CN116084238A

CN116084238A - Stone laying device for civil engineering

Info

Publication number: CN116084238A
Application number: CN202211374085.0A
Authority: CN
Inventors: 杨永峰; 宋忱潞; 鄢必阳
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-05-09

Abstract

The invention relates to the technical field of civil engineering stone paving, in particular to a stone paving device for civil engineering, which comprises a vehicle body, a fixing mechanism, a width adjusting mechanism, a height adjusting mechanism and a paving plate, wherein the vehicle body comprises a vehicle body and a vehicle hopper; the fixing mechanism is fixedly arranged at the rear end of the vehicle body; the width adjusting mechanism is arranged on the fixing mechanism; the two laying plates can be unfolded or folded and are arranged at the working ends of the width adjusting mechanism; the height adjusting mechanism comprises two threaded telescopic rods which are arranged on the two paving plates respectively and used for adjusting the heights of the paving plates, and a synchronous belt driving mechanism which is used for driving the two threaded telescopic rods to work simultaneously.

Description

Stone laying device for civil engineering

Technical Field

The invention relates to the technical field of civil engineering stone paving, in particular to a stone paving device for civil engineering.

Background

In the civil engineering construction process, stones are required to be paved on the roadbed of a road when the road is constructed. Finally, cement concrete is poured on the stones, and the stones are uniformly paved, so that the method is very important for constructing the pavement.

In the process of paving Dan Zishi, stones are not easy to spread and uniformly paved on a foundation due to the placed stones, in the prior art, the stones cannot be automatically paved according to the widths of different pavements, paving tools with required lengths are required to be customized for operation, the paving tools are generally fixed and cannot be automatically adjusted, and the paving tools cannot be adjusted according to the paving height of actual stones when the stones are spread, so that the height difference is caused when the stones are paved, and the road construction quality is not improved.

Disclosure of Invention

To the problem that prior art exists, provide a stone laying device for civil engineering, this application is through fixed establishment, width adjustment mechanism, high adjustment mechanism and the mutually supporting of laying the board, has solved the technical problem that can realize automatic laying according to different road surface width and has adjusted the height that the stone was laid automatically, promotes the construction quality of road.

In order to solve the problems in the prior art, the invention adopts the following technical scheme:

the stone paving device for civil engineering comprises a vehicle body, wherein the vehicle body comprises a vehicle body and a vehicle hopper, and further comprises a fixing mechanism, a width adjusting mechanism, a height adjusting mechanism and a paving plate;

the fixing mechanism is fixedly arranged at the rear end of the vehicle body;

the width adjusting mechanism is arranged on the fixing mechanism;

the two laying plates can be unfolded or folded and are arranged at the working ends of the width adjusting mechanism;

the height adjusting mechanism comprises two threaded telescopic rods which are respectively arranged on the two paving plates and used for adjusting the heights of the paving plates, and a synchronous belt driving mechanism which is used for driving the two threaded telescopic rods to work simultaneously.

Preferably, the width adjusting mechanism comprises a first servo motor, a first vertical plate, a transverse plate, a hinge part, a screw rod, a sliding block, a connecting rod and a bearing seat;

the first vertical plate is vertically arranged on the fixing mechanism;

the hinge part is arranged on the side wall of the lower end of the first vertical plate far away from the fixing mechanism, and the two laying plates are coaxially hinged on the hinge part;

the transverse plate is horizontally arranged on the first vertical plate and is positioned above the hinge part;

the bearing seat is arranged at the tail end of the transverse plate;

the screw rod is horizontally and rotatably arranged below the transverse plate, one end of the screw rod is connected to the first vertical plate in a penetrating way, and the other end of the screw rod is connected with the bearing seat in a shaft way;

the sliding block is arranged on the screw rod, a screw hole is formed in the sliding block, the screw hole is in threaded fit with the screw rod, a limiting block is arranged at one end, close to the transverse plate, of the sliding block, and a bar-shaped limiting groove for the limiting block to translate is formed in the transverse plate;

the two connecting rods are provided with a pair of mirror-image hinges and are arranged on two sides of the sliding block, and one ends of the two connecting rods, which are far away from the sliding block, are respectively hinged with the top of the paving plate, which is close to the hinge part;

the first servo motor is arranged on the first vertical plate, and an output shaft of the first servo motor is in transmission connection with one end of the screw rod.

Preferably, the hinge part includes a second riser, a horizontally extending plate, and a fixed shaft;

the second vertical plate is vertically arranged at one side of the lower end of the first vertical plate;

the horizontal extension plate is provided with a pair of vertical plates which are correspondingly arranged at the upper end and the lower end of the second vertical plate;

the fixed axle is vertical form and locates between two horizontal extension boards, and the upper and lower end of fixed axle all is equipped with square post, all is equipped with on every horizontal extension board and follows square jack with every square post, and square post sets firmly in square downthehole, and two boards of laying are established on the fixed axle through the axle sleeve coaxial sleeve respectively.

Preferably, the laying plate comprises a rectangular inner plate and a movable sleeve plate;

the rectangular inner plate is vertical, one end of the rectangular inner plate is connected to the fixed shaft through a shaft sleeve in a shaft way, and the threaded telescopic rod is vertically and penetratingly connected to the middle of the rectangular inner plate;

the lower extreme of rectangle inner panel is located to movable sleeve board activity cover, and the inner wall of movable plate can be laminated with the outer wall of rectangle inner panel, and the cross-section of movable sleeve board is U type structure, and the bottom of movable sleeve board is equipped with the tooth that the several was distributed along movable sleeve board length direction equidistance, and the inside both sides of movable sleeve board all are equipped with the draw runner, all are equipped with the vertical spout that supplies every draw runner to be vertical direction removal on the rectangle inner panel, and the work end of screw thread telescopic link is connected with the inside bottom transmission of movable sleeve board.

Preferably, one side of the lower end of the movable sleeve plate, which is far away from the fixing mechanism, is provided with a paving plate distributed along the horizontal direction of the movable sleeve plate, two ends of the paving plate are hinged with the bottom of the movable sleeve plate, the section of the paving plate is in an inclined state, two sides above the paving plate are both provided with shock absorbers, one end of each shock absorber is hinged with the outer wall of the movable sleeve plate, and the other end of each shock absorber is hinged with the top of the paving plate.

Preferably, the threaded telescopic rod comprises a fixed sleeve, a threaded sleeve, an inner tube, a bearing sleeve and a driving polish rod;

the upper end and the lower end of the fixing sleeve penetrating through the rectangular inner plate are arranged in the middle of the rectangular inner plate;

the screw sleeve is coaxially arranged in the fixed sleeve, an outer ring of the screw sleeve is provided with an external thread, an inner ring of the fixed sleeve is provided with an internal thread in threaded connection with the external thread, and the bottom of the screw sleeve can be rotatably arranged at the bottom end of the inside of the movable sleeve plate;

the inner pipe is coaxially arranged in the threaded sleeve, an abutting sliding strip extending along the length direction of the inner pipe is arranged outside the inner pipe, and a vertical limiting chute for the abutting sliding strip to abut and slide is arranged on the inner ring of the threaded sleeve;

the bearing sleeve is coaxially arranged at the top end of the fixed sleeve;

the driving polish rod is coaxially arranged at the top end of the inner tube, the upper end of the polish rod can extend upwards through the inner ring of the bearing sleeve in a rotating way, and the synchronous belt driving mechanism is in transmission connection with the top end of the driving polish rod.

Preferably, the synchronous belt driving mechanism comprises a second servo motor, a first synchronous wheel, a second synchronous wheel, a third synchronous wheel, a fourth synchronous wheel and a tensioning mechanism;

the second servo motor is arranged at one side, close to the second vertical plate, of the upper end of the first vertical plate, and an output shaft of the second servo motor is arranged vertically downwards;

the first synchronous wheel is coaxially arranged on the output shaft of the second servo motor;

the second synchronizing wheel and the third synchronizing wheel are respectively and coaxially arranged at the top ends of the two driving polished rods;

the tensioning mechanism can be arranged on the transverse plate in a movable manner along the length direction of the transverse plate;

the fourth synchronizing wheel is arranged on the tensioning mechanism, the upper surfaces of the first synchronizing wheel, the second synchronizing wheel, the third synchronizing wheel and the fourth synchronizing wheel are flush, and the first synchronizing wheel, the second synchronizing wheel, the third synchronizing wheel and the fourth synchronizing wheel are in transmission connection through a synchronous belt.

Preferably, the tensioning mechanism comprises a sliding plate, a sliding rail, a fixed plate and a spring;

the sliding rail is horizontally arranged at the top of the transverse plate;

the sliding plate is of an L-shaped structure, the sliding plate is arranged above the sliding rail, a sliding block capable of sliding on the sliding rail is arranged at the bottom of the sliding plate, and the fourth synchronous wheel is rotatably arranged on the sliding plate through a rotating rod;

the fixing plate is of an L-shaped structure and is arranged at the tail end of the top of the transverse plate;

the spring is the level and locates between setting firmly board and the slide, and one end of spring and one side fixed connection of slide, the other end of spring and one side fixed connection of setting firmly the board.

Preferably, the fixing mechanism comprises a transverse plate, a telescopic rod and a fixing plate;

the middle part of the transverse plate is arranged at one side of the first vertical plate far away from the second vertical plate;

the telescopic rods are provided with a pair of two ends which are arranged at one side of the transverse plate far away from the first vertical plate in parallel;

the fixed plate is arranged at the telescopic end of the telescopic rod.

Preferably, the telescopic rod comprises a loop rod and an inner rod;

the loop bar is horizontally arranged on the side wall of the transverse plate, and is provided with a plurality of limiting perforations distributed at equal intervals along the length direction of the loop bar;

in the telescopic loop bar of interior pole setting, be equipped with on the interior pole with every limit perforation one-to-one's screw hole, corresponding limit perforation and screw hole pass through bolted connection.

Compared with the prior art, the beneficial effects of this application are: according to the method and the device, the technical problem of automatic paving can be achieved according to different pavement widths, the height of stones paved can be automatically adjusted, and the construction quality of roads is improved.

Drawings

FIG. 1 is a left side structural state diagram of the present application;

FIG. 2 is a top structural view of the present application;

FIG. 3 is a partial perspective view of the present application;

FIG. 4 is a partial structural perspective view II of the present application;

FIG. 5 is a schematic perspective view of the width adjustment mechanism, height adjustment mechanism and paving plate of the present application;

FIG. 6 is a schematic diagram of a second perspective view of the width adjustment mechanism, height adjustment mechanism, and paving plate of the present application;

FIG. 7 is a schematic perspective view of a width adjustment mechanism, a height adjustment mechanism and a paving plate of the present application;

FIG. 8 is an enlarged view of FIG. 7A of the present application;

FIG. 9 is a partial perspective view of the present application;

FIG. 10 is a partially exploded view of the paving plate of the present application;

FIG. 11 is an enlarged view of FIG. 10B of the present application;

FIG. 12 is a partial perspective view of the paving board of the present application;

FIG. 13 is an enlarged view of FIG. 12C of the present application;

FIG. 14 is a front elevational view of the threaded extension rod of the present application;

FIG. 15 is a perspective cross-sectional view taken along E-E in FIG. 14 of the present application;

FIG. 16 is a schematic perspective view of a width adjustment mechanism, a height adjustment mechanism and a paving plate of the present application;

FIG. 17 is an enlarged view of FIG. 16 of the present application at F;

FIG. 18 is an enlarged view of FIG. 16 of the present application at G;

fig. 19 is a schematic perspective view of the fixing mechanism of the present application.

The reference numerals in the figures are:

11-a vehicle body; 12-a hopper; 2-a fixing mechanism;

21-a transverse plate; 221-loop bar; 2211-defining a perforation; 222-an inner rod; 2221-threaded hole; 23-fixing a plate;

3-a width adjustment mechanism; 31-a first riser; 32-a cross plate; 33-hinge; 331-a second riser; 332-square grooves; 333-a stationary shaft; 3331—square columns; 334-a horizontally extending plate; 3341-square jack; 34-screw; 35-a first servo motor; 36-sliding blocks; 37-connecting rod; 38-bearing seats;

4-a height adjustment mechanism; 41-a synchronous belt driving mechanism; 411-second servo motor; 412-a first synchronizing wheel; 413-a second synchronizing wheel; 414-a third synchronizing wheel; 415-fourth synchronizing wheel; 416-synchronous belt; -; 4171-skateboard; 4172 sliding rail; 4173-a fixed plate; 4174 spring; 42-a threaded telescopic rod; 421-fixing the sleeve; 422-threaded sleeve; 423-inner tube; 4231-abutting the slider; 424-bearing sleeve; 425-driving polish rod;

5-laying a board; a 51-rectangular inner panel; 52-a movable sleeve plate; 521-teeth; 522-slide bar; 523-vertical chute; 53-paving a plate; 54-shock rod.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

Referring to fig. 1 to 19, a stone laying device for civil engineering comprises a vehicle body including a vehicle body 11 and a hopper 12, and further including a fixing mechanism 2, a width adjusting mechanism 3, a height adjusting mechanism 4 and a laying plate 5;

the fixing mechanism 2 is fixedly arranged at the rear end of the vehicle body 11;

the width adjusting mechanism 3 is arranged on the fixing mechanism 2;

the laying plates 5 are provided with a pair of working ends which are coaxially hinged to the width adjusting mechanism 3, and the two laying plates 5 can be unfolded or folded and are arranged at the working ends of the width adjusting mechanism 3;

the height adjusting mechanism 4 includes two screw telescopic rods 42 respectively provided on the two laying plates 5 for adjusting the height of the laying plates 5, and a timing belt 416 driving mechanism 41 for driving the two screw telescopic rods 42 to operate simultaneously.

The width adjusting mechanism 3, the height adjusting mechanism 4 and the paving plate 5 are fixedly arranged at the rear end of the vehicle body 11 through the fixing mechanism 2, stones are filled in the vehicle hopper 12, the vehicle body 11 slowly moves along a road surface, the vehicle hopper 12 is overturned, and the stones contained in the vehicle hopper 12 are uniformly poured onto the road surface through the vehicle hopper 12; the two paving plates 5 are distributed in a V shape, the two paving plates 5 can be horizontally overturned in the V shape through the width adjusting mechanism 3, the distance between the tail ends of the two paving plates 5 is increased or reduced, according to the width of a pavement to be paved, after the two paving plates 5 are adjusted, the hopper 12 overturns and pours the stones between the vehicle body 11 and the two paving plates 5, the two paving plates 5 and the pavement are adjusted to the distance of the thickness of the stones to be paved through the height adjusting mechanism 4, when the vehicle body 11 moves, the two paving plates 5 immediately move, the stones are uniformly paved on the pavement through the two paving plates 5, the position of the stones which fall down initially is in the middle between the two paving plates 5, when the paving plates 5 move, the stones which are higher than the preset distance between the paving plates 5 and the pavement gradually move to the tail end positions of the paving plates 5 along with the inclination direction of the paving plates 5, the moving distance is equal to the length of the inclination plates, the paving of the stones is completed, the technical problem that automatic paving can be achieved according to different pavement widths and the paving quality of the pavement is improved, and the paving quality of the stones is improved.

Referring to fig. 5 to 8, the width adjustment mechanism 3 includes a first servo motor 35, a first riser 31, a cross plate 32, a hinge 33, a screw 34, a slider 36, a link 37, and a bearing housing 38;

the first vertical plate 31 is arranged on the fixing mechanism 2 in a vertical mode;

the hinge part 33 is arranged on the side wall of the lower end of the first vertical plate 31 far away from the fixing mechanism 2, and the two laying plates 5 are coaxially hinged on the hinge part 33;

the cross plate 32 is horizontally arranged on the first vertical plate 31 and is positioned above the hinge part 33;

the bearing housing 38 is provided at the end of the cross plate 32;

the screw 34 is horizontally and rotatably arranged below the transverse plate 32, one end of the screw 34 is connected to the first vertical plate 31 in a penetrating way, and the other end of the screw 34 is connected with the bearing seat 38 in a shaft way;

the sliding block 36 is arranged on the screw 34, a screw hole is formed in the sliding block 36, the screw hole is in threaded fit with the screw 34, a limiting block is arranged at one end, close to the transverse plate 32, of the sliding block 36, and a bar-shaped limiting groove for the limiting block to translate is formed in the transverse plate 32;

the two connecting rods 37 are provided with a pair of mirror-image hinges and are arranged on two sides of the sliding block 36, and one end of each connecting rod 37 far away from the sliding block 36 is hinged with the top of the paving plate 5 close to the hinge part 33;

the first servo motor 35 is arranged on the first vertical plate 31, and an output shaft of the first servo motor 35 is in transmission connection with one end of the screw 34.

When two paving boards 5 need to be adjusted, the screw 34 is driven to rotate by the first servo motor 35, the sliding block 36 moves along the limiting groove of the transverse board 32 through the screw hole and the limiting block on the sliding block 36, so that the sliding block 36 moves in parallel along the transverse board 32, one ends of the two connecting rods 37 are driven to move together with the sliding block 36, and the other ends of the two connecting rods 37 respectively drive the paving boards 5 to be unfolded or folded, so that the width of the two paving boards 5 needing to be paved is adjusted.

Referring to fig. 9, the hinge 33 includes a second vertical plate 331, a horizontally extending plate 334, and a fixed shaft 333;

the second vertical plate 331 is vertically arranged at one side of the lower end of the first vertical plate 31;

the horizontal extension plate 334 has a pair of upper and lower ends correspondingly disposed at the upper and lower ends of the second vertical plate 331;

the fixed axle 333 is vertically arranged between two horizontally extending plates 334, square columns 3331 are arranged at the upper end and the lower end of the fixed axle 333, square insertion holes 3341 which are anastomotic with each square column 3331 are arranged on each horizontally extending plate 334, the square columns 3331 are fixedly arranged in the square holes, and two paving plates 5 are coaxially sleeved on the fixed axle 333 through shaft sleeves respectively.

When the two paving plates 5 are overturned by the axis of the fixed shaft 333, the upper end and the lower end of the fixed shaft 333 are inserted into the square insertion holes 3341 of the two horizontally extending plates 334 through the square columns 3331, and the fixed shaft 333 is in a fixed state, so that the two paving plates 5 cannot shake left and right.

Referring to fig. 10 to 13, the laying plate 5 includes a rectangular inner plate 51 and a movable sleeve plate 52;

the rectangular inner plate 51 is vertical, one end of the rectangular inner plate 51 is connected to the fixed shaft 333 in a shaft sleeve shaft way, and the threaded telescopic rod 42 is vertically connected in a penetrating way to the middle of the rectangular inner plate 51;

the lower extreme of rectangle inner panel 51 is located to movable sleeve board 52 activity cover, the inner wall of movable plate can be laminated with the outer wall of rectangle inner panel 51, the cross-section of movable sleeve board 52 is U type structure, the bottom of movable sleeve board 52 is equipped with the tooth 521 that the several was followed movable sleeve board 52 length direction equidistance and is distributed, the inside both sides of movable sleeve board 52 all are equipped with slide 522, all be equipped with on the rectangle inner panel 51 and supply every slide 522 to be the vertical spout 523 that the vertical direction removed, the work end of screw thread telescopic link 42 is connected with the inside bottom transmission of movable sleeve board 52.

Teeth 521 arranged at the bottom of movable sleeve plate 52 can comb laid stones, the movable sleeve plate 52 is driven to move up and down along the vertical direction of the rectangular inner plate 51 through the working end of a threaded telescopic rod 42, so that the carding height of the teeth 521, namely the thickness of stones to be laid, is adjusted, when the movable sleeve plate 52 moves up and down, sliding strips 522 arranged inside the interactive sleeve plate move in a limiting mode along vertical sliding grooves 523 on the rectangular inner plate 51, the movable sleeve plate 52 can be attached to move up and down on the rectangular inner plate 51, and the movable sleeve plate 52 is adjusted stably.

Referring to fig. 12 and 13, a flat plate 53 distributed along the horizontal direction of the movable sleeve plate 52 is arranged at one side of the lower end of the movable sleeve plate 52 away from the fixed mechanism 2, two ends of the flat plate 53 are hinged with the bottom of the movable sleeve plate 52, the section of the flat plate 53 is in an inclined state, shock absorbers are arranged at two sides above the flat plate 53, one end of each shock absorber is hinged with the outer wall of the movable sleeve plate 52, and the other end of each shock absorber is hinged with the top of the flat plate 53.

When the teeth 521 at the bottom of the movable sleeve plate 52 comb stones, the stones are paved again by the paving plates 53 arranged behind the teeth 521, and in the paving process, the paving plates 53 can have elastic force through the shock absorbers, so that the situation that larger stones are blocked when the stones are paved is avoided.

Referring to fig. 14 and 15, the threaded telescopic rod 42 includes a fixed sleeve 421, a threaded sleeve 422, an inner tube 423, a bearing housing 424, and a driving polish rod 425;

the fixing sleeve 421 penetrates the upper and lower ends of the rectangular inner plate 51 and is provided at the middle of the rectangular inner plate 51;

the threaded sleeve 422 is coaxially arranged in the fixed sleeve 421, an outer ring of the threaded sleeve 422 is provided with an external thread, an inner ring of the fixed sleeve 421 is provided with an internal thread in threaded connection with the external thread, and the bottom of the threaded sleeve 422 can be rotatably arranged at the bottom end of the inside of the movable sleeve plate 52;

the inner pipe 423 is coaxially arranged in the threaded sleeve 422, an abutting sliding strip 5224231 which is arranged along the length direction of the inner pipe 423 in an extending mode is arranged outside the inner pipe 423, and a vertical limiting chute for the abutting sliding strip 5224231 to abut and slide is formed in the inner ring of the threaded sleeve 422;

the bearing sleeve 424 is coaxially arranged at the top end of the fixed sleeve 421;

the driving polish rod 425 is coaxially arranged at the top end of the inner tube 423, the upper end of the polish rod can extend upwards through the inner ring of the bearing sleeve 424 in a rotating way, and the driving mechanism 41 of the synchronous belt 416 is in transmission connection with the top end of the driving polish rod 425.

The driving polish rod 425 and the inner tube 423 are driven to rotate by the driving mechanism 41 of the synchronous belt 416, the inner tube 423 is abutted against the vertical limiting chute on the threaded sleeve 422 by the abutting sliding strip 5224231 arranged outside, so that the threaded sleeve 422 rotates downwards or upwards and moves along the internal thread of the fixed sleeve 421 by the external thread, and meanwhile, the movable sleeve plate 52 is driven to move upwards or downwards.

Referring to fig. 16 to 18, the timing belt 416 driving mechanism 41 includes a second servo motor 411, a first timing wheel 412, a second timing wheel 413, a third timing wheel 414, a fourth timing wheel 415, and a tensioning mechanism;

the second servo motor 411 is arranged at one side, close to the second vertical plate 331, of the upper end of the first vertical plate 31, and an output shaft of the second servo motor 411 is arranged vertically downwards;

the first synchronous wheel 412 is coaxially arranged on the output shaft of the second servo motor 411;

the second synchronizing wheel 413 and the third synchronizing wheel 414 are coaxially arranged at the top ends of the two driving polished rods 425 respectively;

the tensioning mechanism is movably arranged on the transverse plate 32 along the length direction of the transverse plate 32;

the fourth synchronizing wheel 415 is arranged on the tensioning mechanism, the upper surfaces of the first synchronizing wheel 412, the second synchronizing wheel 413, the third synchronizing wheel 414 and the fourth synchronizing wheel 415 are flush, and the first synchronizing wheel 412, the second synchronizing wheel 413, the third synchronizing wheel 414 and the fourth synchronizing wheel 415 are in transmission connection through a synchronous belt 416.

When two threaded telescopic rods 42 are required to be driven to work, the second servo motor 411 drives the first synchronizing wheel 412 to rotate, the first synchronizing wheel 412 drives the second synchronizing wheel 413, the third synchronizing wheel 414 and the fourth synchronizing wheel 415 to rotate simultaneously through the synchronous belt 416, one of the two driving polished rods 425 is driven to rotate through the second synchronizing wheel 413, the other driving polished rod 425 is driven to rotate through the third synchronizing wheel 414, so that the problem of synchronous driving of the two threaded telescopic rods 42 is solved, when two paving plates 5 are adjusted, the distance between the second synchronizing wheel 413 and the third synchronizing wheel 414 can be changed, at this time, the fourth synchronizing wheel 415 is translated along the transverse plate 32 through the tensioning mechanism, and the synchronous belt 416 can be always in a tensioning state on the first synchronizing wheel 412, the second synchronizing wheel 413, the third synchronizing wheel 414 and the fourth synchronizing wheel 415.

Referring to fig. 16 to 18, the tensioning mechanism includes a slide 4171, a slide rail 4172, a fixing plate 4173, and a spring 4174;

slide track 4172 is horizontally disposed on top of cross plate 32;

the sliding plate 4171 has an L-shaped structure, the sliding plate 4171 is arranged above the sliding rail 4172, a sliding block capable of sliding on the sliding rail 4172 is arranged at the bottom of the sliding plate 4171, and the fourth synchronizing wheel 415 is rotatably arranged on the sliding plate 4171 through a rotating rod;

the fixing plate 4173 has an L-shaped structure, and the fixing plate 4173 is provided at the top end of the cross plate 32;

the spring 4174 is horizontally arranged between the fixed plate 4173 and the sliding plate 4171, one end of the spring 4174 is fixedly connected with one side of the sliding plate 4171, and the other end of the spring 4174 is fixedly connected with one side of the fixed plate 4173.

When the distance between the second synchronizing wheel 413 and the third synchronizing wheel 414 changes, the sliding plate 4171 can be pulled towards the tail end of the transverse plate 32 all the time through the spring 4174, and the sliding plate 4171 moves along the sliding rail 4172 in a limiting mode through the sliding block, so that the fourth synchronizing wheel 415 and the synchronizing belt 416 are always in a tight state.

Referring to fig. 19, the fixing mechanism 2 includes a transverse plate 21, a telescopic rod, and a fixing plate 23;

the middle part of the transverse plate 21 is arranged at one side of the first vertical plate 31 away from the second vertical plate 331;

the telescopic rods are provided with a pair of telescopic rods and are arranged at two ends of one side of the transverse plate 21 away from the first vertical plate 31 in parallel;

the fixing plate 23 is arranged at the telescopic end of the telescopic rod.

The fixing plate 23 is fixed to the vehicle body 11, and the distance between the device and the vehicle body 11 can be adjusted by a telescopic rod.

Referring to fig. 19, the telescopic rod includes a sleeve rod 221 and an inner rod 222;

the sleeve rod 221 is horizontally arranged on the side wall of the transverse plate 21, and a plurality of limiting perforations 2211 are arranged on the sleeve rod 221 and distributed at equal intervals along the length direction of the sleeve rod 221;

in the telescopic sleeve rod 221 of the inner rod 222, threaded holes 2221 corresponding to the limiting holes 2211 are formed in the inner rod 222, and the limiting holes 2211 and the threaded holes 2221 are connected through bolts.

When the distance between the adjusting device and the vehicle body 11 is adjusted by extending and contracting the inner rod 222 along the length direction of the sleeve rod 221, after the adjusting device is adjusted to a proper length, the corresponding limiting through hole 2211 and the threaded hole 2221 are fixedly connected through bolts.

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The stone paving device for civil engineering comprises a vehicle body, wherein the vehicle body comprises a vehicle body (11) and a vehicle hopper (12), and is characterized by further comprising a fixing mechanism (2), a width adjusting mechanism (3), a height adjusting mechanism (4) and a paving plate (5);

the fixing mechanism (2) is fixedly arranged at the rear end of the vehicle body (11);

the width adjusting mechanism (3) is arranged on the fixing mechanism (2);

the laying plates (5) are provided with a pair of working ends which are coaxially hinged to the width adjusting mechanism (3), and the two laying plates (5) can be unfolded or folded and are arranged at the working ends of the width adjusting mechanism (3);

the height adjusting mechanism (4) comprises two threaded telescopic rods (42) which are respectively arranged on the two paving plates (5) and used for adjusting the heights of the paving plates (5), and a synchronous belt (416) driving mechanism (41) which is used for driving the two threaded telescopic rods (42) to work simultaneously.

2. A stone laying device for civil engineering according to claim 1, characterized in that the width adjustment mechanism (3) comprises a first servomotor (35), a first riser (31), a cross plate (32), a hinge (33), a screw (34), a slider (36), a link (37) and a bearing seat (38);

the first vertical plate (31) is vertically arranged on the fixing mechanism (2);

the hinge part (33) is arranged on the side wall of the lower end of the first vertical plate (31) far away from the fixing mechanism (2), and the two laying plates (5) are coaxially hinged on the hinge part (33);

the transverse plate (32) is horizontally arranged on the first vertical plate (31) and is positioned above the hinge part (33);

the bearing seat (38) is arranged at the tail end of the transverse plate (32);

the screw rod (34) is horizontally and rotatably arranged below the transverse plate (32), one end of the screw rod (34) is connected to the first vertical plate (31) in a penetrating way, and the other end of the screw rod (34) is in shaft connection with the bearing seat (38);

the sliding block (36) is arranged on the screw rod (34), a screw hole is formed in the sliding block (36), the screw hole is in threaded fit with the screw rod (34), a limiting block is arranged at one end, close to the transverse plate (32), of the sliding block (36), and a bar-shaped limiting groove for the limiting block to translate is formed in the transverse plate (32);

the connecting rods (37) are provided with a pair of mirror-image hinges and are arranged on two sides of the sliding block (36), and one ends of the two connecting rods (37) which are far away from the sliding block (36) are hinged with the top of the paving plate (5) which is close to the hinge part (33);

the first servo motor (35) is arranged on the first vertical plate (31), and an output shaft of the first servo motor (35) is in transmission connection with one end of the screw rod (34).

3. A stone laying device for civil engineering according to claim 2, characterized in that the hinge (33) comprises a second riser (331), a horizontally extending plate (334) and a fixed shaft (333);

the second vertical plate (331) is vertically arranged at one side of the lower end of the first vertical plate (31);

the horizontal extension plates (334) are provided with a pair of vertical plates (331) and are correspondingly arranged at the upper end and the lower end of the second vertical plate;

the fixed axle (333) is vertically arranged between two horizontal extension plates (334), square columns (3331) are arranged at the upper end and the lower end of the fixed axle (333), square insertion holes (3341) which are anastomotic with each square column (3331) are formed in each horizontal extension plate (334), the square columns (3331) are fixedly arranged in the square holes, and two paving plates (5) are coaxially sleeved on the fixed axle (333) through shaft sleeves respectively.

4. A stone laying device for civil engineering according to claim 3, characterized in that the laying plate (5) comprises a rectangular inner plate (51) and a mobile sleeve plate (52);

the rectangular inner plate (51) is vertical, one end of the rectangular inner plate is connected to the fixed shaft (333) in a shaft sleeve shaft way, and the threaded telescopic rod (42) is vertically connected in a penetrating way to the middle of the rectangular inner plate (51);

the lower extreme of rectangle inner panel (51) is located to movable sleeve board (52) activity cover, the inner wall of movable plate can be laminated with the outer wall of rectangle inner panel (51), the cross-section of movable sleeve board (52) is U type structure, the bottom of movable sleeve board (52) is equipped with several along tooth (521) of movable sleeve board (52) length direction equidistance distribution, the inside both sides of movable sleeve board (52) all are equipped with draw runner (522), all be equipped with on rectangle inner panel (51) and supply every draw runner (522) to be vertical spout (523) that the vertical direction removed, the work end of screw thread telescopic link (42) is connected with the inside bottom transmission of movable sleeve board (52).

5. The stone laying device for civil engineering according to claim 4, wherein a flat plate (53) distributed along the horizontal direction of the movable sleeve plate (52) is arranged at one side of the lower end of the movable sleeve plate (52) away from the fixed mechanism (2), both ends of the flat plate (53) are hinged with the bottom of the movable sleeve plate (52), the cross section of the flat plate (53) is in an inclined state, shock absorbers are arranged at both sides above the flat plate (53), one end of each shock absorber is hinged with the outer wall of the movable sleeve plate (52), and the other end of each shock absorber is hinged with the top of the flat plate (53).

6. A pebble paving apparatus for civil engineering according to claim 5, wherein the threaded telescopic rod (42) comprises a fixed sleeve (421), a threaded sleeve (422), an inner tube (423), a bearing bush (424) and a driving polish rod (425);

the fixing sleeve (421) penetrates through the upper end and the lower end of the rectangular inner plate (51) and is arranged in the middle of the rectangular inner plate (51);

the threaded sleeve (422) is coaxially arranged in the fixed sleeve (421), an outer ring of the threaded sleeve (422) is provided with an external thread, an inner ring of the fixed sleeve (421) is provided with an internal thread in threaded connection with the external thread, and the bottom of the threaded sleeve (422) can be rotatably arranged at the bottom end in the movable sleeve plate (52);

the inner pipe (423) is coaxially arranged in the threaded sleeve (422), an abutting sliding strip (522) (4231) which is arranged along the length direction of the inner pipe (423) in an extending mode is arranged outside the inner pipe (423), and a vertical limiting sliding groove for abutting and sliding the abutting sliding strip (522) (4231) is formed in the inner ring of the threaded sleeve (422);

the bearing sleeve (424) is coaxially arranged at the top end of the fixed sleeve (421);

the driving polish rod (425) is coaxially arranged at the top end of the inner tube (423), the upper end of the polish rod can rotate, the inner ring penetrating through the bearing sleeve (424) extends upwards, and the driving mechanism (41) of the synchronous belt (416) is in transmission connection with the top end of the driving polish rod (425).

7. A stone laying device for civil engineering according to claim 6, characterized in that the timing belt (416) driving mechanism (41) includes a second servo motor (411), a first timing wheel (412), a second timing wheel (413), a third timing wheel (414), a fourth timing wheel (415), and a tensioning mechanism;

the second servo motor (411) is arranged at one side, close to the second vertical plate (331), of the upper end of the first vertical plate (31), and an output shaft of the second servo motor (411) is vertically arranged downwards;

the first synchronous wheel (412) is coaxially arranged on the output shaft of the second servo motor (411);

the second synchronizing wheel (413) and the third synchronizing wheel (414) are coaxially arranged at the top ends of the two driving polished rods (425) respectively;

the tensioning mechanism is arranged on the transverse plate (32) and can move along the length direction of the transverse plate (32);

the fourth synchronizing wheel (415) is arranged on the tensioning mechanism, the upper surfaces of the first synchronizing wheel (412), the second synchronizing wheel (413), the third synchronizing wheel (414) and the fourth synchronizing wheel (415) are flush, and the first synchronizing wheel (412), the second synchronizing wheel (413), the third synchronizing wheel (414) and the fourth synchronizing wheel (415) are in transmission connection through a synchronous belt (416).

8. A stone laying device for civil engineering according to claim 7, characterized in that the tensioning means comprise a slide (4171), a rail (4172), a fixing plate (4173) and a spring (4174);

the sliding rail (4172) is horizontally arranged at the top of the transverse plate (32);

the sliding plate (4171) is of an L-shaped structure, the sliding plate (4171) is arranged above the sliding rail (4172), a sliding block capable of sliding on the sliding rail (4172) is arranged at the bottom of the sliding plate (4171), and the fourth synchronous wheel (415) is rotatably arranged on the sliding plate (4171) through a rotating rod;

the fixing plate (4173) is of an L-shaped structure, and the fixing plate (4173) is arranged at the top end of the transverse plate (32);

the spring (4174) is arranged between the fixed plate (4173) and the sliding plate (4171) horizontally, one end of the spring (4174) is fixedly connected with one side of the sliding plate (4171), and the other end of the spring (4174) is fixedly connected with one side of the fixed plate (4173).

9. A stone laying device for civil engineering according to claim 1, characterized in that the fixing means (2) comprise a transverse plate (21), a telescopic rod and a fixing plate (23);

the middle part of the transverse plate (21) is arranged at one side of the first vertical plate (31) far away from the second vertical plate (331);

the telescopic rods are provided with a pair of two ends which are arranged in parallel on one side of the transverse plate (21) away from the first vertical plate (31);

the fixing plate (23) is arranged at the telescopic end of the telescopic rod.

10. A stone laying device for civil engineering according to claim 9, characterized in that the telescopic rod comprises a sleeve rod (221) and an inner rod (222);

the sleeve rod (221) is horizontally arranged on the side wall of the transverse plate (21), and a plurality of limiting perforations (2211) which are distributed at equal intervals along the length direction of the sleeve rod (221) are arranged on the sleeve rod (221);

in the telescopic sleeve rod (221) of the inner rod (222), threaded holes (2221) corresponding to the limiting holes (2211) are formed in the inner rod (222), and the limiting holes (2211) and the threaded holes (2221) are connected through bolts.