CN216764249U

CN216764249U - Lifting protector for closed system

Info

Publication number: CN216764249U
Application number: CN202220082975.3U
Authority: CN
Inventors: 孙东元; 吕军杰; 陈敬田; 杨波
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-06-17
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses a lifting protector for a closed system, and relates to the technical field of closed space construction equipment. The triangular closed-loop structure comprises a main rod and two auxiliary rods, wherein the main rod and the two auxiliary rods are identical in structure and respectively comprise an inner rod and an outer rod, the inner rod and the outer rod are connected together along the length direction in a length-adjustable manner, the main rod is hinged with the inner rods of the two auxiliary rods through a connector, and the outer rods of the main rod and the two auxiliary rods are connected end to end through positioning connection mechanisms respectively to form a triangular closed-loop structure; and a pulling and hanging mechanism is fixedly arranged on the outer rod of the main rod. The utility model can better adapt to uneven road surfaces, has stronger stability, high pulling speed and more convenient assembly, disassembly and transportation, is suitable for more effectively protecting the safety of workers in a pit or a closed space, and is convenient for wide application in a construction site.

Description

Closed system lifting protector

Technical Field

The utility model relates to the technical field of closed space construction equipment, in particular to a lifting protector for a closed system.

Background

At present, when construction is carried out in a well pit, workers generally tie safety ropes on the bodies of the workers to improve the safety, then put the workers into the well pit through other workers, and pull out underground workers through manual pulling when an accident occurs to avoid the danger existing in the construction process, however, the space of the well pit is small, the operation of multiple workers going into the well is inconvenient, the accident occurs when the operation of going into the well by a single person pulls the workers out through pulling, the underground workers cannot be safely evacuated from the well pit quickly, the safety of the underground workers is threatened, the smooth propulsion of the engineering progress is influenced, the existing hoisting and pulling tools pull the workers up through a manual winch, the problem that the pulling speed is slow exists even if the hoisting and pulling are better and lighter is caused, and the existing hoisting and pulling tools only carry out simple hinged connection through connecting joints, and the support legs of a hoisting and pulling tool support cannot be adjusted in multiple angles, and the length of stabilizer blade can not be adjusted, and the ability that adapts to uneven ground is relatively weak to when uneven ground, stability is relatively poor, can not more effectual assurance downhole worker's safety, simultaneously, some current hang drag equipment install and remove, carry the transportation when comparatively inconvenient, be unfavorable for the wide application of job site.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a closed system lifting protector to solve the problems that the existing lifting and pulling tool is weak in capacity of adapting to uneven ground, poor in stability and low in pulling speed, safety of underground workers cannot be guaranteed effectively, and mounting, dismounting, carrying and transporting are inconvenient.

In order to achieve the purpose, the utility model provides a closed system lifting protector which comprises a main rod and two auxiliary rods, wherein the main rod and the two auxiliary rods are of the same structure and respectively comprise an inner rod and an outer rod, the inner rod and the outer rod are connected together along the length direction in an adjustable manner, the inner rods of the main rod and the two auxiliary rods are hinged through a connector, and the outer rods of the main rod and the two auxiliary rods are respectively connected end to end through positioning connecting mechanisms to form a triangular closed loop structure; and a pulling and hanging mechanism is fixedly arranged on the outer rod of the main rod.

As a preferable scheme of the present invention, the contact end of the outer pole of the main pole and the ground is fixedly connected with a cross bar to form a T-shaped structure.

As another preferable aspect of the present invention, the connector includes: spacing pipe, joint portion, slidable mounting has two semi-axles and extension spring, two in the spacing pipe the inner tube tip of semi-axle and spacing pipe is the stair structure, extension spring fixed connection is at the stair structure end of two semi-axles, the fender ring is installed to the inner tube other end of spacing pipe, two be provided with on the semi-axle be used for with the first mounting hole that joint portion is connected.

As a preferable improvement of the present invention, the engaging portion includes: the sleeve is fixedly arranged on the two inner rods of the auxiliary rods, limiting holes penetrating through the sleeve body are formed in the sleeve, first sliding columns are arranged in the limiting holes and the sleeve in a sliding mode, and the first sliding columns penetrate through the two inner rods of the auxiliary rods and the second mounting holes in the inner rods.

As another preferable aspect of the present invention, the positioning connection mechanism includes a connection ring fixedly disposed on the main rod or the auxiliary rod, and a positioning rod having both ends fixed to the connection ring, and the connection ring includes: the ring body, first locating hole, articulate structure, first positioning bolt, be provided with on the ring body first locating hole the relative position in first locating hole just fixedly connected with on the ring body articulate the structure, articulate the structure with the locating lever articulates.

As another preferable aspect of the present invention, the positioning rod includes: the screwed pipe, two double-screw bolts, two are installed to the both ends screw thread of screwed pipe inside the double-screw bolt one end fixedly connected with couple that the screwed pipe was kept away from, the couple with the structure articulates.

As another preferable aspect of the present invention, a pulling and hanging mechanism is fixedly mounted on the outer pole of the main pole, and the pulling and hanging mechanism includes: the worm wheel of the power mechanism is fixedly mounted on the transmission shaft, the transmission shaft is rotatably mounted on the supporting seat, the supporting seat is fixedly mounted on the main rod, the other end of the transmission shaft is fixedly mounted with the winding roller, the winding roller is wound with the pulling lifting rope, the pulling lifting rope is in transmission connection with the guide structure, and the guide structure is fixedly mounted on the inner rod of the main rod.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the main rod and the auxiliary rod of the utility model adopt telescopic rod structures, and the inner rod is hinged through the connector, so that the main rod and the auxiliary rod can adjust the length while adjusting the three-dimensional multi-angle according to the needs, and the positions of the main rod and the two auxiliary rods are limited by matching the connecting ring and the positioning rod, so that the main rod and the auxiliary rod form a triangular bracket structure, the capability of the utility model for adapting to uneven road surfaces is further improved, and the stability of the utility model is stronger.

(2) In order to further improve the stability of the utility model, the bottom end of the main rod is also provided with a cross rod, and the cross rod avoids the problem that the main rod topples towards an uncertain direction when a worker uses the device.

(3) The utility model adopts the structure of the clamping part, when the auxiliary rod is arranged on the main rod, the auxiliary rod and the main rod can be connected by only sliding the first sliding column towards the direction of the compression spring and then placing the half shaft in the second mounting hole, and when the first sliding column is popped up, the first sliding column penetrates through the first mounting hole on the half shaft, so that the assembly, disassembly and transportation are convenient and quick.

(4) The positioning connecting mechanism adopts a connecting ring and positioning rod structure, the positioning rods are in threaded connection and can be adjusted in length, when the positioning rods are hung on the connecting ring, the length of the positioning rods is controlled by rotating the threaded pipes of the positioning rods, so that the positions of the main rod auxiliary rods are limited after the main rod auxiliary rods are adjusted to proper positions, the structure of the device is more stable, and when workers are pulled, the situation that the whole protector is deformed due to the change of the positions of the main rod auxiliary rods to influence rescue is prevented.

(5) The utility model adopts the pulling and hanging mechanism, the adopted power structure not only improves the transmission power, but also has higher pulling speed compared with manpower, the underground workers can be pulled out in time and labor is saved when an accident occurs, the safety of the underground constructors is effectively ensured, a guide structure is also arranged on the main rod in order to change the pulling direction of the pulling and hanging rope, the installation position of the servo motor is better and reasonable through the guide structure, the use of a user is better and more convenient, and the practicability of the device is improved.

In conclusion, the purposes of better adaptation to uneven road surfaces, stronger stability, high pulling speed and better and more convenient assembly, disassembly and transportation are achieved. The utility model is suitable for more effectively protecting the safety of workers in a well pit or a closed space and is convenient for wide application in a construction site.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connector and the snap-fit portion of the present invention;

FIG. 3 is a schematic view of the positioning rod and the connecting ring of the present invention;

FIG. 4 is a schematic view of the connector component, pulley and pulley carrier configuration of the present invention;

FIG. 5 is a schematic view of the construction of the components of the clamping portion of the present invention;

FIG. 6 is a schematic structural view of the pulling and hanging mechanism body of the present invention;

FIG. 7 is a schematic view of the overall structure of the main rod and the pulling and hanging mechanism of the present invention;

FIG. 8 is a detailed view of the construction of the pulley and pulley bracket of the present invention;

figure 9 is a detailed view of the structure of the attachment ring of the present invention.

In the figure: 1-main rod, 101-inner rod, 102-outer rod, 103-cross rod, 2-auxiliary rod, 201-second mounting hole, 3-positioning rod, 301-stud, 302-hook, 303-threaded pipe, 4-pulling and hanging mechanism, 401-pulley bracket, 402-pulley, 403-supporting seat, 404-winding roller, 405-servo motor, 406-motor bracket, 407-transmission shaft, 408-steel wire rope, 409-steel wire rope hole, 4010-big hook, 4011-worm, 4012-worm gear, 5-connector, 501-limiting pipe, 502-half shaft, 503-first mounting hole, 504-retaining ring, 6-clamping part, 601-sleeve, 602-limiting hole, 603-first sliding column, 604-second sliding column, 605-spring, 7-ring body, 701-first positioning hole, 702-first positioning bolt, 703-hanging structure and 8-second positioning bolt.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model, taken in conjunction with the accompanying drawings and detailed description, is set forth below. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.

An embodiment of the present invention is described below with reference to fig. 1 to 9.

The embodiment is shown in fig. 1 and fig. 3, and comprises three long rods with the same structure, namely a main rod 1 and two auxiliary rods 2, wherein a pulling and lifting mechanism for providing hooking force for downhole personnel is arranged on the main rod 1. In order to improve the capability of the present embodiment to adapt to uneven ground, the main rod 1 and the two auxiliary rods 2 adopt a telescopic rod structure, and are specifically divided into an inner rod 101 and an outer rod 102, the inner rod 102 is slidably mounted in the outer rod 102, in order to limit the length of the outer rod, second positioning holes are further formed in the outer rods 102 of the main rod 101 and the two auxiliary rods 2, a second positioning bolt 8 is mounted in each second positioning hole in a threaded manner, when the second positioning bolt 8 is screwed, the inner rod 101 of the main rod 1 can be tightly pushed by the second positioning bolt 8, so that the main rod 1 and the two auxiliary rods 2 are adjusted to adapt to the length of uneven ground, and the stability of the device is further improved.

In order to further improve the stability of the device, as shown in fig. 1 and fig. 3, the main rod 1 and the auxiliary rods 2 are fixedly connected with each other through a positioning connection mechanism, so that the main rod 1 and the two auxiliary rods 2 form a triangular stable structure. The positioning connection mechanism comprises a connection ring fixedly arranged on the outer rod 102 and a positioning rod 3 with two ends hooked on the connection ring.

The specific structural form of the connecting ring and the positioning rod 3 is as follows:

as shown in fig. 3 and 9, the connection ring includes: the ring body 7 is provided with a first positioning hole 701 on the ring body 7, a first positioning bolt 702 is installed in the first positioning hole 701 through internal threads, a hanging structure 703 is fixedly connected to the connecting ring at the relative position of the first positioning hole 701, and the hanging structure 703 is annular.

As shown in fig. 3, the positioning rod 3 includes: the double-screw bolt 301 is installed on two ends of the interior of the threaded pipe 303 in a threaded mode, a hook 302 is fixedly connected to one end, far away from the threaded pipe 303, of the double-screw bolt 301, and the hook 302 is hung on a hanging structure 703.

In order to further improve the stability of this device, still fixedly connected with horizontal pole 103 in the bottom of mobile jib 1, horizontal pole 103 is mutually perpendicular with mobile jib 1, and mobile jib 1 is located the intermediate position department of horizontal pole 103, constitutes T style of calligraphy structure, increases behind the horizontal pole 103, and horizontal pole 103 can restrict mobile jib 1 and prolong the axis direction swing of horizontal pole 103 to better control the direction of mobile jib 1 when making the user use. The practicability of the device is improved.

In order to make mobile jib 1, two vice poles 2 can carry out three-dimensional multi-angle adjustment, further improve the convenience of stability and installing and removing, this device is except adopting the structural style of telescopic link, and in this embodiment, mobile jib 1 and two vice poles 2 still articulate through connector 5, and joint portion 6 is installed on the interior pole 101 of vice pole 2, and connector 5 and joint portion 6 constitute the joint structure that has multi-angle regulatory function. The specific structural forms of the connector 5 and the clamping part 6 are as follows:

in the present embodiment, in order to facilitate the angle adjustment of the sub-lever 2, as shown in fig. 4, the connector 5 includes: the end part of the limiting tube 501 is of a stepped structure, half shafts 502 are arranged in the limiting tube 501 in a sliding mode, the half shafts 502 are stepped shafts, the stepped structure of the limiting tube 501 prevents the half shafts 502 from sliding to the outer end of the limiting tube 501, the number of the half shafts 502 is two, the half shafts 502 are respectively arranged at two end parts of the limiting tube 501, the small radius ends of the half shafts 502 are arranged at the outer end of the limiting tube 501, the large radius structures of the half shafts 502 are clamped in the limiting tube 501, tension springs (not shown in the drawing) are arranged in the limiting tube 501 and fixedly connected with the half shafts 502, the two half shafts 502 and the tension springs are placed in the limiting tube 501 and then packaged through retaining rings 504, so that the half shafts 502 and the tension springs are prevented from sliding out of the end, without steps, of the limiting tube 501, the tension springs of the connector 5 are in a contracted state in an initial state, when the two half shafts 502 are pulled to slide outwards of the limiting tube 501, the tension springs are lengthened, and the whole length of the connector 5 is lengthened, the half shaft 502 is provided with a first mounting hole 503, and the first mounting hole 503 is used for connecting with the clamping portion 6.

As shown in fig. 2 and 5, the clip portion 6 includes: a sleeve 601, a limiting hole 602 is arranged on the sleeve 601, the limiting hole 602 is long and penetrates through the body of the sleeve 601, a second sliding pillar 604 is slidably mounted in the limiting hole 602, the second sliding pillar 604 is fixedly connected to the cylindrical surface of the first sliding pillar 603, in this embodiment, the second sliding pillar 604 is perpendicular to the first sliding pillar 603, the second sliding pillar 604 penetrates through the first sliding pillar 603, the second sliding pillar 604 is structured to facilitate pulling the first sliding pillar 603, the first sliding pillar 603 is slidably mounted in the sleeve 601, one end of the first sliding pillar 603 near the bottom end of the sleeve 601 is fixedly connected with a spring 605, the spring 605 is mounted in the sleeve 601, the sleeve 601 is fixedly mounted on the inner rod 101 of the secondary rod 2, the first sliding pillar 603 penetrates through the inner rod 101 and the second mounting hole 201 of the secondary rod 2, and through the limiting function of the second sliding pillar 604, the first sliding pillar 603 can only slide a distance in the length direction of the limiting hole 602, when the first sliding pillar 603 penetrates through the first mounting hole 503, the main rod 1 and the auxiliary rod 2 are movably connected, and a pulling and hanging structure 4 is fixedly arranged at the lower end of the main rod 1 in order to improve the pulling speed of the device.

As shown in fig. 6, the pulling and hanging mechanism 4 in this embodiment includes: a power mechanism, the power mechanism comprising: servo motor 405, servo motor 405 fixed mounting is on motor support 406, motor support 406 fixed mounting is close the one end of horizontal pole 103 at the outer pole 101 of mobile jib 1, install worm 4011 on servo motor 405's the output shaft, worm 4011 and worm wheel 4012 transmission fit, worm wheel 4012 fixed mounting is in the one end of transmission shaft 407, transmission shaft 407 rotates to be installed on supporting seat 403, supporting seat 403 fixed mounting is on mobile jib 1, the other end fixed mounting of transmission shaft 407 has winding roller 404, be connected with on the winding roller 404 and draw the lifting rope, it includes to draw the lifting rope: wire rope 408, wire rope 408's terminal fixed mounting has big couple 4010, and wire rope 408 is close the one end transmission of big couple 4010 and is installed on guide structure, and guide structure includes: pulley support 401 and pulley 402, and be provided with wire rope hole 409 on the pulley 402 support, wire rope 408 passes wire rope hole 409 and cladding on pulley 402, pulley 402 and pulley support 401 rotate and connect, pulley support 401 fixed mounting is on interior pole 101 of mobile jib 1, when servo motor 405 rotates, servo motor 405's output shaft drives worm 4011 and rotates, worm 4011 drives worm wheel 4012 and rotates, worm wheel 4012 drives winding roller 404 through transmission shaft 407 and rotates, winding roller 404 wraps wire rope 408 and covers thereby drags wire rope 408 back and then rescues the staff, in this embodiment, adopt worm gear structure not only to control reasonable wire winding speed but also can prevent to adopt other structures not have self-locking function and lead to wire winding roller 404 to take place the gyration, thereby the danger of suing and labouring has been strengthened, cause the drawback of secondary injury to the rescued person.

The using method comprises the following steps:

when the device is used, the device is firstly assembled, the first sliding column 603 of the clamping part 6 is firstly shifted backwards through the second sliding column 604 during the assembly, so that the first sliding column 603 is positioned outside the second mounting hole 201, then the half shaft 502 structure of the connector 5 is placed into the second mounting hole 201 to loosen the second sliding column 604, the first sliding column 603 passes through the first mounting hole 503 on the half shaft 502, after the installation is finished, the first positioning bolt 702 is screwed to adjust the position of the connecting ring, then the length of the positioning rod 3 is adjusted by rotating the threaded pipe 303 of the positioning rod 3 and is hung on the hanging structure 703 of the connecting ring through the hook 302 of the positioning rod 3, then the device is placed at the designated position, and then the length of the main rod 1 and the auxiliary rod 2 is adjusted by adjusting the second positioning bolt 8, the position of the auxiliary rod 2 is finely adjusted by rotating the threaded pipe 303 of the positioning rod 3 to adapt to the requirement of uneven road surface, finally, the electric wire of the servo motor 405 is connected with a mobile power supply, a safety belt on the body of a worker is hung in the large hook 4010 of the steel wire rope 408 during construction, and the worker can be quickly pulled out by starting a switch of the servo motor 405 when an emergency situation occurs.

In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In the present invention, the terms "upper", "lower", "left", "right", "middle", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting.

Claims

1. The utility model provides a closed system lift protector which characterized in that: the triangular closed-loop structure comprises a main rod and two auxiliary rods, wherein the main rod and the two auxiliary rods are identical in structure and respectively comprise an inner rod and an outer rod, the inner rod and the outer rod are connected together along the length direction in a length-adjustable manner, the main rod is hinged with the inner rods of the two auxiliary rods through a connector, and the outer rods of the main rod and the two auxiliary rods are connected end to end through positioning connection mechanisms respectively to form a triangular closed-loop structure; and a pulling and hanging mechanism is fixedly arranged on the outer rod of the main rod.

2. The closed system lift protector of claim 1, wherein: the contact end of the outer rod of the main rod and the ground is fixedly connected with a cross rod to form a T-shaped structure.

3. The closed system lift protector of claim 1, wherein: the connector includes: spacing pipe, joint portion, slidable mounting has two semi-axles and extension spring, two in the spacing pipe the inner tube tip of semi-axle and spacing pipe is the stair structure, extension spring fixed connection is at the stair structure end of two semi-axles, the fender ring is installed to the inner tube other end of spacing pipe, two be provided with on the semi-axle be used for with the first mounting hole that joint portion is connected.

4. The closed system lift protector of claim 3, wherein: the clamping portion includes: the sleeve is fixedly arranged on the two inner rods of the auxiliary rods, limiting holes penetrating through the sleeve body are formed in the sleeve, first sliding columns are arranged in the limiting holes and the sleeve in a sliding mode, and the first sliding columns penetrate through the two inner rods of the auxiliary rods and the second mounting holes in the inner rods.

5. The closed system lift protector of claim 1, wherein: the location coupling mechanism is including setting firmly the go-between on mobile jib or the outer pole of vice pole to and both ends and the fixed locating lever of go-between, the go-between includes: the ring body, first locating hole, articulate structure, first positioning bolt, be provided with on the ring body first locating hole the relative position in first locating hole just fixedly connected with on the ring body articulate the structure, articulate the structure with the locating lever articulates.

6. The closed system lift protector of claim 5, wherein: the locating lever includes: the screwed pipe, two double-screw bolts are installed to the inside both ends screw thread of screwed pipe, two the one end fixedly connected with couple that the screwed pipe was kept away from to the double-screw bolt, the couple with articulate the structure and articulate.

7. The closed system hoist protector of any one of claims 1-6, wherein: the pulling and hanging mechanism comprises: the worm wheel of the power mechanism is fixedly mounted on the transmission shaft, the transmission shaft is rotatably mounted on the supporting seat, the supporting seat is fixedly mounted on the main rod, the other end of the transmission shaft is fixedly mounted with the winding roller, the winding roller is wound with the pulling lifting rope, the pulling lifting rope is in transmission connection with the guide structure, and the guide structure is fixedly mounted on the inner rod of the main rod.