CN207792589U - Lifting mechanism and battery replacing trolley - Google Patents

Abstract

The utility model relates to an elevating system and trade electric dolly, include: the lifting part is used for supporting the lifted object to lift; the movable part is used for driving the lifting part to lift, and the moving direction of the movable part and the lifting direction of the lifting part form a certain included angle; and a driving part for providing driving for the movement of the movable part; the lifting part is provided with a first guide piece, the movable part is provided with a second guide piece, and the lifting part is supported on the second guide piece through the first guide piece and further supported on the movable part; at least one of the first guide piece and the second guide piece is provided with an inclined surface, and the inclined surface is used as a supporting part for mutual supporting between the second guide piece and the first guide piece in the lifting process. Utilize the utility model discloses an elevating system can reduce elevating system overall height, stabilizes the lift, and at lift in-process lifting plane keep the level to be convenient for improve the lifting accuracy.

Description

Lifting mechanism and battery replacement trolley

technical field

The utility model relates to an elevating mechanism, in particular to an elevating mechanism for a battery-exchanging trolley and a battery-exchanging trolley.

Background technique

In the process of battery replacement for electric vehicles, it is necessary to use the battery replacement trolley to transport the battery pack, and use the tightening mechanism carried by the battery replacement trolley to load and unload the battery pack. For this reason, the battery exchange trolley can be provided with a lifting mechanism, and the tightening mechanism can be raised and lowered by using the lifting mechanism, so as to realize loading, unloading and replacement of the battery pack. Existing motor-driven lifting mechanisms such as scissor-fork lifting platforms, suspension lifting mechanisms, or jack-type lifting mechanisms all have many disadvantages such as occupying a large height space, low control precision, and poor stability.

Utility model content

The purpose of this utility model is to overcome the defects of the existing lifting mechanism and provide a new type of structure of the lifting mechanism and battery replacement trolley. The technical problem to be solved is to provide a low overall height, stable lifting, and A lifting mechanism that keeps the lifting platform level during the lifting process.

The purpose of this utility model and the solution to its technical problems are achieved by adopting the following technical solutions. According to the lifting mechanism proposed by the utility model, it includes: a lifting part, which is used to support the object to be lifted and lowered; has a certain included angle; and a driving part for driving the movement of the movable part; the lifting part is provided with a first guide, and the movable part is provided with a second guide, and the lifting part passes through the The first guide is supported on the second guide, and further supported on the movable part; at least one of the first guide and the second guide has a slope, and during the lifting process, the The inclined surface is used as a support position between the second guide member and the first guide member to support each other.

The purpose of the utility model and the solution to its technical problems can also be further realized by adopting the following technical measures.

In the aforementioned lifting mechanism, one of the first guide and the second guide is a wedge block, and the other is a first roller.

The aforementioned lifting mechanism, wherein the driving part includes: a motor, a lead screw driven by the motor, and a lead screw nut sleeved on the lead screw, and the movable part is fixed to the lead screw nut for driving The movable part moves in the longitudinal direction of the lead screw.

The aforementioned lifting mechanism further includes: a third guide piece and a third guide fitting, the third guide piece extends along the lifting direction of the lifting portion, and the third guide fitting can move along the third guide The length direction of the piece moves; one of the third guide piece and the third guide matching piece is arranged on the lifting part, and the other is fixed outside the lifting part.

In the aforementioned lifting mechanism, the length direction of the screw is horizontal, and the length direction of the third guide is perpendicular to the horizontal plane.

The aforementioned lifting mechanism further includes: one or more limit blocks, fixedly arranged at one end or both ends of the moving direction of the movable part, and the abutment between the limit block and the movable part is used to limit the movement of the movable part. The moving range of the movable part is limited to limit the lifting range of the lifting part.

The aforementioned lifting mechanism further includes a base; the third guide piece, the fixing piece in the third guide fitting, and the limiting block are fixedly connected to the base.

In the aforementioned lifting mechanism, the movable part is provided with one or more second rollers, and the movable part is supported on the base by the second rollers.

In the aforementioned lifting mechanism, a plane is connected to one or both ends of the inclined surface along the inclined direction. When the first roller moves to the plane along the inclined surface, the lifting part moves to the highest position or moves to the lowest position. Location.

The purpose of the utility model and its technical problem solving also adopt the following technical schemes to realize. The battery exchange trolley proposed according to the utility model includes the lifting mechanism described in any one of the foregoing.

By virtue of the above technical solutions, the utility model has at least the following advantages and beneficial effects:

(1) The utility model can reduce the overall height of the lifting mechanism and the battery replacement trolley by horizontally setting the driving devices such as the screw and the motor, and save space;

(2) The movable part is used to support the lifting part, and the base is used to support the movable part, so that the lifting part and the object to be lifted (such as the tightening mechanism of the battery replacement trolley) are fully supported by the material, so as not to bring load to the motor, It can improve the stability and reliability of lifting and prolong the service life of the motor;

(3) Use the movement of the first roller along the inclined direction of the wedge-shaped block slope to realize the lifting of the lifting part, and then the lifting accuracy mainly depends on the accuracy of the wedge-shaped block slope, and the slope is easy to process and has high molding precision, so it is convenient to improve the lifting position Accuracy, and then when the lifting mechanism is applied to the battery exchange trolley or the battery exchange platform, the success rate of battery exchange can be improved;

(4) By setting one or more pairs of third guides and third guide fittings, the lifting of the lifting part can be guided to move along the length direction of the third guide, so that during the lifting process, the lifting part is used to support The platform of the object to be lifted can be kept level;

(5) By setting a plane at one or both ends of the inclined surface of the wedge block, after the lifting is in place, the contact between the first roller of the movable part and the plane can be used to provide stable and reliable support for the lifting part and the object to be lifted. support;

(6) The lifting mechanism of the utility model has a simple structure and is convenient for cost control.

The above description is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly, it can be implemented according to the contents of the specification, and in order to make the above and other purposes, features and advantages of the utility model better It is obvious and easy to understand, and the preferred embodiments are specifically cited below, together with the accompanying drawings, and the detailed description is as follows.

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a lifting mechanism according to an embodiment of the present invention.

FIG. 2 is a partial enlarged view of A in FIG. 1 .

Fig. 3 is a structural schematic diagram of a lifting mechanism according to an embodiment of the present invention.

Fig. 4 is an exploded perspective view of the lifting mechanism of an embodiment of the present invention.

【Symbol Description】

100: lifting department 200: movable department

110: wedge block 210: first roller

310: Motor 321: Screw

322: Lead screw nut 330: Coupling

400: base 220: second roller

510: Third guide 520: Third guide fitting

600: limit block

Detailed ways

In order to further explain the technical means and effects of the utility model to achieve the intended purpose of the invention, the specific implementation, structure, Features and their functions are described in detail below.

Referring to Fig. 1 to Fig. 4, the lifting mechanism according to the example of the utility model mainly includes: a lifting part 100, a movable part 200 for driving the lifting part 100 to go up and down, and a driving part for driving the movement of the movable part 200. Wherein, the lifting part 100 is used to support the object to be lifted and lowered, and the moving direction of the movable part 200 has a certain angle with the lifting direction of the lifting part 100; Orientation is perpendicular to the horizontal plane. The lifting part 100 is provided with one or more first guides, and the movable part 200 is provided with one or more second guides. The lifting part 100 is supported on the second guides by the first guides, and then supported on the movable part. On the part 200; at least one of the first guide and the second guide has an inclined surface, and during the lifting process, the inclined surface serves as a supporting part for mutual support between the second guide and the first guide to realize lifting The part 100 can be moved up and down driven by the movable part 200 , and the moving direction of the movable part 200 has a certain angle with the lifting direction of the lifting part 100 . It should be noted that the "inclined surface" refers to a surface with an inclined state, such as a plane, a curved surface, etc., which can meet the basic requirements of inclining from a high place to a low place, and are all within the scope of the "inclined surface".

As shown in FIG. 1 and FIG. 2 , in one embodiment, one of the first guide member and the second guide member is a wedge block 110 , and the other is a first pulley 210 . Specifically, it may be: the first guide is a wedge block 110, the wedge block 110 has a first bottom surface and a second bottom surface, the first bottom surface is connected with the lifting part 100, at least a part of the second bottom surface is a slope; the second guide piece Be the first roller 210, the first roller 210 is in contact with the slope of the wedge block 110, so that the lifting part 100 is pressed on the movable part 200; and, the first roller 210 can move along the inclined direction of the wedge block 110 slope to In this way, when the driving part drives the movable part 200 to move, the lifting part 100 can be driven up and down by the movable part 200 . When utilizing the movement of the first roller 210 located on the movable part 200 along the slope of the wedge block 110 to realize the lifting of the lifting part 100, the precision of the lift mainly depends on the precision of the slope of the wedge block 110, and the slope is easy to process and has high forming precision, so It is convenient to improve the accuracy of the lifting position, and then when the lifting mechanism is applied to a battery swap trolley or a battery swap platform, the success rate of battery swap can be improved. It should be noted that, the first guide member may also be the first pulley 210 and the second guide member may be the wedge block 110 .

It should be noted that the supporting position where the second guide member supports the first guide member is not limited to the aforesaid slope on the first guide member and/or on the second guide member. As an optional example, a plane may be connected to one or both ends of the slope along the slope, and when the first roller 210 moves to the plane along the slope, the lifting part 100 moves to the highest position or to the lowest position, thereby After the lifting part 100 is raised or lowered to a certain position, the contact between the first roller 210 and the plane can be used to provide stable and reliable support for the lifting part 100 and the object to be lifted.

It should be noted that the first guide member and the second guide member are not limited to the above-mentioned one being the wedge block 110 and the other being the first pulley 210 . For example, the first guide piece and the second guide piece can both be wedge-shaped blocks 110, and the slope of the first guide piece is in contact with the slope of the second guide piece, so that the lifting part 100 is supported on the movable part 200, And when the driving part drives the movable part 200 to move, the lifting part 100 can be driven up and down by the movable part 200 .

In one embodiment, one side of the lifting part 100 is in contact with the object to be lifted, and the other side is provided with four first guides, which are distributed at the four corners of the lifting part 100; the movable part 200 is an "I"-shaped structure, Four second guides corresponding to the first guide are provided at corresponding positions, and are distributed at the four ends of the "I"-shaped structure. By arranging four pairs of first guides and second guides, the stability of lifting and lowering the lifting part 100 can be improved.

As shown in Fig. 3 and Fig. 4, in one embodiment, the driving part includes a motor 310, a lead screw 321 driven by the motor 310, and a lead screw nut 322 sleeved on the lead screw 321, the lead screw nut 322 It is fixedly connected with the movable part 200 , and when the motor 310 drives the lead screw 321 to rotate, the lead screw nut 322 can drive the movable part 200 to move along the length direction of the lead screw 321 . Wherein, the motor 310 can be a motor reducer; the lead screw 321 can be connected with the motor 310 through a coupling 330, so that the lead screw 321 can rotate under the drive of the motor 310. Optionally, the length direction of the lead screw 321 can be set horizontally, and the motor 310 can be set horizontally, so as to reduce the overall height of the lifting mechanism and save space.

It should be noted that the driving part is not limited to the above-mentioned structure including the motor 310, the lead screw 321 and the lead screw nut 322, and only needs to be able to provide driving for the movement of the movable part 200. For example, the driving part may also include a motor, gears and teeth The transmission structure of the strip.

Further, the lifting mechanism of the present utility model can also include a base 400 for fixing parts that need to be fixed in the components included in the lifting mechanism. For example, the motor 310 can be fixed on the base 400 through a mounting plate, and the lead screw 321 can pass through the bearing. The support is fixed on the base 400 ; in addition, the base 400 can also be used to support the movable part 200 . As shown in Fig. 1 and Fig. 2, in one embodiment, the lifting mechanism also includes a base 400, and the movable part 200 is also provided with one or more second rollers 220, and the second rollers 220 can be distributed in "work" The four ends of the glyph structure, the movable part 200 is supported on the base 400 through the second roller 220 , and facilitates the movement of the movable part 200 on the base 400 . It should be noted that the rotation of the first roller 210 and the second roller 220 are not synchronous. In fact, in the embodiment shown in FIG. The rotation directions of the two rollers 220 are opposite. In addition, it should be noted that it is not limited to the support of the base 400 to the movable part 200 and the sliding of the movable part 200 on the base 400 by setting the second roller 220. In practice, guide rails can also be provided on the base 400 and the movable part 200 , sliders, or separately provided with chute, rollers, etc. to realize the support of the base 400 to the movable part 200 and the sliding of the movable part 200 on the base 400 .

Further, the lifting mechanism of the present invention can also include one or more pairs of third guides 510 and third guide fittings 520, the third guides 510 extend along the lifting direction of the lifting part 100, and the third guides fit The member 520 can move along the length direction of the third guide member 510 . One of the third guide piece 510 and the third guide matching piece 520 is arranged on the lifting part 100, and the other is fixed on the outside of the lifting part 100, for example, it can be fixed on the base 400, so that during the lifting process, the lifting part 100 can move along the third The longitudinal direction of the guide 510 is stably raised and lowered. As shown in Figure 3 and Figure 4, as an example, the lifting part 100 is fixed with four third guides 510 whose length directions are perpendicular to the horizontal plane, and the third guides 510 are guide shafts; correspondingly, in The base 400 is fixedly connected with four third guide fittings 520, and the third guide fittings 520 are sliding bearings; the sliding bearings are sleeved on the guide shaft and can slide along the length direction of the guide shaft, and then the lifting part The lifting limit of 100 is perpendicular to the horizontal plane, and the platform used by the lifting part 100 to support the object to be lifted can be kept horizontal during the lifting process. It should be noted that the third guide member 510 and the third guide fitting member 520 are not limited to the above-mentioned guide shafts and sliding bearings, and may also be other structures capable of guiding such as guide rails and sliders.

As shown in Figure 4, in some embodiments, the lifting mechanism of the present utility model is also provided with one or more limit blocks 600, which are fixedly arranged at one or both ends of the moving direction of the movable part 200, such as limit blocks 600 It can be fixed on the base 400 . When the movable part 200 moves, the moving range of the movable part 200 is limited by the abutment of the limit block 600 and the movable part 200, and then the lifting range of the lifting part 100 is limited.

The utility model also discloses a battery exchange trolley, which includes the lifting mechanism described in any one of the above-mentioned embodiments. The battery replacement trolley may include a bottom beam and a tightening mechanism for loading and unloading battery packs. The bottom beam may be provided with rollers for walking on the track. The lifting mechanism is arranged on the bottom beam. For example, when the lifting mechanism has a base 400, the base 400 can be fixedly connected to the bottom beam, or when the lifting mechanism is not provided with a base 400, the movable part 200 can be placed on the bottom beam. . The lifting part 100 of the lifting mechanism is used to provide support for the tightening mechanism, so as to realize the lifting of the tightening mechanism.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those who are familiar with this profession, without departing from the scope of the technical solutions of the present utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all without departing from the technical solutions of the present utility model The content of the scheme, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (10)

1. a kind of elevating mechanism, which is characterized in that including：

Lifting unit (100), is used to support and is lifted by lifting object；

For drive the lifting unit (100) lift movable part (200), the moving direction of the movable part (200) with it is described The lifting direction of lifting unit (100) has certain angle；

And the driving portion for being driven for the mobile offer of the movable part (200)；

The lifting unit (100) is equipped with the first guide part, and the movable part (200) is equipped with the second guide part, the lifting unit (100) it by first guide part supports on second guide part, and then is supported on the movable part (200)；

At least one of first guide part, described second guide part have inclined-plane, and in lifting process, the inclined-plane is made The support zone mutually supported between second guide part and first guide part.

2. elevating mechanism according to claim 1, it is characterised in that：In first guide part, second guide part One be wedge block (110), another be the first idler wheel (210).

3. elevating mechanism according to claim 1, which is characterized in that the driving portion includes：

Motor (310), the leading screw (321) driven by the motor (310) and the feed screw nut for being sheathed on the leading screw (321) (322), the movable part (200) is fixed on the feed screw nut (322), for driving the movable part (200) to carry out along institute State the movement of the length direction of leading screw (321).

4. elevating mechanism according to claim 3, which is characterized in that further include：

Third guide part (510) and third are oriented to counterpart (520), and the third guide part (510) is along the lifting unit (100) Lifting direction extend, the third is oriented to counterpart (520) and can be moved along the length direction of the third guide part (510) It is dynamic；One in the third guide part (510), third guiding counterpart (520) is set to the lifting unit (100), separately One is fixed on the lifting unit (100) outside.

5. elevating mechanism according to claim 4, it is characterised in that：Described leading screw (321) length direction is in level, institute Third guide part (510) length direction stated is perpendicular to horizontal plane.

6. elevating mechanism according to claim 4, which is characterized in that further include：

One or more limited blocks (600), are fixedly arranged at the one or both ends of the movable part (200) moving direction, lead to That crosses the limited block (600) and the movable part (200) carries out mobile amplitude against to limit the movable part (200), To limit the amplitude that the lifting unit (100) is lifted.

7. elevating mechanism according to claim 6, which is characterized in that further include pedestal (400)；The third guide part (510), the fixing piece and the limited block (600) that the third is oriented in counterpart (520) are fixed in the pedestal (400)。

8. elevating mechanism according to claim 7, it is characterised in that：The movable part (200) is equipped with one or more the Second wheel (220), the movable part (200) are supported on by second idler wheel (220) on the pedestal (400).

9. elevating mechanism according to claim 2, it is characterised in that：In the one or both ends of the inclined-plane along inclined direction It is connected with plane, when first idler wheel (210) is moved to the plane along the inclined-plane, the lifting unit (100) is mobile To extreme higher position or it is moved to extreme lower position.

10. a kind of battery changing trolley, which is characterized in that include the elevating mechanism as described in any one of claim 1 to 9.