CN114105031A - Lifting platform based on trolley for elevator load test - Google Patents
Lifting platform based on trolley for elevator load test Download PDFInfo
- Publication number
- CN114105031A CN114105031A CN202111170257.8A CN202111170257A CN114105031A CN 114105031 A CN114105031 A CN 114105031A CN 202111170257 A CN202111170257 A CN 202111170257A CN 114105031 A CN114105031 A CN 114105031A
- Authority
- CN
- China
- Prior art keywords
- chassis
- lifting
- trolley
- scissor arm
- carrying
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000013461 design Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000000630 rising 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
- B66F7/065—Scissor linkages, i.e. X-configuration
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a lifting platform based on a trolley for an elevator load test, which comprises a chassis, a carrying platform, a central driving mechanism and a closed-loop lifting unit, wherein the closed-loop lifting unit comprises a lifting trolley, a lifting center pillar and a pair of scissor arms symmetrically arranged between the chassis and the carrying platform, and the scissor arms comprise a chassis scissor arm and a carrying scissor arm; a lifting center pillar is fixedly connected between the left chassis scissor arm and the right chassis scissor arm; the lifting trolley is in front-back sliding fit with the upper surface of the chassis, a pair of vertical seat plates extend from the lifting trolley, vertical guide grooves are formed in the vertical seat plates, and the vertical guide grooves are sleeved on the lifting center pillars; the output end of the central driving mechanism is in driving connection with the lifting trolley. The elevator load test device is reasonable in structural design and flexible in movement, and the guide rod and slide block mechanism is adopted as the control mechanism, so that the stable lifting of the carrying platform can be realized, and the detection efficiency of the elevator load test can be improved.
Description
Technical Field
The invention relates to the technical field of elevator load test auxiliary equipment, in particular to a lifting platform based on a trolley for an elevator load test.
Background
The elevator needs the periodic load performance that carries on in daily use to detect, and traditional inspection mode detects through the dead load experiment, carries the load weight to elevator car promptly, and inspection process is more troublesome, and especially the transport of load counter weight is very hard low efficiency.
The existing device has slow speed, low precision and great inconvenience in the process of carrying heavy objects. It is therefore desirable to design a lifting platform that provides the device with the ability to lift heavy objects while avoiding injury to the operator.
Disclosure of Invention
The invention aims to provide a lifting platform based on a trolley for an elevator load test, so as to solve the problems in the background technology.
The technical scheme of the invention is as follows:
a lifting platform based on a trolley for an elevator load test comprises a chassis, a carrying platform, a central driving mechanism and a closed-loop lifting unit, wherein the closed-loop lifting unit comprises a lifting trolley, a lifting center pillar and a pair of scissor arms symmetrically arranged between the chassis and the carrying platform, each scissor arm comprises a chassis scissor arm and a carrying scissor arm, the chassis scissor arms and the carrying scissor arms are connected in a rotating fit mode through a center pin shaft, the lower ends of the chassis scissor arms are connected with a hinged base fixed on the chassis in a rotating fit mode, the upper ends of the chassis scissor arms are in sliding contact with the lower surface of the carrying platform, the upper ends of the carrying scissor arms are connected with the hinged base fixed on the lower surface of the carrying platform in a rotating fit mode, and the lower ends of the carrying scissor arms are in sliding contact with the upper surface of the chassis;
a lifting center pillar is fixedly connected between the left chassis scissor arm and the right chassis scissor arm;
the lifting trolley is in front-back sliding fit with the upper surface of the chassis, a pair of vertical seat plates extend from the lifting trolley, vertical guide grooves are formed in the vertical seat plates, and the vertical guide grooves are sleeved on the lifting center pillars;
the output end of the central driving mechanism is in driving connection with the lifting trolley.
Preferably, the central driving mechanism comprises a guide rod sliding block mechanism and a motor fixedly mounted on the chassis, the guide rod sliding block mechanism comprises a first guide rod, a second guide rod and a sliding block which are fixedly connected with the output end of the motor, the end part of the first guide rod is connected with the end part of the second guide rod in a rotating fit manner, the other end of the second guide rod is connected with the sliding block in a rotating fit manner, and the sliding block is fixedly connected with the rear end of the lifting trolley.
Preferably, a pair of chassis guide rails is fixedly installed on the upper surface of the chassis, a bottom roller is rotatably installed at the lower end of the carrying scissor arm, and the carrying scissor arm is in sliding fit with the chassis guide rails through the bottom roller.
Preferably, a pair of top guide rails is fixedly mounted on the lower surface of the carrying platform, a top roller is rotatably mounted at the upper end of the chassis scissor arm, and the chassis scissor arm is in sliding fit with the top guide rails through the top roller.
Preferably, a bottom limiting baffle is further fixedly mounted at the inner side end of the upper surface of the chassis corresponding to the chassis guide rail.
Preferably, the inner side end of the lower surface of the carrying platform, which corresponds to the top guide rail, is also fixedly provided with a top limit baffle.
Preferably, a trolley guide rail is fixedly mounted on the upper surface of the chassis, the lifting trolley is in sliding fit with the trolley guide rail through wheels at the bottom, and a trolley limiting baffle is fixedly mounted on the upper surface of the chassis corresponding to the inner side end of the trolley guide rail.
Preferably, still fixed mounting has middle column jacket in the middle of the lift center pillar, and two vertical bedplate are located the left and right sides of middle column jacket respectively.
The invention has the advantages that: the elevator load test device is reasonable in structural design and flexible in movement, the guide rod and slide block mechanism is adopted as the control mechanism, stable lifting of the carrying platform can be achieved, operation of lifting heavy objects can be completed, and the elevator load test detection efficiency can be improved.
Drawings
The invention is further described with reference to the following figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a right side view of the present invention;
FIG. 3 is a schematic perspective view of a base plate according to the present invention;
FIG. 4 is a schematic perspective view of the carrying platform of the present invention;
FIG. 5 is a schematic perspective view of a central driving mechanism according to the present invention;
fig. 6 is a schematic perspective view of the scissor arm according to the present invention.
Wherein: 1-chassis, 11-chassis rail, 12-trolley rail, 13-bottom limit stop, 14-trolley limit stop, 2-carrying platform, 21-top rail, 22-top limit stop, 3-guide bar slider mechanism, 301-first guide bar, 302-slider, 303-center pin, 4-scissor arm, 401-chassis scissor arm, 402-carrying scissor arm, 403-center pin, 404-bottom roller, 405-top roller, 5-lifting trolley, 51-vertical seat plate, 52-vertical guide slot, 6-motor, 7-lifting center post, 71-center post sleeve.
Detailed Description
Example (b): referring to fig. 1-6, a lifting platform based on a trolley for elevator load test comprises a chassis 1 and a carrying platform 2, and further comprises a central driving mechanism and a closed loop lifting unit, the closed loop lifting unit comprises a lifting trolley 5, a lifting center post 7 and a pair of scissor arms 4 which are symmetrically arranged between the chassis 1 and the carrying platform 2, the scissor arm 4 comprises a chassis scissor arm 401 and a carrying scissor arm 402, the chassis scissor arm 401 and the carrying scissor arm 402 are connected in a rotating fit manner through a central pin 403, the lower end of the chassis scissor arm 401 is connected in a rotating fit manner with a hinge seat fixed on the chassis 1, the upper end of the chassis scissor arm 401 is in sliding contact with the lower surface of the carrying platform 2, the upper end of the carrying scissor arm 402 is connected with a hinge seat fixed on the lower surface of the carrying platform 2 in a rotating fit manner, and the lower end of the carrying scissor arm 402 is in sliding contact with the upper surface of the chassis 1;
a lifting center column 7 is fixedly connected between the left chassis scissor arm 401 and the right chassis scissor arm 401;
the lifting trolley 5 is in front-back sliding fit with the upper surface of the chassis 1, a pair of vertical seat plates 51 extend from the lifting trolley 5, vertical guide grooves 52 are formed in the vertical seat plates 51, and the vertical guide grooves 52 are sleeved on the lifting center pillars 7;
the output end of the central driving mechanism is in driving connection with the lifting trolley 5.
The central driving mechanism comprises a guide rod sliding block mechanism 3 and a motor 6 fixedly mounted on the chassis 1, the guide rod sliding block mechanism 3 comprises a first guide rod 301, a second guide rod 303 and a sliding block 302 which are fixedly connected with the output end of the motor 6, the end part of the first guide rod 301 is connected with the end part of the second guide rod 303 in a rotating fit mode, the other end of the second guide rod 303 is connected with the sliding block 302 in a rotating fit mode, and the sliding block 302 is fixedly connected with the rear end of the lifting trolley 5.
The working principle of the embodiment is as follows: drive first guide arm 301 and the motion of second guide arm 303 through motor 6, second guide arm 303 promotes lift dolly 5 forward motion, lift dolly 5 of forward motion promotes when going up and down center pillar 7 forward motion and upward movement through vertical guide slot 52 in the vertical bedplate 51, lift center pillar 7 drives chassis scissor arm 401 around the articulated seat swing on the chassis 1, chassis scissor arm 401's upper end promotes to carry on platform 2 and rises, deuterogamy carries on scissor arm 402, can realize carrying on platform 2's steady rising.
A pair of chassis guide rails 11 is fixedly installed on the upper surface of the chassis 1, a bottom roller 404 is rotatably installed at the lower end of the carrying scissor arm 402, and the carrying scissor arm 402 is slidably fitted on the chassis guide rails 11 through the bottom roller 404. And a bottom limiting baffle 13 is fixedly arranged at the inner side end of the chassis 1, which corresponds to the chassis guide rail 11.
A pair of top guide rails 21 is fixedly mounted on the lower surface of the carrying platform 2, a top roller 405 is rotatably mounted at the upper end of the chassis scissor arm 401, and the chassis scissor arm 401 is in sliding fit on the top guide rails 21 through the top roller 405. And a top limit baffle 22 is fixedly arranged at the inner side end of the lower surface of the carrying platform 2 corresponding to the top guide rail 21.
Through the arrangement of the chassis guide rail 11 and the top guide rail 21, the stability of the carrying platform 2 in the lifting process is effectively ensured. The arrangement of the bottom limit baffle 13 and the top limit baffle 22 limits the lifting height, and avoids the mechanism from running excessively.
The upper surface of the chassis 1 is also fixedly provided with a trolley guide rail 12, the lifting trolley 5 is in sliding fit on the trolley guide rail 12 through a bottom wheel, and the upper surface of the chassis 1 is fixedly provided with a trolley limit baffle 14 corresponding to the inner side end of the trolley guide rail 12.
The middle of the lifting center post 7 is also fixedly provided with a middle post sleeve 71, and the two vertical seat plates 51 are respectively positioned at the left side and the right side of the middle post sleeve 71. The middle column sleeve 71 can limit the positions of the two vertical seat plates 51, and is matched with the trolley guide rail 12 to ensure that the lifting trolley 5 always moves along the front and rear directions.
It should be understood that the above-mentioned embodiments are only illustrative of the technical concepts and features of the present invention, and are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All modifications made according to the spirit of the main technical scheme of the invention are covered in the protection scope of the invention.
Claims (8)
1. A lifting platform based on a trolley for an elevator load test comprises a chassis (1) and a carrying platform (2) and is characterized by further comprising a central driving mechanism and a closed-loop lifting unit, wherein the closed-loop lifting unit comprises a lifting trolley (5), a lifting center column (7) and a pair of scissor arms (4) symmetrically arranged between the chassis (1) and the carrying platform (2), each scissor arm (4) comprises a chassis scissor arm (401) and a carrying scissor arm (402), the chassis scissor arms (401) and the carrying scissor arms (402) are connected in a rotating fit mode through a center pin shaft (403), the lower end of each chassis scissor arm (401) is connected with a hinge seat fixed on the chassis (1) in a rotating fit mode, the upper end of each chassis scissor arm (401) is in sliding contact with the lower surface of the carrying platform (2), and the upper end of each carrying scissor arm (402) is connected with the hinge seat fixed on the lower surface of the carrying platform (2) in a rotating fit mode, the lower end of the scissor-carrying arm (402) is in sliding contact with the upper surface of the chassis (1);
a lifting center column (7) is fixedly connected between the left chassis scissor arm (401) and the right chassis scissor arm (401);
the lifting trolley (5) is in front-back sliding fit with the upper surface of the chassis (1), a pair of vertical seat plates (51) extend from the lifting trolley (5), vertical guide grooves (52) are formed in the vertical seat plates (51), and the vertical guide grooves (52) are sleeved on the lifting center pillars (7);
the output end of the central driving mechanism is in driving connection with the lifting trolley (5).
2. The lifting platform based on the trolley for the elevator load test is characterized in that the central driving mechanism comprises a guide rod slider mechanism (3) and a motor (6) fixedly mounted on the chassis (1), the guide rod slider mechanism (3) comprises a first guide rod (301), a second guide rod (303) and a slider (302) which are fixedly connected with the output end of the motor (6), the end of the first guide rod (301) is connected with the end of the second guide rod (303) in a rotating fit manner, the other end of the second guide rod (303) is connected with the slider (302) in a rotating fit manner, and the slider (302) is fixedly connected with the rear end of the lifting trolley (5).
3. The lifting platform based on the trolley for the elevator load test is characterized in that a pair of chassis guide rails (11) are fixedly mounted on the upper surface of the chassis (1), a bottom roller (404) is rotatably mounted at the lower end of the carrying scissor arm (402), and the carrying scissor arm (402) is in sliding fit with the chassis guide rails (11) through the bottom roller (404).
4. The lifting platform based on the trolley for the elevator load test is characterized in that a pair of top guide rails (21) is fixedly installed on the lower surface of the carrying platform (2), a top roller (405) is rotatably installed at the upper end of the chassis scissor arm (401), and the chassis scissor arm (401) is in sliding fit with the top guide rails (21) through the top roller (405).
5. The lifting platform based on the trolley for the elevator load test is characterized in that a bottom limit baffle (13) is fixedly arranged at the inner side end, corresponding to the chassis guide rail (11), of the upper surface of the chassis (1).
6. The lifting platform based on the trolley for the elevator load test is characterized in that a top limit baffle (22) is fixedly arranged at the inner side end, corresponding to the top guide rail (21), of the lower surface of the carrying platform (2).
7. The lifting platform based on the trolley for the elevator load test is characterized in that a trolley guide rail (12) is further fixedly mounted on the upper surface of the chassis (1), the lifting trolley (5) is in sliding fit with the trolley guide rail (12) through bottom wheels, and a trolley limiting baffle (14) is fixedly mounted on the inner side end, corresponding to the trolley guide rail (12), of the upper surface of the chassis (1).
8. The lifting platform based on the trolley for the elevator load test as recited in claim 1, characterized in that a middle column sleeve (71) is fixedly installed in the middle of the lifting middle column (7), and the two vertical seat plates (51) are respectively located at the left and right sides of the middle column sleeve (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111170257.8A CN114105031A (en) | 2021-10-08 | 2021-10-08 | Lifting platform based on trolley for elevator load test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111170257.8A CN114105031A (en) | 2021-10-08 | 2021-10-08 | Lifting platform based on trolley for elevator load test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114105031A true CN114105031A (en) | 2022-03-01 |
Family
ID=80441404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111170257.8A Pending CN114105031A (en) | 2021-10-08 | 2021-10-08 | Lifting platform based on trolley for elevator load test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114105031A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE456738B (en) * | 1983-09-21 | 1988-10-31 | Profilprodukter Ab | LIFTING DEVICE |
| CN101564198A (en) * | 2009-06-05 | 2009-10-28 | 昆明理工大学 | Semiautomatic tobacco-weaving machine |
| CN108324539A (en) * | 2018-03-29 | 2018-07-27 | 曾正扬 | A kind of carsickness-proof massage machine |
| CN108640018A (en) * | 2018-05-23 | 2018-10-12 | 上海工程技术大学 | A kind of reciprocating translational elevating mechanism for battery altering |
| CN110329949A (en) * | 2019-07-08 | 2019-10-15 | 永康中科爱司米医疗科技有限公司 | A kind of cross link lifting structure, bedstead and nursing bed |
| CN211338651U (en) * | 2019-11-04 | 2020-08-25 | 连云港佑源医药设备制造有限公司 | Sealed lower conveying vehicle with lifting function |
| CN211795620U (en) * | 2019-11-27 | 2020-10-30 | 绍兴鼎越文化传媒有限公司 | Human activity propagation display exhibition equipment |
| CN216235445U (en) * | 2021-10-08 | 2022-04-08 | 江苏省特种设备安全监督检验研究院 | Lifting platform based on trolley for elevator load test |
-
2021
- 2021-10-08 CN CN202111170257.8A patent/CN114105031A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE456738B (en) * | 1983-09-21 | 1988-10-31 | Profilprodukter Ab | LIFTING DEVICE |
| CN101564198A (en) * | 2009-06-05 | 2009-10-28 | 昆明理工大学 | Semiautomatic tobacco-weaving machine |
| CN108324539A (en) * | 2018-03-29 | 2018-07-27 | 曾正扬 | A kind of carsickness-proof massage machine |
| CN108640018A (en) * | 2018-05-23 | 2018-10-12 | 上海工程技术大学 | A kind of reciprocating translational elevating mechanism for battery altering |
| CN110329949A (en) * | 2019-07-08 | 2019-10-15 | 永康中科爱司米医疗科技有限公司 | A kind of cross link lifting structure, bedstead and nursing bed |
| CN211338651U (en) * | 2019-11-04 | 2020-08-25 | 连云港佑源医药设备制造有限公司 | Sealed lower conveying vehicle with lifting function |
| CN211795620U (en) * | 2019-11-27 | 2020-10-30 | 绍兴鼎越文化传媒有限公司 | Human activity propagation display exhibition equipment |
| CN216235445U (en) * | 2021-10-08 | 2022-04-08 | 江苏省特种设备安全监督检验研究院 | Lifting platform based on trolley for elevator load test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208856873U (en) | Aerial work platform | |
| CN216235445U (en) | Lifting platform based on trolley for elevator load test | |
| CN113173526B (en) | Fork head assembly and three-way piling car | |
| CN114105031A (en) | Lifting platform based on trolley for elevator load test | |
| CN112124004B (en) | Forklift wheel tread adjusting device and forklift | |
| CN209602033U (en) | The small automobile-used wedge-shaped lifting device of AGV, wedge-shaped lifter and AGV trolley | |
| CN214693121U (en) | Walking three-way forklift | |
| CN215626293U (en) | Small hoisting crane | |
| CN211689963U (en) | Elevated platform for bridge construction operation | |
| CN212374803U (en) | Side fork formula AGV two-way flexible fork and balance mechanism thereof | |
| CN211920723U (en) | Portable counter weight device of multi-functional intelligent emergency rescue car of omnidirectional | |
| CN209974220U (en) | Double-arm car lifting jack | |
| CN212712560U (en) | Lifting device for trolley | |
| CN221370244U (en) | Small-size longmen lifting device of building engineering | |
| CN215857209U (en) | Bridge detects moving platform's perpendicular arm connection structure | |
| CN218434779U (en) | Rear fork connecting mechanism of miniature electric power working vehicle | |
| CN216734293U (en) | Support device for high-speed railway bogie | |
| CN220056270U (en) | Rotary lifting maintenance frame | |
| CN219314515U (en) | Lifting platform truck capable of automatically walking | |
| CN220529701U (en) | Lifting platform for exhibition of crane accessories | |
| CN216005131U (en) | Self-walking crank arm type aerial work platform with anti-toppling supporting structure | |
| CN220845273U (en) | Ring chain type electric hoist device with more stable operation | |
| CN213864322U (en) | Auxiliary hoisting suspension manipulator for workpiece carrying | |
| CN216805245U (en) | Material collecting device of electrically-driven material collecting transport vehicle | |
| CN220884186U (en) | Guide rail type sliding ground plate wrecker |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20220301 |