CN114263392B - Hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism and lifting and overturning locking method thereof - Google Patents
Hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism and lifting and overturning locking method thereof Download PDFInfo
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- CN114263392B CN114263392B CN202111602272.5A CN202111602272A CN114263392B CN 114263392 B CN114263392 B CN 114263392B CN 202111602272 A CN202111602272 A CN 202111602272A CN 114263392 B CN114263392 B CN 114263392B
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Abstract
A hand-operated push-pull rod type cabin cover lifting and overturning locking mechanism and a lifting and overturning locking method thereof relate to the technical field of cabin cover connecting mechanisms of freight airships, reusable carriers and the like. The invention solves the problems that the existing connecting mechanism of the hatch cover can not meet the requirements of quick and stable locking and opening and closing and locking, and the hatch cover can not be opened due to the simultaneous operation of the locking mechanism and the turnover mechanism. The pulley drives the hook-shaped cam to move upwards to drive the locking mechanism to move so as to realize unlocking between the cabin cover and the cabin seat; meanwhile, the pulley drives the rotary arm and the hatch cover to move upwards to lift the hatch cover; the pulley drives the hook cam to move upwards to push the connecting part of the rotary arm, so that the rotary arm rotates to turn the hatch cover backwards. The locking device is used for reliably connecting the goods, the pallet and the hatch cover body in the ascending process, has the functions of locking, opening, closing and locking quickly and stably, and can realize linkage unlocking and overturning.
Description
Technical Field
The invention relates to the technical field of cabin cover connecting mechanisms of freight airships, reusable vehicles and the like, in particular to a hand-operated push-pull rod type cabin cover lifting and overturning locking mechanism and a lifting and overturning locking method thereof.
Background
With the continuous development of manufacturing technology and space technology, cargo ships and spacecrafts come and go to bear the burden of a space and earth transportation system. The cargo ship has the function of an open cargo hold and is used for meeting the requirement of bidirectional movement of non-supercharged cargos. Because of the harsh space environment, it is more difficult to provide safety guarantee for astronauts when the spacecraft is exposed to the space environment for a longer time, so that the connecting mechanism of the hatch cover not only needs to provide reliable connection between goods, pallets and the spacecraft body in the ascending process, but also needs to have the functions of unlocking and locking in a quick and stable manner.
In summary, the existing connecting mechanism for the hatch cover cannot meet the requirements of quick and stable unlocking and locking and cannot be opened, and the problem that the hatch cover cannot be opened due to the fact that the locking mechanism and the turnover mechanism run simultaneously may occur.
Disclosure of Invention
The invention aims to solve the problems that the existing connecting mechanism of the hatch cover cannot be unlocked, locked and closed quickly and stably and the hatch cover cannot be opened due to the fact that the locking mechanism and the turnover mechanism run simultaneously, and further provides a hand-operated push-pull rod type hatch cover lifting and turnover locking mechanism and a lifting and turnover locking method thereof.
The technical scheme of the invention is as follows:
a hand-operated push-pull rod type cabin cover lifting and overturning locking mechanism comprises a lifting and overturning locking mechanism 4, wherein the lifting and overturning locking mechanism 4 comprises a lifting and overturning mechanism and a locking mechanism, the lifting and overturning mechanism comprises a lifting execution assembly, an overturning execution assembly and a lifting and overturning transmission assembly, the lifting execution assembly comprises a slide rail body 8 and a pulley 19, the slide rail body 8 is of a rectangular frame structure, the slide rail body 8 is vertically and fixedly arranged on the inner wall of one side, close to a cabin rear end 3, of a cabin seat 1, two oppositely arranged sliding grooves are machined on the inner side faces of longitudinal beams on the left side and the right side of the slide rail body 8 in the vertical direction, the pulley 19 can be slidably arranged in the sliding grooves of the longitudinal beams on the left side and the right side of the slide rail body 8, and the top of the rear end of the slide rail body 8 is fixedly connected with the cabin rear end 3; the overturning executing component comprises a hook-shaped cam 25 and a rotary arm 22, the rotary arm 22 comprises a rotary arm body and a rotary arm connecting part, the rotary arm body and the rotary arm connecting part are of an integrated structure, the rotary arm body is rotatably connected with the top end of the pulley 19, the rotary arm connecting part is fixedly connected with the root part of the hatch cover 2, the hook-shaped cam 25 is positioned below the rotary arm 22, and the hook-shaped cam 25 is fixedly connected with the bottom end of the pulley 19; the lifting and overturning transmission assembly comprises a hand lever 26, a bevel gear transmission mechanism and a lead screw nut transmission mechanism, the lower end of the hand lever 26 is obliquely inserted into a hand lever assembly hole at the rear end 3 of the cabin from top to bottom, the root part of the hand lever 26 is connected with the lead screw nut transmission mechanism through the bevel gear transmission mechanism, the lead screw nut transmission mechanism is installed on the slideway body 8, the output end of the lead screw nut transmission mechanism is connected with the pulley 19, the pulley 19 is driven by the lead screw nut transmission mechanism to move upwards along a chute of the slideway body 8, and the pulley 19 drives the revolving arm 22 and the cabin cover 2 to move upwards, so that the cabin cover 2 is lifted; the pulley 19 continues to drive the rotary arm 22 and the hatch cover 2 to move upwards, when the top end of the rotary arm 22 mounted on the pulley 19 touches a top end beam of the slide way body 8, the rotary arm 22 and the hatch cover 2 overturn under the stop of the slide way body 8, the pulley 19 simultaneously drives the hook-shaped cam 25 to move upwards, the hook-shaped cam 25 pushes the rotary arm connecting part upwards, and the rotary arm 22 rotates to further realize the backward overturning of the hatch cover 2; the locking mechanism comprises a locking execution assembly and a locking push-pull assembly, the locking execution assembly is arranged on the cabin 1, the power output end of the locking push-pull assembly is connected with the locking execution assembly, the hook-shaped cam 25 is driven by the pulley 19 to push the locking push-pull assembly and the locking execution assembly to move synchronously, and locking or unlocking between the cabin cover 2 and the cabin 1 is achieved.
Further, screw nut drive mechanism includes lead screw 18, screw 20, boss 9 and goes up fixing base 24, and the vertical setting of lead screw 18 is inside slide body 8, and 18 both ends of lead screw are processed into the optical axis, and 18 top optical axes of lead screw rotate with last fixing base 24 to be connected, go up 24 fixed mounting of fixing base on slide body 8's top crossbeam, 18 bottom optical axes of lead screw rotate with boss 9 to be connected, 9 fixed mounting of boss are on slide body 8's bottom crossbeam, and 18 lower extremes of lead screw pass boss 9 and slide body 8 bottom crossbeams in proper order.
Further, the bevel gear transmission mechanism comprises a driving bevel gear 15, a driven bevel gear 16 and a coupler 17, wherein the driving bevel gear 15 is installed at the lower end of the hand-operated lever 26 through a flat key, the driven bevel gear 16 is connected with the lower end of the lead screw 18 through the coupler 17, and the driven bevel gear 16 is meshed with the driving bevel gear 15.
Furthermore, the lifting execution assembly further comprises two pairs of pulley wheels 21, the two pairs of pulley wheels 21 are respectively and symmetrically installed on the left side and the right side of the pulley 19, and the pulley 19 is in rolling fit with the two sliding grooves of the slideway body 8 through the pulley wheels 21 on the two sides.
Further, the upset execution module still includes two sliders 23, and two sliders 23 are installed side by side on the top end crossbeam of slide body 8, and the gyration arm body includes two support arms and two round pin axles, and two support arms set up side by side between two longerons on coaster 19 top, the processing of support arm middle part has the pinhole, and two support arms rotate with two longerons on coaster 19 top respectively through two round pin axles to be connected, and the up end of two support arms is the cambered surface, two support arms and two slider 23 one-to-ones.
Further, the hook-shaped cam 25 is integrally of a barb-shaped structure, the hook-shaped cam 25 comprises a connecting part, a lifting part and a cam push-pull part, the connecting part is of a rectangular plate-shaped structure, a screw avoiding through hole is machined in the center of the upper end face of the connecting part, the connecting part is horizontally sleeved on the screw 18 and is fixedly connected with the bottom end of the pulley 19, the front end of the connecting part is fixedly connected with the cam push-pull part, the cam push-pull part comprises two cam plates which are arranged side by side, the cam plates are of an isosceles trapezoid structure, the bottom edges of the cam plates are vertically and fixedly connected with the connecting part, the lifting part is arranged on the upper portion of the cam push-pull part and comprises a middle cross rod and two edge longitudinal rods, the two edge longitudinal rods are respectively arranged in parallel with the oblique edges of the upper portions of the two cam plates, the top ends of the two edge longitudinal rods are respectively fixedly connected with the top ends of the two cam plates, a guide slideway matched with the push-pull rod guide shaft 12 is formed between the edge longitudinal rods, the bottom ends of the two edge longitudinal rods are fixedly connected through a middle cross rod, a U-shaped bracket with the upper end opening is formed between the middle cross rod and the two edge longitudinal rods, and the U-shaped bracket is used for lifting arm connecting part for lifting.
Further, the locking execution assembly comprises two lock rods 6, three pairs of locking handles 5 and three pairs of locking sleeves 14, the two lock rods 6 are horizontally and oppositely arranged at the lower parts of the outer edges of the top ends of the left side and the right side of the cabin 1 along the length direction of the cabin 1, the two lock rods 6 are respectively inserted into the guide through holes of the three pairs of lower lock bodies 102 of the cabin 1 from front to back in sequence, one locking sleeve 14 is arranged between each lock rod 6 and each lower lock body 102, the locking sleeves 14 are sleeved on the lock rods 6, the locking sleeves 14 are fixedly arranged on the corresponding lower lock bodies 102, the three pairs of locking handles 5 are sequentially arranged on the two lock rods 6 from front to back, the three pairs of locking handles 5 are respectively arranged on the side parts of the three pairs of locking sleeves 14, each locking handle 5 comprises an inserting pin part and a sleeve connecting part, the sleeve connecting part of the inserting pin part of the locking handle 5 is sleeved on the lock rod 6, the inserting part of the locking handle 5 is inserted into the pin hole of the lower lock body 102 of the cabin 1 and the pin hole of the upper lock body 202 of the cover 2, and the upper lock pin part is in clearance fit with the upper lock pin hole.
Further, one end of each of the two lock rods 6 close to the rear end 3 of the cabin is connected through a locking push-pull assembly, when the hook-shaped cam 25 is driven by the pulley 19 to move upwards, the hook-shaped cam 25 drives and pushes the locking push-pull assembly and the locking execution assembly to move synchronously, so that a bolt portion of the locking handle 5 mounted on the lock rod 6 is separated from a lower lock body pin hole of the lower lock body 102 of the cabin 1 and an upper lock body pin hole of the upper lock body 202 of the cabin cover 2, unlocking between the cabin cover 2 and the cabin 1 is achieved, the locking push-pull assembly comprises a push-pull rod guide shaft 12, two push-pull rods 10 and two push-pull shafts 11, the push-pull rod guide shaft 12 is horizontally arranged below the hook-shaped cam 25, the two push-pull rods 10 are symmetrically arranged on the left side and the right side of the push-pull rod guide shaft 12, two ends of the push-pull rod guide shaft 12 are respectively fixedly connected with one end of the two push-pull rods 10, the other ends of the two push rods 10 are respectively fixedly connected with one end of the two lock rods 6 close to the rear end 3 of the cabin, rear end of the two push-pull rods 10 are respectively fixedly connected with one end of the two lock rods 10, a through hole of the push-pull shaft assembly, and the two push-pull shaft assembly is vertically inserted in a through hole 8 of the push-pull shaft assembly.
Furthermore, the locking execution assembly further comprises two pairs of bolts 13, threaded holes are processed at the end parts of the lock rods 6, and the two pairs of locking handles 5 positioned at the end parts of the two lock rods 6 are fixedly connected with the lock rods 6 through the two pairs of bolts 13.
The invention also provides a lifting and overturning locking method of the hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism, which is realized by the following steps,
step one, the hand rocker 26 provides input torque to complete lifting and unlocking actions of the hatch cover 2:
in an initial state, the hatch cover 2 and the hatch seat 1 are in a locking state, and a bolt part of a locking handle 5 arranged on a locking rod 6 is inserted into a lower lock body pin hole of a lower lock body 102 of the hatch seat 1 and an upper lock body pin hole of an upper lock body 202 of the hatch cover 2; at the moment, the hook-shaped cam 25 is positioned at the bottom of the front side of the slideway body 8, and the push-pull rod guide shaft 12 is positioned at the root of the guide slideway of the hook-shaped cam 25; the worker manually shakes the hand-operated lever 26 to provide input torque, the driving bevel gear 15 at the tail end of the hand-operated lever 26 obtains power to rotate, the driving bevel gear 15 transmits the power to the driven bevel gear 16 through gear meshing motion, the driven bevel gear 16 drives the lead screw 18 to rotate through the coupler 17, the screw nut 20 sleeved on the lead screw 18 starts to move upwards, meanwhile, the movement of the screw nut 20 drives the pulley 19 to move upwards, and the movement of the pulley 19 drives the hook-shaped cam 25 to move upwards; in the upward movement process of the hook-type cam 25, the push-pull rod guide shaft 12 moves forward along the push-pull shaft 11 under the pushing action of the inclined edge of the upper part of the cam plate of the cam push-pull part, the push-pull rod guide shaft 12 drives the two push-pull rods 10 and the lock rod 6 to move forward, and at the moment, the bolt part of the locking handle 5 arranged on the lock rod 6 is separated from the lower lock body pin hole of the lower lock body 102 of the cabin 1 and the upper lock body pin hole of the upper lock body 202 of the cabin cover 2, so that the cabin cover 2 is unlocked; when a locking mechanism in the lifting and overturning locking mechanism 4 is in an unlocking state, the movement of the pulley 19 drives the rotary arm 22 to move upwards, and the rotary arm 22 simultaneously drives the hatch cover 2 to do upward lifting movement, so that the lifting action of the hatch cover 2 is completed;
step two, the hand rocker 26 provides input torque to complete backward overturning of the hatch cover 2:
after the lifting is finished, the screw 20 continues to move upwards, the hook-shaped cam 25 abuts against the rotary arm 22, when the upper end faces of the two support arms of the rotary arm 22 mounted on the pulley 19 touch the two sliders 23 on the cross beam at the top end of the slide rail body 8, the rotary arm 22 and the cabin cover 2 perform rotary motion under the stopping of the sliders 23, the pulley 19 simultaneously drives the hook-shaped cam 25 to move upwards, the U-shaped bracket of the lifting part of the hook-shaped cam 25 upwards pushes the rotary arm connecting part, the rotary arm 22 performs rotary motion, and the backward overturning action of the cabin cover 2 is finished.
The two steps of the lifting and overturning locking mechanism of the hand-cranking push-pull rod type cabin cover are repeated, so that the actions of repeatedly lifting, locking and unlocking and overturning the cabin cover are realized.
Compared with the prior art, the invention has the following effects:
1. according to the invention, a mode of inputting torque by the hand-operated rod 26 is adopted, and a hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism is utilized, so that the unlocking state of the hatch cover 2 is realized at first, then the lifting state of the hatch cover 2 is realized, the hatch cover 2 is lifted for a certain distance after being unlocked, the interference between the hatch cover 2 and the hatch rear end 3 and the hatch seat 1 during overturning action is avoided, and finally the overturning state of the hatch cover 2 is realized by the overturning mechanism, so that the reliable connection between goods and pallets and a hatch cover body in an ascending process is provided, and meanwhile, the functions of quickly and stably unlocking and locking are realized;
2. the hatch cover lifting unlocking mechanism of the invention realizes the unlocking between the hatch cover 2 and the hatch seat 1 by the upward movement of the screw nut 20 on the screw rod 18 and the upward movement of the hook-shaped cam 25 driven by the pulley 19 to drive the locking push-pull component and the locking execution component to synchronously move by the driving of the hook-shaped cam 25, so that the bolt part of the locking handle 5 arranged on the locking rod 6 is separated from the lower lock body pin hole of the lower lock body 102 of the hatch seat 1 and the upper lock body pin hole of the upper lock body 202 of the hatch cover 2. Meanwhile, the movement of the pulley 19 drives the rotary arm 22 to move upwards, and the rotary arm 22 simultaneously drives the hatch cover 2 to do upward lifting movement, so that the lifting action of the hatch cover 2 is completed;
3. the turnover mechanism of the invention drives the hook-shaped cam 25 to move upwards through the pulley 19 by the upward movement of the nut 20 on the lead screw 18, and the U-shaped bracket of the lifting part of the hook-shaped cam 25 pushes the connecting part of the rotary arm upwards to make the rotary arm 22 do rotary motion, thus finishing the backward turnover action of the hatch cover 2.
Drawings
Fig. 1 is an isometric view of a hand push-pull rod type hatch cover lifting and turnover locking mechanism of the present invention applied to an open cargo compartment;
FIG. 2 is an isometric view of the hand push-pull rod type hatch lift flip lock mechanism of the present invention;
FIG. 3 is an isometric view of the lift and tilt mechanism of the hand push-pull rod type hatch lift and tilt locking mechanism of the present invention;
FIG. 4 is a schematic view of the application of the manual push-pull rod type hatch cover lift and rollover locking mechanism of the present invention to an open cargo compartment;
FIG. 5 is an enlarged view of a portion of FIG. 4 at A;
fig. 6 is an isometric view of the hook cam 25 of the present invention;
FIG. 7 is an isometric view of the swivel arm 22 of the present invention;
figure 8 is an assembled schematic view of the locking push-pull assembly and lifting canting mechanism of the present invention.
In the figure: 1-cabin seat; 2-a hatch; 101-a capsule seat body; 102-a lower lock body; 1021-a keyway; 201-a hatch body; 202, an upper lock body; 3-rear end of cabin; 4-lifting and turning over the locking mechanism; 5-locking a handle; 6-locking bar; 7-a screw; 8-a slideway body; 9-boss; 10-a push-pull rod; 11-a push-pull shaft; 12-a push-pull rod guide shaft; 13-a bolt; 14-a lock sleeve; 15-drive bevel gear; 16-a driven bevel gear; 17, a coupler; 18-a lead screw; 19-a sled; 20-a nut; 21-a sheave; 22-a swivel arm; 23-a slide block; 24-an upper fixed seat; 25-hook cam; 26-hand rocker.
Detailed Description
The hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism is applied to an open type warehouse, the open type warehouse comprises a hatch seat 1, a hatch cover 2, a hatch rear end 3 and a lifting and overturning locking mechanism 4, the hatch seat 1 is horizontally arranged, the hatch rear end 3 is vertically arranged at the rear end of the hatch seat 1, the rear end of the hatch seat 1 is fixedly connected with the front end of the hatch rear end 3, the hatch cover 2 is horizontally arranged right above the hatch seat 1, the hatch cover 2 realizes lifting unlocking and locking actions through the lifting and overturning locking mechanism 4, and the hatch cover 2 realizes backward overturning actions through the lifting and overturning locking mechanism 4; the cabin seat 1 comprises a cabin seat body 101 and three pairs of lower lock bodies 102, the lower end faces of the outer edges of the top ends of the left side and the right side of the cabin seat body 101 are sequentially provided with the three pairs of lower lock bodies 102 from front to back, each team of the lower lock bodies 102 is fixedly arranged on the cabin seat body 101, the upper end face of each lower lock body 102 is fixedly connected with the lower end face of the outer edge of the top end of the cabin seat body 101, a lock groove 1021 is processed on the upper end face of each lower lock body 102 and the corresponding outer edge of the top end of the cabin seat body 101 along the vertical direction, and a guide through hole and a lower lock body pin hole which are communicated with the lock groove 1021 are processed on the rear end face of each lower lock body 102 along the horizontal direction; the hatch cover 2 comprises a hatch cover body 201 and three pairs of upper locking bodies 202, the upper end faces of the outer edges of the bottom ends of the left side and the right side of the hatch cover body 201 are sequentially provided with the three pairs of upper locking bodies 202 from front to back, the two pairs of upper locking bodies 202 are respectively in one-to-one correspondence with the two pairs of lower locking bodies 102, the upper end face of each upper locking body 202 is fixedly connected with the lower end face of the outer edge of the bottom end of the hatch cover body 201, the upper locking bodies 202 are inserted into locking grooves 1021 of the lower locking bodies 102, the upper locking bodies 202 are in clearance fit with the locking grooves 1021, and the rear end face of each upper locking body 202 is provided with an upper locking body pin hole which is coaxially arranged with a lower locking body pin hole of the lower locking body 102; the side part of the cabin rear end 3 is processed with a hand rocker assembling hole which is obliquely arranged towards the middle lower part.
The first specific implementation way is as follows: the embodiment is described with reference to fig. 1 to 8, and the lifting and overturning locking mechanism of the hand-operated push-pull rod type hatch cover of the embodiment comprises a lifting and overturning locking mechanism 4, wherein the lifting and overturning locking mechanism 4 comprises a lifting and overturning mechanism and a locking mechanism, the lifting and overturning mechanism comprises a lifting execution assembly, an overturning execution assembly and a lifting and overturning transmission assembly, the lifting execution assembly comprises a slide way body 8 and a pulley 19, the slide way body 8 is of a rectangular frame structure, the slide way body 8 is vertically and fixedly installed on the inner wall of one side of the hatch seat 1, which is close to the rear end 3 of the hatch, two sliding grooves which are oppositely arranged are processed on the inner side faces of longitudinal beams on the left side and the right side of the slide way body 8 along the vertical direction, the pulley 19 can be slidably installed in the sliding grooves of the longitudinal beams on the left side and the right side of the slide way body 8, and the top of the rear end of the slide way body 8 is fixedly connected with the rear end 3 of the hatch through a plurality of screws 7; the overturning executing component comprises a hook-shaped cam 25 and a rotary arm 22, the rotary arm 22 comprises a rotary arm body and a rotary arm connecting part, the rotary arm body and the rotary arm connecting part are of an integrated structure, the rotary arm body is rotatably connected with the top end of the pulley 19, the rotary arm connecting part is fixedly connected with the root part of the hatch cover 2, the hook-shaped cam 25 is positioned below the rotary arm 22, and the hook-shaped cam 25 is fixedly connected with the bottom end of the pulley 19; the lifting and overturning transmission assembly comprises a hand lever 26, a bevel gear transmission mechanism and a lead screw nut transmission mechanism, the lower end of the hand lever 26 is obliquely inserted into a hand lever assembly hole at the rear end 3 of the cabin from top to bottom, the root part of the hand lever 26 is connected with the lead screw nut transmission mechanism through the bevel gear transmission mechanism, the lead screw nut transmission mechanism is installed on the slideway body 8, the output end of the lead screw nut transmission mechanism is connected with the pulley 19, the pulley 19 is driven by the lead screw nut transmission mechanism to move upwards along a chute of the slideway body 8, and the pulley 19 drives the revolving arm 22 and the cabin cover 2 to move upwards, so that the cabin cover 2 is lifted; the pulley 19 continues to drive the rotary arm 22 and the hatch cover 2 to move upwards, when the top end of the rotary arm 22 mounted on the pulley 19 touches a top end cross beam of the slide rail body 8, the rotary arm 22 and the hatch cover 2 turn over under the stop of the slide rail body 8, the pulley 19 simultaneously drives the hook-shaped cam 25 to move upwards, the hook-shaped cam 25 pushes the rotary arm connecting part upwards, and the rotary arm 22 rotates to further turn over the hatch cover 2 backwards; the locking mechanism comprises a locking execution assembly and a locking push-pull assembly, the locking execution assembly is arranged on the cabin 1, the power output end of the locking push-pull assembly is connected with the locking execution assembly, the hook-shaped cam 25 is driven by the pulley 19 to push the locking push-pull assembly and the locking execution assembly to move synchronously, and locking or unlocking between the cabin cover 2 and the cabin 1 is achieved.
The locking mechanism in the lift-and-turn locking mechanism 4 of the present embodiment is a mechanism that realizes the functions of unlocking and locking the hatch.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 8, the lead screw nut transmission mechanism of the embodiment includes a lead screw 18, a nut 20, a boss 9 and an upper fixing seat 24, the lead screw 18 is vertically arranged inside the slide body 8, the two ends of the lead screw 18 are processed into optical axes, the optical axis at the top end of the lead screw 18 is rotatably connected with the upper fixing seat 24, the upper fixing seat 24 is fixedly arranged on a top end beam of the slide body 8, the optical axis at the bottom end of the lead screw 18 is rotatably connected with the boss 9, the boss 9 is fixedly arranged on a bottom end beam of the slide body 8, and the lower end of the lead screw 18 sequentially passes through the boss 9 and the bottom end beam of the slide body 8.
According to the arrangement, the hook-shaped cam 25 is driven by the pulley 19 to move upwards through the upward movement of the nut 20 on the lead screw 18, the hook-shaped cam 25 drives and pushes the locking push-pull assembly and the locking execution assembly to move synchronously, and the bolt part of the locking handle 5 arranged on the locking rod 6 is separated from the lower lock body pin hole of the lower lock body 102 of the cabin 1 and the upper lock body pin hole of the upper lock body 202 of the cabin cover 2, so that the cabin cover 2 and the cabin 1 are unlocked;
through the upward movement of the nut 20 on the screw 18, the movement of the pulley 19 drives the revolving arm 22 to move upward, and the revolving arm 22 simultaneously drives the hatch 2 to do upward lifting movement, thereby completing the lifting action of the hatch 2;
the pulley 19 drives the hook-shaped cam 25 to move upwards through the upward movement of the nut 20 on the lead screw 18, the U-shaped bracket of the lifting part of the hook-shaped cam 25 pushes the connecting part of the rotary arm upwards, the rotary arm 22 makes rotary motion, and the backward overturning action of the hatch cover 2 is completed. Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: the bevel gear transmission mechanism of the present embodiment is described with reference to fig. 1 to 8, and includes a drive bevel gear 15, a driven bevel gear 16, and a coupling 17, the drive bevel gear 15 is mounted at the lower end of a hand lever 26 through a flat key, the driven bevel gear 16 is connected with the lower end of a lead screw 18 through the coupling 17, and the driven bevel gear 16 is engaged with the drive bevel gear 15. So set up, provide input torque transmission to lead screw nut drive mechanism with hand rocker 26 through bevel gear drive mechanism. Other components and connection relationships are the same as in the first or second embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 to fig. 8, the lifting execution assembly of the embodiment further includes two pairs of pulley wheels 21, the two pairs of pulley wheels 21 are respectively and symmetrically installed on the left and right sides of the pulley 19, and the pulley 19 is in rolling fit with the two sliding grooves of the slideway body 8 through the pulley wheels 21 on the two sides. So set up, coaster 19 realizes the roll cooperation through the smooth wheel 21 of both sides and slide body 8, compares with sliding friction, and rolling friction's frictional force is littleer, more laborsaving. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The fifth concrete implementation mode: the embodiment is described with reference to fig. 1 to 8, the turnover executing assembly of the embodiment further includes two sliding blocks 23, the two sliding blocks 23 are installed side by side on a top end beam of the slide way body 8, the revolving arm body includes two support arms and two pin shafts, the two support arms are arranged side by side between two longitudinal beams at the top end of the pulley 19, pin holes are processed in the middle of the support arms, the two support arms are respectively connected with the two longitudinal beams at the top end of the pulley 19 through the two pin shafts in a rotating manner, the upper end surfaces of the two support arms are arc surfaces, and the two support arms are in one-to-one correspondence with the two sliding blocks 23. So set up, two sliders 23 play the spacing effect to two support arms of gyration arm 22. When the upper end surfaces of the two support arms of the rotary arm 22 mounted on the pulley 19 contact the two slide blocks 23 on the top end beam of the slide rail body 8, the rotary arm 22 and the hatch cover 2 perform rotary motion under the stop of the slide blocks 23. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 1 to 8, the hook cam 25 of the present embodiment is entirely of a barb type structure, the hook cam 25 includes a connecting portion, a lifting portion and a cam pushing and pulling portion, the connecting portion is of a rectangular plate structure, a screw avoiding through hole is processed at the center of the upper end surface of the connecting portion, the connecting portion is horizontally sleeved on the screw 18, the connecting portion is fixedly connected with the bottom end of the pulley 19, the front end of the connecting portion is fixedly connected with the cam pushing and pulling portion, the cam pushing and pulling portion includes two cam plates arranged side by side, the cam plates are of an isosceles trapezoid structure, the bottom edges of the cam plates are vertically and fixedly connected with the connecting portion, the lifting portion is arranged at the upper portion of the cam pushing and pulling portion, the lifting portion includes a middle cross bar and two edge vertical bars, the two edge vertical bars are respectively arranged in parallel with the upper portions of the two cam plates, the top ends of the two edge vertical bars are respectively fixedly connected with the top ends of the two cam plates, a guide slideway matched with the guide shaft 12 of the push rod is formed between the vertical bar and the vertical bar, the bottom ends of the two edge bars are fixedly connected with a U-shaped bracket, and the lifting portion is used for supporting the U-arm connecting portion. So set up, hook cam 25 realizes carrying through lifting support part and draws to revolving arm 22, after promoting, screw 20 continues the upward movement, hook cam 25 withstands revolving arm 22 this moment, when the up end of installing two support arms of revolving arm 22 on coaster 19 touches two sliders 23 on the crossbeam of slide body 8 top, revolving arm 22 and cabin cover 2 are rotary motion under the backstop of slider 23, coaster 19 drives hook cam 25 upward movement simultaneously, the U type of hook cam 25 holds in the palm the groove and upwards promotes revolving arm connecting portion, make revolving arm 22 be rotary motion, the backward upset action of cabin cover 2 has been accomplished. Other compositions and connection relationships are the same as in the first, second, third, fourth or fifth embodiment.
The seventh concrete implementation mode: the present embodiment is described with reference to fig. 1 to 8, the locking execution assembly of the present embodiment includes two lock rods 6, three pairs of locking handles 5, and three pairs of lock sleeves 14, the two lock rods 6 are horizontally and oppositely disposed at the lower portions of the top outer edges of the left and right sides of the cabin 1 along the length direction of the cabin 1, the two lock rods 6 are respectively inserted into the guide through holes of the three pairs of lower lock bodies 102 of the cabin 1 from front to back in sequence, one lock sleeve 14 is disposed between each lock rod 6 and each lower lock body 102, the lock sleeves 14 are sleeved on the lock rods 6, the lock sleeves 14 are fixedly mounted on the corresponding lower lock bodies 102, the three pairs of locking handles 5 are sequentially mounted on the two lock rods 6 from front to back, the three pairs of locking handles 5 are respectively located at the side portions of the three pairs of lock sleeves 14, each locking handle 5 includes a plug pin portion and a sleeve connection portion, the plug pin portion and the sleeve connection portion are of an integral structure, the sleeve connection portion of the lock rod 5 is sleeved on the lock rod 6, the plug pin portion of the locking handle 5 is inserted into the pin hole of the lower lock body 102 of the lower lock body and the cover body 202 of the upper lock sleeve, and the lock sleeve connection portion of the lock sleeve is in clearance fit with the upper lock pin hole of the lock body 202. With this arrangement, the locking execution assembly is used for unlocking or locking the hatch 2, and in an initial state, the hatch 2 and the cabin 1 are in a locked state, and the plug portion of the locking handle 5 mounted on the locking rod 6 is inserted into the lower lock body pin hole of the lower lock body 102 of the cabin 1 and the upper lock body pin hole of the upper lock body 202 of the hatch 2. Other compositions and connection relations are the same as those of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment or the sixth embodiment.
Three pairs of lock sleeves 14 mounted on the lock lever 6 of the present embodiment are arranged at the front end, the middle end, and the rear end, respectively. Three pairs of locking handles 5 mounted on the locking bar 6 are disposed at the front end, the middle end and the rear end, respectively.
The specific implementation mode is eight: referring to fig. 1 to 8, in the present embodiment, one ends of two lock rods 6 near the cabin rear end 3 are connected by a locking push-pull assembly, when a hook-shaped cam 25 moves upward under the driving of a pulley 19, the hook-shaped cam 25 drives and pushes the locking push-pull assembly and a locking execution assembly to move synchronously, so that a bolt portion of a locking handle 5 mounted on the lock rod 6 is separated from a lower lock body pin hole of a lower lock body 102 of a cabin 1 and an upper lock body pin hole of an upper lock body 202 of a cabin cover 2, so as to unlock the cabin cover 2 and the cabin 1, the locking push-pull assembly comprises a push-pull rod guide shaft 12, two push-pull rods 10 and two push-pull shafts 11, the push-pull rod guide shafts 12 are horizontally arranged below the hook-shaped cam 25, the two push-pull rods 10 are symmetrically arranged on the left and right of the push-pull rod guide shafts 12, two ends of each push-pull rod guide shaft 12 are fixedly connected with one end of each of the two push-pull rods 10, the other ends of the two push-pull rods 10 are fixedly connected with one end of each of the two lock rods 6 close to the rear end 3 of the cabin, push-pull shaft assembly through holes are machined in the rear end faces of one sides of the two push-pull rods 10 close to the push-pull rod guide shafts 12, the head ends of the two push-pull shafts 11 are horizontally inserted into the push-pull shaft assembly through holes of the two push-pull rods 10, the push-pull shafts 11 are in clearance fit with the push-pull shaft assembly through holes, and the tail ends of the two push-pull shafts 11 are vertically fixed on the slide rail body 8. So set up, while unblocking, the movement of the screw 20 drives the pulley 19 to move upwards, the movement of the pulley 19 drives the hook-shaped cam 25 to move upwards; during the upward movement of the hook-shaped cam 25, the push-pull rod guide shaft 12 moves forward along the push-pull shaft 11 under the pushing action of the upper oblique edge of the cam plate of the cam push-pull part, the push-pull rod guide shaft 12 drives the two push-pull rods 10 and the lock rod 6 to move forward, and at this time, the bolt part of the locking handle 5 mounted on the lock rod 6 is separated from the lower lock body pin hole of the lower lock body 102 of the cabin 1 and the upper lock body pin hole of the upper lock body 202 of the cabin cover 2, so that the cabin cover 2 is unlocked. Other compositions and connection relations are the same as those of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment, the fifth embodiment, the sixth embodiment or the seventh embodiment.
The specific implementation method nine: the locking executing assembly of the present embodiment is described with reference to fig. 1 to 8, and further includes two pairs of bolts 13, threaded holes are processed at the ends of the lock rods 6, and the two pairs of locking handles 5 located at the ends of the two lock rods 6 are fixedly connected with the lock rods 6 through the two pairs of bolts 13. Other compositions and connection relationships are the same as those in the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The detailed implementation mode is ten: the embodiment is described with reference to fig. 1 to 8, and a lifting and overturning locking method based on the hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism of the embodiment is realized by the following steps,
step one, the hand-operated lever 26 provides input torque to complete lifting and unlocking actions of the hatch cover 2:
in an initial state, the hatch cover 2 and the hatch seat 1 are in a locking state, and a bolt part of a locking handle 5 arranged on a locking rod 6 is inserted into a lower lock body pin hole of a lower lock body 102 of the hatch seat 1 and an upper lock body pin hole of an upper lock body 202 of the hatch cover 2; at this time, the hook-shaped cam 25 is positioned at the bottom of the front side of the slideway body 8, and the push-pull rod guide shaft 12 is positioned at the root of the guide slideway of the hook-shaped cam 25; the worker manually shakes the hand-operated lever 26 to provide input torque, the driving bevel gear 15 at the tail end of the hand-operated lever 26 obtains power to rotate, the driving bevel gear 15 transmits the power to the driven bevel gear 16 through gear meshing motion, the driven bevel gear 16 drives the lead screw 18 to rotate through the coupler 17, the screw nut 20 sleeved on the lead screw 18 starts to move upwards, meanwhile, the movement of the screw nut 20 drives the pulley 19 to move upwards, and the movement of the pulley 19 drives the hook-shaped cam 25 to move upwards; in the upward movement process of the hook-shaped cam 25, the push-pull rod guide shaft 12 moves forward along the push-pull shaft 11 under the pushing of the inclined edge of the upper part of the cam plate of the cam push-pull part, the push-pull rod guide shaft 12 drives the two push-pull rods 10 and the lock rod 6 to move forward, at the moment, the bolt part of the locking handle 5 arranged on the lock rod 6 is separated from the lower lock body pin hole of the lower lock body 102 of the cabin 1 and the upper lock body pin hole of the upper lock body 202 of the cabin cover 2, and the cabin cover 2 is unlocked; when a locking mechanism in the lifting and overturning locking mechanism 4 is in an unlocking state, the movement of the pulley 19 drives the rotary arm 22 to move upwards, and the rotary arm 22 simultaneously drives the hatch cover 2 to do upward lifting movement, so that the lifting action of the hatch cover 2 is completed;
step two, the hand rocker 26 provides input torque to complete backward overturning of the hatch cover 2:
after the lifting is finished, the screw 20 continues to move upwards, the hook-shaped cam 25 abuts against the rotary arm 22, when the upper end faces of the two support arms of the rotary arm 22 mounted on the pulley 19 touch the two sliders 23 on the cross beam at the top end of the slide rail body 8, the rotary arm 22 and the cabin cover 2 perform rotary motion under the stopping of the sliders 23, the pulley 19 simultaneously drives the hook-shaped cam 25 to move upwards, the U-shaped bracket of the lifting part of the hook-shaped cam 25 upwards pushes the rotary arm connecting part, the rotary arm 22 performs rotary motion, and the backward overturning action of the cabin cover 2 is finished.
The two steps of the lifting and overturning locking mechanism of the hand-cranking push-pull rod type cabin cover are repeated, so that the actions of repeatedly lifting, locking and unlocking and overturning the cabin cover are realized. Other compositions and connections are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth embodiments.
In the present embodiment, since the power of the lift-and-turn locking mechanism 4 is provided by the hand lever 26, the hatch 2 is lifted and unlocked first by the upward movement of the nut 20 on the lead screw 18, and the hatch 2 is turned backwards after the nut 20 continues to move upward on the lead screw 18.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a hand push-and-pull rod formula hatch cover promotes upset locking mechanism which characterized in that: the lifting turnover mechanism comprises a lifting turnover locking mechanism (4), wherein the lifting turnover locking mechanism (4) comprises a lifting turnover mechanism and a locking mechanism, the lifting turnover mechanism comprises a lifting execution assembly, a turnover execution assembly and a lifting turnover transmission assembly, the lifting execution assembly comprises a slide rail body (8) and a pulley (19), the slide rail body (8) is of a rectangular frame structure, the slide rail body (8) is vertically and fixedly installed on the inner wall of one side, close to the cabin rear end (3), of a cabin seat (1), two sliding grooves which are oppositely arranged are processed on the inner side surfaces of longitudinal beams on the left side and the right side of the slide rail body (8) along the vertical direction, the pulley (19) can be slidably installed in the sliding grooves of the longitudinal beams on the left side and the right side of the slide rail body (8), and the top of the rear end of the slide rail body (8) is fixedly connected with the cabin rear end (3); the overturning executing assembly comprises a hook-shaped cam (25) and a rotary arm (22), the rotary arm (22) comprises a rotary arm body and a rotary arm connecting part, the rotary arm body and the rotary arm connecting part are of an integrated structure, the rotary arm body is rotatably connected with the top end of the pulley (19), the rotary arm connecting part is fixedly connected with the root of the cabin cover (2), the hook-shaped cam (25) is positioned below the rotary arm (22), and the hook-shaped cam (25) is fixedly connected with the bottom end of the pulley (19); the lifting and overturning transmission assembly comprises a hand lever (26), a bevel gear transmission mechanism and a lead screw nut transmission mechanism, the lower end of the hand lever (26) is obliquely inserted into a hand lever assembly hole at the rear end (3) of the cabin from top to bottom, the root part of the hand lever (26) is connected with the lead screw nut transmission mechanism through the bevel gear transmission mechanism, the lead screw nut transmission mechanism is installed on the slideway body (8), the output end of the lead screw nut transmission mechanism is connected with a pulley (19), the pulley (19) moves upwards along a sliding groove of the slideway body (8) under the driving of the lead screw nut transmission mechanism, and the pulley (19) drives the revolving arm (22) and the cabin cover (2) to move upwards to realize the lifting of the cabin cover (2); the pulley (19) continues to drive the rotary arm (22) and the hatch cover (2) to move upwards, when the top end of the rotary arm (22) installed on the pulley (19) touches a top end cross beam of the slide way body (8), the rotary arm (22) and the hatch cover (2) overturn under the stopping of the slide way body (8), the pulley (19) simultaneously drives the hook-shaped cam (25) to move upwards, and the hook-shaped cam (25) upwards pushes the rotary arm connecting part, so that the rotary arm (22) rotates to realize the backward overturning of the hatch cover (2); locking mechanism includes locking executive component and locking push-and-pull subassembly, and locking executive component sets up on cabin (1), and the power take off end and the locking executive component of locking push-and-pull subassembly are connected, and under hook type cam (25) the drive of coaster (19), hook type cam (25) drive promote locking push-and-pull subassembly and locking executive component simultaneous movement, realize the locking or the unblock between cabin cover (2) and cabin (1).
2. The hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism of claim 1, wherein: screw nut drive mechanism includes lead screw (18), screw (20), boss (9) and goes up fixing base (24), and inside lead screw (18) vertical setting was in slide body (8), the optical axis was processed into at lead screw (18) both ends, and lead screw (18) top optical axis rotates with last fixing base (24) to be connected, go up fixing base (24) fixed mounting on the top crossbeam of slide body (8), lead screw (18) bottom optical axis rotates with boss (9) to be connected, boss (9) fixed mounting is on the bottom crossbeam of slide body (8), and lead screw (18) lower extreme passes boss (9) and slide body (8) bottom crossbeam in proper order.
3. The hand-cranking push-pull rod type hatch cover lifting and overturning locking mechanism as claimed in claim 1 or 2, characterized in that: the bevel gear transmission mechanism comprises a driving bevel gear (15), a driven bevel gear (16) and a coupler (17), the driving bevel gear (15) is installed at the lower end of a hand-operated rod (26) through a flat key, the driven bevel gear (16) is connected with the lower end of a lead screw (18) through the coupler (17), and the driven bevel gear (16) is meshed with the driving bevel gear (15).
4. The hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism of claim 3, wherein: the lifting execution assembly further comprises two pairs of sliding wheel (21), the two pairs of sliding wheel (21) are respectively and symmetrically installed on the left side and the right side of the pulley (19), and the pulley (19) is in rolling fit with the two sliding grooves of the sliding way body (8) through the sliding wheel (21) on the two sides.
5. The hand-cranking push-pull rod type hatch lifting and overturning locking mechanism as claimed in claim 1, 2 or 4, wherein: the overturning execution assembly further comprises two sliding blocks (23), the two sliding blocks (23) are installed on a top end beam of the slide way body (8) side by side, the rotary arm body comprises two support arms and two pin shafts, the two support arms are arranged between two longitudinal beams on the top end of the pulley (19) side by side, pin holes are formed in the middle of the support arms in a machining mode, the two support arms are respectively connected with the two longitudinal beams on the top end of the pulley (19) in a rotating mode through the two pin shafts, the upper end faces of the two support arms are cambered surfaces, and the two support arms correspond to the two sliding blocks (23) one to one.
6. The hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism of claim 5, wherein: the hook-type cam (25) is integrally of a barb-type structure, the hook-type cam (25) comprises a connecting part, a lifting part and a cam push-pull part, the connecting part is of a rectangular plate-shaped structure, a screw avoiding through hole is machined in the center of the upper end face of the connecting part, the connecting part is horizontally sleeved on a screw (18), the connecting part is fixedly connected with the bottom end of a pulley (19), the front end of the connecting part is fixedly connected with the cam push-pull part, the cam push-pull part comprises two cam plates which are arranged side by side, the cam plates are of an isosceles trapezoid structure, the bottom edges of the cam plates are vertically and fixedly connected with the connecting part, the lifting part is arranged on the upper portion of the cam push-pull part, the lifting part comprises a middle cross rod and two edge longitudinal rods, the two edge longitudinal rods are respectively arranged in parallel with the oblique edges of the upper portions of the two cam plates, the top ends of the two edge longitudinal rods are respectively fixedly connected with the top ends of the two cam plates, a guide slideway matched with a guide shaft (12) of the cam plates is formed between the edge longitudinal rods, the bottom ends of the two edge longitudinal rods are fixedly connected through a middle cross rod which is horizontally arranged, a U-type bracket with an upper end opening is formed between the middle cross rod and the two edge longitudinal rods, and the U-type bracket is used for lifting arm.
7. The hand-cranking push-pull rod type hatch cover lifting and overturning locking mechanism as recited in claim 6, wherein: the locking execution assembly comprises two lock rods (6), three pairs of locking handles (5) and three pairs of lock sleeves (14), the two lock rods (6) are horizontally and oppositely arranged at the lower parts of the top outer edges of the left side and the right side of the cabin seat (1) along the length direction of the cabin seat (1), the two lock rods (6) are respectively inserted into guide through holes of the three pairs of lower lock bodies (102) of the cabin seat (1) from front to back in sequence, one lock sleeve (14) is arranged between each lock rod (6) and each lower lock body (102), the lock sleeves (14) are sleeved on the lock rods (6), the lock sleeves (14) are fixedly installed on the corresponding lower lock bodies (102), the three pairs of locking handles (5) are sequentially installed on the two lock rods (6) from front to back, the three pairs of locking handles (5) are respectively located on the side parts of the three pairs of lock sleeves (14), each locking handle (5) comprises a plug pin part and a sleeve connecting part, the plug pin part and the sleeve connecting part are of the plug pin part and the sleeve connecting part, the plug pin part and the sleeve connecting part are of the plug part and the plug part (2) of the lock sleeve of the plug part and the lock sleeve which are in the plug part and the clearance of the upper plug part of the lock sleeve (1 and the lower lock sleeve (2).
8. The hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism of claim 7, wherein: one ends of the two lock rods (6) close to the rear end (3) of the cabin are connected through a locking push-pull assembly, when the hook-shaped cam (25) moves upwards under the driving of the pulley (19), the hook-shaped cam (25) drives and pushes the locking push-pull assembly and the locking execution assembly to move synchronously, so that a bolt part of a locking handle (5) installed on the lock rods (6) is separated from a lower lock body pin hole of a lower lock body (102) of the cabin seat (1) and an upper lock body pin hole of an upper lock body (202) of the cabin cover (2), unlocking between the cabin cover (2) and the cabin seat (1) is realized, the locking push-pull assembly comprises a push-pull rod guide shaft (12), two push-pull rods (10) and two push-pull shafts (11), the push-pull rod guide shaft (12) is horizontally arranged below the hook-shaped cam (25), the two push-pull rods (10) are symmetrically arranged at the left and right of the push-pull rod guide shaft (12), two ends of the push-pull rod guide shaft (12) are respectively fixedly connected with one ends of the two push-pull rods (10) at one end faces of the two push-pull rods (6), and the push-pull rod guide shaft (10) are respectively assembled and are in a gap between the two push-pull rod guide shaft through holes (11) which is formed after the two push-pull rod guide shaft (10), the two push rod guide shaft (10) is assembled, and the two push-pull rod guide shaft (10), the two push-pull rod guide shaft (10) and the two push rod guide shaft (10) is assembled, the two push rod guide shaft (10) and the push rod guide shaft (10) is assembled, and the two push rod guide shaft (10) is connected with the two push rod guide shaft (10) and the two push rod guide shaft (10) close to the push rod guide shaft (10) in the push rod guide shaft (10) and the gap is assembled, the gap is formed, the gap between the push rod guide shaft (10) and the gap is formed between the push rod guide shaft (10) after the push rod guide shaft (10) is formed, the tail ends of the two push-pull shafts (11) are vertically fixed on the slideway body (8).
9. The hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism of claim 8, wherein: the locking execution assembly further comprises two pairs of bolts (13), threaded holes are processed in the end portions of the lock rods (6), and two pairs of locking handles (5) located at the end portions of the two lock rods (6) are fixedly connected with the lock rods (6) through the two pairs of bolts (13).
10. A lifting and overturning locking method based on the hand-cranking push-pull rod type hatch cover lifting and overturning locking mechanism disclosed by claim 9, characterized by comprising the following steps of: the method for lifting, overturning and locking the hand-operated push-pull rod type hatch cover is realized by the following steps,
step one, the hand-operated lever (26) provides input torque to complete lifting and unlocking actions of the hatch cover (2):
in an initial state, the cabin cover (2) and the cabin seat (1) are in a locking state, and a bolt part of a locking handle (5) arranged on a locking rod (6) is inserted into a lower lock body pin hole of a lower lock body (102) of the cabin seat (1) and an upper lock body pin hole of an upper lock body (202) of the cabin cover (2); at the moment, the hook-shaped cam (25) is positioned at the bottom of the front side of the slideway body (8), and the push-pull rod guide shaft (12) is positioned at the root of the guide slideway of the hook-shaped cam (25); a worker manually shakes a hand-operated lever (26) to provide input torque, a driving bevel gear (15) at the tail end of the hand-operated lever (26) obtains power to rotate, the driving bevel gear (15) transmits the power to a driven bevel gear (16) through gear meshing motion, the driven bevel gear (16) drives a lead screw (18) to rotate through a coupler (17), a screw nut (20) sleeved on the lead screw (18) starts to move upwards, meanwhile, the movement of the screw nut (20) drives a pulley (19) to move upwards, and the movement of the pulley (19) drives a hook-shaped cam (25) to move upwards; in the upward movement process of the hook-shaped cam (25), a push-pull rod guide shaft (12) moves forward along a push-pull shaft (11) under the pushing of the inclined edge of the upper part of a cam plate of a cam push-pull part, the push-pull rod guide shaft (12) drives two push-pull rods (10) and a lock rod (6) to move forward, and at the moment, a bolt part of a locking handle (5) arranged on the lock rod (6) is separated from a lower lock body pin hole of a lower lock body (102) of a cabin base (1) and an upper lock body pin hole of an upper lock body (202) of a cabin cover (2), so that the cabin cover (2) is unlocked; when a locking mechanism in the lifting and overturning locking mechanism (4) is in an unlocking state, the movement of the pulley (19) drives the rotary arm (22) to move upwards, and the rotary arm (22) simultaneously drives the hatch cover (2) to do upward lifting movement, so that the lifting action of the hatch cover (2) is completed;
step two, the hand rocker (26) provides input torque to complete backward overturning of the hatch cover (2):
after the lifting is finished, the screw (20) continues to move upwards, the hook-shaped cam (25) props against the rotary arm (22), when the upper end surfaces of two support arms of the rotary arm (22) arranged on the pulley (19) touch two sliding blocks (23) on a cross beam at the top end of the slide way body (8), the rotary arm (22) and the cabin cover (2) do rotary motion under the stopping of the sliding blocks (23), the pulley (19) simultaneously drives the hook-shaped cam (25) to move upwards, a U-shaped bracket of a lifting part of the hook-shaped cam (25) upwards pushes a rotary arm connecting part, so that the rotary arm (22) does rotary motion, and the backward overturning action of the cabin cover (2) is finished;
the two steps of the lifting and overturning locking mechanism of the hand-cranking push-pull rod type cabin cover are repeated, so that the actions of repeatedly lifting, locking and unlocking and overturning the cabin cover are realized.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602272.5A CN114263392B (en) | 2021-12-24 | 2021-12-24 | Hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism and lifting and overturning locking method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111602272.5A CN114263392B (en) | 2021-12-24 | 2021-12-24 | Hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism and lifting and overturning locking method thereof |
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| CN114263392A CN114263392A (en) | 2022-04-01 |
| CN114263392B true CN114263392B (en) | 2022-10-11 |
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| CN202111602272.5A Active CN114263392B (en) | 2021-12-24 | 2021-12-24 | Hand-operated push-pull rod type hatch cover lifting and overturning locking mechanism and lifting and overturning locking method thereof |
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| US20080174126A1 (en) * | 2007-01-19 | 2008-07-24 | Samruol Kong | Latch device for mounting sheet-like linings |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3161893D1 (en) * | 1980-08-08 | 1984-02-16 | Delmas Vieljeux | Anti-theft fastening mechanism for doors of freight containers |
| CN103466235A (en) * | 2013-03-01 | 2013-12-25 | 华菱星马汽车（集团）股份有限公司 | Compaction type material cover of tank body |
| CN104005633A (en) * | 2014-05-08 | 2014-08-27 | 中航飞机股份有限公司西安飞机分公司 | Opening structure of airplane cabin door |
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| CN114263392A (en) | 2022-04-01 |
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