CN209936844U - Anti-resonance reliability test workbench - Google Patents
Anti-resonance reliability test workbench Download PDFInfo
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- CN209936844U CN209936844U CN201822267988.4U CN201822267988U CN209936844U CN 209936844 U CN209936844 U CN 209936844U CN 201822267988 U CN201822267988 U CN 201822267988U CN 209936844 U CN209936844 U CN 209936844U
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Abstract
The utility model discloses an anti-resonance reliability test workbench, which comprises a bottom frame, a fixed platform arranged on the bottom frame and an anti-vibration component; the top surface of the fixed table is provided with a plurality of T-shaped grooves for fixing the mechanism to be tested; the anti-vibration assembly comprises a bearing plate and a weighting rod, wherein the bearing plate and the weighting rod are arranged on two opposite side surfaces of the underframe, a plurality of storage holes which are uniformly distributed and used for storing the weighting rod are formed in the bearing plate, and the storage holes in the two bearing plates are in one-to-one correspondence. The utility model discloses a prevent resonance's reliability test workstation can effectively reduce and the mechanism to be tested's the resonance that produces between the rotation piece, is favorable to improving the measuring accuracy to slewing mechanism's vibration range.
Description
Technical Field
The utility model relates to a vibration test equipment, concretely relates to prevent reliability test workstation of resonance.
Background
For rotating mechanisms such as a motor spindle, a bearing and the like, errors cannot be avoided in the manufacturing and assembling processes, and the centers of a rotating part and a fixed part in the rotating mechanism are difficult to completely coincide, so that the rotating part rotates eccentrically during actual rotation and generates certain vibration; if the vibration amplitude of the rotating part is too large, the normal operation of related equipment is affected, so that after the rotating mechanism is assembled, vibration detection is needed, the vibration amplitude of the rotating mechanism is qualified, and the reliability of the rotating mechanism is ensured.
In the detection process, a rotating mechanism to be detected is generally installed and fixed on a workbench and is allowed to operate, and meanwhile, the rotating piece is subjected to vibration detection through detection equipment. However, the rotating part can drive the workbench to vibrate to a certain extent in the detection process, so that the workbench and the rotating part resonate, and the vibration of the rotating part per se is influenced due to the resonance, so that the detection precision is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome prior art's is not enough, provides a prevent reliability test workstation of resonance, can avoid and rotate the resonance that produces between the piece, be favorable to improving the measuring accuracy to slewing mechanism's vibration range.
The purpose of the utility model is realized through the following technical scheme:
an anti-resonance reliability test workbench is characterized by comprising a bottom frame, a fixed table arranged on the bottom frame and an anti-vibration assembly; the top surface of the fixed table is provided with a plurality of T-shaped grooves for fixing the mechanism to be tested; the anti-vibration assembly comprises a bearing plate and a weighting rod, wherein the bearing plate and the weighting rod are arranged on two opposite side surfaces of the underframe, a plurality of storage holes which are uniformly distributed and used for storing the weighting rod are formed in the bearing plate, and the storage holes in the two bearing plates are in one-to-one correspondence.
The working principle of the anti-resonance reliability test workbench is as follows:
the mechanism to be tested is fixedly arranged on the fixed table through the T-shaped groove, starts to operate and waits for the test of the detection mechanism; at the moment, the vibration condition of the whole workbench is judged, if the workbench resonates with the mechanism to be tested, the weight and the weight distribution of the workbench are changed by adding the weighting rod, so that the natural vibration frequency of the workbench is changed, and the occurrence of resonance is avoided; when the weighting rod is added, a proper weighting position is found and determined, and the weighting rod is placed on the corresponding storage hole, so that the workbench is kept stable as much as possible, the vibration consumption of the mechanism to be tested is reduced, and the testing precision is improved. Because be equipped with a plurality of even storage holes on the loading board, consequently, can carry out effectual aggravating treatment through the vibration law of mechanism to be measured and workstation in aggravating the in-process, at the corresponding position of loading board, place the aggravation pole, keep the stability of workstation, effectively avoid the resonance phenomenon that takes place between workstation and the mechanism to be measured.
The utility model discloses an optimal scheme, wherein, be equipped with the mounting hole that is used for installing the loading board of a plurality of vertical arrangements on the chassis, be equipped with a plurality of connecting holes that match with the mounting hole on the loading board, the loading board passes through bolted connection and fixes on the chassis. Like this, just can carry out vertical position control to the loading board, further enlarge the scope of adjusting of aggravating to the workstation, be favorable to more can aggravate the processing on the position that corresponds, ensure that the workstation can remain stable in the test procedure, improve the measuring accuracy.
The utility model discloses an optimal scheme, the storage hole on one of them loading board is the blind hole, and the department of correspondence in every storage hole on another loading board all is equipped with the baffle that detachable is used for blocking the weight bar, the baffle passes through the bolt and is connected with the loading board. Through the setting of blind hole and baffle, restricted the shift position of weight bar, avoided the weight bar to drop along with the vibration of workstation in the test procedure.
Preferably, one side of the baffle is connected with the bearing plate through a rotary connecting structure, the other side of the baffle is provided with a fixing screw, and one side of the storage hole is provided with a threaded hole matched with the fixing screw. Like this, just can directly set up on the loading board with the baffle that every storage hole corresponds, can realize the fixed of weighing pole, convenient operation through rotating the baffle and screwing up set screw after the weighing pole has been placed.
Preferably, the storage holes on the bearing plate are arranged in a transverse arrangement and are provided with a plurality of rows. More weight bars can be stored by arranging the bearing plate, so that the stability of the workbench is improved.
The utility model discloses a preferred scheme, the bottom of fixed station is equipped with many storage tanks, many storage tanks arrange the setting in proper order. When the mechanism to be tested is tested for vibration amplitude, the weighting columns can be placed in the storage grooves at proper positions, so that the weight of the whole workbench can be further increased, and the stability of the workbench is improved; simultaneously, can also carry out position coordination with the weight bar of placing on the loading board, be favorable to carrying out effectual protection according to the resonance law that workstation and mechanism to be tested take place, improve the measuring accuracy.
Preferably, the fixing table comprises an upper mounting table and a lower connecting table, and the T-shaped groove is formed in the top surface of the upper mounting table; the storage tank comprises an upper storage tank and a lower storage tank, wherein the upper storage tank is arranged on the bottom surface of the upper mounting table, the lower storage tank is arranged on the top surface of the lower connecting table, and the upper storage tank corresponds to the lower storage tank one to one. The storage tank is formed by adopting a split structure, so that the storage tank is conveniently processed on the fixed table, and the processing cost is reduced.
Preferably, the storage tank has a circular cross-section.
In a preferred scheme of the utility model, an auxiliary weighting frame is arranged on the bottom frame and is suspended on the bottom frame; the auxiliary weighting frame comprises a bottom plate and a plurality of connecting rods, one ends of the connecting rods are connected with the bottom frame, and the other ends of the connecting rods are connected with the bottom plate. Through the arrangement of the auxiliary weighting frame, weighting equipment can be directly placed on the bottom plate, so that the arrangement of workers is facilitated; and different weighting modes can be selected according to the test requirements of the mechanism to be tested, so that the adaptability of the whole workbench is improved.
The utility model discloses an optimal scheme, be equipped with the plastics buffering platform between fixed station and the chassis, through the setting of plastics buffering platform, be favorable to improving the stability of fixed station, also be favorable to reducing the noise that produces when fixed station and chassis take place to vibrate.
Compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses a prevent resonance's reliability test workstation can effectively avoid with the mechanism that awaits measuring resonance that produces between the rotation piece, be favorable to improving the measuring accuracy to slewing mechanism's vibration range.
2. The utility model discloses aggravating the vibration law that the in-process can be through mechanism to be measured and workstation, increasing the weight pole in the corresponding position of loading board, keeping the stability of workstation, effectively avoiding the resonance phenomenon of workstation and mechanism to be measured.
3. The utility model discloses can be according to the mechanism to be tested of difference, aggravate the process and carry out the adaptability adjustment, be favorable to improving the precision of test.
Drawings
Fig. 1-3 are schematic structural diagrams of the anti-resonance reliability testing workbench of the present invention, wherein fig. 1 is a front view, fig. 2 is a side view (the baffle is not completely shown), and fig. 3 is a perspective view (the baffle is not completely shown).
Fig. 4 is an enlarged view of I in fig. 3.
Fig. 5 is a schematic view of the shutter of fig. 4 opened.
Fig. 6 is a front view of the upper mounting station and the lower connecting station.
Fig. 7 is a schematic perspective view of a weighting column.
Fig. 8 is a perspective view of the weight bar.
Detailed Description
The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
Referring to fig. 1 to 8, the anti-resonance reliability test bench of the present embodiment includes a base frame 1, a fixing table 3 disposed on the base frame 1, and an anti-vibration assembly; the top surface of the fixed table 3 is provided with a plurality of T-shaped grooves 9 for fixing a mechanism to be tested; the anti-vibration assembly comprises a bearing plate 17 and a weighting rod 19 which are arranged on two opposite side surfaces of the underframe 1, wherein a plurality of uniformly distributed storage holes 16 used for storing the weighting rod 19 are formed in the bearing plate 17, and the storage holes 16 on the two bearing plates 17 are in one-to-one correspondence.
Referring to fig. 2, a plurality of vertically arranged mounting holes 5 for mounting a bearing plate 17 are formed in the bottom frame 1, a plurality of connecting holes 6 matched with the mounting holes 5 are formed in the bearing plate 17, and the bearing plate 17 is fixed on the bottom frame 1 through bolt connection. Like this, just can carry out vertical position control to loading board 17, further enlarge the scope of adjusting of aggravating to the workstation, be favorable to more aggravating the processing on the position that corresponds, ensure that the workstation can remain stable in the test procedure, improve the measuring accuracy.
Referring to fig. 2-5, the storage holes 16 on one of the bearing plates 17 are blind holes, and a detachable baffle 20 for blocking the weight bar 19 is disposed at a position corresponding to each storage hole 16 on the other bearing plate 17, and the baffle 20 is connected to the bearing plate 17 through a bolt. Through the setting of blind hole and baffle 20, restricted the shift position of weight bar 19, avoided weight bar 19 to drop along with the vibration of workstation in the test procedure.
Referring to fig. 2-5, one side of the baffle 20 is connected with the bearing plate 17 through the rotary connecting structure 18, the other side is provided with a fixing screw 21, and one side of the storage hole 16 is provided with a threaded hole matched with the fixing screw 21. Therefore, the baffle 20 corresponding to each storage hole 16 can be directly arranged on the bearing plate 17, and after the weight bar 19 is placed, the weight bar 19 can be fixed by rotating the baffle 20 and screwing the fixing screw 21, so that the operation is convenient.
Referring to fig. 2, the storage holes 16 on the bearing plate 17 are arranged in a transverse arrangement, and two rows are provided. The bearing plate 17 can store more weight rods 19, and stability of the workbench is improved.
In the actual measurement process, a fixed sleeve made of anti-skid rubber can be arranged on the inner wall of the storage hole. After the weighting rod 19 is placed in the storage holes 16 of the two bearing plates 17, the fixed sleeve is sleeved into the storage holes 16 of the two bearing plates 17 from the two ends of the weighting rod 19, so that the weighting rod 19 can be fixed together with the bearing plates 17, the weighting rod 19 and the workbench are favorable for forming a fixed whole, a gap is prevented from being formed between the weighting rod 19 and the bearing plates 17, the vibration amplitude is increased, and the test precision is influenced.
Referring to fig. 2, 3 and 6, a plurality of storage slots 10 are formed in the bottom of the fixed table 3, the cross section of each storage slot 10 is circular, and the plurality of storage slots 10 are sequentially arranged. When the mechanism to be tested is tested for vibration amplitude, the weighting column 13 can be placed in the storage groove 10 at a proper position, so that the weight of the whole workbench can be further increased, and the stability of the workbench is improved; meanwhile, the position of the device can be matched with a weighting rod 19 placed on the bearing plate 17, so that effective protection can be performed according to the resonance rule of the workbench and the mechanism to be tested, and the testing precision is improved.
Referring to fig. 6, the fixing table 3 includes an upper mounting table 12 and a lower connecting table 11, and the T-shaped groove 9 is disposed on the top surface of the upper mounting table 12; the storage tank 10 is composed of an upper storage tank 14 and a lower storage tank 15, wherein the upper storage tank 14 is arranged on the bottom surface of the upper mounting table 12, the lower storage tank 15 is arranged on the top surface of the lower connecting table 11, and the upper storage tank 14 corresponds to the lower storage tank 15 one by one. Adopt split type structure to form storing tank 10, be convenient for process out storing tank 10 on fixed station 3, reduce the processing cost.
Referring to fig. 1-3, an auxiliary weighting frame 4 is arranged on the base frame 1, and the auxiliary weighting frame 4 is suspended on the base frame 1; the auxiliary weighting frame 4 comprises a bottom plate 7 and a plurality of connecting rods 8, one ends of the connecting rods 8 are connected with the bottom frame 1, and the other ends of the connecting rods are connected with the bottom plate 7. Through the arrangement of the auxiliary weighting frame 4, weighting equipment can be directly placed on the bottom plate 7, so that the arrangement of workers is facilitated; and different weighting modes can be selected according to the test requirements of the mechanism to be tested, so that the adaptability of the whole workbench is improved.
Referring to fig. 1-3, a plastic buffer table 2 is disposed between the fixed table 3 and the bottom frame 1, and the plastic buffer table 2 is disposed to improve the stability of the fixed table 3 and reduce noise generated when the fixed table 3 and the bottom frame 1 vibrate.
Referring to fig. 1 to 8, the working principle of the anti-resonance reliability testing workbench of the present embodiment is as follows:
the mechanism to be tested is fixedly arranged on the fixed table 3 through the T-shaped groove 9, starts to operate and waits for the test of the detection mechanism; at the moment, the vibration condition of the whole workbench is judged, if the workbench resonates with the mechanism to be tested, the weight and the weight distribution of the workbench are changed by adding the weighting rod 19, so that the natural vibration frequency of the workbench is changed, and the occurrence of resonance is avoided; when the weighting rod 19 is added, a proper weighting position is found and determined, and the weighting rod 19 is placed on the corresponding storage hole 16, so that the workbench is kept as stable as possible, the vibration consumption of the mechanism to be tested is reduced, and the testing precision is improved. Because the bearing plate 17 is provided with the plurality of uniform storage holes 16, the bearing plate 17 can be effectively weighted at the corresponding position of the bearing plate 17 through the vibration rule of the mechanism to be tested in the weighting process, so that the stability of the workbench is maintained, and the resonance phenomenon of the workbench and the mechanism to be tested is effectively avoided.
The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (10)
1. An anti-resonance reliability test workbench is characterized by comprising a bottom frame, a fixed table arranged on the bottom frame and an anti-vibration assembly; the top surface of the fixed table is provided with a plurality of T-shaped grooves for fixing the mechanism to be tested; the anti-vibration assembly comprises a bearing plate and a weighting rod, wherein the bearing plate and the weighting rod are arranged on two opposite side surfaces of the underframe, a plurality of storage holes which are uniformly distributed and used for storing the weighting rod are formed in the bearing plate, and the storage holes in the two bearing plates are in one-to-one correspondence.
2. The anti-resonance reliability testing workbench according to claim 1, wherein a plurality of vertically arranged mounting holes for mounting a bearing plate are provided on said bottom frame, a plurality of connecting holes matching with the mounting holes are provided on said bearing plate, and said bearing plate is fixed on the bottom frame by means of bolt connection.
3. The anti-resonance reliability testing workbench according to claim 1 or 2, wherein the storage holes of one of the bearing plates are blind holes, and a detachable baffle for blocking the weighting bar is disposed at the corresponding position of each storage hole of the other bearing plate, and the baffle is connected with the bearing plates through bolts.
4. The anti-resonance reliability testing workbench according to claim 3, wherein one side of the baffle is connected with the bearing plate through a rotary connecting structure, the other side is provided with a fixing screw, and one side of the storage hole is provided with a threaded hole matched with the fixing screw.
5. The anti-resonance reliability testing station according to claim 1, wherein the storage holes of the carrier plate are arranged in a transverse array and are provided in two rows.
6. The anti-resonance reliability test platform according to claim 1, wherein a plurality of storage slots are formed in the bottom of the fixing platform, and the storage slots are arranged in sequence.
7. The anti-resonance reliability test bench according to claim 6, wherein the fixing table comprises an upper mounting table and a lower connecting table, and the T-shaped groove is provided on the top surface of the upper mounting table; the storage tank comprises an upper storage tank and a lower storage tank, wherein the upper storage tank is arranged on the bottom surface of the upper mounting table, the lower storage tank is arranged on the top surface of the lower connecting table, and the upper storage tank corresponds to the lower storage tank one to one.
8. The anti-resonance reliability test bench of claim 6 wherein the storage trough is circular in cross-section.
9. The anti-resonance reliability test bench according to claim 1, wherein an auxiliary weighting frame is provided on the base frame, and the auxiliary weighting frame is suspended on the base frame; the auxiliary weighting frame comprises a bottom plate and a plurality of connecting rods, one ends of the connecting rods are connected with the bottom frame, and the other ends of the connecting rods are connected with the bottom plate.
10. The anti-resonance reliability test bench of claim 1 wherein a plastic bumper is disposed between the fixture table and the base frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267988.4U CN209936844U (en) | 2018-12-29 | 2018-12-29 | Anti-resonance reliability test workbench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267988.4U CN209936844U (en) | 2018-12-29 | 2018-12-29 | Anti-resonance reliability test workbench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209936844U true CN209936844U (en) | 2020-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822267988.4U Active CN209936844U (en) | 2018-12-29 | 2018-12-29 | Anti-resonance reliability test workbench |
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| Country | Link |
|---|---|
| CN (1) | CN209936844U (en) |
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2018
- 2018-12-29 CN CN201822267988.4U patent/CN209936844U/en active Active
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Address after: Building 15, compound No.100, Xianlie Middle Road, Guangzhou, Guangdong 510075 Patentee after: Institute of intelligent manufacturing, Guangdong Academy of Sciences Address before: Building 15, compound No.100, Xianlie Middle Road, Guangzhou, Guangdong 510075 Patentee before: GUANGDONG INSTITUTE OF INTELLIGENT MANUFACTURING |