CN202226610U - Fork scissor lift - Google Patents
Fork scissor lift Download PDFInfo
- Publication number
- CN202226610U CN202226610U CN2011203594874U CN201120359487U CN202226610U CN 202226610 U CN202226610 U CN 202226610U CN 2011203594874 U CN2011203594874 U CN 2011203594874U CN 201120359487 U CN201120359487 U CN 201120359487U CN 202226610 U CN202226610 U CN 202226610U
- Authority
- CN
- China
- Prior art keywords
- leading screw
- scissor
- stull
- lifting arm
- fork
- 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.)
- Expired - Fee Related
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- Forklifts And Lifting Vehicles (AREA)
Abstract
The utility model relates to a fork scissor lift which comprises a support frame, a base, a motor, a lead screw, two groups of fork scissor lifting arms and a cross support, wherein the upper ends of the fork scissor lifting arms are hinged with the support frame, the lower ends of the fork scissor lifting arms are connected with the base in a sliding or rolling manner, the two ends of the cross support are hinged with the corresponding fork scissor lifting arms, the motor is connected with the lead screw in a driving manner, and the top end of the lead screw is in pluggable connection with the cross support. The fork scissor lift adopts a unique design to overcome the defect of using an electronic switch to control the motor and also save the cost, so that safety in the lifting process is improved, and the accident that the motor cannot stop in time and further damages the lifting arms and the motor is avoided.
Description
One, technical field
The utility model relates to the lifting machinery device, particularly relates to a kind of fork type elevator.
Two, background technology
At present, in food machinery industry, the lifting transport field, the lifting mechanism that has the scissor-type lifting arm is widely used.In the prior art, be to connect the scissor-type lifting arm through leading screw, leading screw and being connected of scissor-type lifting arm can not separate; Drive the scissor-type lifting arm by the motor-driven leading screw and rise and descend, when lifting mechanism rises to vertex or drops to nadir, be through the rotation of control motor realize leading screw startup, stop and commutating; It generally is rotation through electronics package control motor; In case electronics package breaks down, can not control that motor stops timely and the rotation that commutates, motor will continue to draw lifting mechanism and continue to rise or descend; And elevator jib rises to vertex or drop to nadir after; Frame will stop that lifting arm continue to rise or descend, this moment lifting arm owing to receive the effect of opposing force, cause lifting mechanism to be drawn bad easily and burn motor.And, the lifting mechanism of operation in wet environment, electronics package makes moist or intakes and very easily breaks down, and causes lifting mechanism infringement phenomenon to take place frequently.
Three, utility model content
The purpose of the utility model; Be in order to solve the problem that motor can not in time stop operating and cause lifting mechanism and motor to damage; In order to realize the purpose of the utility model, the utility model provides a kind of fork type elevator, comprises carriage, base, motor, leading screw, two groups of scissor-type lifting arms, stull; Slide or roll and be connected on the base in the upper end hinge bracket of scissor-type lifting arm, lower end; The hinged cooresponding scissor-type lifting arm in stull two ends, motor-driven connects leading screw, and the leading screw top is connected with the stull plug-in.
Said leading screw top can be provided with a pallet; Jack of pallet central authorities excavation, below, stull middle part is provided with a friction disc, and the card middle part is set with a plug under the friction disc; Plug is connected with jack coupling plug-in, and leading screw comprises the silk section on top and the smooth section of bottom.The length of plug is slightly less than the jack degree of depth, and plug is plugged in the jack, and friction disc is contacted with pallet.Can decide the height of the rising of fork type elevator according to the length of silk section.Plug and jack can play the centralized positioning effect.
Said carriage can be made up of two stripe board and two adapter shafts, the parallel connection stripe board of adapter shaft; Carriage also can be a square plate or circular slab.
Said base is provided with chute; Every group of scissor-type lifting arm comprise cut on a pair of yoke and a pair of under cut yoke; On cut yoke upper end and be hingedly fixed on the carriage; The lower end of cutting yoke down is connected in the chute of base through slide shaft slip or rolling, cuts the two ends that yoke intersection is hinged on slide shaft down.
Chute length range in the said base is 10 centimetres to 200 centimetres.The height that the length decision lifting arm of chute descends.
The holding groove with the stull coupling can be arranged in said leading screw top, and the groove with leading screw top coupling also can be set in stull.
When said scissor-type lifting arm rose to the extreme higher position, the fork angular range of cutting that the scissor-type lifting arm forms was that 30 degree are to 60 degree.The adjustable height that length through silk section on the design leading screw decides is cut the fork angle in the time of can setting lifting arm and be in the extreme higher position through the length of lifting arm.Cutting the fork angle when lifting arm rises to the extreme higher position influences the stressed of lifting arm when excessive and too small, damages lifting arm easily.
The utility model adopts the separable of plug-in to be connected the connection mode of leading screw and scissor-type lifting arm; Make lifting arm when dropping to nadir; Leading screw and lifting arm natural separation have been avoided motor in time not stop operating and are damaged lifting mechanism and burn the generation of motor accident; Through the leading screw bottom smooth section is set, when lifting arm rose to vertex, motor-driven worm gear rotated to smooth section, and worm gear idle running no longer drives leading screw and continues to rise, and had avoided motor stall in time and damaged the accident generation of lifting arm and motor.The utility model had both overcome the disadvantage of electronic switch to electric machine control through the unique design of structure, provided cost savings again, had improved the safety of lifting process.
Four, description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is the structural representation of elevating screw and band plug friction disc;
Five, the specific embodiment
Referring to Fig. 1, Fig. 2, label declaration among the figure, 1 expression motor, 2 expression carriages, 3 expression leading screws; 4 expression bases, 5 expression scissor-type lifting arms, 6 expression stulls, 7 expression plugs, 8 expression friction discs; 9 expression jacks, 10 expression pallets, 11 expression smooth section, 12 expression slide shafts, the fork angle is cut in 13 expressions.
The utility model embodiment one, with reference to Fig. 1, Fig. 2, the fork type elevator among the figure comprises carriage 2, base 4, motor 1, leading screw 3, two groups of scissor-type lifting arms 5, stull 6.Cut the yoke top on the scissor-type lifting arm 5 and be hinged on the sidewall of two stripe board of carriage 2 through gear respectively, with two transverse axis with two parallel connections of stripe board; The following bottom of cutting yoke of scissor-type lifting arm 5 is with 12 corresponding connections of two slide shafts, and the two ends of slide shaft 12 are slidingly connected in the chute of base 4; The following yoke hinge-point place of cutting of scissor-type lifting arm 5 is through 6 corresponding connections of stull; Fixing friction disc 8 in below, middle part of stull 6; The fixing pallet 10 in fixing cylindrical smooth plug 7 leading screws 3 tops of 8 times card central lower of friction disc; Pallet 10 centers excavation has a center positioning hole 9, and center positioning hole 9 is complementary with plug 7, and plug 7 connects with jack 9 corresponding plug-ins.The silk section is arranged on leading screw 3 tops, the maximum vertical penetration of silk segment length decision lifting arm, and smooth section 11 is arranged in leading screw 3 bottoms, and during the lifting arm hit the ceiling, worm gear breaks away from the silk section and contacts with smooth section; Motor 1 connects leading screw 3 through worm-gear driven; The length of silk section on length through selecting the scissor-type lifting arm and the leading screw, the fork angle 13 of cutting that forms when the scissor-type lifting arm is risen to vertex is set to 30 and spends.
During work, the motor-driven leading screw rises, and the pallet on leading screw top plug of friction disc in stull is plugged on; Pallet contacts with friction disc and heads on the stull rising, and stull drives the scissor-type lifting arm rises, and scissor-type lifting arm jack-up carriage rises; Carriage is when rising to vertex, and worm gear breaks away from leading screw top silk section, and running contact is to the smooth section of leading screw bottom; Worm gear idle running, leading screw no longer rises; When carriage descends, the worm gear counter-rotating, leading screw descends, and when carriage dropped to nadir, the pallet on the leading screw separated with friction disc in the stull, and worm gear is rotated further, and leading screw descends and no longer drives stull and descend.When having guaranteed that like this carriage is in highs and lows,, can not damage motor and jacking equipment no matter whether motor in time stops operating.
The utility model had both overcome the disadvantage of electronic switch to electric machine control through the unique design of structure, provided cost savings again, had improved the safety of lifting process, had avoided motor stall in time and the accident of damaging lifting arm and motor takes place.
Claims (9)
1. fork type elevator; Comprise carriage, base, motor, leading screw, two groups of scissor-type lifting arms, stull; Slide or roll and be connected on the base in the upper end hinge bracket of scissor-type lifting arm, lower end; Two groups of scissor-type lifting arm correspondences are hinged on the stull two ends, and motor-driven connects leading screw, and it is characterized in that: the leading screw top is connected with the stull plug-in.
2. fork type elevator according to claim 1; It is characterized in that: said leading screw top is provided with a pallet; Jack of pallet central authorities excavation, below, stull middle part is provided with a friction disc, and the card middle part is set with a plug under the friction disc; Plug is connected with jack coupling plug-in, and leading screw comprises the silk section on top and the smooth section of bottom.
3. fork type elevator according to claim 1 is characterized in that: said carriage is made up of two stripe board and two adapter shafts, the parallel connection stripe board of adapter shaft.
4. fork type elevator according to claim 1 is characterized in that: carriage is a square plate.
5. fork type elevator according to claim 1; It is characterized in that: said base is provided with chute; Every group of scissor-type lifting arm comprise cut on a pair of yoke and a pair of under cut yoke; On cut yoke upper end and be hingedly fixed on the carriage, sliding or roll through slide shaft and be connected in the chute of base in the lower end of cutting yoke down, cuts the two ends that yoke intersection is hinged on slide shaft down.
6. fork type elevator according to claim 5 is characterized in that: the chute length range on the said base is 10 centimetres to 200 centimetres.
7. fork type elevator according to claim 1 is characterized in that: the holding groove with the stull external appearance matching is arranged on said leading screw top, and the stull middle part is plugged in the holding groove.
8. fork type elevator according to claim 1 is characterized in that: the groove that matees with the leading screw end shape is set in the said stull, and the leading screw top is plugged in the groove.
9. fork type elevator according to claim 1 is characterized in that: when said scissor-type lifting arm rose to the extreme higher position, the fork angular range of cutting that forms between the scissor-type lifting arm was that 30 degree are to 60 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203594874U CN202226610U (en) | 2011-09-23 | 2011-09-23 | Fork scissor lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203594874U CN202226610U (en) | 2011-09-23 | 2011-09-23 | Fork scissor lift |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202226610U true CN202226610U (en) | 2012-05-23 |
Family
ID=46077209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203594874U Expired - Fee Related CN202226610U (en) | 2011-09-23 | 2011-09-23 | Fork scissor lift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202226610U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112798A (en) * | 2012-11-09 | 2013-05-22 | 无锡市洪成造纸机械有限公司 | Fixed type drive lead screw lifting platform |
| CN106379834A (en) * | 2016-11-24 | 2017-02-08 | 华南理工大学 | Liftable moving robot |
| CN107601347A (en) * | 2017-11-07 | 2018-01-19 | 中山市巨洋金属制品有限公司 | A kind of hoistable platform |
| CN112723260A (en) * | 2020-12-23 | 2021-04-30 | 侯艳权 | Lifting device for be used for maintenance transformer |
-
2011
- 2011-09-23 CN CN2011203594874U patent/CN202226610U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103112798A (en) * | 2012-11-09 | 2013-05-22 | 无锡市洪成造纸机械有限公司 | Fixed type drive lead screw lifting platform |
| CN106379834A (en) * | 2016-11-24 | 2017-02-08 | 华南理工大学 | Liftable moving robot |
| CN107601347A (en) * | 2017-11-07 | 2018-01-19 | 中山市巨洋金属制品有限公司 | A kind of hoistable platform |
| CN112723260A (en) * | 2020-12-23 | 2021-04-30 | 侯艳权 | Lifting device for be used for maintenance transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120523 Termination date: 20160923 |