CN219212132U - Welding fixture for cutting head of heading machine - Google Patents
Welding fixture for cutting head of heading machine Download PDFInfo
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- CN219212132U CN219212132U CN202320235094.5U CN202320235094U CN219212132U CN 219212132 U CN219212132 U CN 219212132U CN 202320235094 U CN202320235094 U CN 202320235094U CN 219212132 U CN219212132 U CN 219212132U
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- cutting head
- mounting plate
- arc
- bottom plate
- heading machine
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- 238000005520 cutting process Methods 0.000 title claims abstract description 65
- 238000003466 welding Methods 0.000 title claims abstract description 33
- 238000012423 maintenance Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Arc Welding In General (AREA)
Abstract
The utility model discloses a welding fixture for a cutting head of a heading machine, which belongs to the technical field of maintenance auxiliary devices and comprises a bottom plate, a mounting plate and a plurality of welding heads, wherein the mounting plate is rotatably connected to the bottom plate; the rotary shaft is vertically and rotatably connected with the mounting plate, one end of the rotary shaft is coaxially connected with a positioning connecting piece, and the positioning connecting piece is used for being connected with a cutting head of the heading machine; the driving device is used for driving the rotating shaft to rotate at equal angles; and the swinging device is used for driving the mounting plate to swing along the rotation axis of the mounting plate and the bottom plate. The cutting head can freely rotate through being connected with the cutting head by the positioning connecting piece, the cutting head is not required to be fixed by using a travelling crane, personnel configuration cost is reduced, the mounting plate is driven to swing through the swinging device, and then the welding angle of the cutting head can be adjusted, so that a plurality of parts of the cutting head can be conveniently welded, in addition, the rotating shaft is driven by the driving device to rotate by a certain angle, so that tooth holder welding on the outer periphery of the cutting head is more convenient, and a welder is not required to adjust the body posture.
Description
Technical Field
The utility model relates to the technical field of maintenance auxiliary devices, in particular to a welding tool for a cutting head of a heading machine.
Background
The cutting head of the heading machine is in the shape of a truncated cone, and the tooth holder is not easy to fix when in spiral distribution welding. The conventional welding method is to hang the cutting head by a crane, then to pad a bracket on the lower part, and then to weld. The mode has poor stability, is not beneficial to rotating and adjusting the welding angle, has potential safety hazards, and cannot guarantee the welding quality. Because the azimuth and the angle of the cutting head can not be conveniently adjusted by the travelling crane, the electric welder needs to adjust the body posture to weld when welding, thereby increasing the labor intensity. According to statistics, 7 days are required for maintaining a cutting head on average, and a driving driver is occupied to frequently start driving to adjust the cutting head direction.
The development of random mechanical automation, the welding fixture is also adopted to weld and support the cutting head in the prior art, as disclosed in patent publication No. CN205927695U, the cutting head overhauling device of the heading machine comprises a supporting frame body, a supporting rod is supported on the upper layer channel steel of the supporting frame body, a sleeve matched with the inner diameter of the cutting head is fixed in the middle of the supporting rod, and the problem that the working efficiency of lifting and maintaining by using a crown block is low due to the lack of welding supporting frames of the cutting head of the heading machine at present is solved; but its simple structure still has following problem in the use:
(1) The cutting head is fixed through the sleeve matched with the inner diameter of the cutting head, and the cutting head can realize rotary fixed installation, but has a simple structure, the cutting head is required to be sleeved on the sleeve during the assembly, then the supporting rod is placed on the supporting frame body, the operation is troublesome, the cutting head can be really used for the cutting head with the middle part being a through hole, and the cutting head with the end head being a ball head cannot be used;
(2) The structure is a fixed structure, once the cutting head is assembled, the position of the cutting head cannot be adjusted according to the height and the comfort level of the posture of a person, only the rotation taking the axle center of the supporting shaft as the center can be realized, the difference of the positions when the tooth holder is welded needs to be manually adjusted to be matched with the corresponding body posture, the operation is troublesome, and the practicability of the welding tool is reduced.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides a welding tool for a cutting head of a heading machine, and provides the following technical scheme for solving the technical problems:
the utility model provides: the utility model provides a welding frock of entry driving machine cutting head, includes the bottom plate, still includes:
the mounting plate is rotationally connected to the bottom plate;
the rotary shaft is vertically and rotatably connected with the mounting plate, one end of the rotary shaft is coaxially connected with a positioning connecting piece, and the positioning connecting piece is used for being connected with a cutting head of the heading machine;
the driving device is used for driving the rotating shaft to rotate at equal angles;
and the swinging device is used for driving the mounting plate to swing along the rotation axis of the mounting plate and the bottom plate.
Preferably, the swinging device includes:
the swing arm is fixedly connected with the mounting plate, and the lower end of the swing arm is hinged with the bottom plate;
the movable seat is hinged to the bottom plate;
the telescopic element is arranged on the movable seat, a movable part is connected to the telescopic element in a driving way, and the movable part is hinged with the swing arm.
Preferably, the telescopic element is a hydraulic cylinder, and a telescopic rod of the hydraulic cylinder is hinged with the swing arm.
Preferably, the driving device includes:
the cylinder is arranged on one side of the mounting plate, and a cylinder rod of the cylinder is connected with a movable block;
the toggle rod is vertically and slidably arranged on the movable block in a penetrating manner, and an arc-shaped section is arranged at the lower end of the toggle rod;
the rotating part is fixedly sleeved at the other end of the rotating shaft, a plurality of arc-shaped blocks are arranged on the periphery of the rotating part along the axial array of the rotating part, the upper surface of each arc-shaped block is provided with an arc-shaped surface and a vertical surface, and the vertical surfaces of the arc-shaped blocks are matched with the arc-shaped section of the poking rod.
Preferably, the upper end of the poking rod is fixedly connected with a limiting block, a tension spring is sleeved on the poking rod, and two ends of the tension spring are fixedly connected with the limiting block and the movable block respectively.
Compared with the prior art, the utility model has the beneficial effects that: the cutting head can freely rotate through being connected with the cutting head by the positioning connecting piece, the cutting head is not required to be fixed by using a travelling crane, personnel configuration cost is reduced, the mounting plate is driven to swing through the swinging device, and then the welding angle of the cutting head can be adjusted, so that a plurality of parts of the cutting head can be conveniently welded, in addition, the rotating shaft is driven by the driving device to rotate by a certain angle, so that tooth holder welding on the outer periphery of the cutting head is more convenient, and a welder is not required to adjust the body posture.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic structural view of a welding fixture for a heading machine cutting head;
FIG. 2 is a schematic view of a bottom view angle structure of a welding fixture of a heading machine cutting head;
fig. 3 is an enlarged schematic view of a partial structure at a in fig. 2.
Fig. 4 is a schematic structural view of the positioning connector of the present utility model in a stepped shaft structure.
In the figure: the device comprises a 1-bottom plate, a 2-positioning connecting piece, a 3-mounting plate, a 4-cylinder, a 5-tension spring, a 6-swing arm, a 7-movable part, an 8-hydraulic cylinder, a 9-movable seat, a 10-rotating part, a 11-limiting block, a 12-movable block, a 13-toggle rod, a 14-arc block, a 15-step shaft body, a 16-connecting plate and a 17-connecting fixing hole.
Detailed Description
The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.
As shown in fig. 1-4;
the embodiment provides a technical scheme: the utility model provides a welding frock of entry driving machine cutting head, including bottom plate 1, articulated a swing arm 6 through the round pin axle on the bottom plate 1, make swing arm 6 can swing at longitudinal circumference, in addition the upper end welding of swing arm 6 mounting panel 3, and then make mounting panel 3 can rotate and connect in bottom plate 1, install the bearing on the mounting panel 3, the rotation axis is installed to the interlude on the bearing, the one end coaxial coupling locating connection piece 2 of rotation axis departure mounting panel 3, locating connection piece 2 is connected with the installation site of cutting head, when hoisting the cutting head, use driving or other lifting means to hoist the cutting head at first, make the cutting head can be connected with locating connection piece 2;
specifically, if the middle part of the cutting head is a through hole, the positioning connecting piece is a shaft body structure penetrating through the through hole, the end part of the shaft body is provided with a connecting plate for installing a pressing plate, and the cutting head is pressed and fixed on the positioning connecting piece through the pressing plate; if the middle part of the cutting head is provided with a structure for installing a counter bore, the positioning connecting piece can be a step shaft body 15, the front end part of the step shaft body 15 is matched with the step inner hole of the cutting head, the rear end of the step shaft body is provided with a connecting plate 16 fixedly connected with the installation hole of the rear end part of the cutting head, and the circumference position of the connecting plate 16 is provided with connecting fixing holes 17 which are connected in a plug-in mounting and bolt reinforcing mode.
After the cutting head is installed in place, the cutting head needs to be kept fixed, so that a welder can weld a tooth holder on the cutting head, therefore, in the embodiment, a movable holder 9 is hinged on a bottom plate 1 through a pin shaft, the movable holder 9 is connected with a hydraulic cylinder 8 in a screw mode, a telescopic rod of the hydraulic cylinder 8 is welded or in threaded connection with a movable part 7, the movable part 7 is welded on a swinging arm 6, and further, when the telescopic rod of the hydraulic cylinder 8 stretches, the swinging arm 6 can be synchronously driven to correspondingly swing, so that the height and welding angle of the cutting head can be timely adjusted, and further, the welder can conveniently weld the tooth holder on the cutting head;
because the toothholder on the cutterhead is welded on the circumference of the cutterhead according to a spiral track, and a plurality of toothholders are equidistant welded, so the cutterhead is required to rotate according to a fixed angle, in this embodiment, through the fixed cover rotating part 10 of the other end at the rotation axis, the circumference of the rotating part 10 rotating part is equipped with a plurality of arc blocks 14 along its axial array, the upper surface of the arc blocks 14 has arc surfaces and vertical surfaces, and the radial outside of vertical surfaces towards the rotating part, a cylinder 4 is horizontally installed on one side of the mounting plate 3, and the cylinder rod of the cylinder 4 is connected with a movable block 12, a poking rod 13 with a rectangular cross section is vertically and slidably arranged on the movable block 12, an arc section is arranged at the lower end of the poking rod 13, the arc section is matched with the vertical surfaces of the arc blocks 14, when the rotating part 10 is required to be driven to rotate by a certain angle, the arc section of the cylinder is firstly elongated, the poking rod 13 is in contact with the arc surfaces of the arc blocks 14, and the poking rod 13 is small in sliding contact with the arc surfaces of the arc blocks, and the poking rod 13 is then moved towards the radial outside of the rotating part, the rotating shaft 13 is prevented from being contacted with the rotating shaft 13, and then the rotating shaft is prevented from moving the rotating shaft 13, and the rotating shaft is prevented from moving reversely, and the rotating shaft 13 is prevented from contacting with the rotating shaft 13.
Because when the arc section on the poking rod 13 breaks away from the arc surface contact with the arc block, the poking rod 13 needs to move downwards rapidly, in the embodiment, through welding a limiting block 11 at the upper end of the poking rod 13, the tension spring 5 is sleeved on the poking rod 13, two ends of the tension spring 5 are fixedly connected to the limiting block 11 and the movable block 12 respectively, and the poking rod 13 can move downwards rapidly through the pulling of the tension spring to the limiting block, so that the side wall of the poking rod 13 contacts with the vertical surface of the arc block.
When the tool with the structure is manufactured, the frame can be manufactured by 12H-shaped steel, 20mm steel plates and the like, the cutting head is connected and fixed on the rotating mechanism at the front part of the device through the tool by bolts, and the device can rotate and stretch out and draw back. The position of the cutting head can be adjusted by lifting the hydraulic jack according to the operation convenience of a welder; simultaneously, the rotating shaft for fixing the cutting head is utilized, and after one face of the cutting head is welded, the other face of the cutting head can be welded by rotating the device. So that the operator can work in the safest and convenient environment. The device not only improves the welding quality and reduces the labor intensity, but also can improve the whole working efficiency to a great extent and eliminate the potential safety hazard in the working process.
The tool can greatly reduce labor intensity, shorten construction period to 3 days, eliminate potential safety hazards in hoisting operation and save investment of one driving driver and two slings. The processing cost is low. The labor intensity is reduced, and the construction progress is quickened.
And (3) manual work: 30× (7-3)/(30×4200+30×7 ≡30×4200=46200 yuan per year for maintenance of 30 heading machines.
Lifting appliance: 9000×2=18000 yuan.
Driving electric charge: about 15000 yuan.
Purchase special tool table: 12 ten thousand yuan.
Safety benefit: the tool can effectively avoid potential safety hazards in the traditional welding process, ensure the safety of welding production, and obviously show very good safety benefits.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. The utility model provides a welding frock of entry driving machine cutting head, includes bottom plate (1), its characterized in that still includes:
the mounting plate (3) is rotatably connected to the bottom plate (1);
the rotary shaft is vertically and rotatably connected with the mounting plate (3), one end of the rotary shaft is coaxially connected with a positioning connecting piece (2), and the positioning connecting piece (2) is used for being connected with a cutting head of the heading machine;
the driving device is used for driving the rotating shaft to rotate at equal angles;
and the swinging device is used for driving the mounting plate (3) to swing along the rotation axis of the bottom plate (1).
2. A welding fixture for a heading machine cutting head as defined in claim 1, wherein said swinging means comprises:
a swing arm (6) fixedly connected to the mounting plate (3), and the lower end of the swing arm is hinged to the bottom plate (1);
a movable seat (9) hinged to the bottom plate (1);
the telescopic element is arranged on the movable seat (9), and a movable part (7) is connected to the telescopic element in a driving way, and the movable part (7) is hinged with the swing arm (6).
3. A welding fixture for a heading machine cutting head as claimed in claim 2, characterised in that the telescopic element is a hydraulic cylinder (8), the telescopic rod of the hydraulic cylinder (8) being hinged to the swing arm (6).
4. A welding fixture for a heading machine cutterhead as defined in claim 1 wherein said drive means includes:
the air cylinder (4) is arranged on one side of the mounting plate (3), and a movable block (12) is connected to an air cylinder rod of the air cylinder (4);
the toggle rod (13) is vertically and slidably arranged on the movable block (12), and an arc-shaped section is arranged at the lower end of the toggle rod (13);
the rotating part (10) is fixedly sleeved at the other end of the rotating shaft, a plurality of arc-shaped blocks (14) are arranged on the periphery of the rotating part (10) along the axial array of the rotating part, the upper surface of each arc-shaped block (14) is provided with an arc-shaped surface and a vertical surface, and the vertical surfaces of the arc-shaped blocks (14) are matched with the arc-shaped section of the poking rod (13).
5. The welding fixture for the cutting head of the heading machine according to claim 4, wherein a limiting block (11) is fixedly connected to the upper end of the poking rod (13), a tension spring (5) is sleeved on the poking rod (13), and two ends of the tension spring (5) are fixedly connected to the limiting block (11) and the movable block (12) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320235094.5U CN219212132U (en) | 2023-02-17 | 2023-02-17 | Welding fixture for cutting head of heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320235094.5U CN219212132U (en) | 2023-02-17 | 2023-02-17 | Welding fixture for cutting head of heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219212132U true CN219212132U (en) | 2023-06-20 |
Family
ID=86748272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320235094.5U Active CN219212132U (en) | 2023-02-17 | 2023-02-17 | Welding fixture for cutting head of heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219212132U (en) |
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2023
- 2023-02-17 CN CN202320235094.5U patent/CN219212132U/en active Active
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