CN218412030U - Broken shaft alarm device - Google Patents
Broken shaft alarm device Download PDFInfo
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- CN218412030U CN218412030U CN202221840055.XU CN202221840055U CN218412030U CN 218412030 U CN218412030 U CN 218412030U CN 202221840055 U CN202221840055 U CN 202221840055U CN 218412030 U CN218412030 U CN 218412030U
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Abstract
The utility model discloses a disconnected axle alarm device belongs to the experimental technical field of bearing life. It includes: a pair of support bearing blocks; the connecting assembly is arranged in the supporting bearing seat, and a test shaft to be tested can rotatably penetrate through the connecting assembly; one end of the transmission component is connected with the test shaft, the other end of the transmission component is connected with an external driving unit, and the driving unit drives the test shaft to rotate through the transmission component; the double-plane nut is arranged on the test shaft and positioned in the supporting bearing seat, and the double-plane nut is driven to synchronously rotate along with the rotation of the test shaft; a sensor disposed on the support bearing seat and disposed toward the biplane nut. The rotation of the test shaft drives the biplane nut to synchronously rotate, the sensor detects the rotating speed of the biplane nut and converts the rotating speed into an electric signal to be transmitted to the control system, when the test shaft is accidentally broken, the biplane nut does not rotate any more, and the control system detects that the rotating speed of the biplane nut is lower than a preset rotating speed, so that a broken shaft alarm scheme can be started.
Description
Technical Field
The utility model belongs to the technical field of bearing life test device, concretely relates to disconnected axle alarm device.
Background
The bearing life test in the prior art is carried out under the condition of applying heavy load, so that the test shaft has a fracture phenomenon, but due to the lack of a monitoring device for the fracture of the test shaft, a tester has certain difficulty in subsequent analysis and problem solving.
In addition, once the test shaft is broken, and the tester does not find the broken test shaft in the first time, the test instrument can continuously operate, and even the risk of damage to the test instrument exists.
Disclosure of Invention
The utility model discloses an above-mentioned problem to prior art exists provides one kind can send out the police dispatch newspaper, close test instrument, record test axle rupture time's disconnected axle alarm device when the test axle splits.
The utility model discloses the accessible is realized by following technical scheme:
a shaft breakage warning device comprising:
a pair of support bearing blocks;
the connecting assembly is arranged in the supporting bearing seat, and a test shaft to be tested can be rotatably arranged in the connecting assembly in a penetrating manner;
one end of the transmission assembly is connected with the test shaft, the other end of the transmission assembly is connected with an external driving unit, and the driving unit drives the test shaft to rotate through the transmission assembly;
the double-plane nut is arranged on the test shaft and positioned in the supporting bearing seat, and the double-plane nut is driven to synchronously rotate along with the rotation of the test shaft;
a sensor disposed on the support bearing housing and disposed toward the biplane nut;
when the double-plane nut rotates, the sensor detects that the rotating speed of the double-plane nut is not lower than a preset value and transmits an electric signal to the control system, and the control system displays the real-time rotating speed;
when the test shaft is broken, the sensor detects that the rotating speed of the double-plane nut is lower than a preset value and transmits an electric signal to the control system, and the control system starts a broken shaft alarm scheme.
As a further improvement, the biplane nut has first detection face and second detection face, the sense terminal orientation of sensor first detection face or the second detects the face setting.
As a further improvement of the utility model, when the biplane nut rotates, first detection face with the second detects the synchronous rotation of face, this moment the sensor detects first detection face with the alternative transformation of second detection face converts to signal of telecommunication transmission to control system.
As a further improvement of the utility model, coupling assembling includes first experimental bearing and bearing housing seat, the bearing housing seat is installed support in the bearing housing and be used for the installation first experimental bearing, first experimental bearing is installed at experimental epaxial.
As a further improvement of the present invention, the test device further includes a load force applying assembly, which is installed on the test shaft and is located a pair between the supporting bearing seats, the load force applying assembly includes:
the pair of second test bearings are arranged on the test shaft, an outer ring space ring is arranged between the pair of second test bearings, and an inner ring space ring is arranged between the second test bearings and the first test bearing;
and the bearing sleeve is sleeved on the bearing outer rings of the second test bearings, and end covers are further arranged at two ends of the bearing sleeve.
As a further improvement, the utility model also includes a positioning ring, its setting on experimental epaxial and with first experimental bearing butt, the positioning ring with biplane nut is located two respectively support in the bearing frame.
As a further improvement of the present invention, the transmission assembly comprises:
the coupler is arranged at one end, far away from the biplane nut, of the test shaft;
and one end of the transmission shaft is inserted into the coupler, and the other end of the transmission shaft is provided with a transmission wheel and is used for being connected with an external driving unit.
As a further improvement of the utility model, the transmission assembly further comprises a transmission bearing seat, be equipped with the bearing unit in the transmission bearing seat, the transmission shaft is followed insert after passing in the bearing unit in the shaft coupling.
As a further improvement, the utility model also comprises a bottom plate, the transmission bearing seat and the pair of the supporting bearing seats are all arranged on the bottom plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the rotation of the test shaft drives the biplane nut to synchronously rotate, the sensor detects the rotating speed of the biplane nut and converts the rotating speed into an electric signal to be transmitted to the control system, when the rotating speed of the biplane nut is not lower than a preset rotating speed, the control system displays the rotating speed of the test shaft on a display screen in real time, when the test shaft is accidentally broken, the biplane nut does not rotate any more, and when the control system detects that the rotating speed of the biplane nut is lower than the preset rotating speed, a broken shaft alarm scheme can be started.
2. When disconnected axle warning scheme starts, the outside siren of control system control is lighted and is sounded, and the experimenter can the very first time discover disconnected axle condition from this, and control system controls outside drive unit stall and takes notes this disconnected axle time and show on the display screen simultaneously, and when avoiding the experimenter not at the experimental scene from this, the condition that the test device lasts the operation and leads to damaging takes place, also is convenient for the experimenter to gather data.
3. The biplane nut has first detection face and second detection face, when the biplane nut rotates, first detection face and second detection face rotate in step, wherein, first detection face sets up two kinds of colours with the second detection face respectively, in the biplane nut rotates the in-process, two kinds of colours of first detection face and second detection face alternate, the sensor catches alternate colour and changes the signal of telecommunication into and conveys control system this moment, control system can obtain the real-time rotational speed of biplane nut through the algorithm, and then obtain the real-time rotational speed of test axle.
Drawings
Fig. 1 is a sectional view of the broken shaft alarm device of the present invention;
fig. 2 is a schematic structural view of the present invention.
In the figure, 100, support the bearing bracket; 110. a connecting assembly; 111. a first test bearing; 112. a bearing housing seat; 120. a transmission assembly; 121. a coupling; 122. a drive shaft; 123. a driving wheel; 124. a transmission bearing seat; 125. a bearing unit; 130. a bi-planar nut; 131. a first detection surface; 132. a second detection surface; 140. a sensor; 150. a load force applying assembly; 151. a second test bearing; 152. an outer ring spacer ring; 153. an inner ring spacer ring; 154. a bearing housing; 155. an end cap; 160. a positioning ring; 170. a base plate; 200. and (4) testing the shaft.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical method of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1-2, the utility model provides a broken shaft alarm device, include:
a pair of support bearing housings 100 spaced apart from each other.
The connecting assembly 110 is arranged in the supporting bearing seats 100, and the test shaft 200 to be tested is rotatably arranged in the connecting assembly 110 in a penetrating way, so that the test shaft 200 can be arranged in the pair of supporting bearing seats 100 in a penetrating way.
One end of the transmission component 120 is connected with the test shaft 200, and the other end of the transmission component is connected with an external driving unit, and the driving unit drives the test shaft 200 to rotate through the transmission component 120, so that the service life test of the test shaft 200 can be performed.
The double-plane nut 130 is installed at the threaded end of the test shaft 200 and located in the support bearing seat 100, and the double-plane nut 130 and the transmission assembly 120 are respectively located at two ends of the test shaft 200, and the double-plane nut 130 is driven to synchronously rotate along with the rotation of the test shaft 200.
The sensor 140 is arranged on the supporting bearing seat 100 and arranged towards the biplane nut 130, specifically, after the test shaft 200 starts to rotate, the biplane nut 130 is driven to rotate synchronously, at this time, the sensor 140 can detect the rotating speed of the biplane nut 130 and convert the rotating speed into an electric signal to be transmitted to the control system, at this time, the control system compares the rotating speed with a preset rotating speed value, if the rotating speed is not lower than the preset rotating speed value, it is indicated that the test shaft 200 is in a normal test device, and at this time, the control system can display the real-time rotating speed of the test shaft 200 on an external control panel;
on the contrary, if the test shaft 200 is accidentally broken during the rotation process, the transmission assembly 120 cannot transmit the rotation force of the driving unit to the biplane nut 130 through the test shaft 200, so that the rotation of the biplane nut 130 is gradually stopped, at this time, the sensor 140 detects that the rotation speed of the biplane nut 130 is lower than the preset rotation speed value, the sensor 140 transmits an electric signal to the control system, and the control system starts a shaft breakage alarm scheme after receiving the signal;
specifically, in this embodiment, the shaft breakage alarm scheme mainly includes:
1. the control system controls an external alarm to light and make a sound, so that a tester can find the broken shaft condition at the first time;
2. the control system controls an external driving unit to stop rotating, so that the situation that a testing device is damaged due to continuous operation when a tester is not in a testing site is avoided;
3. and recording the shaft breakage time and displaying the shaft breakage time on a display screen for a tester to collect data.
Preferably, the double-plane nut 130 has a first detection surface 131 and a second detection surface 132, and the detection end of the sensor 140 is disposed toward the first detection surface 131 or the second detection surface 132.
Further preferably, when the biplane nut 130 rotates, the first detection surface 131 and the second detection surface 132 rotate synchronously, specifically, in this embodiment, the first detection surface 131 and the second detection surface 132 are respectively set to two colors, and in the rotation process of the biplane nut 130, the two colors of the first detection surface 131 and the second detection surface 132 are alternately changed, at this time, the sensor 140 captures the alternately changed colors and converts the alternately changed colors into an electric signal to be transmitted to the control system, and the control system can obtain the real-time rotation speed of the biplane nut 130 through an algorithm, so as to obtain the real-time rotation speed of the test shaft 200.
Preferably, the connecting assembly 110 includes a first test bearing 111 and a bearing sleeve seat 112, the bearing sleeve seat 112 is installed in the supporting bearing seat 100 and is used for installing the first test bearing 111, the first test bearing 111 is installed on the test shaft 200, wherein the first test bearing 111 is used for detecting the service life of the test shaft 200.
Preferably, the present invention further comprises a load force applying assembly 150 mounted on the test shaft 200 and located between the pair of support bearing seats 100, wherein the load force applying assembly 150 applies an external axial load force to transfer the axial load force to the second test bearing 151, so that the service life of the second test bearing 151 under the action of different axial load forces can be tested, and in the present embodiment, the first test bearing 111 is also a test object of the life test;
that is to say, the testing device is mainly used for testing the service lives of the first testing bearing 111 and the second testing bearing 151, and the shaft breakage alarm is set to cope with the situation that the testing shaft 200 is accidentally broken in the testing process, so as to ensure the accuracy of the final service life test result.
Specifically, the load force applying assembly 150 includes:
a pair of second test bearings 151 mounted on the test shaft 200, wherein the second test bearings 151 are also used for detecting the service life of the test shaft 200, an outer ring spacer 152 is arranged between the pair of second test bearings 151, and an inner ring spacer 153 is arranged between the second test bearings 151 and the first test bearing 111, wherein the outer ring spacer 152 and the inner ring spacer 153 are arranged mainly for preventing the bearings from being crushed when bearing load force is applied, and the outer ring spacer 152 also plays a guiding role when the test shaft 200 is mounted;
a bearing sleeve 154, which is sleeved on the bearing outer rings of the pair of second test bearings 151, wherein the external bearing load force is applied on the bearing sleeve 154, in addition, end covers 155 are further arranged at two ends of the bearing sleeve 154, each end cover 155 is provided with a countersunk hole and is connected with a threaded hole on the bearing sleeve 154 through a countersunk screw, and the end cover 155 is arranged for sealing each part in the bearing sleeve 154;
wherein, F in fig. 1 is an illustration of a load force application direction, wherein, in the test process, the load force is gradually increased to a test set value and finally kept at a constant value, thereby avoiding the occurrence of a situation that the test shaft 200 is caused by an excessively large load force instant application value, and further ensuring the stability of the test.
Preferably, the testing device further comprises a positioning ring 160 disposed on the testing shaft 200 and abutting against the first testing bearing 111, the positioning ring 160 and the biplane nut 130 are respectively located in the two supporting bearing seats 100, and the positioning ring 160 is used for applying and locking the axial pre-tightening force.
Preferably, the transmission assembly 120 includes:
a coupling 121 disposed at an end of the test shaft 200 remote from the biplane nut 130;
one end of the transmission shaft 122 is inserted into the coupler 121, and the other end of the transmission shaft 122 is provided with a transmission wheel 123 and is used for being connected with an external driving unit, that is, after the transmission shaft 122 rotates, the coupler 121 drives the test shaft 200 to rotate synchronously.
Preferably, the transmission assembly 120 further includes a transmission bearing seat 124, a bearing unit 125 is disposed in the transmission bearing seat 124, the transmission shaft 122 passes through the bearing unit and then is inserted into the coupler 121, and the transmission bearing seat 124 mainly plays a role of supporting the transmission shaft 122, so that the transmission shaft 122, the coupler 121, and the test shaft 200 can be on the same horizontal line.
Preferably, the base plate 170 is further included, and the transmission bearing housing 124 and the pair of support bearing housings 100 are disposed on the base plate 170.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the technical means, but also comprises the technical scheme formed by the arbitrary combination of the technical characteristics. The above is the detailed implementation of the present invention, and it should be noted that, for those skilled in the art, without departing from the principle of the present invention, a plurality of improvements and decorations can be made, and these improvements and decorations are also regarded as the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in the present application as to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.
Claims (9)
1. A broken shaft alarm device is characterized by comprising:
a pair of support bearing blocks;
the connecting assembly is arranged in the supporting bearing seat, and a test shaft to be tested can rotatably penetrate through the connecting assembly;
one end of the transmission assembly is connected with the test shaft, the other end of the transmission assembly is connected with an external driving unit, and the driving unit drives the test shaft to rotate through the transmission assembly;
the double-plane nut is arranged on the test shaft and positioned in the supporting bearing seat, and the double-plane nut is driven to synchronously rotate along with the rotation of the test shaft;
a sensor disposed on the support bearing housing and disposed toward the biplane nut;
when the double-plane nut rotates, the sensor detects that the rotating speed of the double-plane nut is not lower than a preset value and transmits an electric signal to the control system, and the control system displays the real-time rotating speed;
when the test shaft is broken, the sensor detects that the rotating speed of the double-plane nut is lower than a preset value and transmits an electric signal to the control system, and the control system starts a broken shaft alarm scheme.
2. A shaft break warning device as claimed in claim 1, wherein the bi-planar nut has a first detection surface and a second detection surface, and the detection end of the sensor is disposed toward the first detection surface or the second detection surface.
3. The shaft breakage warning device of claim 2, wherein when the biplanar nut rotates, the first detection surface and the second detection surface rotate synchronously, and the sensor detects the alternating of the first detection surface and the second detection surface and converts the alternating into an electric signal to be transmitted to a control system.
4. A shaft break alarm device according to claim 1, wherein the connecting assembly includes a first test bearing and a bearing housing seat, the bearing housing seat is installed in the support bearing seat and used for installing the first test bearing, and the first test bearing is installed on a test shaft.
5. A shaft breakage warning device as claimed in claim 4, further comprising a load force applying assembly mounted on the test shaft between the pair of support bearing seats, the load force applying assembly comprising:
the pair of second test bearings are arranged on the test shaft, an outer ring space ring is arranged between the pair of second test bearings, and an inner ring space ring is arranged between the second test bearings and the first test bearing;
and the bearing sleeve is sleeved on the bearing outer rings of the second test bearings, and end covers are further arranged at two ends of the bearing sleeve.
6. The broken shaft alarm device according to claim 4, further comprising a positioning ring, wherein the positioning ring is arranged on the test shaft and is abutted against the first test bearing, and the positioning ring and the double-plane nut are respectively positioned in the two support bearing seats.
7. A shaft break warning device in accordance with claim 4, wherein said transmission assembly comprises:
the coupler is arranged at one end, far away from the biplane nut, of the test shaft;
and one end of the transmission shaft is inserted into the coupler, and the other end of the transmission shaft is provided with a transmission wheel and is used for being connected with an external driving unit.
8. A shaft break alarm device according to claim 7, wherein the transmission assembly further comprises a transmission bearing seat, a bearing unit is arranged in the transmission bearing seat, and the transmission shaft penetrates through the bearing unit and then is inserted into the coupler.
9. A shaft break alarm device according to claim 8, further comprising a base plate, wherein the transmission bearing seat and the pair of support bearing seats are both disposed on the base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221840055.XU CN218412030U (en) | 2022-07-14 | 2022-07-14 | Broken shaft alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221840055.XU CN218412030U (en) | 2022-07-14 | 2022-07-14 | Broken shaft alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218412030U true CN218412030U (en) | 2023-01-31 |
Family
ID=85011040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221840055.XU Active CN218412030U (en) | 2022-07-14 | 2022-07-14 | Broken shaft alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218412030U (en) |
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2022
- 2022-07-14 CN CN202221840055.XU patent/CN218412030U/en active Active
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