CN210393512U - Rocker arm derrick mast for hoisting large-section heavy tower head and tower crane - Google Patents
Rocker arm derrick mast for hoisting large-section heavy tower head and tower crane Download PDFInfo
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- CN210393512U CN210393512U CN201921441921.6U CN201921441921U CN210393512U CN 210393512 U CN210393512 U CN 210393512U CN 201921441921 U CN201921441921 U CN 201921441921U CN 210393512 U CN210393512 U CN 210393512U
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Abstract
The utility model discloses a rocking arm gin pole and tower crane for hoisting a heavy tower head with a large cross section, wherein the rocking arm gin pole comprises a gin pole upright post, a gin pole cantilever beam, a gin pole coat, a pulley, a hoisting rope and a lifting appliance, the gin pole coat is vertically installed at the top of a mast tower through a connecting piece, the gin pole upright post is rotatably sleeved in the gin pole coat, and the top end of the gin pole coat extends out of the gin pole coat; the cantilever beam of the gin pole is horizontally connected with the extending section of the gin pole stand column, the pulleys are respectively arranged at one end of the gin pole cantilever beam, which deviates from the gin pole stand column, and the top of the gin pole stand column, the hoisting rope sequentially penetrates through the interior of the gin pole jacket along the vertical direction after being wound with the pulleys at two positions, the free end of the hoisting rope is connected with the hoisting tool, and the other end of the hoisting rope is used for being connected with the power assembly. The swing arm derrick masts are installed on the top of the mast tower through the connecting piece after being assembled, the tower head is hung above the top of the mast tower through the power assembly, the derrick mast cantilever beam is rotated to enable the tower head to rotate to be right above the top of the mast tower, the hoisting ropes are loosened to install the tower head in place, and the whole installation process is simple to operate, safe and reliable.
Description
Technical Field
The utility model relates to a gin pole field is used in hoist and mount, concretely relates to heavy tower head of large cross-section hoists and uses rocking arm gin pole and tower crane.
Background
At present, a tower head of a common guyed mast tower is generally wider than a tower body and is in a fully closed state, and particularly for hoisting a heavy tower head with a large section, the existing suspension derrick mast, the light climbing derrick mast, the pull-line derrick mast, the cantilever derrick mast and the suspension derrick mast are not suitable. Meanwhile, a construction site is usually located in a mountainous area, a hoisting machine cannot reach the site, and construction cannot be completed. The simplest method is most beneficial to control, safe and economical in the super-high altitude operation. Therefore, a rocker arm derrick mast for hoisting a large-section heavy tower head, which has the advantages of simple structure, convenience in operation, safety and reliability, is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heavy tower head of large cross-section hoists and uses rocking arm gin pole solves the construction difficult problem of the heavy tower head of large cross-section of current mast tower that acts as go-between.
In order to achieve the purpose, the rocker arm derrick mast for installing and hoisting the large-section heavy tower head provided by the utility model comprises a derrick mast upright, a derrick cantilever beam, a derrick mast jacket, a pulley, a hoisting rope and a hoisting tool, wherein the derrick mast jacket is vertically installed at the top of a mast tower through a connecting piece, the derrick mast is rotatably sleeved in the derrick mast jacket, and the top end of the derrick mast jacket extends out of the derrick mast jacket; the derrick mast cantilever beam is horizontally connected with the extending section of the derrick mast, the pulleys are respectively arranged at one end of the derrick mast, which is deviated from the derrick mast, and the top of the derrick mast, the hoisting rope sequentially passes through the inside of the derrick mast jacket along the vertical direction after being wound with the pulleys at two positions, the free end of the hoisting rope is connected with the hoisting tool, and the other end of the hoisting rope is connected with the power assembly.
Preferably, the connecting piece is of a beam truss structure, one end of the connecting piece is mounted on the outer side of the top of the mast tower, and the other end of the connecting piece is connected with the derrick mast outer sleeve; the connecting pieces are arranged on the outer side of the mast tower in sequence along the axial direction of the mast tower.
Preferably, the derrick mast outer sleeve is of a hollow truss structure and comprises a base and a sleeve, the sleeve is coaxially fixed on the base along the vertical direction, and a wire fixing clamping sleeve used for limiting the swinging of the hoisting rope is arranged on the base.
Preferably, the length of the sleeve is smaller than that of the derrick mast.
Preferably, the gin pole stand column comprises a stand column main body and a rotary seat assembly coaxially fixed at the bottom of the inner cavity of the sleeve, the bottom of the stand column main body is rotatably mounted on the rotary seat assembly, the rotary seat assembly is provided with a through hole along the axial direction of the rotary seat assembly, the stand column main body is provided with a rope passing cavity communicated with the through hole and extending along the axial direction of the stand column main body, the side wall of the stand column main body is provided with a rope passing hole, and the rope passing hole is communicated with the rope passing cavity; and one end of the upright post main body, which is close to the top surface of the sleeve, is provided with a limiting flange.
Preferably, the gin pole stand further comprises a thrust bearing installed between the limiting flange of the stand body and the top surface of the sleeve.
Preferably, the rocker arm derrick mast further comprises a reinforcing rod with adjustable length, and two ends of the reinforcing rod are respectively connected with the derrick mast and the derrick cantilever.
Preferably, the lifting appliance comprises a lifting hook connected with the lifting rope and a chain guide hoist detachably connected with the lifting hook.
Preferably, the power assembly is a winch, and the winch is connected with a hoisting rope penetrating through the derrick mast outer sleeve.
In order to achieve the above object, the utility model provides a tower crane, including base, body of the tower and rocking arm gin pole, the base is fixed in ground, the body of the tower install in on the base, the rocking arm gin pole vertical install in the body of the tower top.
The technical scheme of the utility model in, through connecting piece integral erection in mast tower top, easy dismounting after the rocking arm gin pole equipment is good. The large-section heavy tower head is hoisted to the top of the mast tower through the power assembly, the large-section heavy tower head is rotated to the position right above the top of the mast tower through rotating the derrick mast cantilever beam, the tower head is installed in place through loosening the hoisting rope, and the whole installation process is simple in operation, safe and reliable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a cross-sectional view a-a of fig. 1.
Fig. 3 is a schematic structural view of the boom of fig. 1.
Fig. 4 is a sectional view of B-B in fig. 3.
Fig. 5 is a schematic structural view of the column body of fig. 1.
Fig. 6 is a schematic diagram of a preparation stage in hoisting construction.
Fig. 7 is a schematic diagram of a tower head hoisting stage in hoisting construction.
Fig. 8 is a schematic diagram of the tower head turning stage in hoisting construction.
Fig. 9 is a schematic diagram of a tower head installation stage in hoisting construction.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 1 | Derrick |
11 | Column |
| 111 | |
112 | |
| 113 | |
12 | Swivel |
| 121 | Through |
13 | Thrust bearing |
| 2 | Derrick |
3 | Derrick mast |
| 31 | |
32 | |
| 33 | Wire |
4 | |
| 5 | Hoisting rope | 6 | |
| 61 | |
62 | Chain guide hoist |
| 7 | Connecting |
8 | Mast tower |
| 81 | Mast |
811 | |
| 8111 | |
8112 | Reinforcing rib plate |
| 812 | Cross bar | 813 | Diagonal |
| 82 | |
9 | |
| 10 | Heavy tower head with |
20 | Reinforcing bar |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
The utility model provides a heavy tower head of large cross-section hoists and uses rocking arm gin pole.
As shown in fig. 1, the large-section heavy tower head installation and hoisting swing arm derrick mast disclosed in this embodiment includes a derrick mast 1, a derrick cantilever 2, a derrick mast jacket 3, a pulley 4, a hoisting rope 5 and a spreader 6, wherein the derrick mast jacket 3 is vertically installed on the top of a mast tower 8 through a connecting piece 7, the derrick mast 1 is rotatably sleeved in the derrick jacket 3, and the top end of the derrick mast 1 extends out of the derrick jacket 3; the derrick mast cantilever beam 2 is horizontally connected with the extending section of the derrick mast upright 1, the pulleys 4 are respectively arranged at one end of the derrick mast upright 1 deviated from the derrick mast cantilever beam 2 and the top of the derrick mast upright 1, the hoisting rope 5 sequentially penetrates through the derrick mast outer sleeve 3 along the vertical direction after being wound with the pulleys 4 at two positions, the free end of the hoisting rope 5 is connected with the lifting appliance 6, and the other end of the hoisting rope is used for being connected with the power assembly 9.
The technical scheme of the utility model among, through 7 integral erection in 8 tops of mast tower, easy dismounting after the rocking arm gin pole equipment is good. The large-section heavy tower head 10 is hung above the top of the mast tower 8 through the power assembly 9, the large-section heavy tower head 10 is rotated to the position right above the top of the mast tower 8 through rotating the derrick mast cantilever beam 2, the large-section heavy tower head 10 is installed in place through loosening the hoisting rope 5, and the whole installation process is simple to operate, safe and reliable.
Preferably, the mast tower 8 is a combined type, and is formed by sequentially stacking mast tower components 81 and is fixed by a stranded wire 82 stay wire; the cross section of the mast tower assembly 81 is polygonal, and the mast tower assembly comprises a plurality of main rods 811 which are vertically arranged at intervals, and cross rods 812 and inclined rods 813 which are used for connecting the adjacent main rods; the both ends of mobile jib 811 are provided with the boss, the boss seted up the tower head installation with the mounting hole is used in the mobile jib interconnect, the mobile jib is close to the lateral wall of boss is fixed with connecting piece 7.
Further, in the present embodiment, the mast tower assembly 81 includes three main rods 811 vertically spaced apart from each other, and the cross section of the mast tower assembly 81 is a regular triangle.
As shown in fig. 2 and 3, specifically, a connecting plate 8111 is vertically fixed on the side of the main rod 811 close to the boss through the axis of the main rod, three rows of mounting holes penetrating the thickness of the plate are evenly distributed on the connecting plate 8111, and the mounting holes are connected with the connecting piece 7 through bolts; reinforcing rib plates 8112 are symmetrically arranged on two sides of the connecting plate 8111.
Preferably, the connecting piece 7 is of a beam truss structure, one end of the connecting piece is connected with the connecting plate 8111 corresponding to the main rod 811 through a bolt, and the other end of the connecting piece is connected with the derrick mast outer sleeve 3; the number of the connecting pieces 7 is two, and the connecting pieces are arranged on connecting plates 8111 at two ends of the mast tower along the axial direction of the mast tower 8.
As shown in fig. 4, in particular, the connecting member 7 is horizontally installed between two adjacent main rods 811 of the mast tower assembly 81. One of the connecting members 7 is mounted on the two connecting plates 8111 corresponding to the top mast tower component 81, and the other is symmetrically mounted on the mast tower component 81 of the second section from the top in parallel.
As shown in fig. 1, preferably, the derrick mast outer jacket 3 is a hollow truss structure, and includes a base 31 and a sleeve 32, the sleeve 32 is coaxially fixed on the base 31 along the vertical direction, and a wire fixing clip 33 for limiting the swing of the hoisting rope is arranged on the base 31.
Specifically, the derrick mast outer sleeve 3 is a hollow square sleeve, and the bottoms of the sleeve 32 and the base 31 are respectively connected with the connecting pieces 7 arranged up and down through bolts. The length of the sleeve 32 is smaller than that of the derrick mast, so that the derrick mast 1 is ensured to extend out of the top surface of the sleeve 32 after being sleeved.
As shown in fig. 5, preferably, the gin pole column 1 includes a column main body 11 and a rotary seat assembly 12 coaxially fixed to the bottom of the inner cavity of the sleeve, the bottom of the column main body 11 is rotatably mounted on the rotary seat assembly 12, the rotary seat assembly 12 is provided with a through hole 121 along an axial direction thereof, the column main body 11 is provided with a rope passing cavity 111 communicating with the through hole 121 and extending along the axial direction of the column main body 11, a rope passing hole 112 is formed in a side wall of the column main body, and the rope passing hole 112 is communicated with the rope passing cavity 111; and one end of the upright post main body 11, which is close to the top surface of the sleeve 32, is provided with a limiting flange 113. The hoisting rope 5 penetrates through the rope passing cavity 111 of the upright post body 11 and then penetrates out of the rope passing hole 112, so that swinging of the hoisting rope 5 in the construction process is avoided, and construction safety is improved.
As shown in fig. 1, further, the gin pole column 1 further includes a thrust bearing 13 installed between the limiting flange 113 of the column body and the top surface of the sleeve 32. Axial load of the derrick mast 1 in the hoisting process can be borne by the thrust bearing 13, so that the reliability of the rocker derrick mast is improved.
Preferably, the rocker arm derrick mast further comprises a reinforcing rod 20 with adjustable length, and two ends of the reinforcing rod 20 are respectively fixed to the top of the derrick mast 1 and the overhanging end of the derrick cantilever beam 2, so that deformation of the derrick mast 1 and the derrick cantilever beam 2 in the construction process is avoided, and the rigidity and reliability of the rocker arm derrick mast are improved.
Preferably, the hanger 6 comprises a hook 61 connected with the hoisting rope 5 and a chain guide block 62 detachably connected with the hook.
Preferably, the power assembly 9 is a winch, and the winch is connected with the hoisting rope 5 penetrating through the derrick mast outer sleeve 3.
In this embodiment, the hoisting rope 5 and the stranded wire 82 both adopt steel wire ropes.
In order to achieve the above object, the utility model provides a tower crane, including base, body of the tower and rocking arm gin pole, the base is fixed in ground, the body of the tower install in on the base, the rocking arm gin pole vertical install in the body of the tower top.
As shown in fig. 6 to 9, the steps of hoisting the large-section heavy tower head 10 by the swing arm derrick according to this embodiment are as follows:
(1) adjusting the position of a lifting hook of the rocker arm derrick mast, and lifting the large-section heavy tower head to a proper height;
(2) rotating the heavy tower head with the large cross section to the position right above the mast tower by using a chain guide hoist;
(3) and loosening the winch, and slowly descending the large-section heavy tower head and then installing the tower head in place.
The above is only the preferred embodiment of the present invention, not limiting the scope of the present invention, all of which are under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A rocker arm derrick mast for hoisting a large-section heavy tower head is characterized by comprising a derrick mast upright, a derrick mast cantilever beam, a derrick mast jacket, a pulley, a hoisting rope and a hoisting tool, wherein the derrick mast jacket is vertically arranged at the top of a mast tower through a connecting piece, the derrick mast upright is rotatably sleeved in the derrick mast jacket, and the top end of the derrick mast jacket extends out of the derrick mast jacket; the derrick mast cantilever beam is horizontally connected with the extending section of the derrick mast, the pulleys are respectively arranged at one end of the derrick mast, which is deviated from the derrick mast, and the top of the derrick mast, the hoisting rope sequentially passes through the inside of the derrick mast jacket along the vertical direction after being wound with the pulleys at two positions, the free end of the hoisting rope is connected with the hoisting tool, and the other end of the hoisting rope is connected with the power assembly.
2. The swing arm derrick mast for hoisting the large-section heavy tower head as claimed in claim 1, wherein the connecting piece is of a beam truss structure, one end of the connecting piece is installed on the outer side of the top of the mast tower, and the other end of the connecting piece is connected with the derrick mast outer sleeve; the connecting pieces are arranged on the outer side of the mast tower in sequence along the axial direction of the mast tower.
3. The rocker gin pole for hoisting the large-section heavy tower head as claimed in claim 1, wherein the gin pole is sleeved with a hollow truss structure and comprises a base and a sleeve, the sleeve is coaxially fixed on the base along a vertical direction, and a wire fixing clamping sleeve for limiting the hoisting rope to swing is arranged on the base.
4. The swing arm derrick mast for hoisting the large-section heavy tower head as claimed in claim 3, wherein the sleeve is shorter than the derrick mast.
5. The swing arm derrick mast for hoisting the large-section heavy tower head as claimed in claim 3, wherein the derrick mast comprises a mast body and a rotary seat assembly coaxially fixed to the bottom of the inner cavity of the sleeve, the bottom of the mast body is rotatably mounted on the rotary seat assembly, the rotary seat assembly is provided with a through hole along the axial direction of the rotary seat assembly, the mast body is provided with a rope passing cavity communicated with the through hole and extending along the axial direction of the mast body, the side wall of the mast body is provided with a rope passing hole, and the rope passing hole is communicated with the rope passing cavity; and one end of the upright post main body, which is close to the top surface of the sleeve, is provided with a limiting flange.
6. The swing arm derrick mast for hoisting a heavy tower head with a large cross section as claimed in claim 5, wherein the derrick mast further comprises a thrust bearing installed between the stop flange of the mast body and the top surface of the sleeve.
7. The derrick mast for hoisting the large-section heavy tower head as claimed in any one of claims 1 to 6, wherein the derrick mast further comprises a reinforcing rod with adjustable length, and two ends of the reinforcing rod are respectively connected with the derrick mast and the derrick cantilever.
8. The swing arm derrick for hoisting the large-section heavy tower head as claimed in any one of claims 1 to 6, wherein the spreader comprises a lifting hook connected with a hoisting rope and a chain block detachably connected with the lifting hook.
9. The large-section heavy tower head hoisting swing arm derrick as claimed in any one of claims 1 to 6, wherein the power assembly is a winch connected with a hoisting rope passing through an outer casing of the derrick mast.
10. A tower crane, comprising a base, a tower body and a swing arm derrick mast as claimed in any one of claims 1 to 9, wherein the base is fixed to the ground, the tower body is mounted on the base, and the swing arm derrick mast is vertically mounted on the top of the tower body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921441921.6U CN210393512U (en) | 2019-08-30 | 2019-08-30 | Rocker arm derrick mast for hoisting large-section heavy tower head and tower crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921441921.6U CN210393512U (en) | 2019-08-30 | 2019-08-30 | Rocker arm derrick mast for hoisting large-section heavy tower head and tower crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210393512U true CN210393512U (en) | 2020-04-24 |
Family
ID=70340021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921441921.6U Active CN210393512U (en) | 2019-08-30 | 2019-08-30 | Rocker arm derrick mast for hoisting large-section heavy tower head and tower crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210393512U (en) |
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2019
- 2019-08-30 CN CN201921441921.6U patent/CN210393512U/en active Active
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