CN119457669A - Telescopic arm support ear welding positioning tool and positioning method - Google Patents
Telescopic arm support ear welding positioning tool and positioning method Download PDFInfo
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- CN119457669A CN119457669A CN202510035885.7A CN202510035885A CN119457669A CN 119457669 A CN119457669 A CN 119457669A CN 202510035885 A CN202510035885 A CN 202510035885A CN 119457669 A CN119457669 A CN 119457669A
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- lugs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
A welding positioning tool and a positioning method for support lugs of telescopic arms belong to the technical field of welding tools, the tool comprises a mounting plate, a clamping assembly comprises a lifting track, clamping jaws are respectively arranged at two ends of the lifting track in a sliding mode, a connecting assembly comprises a sleeve and two sliding blocks, the sliding blocks are vertically provided with extension rods, worm wheels are coaxially arranged at the rear ends of the two extension rods, the front ends of the extension rods are used for connecting the support lugs, telescopic rods are coaxially arranged at two ends of the sleeve in a penetrating mode respectively, the circumferential opposite positions between the telescopic rods and the sleeve are kept fixed, worm shafts are coaxially arranged at the tail ends of the telescopic rods, the worm shafts are respectively meshed with the worm wheels at two sides, and the rotation directions of spiral lines of the two worm shafts are opposite. The positioning method comprises the steps of S1, tool positioning, S2, connecting lugs and S3, adjusting lug positions. The support lugs that this scheme can be used to symmetry setting on the flexible arm fix a position, have higher positioning accuracy and more convenient operation mode, and can adapt to the flexible arm of different model sizes and use.
Description
Technical Field
The invention belongs to the technical field of welding tools for telescopic arm parts of engineering machinery, and particularly relates to a welding positioning tool and a positioning method for a telescopic arm lug.
Background
The telescopic arm of the common engineering machinery mainly comprises a circular pipe structure and a square pipe structure. Engineering machinery such as rock drill, drilling machine, roof bolter, in order to guarantee the stationarity that flexible arm left and right sides supported, can adopt the structural design as shown in fig. 1 generally, set up symmetrical structure's journal stirrup in the both sides of flexible arm bottom, be used for connecting the pneumatic cylinder respectively, through setting up the pneumatic cylinder in the both sides symmetry of flexible arm, just can effectively prevent flexible arm to incline about to improve the stability of flexible arm during operation.
The support lugs in the structure are fixed on the telescopic arms in a welding mode, so that the accuracy of the relative positions of the support lugs at two sides is guaranteed, the symmetry of the support lugs at two sides is especially guaranteed, special welding positioning tools are manufactured for the telescopic arms with different models and sizes at present, the tools are fixed by taking the ground as a support, the telescopic arms are hoisted to the positioning tools by lifting equipment during welding, and then the telescopic arms and the support lugs are welded in a positioning mode. The number of the manufactured positioning tools is large, so that the manufacturing cost of the tools is increased, a large number of space arrangement tools are occupied, the tools can be completed by means of lifting equipment during use, and the use convenience is poor.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides the welding positioning tool and the positioning method for the support lugs of the telescopic arms, which can be used for positioning the support lugs symmetrically arranged on the telescopic arms, have a more convenient operation mode, and can be suitable for telescopic arms with different models and sizes.
In order to achieve the object of the invention, the following scheme is adopted:
a welding positioning tool for a telescopic arm support lug comprises a mounting plate, a clamping assembly and a connecting assembly.
The mounting plate is of a flat plate structure;
the clamping assembly comprises lifting rails which are arranged on the back of the mounting plate in parallel, the lifting rails are arranged in a moving mode along the height direction of the mounting plate, clamping claws are respectively arranged at two ends of the lifting rails in a sliding mode, the two clamping claws take the middle point of the mounting plate as a reference and synchronously move towards the two ends or the middle of the lifting rails, and the clamping claws are located below the mounting plate;
The connecting assembly comprises two sliding blocks which are arranged on the front surface of the mounting plate, the two sliding blocks synchronously move towards the two ends or the middle of the mounting plate by taking the middle point of the mounting plate as a reference, the sliding blocks are vertically provided with extension rods, the extension rods are rotatably arranged around the axis, the rear ends of the two extension rods are coaxially provided with worm wheels, the front ends of the extension rods are used for connecting lugs, the connecting assembly further comprises a sleeve which is arranged on the middle part of the front surface of the mounting plate and is parallel to the length direction of the mounting plate, the two ends of the sleeve are respectively coaxially provided with telescopic rods in a penetrating manner, the circumferential relative positions between the telescopic rods and the sleeve are kept fixed, the tail ends of the telescopic rods are coaxially provided with worms, the worms are respectively meshed with the worm wheels on the two sides, the rotation directions of the two worm spiral lines are opposite, and the sleeve is rotatably arranged around the axis.
The welding positioning method of the telescopic boom lugs is realized by using the welding positioning tool of the telescopic boom lugs, and comprises the following steps of S1, positioning the tool, S2, connecting lugs, and S3, adjusting the positions of the lugs.
The tool has the advantages that the tool can be connected with telescopic arms with different models and different cross-sectional shapes, the postures of the lugs can be adjusted at multiple angles, the symmetry angles of lugs on two sides of the telescopic arms are ensured, the tool can adapt to positioning work of lugs on the telescopic arms with different models and sizes, and the tool is convenient to operate.
Drawings
The drawings described herein are for illustration of selected embodiments only and not all possible implementations, and are not intended to limit the scope of the invention.
Fig. 1 shows a telescopic arm and its arrangement with lugs.
Fig. 2 shows a schematic structural diagram of a preferred embodiment of the present application.
Fig. 3 shows a schematic view of a telescopic arm of rectangular tube structure using the positioning lugs of the present application.
Fig. 4 shows a schematic view of a telescoping arm of a round tube construction using the positioning lugs of the present application.
Fig. 5 shows a schematic view of a preferred construction of the extension rod.
Fig. 6 shows an exploded view of one preferred construction of the extension pole.
Fig. 7 shows a partial cross-sectional view of one preferred construction of the extension rod with the inner stay folded.
Figure 8 shows a partial cross-sectional view of one preferred construction of the extension rod with the inner strut deployed.
The drawing shows that the mounting plate-1, the side stay bar-11, the guide rod-12, the slide bar-13, the hinge block-14, the connecting rod-15, the locking screw-16, the clamping component-2, the lifting track-21, the claw-22, the V-shaped block-221, the adjusting screw rod-23, the sliding block-24, the bidirectional screw rod-25, the connecting component-3, the sliding block-31, the extension rod-32, the worm wheel-321, the counter bore-322, the through hole-323, the sleeve-33, the worm wheel sleeve-331, the telescopic rod-34, the worm-341, the worm shaft-35, the pressing block-36, the first inclined surface-361, the adjusting screw rod-37, the inner stay plate-38, the rectangular block-381, the avoidance groove-382, the second inclined surface-383, the contraction spring-39, the conical block-4 and the connecting screw rod-41.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, but the described embodiments of the present invention are some, but not all embodiments of the present invention.
As shown in fig. 2 to 3, a welding positioning tool for a support lug of a telescopic arm includes:
specifically, the mounting plate 1 of a flat plate structure is included.
Specifically including, as shown in fig. 4, clamping assembly 2, including locating the lift track 21 at the mounting panel 1 back parallelly, lift track 21 moves along the direction of height of mounting panel 1 and sets up, the both ends of lift track 21 slide respectively and are equipped with jack catch 22, and two jack catch 22 regard the midpoint of mounting panel 1 as the benchmark, synchronous the removal towards the both ends or the centre of lift track 21, jack catch 22 is located the below of mounting panel 1, slide through lift track 21 and set up, the relative both sides of usable two jack catch 22 centre gripping telescopic boom to fix mounting panel 1 on the telescopic boom, also usable slip makes jack catch 22 loosen the telescopic boom, and can adapt to the telescopic boom of the different profile diameters of centre gripping.
As a preferred solution, a telescopic cylinder or a linear motor may be provided at both ends of the mounting plate 1 or the lifting rail 21, respectively, for driving the two jaws 22 to move along the lifting rail 21.
As another preferred solution, a bi-directional cylinder may be provided in the middle of the mounting plate 1 or the lifting rail 21 for driving the two jaws 22 to move synchronously and in opposite directions along the lifting rail 21.
Specifically, as shown in fig. 2 and 3, the connecting assembly 3 includes two sliders 31 disposed on the front surface of the mounting plate 1, and the two sliders 31 synchronously move towards two ends or the middle of the mounting plate 1 with the midpoint of the mounting plate 1 as a reference, and as a preferred scheme, a telescopic cylinder or a linear motor may be disposed at two ends of the mounting plate 1 respectively, and used for driving the two sliders 31 to move along the length direction of the mounting plate 1. As another preferred solution, a bidirectional cylinder may be provided in the middle of the mounting plate 1 for driving the two sliders 31 to move synchronously and in opposite directions along the length of the mounting plate 1. The slide block 31 is vertically provided with extension rods 32, the extension rods 32 are arranged in a rotating mode around the axis, worm gears 321 are coaxially arranged at the rear ends of the two extension rods 32, and the front ends of the extension rods 32 are used for being connected with lugs to be mounted on the telescopic arms. Specifically, the lugs can be directly fixed at the front end of the extension rod 32 through bolts, and can be connected at the front end of the extension rod 32 through pin shafts, or the front end of the extension rod 32 is provided with jacks, and the lugs are inserted into the jacks so as to achieve the purpose of connecting the lugs. The connecting assembly 3 further comprises a sleeve 33 arranged in the middle of the front surface of the mounting plate 1 and parallel to the length direction of the mounting plate 1, and the sleeve 33 is parallel to the lifting track 21, or the sleeve 33 is parallel to the sliding direction of the sliding block 31, two ends of the sleeve 33 are respectively and coaxially provided with a telescopic rod 34, the circumferential relative positions between the telescopic rod 34 and the sleeve 33 are kept fixed, the tail ends of the telescopic rods 34 are respectively and coaxially provided with a worm 341, the worm 341 is respectively meshed with the worm gears 321 on two sides, the spiral directions of the spiral lines of the two worm 341 are opposite, the rotation directions of the corresponding two worm gears 321 are opposite, and the sleeve 33 is rotatably arranged around an axis and used for driving the two worm 341 to rotate together. Because the spiral lines of the two worms 341 are opposite in rotation direction, the rotation directions of the two worm wheels 321 are also necessarily opposite, so that the angles of the two side lugs can be synchronously adjusted through the two extension rods 32. Because link to each other with worm 341 through worm wheel 321 between extension rod 32 and the telescopic link 34, worm wheel 321 can't reverse drive worm 341 rotates, so when slider 31 is carried extension rod 32 and is removed, worm wheel 321 will be carried worm 341 together, thereby make telescopic link 34 flexible removal along the axis of sleeve pipe 33, so that two worm 341 adapt to the position change of extension rod 32, and keep driving connection structure at any time, namely the connection structure between worm wheel 321 and the worm 341, so alright make location frock not only can adjust the distance between the both sides journal stirrup, can also synchronous adjustment both sides journal stirrup's angle, thereby fix a position the journal stirrup on the telescopic arm of different model sizes, in order to improve the welding precision of journal stirrup.
Preferably, a motor is arranged on the front surface of the mounting plate 1, so that the main shaft of the motor is parallel to the sleeve 33, and the main shaft of the motor is connected with the sleeve 33 through a pair of meshed gears, so that the sleeve 33 can be driven to rotate around the axis by the motor.
The sleeve 33 may also be rotated manually, and a knurled structure may be provided on the outer wall of the sleeve 33 to increase friction in order to prevent slippage.
The method for positioning the lugs by using the telescopic arm lug welding positioning tool comprises the following steps of:
s1, positioning a fixture, namely supporting the bottom surface of a mounting plate 1 on the outer wall of a telescopic arm, wherein the purpose is to enable the mounting plate 1 to be perpendicular to the outer wall of the telescopic arm and enable an extension rod 32 to be parallel to the outer wall of the telescopic arm, synchronously moving claws 22 on two sides towards the middle, and clamping the claws 22 on two sides of the telescopic arm, so that the positioning fixture is integrally fixed on the telescopic arm;
s2, connecting a support lug, wherein the support lug is connected to the front end of the extension rod 32;
The adjusting method comprises the steps of adjusting the positions of the lugs, including the distance between the lugs and the telescopic arms, the distance between the lugs on two sides and the inclination angle of the lugs, and the concrete adjusting method comprises the steps of arranging the lifting rail 21 in a moving mode along the height direction of the mounting plate 1, namely arranging the mounting plate 1 in a moving mode along the height direction relative to the lifting rail 21, so that after the clamping jaw 22 is fixed on the telescopic arms, the positions between the lifting rail 21 and the telescopic arms are kept fixed, the distance between the lugs on two sides and the telescopic arms can be adjusted simultaneously by adjusting the mounting plate 1 along the height direction, the distance between the lugs on two sides can be adjusted by moving the two sliding blocks 31, the rotating sleeve 33 can synchronously adjust the angles of the lugs on two sides by the two extending rods 32, the lugs on two sides of the telescopic arms can be symmetrically arranged through the gesture adjustment in the directions, and as a further preferable scheme, the two extending rods 32 are designed to be telescopic structures, the positions of the lugs in the length direction of the telescopic arms can be adjusted, and then the lugs can be welded and fixed on the telescopic arms in a welding mode.
Preferably, as shown in fig. 2 and 4, one or two sides of the bottom of the mounting plate 1 are provided with side supporting rods 11, the bottom surface of which is perpendicular to the height direction of the mounting plate 1 and is flush with the bottom surface of the mounting plate 1, and the contact area between the bottom surface of the mounting plate 1 and the outer wall of the telescopic arm can be increased through the side supporting rods 11, so that the mounting plate 1 is ensured to be perpendicular to the outer wall of the telescopic arm during initial positioning.
Preferably, as shown in fig. 4, an adjusting screw rod 23 parallel to the height direction is arranged on the back surface of the mounting plate 1, the adjusting screw rod 23 passes through the lifting rail 21 through a threaded structure, and the position of the lifting rail 21 in the height direction of the mounting plate 1 can be adjusted by rotating the adjusting screw rod 23, which can also be understood as adjusting the position of the mounting plate 1 relative to the claw 22.
Preferably, as shown in fig. 4, the upper ends of the clamping claws 22 are all arranged on a sliding block 24, the sliding block 24 is slidably arranged on the lifting rail 21, one side of the lifting rail 21 is parallelly provided with a bidirectional screw rod 25, two ends of the bidirectional screw rod 25 respectively pass through the two sliding blocks 24 in a threaded connection mode, the two sliding blocks 24 can synchronously move towards the two ends or the middle of the lifting rail 21 by taking the middle point of the mounting plate 1 as a reference through rotating the bidirectional screw rod 25, so that the clamping claws 22 are driven to move, and the bidirectional screw rod 25 is manually rotated.
Preferably, as shown in fig. 2 to 4, the opposite sides of the lower ends of the two claws 22 are provided with V-shaped blocks 221, the opposite sides of the two V-shaped blocks 221 are provided with V-shaped grooves which are symmetrically arranged, and the extending direction of the V-shaped grooves is perpendicular to the mounting plate 1, so that the claws 22 can not only clamp the telescopic arm of the rectangular pipe structure, but also clamp the telescopic arm of the circular pipe structure.
Preferably, as shown in fig. 2 and 3, a worm wheel sleeve 331 is coaxially arranged outside the sleeve 33, a worm shaft 35 meshed with the worm wheel sleeve 331 is vertically arranged on the front surface of the mounting plate 1 in a penetrating manner, the sleeve 33 can be driven to rotate through the worm wheel sleeve 331 when the worm shaft 35 is rotated, so that the two telescopic rods 34 are driven to rotate, the sleeve 33 can be further prevented from rotating when the sliding block 31 slides by adopting the driving structure design, so that the inclination angle of the support lugs is kept constant, and the worm shaft 35 is manually rotated.
Preferably, as shown in fig. 2 and 3, the front surface of the mounting plate 1 is provided with two parallel guide rods 12, the guide rods 12 are parallel to the length direction of the mounting plate 1, and two sliding blocks 31 are slidably connected to the two guide rods 12.
Preferably, as shown in fig. 2 to 4, the top of the mounting plate 1 is provided with a slide bar 13 perpendicular to the bottom surface, the slide bar 13 is sleeved with a hinge block 14 in a sliding manner, the two ends of the hinge block 14 in the length direction of the mounting plate 1 are respectively provided with a connecting rod 15 in a rotating manner, the tail ends of the connecting rods 15 are respectively connected with two sliding blocks 31 in a rotating manner, the side surfaces of the hinge block 14 are provided with locking screws 16 for fixing the positions of the hinge block 14 on the slide bar 13, by adopting the structural design, the hinge block 14 is moved along the slide bar 13, the two sliding blocks 31 can be synchronously driven to move in the same or opposite directions through the two connecting rods 15 so as to be convenient for adjusting the distance between two side lugs, and after the adjustment is completed, the locking screws 16 can be screwed down so as to fix the sliding blocks 31, thereby achieving the purpose of fixing the spacing distance between the two side lugs.
Preferably, as shown in fig. 5 to 8, the front end of the extension rod 32 is coaxially provided with a counter bore 322, the side surface of the front end of the extension rod 32 is provided with a through hole 323 vertically communicated with the counter bore 322, the through hole 323 is positioned at the middle section of the counter bore 322, the cross sections of the through hole 323 and the counter bore 322 are rectangular, the rear section and the front section of the counter bore 322 are both slidably penetrated with a pressing block 36, and two sides of the same opposite end of the pressing block 36 are both provided with a first inclined plane 361.
The front end of the extension rod 32 is coaxially penetrated with an adjusting screw rod 37, the tail end of the extension rod is rotatably penetrated at the bottom of the counter bore 322, the front end of the extension rod protrudes out of the front end surface of the extension rod 32, so that the adjusting screw rod 37 can be manually rotated by a tool, or the extension rod is connected with an adjusting motor, threaded rods with opposite rotation directions at two ends are arranged at two ends of the adjusting screw rod 37, the middle point positions of the two threaded rods are positioned on the axis of the through hole 323, the threaded rods at two ends of the adjusting screw rod 37 respectively penetrate through the two pressing blocks 36, and the two pressing blocks 36 can be driven to synchronously move towards the middle point or two ends of the adjusting screw rod 37 by rotating the adjusting screw rod 37.
The both sides of extension pole 32 front end are equipped with an interior fagging 38 respectively, link to each other through shrink spring 39 between two interior fagging 38 for draw in two interior fagging 38 to extension pole 32, the inner wall of interior fagging 38 all is equipped with rectangular piece 381, and the both ends of through-hole 323 are worn to locate respectively by rectangular piece 381 of two interior fagging 38, and the both sides of rectangular piece 381 front end respectively with correspond the first inclined plane 361 sliding contact of both sides.
The connecting assembly 3 further comprises a conical block 4, one end of the conical tip of the conical block is coaxially provided with a connecting screw 41, the connecting screw 41 is used for vertically connecting the outer ends of the inner supporting plates 38, and the conical blocks 4 on two sides of the same extension rod 32 are in a coaxial state after connection.
When the clamping principle is adopted, as shown in fig. 1, when the lugs on two sides of the telescopic arm are respectively provided with a connecting block in pairs to increase the structural strength, two lugs which are usually arranged in pairs need to be arranged at intervals, firstly, by rotating the adjusting screw 37, the rectangular blocks 381 on two sides are pushed by the first inclined plane 361 so as to adjust the distance between the two inner supporting plates 38 and limit the distance between the two lugs which are arranged in pairs, the two lugs are respectively placed at the outer ends of the two inner supporting plates 38, the connecting screw 41 penetrates through the mounting holes of the lugs for penetrating the pin shafts, the connecting screw 41 is connected with the inner supporting plates 38, and the conical block 4 is rotated to screw the connecting screw 41, and the mounting holes of the lugs are tightly pressed by the conical surface of the conical block 4, so that the mounting holes of the two lugs are coaxial. After the positioning welding, the two pressing blocks 36 are moved to opposite directions by rotating the adjusting screw 37, and after the rectangular block 381 loses the thrust of the first inclined plane 361, the two inner supporting plates 38 are automatically folded towards the telescopic rod 34 under the action of the contraction spring 39. The adjusting structure can enable the extension rod 32 to be always positioned in the middle position of the two inner supporting plates 38, so that two supporting lugs arranged in pairs are symmetrically arranged on two sides of the front end of the extension rod 32, and the inner supporting plates 38 can be adapted to the supporting lugs with different requirements on the spacing distance by adjusting the space between the pressing blocks 36. As a preferable structure, the front end of the rectangular block 381 is opened and closed with a dodging groove 382 for dodging the adjusting screw 37, so that the inner supporting plate 38 has a larger moving range. As a preferred structure, the front end of the rectangular block 381 has a second inclined surface 383 slidably engaged with the first inclined surface 361 to improve stability when pushing the inner stay plate 38 and to secure stability of the position of the inner stay plate 38 when supporting the lugs.
The foregoing description of the preferred embodiments of the invention is merely exemplary and is not intended to be exhaustive or limiting of the invention. It will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. Welding and positioning tool for support lugs of telescopic arms, which is characterized by comprising:
The mounting plate (1) is of a flat plate structure;
The clamping assembly (2) comprises lifting rails (21) which are arranged on the back of the mounting plate (1) in parallel, the lifting rails (21) are arranged in a moving mode along the height direction of the mounting plate (1), two ends of each lifting rail (21) are respectively provided with a claw (22) in a sliding mode, the two claws (22) are synchronously arranged towards the two ends or the middle of the lifting rails (21) in a moving mode based on the middle point of the mounting plate (1), and the claws (22) are located below the mounting plate (1);
The connecting assembly (3) comprises two front sliding blocks (31) arranged on the mounting plate (1), the two sliding blocks (31) are arranged on the middle of the mounting plate (1) in a moving mode by taking the middle point of the mounting plate (1) as a reference, extension rods (32) are vertically arranged at the two ends or the middle of the mounting plate (1) in a moving mode, the extension rods (32) are arranged in a rotating mode around an axis, worm wheels (321) are coaxially arranged at the rear ends of the two extension rods (32), the front ends of the extension rods (32) are used for connecting lugs, the connecting assembly (3) further comprises a sleeve (33) arranged in the middle of the front face of the mounting plate (1) and parallel to the length direction of the mounting plate (1), telescopic rods (34) are coaxially arranged at the two ends of the sleeve (33) in a penetrating mode, the circumference relative positions between the telescopic rods (34) and the sleeve (33) are fixed, worms (341) are coaxially arranged at the tail ends of the telescopic rods (34) and are meshed with the worm wheels (321) on two sides respectively, the spiral lines of the two worms (341) rotate oppositely, and the sleeve (33) are arranged around the axis.
2. The telescopic arm support lug welding positioning tool according to claim 1, wherein one or two sides of the bottom of the mounting plate (1) are provided with side support rods (11), the bottom surface of the side support rods is perpendicular to the height direction of the mounting plate (1) and is flush with the bottom surface of the mounting plate (1).
3. The telescopic arm support lug welding positioning tool according to claim 1, wherein an adjusting screw rod (23) parallel to the height direction is arranged on the back surface of the mounting plate (1), and the adjusting screw rod (23) penetrates through the lifting rail (21) through a threaded structure.
4. The welding positioning tool for the lugs of the telescopic arms according to claim 1, wherein the upper ends of the clamping jaws (22) are respectively arranged on a sliding block (24), the sliding blocks (24) are slidably arranged on the lifting rail (21), one side of the lifting rail (21) is parallelly provided with a bidirectional screw (25), two ends of the bidirectional screw are provided with screws with opposite rotation directions, and two ends of the bidirectional screw (25) respectively penetrate through the two sliding blocks (24) in a threaded connection mode.
5. The telescopic boom lug welding positioning tool according to claim 1, wherein the opposite sides of the lower ends of the two clamping jaws (22) are provided with V-shaped blocks (221), and the opposite sides of the two V-shaped blocks (221) are provided with symmetrically arranged V-shaped grooves, and the extending direction of the V-shaped grooves is perpendicular to the mounting plate (1).
6. The welding positioning tool for the support lugs of the telescopic arms according to claim 1, wherein a worm wheel sleeve (331) is coaxially arranged outside the sleeve (33), and a worm shaft (35) meshed with the worm wheel sleeve (331) is vertically arranged on the front surface of the mounting plate (1) in a penetrating mode.
7. The telescopic boom lug welding positioning tool according to claim 1, wherein two parallel guide rods (12) are integrally arranged on the mounting plate (1), the guide rods (12) are parallel to the length direction of the mounting plate (1), and two sliding blocks (31) are slidably connected to the two guide rods (12).
8. The telescopic boom support lug welding positioning tool according to claim 1, wherein a slide bar (13) perpendicular to the bottom surface is arranged at the top of the mounting plate (1), a hinged block (14) is sleeved on the slide bar (13) in a sliding manner, connecting rods (15) are respectively arranged at two ends of the hinged block (14) towards the length direction of the mounting plate (1) in a rotating manner, the tail ends of the connecting rods (15) are respectively connected with two sliding blocks (31) in a rotating manner, and locking screws (16) are arranged on the side surfaces of the hinged block (14) and used for fixing the positions of the hinged block (14) on the slide bar (13).
9. The telescopic boom lug welding positioning tool according to claim 1, wherein a counter bore (322) is coaxially formed in the front end of the extension rod (32), a through hole (323) which is vertically communicated with the counter bore (322) is formed in the side face of the front end of the extension rod (32), the through hole (323) is located in the middle section of the counter bore (322), the cross sections of the through hole (323) and the counter bore (322) are rectangular, a pressing block (36) is arranged in the rear section and the front section of the counter bore (322) in a sliding mode, and first inclined planes (361) are formed in two sides, which are the same at the opposite ends of the pressing block (36);
The front end of the extension rod (32) is coaxially penetrated with an adjusting screw rod (37), the tail end of the adjusting screw rod is rotatably penetrated at the bottom of the counter bore (322), the front end of the adjusting screw rod protrudes out of the front end surface of the extension rod (32), two ends of the adjusting screw rod (37) are provided with threaded rods with opposite rotation directions, the middle points of the two threaded rods are positioned on the axis of the through hole (323), and the threaded rods at the two ends of the adjusting screw rod (37) respectively penetrate through the two pressing blocks (36) in a threaded connection mode;
Two sides of the front end of the extension rod (32) are respectively provided with an inner supporting plate (38), the two inner supporting plates (38) are connected through a contraction spring (39) and are used for folding the two inner supporting plates (38) towards the extension rod (32), rectangular blocks (381) are arranged on the inner wall of the inner supporting plate (38), the rectangular blocks (381) of the two inner supporting plates (38) are respectively arranged at two ends of the through hole (323) in a penetrating mode, and two sides of the front end of the rectangular blocks (381) are respectively in sliding contact with first inclined planes (361) on the two corresponding sides;
The connecting assembly (3) further comprises conical blocks (4), one end of the conical top of the conical blocks is coaxially provided with a connecting screw rod (41), the connecting screw rod (41) is used for vertically connecting the outer ends of the inner supporting plates (38), and the conical blocks (4) on two sides of the same extension rod (32) are in a coaxial state after connection.
10. A telescopic boom lug welding positioning method, characterized in that the telescopic boom lug welding positioning tool according to any one of claims 1 to 9 is used, and the method comprises the following steps:
s1, positioning a tool, supporting the bottom surface of a mounting plate (1) on the outer wall of a telescopic arm, synchronously moving clamping claws (22) on two sides towards the middle, and clamping the clamping claws (22) on two sides of the telescopic arm;
S2, connecting a support lug, and connecting the support lug to the front end of the extension rod (32);
And S3, adjusting the positions of the lugs, including adjusting the distance between the lugs and the telescopic arms, the distance between the lugs at two sides and the inclination angle of the lugs, and positioning the lugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510035885.7A CN119457669B (en) | 2025-01-09 | 2025-01-09 | Telescopic arm support ear welding positioning tool and positioning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510035885.7A CN119457669B (en) | 2025-01-09 | 2025-01-09 | Telescopic arm support ear welding positioning tool and positioning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119457669A true CN119457669A (en) | 2025-02-18 |
| CN119457669B CN119457669B (en) | 2025-05-09 |
Family
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| CN202510035885.7A Active CN119457669B (en) | 2025-01-09 | 2025-01-09 | Telescopic arm support ear welding positioning tool and positioning method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN211028730U (en) * | 2019-09-17 | 2020-07-17 | 长沙博裕机械制造有限公司 | Steel otic placode welding clamping device |
| WO2020251490A1 (en) * | 2019-06-14 | 2020-12-17 | İleri̇ Mekani̇k Maki̇na Kalip İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Interlock system by means of single-lever gear mechanism in steering columns capable of tilt telescopic adjustment |
| CN112518217A (en) * | 2020-11-07 | 2021-03-19 | 徐州欧百瑞智能设备有限公司 | Cylindrical workpiece side lug welding angle device |
| CN112692504A (en) * | 2021-03-24 | 2021-04-23 | 山东明宇重工机械有限公司 | Welding positioner for movable arm of loader |
| CN213105361U (en) * | 2020-07-14 | 2021-05-04 | 河南江泰机械制造有限公司 | Oil cylinder support lug fixing device |
| CN218051109U (en) * | 2022-09-08 | 2022-12-16 | 成都中挖属汇科技有限公司 | Wall-attached frame and welding fixture thereof |
| CN118237823A (en) * | 2024-05-09 | 2024-06-25 | 广东弘铠船务股份有限公司 | Welding device for ship maintenance |
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2025
- 2025-01-09 CN CN202510035885.7A patent/CN119457669B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020251490A1 (en) * | 2019-06-14 | 2020-12-17 | İleri̇ Mekani̇k Maki̇na Kalip İmalat Sanayi̇ Ve Ti̇caret Anoni̇m Şi̇rketi̇ | Interlock system by means of single-lever gear mechanism in steering columns capable of tilt telescopic adjustment |
| CN211028730U (en) * | 2019-09-17 | 2020-07-17 | 长沙博裕机械制造有限公司 | Steel otic placode welding clamping device |
| CN213105361U (en) * | 2020-07-14 | 2021-05-04 | 河南江泰机械制造有限公司 | Oil cylinder support lug fixing device |
| CN112518217A (en) * | 2020-11-07 | 2021-03-19 | 徐州欧百瑞智能设备有限公司 | Cylindrical workpiece side lug welding angle device |
| CN112692504A (en) * | 2021-03-24 | 2021-04-23 | 山东明宇重工机械有限公司 | Welding positioner for movable arm of loader |
| CN218051109U (en) * | 2022-09-08 | 2022-12-16 | 成都中挖属汇科技有限公司 | Wall-attached frame and welding fixture thereof |
| CN118237823A (en) * | 2024-05-09 | 2024-06-25 | 广东弘铠船务股份有限公司 | Welding device for ship maintenance |
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| CN119457669B (en) | 2025-05-09 |
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