TWI488798B - Vehicle lift transmission mechanism and vehicle lift comprising the same - Google Patents

Description

Top car drive mechanism and top car machine including the same

The present invention relates to a jacking machine, and more particularly to a jacking machine for lifting a vehicle.

The top car is mainly used to raise the height of steam, locomotive and other vehicles, and it is convenient for the technician to repair the vehicle. There is a type of top car comprising a plurality of guide columns (double or four columns), a lifting platform and a transmission mechanism, the transmission mechanism mainly comprises A hydraulic cylinder, a plurality of pulleys and a plurality of steel cables, the steel cables are arranged around the pulleys, and the hydraulic cylinders are used for pushing and pulling the steel cables, so that the steel cables drive the lifting platform to lift and lower.

However, the steel cable is woven by a metal wire in a spiral manner. Therefore, when the steel cable is wound around the pulley, the structure outside the bending portion is relatively easy to be deformed or even broken, and the larger the angle of bending of the steel cable, the more severe the fracture degree is. In particular, the damage of the cable directly connected to the hydraulic cylinder is usually the most serious, and the breakage of the cable will cause the lifting platform to fall rapidly, causing the technician under the lifting platform to be injured, and Vehicles on the lift will also be damaged.

Moreover, the inner side of the cable tends to be constantly rubbed against the pulley, which may also cause the cable to wear or even break, and the cable that is directly connected to the hydraulic cylinder is most damaged.

The main object of the present invention is to provide a jacking machine transmission mechanism, in part The chain is replaced to enhance the safety of use of the present invention.

The main object of the present invention is to provide a top car with good safety.

In order to achieve the above object, the top drive mechanism of the present invention is provided for a top car, the top machine includes a first guide post, a second guide post and a lifting platform, and the top drive mechanism includes a driving device, a first guide wheel, a first chain, a first cable and a second cable.

The driving device is disposed on the lifting platform; the first guiding wheel is rotatably disposed on the lifting platform; the first chain is movably disposed around the first guiding wheel, and the first chain includes a first end And a second end, the first end of the first chain is connected to the driving device; the first cable includes a first end and a second end, and the first end of the first cable is connected to the first chain The second end of the first cable is disposed on the first guide post; the second cable includes a first end and a second end, and the first end of the second cable is connected to the driving device. The second end of the second cable is disposed on the second guide post; wherein the driving device is configured to drive the first end of the first chain and the first end of the second cable to move in a first direction or Moving in a reverse direction of the first direction, the second end of the first chain is moved in the opposite direction of the first direction by the first cable or moved in the first direction, so that the lifting platform is along the first and second The guide column moves up and down.

In order to achieve the above object, the top driving machine of the present invention comprises a first guiding column, a second guiding column, an lifting platform and the above-mentioned top driving mechanism, wherein the driving device is disposed on the lifting platform, and the first guiding wheel is Rotatingly disposed on the lifting platform, the first chain is movably disposed on the first guiding wheel, the first chain includes a first end and a second end, and the first end of the first chain is connected to the first chain a driving device, the first cable includes a first end and a second end, and the first end of the first cable is connected to a second end of the first chain, the second end of the first cable is disposed on the first guide post, the second cable includes a first end and a second end, and the first end of the second cable is connected to In the driving device, the second end of the second cable is disposed on the second guiding post.

Therefore, the cable that is originally wound around the first guide wheel is replaced by the first chain in the present invention, and the deformation effect and structural strength of the chain are superior to those of the steel cable, and are more wear-resistant than the steel cable, and when turning at a large angle, There is no problem of deformation and fracture on the outside of the bend, and the inside is not damaged or even broken due to constant friction, and the safety is very prominent.

11‧‧‧First guide column

12‧‧‧Second Pillar

13‧‧‧The third guide column

14‧‧‧fourth guide column

15‧‧‧ Lifting table

151‧‧‧Slide

21‧‧‧Sliding parts

211‧‧‧ openings

22‧‧‧ Drives

221‧‧‧Flexible parts

30‧‧‧First guide wheel

31‧‧‧Second guide wheel

40‧‧‧First chain

401, 411‧‧‧ first end

402, 412‧‧‧ second end

41‧‧‧Second chain

50, 50'‧‧‧ first pulley

51, 51'‧‧‧second pulley

60‧‧‧First cable

61‧‧‧Second cable

62‧‧‧ Third cable

63‧‧‧4th cable

1 is a perspective view of a top machine of the present invention.

Figure 2 is a schematic view of the transmission mechanism of the jacking machine of the present invention.

Figure 3 is an enlarged schematic view of the first chain and driving device of the present invention.

Figure 4 is a perspective view of the jacking machine of the present invention.

Fig. 5 is a top perspective view of the lifting platform of the jacking machine transmission mechanism of the present invention.

Figure 6 is a side perspective view of the lifting and lowering platform of the jacking machine transmission mechanism of the present invention.

Figure 7 is a top perspective view of the lifting mechanism of the jacking machine of the present invention.

Figure 8 is a side perspective view of the lifting mechanism of the jacking machine of the present invention lowered from the lifting platform.

The above and other technical contents, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments.

In the following, the structural features of the present invention and the intended effects thereof will be described in the preferred embodiments, and are not intended to limit the scope of the invention as claimed.

Referring to FIG. 1 to FIG. 4 , the present invention provides a jacking machine including a first guide post 11 , a second guide post 12 , a third guide post 13 , a fourth guide post 14 , an elevating table 15 , and A car drive mechanism, which in this embodiment is a four-column type top car. In other embodiments, the first and second guide columns 11 and 12 may be provided to form a double column type top sewing machine. In this embodiment, the first, second, third and fourth guide columns 11, 12, 13, 14 are respectively adjacent to one of the four corners of the lifting platform 15. The lifting platform 15 is provided with two sliding guides 151. The driving mechanism of the top loading machine includes a driving device, a first guiding wheel 30, a second guiding wheel 31, a first chain 40, a second chain 41, and a plurality of A pulley 50, 50', a plurality of second pulleys 51, 51', a first cable 60, a second cable 61, a third cable 62 and a fourth cable 63.

The driving device includes a sliding member 21 and a driving member 22. The sliding member 21 is slidably disposed on the two sliding passages 151 and has a plurality of openings 211. In the embodiment, the sliding member 21 is in a plate shape. The driving member 22 includes a telescopic member 221, which may be a hydraulic cylinder, a pneumatic cylinder or other device having a push-pull chain function. When the driving member 22 is a hydraulic cylinder or a pneumatic cylinder, the telescopic member The 221 is a piston rod.

The first and second guide wheels 30 and 31 are respectively rotatably disposed on the lifting platform 15 . Preferably, the first and second guiding wheels 30 and 31 are respectively rotatably disposed on the two sliding passages 151 and coaxially The axial directions of the first and second guide wheels 30, 31 are perpendicular to the axial directions of the guide posts and the driving member 22, respectively.

The first chain 40 is movably wound around the first guide wheel 30. The first chain 40 includes a first end 401 and a second end 402. The first end 401 of the first chain is connected to the sliding member. twenty one.

The second chain 41 is movably disposed around the second guide wheel 31, the second chain 41 includes a first end 411 and a second end 412, and the first end 411 of the second chain is coupled to the slider 21.

Some of the first pulleys 50, 50' are rotatably disposed on the lifting platform 15, and some are rotatably disposed on the first and third guiding columns 11, 13 and the first pulleys The size of 50, 50' is large or small, mainly depending on the demand selection and setting position to determine the size of the first pulley 50, 50'.

Some of the second pulleys 51, 51' are rotatably disposed on the lifting platform 15, and some are rotatably disposed on the second and fourth guiding columns 12, 14, and the second pulleys 51 are The size of the 51' is large or small, mainly depending on the demand selection and the setting position to determine the size of the second pulley 51, 51'.

The first cable 60 is movably disposed around a portion of the first pulley 50. The first cable 60 includes a first end and a second end. The first cable 60 passes through one of the openings 211 of the sliding member 21, The first end of the first cable 60 is coupled to the second end 402 of the first chain, and the second end of the first cable 60 is positioned at the first guide post 11. Further, the first cable 60 is movably wound around a first pulley 50 adjacent to one of the first and third guide posts 11, 13 and a first pulley 50 disposed on the first guide post 11.

The second cable 61 is movably wound around a portion of the second pulley 51. The second cable 61 includes a first end and a second end, and the first end of the second cable 61 is coupled to the sliding member 21, The second end of the second cable 61 is positioned at the second guide post 12. Further, the second cable 61 is movably wound around a second pulley 51 adjacent to one side of the second and fourth guide posts 12, 14 and a second pulley 51 disposed on the second guide post 12.

The third cable 62 is movably wound around a portion of the first pulley 50', in principle each A first pulley 50, 50' is only wound around a first cable 60 or a third cable 62 and is smoothly moved and steered by the first cable 60 or the third cable 62. The third cable 62 includes a first end and a second end. The third cable 62 passes through one of the openings 211 of the sliding member. The first end of the third cable 62 is connected to the second chain 412. At the two ends, the second end of the third cable 62 is positioned on the third guide post 13. Further, the third cable 62 is movably wound around a first pulley 50' adjacent one side of the first and third guide columns 11, 13 and a first pulley 50 disposed on the third guide post.

The fourth cable 63 is movably wound around a portion of the second pulley 51'. In principle, each of the second pulleys 51, 51' is only provided with a second steel cable 61 or a fourth steel cable 63 and is provided for the second cable. The cable 61 or the fourth cable 63 smoothly moves and turns. The fourth cable 63 includes a first end and a second end. The first end of the fourth cable 63 is connected to the sliding member 21, and the second end of the fourth cable 63 is positioned on the fourth guiding post 14. Further, the fourth cable 63 is movably wound around a second pulley 51' adjacent to one side of the second and fourth guide columns 12, 14 and a second pulley 51 disposed on the fourth guide post 14 '.

Referring to FIG. 2, the lifting platform 15 of the present invention is lowered to the lowest position before it is used. Referring to FIG. 4 to FIG. 6, when a vehicle (not shown) is placed on the lifting platform 15, the telescopic member 221 is moved in a first direction, and the sliding member 21 is pulled by the telescopic member 221 and along the The second slide moves in a first direction, and the sliding member 21 further pulls the first end 401 of the first chain 40, the first end 411 of the second chain 41, the first end of the second cable 61, and the first The first end of the fourth cable 63 moves in a first direction, and the second end 402 of the first chain 40 carries the first cable 60 and the second end 412 of the second chain 41 carries the third cable 62. Moving in the opposite direction of the first direction, whereby the first, second, third and fourth steel cables 60, 61, 62, The 63 series is tensioned to simultaneously drive the lifting platform to smoothly move upward along the first, second, third and fourth guide columns 11, 12, 13, 14.

Referring to FIG. 7 and FIG. 8 , when the lifting platform is lowered, the telescopic member 221 is moved in the opposite direction of the first direction, and the sliding member 21 is pushed by the telescopic member 221 and first along the two sliding guides. Moving in the opposite direction of the direction, the slider 21 further pushes the first end of the first chain 40, the first end of the second chain 41, the first end of the second cable 61, and the fourth cable 63 One end moves in the opposite direction of the first direction, the second end 402 of the first chain 40 moves in the first direction with the first cable 60, and the second end 412 of the second chain 41 carries the first The three steel cables 62 move in the first direction, whereby the first, second, third and fourth steel cables 60, 61, 62, 63 are relaxed and synchronously drive the lifting platform 15 smoothly along the first and second The third and fourth guide columns 11, 12, 13, 14 are moved downward.

Therefore, in the driving mechanism of the jacking machine, the first and second guide wheels are originally wound by the first and second chains in the present invention, because the chain is assembled by a plurality of chain plate units. The deformation effect and structural strength are superior to those of steel cables. When turning at large angles, there is no problem of deformation and fracture on the outside of the bend. In addition, the chain is more wear-resistant than the steel cable, so that the inside of the chain is not constantly The friction of the car is damaged or even broken, so the safety of the jacking machine of the present invention is very prominent.

It can be seen from the above that the top driving mechanism of the present invention and the topping machine including the driving mechanism of the jacking machine are not only structurally innovative, but also have a progressive effect, comply with the relevant provisions of the Patent Law, and file a patent application according to law. As soon as the bureau approved the patent, it was really sensible.

11‧‧‧First guide column

12‧‧‧Second Pillar

13‧‧‧The third guide column

14‧‧‧fourth guide column

15‧‧‧ Lifting table

151‧‧‧Slide

21‧‧‧Sliding parts

22‧‧‧ Drives

221‧‧‧Flexible parts

30‧‧‧First guide wheel

31‧‧‧Second guide wheel

40‧‧‧First chain

401, 411‧‧‧ first end

402, 412‧‧‧ second end

41‧‧‧Second chain

50, 50'‧‧‧ first pulley

51, 51'‧‧‧second pulley

60‧‧‧First cable

61‧‧‧Second cable

62‧‧‧ Third cable

63‧‧‧4th cable

Claims (2)

A top car drive mechanism is provided for a top car, the top car comprising a first guide post, a second guide post, a third guide post, a fourth guide post and a lifting platform, The first, second, third and fourth guide columns are respectively adjacent to one of the four corners of the lifting platform, and the jacking machine transmission mechanism comprises: a driving device for being arranged on the lifting platform; a first guiding wheel The first chain is movably disposed around the first guide wheel, and the first chain includes a first end and a second end, the first of the first chain The first cable is connected to the driving device; the first cable includes a first end and a second end, the first end of the first cable is connected to the second end of the first chain, and the second end of the first cable Provided on the first guide post; a second cable includes a first end and a second end, the first end of the second cable is connected to the driving device, and the second end of the second cable is provided at The second guide post; wherein the top drive mechanism further includes a second chain, a second guide wheel, a third cable and a fourth cable. The second guide wheel is rotatably disposed on the lifting platform, the second chain is movably disposed around the second guide wheel, and the second chain includes a first end and a second end, the second chain The first end is connected to the driving device, the third cable includes a first end and a second end, the first end of the third cable is connected to the second end of the second chain, and the second cable is second The fourth cable is disposed on the third guide post, the fourth cable includes a first end and a second end, the first end of the fourth cable is connected to the driving device, and the second end of the fourth cable is provided at The fourth guide post; wherein the top drive mechanism further includes a plurality of first pulleys and a plurality of second pulleys, the first a pulley is rotatably disposed on the side of the lifting platform adjacent to the first and third guiding columns, and some is rotatably disposed on the first and third guiding columns, and the second pulleys are provided for some Rotatingly disposed on the side of the lifting platform adjacent to the second and fourth guiding columns, and rotatably disposed on the second and fourth guiding columns, the first cable is movably disposed adjacent to the first a first pulley on one side of the first and third guide columns and a first pulley disposed on the first guide post, the second cable is movably disposed around one side of the second and fourth guide columns a second pulley and a second pulley disposed on the second guide post, the third cable is movably disposed around the first pulley adjacent to one of the first and third guide posts and disposed on the third guide a first pulley on the column, the fourth cable is movably wound around a second pulley adjacent to one side of the second and fourth guide columns and a second pulley disposed on the fourth guide post; wherein The driving device is configured to drive the first end of the first chain, the first end of the second chain, the first end of the second steel cable, and the first end of the fourth steel cable Moving in a first direction or in a reverse direction of the first direction, the second end of the first chain carries the first cable and the second end of the second chain carries the third cable to the first direction The movement in the opposite direction or the movement in the first direction causes the lifting platform to move up and down along the first, second, third and fourth guide columns. a car machine comprising a first guide post, a second guide post, a third guide post, a fourth guide post, an elevator platform and a top drive mechanism as claimed in claim 1 1. The second, third, and fourth guide columns are respectively adjacent to one of the four corners of the lifting platform, the driving device is disposed on the lifting platform, and the first guiding wheel is rotatably disposed on the lifting platform, the first a first slat is movably disposed on the first guide wheel, the first chain includes a first end and a second end, the first end of the first chain is coupled to the driving device, and the first cable includes a first One end and a second end, the first end of the first cable is connected to the second end of the first chain, and the second end of the first cable is disposed on the first end a second column comprising a first end and a second end, the first end of the second cable is connected to the driving device, and the second end of the second cable is disposed on the second guiding column; The top drive mechanism further includes a second chain, a second guide wheel, a third cable and a fourth cable, the second guide wheel is rotatably disposed on the lifting platform, and the second chain is movable The second chain includes a first end and a second end, the first end of the second chain is connected to the driving device, and the third cable includes a first end and a first end a second end, the first end of the third cable is connected to the second end of the second chain, the second end of the third cable is disposed on the third guide post, and the fourth cable includes a first end and a first end The second end of the fourth cable is connected to the driving device, and the second end of the fourth cable is disposed on the fourth guiding post.