CN219767142U - Reamer body assembling and reamer seat positioning welding device of dredger - Google Patents
Reamer body assembling and reamer seat positioning welding device of dredger Download PDFInfo
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- CN219767142U CN219767142U CN202320374079.9U CN202320374079U CN219767142U CN 219767142 U CN219767142 U CN 219767142U CN 202320374079 U CN202320374079 U CN 202320374079U CN 219767142 U CN219767142 U CN 219767142U
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- 238000003466 welding Methods 0.000 title claims abstract description 37
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 2
- 230000036339 tooth positioning Effects 0.000 abstract 4
- 238000010276 construction Methods 0.000 description 2
- 241000669069 Chrysomphalus aonidum Species 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The reamer body assembling and reamer seat positioning and welding device for dredger includes one support frame with center connected to the bottom of the rotating bracket and top connected movably to the positioning template; when the cutter is used, the reamer ring is placed on the support frame, the replaceable supporting plate is adjusted to a set distance, the reamer hub is lifted and placed on the replaceable supporting plate, the reamer arm is lifted and fixed to a proper position through spot welding, the positioning template is installed and fixed, the cutter seat/cutter tooth positioning assembly is lifted and fixed to a proper position, the installation position is determined by utilizing the tooth positioning round table on the tooth positioning template, the cutter seat/cutter tooth positioning assembly is fixed on the reamer arm through spot welding, and the operation is repeated until the cutter assembly welding is completed; the utility model solves the problems of more equipment, incapability of on-site repair, time and labor waste and low safety in the existing reamer production process by redesigning the structure and adopting the reamer assembly welding and positioning device of the dredger, which consists of the supporting frame, the rotating bracket and the positioning template.
Description
Technical Field
The utility model belongs to the technical field of welding devices, and particularly relates to a reamer body assembly and reamer seat positioning and welding device of a dredger.
Background
The reamer is a main working part of the cutter suction dredger for crushing the medium to be dredged at the sea bottom/river bottom, and is mainly formed by welding a reamer hub, reamer rings and 5-6 reamer arms which are uniformly distributed, wherein a plurality of reamer seats/reamer tooth assemblies are sequentially arranged and welded on each reamer arm according to a certain three-dimensional space orientation, the reamer teeth are generally movably sleeved on the reamer seats, and the space orientation determines the excavating capacity and the excavating efficiency of the reamer.
The common reamer assembling and manufacturing process mainly comprises 2 steps, namely the first step: and assembling and welding the reamer body. Placing the reamer ring on a platform with a preset level, lifting the reamer hub to a set distance from the upper end surface of the reamer ring by using a welding tool, adjusting the reamer hub to be concentric with the reamer ring, and welding the reamer arm with the reamer hub and the reamer ring respectively according to a reserved butt joint position on the reamer hub, so that the reamer hub, the reamer ring and the reamer arm are connected into a whole; and a second step of: and positioning and welding the cutter holder. And (3) placing the reamer body which is assembled and welded in the first step on a platform with the level adjusted in advance, aligning the assembly of the reamer seat and the reamer teeth according to the designed three-dimensional space direction by utilizing a positioning tool, and sequentially arranging and welding the assembly on the reamer arm.
The production process has the following problems: (1) The assembly welding and the positioning of the reamer are all completed on a large platform, and the assembly welding and the positioning precision are ensured by means of specific tools, so that more tool equipment is required; (2) When the cutter holder is worn for a period of time and needs to be replaced, the cutter holder cannot be repaired on a dredger or on a construction site, and can only be returned to a factory to be welded by using a platform and a positioning tool in a repositioning way, so that time and labor are wasted; (3) The reamer body is required to be lifted in the manufacturing process to replace the positioning tool required in the second step, and the tool and the platform are inevitably impacted and damaged in the lifting and falling processes due to the fact that the weight of the reamer is large (the existing maximum reamer weighs about 30 tons), so that the service lives of the tool and the platform are influenced, and the safety is low.
Disclosure of Invention
In order to overcome the drawbacks of the prior art, the present utility model is directed to a reamer body assembly and reamer seat positioning and welding device for a dredger, which comprises a support frame, a rotating bracket and a positioning template ， Solves the problems of more equipment, incapability of on-site repair, time and labor waste and low safety in the existing reamer production process.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the reamer body assembling and reamer seat positioning welding device of the dredger comprises a supporting frame 1, wherein the center of the supporting frame 1 is connected with the bottom of a rotary bracket 2, and the top of the rotary bracket 2 is movably connected with a positioning template 3; the support frame 1 comprises a cross bracket 11, a threaded sleeve 14 is arranged in the center of the cross bracket 11, a vertical plate 15 is arranged in the middle of an arm of the cross bracket 11, an upper support flat plate 12 is arranged at the top of an arm end of the cross bracket 11, and a lower support flat plate 13 is arranged at the bottom of the arm end of the cross bracket 11; the rotary bracket 2 comprises a threaded bracket cylinder 21 arranged in a threaded sleeve 14, a thrust bearing 24 is arranged in the top of the threaded bracket cylinder 21, a fixed supporting plate 22 is arranged at the top of the thrust bearing 24, and a replaceable supporting plate 23 is arranged at the top of the fixed supporting plate 22; the positioning template 3 comprises a vertical rod 31 which is matched with the fixed supporting plate 22, the top of the vertical rod 31 is connected with the bottom of a cross rod 32, the top of one end of the cross rod 32 is provided with a counterweight body 33, the bottom of the other end of the cross rod 32 is connected with the top of a tooth aligning template 34, and a plurality of tooth aligning positioning round tables 34-1 are arranged at the edge of one side of the tooth aligning template 34.
The upper support plate 12 and the lower support plate 13 are parallel to each other.
The upper surface of the upper support plate 12 is provided with a plurality of groups of circular arc scale lines 12-1 concentric with the center of the thread bush 14 or the cross bracket 11.
The lower support plate 13 is provided with a plurality of horizontal adjusting bolts 13-1.
The vertical plate 15 is provided with a concentric adjusting bolt 15-1.
The cross bars 32 and the vertical bars 31 are distributed in a T shape.
The counterweight body 33 is composed of a plurality of groups of counterweight blocks 33-1.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model can complete the assembly and welding of the reamer on a dredger or a non-horizontal plane such as a construction site under the condition of not returning to a factory and not utilizing a specific platform by arranging the support frame 1.
2. The utility model provides a supporting function for the reamer hub 5 by arranging the rotary bracket 2, and can better position and adjust the position of the reamer hub 5.
3. The positioning template 3 is configured, so that the cutter seat and the cutter teeth can be positioned and welded more conveniently, and the positioning template 3 is convenient to detach and replace in a movable connection mode.
4. According to the utility model, the upper support plate 12 and the lower support plate 13 are arranged at the arm end of the cross bracket 11, and the plurality of horizontal adjusting bolts 13-1 are arranged on the lower support plate 13, so that the upper support plate 12 can be adjusted to the same horizontal plane by adjusting the horizontal adjusting bolts 13-1, and the reamer ring 4 can be kept horizontal.
5. The present utility model makes it possible to make the reamer ring 4 more easily positioned and kept concentric with the reamer hub 5 by describing a plurality of sets of circular arc graduation marks 12-1 concentric with the center of the screw bush 14 or the cross bracket 11 on the upper surface of the upper support plate 12.
6. The utility model can better fix the position of the reamer ring 4 by arranging the vertical plate 15 in the middle of the arm of the cross bracket 11 and matching with the concentric adjusting bolt 15-1.
7. The interchangeable blade 23 and tooth alignment template 34 of the present utility model can be interchanged with different reamer types.
8. The counterweight body 33 is composed of a plurality of groups of counterweight blocks 33-1, and the moment of the counterweight body 33 and the moment of the tooth aligning template 34 can be balanced by adjusting the number of the counterweight blocks 33-1, so that the stability of the structure of the utility model is ensured.
9. The utility model adopts the dredger reamer assembly welding and positioning device composed of the support frame 1, the rotary bracket 2 and the positioning template 3 through redesigning the structure, can be operated without a special platform, is suitable for new reamer production and on-site repair of old reamer, can realize multiple functions of assembly welding, positioning and the like by one set of tool, reduces the number of reamer lifting, has adjustable mounting height, can replace the supporting plate and the tooth alignment template according to different reamer, has strong universality, saves time and labor, and is safe and reliable.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic view of the working state of the present utility model.
Fig. 3 is a partial sectional view of the working state of the present utility model.
Fig. 4 is a partial schematic view of the alignment of the reamer mount/positioning reamer teeth 7 with the positioning template 3 of the present utility model.
In the figure: 1. the device comprises a support frame, 2, a rotating bracket, 3, a positioning sample plate, 4, a reamer ring, 5, a reamer hub, 6, a reamer arm, 7, a reamer holder/positioning reamer tooth, 11, a cross bracket, 12, an upper support plate, 13, a lower support plate, 14, a threaded sleeve, 15, a vertical plate, 12-1, a circular arc scale mark, 13-1, a horizontal adjusting bolt, 14-1, a locking bolt, 15-1, a concentric adjusting bolt, 21, a threaded bracket cylinder, 22, a fixed support plate, 23, a replaceable support plate, 24, a thrust bearing, 23-1, a connecting bolt, 24-1, a thrust bearing loose ring, 24-2, a thrust bearing tight ring, 24-3, a set screw, 31, a vertical rod, 32, a cross rod, 33, a counterweight body, 34, a tooth aligning sample plate, 33-1, a counterweight, 33-2, a bolt, 34-1, a tooth aligning round platform, 34-2 and a connecting bolt.
Detailed Description
The structural and operational principles of the present utility model will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the reamer body assembling and reamer seat positioning welding device of the dredger comprises a supporting frame 1, the center of the supporting frame 1 is connected with the bottom of a rotary bracket 2, the top of the rotary bracket 2 is movably connected with a positioning template 3, the reamer assembling and welding and positioning device of the dredger, which is composed of the supporting frame 1, the rotary bracket 2 and the positioning template 3, can be operated without a special platform, is suitable for new reamer production and field repair of old reamer, can realize multiple functions such as assembly welding and positioning, reduces reamer lifting times, has adjustable mounting height, can be replaced according to different reamer, and has strong universality, time and labor saving, safety and reliability.
The support frame 1 comprises a cross bracket 11, a threaded sleeve 14 is arranged at the center of the cross bracket 11, a locking bolt 14-1 is arranged at the outer circle of the threaded sleeve 14, a vertical plate 15 is arranged in the middle of an arm of the cross bracket 11, a concentric adjusting bolt 15-1 is arranged on the vertical plate 15, an upper supporting flat plate 12 is arranged at the top of an arm end of the cross bracket 11, a lower supporting flat plate 13 is arranged at the bottom of the arm end of the cross bracket 11, a plurality of horizontal adjusting bolts 13-1 are arranged on the lower supporting flat plate 13, the upper supporting flat plate 12 and the lower supporting flat plate 13 are arranged at the end of the cross bracket 11, and a plurality of horizontal adjusting bolts 13-1 are arranged on the lower supporting flat plate 13, and the upper supporting flat plate 12 can be adjusted to be on the same horizontal plane by adjusting the horizontal adjusting bolts 13-1, so that the reamer ring 4 can be kept horizontal; by arranging the vertical plate 15 in the middle of the arm of the cross bracket 11 and cooperating with the concentric adjusting bolt 15-1, the position of the reamer ring 4 can be better fixed.
The upper surface of the upper support plate 12 is marked with a plurality of sets of circular scale marks 12-1 concentric with the center of the thread bush 14 or the cross bracket 11, so that the reamer ring 4 can be positioned more easily and kept concentric with the reamer hub 5.
The positioning template 3 comprises a vertical rod 31 matched with the fixed supporting plate 22, the top of the vertical rod 31 is connected with the bottom of a cross rod 32, the top of one end of the cross rod 32 is provided with a counterweight 33, and the bottom of the other end of the cross rod 32 is connected with the top of a tooth aligning template 34 through a connecting bolt 34-2. The positioning template 3 is configured, so that the cutter seat and the cutter teeth can be positioned and welded more conveniently, and the positioning template 3 is convenient to detach and replace due to the movable connection mode of the rotary bracket 2 and the positioning template 3.
The counterweight body 33 is composed of a plurality of groups of counterweights 33-1, the counterweights 33-1 are arranged at one end of the cross rod through connecting bolts 33-2, and the moment of the counterweight body 33 is balanced with the moment of the tooth aligning template 34 through adjusting the number of the counterweights 33-1, so that the stability of the structure of the utility model is ensured.
Referring to fig. 3, the rotary bracket 2 includes a screw bracket cylinder 21 disposed in the screw sleeve 14, a thrust bearing 24 is disposed in the top of the screw bracket cylinder 21, wherein a thrust bearing tightening ring 24-2 is fixed in the screw bracket cylinder 21, a thrust bearing loosening ring 24-1 is spaced from the inner wall of the screw bracket cylinder 21, a fixing support plate 22 is fastened on the thrust bearing loosening ring 24-1, a replaceable support plate 23 is provided with a spigot step matched with a spigot at the lower end of the reamer hub, and is integrally connected with the fixing support plate 22 through a connecting bolt 23-1, a fastening screw 24-3 is used for locking the thrust bearing loosening ring 24-1, and the replaceable support plate 23 can be replaced according to different reamers.
Referring to fig. 4, a plurality of tooth aligning positioning round tables 34-1 are arranged at the edge of one side of the tooth aligning template 34, and the tooth aligning template 34 can be replaced according to different reamer.
The working principle of the utility model is as follows:
1. firstly, placing the device on a hard plane, and then, adjusting the upper support flat plate 12 to the same horizontal plane by utilizing a horizontal adjusting bolt 13-1;
2. placing the reamer ring 4 on the upper support flat plate 12, and adjusting the concentric adjusting bolt 15-1 by referring to the concentric scale marks 12-1 on the upper surface of the upper support flat plate 12 so that the center of the reamer ring 4 is concentric with the center of the thread bush 14;
3. rotating the screw bracket cylinder 21 of the rotary bracket 2, adjusting the distance between the upper surface of the replaceable supporting plate 23 and the upper surface of the reamer ring to a set distance, and locking the bolt 14-1;
4. the lifting reamer hub 5 is placed on the replaceable supporting plate 23, so that the inner spigot of the reamer hub 5 is well matched with the spigot of the replaceable supporting plate 23, the reamer hub 5 and the reamer ring 4 are concentric, and the set screw 24-3 is locked;
5. hoisting the reamer arm 6 to align the end part of the reamer arm 6 with the installation position of the reamer arm 6 reserved on the reamer hub 5, and placing the bottom part of the reamer arm on the upper surface of the reamer ring 4 for spot welding and fixing; hoisting the rest cutter arms 6, sequentially aligning the rest cutter arms 6 on the cutter hub 5, and welding all welding seams after spot welding and fixing;
6. after the reamer body is welded, a vertical rod 31 in a positioning template 3 is inserted into a central screw hole of a fixed supporting plate 22 in a rotating way, a tooth aligning template 34 corresponding to a reamer arm 6 for installing a reamer seat/positioning a reamer tooth 7 is installed at one end of a cross rod 32, and the number of balancing weights 33-1 is adjusted so that the moment of the balancing weight body 33 is balanced with the moment of the tooth aligning template 34; loosening the locking bolt 14-1 and rotating the threaded bracket cylinder 21 in the opposite direction so that the replaceable support plate 23 no longer cooperates with the reamer hub 6 and bears the weight;
7. hoisting the cutter seat/positioning cutter tooth 7 assembly to the vicinity of the installation position of the cutter arm 6, loosening the set screw 24-3, rotating the positioning template 3, adjusting the orientation of the cutter seat/positioning cutter tooth 7, enabling a positioning round table carried on the cutter seat/positioning cutter tooth 7 to be aligned with the outer edge of a corresponding tooth alignment round table 34-1 on the tooth alignment template 34, attaching the cutter seat/positioning cutter tooth 7 to the plane, simultaneously ensuring that the tail of the cutter seat/positioning cutter tooth 7 is abutted against the cutter arm 6, ensuring the space installation orientation of the cutter seat/positioning cutter tooth 7, locking the set screw 24-3, and spot-welding the cutter seat/positioning cutter tooth 7 on the cutter arm 6;
8. disassembling the installed reamer seat/positioning cutter teeth 7 from the tooth aligning positioning round table 34-1, installing a new reamer seat/positioning cutter teeth 7 on the next tooth aligning positioning round table 34-1, repeating the step 7, and sequentially installing and positioning the rest reamer seats/positioning cutter teeth 7 until all the reamer seats/positioning cutter teeth 7 on one reamer arm 6 are positioned;
9. and (3) replacing the tooth aligning template 34 required by the other reamer arm 6, and repeating the steps 6-8 until the reamer seats/positioning reamer teeth 7 on all the reamer arms 6 are positioned and welded firmly.
Claims (7)
1. The utility model provides a dredger reamer body equipment and reamer seat fixed-position welding device, includes support frame (1), the center of support frame (1) is connected with the bottom of rotatory bracket (2), the top swing joint of rotatory bracket (2) has positioning template (3), a serial communication port, support frame (1) are including cross bracket (11), screw thread bush (14) are disposed at the center of cross bracket (11), riser (15) are disposed at the arm middle part of cross bracket (11), upper support flat (12) are disposed at the top of cross bracket (11) arm end, lower support flat (13) are disposed at the bottom of cross bracket (11) arm end; the rotary bracket (2) comprises a threaded bracket cylinder (21) arranged in a threaded sleeve (14), a thrust bearing (24) is arranged in the top of the threaded bracket cylinder (21), a fixed supporting plate (22) is arranged at the top of the thrust bearing (24), and a replaceable supporting plate (23) is arranged at the top of the fixed supporting plate (22); the positioning template (3) comprises a vertical rod (31) which is matched with the fixed supporting plate (22), the top of the vertical rod (31) is connected with the bottom of the cross rod (32), the top of one end of the cross rod (32) is provided with a counterweight body (33), the bottom of the other end of the cross rod (32) is connected with the top of the tooth alignment template (34), and a plurality of tooth alignment positioning round tables (34-1) are arranged at the edge of one side of the tooth alignment template (34).
2. A dredger reamer body assembly and reamer seat positioning welding device according to claim 1, characterized in that the upper support plate (12) and the lower support plate (13) are parallel to each other.
3. The reamer body assembling and reamer seat positioning welding device of the dredger according to claim 1, wherein a plurality of groups of circular arc graduation marks (12-1) concentric with the center of the thread bush (14) or the cross bracket (11) are carved on the upper surface of the upper supporting flat plate (12).
4. The reamer body assembly and seat positioning welding device of the dredger according to claim 1, wherein a plurality of horizontal adjusting bolts (13-1) are arranged on the lower supporting plate (13).
5. The reamer body assembly and reamer seat positioning and welding device of the dredger according to claim 1, wherein the vertical plate (15) is provided with a concentric adjusting bolt (15-1).
6. The reamer body assembly and reamer seat positioning and welding device of claim 1, wherein the cross bars (32) and the vertical bars (31) are distributed in a T shape.
7. The reamer body assembly and reamer seat positioning and welding device of the dredger according to claim 1, wherein the weight body (33) is composed of a plurality of groups of weight blocks (33-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320374079.9U CN219767142U (en) | 2023-03-03 | 2023-03-03 | Reamer body assembling and reamer seat positioning welding device of dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320374079.9U CN219767142U (en) | 2023-03-03 | 2023-03-03 | Reamer body assembling and reamer seat positioning welding device of dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219767142U true CN219767142U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320374079.9U Active CN219767142U (en) | 2023-03-03 | 2023-03-03 | Reamer body assembling and reamer seat positioning welding device of dredger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219767142U (en) |
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2023
- 2023-03-03 CN CN202320374079.9U patent/CN219767142U/en active Active
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