CN220498257U - Rectangular pipe positioning and clamping device - Google Patents
Rectangular pipe positioning and clamping device Download PDFInfo
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- CN220498257U CN220498257U CN202322073288.2U CN202322073288U CN220498257U CN 220498257 U CN220498257 U CN 220498257U CN 202322073288 U CN202322073288 U CN 202322073288U CN 220498257 U CN220498257 U CN 220498257U
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- 229910000746 Structural steel Inorganic materials 0.000 claims abstract description 34
- 235000000396 iron Nutrition 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims 6
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to a rectangular pipe positioning and clamping device, and belongs to the field of manufacturing and assembling of a crane boom of a tower crane. The utility model comprises a horizontal base, wherein a first vertical plate and a second vertical plate are fixedly arranged on the horizontal base, an L-shaped positioning plate is arranged on the first vertical plate, the L-shaped positioning plate consists of a transverse plate and a vertical plate positioned below the transverse plate, the lower surface of the transverse plate is provided with a rectangular pipe transverse positioning surface, and the outer surface of one side of the vertical plate is provided with a rectangular pipe vertical positioning surface; the V-shaped angle iron which is rotationally arranged is arranged on the first vertical plate, the V-shaped angle iron is arranged at the lower position of one end, far away from the vertical plate, of the transverse plate of the L-shaped positioning plate, the clamping screw capable of axially moving is arranged on the second vertical plate, and one end of the clamping screw is abutted to the V-shaped angle iron to drive the V-shaped angle iron to swing around the rotating shaft of the V-shaped angle iron. For the same rectangular tube positioning and clamping device, the accurate positioning and clamping of the rectangular tube can be realized by rotating and operating one clamping screw, so that the rectangular tube positioning and clamping device is simpler in structure and more convenient to operate.
Description
Technical Field
The utility model relates to a rectangular pipe positioning and clamping device, and belongs to the field of manufacturing and assembling of a crane boom of a tower crane.
Background
The crane boom of the tower crane is a very important part in the whole tower crane. The parts are steel structure welded parts, and the movable part lifting trolley moves on the lower chord, so the requirements on the parts are very high.
The crane boom of the tower crane is generally of an isosceles triangle structure, and the lower chord of the crane boom is generally of a rectangular pipe. Since the lower chord has the trolley to walk, the width dimension (trolley locating surface width) and the flatness of the upper plane (trolley running surface) of the lower chord are required to be quite high. In the manufacturing process, accurate positioning and fixing of the rectangular pipe are needed.
The patent document with the publication number of CN103128474A discloses a crane boom tool of a tower crane, a lower chord square tube positioning mechanism is arranged on a frame platform, the lower chord square tube positioning mechanism comprises a lower chord square tube positioning support and a jacking device, the lower chord square tube positioning support consists of a base, a left side plate, a right side plate, a pin shaft and a supporting plate, wherein the left side plate and the right side plate are vertically fixed on the base, the supporting plate is arranged between the left side plate and the right side plate, a horizontal groove is correspondingly arranged on the left side plate and the right side plate near the top, an upward opening is arranged on one side of the left side plate and the right side plate, the pin shaft is embedded into the horizontal groove through the upper opening, the jacking device fixed on the base is used for jacking the lower chord square tube from the bottom surface, and the jacking device is matched with the pin shaft fixed on the right upper side of the lower chord square tube to vertically position the lower chord square tube; the middle part of the left side plate is provided with a threaded hole, and the threaded hole is matched with the screw rod to tightly jack the side part so as to position the lower chord square pipe. In this scheme, need utilize jacking device and screw rod to realize respectively from two directions that down string side pipe presss from both sides tight location, the structure is comparatively complicated, and the operation is inconvenient enough.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the rectangular pipe positioning and clamping device is simple in structure and convenient to operate.
The technical scheme adopted for solving the technical problems is as follows: the rectangular pipe positioning and clamping device comprises a horizontal base, a first vertical plate and a second vertical plate are fixedly arranged on the horizontal base, an L-shaped positioning plate is arranged on the first vertical plate, the L-shaped positioning plate is composed of a transverse plate and a vertical plate positioned below the transverse plate, the lower surface of the transverse plate is provided with a rectangular pipe transverse positioning surface, and the outer surface of one side of the vertical plate is provided with a rectangular pipe vertical positioning surface; the V-shaped angle iron is arranged on the first vertical plate in a rotating mode, the V-shaped angle iron is arranged at the lower position, away from one end of the vertical plate, of the transverse plate of the L-shaped positioning plate, the clamping screw capable of moving axially is arranged on the second vertical plate, one end of the clamping screw is abutted to the V-shaped angle iron to drive the V-shaped angle iron to swing around the rotating shaft of the V-shaped angle iron, the rotating shaft is located at the corner position of the V-shaped angle iron and is horizontally arranged, the position of the rotating shaft of the V-shaped angle iron is taken as a demarcation point, one side of the V-shaped angle iron is a clamping screw matching part, the other side of the V-shaped angle iron is a rectangular pipe abutting matching part, when the clamping screw matching part extends downwards vertically, the free end of the rectangular pipe abutting matching part is obliquely arranged relative to the clamping screw matching part towards the direction away from the L-shaped positioning plate, and at the moment, and if the clamping screw moves towards the direction close to the V-shaped angle iron, the rectangular pipe abutting matching part can swing around the rotating shaft towards the direction close to the L-shaped positioning plate.
Further preferred are: an adjusting screw is arranged on the rectangular pipe butt-joint matching part, and the head of the adjusting screw is used for butt-joint fixing of rectangular pipe workpieces.
Further preferred are: the axis of the clamping screw rod is horizontally arranged and is perpendicular to the axis of the rotating shaft of the V-shaped angle iron.
Further preferred are: the clamping screw rod comprises a polished rod portion and a threaded portion, the second vertical plates are two arranged at intervals, one of the second vertical plates is provided with a threaded hole connected with the threaded portion of the clamping screw rod, and the other second vertical plate is provided with a polished rod portion matched with the polished rod portion of the clamping screw rod.
Further preferred are: the riser lower extreme of L shape locating plate is connected with first riser rotation through the riser pivot, and the axis of riser pivot is parallel with the axis of rotation of V-arrangement angle bar, and the riser upper end of L shape locating plate is connected with first riser through detachable bolt.
Further preferred are: the connecting part of the first vertical plate at the vertical plate rotating shaft and the connecting part of the bolt are fixedly provided with backing plates.
Further preferred are: the first vertical plate is fixedly provided with a backing plate at the connecting part of the rotating shaft of the V-shaped angle iron.
Further preferred are: the first vertical plates are two oppositely arranged, the second vertical plates, the L-shaped positioning plates and the V-shaped angle irons are arranged in the interval area between the two first vertical plates, the front faces and the back faces of the L-shaped positioning plates are respectively and correspondingly connected with the first vertical plates, and the front faces and the back faces of the V-shaped angle irons are respectively and correspondingly connected with the first vertical plates.
Further preferred are: the horizontal base is provided with a bolt fixing hole.
The beneficial effects of the utility model are as follows: in practice, the rectangular pipe workpiece is placed inside the corner of the L-shaped positioning block, and the rectangular pipe abutting engagement portion is used for abutting against the corner position of the rectangular pipe workpiece (the corner and the corner of the L-shaped positioning block are located on the same diagonal line of the rectangular pipe workpiece). When the clamping screw is used for propping against the V-shaped angle iron, the rectangular pipe propping and matching part swings around the rotating shaft towards the direction close to the L-shaped locating plate, and as the initial state of the rectangular pipe propping and matching part is in inclined arrangement, in the swinging process of the rectangular pipe propping and matching part, a horizontal clamping component force and a vertical clamping component force can be simultaneously applied to the rectangular pipe workpiece, so that the rectangular pipe workpiece is tightly attached to two locating surfaces (a rectangular pipe transverse locating surface and a rectangular pipe vertical locating surface) on the L-shaped locating plate at the same time, and the accurate locating of the rectangular pipe workpiece is realized. For the same rectangular tube positioning and clamping device, the accurate positioning and clamping of the rectangular tube can be realized by rotating and operating one clamping screw, so that the rectangular tube positioning and clamping device is simpler in structure and more convenient to operate. For rectangular pipe workpieces with different sizes, the adjusting screw is arranged on the rectangular pipe abutting matching part, the head of the adjusting screw is used for abutting and fixing the rectangular pipe workpieces, and when the rectangular pipe workpiece abutting matching device is implemented, the connecting position of the adjusting screw is adjusted in a rotating mode according to actual conditions. In addition, adopt one end rotation to be connected, the detachable structural style of the other end between riser position and the first riser of L shape locating plate, when utilizing the bolt connection, can realize the normal location installation of L shape locating plate, loosen the clamping screw after the jib loading boom assembly is accomplished, can take out the bolt, rotatory L shape locating plate can take out the work piece, further promoted the convenience of assembly process.
Drawings
Fig. 1 is a schematic diagram of the structure of the present utility model in front view.
Fig. 2 is a schematic diagram of the structure of the present utility model in a side view.
Fig. 3 is a top view of the entire base of the present utility model.
Fig. 4 is a schematic view of the cross-sectional A-A structure of fig. 3.
Fig. 5 is a schematic view of the cross-sectional structure of B-B of fig. 3.
Fig. 6 is a schematic diagram of the assembly in front view of the present utility model in its practice.
Fig. 7 is a schematic diagram of the assembly in a side view during the practice of the present utility model.
FIG. 8 is a schematic view of the assembly of the present utility model with the workpiece removed after the boom assembly is completed.
The parts in the figure are marked as follows: the horizontal base 1, the first vertical plate 2, the second vertical plate 3, the L-shaped positioning plate 4, the vertical plate rotating shaft 41, the bolt 42, the V-shaped angle iron 5, the rotating shaft 51, the clamping screw matching part 52, the rectangular pipe abutting matching part 53, the adjusting screw 6, the clamping screw 7, the backing plate 8 and the rectangular pipe workpiece 10.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model.
Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model, as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 5, the utility model comprises a horizontal base 1, a first vertical plate 2 and a second vertical plate 3 are fixedly arranged on the horizontal base 1, an L-shaped positioning plate 4 is arranged on the first vertical plate 2, the L-shaped positioning plate 4 consists of a transverse plate and a vertical plate positioned below the transverse plate, the lower surface of the transverse plate is provided with a rectangular pipe transverse positioning surface, and the outer surface of one side of the vertical plate is provided with a rectangular pipe vertical positioning surface; the V-shaped angle iron 5 which is rotatably arranged is arranged on the first vertical plate 2, the V-shaped angle iron 5 is arranged at the lower position of one end, far away from the vertical plate, of the transverse plate of the L-shaped positioning plate 4, the clamping screw 7 which can move axially is arranged on the second vertical plate 3, one end of the clamping screw 7 is abutted against the V-shaped angle iron 5 to drive the V-shaped angle iron 5 to swing around the rotating shaft 51 of the V-shaped angle iron 5, the rotating shaft 51 is positioned at the corner position of the V-shaped angle iron 5 and is horizontally arranged, the position of the rotating shaft 51 of the V-shaped angle iron 5 is taken as a demarcation point, one side of the V-shaped angle iron 5 is provided with the clamping screw matching part 52, the other side is provided with the rectangular pipe abutting matching part 53, when the clamping screw matching part 52 extends downwards vertically, the free end of the rectangular pipe abutting matching part 53 is obliquely arranged towards the direction far away from the L-shaped positioning plate 4 relative to the clamping screw matching part 52, and at the moment, if the clamping screw 7 moves towards the direction close to the V-shaped angle iron 5, the rectangular pipe abutting matching part 53 can swing towards the direction close to the L-shaped positioning plate 4 around the rotating shaft 51.
Referring to fig. 1, 2, 6 and 7, when in implementation, the rectangular pipe workpiece 10 is correspondingly placed inside the corner of the L-shaped positioning block 4, and the rectangular pipe abutting engagement portion 53 is used for abutting against the corner of the rectangular pipe workpiece 10 (the corner and the corner of the L-shaped positioning block 4 are on the same diagonal line of the rectangular pipe workpiece 10). According to the different lengths of the rectangular pipe workpieces 10, each rectangular pipe workpiece 10 can be correspondingly provided with a plurality of sets of rectangular pipe positioning and clamping devices, and the rectangular pipe clamping devices are distributed at intervals along the length direction of the rectangular pipe workpiece 10. When the clamping screw 7 is used for tightly propping the V-shaped angle iron 5, the rectangular pipe butt matching part 53 swings around the rotating shaft 51 towards the direction close to the L-shaped positioning plate 4, and as the initial state of the rectangular pipe butt matching part 53 is obliquely arranged, in the swinging process of the rectangular pipe butt matching part 53, a horizontal clamping component force and a vertical clamping component force can be simultaneously applied to the rectangular pipe workpiece 10, so that the rectangular pipe workpiece 10 is tightly attached to two positioning surfaces (a rectangular pipe transverse positioning surface and a rectangular pipe vertical positioning surface) on the L-shaped positioning plate 4 at the same time, and the accurate positioning of the rectangular pipe workpiece 10 is realized.
In order to adapt to rectangular pipe workpieces 10 with different specifications, an adjusting screw 6 is arranged on a rectangular pipe abutting matching part 53, the head part of the adjusting screw 6 is used for abutting and fixing the rectangular pipe workpieces 10, and according to different specifications of the rectangular pipe workpieces 10, the connecting position of the adjusting screw 6 on the V-shaped angle iron 5 is adjusted in a rotating mode.
In order to make the transmission structure reliable and to facilitate the manufacturing and assembly, the axis of the clamping screw 7 is preferably arranged horizontally and perpendicular to the axis of the rotation shaft 51 of the V-angle 5.
For further improving the structural reliability, the clamping screw 7 comprises a polish rod part and a threaded part, the second vertical plates 3 are two arranged at intervals, one of the second vertical plates 3 is provided with a threaded hole connected with the threaded part of the clamping screw 7, and the other second vertical plate 3 is provided with a polish hole matched with the polish rod part of the clamping screw 7. The second vertical plate 3 with the threaded hole is used as an adjusting support, and the axial movement of the clamping screw rod 7 can be realized by utilizing a threaded connection structure; the second vertical plate 3 with the light holes mainly plays roles of supporting and guiding, and the two are combined for use, so that the reliability of the structure can be fully ensured.
In order to facilitate the removal of the workpiece after the welding and assembly of the crane arm, the lower end of the vertical plate of the L-shaped positioning plate 4 is rotationally connected with the first vertical plate 2 through a vertical plate rotating shaft 41, the axis of the vertical plate rotating shaft 41 is parallel to the axis of the rotating shaft 51 of the V-shaped angle iron 5, and the upper end of the vertical plate of the L-shaped positioning plate 4 is connected with the first vertical plate 2 through a detachable bolt 42. When connected by the latch 42, normal positioning installation of the L-shaped positioning plate 4 can be achieved. Referring to fig. 8, after the boom is assembled, the clamping screw 7 is loosened, the bolt 42 can be pulled out, and the workpiece can be taken out by rotating the L-shaped positioning plate 4, so that the convenience of the assembly process is further improved.
In order to make the structure more reliable, the first vertical plate 2 is fixedly provided with a backing plate 8 at the connecting part where the vertical plate rotating shaft 41 is located and the connecting part where the bolt 42 is located. Similarly, the first riser 2 is fixedly provided with a shim plate 8 at a connection portion of the V-angle bar 5 where the rotation shaft 51 is located.
For the structure to be more reliable, the first riser 2 is two that are the relative arrangement, and second riser 3, L shape locating plate 4, V-arrangement angle bar 5 all set up in the interval region between two first risers 2, and the front and the back of L shape locating plate 4 correspond respectively with first riser 2 and are connected, and the front and the back of V-arrangement angle bar 5 correspond respectively with first riser 2 and are connected. Referring to fig. 1 to 5, the horizontal base 1, the first vertical plate 2, the second vertical plate 3, and the pad 8 may be generally welded and fixed as a whole.
In order to be convenient for use with other work platforms, be provided with the bolt fixed orifices on the horizontal base 1, during the implementation, utilize the bolt to fix horizontal base 1 at corresponding work platform can.
Claims (9)
1. Rectangular pipe positioning and clamping device, its characterized in that: the horizontal positioning device comprises a horizontal base (1), wherein a first vertical plate (2) and a second vertical plate (3) are fixedly arranged on the horizontal base (1), an L-shaped positioning plate (4) is arranged on the first vertical plate (2), the L-shaped positioning plate (4) is composed of a transverse plate and a vertical plate positioned below the transverse plate, the lower surface of the transverse plate is provided with a rectangular pipe transverse positioning surface, and the outer surface of one side of the vertical plate is provided with a rectangular pipe vertical positioning surface; install V-arrangement angle bar (5) that rotate and set up on first riser (2), V-arrangement angle bar (5) set up in the below position that riser one end was kept away from to the diaphragm of L shape locating plate (4), install clamping screw (7) that can axial displacement on second riser (3), clamping screw (7) one end and V-arrangement angle bar (5) butt in order to drive V-arrangement angle bar (5) around its axis of rotation (51) swing, axis of rotation (51) are located the angular position of V-arrangement angle bar (5) and are the level and arrange, with the position of axis of rotation (51) of V-arrangement angle bar (5) as the boundary point, one side of V-arrangement angle bar (5) is clamping screw mating portion (52), the opposite side is rectangular pipe butt mating portion (53), when clamping screw mating portion (52) are along vertical downwardly extending, the free end of rectangular pipe butt mating portion (53) is inclined setting for clamping screw mating portion (52) towards the direction of keeping away from L shape locating plate (4), but if clamping screw (7) orientation is close to V-arrangement angle bar (5) the orientation at this moment and is close to rectangular pipe butt portion (53) orientation of moving along the direction of rectangular pipe mating portion (53) of V-arrangement angle bar (5).
2. The rectangular tube positioning and clamping device as recited in claim 1, wherein: an adjusting screw (6) is arranged on the rectangular pipe abutting matching part (53), and the head part of the adjusting screw (6) is used for abutting and fixing a rectangular pipe workpiece (10).
3. The rectangular tube positioning and clamping device as recited in claim 1, wherein: the axis of the clamping screw (7) is horizontally arranged and is perpendicular to the axis of the rotating shaft (51) of the V-shaped angle iron (5).
4. The rectangular tube positioning and clamping device as recited in claim 1, wherein: the clamping screw (7) comprises a polish rod part and a threaded part, the second vertical plates (3) are arranged at intervals, one of the second vertical plates (3) is provided with a threaded hole connected with the threaded part of the clamping screw (7), and the other second vertical plate (3) is provided with a polish hole matched with the polish rod part of the clamping screw (7).
5. The rectangular tube positioning and clamping device as recited in claim 1, wherein: the lower end of a vertical plate of the L-shaped positioning plate (4) is rotationally connected with the first vertical plate (2) through a vertical plate rotating shaft (41), the axis of the vertical plate rotating shaft (41) is parallel to the axis of a rotating shaft (51) of the V-shaped angle iron (5), and the upper end of the vertical plate of the L-shaped positioning plate (4) is connected with the first vertical plate (2) through a detachable bolt (42).
6. The rectangular tube positioning and clamping device as recited in claim 5, wherein: the first vertical plate (2) is fixedly provided with a base plate (8) at the connecting part where the vertical plate rotating shaft (41) is located and the connecting part where the bolt (42) is located.
7. The rectangular tube positioning and clamping device as recited in claim 1, wherein: the first vertical plate (2) is fixedly provided with a backing plate (8) at the connecting part of the rotating shaft (51) of the V-shaped angle iron (5).
8. A rectangular tube positioning and clamping device as claimed in any one of claims 1 to 7, wherein: the first vertical plates (2) are two oppositely arranged, the second vertical plates (3), the L-shaped positioning plates (4) and the V-shaped angle irons (5) are arranged in the interval area between the two first vertical plates (2), the front faces and the back faces of the L-shaped positioning plates (4) are respectively and correspondingly connected with the first vertical plates (2), and the front faces and the back faces of the V-shaped angle irons (5) are respectively and correspondingly connected with the first vertical plates (2).
9. A rectangular tube positioning and clamping device as claimed in any one of claims 1 to 7, wherein: the horizontal base (1) is provided with a bolt fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322073288.2U CN220498257U (en) | 2023-08-03 | 2023-08-03 | Rectangular pipe positioning and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322073288.2U CN220498257U (en) | 2023-08-03 | 2023-08-03 | Rectangular pipe positioning and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220498257U true CN220498257U (en) | 2024-02-20 |
Family
ID=89877620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322073288.2U Active CN220498257U (en) | 2023-08-03 | 2023-08-03 | Rectangular pipe positioning and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220498257U (en) |
-
2023
- 2023-08-03 CN CN202322073288.2U patent/CN220498257U/en active Active
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