CN218284237U

CN218284237U - Guiding and positioning structure, bottom support and operation machine

Info

Publication number: CN218284237U
Application number: CN202222390600.6U
Authority: CN
Inventors: 呙泰
Original assignee: Sany Electric Vehicle Technology Co Ltd
Current assignee: Sany Electric Vehicle Technology Co Ltd
Priority date: 2022-09-08
Filing date: 2022-09-08
Publication date: 2023-01-13
Anticipated expiration: 2032-09-08

Abstract

The utility model relates to an operation machinery technical field provides a guiding orientation structure, collet and operation machinery, and wherein, guiding orientation structure is used for realizing the direction to the battery box and with battery box and bracket location, include: the mounting seat is used for being connected with the bracket and is of an integrally formed casting structure; a through hole is formed in the middle of the mounting seat; the positioning pin is arranged in the through hole and in interference fit with the mounting seat, and the positioning pin and the positioning hole of the battery box are correspondingly arranged. The utility model provides a guiding and positioning structure, a bottom support and an operation machine, which are connected with a bracket through a mounting seat, wherein the middle part of the mounting seat is provided with a through hole; the positioning pin is in interference fit with the mounting seat and is positioned and arranged in the through hole, so that the dimensional deviation and welding deformation of a welding structure are avoided, and the positioning accuracy is improved through interference fit; the locating pin corresponds the setting with the locating hole of battery box to realize being connected of battery box and bracket.

Description

Guiding and positioning structure, bottom support and operation machine

Technical Field

The utility model relates to an operation machinery technical field especially relates to a guiding orientation structure, collet and operation machinery.

Background

With the application development of the diversification of the operating machinery, the structure of the operating machinery tends to develop in aspects of refinement, humanization, convenience in operation and maintenance and the like. For example, heavy trucks are being used as an example, new energy sources are becoming increasingly popular among users.

A power supply system for a work machine powered by new energy typically includes a battery box and a bracket structure, the battery box being secured to the bracket structure and being used to supply power to electrical components in the vehicle. When the electric quantity of the battery box is insufficient and even the battery box is insufficient, the battery box needs to be replaced so as to meet the power consumption requirement of the operation machinery. When changing the battery box, in order to improve the change efficiency of battery box, need set up the direction location structure on the bracket structure usually, the direction location structure includes mount pad and locating pin usually, and the mount pad is fixed to be set up on the bracket structure, and the locating pin cooperates with the locating hole of battery box, realizes battery box and bracket structure's direction and cooperation location jointly.

However, in the prior art, the mounting seat for mounting the positioning pin mostly adopts a tailor-welded structure of sectional materials and plates, the manufacturing size is large, so that the positioning pin and the mounting seat are in clearance fit, the positioning pin and the mounting seat are fixed by welding, welding deformation is easy to occur in the positioning process of the battery box, and the positioning accuracy is poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a guiding orientation structure, collet and operation machinery for the poor defect of positioning accuracy when battery box and bracket are fixed among the solution prior art realizes improving the positioning accuracy of battery box and bracket.

The utility model provides a guiding orientation structure for the realization is to the direction of battery box and with battery box and bracket location, include:

the mounting seat is used for being connected with the bracket, and a through hole is formed in the middle of the mounting seat; the mounting seat is of an integrally formed casting structure;

the locating pin, set up in the inside of through-hole, the locating pin with mount pad interference fit, just the locating pin with the locating hole of battery box corresponds the setting.

According to the utility model provides a pair of guiding orientation structure, still be provided with a plurality of lightening holes on the mount pad, it is a plurality of the lightening hole evenly distributed in the periphery of through-hole.

According to the utility model provides a pair of guiding orientation structure, the lightening hole includes first blind hole and second blind hole, just first blind hole with second blind hole symmetric distribution in the top and the bottom of mount pad.

According to the utility model provides a pair of guiding orientation structure, first blind hole with the hole depth of second blind hole is the same.

According to the utility model provides a pair of guiding orientation structure, the locating pin includes locating pin body and guide part, the locating pin body set up in the inside of through-hole, the guide part set up in the locating pin body is kept away from the one end of mount pad.

According to the utility model provides a pair of guiding orientation structure, the locating pin body with guide part integrated into one piece.

According to the utility model provides a pair of guiding orientation structure, the guide part includes first round platform and second round platform, the one end of first round platform with this body coupling of locating pin, the other end of first round platform is connected the second round platform.

The utility model also provides a collet, include:

the bracket is used for bearing the battery box;

the guide positioning structure is used for fixing the battery box on the bracket.

The utility model also provides an operation machine, include as above guiding orientation structure, or as above the collet.

The guiding and positioning structure provided by the utility model is connected with the bracket through the mounting seat, and the middle part of the mounting seat is provided with a through hole; the positioning pin is in interference fit with the mounting seat, and the mounting seat is integrally cast, so that the welding stress is reduced; the positioning pin is positioned and arranged in the through hole, so that compared with the prior art that the positioning pin is welded with the mounting seat, the size deviation and welding deformation of a welding structure are avoided, and the positioning precision is improved through interference fit; the locating pin corresponds the setting with the locating hole of battery box, and the locating pin has not only realized the direction to the battery box, has still realized the connection location of battery box and bracket.

Furthermore, the utility model provides a collet, owing to include the direction location structure as above, consequently possess various advantages as above.

Further, the present invention provides a working machine including the guide positioning structure described above, which has various advantages as described above.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a guiding and positioning structure provided by the present invention;

fig. 2 is a schematic structural diagram of the shoe provided by the present invention;

reference numerals:

10. a bracket;

20. a guiding and positioning structure; 21. a mounting seat; 211. a through hole; 212. lightening holes; 22. positioning pins; 221. a locating pin body; 222. a guide portion; 2221. a first circular table; 2222. a second circular truncated cone.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The guiding and positioning structure and the bottom bracket of the present invention will be described with reference to fig. 1 to 2.

As shown in fig. 1, the utility model provides a guiding and positioning structure 20 for guiding a battery box and positioning the battery box and a bracket 10, the guiding and positioning structure 20 includes a mounting seat 21 and a positioning pin 22, the mounting seat 21 is used for being fixedly connected with the bracket 10, that is, the mounting seat 21 and the bracket 10 are fixed as a whole, and a through hole 211 for installing the positioning pin 22 is provided in the middle of the mounting seat 21; the mounting seat body 21 is of an integrally formed casting structure; locating pin 22 sets up in the inside of through-hole 211, and the external diameter of locating pin 22 sets up to be a bit bigger than the internal diameter of through-hole 211 to can realize locating pin 22 and mount pad 21 interference fit, and locating pin 22 corresponds the setting with the locating hole of battery box, with the location that can realize locating pin 22 and battery box.

The guiding and positioning structure 20 provided by the utility model is connected with the bracket 10 through the mounting seat 21, and the middle part of the mounting seat 21 is provided with a through hole 211; the mounting seat 21 adopts an integrally formed casting structure, so that welding stress can be reduced; the positioning pin 22 is in interference fit with the mounting seat 21 and is positioned and arranged in the through hole 211, and compared with the welding of the mounting seat 21 and the positioning pin 22 in the prior art, the positioning pin 22 and the mounting seat 21 of the present invention adopt an interference fit connection structure, thereby avoiding the dimensional deviation and welding deformation of the welding structure and improving the positioning accuracy through interference fit; the positioning pins 22 are disposed corresponding to the positioning holes of the battery box, so that the battery box and the bracket 10 are connected.

The mounting seat 21 is of an integrally formed casting structure, manufacturing size deviation is small, and the mounting matching surface of the mounting seat 21 is machined.

The embodiment of the utility model provides an in, still be provided with a plurality of lightening holes 212 on the mount pad 21, a plurality of lightening holes 212 evenly distributed is in the periphery of through-hole 211, and the setting of lightening hole 212 not only can realize losing weight to mount pad 21 to alleviate the weight of whole mount pad 21, but also can material saving cost.

In an embodiment of the present invention, the lightening holes 212 may include a first blind hole and a second blind hole, and the first blind hole and the second blind hole are symmetrically distributed at the top and the bottom of the mounting seat 21. That is, one or more first blind holes are disposed at the top of the mounting base 21, one or more second blind holes are disposed at the bottom of the mounting base, and the first blind holes and the second blind holes may be in one-to-one correspondence or may be disposed at random, which is not limited herein. When first blind hole and second blind hole one-to-one correspond, a baffle of sharing between first blind hole and the second blind hole that corresponds, the setting of a shared baffle can enough guarantee the stability of structure, can reduce material cost again.

In order to ensure structural stability, when the first blind hole and the second blind hole are provided in plural, the distance between adjacent first blind holes and the distance between adjacent second blind holes cannot be too close, and usually, a space of at least 15mm is required to ensure sufficient strength of the mount 21.

The utility model discloses an in the embodiment, the hole depth of first blind hole and second blind hole is the same, and the structure symmetry facilitates the processing, moreover, in the installation of mount pad 21, need not to differentiate top and bottom, has saved the installation time of mount pad 21.

Specifically, the embodiment of the utility model provides an in, mount pad 21's shape does not do specifically and restricts, can select to set for by oneself as required, and mount pad 21's frame can be the cuboid, also can be the square, still can be for the cylinder.

In an embodiment of the present invention, the mounting base 21 has a square structure, and the intersection of the adjacent sides is provided with a fillet structure. The fillet structure can effectively remove processing residual burrs and ensure processing precision and performance, and can play a safety role, and acute angles can be prevented from scratching personnel and other parts by chamfering edges of the parts; in addition, the fillet structure can improve the stress concentration condition of the part, and if the fillet structure is not used, the surface of the part can be damaged during quenching treatment and impact load bearing.

In another embodiment of the present invention, the mounting base 21 may also be a cylindrical structure, and the lightening hole 212 is an arc-shaped hole, that is, the arc-shaped hole is located between the through hole 211 and the outer edge of the mounting base 21. Similarly, the arc-shaped holes can be blind holes and can be through holes.

Of course, the mounting seat 21 may have other shape structures, such as a pentagonal prism, a hexagonal prism, and the like, and when the mounting seat 21 is a pentagonal prism or a hexagonal prism, the shape of the lightening hole 212 may be set arbitrarily according to requirements.

In an embodiment of the present invention, the positioning pin 22 includes a positioning pin body 221 and a guide portion 222. The guiding portion 222 can be understood as a circular truncated cone structure or a conical structure, which facilitates the alignment and guiding of the positioning pin 22 with the positioning hole of the battery box for positioning. When the guide portion 222 adopts a circular truncated cone structure, it may include a first circular truncated cone 2221 and a second circular truncated cone 2222, one end of the first circular truncated cone 2221 is connected with the positioning pin body 221, the second circular truncated cone 2222 is disposed at the other end of the first circular truncated cone 2221, that is, the lower bottom surface of the second circular truncated cone 2222 is attached to the upper bottom surface of the first circular truncated cone 2221, the upper surface of the second circular truncated cone 2222 has a smaller diameter, and when the second circular truncated cone 2222 is aligned with the positioning hole of the battery box, the second circular truncated cone 2222 can play a better guiding role.

To sum up, the utility model provides a guiding and positioning structure 20, guiding and positioning structure 20 are used for realizing the direction of battery box and fix a position battery box and bracket 10, guiding and positioning structure 20 includes mount pad 21 and locating pin 22, mount pad 21 is used for being connected with bracket 10 is fixed, namely, mount pad 21 and bracket 10 are fixed as a whole, the middle part of mount pad 21 is provided with through-hole 211 for installing locating pin 22; locating pin 22 sets up in the inside of through-hole 211, and locating pin 22's external diameter sets up to be a bit more than the internal diameter of through-hole 211 to can realize locating

22 and 21 interference fit of mount pad, the interference fit sound construction improves positioning accuracy and guarantees perpendicular direction. And the positioning pin 22 is arranged corresponding to the positioning hole of the battery box, so that the positioning of the positioning pin 22 and the battery box can be realized. The periphery of the through hole 211 on the mounting seat 21 is further provided with lightening holes 212, so that the weight of the mounting seat 21 can be reduced and the material cost can be reduced on the premise of ensuring the structural strength. The mounting matching surface of the mounting seat 21 is machined, and the machining process is simple.

The collet that the utility model provides a is described down, but the collet of following description and the guiding orientation structure of the aforesaid description each other correspond and refer to.

As shown in fig. 2, another aspect of the present invention further provides a shoe, including: a bracket 10 and a plurality of guiding and positioning structures 20 as described above, wherein the bracket 10 is used for carrying a battery box; the guiding and positioning structure 20 is used for fixing the battery box on the bracket 10 and distributing the battery box on the bracket 10; the mounting seat 21 is fixedly connected with the bracket 10, and can be fixed by welding or by fasteners such as bolts, nuts or screws; the battery box is provided with positioning holes, the positioning pins 22 are arranged in one-to-one correspondence with the positioning holes, and the positioning pins 22 are inserted into the positioning holes in one-to-one correspondence, so that the battery box and the bracket 10 are fixedly positioned. In the whole positioning process, the mounting seat 21 and the positioning pin 22 are in interference fit, so that welding deformation caused by welding is avoided, and the positioning accuracy is improved.

The utility model provides a collet, because including the direction location structure as above, mount pad 21 and locating pin 22 interference fit replace the clearance fit and welded connected mode among the prior art, improved the positioning accuracy of battery box; moreover, the mounting seat 21 is integrally cast, so that welding stress is reduced; the lightening holes 212 on the mounting base 21 can lighten the whole mass of the mounting base 21 and reduce the material cost.

The following is the utility model provides an operation machinery describes, but the operation machinery of following description and the guiding orientation mechanism and the collet mutual correspondence of the above-mentioned description refer to.

Another aspect of the present invention further provides a working machine, including the guiding and positioning structure 20 as described above, or the bottom bracket as described above.

The utility model provides an in the embodiment of operation machinery, can be the heavy truck of new forms of energy.

The utility model provides an in the embodiment of the operation machinery, can be new forms of energy hoist.

The utility model provides an in the embodiment of the operation machinery, can be new forms of energy excavator.

The utility model provides an in the embodiment of the operation machinery, can be new forms of energy stake machine.

The utility model provides a working machine, because include the above-mentioned guiding orientation structure 20, mount pad 21 and locating pin 22 interference fit, replace the clearance fit and welded connected mode among the prior art, improved the positioning accuracy of battery box; moreover, the mounting seat 21 is integrally cast, so that welding stress is reduced; the lightening holes 212 on the mounting base 21 can lighten the whole mass of the mounting base 21 and reduce the material cost.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "a manner," "a particular manner," or "some manner" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or manner is included in at least one embodiment or manner of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or mode. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or modes. Furthermore, various embodiments or modes described in this specification, as well as features of various embodiments or modes, may be combined and combined by those skilled in the art without contradiction.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A guiding and positioning structure for guiding a battery box and positioning the battery box and a bracket is characterized by comprising:

2. The guiding and positioning structure of claim 1, wherein a plurality of lightening holes are further formed in the mounting seat, and the plurality of lightening holes are uniformly distributed on the periphery of the through hole.

3. The guiding and positioning structure of claim 2, wherein the lightening holes comprise a first blind hole and a second blind hole, and the first blind hole and the second blind hole are symmetrically distributed at the top and the bottom of the mounting seat.

4. The guide positioning structure of claim 3, wherein the first blind hole and the second blind hole have the same hole depth.

5. The guide positioning structure according to claim 1, wherein the positioning pin includes a positioning pin body and a guide portion, the positioning pin body being disposed inside the through hole; the guide part is arranged at one end, far away from the mounting seat, of the positioning pin body.

6. The guide positioning structure according to claim 5, wherein the positioning pin body and the guide portion are integrally molded.

7. The guiding and positioning structure of claim 5, wherein the guiding portion comprises a first circular table and a second circular table, one end of the first circular table is connected with the positioning pin body, and the other end of the first circular table is connected with the second circular table.

8. A shoe, comprising:

the bracket is used for bearing the battery box;

the guide positioning structure as set forth in any one of claims 1 to 7, wherein the guide positioning structure is used for fixing the battery box to the bracket.

9. A work machine comprising a guide and positioning structure as claimed in any one of claims 1 to 7, or a shoe as claimed in claim 8.