CN214653423U

CN214653423U - Lifting platform suitable for complex terrain

Info

Publication number: CN214653423U
Application number: CN202120957351.7U
Authority: CN
Inventors: 陈书根; 高祥; 张桂荣; 徐明丰; 何满红
Original assignee: Jiangsu Tiande Construction Engineering Co ltd
Current assignee: Jiangsu Tiande Construction Engineering Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-09
Anticipated expiration: 2031-05-06

Abstract

The utility model relates to a lift platform of adaptation complicated topography, it relates to lift platform technical field, including the underframe, the underframe top is rotated and is connected with interior scissor arm, the underframe top is slided and is connected with and interior scissor arm articulated outer scissor arm, interior scissor arm slides with outer scissor arm top and is connected with the desktop, be equipped with the adjustment mechanism who is used for driving interior scissor arm bottom and outer scissor arm bottom and is close to each other on the underframe, the underframe end rotates and is connected with the support frame, the pivot one end that the underframe was kept away from to the support frame slides and is connected with the bracing piece, the bracing piece top slides with the underframe and is connected, be equipped with on the support frame and be used for driving the bracing piece along vertical gliding actuating mechanism. Adjust actuating mechanism and make the bracing piece along vertical slip, the bracing piece slides and drives underframe one end slope up and make the underframe be in horizontal position, reduces the condition that operating personnel slope stand on the desktop, has reduced the possibility that operating personnel fell down, and this application has the effect that improves factor of safety.

Description

Lifting platform suitable for complex terrain

Technical Field

The application relates to the technical field of lifting platforms, in particular to a lifting platform adaptive to complex terrains.

Background

The lifting platform is a hoisting machine for vertically transporting people or objects, and is widely applied to municipal maintenance, wharf and logistics center cargo transportation, building decoration and the like.

Notice a self-sliding desktop lift platform for CN203333240U, including desktop and underframe, be equipped with interior scissor arm and outer scissor arm between desktop and the underframe, the centre of interior scissor arm and outer scissor arm is articulated through the axle center, interior scissor arm bottom is articulated with the underframe, outer scissor arm bottom is equipped with the gyro wheel of being connected with the underframe slides, the welding of interior scissor arm middle part has the spanner crossbeam, the welding has the spanner on the spanner crossbeam, the bottom of outer scissor arm is fixed with the hydro-cylinder, the piston rod and the spanner fixed connection of hydro-cylinder, interior scissor arm and outer scissor arm top all are equipped with coaxial gyro wheel and bearing, the desktop bottom be equipped with bearing complex guide slot, the desktop bottom is equipped with and supplies the gliding guide rail of gyro wheel. The oil cylinder is started, a piston rod of the oil cylinder extends out of the oil cylinder, then the roller rolls on the guide rail, the outer scissor arm and the inner scissor arm are close to each other, and the table top rises.

In view of the above-mentioned related art, the inventor believes that when the bottom frame is placed on a slope, the table top is inclined, and thus an operator is liable to fall down when he/she gets on the table top, resulting in a low safety factor for the operator.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that operating personnel acted on the slope and fell down easily, this application provides a lift platform who adapts to complicated topography.

The application provides a lift platform that adapts to complicated topography adopts following technical scheme:

the utility model provides a lift platform of adaptation complicated topography, includes the underframe, the underframe top is rotated and is connected with interior scissor arm, the underframe top slide be connected with interior scissor arm articulated outer scissor arm, interior scissor arm slides with outer scissor arm top and is connected with the desktop, be equipped with the adjustment mechanism who is used for driving interior scissor arm bottom and outer scissor arm bottom and is close to each other on the underframe, the underframe end rotates and is connected with the support frame, the pivot one end that the underframe was kept away from to the support frame slides and is connected with the bracing piece, the bracing piece top slides with the underframe and is connected, be equipped with on the support frame and be used for driving the bracing piece along vertical gliding actuating mechanism.

Through adopting above-mentioned technical scheme, operating personnel places the support frame on slope, adjusts actuating mechanism afterwards and makes the bracing piece along vertical slip, and the bracing piece slides and drives underframe one end slope up and make the underframe be in horizontal position, and then reduces the condition of operating personnel slope station operation on the desktop, has reduced the possibility that operating personnel tumbled, has improved factor of safety.

Optionally, actuating mechanism is including being fixed in the first sleeve pipe in the support frame, first sleeve pipe internal face slides with the bracing piece and is connected, the bracing piece lateral wall is fixed with the rack, be equipped with the motor in the support frame, the outer peripheral face of motor output shaft is fixed with the straight-teeth gear with rack toothing, be equipped with on the support frame and be used for restricting the gliding locking subassembly of bracing piece.

Through adopting above-mentioned technical scheme, operating personnel starter motor, motor output shaft rotate and drive the straight-teeth gear and rotate, and the straight-teeth gear rotates and drives the rack removal, and the rack removal drives the bracing piece along vertical slip, and then has realized underframe inclination's regulation to can be applicable to different inclination's slope.

Optionally, the locking subassembly is including being fixed in the fixed block at first sleeve pipe top, fixed block lateral wall threaded connection has two bolts, the bolt is kept away from fixed block one end and is rotated and be connected with the tooth piece with rack toothing.

Through adopting above-mentioned technical scheme, when the underframe reachd horizontal position, operating personnel screw in bolt makes rack and tooth piece meshing, and then has realized the fixed to the bracing piece, has reduced the condition that the bracing piece rocked when operating personnel operated on the desktop, reduces operating personnel and rocks the possibility of falling down because of the bracing piece.

Optionally, the desktop top is fixed with the connecting rod, the connecting rod top is rotated and is connected with the fixed plate, the axis of rotation of fixed plate is perpendicular with the axis of rotation of underframe, the desktop top is rotated and is connected with the second sleeve pipe, the internal global threaded connection of second sleeve pipe has the lead screw, the lead screw top slides with the fixed plate and is connected.

Through adopting above-mentioned technical scheme, operating personnel rotates the second sleeve pipe, and the second sleeve pipe rotates and makes the lead screw stretch out the second sleeve pipe, and the lead screw moves upward and drives the fixed plate slope for the fixed plate can be in horizontal position on different domatic slopes, and then can be applicable to different domatic slopes.

Optionally, the bottom of the fixing plate is rotatably connected with two fixing rods which are arranged oppositely, one ends of the fixing rods, far away from the fixing plate, are connected with the desktop in a sliding mode, and a control mechanism for adjusting the relative positions of the two fixing rods is arranged on the desktop.

Through adopting above-mentioned technical scheme, drive control mechanism makes two dead levers support the fixed plate, has reduced operating personnel and has stood the possibility of rocking on the fixed plate, has further improved lift platform's factor of safety.

Optionally, the control mechanism includes an adjusting rod rotatably connected to the desktop, two traction ropes are fixed on the outer peripheral surface of the adjusting rod, the two traction ropes are respectively and fixedly connected with the two fixing rods, a driving assembly for driving the adjusting rod to rotate is arranged on the desktop, and a fixing assembly for locking the adjusting rod is arranged on the desktop.

Through adopting above-mentioned technical scheme, adjust drive assembly and make the regulation pole rotate, adjust the pole and rotate and drive two dead levers of two haulage rope stimulations and be close to each other, and then realize the regulation of two dead lever relative positions to two dead levers can support the fixed plate, reduce the possibility that operating personnel stood and rocked on the fixed plate.

Optionally, the fixing assembly comprises a ratchet fixed on the peripheral surface of the adjusting rod, a positioning rod is fixed at the top of the desktop, a pawl meshed with the ratchet is rotatably connected to the peripheral surface of the positioning rod, a torsion spring is sleeved on the positioning rod, one end of the torsion spring is fixedly connected with the pawl, and the other end of the torsion spring is fixedly connected with the desktop.

Through adopting above-mentioned technical scheme, ratchet and pawl cooperation for adjust the pole unidirectional rotation, reduce the condition that two dead levers kept away from each other, reduce two not hard up fixed plate rocked's that leads to of dead lever possibility, thereby improved the stability of fixed plate.

Optionally, a pull rod is fixed to one end of the pawl, which is far away from the ratchet wheel.

Through adopting above-mentioned technical scheme, through setting up the pull rod, the operating personnel of being convenient for drives the separation of ratchet and pawl to the inclination of the fixed plate of being convenient for operating personnel adjustment.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the driving mechanism is adjusted to enable the supporting rod to slide along the vertical direction, and the supporting rod slides to drive one end of the bottom frame to incline upwards so that the bottom frame is the same as the horizontal position, so that the situation that an operator operates when standing on a desktop in an inclined mode is easily reduced, the possibility that the operator falls down is reduced, and the safety coefficient is improved;

2. the motor provides power, and spur gear and rack provide driven effect simultaneously for motor output shaft rotates and can drives the bracing piece along vertical slip, and then easily adjusts underframe inclination, thereby can be applicable to different inclination's slope.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is a schematic structural diagram of the driving device of the present embodiment.

Fig. 3 is a schematic structural diagram of the adjusting device of the present embodiment.

Fig. 4 is a schematic structural diagram of the adjusting mechanism of the present embodiment.

Description of reference numerals: 1. a bottom frame; 11. positioning a groove; 2. an inner scissor arm; 3. an outer scissor arm; 4. a desktop; 5. an adjustment mechanism; 51. a first guide rail; 52. a first roller; 53. a second guide rail; 54. a second roller; 55. an oil cylinder; 6. a support frame; 7. a drive device; 71. a first sleeve; 72. a support bar; 73. a rack; 74. a motor; 75. a spur gear; 76. a fixed block; 77. a bolt; 771. a nut; 78. a tooth block; 8. a connecting rod; 81. a fixing plate; 811. a yielding groove; 9. an adjustment device; 91. a second sleeve; 92. a screw rod; 93. fixing the rod; 94. adjusting a rod; 95. a hauling rope; 96. a pull rod; 97. a ratchet wheel; 98. positioning a rod; 981. a pawl; 982. a torsion spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a lifting platform suitable for complex terrains. Referring to fig. 1, a lift platform who adapts to complicated topography includes underframe 1, and underframe 1 top is rotated and is connected with two relative interior scissor arm 2 that set up, and interior scissor arm 2 sets up along underframe 1's width direction, and underframe 1 top slides and is connected with two relative outer scissor arm 3 that set up, and outer scissor arm 3 slides along underframe 1's length direction. The middle part of the outer scissor arm 3 is hinged with the middle part of the inner scissor arm 2. The top of the inner scissor arm 2 and the top of the outer scissor arm 3 are connected with a desktop 4 in a sliding manner, the outer scissor arm 3 is provided with an adjusting mechanism 5, and the adjusting mechanism 5 is used for driving the bottom end of the inner scissor arm 2 and the bottom end of the outer scissor arm 3 to be close to each other. Underframe 1 end rotates and is connected with support frame 6, and underframe 1's axis of rotation sets up along support frame 6's width direction, is equipped with drive arrangement 7 on the support frame 6, and drive arrangement 7 is used for adjusting underframe 1's inclination. The top of the desktop 4 is fixed with a connecting rod 8, the top of the connecting rod 8 is rotatably connected with a fixing plate 81, and the rotating axis of the fixing plate 81 is parallel to the bottom frame 1. The top of the table top 4 is provided with an adjusting device 9, and the adjusting device 9 is used for adjusting the inclination angle of the fixing plate 81.

Referring to fig. 1 and 2, the driving device 7 includes a first sleeve 71 fixed in the supporting frame 6, a supporting rod 72 is connected to an inner circumferential surface of the first sleeve 71 in a sliding manner, a positioning groove 11 is formed in the bottom of the bottom frame 1 along a length direction of the bottom frame 1, and the supporting rod 7 is connected to the bottom of the bottom frame 1 in a sliding manner through the positioning groove 11. A rack 73 is fixed on the side wall of the support rod 72, a motor 74 is fixed on the inner top surface of the support frame 6, a straight gear 75 is fixed on the outer peripheral surface of an output shaft of the motor 74, and the straight gear 75 is meshed with the rack 73. Fixed block 76 is fixed with at first sleeve 71 top, and relative bolt 77 that sets up is all worn to be equipped with at the both ends of fixed block 76, and bolt 77 is kept away from 76 one end threaded connection of fixed block has a nut 771, and nut 771 and tooth piece 78 keep away from fixed block 76 one side butt. When the bottom frame 1 is in a horizontal position, an operator rotates the bolt 77 to enable the toothed block 78 to be meshed with the rack 73 extending out of the first sleeve 71, and then the support rod 72 is fixed.

Referring to fig. 3, the adjusting device 9 includes a second sleeve 91 rotatably connected to the top of the table top 4, and the rotation axis of the second sleeve 91 is vertically arranged. The top of the desktop 4 is connected with a screw rod 92 in threaded connection with the inner peripheral surface of the second sleeve 91 along the vertical sliding, the bottom of the fixing plate 81 is provided with a yielding groove 811 arranged along the length direction of the fixing plate 81, and the screw rod 92 is connected with the fixing plate 81 through the yielding groove 811 in a sliding manner. The bottom of the fixing plate 81 is rotatably connected with two fixing rods 93 which are oppositely arranged, one ends of the two fixing rods 93 far away from the fixing plate 81 are connected with the tabletop 4 in a sliding mode, the rotating axes of the two fixing rods 93 are collinear, and the two fixing rods 93 are arranged along the vertical inclination.

Referring to fig. 3, an adjusting lever 94 is rotatably connected to the top of the table top 4, and a rotation axis of the adjusting lever 94 is vertically arranged. Two pulling ropes 95 are fixed on the outer peripheral surface of the adjusting rod 94, and the two pulling ropes 95 are respectively fixedly connected with the two fixing rods 93. Ratchet 97 is fixed on the outer peripheral face of adjusting pole 94 near desktop 4 one end, and desktop 4 top is fixed with locating lever 98, and locating lever 98 outer peripheral face rotates and is connected with the pawl 981 with ratchet 97 meshing, and the cover is equipped with torsional spring 982 on locating lever 98, and torsional spring 982 one end and pawl 981 fixed connection, the torsional spring 982 other end and desktop 4 fixed connection. The torsion spring 982 applies a pushing force to the pawl 981 toward the ratchet 97 so that the pawl 981 slides against the engagement surface of the ratchet 97, thereby reducing the possibility of the pawl 981 separating from the ratchet 97. The pull rod 96 is fixed at one end of the pawl 981, which is far away from the ratchet 97, and the pull rod 96 is convenient for an operator to drive the ratchet 97 to be separated from the pawl 981, so that the operator can reset the fixed rod 93 conveniently.

Referring to fig. 4, the adjusting mechanism 5 includes two first guide rails 51 fixed to the bottom of the table top 4, and first rollers 52 are fixed to the tops of the inner scissor arm 2 and the outer scissor arm 3, and the first rollers 52 slide in the first guide rails 51 along the length direction of the first guide rails 51. A second guide rail 53 is fixed on the top of the bottom frame 1, a second roller 54 is fixed on the bottom of the outer scissor arm 3, and the second roller 54 slides in the second guide rail 53 along the length direction of the second guide rail 53. The relative inboard of two outer scissor arms 3 all is connected with hydro-cylinder 55, and the piston rod of two hydro-cylinders 55 is connected with interior scissor arm 2 rotation.

The implementation principle of the lifting platform suitable for the complex terrain is as follows: when fixing plate 81 needs to be adjusted to be at horizontal position, operator starts motor 74, spur gear 75 and rack 73 provide driven effect, make motor 74 output shaft rotate and drive bracing piece 72 and stretch out first sleeve 71, bracing piece 72 moves up and drives underframe 1 and rotate, rotate second sleeve 91 afterwards, second sleeve 91 rotates and drives lead screw 92 and stretch out second sleeve 91, then fixing plate 81 is at horizontal position, redrive regulation pole 94 rotates and pulls two dead levers 93, and then two dead levers 93 can support fixing plate 81, and then operator can stand the operation on fixing plate 81 at horizontal position.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a lift platform of adaptation complicated topography, includes underframe (1), underframe (1) top is rotated and is connected with interior scissor arm (2), underframe (1) top is slided and is connected with and interior scissor arm (2) articulated outer scissor arm (3), interior scissor arm (2) slide with outer scissor arm (3) top and be connected with desktop (4), be equipped with on underframe (1) and be used for driving in scissor arm (2) bottom and outer scissor arm (3) bottom adjustment mechanism (5) that are close to each other, its characterized in that: underframe (1) tip rotates and is connected with support frame (6), the pivot one end that underframe (1) was kept away from in support frame (6) slides and is connected with bracing piece (72), bracing piece (72) top slides with underframe (1) and is connected, be equipped with on support frame (6) and be used for driving bracing piece (72) along vertical gliding actuating mechanism.

2. A complex terrain adapted lift platform as defined in claim 1, wherein: the driving mechanism comprises a first sleeve (71) fixed in a support frame (6), the inner circumferential surface of the first sleeve (71) is connected with a support rod (72) in a sliding mode, a rack (73) is fixed on the side wall of the support rod (72), a motor (74) is arranged in the support frame (6), a straight gear (75) meshed with the rack (73) is fixed on the outer circumferential surface of an output shaft of the motor (74), and a locking assembly used for limiting the support rod (72) to slide is arranged on the support frame (6).

3. A complex terrain adapted lift platform as defined in claim 2, wherein: the locking assembly comprises a fixing block (76) fixed to the top of the first sleeve (71), two bolts (77) are connected to the side wall of the fixing block (76) in a threaded mode, and one end, far away from the fixing block (76), of each bolt (77) is rotatably connected with a tooth block (78) meshed with the rack (73).

4. A complex terrain adapted lift platform as defined in claim 1, wherein: the top of the desktop (4) is fixed with a connecting rod (8), the top of the connecting rod (8) is rotatably connected with a fixing plate (81), the rotating axis of the fixing plate (81) is perpendicular to the rotating axis of the bottom frame (1), the top of the desktop (4) is rotatably connected with a second sleeve (91), the inner circumferential surface of the second sleeve (91) is in threaded connection with a screw rod (92), and the top of the screw rod (92) is connected with the fixing plate (81) in a sliding manner.

5. A lifting platform for adapting to complex terrains according to claim 4, wherein: the fixing device is characterized in that two fixing rods (93) which are arranged oppositely are rotatably connected to the bottom of the fixing plate (81), one ends of the fixing rods (93) far away from the fixing plate (81) are connected with the desktop (4) in a sliding mode, and a control mechanism used for adjusting the relative positions of the two fixing rods (93) is arranged on the desktop (4).

6. A lifting platform for adapting to complex terrains according to claim 5, wherein: the control mechanism comprises an adjusting rod (94) which is rotatably connected to the desktop (4), two traction ropes (95) are fixed on the outer peripheral surface of the adjusting rod (94), the two traction ropes (95) are fixedly connected with two fixing rods (93) respectively, a driving assembly for driving the adjusting rod (94) to rotate is arranged on the desktop (4), and a fixing assembly for locking the adjusting rod (94) is arranged on the desktop (4).

7. A lifting platform for adapting to complex terrains according to claim 6, wherein: fixed subassembly is including being fixed in ratchet (97) of adjusting pole (94) outer peripheral face, desktop (4) top is fixed with locating lever (98), locating lever (98) outer peripheral face rotates and is connected with pawl (981) with ratchet (97) meshing, the cover is equipped with torsional spring (982) on locating lever (98), torsional spring (982) one end and pawl (981) fixed connection, torsional spring (982) the other end and desktop (4) fixed connection.

8. A complex terrain adapted lifting platform as claimed in claim 7, wherein: and a pull rod (96) is fixed at one end of the pawl (981) far away from the ratchet wheel (97).