CN201932874U

CN201932874U - Portable and movable jack capable of lifting from ground plane

Info

Publication number: CN201932874U
Application number: CN2010205200340U
Authority: CN
Inventors: 姜兴宇; 张秀红; 曹辉; 孙学雁
Original assignee: Shenyang University of Technology
Current assignee: Shenyang University of Technology
Priority date: 2010-09-08
Filing date: 2010-09-08
Publication date: 2011-08-17
Anticipated expiration: 2020-09-08

Abstract

The utility model discloses a portable and movable jack capable of lifting from the ground plane, which is convenient to carry and has the functions of hoisting, lifting an object on the ground plane and moving. On the basis of a jack technology, machine parts for supporting and lifting heavy objects are arranged as object supporting wheels which can rotate to facilitate the movement of the heavy objects; with the steering change of the two object supporting wheels, the heavy objects supported by the object supporting wheels can move in all round; and in a mechanism capable of lifting from the ground plane, which is arranged on the portable and movable jack, the heavy objects on the ground plane are pried by adopting a prying shovel and are transported to the object supporting wheels for hoisting and moving. The whole device is provided with a framework part, a hoisting mechanism, the mechanism capable of lifting from the ground plane and a moving mechanism. The portable and movable jack has the beneficial effects the heavy objects on the ground plane can be jacked and can be conveniently moved and rotated, and thus the lifting from the ground plane, the hoisting and the movement of the heavy objects can be realized; and the portable and movable jack is convenient to operate and carry. In the current engineering repair, installation and detection, particularly in the rescue, emergency and fault elimination of accidents or disaster fields, the portable and movable jack has higher practical application value.

Description

Portable ground level lifts removable jack

Affiliated technical field

The utility model relates to a kind of lifting device that transports goods, and especially can be convenient for carrying, and the portable ground level that can the weight on ground level lifts and move lifts removable jack.

Background technology

The utility model is to prior art---jack carries out innovation transformation, the jack technology can only will have the weight jack-up of certain altitude apart from ground at present, weight can not be moved, and in current engineering repair, installation and detection, the weight jack-up on the ground level also need be needed weight is moved or rotates towards an orientation, especially rescue in accident or disaster-stricken scene, speedily carry out rescue work, in row's barrier, prior art can not address the above problem.

Summary of the invention

In order to solve the deficiencies in the prior art, the utility model provides a kind of and is convenient for carrying, and the portable ground level that can will the weight on ground level lift and move lifts removable jack.

The technical scheme that its technical matters that solves the utility model adopts is: whole device is made as frame part, hoist mechanism, ground level lifting mechanism and travel mechanism, and integral body is symmetrical structure, and parts also are symmetrically distributed; Be provided with two stay bearing plates that shape is identical in the frame part, two stay bearing plates and shifting axle, axis, shovel axle are captiveed joint by threaded connector with big wheel shaft and are integral, big wheel shaft two ends respectively are set with a big land wheel, and the outside, the two stay bearing plate left sides is symmetrically installed with little land wheel; Big land wheel and little land wheel can drive whole device and move with weight when the jack-up weight.In the hoist mechanism, oil cylinder is installed on the shifting axle, and oil cylinder top is provided with small piston rod and support, and support is hinged by jack shaft and lifting pole socket, can insert lever in the lifting pole socket left end, lifting pole socket lower end is hinged by depression bar and small piston rod, is provided with the big piston bar in the oil cylinder, and big piston bar right-hand member is hinged by the lower end of pivot shaft and crane arm, the crane arm upper end is installed on the axis, the crane arm right-hand member is equipped with support thing axle, and support thing axle two ends symmetry is set with support thing wheel, holds up weight by the support of support thing wheel; Lever can fluctuate, the drive small piston rod moves up and down, and according to pascal's principle, the big piston in the oil cylinder is subjected to the oil pressure effect by the pivot shaft that promotes big piston bar right-hand member crane arm to be rotated, the support thing axle and the wheel of the support thing on it that drive on the crane arm rise, with weight jack-up.In the ground level lifting mechanism, being provided with a sled shovel sky is enclosed within the middle of the shovel axle, sled shovel left part is a sled shovel head, be used for supportting and hold up weight, sled shovel bottom is provided with groove, places pitman shaft in the groove, and pitman shaft can rotate in groove, hinged two the identical connecting rods in pitman shaft two ends, the upper end of two connecting rods is hinged with support thing axle.During work, to prize the shovel head and insert the weight bottom, starting hoist mechanism rotates crane arm, support thing axle on it rises, driving two connecting rods and pitman shaft rises, pitman shaft pulling sled shovel lifts weight and be transplanted on the support thing wheel by the sled shovel around sled axle left-hand revolution, continues the jacking weight by support thing wheel.At this moment, the opening of sled shovel groove up, pitman shaft can be deviate from from groove, continues to rise with support thing axle.In the travel mechanism, be provided with the separate and symmetrical chain drive of two covers, in each chain drive, left sprocket wheel is installed on shifting axle, is set with middle sprocket on the axis, be set with right sprocket wheel on the support thing axle on the crane arm, right sprocket wheel is captiveed joint with support thing wheel, also can be one, and middle sprocket is a duplicate sprocket, left side sprocket wheel is connected by left chain with middle sprocket, and middle sprocket is connected by right chain with right sprocket wheel; Left side sprocket wheel is captiveed joint with reversible ratcheting tool, controls the hand of rotation of left sprocket wheel by the commutation shifting block on the reversible ratcheting tool, is provided with ratchet, commutation shifting block, rotating shaft and opening in the reversible ratcheting tool, and the shifting block sky that commutates is enclosed within the rotating shaft, which is provided with ratchet; The commutation shifting block is provided with three positions, upper, middle and lower, may command ratchet cw, two-way, left-hand revolution; Two reversible ratcheting tools are linked together by a mobile pole socket; Can drive left sprocket wheel rotation with shaking reversible ratcheting tool on hand down, driving support thing wheel by the two-stage chain-driving rotates, owing to independently control the hand of rotation of left sprocket wheel in two chain drives by the commutation shifting block on the reversible ratcheting tool separately, thereby the hand of rotation of two support thing wheels or in the same way or on the contrary drags weight or moves or rotate.For prevent to move and when rotating weight big land wheel and little land wheel rotate, need before the moving heavy object to pin motionless with lock wheel screw big land wheel.

The beneficial effects of the utility model are, can be with the weight jack-up on the ground level, and weight can easily be moved and rotates, realize that ground level lifts, lifting, moving heavy object, and simple operation, easy to carry.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is a front view, is the B-B cutaway view of Fig. 2.

Fig. 2 is a birds-eye view, is the A-A cutaway view of Fig. 1.

Fig. 3 is the C-C part sectional view of Fig. 2.

Fig. 4 is the D-D part sectional view of Fig. 2.

Fig. 5 is the E-E part sectional view of Fig. 2.

Fig. 6 is the F-F part sectional view of Fig. 1.

Fig. 7 is the cutaway view of embodiment that weight on the ground level is lifted and transfers, and slice location is the C-C of Fig. 2.

Fig. 8 is the cutaway view that weight jack-up is moved embodiment, and slice location is the B-B of Fig. 2.

1. levers among the figure, 2. lifting pole socket, 3. depression bar, 4. jack shaft, 5. support, 6. left chain, 7. middle sprocket, 8. axis, 9. right chain 10. supports the thing axle, 11. right sprocket wheels, 12. support things wheels, 13. big wheel shaft, 14. big land wheels, 15. hub brakes, 16. lock frame plates, 17. lock wheel screw, 18. crane arms, 19. pivot shafts, 20. big piston bars, 21. oil cylinder, 22. little wheel carriers, 23. little land wheels, 24. little wheel shafts, 25. left sprocket wheel, 26. shifting axles, 27. commutation shifting blocks, 28. reversible ratcheting tools, 29. mobile pole socket, 30. small piston rods, 31. stay bearing plates, 32. rotating shafts, 33. opening, 34. ratchets, 35. sled shovels, 36. connecting rod, 37. grooves, 38. pitman shafts, 39. shovel axles.

The specific embodiment

In Fig. 1 to Fig. 6, represent the contexture of whole device and being connected and the position relation of parts.Whole device comprises frame part, hoist mechanism, ground level lifting mechanism and travel mechanism, and integral body is symmetrical structure, and parts also are symmetrically distributed substantially.Having two identical stay bearing plates (31) to be captiveed joint by threaded connector with big wheel shaft (13) with shifting axle (26), axis (8), shovel axle (39) in the frame part is integral, big wheel shaft (13) two ends respectively are set with big land wheel (14), the outside, two stay bearing plates (31) left side is symmetrically installed with little wheel carrier (22), little wheel carrier (22) is provided with little wheel shaft (24), is set with little land wheel (23) on the little wheel shaft (24).In the hoist mechanism, oil cylinder (21) is installed on the shifting axle (26), oil cylinder (21) top is provided with small piston rod (30) and support (5), support (5) is hinged by jack shaft (4) and lifting pole socket (2), can insert lever (1) in lifting pole socket (2) left end, lifting pole socket (2) lower end is hinged by depression bar (3) and small piston rod (30), lever (1) can drive lifting pole socket (2) and swing up and down around jack shaft (4), driving small piston rod (30) pumps in oil cylinder (21), be provided with big piston and big piston bar (20) in the oil cylinder (21), big piston bar (20) can be gone up flexible at oil cylinder (21), big piston bar (20) right-hand member is hinged with the lower end of crane arm (18) by pivot shaft (19), crane arm (18) upper end is installed on the axis (8), and can rotate around axis (8), crane arm (18) right-hand member is equipped with support thing axle (10), and support thing axle (10) two ends symmetry is set with support thing wheel (12), holds up weight by support thing wheel (12) support.In the ground level lifting mechanism, being provided with sled shovel (a 35) sky is enclosed within the middle of the shovel axle (39), sled shovel (35) right part is a sled shovel head, be used for supportting and hold up weight, sled shovel (35) bottom is provided with groove (37), places pitman shaft (38) in the groove (37), and pitman shaft (38) can rotate in groove (37), hinged two the identical connecting rods in pitman shaft (38) two ends (36), the upper end of two connecting rods (36) is hinged with support thing axle (10).In the travel mechanism, be provided with the separate and symmetrical chain drive of two covers, in each chain drive, left sprocket wheel (25) is installed on shifting axle (26), be set with middle sprocket (7) on the axis (8), be set with right sprocket wheel (11) on the support thing axle (10) on the crane arm (18), right sprocket wheel (11) is captiveed joint with support thing wheel (12), it also can be one, middle sprocket (7) is a duplicate sprocket, left side sprocket wheel (25) is connected by left chain (6) with middle sprocket (7), and middle sprocket (7) is connected by right chain (9) with right sprocket wheel (11); Left side sprocket wheel (25) is captiveed joint with reversible ratcheting tool (28), control the hand of rotation of left sprocket wheel (25) by the commutation shifting block (27) on the reversible ratcheting tool (28), be provided with ratchet (34), commutation shifting block (27), rotating shaft (32) and opening (33) in the reversible ratcheting tool (28), commutation shifting block (27) sky is enclosed within the rotating shaft (32), which is provided with ratchet; Commutation shifting block (27) is provided with three positions, upper, middle and lower, may command ratchet (34) cw, two-way, left-hand revolution; Two reversible ratcheting tools (28) are linked together by a mobile pole socket (29), can insert lever (1) in the mobile pole socket (29), can drive left sprocket wheel (25) rotation with shaking lever (1) on hand down, driving support thing wheel (12) by the two-stage chain-driving rotates, since in two chain drives by the hand of rotation of the independent left sprocket wheel of control of commutation shifting block (27) (25) on the reversible ratcheting tool (28) separately, thereby the hand of rotation of two support thing wheels (12) is identical or opposite, thereby drag weight or mobile or rotation, realize comprehensive moving heavy object.For preventing to move and big land wheel (14) and little land wheel (23) rotation when rotating weight, on the big wheel shaft (13) in big land wheel (14) outside, lock frame plate (16) is installed, the other end of lock frame plate (16) is connected on the stay bearing plate (31) by screw retention, go up by the lock wheel screw (17) that has been threaded at lock frame plate (16), vertical and big land wheel (14) outer rim of aliging of lock wheel screw (17), the right-hand member of lock wheel screw (17) is fixedly connected with hub brake (15).

Fig. 7 is the cutaway view of embodiment that weight on the ground level is lifted and transfers, during work, to prize the shovel head and insert the weight bottom, starting hoist mechanism rotates crane arm (18), support thing axle (10) on it rises, and drives two connecting rods (36) and pitman shaft (38) and rises, and pitman shaft (38) pulling sled shovel (35) is around sled axle left-hand revolution, weight is lifted and is transplanted on the support thing wheel (12) by sled shovel (35), continue the jacking weight by support thing wheel (12).At this moment, the opening of sled shovel groove (37) up, pitman shaft (38) can be deviate from from groove (37), continues to rise with support thing axle (10).

Fig. 8 moves cutaway view with rotation embodiment with weight jack-up, when the jacking weight, support thing wheel of the present utility model (12) is aimed at the below of weight, lever (1) inserts in the lifting pole socket (2), with shaking lever (1) on hand down, driving lifting pole socket (2) swings up and down around jack shaft (4), driving small piston rod (30) by the depression bar (3) on the lifting pole socket (2) moves up and down, according to pascal's principle, big piston in the oil cylinder (21) is moved right by oil pressure effect promotion big piston bar (20), promoting crane arm (18) by pivot shaft (19) rotates counterclockwise around axis (8), driving support thing axle (10) rises, support thing wheel (12) near and contact weight, take turns (12) and constantly rise weight along with supportting thing by jack-up.Need to move or when rotating weight, at first, the lock wheel screw (17) on the rotation lock frame plate (16) makes the hub brake (15) of lock wheel screw (17) right-hand member be close to big land wheel (14), can not rotate thereby pin big land wheel (14).Afterwards, lever (1) is inserted in the mobile pole socket (29), move two commutation shifting blocks (27) to weight being moved or the position of hand of rotation, with shaking lever (1) on hand down, driving mobile pole socket (29) swings up and down around shifting axle (26), driving left sprocket wheel (25) by the ratchet (34) on two reversible ratcheting tools (28) rotates, driving middle sprocket (7) by left chain (6) rotates, driving right sprocket wheel (11) by right chain (9) again rotates, right sprocket wheel (11) drives support thing wheel (12) and rotates, and moves or rotates thereby drag weight.By adjusting each three position of two commutation shifting blocks (27), make its various combination, can reach weight sway and cw or left-hand revolution, thus comprehensive moving heavy object.

Claims

1. a portable ground level lifts removable jack, comprises frame part, hoist mechanism, ground level lifting mechanism and travel mechanism, and integral body is symmetrical structure, and parts also are symmetrically distributed; Be provided with two stay bearing plates that shape is identical in the frame part, two stay bearing plates and shifting axle, axis, shovel axle are captiveed joint by threaded connector with big wheel shaft and are integral, big wheel shaft two ends respectively are set with a big land wheel, and the outside, the two stay bearing plate left sides is symmetrically installed with little land wheel; In the hoist mechanism, oil cylinder is installed on the shifting axle, oil cylinder top is provided with small piston rod and support, support is hinged by jack shaft and lifting pole socket, can insert lever in the lifting pole socket left end, lifting pole socket lower end is hinged by depression bar and small piston rod, be provided with the big piston bar in the oil cylinder, big piston bar right-hand member is hinged by the lower end of pivot shaft and crane arm, the crane arm upper end is installed on the axis, and the crane arm right-hand member is equipped with support thing axle, it is characterized in that: in the described hoist mechanism, support thing axle two ends symmetry is set with support thing wheel, holds up weight by the support of support thing wheel; In the described ground level lifting mechanism, be provided with a sled shovel sky and be enclosed within the middle of the shovel axle, sled shovel left part is a sled shovel head, and sled shovel bottom is provided with groove, places pitman shaft in the groove, hinged two the identical connecting rods in pitman shaft two ends, and the upper end of two connecting rods is hinged with support thing axle; In the described travel mechanism, be provided with the separate and symmetrical chain drive of two covers, in each chain drive, left sprocket wheel is installed on shifting axle, is set with middle sprocket on the axis, be set with right sprocket wheel on the support thing axle on the crane arm, right sprocket wheel is captiveed joint with support thing wheel, also can be one, and middle sprocket is a duplicate sprocket, left side sprocket wheel is connected by left chain with middle sprocket, and middle sprocket is connected by right chain with right sprocket wheel; Left side sprocket wheel is captiveed joint with reversible ratcheting tool, controls the hand of rotation of left sprocket wheel by the commutation shifting block on the reversible ratcheting tool, is provided with ratchet, commutation shifting block, rotating shaft and opening in the reversible ratcheting tool, and the shifting block sky that commutates is enclosed within the rotating shaft, which is provided with ratchet; The commutation shifting block is provided with three positions, upper, middle and lower; Two reversible ratcheting tools are linked together by a mobile pole socket; On the big wheel shaft in the big land wheel outside, the lock frame plate is installed, the other end of lock frame plate is connected on the stay bearing plate by screw retention, by the lock wheel screw that has been threaded, lock is taken turns the vertical and big land wheel outer rim of aliging of screw on the lock frame plate, and the right-hand member of lock wheel screw is fixedly connected with hub brake.