CN203319585U - Swing arm tower crane and propeller strut thereof - Google Patents
Swing arm tower crane and propeller strut thereof Download PDFInfo
- Publication number
- CN203319585U CN203319585U CN2013203960333U CN201320396033U CN203319585U CN 203319585 U CN203319585 U CN 203319585U CN 2013203960333 U CN2013203960333 U CN 2013203960333U CN 201320396033 U CN201320396033 U CN 201320396033U CN 203319585 U CN203319585 U CN 203319585U
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- Prior art keywords
- front strut
- rear pole
- pipe link
- shears
- connector
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- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 10
- 230000002452 interceptive effect Effects 0.000 abstract 1
- 210000002105 tongue Anatomy 0.000 description 19
- 238000009434 installation Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a swing arm tower machine and propeller strut thereof. This propeller strut of swing arm tower machine includes preceding vaulting pole (21), with preceding vaulting pole (21) articulated back vaulting pole (22) and be connected connecting rod (23) between preceding vaulting pole (21) and back vaulting pole (22), the first end of connecting rod (23) is connected on preceding vaulting pole (21), and the distance of the first end of connecting rod (23) to the hinged end of preceding vaulting pole (21) is less than the distance to the other end of preceding vaulting pole (21), the second end of connecting rod (23) is connected on back vaulting pole (22), and the distance of the second end of connecting rod (23) to the hinged end of back vaulting pole (22) is less than the distance to the other end of back vaulting pole (22). The utility model discloses a propeller strut connecting rod lower part space is great, is difficult for interfering with other mechanisms, guarantees swing arm tower machine operation safety, convenient hoist and mount moreover.
Description
Technical field
The utility model relates to the lifting machine field, in particular to a kind of movable arm tower crane and Shears thereof.
Background technology
Shears is the important structure part of movable arm tower crane, and its structural shape is to receive strength rationality and hoist, the luffing mechanism installing space has material impact, and its installation, removal efficiency are also important factor in order.
As shown in Figure 1, existing Shears is comprised of front strut 21 ', rear pole 22 ', hound 23 ' usually, and this is a kind of hyperstatic structure, although Stability Analysis of Structures, the hound lower space is narrow and small, and easy and mechanism interferes.
The utility model content
The utility model aims to provide a kind of movable arm tower crane and Shears thereof, narrow and small with the Shears structure diagonal strut lower space that solves movable arm tower crane in prior art, easily with the problem of mechanism's interference.
To achieve these goals, according to an aspect of the present utility model, a kind of Shears of movable arm tower crane is provided, this Shears comprise front strut, and the hinged rear pole of front strut and be connected to front strut and rear pole between pipe link, the first end of pipe link is connected on front strut, and the first end of pipe link is less than the distance of the other end of front strut to the distance of the pin jointed end of front strut, the second end of pipe link is connected on rear pole, and the second end of pipe link is less than the distance of the other end of rear pole to the distance of the pin jointed end of rear pole.
Further, the angle between front strut and rear pole is regulated by pipe link.
Further, pipe link is perpendicular to the rear pole setting.
Further, an end of pipe link and front strut or rear pole are hinged.
Further, the two ends of pipe link are hinged with front strut and rear pole respectively.
Further, pipe link is connected with the rear pole bearing pin with front strut respectively.
Further, pipe link comprises the body of rod, be arranged on the first connector of body of rod first end and be arranged on the second connector of the body of rod the second end, and the first connector is connected with rear pole, and the second connector is connected with front strut.
Further, be fixedly installed two the first connecting panels on rear pole, two the first connecting panels are spaced, and on each first connecting panel, correspondence is provided with the first pin shaft hole; The first connector is fixedly installed on the first end of the body of rod, and the first connector comprises the first connection tongue, and first connects tongue stretches between two the first connecting panels, and is connected with two the first connecting panels by the first bearing pin.
Further, be fixedly installed two the second connecting panels on front strut, two the second connecting panels are spaced, and are provided with the second pin shaft hole on each second connecting panel; The second connector is fixedly installed on the second end of the body of rod, and the second connector comprises the second connection tongue, and second connects tongue is provided with the second through hole coordinated with the second pin shaft hole, and second connects tongue stretches between two the second connecting panels, and fixes by the second bearing pin.
Further, the second through hole is slotted hole or the waist shaped hole along the length direction extension of the body of rod.
According on the other hand of the present utility model, a kind of movable arm tower crane is provided, comprise Shears, Shears is above-mentioned Shears.
The application the technical solution of the utility model, the Shears of movable arm tower crane comprise front strut, and the hinged rear pole of front strut and be connected to front strut and rear pole between pipe link, the first end of pipe link is connected on front strut, and the first end of pipe link is less than the distance of the other end of front strut to the distance of the pin jointed end of front strut, the second end of pipe link is connected on rear pole, and the second end of pipe link is less than the distance of the other end of rear pole to the distance of the pin jointed end of rear pole.Be connected to the pin jointed end of front strut by the first end by pipe link, the second end is connected to the pin jointed end of rear pole, can enlarge front strut and be connected the space of equilibrium arm one end with rear pole, increase the installing space of other mechanism, to avoid Shears and other mechanism to interfere, guarantee the movable arm tower crane safe in operation, and convenient lifting.
The accompanying drawing explanation
The accompanying drawing that forms a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of existing Shears;
Fig. 2 shows the structural representation according to the Shears of the movable arm tower crane of embodiment of the present utility model;
Fig. 3 shows A according to the Shears of Fig. 2 to view;
Fig. 4 shows B according to the Shears of Fig. 2 to view;
Fig. 5 shows the I place enlarged drawing according to the Shears of Fig. 2;
Fig. 6 shows C-C according to the Shears of Fig. 5 to cutaway view;
Fig. 7 shows the structural representation according to the pipe link of the Shears of Fig. 2; And
Fig. 8 shows the scheme of installation according to the Shears of Fig. 2.
Description of reference numerals: 21, front strut; 211, the second connecting panel; 22, rear pole; 221, the first connecting panel; 23, pipe link; 231, the first end plate; 232, first connects tongue; 233, the first through hole; 234, the second end plate; 235, second connects tongue; 236, the second through hole.
The specific embodiment
Hereinafter with reference to accompanying drawing, also describe the utility model in detail in conjunction with the embodiments.It should be noted that, in the situation that do not conflict, embodiment and the feature in embodiment in the application can combine mutually.
As shown in Fig. 2 to 8, according to embodiment of the present utility model, the Shears of movable arm tower crane comprise front strut 21, and the hinged rear pole 22 of front strut 21 and be connected to front strut 21 and rear pole 22 between pipe link 23, the first end of pipe link 23 is connected on front strut 21, and the first end of pipe link 23 is less than the distance of the other end of front strut 21 to the distance of the pin jointed end of front strut 21, the second end of pipe link 23 is connected on rear pole 22, and the second end of pipe link 23 is less than the distance of the other end of rear pole 22 to the distance of the pin jointed end of rear pole 22.Be connected to the pin jointed end of front strut 21 by the first end by pipe link 23, the second end is connected to the pin jointed end of rear pole 22, can enlarge front strut 21 and be connected the space of equilibrium arm one end with rear pole 22, increase the installing space of other mechanism, to avoid Shears and other mechanism to interfere, guarantee the movable arm tower crane safe in operation, and convenient lifting.
In conjunction with referring to shown in Fig. 3 and 4, front strut 21 is whole slice structure, and front strut 21 structural stabilities of this kind of structure are good.Rear pole 22 is also whole slice structure, and the first end of rear pole 22 is connected by bearing pin with the first end of front strut 21, and the second end of rear pole 22 is connected with equilibrium arm by bearing pin respectively with the second end of front strut 21.
In conjunction with shown in Figure 5, pipe link 23 is connected between front strut 21 and rear pole 22.Preferably, pipe link 23 arranges perpendicular to rear pole 22, so that the structure of Shears is more stable, and convenient lifting.In the present embodiment, the size of the angle between front strut 21 and rear pole 22 can be regulated by pipe link 23.Can regulate as required the angle between front strut 21 and rear pole 22 like this, be convenient to install Shears, make to form statically determimate structure between front strut 21, rear pole 22 and equilibrium arm simultaneously, make the more reasonable stress of Shears.
The two ends of pipe link 23 are hinged with front strut 21 and rear pole 22 respectively.In the present embodiment, pipe link 23 is connected with rear pole 22 bearing pins with front strut 21 respectively, and bearing pin connection and convenient disassembly, can improve the Shears assembling speed.In other embodiments, pipe link 23 also can an end and front strut 21 or rear pole 22 hinged, the other end is fixedly connected with front strut 21 or rear pole 22.Wherein, the mode be fixedly connected with can be welding, can be also that bolt connects.
In conjunction with referring to shown in Fig. 6 and 7, pipe link 23 comprises the body of rod, be arranged on the first connector of body of rod first end and be arranged on the second connector of the body of rod the second end, and the first connector is connected with rear pole 22, and the second connector is connected with front strut 21.
Preferably, in the present embodiment, the body of rod of pipe link 23 is hollow tube, the weight of hollow tube is lighter, but structural rigidity is fine, can either be supported on rigidity and the structural stability of bondsman's cabinet frame between front strut 21 and rear pole 22, can reduce again the weight of Shears, reduce the burden of assembling and transportation.
The first connector is fixedly installed on the first end of the body of rod, is connected tongue 232, the first connection tongues 232 first on the first connector comprises the first end plate 231 and is fixedly installed on the first end plate 231 and is connected by bearing pin with rear pole 22.Be fixedly installed two the first connecting panels 221 on rear pole 22, two the first connecting panels 221 are spaced, and on each first connecting panel 221, correspondence is provided with the first pin shaft hole, be provided with first through hole 233 corresponding with the first pin shaft hole on the first connection tongue 232, first connects tongue 232 stretches between two the first connecting panels 221, and bearing pin is connected the first connection tongue 232 with the first through hole 233 through the first pin shaft hole with rear pole 22.This kind of set-up mode not only is easy for installation and removal, and can guarantee the structural strength at pipe link 23 and rear pole 22 connection location places simultaneously, and then guarantee that whole Shears has very high structural strength.
The second connector is fixedly installed on the second end of the body of rod, is connected tongue 235, the second connection tongues 235 second on the second connector comprises the second end plate 234 and is fixedly installed on the second end plate 234 and is connected by bearing pin with front strut 21.Be fixedly installed two the second connecting panels 211 on front strut 21, two the second connecting panels 211 are spaced, and be provided with the second pin shaft hole on each second connecting panel 211, second connects tongue 235 is provided with the second through hole 236 coordinated with the second pin shaft hole, second connects tongue 235 stretches between two the second connecting panels 211, and bearing pin is connected the second connection tongue 235 with the second through hole 236 through the second pin shaft hole with front strut 21.
The first connection tongue 232 is connected tongue 235 with second and also can be set directly at the two ends of the body of rod, without the first end plate 231 and the second end plate 234 are set.
Preferably, the second through hole 236 is slotted hole or the waist shaped hole along the length direction extension of the body of rod, can make pipe link not affect the force structure of front and back strut, guarantee that front strut 21, rear pole 22 and equilibrium arm form statically determimate structure, make the more reasonable stress of Shears, during work, the stability of structure and reliability are higher.
In conjunction with shown in Figure 8, when the tower machine is installed, first front strut 21 is connected with rear pole 22 use bearing pins, the opened with certain angle of again front strut 21 being sling, be connected to pipe link 23 between front strut 21 and rear pole 22 by bearing pin, at the integral hoisting Shears, is installed to the equilibrium arm relevant position, the bearing pin that front strut 21 is connected with hinge-point before equilibrium arm first is installed, rotate again rear pole 22 to hinge-point after equilibrium arm, bearing pin is installed, so far install.During work, the second through hole 236 of pipe link 23 is connected with front strut 21 bearing pins, and pipe link 23 does not affect the force structure of front strut 21 and rear pole 22.During dismounting, Shears integral hoisting dismounting, land stable.
According to embodiment of the present utility model, movable arm tower crane comprises Shears, and this Shears is above-mentioned Shears.
From above description, can find out, the utility model the above embodiments have realized following technique effect: Shears comprise front strut, and the hinged rear pole of front strut and be connected to front strut and rear pole between pipe link, the first end of pipe link is connected on front strut, and the first end of pipe link is less than the distance of the other end of front strut to the distance of the pin jointed end of front strut, the second end of pipe link is connected on rear pole, and the second end of pipe link is less than the distance of the other end of rear pole to the distance of the pin jointed end of rear pole.Be connected to the pin jointed end of front strut by the first end by pipe link, the second end is connected to the pin jointed end of rear pole, can enlarge front strut and be connected the space of equilibrium arm one end with rear pole, increase the installing space of other mechanism, to avoid Shears and other mechanism to interfere, guarantee the movable arm tower crane safe in operation, and convenient lifting.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (11)
1. the Shears of a movable arm tower crane, it is characterized in that, comprise front strut (21), and the rear pole (22) that described front strut (21) is hinged and be connected to described front strut (21) and described rear pole (22) between pipe link (23), the first end of described pipe link (23) is connected on described front strut (21), and the first end of described pipe link (23) is less than the distance of the other end of described front strut (21) to the distance of the pin jointed end of described front strut (21), the second end of described pipe link (23) is connected on described rear pole (22), and the second end of described pipe link (23) is less than the distance of the other end of described rear pole (22) to the distance of the pin jointed end of described rear pole (22).
2. Shears according to claim 1, is characterized in that, the angle between described front strut (21) and described rear pole (22) is regulated by described pipe link (23).
3. Shears according to claim 2, is characterized in that, described pipe link (23) arranges perpendicular to described rear pole (22).
4. Shears according to claim 2, is characterized in that, an end of described pipe link (23) and described front strut (21) or described rear pole (22) are hinged.
5. Shears according to claim 2, is characterized in that, the two ends of described pipe link (23) are hinged with described front strut (21) and described rear pole (22) respectively.
6. Shears according to claim 5, is characterized in that, described pipe link (23) is connected with described rear pole (22) bearing pin with described front strut (21) respectively.
7. according to the described Shears of any one in claim 2 to 6, it is characterized in that, described pipe link (23) comprises the body of rod, be arranged on the first connector of described body of rod first end and be arranged on the second connector of the described body of rod the second end, described the first connector is connected with described rear pole (22), and described the second connector is connected with described front strut (21).
8. Shears according to claim 7, is characterized in that,
Be fixedly installed two the first connecting panels (221) on described rear pole (22), two described the first connecting panels (221) are spaced, and the upper correspondence of each described first connecting panel (221) is provided with the first pin shaft hole;
Described the first connector is fixedly installed on the first end of the described body of rod, described the first connector comprises the first connection tongue (232), described first connects tongue (232) stretches between two described the first connecting panels (221), and is connected with two described the first connecting panels (221) by the first bearing pin.
9. Shears according to claim 7, is characterized in that,
Be fixedly installed two the second connecting panels (211) on described front strut (21), two described the second connecting panels (211) are spaced, and are provided with the second pin shaft hole on each described second connecting panel (211);
Described the second connector is fixedly installed on the second end of the described body of rod, described the second connector comprises the second connection tongue (235), described second connects tongue (235) is provided with the second through hole (236) coordinated with described the second pin shaft hole, described second connects tongue (235) stretches between two described the second connecting panels (211), and fixes by the second bearing pin.
10. Shears according to claim 9, is characterized in that, described the second through hole (236) is slotted hole or the waist shaped hole along the length direction extension of the described body of rod.
11. a movable arm tower crane, comprise Shears, it is characterized in that, described Shears is the described Shears of any one in claim 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203960333U CN203319585U (en) | 2013-07-04 | 2013-07-04 | Swing arm tower crane and propeller strut thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203960333U CN203319585U (en) | 2013-07-04 | 2013-07-04 | Swing arm tower crane and propeller strut thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203319585U true CN203319585U (en) | 2013-12-04 |
Family
ID=49658954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203960333U Expired - Fee Related CN203319585U (en) | 2013-07-04 | 2013-07-04 | Swing arm tower crane and propeller strut thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203319585U (en) |
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2013
- 2013-07-04 CN CN2013203960333U patent/CN203319585U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20160704 |