CN113281037A - Moment calibration test bed of coupler - Google Patents

Abstract

The utility model relates to a moment calibration test bench of shaft coupling, it includes the stage body, the stage body is provided with drive arrangement and calibration device, calibration device's center is located same vertical line with drive arrangement's center, the stage body has a horizontal upper surface, drive arrangement and calibration device's the horizontal upper surface of the vertical line perpendicular to stage body in center, drive arrangement and calibration device all are located the below of shaft coupling, and it is fixed then that diaphragm flange or pressure flange are circumference with calibration device drive arrangement and center seat are circumference fixed. This application has the effect that promotes detection efficiency.

Description

Moment calibration test bed of coupler

Technical Field

The application relates to the field of couplers, in particular to a torque calibration test bed of a coupler.

Background

Couplings are used to transfer motion and torque, enabling shafts in different mechanisms to be coupled for rotation together. The coupling can be used in a variety of devices. The coupling of the wind driven generator is used for connecting an output shaft of a gear transmission case and a rotating shaft of a generator rotor, wind energy is converted into electric energy, and in order to protect the generator when the transmission torque of the wind driven generator exceeds the limit of the transmission torque, a torque limiter is arranged in the coupling for slip protection. After the torque limiter of the coupling is assembled, the slip torque of the torque limiter needs to be calibrated, and the calibration is generally carried out through corresponding test equipment.

The patent with the patent publication number of 103323232B discloses a calibration test bed and a calibration method for the slip moment of a coupler of a wind driven generator, wherein a torque output detection mechanism mainly comprises a torque detection support, a bearing seat, a ball bearing, a bearing bush, a bearing end cover, a coupler output shaft flange, an output clamp flange, a torque detection flange shaft, a torque lever, a joint bearing, a threaded connector, a pull pressure sensor and a torque measurement fixed block; the torque detection support is positioned by a bottom plate through a flat key longitudinally arranged in the middle of the surface, sleeved in T-shaped bolts in T-shaped grooves on two sides of the upper surface of the bottom plate and fixed by nuts. During calibration, the torque loading mechanism and the torque output detection mechanism are adjusted to be coaxial, the axial distance between the torque loading mechanism and the torque output detection mechanism is equal to the length of a coupler of the wind driven generator, and the loading support and the torque detection support are fastened on the bottom plate through nuts.

In view of the above related technologies, the inventor thinks that the distance between the loading support and the torque detection support needs to be adjusted according to the length of the coupler before the coupler is calibrated and mounted, and after the coupler is placed between the two supports, one support is moved to fix the bolt, so that the assembly process is relatively troublesome.

Disclosure of Invention

In order to improve the efficiency of demarcating among the test process, this application provides a moment of coupling demarcation test bench.

The application provides a moment calibration test bench of coupling adopts following technical scheme:

the moment calibration test bed of the coupler comprises a bed body, wherein the bed body is provided with a driving device and a calibration device, the center of the calibration device and the center of the driving device are located on the same vertical line, the bed body is provided with a horizontal upper surface, the center vertical lines of the driving device and the calibration device are perpendicular to the horizontal upper surface of the bed body, the driving device and the calibration device are both located below the coupler, and when a diaphragm flange or a pressure flange and the calibration device are circumferentially fixed, the driving device and a center seat are circumferentially fixed.

By adopting the technical scheme, when the coupler is placed on the platform body by depending on the self gravity of the coupler to be tested, the diaphragm flange or the pressure flange of the coupler is circumferentially fixed with the calibration device, the center seat and the center of the driving device are coaxial, the center seat and the driving device are circumferentially fixed, the driving device applies torque to the center seat, and the moment calibration value of the coupler to be tested is determined by the calibration device. In the installation process before the detection, the staff only need with whole shaft coupling from last to putting the horizontal upper surface of stage body down, then accomplish with calibration device, drive arrangement's cooperation, and need not to go to adjust the distance between calibration device and the drive arrangement, the assembly process before the whole test is relatively quick, can raise the efficiency.

Optionally, the calibration device includes a calibration block located above the horizontal upper surface of the stage body, and a sensor mechanism connected to the stage body and used for detecting a torque of the calibration block, the calibration block is circumferentially fixed to the diaphragm flange or the pressure flange, the calibration block is connected to the sensor mechanism and transmits a torque to the sensor mechanism, the calibration block and the stage body are provided with a through hole for penetrating through the center seat and being connected to the driving device, and the calibration block is coaxial with a central vertical line of the driving device.

Through adopting above-mentioned technical scheme, it is fixed with diaphragm flange or pressure flange and calibration piece circumference, drive arrangement is after applying the moment of torsion to the center seat, can transmit the moment of torsion to diaphragm flange and pressure flange department, then can utilize sensor mechanism to play the detection effect to the moment of torsion that the diaphragm flange receives, because calibration piece and drive arrangement are coaxial and the center seat can pass the through hole and be connected with drive arrangement, then after diaphragm flange or pressure flange have been installed, coaxial coupling is also realized in step to center seat and drive arrangement, the installation has been simplified, the efficiency is improved.

Optionally, drive arrangement includes actuating mechanism and installation mechanism, actuating mechanism is fixed in the bottom surface of stage body and actuating mechanism's output is located the horizontal projection of clearing hole, installation mechanism is used for center seat fixed connection in actuating mechanism's output, the central axis of actuating mechanism output is coaxial and is located the below of center seat with center seat, the central axis of actuating mechanism output is coaxial with the diaphragm flange.

By adopting the technical scheme, the installation mechanism enables the center seat to be stably connected with the output end of the driving mechanism, the output end of the driving mechanism can keep the stability of force transmission when applying torque to the center seat, and after the center seat is connected with the driving mechanism, the diaphragm flange and the output end of the driving mechanism can be synchronously coaxial, so that the installation process is simplified, the efficiency is improved, and the overall inspection precision can be improved.

Optionally, the mounting mechanism includes a mounting screw threadedly connected to the driving mechanism, and a mounting plate connected to the mounting screw and abutting the central seat against the output end of the driving mechanism.

Through adopting above-mentioned technical scheme, utilize installation screw threaded connection in actuating mechanism, then can move the mounting panel towards the center seat when rotating the installation screw to utilize the mounting panel to support the center seat tightly on actuating mechanism, thereby make actuating mechanism can be more stable when exerting the moment of torsion for the center seat, can not produce relative rotation between the two.

Optionally, the driving mechanism comprises a driving piece and a mounting piece, the driving piece is fixed on the bottom surface of the table body, the output end of the driving piece is located in the horizontal projection of the through hole, the mounting piece is fixed at the output end of the driving piece, and the mounting piece is embedded and matched with the end surface of the center seat to realize circumferential fixing with the center seat.

Through adopting above-mentioned technical scheme, inlay the installed part and establish the bottom face that cooperates the center seat, make installed part and center seat bottom personally submit circumference fixed, then under the moment of torsion input of driving piece, can exert the moment of torsion to the center seat, can let the installed part exert a power that drives the center seat and revolve round its center.

Optionally, the calibration piece is provided with a plurality of stoppers that are used for being circumference fixed with diaphragm flange or pressure flange along circumference, the stopper can be dismantled and connect in the calibration piece, spacing bottom of the post portion integrated into one piece has first voussoir, the inclined plane below butt of first voussoir has the second voussoir, second voussoir bottom is provided with pegs graft in the calibration piece and is coaxial spliced pole with spacing post, vertical direction sliding connection has the support along first voussoir, horizontal direction sliding connection is followed to the second voussoir in support and spliced pole, be provided with the drive arrangement who drives the second voussoir and remove along the horizontal direction on the support.

Through adopting above-mentioned technical scheme, utilize the stopper can realize that the circumference of calibration piece and diaphragm flange is fixed, make the moment of torsion that the diaphragm flange received can be stable transmit to the calibration piece on to be convenient for play the detection action to the moment of torsion that the calibration piece received. The driving device can drive the second wedge block to move, the first wedge block can be pushed in the vertical direction by the aid of the inclined plane action of the second wedge block, accordingly, the height between the diaphragm flange and the upper surface of the calibration block can be changed, the distance between the center seat and the driving device can be changed, and the calibration device can be suitable for products of different models.

Optionally, the sensor mechanism includes a plurality of pressure sensors uniformly arranged along the circumferential direction of the calibration block, one end of each pressure sensor is fixed to the table body, and the other end of each pressure sensor is connected to the calibration block.

By adopting the technical scheme, a plurality of pressure sensors can be used for detecting a plurality of points in the circumferential direction of the calibration block, and the accuracy in the whole calibration process can be judged by comparing different detection positions, so that the calibration result is more accurate.

Optionally, the calibration device further includes a temperature sensor connected to the pressure flange.

Through adopting above-mentioned technical scheme, can play the monitoring role to pressure flange's temperature through temperature sensor at the demarcation in-process, after the centre seat begins to skid, can monitor pressure flange's temperature, then can go to judge whether whole product accords with corresponding requirement according to the temperature, even then the moment of skidding that marks accords with the requirement, but the temperature is too high, then has represented this product and still not accord with the requirement.

Optionally, the installed part can be dismantled and connect in the driving piece, the installed part deviates from driving piece one side and evenly is provided with many locating levers, many along the radial sliding connection of installed part in installed part, the installed part rotates and is connected with and drives many locating levers in step and follow the radial gliding adjusting ring of installed part.

Through adopting above-mentioned technical scheme, can select different installed parts according to the structure of the moment limiter that actually treats the demarcation to can change the distance between locating lever and the installed part center under the drive of adjusting ring, thereby adapt to the moment limiter of more different structures.

Optionally, the stage body is provided with screws up the device, screws up the device including arranging the support body of stage body level upper surface in, along vertical direction sliding connection in the shift ring of support body, rotate the linkage gear ring of connecting in the shift ring inner wall, meshing in linkage gear ring inner wall and rotate and connect in a plurality of gears of screwing up of shift ring, it is a plurality of screw up the gear and establish with bolt one-to-one on the pressure flange and overlap, the axial of screwing up the gear is vertical setting.

Through adopting above-mentioned technical scheme, at the in-process of rotating one of them tightening gear, can borrow by all tightening gear rotations of gear ring synchronous drive to drive all bolts and rotate and change the clamp force between pressure flange and the diaphragm flange, keep the clamp force of whole moment limiter each position even, thereby promote the degree of accuracy of demarcation.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by utilizing the calibration device and the driving device which are connected to the table body and the centers of which are positioned on the same vertical line, the moment limiter is convenient to place, and the efficiency is improved;

2. the temperature sensor can be used for monitoring the temperature in the slipping process, and when the pressure sensor detects that the torque reaches a certain value, whether the temperature value in a period of time meets the requirement is observed, so that the accuracy of product detection is further improved;

3. utilize tightening device can carry out synchronous rotation to the bolt on a plurality of pressure flanges to keep pressure unanimous, promote the degree of accuracy of demarcation.

Drawings

Fig. 1 is a schematic structural view of the torque limiter of the present embodiment.

Fig. 2 is a sectional view of the torque limiter of the embodiment.

Fig. 3 is a schematic structural diagram of a torque calibration test bed of the coupling according to the embodiment 1.

Fig. 4 is a schematic structural diagram of a moment calibration test bed of a coupling according to embodiment 1, which is mainly used for embodying a calibration device.

Fig. 5 is a schematic structural diagram of a moment calibration test bed of a coupling according to embodiment 1, which is mainly used for embodying a driving device.

Fig. 6 is a schematic structural diagram of a moment calibration test bed of a coupling according to the embodiment 2, which is mainly used for embodying a driving device.

Fig. 7 is a schematic structural diagram of a moment calibration test bed of a coupling according to the embodiment 3, which is mainly used for embodying a driving device.

Fig. 8 is a schematic structural diagram of a torque calibration test bed of a coupling according to embodiment 4, which is mainly used for embodying a tightening device.

Fig. 9 is an enlarged view of a portion I of fig. 8.

Fig. 10 is a partial schematic configuration diagram of embodiment 5.

Fig. 11 is a partial sectional view of the present embodiment 5.

Fig. 12 is a partial sectional view of the present embodiment 6.

Description of reference numerals: 1. a diaphragm flange; 2. a center seat; 21. pressing a ring; 3. a pressure flange; 4. a friction plate; 5. a key position slot; 6. positioning holes; 7. fastening a bolt; 8. a table body; 81. mounting a screw hole; 82. a horizontal upper surface; 9. a drive device; 91. a drive mechanism; 911. a drive member; 9111. a drive motor; 9112. a speed reducer; 912. a mounting member; 92. an installation mechanism; 921. installing a screw rod; 922. mounting a plate; 923. tightly abutting the nut; 10. a calibration device; 101. calibrating the block; 1011. calibrating a center block; 1012. calibrating a connecting block; 102. a sensor mechanism; 1021. mounting blocks; 1022. a pressure sensor; 11. a limiting hole; 12. a limiting column; 13. cushion blocks; 14. through the hole; 15. a key block; 16. a temperature sensor; 17. a clamping groove; 18. locking the bolt; 19. positioning a rod; 20. an adjustment groove; 22. adjusting the sliding block; 23. an adjustment ring; 24. a chute; 25. adjusting the column; 26. tightening the device; 261. a frame body; 2611. a column; 262. a moving ring; 2621. a moving block; 263. a linked gear ring; 264. screwing down the gear; 27. a rotating shaft; 28. a linkage sleeve; 29. a drive ring; 30. a first wedge; 31. a second wedge; 32. connecting columns; 33. a support; 34. a lifting groove; 35. a sliding groove; 36. driving the screw; 37. a first bevel gear; 38. a second bevel gear; 39. a synchronizing gear; 40. a ring gear; 41. and a limiting block.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

Referring to fig. 1 and 2, the moment limiter of the coupler comprises a diaphragm flange 1, a center seat 2 and a pressure flange 3, wherein the center seat 2 is cylindrical, two ends of the center seat 2 penetrate through the centers of the diaphragm flange 1 and the pressure flange 3 respectively, a pressing ring 21 is integrally formed on the outer wall of the center seat 2, when the center seat is connected, the pressing ring 21 is arranged between the diaphragm flange 1 and the pressure flange 3, and the diaphragm flange 1 and the pressure flange 3 are fastened through a fastening bolt 7. And the upper end face and the lower end face of the pressure ring 21 are both provided with a friction plate 4, and the friction plate 4 is annular and sleeved on the outer wall of the center seat 2. Key slots 5 along the radial direction of the central seat 2 are arranged on the bottom surface of the central seat 2, 4 key slots 5 are uniformly arranged along the circumferential direction of the central seat 2, and one end of each key slot 5 penetrates through the outer wall of the central seat 2. A plurality of positioning holes 6 penetrating through two end faces of the diaphragm flange 1 are formed in the diaphragm flange 1 along the circumferential direction of the diaphragm flange, and the central axial direction of the positioning holes 6 is parallel to the central axial direction of the central seat 2.

The embodiment of the application discloses moment calibration test bed of a coupler.

Example 1

Referring to fig. 3, the moment calibration test bed of the coupling comprises a bed body 8 with a horizontal upper surface 82, a driving device 9 connected to the lower surface of the bed body 8 and used for applying torque to a center base 2, a calibration device 10 arranged on the upper surface of the bed body 8 and connected to a diaphragm flange 1 and used for monitoring the torque value, wherein the central vertical lines of the driving device 9 and the calibration device 10 are coincident and vertical to the horizontal upper surface 82 of the bed body 8, when the moment limiter needs to be subjected to moment calibration, the whole moment limiter is placed on the calibration device 10 from top to bottom, at the moment, the diaphragm flange 1 and the calibration device 10 are circumferentially fixed, meanwhile, the driving device 9 can be circumferentially fixed with the central seat 2, the driving device 9 applies torsion to the central seat 2, the calibration device 10 is used for detecting the torsion applied to the whole moment limiter, and the torsion is measured and calculated according to the moment arm.

The table body 8 is a cuboid, a plurality of mounting screw holes 81 which are vertical in the central axial direction are formed in the horizontal upper surface 82 of the table body 8, and the plurality of mounting screw holes 81 can be used for determining the position of the calibration device 10 on the upper surface of the table body 8.

Referring to fig. 3 and 4, the calibration device 10 includes a calibration block 101 disposed above the horizontal upper surface 82 of the table body 8 and a sensor mechanism 102 fixedly mounted on the horizontal upper surface 82 of the table body 8, the calibration block 101 includes a calibration center block 1011, and 4 calibration connection blocks 1012 integrally formed on an outer side wall of the calibration center block 1011 and uniformly arranged along a circumferential direction, and the calibration connection blocks 1012 are disposed above the horizontal upper surface 82 of the table body 8 through the sensor mechanism 102. The upper surfaces of the calibration center block 1011 and the calibration connecting block 1012 are respectively provided with a plurality of limiting holes 11, 4 limiting holes 11 with the same distance with the center of the calibration center block 1011 form a group, the distance or the angle between the limiting holes 11 of different groups and the center of the calibration center block 1011 is different, according to the size of the actual moment limiter, a limiting post 12 is inserted in the limiting hole 11, one end of the limiting post 12 far away from the limiting hole 11 is inserted in the positioning hole 6 of the diaphragm flange 1, and the middle section of the limit post 12 is integrally formed with a cushion block 13 with a diameter larger than that of the limit post 12, the cushion block 13 has a certain thickness, when the diaphragm flange 1 is arranged above the calibration block 101, the upper surface of the cushion block 13 is abutted against the lower surface of the diaphragm flange 1, the lower surface of the cushion block 13 is abutted against the upper surface of the calibration block 101, the spacing posts 12 with spacers 13 of different thicknesses can be selected according to different moment limiters. Before calibration, the positioning hole 6 and the limiting column 12 on the diaphragm flange 1 of the whole moment limiter are inserted, so that circumferential fixing of the diaphragm flange 1 and the calibration block 101 is realized.

Referring to fig. 4 and 5, in order to synchronously determine the relative position relationship between the moment limiter and the driving device 9 after the relative position between the moment limiter and the calibration block 101 is determined, a through hole 14 with a vertical central axis is formed on the calibration center block 1011, the through hole 14 also penetrates through the horizontal upper surface 82 of the table body 8, when the moment limiter is placed on the upper surface of the calibration block 101, the center seat 2 of the moment limiter and the through hole 14 are coaxially arranged, and the center seat 2 can be connected with the driving device 9 on the lower surface of the table body 8 through the through hole 14, so that the driving device 9 can apply torsion to the center seat 2.

Two groups, 3 groups or 4 groups, are uniformly arranged on the sensor mechanism 102 along the circumferential direction of the calibration center block 1011. The sensor mechanism 102 comprises an installation block 1021 fixedly installed on the table body 8 through bolts, and a pressure sensor 1022 fixedly installed on the installation block 1021, wherein the pressure sensor 1022 is horizontal, two ends of the pressure sensor 1022 are respectively and fixedly connected to opposite side walls of the installation block 1021 and the calibration connecting block 1012, and the outer wall of one end of the pressure sensor 1022 facing the calibration connecting block 1012 is provided with threads and is connected in a threaded hole formed in the calibration connecting block 1012 through the threads. The pressure sensor 1022 can detect the torque transmitted by the diaphragm flange 1, and the torque can be calculated according to the force arm between the pressure sensor 1022 and the center of the central seat 2, so that the detected torque can be monitored.

Referring to fig. 4 and 5, the driving device 9 includes a driving mechanism 91 and an installation mechanism 92, the driving mechanism 91 includes a driving member 911 fixedly installed on the bottom surface of the table body 8 and having an output end located in the horizontal projection of the through hole 14, an installation member 912 connected to the output end of the driving member 911, the driving member 911 is composed of a driving motor 9111 and a speed reducer 9112, the input end of the speed reducer 9112 is connected to the output end of the driving motor 9111, the speed reducer 9112 is fixedly installed on the lower surface of the table body 8, the installation member 912 is a cylinder, the installation member 912 is coaxially and fixedly connected with the output shaft of the speed reducer 9112, key blocks 15 which are embedded with the key slots 5 (shown in fig. 2) in a one-to-one manner are integrally formed on the upper end surface of the installation member 912 facing away from the speed reducer 9112, and the installation member 912 and the center base 2 are circumferentially fixed. When the positioning hole 6 on the diaphragm flange 1 is inserted into the limiting column 12, the key slot 5 on the bottom surface of the central seat 2 is just embedded with the key block 15 after the initial position of the output end of the speed reducer 9112 is adjusted. In order to promote the stability between driving piece 911 and the center seat 2, installation mechanism 92 includes threaded connection in the installation screw 921 of installed part 912 up end center, connect in the mounting panel 922 of installation screw 921, the mounting panel 922 is the cuboid and is located center seat 2 top, sliding connection is worn to establish in the mounting panel 922 center in installation screw 921, be provided with the tight nut 923 that supports of a threaded connection in installation screw 921 at the upper surface of mounting panel 922, the in-process of rotatory tight nut 923 that supports can drive the mounting panel 922 towards center seat 2 one side removal and butt at the up end of center seat 2.

Referring to fig. 5, in order to monitor the temperature during the calibration process, a temperature sensor 16 is disposed on the upper end surface of the diaphragm flange 1 at a position above the corresponding friction plate 4 (indicated in fig. 2), and the temperature sensor 16 is attached to the upper end surface of the diaphragm flange 1.

The calibration device 10 further includes a control terminal, the pressure sensor 1022 and the temperature sensor 16 are respectively electrically connected to a signal input end of the control terminal, the pressure sensor 1022 transmits the pressure value detected by the pressure sensor to the control terminal in real time, and the temperature sensor 16 transmits the temperature value detected by the temperature sensor to the control terminal in real time.

The control terminal is preset with a calibration pressure value, the calibration pressure value is used for indicating the pressure applied by the torque limiter when the torque limiter reaches the calibration torque, and the control terminal receives the pressure value output by the pressure sensor 1022 and compares the received pressure value with the calibration pressure value. The slip moment of the moment limiter is adjusted by changing the pretightening force of the fastening bolt 7, when the pressure value received at the control terminal reaches the calibrated pressure value, the driving motor 9111 continuously drives the center seat 2 to rotate for a certain time and keeps the torque unchanged, and the control terminal extracts the temperature value input to the control terminal by the temperature sensor 16 within the time.

A calibration temperature value is preset in the control terminal and used for indicating a certain temperature value in a temperature value range which can meet the detection requirement of the diaphragm flange 1 under the calibration pressure value, and the calibration temperature value can be adjusted in the temperature range which meets the detection requirement according to the detection standard; and the control terminal compares the temperature value received in the period of time with the calibrated temperature value, if the temperature value received by the control terminal is higher than the calibrated temperature value, the detected product is not in line with the production requirement, otherwise, the detected product is in line with the production requirement.

The implementation process of example 1 is as follows:

step S1: sequentially hoisting a plurality of parts of the torque limiter to be calibrated to the upper part of a table body 8, firstly inserting a positioning hole 6 on a diaphragm flange 1 into a limiting column 12, rotating a center seat 2 to enable a key block 15 on a speed reducer 9112 to be embedded into a key groove 5, then screwing a fastening bolt 7 between the diaphragm flange 1 and a pressure flange 3, and enabling the bottom surface of the diaphragm flange 1 to abut against the upper surface of a cushion block 13;

step S2: a pressing nut 923 above the mounting plate 922 is rotated to enable the mounting plate 922 to be pressed against the upper end face of the central seat 2;

step S3: starting a driving motor 9111 to apply rated torque to the central seat 2 and drive the central seat 2 to slide and rotate, detecting the pressure transmitted from the diaphragm flange 1 by a pressure sensor 1022, multiplying the pressure detected by the pressure sensor 1022 by a force arm between the pressure sensor 1022 and the center of the central seat 2, indirectly detecting the sliding moment of the moment limiter, and if the sliding moment does not reach a torque value corresponding to a preset calibration pressure value, tightening the fastening bolt 7 between the pressure flange 3 and the diaphragm flange 1 by a worker until the preset calibration pressure value is reached, and simultaneously detecting the temperature in the sliding process by a temperature sensor 16;

step S4: keeping the output torque of the driving motor 9111 constant and continuously detecting for a period of time, the temperature sensor 16 inputs the detected temperature value of the diaphragm flange 1 into the control terminal, and the control terminal compares the detected temperature value with the calibrated temperature value, if the temperature value is higher than the calibrated temperature value, the torque limiter is not qualified even if the torque limiter reaches the calibrated torque, otherwise, the torque limiter is qualified.

Example 2

Refer to fig. 6, this embodiment and embodiment 1's difference lie in, installed part 912 is the cylinder, joint groove 17 has been seted up towards one side of reduction gear 9112 output shaft to installed part 912, reduction gear 9112's output shaft outer wall is located to joint groove 17 cover, and threaded connection 18 in the locking bolt of reduction gear 9112 output shaft is worn to be equipped with by the lateral wall of installed part 912, installed part 912 deviates from the upper surface integrated into one piece of reduction gear 9112 and has a plurality of locating levers 19 that evenly set up along circumference, the bolt hole of ordinary ring flange can be worn to locate by locating lever 19, then can treat the structure of demarcation shaft coupling according to the reality, change different installed part 912, thereby promote.

Example 3

Referring to fig. 7, the difference between this embodiment and embodiment 2 is that an end surface of the mounting member 912 facing away from the speed reducer 9112 is provided with adjustment grooves 20 corresponding to the positioning rods 19 one by one, the length direction of the adjustment grooves 20 is arranged along the radial direction of the mounting member 912, the adjustment grooves 20 are slidably connected with adjustment sliders 22 fixedly connected to the bottoms of the positioning rods 19, an adjustment ring 23 is coaxially and rotatably connected to the upper end surface of the mounting member 912, a mounting screw 921 is arranged at the center of the adjustment ring 23 and is in threaded connection with the mounting member 912, the upper end surface of the adjustment ring 23 is provided with inclined slots 24 corresponding to the adjustment sliders 22 one by one in the circumferential direction, the inclined slots 24 are arc-shaped, the distance between one end of each inclined slot 24 and the center of the adjustment ring 23 is smaller than the distance between the other end of each inclined slot 24 and the center of the adjustment ring 23, the adjustment sliders 22 are integrally formed with adjustment posts 25 slidably connected in the inclined slots 24, when the adjustment ring 23 is rotated, can come to exert the effect to the alignment column 25 through chute 24, simultaneously under the limiting displacement of adjustment groove 20, many adjusting sliding blocks 22 can change the distance between alignment rod 19 and the installed part 912 center to the position of alignment rod 19 can be adjusted according to the hole site diameter of different ring flanges. In order to improve the stability of the whole structure, a fixing bolt capable of abutting against the bottom wall of the adjusting groove 20 is connected to each adjusting slider 22 in a penetrating manner.

Example 4

Referring to fig. 8 and 9, the embodiment is different from embodiment 1 in that a tightening device 26 is disposed on the table body 8, the tightening device 26 includes a frame body 261 disposed on the horizontal upper surface 82 of the table body 8, a moving ring 262 is slidably connected to the frame body 261 along the vertical direction, the frame body 261 includes four vertical columns 2611 inserted into the horizontal upper surface 82 of the table body 8, the moving ring 262 is annular and is located above the pressure flange 3, moving blocks 2621 corresponding to the frame body 261 in a one-to-one manner and slidably connected to the side walls of the vertical columns 2611 are integrally formed on the outer wall of the moving ring 262, and the inner peripheral wall of the moving ring 262 penetrates and is communicated with the inside of the moving ring 2621. Referring to fig. 9, the tightening device 26 further includes a linking gear ring 263 disposed in the moving ring 262 and rotatably connected to the moving ring 262, a plurality of tightening gears 264 engaged with an inner ring of the linking gear ring 263, the plurality of tightening gears 264 corresponding to the fastening bolts 7 (indicated in fig. 1) one-to-one, the tightening gears 264 being coaxially and fixedly connected with a rotating shaft 27, the rotating shaft 27 being rotatably connected to the moving ring 262, and a linking sleeve 28 covering a tip of the fastening bolt 7 and circumferentially fixed to the fastening bolt 7 being integrally formed at a bottom of the rotating shaft 27, wherein an upper end of one of the rotating shafts 27 penetrates the moving ring 262 and is connected with the driving ring 29, the driving ring 29 can also be replaced by a small motor, during operation, a person rotates the driving ring 29 to drive one of the tightening gears 264 to rotate, and the linking gear ring 263 is synchronously rotated by the tightening gear 264, so as to drive the other tightening gears 264 to rotate synchronously, the personnel can synchronously push the movable ring 262 downwards during the rotation process, and then synchronously tighten a plurality of fastening bolts 7, and can also insert an extension bar on the driving ring 29 to increase the moment arm during the rotation process. A torque sensor electrically connected to the control terminal may also be provided on the drive ring 29, which can transmit the detected torque value of the fastening bolt 7 to the control terminal and record this value for reference during assembly of the remaining moment limiter. When a small motor is used, the entire moving ring 262 can be directly controlled by the operator to operate.

Example 5

Referring to fig. 10 and 11, the difference between the present embodiment and embodiment 1 is that a first wedge 30 is integrally formed at the bottom of the limit column 12, the upper end surface of the first wedge 30 is horizontal, the lower surface of the first wedge 30 is inclined, a second wedge 31 is abutted under the inclined surface of the first wedge 30, the upper surface of the second wedge 31 is inclined and abutted against the lower surface of the first wedge 30, and the bottom of the second wedge 31 is slidably connected with a connecting column 32 which is inserted into the calibration block 101 and is coaxial with the limit column 12. First voussoir 30 has along vertical direction sliding connection to arrange in calibration piece 101 upper surface and vertical cross-section in the support 33 that is L shape, has seted up vertical and the cross-section is the lift groove 34 that T appears on the support 33, and a vertical lateral wall sliding connection of first voussoir 30 is in lift groove 34, has seted up the slip groove 35 that level and cross-section are T shape on support 33, and second voussoir 31 sliding connection is in slip groove 35. The connecting column 32 is fixedly connected to the bracket 33, so that the connecting column 32 and the limiting column 12 are coaxial, meanwhile, the bottom of the second wedge 31 is in sliding connection with the upper end of the connecting column 32 along the radial direction of the diaphragm flange 1, and the upper end face of the connecting column 32 is in integral forming and sliding connection with the bottom of the second wedge 31 and is fixedly connected to the limiting block 41 of the bracket 33.

The bracket 33 is provided with a driving device for driving the second wedge 31 to move, the driving device comprises a driving screw 36 which is rotatably connected to the bracket 33 and is in threaded connection with the second wedge 31, the axial direction of the driving screw 36 is parallel to the radial direction of the membrane flange, and the second wedge 31 can move in the sliding groove 35 under the rotating action of the driving screw 36, so that the first wedge 30 is driven to lift on the bracket 33, and the height between the membrane flange 1 and the calibration block 101 is adjusted.

Example 6

Referring to fig. 12, the embodiment is different from embodiment 5 in that, in order to synchronously adjust a plurality of driving screws 36, the driving device further includes first bevel gears 37 coaxially and fixedly connected to the ends of the driving screws 36, each first bevel gear 37 is engaged with a second bevel gear 38 rotatably connected to the support 33, the axial direction of the second bevel gear 38 is vertical, the second bevel gear 38 is coaxially and fixedly connected with a synchronizing gear 39, a plurality of synchronizing gears 39 are engaged with a same gear ring 40, a plurality of synchronizing gears 39 are engaged with the outer ring of the gear ring 40, and the gear ring 40 is rotatably connected to the support 33 around the central axial direction thereof.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a moment calibration test bench of shaft coupling, includes stage body (8), its characterized in that: the novel high-pressure gas pressure measuring platform is characterized in that the platform body (8) is provided with a driving device (9) and a calibration device (10), the center of the calibration device (10) and the center of the driving device (9) are located on the same vertical line, the platform body (8) is provided with a horizontal upper surface (82), the center vertical lines of the driving device (9) and the calibration device (10) are perpendicular to the horizontal upper surface (82) of the platform body (8), the driving device (9) and the calibration device (10) are located below the coupler, and when the diaphragm flange (1) or the pressure flange (3) and the calibration device (10) are circumferentially fixed, the driving device (9) and the center base (2) are circumferentially fixed.

2. The torque calibration test bed of a coupling according to claim 1, characterized in that: the calibration device (10) comprises a calibration block (101) located above the horizontal upper surface (82) of the table body (8) and a sensor mechanism (102) connected to the table body (8) and used for detecting the moment of the calibration block (101), the calibration block (101) is circumferentially fixed with the diaphragm flange (1) or the pressure flange (3), the calibration block (101) is connected to the sensor mechanism (102) and transmits the moment to the sensor mechanism (102), the calibration block (101) and the table body (8) are communicated with a through hole (14) used for penetrating through the center seat (2) and being connected with the driving device (9), and the calibration block (101) and the center vertical line of the driving device (9) are coaxial.

3. The torque calibration test bed of a coupling according to claim 2, characterized in that: drive arrangement (9) are including actuating mechanism (91) and installation mechanism (92), actuating mechanism (91) are fixed in the bottom surface of stage body (8) and the output of actuating mechanism (91) is located the horizontal projection through hole (14), installation mechanism (92) are used for with center seat (2) fixed connection in the output of actuating mechanism (91), the central axis of actuating mechanism (91) output is coaxial and is located the below of center seat (2) with center seat (2), the central axis of actuating mechanism (91) output is coaxial with diaphragm flange (1).

4. A torque calibration test stand of a coupling according to claim 3, characterized in that: the mounting mechanism (92) comprises a mounting screw (921) which is in threaded connection with the driving mechanism (91) and a mounting plate (922) which is connected with the mounting screw (921) and tightly supports the center seat (2) to the output end of the driving mechanism (91).

5. A torque calibration test stand of a coupling according to claim 3, characterized in that: the driving mechanism (91) comprises a driving piece (911) which is fixed on the bottom surface of the table body (8) and the output end of the driving piece is positioned in the horizontal projection of the through hole (14), and an installation piece (912) which is fixed on the output end of the driving piece (911), wherein the installation piece (912) is embedded and matched with the end surface of the center seat (2) to realize circumferential fixation with the center seat (2).

6. The torque calibration test bed of a coupling according to claim 2, characterized in that: calibration piece (101) are provided with a plurality of spacing posts (12) that are used for being circumference fixed with diaphragm flange (1) or pressure flange (3) along circumference, spacing post (12) can be dismantled and connect in calibration piece (101), spacing post (12) bottom integrated into one piece has first voussoir (30), the inclined plane below butt joint of first voussoir (30) has second voussoir (31), second voussoir (31) bottom is provided with pegs graft in calibration piece (101) and be coaxial spliced pole (32) with spacing post (12), first voussoir (30) have support (33) along vertical direction sliding connection, second voussoir (31) are along horizontal direction sliding connection in support (33) and spliced pole (32), be provided with the drive arrangement that drives second voussoir (31) along the horizontal direction removal on support (33).

7. The torque calibration test bed of a coupling according to claim 5, wherein: the sensor mechanism (102) comprises a plurality of pressure sensors (1022) which are uniformly arranged along the circumferential direction of the calibration block (101), one end of each pressure sensor (1022) is fixed to the table body (8) and the other end of each pressure sensor is connected to the calibration block (101).

8. The torque calibration test bed of a coupling according to claim 1, characterized in that: the calibration device (10) further comprises a temperature sensor (16) connected to the pressure flange (3).

9. The torque calibration test bed of a coupling according to claim 5, wherein: installation part (912) can be dismantled and connect in driving piece (911), installation part (912) deviates from driving piece (911) one side and evenly is provided with many locating levers (19), many along the radial sliding connection in installation part (912) of installation part (912), installation part (912) rotate to be connected with and drive many locating levers (19) in step and follow installation part (912) radial gliding adjusting ring (23).

10. The torque calibration test bed of a coupling according to claim 1, characterized in that: the stage body (8) are provided with tightening device (26), tightening device (26) including arrange support body (261) of stage body (8) level upper surface (82), along vertical direction sliding connection in shift ring (262) of support body (261), rotate linkage gear ring (263) of connecting in shift ring (262) inner wall, mesh in linkage gear ring (263) inner wall and rotate a plurality of gears (264) of screwing up of connecting in shift ring (262), it is a plurality of it is fixed that fastening bolt (7) one-to-one and cover on tightening gear (264) and pressure flange (3) are established to be circumference, and the axial of screwing up gear (264) is vertical setting.

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