Auxiliary device for loading and unloading garbage can of electric cleaning vehicle

Abstract

The utility model discloses an auxiliary device for loading and unloading a garbage can of an electric cleaning vehicle, which relates to the technical field of electric cleaning vehicles and comprises a collecting box, a lifting mechanism arranged on one side of the collecting box, a rotating component and a clamping mechanism. The lifting mechanism comprises a lifting base horizontally arranged on one side of the collecting box, a lead screw vertically arranged in one end of the lifting base, a sliding rod vertically arranged in the other end of the lifting base, and supporting bases rotationally connected to the two ends of the lead screw and the two ends of the sliding rod correspondingly and fixed to the outer wall of the collecting box. One end of the screw rod is connected with a driving motor; the clamping mechanism is connected to the outer side of the lifting seat through a rotating assembly, and the clamping mechanism comprises a supporting arm and a clamping assembly which are symmetrically arranged; the motor drives the lead screw to drive the clamping mechanism to move vertically, the rotating motor rotates through worm and gear transmission, finally, the garbage can is lifted and rotated to the position above the collecting box to be dumped, and full-process automatic operation is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric sanitation vehicle technical field, concretely is a kind of electric sanitation vehicle garbage can loading and unloading auxiliary device. BACKGROUND

[0002] In the city environmental sanitation work, electric sanitation vehicle is the important tool for garbage collection, and the loading and unloading work of its garbage can is the key link in garbage collection process;Traditional garbage can loading and unloading mode mainly relies on manual operation, and this mode has many drawbacks;

[0003] Manual loading and unloading not only have great labor intensity, but also need to invest a lot of manpower cost, and work efficiency is low, and it is difficult to meet the growing demand of urban garbage disposal;At the same time, there is a great safety risk in manual operation process, such as the possibility of causing workers to be injured when transporting garbage can, and the placement position and angle of garbage can are difficult to accurately control, which may affect the effect of garbage dumping;

[0004] Part of existing garbage can loading and unloading device realizes a certain degree of mechanization, but the degree of automation is still not high enough, and the operation process is complex, which needs manual intervention;And, these devices often lack protection mechanism for garbage can and device itself in design, and garbage can is damaged or device component is worn out due to excessive impact force in clamping and loading and unloading process, which increases maintenance cost;In addition, most of the existing devices do not have intelligent control function, and cannot automatically adjust clamping force according to the actual situation of garbage can, which may cause garbage can to fall due to loose clamping or garbage can to be damaged due to tight clamping;

[0005] Therefore, the market urgently needs an electric sanitation vehicle garbage can loading and unloading auxiliary device with high degree of automation, buffer protection function and intelligent control, to improve the efficiency and safety of garbage loading and unloading work, reduce labor intensity and maintenance cost. INVENTION CONTENTS

[0006] The utility model aims at providing an electric sanitation vehicle garbage can loading and unloading auxiliary device, which realizes automatic clamping, lifting and rotating of garbage can, improves work efficiency and reduces manual operation;Elastic buffer structure is provided to buffer clamping impact force, so as to avoid damage to garbage can and device;And intelligent control is realized through pressure sensor and controller, clamping force is adjusted according to pressure value, and garbage can is safely and stably clamped.

[0007] To achieve the above object, the utility model provides the following technical scheme: A kind of garbage can loading and unloading auxiliary device of electric cleaning vehicle, including collection box, lifting mechanism being arranged in the one side of the collection box, rotating assembly, clamping mechanism;The lifting mechanism includes lifting seat being arranged horizontally in the one side of collection box, screw rod being arranged vertically in the one end inside of the lifting seat and sliding rod being arranged vertically in the other end inside, support seat is respectively rotationally connected in the two ends of the screw rod and sliding rod and is fixed with the outer wall of collection box;One end of the screw rod is connected with driving motor;

[0008] The clamping mechanism is connected to the outside of lifting seat by rotating assembly, and the clamping mechanism includes support arms and clamping assemblies arranged symmetrically;The rotating assembly includes a connecting seat fixed in the middle of the lifting seat, a rotating shaft penetrating the connecting seat, one end of each of the two support arms is fixed to the two sides of the rotating shaft, and the other end is connected with the clamping assembly;A worm gear is provided on one end of the rotating shaft, a worm is engaged with the worm gear, a rotating motor is provided on the lifting seat, and the output shaft of the rotating motor is coaxially fixedly connected with the worm.

[0009] To make the operation of clamping the garbage can more stable and feasible, as a preferred garbage can loading and unloading auxiliary device of electric cleaning vehicle of the utility model, the clamping assembly includes a slide rail, a bidirectional threaded rod, a servo motor and two clamping arms;An adjusting groove is opened in the slide rail, and the clamping arms are slidingly connected in the adjusting groove;The bidirectional threaded rod is threadedly penetrated through the clamping arms and rotationally connected with the adjusting groove, and the servo motor is fixed on the slide rail and connected with the end of the bidirectional threaded rod through a speed reducer.

[0010] To improve the stability and durability of the device, and avoid damage to the garbage can and the device due to excessive clamping force, as a preferred garbage can loading and unloading auxiliary device of electric cleaning vehicle of the utility model, a buffer base is fixedly connected to the back of the slide rail, a guide column is vertically provided on the top of the support arm, the guide column penetrates through the buffer base and extends above it, and a anti-dropping limiting block is provided on the extended end of the guide column;A compression spring is sleeved on the guide column, and the two ends of the compression spring abut against the top surface of the support arm and the bottom surface of the buffer base, respectively, forming an elastic buffer structure between the slide rail and the support arm.

[0011] To realize intelligent control of clamping force, ensure that the garbage can is clamped safely and stably, and improve the intelligent level of the device, as a preferred garbage can loading and unloading auxiliary device of electric cleaning vehicle of the utility model, a plurality of pressure sensors are uniformly arranged on the inside of the clamping arm along the length direction;The inside of the clamping arm is covered with an elastic rubber layer, the pressure sensors are embedded between the elastic rubber layer and the clamping arm body, a controller is provided on the collection box, and the pressure sensors are connected with the controller by wireless signals, and the controller adjusts the clamping force of the clamping arm according to the pressure value.

[0012] In order to prevent the sewage in the garbage can from flowing to the device, keep the device clean, prolong the service life of the device, as an electric cleaning vehicle garbage can loading and unloading auxiliary device of the utility model, the top of the slide rail is equipped with a flow guide plate perpendicular to the width direction thereof.

[0013] In order to improve the wear resistance and waterproofness of the slide rod, reduce the friction resistance in the lifting process, and make the lifting more smooth, as an electric cleaning vehicle garbage can loading and unloading auxiliary device of the utility model, a polytetrafluoroethylene coating is arranged on the surface of the slide rod.

[0014] In order to improve the working reliability of the device in harsh environments, as an electric cleaning vehicle garbage can loading and unloading auxiliary device of the utility model, the driving motor is fixedly connected with the support base, the driving motor is a waterproof motor, and the output shaft of the waterproof motor is connected with the lead screw through a shaft coupling.

[0015] Compared with the prior art, the utility model has the beneficial effects as follows:

[0016] 1. The utility model discloses a motor-driven lead screw, a rotating shaft and a bidirectional threaded rod, realizes automatic clamping, lifting and rotating of the garbage can, reduces manual operation, and improves work efficiency.

[0017] 2. The utility model discloses that the elastic buffer structure is arranged between the slide rail and the supporting arm, can effectively buffer the impact force generated in the clamping process, and avoids damage of the garbage can and the device.

[0018] 3. The utility model discloses that the pressure sensor monitors the clamping force in real time, and transmits a signal to the controller, and the controller adjusts the clamping force of the clamping arm according to the pressure value, so that the garbage can is safely and stably clamped. DRAWINGS

[0019] Figure 1 It is the whole front view structure drawing of the utility model electric cleaning vehicle garbage can loading and unloading auxiliary device.

[0020] Figure 2 It is the structure schematic view of the lead screw and the connecting seat of the utility model.

[0021] Figure 3 It is the structure schematic view of the buffer base and the guide column of the utility model.

[0022] Figure 4 It is the structure schematic view of the clamping arm and the elastic rubber layer of the utility model.

[0023] Figure 5 It is the structure schematic view of the slide rod and the polytetrafluoroethylene coating of the utility model.

[0024] In the figure: 1, lifting seat; 2, lead screw; 3, sliding rod; 4, support seat; 5, drive motor; 6, support arm; 7, clamping assembly; 8, connecting seat; 9, rotating shaft; 10, worm gear; 11, worm; 12, rotating motor; 13, sliding rail; 14, two-way threaded rod; 15, servo motor; 16, clamping arm; 17, adjusting groove; 18, buffer base; 19, guide column; 20, anti-falling limit block; 21, compression spring; 22, pressure sensor; 23, elastic rubber layer; 24, controller; 25, flow guide plate; 26, polytetrafluoroethylene coating. DETAILED DESCRIPTION

[0025] Please refer to Figures 1 to 5 A kind of electric cleaning vehicle garbage can loading and unloading auxiliary device, including collection box, lifting mechanism being arranged in the one side of collection box, rotating assembly, clamping mechanism;Lifting mechanism includes horizontally arranged in the one side of collection box lifting seat 1, vertically arranged in the one end inside of lifting seat 1 lead screw 2 and vertically arranged in the other end inside sliding rod 3, respectively rotationally connected in the two ends of lead screw 2 and sliding rod 3 and with the outer wall of collection box fixed support seat 4;The one end of lead screw 2 is connected with drive motor 5;

[0026] Clamping mechanism is connected to the outer side of lifting seat 1 by rotating assembly, and clamping mechanism includes symmetrically arranged support arm 6 and clamping assembly 7;Rotating assembly includes connecting seat 8 fixed in the middle of lifting seat 1, rotating shaft 9 penetrating connecting seat 8, one end of two support arms 6 is respectively fixed on the two sides of rotating shaft 9, the other end is connected with clamping assembly 7;Rotating shaft 9 one end is equipped with worm gear 10, worm gear 10 is engaged with worm 11, lifting seat 1 is equipped with rotating motor 12, the output shaft of rotating motor 12 is coaxially fixedly connected with worm 11.

[0027] In the embodiment: collection box is used to store the garbage poured from the garbage can;Lifting seat 1 is used as the installation base of rotating assembly and clamping mechanism, support seat 4 is used to support lead screw 2 and sliding rod 3, and fix them on the outer wall of collection box;Connecting seat 8 is fixed in the middle of lifting seat 1, which provides support for rotating shaft 9, when it is needed to lift the garbage can above the collection box to pour garbage, the clamping mechanism clamps the garbage can, starts drive motor 5, lead screw 2 rotates under the drive of drive motor 5, so that lifting seat 1 realizes lifting function, sliding rod 3 provides guiding action for the lifting of lifting seat 1, ensures the stability of lifting process, and then drives the clamping mechanism connected with lifting seat 1 and the garbage can to rise together, completes lifting action;Start rotating motor 12 to provide power for the rotation of worm 11, worm 11 is engaged with worm gear 10, the rotation of worm 11 is converted into the rotation of rotating shaft 9, rotating shaft 9 drives support arm 6 and clamping assembly 7 to rotate together, realizes the rotation function of garbage can, can rotate the clamped garbage can above the collection box, and pour the garbage in the garbage can into the collection box;

[0028] The driving motor 5, the rotating motor 12 and the servo motor 15 are all self-locking motors and are electrically connected with the controller 24.

[0029] As a technical optimization scheme of the utility model, the clamping assembly 7 includes slide rail 13, two-way threaded rod 14, servo motor 15 and two clamping arms 16; the slide rail 13 is provided with adjusting groove 17, and the clamping arm 16 is slidingly connected in the adjusting groove 17; the two-way threaded rod 14 is threadedly penetrated through the clamping arm 16 and is rotationally connected with the adjusting groove 17, and the servo motor 15 is fixed on the slide rail 13 and is connected with the end of the two-way threaded rod 14 through a speed reducer.

[0030] In the embodiment, the slide rail 13 provides a guide for the sliding of the clamping arm 16, the two-way threaded rod 14 is provided with a reverse threaded section, and the servo motor 15 provides power for the rotation of the two-way threaded rod 14, so that the two clamping arms 16 slide relative to each other, the clamping of the garbage can is realized, and the clamping arm 16 directly clamps the garbage can to fix the garbage can.

[0031] As a technical optimization scheme of the utility model, the back of the slide rail 13 is fixedly connected with a buffer base 18, the top of the supporting arm 6 is vertically provided with a guide column 19, the guide column 19 penetrates through the buffer base 18 and extends above the buffer base 18, and the extending end of the guide column 19 is provided with a anti-disengagement limiting block 20; the guide column 19 is sleeved with a compression spring 21, and the two ends of the compression spring 21 abut against the top surface of the supporting arm 6 and the bottom surface of the buffer base 18, respectively, to form an elastic buffer structure between the slide rail 13 and the supporting arm 6.

[0032] In the embodiment, the buffer base 18 and the supporting arm 6 form an elastic buffer structure through the guide column 19 and the compression spring 21, so as to buffer the impact force in the clamping process, the guide column 19 provides a guide for the up-down movement of the buffer base 18 and prevents the buffer base 18 from disengaging from the supporting arm 6, and the anti-disengagement limiting block 20 prevents the guide column 19 from disengaging from the buffer base 18.

[0033] As a technical optimization scheme of the utility model, multiple pressure sensors 22 are uniformly arranged on the inner side of the clamping arm 16 along the length direction; the inner side of the clamping arm 16 is covered with an elastic rubber layer 23, the pressure sensor 22 is embedded between the elastic rubber layer 23 and the body of the clamping arm 16, a controller 24 is arranged on the collecting box, and the pressure sensor 22 is signal-connected with the controller 24 through wireless signals, and the controller 24 adjusts the clamping force of the clamping arm 16 according to the pressure value.

[0034] In the embodiment, the controller 24 adjusts the clamping force of the clamping arm 16 according to the signal transmitted by the pressure sensor 22 to realize intelligent control.

[0035] As a technical optimization scheme of the utility model, the top of the slide rail 13 is provided with a guide plate 25 perpendicular to the width direction of the slide rail 13.

[0036] In this embodiment: the flow guide plate 25 prevents the sewage in the garbage can from flowing to the device, and keeps the device clean.

[0037] As a technical optimization scheme of the utility model, the surface of the sliding rod 3 is provided with a polytetrafluoroethylene coating 26.

[0038] In this embodiment: the polytetrafluoroethylene coating 26 improves the wear resistance and water resistance of the sliding rod 3, and reduces the frictional resistance in the lifting process.

[0039] As a technical optimization scheme of the utility model, the driving motor 5 is fixedly connected with the support seat 4, the driving motor 5 is a waterproof motor, and the output shaft of the driving motor 5 is connected with the lead screw 2 through a shaft coupling.

[0040] In this embodiment: the output shaft of the driving motor 5 and the lead screw 2, start the driving motor 5, transmit power, and make the lifting seat 1 realize the function of moving up and down.

[0041] Working principle:

[0042] The electric cleaning vehicle drives to the position of the garbage can, starts the servo motor 15 in the clamping assembly 7, the servo motor 15 drives the bidirectional threaded rod 14 to rotate, because the bidirectional threaded rod 14 is screwed through the two clamping arms 16 and is rotationally connected with the adjusting groove 17 on the slide rail 13, and the clamping arms 16 are slidingly connected in the adjusting groove 17, so the rotation of the bidirectional threaded rod 14 will make the two clamping arms 16 relatively slide in the adjusting groove 17, the two clamping arms 16 gradually approach the garbage can, when the pressure sensor 22 inside the clamping arm 16 detects that the pressure value reaches a certain degree, it means that the garbage can has been contacted, at this time, the pressure sensor 22 transmits the signal to the controller 24 on the collection box; the controller 24 judges whether the clamping force is appropriate according to the received pressure value, if the pressure value is too small, the controller 24 will control the servo motor 15 to continue to rotate to increase the clamping force; if the pressure value is too large, the controller 24 will control the servo motor 15 to rotate reversely to reduce the clamping force, until the appropriate clamping force is reached, to ensure that the garbage can is clamped stably; after the garbage can is clamped stably, the driving motor 5 in the lifting mechanism is started, the driving motor 5 drives the screw rod 2 to rotate through the shaft coupling, because the screw rod 2 is threadedly connected with the lifting seat 1, and the other end of the lifting seat 1 is sleeved on the slide rod 3, the slide rod 3 provides a guide for the movement of the lifting seat 1, so the rotation of the screw rod 2 will make the lifting seat 1 move vertically upward along the screw rod 2 and the slide rod 3; with the lifting of the lifting seat 1, the clamping mechanism connected with the lifting seat 1 through the rotating assembly and the clamped garbage can also rise together, until the garbage can rises to the appropriate height; after the garbage can rises to the appropriate height, the rotating motor 12 in the rotating assembly is started, the output shaft of the rotating motor 12 drives the worm 11 coaxially fixed connected therewith to rotate, the worm 11 is engaged with the worm wheel 10 at one end of the rotating shaft 9, so as to convert the rotation of the worm 11 into the rotation of the rotating shaft 9; the rotation of the rotating shaft 9 drives the support arm 6 fixed on both sides thereof to rotate, the support arm 6 drives the clamping mechanism and the garbage can connected therewith to rotate together; when the garbage can rotates to above the collection box, the rotating motor 12 is stopped, at this time, the garbage can is in the position ready to dump garbage; the position of the garbage can above the collection box is maintained, at this time, the garbage in the garbage can naturally falls into the collection box under the action of gravity; if there is residual garbage in the garbage can, the garbage can be completely poured into the collection box by appropriately adjusting the angle of the garbage can or slightly vibrating the clamping mechanism; during the dumping process, the deflector 25 at the top of the slide rail 13 will prevent the sewage in the garbage can from flowing to the device, keeping the device clean; after the garbage is dumped, the rotating motor 12 is started to rotate reversely, driving the rotating shaft 9 to rotate reversely, so as to make the garbage can rotate back to the initial position; the driving motor 5 is started to rotate reversely, driving the screw rod 2 to rotate reversely, making the lifting seat 1 move vertically downward along the screw rod 2 and the slide rod 3, lowering the garbage can to the initial height;And start servo motor 15, make it reverse rotation, drive the bidirectional screw rod 14 reverse rotation, make two clamping arms 16 in the adjusting groove 17 relative far away, loosen the clamping to the garbage can, finally the electric cleaning vehicle can continue to drive to the next garbage can position, repeat the above work process, carry out the next garbage can loading and unloading operation.

[0043] The above are only preferred embodiments of the present application, and are not used to limit the present application, and any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electrically powered cleaning vehicle garbage can loading and unloading auxiliary device, comprising a collection box, characterized in that: The collecting box is provided with a lifting mechanism, a rotating assembly and a clamping mechanism on one side; the lifting mechanism comprises a lifting seat (1) horizontally arranged on one side of the collecting box, a lead screw (2) vertically arranged in one end of the lifting seat (1) and a sliding rod (3) vertically arranged in the other end, and support seats (4) respectively rotationally connected to two ends of the lead screw (2) and the sliding rod (3) and fixed to the outer wall of the collecting box; one end of the lead screw (2) is connected with a driving motor (5); The clamping mechanism is connected to the outside of the lifting seat (1) through the rotating assembly, and the clamping mechanism comprises symmetrically arranged support arms (6) and a clamping assembly (7); the rotating assembly comprises a connecting seat (8) fixed to the middle part of the lifting seat (1), a rotating shaft (9) penetrating through the connecting seat (8), and the support arms (6) are respectively fixed to two sides of the rotating shaft (9) at one end and connected with the clamping assembly (7) at the other end; one end of the rotating shaft (9) is provided with a worm gear (10), the worm gear (10) is engaged with a worm (11), the lifting seat (1) is provided with a rotating motor (12), and the output shaft of the rotating motor (12) is coaxially and fixedly connected with the worm (11).

2. The auxiliary device for loading and unloading garbage can of the electric cleaning vehicle according to claim 1, characterized in that: The clamping assembly (7) comprises a sliding rail (13), a bidirectional threaded rod (14), a servo motor (15) and two clamping arms (16); the sliding rail (13) is provided with an adjusting groove (17), and the clamping arms (16) are slidingly connected in the adjusting groove (17); the bidirectional threaded rod (14) is threadedly penetrated through the clamping arms (16) and rotationally connected with the adjusting groove (17), and the servo motor (15) is fixed to the sliding rail (13) and connected with the end of the bidirectional threaded rod (14) through a speed reducer.

3. The auxiliary device for loading and unloading garbage can of the electric cleaning vehicle according to claim 2, characterized in that: The back of the sliding rail (13) is fixedly connected with a buffer base (18), the top of the support arm (6) is vertically provided with a guide column (19), the guide column (19) penetrates through the buffer base (18) and extends above the buffer base (18), and the extending end of the guide column (19) is provided with an anti-falling limiting block (20); the guide column (19) is sleeved with a compression spring (21), and the two ends of the compression spring (21) are respectively abutted against the top surface of the support arm (6) and the bottom surface of the buffer base (18), so as to form an elastic buffer structure between the sliding rail (13) and the support arm (6).

4. The auxiliary device for loading and unloading garbage can of the electric cleaning vehicle according to claim 2, characterized in that: Multiple pressure sensors (22) are uniformly arranged on the inner side of the clamping arm (16) along the length direction; the inner side of the clamping arm (16) is covered with an elastic rubber layer (23), the pressure sensors (22) are embedded between the elastic rubber layer (23) and the body of the clamping arm (16), a controller (24) is arranged on the collecting box, the pressure sensors (22) are signal-connected with the controller (24) through wireless signals, and the controller (24) adjusts the clamping force of the clamping arm (16) according to the pressure value.

5. The auxiliary device for loading and unloading garbage can of the electric cleaning vehicle according to claim 2, characterized in that: The top of the sliding rail (13) is provided with a guide plate (25) perpendicular to the width direction thereof.

6. The auxiliary device for loading and unloading garbage can of the electric cleaning vehicle according to claim 1, characterized in that: The surface of the sliding rod (3) is provided with a polytetrafluoroethylene coating (26).

7. The auxiliary device for loading and unloading garbage can of the electric cleaning vehicle according to claim 1, characterized in that: The driving motor (5) is fixedly connected with the support seat (4), the driving motor (5) is a waterproof motor, and the output shaft of the driving motor (5) is connected with the lead screw (2) through a shaft coupling.

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