CN110723679A - Fixed vertical lift hoist - Google Patents
Fixed vertical lift hoist Download PDFInfo
- Publication number
- CN110723679A CN110723679A CN201911060043.8A CN201911060043A CN110723679A CN 110723679 A CN110723679 A CN 110723679A CN 201911060043 A CN201911060043 A CN 201911060043A CN 110723679 A CN110723679 A CN 110723679A
- Authority
- CN
- China
- Prior art keywords
- lifting
- vertical lift
- rod end
- counterweight
- sleeve
- 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
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
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- 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
-
- 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
- F16F15/28—Counterweights, i.e. additional weights counterbalancing inertia forces induced by the reciprocating movement of masses in the system, e.g. of pistons attached to an engine crankshaft; Attaching or mounting same
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Jib Cranes (AREA)
Abstract
The invention relates to the technical field of hoisting equipment, in particular to a fixed vertical lifting crane; the technical problem of current fixed vertical lift system in the use, often take place that partial spare part damages, cause the potential safety hazard is solved. The technical solution of the invention is as follows: a fixed vertical lifting crane comprises a main body frame, a lifting crane platform, a lifting power system and a counterweight mechanism; the lifting power system comprises a main shaft, a motor reducer, a flange, a chain wheel and the like; one end of the flange is connected with a motor reducer, and the other end of the flange is connected to the main body frame through a flexible suspension assembly; the flexible suspension assembly comprises a sleeve, two pin shafts and two rod end joint bearings; the pin shaft is provided with an external thread, and the sleeve is provided with an internal thread matched with the external thread of the pin shaft; the inner sides of the two flanges are respectively provided with the two rod end joint bearings, a sleeve is arranged between the two rod end joint bearings, and the pin shaft sequentially penetrates through the flanges and the rod end joint bearings and then is connected with the sleeve.
Description
Technical Field
The invention relates to the technical field of hoisting equipment, in particular to a fixed type vertical lifting crane.
Background
With the development of manufacturing industry and municipal construction, hoisting equipment is applied more and more widely in the production line, municipal maintenance and other occasions. The existing hoisting equipment can be divided into the following types according to the purposes:
1. the lifting device is only used for lifting and moving heavy objects, such as: a portal frame for a steel mill, a traveling crane for a general workshop, and the like;
2. hoisting equipment that can bear weight for a long time, for example: a lifter used in the sky parking apparatus;
3. lifting devices that can be walked freely on the ground, for example: fork truck for workshop, warehouse.
Among existing hoisting equipment, a fixed vertical lift crane is most widely applied in production and life, for example, when an AGV stops, the fixed vertical lift crane is often adopted to lift the AGV to an appointed layer; the production workshop needs to adopt a fixed elevator to stack large-sized workpieces in layers to save space and the like. Because the main shaft bearing of fixed vertical lift hoist is great, the crooked phenomenon of power hoist system main shaft can often take place in the hoisting process, and because current fixed vertical lift's structure is too reasonable, in the use, the phenomenon that partial spare part damaged can often take place, causes the potential safety hazard.
Disclosure of Invention
The invention provides a fixed vertical lift crane, aiming at solving the technical problem that part of parts are frequently damaged and potential safety hazards are caused in the use process of the power lifting system of the conventional fixed vertical lift crane.
The technical solution of the invention is as follows:
a fixed vertical lift crane is characterized in that: comprises a main body frame, a lifting hoisting platform, a lifting power system and a counterweight mechanism.
The main body frame comprises two upright columns which are arranged in bilateral symmetry, and the upper parts of the two upright columns are connected through a cross beam.
The two upright columns are internally provided with the lifting power systems respectively; a lifter lifting platform is arranged between the two upright posts; and the outer sides of the two upright posts are provided with counterweight mechanisms.
The stand includes the bottom plate, fixes two jack-up platform guide rails and two counter weight guide rails that just homogeneous phase set up on the bottom plate.
The lifting power system comprises a main shaft arranged on the stand column, a motor speed reducer sleeved on the main shaft, flanges arranged on two sides of the motor speed reducer, two chain wheels respectively arranged on the outer sides of the two flanges, and bearings arranged at two ends of the main shaft. The output shaft of the motor reducer is a hollow shaft, and the output shaft is fixedly connected with the main shaft through a key. One end of the flange is connected with a connecting flange of the motor speed reducer, and the other end of the flange is connected to the upright post through the flexible suspension assembly. One end of the chain is connected with the lifting platform of the elevator, and the other end of the chain is connected with the counterweight mechanism after bypassing the chain wheel.
The flexible suspension assembly comprises a sleeve, two pin shafts and two rod end joint bearings. The pin shaft is a step shaft, the end part of the small end of the pin shaft is provided with an external thread, an optical axis section for sleeving the rod end joint bearing is arranged between the external thread and the large end, and the excircle of the optical axis section is matched with the inner hole of the rod end joint bearing. And the sleeve is provided with an internal thread matched with the external thread. The two rod end joint bearings are respectively arranged on the inner sides of the two flanges, and the sleeve is arranged between the two rod end joint bearings. And the small end of the pin shaft sequentially penetrates through the flange and the rod end joint bearing and then is connected with the sleeve.
Further, in order to lift more stably, the lifting platform of the lifting machine comprises a platform body, two guide wheel fixing frames respectively arranged at two sides of the platform body, a lifting guide wheel arranged at the outer side of the guide wheel fixing frame and a lifting platform hoisting point.
Further, in order to hoist more steadily, the quantity of lift guide pulley is four.
Furthermore, in order to ensure safer lifting, the lifting platform of the elevator also comprises a limiting mechanism arranged on the outer side of the guide wheel fixing frame; the limiting mechanism comprises an inductive switch and a travel switch collision block.
Furthermore, in order to enable the lifting platform to move in the lifting platform guide rail more stably, the lifting platform also comprises a lifting side guide wheel which is perpendicular to the lifting guide wheel.
Further, in order to achieve safer lifting, the fixed vertical lifting crane further comprises an upper limit switch and an upper limit switch which are arranged on a guide rail of the lifting platform.
Furthermore, in order to save the main power and improve the hoisting stability, the counterweight mechanism comprises a counterweight frame, a hoisting point, a counterweight block, a guide wheel and a guide sliding block; the upper portion of counter weight frame sets up counter weight mechanism hoisting point, and both sides set up leading wheel and direction slider, and inside sets up the balancing weight.
Further, the bearing is a self-aligning bearing.
Further, the overall stability is improved, and the diagonal draw bars are connected with the upright posts or the cross beams through pin shafts.
Further, for the convenience of disassembly and assembly, the difficulty of transportation and installation is reduced, and the stand is connected with the cross beam through a pin shaft.
Compared with the prior art, the invention has the beneficial effects that:
1. the gantry type frame structure is adopted, the structure is reasonable, the bearing weight is large, and the safety coefficient is high.
2. The motor speed reducer adopts the flexible suspension assembly to be connected to the upright post, so that the problem that when the main shaft is bent, the two connecting flanges are stressed unevenly, and force is concentrated towards the connecting flange at the side with larger bending of the main shaft, so that the connecting part of the connecting flange at the side and the main body frame is broken is avoided.
3. The invention adopts a left power lifting system and a right power lifting system, and has smaller volume, more compact structure and more stable lifting compared with a power lifting system.
4. The invention has simple structure, low cost and low manufacturing and installation difficulty.
5. The lifting guide wheels are four in number, so that lifting is more stable.
6. The lifting platform of the elevator is also provided with a limiting mechanism, and the guide rail of the lifting platform is provided with an upper limiting switch and an upper limiting switch, so that the lifting is safer.
7. The lifting side guide wheels are further arranged on the lifting platform, and the lifting platform can move in the lifting platform guide rail more stably.
8. The counterweight mechanism comprises a counterweight frame, a hoisting point, a counterweight block, a guide wheel and a guide sliding block, so that the main power is saved and the hoisting stability is improved.
9. The lifting hoisting platform and the counterweight mechanism can move in the hoisting platform guide rail and the counterweight guide rail, so that the stability during hoisting is improved.
10. The upright columns and the cross beams are vertically connected through the bolts, so that the assembly and disassembly are convenient, and the difficulty in transportation and installation is reduced.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of the present invention;
FIG. 2 is a partial view taken at I of FIG. 1;
FIG. 3 is a schematic structural diagram of a lifting power system in the embodiment;
FIG. 4 is a structural view of the pin shaft in this embodiment;
fig. 5 is a schematic structural view of the elevator hoist in this embodiment;
FIG. 6 is a partial view at II of FIG. 5;
FIG. 7 is a schematic structural view of the weight mechanism in this embodiment;
the reference numbers in the figures are: 1-main body frame, 101-upright post, 1011-base plate, 1012-crane guide rail, 1013-counterweight guide rail, 1014-upper limit switch, 1015-upper limit switch, 102-cross beam, 103-diagonal draw bar, 2-lifting crane platform, 201-platform body, 202-lifting guide wheel, 203-lifting side guide wheel, 204-guide wheel fixing frame, 205-fixing support, 206-crane platform lifting point, 2061-fixing steel plate, 2062-hinged plate, 2063-loose joint chain, 207-limit mechanism, 2071-stroke switch collision block, 2072-induction switch, 3-lifting power system, 301-main shaft, 302-motor reducer, 303-bearing, 304-chain wheel, 305-chain, 306-flange, 307-flexible suspension component, 3071-sleeve, 3072-pin shaft, 3073-rod end joint bearing, 3074-external thread, 3075-optical shaft section, 4-counterweight mechanism, 401-counterweight frame, 402-lifting point, 403-counterweight block, 404-guide wheel and 405-guide sliding block.
Detailed Description
The invention is further described with reference to the following figures and embodiments
Referring to fig. 1 and 2, the crane includes a main body frame 1, a lifting/lowering crane 2, a lifting power system 3, and a counterweight mechanism 4.
The lifting power systems 3 are respectively arranged in the two upright columns 101; a lifter lifting platform 2 is arranged between the two upright posts 101; the outer sides of the two upright posts 101 are provided with counterweight mechanisms 4.
Referring to fig. 3 and 4, a lifting power system 3 is arranged in the column 101; the lifting power system 3 comprises a main shaft 301 arranged on the upright 101, a motor reducer 302 sleeved on the main shaft 301, flanges 306 arranged on two sides of the motor reducer 302, two chain wheels 304 arranged on the outer sides of the two flanges 306, bearings 303 arranged at two ends of the main shaft 301, and chains 305 meshed with the chain wheels 304. The hollow shaft of the motor reducer 302 is fixedly connected with the main shaft 301 through a key, one ends of the two flanges 306 are respectively connected with the connecting flange of the motor reducer 302, and the other ends of the two flanges 306 are connected to the upright post 101 through the flexible suspension assembly 307. One end of chain 305 is connected to elevator gantry 2 and the other end is connected to counterweight mechanism 4 around sprocket 304.
The compliant suspension assembly 307 includes a bushing 3071, two pin shafts 3072, and two rod end knuckle bearings 3073. The pin shaft 3072 is a step shaft, the end part of the small end of the pin shaft is provided with an external thread 3074, an optical axis segment 3075 used for sleeving the rod end oscillating bearing 3073 is arranged between the external thread 3074 and the large end, and the excircle of the optical axis segment 3075 is matched with the inner hole of the rod end oscillating bearing 3073. The sleeve 3071 is provided with internal threads that mate with the external threads 3074. Two rod end spherical bearings 3073 are respectively provided inside the two flanges 306, and a sleeve 3071 is provided between the two rod end spherical bearings 3073. The small end of the pin shaft 3072 penetrates through the flange 306 and the rod end oscillating bearing 3073 in sequence and then is connected with the sleeve 3071, and a gap is reserved between the two ends of the sleeve 3071 and the outer rings of the two rod end oscillating bearings 3073.
Referring to fig. 5 and 6, the lifter lifting platform 2 includes a platform 201, and two guide wheel fixing frames 204 respectively disposed at two sides of the platform 201; the outer side of the guide wheel fixing frame 204 is provided with a lifting guide wheel 202, a lifting side guide wheel 203, a hoisting platform hoisting point 206 and a limiting mechanism 207. In this embodiment, four corners of the guide wheel fixing frame 204 are respectively provided with one lifting guide wheel 202, the inner sides of the front and rear groups of lifting guide wheels 202 are respectively provided with one fixing bracket 205, the outer side of the fixing bracket 205 is fixed with a lifting side guide wheel 203, and the lifting side guide wheel 203 is perpendicular to the lifting guide wheels 202. The lower portion of the guide wheel bracket 204 fixes two lifting platform suspension points 206, and the two lifting platform suspension points 206 comprise a fixed steel plate 2061 fixed on the fixed bracket 205, a hinge plate 2062 hinged with the fixed steel plate 206, and a loose joint chain 2063 hinged with the hinge plate 2062. The articulated chain 2063 is connected to the chain 305 before lifting. The limiting mechanism 207 comprises a travel switch collision block 2071 and two inductive switches 2072; the inductive switch 2072 is fixed inside the fixing bracket 205 by an inductive switch bracket 2073, and the travel switch collision block 2071 is directly fixed on the guide wheel fixing bracket 204.
Referring to fig. 7, the counterweight mechanism 4 includes a counterweight frame 401, a lifting point 402, a counterweight block 403, a guide wheel 404, and a guide slider 405. The upper part of the counterweight frame 401 is provided with a counterweight mechanism hoisting point 402, two sides are provided with a guide wheel 404 and a guide slide block 405, and the inside is provided with a counterweight block 403.
Referring to fig. 1, an elevator gantry 2 moves within gantry rail 1012; counterweight mechanism 4 moves within counterweight guide rails 1012.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A fixed vertical lift crane, its characterized in that: comprises a main body frame (1), a lifting hoisting platform (2), a lifting power system (3) and a counterweight mechanism (4);
the main body frame (1) comprises two upright posts (101) which are arranged in bilateral symmetry, and the upper parts of the two upright posts (101) are connected through a cross beam (102);
the lifting power systems (3) are respectively arranged in the two upright columns (101); a lifter lifting table (2) is arranged between the two upright posts (101); the outer sides of the two upright posts (101) are respectively provided with a counterweight mechanism (4);
the upright post (101) comprises a bottom plate (1011), two lifting platform guide rails (1012) and two counterweight guide rails (1013) which are fixed on the bottom plate (1011) and are arranged oppositely;
the lifting power system (3) comprises a main shaft (301) arranged on the upright post (101), a motor speed reducer (302) sleeved on the main shaft (301), flanges (306) arranged at two sides of the motor speed reducer (302), two chain wheels (304) respectively arranged at the outer sides of the two flanges (306), and bearings (303) arranged at two ends of the main shaft (301); an output shaft of the motor speed reducer (302) is a hollow shaft, and the output shaft is fixedly connected with the main shaft (301) through a key; one end of the flange (306) is connected with a connecting flange of the motor speed reducer (302), and the other end of the flange is connected to the upright post (101) through a flexible suspension assembly (307); one end of the chain (305) is connected with the lifting platform (2) of the lifter, and the other end of the chain (305) is connected with the counterweight mechanism (4) after bypassing the chain wheel (304);
the flexible suspension assembly (307) comprises a sleeve (3071), two pin shafts (3072) and two rod end joint bearings (3073); the pin shaft (3072) is a step shaft, the end part of the small end of the pin shaft is provided with an external thread (3074), an optical axis section (3075) for sleeving the rod end joint bearing (3073) is arranged between the external thread (3074) and the large end, and the excircle of the optical axis section (3075) is matched with the inner hole of the rod end joint bearing (3073); the sleeve (3071) is provided with an internal thread matched with the external thread (3074); the two rod end joint bearings (3073) are respectively arranged on the inner sides of the two flanges (306), and the sleeve (3071) is arranged between the two rod end joint bearings (3073); the small end of the pin shaft (3072) penetrates through the flange (306) and the rod end joint bearing (3073) in sequence and then is connected with the sleeve (3071).
2. A stationary vertical lift crane according to claim 1, wherein: the lifting platform (2) of the lifting machine comprises a platform body (201), two guide wheel fixing frames (204) respectively arranged at two sides of the platform body (201), a lifting guide wheel (202) arranged at the outer side of the guide wheel fixing frame (204) and a lifting platform lifting point (206).
3. A stationary vertical lift crane according to claim 2, wherein: the number of the lifting guide wheels (202) is four.
4. A stationary vertical lift crane according to claim 3, wherein: the device also comprises a limiting mechanism (207) arranged on the outer side of the guide wheel fixing frame (204), and an upper limiting switch (1014) and an upper limiting switch (1015) which are arranged on a lifting platform guide rail (1012); the limiting mechanism (207) comprises an inductive switch (2072) and a travel switch collision block (2071).
5. A stationary vertical lift crane according to claim 4, characterized in that: the number of the upper limit switches (1015) is two.
6. A stationary vertical lift crane according to claim 5, characterized in that: the lifting platform (2) of the lifter also comprises a lifting side guide wheel (203) which is vertical to the lifting guide wheel (202).
7. A stationary vertical lift crane according to any of claims 1 to 6, characterized in that: the counterweight mechanism (4) comprises a counterweight frame (401), a lifting point (402), a counterweight block (403), a guide wheel (404) and a guide sliding block (405); the upper portion of counter weight frame (401) sets up counter weight mechanism hoisting point (402), and both sides set up leading wheel (404) and direction slider (405), and inside sets up balancing weight (403).
8. A stationary vertical lift crane according to claim 7, wherein: the bearing (303) is a self-aligning bearing.
9. A stationary vertical lift crane according to claim 8, wherein: the device also comprises a diagonal draw bar (103) arranged between the upright post (101) and the cross beam (102); the diagonal draw bar (103) is connected with the upright column (101) or the cross beam (102) through a pin shaft.
10. A stationary vertical lift crane according to claim 9, wherein: the upright columns (101) are connected with the cross beams (102) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911060043.8A CN110723679A (en) | 2019-11-01 | 2019-11-01 | Fixed vertical lift hoist |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911060043.8A CN110723679A (en) | 2019-11-01 | 2019-11-01 | Fixed vertical lift hoist |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110723679A true CN110723679A (en) | 2020-01-24 |
Family
ID=69223618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911060043.8A Pending CN110723679A (en) | 2019-11-01 | 2019-11-01 | Fixed vertical lift hoist |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110723679A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230835A (en) * | 2020-02-20 | 2020-06-05 | 合肥市春华起重机械有限公司 | Manipulator cantilever beam structure convenient to replace and working method thereof |
-
2019
- 2019-11-01 CN CN201911060043.8A patent/CN110723679A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111230835A (en) * | 2020-02-20 | 2020-06-05 | 合肥市春华起重机械有限公司 | Manipulator cantilever beam structure convenient to replace and working method thereof |
| CN111230835B (en) * | 2020-02-20 | 2021-11-02 | 合肥市春华起重机械有限公司 | Manipulator cantilever beam structure convenient to replace and working method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104003324B (en) | A kind of lift of carrying for heavy workpiece | |
| CN107804807A (en) | The auxiliary support mechanism and its method for carrying of AGV carriers | |
| CN111017734A (en) | Running mechanism of monorail hoisting and transporting equipment | |
| CN103287805B (en) | Chain bucket | |
| CN209554712U (en) | A kind of tipper lifting device | |
| CN107572447A (en) | A kind of transfer pallet fork lift and vehicle production line | |
| CN112978180A (en) | High-speed light-duty layer changing elevator | |
| CN212197053U (en) | Stereoscopic warehouse tunnel stacker | |
| CN207259084U (en) | A kind of transfer pallet fork elevator and the vehicle production line using the elevator | |
| CN110723679A (en) | Fixed vertical lift hoist | |
| CN207551851U (en) | The auxiliary support mechanism and its handling system of AGV carriers | |
| CN202754713U (en) | Hoisting portal frame | |
| CN213387553U (en) | Multifunctional vehicle for centralized transportation, hoisting and installation | |
| CN211688068U (en) | Fixed vertical lift hoist | |
| CN109850535A (en) | A kind of large-scale workpiece turnover device | |
| CN207158709U (en) | Transfer pallet fork lift and vehicle production line | |
| CN2775020Y (en) | Crane small cart | |
| CN107604776B (en) | Convenient beam transverse crane for railway track construction | |
| CN215854729U (en) | Gantry crane for high-speed rail | |
| CN215249127U (en) | Large-span multi-branch point control suspension crane | |
| CN110439292A (en) | Fabrication and installation system and construction technology for large-scale closed type industrial stockyard roof truss | |
| CN112897364B (en) | Tool trolley for hoisting GIL through pipe | |
| CN2511655Y (en) | Double speed portal/bridge cranes with flute beams | |
| CN105800472A (en) | Logistics transfer device | |
| CN210313214U (en) | Telescopic structure of crane |
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 |