CN114949659A

CN114949659A - Rescue fisher suitable for narrow space

Info

Publication number: CN114949659A
Application number: CN202210814220.2A
Authority: CN
Inventors: 王龙飞; 高峰; 徐瑞庚
Original assignee: Fire Rescue Brigade Of Linzi District Zibo City
Current assignee: Fire Rescue Brigade Of Linzi District Zibo City
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-08-30

Abstract

The invention aims to solve the technical problem of providing a rescue fisher applicable to a narrow space, and the rescue fisher can flexibly lift out a rescue salvage target trapped in the narrow space through the cooperation of a supporting assembly and a binding device. It comprises the following components: fishing the main rod; the supporting component comprises a claw seat and a supporting claw, the claw seat is arranged at the bottom end of the salvaging main rod, and the supporting claw is rotatably connected to the bottom end of the claw seat; in the initial state, the supporting claw faces downwards vertically, and when the supporting claw works, the supporting claw and the claw seat are in an L shape; the binding device comprises an auxiliary sleeve and a rope sleeve adjuster, the auxiliary sleeve is sleeved on the salvaging main rod and can move relatively, the rope sleeve adjuster is installed on the side wall of the auxiliary sleeve, an annular hard rope sleeve is arranged on the rope sleeve adjuster, and a first traction rope is arranged at the upper end of the auxiliary sleeve.

Description

Rescue fisher suitable for narrow space

Technical Field

The invention relates to the field of emergency rescue equipment in a narrow space, in particular to a rescue fisher applicable to the narrow space.

Background

Rescue and salvage work in narrow deep wells and gaps is a big problem of current fire rescue teams and folk rescue teams, especially for children falling into the narrow deep wells, the well mouth is generally small, rescue workers are difficult to support to carry out rescue work deep into the well, and then the rescue work is trapped in a stiff place, and large-area excavation can be carried out on the side of the deep well only by means of large-scale excavation equipment. Not only does this rescue method require a lot of manpower, material resources and time, but also the lives of the trapped persons are seriously threatened. The rescue salvaging equipment at the present stage is a connecting rod hook-shaped tool, or a claw-shaped salvaging device with the tail end provided with a telescopic function, or tripod rescue equipment with a steel wire rope; the current rescue and salvage objects are single, if the hook-shaped fisher is only suitable for objects which can be hooked, the volume and the weight of the objects salvaged by the claw-shaped fisher cannot be too large, and the tripod rescue fisher must be matched with rescue workers to go into a well to implement rescue and salvage operation.

Disclosure of Invention

The invention aims to solve the technical problem of providing a rescue fisher applicable to a narrow space, and the rescue fisher can flexibly lift out a rescue salvage target trapped in the narrow space through the cooperation of a supporting assembly and a binding device.

The invention is realized by the following technical scheme:

a rescue fisher applicable to narrow space comprises: fishing the main rod; the supporting component comprises a claw seat and a supporting claw, the claw seat is arranged at the bottom end of the salvaging main rod, and the supporting claw is rotatably connected to the bottom end of the claw seat; in the initial state, the supporting claw faces downwards vertically, and when the supporting claw works, the supporting claw and the claw seat are in an L shape; the binding device comprises an auxiliary sleeve and a rope sleeve adjuster, the auxiliary sleeve is sleeved on the salvaging main rod and can move relatively, the rope sleeve adjuster is installed on the side wall of the auxiliary sleeve, an annular hard rope sleeve is arranged on the rope sleeve adjuster, and a first traction rope is arranged at the upper end of the auxiliary sleeve.

Furthermore, the claw seat is of a square tube structure, the tail end of the supporting claw is rotatably connected to the left side wall and the right side wall of the bottom end of the claw seat through two connecting plates, a spring is arranged on each connecting plate at a position close to the front part of the connecting plate, and the other end of the spring is fixed on the same side face of the claw seat;

when the supporting claw is vertically downward, the rear side face of the connecting plate is aligned with the rear side face of the claw seat, a claw control bolt is inserted into the rear side face of the claw seat, a limiting baffle plate for fixing the connecting plate and the claw seat relatively is arranged on the claw control bolt, and a second traction rope is arranged at the upper end of the claw control bolt.

Furthermore, the left side wall and the right side wall of the claw seat are respectively provided with a claw limiting block and a claw limiting spring pin, when the bearing claw rotates to the position where the claw seat is L-shaped, the claw limiting block is located on the front side face of the connecting plate, and the claw limiting spring pin is located on the rear side face of the connecting plate.

Furthermore, the rope sling adjuster comprises an adjusting sleeve and a T-shaped sleeve, the lower end of the adjusting sleeve is communicated with the middle of the T-shaped sleeve, and the head end of the hard rope sling is fixed at the right end and the tail of the front side surface of the T-shaped sleeve and penetrates through the left end of the front side surface of the T-shaped sleeve and sequentially penetrates through the inner cavities of the T-shaped sleeve and the adjusting sleeve to extend out of a wellhead.

Furthermore, a plurality of vertical rollers are arranged in the T-shaped sleeve, a plurality of transverse rollers are arranged in the adjusting sleeve, and the rope of the hard rope sleeve sequentially bypasses the rolling surfaces of the transverse rollers and the vertical rollers.

Furthermore, a slide rail is arranged in the adjusting sleeve and is close to the upper end of the adjusting sleeve, a slide block which slides up and down is matched on the slide rail, a tension spring is fixed on the slide block, and the other end of the tension spring is fixed on the inner wall of the adjusting sleeve and is positioned below the slide rail;

the cord of the hard cord sleeve penetrates through the tension spring from bottom to top and is fixedly connected with the upper end of the tension spring.

Further, the stereoplasm noose is established ties on being located the rope line of adjusting sleeve and is had the buffer, the buffer includes a buffer cylinder, the upper end and the lower extreme of buffer cylinder all rotate and are connected with the column spinner, and two upper and lower column spinners are connected respectively on the rope line tie point of stereoplasm noose.

Furthermore, a claw shell is sleeved on the bearing claw, an adjusting bolt connected with the bearing claw is arranged on the claw shell, and the position of the claw shell can be adjusted relative to the bearing claw.

Furthermore, the salvaging main rod is a telescopic rod formed by sleeving a plurality of unit pipes end to end.

Further, the hard rope sleeve is a steel wire rope.

Compared with the prior art, the invention has the following beneficial effects:

1. the supporting component is placed below a rescue salvage target through the salvage main rod, the supporting claw and the claw seat are in an L shape, so that the supporting claw supports the rescue salvage target, the binding device is controlled to be placed at the rescue salvage target through the first traction rope, a sleeve ring of a hard rope sleeve is sleeved on the rescue salvage target, and the rescue salvage target is bound tightly through the hard rope sleeve;

the rescue and salvage target such as people or objects trapped in a narrow space can be flexibly and safely lifted out through the matching of the supporting mode of the supporting component and the binding mode of the binding device;

2. the rescue fisher is simple to operate, safe, convenient and flexible to use, and can be used for quickly salvaging and lifting out rescue salvage targets under the condition of ensuring the safety of the rescue salvage targets;

3. when the salvaging main rod transfers the bearing component to the lower part of the rescue salvaging target, the claw hollow bolt is pulled out by dragging the second traction rope outside the well mouth, and the bearing claw rotates to be in an L-shaped state with the claw seat under the action of the spring, so that the rescue salvaging target is quickly and conveniently supported;

4. the rope sleeve regulator comprises a regulating sleeve and a T-shaped sleeve, the tail end of the hard rope sleeve sequentially penetrates through the T-shaped sleeve and the inner cavity of the regulating sleeve to extend out of the wellhead, and rescue workers outside the wellhead can conveniently control the tightness degree of a rope ring of the hard rope sleeve and conveniently bind a rescue salvage target;

5. the rescue personnel can conveniently salvage and rescue people or objects in narrow spaces such as narrow wells or gaps, the operation is simple and rapid, the use is convenient, the application is wide, and the rescue personnel is worthy of being popularized in the market.

Drawings

FIG. 1 is a schematic view of the rescue fisher of the present invention;

FIG. 2 is a schematic view of the construction of the support assembly of the present invention;

FIG. 3 is a schematic view of the vertical orientation of the holding jaw of the support assembly of the present invention;

FIG. 4 is a schematic view of a support jaw and jaw seat of the support assembly of the present invention in an L-shape;

FIG. 5 is a schematic view of the internal structure of the adjusting sleeve according to the present invention;

FIG. 6 is a schematic view of the internal structure of the T-shaped casing according to the present invention;

FIG. 7 is a schematic view of a buffer according to the present invention;

in the figure: 1. salvage mobile jib, 2, bearing subassembly, 3, bind the device, 31, supplementary sleeve pipe, 32, the stereoplasm noose, 33, adjusting sleeve, 34, T shape sleeve pipe, 35, vertical roller bearing, 36, horizontal roller bearing, 37, slide rail, 38, slider, 39, the extension spring, 4, first haulage rope, 5, second haulage rope, 6, the claw seat, 61, claw accuse bolt, 62, limit baffle, 63, claw stopper, 64, the spacing spring catch of claw, 7, bearing claw, 71, the connecting plate, 72, the spring, 73, the claw shell, 8, the surge drum, 9, the column spinner.

Detailed Description

The invention will be further explained with reference to the following drawings and examples

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on the directions or positional relationships shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the parts or elements of the present invention, and are not intended to refer to any part or element of the present invention, and are not to be construed as limiting the present invention.

Taking the rescue falling into a narrow deep well as an example, the embodiment discloses a rescue fisher applicable to a narrow space, as shown in fig. 1, the rescue fisher mainly comprises a fishing main rod 1, a bearing component 2, a binding device 3, a first traction rope 4 and a second traction rope 5.

The fishing main rod 1 is a telescopic rod (omitted from the drawing and simplified into one) formed by sleeving 3-5 unit pipes end to end, and rescue workers can stretch the fishing main rod 1 into a narrow well at a wellhead. As shown in fig. 2, the supporting component 2 mainly includes a claw seat 6 and a supporting claw 7, the claw seat 6 is of a square tube structure, and the upper end of the claw seat 6 is welded at the bottom end of the fishing main rod 1. Two connecting plates 71 which are symmetrically distributed left and right are arranged at the tail end of the supporting claw 7, and the two connecting plates 71 are rotatably connected to the left side wall and the right side wall of the bottom end of the claw seat 6 through rotating shafts, so that the supporting claw 7 can relatively rotate relative to the claw seat 6. A spring 72 is fixed to each plate 71 near the front, and the other end of the spring 72 is fixed to the same side of the jaw 6, so that the support jaw 7 can rotate relative to the jaw 6 under the action of the spring 72. The claw shell 73 is sleeved on the bearing claw 7, the adjusting bolt connected with the bearing claw 7 is arranged on the claw shell 73, and the claw shell 73 can adjust the position relative to the bearing claw 7, so that the whole length of the bearing claw 7 is changed, and the bearing claw is suitable for wells with different diameters and sizes.

As shown in fig. 3-4, the supporting claw 7 needs to support the person to be rescued from the bottom, the supporting claw 7 needs to be kept vertically downward before the supporting component 2 is sent to the lower part of the person to be rescued, and after the supporting component 2 is sent to the lower part of the person to be rescued, the supporting claw 7 needs to be rotated to the position which is L-shaped with the claw seat 6. When bearing claw 7 is vertical downwards, the trailing flank of connecting plate 71 aligns with the trailing flank of claw seat 6, install a bolt section of thick bamboo at the trailing flank of claw seat 6, it is equipped with claw accuse bolt 61 to insert in a bolt section of thick bamboo, the welding has limit baffle 62 on claw accuse bolt 61, limit baffle 62 can make connecting plate 71 and claw seat 6 relatively fixed, connect second haulage rope 5 at claw accuse bolt 61's upper end, second haulage rope 5 extends to the well head, when the succor draws second haulage rope 5, claw accuse bolt breaks away from, thereby remove limit baffle 62 to the restraint of connecting plate 71, bearing claw 7 rotates under the effect of spring 72. In order to ensure that the supporting claw 7 needs to rotate to a position which is L-shaped with the claw seat 6, the left side wall and the right side wall of the claw seat 6 are respectively provided with a claw limiting block 63 and a claw limiting spring pin 64, when the supporting claw 7 rotates to be L-shaped with the claw seat 6, the claw limiting block 63 is positioned on the front side surface of the connecting plate 71 and used for preventing the supporting claw 7 from further rotating, and the claw limiting spring pin 64 is positioned on the rear side surface of the connecting plate 71 and used for preventing the supporting claw 7 from rotating backwards in the operation process, so that the supporting claw 7 is ensured to rotate to be L-shaped with the claw seat 6. When the supporting claw 7 needs to be reset, the claw limiting spring pin 64 is pressed down, the supporting claw 7 is manually rotated to the initial state in the opposite direction, and the claw control bolt 61 is inserted into the bolt cylinder.

As shown in fig. 5-6, the binding device 3 includes an auxiliary sleeve 31, a hard rope sleeve 32 and a rope sleeve adjuster composed of an adjusting sleeve 33 and a T-shaped sleeve 34, the auxiliary sleeve 31 is sleeved on the fishing main rod 1 and can move relatively, the rope sleeve adjuster is installed on the side wall of the auxiliary sleeve 31, and the lower end of the adjusting sleeve 33 is communicated with the middle position of the T-shaped sleeve 34. The upper end of the auxiliary sleeve 31 is provided with a first traction rope 4, the first traction rope 4 can extend to the position of a wellhead, and the rescue workers can control the relative position of the binding device 3 through the first traction rope 4. The hard rope sling 32 is made of steel wire ropes, certain rigidity of the hard rope sling 32 is guaranteed, the head end of the hard rope sling 32 is fixed at the right end of the front side face of the T-shaped sleeve 34, and the tail end of the hard rope sling 32 penetrates through the left end of the front side face of the T-shaped sleeve 34 and sequentially penetrates through the inner cavities of the T-shaped sleeve 34 and the adjusting sleeve to extend out of a wellhead. The rescue personnel can adjust the size of the rope loop of the hard sleeve rope outside the T-shaped sleeve 34 by controlling the tail end of the hard rope sleeve 32 outside the wellhead. Because the hard rope sling 32 has certain rigidity, the rope loop of the hard rope sling on the outer side formed by the T-shaped sleeve 34 is always circular, and cannot be deformed too much when moving downwards in a deep well, so that the hard rope sling can be sleeved on a rescue target.

The position near the left end in the T-shaped sleeve 34 is provided with 3 vertical rollers 35, two horizontal rollers 36 are arranged in the adjusting sleeve 33, and the rope of the hard rope sleeve 32 sequentially rounds the rolling surfaces of the horizontal rollers 36 and the vertical rollers 35. By such design, the cord of the hard cord sleeve 32 can be smoothly distributed from horizontal to vertical, and the frictional resistance is reduced when the hard cord sleeve 32 is pulled. A slide rail 37 which is distributed up and down is arranged in the adjusting sleeve 33 and is close to the upper end, a slide block 38 which slides up and down is matched on the slide rail 37, a tension spring 39 is fixed on the slide block 38, the other end of the tension spring 39 is fixed on the inner wall of the adjusting sleeve 33 and is positioned below the slide rail 37, and the rope line of the hard rope sleeve 32 penetrates through the tension spring 39 from bottom to top and is fixedly connected with the upper end of the tension spring 39. The design of the slide rails 37 ensures that when the hard rope sling 32 is pulled, a straight line state is ensured, and rope knotting is avoided. The design of the tension spring 39 ensures that the position of the hard rope sling 32 is kept relatively unchanged under the condition of no traction force, and the rope loop is prevented from shrinking when moving downwards in a deep well. As shown in fig. 7, in order to prevent the rope from rotating to cause the torsional deformation of the rope loop when the hard rope sling 32 is operated at the wellhead, a buffer is connected in series on the rope of the adjusting sleeve 33, the buffer comprises a buffer cylinder 8, the upper end and the lower end of the buffer cylinder 8 are both rotatably connected with rotary columns 9 through deep groove ball bearings, and the upper rotary column 9 and the lower rotary column 9 are respectively connected on the rope connection points of the hard rope sling 32.

The rescue fisher applicable to the narrow space has the following specific working process:

1. firstly, the bearing claw is in an initial vertical state, a rescuer controls the first traction rope, the second traction rope and the tail end of the hard rope sleeve by hands, and the length of the salvaging main rod is adjusted to meet the requirement of extending into a deep well;

2. then, the salvaging main rod is controlled to drive the binding device to extend into a narrow deep well, and the distance between the binding device and the supporting component is controlled by lifting the first traction rope to adapt to the sizes of different targets to be rescued;

the supporting component firstly extends into the lower part of the person to be rescued, the grabbing control bolt is separated by lifting the second traction rope, the constraint of the limiting baffle plate on the connecting plate is removed, the supporting claw rotates to the position which is L-shaped with the claw seat under the action of the spring, and the supporting claw supports the person to be rescued;

3. the rope loop of the hard rope sleeve is sleeved on the body of the person to be rescued by controlling the first traction rope, and the rope loop is tightened and bound to the person to be rescued by drawing the tail end of the hard rope sleeve

4. The supporting mode of the supporting component and the binding mode of the binding device are matched, so that people or objects trapped in a narrow space can be flexibly and flexibly rescued and salvaged to safely lift the target.

In the implementation process of rescuing and salvaging people or objects, the rescued people or objects are bound on the salvaging main rod, the rescued objects are ensured not to fall off in the lifting process, the safety factor is greatly improved with the help of the binding device, and the rescuing speed is improved at the same time.

Claims

1. The utility model provides a rescue fisher that is suitable for narrow space which characterized in that, including:

fishing the main rod;

the supporting component comprises a claw seat and a supporting claw, the claw seat is arranged at the bottom end of the salvaging main rod, and the supporting claw is rotatably connected to the bottom end of the claw seat; in the initial state, the supporting claw faces downwards vertically, and when the supporting claw works, the supporting claw and the claw seat are in an L shape;

the binding device comprises an auxiliary sleeve and a rope sleeve adjuster, the auxiliary sleeve is sleeved on the salvaging main rod and can move relatively, the rope sleeve adjuster is installed on the side wall of the auxiliary sleeve, an annular hard rope sleeve is arranged on the rope sleeve adjuster, and a first traction rope is arranged at the upper end of the auxiliary sleeve.

2. The rescue fisher according to claim 1, wherein the claw seat is of a square tube structure, the tail end of the supporting claw is rotatably connected to the left side wall and the right side wall of the bottom end of the claw seat through two connecting plates, a spring is arranged on each connecting plate at a position close to the front part of each connecting plate, and the other end of each spring is fixed on the same side face of the claw seat;

3. The rescue fisher of claim 2, wherein a claw limiting block and a claw limiting spring pin are arranged on the left side wall and the right side wall of the claw seat, when the bearing claw rotates to form an L shape with the claw seat, the claw limiting block is positioned on the front side surface of the connecting plate, and the claw limiting spring pin is positioned on the rear side surface of the connecting plate.

4. The rescue fisher according to claim 1, wherein the rope sleeve adjuster comprises an adjusting sleeve and a T-shaped sleeve, the lower end of the adjusting sleeve is communicated with the middle of the T-shaped sleeve, the head end of the hard rope sleeve is fixed at the right end of the front side surface of the T-shaped sleeve, the tail of the hard rope sleeve penetrates through the left end of the front side surface of the T-shaped sleeve, and the hard rope sleeve sequentially penetrates through the inner cavities of the T-shaped sleeve and the adjusting sleeve and extends out of a wellhead.

5. The rescue fisher of claim 4 wherein the T-shaped sleeve is internally provided with a plurality of vertical rollers, the adjusting sleeve is internally provided with a plurality of transverse rollers, and the rope of the hard rope loop sequentially bypasses the rolling surfaces of the transverse rollers and the vertical rollers.

6. The rescue fisher according to claim 5, wherein a slide rail is arranged in the adjusting sleeve at a position close to the upper end, a slide block which slides up and down is matched on the slide rail, a tension spring is fixed on the slide block, and the other end of the tension spring is fixed on the inner wall of the adjusting sleeve at a position below the slide rail;

7. The rescue fisher according to claim 5, wherein the hard rope sleeve is positioned on the rope of the adjusting sleeve and is connected with a buffer in series, the buffer comprises a buffer cylinder, the upper end and the lower end of the buffer cylinder are both rotatably connected with rotating columns, and the upper rotating column and the lower rotating column are respectively connected to the rope connecting points of the hard rope sleeve.

8. The rescue fisher according to claim 1, wherein a claw shell is sleeved on the supporting claw, an adjusting bolt connected with the supporting claw is arranged on the claw shell, and the claw shell can adjust position relative to the supporting claw.

9. The rescue fisher of any one of claims 1 to 8 wherein the fishing main rod is a telescopic rod formed by sleeving a plurality of unit pipes end to end.

10. The rescue fisher of any one of claims 1-8, wherein the hard noose is a wire rope.