CN112942030A

CN112942030A - Upturning door locking device and paver

Info

Publication number: CN112942030A
Application number: CN202110392930.6A
Authority: CN
Inventors: 肖厚韬; 陈维
Original assignee: Hunan Sany Road Machinery Co Ltd
Current assignee: Hunan Sany Road Machinery Co Ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-06-11

Abstract

The application provides an upper turnover door body locking device and a paver. Wherein, it includes to go up upset door locking means: the sliding chute mechanism is provided with a sliding chute, the sliding chute comprises a linear groove section and a curved groove section, the head end and the tail end of the curved groove section are both connected with the same end of the linear groove section, and a locking structure is arranged at a position, far away from the linear groove section, in the curved groove section; one end of the supporting rod is provided with a connecting point for being rotatably connected with the supporting structure, and the other end of the supporting rod is provided with a sliding block in sliding fit with the sliding groove; the sliding groove mechanism can be connected with the upper turnover door body, the sliding block slides along the sliding groove in the opening and closing process of the upper turnover door body and can be matched with the locking structure, and the upper turnover door body is locked in an opening state. In the technical scheme of this application, simplified overall structure, simple and convenient, easily operation need not the manual work and operates slider and spout mechanism, can effectively prevent the incident that the manual operation in-process causes because of the whereabouts of going up the turnover door body by oneself.

Description

Upturning door locking device and paver

Technical Field

The application relates to the technical field of door body locking devices, in particular to an upper turnover door body locking device and a paver.

Background

Some construction machines or vehicles are currently equipped with a door that can be flipped up to open or close by flipping the door, such as a side door of a paving machine. Due to the influence of the self gravity of the door body, the door body needs to be kept locked in an open state by adopting a corresponding locking mechanism so as to prevent the door body from falling under the action of gravity. The utility model provides a manual locking mechanical system of paver side door, when the door body is in the open mode, round hole through sliding pin and locking groove and lockplate forms the cooperation, the realization is to the locking of the door body, nevertheless need make round hole and sliding pin cooperation locking or unblock through manual operation lockplate in this scheme, and still need manual operation to put connecting rod roll-off draw-in groove point after the unblock, the operation is inconvenient, and the structure is complicated relatively, need support the door body in order to prevent the door body from whereabouts by oneself in the operation process, there is certain potential safety hazard.

Disclosure of Invention

According to an embodiment of the present invention, it is intended to improve at least one of technical problems existing in the prior art or the related art.

To this end, it is an object according to an embodiment of the present invention to provide an upper-flap door body lock apparatus.

It is another object of an embodiment according to the present invention to provide a paving machine.

In order to achieve the above object, according to an embodiment of a first aspect of the present invention, there is provided an upturning door locking apparatus including: the sliding chute mechanism is provided with a sliding chute, the sliding chute comprises a linear groove section and a curved groove section, the head end and the tail end of the curved groove section are both connected with the same end of the linear groove section, and a locking structure is arranged at a position, far away from the linear groove section, in the curved groove section; one end of the supporting rod is provided with a connecting point for being rotatably connected with the supporting structure, and the other end of the supporting rod is provided with a sliding block in sliding fit with the sliding groove; the sliding groove mechanism can be connected with the upper turnover door body, the sliding block slides along the sliding groove in the opening and closing process of the upper turnover door body and can be matched with the locking structure, and the upper turnover door body is locked in an opening state.

According to an embodiment of the first aspect of the present invention, the upper-flap door-body locking device includes a chute mechanism and a support bar. One end of the supporting rod is provided with a connecting point (such as a hinge hole) for being matched with a supporting structure (such as a frame) so as to form rotary connection with the supporting structure when being assembled; the other end of bracing piece is equipped with the slider for with spout mechanism cooperation, spout mechanism is equipped with the spout, the slider is located in the spout to mutually support with the spout, and the slider can slide in the spout. The sliding chute comprises a linear chute section and a curved chute section, and the head end and the tail end of the curved chute section are connected with the same end of the linear chute section, so that the curved chute section forms a closed sliding path; the locking structure is arranged at the position far away from the linear groove section in the curve groove section, so that the sliding block can be matched with the locking structure when sliding to the position, locking is achieved, the position corresponds to the opening state of the upper turnover door body, and the upper turnover door body is kept locked in the opening state.

When last upset door locking means and the assembly of door body to the side door of paver is taken as an example, and the junction of bracing piece is rotated with the frame of paver and is connected, and spout mechanism is connected with the side door, and the spout of spout mechanism sets up along the direction of height of side door to with the upset motion looks adaptation of side door. When the side door is in a closed state, the sliding block is positioned in the linear groove section; in the process of opening the door by turning the side door upwards, the sliding block slides towards the direction of the curve groove section along with the movement of the side door; when the side door was in the state of opening, the slider slided to the position of the locking structure of curve groove section to with the locking structure cooperation, so that the side door formed the locking, when needs were closed the door, only need upwards lift up the side door a shorter distance and can make slider and locking structure remove the cooperation, the side door whereabouts under the effect of self gravity this moment, simultaneously, the slider continues to slide along curve groove section under the effect of side door, and gets back to in the straight line groove section.

Last turnover door locking means in this scheme, through the improvement to spout mechanism, overall structure has been simplified, only need to carry out switching operation to last turnover door and can realize auto-lock or unblock, and is simple and convenient, and easily operation need not the manual work and operates slider and spout mechanism, can effectively prevent the phenomenon that falls by oneself because of last turnover door supports not enough in the manual operation process, reduced the possibility that takes place the incident by a wide margin, applicable mechanical equipment or the vehicle in paver or other concrete last turnover door.

In addition, the upper turnover door body locking device in the above technical solution provided by the embodiment of the present invention may further have the following additional technical features:

in the above technical solution, the chute mechanism includes: a chute base plate; the outer chute plate is arranged on the chute bottom plate, and a linear chute section is formed in part of the outer chute plate; the inner channel plate is arranged in the outer channel plate, and a curve channel section is formed between the inner channel plate and the outer channel plate; wherein, the curved groove section is positioned at one end of the sliding groove mechanism close to the top of the upper turnover door body.

In this technical scheme, the spout mechanism includes spout bottom plate, outer channel board and interior channel board. The outer channel plate and the inner channel plate are both connected to the chute bottom plate, and the inner channel plate is positioned on the inner side of the outer channel plate; part of the outer channel plate itself forms a straight channel section, while the corresponding parts of the inner and outer channel plates form a curved channel section, and the curved channel section extends around the inner channel plate. The curved groove section is positioned at one end, close to the top of the upper turnover door body, of the sliding groove mechanism, so that the sliding track of the sliding block is matched with the opening and closing process of the upper turnover door body, and mutual interference is prevented.

In the above technical solution, the curved groove section includes: the first groove section is positioned at one side close to the upper turnover door body; the second groove section is positioned on one side far away from the upper turnover door body, and two ends of the second groove section are respectively connected with two ends of the first groove section to form a first connecting position and a second connecting position; wherein, first hookup location is connected with sharp groove section, and locking structure is located the second hookup location.

In the technical scheme, the curved groove section specifically comprises a first groove section and a second groove section. Two ends of the first groove section are respectively connected with two ends of the second groove section to form a curve groove section of a closed path surrounding the inner channel plate; two junctions form first hookup location and second hookup location, all are connected with sharp groove section at first hookup location through setting up first groove section and second groove section to realize the intercommunication between sharp groove section and the curve groove section, the slider gets into the curve groove section back by sharp groove section at first hookup location, can follow first groove section and second groove section one-way slip, and get back to sharp groove section at first hookup location. The locking structure is located at the second connecting position and used as a boundary of the first groove section and the second groove section, so that the first groove section and the second groove section respectively correspond to the door opening process and the door closing process of the door body.

On spout mechanism, be located the one side of being close to the last upset door body through setting up first groove section, the second groove section is located the one side of keeping away from the last upset door body, and the usable upset door body drives sliding motion at the effort of opening the door and closing the door in-process, need not the manual work and operates slider and spout mechanism.

In the above technical solution, the locking structure includes: the groove structure is positioned on the inner channel plate and is sunken from the second connecting position to the direction close to the first connecting position; and the protruding structure is positioned on the outer channel plate and corresponds to the groove structure, and the protruding structure protrudes from the second connecting position to the direction close to the first connecting position.

In this technical scheme, locking structure specifically includes groove structure and protruding structure. At the second connecting position, the inner channel plate is sunken from the second connecting position to the direction close to the first connecting position to form a groove structure; and a protruding structure is formed at the position, opposite to the groove structure, on the outer channel plate, and the protruding structure extends from the second connecting position to the direction close to the first connecting position so as to be matched with the groove structure. When the slider slides to the second connecting position by first groove section, can get into the groove structure under the guide effect of protruding structure in, under the action of the gravity of the last turnover door body, slider and groove structure form the cooperation, realize the locking, and at this moment, the last turnover door body is in the open mode to keep the locking under the open mode. When the upper turnover door body needs to be closed, the upper turnover door body can be lifted upwards for a short distance, the sliding block slides out of the groove structure and enters the second groove section under the action of gravity of the upper turnover door body, and along with the falling of the upper turnover door body, the sliding block slides to the first connecting position along the second groove section and returns to the straight groove section, so that the upper turnover door body can be normally closed.

In the above technical solution, the chute mechanism further includes: first baffle subassembly is located first hookup location, and first baffle subassembly includes: one end of the first baffle is rotatably connected with the inner channel plate, and the other end of the first baffle extends towards the direction close to the outer channel plate so as to block the second channel section; the first limiting structure is arranged on the outer channel plate and corresponds to the first baffle plate, and is positioned on one side of the first baffle plate, which faces the second channel section, so as to limit the first baffle plate; the first elastic reset piece is connected with the first baffle and the inner channel plate and used for driving the first baffle to reset.

In this technical scheme, through set up the first baffle subassembly that is used for blocking the second groove section in first hookup location to when the slider gets into curve groove section by sharp groove section, make the slider slide along first groove section, prevent that the slider from getting into the second groove section.

The first baffle plate assembly specifically comprises a first baffle plate, a first limiting structure and a first elastic resetting piece. One end of the first baffle is rotatably connected with the chute bottom plate, and the other end of the first baffle extends towards the direction of the outer chute plate at the second connecting position to block the second chute section, so that the sliding block can enter the first chute section when entering the curve chute section from the straight chute section. Set up first limit structure (lug for example) through the position that corresponds with first baffle on outer channel board, and be located one side that first baffle is close to the second groove section to rotation to first baffle carries on spacingly, makes first baffle only can open to the direction of keeping away from the second groove section, in order to realize that first baffle is opened to straight line groove section one-way by the second groove section. The first baffle is reset by arranging a first elastic reset piece (such as a reset spring) connected with the first baffle and the inner channel plate, so that the second groove section is in a normally closed state at the first connecting position. When the slider slides to first hookup location by the second groove section, slider and first baffle contact to exert pressure to first baffle under the drive of last upset door body, make first baffle rotate and open, after the slider got into sharp groove section, first baffle recovered the original state under the elasticity effect of elasticity piece that resets. Wherein, can be opened to the straight line groove section one-wayly by the second groove section through setting up first baffle subassembly to at the door in-process of closing of the last upset door body, the slider can be by the normal straight line groove section that gets into of second groove section, in order to avoid influencing the normal of the last upset door body and close.

In above-mentioned technical scheme, spout mechanism still includes second baffle subassembly, locates the second hookup location and is close to one side of first groove section, and second baffle subassembly includes: one end of the second baffle plate is rotatably connected with the chute bottom plate, and the other end of the second baffle plate extends towards the direction close to the inner chute plate so as to block the first chute section; the second limiting structure is arranged on the inner channel plate and corresponds to the second baffle plate, and is positioned on one side of the second baffle plate facing the first groove section so as to limit the second baffle plate; and the second elastic resetting piece is connected with the second baffle and the outer chute plate and is used for driving the second baffle to reset.

In this technical scheme, set up second baffle assembly through the one side that is close to first groove section at second hookup location to when slider and locking structure remove the locking state, prevent that the slider from getting into first groove section once more. The second baffle assembly specifically comprises a second baffle, a second limiting structure and a second elastic resetting piece. The one end of second baffle and the position that the spout bottom plate is close to outer channel plate rotate to be connected, and the other end of second baffle extends to the position that is close to first groove section on the interior channel plate to the first groove section of block. Through the position that is close to first groove section on interior channel plate set up the second limit structure (for example lug) that corresponds with the second baffle to rotation to the second baffle carries on spacingly, makes the second baffle only can open to the direction of keeping away from first groove section, in order to realize that the second baffle is opened to the direction of second groove section by first groove section. The sliding block can apply pressure to the second baffle and enable the second baffle to rotate and open in the process of sliding from the first groove section to the locking structure at the second connecting position; when the sliding block is unlocked with the locking structure at the second connecting position, the second baffle can block the sliding block from entering the path of the first groove section again, so that the sliding block can continuously slide along the second groove section. Through setting up the second elasticity piece that resets (for example reset spring) that is connected with second baffle and outer chute board to utilize the elastic action to reset the second baffle, and can make first groove section be in normally closed state.

In above-mentioned technical scheme, there is first clearance between outer channel board and interior channel board and the spout bottom plate, and forms fixed connection through a plurality of connection structure between outer channel board and the interior channel board.

In this technical scheme, through set up first clearance between outer lane board and spout bottom plate to and between inner lane board and the spout bottom plate, so that cooperate between slider and the spout, for example stretch into first clearance through the bulge on the slider, in order to utilize outer lane board and/or interior lane board to carry out axial spacing to the slider, prevent that slider and spout from breaking away from. Wherein, through set up a plurality of connection structure in first clearance to make outer chute board and interior chute board form fixed connection with the spout bottom plate respectively.

In the above technical solution, the connection structure includes: the sleeve is arranged in the first gap; and the connecting bolt penetrates through the chute bottom plate and the sleeve and is fixedly connected with the outer chute plate or the inner chute plate.

In the technical scheme, the connecting structure specifically comprises a sleeve and a connecting bolt. The sleeve is of a hollow structure and is arranged in the first gap. A part of the sleeve is positioned between the chute bottom plate and the outer chute plate, and two ends of the sleeve are respectively abutted against the chute bottom plate and the outer chute plate; correspondingly, the positions, corresponding to the sleeves, of the chute bottom plate and the outer chute plate are provided with bolt holes, and the connecting bolts penetrate through the sleeves and form threaded fit with the bolt holes so as to realize connection and fixation between the chute bottom plate and the outer chute plate.

The other part of the sleeve is positioned between the sliding chute bottom plate and the inner channel plate, and the sliding chute bottom plate and the inner channel plate are connected and fixed through the connecting bolt, the specific arrangement mode is similar to the above-mentioned content, and the detailed description is omitted.

In the above technical solution, the slider includes: one end of the connecting column is connected with the supporting rod; the limiting plate is arranged at one end of the connecting column, which is far away from the supporting rod, and at least part of the limiting plate extends outwards along the radial direction of the connecting column; the limiting plate extends into the first gap and forms limiting fit with the outer channel plate and/or the inner channel plate.

In this technical scheme, the slider specifically includes spliced pole and limiting plate. One end of the connecting column is connected with the supporting rod, and the other end of the connecting column extends to one side of the supporting rod close to the sliding groove mechanism and extends into the sliding groove. The limiting plate is arranged at one end, extending into the sliding groove, of the connecting column, at least part of the limiting plate extends outwards along the radial direction of the connecting column to extend into the first gap and form limiting fit with the outer channel plate and/or the inner channel plate, axial limiting of the sliding block is achieved, and the sliding block is prevented from being separated from the sliding groove. Wherein, the connecting column can be connected with the supporting rod by a bolt connection or a welding mode; for ease of connection, the support rods may be provided in a plate-like configuration. Furthermore, the limiting plate can stretch out outwards around the whole of spliced pole a week, can cooperate with the groove section of equidirectional in the spout, and spacing effect is better.

An embodiment of a second aspect of the invention provides a paving machine comprising: the side door structure comprises a paver body, wherein at least one side of the paver body is provided with a side door, and the top of the side door is rotatably connected with a frame of the paver body; in the above-described upper-turnover-door-body locking device according to any one of the embodiments of the first aspect, the support rod of the upper-turnover-door-body locking device is rotatably connected to the frame through a connecting point, the side wall of the chute mechanism of the upper-turnover-door-body locking device is connected to the side door, and the chute mechanism is disposed along the height direction of the side door.

According to an embodiment of the second aspect of the invention, the paving machine includes a paving machine body and the upper roll-over door latch of any of the embodiments of the first aspect described above. At least one side of the paver body is provided with a side door, and the top of the side door is rotatably connected with the frame of the paver body, so that the side door can be opened by upwards overturning relative to the frame. The supporting rod of the upper turnover door body locking device is rotatably connected with the rack through the connecting point, so that the supporting rod can rotate relative to the rack; the side wall of a chute mechanism of the upper turnover door body locking device is connected with a side door, so that the chute can face the supporting rod and the sliding block; through setting up the direction of height setting of spout mechanism along the side door for the whole extending direction of spout is unanimous with the direction of height of side door.

When the side door is in a closed state, the sliding block is positioned in the linear groove section of the sliding groove; in the process of opening the door by turning the side door upwards, the sliding block slides towards the direction of the curve groove section of the sliding groove along with the movement of the side door; when the side door is in an open state, the sliding block slides to the position where the curve groove section is provided with the locking structure and is matched with the locking structure, so that the side door is locked. When the side door needs to be closed, the side door only needs to be lifted upwards by a short distance to enable the sliding block to be disengaged from the locking structure, and the side door falls under the action of self gravity, drives the sliding block to continuously slide along the curve groove section and returns to the straight line groove section until the side door is closed.

The paver in this scheme has simplified the overall structure of last turnover door body locking mechanism, only needs to carry out the on-off operation to last turnover door body and can realize auto-lock or unblock, and is simple and convenient, easily operates, need not the manual work and operates slider and spout mechanism, can effectively prevent the phenomenon of falling by oneself because of the side door supports not enough among the manual operation process, has reduced the possibility of taking place the incident by a wide margin.

In addition, the paver in this scheme also has all the beneficial effects of the upper turnover door locking device in the embodiment of the first aspect, which are not described herein again.

Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of embodiments of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view showing an assembled state of an upper-flap door-body locking apparatus according to an embodiment of the present invention;

fig. 2 is a schematic view showing an assembled state of an upper-flap door-body locking apparatus according to an embodiment of the present invention;

FIG. 3 illustrates a partial structural schematic view of a chute mechanism according to one embodiment of the invention;

FIG. 4 shows a cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 shows a schematic view of a support bar according to an embodiment of the present invention;

fig. 6 shows a schematic view of a paving machine according to one embodiment of the invention.

Wherein, the correspondence between the reference numbers and the names of the components in fig. 1 to 6 is as follows:

1 upturning door body locking device, 11 chute mechanisms, 111 chute bottom plates, 112 outer chute plates, 113 inner chute plates, 114 first gaps, 115 connection structures, 1151 sleeves, 1152 connection bolts, 12 chutes, 121 linear chute sections, 122 curved chute sections, 1221 first chute sections, 1222 second chute sections, 1223 first connection positions, 1224 second connection positions, 123 locking structures, 1231 groove structures, 1232 bulge structures, 13 support rods, 131 connection points, 132 sliders, 1321 connection columns, 1322 limiting plates, 1323 fixing bolts, 15 first baffle plate assemblies, 151 first baffle plates, 152 first limiting structures, 153 first elastic resetting pieces, 16 second baffle plate assemblies, 161 second baffle plates, 162 second limiting structures, 163 second elastic resetting pieces, 2 spreading machines, 21 spreading machine bodies, 211 racks and 212 side doors.

Detailed Description

In order that the above objects, features and advantages of the embodiments according to the present invention can be more clearly understood, embodiments according to the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of embodiments according to the invention, however, embodiments according to the invention may be practiced in other ways than those described herein, and therefore the scope of protection of this application is not limited by the specific embodiments disclosed below.

An upper roll door latch and a paving machine according to some embodiments of the present disclosure are described below with reference to fig. 1-6.

Example one

In the present embodiment, an upper-flap door locking apparatus 1 is provided, and as shown in fig. 1 and 2, the upper-flap door locking apparatus 1 includes a chute mechanism 11 and a support rod 13.

One end of the support rod 13 is provided with a connection point 131 (e.g., a hinge hole), and the other end of the support rod 13 is provided with a slider 132. The chute mechanism 11 is provided with a chute 12, the slider 132 of the support rod 13 is provided in the chute 12 and is engaged with the chute 12, and the slider 132 can slide in the chute 12. During assembly, taking the paver as an example, one end of the supporting rod 13 is rotatably connected with the frame 211 of the paver through the connection point 131, the chute mechanism 11 is connected with the side door 212 of the paver, wherein the top of the side door 212 is rotatably connected with the frame 211 and can be opened upwards relative to the frame 211.

Chute 12 includes a linear groove segment 121 and a curvilinear groove segment 122. The linear groove section 121 is disposed along the height direction of the side door 212, and the curved groove section 122 is located at the top of the linear groove section 121. Wherein, the head end and the tail end of the curved groove section 122 are both connected with the same end of the straight groove section 121, so that a closed sliding path is formed in the curved groove section 122. And a locking structure 123 is arranged at a position far away from the linear groove section 121 in the curved groove section 122, and the sliding block 132 can be matched with the locking structure 123 when sliding to the position to realize locking, so that the side door 212 is kept locked, and the position corresponds to the opening state of the side door 212.

When the side door 212 is in the closed position, the slider 132 is positioned within the linear channel section 121. In the process of opening the door by turning up the side door 212, the slider 132 slides towards the direction close to the curved groove section 122 along with the movement of the side door 212, and enters the curved groove section 122 from the linear groove section 121; when the side door 212 is in the open state, the slider 132 slides to the position of the locking structure 123 of the curved groove section 122 and cooperates with the locking structure 123 to achieve locking, so that the side door 212 is kept in the open state. When the door needs to be closed, the sliding block 132 and the locking structure 123 can be disengaged by only lifting the side door 212 upwards for a short distance, so that the side door 212 is unlocked, at the moment, the side door 212 falls under the action of self gravity, and meanwhile, the sliding block 132 continues to slide along the curve groove section 122 under the action of the side door 212 and returns to the straight groove section 121 until the side door 212 is closed.

It should be noted that the upper turnover door locking device 1 may be applied to the paver in this embodiment, and may also be applied to other specific mechanical equipment or vehicles with upper turnover doors.

The upper turnover door body locking device 1 in the embodiment has the advantages that the integral structure is simplified through the improvement of the sliding groove mechanism 11, the self-locking or unlocking can be realized only by opening and closing the upper turnover door body, the operation is simple and convenient, the operation is easy, the manual operation on the sliding block 132 and the sliding groove mechanism 11 is not needed, the phenomenon that the upper turnover door body is not supported enough and falls automatically in the manual operation process can be effectively prevented, and the possibility of safety accidents is greatly reduced.

Example two

The embodiment provides an upturning door body locking device 1, which is further improved on the basis of the first embodiment.

As shown in fig. 1 to 3, the chute mechanism 11 includes a chute base plate 111, an outer chute plate 112, and an inner chute plate 113. The outer chute plate 112 and the inner chute plate 113 are both connected to the chute base plate 111, and the inner chute plate 113 is located inside the outer chute plate 112; the partial outer channel plate 112 itself forms a straight channel segment 121 (a portion far from the inner channel plate 113 in fig. 3), while the inner channel plate 113 is near the end of the outer channel plate 112, and a curved channel segment 122 is formed between the portion of the outer channel plate 112 corresponding to the inner channel plate 113 and the inner channel plate 113; the curved channel section 122 extends around the inner channel plate 113 with the leading end and the trailing end each connected to a straight channel section 121.

When the upper turnover door locking device 1 is assembled on the paver, the curved groove section 122 is located at one end of the chute mechanism 11 close to the top of the side door 212, so that the sliding track of the sliding block 132 is matched with the opening and closing process of the upper turnover door, and mutual interference is prevented.

EXAMPLE III

The embodiment provides an upper turnover door body locking device 1 which is further improved on the basis of the second embodiment.

As shown in fig. 1 to 3, the curved groove segment 122 specifically includes a first groove segment 1221 and a second groove segment 1222. The curved slot segments 122 are integrally formed into a closed path around the inner channel plate 113 by providing that both ends of the first slot segment 1221 are connected to both ends of the second slot segment 1222, i.e., the first slot segment 1221 and the second slot segment 1222 are connected end to end. The two connections of the first slot segment 1221 and the second slot segment 1222 form a first connection location 1223 and a second connection location 1224, the first connection location 1223 being closer to the linear slot segment 121 and the second connection location 1224 being further away from the linear slot segment 121.

The first slot segment 1221 and the second slot segment 1222 are both connected to the linear slot segment 121 at a first connection location 1223, such that communication is formed between the linear slot segment 121 and the curved slot segment 122; the locking structure 123 is located at the second connecting position 1224 to demarcate the first slot segment 1221 and the second slot segment 1222, so that the first slot segment 1221 and the second slot segment 1222 correspond to the door opening process and the door closing process of the door body, respectively.

After the sliding block 132 enters the curved groove section 122 from the linear groove section 121 at the first connection position 1223, it enters the first groove section 1221, and slides unidirectionally along the first groove section 1221 toward the second groove section 1222, and cooperates with the locking structure 123 at the second connection position 1224 to achieve locking; when the slider 132 and the locking structure 123 are unlocked, the slider 132 enters the second groove 1222 and continues to slide under the action of the side door 212, and then returns to the linear groove 121 through the first connection position 1223.

Wherein, on spout mechanism 11, first groove 1221 is located and is close to the one side of the upper turnover door body, and second groove 1222 is located and keeps away from the one side of the upper turnover door body, and usable side door 212 drives sliding motion at the effort of opening the door and closing the door in-process, need not the manual work and operates slider 132 and spout mechanism 11.

Example four

The embodiment provides an upturning door body locking device 1, which is further improved on the basis of the third embodiment.

As shown in fig. 1 to 3, the locking structure 123 specifically includes a groove structure 1231 and a protrusion structure 1232. At the second connection locations 1224, the inner channel plate 113 is recessed from the second connection locations 1224 toward the first connection locations 1223 to form groove structures 1231; raised structures 1232 are formed on the outer channel plate 112 opposite the groove structures 1231, and the raised structures 1232 extend from the second attachment locations 1224 toward the first attachment locations 1223.

The protrusion 1232 cooperates with the groove 1231 to enable the slider 132 to enter the groove 1231 under the guiding action of the protrusion 1232 when the slider 132 slides from the first groove 1221 to the second connecting position 1224, and the slider 132 cooperates with the groove 1231 under the gravity action of the side door 212 to realize locking, and at this time, the side door 212 is in an open state and remains locked in the open state.

When the side door 212 needs to be closed, the side door 212 can be lifted upwards for a short distance, so that the slider 132 slides out of the groove structure 1231, the matching between the slider 132 and the groove structure 1231 is released, and the locking state is released. The slider 132 enters the second groove section 1222 by the gravity of the side door 212, and as the side door 212 falls, the slider 132 slides along the second groove section 1222 to the first connection position 1223 and returns to the linear groove section 121 through the first connection position 1223; as the side door 212 continues to fall, the slider 132 continues to slide within the linear channel section 121 until the side door 212 is closed.

EXAMPLE five

As shown in fig. 1 to 3, a first baffle assembly 15 is further disposed in the sliding chute 12, and the first baffle assembly 15 is located at a side of the first connecting position 1223 close to the second slot 1222 to block the second slot 1222. When the sliding block 132 enters the curved groove section 122 from the linear groove section 121, the first shutter assembly 15 can slide the sliding block 132 along the first groove section 1221, and prevent the sliding block 132 from entering the second groove section 1222. The first shutter assembly 15 can be opened by the second slot 1222 in a single direction toward the linear slot 121, so that the slider 132 can enter the linear slot 121 from the second slot 1222 during the door closing process, thereby preventing the normal door closing operation from being affected.

Further, as shown in fig. 3, the first flap assembly 15 specifically includes a first flap 151, a first limiting structure 152, and a first elastic restoring member 153. One end of the first baffle 151 is rotatably connected with the chute bottom plate 111, and the rotation center is close to the inner chute plate 113; the other end of the first blocking plate 151 extends in the direction of the outer channel plate 112 at the second connecting position 1224 to block the second channel section 1222, so that the slider 132 can enter the first channel section 1221 when entering the curved channel section 122 from the linear channel section 121.

The first limiting structure 152 is specifically a protrusion, and is disposed at a position on the outer channel plate 112 corresponding to the first blocking plate 151, and is located at a side of the first blocking plate 151 close to the second channel 1222 to limit the rotation of the first blocking plate 151, so as to prevent the first blocking plate 151 from rotating to the side of the second channel 1222, so that the first blocking plate 151 can only be opened in a direction away from the second channel 1222, and the first blocking plate 151 is opened in a one-way direction from the second channel 1222 to the linear channel 121.

The first elastic reset element 153 is specifically a reset spring, one end of the first elastic reset element is connected to the first blocking plate 151, the other end of the first elastic reset element is connected to the inner channel plate 113, and the second slot 1222 is in a normally closed state under the elastic force of the first elastic reset element 153. When the sliding block 132 slides from the second groove 1222 to the first connection position 1223, the sliding block 132 contacts the first barrier 151 and applies pressure to the first barrier 151 under the driving of the side door 212, so that the first barrier 151 rotates to open, and the first elastic reset member 153 stretches; after the sliding block 132 passes through the first position and enters the linear groove segment 121, the first blocking plate 151 is restored to the original state by the elastic force of the first elastic restoring member 153, and blocks the second groove segment 1222 again. Wherein, a hook may be provided on the first barrier 151 and/or the inner channel plate 113 to facilitate hooking the first elastic restoring member 153.

The first baffle assembly 15 is not limited to the embodiment, for example, the first baffle 151 may be rotatably connected to the inner channel plate 113, and the protrusion may be integrally formed with the outer channel plate 112 or may be a separate structure; the first elastic restoring member 153 may also be a torsion spring or other structures capable of restoring elastically.

EXAMPLE six

The embodiment provides an upturning door body locking device 1, which is further improved on the basis of the fifth embodiment.

As shown in fig. 1 to 3, a second baffle assembly 16 is further disposed in the sliding chute 12 at a side of the second connecting position 1224 close to the first slot segment 1221 to prevent the sliding block 132 from entering the first slot segment 1221 again when the sliding block 132 and the locking structure 123 are unlocked.

The second barrier assembly 16 specifically includes a second barrier 161, a second limit structure 162, and a second elastic reset member 163. One end of the second blocking plate 161 is rotatably connected to the chute bottom plate 111 near the outer chute plate 112, and the other end extends to the inner chute plate 113 near the first section 1221 to block the first section 1221. The second limiting structure 162 is specifically a protrusion, which is disposed at a position on the inner channel plate 113 close to the first slot segment 1221, and corresponds to the second baffle 161, so as to limit the rotation of the second baffle 161, so that the second baffle 161 can only be opened in a direction away from the first slot segment 1221, and the second baffle 161 is opened in a single direction from the first slot segment 1221 to the second slot segment 1222. The second elastic restoring member 163 is specifically a restoring spring, and is respectively connected to the second baffle 161 and the outer chute plate 112, so as to restore the second baffle 161 by using the elastic action and enable the first chute section 1221 to be in the normally closed state.

During the sliding of the slider 132 from the first slot segment 1221 to the locking structure 123 at the second connection position 1224, the slider 132 may contact the second blocking plate 161 and exert a pressure on the second blocking plate 161 under the driving of the side door 212, so that the second blocking plate 161 rotates away from the first slot segment 1221 to be opened; when the slider 132 is locked with the locking structure 123 at the second connecting position 1224, the slider 132 is unlocked along with the movement of the side door 212, and at this time, the second blocking plate 161 can block the slider 132 from entering the path of the first slot segment 1221 again, so that the slider 132 can enter the second slot segment 1222 and continue to slide along the second slot segment 1222.

The second baffle assembly 16 is not limited to the implementation manner in the embodiment, for example, the second baffle 161 may be rotatably connected to the outer channel plate 112, and the protrusion may be integrally formed with the inner channel plate 113 or may be a separate structure; the second elastic restoring member 163 may also be a torsion spring or other structures capable of restoring elastically.

EXAMPLE seven

As shown in fig. 1 to 4, first gaps 114 are respectively disposed between the outer channel plate 112 and the chute base plate 111, and between the inner channel plate 113 and the chute base plate 111, so as to facilitate the cooperation between the sliding block 132 and the chute 12, so as to axially limit the sliding block 132 by using the outer channel plate 112 and/or the inner channel plate 113, and prevent the sliding block 132 from being separated from the chute 12. A plurality of connecting structures 115 are disposed in the first gap 114, so that the outer chute plate 112 and the inner chute plate 113 are fixedly connected to the chute base plate 111, respectively.

Further, the connection structure 115 specifically includes a sleeve 1151 and a connection bolt 1152. The sleeve 1151 is a hollow structure, a part of the sleeve 1151 is located in the first gap 114 between the chute bottom plate 111 and the outer channel plate 112, and two ends of the sleeve 1151 respectively abut against the chute bottom plate 111 and the outer channel plate 112, so that a fixed distance is kept between the chute bottom plate 111 and the outer channel plate 112; bolt holes are formed in the chute bottom plate 111 and the outer chute plate 112 at positions corresponding to the sleeves 1151, and the connecting bolts 1152 penetrate through the sleeves 1151 and form threaded fit with the bolt holes, so that the chute bottom plate 111 and the outer chute plate 112 can be connected and fixed.

The other part of the sleeve 1151 is positioned in the first gap 114 between the chute bottom plate 111 and the inner channel plate 113, and two ends of the sleeve 1151 respectively abut against the chute bottom plate 111 and the inner channel plate 113, so that a fixed distance is kept between the chute bottom plate 111 and the inner channel plate 113; bolt holes are formed in the chute bottom plate 111 and the inner channel plate 113 at positions corresponding to the sleeves 1151, and connecting bolts 1152 penetrate through the sleeves 1151 and are in threaded fit with the bolt holes, so that the chute bottom plate 111 and the inner channel plate 113 are connected and fixed.

The connection between the outer and

inner chute plates

112 and 113 and the chute base plate 111 is not limited to the connection in the present embodiment, and may be implemented by pin connection, welding, or other methods.

Example eight

The present embodiment provides an upturning door locking device 1, which is further improved on the basis of the seventh embodiment.

As shown in fig. 1, 4 and 5, the sliding block 132 specifically includes a connecting column 1321 and a limiting plate 1322. The support rod 13 is a plate-shaped structure; one end of the connecting column 1321 is connected to the supporting rod 13 through a fixing bolt 1323, and the other end of the connecting column 1321 extends toward one side of the supporting rod 13 close to the chute mechanism 11 and extends into the chute 12. The limiting plate 1322 is disposed at an end of the connecting column 1321 extending into the chute 12, the size of the limiting plate 1322 is larger than the cross-sectional area of the connecting column 1321, and the limiting plate 1322 extends outward along the radial direction of the connecting column 1321 to extend into the first gap 114, and forms a limiting fit with the outer chute plate 112 and/or the inner chute plate 113, so as to prevent the slider 132 from moving in the axial direction and separating from the chute 12. When the sliding block 132 slides to different positions of the sliding chute 12, the limiting plates 1322 can form a limiting fit with the sliding chute 12.

The connecting column 1321 can also be connected with the supporting rod 13 by welding or other methods; the retainer plate 1322 may have only a partial structure extending outward in the radial direction of the connecting column 1321.

A specific embodiment of the above-described upper roll-over door latch 1 is provided below:

As shown in fig. 1 to 3, a first baffle assembly 15 and a second baffle assembly 16 are further disposed in the sliding chute 12, and are used for blocking the second slot segment 1222 and the first slot segment 1221, respectively, and the first baffle assembly 15 and the second baffle assembly 16 can be opened in one direction on the moving path from the first slot segment 1221 to the second slot segment 1222 to the linear slot segment 121.

Specifically, as shown in fig. 3, the second baffle assembly 16 is located at a side of the second connecting position 1224 close to the first groove section 1221, and specifically includes the second baffle 161, the second limiting structure 162 and the second elastic restoring member 163. One end of the second blocking plate 161 is rotatably connected to the chute bottom plate 111 near the outer chute plate 112, and the other end extends to the inner chute plate 113 near the first section 1221 to block the first section 1221. The second limiting structure 162 is specifically a protrusion, which is disposed at a position on the inner channel plate 113 close to the first slot segment 1221, and corresponds to the second baffle 161, so as to limit the rotation of the second baffle 161, so that the second baffle 161 can only be opened in a direction away from the first slot segment 1221, and the second baffle 161 is opened in a single direction from the first slot segment 1221 to the second slot segment 1222. The second elastic restoring member 163 is specifically a restoring spring, and is respectively connected to the second baffle 161 and the outer chute plate 112, so as to restore the second baffle 161 by using the elastic action and enable the first chute section 1221 to be in the normally closed state.

As shown in fig. 3, the first blocking plate assembly 15 is located at a side of the first connection position 1223 close to the second groove 1222, and specifically includes a first blocking plate 151, a first limiting structure 152, and a first elastic restoring member 153. One end of the first baffle 151 is rotatably connected with the chute bottom plate 111, and the rotation center is close to the inner chute plate 113; the other end of the first blocking plate 151 extends in the direction of the outer channel plate 112 at the second connecting position 1224 to block the second channel section 1222, so that the slider 132 can enter the first channel section 1221 when entering the curved channel section 122 from the linear channel section 121. The first limiting structure 152 is specifically a protrusion, and is disposed at a position on the outer channel plate 112 corresponding to the first blocking plate 151, and is located at a side of the first blocking plate 151 close to the second channel 1222 to limit the rotation of the first blocking plate 151, so as to prevent the first blocking plate 151 from rotating to the side of the second channel 1222, so that the first blocking plate 151 can only be opened in a direction away from the second channel 1222, and the first blocking plate 151 is opened in a one-way direction from the second channel 1222 to the linear channel 121. The first elastic reset element 153 is specifically a reset spring, one end of the first elastic reset element is connected to the first blocking plate 151, the other end of the first elastic reset element is connected to the inner channel plate 113, and the second slot 1222 is in a normally closed state under the elastic force of the first elastic reset element 153.

When the sliding block 132 slides along the second groove 1222 to the first connection position 1223, the sliding block 132 contacts the first barrier 151 and applies pressure to the first barrier 151 under the driving of the side door 212, so that the first barrier 151 rotates to open, and the first elastic reset member 153 stretches; after the sliding block 132 passes through the first position and enters the linear groove segment 121, the first blocking plate 151 is restored to the original state by the elastic force of the first elastic restoring member 153, and blocks the second groove segment 1222 again. Wherein, a hook may be provided on the first barrier 151 and/or the inner channel plate 113 to facilitate hooking the first elastic restoring member 153.

The connection structure 115 specifically includes a sleeve 1151 and a connection bolt 1152. The sleeve 1151 is a hollow structure, a part of the sleeve 1151 is located in the first gap 114 between the chute bottom plate 111 and the outer channel plate 112, and two ends of the sleeve 1151 respectively abut against the chute bottom plate 111 and the outer channel plate 112, so that a fixed distance is kept between the chute bottom plate 111 and the outer channel plate 112; bolt holes are formed in the chute bottom plate 111 and the outer chute plate 112 at positions corresponding to the sleeves 1151, and the connecting bolts 1152 penetrate through the sleeves 1151 and form threaded fit with the bolt holes, so that the chute bottom plate 111 and the outer chute plate 112 can be connected and fixed.

Taking the application in a paver as an example, the working process of the upper turnover door locking device 1 is described. When the side door 212 is in the closed position, the slider 132 is positioned within the linear channel section 121. During the process of opening the side door 212 in a flip-up manner, the slider 132 slides in a direction close to the curved groove section 122 along with the movement of the side door 212, and enters the first groove section 1221 of the curved groove section 122 from the linear groove section 121 through the first connecting position 1223; when the side door 212 is in the open state, the slider 132 slides to the position of the locking structure 123 at the second connecting position 1224, and cooperates with the locking structure 123 under the gravity of the side door 212 to achieve locking, so that the side door 212 is kept in the open state. When the door needs to be closed, the sliding block 132 and the locking structure 123 can be disengaged only by lifting the side door 212 upwards for a short distance, the side door 212 is immediately unlocked, at this time, the side door 212 falls under the action of self gravity, meanwhile, the sliding block 132 continues to slide along the second groove section 1222 of the curved groove section 122 under the action of the side door 212, and contacts with the first baffle 151 at the first connecting position 1223, so that the first baffle 151 rotates to be opened, the sliding block 132 returns to the linear groove section 121 through the first connecting position 1223, and the first baffle 151 restores to the original state under the action of the elastic force of the return spring; as the side door 212 continues to fall, the slider 132 continues to slide within the linear channel section 121 until the side door 212 is closed.

Example nine

In the present embodiment, a paver 2 is provided, as shown in fig. 1, fig. 2, and fig. 6, the paver 2 includes a paver body 21 and an upper turnover door locking device 1 in any one of the above embodiments.

At least one side of the paver body 21 is provided with a side door 212, the top of the side door 212 is rotatably connected with a frame 211 of the paver body 21, and the side door 212 can be opened by being turned upwards relative to the frame 211. The support rod 13 of the upper turnover door body locking device 1 is rotatably connected with the frame 211 through a connection point 131 and can rotate relative to the frame 211; the side wall of the chute mechanism 11 of the upper turnover door body locking device 1 is connected with the side door 212, and the chute 12 faces the support rod 13 and the slide block 132; the chute mechanism 11 is provided along the height direction of the side door 212 so that the overall extending direction of the chute 12 coincides with the height direction of the side door 212.

When the side door 212 is in the closed state, the slider 132 is positioned within the linear channel section 121 of the chute 12; during the process of the side door 212 opening the door in a flip-up manner, the slider 132 slides in the direction of the curved slot section 122 of the sliding slot 12 along with the movement of the side door 212; when the side door 212 is in an open state, the slider 132 slides to a position where the curved groove section 122 is provided with the locking structure 123, and cooperates with the locking structure 123 to lock the side door 212. When the side door 212 needs to be closed, the sliding block 132 and the locking structure 123 can be disengaged only by lifting the side door 212 upwards for a short distance, at this time, the side door 212 falls under the action of self gravity, the sliding block 132 is driven to continuously slide along the curve groove section 122 and returns to the straight line groove section 121, and along with the falling of the side door 212, the sliding block 132 continuously slides in the straight line groove section 121 until the side door 212 is closed.

Further, two sides of the paver body 21 may be respectively provided with a side door 212, and each side door 212 is correspondingly provided with a set of upper turnover door locking devices 1 to be matched with the corresponding side door 212.

Paver 2 in this embodiment has simplified the overall structure of last turnover door locking mechanism, only needs to carry out switching operation to last turnover door and can realize auto-lock or unblock, and is simple and convenient, easily operates, need not the manual work and operates slider 132 and spout mechanism 11, can effectively prevent the phenomenon of falling by oneself because of side door 212 supports not enough in the manual operation process, has reduced the possibility of taking place the incident by a wide margin.

In addition, the paver 2 in this embodiment also has all the beneficial effects of the upper turnover door locking device 1 in any one of the above embodiments, and details are not described herein.

One specific embodiment of the present application is provided below:

an automatic locking mechanism for side door support of a paver. One end of the supporting plate with the limiting slide block is arranged on the rack, and the limiting slide block at the other end is arranged in the chute on the chute plate component and can slide along the chute. The front end of the sliding groove is divided into an upper sliding groove and a lower sliding groove to form a closed loop. The sliding chute plate assembly is fixedly welded with the side door, and the sliding chute plate assembly is provided with a pin shaft, a guide separation blade and a spring, wherein the guide separation blade can rotate around the pin shaft.

When the side door is opened upwards, the guide blocking piece closes the lower sliding groove under the action of the spring force. The backup pad gets into spout, and the side door upwards opens to the biggest back, and the side door is downward, and the backup pad is under the action of gravity, and spacing slider gets into the locking point, and the side door is supported the locking.

The side door is continuously lifted upwards to the maximum, the supporting plate enters the lower sliding groove under the action of gravity, and the limiting sliding block is arranged on the lower sliding groove. And the side door is closed downwards, the limiting sliding block slides along the lower sliding groove, the guiding blocking piece is jacked open, and the side door is closed.

The technical scheme of the invention is described in detail by combining the drawings, the overall structure is simplified by improving the chute mechanism, the self-locking or unlocking can be realized only by opening and closing the upper turnover door body, the operation is simple and convenient, the operation is easy, the sliding block and the chute mechanism do not need to be operated manually, the phenomenon of self-falling caused by insufficient support of the upper turnover door body in the manual operation process can be effectively prevented, and the possibility of safety accidents is greatly reduced.

In embodiments according to the present invention, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. Specific meanings of the above terms in the embodiments according to the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the embodiments according to the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the embodiments according to the present invention and simplifying the description, but do not indicate or imply that the referred devices or units must have a specific direction, be configured and operated in a specific orientation, and thus, should not be construed as limiting the technical aspects of the present application.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example in accordance with the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment according to the present invention, and is not intended to limit the technical solution of the present application, and it is obvious to those skilled in the art that various modifications and changes can be made to the technical solution of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the technical scheme of the application shall be included in the protection scope of the application.

Claims

1. An upper turnover door body locking device (1) is characterized in that,

the sliding chute mechanism (11), the sliding chute mechanism (11) is provided with a sliding chute (12), the sliding chute (12) comprises a linear groove section (121) and a curve groove section (122), the head end and the tail end of the curve groove section (122) are both connected with the same end of the linear groove section (121), and a locking structure (123) is arranged in the curve groove section (122) at a position far away from the linear groove section (121);

one end of the support rod (13) is provided with a connecting point (131) for being rotatably connected with the support structure, and the other end of the support rod is provided with a sliding block (132) which is in sliding fit with the sliding groove (12);

the sliding groove mechanism (11) can be connected with the upper turnover door body, and the sliding block (132) slides along the sliding groove (12) in the opening and closing process of the upper turnover door body and can be matched with the locking structure (123) to enable the upper turnover door body to be locked in an opening state.

2. The tilt-up door-body lock device (1) according to claim 1, wherein the chute mechanism (11) comprises:

a chute bottom plate (111);

the outer chute plate (112) is arranged on the chute bottom plate (111), and the linear chute section (121) is formed in part of the outer chute plate (112);

the inner channel plate (113) is arranged in the outer channel plate (112), and the curved channel section (122) is formed between the inner channel plate (113) and the outer channel plate (112);

the curved groove section (122) is located at one end, close to the top of the upper turnover door body, of the sliding groove mechanism (11).

3. The tilt-up door latch device (1) according to claim 2, wherein the curved groove section (122) comprises:

the first groove section (1221) is positioned at one side close to the upper turnover door body;

the second groove section (1222) is positioned on one side far away from the upper turnover door body, and two ends of the second groove section (1222) are respectively connected with two ends of the first groove section (1221) to form a first connecting position (1223) and a second connecting position (1224);

wherein the first connection position (1223) is connected to the linear groove section (121) and the locking structure (123) is in the second connection position (1224).

4. The tilt-up door latch device (1) according to claim 3, wherein the latch structure (123) comprises:

a groove structure (1231) on the inner channel plate (113), the groove structure (1231) being recessed from the second connection location (1224) in a direction closer to the first connection location (1223);

-a raised structure (1232) on the outer channel plate (112) at a position corresponding to the groove structure (1231), the raised structure (1232) being raised from the second connection location (1224) in a direction closer to the first connection location (1223).

5. The tilt-up door latch device (1) of claim 3, wherein the chute mechanism further comprises a first flap assembly (15) disposed at the first connection location (1223), the first flap assembly (15) comprising:

a first baffle (151) having one end rotatably connected to the chute bottom plate (111) and the other end extending in a direction close to the outer chute plate (112) to block the second chute section (1222);

the first limiting structure (152) is arranged on the outer channel plate (112) and corresponds to the first baffle (151), and is positioned on one side, facing the second channel section (1222), of the first baffle (151) so as to limit the first baffle (151);

and the first elastic resetting piece (153) is connected with the first baffle plate (151) and the inner channel plate (113) and is used for driving the first baffle plate (151) to reset.

6. The tilt-up door latch device (1) of claim 5, wherein the chute mechanism further comprises a second baffle assembly (16) disposed on a side of the second attachment location (1224) adjacent to the first slot segment (1221), the second baffle assembly (16) comprising:

a second baffle plate (161) having one end rotatably connected to the chute bottom plate (111) and the other end extending in a direction close to the inner chute plate (113) to block the first chute section (1221);

the second limiting structure (162) is arranged on the inner channel plate (113) and corresponds to the second baffle (161), and is positioned on one side, facing the first groove section (1221), of the second baffle (161) so as to limit the second baffle (161);

and the second elastic reset piece (163) is connected with the second baffle plate (161) and the outer channel plate (112) and is used for driving the second baffle plate (161) to reset.

7. The tilt-up door-body lock device (1) according to claim 2,

a first gap (114) exists between the outer chute plate (112) and the inner chute plate (113) and the chute bottom plate (111), and the outer chute plate (112) and the inner chute plate (113) are fixedly connected through a plurality of connecting structures (115).

8. The tilt-up door latch device (1) according to claim 7, wherein the connecting structure (115) comprises:

a sleeve (1151) disposed within the first gap (114);

and the connecting bolt (1152) passes through the chute bottom plate (111) and the sleeve (1151) and is fixedly connected with the outer chute plate (112) or the inner chute plate (113).

9. The tilt-up door lock device (1) according to claim 7, wherein the slider (132) comprises:

a connecting column (1321), one end of which is connected with the supporting rod (13);

the limiting plate (1322) is arranged at one end, away from the supporting rod (13), of the connecting column (1321), and at least part of the limiting plate (1322) extends outwards along the radial direction of the connecting column (1321);

the limiting plate (1322) extends into the first gap (114) and forms a limiting fit with the outer channel plate (112) and/or the inner channel plate (113).

10. A paver (2), characterized in that it comprises:

the side door structure comprises a paver body (21), wherein at least one side of the paver body (21) is provided with a side door (212), and the top of the side door (212) is rotatably connected with a frame (211) of the paver body (21);

the upper turnover door locking device (1) according to any one of claims 1 to 9, wherein a support rod (13) of the upper turnover door locking device (1) is rotatably connected with the frame (211) through a connection point (131), a side wall of a chute mechanism (11) of the upper turnover door locking device (1) is connected with the side door (212), and the chute mechanism (11) is arranged along the height direction of the side door (212).