CN219792284U - Crane jib - Google Patents
Crane jib Download PDFInfo
- Publication number
- CN219792284U CN219792284U CN202222593239.7U CN202222593239U CN219792284U CN 219792284 U CN219792284 U CN 219792284U CN 202222593239 U CN202222593239 U CN 202222593239U CN 219792284 U CN219792284 U CN 219792284U
- Authority
- CN
- China
- Prior art keywords
- connecting plate
- plate
- suspension arm
- supporting
- straight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000008093 supporting effect Effects 0.000 claims abstract description 91
- 239000000725 suspension Substances 0.000 claims abstract description 57
- 210000003027 ear inner Anatomy 0.000 claims description 13
- 102100023170 Nuclear receptor subfamily 1 group D member 1 Human genes 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Jib Cranes (AREA)
Abstract
The utility model provides a suspension arm for a crane, which comprises a suspension arm and a suspension arm root structure used for being connected with the suspension arm, wherein the suspension arm is welded with the suspension arm root structure through a third connecting plate, the suspension arm root structure comprises a connecting inner lug, a straight supporting pipe, a supporting plate, an inclined supporting pipe, a first connecting plate and a second connecting plate, the supporting plate at the root of the suspension arm is connected with the outer parts of the straight supporting pipe and the inclined supporting pipe through the supporting plate at the root of the suspension arm, a connecting inner lug bottom plate is vertically connected with the first connecting plate, two first connecting plates are connected with two second connecting plates end to form a square frame body, four diagonal positions of the square frame body are embedded into gaps of the straight supporting pipe and the inclined supporting pipe to form an embedded type closed connecting structure, so that the suspension arm root structure is firmer and stronger, and meanwhile, the suspension arm and the suspension arm root structure are connected into a whole, thereby the strength of the whole structure is effectively improved, and the lifting performance of the suspension arm is improved.
Description
Technical Field
The utility model relates to the technical field of cranes, in particular to a suspension arm for a crane.
Background
The hoisting machinery is widely applied to industrial and mining enterprises, harbour wharf, station warehouse, building site, ocean development, universe navigation and other industrial parts, the hoisting machinery is developed to the present, the hoisting machinery has become the basis of reasonable organization mass production and mechanized running operation, the hoisting machinery is an important sign of modern production, the hoisting machinery is widely applied to different places of various industries, because the structure of the existing majority hoist boom, especially the connection mode of the root structure of the boom is simple, the structural strength is insufficient, the boom is easy to deform or break when the heavy object is hoisted under the operation of long-time high strength, the bearing capacity and the operation efficiency of the boom are reduced, even the damage to the staff at the bottom is caused during severe time, for example, the Chinese patent application number is CN201920304389.7, the bulletin day is 2020.02.07, the reinforcing structure for the hoist boom is disclosed, the concrete disclosure includes a base, the top fixedly connected with the boom, the cavity is seted up in the inside of support column, the cavity is equipped with the worm, the surface engagement of worm, the surface threaded connection of screw has the internal thread sleeve, the right side of support column is close to middle part is equipped with the worm wheel through groove, the right side of the support column is close to the middle part, the right side is close to the fixed with the fixed connection of the right side of the fixed connection with the sliding rail. The utility model solves the problems that the prior crane is mostly not provided with a boom reinforcing mechanism, so that the boom is easy to deform or break when a counterweight is lifted under the long-time high-strength operation, and the bottom staff is injured. However, this structure only reinforces the boom in the boom structure and does not reinforce the root of the boom, which is very critical for the boom to support, thus requiring reinforcement of the root of the boom. For this purpose, a boom for a crane is proposed.
Disclosure of Invention
The utility model aims to provide a suspension arm for a crane, which enables the root structure of the suspension arm to be firmer and stronger, thereby improving the strength of the whole structure of the suspension arm, improving the lifting performance of the suspension arm and improving the operation efficiency of the suspension arm.
In order to achieve the purpose, the suspension arm for the crane comprises a suspension arm and a suspension arm root structure used for being connected with the suspension arm, wherein the suspension arm is welded with the suspension arm root structure through a third connecting plate, the suspension arm root structure comprises a connecting inner lug, a straight supporting pipe, a supporting plate, an inclined supporting pipe, a first connecting plate and a second connecting plate, the connecting inner lug is embedded in the center of the supporting plate and is connected with the first connecting plate, and the supporting plate is fixedly connected with the outer parts of the straight supporting pipe and the inclined supporting pipe;
the quantity of first connecting plate is more than two, and the quantity of second connecting plate is more than two, first connecting plate with second connecting plate interconnect forms a framework structure, is equipped with the breach on the lateral wall of straight supporting tube and oblique stay tube, and first connecting plate and second connecting plate that is located first connecting plate and second connecting plate junction both sides imbed straight supporting tube or oblique stay tube through the breach in, and first connecting plate and second connecting plate and breach fixed connection that are located first connecting plate and second connecting plate junction both sides.
The device is characterized in that the device is welded, the suspension arm is connected with the root structure of the suspension arm, the inner lug is connected with the center of the support plate in a penetrating manner, the inner lug is connected with the support plate, the center of the support plate is penetrated, the support performance of the root structure of the suspension arm is improved to a certain extent, meanwhile, the first connecting plate and the second connecting plate of the root of the suspension arm are connected with each other, the device is embedded in the straight supporting pipe or the inclined supporting pipe, and the device is connected with the straight supporting pipe and the inclined supporting pipe into a whole, so that an embedded closed connecting structure is formed, the root structure of the suspension arm is stronger, the strength of the suspension arm structure is improved, the bearing capacity of the suspension arm is improved, and the operation efficiency of the suspension arm is improved.
Further, one side surface of the third connecting plate is welded with the bottom ends of the straight supporting pipe, the inclined supporting pipe, the first connecting plate and the second connecting plate of the suspension arm root structure respectively, and the other side surface of the third connecting plate is welded with the supporting column of the suspension arm respectively.
The suspension arm is welded with the suspension arm and the suspension arm root structure through the third connecting plate, so that the suspension arm and the suspension arm root structure are connected into a whole, and the whole suspension arm structure is stronger and firmer.
Further, the connecting inner lugs are arched and are embedded in the center of the supporting plate, are vertically connected with the supporting plate and are embedded and connected with the first connecting plate.
The above arrangement has better supporting capability.
Further, the straight support pipes and the inclined support pipes are cylindrical hollow pipes, the number of the straight support pipes is two, the number of the inclined support pipes is two, the two straight support pipes are located on one side of the support plate, and the two inclined support pipes are located on the other side of the support plate.
The vertical support pipes and the inclined support pipes are cylindrical hollow pipes, and the vertical support pipes and the inclined support pipes are arranged at four corner positions, so that a support structure at four corner positions is formed, and the strength and the bearing capacity of the suspension arm structure are improved to a certain extent.
Further, the bottom plate of the connecting inner ear is connected with the supporting plate and is connected with the first connecting plate.
The arrangement increases the connection reliability of the first connecting plate.
Further, the number of the bottom plates for connecting the inner lugs is four, the two bottom plates for connecting the inner lugs on one side of the straight supporting tube are arranged in parallel and are vertically connected with a first connecting plate, and the two bottom plates for connecting the inner lugs on one side of the inclined supporting tube are arranged in parallel and are vertically connected with another first connecting plate.
The two first connecting plates are connected with the two connecting inner ear bottom plates respectively through the two opposite connecting plates, so that the connection between the first connecting plates and the supporting plates is more reliable.
Further, the straight support pipe and the inclined support pipe are cylindrical hollow pipes with the same cross-sectional area.
By the arrangement, the supporting effect of the straight supporting pipe and the inclined supporting pipe is ensured to be more reliable by arranging the same cross section area.
Further, the arc length corresponding to the notch is one fourth of the circumferences of the straight support tube and the inclined support tube.
Above setting, set up the breach into the quarter area that occupies cylindrical hollow tube to make also make the connection structure that forms an organic whole between straight support pipe and oblique stay tube and first connecting plate and the second connecting plate when guaranteeing the supporting characteristic of straight support pipe and oblique stay tube, further ensure stability and the reliability of support.
Further, the number of the first connecting plates is two, the number of the second connecting plates is two, the two first connecting plates are arranged in parallel, the two second connecting plates are arranged in parallel, the two first connecting plates are connected with the two second connecting plates end to form a square frame body, and four diagonal positions of the square frame body are embedded into gaps of the straight supporting pipe and the inclined supporting pipe.
Above setting, through setting up four right angle positions in breach department for the junction produces the stability of connection is ensured through cylindrical hollow tube to the position that warp easily.
Further, the thickness of the first connecting plate is larger than that of the second connecting plate.
In the above arrangement, since the first connection plate is mainly connected with the same straight support pipe or inclined support pipe, and one side of the same type of support pipe is used as the main support pipe, a larger support force is generated to ensure that two support pipes of the same type can be stably connected.
Drawings
FIG. 1 is an overall front view of a boom root structure of the present utility model.
FIG. 2 is a cross-sectional view of a boom root section structure G-G according to the present utility model.
Fig. 3 is an overall side view of the boom root structure of the present utility model.
Fig. 4 is a perspective view of the structure of fig. 2.
Fig. 5 is a perspective view of the boom of the present utility model.
Fig. 6 is a partial enlarged view of the utility model at a.
Figure 7 is a schematic view of the connection of the inner ear and the support plate portion of the present utility model.
Reference numerals: 1. connecting the inner ear; 2. a straight support tube; 3. a diagonal support tube; 4. a first connection plate; 5. a second connecting plate; 6. connecting the inner ear bottom plate; 7. a support plate; 8. a suspension arm; 9. and a third connecting plate.
Detailed Description
Examples of the present utility model will be described in further detail below with reference to the drawings and detailed description.
As shown in fig. 1-6, the embodiment of the utility model provides a crane boom, which comprises a boom and a boom root structure for being connected with the boom, wherein the boom root structure comprises a connecting inner ear 1, a straight supporting pipe 2, a supporting plate 7, an inclined supporting pipe 3, a first connecting plate 4 and a second connecting plate 5, the supporting plate 7 is fixedly connected with the outer parts of the straight supporting pipe 2 and the inclined supporting pipe 3, the connecting inner ear 1 which is arranged in an arch shape penetrates through the center of the supporting plate 7 and is vertically connected with the supporting plate 7, two connecting inner ear bottom plates 6 on one side of the straight supporting pipe 2 are arranged in parallel and are vertically and thoroughly connected with one first connecting plate 4, and two connecting inner ear bottom plates 6 on one side of the inclined supporting pipe 3 are arranged in parallel and are vertically and thoroughly connected with the other first connecting plate 4; in this embodiment, as shown in fig. 4, the straight supporting tube 2 and the inclined supporting tube 3 are cylindrical hollow tubes with equal cross-sectional areas, the two straight supporting tubes 2 are located at one side of the supporting plate 7, the two inclined supporting tubes 3 are located at the other side of the supporting plate 7, a notch is formed on one side wall of the straight supporting tube 2 and one side wall of the inclined supporting tube 3, the first connecting plate 4 and the second connecting plate 5 located at two sides of the joint of the first connecting plate 4 and the second connecting plate 5 are embedded into the straight supporting tube 2 or the inclined supporting tube 3 through the notch, the first connecting plate 4 and the second connecting plate 5 located at two sides of the joint of the first connecting plate 4 and the second connecting plate 5 are fixedly connected with the notch, the two first connecting plates 4 are arranged in parallel, the two second connecting plates 5 are connected end to form a square frame, and four diagonal positions of the square frame are embedded into the notch of the straight supporting tube 2 and the inclined supporting tube 3, so that the joint is easy to deform, the joint is ensured to ensure the stability of the joint, the supporting effect of the straight supporting tube and the inclined supporting tube is ensured, and the reliability of the supporting effect is ensured; in this embodiment, as shown in fig. 2, the arc length corresponding to the notch is one fourth of the circumference of the straight support tube 2 and the inclined support tube 3, so that the support characteristics of the straight support tube 2 and the inclined support tube 3 are ensured, and meanwhile, an integrated connection structure is formed between the straight support tube 2 and the inclined support tube 3 and the first connection plate 4 and the second connection plate 5, the thickness of the first connection plate 4 is greater than that of the second connection plate 5, and a larger support force is generated to ensure that two support tubes of the same type can be stably connected; in this embodiment, as shown in fig. 6, one side of the third connecting plate 9 is welded with the bottom ends of the straight supporting tube 2, the inclined supporting tube 3, the first connecting plate 4 and the second connecting plate 5 of the boom root structure respectively, the supporting columns of the boom are correspondingly welded on the other side of the third connecting plate 9 respectively, and the third connecting plate 9 is welded with the boom and the boom root structure respectively, so that the boom and the boom root structure are connected into a whole, the whole structure of the boom is firmer and firmer, and the strength of the whole structure of the boom is improved.
The supporting plate 7 passing through the root of the suspension arm is connected with the outside of the straight supporting pipe 2 and the inclined supporting pipe 3, the connecting inner ear bottom plate 6 is vertically connected with the first connecting plates 4, the two first connecting plates 4 are connected with the two second connecting plates 5 end to form a square frame body, four diagonal positions of the square frame body are embedded into the gaps of the straight supporting pipe 2 and the inclined supporting pipe 3 to form an embedded closed connecting structure, the root structure of the suspension arm is firmer and firmer, and the third connecting plates 9 are respectively welded with the root structure of the suspension arm and the root structure of the suspension arm, so that the root structure of the suspension arm and the root structure of the suspension arm are connected into a whole, the strength of the whole structure of the suspension arm is effectively improved, and the lifting performance of the suspension arm is improved.
Claims (10)
1. The utility model provides a davit for hoist, includes davit and is used for the davit root structure that links to each other with the davit, its characterized in that: the suspension arm is welded with the suspension arm root structure through a third connecting plate, the suspension arm root structure comprises a connecting inner ear, a straight supporting tube, a supporting plate, an inclined supporting tube, a first connecting plate and a second connecting plate, the connecting inner ear is embedded in the center of the supporting plate to be connected with the first connecting plate, and the supporting plate is fixedly connected with the outer parts of the straight supporting tube and the inclined supporting tube;
the quantity of first connecting plate is more than two, and the quantity of second connecting plate is more than two, first connecting plate with second connecting plate interconnect forms a framework structure, is equipped with the breach on the lateral wall of straight supporting tube and oblique stay tube, and first connecting plate and second connecting plate that is located first connecting plate and second connecting plate junction both sides imbed straight supporting tube or oblique stay tube through the breach in, and first connecting plate and second connecting plate and breach fixed connection that are located first connecting plate and second connecting plate junction both sides.
2. A boom for a crane according to claim 1, characterized in that: one side surface of the third connecting plate is welded with the bottom ends of the straight supporting pipe, the inclined supporting pipe, the first connecting plate and the second connecting plate of the suspension arm root structure respectively, and the other side surface of the third connecting plate is welded with the supporting column of the suspension arm respectively.
3. A boom for a crane according to claim 1, characterized in that: the connecting inner lugs are arched and are embedded in the center of the supporting plate and are vertically connected with the supporting plate, and the connecting inner lugs are embedded and connected with the first connecting plate.
4. A boom for a crane according to claim 1, characterized in that: the straight support pipes and the inclined support pipes are cylindrical hollow pipes, the number of the straight support pipes is two, the number of the inclined support pipes is two, the two straight support pipes are positioned on one side of the support plate, and the two inclined support pipes are positioned on the other side of the support plate.
5. A boom for a crane according to claim 1, characterized in that: the bottom plate of the connecting inner ear is connected with the supporting plate and is connected with the first connecting plate.
6. The boom for a crane according to claim 4, wherein: the number of the bottom plate bottom posts of the connecting inner lugs is four, the two bottom plate bottom posts of the connecting inner lugs on one side of the straight supporting tube are arranged in parallel and are vertically connected with a first beam connecting plate, and the two bottom plate bottom posts of the connecting inner lugs on one side of the inclined supporting tube are arranged in parallel and are vertically connected with another first beam connecting plate.
7. A boom for a crane according to claim 3, characterized in that: the straight support pipe and the inclined support pipe are cylindrical hollow pipes with the same cross-sectional area.
8. The boom for a crane according to claim 6, wherein: the arc length corresponding to the notch is one quarter of the circumferences of the straight support tube and the inclined support tube.
9. A boom for a crane according to claim 1, characterized in that: the number of the first connecting plates is two, the number of the second connecting plates is two, the two first connecting plates are arranged in parallel, the two second connecting plates are arranged in parallel, the two first connecting plates and the two second connecting beams are connected end to form a square frame body, and four diagonal positions of the square frame body are embedded into gaps of the straight supporting pipe and the inclined supporting pipe.
10. A boom for a crane according to claim 1, characterized in that: the width and the thickness of the first connecting plate are larger than those of the second connecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222593239.7U CN219792284U (en) | 2022-09-29 | 2022-09-29 | Crane jib |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222593239.7U CN219792284U (en) | 2022-09-29 | 2022-09-29 | Crane jib |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219792284U true CN219792284U (en) | 2023-10-03 |
Family
ID=88175712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222593239.7U Active CN219792284U (en) | 2022-09-29 | 2022-09-29 | Crane jib |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219792284U (en) |
-
2022
- 2022-09-29 CN CN202222593239.7U patent/CN219792284U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102661054B (en) | Lateral reinforcing structure in whole lifting of plane steel truss and whole lifting method | |
| CN202379602U (en) | Steel tube concrete crane truss | |
| CN205312931U (en) | Modular cantilever crane and hoisting equipment | |
| CN219792284U (en) | Crane jib | |
| CN219670000U (en) | Suspension arm structure | |
| CN112591599B (en) | Anti-fatigue prestressed variable-section steel crane beam and manufacturing method thereof | |
| CN212050135U (en) | Hoisting carrying pole for hoisting prefabricated PC (polycarbonate) component | |
| CN214870505U (en) | Stacking frame for placing vertical prefabricated components | |
| CN212082851U (en) | Vertical static load test structure of bridge floor crane | |
| CN203393721U (en) | Inner support main purlin component | |
| CN218809809U (en) | Bridge prefabricated part steel reinforcement cage lifting appliance capable of realizing multi-point combined lifting | |
| CN221321951U (en) | Node reinforcing connection structure of power transmission tower | |
| CN218664946U (en) | Multi-lifting-point universal lifting appliance suitable for lifting steel box girder | |
| CN219489341U (en) | Segment beam reinforcement cage lifting appliance | |
| CN214087285U (en) | Light lifting appliance for hoisting lattice beam cable of arch bridge | |
| CN212292587U (en) | Tower body standard joint of tower crane | |
| CN218861925U (en) | Steel bar connecting piece and connecting structure of concrete joint | |
| CN216516322U (en) | Flat steel plate-steel pipe concrete combined shear wall | |
| CN202466428U (en) | Hoisting structure for hoisting prefabricated box girder segment | |
| CN216810947U (en) | Pier stud connects high light modularization equipment template under confined space | |
| CN218758722U (en) | Steel pipe concrete column and reinforced concrete beam combined structure | |
| CN219058257U (en) | Hoisting tool for hoisting prefabricated box girder templates | |
| CN214495521U (en) | Novel steel beam conversion device for tower crane foundation | |
| CN219567269U (en) | Heavy pile foundation steel reinforcement cage hoist device | |
| CN214169668U (en) | Assembly type green light sandwich reinforced concrete column corner reinforcing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |