CN215217889U - Special-shaped end cap flexible shaft pull-out force test equipment - Google Patents

Abstract

The utility model relates to a flexible axle test technical field, the utility model discloses a heterotypic end cap flexible axle pulls out power test equipment, include: a test plate movable in a horizontal direction; the mounting block is fixedly inserted on the surface of the test board, and a limiting groove for placing the special-shaped end cap is formed in the surface of the mounting block; the clamping mechanism is arranged on one side of the test board and comprises two symmetrically arranged clamping plates, one clamping plate can be close to or far away from the other clamping plate, and a clamping channel for clamping the flexible shaft is formed between the two clamping plates. The utility model discloses a set up spacing recess (profile modeling recess) on installation piece and the installation, realize the fixed to heterotypic end cap flexible axle, adopt and press from both sides manual pushing down heterotypic end cap flexible axle soon, can realize stabilizing the effect of centre gripping, improve test accuracy to can not cause the damage to heterotypic end cap.

Description

Special-shaped end cap flexible shaft pull-out force test equipment

Technical Field

The utility model relates to a flexible axle test technical field especially involves a heterotypic end cap flexible axle pulls out power test equipment.

Background

The special-shaped end cap is hot-riveted on the flexible shaft, the phenomenon that the end cap falls off frequently occurs, the special-shaped end cap is special and is an appearance piece (the surface cannot be damaged), the conventional detection can only be manually pulled, the effect is not ensured due to the fact that the pulling force value of manual detection is unstable, and the quality problem of the special-shaped end cap flexible shaft cannot be detected only by manual detection.

And because the special-shaped end cap is smooth in shape, if the special-shaped end cap is directly clamped by a servo motor clamping mechanism, the special-shaped end cap is easily damaged, and the irreversible condition is caused. Therefore, developing a pretension testing device aiming at the special-shaped end cap flexible shaft is very important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a heterotypic end cap flexible axle pulls off power test equipment.

The utility model discloses a realize through following technical scheme:

a special-shaped end cap flexible shaft pull-off force test device comprises:

a test plate movable in a horizontal direction;

the mounting block is fixedly inserted on the surface of the test board, and a limiting groove for placing the special-shaped end cap is formed in the surface of the mounting block;

the clamping mechanism is arranged on one side of the test board and comprises two symmetrically arranged clamping plates, one clamping plate can be close to or far away from the other clamping plate, and a clamping channel for clamping the flexible shaft is formed between the two clamping plates.

Among the above-mentioned technical scheme, at first place the heterotypic end cap part of heterotypic end cap flexible axle in the spacing recess of installation piece, then straighten the flexible axle part of heterotypic end cap flexible axle and place in pressing from both sides tight passageway, then just control wherein another clamp plate removes and makes the flexible axle part press from both sides tightly, then through providing the pulling force of a direction of keeping away from clamping mechanism for surveying the board, thereby realize the test work to heterotypic end cap flexible axle, therefore, accomplish the spacing to heterotypic end cap part through spacing recess, clamping mechanism presss from both sides tight to the flexible axle part, after exerting the pulling force to surveying the board, can test the resistant tension experiment of heterotypic end cap flexible axle, when the partial pine of heterotypic end cap takes off the flexible axle part then judge the product unqualified, the setting of spacing recess has avoided directly pressing from both sides tight heterotypic end cap part, can avoid the damage to the heterotypic end cap.

As a preferred embodiment of the present invention: the surface of the test board is provided with a mounting hole, and the bottom of the mounting block is inserted into the mounting hole.

Among the above-mentioned technical scheme, the mounting block is pegged graft and is fixed in the mounting hole of surveying the board, when needs test to the heterotypic end cap part of the heterotypic end cap flexible axle of different shapes, only need change the mounting block can, but adaptability strengthens greatly.

As a preferred embodiment of the present invention: the mounting block is fixedly inserted at one side of the test board close to the clamping mechanism.

Among the above-mentioned technical scheme, the installation piece is located the one side that is close to clamping mechanism, and simultaneously, under initial condition, the installation piece all contacts with two clamp plates of clamping mechanism, improvement that like this can be very big detects the accuracy, and in addition, spacing recess on the installation piece is the profile modeling recess, and this profile modeling recess is the same with the structure of heterotypic end cap part promptly, can make the placing in this profile modeling recess that heterotypic end cap part can be very natural.

As a preferred embodiment of the present invention: and a pulling plate is fixed on one side of the test plate, which is far away from the clamping mechanism, the pulling plate is also connected with the cylinder through a tension sensor, and a limiting cover is covered outside the pulling plate.

Among the above-mentioned technical scheme, be connected through force sensor between pulling plate and the cylinder, in the test process, can set for a reservation pulling force value, when force sensor senses that the pulling force that the cylinder gave reaches reservation pulling force value, the cylinder then stops providing extra pulling force for whole test equipment provides a balanced pulling force value, then waits for certain test time again, observes abnormal shape end cap part whether can break away from with the flexible axle part, if do not break away from, can judge abnormal shape end cap flexible axle belongs to the certified products, and with the test time after, control cylinder returns initial position, thereby take out abnormal shape end cap flexible axle.

As a preferred embodiment of the utility model, survey test panel's surface still is fixed with hold-down mechanism, hold-down mechanism includes:

the substrate is detachably fixed on the surface of the test board;

the quick clamp is detachably fixed on the surface of the substrate;

the two locking plates are symmetrically arranged on two sides of the base plate, and the locking plates are fixedly connected with the base plate and the test plate through bolts.

Among the above-mentioned technical scheme, regarding hold-down mechanism part, hold-down mechanism realizes the spacing to heterotypic end cap part mainly through pressing from both sides soon, places in spacing recess when heterotypic end cap part, and manual control presss from both sides soon and makes the briquetting that presss from both sides soon contact and cover in heterotypic end cap part's outside with the surface of installation piece to can guarantee that heterotypic end cap part can not lead to breaking away from between the installation piece because of the pulling force increase in the test procedure, simple effective, very convenient.

As a preferred embodiment of the present invention: the locking plate is located on the outer side of the limiting cover, the locking plate is of a trapezoidal structure, and the inclined surface of the locking plate is located on one side close to the limiting cover.

Among the above-mentioned technical scheme, the lockplate mainly used is fixed mutually with the test board to hold-down mechanism's base plate and quick clamp, can guarantee that base plate, quick clamp can not break away from mutually with the test board, guarantee the accuracy and the validity of test.

As a preferred embodiment of the present invention: an approaching sheet is vertically fixed at the top of the pressure lever of the quick clamp;

and a contact sensor is also fixed on one side of the surface of the test board close to the mounting block.

Among the above-mentioned technical scheme, the piece and contact pick up's that sets up aim at are approached, when using fast the clamp to push down heterotypic end cap part, approach the piece and contact pick up and contact, can confirm that fast the clamp has pushed down heterotypic end cap part to be convenient for follow-up cylinder provides tensile work to the test panel, transmit a signal for the cylinder promptly, make the cylinder begin to work.

As a preferred embodiment of the present invention: and one side of each clamping plate is concavely provided with a clamping groove, and the clamping grooves of the two clamping plates form a clamping channel.

Among the above-mentioned technical scheme, press from both sides tight passageway and constitute by the tight recess of two relative settings, two press from both sides tight recess and can press from both sides the flexible axle part tightly for can not appear testing the board and drive heterotypic end cap part and flexible axle part and remove simultaneously at the test procedure, ensure the validity of test.

As a preferred embodiment of the present invention: and a rubber sheet is detachably fixed on the inner wall of the clamping groove.

In the technical scheme, the rubber sheet is arranged to prevent the situation that the smooth inner wall of the clamping groove causes the flexible shaft to partially slide.

The utility model discloses a heterotypic end cap flexible axle pulls out power test equipment compares with prior art:

1. the utility model realizes the fixation of the special-shaped end cap flexible shaft by arranging the mounting block and the limiting groove (profiling groove) on the mounting, adopts the quick clamp to manually press the special-shaped end cap flexible shaft, can realize the effect of stabilizing the clamping, improves the testing accuracy, and can not damage the special-shaped end cap;

2. the corresponding force value parameters are set by adopting the setting of the force value sensor, so that the qualification rate of the flexible shaft of the special-shaped end cap is detected, and the detection is visual and convenient;

3. through the arrangement of the locking plate, the connection between the pressing mechanism and the test plate can be ensured to be stable, and the effect of protecting test equipment can be achieved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a top view of the present invention, showing a clamping mechanism.

Fig. 3 is a test chart of the clamping plate of the present invention.

Fig. 4 is a top view of the test board of the present invention.

Fig. 5 is a top view of the mounting block of the present invention.

Fig. 6 is an enlarged view of a surface a in fig. 1 for showing the pressing mechanism.

Fig. 7 is a schematic structural diagram of the cylinder, the tension sensor and the pulling plate of the present invention.

Fig. 8 is a schematic structural diagram of the special-shaped end cap portion and the flexible shaft portion of the special-shaped end cap flexible shaft tested by the present invention.

The corresponding part names indicated by the numbers and letters in the drawings:

wherein: 10. a test board; 101. mounting holes; 20. mounting blocks; 201. a limiting groove; 30. a profiled end cap; 40. a clamping mechanism; 401. a clamping plate; 402. a clamping channel; 403. a push cylinder; 404. a locking knob; 401a, a clamping groove; 401b, a rubber sheet; 50. a flexible shaft; 60. pulling the movable plate; 70. a cylinder; 80. a hold-down mechanism; 801. a substrate; 802. quickly clamping; 803. a locking plate; 802a, a compression bar; 803a, inclined plane; 804. a proximity sheet; 90. a tension sensor; 100. a contact sensor; 110. and a limiting cover.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer", etc. are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not indicated or implied that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are used only for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms will be understood by those skilled in the art according to the specific circumstances.

Referring to fig. 1 to 8, a device for testing pulling-out force of a flexible shaft of a special-shaped end cap comprises: a test plate 10, said test plate 10 being movable in a horizontal direction; the mounting block 20 is inserted and fixed on the surface of the test board 10, and a limiting groove 201 for placing the special-shaped end cap 30 is formed in the surface of the mounting block 20; the clamping mechanism 40 is arranged on one side of the test board 10, the clamping mechanism 40 comprises two symmetrically arranged clamping plates 401, one of the clamping plates 401 can be close to or far away from the other clamping plate 401, and a clamping channel 402 for clamping the flexible shaft 50 is formed between the two clamping plates 401. The limiting groove 201 is open in the direction close to the clamping mechanism 40, when the special-shaped end cap flexible shaft is tested, the special-shaped end cap 30 is placed in the limiting groove 201, and the side, close to the clamping mechanism 40, of the limiting groove 201 is open, so that the flexible shaft 50 can extend into the limiting groove; as shown in fig. 5 in detail, the limiting groove 201 includes a first notch 201a, a second notch 201b, a third notch 201c and a fourth notch 201d in sequence from right to left, the first notch 201a is a rectangular groove, the first notch 201a is open in a direction close to the clamping mechanism 40, the second notch 201b is an isosceles trapezoid groove, a long side of the second notch 201b is equal to the width of the first notch 201a, a short side of the second notch 201b is equal to the width of the third notch 201c, the third notch 201c is a rectangular groove, the width of the first notch 201a is greater than the width of the third notch 201c, the fourth notch 201d is an isosceles trapezoid groove, a long side of the fourth notch 201d is greater than the width of the third notch 201c, the first notch 201a, the second notch 201b, the third notch 201c and the fourth notch 201d form the limiting groove 201 for placing the special-shaped end cap 30, the test of the technical scheme is mainly to hook the whole special-shaped end cap through the special-shaped end cap part positioned in the fourth notch 201d, so as to test the combination effect between the special-shaped end cap part positioned in the first notch 201a and the second notch 201b and the flexible shaft 50; the flexible shaft 50 is clamped by two clamping plates 401, so that the flexible shaft 50 is ensured not to be loosened in the test process, one clamping plate 401 can be close to or away from the other clamping plate 401 mainly by a pushing cylinder 403, the pushing cylinder 403 is arranged on the rear side of one clamping plate 401, and the pushing cylinder 403 is connected with the clamping plate 401 located on the rear side, so that the two clamping plates 401 are clamped, as shown in detail in fig. 2, two threaded holes are formed in the surfaces of the clamping plates 401, locking knobs 404 are screwed in the threaded holes through threads, and the locking knobs 404 are used for locking the clamping plates 401, so that the clamping plates 401 are ensured not to be loosened.

Referring to fig. 4 and 5, a mounting hole 101 is formed on the surface of the test board 10, and the bottom of the mounting block 20 is inserted into the mounting hole 101. Wherein, mounting hole 101 is the rectangle through-hole, the bottom protrusion of installation piece 20 has the connecting block, the connecting block with the rectangle through-hole suits, thereby the connecting block insert extremely make installation piece 20 be connected with survey test panel 10 in the mounting hole 101, when needs examine the abnormal shape end cap flexible axle of different specification and shape, only need to change installation piece 20 and can realize, and is very convenient.

Referring to fig. 1 and 2, the mounting block 20 is inserted and fixed on one side of the test board 10 close to the clamping mechanism 40. The mounting block 20 is located on one side close to the clamping mechanism 40, so that the special-shaped end cap flexible shaft can be conveniently detected, the test equipment adopted by the technical scheme aims to detect the connection strength of the hot riveting between the special-shaped end cap 30 and the flexible shaft 50, and if the special-shaped end cap 30 and the flexible shaft 50 are loosened, the product is proved to be an unqualified product.

Referring to fig. 1, 2 and 6, a pull plate 60 is fixed on one side of the test board 10 away from the clamping mechanism 40, the pull plate 60 is further connected with the air cylinder 70 through a tension sensor 90, and a limit cover 110 is covered outside the pull plate 60. Wherein, the setting of tension sensor 90 can adjust the pulling force that cylinder 70 provided according to actual demand, and when tension sensor 90 detected that the pulling force reaches the default, cylinder 70 then stopped the pulling to it observes whether abnormal shape end cap 30 can loosen with flexible axle 50 to stand a period of time.

Referring to fig. 1 and 6, a pressing mechanism 80 is further fixed on the surface of the test board 10, and the pressing mechanism 80 includes: a substrate 801 detachably fixed to the surface of the test board 10; a quick clamp 802 detachably fixed on the surface of the substrate 801; and the locking plates 803 are symmetrically arranged on two sides of the base plate 801, and the locking plates 803 are tightly connected with the base plate 801 and the test plate 10 through bolts. Wherein, the quick clamp 802 is prior art, and those skilled in the art can select and use according to actual requirements, the purpose of the quick clamp 802 is to press the special-shaped end cap 30, so that the special-shaped end cap 30 cannot be separated from the mounting block 20, further, the quick clamp 802 can also prevent the mounting block 20 from being separated from the testing board 10, and the purpose of the locking plate 803 is to ensure that the connection between the pressing mechanism 80 and the testing board 10 is more stable.

Referring to fig. 1 and 6, the locking plate 803 is located outside the limit stop cover 110, the locking plate 803 has a trapezoidal structure, and the inclined surface 803a of the locking plate 803 is located on a side close to the limit stop cover 110. It is noted that the top surface of the locking plate 803 is higher than the height of the position-limiting cover 110; the design that the locking plate 803 is in a trapezoid structure can also play a role in limiting, that is, when the cylinder 70 pulls the special-shaped end cap 30, if the special-shaped end cap 30 is released from the flexible shaft 50, the locking plate 803 plays a role in limiting when the locking plate 803 is in contact with the limiting cover 110, so as to prevent the test equipment from being damaged.

Referring to fig. 1, a proximity sheet 804 is vertically fixed on the top of a pressure bar 802a of the quick clamp 802; a contact sensor 100 is fixed on one side of the surface of the test board 10 close to the mounting block 20. The proximity plate 804 and the touch sensor 100 are arranged to function as a switch during actual operation, i.e., the subsequent cylinder 70 can only be operated when the proximity plate 804 of the quick clamp 802 is in contact with the touch sensor 100.

Referring to fig. 1 and 3, one side of the clamping plate 401 is concavely provided with clamping grooves 401a, and the clamping grooves 401a of the two clamping plates 401 form a clamping channel 402; a rubber sheet 401b is detachably fixed to the inner wall of the clamping groove 401 a. The rubber sheet 401b can have an anti-slip effect.

It is worth noting that the technical scheme also includes a control system, the control system is respectively electrically connected with the tension sensor 90, the contact sensor 100, the cylinder 70 and the pushing cylinder 403, and the control system is also electrically connected with the power supply, the switch button and the alarm lamp, the control system is the prior art, and the working principle of the test device is as follows:

firstly, the switch button is opened to electrify the whole test equipment, then a force of 50-100N is preset for a control system, the pull force of 60N is preferred in the technical scheme, namely the pull force provided by an air cylinder is 60N (the pull force of a pull sensor 90 is 60N), then the special-shaped end cap 30 of the special-shaped end cap flexible shaft is placed in the limiting groove 201 of the mounting block 20, the flexible shaft 50 of the special-shaped end cap flexible shaft is placed in the clamping channel 402, then the pushing air cylinder 403 is controlled to clamp the clamping channel 402, then the quick clamp 802 is manually pressed down, the mounting block 20 and the special-shaped end cap 30 are pressed by the bottom of the compression rod 802a of the quick clamp 802, at the moment, the approach piece 804 on the quick clamp 802 is contacted with the contact sensor 100, the contact sensor 100 transmits a signal to the control system, the control system controls the air cylinder 70 to work so as to provide a pull force towards the left side, when the pull sensor 90 detects that the pull force is 60N, the control system controls the cylinder 70 to stop pulling, then stands for 10 seconds for observation, if the special-shaped end cap 30 and the flexible shaft 50 are loosened and separated in the period, the control system informs that the special-shaped end cap is unqualified through a red alarm lamp, and if the special-shaped end cap 30 and the flexible shaft 50 are not loosened and separated in the period, the control system informs that the special-shaped end cap is qualified through a green alarm lamp.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims (9)

1. The utility model provides a heterotypic end cap flexible axle pulls out power test equipment which characterized in that includes:

a test plate (10), said test plate (10) being movable in a horizontal direction;

the mounting block (20) is fixedly inserted on the surface of the test board (10), and a limiting groove (201) for placing the special-shaped end cap (30) is formed in the surface of the mounting block (20);

the clamping mechanism (40) is arranged on one side of the test board (10), the clamping mechanism (40) comprises two symmetrically arranged clamping plates (401), one clamping plate (401) can be close to or far away from the other clamping plate (401), and a clamping channel (402) for clamping the flexible shaft (50) is formed between the two clamping plates (401).

2. The special-shaped end cap flexible shaft pull-off force testing equipment as claimed in claim 1, wherein: the surface of the test board (10) is provided with a mounting hole (101), and the bottom of the mounting block (20) is inserted into the mounting hole (101).

3. The special-shaped end cap flexible shaft pull-off force testing equipment as claimed in claim 2, wherein: the mounting block (20) is fixedly inserted at one side of the test board (10) close to the clamping mechanism (40).

4. The special-shaped end cap flexible shaft pull-off force testing equipment as claimed in claim 1, wherein: the testing plate (10) is fixed with a pulling plate (60) on one side far away from the clamping mechanism (40), the pulling plate (60) is further connected with the cylinder (70) through a tension sensor (90), and a limiting cover (110) is covered outside the pulling plate (60).

5. The special-shaped end cap flexible shaft pull-out force testing device as claimed in claim 4, wherein a pressing mechanism (80) is further fixed on the surface of the testing plate (10), and the pressing mechanism (80) comprises:

a substrate (801) detachably fixed to the surface of the test board (10);

the quick clamp (802) is detachably fixed on the surface of the substrate (801);

the locking plate (803), two locking plates (803) are symmetrically arranged on both sides of the base plate (801), and the locking plates (803) are connected with the base plate (801) and the test plate (10) through bolt fastening.

6. The special-shaped end cap flexible shaft pull-off force testing equipment as claimed in claim 5, wherein: the locking plate (803) is positioned on the outer side of the limit cover (110), the locking plate (803) is in a trapezoidal structure, and the inclined surface (803a) of the locking plate (803) is positioned on the side close to the limit cover (110).

7. The special-shaped end cap flexible shaft pull-off force testing equipment as claimed in claim 5, wherein: an approaching sheet (804) is vertically fixed at the top of a pressure lever (802a) of the quick clamp (802);

a contact sensor (100) is further fixed on one side, close to the mounting block (20), of the surface of the test board (10).

8. The special-shaped end cap flexible shaft pull-off force testing equipment as claimed in claim 1, wherein: one side of each clamping plate (401) is concavely provided with a clamping groove (401a), and the clamping grooves (401a) of the two clamping plates (401) form a clamping channel (402).

9. The special-shaped end cap flexible shaft pull-off force testing equipment as claimed in claim 8, wherein: the inner wall of the clamping groove (401a) is detachably fixed with a rubber sheet (401 b).

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