CN216746785U

CN216746785U - Roller needle bearing static stress detection device

Info

Publication number: CN216746785U
Application number: CN202220318355.5U
Authority: CN
Inventors: 叶昊宸
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-06-14
Anticipated expiration: 2032-02-17

Abstract

The utility model relates to the technical field of bearing detection, in particular to a roller needle bearing static stress detection device which comprises a detection box, wherein a hydraulic assembly is fixedly mounted on the bottom surface of a top plate of the detection box, a pressing plate is fixedly connected onto the hydraulic assembly, a limiting mechanism with a forward and reverse rotating motor is arranged between two corresponding side plates of the detection box, and a discharging mechanism with a discharging channel is arranged on the top surface of a bottom plate of the detection box. The bearing clamping device has the advantages that the threaded rod, the slide rail, the guide rod and the limiting plate are matched for use, when the bearing is subjected to stress detection, the bearing to be detected can be clamped and fixed, the bearing is prevented from being deviated when the stress is detected, the condition that the detection data is inaccurate is caused, the bearing is not required to be manually controlled, the probability that workers are injured when working is reduced, meanwhile, the limiting distance can be adjusted according to the size of the bearing, and the whole detection process of the bearing is more convenient.

Description

Roller needle bearing static stress detection device

Technical Field

The utility model relates to the technical field of bearing detection, in particular to a roller needle bearing static stress detection device.

Background

The roller needle roller bearing is provided with thin and long rollers called needle rollers, so that the bearing is compact in radial structure. When the inner diameter size and the load capacity of the needle roller bearing are the same as those of other types of bearings, the needle roller bearing has the smallest outer diameter and higher load bearing capacity, and is particularly suitable for a supporting structure with limited radial installation size. The needle bearing needs to detect the bearing quality after being processed to judge whether the bearing quality is qualified, and the prior patent (publication number: CN210774699U) proposes a bearing load detection device for a hub bearing, which is characterized in that: the device comprises a bottom plate, an installation shaft, an upper pressing plate and a lower pressing plate, wherein the installation shaft is arranged on the bottom plate, a side plate is arranged on one side of the bottom plate, the upper pressing plate is arranged on one side, close to the bottom plate, of the side plate, the upper pressing plate is arranged above the installation shaft, the lower pressing plate is arranged in the middle of the bottom plate, the lower pressing plate is arranged below the installation shaft, a working motor is arranged beside the bottom plate, the working motor is connected with the bottom plate and the side plate through a conducting wire, and an analysis table is arranged in the front of the working motor. Compared with the prior art, the bearing load detection device for the hub bearing is reasonable in structure, the hub bearing is placed on the mounting shaft, the upper pressing plate and the lower pressing plate are used for pressing the hub bearing, and the applied pressure is analyzed through the analysis table, so that the load range which can be borne by the hub bearing is obtained.

Among the above-mentioned device, when carrying out the atress of bearing and detecting, the bearing of treating the detection of being not convenient for carries out the centre gripping location, when carrying out the interior detection of hand, the bearing skew easily appears, leads to the inaccurate condition of detected data to appear, and after having detected, needs the people work to take out the bearing after detecting, has certain potential safety hazard in this process.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a roller needle bearing static stress detection device to solve the problems in the background technology. In order to achieve the purpose, the utility model provides the following technical scheme: the roller needle bearing static stress detection device comprises a detection box, wherein a hydraulic assembly is fixedly mounted on the bottom surface of a top plate of the detection box, a pressing plate is fixedly connected onto the hydraulic assembly, a limiting mechanism with a forward and reverse rotating motor is arranged between two side plates corresponding to the detection box, and a discharging mechanism with a discharging channel is arranged on the top surface of the bottom plate of the detection box.

Preferably, the hydraulic assembly comprises a hydraulic rod and a piston rod, the piston rod is arranged on the hydraulic rod, and a pressing plate is fixedly connected to the piston rod.

Preferably, the limiting mechanism comprises a threaded rod, a sliding rail, a guide rod and a limiting plate, the output end of the positive and negative rotation motor is fixedly connected with the threaded rod, one end corresponding to the threaded rod is rotatably installed on the inner surface of a side plate corresponding to the detection box, the outer wall of the threaded rod is in threaded connection with two threaded cylinders, the top surface of the bottom plate of the detection box is embedded in the bottom of the threaded rod and is provided with the sliding rail, the sliding rail is provided with two sliding blocks, the two sliding blocks are respectively and fixedly connected with the bottoms of the corresponding threaded cylinders, the guide rod is fixedly installed between two side plates far away from the corresponding side plate of the threaded rod, the outer wall of the guide rod is movably sleeved with the two guide cylinders, a connecting block is fixedly installed between the corresponding threaded cylinders and the guide cylinders, the two side plates corresponding to the connecting block are respectively and fixedly provided with an installation block, and the two side plates corresponding to the installation blocks are respectively and fixedly provided with a plurality of pressure springs, and one ends corresponding to the plurality of pressure springs are fixedly connected with limiting plates.

Preferably, opposite threads are symmetrically formed in the outer wall of the threaded rod, an installation groove is formed in the installation block, and the pressure springs are equally arranged in the installation groove respectively.

Preferably, the discharge mechanism includes discharge passage, recess, electric telescopic handle and bearing plate, the top surface that detects the bottom of the case board runs through and has seted up discharge passage, all set up flutedly on the both sides wall that discharge passage corresponds, one of them fixed mounting has two electric telescopic handle on the inner wall of recess, two electric telescopic handle's output pole fixedly connected with bearing plate, the bottom of bearing plate is contacted with the bottom of recess, and the one end that corresponds of bearing plate is located the recess that corresponds.

Preferably, a base is arranged on a bottom plate of the detection box, a collection box is arranged on the base and located under the discharge channel, and a conical block is arranged on one side wall, close to the electric telescopic rod, of the discharge channel.

Compared with the prior art, the utility model has the beneficial effects that:

according to the bearing stress detection device, the threaded rod, the sliding rail, the guide rod and the limiting plate are matched for use, so that the bearing to be detected can be clamped and fixed during bearing stress detection, the situation that detection data is inaccurate due to bearing deflection during stress detection is prevented, the bearing does not need to be controlled manually, the probability of injury of workers during working is reduced, and meanwhile, the limiting distance can be adjusted according to the size of the bearing, so that the whole detection process of the bearing is more convenient;

according to the automatic unloading device, the unloading channel, the groove, the electric telescopic rod and the bearing plate are matched for use, when bearing stress detection is finished and the bearing loses the limit, the switch of the electric telescopic rod can be opened to enable the electric telescopic rod to work and contract, the bearing on the bearing plate falls into the collecting box through the unloading channel under the action of the conical block, the automatic unloading function is achieved, the detected bearing does not need to be taken out manually, and potential safety hazards in the process are reduced.

Drawings

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

FIG. 2 is a left side view of the present invention;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 1;

fig. 4 is a schematic diagram of the explosive structure of the discharge mechanism of the present invention.

In the figure: 1. a detection box; 2. a hydraulic assembly; 3. a positive and negative rotation motor; 4. a threaded rod; 5. a threaded barrel; 6. a slide rail; 7. a guide bar; 8. a guide cylinder; 9. connecting blocks; 10. mounting blocks; 11. a pressure spring; 12. a limiting plate; 13. a discharge passage; 14. a groove; 15. an electric telescopic rod; 16. a bearing plate; 17. a base; 18. and (4) collecting the box.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: roller needle bearing static stress detection device, including detection case 1, the bottom surface fixed mounting of detection case 1 roof has hydraulic assembly 2, the last fixedly connected with clamp plate of hydraulic assembly 2, and embedded pressure sensor that installs in the bottom of clamp plate is provided with the stop gear who has positive reverse motor 3 between the both sides board that detection case 1 corresponds, and the top surface of detection case 1 bottom plate is provided with the shedding mechanism who has discharge passage 13.

In this embodiment, as shown in fig. 1 and 2, the hydraulic assembly 2 includes a hydraulic rod and a piston rod, the hydraulic rod is provided with the piston rod, and the piston rod is fixedly connected with a pressing plate.

In the embodiment, as shown in fig. 1, 2 and 3, the limiting mechanism comprises a threaded rod 4, a sliding rail 6, a guide rod 7 and a limiting plate 12, the output end of the forward and reverse rotation motor 3 is fixedly connected with the threaded rod 4, the corresponding end of the threaded rod 4 is rotatably installed on the inner surface of the corresponding side plate of the detection box 1, the outer wall of the threaded rod 4 is in threaded connection with two threaded cylinders 5, the top surface of the bottom plate of the detection box 1 is embedded with the sliding rail 6 at the bottom of the threaded rod 4, two sliding blocks are slidably installed on the sliding rail 6 and fixedly connected to the bottoms of the corresponding threaded cylinders 5 respectively, the guide rod 7 is fixedly installed between the two side plates far away from the corresponding threaded rod 4 of the detection box 1, the outer wall of the guide rod 7 is movably sleeved with the two guide cylinders 8, a connecting block 9 is fixedly installed between the corresponding threaded cylinder 5 and the guide cylinder 8, and an installation block 10 is fixedly installed on the corresponding side plate of the two connecting blocks 9, a plurality of pressure springs 11 are fixedly arranged on one side plate corresponding to the two mounting blocks 10, and one ends of the plurality of pressure springs 11 are fixedly connected with limiting plates 12.

In this embodiment, as shown in fig. 1, 2, and 3, opposite threads are symmetrically formed on the outer wall of the threaded rod 4, an installation groove is formed in the installation block 10, and the plurality of pressure springs 11 are respectively arranged in the installation groove.

In this embodiment, as shown in fig. 1, fig. 2, and fig. 4, the discharging mechanism includes a discharging channel 13, a groove 14, electric telescopic rods 15, and a bearing plate 16, the discharging channel 13 is provided on the top surface of the bottom plate of the detection box 1 in a penetrating manner, grooves 14 are provided on two side walls corresponding to the discharging channel 13, two electric telescopic rods 15 are fixedly mounted on the inner wall of one groove 14, the output rods of the two electric telescopic rods 15 are fixedly connected with the bearing plate 16, the bottom of the bearing plate 16 is in contact with the bottom of the groove 14, and one corresponding end of the bearing plate 16 is located in the corresponding groove 14.

In this embodiment, as shown in fig. 1, fig. 2 and fig. 4, a base 17 is disposed on a bottom plate of the detection box 1, a collection box 18 is disposed on the base 17, the collection box 18 is located right below the discharge channel 13, and a conical block is disposed on a side wall of the discharge channel 13 close to the electric telescopic rod 15.

The use method and the advantages of the utility model are as follows: when the roller needle bearing static stress detection device is used, the working process is as follows:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4, when the device is used, firstly, an external power supply is applied to the electric equipment in the device, the bearing to be detected is placed on a bearing plate 16, then a switch of a forward and reverse motor 3 is opened to enable the bearing to work, the forward and reverse motor 3 works to enable a threaded rod 4 to rotate, under the guiding action of a sliding rail 6 and a guiding rod 7, the threaded rod 4 rotates to enable two threaded cylinders 5 to horizontally move and approach each other on the threaded rod 4, so that two connecting blocks 9 in the two connecting blocks are mutually close, namely two limiting plates 12 are used for clamping and limiting the bearing, then the switch of a hydraulic assembly 2 is opened to enable the bearing to work, the bearing is subjected to stress detection operation, the threaded rod 4, the sliding rail 6, the guiding rod 7 and the limiting plates 12 are matched for use, when the stress detection of the bearing is carried out, the bearing to be clamped and fixed, the bearing is prevented from being deviated when the stress is detected, so that the condition of inaccurate detection data is caused, the bearing is not required to be manually controlled, the probability of injury of workers during working is reduced, and meanwhile, the limiting distance can be adjusted according to the size of the bearing, so that the whole detection process of the bearing is more convenient.

Wait to detect and accomplish the back, open the switch of positive reverse motor 3, make positive reverse motor 3 reverse work, thereby make two limiting plate 12 alternate segregation, the switch of opening electric telescopic handle 15 again makes its work, electric telescopic handle 15 work shrink, make bearing plate 16 shrink to be located electric telescopic handle 15 in the recess 14, and under the effect of awl piece, make the bearing on the bearing plate 16 drop to collecting in the box 18 through discharge passage 13, realize automatic discharge's function, need not the artifical bearing after will detecting and take out, reduce the potential safety hazard that exists in this process.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Static atress detection device of gyro wheel bearing, including detection case (1), its characterized in that: the bottom surface fixed mounting of detection case (1) roof has hydraulic assembly (2), fixedly connected with clamp plate on hydraulic assembly (2), be provided with the stop gear who has driving motor (3) between the both sides board that detection case (1) corresponds, the top surface of detection case (1) bottom plate is provided with the shedding mechanism who has discharge passage (13).

2. The roller needle roller bearing static force detection device according to claim 1, wherein: the hydraulic component (2) comprises a hydraulic rod and a piston rod, the piston rod is arranged on the hydraulic rod, and a pressing plate is fixedly connected to the piston rod.

3. The roller needle roller bearing static force detection device according to claim 1, wherein: the limiting mechanism comprises a threaded rod (4), a sliding rail (6), a guide rod (7) and a limiting plate (12), the threaded rod (4) is fixedly connected with the output end of the driving motor (3), the corresponding end of the threaded rod (4) is rotated and installed on the inner surface of a corresponding side plate of the detection box (1), the outer wall of the threaded rod (4) is in threaded connection with two threaded barrels (5), the top surface of the bottom plate of the detection box (1) is embedded in the bottom of the threaded rod (4) and is provided with the sliding rail (6), the sliding rail (6) is provided with two sliding blocks, the two sliding blocks are respectively and fixedly connected with the bottom of the corresponding threaded barrels (5), the guide rod (7) is fixedly installed between the two side plates far away from the corresponding side plate of the threaded rod (4) of the detection box (1), and the two guide barrels (8) are sleeved on the outer wall of the guide rod (7), fixed mounting has connecting block (9), two between corresponding screw thread section of thick bamboo (5) and guide cylinder (8) equal fixed mounting has installation piece (10), two on the curb plate that connecting block (9) correspond equal fixed mounting has a plurality of pressure springs (11), a plurality of on the curb plate that installation piece (10) correspond one end fixedly connected with limiting plate (12) that pressure spring (11) correspond.

4. The roller needle roller bearing static force detection device according to claim 3, wherein: opposite screw threads are symmetrically arranged on the outer wall of the threaded rod (4), an installation groove is formed in the installation block (10), and the pressure springs (11) are equally arranged in the installation groove respectively.

5. The roller needle roller bearing static force detection device according to claim 1, wherein: unloading mechanism includes passageway (13), recess (14), electric telescopic handle (15) and bearing plate (16) of unloading, the top surface of detection case (1) bottom plate is run through and has been seted up passageway (13) of unloading, all set up on the both sides wall that passageway (13) of unloading correspond fluted (14), one of them fixed mounting has two electric telescopic handle (15), two on the inner wall of recess (14) the output pole fixedly connected with bearing plate (16) of electric telescopic handle (15), the bottom of bearing plate (16) touches with the bottom of recess (14), and the one end that corresponds of bearing plate (16) is located corresponding recess (14).

6. The roller needle roller bearing static force detection device according to claim 5, wherein: the detection box is characterized in that a base (17) is arranged on a bottom plate of the detection box (1), a collecting box (18) is arranged on the base (17), the collecting box (18) is located under the discharging channel (13), and a conical block is arranged on one side wall, close to the electric telescopic rod (15), of the discharging channel (13).