CN110734014A

CN110734014A - safe lifting device for underground rescue

Info

Publication number: CN110734014A
Application number: CN201911068930.XA
Authority: CN
Inventors: 许卉婷
Original assignee: Individual
Current assignee: Lianyungang Weisheng New Energy Electric Vehicle Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-01-31
Anticipated expiration: 2039-11-05
Also published as: CN110734014B

Abstract

The invention discloses an safety lifting device for underground rescue, which comprises a lifting top seat, wherein a folding lifting support device is arranged on the lifting top seat, an automatic adjusting lifting support device is arranged on the folding lifting support device, and an emergency braking device is arranged on the folding lifting support device.

Description

safe lifting device for underground rescue

Technical Field

The invention relates to the field of rescue related equipment, in particular to underground rescue safety lifting devices.

Background

The underground rescue is influenced by the geographical environment, particularly for the rescue work with a small caliber of a wellhead, great construction difficulty is brought to rescuers and trapped persons, the rescue time is prolonged, and the survival risk of the trapped persons is greatly increased.

In patent CN201910043564.6- lifesaving device in the pit, this device creates simple structure, and reasonable in design, during the rescue, can be fast smooth transferring to in the well to can adjust the hoisting frame state according to operating condition, the flexibility ratio is big in on-the-spot rescue scheme arrangement, has effectively practiced thrift valuable rescue time, and the rescue process is smooth and easy, and the success rate is high.

But at rescue lifting process, because the promotion seat does not have strutting arrangement, lead to very easily lifting process in, promote the seat and can bump with the wall of a well, and the lifting speed then leads to personnel secondary injury easily at the excessive speed, the lifting speed then influences rescue time too slowly.

Disclosure of Invention

The invention aims to solve the problems, and designs underground rescue safety lifting devices which have the effect of safety lifting and solve the safety problem of the existing rescue lifting equipment during rescue.

The invention has the technical scheme that safety lifting devices for underground rescue comprise a lifting top seat, wherein a folding lifting support device is arranged on the lifting top seat, an automatic adjusting lifting seat device is arranged on the folding lifting support device, and an emergency braking device is arranged on the folding lifting support device;

the automatic adjusting type lifting seat device comprises a lifting seat, a hydraulic oil pipe is mounted in the center of the upper surface of the lifting seat, a hydraulic oil bag is mounted above the hydraulic oil pipe, a lifting seat cushion is mounted on the hydraulic oil bag, three support rods are arranged on the lower surface of the lifting seat, the three support rods are uniformly distributed on the lifting seat, a pulley seat is mounted at the end of each support rod , a pulley shaft is mounted on each pulley seat, pulleys are mounted on each pulley shaft, a hydraulic oil cylinder is arranged on the side of each support rod, the telescopic end of each hydraulic oil cylinder is fixedly connected with the corresponding support rod, a hydraulic oil branch pipe is mounted on each hydraulic oil cylinder, the hydraulic oil branch pipes are connected with the hydraulic oil pipe through a four-way joint, the hydraulic oil cylinders, the support rods and the lifting seat are connected through adjusting bearings, adjusting rotating shafts and adjusting seats, a spring fixing seat is mounted on the side of each hydraulic oil cylinder, a tension spring is mounted between each spring fixing seat and the corresponding support rod , an inverted L-;

the elastic adjusting device comprises a steel wire rope, wherein an adjusting pipe is sleeved on the steel wire rope, the adjusting pipe is fixedly connected with an inverted L-shaped frame, the upper end of the outer side surface of the adjusting pipe is movably connected with an upper annular seat, a three rotating groove is formed in the lower surface of the upper annular seat, the rotating groove is uniformly distributed on the upper annular seat, a rotating shaft is installed in the rotating groove, a rotating ring is sleeved on the rotating shaft, a second supporting rod is installed on the outer side surface of the rotating ring, pulleys identical to the supporting rod are arranged on the second supporting rod, a lower annular seat is installed at the lower end of the outer side surface of the adjusting pipe, a pull supporting rod is arranged between the lower annular seat and the second supporting rod, the pull supporting rod is connected with the lower annular seat and the second supporting rod through a movable seat, and a second extension spring is.

Foldable promotion support device includes promotion footstock lower surface movable mounting has three support frame, three support frame evenly distributed is on promoting the footstock, the support frame lower extreme is equipped with the activity ball seat, through activity ball swing joint between support frame and the activity ball seat, activity ball seat below is equipped with the support base, movable mounting has adjusting screw on the support base, adjusting screw and activity ball seat threaded connection, adjusting handle is installed to the adjusting screw upper end, it is equipped with annular fixing base to promote the footstock below, movable mounting has the connecting rod between annular fixing base and the three support frame, promote footstock top center department side-mounting and have the wire rope pulley, wire rope pulley and wire rope sliding connection.

The emergency braking device comprises connecting rods, wherein brake rods are movably arranged in the connecting rods, a brake handle is arranged on each brake rod, n-type sliding grooves are formed in the connecting rods and are in sliding connection with the n-type sliding grooves, the end of each brake rod is inserted into the annular fixed seat, and the end of each brake rod is provided with an arc-shaped extrusion plate.

The steel wire rope is positioned in the annular fixed seat.

The side of the upper surface of the lifting top seat is provided with a horizontal bubble.

The pulley is connected with the well wall in a sliding mode.

The steel wire rope is connected with an external winch.

Handles are arranged on two sides of the upper annular seat.

safety lifting devices for underground rescue manufactured by the technical scheme of the invention are as follows:

the safety lifting device can be quickly folded and unfolded through the matching of the lifting top seat, the supporting frame, the connecting rod and the annular fixing seat, so that the carrying of the device is facilitated, the occupied space of the device is saved, the levelness of the device is adjusted under the action of the horizontal bubble and the adjusting screw rod, the stability in the lifting process is ensured, and the safety of lifting personnel is effectively protected;

according to the safe lifting device, the second support rod and the pulley are pushed to be in contact with the well wall through the extension spring above the lifting seat, and meanwhile, the hydraulic oil cylinder is extended out through the weight of lifting personnel, so that the support rod below the lifting seat rotates, the pulley on the support rod is in contact with the well wall, the stability of the lifting seat is guaranteed, the lifting safety in the rescue process is guaranteed, the lifting speed can be guaranteed, and the rescue time is saved;

this safe hoisting device carries out manual braking through the effect of arc stripper plate to when guaranteeing that outside hoist engine damages, the promotion seat can not take place to drop, thereby guarantees the security of device.

Drawings

Fig. 1 is a schematic structural diagram of an safety lifting device for underground rescue according to the invention;

FIG. 2 is a schematic view of the automatically adjusting seat lift apparatus of the present invention;

FIG. 3 is a bottom view of the lift block of the present invention;

FIG. 4 is a schematic view of the emergency brake apparatus of the present invention;

in the drawing, 1, a lifting top seat, 2, a lifting seat, 3, a hydraulic oil pipe, 4, a hydraulic oil bag, 5, a lifting seat cushion, 6, a supporting rod , 7, a pulley seat, 8, a pulley shaft, 9, a pulley, 10, a hydraulic oil cylinder, 11, a hydraulic oil branch pipe, 12, a four-way joint, 13, an adjusting bearing, 14, an adjusting rotating shaft, 15, an adjusting seat, 16, a spring fixing seat, 17, an extension spring , 18, an inverted L-shaped frame, 19, a steel wire rope, 20, an adjusting pipe, 21, an upper annular seat, 22, a rotating groove, 23, a rotating shaft, 24, a rotating ring, 25, a supporting rod II, 26, a lower annular seat, 27, a pull rod, 28, a movable seat, 29, an extension spring II, 30, a supporting frame, 31, a movable ball seat, 32, a movable ball, 33, a supporting base, 34, an adjusting screw rod, 35, an adjusting handle, 36, an annular fixing seat, 37, a connecting rod, 38, 39, a braking handle, 40, an n-type sliding groove, 41, an arc-shaped ball seat, a steel wire rope, a.

Detailed Description

The invention is described in detail below with reference to the accompanying drawings, as shown in FIGS. 1-4, in this embodiment:

the invention is characterized in that the automatic adjusting type lifting seat device is structurally designed, and by combining the attached drawing 1, the attached drawing 2 and the attached drawing 3, the automatic adjusting type lifting seat device comprises a lifting seat 2, a hydraulic oil pipe 3 is installed at the center of the upper surface of the lifting seat 2, a hydraulic oil bag 4 is installed above the hydraulic oil pipe 3, a lifting seat cushion 5 is installed on the hydraulic oil bag 4, three support rods are arranged on the lower surface of the lifting seat, three support rods are uniformly distributed on the lifting seat 2, a pulley seat 7 is installed at the end of a support rod 06, a pulley shaft 8 is installed on the pulley seat 7, a pulley 9 is installed on the pulley shaft 8, a hydraulic oil cylinder 10 is arranged on the side of the support rod , the telescopic end of the hydraulic oil cylinder 10 is fixedly connected with a support rod 636, a hydraulic oil branch pipe 11 is installed on the hydraulic oil pipe 10 through a four-way joint 12, the hydraulic oil pipe 11 is connected with the hydraulic oil pipe 3 through an overadjusting bearing 13, an adjusting shaft 14 is arranged between the hydraulic oil pipe 10 and an adjusting seat 6315, the adjusting seat 10, a spring 16 is connected with an adjusting seat 19 through an adjusting seat 19, a spring seat 19, a lifting seat 19 is arranged between the upper surface of the lifting seat 6 and the lifting seat 21, the lifting seat 2, the lifting seat makes the lifting seat 21 and the lifting seat 21, the lifting seat do not collide with a lifting seat, the lifting seat 21, the lifting seat can reduce the lifting seat.

The invention is characterized in that the emergency braking device is structurally designed, and by combining the attached

drawings

1 and 4, the emergency braking device comprises connecting rods 37, brake rods 38 are movably mounted inside the connecting rods 37, brake handles 39 are mounted on the brake rods 38, n-type sliding grooves 40 are formed in the connecting rods 37, the brake handles 39 are in sliding connection with the n-type sliding grooves 40, ends of the brake rods 38 are inserted into annular fixing seats 36, arc-shaped extrusion plates 41 are mounted at ends of the brake rods 38, steel wire ropes 19 are extruded through the arc-shaped extrusion plates 41, so that workers outside a well can observe lifting conditions, and the steel wire ropes 19 can be effectively prevented from sliding downwards when accidents occur, and lifting personnel can fall.

In this device, combine figure 1, foldable lifting support device is through the swing joint who promotes footstock 1 and support frame 30, and cooperate the bracing of connecting rod 37 and annular fixing base 36, thereby make and promote footstock 1 and fold and fix, thereby made things convenient for carrying and depositing of device, adjust the distance between activity ball seat 31 and the support base 33 through adjusting screw 34 simultaneously, thereby quick adjusting device's equilibrium degree, make the device can adapt to various rescue circumstances, improve the application range of device.

The working principle of the device is as follows: when underground rescue is needed, workers carry the device to a wellhead manually at the moment, manually rotate the three support frames 30 to open the three support frames 30, pass the steel wire rope 19 through the annular fixed seat 36 and the lifting top seat 1, wind the steel wire rope 19 on the steel wire rope pulley 44, and connect the steel wire rope 19 with an external winch;

at the moment, the support frame 30 is fixedly pulled and braced through the action of the connecting rod 37 and the annular fixed seat 36, so that the lifting top seat 1 is fixed, at the moment, a worker observes the horizontal bubble 42 and drives the adjusting screw rod 34 to rotate through the adjusting handle 35, the distance between the movable ball seat 31 and the support base 33 is adjusted through threaded connection of the adjusting screw rod 34 and the movable ball seat 31, the support base 33 is in contact with the ground, the contact area with the ground is increased, and the support base 33 is effectively prevented from sinking;

through adjusting the distance between the movable ball seat 31 and the supporting base 33, the lifting top seat 1 is kept horizontal, so that the lifting top seat 1 and the annular fixed seat 36 are kept in a vertical state, at the moment, a worker lifts the upper annular seat 21 upwards through the handle 43, so that the second supporting rod 25 rotates downwards under the action of the pull supporting rod 27, the pulley 9 on the second supporting rod 25 is contracted, the lifting seat 2 enters a wellhead, meanwhile, the supporting rod 6 below the lifting seat 2 is contracted through the stretching of the stretching spring 17, the radius of the pulley 9 on the supporting rod 6 is reduced, and the lifting seat 2 can smoothly enter the well;

after the lifting seat 2 enters the well, the upper annular seat 21 starts to ascend through the elasticity of the tension spring 17, so that the pulley 9 on the second support rod 25 is in contact with the well wall and slides on the well wall;

at the moment, the hoisting machine releases the steel wire rope 19 to enable the hoisting seat 2 to start to descend, when the hoisting seat descends to a rescue position, rescue workers take the hoisting seat 2, the hydraulic oil bag 4 is extruded by the weight of the rescue workers, hydraulic oil on the hydraulic oil bag 4 enters the hydraulic oil branch pipe 11 through the hydraulic oil pipe 3 and the four-way joint 12 and then enters the hydraulic oil cylinder 10, so that the hydraulic oil cylinder 10 pushes the supporting rod 6 to rotate, the pulley 9 on the supporting rod 6 is in contact with the well wall, the hoisting seat 2 is fixed, and meanwhile, the hoisting seat 2 can move up and down through the sliding of the pulley 9;

at the moment, the steel wire rope 19 is wound up through the winch, the lifting seat 2 starts to ascend under the action of the steel wire rope pulley 44, the pulley 9 is in sliding connection with the well wall along with the ascending of the lifting seat 2, the stability of the lifting seat 2 is guaranteed, and meanwhile rescue workers are quickly lifted to a well head;

at the moment, the worker can pull up the rescue worker from the lifting seat, and after the rescue is finished, the steel wire rope 19 is taken down from the winch, then the steel wire rope 10 is taken down from the device, and the device is folded, so that the rescue work is finished;

in the rescue process, when the accident happens, the worker can manually adjust the position of the brake handle 39, so that the brake handle 39 slides to the other end from the end of the n-shaped sliding groove 40, the brake lever 38 slides in the connecting rod 37, and the brake lever 38 pushes the arc-shaped extrusion plate 41 to move, so that the steel wire rope 19 is fixed with the annular fixed seat 36 through the arc-shaped extrusion plate 41, the safety of the rescue worker is ensured, the rescue worker is prevented from falling due to the accident, and the rescue worker is damaged.

The technical solutions described above only represent the preferred technical solutions of the present invention, and modifications that may be made to some parts of the technical solutions by those skilled in the art all represent the principle of the present invention, and belong to the protection scope of the present invention.

Claims

The underground rescue safety lifting device comprises a lifting top seat (1), wherein a folding lifting support device is arranged on the lifting top seat (1), and is characterized in that an automatic adjusting type lifting seat device is arranged on the folding lifting support device, and an emergency braking device is arranged on the folding lifting support device;

the automatic adjustment type lifting seat device comprises a lifting seat (2), a hydraulic oil pipe (3) is installed at the center of the upper surface of the lifting seat (2), a hydraulic oil bag (4) is installed above the hydraulic oil pipe (3), a lifting seat cushion (5) is installed on the hydraulic oil bag (4), three support rods (6) are arranged on the lower surface of the lifting seat, three support rods (6) are uniformly distributed on the lifting seat (2), a pulley seat (7) is installed at the end of each support rod (6), a pulley shaft (8) is installed on each pulley seat (7), pulleys (9) are installed on each pulley shaft (8), a hydraulic oil cylinder (10) is arranged on the side of a support rod (6) , the telescopic end of each hydraulic oil cylinder (10) is fixedly connected with the support rod (6), a hydraulic oil branch pipe (11) is installed on each support rod (10), the hydraulic oil branch pipe (11) is connected with the hydraulic oil pipe (3) through a four-way joint (12), a spring hanger (16) is installed between each hydraulic oil cylinder (10) and the lifting seat (3) and a spring hanger (16) is installed on the rear side of the lifting seat (3), and a spring hanger (16) is installed on the lifting seat (3);

elasticity adjusting device includes the cover is equipped with adjusting tube (20) on wire rope (19), adjusting tube (20) and type of falling L frame (18) fixed connection, adjusting tube (20) outside surface upper end swing joint has last annular seat (21), it has three rotation groove (22) to go up to open on the lower surface of annular seat (21), it evenly distributes on last annular seat (21) to rotate groove (22), install axis of rotation (23) in rotation groove (22), the cover is equipped with swivel becket (24) on axis of rotation (23), swivel becket (24) outside installs on the surface bracing piece two (25), be equipped with on bracing piece two (25) pulley (9) the same with bracing piece (6), annular seat (26) down is installed to adjusting tube (20) outside surface lower extreme, be equipped with between annular seat (26) and the bracing piece two (25) down and draw vaulting pole (27), draw vaulting pole (27) and connect through annular seat (28) down between annular seat (26) and the bracing piece two (25), install between annular seat (26) and the annular spring (21) down.
2. The safe hoisting device for rescue in pit according to claim 1, wherein the foldable hoisting support device comprises three support frames (30) movably mounted on the lower surface of the hoisting footstock (1), the three support frames (30) are uniformly distributed on the hoisting footstock (1), a movable ball seat (31) is arranged at the lower end of each support frame (30), the support frames (30) are movably connected with the movable ball seat (31) through movable balls (32), a support base (33) is arranged below the movable ball seat (31), an adjusting screw (34) is movably mounted on the support base (33), the adjusting screw (34) is in threaded connection with the movable ball seat (31), an adjusting handle (35) is mounted at the upper end of the adjusting screw (34), an annular fixed seat (36) is arranged below the hoisting footstock (1), a connecting rod (37) is movably mounted between the annular fixed seat (36) and the three support frames (30), a steel wire rope pulley (44) is mounted at the side of the center above the hoisting footstock (1), and the steel wire rope pulley (44) is in sliding connection with the steel wire rope (19).
3. safety lifting device for rescue in pit according to claim 2, wherein the emergency braking device includes of the connecting rods (37) inside which a braking rod (38) is movably installed, the braking rod (38) is installed with a braking handle (39), the connecting rod (37) is opened with an n-type sliding groove (40), the braking handle (39) is connected with the n-type sliding groove (40) in a sliding way, the end of the braking rod (38) is inserted into the annular fixed seat (36), the end of the braking rod (38) is installed with an arc-shaped pressing plate (41).
4. safety lifting device for underground rescue according to claim 1, characterized in that the wire rope (19) is located in an annular fixed seat (36).
5. safety lifting device for rescue in pit according to claim 1, characterized in that the side of of the upper surface of the lifting top base (1) is installed with a horizontal bubble (42).
6. safety lifting device for rescue in well as claimed in claim 1, wherein the pulley (9) is connected with the wall of well in sliding way.
7. safety lifting device for underground rescue according to claim 1, wherein the wire rope (19) is connected with an external winch.
8. safety lifting device for underground rescue according to claim 1, wherein handles (43) are installed on both sides of the upper annular seat (21).