Summary of the invention
Based on this, be necessary, for the carrying of ladder of the prior art and mobile lifting device and mobile inconvenience, the problem that cannot adapt to unfairness ground, to provide a kind of conveniently moving, structure simple and the mobile lifting device of self-adaptative adjustment balance.
A kind of mobile lifting device, comprises travel mechanism and lifting mechanism;
Described travel mechanism comprises:
Stay bearing plate, the side of described stay bearing plate is arranged at intervals with six the first motors, and the rotational axis vertical of described first motor is in described stay bearing plate;
Connecting portion, described connecting portion drives with the S. A. of described first motor and is connected, described connecting portion drives and is connected with the second motor, the rotational axis vertical of described second motor is in the S. A. of described first motor, described second motor is fixed with the 3rd motor, the S. A. of described 3rd motor is parallel to the S. A. of described second motor; And
Prop up pawl, described pawl drives with the S. A. of described 3rd motor and is connected;
Described lifting mechanism comprises: underframe, two fork-shaped articulation pieces, cylinder, foot rests,
Described underframe is detachably installed on described stay bearing plate, the two ends of each described fork-shaped articulation piece are articulated with on described underframe and described foot rest respectively, the other two ends of each described fork-shaped articulation piece respectively with described underframe and described foot rest sliding block joint, the described fork-shaped articulation piece of described air cylinder driven two is elevated to drive described foot rest.
Wherein in an embodiment, connecting portion comprises the first U-shaped part and the second U-shaped part;
The bottom of described first U-shaped part and the bottom of described second U-shaped part are fixedly installed, a sidewall of described first U-shaped part to the direction of another sidewall perpendicular to a sidewall of described second U-shaped part to the direction of another sidewall;
One sidewall of described first U-shaped part drives with the S. A. of described first motor and is connected, and its another sidewall rotates and is arranged on described stay bearing plate;
One sidewall of described second U-shaped part drives with the S. A. of described second motor and is connected, and its another sidewall rotates and is arranged on described second motor.
Wherein in an embodiment, also comprise stretcher, described stretcher is installed on described foot rest, and described stretcher is provided with multiple anti-slip part away from the surface of described foot rest.
Wherein in an embodiment, described anti-slip part is cruciform construction.
Wherein in an embodiment, described fork-shaped articulation piece comprises the first bar and the second bar, the middle part of described first bar and the middle part of described second bar are hinged, one end of described first bar and described second bar is articulated with on described underframe and described foot rest respectively, the other end of described first bar and described second bar respectively with described underframe and described foot rest sliding block joint;
The telescopic end of described cylinder and described first bar or described second bar hinged, the fixed end of described cylinder is articulated with on described underframe.
Wherein in an embodiment, also comprise pole, the two ends of described pole are connected on the first bar in two fork-shaped articulation pieces; Or
The two ends of described pole are connected on the second bar in two fork-shaped articulation pieces;
Telescopic end and the described pole of described cylinder are hinged.
Travel mechanism in above-mentioned mobile lifting device props up pawl by the first motor, the second motor and the 3rd driven by motor and moves, the lifting mechanism be detachably installed in travel mechanism is elevated to drive foot rest by air cylinder driven first fork-shaped articulation piece and the second fork-shaped articulation piece, makes mobile lifting device conveniently moving, structure simple and can balance by self-adaptative adjustment.In addition, stay bearing plate adopts doubling plate design, when ensure that bend resistance performance, significantly reduces stay bearing plate thickness.
Detailed description of the invention
Refer to Fig. 1, it is the lateral plan of the mobile lifting device of a preferred embodiment of the present invention.
Mobile lifting device comprises travel mechanism 10 and lifting mechanism 20.
See also Fig. 2, it is the constructional drawing of Tu1Zhong travel mechanism 10.Travel mechanism 10 comprises: stay bearing plate 110, connecting portion 120 and a pawl 130.The side of stay bearing plate 110 is arranged at intervals with the rotational axis vertical of six the first motor 140, first motors 140 in stay bearing plate 110.Connecting portion 120 drives with the S. A. of the first motor 140 and is connected, connecting portion 120 drives and is connected with the second motor 150, the S. A. 151 of the second motor 150 is perpendicular to the S. A. of the first motor 140, the S. A. 161 second motor 150 being fixed with the 3rd motor the 160, three motor 160 is parallel to the S. A. 151 of the second motor 150.Pawl 130 drives with the S. A. 161 of the 3rd motor 160 and is connected.
In order to alleviate the weight of stay bearing plate 110, can guarantee that again stay bearing plate 110 has preferably resistance to deformation intensity, as shown in Figure 3, it is the structural representation of stay bearing plate 110 in travel mechanism 10 shown in Fig. 2, stay bearing plate 110 comprises the first stay bearing plate 111 and the second stay bearing plate 112, the edge of the first stay bearing plate 111 and the second stay bearing plate 112 respectively extends six first connecting straps 113 and the second connecting straps 114, each first connecting strap 113 is intervally arranged in the edge of the first stay bearing plate 111, each second connecting strap 114 is intervally arranged in the edge of the second stay bearing plate 112, six the first connecting straps 113 on first stay bearing plate 111 also align mutually with six the second connecting strap 114 one_to_one corresponding on the second stay bearing plate 112.First stay bearing plate 111 and the second stay bearing plate 112 are connected by multiple spaced dividing plate 114, like this, cavity is formed between first stay bearing plate 111 and the second stay bearing plate 112, compared with integrated solid support plate, when not reducing stay bearing plate 110 thickness, significantly reduce the weight of stay bearing plate 110, make mobile lifting device conveniently moving, small electric can consume.And for example, the first stay bearing plate 111 and the second stay bearing plate 112 offer hole slot, like this when not affecting bending resistance folding endurance, alleviating the weight of the first stay bearing plate 111 and the second stay bearing plate 112, thus, alleviating the weight of stay bearing plate 110 further.
First connecting strap 113 and the second connecting strap 114 all offer mounting hole site (figure does not mark), between the first connecting strap 113 that first motor 140 is fixedly installed in alignment mutually and the second connecting strap 114, the S. A. of the first motor 140 wears the mounting hole site on the first connecting strap 113.
Concrete, refer to 4, it is the structural representation of connecting portion 120 shown in Fig. 2, connecting portion 120 comprises the first U-shaped part 121 and the second U-shaped part 122, the bottom 1211 of the first U-shaped part 121 and the bottom 1221 of the second U-shaped part 122 are fixedly installed, a sidewall 1212 of the first U-shaped part 121 to the direction of another sidewall 1213 perpendicular to a sidewall 1222 of the second U-shaped part 122 to the direction of another sidewall 1223.Concrete, a sidewall 1212 of the first U-shaped part 121 is direction A1 to another sidewall 1213, and a sidewall 1222 of the second U-shaped part 122 is direction A2 to another sidewall 1223, and direction A1 is perpendicular to direction A2.One sidewall 1212 of the first U-shaped part 121 drives with the S. A. of the first motor 140 and is connected, and another sidewall 1213 of the first U-shaped part 121 rotates and is arranged on stay bearing plate 110.One sidewall 1222 of the second U-shaped part 122 drives with the S. A. 151 of the second motor 150 and is connected, and opposite side 1223 wall of the second U-shaped part 122 rotates and is arranged on the second motor 150.
Please also refer to Fig. 5, it is the second motor 150 shown in Fig. 2, the lateral plan that connects between the 3rd motor 160 and pawl 130.The S. A. 161 second motor 150 being fixed with the 3rd motor the 160, three motor 160 is parallel to the S. A. 151 of the second motor 150.Pawl 130 drives with the S. A. 161 of the 3rd motor 160 and is connected.
Refer to Fig. 6, it is the birds-eye view of travel mechanism 10 shown in Fig. 2.Stability when moving to keep travel mechanism 10, in the present embodiment, first stay bearing plate 111 and the rectangular shape of the second stay bearing plate 112, be described for the first stay bearing plate 111, six the first connecting straps 113 lay respectively at four right angles of the first rectangular-shaped stay bearing plate 111 and the medium position of two relatively short sides, like this, six the first connecting straps 113 evenly and be symmetrically distributed in the edge of the first stay bearing plate 111, add stability when travel mechanism 10 moves and balance.
Please also refer to Fig. 5 and Fig. 7, Fig. 7 structural representation for shown in Fig. 2 pawl 130.Prop up the first side plate 131 and the second side plate 132 that pawl 130 comprises two parallel interval settings, one end of the first side plate 131 and the second side plate 132 is connected by head rod 133, the other end of first side plate 131 and the second side plate 132 is connected by V-arrangement part 134, the position of the other end of close first side plate 131 and the second side plate 132 is connected with two the second pipe links 135, V-arrangement part 134 is connected with two the second pipe links 135 by Y shape part 136, the middle part of the first side plate 131 and the second side plate 132 is connected by two the 3rd attaching partss 137, S. A. 161 driving of the 3rd motor 160 is connected on the first side plate 131 between head rod 133 and the 3rd attaching parts 137.The first side plate 131 be fixedly connected with side by side and the design of the second side plate 132, compared with propping up pawl with integrated entity, when not reducing pawl 130 intensity, significantly reduce the weight of a pawl 130, make mobile lifting device conveniently moving, small electric can consume.
Be appreciated that, electric energy is provided for giving each motor in travel mechanism 10, in the cavity formed between first stay bearing plate 111 and the second stay bearing plate 112, chargeable storage battery is installed, or voltage conversion circuit plate is installed in described cavity, and electric wire and plug is drawn from voltage conversion circuit plate, be convenient to plug to be plugged on outside socket, for each motor provides electric energy.
In order to the movement of Remote travel mechanism 10, wireless receiver and controller is also provided with in travel mechanism 10, described controller and each motor and described wireless receiver are electrically connected, described wireless receiver receives wireless control signal that external remote sends and exports described controller to, described controller responds speed and the angle that described wireless control signal controls each electric machine rotation, such as, described wireless control signal can be raised and dropping signal for making stay bearing plate 110, move ahead signal, skidding signal etc., thus realize the movement of Remote travel mechanism 10.
For the ease of using travel mechanism 10 at night, the edge around stay bearing plate 110 is provided with LED, and controls the master cock of LED light on and off, or LED is connected with described controller, is controlled the light on and off of LED by external remote.
In order to increase the ability of the self-adaptative adjustment balance of travel mechanism 10, especially when travel mechanism 10 is placed on irregular ground, stay bearing plate 110 is provided with weight sensor, weight sensor is by the degree of dip of perception stay bearing plate 110, output feedback signal gives described controller, the pawl 130 that described controller is corresponding according to the adjustment of this feedback signal, is tending towards level to make stay bearing plate 110.
See also Fig. 8, it is the structural representation of lifting mechanism 20 shown in Fig. 1.Wherein, lifting mechanism 20 comprises: underframe 210, first fork-shaped articulation piece 220, second fork-shaped articulation piece 230, cylinder 240, foot rest 250 and stretcher 260.
Underframe 210 is detachably installed on stay bearing plate 110, the two ends of the first fork-shaped articulation piece 220 and the second fork-shaped articulation piece 230 are articulated with on underframe 210 and foot rest 250 respectively, the other two ends of the first fork-shaped articulation piece 220 and the second fork-shaped articulation piece 230 respectively with underframe 210 and foot rest 250 sliding block joint, cylinder 240 drives the first fork-shaped articulation piece 220 and the second fork-shaped articulation piece 230 to be elevated to drive foot rest 250.Stretcher 260 is installed on foot rest 250, and stretcher 260 is provided with multiple anti-slip part 261 away from the surface of foot rest 250.The projection of anti-slip part 261 in cruciform construction, and for example, the projection of the tapered structure of anti-slip part 261.
Concrete, first fork-shaped articulation piece 220 comprises the first bar 221 and the second bar 222, the middle part of the first bar 221 and the middle part of the second bar 222 are hinged, one end of first bar 221 and the second bar 222 is articulated with on underframe 210 and foot rest 250 respectively, the other end of the first bar 221 and the second bar 222 respectively with underframe 210 and foot rest 250 sliding block joint; The telescopic end 241 of cylinder 240 and the first bar 221 or the second bar 222 hinged, the fixed end 242 of cylinder 240 is articulated with on underframe 210.
As a same reason, second fork-shaped articulation piece 230 comprises the first bar 231 and the second bar 232, the middle part of the first bar 231 and the middle part of the second bar 232 are hinged, one end of first bar 231 and the second bar 232 is articulated with on underframe 210 and foot rest 250 respectively, the other end of the first bar 231 and the second bar 232 respectively with underframe 210 and foot rest 250 sliding block joint; The telescopic end 241 of cylinder 240 and the first bar 231 or the second bar 232 hinged, the fixed end 242 of cylinder 240 is articulated with on underframe 210.
Lifting mechanism 20 also comprises pole 270, and the two ends of pole 270 to be connected in the first fork-shaped articulation piece 220 in first bar 221 and the second fork-shaped articulation piece 230 on first bar 231; Or the two ends of pole 270 to be connected in the first fork-shaped articulation piece 220 in second bar 222 and the second fork-shaped articulation piece 230 on second bar 232.The telescopic end 241 of cylinder 240 is hinged with the middle part of pole 270.
In order to the personnel standing on stretcher 260 conveniently can control rise and the decline of lifting mechanism 20, lifting mechanism 20 is provided with control unit and wireless transmitting unit, described control unit and described wireless transmitting unit and cylinder 240 are electrically connected, described wireless transmitting unit receives the wireless signal instruction that external remote sends, and send to described control unit, described control unit responds extension and the shortening of the telescopic end 241 of described wireless signal instruction control cylinder 240, thus realizes the rise or the decline that control foot rest 250 and stretcher 260.
In order to ensure that the personnel stood on lifting mechanism 20 drop from stretcher 260, stretcher 260 is provided with railing, and for example, stretcher 260 is provided with handrail, like this, the personnel stood on stretcher 260 grip described railing or handrail, avoid the personnel that cause that rock because of lifting mechanism 20 to drop from stretcher 260.
Travel mechanism 10 in above-mentioned mobile lifting device drives a pawl 130 to move by the first motor 140, second motor 150 and the 3rd motor 160, the lifting mechanism 20 be detachably installed in travel mechanism 10 drives the first fork-shaped articulation piece 220 and the second fork-shaped articulation piece 230 to be elevated to drive foot rest 250 by cylinder 240, makes mobile lifting device conveniently moving and can balance by self-adaptative adjustment.In addition, stay bearing plate 110 adopts doubling plate to design, and when ensure that bend resistance performance, significantly reduces stay bearing plate 110 thickness.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification sheets is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.