CN114412282B - Open type cargo compartment and cam linkage type compartment cover overturning and locking mechanism and overturning and locking method thereof - Google Patents
Open type cargo compartment and cam linkage type compartment cover overturning and locking mechanism and overturning and locking method thereof Download PDFInfo
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- CN114412282B CN114412282B CN202111603952.9A CN202111603952A CN114412282B CN 114412282 B CN114412282 B CN 114412282B CN 202111603952 A CN202111603952 A CN 202111603952A CN 114412282 B CN114412282 B CN 114412282B
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
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- Aviation & Aerospace Engineering (AREA)
- Lock And Its Accessories (AREA)
Abstract
An open cargo compartment and cam linkage type hatch cover overturning and locking mechanism and an overturning and locking method thereof relate to the technical field of hatch 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 unlocking, opening, closing, unlocking and locking, and the hatch cover can not be opened due to the simultaneous operation of the locking mechanism and the turnover mechanism. The power output end of the turnover transmission assembly is matched with the cam, and the hatch cover is turned over under the driving of the turnover transmission assembly; the locking or unlocking of the cabin cover and the cabin seat is realized through the front-end locking executing component under the driving of the front-end locking transmission component; the locking or unlocking of the cabin cover and the rear end of the cabin is realized through the rear end locking executing assembly under the driving of the rear end locking transmission assembly. The invention is used for satisfying the reliable connection of goods, pallets and the hatch cover body in the ascending process, has the functions of quick and stable unlocking, unlocking closing and locking, 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 carriers and the like, in particular to an open type cargo cabin and cam linkage type cabin cover overturning locking mechanism and an overturning locking method thereof.
Background
With the continuous development of manufacturing technology and space technology, cargo ships and space shuttle aircrafts are burdened with the 'space transport system'. The cargo ship has an open cargo hold function and is used for meeting the requirement of bidirectional movement of non-supercharged cargos. Due to the severe space environment, the longer the capsule is exposed to the space environment, the more difficult the capsule can provide safety guarantee for astronauts, so that the connecting mechanism of the capsule cover not only needs to provide reliable connection between goods and pallets and the airship body in the ascending process, but also has the functions of unlocking, opening, closing and locking quickly and stably.
In summary, the existing connecting mechanism for the hatch cover cannot meet the requirements of quick and stable unlocking, opening, closing and locking, and the problem that the hatch cover cannot be opened due to the fact that the locking mechanism and the turnover mechanism operate simultaneously may occur.
Disclosure of Invention
The invention aims to solve the problems that the existing connecting mechanism of the hatch cover cannot meet the requirements of quick and stable unlocking, opening, closing and locking and the hatch cover cannot be opened due to the fact that the locking mechanism and the turnover mechanism run simultaneously, and further provides an open type cargo hold, a cam linkage type hatch cover turnover locking mechanism and a turnover locking method thereof.
The technical scheme of the invention is as follows:
an open cargo hold comprises a hold seat 1, a hold cover 2, a hold rear end 3 and an overturning locking mechanism 4, wherein the hold seat 1 is horizontally arranged, the hold rear end 3 is vertically arranged at the rear end of the hold seat 1, the rear end of the hold seat 1 is fixedly connected with the front end of the hold rear end 3, the hold cover 2 is horizontally arranged right above the hold seat 1, the hold cover 2 is locked or unlocked with the hold seat 1 and the hold rear end 3 through the overturning locking mechanism 4, and the hold cover 2 is overturned with the hold rear end 3 through the overturning locking mechanism 4;
the cabin seat 1 comprises a cabin seat body 11, two pairs of lower lock bodies 12 and two pairs of reinforcing rib plates 13, wherein the two pairs of lower lock bodies 12 are sequentially arranged on the lower end surface of the outer edge of the top end of the left side and the right side of the cabin seat body 11 from front to back, the front end and the back end of each pair of lower lock bodies 12 are fixedly arranged on the cabin seat body 11 through the pair of reinforcing rib plates 13 respectively, the upper end surface of each lower lock body 12 is fixedly connected with the lower end surface of the outer edge of the top end of the cabin seat body 11, a lock groove 121 is formed in the upper end surface of each lower lock body 12 and the outer edge of the top end of the corresponding cabin seat body 11 along the vertical direction, and a guide through hole and a lower lock body pin hole which are communicated with the lock groove 121 are formed in the rear end surface of each lower lock body 12 along the horizontal direction;
the rear end 3 of the cabin comprises a rear end body 31 and a pair of locking plates 32, the middle part of the inner wall of the rear end body 31 of the cabin is provided with the pair of locking plates 32 which are bilaterally symmetrical, the end surface of each locking plate 32 is provided with a locking hole along the horizontal direction, and the middle part of the inner wall of the rear end body 31 of the cabin is provided with a pair of rack shaft assembly holes;
the hatch cover 2 comprises a hatch cover body 21, a pair of cams 23 and two pairs of upper lock bodies 22, wherein the upper end surfaces of the outer edges of the bottom ends of the left side and the right side of the hatch cover body 21 are sequentially provided with the two pairs of upper lock bodies 22 from front to back, the two pairs of upper lock bodies 22 are respectively corresponding to the two pairs of lower lock bodies 12 one by one, the upper end surface of each upper lock body 22 is fixedly connected with the lower end surface of the outer edge of the bottom end of the hatch cover body 21, the upper lock bodies 22 are inserted in locking grooves 121 of the lower lock bodies 12, the upper lock bodies 22 are in clearance fit with the locking grooves 121, the rear end surface of each upper lock body 22 is provided with an upper lock body pin hole which is coaxially arranged with the lower lock body pin hole of the lower lock body 12, the upper part of the inner wall of the rear end of the hatch cover body 21 is provided with a pair of left-right symmetrical cams 23, the cam 23 comprises a cam body 231 and a cam connecting part 232, the cam body 231 is of a circular plate-shaped structure, a cam pin hole is machined in the center of the end face of the cam body 231, the cam body 231 is fixedly connected with the inner wall of the rear end of the hatch cover body 21 through the cam connecting part 232, an arc-shaped upper positioning groove 2321 is machined at the connecting part of the upper part of the cam connecting part 232 and the cam body 231, an arc-shaped lower positioning groove 2322 is machined at the connecting part of the lower part of the cam connecting part 232 and the cam body 231, and a fan-shaped included angle formed by a connecting line of the upper positioning groove 2321 and the center of the cam body 231 and a connecting line of the lower positioning groove 2322 and the center of the cam body 231 is not more than 120 degrees.
A cam linkage type hatch cover overturning and locking mechanism comprises an overturning and locking mechanism 4, wherein the overturning and locking mechanism 4 comprises an overturning mechanism 41 and a locking mechanism 42;
the overturning mechanism 41 comprises an overturning shell 411 and an overturning transmission assembly, the overturning shell 411 is vertically arranged on one side, close to the rear end 3 of the cabin, in the cabin seat 1, the bottom end of the overturning shell 411 is fixedly connected with the cabin seat 1, the overturning transmission assembly is arranged on the overturning shell 411, the power output end of the overturning transmission assembly is matched with the cam 23 of the cabin cover 2, and the cabin cover 2 is overturned under the driving of the overturning transmission assembly;
the locking mechanism 42 comprises a front locking executing component, a front locking transmission component, a rear locking executing component and a rear locking transmission component; the front locking actuating assembly is arranged on the cabin seat 1, the power output end of the front locking transmission assembly is connected with the front locking actuating assembly, and the locking or unlocking between the cabin cover 2 and the cabin seat 1 is realized through the front locking actuating assembly under the driving of the front locking transmission assembly; the rear end locking execution assembly is arranged at the rear end 3 of the cabin, the power output end of the rear end locking transmission assembly is connected with the rear end locking execution assembly, and locking or unlocking between the cabin cover 2 and the rear end 3 of the cabin is achieved through the rear end locking execution assembly under the driving of the rear end locking transmission assembly.
A turnover locking method based on the cam linkage type hatch cover turnover locking mechanism, which is realized by the following steps,
step one, the motor inputs torque to complete the locking action of the hatch cover 2:
the motor provides input torque for locking the cabin cover 2, the motor drives the driving shaft 4121 to rotate, the driving shaft 4121 drives the driving bevel gear 41201 to rotate, the driving bevel gear 41201 transmits power to the driven bevel gear 41202, the driven bevel gear 41202 drives the first worm 41203 to rotate, the first worm 41203 rotates to transmit power to the first worm wheel 429 through worm and gear transmission, the first worm wheel 429 rotates to drive the double-threaded lead screw 428 to rotate, at the moment, the second worm wheel 41206 performs idle stroke movement, when the push rod 4126 mounted on the second worm wheel 41206 performs rotating movement by taking the pin shaft 4125 as the center, the cylindrical surface of the cam body 231 serves as a movement track of the push rod 4126, the push rod 4126 performs idle stroke movement on the movement track, the rotation of the double-threaded lead screw 428 drives the left and right nuts 422 thereon to simultaneously move outwards, the two nuts 422 drive the two rear end locking tongues 421 to move outwards along the axial direction of the double-threaded lead screw 428, so that the rear ends 4211 of the two rear end locking tongues 421 are inserted into the locking holes of the two locking plates 32, and the locking cabin cover 2 and the locking bolt 3 is completed;
meanwhile, the pinions 424 mounted at the two ends of the double-headed lead screw 428 rotate, the rotation of the two pinions 424 transmits power to the two rack shafts 425 through rack-and-pinion transmission, the two rack shafts 425 move forward to drive the front end bolt 4231 of the front end bolt 423 to be inserted into the lower lock body pin hole of the lower lock body 12 located in the middle and the lower lock body pin hole of the upper lock body 22, and meanwhile, the front end of the front section of the rack shaft 425 is inserted into the lower lock body pin hole of the lower lock body 12 located in the end and the lower lock body pin hole of the upper lock body 22 located in the end, so that the locking between the cabin cover 2 and the cabin 1 is completed;
step two, the motor inputs torque to complete the unlocking action of the hatch cover 2:
the motor provides input torque for unlocking the cabin cover 2, the motor drives the driving shaft 4121 to rotate, the driving shaft 4121 drives the driving bevel gear 41201 to rotate, the driving bevel gear 41201 transmits power to the driven bevel gear 41202, the driven bevel gear 41202 drives the first worm 41203 to rotate, the first worm 41203 rotates to transmit power to the first worm wheel 429 through worm and gear transmission, the first worm wheel 429 rotates to drive the double-threaded lead screw 428 to rotate, at the moment, the second worm wheel 41206 performs idle stroke movement, when the push rod 4126 mounted on the second worm wheel 41206 performs rotating movement by taking the pin shaft 4125 as the center, the cylindrical surface of the cam body 231 serves as a movement track of the push rod 4126, the push rod 4126 performs idle stroke movement on the movement track, the rotation of the double-threaded lead screw 428 drives the left and right nuts 422 on the double-threaded lead screw 428 to move inwards at the same time, the two nuts 422 drive the two rear end locking tongues 421 to move along the axial direction of the double-threaded lead screw 428, so that the rear ends 4211 of the two rear end locking tongues 421 are separated from the locking holes of the two locking plates 32, and the locking plates are unlocked cabin cover 2 and the rear end 3 is unlocked;
meanwhile, the pinions 424 mounted at the two ends of the double-headed lead screw 428 rotate, the rotation of the two pinions 424 transmits power to the two rack shafts 425 through rack-and-pinion transmission, the two rack shafts 425 move backwards to drive the front end bolt 4231 of the front end bolt 423 to be separated from the lower lock body pin hole of the lower lock body 12 positioned in the middle and the lower lock body pin hole of the upper lock body 22, and meanwhile, the front end of the front section of the rack shaft 425 is separated from the lower lock body pin hole of the lower lock body 12 positioned at the end and the lower lock body pin hole of the upper lock body 22 positioned at the end, so that the unlocking between the cabin cover 2 and the cabin base 1 is completed;
step three, the motor drives linkage to complete the overturning action of the hatch cover 2:
the motor provides input torque for overturning the cabin cover 2, the motor drives the driving shaft 4121 to rotate, the driving shaft 4121 drives the driving bevel gear 41201 to rotate, the driving bevel gear 41201 transmits power to the driven bevel gear 41202, the driven bevel gear 41202 drives the first worm 41203 to rotate, the short shaft 4123 is connected with the first worm 41203 through the first coupler 4122, so that the first worm 41203 can drive the short shaft 4123 to rotate, the short shaft 4123 is connected with the second worm 41205 through the second coupler 4124, so that the short shaft 4123 can drive the second worm 41205 to rotate, the rotation of the second worm 41205 transmits power to the second worm gear 41206 through worm gear transmission, the rotation of the second worm 41206 drives the pin shaft 4125 to rotate, at the moment, the push rod 4126 on the second worm 41206 reaches an unlocking state position, namely, the push rod 4126 is located at the arc-shaped position on the connecting part 232 and the cam body 231, at the second worm gear 41206 continues to transmit power to the cam push rod 4126, and the rear positioning groove 412 to push the cabin cover 412 to rotate;
the three steps of the cam linkage type hatch cover overturning and locking mechanism are repeated, so that the repeated unlocking and overturning actions of the hatch cover 2 are realized.
Compared with the prior art, the invention has the following effects:
1. the invention adopts a mode of inputting torque by an external motor, utilizes a cam linkage type hatch cover overturning and locking mechanism to realize the unlocking and locking states of the hatch cover 2 and realize the backward overturning action of the hatch cover 2 in a linkage manner, meets the requirement of providing reliable connection of goods, pallets and a hatch cover body in an ascending process, and has the functions of quickly and stably unlocking, opening, closing and locking, and the mechanism can realize linkage type unlocking and overturning;
2. the locking mechanism mainly comprises a front end bolt 423, a rear end bolt 421 and a rack shaft 425, wherein a double-end lead screw 428 drives a screw 422 and the rear end bolt 421 to move outwards (or inwards) along the axial direction of the double-end lead screw 428, so that rear end bolts 4211 of the two rear end bolts 421 are inserted into (or separated from) lock holes of the two lock plates 32, and locking (or unlocking) between the cabin cover 2 and the cabin rear end 3 is completed; the pinion 424 at the two ends of the double-headed lead screw 428 drives the two rack shafts 425 to move forwards (or backwards) to drive the front end bolt 4231 of the front end bolt 423 to be inserted into (or separated from) the lower lock body pin hole of the lower lock body 12 positioned at the middle part and the lower lock body pin hole of the upper lock body 22, and meanwhile, the front end of the front section of the rack shaft 425 is inserted into (or separated from) the lower lock body pin hole of the lower lock body 12 positioned at the end part and the lower lock body pin hole of the upper lock body 22, so that the locking (or unlocking) between the cabin cover 2 and the cabin 1 is completed.
3. The turnover mechanism of the invention adopts a cam type turnover mechanism to realize the turnover action of the hatch cover 2, and drives the push rod 4126 on the second worm gear 41206 to be in an unlocking state through the transmission of the worm gear and the worm wheel, and finally pushes the cam body 231 to realize the turnover action of the hatch cover 2.
Drawings
FIG. 1 is an isometric view of the cam-linked hatch cover flip-lock mechanism of the present invention applied to an open cargo compartment;
FIG. 2 is an isometric view of the cam-linked hatch turnover locking mechanism of the present invention;
FIG. 3 is an isometric view of canting mechanism 41 of the present invention;
FIG. 4 is an isometric view of the open cargo tank of the present invention with the skin of the tank cover 2 removed (one);
FIG. 5 is an enlarged view of a portion of FIG. 4 at I;
FIG. 6 is an enlarged fragmentary view of FIG. 4 at II;
FIG. 7 is an isometric view of the open cargo tank of the present invention with the skin of the tank cover 2 removed;
FIG. 8 is an enlarged view of a portion of FIG. 7 at III;
FIG. 9 is an isometric view of the open cargo tank of the present invention with the end plate of the rear end 3 of the tank removed;
fig. 10 is a partial enlarged view at iv of fig. 9.
In the figure: 1-cabin seat; 11-a pod seat body; 12-a lower lock body; 121-locking groove; 13-a reinforcing rib plate; 2-a hatch cover; 21-a hatch body; 22-an upper lock body; 23-a cam; 231-a cam body; 232-cam connection; 2321-upper positioning groove; 2322-lower positioning groove; 3-rear end of cabin; 31-a cabin rear end body; 32-a locking plate; 4-overturning the locking mechanism; 41-a turnover mechanism; 411-flip the housing; 4111-a web; 4112-wing plate; 4113-end plate; 4121-a drive shaft; 4122-first coupling; 4123-minor axis; 4124-a second coupling; 4125-pin axis; 4126-push rod; 41201 — drive bevel gear; 41202-driven bevel gear; 41203-a first worm; 41205-a second worm; 41206-a second worm gear; 42-a locking mechanism; 421-rear locking tongue; 4211-rear end bolt; 4212-rear bolt joint; 422-nut; 423-front end bolt; 4231-front end bolt; 4232-front end-block; 4233-middle guide bar; 4234-rear end block; 424-pinion gear; 425-rack shaft; 426-a seated spur bearing; 427-ball slides; 428-double-head lead screw; 429-a first worm gear; 43-a first screw; 44-second screw.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 10, and the open cargo compartment of the embodiment includes a compartment seat 1, a compartment cover 2, a compartment rear end 3 and a turning locking mechanism 4, wherein the compartment seat 1 is horizontally arranged, the compartment rear end 3 is vertically arranged at the rear end of the compartment seat 1, the rear end of the compartment seat 1 is fixedly connected with the front end of the compartment rear end 3, the compartment cover 2 is horizontally arranged right above the compartment seat 1, the compartment cover 2 is locked or unlocked with the compartment seat 1 and the compartment rear end 3 through the turning locking mechanism 4, and the compartment cover 2 is turned over with the compartment rear end 3 through the turning locking mechanism 4;
the cabin seat 1 comprises a cabin seat body 11, two pairs of lower lock bodies 12 and two pairs of reinforcing rib plates 13, wherein the two pairs of lower lock bodies 12 are sequentially arranged on the lower end surface of the outer edge of the top end of the left side and the right side of the cabin seat body 11 from front to back, the front end and the back end of each pair of lower lock bodies 12 are fixedly arranged on the cabin seat body 11 through the pair of reinforcing rib plates 13 respectively, the upper end surface of each lower lock body 12 is fixedly connected with the lower end surface of the outer edge of the top end of the cabin seat body 11, a lock groove 121 is formed in the upper end surface of each lower lock body 12 and the outer edge of the top end of the corresponding cabin seat body 11 along the vertical direction, and a guide through hole and a lower lock body pin hole which are communicated with the lock groove 121 are formed in the rear end surface of each lower lock body 12 along the horizontal direction;
the rear end 3 of the cabin comprises a rear end body 31 and a pair of locking plates 32, the middle part of the inner wall of the rear end body 31 of the cabin is provided with the pair of locking plates 32 which are bilaterally symmetrical, the end surface of each locking plate 32 is provided with a locking hole along the horizontal direction, and the middle part of the inner wall of the rear end body 31 of the cabin is provided with a pair of rack shaft assembly holes;
the hatch cover 2 comprises a hatch cover body 21, a pair of cams 23 and two pairs of upper lock bodies 22, wherein the upper end surfaces of the outer edges of the bottom ends of the left side and the right side of the hatch cover body 21 are sequentially provided with the two pairs of upper lock bodies 22 from front to back, the two pairs of upper lock bodies 22 are respectively corresponding to the two pairs of lower lock bodies 12 one by one, the upper end surface of each upper lock body 22 is fixedly connected with the lower end surface of the outer edge of the bottom end of the hatch cover body 21, the upper lock bodies 22 are inserted in locking grooves 121 of the lower lock bodies 12, the upper lock bodies 22 are in clearance fit with the locking grooves 121, the rear end surface of each upper lock body 22 is provided with an upper lock body pin hole which is coaxially arranged with the lower lock body pin hole of the lower lock body 12, the upper part of the inner wall of the rear end of the hatch cover body 21 is provided with a pair of left-right symmetrical cams 23, the cam 23 comprises a cam body 231 and a cam connecting part 232, the cam body 231 is of a circular plate-shaped structure, a cam pin hole is machined in the center of the end face of the cam body 231, the cam body 231 is fixedly connected with the inner wall of the rear end of the hatch cover body 21 through the cam connecting part 232, an arc-shaped upper positioning groove 2321 is machined at the connecting part of the upper part of the cam connecting part 232 and the cam body 231, an arc-shaped lower positioning groove 2322 is machined at the connecting part of the lower part of the cam connecting part 232 and the cam body 231, and a fan-shaped included angle formed by a connecting line of the upper positioning groove 2321 and the center of the cam body 231 and a connecting line of the lower positioning groove 2322 and the center of the cam body 231 is not more than 120 degrees.
The turnover locking mechanism 4 described in this embodiment is the same as the cam linkage type hatch turnover locking mechanism described in the second to tenth embodiments.
The second embodiment is as follows: the embodiment is described with reference to fig. 1 to 10, and the cam linkage type hatch cover overturn locking mechanism of the embodiment comprises an overturn locking mechanism 4, wherein the overturn locking mechanism 4 comprises an overturn mechanism 41 and a locking mechanism 42;
the overturning mechanism 41 comprises an overturning shell 411 and an overturning transmission assembly, the overturning shell 411 is vertically arranged on one side, close to the rear end 3 of the cabin, in the cabin seat 1, the bottom end of the overturning shell 411 is fixedly connected with the cabin seat 1, the overturning transmission assembly is arranged on the overturning shell 411, the power output end of the overturning transmission assembly is matched with the cam 23 of the cabin cover 2, and the cabin cover 2 is overturned under the driving of the overturning transmission assembly;
the locking mechanism 42 comprises a front locking execution assembly, a front locking transmission assembly, a rear locking execution assembly and a rear locking transmission assembly; the front locking actuating assembly is arranged on the cabin seat 1, the power output end of the front locking transmission assembly is connected with the front locking actuating assembly, and the locking or unlocking between the cabin cover 2 and the cabin seat 1 is realized through the front locking actuating assembly under the driving of the front locking transmission assembly; the rear end locking execution assembly is arranged at the rear end 3 of the cabin, the power output end of the rear end locking transmission assembly is connected with the rear end locking execution assembly, and locking or unlocking between the cabin cover 2 and the rear end 3 of the cabin is achieved through the rear end locking execution assembly under the driving of the rear end locking transmission assembly. So arranged, the turnover mechanism 41 is used for realizing the turnover action of the hatch cover 2; the locking or unlocking between the hatch 2 and the cabin 1 and between the hatch 2 and the cabin rear end 3 is effected by means of the locking mechanism 42, respectively. Other components and connections are the same as in the first embodiment.
The third concrete implementation mode: combine fig. 2 to explain this embodiment, the upset shell 411 of this embodiment includes web 4111, two pterygoid laminas 4112 and two end plates 4113, and web 4111 is vertical to be set up, and both ends difference fixed connection two vertical pterygoid laminas 4112 that set up relatively about web 4111, and both ends difference fixed connection two levels about web 4111 are relative to be set up end plate 4113, web 4111, two pterygoid laminas 4112 and two end plates 4113 formula structures as an organic whole. Other compositions and connections are the same as in the first or second embodiments.
The fourth concrete implementation mode: describing the present embodiment with reference to fig. 3, the tumble transmission assembly of the present embodiment includes a motor, a driving shaft 4121, a bevel gear pair, a first worm 41203, a first coupling 4122, a stub shaft 4123, a second coupling 4124, a second worm and worm gear mechanism, a pin shaft 4125, and a push rod 4126, the bevel gear pair includes a driving bevel gear 41201 and a driven bevel gear 41202; the second worm-and-worm gear mechanism comprises a second worm 41205 and a second worm wheel 41206;
the centers of the two end plates 4113 are respectively provided with an end plate shaft hole, the first worm 41203, the first coupling 4122, the short shaft 4123, the second coupling 4124 and the second worm 41205 are sequentially and coaxially connected from bottom to top along the vertical direction, the lower end of the first worm 41203 is rotatably inserted into the end plate shaft hole of the bottom end plate 4113, the upper end of the first worm 41203 is rotatably installed in the end plate shaft hole of the top end plate 4113, and the driven bevel gear 41202 is fixedly installed at the bottom shaft end of the first worm 41203;
two first wing plate shaft holes which are oppositely arranged are processed at the bottoms of the two wing plates 4112, the driving shaft 4121 is horizontally arranged right below the driven bevel gear 41202, two ends of the driving shaft 4121 are rotatably inserted into the first wing plate shaft holes of the two wing plates 4112, the driving bevel gear 41201 is arranged in the middle of the driving shaft 4121 through a flat key, the driving bevel gear 41201 is meshed with the driven bevel gear 41202, the shaft end of one end of the driving shaft 4121, which extends out of the wing plates 4112, is connected with an output shaft of a motor through a shaft coupling, and the motor is arranged on the cabin base 1;
two wing plate shaft holes which are arranged oppositely are processed on one side of the tops of the two wing plates 4112, which is close to the cabin rear end 3, a pin shaft 4125 is horizontally arranged on one side of a second worm 41205, which is close to the cabin rear end 3, two ends of the pin shaft 4125 are rotatably inserted in the second wing plate shaft holes of the two wing plates 4112, a second worm wheel 41206 is installed in the middle of the pin shaft 4125 through a flat key, the second worm wheel 41206 is meshed with a second worm 41205, a push rod assembly hole is processed on the second worm wheel 41206, a push rod 4126 is inserted in the push rod assembly hole, and the push rod assembly hole and the push rod 4126 are in interference fit. Other compositions and connection relationships are the same as in the first, second or third embodiment.
The fifth concrete implementation mode: referring to fig. 2, the turnover mechanism 41 of the present embodiment further includes a plurality of first screws 43, and the rear end of the turnover housing 411 is fixedly connected to the cabin rear end 3 through the plurality of first screws 43. Other compositions and connection relationships are the same as those in the first, second, third or fourth embodiment.
The sixth specific implementation mode: referring to fig. 2, the turnover mechanism 41 of the present embodiment further includes a plurality of second screws 44, and the bottom end of the turnover housing 411 is fixedly connected to the cabin 1 through the plurality of second screws 44. Other compositions and connection relations are the same as those of the first embodiment, the second embodiment, the third embodiment, the fourth embodiment or the fifth embodiment.
The seventh embodiment: the embodiment is described with reference to fig. 2, 7 and 8, the rear end locking execution assembly of the embodiment includes two rear end locking tongues 421, the two rear end locking tongues 421 are respectively sleeved on the screw rod bodies at the two ends of the double-end screw rod 428, each rear end locking tongue 421 includes a rear end bolt 4211 and a rear bolt connecting portion 4212, a screw rod assembly hole is processed at the front end of the rear bolt connecting portion 4212, one end of the rear bolt connecting portion 4212 is sleeved on the corresponding screw rod body, the other end of the rear bolt connecting portion 4212 is vertically and fixedly connected with a rear end bolt 4211, the rear end bolt 4211 is inserted into a lock hole of the lock plate 32 corresponding to the cabin rear end 3, and the rear end bolt 4211 and the lock hole are in clearance fit;
the rear end locking transmission assembly comprises a double-ended lead screw 428, a first worm wheel 429 and two nuts 422, two third wing plate shaft holes which are oppositely arranged are processed at one side of the bottoms of the two wing plates 4112 close to the cabin rear end 3, the double-ended lead screw 428 is horizontally arranged at one side of the first worm 41203 close to the cabin rear end 3, the double-ended lead screw 428 is formed by coaxially connecting lead screw bodies with optical axes in the middle and opposite screwing directions at two ends, the optical axis in the middle of the double-ended lead screw 428 is rotatably inserted into the third wing plate shaft holes of the two wing plates 4112, the lead screw bodies at the two ends of the optical axis are positioned at the outer sides of the two wing plates 4112, the first worm wheel 429 is installed in the middle of the optical axis of the double-ended lead screw 428 through a flat key, and the first worm wheel 429 is meshed with the first worm 41203; the two nuts 422 are respectively and spirally mounted on the screw body at the two ends of the double-ended screw 428, the inner side end surfaces of the two nuts 422 are respectively and fixedly connected with the rear bolt connection portions 4212 of the two rear end latches 421, when the double-ended screw 428 rotates under the action of the worm gear mechanism of the first worm wheel 429 and the first worm 41203, the two nuts 422 drive the two rear end latches 421 to move inwards or outwards along the axial direction of the double-ended screw 428, so that the rear end bolts 4211 of the two rear end latches 421 are separated from or inserted into the locking holes of the two locking plates 32. Other compositions and connection relationships are the same as in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: the front end locking transmission assembly of the present embodiment is described with reference to fig. 2 to 6, and includes two pinions 424, two rack shafts 425 and four branch bearings 426 with seats, the two pinions 424 are respectively mounted at the shaft ends at the two ends of the double-headed lead screw 428 through flat keys, the two rack shafts 425 are horizontally and symmetrically arranged below the top outer edges of the left and right sides of the cabin body 11 along the length direction of the cabin 1, the two ends of each rack shaft 425 are respectively mounted on the top outer edge of the cabin body 11 through the two branch bearings 426 with seats, the rack shafts 425 are in sliding fit with the branch bearings 426 with seats, racks are processed on the bottom surfaces of the two rack shafts 425 near the cabin rear end 3 along the length direction of the rack shafts 425, the racks of the two rack shafts 425 are respectively meshed with the two pinions 424, and when the two pinions 424 are driven by the double-headed lead screw 428 to rotate, the two rack shafts 425 move to the front side or the rear side under the action of the rack-and-pinion mechanisms of the two pinions 424 and two racks;
the front end locking execution assembly comprises two front end locking tongues 423, the rack shaft 425 is of a split structure, the rack shaft 425 comprises a rack shaft front section and a rack shaft rear section, the rack shaft front section and the rack shaft rear section of each rack shaft 425 are connected through one front end locking tongue 423, each front end locking tongue 423 comprises a front end bolt 4231 and a front bolt connecting part, each front bolt connecting part comprises a front end block 4232, a middle guide rod 4233 and a rear end block 4234, the tail end of each front end bolt 4231 is coaxially and fixedly connected with the head end of the rack shaft rear section, the head end of each front end bolt 4231 is inserted into a lower lock body pin hole of the lower lock body 12 in the middle and a lower lock body pin hole of the upper lock body 22, the distance between a pair of reinforcing rib plates 13 at the front end and the rear end of the lower lock body 12 is L1, the distance between the head end of each front end bolt 4231 and the tail end of the rack shaft front section of each rack shaft 425 is L2, and L1 is smaller than L2; a middle guide rod 4233 is arranged in parallel right below the rack shaft 425, the middle guide rod 4233 is inserted in a guide through hole of the lower lock body 12, one end of the middle guide rod 4233 is fixedly connected with the front section of the rack shaft 425 through a front end block 4232, the other end of the middle guide rod 4233 is fixedly connected with the rear section of the rack shaft 425 through a rear end block 4234, the length of a front end bolt 4231 is L3, the length of the middle guide rod 4233 is L4, and L3+ L1 is less than L4; the front end of the rack shaft of each rack shaft 425 is inserted into the lower lock pin hole of the lower lock 12 and the lower lock pin hole of the upper lock 22 at the end. With such arrangement, when the hatch 2 is in the unlocked state, the lower lock body 12 is completely located in a gap formed between the front end bolt 4231 and the front section of the rack shaft, so that the upper lock body 22 can be smoothly separated from the lower lock body 12 when the hatch 2 is turned over; when the hatch 2 is in the locked state, the front end latch 4231 is inserted into the upper latch body 22 and the lower latch body 12, so that the upper latch body 22 cannot be disengaged from the lower latch body 12 when the hatch 2 is not flipped. 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: referring to fig. 1 and 2, the locking mechanism 42 of the present embodiment further includes two ball sliders 427, a sliding groove is formed on a top surface of one end of each of the two rack shafts 425 near the rear end 3 of the housing along a longitudinal direction of the rack shaft 425, a ball receiving groove is formed on a bottom surface of the sliding groove along the longitudinal direction, bottom ends of the two ball sliders 427 are connected to the ball receiving grooves of the two rack shafts 425 by rolling balls, and top ends of the two ball sliders 427 are fixedly connected to outer edges of the bottom ends of the left and right sides of the housing cover 2. With such an arrangement, the two end faces of the sliding groove on the rack shaft 425 can play a role in limiting the movement of the ball slider 427, and further can be used for limiting the maximum movement distance of the rack shaft 425. 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 10, and the turnover locking method based on the cam linkage type hatch turnover locking mechanism of the embodiment is realized by the following steps,
step one, the motor inputs torque to complete the locking action of the hatch cover 2:
the motor provides input torque for locking the cabin cover 2, the motor drives the driving shaft 4121 to rotate, the driving shaft 4121 drives the driving bevel gear 41201 to rotate, the driving bevel gear 41201 transmits power to the driven bevel gear 41202, the driven bevel gear 41202 drives the first worm 41203 to rotate, the first worm 41203 rotates to transmit power to the first worm wheel 429 through worm and gear transmission, the first worm wheel 429 rotates to drive the double-threaded lead screw 428 to rotate, at the moment, the second worm wheel 41206 performs idle stroke movement, when the push rod 4126 mounted on the second worm wheel 41206 performs rotating movement by taking the pin shaft 4125 as the center, the cylindrical surface of the cam body 231 serves as a movement track of the push rod 4126, the push rod 4126 performs idle stroke movement on the movement track, the rotation of the double-threaded lead screw 428 drives the left and right nuts 422 on the double-threaded lead screw 428 to simultaneously perform outward movement, the two nuts 422 drive the two rear end locking tongues 421 to move outward along the axial direction of the double-threaded lead screw 428, so that the rear end bolts 4211 of the two rear end locking tongues 421 are inserted into the locking holes of the two locking plates 32, and locking between the cabin cover 2 and the rear end 3 is completed;
meanwhile, the pinions 424 installed at both ends of the double-ended lead screw 428 rotate, the rotation of the two pinions 424 transmits power to the two rack shafts 425 through rack-and-pinion transmission, the two rack shafts 425 move forward to drive the front end bolt 4231 of the front end bolt 423 to be inserted into the lower lock body pin hole of the lower lock body 12 and the lower lock body pin hole of the upper lock body 22 which are located in the middle, and meanwhile, the front end of the rack shaft 425 is inserted into the lower lock body pin hole of the lower lock body 12 and the lower lock body pin hole of the upper lock body 22 which are located in the end, so that the locking between the cabin cover 2 and the cabin 1 is completed;
step two, the motor inputs torque to complete the unlocking action of the hatch cover 2:
the motor provides input torque for unlocking the cabin cover 2, the motor drives the driving shaft 4121 to rotate, the driving shaft 4121 drives the driving bevel gear 41201 to rotate, the driving bevel gear 41201 transmits power to the driven bevel gear 41202, the driven bevel gear 41202 drives the first worm 41203 to rotate, the first worm 41203 rotates to transmit power to the first worm wheel 429 through worm and gear transmission, the first worm wheel 429 rotates to drive the double-threaded lead screw 428 to rotate, at the moment, the second worm wheel 41206 performs idle stroke movement, when the push rod 4126 mounted on the second worm wheel 41206 performs rotating movement by taking the pin shaft 4125 as the center, the cylindrical surface of the cam body 231 serves as a movement track of the push rod 4126, the push rod 4126 performs idle stroke movement on the movement track, the rotation of the double-threaded lead screw 428 drives the left and right nuts 422 on the double-threaded lead screw 428 to move inwards at the same time, the two nuts 422 drive the two rear end locking tongues 421 to move along the axial direction of the double-threaded lead screw 428, so that the rear ends 4211 of the two rear end locking tongues 421 are separated from the locking holes of the two locking plates 32, and the locking plates are unlocked cabin cover 2 and the rear end 3 is unlocked;
meanwhile, the pinions 424 mounted at the two ends of the double-headed lead screw 428 rotate, the rotation of the two pinions 424 transmits power to the two rack shafts 425 through rack-and-pinion transmission, the two rack shafts 425 move backwards to drive the front end bolt 4231 of the front end bolt 423 to be separated from the lower lock body pin hole of the lower lock body 12 positioned in the middle and the lower lock body pin hole of the upper lock body 22, and meanwhile, the front end of the front section of the rack shaft 425 is separated from the lower lock body pin hole of the lower lock body 12 positioned at the end and the lower lock body pin hole of the upper lock body 22 positioned at the end, so that the unlocking between the cabin cover 2 and the cabin base 1 is completed;
step three, the motor drives linkage to complete the overturning action of the hatch cover 2:
the motor provides input torque for overturning the cabin cover 2, the motor drives the driving shaft 4121 to rotate, the driving shaft 4121 drives the driving bevel gear 41201 to rotate, the driving bevel gear 41201 transmits power to the driven bevel gear 41202, the driven bevel gear 41202 drives the first worm 41203 to rotate, the short shaft 4123 is connected with the first worm 41203 through the first coupler 4122, so that the first worm 41203 can drive the short shaft 4123 to rotate, the short shaft 4123 is connected with the second worm 41205 through the second coupler 4124, so that the short shaft 4123 can drive the second worm 41205 to rotate, the rotation of the second worm 41205 transmits the power to the second worm wheel 41206 through worm gear transmission, the rotation of the second worm wheel 41206 drives the pin shaft 4125 to rotate, the push rod 4126 on the second worm wheel 41206 reaches an unlocking state position, namely, the push rod 4126 is located at the position of the arc-shaped positioning groove 2321 where the upper part of the cam connecting part 232 is connected with the cam body 231, and the second worm wheel 41206 continues to transmit the power to the cabin cover 4126, so that the cam body 412 rotates backwards;
because the first worm wheel 429 and the second worm wheel 41206 are simultaneously transmitted with power, the first worm wheel 429 realizes the locking state or the unlocking state of the hatch cover 2, and the second worm wheel 41206 realizes the backward overturning action of the hatch cover 2, the unlocking and overturning actions of the hatch cover 2 are completed in a linkage manner, so that the cam linkage type hatch cover overturning locking mechanism is formed;
the three steps of the cam linkage type hatch cover overturning and locking mechanism are repeated, so that the repeated unlocking and overturning actions of the hatch cover 2 are realized. Other compositions and connections are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth embodiments.
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 should 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. An open cargo tank characterized by: the locking and unlocking device comprises a cabin seat (1), a cabin cover (2), a cabin rear end (3) and a turnover locking mechanism (4), wherein the cabin seat (1) is horizontally arranged, the cabin rear end (3) is vertically arranged at the rear end of the cabin seat (1), the rear end of the cabin seat (1) is fixedly connected with the front end of the cabin rear end (3), the cabin cover (2) is horizontally arranged right above the cabin seat (1), the cabin cover (2) is locked or unlocked with the cabin seat (1) and the cabin rear end (3) through the turnover locking mechanism (4), and the cabin cover (2) is turned over with the cabin rear end (3) through the turnover locking mechanism (4);
the cabin seat (1) comprises a cabin seat body (11), two pairs of lower lock bodies (12) and two pairs of reinforcing rib plates (13), wherein the two pairs of lower lock bodies (12) are sequentially arranged on the lower end faces of the top outer edges of the left side and the right side of the cabin seat body (11) from front to back, the front end and the rear end of each pair of lower lock bodies (12) are fixedly arranged on the cabin seat body (11) through the pair of reinforcing rib plates (13) respectively, the upper end face of each lower lock body (12) is fixedly connected with the lower end face of the top outer edge of the cabin seat body (11), lock grooves (121) are processed on the upper end face of each lower lock body (12) and the corresponding top outer edge of the cabin seat body (11) along the vertical direction, and guide through holes and lower lock body pin holes communicated with the lock grooves (121) are processed on the rear end face of each lower lock body (12) along the horizontal direction;
the rear end (3) of the cabin comprises a rear end body (31) of the cabin and a pair of locking plates (32), the middle part of the inner wall of the rear end body (31) of the cabin is provided with the pair of locking plates (32) which are bilaterally symmetrical, the end face of each locking plate (32) is provided with a locking hole along the horizontal direction, and the middle part of the inner wall of the rear end body (31) of the cabin is provided with a pair of rack shaft assembling holes;
the hatch cover (2) comprises a hatch cover body (21), a pair of cams (23) and two pairs of upper lock bodies (22), wherein 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 (21) are sequentially provided with the two pairs of upper lock bodies (22) from front to back, the two pairs of upper lock bodies (22) are respectively in one-to-one correspondence with the two pairs of lower lock bodies (12), the upper end face of each upper lock body (22) is fixedly connected with the lower end face of the outer edge of the bottom end of the hatch cover body (21), the upper lock bodies (22) are inserted into lock grooves (121) of the lower lock bodies (12), the upper lock bodies (22) are in clearance fit with the lock grooves (121), upper lock body pin holes which are coaxially arranged with lower lock body pin holes of the lower lock bodies (12) are machined in the rear end face of the upper lock body (22), and a pair of cams (23) which are symmetrical left and right are arranged on the upper portion of the inner wall of the rear end of the hatch cover body (21);
the cam (23) comprises a cam body (231) and a cam connecting part (232), the cam body (231) is of a circular plate-shaped structure, a cam pin hole is formed in the center of the end face of the cam body (231), the cam body (231) is fixedly connected with the inner wall of the rear end of the cabin cover body (21) through the cam connecting part (232), an arc-shaped upper positioning groove (2321) is formed in the connecting position of the upper part of the cam connecting part (232) and the cam body (231), an arc-shaped lower positioning groove (2322) is formed in the connecting position of the lower part of the cam connecting part (232) and the cam body (231), and a fan-shaped included angle formed by a connecting line between the upper positioning groove (2321) and the center of the cam body (231) and a connecting line between the lower positioning groove (2322) and the center of the cam body (231) is not larger than 120 degrees.
2. The utility model provides a cam coordinated type hatch cover upset locking mechanism which characterized in that: the turnover locking mechanism comprises a turnover locking mechanism (4), wherein the turnover locking mechanism (4) comprises a turnover mechanism (41) and a locking mechanism (42);
the turnover mechanism (41) comprises a turnover shell (411) and a turnover transmission assembly, the turnover shell (411) is vertically arranged on one side, close to the rear end (3) of the cabin, of the cabin seat (1), the bottom end of the turnover shell (411) is fixedly connected with the cabin seat (1), the turnover transmission assembly is arranged on the turnover shell (411), the power output end of the turnover transmission assembly is matched with a cam (23) of the cabin cover (2), the cam (23) comprises a cam body (231) and a cam connecting part (232), the cam body (231) is of a circular plate-shaped structure, a cam pin hole is machined in the center of the end face of the cam body (231), the cam body (231) is fixedly connected with the inner wall of the rear end of the cabin cover body (21) through the cam connecting part (232), an arc-shaped upper positioning slot (2321) is machined at the connecting part of the upper part of the cam connecting part (232) and the cam body (231), an arc-shaped lower positioning slot (2322) is machined at the connecting part of the lower part of the cam connecting part (232) and the cam body (231), and an included angle formed by the connecting line of the turnover transmission assembly, wherein the upper positioning slot (2321) and the lower positioning slot (2322) and the lower positioning slot (231) are not larger than the angle formed by the turnover transmission assembly;
the locking mechanism (42) comprises a front end locking execution assembly, a front end locking transmission assembly, a rear end locking execution assembly and a rear end locking transmission assembly; the front-end locking executing assembly is arranged on the cabin seat (1), the power output end of the front-end locking transmission assembly is connected with the front-end locking executing assembly, and locking or unlocking between the cabin cover (2) and the cabin seat (1) is realized through the front-end locking executing assembly under the driving of the front-end locking transmission assembly; the rear end locking execution assembly is arranged at the rear end (3) of the cabin, the power output end of the rear end locking transmission assembly is connected with the rear end locking execution assembly, and locking or unlocking between the cabin cover (2) and the rear end (3) of the cabin is achieved through the rear end locking execution assembly under the driving of the rear end locking transmission assembly.
3. The cam-linkage hatch turnover locking mechanism of claim 2, characterized in that: upset shell (411) includes web (4111), two pterygoid laminas (4112) and two end plates (4113), web (4111) vertical setting, pterygoid laminas (4112) of two vertical relative settings of fixed connection respectively in both ends about web (4111), end plate (4113) that two levels of fixed connection respectively set up relatively about web (4111), two pterygoid laminas (4112) and two end plates (4113) formula structure as an organic whole.
4. The cam-linkage hatch turnover locking mechanism of claim 2 or 3, characterized in that: the overturning transmission assembly comprises a motor, a driving shaft (4121), a bevel gear pair, a first worm (41203), a first coupler (4122), a short shaft (4123), a second coupler (4124), a second worm and worm gear mechanism, a pin shaft (4125) and a push rod (4126), wherein the bevel gear pair comprises a driving bevel gear (41201) and a driven bevel gear (41202); the second worm-and-worm gear mechanism comprises a second worm (41205) and a second worm wheel (41206);
end plate shaft holes are formed in the centers of the two end plates (4113), a first worm (41203), a first coupler (4122), a short shaft (4123), a second coupler (4124) and a second worm (41205) are sequentially and coaxially connected from bottom to top in the vertical direction, the lower end of the first worm (41203) is rotatably inserted into the end plate shaft hole of the bottom end plate (4113), the upper end of the first worm (41203) is rotatably installed in the end plate shaft hole of the top end plate (4113), and a driven bevel gear (41202) is fixedly installed at the bottom shaft end of the first worm (41203);
two first wing plate shaft holes which are oppositely arranged are processed at the bottoms of the two wing plates (4112), the driving shaft (4121) is horizontally arranged right below the driven bevel gear (41202), two ends of the driving shaft (4121) are rotatably inserted into the first wing plate shaft holes of the two wing plates (4112), the driving bevel gear (41201) is arranged in the middle of the driving shaft (4121) through a flat key, the driving bevel gear (41201) is meshed with the driven bevel gear (41202), the shaft end of one end of the driving shaft (4121) extends out of the wing plates (4112) and is connected with an output shaft of a motor through a shaft coupling, and the motor is arranged on the cabin seat (1);
two second wing plate shaft holes which are arranged oppositely are processed on one side, close to the cabin rear end (3), of the tops of the two wing plates (4112), a pin shaft (4125) is horizontally arranged on one side, close to the cabin rear end (3), of a second worm (41205), two ends of the pin shaft (4125) are rotatably inserted into the second wing plate shaft holes of the two wing plates (4112), a second worm wheel (41206) is installed in the middle of the pin shaft (4125) through a flat key, the second worm wheel (41206) is meshed with a second worm (41205), a push rod assembling hole is processed in the second worm wheel (41206), a push rod (4126) is inserted into the push rod assembling hole, and the push rod assembling hole and the push rod (4126) are in interference fit.
5. The cam-linkage hatch turnover locking mechanism of claim 4, characterized in that: the turnover mechanism (41) further comprises a plurality of first screws (43), and the rear end of the turnover shell (411) is fixedly connected with the rear end (3) of the cabin through the plurality of first screws (43).
6. The mechanism of claim 2, 3 or 5, wherein: the turnover mechanism (41) further comprises a plurality of second screws (44), and the bottom end of the turnover shell (411) is fixedly connected with the cabin base (1) through the plurality of second screws (44).
7. The cam-linkage hatch flip-lock mechanism of claim 6, characterized in that: the rear end locking execution assembly comprises two rear end locking tongues (421), the two rear end locking tongues (421) are respectively sleeved on the screw rod bodies at the two ends of the double-end screw rod (428), each rear end locking tongue (421) comprises a rear end bolt (4211) and a rear bolt connecting part (4212), a screw rod assembly hole is processed at the front end of each rear bolt connecting part (4212), one end of each rear bolt connecting part (4212) is sleeved on the corresponding screw rod body, the other end of each rear bolt connecting part (4212) is vertically and fixedly connected with a rear end bolt (4211), the rear end bolt (4211) is inserted into a lock hole of the lock plate (32) corresponding to the rear end (3) of the cabin, and the rear end bolts (4211) are in clearance fit with the lock holes;
the rear end locking transmission assembly comprises a double-end lead screw (428), a first worm wheel 429 and two nuts (422), two third wing plate shaft holes which are oppositely arranged are machined in one side, close to the rear end (3) of the cabin, of the bottoms of the two wing plates (4112), the double-end lead screw (428) is horizontally arranged on one side, close to the rear end (3) of the cabin, of the first worm (41203), the double-end lead screw (428) is formed by coaxially connecting lead screw bodies with optical axes in the middle and opposite rotation directions at two ends, the optical axis in the middle of the double-end lead screw (428) can be rotatably inserted into the third wing plate shaft holes of the two wing plates (4112), the lead screw bodies at two ends of the optical axis are located on the outer sides of the two wing plates (4112), the first worm wheel 429 is installed in the middle of the optical axis of the double-end lead screw (428) through a flat key, and the first worm wheel 429 is meshed with the first worm (41203); the two nuts (422) are respectively and spirally mounted on the screw rod bodies at two ends of the double-end screw rod (428), the end surfaces of the inner sides of the two nuts (422) are respectively and fixedly connected with the rear bolt connecting parts (4212) of the two rear end locking tongues (421), when the double-end screw rod (428) rotates under the action of the worm gear mechanism of the first worm gear 429 and the first worm gear (41203), the two nuts (422) drive the two rear end locking tongues (421) to move inwards or outwards along the axial direction of the double-end screw rod (428), so that the rear end bolts (4211) of the two rear end locking tongues (421) are separated from or inserted into the locking holes of the two locking plates (32).
8. The cam-linkage hatch turnover locking mechanism of claim 7, characterized in that: the front end locking transmission assembly comprises two pinions (424), two rack shafts (425) and four branch bearings (426) with seats, the two pinions (424) are respectively installed at the shaft ends at the two ends of the double-end lead screw (428) through flat keys, the two rack shafts (425) are horizontally and symmetrically arranged below the outer edges of the top ends of the left side and the right side of the cabin body (11) along the length direction of the cabin (1), the two ends of each rack shaft (425) are respectively installed on the outer edges of the top ends of the cabin body (11) through the two branch bearings (426) with seats, the rack shafts (425) are in sliding fit with the branch bearings (426) with seats, racks are processed on the bottom surface of one end, close to the rear end (3) of the cabin, of the two rack shafts (425) along the length direction of the rack shafts (425), the racks of the two rack shafts (425) are respectively meshed with the two pinions (424), and when the two pinions (424) rotate under the driving of the double-end lead screw (428), the two pinions (424) move towards the front side or towards the rear side;
the front end locking execution assembly comprises two front end lock tongues (423), a rack shaft (425) is of a split structure, the rack shaft (425) comprises a rack shaft front section and a rack shaft rear section, the rack shaft front section and the rack shaft rear section of each rack shaft (425) are connected through one front end lock tongue (423), each front end lock tongue (423) comprises a front end bolt (4231) and a front bolt connecting part, each front bolt connecting part comprises a front end bolt (4232), a middle guide rod (4233) and a rear end bolt (4234), the tail end of each front end bolt (4231) is coaxially and fixedly connected to the head end of the rack shaft rear section, the head end of each front end bolt (4231) is inserted into a lower lock body pin hole of a lower lock body (12) in the middle and a lower lock body pin hole of an upper lock body (22), the distance between a pair of reinforcing rib plates (13) at the front end and the rear end of the lower lock body (12) is L1, the distance between the head end bolt (4231) and the rack shaft front end section of the rack shaft (425) is L2, and the tail end of the rack shaft (425); a middle guide rod (4233) is arranged right below the rack shaft (425) in parallel, the middle guide rod (4233) is inserted into a guide through hole of the lower lock body (12), one end of the middle guide rod (4233) is fixedly connected with the front section of the rack shaft (425) through a front end block (4232), the other end of the middle guide rod (4233) is fixedly connected with the rear section of the rack shaft (425) through a rear end block (4234), the length of a front end bolt (4231) is L3, the length of the middle guide rod (4233) is L4, and L3+ L1 is less than L4; the front end of the rack shaft front section of each rack shaft (425) is inserted into a lower lock body pin hole of a lower lock body (12) and a lower lock body pin hole of an upper lock body (22) which are positioned at the end parts.
9. The cam-linkage hatch flip-lock mechanism of claim 8, characterized in that: the locking mechanism (42) further comprises two ball sliding blocks (427), sliding grooves are machined in the top faces, close to the cabin rear end (3), of the two rack shafts (425) along the length direction of the rack shafts (425), ball containing grooves are machined in the groove bottoms of the sliding grooves along the length direction, the bottom ends of the two ball sliding blocks (427) are in rolling connection with the ball containing grooves of the two rack shafts (425) through balls, and the top ends of the two ball sliding blocks (427) are fixedly connected with the outer edges of the bottom ends of the left side and the right side of the cabin cover (2).
10. A turnover locking method based on the cam linkage type hatch cover turnover locking mechanism disclosed by claim 9, which is characterized in that: the overturning locking method of the cam linkage type hatch cover overturning locking mechanism is realized by the following steps,
step one, the motor inputs torque to complete locking action of the hatch cover (2):
the motor provides input torque for locking the cabin cover (2), the motor drives a driving shaft (4121) to rotate, the driving shaft (4121) drives a driving bevel gear (41201) to rotate, the driving bevel gear (41201) transmits power to a driven bevel gear (41202), the driven bevel gear (41202) rotates to drive a first worm (41203) to rotate, the first worm (41203) rotates to transmit power to a first worm wheel 429 through worm and gear transmission, the first worm wheel 429 rotates to drive a double-headed lead screw (428) to rotate, the second worm wheel (41206) performs idle stroke motion, when a push rod (4126) mounted on the second worm wheel (41206) performs rotary motion by taking a pin shaft (4125) as a center, a cylindrical surface of a cam body (231) serves as a motion track of the push rod (4126), the push rod (4126) performs idle stroke motion on the motion track, the double-headed lead screw (428) rotates to drive a left screw nut (422) and a right screw nut (422) on the double-headed lead screw (41206) to perform idle stroke motion simultaneously, and two screw bolts (422) at the left end and right screw nut (421) of the double-end lock tongue (421) move outwards, and two rear end lock tongues (422) at the rear end of the rear lock hole (4211) are driven by the two screw plate along the direction of the locking bolt (4211) inserted into the locking hole;
meanwhile, pinions (424) arranged at two ends of the double-headed lead screw (428) rotate, the rotation of the two pinions (424) transmits power to two rack shafts (425) through rack-and-pinion transmission, the two rack shafts (425) move forwards to drive a front end bolt (4231) of a front end bolt (423) to be inserted into a lower lock body pin hole of the lower lock body (12) in the middle and a lower lock body pin hole of the upper lock body (22), and meanwhile, the front end of the rack shaft front section of each rack shaft (425) is inserted into the lower lock body pin hole of the lower lock body (12) in the end and the lower lock body pin hole of the upper lock body (22), so that the locking between the cabin cover (2) and the cabin seat (1) is completed;
step two, the motor inputs torque to complete the unlocking action of the hatch cover (2):
the motor provides input torque for unlocking the cabin cover (2), the motor drives the driving shaft (4121) to rotate, the driving shaft (4121) rotates to drive the driving bevel gear (41201) to rotate, the driving bevel gear (41201) transmits power to the driven bevel gear (41202), the driven bevel gear (41202) rotates to drive the first worm (41203) to rotate, the first worm (41203) rotates to transmit power to the first worm wheel 429 through worm and gear transmission, the first worm wheel 429 rotates to drive the double-headed lead screw (428) to rotate, the second worm wheel (41206) performs idle stroke movement, when the push rod (4126) mounted on the second worm wheel (41206) performs rotary movement by taking the pin shaft (4125) as the center, the cylindrical surface of the cam body (231) towards the inner side serves as a movement track of the push rod (4126), the push rod (4126) performs idle stroke movement on the movement track, the rotation of the double-headed lead screw (428) drives the left and right screw nuts (422) on the upper surface of the double-headed lead screw (41206) to perform idle stroke movement simultaneously, the two screw bolts (421) drive the two rear end lock tongues to perform movement along the direction of the rear lock tongue (4211) which unlocks (421), and the rear end lock plate (4211) which unlocks (4211) which separates from the rear end;
meanwhile, pinions (424) arranged at two ends of the double-headed lead screw (428) rotate, the rotation of the two pinions (424) transmits power to two rack shafts (425) through rack-and-pinion transmission, the two rack shafts (425) move backwards to drive a front end bolt (4231) of a front end bolt (423) to be separated from a lower lock body pin hole of a lower lock body (12) positioned in the middle and a lower lock body pin hole of an upper lock body (22), and meanwhile, the front end of the front section of the rack shaft (425) is separated from the lower lock body pin hole of the lower lock body (12) positioned at the end and the lower lock body pin hole of the upper lock body (22) positioned at the end, so that the unlocking between the cabin cover (2) and the cabin seat (1) is completed;
step three, the motor drives linkage to complete the overturning action of the hatch cover (2):
the motor provides input torque for overturning the cabin cover (2), the motor drives the driving shaft (4121) to rotate, the driving shaft (4121) rotates to drive the driving bevel gear (41201) to rotate, the driving bevel gear (41201) transmits power to the driven bevel gear (41202), the driven bevel gear (41202) rotates to drive the first worm (41203) to rotate, the short shaft (4123) is connected with the first worm (41203) through the first coupler (4122), so that the first worm (41203) can drive the short shaft (4123) to rotate, the short shaft (4123) and the second worm (41205) are connected through the second coupler (4124), so that the short shaft (4123) can drive the second worm (41205) to rotate, the rotation of the second worm (41205) transmits power to the second worm wheel (41206) through the push rod worm gear transmission, the rotation of the second worm wheel (41206) drives the second worm wheel (4125) to rotate, the pin shaft (206) reaches the position where the second worm wheel (4126) is located on the push rod worm wheel (4126), and the cam connecting portion (4126) is connected with the second push rod (4126) and the cam locating groove (4126) is connected towards the rear side;
the three steps of the cam linkage type hatch cover overturning and locking mechanism are repeated, so that the repeated unlocking and overturning actions of the hatch cover (2) are realized.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111603952.9A CN114412282B (en) | 2021-12-24 | 2021-12-24 | Open type cargo compartment and cam linkage type compartment cover overturning and locking mechanism and overturning and locking method thereof |
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| CN202111603952.9A CN114412282B (en) | 2021-12-24 | 2021-12-24 | Open type cargo compartment and cam linkage type compartment cover overturning and locking mechanism and overturning and locking method thereof |
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| CN102338537B (en) * | 2010-07-22 | 2015-11-25 | 博西华家用电器有限公司 | Household electrical appliance |
| CN103754288A (en) * | 2013-12-04 | 2014-04-30 | 海丰通航科技有限公司 | Movable heliport |
| CN104494708B (en) * | 2014-07-25 | 2016-10-12 | 新兴重工湖北三六一一机械有限公司 | A kind of concealed vehicle mounted cabin of hatch door flip vertical |
| EP3701108A1 (en) * | 2017-10-25 | 2020-09-02 | Bombardier Inc. | Aircraft door lock and method |
| CN109533341B (en) * | 2018-09-20 | 2023-05-16 | 广东工业大学 | Logistics aircraft and cargo hold, control system and control method for automatic docking and detaching of logistics aircraft and cargo hold |
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