CN215491481U - Bending detection device - Google Patents

Abstract

The utility model relates to a bending detection device, which comprises a bracket, a detection rod and a box body, wherein the bracket comprises a storage plate; the plurality of detection rods are detachably connected to the containing plate; the box body is provided with a placing cavity for containing an object to be detected and an opening communicated to the placing cavity, the opening is used for placing the object to be detected into the placing cavity, the box body is provided with a plurality of first inserting holes for inserting the detection rods, and the positions of the first inserting holes correspond to the positions of precast holes in the object to be detected; the detection rod can be inserted into the precast hole when penetrating through the first inserting hole. The condition of missing the inspection can not appear like this, and operating personnel can be through observing what prefabricated hole of judgement that the grafting state surveyability of test bar is qualified at a glance, which is unqualified, labour saving and time saving, convenient and fast.

Description

Bending detection device

Technical Field

The utility model belongs to the technical field of casting detection equipment, and particularly relates to a bending detection device.

Background

The casting is usually provided with a precast hole, whether the precast hole is bent or not is one of standards for detecting the qualified rate of the casting, and the conventional detection method for the precast hole is that a detection rod is manually taken and inserted into the precast hole one by one, when the detection rod can be completely inserted into the precast hole, the precast hole is qualified, and when the detection rod cannot be completely inserted into the precast hole, the precast hole is bent. But the mode that detects one by one not only the test bar easily loses, and easy hourglass is examined or forgets that unqualified precast hole is which simultaneously, and is consuming time hard, causes the inconvenience for operating personnel.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bending detection device, and aims to solve the technical problems that operation for detecting whether a precast hole is bent is easy to miss detection or forgets which unqualified precast holes are, and time and labor are consumed in the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that: a bending detection device for detecting whether a prefabricated hole formed in an object to be detected is bent, the bending detection device comprising:

a bracket including a receiving plate;

a plurality of detection rods detachably connected to the receiving plate;

the detection device comprises a box body and a detection rod, wherein the box body is provided with a placing cavity for containing an object to be detected and an opening communicated with the placing cavity, the opening is used for placing the object to be detected into the placing cavity, the box body is provided with a plurality of first inserting holes for inserting the detection rod, and the position of each first inserting hole corresponds to the position of a precast hole in the object to be detected;

the detection rod can be inserted into the precast hole when penetrating through the first inserting hole.

In one embodiment, the bending detection device further comprises a grabbing mechanism, wherein the grabbing mechanism is connected to the cavity wall of the placing cavity and is used for fixing the object to be detected.

In one embodiment, the bracket further comprises a mounting plate and a support member, the mounting plate and the receiving plate are both connected to the support member, the mounting plate has a mounting surface, the box body is connected to the mounting surface, and the bending detection device further comprises a turnover driving mechanism, which is connected to the support member and is used for driving the mounting surface of the mounting plate to change the direction.

In one embodiment, the turnover driving mechanism comprises a rotating shaft and a force application member, the mounting plate is rotatably connected to the support member through the rotating shaft, two ends of the force application member are respectively connected to the support member and the mounting plate, and the force application member can be switched between a contraction state and an extension state to drive the mounting plate to rotate around the rotating shaft.

In one of them embodiment, support piece include the backup pad, connect in the guide rail of backup pad and sliding connection in the sliding seat of guide rail, the axis of rotation rotate connect in the sliding seat, the one end of application of force piece connect in the mounting panel, and the other end connect in the sliding seat, crooked detection device still includes the gag lever post, the both ends of gag lever post rotate respectively connect in the backup pad reaches the mounting panel when application of force piece is in the shrink state, the sliding seat is in the primary importance just the installation face with the holding surface of backup pad is parallel when application of force piece switches to the extension state, the sliding seat is followed the guide rail slides to the secondary importance just the installation face with the contained angle setting is personally submitted to the support.

In one embodiment, the mounting plate is provided with a second insertion hole communicated to the placing cavity, and the detection rod can be inserted into the insertion hole and inserted into the prefabricated hole.

In one embodiment, the support plate is connected with a first clamping structure, the sliding seat is connected with a second clamping structure, and when the sliding seat is located at the second position, the second clamping structure is clamped with the first clamping structure.

In one embodiment, the bending detection device further comprises a cover plate capable of being placed at the opening, the cover plate is provided with a plurality of third insertion holes, and when the cover plate is placed at the opening, the detection rod can be inserted into the third insertion holes and inserted into the prefabricated holes.

In one embodiment, the bending detection device further comprises a transverse buffer connected to the support plate, wherein the transverse buffer can limit the sliding seat to move when the sliding seat moves to the second position;

and/or the bending detection device further comprises a longitudinal buffer piece connected to the supporting plate, and the longitudinal buffer piece can limit the mounting plate to move when the mounting plate moves to be parallel to the supporting surface.

In one embodiment, the receiving plate is slidably connected to the support member and can be switched between a receiving position and an extended position, and the receiving plate is located below the support plate when the support member is located at the receiving position.

One or more technical schemes in the loading and unloading device provided by the utility model at least have one of the following technical effects: this crooked detection device has realized accomodating of a plurality of measuring sticks through setting up the storage plate, prevent that the measuring stick from losing, still be equipped with the open-ended box through the setting, and set up a plurality of first spliced eyes on the box, realized treating the location of measuring thing and the counterpoint of first spliced eye and prefabricated hole, will treat during the use earlier and place in placing the intracavity in treating the thing, take off the measuring stick from the storage plate again, peg graft respectively in first spliced eye with a plurality of measuring sticks, because the position of first spliced eye is corresponding with the position of waiting to treat the prefabricated hole on the thing, consequently peg graft when first spliced eye at the measuring stick, also can insert in the prefabricated hole corresponding with this first spliced eye, operating personnel only need through judging whether each measuring stick inserts completely in the prefabricated hole just can judge whether there is crooked in this prefabricated hole. That is, when the detection rod is completely inserted into the preformed hole, it indicates that there is no bending in the preformed hole, and when the detection rod cannot be completely inserted into the preformed hole, it indicates that there is bending in the preformed hole. A plurality of prefabricated holes detect simultaneously, just so can not appear leaking the condition of examining, and operating personnel can be qualified through what the judgement of observing the grafting state surveyability of test bar at a glance which prefabricated holes, which is unqualified, labour saving and time saving, convenient and fast.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a bending detection apparatus according to an embodiment of the present invention, in which a force application member is in a contracted state;

FIG. 2 is a partial exploded view of FIG. 1;

fig. 3 is a perspective structural view of a bending detection apparatus according to an embodiment of the present invention, wherein a force application member is in a process of switching from a retracted state to an extended state;

FIG. 4 is a perspective view of the bending detection apparatus according to the embodiment of the present invention, wherein the force applying member is in an extended state;

fig. 5 is a partial exploded view of a bending detection apparatus according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

11. mounting a plate; 121. a support plate; 122. a guide rail; 123. a sliding seat; 124. a first clamping structure; 125. a second clamping structure; 13. a storage plate; 14. a pulley; 15. a stopper; 20. a detection lever; 30. a box body; 301. a placement chamber; 40. a cover plate; 401. a third plug hole; 50. a grabbing mechanism; 61. a rotating shaft; 62. a force application member; 70. a limiting rod; 81. a lateral buffer; 82. a longitudinal buffer; 83. a limiting column; 84. a gripper; 90. an object to be detected.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The utility model provides a bending detection device which is used for detecting whether a prefabricated hole formed in an object to be detected 90 is bent or not. The object 90 to be detected may be a casting, and the preformed holes are preformed holes in the casting.

Referring to fig. 1, 3 and 5, the bending detection apparatus includes a bracket, a detection rod 20, a box 30, a cover plate 40, a grabbing mechanism 50, a flipping driving mechanism, a limiting rod 70, a transverse buffer 81 and a longitudinal buffer 82.

Wherein, the support includes support piece, storage plate 13, mounting panel 11.

Referring to fig. 1, the receiving plate 13 and the mounting plate 11 are both disposed on the supporting member. The supporting piece comprises a supporting plate 121, the accommodating plate 13 is located below the supporting plate 121, the mounting plate 11 is located above the supporting plate 121, the supporting plate 121 is provided with an upward supporting surface, the mounting plate 11 is provided with a mounting surface, and the accommodating plate 13 is provided with a plurality of through holes arranged at intervals.

The detection rod 20 is equipped with a plurality ofly, and a plurality of detection rods 20 can be dismantled with storage plate 13 and be connected, and detection rod 20 is straight rod-shaped, and the maximum width of surely handing the end is greater than the maximum width of sense terminal, and the sense terminal is used for stretching into to the prefabricated downthehole. Specifically, the detection rod 20 is respectively inserted into the through holes when not in use, and the aperture of the through holes is smaller than the maximum width of the handheld end of the detection rod 20, so as to limit the detection rod 20.

Referring to fig. 1, the box body 30 is connected to the mounting plate 11, the box body 30 has a placing cavity 301 for accommodating the object 90 to be detected and an opening communicated with the placing cavity 301, the opening is used for placing the object 90 to be detected into the placing cavity 301, the box body 30 is provided with a plurality of first inserting holes for inserting the detection rod 20, and the positions of the first inserting holes correspond to the positions of the precast holes on the object 90 to be detected, so that the detection rod 20 can be inserted into the precast holes when penetrating through the first inserting holes. In this embodiment, box 30 is including consecutive end to end and enclosing and establish the square first panel of formation, the second panel, third panel and fourth panel, first panel, the second panel, third panel and fourth panel all connect in the installation face of mounting panel 11 to a plurality of jack holes have all been seted up, the above-mentioned opening of placing chamber 301 can be the top port of box 30, the tubular structure's that first panel, the second panel, third panel and fourth panel formed top port promptly, the below port of box 30 passes through mounting panel 11 shutoff. When the object 90 to be detected is placed in the box body 30 through the opening, each first inserting hole can correspond to each prefabricated hole on the object 90 to be detected, so that bending detection of the prefabricated holes of the object 90 to be detected in four directions is realized. When the box 30 is manufactured, the user can adjust the position and number of the first inserting holes according to the position and number of the prefabricated holes of the object 90 to be detected. In other embodiments, the box 30 may include other number of panels, and the number of panels may be adjusted according to the pre-hole direction of the object 90 to be detected.

This crooked detection device has realized accomodating of a plurality of detection poles 20 through setting up storage plate 13, prevent that detection pole 20 from losing, still be equipped with open-ended box 30 through the setting, and set up a plurality of first spliced eyes on box 30, realized treating the location of detection thing 90 and the counterpoint of first spliced eye and prefabricated hole, will wait to detect thing 90 earlier and place in placing chamber 301 during the use, take off detection pole 20 from storage plate 13 again, peg graft respectively in first spliced eye with a plurality of detection poles 20, because the position of first spliced eye is corresponding with the position of waiting to detect the prefabricated hole on the thing 90, consequently peg graft when first spliced eye at detection pole 20, also can insert in the prefabricated hole corresponding with this first spliced eye, operating personnel only need through judging whether each detection pole 20 inserts completely in the prefabricated hole and just can judge this prefabricated hole and have the bending. That is, when the detection rod 20 is completely inserted into the preformed hole, it indicates that there is no bending of the preformed hole, and when the detection rod 20 cannot be completely inserted into the preformed hole, it indicates that there is bending of the preformed hole. A plurality of prefabricated holes detect simultaneously, just so can not appear leaking the condition of examining, and operating personnel can be qualified through what the judgement that the grafting state surveyability of observing test bar 20 is surveyability, which is unqualified, and labour saving and time saving, convenient and fast.

Referring to fig. 5, the object to be detected 90 is easy to move in the placing cavity 301, and the alignment between the preformed hole and the first inserting hole is time-consuming and labor-consuming, and for this reason, the bending detection apparatus further includes a grabbing mechanism 50, and the grabbing mechanism 50 is connected to the cavity wall of the placing cavity 301 and used for fixing the object to be detected 90. The object 90 to be detected is positioned by the grabbing mechanism 50, so that the prefabricated hole and the first inserting hole can be aligned quickly. Specifically, the grabbing mechanism 50 includes a tensioner installed on the mounting plate 11, and the tensioner can expand the inner diameter by screwing a screw, so as to grasp the object to be detected 90 by pressing. In this embodiment, two tensioning devices are provided to limit the rotation of the object 90 to be detected in the placing cavity 301. When the mounting surface of the mounting plate 11 is changed in orientation, the object to be detected 90 is not displaced.

In order to realize the detection of the prefabricated holes facing the installation surface of the object to be detected 90, the installation plate 11 is provided with a plurality of second plug holes, and the second prefabricated holes can be aligned with the prefabricated holes facing the installation surface of the object to be detected 90. When the prefabricated hole needs to be detected, an operator can insert the detection rod 20 into the second insertion hole to realize detection.

Referring to fig. 2 and 5, in order to detect the prefabricated hole of the object to be detected 90 facing the opening, the cover plate 40 may be covered on the box 30, the cover plate 40 is provided with a plurality of third inserting holes 401, and the positions and the number of the third inserting holes 401 may correspond to the positions of the prefabricated hole of the object to be detected 90 facing the opening. When the prefabricated hole needs to be detected, the upper cover plate 40 is covered on the opening, and the detection rod 20 is inserted into the third inserting hole 401.

Referring to fig. 2 and 3, for the second prefabricated hole, the operation of inserting the detection rod 20 from bottom to top is very inconvenient, and the operation difficulty is increased, for this reason, the bending detection apparatus further includes a turning driving mechanism connected to the supporting member and used for driving the mounting surface of the mounting plate 11 to change the orientation. Like this, when the prefabricated hole of orientation installation face is examined to needs, only need to change the orientation through upset actuating mechanism drive mounting panel 11, the orientation of second spliced eye changes thereupon, and during the in-service use, operating personnel can adjust the orientation of mounting panel 11 to the convenient position to second spliced eye grafting test bar 20.

Referring to fig. 2 and fig. 3, specifically, the turnover driving mechanism includes a rotating shaft 61 and a force applying member 62, the mounting plate 11 is rotatably connected to the supporting member through the rotating shaft 61, two ends of the force applying member 62 are respectively connected to the supporting member and the mounting plate 11, the force applying member 62 can be switched from a contracted state to an extended state, and the force applying member 62 can apply a force to the mounting plate 11 to drive the mounting plate 11 to rotate around the rotating shaft 61 in the switching process. During the use, operating personnel upset mounting panel 11's free end to make mounting panel 11 rotate around rotating shaft 61 and to be convenient for operating personnel to operate the position that detection pole 20 inserted and locate the second spliced eye, application of force piece 62 is switched to the extension state by the shrink state, and supplementary operating personnel upset mounting panel 11, so that operating personnel operates more laborsavingly. Wherein the force applying member 62 may be a nitrogen gas spring.

When the object 90 to be detected is a casting, the weight is large, and therefore when the mounting plate 11 is rotated to almost 90 degrees, the center of gravity of the bending detection device is shifted, and the object is likely to tip over. To this end, referring to fig. 2 and fig. 3, the supporting member further includes a guide rail 122 connected to the supporting plate 121 and a sliding seat 123 slidably connected to the guide rail 122, the rotating shaft 61 is rotatably connected to the sliding seat 123, one end of the force applying member 62 is connected to the mounting plate 11, and the other end is connected to the sliding seat 123, the bending detection apparatus further includes a limiting rod 70, two ends of the limiting rod 70 are rotatably connected to the supporting plate 121 and the mounting plate 11, specifically, one end of the limiting rod 70 connected to the mounting plate 11 is located near the middle position of the mounting plate 11. When the force applying member 62 is in the retracted state, the sliding seat 123 is in the first position, and the mounting surface is parallel to the supporting surface of the supporting plate 121, and when the operator turns over the mounting plate 11 and the force applying member 62 is switched to the extended state, the sliding seat 123 slides to the second position along the guide rail 122, and the mounting surface and the supporting surface form an included angle. The included angle may be 90 degrees or nearly 90 degrees, at this time, due to the limiting effect of the limiting rod 70, when the mounting plate 11 rotates around the rotating shaft 61, one end of the limiting rod 70 connected to the mounting plate 11 makes a circular motion upwards, the sliding seat 123 drives the rotating shaft to move towards the limiting rod 70 along the guide rail 122 until the force application member 62 is switched to the extended state, and the sliding seat 123 stops moving. The sliding seat 123 may be located near the center of the support plate 121 at this time. The centre of gravity of the bend detection apparatus is thus still near the middle of the support member without being too far offset, and the rotation of the mounting plate 11 does not take up too much space around the periphery.

Referring to fig. 2 and 3, when the force applying member 62 is in the extended state, in order to prevent the sliding seat 123 from sliding toward the first position, the supporting plate 121 is connected to the first engaging structure 124, the sliding seat 123 is connected to the second engaging structure 125, and when the sliding seat 123 is in the second position, the second engaging structure 125 is engaged with the first engaging structure 124. At this time, the sliding seat 123 is fixed at the second position, so as to avoid accidentally injuring the operator due to the sliding of the sliding seat 123.

Referring to fig. 2 and fig. 3, specifically, the first clamping structure 124 is rotatably connected to the supporting member, and the first clamping structure 124 can be rotatably clamped to the second clamping structure 125 or released from being clamped to the second clamping structure 125. The first clamping structure 124 and the second clamping structure 125 may be both in a hook shape, and when the sliding seat 123 moves toward the first clamping structure 124, the first clamping structure 124 can rotate under the pushing action of the second clamping structure 125, until the hook portions of the first clamping structure 124 and the second clamping structure 125 are opposite, the first clamping structure 124 resets under the elastic force action of the neutral or external elastic structure, so as to be clamped and matched with the second clamping structure 125. When the sliding seat 123 needs to return to the first position, the operator rotates the first clamping structure 124, so that the hook of the first clamping structure 124 is separated from the hook of the second clamping structure 125.

Referring to fig. 2 and 3, preferably, the bending detection apparatus further includes a transverse buffer 81 connected to the supporting plate 121, and the transverse buffer 81 can limit the sliding seat 123 from moving when the sliding seat 123 moves to the second position. The transverse buffer member 81 can buffer the sliding seat 123, and prevent the sliding seat 123 from being collided or broken when moving towards the second position at an excessively high speed. The lateral buffer 81 may be a rubber member to provide an elastic buffer force for the movement of the sliding seat 123. The transverse buffer 81 can also be slidably connected to the guide rail 122, the first clamping structure 124 is connected to the transverse buffer 81, the supporting surface is provided with a limiting post 83, the limiting post 83 is located on the movement track of the transverse buffer 81, and when the first clamping structure 124 is clamped to the second clamping structure 125, the transverse buffer 81 abuts against the limiting post 83.

Referring to fig. 2 and 3, preferably, the bending detection device further includes a longitudinal buffer 82 connected to the support plate 121, and the longitudinal buffer 82 can limit the movement of the mounting plate 11 when the mounting plate 11 moves to be parallel to the support surface. The longitudinal buffer member 82 can play a buffering role in the mounting plate 11, and prevents the mounting plate 11 from being collided or crushed when the moving speed is too fast and the moving speed moves towards the supporting surface. The longitudinal bumpers 82 may be rubber members to provide a resilient cushioning force for movement of the mounting plate 11.

To facilitate the taking and placing of the detecting rod 20, the receiving plate 13 is slidably connected to the supporting member and can be switched between a receiving position and an extending position, and when the supporting member is located at the receiving position, the receiving plate 13 is located below the supporting plate 121. When the detection rod 20 needs to be stored, the storage plate 13 can be slid to the storage position to save space, and when the detection rod 20 needs to be used, the storage plate can be pulled out from the lower part of the support plate 121 and moved to the extending position so as to take out the detection rod 20 conveniently.

Referring to fig. 1, for the convenience of operation, the receiving plate 13, the mounting plate 11 and the cover plate 40 may be provided with a hand grip 84. The bottom of the support member can be provided with a pulley 14 for moving, and a stop member 15 can be arranged beside the pulley 14 for stopping the support frame when the support frame does not need to slide.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A bending detection device for detecting whether a prefabricated hole formed in an object to be detected is bent or not, the bending detection device is characterized by comprising:

a bracket including a receiving plate;

a plurality of detection rods detachably connected to the receiving plate;

the detection device comprises a box body and a detection rod, wherein the box body is provided with a placing cavity for containing an object to be detected and an opening communicated with the placing cavity, the opening is used for placing the object to be detected into the placing cavity, the box body is provided with a plurality of first inserting holes for inserting the detection rod, and the position of each first inserting hole corresponds to the position of a precast hole in the object to be detected;

the detection rod can be inserted into the precast hole when penetrating through the first inserting hole.

2. The bending test device according to claim 1, further comprising a grasping mechanism connected to a wall of the placing chamber and configured to hold the object to be tested.

3. The bow detection device of claim 1, wherein the bracket further comprises a mounting plate and a support member, the mounting plate and the receiving plate both being coupled to the support member, the mounting plate having a mounting surface, the housing being coupled to the mounting surface, the bow detection device further comprising a tilt drive mechanism coupled to the support member for driving the mounting surface of the mounting plate to change orientation.

4. The bow detector of claim 3, wherein the flipping actuator comprises a rotating shaft, the mounting plate being rotatably coupled to the support member via the rotating shaft, and a force applying member having two ends coupled to the support member and the mounting plate, respectively, the force applying member being switchable between a retracted state and an extended state to drive the mounting plate to rotate about the rotating shaft.

5. The bending detection device of claim 4, wherein the support member comprises a support plate, a guide rail connected to the support plate, and a sliding seat slidably connected to the guide rail, the rotation shaft is rotatably connected to the sliding seat, one end of the force application member is connected to the mounting plate, and the other end of the force application member is connected to the sliding seat, the bending detection device further comprises a limiting rod, two ends of the limiting rod are rotatably connected to the support plate and the mounting plate respectively, when the force application member is in a contracted state, the sliding seat is in a first position, and the mounting surface is parallel to the support surface of the support plate, and when the force application member is switched to an extended state, the sliding seat slides to a second position along the guide rail, and the mounting surface and the support surface form an included angle.

6. The bending detection device as claimed in claim 3, wherein the mounting plate is provided with a second insertion hole communicated to the placing cavity, and the detection rod can be inserted into the insertion hole and inserted into the prefabricated hole.

7. The bending detection device according to claim 5, wherein the support plate is connected with a first clamping structure, the sliding seat is connected with a second clamping structure, and when the sliding seat is located at the second position, the second clamping structure is clamped with the first clamping structure.

8. The bending detection device of claim 1, further comprising a cover plate capable of being placed at the opening, wherein the cover plate is provided with a plurality of third insertion holes, and when the cover plate is placed at the opening, the detection rod can be inserted into the third insertion holes and inserted into the preformed holes.

9. The bend detecting device according to claim 5, further comprising a lateral buffer member connected to the support plate, the lateral buffer member being capable of limiting movement of the slide shoe when the slide shoe moves to the second position;

and/or the bending detection device further comprises a longitudinal buffer piece connected to the supporting plate, and the longitudinal buffer piece can limit the mounting plate to move when the mounting plate moves to be parallel to the supporting surface.

10. The bow detection device of claim 5, wherein the receiving plate is slidably coupled to the support member and switchable between a receiving position and an extended position, the receiving plate being positioned below the support plate when the support member is in the receiving position.

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