CN202846244U - Lifting device - Google Patents
Lifting device Download PDFInfo
- Publication number
- CN202846244U CN202846244U CN 201220512386 CN201220512386U CN202846244U CN 202846244 U CN202846244 U CN 202846244U CN 201220512386 CN201220512386 CN 201220512386 CN 201220512386 U CN201220512386 U CN 201220512386U CN 202846244 U CN202846244 U CN 202846244U
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- Prior art keywords
- push rod
- lowering
- hoisting gear
- driving shaft
- driving
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- Expired - Lifetime
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- 230000007246 mechanism Effects 0.000 claims abstract description 69
- 230000033001 locomotion Effects 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 13
- 230000005484 gravity Effects 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 230000009194 climbing Effects 0.000 abstract 2
- 230000008569 process Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003028 elevating effect Effects 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model provides a lifting device, which comprises a top plate mechanism used for placing a workpiece to be processed; the jacking mechanism is used for driving the top plate mechanism to lift; the driving mechanism is used for driving the jacking mechanism; the jacking mechanism comprises more than one ejector rod. The gravity center change of first roof can be offset to a certain extent in the setting of a plurality of ejector pins for climbing mechanism can be steadily climbing roof mechanism, makes roof mechanism rise the in-process and can not swing. Therefore, on one hand, the workpiece to be processed runs stably, and the first top plate does not have the uneven phenomenon after stopping moving, so that the web welding quality is improved; on the other hand, the movement between the guide post and the guide sleeve of the guide mechanism of the lifting device connected with the top plate mechanism does not cause the clamping stagnation phenomenon, the top plate does not need to be knocked manually, the labor intensity is reduced, and the working efficiency is improved.
Description
Technical field
The utility model relates to field of machining, more specifically, relates to a kind of lowering or hoisting gear.
Background technology
In mechanical processing process, especially in the heavy-duty machinery process, frequent workpiece to be processed need to being placed on makes it on the lowering or hoisting gear to rise or drop to certain altitude.
Lowering or hoisting gear during as depicted in figs. 1 and 2, take web as workpiece to be processed is example.Existing lowering or hoisting gear is the single-point lowering or hoisting gear, and the rotation of threaded mandrel 30 ' is with the top board (40 ', 50 ') and guide pin bushing 20 ' one lifting that link together.Existing single threaded mandrel 30 ' supports and can not make the steady lifting of frock.Main cause is that top board 40 ' can mill the locating hole of different sizes, diverse location according to the variation of product at top board 40 ', thereby causes the center of gravity of top board 40 ' also changing, and the position of single threaded mandrel 30 ' is fixing, and center of gravity can't be regulated.If the fit clearance too little (being that required precision is high) of guide pillar 10 ' and guide pin bushing 20 ', so that make difficult, cost improves; If guide pillar 10 ' and the fit clearance of guide pin bushing 20 ' are crossed conference clamping stagnation when causing guide pillar 10 ' with guide pin bushing 20 ' motion, need hammer repeatedly to knock top board (40 ', 50 '), again lifting of lowering or hoisting gear.
As depicted in figs. 1 and 2, the course of work of lowering or hoisting gear is as follows:
First ratchet spanner is enclosed within on the axle 60 ', rotary spanner makes axle 60 ' drive the first gear 71 ' and drives the 72 ' rotation of the second gear, and the second gear 72 ' makes threaded mandrel 30 ' drive top board 40 ' when rotating, top board 50 ' rises or descends.
1, because locating hole is arranged on the top board 40 ', locating hole increases with the increase of product, whenever adding a locating hole can make the center of gravity of top board 40 ' and top board 50 ' change, guide pin bushing 20 ' and guide pillar 10 ' clamping stagnation when causing the lifting of this mechanism, need hammer to knock, mechanism can not rise by balance and stability, has increased labour intensity, has reduced operating efficiency;
2, because top board 40 ' is oversize with top board 50 ', effort, time-consuming when ratchet spanner rotates, inefficiency;
3, after lowering or hoisting gear rising or the decline, there is uneven phenomenon in top board 40 ', has a strong impact on the welding quality of web.
The utility model content
The utility model purpose is to provide a kind of lowering or hoisting gear that can steadily rise and improve to be processed crudy.
The utility model provides a kind of lowering or hoisting gear, comprises top panel mechanism, is used for laying to be processed; Lifting body is used for driving the top panel mechanism lifting; Driving mechanism is used for driving lifting body; Lifting body comprises more than one push rod.
Further, lifting body comprises three push rods, is respectively the first push rod, the second push rod and the 3rd push rod that axis arranges with paralleling.
Further, driving mechanism comprises driving shaft and transmission mechanism, and driving shaft drives the lifting body motion by transmission mechanism, and the axis of driving shaft coincides in the projection of geometric center on horizontal plane of the projection on the horizontal plane and top panel mechanism.
Further, the first push rod, the second push rod and the 3rd push rod around be arranged on driving shaft around.
Further, the axis of the first push rod, the second push rod and the 3rd push rod is respectively R1, R2 and R3 in the distance of axis between the projection on the horizontal plane of the projection on the horizontal plane and driving shaft, wherein, and R1=R2=R3=R.
Further, 50mm≤R≤130mm.
Further, the axis of the first push rod, the second push rod and the 3rd push rod is respectively θ 1, θ 2 and θ 3 at the angle of the line of axis between the projection on the horizontal plane of the projection on the horizontal plane and driving shaft, wherein, and θ 1=θ 2=θ 3.
Further, transmission mechanism comprises the first gear and the second gear that is meshed, and wherein, driving shaft is connected with the first gear drive, and the second gear drives with lifting body and is connected.
Further, lowering or hoisting gear also comprises guiding mechanism, is connected with top panel mechanism, and it comprises guide pillar and is set in the guide pin bushing in the guide pillar outside.
Further, the length of guide pin bushing is L, wherein, and L 〉=60mm.
According to lowering or hoisting gear of the present utility model, a plurality of push rods are set, under the driving of driving mechanism, drive top panel mechanism jacking or decline.A plurality of push rods the gravity center shift that can offset to a certain extent the first top board is set so that lifting body jacking top panel mechanism reposefully, so that can not swing in the top panel mechanism uphill process.Like this, workpiece to be processed operates steadily on the one hand, and the first top board uneven phenomenon can not occur after stop motion, improves the web welding quality; Motion between the guide pillars and bushes of the guiding mechanism that is connected with top panel mechanism of lowering or hoisting gear catching phenomenon can not occur yet on the other hand, need not manually to knock top board, has reduced labour intensity, has improved operating efficiency.
Description of drawings
The accompanying drawing that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the main TV structure schematic diagram of existing lowering or hoisting gear;
Fig. 2 is the side-looking structural representation of existing lowering or hoisting gear;
Fig. 3 is the main TV structure schematic diagram according to lowering or hoisting gear of the present utility model;
Fig. 4 is the side-looking structural representation according to lowering or hoisting gear of the present utility model; And
Fig. 5 is the plan structure schematic diagram according to lowering or hoisting gear of the present utility model.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 3 and Figure 4, according to lowering or hoisting gear of the present utility model, comprising: top panel mechanism is used for laying to be processed; Lifting body 30 is used for driving the top panel mechanism lifting; Driving mechanism is used for driving lifting body; Wherein, lifting body 30 comprises more than one push rod.
In the present embodiment, a plurality of push rods are set, under the driving of driving mechanism, drive top panel mechanism jacking or decline, thereby so that be placed in to be processed lifting on the top panel mechanism to the position to be processed of appointment.Lowering or hoisting gear during take web as workpiece to be processed is example, and top panel mechanism comprises the first top board 40 and is positioned at the second top board 50 of the first top board 40 lower ends.In order to mate different webs, the locating hole of the different sizes of milling, diverse location on the first top board 40, thus cause the center of gravity of the first top board 40 to change.A plurality of push rods the gravity center shift that can offset to a certain extent the first top board 40 is set so that lifting body jacking top panel mechanism reposefully, so that can not swing in the top panel mechanism uphill process.Like this, workpiece to be processed operates steadily on the one hand, and the first top board uneven phenomenon can not occur after stop motion, improves the web welding quality; The guide pillar 10 of the guiding mechanism that is connected with top panel mechanism of lowering or hoisting gear and the motion that is set between the guide pin bushing 20 in guide pillar 10 outsides catching phenomenon can not occur yet on the other hand, need not manually repeatedly to knock top panel mechanism, reduce labour intensity, improved operating efficiency.
Preferably, the length of guide pin bushing 20 is L, wherein, and L 〉=60mm.By increasing the length of guide pin bushing, further solved the catching phenomenon that produces when guide pin bushing 20 moves with guide pillar 10.
One preferably among the embodiment of the present utility model, as shown in Figure 3, lifting body 30 comprises three push rods, is respectively the first push rod 31, the second push rod 32 and the 3rd push rod 33 that axis arranges with paralleling.The setting of three push rods can be so that top panel mechanism operation be more steady, and further prevents from catching phenomenon occurring between guide pillar 10 and the guide pin bushing 20.
As shown in Figure 4, preferably, driving mechanism comprises driving shaft 60 and transmission mechanism, and driving shaft 60 drives lifting body 30 motions by transmission mechanism, and the axis of driving shaft 60 coincides in the projection of geometric center on horizontal plane of the projection on the horizontal plane and top panel mechanism.The first push rod 31, the second push rod 32 and the 3rd push rod 33 around be arranged on driving shaft 60 around.
Three push rods be looped around driving shaft 60 around, as far as possible so that the center of gravity of top panel mechanism fall in the circle that three push rods surround, thereby so that top panel mechanism easy motion.
As shown in Figure 4, the axis of the first push rod 31, the second push rod 32 and the 3rd push rod 33 is respectively R1, R2 and R3 in the distance of axis between the projection on the horizontal plane of the projection on the horizontal plane and driving shaft 60, wherein, and R1=R2=R3=R.At the D=2R shown in Fig. 4.
In the present embodiment, the distance between the floor projection of the floor projection of three push rod axis and the axis of driving shaft 60 equates, can be further so that the top panel mechanism easy motion.
Preferably, 50mm≤R≤130mm.Through repeatedly measuring and optimizing, the variation of the position of centre of gravity of the top panel mechanism that mates different webs analyzed learn, it is in the circle between the 100mm to 260mm that diameter is dropped in the position of the center of gravity of top panel mechanism, thereby designed the position of the first push rod 31, the second push rod 32 and the 3rd push rod 33, thereby fundamentally solved owing to will mate the web welding quality instability problem that guide pillar 10 that the variation of the position of centre of gravity of the top panel mechanism that multiple web causes causes and the clamping stagnation problem between the guide pin bushing 20 and top panel mechanism injustice cause.
Preferably, the axis of the first push rod 31, the second push rod 32 and the 3rd push rod 33 is respectively θ 1, θ 2 and θ 3 at the angle of the line of axis between the projection on the horizontal plane of the projection on the horizontal plane and driving shaft 60, wherein, and θ 1=θ 2=θ 3.As shown in Figure 4, three push rods are evenly distributed in the circle that is projected as the center of circle of axis on horizontal plane with driving shaft, and the projection on its each comfortable horizontal plane and the angle of the line between the center of circle are 120 °.
As shown in Figure 3, transmission mechanism comprises the first gear 71 and the second gear 72 that is meshed, and wherein, driving shaft 60 drives with the first gear 71 and is connected, and the second gear 72 drives with lifting body 30 and is connected.
The work of multi-gear engagement balance lifting mechanism mainly is that the rotation transmission of driving shaft 60 is to transmission mechanism by machine driving.The first gear 71 of transmission mechanism is set on the driving shaft 60, and the second gear 72 is set on the push rod.In the present embodiment, three the second gears 72 respectively with the first push rod 31, the second push rod 32 and the 3rd push rod 33 by the screw thread transmission, thereby and drive respectively three push rods and rotate synchronously and finally drive three push rod liftings.Three push rods are connected with the second top board 50 by bolt respectively, and the second top board 50 also is threaded with guide pin bushing 20, and guide pin bushing 20 and guide pillar 10 are done rectilinear motion by matched in clearance.
The course of work of lowering or hoisting gear of the present utility model is as follows:
Formerly ratchet spanner is enclosed within on the driving shaft 60, rotating ratchet wrench drives driving shaft 60 rotations; First gear 71 that rotarily drives of driving shaft 60 rotates.The external toothing of the first gear 71 and 3 the second gears 72 is rotated, the second gear 72 rotates to cooperate with the first push rod 31, the second push rod 32 and the 3rd push rod 33 respectively again simultaneously and makes the first push rod 31, the second push rod 32 and the 3rd push rod 33 rise simultaneously or descend, and the synchronization lifting of the first push rod 31, the second push rod 32 and the 3rd push rod 33 drives the first top board 40, the second top board 50, guide pin bushing 20 and moves together.
As can be seen from the above description, the utility model the above embodiments have realized following technique effect:
1, optimized structure: according to the variation of the first top board and the second top board center of gravity, use three push rods instead, center of gravity is dropped in the circle that diameter is 100mm to 260mm, can make the balance exercise of this elevating mechanism like this;
2, behind the lengthening guide pin bushing, motion is steady, without clamping stagnation;
3, lifting steadily, rapid operation, efficient be high, shortened the adjustment time of elevating mechanism when product switches.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. lowering or hoisting gear comprises:
Top panel mechanism is used for laying to be processed;
Lifting body (30) is used for driving described top panel mechanism lifting;
Driving mechanism is used for driving described lifting body;
It is characterized in that, described lifting body (30) comprises more than one push rod.
2. lowering or hoisting gear according to claim 1 is characterized in that, described lifting body (30) comprises three push rods, is respectively the first push rod (31), the second push rod (32) and the 3rd push rod (33) that axis arranges with paralleling.
3. lowering or hoisting gear according to claim 2, it is characterized in that, described driving mechanism comprises driving shaft (60) and transmission mechanism, described driving shaft (60) drives described lifting body (30) motion by described transmission mechanism, and the axis of described driving shaft (60) coincides in the projection of geometric center on horizontal plane of the projection on the horizontal plane and described top panel mechanism.
4. lowering or hoisting gear according to claim 3 is characterized in that, described the first push rod (31), described the second push rod (32) and described the 3rd push rod (33) around be arranged on described driving shaft (60) around.
5. lowering or hoisting gear according to claim 3, it is characterized in that, the axis of described the first push rod (31), described the second push rod (32) and described the 3rd push rod (33) is respectively R1, R2 and R3 in the distance of axis between the projection on the horizontal plane of the projection on the horizontal plane and described driving shaft (60), wherein, R1=R2=R3=R.
6. lowering or hoisting gear according to claim 5 is characterized in that, 50mm≤R≤130mm.
7. lowering or hoisting gear according to claim 4, it is characterized in that, the axis of described the first push rod (31), described the second push rod (32) and described the 3rd push rod (33) is respectively θ 1, θ 2 and θ 3 at the angle of the line of axis between the projection on the horizontal plane of the projection on the horizontal plane and described driving shaft (60), wherein, θ 1=θ 2=θ 3.
8. lowering or hoisting gear according to claim 3, it is characterized in that, described transmission mechanism comprises the first gear (71) and the second gear (72) that is meshed, wherein, described driving shaft (60) drives with described the first gear (71) and is connected, and described the second gear (72) drives with described lifting body (30) and is connected.
9. lowering or hoisting gear according to claim 1 is characterized in that, also comprises guiding mechanism, is connected with described top panel mechanism, and it comprises guide pillar (10) and is set in the guide pin bushing (20) in guide pillar (10) outside.
10. lowering or hoisting gear according to claim 9 is characterized in that, the length of described guide pin bushing (20) is L, wherein, and L 〉=60mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220512386 CN202846244U (en) | 2012-10-08 | 2012-10-08 | Lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220512386 CN202846244U (en) | 2012-10-08 | 2012-10-08 | Lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202846244U true CN202846244U (en) | 2013-04-03 |
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ID=47977480
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220512386 Expired - Lifetime CN202846244U (en) | 2012-10-08 | 2012-10-08 | Lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202846244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139318A (en) * | 2013-05-06 | 2014-11-12 | 苏州久工自动化科技有限公司 | Stepping type conveying mechanism |
-
2012
- 2012-10-08 CN CN 201220512386 patent/CN202846244U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104139318A (en) * | 2013-05-06 | 2014-11-12 | 苏州久工自动化科技有限公司 | Stepping type conveying mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |