CN216424417U - Centering device - Google Patents
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- CN216424417U CN216424417U CN202122634958.4U CN202122634958U CN216424417U CN 216424417 U CN216424417 U CN 216424417U CN 202122634958 U CN202122634958 U CN 202122634958U CN 216424417 U CN216424417 U CN 216424417U
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Abstract
The utility model provides a centering device, include: the cover body: the sleeve body mounting cavity is arranged along the axial direction of the sleeve body, and sleeve body mounting holes are symmetrically formed in the side wall of the sleeve body along the radial direction of the sleeve body; blocking plate: are respectively arranged at the mounting holes of the sleeve body, and the end surface of one side of the sleeve body facing the mounting holes comprises an arc surface; block structure: the block structure mounting cavity is arranged in the sleeve body mounting cavity and comprises a block structure body; rolling parts: the connecting device is arranged at the through holes at the two ends of the mounting cavity of the block structure and is contacted with the arc-shaped surface of the corresponding side blocking plate; an elastic member: is arranged in the mounting cavity of the block structure; the closure plate arc surface is a multi-section reducing structure and comprises a section with the same diameter as the rotation center and a reducing section, the rolling parts and the elastic parts are limited in the relative space of the arc surface by the closure plates on two sides, and the elastic parts can be compressed in the process that the rolling parts move along the arc surface. The arc section of the roller plug adopts a sectional structure, can be adjusted in a centering way in the reducing section, and can maintain the rotating state of the car coupler in the same-diameter section.
Description
Technical Field
The utility model belongs to the technical field of rail vehicle buffer, especially, relate to centering device for coupling.
Background
The centering device is an important device for realizing the horizontal swinging and automatic centering functions of the car coupler and is widely applied to the car coupler buffer.
In the prior art, the coupler buffer centering device can realize the automatic centering function of +/-15 degrees after the horizontal swing of the coupler. When the coupler swings left and right within 15 degrees, the centering device is subjected to restoring force of compression of the disc spring, and the coupler can return automatically. The centering mode ensures that the coupler can only be within 15 degrees, no matter which position generates centering force and returns to the central position, the coupler can not control the centering angle, and the multi-section stopping and adjusting function can not be realized. In order to meet the requirements of wider centering angles, such as manually swinging a specific angle and stopping for convenient coupling when the vehicle curves too small, the centering device needs to meet the requirements of new centering angles: 1. the centering force is generated in the first section range, and automatic centering can be realized; 2. when the range exceeds the first section range, no centering force exists when the range enters the second section range; 3. and the centering force exists in the range of exceeding the second section and entering the third section, and the centering can be automatically performed.
Chinese patent CN101857041B discloses a compact centering device, which keeps the center line of the hitch device consistent with the center line of the vehicle when the external force is small or reduced after the hitch device rotates in the horizontal direction due to the action of the external force through the arc cooperation of the roller and the roller plug. The arc on the roller plug is of a bilateral symmetrical structure and only has one arc section which is not concentric with the rotation center of the centering device with the bilateral arc, the function of the centering device is limited by the structure, the arc has an adjusting function only in a swing range of a certain angle, and the arc does not have a sectional adjusting function and cannot control the centering angle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the aforesaid technical problem, provide a train hook delays centering device for system with multistage centering adjustment function.
In order to achieve the above object, the utility model adopts the following technical scheme:
a centering device for use with a draft gear for centering draft gear rotation, comprising:
covering a body: the sleeve body comprises a sleeve body mounting cavity along the axial direction of the sleeve body, two mounting holes of a sleeve structure are symmetrically arranged on the side wall of the sleeve body along the radial direction of the sleeve body, and the mounting holes are communicated with the mounting cavity;
blocking plate: the two mounting holes are arranged at the mounting holes, and the end surface of one side of the mounting holes, which faces the mounting holes, is an arc surface;
block structure: the block structure is arranged behind the sleeve body installation cavity, the extension direction of the block structure installation cavity is the radial direction of the sleeve body, and the through openings at the two ends of the block structure installation cavity are aligned with the sleeve body installation hole;
rolling parts: the connecting device is arranged at the through holes at the two ends of the mounting cavity of the block structure and is contacted with the arc-shaped surface of the corresponding side blocking plate;
an elastic member: is arranged in the mounting cavity of the block structure;
the axial center of the sleeve body is the rotation center of the rolling piece; the closure plate arc surface is a multi-section reducing structure, the rotation center is used as a reference, the closure plate comprises a section with the same diameter as the sleeve body installation cavity and a section with the different diameter of the sleeve body installation cavity, the radius of the section with the different diameter is smaller than that of the sleeve body installation cavity, the two side closure plates limit the rolling part and the elastic part in the relative space of the arc surface, and the rolling part can compress the elastic part in the motion process of the arc surface.
In some embodiments of the present invention, the arc surface includes:
a first arc segment: the radius of the first arc-shaped section is smaller than that of the sleeve body installation cavity by taking the rotation center as a reference;
a second arc segment: is a section with the same diameter as the sleeve body installation cavity and comprises two sections which are respectively connected with the two side edges of the first arc-shaped section.
In some embodiments of the present invention, the arc-shaped surface further comprises:
a third arc segment: and the radius of the third arc-shaped section is smaller than that of the sleeve body mounting cavity by taking the rotation center as a reference, and the third arc-shaped section comprises two sections which are respectively connected with the edges of two sides of the second arc-shaped section.
In some embodiments of the present invention, the arc-shaped surface further comprises:
a fourth arc segment: is a section with the same diameter as the sleeve body installation cavity and comprises two sections which are respectively connected with the two side edges of the third arc-shaped section.
The utility model discloses some embodiments: taking the rotation center of the rolling piece as a reference:
the central angle corresponding to the first arc-shaped section is 0-3 degrees;
the central angle corresponding to the second arc-shaped section is 3-4 degrees;
the central angle that the third arc section corresponds is 4 ~ 15.
In some embodiments of the present invention, the central point of the first arc-shaped section is located at the symmetric center of the length direction of the blocking plate.
The utility model discloses in some embodiments, further include:
a shaft block: the two elastic pieces are respectively arranged at two ends of the block structure mounting cavity, one end of each elastic piece is arranged in the block structure mounting cavity, the other end of each elastic piece is positioned outside the block structure mounting cavity, the shaft blocks can move relative to the block structure mounting cavity, and the elastic pieces are limited between the two shaft blocks;
the rolling piece is a roller and is connected with one end of the shaft block, which is positioned outside the mounting cavity of the block structure, through a shaft.
In some embodiments of the present invention, the shaft block is located one end of the block structure installation cavity and forms the cavity opening, and the elastic member is located the cavity opening.
The utility model discloses in some embodiments, further include:
wearing a sleeve: the shaft block structure comprises a plurality of shaft blocks, wherein the shaft blocks are arranged on the outer wall of the shaft block at intervals and used for reducing direct abrasion between the shaft blocks and the block structure installation cavity.
The utility model discloses in some embodiments, cover body mounting hole includes:
arc hole section: the rolling piece is used for accommodating the rolling piece and comprises an upper arc-shaped section and a lower arc-shaped section, and a non-closed structure is arranged between the upper arc-shaped section and the lower arc-shaped section;
a slot section: the first side slot hole section is connected with a first side gap of the upper arc-shaped section and the lower arc-shaped section, and the second side slot hole section is connected with a second side gap of the upper arc-shaped section and the lower arc-shaped section;
the two ends of the arc-shaped surface of the blocking plate form a protruding structure which is respectively inserted into the first slot hole section and the second slot hole section.
The utility model discloses in some embodiments, be provided with the fixture block on the terminal surface of blocking structure orientation buffer one side for its and the buffer between the installation fixed.
The utility model provides a centering device, its beneficial effect lies in:
1. the arc surface of the blocking plate adopts a segmented structure and comprises a section with the same diameter as the rotation center and a section with different diameter, the centering adjustment can be carried out in the section with different diameter, the rotation state of the car coupler can be maintained in the section with the same diameter, and the operation such as coupling and the like can be conveniently carried out on the car in the rotation state.
2. Different centering function combinations can be realized through the combination of a plurality of sections of the same diameter and different diameter sections.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced 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 without inventive labor.
Fig. 1 is an explosion structure diagram of the centering device of the present invention.
Fig. 2 is a schematic view of the assembly state structure of the centering device of the present invention.
Fig. 3 is the working cooperation schematic diagram of the arc-shaped section of the double-side blocking plate of the utility model.
Fig. 4 is a schematic structural diagram of an arc-shaped section of a single-side blocking plate.
FIG. 5 is a partial enlarged view of a mounting hole of the one-sided sheath.
Fig. 6 is a schematic view of an assembly structure of the centering device and the buffer.
1-sleeve body, 101-sleeve body installation cavity, 102-sleeve body installation hole, 1021-upper arc section, 1022-lower arc section, 1023-first side slotted hole section, 1024-second side slotted hole section, 103-plate structure, 104-fixing piece installation hole, 105-radial extension part and 106-rotation center;
2-blocking plate, 201-arc surface, 2011-first arc section, 2012-second arc section, 2013-third arc section, 2014-fourth arc section, 202-convex structure;
3-block structure, 301-block structure installation cavity, 302-fixture block;
4-an elastic member;
5-a buffer;
6-shaft block, 601-shaft hole, 602-cavity opening,
7-roller, 701-wheel shaft, 702-wheel body;
8-a guide rod;
9-wear sleeve.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "disposed on," "connected to," another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element. The terms "first" and "second" are used for descriptive purposes only and are not intended to imply relative importance.
The utility model provides a centering device, with the supporting use of coupling buffer for coupling pivoted centering.
Referring to fig. 1 and 2, the centering device includes a sheath 1, a blocking plate 2, a block structure 3, a rolling member, an elastic member 4, and the like.
The cover body 1: the sleeve body is axially provided with a sleeve body installation cavity 101, the side wall of the sleeve body is symmetrically provided with sleeve body installation holes 102 along the radial direction of the sleeve body, and the installation holes 102 are communicated with the installation cavity 101. In this embodiment, the cylindrical body of the sleeve body 1 is cylindrical, and a cylindrical hole is formed along the thickness direction of the base body, the cylindrical hole is concentric with the sleeve body 1, and the cylindrical hole is the sleeve body installation cavity 101. The axle center direction of cylinder hole and cover body 1 is the cover body 1 axial, and the axial that this scheme is described below is the same direction with the cover body axial.
The upper end surface of the sleeve body 1 comprises a plate-shaped structure 103 extending along the radial direction of the base body to the outside, and the plate-shaped structure 103 is provided with a fixing piece mounting hole 104 for fixedly mounting the sleeve body 1 to the buffer body 5 through a fixing piece.
The two radially symmetrical sides of the sleeve body 1 comprise a section of radial extension part 105, and the end surface of the extension part 105 is flat and straight, so that the installation of the plugging plate 2 is convenient. The sleeve mounting hole 102 extends through the cylindrical hole along the direction from the extension 105 to the cylindrical hole.
The blocking plate 2: the two parts have the same structure, are arranged at the sleeve body mounting hole 102, and have arc-shaped surfaces 201 facing the end surface of one side of the sleeve body mounting hole 102. After the blocking plate 2 is arranged at the mounting hole 102 of the sleeve body, the part of the arc-shaped surface is positioned in the mounting hole 102; the two sides of the arc surface are the installation parts of the blocking plate 2 and the sleeve body 1, are opposite to the radial extension part 105 and are fixed by a fixing part. When the blocking plate 2 is installed on the sleeve body 1, the blocking plate 2 and the sleeve body installation cavity 101 enclose a cavity closed along the circumferential direction.
Block structure 3: the setting is in set body installation cavity 101, is located closure plate 2 and the closed cavity of edge circumference in set body installation cavity 101 besieged city promptly, including the block structure installation cavity 301 that link up the block structure body, block structure 3 sets up behind set body installation cavity 101, and block structure installation cavity 301's extending direction is the radial direction of the cover body 1, and block structure installation cavity 301 both ends opening can align with two cover body mounting holes 102 respectively. The dimensions of the case mounting hole 102 are configured to: at least the entirety of the arcuate surface 201 may be accommodated.
Rolling parts: including two, set up in the both ends of block structure installation cavity 301 punchthrough department, with correspond the contact of side closure plate arcwall face 201.
The elastic member 4: is arranged in the block structure mounting cavity 301; in the embodiment, the elastic part adopts a pressure spring;
the axial center of the sleeve body 1 is the rotation center 106 of the rolling part, the sleeve body 1 is cylindrical, the axis of the cylinder is the rotation center 106 of the sleeve body 1, the sleeve body installation cavity 101 is a cylindrical cavity, and the distance between the rotation center and the peripheral wall of the side of the cavity body corresponds to the radius of the sleeve body installation cavity 101; the closure arc face 201 is the multistage reducing structure, and the reducing be for the radius of cover body installation cavity 101 here the reducing, include with cover body installation cavity 101 reducing section and with cover body installation cavity 101 reducing section, the radius of reducing section is less than the radius of cover body installation cavity 101, both sides closure 2 with rolling member and elastic component 4 restriction in the relative space of arc face 201, the rolling member along the arc face 201 in-process of moving, compressible elastic component 4.
Because the arc surface 201 is of a reducing structure, when the rolling member moves to different positions of the arc surface 201, the rolling member can move relative to the block structure mounting cavity 301, and then acts on the elastic member 4. The spring 4 is initially in an uncompressed state by default, with the rolling elements in the same diameter section. The rolling elements function in the following specific manner: when the elastic piece moves to a section with the same diameter as the sleeve body installation cavity 101, the elastic piece 4 is not compressed, and the elastic piece 4 has no centering force and does not generate a centering effect; when the elastic piece moves to a section with the diameter different from that of the sleeve body installation cavity 101, the elastic piece 4 is compressed, and then the elastic piece 4 has the tendency of restoring action, so that centering force is generated, and a centering action is realized.
Furthermore, based on the combination of the multi-section reducing structure, the centering device can act on the centering device in a segmented mode, and the centering action range of the blocking plate 2 can be adjusted by configuring the radian and the combination relation of each section.
Referring to fig. 3 and 4, in some embodiments of the present invention, there is further provided a combined action structure of the arc surface 201, wherein the arc surface 201 includes:
first arc segment 2011: taking the rotation center as a reference, and taking the rotation center as a section with different diameters from the sleeve body installation cavity 101; relative to the rotation center, the radius of the first arc-shaped section 2011 is smaller than the radius of the sleeve body installation cavity 101;
second arcuate segment 2012: in order to be connected to the first arc-shaped section, the section of the first arc-shaped section is connected to the same diameter as the rotation center, and the two sections of the first arc-shaped section 2011 are connected to the two side edges of the first arc-shaped section.
In some embodiments of the present invention, the arc surface 201 further comprises:
third arc segment 2013: taking the rotation center as a reference, and taking the rotation center as a section with the different diameter of the mounting cavity of the sleeve body; the radius of the third arc-shaped section is smaller than that of the sleeve body installation cavity relative to the rotation center; the third arcuate segment 2013 is connected to the second arcuate segment 2012, which in this embodiment includes two segments, and the two segments are respectively connected to two side edges of the second arcuate segment 2012, that is, the second arcuate segment 2012 is located between the first arcuate segment 2011 and the third arcuate segment 2013.
In some embodiments of the present invention, the arc surface 201 further comprises:
fourth arcuate segment 2014: the section which is the same diameter with the rotation center is connected with the third arc-shaped section 2013 and comprises two sections which are respectively connected with two side edges of the third arc-shaped section 2013, namely the third arc-shaped section 2013 is positioned between the second arc-shaped section 2012 and the fourth arc-shaped section 2014.
In the above implementation mechanism, the central point of the first arc-shaped section 2011 is located at the symmetric center of the length direction of the blocking plate 2, and the whole centering device has a radial symmetric structure. The first arced segment 2011, the second arced segment 2012, the third arced segment 2013, and the fourth arced segment 2014 are all located in the space of the sheath mounting hole 102.
The utility model discloses in some embodiments, combine the action that the coupling rotated the effect, further provide the angle configuration form of a specific segmental arc to the centre of gyration 106 of rolling member is the benchmark:
the central angle corresponding to the first arc-shaped section is 0-3 degrees;
the central angle corresponding to the second arc-shaped section is 3-4 degrees;
the central angle corresponding to the third arc-shaped section is 4-15 degrees;
the fourth arcuate segment 2014 corresponds to a central angle of less than 15.
The specific function of each arcuate segment is as follows. The first arc-shaped section 2011 is a circle that does not pass through the rotation center 106 and has a different diameter from the housing installation cavity 101, and is used for centering in a small range of 0 to 3 degrees even if the coupler is always kept at the center position. The second arc segment 2012 is a circle passing through the center of rotation 106 and having the same diameter as the housing mounting cavity 101, and the rolling member moves in this small range without causing a change in radius, so that there is no centering force, and this segment can keep the coupler in this position for small curve coupling. The third arc-shaped section 2013 does not pass through the rotation center 106 and a circle with the diameter different from that of the sleeve body installation cavity 101, the radius of the roller is rapidly reduced when the roller moves on the third arc-shaped section 2013, centering force is generated, and the coupler is forced to return. The fourth arc 2014 is a circle passing through the rotation center 106 and having the same diameter as the sleeve mounting cavity 101, so that the radius change is avoided, and the centering force is avoided. The boundary of the third arc-shaped section 2013 is the maximum centering boundary, and coupler damage caused by over-range rotation is guaranteed.
The utility model discloses some embodiments further provide a structure and the installation form of rolling member, centering device still includes:
and (6) shaft block: the two-shaft-block-structure-mounted elastic element comprises two blocks which are respectively mounted at two ends of a structure mounting cavity 301, one end of each block is arranged in the block structure mounting cavity 301, the other end of each block is positioned outside the block structure mounting cavity 301, a shaft block 6 can move relative to the block structure mounting cavity 301, an elastic element 4 is limited between the two shafts, and the position of the shaft block 6 relative to the block structure mounting cavity 301 can be adjusted by controlling the length of the elastic element 4, so that part of the shaft block can extend out of the block structure mounting cavity 301;
the rolling element is a roller 7 which is connected with one end of the shaft block 6 which is positioned outside the mounting cavity of the block structure through a shaft. The roller 7 comprises a wheel shaft 701 and a wheel body 702 arranged on the wheel shaft 701, wherein the rolling surface of the wheel body 702 is in contact with the blocking plate arc-shaped surface 201.
Specifically, two shaft blocks are defined as a first shaft block and a second shaft block, and are inserted into the installation cavity 301 through ports on two sides of the installation cavity 301. The part of the roller shaft extending out of the mounting cavity 301 is of a structure with two opposite bulges at intervals up and down, a shaft hole 601 is arranged, and the roller shaft 701 is inserted in the shaft hole 601.
The utility model discloses in some embodiments, axle piece 6 is located one end formation accent 602 of blocking structure installation cavity 301, and elastic component 4 is installed in accent 602, and this kind of structure can be better injects elastic component 4, avoids elastic component 4 to rock in installation cavity 301, guarantees to its stable compression. The elastic part 4 can be further sleeved on the guide rod 8, and the abnormal deformation of the elastic part 4 is avoided.
In order to ensure that the shaft block 6 can be smoothly inserted into the block structure mounting cavity 301, the outer diameter of the shaft block needs to be smaller than the inner diameter of the mounting cavity 301, which causes movement allowance between the shaft block and the mounting cavity and is easy to generate contact wear. To solve the above problem, some embodiments of the present invention further include:
and (3) wear sleeve 9: the abrasion-resistant shaft block structure comprises a plurality of abrasion-resistant shaft blocks which are arranged on the outer wall of the shaft block 6 at intervals and used for reducing direct abrasion between the shaft block 6 and the block structure installation cavity 301. The wearing sleeve 9 can be made of materials such as rubber and can be replaced after being damaged.
For the stable installation cooperation of solving between closure plate 2 and the cover body 1, the utility model discloses some embodiments further provide a cooperation mounting structure between the two. Referring to fig. 5, the case mounting hole 102 includes:
arc hole section: the rolling piece accommodating device is used for accommodating rolling pieces and comprises an upper arc-shaped section 1021 and a lower arc-shaped section 2022, and a non-closed structure is arranged between the upper arc-shaped section and the lower arc-shaped section;
a slot section: comprises a first side slot hole section 1023 and a second side slot hole section 1024, wherein the first side slot hole section 1023 connects the first side gaps of the upper arc-shaped section 1021 and the lower arc-shaped section 1022, and the second side slot hole section 1024 connects the second side gaps of the upper arc-shaped section 1021 and the lower arc-shaped section 1022;
the height of the slot hole section in the axial direction is greater than the width of the gap between the upper arc section 1021 and the lower arc section 1022.
The two ends of the arc surface of the blocking plate 2 form a protruding structure 202, which is respectively inserted into the first slot section 1023 and the second slot section 1024. The matched position of arc hole section and slot hole section forms a necking down structure relative to its both sides, can guarantee that closure plate 2 card is difficult for deviating from in the slot hole section.
Referring to fig. 6, in order to solve the problem of mounting the centering device to the coupler draft gear, a fixture block 302 is disposed on an end surface of the block structure facing to one side of the draft gear 5, and correspondingly, the draft gear 5 has a slot for receiving the fixture block 302, and the fixture block 302 is used for mounting and fixing with the draft gear.
The centering device is matched with the coupler buffer for use, different acting forces to the coupler can be generated in different swing ranges of the coupler, multi-section centering control can be achieved, the coupler can stop at a required place, and centering can be achieved at other places. The automatic coupler is applied to ensure that the coupler is kept at the central position and does not swing left and right in a disorderly way under the normal operation state. When the train needs to be connected and hung on a small curve but exceeds the connection and hanging range, the train is allowed to swing manually to swing at one or more small angles, and automatic connection and hanging are facilitated.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (11)
1. A centering device, which is used with a coupler buffer and is used for centering rotation of a coupler, is characterized by comprising:
covering a body: the sleeve body is provided with a sleeve body mounting cavity along the axial direction of the sleeve body, sleeve body mounting holes are symmetrically formed in the side wall of the sleeve body along the radial direction of the sleeve body, and the mounting holes are communicated with the mounting cavity;
blocking plate: the two parts are respectively arranged at the mounting hole of the sleeve body, and the end surface of one side of the sleeve body facing the mounting hole comprises an arc-shaped surface;
block structure: the block structure is arranged behind the sleeve body installation cavity, and the through ports at the two ends of the block structure installation cavity are aligned with the sleeve body installation hole;
rolling parts: the connecting device is arranged at the through holes at the two ends of the mounting cavity of the block structure and is contacted with the arc-shaped surface of the corresponding side blocking plate;
an elastic member: is arranged in the mounting cavity of the block structure;
the axial center of the sleeve body is the rotation center of the rolling piece; the closure plate arc surface is a multi-section reducing structure, the rotation center is used as a reference, the closure plate comprises a section with the same diameter as the sleeve body installation cavity and a section with the different diameter of the sleeve body installation cavity, the radius of the section with the different diameter is smaller than that of the sleeve body installation cavity, the two side closure plates limit the rolling part and the elastic part in the relative space of the arc surface, and the rolling part can compress the elastic part in the motion process of the arc surface.
2. The centering device of claim 1, wherein said arcuate surface comprises:
a first arc segment: is a section with different diameter from the mounting cavity of the sleeve body;
a second arc segment: is a section with the same diameter as the sleeve body installation cavity and comprises two sections which are respectively connected with the two side edges of the first arc-shaped section.
3. The centering device of claim 2, wherein said arcuate surface further comprises:
a third arc segment: the section with the different diameter of the sleeve body installation cavity comprises two sections which are respectively connected with the two side edges of the second arc-shaped section.
4. The centering device of claim 3, wherein said arcuate surface further comprises:
a fourth arc segment: is a section with the same diameter as the sleeve body installation cavity and comprises two sections which are respectively connected with the two side edges of the third arc-shaped section.
5. Centering device according to claim 3, characterized in that, with reference to the centre of rotation of the rolling elements:
the central angle corresponding to the first arc-shaped section is 0-3 degrees;
the central angle corresponding to the second arc-shaped section is 3-4 degrees;
the central angle that the third arc section corresponds is 4 ~ 15.
6. Centering device according to claim 4, characterized in that, with reference to the centre of rotation of the rolling elements:
the central angle corresponding to the first arc-shaped section is 0-3 degrees;
the central angle corresponding to the second arc-shaped section is 3-4 degrees;
the central angle that the third arc section corresponds is 4 ~ 15.
7. The centering device of any one of claims 2 to 6, wherein the center point of said first arcuate segment is located at the center of symmetry in the length direction of the closure plate.
8. The centering device of claim 1, further comprising:
a shaft block: the two elastic pieces are respectively arranged at two ends of the block structure mounting cavity, one end of each elastic piece is arranged in the block structure mounting cavity, the other end of each elastic piece is positioned outside the block structure mounting cavity, the shaft blocks can move relative to the block structure mounting cavity, and the elastic pieces are limited between the two shaft blocks;
the rolling piece is a roller and is connected with one end of the shaft block, which is positioned outside the mounting cavity of the block structure, through a shaft.
9. The centering device of claim 7, wherein an end of said shaft block located within the mounting cavity of the block structure forms a cavity, and said resilient member is located within the cavity.
10. The centering device of claim 1, wherein said case mounting hole comprises:
arc hole section: the device comprises an upper arc-shaped section and a lower arc-shaped section, wherein a non-closed structure is arranged between the upper arc-shaped section and the lower arc-shaped section;
a slot section: the first side slot hole section is connected with a first side gap of the upper arc-shaped section and the lower arc-shaped section, and the second side slot hole section is connected with a second side gap of the upper arc-shaped section and the lower arc-shaped section;
the height of the slot hole section along the axial direction is larger than the width of a gap between the upper arc section and the lower arc section;
the two ends of the arc-shaped surface of the blocking plate form a protruding structure which is respectively inserted into the first slot hole section and the second slot hole section.
11. The centering device as claimed in claim 1, wherein a latch is provided on an end surface of the block structure facing the bumper for mounting and fixing with the bumper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122634958.4U CN216424417U (en) | 2021-10-29 | 2021-10-29 | Centering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122634958.4U CN216424417U (en) | 2021-10-29 | 2021-10-29 | Centering device |
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| Publication Number | Publication Date |
|---|---|
| CN216424417U true CN216424417U (en) | 2022-05-03 |
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| CN202122634958.4U Active CN216424417U (en) | 2021-10-29 | 2021-10-29 | Centering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942540A (en) * | 2021-10-29 | 2022-01-18 | 青岛思锐科技有限公司 | Centering device |
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2021
- 2021-10-29 CN CN202122634958.4U patent/CN216424417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113942540A (en) * | 2021-10-29 | 2022-01-18 | 青岛思锐科技有限公司 | Centering device |
| CN113942540B (en) * | 2021-10-29 | 2022-12-09 | 中车制动系统有限公司 | Centering device |
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