CN205010936U - Support formula hydraulic drive telescopic platform is hanged in construction of high -rise building floor - Google Patents
Support formula hydraulic drive telescopic platform is hanged in construction of high -rise building floor Download PDFInfo
- Publication number
- CN205010936U CN205010936U CN201520776606.4U CN201520776606U CN205010936U CN 205010936 U CN205010936 U CN 205010936U CN 201520776606 U CN201520776606 U CN 201520776606U CN 205010936 U CN205010936 U CN 205010936U
- Authority
- CN
- China
- Prior art keywords
- slide rail
- platform
- hangers
- steel
- steel rope
- 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.)
- Active
Links
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model belongs to the technical field of the engineering machinery technique and specifically relates to a support formula hydraulic drive telescopic platform is hanged in construction of high -rise building floor. It is including friehgt platform, power platform, slide rail I, slide rail II, pulley I, pulley II, lug I, lug II, " U " type hangers I, " U " type hangers II, adjustable grudging post, electric cabinet, rail and guardrail. It includes still that hydraulic drive drive arrangement, two adjustable die -pins, die -pin crossbeam, wire rope retract mechanism, wire rope in step and stretch out mechanism, mousing -hook and a round pin axle sensor in step. This telescopic platform simple structure, the reduction duplication of labour and material loss, saving manpower, improvement efficiency of construction, make full use of tower crane is favorable to specialization, intensification production.
Description
Technical field
The utility model relates to technical field of engineering machinery, the outstanding holder formula hydraulic-driven scaling platform of especially a kind of skyscraper floor construction.
Background technology
At present, after skyscraper binds, each floor construction delivers workmen and material, after building site transported to by material by building hoist, after being unloaded by workmen, packaged overall material is broken and be dispensed into building hoist, then transport to each floor for workmen's construction.Do not use for the tower crane lifting material on the one hand, workmen could put into building hoist after needing packaged overall material to break after being unloaded by material on the other hand.Above-mentioned construction method causes tower crane degree of utilization low, packaged overall material break packing again material is transported to each floor make material loss and increase human cost, be also unfavorable for specialization, intensive manufacture.
Utility model content
The purpose of this utility model is, for the problems referred to above, propose a kind of newly, the outstanding holder formula hydraulic-driven scaling platform of structure simple skyscraper floor construction, the packaged overall material in building site will be transported to tower crane directly to hang each floor and hang on holder formula scaling platform, and after outstanding holder formula scaling platform is drawn in floor, packing be broken to packaged overall material and again material is transported to floor and construct everywhere.
The utility model solves the technical scheme that its technical matters adopts: it comprises cargo transport platform, power platform, slide rail I, slide rail II, pulley I, pulley II, hanger I, hanger II, " U " type hangers I, " U " type hangers II, adjustable stand, electric cabinet, fence and guardrail, described slide rail I by two side by side the two ends of elongated slot steel or I-beam section or rail a short channel-section steel be set respectively make, slide rail I one end is provided with transmission shaft and both sides, top are respectively arranged with pulley I, then is arranged on floor; Described slide rail II by two side by side the two ends of elongated slot steel or I-beam section or rail a short channel-section steel be set respectively make, " U " type hangers II is provided with in slide rail II one end, slide rail II other end is provided with transmission shaft and is arranged on lower one deck floor of slide rail I floor again, slide rail II surrounding is provided with fence, and described fence is made up of metal gauze; Described cargo transport platform channel-section steel and corrugated steel or anti-skidding checkered steel plate are welded into horizontal framework, cargo transport bottom, platform one end side by side, be arranged at intervals with two hangers I and two hangers II, both sides are respectively arranged with pulley I, both sides, other end bottom are respectively arranged with " U " type hangers I, top is provided with guardrail, be arranged on slide rail I and pulley I, described guardrail is welded into by pipe again; Described power platform channel-section steel and square steel are welded into horizontal framework, both sides, power platform bottom are provided with four pulleys II, power platform one end is provided with " U " type hangers II, power platform bottom side by side, be arranged at intervals with two hangers I, power platform top side by side, be arranged at intervals with two hangers II, then be arranged on slide rail II; Described adjustable stand channel-section steel electric welding becomes vertical frame, adjustable stand two ends respectively equalization are provided with row's mounting hole, one end and slide rail I are bolted, the other end and slide rail II are bolted, adapter shaft bearing on the axle journal of transmission shaft, is arranged on adjustable stand bottom and top.It also comprises hydraulic-driven actuating device, two adjustable pressure pins, pressure pin crossbeam, the synchronous retraction mechanism of steel rope, steel rope synchronously stretches out mechanism, lock hook and bearing pin sensor, described lock hook is arranged on cargo transport both sides, bottom, platform one end, described pressure pin crossbeam is arranged on power platform top, hinge is passed through with " U " type hangers I of cargo transport platform lower one end in described one adjustable pressure pin one end, on pressure pin crossbeam on the other end and power platform, " U " type hangers I of one end is hinged by bearing pin sensor, hinge is passed through with " U " type hangers I of the cargo transport platform lower other end in the adjustable pressure pin one end of another described root, on pressure pin crossbeam on the other end and power platform, " U " type hangers I of the other end is hinged by bearing pin sensor, " U " type hangers II of " one " the word hangers on the piston rod of telescoping hydraulic cylinder and power platform one end by hinge, " U " type hangers II of " one " the word hangers on the hydraulic actuating cylinder of telescoping hydraulic cylinder and slide rail II one end by hinge again with Hydraulic Pump, control to adjust device, oil pipe, fuel tank, adaptor union, filter, compression indicator and fluid and install and make hydraulic efficiency pressure system, described Article 1 steel rope I one end snap close is connected on the hanger I of one, power platform bottom, steel rope I other end is connected with snap close with the hanger I of the fixed pulley I on the fixed pulley I on upper transmission axle and slide rail I one end transmission shaft with cargo transport platform lower through the fixed pulley I on the transmission shaft of adjustable stand bottom, Article 2 steel rope I is parallel separately with Article 1 steel rope I, one end snap close is connected on the hanger I of one, power platform bottom, steel rope I other end to be connected with snap close through the fixed pulley I on the transmission shaft of adjustable stand bottom and the fixed pulley I on upper transmission axle and the fixed pulley I of slide rail I one end and the hanger I of power platform bottom makes the synchronous retraction mechanism of steel rope, two fixed pulleys I connect respectively by key interval on the spindle nose of adjustable stand bottom and top and slide rail I one end transmission shaft, described Article 1 steel rope II one end snap close is connected on the hanger II of one, power platform top, steel rope II other end through slide rail II one end fixed pulley II and be connected the fixed pulley II on the transmission shaft of stand bottom and the fixed pulley II on upper transmission axle and be connected with snap close with the hanger II of platform lower of freighting, Article 2 steel rope II is parallel separately with Article 1 steel rope I, one end snap close is connected on the hanger II of one, power platform top, steel rope II other end to be connected with snap close through the hanger II of fixed pulley II and the fixed pulley II on the transmission shaft of adjustable stand bottom of slide rail II one end and the fixed pulley II on upper transmission axle and platform lower of freighting to be made steel rope and synchronously stretches out mechanism, two fixed pulleys II connect on the spindle nose of adjustable stand bottom and top and slide rail II one end transmission shaft respectively by key interval.
Described pressure pin crossbeam is square steel, and top, pressure pin crossbeam two ends is respectively arranged with " U " type hangers I.
Described adjustable pressure pin is made up of the tapped pipe in one end, two " one " font hangers and screw rod.
Described lock hook steel plate bending becomes " L " and is provided with mounting hole.
The beneficial effects of the utility model are: structure is simple, reduce the duplication of labour and material loss, saving manpower, improve operating efficiency, makes full use of tower crane, is conducive to specialization, intensive manufacture.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the outstanding holder formula hydraulic-driven scaling platform schematic diagram of a kind of skyscraper floor construction.
1. fixed pulleys I in figure, 2. freight platform, 3. pulley I, 4. slide rail I, 5. telescoping hydraulic cylinder, 6. bearing pin sensor, 7. adjustable stand, 8. power platform, 9. adjustable pressure pin, 10. steel rope II, 11. steel rope I, 12. pressure pin crossbeams, 13. slide rail II, 14. pulley II, 15. hurdles protect, 16. lock hooks, 17. fixed pulleys II.
Detailed description of the invention
In FIG, two side by side elongated slot steel or I-beam section or rail two ends respectively electric welding short channel-section steel make slide rail I 4.The spindle nose of slide rail I 4 one end transmission shaft connects two fixed pulleys I 1 by key interval and both sides, top install pulley I 3 respectively, be fixed on floor with swell fixture.Two side by side elongated slot steel or I-beam section or rail two ends respectively electric welding short channel-section steel make slide rail II 13, the spindle nose of slide rail II 13 one end transmission shaft connects two fixed pulleys II 17 by key interval, slide rail II other end is provided with " U " type hangers II, is fixed on lower one deck floor of slide rail I 4 floor with swell fixture.Slide rail II 13 surrounding is provided with fence, and described fence is made up of metal gauze.Described adjustable stand 7 becomes vertical frame with channel-section steel electric welding, and adjustable stand 7 two ends respectively equalization are provided with row's mounting hole, and one end and slide rail I 4 are bolted, and the other end and slide rail II 13 are bolted.The spindle nose of transmission shaft connects two fixed pulleys I 1 and two fixed pulleys II 17 by key, adapter shaft bearing on the axle journal of transmission shaft, be arranged on and connect stand 7 bottom; The spindle nose of transmission shaft connects two fixed pulleys I 1 and two fixed pulleys II 17 by key, adapter shaft bearing on the axle journal of transmission shaft, be arranged on and connect stand 7 top.Be welded with " one " word hangers in the electric welding of screw rod one end, the other end is threaded with tapped pipe, and the electric welding of the pipe other end is welded with " one " word hangers and makes adjustable pressure pin 9." U " type hangers I of adjustable pressure pin 9 one end and cargo transport platform 2 lower end thereof is by hinge, and it is hinged that the other end and " U " type hangers I on pressure pin crossbeam 12 one end on power platform 8 pass through bearing pin sensor 6." U " type hangers I of another root adjustable pressure pin 9 one end and the cargo transport platform 2 bottom other end is by hinge, and it is hinged that the other end and " U " type hangers I on pressure pin crossbeam 12 other end on power platform 8 pass through bearing pin sensor 6.Described power platform 8 becomes horizontal framework with channel-section steel with square steel electric welding, both sides, power platform 8 bottom are provided with four pulleys II 14, power platform one end is provided with " U " type hangers II, power platform 8 bottom side by side, interval electric welding two hangers I, power platform 8 top side by side, interval electric welding two hangers II and pressure pin crossbeam 20, then to be arranged on slide rail II 13.Described pressure pin crossbeam 20 is square steel, and top, pressure pin crossbeam 20 two ends is electric welding " U " type hangers I respectively.Described cargo transport platform 2 channel-section steel becomes horizontal framework with corrugated steel or anti-skidding checkered steel plate electric welding, in cargo transport bottom, platform 2 one end side by side, interval electric welding two hangers I and two hangers II, both sides are respectively arranged with pulley I 3 and lock hook 16, there is " U " type hangers I both sides, other end bottom respectively electric welding, guardrail 15 is installed on top, then is arranged on slide rail II 4 and pulley I 3.Described guardrail 15 is made with pipe electric welding.Described lock hook 16 becomes " L " with steel plate bending and is provided with mounting hole." U " type hangers II of " one " the word hangers on the piston rod of telescoping hydraulic cylinder 5 and power platform 8 one end by hinge, " U " type hangers II of " one " the word hangers on the hydraulic actuating cylinder of telescoping hydraulic cylinder 5 and slide rail II 13 one end by hinge again with Hydraulic Pump, control to adjust device, oil pipe, fuel tank, adaptor union, filter, compression indicator and fluid and install and make hydraulic efficiency pressure system.The piston rod of telescoping hydraulic cylinder 5 stretches out or retracts and drives power platform 8 stretch out on slide rail II 13 or retract.Article 1, steel rope I 11 one end snap close is connected to power platform 8 lower weld has on a hanger I, and steel rope I 11 other end is connected with snap close with the hanger I of cargo transport platform 2 bottom through the fixed pulley I 1 of the fixed pulley I 1 on the transmission shaft of stand 7 bottom with the fixed pulley I 1 on upper transmission axle and bottom, slide rail I 4 one end; Article 2 steel rope I 11 is parallel separately with Article 1 steel rope I 10, one end snap close is connected to power platform 8 lower weld to be had on a hanger I, and steel rope I 10 other end is linked and packed into steel rope synchronous retraction mechanism with the hanger I of power platform 8 bottom with snap close with the fixed pulley I 1 on upper transmission axle and the fixed pulley I 1 of bottom, slide rail I 4 one end through the fixed pulley I 1 on the transmission shaft of stand 7 bottom.Article 1, steel rope II 10 one end snap close is connected on the hanger II of one, power platform 8 top, and steel rope II 10 other end is connected with snap close with the hanger II of cargo transport platform 2 bottom with the fixed pulley II 17 be connected on the transmission shaft of stand 7 bottom and the fixed pulley II 17 on upper transmission axle through the fixed pulley II 17 of bottom, slide rail II 13 one end; Article 2 steel rope II 10 is parallel separately with Article 1 steel rope I 11, one end snap close is connected on the hanger II of one, power platform 8 top, and steel rope II 10 other end to connect with snap close through the hanger II of the fixed pulley II 17 of bottom, slide rail II 13 one end and the fixed pulley II 17 be connected on the transmission shaft of stand 7 bottom and the fixed pulley II 17 on upper transmission axle and platform 2 bottom of freighting to be made steel rope and synchronously stretch out mechanism.Electric cabinet is connected with hydraulic efficiency pressure system by cable.Pressure sensor (6) is connected with electric cabinet by wire.When freighting platform 2 when delivering material overload, pressure sensor 6 accurately detects signal during the stressed generation STRESS VARIATION of cargo transport platform 2 load-carrying, detection signal is fed back to electric cabinet, after in electric cabinet, electric control system processes further, stop transmission of electricity to hydraulic efficiency pressure system and report to the police, cargo transport platform 2 stops stretching out or retracting.When freighting platform 2 when delivering material non-overloading, pressure sensor 6 accurately detects signal during the stressed generation STRESS VARIATION of cargo transport platform 2 load-carrying, detection signal is fed back to electric cabinet, after in electric cabinet, electric control system processes further, transmission of electricity is to hydraulic efficiency pressure system, and cargo transport platform 2 can stretch out or retract.
Embodiment is in sum only be described preferred embodiment of the present utility model; not scope of the present utility model is limited; all within the technical solution of the utility model; any amendment that the utility model is done, equivalently to replace and improvement etc., all fall within protection domain of the present utility model.
Claims (4)
1. the outstanding holder formula hydraulic-driven scaling platform of skyscraper floor construction, it comprises cargo transport platform (2), power platform (8), slide rail I (4), slide rail II (13), pulley I (3), pulley II (14), hanger I, hanger II, " U " type hangers I, " U " type hangers II, adjustable stand (7), electric cabinet, fence and guardrail (15), described slide rail I (4) by two side by side the two ends of elongated slot steel or I-beam section or rail a short channel-section steel be set respectively make, slide rail I (4) one end is provided with transmission shaft and both sides, top are respectively arranged with pulley I (3), be arranged on again on floor, described slide rail II (13) by two side by side the two ends of elongated slot steel or I-beam section or rail a short channel-section steel be set respectively make, slide rail II (13) one end is provided with " U " type hangers II, slide rail II (13) other end is provided with transmission shaft and is arranged on lower one deck floor of slide rail I (4) floor again, slide rail II (13) surrounding is provided with fence, and described fence is made up of metal gauze, described cargo transport platform (2) channel-section steel and corrugated steel or anti-skidding checkered steel plate are welded into horizontal framework, cargo transport platform (2) bottom, one end side by side, be arranged at intervals with two hangers I and two hangers II, both sides are respectively arranged with pulley I (3), both sides, other end bottom are respectively arranged with " U " type hangers I, top is provided with guardrail (15), be arranged on slide rail I (4) and pulley I (3) again, described guardrail (15) is welded into by pipe, described power platform (8) is welded into horizontal framework with channel-section steel and square steel, power platform (8) both sides, bottom are provided with four pulleys II (14), power platform (8) one end is provided with " U " type hangers II, power platform (8) bottom side by side, be arranged at intervals with two hangers I, power platform (8) top side by side, be arranged at intervals with two hangers II, then be arranged on slide rail II (13), described adjustable stand (7) becomes vertical frame with channel-section steel electric welding, adjustable stand (7) two ends respectively equalization are provided with row's mounting hole, one end and slide rail I (4) are bolted, the other end and slide rail II (13) are bolted, adapter shaft bearing on the axle journal of transmission shaft, be arranged on adjustable stand (7) bottom and top, it is characterized in that: it also comprises hydraulic-driven actuating device, two adjustable pressure pins (9), pressure pin crossbeam (12), the synchronous retraction mechanism of steel rope, steel rope synchronously stretches out mechanism, lock hook (16) and bearing pin sensor (6), described lock hook (16) is arranged on cargo transport both sides, platform (2) bottom, one end, described pressure pin crossbeam (12) is arranged on power platform (8) top, hinge is passed through with " U " type hangers I of cargo transport platform (2) lower end thereof in described adjustable pressure pin (9) one end, " U " type hangers I of the upper one end of the pressure pin crossbeam (12) on the other end and power platform (4) is hinged by bearing pin sensor (6), hinge is passed through with " U " type hangers I of cargo transport platform (2) the bottom other end in the described adjustable pressure pin of another root (9) one end, " U " type hangers I of the upper other end of the pressure pin crossbeam (12) on the other end and power platform (4) is hinged by bearing pin sensor (6), " U " type hangers II of " one " the word hangers on the piston rod of telescoping hydraulic cylinder (5) and power platform (8) one end by hinge, " U " type hangers II of " one " the word hangers on the hydraulic actuating cylinder of telescoping hydraulic cylinder (5) and slide rail II (13) one end by hinge again with Hydraulic Pump, control to adjust device, oil pipe, fuel tank, adaptor union, filter, compression indicator and fluid and install and make hydraulic efficiency pressure system, described Article 1 steel rope I (11) one end snap close is connected on the hanger I of one, power platform (8) bottom, steel rope I (11) other end is connected with snap close with the hanger I of the fixed pulley I (1) on the fixed pulley I (1) on upper transmission axle and slide rail I (4) one end transmission shaft with cargo transport platform (2) bottom through the fixed pulley I (1) on the transmission shaft of adjustable stand (7) bottom, Article 2 steel rope I (11) is parallel separately with Article 1 steel rope I (11), one end snap close is connected on the hanger I of one, power platform (8) bottom, steel rope I (11) other end to be connected with snap close through the fixed pulley I (1) on the transmission shaft of adjustable stand (7) bottom and the fixed pulley I (1) on upper transmission axle and the fixed pulley I (1) of slide rail I (4) one end and the hanger I of power platform (8) bottom makes the synchronous retraction mechanism of steel rope, two fixed pulleys I (1) connect respectively by key interval on the spindle nose of adjustable stand (7) bottom and top and slide rail I (4) one end transmission shaft, described Article 1 steel rope II (10) one end snap close is connected on the hanger II of one, power platform (8) top, steel rope II (10) other end through slide rail II (13) one end fixed pulley II (17) and be connected the fixed pulley II (17) on the transmission shaft of stand (7) bottom and the fixed pulley II (17) on upper transmission axle and be connected with snap close with the hanger II of platform (2) bottom of freighting, Article 2 steel rope II (10) is parallel separately with Article 1 steel rope I (10), one end snap close is connected on the hanger II of one, power platform (8) top, steel rope II (10) other end to be connected with snap close through the hanger II of the fixed pulley II (17) of slide rail II (13) one end and the fixed pulley II (17) on the transmission shaft of adjustable stand (7) bottom and the fixed pulley II (17) on upper transmission axle and platform (2) bottom of freighting to be made steel rope and synchronously stretches out mechanism, two fixed pulleys II (17) connect on the spindle nose of adjustable stand (7) bottom and top and slide rail II (13) one end transmission shaft respectively by key interval.
2. the outstanding holder formula hydraulic-driven scaling platform of a kind of skyscraper floor construction according to claim 1, it is characterized in that: described pressure pin crossbeam (12) is square steel, pressure pin crossbeam (12) top, two ends is respectively arranged with " U " type hangers I.
3. the outstanding holder formula hydraulic-driven scaling platform of a kind of skyscraper floor construction according to claim 1, is characterized in that: described adjustable pressure pin (9) is made up of the tapped pipe in one end, two " one " font hangers and screw rod.
4. the outstanding holder formula hydraulic-driven scaling platform of a kind of skyscraper floor construction according to claim 1, is characterized in that: described lock hook (16) steel plate bending becomes " L " and is provided with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776606.4U CN205010936U (en) | 2015-10-09 | 2015-10-09 | Support formula hydraulic drive telescopic platform is hanged in construction of high -rise building floor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520776606.4U CN205010936U (en) | 2015-10-09 | 2015-10-09 | Support formula hydraulic drive telescopic platform is hanged in construction of high -rise building floor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205010936U true CN205010936U (en) | 2016-02-03 |
Family
ID=55209550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520776606.4U Active CN205010936U (en) | 2015-10-09 | 2015-10-09 | Support formula hydraulic drive telescopic platform is hanged in construction of high -rise building floor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205010936U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099742A (en) * | 2016-08-22 | 2016-11-09 | 祝高科 | A kind of arrangement scaling platform |
-
2015
- 2015-10-09 CN CN201520776606.4U patent/CN205010936U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106099742A (en) * | 2016-08-22 | 2016-11-09 | 祝高科 | A kind of arrangement scaling platform |
| CN106099742B (en) * | 2016-08-22 | 2018-03-27 | 祝高科 | One kind arranges scaling platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202231327U (en) | Heavy component hoisting tool in electrical cabinet | |
| CN203781754U (en) | Movable weight hoister | |
| CN205010936U (en) | Support formula hydraulic drive telescopic platform is hanged in construction of high -rise building floor | |
| CN204625045U (en) | A kind of steel structure hoisting door shaped stent formula hanging apparatus | |
| CN203865935U (en) | Integral air hose hoisting device | |
| CN203715054U (en) | 3,000t combinable lifting balance beam | |
| CN201786010U (en) | Elevating platform for construction use | |
| CN203284126U (en) | Simple composite gantry high-altitude weight hoisting device | |
| CN201264157Y (en) | Device for dismounting recoiling machine rotating fluid pressure cylinder | |
| CN207844939U (en) | Movable arm tower crane climbing beam support system | |
| CN202322118U (en) | Rigid telescopic hydraulic separate counter weight crane | |
| CN206352387U (en) | A kind of deformable hoistway operation steel platform of automatic climbing formula | |
| CN204474185U (en) | A kind of high-rise lifting material cantilever mounted hoisting crane | |
| CN205034948U (en) | Rack formula hanging beam device | |
| CN201269792Y (en) | Pulling force and static settlement hydraulic test device for raiser of tractor | |
| CN205275147U (en) | Support formula sprocket drive telescopic platform is hanged in construction of high -rise building floor | |
| CN202214199U (en) | Counter weight block self-dismounting device and crane with same | |
| CN201339309Y (en) | Attached self-lifting scaffold | |
| CN205901172U (en) | Nearly pole of transmission line overhauls corridor hanger device | |
| CN207330250U (en) | A kind of hydraulic hoisting attaching/detaching apparatus | |
| CN203359827U (en) | Gantry crane with electric hoist | |
| CN201753241U (en) | Safety device for tower lifting arm | |
| CN203530863U (en) | Liftable operating platform for tensioning of hanging basket | |
| CN206599375U (en) | A kind of door type steel structure hoisting instrument | |
| CN203754332U (en) | Mobile type net frame spare part lifting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |