CN219037848U

CN219037848U - Driven pulley shaft size detection device

Info

Publication number: CN219037848U
Application number: CN202223477360.XU
Authority: CN
Inventors: 邹昊霖; 徐波; 胡其林; 孙万杰; 孙宁; 范小桌
Original assignee: Yantai Shenda Automotive Parts Co ltd
Current assignee: Yantai Shenda Automotive Parts Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-16
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of detection of the size of a pulley shaft, and discloses a driven pulley shaft size detection device which comprises a driven pulley, a main shell, a bayonet and a fixing hole, wherein the bayonet and the fixing hole are formed in the side wall surface of the driven pulley, the main shell is of an annular structure, three groups of rolling support devices are uniformly and fixedly arranged on the inner wall surface of the main shell corresponding to the bayonet, a detection base is fixedly arranged on the inner wall surface of the main shell corresponding to the fixing hole, two groups of measuring rods are formed in the detection base and movably arranged in the groove, springs are arranged between the two groups of measuring rods, one end, far away from the detection base, of each measuring rod is fixedly provided with an inclined plugboard, and a detection plate is fixedly arranged on the top end surface of the inclined plugboard. In the utility model, two groups of inclined plugboards are inserted into the fixed holes, and then the distance values between the two groups of measuring rods are read by utilizing the graduated scale to measure the fixed holes.

Description

Driven pulley shaft size detection device

Technical Field

The utility model relates to the technical field of detection of the sizes of pulley shafts, in particular to a device for detecting the sizes of driven pulley shafts.

Background

Along with the rapid development of industrial manufacturing and the progress of mechanical technology in China, the competition in the processing field is also more and more vigorous. The processing industry has entered the micro-profit era, the current situation forces the processing industry to be continuously innovated and improved, and the production of high-quality products becomes the trend of industrial development, but the production of these fine products must have more detection technology and control means to ensure the quality of the products, and this important means is to strictly control the geometric accuracy of the parts from the raw materials, thereby ensuring the quality of the finished products and improving the competitiveness of enterprises in the market. In order to detect the accuracy of the quality of the controlled products in the production process of the belt wheel shaft of the automobile engine, professional outsourcing inspection equipment is high in price, and various inspection tools are specially designed for the purpose, so that various accuracies of the belt wheel shaft can be rapidly inspected. Wheel-shaped and disc-shaped workpieces are widely applied to mechanical equipment, and in equipment with higher precision requirements, the machining precision requirements of the workpieces are higher, and particularly, the transmission precision and the runout precision of a matching surface are related.

The searched Chinese patent publication No. CN202348942U discloses a driven pulley shaft, which mainly comprises a shaft body, wherein the shaft body is provided with bayonets distributed in a circumference manner; as preferable: the bayonet is semi-hole, so that the structure is convenient to process; the bayonet is three, so that the stress of the structure is more balanced; the shaft body is also provided with a fixing hole.

When producing this kind of pulley shaft, in order to ensure that the band pulley can closely cooperate with the epaxial fixed orifices of pulley, tight thread joint needs to detect the fixed orifices.

For this purpose, we propose a driven pulley shaft size detection device.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides a driven pulley shaft size detection device.

In order to achieve the above purpose, the utility model adopts the following technical scheme that the driven pulley shaft size detection device comprises a driven pulley, a main shell, a bayonet and a fixing hole, wherein the bayonet and the fixing hole are formed in the side wall surface of the driven pulley, the main shell is of an annular structure, three groups of rolling support devices are uniformly and fixedly arranged on the inner wall surface of the main shell corresponding to the bayonet, a detection base is fixedly arranged on the inner wall surface of the main shell corresponding to the fixing hole, two groups of measuring rods are movably arranged in the detection base near the fixing hole, springs are arranged between the two groups of measuring rods, one end of each of the two groups of measuring rods, which is far away from the detection base, is fixedly provided with an inclined inserting plate, the top end surface of each inclined inserting plate is fixedly provided with a detecting plate, one end, which is close to each other, of the two groups of detecting plates is fixedly provided with a patch film switch, the detecting rods are fixedly arranged on elastic sheets of the patch film switch, and the top end surface of the detection base is provided with a graduated scale.

Preferably, the rolling support device comprises a movable shaft, balls and a reset spring, wherein the movable shaft is movably mounted in the main shell in the radial direction and can slide in the radial direction in the main shell, a casing is fixedly mounted at one end, close to the bayonet, of the movable shaft, the balls capable of rotating in the casing are movably mounted in the casing, the balls are attached to the cambered surface of the bayonet, and the reset spring is sleeved at the position, corresponding to the casing, between the movable shaft and the main shell.

Preferably, a limiting plate is fixedly arranged at one end, far away from the casing, of the movable shaft, and the diameter of the limiting plate is one five times that of the movable shaft.

Preferably, the patch membrane switches and the detection rods on the three groups of detection plates are distributed complementarily.

Preferably, the bottom end surfaces of the inclined plugboards are close to each other, and the end surfaces of the inclined plugboards, which are far away from each other, form inclined surfaces.

Preferably, the top end surface of the detection base is fixedly provided with an alarm lamp, and the patch film switches on the group of detection plates are connected in series and electrically connected with the alarm lamp.

Advantageous effects

The utility model provides a driven pulley shaft size detection device. The beneficial effects are as follows:

(1) When the device for detecting the size of the driven pulley shaft is used, the main shell is sleeved on the driven pulley through the three groups of rolling supporting devices, then the main shell slides downwards, the two groups of inclined inserting plates are inserted into the fixed holes, and then the distance values between the two groups of measuring rods are read by utilizing the graduated scale to measure the fixed holes.

(2) According to the driven pulley shaft size detection device, the balls slide into the bayonet, the balls are clung to the bayonet under the action of the elasticity of the reset spring, the main shell and the driven pulley are coaxial under the combined action of the three groups of rolling support devices, and the measurement device on the main shell is convenient for measuring the fixing holes.

(3) This driven pulley axle size detection device, when the pick-up plate inserts in the fixed orifices, the pick-up plate hugs closely with the fixed orifices, makes the elasticity paster of measuring rod extrusion paster membrane switch to make multiunit paster membrane switch passageway, when the certain unevenness of fixed orifices internal face, the measuring rod does not receive the constraint, and the shell fragment of paster membrane switch opens the measuring rod this moment, makes multiunit paster membrane switch circuit break, thereby makes the alarm lamp produce the warning, with this lateral wall face that detects the fixed orifices whether level.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, so that any structural modifications, proportional changes, or adjustments of size, which do not affect the efficacy of the utility model or the objects achieved, should fall within the scope of the utility model.

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

FIG. 2 is a top view of the present utility model;

FIG. 3 is a schematic diagram of the detection part of the present utility model.

Legend description:

1. driven wheel; 2. a bayonet; 3. a fixing hole; 4. a main housing; 5. a movable shaft; 6. a casing; 7. a ball; 8. a limiting plate; 9. a return spring; 10. detecting a base; 11. a measuring rod; 12. an inclined plugboard; 13. a detection plate; 14. a patch membrane switch; 15. a detection rod; 16. an alarm lamp; 17. a graduated scale.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: the utility model provides a driven pulley shaft size detection device, as shown in fig. 1-3, including driving wheel 1, main shell 4, offer bayonet socket 2 and fixed orifices 3 at the side wall of driving wheel 1, main shell 4 is annular structure, and the inner wall of main shell 4 corresponds bayonet socket 2's position even fixed mounting has three group's roll supporting device, and the inner wall of main shell 4 corresponds fixed orifices 3's position fixed mounting has detection base 10, detection base 10 is close to fixed orifices 3's position and sets up in the inslot movable mounting has two sets of measuring bars 11, installs the spring between two sets of measuring bars 11, and two sets of measuring bars 11 keep away from detection base 10's one end fixed mounting has inclined plugboard 12, inclined plugboard 12's top face fixed mounting has pick-up plate 13, and pick-up plate 13 is the rectangular plate, and two sets of pick-up plate 13 are close to each other one end fixed mounting has paster membrane switch 14, and paster membrane switch 14 is chinese patent CN 201146130Y's open existing structure and do not make the repetition here, and fixed mounting has the measuring bar 15 on the shell fragment of membrane switch 14, measuring bar 15 is cylindrical piece, the top end of measuring bar 10 sets of scale, the measuring bar 10 sets of measuring bar is the top 17, and the end is set of measuring bar is the scale, and is set of measuring bar 17 is set of measuring scale 3 is fixed to the scale 3 when using and the scale is used to take turns to the inside the scale of measuring device, and the scale 3 is fixed to be used to the measuring to the scale when the scale is fixed by two sets of measuring scale 3, and is connected to the scale 3.

The rolling support device comprises a movable shaft 5, balls 7 and a reset spring 9, wherein the movable shaft 5 is movably mounted in the main shell 4 in the radial direction and can slide in the radial direction in the main shell 4, a casing 6 is fixedly mounted at one end, close to the bayonet 2, of the movable shaft 5, the balls 7 capable of rotating in the casing 6 are movably mounted in the casing 6, the balls 7 are attached to the cambered surface of the bayonet 2, and the reset spring 9 is sleeved at the position, corresponding to the casing 6, between the movable shaft 5 and the main shell 4.

The one end fixed mounting that the movable shaft 5 kept away from the cover shell 6 has limiting plate 8, and the diameter of limiting plate 8 is one and a half times of movable shaft 5 diameter to restrict movable shaft 5 roll-off main casing 4, thereby through three evenly distributed's roll strutting arrangement, make main casing 4 atress even thereby coaxial with driven wheel 1, convenient measurement and detection.

The patch membrane switches 14 and the detection rods 15 on the three groups of detection plates 13 are distributed complementarily, so that the whole wall surface of the inner wall surface of the fixing hole 3 can be subjected to leveling detection after three times of measurement at the exchange position.

The bottom end surfaces of the inclined plugboards 12 are mutually close, so that the end surfaces of the inclined plugboards 12 which are mutually far form inclined surfaces, and the inclined plugboards are convenient to insert into the fixing holes 3.

The top end surface of the detection base 10 is fixedly provided with an alarm lamp 16, the patch film switches 14 on the detection plates 13 are mutually connected in series and are electrically connected with the alarm lamp 16, when the side wall surface of the fixed hole 3 is processed to be uneven, the detection rod 15 is sprung up under the action of elastic force of the elastic sheet of the patch film switch 14, so that the patch film switch 14 connected in series is disconnected, the alarm lamp 16 generates an alarm, and whether the side wall surface of the fixed hole 3 is even or not is detected.

The working principle of the utility model is as follows: when the measuring device is used, the main shell 4 is sleeved on the driven wheel 1 through three groups of rolling support devices, the main shell 4 is slid downwards, two groups of inclined plugboards 12 are inserted into the fixed holes 3, and then the distance values between the two groups of measuring rods 11 are read by using the graduated scale 17 to measure the fixed holes 3.

The ball 7 slides into the bayonet 2, the ball 7 is tightly attached to the bayonet 2 under the action of the elasticity of the return spring 9, the main shell 4 and the driven wheel 1 are coaxial under the combined action of the three groups of rolling support devices, and the measuring device on the main shell 4 can conveniently measure the fixed hole 3.

When the detection plate 13 is inserted into the fixing hole 3, the detection plate 13 is tightly attached to the fixing hole 3, so that the detection rod 15 extrudes the elastic patches of the patch film switches 14, and therefore the paths of the multiple groups of patch film switches 14 are not restricted when the inner wall surface of the fixing hole 3 is uneven, and at the moment, the elastic pieces of the patch film switches 14 spread the detection rod 15 to open the multiple groups of patch film switches 14, so that the alarm lamp 16 generates an alarm, and whether the side wall surface of the fixing hole 3 is level or not is detected.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a driven pulley shaft size detection device, includes from driving wheel (1), main shell (4), sets up bayonet socket (2) and fixed orifices (3) at the side wall face from driving wheel (1), its characterized in that: the utility model discloses a measuring device is characterized in that the main shell (4) is annular structure, the position that the inner wall face of main shell (4) corresponds bayonet socket (2) evenly fixed mounting has three group's rolling support device, the position fixed mounting that the inner wall face of main shell (4) corresponds fixed orifices (3) has detection base (10), the position that detection base (10) is close to fixed orifices (3) is seted up flutedly and inslot movable mounting has two sets of measuring rods (11), install the spring between two sets of measuring rods (11), the one end fixed mounting who detects base (10) is kept away from to two sets of measuring rods (11) has oblique picture peg (12), the top face fixed mounting of oblique picture peg (12) has pick-up board (13), the one end fixed mounting that two sets of pick-up boards (13) are close to each other has paster membrane switch (14), fixed mounting has detection rod (15) on the shell fragment of paster membrane switch (14), the top face of detection base (10) is provided with scale (17).

2. The driven pulley shaft size detection apparatus as described in claim 1, wherein: the rolling support device comprises a movable shaft (5), balls (7) and a reset spring (9), wherein the movable shaft (5) is movably mounted in a main shell (4) in the radial direction and can slide in the main shell (4) in the radial direction, a casing (6) is fixedly mounted at one end, close to a bayonet (2), of the movable shaft (5), balls (7) capable of rotating in the casing (6) are movably mounted in the casing (6), the balls (7) are attached to the cambered surface of the bayonet (2), and the reset spring (9) is sleeved at the position, corresponding to the movable shaft (5), between the casing (6) and the main shell (4).

3. The driven pulley shaft size detection apparatus as described in claim 2, wherein: one end of the movable shaft (5) far away from the casing (6) is fixedly provided with a limiting plate (8), and the diameter of the limiting plate (8) is one five times of that of the movable shaft (5).

4. The driven pulley shaft size detection apparatus as described in claim 1, wherein: the patch membrane switches (14) and the detection rods (15) on the three groups of detection plates (13) are distributed complementarily.

5. The driven pulley shaft size detection apparatus as described in claim 1, wherein: the bottom end surfaces of the inclined plugboards (12) are mutually close, so that the end surfaces of the inclined plugboards (12) which are mutually far form inclined surfaces.

6. The driven pulley shaft size detection apparatus as described in claim 1, wherein: the top end surface of the detection base (10) is fixedly provided with an alarm lamp (16), and the patch membrane switches (14) on the group of detection plates (13) are connected in series and electrically connected with the alarm lamp (16).