CN215971619U

CN215971619U - Plate carrying device for engineering machinery

Info

Publication number: CN215971619U
Application number: CN202122338634.6U
Authority: CN
Inventors: 程谋新; 马新龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-03-08
Anticipated expiration: 2031-09-26

Abstract

The application discloses a plate carrying device for engineering machinery, which comprises a cavity plate and a lifting adjusting mechanism, wherein the top end of the outer wall of the cavity plate is fixedly connected with the bottom end of a cover plate; the lifting adjusting mechanism comprises two fixing plates, wherein one side of each fixing plate, which is close to each other, is fixedly connected with the front side and the rear side of the outer wall of the cover plate respectively, and the centers of the two fixing plates are rotatably connected with and penetrate through the top ends of the third threaded rods respectively. The turning block drives the third threaded rod to rotate, two thread bushing plates in threaded fit with the third threaded rod move upwards vertically along the third threaded rod, the two thread bushing plates drive the pulley to move upwards vertically through the connecting shaft until the pulley is moved to be separated from the ground, the bottom end of the space cavity plate contacts the ground, the loading and unloading of plates are facilitated, the pulley can be driven to contact the ground again through the reversing turning block in the same way until the pulley is driven to be connected with the top end of the transverse plate in a clamping mode, the pulley is fixed at the position, and the pulley driving device is convenient to move.

Description

Plate carrying device for engineering machinery

Technical Field

The application relates to the field of engineering machinery, in particular to a plate carrying device for the engineering machinery.

Background

Construction machines are an important component of the equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery.

The existing plate carrying device needs to carry plates to the device manually and then carries out conveying at the designated position, but physical consumption of workers is easily caused to be overlarge, and meanwhile, the existing plate carrying device is inconvenient to fix the plates, so that difficulty in the conveying process is increased. Therefore, a plate conveying device for construction machinery is proposed to solve the above problems.

Disclosure of Invention

The embodiment provides a plate conveying device for engineering machinery, which is used for solving the problem that plates in the prior art are inconvenient to convey to the device.

According to one aspect of the application, the plate carrying device for the engineering machinery comprises a cavity plate and a lifting adjusting mechanism, wherein the top end of the outer wall of the cavity plate is fixedly connected with the bottom end of a cover plate;

the lifting adjusting mechanism comprises a fixed plate, the fixed plate is provided with two fixed plates, two sides are arranged on one side, close to each other, of the fixed plate respectively and fixedly connected with the front side and the rear side of the outer wall of the cover plate, two sides are arranged on the center of the fixed plate, the center of the fixed plate is connected with and runs through the top end of a third threaded rod, the center of the top end of the third threaded rod is fixedly connected with the center of a turning block, two sides of the bottom end of the third threaded rod are respectively in threaded connection with the center of a sleeve plate, two sides are respectively in threaded connection with the center of the sleeve plate, the connecting shaft is respectively in sliding connection with and runs through the center of the front side and the rear side of two transverse plates, and the transverse plates are respectively in the lower sides and the left side and the right side of the outer wall of the fixed connection cover plate, and four sides are arranged on the bottom ends of the connecting shaft respectively.

Furthermore, two the bottom of the left and right sides of the outer wall of the threaded sleeve plate is fixedly connected with clamping blocks respectively, and the four clamping blocks are clamped with the top end of the transverse plate respectively.

Furthermore, the center of the bottom end of the rear side of the inner wall of the cover plate is fixedly connected with one end of a rotating motor, the output end of the rotating motor is fixedly connected with the rear end of a first threaded rod, the front end of the first threaded rod is rotatably connected with the center of the side wall of the rear side of a supporting block, and the bottom end of the supporting block is fixedly connected with the front side of the bottom end of the inner wall of the cover plate.

Further, first threaded rod outer wall screw thread cup joints U template bottom center department, the U template top left and right sides slides respectively and cup joints at first spacing inslot chamber, two first spacing groove level respectively inlays and places the board bottom left and right sides.

Further, the center of the bottom end of the U-shaped plate is fixedly connected with the bottom end of the sliding plate, the upper part of the sliding plate is slidably sleeved in an inner cavity of the second limiting groove, and the second limiting groove is horizontally embedded in the center of the bottom end of the placing plate.

Further, place board left and right sides rear fixed connection pivot one end respectively, two one side that the pivot was kept away from each other rotates respectively and cup joints in the cover plate inner wall left and right sides, place board left and right sides the place ahead and slide respectively and cup joint in the arc wall inner chamber, two the arc wall inlays respectively in the cover plate inner wall left and right sides.

Further, the bottom of the left side and the bottom of the right side of the U-shaped plate are respectively fixedly connected with one end of a sliding rod, the two ends, far away from each other, of the sliding rods are respectively sleeved in the inner cavity of the sliding chute in a sliding mode, and the two sliding chutes are respectively horizontally embedded below the left side and the right side of the inner wall of the cover plate.

Further, place the board directly over be equipped with the clamp plate, the central punishment of clamp plate left and right sides is fixed connection elevator one end respectively, two the elevator slides respectively and cup joints in the cover plate inner chamber left and right sides, two the elevator is threaded respectively and cup joints at second threaded rod outer wall, two second threaded rod top is rotated respectively and is connected cover plate inner wall top, two second threaded rod bottom is fixed connection driven shaft respectively.

Furthermore, two driven shaft bottom rotates respectively to be connected and runs through the cavity board top left and right sides, two driven shaft bottom is the fixed second bevel gear that cup joints respectively, two second bevel gear meshes the first bevel gear of cooperation respectively, two first bevel gear is fixed cup joint respectively in the driving shaft outer wall left and right sides, installs both ends respectively fixed connection carousel about the driving shaft, two the carousel rotates respectively to be connected and runs through cavity board left and right sides center department.

Further, the height of the rotating shaft is higher than that of the top end of the sliding plate.

Through the above-mentioned embodiment of this application, adopted lift adjustment mechanism, solved the inconvenient problem of carrying to the device of panel, made things convenient for the removal and the fixed of device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is a side view of the overall internal structure of one embodiment of the present application;

fig. 4 is a schematic diagram of a partial enlarged structure at a in fig. 2 according to an embodiment of the present application.

In the figure: 1. the device comprises a cavity plate, 2, a driving shaft, 3, a first threaded rod, 4, a sliding rod, 5, a threaded sleeve plate, 6, a rotary table, 7, a first limit groove, 8, a U-shaped plate, 9, a second limit groove, 10, a pressing plate, 11, a sliding plate, 12, a placing plate, 13, a rotating shaft, 14, a lifting block, 15, a second threaded rod, 16, a cover plate, 17, a rotating block, 18, a fixing plate, 19, a third threaded rod, 20, a clamping block, 21, a connecting shaft, 22, a pulley, 23, a first bevel gear, 24, a second bevel gear, 25, a driven shaft, 26, a sliding groove, 27, a supporting block, 28, a rotating motor, 29, an arc-shaped groove, 30 and a transverse plate.

Detailed Description

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

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The lifting adjusting mechanism in this embodiment can be applied to various plate material conveying devices, for example, the following plate material conveying device is provided in this embodiment, and the lifting adjusting mechanism in this embodiment can be used to adjust the following plate material conveying device.

The plate carrying device comprises a device body, wherein a supporting plate is arranged at the bottom end of the device body, universal wheels are arranged at the bottom end of the supporting plate, a pushing rod is arranged at one end of the supporting plate, the supporting plate plays a supporting role, the device body is convenient to move through the universal wheels, the device body is pushed to move through the pushing rod, a fixing plate is arranged at one end of the supporting plate, a fixing hole is formed in the middle of the fixing plate, fixing grooves are formed in two sides of the fixing hole, a positioning rod is arranged inside the fixing groove, a spring is arranged on the outer side of one end of the positioning rod, a handle is arranged at one end of the positioning rod, a fixing rod is arranged inside the fixing hole, sliding grooves are formed in two sides of the fixing rod, a positioning hole is formed in one end of each sliding groove, a braking plate is arranged at one end of each fixing rod, and a pedal plate is arranged at the other end of each fixing rod, the fixing plate has the fixing effect, the fixing rod is convenient to mount through the fixing hole, the fixing groove has the storage effect, the fixing rod is positioned through the positioning rod and the positioning hole, the positioning rod is convenient to use through the spring, the positioning rod is convenient to use through the handle, the braking plate is convenient to mount and use through the fixing rod, the positioning rod is convenient to use through the sliding groove, the device body is braked through the braking plate, the fixing rod is convenient to use through the pedal plate, one side of the top end of the supporting plate is provided with a 4IK/80YYJT positive and negative rotation motor, one end of the 4IK/80 YJT positive and negative rotation motor is provided with a bidirectional threaded rod, the top end of the supporting plate is provided with a fixing frame, the middle part of the fixing frame is provided with a first threaded hole, and the bidirectional threaded rod is convenient to drive to rotate through the 4IK/80 YJT positive and negative rotation motor, the bidirectional threaded rod is supported by the fixing frame, the bidirectional threaded rod is convenient to mount through the threaded hole I, the supporting frame is arranged at the top end of the supporting plate, the moving groove is formed in the middle of the supporting frame, the placing plate is arranged on one side of the supporting frame, the moving rods are arranged at two ends of the placing plate, the supporting frame is used for supporting, the placing plate is convenient to fix through the moving groove and the moving rods, wood is convenient to place through the placing plate, the mounting head is arranged at the bottom end of the placing plate, the moving rod is arranged at one end of the mounting head, the moving plate is arranged at one end of the moving rod, the threaded hole II is formed in the middle of the moving plate, the fixing rings are arranged at two ends of the placing plate, the fixing ropes are arranged inside the fixing rings, and the placing plate and the moving rod are convenient to mount through the mounting head, play the effect of support through the movable rod, install through the movable plate movable rod and two-way threaded rod of being convenient for, remove through the movable plate of screw hole two being convenient for, be convenient for consolidate timber through solid fixed ring and fixed rope.

Of course, the present embodiment can also be used to adjust other configurations of the sheet handling device. Here, description is not repeated, and the following describes the plate conveying device according to the embodiment of the present application.

Referring to fig. 1-4, a plate carrying device for an engineering machine includes a cavity plate 1 and a lifting adjusting mechanism, wherein the top end of the outer wall of the cavity plate 1 is fixedly connected to the bottom end of a cover plate 16;

lifting adjusting mechanism includes fixed plate 18, fixed plate 18 has two, two both sides around one side difference fixed connection cover plate 16 outer walls that fixed plate 18 is close to each other, two fixed plate 18 center department rotates respectively to connect and runs through 19 tops of third threaded rod, two fixed connection turning block 17 bottom center department respectively on 19 tops of third threaded rod, two 19 bottoms of third threaded rod are respectively screw socket threaded sleeve 5 center department, two fixed connection connecting axle 21 tops are respectively located around 5 bottoms of screw sleeve, four connecting axle 21 slides respectively and cup joints and runs through two diaphragm 30 front and back both sides center department, two one side difference fixed connection cover plate 16 outer wall left and right sides below that diaphragm 30 is close to each other, four connecting axle 21 bottom is equipped with pulley 22 respectively.

The bottom ends of the left side and the right side of the outer wall of the two threaded sleeve plates 5 are respectively fixedly connected with a clamping block 20, the four clamping blocks 20 are respectively clamped at the top end of a transverse plate 30, the height adjustment stability of the pulley 22 is improved, the center of the bottom end of the rear side of the inner wall of the cover plate 16 is fixedly connected with one end of a rotating motor 28, the output end of the rotating motor 28 is fixedly connected with the rear end of a first threaded rod 3, the front end of the first threaded rod 3 is rotatably connected with the center of the side wall of the rear side of a supporting block 27, the bottom end of the inner wall of the cover plate 16 is fixedly connected with the front side of the bottom end of the inner wall of the cover plate 27, a U-shaped plate 8 is driven to move by the rotating motor 28, the outer wall of the first threaded rod 3 is in threaded sleeve connection with the center of the bottom end of the U-shaped plate 8, the left side and the right side above the U-shaped plate 8 are respectively in sliding sleeve connection with the inner cavity of a first limiting groove 7, the two first limiting grooves 7 are respectively horizontally embedded at the left side and the bottom end of a placing plate 12, and the bottom end of the U-shaped plate 8 is fixedly connected with the bottom end of a sliding plate 11, the upper part of the sliding plate 11 is sleeved in an inner cavity of a second limiting groove 9 in a sliding manner, the second limiting groove 9 is horizontally embedded in the center of the bottom end of a placing plate 12 to facilitate driving the placing plate 12 to incline, the rear parts of the left side and the right side of the placing plate 12 are respectively fixedly connected with one end of a rotating shaft 13, one side, far away from each other, of the two rotating shafts 13 is respectively sleeved on the left side and the right side of the inner wall of a cover plate 16 in a rotating manner, the front parts of the left side and the right side of the placing plate 12 are respectively sleeved in an inner cavity of an arc-shaped groove 29 in a sliding manner, the two arc-shaped grooves 29 are respectively embedded on the left side and the right side of the inner wall of the cover plate 16 to facilitate the rotation of the placing plate 12 through the rotating shafts 13, the bottom ends of the left side and the right side of the U-shaped plate 8 are respectively fixedly connected with one end of a sliding rod 4, one end, far away from each sliding rod 4 is respectively sleeved in an inner cavity of a sliding groove 26, the two sliding grooves 26 are respectively horizontally embedded below the left side and the right side of the inner wall of the cover plate 16 to enhance the stability of the U-shaped plate 8 in the moving process, a pressing plate 10 is arranged right above the placing plate 12, one end of each lifting block 14 is fixedly connected to the center of the left side and the right side of the pressing plate 10 respectively, the two lifting blocks 14 are slidably sleeved on the left side and the right side of an inner cavity of the cover plate 16 respectively, the two lifting blocks 14 are respectively in threaded sleeve connection with the outer wall of the second threaded rod 15, the top ends of the two second threaded rods 15 are respectively in rotary connection with the top end of the inner wall of the cover plate 16, the bottom ends of the two second threaded rods 15 are respectively in fixed connection with a driven shaft 25, the pressing plate 10 is driven to ascend and descend through the rotation of the driven shaft 25, the bottom ends of the two driven shafts 25 are respectively in rotary connection and penetrate through the left side and the right side of the top end of the cavity plate 1, the bottom ends of the two driven shafts 25 are respectively in fixed sleeve connection with second bevel gears 24, the two second bevel gears 24 are respectively in meshing fit with the first bevel gears 23, and the two first bevel gears 23 are respectively fixedly sleeved on the left side and the right side of the outer wall of the driving shaft 2, device driving shaft 2 left and right sides both ends are fixed connection carousel 6 respectively, two carousel 6 rotates respectively to connect and runs through cavity board 1 left and right sides center department, drives driven shaft 25 through rotating carousel 6 and rotates, pivot 13 highly is higher than the height that sliding plate 11 top was located, has guaranteed to place board 12 and can place by the slope.

When the utility model is used, electrical components appearing in the application are externally connected with a power supply and a control switch, the device is pushed by a pulley 22 to move to a specified plate loading and unloading place, the rotating blocks 17 respectively drive a third threaded rod 19 to rotate by rotating the two rotating blocks 17, two threaded sleeve plates 5 in threaded fit with the third threaded rod 19 respectively vertically move upwards along the third threaded rod 19 under the limitation of a connecting shaft 21, so that the two threaded sleeve plates 5 drive the pulley 22 to vertically move upwards by the connecting shaft 21 until the pulley 22 is moved to be separated from the ground, the bottom end of the cavity plate 1 is contacted with the ground, the plate loading and unloading are convenient, similarly, the pulley 22 can be driven to contact the ground again by reversing the rotating blocks 17 until the clamping block 20 is driven to be clamped at the top end of the transverse plate 30, the position of the pulley 22 is fixed, and the pulley 22 is convenient to drive the device to move, by starting the rotating motor 28, the rotating motor 28 drives the first threaded rod 3 to rotate, the U-shaped plate 8 in threaded fit with the first threaded rod 3 moves horizontally along the first threaded rod 3, the U-shaped plate 8 drives the sliding plate 11 to move towards the end close to the rotating shaft 13 together, so that the U-shaped plate 8 and the sliding plate 11 drive the placing plate 12 to rotate together, the placing plate 12 rotates along the arc-shaped groove 29 until the end, far away from the rotating shaft 13, of the placing plate 12 rotates to be lapped on the top end of the supporting block 27, the oblique placing of the placing plate 12 facilitates the transportation of the plates, the labor force for workers to load and unload the plates is saved, after the plates are conveyed onto the placing plate 12, the rotating motor 28 is rotated reversely, the first threaded rod 3 drives the U-shaped plate 8 and the second limiting groove 9 to move to the end far away from the rotating shaft 13, the placing plate 12 rotates to be in a balanced state, and then, the rotating turntable 6 drives the driving shaft 2 to rotate, the driving shaft 2 drives the first bevel gear 23 to rotate, the second bevel gear 24 meshed and matched with the first bevel gear 23 rotates along with the first bevel gear, the second bevel gear 24 drives the driven shaft 25 to rotate, the driven shaft 25 drives the second threaded rod 15 to rotate, the two lifting blocks 14 in threaded fit with the second threaded rod 15 limit each other, the pressing plate 10 is driven to vertically move downwards, the pressing plate 10 is made to compress a plate on the top of the placing plate 12, fixing of the plate is achieved, and therefore the plate is convenient to carry to a designated area.

The application has the advantages that:

1. the plate loading and unloading device is simple in operation, the two rotating blocks are rotated to respectively drive the third threaded rod to rotate, the two thread sleeve plates in threaded fit with the third threaded rod vertically move upwards under the limitation of the connecting shaft respectively, the two thread sleeve plates drive the pulley to vertically move upwards through the connecting shaft until the pulley is moved to be separated from the ground, the bottom end of the cavity plate is contacted with the ground, the plate loading and unloading are convenient, similarly, the pulley can be driven to contact the ground again through the reverse rotating blocks until the clamping blocks are driven to be clamped with the top end of the transverse plate, the position of the pulley is fixed, and the pulley driving device is convenient to move;

2. the structure is reasonable, the rotating motor is started, the rotating motor drives the first threaded rod to rotate, the U-shaped plate in threaded fit with the first threaded rod horizontally moves along the first threaded rod, the U-shaped plate drives the sliding plate to move towards one end close to the rotating shaft together, so that the U-shaped plate and the sliding plate drive the placing plate together to rotate, the placing plate rotates along the arc-shaped groove until one end, far away from the rotating shaft, of the placing plate rotates to be lapped on the top end of the supporting block, the oblique placing of the placing plate facilitates the transportation of the plates at the moment, the labor force for workers to load and unload the plates is saved, after the plates are conveyed onto the placing plate, the rotating motor is rotated reversely, the first threaded rod drives the U-shaped plate and the second limiting groove to move to one end, far away from the rotating shaft, and the placing plate rotates to a balanced state at the moment;

3. this application is through rotating the carousel, the carousel drives the driving shaft and rotates, the driving shaft drives first bevel gear and rotates, rotate thereupon with first bevel gear meshing complex second bevel gear, second bevel gear drives the driven shaft and rotates, the driven shaft drives the second threaded rod and rotates, restrict each other with two elevator of second threaded rod screw-thread fit, drive the vertical downstream of clamp plate jointly, make the clamp plate compress tightly the panel of placing the board top, the realization is fixed to panel, thereby the convenience is carried panel to the specified area.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A plate conveying device for construction machinery, characterized in that: the lifting device comprises a cavity plate (1) and a lifting adjusting mechanism, wherein the top end of the outer wall of the cavity plate (1) is fixedly connected with the bottom end of a cover plate (16);

the lifting adjusting mechanism comprises two fixing plates (18), one side of each fixing plate (18) close to each other is fixedly connected with the front side and the rear side of the outer wall of the cover plate (16), the center of each fixing plate (18) is rotatably connected with and penetrates through the top end of a third threaded rod (19), the top ends of the third threaded rods (19) are fixedly connected with the center of the bottom end of a rotating block (17), the bottom ends of the third threaded rods (19) are respectively in threaded sleeve connection with the center of a threaded sleeve plate (5), the centers of the front side and the rear side of the bottom end of the threaded sleeve plate (5) are respectively fixedly connected with the top ends of connecting shafts (21), the four connecting shafts (21) are respectively in sliding sleeve connection with and penetrate through the centers of the front side and the rear side of two transverse plates (30), one side of each transverse plate (30) close to each other is fixedly connected with the lower sides of the left side and the right side of the outer wall of the cover plate (16), pulleys (22) are respectively arranged at the bottom ends of the four connecting shafts (21).

2. The board conveying device for construction machinery according to claim 1, wherein: two the bottom of the left and right sides of the outer wall of the threaded sleeve plate (5) is fixedly connected with a fixture block (20) respectively, and the fixture blocks (20) are clamped with the top end of the transverse plate (30) respectively.

3. The board conveying device for construction machinery according to claim 1, wherein: the inner wall rear side of the cover plate (16) is fixedly connected with one end of a rotating motor (28) at the center of the bottom end, the output end of the rotating motor (28) is fixedly connected with the rear end of a first threaded rod (3), the front end of the first threaded rod (3) is rotatably connected with the center of the side wall of the rear side of a supporting block (27), and the bottom end of the supporting block (27) is fixedly connected with the front side of the bottom end of the inner wall of the cover plate (16).

4. The board conveying device for construction machinery according to claim 3, wherein: first threaded rod (3) outer wall screw thread cup joints U template (8) bottom center department, the both sides slide respectively and cup joint in first spacing groove (7) inner chamber about U template (8) top, two first spacing groove (7) level respectively inlays and places the board (12) bottom left and right sides.

5. The board conveying device for construction machinery according to claim 4, wherein: the bottom center of the U-shaped plate (8) is fixedly connected with the bottom end of a sliding plate (11), the sliding plate (11) is sleeved in an inner cavity of a second limiting groove (9) in a sliding mode, and the second limiting groove (9) is horizontally embedded in the bottom center of a placing plate (12).

6. The board conveying device for construction machinery according to claim 4, wherein: place board (12) left and right sides rear fixed connection pivot (13) one end respectively, two one side that pivot (13) kept away from each other rotates respectively and cup joints in cover plate (16) inner wall left and right sides, place board (12) left and right sides place ahead and slide respectively and cup joint in arc wall (29) inner chamber, two arc wall (29) inlay respectively in the cover plate (16) inner wall left and right sides.

7. The board conveying device for construction machinery according to claim 4, wherein: the bottom ends of the left side and the right side of the U-shaped plate (8) are respectively fixedly connected with one end of a sliding rod (4), the two ends, far away from each other, of the sliding rods (4) are respectively sleeved in an inner cavity of a sliding chute (26) in a sliding mode, and the two sliding chutes (26) are respectively horizontally embedded below the left side and the right side of the inner wall of the cover plate (16).

8. The board conveying device for construction machinery according to claim 4, wherein: place board (12) and be equipped with clamp plate (10) directly over, clamp plate (10) left and right sides center punishment is fixed connection elevator (14) one end respectively, two elevator (14) slide respectively and cup joint in cover plate (16) inner chamber left and right sides, two elevator (14) respectively the screw thread cup joint at second threaded rod (15) outer wall, two second threaded rod (15) top is rotated respectively and is connected cover plate (16) inner wall top, two second threaded rod (15) bottom is fixed connection driven shaft (25) respectively.

9. The board conveying device for construction machinery according to claim 8, wherein: two driven shaft (25) bottom rotates respectively to be connected and runs through the cavity board (1) top left and right sides, two driven shaft (25) bottom is fixed respectively and cup joints second bevel gear (24), two second bevel gear (24) meshing cooperation first bevel gear (23) respectively, two first bevel gear (23) are fixed respectively and cup joint in driving shaft (2) outer wall left and right sides, and both ends are fixed connection carousel (6) respectively about device driving shaft (2), two carousel (6) rotate respectively to connect and run through cavity board (1) left and right sides center department.

10. The board conveying device for construction machinery according to claim 6, wherein: the height of the rotating shaft (13) is higher than that of the top end of the sliding plate (11).