CN218800183U - Supplementary tailor-welding device of davit arm head - Google Patents
Supplementary tailor-welding device of davit arm head Download PDFInfo
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- CN218800183U CN218800183U CN202320115510.8U CN202320115510U CN218800183U CN 218800183 U CN218800183 U CN 218800183U CN 202320115510 U CN202320115510 U CN 202320115510U CN 218800183 U CN218800183 U CN 218800183U
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- front support
- welding
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- wall head
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Abstract
A splicing welding device for assisting a boom head of a suspension arm relates to the technical field of welding tools. The problem of at present adopt manual welding mode to davit wall head, can't guarantee that the left and right sides of welding back wall head is parallel relatively to lead to welding back wall head left and right parts go up the position of through-hole and can't correspond accurately, and then lead to the quality of arm head tailor-welding relatively poor, work efficiency is lower is solved. The end part of the mandrel penetrates through a through hole on the side surface of the right front bracket, a through hole on one half-wall head assembly, a spacer bush and a through hole on the other half-wall head assembly in sequence and then is inserted into a through hole on the side surface of the left front bracket, so that axial positioning is realized; then two jacking mechanisms on the outer side surface of the left front support are utilized to realize seamless splicing of the two half-wall head assemblies; therefore, the two half-wall head components are relatively parallel before welding, and the through holes on the two half-wall head components are strictly corresponding in position; thereby improving the tailor welding quality and the working efficiency. The utility model is suitable for a welding of davit wall head.
Description
Technical Field
The utility model relates to a welding frock technical field, concretely relates to supplementary welding device of davit arm head.
Background
Along with the gradual and stable change trend of the domestic epidemic situation and the gradual resurgence of economy, the daily operation of each large port is continuously recovered, the consumption of the telescopic boom crane and the tire crane is increased day by day, and the service life of the crane boom head needs to be prolonged in consideration of the port operation environment and workload; the existing wall head manufacturing technology adopts a manual welding mode, the wall head is divided into two parts when not being welded, the two parts of the wall head are required to be relatively parallel in the welding process, the through holes on the two parts are required to be concentric, and the two parts are spliced and welded into the wall head by utilizing the manual welding mode; this kind of manual welding's mode can't guarantee that the left and right sides two parts of wall head are parallel relatively behind the welding to lead to behind the welding wall head about the position of through-hole on the part unable accurate correspond, and then lead to the arm head to piece the problem that the welding quality is relatively poor, work efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve present to davit wall head adoption manual welding's mode, can't guarantee that two parts are parallel relatively about welding back wall head to lead to welding back wall head about on the unable accurate correspondence of position of through-hole, and then lead to the arm head to piece the welding quality relatively poor, the lower problem of work efficiency, and provide a supplementary tailor-welding device of davit arm head.
The utility model discloses a supplementary tailor-welding device of davit arm head, its constitution includes rear bracket 2, left fore-stock 3, base 4, tight mechanism 5 in top, no. one gusset 6, no. two gusset 7, dabber 8, spacer 9 and right fore-stock 10;
one end of the upper surface of the base 4 is provided with a left front support 3, the other end of the upper surface of the base 4 is provided with a right front support 10, the left front support 3 and the right front support 10 are arranged in parallel, a rib plate 6 is arranged between the side surface of the left front support 3 and the upper surface of the base 4, two ends of the outer side surface of the left front support 3 are respectively provided with a jacking mechanism 5, the lower parts of the side surfaces of the left front support 3 and the right front support 10 are respectively provided with a through hole, one end of a mandrel 8 sequentially penetrates through the through hole on the side surface of the right front support 10 and a spacer 9 and then is inserted into the through hole on the side surface of the left front support 3, a rib plate 7 is arranged between the outer side surface of the right front support 10 and the upper surface of the base 4, and the middle part of the long edge of the upper surface of the base 4 is provided with a rear support 2;
further, the rear support 2 comprises a first cross beam 11, a second cross beam 12, a longitudinal beam 13, a support beam 14, a connecting beam 15 and two positioning stoppers 16;
two longitudinal beams 13 are arranged in parallel relatively, a first cross beam 11 is arranged between the top ends of the side surfaces of the two longitudinal beams 13, a second cross beam 12 is arranged between the middle parts of the side surfaces of the two longitudinal beams 13, a positioning stop 16 is arranged at the joint of one end of the second cross beam 12 and one of the longitudinal beams 13, another positioning stop 16 is arranged at the joint of the other end of the second cross beam 12 and the other longitudinal beam 13, a supporting beam 14 is arranged between the back surface of each longitudinal beam 13 and the upper surface of the base 4, and a connecting beam 15 is arranged between the middle part of the side surface of the supporting beam 14 and the middle part of the side surface of the longitudinal beam 13;
further, the left front bracket 3 comprises a channel steel 17, an outer reinforcing ring 18 and an inner reinforcing ring 19; an annular through hole is formed in the middle of the front face of the channel steel 17, an outer reinforcing ring 18 is arranged at one end of the annular through hole, and an inner reinforcing ring 19 is arranged at the other end of the annular through hole;
further, the left front bracket 3 and the right front bracket 10 have the same structure;
further, the base 4 comprises a panel 20, a first connecting rod 21, a second connecting rod 22 and a fixed beam 23;
the two first connecting rods 21 are arranged in parallel relatively, a second connecting rod 22 is arranged between two ends of each first connecting rod 21, two fixing beams 23 are uniformly arranged between the two second connecting rods 22, one end of the lower surface of the panel 20 is connected with the upper surface of one second connecting rod 22, and the other end of the lower surface of the panel 20 is connected with the upper surface of the other second connecting rod 22;
further, the tightening mechanism 5 comprises a hand wheel 24, a lead screw 25, a lead screw nut 26, a plug 27, a screw sleeve 28 and a positioning screw 29;
a screw nut 26 is arranged on the screw rod 25, one end of the screw nut 26 is welded and fixed with the side face of the channel steel 17 in the left front support 3, a rotary sleeve 28 is arranged on the end face of one end of the screw rod 25, a hand wheel 24 is sleeved on the rotary sleeve 28, a top head 27 is arranged on the end face of the other end of the screw rod 25, and the top head 27 is fixedly connected with the end part of the screw rod 25 through a positioning screw 29;
further, the screw sleeve 28 is welded and fixed with the end of the screw rod 25, and the inner wall of the inner hole of the hand wheel 24 is welded and fixed with the outer surface of the screw sleeve 28;
further, when the positioning device is used, the two half-wall head assemblies 1 are placed between the left front support 3 and the right front support 10, a through hole is formed in the lower portion of the side face of each half-wall head assembly, the length of the spacer 9 is selected according to manufacturing parameters of the wall heads, and then one end of the mandrel 8 sequentially penetrates through the through hole in the side face of the right front support 10, the through hole in one half-wall head assembly 1, the spacer 9 and the through hole in the other half-wall head assembly 1 and then is inserted into the through hole in the side face of the left front support 3, so that the axial positioning of the two half-wall head assemblies 1 is completed; and then, two ends of the outer side surface of the left front support 3 are respectively provided with a jacking mechanism 5, hand wheels 24 on the jacking mechanisms 5 are respectively rotated, the hand wheels 24 rotate to drive a lead screw 25, one end of a lead screw nut 26 is welded and fixed with the side surface of the channel steel 17 in the left front support 3, so that the lead screw 25 moves forwards, a jacking head 27 at the end part of the lead screw 25 is in contact with the outer side surface of the half-wall head assembly 1 until locking is realized, seamless splicing of the two half-wall head assemblies 1 is realized, welding operation is carried out on the two half-wall head assemblies 1, and welding operation on the wall head of the lifting arm is completed.
Compared with the prior art, the utility model following beneficial effect has:
the utility model overcomes the defects of the prior art, two half-wall head components are placed between the left front bracket and the right front bracket, the lower part of the side surface of the half-wall head component is provided with a through hole, and the length of the corresponding spacer sleeve is selected according to the manufacturing parameters of the wall head, and then one end of the mandrel is inserted into the through hole at the side surface of the left front bracket after sequentially passing through the through hole at the side surface of the right front bracket, the through hole at one half-wall head component, the spacer sleeve and the through hole at the other half-wall head component, thereby completing the axial positioning of the two half-wall head components; then two jacking mechanisms on the outer side surface of the left front support are utilized to realize seamless splicing of the two half-wall head assemblies; the auxiliary welding device with the structure can ensure that the two half-wall head assemblies are relatively parallel before welding, can also ensure that the positions of through holes on the two half-wall head assemblies are strictly corresponding, and performs welding operation after the two half-wall head assemblies are positioned and spliced by the auxiliary welding device; the welding quality of the wall head of the lifting arm can be greatly improved, so that the working efficiency is improved.
Drawings
Fig. 1 is a side view of a boom head auxiliary tailor-welding device according to the present invention;
fig. 2 is a front view of the boom head auxiliary tailor-welding device according to the present invention;
fig. 3 is a side view of a rear bracket in the boom head auxiliary tailor-welding device according to the present invention;
fig. 4 is a front view of a rear bracket in the boom head auxiliary tailor-welding device according to the present invention;
fig. 5 is a front view of a left front bracket in the boom head auxiliary tailor-welding device of the present invention;
fig. 6 is a side sectional view of a left front bracket in the boom head auxiliary tailor-welding device of the present invention;
fig. 7 is a side view of a base in the boom arm head auxiliary tailor-welding device according to the present invention;
fig. 8 is a bottom view of a base in the boom head auxiliary tailor-welding device according to the present invention;
fig. 9 is a schematic structural diagram of a jacking mechanism in the boom head auxiliary tailor-welding device of the present invention.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 and fig. 2, and the boom head auxiliary tailor-welding device of the embodiment comprises a rear support 2, a left front support 3, a base 4, a jacking mechanism 5, a first rib plate 6, a second rib plate 7, a mandrel 8, a spacer 9 and a right front support 10;
one end of the upper surface of the base 4 is provided with a left front support 3, the other end of the upper surface of the base 4 is provided with a right front support 10, the left front support 3 and the right front support 10 are arranged in parallel, a rib plate 6 is arranged between the side surface of the left front support 3 and the upper surface of the base 4, two ends of the outer side surface of the left front support 3 are respectively provided with a jacking mechanism 5, the lower parts of the side surfaces of the left front support 3 and the right front support 10 are respectively provided with a through hole, one end of a mandrel 8 sequentially penetrates through the through hole on the side surface of the right front support 10 and a spacer 9 and then is inserted into the through hole on the side surface of the left front support 3, a rib plate 7 is arranged between the outer side surface of the right front support 10 and the upper surface of the base 4, and the middle part of the long edge of the upper surface of the base 4 is provided with a rear support 2;
in the specific embodiment, when the positioning device is used, the two half-wall head assemblies 1 are placed between the left front support 3 and the right front support 10, the lower parts of the side surfaces of the half-wall head assemblies are provided with a through hole, the length of the spacer 9 is selected according to the manufacturing parameters of the wall heads, and then one end of the mandrel 8 sequentially passes through the through hole on the side surface of the right front support 10, the through hole on one of the half-wall head assemblies 1, the spacer 9 and the through hole on the other half-wall head assembly 1 and then is inserted into the through hole on the side surface of the left front support 3, so that the axial positioning of the two half-wall head assemblies 1 is completed; then, two ends of the outer side surface of the left front support 3 are respectively provided with a jacking mechanism 5, hand wheels 24 on the jacking mechanisms 5 are respectively rotated, the hand wheels 24 rotate to drive a lead screw 25, one end of a lead screw nut 26 is welded and fixed with the side surface of a channel steel 17 in the left front support 3, so that the lead screw 25 moves forwards, a jacking head 27 at the end part of the lead screw 25 is contacted with the outer side surface of the half-wall head assembly 1 until locking is realized, seamless splicing of the two half-wall head assemblies 1 is realized, welding operation is carried out on the two half-wall head assemblies 1, and welding operation on the wall head of the lifting arm is finished;
wherein the mandrel 8 and the spacer 9 are both subjected to thermal treatment, thereby improving the strength of the mandrel 8 and the spacer 9.
The second embodiment is as follows: the present embodiment is described with reference to fig. 3 and 4, and the present embodiment is a further limitation to the welding tool according to the first embodiment, and the rear bracket 2 of the welding tool according to the present embodiment includes a first cross beam 11, a second cross beam 12, a longitudinal beam 13, a support beam 14, a connecting beam 15, and two positioning stoppers 16;
two longerons 13 are parallel arrangement relatively, be equipped with crossbeam 11 between two longerons 13 side tops, be equipped with crossbeam 12 No. two between two longerons 13 side middle parts, and the junction of crossbeam 12 one end No. two and one of them longeron 13 is equipped with a location dog 16, the junction of the crossbeam 12 other end No. two and another longeron 13 is equipped with another location dog 16, be equipped with a supporting beam 14 between every longeron 13 back and the base 4 upper surface, and be equipped with tie-beam 15 between the side middle part of supporting beam 14 and the side middle part of longeron 13.
The third concrete implementation mode: the present embodiment is described with reference to fig. 5 and 6, and the present embodiment further defines the welding tool according to the first embodiment, and the left front bracket 3 of the welding tool according to the present embodiment includes a channel steel 17, an outer reinforcement ring 18, and an inner reinforcement ring 19; an annular through hole is formed in the middle of the front face of the channel steel 17, an outer reinforcing ring 18 is arranged at one end of the annular through hole, and an inner reinforcing ring 19 is arranged at the other end of the annular through hole.
The fourth concrete implementation mode is as follows: the present embodiment is described with reference to fig. 2, 5 and 6, and the present embodiment further defines the welding tool according to the third embodiment, and in the boom tip welding assisting apparatus according to the present embodiment, the left front bracket 3 and the right front bracket 10 have the same structure.
The fifth concrete implementation mode: the present embodiment is described with reference to fig. 7 and 8, and the present embodiment is a further limitation to the welding tool according to the first embodiment, and the base 4 of the welding tool according to the present embodiment includes a panel 20, a first connecting rod 21, a second connecting rod 22, and a fixed beam 23;
two connecting rods 21 are parallel to each other, two connecting rods 22 are arranged between two ends of each connecting rod 21, two fixing beams 23 are uniformly arranged between the two connecting rods 22, one end of the lower surface of the panel 20 is connected with the upper surface of one of the two connecting rods 22, and the other end of the lower surface of the panel 20 is connected with the upper surface of the other connecting rod 22.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 2 and 9, and the present embodiment is a further limitation to the welding tool according to the first embodiment, and in the welding tool for assisting a boom arm head of the present embodiment, the tightening mechanism 5 includes a hand wheel 24, a lead screw 25, a lead screw nut 26, a plug 27, a screw sleeve 28, and a set screw 29;
a screw nut 26 is arranged on the screw 25, one end of the screw nut 26 is fixedly welded with the side face of the channel steel 17 in the left front support 3, a rotary sleeve 28 is arranged on the end face of one end of the screw 25, a hand wheel 24 is sleeved on the rotary sleeve 28, a top 27 is arranged on the end face of the other end of the screw 25, and the top 27 is fixedly connected with the end part of the screw 25 through a positioning screw 29;
in the present embodiment, the end of the screw 25 and the plug 27 are both subjected to thermal treatment, so that the strength of the end of the screw 25 and the plug 27 is improved, the service life is prolonged, and the durability in use is improved.
The seventh embodiment: the present embodiment is described with reference to fig. 2 and 9, and is a further limitation to the welding tool according to the sixth embodiment, in the boom arm head auxiliary welding device according to the present embodiment, the screw sleeve 28 is welded and fixed to the end of the screw rod 25, and the inner wall of the inner hole of the hand wheel 24 is welded and fixed to the outer surface of the screw sleeve 28.
Principle of operation
When the positioning device is used, the two half-wall head assemblies 1 are placed between the left front support 3 and the right front support 10, the lower parts of the side surfaces of the half-wall head assemblies are provided with a through hole, the length of the spacer 9 is selected according to the manufacturing parameters of the wall heads, and then one end of the mandrel 8 is inserted into the through hole in the side surface of the left front support 3 after sequentially passing through the through hole in the side surface of the right front support 10, the through hole in one of the half-wall head assemblies 1, the spacer 9 and the through hole in the other half-wall head assembly 1, so that the axial positioning of the two half-wall head assemblies 1 is completed; and then, two ends of the outer side surface of the left front support 3 are respectively provided with a jacking mechanism 5, hand wheels 24 on the jacking mechanisms 5 are respectively rotated, the hand wheels 24 rotate to drive a lead screw 25, one end of a lead screw nut 26 is welded and fixed with the side surface of the channel steel 17 in the left front support 3, so that the lead screw 25 moves forwards, a jacking head 27 at the end part of the lead screw 25 is in contact with the outer side surface of the half-wall head assembly 1 until locking is realized, seamless splicing of the two half-wall head assemblies 1 is realized, welding operation is carried out on the two half-wall head assemblies 1, and welding operation on the wall head of the lifting arm is completed.
Claims (7)
1. The utility model provides a supplementary tailor-welding device of davit arm head which characterized in that: the device comprises a rear support (2), a left front support (3), a base (4), a jacking mechanism (5), a first rib plate (6), a second rib plate (7), a mandrel (8), a spacer bush (9) and a right front support (10);
one end of the upper surface of the base (4) is provided with a left front support (3), the other end of the upper surface of the base (4) is provided with a right front support (10), the left front support (3) and the right front support (10) are arranged in parallel, a rib plate (6) is arranged between the side face of the left front support (3) and the upper surface of the base (4), two ends of the outer side face of the left front support (3) are respectively provided with a jacking mechanism (5), a through hole is respectively processed at the lower parts of the side faces of the left front support (3) and the right front support (10), one end of the mandrel (8) sequentially penetrates through holes in the side face of the right front support (10) and the spacer sleeve (9) and then is inserted into the through holes in the side face of the left front support (3), a rib plate (7) is arranged between the outer side face of the right front support (10) and the upper surface of the base (4), and a rear support (2) is arranged in the middle of the long edge of the upper surface of the base (4).
2. The auxiliary tailor-welding device for the boom arm head of claim 1, wherein: the rear support (2) comprises a first cross beam (11), a second cross beam (12), a longitudinal beam (13), a support beam (14), a connecting beam (15) and two positioning stop blocks (16);
two longerons (13) parallel arrangement relatively, be equipped with crossbeam (11) between two longeron (13) side top, be equipped with No. two crossbeam (12) between two longeron (13) side middle parts, and the junction of No. two crossbeam (12) one end and one of them longeron (13) is equipped with one and fixes a position dog (16), the junction of No. two crossbeam (12) other end and another longeron (13) is equipped with another location dog (16), be equipped with one supporting beam (14) between every longeron (13) back and base (4) upper surface, and be equipped with tie-beam (15) between the side middle part of supporting beam (14) side middle part and longeron (13).
3. The auxiliary tailor-welding device for the boom arm head of claim 1, wherein: the left front bracket (3) comprises a channel steel (17), an outer reinforcing ring (18) and an inner reinforcing ring (19); an annular through hole is formed in the middle of the front face of the channel steel (17), an outer reinforcing ring (18) is arranged at one end of the annular through hole, and an inner reinforcing ring (19) is arranged at the other end of the annular through hole.
4. The auxiliary tailor-welding device for the boom arm head of claim 3, wherein: the left front bracket (3) and the right front bracket (10) have the same structure.
5. The auxiliary tailor-welding device for the boom arm head of claim 1, wherein: the base (4) comprises a panel (20), a first connecting rod (21), a second connecting rod (22) and a fixed beam (23);
two connecting rod (21) parallel arrangement relatively, and be equipped with a connecting rod (22) No. two between connecting rod (21) both ends respectively, and even being equipped with two fixed beam (23) between two connecting rod (22), the one end of panel (20) lower surface and the upper surface connection of one of them connecting rod (22), the other end of panel (20) lower surface and the upper surface connection of another connecting rod (22).
6. The auxiliary tailor-welding device for the boom arm head of claim 1, wherein: the jacking mechanism (5) comprises a hand wheel (24), a lead screw (25), a lead screw nut (26), a jacking head (27), a rotary sleeve (28) and a positioning screw (29);
be equipped with screw nut (26) on lead screw (25), the one end of screw nut (26) and the side welded fastening of channel steel (17) in left fore-stock (3), be equipped with on the one end terminal surface of lead screw (25) and revolve cover (28), and revolve the cover and be equipped with hand wheel (24) on cover (28), be equipped with on the other end terminal surface of lead screw (25) top (27), and top (27) pass through set screw (29) and the tip fixed connection of lead screw (25).
7. The auxiliary tailor-welding device for the boom arm head of claim 6, wherein: the end parts of the rotary sleeve (28) and the screw rod (25) are welded and fixed, and the inner wall of the inner hole of the hand wheel (24) and the outer surface of the rotary sleeve (28) are welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115510.8U CN218800183U (en) | 2023-01-12 | 2023-01-12 | Supplementary tailor-welding device of davit arm head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115510.8U CN218800183U (en) | 2023-01-12 | 2023-01-12 | Supplementary tailor-welding device of davit arm head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218800183U true CN218800183U (en) | 2023-04-07 |
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ID=87258242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320115510.8U Active CN218800183U (en) | 2023-01-12 | 2023-01-12 | Supplementary tailor-welding device of davit arm head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218800183U (en) |
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2023
- 2023-01-12 CN CN202320115510.8U patent/CN218800183U/en active Active
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