Turnover unloading device

Abstract

The utility model discloses a turnover unloading device, which relates to the technical field of unloading equipment, and comprises a platform assembly, a turnover unloading device, a turnover unloading device and a turnover unloading device, the bottom frame assembly comprises two bottom frame main bodies which are connected in a sliding mode, and one ends of the platform main bodies correspond to one ends of the bottom frame main bodies in a one-to-one mode and are rotationally connected; the lifting mechanism is arranged on the chassis main body and is in driving connection with the platform main body, so that the platform main body is overturned relative to the chassis main body or folded on one side, deviating from the ground, of the chassis main body; and the first telescopic assembly is in driving connection with the two chassis main bodies so that the two chassis main bodies can get close to or get away from each other in the width direction of the vehicle, and the two platform main bodies synchronously move along with the two chassis main bodies so as to adjust the width of the chassis assembly and the width of the platform assembly. According to the technical scheme, the problem that an overturning unloading device is inconvenient to transport is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to unloading equipment technical field, especially a kind of turnover unloading device. BACKGROUND

[0002] When the goods such as grain, coal, feed, wood chip, building material are unloaded, turnover unloading device is often used to incline the wagon loaded with goods, so as to quickly dump the goods loaded by vehicle, improve the unloading efficiency. Since such turnover unloading device generally uses hydraulic drive, it is commonly known as hydraulic turnover plate.

[0003] The existing turnover unloading device generally includes chassis, platform and hydraulic cylinder, one end of the chassis and one end of the platform are rotationally connected, two ends of the hydraulic cylinder are rotationally connected with the chassis and the platform respectively, and the platform is driven to rotate by the extension and retraction of the hydraulic cylinder.

[0004] The width of large wagon is usually between 2.3 meters and 2.5 meters, in order to facilitate the wagon to go up and down the platform, the width of the platform generally reaches 3 meters, in addition, in order to prevent the platform from colliding with the electric control system and hydraulic system during turnover, the electric control system and hydraulic system are often arranged on both sides of the platform, which makes the width of the chassis usually between 4 meters and 5 meters, resulting in the problem of inconvenient transportation of the turnover unloading device. SUMMARY

[0005] The main purpose of the utility model is to provide a kind of turnover unloading device, to solve the problem of inconvenient transportation of turnover unloading device.

[0006] To achieve the above purpose, the turnover unloading device provided by the utility model comprises:

[0007] Platform assembly, comprising two slidingly connected platform bodies;

[0008] Chassis assembly, comprising two slidingly connected chassis bodies, one end of the platform body is rotationally connected with one end of the chassis body one by one;

[0009] Lifting mechanism, provided in the chassis body and drivingly connected with the platform body, so that the platform body is turned over or folded on the side of the chassis body away from the ground;

[0010] First telescopic assembly, drivingly connected with two chassis bodies, so that two chassis bodies are close to or away from each other along the width direction of vehicle, and two platform bodies move synchronously with two chassis bodies, to adjust the width of the chassis assembly and the width of the platform assembly;

[0011] Second telescopic assembly, drivingly connected with two platform bodies, and the second telescopic assembly and the first telescopic assembly are synchronously telescopic.

[0012] universal wheel assemblies, the two ends of the chassis body are provided with the universal wheel assemblies.

[0013] In an embodiment, the turnover unloading device further comprises a first guide assembly, the first guide assembly comprises a first guide and a first guide seat, the first guide is arranged on one of the chassis bodies, the first guide seat is arranged on the other chassis body, and the first guide is slidingly arranged in the first guide seat.

[0014] In an embodiment, the first guide assembly further comprises a positioning pin, the positioning pin is arranged in the first guide and the first guide seat, so that the first guide is fixed to the first guide seat.

[0015] In an embodiment, the turnover unloading device further comprises a second guide assembly, the second guide assembly comprises a second guide and two second guide seats, the two second guide seats are oppositely arranged on the two platform bodies, and the second guide is slidingly arranged in the two second guide seats.

[0016] In an embodiment, opposite ends of the second guide are provided with limiting structures; and / or,

[0017] The second guide assembly is arranged on a side of the platform assembly facing the chassis assembly.

[0018] In an embodiment, the turnover unloading device further comprises a protection assembly, the protection assembly is arranged on a side of the chassis body facing the platform body, and is used for blocking the platform body from being close to the chassis body.

[0019] In an embodiment, the protection assembly comprises:

[0020] a base fixed to the chassis body;

[0021] a support frame, one end of the support frame is rotationally connected with the base, and the support frame has a folding state of being attached to a side of the chassis body facing the platform body and a supporting state of extending in a direction away from the ground.

[0022] a locking pin arranged in the base and the support frame, so that the support frame is locked in the supporting state.

[0023] In an embodiment, the turnover unloading device further comprises:

[0024] a roller assembly arranged in a middle part of the chassis body;

[0025] a first retractable mechanism, connecting the roller assembly and the chassis body, for retracting or releasing the roller assembly;

[0026] a second retractable mechanism, connecting the universal wheel assembly and the chassis body, for retracting or releasing the universal wheel assembly;

[0027] wherein the chassis body abuts the ground when the roller assembly is retracted by the first retractable mechanism and the universal wheel assembly is retracted by the second retractable mechanism, and the chassis body is away from the ground when the roller assembly is released by the first retractable mechanism and the universal wheel assembly is released by the second retractable mechanism.

[0028] In an embodiment, the first retractable mechanism comprises a third telescopic assembly, the roller assembly has opposite first and second connecting ends, the first connecting end is rotatably connected with the chassis body, one end of the third telescopic assembly is rotatably connected with the chassis body, the other end of the third telescopic assembly is rotatably connected with the second connecting end, the roller assembly is rotated around the first connecting end by the extension and retraction of the third telescopic assembly, so as to retract or release the roller assembly; and / or,

[0029] the second retractable mechanism comprises a fourth telescopic assembly, the universal wheel assembly has opposite third and fourth connecting ends, the third connecting end is rotatably connected with the chassis body, one end of the fourth telescopic assembly is rotatably connected with the chassis body, the other end of the fourth telescopic assembly is rotatably connected with the fourth connecting end, the universal wheel assembly is rotated around the third connecting end by the extension and retraction of the fourth telescopic assembly, so as to retract or release the universal wheel assembly.

[0030] In an embodiment, a rotation shaft assembly is arranged between the platform body and the chassis body, the rotation shaft assembly comprises:

[0031] a rotation shaft, arranged in the platform body;

[0032] a shaft seat, arranged in the chassis body, the shaft seat is provided with a shaft hole, the rotation shaft is rotatably arranged in the shaft hole of the shaft seat, the shaft seat comprises an upper seat body and a lower seat body, the lower seat body is provided with a first groove, the upper seat body is provided with a second groove, the upper seat body and the lower seat body are detachably connected, so that the first groove and the second groove are combined to form the shaft hole.

[0033] The beneficial effect of the technical scheme of the utility model is that the width adjustment of the whole turnover unloading device is realized by the synchronous width adjustment of the platform assembly and the chassis assembly. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained according to the structures shown in the drawings without paying creative labor for those skilled in the art.

[0035] Figure 1 Structure diagram of a first embodiment of the turnover unloading device provided by the utility model Figure 1 ;

[0036] Figure 2 Structure diagram of a first embodiment of the turnover unloading device provided by the utility model Figure 2 ;

[0037] Figure 3For Figure 2 A local enlarged view at B in the middle;

[0038] Figure 4 For the structure diagram of the platform assembly of the turnover unloading device provided by the utility model Figure 1 ;

[0039] Figure 5 For Figure 4 A local enlarged view at C in the middle;

[0040] Figure 6 For the structure diagram of the platform assembly of the turnover unloading device provided by the utility model Figure 2 ;

[0041] Figure 7 For the structure diagram of the platform assembly of the turnover unloading device provided by the utility model

[0042] Figure 8 For Figure 7 A local enlarged view at D in the middle;

[0043] Figure 9 For Figure 7 A local enlarged view at E in the middle;

[0044] Figure 10 For Figure 7 A local enlarged view at F in the middle;

[0045] Figure 11 For Figure 7 A local enlarged view at F in the middle.

[0046] BRIEF DESCRIPTION OF DRAWINGS

[0047] 100, platform assembly; 110, platform main body;

[0048] 200, chassis assembly; 210, chassis main body;

[0049] 300, lifting mechanism;

[0050] 410, first telescopic assembly; 420, second telescopic assembly;

[0051] 500, first guide assembly; 510, first guide seat; 520, first guide piece;

[0052] 600, second guide assembly; 610, second guide seat; 620, second guide piece; 630, limiting structure;

[0053] 700, protection assembly; 710, base; 720, support frame; 730, locking pin;

[0054] 810, roller assembly; 811, first connecting end; 812, second connecting end; 820, first retractable mechanism; 821, third telescopic assembly; 830, universal wheel assembly; 831, third connecting end; 832, fourth connecting end; 840, second retractable mechanism; 841, fourth telescopic assembly;

[0055] 900, rotating shaft assembly; 910, rotating shaft; 920, shaft seat; 921, lower seat body; 922, upper seat body;

[0056] 1000, hydraulic station; 1100, electric control cabinet.

[0057] The purposes, functional features and advantages of the utility model will be further described with reference to the drawings in combination with embodiments. DETAILED DESCRIPTION

[0058] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.

[0059] It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0060] In the utility model, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood broadly, for example, "fixation" can be fixed connection, or detachable connection, or integral; "connection" can be mechanical connection, or electrical connection, can be direct connection, or indirect connection through intermediate medium, can be internal communication of two elements or interaction relationship between two elements. Unless otherwise explicitly limited, the above terms in the utility model can be understood according to the specific meaning in the specific situation by those skilled in the art.

[0061] In addition, if the embodiments of the utility model involve "first", "second" and the like description, the "first", "second" and the like description is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can be explicitly or implicitly included at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the utility model.

[0062] The existing turnover unloading device generally includes a chassis, a platform and a hydraulic cylinder, one end of the chassis and one end of the platform are rotationally connected, two ends of the hydraulic cylinder are rotationally connected with the chassis and the platform respectively, and the platform is driven to rotate through the extension and contraction of the hydraulic cylinder. The width of large trucks is usually between 2.3 meters and 2.5 meters, in order to facilitate the truck to get on and off the platform, the width of the platform is generally 3 meters, in addition, in order to prevent the platform from colliding with the electric control system and the hydraulic system during the turnover process, the electric control system and the hydraulic system are often arranged on both sides of the platform, which makes the width of the chassis usually between 4 meters and 5 meters. The width of the turnover unloading device is too wide, which makes it difficult to pass during transportation, and there is a great safety hazard. If disassembled into parts for transportation, although the width problem is effectively solved, the on-site secondary installation workload is large, time-consuming and laborious.

[0063] The utility model provides a turnover unloading device.

[0064] Please refer to Figure 1 、 Figure 2 and Figure 7 , Figure 1 The structure diagram of the chassis assembly of the turnover unloading device provided by the utility model Figure 1 , Figure 2 The structure diagram of the chassis assembly of the turnover unloading device provided by the utility model Figure 2 , Figure 7 The structure diagram of the chassis assembly of the turnover unloading device provided by the utility model

[0065] In an embodiment of the utility model, the turnover unloading device comprises:

[0066] The platform assembly 100 comprises two slidingly connected platform bodies 110;

[0067] The bottom frame assembly 200 comprises two slidingly connected bottom frame bodies 210, one end of the platform body 110 is rotationally connected with one end of the bottom frame body 210 in one-to-one correspondence;

[0068] The lifting mechanism 300 is arranged on the bottom frame body 210 and is drivingly connected with the platform body 110, so that the platform body 110 is flipped or folded on the side of the bottom frame body 210 away from the ground relative to the bottom frame body 210;

[0069] The first telescopic assembly 410 is drivingly connected with the two bottom frame bodies 210, so that the two bottom frame bodies 210 are close to or away from each other along the width direction of the vehicle, and the two platform bodies 110 are synchronously moved with the two bottom frame bodies 210 to adjust the width of the bottom frame assembly 200 and the width of the platform assembly 100;

[0070] The universal wheel assembly 830 is arranged at both ends of the bottom frame body.

[0071] The utility model discloses a technical scheme's turnover unloading device includes platform subassembly 100, undercarriage subassembly 200, lifting mechanism 300 and first telescopic component 410, and platform subassembly 100 includes two sliding connections platform main body 110, and two platform main body 110 can be close to each other or each other away through relative sliding, thereby adjusting the width of platform subassembly 100, and undercarriage subassembly 200 includes two sliding connections undercarriage main body 210, and two undercarriage main body 210 can be close to each other or each other away through relative sliding, thereby adjusting the width of undercarriage subassembly 200. Since lifting mechanism 300 connects undercarriage main body 210 and platform main body 110, when the first telescopic component 410 drives two undercarriage main body 210 to slide relative, undercarriage main body 210 can drive platform main body 110 to slide through lifting mechanism 300, so that two platform main body 110 follow two undercarriage main body 210 and synchronize close or synchronize away, thereby make platform subassembly 100 and undercarriage subassembly 200 synchronize and adjust the width, also realized the width adjustment of entire turnover unloading device. When turnover unloading device needs to transport, through control first telescopic component 410 makes two undercarriage main body 210 close to each other, can reduce the width of undercarriage subassembly 200 and platform subassembly 100, that is reduce the width of entire turnover unloading device, improve the passing property in the transportation process, reduce the transportation difficulty, improve the security in the transportation process, when turnover unloading device transportation reaches the destination, through control first telescopic component 410 makes two undercarriage main body 210 away from each other, can increase the width of undercarriage subassembly 200 and platform subassembly 100, make the width of turnover unloading device adapt to the vehicle width of unloading, simple operation can be quickly put into use, on the other hand, turnover unloading device can also conveniently unload the vehicle of different width by adjusting the width of platform subassembly 100, improve the application range of turnover unloading device. In addition, turnover unloading device can move through universal wheel component 830, conveniently make turnover unloading device move short distance, and because the universality of universal wheel component 830, make turnover unloading device adjust position in each direction be more convenient, also reduce the friction between turnover unloading device and ground when width adjustment, facilitate the width adjustment of turnover unloading device.

[0072] Wherein, the platform main body 110 and undercarriage main body 210 are equipped with pivot assembly 900, refer to Figures 2 to 3The rotating shaft assembly 900 comprises a rotating shaft 910 and a shaft seat 920, the rotating shaft 910 is arranged on the platform body 110, the shaft seat 920 is arranged on the chassis body 210, the shaft seat 920 is provided with a shaft hole, and the rotating shaft 910 is rotatably arranged in the shaft hole of the shaft seat 920, so that the rotating connection between the platform body 110 and the chassis body 210 is realized, and the structure is simple and easy to realize. The shaft seat 920 comprises an upper seat body 922 and a lower seat body 921, the lower seat body 921 is provided with a first groove, the upper seat body 922 is provided with a second groove, and the upper seat body 922 and the lower seat body 921 are detachably connected to make the first groove and the second groove combine to form the shaft hole. During assembly, the rotating shaft 910 is assembled on the platform body 110, the lower seat body 921 is mounted on the chassis body 210, then the platform body 110 is arranged above the chassis body 210 to make the rotating shaft 910 mounted in the first groove of the lower seat body 921, and finally the upper seat body 922 is buckled on the rotating shaft 910 to fix the upper seat body 922 and the lower seat body 921, so that the assembly difficulty of the rotating connection between the platform body 110 and the chassis body 210 is reduced, and the position accuracy of the rotating shaft 910 on the platform body 110 is easily ensured.

[0073] The lifting mechanism 300 can adopt the forms of a hydraulic cylinder, an air cylinder or an electric cylinder, and in the embodiment, the lifting mechanism 300 adopts a hydraulic cylinder. The hydraulic cylinder has large pushing force, can bear large load, and has stable action and good buffering and damping effect when subjected to impact or vibration, and is more suitable for driving the platform assembly 100 and the vehicle on the platform assembly 100 to overturn. The two ends of the lifting mechanism 300 are rotatably connected with the chassis body 210 and the platform body 110 respectively, and the lifting mechanism 300 and the chassis body 210 are also provided with the rotating shaft assembly 900. The rotating shaft 910 is arranged on the outer wall of the lifting mechanism 300, and the shaft seat 920 is arranged on the chassis body 210, so that the rotating connection between the lifting mechanism 300 and the chassis body 210 is realized, and the assembly difficulty of the rotating connection between the lifting mechanism 300 and the chassis body 210 is reduced.

[0074] The first telescopic assembly 410 can adopt the forms of a hydraulic cylinder, an air cylinder or an electric cylinder, and in the embodiment, the first telescopic assembly 410 adopts a hydraulic cylinder. The first telescopic assembly 410 and the lifting mechanism 300 both adopt the hydraulic form, so that the driving types are reduced and the arrangement is convenient.

[0075] In the embodiment, the overturning and unloading device further comprises a second telescopic assembly 420, the second telescopic assembly 420 is drivingly connected with the two platform bodies 110, and the second telescopic assembly 420 is synchronously telescoped with the first telescopic assembly 410.

[0076] Referring to Figure 4 and Figure 6In the embodiment of the utility model, the turnover unloading device is further provided with a second telescopic assembly 420, the second telescopic assembly 420 and the first telescopic assembly 410 are synchronous telescopic, the two platform bodies 110 are driven to slide through the second telescopic assembly 420, the synchronism of the platform assembly 100 and the chassis assembly 200 when adjusting the width is improved, the problem of sliding jamming between the two platform bodies 110 is reduced, and the possibility of deformation of the turnover unloading device is reduced. The second telescopic assembly 420 can adopt the form of a hydraulic cylinder, a pneumatic cylinder or an electric cylinder, and in the embodiment, the second telescopic assembly 420 also adopts a hydraulic cylinder, has large pushing force and stable action, the first telescopic assembly 410, the second telescopic assembly 420 and the lifting mechanism 300 all adopt a hydraulic form, the driving types are reduced, and the arrangement is convenient.

[0077] In the embodiment, the turnover unloading device further comprises a first guide assembly 500, the first guide assembly 500 comprises a first guide 520 and a first guide seat 510, the first guide 520 is arranged on one of the chassis bodies 210, the first guide seat 510 is arranged on the other chassis body 210, and the first guide 520 is slidingly arranged in the first guide seat 510.

[0078] Referring to Figure 7 In the embodiment of the utility model, the turnover unloading device guides the relative sliding of the two chassis bodies 210 through the first guide assembly 500, the accuracy of the sliding direction of the two chassis bodies 210 is improved, the possibility of tilting of any one of the chassis bodies 210 in the sliding process is reduced, and the jamming phenomenon of the turnover unloading device in the width adjustment process is reduced. The first telescopic assembly 410 and the first guide assembly 500 are both provided with a plurality of assemblies, the plurality of first telescopic assemblies 410 and the plurality of first guide assemblies 500 are cross-spaced, further reducing the problems of jamming or tilting of the two chassis bodies 210 in the relative sliding process, and improving the stability and smoothness of the relative sliding of the two chassis bodies 210. The first guide assembly 500 comprises a first guide seat 510 and a first guide 520, the first guide 520 is slidingly arranged in the first guide seat 510, the first guide 520 and the second guide seat 610 are arranged on the two chassis bodies 210 respectively, the structure is simple and easy to implement. In the embodiment, referring to Figure 8 , the first guide 520 and the first guide seat 510 are square tubes with different sizes, the square tube forming the first guide seat 510 is sleeved on the outer periphery of the square tube forming the first guide 520, the structure is simple and easy to implement, has high strength and is not easy to deform; on the other hand, the chassis body 210 is also formed by welding square tubes, the material types are reduced, design and processing are facilitated, and the manufacturing cost of the turnover unloading device is reduced.

[0079] In the embodiment, the first guide assembly 500 further comprises a positioning pin, the positioning pin is arranged in the first guide 520 and the first guide seat 510, so that the first guide 520 is fixed to the first guide seat 510.

[0080] In the embodiment of the utility model, first guide assembly 500 still includes positioning pin, when two chassis main bodies 210 do not need to adjust the width of chassis assembly 200 through sliding, first guide 520 and first guide seat 510 are fixed through positioning pin, so that two chassis main bodies 210 are fixed, avoid the relative sliding of two chassis main bodies 210 due to vibration or external force, and then improve the safety in the transportation process and use process.

[0081] In the embodiment, the turnover unloading device further comprises a second guide assembly 600, the second guide assembly 600 comprises a second guide 620 and two second guide seats 610, the two second guide seats 610 are oppositely arranged on the two platform main bodies 110, and the second guide 620 is slidingly arranged in the two second guide seats 610.

[0082] Referring to Figures 4 to 6 In the embodiment of the utility model, the turnover unloading device guides the relative sliding of the two platform main bodies 110 through the second guide assembly 600, improves the accuracy of the sliding direction of the two platform main bodies 110, reduces the possibility of skewing of any one platform main body 110 in the sliding process, and thus reduces the jamming phenomenon of the turnover unloading device in the width adjustment process.

[0083] In the embodiment, the opposite ends of the second guide 620 are provided with a limiting structure 630; and / or,

[0084] The second guide assembly 600 is arranged on the side of the platform assembly 100 facing the chassis assembly 200.

[0085] Referring to Figure 5In the embodiment of the utility model, the opposite two ends of the second guide piece 620 are equipped with the limiting structure 630, the second guide piece 620 is prevented from sliding out from the second guide seat 610 through the limiting structure 630, and specifically in the embodiment, the second guide piece 620 is tubular, the limiting structure 630 is detachably connected with the inner wall of the second guide piece 620 through clamping or threaded connection etc., the second guide piece 620 is arranged in the second guide seat 610 first when assembling, and then the limiting structure 630 is installed on the second guide piece 620, so the structure is simple and the assembly is convenient.

[0086] In the embodiment of the utility model, the second guide assembly 600 is arranged at the side of the platform assembly 100 towards the chassis assembly 200, that is, at the bottom of the platform assembly 100, so as to avoid the influence of the second guide assembly 600 on the movement of the vehicle above the platform assembly 100, and hide the second guide assembly 600 to improve the appearance of the turnover unloading device. Specifically in the embodiment, the second telescopic assembly 420 is also arranged at the bottom of the platform assembly 100, and the second telescopic assembly 420 and the second guide assembly 600 are both provided with a plurality of second telescopic assemblies 420 and a plurality of second guide assemblies 600 are arranged in cross and interval, which further reduces the problems of jamming or skewing during the relative sliding of the two platform bodies 110, and improves the stability and fluency of the relative sliding of the two platform bodies 110.

[0087] In the embodiment, the turnover unloading device further comprises a protection assembly 700, which is arranged at the side of the chassis body towards the platform body, and is used for blocking the platform body close to the chassis body.

[0088] When the chassis assembly 200 and the parts on the chassis assembly 200 are maintained and operated, the platform assembly 100 often needs to be lifted and turned by the lifting mechanism 300 to provide enough space for maintenance, but if an accident or misoperation occurs, the problem of the platform assembly 100 falling may exist. In the embodiment of the utility model, the protection assembly 700 is arranged at the side of the chassis body towards the platform body, which can block the platform body close to the chassis body, thereby avoiding the platform body falling, playing a protective role for the maintenance personnel, and improving the safety of the turnover unloading device. Figure 2 and Figure 7 The protection assembly 700 can be a support rod arranged on the chassis assembly 200, which props up between the chassis assembly 200 and the platform assembly 100 when the platform assembly 100 is turned, thereby blocking the platform assembly 100 from falling; the protection assembly 700 can also be a frame arranged separately from the chassis assembly 200, which is fixed between the chassis assembly 200 and the platform assembly 100 when the platform assembly 100 is turned, thereby blocking the platform assembly 100 from falling.

[0089] In this embodiment, the protection assembly 700 comprises:

[0090] The base 710 is fixed to the chassis body;

[0091] The support frame 720 is rotatably connected to the base 710 at one end, and the support frame 720 has a folding state of being attached to the chassis body toward the platform body 110 side and a supporting state of the other end of the support frame 720 extending away from the ground direction.

[0092] The locking pin 730 is provided through the base 710 and the support frame 720 to lock the support frame 720 in the supporting state.

[0093] Referring to Figure 9 In the embodiment of the utility model, the protection assembly 700 comprises the base 710, the support frame 720 and the locking pin 730, the base 710 is fixed on the chassis body, the support frame 720 can rotate relative to the base 710 and has the folding state and the supporting state, when the support frame 720 is in the folding state, the support frame 720 is attached above the base 710 body, and the occupied space of the support frame 720 is reduced, when the support frame 720 is in the supporting state, the end of the support frame 720 away from the base 710 is vertically upward, and the function of preventing the platform assembly 100 from falling is played, the support piece can be locked in the supporting state through the locking pin 730, and the support frame 720 is prevented from rotating. The protection assembly 700 further comprises a handle, which is arranged at the end of the support frame 720 away from the base 710, and facilitates the user to operate the rotation of the support frame 720.

[0094] In this embodiment, the turnover unloading device further comprises:

[0095] The roller assembly 810 is arranged at the middle part of the chassis body;

[0096] The first folding mechanism 820 is connected between the roller assembly 810 and the chassis body and is used to fold or unfold the roller assembly 810;

[0097] The second folding mechanism 840 is connected between the universal wheel assembly 830 and the chassis body and is used to fold or unfold the universal wheel assembly 830;

[0098] The first folding mechanism 820 is connected between the roller assembly 810 and the chassis body and is used to fold or unfold the roller assembly 810;

[0099] Referring to Figure 2In the embodiment of the utility model, the middle part of the chassis body is provided with a roller assembly 810, and the two ends of the chassis body are provided with universal wheel assemblies 830, when the first folding mechanism 820 lowers the roller assembly 810 and the second folding mechanism 840 lowers the universal wheel assembly 830, the turnover unloading device contacts the ground through the universal wheel assemblies 830 and the roller assembly 810, facilitating short-distance movement of the turnover unloading device, when the first folding mechanism 820 retracts the roller assembly 810 and the second folding mechanism 840 retracts the universal wheel assembly 830, the chassis assembly 200 contacts the ground, the whole turnover unloading device is more stable and reliable, and the vehicle upper and lower platform assemblies 100 and the lifting mechanism 300 are not easy to shake when driving the platform assembly 100 to overturn, improving the safety of unloading. Since the roller assembly 810 is located in the middle part of the chassis body, the chassis body is provided with a containing space for containing the retracted roller assembly 810, and the universal wheel assemblies 830 are located at the front and rear ends of the chassis assembly 200 when retracted, and the structure is simpler. The first folding mechanism 820 can adopt a linear drive combined with a guide rail mode, drive the roller assembly 810 to move along the guide rail, so as to retract or lower the roller assembly 810, the first folding mechanism 820 can also adopt a linear drive combined with a rotating structure mode, the linear drive and the rotating structure are arranged at the two ends of the roller assembly 810, the roller assembly 810 is driven to rotate around the rotating structure through the linear drive, so as to retract or lower the roller assembly 810. The second folding mechanism 840 can adopt a similar mode to the above two first folding mechanisms 820 to retract or lower the universal wheel assembly 830.

[0100] In the embodiment, the first folding mechanism 820 comprises a third telescopic assembly 821, the roller assembly 810 has opposite first and second connecting ends 811 and 812, the first connecting end 811 is rotationally connected with the chassis body, one end of the third telescopic assembly 821 is rotationally connected with the chassis body, the other end of the third telescopic assembly 821 is rotationally connected with the second connecting end 812, the roller assembly 810 is driven to rotate around the first connecting end 811 through the extension and retraction of the third telescopic assembly 821, so as to retract or lower the roller assembly 810; and / or,

[0101] The second folding mechanism 840 comprises a fourth telescopic assembly 841, the universal wheel assembly 830 has opposite third and fourth connecting ends 831 and 832, the third connecting end 831 is rotationally connected with the chassis body, one end of the fourth telescopic assembly 841 is rotationally connected with the chassis body, the other end of the fourth telescopic assembly 841 is rotationally connected with the fourth connecting end 832, the universal wheel assembly 830 is driven to rotate around the third connecting end 831 through the extension and retraction of the fourth telescopic assembly 841, so as to retract or lower the universal wheel assembly 830.

[0102] Referring to Figure 10In the embodiment of the utility model, first release mechanism 820 includes third telescopic component 821, when third telescopic component 821 stretches out, third telescopic component 821 drives second connecting end 812 to rotate around first connecting end 811, and roller assembly 810 is put down and contacts with ground, when third telescopic component 821 contracts, third telescopic component 821 drives second connecting end 812 to rotate reversely around first connecting end 811, and roller assembly 810 is put away, and chassis main body 210 contacts with ground. Third telescopic component 821 can adopt hydraulic cylinder, air cylinder or electric cylinder etc. forms, and specifically to this embodiment, third telescopic component 821 adopts hydraulic cylinder, and the pushing force is big, guarantees through the mode of putting down roller assembly 810 to lift chassis component 200 and platform assembly 100, and the process action of hydraulic drive is stable.

[0103] Referring to Figure 11 In the embodiment of the utility model, second release mechanism 840 includes fourth telescopic component 841, when fourth telescopic component 841 stretches out, fourth telescopic component 841 drives fourth connecting end 832 to rotate around third connecting end 831, and universal wheel assembly 830 is put down and contacts with ground, when fourth telescopic component 841 contracts, fourth telescopic component 841 drives fourth connecting end 832 to rotate reversely around third connecting end 831, and universal wheel assembly 830 is put away, and chassis main body 210 contacts with ground. Fourth telescopic component 841 can adopt hydraulic cylinder, air cylinder or electric cylinder etc. forms, and specifically to this embodiment, fourth telescopic component 841 adopts hydraulic cylinder, and the pushing force is big, guarantees through the mode of putting down universal wheel assembly 830 to lift chassis component 200 and platform assembly 100, and the process action of hydraulic drive is stable. Specifically to this embodiment, first telescopic component 410, second telescopic component 420, third telescopic component 821, fourth telescopic component 841 and lifting mechanism 300 all adopt hydraulic form, reduce the drive kind, and the arrangement is convenient.

[0104] In the embodiment of the utility model, the turnover unloading device further includes a hydraulic station 1000 and an electric control cabinet 1100, the hydraulic station 1000 and the electric control cabinet 1100 are separately arranged on the two chassis bodies and located on both sides of the platform assembly 100, thereby improving the balance of the entire turnover unloading device and reducing the shaking caused by the unstable center of gravity when the vehicle is turned over. The hydraulic station 1000 is connected to the first telescopic component 410, the second telescopic component 420, the third telescopic component 821, the fourth telescopic component 841, and the lifting mechanism 300 through pipelines, respectively, to provide hydraulic oil for the first telescopic component 410, the second telescopic component 420, the third telescopic component 821, the fourth telescopic component 841, and the lifting mechanism 300 to act.

[0105] The above merely illustrates the exemplary embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation or direct / indirect application in other related technical fields under the technical concept of the present application and by using the content of the present application specification and drawings are included in the patent protection scope of the present application.

Claims

1. A tipping unloading device, characterized in that, include: The platform component includes two slidingly connected platform bodies; The base frame assembly includes two slidably connected base frame bodies, with one end of the platform body corresponding to and rotatably connected to one end of the base frame body; A lifting mechanism is provided on the base frame body and driven to the platform body, so that the platform body can be flipped or folded relative to the base frame body on the side of the base frame body away from the ground; The first telescopic assembly drives and connects the two chassis bodies so that the two chassis bodies move closer to or further away from each other along the width direction of the vehicle, and the two platform bodies move synchronously with the two chassis bodies to adjust the width of the chassis assembly and the width of the platform assembly. The second telescopic component drives the connection between the two platform bodies, and the second telescopic component extends and retracts synchronously with the first telescopic component. The caster wheel assembly is provided at both ends of the base frame body.

2. The tipping unloading device as described in claim 1, characterized in that, The overturning unloading device further includes a first guide assembly, which includes a first guide member and a first guide seat. The first guide member is disposed on one of the base frame bodies, and the first guide seat is disposed on the other base frame body. The first guide member is slidably disposed on the first guide seat.

3. The tipping unloading device as described in claim 2, characterized in that, The first guide assembly further includes a positioning pin, which passes through the first guide member and the first guide seat to fix the first guide member to the first guide seat.

4. The tipping unloading device as described in claim 1, characterized in that, The overturning unloading device further includes a second guide assembly, which includes a second guide member and two second guide seats. The two second guide seats are disposed opposite to each other on the two platform bodies, and the second guide member is slidably inserted through the two second guide seats.

5. The tipping unloading device as described in claim 4, characterized in that, The second guide member has limiting structures at its opposite ends; and / or, The second guide component is located on the side of the platform component facing the base frame component.

6. The tipping unloading device as described in claim 1, characterized in that, The tipping unloading device also includes a protective component located on the side of the underframe body facing the platform body, which is used to prevent the platform body from approaching the underframe body.

7. The tipping unloading device as described in claim 6, characterized in that, The protection component includes: The base is fixed to the base frame body; A support frame, one end of which is rotatably connected to the base, the support frame having a folded state that conforms to the base frame body and faces the platform body, and a supported state in which the other end of the support frame extends away from the ground, through its own rotation; A locking pin is inserted into the base and the support frame to lock the support frame in the supported state.

8. The tipping unloading device as described in claim 1, characterized in that, The tipping unloading device also includes: A roller assembly is located in the middle of the base frame body; A first retraction mechanism connects the roller assembly and the base frame body, and is used to retract or extend the roller assembly. The second retraction mechanism connects the caster assembly and the base frame body, and is used to retract or extend the caster assembly. Specifically, the first retractable mechanism retracts the roller assembly and the second retractable mechanism retracts the caster assembly, causing the base frame body to contact the ground. The first retractable mechanism lowers the roller assembly and the second retractable mechanism lowers the caster assembly, causing the base frame body to move away from the ground.

9. The tipping unloading device as described in claim 8, characterized in that, The first retraction mechanism includes a third telescopic assembly. The roller assembly has a first connecting end and a second connecting end opposite to each other. The first connecting end is rotatably connected to the base frame body. One end of the third telescopic assembly is rotatably connected to the base frame body, and the other end of the third telescopic assembly is rotatably connected to the second connecting end. The extension and retraction of the third telescopic assembly drives the roller assembly to rotate around the first connecting end, thereby retracting or extending the roller assembly; and / or, The second retraction mechanism includes a fourth telescopic component. The caster wheel assembly has a third connecting end and a fourth connecting end opposite to each other. The third connecting end is rotatably connected to the base frame body. One end of the fourth telescopic component is rotatably connected to the base frame body, and the other end of the fourth telescopic component is rotatably connected to the fourth connecting end. The extension and retraction of the fourth telescopic component drives the caster wheel assembly to rotate around the third connecting end, so as to retract or extend the caster wheel assembly.

10. The tipping unloading device as described in claim 1, characterized in that, A pivot assembly is provided between the platform body and the base frame body, the pivot assembly comprising: The pivot is located on the main body of the platform; A bearing seat is provided on the base frame body. The bearing seat has a bearing hole. The rotating shaft is rotatably inserted through the bearing hole of the bearing seat. The bearing seat includes an upper body and a lower body. The lower body has a first groove and the upper body has a second groove. The upper body and the lower body are detachably connected so that the first groove and the second groove are joined together to form the bearing hole.

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