CN115817545A - Turnover vehicle with self-unloading type adjusting unit - Google Patents

Abstract

The application relates to a revolving vehicle with a self-unloading adjustment unit, belonging to the technical field of transfer equipment, which includes a vehicle frame, and the vehicle frame includes: a storage mechanism, including a storage rack that is slidably connected to the vertical frame of the vehicle frame, and the storage rack Between the frame and the vehicle frame, there is a guide assembly for tilting the storage rack downward so as to be close to the bottom surface of the vehicle frame; a driving mechanism is used to drive the storage mechanism to vertically lift along the vehicle frame. The frame can be pushed to the side of the switch cabinet, and the shelf on the frame can be lifted in the vertical direction through the driving mechanism. After rising to the same height as the chassis of the switch cabinet, the shelf can temporarily stop here and pull Chassis car, so that the chassis car slides outward and is placed flat on the shelf. At this time, the drive mechanism can be used to move the bottom of the shelf. When the shelf is close to the ground, the shelf can generate a certain amount of movement through the angle adjustment of the guide assembly. Tilting, the chassis can be sent out at this time, without the need for additional tools, and the operation is more convenient.

Description

Turnover cart with self-unloading adjustment unit

technical field

The present application relates to the technical field of transfer equipment, in particular to a turnover vehicle with a self-unloading adjustment unit.

Background technique

In the withdrawable switchgear, the common one is the central switchgear. In order to make the middle structure of the circuit breaker conveniently realize the function of advancing and withdrawing, the chassis car is generally used to carry the internal components of the circuit breaker, and the components installed on the chassis car The driving wheels move forward or backward on the track in the central switch cabinet.

When the chassis needs to be taken out for maintenance, specific tools are often used to carry the chassis, but since the weight of the chassis reaches hundreds of kilograms, the stability and convenience of the tools are more important.

For the current mid-mounted circuit breaker, the relevant unloading tool for adaptation is a turnover trolley. The lifting structure of the turnover trolley is to support the chassis from the bottom side. In fact, the chassis cannot be completely attached to the ground, and the chassis cannot be pushed out directly at this height. It is still necessary to use additional tools or cooperate with other operators to unload the goods. The operation is relatively difficult. inconvenient.

Contents of the invention

In order to solve the current problem that operators are inconvenient to carry the chassis, the application provides a chassis with a self-unloading adjustment unit.

The application provides a chassis vehicle with a self-unloading adjustment unit, which adopts the following technical solution:

A turnover car with a self-unloading adjustment unit, including a vehicle frame, the vehicle frame includes:

The storage mechanism includes a vertical storage rack that is slidably connected to the vehicle frame, and a guide assembly for tilting the storage rack downward to approach the bottom surface of the vehicle frame is provided between the storage rack and the vehicle frame;

The driving mechanism is used to drive the storage mechanism to vertically lift along the vehicle frame.

By adopting the above technical solution, the vehicle frame can be pushed to the side of the switch cabinet, and the storage rack on the vehicle frame can be lifted in the vertical direction through the driving mechanism. After rising to the same height as the chassis of the switch cabinet, the storage rack can temporarily stop At this point, pull the chassis at the same time, so that the chassis slides outward and lays flat on the shelf. At this time, the drive mechanism can be used to move the shelf below. When the shelf is close to the ground, the shelf can pass through the guide assembly. Angle adjustment produces a certain amount of inclination, and the chassis can be sent out at this time, without additional tools or external power supply, and the operation is very convenient.

In a specific possible embodiment, the guide assembly includes a positioning wheel connected to the outside of the storage rack, at least one offset wheel at the lower side of the positioning wheel and connected to the storage rack, and the frame is provided with a positioning wheel and a slide rail that slides vertically with the bias wheel, and the guide assembly also includes a bias area that is connected to the lower side of the slide rail;

When the biasing wheel enters the biasing area, the storage rack will rotate with the positioning wheel as the rotation axis, so that the storage rack is tilted downward.

By adopting the above technical scheme, the guide assembly is actually a combination of the positioning wheel and the offset wheel; in order to realize the translational movement of the shelf, there must be at least one positioning wheel and the offset wheel on the shelf, and the positioning wheel and the offset wheel are both Sliding in the slide rail forms the rotation constraint of the shelf. At the same time, in order to allow the shelf to swing, the offset wheel can be moved into the offset area on the lower side of the slide rail, which is equivalent to detaching the offset wheel from the vertical slide rail. At this time, the rack actually only has one rotation point of the positioning wheel in the slide rail, and the rack can rotate with the positioning wheel as the center of a circle, so that the rack can be inclined and touch the ground, and the chassis can slide out directly.

In a specific implementation solution, a positioning mechanism for positioning with the switch cabinet is detachably connected to the outside of the shelf;

The positioning mechanism includes a positioning frame, a dead bolt connected to the positioning frame, and two positioning posts located on both sides of the positioning frame.

By adopting the above-mentioned technical scheme, in order to make it safer when taking the chassis, and at the same time for the operator to take the position of the chassis as accurately as possible, the application also designs a detachable positioning mechanism; wherein, the dead bolt exists on the positioning frame, and the lock The tongue is in the middle of the positioning frame, and the locking tongue can be hooked on the switch cabinet by snapping after the movement. In order to ensure the stability of the chassis for picking up goods, the upper surface of the positioning frame is basically flush with the upper surface of the storage rack. In addition, the two sides of the positioning frame The positioning column can be inserted into the switch cabinet, so that the positioning of the shelf relative to the switch cabinet is more accurate and the structure is more stable.

In a specific possible implementation, the positioning frame is provided with an elastic member for turning the lock tongue toward the hook surface of the lock tongue; a lock plate is slidably connected to the storage rack, and there is also a locking plate on the storage rack. The unlocking part used to keep the lock plate and the lock tongue in a state of conflict or separation;

When the lock plate is in conflict with the lock tongue, the lock tongue will be released relative to the switch cabinet;

When the lock plate and the lock tongue are separated, the lock tongue is locked relative to the switch cabinet through the elastic member.

By adopting the above-mentioned technical scheme, the lock tongue can realize the buckle state or the tripped state through operation relative to the switch cabinet; specifically, the lock tongue always has a rotation tendency, and the rotation direction of the rotation tendency is that the lock bolt faces the lock bolt At this time, the potential energy of the rotating force comes from the elastic member, and the rotating force can make the lock tongue firmly fasten after entering the slot of the switch cabinet; correspondingly, for the release of the lock tongue, this The application additionally has a locking plate. When the locking plate conflicts with the positioning frame, the locking plate pushes the dead bolt to rotate to realize tripping. When the locking plate is separated from the positioning frame, the locking plate no longer interferes with the positioning frame, and the dead bolt realizes locking.

In a specific possible implementation, the positioning mechanism also includes two mounting brackets located on both sides of the positioning bracket, the storage rack is provided with mounting holes, and the mounting brackets are provided with mounting holes for inserting and fitting into the mounting holes. the mounting column.

By adopting the above technical scheme, there are two mounting brackets on both sides of the positioning mechanism. The mounting brackets are equivalent to the structural expansion of the positioning brackets. There are positioning columns on the inner wall of the mounting brackets, and the positioning columns can be inserted into the mounting holes. Therefore, in fact, the positioning columns In order to finally undertake the structural parts between the positioning mechanism and the shelf, the entire positioning mechanism can be removed by separating the positioning frame. After the positioning mechanism is removed, the bottom side of the shelf is relatively flatter, so the shelf can be rotated smoothly. The state of contacting the ground improves the stability of reclaiming without affecting the unloading.

In a specific possible implementation, the positioning frame is provided with an adjustment assembly for adjusting the distance between the positioning columns on both sides;

The adjustment assembly includes an adjustment rod sliding along the length direction of the positioning frame, and an adjustment gear built in the positioning frame. The adjustment rod has a toothed structure meshing with the adjustment gear, and the adjustment rod is connected to the positioning column through the mounting bracket.

By adopting the above technical scheme, the switchgear has different width sizes, the common sizes are mainly 650mm, 800mm and 1000mm, and the distance between the two positioning columns corresponding to the different sizes of the switchgear is also different; in the adjustment component, the adjustment gear can be adapted During the rotation, the adjustment rod is driven to move, and the distance between the two positioning columns will be changed during the movement of the adjustment rod, thereby realizing the final width adjustment, which is easy to operate.

In a specific embodiment, one of the installation frames is connected with a support plate, and the support plate is slidably connected with the shelf; the support plate includes at least one support bottom plate and at least one support side plate.

By adopting the above-mentioned technical solution, after the adjustment assembly is adjusted, the bottom area of the chassis car actually changes. In order to always support and position the peripheral side of the chassis car, one of the mounting brackets supports the bottom side of the chassis through the support plate. Support, the structure of the support plate is close to L-shaped, which can support the bottom side of the chassis and the side of the chassis, thereby improving the stability of the turnover of the chassis.

In a specific possible implementation, an inner buckle groove is opened on the support side plate, and an outer buckle groove communicated with the inner buckle groove is provided on the shelf.

By adopting the above-mentioned technical scheme, the inner buckle groove on the side of the support or the outer buckle groove of the shelf are all grooves set for the insertion and positioning of the chassis. Based on the structure of the chassis car, the inner buckle groove and the outer buckle groove can be increased. The stability of the placement of the chassis reduces the abnormal sliding distance of the chassis on the horizontal plane, especially during the lifting process, maintaining a stable state.

In a specific possible implementation, the shelf is provided with a fixed-width plate, the fixed-width plate is provided with a number of fixed-width holes along its length, and the shelf is slidably connected with fixed-width columns and The spring used to push the fixed-width column into the fixed-width hole.

By adopting the above technical scheme, the position of the fixed-width hole is set according to the measured fixed size to achieve the purpose of quantitative fixed-width adjustment; when the fixed-width column moves to any fixed-width hole, the fixed-width column can pass the force of the spring Insert it into the fixed-width hole, and the width of the accommodating space of the corresponding shelf can be 650mm, 800mm, 1000mm. The number of helical teeth on the lock plate is not less than the number of installation holes. Even the position of the lock tongue depends on the required width. After adjustment, the different helical teeth on the lock plate can still touch the lock tongue to unlock.

In a specific embodiment, the driving mechanism includes a self-locking hand winch, a traction rope wound on the self-locking hand winch; A movable pulley is provided, and the traction rope pulls the movable pulley of the storage rack around the fixed pulley.

By adopting the above technical scheme, the advantage of the self-locking hand winch is that it can be shaken positively and negatively and can be fixed at any point; while the traction rope transmits the force of self-locking hand stirring, and the direction of the force is changed through the positioning wheel, which is convenient. The force is applied, and the operating force required by the operator is reduced through the movable pulley on the shelf, and the operation is more labor-saving.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The storage mechanism realizes the full-coverage pick-and-place work of the chassis. When the storage rack is lowered to the bottom side, it can realize the unloading of the chassis very conveniently;

2. The positioning mechanism on the outside of the rack is detachable and can be adapted to adjust the width of the positioning rack. This structure is very flexible and easy to use.

Description of drawings

FIG. 1 is a schematic diagram of an embodiment of the present application embodying that a chassis vehicle is loaded on a storage mechanism.

Fig. 2 is a schematic structural view of the embodiment of the present application embodying the positioning mechanism and the chassis.

FIG. 3 is a schematic structural diagram of a driving mechanism embodied in an embodiment of the present application.

FIG. 4 is a schematic structural diagram of a guide assembly embodied in an embodiment of the present application.

Fig. 5 is a schematic structural diagram embodying a positioning mechanism according to an embodiment of the present application.

Fig. 6 is a schematic structural view of an embodiment of the present application embodying a storage mechanism.

Fig. 7 is an exploded view of the positioning mechanism embodied in the embodiment of the present application.

Fig. 8 is a schematic structural view of a lock plate and a fixed-width plate according to an embodiment of the present application.

FIG. 9 is a schematic structural view of a fixed-width column embodied in an embodiment of the present application.

Description of reference signs: 1, vehicle frame; 11, slide rail; 12, offset area; 13, fixed pulley; 2, storage mechanism; 21, storage rack; 211, movable pulley; 212, feeding port; Hole; 22, guide assembly; 221, positioning wheel; 222, offset wheel; 23, lock plate; 231, helical teeth; 232, locking bar; 24, unlocking part; , installation hole; 26, support plate; 261, support base plate; 262, support side plate; 263, inner buckle groove; 27, fixed width plate; 271, fixed width hole; 28, fixed width column; Pull rod; 29, outer buckle groove; 3, drive mechanism; 31, self-locking hand winch; 32, traction rope; 4, positioning mechanism; 41, positioning frame; 411, limit groove; 42, deadbolt; 421, 43, positioning column; 44, mounting frame; 441, mounting column; 45, adjusting component; 451, adjusting lever; 452, adjusting gear; 5, chassis vehicle.

Detailed ways

The application will be described in further detail below in conjunction with all accompanying drawings.

Referring to Fig. 1 and Fig. 2, a turnover car with a self-unloading adjustment unit includes a vehicle frame 1, which includes a storage mechanism 2 and a driving mechanism 3, the storage mechanism 2 is for the chassis car 5 to be placed, and the storage mechanism 2 is integrated The active force provided by the drive mechanism 3 lifts the chassis 5 and components of the chassis 5 (a large number of components on the chassis 5 are not shown in the figure).

Referring to Fig. 2 and Fig. 3, the driving mechanism 3 includes a self-locking hand winch 31 and a traction rope 32 wound on the self-locking hand winch 31, and the self-locking hand winch 31 is a two-way self-locking structural member , only when the operator manually operates the self-locking hand winch 31, the traction rope 32 can be pulled or sent out, and the remaining states remain in the self-locking state. The storage mechanism 2 includes a storage rack 21, a guide assembly 22 connected to the outside of the storage rack 21, and the front end feed port 212 of the storage rack 21 can slide in for the chassis vehicle 5; There is a fixed pulley 13; the traction rope 32 turns around multiple sets of fixed pulleys 13 and movable pulleys 211 in turn to form the lifting point of the rack 21, and the movable pulley 211 is used to split the force, thus reducing the self-locking hand winch 31. force, to achieve the purpose of labor saving.

Referring to FIGS. 3 and 4 , the guide assembly 22 includes a positioning wheel 221 connected to the outside of the rack 21 and an offset wheel 222 located on the lower side of the positioning wheel 221 . The vehicle frame 1 is provided with a slide rail 11, and the bottom side of the slide rail 11 is continuously connected with an offset area 12, which is inclined away from the feeding port 212 of the rack 21, so when the offset wheel 222 enters the offset In zone 12, guide and slide along the wall surface of offset zone 12, and the whole rack 21 will rotate around the axis of the positioning wheel 221, so that the feed port 212 of the rack 21 is inclined downward and touches the ground. That is, the distance between the rack 21 and the ground is 0, and the chassis car 5 can be sent out without the aid of tools. In order to improve the lifting stability of the rack 21, multiple sets of offset wheels 222 can be provided, and the offset wheels 222 in this embodiment are set as one set.

Referring to Fig. 1, a positioning mechanism 4 is detachably connected to the outside of the storage rack 21, and the positioning mechanism 4 is used to coordinate with the switch cabinet for positioning and temporarily hooked on the switch cabinet, so that the chassis car 5 is pulled out from the storage rack 21. The relative position is constant, and when the chassis car 5 is sent out, the positioning mechanism 4 can be pulled down, so that there is still enough oblique space on the bottom side of the rack 21 to complete the bottoming and unloading.

With reference to Fig. 5 and Fig. 6, positioning mechanism 4 comprises locating frame 41, is positioned at the dead bolt 42 of locating frame 41 middle parts, is positioned at the mounting frame 44 of positioning frame 41 both sides, the inwall of mounting frame 44 is provided with mounting post 441, and rack 21 Mounting holes 25 for the insertion of the mounting column 441 are provided on both sides of the top, so as to realize quick disassembly and quick assembly. The mounting frame 44 is connected with a positioning column 43, and the two positioning columns 43 can be inserted into the switch cabinet, so that the storage rack 21 is positioned relative to the switch cabinet.

Referring to Figure 7, the lock tongue 42 is rotationally connected with the positioning frame 41, and the lock tongue 42 always has a tendency to automatically rotate counterclockwise by means of the potential energy of the torsion spring (not shown in the figure), and the counterclockwise direction is shown in the figure. m direction, without artificially maintaining this state; the positioning frame 41 is provided with a limit groove 411, and the limit groove 411 can limit the rotation of the dead bolt 42, and a shift block that passes through the positioning frame 41 is fixedly connected to the dead bolt 42 421 , the lock tongue 42 can be rotated through the dial 421 . Turning the lock tongue 42 away from the m direction is the tripping direction, and turning the lock tongue 42 along the m direction is the locking direction.

Continuing to refer to FIG. 7 , in order to increase the scope of application of the positioning mechanism 4 , it can be applied to cabinets with a cabinet width of 650 mm, 800 mm and 1000 mm, and the positioning frame 41 is provided with an adjustment assembly 45 . The adjustment assembly 45 includes an adjustment gear 452 in the positioning frame 41 , an adjustment rod 451 meshing outside the adjustment gear 452 , and the adjustment rod 451 can slide along the length direction of the positioning frame 41 , and the end of the adjustment rod 451 is connected with the mounting frame 44 . By adjusting the rotation of the gear 452 , the two adjusting rods 451 are driven to slide relative to each other, thereby changing the positioning distance between the two positioning columns 43 . During actual adjustment, the installation frame 44 can be directly pushed and pulled from both sides to adjust the overall width.

6 and 8, a support plate 26 is slidably connected to the shelf 21, and a mounting hole 25 exists on the support plate 26, and the support plate 26 can slide as the width of the positioning mechanism 4 changes. The longitudinal section of the support plate 26 is L-shaped, and the support plate 26 includes a support side plate 262 and a support base plate 261. The support side plate 262 can support the side of the chassis car 5, and still carry out the support on the side of the chassis car 5 after adjusting the width. Position protection. The support side plate 262 is provided with an inner buckle groove 263, and the storage rack 21 is provided with an outer buckle groove 29, and the inner buckle groove 263 on the support plate 26 or the outer buckle groove 29 of the storage rack 21 are all for inserting the chassis car 5 The structure set for positioning is based on the structure of the chassis car 5 , and the setting of the inner buckle groove 263 and the outer buckle groove 29 can increase the stability of the chassis car 5 .

With reference to Fig. 8 and Fig. 9, fixed-width plate 27 is arranged on the storage rack 21, and fixed-width plate 27 is provided with a plurality of fixed-width holes 271 along its length direction, and fixed-width column 28 is slidably connected with fixed-width column 28 on the storage rack 21, and fixed-width column 28 is covered with a spring 281 that pushes the fixed-width column 28 to move toward the fixed-width hole 271 . The positions of the three fixed-width holes 271 shown in the figure correspond to the matching points of the aforementioned cabinet widths of 650mm, 800mm and 1000mm. A pull bar 282 is provided on the side of the fixed-width column 28, and the fixed-width column 28 can be pulled out of the fixed-width hole 271 by the pull bar 282, otherwise the fixed-width column 28 can be quickly inserted into different fixed-width holes 271 by the deformation potential energy of the spring 281.

In order to be able to remotely toggle the lock tongue 42 , referring to FIG. 8 , a lock plate 23 is slidably connected to the shelf 21 along its width direction, and a plurality of helical teeth 231 extend from one side of the lock plate 23 . Referring to FIG. 2 , when the lock plate 23 is pushed forward, that is, the lock plate 23 will push the dial 421 of the lock tongue 42 to turn to release, otherwise the lock tongue 42 returns. Multiple helical teeth 231 can correspond to multiple widths of the positioning mechanism 4 , and different helical teeth 231 are used to toggle the lock tongue 42 according to the width of the positioning mechanism 4 . It should be noted that the number of helical teeth 231 is not less than the number of mounting holes 25 .

Referring to Fig. 6 and Fig. 8, in order to keep the lock plate 23 and the lock tongue 42 in a state of conflict or separation, the lock plate 23 is connected with an upwardly extending lock bar 232, and the storage rack 21 is provided with a lock bar 232 along its width direction. Sliding waist-shaped hole 213, the rack 21 is fixed with an unlocking member 24, and the unlocking member 24 includes a shift lever 241 that can be adjusted along the length direction of the rack 21, and a U-shaped plate 242 for the shift rod 241 to slide and provide a certain damping force ; Under the blocking limit of the gear rod 241, the lock rod 232 will be constrained to one end of the waist-shaped hole 213, so as to realize the switching between unlocked and unlocked states.

The implementation principle of the embodiment of the present application is: before the chassis car 5 is taken, the adaptive adjustment is carried out according to the width of the switch cabinet; secondly, the positioning mechanism 4 is installed outside the storage rack 21; 21 shake up to the designated height, flush with the chassis car 5 position of switchgear.

At this time, align the two positioning posts 43 and the dead bolt 42 in the middle and insert them into the switch cabinet, and move the locking lever 232 to make the dead bolt 42 rotate to complete the locking action. The chassis car 5 is taken out as a whole and placed flat on the shelf 21. After the chassis car 5 is completely taken out, the plectrums on both sides of the chassis car 5 will be inserted into the inner buckle groove 263 and/or the outer buckle groove 29.

Further, the lock bar 232 is toggled to make the lock tongue 42 rotate to push out the storage rack 21 . Shake self-locking hand winch 31, need to take off positioning mechanism 4 in this process. When the bias wheel 222 gradually enters the bias area 12, the rack 21 gradually tilts and touches the ground, and at this time, the entire chassis 5 and the components carried on the chassis 5 can be released.

All of the above are preferred embodiments of the application, and are not intended to limit the protection scope of the application. Therefore, all equivalent changes made according to the structure, shape, and principle of the application should be covered by the protection scope of the application. Inside.

Claims (10)

1. A turnover vehicle with a self-unloading adjustment unit, comprising a vehicle frame (1), characterized in that, the vehicle frame (1) includes: The storage mechanism (2) includes a vertical storage rack (21) that is slidably connected to the vehicle frame (1), and is provided between the storage rack (21) and the vehicle frame (1) for making the storage rack (21) tilt downward to A guide assembly (22) close to the bottom surface of the vehicle frame (1); The driving mechanism (3) is used to drive the object storage mechanism (2) to lift vertically along the vehicle frame (1). 2. The turnover car with self-unloading adjustment unit according to claim 1, characterized in that: the guide assembly (22) includes a positioning wheel (221) connected to the outside of the storage rack (21), positioned at the positioning wheel ( 221) the lower side and at least one offset wheel (222) connected with the rack (21), the frame (1) is provided with a slide for vertical sliding of the positioning wheel (221) and the offset wheel (222). The rail (11), the guide assembly (22) further includes an offset area (12) connected to the underside of the slide rail (11); When the biasing wheel (222) enters the biasing area (12), the storage rack (21) will rotate with the positioning wheel (221) as the axis of rotation, so that the storage rack (21) is tilted downward. 3. The turnover vehicle with self-unloading adjustment unit according to claim 1, characterized in that: a positioning mechanism (4) for coordinating positioning with the switch cabinet is detachably connected to the outside of the storage rack (21); The positioning mechanism (4) includes a positioning frame (41), a deadbolt (42) connected to the positioning frame (41), and two positioning posts (43) located on both sides of the positioning frame (41). 4. The turnover car with self-unloading adjustment unit according to claim 3, characterized in that: the positioning frame (41) is provided with a hook surface for turning the lock tongue (42) toward the lock tongue (42) The elastic part; the lock plate (23) is slidably connected to the storage rack (21), and the lock plate (23) is also provided with a locking plate (23) and the dead bolt (42) to keep the conflicting state or separate from the lock plate (21). The unlocking part (24) of the state; When the lock plate (23) and the dead bolt (42) are in a conflicting state, the dead bolt (42) is tripped relative to the switch cabinet; When the lock plate (23) is separated from the dead bolt (42), the dead bolt (42) is locked relative to the switchgear through the elastic member. 5. The turnover car with self-unloading adjustment unit according to claim 3, characterized in that: the positioning mechanism (4) also includes two mounting brackets (44) positioned on both sides of the positioning bracket (41), the The rack (21) is provided with a mounting hole (25), and the mounting frame (44) is provided with a mounting column (441) for inserting and fitting with the mounting hole (25). 6. The turnover vehicle with self-unloading adjustment unit according to claim 5, characterized in that: the positioning frame (41) is provided with an adjustment assembly (45) for adjusting the distance between the positioning columns (43) on both sides thereof ; The adjusting assembly (45) includes an adjusting rod (451) sliding along the length direction of the positioning frame (41), an adjusting gear (452) built in the positioning frame (41), and the adjusting rod (451) has a The gear (452) has a toothed structure that engages, and the adjusting rod (451) is connected with the positioning column (43) through the mounting bracket (44). 7. The turnover car with self-unloading adjustment unit according to claim 6, characterized in that: one of the mounting brackets (44) is connected with a support plate (26), and the support plate (26) is connected to the rack (21) Sliding connection; the support plate (26) includes at least one support bottom plate (261) and at least one support side plate (262). 8. The turnover car with self-unloading adjustment unit according to claim 6, characterized in that: said shelf (21) is provided with a fixed-width plate (27), and the upper edge of said fixed-width plate (27) Its length direction is provided with some fixed-width holes (271), and the fixed-width column (28) and the spring ( 281). 9. The turnover car with self-unloading adjustment unit according to claim 7, characterized in that: the support side plate (262) is provided with an inner buckle groove (263), and the storage rack (21) is provided with There is an outer buckle groove (29) communicated with the inner buckle groove (263). 10. The turnover car with self-unloading adjustment unit according to any one of claims 1-9, characterized in that: the drive mechanism (3) includes a self-locking hand winch (31), which is wound around a self-locking The traction rope (32) on the type hand winch (31); the fixed pulley (13) is provided on the described vehicle frame (1), and the moving pulley (211) is provided on the described shelf (21), and the traction rope (32) walk around the movable pulley (211) of fixed pulley (13) pulling rack (21).

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