CN214351567U - Railway freight car wheel set deruster, shaft body derusting mechanism and brush shaft structure - Google Patents

Abstract

The utility model relates to a railway freight car wheel is to deruster, axle body rust cleaning mechanism and brush axle construction. This brush axle construction includes: the brush shaft assembly comprises a transmission shaft and a shaft head, the shaft head is provided with a first position and a second position which rotates for a preset angle relative to the first position, and the shaft head is provided with a limiting bulge; the steel wire brush is provided with a mounting hole and a through groove, and the through groove is positioned on the inner wall of the mounting hole; the spindle head is located at the first position, the limiting bulge is opposite to the passing groove, and the steel wire brush can be arranged on the transmission shaft through the spindle head; the shaft head is located at the second position, and the limiting bulge deviates from the passing groove and can be abutted against the end part of the steel wire brush. The switching of the shaft head at the first position and the second position and the matching of the limiting bulge and the through groove are used for realizing the installation and the disassembly of the steel wire brush on the transmission shaft, the steps of the steel wire brush disassembly and assembly process are simplified, and the replacement of the steel wire brush is convenient.

Description

Railway freight car wheel set deruster, shaft body derusting mechanism and brush shaft structure

Technical Field

The utility model relates to a rust cleaning equipment technical field especially relates to a railway freight car wheel is to deruster, axle body rust cleaning mechanism and brush axle construction.

Background

When the rail wagon pair is subjected to rust removal operation, a steel wire brush is usually adopted to remove rust on the shaft body. The wire brush must be replaced when the wire brush is worn to a certain degree, so as to avoid influencing the derusting effect. No matter the wire brush adopts square hole, round hole, present wire brush location form is split pin or axle head gland for the replacement process of wire brush is complicated, and the workman dismantles more difficultly, and production efficiency is low. And, split pin or screw lose easily after the dismantlement, are unfavorable for improving work efficiency, waste time.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide a railway wagon wheel pair deruster, a shaft body derusting mechanism and a brush shaft structure which are convenient for replacing the steel wire brush aiming at the problem that the replacement process of the steel wire brush is complex at present.

A brush axle construction is applied to in the axle body rust cleaning mechanism of railway freight car wheel pair deruster, brush axle construction includes:

the brush shaft assembly comprises a transmission shaft and a shaft head rotatably arranged at the end part of the transmission shaft, the shaft head is provided with a first position and a second position which rotates for a preset angle relative to the first position, and the shaft head is provided with a limiting bulge protruding along the circumferential direction; and

the steel wire brush is provided with a mounting hole mounted on the transmission shaft and a through groove, and the through groove is positioned on the inner wall of the mounting hole and is used for the limiting bulge to pass through;

the spindle head is located at the first position, the limiting bulge is opposite to the passing groove, and the steel wire brush can be arranged on the transmission shaft through the spindle head; the shaft head is located at the second position, and the limiting bulge deviates from the passing groove and can be abutted against the end part of the steel wire brush.

In one embodiment, the brush shaft assembly further comprises a return elastic member disposed between the shaft head and the transmission shaft, the return elastic member being configured to rotate the shaft head from the first position to the second position.

In one embodiment, the brush shaft assembly further comprises a fixing member fixed to an end of the drive shaft through the shaft head, the shaft head being rotatable with respect to the fixing member.

In one embodiment, the end of the transmission shaft is provided with a connecting hole, the shaft head comprises a matching shaft and a limiting shaft, the limiting shaft is arranged at the end of the matching shaft, the circumferential direction of the limiting shaft protrudes out of the matching shaft, the matching shaft is arranged in the connecting hole, and the end of the limiting shaft is abutted to the end of the transmission shaft.

In one embodiment, the brush shaft assembly comprises a limiting pin, the outer wall of the mating shaft is provided with a limiting groove along the circumferential direction, the limiting groove penetrates through the transmission shaft and extends into the limiting groove and can slide along the limiting groove, and the limiting groove and the limiting shaft are used for limiting the rotational displacement of the shaft head at the first position and the second position.

In one embodiment, the cross-sectional shape of the mounting hole is the same as that of the limiting shaft;

the cross section shapes of the mounting hole and the limiting shaft are regular polygons or circles.

In one embodiment, the limiting bulge and the shaft head are of an integral structure or can be detachably connected;

the section of the limiting bulge is in a U shape, an arc shape, a straight line splicing shape or a curve splicing shape; the cross section of the limiting protrusion is the same as that of the through groove.

In one embodiment, the brush shaft structure further comprises a limiting elastic member, the limiting elastic member is sleeved on the transmission shaft and abuts against the shaft head.

A shaft body derusting mechanism comprises a radial feeding structure, an axial moving structure and a brush shaft structure with any one of the technical characteristics;

the radial feeding structure is arranged on the axial moving structure and moves along with the axial moving structure; the brush shaft structure is arranged at the end part of the radial feeding structure and moves along with the radial feeding structure; the axial moving structure is installed on an installation rack of the railway wagon wheel pair deruster, and the brush shaft structure is used for derusting the shaft body of the wheel pair.

A railway freight car wheel set deruster, including installing the stander, dust guard seat deruster and the axle body deruster as above-mentioned technical characteristic;

the shaft body rust removing mechanism is arranged on the mounting rack through an axial moving structure and used for removing rust on the shaft body of the wheel pair, and the dust plate seat rust removing mechanism is arranged on the mounting rack and used for removing rust on the dust plate seat of the wheel pair.

The utility model discloses a rust cleaning machine for a railway wagon wheel pair, a shaft body rust cleaning mechanism, a brush shaft structure and a dismounting method, wherein a shaft head is rotatably arranged at the end part of a transmission shaft and can be rotatably switched between a first position and a second position; when the shaft head is positioned at the first position, the through groove of the steel wire brush corresponds to the limiting bulge of the shaft head, and the steel wire brush can be installed on the transmission shaft or detached from the transmission shaft through the installation hole; when the spindle nose is in the second position, the spacing arch of spindle nose and the trough of passing through of wire brush stagger each other, can carry on spacingly through spacing arch to the epaxial wire brush of transmission, avoid the wire brush to break away from the transmission shaft. Realize the steel brush at the epaxial installation of transmission and dismantlement through the switching of spindle nose at primary importance and second location and spacing arch and the cooperation through the groove, the problem that the process is complicated is changed to effectual current steel brush of solution, simplifies the step of steel brush dismouting process, makes things convenient for the change of steel brush, simultaneously, reduces the intensity of labour when operating personnel changes the steel brush, improves work efficiency, avoids waste time.

Drawings

Fig. 1 is a partial cross-sectional view of a brush shaft structure according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the brush shaft structure shown in FIG. 1 with a spacing assembly mounted to the drive shaft;

FIG. 3 is a side view of the brush shaft configuration shown in FIG. 1;

FIG. 4 is a schematic view of a wire brush in the brush shaft configuration shown in FIG. 3;

FIG. 5 is a schematic view of an embodiment of a shaft head in the brush shaft configuration shown in FIG. 4;

FIG. 6 is a schematic view of another embodiment of a shaft head in the brush shaft configuration shown in FIG. 4;

fig. 7 is a schematic view of still another embodiment of a head of the brush shaft structure shown in fig. 4.

Wherein:

100. a brush shaft structure; 110. a brush shaft assembly; 111. a drive shaft; 112. a shaft head; 1121. a mating shaft; 11211. a limiting groove; 1222. a limiting shaft; 113. a limiting bulge; 114. a restoring elastic member; 115. a fixing member; 116. a spacing pin; 120. a wire brush; 121. mounting holes; 122. passing through the slot; 130. spacing elastic component.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

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

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1 to 4, the present invention provides a brush shaft structure 100. The brush shaft structure 100 is applied to a shaft body derusting mechanism of a railway wagon wheel pair derusting machine. The railway freight car wheel set rust remover removes rust on the axle body of the wheel set through the axle body rust removing mechanism so as to facilitate later overhauling and flaw detection operations of the wheel set. And the shaft body rust removing mechanism cleans the shaft body of the wheel set through the brush shaft structure 100, so as to achieve the purpose of rust removal.

It can be understood that the wheel pair needs to be replaced frequently due to the abrasion of the wire brush 120 when the wheel pair is subjected to rust removing cleaning. At present, the wire brush 120 is usually fixed by a cotter pin or a shaft end gland, and the operation process is complex during replacement, which affects the operation efficiency. Therefore, the utility model provides a novel brush axle construction 100, this brush axle construction 100 can realize the quick replacement of wire brush 120, shortens the change time greatly, simultaneously, can also reduce operating personnel's intensity of labour, the change of the wire brush 120 of being convenient for. The specific structure of the brush shaft structure 100 is described in detail below.

Referring to fig. 1-4, in one embodiment, a brush shaft structure 100 includes a brush shaft assembly 110 and a wire brush 120. The brush shaft assembly 110 includes a transmission shaft 111 and a shaft head 112 rotatably disposed at an end of the transmission shaft 111, the shaft head 112 having a first position and a second position rotated by a predetermined angle with respect to the first position, the shaft head 112 having a position-limiting protrusion 113 protruding in a circumferential direction. The wire brush 120 has a mounting hole 121 mounted to the driving shaft 111 and a passing groove 122, the passing groove 122 being located at an inner wall of the mounting hole 121 for the limiting protrusion 113 to pass through. The shaft head 112 is in a first position, the limiting bulge 113 is opposite to the through groove 122, and the wire brush 120 can be arranged on the transmission shaft 111 through the shaft head 112; with the stub shaft 112 in the second position, the limit projection 113 is deflected through the slot 122 and can abut the end of the wire brush 120.

The transmission shaft 111 is a rotating body of the brush shaft structure 100, and is used for mounting the wire brush 120. The wire brush 120 is a body member for removing rust, the wire brush 120 has a mounting hole 121 mounted to the transmission shaft 111, and the wire brush 120 is mounted to the transmission shaft 111 through the mounting hole 121. The transmission shaft 111 is installed on the output end of the shaft body rust removing mechanism. When the shaft body rust removing mechanism removes rust on the shaft body of the wheel pair, the shaft body rust removing mechanism can drive the transmission shaft 111 to rotate, so that the transmission shaft 111 drives the steel wire brush 120 to rotate, the steel wire brush 120 is in rotating contact with the shaft body of the wheel pair, and rust removal of the shaft body of the wheel pair is achieved.

After the wire brush 120 is installed on the transmission shaft 111, the axial direction of the wire brush 120 needs to be limited, so that the wire brush 120 is prevented from being separated from the end part of the transmission shaft 111, the wire brush 120 is reliably arranged on the transmission shaft 111, and the rust removing effect of the wire brush 120 is further ensured. Therefore, the utility model discloses a brush axle construction 100 sets up spindle nose 112 at the tip of transmission shaft 111, carries on spacingly through spindle nose 112 to wire brush 120, and moreover, spindle nose 112 can also be convenient for the installation and the dismantlement of wire brush 120, makes things convenient for the change of wire brush 120.

Specifically, the shaft head 112 is mounted on the transmission shaft 111 and has a first position and a second position, and the first position and the second position are staggered. The stub shaft 112 is rotatably switchable between a first position and a second position. After the shaft head 112 is installed on the transmission shaft 111, the shaft head 112 is in a second position in a free state; when an external force is applied to the shaft head 112, the shaft head 112 rotates by a predetermined angle with respect to the transmission shaft 111, and the shaft head 112 rotates from the second position to the first position. Optionally, the preset angle here ranges from 5 ° to 85 °.

The attachment of the wire brush 120 requires the shaft head 112 to be rotated from the second position to the first position so that the wire brush 120 can be attached to the drive shaft 111 through the shaft head 112. After the wire brush 120 is mounted on the transmission shaft 111, the shaft head 112 returns to the second position from the first position, and the wire brush 120 is limited by the shaft head 112. When the wire brush 120 is disassembled, the shaft head 112 rotates from the second position to the first position, the wire brush 120 can be disassembled from the transmission shaft 111 through the shaft head 112, and after the disassembly is completed, the shaft head 112 returns to the second position from the first position.

More specifically, when the wire brush 120 is installed, the wire brush 120 is installed at the shaft head 112, and the wire brush 120 is pulled to drive the shaft head 112 to rotate from the second position to the first position, at this time, the installation hole 121 of the wire brush 120 corresponds to the transmission shaft 111, and the wire brush 120 can pass through the shaft head 112 through the installation hole 121 and be installed on the transmission shaft 111. Subsequently, as the wire brush 120 is mounted on the transmission shaft 111 and separated from the shaft head 112, the shaft head 112 can be reset from the first position to the second position, at which the shaft head 112 will abut against the end of the wire brush 120 in the second position, and the wire brush 120 is axially limited by the shaft head 112, so that the wire brush 120 is prevented from moving out of the transmission shaft 111 from the shaft head 112. When in rust removal, the transmission shaft 111 rotates and drives the wire brush 120 to rotate so as to realize the rust removal operation. When the steel wire brush 120 is disassembled, the shaft head 112 is pulled, so that the shaft head 112 rotates from the second position to the first position, at the moment, the mounting hole 121 of the steel wire brush 120 can correspond to the shaft head 112, the steel wire brush 120 can slide to the shaft head 112 along the transmission shaft 111 through the mounting hole 121, then the shaft head 112 slides out, the steel wire brush 120 is disassembled from the transmission shaft 111, and after the steel wire brush 120 is disassembled, the shaft head 112 can reset to the second position from the first position.

Furthermore, the brush shaft assembly 110 further includes a limiting protrusion 113, the shaft head 112 is rotatably mounted at the end of the transmission shaft 111, and the limiting protrusion 113 is disposed on the outer wall of the shaft head 112 in the radial direction and protrudes from the outer wall of the shaft head 112. The wire brush 120 has a mounting hole 121 and a through groove 122, and the mounting hole 121 is disposed on an inner wall of the through groove 122 and extends in a radial direction. The through groove 122 of the wire brush 120 can be passed through by the limit protrusion 113 on the shaft head 112.

When the axle head 112 rotates from the second position to the first position, the through groove 122 of the wire brush 120 can correspond to the limit protrusion 113 of the axle head 112, so that the wire brush 120 can pass through the axle head 112 and be mounted on the transmission shaft 111. After the shaft head 112 rotates from the first position to the second position, the limiting protrusion 113 on the shaft head 112 deviates from the passing groove 122 of the wire brush 120, and at this time, the limiting protrusion 113 abuts against the end of the wire brush 120 to limit the axial movement of the wire brush 120, so that the wire brush 120 is prevented from sliding out of the transmission shaft 111 from the shaft head 112.

The axle head 112 is in the second position in the free state, when the wire brush 120 is installed, the through groove 122 of the wire brush 120 is aligned with the limiting protrusion 113 on the axle head 112, and the wire brush 120 is installed on the axle head 112 through the matching of the groove 122 and the limiting protrusion 113. When the wire brush 120 is rotated, the wire brush 120 may drive the shaft head 112 to rotate from the second position to the first position, and at this time, the wire brush 120 may be installed on the transmission shaft 111 through the shaft head 112. Subsequently, the stub shaft 112 is reset from the first position to the second position, in which the limit projection 113 on the stub shaft 112 is offset from the passage groove 122 of the wire brush 120, and the wire brush 120 is blocked by the limit projection 113. When the wire brush 120 is disassembled, the shaft head 112 is rotated from the second position to the first position, the limiting protrusion 113 which passes through the groove 122 and corresponds to the shaft head 112 on the wire brush 120 is arranged, the wire brush 120 can slide out of the shaft head 112 through the matching of the groove 122 and the limiting protrusion 113, and the disassembling of the wire brush 120 is realized. After the removal of the wire brush 120 is completed, the stub shaft 112 is repositioned from the first position to the second position.

The brush axle structure 100 of the above embodiment, through the switching of the axle head 112 at the first position and the second position and the cooperation of the limiting protrusion 113 and the through groove 122, realizes the installation and the dismantlement of the wire brush 120 on the transmission shaft 111, effectively solves the problem that the replacement process of the current wire brush 120 is complicated, simplifies the step of the disassembly and assembly process of the wire brush 120, facilitates the replacement of the wire brush 120, and simultaneously, reduces the labor intensity when the operator replaces the wire brush 120, improves the working efficiency, and avoids time waste.

Optionally, the transmission shaft 111 includes a main shaft and a bearing sleeved on the mounting housing and supported between the main shaft and the mounting housing. The main shaft is electrically connected with the output end of the shaft body rust removing mechanism, so that the driving of the rotating motion of the main shaft is realized. When the main shaft rotates, the main shaft can rotate relative to the mounting shell through the bearing. The spindle stretches out of the installation shell, the steel wire brush 120 is installed on the spindle section of the spindle stretching out of the shell, the spindle head 112 is installed at the end of the spindle, the spindle head 112 and the installation shell can limit the axial position of the steel wire brush 120, the steel wire brush 120 is prevented from being separated from the transmission shaft 111, and the working reliability of the steel wire brush 120 is guaranteed.

Alternatively, the wire brush 120 includes a brush barrel and a brush body surrounding the brush barrel, and is formed by a steel wire arranged in the radial direction, and the brush body formed by the steel wire is in contact with the shaft body of the wheel set to remove rust on the shaft body of the wheel set. The wire brush 120 further comprises baffles arranged at both ends of the brush barrel, and the baffles are positioned at both sides of the brush body and used for enabling the brush body to form a regular cylindrical structure. The wire brush 120 is surrounded by a brush barrel to form a mounting hole 121. After the wire brush 120 is installed on the transmission shaft 111, the transmission shaft 111 drives the wire brush 120 to rotate, so that the outer circumferential surface of the brush body of the wire brush 120 is in contact with the shaft body, and the rust removal operation of the shaft body of the wheel pair is realized.

In one embodiment, the brush shaft assembly 110 further includes a fixing member 115, the fixing member 115 is fixed to an end of the driving shaft 111 through a shaft head 112, and the shaft head 112 is rotatable with respect to the fixing member 115. The shaft head 112 has a through hole, the fixing member 115 is installed at the end of the transmission shaft 111 through the through hole, the fixing member 115 is fixedly connected with the transmission shaft 111, and the shaft head 112 is rotatably connected with the fixing member 115 through the through hole. Therefore, the limitation of the axial position of the shaft head 112 can be realized, the shaft head 112 can rotate relative to the transmission shaft 111, the switching of the shaft head 112 between the first position and the second position is realized, and the axial position of the shaft head 112 is prevented from moving. Alternatively, the fixing member 115 is a screw, a fixing post, or the like.

In an embodiment, the end of the transmission shaft 111 has a connection hole, the shaft head 112 includes a fitting shaft 1121 and a limiting shaft 1222, the limiting shaft 1222 is disposed at the end of the fitting shaft 1121, the circumferential direction of the limiting shaft 1222 protrudes out of the fitting shaft 1121, the fitting shaft 1121 is installed in the connection hole, and the end of the limiting shaft 1222 abuts against the end of the transmission shaft 111.

The end of the transmission shaft 111 has a coupling hole provided in an axial direction, and the fixing member 115 is fixedly installed on an inner wall of the coupling hole through the shaft head 112 to achieve the position restriction of the shaft head 112. The shaft head 112 has an engaging shaft 1121 and a limiting shaft 1222, the shaft head 112 is rotatably mounted in a connecting hole at the end of the transmission shaft 111 through the engaging shaft 1121, and the limiting shaft 1222 can limit the mounting position of the shaft head 112 relative to the transmission shaft 111, so as to prevent the shaft head 112 from completely extending into the connecting hole.

That is to say, the fitting shaft 1121 and the limiting shaft 1222 form a boss structure, the fitting shaft 1121 is located in the connecting hole, the limiting shaft 1222 is provided for the mounting hole 121 of the wire brush 120 to pass through, the limiting protrusion 113 is arranged on the outer wall of the limiting shaft 1222, and the mounting and limiting of the wire brush 120 are realized through the combination of the limiting shaft 1222 and the limiting protrusion 113.

Alternatively, the sectional shape of the mounting hole 121 is the same as that of the stopper shaft 1222. This facilitates the installation of the wire brush 120 onto the drive shaft 111 through the spacing shaft 1222. Furthermore, the spacing shaft 1222 can also position the wire brush 120 after the shaft head 112 rotates from the first position to the second position. Alternatively, the cross-sectional shape of the stub shaft 112 is the same as that of the end of the propeller shaft 111. That is, when the shaft head 112 is at the first position, the limit shaft 1222 of the shaft head 112 is aligned with the cross section of the transmission shaft 111, so that the steel wire brush 120 can be conveniently installed on the transmission shaft 111 through the shaft head 112; when the shaft head 112 is in the second position, the limit shaft 1222 of the shaft head 112 is staggered with the cross section of the transmission shaft 111, so that the limit bulge 113 on the shaft head 112 is staggered with the through groove 122 on the wire brush 120.

Optionally, the cross-sectional shapes of the mounting hole 121 and the stopper shaft 1222 are regular polygons or circles. Illustratively, the cross-sectional shape of the restraining shaft 1222 of the stub shaft 112 is square, regular hexagon, circle, etc., as shown in fig. 5-7.

Referring to fig. 1 to 4, for convenience of description, the present invention only uses the cross-sectional shape of the shaft head 112 as a square for illustration, and correspondingly, the mounting hole 121 is also square. The limit bulge 113 is arranged on the edge of the square shaft head 112 and is arranged in a protruding mode. When the position-limiting protrusions 113 correspond to the passing grooves 122 of the wire brush 120, the wire brush 120 may be mounted to the stub shaft 112, and the mounting of the wire brush 120 to the driving shaft 111 is achieved by the rotation of the stub shaft 112. When the limiting protrusion 113 corresponds to the passing groove 122 of the wire brush 120, the wire brush 120 can be detached from the transmission shaft 111 through the limiting protrusion 113.

Optionally, the number of the limiting protrusions 113 is two, and the two limiting protrusions 113 are arranged on the outer wall of the shaft head 112 at intervals. Further, the two limit protrusions 113 are symmetrically arranged.

Optionally, the limit protrusions 113 are integrally formed with the axle head 112. Of course, in other embodiments of the present invention, the limiting protrusion 113 and the shaft head 112 may be separately disposed and detachably connected. Optionally, the limiting protrusion 113 is a limiting column which may be disposed in a protruding manner, an arc surface which may also be disposed in a protruding manner, and other components which can limit the axial displacement of the wire brush 120. Optionally, the cross section of the limiting protrusion 113 is in a U shape, an arc shape, a linear splicing shape or a curved splicing shape; the sectional shape of the stopper protrusion 113 is the same as the sectional shape of the passage groove 122.

In one embodiment, the brush shaft assembly 110 further includes a return elastic member 114, the return elastic member 114 is disposed between the shaft head 112 and the transmission shaft 111, and the return elastic member 114 is used for rotating the shaft head 112 from the first position to the second position. The elastic restoring element 114 is sleeved on the axle head 112 and respectively connects the axle head 112 and the transmission shaft 111. The return spring 114 has a spring force. Alternatively, the return elastic member 114 is a torsion spring, a coil spring, or the like.

When no external force acts on the shaft head 112, the elastic force of the reset elastic member 114 makes the shaft head 112 be in the second position, at this time, the shaft head 112 and the transmission shaft 111 are staggered, and the wire brush 120 cannot be mounted on the transmission shaft 111. When an external force is applied to the stub shaft 112 such that the stub shaft 112 moves from the second position to the first position against the elastic force of the return elastic member 114, the stub shaft 112 is aligned with the driving shaft 111, and the wire brush 120 can be mounted to or dismounted from the driving shaft 111. When the external force on the shaft head 112 disappears, the elastic force of the elastic restoring element 114 drives the shaft head 112 to restore from the first position to the second position.

When the wire brush 120 is installed, the passing groove 122 of the wire brush 120 is aligned with the limiting protrusion 113 of the shaft sleeve, the wire brush 120 is installed on the shaft head 112, the shaft head 112 is driven to rotate by rotating the wire brush 120, so that the shaft head 112 overcomes the elastic force of the reset elastic piece 114 and rotates from the second position to the first position, at the moment, the shaft head 112 is aligned with the transmission shaft 111, and the wire brush 120 can move to the transmission shaft 111 from the shaft head 112. When the wire brush 120 moves to the transmission shaft 111, the shaft head 112 loses the external force effect, the elastic force of the shaft head 112 at the reset elastic element 114 resets from the first position to the second position, and the limit bulge 113 of the shaft head 112 is positioned at the end part of the wire brush 120, so that the wire brush 120 is prevented from being separated from the transmission shaft 111.

Therefore, the shaft body rust removing mechanism can utilize the transmission shaft 111 to drive the wire brush 120 to rotate so as to remove rust on the shaft body of the wheel set. When the wire brush 120 needs to be replaced, the shaft head 112 is pulled to move from the second position to the first position against the elastic force of the return elastic member 114, at this time, the shaft head 112 is aligned with the transmission shaft 111, and the wire brush 120 can move from the transmission shaft 111 to the shaft head 112 and then be separated from the shaft head 112. When the wire brush 120 is disassembled, the shaft head 112 loses the external force, and the elastic force of the shaft head 112 at the restoring elastic member 114 is restored from the first position to the second position.

In an embodiment, the brush shaft assembly 110 includes a limit pin 116, an outer wall of the fitting shaft 1121 has a limit groove 11211 along a circumferential direction, the limit groove 11211 penetrates through the transmission shaft 111 and extends into the limit groove 11211 and can slide along the limit groove 11211, and the limit groove 11211 and the limit shaft 1222 are used for limiting a rotational displacement of the shaft head 112 at the first position and the second position.

The length of the limit groove 11211 is equal to the rotational displacement of the spindle head 112 between the first position and the second position. When the axle head 112 rotates between the first position and the second position, the limit groove 11211 slides along the limit shaft 1222, and when the limit shaft 1222 abuts against the two inner walls of the limit groove 11211, the axle head 112 rotates to the first position or the second position. Through the cooperation of spacing groove 11211 and spacing axle 1222, can avoid spindle nose 112 overtravel to rotate, guarantee that spacing arch 113 on the spindle nose 112 aims at the groove 122 that passes through of wire brush 120, perhaps, spacing arch 113 can be accurate spacing to wire brush 120.

In an embodiment, the brush axle structure 100 further includes a limiting elastic member 130, wherein the limiting elastic member 130 is sleeved on the transmission shaft 111 and abuts the wire brush 120 against the axle head 112. The position-limiting elastic member 130 serves to achieve the position limitation of the wire brush 120. After the transmission shaft 111 is sleeved with the limiting elastic member 130, one end of the limiting elastic member 130 abuts against the transmission shaft 111, and the other end abuts against the wire brush 120.

When the wire brush 120 is installed on the transmission shaft 111, the wire brush 120 compresses the elastic limiting element 130 first, so that the wire brush 120 is completely located behind the transmission shaft 111, and then is limited by the shaft head 112 and the elastic restoring element 114. When the wire brush 120 is disassembled, after the shaft head 112 is pulled to move from the second position to the first position, the passing groove 122 of the wire brush 120 corresponds to the limiting protrusion 113 of the shaft sleeve, the elastic force of the limiting elastic member 130 can push the wire brush 120 to move to the shaft head 112, and then the wire brush 120 can be disassembled from the shaft head 112.

When the wire brush 120 is installed, the passing groove 122 of the wire brush 120 is aligned with the limiting protrusion 113 of the shaft sleeve, the wire brush 120 is installed on the shaft head 112, the shaft head 112 is driven to rotate by rotating the wire brush 120, so that the shaft head 112 overcomes the elastic force of the reset elastic piece 114 and rotates from the second position to the first position, at the moment, the shaft head 112 is aligned with the transmission shaft 111, and the wire brush 120 compresses the limiting elastic piece 130 and moves from the shaft head 112 to the transmission shaft 111. When the wire brush 120 moves to the transmission shaft 111, the shaft head 112 loses the external force effect, the elastic force of the shaft head 112 at the reset elastic element 114 resets from the first position to the second position, and the limit bulge 113 of the shaft head 112 is positioned at the end part of the wire brush 120, so that the wire brush 120 is prevented from being separated from the transmission shaft 111. In the process, the limiting of the wire brush 120 on the transmission shaft 111 is realized through the matching of the limiting elastic piece 130 and the shaft head 112, and the position of the wire brush 120 is prevented from moving.

Therefore, the shaft body rust removing mechanism can utilize the transmission shaft 111 to drive the wire brush 120 to rotate so as to remove rust on the shaft body of the wheel set. When the wire brush 120 needs to be replaced, the shaft head 112 is pulled to move from the second position to the first position against the elastic force of the return elastic member 114, at this time, the limit protrusion 113 of the shaft head 112 corresponds to the through groove 122 of the wire brush 120, and the limit elastic member 130 pushes the wire brush 120 from the transmission shaft 111 to the shaft head 112. The wire brush 120 is partially positioned on the transmission shaft 111 and partially positioned on the shaft head 112 to limit the rotation of the shaft head 112, and at this time, the wire brush 120 can be separated from the shaft head 112. When the wire brush 120 is disassembled, the shaft head 112 loses the external force, and the elastic force of the shaft head 112 at the restoring elastic member 114 is restored from the first position to the second position.

The utility model discloses a brush axle construction 100, through spacing arch 113 of spindle nose 112, the cooperation through groove 122 of elastic component 114 and the steel brush 120 that resets realize the quick dress card of steel brush 120, simplify the change process of steel brush 120, make things convenient for the change of steel brush 120, improve work efficiency, reduce intensity of labour. Moreover, through experiments, the brush axle structure 100 of the present invention can complete the assembly and disassembly of the wire brush 120 only through one part, and compared with the replacement of the wire brush 120 by using a cotter pin or a gland, the replacement time is greatly shortened.

The utility model also provides an axle body rust cleaning mechanism, including radial feed structure, axial displacement structure and the brush axle construction 100 in any of the above-mentioned embodiments. The radial feeding structure is arranged on the axial moving structure and moves along with the axial moving structure; the brush shaft structure 100 is arranged at the end part of the radial feeding structure and moves along with the radial feeding structure; the axial moving structure is installed on an installation rack of a railway truck wheel pair deruster, and the brush shaft structure 100 is used for derusting the shaft body of the wheel pair.

The radial feeding structure drives the brush shaft structure 100 to descend, so that the steel wire brush 120 of the brush shaft structure 100 contacts with the shaft body of the wheel pair, the axial moving structure drives the radial feeding structure and the brush shaft structure 100 to reciprocate along the axial direction, and the radial feeding structure also drives the transmission shaft 111 to drive the steel wire brush 120 to rotate, so that the steel wire brush 120 can perform rust removal operation on the shaft body of the wheel pair.

The utility model discloses an axle body rust cleaning mechanism adopts the brush axle construction 100 back of above-mentioned embodiment, can realize steel brush 120's quick replacement, improves work efficiency, shortens the change time, reduces operating personnel's intensity of labour. It should be noted that the rest of the brush shaft structure 100 at the shaft body rust removing mechanism is the existing structure, and is not described in detail here.

The utility model also provides a railway freight car wheel is to deruster, including the axle body rust cleaning mechanism in installation frame, dust guard seat rust cleaning mechanism and the above-mentioned embodiment. The shaft body rust removing mechanism is arranged on the mounting rack through the axial moving structure and used for removing rust on the shaft body of the wheel pair, and the dust plate seat rust removing mechanism is arranged on the mounting rack and used for removing rust on the dust plate seat of the wheel pair. The utility model discloses a rail wagon deruster adopts and has brush axle body rust cleaning mechanism back of axle construction 100, can realize wire brush 120 quick replacement, convenient to use.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A brush axle construction, characterized in that, be applied to in the axle body rust cleaning mechanism of railway freight car wheel pair deruster, brush axle construction includes:

the brush shaft assembly comprises a transmission shaft and a shaft head rotatably arranged at the end part of the transmission shaft, the shaft head is provided with a first position and a second position which rotates for a preset angle relative to the first position, and the shaft head is provided with a limiting bulge protruding along the circumferential direction; and

the steel wire brush is provided with a mounting hole mounted on the transmission shaft and a through groove, and the through groove is positioned on the inner wall of the mounting hole and is used for the limiting bulge to pass through;

the spindle head is located at the first position, the limiting bulge is opposite to the passing groove, and the steel wire brush can be arranged on the transmission shaft through the spindle head; the shaft head is located at the second position, and the limiting bulge deviates from the passing groove and can be abutted against the end part of the steel wire brush.

2. The brush shaft structure of claim 1, wherein the brush shaft assembly further comprises a return spring disposed between the shaft head and the drive shaft, the return spring configured to rotate the shaft head from the first position to the second position.

3. The brush shaft structure of claim 1, wherein the brush shaft assembly further comprises a fixing member fixed to an end of the drive shaft through the shaft head, the shaft head being rotatable with respect to the fixing member.

4. The brush shaft structure according to any one of claims 1 to 3, wherein the end of the transmission shaft has a connection hole, the shaft head includes a fitting shaft and a limiting shaft, the limiting shaft is disposed at the end of the fitting shaft, the circumference of the limiting shaft protrudes from the fitting shaft, the fitting shaft is installed in the connection hole, and the end of the limiting shaft abuts against the end of the transmission shaft.

5. The brush shaft structure of claim 4, wherein the brush shaft assembly comprises a limit pin, the outer wall of the mating shaft is provided with a limit groove along the circumferential direction, the limit groove penetrates through the transmission shaft and extends into the limit groove and can slide along the limit groove, and the limit groove and the limit shaft are used for limiting the rotational displacement of the shaft head at the first position and the second position.

6. The brush shaft structure according to claim 5, wherein the sectional shape of the mounting hole is the same as the sectional shape of the stopper shaft;

the cross section shapes of the mounting hole and the limiting shaft are regular polygons or circles.

7. The brush shaft structure of claim 1, wherein the limiting protrusion is integrally or detachably connected with the shaft head;

the section of the limiting bulge is in a U shape, an arc shape, a straight line splicing shape or a curve splicing shape; the cross section of the limiting protrusion is the same as that of the through groove.

8. The brush shaft structure according to any one of claims 1 to 3, further comprising a limiting elastic member, wherein the limiting elastic member is sleeved on the transmission shaft and abuts the wire brush against the shaft head.

9. A rust removing mechanism for a shaft body, which is characterized by comprising a radial feeding structure, an axial moving structure and a brush shaft structure as claimed in any one of claims 1 to 8;

the radial feeding structure is arranged on the axial moving structure and moves along with the axial moving structure; the brush shaft structure is arranged at the end part of the radial feeding structure and moves along with the radial feeding structure; the axial moving structure is installed on an installation rack of the railway wagon wheel pair deruster, and the brush shaft structure is used for derusting the shaft body of the wheel pair.

10. A railway freight car wheel set deruster, characterized by, including installing the stander, dust guard seat deruster and axle body deruster as stated in claim 9;

the shaft body rust removing mechanism is arranged on the mounting rack through an axial moving structure and used for removing rust on the shaft body of the wheel pair, and the dust plate seat rust removing mechanism is arranged on the mounting rack and used for removing rust on the dust plate seat of the wheel pair.

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