CN210943192U

CN210943192U - Door opening and closing device

Info

Publication number: CN210943192U
Application number: CN201921989375.XU
Authority: CN
Inventors: 苗林展
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-07-07
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses a case door switch device, including push-and-pull ware and gyro wheel support, the one end of push-and-pull ware and the equal rotation type of one end of gyro wheel support are installed in chamber door side position, and the telescopic link tip of push-and-pull ware is articulated with gyro wheel support round pin axle, and the gyro wheel on the gyro wheel support is contradicted on the chamber door. The integral structure of the container tilt-turn bulk cargo loading and unloading door switch can meet the requirement of bulk cargo-to-bulk cargo transportation operation, when unloading, the container is tilted to be vertical, the opening of the container faces downwards, the container is abutted against a roller bracket on the door to rotate upwards slowly, and the door is opened slowly under the action of the weight of the cargo; when closing the door, vert into vertical form with the container, the case mouth up, case door plant falls to chamber door department automatically under the action of gravity to carry out the chamber door and close after the goods is filled in the container, the chamber door is closed the back gyro wheel support and is rotated to the chamber door direction again, contradicts to compress tightly on the case door plant until the gyro wheel on the gyro wheel support.

Description

Door opening and closing device

Technical Field

The utility model belongs to the technical field of mechanical structure technique and specifically relates to a case door switch device and chamber door opening control mechanism thereof.

Background

The implementation of 'bulk change', namely 'containerized transportation of bulk goods' has many advantages, and the development prospect is immeasurable and the trend is rapid. Wherein, bulk cargo loading and unloading business turn over container, realize that the container is not manual operation after verting and the technique that can automatic switch chamber door again is the key difficult point. The equipment that verts of various forms container that uses at present, the operation of mostly needing artifical the ascending a height to implement and close the chamber door after full case of loading (this operation has the potential safety hazard), and disposable full-open chamber door produces very big impact and flow when verting the case and unloading and also has the potential safety hazard such as out of control.

Therefore, the application designs a door opening control device which can overcome the defects and is applied to the container tilting loading and unloading bulk cargo.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the not enough characteristics such as have non-manual work, high efficiency, security and operability that design of above-mentioned technique, satisfy "change scattered chamber door switching device and its chamber door opening control mechanism who collects" the chamber door opening requirement in transportation operation field.

The utility model discloses a chamber door switching device, including push-and-pull ware and gyro wheel support, the one end of push-and-pull ware and the equal rotation type of one end of gyro wheel support are installed in chamber door side position, and the telescopic link tip of push-and-pull ware is articulated with gyro wheel support round pin axle, and the gyro wheel on the gyro wheel support is contradicted on the chamber door.

Preferably, the lifting appliance further comprises a main shaft, the main shaft is rotatably mounted at the end part of the lifting appliance, one end of the roller support is rotatably mounted on the main shaft, the clamping door plates are fixed at two ends of the main shaft, and clamping grooves for clamping the door plates of the box are formed in the end parts of the clamping door plates. After the door plate of the container is completely opened, the side part of the door plate of the container is inserted into the clamping groove, so that the door plate of the container is inwards inclined towards the direction of the door of the container by less than 90 degrees, and the door plate of the container automatically falls back to the door of the container after the container is inclined.

Preferably, the device also comprises a lifting appliance, and one end of the push-pull device and one end of the roller bracket are rotatably arranged at the end part of the lifting appliance.

Preferably, the lifting appliance is a telescopic lifting appliance; the operation can be performed according to different container lengths.

Preferably, the door clamping plate is a 7-shaped door clamping plate, and the front end of the transverse part of the door clamping plate is provided with a clamping groove; the transverse part of the door clamping plate limits the maximum opening of the door plate of the box, the transverse part of the door clamping plate abuts against the box door plate after limiting, and the box door plate is inserted into the clamping groove.

Preferably, the roller bracket comprises two pressing plates which are arranged correspondingly and are in a 7 shape, the bottom ends of the longitudinal parts of the pressing plates are rotatably arranged on the main shaft, and rotating shafts at the two ends of the rollers are rotatably arranged at the end parts of the transverse parts of the two pressing plates; the structure of the roller increases the length of the roller, and the use is more convenient.

The utility model relates to a door switch device, the whole structure of which can satisfy the container tilting loading and unloading bulk cargo of the 'bulk cargo-to-bulk cargo' transportation operation requirement, when unloading is needed, the container is tilted to be vertical, the opening of the container is downward, a roller bracket which is collided on the door (the door to be opened on the container) is rotated slowly and upwards, and the door is opened slowly under the weight of the cargo; when closing the door (case door plant is less than 90 degrees states to the chamber door direction internal inclination), vert into vertical form with the container, the case mouth up, the card door plant loosens, and the case door plant falls back to chamber door department automatically under the action of gravity to carry out the chamber door and close after the goods is filled in the container, the chamber door is closed the back gyro wheel support and is rotated to the chamber door direction again, and the gyro wheel conflict on the gyro wheel support compresses tightly on the case door plant.

Drawings

FIG. 1 is a schematic view (one) of the switchgear assembly of the embodiment;

FIG. 2 is a schematic structural view of a switchgear assembly of the embodiment (II);

FIG. 3 is a schematic view (III) of the switchgear assembly of the embodiment;

FIG. 4 is a schematic view of an embodiment of a container using a telescopic spreader in a non-operative state at 20 feet;

FIG. 5 is a schematic view of an embodiment of a container using a telescopic spreader in a non-operative state at 40 feet;

FIG. 6 is a view showing a state where the container mouth of the embodiment is stuck upwards;

FIG. 7 is a view showing a state where a door is pressed upward at a container opening of the embodiment;

FIG. 8 is a view showing a door-pressed state of the embodiment in which the container door is controlled to be downward and the door plate is slowly opened;

FIG. 9 is a diagram of the embodiment in which the container opening is fully opened toward the lower door.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1 to 9, the door opening and closing device described in this embodiment includes a push-pull device 8 and a roller bracket 6, wherein one end of the push-pull device 8 and one end of the roller bracket 6 are both rotatably installed at a lateral position of the door, an end of a telescopic rod of the push-pull device 8 is hinged to the roller bracket 6 through a pin, and a roller 5 on the roller bracket 6 abuts against the door; in order to realize that the container can be hoisted and transported, a lifting appliance 13 is installed on the container, two ends of the lifting appliance 13 are respectively provided with an oil cylinder support 7 and two main shaft supports 2 with mutually corresponding positions, one end pin shaft of a push-pull device 8 is hinged on the oil cylinder support 7, a door clamping plate 1 and a main shaft 3 are designed for limiting the maximum opening degree of the door plate, the main shaft support 2 is provided with the main shaft 3 through a bearing, one end of a roller support 6 is rotatably installed on the main shaft 3, two ends of the main shaft 3 are fixedly sleeved with the door clamping plate 1 through a flat key, and the end part of the door clamping plate 1 is provided with a clamping groove 15 for clamping the door clamping plate; after the door clamping plate 1 is used for completely opening the door plate, the side part of the door plate of the container is inserted into the clamping groove 15, so that the door plate of the container is inwards inclined towards the direction of the door of the container by less than 90 degrees. Wherein the push-pull device adopts a hydraulic oil cylinder.

In this embodiment, the spreader 13 is a telescopic spreader; the telescopic spreader may be a CN103130088A telescopic container spreader disclosed in patent documents, or any other known and telescopic spreader, and the structure of the known telescopic spreader is not described in detail herein.

In the embodiment, the door clamping plate 1 is a 7-shaped door clamping plate, and the front end of the transverse part of the door clamping plate is provided with a clamping groove 15; the front end clamping groove of the transverse part of the door clamping plate limits the maximum opening of the door plate of the box, and the transverse part of the door clamping plate is abutted against the box door plate after limiting; wherein the door clamping plate is a metal door clamping plate; the clamping groove may be formed by arranging a 7-shaped side plate 151 on the lateral side of the door jam plate, fixing the longitudinal end of the 7-shaped side plate (bolt fixing or welding fixing) on the lateral side of the door jam plate or integrally forming the 7-shaped side plate with the lateral side 152 of the door jam plate 1, and forming the clamping groove 15 between the longitudinal side of the 7-shaped side plate 151 and the lateral side 152 of the door jam plate 1.

In this embodiment, the roller bracket 6 includes two pressing plates 61 which are arranged correspondingly to each other and are in a shape of "7", the bottom end of the longitudinal portion of the pressing plates 61 is rotatably mounted on the main shaft 3, and the rotating shafts at the two ends of the roller 5 are mounted on the end portions of the upper transverse portions of the two pressing plates 61 through bearings; the structure can increase the length of the roller, thereby realizing the simultaneous pressing or slow opening of the two box door plates; the pressing plate is a high-strength metal pressing plate.

Unloading the heavy container from the container opening: when the telescopic lifting appliance 13 is jointed with the heavy-load container 14 to lift off the ground, when the container 14 is in a low-level horizontal state, the roller 5 on the roller support is firstly operated to press the container door, the container door lock rod is manually rotated to an opening position, then the telescopic lifting appliance 13 is further integrally moved by the working machine to lift in place to a position and a height capable of discharging, when the container 14 is continuously operated to start to tilt at a small angle and discharge, the roller 5 pressed on the roller support on the upper part of the container door is slowly loosened, the opening width of the container door is controlled, the speed and the flow control of discharging of bulk materials are realized, the flow out-of-control and the discharging impact when the container door is completely opened at one time are reduced, and the discharging. Then, the reverse tilting operation is carried out, the empty-load container 14 is separated from the universal telescopic hanger 13 of the mother machine and is placed on the ground or a transport truck, the container door is closed by manually rotating the container door lock rod, and the whole unloading process is completed.

Loading empty containers from the container opening: when the telescopic spreader 13 is jointed with the idle-load container 14 to lift and leave the ground, and the container 14 is in a low-level horizontal state, firstly, a container door is opened by manually rotating a container door lock rod, the left-side door clamping plate 1 and the right-side door clamping plate 1 are operated to move, the push-pull device 8 drives the telescopic rods to extend out, so that the two door clamping plates rotate downwards until the side parts of the container door plates are inserted into the clamping grooves 15 of the door clamping plates 1, so that the container door plates are limited to a state that the inward inclination is less than 90 degrees, and then the universal telescopic spreader 13 is jointed with the idle-load container 14 by a working mother machine to move integrally, lift and tilt; loading materials by using a movable belt conveyor and other equipment, after a box is full, operating the left clamping door plate 1 and the right clamping door plate 1 to loosen, driving the telescopic rod to extend and retract by the push-pull device 8, enabling the clamping door plate to rotate upwards until the clamping groove is separated from the box door plate, and enabling the box door plate to rotate inwards by self under the action of self gravity to close the door due to inward inclination; then, the operation is carried out again, under the action of the device action push-pull device 8, the roller 5 on the roller bracket contacts the container door to implement door pressing action when the container opening is upward, and the door is pressed to prevent the loss of material extrusion of the container door when the container body tilts horizontally; and then, reverse operation is carried out, the tilting, descending, manual rotation of the box door lock rod, closing and locking and continuous working of the mother machine are completed, the heavy-load container is moved to the ground or a truck is loaded, and the whole boxing engineering is completed.

The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.

Claims

1. The box door opening and closing device is characterized by comprising a push-pull device and a roller support, wherein one end of the push-pull device and one end of the roller support are rotatably arranged at the side position of a box door, the end part of a telescopic rod of the push-pull device is hinged with a roller support pin shaft, and a roller on the roller support abuts against the box door.

2. The door opening and closing device of claim 1, further comprising a main shaft rotatably mounted at an end of the hanger, wherein one end of the roller bracket is rotatably mounted on the main shaft, and the two ends of the main shaft are fixed with the door locking plate, and the end of the door locking plate is provided with a locking groove for locking the door locking plate.

3. The door opening and closing device according to claim 1, further comprising a hanger, wherein one end of the push-pull device and one end of the roller bracket are rotatably installed at an end portion of the hanger.

4. A door opening and closing apparatus according to claim 3, wherein the hanger is a telescopic hanger.

5. The opening and closing apparatus for a door according to claim 2, wherein the door locking plate is a 7-shaped door locking plate, and the front end of the lateral portion thereof is provided with a locking groove.

6. A door opening and closing device according to any one of claims 1 to 5, wherein the roller bracket includes two pressing plates disposed in correspondence with each other and having a 7-shape, the bottom ends of the longitudinal portions of the pressing plates are rotatably mounted on the main shaft, and the rotating shafts at both ends of the roller are rotatably mounted on the ends of the transverse portions of the two pressing plates.