CN204778714U - Aerial ladder with second grade interlock carries thing car - Google Patents
Aerial ladder with second grade interlock carries thing car Download PDFInfo
- Publication number
- CN204778714U CN204778714U CN201520483087.2U CN201520483087U CN204778714U CN 204778714 U CN204778714 U CN 204778714U CN 201520483087 U CN201520483087 U CN 201520483087U CN 204778714 U CN204778714 U CN 204778714U
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- action base
- continous action
- sliding bottom
- level
- aerial ladder
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Abstract
The utility model relates to an engineering machinery equipment technical field, specifically speaking is an aerial ladder with second grade interlock carries thing car, it is equipped with the aerial ladder, the sliding bottom, goods shelves, the hawser, the pulley, reel and motor or hydraulic motor, be equipped with one -level interlock seat on the characterized in that sliding bottom, the front end of one -level interlock seat is articulated mutually with second grade interlock seat, the rear end of one -level interlock seat is articulated mutually through telescopic link and second grade interlock seat rear end, be equipped with goods shelves on the second grade interlock seat, hawser one end is connected with goods shelves, the pulley of second grade interlock seat front end is walked around in proper order to the other end, the pulley of one -level interlock seat rear end, the pulley of sliding bottom front end, slip base backend's pulley, behind the pulley on aerial ladder top with the aerial ladder on the reel be connected, the wire winding shaft is connected with motor or the hydraulic motor output shaft of fixing on the aerial ladder, the factor of safety height has, at the bottom of the intensity of labour, work efficiency advantage such as high.
Description
Technical field
The utility model relates to engineering mechanical device technical field, the aerial ladder with secondary interlock load-carrying vehicle that specifically a kind of safety factor is high, labor intensity, work efficiency are high.
Background technology
As everyone knows, along with the development of economic society, various places building construction is more and more higher, this is all a difficult problem concerning finishing the resident family of story height and removal of home, the resident family of major part high-storey all adopts aerial ladder truck to carry, quick upstairs and between ground of large-scale household wares and equipment can be realized, safe transfer, at present, aerial ladder truck for carrying is generally be provided with guide rail on aerial ladder, guide rail is provided with sliding bottom, sliding bottom is provided with shelf, hawser one end is connected with shelf, the hawser other end is walked around the pulley of aerial ladder top and is connected with the reel on aerial ladder or winch, winding wheel shaft or elevator arbor are connected with the motor be fixed on aerial ladder or hydraulic motor output shaft, shelf on aerial ladder truck are when being transported to vertex, because the top of aerial ladder contacts with body of wall, the front end of shelf cannot be contacted with window, increase the distance of shelf front end and window, people is when carrying, just there is certain potential safety hazard, simultaneously, after the goods carried reaches bottom, due to the restriction of sliding bottom, when carrier loader moves to the end position of lowermost end, shelf are generally all above the ground level more than one meter, this increases labour intensity for ground staff, transport goods and waste time and energy.
Summary of the invention
The purpose of this utility model solves above-mentioned the deficiencies in the prior art, provides the aerial ladder with secondary interlock load-carrying vehicle that a kind of safety factor is high, labor intensity, work efficiency are high.
The utility model solves the technical scheme that its technical matters adopts:
A kind of aerial ladder with secondary interlock load-carrying vehicle, be provided with the aerial ladder with guide rail, sliding bottom, shelf, hawser, pulley, reel and motor or HM Hydraulic Motor, sliding bottom lower end is connected with aerial ladder guide rail through roller, it is characterized in that sliding bottom is provided with the one-level continous action base that can slide along sliding bottom, front end and the secondary continous action base of one-level continous action base are hinged, the rear end of one-level continous action base is hinged through expansion link and secondary continous action base rear end, secondary continous action base is provided with the shelf that can slide along secondary continous action base, expansion link one end and one-level continous action base are hinged, the other end and secondary continous action base are hinged, one-level continous action base, secondary continous action base and expansion link are hinged and form the whole triangular supports of reconfigurable, hawser one end is connected with shelf, the other end walks around the pulley of secondary continous action base front end successively, the pulley of one-level continous action base rear end, the pulley of sliding bottom front end, the pulley of sliding bottom rear end, be connected with the reel on aerial ladder after the pulley on aerial ladder top, winding wheel shaft is connected with the motor be fixed on aerial ladder or hydraulic motor output shaft.
Sliding bottom described in the utility model is made up of the crossbeam of two support arms be parallel to each other and connecting support arm, crossbeam two ends or support arm are provided with the roller matched with aerial ladder track, two support arms are respectively equipped with one-level continous action base slide rail and shelf slide rail, on the front-end and back-end crossbeam of sliding bottom, correspondence is provided with cable pulleys respectively.
Expansion link described in the utility model is a hydraulic ram or cylinder, and hydraulic ram or cylinder are connected with one-level continous action base or secondary continous action base, and the telescopic boom of hydraulic ram or cylinder is hinged mutually with secondary continous action base or one-level continous action base.
Sliding bottom described in the utility model is provided with brake gear, described brake gear is provided with brake facing and rolling rod, rolling rod two ends are each passed through the pin-and-hole that sliding bottom support arm is provided with and are connected with brake facing, rolling rod is provided with spring, spring one end is connected with rolling rod, the other end is connected with the crossbeam of sliding bottom, rolling rod be provided with sliding bottom before and after crossbeam upper cable pulley with the strip drive spindle of straight line.
Shelf described in the utility model are the shelf groove of front opening, shelf bottom surface is provided with front end and is provided with the transition frame matched with shelf width, transition frame and shelf bottom surface front end are hinged, and transition frame lower end is provided with the roller matched with the shelf slide rail on sliding bottom.
Shelf slide rail front end on sliding bottom described in the utility model is reclinate arc shape, coordinates the forward slip of shelf.
Roller both sides, sliding bottom lower end described in the utility model are respectively equipped with front limit baffle plate and rear postive stop baffle, one-level continous action base slide rail two ends on sliding bottom are respectively equipped with one-level continous action base front apron and one-level continous action base back shield, and before and after shelf lower end, side is respectively equipped with front end limiting stopper and rear end limiting stopper.
The utility model is owing to being designed to secondary interlinked mechanism by carrier mechanism, sliding bottom is behind arrival aerial ladder top, the front limit baffle plate of sliding bottom lower end contacts with aerial ladder crossbeam, sliding bottom stop motion, under hawser continues to provide pulling force, one-level continous action base slides in one-level continous action base slideway chamber, when sliding into foremost, stop motion is blocked through one-level continous action base front apron in one-level continous action base front end, then hawser continues to provide pulling force, shelf travel forward on secondary continous action base, the roller of the shelf lower end shelf slide rail on sliding bottom moves, shelf stretch out forward, stop motion after the front end limiting stopper of shelf lower end contacts with secondary continous action base front end cross beam, now reach capacity position contacting with forms, after having delivered goods, steel rope does not provide pulling force, carrier loader declines due to self gravitation, when sliding into bottom aerial ladder, hawser continues not provide pulling force, then shelf move return backward, one-level continous action base backward movement makes shelf drop to nadir, due to carrier loader is designed to secondary interlinked mechanism, carrier loader can continue when rising to vertex to move forward close to window, add safety factor, when carrier loader declines in nadir, shelf can continue to move down, make shelf closer to ground, reduce the labour intensity of staff, there is safety factor high, labor intensity, work efficiency high etc. advantage.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of carrier mechanism in the utility model.
Fig. 3-1 and 3-2 is the structural representation of sliding bottom, and wherein, Fig. 3-1 is block diagram, and Fig. 3-2 is front views.
Fig. 4-1 and 4-2 is the structural representation of one-level continous action base, and wherein, Fig. 4-1 is block diagram, and Fig. 4-2 is front views.
Fig. 5-1 and 5-2 is the structural representation of expansion link, and wherein, Fig. 5-1 is block diagram, and Fig. 5-2 is front views.
Fig. 6-1 and 6-2 is the structural representation of secondary continous action base, and wherein, Fig. 6-1 is block diagram, and Fig. 6-2 is front views.
Fig. 7-1 and 7-2 is the structural representation of shelf, and wherein, Fig. 7-1 is front view, and Fig. 7-2 is shelf lower shoe block diagrams.
Fig. 8 is the section-drawing of sliding bottom and one-level continous action base.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further illustrated:
As shown in drawings, a kind of aerial ladder with secondary interlock load-carrying vehicle, be provided with the aerial ladder 1 with guide rail, sliding bottom 3, shelf 7, hawser, pulley, reel and motor or HM Hydraulic Motor, sliding bottom 3 lower end is connected with aerial ladder guide rail through roller, it is characterized in that sliding bottom 3 is made up of the crossbeam 302 of two support arms 301 be parallel to each other and connecting support arm, crossbeam 302 two ends or support arm 301 are provided with the roller 303 matched with aerial ladder track, two support arms 301 are respectively equipped with one-level continous action base slide rail 305 and shelf slide rail 304, shelf slide rail 304 front end is reclinate arc shape, on the front-end and back-end crossbeam of sliding bottom 3, correspondence is provided with cable pulleys respectively, sliding bottom 3 is provided with the one-level continous action base 4 that can slide along one-level continous action base slide rail 305, front end and the secondary continous action base 6 of one-level continous action base 4 are hinged, the rear end of one-level continous action base 6 is hinged through expansion link 5 and secondary continous action base 6 rear end, expansion link 5 is a hydraulic ram or cylinder, hydraulic ram or cylinder are connected with one-level continous action base 4 or secondary continous action base 6, the telescopic boom of hydraulic ram or cylinder is hinged with secondary continous action base 6 or one-level continous action base 4 phase, one-level continous action base 4, secondary continous action base 6 and expansion link 5 are hinged and form the whole triangular supports of reconfigurable, hawser one end is connected with shelf 7, the other end walks around the pulley of secondary continous action base 6 front end successively, the pulley of one-level continous action base 4 rear end, the pulley of sliding bottom 3 front end, the pulley of sliding bottom 3 rear end, be connected with the reel on aerial ladder after the pulley on aerial ladder top, winding wheel shaft is connected with the motor be fixed on aerial ladder or hydraulic motor output shaft, described sliding bottom 3 is provided with brake gear, brake gear comprises brake facing 309 and rolling rod 310, rolling rod 310 two ends are each passed through the pin-and-hole that sliding bottom 3 support arm is provided with and are connected with brake facing 309, rolling rod 310 be provided with sliding bottom before and after crossbeam upper cable pulley with the strip drive spindle 311 of straight line, rolling rod 310 is through brake application by spring, spring one end is connected with rolling rod 310, the other end is connected with sliding bottom 3, described shelf 7 are the shelf groove of front opening, shelf 7 bottom surface front end is provided with the transition frame 705 matched with shelf width, transition frame 705 and shelf 7 bottom surface front end are hinged, transition frame 705 lower end is provided with the roller matched with the shelf slide rail 304 on sliding bottom 3, described roller both sides, sliding bottom 3 lower end are provided with front limit baffle plate 312 and rear postive stop baffle 313, one-level continous action base slide rail 305 two ends on sliding bottom 3 are provided with one-level continous action base front apron and one-level continous action base back shield, before and after shelf 7 lower end, side is provided with front end limiting stopper 702 and rear end limiting stopper 704, limit slippage base 3, one-level continous action base 4 and shelf 7 move and prevent mutual disengaging.
Embodiment
A kind of aerial ladder with secondary interlock load-carrying vehicle, be provided with the aerial ladder 1 with guide rail, sliding bottom 3, shelf 7, hawser, pulley, reel or winch and motor or HM Hydraulic Motor, sliding bottom 3 lower end is connected with aerial ladder guide rail through roller, it is characterized in that aerial ladder is provided with sliding bottom 3, one-level continous action base 4, expansion link 5, secondary continous action base 6 and shelf 7, wherein, described sliding bottom 3 is made up of the crossbeam 302 of two support arms 301 be parallel to each other and connecting support arm, crossbeam 302 two ends or support arm 301 are provided with the roller 303 matched with aerial ladder track, shelf slide rail 304 is provided with outside the support arm 301 of roller 303 upper end, shelf slide rail 304 front end is reclinate arc shape, two support arm 301 upper ends are respectively equipped with one-level continous action base slide rail 305 maybe can be set to sliding chamber, one-level continous action base slide rail 305 two ends are provided with one-level continous action base front apron and one-level continous action base back shield, one-level continous action base slide rail 305 upper end is provided with the slideway mouth 306 matched with one-level continous action base cursor slide, cable pulleys II 307 and cable pulleys I 308 is respectively equipped with in the middle part of the crossbeam 302 of sliding bottom front-end and back-end, sliding bottom is provided with brake gear, brake gear comprises brake facing 309 and rolling rod 310, rolling rod 310 two ends are each passed through the pin-and-hole that left and right base support arm is provided with and are connected with brake facing 309, rolling rod 309 is provided with strip shape drive spindle 311, drive spindle two ends are provided with roller, prevent the hawser that rubs, rolling rod 310 is through brake application by spring, spring one end is connected with rolling rod 310, the other end is connected with the crossbeam 302 on sliding bottom 3, tight state is in during cable operation, drive spindle 311 drives the brake facing 309 of rolling rod both sides under the effect of hawser, brake facing 309 is made to be adjacent to outside two support arms, brake facing 309 lower end is not in non-brake state with aerial ladder guide rail contact, when hawser is slack and undisciplined suddenly, drive spindle 311 rotates under the action of the spring, spring drives rolling rod 310 to rotate, and then brake facing rotates, make brake facing and aerial ladder guide rail contact, reach braking state, avoid because of hawser fault, integral installation mounted mechanism is caused to glide, produce safety misadventure, sliding bottom lower end is provided with front limit baffle plate 312 and rear postive stop baffle 313, ensure that sliding bottom makes sliding bottom stop motion with contacting with aerial ladder crossbeam during lowermost end moving to top, the bearing roller 403 matched with one-level continous action base slide rail 305 or sliding chamber is respectively equipped with below the left cursor slide 401 of described one-level continous action base and the two ends of right cursor slide 402, one-level continous action base slide rail 305 two ends are provided with one-level continous action base front apron and one-level continous action base back shield, left cursor slide 401 is respectively equipped with the upper end of right cursor slide 402 hanger be connected with expansion link 5 with secondary continous action base 6, hawser roller III 404 is provided with in the middle part of end floor beam after one-level continous action base, the cursor slide lower end of one-level continous action base is provided with safe spacing block 405, after preventing the bearing roller fracture of cursor slide lower end, cursor slide spins off from the one-level continous action base 4 slideway chamber of sliding bottom upper end, improve safety factor, described expansion link 5 is a hydraulic ram or cylinder, hydraulic ram or cylinder are connected with one-level continous action base 4 or secondary continous action base 6, the telescopic boom of hydraulic ram or cylinder is hinged with secondary continous action base 6 or one-level continous action base 4 phase, telescopic boom is wrapped up by inner arm 501, hydraulic ram or cylinder are wrapped up by outer arm 502, inwall 501 lower end is provided with the hanger be connected with one-level coupled frame 1, outer arm 502 upper end is provided with the hanger be connected with secondary continous action base 6, described secondary continous action base 6 is provided with the framed structure matched with the width of one-level continous action base 4, the front and back end crossbeam of framed structure is arranged with and strengthens hold-down arm 601, strengthen hold-down arm 601 lower end and be provided with V-type slide rail 603, the support arm two ends of framed structure are respectively equipped with the hanger be connected with expansion link 5 with one-level continous action base 4, the front center of secondary continous action base 6 is provided with cable pulleys V 603, described shelf lower end is provided with the positioning guiding plate 701 matched with secondary continous action base two support arm, shelf lower end inside positioning guiding plate 701 is connected with V-type roller 703 through front end limiting stopper 702, V-type roller 703 matches with the V-type slide rail 602 of secondary continous action base, shelf 7 lower-end front portion two ends are provided with the roller that the shelf slide rail 304 that is provided with sliding bottom matches, shelf 7 lower end is provided with rear end limiting stopper 704, rear end limiting stopper 704 is provided with winding bore, shelf of the present utility model can be set to the shelf groove of front opening, shelf 7 bottom surface is provided with front end and is provided with the transition frame 705 wanting with shelf width to coordinate, transition frame 705 and shelf bottom surface front end are hinged, transition frame 705 lower end is provided with the roller matched with the shelf slide rail 304 on sliding bottom, one-level continous action base 4 lower end is placed in the one-level continous action base slide rail 305 on sliding bottom through left cursor slide 401 and right cursor slide 402, one-level continous action base 4 upper end is hinged with the front end of secondary continous action base 6 and the lower end of expansion link 5 respectively through bearing pin, the rear end of secondary continous action base 6 is hinged through the upper end of bearing pin and expansion link 5, one-level continous action base 4, expansion link 5 and secondary continous action base 6 are hinged and form the triangular supports of reconfigurable joint, the positioning guiding plate 701 that shelf 7 are provided with through lower end is fixed on the top of secondary continous action base 6, the V-type roller of shelf 7 lower end coordinates with V-type slide rail and is connected, hawser one end is connected with the winding bore of shelf 7 bottom surface rear end, the other end walks around secondary continous action base 6 front end cable pulleys V 603 successively, one-level continous action base 4 rear end hawser roller III 404, sliding bottom 3 front end cable pulleys II 307, sliding bottom 3 rear end cable pulleys I 308, be connected with the reel on aerial ladder or winch after the pulley of aerial ladder top, winding wheel shaft or elevator arbor are connected with the motor be fixed on aerial ladder or hydraulic motor output shaft, one-level continous action base in the utility model is connected with shelf guide rail rear end through gas spring, the regulating action of firm expansion link, improve safety factor.
The utility model in use, first by sliding bottom 3, one-level continous action base 4, expansion link 5, secondary continous action base 6 and shelf 7 combination are mounted to secondary interlock carrier mechanism, then this carrier mechanism is arranged on aerial ladder, then motor power is opened, sliding bottom at the move under influence of hawser pull to aerial ladder top, sliding bottom is behind arrival aerial ladder top, the front end positive stop 312 of sliding bottom 3 lower end contacts with aerial ladder crossbeam, sliding bottom 3 stop motion, under hawser continues to provide pulling force, one-level continous action base 4 slides in one-level continous action base slide rail 305, when slide into foremost through one-level continous action base front apron restriction after, one-level continous action base 4 stop motion, then hawser continues to provide pulling force, shelf 7 travel forward under the V-type rail effect of secondary continous action base 6, motion on the roller of the shelf 7 lower end shelf slide rail 304 on sliding bottom 3, shelf 7 stretch out forward, stop motion after the front end positioning plate 702 of shelf 7 lower end contacts with secondary continous action base 6 front end cross beam, now reach capacity position contacting with forms, after having delivered goods, steel rope does not provide pulling force, carrier loader declines due to self gravitation, when sliding into bottom aerial ladder, hawser continues not provide pulling force, then shelf move return backward, one-level continous action base 4 backward movement makes shelf drop to nadir, due to carrier loader is designed to secondary interlinked mechanism, carrier loader can continue to move forward close to window when rising at vertex, add safety factor, when carrier loader declines in nadir, shelf 7 can continue to move down, make shelf 7 closer to ground, reduce the labour intensity of staff, there is safety factor high, labor intensity, work efficiency high etc. advantage.
Claims (7)
1. the aerial ladder with secondary interlock load-carrying vehicle, be provided with the aerial ladder with guide rail, sliding bottom, shelf, hawser, pulley, reel and motor or HM Hydraulic Motor, sliding bottom lower end is connected with aerial ladder guide rail through roller, it is characterized in that sliding bottom is provided with the one-level continous action base slided along sliding bottom, front end and the secondary continous action base of one-level continous action base are hinged, the rear end of one-level continous action base is hinged through expansion link and secondary continous action base rear end, secondary continous action base is provided with the shelf slided along secondary continous action base, expansion link one end and one-level continous action base are hinged, the other end and secondary continous action base are hinged, one-level continous action base, secondary continous action base and expansion link are hinged and form the whole triangular supports of reconfigurable, hawser one end is connected with shelf, the other end walks around the pulley of secondary continous action base front end successively, the pulley of one-level continous action base rear end, the pulley of sliding bottom front end, the pulley of sliding bottom rear end, be connected with the reel on aerial ladder after the pulley on aerial ladder top, winding wheel shaft is connected with the motor be fixed on aerial ladder or hydraulic motor output shaft.
2. a kind of aerial ladder with secondary interlock load-carrying vehicle according to claim 1, it is characterized in that described sliding bottom is made up of the crossbeam of two support arms be parallel to each other and connecting support arm, crossbeam two ends or support arm are provided with the roller matched with aerial ladder track, two support arms are respectively equipped with one-level continous action base slide rail and shelf slide rail, on the front-end and back-end crossbeam of sliding bottom, correspondence is provided with cable pulleys respectively.
3. a kind of aerial ladder with secondary interlock load-carrying vehicle according to claim 1, it is characterized in that described expansion link is a hydraulic ram or cylinder, hydraulic ram or cylinder are connected with one-level continous action base or secondary continous action base, and the telescopic boom of hydraulic ram or cylinder is hinged mutually with secondary continous action base or one-level continous action base.
4. a kind of aerial ladder with secondary interlock load-carrying vehicle according to claim 1 and 2, it is characterized in that described sliding bottom is provided with brake gear, brake gear comprises brake facing and rolling rod, rolling rod two ends are each passed through the pin-and-hole that sliding bottom support arm is provided with and are connected with brake facing, rolling rod is provided with spring, spring one end is connected with rolling rod, the other end is connected with the crossbeam of sliding bottom, rolling rod be provided with sliding bottom before and after crossbeam upper cable pulley with the bar shaped drive spindle of straight line.
5. a kind of aerial ladder with secondary interlock load-carrying vehicle according to claim 1, it is characterized in that described shelf are the shelf groove of front opening, shelf bottom surface front end is provided with the transition frame matched with shelf width, transition frame and shelf bottom surface front end are hinged, and transition frame lower end is provided with the roller matched with the shelf slide rail on sliding bottom.
6. a kind of aerial ladder with secondary interlock load-carrying vehicle according to claim 2, is characterized in that the shelf slide rail front end on described sliding bottom is reclinate arc shape.
7. a kind of aerial ladder with secondary interlock load-carrying vehicle according to claim 1, it is characterized in that described roller both sides, sliding bottom lower end are respectively equipped with front limit baffle plate and rear postive stop baffle, one-level continous action base slide rail two ends on sliding bottom are respectively equipped with one-level continous action base front apron and one-level continous action base back shield, and before and after shelf lower end, side is respectively equipped with front end limiting stopper and rear end limiting stopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520483087.2U CN204778714U (en) | 2015-07-07 | 2015-07-07 | Aerial ladder with second grade interlock carries thing car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520483087.2U CN204778714U (en) | 2015-07-07 | 2015-07-07 | Aerial ladder with second grade interlock carries thing car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204778714U true CN204778714U (en) | 2015-11-18 |
Family
ID=54518806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520483087.2U Withdrawn - After Issue CN204778714U (en) | 2015-07-07 | 2015-07-07 | Aerial ladder with second grade interlock carries thing car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204778714U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000514A (en) * | 2015-07-07 | 2015-10-28 | 威海高丽亚汽车销售有限公司 | Scaling ladder having second-stage linkage carrying truck |
| CN110817760A (en) * | 2019-11-14 | 2020-02-21 | 沧州前进压瓦机械制造有限公司 | High-altitude feeding equipment |
-
2015
- 2015-07-07 CN CN201520483087.2U patent/CN204778714U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105000514A (en) * | 2015-07-07 | 2015-10-28 | 威海高丽亚汽车销售有限公司 | Scaling ladder having second-stage linkage carrying truck |
| CN105000514B (en) * | 2015-07-07 | 2018-02-06 | 威海博强机械有限公司 | A kind of aerial ladder that carrier is interlocked with two level |
| CN110817760A (en) * | 2019-11-14 | 2020-02-21 | 沧州前进压瓦机械制造有限公司 | High-altitude feeding equipment |
| CN110817760B (en) * | 2019-11-14 | 2021-01-26 | 沧州前进压瓦机械制造有限公司 | High-altitude feeding equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151118 Effective date of abandoning: 20180206 |