CN209803252U - Test trolley and test system - Google Patents

Abstract

The utility model discloses a test trolley and test system relates to test equipment technical field. The utility model provides a test trolley, which comprises a frame structure, a roller component, a guardrail component, a driving component, an electric control component and a power distribution component; the roller assembly is arranged on the frame structure and used for supporting the equipment to be tested, the frame structure is provided with a hook mechanism used for being matched with a carrying trolley, the driving assembly is electrically connected with the electric control assembly and arranged on the frame structure, the electric control assembly is used for controlling the working state of the driving assembly, the driving assembly is used for driving the frame structure to move, the guardrail assembly is arranged on the frame structure, the power distribution assembly is arranged on the frame structure and used for being matched with a test production line in an electric mode, and the power distribution assembly is used for supplying power to the. The utility model also provides a test system including test trolley. The utility model provides a test trolley and test system can adopt automatic transport, reduces the manpower delivery cost to can promote the efficiency of software testing of test trolley.

Description

Test trolley and test system

Technical Field

The utility model relates to a test equipment technical field particularly, relates to test trolley and test system.

Background

And the server cabinet or the network cabinet or the plug-in frame provided with the router single board and the like can be put in storage only after being tested. At present, test equipment gets electricity to test on a fixed test station, and after the test of a single station is finished, the previous test equipment needs to be moved away to move into the next equipment for testing, so that the test efficiency is low. And need the manual work to carry test equipment to appointed fixed test station, increased the manpower distribution cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a test trolley, it can adopt automatic transport, reduces the manpower delivery cost to can promote test trolley's efficiency of software testing.

the utility model provides a technical scheme about test trolley:

A test trolley is used for testing equipment to be tested and comprises a frame structure, a roller assembly, a guardrail assembly, a driving assembly, an electric control assembly and a power distribution assembly; the roller assembly is arranged on the frame structure and used for supporting the equipment to be tested, the frame structure is provided with a hook mechanism used for being matched with a carrying trolley, the driving assembly is electrically connected with the electric control assembly and arranged on the frame structure, the electric control assembly is used for controlling the working state of the driving assembly, the driving assembly is used for driving the frame structure to move, the guardrail assembly is arranged on the frame structure, the power distribution assembly is arranged on the frame structure and used for being electrically matched with a test production line, and the power distribution assembly is used for supplying power to the equipment to be tested.

Further, the frame structure comprises a first frame, a second frame and a connecting frame, the connecting frame is located between the first frame and the second frame and is respectively connected with the first frame and the second frame, the first frame, the connecting frame and the second frame enclose a gap, and the first frame is provided with the hook mechanism; the roller assembly is close to the notch and is respectively connected with the first frame, the connecting frame and the second frame, the power distribution assembly is arranged on the first frame and the connecting frame, the guardrail assembly is arranged on the first frame and the second frame, and the electric control assembly is arranged on the second frame.

Further, the distribution subassembly includes socket module and brush module, socket module set up in connect on the frame, the brush module set up in on the first frame, socket module with the brush module electricity is connected, the brush module is used for producing the line electricity with the test and is connected, socket module is used for right the equipment power supply of awaiting measuring.

Further, the brush module includes mounting plate, solid fixed splint and activity current conducting plate, gu fixed splint pass through mounting plate with first framework insulation connection, gu fixed splint with the activity current conducting plate corresponds the setting, the activity current conducting plate with gu fixed splint swing joint and with the socket module electricity is connected, the activity current conducting plate be used for with the test is produced the line electricity and is connected.

Further, the guardrail component comprises a first guardrail, a second guardrail and a connecting guardrail, the first guardrail is arranged on the first frame, the second guardrail is arranged on the second frame and covers the electric control component, and the connecting guardrail is respectively connected with the first guardrail and the second guardrail.

Further, the test trolley further comprises an anti-tilting mechanism, and the anti-tilting mechanism is arranged on the first frame and the second frame and faces the notch.

Further, the test trolley further comprises an adjustable guide rod, and the adjustable guide rod is close to the roller assembly and arranged on the frame structure.

Further, the test trolley further comprises an anti-collision assembly, wherein the anti-collision assembly is close to the hook mechanism and arranged on the frame structure.

Optionally, the test trolley can further comprise a guide assembly, the guide assembly is close to the power distribution assembly, and the guide assembly is used for being in sliding fit with the test production line.

Another object of the utility model is to provide a test system, it can adopt automatic transport, reduces the manpower delivery cost to can promote the efficiency of software testing of test platform truck.

The utility model provides a technical scheme about test system:

A test system comprises a test production line and a plurality of test trolleys, wherein each test trolley comprises a frame structure, a roller assembly, a guardrail assembly, a driving assembly, an electric control assembly and a power distribution assembly; the roller assembly is arranged on the frame structure and used for supporting the equipment to be tested, the frame structure is provided with a hook mechanism used for being matched with a carrying trolley, the driving assembly is electrically connected with the electric control assembly and arranged on the frame structure, the electric control assembly is used for controlling the working state of the driving assembly, the driving assembly is used for driving the frame structure to move, the guardrail assembly is arranged on the frame structure, the power distribution assembly is arranged on the frame structure and is electrically matched with a test production line, and the power distribution assembly is used for supplying power to the equipment to be tested.

The utility model provides a test trolley and test system: the hook mechanism can be convenient for the matching of the test trolley and the carrying trolley so as to deliver the test trolley through the carrying trolley; the driving assembly is used for driving the test trolley to move, and automatic operation of the test trolley can be achieved. The power distribution assembly can be electrically matched with a test production line and can supply power to the equipment to be tested, and then the equipment to be tested is tested. The utility model provides a test trolley and test system can adopt automatic transport, reduces the manpower delivery cost to can promote the efficiency of software testing of test trolley.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below. It is appreciated that the following drawings depict only certain embodiments of the invention and are therefore not to be considered limiting of its scope. For a person skilled in the art, it is possible to derive other relevant figures from these figures without inventive effort.

Fig. 1 is a schematic structural diagram of a test trolley according to an embodiment of the present invention at a first viewing angle;

fig. 2 is a schematic structural diagram of a test trolley according to an embodiment of the present invention at a second viewing angle;

Fig. 3 is a schematic structural diagram of a test system according to an embodiment of the present invention;

Fig. 4 is a schematic structural view of the test trolley and the carrying trolley according to the embodiment of the present invention;

FIG. 5 is a schematic structural view of the frame structure of FIG. 1 or FIG. 2;

Fig. 6 is a schematic structural diagram of a test trolley according to an embodiment of the present invention at a third viewing angle;

FIG. 7 is an enlarged view of VII in FIG. 1;

FIG. 8 is a schematic structural view of the blocking mechanism of FIG. 1 or FIG. 2;

FIG. 9 is a schematic structural view of the brush module shown in FIG. 1 or FIG. 2;

Fig. 10 is a schematic structural diagram of a test trolley according to an embodiment of the present invention at a fourth viewing angle;

Fig. 11 is an enlarged schematic view at XI in fig. 1.

Icon: 10-a test system; 11-a test trolley; 12-test production line; 13-a device to be tested; 14-carrying trolley; 100-a frame structure; 110-a first frame; 120-a second frame; 130-connecting the frame; 140-a notch; 150-a hook mechanism; 200-a roller assembly; 210-a first roller set; 220-a second roller set; 230-a third roller set; 240-reinforcing rib plate; 300-a guardrail assembly; 310-a first guardrail; 320-a second guardrail; 330-connecting guardrails; 400-a drive assembly; 410-directional wheel set; 411-motor; 412-one-way bearing; 413-a rotating wheel; 420-universal wheel group; 500-an electronic control assembly; 600-a power distribution assembly; 610-a socket module; 620-brush module; 621-mounting a bottom plate; 622-fixed splint; 623-a movable conductive plate; 700-anti-roll mechanism; 710-an adjustable guide bar; 720-a blocking mechanism; 721-blocking the mounting plate; 722-a blocking baffle; 730-a collision avoidance component; 731-crashproof strips; 732-crashproof buffer glue; 740-a guide assembly; 741-a lifting mechanism; 742-a guide; 750-three color lamp.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The following describes in detail embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1 to fig. 6, the present embodiment provides a test trolley 11, which can adopt automatic transportation, reduce the labor distribution cost, and improve the test efficiency of the test trolley 11.

It should be noted that the test trolley 11 provided in this embodiment is used for testing the device to be tested 13, please refer to fig. 2, and in application, a test production line 12 capable of supplying power to the test trolley 11 may be provided to ensure that the test trolley 11 stably supplies power and keeps normal operation. The test production line 12 may be provided with a ground clamping rail and an electric rail, wherein the ground clamping rail of the test production line 12 is used for limiting the movement direction of the test trolley 11, for example, to keep the test trolley 11 moving linearly; the power rail of the test production line 12 is used for supplying power to the test trolley 11.

The test trolley 11 provided by the embodiment comprises a frame structure 100, a roller assembly 200, a guardrail assembly 300, a driving assembly 400, an electric control assembly 500 and a power distribution assembly 600; roller assembly 200 sets up on frame structure 100 and is used for supporting the equipment 13 that awaits measuring, frame structure 100 is provided with and is used for with floor truck 14 complex couple mechanism 150, drive assembly 400 is connected and sets up in frame structure 100 with automatically controlled subassembly 500 electricity, automatically controlled subassembly 500 is used for controlling drive assembly 400's operating condition, drive assembly 400 is used for driving frame structure 100 motion, guardrail assembly 300 sets up on frame structure 100, distribution assembly 600 sets up in frame structure 100 and is used for producing line 12 electricity cooperation with the test, distribution assembly 600 is used for supplying power to the equipment 13 that awaits measuring.

When the test carriage 11 is in use:

First, the device to be tested 13 is mounted on the frame structure 100 and supported by the drum assembly 200, and then the device to be tested 13 is electrically connected to the power distribution assembly 600. Wherein the guardrail assembly 300 is capable of protecting the device to be tested 13; the roller assembly 200 can reduce friction of the device to be tested 13 when being mounted on the test trolley 11, thereby facilitating the mounting of the device to be tested 13.

It will be appreciated that the transport of the device to be tested 13 to the test trolley 11 may be achieved by a forklift or a trolley 14.

Then, the hook mechanism 150 is pulled by the carrier cart 14 and the test cart 11 is moved to the entrance of the test line 12.

it should be noted that the test trolley 11 can be manually hauled to the entrance of the test production line 12, and the towing hook provided on the frame structure 100 can be conveniently engaged with the carrying trolley 14 or other carrying equipment.

Subsequently, after the test trolley 11 enters the inlet of the test production line 12, the carrying trolley 14 is separated from the test trolley 11 and leaves the inlet of the test production line 12, and the test trolley 11 enters the test production line 12 under the action of the driving assembly 400 and is matched with the test production line 12 (charging and electricity-taking test).

In addition, it should be noted that, the steps of the transportation cart 14 pulling the test trolley 11 and the test trolley 11 to enter the test production line 12 can be automatically completed, so as to reduce the labor cost and improve the test efficiency.

after the test carriage 11 enters the test line 12, the test operation can be performed. It should be noted that, after one of the test carriages 11 enters the test production line 12, the above steps are repeated to allow the next test carriage 11 to enter the test production line 12 for testing. That is, the test carriage 11 provided in this embodiment can perform a plurality of tests at the same time. The plurality of test carriages 11 are spaced apart from each other by a predetermined distance when performing the test operation simultaneously.

Referring to fig. 5, further, in the present embodiment, the frame structure 100 includes a first frame 110, a second frame 120 and a connecting frame 130, the connecting frame 130 is located between the first frame 110 and the second frame 120 and is respectively connected to the first frame 110 and the second frame 120, the first frame 110, the connecting frame 130 and the second frame 120 enclose a gap 140, and the first frame 110 is provided with a hooking mechanism 150; the roller assembly 200 is close to the gap 140 and is connected to the first frame 110, the connecting frame 130 and the second frame 120, respectively, the power distribution assembly 600 is disposed on the first frame 110 and the connecting frame 130, the guardrail assembly 300 is disposed on the first frame 110 and the second frame 120, and the electronic control assembly 500 is disposed on the second frame 120.

it will be appreciated that the first frame 110, the connecting frame 130 and the second frame 120 define a gap 140 therebetween, the gap 140 being configured to facilitate manual access by a manual forklift for manually accessing the device under test 13. The notch 140 is formed in a "C" shape or a "U" shape, and the roller assembly 200 is disposed along the notch 140, and is also formed in a "C" shape or a "U" shape as a whole.

It is understood that the gap 140 is used for assembling the device to be tested 13, and the docking sensor and the material inspection sensor may be disposed on the first frame 110 and the second frame 120; when the test trolley 11 moves forward to the corresponding production line, the test trolley can be automatically butted with the production line, so that materials can be automatically butted and conveyed.

Referring to fig. 6, in the present embodiment, the roller assembly 200 includes a first roller set 210, a second roller set 220 and a third roller set 230, the first roller set 210 is disposed on the first frame 110, the second roller set 220 is disposed on the second frame 120, and the third roller set 230 is disposed on the connecting frame 130. Optionally, a stiffener plate 240 may be provided at the corner where the drum assembly 200 is provided to ensure strength and durability. Further, for the third roller set 230, it may be provided as a motorized roller to assist in mounting and dismounting of the device to be tested 13.

With continued reference to fig. 1, the test trolley 11 may optionally further include an anti-roll mechanism 700, the anti-roll mechanism 700 being disposed on the first frame 110 and the second frame 120 and facing the notch 140.

It will be appreciated that the gap 140 is used to place the device under test 13 and the anti-tip mechanism 700 is used to prevent the device under test 13 from tipping over. Further, in this embodiment, the anti-roll mechanism 700 is an L-shaped bar and faces the notch 140 and the device to be tested 13. The anti-roll mechanisms 700 may be four in number and arranged opposite to each other two by two.

Optionally, the test trolley 11 may further include an adjustable guide bar 710, the adjustable guide bar 710 being disposed adjacent to the roller assembly 200 and on the frame structure 100.

It should be noted that the adjustable guide bar 710 and the anti-tilt mechanism 700 can be used together to further accurately position and prevent the device under test 13 from tilting. In addition, the adjustable guide bars 710 may be two and oppositely disposed on the first frame 110 and the second frame 120.

referring to fig. 1, fig. 7 and fig. 8, optionally, a blocking mechanism 720 may be disposed at the opening of the notch 140 to block the device to be tested 13 from sliding off during movement. Further, the blocking mechanism 720 includes a blocking mounting plate 721 and a blocking flap 722, the blocking mounting plate 721 being connected to the frame structure 100 and enclosing a movable chamber having two outlets through which the blocking flap 722 slides and protrudes. The blocking shutter 722 is slidably disposed in and protrudes from the movable chamber, and the protruding portion serves to block and limit the device to be tested 13. The blocking shutter 722 may be an L-shaped plate structure, one arm of the L-shape slides along one of the outlets of the movable chamber, and the other arm protrudes from the other outlet, and the blocking position is adjusted when the blocking shutter 722 slides, so as to ensure a blocking limit for the device to be tested 13.

referring to fig. 1, fig. 2 and fig. 6, in the present embodiment, the power distribution assembly 600 includes a socket module 610 and a brush module 620, the socket module 610 is disposed on the connecting frame 130, the brush module 620 is disposed on the first frame 110, the socket module 610 is electrically connected to the brush module 620, the brush module 620 is configured to be electrically connected to the test production line 12, and the socket module 610 is configured to supply power to the device to be tested 13.

Optionally, the socket module 610 may be provided with a plurality of sockets, which can be electrically connected with the plug of the device to be tested 13 to supply power to the device to be tested. The plurality of sockets may be arranged linearly or in an array, but may be arranged in other forms.

Referring to fig. 9, in the present embodiment, the brush module 620 includes a mounting base plate 621, a fixed clamp 622 and a movable conductive plate 623, the fixed clamp 622 is connected to the first frame 110 through the mounting base plate 621 in an insulated manner, the fixed clamp 622 and the movable conductive plate 623 are correspondingly disposed, the movable conductive plate 623 is movably connected to the fixed clamp 622 and electrically connected to the socket module 610, and the movable conductive plate 623 is used for electrically connecting to the test production line 12.

at this time, brush plates (see fig. 6) may be provided on the rails of the test line 12, the movable conductive plates 623 being capable of sliding along the brush plates, and the brush plates being electrically connected to the movable conductive plates 623, and the number of the brush plates being identical to the number of the movable conductive plates 623.

Referring to fig. 1, in the present embodiment, the guardrail assembly 300 includes a first guardrail 310, a second guardrail 320 and a connecting guardrail 330, the first guardrail 310 is disposed on the first frame 110, the second guardrail 320 is disposed on the second frame 120 and covers the electric control assembly 500, and the connecting guardrail 330 is connected to the first guardrail 310 and the second guardrail 320, respectively.

it should be noted that the second protection rail 320 covers the outer side of the electronic control assembly 500 to protect the electronic control assembly 500. The electric control assembly 500 may be an electric control box including a battery, a power module, a driver, a control circuit, and the like, and the second frame 120 covers an outer side of the electric control box. The first guard rail 310 and the second guard rail 320 can also protect the device under test 13, and the connecting guard rail 330 can facilitate the test trolley 11 to be laid down, and can be used as a laying down frame or a handle.

Referring to fig. 10, in the present embodiment, the driving assembly 400 includes a directional wheel set 410 and a universal wheel set 420, the directional wheel set 410 is disposed at the bottom of the second frame 120, the universal wheel set 420 is disposed at the bottom of the first frame 110, the directional wheel set 410 is provided with a rotating wheel 413, a one-way bearing 412 and a motor 411, and the rotating wheel 413 is in transmission connection with the motor 411 through the one-way bearing 412.

With continued reference to fig. 1, the test trolley 11 may optionally further include a bump guard assembly 730, wherein the bump guard assembly 730 is disposed on the frame structure 100 near the hook mechanism 150.

The bumper assembly 730 can include a plurality of bumper strips 731, wherein a bumper strip 731 can be disposed on the power distribution assembly 600, such as on the side of the mounting base 621 of the brush module 620 in the power distribution assembly 600. Meanwhile, the bump guard assembly 730 may further be provided with a bump guard 732 positioned substantially in line with the hook mechanism 150 to cushion a possible impact between the carrier 14 and the test trolley 11.

In addition, a distance detection sensor may be disposed on a side surface of the frame structure 100 where the first frame 110 is engaged with the transport cart 14, and the distance detection sensor may be used to detect a distance between the transport cart 14 and the test cart 11, and may also be used to detect a distance between the next test cart 11 and the test cart 11, so as to maintain a set distance between two adjacent test carts 11 and prevent collision between the test carts 11.

Referring to fig. 2 and 11 in combination, the test trolley 11 may optionally further include a guide assembly 740, the guide assembly 740 being disposed adjacent to the power distribution assembly 600, the guide assembly 740 being configured to slidably engage with the test production line 12.

The guiding assembly 740 includes a lifting mechanism 741 and a guiding element 742, the lifting mechanism 741 is mounted on the frame structure 100, the guiding element 742 is in transmission connection with the lifting mechanism 741, and the guiding element 742 is configured to cooperate with the test production line 12 to ensure that the test trolley 11 runs along a predetermined track. The lifting mechanism 741 may be an electric push rod, and at this time, the electric control assembly 500 is electrically connected to the electric push rod and controls the working state of the electric push rod, and the electric push rod is used to drive the guide 742 to ascend or descend. The guide 742 may be a guide bearing, a guide round bar, a guide wheel, or the like.

Furthermore, the utility model provides a test trolley 11 can also have timing function, begins the timing when test production line 12 contacts with brush module 620 and gets the electricity, and the time timing of settlement finishes, controls test trolley 11 and leaves the test assembly line to dock with floor truck 14 who waits at the assigned position, or dock with subsequent technology production line.

furthermore, the utility model provides a test trolley 11 can also set up three-color lamp 750 to reflect test trolley 11's running state, three-color lamp 750 is connected with automatically controlled subassembly 500 electricity, and through automatically controlled subassembly 500 or the manual state of adjusting three-color lamp 750.

Referring to fig. 3, the present embodiment further provides a testing system 10, which includes a testing production line 12 and a plurality of the testing trolleys 11. The test trolley 11 is matched with the test production line 12 through the carrying trolley 14 and the driving assembly 400 of the test trolley and moves along the ground clamping rail, and therefore labor cost is reduced. The power rail of the test production line 12 can also supply power to the test trolley 11, so that the power supply requirement for testing the device to be tested 13 is met. The test production line 12 provided by the embodiment can test the devices to be tested 13 on the plurality of test trolleys 11 at the same time, and the test efficiency is improved.

Referring to fig. 1 to fig. 11, the test trolley 11 provided in the present embodiment has the following beneficial effects: the roller assembly 200 is used for supporting the device to be tested 13 and assisting in completing the mounting and dismounting of the device to be tested 13, and the hook mechanism 150 can facilitate the test trolley 11 to be matched with the carrying trolley 14 so as to distribute the test trolley 11 through the carrying trolley 14; the driving assembly 400 is used for driving the test trolley 11 to move, and can realize the automatic operation of the test trolley 11. The power distribution assembly 600 can be electrically matched with the test production line 12 and can supply power to the device to be tested 13, and then the device to be tested 13 is tested. The test trolley 11 and the test system 10 provided by the embodiment can adopt automatic conveying, reduce the labor distribution cost, and improve the test efficiency of the test trolley 11.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A test trolley is used for testing equipment to be tested and is characterized by comprising a frame structure, a roller assembly, a guardrail assembly, a driving assembly, an electric control assembly and a power distribution assembly; the roller assembly is arranged on the frame structure and used for supporting the equipment to be tested, the frame structure is provided with a hook mechanism used for being matched with a carrying trolley, the driving assembly is electrically connected with the electric control assembly and arranged on the frame structure, the electric control assembly is used for controlling the working state of the driving assembly, the driving assembly is used for driving the frame structure to move, the guardrail assembly is arranged on the frame structure, the power distribution assembly is arranged on the frame structure and used for being electrically matched with a test production line, and the power distribution assembly is used for supplying power to the equipment to be tested.

2. The test trolley of claim 1 wherein the frame structure includes a first frame, a second frame, and a connecting frame positioned between and connected to the first frame and the second frame, respectively, the first frame, the connecting frame, and the second frame defining a gap, the first frame providing the hook mechanism; the roller assembly is close to the notch and is respectively connected with the first frame, the connecting frame and the second frame, the power distribution assembly is arranged on the first frame and the connecting frame, the guardrail assembly is arranged on the first frame and the second frame, and the electric control assembly is arranged on the second frame.

3. The test trolley of claim 2, wherein the power distribution assembly comprises a socket module and a brush module, the socket module is disposed on the connecting frame, the brush module is disposed on the first frame, the socket module is electrically connected with the brush module, the brush module is used for being electrically connected with a test production line, and the socket module is used for supplying power to the device to be tested.

4. The test trolley according to claim 3, wherein the brush module comprises a mounting base plate, a fixed clamp plate and a movable conductive plate, the fixed clamp plate is connected with the first trolley frame in an insulating mode through the mounting base plate, the fixed clamp plate and the movable conductive plate are arranged correspondingly, the movable conductive plate is movably connected with the fixed clamp plate and electrically connected with the socket module, and the movable conductive plate is used for being electrically connected with the test production line.

5. the test trolley of claim 2, wherein the guardrail assembly comprises a first guardrail, a second guardrail and a connecting guardrail, the first guardrail is arranged on the first frame, the second guardrail is arranged on the second frame and covers the electric control assembly, and the connecting guardrail is respectively connected with the first guardrail and the second guardrail.

6. The test trolley of claim 2 further comprising an anti-roll mechanism disposed on the first frame and the second frame and facing the gap.

7. The test trolley of claim 1 further comprising an adjustable guide bar proximate the roller assembly and disposed on the frame structure.

8. The test trolley of claim 1 further comprising a bump guard assembly disposed on the frame structure proximate the hook mechanism.

9. The test trolley of claim 1 further comprising a guide assembly disposed proximate to the power distribution assembly, the guide assembly configured to slidingly engage the test production line.

10. A test system comprising a test production line and a plurality of test trolleys according to any one of claims 1 to 9, the power distribution assembly being electrically connected to the test production line.