CN219904386U - Building construction anti-tilting handcart - Google Patents

Abstract

The utility model discloses a tilting-prevention handcart for building construction, which aims to solve the technical problems that an auxiliary supporting mechanism of a hopper in the existing handcart is manually unfolded and stored, and can not realize linkage automatic control, so that the use flow is complicated, and the auxiliary supporting mechanism of the existing handcart can not realize the braking function of casters in a linkage manner. The bicycle comprises a bicycle hopper, wherein casters are arranged on two sides of the bicycle hopper, a rear supporting frame is fixedly arranged on the rear side of the bicycle hopper, a handle shaft is rotatably connected to the rear part of the bicycle hopper, a group of torsion springs are fixedly arranged at the rotary joint of the handle shaft and the bicycle hopper, a handle is fixedly arranged on the peripheral side face of the handle shaft, a supporting shaft is rotatably connected to the front lower part of the bicycle hopper, a front supporting frame is fixedly arranged on the surface of the supporting shaft, the peripheral side face of the supporting shaft is in transmission connection with the handle shaft through two linkage mechanisms, and the casters are unfolded along with the front supporting frame to realize linkage braking. The utility model adds the double-support mechanism of the hopper of the handcart on the basis of the traditional handcart.

Description

Building construction anti-tilting handcart

Technical Field

The utility model belongs to the technical field of trolleys, and particularly relates to an anti-tilting trolley for building construction.

Background

The existing handcart is convenient to unload, and the hopper is often set to be inclined away from the end face of one end of the handlebar, so that the material in the hopper can be dumped for the most part when the handlebar is lifted, but the handcart designed in the way also brings certain problems: there is not the device at the inclined plane department of hopper to support the hopper, if the slope department of hopper carries the material too much just causes the handlebar perk easily when loading, whole automobile body emptys, influences work efficiency, leads to the handlebar perk to hurt the people even, and the danger is high.

In order to solve the problems in the prior art, patent document with publication number CN218021650U discloses a handcart for building construction with tilting prevention function, the handcart is provided with a bracket mechanism, one end of a vehicle body is provided with the bracket mechanism, the bracket mechanism has two working states, the bracket mechanism is adjusted to support a hopper during charging, the stability of the hopper is kept, the hopper can not tilt towards an inclined plane during charging, the working efficiency of charging is increased, the bracket mechanism is adjusted to be attached to the inclined plane of the hopper during carrying building materials, the bracket mechanism is prevented from influencing the movement of the vehicle body, but the auxiliary supporting mechanism of the hopper depends on manual unfolding and storage, the automatic linkage control cannot be realized, thus the use process is complicated, and the auxiliary supporting mechanism of the technical scheme can not realize the braking function of casters.

Disclosure of Invention

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a building construction anti-tilting handcart, and aims to solve the technical problems that an auxiliary supporting mechanism of a hopper in the existing handcart is manually unfolded and stored, and can not realize linkage automatic control, so that the use flow is complicated, and the auxiliary supporting mechanism of the existing handcart can not realize the braking function of casters in a linkage manner.

(2) Technical proposal

In order to solve the technical problems, the utility model provides the building construction tilting-prevention handcart, which comprises a hopper, wherein casters are arranged on two sides of the hopper, a rear supporting frame is fixedly arranged on the rear side of the hopper, a handle shaft is rotatably connected to the rear part of the hopper, a group of torsion springs are fixedly arranged at the rotary connection part of the handle shaft and the hopper, a handle is fixedly arranged on the peripheral side surface of the handle shaft, a supporting shaft is rotatably connected to the front lower part of the hopper, a front supporting frame is fixedly arranged on the surface of the supporting shaft, the peripheral side surface of the supporting shaft is in transmission connection with the handle shaft through two linkage mechanisms, and the casters are unfolded and braked along with the front supporting frame.

Preferably, the linkage mechanism comprises a shaft coupling horizontally arranged and rotationally connected to the inside of the car hopper, a driving shaft rotationally connected to the outside of the car hopper and horizontally arranged and a transmission bevel gear fixed at the end part of the shaft, a driven bevel gear meshed with the transmission bevel gear is fixedly arranged at the tail end of the shaft coupling, the peripheral side surface of the shaft coupling is in transmission connection with the driving shaft through a belt, the supporting shaft is driven through the driving shaft, and a braking component matched with the trundle is arranged at the tail part of the driving shaft.

Further, the end part of the supporting shaft is fixedly provided with a differential bevel gear, and the tail end of the driving shaft is fixedly provided with a driving bevel gear meshed with the differential bevel gear.

Further, the brake assembly comprises a transmission screw rod fixed at the tail end of the driving shaft and a brake block in sliding connection with the car hopper, the peripheral side surface of the transmission screw rod is in transmission connection with the brake block, and friction lines are fixedly arranged on one side of the brake block, opposite to the casters.

Furthermore, two limit pieces which are symmetrically arranged and matched with the car hopper are fixedly arranged on the peripheral side surface of the handle shaft.

Further, the cross section of the front support frame is U-shaped, and the truckles are arranged between the front support frame and the rear support frame.

(3) Advantageous effects

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

according to the utility model, the double-support mechanism for the hopper of the handcart is added on the basis of the traditional handcart, when the hopper is in a non-use and non-stressed state, the handle is automatically attached to the hopper under the action of the torsion spring, when the handle is attached to the hopper, the front support is driven by the driving shaft and the coupling and is unfolded, when the handle is attached to the hopper, the front support is unfolded and is parallel to the handle, and after the front support is unfolded, the phenomenon of tipping bucket of the hopper in a feeding state is effectively avoided, and due to the arrangement of the storage state of the handle in the non-stressed state, the damage of the handle to a user during feeding of the hopper can be effectively avoided, meanwhile, after the front support is unfolded, the brake block automatically brakes the trundle, when the handle is used, the front support is linked with the hand wheel, and the brake block loses the stopping effect on the trundle.

Drawings

FIG. 1 is a schematic view of a construction anti-warp cart according to the present utility model;

FIG. 2 is a schematic view of a partial enlarged structure of the present utility model at A in FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 1 from another perspective in accordance with the present utility model;

fig. 4 is a schematic view of a partial enlarged structure at B in fig. 3 according to the present utility model.

The marks in the drawings are: 1. a hopper; 2. casters; 3. a rear bracket; 4. a handle shaft; 5. a torsion spring; 6. a handle; 7. supporting a shaft; 8. a front support; 9. coupling shaft; 10. a drive shaft; 11. a transmission screw rod; 12. a brake block; 13. and a limiting piece.

Description of the embodiments

Referring to fig. 1-4, the present embodiment is a tilting prevention handcart for building construction, including a hopper 1, casters 2 are installed on both sides of the hopper 1, a rear bracket 3 is fixedly installed on the rear side of the hopper 1, a handle shaft 4 is rotatably connected to the rear part of the hopper 1, a group of torsion springs 5 are fixedly arranged at the rotational connection position of the handle shaft 4 and the hopper 1, and a handle 6 is fixedly installed on the peripheral side surface of the handle shaft 4;

when the handle shaft 4 is in a non-stressed state, the handle 6 has a tendency of being automatically attached to the hopper 1 under the action of the torsion spring 5;

two limit pieces 13 which are symmetrically arranged and matched with the car hopper 1 are fixedly arranged on the peripheral side surface of the handle shaft 4;

when the shaft 4 is driven by an external force, the maximum expansion state of the shaft 4 is limited to be parallel to the top surface of the hopper 1 under the action of the limiting piece 13;

the front lower part of the car hopper 1 is rotationally connected with a supporting shaft 7, the surface of the supporting shaft 7 is fixedly provided with a front supporting frame 8, the cross section of the front supporting frame 8 is U-shaped, and the truckles 2 are arranged between the front supporting frame 8 and the rear supporting frame 3;

the peripheral side surface of the supporting shaft 7 is in transmission connection with the handle shaft 4 through two linkage mechanisms, and the castor 2 is unfolded and braked in a linkage way along with the front supporting frame 8;

the linkage mechanism comprises a shaft coupling 9 which is horizontally arranged and rotationally connected to the inside of the car hopper 1, a driving shaft 10 which is rotationally connected to the outside of the car hopper 1 and horizontally arranged, and a transmission bevel gear which is fixed at the end part of the handle shaft 4, wherein a driven bevel gear meshed with the transmission bevel gear is fixedly arranged at the tail end of the shaft coupling 9, the peripheral side surface of the shaft coupling 9 is in transmission connection with the driving shaft 10 through a belt, and the supporting shaft 7 is driven through the driving shaft 10;

differential bevel gears are fixedly arranged at the end parts of the supporting shafts 7, and driving bevel gears meshed with the differential bevel gears are fixedly arranged at the tail ends of the driving shafts 10;

a brake assembly is mounted on the rear of the drive shaft 10 which cooperates with the castor wheel 2.

The brake assembly comprises a transmission screw rod 11 fixed at the tail end of the driving shaft 10 and a brake block 12 in sliding connection with the car hopper 1, wherein the peripheral side surface of the transmission screw rod 11 is in transmission connection with the brake block 12, and one side of the brake block 12 opposite to the castor 2 is fixedly provided with friction lines.

This handcart is traditional construction with deciding bucket handcart, when hopper 1 is in non-use and non-atress state, under the effect of torsional spring 5, handle 6 is automatic with hopper 1 laminating, when handle 6 is with hopper 1 laminating, preceding strut 8 is driven by drive shaft 10 and shaft coupling 9 and expansion, when handle 6 is with hopper 1 laminating, preceding strut 8 expansion and with handle 6 parallel arrangement, preceding strut 8 expansion back, thereby effectively avoid hopper 1 taking place the tipping bucket phenomenon under the charge state, and because the storage state setting under the non-atress state of handle 6, handle 6 causes the damage to the user when can effectively avoiding hopper 1 to feed, simultaneously preceding strut 8 expansion back, brake shoe 12 carries out the autobrake to truckle 2, after hopper 1 feeding finishes or handle 6 is in the atress state, under the effect of spacing piece 13, after handle 6 and hopper 1's top surface parallel and level, preceding strut 8 automatic and hopper 1 laminating, thereby preceding strut 8 loses the effect, preceding strut 8 can lose the effect and the truckle 2 is lost to the quick-brake of the front strut 8, and the truckle is lost under the quick-brake shoe 2 is realized to the back of the front strut 8, and the truckle is kept away from the effect is lost after the quick-brake shoe 2.

All technical features in the embodiment can be freely combined according to actual needs.

The foregoing embodiments are preferred embodiments of the present utility model, and in addition, the present utility model may be implemented in other ways, and any obvious substitution is within the scope of the present utility model without departing from the concept of the present utility model.

Claims (6)

1. The utility model provides a building construction perk handcart, includes car hopper (1), truckle (2) are all installed to the both sides of car hopper (1), rear side fixed mounting of car hopper (1) has back strut (3), a serial communication port, the rear portion rotation of car hopper (1) is connected with handle (4), the fixed torsion spring (5) that are provided with in rotation junction of handle (4) and car hopper (1), the week side fixed mounting of handle (4) has handle (6), the front lower part rotation of car hopper (1) is connected with prop shaft (7), the fixed surface of prop shaft (7) installs preceding strut (8), prop shaft (7) week side pass through two link gear and handle (4) transmission connection, truckle (2) are followed preceding strut (8) and are expanded the linkage braking.

2. The tilting-prevention handcart for building construction according to claim 1, wherein the linkage mechanism comprises a shaft coupling (9) which is horizontally arranged and rotatably connected to the inside of the hopper (1), a driving shaft (10) which is rotatably connected to the outside of the hopper (1) and horizontally arranged, and a driving bevel gear fixed at the end part of the handle shaft (4), a driven bevel gear meshed with the driving bevel gear is fixedly arranged at the tail end of the shaft coupling (9), the peripheral side surface of the shaft coupling (9) is in transmission connection with the driving shaft (10) through a belt, the supporting shaft (7) is driven through the driving shaft (10), and a braking component matched with the castor (2) is arranged at the tail part of the driving shaft (10).

3. The building construction tilting-prevention handcart according to claim 2, wherein differential bevel gears are fixedly arranged at the end parts of the supporting shafts (7), and driving bevel gears meshed with the differential bevel gears are fixedly arranged at the tail ends of the driving shafts (10).

4. A building construction tilting prevention handcart according to claim 3, characterized in that the brake assembly comprises a transmission screw rod (11) fixed at the tail end of the driving shaft (10) and a brake block (12) in sliding connection with the hopper (1), the peripheral side surface of the transmission screw rod (11) is in transmission connection with the brake block (12), and a friction line is fixedly arranged on one side of the brake block (12) opposite to the caster wheel (2).

5. The building construction tilting-prevention handcart according to claim 1, wherein two limit pieces (13) which are symmetrically arranged and matched with the hopper (1) are fixedly arranged on the peripheral side surface of the handle shaft (4).

6. The building construction tilting prevention handcart according to claim 1, characterized in that the cross section of the front support (8) is U-shaped, and the caster wheels (2) are arranged between the front support (8) and the rear support (3).