CN219809194U

CN219809194U - Portable lifting device

Info

Publication number: CN219809194U
Application number: CN202223411911.2U
Authority: CN
Inventors: 何宝亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-10-10
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a portable lifting device, which comprises a base, wherein a liquid tank and a hydraulic motor are connected in the base, a liquid inlet and a liquid outlet of the hydraulic motor are respectively connected with a liquid inlet pipe and a liquid outlet pipe, the liquid inlet pipe and the liquid outlet pipe are both communicated with the liquid tank, a speed limiting valve and a speed regulating valve are connected on the liquid outlet pipe, a wire reel is connected on an output shaft of the hydraulic motor, a safety rope is connected on the wire reel in a winding way, and a driving device is connected in the base and used for driving the hydraulic motor to rotate. The utility model has the advantages that: the device not only can drive personnel slowly to descend when using, can also adjust the decline speed at the in-process that descends, can also pass through manual rolling safety rope in addition, when cooperation motor and oil pump use, this device not only can regard as the instrument of climbing lift, can also regard as the instrument of crossing ditch mountain stream, river, transportation personnel and supplies of being convenient for.

Description

Portable lifting device

Technical Field

The utility model relates to the technical fields of high-altitude escape equipment, field rescue climbing and the like, in particular to a portable lifting device.

Background

In the prior art, after a fire disaster occurs in a high-rise building, personnel at the high-rise building are difficult to rescue. The existing fire-fighting equipment is difficult to rescue for high-rise personnel and can only be automatically solved by the personnel. With the increasing number of high-rise buildings, there is an urgent need for a device that can be used for self-rescue of high-rise building personnel.

The current chinese patent of application number 2017104461570 discloses an intelligence knapsack of fleing, and this patent is including being used for tying up braces and the slow-down mechanism on the user, slow-down mechanism include the fixed bolster, install wheel hub on the fixed bolster and with wheel hub matched with centrifugal speed reduction damper, twine the rope on the wheel hub, still be provided with a rope on the fixed bolster and retrieve actuating mechanism, rope retrieve actuating mechanism include the motor, with the transmission structure that the motor is connected and with the synchronizing wheel that transmission structure is connected, the synchronizing wheel drive wheel hub counter-rotating. This patent adopts wheel hub wiring safety rope, through the cooperation between wheel hub and the centrifugal speed reduction damper, can play the effect of slowing down wheel hub to make personnel slowly descend at the uniform velocity, this patent also can play the effect of retrieving safety rope moreover, but personnel can't adjust the decline speed according to self needs at the in-process that descends.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a portable lifting device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a portable elevating gear, includes base, at base internal connection liquid case and hydraulic motor, connect feed liquor pipe and drain pipe respectively at hydraulic motor's inlet, drain pipe all communicate liquid case, connect the speed limit valve on the drain pipe, connect the wire reel on hydraulic motor's output shaft, the wiring is connected safety rope on the wire reel, at base internal connection drive arrangement, drive arrangement is used for driving hydraulic motor.

Preferably, the driving device comprises a power supply, a controller, a motor and an oil pump, wherein the power supply and the controller are connected to the outer side of the base, the motor and the oil pump are fixedly connected to the inside of the base, the motor is connected with an oil cylinder in a driving mode, and the oil pump is connected with the hydraulic motor in a driving mode.

Preferably, the liquid inlet and outlet of the oil pump are respectively connected with a first pipeline and a second pipeline, the first pipeline and the second pipeline are respectively connected with the liquid inlet pipe and the liquid outlet pipe, the first pipeline is connected with a third pipeline, the third pipeline is communicated with the liquid tank, the second pipeline is connected with a fourth pipeline, the fourth pipeline is connected with the third pipeline, and the third pipeline and the fourth pipeline are both connected with a first check valve.

Preferably, a filter is arranged in the liquid tank, and the filter is connected to the pipe orifice of the third pipe.

Preferably, a first overload protection member and a second overload protection member are connected to the first pipe and the second pipe, respectively.

Preferably, a rotating handle is connected to the spool.

Preferably, a gate valve is connected to the liquid outlet pipe.

Preferably, a third overload protection member is connected to the liquid outlet pipe, and the third overload protection member is disposed between the hydraulic motor and the speed limiting valve.

Preferably, a circulating pipe is connected between the liquid inlet pipe and the liquid outlet pipe, a switching valve is connected to the circulating pipe, a second one-way valve is connected to the liquid inlet pipe, and the second one-way valve is arranged in the liquid tank.

The utility model has the advantages that: according to the portable lifting device, the base is fixed on a person, one end of the safety rope is fixed, the gate valve is opened, the person descends to drive the wire spool to rotate, the wire spool drives the output shaft of the hydraulic motor to rotate, so that the liquid in the liquid tank is extracted by the liquid inlet pipe of the hydraulic motor, then the liquid returns to the liquid tank again through the liquid outlet pipe, the speed limiting valve is arranged on the liquid outlet pipe, the rotating speed of the output shaft of the hydraulic motor is controlled by controlling the flow rate of the liquid in the liquid outlet pipe, and therefore the person can slowly descend, the speed regulating valve is connected to the liquid outlet pipe, and the descending speed is regulated by the speed regulating valve;

can also cooperate motor and oil pump to use, thereby drive the liquid in the oil pump extraction liquid case through the motor, thereby liquid passes through hydraulic motor and drives hydraulic motor's output shaft and rotate, and the output shaft drives the wire reel and rotates to carry out rolling or unreel to the safety rope, make this device can be as climbing lifting tool and stride across the instrument of ditch mountain stream, river.

Drawings

Fig. 1 is a schematic structural diagram of a portable lifting device according to the present utility model.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

As shown in fig. 1, the portable lifting device provided by the utility model comprises a base 1, wherein the base 1 is made into the shape of a case, a knapsack or a waist bag, the portable lifting device is convenient to carry, the outside of the base 1 is connected with a binding belt, the base 1 is fixed on a human body through the binding belt,

be equipped with the installation cavity in base 1, connect hydraulic motor 3 in the installation cavity, feed liquor pipe 4 and drain pipe 5 are connected respectively at hydraulic motor 3's inlet, feed liquor pipe 4 and drain pipe 5 all communicate liquid case 2, the bottom in base 1 is connected to liquid case 2, liquid case 2 adopts the rubber material to make, be convenient for adapt to the shape of base 1, liquid that liquid case 2 intussuseption was filled with can be water or hydraulic oil in this embodiment, the water of filling is preferentially adopted in the preferred embodiment, the device of being convenient for is in the open-air use, connect the second check valve on feed liquor pipe 4, the second check valve sets up in liquid case 2, can prevent through the second check valve that liquid from flowing back to liquid case 2 from feed liquor pipe 4.

The circulating pipe 4.1 is connected between the liquid inlet pipe 4 and the liquid outlet pipe 5, the switching valve 4.2 is connected to the circulating pipe 4.1, the wire spool 7 is connected to the output shaft of the hydraulic motor 3, the safety rope 8 is wound on the wire spool 7, the rotating handle 10 is connected to the wire spool 7, when the safety rope 8 is manually collected, the switching valve 4.2 is firstly opened, the wire spool 7 is rotated through the rotating handle 10, the output shaft of the hydraulic motor 3 is driven by the wire spool 7 to rotate, liquid is extracted from the liquid tank 4 by the liquid inlet pipe 4 of the hydraulic motor 3, then a closed loop is formed through the circulating pipe 4.1, the wire spool 7 can wind the safety rope 8, the safety rope 8 is wound, and finally the switching valve 4.2 is closed for standby.

The gate valve 5.1 is connected to the drain pipe 5, the drain pipe 5 is controlled to be closed and circulated through the gate valve 5.1, the speed limiting valve 6 is connected to the drain pipe 5, and the liquid flow rate in the liquid motor 3 is controlled through the speed limiting valve 6, so that the rotation speed of the output shaft of the liquid motor 3 is controlled, the safety rope 8 is controlled to extend out, and the safety rope can ensure safe landing of users.

The liquid outlet pipe 5 is also connected with a speed regulating valve 5.3, the speed of the liquid in the liquid motor 3 can be further regulated on the basis of the speed regulating valve 6 through the speed regulating valve 5.3, so that the liquid can land at a safer speed, and the frightening and discomfort caused by the too fast speed of the old and children are prevented.

When in emergency: the base 1 is fixed on a body through a binding band, one end of the safety rope 8 is fixed, quick descent preparation is made, the gate valve 5.1 is opened, the safety rope 8 starts to descend under the action of gravity, the wire spool 7 is driven to rotate, the wire spool 7 drives the output shaft of the hydraulic motor 3 to rotate, the speed limiting valve 6 limits the flow rate of liquid in the liquid motor 3, so that the rotation speed of the output shaft of the liquid motor 3 is limited, the safety rope 8 is controlled to stretch out, and a user can safely land.

When the emergency stop is needed in the air, the emergency stop can be stopped in the air only by closing the gate valve 5.1, the third overload protection piece 5.2 is connected to the liquid outlet pipe 5, the third overload protection piece 5.2 is a third overflow valve, one end of the third overflow valve is connected to the liquid outlet pipe 5, the other end of the third overflow valve is connected to the third return pipe, the liquid tank 2 is communicated through the third return pipe, the third overload protection piece 5.2 is arranged between the hydraulic motor 3 and the speed limiting valve 6, the speed limiting valve 6 and the hydraulic motor 3 are protected through the third overload protection piece 5.2, and when the emergency stop is prevented, the speed limiting valve 6 and the gate valve 5.1 are impacted by liquid, so that the speed limiting valve 6 and the gate valve 5.1 are damaged.

In addition, the device can also be used as a high-altitude safety belt: firstly, the safety belt is fixed on the base 1, then the safety belt is worn on a human body, then the safety rope 8 is fixed, when falling occurs, the safety rope 8 transmits impact force to the third overflow valve through the wire reel 7, when the impact force is larger than a set value of the third overflow valve, the third overflow valve is opened, liquid flows back to the liquid tank 2, when the impact force is reduced to a design value, the third overflow valve is closed, so that buffering is achieved, secondary damage possibly brought by the safety belt is reduced, and when the buffering stops, the gate valve 5.1 can be opened like emergency falling, and the ground is safely fallen.

The driving device is connected in the base 1 and used for driving the hydraulic motor 3 to rotate, the driving device comprises a power supply 1.1, a controller 1.2, a motor 1.3 and an oil pump 1.4, the power supply 1.1 and the controller 1.2 are fixed on the outer side of the base 1 through bolts, the power supply 1.1 is a storage battery in the embodiment, the motor 1.3 and the oil pump 1.4 are fixedly connected in the base 1 through bolts, the motor 1.3 is in driving connection with the oil cylinder 1.4, and the oil pump 1.4 is in driving connection with the hydraulic motor 5.

The liquid inlet and outlet of the oil pump 1.4 is respectively connected with a first pipeline 1.5 and a second pipeline 1.6, and the first pipeline 1.5 and the second pipeline 1.6 are respectively connected with a liquid inlet pipe 4 and a liquid outlet pipe 5, so that a closed-loop oil way is formed among the oil pump 1.4, the first pipeline 1.5, the liquid outlet pipe 5, the hydraulic motor 3, the liquid inlet pipe 4 and the second pipeline 1.6.

Connect third pipeline 1.7 on first pipeline 1.5, third pipeline 1.7 intercommunication liquid case 2 sets up filter 1.9 in liquid case 2, and filter 1.9 connects the mouth of pipe department of third pipeline 1.7, oil pump 1.4 through the liquid in the third pipeline 1.7 extraction liquid case 2, can filter the impurity of liquid in the liquid case 2 through filter 1.9, prevent impurity jam pipeline and oil pump 1.4.

The second pipeline 1.6 is connected with a fourth pipeline 1.8, the fourth pipeline 1.8 is connected with a third pipeline 1.7, and the third pipeline 1.7 and the fourth pipeline 1.8 are both connected with first one-way valves to prevent liquid in the third pipeline 1.7 and the fourth pipeline 1.8 from flowing back to the liquid tank 2.

The first overload protection member 110 and the second overload protection member 111 are respectively connected to the first pipeline 1.5 and the second pipeline 1.6, the first overload protection member 110 and the second overload protection member 111 are overflow valves, the overflow valves are communicated with the liquid tank 2 through return pipes, and the oil pump 1.4 and the liquid motor 3 are subjected to overload protection through the first overload protection member 110 and the second overload protection member 111.

When the output shaft of the hydraulic motor 3 rotates positively, the wire spool 7 is driven to rotate positively, so that the wire spool 7 releases the safety rope 8, and when the output shaft of the hydraulic motor 3 rotates reversely, the wire spool 7 is driven to rotate reversely, so that the wire spool 7 winds the safety rope 8.

When the oil pump 1.4 drives the output shaft of the hydraulic motor 3 to rotate positively, the third pipeline 1.7 pumps the liquid in the liquid tank 2 and then enters the liquid inlet of the oil pump 1.4 through the first pipeline 1.5, then, the liquid sequentially passes through the second pipeline 1.6, the liquid inlet pipe 4, the hydraulic motor 3 and the liquid outlet pipe 5, and finally returns to the oil pump 1.4 to form a closed-loop oil path; when the oil pump 1.4 drives the output shaft of the hydraulic motor 3 to rotate reversely, the third pipeline 1.7 extracts liquid in the liquid tank 2, then the liquid enters the liquid outlet of the oil pump 1.4 through the fourth pipeline 1.8, then the liquid returns to the hydraulic motor through the second pipeline 1.6 at the oil pump 1.4, the first pipeline 1.5, the liquid outlet pipe 5, the hydraulic motor 3 and the liquid inlet pipe 4 to form a closed-loop oil circuit, the oil pump 1.4 can drive the output shaft of the hydraulic motor 3 to rotate, the output shaft of the hydraulic motor 3 drives the wire spool 7 to rotate, and the wire spool 7 winds or unwinds the safety rope 7.

This device drives oil pump 1.4 through motor 1.3, make oil pump 1.4 drive hydraulic motor 3 and rotate, make this device can use as a micro-lift, can also combine unmanned aerial vehicle to use in addition, fix the tip of safety rope 8 on unmanned aerial vehicle, then fix the tip of safety rope 8 in the eminence or the ditch mountain stream is to the bank through unmanned aerial vehicle, then start motor 1.3, promote oneself, this device also can be utilized by oneself, promote other people or supplies, otherwise also can descend the below space, this device also can the multiunit cooperation be used in order to promote the lift distance in addition, make this device can regard as the lift climbing instrument.

In the field or in the rescue occasion, a small team of a plurality of people needs to pass through barriers such as rivers, ditches and the like, a rope can be fixed at two ends, a set of conveying mechanism can be conveniently assembled by using the pulley and two sets of devices, the transported materials or people are mounted below the pulley, the two sides are respectively fixed with the device, the safety rope 8 is connected with the pulley, one side is retracted, the other side is extended, the materials or people arrive at the opposite side, the other side is retracted, and the pulley block can be pulled back to the place by the opposite side, so that the device can be used as a tool for crossing ditches and rivers.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A portable lifting device, characterized in that: including base (1), in base (1) in-connection liquid case (2) and hydraulic motor (3), connect feed liquor pipe (4) and drain pipe (5) respectively at the inlet of hydraulic motor (3), feed liquor pipe (4) and drain pipe (5) all communicate liquid case (2), connect speed limit valve (6) and governing valve (5.3) on drain pipe (5), connect wire reel (7) on the output shaft of hydraulic motor (3), wiring safety rope (8) on wire reel (7), in base (1) in-connection drive arrangement, drive arrangement is used for the drive hydraulic motor (3) rotate.

2. A portable lifting device according to claim 1, wherein: the driving device comprises a power supply (1.1), a controller (1.2), a motor (1.3) and an oil pump (1.4), wherein the power supply (1.1) and the controller (1.2) are connected to the outer side of the base (1), the motor (1.3) and the oil pump (1.4) are fixedly connected to the inside of the base (1), the motor (1.3) drives the oil pump (1.4), and the oil pump (1.4) is in driving connection with the hydraulic motor (3).

3. A portable lifting device according to claim 2, wherein: the liquid inlet and outlet of the oil pump (1.4) is respectively connected with a first pipeline (1.5) and a second pipeline (1.6), the first pipeline (1.5) and the second pipeline (1.6) are respectively connected with the liquid inlet pipe (4) and the liquid outlet pipe (5), a third pipeline (1.7) is connected on the first pipeline (1.5), the third pipeline (1.7) is communicated with the liquid tank (2), a fourth pipeline (1.8) is connected on the second pipeline (1.6), the fourth pipeline (1.8) is connected on the third pipeline (1.7), and the third pipeline (1.7) and the fourth pipeline (1.8) are both connected with a first one-way valve.

4. A portable lifting device according to claim 3, wherein: a filter (1.9) is arranged in the liquid tank (2), and the filter (1.9) is connected to the pipe orifice of the third pipeline (1.7).

5. A portable lifting device according to claim 3, wherein: a first overload protection (110) and a second overload protection (111) are connected to the first pipe (1.5) and the second pipe (1.6), respectively.

6. A portable lifting device according to claim 1, wherein: a rotating handle (10) is connected to the wire spool (7).

7. A portable lifting device according to claim 1, wherein: a gate valve (5.1) is connected to the liquid outlet pipe (5).

8. A portable lifting device according to claim 5, wherein: a third overload protection piece (5.2) is connected to the liquid outlet pipe (5), and the third overload protection piece is arranged between the hydraulic motor (3) and the speed limiting valve (6).

9. A portable lifting device according to claim 1, wherein: the circulating pipe (4.1) is connected between the liquid inlet pipe (4) and the liquid outlet pipe (5), the switching valve (4.2) is connected to the circulating pipe (4.1), the second one-way valve is connected to the liquid inlet pipe (4), and the second one-way valve is arranged in the liquid tank (2).