Tailstock jacking device for finished product box loading

Abstract

The utility model relates to the technical field of truck loading, and discloses a truck tail jacking device for truck loading of finished product boxes, which is mounted below a truck loading platform and used for jacking a truck tail to enable a carriage to be flush with the truck loading platform. The vehicle tail jacking device comprises a mounting seat, a lead screw lifter, a driving device, a vehicle stopper and an electric push rod, and the mounting seat is fixedly mounted on the side wall of the loading platform; the lead screw lifter is arranged on the mounting seat, acts on the bottom surface of a cross beam of the tail chassis and is driven by the driving device; the electric push rod is fixed to the bottom of the mounting base, and a push-out rod of the electric push rod is connected with the car arrester which acts on rear wheels of the car. The tail jacking device is fixedly mounted below the loading platform, and can control the distance between the car arrester and the lead screw lifter according to the distance between the rear wheel of a certain car model and the tail chassis cross beam, so that the lead screw lifter can be aligned with the chassis cross beam after the car is backed up to the position of the car arrester, and the safety of the car is ensured. And then the jacking device can be controlled to jack the vehicle tail.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle loading, in particular to a vehicle tail lifting device for loading finished product boxes onto vehicles. Background Art

[0002] At present, the loading of finished product boxes is mainly carried out on the loading platform by the finished product conveyor belt to the grabbing area, and the finished product boxes are stacked on the pallet by the manipulator. The pallet is gradually pushed into the car by the driving trolley according to the stacking progress. In order to prevent the height change between the empty and full cars, a rear jacking device is installed at the rear of the car. After the vehicle is parked in place, the rear of the car is jacked up to make the height of the car flush with the loading platform, which can also reduce the shaking during loading.

[0003] For example, the application date is 2016-12-26, and the application number is CN201611216728.3, which discloses an automatic stacking and loading device for industrial explosive products. A lifting device is arranged behind the rear wheels of the loading vehicle, and the lifting device adopts a worm gear transmission structure. The existing lifting device has the following shortcomings:

[0004] 1. If the jacking device is in a fixed position, it is difficult to park the vehicle accurately so that the chassis crossbeam faces the jacking device;

[0005] 2. If the jacking device is movable, it needs to be manually moved to the rear of the vehicle after the vehicle is parked so that it is facing the crossbeam of the chassis.

[0006] Based on this, the present application provides a rear-end lifting device for loading finished products into containers on a vehicle, which has a fixed position and can facilitate accurate parking of the vehicle, so as to solve the above-mentioned problem. Utility Model Content

[0007] The utility model aims to solve the technical problems existing in the prior art. To this end, the utility model provides a vehicle tail lifting device for loading finished product boxes, which is fixed in position and can facilitate accurate parking of the vehicle.

[0008] The technical solution adopted by the utility model to solve its technical problems is:

[0009] Provided is a vehicle tail lifting device for loading finished product boxes, which is installed under the loading platform and is used to lift the vehicle tail so that the vehicle compartment is flush with the loading platform; the vehicle tail lifting device comprises a mounting seat, a screw lifter, a driving device, a vehicle blocker and an electric push rod, wherein: the mounting seat is fixedly mounted on the side wall of the loading platform; the screw lifter is arranged on the mounting seat and acts on the bottom surface of the crossbeam of the vehicle tail chassis, and is driven by the driving device; the electric push rod is fixed to the bottom of the mounting seat, and its push rod is connected to the vehicle blocker, and the vehicle blocker acts on the rear wheel of the vehicle.

[0010] Preferably, the width of the vehicle blocker is greater than the width of the vehicle, and rollers are provided on both sides of the vehicle blocker.

[0011] Preferably, the driving device adopts a driving motor with a reducer.

[0012] In a preferred embodiment, the rear-end lifting device also includes a photoelectric sensor and a PLC controller. The photoelectric sensor is installed on a mounting seat through a bracket and acts on the side of the crossbeam to detect whether the crossbeam of the rear-end chassis is located above the screw lifter. The signal input end of the PLC controller is connected to the photoelectric sensor, and the signal output end is connected to the drive device and the electric push rod.

[0013] In a preferred embodiment, the reducer of the driving device adopts a dual-output shaft reducer, and the screw lifts are provided with two arranged in parallel. The two screw lifts are connected to the output shaft of the reducer, and the driving motor drives the two screw lifts to lift and lower at the same time.

[0014] Preferably, the tops of the two screw lifts are connected by a connecting plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. The rear lifting device of the utility model is fixedly installed under the loading platform. It can control the distance between the car blocker and the screw lifter according to the distance between the rear wheel of a certain vehicle model and the rear chassis crossbeam, so as to ensure that after the vehicle is reversed to the position of the car blocker, the screw lifter can be aligned with the chassis crossbeam, and then the lifting device can be controlled to lift the rear of the vehicle;

[0017] 2. The utility model can also utilize the functions of the photoelectric sensor and the PLC controller to automatically adjust the position of the vehicle blocker during the slow reversing of the vehicle, thereby realizing automatic adjustment and automatic lifting for different vehicle models. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0019] Figure 1 This is a working state diagram of the vehicle tail lifting device for loading finished product boxes on a vehicle provided by the utility model;

[0020] Figure 2 yes Figure 1 Provided partial enlarged image;

[0021] Figure 3This is a schematic diagram of the installation of a screw lift in a preferred embodiment of the utility model;

[0022] Figure 4 It is a connection diagram of a PLC controller, a drive device, and an electric push rod in a preferred embodiment of the utility model.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1—mounting seat, 2—screw lift, 3—driving device, 4—car stopper, 4.1—roller, 5—electric push rod, 6—connecting plate, 7—photoelectric sensor, 8—PLC controller, 100—loading platform, 200—crossbeam. DETAILED DESCRIPTION

[0025] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention; the terms "install", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0029] Embodiment 1

[0030] As attached Figure 1 and attached Figure 2 As shown, the rear-end lifting device for loading finished product boxes provided in this embodiment is installed under the loading platform and is used to lift the rear end of the vehicle so that the vehicle compartment is flush with the loading platform.

[0031] As attached Figure 2 As shown, the rear lifting device includes a mounting seat 1, a screw lift 2, a driving device 3, a car blocker 4 and an electric push rod 5, wherein: the mounting seat 1 is fixedly mounted on the side wall of the loading platform 100; the screw lift 2 is arranged on the mounting seat 1, acts on the bottom surface of the cross beam 200 of the rear chassis, and is driven by the driving device 3, the driving device adopts a driving motor with a reducer, which is also mounted on the mounting seat; the electric push rod 5 is fixed to the bottom of the mounting seat 1, and its push rod is connected to the car blocker 4, and the car blocker 4 acts on the rear wheel of the vehicle. The rear lifting device of this embodiment is fixedly mounted below the loading platform, and it can control the distance between the car blocker and the screw lift according to the distance between the rear wheel of a certain vehicle model and the rear chassis cross beam, so as to ensure that after the vehicle is reversed to the position of the car blocker, the screw lift can be aligned with the chassis cross beam, and then the lifting device can be controlled to lift the rear of the vehicle.

[0032] Preferably, the width of the vehicle blocker 4 is greater than the width of the vehicle, which is conducive to parking the vehicle. Rollers 4.1 are also provided on both sides of the vehicle blocker 4 to reduce the friction between the vehicle and the ground when the vehicle moves.

[0033] Embodiment 2

[0034] Based on the first embodiment, as shown in the attached Figure 2 and attached Figure 3 As shown, the reducer of the driving device 3 in this embodiment adopts a dual-output shaft reducer, and the screw lift 2 is provided with two parallel arrangements, the two screw lifts 2 are connected to the output shaft of the reducer, and the two screw lifts are driven by the driving motor to lift at the same time. This design can improve the lifting capacity and ensure the stability of the rear end of the vehicle after the rear end is lifted.

[0035] Preferably, the tops of the two screw lifts 2 are connected by a connecting plate 6, so that the two screw lifts 2 form a whole, and the contact surface between the screw lift and the crossbeam can also be increased.

[0036] Embodiment 3

[0037] Based on the first or second embodiment, as shown in the attached Figure 2 and attached Figure 4As shown, the rear lifting device in this embodiment is also designed with a photoelectric sensor 7 and a PLC controller 8. The photoelectric sensor 7 is mounted on the mounting seat 1 through a bracket, acts on the side of the crossbeam, and is used to detect whether the crossbeam of the rear chassis is located above the screw lifter; the signal input end of the PLC controller 8 is connected to the photoelectric sensor 7, and the signal output end is connected to the drive device 3 and the electric push rod 5. The photoelectric sensor and the PLC controller can be used to automatically adjust the position of the vehicle blocker during the slow reversing of the vehicle, and realize automatic adjustment and automatic lifting of different vehicle models.

[0038] Working principle: The vehicle slowly reverses toward the loading platform according to the position of the rear lifting device. When the photoelectric sensor senses the signal of the rear beam, the PLC controller controls the electric push rod to quickly push out the car blocker. The driver of the vehicle senses the blocking effect and stops the vehicle. At this time, the beam should be directly above the screw lifter. Finally, after the set time, the PLC controller controls the drive motor to drive the screw lifter to rise to lift the rear of the vehicle so that the car is flush with the loading platform. When the loading is completed, the PLC controller controls the screw lifter to descend and sends a signal to the electric push rod to retract the car blocker.

[0039] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A vehicle tail lifting device for loading finished product boxes, installed under the loading platform, used to lift the vehicle tail so that the vehicle compartment is flush with the loading platform; it is characterized by: The rear-end lifting device comprises a mounting seat, a screw lift, a driving device, a car blocker and an electric push rod, wherein: The mounting seat is fixedly mounted on the side wall of the loading platform; The screw lift is arranged on the mounting seat, acts on the bottom surface of the crossbeam of the rear chassis, and is driven by the driving device; The electric push rod is fixed to the bottom of the mounting seat, and its push rod is connected to the vehicle blocker, and the vehicle blocker acts on the rear wheel of the vehicle.

2. The rear-end lifting device for loading finished product boxes onto a vehicle according to claim 1 is characterized in that: It also includes a photoelectric sensor and a PLC controller. The photoelectric sensor is installed on the mounting seat through a bracket and acts on the side of the beam to detect whether the beam of the rear chassis is located above the screw lifter. The signal input end of the PLC controller is connected to the photoelectric sensor, and the signal output end is connected to the drive device and the electric push rod.

3. The rear-end lifting device for loading finished product boxes onto a vehicle according to claim 1 is characterized in that: The width of the vehicle blocker is greater than the width of the vehicle, and rollers are arranged on both sides of the vehicle blocker.

4. The rear-end lifting device for loading finished product boxes onto a vehicle according to claim 1 is characterized in that: The driving device adopts a driving motor with a speed reducer.

5. The rear-end lifting device for loading finished product boxes onto a vehicle according to claim 4 is characterized in that: The reducer of the driving device adopts a dual-output shaft reducer, and the screw lifts are provided with two parallel arranged screw lifts, the two screw lifts are connected to the output shaft of the reducer, and the driving motor drives the two screw lifts to move up and down at the same time.

6. The rear-end lifting device for loading finished product boxes onto a vehicle according to claim 5 is characterized in that: The tops of the two screw lifts are connected by a connecting plate.

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