CN214450918U

CN214450918U - Power lithium battery cabinet body mounting structure

Info

Publication number: CN214450918U
Application number: CN202120004644.3U
Authority: CN
Inventors: 王位; 刘斌; 徐兆堃; 袁顺; 李晶; 邹洁璇; 陈雄伟
Original assignee: CRRC Zhuzhou Locomotive Co Ltd
Current assignee: CRRC Zhuzhou Locomotive Co Ltd
Priority date: 2021-01-04
Filing date: 2021-01-04
Publication date: 2021-10-22
Anticipated expiration: 2031-01-04

Abstract

The utility model discloses a power lithium battery cabinet body mounting structure, which comprises a battery cabinet body and a mechanical room structure, wherein the top of the end wall of the mechanical room structure is provided with a boss, the longitudinal section of the boss is trapezoidal, and the lower end of the trapezoidal waist is abutted against the inner side of the side wall of the mechanical room structure; the battery cabinet body comprises a main body structure and cover plates arranged at two ends of the main body structure, two sides of the bottom of the main body structure are fixedly connected with side walls of the mechanical room structure, the shape of each cover plate is matched with that of each boss, and each cover plate is fixedly arranged on each boss; a first drainage groove is formed in the position, opposite to the boss, of the top of the side wall; all be equipped with the recess on side wall and the headwall, install the sealing strip in this recess, the thickness of sealing strip is greater than the degree of depth of recess. The utility model discloses well battery cabinet body can compromise top cap sealing function and power battery cabinet body function between machinery, has improved the space utilization of automobile body, has simplified equipment fixing and maintenance process.

Description

Power lithium battery cabinet body mounting structure

Technical Field

The utility model belongs to the technical field of the track traffic, concretely relates to installs a power lithium cell cabinet body mounting structure at shunting locomotive machinery room top.

Background

The traditional storage battery of the rail transit vehicle generally adopts a lead-acid storage battery which is mainly used for the power supply of a vehicle control system DC110V and the working condition of low-power grade power traction, but the lead-acid storage battery has low specific energy, high self-discharge rate and low cycle life, the charging and discharging times are generally about 1200 times, and the lead-acid storage battery cannot adapt to the increasingly high use requirements of the rail transit industry on the power battery. The lithium battery has the advantages of small volume, high mass specific energy and mass specific power, high voltage, low self-discharge rate, long service life, wide working temperature range, no charge-discharge memory effect and the like, so that the lithium battery is more and more widely applied in recent years, and the power battery technology in the rail transit industry gradually turns to the application research of the lithium battery from the traditional lead-acid storage battery.

The traditional shunting locomotive power battery cabinet arranges the storage battery monomers in a certain sequence for boxing according to the boxes, the storage battery monomers are fixed according to the boxes, the whole battery cabinet is arranged inside a locomotive mechanical room or under a locomotive, the influence of the external environment (such as temperature, rain and snow) of the locomotive is not required to be considered in the design of the cabinet body, and the protection sealing and drainage structure of the cabinet body is relatively simple. When shunting locomotive equipment layout or space size are restricted, need set up the power battery cabinet between machinery when the top, the top cap is done alone at the top between general machinery and sealed, then installs the power battery cabinet body in the top cap top between machinery, and the structure is complicated, when needing to overhaul the equipment in the machinery room, need dismantle power battery cabinet and machinery between top cap respectively, hoist and mount many times, complex operation. In addition, because the power battery cabinet exposes outside the locomotive, receive the influence of vehicle external environment great: the external high-low temperature environment directly acts on the power battery cabinet body and is in contact with rain, snow and wind frost, and the sealing and drainage requirements of the cabinet body are high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a power lithium battery cabinet body mounting structure for the power lithium battery cabinet body can compromise top cap sealing function and power battery cabinet body function between machinery, with the problem that the equipment overhaul is complicated when solving the battery cabinet body and installing at the automobile body top between machinery.

In order to achieve the above object, the utility model adopts the following technical scheme: a power lithium battery cabinet body installation structure comprises a battery cabinet body and a mechanical room structure, wherein a boss is arranged at the top of an end wall of the mechanical room structure, the longitudinal section of the boss is trapezoidal, and the lower end of the waist of the trapezoid is abutted against the inner side of a side wall of the mechanical room structure; the battery cabinet body comprises a main body structure and cover plates arranged at two ends of the main body structure, two sides of the bottom of the main body structure are fixedly connected with side walls of the mechanical room structure, the shape of each cover plate is matched with that of each boss, and each cover plate is fixedly arranged on each boss; a first drainage groove is formed in the position, opposite to the boss, of the top of the side wall; all be equipped with the recess on side wall and the headwall, install the sealing strip in this recess, the thickness of sealing strip is greater than the degree of depth of recess.

When the battery cabinet body is installed, the bosses arranged at two ends of the structure between the machines can play a role in guiding on one hand, a large amount of adjustment work during installation of the structure between the battery cabinet body and the machines is reduced, on the other hand, the bosses and the cover plates at two ends of the battery cabinet body form a convex-concave matching installation structure, two sides of the battery cabinet body are connected with the side wall plane of the structure between the machines, and the installation structure is better in connection stability relative to full-plane installation. When the battery cabinet body is installed in place, because the thickness of the sealing strip is greater than the depth of the groove, the installation surface of the battery cabinet body can be in complete contact with the sealing strip and compacted, and the sealing effect of the structure between machines is guaranteed. In addition, boss and first drain tank can also play the effect of water conservancy diversion rainwater, prevent that the rainwater from the installation face gathering of structure and the battery cabinet body between machinery to prevent that the sealing strip from being corroded, ensure sealed effect.

Preferably, the length of the first drainage channel is greater than the width of the boss, so that rainwater flowing down along the boss can be drained from the first drainage channel in time.

Preferably, a plurality of second water drainage grooves are further formed in the top of the side wall along the length direction, and rainwater flowing to the center of the top of the side wall can be drained timely when rainfall is large.

Preferably, the top of the side wall and the top of the boss are both provided with C-shaped grooves; the battery cabinet is characterized in that mounting seats corresponding to the C-shaped grooves are arranged on the two sides of the bottom of the main body structure and the cover plate, the heads of the T-shaped bolts are mounted in the C-shaped grooves, and the bottoms of the T-shaped bolts penetrate through the mounting seats to fix the battery cabinet on a mechanical structure.

Preferably, in order to adjust the installation gap and the appearance, a decorative plate is fixedly connected to the cover plate, and the width of the decorative plate is larger than that of the cover plate.

Preferably, the decorative plate is longitudinally provided with a waist-shaped hole so as to adjust the gap between the battery cabinet body and the machine structure after installation.

Preferably, hoisting structures are fixed on two sides of the main body structure and used for hoisting the battery cabinet body.

Preferably, the top of the main body structure is provided with a battery overhaul cover plate and an air conditioner overhaul cover plate.

Preferably, the middle part of the bottom surface of the main structure protrudes downwards, so that redundant space of the mechanical structure is effectively utilized, and the volume space of the battery cabinet body is increased.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a battery cabinet body can compromise the top cover sealing function between machinery and the power battery cabinet body function, improves the space utilization rate of the vehicle body, and simplifies the equipment installation and maintenance procedures; the end part of the structure between the battery cabinet body and the machine is connected with the cover plate in a matching way by adopting the lug boss, so that effective guiding and limiting are realized, and the mounting efficiency is improved; simultaneously, the design of boss and water drainage tank has solved the environmental suitability problem of the battery cabinet body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a front view of FIG. 1;

fig. 3 is a schematic view of a battery cabinet body in the present invention;

fig. 4 is a front view of the structure of the intermediate machine of the present invention;

fig. 5 is a side view of the structure of the intermediate machine of the present invention;

FIG. 6 is a schematic view of the end of the intermediate structure of the present invention;

fig. 7 is a schematic view of the connection between the intermediate mechanism and the battery cabinet of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The utility model provides a power lithium battery cabinet body mounting structure, as shown in fig. 1 ~ 7, including the battery cabinet body 2 and machinery between structure 5, machinery between structure 5 includes headwall 6 and side wall 7, and the top of headwall 6 is provided with boss 3, and the longitudinal section of this boss 3 is trapezoidal, preferably isosceles trapezoid, the lower extreme of trapezoidal waist and the inboard butt of side wall 7. The battery cabinet body 2 comprises a main structure 10 and cover plates 11 arranged at two ends of the main structure, the shape of each cover plate 11 is matched with the corresponding boss 3, the cover plates 11 are fixed on the bosses 3 during installation, and two sides of the bottom of the main structure 10 are fixedly connected with the side walls 7. From this, structure 5 adopts the plane to be connected between 2 both sides of the battery cabinet body and machinery, and structure 5 adopts unsmooth cooperation to be connected between 2 both ends of the battery cabinet body and machinery for whole mounting structure connects more firmly.

A plurality of second water drainage grooves 21 are formed in the top of the side wall 7 at equal intervals along the length direction, wherein a first water drainage groove 20 is formed in the position right facing the boss 3, and the length of the first water drainage groove 20 is larger than the width of the boss 3. From this, when raining, the rainwater directly flows into along the clearance between the battery cabinet body 2 and the machinery 5 on the one hand, and on the other hand falls into the rainwater of the top cap of the battery cabinet body 2 and also flows in along the 11 edges of apron, when the rainwater gathers to a certain extent, the rainwater can flow down along the trapezoidal waist limit of boss 3, and most rainwater of gathering will be drained off by first water drainage tank 20, and a small amount of rainwater will be discharged along other second water drainage tank 21 on side wall 7.

In this embodiment, C-shaped grooves 18 are formed in the top of the side wall 7 and the top of the boss 3; the two sides of the bottom of the main body structure 10 and the cover plate 11 are provided with mounting seats 9 corresponding to the C-shaped grooves 18, and the heads of the T-shaped bolts 17 are pre-installed in the C-shaped grooves 18. The side walls 7 and the end walls 6 are respectively provided with a groove 15, the grooves 15 are welded on the inner sides of the end walls and the side walls, the height of each groove 15 is about 3mm lower than that of the C-shaped groove 18, and therefore the battery cabinet body is prevented from being propped against the side face and the end portion of the cabinet body due to welding deformation when the cabinet body is installed. A sealing strip 16 is arranged in the groove 15, and the thickness of the sealing strip 16 is larger than the depth of the groove 15. The battery cabinet body 2 is hoisted to the installation area of the mechanical room structure 5 through the four hoisting structures 8, after the battery cabinet body 2 falls down, the bottom of the T-shaped bolt 17 is ensured to be matched with the installation seat 9 in place, the sealing strips 16 are compacted, and the T-shaped bolt is fastened by the effective torque nut.

In order to adjust the installation gap and the appearance, the end parts of the battery cabinet body 2 are respectively provided with a decorative plate 1, the decorative plate 1 is directly connected with a cover plate 11, and the gap between the battery cabinet body 2 and the mechanical compartment structure 5 after the installation is adjusted through a waist-shaped hole 4 longitudinally formed in the decorative plate.

The top of major structure 10 is equipped with battery maintenance apron 14 and air conditioner maintenance apron 12, is equipped with air conditioner extrinsic cycle wind gap 13 on the air conditioner maintenance apron 12. The battery overhaul cover plate 14 and the air conditioner overhaul cover plate 12 are both installed through compression type door locks, disassembly and assembly can be achieved quickly, in addition, sealing strips are further arranged at the positions, and the tightness of the battery overhaul cover plate 14 and the tightness of the air conditioner overhaul cover plate 12 are guaranteed through gravity and compression type door lock pressing force.

The middle part of the bottom surface b of the main structure 10 protrudes out of the cabinet body mounting surface a, so that the redundant space of the mechanical compartment structure 5 can be effectively utilized, the volume space of the battery cabinet body 2 is increased, and meanwhile, the rigidity of the cabinet body is effectively increased.

Claims

1. The power lithium battery cabinet body mounting structure is characterized by comprising a battery cabinet body (2) and a mechanical room structure (5), wherein a boss (3) is arranged at the top of an end wall (6) of the mechanical room structure (5), the longitudinal section of the boss (3) is trapezoidal, and the lower end of the trapezoidal waist is abutted against the inner side of a side wall (7) of the mechanical room structure; the battery cabinet body (2) comprises a main body structure (10) and cover plates (11) arranged at two ends of the main body structure, two sides of the bottom of the main body structure (10) are fixedly connected with side walls (7) of the mechanical room structure, the shape of each cover plate (11) is matched with the boss (3), and the cover plates (11) are fixedly arranged on the bosses (3); a first drainage groove (20) is formed in the position, opposite to the boss (3), of the top of the side wall (7); all be equipped with recess (15) on side wall (7) and headwall (6), install sealing strip (16) in this recess (15), the thickness of sealing strip (16) is greater than the degree of depth of recess (15).

2. The power lithium battery cabinet mounting structure of claim 1, wherein the length of the first drainage groove (20) is greater than the width of the boss (3).

3. The power lithium battery cabinet body installation structure of claim 2, wherein a plurality of second drainage grooves (21) are further formed in the top of the side wall (7) along the length direction.

4. The power lithium battery cabinet body mounting structure of claim 1, wherein the top of the side wall (7) and the top of the boss (3) are both provided with a C-shaped groove (18); both sides of major structure (10) bottom and apron (11) all are equipped with mount pad (9) that correspond with C type groove (18), and the head of T type bolt (17) is installed in C type groove (18), and the bottom of T type bolt (17) is passed mount pad (9) and is fixed battery cabinet body (2) on machinery room structure (5).

5. The power lithium battery cabinet body installation structure according to claim 1, wherein a decorative plate (1) is fixedly connected to the cover plate (11), and the width of the decorative plate (1) is greater than that of the cover plate (11).

6. The power lithium battery cabinet body installation structure according to claim 5, wherein the decorative plate (1) is provided with a waist-shaped hole (4) along the longitudinal direction.

7. The power lithium battery cabinet body installation structure according to claim 1, wherein a hoisting structure (8) is fixed on two sides of the main body structure (10).

8. The power lithium battery cabinet body mounting structure according to claim 1, wherein a lithium battery overhaul cover plate (14) and an air conditioner overhaul cover plate (12) are arranged at the top of the main body structure (10).

9. The power lithium battery cabinet mounting structure according to claim 1, wherein the middle of the bottom surface of the main body structure (10) protrudes downward.