Tray jacking four-way trolley

Abstract

The utility model discloses a tray jacking four-way trolley. Comprising a vehicle body, a moving driving mechanism arranged in the vehicle body, a pair of transverse moving mechanisms arranged on the front side wall and the rear side wall of the vehicle body, a pair of longitudinal moving mechanisms arranged in the vehicle body in a front-and-back mode, and a battery box arranged in the vehicle body. The two ends of each longitudinal moving mechanism extend out of the left side wall and the right side wall of the vehicle body. The longitudinal moving mechanism is arranged on the vehicle body, the steering lifting driving mechanism is arranged in the vehicle body, and the lifting mechanisms are arranged in the vehicle body and connected with the longitudinal moving mechanism. The lifting mechanism comprises a pair of wall plates, a lifting plate, a lifting base plate, a pair of lifting arms and a pair of lifting guide devices arranged between the wall plates, wherein the upper ends of the lifting guide devices are fixed to the lifting plate. The lifting mechanism has the advantages that the structure that the steering lifting driving mechanism drives the eccentric swing arm to enable the wall plate to deviate and then drives the lifting mechanism to integrally move up and down is adopted, the lifting and steering stability is improved, the actions of making contact with a rail and lifting goods are more stable when the idler wheel lifts and switches the working wheel, and the service life is long.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tray conveying equipment technical field, concretely relates to a tray jacking four-way dolly. BACKGROUND

[0002] With the development and progress of society, all walks of life are gradually realizing automation, and conveying various materials and products in addition to production and processing will also occupy a lot of manpower and material resources, and the automatic conveying of materials and products is imminent, and is limited by cost and efficiency, at present, four-way dollies are commonly used in many industries to replace manual work to realize automatic transfer, the aforementioned four-way dolly commonly adopts the structure that the dolly lifts the tray and the goods on the tray move transversely or longitudinally along the track. It is well known that these actions generally require a transverse drive mechanism and a longitudinal drive mechanism and a jacking mechanism to realize, in order to save cost and simplify the structure of the dolly, the dolly on the market at present adjusts the structure to realize that a set of drive mechanisms can simultaneously provide power for transverse and longitudinal movement, thus greatly simplifying the drive structure, and the lifting structure and the steering structure also use a set of drive mechanisms to simultaneously provide power for lifting and steering, further simplifying the structure of the dolly, wherein the lifting and steering mainly adopt the cam mode to realize the up-down movement of the wheel body to switch the working wheel, and adopt the cam mode to jacking the upward movement of the supporting plate to realize the lifting action, but the stability of the cam structure in the driving process is poor and easy to wear, and the heavier the load, the poorer the stability, thus leading to an increase in wear, so it cannot meet the actual needs of the user.

[0003] In view of the above situation, it is necessary to design a tray jacking four-way dolly with simple structure, high action stability and long service life, which can simultaneously control steering and jacking actions by a set of drive mechanisms. For this purpose, the applicant has made a useful design, and the technical scheme to be introduced below is produced in this background. CONTENT OF THE UTILITY MODEL

[0004] The task of the utility model is to provide a tray jacking four-way dolly, which helps to improve the lifting and steering structure to improve the stability of lifting and steering, makes the action of the roller wheel contacting the track and lifting the goods more stable when switching the working wheel, and is beneficial to improve the service life of the dolly.

[0005] The utility model discloses a tray jacking four-way trolley, including a car body, a mobile drive mechanism that sets up in the car body, a pair of respectively sets up on the lateral wall of car body front and back two sides horizontal movement mechanism, a pair of front and back interval sets up in the car body and two ends respectively extend the left and right lateral wall of car body longitudinal movement mechanism, a battery box that sets up in the car body, a steering jacking drive mechanism and a pair of set up in the car body and with longitudinal movement mechanism transmission connection's jacking mechanism that set up in the car body, characteristics are: steering jacking drive mechanism and jacking mechanism between through an eccentric swing arm transmission connection, jacking mechanism includes a pair of wallboard, a jacking plate that sets up in wallboard top and two ends respectively with corresponding longitudinal movement mechanism fixed connection, a jacking backing plate that sets up in jacking plate top, a pair of set up between wallboard and with car body fixed while upper end with jacking plate fixed jacking arm and a pair of set up between wallboard and with jacking plate fixed jacking guide device.

[0006] In one specific embodiment of the utility model, the car body constitutes a car body cavity with an upward opening, the mobile drive mechanism, the horizontal movement mechanism, the longitudinal movement mechanism, the battery box, the steering jacking drive mechanism, the jacking mechanism and the eccentric swing arm are all located in the car body cavity, the left and right lateral walls of the car body are respectively provided with a longitudinal movement mechanism accommodation slot in the height direction at positions corresponding to the longitudinal movement mechanism, and the front and back sides of the car body are respectively provided with a pair of horizontal movement auxiliary wheels rotatably arranged and matched with the horizontal movement mechanism.

[0007] In another specific embodiment of the utility model, the mobile drive mechanism includes a mobile drive reduction gearbox fixed in the vehicle body and a mobile drive motor fixed and transmission connected on the mobile drive reduction gearbox, the mobile drive reduction gearbox is formed with a mobile drive reduction gearbox output shaft, the middle part of the mobile drive reduction gearbox output shaft is formed with a longitudinal drive driving wheel, and the end of the mobile drive reduction gearbox output shaft is formed with a transverse drive driving wheel; the longitudinal movement mechanism includes a longitudinal transmission rod rotatably arranged in the vehicle body through a pair of longitudinal transmission rod shaft seats, a pair of longitudinal rollers respectively arranged on the left and right side walls of the vehicle body and capable of sliding up and down, and a pair of universal joints respectively transmission connected between the longitudinal transmission rod and the longitudinal roller, wherein a longitudinal drive driven wheel is arranged on the longitudinal transmission rod of the longitudinal movement mechanism on the side close to the mobile drive mechanism, and the longitudinal drive driving wheel and the longitudinal drive driven wheel are transmission connected through a longitudinal drive chain; the transverse movement mechanism includes a transverse transmission rod rotatably arranged in the vehicle body through a pair of transverse transmission rod shaft seats, a pair of transverse driving wheels rotatably arranged on the outer side surfaces of the front and rear side walls of the vehicle body, and a pair of transverse driven wheels rotatably arranged on the outer side surfaces of the front and rear side walls of the vehicle body and located beside the corresponding transverse driving wheels, a transverse drive driven wheel is arranged on the transverse transmission rod, and the transverse drive driven wheel and the transverse drive driving wheel are transmissionally engaged; the wallboard is respectively provided with a transverse transmission rod accommodation groove at the position corresponding to the transverse transmission rod.

[0008] In another specific embodiment of the utility model, the transverse driving wheel is rotatably supported on the vehicle body through a transverse driving wheel shaft, one end of the transverse driving wheel shaft extends into the vehicle body and is formed at the end with a transverse driving wheel double-row sprocket, the transverse driven wheel is rotatably supported on the vehicle body through a transverse driven wheel shaft, one end of the transverse driven wheel shaft extends into the vehicle body and is formed at the end with a transverse driven wheel sprocket, the transverse transmission rod is respectively provided at both ends with a transverse transmission wheel corresponding to the position of the driving wheel double-row sprocket, the driving wheel double-row sprocket is transmissionally connected with the transverse transmission wheel and the transverse driven wheel sprocket through a first transverse drive chain and a second transverse drive chain, the longitudinal roller is formed with a longitudinal roller shaft extending into the vehicle body, the longitudinal roller shaft is rotatably supported on a longitudinal roller sliding block, the longitudinal roller sliding block is located on the inner side of the vehicle body and is in up-down sliding cooperation with the inner side wall of the vehicle body, a pair of longitudinal roller sliding block sliding seats are arranged on the longitudinal roller sliding block, a pair of longitudinal roller sliding block sliding rails extending upward and downward are fixed on the inner side wall of the vehicle body, the longitudinal roller sliding block sliding seat and the corresponding longitudinal roller sliding block sliding seat form a sliding pair, the longitudinal roller shaft is transmissionally connected with the corresponding universal joint after passing through the longitudinal roller sliding block sliding seat, and the upper end of the longitudinal roller sliding block sliding seat is fixed with one end of the corresponding lifting plate.

[0009] In still another specific embodiment of the utility model, the steering lifting driving mechanism includes a steering lifting reduction gearbox fixed in the vehicle body, a steering lifting motor fixed on the steering lifting reduction gearbox and in transmission connection with the steering lifting reduction gearbox and a steering lifting transmission rod rotatably supported in the vehicle body through a pair of steering lifting transmission rod bearing seats, a steering lifting reduction gearbox output wheel is installed on the output end of the steering lifting reduction gearbox, a steering lifting transmission rod driving wheel is arranged at the position corresponding to the steering lifting reduction gearbox output wheel on the steering lifting transmission rod, the steering lifting reduction gearbox output wheel and the steering lifting transmission rod driving wheel are in transmission connection through a steering lifting driving chain, the eccentric swing arms are respectively arranged at the two end portions of the steering lifting transmission rod and are in transmission connection with a pair of wall plates corresponding to the one side lifting mechanism.

[0010] In still another specific embodiment of the utility model, the eccentric swing arm includes a first swing arm fixed with the end portion of the steering lifting transmission rod, a swing arm connecting rod fixed with the first swing arm, a second swing arm hinged with the swing arm connecting rod and a driving rod hinged with the second swing arm and fixed on one end of the corresponding wall plate, the length of the second swing arm is greater than the length of the first swing arm.

[0011] In still another specific embodiment of the utility model, the lifting arm includes a lifting arm base fixed on the bottom of the vehicle body and located between the two wall plates, a pair of lifting arm lower connecting rods hinged with the lifting arm base, a lifting arm shaft located on the upper end of the lifting arm lower connecting rod and hinged with the two wall plates at the two ends, a lifting arm upper connecting rod hinged on the lifting arm shaft and a lifting arm top base fixed on the lifting plate and hinged with the upper end of the lifting arm upper connecting rod below, the lifting base plate is respectively provided with a lifting arm top base clearance at the position corresponding to the lifting arm top base.

[0012] In still another specific embodiment of the utility model, the lifting guiding device includes a lifting guiding base fixed on the bottom of the vehicle body and located between the two wall plates, a lifting guiding guide column slidably arranged in the lifting guiding base and a lifting guiding guide sleeve slidably arranged on the lifting guiding guide column, the upper end of the lifting guiding guide sleeve is provided with a lifting guiding guide sleeve flange, the lifting guiding guide sleeve is fixed with the lifting plate through the lifting guiding guide sleeve flange, and the upper end of the lifting guiding guide column is fixed with the lifting base plate.

[0013] In still another specific embodiment of the utility model, the vehicle body is further provided with a control box, and the battery box provides power for the control box, the mobile driving mechanism and the steering lifting driving mechanism.

[0014] In still another specific embodiment of the utility model, the control box is in electrical control connection with the mobile driving mechanism and the steering lifting driving mechanism and is operated in the mode of wireless control.

[0015] The utility model discloses the above -mentioned structure has the beneficial effect: because the structure that adopted the steering lifting drive mechanism and drove eccentric swing arm to make wallboard offset drives lifting mechanism whole up and down movement, discarded the traditional cam drive mode, effectively improved the stability of lifting and steering, make the action of contact track and lifting goods when the roller lift switching work wheel more stable, greatly prolongs the service life of dolly. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic view of an embodiment of the utility model;

[0017] Figure 2 It is the top view of an embodiment of the utility model;

[0018] Figure 3 It is the longitudinal movement state schematic view of an embodiment of the utility model;

[0019] Figure 4 It is the transverse movement state schematic view of an embodiment of the utility model;

[0020] Figure 5 It is the lifting state schematic view of an embodiment of the utility model.

[0021] Figure: 1. vehicle body, 11. vehicle body cavity, 12. longitudinal movement mechanism let slot, 13. transverse movement auxiliary wheel, 2. movement drive mechanism, 21. movement drive motor, 22. movement drive reduction box, 221. movement drive reduction box output shaft, 222. longitudinal drive driving wheel, 223. transverse drive driving wheel, 23. longitudinal drive chain; 3. transverse movement mechanism, 31. transverse transmission rod, 311. transverse transmission rod shaft seat, 312. transverse drive driven wheel, 313. transverse transmission wheel, 32. transverse driving wheel, 321. transverse driving wheel shaft, 322. transverse driving wheel double row sprocket, 33. transverse driven wheel, 331. transverse driven wheel shaft, 332. transverse driven wheel sprocket, 34. first transverse drive chain, 35. second transverse drive chain; 4. longitudinal movement mechanism, 41. longitudinal transmission rod, 411. longitudinal transmission rod shaft seat, 412. longitudinal drive driven wheel, 42. longitudinal roller, 421. longitudinal roller shaft, 422. longitudinal roller slider, 423. longitudinal roller slider slide seat, 424. longitudinal roller slider slide rail, 43. universal joint; 5. battery box; 6. steering lifting drive mechanism, 61. steering lifting motor, 62. steering lifting reduction box, 621. steering lifting reduction box output wheel, 63. steering lifting drive chain, 64. steering lifting transmission rod, 641. steering lifting transmission rod driving wheel, 642. steering lifting transmission rod bearing seat; 7. eccentric swing arm, 71. first swing arm, 72. swing arm connecting rod, 73. second swing arm, 74. drive rod; 8. lifting mechanism, 81. wallboard, 811. transverse transmission rod let slot, 82. lifting plate, 83. lifting pad, 831. lifting arm top seat let opening, 84. lifting arm, 841. lifting arm base, 842. lifting arm lower connecting rod, 843. lifting arm shaft, 844. lifting arm upper connecting rod, 845. lifting arm top seat, 85. lifting guide device, 851. lifting guide base, 852. lifting guide guide pillar, 853. lifting guide guide sleeve, 854. lifting guide guide sleeve flange edge. DETAILED DESCRIPTION

[0022] The specific embodiments of the present application will be described in detail below with reference to the drawings, but the description of the embodiments is not a limitation on the technical solutions, and any formal but not substantial changes according to the concept of the present application should be considered as the protection scope of the present application.

[0023] In the following description, any directional or positional concepts of up, down, left, right, front and back are based on the position shown in the drawings, and therefore should not be understood as a special limitation on the technical solutions provided by the present application. Figure 1 The specific embodiments of the present application will be described in detail below with reference to the drawings, but the description of the embodiments is not a limitation on the technical solutions, and any formal but not substantial changes according to the concept of the present application should be considered as the protection scope of the present application.

[0024] Please refer to Figure 1 and in combination with Figure 2The utility model relates to a tray jacking four-way trolley, including a car body 1, a mobile drive mechanism 2 that sets up in car body 1, a pair of respectively sets up on the lateral movement mechanism 3 of the front and rear two side walls of car body 1, a pair of front and rear interval sets up in car body 1 and two ends respectively extend the longitudinal movement mechanism 4 of the left and right two side walls of car body 1, a battery box 5 that sets up in car body 1, a steering jacking drive mechanism 6 that sets up in car body 1 and a pair of set up in car body 1 and with longitudinal movement mechanism 4 transmission connection's jacking mechanism 8.

[0025] The utility model discloses a steering jacking drive mechanism 6 and jacking mechanism 8 between through an eccentric swing arm 7 transmission connection, and the jacking mechanism 8 includes a pair of wallboard 81, a pair of wallboard 81 above and two ends respectively with corresponding longitudinal movement mechanism 4 fixed connection's jacking plate 82 that sets up, set up jacking pad plate 83 on jacking plate 82, a pair of set up between wallboard 81 and with car body 1 fixed while the upper end with jacking plate 82 fixed jacking arm 84 and a pair of set up between wallboard 81 and with jacking plate 82 fixed jacking guide device 85.

[0026] Further, the car body 1 is formed with an upwardly open car body cavity 11, the mobile drive mechanism 2, the lateral movement mechanism 3, the longitudinal movement mechanism 4, the battery box 5, the steering jacking drive mechanism 6, the jacking mechanism 8 and the eccentric swing arm 7 are located in the car body cavity 11, the left and right side walls of the car body 1 are respectively provided with a pair of lateral movement auxiliary wheels 13 that are rotatably arranged on the front and rear sides and cooperate with the lateral movement mechanism 3.

[0027] Please refer to Figure 1The mobile driving mechanism 2 comprises a mobile driving reduction gearbox 22 fixed in the vehicle body 1 and a mobile driving motor 21 fixed and drivingly connected to the mobile driving reduction gearbox 22. The mobile driving reduction gearbox 22 is provided with a mobile driving reduction gearbox output shaft 221. The middle portion of the mobile driving reduction gearbox output shaft 221 is provided with a longitudinal driving driving wheel 222, and the end portion of the mobile driving reduction gearbox output shaft 221 is provided with a transverse driving driving wheel 223. The longitudinal moving mechanism 4 comprises a longitudinal driving rod 41 rotatably arranged in the vehicle body 1 through a pair of longitudinal driving rod shaft seats 411, a pair of longitudinal rollers 42 arranged on the left and right side walls of the vehicle body 1 and capable of sliding up and down, and a pair of universal joints 43 drivingly connected between the longitudinal driving rod 41 and the longitudinal rollers 42. The longitudinal driving rod 41 of the longitudinal moving mechanism 4 near the mobile driving mechanism 2 is provided with a longitudinal driving driven wheel 412. The longitudinal driving driving wheel 222 and the longitudinal driving driven wheel 412 are drivingly connected through a longitudinal driving chain 23. The transverse moving mechanism 3 comprises a transverse driving rod 31 rotatably arranged in the vehicle body 1 through a pair of transverse driving rod shaft seats 311, a pair of transverse driving driving wheels 32 rotatably arranged on the outer side surfaces of the front and rear side walls of the vehicle body 1, and a pair of transverse driving driven wheels 33 rotatably arranged on the outer side surfaces of the front and rear side walls of the vehicle body 1 and located beside the corresponding transverse driving driving wheels 32. The transverse driving rod 31 is provided with a transverse driving driven wheel 312. The transverse driving driven wheel 312 and the transverse driving driving wheel 223 are drivingly connected to each other. The wall panels 81 are respectively provided with a transverse driving rod accommodation groove 811 corresponding to the position of the transverse driving rod 31.

[0028] In the present embodiment, the aforementioned transverse driving wheel 32 is rotatably supported on the vehicle body 1 by a transverse driving wheel shaft 321, one end of the transverse driving wheel shaft 321 extends into the vehicle body 1 and is provided at the end with a transverse driving wheel double sprocket 322, the aforementioned transverse driven wheel 33 is rotatably supported on the vehicle body 1 by a transverse driven wheel shaft 331, one end of the transverse driven wheel shaft 331 extends into the vehicle body 1 and is provided at the end with a transverse driven wheel sprocket 332, the aforementioned transverse transmission rod 31 is provided at both ends with a transverse transmission wheel 313 corresponding to the position of the transverse driving wheel double sprocket 322, the aforementioned transverse driving wheel double sprocket 322 is connected in transmission with the transverse transmission wheel 313 and the transverse driven wheel sprocket 332 through a first transverse drive chain 34 and a second transverse drive chain 35 respectively, the aforementioned longitudinal roller 42 is provided with a longitudinal roller shaft 421 extending into the vehicle body 1, the aforementioned longitudinal roller shaft 421 is rotatably supported on a longitudinal roller sliding block 422, the aforementioned longitudinal roller sliding block 422 is located on the inner side of the vehicle body 1 and is in sliding fit with the inner side wall of the vehicle body 1, a pair of longitudinal roller sliding block sliding seats 423 are provided on the longitudinal roller sliding block 422, a pair of longitudinal roller sliding block sliding rails 424 extending upward and downward are fixed on the inner side wall of the vehicle body 1, the aforementioned longitudinal roller sliding block sliding seat 423 and the corresponding longitudinal roller sliding block sliding seat 423 form a sliding pair, the aforementioned longitudinal roller shaft 421 is connected in transmission with the corresponding universal joint 43 after passing through the longitudinal roller sliding block sliding seat 423, the upper end of the aforementioned longitudinal roller sliding block sliding seat 423 is fixed with one end of the corresponding lifting plate 82, wherein the aforementioned longitudinal roller shaft 421 corresponds to the corresponding longitudinal movement mechanism clearance slot 12.

[0029] Further, the aforementioned steering lifting drive mechanism 6 comprises a steering lifting reduction box 62 fixed in the vehicle body 1, a steering lifting motor 61 fixed on the steering lifting reduction box 62 and connected in transmission with the steering lifting reduction box 62, and a steering lifting transmission rod 64 rotatably supported in the vehicle body 1 through a pair of steering lifting transmission rod bearing seats 642, the output end of the aforementioned steering lifting reduction box 62 is provided with a steering lifting reduction box output wheel 621, the aforementioned steering lifting transmission rod 64 is provided at the position corresponding to the steering lifting reduction box output wheel 621 with a steering lifting transmission rod drive wheel 641, the aforementioned steering lifting reduction box output wheel 621 and the steering lifting transmission rod drive wheel 641 are connected in transmission through a steering lifting drive chain 63, the aforementioned eccentric swing arm 7 is provided at both ends of the steering lifting transmission rod 64 and connected in transmission with a pair of wall plates 81 of the corresponding side lifting mechanism 8.

[0030] Further, the eccentric swing arm 7 comprises a first swing arm 71 fixed to the end of the steering lifting driving rod 64, a swing arm connecting rod 72 fixed to the first swing arm 71, a second swing arm 73 hinged to the swing arm connecting rod 72, and a driving rod 74 hinged to the second swing arm 73 and fixed to one end of the corresponding wall plate 81, wherein the length of the second swing arm 73 is greater than that of the first swing arm 71.

[0031] In the embodiment, the lifting arm 84 comprises a lifting arm base 841 fixed to the inner bottom of the vehicle body 1 and located between the two wall plates 81, a lifting arm lower connecting rod 842 hinged to the lifting arm base 841 at the lower end, a lifting arm shaft 843 located at the upper end of the lifting arm lower connecting rod and hinged to the two side wall plates 81 at the two ends, respectively, a lifting arm upper connecting rod 844 hinged to the lifting arm shaft 843 at the lower end, and a lifting arm top base 845 fixed to the lifting plate 82 and hinged to the upper end of the lifting arm upper connecting rod 844, wherein the lifting pad plate 83 is provided with a lifting arm top base accommodation opening 831 corresponding to the position of the lifting arm top base 845.

[0032] Further, the lifting guide device 85 comprises a lifting guide base 851 fixed to the inner bottom of the vehicle body 1 and located between the two wall plates 81, a lifting guide guide column 852 arranged in the lifting guide base 851 and capable of sliding up and down, and a lifting guide guide sleeve 853 arranged on the lifting guide guide column 852 in a sliding manner, wherein the upper end of the lifting guide guide sleeve 853 is provided with a lifting guide guide sleeve flange 854, the lifting guide guide sleeve 853 is fixed to the lifting plate 82 through the lifting guide guide sleeve flange 854, and the upper end of the lifting guide guide column 852 is fixed to the lifting pad plate 83.

[0033] In the embodiment, the vehicle body 1 is further provided with a control box, and the battery box 5 provides power for the control box, the mobile driving mechanism 2 and the steering lifting driving mechanism 6, respectively. The control box is electrically connected to the mobile driving mechanism 2 and the steering lifting driving mechanism 6, respectively, and is operated in a wireless control mode. The control box for realizing the above functions has been disclosed in the prior art and related applications, and will not be described here.

[0034] Please refer to Figures 3-5 in combination with Figure 1 and Figure 2 to describe the working principle of the utility model: when the trolley needs to move longitudinally, such as Figure 3As shown, the aforementioned steering lifting motor 61 works, drives the steering lifting reduction box 62 to rotate the steering lifting reduction box output wheel 621, and further drives the steering lifting transmission rod 64 to rotate. The aforementioned steering lifting transmission rod 64 drives the first swing arm 71 to rotate counterclockwise. The aforementioned first swing arm 71 drives the second swing arm 73 to swing through the swing arm connecting rod 72. The swing of the aforementioned second swing arm 73 pushes the wall plate 81 to move left through the driving rod 74. The aforementioned wall plate 81 pushes the lifting arm shaft 843 to move left during the movement, so that the lifting arm lower connecting rod 842 and the lifting arm upper connecting rod 844 are folded with each other. The aforementioned lifting plate 82 gradually lowers during the folding of the lifting arm 84 and slides downward on the lifting guide guide column 852 through the lifting guide guide sleeve 853 to leave the lifting base plate 83. When the aforementioned lifting plate 82 slides downward, it pushes the corresponding longitudinal roller slider 422 on both sides to move downward. The aforementioned longitudinal roller 42 descends with the movement of the longitudinal roller slider 422, until the longitudinal roller 42 is supported on the longitudinal rail and supports the weight of the vehicle body 1. At the same time, the aforementioned moving drive motor 21 works, drives the moving drive reduction box 22 to rotate the longitudinal drive driving wheel 222, and the aforementioned longitudinal drive driving wheel 222 drives the longitudinal drive driven wheel 412 and the longitudinal transmission rod 41 to rotate. The aforementioned longitudinal transmission rod 41 drives the longitudinal roller 42 to rotate through the universal joint 43 at both ends, so as to realize the longitudinal movement of the trolley. Figure 4As shown, the steering and lifting motor 61 works to drive the steering and lifting gearbox 62 to rotate the steering and lifting gearbox output wheel 621, and further drive the steering and lifting transmission rod 64 to rotate, the steering and lifting transmission rod 64 drives the first swing arm 71 to rotate clockwise, the first swing arm 71 drives the second swing arm 73 to swing through the swing arm connecting rod 72, the second swing arm 73 drives the wall plate 81 to move right through the driving rod 74, the wall plate 81 drives the lifting arm shaft 843 to move right in the moving process, so that the lifting arm lower connecting rod 842 and the lifting arm upper connecting rod 844 are unfolded to each other, the lifting plate 82 is gradually lifted in the unfolding process of the lifting arm 84, and gradually approaches the lifting base plate 83 by sliding up on the lifting guide guide column 852 through the lifting guide guide sleeve 853, when the lifting plate 82 slides up, the corresponding longitudinal roller sliders 422 on both sides are driven to move up, the longitudinal roller 42 rises with the movement of the longitudinal roller slider 422, until the longitudinal roller 42 is in a suspended state by being separated from the longitudinal rail, at this time, the weight of the vehicle body 1 is supported on the transverse driving wheel 32, the transverse driven wheel 33 and the transverse moving auxiliary wheel 13, and the moving drive motor 21 works to drive the moving drive gearbox 22 to rotate the transverse drive driving wheel 223, the transverse drive driving wheel 223 drives the transverse drive driven wheel 312 and the transverse transmission rod 31 to rotate, the transverse transmission rod 31 drives the transverse driving wheel 32 and the transverse driven wheel 33 to rotate through the first transverse drive chain 34 and the second transverse drive chain 35 at the same time, so that the lateral movement of the trolley is realized; when the goods above the trolley need to be lifted, for example Figure 5 As shown, the steering and lifting motor 61 works to drive the steering and lifting gearbox 62 to rotate the steering and lifting gearbox output wheel 621, and further drive the steering and lifting transmission rod 64 to rotate, the steering and lifting transmission rod 64 drives the first swing arm 71 to rotate clockwise, the first swing arm 71 drives the second swing arm 73 to swing through the swing arm connecting rod 72, the second swing arm 73 drives the wall plate 81 to continue to move right through the driving rod 74, the wall plate 81 drives the lifting arm shaft 843 to move right in the moving process, so that the lifting arm lower connecting rod 842 and the lifting arm upper connecting rod 844 are further unfolded to be close to vertical to each other, the lifting plate 82 continues to rise upwards in the unfolding process of the lifting arm 84 and drives the lifting base plate 83 to move upwards, the lifting base plate 83 slides upwards on the lifting guide base 851 through the lifting guide guide column 852 and jacks up the goods, so that the lifting action of the trolley is realized.

[0035] In summary, the technical scheme of the utility model makes up for the defects in the prior art, successfully completes the invention task, and truly realizes the technical effects described in the technical effect column above.

Claims

1. A tray jacking four-way trolley, comprising a trolley body (1), a moving driving mechanism (2) arranged in the trolley body (1), a pair of transverse moving mechanisms (3) arranged on the front and rear sidewalls of the trolley body (1) respectively, a pair of longitudinal moving mechanisms (4) arranged in the trolley body (1) at intervals between the front and rear and with both ends extending out of the left and right sidewalls of the trolley body (1) respectively, a battery box (5) arranged in the trolley body (1), a steering and jacking driving mechanism (6) arranged in the trolley body (1), and a pair of jacking mechanisms (8) arranged in the trolley body (1) and drivingly connected with the longitudinal moving mechanisms (4), characterized in that: The turning and lifting driving mechanism (6) is connected with the lifting mechanism (8) through an eccentric swing arm (7), the lifting mechanism (8) comprises a pair of wall plates (81), a lifting plate (82) arranged above the wall plates (81) and fixedly connected with corresponding longitudinal moving mechanisms (4) at both ends, a lifting base plate (83) arranged above the lifting plate (82), a pair of lifting arms (84) arranged between the wall plates (81) and fixed with the vehicle body (1) at lower ends and with the lifting plate (82) at upper ends, and a pair of lifting guide devices (85) arranged between the wall plates (81) and fixed with the lifting plate (82) at upper ends.

2. The pallet lifting four-way trolley according to claim 1, characterized in that: The vehicle body (1) is provided with an upwardly open vehicle body cavity (11), the moving driving mechanism (2), the lateral moving mechanism (3), the longitudinal moving mechanism (4), the battery box (5), the turning and lifting driving mechanism (6), the lifting mechanism (8) and the eccentric swing arm (7) are all located in the vehicle body cavity (11), a longitudinal moving mechanism accommodation slot (12) is formed in the height direction on each of the left and right side walls of the vehicle body (1) at a position corresponding to the longitudinal moving mechanism (4), and a pair of lateral moving auxiliary wheels (13) are rotatably arranged on the front and rear sides of the vehicle body (1) and matched with the lateral moving mechanism (3).

3. The pallet lifting four-way trolley according to claim 1, characterized in that: The mobile driving mechanism (2) comprises a mobile driving reduction gearbox (22) fixed in the vehicle body (1) and a mobile driving motor (21) fixed and drivingly connected to the mobile driving reduction gearbox (22), the mobile driving reduction gearbox (22) is provided with a mobile driving reduction gearbox output shaft (221), the middle part of the mobile driving reduction gearbox output shaft (221) is provided with a longitudinal driving driving wheel (222), and the end part of the mobile driving reduction gearbox output shaft (221) is provided with a transverse driving driving wheel (223); the longitudinal moving mechanism (4) comprises a longitudinal transmission rod (41) rotatably arranged in the vehicle body (1) through a pair of longitudinal transmission rod shaft seats (411), a pair of longitudinal rollers (42) arranged on the left and right side walls of the vehicle body (1) and capable of sliding up and down, and a pair of universal joints (43) drivingly connected between the longitudinal transmission rod (41) and the longitudinal rollers (42), wherein the longitudinal transmission rod (41) of the longitudinal moving mechanism (4) near the mobile driving mechanism (2) is provided with a longitudinal driving driven wheel (412), and the longitudinal driving driving wheel (222) and the longitudinal driving driven wheel (412) are drivingly connected through a longitudinal driving chain (23); the transverse moving mechanism (3) comprises a transverse transmission rod (31) rotatably arranged in the vehicle body (1) through a pair of transverse transmission rod shaft seats (311), a pair of transverse driving driving wheels (32) rotatably arranged on the outer side surfaces of the front and rear side walls of the vehicle body (1), and a pair of transverse driving driven wheels (33) rotatably arranged on the outer side surfaces of the front and rear side walls of the vehicle body (1) and located beside the corresponding transverse driving driving wheels (32), the transverse transmission rod (31) is provided with a transverse driving driven wheel (312), and the transverse driving driven wheel (312) and the transverse driving driving wheel (223) are drivingly engaged; the wallboard (81) is provided with a transverse transmission rod accommodation groove (811) at the position corresponding to the transverse transmission rod (31).

4. A pallet lifting four-way trolley according to claim 3, characterised in that: The lateral driving wheel (32) is rotatably supported on the vehicle body (1) by a lateral driving wheel shaft (321), one end of the lateral driving wheel shaft (321) extends into the vehicle body (1) and is provided with a lateral driving wheel double-row sprocket (322) at the end, the lateral driven wheel (33) is rotatably supported on the vehicle body (1) by a lateral driven wheel shaft (331), one end of the lateral driven wheel shaft (331) extends into the vehicle body (1) and is provided with a lateral driven wheel sprocket (332) at the end, the lateral transmission rod (31) is provided with a lateral transmission wheel (313) at both ends corresponding to the position of the driving wheel double-row sprocket (322), the driving wheel double-row sprocket (322) is respectively connected with a first lateral driving chain (34) and a second lateral driving chain (35) and the lateral transmission wheel (313) and the lateral driven wheel sprocket (332) through the lateral transmission wheel (313), the longitudinal roller (42) is provided with a longitudinal roller shaft (421) extending into the vehicle body (1), the longitudinal roller shaft (421) is rotatably supported on a longitudinal roller sliding block (422), the longitudinal roller sliding block (422) is located on the inner side of the vehicle body (1) and is in sliding fit with the inner side wall of the vehicle body (1), the longitudinal roller sliding block (422) is provided with a pair of longitudinal roller sliding block sliding seats (423), the inner side wall of the vehicle body (1) is fixed with a pair of longitudinal roller sliding block sliding rails (424) extending upward and downward, the longitudinal roller sliding block sliding seat (423) and the corresponding longitudinal roller sliding block sliding seat (423) form a sliding pair, the longitudinal roller shaft (421) is connected with the corresponding universal joint (43) through the longitudinal roller sliding block sliding seat (423), and the upper end of the longitudinal roller sliding block sliding seat (423) is fixed with one end of the corresponding lifting plate (82).

5. The pallet spreader four-way vehicle of claim 1, wherein: The steering lifting driving mechanism (6) comprises a steering lifting reduction box (62) fixed in the vehicle body (1), a steering lifting motor (61) fixed on the steering lifting reduction box (62) and in driving connection with the steering lifting reduction box (62), and a steering lifting transmission rod (64) rotatably supported in the vehicle body (1) through a pair of steering lifting transmission rod bearing seats (642), an output wheel (621) of the steering lifting reduction box (62) is mounted on the output end of the steering lifting reduction box (62), a driving wheel (641) of the steering lifting transmission rod (64) is arranged at a position corresponding to the output wheel (621) of the steering lifting reduction box (62), and the output wheel (621) of the steering lifting reduction box and the driving wheel (641) of the steering lifting transmission rod are in driving connection through a steering lifting driving chain (63). The eccentric swing arm (7) is arranged at both ends of the steering lifting transmission rod (64) and is in driving connection with a pair of wall plates (81) of the corresponding side lifting mechanism (8).

6. A pallet spreader as claimed in claim 5, characterized in that: The eccentric swing arm (7) comprises a first swing arm (71) fixed with the end of the steering lifting driving rod (64), a swing arm connecting rod (72) fixed with the first swing arm (71), a second swing arm (73) hinged with the swing arm connecting rod (72), and a driving rod (74) hinged with the second swing arm (73) and fixed on one end of the corresponding wall plate (81), wherein the length of the second swing arm (73) is greater than that of the first swing arm (71).

7. The pallet spreader four-way vehicle of claim 1, wherein: The lifting arm (84) comprises a lifting arm base (841) fixed on the inner bottom of the vehicle body (1) and located between the two wall plates (81), a lifting arm lower connecting rod (842) hinged with the lifting arm base (841) at the lower end, a lifting arm shaft (843) located at the upper end of the lifting arm lower connecting rod and hinged with the two side wall plates (81) at both ends, a lifting arm upper connecting rod (844) hinged with the lifting arm shaft (843) at the lower end, and a lifting arm top base (845) fixed on the lifting plate (82) and hinged with the upper end of the lifting arm upper connecting rod (844) below, wherein the lifting pad plate (83) is provided with a lifting arm top base accommodation opening (831) corresponding to the position of the lifting arm top base (845).

8. The pallet spreader four-way vehicle of claim 1, wherein: The lifting guide device (85) comprises a lifting guide base (851) fixed on the inner bottom of the vehicle body (1) and located between the two wall plates (81), a lifting guide guide column (852) arranged in the lifting guide base (851) and capable of sliding up and down, and a lifting guide guide sleeve (853) slidingly arranged on the lifting guide guide column (852), wherein the upper end of the lifting guide guide sleeve (853) is provided with a lifting guide guide sleeve flange (854), the lifting guide guide sleeve (853) is fixed with the lifting plate (82) through the lifting guide guide sleeve flange (854), and the upper end of the lifting guide guide column (852) is fixed with the lifting pad plate (83).

9. The pallet spreader four-way vehicle of claim 1, wherein: The vehicle body (1) is further provided with a control box, and the battery box (5) provides power for the control box, the mobile driving mechanism (2) and the steering lifting driving mechanism (6) respectively.

10. A pallet lifting four-way trolley according to claim 9, characterised in that: The control box is electrically controlled and connected with the mobile driving mechanism (2) and the steering lifting driving mechanism (6) respectively and is operated in a wireless control mode.

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