CN215985198U

CN215985198U - High-low temperature lifting and translation platform for automobile tail door impact test

Info

Publication number: CN215985198U
Application number: CN202121783347.XU
Authority: CN
Inventors: 赖远福; 邹振宇; 肖伟; 张振
Original assignee: Dongguan Jingcheng Xingkong Technology Co ltd
Current assignee: Dongguan Jingcheng Xingkong Technology Co ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-08
Anticipated expiration: 2031-08-02

Abstract

A high and low temperature lifting and translation platform for an automobile tail gate impact test relates to the technical field of automobile tail gate test devices. The base platform assembly is arranged at the bottom of the lifting platform body, the lower inner frame assembly is composed of four lifting support rod bearing assemblies and is divided into two groups, each group of the lifting support rod bearing assemblies are movably hinged through the long shaft clamp spring assemblies, and the two ends of each group of the lifting support rod bearing assemblies are fixedly connected through the long shaft clamp spring assemblies. The utility model adopts the structure that the integral structure is a shear type lifting and translation module platform, the structure has the main advantages of large lifting multiple, the dynamometer component is installed on the X-axis linear module, the high and low temperature resistant motor and the high and low temperature resistant speed reducer drive the screw rod to drive the X-axis linear module to move through the synchronous pulley mechanism, and simultaneously the high and low temperature resistant motor and the high and low temperature resistant speed reducer drive the screw rod to drive the Z-axis linear module to move, so that the integral practicability is strong.

Description

High-low temperature lifting and translation platform for automobile tail door impact test

Technical Field

The utility model relates to the technical field of automobile tail gate test devices, in particular to a high-low temperature lifting and translation platform for an automobile tail gate impact test.

Background

With the rapid development of the automobile industry, the intellectualization and convenience of automobile use gradually become hot spots of automobile development. In recent years, the proportion of sport utility vehicles in the china automobile market has continued to increase. The development of the power tailgate is an inevitable process because the tailgate of the sports utility vehicle is large in size and it is particularly inconvenient for women to manually operate the tailgate.

The existing tail gate impact test bench is divided into a simple type and a complex type test bench. The simple test bench has the advantages that due to the fact that the design parameters and the adjustable range of the gravity center position of the tail gate are small, the adjusting distance is large, the real tail gate closing impact condition of an automobile and the tail gate closing impact condition of various different design parameters can not be simulated with high precision; although the complex test bench has rich functions and high measurement accuracy, the complex test bench has the disadvantages of complex structure, complex operation, high cost and high failure rate.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects and shortcomings of the prior art and provides a high-low temperature lifting and translation platform for an automobile tail gate impact test, and solves the problems in the background art, the utility model adopts a structure of a shear type lifting and translation module platform as an integral structure, the structure has the main advantages that the lifting multiple is large, the lifting multiple can be increased from 500mm to more than 1500mm, a dynamometer component is arranged on an X-axis linear module, a high-low temperature resistant motor and a high-low temperature resistant reducer drive a screw rod to drive an X-axis linear module to move through a synchronous pulley mechanism, and simultaneously, the screw rod is driven by the high-low temperature resistant motor and the high-low temperature resistant reducer drive the screw rod to drive a Z-axis linear module to move through the synchronous pulley mechanism, thereby realizing the simulation of the real tail gate closing impact condition of an automobile and the simulation of the tail gate closing impact conditions of various different design parameters, the integral operation is simple, the measurement precision is high, basically, the failure rate can not occur, the practicability is strong, and the market popularization value is high.

In order to achieve the purpose, the utility model adopts the following technical scheme: the lifting platform comprises a lifting platform body 1, wherein the lifting platform body 1 consists of a base platform component 11, a lower inner frame component 12, a middle inner frame component 13, an upper inner frame component 14, an assembly platform 15 and an electric cylinder 2, the base platform component 11 is arranged at the bottom of the lifting platform body 1, the lower inner frame component 12 consists of four lifting support rod bearing components 16 and is divided into two groups, each group of the two groups of the two lifting support rod bearing components 16 are movably hinged through long shaft snap spring components 17, the two ends of each group of the two groups of the lifting support rod bearing components are respectively arranged in parallel arrangement of the lifting support rod bearing components are respectively arranged through the two groups of the lifting support rod bearing components are all the two groups of the lifting support rod bearing components are respectively arranged through the two groups of the two long shaft assemblies 17 of the two groups, the middle inner frame assembly 13 is also divided into two groups by four lifting support rod bearing assemblies 16, each group is movably hinged through a short shaft clamp spring assembly 163, the top of the middle inner frame assembly 13 is movably connected with an upper inner frame assembly 14 through the lifting support rod bearing assemblies 16, the upper inner frame assembly 14 is also divided into two groups by four lifting support rod bearing assemblies 16, each group is movably hinged through a short shaft clamp spring assembly 163, one end of the top of the upper inner frame assembly 14 is fixedly connected with the assembly platform 15 through a rotating shaft top fixing assembly 164, the other end of the top of the upper inner frame assembly 14 is slidably connected with a second sliding rod 152 through a second sliding shaft fixing block 151, the second sliding rod 152 is fixedly arranged on the bottom surface of a first mounting plate 153, a group of electric cylinder tail swing shaft fixing rods 165 are arranged on the inner wall of one end of one group of lifting support rod bearing assemblies 16 of the lower inner frame assembly 12, and an electric cylinder tail swing cross rod 166 is connected between the electric cylinder tail swing shaft fixing rods 165, the middle part of the electric cylinder tail swing cross bar 166 is provided with a motor 2, the inner wall of one end of a group of lifting support rod bearing assemblies 16 of the upper inner frame assembly 14 is provided with a group of electric cylinder forward pushing shaft fixing rods 167, an electric cylinder forward pushing cross bar 168 is connected between the electric cylinder forward pushing shaft fixing rods 167, and the other end of the motor 2 is connected to the middle part of the electric cylinder forward pushing cross bar 168.

The general assembly platform 15 comprises a first mounting plate 153, a first screw 154, a third slide bar 155, a second mounting plate 156, a fixed block 157, a motor mounting plate 158, a first motor 159 and an upper cover 18, wherein one end of the first mounting plate 153 is fixedly provided with the fixed block 157 and the motor mounting plate 158, synchronous wheels 181 are respectively mounted on the fixed block 157 and the motor mounting plate 158, the motor mounting plate 158 is provided with the first motor 159, the first motor 159 is formed by combining a high and low temperature resistant motor and a high and low temperature resistant speed reducer, the first motor 159 is connected with the synchronous wheels 181 on the motor mounting plate 158, a first synchronous belt 182 is movably connected between the two synchronous wheels 181, the synchronous wheels 181 on the fixed block 157 are connected with the first screw 154, a nut mounting plate 183 is mounted at the position of the first screw 154 close to the synchronous wheels 181, a first nut 184 is mounted on the nut mounting plate 183, an X-axis slider 185 is mounted at the top of the nut mounting plate 183, the detector mounting plate 186 is installed at the top of the X-axis slider 185, a force measuring device assembly 187 is fixed on the detector mounting plate 186, a group of third slide bars 155 are symmetrically arranged on the left side and the right side of the first screw rod 154, the X-axis slider 185 is installed on the upper portion of the third slide bars 155, an inductor piece 188 is arranged on the outer side surface of the X-axis slider 185, micro-contact assemblies 189 which are correspondingly matched and connected with the inductor piece 188 are arranged at the left end and the right end of the first mounting plate 153 close to the inductor piece 188, two platform reinforcing ribs 180 are arranged on the bottom surface of the first mounting plate 153, and the upper cover 18 is installed at the top of the first mounting plate 153.

The electric cylinder 2 comprises an electric cylinder base 21, an electric cylinder upper cover 22, a second motor 23, an electric cylinder front bearing seat 24, a motor mounting seat 25, an electric cylinder tail swing bearing seat 26 and an electric cylinder bush fixing seat 27, wherein one end of the electric cylinder base 21 is fixedly provided with the motor mounting seat 25, one side of the motor mounting seat 25 is provided with the electric cylinder front bearing seat 24, the other side of the motor mounting seat 25 is provided with the electric cylinder tail swing bearing seat 26, the motor mounting seat 25 is provided with the second motor 23, the second motor 23 is formed by combining a high and low temperature resistant motor and a high and low temperature resistant speed reducer, one end of the second motor 23 is connected with a synchronous belt pulley 231, the middle part of the electric cylinder front bearing seat 24 is provided with a second lead screw 241, one side of the second lead screw 241 close to the motor mounting seat 25 is also provided with a synchronous belt pulley 231, a second synchronous belt 232 is connected between the synchronous belt pulley 231 on the second motor 23 and the synchronous belt 231 on the second lead screw 241, one end of the electric cylinder base 21 is fixedly provided with the electric cylinder bush fixing seat 27, an electric pole push rod 271 is arranged on one side of the electric cylinder bush fixing seat 27, an electric cylinder push rod bottom plate 272 is arranged on the other side of the electric cylinder bush fixing seat 27, the electric pole push rod 271 penetrates through the electric cylinder bush fixing seat 27 to be connected with the electric cylinder push rod bottom plate 272, a second nut 242 is arranged on one side, close to the electric cylinder push rod bottom plate 272, of the second lead screw 241, a lifting lead screw front seat pressing cover 243 is arranged on one side of the electric cylinder front seat 24, the second lead screw 241 penetrates through the lifting lead screw front seat pressing cover 243 and the electric cylinder front seat 24 respectively, a group of fourth slide rods 244 are arranged on the left side and the right side, located on the electric cylinder base 21, of the second lead screw 241, a third slide shaft fixing block 245 is movably mounted on the fourth slide rods 244, an electric cylinder upper cover 22 is arranged on the top of the electric cylinder base 21, one end of the electric cylinder upper cover 22 is connected with the electric cylinder push rod bottom plate 272, and the other end of the second nut 242 on the second lead screw 241.

And a connecting rod 19 is arranged among each group of lifting strut bearing assemblies 16 on the lower inner frame assembly 12, the middle inner frame assembly 13 and the upper inner frame assembly 14.

The left end and the right end of the lifting support rod bearing assembly 16 are both provided with end covers 233 and are fixed through fastening screws.

The left and right sides of base platform subassembly 11 all be provided with balancing weight 111, bracing piece 112 and universal wheel 113 are installed to the bottom of base platform subassembly 11.

The electric cylinder 2 adopts a high-low temperature 140 electric cylinder.

The lubricating grease used by the lifting platform body 1 is imported high-low temperature special grease.

The working principle of the utility model is as follows: when the device is used, a corresponding auxiliary quick pressing clamp is arranged on the detector mounting plate 186, then the force measuring component 187 is quickly installed and positioned on the X-axis slide block 185 through the quick pressing clamp, the force measuring component 187 is divided into vertical force test installation and horizontal force test installation, after the installation is finished, the first lead screw 154 is controlled by the first motor 159 to drive the X-axis slide block 185 to slide left and right on the third slide bar 155, the X-axis slide block 185 realizes the moving process of an X-axis linear module, the moving process is stopped by the induction of the front and rear sensor sheets 188 and the micro-contact component 189, the X-axis slide block 185 is continuously impacted for 3s during the work, the work moving speed is 30mm/s, the linear speed of an impacting object is 500mm/s, in the process that the force measuring component 187 is moved by the X-axis slide block 185, the electric cylinder 2 realizes the moving process of a Z-axis linear module, the second lead screw 241 is controlled by the second motor 23 to drive the electric pole push rod 271 to stretch back and forth, therefore, the telescopic adjustment of the position distance between the upper inner frame assembly 12, the middle inner frame assembly 13 and the upper inner frame assembly 14 is realized, the real tail door closing impact condition of the automobile is simulated through the lifting platform device, the tail door closing impact condition of various different design parameters is simulated, and the measurement precision is high.

After the technical scheme is adopted, the utility model has the beneficial effects that: the utility model adopts the structure that the integral structure is a shear type lifting and translation module platform, the structure has the main advantages of large lifting multiple and can be lifted to more than 1500mm from 500mm, a dynamometer component is arranged on an X-axis linear module, a high and low temperature resistant motor and a high and low temperature resistant speed reducer drive a screw rod to drive the X-axis linear module to move through a synchronous pulley mechanism, and simultaneously the high and low temperature resistant motor and the high and low temperature resistant speed reducer drive the screw rod to drive a Z-axis linear module to move through the synchronous pulley mechanism, thereby realizing the simulation of the real tail door closing impact condition of an automobile and the simulation of the tail door closing impact condition of various different design parameters.

Drawings

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

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic illustration of the exploded structure of the final assembly platform 15 of the present invention;

fig. 3 is a schematic view of the explosion structure of the electric cylinder 2 of the present invention;

FIG. 4 is a vertical force test installation of the force-measuring device assembly 187 of the present invention;

figure 5 is a horizontal force test installation of the force-measuring device assembly 187 of the present invention.

Description of reference numerals: lifting platform body 1, base platform component 11, balancing weight 111, support rod 112, universal wheel 113, lower inner frame component 12, middle inner frame component 13, upper inner frame component 14, assembly platform 15, second sliding shaft fixing block 151, second sliding rod 152, first mounting plate 153, first lead screw 154, third sliding rod 155, second mounting plate 156, fixing block 157, motor mounting plate 158, first motor 159, lifting support rod bearing component 16, first sliding shaft fixing block 161, first sliding rod 162, short shaft clamp spring component 163, rotating shaft top fixing component 164, electric cylinder tail swing shaft fixing rod 165, electric cylinder tail swing cross rod 166, electric cylinder forward push shaft fixing rod 167, electric cylinder forward push cross rod 168, long shaft clamp spring component 17, upper cover 18, platform reinforcing rib 180, synchronizing wheel 181, first synchronizing belt 182, nut mounting plate 183, first nut 184, X-axis slider 185, detector mounting plate 186, detector mounting plate, The device comprises a force measuring device component 187, an inductor sheet 188, a micro-contact component 189, a connecting rod 19, an electric cylinder 2, an electric cylinder base 21, an electric cylinder upper cover 22, a second motor 23, a synchronous pulley 231, a second synchronous belt 232, an end cover 233, an electric cylinder front bearing seat 24, a second lead screw 241, a second nut 242, a lifting lead screw front seat pressing cover 243, a fourth slide bar 244, a third slide shaft fixing block 245, a motor mounting seat 25, an electric cylinder tail swing bearing seat 26, an electric cylinder bush fixing seat 27, an electric pole push rod 271 and an electric cylinder push rod bottom plate 272.

Detailed Description

Referring to fig. 1 to 5, the technical solution adopted by the present embodiment is: the lifting platform comprises a lifting platform body 1, wherein the lifting platform body 1 consists of a base platform component 11, a lower inner frame component 12, a middle inner frame component 13, an upper inner frame component 14, an assembly platform 15 and an electric cylinder 2, the base platform component 11 is arranged at the bottom of the lifting platform body 1, the lower inner frame component 12 consists of four lifting support rod bearing components 16 and is divided into two groups, each group of the two groups of the two lifting support rod bearing components 16 are movably hinged through long shaft snap spring components 17, the two ends of each group of the two groups of the lifting support rod bearing components are respectively arranged in parallel arrangement of the lifting support rod bearing components are respectively arranged through the two groups of the lifting support rod bearing components are all the two groups of the lifting support rod bearing components are respectively arranged through the two groups of the two long shaft assemblies 17 of the two groups, the middle inner frame assembly 13 is also divided into two groups by four lifting support rod bearing assemblies 16, each group is movably hinged through a short shaft clamp spring assembly 163, the top of the middle inner frame assembly 13 is movably connected with an upper inner frame assembly 14 through the lifting support rod bearing assemblies 16, the upper inner frame assembly 14 is also divided into two groups by four lifting support rod bearing assemblies 16, each group is movably hinged through a short shaft clamp spring assembly 163, one end of the top of the upper inner frame assembly 14 is fixedly connected with the assembly platform 15 through a rotating shaft top fixing assembly 164, the other end of the top of the upper inner frame assembly 14 is slidably connected with a second sliding rod 152 through a second sliding shaft fixing block 151, the second sliding rod 152 is fixedly arranged on the bottom surface of a first mounting plate 153, a group of electric cylinder tail swing shaft fixing rods 165 are arranged on the inner wall of one end of one group of lifting support rod bearing assemblies 16 of the lower inner frame assembly 12, and an electric cylinder tail swing cross rod 166 is connected between the electric cylinder tail swing shaft fixing rods 165, the middle part of the electric cylinder tail swing cross bar 166 is provided with a motor 2, the inner wall of one end of a group of lifting support rod bearing assemblies 16 of the upper inner frame assembly 14 is provided with a group of electric cylinder forward pushing shaft fixing rods 167, an electric cylinder forward pushing cross bar 168 is connected between the electric cylinder forward pushing shaft fixing rods 167, and the other end of the motor 2 is connected to the middle part of the electric cylinder forward pushing cross bar 168.

Further, the assembly platform 15 includes a first mounting plate 153, a first lead screw 154, a third slide bar 155, a second mounting plate 156, a fixing block 157, a motor mounting plate 158, a first motor 159, and an upper cover 18, one end of the first mounting plate 153 is fixedly provided with the fixing block 157 and the motor mounting plate 158, synchronizing wheels 181 are mounted on the fixing block 157 and the motor mounting plate 158, the motor mounting plate 158 is provided with the first motor 159, the first motor 159 is formed by combining a high and low temperature resistant motor and a high and low temperature resistant reducer, the first motor 159 is connected with the synchronizing wheels 181 on the motor mounting plate 158, a first synchronizing belt 182 is movably connected between the two synchronizing wheels 181, the synchronizing wheels 181 on the fixing block 157 are connected with the first lead screw 154, a nut mounting plate 183 is mounted at a position of the first lead screw 154 close to the synchronizing wheels 181, a first nut 184 is mounted on the nut mounting plate 183, an X-axis slider 185 is mounted at the top of the nut mounting plate 183, the detector mounting plate 186 is installed at the top of the X-axis slider 185, a force measuring device assembly 187 is fixed on the detector mounting plate 186, a group of third slide bars 155 are symmetrically arranged on the left side and the right side of the first screw rod 154, the X-axis slider 185 is installed on the upper portion of the third slide bars 155, an inductor piece 188 is arranged on the outer side surface of the X-axis slider 185, micro-contact assemblies 189 which are correspondingly matched and connected with the inductor piece 188 are arranged at the left end and the right end of the first mounting plate 153 close to the inductor piece 188, two platform reinforcing ribs 180 are arranged on the bottom surface of the first mounting plate 153, and the upper cover 18 is installed at the top of the first mounting plate 153.

Further, the electric cylinder 2 comprises an electric cylinder base 21, an electric cylinder upper cover 22, a second motor 23, an electric cylinder front bearing seat 24, a motor mounting seat 25, an electric cylinder tail swing bearing seat 26 and an electric cylinder bush fixing seat 27, wherein one end of the electric cylinder base 21 is fixedly provided with the motor mounting seat 25, one side of the motor mounting seat 25 is provided with the electric cylinder front bearing seat 24, the other side of the motor mounting seat 25 is provided with the electric cylinder tail swing bearing seat 26, the motor mounting seat 25 is provided with the second motor 23, the second motor 23 is formed by combining a high and low temperature resistant motor and a high and low temperature resistant speed reducer, one end of the second motor 23 is connected with a synchronous pulley 231, the middle part of the electric cylinder front bearing seat 24 is provided with a second lead screw 241, one side of the second lead screw 241 close to the motor mounting seat 25 is also provided with a synchronous pulley 231, a second synchronous belt 232 is connected between the synchronous pulley 231 on the second motor 23 and the synchronous pulley 231 on the second lead screw 241, an electric cylinder bush fixing seat 27 is fixedly arranged at one end of the electric cylinder base 21, an electric pole push rod 271 is arranged at one side of the electric cylinder bush fixing seat 27, an electric cylinder push rod base plate 272 is arranged at the other side of the electric cylinder bush fixing seat 27, the electric pole push rod 271 penetrates through the electric cylinder bush fixing seat 27 to be connected with the electric cylinder push rod base plate 272, a second nut 242 is arranged at one side, close to the electric cylinder push rod base plate 272, of the second lead screw 241, a lifting lead screw front seat pressing cover 243 is arranged at one side of the electric cylinder front seat 24, the second lead screw 241 penetrates through the lifting lead screw front seat pressing cover 243 and the electric cylinder front seat 24 respectively, a group of fourth sliding rods 244 are arranged at the left side and the right side of the second lead screw 241 on the electric cylinder base 21, a third sliding shaft fixing block 245 is movably arranged on the fourth sliding rods 244, an electric cylinder upper cover 22 is arranged at the top of the electric cylinder base 21, one end of the electric cylinder upper cover 22 is connected with the electric cylinder push rod base plate 272, and the other end of the second nut 242 on the second lead screw 241.

Further, lower inner frame subassembly 12, well inner frame subassembly 13, go up and all install connecting rod 19 between every group lift branch bearing assembly 16 on the inner frame subassembly 14, strengthen the connection stability between every group lift branch bearing assembly 16, lift branch bearing assembly 16 about the tip all be provided with end cover 233 and fixed through fastening screw, prevent that lift branch bearing assembly 16's tip burr from causing the stabbing to the human body in the use, base platform subassembly 11 all be provided with balancing weight 111 in the left and right sides, guarantee lift platform body 1's stability in use, bracing piece 112 and universal wheel 113 are installed to base platform subassembly 11's bottom, can carry out position shifting with lift platform body 1 through universal wheel 113, electric jar 2 adopt high low temperature 140 electric jar.

Furthermore, the lubricating grease used by the lifting platform body 1 is imported high-low temperature special grease.

Further, the service environment of the lifting platform body 1 satisfies the environmental temperature: -40-85 ℃, humidity: low humidity.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a high low temperature goes up and down and translation platform for car tail-gate impact test which characterized in that: the lifting platform comprises a lifting platform body (1), wherein the lifting platform body (1) consists of a base platform assembly (11), a lower inner frame assembly (12), a middle inner frame assembly (13), an upper inner frame assembly (14), a final assembly platform (15) and an electric cylinder (2), the base platform assembly (11) is arranged at the bottom of the lifting platform body (1), the lower inner frame assembly (12) consists of four lifting support rod bearing assemblies (16) and is divided into two groups, each group of parallel devices are movably hinged through a long shaft clamp spring assembly (17), two ends of each group of lifting support rod bearing assemblies (16) are fixedly connected through the long shaft clamp spring assembly (17), one end of each group of lifting support rod bearing assemblies (16) is fixedly connected with one end of the base platform assembly (11), the other end of each group of lifting support rod bearing assemblies is slidably connected with a first sliding rod (162) through a first sliding shaft fixing block (161), the first sliding rod (162) is fixedly arranged at the other end of the base platform assembly (11), the top of the lower inner frame component (12) is movably connected with a middle inner frame component (13) through a lifting support rod bearing component (16), the middle inner frame component (13) is also divided into two groups by four lifting support rod bearing components (16), each group of parallel arrangement is movably hinged through a short shaft snap spring component (163), the top of the middle inner frame component (13) is movably connected with an upper inner frame component (14) through the lifting support rod bearing component (16), the upper inner frame component (14) is also divided into two groups by four lifting support rod bearing components (16), each group of parallel arrangement is movably hinged through the short shaft snap spring component (163), one end of the top of the upper inner frame component (14) is fixedly connected with a general assembly platform (15) through a rotating shaft top fixing component (164), the other end of the top of the upper inner frame component is slidably connected with a second sliding rod (152) through a second sliding shaft fixing block (151), the second sliding rod (152) is fixedly arranged on the bottom surface of a first mounting plate (153), a group of cylinder tail swing shaft fixing rods (165) are arranged on the inner wall of one end of a group of lifting support rod bearing assemblies (16) of the lower inner frame assembly (12), an electric cylinder tail swing cross rod (166) is connected between the electric cylinder tail swing shaft fixing rods (165), an electric cylinder (2) is installed in the middle of the electric cylinder tail swing cross rod (166), a group of electric cylinder forward push shaft fixing rods (167) are arranged on the inner wall of one end of a group of lifting support rod bearing assemblies (16) of the upper inner frame assembly (14), an electric cylinder forward push cross rod (168) is connected between the electric cylinder forward push shaft fixing rods (167), and the other end of the electric cylinder (2) is connected to the middle of the electric cylinder forward push cross rod (168).

2. The high and low temperature lifting and translating platform for the impact test of the automobile tail door according to claim 1, wherein: the general assembly platform (15) comprises a first mounting plate (153), a first screw rod (154), a third slide rod (155), a second mounting plate (156), a fixing block (157), a motor mounting plate (158), a first motor (159) and an upper cover (18), wherein one end of the first mounting plate (153) is fixedly provided with the fixing block (157) and the motor mounting plate (158), synchronizing wheels (181) are respectively mounted on the fixing block (157) and the motor mounting plate (158), the motor mounting plate (158) is provided with the first motor (159), the first motor (159) is formed by combining a high and low temperature resistant motor and a high and low temperature resistant speed reducer, the first motor (159) is connected with the synchronizing wheels (181) on the motor mounting plate (158), a first synchronizing belt (182) is movably connected between the two synchronizing wheels (181), the synchronizing wheels (181) on the fixing block (157) are connected with the first screw rod (154), the nut mounting plate (183) is installed at a position, close to the synchronizing wheel (181), of the first lead screw (154), a first nut (184) is installed on the nut mounting plate (183), an X-axis sliding block (185) is installed at the top of the nut mounting plate (183), a detector mounting plate (186) is installed at the top of the X-axis sliding block (185), a force measuring device component (187) is fixed on the detector mounting plate (186), a set of third sliding rods (155) are symmetrically arranged on the left side and the right side of the first lead screw (154), the X-axis sliding block (185) is installed on the upper portion of the third sliding rods (155), an inductor piece (188) is arranged on the outer side face of the X-axis sliding block (185), micro-contact components (189) which are correspondingly matched and connected with the inductor piece (188) are arranged at positions, close to the left end and the right end of the first mounting plate (153), two platform reinforcing ribs (180) are arranged on the bottom face of the first mounting plate (153), and an upper cover (18) is installed at the top of the first mounting plate (153).

3. The high and low temperature lifting and translating platform for the impact test of the automobile tail door according to claim 1, wherein: the electric cylinder (2) comprises an electric cylinder base (21), an electric cylinder upper cover (22), a second motor (23), an electric cylinder front bearing seat (24), a motor mounting seat (25), an electric cylinder tail swing bearing seat (26) and an electric cylinder bush fixing seat (27), wherein the motor mounting seat (25) is fixedly mounted at one end of the electric cylinder base (21), the electric cylinder front bearing seat (24) is mounted at one side of the motor mounting seat (25), the electric cylinder tail swing bearing seat (26) is mounted at the other side of the motor mounting seat, the second motor (23) is arranged on the motor mounting seat (25), the second motor (23) is formed by combining a high-low temperature resistant motor and a high-low temperature resistant speed reducer, one end of the second motor (23) is connected with a synchronous pulley (231), a second lead screw (241) is mounted in the middle of the electric cylinder front bearing seat (24), and a synchronous pulley (231) is also mounted at one side, close to the motor mounting seat (25), of the second lead screw (241), a second synchronous belt (232) is connected between a synchronous belt wheel (231) on the second motor (23) and a synchronous belt wheel (231) on the second lead screw (241), one end of an electric cylinder base (21) is fixedly provided with an electric cylinder bush fixing seat (27), one side of the electric cylinder bush fixing seat (27) is provided with an electric pole push rod (271), the other side of the electric cylinder bush fixing seat is provided with an electric cylinder push rod bottom plate (272), the electric pole push rod (271) penetrates through the electric cylinder bush fixing seat (27) to be connected with the electric cylinder push rod bottom plate (272), one side of the second lead screw (241) close to the electric cylinder push rod bottom plate (272) is provided with a second nut (242), one side of an electric cylinder front bearing seat (24) is provided with a lifting lead screw front seat pressing cover (243), the second lead screw (241) respectively penetrates through the lifting lead screw front seat pressing cover (243) to be connected with the electric cylinder front bearing seat (24), a group of fourth sliding rods (244) are arranged on the electric cylinder base (21) and positioned at the left side and the right side of the second lead screw (241), a third sliding shaft fixing block (245) is movably mounted on the fourth sliding rod (244), an electric cylinder upper cover (22) is arranged at the top of the electric cylinder base (21), one end of the electric cylinder upper cover (22) is connected with an electric cylinder push rod bottom plate (272), and the other end of the electric cylinder upper cover is connected with a second nut (242) on the second lead screw (241).

4. The high and low temperature lifting and translating platform for the impact test of the automobile tail door according to claim 1, wherein: and connecting rods (19) are arranged among each group of lifting support rod bearing assemblies (16) on the lower inner frame assembly (12), the middle inner frame assembly (13) and the upper inner frame assembly (14).

5. The high and low temperature lifting and translating platform for the impact test of the automobile tail door according to claim 1, wherein: the left end and the right end of the lifting support rod bearing assembly (16) are respectively provided with an end cover (233) and are fixed through fastening screws.

6. The high and low temperature lifting and translating platform for the impact test of the automobile tail door according to claim 1, wherein: the left side and the right side of the base platform assembly (11) are provided with balancing weights (111), and the bottom of the base platform assembly (11) is provided with a support rod (112) and universal wheels (113).