阅读说明：本技术 一种户外探险用的降升器 (Lift ware that outdoor exploration was used ) 是由 杨凤侠 于 2021-07-03 设计创作，主要内容包括：本发明公开了一种户外探险用的降升器,包括机体盒、转轴、单向轴承、弹簧、驱动件、卷绳轮、缆绳、行星齿轮组、储能器、变速齿轮组、抓钩、系身器；本发明适用于先从高处下降到低处再从低处上升到高处,也适用于先从低处上升到高处再从高处下降到低处。本发明的升降完全受人控制,不会发生人体意外下降,安全可靠；储能器使人体上升时不会很吃力；缆绳外表面设有耐磨的外包层,有效增强缆绳安全性；抓钩上的钩爪可根据需要调整倾角,也可将钩爪完全收纳凹槽内,方便携带；系身器不仅安全可靠,而且将受力分布在身体各个部位,增强舒适度。(The invention discloses a lifting device for outdoor exploration, which comprises a machine body box, a rotating shaft, a one-way bearing, a spring, a driving piece, a rope winding wheel, a cable, a planetary gear set, an energy accumulator, a speed change gear set, a grapple and a body tying device, wherein the rotating shaft is arranged on the machine body box; the invention is suitable for descending from a high place to a low place and then ascending from the low place to the high place, and is also suitable for ascending from the low place to the high place and then descending from the high place to the low place. The lifting of the invention is completely controlled by people, the accidental falling of the human body can not occur, and the invention is safe and reliable; the energy storage device can not cause great effort when the human body rises; the outer surface of the mooring rope is provided with a wear-resistant outer coating, so that the safety of the mooring rope is effectively enhanced; the hook claw on the grapple can adjust the inclination angle according to the requirement, and can be completely accommodated in the groove, thereby being convenient for carrying; the body tying device is safe and reliable, stress is distributed on each part of the body, and comfort is enhanced.)

1. A lifting device for outdoor exploration is characterized in that: the lifter for outdoor exploration comprises a machine body box, a rotating shaft, a one-way bearing, a spring, a driving piece, a rope winding wheel, a cable, a planetary gear set, an energy accumulator, a speed change gear set, a grapple and a body tying device;

a placing cavity is formed in the machine body box, a through hole is formed in the upper side of the machine body box, a hanging ring is arranged outside the lower side of the machine body box, a handle is arranged outside the left side of the machine body box, and a rotatable hand crank is arranged outside the right side of the machine body box;

the rotating shaft is arranged in the machine body box accommodating cavity, and two ends of the rotating shaft are rotatably connected with the left side surface and the right side surface of the machine body box;

the one-way bearing can only rotate in the forward direction but not in the reverse direction, an inner ring of the one-way bearing is fixed on the left side surface of the accommodating cavity of the machine body box, and the one-way bearing is coaxial with the rotating shaft and can freely rotate relative to the rotating shaft;

the inner diameter of the spring is equal to the outer diameter of the one-way bearing, one end of the spring is bent outwards along the radial direction to form a first reducing hook, the other end of the spring is bent outwards along the radial direction to form a second reducing hook, the first reducing hook and the second reducing hook are spaced at a certain distance in the circumferential direction, the spring is sleeved on the periphery of the one-way bearing in a penetrating manner, when the first reducing hook is subjected to reverse rotating force, the inner diameter of the spring is increased, the spring can rotate on the periphery of the one-way bearing, and when the second reducing hook is subjected to reverse rotating force, the inner diameter of the spring is decreased, and the spring cannot rotate on the periphery of the one-way bearing;

the driving piece comprises a driving rod and a limiting rod, one end of the driving rod and one end of the limiting rod are respectively fixed on the rotating shaft, the other ends of the driving rod and the limiting rod are bent towards the spring direction, so that the first reducing hook and the second reducing hook of the spring are positioned between the two bends, when the rotating shaft rotates reversely, the bends of the driving rod are in blocking fit with the first reducing hook, so that the first reducing hook is subjected to reverse rotating force, the inner diameter of the spring is increased, and the spring can rotate on the periphery of the one-way bearing;

the rope winding wheel is sleeved on the rotating shaft in a penetrating mode, a stop lever extending to the spring is arranged on one side, close to the spring, of the rope winding wheel, when the rope winding wheel is subjected to reverse rotating force, the stop lever is in blocking fit with a second reducing hook of the spring, the second reducing hook is subjected to reverse rotating force, the inner diameter of the spring is reduced, and the spring cannot rotate on the periphery of the one-way bearing;

the mooring rope comprises a rope core and an outer coating, wherein the rope core is formed by spirally twisting a plurality of steel wires, the outer coating is formed by spraying polyurethane on the outer surface of the rope core, the mooring rope is wound on the rope winding wheel, one end of the mooring rope is fixed on the rope winding wheel, the other end of the mooring rope penetrates through a through hole in the upper side of the machine body box, and a grapple is arranged at the tail end of the mooring rope;

the planetary gear set comprises a sun gear, a planet carrier, a planet gear and an outer gear ring, wherein the sun gear is fixed on the rotating shaft, the planet carrier is fixed on the machine body box, the planet gear is rotationally connected to the planet carrier, the outer gear ring is fixed on a disc of the energy accumulator, the sun gear is meshed with the planet gear, and the planet gear is meshed with the outer gear ring;

the energy accumulator is sleeved on the rotating shaft in a penetrating mode and comprises a disc with a hole in the center, a hollow shaft, a coil spring and a shell, wherein an outer gear ring in the planetary gear set is fixed on one side of the disc, the hollow shaft is fixed at the center of the other side of the disc, the coil spring is wound on the hollow shaft, one end of the coil spring is fixed on the hollow shaft, the other end of the coil spring is fixed on the shell, and the shell is fixed on the machine body box and surrounds the coil spring;

the speed change gear set comprises a driving gear and a driven gear, the number of teeth of the driving gear is greater than that of the driven gear, the driving gear is in transmission connection with the hand crank, the driven gear is fixed on the rotating shaft, and the driving gear is meshed with the driven gear;

the grabbing hook comprises a cylinder, a plurality of hooks and a screw rod, wherein a nut is arranged at the top end of the cylinder, a connecting piece connected with a cable is arranged at the bottom end of the cylinder, a plurality of longitudinal grooves for accommodating the hooks are formed in the side body of the cylinder, the hooks are rotatably arranged in the grooves through pin shafts, the tail ends of the hooks are positioned in the cylinder, round holes are formed in the tail ends of the hooks, the round holes are movably connected with a ring, the ring is rotatably connected with the bottom end of the screw rod, the upper end of the screw rod is matched with the nut at the top end of the cylinder, the upper end of the screw rod extends out of the cylinder, a handle is arranged at the end point of the screw rod, the handle can be rotated left and right to drive the ring to move up and down, and the ring can drive the hooks to shrink or expand;

the body tying device comprises a waistband, two shoulder belts, two chest belts, two shoulder belts, two leg belts and a hook, wherein the shoulder belts and the chest belts are connected above the waistband, the shoulder belts are connected with the shoulder belts and the chest belts respectively, the leg belts are connected below the waistband respectively, the hook is connected on the waistband, the hook is matched with a hanging ring on the body box, and the waistband, the chest belts and the leg belts are respectively provided with a belt buckle capable of adjusting the length.

2. A riser for outdoor exploration, according to claim 1, characterized in that: and a wear-resistant ring is arranged in the through hole at the upper side of the machine body box.

3. A riser for outdoor exploration, according to claim 1, characterized in that: the upper side of the machine body box is provided with a buckle for clamping the grapple.

4. A riser for outdoor exploration, according to claim 1, characterized in that: the machine body box is provided with a shoulder spanning belt.

5. A riser for outdoor exploration, according to claim 1, characterized in that: the body tying device adopts a high-strength nylon woven belt.

6. A riser for outdoor exploration, according to claim 1, characterized in that: the hook is provided with a lock catch, the lock catch is rotatably arranged at the opening of the hook, and a torsional spring is arranged at the rotating position of the lock catch.

7. A riser for outdoor exploration, according to claim 1, characterized in that: the waistband is provided with a tool bag.

Technical Field

The invention belongs to the technical field of outdoor exploration supplies, and particularly relates to a lifting device for outdoor exploration.

Technical Field

In the outdoor exploration process, the situation is often met, the place needing exploration is positioned in the cliff, and exploration personnel cannot reach the cliff on foot, so that the method for solving the problems comprises the steps that the exploration personnel project a cable with a grapple below the cliff onto a cliff fixture and then climb up along the cable, the method is very limited in applicable height, the firmness of the grapple cannot be guaranteed, and the risk is high; there is also a method of reaching above the cliff to fasten the cable and descending the expedition personnel to the expedition place along the cable, which has a wide range of applicable heights and high safety. However, in any method, the expedition personnel need to pay large physical strength, especially the high cliff, and the physical strength of the expedition personnel cannot guarantee that the expedition personnel can successfully complete the task.

Disclosure of Invention

In order to solve the defects of the prior art, the invention provides a lifting device for outdoor exploration, which comprises a machine body box, a rotating shaft, a one-way bearing, a spring, a driving piece, a rope winding wheel, a cable, a planetary gear set, an energy accumulator, a speed change gear set, a grapple and a body tying device, wherein the rotating shaft is arranged on the machine body box;

a placing cavity is formed in the machine body box, a through hole is formed in the upper side of the machine body box, a hanging ring is arranged outside the lower side of the machine body box, a handle is arranged outside the left side of the machine body box, and a rotatable hand crank is arranged outside the right side of the machine body box;

the rotating shaft is arranged in the machine body box accommodating cavity, and two ends of the rotating shaft are rotatably connected with the left side surface and the right side surface of the machine body box;

the one-way bearing can only rotate in the forward direction but not in the reverse direction, an inner ring of the one-way bearing is fixed on the left side surface of the accommodating cavity of the machine body box, and the one-way bearing is coaxial with the rotating shaft and can freely rotate relative to the rotating shaft;

the inner diameter of the spring is equal to the outer diameter of the one-way bearing, one end of the spring is bent outwards along the radial direction to form a first reducing hook, the other end of the spring is bent outwards along the radial direction to form a second reducing hook, the first reducing hook and the second reducing hook are spaced at a certain distance in the circumferential direction, the spring is sleeved on the periphery of the one-way bearing in a penetrating manner, when the first reducing hook is subjected to reverse rotating force, the inner diameter of the spring is increased, the spring can rotate on the periphery of the one-way bearing, and when the second reducing hook is subjected to reverse rotating force, the inner diameter of the spring is decreased, and the spring cannot rotate on the periphery of the one-way bearing;

the driving piece comprises a driving rod and a limiting rod, one end of the driving rod and one end of the limiting rod are respectively fixed on the rotating shaft, the other ends of the driving rod and the limiting rod are bent towards the spring direction, so that the first reducing hook and the second reducing hook of the spring are positioned between the two bends, when the rotating shaft rotates reversely, the bends of the driving rod are in blocking fit with the first reducing hook, so that the first reducing hook is subjected to reverse rotating force, the inner diameter of the spring is increased, and the spring can rotate on the periphery of the one-way bearing;

the rope winding wheel is sleeved on the rotating shaft in a penetrating mode, a stop lever extending to the spring is arranged on one side, close to the spring, of the rope winding wheel, when the rope winding wheel is subjected to reverse rotating force, the stop lever is in blocking fit with a second reducing hook of the spring, the second reducing hook is subjected to reverse rotating force, the inner diameter of the spring is reduced, and the spring cannot rotate on the periphery of the one-way bearing;

the mooring rope comprises a rope core and an outer coating, wherein the rope core is formed by spirally twisting a plurality of steel wires, the outer coating is formed by spraying polyurethane on the outer surface of the rope core, the mooring rope is wound on the rope winding wheel, one end of the mooring rope is fixed on the rope winding wheel, the other end of the mooring rope penetrates through a through hole in the upper side of the machine body box, and a grapple is arranged at the tail end of the mooring rope;

the planetary gear set comprises a sun gear, a planet carrier, a planet gear and an outer gear ring, wherein the sun gear is fixed on the rotating shaft, the planet carrier is fixed on the machine body box, the planet gear is rotationally connected to the planet carrier, the outer gear ring is fixed on a disc of the energy accumulator, the sun gear is meshed with the planet gear, and the planet gear is meshed with the outer gear ring;

the energy accumulator is sleeved on the rotating shaft in a penetrating mode and comprises a disc with a hole in the center, a hollow shaft, a coil spring and a shell, wherein an outer gear ring in the planetary gear set is fixed on one side of the disc, the hollow shaft is fixed at the center of the other side of the disc, the coil spring is wound on the hollow shaft, one end of the coil spring is fixed on the hollow shaft, the other end of the coil spring is fixed on the shell, and the shell is fixed on the machine body box and surrounds the coil spring;

the speed change gear set comprises a driving gear and a driven gear, the number of teeth of the driving gear is greater than that of the driven gear, the driving gear is in transmission connection with the hand crank, the driven gear is fixed on the rotating shaft, and the driving gear is meshed with the driven gear;

the grabbing hook comprises a cylinder, a plurality of hooks and a screw rod, wherein a nut is arranged at the top end of the cylinder, a connecting piece connected with a cable is arranged at the bottom end of the cylinder, a plurality of longitudinal grooves for accommodating the hooks are formed in the side body of the cylinder, the hooks are rotatably arranged in the grooves through pin shafts, the tail ends of the hooks are positioned in the cylinder, round holes are formed in the tail ends of the hooks, the round holes are movably connected with a ring, the ring is rotatably connected with the bottom end of the screw rod, the upper end of the screw rod is matched with the nut at the top end of the cylinder, the upper end of the screw rod extends out of the cylinder, a handle is arranged at the end point of the screw rod, the handle can be rotated left and right to drive the ring to move up and down, and the ring can drive the hooks to shrink or expand;

the body tying device comprises a waistband, two shoulder belts, two chest belts, two shoulder belts, two leg belts and a hook, wherein the shoulder belts and the chest belts are connected above the waistband, the shoulder belts are connected with the shoulder belts and the chest belts respectively, the leg belts are connected below the waistband respectively, the hook is connected on the waistband, the hook is matched with a hanging ring on the body box, and the waistband, the chest belts and the leg belts are respectively provided with a belt buckle capable of adjusting the length.

Further, a wear-resistant ring is arranged in the through hole in the upper side of the machine body box.

Further, for conveniently accommodating the grapple, the upper side of the machine body box is provided with a buckle for clamping the grapple.

Furthermore, for convenient carrying, a shoulder straddle belt is arranged on the machine body box.

Further, the body tying device adopts a high-strength nylon woven belt.

Furthermore, a lock catch is arranged on the hook and rotatably arranged at the opening of the hook, and a torsional spring is arranged at the rotating position of the lock catch.

Furthermore, in order to conveniently carry tools, a tool bag is arranged on the waistband.

The invention is suitable for descending from a high place to a low place and then ascending from the low place to the high place, and is also suitable for ascending from the low place to the high place and then descending from the high place to the low place. The present invention is more applicable to the former.

When the hand-operated rope is firstly lowered from a high position to a low position, the grapple is fixed on a fixed object, the body tying device is sleeved, the hook is hung on the hanging ring, the hand grip is held by the left hand, the hand crank is rotated reversely by the right hand, the rope is gradually extended out of the machine box, the human body is gradually lowered, the hand crank is stopped to rotate, the rope is stopped to be extended out of the machine box, the human body cannot be lowered, and even if the hand loosens the hand crank, the rope cannot be extended out of the machine box. In the falling process of the human body, the hand crank is rotated reversely to be very easy under the action of the gravity of the human body, and the energy accumulator stores energy at the moment. When the person needs to rise from a low position to a high position, the hand crank is rotated in the positive direction, the cable is gradually collected into the machine box, and the person rises. In the process of lifting the human body, the energy accumulator releases energy, and the hand crank is not too hard to rotate in the forward direction because the energy accumulator provides partial power.

When the rope ascends to a high place from a low place, the hand crank is rotated reversely to pull the rope out of the body box gradually, the energy accumulator stores energy in the process, the grab hook is put on the high place to grab a high place to fix the high place firmly, the body tying device is sleeved, the hook is hung on the hanging ring, the hand grip is held by the left hand, the hand crank is rotated forwardly by the right hand, the rope is gradually collected into the body box, the human body ascends, the energy accumulator releases energy in the ascending process of the human body, and the hand crank cannot be forced to rotate forwardly due to the fact that the energy accumulator provides partial power. When the person needs to descend from a high position to a low position, the hand crank is rotated reversely, the cable gradually extends out of the machine box, and the person gradually descends.

The cable has a pulling force to the rope winding wheel, the pulling force of the cable makes the rope winding wheel have a reverse rotation trend, the rotation trend direction of the rope winding wheel is opposite to the rotation direction of the one-way bearing, meanwhile, the reverse rotation trend of the rope winding wheel makes the stop lever and the second reducing hook of the spring stop and cooperate, the second reducing hook is subjected to reverse rotation force, the inner diameter of the spring is reduced, and the spring does not rotate on the periphery of the one-way bearing; therefore, the tension of the cable does not cause the rope pulley to rotate, the tension of the cable does not cause the cable to extend out of the box body, and the possibility of accidental descending is avoided.

When the hand crank is rotated reversely, the rotating shaft rotates forwards, the rotating direction of the rotating shaft is the same as the rotating direction of the one-way bearing, the rope winding wheel rotates along with the rotation of the one-way bearing, the cable rope gradually extends out along with the rotation of the rope winding wheel, and the human body descends.

When the crank is rotated in the forward direction, the rotating shaft rotates in the reverse direction, the rotating shaft rotates in the direction opposite to the rotating direction of the one-way bearing, the one-way bearing does not rotate, the driving rod is bent to be matched with the first reducing hook in a blocking mode, the first reducing hook is rotated in the reverse direction, the inner diameter of the spring is increased, the spring can rotate on the periphery of the one-way bearing, the rope winding wheel is driven to rotate, the rope is wound in the machine body box, and a human body rises.

The invention has the beneficial effects that:the lifting and stopping of the human body are completely controlled by people, the accidental falling of the human body cannot occur, and the safety and the reliability are realized;the energy storage device stores the energy when the human body descendsWhen the human body rises, the energy is released, so that the human body does not take great effort when rising;when a human body descends, the planetary gear set increases acting force on the coil spring through speed reduction, so that the coil spring can store more energy without needing to be long;the outer surface of the mooring rope is provided with a wear-resistant outer coating, so that the safety of the mooring rope is effectively enhanced;the speed change gear set can accelerate the entrance and exit speed of the mooring rope and improve the working efficiency;the hook claw on the grapple can adjust the inclination angle according to the requirement, and can be completely accommodated in the groove, thereby being convenient for carrying;the body tying device is safe and reliable, stress is distributed on each part of the body, and comfort is enhanced.

Drawings

Fig. 1 is a schematic diagram of the appearance structure of the present invention.

Fig. 2 is an exploded view of the internal structure of the present invention.

FIG. 3 is a schematic view of the longitudinal section structure of the present invention.

Fig. 4 is an exploded view of the internal structure of the accumulator of the present invention.

Fig. 5 is a schematic view of the longitudinal section structure of the grapple of the present invention.

Fig. 6 is a schematic view of the structure of the body tying device of the present invention.

Fig. 7 is a schematic view of the hook structure of the present invention.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

A lifter for outdoor exploration comprises a machine body box 1, a rotating shaft 2, a one-way bearing 3, a spring 4, a driving piece 5, a rope winding wheel 6, a cable 7, a planetary gear set 8, an energy accumulator 9, a speed change gear set 10, a grapple 11 and a body tying device 12;

a placing cavity is formed in the machine body box 1, a through hole 13 is formed in the upper side of the machine body box 1, a hanging ring 14 is arranged outside the lower side of the machine body box 1, a hand grip 15 is arranged outside the left side of the machine body box 1, and a rotatable hand crank 16 is arranged outside the right side of the machine body box 1;

the rotating shaft 2 is arranged in the accommodating cavity of the machine body box 1, and two ends of the rotating shaft 2 are rotatably connected with the left side surface and the right side surface of the machine body box 1;

the unidirectional bearing 3 can only rotate in the forward direction but not in the reverse direction, the inner ring of the unidirectional bearing 3 is fixed on the left side surface of the accommodating cavity of the machine body box 1, and the unidirectional bearing 3 is coaxial with the rotating shaft 2 and can freely rotate relative to the rotating shaft 2;

the inner diameter of the spring 4 is equal to the outer diameter of the one-way bearing 3, one end of the spring 4 is bent outwards along the radial direction to form a first reducing hook 17, the other end of the spring 4 is bent outwards along the radial direction to form a second reducing hook 18, the first reducing hook 17 and the second reducing hook 18 are spaced at a certain distance in the circumferential direction, the spring 4 is sleeved on the periphery of the one-way bearing 3 in a penetrating manner, when the first reducing hook 17 is subjected to reverse rotating force, the inner diameter of the spring 4 is increased, the spring 4 can rotate on the periphery of the one-way bearing 3, and when the second reducing hook 18 is subjected to reverse rotating force, the inner diameter of the spring 4 is decreased, and the spring 4 cannot rotate on the periphery of the one-way bearing 3;

the driving piece 5 comprises a driving rod 19 and a limiting rod 20, one end of the driving rod 19 and one end of the limiting rod 20 are respectively fixed on the rotating shaft 2, and the other end of the driving rod 19 and the other end of the limiting rod 20 are bent towards the spring 4, so that the first reducing hook 17 and the second reducing hook 18 of the spring 4 are positioned between the two bends;

the rope winding wheel 6 is sleeved on the rotating shaft 2 in a penetrating mode, a stop lever 21 extending to the spring 4 is arranged on one side, close to the spring 4, of the rope winding wheel 6, when the rope winding wheel 6 is subjected to reverse rotating force, the stop lever 21 is in blocking fit with the second reducing hook 18 of the spring 4, the second reducing hook 18 is subjected to reverse rotating force, the inner diameter of the spring 4 is reduced, and the spring 4 cannot rotate on the periphery of the one-way bearing 3;

the mooring rope 7 comprises a rope core and an outer coating, wherein the rope core is formed by spirally twisting a plurality of steel wires, the outer coating is formed by spraying polyurethane on the outer surface of the rope core, the mooring rope 7 is wound on the rope winding wheel 6, one end of the mooring rope 7 is fixed on the rope winding wheel 6, the other end of the mooring rope 7 penetrates through a through hole 13 in the upper side of the machine body box 1, and a grapple 11 is arranged at the tail end of the mooring rope;

the planetary gear set 8 comprises a sun gear 22, a planet carrier 23, a planet gear 24 and an outer gear ring 25, wherein the sun gear 22 is fixed on the rotating shaft 2, the planet carrier 23 is fixed on the machine body box 1, the planet gear 24 is rotationally connected to the planet carrier 23, the outer gear ring 25 is fixed on a disc 26 of the energy storage device 9, the sun gear 22 is meshed with the planet gear 24, and the planet gear 24 is meshed with the outer gear ring 25;

the energy storage device 9 is sleeved on the rotating shaft 2 in a penetrating manner, the energy storage device 9 comprises a disc 26 with a hole in the center, a hollow shaft 27, a coil spring 28 and a shell 29, wherein an outer gear ring 25 in the planetary gear set 8 is fixed on one side of the disc 26, the hollow shaft 27 is fixed in the center of the other side of the disc 26, the coil spring 28 is wound on the hollow shaft 27, one end of the coil spring 28 is fixed on the hollow shaft 27, the other end of the coil spring 28 is fixed on the shell 29, and the shell 29 is fixed on the machine body box 1 and surrounds the coil spring 28;

the speed change gear set 10 comprises a driving gear 30 and a driven gear 31, the number of teeth of the driving gear 30 is greater than that of the driven gear 30, the driving gear 30 is in transmission connection with the hand crank 16, the driven gear 30 is fixed on the rotating shaft 2, and the driving gear 30 is meshed with the driven gear 31;

the grapple 11 comprises a cylinder 32, a plurality of hooks 33 and a screw rod 34, wherein a screw cap 35 is arranged at the top end of the cylinder 32, a connecting piece 36 connected with the cable 7 is arranged at the bottom end of the cylinder 32, a plurality of longitudinal grooves 37 for accommodating the hooks 33 are arranged on the side body of the cylinder 32, the plurality of hooks 33 are rotatably arranged on the grooves 37 through pin shafts, the tail ends of the plurality of hooks 33 are positioned in the cylinder 32, round holes are arranged at the tail ends of the plurality of hooks 33, the round holes are movably connected with a ring 38, the ring 38 is rotatably connected with the bottom end of the screw rod 34, the upper end of the screw rod 34 is matched with the screw cap 35 at the top end of the cylinder 32, the upper end of the screw rod 34 extends out of the cylinder 32 and is provided with a handle 39 at the end point of the screw rod, the handle 39 can be rotated left and right to drive the ring 38 to move up and down, and the ring 38 can be moved up and down to drive the plurality of hooks 33 to contract or expand;

the body tying device 12 comprises a waist belt 40, shoulder belts 41, a chest belt 42, shoulder belts 43, leg belts 44 and hooks 45, wherein the shoulder belts 41 and the chest belt 42 are connected above the waist belt 40, the shoulder belts 43 are two, the two shoulder belts 43 are respectively connected with the shoulder belts 41 and the chest belt 42, the leg belts 44 are two, the two leg belts 44 are respectively connected below the waist belt 40, the hooks 45 are connected on the waist belt 40, the hooks 40 are matched with the hanging rings 14 on the body box 1, and the waist belt 40, the chest belts 42 and the leg belts 44 are respectively provided with a buckle 46 capable of adjusting the length.

Further, the through hole 13 on the upper side of the machine body box 1 is provided with a wear-resistant ring (not marked in the figure).

Further, in order to conveniently store the grapple 11, a buckle (not shown) for clamping the grapple 11 is arranged on the upper side of the machine body box 1.

Furthermore, for convenience of carrying, a shoulder strap (not shown) is arranged on the body box 1.

Further, the body tying device 12 is made of a high-strength nylon woven tape.

Further, a lock catch 47 is arranged on the hook 45, the lock catch 47 is rotatably arranged at the opening of the hook 45, and a torsion spring 48 is arranged at the rotating position of the lock catch 47.

Furthermore, a tool bag (not shown) is provided on the belt 40 for carrying the tool.