CN215677586U

CN215677586U - Crack detection device for hub

Info

Publication number: CN215677586U
Application number: CN202120474827.1U
Authority: CN
Inventors: 刘延涛; 朱二孩
Original assignee: Hebi Bohai Metal Technology Co ltd
Current assignee: Hebi Bohai Metal Technology Co ltd
Priority date: 2021-03-05
Filing date: 2021-03-05
Publication date: 2022-01-28
Anticipated expiration: 2031-03-05

Abstract

The utility model discloses a crack detection device for a hub, which comprises a supporting seat, an extension arm and a scanning arm, wherein the top end of the extension arm is connected with the scanning arm and a servo motor, the scanning arm comprises a sleeve, a throwing arm, a detection head, a negative weight block and an extension rod, the detection head is installed at one end of the extension rod, and the throwing arm is movably connected with the negative weight block through internal threads. This crack detection device for wheel hub, servo motor drive scanning arm makes it take place the swing, go up the clamping ring and all be used for the sleeve location with lower clamping ring, telescopic special design is the transmission of the moment of not only being convenient for, the servo motor's of being convenient for dismouting simultaneously, the position of extension bar and burden pouring weight is all adjustable, when whole equipment uses, the height of extension arm is adjusted according to different wheel hub's size earlier, then the position of regulation measuring head and rotation burden pouring weight, whole device can satisfy not unidimensional wheel hub's detection demand like this, adaptability is good, part accommodation process is simple and convenient simultaneously, the practicality is good.

Description

Crack detection device for hub

Technical Field

The utility model relates to the technical field of hub detection, in particular to a crack detection device for a hub.

Background

The hub is a rotating part of a wheel core, wherein the wheel core is connected with the inner profile steel of the tire through a stand column, namely a metal part which supports the center of the tire and is arranged on a shaft. Also called rim, steel ring, wheel and tyre bell. The hub is of various kinds according to diameter, width, molding mode and material. Once the wheel hub has cracks or gaps, the wheel is easy to leak slowly, the automobile can shake during running, and the wheel hub with cracks can not be used any more. Therefore, the crack detection of the automobile hub is very important in time. The existing crack detection device for the wheel hub is fixed in structure and size, and is difficult to detect the wheel hubs with different sizes, namely, the adaptability is poor, and the integral use effect is single.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a crack detection device for a hub, which has the advantages of good adaptability and good practicability and can solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

a crack detection device for a wheel hub comprises a supporting seat, an extension arm and a scanning arm, wherein the supporting seat is connected with the scanning arm through the extension arm, a rectangular mounting hole is formed in the center of the top surface of the supporting seat, the supporting seat is connected with the extension arm through the rectangular mounting hole, the top end of the extension arm is connected with the scanning arm and a servo motor, an upper pressing ring and a lower pressing ring are further mounted at the center of the top end of the extension arm, the upper pressing ring is connected with the lower pressing ring through a screw, the extension arm is fixedly connected with the lower pressing ring, the servo motor is connected with the outer wall of the extension arm through a motor supporting plate, the output end of the servo motor is connected with the scanning arm, the scanning arm comprises a sleeve, a swinging arm, a detection head, a negative weight and an extension rod, a transverse hole with a hexagonal cross section is formed in one end of the sleeve, the sleeve is connected with the output end of the servo motor through the transverse hole, one end of the sleeve is fixedly connected with the swinging arm, and the swinging arm is a hollow piece, the inner cavity wall of one end of the swing arm is movably connected with the extension bar, the detection head is installed at one end of the extension bar, an internal thread is formed in the inner cavity wall of the other end of the swing arm, and the swing arm is movably connected with the negative weight block through the internal thread.

Preferably, a first locking screw is mounted on the side wall of the support seat, and one end of the first locking screw is in contact with the extending arm.

Preferably, the upper pressing ring and the lower pressing ring are movably connected with the outer wall of the sleeve.

Preferably, the clearance value between the negative weight and the sleeve is smaller than the distance value between the detection head and the sleeve.

Preferably, a second locking screw is mounted on the side wall of the swing arm, and one end of the second locking screw is in contact with the extension rod.

Compared with the prior art, the utility model has the following beneficial effects:

this crack detection device for wheel hub, the supporting seat is through stretching out the arm connection scanning arm, servo motor drive scanning arm makes it take place the swing, go up the clamping ring and all be used for the sleeve location with lower clamping ring, telescopic special design is the transmission of the moment of not only being convenient for, the servo motor's of being convenient for dismouting simultaneously, the both ends of getting rid of the arm are installed extension bar and heavy burden piece respectively, the position of extension bar and heavy burden piece is all adjustable, when whole equipment uses, the height of extension arm is adjusted earlier according to different wheel hub's size, then adjust the position of detecting head and rotate the heavy burden piece, whole device can satisfy not unidimensional wheel hub's detection demand like this, adaptability is good, part accommodation process is simple and convenient simultaneously, the practicality is good.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic view of the upper pressure ring of the present invention;

FIG. 3 is an exploded view of the sleeve installation position of the present invention;

fig. 4 is a schematic cross-sectional view of a scanning arm structure according to the present invention.

In the figure: 1. a supporting seat; 11. a first locking screw; 2. a reach arm; 21. pressing a ring; 22. a lower pressure ring; 3. a scanning arm; 31. a sleeve; 32. swinging the arm; 33. a detection head; 34. a negative weight block; 35. an extension bar; 36. a second locking screw; 4. a servo motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a crack detection device for a wheel hub comprises a support base 1, an extension arm 2 and a scanning arm 3, wherein the support base 1 is connected with the scanning arm 3 through the extension arm 2, a first locking screw 11 is installed on the side wall of the support base 1, one end of the first locking screw 11 is in contact with the extension arm 2, the upper and lower positions of the extension arm 2 can be locked by screwing the first locking screw 11, the extension arm 2 supports the whole scanning arm 3, a rectangular mounting hole is formed in the center of the top surface of the support base 1, the support base 1 is connected with the extension arm 2 through the rectangular mounting hole, the top end of the extension arm 2 is connected with the scanning arm 3 and a servo motor 4, the servo motor 4 can drive the scanning arm 3, the servo motor 4 enables the scanning arm 3 to swing, an upper press ring 21 and a lower press ring 22 are further installed at the center of the top end of the extension arm 2, the upper press ring 21 is connected with the lower press ring 22 through a screw, the extension arm 2 is fixedly connected with the lower press ring 22, the upper press ring 21 and the lower press ring 22 are movably connected with the outer wall of the sleeve 31, the upper press ring 21 and the lower press ring 22 are used for positioning the sleeve 31 in the extension arm 2, the servo motor 4 is connected with the outer wall of the extension arm 2 through a motor support plate, the output end of the servo motor 4 is connected with the scanning arm 3, the scanning arm 3 comprises the sleeve 31, a throwing arm 32, a detection head 33, a load bearing block 34 and an extension rod 35, one end of the sleeve 31 is provided with a transverse hole with a hexagonal cross section, the sleeve 31 is connected with the output end of the servo motor 4 through the transverse hole, the output end of the servo motor 4 is a shaft with a hexagonal cross section, the design is convenient for transmitting torque and dismounting the servo motor 4, one end of the sleeve 31 is fixedly connected with the throwing arm 32, the throwing arm 32 is a hollow piece, the throwing arm 32 of the hollow piece is light in weight, the manufacturing cost is saved, and the servo motor 4 is convenient for driving the scanning arm 3 to swing, the inner cavity wall of one end of the swing arm 32 is movably connected with an extension rod 35, a second locking screw 36 is mounted on the side wall of the swing arm 32, one end of the second locking screw 36 is in contact with the extension rod 35, the extension rod 35 can be drawn out to meet the measurement requirements of hubs of different sizes, the position of the extension rod 35 can be locked by the second locking screw 36, a detection head 33 is mounted at one end of the extension rod 35, the detection head 33 can detect hidden cracks at the edge of the hub, an inner thread is formed in the inner cavity wall of the other end of the swing arm 32, the swing arm 32 is movably connected with a negative weight 34 through the inner thread, namely the position of the swing arm 34 can be adjusted by rotating the negative weight 34, the gap value between the negative weight 34 and the sleeve 31 is smaller than the distance value between the detection head 33 and the sleeve 31, and therefore the scanning arm 3 can run more stably.

The crack detection device for the wheel hub comprises a supporting seat 1, an extension arm 2 and a scanning arm 3, wherein the supporting seat 1 is connected with the scanning arm 3 through the extension arm 2, the upper position and the lower position of the extension arm 2 can be locked by screwing a first locking screw 11, so that the coincidence of the central line of a sleeve 31 and the central line of the wheel hub during the detection of different wheel hubs is met, the adaptability is good, the extension arm 2 supports the whole scanning arm 3, a servo motor 4 drives the scanning arm 3 to swing, an upper pressing ring 21 and a lower pressing ring 22 are used for positioning the sleeve 31, wherein the two ends of the sleeve 31 are also provided with limiting ring grooves for ensuring the limiting effect, the sleeve 31 is driven by the output end of the servo motor 4, the special design of the sleeve 31 is convenient for transmitting torque and dismounting the servo motor 4, the swinging arm 32 connected with the sleeve 31 has light weight, the manufacturing cost is saved, and the servo motor 4 is convenient for driving the scanning arm 3 to swing, the extension rod 35 can be pulled out to meet the measurement requirements of hubs of different sizes, the detection head 33 arranged at one end of the extension rod 35 can detect hidden cracks at the edge of the hub, and the swing arm 32 is movably connected with the negative weight 34 through internal threads, namely the position of the negative weight 34 can be adjusted by rotating the negative weight 34, so that the measurement device is very convenient; when whole equipment uses, adjust the height of cantilever arm 2 according to different wheel hub's size earlier, then adjust the position of detecting head 33 and rotate burden heavy piece 34, whole device can satisfy not unidimensional wheel hub's detection demand like this, and adaptability is good, and part accommodation process is simple and convenient simultaneously, and the practicality is good.

In summary, the following steps: this crack detection device for wheel hub, supporting seat 1 is through 2 connection scanning arms 3 of cantilever arm, servo motor 4 drive scanning arm 3 and make it take place the swing, go up clamping ring 21 and lower clamping ring 22 and all be used for fixing a position for sleeve 31, the transmission of the moment of not only being convenient for of sleeve 31's special design, the dismouting of servo motor 4 of being convenient for simultaneously, projecting bar 35 and heavy burden piece 34 are installed respectively to the both ends of getting rid of arm 32, projecting bar 35 and heavy burden piece 34's position all can be adjusted, when whole equipment uses, the height of cantilever arm 2 is adjusted according to different wheel hub's size earlier, then adjust the position of detecting head 33 and rotate heavy burden piece 34, whole device can satisfy not unidimensional wheel hub's detection demand like this, adaptability is good, part accommodation process is simple and convenient simultaneously, good in practicability.

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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a crack detection device for wheel hub, includes supporting seat (1), cantilever arm (2) and scanning arm (3), its characterized in that are connected through cantilever arm (2) in supporting seat (1): the top surface center department of supporting seat (1) has seted up the rectangle mounting hole, and cantilever arm (2) is connected through the rectangle mounting hole in supporting seat (1), and the top of cantilever arm (2) is connected with scanning arm (3) and servo motor (4), and top center department of cantilever arm (2) still installs clamping ring (21) and clamping ring (22) down, and clamping ring (22) down is connected through the screw in last clamping ring (21), and clamping ring (22) is connected down in clamping ring (2) fixed connection cantilever arm (2) down, servo motor (4) are through the outer wall of motor backup pad connection cantilever arm (2), and scanning arm (3) is connected to the output of servo motor (4), scanning arm (3) include sleeve (31), get rid of arm (32), detect head (33), heavy burden piece (34) and stretch out pole (35), and the cross section becomes hexagonal horizontal hole has been seted up to the one end of sleeve (31), and sleeve (31) are through the output of this horizontal hole connection servo motor (4), one end of the sleeve (31) is fixedly connected with the swing arm (32), the swing arm (32) is a hollow piece, the inner cavity wall of one end of the swing arm (32) is movably connected with the extension rod (35), the detection head (33) is installed at one end of the extension rod (35), an internal thread is formed in the inner cavity wall of the other end of the swing arm (32), and the swing arm (32) is movably connected with the negative weight (34) through the internal thread.

2. The crack detecting device for a wheel hub according to claim 1, wherein: the side wall of the supporting seat (1) is provided with a first locking screw (11), and one end of the first locking screw (11) is in contact with the extending arm (2).

3. The crack detecting device for a wheel hub according to claim 1, wherein: the upper pressing ring (21) and the lower pressing ring (22) are movably connected with the outer wall of the sleeve (31).

4. The crack detecting device for a wheel hub according to claim 1, wherein: the clearance value between the negative weight (34) and the sleeve (31) is smaller than the distance value between the detection head (33) and the sleeve (31).

5. The crack detecting device for a wheel hub according to claim 1, wherein: and a second locking screw (36) is installed on the side wall of the swing arm (32), and one end of the second locking screw (36) is in contact with the extension rod (35).