CN114802372B

CN114802372B - Handcart for building construction

Info

Publication number: CN114802372B
Application number: CN202111574914.5A
Authority: CN
Inventors: 王延智; 梁晓威; 郑英昌; 吴玉红; 魏朋振; 邢德岗; 王丽杰
Original assignee: Shandong Liaojian Modern Construction Co ltd
Current assignee: Shandong Liaojian Modern Construction Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2023-06-23
Anticipated expiration: 2041-12-21
Also published as: CN114802372A

Abstract

The invention discloses a handcart for building construction, and relates to the technical field of building construction. The utility model provides a handcart for building construction, including the railway carriage device, the railway carriage device includes the railway carriage, the vertical downwardly connected with spliced pole in front surface of railway carriage, the below of spliced pole is provided with steering device, steering device includes steering cylinder, steering cylinder presents the tubular, steering cylinder's inside has cup jointed steering cylinder one, there is the clearance between steering cylinder one and the steering cylinder, all fixedly connected with shutoff post on the left and right sides wall of steering cylinder one, the shutoff post presents the arc board, the lateral wall laminating of shutoff post and the inside wall of steering cylinder, the just rear side fixedly connected with steering plate one of steering cylinder, the just front side fixedly connected with steering plate two of steering cylinder one, steering plate one and steering plate two symmetry set up, steering plate one and steering plate two all present straight plate shape, this handcart for building construction is with the guide behind wheel device steering for the handcart is more laborsaving.

Description

Handcart for building construction

Technical Field

The invention relates to the technical field of building construction, in particular to a handcart for building construction.

Background

The building construction refers to the production activity of engineering construction implementation stage, which is the construction process of various buildings, and can be said to be the process of changing various lines on a design drawing into real objects at a designated place. The method comprises foundation engineering construction, main body structure construction, roof engineering construction, decoration engineering construction and the like. The site of construction is referred to as a "building site" or "job site," also known as a worksite.

At present, most of trolleys can only roll along with axles and cannot rotate in the wheel places, each time when a worker needs to push the trolley to rotate, the strength of the worker needs to drive the body of the whole trolley to rotate, then the trolley can be made to rotate, when the trolley is fully loaded with goods, the weight of the trolley is quite large, and the worker also has quite difficulty in pushing the trolley to rotate.

Disclosure of Invention

The invention aims to provide a handcart for building construction, which solves the problems in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the handcart for building construction comprises a carriage device, wherein the carriage device comprises a carriage, a connecting column is vertically and downwards connected to the front surface of the carriage, a steering device is arranged below the connecting column, the steering device comprises a steering cylinder, the steering cylinder is in a round tube shape, a steering column I is sleeved in the steering cylinder, gaps exist between the steering column I and the steering cylinder, a blocking column is fixedly connected to the left side wall and the right side wall of the steering column I, the blocking column is in an arc plate shape, the outer side wall of the blocking column is attached to the inner side wall of the steering cylinder, a steering plate I is fixedly connected to the right rear side of the steering column I, a steering plate II is fixedly connected to the right front side of the steering column I, the steering plate I and the steering plate II are symmetrically arranged, the steering plate I and the steering plate II are in a straight plate shape, the space behind the steering cylinder and the steering column I is divided into left and right parts by the two plugging columns and the steering plate I, the space in front of the steering cylinder and the steering column I is divided into left and right parts by the two plugging columns and the steering plate II, the left and right sides of the rear end of the steering cylinder are provided with air holes I, the left and right sides of the front end of the steering cylinder are provided with air holes II, the air holes II are opposite to the steering plate II, the inside of the air holes I is fixedly inserted and connected with an air pipe I, the inside of the air holes II is fixedly inserted and connected with an air pipe II, the air pipe I is correspondingly inserted into the space behind the steering cylinder and the steering column I at one end close to the steering cylinder, the air pipe II is correspondingly inserted into the space in front of the steering cylinder and the steering column I at one end, the left and right sides of the lower part of the carriage are respectively provided with a handle device, the two handle devices are symmetrically arranged, and a wheel device is arranged below the steering device.

Preferably, the walls around the carriage all present the inclined plane, the front inclined plane of carriage is higher than the back inclined plane, the gradient of the front inclined plane of carriage is less than the back inclined plane, the equal fixedly connected with pole setting in lower surface left and right sides of carriage, the pole setting presents upright V font, the upper end of pole setting and the lower surface fixed connection of carriage, two the pole setting is in between the two handle device.

Preferably, the upper port fixedly connected with cover one of steering cylinder, cover one and steering cylinder adaptation, the upper surface fixedly connected with spliced pole of cover one, the lower port fixedly connected with cover two of steering cylinder, cover two and steering cylinder adaptation, the surface middle part of cover two has been seted up, run through cover two, the lower surface middle part fixedly connected with steering column two of steering column one, in the lower extreme of steering column two inserts, steering column two and adaptation, the lower extreme fixedly connected with steering column three of steering column two, steering column three is in the below of cover two.

Preferably, the lower part of barrel head two is provided with the barrel head, barrel head groove has been seted up at the upper surface middle part of barrel head, the last port fixed connection barrel head two of barrel head, the lower extreme of steering column three inserts barrel head groove middle part, flat torsional spring has been cup jointed to the inside in barrel head groove, the inside wall in one end fixed connection barrel head groove of flat torsional spring, the outside wall in other end fixed connection steering column three of flat torsional spring, flat torsional spring has elasticity, hole two has been seted up at the lower inner wall middle part in barrel head groove, hole two runs through the barrel head, the lower surface middle part fixedly connected with steering column four of steering column three, steering column four is just right with hole two positions, the lower extreme of steering column four inserts in hole two and with hole two adaptation, the lower extreme of steering column four stretches out hole two.

Preferably, the handle device comprises a frame, the frame sets up along the bottom surface of railway carriage, the frame presents the shape of buckling, the middle section part laminating railway carriage of frame and with the bottom surface fixed connection of railway carriage, the frame is near the lateral wall of the one end fixed connection barrel bottom that turns to the device, the frame is keeping away from the one end that turns to the device and upwards set up along the back inclined plane of railway carriage, the frame is keeping away from the one end fixedly connected with handlebar that turns to the device, the horizontal plane at handlebar place is higher than the horizontal plane at the top port place of railway carriage, the handlebar presents the L type, is in the left handlebar left side is buckled, is in the right handlebar right side is buckled.

Preferably, the rear side fixedly connected with gasbag one, two the gasbag is all run through fixedly connected with trachea three to the one end that approaches, trachea three extends along one side of frame, trachea three is at the one end that keeps away from gasbag one correspondingly to be connected with trachea two, the front side fixedly connected with gasbag two the one end that the gasbag is to approach all run through fixedly connected with trachea four, trachea four extends along the opposite side of frame, trachea four is at the one end that keeps away from gasbag two correspondingly to be connected with trachea one, the gasbag communicates with each other with the space in steering cylinder and steering column one place ahead through the connection of trachea three and trachea two, the gasbag communicates with each other with the space in steering cylinder and steering column one place behind through the connection of trachea four and trachea one.

Preferably, the wheel device comprises a wheel guard, the wheel guard presents inside hollow semicylindrical, the opening of wheel guard is down, the upside middle part fixed connection steering column four of wheel guard, the equal fixedly connected with connecting block of lateral wall lower surface of wheel guard, the connecting block presents semicylindrical handle form, two the connecting block is to the common fixedly connected with axletree of that one side of pair, the outside of axletree is connected with the component section of thick bamboo through the bearing rotation, the middle part of component section of thick bamboo has cup jointed the wheel, the outside fretwork of wheel, the middle part of wheel presents the cylindric of screw thread round joint, the both ends of wheel all contracts to the direction of component section of thick bamboo, the both ends of wheel are fixedly connected with car ring respectively, the car ring presents the ring form, the car ring cup joints on the component section of thick bamboo, the two the side that car ring deviates from all fixedly connected with spring, the spring is in the side fixedly connected with section of thick bamboo that keeps away from the car ring, when presenting the horizontal state, the height that the lower extreme is located at the horizontal plane of wheel.

Compared with the prior art, the invention has the beneficial effects that:

(1) This handcart for construction, thereby the workman can grip the handlebar promote the handcart forward or stimulate the handcart and move backwards, under the circumstances of straight ahead and moving backwards, thereby workman's both hands are forced simultaneously, make gasbag one or gasbag two compressed simultaneously, the gas of the first or gasbag two transmission of gasbag of this moment is along trachea three and trachea two or trachea four and trachea one transmission to steering cylinder and steering column space around, the input gas of the left and right sides in the space around this moment is the same, thereby offset each other, make steering device can not take place to rotate, make handcart rectilinear motion, when need go forward the steering, when wanting to right side go forward, workman's left hand power, thereby make gasbag one be extrudeed, thereby the gasbag one of being compressed is along trachea three and trachea two with gas transmission to steering cylinder and steering column one rear left side space, make steering column one receive the gas of blowing from left side, under the extrusion of gas, make steering column one whole turn right side, through steering column one, steering column two, steering column three steering column, thereby make the wheel device make the wheel rotate at the same wheel device and make the wheel rotate the wheel device rotate right side, thereby the handcart rotate the wheel device makes the wheel device and make the wheel rotate the wheel device to the whole.

(2) After the wheel device rotates by a certain angle under the drive of the steering device, a worker forwards advances by pushing the handle device, the forward pushing force of the worker is F1, F1 is divided into force F2 which forwards advances according to the direction of the wheel device and force F3 which is perpendicular to the forward direction of the wheel device, the wheel baffle drives the axle to enable the force dividing cylinder to move leftwards under the influence of F3, the wheel is movably sleeved with the force dividing cylinder through the wheel ring, meanwhile, in the forward moving process of the hand pushing, the friction between the wheel and the ground causes the wheel to hardly move in a shifting manner, so that the wheel moves rightwards relative to the force dividing cylinder, and the wheel is connected with the force dividing cylinder, so that the forward operation of the hand pushing vehicle is driven by the wheel and cannot be influenced by F3, and the hand pushing of the hand pushing vehicle is more handy.

(3) According to the handcart for building construction, a plurality of broken stones and clods are distributed on a building site through the spiral hollowed design of the wheels, the area of the wheels contacting the ground is firstly smaller than that of the common wheels, so that the probability of the wheels contacting the broken stones and the clods is reduced, in addition, the broken stones and the clods can pass through the wheels without contacting the wheels, the handcart can travel in the building site more conveniently, in addition, the wheels are provided with certain deformation capacity by the design of the wheels, so that a part of the wheels can be easily compressed when the broken stones and the clods are encountered, then the wheels are restored to the original shape after the broken stones and the clods are passed through, and the force of most of jolt of the handcart is absorbed through the contraction of the wheels, so that the handcart travels in the building site more stably, and the safety of transporting goods of the handcart is protected.

(4) This handcart for construction through installing gasbag first at the rear side of handlebar, installs gasbag second at the front side of handlebar for the handcart all can turn to through the principle that first step utilized when advancing or backing, thereby makes and all can carry out wheel device's steering treatment when the handcart advances or backing, has improved handcart steering capacity.

(5) This handcart for construction, the custom that the motion adaptation of handcart and workman hard, when needs handcart need turn to in the in-process that advances or retreats, according to the custom that turns to of old handcart, when the handcart needs to advance right turn, the workman always subconscious use left hand is hard forward, just can extrude the gasbag one on the left side handlebar this moment, just like this, the workman just can extrude corresponding gasbag one or gasbag two in subconscious motion operation's action in-process, thereby make the handcart turn to, cooperate the subconscious action of workman to operate, make the easy operation of handcart convenient easy go up.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is an exploded view of the steering device of the present invention;

FIG. 3 is a schematic plan view of a steering column according to the present invention;

FIG. 4 is a schematic view of a wheel assembly according to the present invention;

FIG. 5 is a schematic view of the bottom of the truck bed of the present invention;

FIG. 6 is a schematic view of a handle assembly according to the present invention;

FIG. 7 is an enlarged schematic view of the invention at A;

FIG. 8 is an enlarged schematic view of the present invention at B;

FIG. 9 is a schematic illustration of the wheel force applied by the present invention.

In the figure: 1. a carriage device; 101. a carriage; 102. a vertical rod; 103. a connecting column; 2. a steering device; 201. a steering cylinder; 202. a steering column I; 203. plugging the column; 204. a steering plate I; 205. a steering plate II; 206. an air hole I; 207. an air hole II; 208. a first air pipe; 209. a second air pipe; 210. a cylinder cover I; 211. a cylinder cover II; 212. a first hole; 213. a steering column II; 214. steering column III; 215. a barrel bottom; 216. a barrel bottom groove; 217. a flat torsion spring; 218. a second hole; 219. steering column IV; 3. a handle device; 301. a frame; 302. a handle bar; 303. an air bag I; 304. a third air pipe; 305. an air bag II; 306. a fourth air pipe; 4. a wheel device; 401. wheel gear; 402. a connecting block; 403. an axle; 404. a force-distributing cylinder; 405. a wheel; 406. a ring; 407. and (3) a spring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-9, the present invention provides a technical solution: the handcart for building construction comprises a carriage device 1, wherein the carriage device 1 comprises a carriage 101, a connecting column 103 is vertically and downwards connected to the front surface of the carriage 101, a steering device 2 is arranged below the connecting column 103, the steering device 2 comprises a steering cylinder 201, the steering cylinder 201 is in a round tube shape, a steering column I202 is sleeved in the steering cylinder 201, gaps exist between the steering column I202 and the steering cylinder 201, a blocking column 203 is fixedly connected to the left side wall and the right side wall of the steering column I202, the blocking column 203 presents an arc plate shape, the outer side wall of the blocking column 203 is attached to the inner side wall of the steering cylinder 201, a steering plate I204 is fixedly connected to the right rear side of the steering column I202, a steering plate II 205 is fixedly connected to the right front side of the steering column I202, the steering plate I204 and the steering plate II 205 are symmetrically arranged, the steering plate I204 and the steering plate II 205 are in a straight plate shape, the space behind the steering cylinder 201 and the steering column 202 is divided into left and right parts by the two plugging columns 203 and the steering plate I204, the space in front of the steering cylinder 201 and the steering column I202 is divided into left and right parts by the two plugging columns 203 and the steering plate I205, the left and right sides of the rear end of the steering cylinder 201 are provided with the air holes I206, the air holes I206 are opposite to the steering plate I204, the left and right sides of the front end of the steering cylinder 201 are provided with the air holes II 207, the air holes II 207 are opposite to the steering plate I205, the air holes I206 are fixedly inserted and connected with the air pipe I208, the air pipe I208 is correspondingly inserted into the space behind the steering cylinder 201 and the steering column I202 at the end close to the steering cylinder 201, the air pipe II 209 is correspondingly inserted into the space in front of the steering cylinder 201 and the steering column I202 at the end close to the steering cylinder 201, the left and right sides below the carriage 101 are provided with the handle devices 3, the handle devices 3 are symmetrically arranged, a wheel device 4 is provided below the steering device 2.

The surrounding walls of the carriage 101 are inclined planes, the front inclined plane of the carriage 101 is higher than the rear inclined plane, the inclination of the front inclined plane of the carriage 101 is lower than the rear inclined plane, the vertical rods 102 are fixedly connected to the left side and the right side of the lower surface of the carriage 101, the vertical rods 102 are in an upright V shape, the upper ends of the vertical rods 102 are fixedly connected with the lower surface of the carriage 101, and the two vertical rods 102 are positioned between the two handle devices 3.

The upper port of the steering cylinder 201 is fixedly connected with a first cylinder cover 210, the first cylinder cover 210 is matched with the steering cylinder 201, the upper surface of the first cylinder cover 210 is fixedly connected with a connecting column 103, the lower port of the steering cylinder 201 is fixedly connected with a second cylinder cover 211, the second cylinder cover 211 is matched with the

steering cylinder

201, 212 is arranged in the middle of the surface of the

second cylinder cover

211, 212 penetrates through the second cylinder cover 211, a second steering column 213 is fixedly connected in the middle of the lower surface of the first steering column 202, the lower end of the second steering column 213 is inserted into 212, the second steering column 213 is matched with 212, the lower end of the second steering column 213 is fixedly connected with a third steering column 214, and the third steering column 214 is positioned below the second cylinder cover 211.

The lower part of the barrel cover II 211 is provided with a barrel bottom 215, the middle part of the upper surface of the barrel bottom 215 is provided with a barrel bottom groove 216, the upper port of the barrel bottom 215 is fixedly connected with the barrel cover II 211, the lower end of the steering column III 214 is inserted into the middle part of the barrel bottom groove 216, a flat torsion spring 217 is sleeved in the barrel bottom groove 216, one end of the flat torsion spring 217 is fixedly connected with the inner side wall of the barrel bottom groove 216, the other end of the flat torsion spring 217 is fixedly connected with the outer side wall of the steering column III 214, the flat torsion spring 217 is elastic, the middle part of the lower inner wall of the barrel bottom groove 216 is provided with a hole II 218, the hole II 218 penetrates through the barrel bottom 215, the middle part of the lower surface of the steering column III 214 is fixedly connected with a steering column IV 219, the steering column IV 219 is opposite to the hole II 218, the lower end of the steering column IV 219 is inserted into the hole II 218 and is matched with the hole II 218, and the lower end of the steering column IV 219 extends out of the hole II 218.

The handle device 3 comprises a frame 301, the frame 301 is arranged along the bottom surface of the carriage 101, the frame 301 is in a bent shape, the middle section part of the frame 301 is attached to the bottom surface of the carriage 101 and is fixedly connected with the bottom surface of the carriage 101, the frame 301 is fixedly connected with the outer side wall of the barrel bottom 215 at the end close to the steering device 2, the frame 301 is upwards arranged along the rear inclined surface of the carriage 101 at the end far away from the steering device 2, the frame 301 is fixedly connected with a handle bar 302 at the end far away from the steering device 2, the horizontal plane of the handle bar 302 is higher than the horizontal plane of the upper port of the carriage 101, the handle bar 302 is in an L shape, the handle bar 302 at the left is bent to the left, and the handle bar 302 at the right is bent to the right.

The rear side of the handlebar 302 is fixedly connected with an air bag I303, the ends, approaching, of the two air bags I303 are fixedly connected with an air pipe III 304 in a penetrating manner, the air pipe III 304 extends along one side of the frame 301, the end, far away from the air bag I303, of the air pipe III 304 is correspondingly connected with an air pipe II 209, the front side of the handlebar 302 is fixedly connected with an air bag II 305, the ends, approaching, of the two air bags II 305 are fixedly connected with an air pipe IV 306 in a penetrating manner, the air pipe IV 306 extends along the other side of the frame 301, the end, far away from the air bag II 305, of the air pipe IV 306 is correspondingly connected with an air pipe I208, the air bag I303 is communicated with a space in front of the steering cylinder 201 and the steering column I202 through the connection of the air pipe IV 306 and the air pipe I208.

The wheel device 4 comprises a wheel block 401, the wheel block 401 is in a hollow semi-cylindrical shape, an opening of the wheel block 401 faces downwards, a steering column IV 219 is fixedly connected to the middle part of the upper side of the wheel block 401, connecting blocks 402 are fixedly connected to the lower surfaces of the left side wall and the right side wall of the wheel block 401, the connecting blocks 402 are in a semi-cylindrical handle shape, an axle 403 is fixedly connected to the faces of the two connecting blocks 402 facing each other, a component cylinder 404 is rotatably connected to the outer side of the axle 403 through a bearing, a wheel 405 is sleeved at the middle part of the component cylinder 404, the outer side of the wheel 405 is hollowed, the middle part of the wheel 405 is in a cylindrical shape in a threaded winding connection mode, two ends of the wheel 405 are contracted towards the component cylinder 404, two ends of the wheel 405 are fixedly connected with a ring 406 respectively, the ring 406 is in a circular ring shape, the ring 406 is sleeved on the component cylinder 404, springs 407 are fixedly connected to the faces of the two rings 406 facing away from each other, the component cylinder 404 are wound on the component cylinder 404, and the spring 407 is fixedly connected to the end far away from the ring 404, and when the carriage 101 is in a horizontal state, the height of the lower end of the upright 102 is higher than the horizontal plane of the wheel 405.

Working principle:

the first step: the worker can hold the handle bar 302 to push the cart forward or pull the cart backward, under the condition of straight forward and backward, the hands of the worker exert force simultaneously, so that the first airbag 303 or the second airbag 305 is compressed simultaneously, at this time, the compressed first airbag 303 or the compressed second airbag 305 transmits the gas to the space between the steering cylinder 201 and the steering column 202 along the third air tube 304 and the second air tube 209 or the fourth air tube 306 and the first air tube 208, at this time, the input gases on the left side and the right side in the space are the same, so that the input gases cancel each other, so that the steering device 2 cannot rotate, the cart moves straight, when the forward steering is needed, when the steering is needed to be performed on the right side, the left hand of the worker exerts force, so that the first airbag 303 is extruded, the compressed air bag 303 transmits air to the left space behind the steering cylinder 201 and the steering column 202 along the air pipe three 304 and the air pipe two 209, so that the steering plate one 204 behind is blown by the air from the left side, the steering column one 202 integrally rotates to the right side under the extrusion of the air, the steering column one 202, the steering column two 213, the steering column three 214, the steering column four 219 and the wheel block 401 are connected, the wheel block 401 is rotated to the right side, the wheel device 4 integrally rotates to the right side, the principles of left side rotation and backward movement are the same, the wheel device 4 of the handcart can rotate itself according to the requirement, the handcart is convenient to steer, and the handcart is more labor-saving under the guidance of the steering wheel device 4 after steering when the handcart is steered.

And a second step of: when the wheel device 4 rotates by a certain angle under the driving of the steering device 2, the worker forwards advances by pushing the handle device 3, the forward pushing force of the worker is F1, F1 is decomposed into force F2 which forwards advances along the direction of the wheel device 4 and force F3 which is perpendicular to the forward advancing direction of the wheel device 4, the wheel block 401 drives the axle 403 to enable the component force cylinder 404 to move leftwards under the influence of F3, the wheel 405 is movably sleeved with the component force cylinder 404 through the car ring 406, meanwhile, in the forward advancing process of the handcart, the friction between the wheel 405 and the ground causes the wheel 405 to hardly move in a shifting way, so that the wheel 405 moves rightwards relative to the component force cylinder 404, and the forward advancing operation of the wheel 405 is not influenced by F3 through the connection of the wheel 405 and the component force cylinder 404, so that the handcart is more handy when pushed.

And a third step of: the spiral hollowed-out design of the wheel 405 distributes a plurality of broken stones and mud blocks on a construction site, the area of the wheel 405 contacting the ground is firstly smaller than that of a common wheel, so that the probability of the wheel 405 contacting the broken stones and mud blocks is reduced, in addition, the broken stones and mud blocks can pass through the wheel 405 without contacting the wheel 405, so that the handcart can travel in the construction site more conveniently, in addition, the wheel 405 has certain deformation capacity by the design of the wheel 405, so that a part of the broken stones and mud blocks can be easily compressed when encountering the broken stones and mud blocks, then the broken stones and mud blocks are restored to the original state after passing through the broken stones and mud blocks, and the shrinkage of the wheel 405 also absorbs most of the bumpy force of the handcart, so that the handcart travels in the construction site more stably, and the safety of transporting goods by the handcart is protected.

Fourth step: through installing gasbag one 303 at the rear side of handlebar 302, install gasbag two 305 in the front side of handlebar 302 for the handcart can all turn to through the principle that the first step employed when advancing or backing, thereby make the handcart advance or backing can all carry out the steering treatment of wheel device 4, improved handcart steering capacity.

Fifth step: the motion adaptation of handcart and workman's habit of exerting oneself, when needs handcart need turn to in the in-process of advancing or backing, according to the custom of turning to of old handcart, when the handcart need go forward right turn to, the workman always subconscious use left hand is exerted effort forward, just can extrude the gasbag one 303 on left side handlebar 302 this moment, and the same reason, the workman just can extrude corresponding gasbag one 303 or gasbag two 305 at subconscious motion operation's action in-process, thereby make the handcart turn to, cooperate the subconscious action of workman to operate, make the easy operation of handcart convenient easy go up.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a handcart for construction, includes railway carriage device (1), railway carriage device (1) include railway carriage (101), the front surface of railway carriage (101) is vertical to be connected with spliced pole (103) downwards, its characterized in that: the utility model discloses a steering device, which comprises a connecting column (103), a steering device (2) is arranged below the connecting column (103), the steering device (2) comprises a steering cylinder (201), the steering cylinder (201) presents a round tube shape, a steering column I (202) is sleeved in the steering cylinder (201), gaps exist between the steering column I (202) and the steering cylinder (201), a sealing column (203) is fixedly connected to the left side wall and the right side wall of the steering column I (202), the sealing column (203) presents an arc plate shape, the outer side wall of the sealing column (203) is attached to the inner side wall of the steering cylinder (201), a steering plate I (204) is fixedly connected to the right side of the steering column I (202), a steering plate II (205) is fixedly connected to the right side of the steering column I (202), the steering plate I (204) and the steering plate II (205) are symmetrically arranged, the sealing plate I (204) and the steering plate II (205) are respectively present in a straight plate shape, the sealing plate shape is respectively arranged at the left side wall and the right side of the steering cylinder I (202) and the steering cylinder I (201) and the steering cylinder II (201) are respectively provided with a left side wall and a right side wall, a front wall and a front wall (201) respectively, the steering device is characterized in that the first air hole (206) is right opposite to the first steering plate (204), the two air holes (207) are formed in the left side and the right side of the front end of the steering cylinder (201), the two air holes (207) are right opposite to the second steering plate (205), an air pipe (208) is fixedly inserted into and connected with the first air hole (206), an air pipe (209) is fixedly inserted into and connected with the second air hole (207), the first air pipe (208) is correspondingly inserted into the space behind the steering cylinder (201) and the first steering column (202) at the end close to the steering cylinder (201), the second air pipe (209) is correspondingly inserted into the space in front of the steering cylinder (201) and the first steering column (202), the left side and the right side of the lower part of the carriage (101) are respectively provided with a handle device (3), the two handle devices (3) are symmetrically arranged, and the lower part of the steering device (2) is provided with wheel devices (4).

2. The handcart for building construction according to claim 1, wherein: the utility model discloses a car, including car (101) and handle device, including car (101) and pole setting (102), the wall all presents the inclined plane around car (101), the front inclined plane height of car (101) is higher than back inclined plane, the gradient of the front inclined plane of car (101) is less than back inclined plane, the equal fixedly connected with pole setting (102) in lower surface left and right sides of car (101), pole setting (102) present upright V font, the upper end of pole setting (102) and the lower fixed surface of car (101) are connected, two pole setting (102) are in between handle device (3).

3. The handcart for building construction according to claim 1, wherein: the steering device comprises a steering cylinder (201), wherein a first cylinder cover (210) is fixedly connected to the upper port of the steering cylinder (201), the first cylinder cover (210) is matched with the steering cylinder (201), a connecting column (103) is fixedly connected to the upper surface of the first cylinder cover (210), a second cylinder cover (211) is fixedly connected to the lower port of the steering cylinder (201), a first hole (212) is formed in the middle of the surface of the second cylinder cover (211) and is matched with the steering cylinder (201), a second steering column (213) is fixedly connected to the middle of the lower surface of the first steering column (202), the second steering column (213) is matched with the first hole (212), a third steering column (214) is fixedly connected to the lower end of the second steering column (213), and the third steering column (214) is located below the second steering column cover (211).

4. A handcart for construction according to claim 3, wherein: the lower part of barrel head II (211) is provided with barrel head (215), barrel head groove (216) has been seted up at the upper surface middle part of barrel head (215), the upper port fixed connection barrel head II (211) of barrel head (215), the lower extreme of steering column III (214) inserts barrel head groove (216) middle part, flat torsional spring (217) have been cup jointed to the inside of barrel head groove (216), the inside wall of the one end fixed connection barrel head groove (216) of flat torsional spring (217), the outside wall of the other end fixed connection steering column III (214) of flat torsional spring (217), flat torsional spring (217) have elasticity, hole II (218) have been seted up at the lower inner wall middle part of barrel head groove (216), hole II (218) run through barrel head (215), the lower surface middle part fixed connection steering column IV (219) of steering column III (214), steering column IV (219) are right with hole II (218) position, the lower extreme of steering column IV (219) inserts hole II (218) and second (218) and stretch out the adaptation hole II (218).

5. The handcart for building construction according to claim 1, wherein: the handle device (3) comprises a frame (301), the frame (301) is arranged along the bottom surface of the carriage (101), the frame (301) is in a bent shape, the middle section part of the frame (301) is attached to the bottom surface of the carriage (101) and is fixedly connected with the bottom surface of the carriage (101), the frame (301) is fixedly connected with the outer side wall of the barrel bottom (215) at the end close to the steering device (2), the frame (301) is arranged upwards along the rear inclined surface of the carriage (101) at the end far away from the steering device (2), a handle bar (302) is fixedly connected with the end far away from the steering device (2), the horizontal surface of the handle bar (302) is higher than the horizontal surface where the upper port of the carriage (101) is located, the handle bar (302) is in an L shape, the handle bar (302) at the left is bent to the left side, and the handle bar (302) at the right side is bent to the right side.

6. The handcart for building construction according to claim 5, wherein: the rear side fixedly connected with gasbag one (303) of handlebar (302), two gasbag one (303) all run through fixedly connected with trachea three (304) to the one end that approaches, trachea three (304) are along one side extension of frame (301), trachea three (304) are in the corresponding connection trachea two (209) of the one end that keeps away from gasbag one (303), the front side fixedly connected with gasbag two (305) of handlebar (302), two gasbag two (305) all run through fixedly connected with trachea four (306) to the one end that approaches, trachea four (306) extend along the opposite side of frame (301), trachea four (306) are in the one end that keeps away from gasbag two (305) and are corresponding connection trachea one (208), gasbag one (303) are in communication with space in front of steering cylinder (201) and steering column one (202) through the connection of trachea three (304) and trachea two (209), gasbag two (305) are in communication with space behind steering cylinder one (201) and steering column one through the connection of trachea four (208).

7. The handcart for building construction according to claim 4, wherein: the wheel device (4) comprises a wheel block (401), the wheel block (401) presents a semi-cylindrical shape with hollow inside, the opening of the wheel block (401) is downward, the middle part of the upper side of the wheel block (401) is fixedly connected with a steering column IV (219), the lower surfaces of the left side wall and the right side wall of the wheel block (401) are fixedly connected with a connecting block (402), the connecting block (402) presents a semi-cylindrical handle shape, two opposite sides of the connecting block (402) are fixedly connected with an axle (403) together, the outer side of the axle (403) is rotationally connected with a component force tube (404) through a bearing, the middle part of the component force tube (404) is sheathed with a wheel (405), the outer side of the wheel (405) is hollowed, the middle part of the wheel (405) presents a cylindrical shape with screw winding connection, two ends of the wheel (405) are contracted towards the direction of the component force tube (404), two ends of the wheel (405) are respectively fixedly connected with a vehicle ring (406), the vehicle ring (406) presents a circular ring shape, the vehicle ring (406) is sheathed with a component force tube (406), the two sides of the vehicle ring (406) are connected with the component force tube (404) in a connecting way, the component force tube (407) is fixedly connected with one side (407) far away from the component force tube (407) by the component force tube (407), when the carriage (101) is in a horizontal state, the lower end of the upright (102) is higher than the lower end of the wheel (405).