CN114802372A

CN114802372A - Handcart for construction

Info

Publication number: CN114802372A
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: 2022-07-29
Anticipated expiration: 2041-12-21
Also published as: CN114802372B

Abstract

The invention discloses a trolley for building construction, and relates to the technical field of building construction. The trolley for building construction comprises a trolley box device, wherein the trolley box device comprises a trolley box, a connecting column is vertically and downwards connected to the front surface of the trolley box, a steering device is arranged below the connecting column and comprises a steering cylinder, the steering cylinder is in a circular tube shape, a first steering column is sleeved inside the steering cylinder, a gap is reserved between the first steering column and the steering cylinder, plugging columns are fixedly connected to the left side wall and the right side wall of the first steering column, the plugging columns are in arc-shaped plate shapes, the outer side wall of each plugging column is attached to the inner side wall of the steering cylinder, a first steering plate is fixedly connected to the front side of the first steering column, a second steering plate is fixedly connected to the front side of the first steering column, the first steering plate and the second steering plate are symmetrically arranged, and both the first steering plate and the second steering plate are in a straight plate shape, the handcart for building construction is guided by the wheel device after steering, so that the steering of the handcart is more labor-saving.

Description

Handcart for construction

Technical Field

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

Background

The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and also can be a process of changing various lines on a design drawing into a real object at a specified place. The method comprises foundation engineering construction, main structure construction, roofing engineering construction, decoration engineering construction and the like. The site of the construction work is called a "construction site" or "job site", also called a worksite.

Most handcart at present can only roll along with the axletree and can not turn to the pivoted in the place of wheel, at every turn when the workman need promote the handcart and turn to, all need use the strength of self to drive the automobile body of whole handcart and turn to, just can make the handcart turn to afterwards, like this when the handcart is carried full goods for the weight of handcart self is very big, and the workman promotes the handcart and turns to also very difficulty.

Disclosure of Invention

The invention aims to provide a trolley for building construction, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a handcart for construction, includes the railway carriage device, the railway carriage device includes the railway carriage, the vertical downwardly connected with the spliced pole in front surface of railway carriage, the below of spliced pole is provided with turns to the device, turn to the device and include the steering cylinder, the steering cylinder presents the pipe form, the inside of steering cylinder has cup jointed steering column one, there is the clearance between steering column one and the steering cylinder, all fixedly connected with shutoff post on the wall of the left and right sides of steering column one, the shutoff post presents the arc board type, the lateral wall of shutoff post is laminated with the inside wall of steering cylinder, the dead ahead side fixedly connected with steering plate one of steering column one, steering plate two of the dead ahead side fixedly connected with steering plate one, steering plate one and steering plate two are two sets of symmetry, steering plate one and steering plate two all present straight plate type, two the space behind steering cylinder and steering column one with shutoff post and steering plate one divide into two, two the shutoff post will turn to a section of thick bamboo and two parts about the space in the place ahead of steering column with steering column two, the back end left and right sides of turning to a section of thick bamboo has all seted up gas pocket one, gas pocket one is just to steering column one, gas pocket two has all been seted up to the front end left and right sides of turning to a section of thick bamboo, gas pocket two is just to steering column two, the inside fixed insertion of gas pocket one is connected with trachea one, the inside fixed insertion of gas pocket two is connected with trachea two, trachea one corresponds in the space of inserting steering column and a steering column rear near the one end that turns to a section of thick bamboo, trachea two corresponds in the space of inserting steering column and a steering column the place ahead near the one end that turns to a section of thick bamboo, the below left and right sides of railway carriage all is provided with handle device, two handle device symmetry sets up, the below that turns to the device is provided with the wheel device.

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

Preferably, turn to a last port fixedly connected with cover one of section of thick bamboo, cover one with turn to a section of thick bamboo adaptation, the last fixed surface of cover one connects the spliced pole, turn to a lower port fixedly connected with cover two of section of thick bamboo, cover two and turn to a section of thick bamboo adaptation, the surperficial middle part of cover two has been seted up, run through cover two, the lower surface middle part fixedly connected with of turning to post one turns to post two, during the lower extreme of turning to post two inserts, turning to post two and adaptation, the lower extreme fixedly connected with of turning to post two turns to post three, turning to post three is located the below of cover two.

Preferably, the cylinder bottom is arranged below the cylinder cover II, a cylinder bottom groove is formed in the middle of the upper surface of the cylinder bottom, the upper end port of the cylinder bottom is fixedly connected with the cylinder cover II, the lower end of the steering column III is inserted into the middle of the cylinder bottom groove, a flat torsion spring is sleeved inside the cylinder bottom groove, the inner side wall of the one end fixed connection cylinder bottom groove of the flat torsion spring, the other end fixed connection steering column III of the flat torsion spring is fixedly connected with the outer side wall of the steering column III, the flat torsion spring has elasticity, a hole II is formed in the middle of the lower inner wall of the cylinder bottom groove, the hole II penetrates through the cylinder bottom, a steering column IV is fixedly connected with the middle of the lower surface of the steering column III, the steering column IV is right opposite to the hole II, the lower end inserting hole II of the steering column IV is matched with the hole II, and the lower end of the steering column IV extends out of the hole II.

Preferably, handle device includes the 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 the bottom surface and with the bottom surface fixed connection of railway carriage, the frame is being close the lateral wall at that one end fixed connection bobbin base that turns to the device, the frame upwards sets up along the back slope of railway carriage in that one end of keeping away from the device that turns to, the frame is keeping away from that 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 last port place of railway carriage, the handlebar presents the L type, is in the left side the handlebar is buckled to the left side, is in the right side the handlebar is buckled to the right side.

Preferably, the rear side fixedly connected with gasbag one of handlebar, two fixedly connected with trachea three is all run through to that one end that the gasbag is close earlier on, trachea three extends along one side of frame, trachea three corresponds and connects trachea two in the one end of keeping away from gasbag one, the front side fixedly connected with gasbag two of handlebar, two fixedly connected with trachea four is all run through to that one end that the gasbag two-way is close, trachea four extends along the opposite side of frame, trachea one is corresponding and is connected trachea four in the one end of keeping away from gasbag two, gasbag one communicates with each other through the space of being connected of trachea three with trachea two and turning to a section of thick bamboo and turning to a first place ahead, the gasbag two-way is connected with trachea one through trachea four and is communicated with the space behind a turning to a section of thick bamboo and a turning to a column.

Preferably, the wheel device comprises a wheel block, the wheel block is in a hollow semi-cylindrical shape, the opening of the wheel block faces downwards, the middle of the upper side of the wheel block is fixedly connected with a steering column four, the lower surfaces of the left side wall and the right side wall of the wheel block are fixedly connected with connecting blocks, the connecting blocks are in a semi-cylindrical handle shape, the two connecting blocks are connected with an axle to the opposite side in a common fixed mode, the outer side of the axle is rotatably connected with a component force cylinder through a bearing, the middle of the component force cylinder is sleeved with a wheel, the outer side of the wheel is hollow, the middle of the wheel is in a cylindrical shape in a threaded winding mode, the two ends of the wheel are contracted towards the component force cylinder, the two ends of the wheel are respectively fixedly connected with a wheel ring in a circular shape, the wheel ring is sleeved on the component force cylinder, and the two sides of the wheel rings are opposite to each other are fixedly connected with a spring, the spring is wound on the component force barrel, the end, far away from the vehicle ring, of the spring is fixedly connected with the component force barrel, and when the compartment is in a horizontal state, the height of the horizontal plane where the lower end of the upright rod is located is higher than that of the horizontal plane where the lower end of the wheel is located.

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

(1) the handcart for building construction is characterized in that a worker can hold a handlebar to push the handcart to move forward or pull the handcart to move backward, both hands of the worker exert force simultaneously under the conditions of linear forward and backward movement, so that a first air bag or a second air bag is compressed simultaneously, gas transmitted by the compressed first air bag or the compressed second air bag is transmitted to a space in front of and behind a steering cylinder and a steering column along a third air pipe and a second air pipe or a fourth air pipe and a first air pipe, the input gas on the left side and the right side in the front and back spaces is the same at the moment, so that the input gas is counteracted, a steering device cannot rotate, the handcart moves linearly, when forward steering is required, the worker exerts force with the left hand when steering to the right side, so that the first air bag is extruded, and the compressed first air bag transmits the gas to the space in the left side behind the steering cylinder and the steering column along the third air pipe and the second air pipe, make the first deflector that receives the gas that blows from the left side at rear, under gaseous extrusion, make a steering column whole rotate to the right side, through steering column one, steering column two, steering column three, the connection of steering column four and wheel fender, thereby make wheel fender rotate to the right side, make the wheel device whole rotate to the right side, the principle homogeneous phase of left side rotation and backward motion is the same, thereby make the wheel device of handcart can carry out self rotation as required, thereby make the handcart turn to, and when the handcart turned to, under the guide after the wheel device turned to, make the turning to of handcart more laborsaving.

(2) When the wheel device is driven by the steering device to rotate for a certain angle, at the moment, a worker pushes the handle device to move forwards, the force pushed forwards by the worker is F1, F1 is decomposed into a force F2 advancing along the direction of the wheel device and a force F3 perpendicular to the advancing direction of the wheel device, the wheel block drives the axle to enable the component force cylinder to move towards the left side under the influence of F3, the wheel is movably sleeved with the component force cylinder through a wheel ring, meanwhile, in the process of advancing the trolley, the friction between the wheels and the ground leads the wheels to be difficult to shift and move, thereby the wheel moves towards the right side relative to the component force cylinder, and through the connection of the wheel and the component force cylinder, so that the operation of the wheels to advance the cart is not affected by F3, thereby making the cart more handy when pushed.

(3) The spiral hollow design of the wheel of the handcart for building construction distributes a plurality of broken stones and mud blocks on a construction site, the contact area of the wheel with the ground is smaller than that of the common wheel, so that the contact probability of the wheel with the broken stones and mud blocks is reduced, in addition, the broken stones and mud blocks can also pass through the wheel without contacting the wheel, thereby the handcart can more conveniently move in a construction site, in addition, the wheels have certain deformation capacity through the self design of the wheels, so that a part of the trolley can be easily compressed when meeting the broken stones and the mud lumps and then returns to the original shape after passing through the broken stones and the mud lumps, and the most of the bumping force of the trolley is also absorbed by the contraction of the wheels, therefore, the trolley can move more stably on the construction site, and the safety of goods conveyed by the trolley is protected.

(4) This handcart for construction, through the rear side installation gasbag one at the handlebar, at the front side installation gasbag two of handlebar for the handcart is all can turn to through the principle of first step application when advancing or backset, thereby makes and all can carry out the turn to of wheel device when the handcart advances or backset and handle, has improved handcart steering capacity.

(5) This handcart for construction, the motion adaptation of handcart and workman's custom of exerting oneself, when the in-process that needs the handcart to go forward or retreat needs turn to, according to the turning habit of old-fashioned handcart, when the handcart needs to go forward the right turn, the workman always subconscious use left hand is exerted oneself forward, just can extrude gasbag one on the handlebar of left side this moment, and is in the same way, the workman can extrude gasbag one or gasbag two that correspond in the action in-process of subconscious motion operation alright in order, thereby make the handcart turn to, cooperation workman's subconscious action operates, make the simple operation side of handcart convenient and easy to go up.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the steering apparatus 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 the wheel assembly of the present invention;

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

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

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

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

fig. 9 is a schematic diagram of the wheel stress of the present invention.

In the figure: 1. a carriage device; 101. a carriage; 102. erecting a rod; 103. connecting columns; 2. a steering device; 201. a steering cylinder; 202. a first steering column; 203. plugging the column; 204. a first steering plate; 205. a second steering plate; 206. a first air hole; 207. a second air hole; 208. a first trachea; 209. a second trachea; 210. a first cylinder cover; 211. a second cylinder cover; 212. a first hole; 213. a second steering column; 214. a third steering column; 215. a cylinder bottom; 216. a barrel bottom groove; 217. a flat torsion spring; 218. a second hole; 219. a fourth steering column; 3. a handle device; 301. a frame; 302. a handlebar; 303. a first air bag; 304. a third trachea; 305. a second air bag; 306. a fourth trachea; 4. a wheel device; 401. a wheel chock; 402. connecting blocks; 403. an axle; 404. a component force cylinder; 405. a wheel; 406. turning a ring; 407. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

Referring to fig. 1-9, the present invention provides a technical solution: a trolley for building construction comprises a trolley box device 1, wherein the trolley box device 1 comprises a trolley box 101, a connecting column 103 is vertically connected to the front surface of the trolley box 101 downwards, 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 circular tube shape, a first steering column 202 is sleeved inside the steering cylinder 201, a gap is reserved between the first steering column 202 and the steering cylinder 201, blocking columns 203 are fixedly connected to the left side wall and the right side wall of the first steering column 202 respectively, the blocking columns 203 are in an arc plate shape, the outer side walls of the blocking columns 203 are attached to the inner side walls of the steering cylinder 201, a first steering plate 204 is fixedly connected to the front side of the first steering column 202, a second steering plate 205 is fixedly connected to the front side of the first steering column 202, the first steering plate 204 and the second steering plate 205 are symmetrically arranged, the first steering plate 204 and the second steering plate 205 are in a straight plate shape, and the two blocking columns 203 and the first steering plate 204 divide the space behind the steering cylinder 201 and the first steering column 202 into a left part and a right part, the space in front of the steering cylinder 201 and the steering column I202 is divided into a left part and a right part by the two plugging columns 203 and the steering plate II 205, the left side and the right side of the rear end of the steering cylinder 201 are respectively provided with the air hole I206, the air hole I206 is opposite to the steering plate I204, the left side and the right side of the front end of the steering cylinder 201 are respectively provided with the air hole II 207, the air hole II 207 is opposite to the steering plate II 205, the inside of the air hole I206 is fixedly inserted and connected with the air pipe I208, the inside of the air hole II 207 is fixedly inserted and connected with the air pipe II 209, the end of the air pipe I208 close to the steering cylinder 201 is correspondingly inserted into the space behind the steering cylinder 201 and the steering column I202, the second air pipe 209 is inserted into the space in front of the steering cylinder 201 and the first steering column 202 at the end close to the steering cylinder 201, the left side and the right side below the carriage 101 are both provided with handle devices 3, the two handle devices 3 are symmetrically arranged, and the wheel devices 4 are arranged below the steering device 2.

The peripheral walls of the carriage 101 are inclined planes, the height of the front inclined plane of the carriage 101 is higher than that of the rear inclined plane, the inclination of the front inclined plane of the carriage 101 is lower than that of the rear inclined plane, the left side and the right side of the lower surface of the carriage 101 are fixedly connected with the vertical rods 102, the vertical rods 102 are in a vertical 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 located between the two handle devices 3.

The upper port of the steering cylinder 201 is fixedly connected with a cylinder cover I210, the cylinder cover I210 is matched with the steering cylinder 201, the upper surface of the cylinder cover I210 is fixedly connected with a connecting column 103, the lower port of the steering cylinder 201 is fixedly connected with a cylinder cover II 211, the cylinder cover II 211 is matched with the steering cylinder 201, the middle part of the surface of the cylinder cover II 211 is provided with a connecting column 212, the connecting column 212 penetrates through the cylinder cover II 211, the middle part of the lower surface of the steering cylinder I202 is fixedly connected with a steering column II 213, the lower end of the steering column II 213 is inserted into the connecting column 212, the steering column II 213 is matched with the connecting column 212, the lower end of the steering column II 213 is fixedly connected with a steering column III 214, and the steering column III 214 is located below the cylinder cover II 211.

A drum bottom 215 is arranged below the drum cover II 211, a drum bottom groove 216 is formed in the middle of the upper surface of the drum bottom 215, an upper port of the drum bottom 215 is fixedly connected with the drum cover II 211, the lower end of the steering column III 214 is inserted into the middle of the drum bottom groove 216, a flat torsion spring 217 is sleeved inside the drum bottom groove 216, one end of the flat torsion spring 217 is fixedly connected with the inner side wall of the drum 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 has elasticity, a hole II 218 is formed in the middle of the lower inner wall of the drum bottom groove 216, the hole II 218 penetrates through the drum bottom 215, a steering column IV 219 is fixedly connected to the middle of the lower surface of the steering column III 214, 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.

Handle device 3 includes frame 301, frame 301 sets up along the bottom surface of railway carriage 101, frame 301 presents the shape of buckling, the middle section part laminating railway carriage 101 of frame 301 the bottom surface and with the bottom surface fixed connection of railway carriage 101, frame 301 is being close to the lateral wall at that one end fixed connection bobbin base 215 that turns to device 2, frame 301 upwards sets up along the back bevel of railway carriage 101 in that one end of keeping away from to turning to device 2, frame 301 is keeping away from that one end fixedly connected with handlebar 302 that turns to device 2, the horizontal plane that handlebar 302 belonged to is higher than the horizontal plane at the last port place of railway carriage 101, handlebar 302 presents the L type, handlebar 302 that is in the left side is buckled to the left side, handlebar 302 that is in the right side is buckled to the right side.

The rear side of the handlebar 302 is fixedly connected with a first air bag 303, the ends, close to each other, of the two first air bags 303 are fixedly connected with a third air bag 304 in a penetrating mode, the third air bag 304 extends along one side of the frame 301, the end, far away from the first air bag 303, of the third air bag 304 is correspondingly connected with a second air bag 209, the front side of the handlebar 302 is fixedly connected with a second air bag 305, the ends, close to each other, of the two second air bags 305 are fixedly connected with a fourth air bag 306 in a penetrating mode, the fourth air bag 306 extends along the other side of the frame 301, the end, far away from the second air bag 305, of the fourth air bag 306 is correspondingly connected with a first air pipe 208, the first air bags 303 are communicated with the space in front of the steering cylinder 201 and the steering column 202 through connection of the third air bag 304 and the second air pipe 209, and the second air bags 305 are communicated with the space behind the steering cylinder 201 and the steering column 202 through connection of the fourth air pipe 306 and the first air pipe 208.

The wheel device 4 comprises a wheel block 401, the wheel block 401 is in a hollow semi-cylindrical shape, the opening of the wheel block 401 is downward, the middle 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 both fixedly connected with connecting blocks 402, the connecting blocks 402 are in a semi-cylindrical handle shape, the opposite surfaces of the two connecting blocks 402 are fixedly connected with an axle 403 together, the outer side of the axle 403 is rotatably connected with a component force cylinder 404 through a bearing, the middle of the component force cylinder 404 is sleeved with a wheel 405, the outer side of the wheel 405 is hollow, the middle of the wheel 405 is in a threaded cylindrical shape, both ends of the wheel 405 are contracted towards the component force cylinder 404, both ends of the wheel 405 are respectively and fixedly connected with a vehicle ring 406, the vehicle ring 406 is in a circular ring shape, the vehicle ring 406 is sleeved on the component force cylinder 404, the surfaces of the two vehicle rings 406, which are opposite to each other, are both fixedly connected with a spring 407, the spring 407 is wound on the component force cylinder 404, the spring 407 is fixedly connected with the component force barrel 404 at the end far away from the ring 406, and when the compartment 101 is in a horizontal state, the lower end of the upright rod 102 is located at a level higher than the level of the lower end of the wheel 405.

The working principle is as follows:

the first step is as follows: the worker can hold the handle bar 302 to push the handcart to move forward or pull the handcart to move backward, in the case of straight forward and backward movement, the two hands of the worker exert force simultaneously to compress the first air bag 303 or the second air bag 305 simultaneously, at the same time, the gas transmitted by the first air bag 303 or the second air bag 305 is transmitted to the front and back spaces of the steering cylinder 201 and the first steering column 202 along the third air pipe 304 and the second air pipe 209 or the fourth air pipe 306 and the first air pipe 208, the input gas on the left side and the right side in the front and back spaces is the same, so that the input gas on the left side and the right side are mutually counteracted, the steering device 2 cannot rotate, the handcart moves linearly, when forward steering is needed, the left hand of the worker exerts force to squeeze the first air bag 303, so that the compressed first air bag 303 transmits the gas to the left space behind the steering cylinder 201 and the first steering column 202 along the third air pipe 304 and the second air pipe 209, the first steering plate 204 at the rear is blown by gas from the left side, the first steering column 202 is enabled to rotate towards the right side integrally under the extrusion of the gas, the wheel block 401 is enabled to rotate towards the right side by the connection of the first steering column 202, the second steering column 213, the third steering column 214, the fourth steering column 219 and the wheel block 401, the wheel device 4 is enabled to rotate towards the right side integrally, the left-side rotation and the backward movement are the same in principle, the wheel device 4 of the trolley can rotate per se according to needs, the trolley is convenient to steer, and when the trolley steers, the trolley is enabled to be more labor-saving to steer under the guiding of the steered wheel device 4.

The second step is that: when wheel device 4 is rotated by a certain angle under the driving of steering device 2, and the worker pushes handle device 3 to move forward, the force pushed forward by the worker is F1, F1 is decomposed into force F2 advancing in the direction of wheel device 4 and force F3 perpendicular to the advancing direction of wheel device 4, and the influence of F3 causes wheel stopper 401 to drive axle 403 to move force-dividing cylinder 404 to the left, wheel 405 is movably sleeved with force-dividing cylinder 404 through ring 406, also, during the forward travel of the cart, the friction of the wheels 405 with the ground causes the wheels 405 to move with difficulty in shifting, so that the wheel 405 moves to the right with respect to the component force cylinder 404, by the connection of the wheel 405 and the component force cylinder 404, so that the operation of the wheels 405 to advance the cart is not affected by F3, thereby making the cart more handy when pushed.

The third step: the spiral hollowed design of the wheel 405 is that a plurality of broken stones and mud lumps are distributed on a building site, the area of the wheel 405 contacting the ground is smaller than that of a common wheel, so that the probability of the wheel 405 contacting the broken stones and mud lumps is reduced, in addition, the broken stones and mud lumps can also pass through the wheel 405 without contacting the wheel 405, so that the trolley can travel more conveniently in the building site, in addition, through the self design of the wheel 405, the wheel 405 has certain deformation capacity, so that a part of the trolley can be easily compressed when the broken stones and mud lumps are encountered, then the trolley returns to the original shape after passing through the broken stones and mud lumps, and the contraction of the wheel 405 also absorbs most of bumping force of the trolley, so that the trolley travels more stably on the building site, and the safety of goods conveyed by the trolley is protected.

The fourth step: the first air bag 303 is arranged on the rear side of the handlebar 302, and the second air bag 305 is arranged on the front side of the handlebar 302, so that the trolley can be steered by the principle applied in the first step when moving forwards or backwards, the steering processing of the wheel device 4 can be performed when the trolley moves forwards or backwards, and the steering capacity of the trolley is improved.

The fifth step: the motion adaptation of handcart and workman's habit of exerting oneself, when the in-process that needs the handcart to go forward or retreat needs turn to, according to the turning habit of old-fashioned handcart, when the handcart needs to go forward the right turn, the workman always subconsciously uses the left hand to exert oneself forward, just can extrude gasbag one 303 on left handlebar 302 this moment, the researcher, the action in-process of the motion operation of workman subconsciousness alright with extrude corresponding gasbag one 303 or gasbag two 305, thereby make the handcart turn to, cooperation workman's subconscious action operates, make the operation letter of handcart simple and easy hand-up.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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) includes railway carriage (101), the vertical spliced pole (103) that are connected with downwards of front surface of railway carriage (101), its characterized in that: the 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 circular tube shape, a first steering column (202) is sleeved inside the steering cylinder (201), a gap is reserved between the first steering column (202) and the steering cylinder (201), a blocking column (203) is fixedly connected to the left side wall and the right side wall of the first steering column (202), the blocking column (203) is in 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 first steering plate (204) is fixedly connected to the front side of the first steering column (202), a second steering plate (205) is fixedly connected to the front side of the first steering column (202), the first steering plate (204) and the second steering plate (205) are symmetrically arranged, and the first steering plate (204) and the second steering plate (205) are both in a straight plate shape, the space behind the steering cylinder (201) and the steering column I (202) is divided into a left part and a right part by the two blocking columns (203) and the steering plate I (204), the space in front of the steering cylinder (201) and the steering column I (202) is divided into a left part and a right part by the two blocking columns (203) and the steering plate II (205), the left side and the right side of the rear end of the steering cylinder (201) are respectively provided with a first air hole (206), the first air hole (206) is just opposite to the steering plate I (204), the left side and the right side of the front end of the steering cylinder (201) are respectively provided with a second air hole (207), the second air hole (207) is just opposite to the steering plate II (205), the first air hole (206) is fixedly inserted and connected with a first air pipe (208) in the inner part, the second air pipe (209) is fixedly inserted and connected with a second air pipe (209) in the inner part close to the steering cylinder (201), and the first air pipe (208) is correspondingly inserted into the space behind the steering cylinder (201) and the steering column I (202), trachea two (209) are being close that one end correspondence of turning to a section of thick bamboo (201) inserts in the space that turns to a section of thick bamboo (201) and steering column one (202) the place ahead, the below left and right sides of railway carriage (101) all is provided with handle device (3), two handle device (3) symmetry sets up, the below of turning to device (2) is provided with wheel device (4).

2. The trolley for construction according to claim 1, wherein: the utility model discloses a handle device, including railway carriage (101), the slope is all appeared to the wall all around of railway carriage (101), the preceding slope height of railway carriage (101) is higher than the back slope, the gradient of the preceding slope of railway carriage (101) is less than the back slope, the equal fixedly connected with pole setting (102) in the lower surface left and right sides of railway carriage (101), pole setting (102) appear just standing V font, the upper end of pole setting (102) and the lower fixed surface of railway carriage (101) are connected, two pole setting (102) are in two between handle device (3).

3. The trolley for construction according to claim 1, wherein: turn to the last port fixedly connected with cover one (210) of a section of thick bamboo (201), cover one (210) with turn to a section of thick bamboo (201) adaptation, the last fixed surface of cover one (210) connects spliced pole (103), turn to the lower port fixedly connected with cover two (211) of a section of thick bamboo (201), cover two (211) with turn to a section of thick bamboo (201) adaptation, the surface middle part of cover two (211) has been seted up (212), cover two (211) are run through (212), the lower surface middle part fixedly connected with steering column two (213) of steering column one (202), the lower extreme of steering column two (213) inserts in (212), steering column two (213) and (212) adaptation, the lower extreme fixedly connected with steering column three (214) of steering column two (213), steering column three (214) are in the below of cover two (211).

4. The trolley for construction according to claim 3, wherein: a cylinder bottom (215) is arranged below the cylinder cover II (211), a cylinder bottom groove (216) is formed in the middle of the upper surface of the cylinder bottom (215), the upper end opening of the cylinder bottom (215) is fixedly connected with the cylinder cover II (211), the lower end of the steering column III (214) is inserted into the middle of the cylinder bottom groove (216), a flat torsion spring (217) is sleeved inside the cylinder bottom groove (216), one end of the flat torsion spring (217) is fixedly connected with the inner side wall of the cylinder 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) has elasticity, a hole II (218) is formed in the middle of the lower inner wall of the cylinder bottom groove (216), the hole II (218) penetrates through the cylinder bottom (215), a steering column IV (219) is fixedly connected to the middle of the lower surface of the steering column III (214), and the steering column IV (219) is right 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).

5. The trolley for building construction as claimed in claim 1, wherein: the handle device (3) comprises a vehicle frame (301), the vehicle frame (301) is arranged along the bottom surface of the compartment (101), the frame (301) is bent, the middle section of the frame (301) is attached to the bottom surface of the compartment (101) and is fixedly connected with the bottom surface of the compartment (101), the end of the frame (301) close to the steering device (2) is fixedly connected with the outer side wall of the cylinder bottom (215), the frame (301) is arranged upwards along the rear inclined plane of the compartment (101) at the end far away from the steering device (2), a handlebar (302) is fixedly connected to one end of the frame (301) far away from the steering device (2), the horizontal plane of the handle (302) is higher than the horizontal plane of the upper port of the compartment (101), the handlebar (302) is L-shaped, the handlebar (302) on the left side is bent to the left side, and the handlebar (302) on the right side is bent to the right side.

6. The trolley for construction according to claim 5, wherein: the rear side of the handlebar (302) is fixedly connected with a first air bag (303), the ends of the two first air bags (303) approaching each other penetrate through a third air pipe (304), the third air pipe (304) extends along one side of the frame (301), the end of the third air pipe (304) far away from the first air bag (303) is correspondingly connected with a second air pipe (209), the front side of the handlebar (302) is fixedly connected with a second air bag (305), the ends of the two second air bags (305) approaching each other penetrate through a fourth air pipe (306), the fourth air pipe (306) extends along the other side of the frame (301), the end of the fourth air pipe (306) far away from the second air bag (305) is correspondingly connected with a first air pipe (208), and the first air bags (303) are communicated with the space in front of the steering cylinder (201) and the steering column (202) through the connection of the third air pipe (304) and the second air pipe (209), the second air bag (305) is communicated with the space behind the steering cylinder (201) and the first steering column (202) through the connection of the fourth air pipe (306) and the first air pipe (208).

7. The trolley for construction according to claim 2, wherein: the wheel device (4) comprises a wheel chock (401), the wheel chock (401) is in a hollow semi-cylindrical shape, the opening of the wheel chock (401) faces downwards, the middle of the upper side of the wheel chock (401) is fixedly connected with a steering column four (219), the lower surfaces of the left side wall and the right side wall of the wheel chock (401) are fixedly connected with connecting blocks (402), the connecting blocks (402) are in a semi-cylindrical handle shape, the two connecting blocks (402) are fixedly connected with an axle (403) towards the opposite side, the outer side of the axle (403) is rotatably connected with a component force cylinder (404) through a bearing, the middle of the component force cylinder (404) is sleeved with a wheel (405), the outer side of the wheel (405) is hollow, the middle of the wheel (405) is in a cylindrical shape with a thread in a winding manner, the two ends of the wheel (405) are contracted towards the component force cylinder (404), and the two ends of the wheel (405) are respectively and fixedly connected with a vehicle ring (406), the car ring (406) presents the ring form, car ring (406) cup joints on component force section of thick bamboo (404), two equal fixedly connected with spring (407) of the one side that car ring (406) deviates from mutually, spring (407) wraparound connects on component force section of thick bamboo (404), spring (407) is in that one end fixed connection component force section of thick bamboo (404) of keeping away from car ring (406), when railway carriage (101) present the horizontality, the horizontal plane height that the lower extreme of pole setting (102) was located is higher than the horizontal plane height that wheel (405) lower extreme was located.