CN112479010B - Steel truss lifting device convenient and quick to lift and fix - Google Patents
Steel truss lifting device convenient and quick to lift and fix Download PDFInfo
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- CN112479010B CN112479010B CN202011317409.8A CN202011317409A CN112479010B CN 112479010 B CN112479010 B CN 112479010B CN 202011317409 A CN202011317409 A CN 202011317409A CN 112479010 B CN112479010 B CN 112479010B
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- steel truss
- sliding
- groups
- steel
- jig frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
- B66C1/14—Slings with hooks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/06—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for minimising or preventing longitudinal or transverse swinging of loads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a steel truss lifting device convenient to lift and fast to fix, which comprises an assembling jig frame and a bearing bracket, wherein the assembling jig frame extends transversely, the bearing bracket is vertically fixed on one side of the top of the assembling jig frame, and a fixing assembly is arranged on the top of the bearing bracket; the center of the top of the fixed component is provided with a hydraulic lifter, a steel strand is vertically arranged in the middle of the hydraulic lifter, a lifting hook is arranged at the bottom end of the steel strand, a steel truss is transversely arranged at the top of the assembling jig frame, and one side of the steel truss, which is close to the bearing bracket, is detachably connected with the lifting hook. Has the advantages that: according to the invention, the guide roller for supporting the transverse movement of the steel truss is arranged on the surface of the assembling jig frame, and the jack for pushing the steel truss to move is arranged on one side of the guide roller, so that the problem of difficult lifting caused by friction between the steel truss and the ground in the existing lifting mode is solved, and meanwhile, the hydraulic lifting device is suitable for being fixed and used by various hydraulic lifters with different sizes, the lifting cost is reduced, and the practicability is strong.
Description
Technical Field
The invention relates to the field of building construction equipment, in particular to a steel truss lifting device convenient and quick to lift and fix.
Background
The steel truss is a truss made of steel. The steel truss is used as a main bearing component in roof structures, crane beams, bridges, hydraulic gates and the like of industrial and civil buildings. Space steel trusses composed of three-face, four-face or multi-face plane trusses are commonly used as framework supports for various towers such as mast towers, television towers, power transmission line towers and the like. During construction of a building, it is often necessary to erect a lifting device to hoist the steel truss to a construction site.
The applicant finds that at least the following technical problems exist in the prior art: the steel truss hoist and mount hoisting device who uses at present need lift the steel truss of state of keeping flat to vertical state and carry out the pull-up, thereby it produces the friction to lift in-process steel truss to receive to pull, increase the steel truss lifts the degree of difficulty, steel strand wires lift in-process simultaneously and produce collision damage with the davit easily, influence and lift the security, the raiser fixed knot who uses simultaneously encircles the welding multiunit bent plate in the base outside and with the chucking raiser, only be applicable to once only fixedly, unable adjustment fixed position is with the not unidimensional raiser of adaptation, the practicality is poor.
Disclosure of Invention
The invention aims to solve the problems and provide a steel truss lifting device which is convenient to lift, convenient to fix and quick to lift, wherein a guide roller for supporting a steel truss to transversely move is arranged on the surface of an assembling jig frame, and a jack for pushing the steel truss to move is arranged on one side of the guide roller, so that the problem of difficult lifting caused by friction between the steel truss and the ground in the existing lifting mode is solved, the steel cable is guided and protected in the lifting process, the collision and damage between a lifting arm and a lifted object caused by the shaking of the steel cable are avoided, a plurality of groups of limit frames which are synchronously adjusted are arranged at the bottom of a lifter to realize the quick fixation of the hydraulic lifter, the hydraulic lifter is suitable for being used for fixing various hydraulic lifters with different sizes, the problems of complexity in welding and fixation and incapability of repeated use are solved, the lifting cost is reduced, the practicability is strong, and the following description is provided.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a steel truss lifting device convenient to lift and fast to fix, which comprises an assembling jig frame and a bearing bracket, wherein the assembling jig frame extends transversely, the bearing bracket is vertically fixed on one side of the top of the assembling jig frame, and a fixing assembly is arranged on the top of the bearing bracket;
the center of the top of the fixed component is provided with a hydraulic lifter, a steel strand is vertically arranged in the middle of the hydraulic lifter, a lifting hook is arranged at the bottom end of the steel strand, a steel truss is transversely arranged at the top of the assembly jig frame and is close to one side of the support bracket, the steel truss is detachably connected with the lifting hook, the top of the assembly jig frame is far away from one side of the support bracket, an auxiliary plate is transversely arranged on the outer side of the auxiliary plate, a telescopic end of the jack extends to the upper portion of the assembly jig frame and is fixedly provided with a holding bucket, and the holding bucket is tightly abutted to the steel truss.
Adopt above-mentioned steel truss hoisting device, in the use, when the steel truss that needs to assemble the bed-jig upper surface and place hoists, through fixed subassembly is fixed in the hydraulic pressure lifting mechanism and assembles bed-jig top hoisting platform upper portion, will the lifting hook of steel strand wires bottom with the rings looks joint of steel truss tip, then pass through the hydraulic pressure lifting mechanism upwards stimulates steel strand wires to upwards stimulate through this steel strand wires the steel truss and the linkage plate, through the slide rail supports the sliding frame and the linkage plate shifts up, the steel truss is in the support of deflector roll is down to vertical state rotation, simultaneously the flexible end extension of jack is in order to promote the steel truss is in the guide rail surface slides, through the steel strand wires upwards are hoisted the steel truss rotates to vertical state, and through the buffer board is right the steel truss with the support bracket is separated to realize the promotion hoist process of steel truss.
Preferably, the top of the assembling jig frame is transversely and uniformly arranged with a plurality of groups of rotating seats, the top of each rotating seat is rotatably provided with a longitudinally extending rubber guide roller, and the top surfaces of the outer circumference sides of the guide rollers are tightly abutted to the bottom of the steel truss.
Preferably, the support bracket comprises two groups of vertically extending stand columns, the two groups of stand columns are parallel to each other and are all welded and fixed at the top of the assembled jig frame, and a plurality of groups of reinforcing rods are vertically arranged on the opposite sides of the two groups of stand columns, are of a cross structure and are welded and fixed with the stand columns.
Preferably, the fixed assembly comprises a circular base and a plurality of groups of sliding blocks, a plurality of groups of guide grooves which are uniformly distributed are arranged on the outer side of the base in a surrounding mode, the sliding blocks correspond to the guide grooves one to one, the plurality of groups of sliding blocks correspondingly extend into the plurality of groups of guide grooves, the sliding blocks are in sliding fit with the guide grooves, and the tops of the plurality of groups of sliding blocks are provided with L-shaped limiting frames.
Preferably, the outer circumferential side of the base is rotatably provided with an adjusting ring, the bottom side of the adjusting ring is provided with a circular ring-shaped gear ring, the bottom of the base is provided with a plurality of screws which are distributed in a divergent manner and correspond to the sliding block, two sides of the bottoms of the guide grooves in a plurality of groups are vertically provided with rotating lugs, and the screws penetrate through the rotating lugs and are in rotating fit with the rotating lugs.
Preferably, a gear is arranged at the outer end of the screw rod, the gear is meshed with the gear ring, a circular protective layer is arranged on the outer side of the adjusting ring, and the bottom side of the protective layer is flush with the bottom side of the gear ring.
Preferably, the limiting frame comprises a vertical plate extending vertically, the vertical plate is fixed to the top of the sliding block, the bottom width of the vertical plate is larger than the top width of the guide groove, a sliding groove extending along the radial direction of the base is formed in the top of the vertical plate, a transverse plate is vertically matched in the sliding groove in a sliding mode, the bottom of the hydraulic lifter extends outwards to form a disc-shaped convex edge, and the inner side of the transverse plate extends to the position above the convex edge along the length direction of the guide groove.
Preferably, the middle part is vertically provided with a stay bar in the chute, the bottom end of the stay bar penetrates into the inner side of the vertical plate and is in threaded fit with the vertical plate, the stay bar vertically penetrates through the transverse plate, the stay bar is in clearance fit with the transverse plate, a limiting ring is fixed on the top surface of the transverse plate outside the stay bar, and the bottom of the limiting ring is abutted against the top surface of the transverse plate.
Preferably, the bearing bracket is close to the vertical slide rail that is provided with of steel strand wires one side, the slide rail cross section is T shape, just slide rail outside sliding fit has the C shape sliding sash, the sliding sash is kept away from bearing bracket one side transversely is provided with the linkage board, the steel strand wires transversely run through the linkage board, just the steel strand wires pass through the steel wire hoop with the linkage board is fixed mutually.
Preferably, the accommodating hopper is of a C-shaped groove structure with an opening facing the steel truss, the width of the opening of the accommodating hopper is larger than that of the steel truss, and the end part of the steel truss extends into the accommodating hopper and is tightly abutted against the inner side wall of the accommodating hopper.
Has the advantages that: according to the hydraulic lifting device, the guide rollers for supporting the steel truss to transversely move are arranged on the surface of the assembling jig frame, meanwhile, the jacks for pushing the steel truss to move are arranged on one sides of the guide rollers, so that the problem of difficulty in lifting caused by friction between the steel truss and the ground in the existing lifting mode is solved, the steel cable lifting process is guided and protected, the situation that a lifting arm and a lifted object are collided and damaged due to shaking of the steel cable is avoided, a plurality of groups of limiting frames which are synchronously adjusted are arranged at the bottom of the lifting device, the hydraulic lifting device is quickly fixed, meanwhile, the hydraulic lifting device is suitable for being fixedly used by various hydraulic lifting devices with different sizes, the problems that the existing welding and fixing are complicated and cannot be repeatedly used are solved, the lifting cost is reduced, and the practicability is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view structural diagram of the present invention;
FIG. 2 is a front view block diagram of the fixing assembly of the present invention;
FIG. 3 is an internal block diagram of the fixing assembly of the present invention;
FIG. 4 is a view showing the inner structure of the container of the present invention;
fig. 5 is an enlarged view of the structure at a in fig. 4.
The reference numerals are explained below:
1. assembling a jig frame; 101. a steel truss; 102. a rotating seat; 103. a guide roller; 2. a support bracket; 201. a column; 202. a reinforcing rod; 3. a fixing assembly; 301. a base; 301a, a guide groove; 302. an adjusting ring; 302a, a gear ring; 302b, a protective layer; 303. a slider; 304. a limiting frame; 304a, a riser; 304b, a transverse plate; 304c, a chute; 305. a stay bar; 305a, a limiting ring; 305b, a knob; 306. rotating the lug; 307. a screw; 307a, a gear; 4. a hydraulic lifter; 5. steel strand wires; 501. a hook; 6. an auxiliary plate; 7. a jack; 701. an accommodating hopper; 8. a slide rail; 9. a sliding frame; 901. a linkage plate; 902. a buffer plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1 to 5, the invention provides a steel truss lifting device convenient to lift and fast to fix, which comprises an assembling jig frame 1 and a supporting bracket 2, wherein the assembling jig frame 1 extends transversely, the supporting bracket 2 is vertically fixed on one side of the top of the assembling jig frame 1, and a fixing component 3 is arranged on the top of the supporting bracket 2;
fixed subassembly 3 top center is provided with hydraulic pressure lifting mechanism 4, the vertical steel strand wires 5 that are provided with in this hydraulic pressure lifting mechanism 4 middle part, 5 bottom of steel strand wires are provided with lifting hook 501, it transversely is provided with steel truss 101 to assemble bed-jig 1 top, steel truss 101 is close to and can dismantle with lifting hook 501 and be connected by support bracket 2 one side, it keeps away from support bracket 2 one side and is provided with accessory plate 6 to assemble bed-jig 1 top, this accessory plate 6 outside transversely is provided with jack 7, this jack 7 flexible end extends to and assembles bed-jig 1 top and is fixed with the holding and fights 701, the holding is fought 701 and steel truss 101 counterbalance tightly.
As an optional implementation manner, a plurality of groups of rotating seats 102 are transversely and uniformly arranged at the top of the assembling jig frame 1, longitudinally extending rubber guide rollers 103 are rotatably arranged at the top of the rotating seats 102, the top surfaces of the outer circumferential sides of the plurality of groups of guide rollers 103 are abutted against the bottom of the steel truss 101, the support bracket 2 comprises two groups of vertically extending upright posts 201, the two groups of upright posts 201 are parallel to each other and are welded and fixed at the top of the assembling jig frame 1, a plurality of groups of reinforcing rods 202 are vertically arranged at the opposite sides of the two groups of upright posts 201, and the reinforcing rods 202 are of a cross structure and are welded and fixed with the upright posts 201;
the fixing component 3 comprises a circular base 301 and a plurality of groups of sliding blocks 303, a plurality of groups of guide grooves 301a which are uniformly distributed are arranged around the outer side of the base 301, the sliding blocks 303 correspond to the guide grooves 301a one by one, the plurality of groups of sliding blocks 303 correspondingly extend into the plurality of groups of guide grooves 301a, the sliding blocks 303 are in sliding fit with the guide grooves 301a, and the tops of the plurality of groups of sliding blocks 303 are provided with L-shaped limiting frames 304; the adjusting ring 302 is rotatably arranged on the outer circumferential side of the base 301, an annular gear ring 302a is arranged on the bottom side of the adjusting ring 302, a plurality of screws 307 which are distributed in a divergent manner are arranged at the bottom of the base 301 corresponding to the sliding block 303, rotating lugs 306 are vertically arranged on two sides of the bottoms of a plurality of groups of guide grooves 301a, the screws 307 penetrate through the rotating lugs 306 and are in rotating fit with the rotating lugs 306, gears 307a are arranged at the outer ends of the screws 307, the gears 307a are meshed with the gear rings 302a, an annular protective layer 302b is arranged on the outer side of the adjusting ring 302, the bottom side of the protective layer 302b is flush with the bottom side of the gear ring 302a, when the hydraulic lifter 4 is required to be fixed on the top surface of the base 301, the hydraulic lifter 4 is arranged at the center of the top surface of the base 301, then the adjusting ring 302 is rotated, the gear rings 302a drive a to synchronously rotate a plurality of groups of gears 307a, the screws 307a are driven to rotate by the gears 307a, the screws 307 and are matched with the threads of the sliding block 303, and under the guiding action of the guide grooves 301a guide the sliding block, the sliding block 303, so as to drive the sliding block 303 to move to tightly support the lifting frame 304 to tightly against the inner side of the limiting block 304, and realize the synchronous fixing process of the limiting block 304;
the limiting frame 304 comprises a vertical plate 304a extending vertically, the vertical plate 304a is fixed on the top of the sliding block 303, the bottom width of the vertical plate 304a is larger than the top width of the guide groove 301a, the top of the vertical plate 304a is provided with a sliding groove 304c extending along the radial direction of the base 301, a transverse plate 304b is in vertical sliding fit in the sliding groove 304c, the bottom of the hydraulic lifter 4 extends outwards to form a disc-shaped convex edge, the inner side of the transverse plate 304b extends to the upper side of the convex edge along the length direction of the guide groove 301a, a stay bar 305 is vertically arranged in the middle of the sliding groove 304c, the bottom end of the stay bar 305 penetrates into the inner side of the vertical plate 304a and is in threaded fit with the vertical plate 304a, the stay bar 305 vertically penetrates through the transverse plate 304b, the supporting rod 305 is in clearance fit with the horizontal plate 304b, a limiting ring 305a is fixed on the outer side of the supporting rod 305 on the top surface of the horizontal plate 304b, the bottom of the limiting ring 305a abuts against the top surface of the horizontal plate 304b, a knob 305b is arranged at the top end of the supporting rod 305, when the position height of the horizontal plate 304b needs to be adjusted to abut against the top surface of the bottom edge of the hydraulic lifter 4, the knob 305b is rotated to drive the supporting rod 305 and the limiting ring 305a to rotate synchronously, so that the horizontal plate 304b is pressed downwards through the limiting ring 305a by the thread fit effect of the supporting rod 305 and the vertical plate 304a, and the position height of the horizontal plate 304b is adjusted to ensure that the horizontal plate 304b abuts against the top surface of the bottom edge of the hydraulic lifter 4;
the bearing bracket 2 is vertically provided with a slide rail 8 close to one side of the steel strand 5, the cross section of the slide rail 8 is T-shaped, the outer side of the slide rail 8 is in sliding fit with a C-shaped slide frame 9, one side of the slide frame 9, which is far away from the bearing bracket 2, is transversely provided with a linkage plate 901, the steel strand 5 transversely penetrates through the linkage plate 901, the steel strand 5 is fixed with the linkage plate 901 through a steel wire hoop, the accommodating bucket 701 is of a C-shaped groove structure with an opening facing the steel truss 101, the opening width of the accommodating bucket 701 is larger than that of the steel truss 101, the end part of the steel truss 101 extends into the accommodating bucket 701 and is tightly abutted against the inner side wall of the accommodating bucket 701, and therefore the accommodating bucket 701 is transversely pushed through a jack 7 in the hoisting process of the steel truss 101, and the steel truss 101 is supported to be guided and transversely moved through the accommodating bucket 701.
By adopting the structure, when the steel truss 101 placed on the upper surface of the assembly jig frame 1 needs to be lifted in the using process, the hydraulic lifter 4 is fixed on the upper part of the lifting platform at the top end of the assembly jig frame 1 through the fixing component 3, the lifting hook 501 at the bottom end of the steel strand 5 is clamped with the lifting ring at the end part of the steel truss 101, then the steel strand 5 is pulled upwards through the hydraulic lifter 4, so that the steel truss 101 and the linkage plate 901 are pulled upwards through the steel strand 5, the sliding frame 9 and the linkage plate 901 are supported through the sliding rail 8 to move upwards, the steel truss 101 rotates to the vertical state under the support of the guide roller 103, the telescopic end of the jack 7 extends to push the steel truss 101 to slide on the surface of the guide rail, the steel truss 101 is lifted upwards through the steel strand 5 to rotate to the vertical state, and the steel truss 101 is separated from the bearing bracket 2 through the buffer plate 902, so that the lifting and lifting process of the steel truss 101 is realized;
through set up the deflector roll 103 that supports the sideslip of steel truss 101 on assembling bed-jig 1 surface, set up the jack 7 that promotes steel truss 101 and remove simultaneously in deflector roll 103 one side, improve the difficult problem of lifting by crane that current hoist and mount mode steel truss 101 and ground produced the friction and arouse, simultaneously guide the protection to cable wire lift process, avoid the cable wire to rock and cause the davit and produce the collision damage with the hoist and mount thing, and install multiunit synchronization adjustment's spacing 304 at the riser bottom, in order to realize hydraulic lifting mechanism 4's quick fixation, simultaneously applicable in the fixed use of multiple not unidimensional hydraulic lifting mechanism 4, the loaded down with trivial details and the unable used repeatedly problem of current welded fastening are improved, the hoist and mount cost is reduced, therefore, the clothes hanger is strong in practicability.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (3)
1. The utility model provides a lift by crane convenient fixed quick steel truss hoisting device which characterized in that: the jig comprises an assembling jig frame (1) and a support bracket (2), wherein the assembling jig frame (1) extends transversely, the support bracket (2) is vertically fixed on one side of the top of the assembling jig frame (1), and a fixing component (3) is arranged on the top of the support bracket (2);
a hydraulic lifter (4) is arranged in the center of the top of the fixed assembly (3), a steel strand (5) is vertically arranged in the middle of the hydraulic lifter (4), a lifting hook (501) is arranged at the bottom end of the steel strand (5), a steel truss (101) is transversely arranged at the top of the assembling jig frame (1), one side, close to the bearing bracket (2), of the steel truss (101) is detachably connected with the lifting hook (501), an auxiliary plate (6) is arranged at one side, far away from the bearing bracket (2), of the top of the assembling jig frame (1), a lifting jack (7) is transversely arranged on the outer side of the auxiliary plate (6), the telescopic end of the lifting jack (7) extends to the upper portion of the assembling jig frame (1) and is fixedly provided with an accommodating bucket (701), and the accommodating bucket (701) is tightly abutted to the steel truss (101);
a plurality of groups of rotating seats (102) are transversely and uniformly arranged at the top of the assembling jig frame (1), longitudinally extending rubber guide rollers (103) are rotatably arranged at the top of the rotating seats (102), and the top surfaces of the outer circumferential sides of the plurality of groups of guide rollers (103) are abutted against the bottom of the steel truss (101);
the fixing assembly (3) comprises a circular base (301) and a plurality of groups of sliding blocks (303), a plurality of groups of guide grooves (301 a) which are uniformly distributed are arranged on the outer side of the base (301) in a surrounding mode, the sliding blocks (303) correspond to the guide grooves (301 a) one to one, the plurality of groups of sliding blocks (303) correspondingly extend into the plurality of groups of guide grooves (301 a), the sliding blocks (303) are in sliding fit with the guide grooves (301 a), and L-shaped limiting frames (304) are arranged on the tops of the plurality of groups of sliding blocks (303);
the outer circumferential side of the base (301) is rotatably provided with an adjusting ring (302), the bottom side of the adjusting ring (302) is provided with an annular gear ring (302 a), the bottom of the base (301) is provided with a plurality of screws (307) distributed in a divergent manner corresponding to the sliding block (303), two sides of the bottom of a plurality of groups of guide grooves (301 a) are vertically provided with rotating lugs (306), and the screws (307) penetrate through the rotating lugs (306) and are in rotating fit with the rotating lugs (306);
a gear (307 a) is arranged at the outer end of the screw rod (307), the gear (307 a) is meshed with the gear ring (302 a), an annular protective layer (302 b) is arranged on the outer side of the adjusting ring (302), and the bottom side of the protective layer (302 b) is flush with the bottom side of the gear ring (302 a);
a sliding rail (8) is vertically arranged on one side, close to the steel strand (5), of the support bracket (2), the cross section of the sliding rail (8) is T-shaped, a C-shaped sliding frame (9) is in sliding fit with the outer side of the sliding rail (8), a linkage plate (901) is transversely arranged on one side, far away from the support bracket (2), of the sliding frame (9), the steel strand (5) transversely penetrates through the linkage plate (901), and the steel strand (5) is fixed with the linkage plate (901) through a steel wire hoop;
the limiting frame (304) comprises a vertically extending vertical plate (304 a), the vertical plate (304 a) is fixed to the top of the sliding block (303), the bottom width of the vertical plate (304 a) is larger than the top width of the guide groove (301 a), a sliding groove (304 c) extending along the radial direction of the base (301) is formed in the top of the vertical plate (304 a), a transverse plate (304 b) is vertically matched in the sliding groove (304 c) in a sliding mode, the bottom of the hydraulic lifter (4) extends outwards to form a disc-shaped convex edge, and the inner side of the transverse plate (304 b) extends to the position above the convex edge along the length direction of the guide groove (301 a);
the middle part is vertically provided with vaulting pole (305) in spout (304 c), vaulting pole (305) bottom penetrate riser (304 a) inboard and with this riser (304 a) screw-thread fit, vaulting pole (305) vertically run through diaphragm (304 b), just vaulting pole (305) with diaphragm (304 b) clearance fit, diaphragm (304 b) top surface vaulting pole (305) outside is fixed with spacing ring (305 a), spacing ring (305 a) bottom support tightly in diaphragm (304 b) top surface.
2. The steel truss lifting device convenient and quick to lift and fix as claimed in claim 1, wherein: the bearing bracket (2) comprises two groups of vertical extending stand columns (201), the stand columns (201) are parallel to each other and are all welded and fixed to the top of the assembled jig frame (1), the opposite sides of the stand columns (201) are vertically provided with a plurality of groups of reinforcing rods (202), and the reinforcing rods (202) are of a cross structure and are fixed to the stand columns (201) through welding.
3. The steel truss lifting device convenient and quick to lift and fix as claimed in claim 1, wherein: the containing hopper (701) is of a C-shaped groove structure with an opening facing the steel truss (101), the width of the opening of the containing hopper (701) is larger than that of the steel truss (101), and the end part of the steel truss (101) extends into the containing hopper (701) and is abutted against the inner side wall of the containing hopper (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317409.8A CN112479010B (en) | 2020-11-23 | 2020-11-23 | Steel truss lifting device convenient and quick to lift and fix |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011317409.8A CN112479010B (en) | 2020-11-23 | 2020-11-23 | Steel truss lifting device convenient and quick to lift and fix |
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| Publication Number | Publication Date |
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| CN112479010A CN112479010A (en) | 2021-03-12 |
| CN112479010B true CN112479010B (en) | 2023-01-24 |
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| CN202011317409.8A Active CN112479010B (en) | 2020-11-23 | 2020-11-23 | Steel truss lifting device convenient and quick to lift and fix |
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| US10252893B2 (en) * | 2015-11-23 | 2019-04-09 | Mark Helmuth | Hoisting system, apparatus, kit and methodology |
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| CN206735704U (en) * | 2017-03-30 | 2017-12-12 | 成都铁塔厂 | A kind of steel construction entrucking handling device |
| CN108532963A (en) * | 2018-04-24 | 2018-09-14 | 共享钢构有限责任公司 | The hydraulic lifting installation method of large span high-altitude steel frame gallery structure |
| CN210508440U (en) * | 2019-08-13 | 2020-05-12 | 上海宝冶集团南京建筑有限公司 | Turnover lifting device for single-piece large-span steel truss |
| CN111472555A (en) * | 2020-04-26 | 2020-07-31 | 深圳市嘉盛建筑工程有限公司 | Hoisting method for steel truss of aerial swimming pool |
| CN111807216A (en) * | 2020-06-30 | 2020-10-23 | 中国建筑第五工程局有限公司 | Hoisting device for prefabricated components of fabricated building |
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