CN216336193U - Connecting joint for upper chord of crane girder - Google Patents
Connecting joint for upper chord of crane girder Download PDFInfo
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- CN216336193U CN216336193U CN202123123746.6U CN202123123746U CN216336193U CN 216336193 U CN216336193 U CN 216336193U CN 202123123746 U CN202123123746 U CN 202123123746U CN 216336193 U CN216336193 U CN 216336193U
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Abstract
The utility model discloses a connecting joint for the upper chord of a main beam of a crane, which comprises: the outer side of the right end of the first mounting rack is provided with a second mounting rack, a positioning block is fixedly mounted on the right end face of the first mounting rack, and a positioning groove is formed in the left end face of the second mounting rack; the reinforcing ribs are fixedly arranged at the inner side ends of the first mounting frame and the second mounting frame respectively, a fixing piece is arranged at the outer side end of the first mounting frame, a fixing bolt penetrates through the fixing piece, and a nut is arranged at the outer end of the right side of the fixing bolt; the first supporting assembly is installed at the inner side end of the first mounting frame, a fixing hole is formed in the right side of the first mounting frame in a penetrating mode, and the second supporting assembly is arranged at the inner side end of the second mounting frame. This attach fitting of crane girder upper chord has strengthened the support effect of attach fitting department to improve its holistic intensity, strengthened holistic installation effect simultaneously, be convenient for better use.
Description
Technical Field
The utility model relates to the technical field of crane girder upper chord installation, in particular to a joint for crane girder upper chord.
Background
The crane refers to a multi-action crane for vertically lifting and horizontally carrying heavy objects within a certain range. The connection joints are required to be used in the installation process of the upper chord of the main beam of the crane, namely a crown block, a crane and a crane, but most of the connection joints still have some defects at present, such as the defects.
The utility model discloses an authorized bulletin number is CN206705526U, the utility model discloses a crane girder connection joint of winding up, including the first flange board of welding at first last quarter splice end and the second flange board of second last quarter splice end, first flange board both sides face and the downside all outwards extends and have first extension portion, all seted up first connecting hole in the first extension portion, second flange board both sides face and downside all outwards extend and have second extension portion, the second connecting hole has been seted up in the second extension portion, wear to be equipped with connecting bolt in first connecting hole and the corresponding second connecting hole, the locating hole has all been seted up in first flange board central authorities and the second flange board central authorities, wear to establish the locating pin in the locating hole. The two flange plates are connected, so that the bearing capacity is higher, the integral manufacture is simple and convenient, welding seams are few, materials are saved, the positioning pin penetrates through the centers of the two flange plates, the positioning is convenient and quick during the winding assembly, the positioning pin plays a role in bearing shearing force, and the connection strength of the main beam winding is improved.
The prior art scheme still has some defects, for example, the support effect of the connecting joint is poor, so that the strength of the whole crane in the using process is poor, the service life of the crane is shortened, and certain defects exist.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a connecting joint for an upper chord of a main beam of a crane, which aims to solve the problems that the supporting effect of the connecting joint in the background technology is poor, the strength of the whole crane in the using process is poor, the service life of the crane is shortened, and certain defects exist.
In order to achieve the purpose, the utility model provides the following technical scheme: an attachment joint for a crane main beam upper chord, comprising:
the outer side of the right end of the first mounting rack is provided with a second mounting rack, a positioning block is fixedly mounted on the right end face of the first mounting rack, and a positioning groove is formed in the left end face of the second mounting rack;
the reinforcing ribs are fixedly arranged at the inner side ends of the first mounting frame and the second mounting frame respectively, a fixing piece is arranged at the outer side end of the first mounting frame, a fixing bolt penetrates through the fixing piece, and a nut is arranged at the outer end of the right side of the fixing bolt;
the first supporting assembly is installed at the inner side end of the first mounting frame, a fixing hole is formed in the right side of the first mounting frame in a penetrating mode, and the second supporting assembly is arranged at the inner side end of the second mounting frame.
Preferably, the positioning block is connected with the second mounting frame through the positioning groove in a clamping manner, and the positioning block is arranged on the outer end face of the first mounting frame at equal intervals.
Preferably, the fixing bolts are respectively arranged in one-to-one correspondence with the fixing holes and the nuts, and the longitudinal section of the first mounting frame arranged outside the fixing holes is I-shaped.
Preferably, the first support component comprises an outer mounting piece, an inner mounting piece, a mounting bolt and a support rod;
an outer mounting piece mounted at the inner side end of the first mounting frame;
the inner mounting piece is arranged at the outer end of one side of the outer mounting piece close to the central axis of the first mounting frame;
mounting bolts respectively mounted inside the outer mounting piece and the inner mounting piece;
and the support rod is arranged at the inner side ends of the outer mounting sheet and the inner mounting sheet monomer.
Preferably, the bracing piece is connected with outer installation piece and interior installation piece respectively and adopts the mode of pegging graft, and the middle part of outer installation piece and interior installation piece all is provided with convex slot-shaped structure.
Preferably, the second supporting component and the first supporting component are arranged in a left-right parallel mode, and the second supporting component is located right of the first supporting component.
Compared with the prior art, the utility model has the beneficial effects that: the connecting joint of the upper chord of the crane main beam strengthens the supporting effect at the connecting joint, thereby improving the integral strength of the crane main beam, strengthening the integral installation effect and facilitating better use;
1. the outer mounting piece and the inner mounting piece are fixedly mounted at the inner wall ends of the upper end and the lower end of the first mounting frame respectively through mounting bolts, and meanwhile, the outer mounting piece and the inner mounting piece have good mounting and limiting effects on the supporting rod, so that the supporting rod has a good supporting effect on the first mounting frame, and the overall strength of the first mounting frame is improved;
2. the second support component and the first support component are arranged in a left-right parallel mode, and the upper end and the lower end of the second support component are respectively connected with the inner wall end of the second mounting rack, so that the support effect on the second mounting rack is enhanced, and the strength of the joint of the first mounting rack and the second mounting rack is enhanced by the first support component and the second support component;
3. install respectively in the front and back both ends outside of first mounting bracket and second mounting bracket junction through the mounting, and fixing bolt is the one-to-one setting with fixed orifices and nut respectively to be convenient for install the mounting in the junction of first mounting bracket and second mounting bracket through fixing bolt, and then strengthened holistic installation effect.
Drawings
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is a schematic view of the connection structure of the first mounting bracket and the first support assembly according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic diagram of a side view of the connection between the first mounting bracket and the fixing member according to the present invention.
In the figure: 1. first mounting bracket, 2, second mounting bracket, 3, locating piece, 4, constant head tank, 5, strengthening rib, 6, mounting, 7, fixing bolt, 8, nut, 9, first supporting component, 901, outer installation piece, 902, interior installation piece, 903, mounting bolt, 904, bracing piece, 10, fixed orifices, 11, second supporting component.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Unless otherwise defined, all references to up, down, left, right, front, rear, etc. directions herein are to be interpreted as referring to up, down, left, right, front, rear, etc. directions in the drawings to which the utility model is directed.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a connector of crane girder upper chord, the right-hand member outside including first mounting bracket 1 is provided with second mounting bracket 2, and the right-hand member face fixed mounting of first mounting bracket 1 has locating piece 3, and constant head tank 4 has been seted up to the left end face of second mounting bracket 2, strengthening rib 5 is fixed mounting in the medial extremity of first mounting bracket 1 and second mounting bracket 2 respectively, and the outside end of first mounting bracket 1 installs mounting 6, the inside of mounting 6 runs through and is provided with fixing bolt 7, and fixing bolt 7's right side outer end installs nut 8, first supporting component 9 installs in the medial extremity of first mounting bracket 1 simultaneously, and the inside fixed orifices 10 of having run through in right side of first mounting bracket 1, the medial extremity of second mounting bracket 2 is provided with second supporting component 11, the combination constitutes crane girder upper chord's connector.
When the connecting joint of the upper chord of the crane girder is used, as shown in fig. 1 and 4 in particular, because the positioning block 3 is connected with the second mounting frame 2 in a clamping manner through the positioning groove 4 and the positioning block 3 is arranged at the outer end surface of the first mounting frame 1 at equal intervals, when the first mounting frame 1 and the second mounting frame 2 are mounted, the positioning block 3 is connected with the second mounting frame 2 through the positioning groove 4, and at the moment, the positioning block 3 and the positioning groove 4 have a good positioning effect on the first mounting frame 1 and the second mounting frame 2, the mounting accuracy is improved, and the mounting work efficiency is improved;
because fixing bolt 7 is the one-to-one setting with fixed orifices 10 and nut 8 respectively, and the longitudinal section of the first mounting bracket 1 that the fixed orifices 10 outside set up is "I" style of calligraphy, after first mounting bracket 1 and the butt joint of second mounting bracket 2 are accomplished, install mounting 6 respectively in the front and back both ends outside of first mounting bracket 1 and the junction of second mounting bracket 2 again, insert the inside of mounting 6 with fixing bolt 7 is rotatory this moment, fixing bolt 7 carries out fixed mounting to first mounting bracket 1 and second mounting bracket 2 through fixed orifices 10 respectively simultaneously, it can to fix fixing bolt 7 after the rethread nut 8 is installed.
Specifically, as shown in fig. 2 and 3, since the outer mounting plate 901 is mounted at the inner side end of the first mounting frame 1 by the mounting bolt 903, the inner mounting plate 902 is disposed at the outer end of the outer mounting plate 901 close to the central axis of the first mounting frame 1, the support rod 904 is disposed at the inner side end of the outer mounting plate 901 and the inner mounting plate 902, and the support rod 904 is connected with the outer mounting plate 901 and the inner mounting plate 902 by inserting, and the middle portions of the outer mounting plate 901 and the inner mounting plate 902 are both provided with arc-shaped groove structures, the outer mounting plate 901 and the inner mounting plate 902 are first fixedly mounted at the inner wall ends of the upper and lower ends of the first mounting frame 1 by the mounting bolt 903, so that the outer mounting plate 901 and the inner mounting plate 902 are connected in contact with each other, at this time, the outer mounting plate 901 and the inner mounting plate 902 have good mounting and limiting effects on the support rod 904, so that the upper and lower ends of the support rod 904 are respectively contacted with the first mounting frame 1, therefore, the supporting effect on the joint of the first mounting frame 1 is enhanced, and the overall strength of the first mounting frame is improved;
because second supporting component 11 is left right parallel type setting with first supporting component 9, and second supporting component 11 is located right-hand side of first supporting component 9, the structural principle of second supporting component 11 is the same with the structural principle of first supporting component 9 simultaneously, second supporting component 11 is installed in the upper and lower both ends inner wall end of second mounting bracket 2, thereby have the support effect of thickening to the second mounting bracket 2 junction, and then further strengthened the intensity of second mounting bracket 2, this is exactly this crane girder upper chord's attach fitting's application method.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a attach fitting of crane girder upper chord which characterized in that includes:
the outer side of the right end of the first mounting rack is provided with a second mounting rack, a positioning block is fixedly mounted on the right end face of the first mounting rack, and a positioning groove is formed in the left end face of the second mounting rack;
the reinforcing ribs are fixedly arranged at the inner side ends of the first mounting frame and the second mounting frame respectively, a fixing piece is arranged at the outer side end of the first mounting frame, a fixing bolt penetrates through the fixing piece, and a nut is arranged at the outer end of the right side of the fixing bolt;
the first supporting assembly is installed at the inner side end of the first mounting frame, a fixing hole is formed in the right side of the first mounting frame in a penetrating mode, and the second supporting assembly is arranged at the inner side end of the second mounting frame.
2. The joint of claim 1, wherein: the locating piece is connected with the second mounting bracket through the locating groove in a clamping mode, and the locating piece is arranged on the outer end face of the first mounting bracket at equal intervals from top to bottom.
3. The joint of claim 1, wherein: the fixing bolts are respectively in one-to-one correspondence with the fixing holes and the nuts, and the longitudinal section of the first mounting frame arranged outside the fixing holes is I-shaped.
4. The joint of claim 1, wherein: the first support assembly comprises an outer mounting piece, an inner mounting piece, a mounting bolt and a support rod;
an outer mounting piece mounted at the inner side end of the first mounting frame;
the inner mounting piece is arranged at the outer end of one side of the outer mounting piece close to the central axis of the first mounting frame;
mounting bolts respectively mounted inside the outer mounting piece and the inner mounting piece;
and the support rod is arranged at the inner side ends of the outer mounting sheet and the inner mounting sheet monomer.
5. The joint of claim 4, wherein: the bracing piece adopts the mode of pegging graft with outer installation piece and interior installation piece respectively to be connected, and the middle part of outer installation piece and interior installation piece all is provided with convex slot-shaped structure.
6. The joint of claim 1, wherein: the second supporting component and the first supporting component are arranged in a left-right parallel mode, and the second supporting component is located right of the first supporting component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123123746.6U CN216336193U (en) | 2021-12-13 | 2021-12-13 | Connecting joint for upper chord of crane girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123123746.6U CN216336193U (en) | 2021-12-13 | 2021-12-13 | Connecting joint for upper chord of crane girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216336193U true CN216336193U (en) | 2022-04-19 |
Family
ID=81163871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123123746.6U Active CN216336193U (en) | 2021-12-13 | 2021-12-13 | Connecting joint for upper chord of crane girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216336193U (en) |
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2021
- 2021-12-13 CN CN202123123746.6U patent/CN216336193U/en active Active
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