CN220926075U - Portal crane for PC assembly type building - Google Patents
Portal crane for PC assembly type building Download PDFInfo
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- CN220926075U CN220926075U CN202322673691.9U CN202322673691U CN220926075U CN 220926075 U CN220926075 U CN 220926075U CN 202322673691 U CN202322673691 U CN 202322673691U CN 220926075 U CN220926075 U CN 220926075U
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- 238000004804 winding Methods 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The gantry crane for the PC assembly type building comprises a clamping lifting appliance, wherein the clamping lifting appliance comprises an upper swing frame, a middle swing frame and a lower swing frame, two upper hinge rod groups are hinged to two sides of the bottom of the upper swing frame, each upper hinge rod group comprises a first upper hinge rod and a second upper hinge rod which are hinged to the bottom of the upper swing frame, two lower hinge rod groups are hinged to two sides of the top of the lower swing frame, each lower hinge rod group comprises a first lower hinge rod and a second lower hinge rod which are hinged to the top of the lower swing frame, two middle hinge shafts are arranged on two sides of the middle swing frame, and the bottom end of each first upper hinge rod, the bottom end of each second upper hinge rod, the top end of each first lower hinge rod and the top end of each second lower hinge rod are arranged on the corresponding middle hinge shafts; a connecting column group is fixed between the upper cradle and the trolley, a hook part matched with the lifting hook component is fixed at the top of the lower cradle, and clamping plate devices capable of opening and closing are arranged at two ends of the lower cradle. The utility model is convenient for clamping and lifting the prefabricated member and improves the lifting stability.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a portal crane for PC assembly type buildings.
Background
The crane is a multi-action hoisting machine for vertically hoisting and horizontally carrying heavy objects in a certain range, has a plurality of varieties, such as bridge cranes, gantry cranes, cranes and the like, and has wide application. Along with the rapid development of the building industry, the building industry gradually goes to industrialization, such as PC assembly type building, and has the advantages of simple construction, environmental protection, no pollution, short construction period and the like. At present, when building construction, various prefabricated components are hoisted and spliced by a hoisting machine, but the prefabricated components are large in size and heavy in mass, easy to swing during hoisting, difficult to construct and easy to cause safety accidents. Patent publication number is CN219363050U, and the patent name is a PC assembled building hoist and mount machine with stable hoist and mount function discloses technical scheme, has alleviateed the swing condition of hoist and mount, but in the use, some specification great dull and stereotyped class panel are inconvenient for the hook handling, need bind with the help of the rope, again by lifting hook handling, and the operation is more loaded down with trivial details, so need to design a portal crane for PC assembled building, be convenient for press from both sides and get the handling prefab, improve the stability of lifting by crane.
Disclosure of utility model
The utility model aims at: the portal crane for the PC assembly type building is convenient for clamping and lifting prefabricated members and improves lifting stability.
The technical scheme adopted by the utility model is as follows:
The gantry crane comprises a bridge, wherein supporting legs are fixed at two ends of the bridge, a cart running mechanism is arranged at the bottom of each supporting leg, a trolley is arranged on the bridge, an electric hoist is fixed on each trolley, each electric hoist comprises a winding drum, a steel wire rope is wound on each winding drum, a lifting hook component is arranged at the free end of each steel wire rope, a clamping lifting appliance is hooked on each lifting hook component, each clamping lifting appliance comprises an upper swing-preventing frame, a middle swing-preventing frame and a lower swing-preventing frame which are sequentially arranged below the bridge from top to bottom, two upper hinge rod groups are hinged at two sides of the bottom of each upper swing-preventing frame, each upper hinge rod group comprises a first upper hinge rod and a second upper hinge rod hinged at the bottom of each upper swing-preventing frame, each lower hinge rod group comprises a first lower hinge rod and a second lower hinge rod hinged at the top of each lower swing-preventing frame, two middle hinge shafts are arranged at two sides of each middle hinge rod, and the bottom end of each first upper hinge rod, the top of each second upper hinge rod and the corresponding middle hinge rod are arranged between the first hinge rod and the second hinge rod; a connecting column group is fixed between the upper cradle and the trolley, a hook part matched with the lifting hook component is fixed at the top of the lower cradle, and clamping plate devices capable of opening and closing are arranged at two ends of the lower cradle.
The first upper hinging rod and the second upper hinging rod are sequentially hinged at the bottom of the upper anti-shaking frame from outside to inside; the first lower hinging rod and the second lower hinging rod are sequentially hinged to the top of the lower cradle from outside to inside; connecting rod devices are fixed between the two corresponding second upper hinging rods and between the two corresponding second lower hinging rods.
The connecting rod device comprises a horizontal first connecting rod and an X-shaped second connecting rod.
The lifting hook component comprises a lifting hook, the lifting hook comprises a lifting rod, the bottom of the lifting rod is provided with a hook body, two sides of the lifting rod are provided with limiting plates, the top of each limiting plate is detachably fixed on the lifting rod through bolts, and the inner sides of the limiting plates are attached to two sides of the tip end part of the hook body; the hook part is provided with a hook hole matched with the hook body.
The clamping plate device comprises clamping plates hinged to two sides of the lower anti-shaking frame, hydraulic cylinders in one-to-one correspondence with the clamping plates are arranged at the top of the lower anti-shaking frame, the fixed ends of the hydraulic cylinders are fixed on the lower anti-shaking frame, and the free ends of the hydraulic cylinders are hinged to the tops of the clamping plates.
An anti-slip pad is fixed on the inner side of the clamping plate, and a supporting hook is arranged on the inner side of the bottom of the clamping plate.
The upper rocking-preventing frame, the middle rocking-preventing frame and the lower rocking-preventing frame all comprise a cuboid frame, and a reinforcing rod is fixed in the frame.
The end of the bridge is fixed with two symmetrical supporting legs, a connecting beam is fixed between the two supporting legs, the cart running mechanism comprises a trolley device arranged at two ends of the bottom of the connecting beam, the trolley device comprises a cart body which is detachably fixed at the bottom of the connecting beam, and two travelling wheels and a driving motor which drives one travelling wheel to run are arranged on the cart body.
According to the utility model, the clamping lifting appliance is hooked on the lifting hook component, so that the clamping lifting appliance is convenient for clamping and lifting the prefabricated parts, the clamping lifting appliance comprises an upper swing preventing rack, a middle swing preventing rack and a lower swing preventing rack which are sequentially arranged below a bridge frame from top to bottom, an upper hinge rod group is hinged between the upper swing preventing rack and the middle swing preventing rack, a lower hinge rod group is hinged between the middle swing preventing rack and the lower swing preventing rack, a hooking part matched with the lifting hook component is fixed at the top of the lower swing preventing rack, the clamping lifting appliance is convenient for lifting along with the winding of a steel wire rope, the upper hinge rod group comprises a first upper hinge rod and a second upper hinge rod hinged at the bottom of the upper swing preventing rack, the lower hinge rod group comprises a first lower hinge rod and a second lower hinge rod hinged at the top of the lower swing preventing rack, the structural strength is high, the first lower hinge rod and the second lower hinge rod are arranged between the first upper hinge rod and the second hinge rod, the left and right swing conditions of the lifting appliance are reduced, the stability of the lifting appliance is improved, a connecting column group is fixedly arranged between the upper swing preventing rack and the trolley, the clamping lifting appliance is convenient for clamping and lifting the lifting appliance along with the rolling of the steel wire rope, the clamping lifting appliance can conveniently, the clamping lifting plate can be stably clamped and lifted by the two ends of the lifting appliance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model (II);
Fig. 3 is a schematic view of a part of the construction of the spreader assembly.
Detailed Description
As shown in fig. 1-3, a portal crane for PC assembled building, including a bridge 1, two ends of the bridge 1 are fixed with supporting legs 7, a cart running mechanism 24 is installed at the bottom of the supporting legs 7, the cart running mechanism 24 can run along a crane track, a cart 2 is installed on the bridge 1, the cart 2 can run left and right along the cart track on the bridge 1, an electric hoist 3 is fixed on the cart 2, the electric hoist 3 includes a winding drum, a steel wire rope 4 is wound on the winding drum, a lifting hook component 5 is installed at the free end of the steel wire rope 4, which is not repeated herein, a clamping lifting tool is hooked on the lifting hook component 5, so as to clamp a prefabricated member conveniently, the clamping lifting tool comprises an upper swing preventing frame 8, a middle swing preventing frame 14 and a lower swing preventing frame 22 which are sequentially arranged below the bridge 1 from top to bottom, two upper hinging rod groups 25 are hinged at two sides of the bottom of the upper swing preventing frame 8, the upper hinge rod group 25 comprises a first upper hinge rod 9 and a second upper hinge rod 10 hinged at the bottom of the upper rocking-preventing frame 8, two lower hinge rod groups 26 are hinged at two sides of the top of the lower rocking-preventing frame 22, each lower hinge rod group 26 comprises a first lower hinge rod 15 and a second lower hinge rod 16 hinged at the top of the lower rocking-preventing frame 22, two middle hinge shafts 13 are arranged at two sides of the middle rocking-preventing frame 14, the bottom end of the first upper hinge rod 9, the bottom end of the second upper hinge rod 10, the top end of the first lower hinge rod 15 and the top end of the second lower hinge rod 16 are arranged on the corresponding middle hinge shafts 13, the bottom end of the first upper hinge rod 9, the bottom end of the second upper hinge rod 10, the top end of the first lower hinge rod 15 and the top end of the second lower hinge rod 16 are provided with hinge holes matched with the middle hinge shafts 13, the first lower hinge rod 15 and the second lower hinge rod 16 are arranged between the first upper hinge rod 9 and the second upper hinge rod 10, the left-right shaking condition of the lifting appliance is reduced, and the lifting stability is improved; go up and prevent being fixed with spliced pole group 6 between cradle 8 and the dolly 2, spliced pole group 6 includes a plurality of vertical spliced pole, realize pressing from both sides the fixed connection who gets hoist and dolly 2, be convenient for press from both sides and get hoist and control the operation along with dolly 2, the top of lower cradle 22 is fixed with hook assembly 5 complex hook portion 17, hook assembly 5 hook is on hook portion 17, be convenient for press from both sides and get hoist and go up and down along with the rolling of wire rope 4, the splint device that can open and shut is installed at lower cradle 22 both ends for press from both sides and get some specification great dull and stereotyped class panel, be convenient for stably lift by crane.
The first upper hinging rod 9 and the second upper hinging rod 10 are sequentially hinged at the bottom of the upper anti-shaking frame 8 from outside to inside; the first lower hinge rod 15 and the second lower hinge rod 16 are hinged at the top of the lower anti-rocking frame 22 from outside to inside in sequence; connecting rod devices are fixed between the corresponding two second upper hinging rods 10 and between the corresponding two second lower hinging rods 16, so that the connecting effect is achieved, and the stability of the clamping lifting appliance is improved.
The connecting rod device comprises a horizontal first connecting rod 12 and an X-shaped second connecting rod 11, and plays a role in connection.
The lifting hook assembly 5 comprises a lifting hook, the lifting hook comprises a lifting rod 31, a hook body 33 is arranged at the bottom of the lifting rod 31, limiting plates 32 are arranged on two sides of the lifting rod 31 to perform a limiting function, in the embodiment, the limiting plates 32 are trapezoid, the limiting plates 32 can also be triangular and the like, the top of the limiting plates 32 are detachably fixed on the lifting rod 31 through bolts, the lifting hook is convenient to install and detach, and the inner sides of the limiting plates 32 are attached to two sides of the tip part of the hook body 33; the hook portion 17 is provided with a hook hole 18 matched with the hook body 33, the hook body 33 is hooked in the hook hole 18, and the limiting plates 32 are arranged on two sides of the tip end portion of the hook body 33, so that the hook body 33 is prevented from falling out of the hook hole 18.
The clamping plate device comprises clamping plates 19 hinged to two sides of a lower rocking-preventing frame 22, hydraulic cylinders 23 in one-to-one correspondence with the clamping plates 19 are arranged at the top of the lower rocking-preventing frame 22, fixed ends of the hydraulic cylinders 23 are fixed on the lower rocking-preventing frame 22, free ends of the hydraulic cylinders 23 are hinged to the tops of the clamping plates 19, the hydraulic cylinders 23 stretch and retract to drive the clamping plates 19 to rotate along the hinged positions of the clamping plates 19 and the lower rocking-preventing frame 22, and accordingly opening and closing of the clamping plates 19 are achieved.
The inside of splint 19 is fixed with slipmat 20, plays the skid-proof effect, and the bottom inboard of splint 19 is equipped with holds up hook 21, sets up the bottom of waiting to clamp the prefabrication and gets, plays the hold-up effect, supplementary handling.
The upper cradle 8, the middle cradle 14 and the lower cradle 22 each comprise a rectangular frame, and reinforcing rods are fixed in the frames to increase the structural strength of the frames.
The end of the bridge 1 is fixed with two symmetrical supporting legs 7, a connecting beam 30 is fixed between the two supporting legs 7, the cart running mechanism 24 comprises a cart device 27 arranged at two ends of the bottom of the connecting beam 30, the cart device 27 comprises a cart body detachably fixed at the bottom of the connecting beam 30, two travelling wheels 28 and a driving motor 29 for driving one travelling wheel 28 to run are arranged on the cart body, four travelling wheels 28 are arranged below each connecting beam 30, the wheel pressure of each travelling wheel 28 is reduced, and the service lives of the travelling wheels 28, crane rails and the like are prolonged.
According to the utility model, clamping of prefabricated members is facilitated, lifting stability is improved, in the state that a solid line clamping lifting tool is unfolded, a broken line clamping lifting tool is folded, when a prefabricated member with a large specification is required to be lifted, a cart running mechanism 24 runs along a crane track, the clamping lifting tool runs above the prefabricated member to be lifted, the clamping lifting tool is unfolded, an electric hoist 3 works, a wire rope 4 is led to be discharged along a winding drum, a lifting hook assembly 5 drives a lower anti-swing frame 22 to run downwards, a first upper hinging rod 9, a second upper hinging rod 10, a first lower hinging rod 15 and a second lower hinging rod 16 respectively rotate along corresponding hinging positions, the hydraulic cylinder 23 is gradually unfolded, the hydraulic cylinder 23 drives a clamping plate 19 to rotate, the distance between the lower parts of the corresponding two clamping plates 19 is increased, clamping is facilitated, after the clamping plate 19 is arranged at a proper position on two sides of the prefabricated member to be lifted, the hydraulic cylinder 23 is enabled to be propped against the side surface of the prefabricated member to be lifted, the electric hoist, the clamping tool is enabled to be clamped, the electric hoist is enabled to be released, the lifting tool is driven by the lifting hook assembly 5, the lifting hook assembly is driven to drive the lower anti-swing frame 22 to run downwards, the first upper hinging rod 10, the first hinging rod 15 and the second hinging rod 16 are enabled to rotate along the corresponding hinging rod, the corresponding hinging rod is enabled to be unfolded along the corresponding hinging position, the second hinging rod to be stretched upwards, the two clamping plate is enabled to rotate along the corresponding hinging rod to the position to be stretched upwards, the corresponding hinging rod to the lifting tool is stretched to the position to be stretched, and the corresponding to the lifting tool is stretched to the position to be stretched upwards hinge the prefabricated member to be stretched, and the prefabricated member is stretched to rotate to the prefabricated member is stretched, and the prefabricated member is stretched to rotate to the prefabricated member is stretched to and is stretched to be to and is stretched to the prefabricated.
The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.
Claims (8)
1. The utility model provides a gantry crane for PC assembled building, includes the crane span structure, and the both ends of crane span structure are fixed with the landing leg, and cart running gear is installed to the bottom of landing leg, installs the dolly on the crane span structure, is fixed with electric block on the dolly, and electric block includes the reel, and the winding has wire rope on the reel, and hook assembly, its characterized in that are installed to wire rope's free end: the lifting hook assembly is hooked with a clamping lifting appliance, the clamping lifting appliance comprises an upper swing-preventing frame, a middle swing-preventing frame and a lower swing-preventing frame which are sequentially arranged below a bridge frame from top to bottom, two upper hinge rod groups are hinged to two sides of the bottom of the upper swing-preventing frame, each upper hinge rod group comprises a first upper hinge rod and a second upper hinge rod which are hinged to the bottom of the upper swing-preventing frame, two lower hinge rod groups are hinged to two sides of the top of the lower swing-preventing frame, each lower hinge rod group comprises a first lower hinge rod and a second lower hinge rod which are hinged to the top of the lower swing-preventing frame, two middle hinge shafts are arranged on two sides of the middle swing-preventing frame, and the bottom end of each first upper hinge rod, the bottom end of each second upper hinge rod, the top of each first lower hinge rod and the top of each second lower hinge rod are arranged on the corresponding middle hinge shafts; a connecting column group is fixed between the upper cradle and the trolley, a hook part matched with the lifting hook component is fixed at the top of the lower cradle, and clamping plate devices capable of opening and closing are arranged at two ends of the lower cradle.
2. The gantry crane for PC-equipped building as claimed in claim 1, wherein: the first upper hinging rod and the second upper hinging rod are sequentially hinged at the bottom of the upper anti-shaking frame from outside to inside; the first lower hinging rod and the second lower hinging rod are sequentially hinged to the top of the lower cradle from outside to inside; connecting rod devices are fixed between the two corresponding second upper hinging rods and between the two corresponding second lower hinging rods.
3. The gantry crane for PC-equipped building as claimed in claim 2, wherein: the connecting rod device comprises a horizontal first connecting rod and an X-shaped second connecting rod.
4. The gantry crane for PC-equipped building as claimed in claim 1, wherein: the lifting hook component comprises a lifting hook, the lifting hook comprises a lifting rod, the bottom of the lifting rod is provided with a hook body, two sides of the lifting rod are provided with limiting plates, the top of each limiting plate is detachably fixed on the lifting rod through bolts, and the inner sides of the limiting plates are attached to two sides of the tip end part of the hook body; the hook part is provided with a hook hole matched with the hook body.
5. The gantry crane for PC-equipped building as claimed in claim 1, wherein: the clamping plate device comprises clamping plates hinged to two sides of the lower anti-shaking frame, hydraulic cylinders in one-to-one correspondence with the clamping plates are arranged at the top of the lower anti-shaking frame, the fixed ends of the hydraulic cylinders are fixed on the lower anti-shaking frame, and the free ends of the hydraulic cylinders are hinged to the tops of the clamping plates.
6. The gantry crane for PC-equipped building as claimed in claim 5, wherein: an anti-slip pad is fixed on the inner side of the clamping plate, and a supporting hook is arranged on the inner side of the bottom of the clamping plate.
7. The gantry crane for PC-equipped building as claimed in claim 1, wherein: the upper rocking-preventing frame, the middle rocking-preventing frame and the lower rocking-preventing frame all comprise a cuboid frame, and a reinforcing rod is fixed in the frame.
8. The gantry crane for PC-equipped building as claimed in claim 1, wherein: the end of the bridge is fixed with two symmetrical supporting legs, a connecting beam is fixed between the two supporting legs, the cart running mechanism comprises a trolley device arranged at two ends of the bottom of the connecting beam, the trolley device comprises a cart body which is detachably fixed at the bottom of the connecting beam, and two travelling wheels and a driving motor which drives one travelling wheel to run are arranged on the cart body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673691.9U CN220926075U (en) | 2023-10-07 | 2023-10-07 | Portal crane for PC assembly type building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322673691.9U CN220926075U (en) | 2023-10-07 | 2023-10-07 | Portal crane for PC assembly type building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220926075U true CN220926075U (en) | 2024-05-10 |
Family
ID=90961910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322673691.9U Active CN220926075U (en) | 2023-10-07 | 2023-10-07 | Portal crane for PC assembly type building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220926075U (en) |
-
2023
- 2023-10-07 CN CN202322673691.9U patent/CN220926075U/en active Active
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