CN212174363U - Four-column lifter - Google Patents
Four-column lifter Download PDFInfo
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- CN212174363U CN212174363U CN202020682458.0U CN202020682458U CN212174363U CN 212174363 U CN212174363 U CN 212174363U CN 202020682458 U CN202020682458 U CN 202020682458U CN 212174363 U CN212174363 U CN 212174363U
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- rubber pad
- locating piece
- runway
- fixed establishment
- groove
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Abstract
The utility model discloses a four-column lifter, which belongs to the field of vehicle lifting equipment and comprises a base, wherein vertical upright columns are fixedly arranged at four corners of the top of the base, two track boards are arranged at the upright columns at equal heights, and a first fixing mechanism and a second fixing mechanism for limiting the front wheels and the rear wheels of a vehicle are arranged at the positions of the track boards close to the two ends; the position that the runway board is close to both ends has seted up the holding tank, and first fixed establishment and second fixed establishment all have set firmly in the locating rack of runway board bottom, and the locating rack is located the holding tank under, is provided with the pneumatic cylinder in the locating rack, and the tailpiece of the piston rod portion of pneumatic cylinder extends to in the holding tank and fixedly connected with locating piece, and the locating piece has set firmly the rubber pad towards one side of second fixed establishment, and the rubber pad is used for the butt in the outside of wheel, and the rubber pad on second fixed establishment's the locating piece sets up towards first fixed establishment, the utility model has the effect of reducing the in-process emergence rocking that the vehicle followed runway board vertical motion.
Description
Technical Field
The utility model belongs to the technical field of vehicle lifting equipment and specifically relates to a four post machines of lifting are related to.
Background
The domestic lifting machine gradually becomes popular from the 90 s in the 20 th century, and with the increase of the keeping quantity of vehicles in China, the four-column lifting machine is used as an important tool for vehicle maintenance, and the demand is greatly increased. The market of the lifting machine has nearly hundreds of foreign brands, and the product series is hundreds of thousands. Foreign brands are high in price, but good public praise is established in dealers by virtue of good product quality, stable performance and simple equipment operation. With the development of the domestic four-column lifter industry in recent years, a lot of improvements are made in product design, technical development and after-sale service, and the sales volume is greatly increased. And dividing into a positioning four-column lifter and a common four-column lifter according to whether the secondary lifting is provided.
The prior art can refer to the chinese utility model patent with the grant publication number CN202492327U, which discloses a four-column lifter with a shearing table, including: four stands, lifting beam group, runway board group, cut platform, lift driver and slip driver. The lifting beam set is erected between the upright posts. The runway plate group is erected on the lifting beam group, and the lifting beam group and the runway plate group form an opening at the rear side of the four-column lifter. The shearing table is installed in the opening, and the shearing table is installed on the track plate group and slides along the track plate group. The lifting driver drives the lifting beam group to ascend or descend along the upright post. The sliding driver drives the shearing table to slide along the runway plate group.
The utility model discloses in exist following not enough: when the vehicle drives the runway beam group, when the runway beam group vertically slides along the lifting beam group, the vehicle tire is not positioned by the runway beam group, so that the vehicle shakes along with the vertical movement of the runway beam group.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a four post machines of lifting has reached and has fixed with the vehicle with runway roof beam group, has reached the effect that the in-process that reduces the vehicle and follow runway roof beam group vertical motion takes place to rock.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a four-column lifter comprises a base, wherein vertical columns are fixedly arranged at four corners of the top of the base, two track plates are arranged on the vertical columns at equal heights, and a first fixing mechanism and a second fixing mechanism for limiting front wheels and rear wheels of a vehicle are arranged at positions, close to two ends, of the track plates; the position that the runway plate is close to both ends has seted up the holding tank, and first fixed establishment and second fixed establishment all include setting firmly in the locating rack of runway plate bottom, and the locating rack is provided with the pneumatic cylinder under the holding tank in the locating rack, and the tailpiece of the piston rod portion of pneumatic cylinder extends to in the holding tank and fixedly connected with locating piece, and the locating piece has set firmly the rubber pad towards one side of second fixed establishment, and the rubber pad is used for the butt in the outside of wheel, and the rubber pad on the locating piece of second fixed establishment sets up towards first fixed establishment.
Through adopting above-mentioned scheme, on driving the runway board with the vehicle, the piston rod extension of first fixed establishment and second fixed establishment's pneumatic cylinder promotes locating piece and rubber pad protrusion holding tank and butt on the front wheel and the rear wheel of vehicle, can be fixed in the vehicle on the runway board, when the vehicle followed runway board vertical motion, reduced the vehicle and taken place to rock.
The utility model discloses further set up to: and one side of the rubber pad opposite to the rubber pad is provided with an arc inclined plane.
Through adopting above-mentioned scheme, the area of contact of rubber pad butt and wheel can be increased to the inclined plane on the rubber pad to make first fixed establishment's locating piece and second fixed establishment's locating piece more stable with the wheel centre gripping.
The utility model discloses further set up to: the rubber pad positioning device is characterized in that one side of the positioning block, which faces the rubber pad, is provided with a cavity, a buffer spring which is horizontally arranged is arranged in the cavity, one end of the buffer spring is fixedly connected to the inner wall of the positioning block, and the other end of the buffer spring is connected with the rubber pad.
By adopting the scheme, when the piston rod of the hydraulic cylinder extends, the positioning block and the rubber pad are pushed to move upwards, after the rubber pad is subjected to resistance of the wheel, the rubber pad compresses the buffer spring, the rubber pad moves upwards and abuts against the side wall of the wheel, and the tension of the buffer spring enables the rubber pad to abut against the side wall of the wheel, so that the vehicle is fixed by the rubber pad of the first fixing mechanism and the rubber pad of the second fixing mechanism.
The utility model discloses further set up to: the top and the bottom of the side, close to the rubber pad, of the positioning block are fixedly provided with limiting strips, one side, close to the positioning block, of the rubber pad is fixedly provided with a connecting plate, the connecting plate is connected in a cavity of the positioning block in a sliding mode, and the end portion of the buffer spring is fixedly connected to the connecting plate.
Through adopting above-mentioned scheme, when the rubber pad received the pressure of wheel, the rubber pad moved in to the holding tank of locating piece, and after the pressure of wheel to the rubber pad disappeared, the rubber pad outwards moved under buffer spring's tension, and spacing can prevent connecting plate roll-off locating piece.
The utility model discloses further set up to: the positioning block, the rubber pad and the hydraulic cylinder are connected in the positioning frame in a sliding mode.
By adopting the scheme, the positioning block, the rubber pad and the hydraulic cylinder slide in the positioning frame, the distance between the front wheel and the rear wheel is not fixed according to the different types of vehicles, and when the vehicle is positioned, the positioning block, the rubber pad and the hydraulic cylinder are slid to a proper position, so that the positioning block, the rubber pad and the hydraulic cylinder can fix the vehicles of different types of vehicles on the runway board.
The utility model discloses further set up to: the groove that slides has been seted up to the relative both sides of locating rack, and the groove that slides sets up along the length direction of locating rack, and the sliding is connected with a fixed block in the locating rack, and the cylinder body fixed connection of pneumatic cylinder is on the fixed block, and the piston rod of pneumatic cylinder passes from the fixed block, and the both sides of fixed block have set firmly to slide and have connected in the sliding block in the groove that slides.
Through adopting above-mentioned scheme, during the pneumatic cylinder that slides, the sliding block on the fixed block slides in the groove that slides, and the groove that slides plays the effect of direction to the sliding block, makes the in-process that the pneumatic cylinder drove locating piece and rubber pad and slides more stable.
The utility model discloses further set up to: and the sliding block is in threaded connection with a bolt extending out of the sliding groove.
Through adopting above-mentioned scheme, behind the position of the good pneumatic cylinder of width regulation according to front wheel and rear wheel of staff, can screw up the bolt, can be fixed with sliding block and locating rack, can be fixed with locating piece and rubber pad, prevent that locating piece and rubber pad from taking place to remove at the in-process of butt wheel.
The utility model discloses further set up to: the runway board is located the top of holding tank and has seted up the draw-in groove, and the cunning is connected with the baffle in the draw-in groove, and baffle fixed connection is in the top of fixed block, and the baffle follows the slip of locating piece and slides in the draw-in groove, and the baffle is located and offers the groove of stepping down that supplies locating piece and rubber pad to pass directly over the locating piece.
Through adopting above-mentioned scheme, the baffle slides in the spout along with the locating piece, and the baffle is located the top of holding tank, and the baffle is used for preventing wheel joint in the holding tank when the wheel rolls from the top.
To sum up, the utility model discloses following beneficial effect has:
1. the positions of the runway plate close to the two ends are provided with the containing grooves, the first fixing mechanism and the second fixing mechanism respectively comprise a positioning frame fixedly arranged at the bottom of the runway plate, the positioning frame is positioned under the containing grooves, a hydraulic cylinder is arranged in the positioning frame, the end part of a piston rod of the hydraulic cylinder extends into the containing grooves and is fixedly connected with a positioning block, one side of the positioning block, which faces the second fixing mechanism, is fixedly provided with a rubber pad, the rubber pad is used for abutting against the outer side of a wheel, the rubber pad on the positioning block of the second fixing mechanism is arranged towards the first fixing mechanism, a vehicle is driven onto the runway plate, the piston rods of the hydraulic cylinders of the first fixing mechanism and the second fixing mechanism extend, and the positioning block and the rubber pad are pushed to protrude out of the containing, the vehicle can be fixed on the runway plate, and when the vehicle vertically moves along with the runway plate, the vehicle is prevented from shaking;
2. when a piston rod of the hydraulic cylinder extends, the positioning block and the rubber pad are pushed to move upwards, the rubber pad compresses the buffer spring after being subjected to resistance of the wheel, so that the rubber pad moves upwards and abuts against the side wall of the wheel, and the tension of the buffer spring enables the rubber pad to abut against the side wall of the wheel, so that the vehicle is fixed by the rubber pad of the first fixing mechanism and the rubber pad of the second fixing mechanism;
3. the positioning block, the rubber pad and the hydraulic cylinder are connected in the positioning frame in a sliding mode, the positioning block, the rubber pad and the hydraulic cylinder slide in the positioning frame, the distance between the front wheel and the rear wheel is not fixed according to different vehicle types, and when the vehicle is positioned, the positioning block, the rubber pad and the hydraulic cylinder are slid to a proper position, so that the positioning block, the rubber pad and the hydraulic cylinder can fix the vehicles of different vehicle types on the runway board.
Drawings
FIG. 1 is an isometric view of an embodiment;
fig. 2 is a cross-sectional view of the runway panel;
FIG. 3 is an enlarged view of portion A of FIG. 2;
fig. 4 is a schematic structural view of the first fixing mechanism.
In the figure, 1, a base; 2. a column; 3. a runway plate; 31. a ramp plate; 32. accommodating grooves; 33. a card slot; 4. a first fixing mechanism; 41. a positioning frame; 411. a sliding groove; 412. a fixed block; 413. a sliding block; 42. a hydraulic cylinder; 43. positioning blocks; 431. a cavity; 432. a buffer spring; 433. a limiting strip; 44. a rubber pad; 441. a bevel; 442. a connecting plate; 45. a baffle plate; 451. a yielding groove; 5. a second securing mechanism.
Detailed Description
A four-column lifter, see figure 1, includes the base 1, four corners of the top of the base 1 are fixedly provided with the vertical column 2, the vertical column 2 is provided with two runway boards 3 with equal height, the runway boards 3 are horizontally arranged, the runway boards 3 are vertically connected to the two vertical columns 2 arranged along the length direction of the base 1 in a sliding manner, two ends of the runway boards 3 are respectively fixedly provided with the slope board 31, and one end of the slope board 31 far away from the runway board 3 is arranged in a downward inclination manner; when needing to overhaul the vehicle, open the vehicle on runway board 3 through ramp plate 31, runway board 3 is along stand 2 vertical motion to suitable position to overhaul the vehicle.
Referring to fig. 1 and 2, in order to prevent the vehicle on the running boards 3 from moving, a first fixing mechanism 4 and a second fixing mechanism 5 for limiting the front wheel and the rear wheel of the vehicle are provided at positions of each running board 3 near both ends.
Referring to fig. 2 and 3, the track board 3 is provided with accommodating grooves 32 at positions close to both ends, each of the first fixing mechanism 4 and the second fixing mechanism 5 includes a positioning frame 41 fixedly arranged at the bottom of the track board 3, the positioning frame 41 is positioned right below the accommodating groove 32, a hydraulic cylinder 42 is arranged in the positioning frame 41, a piston rod end of the hydraulic cylinder 42 extends into the accommodating groove 32 and is fixedly connected with a positioning block 43, a rubber pad 44 is fixedly arranged at one side of the positioning block 43 facing the second fixing mechanism 5, the rubber pad 44 is used for abutting against the outer side of a wheel, and the rubber pad 44 on the positioning block 43 of the second fixing mechanism 5 is arranged facing the first fixing mechanism 4; on driving the vehicle to runway board 3, the piston rod extension of the pneumatic cylinder 42 of first fixed establishment 4 and second fixed establishment 5 promotes locating piece 43 and rubber pad 44 protrusion holding tank 32 and butt on the front wheel and the rear wheel of vehicle, can be fixed in the vehicle on runway board 3, when the vehicle followed runway board 3 vertical motion, the vehicle can not take place to rock.
Referring to fig. 3, an arc inclined plane 441 is formed at the opposite side of the rubber pad 44; the inclined surface 441 on the rubber pad 44 can increase the contact area of the rubber pad 44 against the wheel, so that the wheel can be clamped more stably by the positioning block 43 of the first fixing mechanism 4 and the positioning block 43 of the second fixing mechanism 5. A cavity 431 is formed in one side, facing the rubber pad 44, of the positioning block 43, a horizontally arranged buffer spring 432 is arranged in the cavity 431, one end of the buffer spring 432 is fixedly connected to the inner wall of the positioning block 43, and the other end of the buffer spring 432 is connected with the rubber pad 44; when the piston rod of the hydraulic cylinder 42 extends, the positioning block 43 and the rubber pad 44 are pushed to move upwards, after the rubber pad 44 receives the resistance of the wheel, the rubber pad 44 compresses the buffer spring 432, so that the rubber pad 44 moves upwards and abuts against the side wall of the wheel, and the tension of the buffer spring 432 enables the rubber pad 44 to abut against the side wall of the wheel, so that the rubber pad 44 of the first fixing mechanism 4 and the rubber pad 44 of the second fixing mechanism 5 fix the vehicle. The top and the bottom of one side of the positioning block 43 close to the rubber pad 44 are fixedly provided with a limiting strip 433, one side of the rubber pad 44 close to the positioning block 43 is fixedly provided with a connecting plate 442, the connecting plate 442 is connected in the cavity 431 of the positioning block 43 in a sliding manner, and the end part of the buffer spring 432 is fixedly connected on the connecting plate 442; when the rubber pad 44 receives the pressure of the wheel, the rubber pad 44 moves into the receiving groove 32 of the positioning block 43, and when the pressure of the wheel on the rubber pad 44 disappears, the rubber pad 44 moves outwards under the tension of the buffer spring 432, and the limiting bar 433 can prevent the connecting plate 442 from sliding out of the positioning block 43.
Referring to fig. 2 and 4, the positioning block 43, the rubber pad 44 and the hydraulic cylinder 42 are slidably connected in the positioning frame 41; the positioning block 43, the rubber pad 44, and the hydraulic cylinder 42 are slid in the positioning frame 41, and the distance between the front wheel and the rear wheel is not constant according to the type of vehicle, and when the vehicle is positioned, the positioning block 43, the rubber pad 44, and the hydraulic cylinder 42 are slid to appropriate positions, so that the positioning block 43, the rubber pad 44, and the hydraulic cylinder 42 can fix the vehicle of different types to the running board 3. Two opposite sides of the positioning frame 41 are provided with sliding grooves 411, the sliding grooves 411 are arranged along the length direction of the positioning frame 41, the positioning frame 41 is connected with a fixed block 412 in a sliding manner, a cylinder body of the hydraulic cylinder 42 is fixedly connected to the fixed block 412, a piston rod of the hydraulic cylinder 42 penetrates through the fixed block 412, and two sides of the fixed block 412 are fixedly provided with sliding blocks 413 connected in the sliding grooves 411 in a sliding manner; when the hydraulic cylinder 42 is slid, the sliding block 413 on the fixing block 412 slides in the sliding groove 411, and the sliding groove 411 plays a guiding role for the sliding block 413, so that the hydraulic cylinder 42 drives the positioning block 43 and the rubber pad 44 to slide more stably. A bolt extending out of the sliding slot 411 is connected to the sliding block 413 through a thread; after the position of pneumatic cylinder 42 has been adjusted according to the width of front wheel and rear wheel to the staff, can screw up the bolt, can be with sliding block 413 and locating rack 41 fixed, can be fixed with locating piece 43 and rubber pad 44, prevent that locating piece 43 and rubber pad 44 from taking place to remove at the in-process of butt wheel. The track board 3 is provided with a clamping groove 33 at the top of the accommodating groove 32, a baffle plate 45 is connected in the clamping groove 33 in a sliding manner, the baffle plate 45 is fixedly connected to the top of the fixing block 412, the baffle plate 45 slides in the clamping groove 33 along with the sliding of the positioning block 43, and an abdicating groove 451 for the positioning block 43 and the rubber pad 44 to pass through is formed right above the positioning block 43 on the baffle plate 45; baffle 45 follows locating piece 43 and slides in the spout, and baffle 45 is located the top of holding tank 32, and baffle 45 is used for preventing that the wheel joint is in holding tank 32 when the wheel rolls from the top.
The use principle is as follows: when the vehicle is overhauled, after the vehicle is driven to a proper position on the runway plate 3 through the slope plate 31, the piston rod of the hydraulic cylinder 42 extends to push the positioning plate and the rubber pad 44 to move upwards, so that the rubber pad 44 of the first fixing mechanism 4 and the rubber pad 44 of the second fixing mechanism 5 are respectively abutted to the outer sides of the front wheel and the rear wheel which are opposite to each other, namely, the vehicle can be fixed on the runway plate 3, and the vehicle is prevented from sliding on the runway plate 3 in the vertical movement process of the runway plate 3.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a four post machines of lifting, includes base (1), and four corners departments at base (1) top have set firmly stand (2) of vertical setting, and the first-class height of stand (2) is provided with two runway boards (3), its characterized in that:
the positions of the runway plate (3) close to the two ends are respectively provided with a first fixing mechanism (4) and a second fixing mechanism (5) for limiting the front wheels and the rear wheels of the vehicle;
holding tank (32) have been seted up in the position that runway board (3) are close to both ends, first fixed establishment (4) and second fixed establishment (5) all include locating rack (41) that sets firmly in runway board (3) bottom, locating rack (41) are located holding tank (32) under, be provided with pneumatic cylinder (42) in locating rack (41), the piston rod end portion of pneumatic cylinder (42) extends to in holding tank (32) and fixedly connected with locating piece (43), one side of locating piece (43) orientation second fixed establishment (5) has set firmly rubber pad (44), rubber pad (44) are used for the butt in the outside of wheel, rubber pad (44) on locating piece (43) of second fixed establishment (5) set up towards first fixed establishment (4).
2. The four-column lift of claim 1, wherein: an arc-shaped inclined plane (441) is formed on one side opposite to the rubber pad (44).
3. The four-column lift of claim 1, wherein: one side of the positioning block (43) facing the rubber pad (44) is provided with a cavity (431), a horizontally arranged buffer spring (432) is arranged in the cavity (431), one end of the buffer spring (432) is fixedly connected to the inner wall of the positioning block (43), and the other end of the buffer spring is connected with the rubber pad (44).
4. The four-column lift of claim 3, wherein: the top and the bottom of locating piece (43) near one side of rubber pad (44) all set firmly spacing strip (433), and one side that rubber pad (44) is close to locating piece (43) has set firmly connecting plate (442), and connecting plate (442) slide and connect in cavity (431) of locating piece (43), and the tip fixed connection of buffer spring (432) is on connecting plate (442).
5. The four-column lift of claim 1, wherein: the positioning block (43), the rubber pad (44) and the hydraulic cylinder (42) are connected in the positioning frame (41) in a sliding manner.
6. The four-column lift of claim 5, wherein: the both sides that locating rack (41) is relative have been seted up and have been slided groove (411), and the length direction setting of locating rack (41) is followed in locating rack (41) slides and is connected with a fixed block (412), and the cylinder body fixed connection of pneumatic cylinder (42) is on fixed block (412), and the piston rod of pneumatic cylinder (42) passes from fixed block (412), and the both sides of fixed block (412) set firmly slide and connect sliding block (413) in sliding groove (411).
7. The four-column lift of claim 6, wherein: and a bolt extending out of the sliding groove (411) is connected to the sliding block (413) in a threaded manner.
8. The four-column lift of claim 1, wherein: run runway board (3) and be located the top of holding tank (32) and seted up draw-in groove (33), and the sliding is connected with baffle (45) in draw-in groove (33), and baffle (45) fixed connection is in the top of fixed block (412), and baffle (45) follow the slip of locating piece (43) and slide in draw-in groove (33), and baffle (45) are located and offer the groove of stepping down (451) that supplies locating piece (43) and rubber pad (44) to pass directly over locating piece (43).
Priority Applications (1)
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CN202020682458.0U CN212174363U (en) | 2020-04-28 | 2020-04-28 | Four-column lifter |
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CN202020682458.0U CN212174363U (en) | 2020-04-28 | 2020-04-28 | Four-column lifter |
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CN212174363U true CN212174363U (en) | 2020-12-18 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114436158A (en) * | 2022-03-01 | 2022-05-06 | 吕晓鹏 | Automobile maintenance machine of lifting |
-
2020
- 2020-04-28 CN CN202020682458.0U patent/CN212174363U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114436158A (en) * | 2022-03-01 | 2022-05-06 | 吕晓鹏 | Automobile maintenance machine of lifting |
CN114436158B (en) * | 2022-03-01 | 2023-11-21 | 吕晓鹏 | Automobile maintenance lifting machine |
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