CN217838263U

CN217838263U - Mobile crane with automatic telescopic auxiliary wheel

Info

Publication number: CN217838263U
Application number: CN202222125748.7U
Authority: CN
Inventors: 杨佳丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-18
Anticipated expiration: 2032-08-08

Abstract

The utility model relates to the technical field of cranes, in particular to a mobile crane with an automatic telescopic auxiliary wheel, which comprises a base, a bearing platform, a connecting rod assembly and a driving piece; the connecting rod assembly is arranged between the base and the bearing platform; two ends of the driving piece are respectively hinged with the base and the bearing platform; the bottom of the base is provided with a movable wheel; the base is provided with a telescopic assembly; the connecting rod assembly is used for driving the telescopic assembly to stretch; the bottom of the telescopic assembly is provided with an auxiliary wheel. The utility model discloses a set up flexible subassembly and auxiliary wheel, along with the continuous rising of bearing platform, the auxiliary wheel also continuously outwards removes thereupon, and the stability of the auxiliary wheel reinforcing base of base both sides can prevent effectively that the portable crane from taking place to overturn and the condition of empting.

Description

Mobile crane with automatic telescopic auxiliary wheel

Technical Field

The utility model relates to a hoist technical field, concretely relates to mobile crane with automatic flexible auxiliary wheel.

Background

The lifting platform is a multifunctional hoisting, loading and unloading mechanical device and can be divided into a fixed type and a movable type. In the prior art, when too many articles are stacked on one side in the lifting platform, the phenomenon that the lifting platform is toppled is easily caused. In addition, the existing portable lifting crane is too large in size and weight, cannot lift and move simultaneously when bearing heavy objects, and can have the risks of overturning and dumping when bearing heavy objects and lifting and moving, so that the body or property of a user is damaged.

In the prior art, as for chinese patents with application numbers CN201911319294.3, CN201420306549.9 and CN202021866305.8, a mobile lifting platform is disclosed; as can be seen from the contents recorded in the three prior arts, two moving wheels are respectively arranged on two sides of the bottom of the lifting platform, so that the lifting platform is moved; and because the bottom of lift platform carries out the contact through removing wheel and ground for the area of contact of lift platform and wheel is less, when the heavy object on lift platform was placed in one side, lift platform was easy to have the risk of toppling to one side and toppling over this moment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned among the prior art not enough, provide a mobile crane with automatic flexible auxiliary wheel.

The purpose of the utility model is realized through the following technical scheme: a mobile crane with an automatic telescopic auxiliary wheel comprises a base, a bearing platform, a connecting rod assembly and a driving piece; the connecting rod assembly is arranged between the base and the bearing platform; two ends of the driving piece are respectively hinged with the base and the bearing platform;

the bottom of the base is provided with a movable wheel; the base is provided with a telescopic assembly; the connecting rod assembly is used for driving the telescopic assembly to stretch; the bottom of the telescopic assembly is provided with an auxiliary wheel.

The utility model is further provided with that the telescopic component comprises a first telescopic connecting rod and a second telescopic connecting rod; one end of the base is provided with a fixing piece; the other end of the base is provided with a sliding chute; a sliding part is arranged on the sliding groove in a sliding manner; one end of the first telescopic connecting rod is hinged with the fixing piece; one end of the second telescopic connecting rod is hinged with the sliding piece; the other end of the first telescopic connecting rod is hinged with the other end of the second telescopic connecting rod; the auxiliary wheel is arranged at the bottom of the first telescopic connecting rod or the second telescopic connecting rod.

The utility model is further arranged that a first fixed shaft is arranged between the fixed part and the base; the slider includes a hinge portion and a sliding portion; a second fixed shaft is arranged between the hinge part and the sliding part; the hinge part is hinged with one end of the second telescopic connecting rod; the sliding part is connected with the sliding groove in a sliding manner; the first fixed shaft and the second fixed shaft are respectively used for being rotationally connected with the connecting rod assembly.

The utility model is further arranged that the driving piece is an electric push rod; the electric push rod is hinged with the bottom of the bearing platform; the output end of the electric push rod is hinged with the other end of the base.

The utility model is further provided that the connecting rod component comprises a first lifting component and a second lifting component; one end of the first lifting assembly is hinged with the bearing platform; the other end of the first lifting component is hinged with one end of the second lifting component; the other end of the second lifting component is hinged with the base.

The utility model is further arranged in that the first lifting component comprises a first lifting connecting rod and a second lifting connecting rod; the second lifting assembly comprises a third lifting connecting rod and a fourth lifting connecting rod;

one end of the first lifting connecting rod is hinged with one end of the bearing platform; the other end of the first lifting connecting rod is hinged with one end of a third lifting connecting rod; the other end of the third lifting connecting rod is hinged with one end of the base;

one end of the second lifting connecting rod is hinged with the other end of the bearing platform; the other end of the second lifting connecting rod is hinged with one end of a fourth lifting connecting rod; the other end of the fourth lifting connecting rod is hinged with the other end of the base;

the middle part of the first lifting connecting rod is hinged with the middle part of the second lifting connecting rod; the middle part of the third lifting connecting rod is hinged with the middle part of the fourth lifting connecting rod.

The utility model is further arranged that the number of the telescopic components and the number of the auxiliary wheels are two; two telescopic assemblies and two auxiliary wheels are respectively arranged on two sides of the base.

The utility model is further arranged that the mobile crane with the automatic telescopic auxiliary wheel also comprises a wireless module; the wireless module is electrically connected with the driving piece.

The utility model is further arranged in that the bearing platform comprises a bottom plate, a middle plate and a top plate which are arranged in sequence; the periphery of the top plate extends downwards to form blocking pieces; the blocking piece is provided with a riveting hole; the bottom of the bottom plate is provided with a placing box; the wireless module is arranged in the placing box.

The utility model has the advantages that: the utility model discloses a set up flexible subassembly and auxiliary wheel, along with the constantly rising of bearing platform, the auxiliary wheel also constantly outwards removes thereupon, and the stability of the auxiliary wheel reinforcing base of base both sides can prevent effectively that the travelling crane from taking place to overturn and the condition of empting.

Drawings

The invention is further described with the aid of the accompanying drawings, in which the embodiments do not constitute any limitation to the invention, and for a person skilled in the art, without inventive step, other figures can be derived from the following figures.

Fig. 1 is a schematic structural view of the utility model with the bearing platform completely raised;

FIG. 2 is a schematic view of the lifting structure of the bearing platform of the present invention;

FIG. 3 is a schematic view of the structure of the bearing platform before lifting

FIG. 4 is a side view of the load bearing platform of the present invention fully raised;

fig. 5 is a schematic structural view of the hidden bearing table and the connecting rod assembly of the present invention;

fig. 6 is a schematic structural view of the bearing table of the present invention;

fig. 7 is an exploded view of the bearing table of the present invention;

wherein: 1. a base; 11. a moving wheel; 12. a chute; 2. a bearing table; 3. a drive member; 4. an auxiliary wheel; 41. a first telescopic link; 42. a second telescopic link; 5. a fixing member; 51. a first fixed shaft; 6. a slider; 61. a hinge portion; 62. a sliding part; 63. a second fixed shaft; 71. a first lifting connecting rod; 72. a second lifting connecting rod; 73. a third lifting connecting rod; 74. a fourth lifting connecting rod; 81. a base plate; 82. a middle plate; 83. a top plate; 84. a baffle plate; 85. riveting holes; 9. and (4) placing the box.

Detailed Description

The invention will be further described with reference to the following examples.

As shown in fig. 1 and 7, the mobile crane with the automatic retractable auxiliary wheel 4 according to the embodiment includes a base 1, a bearing platform 2, a connecting rod assembly and a driving member 3; the connecting rod assembly is arranged between the base 1 and the bearing platform 2; two ends of the driving piece 3 are respectively hinged with the base 1 and the bearing platform 2;

the bottom of the base 1 is provided with a moving wheel 11; the base 1 is provided with a telescopic assembly; the connecting rod assembly is used for driving the telescopic assembly to stretch; the bottom of the telescopic assembly is provided with an auxiliary wheel 4.

Specifically, when the mobile crane with the automatic retractable auxiliary wheel 4 according to this embodiment is completely retracted, as shown in the state shown in fig. 3, the auxiliary wheel 4 is located at a position close to the base 1, so that the crane is prevented from occupying too much space, and is convenient to fold and store; when the driving part 3 starts to work, the driving part 3 is matched with the connecting rod assembly to lift the bearing platform 2, the state shown in fig. 2 is the state that the bearing platform 2 is lifted by a half position, the connecting rod assembly drives the auxiliary wheel 4 to move outwards through the telescopic assembly, the auxiliary wheel 4 also continuously moves outwards along with the continuous rising of the bearing platform 2, the auxiliary wheels 4 on the two sides of the base 1 enhance the stability of the base 1, and the conditions of overturning and dumping of the mobile crane can be effectively prevented.

In the mobile crane with the automatic telescopic auxiliary wheel 4 according to the embodiment, the telescopic assembly includes a first telescopic connecting rod 41 and a second telescopic connecting rod 42; one end of the base 1 is provided with a fixing part 5; the other end of the base 1 is provided with a chute 12; a sliding part 6 is arranged on the sliding groove 12 in a sliding manner; one end of the first telescopic connecting rod 41 is hinged with the fixing piece 5; one end of the second telescopic connecting rod 42 is hinged with the sliding piece 6; the other end of the first telescopic connecting rod 41 is hinged with the other end of the second telescopic connecting rod 42; the auxiliary wheel 4 is provided at the bottom of the first telescopic link 41 or the second telescopic link 42. In the mobile crane with the automatic telescopic auxiliary wheel 4 according to this embodiment, a first fixed shaft 51 is arranged between the fixed member 5 and the base 1; the slider 6 includes a hinge portion 61 and a slide portion 62; a second fixed shaft 63 is arranged between the hinge part 61 and the sliding part 62; the hinge portion 61 is hinged to the one end of the second telescopic link 42; the sliding part 62 is connected with the sliding chute 12 in a sliding way; the first fixed shaft 51 and the second fixed shaft 63 are respectively used for being rotationally connected with the connecting rod assembly. Specifically, the other end of the third lifting link 73 is rotatably provided on the first fixed shaft 51, and the other end of the fourth lifting link 74 is rotatably provided on the second fixed shaft 63.

Specifically, in the mobile crane with the automatically retractable auxiliary wheel 4 according to the embodiment, as shown in fig. 3, in this state, the auxiliary wheel 4 is located at a position close to the base 1, the sliding portion 62 is located at the rightmost end of the chute 12, and the included angle between the first retractable connecting rod 41 and the second retractable connecting rod 42 is the largest, so that the auxiliary wheel 4 is located at a position close to the base 1, and the crane is prevented from occupying too much space and is convenient to fold and store;

when the bearing platform 2 begins to rise, the connecting rod assembly drives the sliding part 6 to move leftwards along the sliding groove 12, so that the included angle between the first telescopic connecting rod 41 and the second telescopic connecting rod 42 is gradually reduced, the auxiliary wheels 4 continuously move outwards along with the included angle, the stability of the base 1 is enhanced by the auxiliary wheels 4 on the two sides of the base 1, and the situation that the mobile crane overturns and topples over can be effectively prevented.

In the mobile crane with the automatic telescopic auxiliary wheel 4 according to this embodiment, the driving member 3 is an electric push rod; the electric push rod is hinged with the bottom of the bearing platform 2; the output end of the electric push rod is hinged with the other end of the base 1.

Specifically, through the arrangement, the lifting operation of the mobile crane can be realized through the extension and retraction of the electric push rod.

In the mobile crane with the automatic telescopic auxiliary wheel 4 according to this embodiment, the connecting rod assembly includes a first lifting assembly and a second lifting assembly; one end of the first lifting assembly is hinged with the bearing table 2; the other end of the first lifting component is hinged with one end of the second lifting component; the other end of the second lifting component is hinged with the base 1.

In the mobile crane with the automatic retractable auxiliary wheel 4 according to this embodiment, the first lifting assembly includes a first lifting connecting rod 71 and a second lifting connecting rod 72; the second lifting assembly comprises a third lifting link 73 and a fourth lifting link 74;

one end of the first lifting connecting rod 71 is hinged with one end of the bearing platform 2; the other end of the first lifting connecting rod 71 is hinged with one end of a third lifting connecting rod 73; the other end of the third lifting connecting rod 73 is hinged with one end of the base 1;

one end of the second lifting connecting rod 72 is hinged with the other end of the bearing platform 2; the other end of the second lifting connecting rod 72 is hinged with one end of a fourth lifting connecting rod 74; the other end of the fourth lifting connecting rod 74 is hinged with the other end of the base 1;

the middle part of the first lifting connecting rod 71 is hinged with the middle part of the second lifting connecting rod 72; the middle part of the third lifting link 73 is hinged with the middle part of the fourth lifting link 74.

Specifically, when the electric push rod extends and retracts, the load-bearing platform 2 and the base 1 are linked through the first lifting connecting rod 71, the second lifting connecting rod 72, the third lifting connecting rod 73 and the fourth lifting connecting rod 74, so that the first lifting connecting rod 71 is hinged to the second lifting connecting rod 72, the third lifting connecting rod 73 is hinged to the fourth lifting connecting rod 74, and the load-bearing platform 2 is lifted and lowered.

In the mobile crane with the automatic telescopic auxiliary wheels 4 of the embodiment, the number of the telescopic assemblies and the number of the auxiliary wheels 4 are two; two telescopic assemblies and two auxiliary wheels 4 are respectively arranged at two sides of the base 1. Through the arrangement, the mobile crane is stable in structure and can be prevented from overturning and dumping.

The mobile crane with the automatic telescopic auxiliary wheel 4 of the embodiment further comprises a wireless module; the wireless module is electrically connected with the driving part 3. Through the arrangement, a user can remotely control the crane to lift through the remote controller.

In the mobile crane with the automatic telescopic auxiliary wheel 4 according to this embodiment, the bearing platform 2 includes a bottom plate 81, a middle plate 82 and a top plate 83, which are sequentially arranged; baffle plates 84 extend downwards around the top plate 83; the baffle piece 84 is provided with a riveting hole 85; the bottom of the bottom plate 81 is provided with a placing box 9; the wireless module is arranged in the placing box 9. Through the setting, the wireless module can be conveniently placed, and meanwhile, the top plate 83 fixes the middle plate 82 and the top plate 81 on the connecting rod assembly through the riveting hole 85 and the rivet, so that the wireless module can be conveniently dismounted and mounted.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a mobile crane with automatic flexible auxiliary wheel which characterized in that: comprises a base (1), a bearing platform (2), a connecting rod component and a driving piece (3); the connecting rod assembly is arranged between the base (1) and the bearing platform (2); two ends of the driving piece (3) are respectively hinged with the base (1) and the bearing platform (2);

the bottom of the base (1) is provided with a movable wheel (11); the base (1) is provided with a telescopic component; the connecting rod assembly is used for driving the telescopic assembly to stretch; the bottom of the telescopic component is provided with an auxiliary wheel (4).

2. A mobile lift crane with automatically retractable auxiliary wheels as claimed in claim 1, wherein: the telescopic assembly comprises a first telescopic connecting rod (41) and a second telescopic connecting rod (42); one end of the base (1) is provided with a fixing piece (5); the other end of the base (1) is provided with a sliding chute (12); a sliding part (6) is arranged on the sliding groove (12) in a sliding way; one end of the first telescopic connecting rod (41) is hinged with the fixing piece (5); one end of the second telescopic connecting rod (42) is hinged with the sliding piece (6); the other end of the first telescopic connecting rod (41) is hinged with the other end of the second telescopic connecting rod (42); the auxiliary wheel (4) is arranged at the bottom of the first telescopic connecting rod (41) or the second telescopic connecting rod (42).

3. A mobile lift crane with automatically extending and retracting auxiliary wheels according to claim 2, wherein: a first fixed shaft (51) is arranged between the fixed piece (5) and the base (1); the slider (6) comprises a hinge portion (61) and a sliding portion (62); a second fixed shaft (63) is arranged between the hinge part (61) and the sliding part (62); the hinge (61) is hinged to the end of the second telescopic link (42); the sliding part (62) is connected with the sliding groove (12) in a sliding way; the first fixed shaft (51) and the second fixed shaft (63) are respectively used for being in rotary connection with the connecting rod assembly.

4. A mobile lift crane with automatically extending and retracting auxiliary wheels according to claim 1, wherein: the driving piece (3) is an electric push rod; the electric push rod is hinged with the bottom of the bearing table (2); the output end of the electric push rod is hinged with the other end of the base (1).

5. A mobile lift crane with automatically retractable auxiliary wheels as claimed in claim 1, wherein: the connecting rod assembly comprises a first lifting assembly and a second lifting assembly; one end of the first lifting assembly is hinged with the bearing table (2); the other end of the first lifting component is hinged with one end of the second lifting component; the other end of the second lifting component is hinged with the base (1).

6. A mobile lift crane with automatically retractable auxiliary wheels as claimed in claim 5, wherein: the first lifting assembly comprises a first lifting connecting rod (71) and a second lifting connecting rod (72); the second lifting assembly comprises a third lifting connecting rod (73) and a fourth lifting connecting rod (74);

one end of the first lifting connecting rod (71) is hinged with one end of the bearing platform (2); the other end of the first lifting connecting rod (71) is hinged with one end of a third lifting connecting rod (73); the other end of the third lifting connecting rod (73) is hinged with one end of the base (1);

one end of the second lifting connecting rod (72) is hinged with the other end of the bearing platform (2); the other end of the second lifting connecting rod (72) is hinged with one end of a fourth lifting connecting rod (74); the other end of the fourth lifting connecting rod (74) is hinged with the other end of the base (1);

the middle part of the first lifting connecting rod (71) is hinged with the middle part of the second lifting connecting rod (72); the middle part of the third lifting connecting rod (73) is hinged with the middle part of the fourth lifting connecting rod (74).

7. A mobile lift crane with automatically retractable auxiliary wheels as claimed in claim 1, wherein: the number of the telescopic assemblies and the number of the auxiliary wheels (4) are two; two telescopic assemblies and two auxiliary wheels (4) are respectively arranged at two sides of the base (1).

8. A mobile lift crane with automatically retractable auxiliary wheels as claimed in claim 1, wherein: the mobile crane with the automatic telescopic auxiliary wheel also comprises a wireless module; the wireless module is electrically connected with the driving piece (3).

9. A mobile lift crane with automatically retractable auxiliary wheels as claimed in claim 8, wherein: the bearing table (2) comprises a bottom plate (81), a middle plate (82) and a top plate (83) which are arranged in sequence; the periphery of the top plate (83) extends downwards to form blocking pieces (84); the blocking piece (84) is provided with a riveting hole (85); a placing box (9) is arranged at the bottom of the bottom plate (81); the wireless module is arranged in the placing box (9).