate 409, the force measuring device 1 comprises an outer cylinder 101, a hydraulic controller 102, a display screen 103, an expansion rod 104 and a force sensor module 105, the outer cylinder 101 is installed on the inner side of the B clamping plate 409, the hydraulic controller 102 is installed on the outer side of the C-shaped plate 5, the expansion rod 104 is arranged in the outer cylinder 101, the force sensor module 105 is installed on the outer end of the expansion rod 104, a support 3 is fixedly arranged on the upper portion of the C-, the clearance measuring device 2 comprises a nut A201, a screw A202, a dial indicator 203 and a sleeve 204, wherein the screw A202 movably penetrates through the support 3, the nut A201 is rotatably mounted on the upper side of the screw A202, the sleeve 204 is fixedly mounted on the lower side of the screw A202, and the dial indicator 203 is movably arranged in the sleeve 204.

As shown in fig. 1 and 2, the telescopic rod 104 can move axially relative to the outer cylinder 101, a display screen 103 is disposed on an outer surface of the outer cylinder 101, the display screen 103 is electrically connected to the force sensor module 105, and the display screen 103 can display the magnitude of a force value applied to the outer ring of the double deep groove ball bearing 406 by the telescopic rod 104 in real time.

As shown in fig. 4, a sleeve 418 is movably disposed in the a circular groove 417, an inner diameter of the sleeve 418 is slightly larger than an outer diameter of the B screw 405, and the sleeve 418 is disposed to prevent an inner ring of the a clamp plate 401 from directly contacting an outer surface of the B screw 405.

As shown in fig. 1 and 2, the a rectangular grooves 407 are formed at the shoulder of the stepped shaft 408 at equal intervals, the B rectangular grooves 411 are formed at the left end face of the clamping circular tube 404 at equal intervals, the B rectangular grooves 411 are arranged opposite to the a rectangular grooves 407, and the arrangement of the a rectangular grooves 407 at the shoulder of the stepped shaft 408 and the B rectangular grooves 411 on the clamping circular tube 404 can further achieve the effect of fixing the double deep groove ball bearing 406.

As shown in fig. 1 and 2, in which the axis of the telescopic rod 104 on the force measuring device 1 and the axis of the sleeve 204 on the play measuring device 2 coincide with each other, the height of the telescopic rod 104 on the force measuring device 1 is the same as the height of the outer ring of the double deep groove ball bearing 406, and this arrangement can further reduce the error caused during the play measurement of the double deep groove ball bearing 406.

As shown in fig. 3, the double deep groove ball bearing 406 includes an a deep groove ball bearing 413, a large spacer 414, a small spacer 415, and a B deep groove ball bearing 416, the large spacer 414 and the small spacer 415 are disposed between the a deep groove ball bearing 413 and the B deep groove ball bearing 416, the small spacer 415 is movably mounted on the outer diameter of the stepped shaft 408, the large spacer 414 is movably mounted on the outer ring of the small spacer 415, and when the measured size of the bearing play does not meet the requirement, the size of the large spacer 414 and the small spacer 415 is changed to enable the play of the double deep groove ball bearing 406 to meet the requirement.

It should be noted that, the utility model relates to a double deep groove ball bearing play measuring device, before measuring, unscrew B nut 402, take off a splint 401 and clamp the pipe 404, and place double deep groove ball bearing 406 in the shoulder of step shaft 408 along B screw 405, then install a splint 401 and clamp the pipe 404, and tighten B nut 402, make the shoulder of step shaft 408 and clamp the pipe 404 and fix the inner circle of double deep groove ball bearing 406 together and clamp, then rotate a nut 201, make the gauge head measuring end height of dial gauge 203 and the outer circle height of double deep groove ball bearing 406 the same, rotate dial gauge 203 simultaneously, make dial gauge 203 carry out axial displacement and contact with the outer circle of double deep groove ball bearing 406 relative to sleeve 204, and manual regulation dial gauge 203's reading returns to zero, then carry out the control of power through hydraulic controller 102 on force measuring device 1, make force sensor module 105 on telescopic link 104 do axial displacement relative to outer cylinder 101, and the outer ring of the double deep groove ball bearing 406 is pressed tightly until 5N force is displayed on the display screen 103, the hydraulic controller 102 stops working, the state is kept, finally, the axial play of the double deep groove ball bearing 406 is read by observing the indication number of the dial indicator 203, and when the axial play is not between 0.001-0.003 mm, the axial play of the double deep groove ball bearing 406 meets the requirement by changing the sizes of the large gasket 414 and the small gasket 415, so that the whole process is simple, the operation is convenient, and the measurement precision is high.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a double deep groove ball bearing play measuring device, includes support (3) and C template (5), its characterized in that, C template (5) right side internal surface is fixed and is provided with clamping device (4), clamping device (4) mainly including A splint (401), B nut (402), clamp tightly pipe (404), B screw rod (405), two deep groove ball bearing (406), step shaft (408) and B splint (409), B splint (409) are fixed in on C template (5), be provided with B circular slot (419) in the middle of B splint (409), D nut (412) are installed to B splint (409) outer lane symmetry, step shaft (408) are placed in B circular slot (419), step shaft (408) and B splint (409) are through D nut (412) fixed connection, two deep groove ball bearing (406) are placed in the shaft shoulder department of step shaft (408), a B screw (405) is fixedly installed on the right end face of the stepped shaft (408), an A clamping plate (401) is movably arranged on the right side of the B screw (405), an A round groove (417) is formed in the middle of the A clamping plate (401), C nuts (410) are symmetrically installed on the outer ring of the A clamping plate (401), a clamping round pipe (404) is placed in the A round groove (417), the clamping round pipe (404) is fixedly connected with the A clamping plate (401) through the C nuts (410), the B nuts (402) are rotatably installed on the outer side of the A clamping plate (401), power-assisted rods (402) are symmetrically arranged on the radial outer surface of the B nut (402), a force measuring device (1) is fixedly arranged on the upper side of the inner surface of the B clamping plate (409), and the force measuring device (1) comprises an outer cylinder (101), a hydraulic controller (102), a display screen (103), an expansion link (104) and a force sensor module (105, the inner side at B splint (409) is installed in outer cylinder (101), the outside at C template (5) is installed in hydraulic controller (102), be provided with telescopic link (104) in outer cylinder (101), force sensor module (105) are installed to the outer end of telescopic link (104), the fixed support (3) that is provided with in upper portion of C template (5), install play measuring device (2) on support (3), play measuring device (2) are including A nut (201), A screw rod (202), amesdial (203) and sleeve (204), support (3) are passed in A screw rod (202) activity, A nut (201) is installed in the upside rotation of A screw rod (202), the downside fixed mounting of A screw rod (202) has sleeve (204), sleeve (204) internalization is provided with amesdial (203).

2. The double row deep groove ball bearing play measurement device of claim 1, wherein: the telescopic rod (104) can move axially relative to the outer cylinder (101), a display screen (103) is arranged on the outer surface of the outer cylinder (101), and the display screen (103) is electrically connected with the force sensor module (105).

3. The double row deep groove ball bearing play measurement device of claim 1, wherein: a sleeve (418) is movably arranged in the A circular groove (417), and the inner diameter of the sleeve (418) is slightly larger than the outer diameter of the B screw (405).

4. The double row deep groove ball bearing play measurement device of claim 1, wherein: a rectangular groove (407) is machined in the shoulder of the stepped shaft (408) at equal intervals, a rectangular groove (411) is machined in the left side end face of the clamping circular tube (404) at equal intervals, and the rectangular groove (411) is arranged opposite to the rectangular groove (407) A.

5. The double row deep groove ball bearing play measurement device of claim 1, wherein: the axial line of the telescopic rod (104) on the force measuring device (1) and the axial line of the sleeve (204) on the clearance measuring device (2) are coincided with each other, and the height of the telescopic rod (104) on the force measuring device (1) is the same as the height of the outer ring of the double deep groove ball bearing (406).

6. The double row deep groove ball bearing play measurement device of claim 1, wherein: the double deep groove ball bearing (406) comprises an A deep groove ball bearing (413), a large gasket (414), a small gasket (415) and a B deep groove ball bearing (416), wherein the large gasket (414) and the small gasket (415) are arranged between the A deep groove ball bearing (413) and the B deep groove ball bearing (416), the small gasket (415) is movably mounted on the outer diameter of the stepped shaft (408), and the large gasket (414) is movably mounted on the outer ring of the small gasket (415).