CN113089761B

CN113089761B - Building civil engineering digger base with prevent function of inclining

Info

Publication number: CN113089761B
Application number: CN202110389516.XA
Authority: CN
Inventors: 李静; 李兰勇; 尤洪根
Original assignee: Hubei Luosheng Construction Engineering Co ltd
Current assignee: Hubei Luosheng Construction Engineering Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2022-11-11
Anticipated expiration: 2041-04-12
Also published as: CN113089761A

Abstract

The invention discloses a building civil engineering construction excavator base with an anti-inclination function, and relates to the technical field of building civil engineering. The device comprises a base, wherein a bearing mechanism is movably hinged to the middle of the upper end of the base, an inner cavity of the bearing mechanism is movably connected with a trigger mechanism, and an execution mechanism is slidably connected to the rear of the inner cavity trigger mechanism of the bearing mechanism. This building civil engineering digger base, when wholly taking place the slope through equipment, the guide pillar automatically drives the electric quantity that the contact changes the electromagnetism seat of both sides lets in under the action of gravity, make the bull stick drive the adjusting disk and deflect, the utilization can adjust the rotation of screw thread ratch at the pinion rack of activity on the sliding plate, make the plummer adjust into the level form by oneself, the pinion rack does not contact with the screw thread ratch when the cooperation guide pillar resets, do not take the screw thread ratch to reset promptly, the stability after the plummer is adjusted has been guaranteed, thereby the effectual construction digger base slope of having prevented has just guaranteed operation safety.

Description

Building civil engineering digs quick-witted base with prevent function of inclining

Technical Field

The invention relates to the technical field of building civil engineering, in particular to a building civil engineering construction excavator base with an anti-tilting function.

Background

At present, at the in-process of carrying out the building civil engineering construction, need set up the excavator base in the region that can bear certain pressure, supply the excavator that corresponds to carry out the construction operation in the safety range, nevertheless when the soil layer of base below the condition of stress transfer appears, can lead to the base to appear the slope of certain degree promptly, because the artifical unable in time observation of slope of minizone, and the base can't carry out balance adjustment again by oneself, the excavator above this moment can have the potential safety hazard if continue the operation promptly.

Aiming at the defects of the prior art, the invention provides the base of the building civil engineering construction excavator with the inclination prevention function, which has the advantages of effectively preventing the base of the construction excavator from inclining and ensuring the operation safety, and solves the problems that the base of the general building civil engineering construction excavator inclines to a certain degree due to land settlement in the construction process and the corresponding operation safety is influenced.

Disclosure of Invention

In order to effectively prevent the construction excavator base from inclining and ensure the operation safety, the invention provides the following technical scheme: the utility model provides a building civil engineering construction digs machine base with prevent function of inclining, includes the base, the upper end middle part activity of base articulates there is the mechanism of bearing, the inner chamber swing joint who bears the mechanism has trigger mechanism, the rear sliding connection who bears the mechanism's inner chamber trigger mechanism has actuating mechanism.

Preferably, bear the mechanism including rotating handle, plummer, rotation fluted disc, screw rod, branch, the upper end middle part swing joint of base has the rotation handle, the upper end fixedly connected with plummer of rotation handle, the inner chamber left and right sides of plummer all rotates and is connected with the rotation fluted disc, the inner chamber rear portion of plummer rotates and is connected with the screw rod that extends to on the rotation fluted disc, swing joint has branch between rotation fluted disc and the base.

Preferably, the threaded rack rod and the rotating fluted disc are connected in a meshing manner, so that when the threaded rack rod rotates in a certain direction, the rotating fluted discs on two sides can be synchronously driven to rotate in the same direction, one side of the bearing table descends and the other side of the bearing table ascends under the cooperation of the supporting rod, and the purpose of quickly achieving balance is achieved.

Preferably, the trigger mechanism comprises a movable groove, a positioning frame, a variable resistance frame, a guide pillar, a butt spring, an electromagnetic seat, a rotating rod, a limiting spring, a magnetic block, an adjusting disc, a gas collecting groove, a piston and a reset spring, wherein the bottom of an inner cavity of the movable groove is fixedly connected with the symmetrical positioning frames, the variable resistance frame is fixedly connected between the positioning frames of the inner cavity of the movable groove, the guide pillar extending to the positioning frame is connected with the inner cavity of the variable resistance frame in a sliding manner, the butt spring is fixedly connected between the guide pillar and the positioning frames, the electromagnetic seat is fixedly connected above the positioning frame at the bottom of the inner cavity of the movable groove, the rotating rod is rotatably connected to the upper part of the inner cavity of the movable groove, the limiting spring is fixedly connected between the rotating rod and the inner wall of the movable groove, the magnetic block is fixedly connected to the left end and the right end of the rotating rod, the adjusting disc is fixedly connected to the rear end of the rotating rod, the gas collecting groove is symmetrically formed in the upper part of the inner cavity of the movable groove, the piston is connected to the piston in a sliding manner, and the upper wall of the inner cavity of the gas collecting groove is fixedly connected with the reset spring.

Preferably, the inner cavity of the rotating handle is provided with a movable groove, the middle surface of the guide pillar is fixedly connected with a contact extending to the side wall of the variable resistance frame, the contact is positioned in the middle of the connection of the variable resistance frame in an initial state to ensure that the currents introduced into the electromagnetic seats on two sides are the same, the magnetic poles of the surfaces adjacent to the magnetic blocks on one side are the same after the electromagnetic seats are electrified and mutually repel each other, the surface of the adjusting disc is provided with an arc-shaped groove, and the front end of the bottom of the sliding plate is movably connected with a guide pin extending to the arc-shaped groove.

Preferably, the actuating mechanism comprises a sliding plate, a toothed plate, a flow guide pipe, a shaft rod, a turbofan, a sliding rod, a telescopic rod and a hinge rod, the front end of the sliding plate is slidably connected with the toothed plate, the rear end of the sliding plate is fixedly connected with the flow guide pipe, the inner cavity of the flow guide pipe is rotatably connected with the shaft rod extending onto the sliding plate, the rear end of the shaft rod is fixedly connected with the turbofan, the front end of the shaft rod is slidably connected with the sliding rod extending onto the toothed plate, the left side and the right side of the sliding rod are respectively fixedly connected with the telescopic rod, and the hinge rod is movably connected between the telescopic rod and the sliding rod.

Preferably, the rear of the inner cavity adjusting disk of the movable groove is slidably connected with a sliding plate, the front end of the shaft rod is provided with a sliding groove matched with the sliding rod, so that the shaft rod drives the sliding rod to move in the front-rear direction, the sliding rod can simultaneously drive the telescopic rod and the hinged rod to move in the front-rear direction, the sliding rod is movably connected with the toothed plate, the guide pipe is communicated with the gas collecting groove, the upper wall of the gas collecting groove is provided with a pressurizing hole corresponding to the guide pipe, and the gas can impact the turbofan at a high speed from the gas collecting groove to enable the shaft rod to rotate.

Compared with the prior art, the invention provides a building civil engineering construction excavator base with an anti-tilting function, which has the following beneficial effects:

1. this building civil engineering construction excavator base with prevent function of inclining, when leading to the plummer slope through the ground subsidence, the guide pillar can receive the action of gravity to one side pressure butt spring removal of slope promptly, and drive the current volume that lets in the contact changes the both sides electromagnetism seat, make the magnetic block at bull stick both ends under the influence of different magnetic forces, and drive the bull stick towards the direction deflection opposite with the slope, synchronous drive adjustment disk makes the sliding plate remove along corresponding vertical direction, adjust the rotating fluted disc of both sides, make the plummer resume horizontality fast, thereby effectually prevented that the construction excavator base from inclining and guaranteed the operation safety.

2. This building civil engineering digger base with prevent function of inclining, when driving the bull stick through the magnetism piece and deflecting, extrude the piston of slope one side, make the air in the gas collecting channel inner chamber discharge to the honeycomb duct in from the less pressure boost hole of internal diameter, and then strike the turbofan fast and make the axostylus axostyle drive the slide bar and rotate, the telescopic link receives the extension of centrifugal force effect, and drive the slide bar through the hinge bar and make the pinion rack antedisplacement and screw thread ratch meshing, and then make the plummer adjusted to the level, synchronous this moment contact resets, the bull stick resets under spacing spring's effect, the piston is because the existence of pressure boost hole when the inner chamber of gas collecting channel resets, the air that the burden inhaled external world is limited, and the air that flows back can't drive the turbofan rotation, and then make the pinion rack reset break away from with the screw thread ratch, the condition that resets has avoided the plummer after adjusting, thereby the effectual stability that promotes the equipment use.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is a front sectional view of a connecting portion of a movable groove or the like of the present invention;

FIG. 3 is a top sectional view of a coupling portion of a slide plate or the like according to the present invention;

fig. 4 is a front sectional view of a connection portion such as a variable resistor frame according to the present invention.

In the figure: 1. a base; 2. a carrying mechanism; 201. rotating the handle; 202. a bearing table; 203. rotating the fluted disc; 204. a threaded rack bar; 205. a strut; 3. a trigger mechanism; 301. a movable groove; 302. a positioning frame; 303. a variable resistance frame; 304. a guide post; 305. an abutment spring; 306. an electromagnetic base; 307. a rotating rod; 308. a limiting spring; 309. a magnetic block; 310. an adjusting disk; 311. a gas collecting tank; 312. a piston; 313. a return spring; 4. an actuator; 401. a sliding plate; 402. a toothed plate; 403. a flow guide pipe; 404. a shaft lever; 405. a turbofan; 406. a slide bar; 407. a telescopic rod; 408. a hinged lever.

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 obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, 2 and 4, a base of a building civil engineering construction excavator with an anti-tilt function comprises a base 1, a bearing mechanism 2 is movably hinged at the middle part of the upper end of the base 1, a triggering mechanism 3 is movably connected with the inner cavity of the bearing mechanism 2, an executing mechanism 4 is slidably connected with the rear part of the triggering mechanism 3 of the inner cavity of the bearing mechanism 2, the bearing mechanism 2 comprises a rotating handle 201, a bearing platform 202, a rotating fluted disc 203, a threaded fluted rod 204 and a supporting rod 205, the middle part of the upper end of the base 1 is movably connected with the rotating handle 201, a movable groove 301 is formed in the inner cavity of the rotating handle 201, a sliding plate 401 is slidably connected with the rear part of an inner cavity adjusting disc 310 of the movable groove 301, the bearing platform 202 is fixedly connected with the upper end of the rotating handle 201, the rotating fluted disc 203 is rotatably connected with the left and right sides of the inner cavity of the bearing platform 202, the threaded fluted rod 204 extending to the rotating fluted disc 203 is rotatably connected with the rear part of the inner cavity of the bearing platform 202, the threaded toothed bar 204 and the rotating toothed disc 203 are engaged and connected, so that when the threaded toothed bar 204 rotates in a certain direction, the threaded toothed bar 204 can synchronously drive the rotating toothed discs 203 on two sides to rotate in the same direction, and one side of the bearing table 202 descends and the other side ascends under the cooperation of the supporting rod 205, so as to quickly achieve the purpose of balancing, a toothed ring is fixedly sleeved at the middle part of the threaded toothed bar 204, the supporting rod 205 is movably connected between the rotating toothed disc 203 and the base 1, the trigger mechanism 3 comprises a movable groove 301, a positioning frame 302, a variable resistance frame 303, a guide pillar 304, an abutting spring 305, an electromagnetic seat 306, a rotating rod 307, a limiting spring 308, a magnetic block 309, an adjusting disc 310, a gas collecting groove 311, a piston 312 and a reset spring 313, the bottom of an inner cavity of the movable groove 301 is fixedly connected with the symmetrical positioning frames 302, and the variable resistance frames 303 are fixedly connected between the positioning frames 302 of the inner cavity of the movable groove 301, the inner cavity of the variable resistance frame 303 is slidably connected with a guide post 304 extending to the positioning frame 302, the middle surface of the guide post 304 is fixedly connected with a contact extending to the side wall of the variable resistance frame 303, in an initial state, the contact is positioned in the middle of the connection of the variable resistance frame 303 to ensure that the currents introduced into the electromagnetic seats 306 on the two sides are the same, an abutting spring 305 is fixedly connected between the guide post 304 and the positioning frame 302, the electromagnetic seat 306 is fixedly connected above the positioning frame 302 at the bottom of the inner cavity of the movable groove 301, the electromagnetic seat 306 is electrified and then has the same magnetic pole as the adjacent face of the corresponding magnetic block 309 on one side, the two are mutually exclusive, the upper part of the inner cavity of the movable groove 301 is rotatably connected with a rotating rod 307, a limit spring 308 is fixedly connected between the rotating rod 307 and the inner wall of the movable groove 301, the left end and the right end of the rotating rod 307 are fixedly connected with magnetic blocks 309, the rear end of the rotating rod 307 is fixedly connected with an adjusting disc 310, the surface of the adjusting disc 310 is provided with an arc-shaped groove, the front end of the bottom of the sliding plate 401 is movably connected with a guide pin extending to the arc-shaped groove, the inner cavity 311 of the movable groove 301, the air collecting groove is slidably connected with a return spring 311, the air collecting groove 312, and a return spring 311.

Example two:

referring to fig. 2 and 3, a base of a building civil engineering construction excavator with an anti-tilt function comprises a base 1, a bearing mechanism 2 is movably hinged at the middle part of the upper end of the base 1, a triggering mechanism 3 is movably connected to the inner cavity of the bearing mechanism 2, an executing mechanism 4 is slidably connected to the rear part of the triggering mechanism 3 of the inner cavity of the bearing mechanism 2, the executing mechanism 4 comprises a sliding plate 401, a toothed plate 402, a flow guide pipe 403, a shaft lever 404, a turbofan 405, a sliding rod 406, a telescopic rod 407 and a hinge rod 408, the front end of the sliding plate 401 is slidably connected with the toothed plate 402, the rear end of the sliding plate 401 is fixedly connected with the flow guide pipe 403, the flow guide pipe 403 is communicated with a gas collecting tank 311, and the upper wall of the gas collecting tank 311 is provided with a pressurizing hole corresponding to the flow guide pipe, so that can make axostylus axostyle 404 rotatory with faster speed impact turbofan 405 from the gas gathering tank 311 by the combustion gas, the inner chamber of honeycomb duct 403 rotates and is connected with axostylus axostyle 404 that extends to on the sliding plate 401, the spout with slide bar 406 adaptation is seted up to the front end of axostylus axostyle 404, thereby make axostylus axostyle 404 drive slide bar 406 during rotating, slide bar 406 can drive telescopic link 407 and hinged rod 408 simultaneously and carry out the removal of fore-and-aft direction, the rear end fixedly connected with turbofan 405 of axostylus axostyle 404, the front end sliding connection of axostylus axostyle 404 has the slide bar 406 that extends to on the pinion rack 402, swing joint between slide bar 406 and the pinion rack 402, the equal fixedly connected with telescopic link 407 in both sides of slide bar 406, swing joint has hinged rod 408 between telescopic link 407 and the slide bar 406.

Example three:

referring to fig. 1-4, a base of a building civil engineering construction excavator with an anti-tilt function includes a base 1, a bearing mechanism 2 is movably hinged to the middle of the upper end of the base 1, the bearing mechanism 2 includes a rotating handle 201, a bearing platform 202, a rotating toothed disc 203, a threaded toothed bar 204, and a supporting rod 205, the rotating handle 201 is movably connected to the middle of the upper end of the base 1, a movable groove 301 is formed in an inner cavity of the rotating handle 201, a sliding plate 401 is slidably connected to the rear of an inner cavity adjusting plate 310 of the movable groove 301, the bearing platform 202 is fixedly connected to the upper end of the rotating handle 201, the rotating toothed disc 203 is rotatably connected to both left and right sides of the inner cavity of the bearing platform 202, the threaded toothed bar 204 extending to the rotating toothed disc 203 is rotatably connected to the rear portion of the inner cavity of the bearing platform 202, the threaded toothed bar 204 and the rotating toothed disc 203 are engaged with each other, so that when the threaded toothed bar 204 rotates in a certain direction, the rotating toothed bar 203 can synchronously drive the rotating in the same direction, and under the cooperation of the supporting rod 205, one side of the bearing platform 202 descends and the other side ascends to rapidly achieve the purpose of balance, the middle of the base 1 is sleeved with the fixed toothed bar 204, and the movable toothed ring 203 and the supporting rod 205 is connected to the supporting rod 205.

The inner cavity of the bearing mechanism 2 is movably connected with a trigger mechanism 3, the trigger mechanism 3 comprises a movable groove 301, a positioning frame 302, a variable resistance frame 303, guide pillars 304, an abutting spring 305, an electromagnetic seat 306, a rotating rod 307, a limiting spring 308, a magnetic block 309, an adjusting disc 310, a gas collecting groove 311, a piston 312 and a return spring 313, the bottom of the inner cavity of the movable groove 301 is fixedly connected with the symmetrical positioning frames 302, the variable resistance frame 303 is fixedly connected between the positioning frames 302 in the inner cavity of the movable groove 301, the guide pillars 304 extending to the positioning frames 302 are slidably connected with the inner cavity of the variable resistance frame 303, the surface of the middle part of each guide pillar 304 is fixedly connected with a contact extending to the side wall of the variable resistance frame 303, the contact is positioned in the middle connecting part of the variable resistance frame 303 in an initial state to ensure that the currents introduced into the electromagnetic seats 306 on two sides are the same, the abutting spring 305 is fixedly connected between the guide pillars 304 and the positioning frames 302, an electromagnetic seat 306 is fixedly connected above a positioning frame 302 at the bottom of an inner cavity of the movable groove 301, the electromagnetic seat 306 has the same magnetic pole with the surface adjacent to the magnetic block 309 on the corresponding side after being electrified, the electromagnetic seat and the magnetic block repel each other, a rotating rod 307 is rotatably connected to the upper part of the inner cavity of the movable groove 301, a limiting spring 308 is fixedly connected between the rotating rod 307 and the inner wall of the movable groove 301, the magnetic block 309 is fixedly connected to the left end and the right end of the rotating rod 307, an adjusting disk 310 is fixedly connected to the rear end of the rotating rod 307, an arc-shaped groove is formed on the surface of the adjusting disk 310, a guide pin extending into the arc-shaped groove is movably connected to the front end of the bottom of the sliding plate 401, symmetrical gas collecting grooves 311 are formed on the upper part of the inner cavity of the movable groove 301, a piston 312 is slidably connected to the inner cavity of the gas collecting groove 311, a return spring 313 is fixedly connected between the piston 312 and the upper wall of the inner cavity of the gas collecting groove 311, when the bearing table 202 tilts due to foundation, guide pillar 304 can receive the action of gravity to one side of slope to press butt spring 305 to remove promptly, and drive the current capacity that lets in the contact change both sides electromagnetism seat 306, make the magnetic block 309 at bull stick 307 both ends under the influence of different magnetic forces, and drive bull stick 307 towards the direction deflection opposite with the slope, synchronous drive adjustment disc 310 makes sliding plate 401 remove along corresponding vertical direction, adjust the rotation fluted disc 203 of both sides, make plummer 202 resume the horizontality fast, thereby the effectual slope of construction excavator base that has prevented just guaranteed the operation safety.

The rear part of the inner cavity triggering mechanism 3 of the bearing mechanism 2 is connected with an actuating mechanism 4 in a sliding manner, the actuating mechanism 4 comprises a sliding plate 401, a toothed plate 402, a flow guide pipe 403, a shaft rod 404, a turbofan 405, a sliding rod 406, an expansion link 407 and a hinge rod 408, the front end of the sliding plate 401 is connected with the toothed plate 402 in a sliding manner, the rear end of the sliding plate 401 is fixedly connected with the flow guide pipe 403, the flow guide pipe 403 is communicated with the gas collection groove 311, the upper wall of the gas collection groove 311 is provided with a pressurizing hole corresponding to the flow guide pipe 403, so that gas exhausted from the gas collection groove 311 can impact the turbofan 405 at a high speed to rotate the shaft rod 404, the inner cavity of the flow guide pipe 403 is connected with the shaft rod 404 extending onto the sliding plate 401 in a rotating manner, the front end of the shaft rod 404 is provided with a sliding groove matched with the sliding rod 406, and during the period that the shaft rod 404 drives the sliding rod 406 to rotate, the sliding rod 407 and the hinge rod 408 can simultaneously drive the expansion link 407 and the hinge rod 408 to move in the front-back direction, the rear end of the shaft lever 404 is fixedly connected with a turbofan 405, the front end of the shaft lever 404 is slidably connected with a sliding rod 406 extending to the toothed plate 402, the sliding rod 406 is movably connected with the toothed plate 402, the left side and the right side of the sliding rod 406 are both fixedly connected with telescopic rods 407, a hinged rod 408 is movably connected between the telescopic rods 407 and 406, when the rotating rod 307 is driven by the magnetic block 309 to deflect, the piston 312 on the inclined side is extruded, so that air in the inner cavity of the air collecting tank 311 can be discharged into the flow guide pipe 403 from a pressurizing hole with a smaller inner diameter, the shaft lever 404 is driven to rotate by the shaft lever 405 through quick impact of the turbofan 405, the telescopic rod 407 is extended under the action of centrifugal force, the sliding rod 406 is driven by the hinged rod 408 so that the toothed plate 402 moves forwards to be meshed with the threaded toothed rod 204, the bearing platform 202 is adjusted to be horizontal, the contact is synchronously reset at the moment, the rotating rod 307 is reset under the action of the limiting spring 308, when the inner cavity of the gas collecting channel 311 is reset, the piston 312 has limited negative suction air due to the existence of the pressurizing hole, and the backflow air cannot drive the turbofan 405 to rotate, so that the toothed plate 402 is reset to be separated from the threaded toothed rod 204, the reset condition of the adjusted bearing table 202 is avoided, and the use stability of the device is effectively improved.

The working principle is as follows: the foundation of the building civil engineering construction excavator with the anti-inclination function is in a horizontal state through the initial base 1 and the bearing platform 202, when the foundation subsides, causing the carrier 202 to tilt, the guide post 304 will be forced by gravity toward the tilted side against the spring 305 to move, the corresponding driving contact changes the access point between the contact and the variable resistance frame 303, so that the current flowing in the electromagnetic seat 306 on the inclined side is increased, the current flowing in the electromagnetic seat 306 on the other side is decreased, the magnetic blocks 309 at the two ends of the rotating rod 307 are affected by different magnetic forces, and the rotating rod 307 is driven to deflect in the direction opposite to the inclination, the synchronous driving of the adjusting disc 310 causes the sliding plate 401 to move in the corresponding vertical direction, the rotating fluted discs 203 on the two sides are adjusted, so that the bearing table 202 is quickly restored to the horizontal state, thereby effectively preventing the base of the construction excavator from inclining and ensuring the operation safety, when the rotating rod 307 is driven by the magnetic block 309 to deflect, the piston 312 on the inclined side is pressed, so that the air in the inner cavity of the air collecting channel 311 can be discharged into the flow guide pipe 403 from the pressurizing hole with the smaller inner diameter, then the turbofan 405 is quickly impacted to make the shaft lever 404 drive the sliding rod 406 to rotate, the telescopic rod 407 is extended under the action of centrifugal force, and the slide rod 406 is carried by the hinge rod 408 such that the toothed plate 402 is advanced into engagement with the threaded toothed rod 204, so that the bearing table 202 is adjusted to be horizontal, the contact is reset at the same time, the rotating rod 307 is reset under the action of the limiting spring 308, when the piston 312 is reset in the inner cavity of the gas collecting groove 311, negative suction of outside air is limited due to the existence of the pressurizing hole, and the backflow air cannot drive the turbofan 405 to rotate, and then make the pinion rack 402 reset and break away from with screw rack 204, avoided the plummer 202 after the regulation the condition that resets to the effectual stability that promotes equipment use.

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 building civil engineering digs machine base with prevent function that inclines, includes base (1), its characterized in that: the middle part of the upper end of the base (1) is movably hinged with a bearing mechanism (2), the inner cavity of the bearing mechanism (2) is movably connected with a trigger mechanism (3), and the rear part of the inner cavity trigger mechanism (3) of the bearing mechanism (2) is slidably connected with an actuating mechanism (4);

the bearing mechanism (2) comprises a rotating handle (201), a bearing table (202), a rotating fluted disc (203), a threaded toothed rod (204) and a support rod (205), the rotating handle (201) is movably connected to the middle of the upper end of the base (1), the bearing table (202) is fixedly connected to the upper end of the rotating handle (201), the rotating fluted disc (203) is rotatably connected to the left side and the right side of an inner cavity of the bearing table (202), the threaded toothed rod (204) extending to the rotating fluted disc (203) is rotatably connected to the rear portion of the inner cavity of the bearing table (202), and the support rod (205) is movably connected between the rotating fluted disc (203) and the base (1);

the threaded toothed rod (204) is meshed with the rotating fluted disc (203), and a toothed ring is fixedly sleeved in the middle of the threaded toothed rod (204); the trigger mechanism (3) comprises a movable groove (301), a positioning frame (302), a variable resistance frame (303), a guide post (304), a butting spring (305), an electromagnetic seat (306), a rotating rod (307), a limiting spring (308), a magnetic block (309), an adjusting disc (310), an air collecting groove (311), a piston (312) and a reset spring (313), the bottom of an inner cavity of the movable groove (301) is fixedly connected with the symmetrical positioning frame (302), the variable resistance frame (303) is fixedly connected between the positioning frames (302) of the inner cavity of the movable groove (301), the guide post (304) extending to the positioning frame (302) is slidably connected with the inner cavity of the variable resistance frame (303), the butting spring (305) is fixedly connected between the guide post (304) and the positioning frame (302), the electromagnetic seat (306) is fixedly connected above the positioning frame (302) at the bottom of the inner cavity of the movable groove (301), the upper part of the inner cavity of the movable groove (301) is rotatably connected with the rotating rod (307), the rotating rod (307) is fixedly connected with the inner wall of the movable groove (301), the limiting spring (308) is fixedly connected between the rotating rod (307) and the inner wall of the movable groove (301), the left end and the right end of the rotating rod (307), the adjusting disc (309) are fixedly connected with the adjusting block (309), and the adjusting disc (309), the upper part of the inner cavity of the movable groove (301) is provided with symmetrical gas collecting grooves (311), the inner cavity of the gas collecting grooves (311) is connected with a piston (312) in a sliding manner, and a return spring (313) is fixedly connected between the piston (312) and the upper wall of the inner cavity of the gas collecting grooves (311);

the inner cavity of the rotating handle (201) is provided with a movable groove (301), the middle surface of the guide post (304) is fixedly connected with a contact extending to the side wall of the variable resistance frame (303), the magnetic pole of the surface, adjacent to the magnetic block (309) on the corresponding side, of the electromagnetic seat (306) is the same after being electrified, and the surface of the adjusting disc (310) is provided with an arc-shaped groove;

the actuating mechanism (4) comprises a sliding plate (401), a toothed plate (402), a guide pipe (403), a shaft rod (404), a turbofan (405), a sliding rod (406), an expansion link (407) and a hinge rod (408), the front end of the sliding plate (401) is connected with the toothed plate (402) in a sliding manner, the rear end of the sliding plate (401) is fixedly connected with the guide pipe (403), the inner cavity of the guide pipe (403) is rotatably connected with the shaft rod (404) extending to the sliding plate (401), the rear end of the shaft rod (404) is fixedly connected with the turbofan (405), the front end of the shaft rod (404) is connected with the sliding rod (406) extending to the toothed plate (402) in a sliding manner, the left side and the right side of the sliding rod (406) are both fixedly connected with the expansion link (407), and the hinge rod (408) is movably connected between the expansion link (407) and the sliding rod (406);

a sliding plate (401) is connected to the rear of an inner cavity adjusting disc (310) of the movable groove (301) in a sliding mode, a sliding groove matched with a sliding rod (406) is formed in the front end of the shaft rod (404), the sliding rod (406) is movably connected with the toothed plate (402), and the guide pipe (403) is communicated with the gas collecting groove (311).