CN211374050U

CN211374050U - Test device for detecting service life of bearing

Info

Publication number: CN211374050U
Application number: CN201921876999.0U
Authority: CN
Inventors: 张圆曾; 张晓琳; 孙兴亮; 张春阳; 李杨
Original assignee: Dalian Haiyitong Bearing Technology Co ltd
Current assignee: Dalian Haiyitong Bearing Technology Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-08-28
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a test device for detecting bearing life, including the desktop, the left side fixed mounting at desktop top has first detection case, and the top of desktop and the right side that is located first detection case are provided with the second detection case, and the top of desktop and the right side that is located the second detection case are provided with the third detection case, and the top of desktop and the right side that is located the third detection case are provided with power device, and the left bottom intercommunication of third detection case has the blast pipe. The utility model discloses a thereby the different environment of the pair simulation between first detection case, second detection case and the third detection case is tested the bearing that awaits measuring, is used for providing pivoted power for the bearing that awaits measuring through setting up power device to the realization is to the detection of the bearing that awaits measuring, sends into the inside of third detection case with the refrigerant through the cooperation between blast pipe and the intake pipe, simulates the life of the bearing that awaits measuring in cold environment, has solved the single problem of current bearing life-span test simultaneously.

Description

Test device for detecting service life of bearing

Technical Field

The utility model relates to a bearing technical field specifically is a detect bearing life's test device.

Background

The bearing is one of indispensable spare part in most mechanical equipment, in some special equipment, the bearing needs to carry out long-time high load work in high temperature environment, this has proposed higher requirement to the quality of bearing, from this, it seems very necessary to test the life of bearing in high temperature environment, do not have at present to carry out the device that detects special life under high temperature or low temperature high load condition to the bearing, the testing personnel generally adopt ordinary high temperature test box to carry out static test to the bearing, there is great deviation between the operating condition of test condition and bearing, can lead to the test result reliability not enough.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a detect bearing life's test device possesses the advantage that can diversely test the bearing, has solved the single problem of current bearing life-span test.

In order to achieve the above object, the utility model provides a following technical scheme: a test device for detecting the service life of a bearing comprises a desktop, wherein a first detection box is fixedly installed on the left side of the top of the desktop, a second detection box is arranged on the top of the desktop and positioned on the right side of the first detection box, a third detection box is arranged on the top of the desktop and positioned on the right side of the second detection box, a power device is arranged on the top of the desktop and positioned on the right side of the third detection box, an exhaust pipe is communicated with the left bottom of the third detection box, an air inlet pipe is communicated with the top of the third detection box, a water pipe is communicated with the left bottom of the first detection box, two hinges are fixedly installed on the front left sides of the first detection box, the second detection box and the third detection box, a sealing door is fixedly connected to the right side of each hinge, glass is arranged on the front side of the sealing door, and a handle is rotatably connected to the front right side of the, and fixing devices are arranged in the first detection box, the second detection box and the third detection box.

Preferably, power device includes base, motor, gearbox and power rod, the right side fixed mounting at desktop top has the base, the top fixed mounting of base has the motor, the output fixedly connected with power rod of motor, the top of desktop just is located the left side fixed mounting of base and has the gearbox, the power rod runs through the gearbox.

Preferably, the fixing device comprises a hydraulic rod, a sliding groove, a first fixing rod, a rotating rod, a cross rod, a second fixing rod, a third fixing rod, a bearing to be detected, a fixing ring, a nut and a sliding block, the hydraulic rod is fixedly installed at the tops of the first detection box, the second detection box and the third detection box, the hydraulic rod extends into the first detection box, the second detection box and the third detection box respectively, the cross rod is fixedly installed at the bottom of the hydraulic rod, the sliding grooves are formed in the two sides of the first detection box, the second detection box and the third detection box respectively, the sliding block is connected in the sliding groove, one side of the sliding block is fixedly connected with one side of the cross rod, the second fixing rod is fixedly installed on the two sides of the bottom of the cross rod, the third fixing rod is fixedly connected in the second detection box, the fixing ring is fixedly installed on the left side of the surface of the third fixing rod, the surface fixed mounting of third dead lever has the bearing that awaits measuring, the right side threaded connection of third dead lever has the nut, the equal fixed mounting in both sides of first detection case, second detection case and third detection case bottom has first dead lever, the inside rotation of first dead lever is connected with the bull stick.

Preferably, the back surfaces of the first detection box, the second detection box and the third detection box are all rotatably connected with a connecting shaft, the surface of the power rod, the two ends of the connecting shaft and the right side of the rotating rod are fixedly connected with bevel gears, and the power rod, the rotating rod and the connecting shaft are meshed through the bevel gears.

Preferably, the heating device is fixedly mounted in the third detection box and between the first fixing rods, and the power rod and the connecting shaft are fixedly connected with the top of the desktop through auxiliary limiting rods.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a first detection case, thereby the different environment of the simulation of joining in marriage between second detection case and the third detection case is tested the bearing that awaits measuring, be used for providing pivoted power for the bearing that awaits measuring through setting up power device, thereby realize the detection to the bearing that awaits measuring, send into the inside of third detection case with the refrigerant through the cooperation between blast pipe and the intake pipe, the life of bearing that the simulation awaits measuring in cold environment, be used for the inside simulation bearing that awaits measuring of the first detection case of water injection in the life of aquatic through setting up the water pipe, the single problem of current bearing life-span test has been solved simultaneously.

2. The utility model discloses a set up the gearbox and be used for adjusting the output rotational speed of motor to change the speed of bearing that awaits measuring, thereby be used for exerting pressure for the bearing that awaits measuring through setting up the hydraulic stem and make the surface and the bull stick contact of bearing that awaits measuring, drive the rotation of bearing that awaits measuring through the bull stick, be used for reducing the loss of motor kinetic energy when the transmission through setting up bevel gear, be used for simulating the life of bearing that awaits measuring under high temperature through setting up heating device.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic cross-sectional view of the first detection box of the present invention;

fig. 4 is a schematic view of the cross-sectional structure of the second detection box of the present invention.

In the figure: 1. a desktop; 2. a first detection box; 3. a second detection box; 4. a third detection box; 5. a power plant; 501. a base; 502. a motor; 503. a gearbox; 504. a power rod; 6. an exhaust pipe; 7. a fixing device; 701. a hydraulic lever; 702. a chute; 703. a first fixing lever; 704. a rotating rod; 705. a cross bar; 706. a second fixing bar; 707. a third fixing bar; 708. a bearing to be tested; 709. a stationary ring; 710. a nut; 711. a slider; 8. an auxiliary limit rod; 9. a bevel gear; 10. a water pipe; 11. an air inlet pipe; 12. a hinge; 13. a heating device; 14. a sealing door; 15. glass; 16. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-4, a testing device for detecting the service life of a bearing comprises a desktop 1, a first detection box 2 is fixedly installed on the left side of the top of the desktop 1, a second detection box 3 is arranged on the top of the desktop 1 and on the right side of the first detection box 2, a third detection box 4 is arranged on the top of the desktop 1 and on the right side of the second detection box 3, a bearing 708 to be detected is tested by simulating different environments through matching among the first detection box 2, the second detection box 3 and the third detection box 4, a power device 5 is arranged on the top of the desktop 1 and on the right side of the third detection box 4, the power device 5 is used for providing rotating power for the bearing 708 to be detected, so as to detect the bearing 708 to be detected, an exhaust pipe 6 is communicated with the bottom of the left side of the third detection box 4, an air inlet pipe 11 is communicated with the top of the third detection box 4, a refrigerant is sent into the third detection box 4 through matching between the exhaust pipe 6 and the air inlet pipe 11, the service life of a bearing 708 to be detected is simulated in a cold environment, the bottom of the left side of the first detection box 2 is communicated with a water pipe 10, the water pipe 10 is used for injecting water into the interior of the first detection box 2 to simulate the service life of the bearing 708 to be detected in water, two hinges 12 are fixedly arranged on the left sides of the front surfaces of the first detection box 2, the second detection box 3 and the third detection box 4, a sealing door 14 is fixedly connected to the right side of each hinge 12, glass 15 is arranged on the front surface of each sealing door 14, a handle 16 is rotatably connected to the right side of the front surface of each sealing door 14, fixing devices 7 are arranged in the first detection box 2, the second detection box 3 and the third detection box 4, the bearing 708 to be detected is conveniently placed into the first detection box 2, the second detection box 3 and the third detection box 4 by installing the sealing door 14, the detection condition of the bearing 708 to be detected is conveniently observed by arranging the glass 15, the power device 5 comprises a base 501, a motor 502, a gearbox 503 and a power rod 504, the base 501 is fixedly installed on the right side of the top of the table top 1, the motor 502 is fixedly installed on the top of the base 501, the power rod 504 is fixedly connected with the output end of the motor 502, the gearbox 503 is fixedly installed on the top of the table top 1 and on the left side of the base 501, the power rod 504 penetrates through the gearbox 503, and the gearbox 503 is arranged to adjust the output rotating speed of the motor 502, so that the speed of the bearing 708 to be detected is changed, the fixing device 7 comprises a hydraulic rod 701, a sliding chute 702, a first fixing rod 703, a rotating rod 704, a cross rod 705, a second fixing rod 706, a third fixing rod 707, the bearing 708 to be detected, a fixing ring 709, a nut 710 and a sliding block 711, hydraulic rods 701 are fixedly installed on the tops of the first detection box 2, the second detection box 3 and the third detection box, Inside second detection case 3 and third detection case 4, the bottom fixed mounting of hydraulic stem 701 has horizontal pole 705, first detection case 2, spout 702 has all been seted up to the both sides of second detection case 3 and third detection case 4, the inside sliding connection of spout 702 has slider 711, one side of slider 711 and one side fixed connection of horizontal pole 705, the equal fixed mounting in both sides of horizontal pole 705 bottom has second dead lever 706, the inside fixedly connected with third dead lever 707 of second dead lever 706, the left side fixed mounting on third dead lever 707 surface has retainer plate 709, the fixed surface mounting of third dead lever 707 has bearing 708 that awaits measuring, the right side threaded connection of third dead lever 707 has nut 710, the equal fixed mounting in both sides of first detection case 2, the bottom of second detection case 3 and third detection case 4 has first dead lever 703, the inside rotation of first dead lever 703 is connected with bull stick 704, thereby make the surface of bearing 708 that awaits measuring and bull stick 704 of measuring use for exerting pressure for bearing through setting up hydraulic stem 701 and make the surface and bull stick 704 of bearing 708 that await The contact, drive the rotation of bearing 708 that awaits measuring through bull stick 704, first detection case 2, the equal rotation in second detection case 3 and the third detection case 4 back is connected with the connecting axle, the surface of power pole 504, the equal fixedly connected with conical gear 9 in both ends of connecting axle and the right side of bull stick 704, power pole 504, through the meshing of conical gear 9 between bull stick 704 and the connecting axle, be used for reducing the loss of motor 502 kinetic energy when the transmission through setting up conical gear 9, fixed mounting has heating device 13 between the inside of third detection case 4 and being located first dead lever 703, power pole 504 all is through the top fixed connection of supplementary gag lever post 8 with desktop 1 with the connecting axle, be used for simulating the life of bearing 708 that awaits measuring under high temperature through setting up heating device 13.

During use, the bearing 708 to be detected is mounted on the surface of the third fixing rod 707, the bearing 708 to be detected is fixed through the nut 710, the sealing door 14 is closed, water is injected into the first detection box 2, refrigerant is injected into the third detection box 4, the heating device 13 in the second detection box 3 is opened, after the detection environment is simulated, the motor 502 is started to adjust the output rotating speed of the motor 502 through the gearbox 503, the rotating speed of the bearing 708 to be detected is adjusted, and the condition of the bearing 708 to be detected is observed through the glass 15.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a test device for detect bearing life, includes desktop (1), its characterized in that: the detection device is characterized in that a first detection box (2) is fixedly mounted on the left side of the top of the desktop (1), a second detection box (3) is arranged on the top of the desktop (1) and positioned on the right side of the first detection box (2), a third detection box (4) is arranged on the top of the desktop (1) and positioned on the right side of the second detection box (3), a power device (5) is arranged on the top of the desktop (1) and positioned on the right side of the third detection box (4), an exhaust pipe (6) is communicated with the left bottom of the third detection box (4), an air inlet pipe (11) is communicated with the top of the third detection box (4), a water pipe (10) is communicated with the left bottom of the first detection box (2), two hinges (12) are fixedly mounted on the front left sides of the first detection box (2), the second detection box (3) and the third detection box (4), and a sealing door (14) is fixedly connected to the right side of the hinges (12), the front of sealing door (14) is provided with glass (15), the right side rotation on sealing door (14) front is connected with handle (16), the inside of first detection case (2), second detection case (3) and third detection case (4) all is provided with fixing device (7).

2. The test device for detecting the service life of the bearing according to claim 1, wherein: power device (5) include base (501), motor (502), gearbox (503) and power rod (504), the right side fixed mounting at desktop (1) top has base (501), the top fixed mounting of base (501) has motor (502), the output fixedly connected with power rod (504) of motor (502), the top of desktop (1) and the left side fixed mounting that is located base (501) have gearbox (503), power rod (504) run through gearbox (503).

3. The test device for detecting the service life of the bearing according to claim 1, wherein: fixing device (7) include hydraulic stem (701), spout (702), first dead lever (703), bull stick (704), horizontal pole (705), second dead lever (706), third dead lever (707), bearing (708) that awaits measuring, retainer plate (709), nut (710) and slider (711), the equal fixed mounting in top of first detection case (2), second detection case (3) and third detection case (4) has hydraulic stem (701), hydraulic stem (701) extend to the inside of first detection case (2), second detection case (3) and third detection case (4) respectively, the bottom fixed mounting of hydraulic stem (701) has horizontal pole (705), spout (702) have all been seted up to the both sides of first detection case (2), second detection case (3) and third detection case (4).

4. A test device for testing the service life of a bearing according to claim 3, wherein: the inside sliding connection of spout (702) has slider (711), one side of slider (711) and one side fixed connection of horizontal pole (705), the equal fixed mounting in both sides of horizontal pole (705) bottom has second dead lever (706), the inside fixedly connected with third dead lever (707) of second dead lever (706), the left side fixed mounting on third dead lever (707) surface has retainer plate (709), the fixed surface of third dead lever (707) installs bearing (708) that awaits measuring, the right side threaded connection of third dead lever (707) has nut (710), the equal fixed mounting in both sides of first detection case (2), second detection case (3) and third detection case (4) bottom has first dead lever (703), the inside rotation of first dead lever (703) is connected with bull stick (704).

5. The test device for detecting the service life of the bearing according to claim 1, wherein: the back surfaces of the first detection box (2), the second detection box (3) and the third detection box (4) are all rotatably connected with a connecting shaft, conical gears (9) are fixedly connected to the surface of the power rod (504), the two ends of the connecting shaft and the right side of the rotating rod (704), and the power rod (504), the rotating rod (704) and the connecting shaft are meshed through the conical gears (9).

6. The test device for detecting the service life of the bearing according to claim 1, wherein: the heating device (13) is fixedly installed in the third detection box (4) and located between the first fixing rods (703), and the power rod (504) and the connecting shaft are fixedly connected with the top of the desktop (1) through the auxiliary limiting rod (8).