CN202946581U - Safe torsion resistant connecting device of transmission testing bench - Google Patents
Safe torsion resistant connecting device of transmission testing bench Download PDFInfo
- Publication number
- CN202946581U CN202946581U CN 201120522969 CN201120522969U CN202946581U CN 202946581 U CN202946581 U CN 202946581U CN 201120522969 CN201120522969 CN 201120522969 CN 201120522969 U CN201120522969 U CN 201120522969U CN 202946581 U CN202946581 U CN 202946581U
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- torsion resistant
- torsion
- bolt
- turning round
- safe
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a safe torsion resistant connecting device of a transmission testing bench. The safe torsion resistant device comprises two connecting shafts, a protection cover, a switching section and torsion resistant bolts, wherein one end of each of the two connecting shaft is respectively connected with the transmission and the testing bench; the other ends of the two connecting shafts are in transitional fit connection with the switching section through the torsion resistant bolts; torsion resistant sections of which the diameters are smaller than the diameters of the torsion resistant bolts are arranged at the middles of the torsion resistant bolts; the protection cover is mounted outside the switching section; the quantities of two groups of torsion resistant bolts are same; and the torsion resistant bolts are uniformly and circumferentially mounted and are identical in weight, radial mounting position and screwing torque. According to the safe torsion resistant connecting device disclosed by the utility model, damages to a transmission and the testing bench caused by instant stop due to abnormal faults of equipment are avoided and the damages caused by flying due to the break-off of the bolts are prevented.
Description
Technical field
The utility model relates to a kind of safe torsion resistant connecting device of transmission testing bench.
Background technique
To be speed changer in development, production process carry out life test by standard-required or user's regulation with the speed changer test bay, check and accept examination and other tests ground installation used.For reducing energy loss, the speed changer test bay is typically designed to mechanical close formula structure, principle as shown in Figure 1, drive motor drives test bay and drives the speed changer running, by loading system, equipment and speed changer are loaded, enclosed construction realizes that the output power of speed changer is to the transmission of input power.
Traditional design is to couple together with transmission shaft between speed changer and test bay.In process of the test; speed changer or test bay often stop rapidly because the abnormal mechanical failures such as burning in of bearing, rotating element be stuck cause system; the whole Transmitted chains of test bay and speed changer will be subject to temporary impact; cause the weak link failure of test bay or speed changer, cut off locking system and drive motor.In addition, also may because the loading system fault produces overload, cause the Transmitted chains damage in process of the test.When occuring due to fault, the whole Transmitted chains of test bay and speed changer all is subject to temporary impact or overload, therefore must carry out analytical review to whole Transmitted chains, to guarantee to use safety; Simultaneously, also need repair the weak link of destroyed.The loss that fault causes will be very serious.This just needs a kind of safety measure, and timely cutting machine locking system when similar fault occurs avoids test bay or speed changer to produce damage.
Summary of the invention
The purpose of this utility model is to provide a kind of safe anti-twisting equipment, this device is for the linkage structure between speed changer test bay and speed changer, design a kind of safe, anti-connection set of turning round of anti-locking system easy to loading and unloading, guarantee that speed changer in process of the test, does not produce damage to speed changer and test bay when abnormal failure causes instantaneous parking; Simultaneously also should guarantee the maximum load that stable delivery may occur in normal operation.
the technical solution of the utility model is: safe torsion resistant connecting device of transmission testing bench comprises two coupling shafts, a safety cover, a group section and the anti-bolt of turning round, described two coupling shaft one ends are connected with test bay with speed changer respectively, the other end prevents that by two groups turning round the bolt transition fit is connected with group section, the described anti-bolt middle part turned round is provided with diameter less than the anti-anti-section of turning round of turning round the diameter of bolt, the described anti-section of turning round is in the situation that moment of torsion is specified the normal operation, fracture when surpass cutting off moment of torsion stressed, in the group section outside, safety cover is housed, described two groups of anti-quantity of turning round bolt are identical, every group 4～8, be preferably 6, anti-turn round the circumferential uniform installation of bolt and weight identical, radial position is installed identical and adopt identical screw-down torque.Described two groups of anti-parameters of turning round bolt are set to: when rotating speed was 6058 rev/mins, its rated torque was 2050 N.m, and the cut-out moment of torsion is 2290N.m; When rotating speed was 212 rev/mins, its rated torque was 114950N.m, and the cut-out moment of torsion is 160930N.m; When rotating speed was 3495 rev/mins, its rated torque was 820N.m, and the cut-out moment of torsion is 1890N.m.
In use, safe anti-twisting equipment is arranged between equipment gear-box and speed changer, as shown in Figure 2, transmitting torque when normal test run cuts off with protection equipment when the abnormal mechanical failures such as burning in of bearing, rotating element be stuck occur.The utility model has increased group section; connect by the anti-bolt of turning round that is provided with the anti-section of turning round; automatically fracture in the situation that surpass certain moment; guaranteed when the unit exception fault causes instantaneous parking the damage to speed changer and test bay; arrange anti-to turn round the bolt parameters identical; radial position is installed identical and uniform; screw-down torque is identical; can prevent from producing in high-speed motion vibration to the impact of test run; in the group section outside, safety cover is housed, can prevents the injury that bolt flies out and causes when fractureing.
Description of drawings
Fig. 1 is the schematic diagram of transmission test bay;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the anti-schematic cross-section that bolt is installed of turning round of the present utility model;
Fig. 4 is use principle figure of the present utility model.
Embodiment
safe torsion resistant connecting device of transmission testing bench comprises two coupling shafts 1, a safety cover 2, a group section 3 and the anti-bolt 4 of turning round, described two coupling shaft 1 one ends are connected with test bay with speed changer respectively, the other end prevents that by two groups turning round bolt 4 transition fit is connected with group section 3, described anti-bolt 4 middle parts turned round are provided with diameter less than the anti-anti-section of turning round of turning round bolt 4 diameters, the described anti-section of turning round is in the situation that moment of torsion is specified the normal operation, fracture when surpass cutting off moment of torsion stressed, in the group section outside, safety cover 2 is housed, described two groups of anti-quantity of turning round bolt 4 are identical, every group 4～8, be preferably 6, anti-turn round the circumferential uniform installation of bolt 4 and weight identical, radial position is installed identical and adopt identical screw-down torque.Described two groups of anti-parameters of turning round bolt 4 are set to: when rotating speed was 6058 rev/mins, its rated torque was 2050N.m, and the cut-out moment of torsion is 2290N.m; When rotating speed was 212 rev/mins, its rated torque was 114950N.m, and the cut-out moment of torsion is 160930N.m; When rotating speed was 3495 rev/mins, its rated torque was 820N.m, and the cut-out moment of torsion is 1890N.m.
Claims (3)
1. safe torsion resistant connecting device of transmission testing bench, it is characterized in that, safe torsion resistant connecting device of transmission testing bench comprises two coupling shafts (1), a safety cover (2), a group section (3) and the anti-bolt (4) of turning round, described two coupling shafts (1) one end is connected with test bay with speed changer respectively, the other end prevents that by two groups turning round bolt (4) transition fit is connected with group section (3), described anti-bolt (4) middle part turned round is provided with diameter less than the anti-anti-section of turning round of turning round bolt (4) diameter, the described anti-section of turning round is in the situation that moment of torsion is specified the normal operation, fracture when surpass cutting off moment of torsion stressed, in the group section outside, safety cover (2) is housed, described two groups of anti-quantity of turning round bolt (4) are identical, every group 4～8, anti-turn round the circumferential uniform installation of bolt (4) and weight identical, radial position is installed identical and adopt identical screw-down torque.
2. safe torsion resistant connecting device of transmission testing bench as claimed in claim 1, is characterized in that, described two groups of anti-quantity of turning round bolt (4) are 6.
3. safe torsion resistant connecting device of transmission testing bench as claimed in claim 1 or 2, is characterized in that, described two groups of anti-parameters of turning round bolt (4) are set to: when rotating speed was 6058 rev/mins, its rated torque was 2050N.m, and the cut-out moment of torsion is 2290N.m; When rotating speed was 212 rev/mins, its rated torque was 114950N.m, and the cut-out moment of torsion is 160930N.m; When rotating speed was 3495 rev/mins, its rated torque was 820N.m, and the cut-out moment of torsion is 1890N.m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120522969 CN202946581U (en) | 2011-12-13 | 2011-12-13 | Safe torsion resistant connecting device of transmission testing bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120522969 CN202946581U (en) | 2011-12-13 | 2011-12-13 | Safe torsion resistant connecting device of transmission testing bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202946581U true CN202946581U (en) | 2013-05-22 |
Family
ID=48422286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120522969 Expired - Fee Related CN202946581U (en) | 2011-12-13 | 2011-12-13 | Safe torsion resistant connecting device of transmission testing bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202946581U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562842A (en) * | 2011-12-13 | 2012-07-11 | 哈尔滨东安发动机（集团）有限公司 | Safe torsion resistant connecting device of transmission testing bench |
-
2011
- 2011-12-13 CN CN 201120522969 patent/CN202946581U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562842A (en) * | 2011-12-13 | 2012-07-11 | 哈尔滨东安发动机（集团）有限公司 | Safe torsion resistant connecting device of transmission testing bench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130522 Termination date: 20171213 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |