Hydraulic automatic leveling device for container spreader

Abstract

The utility model relates to the technical field of container lifting appliances, in particular to a hydraulic automatic leveling device for a container lifting appliance, which comprises a lifting appliance upper body, lifting wheel appliances are mounted at four corners of the top of the lifting appliance upper body, a concave clamping seat is mounted in the middle of the bottom of the lifting appliance upper body, a driving motor is mounted on the back of the concave clamping seat, and a hydraulic control system is mounted on the lifting appliance upper body. The output end of the driving motor penetrates through the interior of the concave clamping seat and is connected with a gear, and vertical sliding rods are arranged at the positions, close to the left end and the right end, of the front side and the rear side of the bottom of the lifting appliance upper body. And the problem that lifted objects incline is avoided, the lifting appliance grabbing clamp can be adjusted according to the size of the container, and the practicability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to container spreader technical field, concretely is a kind of container spreader hydraulic automatic leveling device. BACKGROUND

[0002] The existing spreader for lifting container does not have the function of adjusting the center of gravity during use, and due to the problems such as the center of gravity of the lifted object deviating from the lifting center line of the spreader, small range deviation of the center of gravity during use is caused, which causes the container spreader to tilt at a small angle during lifting, affecting transportation.

[0003] Therefore, it is particularly important to design a container spreader hydraulic automatic leveling device to change the above technical defects and improve the overall practicability. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a kind of container spreader hydraulic automatic leveling device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of container spreader hydraulic automatic leveling device, including spreader upper body, four corners of the top of the spreader upper body are all installed with lifting wheel, the middle position of the bottom of the spreader upper body is installed with recessed holder, the back of the recessed holder is installed with driving motor, the output end of the driving motor is connected with gear and penetrates the inside of recessed holder, the front and rear sides of the bottom of the spreader upper body and the positions close to left and right two ends are all provided with vertical slide rod, the front and rear sides of the bottom of the spreader upper body and the middle positions are all installed with infrared emitter, the bottom of the spreader upper body is provided with spreader lower body, the front and rear sides of the top of the spreader lower body and the positions close to left and right two ends are all provided with slide rail for cooperation with vertical slide rod, the front and rear sides of the top of the spreader lower body and the middle positions are all installed with infrared receiver for cooperation with infrared emitter, the top of the spreader lower body and the center are provided with rack for meshing cooperation with gear, the left and right sides of the spreader lower body are all slidably connected with spreader gripper, the front and rear sides of the inside of the spreader lower body are all installed with fixed cross bar, one end of the fixed cross bar is installed with positive and negative motor, the output end of the positive and negative motor is connected with rotating screw rod and penetrates the inside of fixed cross bar, the outside of the rotating screw rod is threadedly sleeved with screw rod sliding sleeve, one end of the screw rod sliding sleeve extending out of fixed cross bar is connected with guide support.

[0007] As a preferred scheme of the utility model, the bottom of the spreader upper body is installed with controller, wherein the controller is connected with driving motor, infrared emitter, infrared receiver and positive and negative motor through wire respectively, and the connection mode is electrical connection.

[0008] As the preferred scheme of the present utility model, the connecting mode between the vertical slide rod and the slide rail is sliding connection.

[0009] As the preferred scheme of the present utility model, the two ends of the rotating screw rod are rotatably connected in the interior of the fixed cross bar through bearing seats.

[0010] As the preferred scheme of the present utility model, the interior of the fixed cross bar is provided with a rectangular sliding groove for horizontal movement of the screw rod sliding sleeve.

[0011] As the preferred scheme of the present utility model, the end of the guide support away from the screw rod sliding sleeve is fixedly connected with the spreader gripper at the corresponding position.

[0012] Compared with the prior art, the present utility model has the beneficial effects that:

[0013] In the present utility model, the container spreader hydraulic automatic leveling device is set, which can automatically adjust according to the gravity center position of the hoisted article, ensure that the spreader and the hoisted article are in a horizontal state, avoid the problem that the hoisted article is inclined, and can adjust the spreader gripper according to the size of the container, thereby improving the practicability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the overall structure perspective view of the present utility model;

[0015] Fig. 2 It is the internal structure view of the lower body of the spreader of the present utility model;

[0016] Fig. 3 It is the local structure schematic view of the present utility model.

[0017] In the drawing: 1, spreader upper body; 101, concave clamping seat; 102, driving motor; 103, gear; 104, vertical slide rod; 105, infrared emitter; 2, hoisting spreader; 3, spreader lower body; 301, slide rail; 302, infrared receiver; 303, rack; 4, spreader gripper; 401, fixed cross bar; 402, forward and reverse motor; 403, rotating screw rod; 404, screw rod sliding sleeve; 405, guide support. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present utility model.

[0019] For the convenience of understanding the utility model, the utility model will be described more fully below with reference to the relevant drawings, several embodiments of the utility model are given, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0020] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be intervening elements, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be intervening elements, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0022] Embodiment, please refer to Figs. 1-3 The utility model provides a technical scheme:

[0023] A container spreader hydraulic automatic leveling device, including spreader upper body 1, four corner places of spreader upper body 1 top are all installed with lifting wheel 2, the middle position of spreader upper body 1 bottom is installed with concave type holder 101, the back of concave type holder 101 is installed with drive motor 102, the output end of drive motor 102 is through the inside of concave type holder 101 and is connected with gear 103, the position of the front and rear sides of spreader upper body 1 bottom and close to left and right two ends is all provided with vertical slide rod 104, the front and rear sides of spreader upper body 1 bottom and the middle position are all installed with infrared emitter 105, the bottom of spreader upper body 1 is provided with spreader lower body 3, the position of the front and rear sides of spreader lower body 3 top and close to left and right two ends is all provided with the slide rail 301 of cooperation with vertical slide rod 104, the front and rear sides of spreader lower body 3 top and the middle position are all installed with infrared receiver 302 with infrared emitter 105 cooperation uses, the top of spreader lower body 3 and the center are provided with rack 303 with gear 103 meshing cooperation, the left and right sides of spreader lower body 3 are all slidingly connected with spreader gripper 4;

[0024] The connection mode between vertical slide rod 104 and slide rail 301 is sliding connection.

[0025] In this embodiment, please refer to Fig. 2, the front and back of the inside of the lower body 3 of the lifting appliance are provided with fixed cross bars 401, one end of the fixed cross bar 401 is provided with a reversible motor 402, the output end of the reversible motor 402 penetrates the inside of the fixed cross bar 401 and is connected with a rotating screw rod 403, the outside of the rotating screw rod 403 is threadedly sleeved with a screw rod sliding sleeve 404, one end of the screw rod sliding sleeve 404 extending out of the fixed cross bar 401 is connected with a guide support 405;

[0026] The bottom of the upper body 1 of the lifting appliance is provided with a controller, the controller is connected with the driving motor 102, the infrared emitter 105, the infrared receiver 302 and the reversible motor 402 through wires in an electrical connection mode, the two ends of the rotating screw rod 403 are rotatably connected in the inside of the fixed cross bar 401 through bearing seats, the inside of the fixed cross bar 401 is provided with a rectangular sliding groove for the horizontal movement of the screw rod sliding sleeve 404, and the end of the guide support 405 away from the screw rod sliding sleeve 404 is fixedly connected with the lifting appliance gripper 4 at the corresponding position.

[0027] The working process of the utility model is as follows: in use, the reversible motor 402 drives the rotation of the rotating screw rod 403, thereby driving the horizontal movement of the screw rod sliding sleeve 404 to drive the extension and contraction of the guide support 405 and the lifting appliance gripper 4, so that the lifting of different container widths is realized, in the lifting, the infrared emitter 105 senses the position of the infrared receiver 302, when the mutual sensing is completed, the balance point is reached, when the sensing deviation occurs, the driving motor 12 is started to drive the rotation of the gear 103, the gear 103 is engaged with the rack 303, under the cooperation of the vertical sliding rod 104 and the sliding rail 301, the position of the lower body 401 of the lifting appliance is adjusted, until the infrared emitter 105 senses the position of the infrared receiver 302 again, the structure can automatically adjust according to the gravity center position of the lifted object, ensures that the lifting appliance and the lifted object are in a horizontal state, avoids the problem that the lifted object is inclined, and can adjust the lifting appliance gripper according to the size of the container, improves the practicability.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hydraulic automatic levelling device for a spreader of a container spreader, comprising a spreader upper body (1), characterized in that: The lifting appliance upper body (1) top of four corners is equipped with lifting wheel (2), the lifting appliance upper body (1) bottom middle position is equipped with recessed holder (101), the back of recessed holder (101) is equipped with drive motor (102), the output end of drive motor (102) penetrates the inside of recessed holder (101) and is connected with gear (103), the bottom of lifting appliance upper body (1) front and back sides and near left and right two ends position are provided with vertical slide rod (104), the bottom of lifting appliance upper body (1) front and back sides and in middle position are equipped with infrared emitter (105), the bottom of lifting appliance upper body (1) is equipped with lifting appliance lower body (3), the top of lifting appliance lower body (3) front and back sides and near left and right two ends position are provided with slide rail (301) for cooperating with vertical slide rod (104), the top of lifting appliance lower body (3) front and back sides and in middle position are equipped with infrared receiver (302) for cooperating with infrared emitter (105), the top of lifting appliance lower body (3) and in the center are provided with rack (303) for meshing with gear (103), the left and right sides of lifting appliance lower body (3) are slidably connected with lifting appliance grab (4), the inside of lifting appliance lower body (3) front and back sides are equipped with fixed cross bar (401), one end of fixed cross bar (401) is equipped with positive and negative motor (402), the output end of positive and negative motor (402) penetrates the inside of fixed cross bar (401) and is connected with rotating screw rod (403), the outside of rotating screw rod (403) is threadedly sleeved with screw rod sliding sleeve (404), one end of screw rod sliding sleeve (404) extending out of fixed cross bar (401) is connected with guide bracket (405).

2. The hydraulic automatic levelling device of a container spreader according to claim 1, characterized in that: The bottom of lifting appliance upper body (1) is equipped with controller, wherein the controller is connected with drive motor (102), infrared emitter (105), infrared receiver (302) and positive and negative motor (402) through wires respectively, and the connection mode is electrical connection.

3. The hydraulic automatic levelling device of a container spreader according to claim 1, characterized in that: The connection mode between vertical slide rod (104) and slide rail (301) is sliding connection.

4. The hydraulic automatic leveling device of a container spreader according to claim 1, characterized in that: Both ends of rotating screw rod (403) are rotatably connected in the inside of fixed cross bar (401) through bearing seat.

5. The hydraulic automatic leveling device of a container spreader according to claim 1, characterized in that: The inside of fixed cross bar (401) is provided with rectangular sliding slot for transverse movement of screw rod sliding sleeve (404).

6. The hydraulic automatic leveling device of a container spreader according to claim 1, characterized in that: One end of guide bracket (405) away from screw rod sliding sleeve (404) is fixedly connected with lifting appliance grab (4) at the corresponding position.

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