CN216238138U - Material handling device is used in bridge construction - Google Patents

Abstract

The application discloses a material carrying device for bridge construction, which comprises a base and a feeding mechanism, wherein the top end of the outer wall of the base is fixedly connected with the bottom end of a surrounding plate, and the centers of the top ends of the front side and the rear side of the inner wall of the surrounding plate are respectively and fixedly connected with the front side and the rear side of a top plate; the feeding mechanism comprises two slope plates, and one sides of the two slope plates, which are close to each other, are fixedly connected with one sides of the vertical plates respectively. Through starting two second motors, the second motor drives the third threaded rod and rotates, the lifter plate that cup joints with the third threaded rod screw thread is along the vertical downstream of third threaded rod respectively under the cooperation restriction of third spacing groove and gag lever post, make two lifter plates drive the pulley respectively and run through base bottom lateral wall and contact ground, can pass through the removal of pulley realization device this moment, thereby conveniently transport the assigned position to the material, and the reversal second motor can drive the pulley and remove to the cavity again in, it is fixed to make base contact ground realization device, be convenient for feed and unload.

Description

Material handling device is used in bridge construction

Technical Field

The application relates to the field of bridge construction, in particular to a material carrying device for bridge construction.

Background

The bridge is generally a structure erected on rivers, lakes and seas to enable vehicles, pedestrians and the like to smoothly pass through, is suitable for the modern high-speed developed traffic industry, is also extended to be a building erected to span mountain buildings, unfavorable geology or meet other traffic requirements to enable the vehicles, pedestrians and the like to pass through more conveniently, and generally comprises an upper structure, a lower structure, a support and an auxiliary structure, wherein the upper structure is also called a bridge span structure and is a main structure for crossing obstacles, and materials are generally required to be transported to a high place in the construction process of the existing bridge.

The transport case needs the manual work to be carried the material to current handling device, then transports through the crane, causes the waste of human cost to current handling device lacks the safeguard measure to construction material. Therefore, a material conveyance device for bridge construction is proposed to solve the above problems.

Disclosure of Invention

The utility model provides a material handling device for bridge construction is used for solving the very hard problem of the artifical transport of construction material among the prior art in this embodiment.

According to one aspect of the application, the material carrying device for bridge construction comprises a base and a feeding mechanism, wherein the top end of the outer wall of the base is clamped with the bottom end of a surrounding plate, and the centers of the top ends of the front side and the rear side of the inner wall of the surrounding plate are fixedly connected with the front side and the rear side of a top plate respectively;

the feeding mechanism comprises two slope plates, one side of each slope plate, which is close to each other, is fixedly connected with one side of a vertical plate, the two vertical plates are respectively sleeved on the left side and the right side of the inner cavity of the base in a sliding manner, a double-shaft motor is fixedly connected at the center of the bottom end of the inner wall of each vertical plate, the double-shaft motor output end is respectively fixedly connected with the driving shafts, two one ends, far away from each other, of the driving shafts are respectively fixedly sleeved with a first bevel gear, two first bevel gears are respectively meshed with a second bevel gear, two second bevel gears are respectively fixedly sleeved at the centers of the outer walls of the second threaded rods, two ends of the left side and the right side of the inner wall of the base are respectively rotatably connected with the front end and the rear end of the left side and the right side of the inner wall of the base, two driving shafts are respectively rotatably connected with and run through supporting plates, and the supporting plates are respectively vertically fixedly sleeved on the left side and the right side, close to the centers, of the inner wall of the base.

And furthermore, the left and right sides of the second threaded rod are opposite in thread direction, the left and right sides of the second threaded rod are respectively in threaded sleeve connection with the movable plates, and one sides of the movable plates, which are close to each other, are respectively fixedly connected with the centers of the front and rear sides of the two vertical plates.

Further, two cavity, two have been inlayed respectively in ramp bottom center department the cavity inner wall top end fixed cup joint second motor, two second motor output fixed connection third threaded rod top, two the lifter plate is cup jointed to third threaded rod outer wall screw.

Furthermore, the centers of the left side and the right side of the two lifting plates are respectively fixedly connected with one end of a limiting rod, one sides, far away from each other, of the two limiting rods are respectively sleeved in an inner cavity of a third limiting groove in a sliding mode, and the two third limiting grooves are vertically embedded in the left side and the right side of the inner wall of the cavity.

Furthermore, two both sides are fixed connection pulley respectively around the lifter plate bottom, and two sets of pulley runs through the base bottom left and right sides respectively.

Further, base inner chamber top center department fixed connection first motor, first motor output fixed connection first threaded rod bottom, first threaded rod outer wall bottom rotates and connects base outer wall top center department, first threaded rod screw thread cup joints at the lift axle inner chamber, lift axle top fixed connection roof bottom center department.

Furthermore, the centers of the front side and the rear side of the bottom end of the top plate are respectively and fixedly connected with the top ends of the limiting telescopic rods, and the bottom ends of the limiting telescopic rods are respectively and fixedly connected with the centers of the front side and the rear side of the top end of the base.

Furthermore, two sets of moving plates are respectively fixedly connected with second limiting blocks at the center of one side far away from each other, the second limiting blocks are respectively sleeved in the inner cavities of the second limiting grooves in a sliding manner, and the second limiting grooves are respectively horizontally embedded in the front side and the rear side of the inner wall of the base.

Further, the top of the baffle is clamped on the left side and the right side of the bottom end of the top plate respectively, the two bottom ends of the baffle are fixedly connected to the top end of the outer wall of the base respectively, the two ends of the baffle are uniformly and fixedly connected to one side of the baffle, which is far away from the baffle, of one end of a plurality of springs respectively, and the other ends of the springs are fixedly connected to one side of the two buffer plates, which is close to the other end of the spring.

Furthermore, two the first stopper of fixed connection respectively in buffer board bottom center department, two first stopper slides respectively and cup joints at first spacing inslot chamber, two first spacing groove level inlays the base outer wall top left and right sides respectively.

Through the above-mentioned embodiment of this application, adopted feed mechanism, solved the artifical very hard problem of transport of construction material, improved the efficiency of artifical transport.

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 an enlarged view of a portion of the structure of FIG. 2 according to an embodiment of the present disclosure;

FIG. 4 is a side view of the overall internal structure of one embodiment of the present application;

FIG. 5 is a side view of a lifter plate attachment configuration according to an embodiment of the present application.

In the figure: 1. a base; 2. a first stopper; 3. a buffer plate; 4. a first threaded rod; 5. a top plate; 6. a lifting shaft; 7. a baffle plate; 8. a spring; 9. a first limit groove; 10. enclosing plates; 11. a first motor; 12. a first bevel gear; 13. a vertical plate; 14. a ramp plate; 15. a pulley; 16. a cavity; 17. a second threaded rod; 18. limiting the telescopic rod; 19. moving the plate; 20. a second bevel gear; 21. a drive shaft; 22. a double-shaft motor; 23. a second limit groove; 24. a second limiting block; 25. a second motor; 26. a third limiting groove; 27. a limiting rod; 28. a third threaded rod; 29. a lifting plate; 30. and a support 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 feeding mechanism in this embodiment may be applied to various conveying devices, for example, the following conveying device is provided in this embodiment, and the feeding mechanism in this embodiment may be used to feed the following conveying device.

This handling device includes the bridge plank, first logical groove has been seted up at the upper end middle part of bridge plank, equal fixed mounting in lower extreme left part and the right part edge of bridge plank has a backup pad, the spout has been seted up at the middle part of backup pad, and the cell wall bottom of left side spout alternates and is connected with the threaded rod, the positive and negative motor of upper end left part fixedly connected with of bridge plank, the threaded rod runs through the lower extreme left part and the swing joint of bridge plank at the output of positive and negative motor, the surface lower part of threaded rod is provided with slider, slider's front end left part fixedly connected with motor, the output of motor is provided with rotates the extrusion device, the surface middle part of rotating the extrusion device is connected with handling device. The sliding device is mainly structurally provided with a sliding plate, the sliding plate moves upwards to drive the carrying device to move upwards, the middle part of the upper end of the sliding plate is provided with a groove, the front side and the rear side of the right part of the sliding plate are respectively and alternately connected with a limiting rod, the limiting rod is used for limiting the sliding plate, the upper end and the lower end of the limiting rod are fixedly connected in the groove wall of a right sliding groove, and the sliding plate is in threaded connection with the lower part of the outer surface of a threaded rod to movably connect the sliding device and the threaded rod; the main structure of the rotary extrusion device is provided with a first rotating rod and two groups of first connecting plates, the two groups of first connecting plates are fixedly connected to the front part and the rear part of the outer surface of the first rotating rod, the upper parts of opposite surfaces of the first connecting plates are connected with a second rotating rod in an inserting manner, and the first rotating rod is movably connected to the output end of a motor to movably connect the rotary extrusion device and the motor together; the carrying device is mainly structurally provided with a placing plate, the placing plate is used for placing construction materials, a placing groove is formed in the upper end of the placing plate, a third rotating rod is connected to the right portion of the placing plate in an inserting mode, a partition plate is fixedly connected to the outer surface of the third rotating rod and used for preventing the construction materials from falling off, the partition plate is located on the right portion of the placing groove, the third rotating rod penetrates through the front side groove wall of the placing groove and is fixedly connected with a rotating handle, and the placing plate is movably connected to the middle portion of the outer surface of the rotating extrusion device and movably connects the carrying device with the rotating extrusion device; a fixed block is fixedly arranged at the lower part of the right end of the supporting plate, an inclined plate is fixedly connected to the right end of the fixed block, and the upper part of the left end of the inclined plate is contacted with the right end of the rotary extrusion device; the first through groove and the carrying device are positioned on the same vertical line.

Of course, the present embodiment can also be used for loading other carrying devices. Here, description is not repeated, and the conveying device according to the embodiment of the present application is described below.

Referring to fig. 1-5, a material carrying device for bridge construction comprises a base 1 and a feeding mechanism, wherein the top end of the outer wall of the base 1 is clamped with the bottom end of a coaming 10, and the centers of the top ends of the front and rear sides of the inner wall of the coaming 10 are respectively and fixedly connected with the front and rear sides of a top plate 5;

the feeding mechanism comprises two slope plates 14, one side of each slope plate 14 close to each other is fixedly connected with one side of a vertical plate 13, the two vertical plates 13 are respectively sleeved on the left side and the right side of the inner cavity of the base 1 in a sliding manner, a double-shaft motor 22 is fixedly connected at the center of the bottom end of the inner wall of each vertical plate 13, the output end of the double-shaft motor 22 is fixedly connected with the driving shafts 21 respectively, one end, away from each other, of each driving shaft 21 is fixedly sleeved with a first bevel gear 12, the first bevel gears 12 are meshed with second bevel gears 20 respectively, the second bevel gears 20 are fixedly sleeved at the centers of the outer walls of the second threaded rods 17 respectively, the left ends and the right ends of the second threaded rods 17 are rotatably connected with the front ends and the rear ends of the left side and the right side of the inner wall of the base 1 respectively, the driving shafts 21 are rotatably connected with the supporting plates 30 respectively and penetrate through the supporting plates 30, and the supporting plates 30 are vertically fixedly sleeved on the left sides and the right sides, close to the centers, of the inner wall of the base 1 respectively.

The left and right sides of the two second threaded rods 17 are opposite in thread direction, the left and right sides of the two second threaded rods 17 are respectively in threaded sleeve connection with a movable plate 19, one side of each movable plate 19, which is close to each other, is respectively fixedly connected with the centers of the front and rear sides of two vertical plates 13, the movable plate 19 is driven to move by rotating the second threaded rods 17, cavities 16 are respectively embedded in the centers of the bottom ends of two slope plates 14, the top ends of the inner walls of the two cavities 16 are fixedly sleeved with second motors 25, the output ends of the two second motors 25 are fixedly connected with the top ends of third threaded rods 28, the outer walls of the two third threaded rods 28 are in threaded sleeve connection with lifting plates 29, the lifting plates 29 are driven to lift by rotating the second motors 25, the centers of the left and right sides of the two lifting plates 29 are respectively and fixedly connected with one ends of limiting rods 27, and one sides of the two groups of the limiting rods 27, which are far away from each other, are respectively in sliding sleeve connection with the inner cavities of third limiting grooves 26, two sets of the third limiting grooves 26 are vertically embedded on the left side and the right side of the inner wall of the cavity 16 respectively to limit the rotation of the lifting plate 29, the front side and the rear side of the bottom end of the two lifting plates 29 are fixedly connected with pulleys 15 respectively, the two sets of the pulleys 15 penetrate through the left side and the right side of the bottom end of the base 1 respectively to facilitate the movement of the device driven by the pulleys 15, a first motor 11 is fixedly connected at the center of the top end of the inner cavity of the base 1, the output end of the first motor 11 is fixedly connected with the bottom end of a first threaded rod 4, the bottom end of the outer wall of the first threaded rod 4 is rotatably connected with the center of the top end of the outer wall of the base 1, the first threaded rod 4 is in threaded sleeve connection with the inner cavity of the lifting shaft 6, the top end of the lifting shaft 6 is fixedly connected with the center of the bottom end of the top plate 5, the front side and the rear side of the top end of the inner wall of the enclosing plate 10 are fixedly connected with the center of the front side and rear side of the inner wall of the enclosing plate 10, and the left side and right side of the outer wall of the base 1 are respectively in clamping connection with the left side and right side of the bottom end of the enclosing plate 10, the apron 10 is conveniently driven to lift by a first motor 11, the centers of the front side and the rear side of the bottom end of the top plate 5 are respectively and fixedly connected with the top ends of limiting telescopic rods 18, the bottom ends of the two limiting telescopic rods 18 are respectively and fixedly connected with the centers of the front side and the rear side of the top end of the base 1 to limit the rotation of the lifting shaft 6, the centers of the sides, far away from each other, of the two groups of movable plates 19 are respectively and fixedly connected with second limiting blocks 24, the two groups of second limiting blocks 24 are respectively and slidably sleeved in the inner cavities of second limiting grooves 23, the two groups of second limiting grooves 23 are respectively and horizontally embedded in the front side and the rear side of the inner wall of the base 1, one sides, far away from each other, of the two baffles 7 are respectively and uniformly and fixedly connected with one ends of a plurality of springs 8, the other ends of the plurality of springs 8 are respectively and fixedly connected with one side, close to each other, the cushioning plates 3 are additionally provided with cushioning protection for materials, and the centers of the bottoms of the two cushioning plates 3 are respectively and are fixedly connected with first limiting blocks 2, two first stopper 2 slides respectively and cup joints at first spacing groove 9 inner chamber, two first spacing groove 9 level respectively inlays in the 1 outer wall top left and right sides of base, restriction baffle 7's displacement.

When the utility model is used, electrical components appearing in the application are externally connected with a power supply and a control switch, the second motor 25 is started to drive the third threaded rod 28 to rotate, the lifting plate 29 in threaded sleeve connection with the third threaded rod 28 respectively moves vertically and downwards along the third threaded rod 28 under the matching limitation of the third limiting groove 26 and the limiting rod 27, so that the two lifting plates 29 respectively drive the pulley 15 to penetrate through the side wall of the bottom end of the base 1 and contact the ground, the movement of the device can be realized through the pulley 15 at the moment, the material is conveniently transported to a designated position, the pulley 15 can be driven by reversely rotating the second motor 25 to move into the cavity 16 again, the base 1 is contacted with the ground to realize the fixation of the device, the loading and the unloading are convenient, when the loading and the unloading are needed, the double-shaft motor 22 is started, the double-shaft motor 22 drives the driving shaft 21 to rotate, the driving shaft 21 drives the first bevel gear 12 to rotate, the second bevel gears 20 meshed and matched with the first bevel gear 12 rotate along with the first bevel gears, the two second bevel gears 20 respectively drive the second threaded rods 17 to rotate, the two groups of movable plates 19 in threaded fit with the second threaded rods 17 respectively drive the two vertical plates 13 to move towards directions away from each other, so that the two vertical plates 13 respectively drive the slope plates 14 to move to the inner cavity of the base 1, the slope plates 14 are arranged to facilitate materials to be pushed onto the base 1 from the slope surface, physical strength waste of workers due to direct carrying is avoided, when loading and unloading are not needed, the double-shaft motor 22 is reversed, the two slope plates 14 are conveniently moved into the inner cavity of the base 1 again, the situation that the occupied space of the slope plates 14 is large is avoided, the first motor 11 drives the first threaded rod 4 to rotate by starting the first motor 11, the lifting shaft 6 in threaded fit with the first threaded rod 4 vertically moves upwards along the first threaded rod 4 under the limitation of the limit telescopic rod 18, make lift axle 6 drive bounding wall 10 and rise to the assigned height, for the transport of material provides the space, the material is placed and is accomplished the back, and first motor 11 of reversal makes lift axle 6 drive bounding wall 10 joint on 1 top of base, realizes the protection of sheltering from the material, avoids the material to drop base 1 to make spring 8 cooperation buffer board 3, increase the buffering protection to the material, realize the protection to the material transportation.

The application has the advantages that:

1. the material conveying device is simple in operation, the two second motors are started, the second motors drive the third threaded rods to rotate, the lifting plates in threaded sleeve connection with the third threaded rods respectively move vertically and downwards along the third threaded rods under the limit of the cooperation of the third limiting grooves and the limiting rods, the two lifting plates respectively drive the pulleys to penetrate through the side wall of the bottom end of the base and contact the ground, the device can be moved through the pulleys, materials can be conveniently conveyed to a designated position, the pulleys can be driven to move into the cavity again by reversing the second motors, the base is made to contact the ground, the device is fixed, and the materials are conveniently conveyed and unloaded;

2. the double-shaft motor is started, the double-shaft motor drives the driving shaft to rotate, the driving shaft drives the first bevel gear to rotate, the second bevel gear meshed with the first bevel gear rotates along with the first bevel gear, the two second bevel gears drive the second threaded rod to rotate respectively, the two groups of movable plates in threaded fit with the second threaded rod drive the two vertical plates to move towards directions away from each other respectively, the two vertical plates drive the slope plates to move to the inner cavity of the base respectively, the slope plates are arranged to facilitate materials to be pushed onto the base from the slope surface, physical strength waste of workers due to direct carrying is avoided, when the materials do not need to be loaded or unloaded, the double-shaft motor is reversed, the two slope plates are conveniently moved to the inner cavity of the base again, and the slope plates are prevented from occupying large space;

3. this application is through starting first motor, first motor drives first threaded rod and rotates, with first threaded rod screw-thread fit's lift axle along the vertical rebound of first threaded rod under spacing telescopic link's restriction, make the lift axle drive the bounding wall and rise to the assigned height, provide the space for the transport of material, the material is placed and is accomplished the back, the first motor of reversal, make the lift axle drive the bounding wall joint on the base top, realize the protection of sheltering from to the material, avoid the material to drop the base, and make spring fit buffer board, increase the buffer protection to the material, realize the protection to material transportation.

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 (10)

1. The utility model provides a material handling device is used in bridge construction which characterized in that: the feeding mechanism comprises a base (1) and a feeding mechanism, wherein the top end of the outer wall of the base (1) is clamped with the bottom end of a surrounding plate (10), and the centers of the top ends of the front side and the rear side of the inner wall of the surrounding plate (10) are respectively and fixedly connected with the front side and the rear side of a top plate (5);

the feeding mechanism comprises two slope plates (14), one side of each of the two slope plates (14) close to each other is fixedly connected with one side of a vertical plate (13), the two vertical plates (13) are respectively sleeved on the left side and the right side of an inner cavity of the base (1) in a sliding manner, a double-shaft motor (22) is fixedly connected with the center of the bottom end of the inner wall of the two vertical plates (13), the output end of the double-shaft motor (22) is respectively and fixedly connected with a driving shaft (21), one ends of the two driving shafts (21) far away from each other are respectively and fixedly sleeved with first bevel gears (12), the two first bevel gears (12) are respectively engaged with second bevel gears (20), the two second bevel gears (20) are respectively and fixedly sleeved on the center of the outer wall of a second threaded rod (17), the left end and the right end of the two second threaded rods (17) are respectively and rotatably connected with the front end and the rear end of the left side and the right side of the inner wall of the base (1), the two driving shafts (21) are respectively rotatably connected and penetrate through the supporting plates (30), and the two supporting plates (30) are respectively vertically and fixedly sleeved on the left side and the right side of the inner wall of the base (1) close to the center.

2. The material conveying device for bridge construction according to claim 1, characterized in that: two the second threaded rod (17) left and right sides screw thread opposite direction, two movable plate (19), four are cup jointed to the second threaded rod (17) left and right sides screw thread respectively movable plate (19) both sides center department around two risers of fixed connection (13) respectively one side that is close to each other movable plate (19).

3. The material conveying device for bridge construction according to claim 1, characterized in that: two cavity (16), two have been inlayed respectively in ramp (14) bottom center department the fixed second motor (25) that cup joints of cavity (16) inner wall top, two second motor (25) output fixed connection third threaded rod (28) top, two lifter plate (29) is cup jointed to third threaded rod (28) outer wall screw thread.

4. The material conveying device for bridge construction according to claim 3, characterized in that: two the left and right sides center department of lifter plate (29) is fixed connection gag lever post (27) one end respectively, and two sets of gag lever post (27) one side of keeping away from each other slides respectively and cup joints at third spacing groove (26) inner chamber, and two sets of third spacing groove (26) are vertical respectively to inlay in the cavity (16) inner wall left and right sides.

5. The material conveying device for bridge construction according to claim 3, characterized in that: two both sides are fixed connection pulley (15) respectively around lifter plate (29) bottom, and two sets of pulley (15) run through base (1) bottom left and right sides respectively.

6. The material conveying device for bridge construction according to claim 1, characterized in that: base (1) inner chamber top center department fixed connection first motor (11), first motor (11) output fixed connection first threaded rod (4) bottom, first threaded rod (4) outer wall bottom is rotated and is connected base (1) outer wall top center department, first threaded rod (4) screw thread cup joints at lift axle (6) inner chamber, lift axle (6) top fixed connection roof (5) bottom center department.

7. The material conveying device for bridge construction according to claim 1, characterized in that: the center of the front side and the rear side of the bottom end of the top plate (5) are respectively and fixedly connected with the top ends of the limiting telescopic rods (18), and the bottom ends of the limiting telescopic rods (18) are respectively and fixedly connected with the center of the front side and the rear side of the top end of the base (1).

8. The material conveying device for bridge construction according to claim 2, characterized in that: two sets of the moving plate (19) keep away from one side center department respectively fixed connection second stopper (24) each other, two sets of second stopper (24) slide respectively and cup joint in second spacing groove (23) inner chamber, and two sets of second spacing groove (23) level inlays both sides around base (1) inner wall respectively.

9. The material conveying device for bridge construction according to claim 1, characterized in that: roof (5) bottom left and right sides joint baffle (7) top respectively, two baffle (7) bottom fixed connection base (1) outer wall top respectively, two one side that baffle (7) kept away from each other is a plurality of spring (8) one end of even fixed connection respectively, and is a plurality of one side that two buffer board (3) of fixed connection are close to each other respectively to the spring (8) other end.

10. The material conveying device for bridge construction according to claim 9, characterized in that: two the first stopper (2) of fixed connection respectively, two are located at buffer board (3) bottom center first stopper (2) slide respectively and cup joint at first spacing groove (9) inner chamber, two first spacing groove (9) level respectively inlays in base (1) outer wall top left and right sides.

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