Compartment assembly and electric test vehicle

Abstract

The invention provides a compartment assembly and an electric power test vehicle, and relates to the technical field of electric power safety tool testing, a first wing plate is hinged to the side edge of a bottom plate, the rotation axis of the first wing plate is parallel to the length direction of the bottom plate, and the rotation track of the first wing plate comprises a first folding position and a first unfolding position; the first wing plate located at the first folding position is located in the compartment containing cavity, and the first wing plate located at the first unfolding position protrudes out of the compartment containing cavity. A transverse rod used for supporting the first wing plate is hinged to the bottom plate, the rotating axis of the transverse rod is parallel to the thickness direction of the bottom plate, the rotating track of the transverse rod comprises a second folding position and a second unfolding position, and the transverse rod located at the second folding position is located in the compartment containing cavity. The cross rod located at the second unfolding position abuts against the bottom of the first wing plate located at the first unfolding position; when the bottom plate is unfolded, the cross rod is screwed out of the compartment containing cavity to the second unfolding position, when the first wing plate is rotated to the first unfolding position, the bottom of the first wing plate abuts against the cross rod, and the first wing plate serves as an expansion platform of the bottom plate.

Description

Technical Field

[0001] The invention relates to the technical field of electric safety tool testing, and in particular to a compartment assembly and an electric test vehicle. Background Art

[0002] As an important part of the power system operation, electric tools are related to the safety and stability of the power grid and the reliability of power supply. In order to ensure the inspection quality of electric tools, different electric tools require different testing equipment. The electric test vehicle can store a variety of testing equipment and conduct electric tests directly in the body assembly of the electric test vehicle. The car body needs to be additionally designed to be able to be opened, flipped or translated in a variety of ways.

[0003] According to a technical solution known to the inventor, the existing electric test vehicle needs to unfold the first side panel of the compartment, and the operator takes out the support legs of the storage box in the test vehicle. When the compartment is unfolded, the first side panel of the compartment is supported by the support legs. When the first side panel of the compartment is stored in the box, the support legs need to be removed in advance and then put into the storage box of the test vehicle. The operation process is relatively cumbersome and consumes a lot of manpower. Summary of the invention

[0004] The purpose of the present invention is to provide a milling body assembly and an electric test vehicle to solve the problems existing in the above-mentioned prior art. Before the first wing panel rotates to the first unfolded position, the cross bar is first rotated out of the body accommodating cavity to make the cross bar reach the second unfolded position. When the first wing panel reaches the first unfolded position, the bottom of the first wing panel abuts against the cross bar to support the first wing panel so that the first wing panel can be used as an expansion platform of the base plate. There is no need for operators to frequently install and disassemble the supporting legs. The operation is convenient, manpower is saved, and the work efficiency is high.

[0005] To achieve the above object, the present invention provides the following solution: a box assembly is provided, comprising a bottom plate assembly located at the bottom of a box accommodating cavity, the bottom plate assembly comprising a bottom plate and a first wing plate hinged to a side of the bottom plate, the rotation axis of the first wing plate is parallel to the length direction of the bottom plate, the rotation track of the first wing plate comprises a first folded position and a first extended position, the first wing plate located at the first folded position is in the box accommodating cavity, and the first wing plate located at the first extended position protrudes from the box accommodating cavity;

[0006] A cross bar for supporting the first wing panel is hinged on the bottom plate, and the rotation axis of the cross bar is parallel to the thickness direction of the bottom plate. The rotation trajectory of the cross bar includes a second folded position and a second extended position. The cross bar at the second folded position is in the compartment accommodating cavity, and the cross bar at the second extended position abuts against the bottom of the first wing panel at the first extended position.

[0007] Preferably, it also includes a car body support platform for supporting the bottom plate, the bottom plate is arranged on the car body support platform through a bottom plate support member, the car body support platform includes a support platform protrusion protruding from the bottom plate in the width direction, the upward projection area of ​​the support platform protrusion is the first projection area, the projection area of ​​the bottom plate and the bottom plate support member in the width direction is the second projection area, the area where the first projection area intersects with the second projection area is a cross bar accommodating groove, the cross bar in the second folded position is located in the cross bar accommodating groove, and the cross bar accommodating groove includes a notch for the cross bar to rotate from the second folded position to the second unfolded position.

[0008] Preferably, the first wing plate located in the first folded position includes a portion protruding from the bottom plate in the width direction, which is a first wing plate protrusion, and the first wing plate protrusion is arranged opposite to the support platform protrusion, and the projection of the first wing plate protrusion to the support platform protrusion passes through the cross bar accommodating groove.

[0009] Preferably, there is a component accommodating gap between the cabin support platform and the bottom plate, and also includes a first hydraulic drive device for driving the first wing plate to rotate, the base of the first hydraulic drive device is located in the component accommodating gap and is fixedly connected to the bottom plate, and the piston rod of the first hydraulic drive device is connected to the first wing plate.

[0010] Preferably, the first wing panel includes a first sub-panel hinged to the bottom panel, a second sub-panel is hinged to the edge of the first sub-panel, a rotation axis of the second sub-panel is parallel to the rotation axis of the first sub-panel, and when the first wing panel is in the first unfolded position, the first sub-panel and the second sub-panel are laid flat on the cross bar.

[0011] Preferably, a strut accommodating groove is opened in the cross bar, a strut is hinged in the strut accommodating groove, the strut accommodating groove includes a notch for the strut to be screwed in or out, the rotation trajectory of the strut includes a third folded position and a third extended position, the strut in the third folded position is in the strut accommodating groove, and the strut in the third extended position is supported on a preset support surface.

[0012] Preferably, it also includes a top plate assembly, which includes a top plate arranged on the bottom plate, the top plate and the bottom plate being arranged opposite to each other, a front plate and a tail plate being respectively arranged on the front and rear sides of the top plate, the front plate and the tail plate being both connected to the car body supporting platform, a vertical telescopic rod for driving the top plate to move up and down is arranged in the car body accommodating cavity, the base of the vertical telescopic rod is fixedly connected to the car body supporting platform, the piston rod of the vertical telescopic rod is connected to the top plate, the moving trajectory of the top plate includes a first moving position and a second moving position, the second moving position is higher than the first moving position, and the top plate located at the first moving position abuts against the front plate and the tail plate at the same time.

[0013] Preferably, the side of the top panel is hinged with a first side panel corresponding to the first wing panel, the rotation axis of the first side panel is parallel to the length direction of the top panel, and the rotation trajectory of the first side panel includes a fourth folded position and a fourth expanded position; the first side panel located at the fourth expanded position is flush with the top panel, and the bottom of the first side panel located at the fourth folded position abuts against the compartment support platform.

[0014] Preferably, the two side edges of the bottom plate are respectively a first side edge and a second side edge, the first wing panel is hinged to the first side edge, the second side edge is hinged to the second wing panel, the rotation axis of the second wing panel is parallel to the length direction of the bottom plate, the rotation trajectory of the second wing panel includes a fifth extended position and a fifth folded position, the side edge of the top plate is hinged to a second side panel corresponding to the second wing panel, the rotation trajectory of the second side panel includes a sixth extended position and a sixth folded position, the top surface of the second wing panel at the fifth folded position abuts against the bottom surface of the second side panel at the sixth folded position.

[0015] An electric test vehicle includes a body assembly; a traction body for towing the body assembly to move, the traction body includes a cab, and the bottom plate is arranged at the rear of the cab; an isolation frame is arranged on the bottom plate, and the isolation frame separates the bottom plate into a first test area and a second test area.

[0016] Compared with the prior art, the present invention has achieved the following technical effects:

[0017] 1. Before the first wing rotates to the first unfolded position, the cross bar is first rotated out of the compartment accommodating cavity so that the cross bar reaches the second unfolded position. At this time, the top end surface of the cross bar forms a support surface for the first wing. The first wing rotates from the first folded position to the first unfolded position. When the first wing reaches the first unfolded position, the bottom of the first wing abuts against the cross bar. The cross bar can support the first wing so that the position of the first wing remains stable. The first wing can serve as an expansion platform for the bottom plate, so that the overall operating platform of the compartment is fully expanded. Moreover, during the folding and unfolding process of the first wing, the rotation of the cross bar can support the first wing and can also be folded into the compartment accommodating cavity without protruding to the outside of the compartment. In the present invention, there is no need for operators to frequently install and disassemble the support legs, and there is no need to frequently carry the support legs. The operation is convenient, manpower is saved, and the work efficiency is high.

[0018] 2. An isolation frame is provided on the bottom plate of the electric test vehicle, and the bottom plate is separated into a first test area and a second test area by the isolation frame. Electric test equipment can be arranged in the first test area and the second test area. By arranging the electric test equipment in zones, mutual interference between electric equipment can be reduced. The first wing panel located in the first deployed position can serve as the first expansion platform of the first test area.

[0019] Other technical solutions of the present invention have achieved the following technical effects compared with the prior art:

[0020] 3. A second wing panel is hinged on the other side of the bottom plate. The second wing panel in the deployed position serves as a second expansion platform of the bottom plate, and cooperates with the first expansion platform to make the electric test vehicle have good expandability.

[0021] 4. The bottom plate is connected to the car body support platform through the bottom plate support member. The car body support platform includes a support platform protrusion protruding from the bottom plate in the width direction. The upward projection area of ​​the support platform protrusion is the first projection area. The projection area of ​​the bottom plate and the bottom plate support member in the width direction is the second projection area. The area where the first projection area intersects the second projection area forms a cross bar accommodating groove. The cross bar located in the second folded position can be accommodated in the cross bar accommodating groove. The cross bar can be accommodated by the cross bar accommodating groove to prevent the cross bar from protruding from the car body.

[0022] 5. On the body support platform, the bottom plate is propped up by the bottom plate support members, and a component accommodating gap is provided between the bottom plate and the body support platform, and various components, such as the first hydraulic drive device, can be accommodated through the component accommodating gap.

[0023] 6. The first side panel can directly serve as a side closing panel of the compartment assembly to close the first wing panel in the folded position in the compartment accommodating cavity; the second side panel and the second wing panel in the folded position together constitute another side closing panel of the compartment assembly, and the side of the compartment accommodating cavity can be closed together by the second side panel and the second wing panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 It is an overall schematic diagram of the compartment assembly of the present invention;

[0026] Figure 2 for Figure 1 The enlarged view of point A in the middle;

[0027] Figure 3 It is a schematic diagram of another viewing angle of the whole box assembly of the present invention;

[0028] Figure 4 This is a schematic diagram of the electric test vehicle of the present invention with the first side panel omitted as a whole;

[0029] Figure 5 for Figure 4 Enlarged view of point B in the middle;

[0030] Figure 6 for Figure 4 Enlarged view of point C in the middle;

[0031] Figure 7 This is a schematic diagram from another perspective of the electric test vehicle of the present invention with the first side panel omitted as a whole;

[0032] Figure 8 for Figure 7 A partial enlarged view of point D in the middle;

[0033] Fig. 9 It is a schematic diagram of the overall structure of the vehicle body of the present invention;

[0034] Fig.10 It is a schematic diagram of the overall left rear view of the electric test vehicle of the present invention;

[0035] Fig.11 It is a schematic diagram of the overall right rear view of the electric test vehicle of the present invention;

[0036] Fig.12 It is a schematic diagram of the overall internal structure of the electric test vehicle of the present invention in a folded state;

[0037] Fig.13 It is a top view schematic diagram of the internal structure of the electric test vehicle of the present invention;

[0038] Fig.14 It is a schematic diagram of the overall internal structure of the electric test vehicle of the present invention when it is in an unfolded state.

[0039] 1. Bottom plate; 2. First wing plate; 3. Cross bar; 4. Carriage support platform; 5. Support platform protrusion; 6. Bottom plate support member; 7. First hydraulic drive device; 8. First sub-plate; 9. Second sub-plate; 10. Sub-plate hinge; 11. Gas spring; 12. Support rod receiving groove; 13. Support rod; 14. Top plate; 15. Vertical telescopic rod; 16. Front plate; 17. Tail plate; 18. First side plate; 19. Second wing plate; 20. Second side plate; 21. Second hydraulic drive device; 22. Ladder section; 23. Ladder back plate; 24. Tractor body; 25. Driver's cab; 26. Isolation frame; 27. First test area; 28. Second test area; 29. ​​First transformer; 30. Insulating rod electrometer integrated bracket; 31. Control cabinet; 32. Second transformer; 33. Insulating boots and gloves test bench; 34. Tensile testing machine; 35. Testing machine protection frame; 36. Guardrail; 37. Tool box. DETAILED DESCRIPTION

[0040] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0041] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0042] Embodiment 1:

[0043] Please refer to Figure 1-14As shown, in this embodiment, a box assembly is provided, including a box accommodating cavity in the box, and components are accommodated by the box accommodating cavity, so that the components are stored in the box. A bottom plate assembly is arranged at the bottom of the box accommodating cavity, and the bottom plate assembly includes a bottom plate 1 and a first wing plate 2. The first wing plate 2 is hinged on the side of the bottom plate 1, and the hinge axis of the first wing plate 2 and the bottom plate 1 is parallel to the length direction of the bottom plate 1. The first wing plate 2 can be folded up and down relative to the bottom plate 1. Preferably, the first wing plate 2 is hinged to the bottom plate 1 through a hinge. The rotation track of the first wing plate 2 includes a first folded position and a first unfolded position. The first wing plate 2 at the first folded position is stored in the box accommodating cavity, and the first wing plate 2 at the first unfolded position can protrude from the box accommodating cavity. The first wing plate 2 at the first unfolded position can serve as a first expansion platform of the bottom plate 1. Preferably, when the first wing plate 2 is at the first unfolded position, the top of the first wing plate 2 at the first unfolded position is flush with the top of the bottom plate 1. A cross bar 3 is hinged on the bottom plate 1, and the bottom plate 1 can be supported by the cross bar 3. The rotation axis of the cross bar 3 is parallel to the thickness direction of the bottom plate 1. Preferably, the cross bar 3 is also hinged to the side of the bottom plate 1, and the hinge point between the cross bar 3 and the bottom plate 1 is located below the hinge point between the first wing plate 2 and the bottom plate 1. The rotation trajectory of the cross bar 3 includes a second folded position and a second unfolded position. The cross bar 3 at the second folded position is in the compartment accommodating cavity, and the cross bar 3 at the second unfolded position abuts against the bottom of the first wing plate 2 at the first unfolded position. Preferably, the cross bar 3 at the second unfolded position can support and abut the first wing plate 2 at the first unfolded position, and the cross bar 3 can be locked on the first wing plate 2 through a locking mechanism.

[0044] Working principle: when the compartment is in the folded state, the first wing 2 and the cross bar 3 are respectively located in the first folded position and the second folded position, at which time the first wing 2 and the cross bar 3 are both located in the compartment accommodating cavity of the compartment; before the first wing 2 is unfolded outwards to the position, the cross bar 3 is first rotated out of the compartment accommodating cavity so that the cross bar 3 reaches the second unfolded position, at which time the top end surface of the cross bar 3 forms a supporting surface for the first wing 2. The first wing 2 rotates from the first folded position to the first unfolded position, and when the first wing 2 reaches the first unfolded position, the bottom of the first wing 2 abuts against the cross bar 3, preferably, the first wing 2 abuts against the supporting surface of the cross bar 3, and the first wing 2 can be supported by the cross bar 3, so that the position of the first wing 2 remains stable. The first wing panel 2 can serve as an expansion platform of the bottom plate 1, so that the overall operating platform of the compartment can be fully expanded. Moreover, during the folding and unfolding process of the first wing panel 2, the first wing panel 2 can be supported by the rotation of the cross bar 3 while being folded into the compartment accommodating cavity. The operator does not need to frequently install and disassemble the support legs, and does not need to frequently carry the support legs. The operation is convenient, manpower is saved, and the work efficiency is high.

[0045] In this embodiment, the body assembly also includes a body support platform 4 arranged below the bottom plate 1, the body support platform 4 can support the bottom plate 1, the bottom plate 1 is connected to the body support platform 4 through the bottom plate support member 6, the body support platform 4 includes a support platform protrusion 5 protruding from the bottom plate 1 in the width direction, the upward projection area of ​​the support platform protrusion 5 is the first projection area, the projection area of ​​the bottom plate 2 and the bottom plate support member 6 in the width direction is the second projection area, the area where the first projection area intersects with the second projection area forms a crossbar accommodating groove, the crossbar 3 located in the second folded position can be accommodated in the crossbar accommodating groove, and the crossbar accommodating groove is located in the body accommodating area. The crossbar accommodating groove includes a notch for the crossbar 3 to rotate from the second folded position to the second unfolded position. The crossbar 3 can be accommodated by the crossbar accommodating groove to prevent the crossbar 3 from protruding from the body. Preferably, the surface of the bottom plate 1 located in the crossbar receiving groove is the first connection surface, the surface of the bottom plate support member 6 located in the receiving groove is the second connection surface, and the crossbar 3 can be arranged on the first connection surface and the second connection surface at the same time. That is, the crossbar 3 can be arranged on the bottom plate 1 and the bottom plate support member 6 at the same time.

[0046] In this embodiment, the first wing panel 2 located in the first folded position includes a first wing panel protrusion protruding from the bottom plate 1 in the width direction. Preferably, when the first wing panel 2 is located in the first folded position, the bottom of the first wing panel 2 can be flush with the upper surface of the bottom plate 1, and a part of the bottom of the first wing panel 2 can be directly supported on the upper surface of the bottom plate 1 as a supporting portion, ensuring the reliability and stability of the support for the first wing panel 2. The other part of the bottom of the first wing panel 2 is located on the outer side of the bottom plate 1 as the first wing panel protrusion, and the supporting portion of the first wing panel 2 and the first wing panel protrusion are arranged along the width direction. The first wing panel protrusion is arranged opposite to the support platform protrusion 5, and the projection of the first wing panel protrusion to the support platform protrusion 5 can pass through the crossbar accommodating groove. Preferably, the first wing panel protrusion is located above the crossbar accommodating groove.

[0047] In this embodiment, on the body support platform 4, the bottom plate 1 is propped up by the bottom plate support member 6, and a component accommodating gap is provided between the bottom plate 1 and the body support platform 4. The bottom plate 1 is arranged on the body support platform 4 through the bottom plate support member 6. The body assembly also includes a first hydraulic drive device 7, which can drive the first wing plate 2 to rotate. The base of the first hydraulic drive device 7 is fixedly provided at the bottom of the bottom plate 1, and the base of the first hydraulic drive device 7 is provided in the component accommodating gap. The piston rod of the first hydraulic drive device 7 is fixedly connected to the bottom of the first wing plate 2, and the telescopic rod can extend out of the component accommodating gap to drive the first wing plate 2 to rotate.

[0048] In this embodiment, the first wing panel 2 includes a first sub-panel 8 and a second sub-panel 9. The first sub-panel 8 is directly hinged to the bottom panel 1, and the piston rod of the first hydraulic drive device 7 is directly fixedly connected to the bottom of the first sub-panel 8. The second sub-panel 9 is hinged to the first sub-panel 8, and the rotation axis of the second sub-panel 9 can be parallel to the rotation axis of the first sub-panel 8. The second sub-panel 9 can be folded relative to the first sub-panel 8. When the first wing panel 2 is located at the first unfolded position, the second sub-panel 9 can be flush with the first sub-panel 8. The first sub-panel 8 and the second sub-panel 9 located at the unfolded position are laid flat on the cross bar 3, and the first sub-panel 8 and the second sub-panel 9 are supported by the cross bar 3. When the first wing panel 2 is located at the first folded position, the second sub-panel 9 can be attached to the first sub-panel 8, and the second sub-panel 9 can be arranged vertically with the first sub-panel 8. Preferably, the second sub-panel 9 is stacked with the first sub-panel 8, and the second sub-panel 9 is attached to the outer side of the first sub-panel 8. Preferably, the first sub-panel 8 and the second sub-panel 9 are connected by a sub-panel hinge 10.

[0049] Preferably, the driving member for driving the second sub-plate 9 to rotate relative to the first sub-plate 8 is a hydraulic driving device, and the hydraulic driving device is preferably a gas spring 11, the base of the gas spring 11 is fixedly arranged on the bottom surface of the first sub-plate 8, and the piston rod of the gas spring 11 is connected to the bottom surface of the second sub-plate 9. During operation, the cross bar 3 is rotated to the second unfolded position in advance, and when the first hydraulic driving device 7 drives the first sub-plate 8 to rotate outward from the compartment accommodating cavity, the gas spring 11 is unlocked, and the piston rod of the gas spring 11 extends, and the gas spring 11 can drive the second sub-plate 9 to rotate relative to the first sub-plate 8. When the second sub-plate 9 is flush with the first sub-plate 8, the first sub-plate 8 can abut against the second sub-plate 9. At this time, the first sub-plate 8 and the second sub-plate 9 are also in the first unfolded position, and the first sub-plate 8 and the second sub-plate 9 can be laid flat on the cross bar 3, and the first sub-plate 8 and the second sub-plate 9 can be supported by the cross bar 3. Preferably, the length of the crossbar 3 is greater than the width of the first sub-panel 8 , and the length of the crossbar 3 is close to the total width of the first sub-panel 8 and the second sub-panel 9 , so that the first sub-panel 8 and the second sub-panel 9 can be effectively supported by the crossbar 3 .

[0050] In this embodiment, a support rod receiving groove 12 is provided in the cross bar 3, and a support rod 13 is hinged in the support rod receiving groove 12. The rotation trajectory of the support rod 13 includes a third folded position and a third unfolded position. The support rod 13 in the third folded position can be retracted in the support rod receiving groove 12, and the bottom of the support rod 13 in the third unfolded position can be supported on a preset support surface. For example, it can be supported on the ground. Preferably, the support rod 13 in the third unfolded position is in a vertical state, and the axis of the support rod 13 is perpendicular to the axis of the cross bar 3 at this time, and the cross bar 3 is in a horizontal state.

[0051] In this embodiment, there are three cross bars 3 in total, and each cross bar 3 is hinged with a support rod 13. The three cross bars 3 are evenly arranged on the bottom plate 1.

[0052] In this embodiment, the box assembly also includes a top plate assembly, which includes a top plate 14, which is arranged opposite to the bottom plate 1, and the top plate 14 is arranged on the bottom plate 1. Preferably, the top plate 14 is arranged on the bottom plate 1 through a vertical telescopic rod 15, and the vertical telescopic rod 15 can drive the top plate 14 to move up and down. A front plate 16 is arranged on the front side of the top plate 14, and a tail plate 17 is arranged on the rear side of the top plate 14. The front plate 16 and the tail plate 17 are both arranged on the box support platform 4. Preferably, the front plate 16 and the tail plate 17 are both arranged vertically and parallel to the thickness direction of the bottom plate 1, and the front plate 16 and the tail plate 17 are both fixedly connected to the box support platform 4. The movement direction of the vertical telescopic rod 15 is parallel to the thickness direction of the bottom plate 1, and the side wall of the cylinder of the vertical telescopic rod 15 can be fixedly connected to the corresponding front plate 16 or the corresponding tail plate 17. The cylinder of the vertical telescopic rod 15 can be supported by the front plate 16 and the tail plate 17. The moving direction of the top plate 14 is parallel to the thickness direction of the bottom plate 1. The moving track of the top plate 14 includes a first moving position and a second moving position, and the second moving position is higher than the first moving position. When the top plate 14 is in the first moving position, the top plate 14 can abut against the front plate 16 and the rear plate 17 at the same time, preferably in a sealed abutment. The top plate 14 can be locked with the front plate 16 and the rear plate 17 by a locking mechanism to ensure the stability of the top plate 14, the front plate 16 and the rear plate 17. When the top plate 14 moves, the locking mechanism is unlocked first. The top plate 14, the front plate 16 and the rear plate 17 can be used to close the top, front and rear of the box accommodating cavity. When the top plate 14 is in the second movement position, the top plate 14 is higher than the front plate 16 and the rear plate 17, and there is an opening between the top plate 14 and the front plate 16 and the rear plate 17, which directly connects the box housing cavity with the external environment. At this time, there is a sufficient insulation distance between the top plate 14 and the bottom plate 1 to prevent the top plate 14 from interfering with the electrical equipment on the bottom plate 1.

[0053] In this embodiment, the side of the top plate 14 is hinged with a first side plate 18. The first side plate 18 and the first wing plate 2 are both arranged on the left side of the vehicle body. The first side plate 18 corresponds to the first wing plate 2 up and down. The rotation axis of the first side plate 18 is parallel to the length direction of the top plate 14. Preferably, the rotation axis of the first side plate 18 is also parallel to the rotation direction of the first wing plate 2. The rotation trajectory of the first side plate 18 includes a fourth folded position and a fourth unfolded position. The first side plate 18 in the fourth unfolded position is flush with the top plate 14. At this time, the combination of the first side plate 18 and the top plate 14 is an upper total plate. When the first wing plate 2 is in the first unfolded position, the combination of the first wing plate 2 and the bottom plate 1 is a lower total plate. The upper total plate is arranged opposite to the lower total plate. Preferably, the coverage area of ​​the upper total plate is greater than the support area on the lower total plate. When the first side plate 18 is in the fourth folded position, the first side plate 18 is in a vertical state, and the bottom of the first side plate 18 can abut against the vehicle body support platform 4. Preferably, the first side plate 18 can completely cover the side of the compartment support platform 4, and the first side plate 18 can close the side of the compartment accommodating cavity.

[0054] In this embodiment, the two sides of the bottom plate 1 are respectively the first side and the second side. Preferably, the first side is the left side of the bottom plate 1, and the second side is the right side of the bottom plate 1. The first wing plate 2 is hinged to the first side of the bottom plate 1. The second wing plate 19 is hinged to the second side of the bottom plate 1. The width of the second wing plate 19 is smaller than the width of the first wing plate 2. The second wing plate 19 is driven to rotate by the second hydraulic drive device 21. Preferably, the base of the second hydraulic drive device 21 is fixedly connected to the top surface of the bottom plate 1, and the piston rod of the second hydraulic drive device 21 is fixedly connected to the top surface of the second wing plate 19. The rotation axis of the second wing plate 19 is parallel to the length direction of the bottom plate 1. The rotation track of the second wing plate 19 is the fifth unfolded position and the fifth folded position. The second wing plate 19 at the fifth unfolded position can be flush with the bottom plate 1, so that the second wing plate 19 serves as the second expansion platform of the bottom plate 1. The second wing plate 19 at the fifth folded position is in a vertical state. A second side panel 20 corresponding to the second wing panel 19 is hinged on the top panel 14. The rotation axis of the second side panel 20 is parallel to the rotation axis of the second wing panel 19. The rotation track of the second side panel 20 includes a sixth unfolded position and a sixth folded position. The second side panel 20 at the sixth unfolded position can be flush with the top panel 14. At this time, the second side panel 20 serves as an extension panel of the top panel 14. The second side panel 20 at the sixth folded position is in a vertical state. At this time, the bottom of the second side panel 20 abuts against the top of the second wing panel 19. Preferably, the two are sealed and abutted, and the second side panel 20 and the second wing panel 19 can be locked by a locking structure. The second side panel 20 and the second wing panel 19 at the folded position can jointly close the side wall of the compartment accommodating cavity. The integral panel composed of the second side panel 20 and the second wing panel 19 is arranged opposite to the first side panel 18.

[0055] In this embodiment, the tailgate 17 includes a tailgate main body and a hanging ladder part 22, the hanging ladder part 22 is hinged to the tailgate main body, the hinge axis of the hanging ladder part 22 is parallel to the width direction of the bottom plate 1, the hanging ladder part 22 includes a hanging ladder back plate 23, the rotation track of the hanging ladder part 22 includes a seventh deployment position and a seventh folded position, the hanging ladder part 22 located at the seventh deployment position can protrude from the compartment accommodating cavity, preferably, the bottom of the hanging ladder part 22 can directly abut against the ground, and the hanging ladder part 22 can facilitate people to enter and exit the compartment accommodating cavity. When the hanging ladder part 22 is located at the seventh folded position, the hanging ladder back plate 23 on the hanging ladder part 22 can be flush with the cross section of the tailgate main body, and the hanging ladder part 22 and the tailgate main body can be locked by a locking device to prevent the hanging ladder part 22 and the tailgate main body from shaking relative to each other.

[0056] Embodiment 2:

[0057] Please refer to Figure 1-14 As shown, this embodiment provides an electric test vehicle, including the body assembly in the first embodiment, and also including a traction body 24, through which the body assembly can be driven to move, the traction body 24 includes a cab 25, the body support platform 4 is arranged at the rear of the cab 25, and an isolation frame 26 is arranged on the bottom plate 1. Preferably, the isolation frame 26 is arranged along the length direction of the bottom plate 1, and an isolation net can be arranged in the isolation frame 26. The isolation frame 26 and the isolation net are both made of insulating materials. The bottom plate 1 can be separated into a first test area 27 and a second test area 28 by the isolation frame 26. The first test area 27 and the second test area 28 can be installed with electric test equipment. Through the isolation and insulation effect of the isolation frame 26 and the isolation net arranged in the isolation frame 26, the mutual electric interference between the first test area 27 and the second test area 28 can be effectively reduced. Preferably, the first test area 27 corresponds to the first wing plate 2, and a first transformer 29 and an insulating rod electroscope integrated bracket 30 are installed in the first test area 27, and the insulating rod electroscope integrated bracket 30 is electrically connected to the first transformer 29. A control cabinet 31 is also provided in the first test area 27, and the control cabinet 31 is also electrically connected to the first transformer 29. During operation, the first wing plate 2 can be unfolded outward, and the insulating rod electroscope integrated bracket 30 can be moved to the first wing plate 2. The second test area 28 corresponds to the second wing plate 19, and a second transformer 32 and an insulating boots and gloves test bench 33 are installed on the second test area 28, and the insulating boots and gloves test bench 33 is electrically connected to the second transformer 32. A tensile tester 34 is also provided on the bottom plate 1, and a tester protection frame 35 is provided outside the tensile tester 34, and the tester protection frame 35 can abut against the end of the isolation frame 26.

[0058] In this embodiment, when the first wing 2 is in the first deployment position, the first wing 2 serves as an extended test area of ​​the first test area 27, and a guardrail 36 can be installed on the outer peripheral edge of the first wing 2, and the guardrail 36 is used for protection. At the same time, the insulating rod electroscope integrated bracket 30 can be moved to the first wing 2. Operations are performed on the first wing 2. When the second wing 19 is in the fifth deployment position, the second wing 19 can serve as an extended test area of ​​the second test area 28, and a guardrail 36 can also be installed on the outer side of the second wing 19, so that the first test area 27 and the second test area 28 are fully expanded, effectively increasing the area of ​​the overall test platform, and the first wing 2 can be retracted into the compartment accommodating area and closed by the first side panel 18, and the second wing 19 and the second side panel 20 can jointly form the side panel of the compartment, and the side wall of the compartment accommodating area is closed by the second wing 19 and the second side panel 20. A tool box 37 is provided at the bottom of the compartment support platform 4, and the tools are accommodated by the tool box 37.

Claims

1. A box assembly, comprising a bottom plate assembly located at the bottom of a box accommodating cavity, characterized in that: The bottom plate assembly comprises a bottom plate (1) and a first wing plate (2) hinged to a side edge of the bottom plate (1), the rotation axis of the first wing plate (2) being parallel to the length direction of the bottom plate (1), the rotation track of the first wing plate (2) comprising a first folded position and a first unfolded position, the first wing plate (2) being located at the first folded position being located in the compartment accommodating cavity, and the first wing plate (2) being located at the first unfolded position being protruding from the compartment accommodating cavity; A cross bar (3) for supporting the first wing panel (2) is hinged on the bottom plate (1), the rotation axis of the cross bar (3) is parallel to the thickness direction of the bottom plate (1), and the rotation trajectory of the cross bar (3) includes a second folded position and a second unfolded position. The cross bar (3) at the second folded position is located in the compartment accommodating cavity, and the cross bar (3) at the second unfolded position abuts against the bottom of the first wing panel (2) at the first unfolded position.

2. The compartment assembly according to claim 1, characterized in that: The vehicle body also includes a vehicle body support platform (4) for supporting the bottom plate (1), the bottom plate (1) being arranged on the vehicle body support platform (4) via a bottom plate support member (6), the vehicle body support platform (4) including a support platform protrusion (5) protruding from the bottom plate (1) in the width direction, the upward projection area of ​​the support platform protrusion (5) being a first projection area, the projection area of ​​the bottom plate (1) and the bottom plate support member (6) in the width direction being a second projection area, the area where the first projection area intersects with the second projection area being a cross bar receiving groove, the cross bar (3) in the second folded position being located in the cross bar receiving groove, and the cross bar receiving groove including a notch for allowing the cross bar (3) to rotate from the second folded position to the second unfolded position.

3. The compartment assembly according to claim 2, characterized in that: The first wing plate (2) located in the first folded position includes a portion protruding from the base plate (1) in the width direction, which is a protruding portion of the first wing plate (2), and the protruding portion of the first wing plate (2) is arranged opposite to the protruding portion of the support platform (5), and the projection of the protruding portion of the first wing plate (2) onto the protruding portion of the support platform (5) passes through the cross bar receiving groove.

4. The body assembly according to claim 3, characterized in that: A component accommodating gap is provided between the vehicle body support platform (4) and the base plate (1), and the vehicle body support platform (4) further comprises a first hydraulic drive device (7) for driving the first wing plate (2) to rotate, wherein the base of the first hydraulic drive device (7) is located in the component accommodating gap and is fixedly connected to the base plate (1), and the piston rod of the first hydraulic drive device (7) is connected to the first wing plate (2).

5. The compartment assembly according to claim 1, characterized in that: The first wing panel (2) comprises a first sub-panel (8) hinged to the bottom panel (1); a second sub-panel (9) is hinged to the edge of the first sub-panel (8); the rotation axis of the second sub-panel (9) is parallel to the rotation axis of the first sub-panel (8); when the first wing panel (2) is located in the first unfolded position, the first sub-panel (8) and the second sub-panel (9) are laid flat on the crossbar (3).

6. The compartment assembly according to claim 5, characterized in that: The cross bar (3) is provided with a strut accommodating groove (12), a strut (13) is hinged in the strut accommodating groove (12), the strut accommodating groove (12) includes a notch for the strut (13) to be screwed in or out, and the rotation trajectory of the strut (13) includes a third folded position and a third unfolded position, the strut (13) located in the third folded position is in the strut accommodating groove (12), and the strut (13) located in the third unfolded position is supported on a preset support surface.

7. The compartment assembly according to claim 2, characterized in that: The utility model also comprises a top plate (14) assembly, wherein the top plate (14) assembly comprises a top plate (14) arranged on the bottom plate (1), the top plate (14) being arranged opposite to the bottom plate (1), a front plate (16) and a tail plate (17) being arranged on the front and rear sides of the top plate (14) respectively, the front plate (16) and the tail plate (17) being both connected to the box body support platform (4), a vertical telescopic rod (15) for driving the top plate (14) to move up and down being arranged in the box body accommodating cavity, the base of the vertical telescopic rod (15) being fixedly connected to the box body support platform (4), the piston rod of the vertical telescopic rod (15) being connected to the top plate (14), the moving track of the top plate (14) comprising a first moving position and a second moving position, the second moving position being higher than the first moving position, and the top plate (14) located at the first moving position abuts against the front plate (16) and the tail plate (17) at the same time.

8. The compartment assembly according to claim 7, characterized in that: The side edge of the top plate (14) is hinged with a first side plate (18) corresponding to the first wing plate (2); the rotation axis of the first side plate (18) is parallel to the length direction of the top plate (14); the rotation trajectory of the first side plate (18) includes a fourth folded position and a fourth unfolded position; the first side plate (18) located in the fourth unfolded position is flush with the top plate (14); the bottom of the first side plate (18) located in the fourth folded position abuts against the compartment support platform (4).

9. The compartment assembly according to claim 8, characterized in that: The two side edges of the bottom plate (1) are respectively a first side edge and a second side edge, the first wing plate (2) is hinged to the first side edge, the second side edge is hinged to a second wing plate (19), the rotation axis of the second wing plate (19) is parallel to the length direction of the bottom plate (1), the rotation trajectory of the second wing plate (19) includes a fifth unfolded position and a fifth folded position, the side edge of the top plate (14) is hinged to a second side plate (20) corresponding to the second wing plate (19), the rotation trajectory of the second side plate (20) includes a sixth unfolded position and a sixth folded position, the top surface of the second wing plate (19) in the fifth folded position abuts against the bottom surface of the second side plate (20) in the sixth folded position.

10. An electric test vehicle, characterized in that: The invention comprises a body assembly as claimed in any one of claims 1 to 9; and further comprises a tractor body (24) for towing the body assembly to move, the tractor body (24) comprising a cab (25), the base plate (1) being arranged at the rear of the cab (25); an isolation frame (26) being arranged on the base plate (1), the isolation frame (26) separating the base plate (1) into a first test area (27) and a second test area (28).

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