CN212871725U

CN212871725U - Swing rod bearing life test machine

Info

Publication number: CN212871725U
Application number: CN202021974307.9U
Authority: CN
Inventors: 梁孟沛; 宋全武; 俞一品
Original assignee: Xinchang County Xrkobo Machine Co ltd
Current assignee: Xinchang County Xrkobo Machine Co ltd
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2021-04-02
Anticipated expiration: 2030-09-10

Abstract

The utility model discloses a swing rod bearing life test machine, which comprises a cabinet, the top of rack is provided with bilateral symmetry's E type main support, two be provided with adjustable stroke baffle between the E type main support, be provided with bilateral symmetry's oxford impact block on the adjustable stroke baffle, oxford impact block passes through the bolt and can dismantle and connect in adjustable stroke baffle, left end the top of oxford impact block is provided with the proximity switch frock, be provided with normally closed proximity switch and normally open proximity switch on the proximity switch frock. Through setting up the bolt hole on the bolt groove on the threaded rod and the E type main support, utilize the relative position of bolt adjustment threaded rod to and left swing rod bearing frock and right swing rod bearing frock can dismantle the connection through the screw thread, and the different frock is changed according to the size difference under the different models of swing rod bearing to the person of being convenient for use, ensures the device to the adaptability of different model swing rod bearings, strengthens the practicality of device.

Description

Swing rod bearing life test machine

Technical Field

The utility model relates to a bearing check out test set technical field specifically is a swing rod bearing life-span test machine.

Background

A wobble shaft bearing is a common component in power tools. The traditional swing rod bearing basically comprises a bearing core, a bearing shell, balls clamped between the bearing core and the bearing shell, a retainer and other structures, wherein a swing rod is arranged on the bearing shell, an intermediate shaft can be inserted into the bearing core, and the intermediate shaft is in movable fit with the bearing core through a needle bearing.

The service life and the strength of the swing rod bearing need to be tested by a service life testing machine before leaving a factory, however, the research on the bearing in China is started late, the service life testing method of the swing rod bearing in the current industry is low in scientificity, the testing machine is too simple, the service life and the strength of the bearing cannot be accurately and effectively reflected, the quality and the reliability of the domestic bearing cannot be guaranteed due to the difference between the manufacturing process and the detection equipment, the fatigue life of the bearing is low, and the bearing service life testing has a vital significance on the improvement of the bearing, so that the swing rod bearing service life testing machine is provided and used for filling the blank of the life testing of the swing rod bearing in the domestic and whole electric tool industries (the swing rod bearing industry).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a swing rod bearing life-span test machine 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 swing rod bearing service life testing machine comprises a machine cabinet, wherein the top end of the machine cabinet is provided with bilaterally symmetrical E-shaped main supports, an adjustable stroke guide plate is arranged between the two E-shaped main supports, the adjustable stroke guide plate is provided with bilaterally symmetrical oxford impact blocks, the oxford impact blocks are detachably connected to the adjustable stroke guide plate through bolts, the top end of the oxford impact block at the left end is provided with a proximity switch tool, the proximity switch tool is provided with a normally closed proximity switch and a normally open proximity switch, the upper part of the proximity switch tool is provided with a tension meter, the right end of the tension meter is provided with a connecting mechanism, the middle position of the E-shaped main support at the left side is transversely provided with a threaded rod, the threaded rod is provided with a pin slot, the front end of the E-shaped main support is provided with a pin hole matched with the pin slot, and the left end, the right E-shaped main bracket is rotatably connected with a transmission shaft which corresponds to the threaded rod through a bearing, the left end of the transmission shaft is detachably connected with a right swing rod bearing tool through a bolt, the right end of the transmission shaft is provided with a synchronous belt disc, a speed regulating motor is arranged in the middle of the cabinet, a synchronous belt is arranged between the output end of the speed regulating motor and a synchronous belt disc, a swing rod bearing is arranged between the left swing rod bearing tool and the right swing rod bearing tool, the swing rod bearing comprises a needle bearing, the left end of the swing rod bearing is in contact connection with a left swing rod bearing tool, the right end of the needle roller bearing is in contact connection with a right swing rod bearing tool, the top end of the swing rod bearing is detachably connected with a handle lengthening sleeve which passes through the adjustable stroke guide plate, the outside of handle extension sleeve is provided with temperature sensor, the top and the coupling mechanism of handle extension sleeve can dismantle the connection.

Preferably, the front end of rack is provided with start button, speed governing switch, speed governing motor speed display, timer and scram, shutdown button, start button, speed governing switch, speed governing motor speed display, timer and scram, the equal electric connection of shutdown button in speed governing motor, the inboard of rack is provided with the motor support, speed governing motor fixed connection is in the top of motor support, the inboard of rack is provided with a plurality of radiator fan, the top of rack is provided with the through-hole with hold-in range mutual adaptation.

Preferably, the front end of the cabinet is provided with a temperature recorder, and the temperature recorder is electrically connected to the temperature sensor.

Preferably, the normally closed proximity switch and the normally open proximity switch are electrically connected to the speed regulating motor.

Preferably, the top of rack is provided with the safety cover, the material of safety cover is transparent ya keli, be provided with the through-hole with threaded rod mutual adaptation on the safety cover, the safety cover is passed to the left end of threaded rod, the left end of threaded rod is provided with the threaded rod handle.

Preferably, the connecting mechanism is a spring or an elastic ribbon.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the time-recorder and carry out the record to operating duration, and the pull force table tests the life of pendulum rod bearing to the different pulling forces of handle extension sleeve loading of pendulum rod bearing handle end, time record and effective operating duration are synchronous, product failure triggers normally closed proximity switch and normally opens proximity switch, control buncher shuts down, the time-recorder stops in step, the cooperation temperature recorder that monitors often through temperature sensor to the heat energy (temperature) that the pendulum rod bearing produced in the operation process again records, scientific and safe effectual test flow has been realized, the accurate effect of measuring result, and the science is strong, cooperation normally closed proximity switch and normally open proximity switch realize the protection mechanism when the product became invalid, can effectively avoid the emergence of incident in the test procedure, reinforcing means's safety in utilization and practicality.

2. The utility model discloses set up the bolt hole on bolt groove and the E type main support on the threaded rod, utilize the relative position of bolt adjustment threaded rod to and left swing rod bearing frock and right swing rod bearing frock pass through the screw thread and can dismantle the connection, and the different frock is changed according to the size difference under the different models of swing rod bearing to the person of being convenient for use, ensures the device to the adaptability of different model swing rod bearings, strengthens the practicality of device.

Drawings

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

Fig. 2 is a schematic structural diagram of the testing mechanism of the present invention.

Fig. 3 is a schematic structural diagram of a position a of the present invention.

In the figure: 1. the device comprises a cabinet, 3, a speed regulating motor, 4, a starting button, 5, an emergency stop button, a shutdown button, 6, a motor support, 7, a protective cover, 8, a threaded rod handle, 9, a bolt hole, 10, a threaded rod, 11, an E-shaped main support, 12, a proximity switch tool, 13, a normally closed proximity switch, 14, a normally open proximity switch, 15, an Oxford impact block, 16, an adjustable stroke guide plate, 17, a left swing rod bearing tool, 18, a swing rod bearing, 19, a right swing rod bearing tool, 22, a bearing, 23, a synchronous belt disc, 26, a synchronous belt, 27, a transmission shaft, 28, a needle bearing, 29, a connecting mechanism, 30, a handle lengthening sleeve, 31, a tension gauge, 32, a bolt groove, 33, a cooling fan, 34, a temperature sensor, 35, a temperature recorder, 36, a speed regulating switch, 37, a speed regulating motor rotating speed display, 38, a timer

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 in specific cases to those skilled in the art.

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. 1-3, the present invention provides an embodiment: a swing rod bearing life test machine comprises a machine cabinet 1, wherein the top end of the machine cabinet 1 is provided with bilaterally symmetrical E-shaped main brackets 11, an adjustable stroke guide plate 16 is arranged between the two E-shaped main brackets 11, an Oxford impact block 15 which is bilaterally symmetrical is arranged on the adjustable stroke guide plate 16, the Oxford impact block 15 is detachably connected to the adjustable stroke guide plate 16 through bolts, the top end of the Oxford impact block 15 at the left end is provided with a proximity switch tool 12, the proximity switch tool 12 is provided with a normally closed proximity switch 13 and a normally open proximity switch 14, the upper part of the proximity switch tool 12 is provided with a tension meter 31, the right end of the tension meter 31 is provided with a connecting mechanism 29, the connecting mechanism 29 is specifically a spring or an elastic ribbon, the middle position of the E-shaped main bracket 11 at the left side is transversely provided with a threaded rod 10, the top end of the machine cabinet 1 is provided with, the left end of the threaded rod 10 penetrates through the protective cover 7, the left end of the threaded rod 10 is provided with a threaded rod handle 8, a user can conveniently pull the threaded rod 10 to adjust the tool stroke, a pin slot 32 is arranged on the threaded rod 10, the front end of the E-shaped main bracket 11 is provided with a pin hole 9 matched with the pin slot 32, the left end of the threaded rod 10 is detachably connected with a left swing rod bearing tool 17 through a bolt, the right E-shaped main bracket 11 is rotatably connected with a transmission shaft 27 corresponding to the threaded rod 10 through a bearing 22, the left end of the transmission shaft 27 is detachably connected with a right swing rod bearing tool 19 through a bolt, the right end of the transmission shaft 27 is provided with a synchronous belt disc 23, the middle position of the cabinet 1 is provided with a speed regulating motor 3, a synchronous belt 26 is arranged between the output end of the speed regulating motor 3 and the synchronous belt disc, the top end of the machine cabinet 1 is provided with a through hole matched with the synchronous belt 26, the front end of the machine cabinet 1 is provided with a starting button 4, a speed regulating switch 36, a speed regulating motor rotating speed display 37, a timer 38, an emergency stop and shutdown button 5, the starting button 4, the speed regulating switch 36, the speed regulating motor rotating speed display 37, the timer 38, the emergency stop and shutdown button 5 are all electrically connected with the speed regulating motor 3, the inner side of the machine cabinet 1 is provided with a motor support 6, the speed regulating motor 3 is fixedly connected to the top end of the motor support 6, the inner side of the machine cabinet 1 is provided with a plurality of cooling fans 33 for cooling the speed regulating motor 3 and ensuring the operating temperature thereof to effectively prolong the service life of the speed regulating motor 3, a swing rod bearing 18 is arranged between a left swing rod bearing tool 17 and a right swing rod bearing tool 19, a pin slot 32 on the threaded rod 10 and a pin hole 9 on the E-shaped, and the left swing rod bearing tool 17 and the right swing rod bearing tool 19 are detachably connected through threads, so that a user can conveniently replace different tools according to different sizes of the swing rod bearing 18 under different models, the applicability of the device to the swing rod bearings 18 of different models is ensured, the practicability of the device is enhanced, the swing rod bearing 18 comprises a needle bearing 28, the left end of the swing rod bearing 18 is in contact connection with the left swing rod bearing tool 17, the right end of the needle bearing 28 is in contact connection with the right swing rod bearing tool 19, the top end of the swing rod bearing 18 is detachably connected with a handle lengthening sleeve 30, the handle lengthening sleeve 30 penetrates through the adjustable stroke guide plate 16, a temperature sensor 34 is arranged outside the handle lengthening sleeve 30, the front end of the cabinet 1 is provided with a temperature recorder 35, the temperature recorder 35 is electrically connected with the temperature sensor 34, and the top end of the handle lengthening sleeve 30 is detachably connected with the connecting mechanism 29, the utility model records the running time by setting the timer 38, and the tension meter 31 loads different tension forces on the handle extension sleeve 30 at the handle end of the swing rod bearing 18 to test the service life of the swing rod bearing 18, the time record is synchronous with the effective running time, the product failure triggers the normally closed proximity switch 13 and the normally open proximity switch 14 to control the speed regulating motor 3 to stop, the timer 38 stops synchronously, and then the heat energy (temperature) generated by the swing rod bearing 18 in the running process is monitored and matched with the temperature recorder 35 to record all the time by the temperature sensor 34, thereby realizing scientific, safe and effective test flow, accurate and effective measurement result, and has strong scientificity, realizes a protection mechanism when the product fails by matching with the normally closed proximity switch 13 and the normally open proximity switch 14, the safety accident in the test process can be effectively avoided, and the use safety and the practicability of the device are enhanced.

The working principle is as follows: when the utility model is used, the user needs to understand the simple structure of the utility model, the user fixes the swing rod bearing 18 through the left swing rod bearing tool 17 and the right swing rod bearing tool 19, the handle extension sleeve 30 is sleeved on the swing rod of the swing rod bearing 18, the handle extension sleeve is connected with the tension meter 31 through the connecting mechanism 29, the bolt groove 32 on the threaded rod 10 and the bolt hole 9 on the E-shaped main bracket 11 are arranged, the relative position of the threaded rod 10 is adjusted through the bolt, and the left swing rod bearing tool 17 and the right swing rod bearing tool 19 are detachably connected through the screw thread, so that the user can conveniently replace different tools according to different sizes of the swing rod bearing 18 under different types, the applicability of the device to the swing rod bearings 18 with different types is ensured, the practicability of the device is enhanced, during the test, the speed regulating motor 3 rotates, the transmission shaft 27 is driven to rotate through the synchronous belt 26 and the synchronous belt disc 23, the swing rod bearing 18 rotates, the running time is recorded by arranging the timer 38, the tension meter 31 loads different tension forces on the handle lengthening sleeve 30 at the handle end of the swing rod bearing 18 to test the service life of the swing rod bearing 18, the time recording is synchronous with the effective running time, the normally closed proximity switch 13 and the normally open proximity switch 14 are triggered by product failure, the speed regulating motor 3 is controlled to stop, the timer 38 is synchronously stopped, the heat energy (temperature) generated by the swing rod bearing 18 in the running process is monitored by the temperature sensor 34 in real time and is matched with the temperature recorder 35 for recording, the scientific, safe and effective test flow is realized, the measurement result is accurate and effective, and has strong scientificity, realizes a protection mechanism when the product fails by matching with the normally closed proximity switch 13 and the normally open proximity switch 14, the safety accident in the test process can be effectively avoided, and the use safety and the practicability of the device are enhanced.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a pendulum rod bearing life test machine, includes rack (1), its characterized in that: the top of rack (1) is provided with bilateral symmetry's E type main support (11), two be provided with adjustable stroke baffle (16) between E type main support (11), be provided with bilateral symmetry's oxford impact block (15) on adjustable stroke baffle (16), oxford impact block (15) can be dismantled through the bolt and connect in adjustable stroke baffle (16), the left end the top of oxford impact block (15) is provided with proximity switch frock (12), be provided with normally closed proximity switch (13) and normally open proximity switch (14) on proximity switch frock (12), the upper portion of proximity switch frock (12) is provided with tensiometer (31), the right-hand member of tensiometer (31) is provided with coupling mechanism (29), the left side the intermediate position of E type main support (11) transversely is provided with threaded rod (10), be provided with cotter groove (32) on threaded rod (10), the front end of the E-shaped main support (11) is provided with a bolt hole (9) matched with a bolt groove (32), the left end of the threaded rod (10) is detachably connected with a left swing rod bearing tool (17) through a bolt, the right side of the E-shaped main support (11) is rotatably connected with a transmission shaft (27) corresponding to the threaded rod (10) through a bearing (22), the left end of the transmission shaft (27) is detachably connected with a right swing rod bearing tool (19) through a bolt, the right end of the transmission shaft (27) is provided with a synchronous belt disk (23), the middle position of the cabinet (1) is provided with a speed regulating motor (3), a synchronous belt (26) is arranged between the output end of the speed regulating motor (3) and the synchronous belt disk (23), a swing rod bearing (18) is arranged between the left swing rod bearing tool (17) and the right swing rod bearing tool (19), the swing rod bearing (18) comprises a needle bearing (28), the left end of the swing rod bearing (18) is in contact connection with a left swing rod bearing tool (17), the right end of the needle bearing (28) is in contact connection with a right swing rod bearing tool (19), the top end of the swing rod bearing (18) is detachably connected with a handle lengthening sleeve (30), the handle lengthening sleeve (30) penetrates through the adjustable stroke guide plate (16), a temperature sensor (34) is arranged on the outer side of the handle lengthening sleeve (30), and the top end of the handle lengthening sleeve (30) is detachably connected with a connecting mechanism (29).

2. The swing rod bearing life testing machine of claim 1, wherein: the utility model discloses a motor cabinet, including rack (1), front end, actuating button (4), speed governing switch (36), buncher speed display (37), time-recorder (38) and scram, shutdown button (5), actuating button (4), speed governing switch (36), buncher speed display (37), time-recorder (38) and scram, the equal electric connection of shutdown button (5) in buncher (3), the inboard of rack (1) is provided with motor support (6), buncher (3) fixed connection is in the top of motor support (6), the inboard of rack (1) is provided with a plurality of radiator fan (33), the top of rack (1) is provided with the through-hole with hold-in range (26) mutual adaptation.

3. The swing rod bearing life testing machine of claim 1, wherein: the front end of rack (1) is provided with temperature recorder (35), temperature recorder (35) electric connection is in temperature sensor (34).

4. The swing rod bearing life testing machine of claim 1, wherein: the normally closed proximity switch (13) and the normally open proximity switch (14) are electrically connected to the speed regulating motor (3).

5. The swing rod bearing life testing machine of claim 1, wherein: the top of rack (1) is provided with safety cover (7), the material of safety cover (7) is transparent ya keli, be provided with the through-hole with threaded rod (10) mutual adaptation on safety cover (7), safety cover (7) are passed to the left end of threaded rod (10), the left end of threaded rod (10) is provided with threaded rod handle (8).

6. The swing rod bearing life testing machine of claim 1, wherein: the connecting mechanism (29) is specifically a spring or an elastic ribbon.