CN111745627A

CN111745627A - Auxiliary rescue mechanical arm

Info

Publication number: CN111745627A
Application number: CN202010740817.8A
Authority: CN
Inventors: 何秋锦
Original assignee: Individual
Current assignee: Yuanmeng Health Technology Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2020-10-09
Anticipated expiration: 2040-07-29
Also published as: CN111745627B

Abstract

The invention relates to an auxiliary rescue mechanical arm, which effectively solves the problem of low success rate of falling rescue; the technical scheme includes that the rescue tool comprises a vertical inner cylinder and an outer cylinder, the outer cylinder is slidably sleeved on the inner cylinder, a first pressure spring is installed between the upper end of the inner cylinder and the upper end of the outer cylinder, the lower end of the outer cylinder is provided with two radial mounting holes which are symmetrically arranged left and right, each mounting hole is internally provided with a clamping block, the two clamping blocks are arc-shaped and are opposite in arc opening, the outer side of each clamping block is connected with a horizontal push rod, the outer end of each push rod extends out of the outer cylinder and is connected with a tension spring with the outer wall of the outer cylinder, after a rescue worker grasps a rescued person, the outer cylinder is popped downwards, and the two clamping blocks move oppositely under; the invention can quickly and reliably grasp the arm of the rescued person, thereby avoiding the problem that the rescued person falls off due to hand fatigue and wet slip in the traditional rescue mode and effectively improving the success rate of rescue.

Description

Auxiliary rescue mechanical arm

Technical Field

The invention relates to the field of fire-fighting lifesaving equipment, in particular to an auxiliary rescue mechanical arm.

Background

In-process at the firefighter rescue twilight life personnel or drowned personnel, can often have such a condition, and the firefighter has already been grabbed by the rescuers ' arm, but because the desire of seeking survival by the rescuers is not strong, and in addition firefighter's arm strength and grip are limited, can't effectually be grabbed by the rescuers for a long time, if still there is the condition such as struggling not to cooperate by the rescuers, the firefighter wants to be can effectually rescue more difficult, causes the rescue success rate not high.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the auxiliary rescue mechanical arm, which effectively solves the problem of low success rate of falling rescue.

The technical scheme includes that the auxiliary rescue mechanical arm comprises a vertical inner cylinder and an outer cylinder, the outer cylinder is slidably sleeved on the inner cylinder, a first pressure spring is mounted between the upper end of the inner cylinder and the upper end of the outer cylinder and can push the outer cylinder to move downwards, an axial first sliding groove is formed in the outer wall of the inner cylinder and is divided into an upper section and a lower section, the depth of the upper section of the groove is larger than that of the lower section of the groove, the lower end of the first sliding groove is closed, a radial blind hole is formed in the upper end of the inner wall of the outer cylinder, a first clamping block is mounted in the blind hole, an electromagnet is mounted at the bottom of the blind hole, a power supply for supplying power to the electromagnet is mounted on the outer wall of the outer cylinder, the electromagnet is connected with a first switch through a wire, the first switch can be; a second pressure spring is arranged between the first clamping block and the electromagnet, and under the action of the second pressure spring, the inner end of the first clamping block extends into the first sliding groove; the lower end of the outer barrel is provided with two radial mounting holes which are symmetrically arranged left and right, each mounting hole is internally provided with a clamping block, the two clamping blocks are arc-shaped and have opposite arc openings, the outer side of each clamping block is connected with a horizontal push rod, the outer end of the push rod extends out of the outer barrel and is connected with a tension spring between the outer end of the push rod and the outer wall of the outer barrel, and after the outer barrel is popped downwards, the two clamping blocks move oppositely under the action of the tension spring; the upper end of the inner cylinder is connected with a fixing band which can be used for binding and fixing the device on the upper arm or the shoulder of the rescue worker.

The invention can quickly and reliably grasp the arm of the rescued person, thereby avoiding the problem that the rescued person falls off due to hand fatigue and wet slip in the traditional rescue mode and effectively improving the success rate of rescue.

Drawings

Fig. 1 is a front sectional view of the present invention in an initial state.

Fig. 2 is a front sectional view of the outer cartridge of the present invention after ejection.

Fig. 3 is a left side sectional view of the present invention in an initial state.

FIG. 4 is a top cross-sectional view of a clamp block position.

Fig. 5 is an enlarged view of the position a in fig. 1.

Fig. 6 is an enlarged view of the position B in fig. 1.

Fig. 7 is an enlarged view of the position C in fig. 3.

Detailed Description

The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the invention comprises a vertical inner cylinder 1 and an outer cylinder 2, the outer cylinder 2 is slidably sleeved on the inner cylinder 1, a first pressure spring 3 is installed between the upper end of the inner cylinder 1 and the upper end of the outer cylinder 2, the first pressure spring 3 can push the outer cylinder 2 to move downwards, an axial first chute 4 is opened on the outer wall of the inner cylinder 1, the first chute 4 is divided into an upper section and a lower section, the depth of the upper section is greater than that of the lower section, the lower end of the first chute 4 is closed, a radial first blind hole 5 is opened at the upper end of the inner wall of the outer cylinder 2, a first fixture block 6 is installed in the first blind hole 5, an electromagnet 7 is installed at the bottom of the first blind hole 5, a power supply 8 for supplying power to the electromagnet 7 is installed on the outer wall of the outer cylinder 2, the electromagnet 7 is connected with a first switch 9 through a wire, the first switch 9 can be fixed on the finger of; a second pressure spring 10 is arranged between the first clamping block 6 and the electromagnet 7, and under the action of the second pressure spring 10, the inner end of the first clamping block 6 extends into the first sliding groove 4; the lower end of the outer cylinder 2 is provided with two radial mounting holes 11 which are symmetrically arranged left and right, each mounting hole 11 is internally provided with a clamping block 12, the two clamping blocks 12 are arc-shaped and have opposite arc openings, the outer side of each clamping block 12 is connected with a horizontal push rod 13, the outer end of each push rod 13 extends out of the outer cylinder 2 and is connected with a tension spring 14 between the outer wall of the outer cylinder 2, and after the outer cylinder 2 is popped downwards, the two clamping blocks 12 move oppositely under the action of the tension spring 14; the upper end of the inner cylinder 1 is connected with a fixing belt 15, and the device can be bound and fixed on the upper arm or the shoulder of the rescue worker.

A vertical second blind hole 16 is formed in the inner wall of the upper side of each mounting hole 11, a second fixture block 17 is mounted in each second blind hole 16, a third pressure spring 18 is mounted at the bottoms of the second fixture block 17 and the second blind hole 16, under the action of a third pressure spring 18, the lower end of a second fixture block 17 extends into the mounting hole 11 and is blocked at the inner side of the fixture block 12, the upper end of the inner wall of the outer cylinder 2 is provided with two second sliding grooves 19 which are opposite to the two second fixture blocks 17 up and down, each second sliding groove 19 is internally provided with a sliding block 20, a first pull rope 21 is connected between each sliding block 20 and the upper end of the second fixture block 17 below the sliding block 20, the inner wall of the outer cylinder 2 is internally provided with a first rope hole 22 through which the first pull rope 21 can pass, the outer wall of the inner cylinder 1 is provided with two vertical third sliding grooves 23 which are symmetrically arranged left and right, the lower ends of the third sliding grooves 23 are closed, and the inner ends of the sliding blocks 20 extend into the third sliding grooves 23; after the outer cylinder 2 is popped up under the action of the first pressure spring 3, the lower end of the third sliding chute 23 pushes the sliding block 20 to move upwards so as to pull the second fixture block 17 to move upwards, so that the second fixture block 17 exits from the mounting hole 11, and the two fixture blocks 12 move inwards under the action of the tension spring 14; the inner sides in this section all refer to one side close to the axis of the outer cylinder 2, and the outer sides refer to one side far away from the axis of the outer cylinder 2.

The lower side of each push rod 13 is axially provided with sawtooth-shaped clamping grooves 24, the bottom of the inner wall of each mounting hole 11 is provided with a third blind hole 25, a third clamping block 26 is mounted in the third blind hole 25, a fourth pressure spring 27 is mounted between the third clamping block 26 and the bottom of the third blind hole 25, the upper end of the third clamping block 26 extends into the clamping grooves 24 under the action of the fourth pressure spring 27, the inner side of the upper end of the third clamping block 26 is a wedge surface, and the third clamping block 26 is matched with the clamping grooves 24 to ensure that the push rods 13 can only move inwards, so that the two clamping blocks 12 cannot loosen after tightly holding the arms of a rescuee; the lower end of each third clamping block 26 is connected with a second pull rope 28, the bottom of the blind hole is provided with a second rope hole 29, the second pull rope 28 penetrates to the lower end of the outer barrel 2 through the second rope hole 29, the lower end of each second pull rope 28 is connected with a pull ring 30, and after the third clamping block 26 is pulled down through the second pull rope 28, the push rod 13 can freely slide in the mounting hole 11; the inner sides in this section all refer to one side close to the axis of the outer cylinder 2, and the outer sides refer to one side far away from the axis of the outer cylinder 2.

The device also comprises a second switch 31, the second switch 31 is connected with the electromagnet 7 through a lead, the second switch 31 is fixed at a position where the upper head of the shoulder of the rescuer can be pressed by the chin, the current of the electromagnet 7 can be increased by pressing down the second switch 31, so that the suction force of the electromagnet 7 to the first fixture block 6 is increased, the first fixture block 6 is completely retracted into the first blind hole 5, the outer barrel 2 can be separated from the inner barrel 1, when the rescued rescuer is not matched to threaten the safety of the rescuers, the second switch 31 can be pressed down to give up rescue, and the phenomenon of greater casualties is avoided.

A vertical sliding rod 32 is fixed in each second sliding groove 19, and the inner end of the sliding block 20 penetrates through the sliding rod 32, so that the sliding block 20 can stably move in the second sliding groove 19 and the inner end of the sliding block 20 cannot tilt.

The upper end of each clamping block 12 is attached with a rubber soft pad 33, so that the wrist of the rescued person can be protected.

The lower end of the outer cylinder 2 is provided with a bell mouth 34, so that the outer cylinder 2 can be smoothly sleeved on the forearm of a rescuer when being popped downwards.

And a plurality of groups of first sliding grooves 4 and first clamping blocks 6 are uniformly distributed on the circumference.

In an initial state, the outer cylinder 2 is completely sleeved on the inner cylinder 1, the first pressure spring 3 is in a compressed state, the first fixture block 6 extends into the first sliding groove 4 under the action of the second pressure spring 10, and the first fixture block 6 blocks the lower end of the deeper upper half section of the first sliding groove 4, so that the outer cylinder 2 moves downwards differently; meanwhile, the second latch 17 is blocked at the inner side of the clamping block 12 under the action of the third compression spring 18 to block the clamping block 12 in the mounting hole 11, and at the moment, the tension spring 14 is in a rope pulling state.

When the device is used for rescue, a rescuer sleeves the inner barrel 1 on the forearm, extends the hand out of the lower end of the inner barrel 1, fixes the device on the upper arm or the shoulder by using the fixing belt 15, then ties the first switch 9 on the finger of the rescue hand, and fixes the second switch 31 on the shoulder at a position which can be pressed by the chin.

After the device is worn, a rescuer wears safety belts, safety ropes and other protective measures to reach a rescue position, grasps the hand of the rescued rescuer by the hand wearing the device, the electromagnet 7 is electrified under the pressure of the first switch 9 on the finger of the rescuer, the electromagnet 7 generates suction to the first fixture block 6, so that the first fixture block 6 moves to the bottom of the blind hole for a certain distance under the action of the second pressure spring 10, the inner end of the first fixture block 6 exits from the upper half section of the first chute 4, the lower end of the upper half section of the first chute 4 does not block the first fixture block 6, under the action of the first pressure spring 3, the outer barrel 2 is downwards popped out to be sleeved on the arm of the rescuer, the first fixture block 6 slides in the lower half section of the first chute 4 until reaching the lower end of the first chute 4, and the outer barrel 2; in the process of downward performance of the outer barrel 2, when the sliding block 20 slides to the lower end of the third sliding groove 23, the outer barrel 2 moves downwards continuously to enable the third sliding groove 23 to push the sliding block 20 to move upwards relative to the outer barrel 2, the sliding block 20 pulls the second clamping block 17 through the first pull rope 21 to overcome the action of the third pressure spring 18 to move upwards, so that the second clamping block 17 is completely withdrawn from the mounting hole 11, under the action of the tension spring 14, the two clamping blocks 12 move oppositely to clasp the arm to be rescued, the third clamping block 26 is matched with the clamping groove 24 to enable the two clamping blocks 12 not to be loosened, so that the rescued person is firmly grasped, and at the moment, the stress point of the outer barrel 2 is at the lower ends of the first clamping block 6 and the first sliding groove 4.

If the rescued person does not cooperate with the rescue to threaten the safety of the rescued person, the rescued person can press the second switch 31 on the shoulder with the chin in the case of completely losing the possibility of rescue, so that the current of the electromagnet 7 is increased, the suction force of the electromagnet 7 is increased, the first clamping block 6 completely exits the first sliding groove 4, the outer cylinder 2 slips from the inner cylinder 1 after losing the acting point, and the rescued person are separated.

After rescue is finished, the device is taken down from the arm of a rescuer, the third fixture block 26 is pulled downwards through the pull ring 30 and the second pull rope 28 to enable the third fixture block 26 to overcome the action of the fourth pressure spring 27 to move downwards, then the push rod 13 is pulled outwards to enable the two fixture blocks 12 to be completely retracted into the mounting hole 11, then the inner cylinder 1 is pressed downwards, the first pressure spring 3 is compressed, meanwhile, the first pull rope 21 is loosened, the second fixture block 17 is popped downwards to clamp the fixture blocks 12 under the action of the third pressure spring 18, the inner cylinder 1 is continuously pressed downwards until the upper half section of the first sliding groove 4 slides downwards to the position of the first fixture block 6, and the first fixture block 6 is popped out and clamped in the upper half section of the first sliding groove 4 under the action of the second pressure spring 10.

When the rescue device is used for rescuing, the arm of the rescued person can be fast and reliably grasped, so that the problem that the rescued person falls due to hand fatigue and wet slip in the traditional rescue mode is solved, the success rate of rescue can be effectively improved, meanwhile, the rescue device can be fast separated from the outer barrel 2 through the second switch 31, the threat of extreme conditions to the rescued person is avoided, and the life safety of the rescued person and the rescued person can be protected to the maximum extent.

Claims

1. The utility model provides an auxiliary rescue mechanical arm, a serial communication port, including vertical inner tube (1) and urceolus (2), urceolus (2) slidable cover is established on inner tube (1), install first pressure spring (3) between inner tube (1) upper end and urceolus (2) upper end, first pressure spring (3) can promote urceolus (2) downstream, it has axial first spout (4) to open on the inner tube (1) outer wall, first spout (4) divide into two sections from top to bottom, upper segment groove depth is greater than lower segment groove depth, the lower extreme of first spout (4) is sealed, radial first blind hole (5) have been seted up to the inner wall upper end of urceolus (2), install first fixture block (6) in first blind hole (5), electro-magnet (7) are installed to first blind hole (5) bottom, install on the outer wall of urceolus (2) power supply (8) for electro-magnet (7) power supply, electro-magnet (7) are connected with first switch (9), the first switch (9) can be fixed on the fingers of the rescuers, and the electromagnet (7) is electrified to generate suction force on the first clamping block (6) when the first switch (9) is pressed; a second pressure spring (10) is arranged between the first clamping block (6) and the electromagnet (7), and under the action of the second pressure spring (10), the inner end of the first clamping block (6) extends into the first sliding groove (4); the lower end of the outer barrel (2) is provided with two radial mounting holes (11) which are arranged in a bilateral symmetry mode, each mounting hole (11) is internally provided with one clamping block (12), each clamping block (12) is arc-shaped and opposite in arc opening, the outer side of each clamping block (12) is connected with one horizontal push rod (13), the outer end of each push rod (13) extends out of the outer barrel (2) and is connected with a tension spring (14) between the outer end of each push rod and the outer wall of the outer barrel (2), and after the outer barrel (2) is popped downwards, the two clamping blocks (12) move oppositely under the action of the tension spring (14); the upper end of the inner cylinder (1) is connected with a fixing belt (15) which can be bound and fixed on the upper arm or the shoulder of the rescue worker.

2. The auxiliary rescue mechanical arm as claimed in claim 1, wherein a vertical second blind hole (16) is formed in the inner wall of the upper side of each mounting hole (11), a second clamping block (17) is mounted in each second blind hole (16), third compression springs (18) are mounted at the bottoms of the second clamping block (17) and the second blind hole (16), under the action of the third compression springs (18), the lower end of the second clamping block (17) extends into the mounting hole (11) and blocks the inner side of the clamping block (12), two second sliding grooves (19) which are vertically opposite to the two second clamping blocks (17) are formed in the upper end of the inner wall of the outer cylinder (2), a sliding block (20) is mounted in each second sliding groove (19), a first pull rope (21) is connected between each sliding block (20) and the upper end of the second clamping block (17) below the sliding block, a first rope hole (22) through which the first pull rope (21) can pass is formed in the inner wall of the outer cylinder (2), the outer wall of the inner cylinder (1) is provided with two vertical third sliding chutes (23) which are symmetrically arranged left and right, the lower ends of the third sliding chutes (23) are closed, and the inner ends of the sliding blocks (20) extend into the third sliding chutes (23) on the same side; when the outer cylinder (2) is popped up under the action of the first pressure spring (3), the lower end of the third sliding groove (23) pushes the sliding block (20) to move upwards so as to pull the second clamping block (17) to move upwards, and the second clamping block (17) is made to exit from the mounting hole (11).

3. The auxiliary rescue mechanical arm as claimed in claim 1, wherein serrated clamping grooves (24) are axially arranged on the lower side of each push rod (13), a third blind hole (25) is formed in the bottom of the inner wall of each mounting hole (11), a third clamping block (26) is mounted in the third blind hole (25), a fourth pressure spring (27) is mounted between the third clamping block (26) and the bottom of the third blind hole (25), the upper end of the third clamping block (26) extends into the clamping groove (24) under the action of the fourth pressure spring (27), the inner side of the upper end of the third clamping block (26) is a wedge surface, and the third clamping block (26) is matched with the clamping groove (24) to enable the push rod (13) to move only inwards; the lower extreme of every third fixture block (26) all is connected with a second stay cord (28), and open the bottom of blind hole has second rope hole (29), and second stay cord (28) are worn to urceolus (2) lower extreme through second rope hole (29), and the lower extreme of every second stay cord (28) all is connected with a pull ring (30), pulls down back through second stay cord (28) with third fixture block (26), and push rod (13) can freely slide in mounting hole (11).

4. The auxiliary rescue arm as claimed in claim 1, further comprising a second switch (31), wherein the second switch (31) is connected with the electromagnet (7) through a wire, the second switch (31) is fixed at a position where the lateral head on the shoulder of the rescuer can be pressed by the chin, and the current of the electromagnet (7) can be increased by pressing the second switch (31), so that the suction force of the electromagnet (7) to the first latch (6) is increased, and the first latch (6) is completely retracted into the first blind hole (5), so that the outer cylinder (2) can be separated from the inner cylinder (1).

5. An auxiliary rescue arm as claimed in claim 2, wherein a vertical slide bar (32) is fixed in each second chute (19), and the inner end of the slide block (20) is inserted on the slide bar (32).

6. An auxiliary rescue arm as claimed in claim 1, wherein the upper end of each clamp block (12) is attached with a rubber cushion (33).

7. An auxiliary rescue arm as claimed in claim 1, characterized in that a bell mouth (34) is mounted at the lower end of the outer cylinder (2).

8. The mechanical arm for assisting rescue according to claim 1, wherein a plurality of groups of the first sliding grooves (4) and the first clamping blocks (6) are evenly distributed on the circumference.