CN210764041U - Tower crane - Google Patents
Tower crane Download PDFInfo
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- CN210764041U CN210764041U CN201921545947.5U CN201921545947U CN210764041U CN 210764041 U CN210764041 U CN 210764041U CN 201921545947 U CN201921545947 U CN 201921545947U CN 210764041 U CN210764041 U CN 210764041U
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Abstract
The utility model relates to a tower crane, which comprises a tower column and a balance arm arranged at the top of the tower column; a plurality of crawling devices are arranged in the tower column and are sequentially connected end to end; the crawling device comprises a platform and an escalator, wherein the platform comprises a frame, four connecting pieces arranged at the bottom of the frame and four guardrails arranged on the outer side of the frame; a screen plate is arranged in the frame, a climbing opening for workers to climb up and down is formed on the screen plate, and ear plates used for connecting an escalator are arranged on two opposite sides of the climbing opening; and the tower column is provided with a hanging plate connected with the connecting piece. The utility model has the characteristics of structural design is reasonable, convenient assembling, the sound construction, and the security is high, can transport by the split, and is with low costs.
Description
Technical Field
The utility model belongs to the technical field of engineering machine tool, concretely relates to tower crane.
Background
The tower crane is a common transportation tool in a large civil engineering building ground plate and is mainly used for vertical and horizontal transportation of materials and installation of building components in building construction. A crawling device (generally a crawling ladder) is usually installed on the tower crane and is used for operating personnel to climb to a cab on the top of the tower for operation, but the crawling device of the existing tower crane has an integral structure and a large volume, so that the transportation cost is high; and the safety facilities are incomplete, so that potential safety hazards exist in the crawling process of the operating personnel.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that to above-mentioned defect, provide a tower crane, structural design is reasonable, convenient assembling, sound construction, and the security is high, can transport by the split, and is with low costs.
The utility model provides a technical scheme that its technical problem adopted as follows:
a tower crane comprises a tower column and a balance arm arranged at the top of the tower column; a plurality of crawling devices are arranged in the tower column and are sequentially connected end to end; the crawling device comprises a platform and an escalator, wherein the platform comprises a frame, four connecting pieces arranged at the bottom of the frame and four guardrails arranged on the outer side of the frame; a screen plate is arranged in the frame, a climbing opening for workers to climb up and down is formed on the screen plate, and ear plates used for connecting an escalator are arranged on two opposite sides of the climbing opening; the tower column is provided with a hanging plate connected with a connecting piece, the connecting piece comprises a bottom plate, a vertical plate and a side plate, one end of the bottom plate is connected with the frame, and the other end of the bottom plate is positioned outside the frame; the vertical plate is vertically arranged on the bottom surface of the bottom plate, and the axial direction of the vertical plate is consistent with that of the bottom plate; the side plate is arranged on the bottom plate and positioned on one side of the vertical plate, the axial direction of the side plate is vertical to the axial direction of the bottom plate, a gap for accommodating the hanging plate is arranged on the surface of the vertical plate opposite to the side plate, and the height of the gap is greater than that of the side plate; the escalator comprises a ladder stand, two protective rings arranged up and down and a batten connected with the two protective rings, wherein the end part of the ladder stand is connected with an ear plate, an opening is arranged on each protective ring, butt-joint plates connected to the ladder stand are arranged at the two ends of the opening, and through holes are formed in the two butt-joint plates; be equipped with the locating lever between two butt-joint plates, the both ends of this locating lever set up on the cat ladder, and the both ends of locating lever all are equipped with fastening nut.
Furthermore, two lantern rings which are arranged up and down are arranged on the outer side face of the frame, a gap is formed between the two lantern rings, the end portion of the guardrail is inserted into the two lantern rings, and the pin shaft which is located in the gap is arranged at the end portion of the guardrail in an inserted mode.
Further, the guardrail is the U type, links to each other through U type spare between two adjacent guardrails, and is equipped with the intubate of connecting U type spare on the guardrail.
Furthermore, a hoop sleeved on the positioning rod is arranged between the butt joint plate and the crawling ladder and comprises a flat plate, a first folded plate and a second folded plate, the first folded plate and the second folded plate are positioned on the same side of the flat plate, the second folded plate is positioned below the first folded plate, a positioning hole used for connecting the positioning rod is formed in the flat plate, and the first folded plate is positioned below the positioning hole; the upper end face of the first folded plate is provided with a limiting head at one side of the flat plate, and an installation space for accommodating the butt-joint plate is formed between the limiting head and the flat plate.
Further, the first and second flaps are bent in opposite directions.
Furthermore, the tower column comprises four main chords which are arranged in parallel, a plurality of reinforcing assemblies are arranged between every two adjacent main chords, and each reinforcing assembly comprises a first auxiliary rod, a second auxiliary rod, a third auxiliary rod, a fourth auxiliary rod and a fifth auxiliary rod; two ends of the first auxiliary rod, the two ends of the second auxiliary rod, the two ends of the third auxiliary rod, the two ends of the fourth auxiliary rod and the two ends of the fifth auxiliary rod are all installed on two adjacent main chords, the first auxiliary rod, the second auxiliary rod and the third auxiliary rod form a triangular structure, the fourth auxiliary rod is arranged on one side of the third auxiliary rod, the fifth auxiliary rod is arranged on one side of the fourth auxiliary rod, the third auxiliary rod and one of the main chords form a triangular structure, and the third auxiliary rod and the fifth auxiliary rod are symmetrically arranged by taking the fourth auxiliary rod as an axis.
The utility model has the advantages that:
(1) the utility model provides a plurality of devices of crawling are for dismantling the connection, and the connection also can be dismantled to single device of crawling in addition, can carry out the vanning as the part like this, not only be convenient for in the transportation, but also can reduce the volume greatly to save the cost. The net plate is used for operators to step on, the ear plate on the climbing opening can be connected with two escalators which are arranged one above the other, so that the net plate can be transferred to another ladder to continuously climb; the connecting piece is fixedly connected with the hanging plate on the tower column, specifically, one end of the bottom plate is in threaded connection with the frame, the connection is firm, and the tightness can be adjusted during installation so as to facilitate installation; the hanging plate is inserted in the gap and limited by the side plate, the bottom plate and the vertical plate, so that the connecting piece and the hanging plate cannot move, firm connection is realized, and safety is improved; when the operating personnel crawl on the escalator, the operating personnel can lean against the guard rings to rest or carry out maintenance work, so that too much physical power is avoided being consumed, the two guard rings arranged up and down and the lath for connecting the two guard rings ensure the structural firmness and the reliability for leaning of the operating personnel, and the personal safety of the operating personnel is ensured; the two guard rings are fixedly arranged on the crawling ladder through the positioning rod and the fastening nut, so that the crawling ladder is convenient to assemble, disassemble and maintain; and the butt-joint plate is connected with the crawling ladder through the hoop, so that the firmness of the guard ring structure is further ensured, and the guard ring is prevented from deforming under the action of stress to cause potential safety hazards. Structural design is reasonable, convenient assembling, and the sound construction, the security is high.
(2) The utility model discloses in can improve the security through the guardrail, can supply operation personnel's hand to hold in addition, play the additional action, and the round pin axle forms spacingly with two lantern rings, the guardrail just can be fixed like this, structural design is reasonable.
(3) The utility model discloses a U type spare makes four guardrails connect as an organic wholely, and the structure is firm, avoids rocking to improve the security.
(4) The utility model discloses a four main chords of enhancement subassembly can firmly be connected to strengthen its crushing resistance, guaranteed life and security of using.
Drawings
The foregoing and other objects, features, and advantages of the invention will be apparent from the following detailed description taken in conjunction with the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the middle tower and the crawling device of the present invention;
FIG. 3 is a schematic view of the connection structure of the connecting member and the hanging plate of the present invention;
fig. 4 is a schematic structural diagram of the platform of the present invention;
FIG. 5 is a schematic structural view of a connecting member according to the present invention;
fig. 6 is a schematic structural view of the escalator of the present invention;
FIG. 7 is a schematic view of the structure of the retainer ring of the present invention;
fig. 8 is a schematic structural view of the middle hoop of the present invention;
wherein: pylon 1, main chord 11, link plate 111, reinforcement component 12, first auxiliary rod 121, second auxiliary rod 122, third auxiliary rod 123, fourth auxiliary rod 124, fifth auxiliary rod 125, balance arm 2, crawling device 3, platform 31, frame 311, connecting piece 312, bottom plate 3121, riser 3122, side plate 3123, climbing mouth 313, otic placode 314, otter board 315, U-shaped guardrail 316, intubate 3131, lantern ring 318, U-shaped spare 319, staircase 32, cat ladder 321, retainer 322, lath 323, butt plate 324, locating lever 325, clamp 326, flat plate 3261, first flap 3262, second flap 3263, locating hole 3264, limiting head 3265.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 to 8 show a tower crane, which comprises a tower column 1 and a balance arm 2 arranged at the top of the tower column 1; a plurality of crawling devices 3 are arranged in the tower column 1, and the crawling devices 3 are sequentially connected end to end.
The tower column 1 comprises four main chords 11 which are arranged in parallel, and each main chord 11 is formed by connecting a plurality of angle steels through fishplates. A plurality of reinforcing assemblies 12 are arranged between every two adjacent main chords 11, and each reinforcing assembly 12 comprises a first auxiliary rod 121, a second auxiliary rod 122, a third auxiliary rod 123, a fourth auxiliary rod 124 and a fifth auxiliary rod 125; two ends of the first auxiliary rod 121, two ends of the second auxiliary rod 122, two ends of the third auxiliary rod 123, two ends of the fourth auxiliary rod 124 and two ends of the fifth auxiliary rod 125 are all fixed on two adjacent main chords 11 through bolts, so that the two-part combined type movable auxiliary chord can be disassembled into parts for transportation, and cost is saved. The first sub-rod 121, the second sub-rod 122 and the third sub-rod 123 form a triangular structure, the fourth sub-rod 124 is disposed on one side of the third sub-rod 123, the fifth sub-rod 125 is disposed on one side of the fourth sub-rod 124, the fourth sub-rod 124 and the third sub-rod 123 form a triangular structure with one of the main chords 11, and the third sub-rod 123 and the fifth sub-rod 125 are disposed symmetrically with the fourth sub-rod 124 as an axis.
The crawling device 3 comprises a platform 31 and an escalator 32, wherein the platform 31 comprises a frame 311, four connecting pieces 312 arranged at the bottom of the frame and four U-shaped guardrails 316 arranged on the outer side of the frame 311; two adjacent guardrails 316 are connected through a U-shaped member 319, and an insertion pipe 3131 connected with the U-shaped member 319 is arranged on each guardrail; two up-and-down lantern rings 318 are arranged on the outer side surface of the frame 311, a gap is arranged between the two lantern rings 318, the end part of the guardrail 316 is inserted into the two lantern rings 318, and a pin shaft (not shown in the figure) in the gap is inserted into the end part of the guardrail 313. A screen 315 is arranged in the frame 311, a climbing opening 313 for workers to climb up and down is formed on the screen, and ear plates 314 for connecting the escalator 32 are arranged on two opposite sides of the climbing opening 313; the hanging plate 111 connected with the connecting piece 312 is arranged on the main chord 11 of the tower column 1, the connecting piece 312 comprises a bottom plate 3121, a vertical plate 3122 and a side plate 3123, one end of the bottom plate 3121 is connected with the frame 311, and the other end is positioned at the outer side of the frame 311; vertical plate 3122 is vertically disposed on the bottom surface of bottom plate 3121, and vertical plate 3122 keeps the same with the axial direction of bottom plate 3121; the side plate 3123 is disposed on the bottom plate 3121 and located at one side of the vertical plate 3122, the axial direction of the side plate 3123 is perpendicular to the axial direction of the bottom plate 3121, and a gap 3124 for accommodating the hanging plate 111 is disposed on the surface of the vertical plate 3122 opposite to the side plate 3123, and the height of the gap 3124 is greater than the height of the side plate 3123.
The staircase 32 comprises a ladder stand 321, two guard rings 322 arranged up and down and a lath 323 connecting the two guard rings 322, wherein the end part of the ladder stand 321 is connected with the lug plate 314, the guard ring 322 is provided with an opening, the two ends of the opening are respectively provided with a butt joint plate 324 connected to the ladder stand 321, and the two butt joint plates 324 are respectively provided with a through hole; a positioning rod 325 is disposed between the two abutting plates 324, two ends of the positioning rod 325 are disposed on the ladder stand 321, and two ends of the positioning rod 325 are both provided with fastening nuts, so that the positioning rod 325 is fixed on the ladder stand 321 through the fastening nuts, that is, the two retainers 322 are fixed on the ladder stand 321.
A hoop 326 sleeved on the positioning rod 325 is arranged between the abutting plate 324 and the ladder 321, the hoop 326 comprises a flat plate 3261, a first folding plate 3262 and a second folding plate 3263, the first folding plate 3262 and the second folding plate 3263 are positioned on the same side of the flat plate 3261, the second folding plate 3263 is positioned below the first folding plate 3262, a positioning hole 3264 used for connecting the positioning rod 325 is formed in the flat plate 3261, the first folding plate 3262 is positioned below the positioning hole, and the bending directions of the first folding plate 3262 and the second folding plate 3263 are opposite. The upper end face of the first folding plate 3262 is provided with a limiting head 3265 positioned on one side of the flat plate, an installation space for accommodating the butt joint plate 324 is formed between the limiting head 3265 and the flat plate 3261, the butt joint plate is limited by the limiting head and the flat plate and fixed, and swinging and shaking are avoided, so that the safety of workers is ensured; and the second folded plate is closely laminated with the surface of curb plate then, avoids staple bolt self to take place to rotate to the structural firmness that the protective shroud was connected with the cat ladder has been strengthened.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the techniques of the present invention are substantially any simple modification and equivalent changes to the above embodiments, all falling within the protection scope of the present invention.
Claims (6)
1. A tower crane, characterized in that: comprises a tower column and a balance arm arranged at the top of the tower column; a plurality of crawling devices are arranged in the tower column and are sequentially connected end to end;
the crawling device comprises a platform and an escalator, wherein the platform comprises a frame, four connecting pieces arranged at the bottom of the frame and four guardrails arranged on the outer side of the frame; a screen plate is arranged in the frame, a climbing opening for workers to climb up and down is formed on the screen plate, and ear plates used for connecting an escalator are arranged on two opposite sides of the climbing opening; the tower column is provided with a hanging plate connected with a connecting piece, the connecting piece comprises a bottom plate, a vertical plate and a side plate, one end of the bottom plate is connected with the frame, and the other end of the bottom plate is positioned outside the frame; the vertical plate is vertically arranged on the bottom surface of the bottom plate, and the axial direction of the vertical plate is consistent with that of the bottom plate; the side plate is arranged on the bottom plate and positioned on one side of the vertical plate, the axial direction of the side plate is vertical to the axial direction of the bottom plate, a gap for accommodating the hanging plate is arranged on the surface of the vertical plate opposite to the side plate, and the height of the gap is greater than that of the side plate;
the escalator comprises a ladder stand, two protective rings arranged up and down and a batten connected with the two protective rings, wherein the end part of the ladder stand is connected with an ear plate, an opening is arranged on each protective ring, butt-joint plates connected to the ladder stand are arranged at the two ends of the opening, and through holes are formed in the two butt-joint plates; be equipped with the locating lever between two butt-joint plates, the both ends of this locating lever set up on the cat ladder, and the both ends of locating lever all are equipped with fastening nut.
2. A tower crane according to claim 1, wherein: the outer side face of the frame is provided with two lantern rings which are arranged up and down, a gap is arranged between the two lantern rings, the end part of the guardrail is inserted into the two lantern rings, and the pin shaft in the gap is arranged at the end part of the guardrail in an inserted mode.
3. A tower crane according to claim 1, wherein: the guardrail is the U type, links to each other through U type spare between two adjacent guardrails, and is equipped with the intubate of connecting U type spare on the guardrail.
4. A tower crane according to claim 1, wherein: a hoop sleeved on the positioning rod is arranged between the butt joint plate and the crawling ladder and comprises a flat plate, a first folded plate and a second folded plate, the first folded plate and the second folded plate are positioned on the same side of the flat plate, the second folded plate is positioned below the first folded plate, a positioning hole used for connecting the positioning rod is formed in the flat plate, and the first folded plate is positioned below the positioning hole; the upper end face of the first folded plate is provided with a limiting head at one side of the flat plate, and an installation space for accommodating the butt-joint plate is formed between the limiting head and the flat plate.
5. A tower crane according to claim 4, wherein: the first folded plate and the second folded plate are bent in opposite directions.
6. A tower crane according to claim 1, wherein: the tower column comprises four main chords which are arranged in parallel, a plurality of reinforcing components are arranged between every two adjacent main chords, and each reinforcing component comprises a first auxiliary rod, a second auxiliary rod, a third auxiliary rod, a fourth auxiliary rod and a fifth auxiliary rod; two ends of the first auxiliary rod, the two ends of the second auxiliary rod, the two ends of the third auxiliary rod, the two ends of the fourth auxiliary rod and the two ends of the fifth auxiliary rod are all installed on two adjacent main chords, the first auxiliary rod, the second auxiliary rod and the third auxiliary rod form a triangular structure, the fourth auxiliary rod is arranged on one side of the third auxiliary rod, the fifth auxiliary rod is arranged on one side of the fourth auxiliary rod, the third auxiliary rod and one of the main chords form a triangular structure, and the third auxiliary rod and the fifth auxiliary rod are symmetrically arranged by taking the fourth auxiliary rod as an axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545947.5U CN210764041U (en) | 2019-09-17 | 2019-09-17 | Tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921545947.5U CN210764041U (en) | 2019-09-17 | 2019-09-17 | Tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210764041U true CN210764041U (en) | 2020-06-16 |
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ID=71065832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921545947.5U Active CN210764041U (en) | 2019-09-17 | 2019-09-17 | Tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210764041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709451A (en) * | 2020-11-23 | 2021-04-27 | 邹胜斌 | Building construction material conveying structure and construction method |
-
2019
- 2019-09-17 CN CN201921545947.5U patent/CN210764041U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112709451A (en) * | 2020-11-23 | 2021-04-27 | 邹胜斌 | Building construction material conveying structure and construction method |
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