CN210464884U

CN210464884U - Tension pulley spring fatigue detection device

Info

Publication number: CN210464884U
Application number: CN201921086228.1U
Authority: CN
Inventors: 李铿
Original assignee: Jiangsu Qite Automobile Parts Co ltd
Current assignee: Jiangsu Qite Automobile Parts Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-05-05
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a tension pulley spring fatigue detection device, which comprises two half plates, wherein the two half plates are connected through a connecting plate, the connecting plate is matched with the connecting plate and is provided with a first chute, the connecting plate is fixed through screwing a first tightening screw, the connecting plate is in sliding fit with the first chute, the outer sides of the tops of the two connecting plates are respectively and fixedly provided with a vertical rod, the inner sides of the two vertical rods are respectively provided with a plurality of detection mechanisms, the detection mechanisms comprise a clamping plate, the inner sides of the two vertical rods are respectively and fixedly provided with two clamping plates, a first hook is arranged between the two clamping plates on the left side, the first hook is fixedly connected with the vertical rod, the right side of the first hook is connected with a spring, the right side of the spring is connected with a second hook, and the right side of the second hook is connected with a, the manufacturing cost is higher, and the large-scale popularization and application are not convenient.

Description

Tension pulley spring fatigue detection device

Technical Field

The utility model belongs to the technical field of fatigue detection device, concretely relates to tight pulley spring fatigue detection device rises.

Background

The tension pulley is a belt tensioning device for an automobile transmission system. The tension wheel mainly comprises a fixed shell, a tension arm, a wheel body, a torsion spring, a rolling bearing, a spring shaft sleeve and the like, and can automatically adjust the tension according to different tightness degrees of the belt, so that a transmission system is stable, safe and reliable. The spring is a mechanical part which works by utilizing elasticity and is used for controlling the movement of a machine part, relieving impact or vibration, storing energy, measuring the magnitude of force and the like, and has quite wide functions in industrial production and daily life. All need detect the various performance of spring after the spring generates out, for example, formulate the high load test, permanent deformation test, the fatigue life test, if the spring can not reach the requirement, spring fracture or deformation appear in the use, the easy accident that takes place, the current fatigue detection device of spring structure is mostly more complicated, and the cost of manufacture is higher, is not convenient for large-scale popularization and application.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a tight pulley spring fatigue detection device rises to solve the current spring fatigue detection device structure that proposes in the above-mentioned background art and all compare complicatedly, the cost of manufacture is higher, the large-scale problem of popularizing and applying of being not convenient for.

In order to achieve the above object, the utility model provides a following technical scheme: a tension pulley spring fatigue detection device comprises two half plates, wherein the two half plates are connected through a connecting plate, the connecting plate is matched with the connecting plate to be provided with a first chute, the connecting plate is fixed through screwing a first tightening screw, the connecting plate is in sliding fit with the first chute, the outer sides of the tops of the two connecting plates are respectively and fixedly provided with a vertical rod, the inner sides of the two vertical rods are respectively provided with a plurality of detection mechanisms, each detection mechanism comprises a clamping plate, the inner sides of the two vertical rods are respectively and fixedly provided with two clamping plates, a first hook is arranged between the two clamping plates on the left side, the first hook is fixedly connected with the vertical rod, the right side of the first hook is connected with a spring, the right side of the spring is connected with;

a second sliding chute is arranged at the inner side of the clamping plate, a second sliding block is arranged in the second sliding chute in a sliding manner, a movable rod is fixedly connected between the two second sliding blocks in the horizontal direction, the second sliding block is fixed by screwing a second tightening screw rod, the right side of the rubber pad is fixedly connected with a fixed block, the front side and the rear side of the fixed block are fixedly connected with third sliding blocks, the third sliding blocks are arranged in third sliding grooves in a sliding manner, the third sliding grooves are formed in the inner sides of the movable rods, an electric telescopic rod is fixedly arranged on the right side of the fixed block and is arranged between the clamping plates on the two sides of the right side, a fourth sliding block is arranged at the left end of the bottom of the movable rod in a sliding manner, an infrared emitter is fixedly connected to one side of the fourth sliding block, which is far away from the movable rod, the second hook is matched with the infrared emitter and is provided with an infrared sensor, the infrared sensor is electrically connected with the infrared controller, and the infrared controller is electrically connected with the electric telescopic rod.

Preferably, the first hook and the second hook are both made of stainless steel.

Preferably, two detection mechanisms are provided.

Preferably, the longitudinal section of the movable rod is rectangular.

Preferably, the first hook is welded with the vertical rod.

Preferably, the surfaces of the second elastic screw and the first elastic screw are coated with anti-rust oil.

Compared with the prior art, the utility model provides a tight pulley spring fatigue detection device rises possesses following beneficial effect:

1. the utility model discloses a be provided with the second couple, electric telescopic handle, rubber pad and infra-red transmitter isotructure, electric telescopic handle fixed length is flexible round trip during the use, spring elasticity does not change when just beginning, spring pulling rubber pad, infra-red transmitter shines just in time on infrared inductor this moment, when the elasticity variation of spring, the pulling force of spring pulling rubber pad diminishes, infra-red transmitter shines not on infrared inductor this moment, signal transmission gives infrared controller, infrared controller control electric telescopic handle stop work, measure the anti fatigue ability of spring according to the back and forth movement number of times of spring.

2. The utility model discloses a be provided with more than one detection mechanism, can measure more than one spring simultaneously.

3. The utility model discloses a be provided with two half boards and connecting plate, adjust the distance between two half boards according to the size of spring during the use, the fatigue detection of adaptable different specification springs.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model has the advantages of being scientific and reasonable in structure, convenience safe in utilization provides very big help for people.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

fig. 1 is a schematic top view of the present invention;

FIG. 2 is an enlarged schematic view of part A of the present invention;

in the figure: 1. a half plate; 2. a fourth slider; 3. a second slider; 4. a first elastic screw; 5. a connecting plate; 6. a movable rod; 7. a rubber pad; 8. an infrared emitter; 9. a splint; 10. a second, loose screw; 11. a vertical rod; 12. an electric telescopic rod; 13. a fixed block; 14. a third slider; 15. an infrared sensor; 16. a second hook; 17. a spring; 18. a first hook.

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.

Referring to fig. 1-2, the utility model provides a tension roller spring fatigue detection device technical solution: a tension pulley spring fatigue detection device comprises two half plates 1, the two half plates 1 are connected through a connecting plate 5, the connecting plate 5 is matched with the connecting plate 5 to be provided with a first sliding groove, the connecting plate 5 is fixed through a first tightening screw 4 which is screwed, the connecting plate 5 is arranged in the first sliding groove in a sliding mode, the outer sides of the tops of the two connecting plates 5 are respectively and fixedly provided with a vertical rod 11, the inner sides of the two vertical rods 11 are respectively provided with a plurality of detection mechanisms, the number of the detection mechanisms is two, each detection mechanism comprises a clamping plate 9, the inner sides of the two vertical rods 11 are respectively and fixedly provided with two clamping plates 9, a first hook 18 is arranged between the two clamping plates 9 on the left side, the first hook 18 is fixedly connected with the vertical rod 11, the right side of the first hook 18 is connected with a spring 17, the right side of the spring 17 is connected with a second hook 16;

a second sliding groove is arranged on the inner side of the clamping plate 9, a second sliding block 3 is arranged in the second sliding groove in a sliding manner, a movable rod 6 is fixedly connected between the two second sliding blocks 3 in the horizontal direction, the longitudinal section of the movable rod 6 is rectangular, the second sliding blocks 3 are fixed by screwing second elastic screws 10, antirust oil is coated on the surfaces of the second elastic screws 10 and the first elastic screws 4, a fixed block 13 is fixedly connected on the right side of a rubber pad 7, third sliding blocks 14 are fixedly connected on the front side and the rear side of the fixed block 13, the third sliding blocks 14 are arranged in the third sliding grooves in a sliding manner, the third sliding grooves are arranged on the inner side of the movable rod 6, an electric telescopic rod 12 is fixedly arranged on the right side of the fixed block 13, the electric telescopic rod 12 is arranged between the clamping plates 9 on the right side, a fourth sliding block 2 is arranged at the left end of the bottom of the movable rod 6 in a sliding manner, the second hook 16 is matched with the infrared emitter 8 and is provided with an infrared sensor 15, the infrared sensor 15 is electrically connected with an infrared controller, and the infrared controller is electrically connected with the electric telescopic rod 12.

The utility model discloses a theory of operation and use flow: when the device is used, the distance between the two half plates 1 is adjusted according to the length of the measured spring 17, the connecting plate 5 is fixed by screwing the first elastic screw rod 4, the movable rod 6 moves on the clamping plate 9 as required, the second elastic screw rod 10 is screwed to fix the movable rod 6, the spring 17 is arranged between the first hook 18 and the second hook 16, the fourth slider 2 is slid to adjust the position of the infrared emitter 8 to be aligned with the infrared inductor 15 (at the moment, the spring 17 pulls the rubber pad 7 to be in a semi-loose state), the electric telescopic rod 12 is started to extend back and forth at a fixed length, when the elasticity of the spring 17 is weakened, the spring 17 pulls the rubber pad 7 to be incapable of returning to the initial position, at the moment, infrared rays emitted by the infrared emitter 8 cannot irradiate the infrared sensor 15, signals are transmitted to the infrared controller, the infrared controller controls the electric telescopic rod 12 to stop working, and the anti-fatigue capacity of the spring 17 is measured according to the back-and-forth movement times of the spring 17.

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 tension pulley spring fatigue detection device, includes two half boards (1), its characterized in that: the two half plates (1) are connected through a connecting plate (5), the connecting plate (5) is matched with the connecting plate (5) to be provided with a first sliding chute, the connecting plates (5) are fixed by screwing first tightening screw rods (4), the connecting plates (5) are in sliding fit with the first sliding grooves, vertical rods (11) are respectively and fixedly arranged on the outer sides of the tops of the two connecting plates (5), a plurality of detection mechanisms are respectively arranged on the inner sides of the two vertical rods (11), each detection mechanism comprises a clamping plate (9), two clamping plates (9) are respectively and fixedly arranged on the inner sides of the two vertical rods (11), a first hook (18) is arranged between the two clamping plates (9) on the left side, and the first hook (18) is fixedly connected with the vertical rods (11), a spring (17) is connected to the right side of the first hook (18), a second hook (16) is connected to the right side of the spring (17), and a rubber pad (7) is connected to the right side of the second hook (16);

the inner side of the clamping plate (9) is provided with a second sliding groove, a second sliding block (3) is arranged in the second sliding groove in a sliding manner, a movable rod (6) is fixedly connected between the two second sliding blocks (3) in the horizontal direction, the second sliding blocks (3) are fixed by screwing second tightening screws (10), a fixed block (13) is fixedly connected to the right side of the rubber pad (7), third sliding blocks (14) are fixedly connected to the front side and the rear side of the fixed block (13), the third sliding blocks (14) are arranged in the third sliding groove in a sliding manner, the third sliding groove is arranged on the inner side of the movable rod (6), an electric telescopic rod (12) is fixedly arranged on the right side of the fixed block (13), the electric telescopic rod (12) is arranged between the clamping plates (9) on the two sides on the right side, the left end of the bottom of the movable rod (6) is provided with a fourth sliding block (2), and, the second hook (16) is matched with the infrared emitter (8) and is provided with an infrared sensor (15), the infrared sensor (15) is electrically connected with an infrared controller, and the infrared controller is electrically connected with the electric telescopic rod (12).

2. The tension roller spring fatigue detection device as claimed in claim 1, wherein: the first hook (18) and the second hook (16) are both made of stainless steel.

3. The tension roller spring fatigue detection device as claimed in claim 1, wherein: the detection mechanism is provided with two.

4. The tension roller spring fatigue detection device as claimed in claim 1, wherein: the longitudinal section of the movable rod (6) is rectangular.

5. The tension roller spring fatigue detection device as claimed in claim 1, wherein: the first hook (18) is welded with the vertical rod (11).

6. The tension roller spring fatigue detection device as claimed in claim 1, wherein: and the surfaces of the second elastic screw (10) and the first elastic screw (4) are coated with anti-rust oil.