CN218371270U

CN218371270U - Portable curbstone lifts by crane conveyer

Info

Publication number: CN218371270U
Application number: CN202222334010.1U
Authority: CN
Inventors: 张英臣; 李雪琴
Original assignee: China Construction Seventh Engineering Division Corp Ltd
Current assignee: China Construction Seventh Engineering Division Corp Ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2023-01-24
Anticipated expiration: 2032-09-02

Abstract

The utility model discloses a portable road edge stone hoisting and transporting device, which comprises a trolley and a hoisting and clamping mechanism arranged at the front end of the trolley, wherein the hoisting and clamping mechanism comprises a main clamping arm and a secondary clamping arm which are oppositely arranged, clamping pieces are arranged on the main clamping arm and the secondary clamping arm, one end of the secondary clamping arm, which is close to the clamping piece, is hinged with the main clamping arm, and the other end is connected with the trolley; and the main clamping arm is provided with a limiting part for limiting the secondary clamping arm. The utility model can rotate around the hinge point of the secondary clamping arm and the main clamping arm through the secondary clamping arm, so that the clamping pieces of the primary and secondary clamping arms are close to the recent clamping piece for clamping the curb stone, and the lever structure is formed through the secondary clamping arm, so that the pulling force of the curb stone on the suspension clamping mechanism is converted into the larger clamping force of the clamping pieces, thereby achieving the purpose of clamping; the main clamping arm is provided with a limiting part for limiting the secondary clamping arm, and the part of the tension applied to the secondary clamping arm by the trolley is transmitted to the main clamping arm through the limiting part, so that the clamping force on the main clamping arm is increased; and the limiting part prevents the secondary clamping arm from being unbalanced due to overlarge rotation angle relative to the main clamping arm.

Description

Portable curbstone lifts by crane conveyer

Technical Field

The utility model relates to a construction technical field especially indicates a portable curbstone lifts by crane conveyer.

Background

During road political engineering construction, road edge stones need to be installed on the edges of the motor vehicle lane, the non-motor vehicle lane, the sidewalk and the central green belt. The road edge stone is a boundary line for distinguishing a traffic lane, a sidewalk, a green land, an isolation strip and other parts of a road on the road surface, and plays a role in guaranteeing the traffic safety of pedestrians and vehicles and ensuring the edge of the road surface to be neat. The curb stones are generally divided into two types, i.e., concrete curb stones and stone curb stones, according to the difference of materials. The construction of the curbstones determines the progress and quality of the road construction. Because the curbstone has certain volume and weight, the curbstone is inconvenient to transport when the site operation. The edges and corners are easy to be knocked off in manual transportation, in addition, the position is difficult to adjust in the placing process, multiple times of adjustment is possibly needed, and dislocation is easily caused to influence subsequent plastering; in addition, potential safety hazards are easily caused by manual carrying of the road edge stones, the weight is too large, the construction inner surface is uneven, sundries are more, and the manual carrying is easily injured; moreover, the efficiency is extremely low due to manual carrying and placement; if the material is transported by a hoisting machine, the cost is large.

Disclosure of Invention

To not enough among the above-mentioned background art, the utility model provides a portable curbstone lifts by crane conveyer has solved the problem of the not transport of being convenient for of the curbstone among the prior art at the job site.

The technical scheme of the utility model is realized like this:

a portable road edge stone hoisting and transporting device comprises a trolley and a hoisting and clamping mechanism arranged at the front end of the trolley, wherein the hoisting and clamping mechanism comprises a main clamping arm and a secondary clamping arm which are oppositely arranged, clamping pieces are arranged on the main clamping arm and the secondary clamping arm, one end of the secondary clamping arm, which is close to the clamping piece, is hinged with the main clamping arm, and the other end of the secondary clamping arm is connected with the trolley; and the main clamping arm is provided with a limiting part for limiting the secondary clamping arm.

Further, the locating part is the type of falling U body of rod, and the secondary arm lock passes the U type space of the type of falling U body of rod.

Furthermore, the limiting part is arranged close to the connection point of the secondary clamping arm and the trolley.

Furthermore, the secondary clamping arm is detachably connected with the trolley through a flexible connecting piece.

Furthermore, the flexible connecting piece comprises a U-shaped connecting piece and a buckle, wherein the U-shaped connecting piece and the buckle are detachably connected with the trolley, and the U-shaped connecting piece is connected with the secondary clamping arm through the buckle.

Furthermore, the trolley comprises a cross rod connected between wheels, a front support arm and a push rod are connected to the cross rod, the front support arm and the push rod are respectively arranged towards the front side and the rear side in an inclined mode, and a suspension arm is connected between the front support arm and the push rod.

Furthermore, the suspension arm comprises a fixed main arm and a telescopic arm which is telescopically connected to the front end of the fixed main arm; a locking piece is arranged between the fixed main arm and the telescopic arm.

Further, the fixed main arm is connected between the front supporting arm and the push rod; the secondary clamping arm is connected to the front end of the telescopic arm.

Furthermore, one end of the front support arm is hinged with the cross rod, and the other end of the front support arm is detachably connected with the fixed main arm; one end of the fixed main arm is hinged with the push rod, the other end of the fixed main arm is provided with a sleeve which is sleeved at the upper end of the secondary clamping arm, and the sleeve is detachably connected with the upper end of the secondary clamping arm.

Furthermore, a force application pedal is arranged at the rear end of the push rod.

Furthermore, the upper end of the push rod is provided with a telescopic push handle.

The utility model has the advantages that: the utility model can rotate around the hinge point of the secondary clamping arm and the main clamping arm through the secondary clamping arm, so that the clamping pieces of the primary and secondary clamping arms are close to the recent clamping piece to clamp the curbstone; a lever structure is formed by the secondary clamping arm, so that the tensile force of the curbstone on the suspension clamping mechanism is converted into a larger clamping force of the clamping piece, and the purpose of clamping is achieved; the main clamping arm is provided with a limiting part for limiting the secondary clamping arm, so that the part of the tension applied to the secondary clamping arm by the trolley is transmitted to the main clamping arm through the limiting part, the clamping force on the main clamping arm is increased, and the limiting part prevents the secondary clamping arm from being unbalanced due to overlarge rotation angle relative to the main clamping arm; the suspension arm and the front support arm are hinged with the push rod, and the suspension arm and the front support arm are detachably connected, so that the suspension arm and the front support arm can be folded towards the push rod, and the purpose of folding the trolley is achieved.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort.

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

FIG. 2 is a schematic side view of the present invention;

fig. 3 is a schematic structural view of the suspension clamp mechanism of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1-3, embodiment 1 a portable curbstone lifts by crane conveyer, including dolly and the suspension clamp mechanism of setting at the dolly front end, the suspension clamp mechanism is including relative main arm lock 1 and the inferior arm lock 2 that sets up, and one that main arm lock 1 and inferior arm lock 2 kept away from is served and all is equipped with the clamping piece. The length of the main clamping arm 1 is close to that of a clamping space between clamping pieces of the main clamping arm and the secondary clamping arm, namely the length of the main clamping arm 1 is close to that of a curb. The lower end of the secondary clamping arm 2 is hinged with the main clamping arm 1, and the upper end of the secondary clamping arm 2 is connected with the trolley, so that the secondary clamping arm 2 forms a lever structure, and the tensile force generated by the curbstone on the suspension clamping mechanism is converted into the clamping force of the clamping piece; and the hinged connection point of the secondary clamping arm 2 and the main clamping arm 1 is close to one end of the clamping piece of the secondary clamping arm 2, so that the force applying arm is far larger than the resistance arm, and the purpose of clamping is achieved. The main part of the secondary clamping arm 2 extends to the upper part of the main clamping arm 1 and forms an acute included angle with the main clamping arm 1. The secondary clamping arm 2 can rotate around the hinge point of the secondary clamping arm 2 and the main clamping arm 1, so that the clamping pieces of the primary and secondary clamping arms are close to each other to clamp a curbstone. And the middle part of the main clamping arm 1 is provided with a limiting part 3 for limiting the secondary clamping arm 2, the tension part given to the secondary clamping arm 2 by the trolley is transmitted to the main clamping arm 1 through the limiting part 3, the balance of the suspension clamp mechanism is convenient to keep, and the limiting part 3 prevents the secondary clamping arm 2 from being unbalanced due to overlarge rotating angle relative to the main clamping arm 1. And this locating part 3 is close to the tie point setting of secondary arm lock 2 and dolly, increases locating part 3 and to the spacing effort of exerting of secondary arm lock 2 to do benefit to and keep the balance between main arm lock 1 and the secondary arm lock 2.

Further, locating part 3 is the type of falling U body of rod, and time arm lock 2 passes the U type space of the type of falling U body of rod, through the spacing time arm lock 2 in bottom of the type of falling U body of rod.

Embodiment 2, which is different from embodiment 1 in that, as shown in fig. 1, the cart includes wheels and a cross bar 4 connected between the wheels, and the wheels are rotatably connected to the cross bar 4. The cross rod 4 is connected with a push rod 5 which is arranged obliquely backwards, the cross rod 4 is further connected with a front support arm 6 which is arranged obliquely forwards, and an included angle is formed between the front support arm 6 and the projection of the push rod 5 in the vertical plane. A suspension arm 7 is connected between the front support arm 6 and the push rod 5.

Embodiment 3, which is different from embodiment 2 in that, as shown in fig. 1, the boom 7 includes a fixed main arm 71 and a telescopic arm 72 telescopically coupled to a front end of the fixed main arm 71; the fixed main arm 71 is connected between the front support arm 6 and the push rod 5; a locking member is provided between the fixed main arm 71 and the telescopic arm 72. In this embodiment, the telescopic arm 72 is a square rod, the fixed main arm 71 is a hollow square tube and is sleeved outside the telescopic arm 72, the fixed main arm 71 and the telescopic arm 72 are respectively provided with a plurality of corresponding through holes, the locking member is a bolt, and the bolt passes through the through holes on the fixed main arm 71 and the telescopic arm 72 to lock and connect the fixed main arm 71 and the telescopic arm 72. The secondary arm 2 is connected to the front end of the telescopic arm 72.

Embodiment 4 is different from embodiment 3 in that a force application pedal 8 is provided at the rear end of the push rod 5 as shown in fig. 1. When the road edge stone is clamped, the rear end of the push rod 5 is pushed upwards to enable the hanging and clamping mechanism to move downwards, and after the hanging and clamping mechanism clamps the road edge stone, the force assisting the push rod 5 is given by the foot treading force application pedal 8, so that the rear end of the push rod 5 can press down and lift the road edge stone. Furthermore, the force application foot rest 8 can be connected in an articulated manner to the push rod 5. A limiting block is arranged on the push rod 5 and positioned on the lower side of the force application pedal 8 to prevent the force application pedal 8 from rotating downwards.

Embodiment 5, which differs from embodiment 3 in that the secondary arms 2 are detachably connected to the boom 7 of the trolley by means of flexible connections, as shown in figure 3. Specifically, the flexible connector comprises a U-shaped connector 10 and a buckle 11 which are detachably connected with the suspension arm 7 of the trolley, the U-shaped connector 10 can be clamped on the telescopic arm 72, and the U-shaped connector 10 and the telescopic arm 72 can be connected through the U-shaped connector 10 and the telescopic arm 72 through bolts. The lower side of the U-shaped connecting piece 10 is connected with the secondary clamping arm 2 through a ring buckle 11. The flexible connecting piece is used for avoiding the balance of the suspension clamp mechanism from being damaged in the hoisting process.

Embodiment 6, which is different from embodiment 3 in that, as shown in fig. 1, one end of the front support arm 6 is hinged to the cross bar 4, and the other end is detachably connected to the fixed main arm 71; one end of the fixed main arm 71 is hinged to the push rod 5, the other end of the fixed main arm is provided with a sleeve which is sleeved at the upper end of the secondary clamping arm 2, and the sleeve and the upper end of the secondary clamping arm 2 are detachably connected by penetrating through a bolt. By removing the bolt, the suspension arm 7 and the front support arm 6 can be folded towards the push rod 5, thereby achieving the purpose of folding the trolley.

Embodiment 7 is different from embodiment 6 in that, as shown in fig. 1, the upper end of the push rod 5 is provided with a telescopic push handle 9, which facilitates lengthening of a lever formed by the push handle and the push rod 5, thereby improving the lifting force.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a portable curbstone lifts by crane conveyer which characterized in that: the trolley comprises a trolley and a suspension clamp mechanism arranged at the front end of the trolley, wherein the suspension clamp mechanism comprises a main clamp arm (1) and a secondary clamp arm (2) which are oppositely arranged, clamping pieces are arranged on the main clamp arm (1) and the secondary clamp arm (2), one end of the secondary clamp arm (2), which is close to the clamping piece, is hinged with the main clamp arm (1), and the other end of the secondary clamp arm is connected with the trolley; and the main clamping arm (1) is provided with a limiting part (3) for limiting the secondary clamping arm (2).

2. The portable kerbstone lifting transport device of claim 1, wherein: the limiting part (3) is an inverted U-shaped rod body, and the secondary clamping arm (2) penetrates through the U-shaped space of the inverted U-shaped rod body.

3. The portable road edge stone hoisting and transporting device according to claim 1 or 2, characterized in that: the secondary clamping arm (2) is detachably connected with the trolley through a flexible connecting piece.

4. The portable kerbstone lifting transport device of claim 3, wherein: the flexible connecting piece comprises a U-shaped connecting piece (10) and a ring buckle (11), wherein the U-shaped connecting piece is detachably connected with the trolley, and the U-shaped connecting piece (10) is connected with the secondary clamping arm (2) through the ring buckle (11).

5. The portable curbstone lifting transport device of claim 1, or 2, or 4, wherein: the trolley comprises a cross rod (4) connected between wheels, a front support arm (6) and a push rod (5) which are obliquely arranged towards the front side and the rear side are connected to the cross rod (4), and a suspension arm (7) is connected between the front support arm (6) and the push rod (5).

6. The portable kerbstone lifting transport device of claim 5, wherein: the suspension arm (7) comprises a fixed main arm (71) and a telescopic arm (72) which is telescopically connected to the front end of the fixed main arm (71); a locking piece is arranged between the fixed main arm (71) and the telescopic arm (72); the fixed main arm (71) is connected between the front support arm (6) and the push rod (5); the secondary clamping arm (2) is connected to the front end of the telescopic arm (72).

7. The portable kerbstone lifting transport device of claim 6, wherein: one end of the front supporting arm (6) is hinged with the cross rod (4), and the other end of the front supporting arm is detachably connected with the fixed main arm (71).

8. The portable curbstone hoisting and transporting device of claim 7, wherein: one end of the fixed main arm (71) is hinged with the push rod (5), the other end of the fixed main arm is provided with a sleeve which is sleeved at the upper end of the secondary clamping arm (2), and the sleeve is detachably connected with the upper end of the secondary clamping arm (2).

9. The portable kerb lifting and transporting device of claim 6, 7 or 8, wherein: the rear end of the push rod (5) is provided with a force application pedal (8).

10. The portable kerbstone lifting transport device of claim 9, wherein: the upper end of the push rod (5) is provided with a telescopic push handle (9).