CN213456094U - Rotating machinery fault simulation test bed - Google Patents

Abstract

The utility model provides a rotating machinery fault simulation test bench, including the test bench main part, the middle part of test bench main part sets up the revolving stage, set up the stand on the revolving stage, the upper end of stand sets up the xarm, the tip of xarm sets up hoisting mechanism, hoisting mechanism is including setting up the motor that lifts by crane on the xarm, set up the support on the xarm, set up the winding reel on the support, it is connected with the spindle drive of winding reel through the speed reducer to lift by crane the motor, set up the lifting rope on the winding reel, the tip of xarm sets up the pulley, the lifting rope passes the pulley and sets up fixture at the lower extreme. The utility model discloses pairing rotation mechanical failure simulation test platform improves for part on the test bench need not to climb the height and go up low and many people's cooperation when changing, can easily accomplish the change to the part through lifting by crane the mechanism.

Description

Rotating machinery fault simulation test bed

Technical Field

The utility model relates to a rotating machinery trouble analogue means technical field, concretely relates to rotating machinery trouble analogue test platform.

Background

The rotary machine is a machine that mainly depends on a rotary motion to complete a specific function, and is a machine that is widely used in industry. Typical rotating machines are gas turbines, centrifugal and axial compressors, fans, pumps, water turbines, generators, aircraft engines, and the like. The rotary machine is widely applied to the industries of petrifaction, electric power, metallurgy, coal and the like.

The common faults of the rotating machinery are vibration faults which comprise unbalance, misalignment, bearing damage, resonance and the like, and the excessive vibration can cause the damage of the rotating machinery and even needs shutdown maintenance, so that not only is serious economic loss caused, but also adverse social effects are brought.

In order to deal with the problem, rotation fault simulation is generated at present, analysis of rotation machine faults is important content in courses of mechanical design, equipment state monitoring, fault diagnosis and the like of colleges and universities in China, and a simulation experiment of rotation machine faults is also one of innovative experiments of mechanical specialties of colleges and universities in China. Based on the teaching requirement, a comprehensive experiment platform capable of demonstrating and analyzing the typical fault problem of the rotary machine is provided. The simulation system can simulate typical faults of a shaft system, bearings and gears. However, in the using process of the simulation test bed, parts need to be replaced, the frequency is high, the test bed is made of iron and steel, the weight is large, the width of the test bed is large, people need to carry the parts on the test bed when the parts are replaced, when the parts are installed, cooperation of multiple people is needed, the parts are supported by two people, the installation is carried out by one person, and the trouble is very troublesome, so that a new rotary machine fault simulation test bed is needed.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a rotating machinery fault simulation test bench for part on the test bench need not to climb and low and many people's cooperation on the height when changing, can easily accomplish the change to the part through lifting by crane the mechanism.

For solving the technical problem, the utility model provides a rotating machinery fault simulation test bench, including the test bench main part, the middle part of test bench main part sets up the revolving stage, set up the stand on the revolving stage, the upper end of stand sets up the xarm, the tip of xarm sets up hoisting mechanism, hoisting mechanism is including setting up the motor that lifts by crane on the xarm, set up the support on the xarm, set up the reel on the support, it is connected with the spindle drive of reel through the speed reducer to lift by crane the motor, set up the lifting rope on the reel, the tip of xarm sets up the pulley, the lifting rope passes the pulley and sets up fixture at the lower extreme.

Further, the revolving stage includes the columniform base station, set up the fixed slot in the base station, the fixed slot bottom sets up the bearing, the middle part of fixed slot sets up the bearing of rightting, in the stand inserted the fixed slot, its bottom was connected with the bearing.

Further, the lower part of stand sets up the locking mechanism, the locking mechanism includes the rotary push rod that the stand side set up, rotary push rod's middle part sets up the mounting panel downwards, set up hydraulic push rod on the mounting panel, hydraulic push rod's tip setting and base station complex curved friction disc.

Furthermore, the outer end of the rotating push rod is provided with a handle, and the handle is provided with a first switch connected with the hydraulic push rod and a second switch connected with the hoisting motor.

Furthermore, fixture includes the Y type stay cord that the lifting rope lower extreme set up, two lower extremes of Y type stay cords set up the bearing ring, insert the circular snap ring that has the breach in the bearing ring.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

the stand sets up in the middle part of test bench main part, can rotate on the revolving stage, can drive the xarm like this and rotate for the xarm can be taken care of the all directions of test bench main part. The cross arm is provided with a hoisting mechanism which is driven by a hoisting motor. The hoisting motor is in transmission with the speed reducer, the speed reducer rotates with the winding reel, the winding reel is driven to rotate, and meanwhile the lifting rope can be wound on the winding reel or is in the direction, so that the part can be hoisted and put down. The pulley is located the tip of xarm, turns to the lifting rope, and fixture designs the part of test bench main part, adopts the stay cord of Y type, through the circular snap ring of breach, can press from both sides and get the part that both sides have the column part, like main shaft, gear, uses columniform vaulting pole simultaneously and can also hoist bearing etc..

The utility model discloses pairing rotation mechanical failure simulation test platform improves for part on the test bench need not to climb the height and go up low and many people's cooperation when changing, can easily accomplish the change to the part through lifting by crane the mechanism.

Drawings

Fig. 1 is the structure schematic diagram of the rotating machinery fault simulation test bed of the utility model.

1. A pulley; 2. a lifting rope; 3. a Y-shaped pull rope; 4. a load-bearing ring; 5. a circular snap ring; 6. a notch; 7. a test bed main body; 8. a spool; 9. a support; 10. a speed reducer; 11. a hoisting motor; 12. a cross arm; 13. a column; 14. rotating the push rod; 15. a first switch; 16. a second switch; 17. a handle; 18. mounting a plate; 19. a hydraulic push rod; 20. a friction plate; 21. a base station; 22. fixing grooves; 23. righting the bearing; 24. and a load bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following description will be made with reference to fig. 1 of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Example one

As shown in fig. 1: the utility model provides a rotating machinery trouble simulation test bench, includes test bench main part 7, the middle part of test bench main part 7 sets up the revolving stage, set up stand 13 on the revolving stage, the upper end of stand 13 sets up xarm 12, the tip of xarm 12 sets up lifts by crane the mechanism, it lifts by crane the mechanism including setting up lifting by crane motor 11 on xarm 12, set up support 9 on the xarm 12, set up reel 8 on the support 9, it is connected with the spindle drive of reel 8 through speed reducer 10 to lift by crane motor 11, set up lifting rope 2 on reel 8, the tip of xarm 12 sets up pulley 1, lifting rope 2 passes pulley 1 and sets up fixture in the lower extreme.

Particularly, the cross arm can be adjustable for stretching out and drawing back, can adjust fixture's the position of the point of fall like this, certainly fixed also can, think specific position pulling through manual intervention when fixture uses, need not too big dynamics and also can accurately lift by crane or put down spare part. The stand is fixed through the bolt with being connected of xarm, according to the size of test bench need the part size of lifting by crane promptly, can also add the slant vaulting pole between the connection of the two to this increases the firmness. The speed reducer and the main shaft of the spool are driven by a belt in the figure, but may be driven by a gear.

According to one embodiment of the present invention, as shown in figure 1,

the revolving stage includes columniform base station 21, set up fixed slot 22 in the base station 21, fixed slot 22 bottom sets up bearing 24, the middle part of fixed slot 22 sets up and rights bearing 23, in the stand 13 inserted the fixed slot, its bottom was connected with bearing 24. The stand can be inserted in the fixed slot of base station, and the bearing is located the bottom, and the rotation of stand can be realized to the bearing of rightting is located the middle part.

According to one embodiment of the present invention, as shown in figure 1,

the lower part of stand 13 sets up the locking mechanism, the locking mechanism includes the rotary push rod 14 that stand 13 side set up, rotary push rod 14's middle part sets up mounting panel 18 downwards, set up hydraulic push rod 19 on the mounting panel 18, hydraulic push rod 19's tip set up with base station 21 complex curved friction disc 20. The locking mechanism can be fixed and can avoid that the cross arm is rotatory when lifting by crane, and rotary push rod can promote to make the stand rotatory, and rotatory arrival back operation hydraulic push rod extension for the friction disc laminating is extruded in the base station side, increases frictional force, makes the stand unable rotation.

In one embodiment of the present invention, as shown in figure 1,

the outer end of the rotating push rod 14 is provided with a handle 17, and the handle 17 is provided with a first switch 15 connected with a hydraulic push rod 19 and a second switch 16 connected with the hoisting motor 11. The operation of the rotary push rod can be realized through the handle, and the switch for lifting the motor and the hydraulic push rod is integrated on the handle, so that the operation is more convenient.

In one embodiment of the present invention, as shown in figure 1,

the clamping mechanism comprises a Y-shaped pull rope 3 arranged at the lower end of a lifting rope 2, two lower ends of the Y-shaped pull rope 3 are provided with bearing rings 4, and circular clamp rings 5 with gaps 6 are inserted into the bearing rings 4. The Y-shaped pull rope has flexibility, and cylindrical structures are arranged at two ends of a workpiece, so that the lifting function can be realized by sleeving the circular clamping rings on two sides of the workpiece. The round snap ring is provided with a gap which can be replaced on the bearing ring at any time, so that the bearing ring is suitable for parts with different sizes.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (5)

1. The utility model provides a rotating machinery trouble analogue test platform, includes test bench main part (7), its characterized in that: the middle part of test bench main part (7) sets up the revolving stage, set up stand (13) on the revolving stage, the upper end of stand (13) sets up xarm (12), the tip of xarm (12) sets up lifts by crane the mechanism, it lifts by crane the mechanism including lifting by crane motor (11) that sets up on xarm (12), set up support (9) on xarm (12), set up reel (8) on support (9), it is connected with the spindle drive of reel (8) through speed reducer (10) to lift by crane motor (11), set up lifting rope (2) on reel (8), the tip of xarm (12) sets up pulley (1), lifting rope (2) pass pulley (1) and set up fixture in the lower extreme.

2. The rotating machine fault simulation test rig of claim 1, wherein: the revolving stage includes columniform base station (21), set up fixed slot (22) in base station (21), fixed slot (22) bottom sets up bearing (24), the middle part of fixed slot (22) sets up and rights bearing (23), in stand (13) inserted the fixed slot, its bottom was connected with bearing (24).

3. A rotating machine fault simulation test rig according to claim 2, wherein: the lower part of stand (13) sets up the locking mechanism, the locking mechanism includes rotary push rod (14) that stand (13) side set up, rotary push rod's (14) middle part sets up mounting panel (18) downwards, set up hydraulic push rod (19) on mounting panel (18), the tip setting of hydraulic push rod (19) and base station (21) complex curved friction disc (20).

4. A rotating machine fault simulation test rig according to claim 3, wherein: the outer end of the rotating push rod (14) is provided with a handle (17), and the handle (17) is provided with a first switch (15) connected with a hydraulic push rod (19) and a second switch (16) connected with a hoisting motor (11).

5. The rotating machine fault simulation test rig of claim 4, wherein: the clamping mechanism comprises a Y-shaped pull rope (3) arranged at the lower end of the lifting rope (2), two lower ends of the Y-shaped pull rope (3) are provided with bearing rings (4), and circular clamping rings (5) with gaps (6) are inserted into the bearing rings (4).

Images