CN110606446B - Transfer trolley and lifting structure - Google Patents
Transfer trolley and lifting structure Download PDFInfo
- Publication number
- CN110606446B CN110606446B CN201810615979.1A CN201810615979A CN110606446B CN 110606446 B CN110606446 B CN 110606446B CN 201810615979 A CN201810615979 A CN 201810615979A CN 110606446 B CN110606446 B CN 110606446B
- Authority
- CN
- China
- Prior art keywords
- rod
- frame
- driving mechanism
- fixed frame
- swing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012546 transfer Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 81
- 230000005540 biological transmission Effects 0.000 claims description 37
- 238000005096 rolling process Methods 0.000 claims description 25
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 230000005012 migration Effects 0.000 claims description 4
- 238000013508 migration Methods 0.000 claims description 4
- 230000001737 promoting effect Effects 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 238000013475 authorization Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/0641—Single levers, e.g. parallel links
-
- 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/065—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks non-masted
-
- 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
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/127—Working platforms
Landscapes
- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Handcart (AREA)
Abstract
The invention relates to a transfer trolley and a lifting structure. The transfer trolley comprises a trolley frame, a lifting structure is arranged on the trolley frame, the lifting structure comprises a fixing frame fixedly connected with the trolley frame, a jacking frame is assembled on the fixing frame in a guiding and moving mode in the vertical direction, a connecting rod mechanism is further arranged on the fixing frame, a swing rod of the connecting rod mechanism drives the jacking frame to ascend and descend when swinging, a driving mechanism for outputting horizontal linear motion is further arranged on the fixing frame, a horizontally extending ejector rod is hinged to the swing rod, and the linear output end of the driving mechanism is in pushing fit with the ejector rod in a pushing mode and drives the swing rod to swing when pushing the ejector rod to move horizontally. The ejector rod is in pushing fit with the linear output end of the driving mechanism, and the ejector rod can move up and down relative to the linear output end of the driving mechanism in the process of moving back and forth along with the driving mechanism, so that the driving mechanism does not need to move up and down along with the ejector rod when driving the ejector rod to move back and forth, and an operator can operate the driving mechanism conveniently.
Description
Technical Field
The invention relates to a transfer trolley and a lifting structure.
Background
In a power grid system, a switch cabinet is often used for installing a high-voltage switch or high-voltage equipment, such as a circuit breaker, when the circuit breaker is installed or overhauled, the circuit breaker needs to be moved into or out of the switch cabinet through a transfer trolley, because the size of a circuit breaker installation position in each switch cabinet has a certain error, and in addition, the ground height of a project or a workshop is different, when the circuit breaker is moved, a circuit breaker bearing plane on the transfer trolley needs to be adjusted to be aligned with the installation position of the circuit breaker in the switch cabinet, and therefore, the transfer trolley is generally provided with a lifting structure. For example, a chinese patent with an authorization publication No. CN204324798U, entitled circuit breaker transfer trolley, discloses a transfer trolley with a lifting structure, which includes a frame and a circuit breaker mounting bracket, four corners of the frame corresponding to the circuit breaker mounting bracket are provided with lifting screws extending along a vertical direction, the circuit breaker mounting bracket is mounted at ends of the four lifting screws, and the height of the circuit breaker mounting bracket can be adjusted by adjusting the lifting screws. The transfer trolley has the following defects in the actual use process: when adjusting the height of the circuit breaker mounting bracket, four lifting screw rods need to be adjusted simultaneously, and the positions of the four lifting screw rods are in different places, so that the adjustment is very inconvenient.
In order to solve the problems, a Chinese patent with an authorization publication number of CN202966376U and a name of a transfer trolley for a circuit breaker of a central high-voltage switch cabinet discloses another transfer trolley which comprises a storage cabinet, a lifting structure is arranged above the storage cabinet, the upper end of the lifting structure is connected with a tray for supporting the circuit breaker, the lifting structure comprises two pairs of hinges which are symmetrically arranged left and right, each pair of hinges comprises an upper connecting rod and a lower connecting rod which are symmetrically arranged, one ends of the upper connecting rod and the lower connecting rod which are close to each other are hinged on the screw sleeves together, the upper end of the upper connecting rod is hinged with the tray, the lower end of the lower connecting rod is hinged with the storage cabinet, the two screw sleeves of the two pairs of hinges are provided with threaded rods in a threaded manner, and the distance between the two screw sleeves is adjusted by rotating the threaded rods, and then drive two connecting rods in two pairs of hinges and open or close to adjust the height of hinge upper end tray, and the shortcoming of this type of transport dolly in the in-service use is: the threaded rod can move up and down along with the height change of the screw sleeve in the rotating process, and the threaded rod is inconvenient for operators to rotate.
Disclosure of Invention
The invention aims to provide a transfer trolley which is convenient for an operator to carry out lifting operation; the invention also aims to provide a lifting structure used in the transfer trolley.
In order to realize the purpose, the technical scheme of the transfer trolley is as follows: transport the dolly, including the frame, be equipped with elevation structure on the frame, elevation structure include with frame fixed connection's mount, the guide movement is equipped with the jacking frame on the mount in vertical direction, still be equipped with link mechanism on the mount, link mechanism's pendulum rod drives the jacking frame and rises and descend when the swing, still is provided with the actuating mechanism of output horizontal straight line action on the mount, it has the ejector pin that the level extends to articulate on the pendulum rod, actuating mechanism's straight line output end and ejector pin top push cooperation just drive the pendulum rod swing when promoting ejector pin horizontal migration.
In the practical use process of the transfer trolley, the ejector rod is in push fit with the linear output end of the driving mechanism, and the ejector rod can move up and down relative to the linear output end of the driving mechanism in the process of moving back and forth along with the driving mechanism, so that the driving mechanism does not need to move up and down along with the ejector rod when driving the ejector rod to move back and forth, and an operator can conveniently operate the driving mechanism.
The driving mechanism is a thread driving mechanism, and is simple to operate and low in cost.
The driving mechanism is a screw nut driving mechanism and comprises a screw rod rotatably assembled on the fixed frame and a force transmission plate assembled on the fixed frame in a guiding and moving mode along the front-back direction, the screw rod is in threaded connection with the force transmission plate so as to drive the force transmission plate to move back and forth when the screw rod is rotated, and the ejector rod is in pushing fit with the force transmission plate. By adopting the screw rod nut driving mechanism, the screw rod only generates rotary motion but not front-back motion in the whole driving process, and an operator only needs to input rotary motion, thereby further facilitating the operation of the operator.
The push rod is matched with the linear output end of the driving mechanism in a pushing mode through a rolling structure arranged at the end portion of the push rod. The rolling structure is arranged at the end part of the ejector rod, so that the moving resistance of the ejector rod when moving relative to the dowel plate is reduced, the adjusting resistance of the whole lifting structure is reduced, and the adjustment of operators is facilitated.
The rolling structure is a rolling bearing with an axis extending along the left-right direction.
The link mechanism comprises a swing rod assembly, and the swing rod assembly comprises an upper swing rod and a lower swing rod which are hinged with each other and are respectively hinged with the jacking frame and the fixed frame.
The swing rod assemblies are arranged in parallel in the front-back direction, and an upper swing rod and a lower swing rod in each swing rod assembly are vertically symmetrical.
The ejector push rod is connected to the hinged position of the upper swing rod and the lower swing rod.
One of the fixed frame and the jacking frame is provided with a vertically extending inserting column, the other one of the fixed frame and the jacking frame is provided with a vertically extending inserting hole, and the jacking frame is movably assembled on the fixed frame through the matching guide of the inserting column and the inserting hole.
The lifting structures are provided with two sets and are respectively arranged on the left side and the right side of the frame.
In order to achieve the purpose, the technical scheme of the lifting structure is as follows: lifting structure, including the mount, the direction removes on the mount in vertical direction and is equipped with the jacking frame, still is equipped with link mechanism on the mount, and link mechanism's pendulum rod drives the jacking frame and rises and descend when the swing, still is provided with the actuating mechanism of the horizontal straight line action of output on the mount, and articulated on the pendulum rod have the ejector pin of horizontal extension, and actuating mechanism's sharp output end pushes up with the ejector pin top and cooperates and drive the pendulum rod swing when promoting ejector pin horizontal migration.
In the practical use process of the lifting structure, the ejector rod is in push fit with the linear output end of the driving mechanism, and the ejector rod can move up and down relative to the linear output end of the driving mechanism in the process of moving back and forth along with the driving mechanism, so that the driving mechanism does not need to move up and down along with the ejector rod when driving the ejector rod to move back and forth, and an operator can conveniently operate the driving mechanism.
The driving mechanism is a thread driving mechanism, and is simple to operate and low in cost.
The driving mechanism is a screw nut driving mechanism and comprises a screw rod rotatably assembled on the fixed frame and a force transmission plate assembled on the fixed frame in a guiding and moving mode along the front-back direction, the screw rod is in threaded connection with the force transmission plate so as to drive the force transmission plate to move back and forth when the screw rod is rotated, and the ejector rod is in pushing fit with the force transmission plate. By adopting the screw rod nut driving mechanism, the screw rod only generates rotary motion but not front-back motion in the whole driving process, and an operator only needs to input rotary motion, thereby further facilitating the operation of the operator.
The push rod is matched with the linear output end of the driving mechanism in a pushing mode through a rolling structure arranged at the end portion of the push rod. The rolling structure is arranged at the end part of the ejector rod, so that the moving resistance of the ejector rod when moving relative to the dowel plate is reduced, the adjusting resistance of the whole lifting structure is reduced, and the adjustment of operators is facilitated.
The rolling structure is a rolling bearing with an axis extending along the left-right direction.
The link mechanism comprises a swing rod assembly, and the swing rod assembly comprises an upper swing rod and a lower swing rod which are hinged with each other and are respectively hinged with the jacking frame and the fixed frame.
The swing rod assemblies are arranged in parallel in the front-back direction, and an upper swing rod and a lower swing rod in each swing rod assembly are vertically symmetrical.
The ejector push rod is connected to the hinged position of the upper swing rod and the lower swing rod.
One of the fixed frame and the jacking frame is provided with a vertically extending inserting column, the other one of the fixed frame and the jacking frame is provided with a vertically extending inserting hole, and the jacking frame is movably assembled on the fixed frame through the matching guide of the inserting column and the inserting hole.
The lifting structures are provided with two sets and are respectively arranged on the left side and the right side of the frame.
Drawings
FIG. 1 is a perspective view of a transfer cart embodiment of the present invention;
FIG. 2 is a front view of a transfer cart embodiment of the present invention;
FIG. 3 is a structural diagram of the pushing rod and the rear pushing matching of the force transmission plate in the embodiment of the transfer trolley of the invention;
FIG. 4 is a left side view of the structure of FIG. 3;
in the figure: 1. a frame; 11. a stringer; 12. a column; 13. a guide bar; 2. a guide rail; 21. inserting a column; 3. pushing the push rod; 31. a rolling bearing; 4. a support; 51. an upper swing rod; 52. a lower swing rod; 6. a screw rod; 7. a force transmission plate; 8. and (7) wheels.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The specific embodiment of the transfer trolley comprises a frame 1, wheels 8 are arranged at the bottom of the frame, a lifting structure is arranged above the frame 1 and comprises a fixed frame, a jacking frame is assembled on the fixed frame in a guiding and moving mode in the vertical direction, a connecting rod mechanism is further arranged on the fixed frame, a swinging rod of the connecting rod mechanism drives the jacking frame to ascend and descend when swinging, a driving mechanism for outputting horizontal linear motion is further arranged on the fixed frame, a horizontally extending push rod 3 is hinged to the swinging rod, and a linear output end of the driving mechanism is in push fit with the push rod 3 and drives the swinging rod to swing when pushing the push rod to move horizontally.
In the above-mentioned scheme, preferably, the driving mechanism capable of outputting horizontal linear motion adopts a screw driving mechanism, and compared with driving mechanisms adopting other modes, for example, driving mechanisms such as telescopic cylinders and hydraulic cylinders, the driving mechanism has the advantages of simple structure, simple operation, low cost, and is beneficial to large-area popularization and use. The screw driving mechanism comprises a plurality of screw driving mechanisms, a common screw nut driving mechanism is preferably adopted in the embodiment, the screw driving mechanism comprises a screw rod 6 rotatably assembled on the fixed frame and a force transmission plate 7 assembled on the fixed frame in a guiding and moving manner along the front-back direction, the screw rod 6 is in threaded connection with the force transmission plate 7 so as to drive the force transmission plate to move back and forth when the screw rod is rotated, and the ejector push rod 3 is in pushing fit with the force transmission plate 7. Specifically, the front end of the screw rod 6 is a screw thread section, the rear end of the screw rod is a polished rod section, threads of the screw thread section are trapezoidal threads, the screw rod 6 is rotatably assembled on the stand column 12 through the polished rod section, an annular groove is further formed in the polished rod section, a retainer ring is arranged in the annular groove, the screw rod 6 is fixed front and back through the retainer ring, two guide rods 13 are further arranged on the stand column 12 in the up-down direction, and the dowel plate 7 is assembled on the stand column 12 through the two guide rods 13 in the front-back direction in a guiding mode. By adopting the screw rod nut driving mechanism, the screw rod only generates rotary motion but not front-back motion in the whole driving process, and an operator only needs to input rotary motion, thereby further facilitating the operation of the operator. Of course, in other embodiments, a bolt driving mechanism that is more common in a screw driving mechanism may also be used, that is, a stud that is spirally assembled on the fixing frame may be included, the stud is press-fitted with the top of the force transmission plate, the force transmission plate is in push-fit with the top pushing rod, and the stud may be rotated to move the stud forward and backward relative to the fixing frame, so as to push the force transmission plate that is in push-fit with the stud forward and backward.
The scheme is further improved, the rolling structure is arranged at the end part of the ejector rod 3 in jacking fit with the force transmission plate 7, the ejector rod 3 is in jacking fit with the force transmission plate through the rolling structure, and the moving resistance of the ejector rod when the ejector rod moves up and down relative to the force transmission plate can be reduced due to the design of the rolling structure, so that the adjusting resistance of the whole lifting structure is reduced, and the adjustment of operators is facilitated. In the embodiment, the rolling structure is preferably provided as a rolling bearing 31 with an axis extending in the left-right direction, the rear end of the ejector pin 3 is provided with a groove, the rolling bearing 31 is installed in the groove, and correspondingly, the front side of the force transmission plate 7 is provided with a guide groove extending in the vertical direction, and the rolling bearing is guided and assembled in the guide groove to move up and down relative to the force transmission plate 7. The rolling bearing is adopted as the rolling structure in the embodiment because the adjustment precision of the bearing is a little higher, and in other embodiments, the rolling structure can be in the form of a roller or a ball.
Further, in all the above schemes, the link mechanism includes a swing link assembly, the swing link assembly includes an upper swing link 51 and a lower swing link 52 which are hinged to each other and hinged to the jacking frame and the fixing frame respectively, and the jacking frame and the fixing frame are both provided with a support 4 for being hinged to the swing link, wherein the swing link assembly can be one, two, three or more, when one is set, the lengths of the upper swing link and the lower swing link can be the same or different, both can be symmetrically set or asymmetrically set, and when the swing link assembly has more than two, the front and back directions of the swing link assemblies are arranged in parallel, and the upper swing link and the lower swing link in each swing link assembly are vertically symmetrical. In this embodiment, in order to provide a large enough jacking force and make the lifting structure more reliable and stable, the link mechanism employs four swing link assemblies arranged in parallel in the front and back direction, wherein the jacking rod is connected at the hinged position of the upper swing link and the lower swing link, of course, the jacking rod can also be connected with the upper swing link or the lower swing link, but due to the difference of the action points, the operator needs to apply different adjusting forces, and at the hinged position of the upper swing link and the lower swing link, the adjusting force that the operator needs to apply is the smallest, so the preferred hinged point of the upper swing link and the lower swing link in this embodiment is connected with the jacking rod.
In addition, in all the above schemes, there are two sets of lifting structures, and the two sets of lifting structures are respectively arranged at the left and right sides of the frame. The mount comprises longeron 11 and two front and back stands 12 that extend along the fore-and-aft direction that frame 1 upper portion set up, the crane is for the dedicated guide rail 2 of circuit breaker that extends along the fore-and-aft direction, and the position department that guide rail 2 corresponds two stands is provided with the post 21 of inserting of vertical extension, is provided with the jack of vertical extension on two stands 12, is provided with the post 21 of inserting of vertical extension on the guide rail 2, and guide rail 2 is through inserting the cooperation direction assembly of post 21 and jack in two stand tops. In other embodiments, the number of the lifting structures may be adjusted according to actual needs, for example, one set, three sets or more sets are provided; the crane can adjust according to the kind of actual bearing article, for example set the form of bearing board to, and at this moment, many sets of elevation structure's crane can link as an organic whole. In addition, the inserting columns 21 and the inserting holes can be interchanged in position, namely the inserting holes are formed in the guide rails, the inserting columns are formed in the stand columns, and the like.
In addition, in all the schemes, the force transmission plate 7 is arranged on one side departing from the opening of the swing rod assembly, so that the ejector rod 3 is tightly attached to the force transmission plate 7 under the gravity of the jacking frame 2, the guide rod on the upper portion of the guide rod is located above the moving track of the ejector rod to vertically limit the ejector rod 3, the guide rod is prevented from moving upwards for too long distance, the phenomenon that the opening of the swing rod assembly faces backwards due to too long distance of forward and backward movement of the guide rod, and then the ejector rod 3 is separated from the force transmission plate 7 is avoided, and the upper guide rod forms a limiting structure for limiting the movement of the ejector rod. In other embodiments, the force transmission plate and the lead screw may also be disposed on a side of the swing rod assembly facing the opening, at this time, as shown in fig. 3 and 4, a vertical long hole may be disposed on the force transmission plate, an end portion of the push rod passes through the vertical long hole, and is in top-pressing fit with a side surface of the force transmission plate departing from the link mechanism through a stopper disposed at the penetrating end, and the link mechanism is adjusted through top-pressing fit of the push rod and a rear side of the force transmission plate. In addition, the motion of the ejector rod can be limited without the guide rod, the ejector rod is directly provided with a vertically extending limiting rod on the dowel plate, a through hole for the limiting rod to penetrate through is formed in the ejector rod, the ejector rod can move up and down along the limiting rod, and the ejector rod is limited by the limiting rod and is relatively fixed with the dowel plate in the front-back direction.
The specific structure of the embodiment of the lifting structure of the invention is the same as that of the lifting structure in the transfer trolley, and detailed description is omitted here.
Claims (11)
1. The transfer trolley comprises a trolley frame, and a lifting structure is arranged on the trolley frame, and is characterized in that the lifting structure comprises a fixed frame fixedly connected with the trolley frame, a jacking frame is assembled on the fixed frame in a vertical direction in a guiding and moving manner, one of the fixed frame and the jacking frame is provided with a vertically extending inserting column, the other one of the fixed frame and the jacking frame is provided with a vertically extending inserting hole, and the jacking frame is assembled on the fixed frame in a guiding and moving manner through the matching of the inserting column and the inserting hole; still be equipped with link mechanism on the mount, link mechanism includes the pendulum rod subassembly, the pendulum rod subassembly including articulated each other and respectively with jacking frame and mount articulated last pendulum rod and lower pendulum rod, link mechanism's pendulum rod drives the jacking frame and rises and descend when the swing, still is provided with the actuating mechanism of output horizontal straight line action on the mount, the articulated ejector pin that has the level to extend in the articulated position department of last pendulum rod and lower pendulum rod, actuating mechanism's sharp output and ejector pin top push cooperation and drive the pendulum rod swing when promoting ejector pin horizontal migration, the ejector pin pushes up the cooperation through the rolling structure of its tip setting and actuating mechanism's sharp output top push.
2. A transfer trolley according to claim 1, wherein: the driving mechanism is a thread driving mechanism.
3. A transfer trolley according to claim 2, wherein: the driving mechanism is a screw nut driving mechanism and comprises a screw rod rotatably assembled on the fixed frame and a force transmission plate assembled on the fixed frame in a guiding and moving mode along the front-back direction, the screw rod is in threaded connection with the force transmission plate so as to drive the force transmission plate to move back and forth when the screw rod is rotated, and the ejector rod is in pushing fit with the force transmission plate.
4. A transfer trolley according to claim 1, wherein: the rolling structure is a rolling bearing with an axis extending along the left-right direction.
5. A transfer trolley according to claim 1, wherein: the swing rod assemblies are arranged in parallel in the front-back direction, and an upper swing rod and a lower swing rod in each swing rod assembly are vertically symmetrical.
6. A transfer trolley according to claim 1 or 2 or 3 or 4 or 5, wherein: the lifting structures are provided with two sets and are respectively arranged on the left side and the right side of the frame.
7. Elevation structure, characterized by: the lifting device comprises a fixed frame, wherein a lifting frame is assembled on the fixed frame in a guiding and moving mode in the vertical direction, one of the fixed frame and the lifting frame is provided with a vertically extending inserting column, the other one of the fixed frame and the lifting frame is provided with a vertically extending inserting hole, and the lifting frame is assembled on the fixed frame in a guiding and moving mode through the matching of the inserting column and the inserting hole; still be equipped with link mechanism on the mount, link mechanism includes the pendulum rod subassembly, the pendulum rod subassembly including articulated each other and respectively with jacking frame and mount articulated last pendulum rod and lower pendulum rod, link mechanism's pendulum rod drives the jacking frame and rises and descend when the swing, still is provided with the actuating mechanism of output horizontal straight line action on the mount, the articulated ejector pin that has the level to extend in the articulated position department of last pendulum rod and lower pendulum rod, actuating mechanism's sharp output and ejector pin top push cooperation and drive the pendulum rod swing when promoting ejector pin horizontal migration, the ejector pin pushes up the cooperation through the rolling structure of its tip setting and actuating mechanism's sharp output top push.
8. The lifting structure according to claim 7, wherein: the driving mechanism is a thread driving mechanism.
9. The lifting structure according to claim 8, wherein: the driving mechanism is a screw nut driving mechanism and comprises a screw rod rotatably assembled on the fixed frame and a force transmission plate assembled on the fixed frame in a guiding and moving mode along the front-back direction, the screw rod is in threaded connection with the force transmission plate so as to drive the force transmission plate to move back and forth when the screw rod is rotated, and the ejector rod is in pushing fit with the force transmission plate.
10. The lifting structure according to claim 7, wherein: the rolling structure is a rolling bearing with an axis extending along the left-right direction.
11. The lifting structure according to claim 7, wherein: the swing rod assemblies are arranged in parallel in the front-back direction, and an upper swing rod and a lower swing rod in each swing rod assembly are vertically symmetrical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615979.1A CN110606446B (en) | 2018-06-14 | 2018-06-14 | Transfer trolley and lifting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615979.1A CN110606446B (en) | 2018-06-14 | 2018-06-14 | Transfer trolley and lifting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110606446A CN110606446A (en) | 2019-12-24 |
| CN110606446B true CN110606446B (en) | 2021-08-06 |
Family
ID=68887758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810615979.1A Active CN110606446B (en) | 2018-06-14 | 2018-06-14 | Transfer trolley and lifting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110606446B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113465440B (en) * | 2021-07-19 | 2022-07-01 | 江西方舟流体科技有限公司 | Auxiliary placing equipment for industrial closed cooling tower |
| CN114319265B (en) * | 2021-11-25 | 2023-05-30 | 安徽鑫汇水利电力工程有限责任公司 | High-standard farmland channel construction structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000097203A (en) * | 1998-09-22 | 2000-04-04 | Sugiyasu Kogyo Kk | Hydraulic synchronizing device and hydraulic lift |
| KR20010077821A (en) * | 2000-01-31 | 2001-08-20 | 스기우라 야스나리 | Lift apparatus |
| CN102311069A (en) * | 2011-08-24 | 2012-01-11 | 三一电气有限责任公司 | Jacking mechanism and offshore fan transportation and installation platform with same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ATA145381A (en) * | 1981-03-27 | 1983-03-15 | Ruettinger Armin | LIFTING DEVICE FOR ROOM CEILING PANELS |
| CN202966376U (en) * | 2012-12-04 | 2013-06-05 | 四川省宜宾惠美线业有限责任公司 | Middle-mounted transfer trolley for circuit breakers of high-voltage switch cabinet |
| CN105712263A (en) * | 2016-03-28 | 2016-06-29 | 北京星航机电装备有限公司 | Manual and electric integrated mobile lifting work platform |
| CN105905847B (en) * | 2016-06-06 | 2018-05-18 | 广州市园林建筑工程公司 | A kind of height hand-adjusting type gardens nursing workbench |
| CN107089628A (en) * | 2017-06-29 | 2017-08-25 | 马鞍山市中马金属材料有限公司 | A kind of segment carrying lifting operating platform |
-
2018
- 2018-06-14 CN CN201810615979.1A patent/CN110606446B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000097203A (en) * | 1998-09-22 | 2000-04-04 | Sugiyasu Kogyo Kk | Hydraulic synchronizing device and hydraulic lift |
| KR20010077821A (en) * | 2000-01-31 | 2001-08-20 | 스기우라 야스나리 | Lift apparatus |
| CN102311069A (en) * | 2011-08-24 | 2012-01-11 | 三一电气有限责任公司 | Jacking mechanism and offshore fan transportation and installation platform with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110606446A (en) | 2019-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110606446B (en) | Transfer trolley and lifting structure | |
| CN111559300A (en) | Switch cabinet overhauling transfer trolley and posture adjusting method thereof | |
| CN207860212U (en) | Circuit breaker electric moves transport carriage | |
| CN115302002A (en) | Semi-automatic preparation equipment of short square tube boss for square tube frame of publicity column | |
| CN109759998B (en) | Installation vehicle for turbofan aircraft engine | |
| CN109687329B (en) | Rear cabinet door positioning device of switch cabinet | |
| CN209792865U (en) | Automatic lifting mechanism and focusing device | |
| CN216288907U (en) | Adjustable antenna bracket | |
| CN109581164B (en) | Detection device is put in cubical switchboard light office | |
| CN211351443U (en) | Adjusting structure for fixed foundation of electric cabinet | |
| CN114408818A (en) | Substation equipment overhauls platform | |
| CN209568741U (en) | Novel building ergonomic support device | |
| CN113471866A (en) | Circuit breaker trolley maintenance platform | |
| CN215711409U (en) | Water quality monitoring appearance assists installation device | |
| CN218952413U (en) | Combined type internal climbing steel beam structure | |
| CN218931952U (en) | Supporting device for moving glass annealing furnace | |
| CN217159086U (en) | Intelligent handcart control and overhaul device | |
| CN219217286U (en) | Lifting equipment for corridor | |
| CN219650118U (en) | Container drilling and locking robot convenient to overhaul and maintain | |
| CN220772244U (en) | Sensor multiple spot correcting unit | |
| CN219760386U (en) | Auxiliary stand for mounting high-low voltage electrical equipment | |
| CN220710925U (en) | Mounting structure for components in power distribution cabinet | |
| CN219892679U (en) | Safety control cabinet for electric installation | |
| CN220050666U (en) | Flexible welding working platform for white car body | |
| CN217362399U (en) | Temporary supporting device for engineering construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |