CN210255826U

CN210255826U - Hemispherical centering device

Info

Publication number: CN210255826U
Application number: CN201920925290.9U
Authority: CN
Inventors: 陈永祥; 张丽梅; 安伟; 刘建新; 姜建召; 林莉; 刘欢; 李伟; 房顺利
Original assignee: Baotou Beifang Chuangye Co Ltd
Current assignee: Baotou Beifang Chuangye Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-07
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a hemisphere heart dish centring means, include: the center plate cover comprises a cover plate and a hemispherical joint block arranged below the cover plate, a central origin is formed on the upper surface of the cover plate, and a spherical surface is arranged on the lower side of the hemispherical joint block; and a guide post vertically disposed on the tool base, and a core plate cover detachably connected to a top of the guide post, wherein, when a hemispherical core plate of a vehicle bogie is mounted to the core plate cover, a spherical surface of the hemispherical joint block is closely fitted with an upper spherical surface of the hemispherical core plate, while a lower surface of the cover plate is closely fitted with an upper edge of the core plate, so that a spatial center point of the hemispherical core plate coincides with a center origin of an upper surface of the core plate cover. The utility model discloses a hemisphere heart dish centring means can change the space central point of heart dish on the last plane entity of heart dish lid to realize confirming the central point fast, accurately, for the equipment of bogie framework, detect and provide positioning center and benchmark.

Description

Hemispherical centering device

Technical Field

The utility model relates to a railway welding framework formula bogie equipment technical field specifically relates to a hemisphere heart dish centring means for when railway welding framework formula bogie equipment the hemisphere heart dish is centred.

Background

The railway vehicle semispherical center plate is a key part for connecting a bogie and a vehicle body and is used for bearing and transmitting vehicle traction. During the manufacture of the bogie, the geometric center of the center plate of the bogie must be coincident with the geometric center of the bogie frame. The transverse and longitudinal dimensions of the bogie assembly are centrosymmetric about the center point of the center plate, and the diagonal line passes through the center of the center plate. The center of the hemispherical center plate is a spatial point and is not on the same plane with the bogie frame, so that the center of the center plate is difficult to find when the bogie is assembled, the size and the spatial position which are related to the center of the center plate are difficult to locate, and the assembly of the bogie is inconvenient.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model provides a hemisphere heart dish centring means, it can realize the quick, the accurate positioning at hemisphere heart dish center, with the conversion of the space central point of hemisphere heart dish on centring means's solid plane, for the equipment of bogie framework, detect and provide positioning center and benchmark, the actual utilization of the positioning reference of being convenient for.

The utility model discloses a hemisphere heart dish centring means includes:

the center plate cover comprises a cover plate and a hemispherical joint block arranged below the cover plate, a central origin point is formed on the upper surface of the cover plate, and a spherical surface is arranged on the lower side of the hemispherical joint block and can be tightly matched with the upper spherical surface of a hemispherical center plate of a vehicle bogie to be installed; and

a guide post which is vertically provided on the tooling base and to the top of which the platen cover is detachably attached,

wherein when a hemispherical core is mounted to the core cap, the spherical surface of the hemispherical joint block mates with the upper spherical surface of the hemispherical core while the lower surface of the cover plate mates with the upper edge of the core such that the spatial center point of the hemispherical core coincides with the center origin of the upper surface of the core cap.

Because be installed at hemisphere heart dish during the centring means of the utility model, the space central point of heart dish can be covered by corresponding to the heart dish actual center original point, consequently, the operation personnel can confirm the space center of heart dish fast to can utilize the actual center original point that the heart dish was covered as the benchmark to fix a position and assemble other parts of bogie.

According to the utility model discloses a hemisphere heart dish centring means, preferably, with the upper surface of heart dish lid the center original point is the center, the apron is provided with four hookup holes symmetrically, and wherein, with four hookup holes are provided with four guide posts correspondingly, in order to incite somebody to action the heart dish lid is connected to the top of guide post. Through set up hookup hole and guide post with central symmetry's mode, can ensure the utility model discloses a hemisphere heart dish centring means is fixed a position accurately to ensure that the position of heart dish is fixed a position accurately.

According to the utility model discloses a hemisphere heart plate centring means, preferably, be provided with the uide bushing in the coupling hole further fixedly, and the top of guide post is installed the uide bushing. By providing the guide sleeve, high-precision coupling between the guide post and the heart disk cover can be ensured, and the heart disk cover can be prevented from being damaged in repeated mounting and dismounting processes. Therefore, it is also preferable that the guide sleeve is formed of a wear-resistant material.

According to the utility model discloses a hemisphere heart dish centring means, preferably, the uide bushing has the through-hole, the top of guide post is connected to with surface-fitting mode the uide bushing. By coupling the through-hole to the guide sleeve in a surface-fitting manner, mounting and dismounting between the hub cap and the guide sleeve can be simplified.

According to the utility model discloses a hemisphere heart dish centring means, preferably, lock nut by threaded connection to the top of guide post, thereby will the uide bushing is fixed on the guide post. The lock nut can prevent the hub cap and the guide bush attached to the guide post from deviating from their positions due to external impact or the like, thereby affecting the assembly accuracy of the bogie.

According to the present invention, it is preferable that the cover plate and the hemispherical joint block are integrally formed, and a coupling member is fixedly provided at a lower portion of the hemispherical joint block for connecting the core to the core cover. Preferably, the coupling comprises a stud and a connecting nut. Because apron and hemisphere joint piece integrated into one piece, can ensure the dimensional accuracy of heart dish lid, avoid heart dish lid and heart dish can not laminate completely. At the same time, the hub is connected to the hub cap by means of a coupling, so that a tight fit between them can be ensured.

According to the present invention, the lower side of the hemispherical joint block is preferably formed with a spherical surface. Such an arrangement is advantageous in preventing the spherical surface of the hemispherical joint block from interfering with the core plate, while ensuring accurate positioning of the core plate.

According to the utility model discloses a hemisphere heart dish centring means, preferably, the bottom of guide post is screwed to the frock base. Because the guide post is detachably connected to the tool base, according to actual needs, an operator can select and replace the guide posts with different lengths, so that different assembling requirements are met.

According to the utility model discloses a hemisphere heart dish centring means, preferably, the inside of frock base is provided with adjustment mechanism, the bottom of guide post is installed fixedly adjustment mechanism, thereby allows through adjustment mechanism removes along vertical direction the guide post. Therefore, different working conditions can be realized under the condition that guide columns with different specifications do not need to be replaced.

The utility model discloses a hemisphere heart dish centring means can regard as the benchmark with the space central point conversion of the heart dish of vehicle bogie on the upper plane entity of heart dish lid to realize quick, accurate definite central point, for the equipment of bogie framework, detect and provide positioning center and benchmark, and then the operation personnel of being convenient for assemble the heart dish body. Furthermore, the utility model discloses a hemisphere heart dish centring means can change distance between heart dish lid and the frock base through setting up adjustment mechanism, and the operating personnel of being convenient for adjust distance between heart dish and the frock base as required. And simultaneously, the utility model discloses a hemisphere heart dish centring means simple structure, the operation of being convenient for to used material and technology low price are favorable to controlling the process flow cost.

Drawings

FIG. 1 is a schematic side view of a hemispherical centering device of example 1;

FIG. 2 is a schematic top view of the hemispherical core centering device of example 1;

FIG. 3 is a side view of the core plate cover of the hemispherical core plate centering device of example 1;

FIG. 4 is a side view of the hemispherical core centering device of example 2;

fig. 5 is a top view of the hemispherical core centering device of example 2.

The reference numerals are explained below:

the tool comprises a 1-core disk cover, a 101 cover plate, a 102-hemispherical joint block, a 103 connecting piece, a 104 connecting nut, a 2-guide column, a 3-guide sleeve, a 4-locking nut, a 5-tool base, a 6-adjusting hole, a 7-adjusting mechanism, a 701 bottom plate, a 702 threaded sleeve, a 703-adjusting stud, a 704-rotating block, an 8-fixing plate, a 9-connecting hole, 10 air holes, 11-core disks, 12-limiting rings, 13-backing rings and 14-dust-proof nets.

Detailed Description

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. Before the description, it should be understood that the terms used in the present specification and the appended claims should not be construed as limited to general and dictionary meanings, but interpreted based on the meanings and concepts corresponding to technical aspects of the present invention on the basis of the principle that the terms are appropriately defined to allow the best explanation.

Further, the description proposed herein is just a preferable example for the purpose of illustrations only, not intended to limit the scope of the disclosure, so it should be understood that other equivalents and modifications may be made thereto without departing from the spirit and scope of the invention at the time of filing this application.

Example 1

Fig. 1 is the side view schematic diagram of the hemispherical centring device of the present invention, and fig. 2 is the top view schematic diagram of the hemispherical centring device of the present invention.

As shown in fig. 1, the hemispherical centering device of the present invention comprises a center plate cover 1, a guide post 2, a guide sleeve 3, a locking nut 4 and a tooling base 5. The hub cap 1 is mounted to the upper portion of the guide post 2 through a guide sleeve 3 and a lock nut 4. The guide post 2 is disposed upright on the tooling base 5, and its lower portion is fixedly connected to the tooling base 5. When the center plate 11 is positioned at the center plate cover 1, the hemispherical center plate centering device of the present invention can position the center of space of the center plate 11 at the center origin O (shown in fig. 2) of the upper surface of the center plate cover 1, thereby providing a center reference for assembling and detecting the bogie.

Hereinafter, the structure of each component of the hemispherical centering device of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 and 3, the heart plate cover 1 includes a cover plate 101, a hemispherical joint block 102, and a coupling 103. The cover plate 101 has a substantially rectangular shape, and four coupling holes are formed at four corners thereof for coupling to the guide posts 2 and the guide sleeves 3. The four coupling holes are symmetrically arranged with respect to the center origin O of the upper surface of the center plate cover 1. The lower portion of the cap plate 101 is provided with a hemispherical joint block 102, and the hemispherical joint block 102 may be formed integrally with the cap plate 101 or integrated by assembly. The underside of the hemispherical joint block 102 is provided with a spherical surface which corresponds to the upper spherical surface of the core plate 11. Therefore, when the core plate 11 is fitted to the spherical surface of the hemispherical joint block 102 from below, the spherical surface can be fitted with the upper spherical surface of the core plate 11, while the upper edge of the core plate 11 can be brought into full contact with the lower surface of the lid plate 101.

Specifically, the spherical surface of the hemispherical joint block 102 is formed only on a part of the lower side, as shown in fig. 3. That is, a spherical surface is not formed at a portion of the hemispherical joint block 102 close to the cap plate 101, and a spherical surface is not formed at a central portion of a lower side of the hemispherical joint block 102. Such an arrangement is advantageous in preventing the spherical surface of the hemispherical joint block 102 from interfering with the core plate 11, while ensuring accurate positioning of the core plate 11.

With further reference to fig. 3, a coupling 103 is provided at the lower part of the hemispherical joint block 102 for fastening the heart plate 11 to the heart plate cover 1. Although it is shown in fig. 3 that the coupling 103 is connected to the lower portion of the hemispherical joint block 102 in the form of a stud, the form of the coupling 103 is not limited thereto. For example, the coupling 103 may be integrally formed at a lower portion of the hemispherical joint block 102. Further, a screw thread is provided on the coupling 103 so as to be engageable with the connection nut 104 to fix the heart plate 11.

Referring to fig. 1 and 2, four coupling holes of the heart plate cover 1 are fixedly provided with guide sleeves 3, respectively. The guide sleeve 3 is fixedly connected to the coupling hole of the heart plate cover 1 by interference fit. That is, the guide housing 3 is generally fixedly attached to the hub cap 1, and need not be separately provided. A through hole is formed in the guide sleeve 3 to detachably engage with a mating portion of the top of the guide post 2. In use, when the core 11 is fixed to the core cover 11, the positioning of the core cover 1 and the core 11 can be achieved by the through holes of the four guide sleeves 3 being engaged to the four guide posts 2. In addition, the guide sleeve 3 is preferably formed of a wear-resistant material, so that it is possible to prevent the fitting accuracy between the guide sleeve 3 and the guide post 2 from being affected during repeated removal and installation, which is advantageous for ensuring the centering accuracy of the core plate.

Further, a lock nut 4 is screwed to the top of the guide post 2, thereby fixing the guide bush 3 (and the hub cover 11) to the guide post 2. Preferably, each lock nut 4 may be integrally provided with a rotation lever (e.g., a lever protruding outward in fig. 2) for easy mounting and dismounting of the hub cover 1.

With further reference to fig. 1, the lower portion of each guide post 2 is provided with a threaded connection end, so that the guide posts 2 are fixedly connected to the tooling base 5 by nuts and washers. According to actual needs, the operator can select and replace the guide posts 2 with different lengths, so that different assembly requirements can be met.

Use the utility model discloses a hemisphere heart dish centring means when realizing the heart dish centering, will fall heart dish lid 1 earlier and put in hemisphere heart dish 11 for the sphere of heart dish lid 1 and the interior cambered surface laminating of heart dish 11, the lower surface of heart dish lid 1 and the top edge laminating of heart dish 11 simultaneously. Then, the heart plate cover 1 is assembled integrally with the heart plate 11 by the coupling nut 104. The four guide sleeves 3 are sleeved on the four guide columns 2, then the heart disk cover 1 and the heart disk 11 are integrally assembled on the four guide columns 2 through the locking nuts 4, and the combination body of the heart disk cover 1 and the heart disk 11 is connected with the tooling base 5. Therefore, the space central point of the hemispherical core plate 11 is converted on the central origin O of the upper surface of the core plate cover 1, the center point of the hemispherical core plate is quickly and accurately determined, a positioning center and a reference are provided for assembling and detecting a bogie framework, the actual utilization of the positioning reference is facilitated, and the problem that the space central point of the hemispherical core plate cannot be accurately utilized as an assembling reference during the assembling of the bogie framework is solved.

Example 2

FIG. 4 is a side view of a hemispherical centering device; fig. 5 is a top view of a hemispherical centering device. For the sake of clarity, in embodiment 2, the same reference numerals are used to designate the same technical components as in embodiment 1, and the description of the same or similar parts as in embodiment 1 will be omitted.

The main difference of embodiment 2 compared to embodiment 1 is the adjustment mechanism 7. As shown in fig. 4, the adjustment mechanism 7 is provided in the adjustment hole 6 inside the tooling base 5. The top of the adjusting mechanism 7 is fixedly connected with a fixing plate 8 through a bearing, and the surface of the fixing plate 8 is in sliding connection with the inner wall of the adjusting hole 6, so that the adjusting hole 6 plays a role in guiding the fixing plate 8. The upper surface of the fixed plate 8 is provided with a connecting hole 9, and the bottom of the guide post 2 is in threaded connection with the connecting hole 9. Here, the backing ring 13 is located between the bottom of the guide post 2 and the fixed plate 8. The upper surface of the fixing plate 8 is also provided with air holes 10, so that air inside and outside the adjusting holes 6 circulates through the air holes 10.

Specifically, the adjustment mechanism 7 includes: the bottom plate 701, the surface of the bottom plate 701 is fixedly connected with the inner wall of the adjusting hole 6; a screw boss 702, the screw boss 702 being fixedly coupled to an inner wall of the base plate 701 and having an inner wall screw thread; and an adjusting stud 703, wherein the adjusting stud 703 is adjustably connected to the inner wall thread of the threaded sleeve 702, and the top of the adjusting stud 703 is connected with the inner wall of the fixing plate 8 through a bearing. By rotating the adjusting stud 703, the fixing plate 8 is moved up and down by the screw bushing 702. A rotating block 704 is fixedly connected to an upper surface of the adjusting stud 703 so as to be rotatable together with the adjusting stud 703 without interfering with the fixing plate 8. Further, the upper surface of the tooling base 5 is fixedly connected with a limiting ring 12, and the limiting ring 12 is located above the fixing plate 8, so that the limiting ring 12 can limit the fixing plate 8, and the fixing plate 8 is always located inside the adjusting hole 6. A dust screen 14 is fixedly connected above the fixing plate 8, and the dust screen 14 is positioned above the air hole 10, so that dust is prevented from entering the adjusting hole 6 through the air hole 10.

Use the utility model discloses a during hemisphere heart dish centring means of embodiment 2, staff's accessible rotates commentaries on classics piece 704, adjusts distance between heart dish body 11 and the frock base 5. Therefore, different working conditions can be realized under the condition that guide columns with different specifications do not need to be replaced.

The present invention is not limited to the above-described embodiments, and any variations, modifications, and substitutions which may occur to those skilled in the art may be made without departing from the spirit of the invention.

Claims

1. A hemispherical disk centering device, comprising:

2. A hemispherical core centering device according to claim 1, wherein said cover plate is symmetrically provided with four coupling holes centering on said center origin of the upper surface of said core cover, and

wherein four guide posts are provided corresponding to the four coupling holes to connect the core plate cover to tops of the guide posts.

3. A hemispherical core disc centering device according to claim 2, wherein a guide sleeve is further fixedly disposed in said coupling hole, and the top of said guide post is mounted to said guide sleeve.

4. A hemispherical centring device for a hemispherical centring disk as claimed in claim 3 wherein the guide sleeve has a through hole and the top of the guide post is connected to the guide sleeve in a surface fitting manner.

5. A hemispherical centring device as claimed in claim 4 wherein a lock nut is threaded onto the top of the guide post to secure the guide sleeve to the guide post.

6. A hemispherical core centring device as claimed in any one of claims 1 to 5 wherein the cover plate and the hemispherical joint block are integrally formed and a coupling is fixedly provided at the lower part of the hemispherical joint block for connecting a hemispherical core to the core cap.

7. A hemispherical centring device as claimed in claim 6 wherein the coupling comprises a stud and a connecting nut.

8. A hemispherical centring device as claimed in any one of claims 1 to 5 wherein the spherical surface of the hemispherical joint block is formed on only a portion of the underside.

9. A hemispherical centring device as claimed in any one of claims 1 to 5 wherein the base of the guide post is threadedly attached to the tooling base.

10. A hemispherical centring device as claimed in any one of claims 1 to 5 wherein the interior of the tooling base is provided with an adjustment mechanism to which the base of the guide post is fixedly mounted to allow the guide post to be moved in a vertical direction by the adjustment mechanism.