CN114534171A

CN114534171A - A buffer structure for lifting strength training equipment

Info

Publication number: CN114534171A
Application number: CN202210164935.8A
Authority: CN
Inventors: 路洪斌
Original assignee: Xuzhou Lino Health Technology Co ltd
Current assignee: Xuzhou Lino Health Technology Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-05-27
Anticipated expiration: 2042-02-23
Also published as: CN114534171B

Abstract

The invention discloses a buffer structure for lifting force training equipment, wherein an anti-falling pulling mechanism comprises a positioning roller, a pulling rope and a long spring plate, the inner side walls of the left and right ends of a portal frame are respectively and rotatably connected with a positioning roller mechanism, the outer surface of one end of the positioning roller is in sliding connection with the pulling rope, one end of the pulling rope is fixedly connected with the long spring plate, the left and right ends of the long spring plate are respectively and slidably connected with a power positioning rod, the lower end of the power positioning rod is fixedly connected with a groove shell, when the device is used after being debugged, the pulling rope is pulled to drive the long spring plate to slide upwards on the outer surface of the power positioning rod, and the long spring plate drives one end of a bending rod to rotate, so that the bending rod drives a slope positioning rod to slide in the groove shell, one end of the slope positioning rod is separated from the plane serrated plate, the groove shell can be driven to slide upwards and downwards in a hole positioning chute, and then the pulling rope drives the groove shell to move downwards, the pull rope must be pulled to slowly release the groove shell.

Description

A buffer structure for lifting strength training equipment

Technical Field

The invention relates to the field of training equipment, in particular to a buffer structure for lifting strength training equipment.

Background

Training equipment, the general term of various apparatus materials used in military training, includes two types, namely simple training equipment (convenient training equipment) and standard training equipment.

Present support power training ware when long-time use, the rope of dragging usually can produce wearing and tearing and fracture, can't be fixed with the balancing weight when the rope fracture keep in the position originally, the balancing weight that leads to dropping injures personnel around the equipment with pounding bad equipment or ground, and present support power training equipment when the balancing weight descends, generally for falling on equipment or subaerial, can't reduce through buffer structure and fall on ground and equipment, lead to the balancing weight to descend to pound easily produce vibrations at equipment or subaerial, easily make training personnel produce the discomfort.

Disclosure of Invention

For solving the above technical problem, provide one kind, this technical scheme has solved the current lifting strength training ware that proposes in the above-mentioned background art when long-time use, the rope that drags usually can produce wearing and tearing and fracture, can't fix the balancing weight and keep on original position when the rope fracture, the balancing weight that leads to dropping injures personnel around the equipment and injures equipment or ground by a crashing object, and current lifting strength training equipment is when the balancing weight descends, usually for falling on equipment or subaerial, can't reduce through buffer structure and fall on ground and equipment, lead to the balancing weight to descend to pound easily produce vibrations at equipment or subaerial, easily make training personnel produce uncomfortable problem.

In order to achieve the above purposes, the technical scheme adopted by the invention is as follows: the utility model provides a buffer structure for lifting strength training equipment, includes the portal frame, the portal frame rear end is provided with prevents falling to drag and draws the mechanism, it is provided with whereabouts buffering opening lever mechanism to prevent falling to drag the mechanism left end, it is provided with the training adjustment mechanism of sitting at a station to prevent falling to draw the mechanism lower extreme of pulling.

Preferably, the anti-falling pulling mechanism comprises a positioning roller, a pull rope, a long spring plate, a power positioning rod, a bending rod, a slope positioning rod and a plane serrated plate, the inner side walls of the left end and the right end of the portal frame are connected with the positioning roller mechanism in a rotating mode, the outer surface of one end of the positioning roller is connected with the pull rope in a sliding mode, one end of the pull rope is fixedly connected with the long spring plate, the left end and the right end of the long spring plate are connected with the power positioning rod in a sliding mode, the lower end of the power positioning rod is fixedly connected with the bending rod, the left end and the right end of the bending rod are connected with the inner side walls of the left end and the right end of the groove shell in a rotating mode, the lower end of the bending rod is connected with the slope positioning rod in a rotating mode, one end of the slope positioning rod is abutted to the middle end of the plane serrated plate, and the plane serrated plate is fixedly connected to the rear end of the portal frame.

Preferably, the lower end of the groove shell is welded with a balance weight plate, and the front end and the rear end of the plane serrated plate are fixedly connected with hole positioning sliding grooves.

Preferably, whereabouts buffering opening rod mechanism includes short screw rod, check baffle, bracing piece, power internal thread cover, telescopic link, commentaries on classics board, position circle, the equal fixedly connected with short screw rod in both ends about the weight plate, short screw rod upper end is rotated and is connected with check baffle, both ends are all rotated around the check baffle and are connected with the bracing piece, the bracing piece lower extreme is rotated and is connected with power internal thread cover, power internal thread cover lower extreme fixedly connected with telescopic link, telescopic link lower extreme fixedly connected with changes the board, changes the board lower extreme and all rotates and connect both ends about the weight plate, weight plate lower extreme fixedly connected with position circle.

Preferably, position circle lower extreme fixedly connected with spout shell, spout shell left end sliding connection has the slide bar, slide bar left end fixedly connected with drive cover, drive cover surface sliding connection in spout shell right-hand member, slide bar right-hand member sliding connection has rotatory spout, rotatory spout is seted up in the rotary column surface, rotary column one end fixed connection is terminal surface under the commentaries on classics board.

Preferably, the following components: the drive sleeve lower extreme is provided with hollow recipient, hollow recipient lower extreme fixedly connected with synchronization board, the equal fixedly connected with spring magnet pole in both ends about the synchronization board, spring magnet pole lower extreme surface sliding connection has location slide cartridge upper end internal surface, location slide cartridge lower extreme fixedly connected with circular telegram magnet, location slide cartridge upper end surface welding has the power thread bush, power thread bush threaded connection is in the portal frame lower extreme.

Preferably, stand and sit training adjustment mechanism include, power threaded rod, drive locating plate, first notch opening, second recess pole, first gear, second gear, counterweight plate left end fixedly connected with internal thread drive plate, internal thread drive plate left end threaded connection has the power threaded rod, power threaded rod lower extreme rotates and is connected with the drive locating plate, first notch opening has been seted up to drive locating plate lower extreme, first notch opening lower extreme is equipped with second recess pole, the first gear of second recess pole lower extreme fixedly connected with, the meshing of first gear left end has the second gear.

Preferably, the first leather wheel of second gear upper end fixedly connected with, first leather wheel is connected with the second leather wheel through belt transmission, second leather wheel upper end fixedly connected with drive threaded rod, both ends all rotate about the drive threaded rod and are connected with the mounting panel, the mounting panel left end is rotated and is connected with the protrusion slide bar, protrusion slide bar upper end surface sliding connection has the sliding sleeve, the sliding sleeve right-hand member rotates and is connected with the seat, the seat rear end rotates and is connected with the drive interior thread bush, drive interior thread bush threaded connection is in drive threaded rod upper end, both ends all rotate around the seat and are connected with crooked pull rod, and both ends are controlled in the mounting panel to crooked pull rod upper end all rotate.

Preferably, the lower end of the driving positioning plate is provided with a power sliding chute, the left end of the power sliding chute is connected with a sliding plate in a sliding manner, the middle end of the sliding plate is rotatably connected with a bidirectional protrusion butt-joint block, and the sliding plate is favorable for controlling the bidirectional protrusion butt-joint block to be connected with a power threaded rod to drive the first gear to rotate.

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

(1) the pull rope is pulled to drive the long spring plate to slide upwards on the outer surface of the power positioning rod, the long spring plate drives one end of the bent rod to rotate, the bent rod drives the slope positioning rod to slide in the groove shell, at the moment, one end of the slope positioning rod is separated from the abutting joint on the plane serrated plate, the groove shell can be driven to slide up and down in the hole positioning chute, when the groove shell is driven to move downwards through the pull rope, the pull rope must be pulled to slowly place the groove shell, if the long spring plate is quickly placed down, the bent rod is pulled after the long spring plate is pulled, the bent rod drives the slope positioning rod to abut against sawteeth arranged on the plane serrated plate, the groove shell cannot continuously move downwards, when the long sound of the pull rope is worn and broken, the long spring plate can also lose pulling force, the bent plate drives the slope positioning rod to abut against the plane serrated plate, and the purpose of protecting passing personnel at the rear end of the equipment is achieved, the situations of injury of personnel and damage of equipment are avoided;

(2) the groove shell is driven to descend downwards through the pull rope, the hollow extrusion cylinder is extruded to push the driving sleeve and the sliding rod to slide in the sliding groove shell, meanwhile, the sliding rod slides in the rotating sliding groove and drives the rotary column to rotate, the rotary column drives the telescopic rod to rotate and move through the rotary plate, the telescopic rod drives the power internal thread sleeve to rotate and move downwards outside the short screw rod and simultaneously drives the supporting rod to move downwards, the supporting rod drives two sides of the grid baffle plate to move downwards and be attached to the outer surface of the short screw rod, at the moment, the balancing weight with a hole formed in the middle end is sleeved on the outer surface of the short screw rod, the purpose of automatically opening a lock catch and adding the balancing weight is achieved, and the situation that the balancing weight is added through a relatively complex lock catch mechanism is avoided;

(3) when the groove shell drives the driving sleeve to be in butt joint with the hollow extrusion cylinder, the groove shell drives the spring magnet rod to slide in the positioning sliding cylinder through the synchronous plate, and the energized magnet and the spring magnet generate repulsive force in the downward sliding process, so that the condition that the groove shell provided with the balancing weight is convenient to descend and damages equipment or the opposite surface is facilitated.

Drawings

FIG. 1 is a schematic perspective view of a lifting force training device according to the present invention;

FIG. 2 is a schematic rear perspective view of the lifting strength training device of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of the lattice apron and the supporting rod of the present invention;

FIG. 4 is a schematic perspective view of the positioning slide cylinder and the energized magnet according to the present invention;

FIG. 5 is a schematic perspective view of the chute housing and the sliding rod of the present invention;

FIG. 6 is a perspective view of the driving sleeve of the present invention;

FIG. 7 is a schematic perspective view of a rotary chute and a rotary column according to the present invention;

FIG. 8 is a schematic bottom perspective view of the lifting strength training device of the present invention;

FIG. 9 is an enlarged view of a portion A of FIG. 8;

FIG. 10 is a schematic perspective view of a standing and sitting training adjusting mechanism of the present invention;

fig. 11 is a rear perspective view of the standing and sitting training adjusting mechanism of the present invention.

The reference numbers in the figures are: 1. a gantry; 2. a fall arrest pulling mechanism; 201. positioning the roller; 202. pulling a rope; 203. a spring long plate; 204. a power positioning rod; 205. a curved rod; 206. a slope positioning rod; 207. a planar serrated plate; 208. a recess housing; 209. a weight plate; 210. a hole positioning chute;

3. a drop buffering open-lever mechanism; 301. a short screw; 302. a grid baffle; 303. a support bar; 304. a power internal thread sleeve; 305. a telescopic rod; 306. rotating the plate; 307. positioning rings; 308. a chute housing; 309. a slide bar; 310. a drive sleeve; 311. rotating the chute; 312. turning the column; 313. a hollow extrusion cylinder; 314. a synchronization board; 315. a spring magnet rod; 316. positioning a sliding cylinder; 317. energizing a magnet; 318. a power thread bushing;

4. a standing and sitting training adjusting mechanism; 401. an internal thread drive plate; 402. a power threaded rod; 403. driving the positioning plate; 404. a first notch opening; 405. a second groove stem; 406. a first gear; 407. a second gear; 408. a first pulley; 409. a second pulley; 410. driving the threaded rod; 411. mounting a plate; 412. projecting the slide bar; 413. a sliding sleeve; 414. a seat plate; 415. driving the internal thread bush; 416. bending the pull rod; 417. a power chute; 418. a slide plate; 419. a bi-directional protruding butt-joint block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 2, a buffering structure for lifting strength training equipment comprises a portal frame 1, a fall-prevention pulling mechanism 2 is arranged at the rear end of the portal frame 1, a fall-prevention buffering opening rod mechanism 3 is arranged at the left end of the fall-prevention pulling mechanism 2, and a standing and sitting training adjusting mechanism 4 is arranged at the lower end of the fall-prevention pulling mechanism 2.

Preferably, the anti-falling pulling mechanism 2 comprises a positioning roller 201, a pulling rope 202, a long spring plate 203, a power positioning rod 204, a bending rod 205, a slope positioning rod 206 and a plane serrated plate 207, the inner side walls of the left and right ends of the portal frame 1 are rotatably connected with the positioning roller mechanism 201, the outer surface of one end of the positioning roller 201 is slidably connected with the pulling rope 202, one end of the pulling rope 202 is fixedly connected with the long spring plate 203, the left and right ends of the long spring plate 203 are slidably connected with the power positioning rod 204, the lower end of the power positioning rod 204 is fixedly connected with a groove shell 208, the lower end of the long spring plate 203 is rotatably connected with the bending rod 205, the left and right ends of the bending rod 205 are rotatably connected with the inner side walls of the left and right ends of the groove shell 208, the lower end of the bending rod 205 is rotatably connected with the slope positioning rod 206, one end of the slope positioning rod 206 is abutted against the middle end of the plane serrated plate 207, the plane serrated plate 207 is fixedly connected with the rear end of the portal frame 1, the lower end of the groove shell 208 is welded with a weight plate 209, the front and rear ends of the planar serrated plate 207 are fixedly connected with hole positioning chutes 210.

The working principle is as follows: when the device is used after being debugged, the pull rope 202 is pulled to drive the long spring plate 203 to slide upwards on the outer surface of the power positioning rod 204, the long spring plate 203 drives one end of the bent rod 205 to rotate, the bent rod 205 drives the slope positioning rod 206 to slide in the groove shell 208, at the moment, one end of the slope positioning rod 206 is separated from being abutted against the plane serrated plate 207, the groove shell 208 can be driven to slide up and down in the hole positioning chute 210, when the groove shell 208 is driven to move downwards by the pull rope 202, the pull rope 202 must be pulled to slowly place the groove shell 208, if the long spring plate 203 finishes pulling the bent rod 205 when being quickly placed down, the bent rod 205 can drive the slope positioning rod 206 to be abutted against the serrations arranged on the plane serrated plate 207, so that the groove shell 208 cannot continuously move downwards, when the pull rope 202 is used for a long time and is abraded and broken, the long spring plate 203 can also be pulled, the bent rod 205 drives the slope positioning rod 206 to abut against the plane serrated plate 207, so that the purpose of protecting passing personnel at the rear end of the equipment is achieved, and the situations that the personnel are injured by a crashing object and the equipment is damaged are avoided.

Example two

Referring to fig. 3, fig. 4, fig. 5, fig. 6 and fig. 7, the falling buffering open rod mechanism 3 includes a short screw 301, a grid baffle 302, a support rod 303, a power internal thread sleeve 304, an expansion rod 305, a rotating plate 306 and a positioning ring 307, the short screw 301 is fixedly connected to both left and right ends of the counterweight plate 209, the grid baffle 302 is rotatably connected to the upper end of the short screw 301, the support rod 303 is rotatably connected to both front and rear ends of the grid baffle 302, the lower end of the support rod 303 is rotatably connected to the power internal thread sleeve 304, the expansion rod 305 is fixedly connected to the lower end of the power internal thread sleeve 304, the rotating plate 306 is fixedly connected to the lower end of the expansion rod 305, the lower end of the rotating plate 306 is rotatably connected to both left and right ends of the counterweight plate 209, the positioning ring 307 is fixedly connected to the lower end of the counterweight plate 209, the chute housing 308 is fixedly connected to the lower end of the chute housing 308, the sliding rod 309 is slidably connected to the left end of the chute housing 308, the driving sleeve 310 is fixedly connected to the left end of the sliding rod 309, drive sleeve 310 surface sliding connection is in spout shell 308 right-hand member, slide bar 309 right-hand member sliding connection has rotatory spout 311, rotatory spout 311 is seted up in column 312 surface, column 312 one end fixed connection is terminal surface under rotor 306, drive sleeve 310 lower extreme is provided with hollow recipient 313, hollow recipient 313 lower extreme fixedly connected with synchronization board 314, the equal fixedly connected with spring magnet pole 315 in both ends about synchronization board 314, spring magnet pole 315 lower extreme surface sliding connection has location slide 316 upper end internal surface, location slide 316 lower extreme fixedly connected with circular telegram magnet 317, location slide 316 upper end surface welding has power thread bush 318, power thread bush 318 threaded connection is in portal frame 1 lower extreme.

The working principle is as follows: when the counterweight block needs to be added, the groove shell 208 is driven to descend downwards by the pull rope 202, the hollow extrusion cylinder 313 is extruded to push the driving sleeve 310 and the sliding rod 309 to slide in the sliding groove shell 308, the sliding rod 309 slides in the rotating sliding groove 311 and drives the rotary column 312 to rotate, the rotary column 312 drives the telescopic rod 305 to rotate and move through the rotary plate 306, the telescopic rod 305 drives the power internal thread sleeve 304 to rotate and move downwards outside the short screw 301 and drives the supporting rod 303 to move downwards, the supporting rod 303 drives two sides of the lattice baffle 302 to move downwards and be attached to the outer surface of the short screw 301, the counterweight block with a hole at the middle end is sleeved on the outer surface of the short screw 301 at the moment, the purposes of automatically opening the lock catch and adding the counterweight block are achieved, the situation that the counterweight block is added by using a complicated lock catch mechanism is avoided, the hollow extrusion cylinder 313 is butted with the driving sleeve 310 by the groove shell 208, the groove shell 208 drives the spring magnet rod 315 to slide in the positioning slide cylinder 316 through the synchronous plate 314, and the energized magnet 317 and the spring magnet rod 315 generate repulsive force in the downward sliding process, so that the condition that the groove shell 208 provided with the balancing weight falls down to damage equipment or the ground is facilitated.

EXAMPLE III

Referring to fig. 8, fig. 9, fig. 10 and fig. 11, the standing and sitting training adjusting mechanism 4 includes a power threaded rod 402, a driving positioning plate 403, a first notch 404, a second notch 405, a first gear 406, a second gear 407, a balance weight plate 209 fixedly connected to the left end of the internal thread driving plate 401, the power threaded rod 402 connected to the left end of the internal thread driving plate 401, the driving positioning plate 403 rotatably connected to the lower end of the power threaded rod 402, the first notch 404 formed on the lower end of the driving positioning plate 403, the second notch 405 formed on the lower end of the first notch 404, the first gear 406 fixedly connected to the lower end of the second notch 405, the second gear 407 engaged to the left end of the first gear 406, the first pulley 408 fixedly connected to the upper end of the second gear 407, the second pulley 408 connected to the first pulley 408 by a belt transmission, the driving threaded rod 410 fixedly connected to the upper end of the second pulley 409, the mounting plates 411 rotatably connected to both upper and lower ends of the driving threaded rod 410, the left end of mounting panel 411 rotates and is connected with protrusion slide bar 412, protrusion slide bar 412 upper end surface sliding connection has sliding sleeve 413, sliding sleeve 413 right-hand member rotates and is connected with seat 414, seat 414 rear end rotates and is connected with drive internal thread cover 415, drive internal thread cover 415 threaded connection is in drive threaded rod 410 upper end, both ends all rotate around seat 414 and are connected with crooked pull rod 416, crooked pull rod 416 upper end all rotates and connects both ends about mounting panel 411, drive locating plate 403 lower extreme is seted up there is power spout 417, power spout 417 left end sliding connection has slide 418, slide 418 middle-end rotates and is connected with two-way protrusion butt joint piece 419.

The working principle is as follows: when needing to sit down, the sliding plate 418 slides in the power sliding chute 417 and drives the two-way protrusion butt-joint block 419 to butt-joint in the first notch 404 and the second notch 405, at this time, the pulling rope 202 is pulled to drive the notch shell 208 to move upwards and drive the power threaded rod 402 to rotate through the internal thread driving plate 401, the power threaded rod 402 drives the two-way protrusion butt-joint block 419 to rotate through the first notch 404, the two-way protrusion butt-joint block 419 drives the second notch 405 to rotate, the second notch 405 drives the first gear 406 to rotate, the first gear 406 drives the second gear 407 to rotate, the second gear 407 drives the first pulley 408 to rotate, the first pulley 408 drives the second pulley 409 to rotate through the belt, the second pulley 409 drives the driving threaded rod 410 to rotate, the driving threaded rod 410 drives the driving internal thread sleeve 415 to move upwards, at this time, the left end of the seat plate 414 is driven to move upwards, and pulls the seat plate 414 to be changed into a horizontal and horizontal rotating state through the bending pull rod 416, so that the sitting exercise and lifting can be conveniently carried out through the seat plate 414, the folding state of the seat plate 414 can be adjusted while training is carried out, the condition that the seat is adjusted while training is stopped is avoided, and the waste of training time is reduced.

Example four

Referring to figures 2 to 3 and 4 and 5 to 6 and 7 and 8 and 9 and 10 and 11,

the working principle is as follows: when the counterweight block needs to be added before training, the groove shell 208 is driven to descend downwards by the pull rope 202, the hollow extrusion cylinder 313 is extruded to push the driving sleeve 310 and the sliding rod 309 to slide in the sliding groove shell 308, the sliding rod 309 slides in the rotating sliding groove 311 and drives the rotary column 312 to rotate, the rotary column 312 drives the telescopic rod 305 to rotate and move through the rotary plate 306, the telescopic rod 305 drives the power internal thread sleeve 304 to rotate and move downwards outside the short screw 301 and drives the support rod 303 to move downwards, the support rod 303 drives two sides of the lattice baffle 302 to move downwards and attach to the outer surface of the short screw 301, the counterweight block with a hole at the middle end is sleeved on the outer surface of the short screw 301 at the moment, the purposes of automatically opening the lock catch and adding the counterweight block are achieved, the situation that a complex lock catch mechanism is used for adding the counterweight block is avoided, when the groove shell 208 drives the driving sleeve 310 to abut against the hollow extrusion cylinder 313, the groove shell 208 drives the spring magnet rod 315 to slide in the positioning slide cylinder 316 through the synchronous plate 314, and the energized magnet 317 and the spring magnet rod 315 generate repulsive force in the downward sliding process, so that the condition that the groove shell 208 provided with the balancing weight falls down to damage equipment or the ground is facilitated.

When the sitting training posture needs to be changed, the sliding plate 418 slides in the power sliding chute 417, and drives the bidirectional protrusion butt-joint block 419 to butt-joint in the first notch 404 and the second notch 405, at this time, the pulling rope 202 is pulled to drive the notch shell 208 to move upwards, and the internal thread driving plate 401 drives the power threaded rod 402 to rotate, the power threaded rod 402 drives the bidirectional protrusion butt-joint block 419 to rotate through the first notch 404, the bidirectional protrusion butt-joint block 419 drives the second notch 405 to rotate, the second notch rod 405 drives the first gear 406 to rotate, the first gear 406 drives the second gear 407 to rotate, the second gear 407 drives the first pulley 408 to rotate, the first pulley 408 drives the second pulley 409 to rotate through the belt, the second pulley 409 drives the driving threaded rod 410 to rotate, the driving threaded rod 410 drives the driving internal thread sleeve 415 to move upwards, and at this time, the left end of the sitting plate 414 is driven to move upwards, and the seat plate 414 is pulled by the bending pull rod 416 to be converted into a horizontal and horizontal rotating state, so that the sitting exercise and lifting can be conveniently carried out through the seat plate 414, the folding state of the seat plate 414 can be adjusted while training is carried out, the condition that the seat is adjusted while the training is stopped is avoided, and the waste of training time is reduced.

When using after equipment debugging is accomplished, drive the long board 203 of spring and upwards slide at power locating lever 204 surface through dragging stay cord 202 to drive crooked pole 205 one end through long board 203 of spring and rotate, make crooked pole 205 drive slope locating lever 206 slide in groove shell 208, slope locating lever 206 one end breaks away from the butt on plane serration plate 207 this moment, alright slide from top to bottom in driving groove shell 208 in hole location spout 210.

When the stay cord 202 drives the groove shell 208 to move downwards again, the stay cord 202 must be pulled to slowly release the groove shell 208, if the groove shell is quickly released, the long spring plate 203 finishes pulling the bent rod 205, the bent rod 205 can drive the slope positioning rod 206 to abut against the sawteeth arranged on the plane serrated plate 207, so that the groove shell 208 cannot continue to move downwards, when the stay cord 202 is used for a long time to be worn and broken, the long spring plate 203 can lose pulling force, the bent rod 205 drives the slope positioning rod 206 to abut against the plane serrated plate 207, the purpose of protecting past personnel at the rear end of the equipment is achieved, and the situations that the personnel are injured by a crashing object and the equipment is damaged are avoided.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a buffer structure for lifting strength training equipment, includes portal frame (1), its characterized in that: portal frame (1) rear end is provided with prevents falling to drag and draws mechanism (2), prevent falling to draw and draw mechanism (2) left end to be provided with whereabouts buffering opening lever mechanism (3), prevent falling to draw and draw mechanism (2) lower extreme to be provided with and stand to sit training adjustment mechanism (4).

2. A cushioning structure for lifting a strength training device according to claim 1, wherein: the anti-falling pulling mechanism (2) comprises a positioning roller (201), a pull rope (202), a long spring plate (203), a power positioning rod (204), a bending rod (205), a slope positioning rod (206) and a plane sawtooth plate (207), wherein the inner side walls of the left end and the right end of the portal frame (1) are respectively and rotatably connected with the positioning roller mechanism (201), the outer surface of one end of the positioning roller (201) is slidably connected with the pull rope (202), one end of the pull rope (202) is fixedly connected with the long spring plate (203), the left end and the right end of the long spring plate (203) are respectively and rotatably connected with the power positioning rod (204), the lower end of the power positioning rod (204) is fixedly connected with a groove shell (208), the lower end of the long spring plate (203) is rotatably connected with the bending rod (205), the left end and the right end of the bending rod (205) are respectively and rotatably connected with the inner side walls of the left end and the right end of the groove shell (208), the lower end of the bending rod (205) is respectively and rotatably connected with the slope positioning rod (206), one end of the slope positioning rod (206) is abutted to the middle end of the plane serrated plate (207), and the plane serrated plate (207) is fixedly connected to the rear end of the portal frame (1).

3. A cushioning structure for lifting a strength training device according to claim 2, wherein: the lower end of the groove shell (208) is welded with a balance weight plate (209), and the front end and the rear end of the plane serrated plate (207) are fixedly connected with hole positioning sliding grooves (210).

4. A cushioning structure for lifting a strength training device according to claim 3, wherein: falling buffering opening rod mechanism (3) include short screw rod (301), check baffle (302), bracing piece (303), power internal thread cover (304), telescopic link (305), change board (306), position circle (307), the equal fixedly connected with short screw rod (301) in both ends is controlled to counterweight plate (209), short screw rod (301) upper end is rotated and is connected with check baffle (302), both ends are all rotated around check baffle (302) and are connected with bracing piece (303), bracing piece (303) lower extreme is rotated and is connected with power internal thread cover (304), power internal thread cover (304) lower extreme fixedly connected with telescopic link (305), telescopic link (305) lower extreme fixedly connected with changes board (306), changes board (306) lower extreme and all rotates and connect in both ends about counterweight plate (209), counterweight plate (209) lower extreme fixedly connected with position circle (307).

5. The cushioning structure for lifting a strength training device of claim 4, wherein: the utility model discloses a swivel post (312) surface, including position circle (307), spout shell (308) left end sliding connection has slide bar (309), slide bar (309) left end fixedly connected with drive cover (310), drive cover (310) surface sliding connection in spout shell (308) right-hand member, slide bar (309) right-hand member sliding connection has rotatory spout (311), rotatory spout (311) are seted up in swivel post (312) surface, terminal surface under swivel post (312) one end fixed connection in commentaries on classics board (306).

6. The cushioning structure for lifting a strength training device of claim 5, wherein: the utility model discloses a portal frame, including drive sleeve (310), hollow recipient (313), synchronous board (314) of hollow recipient (313) lower extreme fixedly connected with, synchronous board (314) are controlled both ends equal fixedly connected with spring magnet pole (315), and spring magnet pole (315) lower extreme surface sliding connection has location slide cartridge (316) upper end internal surface, location slide cartridge (316) lower extreme fixedly connected with circular telegram magnet (317), location slide cartridge (316) upper end surface welding has power thread bush (318), power thread bush (318) threaded connection is in portal frame (1) lower extreme.

7. A cushioning structure for lifting a strength training device according to claim 3, wherein: training adjustment mechanism (4) are sat in station include, power threaded rod (402), drive locating plate (403), first notch mouth (404), second recess pole (405), first gear (406), second gear (407), counterweight plate (209) left end fixedly connected with internal thread drive plate (401), internal thread drive plate (401) left end threaded connection has power threaded rod (402), power threaded rod (402) lower extreme rotates and is connected with drive locating plate (403), first notch mouth (404) have been seted up to drive locating plate (403) lower extreme, first notch mouth (404) lower extreme is equipped with second recess pole (405), second recess pole (405) lower extreme fixedly connected with first gear (406), first gear (406) left end meshing has second gear (407).

8. A cushioning structure for lifting a strength training device according to claim 7, wherein: the upper end of the second gear (407) is fixedly connected with a first pulley (408), the first pulley (408) is connected with a second pulley (409) through belt transmission, the upper end of the second leather wheel (409) is fixedly connected with a driving threaded rod (410), the upper end and the lower end of the driving threaded rod (410) are both rotatably connected with a mounting plate (411), the left end of the mounting plate (411) is rotatably connected with a projecting slide bar (412), the outer surface of the upper end of the projecting slide bar (412) is slidably connected with a sliding sleeve (413), the right end of the sliding sleeve (413) is rotatably connected with a seat plate (414), the rear end of the seat plate (414) is rotatably connected with a driving internal thread sleeve (415), the driving internal thread sleeve (415) is connected to the upper end of the driving threaded rod (410) in a threaded manner, both ends all rotate to be connected with crooked pull rod (416) around seat (414), and both ends about crooked pull rod (416) upper end all rotates to be connected in mounting panel (411).

9. A cushioning structure for lifting a strength training device according to claim 8, wherein: the power spout (417) has been seted up to drive locating plate (403) lower extreme, power spout (417) left end sliding connection has slide (418), slide (418) middle-end rotation is connected with two-way protruding butt joint piece (419).