CN217934093U - Heavy-duty vehicle battery supporting device - Google Patents

Abstract

The utility model relates to a heavy-duty car battery strutting arrangement, which comprises a bracket and a bracket, the support includes left side pole and right pole, left side pole and right pole correspond and are fixed with vertical left frame and right frame, the inboard of left side frame and right frame is fixed with battery support piece, the bracket includes left side roof beam and right roof beam, be fixed with the crossbeam between left side roof beam and the right roof beam, the inboard of left side roof beam and right roof beam is equipped with locking mechanism respectively, locking mechanism includes the journal stirrup, short swing arm, extrusion arm and long swing arm, the journal stirrup is fixed on the crossbeam, the lower extreme of short swing arm is articulated with the journal stirrup, the one end of extrusion arm is articulated with the upper end of short swing arm, the other end of extrusion arm is fixed with the briquetting, long swing arm is equipped with two and the both sides of symmetric distribution at the extrusion arm, the lower extreme of two long swing arms is articulated with the crossbeam, the first one of two long swing arms is articulated with the middle part of extrusion arm, it has drive actuating cylinder to articulate through the round pin axle between the upper end of two long swing arms. The locking device has the advantages of compact structure, reliable locking, strong adaptability and high safety.

Description

Heavy-duty vehicle battery supporting device

Technical Field

The utility model relates to a strutting arrangement, concretely relates to battery strutting arrangement for electric heavy vehicle.

Background

For electric heavy vehicles, because the battery pack is charged for a long time, the battery pack is usually fixed on a bracket in the field, a bracket and a locking mechanism matched with the bracket are fixed on a vehicle chassis, and the bracket and the battery pack are placed on the bracket and locked and fixed during use. When the electric quantity is not enough, can directly pull down original support and group battery to on will be full of electric support and group battery installation bracket, in order to realize quick replacement group battery, avoid influencing vehicle normal use. However, the battery supporting device of the existing electric heavy vehicle has the problems of complex structure, unreliable locking and poor safety, and needs to be improved or perfected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heavy-duty car battery strutting arrangement based on four-bar linkage locking mechanism, it has compact structure, easy dismounting, locking reliably, strong adaptability, high advantage of security.

In order to solve the above problems in the prior art, the utility model provides a heavy vehicle battery support device, which comprises a support and a bracket, wherein the support comprises a left side rod and a right side rod, a lower cross rod which is distributed at intervals is fixed between the left side rod and the right side rod, the inner sides of the left side rod and the right side rod are respectively fixed with a positioning block, the positioning block is provided with a positioning hole, the left side rod and the right side rod are correspondingly fixed with a vertical left frame and a right frame, an upper cross rod which is distributed at intervals is fixed between the left frame and the right frame, the inner sides of the left frame and the right frame are respectively fixed with a battery support piece which is made of angle steel, the bracket is fixed on a vehicle chassis, the bracket comprises a left side beam and a right side beam which are correspondingly positioned at the lower sides of the left side rod and the right side rod, the inner sides of the left side beam and the right side beam are respectively fixed with positioning columns inserted into positioning holes, the inner sides of the left side beam and the right side beam are respectively provided with a locking mechanism, the locking mechanism comprises a support lug, a short swing arm, an extrusion arm and a long swing arm, the support lug is fixed on the cross beam, the lower end of the short swing arm is hinged with the support lug through a pin shaft, one end of the extrusion arm is hinged with the upper end of the short swing arm through a pin shaft, the other end of the extrusion arm is fixed with a pressing block for pressing down the left side rod or the right side rod, the long swing arms are provided with two pressing blocks, the two pressing blocks are symmetrically distributed on two sides of the extrusion arm, the lower ends of the two long swing arms are hinged with the cross beam through a pin shaft, the upper half parts of the two long swing arms are hinged with the middle part of the extrusion arm through a pin shaft, and the upper ends of the two long swing arms are hinged with a driving cylinder through a pin shaft.

Further, the utility model relates to a heavy-duty car battery strutting arrangement, wherein, the briquetting passes through connecting bolt to be fixed at the tip of extrusion arm, is equipped with the mounting hole of installation connecting bolt on the briquetting, and the mounting hole is vertical bar hole, and the extrusion arm is equipped with the supporting part of increaseing in the upside position of briquetting, increasees to be equipped with the screw hole that the bolt was increaseed in the installation on the supporting part.

Further, the utility model relates to a heavy-duty car battery strutting arrangement, wherein, the lower terminal surface of briquetting is the cambered surface, the position that corresponds with the briquetting on left side pole and the right side pole is fixed with the cushion respectively, and the downside of cushion is equipped with rubber gasket, and the side of going up of cushion is higher than inboard inclined plane for the outside.

Further, the utility model relates to a heavy-duty car battery strutting arrangement, wherein, the inboard locking mechanism of left side roof beam and right roof beam sets up more than two along the fore-and-aft direction interval respectively, and the inboard locking mechanism of left side roof beam and right roof beam is bilateral symmetry and distributes, and the long swing arm of symmetric distribution corresponds and the same piston rod and the cylinder body that drive actuating cylinder are articulated, is equipped with the air spring between the extrusion arm of symmetric distribution, the both ends of air spring respectively with the extrusion arm that corresponds and the round pin hub connection between the short swing arm.

Further, the utility model relates to a heavy-duty car battery support device, wherein, the structure of left side frame and right frame is the same, the frame on the left side includes corner stand, vertical connecting rod, center pillar and diagonal brace, the corner stand is equipped with two and makes it correspond the both ends of fixing at the left side pole, the both ends correspondence of vertical connecting rod and two corner stand fixed connection, the both ends correspondence of center pillar and vertical connecting rod and left side pole fixed connection, the diagonal brace is equipped with two and makes its symmetric distribution in the both sides of center pillar, the upper end of diagonal brace and the upper end fixed connection of center pillar, the lower extreme of diagonal brace is fixed on the left side pole, distance between two diagonal brace lower extremes equals 1/2 ~ 2/3 of left side pole length.

Further, the utility model relates to a heavy-duty car battery support device, wherein, left side frame still includes auxiliary column, goes up down the down tube and down the down tube, and auxiliary column is equipped with two and makes its symmetric distribution in the outside of two diagonal braces, and auxiliary column's both ends correspond and indulge connecting rod and left side pole fixed connection, go up the down tube and be equipped with two and make its symmetric distribution in the outside of two diagonal braces, go up the both ends correspondence of down tube and auxiliary column and diagonal brace fixed connection, down the down tube is equipped with two and makes its symmetric distribution in the inboard of two diagonal braces, down the down tube with go up the down tube collineation and make its both ends correspond with diagonal brace and left side pole fixed connection.

Further, the utility model relates to a heavy-duty car battery support device, wherein, interval distribution's auxiliary beam around still being fixed with between left side roof beam and the right roof beam, two supporting beam of interval distribution around the downside of left side roof beam and right roof beam is fixed with are equipped with deep floor between two supporting beam and left side roof beam and the right roof beam respectively.

Furthermore, the utility model relates to a heavy vehicle battery support device, wherein, the lower sides of the left side pole and the right side pole are respectively fixed with an upper padding plate and an auxiliary supporting leg which are distributed at intervals, the upper padding plate is made of rubber, and the auxiliary supporting leg is coated with rubber; and the upper sides of the left side beam and the right side beam are respectively fixed with a lower base plate corresponding to the upper base plate, and the cushion blocks are positioned right above the upper base plate and the lower base plate.

Further, the utility model relates to a heavy-duty car battery strutting arrangement, wherein, the lower extreme both sides of short swing arm are equipped with the journal stirrup respectively, it is articulated with short swing arm that the extrusion arm passes through U type jaw, and the both sides wall correspondence of U type jaw is in the upper end both sides of short swing arm.

Further, the utility model relates to a heavy-duty car battery strutting arrangement, wherein, the interval is equipped with a plurality ofly about battery support piece on left side frame and the right frame respectively, and battery support piece on left side frame and the right frame is bilateral symmetry and distributes, is equipped with a plurality of fixed orificess on the battery support piece, and battery support piece is equipped with coupling nut in the downside position of fixed orifices.

The utility model relates to a heavy-duty car battery strutting arrangement compares with prior art, has following advantage: the utility model discloses a set up support and bracket, make the support set up left side pole and right side pole, the bottom horizontal pole of interval distribution around fixed between left side pole and right side pole, the inboard of left side pole and right side pole is fixed the locating piece respectively, set up the locating hole on the locating piece, correspond fixed vertical left side frame and right frame on left side pole and right side pole, fixed front and back interval distribution's top horizontal pole between left side frame and right frame, and fixed the battery support piece who adopts the angle steel preparation respectively in the inboard of left side frame and right frame; fixing a bracket on a vehicle chassis, arranging a left side beam and a right side beam which are correspondingly positioned at the lower sides of a left side rod and a right side rod on the bracket, fixing cross beams which are distributed at intervals front and back between the left side beam and the right side beam, respectively fixing positioning columns which are inserted into positioning holes at the inner sides of the left side beam and the right side beam, and respectively arranging locking mechanisms at the inner sides of the left side beam and the right side beam; let locking mechanism set up the journal stirrup, the short swing arm, extrusion arm and long swing arm, wherein, the journal stirrup is fixed on the crossbeam, the lower extreme of short swing arm is articulated with the journal stirrup through the round pin axle, the one end of extrusion arm is articulated with the upper end of short swing arm through the round pin axle, the other end of extrusion arm is fixed with the briquetting of pushing down left side pole or right side pole, long swing arm is equipped with two and makes its symmetric distribution in the both sides of extrusion arm, the lower extreme of two long swing arms is articulated with the crossbeam through the round pin axle, the first of two long swing arms is articulated with the middle part of extrusion arm through the round pin axle, it has drive actuating cylinder to articulate through the round pin axle between the upper end of two long swing arms. In practical application, firstly, the battery pack is fixed on the bracket through the battery support piece, then the bracket and the battery pack are placed on the bracket, the left side rod and the right side rod correspond to the left side beam and the right side beam one by one, and then the pressing block is pressed on the left side rod and the right side rod by driving the long swing arm of the cylinder pushing and locking mechanism, so that the bracket can be locked and fixed on the bracket; when the electric quantity is not enough, draw long swing arm and make the locking mechanism unblock back through driving actuating cylinder, lift original support and group battery off to be full of electric support and group battery locking and fix on the bracket, can realize quick replacement group battery purpose, in order to avoid influencing vehicle normal use. The utility model discloses a make the support set up left side pole and right pole, make left side roof beam and right roof beam that the bracket setting corresponds with left side pole and right pole, improved support stability and butt joint convenience, locating piece and reference column through setting up the mutually supporting, the relative bracket of support moves on the horizontal direction when can conveniently dock the location and prevent locking, through setting up by the journal stirrup, short swing arm, the four-bar linkage locking mechanism that extrusion arm and long swing arm constitute, only need to push away the extension swing arm through driving actuating cylinder and can realize locking and unblock function, and can effectively increase locking torque, the locking reliability has been improved.

The following describes a battery supporting device for heavy-duty vehicles according to the present invention in detail with reference to the embodiments shown in the drawings.

Drawings

Fig. 1 is a front view of a battery support device for heavy vehicles according to the present invention;

fig. 2 is a left side view of the battery supporting device for heavy-duty vehicles according to the present invention;

fig. 3 is an isometric view of a heavy vehicle battery support apparatus of the present invention;

fig. 4 is an isometric view of a bracket in the battery support device of a heavy vehicle according to the present invention;

fig. 5 is a front view of a support in the battery support device of the heavy vehicle according to the present invention;

fig. 6 is a left side view of a support frame in the battery support device for heavy vehicles according to the present invention;

fig. 7 is an isometric view of a bracket in the battery support device of the heavy vehicle of the present invention;

fig. 8 is a partial front view of the battery support device for heavy vehicles according to the present invention when locked;

fig. 9 is a partial front view of the heavy vehicle battery support apparatus of the present invention when unlocked;

fig. 10 is a partial isometric view of the heavy vehicle battery support apparatus of the present invention when locked;

fig. 11 is a partial isometric view of the heavy vehicle battery support apparatus of the present invention when unlocked;

FIG. 12 is an enlarged view of position A of FIG. 10;

fig. 13 is an enlarged view of the position B in fig. 11.

Detailed Description

It should be noted that, in the present invention, the terms of upper, lower, left, right, front, rear and the like are only described according to the accompanying drawings, so as to facilitate understanding, and are not intended to limit the technical solution and the scope of the present invention.

Fig. 1 to 13 show a specific embodiment of a battery supporting device for heavy-duty vehicles, which includes a bracket 1 and a bracket 2. The support 1 is provided with a left side rod 11 and a right side rod 12, a lower cross rod 13 which is distributed at intervals is fixed between the left side rod 11 and the right side rod 12, positioning blocks 14 are respectively fixed on the inner sides of the left side rod 11 and the right side rod 12, positioning holes are formed in the positioning blocks 14, a left vertical frame 15 and a right vertical frame 16 are correspondingly fixed on the left side rod 11 and the right side rod 12, an upper cross rod 17 which is distributed at intervals is fixed between the left side frame 15 and the right frame 16, and battery supporting pieces 18 which are made of angle steel are respectively fixed on the inner sides of the left side frame 15 and the right frame 16. The bracket 2 is fixed on the chassis of the vehicle, the bracket 2 is provided with a left side beam 21 and a right side beam 22 which are correspondingly positioned at the lower sides of the left side rod 11 and the right side rod 12, cross beams 23 which are distributed at intervals in the front-back direction are fixed between the left side beam 21 and the right side beam 22, positioning columns 24 which are inserted into positioning holes are respectively fixed at the inner sides of the left side beam 21 and the right side beam 22, and locking mechanisms 3 are respectively arranged at the inner sides of the left side beam 21 and the right side beam 22. The locking mechanism 3 is provided with a support lug 31, a short swing arm 32, an extrusion arm 33 and a long swing arm 34, wherein the support lug 31 is fixed on a cross beam 23, the lower end of the short swing arm 32 is hinged with the support lug 31 through a pin shaft, one end of the extrusion arm 33 is hinged with the upper end of the short swing arm 32 through a pin shaft, the other end of the extrusion arm 33 is fixed with a pressing block 331 for pressing down a left side rod 11 or a right side rod 12, the long swing arms 34 are provided with two pressing blocks which are symmetrically distributed on two sides of the extrusion arm 33, the lower ends of the two long swing arms 34 are hinged with the cross beam 23 through pin shafts, the upper half parts of the two long swing arms 34 are hinged with the middle part of the extrusion arm 33 through pin shafts, and a driving cylinder 35 is hinged between the upper ends of the two long swing arms 34 through pin shafts.

Through the above structure setting, a heavy-duty vehicle battery support device with compact structure, convenient assembly and disassembly, reliable locking, strong adaptability and high safety is formed, in practical application, firstly, the battery pack is fixed on the bracket 1 through the battery support part 18, then the bracket 1 and the battery pack are arranged on the bracket 2, the left side rod 11 and the right side rod 12 correspond to the left side beam 21 and the right side beam 22 one by one, and then the pressing block 331 is extruded on the left side rod 11 and the right side rod 12 through the long swing arm 34 which drives the cylinder 35 to push the locking mechanism 3, so that the bracket 1 can be locked and fixed on the bracket 2. When the electric quantity is not enough, draw long swing arm 34 through driving actuating cylinder 35 and make the unblock back of locking mechanism 3, lift original support 1 and group battery off to fix support 1 and the group battery locking that will be full of electricity on bracket 2, can realize the quick replacement group battery purpose, in order to avoid influencing vehicle normal use. The utility model discloses a make support 1 set up left side pole 11 and right pole 12, make bracket 2 set up the left side roof beam 21 and the right roof beam 22 that correspond with left side pole 11 and right pole 12, the support stability and the butt joint convenience have been improved, through setting up locating piece 14 and reference column 24 of mutually supporting, can conveniently dock the location, and prevent that the relative bracket 2 of support 1 from moving on the horizontal direction when locking, through setting up by journal stirrup 31, short swing arm 32, the four connecting rod locking mechanism that extrusion arm 33 and long swing arm 34 constitute, only need can realize locking and unblock function through driving long swing arm 34 of actuating cylinder 35 push-and-pull, and can effectively increase locking moment, the locking reliability is improved. It should be noted that, in the present invention, a plurality of battery supporting members 18 are disposed on the left frame 15 and the right frame 16 at intervals up and down, respectively, and the battery supporting members 18 on the left frame 15 and the right frame 16 are symmetrically disposed; for the convenience of improving the dismouting battery, the utility model discloses a plurality of fixed orificess 181 that have set up interval distribution on battery support piece 18 to set up coupling nut 182 in the downside position of fixed orificess 181, so that through fixed orificess 181 and coupling nut 182 installation fixed battery.

As an optimized scheme, the utility model adopts the installation mode that the pressing block 331 is fixed at the end position of the extrusion arm 33 through the connecting bolt, wherein the pressing block 331 is provided with the installation hole 3311 for installing the connecting bolt, and the installation hole 3311 adopts a vertical strip-shaped hole structure so as to adjust the position of the pressing block 331; and simultaneously, the utility model discloses make extrusion arm 33 set up the supporting part 332 that increases in the upside position of briquetting 331, set up the screw hole 3321 that the bolt (not shown in the figure) was increased in the installation on the supporting part 332 that increases. The structure is arranged after the height position of the pressing block 331 is determined, the pressing block 331 is propped by the heightening bolt arranged in the threaded hole 3321, the pressing block 331 can be prevented from moving upwards, and the locking reliability is ensured. It should be noted that, in order to improve the installation stability of the pressing block 331, the mounting holes 3311 and the threaded holes 3321 of the present invention are usually spaced from each other. As an optimization scheme, the utility model discloses the lower terminal surface that makes briquetting 331 has adopted the cambered surface to the position that corresponds with briquetting 331 has fixed cushion 4 respectively on pole 11 on the left side and pole 12 on the right, has set up rubber gasket at the downside of cushion 4, and has made the side of going up of cushion 4 to have adopted the outside to be higher than inboard inclined plane. This structure setting can effectively avoid extrudeing not real phenomenon, and the inclined plane structure through cushion 4 can make briquetting 331 press more tightly more at the locking in-process, has strengthened application of force effect and locking reliability, can play the vibration cushioning effect through the rubber packing piece, can effectively slow down locking mechanism wearing and tearing, has prolonged life, has improved the security.

As an optimization scheme, the utility model discloses make the inboard locking mechanical system 3 of left boundary beam 21 and right roof beam 22 set up two along the fore-and-aft direction interval respectively to make the inboard locking mechanical system 3 of left boundary beam 21 and right roof beam 22 adopt bilateral symmetry mode of setting, in order to improve the steadiness of locking. And simultaneously, the utility model discloses make the locking mechanical system 3 of symmetric distribution adopt same drive actuating cylinder 35, promptly, the long swing arm 34 of symmetric distribution corresponds and is articulated with same piston rod and the cylinder body that drives actuating cylinder 35 to the reduction drives actuating cylinder quantity, reduce cost. The utility model discloses air spring 36 has still been set up between the extrusion arm 33 of symmetric distribution to make the both ends of air spring 36 respectively with the extrusion arm 33 that corresponds and the round pin hub connection between the short swing arm 32, through setting up air spring 36, can provide supplementary locking force on the one hand, so that the not enough influence locking effect of atmospheric pressure of drive cylinder, on the other hand can play balanced coordination effect, so that the locking mechanical system synchronization action of symmetric distribution has improved structural stability. It should be noted that the locking mechanisms 3 on the inner sides of the left side beam 21 and the right side beam 22 are not limited to two, but may be three or more; the inboard locking mechanical system 3 of left boundary beam 21 and right boundary beam 22 is also not limited to the symmetry mode of setting up, sets up each locking mechanical system 3 respectively alone and drives actuating cylinder and can realize equally the technical purpose of the utility model.

As a specific embodiment, the present invention adopts the same structure for the left frame 15 and the right frame 16 and makes them symmetrically distributed. The left frame 15 specifically includes two corner columns 151, a longitudinal connecting rod 152, a middle column 153 and diagonal braces 154, where the two corner columns 151 are correspondingly fixed at two ends of the left side rod 11, two ends of the longitudinal connecting rod 152 are correspondingly fixed to the two corner columns 151, two ends of the middle column 153 are correspondingly fixed to the longitudinal connecting rod 152 and the middle portion of the left side rod 11, two diagonal braces 154 are symmetrically distributed at two sides of the middle column 153, an upper end of the diagonal brace 154 is fixedly connected to an upper end of the middle column 153, a lower end of the diagonal brace 154 is fixed to the left side rod 11, and a distance between lower ends of the two diagonal braces 154 is equal to 1/2-2/3 of a length of the left side rod 11. The left frame 15 has the characteristics of simple structure, light weight and high strength, and the two inclined support rods 154 are symmetrically distributed, so that the distance between the lower ends of the two inclined support rods 154 is equal to 1/2-2/3 of the length of the left side rod 11, thereby being beneficial to improving the support strength, reducing the material consumption and reducing the overall weight. As a specific embodiment, in order to improve the structure and supporting strength of the supporting frame 1, the utility model discloses still make the left side frame 15 set up the auxiliary column 155, go up down tube 156 and down tube 157, wherein, the auxiliary column 155 is equipped with two and makes its symmetric distribution in the outside of two diagonal braces 154, the both ends correspondence of auxiliary column 155 and vertical connecting rod 152 and left side pole 11 fixed connection, it is equipped with two and makes its symmetric distribution in the outside of two diagonal braces 154 to go up the tube 156, the both ends correspondence of going up the diagonal brace 156 and auxiliary column 155 and diagonal brace 154 fixed connection, down tube 157 is equipped with two and makes its symmetric distribution in the inboard of two diagonal braces 154, down tube 157 and last diagonal brace 156 collineatly and make its both ends correspondence and diagonal brace 154 and left side pole 11 fixed connection. As a specific embodiment, in order to improve the structure and the supporting stability of bracket 2, the utility model discloses fixed the auxiliary beam 25 of interval distribution around between left side roof beam 21 and right roof beam 22, fixed two supporting beams 26 of interval distribution around the downside of left side roof beam 21 and right roof beam 22 to set up deep floor respectively between two supporting beams 26 and left side roof beam 21 and right roof beam 22.

As a specific implementation mode, the utility model respectively fixes the upper padding plate 19 and the auxiliary supporting legs 110 which are distributed at intervals on the lower sides of the left rod 11 and the right rod 12, and makes the upper padding plate 19 made of rubber and makes the auxiliary supporting legs 110 coated with rubber; lower bolster plates 27 corresponding to the upper bolster plates are fixed to the upper sides of the left and right side members 21 and 22, respectively, and the bolster 4 is positioned directly above the upper bolster plates 19 and the lower bolster plates 27. The structure can effectively avoid the problem that the bracket 1 and the bracket 2 are not firmly jointed due to horizontal errors by arranging the upper backing plate 19, the auxiliary supporting feet 110 and the lower backing plate 27, improves the tightness of the combination of the upper backing plate and the bracket 2, can play a role in vibration buffering in the driving process of a vehicle, and improves the stability and the safety; by positioning the spacer 4 directly above the upper and lower pads 19, 27, the locking and biasing effect is improved. In practical application, the utility model discloses set up journal stirrup 31 respectively in the lower extreme both sides of short swing arm 32 usually to make extrusion arm 33 articulated with short swing arm 32 through U type jaw 333, and let the both sides wall correspondence of U type jaw 333 be in the upper end both sides of short swing arm 32, with the stability of assurance structure and action.

The above embodiments are only descriptions of the preferred embodiments of the present invention, and are not intended to limit the scope of the claimed invention, and various modifications made by those skilled in the art according to the technical solutions of the present invention should fall within the scope of the present invention as defined by the claims.

Claims (10)

1. A heavy vehicle battery supporting device comprises a support (1) and a bracket (2), and is characterized in that the support (1) comprises a left side rod (11) and a right side rod (12), a front and back cross rod (13) is fixed between the left side rod (11) and the right side rod (12) and is distributed at intervals, a positioning block (14) is fixed on the inner side of the left side rod (11) and the inner side of the right side rod (12) respectively, positioning holes are formed in the positioning block (14), a vertical left frame (15) and a vertical right frame (16) are correspondingly fixed on the left side rod (11) and the right side rod (12), a front and back upper cross rod (17) is fixed between the left frame (15) and the right frame (16) and is distributed at intervals, battery supporting pieces (18) made of angle steel are fixed on the inner sides of the left frame (15) and the right frame (16) respectively, the bracket (2) is fixed on a vehicle chassis, the positioning column (2) comprises a left side beam (21) and a right side beam (22) which are correspondingly positioned on the lower side rod (11) and the right side rod (12), a front and back cross beam (22) and a left side beam (21) which are fixed, a left side beam (23) and a right side beam (3) which are respectively, and a left side beam (21) which are fixed, and a left side beam locking mechanism which are respectively, locking mechanism (3) are including journal stirrup (31), short swing arm (32), extrusion arm (33) and long swing arm (34), journal stirrup (31) are fixed on crossbeam (23), the lower extreme of short swing arm (32) is articulated through round pin axle and journal stirrup (31), the one end of extrusion arm (33) is articulated through the upper end of round pin axle with short swing arm (32), the other end of extrusion arm (33) is fixed with briquetting (331) of pushing down left side pole (11) or right pole (12), long swing arm (34) are equipped with two and make its symmetric distribution in the both sides of extrusion arm (33), the lower extreme of two long swing arms (34) is articulated through round pin axle and crossbeam (23), the first half of two long swing arms (34) is articulated through the middle part of round pin axle and extrusion arm (33), it has drive cylinder (35) to articulate through the round pin axle between the upper end of two long swing arms (34).

2. The battery support device for the heavy-duty vehicle as claimed in claim 1, wherein the pressing block (331) is fixed at an end of the pressing arm (33) through a connecting bolt, a mounting hole (3311) for mounting the connecting bolt is formed in the pressing block (331), the mounting hole (3311) is a vertical strip-shaped hole, the pressing arm (33) is provided with a height-adjusting support portion (332) at an upper side position of the pressing block (331), and the height-adjusting support portion (332) is provided with a threaded hole (3321) for mounting the height-adjusting bolt.

3. The battery support device for heavy vehicles according to claim 2, wherein the lower end surface of the pressing block (331) is a cambered surface, the left side rod (11) and the right side rod (12) are respectively fixed with a cushion block (4) at the position corresponding to the pressing block (331), the lower side of the cushion block (4) is provided with a rubber gasket, and the upper side surface of the cushion block (4) is an inclined surface with the outer side higher than the inner side.

4. The battery support device for heavy vehicles according to claim 3, wherein the locking mechanisms (3) on the inner sides of the left side beam (21) and the right side beam (22) are respectively arranged at intervals along the front and back direction, the locking mechanisms (3) on the inner sides of the left side beam (21) and the right side beam (22) are symmetrically distributed on the left and right, the symmetrically distributed long swing arms (34) are correspondingly hinged with the piston rod and the cylinder body of the same driving cylinder (35), the air springs (36) are arranged between the symmetrically distributed squeezing arms (33), and the two ends of each air spring (36) are respectively connected with the pin shafts between the corresponding squeezing arm (33) and the corresponding short swing arm (32).

5. The battery support device for heavy vehicles according to claim 4, wherein the left frame (15) and the right frame (16) have the same structure, the left frame (15) comprises two corner posts (151), two longitudinal connecting rods (152), a middle post (153) and two diagonal braces (154), the corner posts (151) are correspondingly fixed at two ends of the left frame (11), the two ends of the longitudinal connecting rods (152) are correspondingly and fixedly connected with the two corner posts (151), the two ends of the middle post (153) are correspondingly and fixedly connected with the longitudinal connecting rods (152) and the left frame (11), the two diagonal braces (154) are symmetrically distributed at two sides of the middle post (153), the upper end of the diagonal brace (154) is fixedly connected with the upper end of the middle post (153), the lower end of the diagonal brace (154) is fixed on the left frame (11), and the distance between the lower ends of the two diagonal braces (154) is equal to 1/2-2/3 of the length of the left frame (11).

6. The vehicle battery support apparatus of claim 5, wherein the left frame (15) further comprises two auxiliary uprights (155), two upper diagonal rods (156) and two lower diagonal rods (157), the two auxiliary uprights (155) are symmetrically disposed outside the two diagonal rods (154), the two ends of the auxiliary uprights (155) are fixedly connected to the longitudinal links (152) and the left side rod (11), the two upper diagonal rods (156) are symmetrically disposed outside the two diagonal rods (154), the two ends of the upper diagonal rod (156) are fixedly connected to the auxiliary uprights (155) and the diagonal rods (154), the two ends of the lower diagonal rod (157) are coaxially disposed inside the two diagonal rods (154), and the two ends of the lower diagonal rod (157) are fixedly connected to the upper diagonal rod (156) and the diagonal rods (154) and the left side rod (11).

7. The battery support device for heavy vehicles according to claim 4, wherein auxiliary beams (25) are fixed between the left side beam (21) and the right side beam (22) and are distributed at intervals in the front-back direction, two support beams (26) are fixed on the lower sides of the left side beam (21) and the right side beam (22) and are distributed at intervals in the front-back direction, and reinforcing rib plates are respectively arranged between the two support beams (26) and the left side beam (21) and the right side beam (22).

8. The battery support device for the heavy vehicle according to claim 4, wherein an upper backing plate (19) and an auxiliary support foot (110) are fixed on the lower sides of the left side rod (11) and the right side rod (12) at intervals, the upper backing plate (19) is made of rubber, and the auxiliary support foot (110) is coated with rubber; the upper sides of the left side beam (21) and the right side beam (22) are respectively fixed with a lower cushion plate (27) corresponding to the upper cushion plate (19), and the cushion block (4) is located right above the upper cushion plate (19) and the lower cushion plate (27).

9. The battery support device for heavy vehicles according to claim 4, wherein the short swing arm (32) is provided with lugs (31) at both sides of the lower end thereof, the pressing arm (33) is hinged with the short swing arm (32) through a U-shaped fork (333), and the two side walls of the U-shaped fork (333) are correspondingly positioned at both sides of the upper end of the short swing arm (32).

10. The battery support device for heavy vehicles according to claim 4, wherein the battery supports (18) on the left frame (15) and the right frame (16) are respectively provided in a plurality at intervals up and down, the battery supports (18) on the left frame (15) and the right frame (16) are symmetrically distributed, the battery supports (18) are provided with a plurality of fixing holes (181), and the battery supports (18) are provided with the connecting nuts (182) at positions below the fixing holes (181).

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