CN220642350U - Adjustable pulling plate fixing device and crane - Google Patents
Adjustable pulling plate fixing device and crane Download PDFInfo
- Publication number
- CN220642350U CN220642350U CN202321956797.3U CN202321956797U CN220642350U CN 220642350 U CN220642350 U CN 220642350U CN 202321956797 U CN202321956797 U CN 202321956797U CN 220642350 U CN220642350 U CN 220642350U
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- plate
- hole
- bracket guide
- pulling plate
- fixing
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- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
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Abstract
The utility model discloses an adjustable pulling plate fixing device which comprises a bracket guide rail and a fixing frame, wherein the bracket guide rail is U-shaped and comprises a transverse plate, a first side plate and a third side plate, the first side plate and the third side plate are respectively and vertically connected to two sides of the transverse plate, a plurality of strip-shaped holes are formed in the transverse plate at equal intervals, the fixing frame comprises a first lower foot, a second lower foot and a balance beam, the first lower foot and the second lower foot are respectively and vertically connected to two sides of the balance beam, the first lower foot and the second lower foot are respectively arranged in the strip-shaped holes, a plurality of strip-shaped holes are formed in the bracket guide rail at equal intervals along the adjustment direction of the span of an amplitude-variable pulling plate, different strip-shaped holes can be selected to be matched with the fixing frame according to different spans of the amplitude-variable-amplitude pulling plate, and the matching of different amplitude-variable-amplitude pulling plates is realized, and the adaptability is higher.
Description
Technical Field
The utility model relates to an adjustable pulling plate fixing device and a crane, and belongs to the technical field of engineering machinery.
Background
Conventional truss-boom crane luffing mechanisms often adopt a structural form of a pulling plate, and when the pulling plate is tiled on a boom, a bracket is required to support and fix. Different arm support main structures are caused by the fact that different arm support distances are matched with different arm support brackets, and the universality of the arm support is seriously affected. And because the widths of the pull plates are different, the heights of the pull plate brackets are different, so that the actual height of the arm support is increased, and the challenge is brought to the requirement of transporting the height. Meanwhile, the traditional pulling plate bracket is influenced by the width, the height and the installation position of the pulling plate, and the customized design is needed, so that the universality of the arm support is further damaged. And the traditional pulling plate bracket is of a vertical structure, and when the arm support shakes, interference with a lifting steel wire rope is easy to occur.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model aims to provide an adjustable pulling plate fixing device and a crane, which solve the problem of low suitability of a pulling plate bracket in the prior art.
In order to achieve the above object, the present utility model adopts the following technical scheme:
an adjustable pulling plate fixing device comprises a bracket guide rail and a fixing frame,
the bracket guide rail is U-shaped and comprises a transverse plate, a first side plate and a third side plate, wherein the first side plate and the third side plate are respectively and vertically connected to two sides of the transverse plate, and a plurality of strip-shaped holes are formed in the transverse plate at equal intervals;
the mount includes first foot, second foot and balanced roof beam, and first foot, second foot are connected in balanced roof beam both sides perpendicularly respectively, and first foot, second foot all set up in the bar hole.
Further, the aforesaid also comprises a fixing pin and a fixing clip,
the first lower foot lower part is equipped with first hole, and second lower foot lower part is equipped with the second hole, and first hole and the coaxial setting in second hole, the fixed pin wears to establish in first hole, second hole, and the wearing out end of fixed pin is connected with the fixing clip.
Further, the first lower leg, the second lower leg and the strip-shaped hole are in clearance fit.
A crane, comprising a boom, a pulling plate and an adjustable pulling plate fixing device of any one of the above,
the arm support comprises chord members and web members, the chord members are arranged in parallel, the web members are connected between the chord members,
the bracket guide rails are symmetrically arranged along the chord members and are respectively and fixedly connected to the web members, the distance between the bracket guide rails is matched with the length of the pull plate, the arrangement direction of the strip-shaped holes on the bracket guide rails is consistent with the span adjustment direction of the pull plate, the two ends of the pull plate are respectively erected on the symmetrically arranged bracket guide rails, the lower end face of the pull plate is contacted with the upper plane of the bracket guide rails, and the upper end face of the pull plate is contacted with the Heng Liangxia plane.
Further, the upper plane of the bracket guide rail is flush with the upper plane of the arm support.
Further, the pull plate is further provided with a clamping plate, the clamping plate is provided with a threaded hole, the fixing frame further comprises a lantern ring, the lantern ring is fixedly connected to the front side of the balance beam, the lantern ring is further provided with a hollow ring, the upper plane of the clamping plate is in contact with the lower plane of the lantern ring, the clamping plate is connected with the lantern ring through a fixing bolt, and the fixing bolt is sleeved into the hollow ring and locked in the threaded hole of the clamping plate.
The utility model has the beneficial effects that:
1. a plurality of strip-shaped holes are formed in the bracket guide rail at equal intervals along the span adjustment direction of the variable-amplitude pulling plate, different strip-shaped holes can be selected to be matched with the fixing frame according to different spans of the variable-amplitude pulling plate, so that different spans of the variable-amplitude pulling plate can be matched, and the adaptability is higher;
2. the pull plate bracket guide rail is fixed on the arm support and is flush with the arm support, so that interference between the pull plate and other structures on the arm support is avoided, the height of the whole bracket guide rail is as low as possible, and the problem that the transportation and sleeving of the arm support are affected by the height of the bracket guide rail is solved.
3. The lantern ring is arranged on the fixing frame, and the lantern ring is matched with the clamping plates and the fixing bolts of the double pull plates, so that the pull plates can be effectively fixed, and the pull plates are prevented from moving on the arm support in a stringing way;
4. the bracket guide rail is built on the arm support web member, and is not influenced by the diameter of the arm support web member, the width, the height and the assembly position of the pull plate, so that the bracket guide rail can be used as a standard component, and the universality of the arm support is further improved;
5. when the crane is in a working state, the fixing frame can be sunk on the fixing frame, the whole structure of the bracket guide rail presents a smooth plane structure, and the problem of collision between the shaking of the lifting steel wire rope and the bracket guide rail caused by shaking of the whole crane can be effectively avoided.
Drawings
FIG. 1 is a block diagram of an adjustable tie plate securing apparatus of the present utility model;
FIG. 2 is a schematic view of a carriage rail of the present utility model;
FIG. 3 is a schematic view of a holder according to the present utility model;
FIG. 4 is a schematic view of the carriage rail installation of the present utility model;
FIG. 5 is a drawing showing the attachment of the pulling plate of the present utility model;
fig. 6 is a schematic view of the fixing frame of the present utility model alone.
Meaning of reference numerals in the drawings: 1-a carriage rail; 2-fixing frames; 3-fixing pins; 4-arm support; 5-fixing the card; 6-double pulling plates; 11-a cross plate; 12-a first side panel; 13-a second side plate; 14-bar-shaped holes; 21-a first lower foot; 22-a second leg; 23-balance beam; 24-collar; 25-a first hole; 26-a second hole; 27-a hollow ring; 41-chords; 42-web members; 61-clamping plates; 62-clamping plate fixing bolts.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1
The embodiment discloses an adjustable pulling plate fixing device, which comprises a bracket guide rail 1, a fixing frame 2, a fixing pin 3 and a fixing clip 5 as shown in fig. 1. The fixing frame 2 can move on the bracket guide rail 1 to realize the matching with the span of the amplitude-variable pulling plate, and is fixed on the bracket guide rail 1 through the fixing pin 3 and the fixing clip 5.
The bracket guide rail 1 is a U-shaped plate, is integrally bent and formed, and comprises a transverse plate 11, a first side plate 12 and a third side plate 13, wherein the first side plate 12 and the third side plate 13 are respectively and vertically connected to two sides of the transverse plate 11, and a plurality of strip-shaped holes 14 are formed in the transverse plate 11 at equal intervals along the span adjustment direction of the amplitude-variable pulling plate. The distance and number of the strip-shaped holes 14 are adjusted according to the actual amplitude-variable pulling plate span and the width of the pulling plate.
As shown in fig. 3, the fixing frame 2 includes a first lower leg 21, a second lower leg 22, a balance beam 23, and a collar 24. The first lower leg 21, the second lower leg 22 and the balance beam 23 are integrally formed, the first lower leg 21 and the second lower leg 22 are respectively and vertically connected to two sides of the balance beam 23, a first hole 25 is formed in the lower portion of the first lower leg 21, a second hole 26 is formed in the lower portion of the second lower leg 22, and the first hole 25 and the second hole 26 are coaxially arranged. The first and second lower legs 21, 22 are in clearance fit with each of the bar-shaped holes 14 in the carriage rail 1, ensuring that the first and second lower legs 21, 22 can be effectively inserted into the bar-shaped holes 14 without being randomly slid out therefrom. The distances between the first lower leg 21 and the second lower leg 22 should be determined according to the width of the pulling plate, and should not be too large as much as possible. The heights of the first and second lower legs 21, 22 should be determined according to the highest point of the pulling plate. The lantern ring 24 is fixedly connected to the front side of the balance beam 23, the lantern ring 24 is provided with a hollow ring 27, the extension length of the lantern ring 24 and the size of the hollow ring 27 are matched with the clamping plates of the pulling plates, and the lantern ring 24 and the balance beam 23 are integrally formed. The fixed pin 3 passes first lower leg 21, second lower leg 22, and the wearing end of fixed pin 3 is connected with fixed card 5, prevents fixed pin 3 from sliding out from bar hole 14.
Example two
The embodiment discloses a crane, as shown in fig. 4, which comprises a boom 4 and an adjustable pulling plate fixing device in implementation, wherein a bracket guide rail 1 is symmetrically arranged along chords 41 of the boom 4 and is respectively and fixedly connected to web members 42 between the chords 41, and the plane heights of the bracket guide rail 1 and the boom 4 are arranged so as to avoid the pulling plate from interfering with other structures on the boom 4. And the transverse direction of the bracket guide rail 1 is required to be consistent with the span adjustment direction of the amplitude-variable pulling plate. The bracket guide rails 1 are symmetrically distributed on two sides of the arm support 4, and the distance between the bracket guide rails 1 is matched with the length of the pull plate.
As shown in fig. 5, when the double-pull plate 6 is fixed, the first lower leg 21 and the second lower leg 22 of the fixing frame 2 are respectively inserted into two bar-shaped holes on the carriage rail 1. The double-pulling plate is provided with a clamping plate 61, and the clamping plate 61 is provided with a threaded hole. The lower end face of the lantern ring 24 on the fixing frame 2 is contacted with the upper end face of the clamping plate 61 of the double-pulling plate, the lower end face of the double-pulling plate is contacted with the bracket guide rail 1, and the clamping plate fixing bolt 62 is sleeved in the lantern ring 24 and locked in the threaded hole of the clamping plate 61, so that the movement of the double-pulling plate 6 is limited. After the above-described operation is completed, the fixing pin 3 is inserted into the first hole 25 and the second hole 26 of the fixing frame 2, thereby preventing the fixing frame 2 from falling off from the carriage rail 1. One end of the fixing pin 3 is provided with a small hole, and the fixing pin 3 is fixed by the fixing clip 5. Collar 24 is not functional when securing a single pulling plate or cable.
When the fixing of the pulling plate is not needed, the first lower leg 21 and the second lower leg 22 of the fixing frame 2 are respectively pulled out from the two strip-shaped holes 14 on the outgoing bracket guide rail 1. The drawn fixing frame 2 is additionally fixed on the bracket guide rail 1 in the same way, so that the lower plane of the balance beam 23 of the fixing frame 2 is required to be ensured to be contacted with the upper end surface of the bracket guide rail 1, and the problem of interference with a steel wire rope is avoided, as shown in fig. 6.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (6)
1. An adjustable pulling plate fixing device is characterized by comprising a bracket guide rail (1) and a fixing frame (2),
the bracket guide rail (1) is U-shaped and comprises a transverse plate (11), a first side plate (12) and a third side plate (13), wherein the first side plate (12) and the third side plate (13) are respectively and vertically connected to two sides of the transverse plate (11), and a plurality of strip-shaped holes (14) are formed in the transverse plate (11) at equal intervals;
the fixing frame (2) comprises a first lower foot (21), a second lower foot (22) and a balance beam (23), wherein the first lower foot (21) and the second lower foot (22) are respectively and vertically connected to two sides of the balance beam (23), and the first lower foot (21) and the second lower foot (22) are both arranged in the strip-shaped hole (14).
2. The adjustable pulling plate fixing device according to claim 1, further comprising a fixing pin (3) and a fixing clip (5),
the utility model discloses a fixing device, including fixed pin (3), first lower foot (21) lower part is equipped with first hole (25), and second lower foot (22) lower part is equipped with second hole (26), first hole (25) and second hole (26) coaxial setting, fixed pin (3) wear to establish in first hole (25), second hole (26), the end of wearing out of fixed pin (3) is connected with fixing clip (5).
3. Adjustable pulling plate fixation device according to claim 1, characterized in that the first lower leg (21), the second lower leg (22) are in a clearance fit with the bar-shaped hole (14).
4. A crane comprising a boom (4), a pulling plate and an adjustable pulling plate fixing device according to any one of claims 1-3,
the arm support (4) comprises chord members (41) and web members (42), the chord members (41) are arranged in parallel, the web members (42) are connected between the chord members (41),
the bracket guide rails (1) are symmetrically arranged along the chord members (41) and are respectively and fixedly connected with the web members (42), the distance between the bracket guide rails (1) is matched with the length of the pulling plate, the arrangement direction of the strip-shaped holes (14) on the bracket guide rails (1) is consistent with the adjustment direction of the gear distance of the pulling plate, the two ends of the pull plate are respectively erected on the symmetrically arranged bracket guide rails (1), the lower end face of the pull plate is in plane contact with the upper plane of the bracket guide rails (1), and the upper end face of the pull plate is in plane contact with the lower plane of the balance beam (23).
5. Crane according to claim 4, characterized in that the upper plane of the carriage rail (1) is flush with the upper plane of the boom (4).
6. The crane according to claim 4, wherein the pulling plate is further provided with a clamping plate (61), the clamping plate (61) is provided with a threaded hole, the fixing frame (2) further comprises a collar (24), the collar (24) is fixedly connected to the front side of the balance beam (23), the collar (24) is further provided with a hollow ring (27), the upper plane of the clamping plate (61) is in contact with the lower plane of the collar (24), the clamping plate (61) and the collar (24) are connected through a fixing bolt (62), and the fixing bolt (62) is sleeved into the hollow ring (27) and is locked in the threaded hole of the clamping plate (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956797.3U CN220642350U (en) | 2023-07-25 | 2023-07-25 | Adjustable pulling plate fixing device and crane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956797.3U CN220642350U (en) | 2023-07-25 | 2023-07-25 | Adjustable pulling plate fixing device and crane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220642350U true CN220642350U (en) | 2024-03-22 |
Family
ID=90288892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321956797.3U Active CN220642350U (en) | 2023-07-25 | 2023-07-25 | Adjustable pulling plate fixing device and crane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220642350U (en) |
-
2023
- 2023-07-25 CN CN202321956797.3U patent/CN220642350U/en active Active
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