CN103818729A - Setting machine lifting device - Google Patents
Setting machine lifting device Download PDFInfo
- Publication number
- CN103818729A CN103818729A CN201410094491.0A CN201410094491A CN103818729A CN 103818729 A CN103818729 A CN 103818729A CN 201410094491 A CN201410094491 A CN 201410094491A CN 103818729 A CN103818729 A CN 103818729A
- Authority
- CN
- China
- Prior art keywords
- take
- landing strip
- setting machine
- link span
- lifting
- 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.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Winding, Rewinding, Material Storage Devices (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A setting machine lifting device comprises a walking trolley arranged on a setting machine, and a liftable connecting frame which is arranged below the walking trolley and is used for mounting setting machine tongs, wherein the top of the connecting frame is provided with four vertically upward guide pillars, the walking trolley is provided with guide sleeves matched with the guide pillars, a lifting strip coiling block which is driven by a variable frequency motor and is subjected to speed adjusting by a speed reducer is arranged on the walking trolley, one end, wound on the lifting strip coiling block, of a lifting strip downwards penetrates out from a hole formed in the walking trolley, and is fixedly connected with the connecting frame, the lifting strip coiling block coils the lifting strip under the drive of the variable frequency motor so as to drive the connecting frame to make vertical lifting motion, the walking trolley is provided with a lower position inductor for inducting the lower limit position of the lifting motion of the connecting frame, and the connecting frame is provided with an upper position inductor for inducting the upper limit position of the lifting motion of the connecting frame. The setting machine lifting device is simple in structure, fast and smooth in lifting and accurate in positioning, the production efficiency is greatly improved, and the production cost is reduced.
Description
Technical field
The present invention relates to a kind of setting machine in walling automation equipment, especially relate to a kind of setting machine jacking system.
Background technology
In the production process of walling brick, after the adobe of producing through brick press is organized into groups by belt feeder, full automaticity setting machine handgrip declines and captures adobe, then rise and be moved horizontally to kiln car top, full automaticity setting machine handgrip declines and carries out piling, then full automaticity setting machine handgrip rises again, and oppositely parallel motion is got back to the top of belt feeder.In the one-period of full automaticity setting machine work full automaticity setting machine handgrip need under on twice, move back and forth once.According to the needs of actual production, require the lifting of full automaticity setting machine handgrip fast and steady, existing full automaticity setting machine jacking system adopts hydraulic efficiency gear, chain gearing speed substantially to meet piling requirement, but in lifting process due to the reasons in structure of chain gear itself cause shake with vibration comparatively serious, thereby there is falling the problems such as brick, attaching screw pine, framing member snap; Easily there is leakage of oil in hydraulic efficiency gear in addition, control cock is stopped up faults such as (card valves), need periodic replacement hydraulic oil, maintenance cost is higher, no matter be in addition hydraulic efficiency gear or chain gearing, the volume of himself and weight are all larger, high to horizontally moving device requirement, cause the consumption of the energy larger.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of setting machine jacking system, guarantee non-jitter and the vibration simultaneously of full automaticity setting machine handgrip lifting fast speed, maintenance cost is low, and own wt is light, low to horizontally moving device requirement, can reduce the consumption of the energy.
The present invention in order to solve the problems of the technologies described above adopted technical scheme is: a kind of setting machine jacking system, comprise one be arranged on walking dolly on setting machine underframe and one liftable be arranged on walking dolly below for the link span of setting machine handgrip is installed, the top of described link span is distributed with four guide pillars straight up, and walking dolly is provided with the guide pin bushing matching with guide pillar; On walking dolly, be provided with a take off and landing strip reel that is driven by variable-frequency motor and carry out speed governing by reductor, in the hole that one end of the take off and landing strip of winding on take off and landing strip reel is offered from walking dolly, pass straight down, and be fixedly connected with the middle part of link span, take off and landing strip reel can be under the driving of variable-frequency motor scrolling take off and landing strip, thereby drive link span vertical lifting motion under the guiding of guide pillars and bushes; On walking dolly, be provided with the next inductor of responding to link span dipping and heaving lower position by the end position between induction guide pillar and walking dolly, on link span, be provided with the upper inductor of responding to link span dipping and heaving upper limit position by the end position between induction link span and underframe.
Further, described the next inductor and upper inductor are displacement pickup or the sensor block that coordinates with displacement pickup.
Further, described take off and landing strip reel is a roller shaft, the diameter of two ends of described roller shaft is identical, middle part diameter is larger than the diameter at two ends, be provided with the groove for laying take off and landing strip end at the middle part of roller shaft, the roller shaft surface portion that groove is set is set to plane, one end of described take off and landing strip is the structure that folding braiding is made, this end is placed in described groove, and be fixed by the pressing plate that is pressed in groove outside, the contact surface of described pressing plate and groove is plane, the another side relative with this contact surface is and the face of cylinder of roller shaft middle part equal diameters.
Further, described link span is provided with take off and landing strip holding device, and described take off and landing strip is connected with link span by take off and landing strip holding device.
Further, described take off and landing strip is pancake, described take off and landing strip holding device is two L shaped clamping plate that are fixedly installed on link span, two described back-to-back settings of L shaped clamping plate, take off and landing strip is fixed by screws between two L shaped clamping plate, described screw is a plurality of, is two row and is arranged symmetrically with in the direction consistent with lifting direction.
Further, at the other end of described speed reducer output shaft, holdback is installed.
Further, described variable-frequency motor is with band brake apparatus.
The invention has the beneficial effects as follows:
1, the present invention drives and reductor speed governing by motor, then the mode that drives take off and landing strip reel to rotate, drive take off and landing strip extend and shorten, thereby make full automaticity setting machine handgrip do vertical displacement movement, because take off and landing strip is platypelloid type, its in the process of lifting again by the guiding of guide pillars and bushes, therefore guaranteed that full automaticity setting machine handgrip accomplishes non-jitter vibration at vertical lift fast speed simultaneously, reduced and fallen the frequency of brick and because the problem such as the attaching screw that vibration causes is loosening, framing member snaps;
2, take off and landing strip reel can guarantee with the connection mode of take off and landing strip the fastness being connected in the situation that not reducing take off and landing strip intensity.
3, actuating device adopts variable-frequency motor, can be by accelerate slowly (realizing by frequency conversion) in the time of starting, can (realizing by frequency conversion) from fast to slow while stopping, thereby the impact bringing due to inertia when reducing starting and stopping, make full automaticity setting machine handgrip start to stop remaining smooth running to last motion from motion in vertical lift process, the band brake apparatus of variable-frequency motor can guarantee again the accuracy of locating when full automaticity setting machine handgrip stops;
4, the present invention is pure mechanical drive, stop leakage of oil completely, control cock is stopped up faults such as (card valves), do not need to change hydraulic oil, maintenance cost is low, and the present invention has used nonmetallic take off and landing strip as main drive disk assembly, has reduced the weight of self, horizontally moving device is required to decrease, thereby further reduced the consumption of the energy.
Accompanying drawing explanation
Fig. 1 is main TV structure schematic diagram of the present invention.
Fig. 2 is the left TV structure schematic diagram of Fig. 1.
Fig. 3 is the plan structure schematic diagram of Fig. 1.
Fig. 4 is the johning knot composition of take off and landing strip reel and take off and landing strip.
Fig. 5 is the A-A view of Fig. 4.
In figure, 1, variable-frequency motor, 2, reductor, 3, holdback, 4, coupler, 5, guide pin bushing, 6, bearing, 7, walking dolly, 8, guide pillar, 9, take off and landing strip, 10, underframe, 11, take off and landing strip holding device, 12, full automaticity setting machine handgrip, 13, link span, 14, the next inductor, 15, the next inductor support, 16, upper inductor, 17, upper inductor support, 18, take off and landing strip reel, 19, L shaped clamping plate, 20, pressing plate, 21, baffle plate, 22, bridge screw, 23, parting of baffle bolt, 24, step section.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to further concrete detailed explanation.
A kind of setting machine jacking system, comprise one be arranged on walking dolly 7 on setting machine and one liftable be arranged on walking dolly 7 belows for the link span 13 of setting machine handgrip is installed, walking dolly 7 is arranged on the underframe 10 of setting machine, the top of link span 13 is distributed with four guide pillars 8 straight up, and walking dolly 7 is provided with the guide pin bushing 5 matching with guide pillar 8; On walking dolly 7, be provided with a take off and landing strip reel 18 that drives and undertaken by reductor 2 speed governing by variable-frequency motor 1, take off and landing strip reel is a roller shaft, the diameter of two ends of roller shaft is identical, two ends are supported by a bearing 6 respectively, middle part diameter is larger than the diameter at two ends, between the middle part of roller shaft and two ends, is respectively equipped with the step section 24 of diameter between middle part and two ends diameter.Cut out vertically a plane parallel with roller shaft axis at the middle part of roller shaft, then in described plane, be provided for laying the groove of take off and landing strip end, groove is microscler, its length direction is consistent with the axis direction of roller shaft, groove can arrange optional position in the plane, is preferably located at the other end contrary with its external part, and take off and landing strip 9 is pancake, its one end is the structure that folding braiding is made, and this end is placed in described groove.Pressing plate 20 is set on groove, and pressing plate 20 is a plane with the contact surface of groove, and the another side relative with this contact surface is and the face of cylinder of roller shaft middle part equal diameters.Pressing plate 20 stretches out roller shaft middle part along the axial two ends of roller shaft, be fixed in roller shaft step section 24 in the tapped bore on processing plane, thereby take off and landing strip 9 is fixed on roller shaft by bridge screw 22.
Be respectively equipped with baffle plate 21 at the two ends of pressing plate 20, baffle plate 21 is fixed on roller shaft by parting of baffle bolt 23, on baffle plate 21, be also processed with profile hole with the corresponding position of bridge screw 22, the top of bridge screw 22 is limited by profiled holes, thereby can make baffle plate 21 in blocking take off and landing strip, make bridge screw 22 not become flexible.
In the hole that one end of the take off and landing strip 9 of winding on take off and landing strip reel 18 is offered from walking dolly 7, pass straight down, and be fixedly connected with the middle part of link span 13, take off and landing strip reel 18 can be under the driving of variable-frequency motor 1 scrolling take off and landing strip 9, thereby drive link span 13 vertical lifting motion under the guiding of guide pillar 8 and guide pin bushing 5; On walking dolly 7, be provided with by the next inductor support 15 the next inductor 14 of responding to link span 13 dipping and heaving lower positions by the end position between induction guide pillar 8 and walking dolly 7, on link span 13, be provided with by upper inductor support 17 the upper inductor 16 of responding to link span 13 dipping and heaving upper limit positions by the end position between induction link span 13 and underframe.
Particularly, when the setting of guide pillar 8 makes it be positioned at lower position in guide pin bushing 5, the top of guide pillar 8 still can reach the outside, upper end of guide pin bushing 5, when in the time that the top ends of guide pillar 8 is set to sensor block, described the next inductor 14 is displacement pickup, otherwise in the time that the top of guide pillar 8 is set to displacement pickup, described the next inductor 14 is sensor block; In like manner, in the time being set to sensor block on underframe 10,16 of described upper inductors are displacement pickup, and in the time being set to displacement pickup on underframe 10,16 of described upper inductors are sensor block.
This specific embodiment, the next inductor 14 and upper inductor 16 are displacement pickup.
Take off and landing strip holding device 11 is for being fixedly installed on two L shaped clamping plate 19 on link span 13, the described back-to-back setting of two L shaped clamping plate 19, take off and landing strip 9 is fixed by screws between two L shaped clamping plate 19, described screw is a plurality of, is two row and is arranged symmetrically with in the direction consistent with lifting direction.
Variable-frequency motor 1 is with band brake apparatus, in the time of variable-frequency motor 1 power-off, band brake apparatus quick action stops rapidly motor, avoid variable-frequency motor 1 under inertia, to continue rotation, thereby make full automaticity setting machine handgrip 12 can accurately stop at preposition, if there is during accidental power failure, full automaticity setting machine handgrip 12 also can be because the effect of band brake apparatus there will not be freely low phenomenon in addition.
In order to guarantee that reductor can only be that drive end drives driven end and driven end can not drive drive end; the other end at described reductor 2 output shafts is provided with holdback 3; when variable-frequency motor 1 power-off; when band brake apparatus lost efficacy again unfortunately; holdback 3 can be by reductor 2 is braked, thereby guarantee stopping rapidly not dropping and play the effect of duplicate protection full automaticity setting machine handgrip 12.
When the work of this device, variable-frequency motor 1 does cw or left-hand revolution by control cabin control.After the cw movement instruction of controlled chamber, variable-frequency motor 1 clockwise rotates after reductor 2 slows down and drives take off and landing strip reel 18 to clockwise rotate by coupler 4, take off and landing strip 9 constantly shortens under the winding of take off and landing strip reel 18, take off and landing strip holding device 11 constantly rises under the drive of take off and landing strip 9, the link span 13 connected with take off and landing strip holding device 11 synchronizeed rising, thereby the interior slip of the guide pin bushing 5 of the guide pillar 8 of installing on link span 13 on walking dolly 7 guarantees that link span 13 does upward movement in vertical direction, the full automaticity setting machine handgrip 12 connected with link span 13 also synchronizeed and done vertical ascending motion, when full automaticity setting machine handgrip 12 arrives behind desired location, upper inductor 16 sends electric signal to control cabin, control cabin is received and is sent instruction after signal variable-frequency motor 1 is stopped, full automaticity setting machine handgrip 12 stops rear wait next instruction, after the conter clockwise movement instruction of controlled chamber, variable-frequency motor 1 rotates counterclockwise after reductor 2 slows down and drives take off and landing strip reel 18 to rotate counterclockwise by coupler 4, take off and landing strip 9 is constantly extended under the release of take off and landing strip reel 18, take off and landing strip holding device 11 constantly declines under the drive of take off and landing strip 9, the link span 13 connected with take off and landing strip holding device 11 synchronizeed decline, the guide pillar 8 of installing on link span 13 makes link span 13 do vertical descending motion in the interior slip of guide pin bushing 5, the full automaticity setting machine handgrip 12 connected with link span 13 also synchronizeed and done vertical descending motion, full automaticity setting machine handgrip 12 arrives behind desired location, the next inductor 14 sends electric signal to control cabin, control cabin sends instruction stops variable-frequency motor 1, full automaticity setting machine handgrip 12 stops waiting for next instruction, more than thereby circulation goes round and begins again and makes full automaticity setting machine handgrip 12 do upper and lower perpendicular movement, to guarantee carrying out smoothly of adobe piling work.
Claims (7)
1. a setting machine jacking system, comprise one be arranged on walking dolly (7) on setting machine underframe (10) and one liftable be arranged on walking dolly (7) below for the link span (13) of setting machine handgrip is installed, it is characterized in that: the top of described link span (13) is distributed with four guide pillars (8) straight up, and walking dolly (7) is provided with the guide pin bushing (5) matching with guide pillar (8); On walking dolly (7), be provided with a take off and landing strip reel (18) that is driven by variable-frequency motor (1) and pass through reductor (2) and carry out speed governing, in the hole that one end of the take off and landing strip (9) of winding on take off and landing strip reel (18) is offered from walking dolly (7), pass straight down, and be fixedly connected with the middle part of link span (13), take off and landing strip reel (18) can be under the driving of variable-frequency motor (1) scrolling take off and landing strip (9), thereby drive link span (13) vertical lifting under the guiding of guide pillar (8) and guide pin bushing (5) to move; On walking dolly (7), be provided with by the end position between induction guide pillar (8) and walking dolly (7) and respond to the next inductor (14) of link span (13) dipping and heaving lower position, on link span (13), be provided with the upper inductor (16) of responding to link span (13) dipping and heaving upper limit position by responding to end position between itself and underframe (10).
2. a kind of setting machine jacking system according to claim 1, is characterized in that: described the next inductor (14) and/or upper inductor (16) are displacement pickup or the sensor block that coordinates with displacement pickup.
3. to remove a kind of setting machine jacking system described in 1 according to right, it is characterized in that: described take off and landing strip reel (18) is a roller shaft, the diameter of two ends of described roller shaft is identical, middle part diameter is larger than the diameter at two ends, be provided with the groove for laying take off and landing strip (9) end at roller shaft middle part, the roller shaft surface portion that groove is set is set to plane, one end of described take off and landing strip (9) is the structure that folding braiding is made, this end is placed in described groove, and be fixed by the pressing plate (21) that is pressed in groove outside, described pressing plate (21) is plane with the contact surface of groove, the another side relative with this contact surface is and the face of cylinder of roller shaft middle part equal diameters.
4. a kind of setting machine jacking system according to claim 1, it is characterized in that: described link span (13) is provided with take off and landing strip holding device (11), described take off and landing strip (9) is connected with link span (13) by take off and landing strip holding device (11).
5. a kind of setting machine jacking system according to claim 4, it is characterized in that: described take off and landing strip (9) is pancake, described take off and landing strip holding device (11) is for being fixedly installed on the two L shaped clamping plate (19) on link span (13), the described back-to-back setting of two L shaped clamping plate (19), take off and landing strip (9) is fixed by screws between two L shaped clamping plate (19), described screw is a plurality of, is two row and is arranged symmetrically with in the direction consistent with lifting direction.
6. according to a kind of setting machine jacking system described in claim 1-5, it is characterized in that: the other end at described reductor (2) output shaft is provided with holdback (3).
7. according to a kind of setting machine jacking system described in claim 1-5, it is characterized in that: described variable-frequency motor (1) is with band brake apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094491.0A CN103818729B (en) | 2014-03-14 | 2014-03-14 | A kind of setting machine lowering or hoisting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410094491.0A CN103818729B (en) | 2014-03-14 | 2014-03-14 | A kind of setting machine lowering or hoisting gear |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103818729A true CN103818729A (en) | 2014-05-28 |
| CN103818729B CN103818729B (en) | 2016-05-25 |
Family
ID=50754078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410094491.0A Expired - Fee Related CN103818729B (en) | 2014-03-14 | 2014-03-14 | A kind of setting machine lowering or hoisting gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103818729B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253794A (en) * | 2015-10-29 | 2016-01-20 | 洛阳润信机械制造有限公司 | Lifting system of setting machine |
| CN107816958A (en) * | 2017-11-23 | 2018-03-20 | 大连豪森瑞德设备制造有限公司 | Multi-model measures fast replacing device |
| CN112113433A (en) * | 2019-06-20 | 2020-12-22 | 宝山钢铁股份有限公司 | Control method for preventing variable frequency motor from burning loss |
| CN117902332A (en) * | 2024-01-25 | 2024-04-19 | 安吉美尚家具有限公司 | Automatic stacking equipment and method for bamboo board production |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881496A (en) * | 1958-02-17 | 1961-11-01 | Atlas Werke Ag | Improvements in and relating to apparatus for stacking articles |
| CN2349178Y (en) * | 1998-12-30 | 1999-11-17 | 双鸭山东方工业公司 | Automatic blank distributor |
| CN201703893U (en) * | 2010-06-01 | 2011-01-12 | 鞍钢集团矿业公司 | Movable belt winder |
| CN202451043U (en) * | 2012-01-13 | 2012-09-26 | 上海东锐风电技术有限公司 | Adjusting support for lifting belt of windmill climb assist device |
| CN203781352U (en) * | 2014-03-14 | 2014-08-20 | 洛阳润信机械制造有限公司 | Setting machine lifting device |
-
2014
- 2014-03-14 CN CN201410094491.0A patent/CN103818729B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB881496A (en) * | 1958-02-17 | 1961-11-01 | Atlas Werke Ag | Improvements in and relating to apparatus for stacking articles |
| CN2349178Y (en) * | 1998-12-30 | 1999-11-17 | 双鸭山东方工业公司 | Automatic blank distributor |
| CN201703893U (en) * | 2010-06-01 | 2011-01-12 | 鞍钢集团矿业公司 | Movable belt winder |
| CN202451043U (en) * | 2012-01-13 | 2012-09-26 | 上海东锐风电技术有限公司 | Adjusting support for lifting belt of windmill climb assist device |
| CN203781352U (en) * | 2014-03-14 | 2014-08-20 | 洛阳润信机械制造有限公司 | Setting machine lifting device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105253794A (en) * | 2015-10-29 | 2016-01-20 | 洛阳润信机械制造有限公司 | Lifting system of setting machine |
| CN107816958A (en) * | 2017-11-23 | 2018-03-20 | 大连豪森瑞德设备制造有限公司 | Multi-model measures fast replacing device |
| CN107816958B (en) * | 2017-11-23 | 2023-12-22 | 大连豪森瑞德设备制造有限公司 | Multi-model measuring quick-changing device |
| CN112113433A (en) * | 2019-06-20 | 2020-12-22 | 宝山钢铁股份有限公司 | Control method for preventing variable frequency motor from burning loss |
| CN112113433B (en) * | 2019-06-20 | 2022-06-24 | 宝山钢铁股份有限公司 | Control method for preventing variable frequency motor from burning loss |
| CN117902332A (en) * | 2024-01-25 | 2024-04-19 | 安吉美尚家具有限公司 | Automatic stacking equipment and method for bamboo board production |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103818729B (en) | 2016-05-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103818729B (en) | A kind of setting machine lowering or hoisting gear | |
| CN205158096U (en) | Lifting system | |
| CN101941610A (en) | Center and friction winding device | |
| CN106672783A (en) | Automatic lifting hook and lifting ring separation and reunion device for lifting | |
| CN104386588A (en) | Special hoisting three-axis platform for remotely controlling and maintaining radiation device in deep well environment | |
| CN203319601U (en) | Winching and lifting mechanism driven by tension | |
| CN103253600A (en) | Numerical control gantry crane for boom production line | |
| CN202575561U (en) | Wire take-up and storage device | |
| CN103264971A (en) | Expansion driving type hoisting and lifting mechanism | |
| CN205772750U (en) | A kind of hanging apparatus | |
| CN204958286U (en) | Machinery lifting machine | |
| CN203781352U (en) | Setting machine lifting device | |
| CN103434932A (en) | Multifunctional jacklift | |
| CN102635098A (en) | Hydraulically-driven winching type starting and stopping machine | |
| CN104401858B (en) | Gear-free tractor | |
| CN203294811U (en) | Automatic setting machine lifting device with balancing weights | |
| CN207634067U (en) | Elevator pumping unit | |
| CN104651576A (en) | Furnace cover lifting device for tempering furnace | |
| CN209778183U (en) | Self-balancing lifting device | |
| CN203922655U (en) | A kind of automatic doffing machine support moves up and down device | |
| CN203667889U (en) | Steel wire rope electric hoist | |
| CN203616449U (en) | Reciprocating motion constant load test device of linear motor | |
| CN201791750U (en) | Guide device of sheet rolling mill | |
| CN206244323U (en) | A kind of electric lifting device | |
| CN205099112U (en) | Actuating mechanism is led out to all steel make -up machine strengthening course I -shaped wheel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20160525 Termination date: 20180314 |