CN112938714B - Novel hydraulic equipment for elevator - Google Patents
Novel hydraulic equipment for elevator Download PDFInfo
- Publication number
- CN112938714B CN112938714B CN202110150782.7A CN202110150782A CN112938714B CN 112938714 B CN112938714 B CN 112938714B CN 202110150782 A CN202110150782 A CN 202110150782A CN 112938714 B CN112938714 B CN 112938714B
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- Prior art keywords
- plate
- rod
- supporting
- clearing
- sliding rod
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- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 239000000872 buffer Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 5
- 230000010405 clearance mechanism Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/0423—Driving gear ; Details thereof, e.g. seals actuated pneumatically or hydraulically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
- B08B1/143—Wipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Types And Forms Of Lifts (AREA)
Abstract
The invention discloses a novel hydraulic device for an elevator, which structurally comprises a supporting seat, a control box and a hydraulic device, wherein the control box is arranged on the right side of the supporting seat, the hydraulic device is fixed at the top of the supporting seat, the hydraulic device is provided with a supporting plate, a sliding rod, a supporting rod and a clearing mechanism, the supporting plate is provided with two blocks which are respectively positioned above and below the hydraulic device, the phenomenon that hot air is liquefied on the outer wall of the sliding rod is caused because heat generated by the control box diffuses to the periphery of a hydraulic machine, water drops on the outer wall of the sliding rod are cleared by a pushing sheet through the contact of a clearing block in the clearing mechanism and the outer wall of the sliding rod, the phenomenon that the sliding speed is reduced because the pushing sheet clears water drops on the outer wall of the sliding rod, the phenomenon that the sliding speed is reduced because the sliding speed of liquid is resisted in the lifting process of the sliding rod is reduced, the supporting plates are mutually impacted when the sliding speed of the sliding rod is increased, and the supporting plates are buffered by a stress plate in the buffering mechanism, reduce the collision force when being close to each other between the backup pad, slow down the wearing and tearing speed of backup pad.
Description
Technical Field
The invention belongs to the field of hydraulic pressure and equipment thereof, and particularly relates to novel hydraulic equipment for an elevator.
Background
The elevator generally adopts a hydraulic machine to provide power for a lift car, a support rod of the hydraulic machine is supported at the bottom of the lift car, the hydraulic cylinder runs to push the support plate to lift through a slide rod, the support plate pushes the support rod to drive the lift car to lift, and the hydraulic machine is generally arranged in a control room in order to reduce damage to the hydraulic machine; when the hydraulic press is adopted to provide power for the lift car of the elevator in the prior art, the temperature inside the control chamber is lower because the control chamber is in a closed environment, the temperature of the outer wall of the slide rod is reduced, heat generated by the control box is diffused to the periphery of the hydraulic press, the phenomenon that hot air flow is liquefied on the outer wall of the slide rod occurs, and the sliding speed is reduced due to the resistance of liquid in the lifting process of the slide rod.
Disclosure of Invention
In order to solve the problems that when the hydraulic machine is adopted to provide power for the lift car of the elevator in the technology, the temperature of the inner part is lower because the control chamber is in a closed environment, the temperature of the outer wall of the slide rod is reduced, heat generated by the control box is diffused to the periphery of the hydraulic machine, the phenomenon that hot air flow is liquefied on the outer wall of the slide rod occurs, and the sliding speed is reduced due to the resistance of liquid in the lifting process of the slide rod.
In order to realize the purpose, the invention is realized by the following technical scheme: the utility model provides a novel hydraulic equipment is used to elevator, its structure includes supporting seat, control box, hydraulic means, the control box is installed on the supporting seat right side, hydraulic means fixes at the supporting seat top.
The hydraulic device is provided with two supporting plates, two sliding rods, two supporting rods and a clearing mechanism, the two supporting plates are respectively positioned above and below the hydraulic device, the sliding rods penetrate through the supporting plates and are close to the upper and lower surfaces of the left and right ends, the supporting rods are vertically fixed to the tops of the supporting plates, and the clearing mechanism is installed on the bottom surfaces of the supporting plates and is sleeved on the outer walls of the sliding rods.
As a further improvement of the invention, the clearing mechanism is provided with support bars, a sliding rod port, a movable groove, a clearing block, a push rod and a buffer mechanism, wherein the support bars are arranged in the middle parts of the left end and the right end of the clearing mechanism, the sliding rod port penetrates through the upper surface and the lower surface of the middle part of the clearing mechanism, the movable groove is sunken in the middle parts of the inner walls of the two sides of the sliding rod port, the clearing block is sleeved in the middle part of the movable groove, the push rod is fixed between the inner side of the clearing block and the inner wall of the movable groove, the buffer mechanism is respectively embedded and fixed on the upper surface and the lower surface of the clearing mechanism and positioned on the two sides of the sliding rod port, the support bars are made of spring materials, and the diameter of the movable groove from outside to inside is gradually reduced.
As a further improvement of the cleaning device, the cleaning block is provided with a connecting plate, a push plate, telescopic rods, expansion plates and an air cavity, the connecting plate is positioned on the left side of the cleaning block, the push plate is arranged on the right side surface of the connecting plate through the telescopic rods, the expansion plates are connected between the right side surface of the connecting plate and the upper end and the lower end of the push plate, the air cavity is positioned between the connecting plate and the push plate, the number of the telescopic rods is two, the telescopic rods are distributed up and down symmetrically, and the expansion plates are in a folded plate shape.
As a further improvement of the invention, the push plate is provided with a push sheet and two exhaust holes, the exhaust holes penetrate through the surfaces of the two sides of the push plate, the push sheet is embedded and fixed on the right side surface of the push plate and is clamped between the exhaust holes, the push sheet is made of sponge, and the exhaust holes are provided with two exhaust holes.
As a further improvement of the invention, the buffer mechanism is provided with a top plate, a stress plate, a connecting strip, a clamping groove, a rebound plate and a matching rod, wherein the top plate is positioned above the buffer mechanism, the stress plate is suspended below the top plate through the connecting strip, the clamping groove is sunken on the upper surface of the stress plate, the rebound plate is sleeved inside the clamping groove, the matching rod is fixed on the bottom surface of the top plate, the bottom of the rebound plate is provided with a spring, and the top of the rebound plate is in a rectangular plate shape.
As a further improvement of the invention, the matching rod is provided with a limiting plate, a rod body and a matching ring, the limiting plate is positioned above the matching rod, the rod body and the middle part of the bottom surface of the limiting plate are connected into a whole, the matching ring is connected and installed on the surfaces of two sides of the rod body, the matching ring is in a circular ring shape, and the diameter of the limiting plate is longer than that of the top end of the clamping groove.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. the heat generated by the control box is diffused towards the periphery of the hydraulic press, so that the phenomenon that hot air is liquefied on the outer wall of the sliding rod occurs, the pushing sheet is in contact with the outer wall of the sliding rod through the clearing block in the clearing mechanism, water drops on the outer wall of the sliding rod are cleared by the pushing sheet, the water drops can be reduced from being retained on the outer wall of the sliding rod, and the phenomenon that the sliding speed is reduced due to the resistance of liquid in the lifting process of the sliding rod is reduced.
2. When the sliding speed of the sliding rod is accelerated, the supporting plates are impacted mutually, the stress plates in the buffer mechanism buffer the supporting plates, the collision force between the supporting plates when the supporting plates are close to each other is reduced, and the abrasion speed of the supporting plates is reduced.
Drawings
Fig. 1 is a schematic structural diagram of a novel hydraulic device for an elevator according to the present invention.
Fig. 2 is a front view of a hydraulic device according to the present invention.
Fig. 3 is a front sectional structural schematic view of a clearing mechanism of the present invention.
Fig. 4 is a front sectional structural schematic view of a removing block of the present invention.
FIG. 5 is a front sectional structural view of a push plate according to the present invention.
Fig. 6 is a front sectional structural schematic view of a buffer mechanism according to the present invention.
Fig. 7 is a front view of a mating rod according to the present invention.
In the figure: the device comprises a supporting seat-1, a control box-2, a hydraulic device-3, a supporting plate-31, a sliding rod-32, a supporting rod-33, a clearing mechanism-34, a supporting strip-a 1, a sliding rod port-a 2, a movable groove-a 3, a clearing block-a 4, a push rod-a 5, a buffer mechanism-a 6, a connecting plate-s 1, a push plate-s 2, a telescopic rod-s 3, an expansion plate-s 4, an air cavity-s 5, a push sheet-d 1, an exhaust hole-d 2, an overhead plate-r 1, a stressed plate-r 2, a connecting bar-r 3, a clamping groove-r 4, a rebound plate-r 5, a matching rod-r 6, a limiting plate-t 1, a rod body-t 2 and a matching ring-t 3.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 5:
the invention provides novel hydraulic equipment for an elevator, which structurally comprises a supporting seat 1, a control box 2 and a hydraulic device 3, wherein the control box 2 is installed on the right side of the supporting seat 1, and the hydraulic device 3 is fixed on the top of the supporting seat 1.
The hydraulic device 3 is provided with two supporting plates 31, two sliding rods 32, two supporting rods 33 and two clearing mechanisms 34, the two supporting plates 31 are respectively positioned above and below the hydraulic device 3, the sliding rods 32 penetrate through the supporting plates 31 and are close to the upper and lower surfaces of the left and right ends, the supporting rods 33 are vertically fixed at the top of the supporting plates 31, and the clearing mechanisms 34 are installed on the bottom surfaces of the supporting plates 31 and are sleeved on the outer walls of the sliding rods 32.
Wherein, clearance mechanism 34 is equipped with support bar a1, slide bar mouth a2, activity groove a3, clears away piece a4, push rod a5, buffer gear a6, support bar a1 installs in clearance mechanism 34 about both ends middle part, slide bar mouth a2 runs through clearance mechanism 34 middle part upper and lower surface, activity groove a3 caves in slide bar mouth a2 both sides inner wall middle part, it is in the middle part of activity groove a3 to clear away piece a4 cover, push rod a5 fixes between the inboard of clearance piece a4 and activity groove a3 inner wall, buffer gear a6 inlays respectively on clearance mechanism 34 upper and lower surface, and is located slide bar mouth a2 both sides, support bar a1 is the spring material, has the elasticity, is favorable to support bar a1 deformation to produce power and make clearance mechanism 34 vibrate, can accelerate the liquid that clearance piece a4 cleared away to shake and drip, activity groove a3 is reduced by outside to inside diameter gradually, is favorable to activity groove a3 inner wall and clears away piece a4 contact, the clearance block a4 can be restrained.
The cleaning block a4 is provided with a connecting plate s1, a push plate s2, an expansion rod s3, an expansion plate s4 and an air cavity s5, the connecting plate s1 is positioned on the left side of the cleaning block a4, the push plate s2 is mounted on the right side of the connecting plate s1 through the expansion rod s3, the expansion plate s4 is connected between the right side of the connecting plate s1 and the upper end and the lower end of the push plate s2, the air cavity s5 is positioned between the connecting plate s1 and the push plate s2, the expansion rods s3 are provided with two expansion rods which are symmetrically distributed up and down, the thrust of the expansion rod s3 to the push plate s2 can be increased, the resetting speed of the push plate s2 can be accelerated, the expansion plate 4 is in a folding plate shape and has elasticity, the expansion and contraction can move back and forth along with the push plate s2, the air cavity inside the air cavity s5 can be blocked, and the air flow inside the air cavity s5 can be increased.
Wherein, push pedal s2 is equipped with push pedal d1, exhaust hole d2, exhaust hole d2 runs through push pedal s2 both sides surface, push pedal d1 inlays at push pedal s2 right flank, and presss from both sides between exhaust hole d2, push pedal d1 is the sponge material, has the hydroscopicity, can fully absorb the liquid of slide bar 32 outer wall, exhaust hole d2 is equipped with two, can increase the diffusion area of air current for the air current diffusion, the moisture evaporation of the outer wall of slide bar 32 is accelerated.
The specific use mode and function of the embodiment are as follows:
in the invention, a control box 2 of the hydraulic press is controlled to start the operation of a hydraulic cylinder in a support seat 1, the hydraulic cylinder pushes a sliding rod 32 to move, the sliding rod 32 pushes a support plate 31, the support plate 31 moves to push a support rod 33 to support an elevator, when the sliding rod 32 moves, a push rod a5 in a clearing mechanism 34 moves a clearing block a4 to the outside of a movable groove a3, a clearing block a4 moves to a sliding rod opening a1 to be contacted with the outer wall of the sliding rod 32, water drops on the outer wall of the sliding rod 32 are cleared through a push sheet d1 in a push plate s2, meanwhile, the push plate s2 moves to the right side of an engaging plate s1 under the thrust of the sliding rod 32, the push plate s2 pushes the telescopic rod s3 to contract, the air flow in an air cavity s5 is pushed by the push plate s2 to diffuse along an exhaust hole d2 to accelerate the evaporation of the water on the outer wall of the sliding rod 32, the push plate s3 pushes the push plate s2 to reset, the expanding plate s4 expands, and the capacity of the air cavity s5 can be kept, when the removing mechanism 34 is matched with the sliding rod 32, the supporting bar a1 drives the removing mechanism 34 to vibrate, so that water drops removed by the removing block a4 shake and drip, the removing block a4 in the removing mechanism 34 is contacted with the outer wall of the sliding rod 32, the pushing piece d1 removes the water drops on the outer wall of the sliding rod 32, the water drops can be prevented from being retained on the outer wall of the sliding rod 32, and the phenomenon that the sliding speed is reduced due to the resistance of liquid in the lifting process of the sliding rod 32 is reduced.
Example 2:
as shown in figures 6 to 7:
the damping mechanism a6 is provided with a top plate r1, a stress plate r2, a connecting bar r3, a clamping groove r4, a rebound plate r5 and a matching rod r6, the top plate r1 is located above the damping mechanism a6, the stress plate r2 is suspended below the top plate r1 through the connecting bar r3, the clamping groove r4 is recessed in the upper surface of the stress plate r2, the rebound plate r5 is sleeved inside the clamping groove r4, the matching rod r6 is fixed on the bottom surface of the top plate r1, the bottom of the rebound plate r5 is in a spring shape, the top of the rebound plate r5 is in a rectangular plate shape, the spring is pushed and deformed by the pushing force of the matching rod r6, the damping of the supporting plate 31 is facilitated, the impact force generated when the supporting plates 31 are contacted with each other can be reduced, and the abrasion speed of the supporting plate 31 is reduced.
Wherein, cooperation pole r6 is equipped with limiting plate t1, body of rod t2, cooperation ring t3, limiting plate t1 is located cooperation pole r6 top, body of rod t2 links as an organic whole with limiting plate t1 bottom surface middle part, cooperation ring t3 links up and installs at body of rod t2 both sides surface, cooperation ring t3 is the ring form, can with draw-in groove r4 inner wall clearance fit for cooperation pole r 6's translation rate, the diameter on limiting plate t 1's diameter ratio draw-in groove r4 top is long, is favorable to limiting plate t1 to leaning on draw-in groove r4 top outer wall, can be spacing to cooperation pole r 6.
The specific use mode and function of the embodiment are as follows:
in the invention, when the support plates 31 approach each other, the force-bearing plate r2 in the buffer mechanism a6 is pushed by the support plate 31 to move towards the overhead plate r1, the force-bearing plate r2 pushes the connecting bar r3 to contract, the force-bearing plate r2 gradually moves, the matching rod r6 at the bottom of the overhead plate r1 enters the slot r4 of the force-bearing plate r2, the rod body t2 pushes the rebound block r5 to contract, the limit is performed on the matching rod r6 through the limit plate t1, the rebound block r5 resets to push the matching rod r6 reversely, the matching ring t3 is movably matched with the inner wall of the slot r4, the moving speed of the matching rod r6 is accelerated, the force-bearing plate r2 rebounds the overhead plate r1, the support plate r2 in the buffer mechanism a6 buffers the support plates 31, the collision force when the support plates 31 approach each other is reduced, and the abrasion speed of the support plates 31 is reduced.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (3)
1. The utility model provides an elevator is with novel hydraulic equipment, its structure includes supporting seat (1), control box (2), hydraulic means (3), install on supporting seat (1) right side control box (2), hydraulic means (3) are fixed at supporting seat (1) top, its characterized in that:
the hydraulic device (3) is provided with two supporting plates (31), two sliding rods (32), a supporting rod (33) and a clearing mechanism (34), the two supporting plates (31) are respectively positioned above and below the hydraulic device (3), the sliding rods (32) penetrate through the supporting plates (31) and are positioned between the upper surface and the lower surface of the left end and the right end of the supporting plates (31), the supporting rods (33) are vertically fixed at the top of the supporting plates (31), and the clearing mechanism (34) is installed on the bottom surface of the supporting plates (31) and is sleeved on the outer walls of the sliding rods (32);
the clearing mechanism (34) is provided with a supporting bar (a 1), a sliding rod port (a 2), a movable groove (a 3), a clearing block (a 4), a push rod (a 5) and a buffer mechanism (a 6), the supporting bar (a 1) is installed in the middle of the left end and the right end of the clearing mechanism (34), the sliding rod port (a 2) penetrates through the upper surface and the lower surface of the middle of the clearing mechanism (34), the movable groove (a 3) is sunken in the middle of the inner walls of the two sides of the sliding rod port (a 2), the clearing block (a 4) is sleeved in the middle of the movable groove (a 3), the push rod (a 5) is fixed between the inner side of the clearing block (a 4) and the inner wall of the movable groove (a 3), and the buffer mechanisms (a 6) are fixedly embedded in the upper surface and the lower surface of the clearing mechanism (34) respectively and are located on the two sides of the sliding rod port (a 2);
the clearing block (a 4) is provided with a connecting plate (s 1), a push plate (s 2), an expansion rod (s 3), an expansion plate (s 4) and an air cavity (s 5), the connecting plate (s 1) is located on the left side of the clearing block (a 4), the push plate (s 2) is installed on the right side of the connecting plate (s 1) through the expansion rod (s 3), the expansion plate (s 4) is connected between the right side of the connecting plate (s 1) and the upper end and the lower end of the push plate (s 2), and the air cavity (s 5) is located between the connecting plate (s 1) and the push plate (s 2);
the push plate (s 2) is provided with a push piece (d 1) and an exhaust hole (d 2), the exhaust hole (d 2) penetrates through the surfaces of the two sides of the push plate (s 2), and the push piece (d 1) is embedded and fixed on the right side surface of the push plate (s 2) and clamped between the exhaust holes (d 2).
2. The new hydraulic equipment for elevator according to claim 1, characterized by that: buffer gear (a 6) is equipped with top board (r 1), atress board (r 2), connecting strip (r 3), draw-in groove (r 4), bounce board (r 5), cooperation pole (r 6), top board (r 1) are located buffer gear (a 6) top, atress board (r 2) hangs in top board (r 1) below through connecting strip (r 3), draw-in groove (r 4) are sunken in atress board (r 2) upper surface, bounce board (r 5) cover is inside draw-in groove (r 4), cooperation pole (r 6) are fixed in top board (r 1) bottom surface.
3. The new hydraulic equipment for elevator according to claim 2, characterized in that: cooperation pole (r 6) are equipped with limiting plate (t 1), the body of rod (t 2), cooperation ring (t 3), limiting plate (t 1) are located cooperation pole (r 6) top, the body of rod (t 2) links as an organic wholely with limiting plate (t 1) bottom surface middle part, cooperation ring (t 3) link and install at the body of rod (t 2) both sides surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150782.7A CN112938714B (en) | 2021-02-03 | 2021-02-03 | Novel hydraulic equipment for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110150782.7A CN112938714B (en) | 2021-02-03 | 2021-02-03 | Novel hydraulic equipment for elevator |
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| Publication Number | Publication Date |
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| CN112938714A CN112938714A (en) | 2021-06-11 |
| CN112938714B true CN112938714B (en) | 2022-09-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110150782.7A Active CN112938714B (en) | 2021-02-03 | 2021-02-03 | Novel hydraulic equipment for elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115165402B (en) * | 2022-06-02 | 2024-07-05 | 智己汽车科技有限公司 | Vehicle tyre's drivability testing arrangement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000219455A (en) * | 1999-02-02 | 2000-08-08 | Hitachi Building Systems Co Ltd | Hydraulic elevator device |
| CN206172731U (en) * | 2016-10-09 | 2017-05-17 | 苏州东奥德森电梯有限公司 | Hydraulic elevator with car balance function |
| CN108532965A (en) * | 2018-04-13 | 2018-09-14 | 郑州工业应用技术学院 | A kind of movable-type intelligent construction bearing platform |
| CN212076083U (en) * | 2020-03-05 | 2020-12-04 | 苏州如意物流设备有限公司 | Brake mechanism of guide rail type hydraulic lifting goods elevator |
| CN212127372U (en) * | 2020-02-27 | 2020-12-11 | 福建泉州路特斯贸易有限公司 | Double-mast type self-lifting platform |
-
2021
- 2021-02-03 CN CN202110150782.7A patent/CN112938714B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000219455A (en) * | 1999-02-02 | 2000-08-08 | Hitachi Building Systems Co Ltd | Hydraulic elevator device |
| CN206172731U (en) * | 2016-10-09 | 2017-05-17 | 苏州东奥德森电梯有限公司 | Hydraulic elevator with car balance function |
| CN108532965A (en) * | 2018-04-13 | 2018-09-14 | 郑州工业应用技术学院 | A kind of movable-type intelligent construction bearing platform |
| CN212127372U (en) * | 2020-02-27 | 2020-12-11 | 福建泉州路特斯贸易有限公司 | Double-mast type self-lifting platform |
| CN212076083U (en) * | 2020-03-05 | 2020-12-04 | 苏州如意物流设备有限公司 | Brake mechanism of guide rail type hydraulic lifting goods elevator |
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| CN112938714A (en) | 2021-06-11 |
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