CN111941362B

CN111941362B - Wiper detection device

Info

Publication number: CN111941362B
Application number: CN202010686764.6A
Authority: CN
Inventors: 范成志; 张家海; 李发友; 刘锷; 瞿金强; 杨旭东
Original assignee: Sichuan Fuji Electric Motor Co ltd
Current assignee: Sichuan Fuji Electric Motor Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2023-03-21
Anticipated expiration: 2040-07-16
Also published as: CN111941362A

Abstract

A wiper detection device is characterized in that a main frame is provided with a pair of stand columns, the stand columns are vertically provided with cross bars, the cross bars can move along the stand columns, and the stand columns can move along the axes of the cross bars; the clamping tool is positioned below the cross rod and provided with a pair of supporting frames and a fixing frame, and the supporting frames and the fixing frame are used for clamping the wiper and are adjustable in position; the swing mechanisms are provided with a pair of swing mechanisms which are movably arranged on the upright posts, the swing mechanisms are provided with encoders, the encoders are connected with rotating rods through universal joints, and the rotating rods are provided with connecting pipes in a sliding manner along the axes; the bottom of the simulation rod is provided with a connecting hole for connecting a rotating shaft of a wiper, the end parts of the connecting pipes are provided with the simulation rods, and universal joints are arranged between the connecting pipes and the simulation rods; the displacement mechanism is arranged on the cross rod and comprises a lifting device, a push rod of the lifting device is provided with a clamping device, and the clamping device is provided with a pair of clamping blocks for clamping the simulation rod; the noise meter is located clamping tool top. The method can be used for detecting wipers of various specifications, and reduces the production cost.

Description

Wiper detection device

Technical Field

The invention belongs to the field of wiper production, and particularly relates to a wiper detection device.

Background

When the wiper is produced, the swing angle, the working noise, the smoothness of each kinematic pair and the like of the wiper need to be detected, and the existing detection mode generally adopts the mode that the wiper is installed on a corresponding product to be used for live detection, such as a windshield of an automobile; the other detection mode which is closer to the actual working condition is that a wiper is directly arranged on the used whole vehicle for detection, and the whole vehicle is used as the main body of the detection device. Although the above two methods can reduce the working condition to the maximum extent, the following problems also exist:

1. the special and customized detection devices are high in degree, and the main body of each detection device can only be used for detecting one or a few types of wipers;

2. the wiper is usually customized according to different products of each automobile manufacturer, so wiper manufacturers can simultaneously produce wipers with various specifications, if the detection is carried out by adopting the method, a large number of side test devices can be added, the manufacturing, management and maintenance costs of the test devices are increased, and a large number of places are occupied for placing the test devices;

3. because the main part volume of the used testing arrangement of above mode is all comparatively huge, be not convenient for imbed the production line, realize assembly line production.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides the wiper detection device which can be embedded into a wiper production line, is convenient for the wiper to realize online inspection, realizes flow line production and is beneficial to improving the freshness efficiency; the device can be simultaneously used for clamping and detecting various wipers, so that the investment of the device is reduced, and the production and management costs are reduced.

In order to realize the purpose of the invention, the following scheme is adopted:

a wiper detection apparatus comprising: the device comprises a main frame, a clamping tool, a swinging mechanism, a simulation rod, a displacement mechanism and a noise instrument.

The main frame is provided with a pair of upright posts, the upright posts are vertically provided with a cross rod, the cross rod can move up and down along the upright posts, and the upright posts can move along the axis of the cross rod;

the clamping tool is positioned below the cross rod and provided with a pair of supporting frames and a fixing frame, and the supporting frames and the fixing frame are used for clamping the wiper and are adjustable in position;

the swing mechanisms are provided with a pair of swing mechanisms which are movably arranged on the stand columns, each swing mechanism is provided with an encoder, each encoder is connected with a rotating rod through a universal joint, and each rotating rod is provided with a connecting pipe in a sliding mode along the axis;

the bottom of the simulation rod is provided with a connecting hole for connecting a rotating shaft of a wiper, the end parts of the connecting tubes are provided with the simulation rods, and universal joints are arranged between the connecting tubes and the simulation rods;

the displacement mechanism is arranged on the cross rod and comprises a lifting device, a push rod of the lifting device is provided with a clamping device, and the clamping device is provided with a pair of clamping blocks for clamping the simulation rod;

the noise meter is located above the clamping tool.

Furthermore, the main frame still includes the sliding seat, the sliding seat is equipped with the slide rail, the slide rail slides and is equipped with the sliding block, the stand connect in the sliding block, the sliding seat slides and locates the base spout.

Further, the horizontal pole is equipped with two sets of coupling assembling, coupling assembling includes the connecting rod, the connecting rod pass through the connecting block install in the horizontal pole, the connecting rod is used for the installation elevating gear.

Furthermore, the upright posts, the cross rods and the connecting rods are all of cylindrical structures.

Furthermore, the support frame includes the bracing piece and locates perpendicularly the screw hole seat of bracing piece, screw hole seat is used for connecting the wiper mounting groove, screw hole seat can be followed the axis of bracing piece removes and winds the axis of bracing piece rotates, screw hole seat still can remove and revolve its axis along its self axis.

Further, the mount is equipped with connecting bolt, connecting bolt is used for connecting the wiper mounting hole, connecting bolt can realize the removal of 6 directions on the centre gripping frock to and the rotation of 2 directions.

Furthermore, the encoder is installed on an adjusting plate, the adjusting plate is slidably arranged on a rotating plate, the rotating plate is rotatably arranged on a rectangular sliding block, and the rectangular sliding block is slidably arranged on the stand column.

Furthermore, the device also comprises a friction plate, wherein the friction plate is of an arc-shaped structure, one end of the simulation rod is connected with the rotating shaft of the wiper during detection, and the other end of the simulation rod is always in contact with the friction plate.

Furthermore, the noise meter is detachably mounted on a groove-shaped block, a rectangular groove is formed in the front end of the groove-shaped block, an anti-slip pad is arranged on one inner side wall of the rectangular groove, at least one screw penetrates through the other side wall of the rectangular groove, a rubber head is arranged at the front end of the screw, and the groove-shaped block is movably connected to the cross rod.

Furthermore, the simulation rod penetrates through a screwing screw rod, a mounting hole of the screwing screw rod is communicated with the connecting hole, a handle is arranged on the screwing screw rod and can rotate around the screwing screw rod, and the simulation rod is further provided with a photoelectric switch which is used for sensing the handle.

The invention has the beneficial effects that:

1. the device can be used for detecting wipers of various specifications. The wiper is because the specification is different, so interval between its pivot and the inclination of pivot can be different, the interval of the mounting groove of wiper and inclination when installing also do not differ simultaneously, support frame and the mount that can the adjusting position on through the centre gripping frock cooperate the position of wiper mounting groove when carrying out the clamping to the wiper, the swing mechanism that detects swing angle adopts telescopic dwang and connecting pipe to be connected through the pivot of analog rod with the wiper, utilize the universal joint to the driven function of diversion simultaneously, carry out the transmission of pivot angle, thereby connect the wiper pivot at different spans and different inclinations.

2. The embedded wiper can be embedded into a production line of the wiper, so that the wiper can be conveniently inspected on line, the production line is realized, and the detection speed and the production efficiency are favorably improved.

3. The investment of the detection device can be reduced, the production cost and the management cost are reduced, and the occupied space of the detection device is saved.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

FIG. 1 shows the overall construction of the present invention;

FIG. 2 illustrates one embodiment of the present invention;

FIG. 3 shows the configuration of the main frame;

FIG. 4 illustrates the interconnection of the sliding seat, sliding block and stud;

FIG. 5 shows the configuration and positional relationship of the slide blocks and peripheral components;

FIG. 6 shows a configuration of the sliding seat;

fig. 7 shows the configuration of the clamping tool;

FIG. 8 shows the configuration of the swing mechanism and its connection to the analog bar;

FIG. 9 shows a configuration of a simulation rod;

FIG. 10 shows the structure of the tightening screw and the manner of attachment to the handle;

FIG. 11 shows the structure and connection of the friction plate to the adjustment base;

fig. 12 shows a state of connection of the wiper to the clamping fixture and the dummy bar;

FIG. 13 shows the overall construction of the displacement mechanism and the manner of attachment;

FIG. 14 shows the manner of attachment of the clamping blocks;

FIG. 15 shows the manner of installation of the noise meter;

fig. 16 shows a configuration of a wiper to which the present application is applied.

The labels in the figure are:

10-main frame, 11-column, 12-cross bar, 13-sliding seat, 131-sliding rail, 132-tightening screw, 14-sliding block, 15-base sliding groove, 16-annular opening locking block, 17-ball sleeve, 20-clamping tool, 201-mounting bottom plate, 202-strip-shaped groove, 21-support frame, 211-support rod, 212-threaded hole seat, 22-fixing frame, 221-connecting bolt, 222-displacement groove, 223-rectangular strip, 30-swing mechanism, 31-encoder, 32-transmission rod, 33-connecting pipe, 34-adjusting plate, 341-adjusting groove, 35-rotating plate, 36-rectangular sliding block, 40-simulation rod, 41-connecting hole, 42-tightening screw, 43-handle, 44-photoelectric switch, 45, 50-displacement mechanism, 51-lifting device, 52-clamping device, 53-clamping block, 54-flange block, 55-sliding plate, 56-sliding groove, 57-connecting rod, 60-noise instrument, 61-groove-type block, weight-displacement mechanism, 51-lifting device, 52-clamping device, 53-clamping device, 54-flange block, 55-sliding plate, 56-sliding plate, 57-connecting rod, 60-noise instrument, 61-groove, rectangular connecting rod, 90-connecting assembly, 90-connecting block, 90-connecting assembly, wiper head, wiper mounting groove, wiper head mounting groove, and wiper head mounting groove, 90-mounting groove, wiper head mounting groove, and wiper head mounting groove.

Detailed description of the preferred embodiments

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are a part of the embodiments of the present invention, not all of the embodiments of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either directly or indirectly through intervening media, or through both elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Examples

As shown in fig. 1 to 15, a wiper detecting apparatus includes a main frame 10, a clamping tool 20, a swing mechanism 30, a dummy bar 40, a displacement mechanism 50, and a noise meter 60.

For the purpose of facilitating understanding of the present application, a wiper clamping and a connecting manner with the present application will be briefly described with reference to fig. 16. The wiper 80 is mainly fixed by a pair of wiper mounting grooves 82 and a wiper mounting hole 83 during clamping, the swing angle to be measured mainly refers to the rotation angle of the wiper rotating shaft 81, and the wiper is connected with the wiper rotating shaft 81 through the simulation rod 40 during detection.

Specifically, as shown in fig. 3, the main frame 10 is provided with a pair of uprights 11, the uprights 11 are vertically provided with a cross bar 12, the cross bar 12 can move up and down along the uprights 11, the uprights 11 can move along the axis of the cross bar 12, the uprights 11 and the cross bar 12 are both made of cylindrical rods or cylindrical pipes, and have the same outer diameter;

more specifically, as shown in fig. 3 to 6, the main frame 10 further includes a sliding seat 13, the sliding seat 13 is provided with a sliding rail 131, the sliding rail 131 is a cylindrical structure, the sliding rail 131 is slidably provided with a sliding block 14, the sliding rail 131 is provided with two sliding blocks in parallel to enhance the connection stability of the sliding block 14, two sides of the sliding block 14 are provided with annular opening locking blocks 16, the annular opening locking blocks 16 are all sleeved on the sliding rail 131, and the sliding block 14 is fixed by the annular opening locking blocks 16; the bottom of the upright post 11 is provided with a connecting flange which is arranged at the top of the sliding block 14 through a screw; sliding seat 13 slides and locates base spout 15, and the slip direction of the sliding block 14 of slide rail 131 is perpendicular with sliding seat 13's slip direction, and base spout 15 sets up in the workstation surface, and sliding seat 13 bottom is worn to be equipped with top tight screw 132, and top tight screw 132 perpendicular to workstation surface fixes sliding seat 13 through the friction on top tight screw 132 and workstation surface, and sliding seat 13 promotes through the threaded rod.

Preferably, as shown in fig. 5, a ball sleeve 17 is provided between the slide block 14 and the slide rail 131 in order to make the slide block 14 slide on the slide rail 131 more smoothly and avoid abrasion.

Specifically, as shown in fig. 7, the clamping tool 20 is located below the cross bar 12, the clamping tool 20 includes a mounting base plate 201, the mounting base plate 201 is provided with a plurality of strip-shaped grooves 202 parallel to each other, a pair of support frames 21 and one fixing frame 22 are slidably disposed in the strip-shaped grooves 202, the support frames 21 and the fixing frames 22 are respectively located in the two strip-shaped grooves 202 spaced from each other, the support frames 21 and the fixing frames 22 are used for clamping the wiper 80, and the mutual positions of the support frames 21 and the fixing frames 22 are adjustable;

more specifically, the supporting frame 21 includes a supporting rod 211 and a screw hole seat 212 vertically disposed on the supporting rod 211, the screw hole seat 212 is used for connecting the wiper installation groove 82, and two screws are respectively screwed to the screw hole seat 212 through the wiper installation groove 82 to preliminarily fix the wiper 80. The support rod 211 and the connection part of the threaded hole seat 212 and the support rod 211 are both of a cylindrical structure, the threaded hole seat 212 can move along the axis of the support rod 211 and rotate around the axis of the support rod 211, and the threaded hole seat 212 can also move along the axis of the threaded hole seat 212 and rotate around the axis of the threaded hole seat, so that the adjustment of various positions of the threaded hole seat 212 is realized, and the adjustment can correspond to different positions of wiper mounting grooves 82 of wipers 80 with different specifications.

The fixed frame 22 is provided with two strip-shaped displacement grooves 222 which are perpendicular to each other, wherein one displacement groove 222 is connected to the strip-shaped groove 202 through a screw, the screw can relatively slide in the strip-shaped groove 202 and the displacement groove 222, the other displacement groove 222 is provided with a rectangular strip 223 in a sliding manner, one screw penetrates through the displacement groove 222 and is connected to one end of the rectangular strip 223, the rectangular strip 223 is perpendicular to the displacement groove 222, the rectangular strip 223 is vertically provided with a connecting bolt 221, the connecting bolt 221 penetrates through the connecting wiper mounting hole 83 and is tightly pressed on the surface of the wiper mounting hole 83 through a nut to finally fix the wiper 80, and the connecting bolt 221 can realize 6-direction movement on the clamping tool 20, wherein the movement includes 4-direction reciprocating movement realized along the strip-shaped groove 202 and the displacement groove 222 and movement realized along the upper and lower two-direction movement realized along the displacement groove 222 connected with the rectangular strip 223; and 2 directions of rotation, namely the rotation of the fixing frame 22 around the screw for connecting the fixing frame with the strip-shaped groove 202, and the rotation of the fixing frame 22 around the screw for connecting the rectangular strip 223, so that the clamping tool 20 can be suitable for clamping of wipers 80 with more specifications through the movement in 6 directions and the rotation in 2 directions.

Specifically, as shown in fig. 8, a pair of swing mechanisms 30 are provided, and are movably mounted on the column 11, the swing mechanisms 30 are provided with encoders 31, the encoders 31 are connected to rotating rods 32 through universal joints, and the rotating rods 32 are provided with connecting pipes 33 in a sliding manner along the axis.

More specifically, as shown in fig. 8, the encoder 31 is mounted on an adjusting plate 34, the adjusting plate 34 is provided with a strip-shaped adjusting slot 341, the adjusting plate 34 is slidably disposed on a rotating plate 35 through the adjusting slot 341, the rotating plate 35 is provided with two adjusting screws, and the two adjusting screws simultaneously pass through the adjusting slot 341 to ensure the mounting stability of the adjusting plate 34; the rotating plate 35 is rotatably arranged on a rectangular sliding block 36, the rectangular sliding block 36 is provided with a rotating screw, the rotating screw passes through the rotating plate 35 in a clearance mode, the rotating plate 35 can rotate around the rotating screw, the rotating plate 35 is provided with a pair of semicircular grooves in the periphery of the rotating screw, the rectangular sliding block 36 is provided with two locking screws which respectively pass through the two semicircular grooves, and the locking screws can relatively slide in the semicircular grooves and can also lock the rotating plate 35; the rectangular sliding block 36 is arranged on the upright post 11 in a sliding mode, and the rectangular sliding block 36 is connected with the upright post 11 through a round hole, so that the rectangular sliding block 36 can move along the axis of the upright post 11 and can rotate around the axis of the upright post 11, the adjusting range of the swing mechanism 30 is increased, and the layout and adjustment of the detection device are facilitated.

Specifically, as shown in fig. 9, the bottom of the dummy bar 40 is provided with a connection hole 41 for connecting a wiper shaft 81, the ends of the connection pipes 33 are provided with dummy bars 40, and a universal joint is provided between the connection pipes 33 and the dummy bars 40, so that the dummy bars 40 and the connection pipes 33 can rotate within a wider included angle range, which is beneficial to matching various inclination angles of the wiper shaft.

Preferably, the simulation rod 40 is provided with a weight 45, the friction force of the wiper blade during operation is simulated through the weight 45, the number of the weights 45 can be increased or decreased according to the specification and the load of the wiper blade, and the weight 45 is fixed on the simulation rod 40 through the matching of a stud and a nut.

Further preferably, the wiper detection device further comprises a friction plate 90, the friction plate 90 is of an arc-shaped structure, one end of the simulation rod 40 is connected with the rotating shaft of the wiper during detection, the other end of the simulation rod is always in contact with the friction plate 90, the contact between the simulation rod 40 and the friction plate 90 simulates the friction between the wiper and an acting object thereof, and the simulation rod 40 is also used for supporting the simulation rod 40 to prevent the wiper structure from being deformed due to the weight of the load.

Preferably, as shown in fig. 11, a pair of parallel flat plates 91 is disposed at the bottom of the friction plate 90, the flat plates 91 are each formed with a long hole 92, the friction plate 90 is connected to an adjusting base 93 through the long hole 92, the adjusting base 93 is provided with two parallel supporting plates 94 corresponding to the two flat plates 91, the supporting plates 94 are each provided with a locking screw, the locking screws respectively pass through the long holes 92, the friction plate 90 can move in the long holes 92 relative to the locking screws and can rotate around the locking screws, and the position of the friction plate 90 can be changed by moving and rotating, so that the friction plate can better match the swing track of the simulation rod 40.

Preferably, as shown in fig. 9 and 10, the dummy bar 40 is provided with a tightening screw 42, a mounting hole of the tightening screw 42 is communicated with the connection hole 41, and the tightening screw 42 is rotated after the wiper shaft 81 is inserted into the connection hole 41, so that the front end of the tightening screw 42 presses the wiper shaft 81 to prevent the dummy bar 40 from falling off during the detection. The tightening screw 42 is provided with a handle 43, the handle 43 is rotatable around the tightening screw 42, and the simulation rod 40 is further provided with a photoelectric switch 44, and the photoelectric switch 44 is used for sensing the handle 43. The tightening screw 42 is provided with a spline section and a polished rod section at a connecting part with the handle 43, the connecting position of the handle 43 and the tightening screw 42 is an internal spline which is matched with the spline section of the tightening screw 42 and used for rotating the tightening screw 42, the minimum diameter of the internal spline of the handle 43 is larger than the diameter of the polished rod section of the tightening screw 42, the handle 43 can rotate relative to the tightening screw 42 when being positioned at the polished rod section, after the tightening screw 42 compresses the wiper rotating shaft 81, the handle 43 is rotated to the scanning area of the photoelectric switch 44, and after the photoelectric switch 44 detects the handle 43, the tightening screw 42 is judged to be in a state of compressing the wiper rotating shaft 81, so that the detection work can be started. The handle 43 is limited by the end of the tightening screw 42 through a nut to prevent the handle 43 from falling off, and more preferably, a spring is arranged between the handle and the nut, and the handle 43 is located at the spline section through the spring to prevent the handle 43 from spontaneously rotating relative to the tightening screw 42 in the test process.

Specifically, as shown in fig. 13 and 14, the displacement mechanism 50 is disposed on the cross bar 12, the displacement mechanism 50 includes a lifting device 51, a clamping device 52 is disposed on a push rod of the lifting device 51, the lifting device 51 and the clamping device 52 both use an air cylinder as a power device, the lifting device 51 drives the clamping device 52 to ascend and descend, so as to separate and connect the analog rod 40 from the wiper rotating shaft 81, and the clamping device 52 is provided with a pair of clamping blocks 53 for clamping the analog rod 40.

More specifically, the pair of clamping blocks 53 are respectively connected to two sliding plates 55, the sliding plates 55 are slidably disposed in sliding grooves 56, and the two sliding plates 55 are both hinged to the push rod of the clamping device 52 through a connecting rod 57, the clamping blocks 53 are opened and clamped through the extension and retraction of the push rod of the clamping device 52, when the push rod of the clamping device 52 extends, the clamping blocks 53 are driven by the two sliding plates 55 to be opened, and at this time, the simulation rod 40 is released; when the push rod of the clamping device 52 is retracted, the two sliding plates 55 bring the clamping block 53 to close towards the middle, at this time, the clamping block 53 is fixed on the sliding plates 55 through screws in a state of clamping the simulation rod 40, and the inclination angle of the clamping block 53 on the sliding plates 55 can be adjusted to correspond to different inclination states of the simulation rod 40.

More specifically, the cross bar 12 is provided with two sets of connecting assemblies 70, each connecting assembly 70 comprises a connecting rod 71, each connecting rod 71 is mounted on the cross bar 12 through a connecting block 72, each connecting rod 71 is used for mounting the lifting device 51, the lifting device 51 is connected to the corresponding connecting rod 71 through a flange block 54, each connecting rod 71 is of a cylindrical pipe or cylindrical rod structure, the flange blocks 54 can move along the axis of the corresponding connecting rods 71, or the axis of the corresponding connecting rods 71 can rotate, so that the position adjusting range of the displacement mechanism 50 can be increased, the overall layout of the detection device can be conveniently detected, and wipers of more specifications can be adapted.

Specifically, as shown in fig. 2 and 15, the noise meter 60 is provided above the clamp tool 20. The noise meter 60 is detachably mounted on a groove-shaped block 61, a rectangular groove 611 is formed in the front end of the groove-shaped block 61, an anti-slip pad 612 is arranged on one inner side wall of the rectangular groove 611, the anti-slip pad 612 is made of rubber, at least one screw penetrates through the other side wall of the groove-shaped block, two screws are arranged in the embodiment, the noise meter 60 can be tightly pressed and fixed by adopting at least one screw, and the vertical position of the noise meter 60 in the rectangular groove 611 can be adjusted. The channel block 61 is movably connected to the crossbar 12. The channel block 61 is connected to the crossbar 12 by a circular hole, and the channel block 61 is movable along the axis of the crossbar 12 and rotatable about the axis of the crossbar 12 to facilitate adjustment of the position of the noise meter 60.

Preferably, as shown in fig. 15, a rubber head 613 is provided at the front end of a screw for pressing the noise meter 60, and the rubber head 613 is screwed to the screw.

The working principle of the application is briefly described by combining the above and the attached drawings.

The device for adjusting and detecting the wiper 80 comprises a main frame 10, a clamping tool 20, a swing mechanism 30 and a displacement mechanism 50.

Installing the wiper 80 on the clamping tool 20, adjusting the positions of the support frame 21 and the fixing frame 22, and clamping and fixing the wiper 80;

adjusting the main frame 10, moving the sliding seat 13 through a threaded push rod to change the span between the two upright posts 11, then fixing the sliding seat 13, adjusting the height of the cross rod 12 and locking and fixing;

the oscillating mechanism 30 is adjusted by firstly installing the simulation rod 40 on the wiper rotating shaft 81, then adjusting the position of the friction plate 90 to enable the connecting hole 41 and the wiper rotating shaft 81 to be in a coaxial state, stably arranging the simulation rod 40 on the friction plate 90, then primarily adjusting the height of the encoder 31 by moving the rectangular sliding block 36, then adjusting the rotation angle of the rotating plate 35 to enable the included angle between the connecting pipe 33 and the simulation rod 40 to tend to 90 degrees as much as possible and enable the transmission rod 32 and the rotating shaft of the encoder 31 to tend to be coaxial as much as possible, then enabling the connecting pipe 33 and the transmission rod 32 to be in an extended state by adjusting the position of the adjusting plate 34, and then screwing and fixing parts at each adjusting position after the adjustment, wherein the adjusting modes of the oscillating mechanisms 30 at the two sides are the same. The installation position of the reserved displacement mechanism 50 needs to be considered during adjustment;

the displacement adjusting mechanism 50 firstly extends the push rod of the lifting device 51 to a set position, so that the clamping block 53 just clamps the simulation rod 40, and the position is just the critical position for clamping and releasing the simulation rod 40 by the clamping block 53, in the process, the position of the lifting device 51 can be changed by adjusting the position of the connecting assembly 70, and finally the position of the clamping block 53 is changed, and the extending and retracting direction of the lifting device 51 is parallel to the axis of the wiper rotating shaft 81;

the position of the noise meter 60 is adjusted so that the reception point of the noise meter 60 is located above and between the two friction plates 90.

The method is a primary adjustment method for a new product, and adjustment is not needed for detection work of the same product.

When the detection work is carried out, firstly, the wiper is clamped on the clamping tool; the lifting device 51 is extended, and the simulation rod 40 is clamped between the clamping blocks 53; the connecting hole 41 is sleeved on the wiper rotating shaft 81, the wiper rotating shaft 81 is pressed tightly by adopting the tightening screw rod 42, and then the handle 43 is rotated to the scanning trend of the photoelectric switch 44; when the detection is started, the clamping block 53 loosens the simulation rod 40, the lifting device 51 retracts to drive the clamping block 53 to move upwards, and at the moment, the clamping block 53 is always in an open state until the next clamping; electrifying a motor of the wiper 80, driving a wiper rotating shaft 81 to swing by the motor, transmitting the swing angle to the encoder 31 through the simulation rod 40, the connecting pipe 33 and the transmission rod 32, transmitting information data to an upper computer by the encoder 31, displaying the detected swing angle by the upper computer, and printing the detection structure of the swing angle by the upper computer through printing equipment; in this process, noise measurement is performed by the noise meter 60, and the smoothness of movement between the respective connection mechanisms of the wiper 80 is visually checked. After the detection is finished, the power supply of the motor of the wiper 80 is cut off, the lifting device 51 extends out to drive the clamping block 53 to move downwards, and the clamping block 53 clamps the simulation rod 40 again; the tightening screw 42 is loosened, the lifting device 51 is retracted, the holding block 53 and the dummy bar 40 are simultaneously moved upward, and then the wiper 80 is taken out. This completes the detection of the wiper 80 once.

The foregoing is only a preferred embodiment of the present invention and is not intended to be exhaustive or to limit the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention.

Claims

1. A wiper detecting apparatus, comprising:

the device comprises a main frame (10), wherein the main frame (10) is provided with a pair of upright posts (11), the upright posts (11) are vertically provided with a cross rod (12), the cross rod (12) can move up and down along the upright posts (11), and the upright posts (11) can move along the axis of the cross rod (12);

the clamping tool (20) is positioned below the cross rod (12), the clamping tool (20) is provided with a pair of supporting frames (21) and a fixing frame (22), and the supporting frames (21) and the fixing frame (22) are used for clamping the wiper and are adjustable in position;

the device comprises a pair of swing mechanisms (30), wherein the swing mechanisms (30) are movably mounted on the upright posts (11), the swing mechanisms (30) are provided with encoders (31), the encoders (31) are connected with rotating rods (32) through universal joints, and the rotating rods (32) are provided with connecting pipes (33) in a sliding manner along the axis;

the simulation rod (40), the bottom of the simulation rod (40) is provided with a connecting hole (41) for connecting a rotating shaft of a wiper, the simulation rod (40) is arranged at the end part of the connecting pipe (33), and a universal joint is arranged between the connecting pipe (33) and the simulation rod (40);

the displacement mechanism (50) is arranged on the cross rod (12), the displacement mechanism (50) comprises a lifting device (51), a clamping device (52) is arranged on a push rod of the lifting device (51), and the clamping device (52) is provided with a pair of clamping blocks (53) for clamping the simulation rod (40); and

and the noise meter (60) is arranged above the clamping tool (20).

2. The wiper detection device according to claim 1, wherein the main frame (10) further comprises a sliding seat (13), the sliding seat (13) is provided with a sliding rail (131), the sliding rail (131) is slidably provided with a sliding block (14), the upright (11) is connected to the sliding block (14), and the sliding seat (13) is slidably provided with a base sliding groove (15).

3. A wiper detection apparatus according to claim 1, wherein the cross bar (12) is provided with two sets of connecting members (70), the connecting members (70) comprising connecting rods (71), the connecting rods (71) being mounted to the cross bar (12) by connecting blocks (72), the connecting rods (71) being used for mounting the lifting means (51).

4. A wiper detection apparatus according to claim 3, wherein the upright (11), the cross bar (12) and the connecting rod (71) are all of a cylindrical structure.

5. The wiper detection apparatus according to claim 1, wherein the support frame (21) comprises a support rod (211) and a threaded socket (212) vertically disposed on the support rod (211), the threaded socket (212) is used for connecting a wiper mounting groove (82), the threaded socket (212) is movable along an axis of the support rod (211) and rotatable around the axis of the support rod (211), and the threaded socket (212) is further movable along its own axis and rotatable around its axis.

6. The wiper detection device according to claim 1, wherein the fixing frame (22) is provided with a connecting bolt (221), the connecting bolt (221) is used for connecting a wiper mounting hole, and the connecting bolt (221) can realize 6-direction movement and 2-direction rotation on the clamping tool (20).

7. A wiper sensing apparatus according to claim 1, wherein the encoder (31) is mounted to an adjusting plate (34), the adjusting plate (34) is slidably mounted to a rotating plate (35), the rotating plate (35) is rotatably mounted to a rectangular slider (36), and the rectangular slider (36) is slidably mounted to the pillar (11).

8. The wiper detection apparatus according to claim 1, further comprising a friction plate (90), wherein the friction plate (90) has an arc-shaped structure, and one end of the dummy bar (40) is connected to the wiper shaft while the other end is always in contact with the friction plate (90) during the detection.

9. The wiper detection device according to claim 1, wherein the noise meter (60) is detachably mounted on a channel-shaped block (61), the front end of the channel-shaped block (61) is provided with a rectangular groove (611), one inner side wall of the rectangular groove (611) is provided with an anti-slip pad (612), the other side wall is provided with at least one screw, the front end of the screw is provided with a rubber head (613), and the channel-shaped block (61) is movably connected to the cross bar (12).

10. A wiper detecting device according to claim 1, wherein the dummy bar (40) is provided with a tightening screw (42) through the mounting hole of the tightening screw (42) and the connecting hole (41), the tightening screw (42) is provided with a handle (43), the handle (43) is rotatable around the tightening screw (42), and the dummy bar (40) is further provided with a photoelectric switch (44), and the photoelectric switch (44) is used for sensing the handle (43).