CN110017753B - Plate spring calibration device - Google Patents
Plate spring calibration device Download PDFInfo
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- CN110017753B CN110017753B CN201910423743.2A CN201910423743A CN110017753B CN 110017753 B CN110017753 B CN 110017753B CN 201910423743 A CN201910423743 A CN 201910423743A CN 110017753 B CN110017753 B CN 110017753B
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- connecting rod
- workbench
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- plate spring
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a plate spring checking device, wherein during checking, a plate spring is placed on a workbench, a positioning seat is moved to extend into a rolling lug of the plate spring, then a knob is rotated to rotate a rotating shaft so as to drive a rotating gear to rotate, the rotating gear is meshed with and drives two adjusting racks, a sliding rod extends towards the outside of a containing gun until a sliding sleeve abuts against the inner wall of the rolling lug, the knob is continuously rotated due to the fact that the sliding sleeve can slide, the axis of the rotating shaft can be coincided with the circle of the rolling lug, at the moment, a connecting rod is coincided with a connecting line of the centers of circles of the two rolling lugs, a distance meter is opened for distance measurement, the reading is accurate.
Description
Technical Field
The invention relates to the technical field of plate spring checking equipment, in particular to a plate spring checking device.
Background
The plate spring is the most conventional elastic element in the suspension system of the automobile, and is widely used due to good reliability, simple structure and low manufacturing cost. The plate spring is composed of a plurality of pieces of alloy spring steel with different lengths, and the whole plate spring is in an arched beam shape, plays a role in buffering vibration in an automobile, and reduces the vibration of an automobile body.
The leaf spring is produced in the mill and is accomplished the back, need install on the car, when the installation, has certain requirement to the camber of leaf spring, and the camber of leaf spring is the distance to the leaf spring arc top of the line at two book ear centers of leaf spring promptly, if the camber of leaf spring is on the large side, then difficult installation, if the camber of leaf spring is less, then the damping effect of leaf spring can be largely discounted. The current means of measuring the camber of a leaf spring is usually a worker positioning a measuring tool in the two ears of the leaf spring, and then measuring by a ruler.
The applicant has found that the prior art has at least the following problems:
the measuring tool can not accurately position the center of the spring eye of the plate spring, and the arc height of the plate spring is large in measurement error due to manual reading.
Disclosure of Invention
In view of this, the present invention provides a plate spring calibration apparatus, which solves the problem that a measurement tool cannot accurately position the center of a spring eye of a plate spring, and a measurement error of a plate spring arc height is large due to manual reading.
The invention provides a plate spring calibration device based on the above purpose, which comprises a workbench, wherein supporting legs are arranged below the workbench, a magnetic plate is arranged above the workbench, two positioning seats are arranged on the magnetic plate in an adsorption manner, a connecting rod is fixedly connected between the two positioning seats, a distance meter is arranged in the middle of the connecting rod, specifically, the positioning seats comprise a cylindrical shell, a containing cavity is arranged in the shell, a rotating gear is arranged in the containing cavity, the rotating gear is arranged on a rotating shaft, a fixing sleeve is sleeved outside the rotating shaft, the rotating shaft can rotate in the fixing sleeve, one end of the rotating shaft extends out of the containing cavity and is provided with a knob, a fixed connecting rod is fixedly connected on the fixing sleeve, the other end of the fixed connecting rod is fixedly connected on the inner wall of the containing cavity, two adjusting racks are respectively meshed, two regulation rack one end integrated into one piece respectively has the slide bar, two the slide bar is located a diameter of casing cross-section, two slide bar one end is stretched out the casing is connected with the installation axle, the axle center of installation axle is parallel with the casing axle center, install the epaxial sliding sleeve that installs of axle, be equipped with the ball between sliding sleeve and the installation axle, the outside cover of casing is equipped with the swivel nut, the outside fixedly connected with connecting rod of swivel nut, the connecting rod extension line is through the axle of casing, the casing is kept away from the absorption magnet is installed to the one end of knob.
Optionally, a plurality of springs are fixedly connected to the outer periphery of the shell, the springs are connected with a guide plate, and one end of the guide plate is provided with a guide arc portion which is bent inwards.
Optionally, the connecting rod middle part is equipped with length adjustment ware, length adjustment ware includes the shell, and the inside regulation chamber that is equipped with of shell, regulation chamber both ends are equipped with the through-hole, supply the connecting rod to stretch out and retract adjust the chamber, it is equipped with adjusting gear to adjust intracavity portion, both sides mesh respectively about adjusting gear is connected with synchronous rack, synchronous rack is connected respectively in the tip of the strong inside two extension poles of even regulation, install the installation piece on the shell, the distancer is installed on the installation piece.
Optionally, fixed mounting has a plurality of stands on the workstation, the stand top is equipped with the elevating platform, and the elevating platform top is equipped with the slip track, and the sliding platform is installed in the cooperation on the slip track, the last electric telescopic handle that installs of sliding platform, electric telescopic handle's bottom is equipped with the couple, driving motor is installed to elevating platform one end, install driving pulley on the driving motor output shaft, the driving pulley transmission is connected with the belt, belt drive is connected with driven pulleys, driven pulleys coaxial coupling has drive sprocket, the drive sprocket meshing is connected with the driving chain, the meshing of the driving chain other end is connected with fixed sprocket, sliding platform and driving chain fixed connection.
Optionally, the workbench is provided with a first equal-height platform and a second equal-height platform, the first equal-height platform is provided with a first opposite switch, the second equal-height platform is provided with a second opposite switch, and the first opposite switch and the second opposite switch are arranged oppositely.
Optionally, a guide rail is arranged on the workbench, and the first equal-height platform and the second equal-height platform are mounted on the guide rail.
From the above, according to the plate spring checking device provided by the invention, during checking, the plate spring is placed on the workbench, the positioning seat is moved to extend into the eye of the plate spring, then the knob is rotated to rotate the rotating shaft, so that the rotating gear is driven to rotate, the rotating gear is meshed with and drives the two adjusting racks to enable the sliding rod to extend towards the outside of the containing gun until the sliding sleeve abuts against the inner wall of the eye, the knob is rotated continuously due to the fact that the sliding sleeve can slide, the axis of the rotating shaft can be coincided with the circle of the eye, at the moment, the connecting rod is coincided with the connecting line of the circle centers of the two eyes, the distance meter is opened to measure the distance, the reading is accurate.
As another aspect of the invention, the length regulator can enable the connecting rods at the two ends of the length regulator to synchronously extend and shorten, the distance measuring instrument is always kept at the middle position, and the measuring precision of the device is improved while the device is suitable for plate springs of different models.
Drawings
Fig. 1 is a schematic diagram of a leaf spring verification apparatus according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of a positioning seat of a leaf spring calibration apparatus according to an embodiment of the present invention;
fig. 3 is a top view of two positioning bases of a leaf spring checking device according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an internal structure of a length adjuster of a leaf spring verification apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
As one embodiment of the present invention, as shown in the figure, a plate spring calibration apparatus includes a workbench 101, a supporting leg 102 is disposed below the workbench 101, a magnetic plate 103 is disposed above the workbench 101, two positioning seats 21 are attached to the magnetic plate 103, a connecting rod 213 is fixedly connected between the two positioning seats 21, and a distance meter 225 is disposed in the middle of the connecting rod 213. Specifically, the positioning seat 21 includes a cylindrical housing 201, an accommodating cavity is provided inside the housing 201, a rotating gear (not shown in the figure) is provided inside the accommodating cavity, the rotating gear is mounted on a rotating shaft 209, a fixing sleeve 207 is sleeved outside the rotating shaft 209, the rotating shaft 209 can rotate in the fixing sleeve 207, one end of the rotating shaft 209 extends out of the accommodating cavity and is provided with a knob 2090, the fixing sleeve 207 is fixedly connected with a fixing connecting rod 208, the other end of the fixing connecting rod 208 is fixedly connected to the inner wall of the accommodating cavity, two sides of the rotating gear are respectively engaged and connected with two adjusting racks 206, one end of each of the two adjusting racks 206 is respectively and integrally formed with a sliding rod 202, the two sliding rods 202 are located on one diameter of the cross section of the housing 201, one end of each of the two sliding rods 202 extends out of the housing 201 and is connected with a, a sliding sleeve 204 is mounted on the mounting shaft 203, a ball 205 is arranged between the sliding sleeve 204 and the mounting shaft 203, a rotating sleeve 212 is sleeved outside the housing 201, a connecting rod 213 is fixedly connected outside the rotating sleeve 212, an extension line of the connecting rod 213 passes through a shaft of the housing 201, and an adsorption magnet 214 is mounted at one end, far away from the knob 2090, of the housing 201. When checking, the plate spring is placed on the workbench 101, the positioning seat 21 is moved to extend into a winding lug of the plate spring, then the knob 2090 is rotated to rotate the rotating shaft 209 so as to drive the rotating gear to rotate, the rotating gear is meshed with and drives the two adjusting racks 206, so that the sliding rod 202 extends towards the outside of the gun until the sliding sleeve 204 abuts against the inner wall of the winding lug, the knob 2090 is rotated continuously because the sliding sleeve 204 can slide, the axis of the rotating shaft 209 can be coincided with the circle of the winding lug, at the moment, the connecting rod 213 is coincided with a connecting line of the circle centers of the two winding lugs, the distance meter 225 is opened to measure the distance, the reading is accurate, and the.
In this embodiment, in order to fix the positioning seat 21 better, a plurality of springs 210 are fixedly connected to the outer periphery of the housing 201, a guide plate 211 is connected to the plurality of springs 210, a guide arc portion 2110 which is bent inward is arranged at one end of the guide plate 211, the guide arc portion 2110 facilitates entering when the positioning seat 21 is inserted into the rolling lug, and after the insertion, the guide plate 211 supports the inner wall of the rolling lug in cooperation with the springs, so that the positioning seat 21 can be fixed in the rolling lug.
In this embodiment, in order to enable the device to be suitable for leaf springs of different models, a length adjuster 22 is disposed in the middle of the connecting rod 213, the length adjuster 22 includes a housing 220, an adjusting cavity 2201 is disposed in the housing 220, through holes are disposed at two ends of the adjusting cavity 2201 for the connecting rod 213 to extend out of and retract into the adjusting cavity 2201, an adjusting gear 221 is disposed in the adjusting cavity 2201, the upper and lower sides of the adjusting gear 221 are respectively engaged with a synchronizing rack 2131, the synchronizing rack 2131 is respectively connected to the end portions of two connecting rods 213 inside the connecting adjusting cavity 2201, a mounting block 224 is mounted on the housing 220, and the distance meter 225 is mounted on the mounting block 224. Through the cooperation of the adjusting gear 221 and the synchronizing rack 2131, the connecting rods 213 at the two ends of the length adjuster 22 extend out of the adjusting cavity 2201 and retract into the adjusting cavity 2201 at the same time, so that the distance between the two positioning seats 21 is changed, and the distance meter 225 is always located at the midpoint of the two positioning seats 21, so that the arc height can be checked more accurately.
In this embodiment, in order to move the leaf spring more easily, a plurality of columns 301 are fixedly installed on the table 101, a lifting platform 302 is arranged at the top of the upright column 301, a sliding rail (not shown) is arranged above the lifting platform 302, a sliding platform 303 is arranged on the sliding rail in a matching way, an electric telescopic rod 304 is arranged on the sliding platform, a hook 305 is arranged at the bottom end of the electric telescopic rod 304, a driving motor 306 is installed at one end of the lifting platform 302, a driving belt wheel 307 is installed on an output shaft of the driving motor 306, the driving belt wheel 307 is connected with a belt 310 in a transmission way, the belt 310 is connected with a driven belt wheel 309 in a transmission way, the driven belt wheel 309 is coaxially connected with a driving chain wheel 308, the driving chain wheel 308 is connected with a transmission chain 311 in a meshing way, the other end of the transmission chain 311 is engaged with a fixed chain wheel 312, and the sliding platform 303 is fixedly connected with the transmission chain 311. During verification, the plate spring can be fixed on the hook 305, the driving motor 306 drives the transmission chain 311 to move, so that the plate spring moves left and right, and the lifting motor 304 realizes the up and down movement of the plate spring.
In this embodiment, the workbench 101 is installed with a first equal-height platform 104 and a second equal-height platform 106, the first equal-height platform 104 is provided with a first opposite switch 105, the second equal-height platform 106 is provided with a second opposite switch 107, the first opposite switch 105 and the second opposite switch 107 are arranged oppositely, and whether the first equal-height platform 104 and the second equal-height platform 106 are horizontal or not is determined.
In the present embodiment, a guide rail (not shown) is disposed on the working platform 101, and the first equal-height platform 104 and the second equal-height platform 106 are mounted on the guide rail to adapt to different types of leaf springs.
The working principle of the invention is as follows: when checking, the plate spring is placed on the workbench 101, the positioning seat 21 is moved to extend into a winding lug of the plate spring, then the knob 2090 is rotated to rotate the rotating shaft 209 so as to drive the rotating gear to rotate, the rotating gear is meshed with and drives the two adjusting racks 206, so that the sliding rod 202 extends towards the outside of the gun until the sliding sleeve 204 abuts against the inner wall of the winding lug, the knob 2090 is rotated continuously because the sliding sleeve 204 can slide, the axis of the rotating shaft 209 can be coincided with the circle of the winding lug, at the moment, the connecting rod 213 is coincided with a connecting line of the circle centers of the two winding lugs, the distance meter 225 is opened to measure the distance, the reading is accurate, and the.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims), is limited to these examples; within the idea of the invention, also features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity.
In addition, well known power/ground connections to integrated circuit IC chips and other components may or may not be shown within the provided figures for simplicity of illustration and discussion, and so as not to obscure the invention. Furthermore, devices may be shown in block diagram form in order to avoid obscuring the invention, and also in view of the fact that specifics with respect to implementation of such block diagram devices are highly dependent upon the platform within which the present invention is to be implemented, i.e., specifics should be well within purview of one skilled in the art. Where specific details are set forth, such as circuits to describe example embodiments of the invention, it will be apparent to one skilled in the art that the invention may be practiced without, or with variation of, these specific details. Accordingly, the description is to be regarded as illustrative instead of restrictive.
While the present invention has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description. For example, other memory architectures such as dynamic RAMDRAM may use the discussed embodiments.
The embodiments of the invention are intended to embrace all such alternatives, modifications and variances that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements and the like that may be made without departing from the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (6)
1. A leaf spring calibration equipment which characterized in that: the device comprises a workbench, wherein supporting legs are arranged below the workbench, a magnetic plate is arranged above the workbench, two positioning seats are arranged on the magnetic plate in an adsorption manner, a connecting rod is fixedly connected between the two positioning seats, a distance measuring instrument is arranged in the middle of the connecting rod, specifically, the positioning seats comprise a cylindrical shell, a containing cavity is arranged in the shell, a rotating gear is arranged in the containing cavity, the rotating gear is arranged on a rotating shaft, a fixing sleeve is sleeved outside the rotating shaft, the rotating shaft can rotate in the fixing sleeve, one end of the rotating shaft extends out of the containing cavity and is provided with a knob, a fixed connecting rod is fixedly connected on the fixing sleeve, the other end of the fixed connecting rod is fixedly connected on the inner wall of the containing cavity, two adjusting racks are respectively connected to two sides of the rotating gear in a meshing manner, two the slide bar is located a diameter of casing cross-section, two slide bar one end is stretched out the casing is connected with the installation axle, the axle center and the casing axle center of installation axle are parallel, install the epaxial sliding sleeve that installs of axle, be equipped with the ball between sliding sleeve and the installation axle, the outside cover of casing is equipped with the swivel nut, the outside fixedly connected with connecting rod of swivel nut, connecting rod extension line are through the axle of casing, the casing is kept away from the one end of knob is installed and is adsorbed the magnet.
2. The leaf spring calibration device of claim 1, wherein a plurality of springs are fixedly connected to the outer peripheral side of the housing, a guide plate is connected to the plurality of springs, and a guide arc portion bent inward is formed at one end of the guide plate.
3. The plate spring calibration device according to claim 1, wherein a length adjuster is disposed in the middle of the connecting rod, the length adjuster includes a housing, an adjusting cavity is disposed in the housing, through holes are disposed at two ends of the adjusting cavity for the connecting rod to extend out of and retract into the adjusting cavity, an adjusting gear is disposed in the adjusting cavity, synchronous racks are respectively engaged and connected to upper and lower sides of the adjusting gear, the synchronous racks are respectively connected to ends of two connecting rods inside the adjusting cavity, a mounting block is mounted on the housing, and the distance meter is mounted on the mounting block.
4. The plate spring calibration device according to claim 1, wherein a plurality of upright posts are fixedly mounted on the workbench, a lifting table is disposed at the tops of the upright posts, a sliding rail is disposed above the lifting table, a sliding platform is fittingly mounted on the sliding rail, an electric telescopic rod is mounted on the sliding platform, a hook is disposed at the bottom end of the electric telescopic rod, a driving motor is mounted at one end of the lifting table, a driving pulley is mounted on an output shaft of the driving motor, the driving pulley is connected with a belt in a transmission manner, a driven pulley is connected with the belt in a transmission manner, a driving sprocket is coaxially connected with the driven pulley, a transmission chain is connected with the driving sprocket in an engagement manner, a fixed sprocket is connected with the other end of the transmission chain in an engagement manner, and.
5. The leaf spring calibration device of claim 1, wherein the workbench is provided with a first equal-height platform and a second equal-height platform, the first equal-height platform is provided with a first opposite-emitting switch, the second equal-height platform is provided with a second opposite-emitting switch, and the first opposite-emitting switch and the second opposite-emitting switch are arranged oppositely.
6. The leaf spring checking device of claim 5, wherein the worktable is provided with a guide rail, and the first equal-height platform and the second equal-height platform are mounted on the guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423743.2A CN110017753B (en) | 2019-05-21 | 2019-05-21 | Plate spring calibration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423743.2A CN110017753B (en) | 2019-05-21 | 2019-05-21 | Plate spring calibration device |
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| Publication Number | Publication Date |
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| CN110017753A CN110017753A (en) | 2019-07-16 |
| CN110017753B true CN110017753B (en) | 2021-03-16 |
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| CN201910423743.2A Active CN110017753B (en) | 2019-05-21 | 2019-05-21 | Plate spring calibration device |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111272050B (en) * | 2020-03-18 | 2020-12-11 | 新沂市锡沂高新材料产业技术研究院有限公司 | Pottery deformability test machine |
| CN114855777B (en) * | 2022-06-15 | 2023-06-06 | 中交三公局第一工程有限公司 | Reverse circulation pore-forming super-long large-diameter underwater bored pile construction technology |
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| US3943632A (en) * | 1973-09-04 | 1976-03-16 | Finike Italiana Marposs, Soc. In Accomandita Semplice Di Mario Possati & C. | Apparatus for measuring the length of curvilinear segments |
| EP0990490A1 (en) * | 1998-10-02 | 2000-04-05 | Hans Oetiker AG Maschinen- und Apparatefabrik | Device for positioning, clamping and compacting a ring-shaped holder |
| CN102609578A (en) * | 2012-01-20 | 2012-07-25 | 重庆长安汽车股份有限公司 | Construction method of car steel plate spring multi-body model |
| CN207423060U (en) * | 2017-11-29 | 2018-05-29 | 东风汽车悬架弹簧有限公司 | A kind of location structure for being used to measure half chord length of leaf spring |
| CN207710264U (en) * | 2017-12-28 | 2018-08-10 | 山东森德数控机械有限公司 | A kind of leaf spring double-station assembly line |
| CN108534633A (en) * | 2018-04-11 | 2018-09-14 | 安徽江淮汽车集团股份有限公司 | Leaf spring camber detection device |
-
2019
- 2019-05-21 CN CN201910423743.2A patent/CN110017753B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3943632A (en) * | 1973-09-04 | 1976-03-16 | Finike Italiana Marposs, Soc. In Accomandita Semplice Di Mario Possati & C. | Apparatus for measuring the length of curvilinear segments |
| EP0990490A1 (en) * | 1998-10-02 | 2000-04-05 | Hans Oetiker AG Maschinen- und Apparatefabrik | Device for positioning, clamping and compacting a ring-shaped holder |
| CN102609578A (en) * | 2012-01-20 | 2012-07-25 | 重庆长安汽车股份有限公司 | Construction method of car steel plate spring multi-body model |
| CN207423060U (en) * | 2017-11-29 | 2018-05-29 | 东风汽车悬架弹簧有限公司 | A kind of location structure for being used to measure half chord length of leaf spring |
| CN207710264U (en) * | 2017-12-28 | 2018-08-10 | 山东森德数控机械有限公司 | A kind of leaf spring double-station assembly line |
| CN108534633A (en) * | 2018-04-11 | 2018-09-14 | 安徽江淮汽车集团股份有限公司 | Leaf spring camber detection device |
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