阅读说明：本技术 一种自动收放支撑装置及其应急自装卸方舱 (Automatic receive and release strutting arrangement and emergent self-loading and unloading shelter thereof ) 是由 黄国军 贾勇 于 2021-04-09 设计创作，主要内容包括：本发明提供一种自动收放支撑装置及其应急自装卸方舱,包括自动收放支撑装置和应急自装卸方舱,其特征在于,所述自动收放支撑装置包括外支撑腿、内支撑腿、电动推杆、上连杆和下连杆,所述电动推杆上端通过销轴与外支撑腿连接,下端通过销轴与内支撑腿连接,所述上连杆和下连杆通过销轴固定外支撑腿,所述内支撑腿通过链条与上连杆连接,所述外支撑腿外设置有限位锁定钩,所述上连杆设置有滑销固定座,并且在收放支撑装置展开终态时所述限位锁定钩与滑销固定座对应锁定；所述应急自装卸方舱与至少两个自动收放支撑装置连接。(The invention provides an automatic folding and unfolding supporting device and an emergency self-loading and unloading square cabin thereof, which comprise an automatic folding and unfolding supporting device and an emergency self-loading and unloading square cabin, and are characterized in that the automatic folding and unfolding supporting device comprises an outer supporting leg, an inner supporting leg, an electric push rod, an upper connecting rod and a lower connecting rod, wherein the upper end of the electric push rod is connected with the outer supporting leg through a pin shaft, the lower end of the electric push rod is connected with the inner supporting leg through a pin shaft, the upper connecting rod and the lower connecting rod are used for fixing the outer supporting leg through a pin shaft, the inner supporting leg is connected with the upper connecting rod through a chain, a limiting locking hook is arranged outside the outer supporting leg, a sliding pin fixing seat is arranged on the upper connecting rod, and the limiting locking hook is correspondingly locked with the sliding pin fixing seat when the folding and unfolding supporting device is in a final state; the emergency self-loading and unloading shelter is connected with at least two automatic folding and unfolding supporting devices.)

1. The utility model provides an automatic receive and release strutting arrangement, includes outer support leg, interior support leg, electric putter, goes up connecting rod and lower connecting rod, its characterized in that, electric putter upper end is connected with outer support leg through the round pin axle, and the lower extreme is connected with interior support leg through the round pin axle, go up connecting rod and lower connecting rod through the fixed outer support leg of round pin axle, interior support leg passes through the chain and is connected with last connecting rod, outer support leg is provided with spacing locking hook outward, it is provided with the sliding pin fixing base to go up the connecting rod, and when automatic receive and release strutting arrangement expandes final state spacing locking hook corresponds the locking with the sliding pin fixing base.

2. The automatic retracting and releasing supporting device according to claim 1, wherein the upper end of the electric push rod is connected with the outer supporting leg through a pin shaft, the lower end of the electric push rod is connected with the inner supporting leg through a pin shaft, and the upper connecting rod and the lower connecting rod are fixed on the outer supporting leg through a pin shaft.

3. The automatic retracting and releasing support device according to claim 2, wherein the chain is detachably connected with the top end of the inner support leg through a hook.

4. The automatic retracting and releasing supporting device as claimed in claim 3, wherein the top end of the leg of the outer supporting leg is provided with a groove, and the hook is fixed in the groove.

5. The automatic retracting and releasing support device according to claim 4, wherein an adjusting screw is arranged between the chain and the hook, and the adjusting screw is connected with the upper connecting rod through the chain.

6. An automatic retracting and releasing support device as claimed in any one of claims 1 to 5, wherein the upper link drives the outer support legs to extend or retract, and the end of the upper link is provided with a chain guide wheel for guiding the moving direction of the chain.

7. The automatic retracting and releasing supporting device as claimed in claim 6, wherein the lower connecting rod is provided with a push-out spring at the side thereof to provide auxiliary power when the supporting leg is unfolded.

8. The automatic retracting and releasing support device according to claim 5 or 7, wherein the upper link is provided with a long hole, and the slide pin acting spring pulls the slide pin fixing seat to slide in the long hole.

9. An emergency self-loading and unloading square cabin of an automatic folding and unfolding supporting device comprises the automatic folding and unfolding supporting device and the emergency self-loading and unloading square cabin, and is characterized in that the automatic folding and unfolding supporting device comprises an outer supporting leg, an inner supporting leg, an electric push rod, an upper connecting rod and a lower connecting rod, wherein the upper end of the electric push rod is connected with the outer supporting leg through a pin shaft, the lower end of the electric push rod is connected with the inner supporting leg through a pin shaft, the outer supporting leg is fixed by the upper connecting rod and the lower connecting rod through a pin shaft, the inner supporting leg is connected with the upper connecting rod through a chain, a limiting locking hook is arranged outside the outer supporting leg, a sliding pin fixing seat is arranged on the upper connecting rod, and the limiting locking hook is correspondingly locked with the sliding pin fixing seat when the folding and unfolding supporting device is in a final state; the emergency self-loading and unloading shelter is connected with at least two automatic folding and unfolding supporting devices.

10. An emergency self-loading and unloading shelter using method of an automatic folding and unfolding supporting device is characterized by comprising the following steps:

firstly, in an initial state, the electric push rod vertically extends downwards, the inner supporting leg vertically extends downwards along with the electric push rod, the hook moves downwards along with the inner supporting leg to drive the chain to move downwards, and at the moment, the upper connecting rod, the lower connecting rod and the supporting leg synchronously operate and do outward opening action;

secondly, when the hook reaches the limit of the outer support leg, the sliding pin action spring pulls the sliding pin fixing seat to enter the limit locking hook of the outer support leg, and the unfolding final state action of the folding and unfolding support device is completed;

thirdly, the electric push rod vertically retracts upwards, the inner support leg vertically retracts upwards along with the electric push rod at the moment, when the inner support leg pushes the hook, the chain is driven to move upwards, the upper connecting rod moves upwards due to the acting force of the chain at the moment, the sliding pin action spring is pulled by the rope, the sliding pin fixing seat is withdrawn from the outer support leg limiting locking hook, and the upper connecting rod, the lower connecting rod and the support leg synchronously operate and retract inwards;

and finally, when the pushing spring is reached, the lower connecting rod compresses the pushing spring to complete the final state action of retraction.

Technical Field

The invention relates to the field of emergency self-loading and unloading square cabins, in particular to an automatic folding and unfolding supporting device and an emergency self-loading and unloading square cabin thereof.

Background

The prior art is divided into three forms: the supporting legs are unfolded manually; an electric push rod is added to the unfolding action of the supporting legs, and 1 unfolding and folding power unit is added to each leg; the supporting legs are in chain transmission, 1 unfolding power unit (speed reducer) is added to control all the supporting legs to unfold. However, the prior art has many disadvantages, such as 1, high manufacturing cost, and the need for additional support legs to deploy the power unit. 2. The structure is complicated, the large-size associated structure is more, and the whole weight and the volume of the mechanism are large. 3. The circuit control link is complex, and a circuit module for controlling the power collecting and releasing part needs to be added. 4. The operation is inconvenient, the bolt needs to be manually inserted for locking when the supporting legs are unfolded in place, and the bolt needs to be manually pulled out for unlocking when the supporting legs are folded. 5. The chain transmission mode is that the power points of the four supporting legs are concentrated to one point, the supporting legs can only do synchronous motion, the supporting legs can not be independently controlled to be retracted and extended, and the ground is uneven, so that a certain supporting leg can not be independently adjusted to adjust the balance of the equipment.

The invention provides an automatic folding and unfolding supporting device and an emergency self-loading and unloading shelter thereof, which can solve the defects.

Disclosure of Invention

The invention provides an automatic retracting and releasing support device which comprises an outer support leg, an inner support leg, an electric push rod, an upper connecting rod and a lower connecting rod.

Furthermore, the upper end of the electric push rod is connected with the outer support leg through a pin shaft, the lower end of the electric push rod is connected with the inner support leg through a pin shaft, and the upper connecting rod and the lower connecting rod fix the outer support leg through a pin shaft.

Further, the limiting locking hook and the outer supporting leg form a downward-declining angle.

Furthermore, the chain is detachably connected with the top end of the inner support leg through a hook. The chain is used as a power transmission part to transmit the power of the inner supporting leg to the upper connecting rod to drive the upper connecting rod to expand or retract.

Further, the upper connecting rod drives the outer supporting legs to be unfolded or retracted.

Furthermore, the top ends of the outer support legs are provided with grooves, and the hooks are fixed in the grooves in a sliding mode.

Furthermore, an adjusting screw rod is arranged between the chain and the hook and is connected with the upper connecting rod through the chain. The length of chain or screw rod can be adjusted to adjusting screw to it has the nodical to realize finally adjusting spacing locking hook movement track and sliding pin fixing base movement track, and corresponds the locking on the nodical position of both.

Furthermore, the tail end of the upper connecting rod is provided with a chain guide wheel for guiding the moving direction of the chain.

Furthermore, a push-out spring is arranged on the side edge of the lower connecting rod, and auxiliary power is provided when the supporting leg is unfolded.

Furthermore, a long hole is formed in the upper connecting rod, and the sliding pin action spring pulls the sliding pin fixing seat to slide in the long hole.

The invention provides an emergency self-loading and unloading square cabin of an automatic folding and unfolding supporting device, which comprises the automatic folding and unfolding supporting device and the emergency self-loading and unloading square cabin and is characterized in that the automatic folding and unfolding supporting device comprises an outer supporting leg, an inner supporting leg, an electric push rod, an upper connecting rod and a lower connecting rod, the upper end of the electric push rod is connected with the outer supporting leg through a pin shaft, the lower end of the electric push rod is connected with the inner supporting leg through a pin shaft, the upper connecting rod and the lower connecting rod fix the outer supporting leg through a pin shaft, the inner supporting leg is connected with the upper connecting rod through a chain, a limiting locking hook is arranged outside the outer supporting leg, a sliding pin fixing seat is arranged on the upper connecting rod, and the limiting locking hook is correspondingly locked with the sliding pin fixing seat when the folding and unfolding supporting device is in a final state; the emergency self-loading and unloading shelter is connected with at least two automatic folding and unfolding supporting devices.

The third purpose of the invention is to provide a use method of an emergency self-loading and unloading shelter capable of automatically retracting and releasing a supporting device, which is characterized by comprising the following steps:

firstly, in an initial state, the electric push rod vertically extends downwards, the inner supporting leg vertically extends downwards along with the electric push rod, the hook moves downwards along with the inner supporting leg to drive the chain to move downwards, and at the moment, the upper connecting rod, the lower connecting rod and the supporting leg synchronously operate and do outward opening action;

secondly, when the hook reaches the limit of the outer support leg, the sliding pin action spring pulls the sliding pin fixing seat to enter the limit locking hook of the outer support leg, and the unfolding final state action of the folding and unfolding support device is completed;

thirdly, the electric push rod vertically retracts upwards, the inner support leg vertically retracts upwards along with the electric push rod at the moment, when the inner support leg pushes the hook, the chain is driven to move upwards, the upper connecting rod moves upwards due to the acting force of the chain at the moment, the sliding pin action spring is stretched, the sliding pin fixing seat exits from the limiting locking hook of the outer support leg, and the upper connecting rod, the lower connecting rod and the support leg synchronously operate and retract inwards;

and finally, when the pushing spring is reached, the lower connecting rod compresses the pushing spring to complete the final state action of retraction.

The expansion working principle is as follows: the electric push rod is controlled to vertically extend downwards in an initial state, the inner support leg vertically extends downwards along with the electric push rod at the moment, the push-out spring provides outwards moving thrust for the support leg, the hook moves downwards along with the inner support leg to drive the chain to move downwards, the upper connecting rod, the lower connecting rod and the support leg synchronously operate to outwards perform opening action at the moment, and when the position of the outer support leg is limited, the sliding pin action spring pulls the sliding pin fixing seat to enter the position limiting and locking hook of the outer support leg to complete the opening action.

The recovery working principle is as follows: the electric push rod is controlled to retract upwards and vertically, the inner supporting leg retracts upwards and vertically along with the electric push rod at the moment, when the inner supporting leg pushes the hook, the chain is driven to move upwards, the upper connecting rod moves upwards due to the acting force of the chain at the moment, the sliding pin action spring is stretched, the sliding pin fixing seat exits from the outer supporting leg limiting locking hook, the upper connecting rod, the lower connecting rod and the supporting leg synchronously operate and retract inwards, when the upper connecting rod, the lower connecting rod and the supporting leg reach the pushing spring, the pushing spring is compressed through the lower connecting rod, and the retracting action is completed.

The invention has the beneficial effects that: the utility model provides a expand, pack up device from loading and unloading shelter supporting leg, in particular to emergent many supporting legs of loading and unloading shelter expand, pack up the transmission mode, possess following characteristic: 1. the supporting legs are automatically retracted and retracted without manual operation; 2. the power source for unfolding and retracting the supporting legs is provided by the telescopic electric push rods of the supporting legs, and no additional power unit is added; 3. the supporting legs are automatically locked after being unfolded, and manual insertion of a bolt for locking is not needed; the supporting leg is automatic unblock when withdrawing, need not manual bolt unblock of pulling out.

Drawings

FIG. 1 is a schematic view of an initial state of an emergency self-loading and unloading shelter of an automatic retractable support device;

FIG. 2 is a schematic view of an emergency self-loading and unloading shelter with an automatically retractable support device in an expanded state;

FIG. 3 is a schematic view of an emergency self-loading and unloading shelter support leg of an automatic retractable support device in an unfolded and locked state;

FIG. 4 is a schematic diagram of an extended state of an emergency self-loading and unloading shelter support leg of the automatic retractable support device;

fig. 5 is a partial enlarged schematic view of an emergency self-loading and unloading shelter with an automatic folding and unfolding supporting device.

Detailed Description

The invention is further described below with reference to the figures and examples.

Example 1

As shown in fig. 1-5, an emergency self-loading and unloading shelter capable of automatically retracting and releasing a supporting device comprises an automatic retracting and releasing supporting device and an emergency self-loading and unloading shelter, it is characterized in that the automatic retracting and releasing supporting device comprises an outer supporting leg 2, an inner supporting leg 1, an electric push rod, an upper connecting rod 3 and a lower connecting rod 4, the upper end of the electric push rod is connected with the outer support leg 2 through a pin shaft, the lower end is connected with the inner support leg 1 through a pin shaft, the upper connecting rod 3 and the lower connecting rod 4 are rotatably connected with the outer supporting leg 2 through a pin shaft, the inner supporting leg 1 is connected with the upper connecting rod 3 through a chain 5, the outer supporting leg 2 is provided with a limit locking hook 6, and the limit locking hook 6 and the outer support leg 2 form a downward-inclined angle, the upper connecting rod 3 is provided with a sliding pin fixing seat 9, when the retractable supporting device is unfolded to be in a final state, the limit locking hook 6 is correspondingly locked with the sliding pin fixing seat 9; the emergency self-loading and unloading shelter 13 is connected with at least two automatic folding and unfolding supporting devices.

Further, the chain 5 is detachably connected with the top end of the inner support leg 1 through a hook 8. The chain is used as a power transmission part to transmit the power of the inner supporting leg to the upper connecting rod to drive the upper connecting rod to expand or retract.

Further, the chain 5 drives the outer supporting leg 2 to be unfolded or retracted through the upper connecting rod 3.

Further, the top end of the outer support leg 2 is provided with a groove, and the hook 8 is arranged below the groove.

Further, an adjusting screw 12 is arranged between the chain 5 and the hook 8.

Further, the tail end of the upper connecting rod is provided with a chain guide wheel 7 for guiding the moving direction of the chain.

Further, a push-out spring 11 is arranged on the side edge of the lower connecting rod, and auxiliary power is provided when the supporting leg is unfolded.

Example 2

As shown in fig. 1-5, a method for using an emergency self-loading and unloading shelter with an automatic retractable supporting device is characterized by comprising the following steps:

firstly, in an initial state, the electric push rod vertically extends downwards, the inner supporting leg vertically extends downwards along with the electric push rod, the hook moves downwards along with the inner supporting leg to drive the chain to move downwards, and at the moment, the upper connecting rod, the lower connecting rod and the supporting leg synchronously operate and do outward opening action;

secondly, when the hook reaches the limit of the outer support leg, the sliding pin action spring pulls the sliding pin fixing seat to enter the limit locking hook of the outer support leg, and the unfolding final state action of the folding and unfolding support device is completed;

thirdly, the electric push rod vertically retracts upwards, the inner support leg vertically retracts upwards along with the electric push rod at the moment, when the inner support leg pushes the hook, the chain is driven to move upwards, the upper connecting rod moves upwards due to the acting force of the chain at the moment, the sliding pin action spring is stretched, the sliding pin fixing seat exits from the limiting locking hook of the outer support leg, and the upper connecting rod, the lower connecting rod and the support leg synchronously operate and retract inwards;

and finally, when the pushing spring is reached, the lower connecting rod compresses the pushing spring to complete the final state action of retraction.

While the invention has been described in connection with specific preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.