CN216783527U

CN216783527U - Building construction grit transport trolley

Info

Publication number: CN216783527U
Application number: CN202121612894.1U
Authority: CN
Inventors: 张江林
Original assignee: Zhejiang Jinyao Construction Co ltd
Current assignee: Zhejiang Jinyao Construction Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2022-06-21
Anticipated expiration: 2031-07-15

Abstract

The utility model discloses a building construction gravel transport trolley in the field of building construction transportation, which comprises a trolley hopper and is characterized in that: the left side and the right side of the rear end of the car hopper are symmetrically and fixedly connected with handles, the left side and the right side of the bottom end of the car hopper are fixedly connected with a first fixed block, the first fixed block is rotatably connected with a second fixed block, the bottom end of the second fixed block is fixedly connected with a support, the front end of the support is rotatably connected with a rotating shaft, the left end and the right end of the rotating shaft are fixedly connected with a roller, the inner side of the roller is fixedly connected with a ratchet wheel, the ratchet wheel is meshed with a pawl, and the rear end of the pawl is fixedly connected with a sliding block; the outer end surface of the rear side of the bracket is provided with a sliding chute, and the sliding block is connected with the sliding chute in a sliding way; the rear end of the sliding block is fixedly connected with a first spring, and the rear end of the first spring is fixedly connected with the inner wall of the sliding chute; the inner side surfaces of the rear ends of the left and right side brackets are rotatably connected with a rotating rod, the middle part of the rotating rod is fixedly connected with a buckle, the buckle is clamped with a clamping block, and the clamping block is fixedly connected with a car hopper; the device simple structure convenient to use, the security performance is high, and it is effectual to transport grit material, and the practicality is high.

Description

Building construction grit transport trolley

Technical Field

The utility model relates to the field of building construction transportation, in particular to a sand and stone transportation cart for building construction.

Background

The handcart is most commonly used when short-distance small-batch goods are transported on a building site, a common small handcart generally comprises a saddle and a hand-push frame, and the handcart is simple in structure, low in price, convenient to use and high in flexibility, is particularly suitable for manual transportation of small-batch goods, and is widely applied to carrying and conveying of materials such as gravels and bricks.

The existing cart is very heavy when being fully loaded with goods and is difficult to push on an uphill road section, and when the cart is weak on the uphill road section, the cart can move backwards, so that cart personnel behind the cart are easy to be dangerous; the existing method for unloading the cart usually overturns the cart hopper to achieve the unloading effect, but the mode can drive the foot rods at the rear to rotate upwards when the cart hopper overturns, the foot rods which rotate upwards can collide with the legs of rear operators, so that the anti-collision safety is easily reduced during overturning and unloading, meanwhile, the cart body can move backwards in the process of lifting the cart hopper, if the loaded goods are heavy in mass, the backward force borne by the cart body is very large, workers are easily injured, and the safety is poor.

Therefore, the technical personnel in the field provide a construction gravel transportation cart to solve the problem that when the cart provided in the background art moves on an uphill road section, the cart is easy to retreat due to weakness, when the cart is overturned and unloaded, a rear foot bar is easy to collide with an operator, and a vehicle body is easy to retreat due to retreating force during unloading.

Disclosure of Invention

The utility model aims to provide a sand and stone transport cart for building construction, which aims to solve the problems that when the cart proposed in the background art moves on an uphill road section, the cart is easy to retreat due to weakness, when the cart is overturned and unloaded, a rear foot bar is easy to collide with an operator, and a vehicle body is easy to retreat due to retreating force during unloading.

In order to achieve the purpose, the utility model provides the following technical scheme: a building construction gravel transport cart comprises a cart hopper, handles are symmetrically and fixedly connected to the left side and the right side of the bottom end of the cart hopper, a first fixing block is fixedly connected to the left side and the right side of the bottom end of the cart hopper, the first fixing block is rotatably connected with a second fixing block, the bottom end of the second fixing block is fixedly connected with a support, the front end of the support is rotatably connected with a rotating shaft, rollers are fixedly connected to the left end and the right end of the rotating shaft, ratchet wheels are fixedly connected to the inner sides of the rollers, the ratchet wheels are meshed with pawls, and sliding blocks are fixedly connected to the rear ends of the pawls; the outer end face of the rear side of the bracket is provided with a sliding groove, and the sliding block is connected with the sliding groove in a sliding manner; the rear end of the sliding block is fixedly connected with a first spring, and the rear end of the first spring is fixedly connected with the inner wall of the sliding chute; the surface of the inner side of the rear end of the left side bracket and the right side bracket is rotatably connected with the rotating rod, the middle position of the rotating rod is fixedly connected with the buckle, the buckle is connected with the clamping block in a clamping manner, and the clamping block is fixedly connected with the car hopper.

As a further scheme of the utility model: the bracket is fixedly connected with a fixed plate at the position outside the sliding chute, the fixed plate is in sliding fit with the sliding block, a first threaded hole is formed in the upper end of the sliding block, a screw is arranged in the first threaded hole, and the screw is in threaded fit with the first threaded hole; a second threaded hole is formed in the rear side of the fixing plate and is in threaded fit with the screw; when the cart needs to be pulled backwards, the sliding block is moved to the rear side to be in butt joint with the first threaded hole and the second threaded hole, so that the sliding block can drive the pawl to be separated from the ratchet wheel, then the sliding block is fixed through the screw, and the cart can be pulled backwards.

As a still further scheme of the utility model: the rear end face of the buckle is fixedly connected with a second spring, the rear end of the second spring is fixedly connected with a baffle, and the left end and the right end of the baffle are fixedly connected with the bracket; the second spring can be fixed through the baffle, and the buckle can be kept in the position that can block the fixture block all the time through the second spring.

As a still further scheme of the utility model: the upper end of the rear side of the bracket is fixedly connected with a gasket, and the upper end of the gasket is contacted with the bottom end of the rear side of the car hopper; the car hopper can be supported through the gaskets, and a supporting effect is provided for the car hopper.

As a still further scheme of the utility model: the bottom end of the rear side of the bracket is fixedly connected with a universal wheel; when the car hopper is still, the gravity center is back, and the whole car hopper is slightly inclined towards the rear side; the universal wheels can play a supporting role, meanwhile, the transportation is convenient, and the stability of the trolley in the static state can be improved due to the fact that the gravity center of the trolley hopper is arranged behind.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

the device is when the upset car hopper is unloaded, through lifting up the handle, then steps on the buckle with the foot and open, can be so that car hopper and support rear end separation, then rotate around first fixed block and second fixed block, solved the easy problem of being touched by the foot pole at rear when the upset car hopper is unloaded, reached and effectively improved the security performance, unload more convenient effect.

The device can pin the ratchet wheel through the pawl when the force of retreating is produced when going to take place to retreat and unload in the uphill road section to the back of gyro wheel has been prevented and the problem of easy retreat is solved when the shallow moves in the uphill road section, and the automobile body can receive the force of retreating when the shallow retreats and unloads because of the debilitation easily, has reached the security performance of effective guarantee shallow during operation, promotes the effect of the convenience of work.

Drawings

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

FIG. 2 is an enlarged schematic view of A in FIG. 1;

FIG. 3 is an enlarged view of B in FIG. 1;

fig. 4 is a structural view of a partial sectional view of a bottom view of the present invention.

In the figure: 1-a car hopper, 2-a handle, 3-a first fixing block, 4-a second fixing block, 5-a bracket, 6-a rotating shaft, 7-a roller, 8-a ratchet wheel, 9-a pawl, 10-a sliding block, 11-a sliding chute, 12-a first spring, 13-a rotating rod, 14-a buckle, 15-a clamping block, 16-a fixing plate, 17-a first threaded hole, 18-a screw, 19-a second threaded hole, 20-a second spring, 21-a baffle, 22-a gasket and 23-a universal wheel.

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 to 4, in the embodiment of the utility model, a sand and stone transport cart for building construction comprises a cart hopper 1, wherein handles 2 are symmetrically and fixedly connected to the left side and the right side of the rear end of the cart hopper 1, the left side and the right side of the bottom end of the cart hopper 1 are fixedly connected with a first fixing block 3, the first fixing block 3 is rotatably connected with a second fixing block 4, the bottom end of the second fixing block 4 is fixedly connected with a support 5, the front end of the support is rotatably connected with a rotating shaft 6, the left end and the right end of the rotating shaft 6 are fixedly connected with a roller 7, the inner side of the roller 7 is fixedly connected with a ratchet 8, the ratchet 8 is engaged with a pawl 9, and the rear end of the pawl 9 is fixedly connected with a slide block 10; the outer end face of the rear side of the bracket 5 is provided with a sliding groove 11, and the sliding block 10 is connected with the sliding groove 11 in a sliding manner; the rear end of the sliding block 10 is fixedly connected with a first spring 12, and the rear end of the first spring 12 is fixedly connected with the inner wall of the sliding groove 11; the surfaces of the inner sides of the rear ends of the left and right side brackets 5 are rotatably connected with a rotating rod 13, the middle position of the rotating rod 13 is fixedly connected with a buckle 14, the buckle 14 is clamped with a clamping block 15, and the clamping block 15 is fixedly connected with the car hopper 1.

The bracket 5 is fixedly connected with a fixing plate 16 at the outer side of the sliding chute 11, the fixing plate 16 is in sliding fit with the sliding block 10, the upper end of the sliding block 10 is provided with a first threaded hole 17, a screw 18 is arranged in the first threaded hole 17, and the screw 18 is in threaded fit with the first threaded hole 17; a second threaded hole 19 is formed in the rear side of the fixing plate 16, and the second threaded hole 19 is in threaded fit with the screw 18; when the cart needs to be pulled backwards, the sliding block 10 is moved towards the rear side until the first threaded hole 17 is in butt joint with the second threaded hole 19, so that the sliding block 10 can drive the pawl 9 to be separated from the ratchet wheel 8, and then the sliding block 10 is fixed through the screw 18, so that the cart can be pulled backwards; the rear end face of the buckle 14 is fixedly connected with a second spring 20, the rear end of the second spring 20 is fixedly connected with a baffle 21, and the left end and the right end of the baffle 21 are fixedly connected with the bracket 5; the second spring 20 can be fixed through the baffle 21, and the buckle 14 can be always kept at a position capable of clamping the clamping block 15 through the second spring 20; the upper end of the rear side of the bracket 5 is fixedly connected with a gasket 22, and the upper end of the gasket 22 is contacted with the bottom end of the rear side of the car hopper 1; the car hopper 1 can be supported through the gasket 22, and a supporting function is provided for the car hopper 1; the bottom end of the rear side of the bracket 5 is fixedly connected with a universal wheel 23; when the car hopper 1 is still, the gravity center is back, and the whole car hopper is slightly inclined towards the rear side; the universal wheels 23 can play a supporting role, meanwhile, the transportation is convenient, and the stability of the trolley when the trolley is static can be improved due to the fact that the gravity center of the trolley 1 is arranged behind.

The working principle of the utility model is as follows:

when the device is filled with sandstone materials, a user firstly grasps the handle 2 and then slightly lifts up, at the moment, the handle 2 ascends through the clamping block 15 which drives the car hopper 1, the clamping block 15 drives the rotating rod 13 to ascend through the buckle 14, the rotating rod 13 drives the universal wheel 23 at the rear end of the support 5 to ascend, at the moment, the user pushes the handle 2, the car moves forwards through the roller 7, the roller 7 drives the ratchet 8 to rotate forwards, the pawl 9 moves backwards when the ratchet 8 rotates forwards, the pawl 9 drives the sliding block 10 to slide backwards in the sliding groove 11, the first spring 12 is compressed when the sliding block 10 moves backwards, the ratchet 8 continues to rotate, and the pawl 9 moves forwards under the action of the first spring 12 to continuously engage with the ratchet 8; when the cart runs on an uphill road section and a user begins to lack strength, the roller 7 begins to move backwards, the roller 7 drives the ratchet 8 to begin to rotate backwards, at the moment, the pawl 9 is meshed with the ratchet 8 and locks the ratchet 8, the ratchet 8 locks the roller 7, and the cart stops moving backwards; when the user removes the shallow to the destination and unloads, step on buckle 14 with the foot earlier, make buckle 14 not block fixture block 15, then upwards lift handle 2, push away car hopper 1 forward, car hopper 1 rotates along first fixed block 3 and second fixed block 4, it unclamps handle 2 to rotate when can rotating through self gravity when car hopper 1 rotates, car hopper 1 rotates to 1 the place ahead touching ground of car hopper through self gravity, unload and accomplish, then rethread handle 2 pulls back car hopper 1, when the fixture block 15 of 1 rear end face of car hopper blocks buckle 14, the shallow restores, the operation is accomplished.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a construction grit transportation shallow, includes car hopper (1), its characterized in that: handles (2) are symmetrically and fixedly connected to the left side and the right side of the rear end of the car hopper (1), the left side and the right side of the bottom end of the car hopper (1) are fixedly connected with a first fixing block (3), the first fixing block (3) is rotatably connected with a second fixing block (4), the bottom end of the second fixing block (4) is fixedly connected with a support (5), the front end of the support (5) is rotatably connected with a rotating shaft (6), the left end and the right end of the rotating shaft (6) are fixedly connected with a roller (7), a ratchet wheel (8) is fixedly connected to the inner side of the roller (7), the ratchet wheel (8) is meshed with a pawl (9), and the rear end of the pawl (9) is fixedly connected with a sliding block (10); a sliding groove (11) is formed in the outer end face of the rear side of the support (5), and the sliding block (10) is connected with the sliding groove (11) in a sliding mode; the rear end of the sliding block (10) is fixedly connected with a first spring (12), and the rear end of the first spring (12) is fixedly connected with the inner wall of the sliding groove (11); the utility model discloses a car hopper, including left and right sides support (5), inboard surface of rear end all rotates and connects dwang (13), dwang (13) middle part fixed connection buckle (14), buckle (14) joint fixture block (15), fixture block (15) and car hopper (1) fixed connection.

2. The sand transport cart for building construction according to claim 1, wherein: the bracket (5) is fixedly connected with a fixing plate (16) at the outer side position of the sliding chute (11), the fixing plate (16) is in sliding fit with the sliding block (10), a first threaded hole (17) is formed in the upper end of the sliding block (10), a screw (18) is arranged in the first threaded hole (17), and the screw (18) is in threaded fit with the first threaded hole (17); and a second threaded hole (19) is formed in the rear side of the fixing plate (16), and the second threaded hole (19) is in threaded fit with the screw (18).

3. The sand transport cart for building construction according to claim 1, wherein: buckle (14) rear end face fixed connection second spring (20), second spring (20) rear end fixed connection baffle (21), both ends all with support (5) fixed connection about baffle (21).

4. The sand transport cart for building construction according to claim 1, wherein: the upper end of the rear side of the bracket (5) is fixedly connected with a gasket (22), and the upper end of the gasket (22) is contacted with the bottom end of the rear side of the car hopper (1).

5. The sand transport cart for building construction according to claim 1, wherein: the bottom end of the rear side of the bracket (5) is fixedly connected with a universal wheel (23); when the hopper (1) is stationary, the center of gravity is located rearward, and the entire hopper is slightly inclined rearward.