CN116495670A - Linkage type single-cylinder jacking machine - Google Patents
Linkage type single-cylinder jacking machine Download PDFInfo
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- CN116495670A CN116495670A CN202310787525.3A CN202310787525A CN116495670A CN 116495670 A CN116495670 A CN 116495670A CN 202310787525 A CN202310787525 A CN 202310787525A CN 116495670 A CN116495670 A CN 116495670A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 9
- 230000001174 ascending effect Effects 0.000 abstract 1
- 230000007246 mechanism Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 4
- 230000009194 climbing Effects 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
- B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to the field of cylinder jacking, in particular to a linkage type single-cylinder jacking machine, which comprises a base and a jacking device, wherein the base is provided with a lifting device; the tail part of the first linear driver is hinged on the base; the two lifting plates are symmetrically arranged at the upper part of the base along the length direction of the base; the triangular plates are four, two triangular plates are respectively arranged on two sides of each lifting plate, and one corner side part of each triangular plate is hinged with the base; the first transmission assembly is arranged on one of the other two corners of the triangular plate; the cross rod is arranged at the upper part of the base close to one side of the output end of the first linear driver along the width direction of the base, and two ends of the cross rod are fixedly connected with the left corners of triangular plates positioned at two sides of the base respectively; the safety device is arranged on one side of the triangular plate far away from the base; the two connecting rods are symmetrically arranged in the length direction of the base, and the two ends of the connecting rods are respectively hinged with the homonymies of the two triangular plates positioned on the same side, so that the four corners of the jack can be synchronous when ascending, and meanwhile, the cost is reduced.
Description
Technical Field
The invention relates to the field of cylinder jacking, in particular to a linkage type single-cylinder jacking machine.
Background
In the automation industry, and in particular in the nonstandard equipment industry, a cylinder lift mechanism is required, and the lift stroke of the cylinder lift mechanism tends to be used in a plurality of positions. Such as the transmission offline test industry. Because each device may correspond to different kinds of products, the corresponding test positions also need different test heights, so that multiple strokes are needed for the lifting mechanism using the air cylinder to meet the requirements of various products.
Chinese patent CN215287839U discloses a cylinder lifting mechanism capable of realizing multiple positions, which is used for transmission offline test, and comprises: the device comprises a first cylinder propulsion mechanism, a second cylinder propulsion mechanism and a third cylinder propulsion mechanism, wherein the first cylinder propulsion mechanism and the second cylinder propulsion mechanism are arranged in series in a propulsion action manner, and station adaptation of an initial position, a testing position and a butt joint position in a testing process is established through action coordination of the first cylinder propulsion mechanism and the second cylinder propulsion mechanism; the third cylinder propelling mechanism is used for carrying out reinforcement adjustment on the established butt joint position, and accordingly suitability adjustment on products to be tested with different heights is formed.
The scheme can adjust the suitability of products to be tested at different heights, but has higher cost, and when the simple jacking work is carried out, in the prior art, the cylinder jacking machine is mainly provided with a single cylinder and a double cylinder, the single cylinder is required to be provided with a synchronous lifter, the manufacturing cost is high, but the four corners are synchronous, the double cylinder is not required to be provided with the synchronous lifter, the manufacturing cost is low, but the four corners are poor in synchronism, and the falling condition is easy to occur when the cylinder fails, so that the safety accident is caused.
Disclosure of Invention
To above-mentioned problem, provide a single cylinder climbing machine of interlock formula, first linear drive starts the back, first linear drive's output shaft stretches out, first linear drive's output promotes the horizontal pole, the junction of horizontal pole and set-square is rotated around the articulated department of set-square and base, first drive assembly who sets up in set-square one side can drive the lifter plate and go up and down, after the set-square takes place to rotate, first drive assembly just can drive the lifter plate and go up and down, be provided with safety device in one side of set-square simultaneously, safety device can reduce first linear drive's load in the lift pressurize in-process, can guarantee simultaneously that the lifter plate also can not take place the condition of falling down fast even when first linear drive takes place to become invalid, the connecting rod that sets up between two set-square of homonymy can guarantee two set-square synchronous rotation, and then guaranteed that the both ends of lifter plate go up and down in step all the time, simultaneously owing to having set up the horizontal pole, guaranteed that two lifter plates that are located the base both sides can realize going up and down in step up in step, so can make four angles of climbing machine synchronous when rising, simultaneously, the cost has been reduced.
In order to solve the problems in the prior art, the linkage type single-cylinder jacking machine comprises a base and a jacking device; the jacking device comprises a first linear driver, a triangular plate, a cross rod, a first transmission assembly, a lifting plate, a safety device and a connecting rod; the tail part of the first linear driver is hinged on the base; the two lifting plates are symmetrically arranged at the upper part of the base along the length direction of the base, and can move along the height direction of the base; the triangular plates are four, two triangular plates are respectively arranged on two sides of each lifting plate, one corner side part of each triangular plate is hinged with the base, and each triangular plate is used for lifting the lifting plate; the first transmission assembly is arranged on one of the other two corners of the triangular plate, and the triangular plate drives the lifting plate to lift through the first transmission assembly; the cross rod is arranged on the upper part of the base close to one side of the output end of the first linear driver along the width direction of the base, two ends of the cross rod are fixedly connected with the left corners of triangular plates positioned on two sides of the base respectively, and the output end of the first linear driver is hinged with the cross rod; the safety device is arranged on one side of the triangular plate far away from the base, and can prevent the lifting plate from falling; the connecting rod is provided with two, and two connecting rods are arranged symmetrically about the length direction of the base, and the both ends of connecting rod are articulated with the homonymy of two triangular plates that are located the homonymy respectively.
Preferably, the first transmission assembly comprises a projecting wheel and a guide slot; the protruding wheel is arranged on one corner of the triangular plate at one side of the triangular plate far away from the base, and is always contacted with the bottom of the lifting plate; the guide slot is fixedly arranged at the lower part of the lifting plate and is in sliding fit with the protruding wheel.
Preferably, the safety device comprises a clamping block, a pushing device, a first gear, a triggering device, a clamping device and a second transmission assembly; the first gear is fixedly arranged on one side of the triangle, which is far away from the base, along the axis of the hinge joint of the triangle and the base, and teeth on the first gear are unidirectional teeth; the clamping block is arranged on one side of the first gear and is matched with the first gear in a clamping way; the pushing device is arranged on one side of the clamping block, which is far away from the first gear, and is used for pushing the clamping block to be close to or far away from the first gear; the triggering device is arranged on one side of the first gear, the triggering device can monitor that the rotating speed of the first gear is too high, and a controller is arranged on one side of the triggering device; the clamping device is arranged at the periphery of the first gear, the first gear can be clamped by the clamping device, and the triggering device controls the clamping device to operate through the controller; two ends of the second transmission component are respectively connected with the first gear and the triggering device.
Preferably, the pushing device comprises a second linear driver, a fixed seat and a pushing seat; the fixed seat is fixedly arranged on the side wall of the base; the second linear driver is fixedly arranged on the fixed seat along the length direction of the base; the pushing seat is fixedly arranged at the output end of the second linear driver, and can push the clamping block to approach or depart from the first gear.
Preferably, the pushing device further comprises an extension rod and a spring; the extension rod is fixedly arranged at one end, far away from the first gear, of the clamping block along the length direction of the clamping block, penetrates through the pushing seat and is in sliding fit with the pushing seat; a gap is reserved between the pushing seat and the clamping block, and the spring is arranged in the gap along the axis of the extension rod.
Preferably, the triggering device comprises a rotating disc, a sliding rod, a first weight, a second weight and a triggering rod; the rotating disc is arranged on one side of the first gear, and the first gear can drive the rotating disc to rotate; the rotating disc is provided with a sliding groove in a penetrating manner along the radial direction of the rotating disc, the sliding rod is arranged in the sliding groove in a sliding manner, and the length of the sliding rod is longer than that of the sliding groove; the first weight is fixedly arranged at one end of the sliding rod; the second weight is fixedly arranged at the end part of the sliding rod far away from the first weight, and the weight of the second weight is larger than that of the first weight; the trigger lever is arranged on the upper part of the rotating disc, and the farthest linear distance between the trigger lever and the rotating disc is smaller than or equal to the length of the sliding lever.
Preferably, the second transmission assembly comprises a second gear and a third gear; the second gear is fixedly arranged on the side wall of the second gear far away from the base along the axis of the first gear; the third gear is arranged on one side of the second gear, the diameter of the second gear is larger than that of the third gear, and the axis of the third gear is collinear with the axis of the rotating disc.
Preferably, the locking device comprises a pump body, a shell and a locking block; the shell is of an arc-shaped structure, the shell is arranged on the periphery of the first gear around the axis of the first gear, and a clamping groove is formed in the inner side of the shell; the clamping block is arranged in the clamping groove in a sliding manner; the pump body sets up in one side of casing, and the casing can be to the card dead inslot air feed.
Preferably, the pushing device further comprises a first guide rod; the first guide rod is arranged on one side of the second linear driver along the axis of the output shaft of the second linear driver, penetrates through the pushing seat and is in sliding fit with the pushing seat.
Preferably, the jacking device further comprises a guide assembly, wherein the guide assembly comprises a second guide rod and an extension block; the second guide rod is arranged on one side of the base along the height direction of the base and is fixedly connected with the lifting plate; the extension piece is fixed to be set up on the lateral wall of base, and second guide bar and extension piece sliding fit.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the first linear driver, the triangular plates, the cross bars, the first transmission component, the lifting plates, the safety device and the connecting rods are arranged, the output shafts of the first linear driver extend out after the first linear driver is started, the cross bars are pushed by the output ends of the first linear driver, the connecting parts of the cross bars and the triangular plates rotate around the hinging parts of the triangular plates and the base, the first transmission component arranged on one side of the triangular plates can drive the lifting plates to lift, after the triangular plates rotate, the first transmission component can drive the lifting plates to lift, meanwhile, the safety device is arranged on one side of the triangular plates, the load of the first linear driver in the lifting and pressure maintaining process can be reduced, the condition that the lifting plates do not fall rapidly can be guaranteed even when the first linear driver fails can be guaranteed, the connecting rods arranged between the two triangular plates on the same side can guarantee synchronous rotation of the two triangular plates, and further guarantee synchronous lifting of the two ends of the lifting plates to lift synchronously.
Drawings
Fig. 1 is a schematic perspective view of a linkage type single cylinder jack.
Fig. 2 is a schematic perspective view of a single cylinder jack.
Fig. 3 is a schematic perspective view of a linkage type single cylinder jack with a part of the lifting plate removed.
Fig. 4 is an enlarged partial schematic view of the interlocked single cylinder jack at a in fig. 3.
Fig. 5 is a schematic perspective view of a linked single cylinder jack with the lifter plate, first linear drive, partial triangle, cross bar and partial base removed.
Fig. 6 is an enlarged partial schematic view of the interlocked single cylinder jack at B in fig. 5.
Fig. 7 is a perspective view of a linked single cylinder jack with the lifter plate, first linear drive, partial triangle, cross bar connecting rod, guide assembly and base removed.
Fig. 8 is a perspective view of a linkage type single cylinder jack with the second transmission assembly, lifter plate, first linear drive, partial triangle, cross bar connecting rod, guide assembly and base removed.
Fig. 9 is a perspective view of a linkage type single cylinder jack with the second transmission assembly, lifter plate, first linear drive, triangle, cross bar connecting rod, guide assembly and base removed.
Fig. 10 is an enlarged partial schematic view of the interlocked single cylinder jack at C in fig. 9.
The reference numerals in the figures are:
1-a base; 2-jacking device; 21-a first linear drive; 22-triangle; 23-cross bar; 24-a first transmission assembly; 241-projecting wheel; 242-guide slots; 25-lifting plates; 26-a safety device; 261-clamping blocks; 262-pushing device; 2621-a second linear drive; 2622-a second holder; 2623-push base; 2624-extension rod; 2625-spring; 2626—a first guide bar; 263-first gear; 264-triggering means; 2641-rotating disk; 2642-sliding bar; 2643-first weight; 2644-a second weight; 2645-a trigger lever; 265-locking device; 2651-pump body; 2652-housing; 2653-locking blocks; 266-a second transmission assembly; 2661-a second gear; 2662-third gear; 27-connecting rods; 28-a guide assembly; 281-a second guide bar; 282-extension block.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1: a linkage type single-cylinder jacking machine comprises a base 1 and a jacking device 2; the jacking device 2 comprises a first linear driver 21, a triangular plate 22, a cross rod 23, a first transmission assembly 24, a lifting plate 25, a safety device 26 and a connecting rod 27; the tail part of the first linear driver 21 is hinged on the base 1; the two lifting plates 25 are symmetrically arranged at the upper part of the base 1 with respect to the length direction of the base 1, and the lifting plates 25 can move along the height direction of the base 1; the triangular plates 22 are four, two triangular plates 22 are respectively arranged on two sides of each lifting plate 25, one corner side part of each triangular plate 22 is hinged with the base 1, and each triangular plate 22 is used for lifting the lifting plate 25; the first transmission assembly 24 is arranged on one of the other two corners of the triangular plate 22, and the triangular plate 22 drives the lifting plate 25 to lift through the first transmission assembly 24; the cross rod 23 is arranged at the upper part of the base 1 near one side of the output end of the first linear driver 21 along the width direction of the base 1, two ends of the cross rod 23 are fixedly connected with the left corners of the triangular plates 22 positioned at two sides of the base 1 respectively, and the output end of the first linear driver 21 is hinged with the cross rod 23; the safety device 26 is arranged on one side of the triangle 22 away from the base 1, and the safety device 26 can prevent the lifting plate 25 from falling; the two connecting rods 27 are symmetrically arranged in the length direction of the base 1, and two ends of the connecting rods 27 are hinged with the same angles of the two triangular plates 22 positioned on the same side respectively.
After the first linear driver 21 is started, the output shaft of the first linear driver 21 stretches out, the output end of the first linear driver 21 pushes the cross rod 23, the included angle between the length direction of the first linear driver 21 and the length direction of the base 1 gradually becomes larger, the joint of the cross rod 23 and the triangular plate 22 rotates around the joint of the triangular plate 22 and the base 1, the height of the joint of the cross rod 23 and the triangular plate 22 gradually rises, the first transmission assembly 24 arranged on one side of the triangular plate 22 can drive the lifting plate 25 to lift, after the triangular plate 22 rotates, the first transmission assembly 24 can drive the lifting plate 25 to lift, meanwhile, the safety device 26 is arranged on one side of the triangular plate 22, the load of the first linear driver 21 in the lifting pressure maintaining process can be reduced, the situation that the lifting plate 25 does not drop rapidly can not occur even when the first linear driver 21 fails can be guaranteed, the connecting rods 27 arranged between the two triangular plates 22 on the same side can guarantee synchronous rotation of the two triangular plates 22, further guarantee that the two triangular plates 22 always synchronously lift, the two ends of the lifting plate 25 can synchronously lift, and the two lifting plates 23 can synchronously lift up and down when the two lifting plates are arranged on two sides of the base 1, and the lifting plates can synchronously lift up and down due to the fact that the two lifting plates are simultaneously can be realized.
Referring to fig. 1-3: the first transmission assembly 24 includes a cam 241 and a guide slot 242; the protruding wheel 241 is arranged on one corner of the triangular plate 22 at one side of the triangular plate 22 far away from the base 1, and the protruding wheel 241 is always contacted with the bottom of the lifting plate 25; the guide groove 242 is fixedly provided at the lower portion of the elevation plate 25, and the guide groove 242 is slidably engaged with the protruding wheel 241.
After the first linear driver 21 is started, the first linear driver 21 drives the triangle 22 to rotate through the cross rod 23, the triangle 22 is matched with the guide groove 242 arranged at the lower part of the lifting plate 25 through the protruding wheel 241 arranged at one side of the triangle 22, so that the protruding wheel 241 can lift the lifting plate 25 to lift or descend when being driven by the triangle 22 to rotate and lift around the hinge of the triangle 22 and the base 1, and meanwhile, the protruding wheel 241 is arranged in the guide groove 242 to ensure the stability of the protruding wheel 241 when lifting the lifting plate 25.
Referring to fig. 1, 5, 7 and 8: the safety device 26 comprises a clamping block 261, a pushing device 262, a first gear 263, a triggering device 264, a clamping device 265 and a second transmission assembly 266; the first gear 263 is fixedly arranged on one side of the triangle 22 far away from the base 1 along the axis of the hinge joint of the triangle 22 and the base 1, and the teeth on the first gear 263 are unidirectional teeth; the clamping block 261 is arranged on one side of the first gear 263, and the clamping block 261 is matched with the first gear 263 in a clamping way; the pushing device 262 is disposed at a side of the clamping block 261 away from the first gear 263, and the pushing device 262 is used for pushing the clamping block 261 to approach or separate from the first gear 263; the triggering device 264 is arranged on one side of the first gear 263, the triggering device 264 can monitor that the rotating speed of the first gear 263 is too high, and a controller is arranged on one side of the triggering device 264; the locking device 265 is arranged at the periphery of the first gear 263, the locking device 265 can lock the first gear 263, and the triggering device 264 controls the locking device 265 to operate through the controller; both ends of the second transmission assembly 266 are connected to the first gear 263 and the triggering device 264, respectively.
Because the axis of the first gear 263 is collinear with the axis of the hinge joint of the triangle 22 and the base 1, when the triangle 22 rotates, the first gear 263 rotates synchronously with the triangle 22, the teeth of the first gear 263 are unidirectional teeth, when the lifting plate 25 ascends, the first gear 263 can rotate relatively, but when the lifting plate 25 wants to descend, the clamping block 261 can clamp the first gear 263, during the descending process, when the first linear driver 21 fails, the triggering device 264 can monitor that the rotating speed of the first gear 263 rises rapidly, the triggering device 264 is started by the controller controlling the clamping device 265, the rotating first gear 263 is clamped rapidly after the clamping device 265 is started, and the second transmission assembly 266 arranged between the first gear 263 and the triggering device 264 can transmit the rotating force of the first gear 263 to the triggering device 264.
Referring to fig. 7 and 8: the pushing device 262 includes a second linear driver 2621, a fixed seat, and a pushing seat 2623; the fixed seat is fixedly arranged on the side wall of the base 1; the second linear driver 2621 is fixedly arranged on the fixed seat along the length direction of the base 1; the pushing seat 2623 is fixedly disposed on the output end of the second linear driver 2621, and the pushing seat 2623 can push the clamping block 261 to approach or separate from the first gear 263.
When the first linear driver 21 is started, the second linear driver 2621 is started synchronously, the output end of the second linear driver 2621 stretches out, the pushing seat 2623 arranged on the output end of the second linear driver 2621 moves along with the output end of the second linear driver 2621, the pushing seat 2623 slides relatively on the fixed seat, the pushing seat 2623 can push the clamping block 261 to approach the first gear 263 when sliding, after the clamping block 261 contacts with the first gear 263, the second linear driver 2621 stops running, and as the teeth on the first gear 263 are unidirectional teeth, when the first linear driver 21 drives the lifting plate 25 to lift, the first gear 263 can rotate, but when the first linear driver 21 fails, the first gear 263 reversely rotates under the gravity action of the lifting plate 25, and at the moment, the clamping block 261 is clamped with the first gear 263.
Referring to fig. 8: the pushing device 262 further includes an extension rod 2624 and a spring 2625; the extension rod 2624 is fixedly arranged at one end of the clamping block 261 far away from the first gear 263 along the length direction of the clamping block 261, the extension rod 2624 penetrates through the pushing seat 2623, and the extension rod 2624 is in sliding fit with the pushing seat 2623; a gap is provided between the push seat 2623 and the catching block 261, and the spring 2625 is disposed in the gap along the axis of the extension rod 2624.
By arranging the extension rod 2624 and the spring 2625, the clamping block 261 can be prevented from being directly contacted with the first gear 263, the impact force of the clamping block 261 on the first gear 263 is prevented from being too large, and in the pushing process of the second linear driver 2621, after the clamping block 261 is contacted with the first gear 263, the spring 2625 compresses, the pressure of the clamping block 261 on the first gear 263 is the same as the compression elasticity of the spring 2625, so that the clamping block 261 is elastically contacted with the first gear 263.
Referring to fig. 7-10: the triggering device 264 includes a rotating disk 2641, a sliding rod 2642, a first weight 2643, a second weight 2644, and a triggering rod 2645; the rotating disc 2641 is arranged on one side of the first gear 263, and the first gear 263 can drive the rotating disc 2641 to rotate; the rotating disc 2641 is provided with a sliding groove in a penetrating manner along the radial direction of the rotating disc 2641, the sliding rod 2642 is arranged in the sliding groove in a sliding manner, and the length of the sliding rod 2642 is longer than that of the sliding groove; the first weight 2643 is fixedly provided at one end of the sliding rod 2642; the second weight 2644 is fixedly disposed at an end of the sliding rod 2642 remote from the first weight 2643, and the weight of the second weight 2644 is greater than the weight of the first weight 2643; the trigger lever 2645 is provided at an upper portion of the rotating disk 2641, and a farthest linear distance of the trigger lever 2645 from the rotating disk 2641 is equal to or less than a length of the slide lever 2642.
The first gear 263 can drive the rotating plate to rotate, because the weight of the second heavy object 2644 is greater than that of the first heavy object 2643, when the second heavy object 2644 is located at the lower part of the rotating plate 2641, the second heavy object 2644 drives the sliding rod 2642 to extend out of the lower part of the rotating plate 2641 under the action of the weight of the second heavy object 2644, when the second heavy object 2644 is located above the rotating plate 2641, the second heavy object 2644 is in contact with the upper part of the rotating plate 2641, one end of the sliding rod 2642, provided with the first heavy object 2643, extends out of the lower part of the rotating plate 2641, when the lifting plate 25 is normally lifted, due to slow speed, the centrifugal force provided by the rotating plate 2641 is insufficient to enable the second heavy object 2644 to extend out of the upper part of the rotating plate 2641 when the second heavy object 2641 is located above the rotating plate 2641, so that the sliding rod 2642 can not trigger the triggering rod 2645, when the lifting plate 25 is suddenly lowered, the rotating speed of the first gear 2641 suddenly increases, the rotating speed of the rotating plate 2644 suddenly can also suddenly rise, the rotating speed of the sliding rod 2641 is suddenly, the second heavy object 2644 is suddenly drops down, the second heavy object 2645 is obtained, the centrifugal force is enough to trigger the sliding rod 2645 is enabled to slide on the upper part of the rotating plate 2641, and then the second heavy object 2645 is triggered, the device is triggered, and the device is triggered by the centrifugal force is enabled to be triggered to be suddenly to be locked by the sliding rod, and the rotating device is enabled to be locked by the device to be capable to be locked to be by the device to be and the device to be lifted.
Referring to fig. 4 and 5: the second transmission assembly 266 includes a second gear 2661 and a third gear 2662; the second gear 2661 is fixedly arranged on the side wall of the second gear 2661 away from the base 1 along the axis of the first gear 263; the third gear 2662 is disposed at one side of the second gear 2661, the diameter of the second gear 2661 is larger than the diameter of the third gear 2662, and the axis of the third gear 2662 is collinear with the axis of the rotating disk 2641.
Since the diameter of the second gear 2661 is larger than the diameter of the third gear 2662, the angular velocity of the third gear 2662 can be larger than the second gear 2661 when the second gear 2661 is rotated, so that the second weight 2644 can obtain a sufficient centrifugal force.
Referring to fig. 7-9: the jamming device 265 includes a pump body 2651, a housing 2652, and a jamming block 2653; the casing 2652 is of an arc-shaped structure, the casing 2652 is arranged on the periphery of the first gear 263 around the axis of the first gear 263, and a clamping groove is formed in the inner side of the casing 2652; the clamping block 2653 is slidably arranged in the clamping groove; the pump 2651 is provided on one side of the housing 2652, and the housing 2652 can supply air into the locking groove.
When the lifting plate 25 descends, the clamping blocks 261 are not clamped with the first gears 263, after the triggering device 264 triggers, the clamping blocks 261 can be clamped with the first gears 263, meanwhile, the pump body 2651 is started, the pump body 2651 supplies gas into the clamping grooves, the clamping blocks 2653 slide out of the clamping grooves, the clamping blocks 2653 are clamped with the rotating first gears 263, and the clamping grooves are provided with a plurality of clamping blocks 2653 and clamping grooves in one-to-one correspondence, so that only one stressed condition of the clamping blocks 261 can be prevented, and the situation that the clamping blocks 261 are broken when being subjected to emergency locking is avoided.
Referring to fig. 8: the pushing device 262 further includes a first guide bar 2626; the first guide rod 2626 is disposed at one side of the second linear actuator 2621 along an axis of the output shaft of the second linear actuator 2621, the first guide rod 2626 penetrates through the push seat 2623, and the first guide rod 2626 is slidably engaged with the push seat 2623.
By providing the first guide rod 2626, the second linear driver 2621 can make the pushing seat 2623 more stable when sliding.
Referring to fig. 2 and 3: the jacking device 2 further comprises a guide assembly 28, the guide assembly 28 comprising a second guide rod 281 and an extension block 282; the second guide rod 281 is arranged at one side of the base 1 along the height direction of the base 1, and the second guide rod 281 is fixedly connected with the lifting plate 25; the extension block 282 is fixedly arranged on the side wall of the base 1, and the second guide rod 281 is in sliding fit with the extension block 282.
By providing the second guide lever 281 and the extension block 282, it is ensured that the lifting plate 25 does not deviate when lifting.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A linkage type single-cylinder jacking machine comprises a base (1) and a jacking device (2);
the lifting device (2) is characterized by comprising a first linear driver (21), a triangular plate (22), a cross rod (23), a first transmission assembly (24), a lifting plate (25), a safety device (26) and a connecting rod (27);
the tail part of the first linear driver (21) is hinged on the base (1);
the two lifting plates (25) are symmetrically arranged at the upper part of the base (1) relative to the length direction of the base (1), and the lifting plates (25) can move along the height direction of the base (1);
the four triangular plates (22) are arranged, two triangular plates (22) are respectively arranged on two sides of each lifting plate (25), one corner side part of each triangular plate (22) is hinged with the base (1), and each triangular plate (22) is used for lifting the lifting plate (25);
the first transmission assembly (24) is arranged on one of the other two corners of the triangular plate (22), and the triangular plate (22) drives the lifting plate (25) to lift through the first transmission assembly (24);
the transverse rod (23) is arranged on the upper part of the base (1) close to one side of the output end of the first linear driver (21) along the width direction of the base (1), two ends of the transverse rod (23) are fixedly connected with the rest corners of triangular plates (22) positioned on two sides of the base (1) respectively, and the output end of the first linear driver (21) is hinged with the transverse rod (23);
the safety device (26) is arranged on one side of the triangular plate (22) far away from the base (1), and the safety device (26) can prevent the lifting plate (25) from falling;
the two connecting rods (27) are arranged, the two connecting rods (27) are symmetrically arranged relative to the length direction of the base (1), and two ends of each connecting rod (27) are hinged with the same angles of the two triangular plates (22) located on the same side respectively.
2. The interlocking single cylinder jack of claim 1, wherein the first transmission assembly (24) includes a nose wheel (241) and a channel (242);
the protruding wheel (241) is arranged on one corner of the triangular plate (22) at one side of the triangular plate (22) far away from the base (1), and the protruding wheel (241) is always contacted with the bottom of the lifting plate (25);
the guide groove (242) is fixedly arranged at the lower part of the lifting plate (25), and the guide groove (242) is in sliding fit with the protruding wheel (241).
3. The interlocking single cylinder jack of claim 1, wherein the safety device (26) comprises a clamping block (261), a pushing device (262), a first gear (263), a triggering device (264), a clamping device (265) and a second transmission assembly (266);
the first gear (263) is fixedly arranged on one side of the triangular plate (22) far away from the base (1) along the axis of the hinge joint of the triangular plate (22) and the base (1), and the teeth on the first gear (263) are unidirectional teeth;
the clamping block (261) is arranged on one side of the first gear (263), and the clamping block (261) is matched with the first gear (263) in a clamping way;
the pushing device (262) is arranged on one side of the clamping block (261) far away from the first gear (263), and the pushing device (262) is used for pushing the clamping block (261) to be close to or far away from the first gear (263);
the triggering device (264) is arranged on one side of the first gear (263), the triggering device (264) can monitor that the rotating speed of the first gear (263) is too high, and a controller is arranged on one side of the triggering device (264);
the clamping device (265) is arranged at the periphery of the first gear (263), the clamping device (265) can clamp the first gear (263), and the triggering device (264) controls the clamping device (265) to operate through the controller;
both ends of the second transmission assembly (266) are respectively connected with the first gear (263) and the triggering device (264).
4. A single cylinder jack in tandem according to claim 3 wherein the pushing means (262) comprises a second linear drive (2621), a fixed seat and a pushing seat (2623);
the fixed seat is fixedly arranged on the side wall of the base (1);
the second linear driver (2621) is fixedly arranged on the fixed seat along the length direction of the base (1);
the pushing seat (2623) is fixedly arranged at the output end of the second linear driver (2621), and the pushing seat (2623) can push the clamping block (261) to approach or separate from the first gear (263).
5. The single cylinder jack of claim 4, wherein the pushing device (262) further comprises an extension rod (2624) and a spring (2625);
the extension rod (2624) is fixedly arranged at one end, far away from the first gear (263), of the clamping block (261) along the length direction of the clamping block (261), the extension rod (2624) penetrates through the pushing seat (2623), and the extension rod (2624) is in sliding fit with the pushing seat (2623);
a gap is reserved between the pushing seat (2623) and the clamping block (261), and the spring (2625) is arranged in the gap along the axis of the extension rod (2624).
6. A single cylinder jack in tandem according to claim 3 wherein the triggering means (264) comprises a rotating disc (2641), a sliding bar (2642), a first weight (2643), a second weight (2644) and a triggering bar (2645);
the rotating disc (2641) is arranged on one side of the first gear (263), and the first gear (263) can drive the rotating disc (2641) to rotate;
a sliding groove is formed in the rotating disc (2641) in a penetrating mode along the radial direction of the rotating disc, a sliding rod (2642) is arranged in the sliding groove in a sliding mode, and the length of the sliding rod (2642) is longer than that of the sliding groove;
the first weight (2643) is fixedly arranged at one end of the sliding rod (2642);
the second weight (2644) is fixedly arranged at the end part of the sliding rod (2642) far away from the first weight (2643), and the weight of the second weight (2644) is larger than that of the first weight (2643);
the trigger lever (2645) is provided on the upper portion of the rotating disk (2641), and the farthest linear distance between the trigger lever (2645) and the rotating disk (2641) is equal to or less than the length of the slide lever (2642).
7. The coupled single cylinder jacking machine of claim 6 wherein the second drive assembly (266) includes a second gear (2661) and a third gear (2662);
the second gear (2661) is fixedly arranged on the side wall of the second gear (2661) far away from the base (1) along the axis of the first gear (263);
the third gear (2662) is arranged on one side of the second gear (2661), the diameter of the second gear (2661) is larger than that of the third gear (2662), and the axis of the third gear (2662) is collinear with the axis of the rotating disc (2641).
8. A single cylinder jack in linkage according to claim 3, characterized in that the seizing means (265) comprise a pump body (2651), a housing (2652) and a seizing block (2653);
the shell (2652) is of an arc-shaped structure, the shell (2652) is arranged on the periphery of the first gear (263) around the axis of the first gear (263), and a clamping groove is formed in the inner side of the shell (2652);
the clamping block (2653) is arranged in the clamping groove in a sliding manner;
the pump body (2651) is arranged on one side of the shell (2652), and the shell (2652) can supply air in the clamping groove.
9. The single cylinder jack of claim 4, wherein the pushing device (262) further comprises a first guide bar (2626);
the first guide rod (2626) is arranged on one side of the second linear driver (2621) along the axis of the output shaft of the second linear driver (2621), the first guide rod (2626) penetrates through the pushing seat (2623), and the first guide rod (2626) is in sliding fit with the pushing seat (2623).
10. The interlocking single cylinder jack of claim 1, wherein the jack device (2) further comprises a guide assembly (28), the guide assembly (28) comprising a second guide rod (281) and an extension block (282);
the second guide rod (281) is arranged on one side of the base (1) along the height direction of the base (1), and the second guide rod (281) is fixedly connected with the lifting plate (25);
the extension block (282) is fixedly arranged on the side wall of the base (1), and the second guide rod (281) is in sliding fit with the extension block (282).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310787525.3A CN116495670B (en) | 2023-06-30 | 2023-06-30 | Linkage type single-cylinder jacking machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310787525.3A CN116495670B (en) | 2023-06-30 | 2023-06-30 | Linkage type single-cylinder jacking machine |
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| CN116495670A true CN116495670A (en) | 2023-07-28 |
| CN116495670B CN116495670B (en) | 2023-08-29 |
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| CN202310787525.3A Active CN116495670B (en) | 2023-06-30 | 2023-06-30 | Linkage type single-cylinder jacking machine |
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| CA2680715A1 (en) * | 2008-10-24 | 2010-04-24 | Mojack Distributors, Llc | Apparatuses and methods for an improved vehicle jack |
| CN208864671U (en) * | 2018-05-07 | 2019-05-17 | 河南省肿瘤医院 | A kind of rise-and-fall hospital bed |
| CN110734003A (en) * | 2019-11-15 | 2020-01-31 | 安徽瑞赛克再生资源技术股份有限公司 | lifter for automobile maintenance and disassembly |
| CN111217292A (en) * | 2020-03-02 | 2020-06-02 | 国网江苏省电力有限公司张家港市供电分公司 | Anti-falling mechanism for lifting platform |
| CN215287839U (en) * | 2021-03-08 | 2021-12-24 | 上海霍塔浩福自动化测试技术有限公司 | Can realize cylinder climbing mechanism of a plurality of positions |
| CN215326751U (en) * | 2021-05-31 | 2021-12-28 | 常州市油森自动化成套设备有限公司 | Hydraulic lifting mechanism for transferring forklift based on hydraulic system |
| CN217201909U (en) * | 2022-02-10 | 2022-08-16 | 佛山市南海洪锐机械制造有限公司 | Synchronous jacking mechanism |
| CN115610929A (en) * | 2022-10-12 | 2023-01-17 | 青岛啤酒(枣庄)有限公司 | Four-way shuttle with wheel elevation structure |
| CN219194385U (en) * | 2023-01-31 | 2023-06-16 | 青岛鳌福机械有限公司 | High-safety four-column lifter |
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2023
- 2023-06-30 CN CN202310787525.3A patent/CN116495670B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2680715A1 (en) * | 2008-10-24 | 2010-04-24 | Mojack Distributors, Llc | Apparatuses and methods for an improved vehicle jack |
| CN208864671U (en) * | 2018-05-07 | 2019-05-17 | 河南省肿瘤医院 | A kind of rise-and-fall hospital bed |
| CN110734003A (en) * | 2019-11-15 | 2020-01-31 | 安徽瑞赛克再生资源技术股份有限公司 | lifter for automobile maintenance and disassembly |
| CN111217292A (en) * | 2020-03-02 | 2020-06-02 | 国网江苏省电力有限公司张家港市供电分公司 | Anti-falling mechanism for lifting platform |
| CN215287839U (en) * | 2021-03-08 | 2021-12-24 | 上海霍塔浩福自动化测试技术有限公司 | Can realize cylinder climbing mechanism of a plurality of positions |
| CN215326751U (en) * | 2021-05-31 | 2021-12-28 | 常州市油森自动化成套设备有限公司 | Hydraulic lifting mechanism for transferring forklift based on hydraulic system |
| CN217201909U (en) * | 2022-02-10 | 2022-08-16 | 佛山市南海洪锐机械制造有限公司 | Synchronous jacking mechanism |
| CN115610929A (en) * | 2022-10-12 | 2023-01-17 | 青岛啤酒(枣庄)有限公司 | Four-way shuttle with wheel elevation structure |
| CN219194385U (en) * | 2023-01-31 | 2023-06-16 | 青岛鳌福机械有限公司 | High-safety four-column lifter |
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|---|---|
| CN116495670B (en) | 2023-08-29 |
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