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CN-121972869-A - Welding device for overhauling top beam of hydraulic support

CN121972869ACN 121972869 ACN121972869 ACN 121972869ACN-121972869-A

Abstract

The invention discloses a welding device for overhauling a top beam of a hydraulic support, which relates to the technical field of overhauling of the hydraulic support and comprises a welding machine main cabinet, a ground wire clamp and a handheld welding machine, wherein the ground wire clamp and the handheld welding machine are connected with the welding machine main cabinet through connecting wires, a supporting structure is arranged at a middle handle of the handheld welding machine and comprises a first protective transparent cover, the handheld welding machine can keep a fixed posture through a three-point positioning method, so that the welding effect of the handheld welding machine is better, the handheld welding machine is prevented from shaking when being held by hands, the welding depth consistency of the top beam is ensured by more stable operation, the hands of a worker are prevented from being injured, the positions of the first protective transparent cover and the second protective transparent cover can be determined by utilizing the clamping of a limiting clamping block and a clamping groove, the handheld second protective transparent cover is fixed with the first protective transparent cover, and the included angle between the handheld welding machine of the worker and the plane of the top beam is not influenced.

Inventors

  • PAN RUI
  • WU YICHANG
  • XU ZHIMING
  • ZHOU YOU

Assignees

  • 安徽省矿业机电装备有限责任公司

Dates

Publication Date
20260505
Application Date
20260326

Claims (10)

  1. 1. The utility model provides a welding set for hydraulic support back timber overhauls, includes welding machine main cabinet (1), ground clamp (2) and handheld welding machine (3) are all connected with welding machine main cabinet (1) through the connecting wire, a serial communication port, the middle handle department of handheld welding machine (3) is provided with bearing structure (4), bearing structure (4) include first protection translucent cover (41), first protection translucent cover (41) welding is in the middle handle department of handheld welding machine (3), the surface welding of first protection translucent cover (41) has center pin (43), the outside cover of center pin (43) is equipped with two first flexible outer poles (42) of intercrossing arrangement, the surface of first protection translucent cover (41) and the outside welding that is located center pin (43) have one round first fixed pin (44), the inside of two first flexible outer poles (42) all is provided with first flexible inner pole (47), the tip of two first flexible inner pole (47) is equipped with universal joint hole (46) and the inside bolt (46) of first flexible outer pole (46) and the fixed screw-bolt (46) of fixing hole (48), the fixing bolts (46) are used for fixing the first telescopic outer rod (42) and the first telescopic inner rod (47), and the end part of the handheld welding machine (3) and the two universal wheels (45) are used for determining a specific angle of the handheld welding machine (3) on the plane of the top beam of the hydraulic support.
  2. 2. Welding device for hydraulic support roof beam maintenance according to claim 1, characterized in that each of the first fixing pins (44) is at the same distance from the centre pin (43), the ends and the middle of the first telescopic outer rod (42) are mounted on the centre pin (43) and the first fixing pins (44), the fixing holes (48) are equidistantly arranged inside the first telescopic inner rod (47), and the fixing bolts (46) are fixed with one of the fixing holes (48).
  3. 3. The welding device for overhauling the top beam of the hydraulic support according to claim 2, wherein a clamping structure (5) is arranged at the middle handle of the handheld welding machine (3) and positioned on the surface of the first protective transparent cover (41), the clamping structure (5) comprises a second protective transparent cover (51), the second protective transparent cover (51) is sleeved at the middle handle of the handheld welding machine (3), the first protective transparent cover (41) is movably connected with the second protective transparent cover (51), a circle of clamping holes (59) are arranged on the abutting surfaces of the first protective transparent cover (41) and the second protective transparent cover (51), the clamping holes (59) of the first protective transparent cover (41) are clamped with the second protective transparent cover (51), a fixing ring (52) is welded on the surface of the second protective transparent cover (51), a circle of grooves (54) are formed in the inner part of the fixing ring (52), two grooves (58) are formed in the middle handle of the handheld welding machine (3) and positioned at the positions corresponding to the fixing ring (52), two clamping grooves (58) are formed in correspondence with the fixing ring (52), and the inner parts of the fixing ring (52) are provided with the inner clamping grooves (58) and the inner clamping grooves (55) are matched with the reserved clamping grooves (55), the limiting clamping blocks (55) and the clamping grooves (54) are used for limiting the relative positions of the first protective transparent cover (41) and the second protective transparent cover (51).
  4. 4. A welding device for overhauling a top beam of a hydraulic support according to claim 3, wherein a circle of clamping columns are arranged on the surface of the second protective transparent cover (51) and located at positions corresponding to the clamping holes (59), the clamping columns and the clamping holes (59) are arranged in an annular array, the clamping columns of the second protective transparent cover (51) are in one-to-one correspondence with the clamping holes (59) of the first protective transparent cover (41), each clamping groove (54) is arranged in an annular array, a limit ring (53) is arranged outside a handle of the handheld welding machine (3) and located on one side of the fixed ring (52), and the limit ring (53) is used for limiting the fixed ring (52) to be located between the second protective transparent cover (51) and the limit ring (53).
  5. 5. The welding device for overhauling a top beam of a hydraulic support according to claim 4, wherein the straight line where the two reserved grooves (58) are located is perpendicular to the axis of the fixed ring (52), the telescopic spring (57) and the limiting clamping block (55) move along the radial direction of the fixed ring (52), the limiting clamping block (55) is clamped with or separated from the inner part of the clamping groove (54), the pressing block (56) is integrally manufactured on the outer part of the limiting clamping block (55), and the positions of the two pressing blocks (56) are located on the outer parts of the two limiting clamping blocks (55).
  6. 6. The welding device for overhauling a top beam of a hydraulic support according to claim 5, wherein when the limiting clamping blocks (55) are separated from the inside of the clamping groove (54), the end positions of the two limiting clamping blocks (55) are positioned inside the inner diameter of the fixed ring (52), and the end positions of the two limiting clamping blocks (55) are positioned outside a handle of the handheld welding machine (3).
  7. 7. The welding device for overhauling a top beam of a hydraulic support according to claim 5, wherein when the limiting clamping blocks (55) are clamped with the inner part of the clamping groove (54), the end positions of the two limiting clamping blocks (55) are positioned outside the inner diameter of the clamping groove (54).
  8. 8. The welding device for overhauling a top beam of a hydraulic support according to claim 6 or 7, characterized in that a hanging component (6) is sleeved between the fixed ring (52) and the second protective transparent cover (51), the hanging component (6) comprises a rotating sleeve (61), the rotating sleeve (61) is sleeved outside the fixed ring (52), the end part of the rotating sleeve (61) is connected with a second telescopic outer rod (63), the inside of the second telescopic outer rod (63) is slidably connected with a second telescopic inner rod (64), the end part of the second telescopic inner rod (64) is provided with a connecting ball (65), the inside of the connecting ball (65) is connected with a fixed rod (66), the end part of the fixed rod (66) is provided with a clamping block (67), and the clamping block (67) is used for hanging the handheld welding machine (3) and then moving the handheld welding machine (3).
  9. 9. The welding device for overhauling a top beam of a hydraulic support according to claim 8, wherein the second telescopic outer rod (63) is connected with the rotating sleeve (61) through a second fixing pin (62), the inside of the second telescopic outer rod (63) is in transition fit with the second telescopic inner rod (64), the second telescopic outer rod (63) and the second telescopic inner rod (64) move relatively under the action of external force, the connecting ball (65) consists of an inner ball body and two ball shells which are welded mutually, the inner ball body is connected with the ball shells in a spherical surface mode, and the inner ball body and the ball shells are in transition fit with each other.
  10. 10. The welding device for hydraulic support top beam overhaul according to claim 9, characterized in that a movable clamping block (69) and a fixed clamping block (610) are installed on the surface of the clamping block (67), the fixed clamping block (610) is welded with the clamping block (67), the movable clamping block (69) and the inside of the clamping block (67) slide relatively, a threaded rod (68) which is transversely arranged is connected with the internal thread of the clamping block (67), the threaded rod (68) is connected with the bottom end thread of the movable clamping block (69), the threaded rod (68) is used for adjusting the distance between the movable clamping block (69) and the fixed clamping block (610), and the movable clamping block (69) and the fixed clamping block (610) are installed on the fixed surface and then used for hanging the handheld welding machine (3).

Description

Welding device for overhauling top beam of hydraulic support Technical Field The invention relates to the technical field of hydraulic support overhauling, in particular to a welding device for hydraulic support top beam overhauling. Background The top beam is a core bearing component of the hydraulic support, directly bears the pressure of the top plate and is transmitted to the support main body, if the top beam has the problems of cracks, welding line failure and the like, the top beam possibly causes the instability of the top plate support, causes serious safety accidents such as roof collapse, roof collapse and the like, seriously threatens the life safety of underground personnel, the maintenance of the top beam of the hydraulic support is a key for guaranteeing the safe operation of equipment, prolonging the service life and improving the production efficiency, the core necessity is represented in three dimensions of safety, production and cost, the core of the welding maintenance of the top beam of the hydraulic support is the detection of welding defects, the repair of damaged welding lines, and the welded top beam ensures the bearing strength and the structural integrity of the top beam; In the prior art, because the hydraulic support top beam is limited by the working environment and the space, certain defects exist when the top beam is welded by a handheld welding machine in the overhaul of the hydraulic support top beam, the angle of a welding gun is difficult to accurately control by the handheld operation, the angle of the handheld welding machine is easy to change, the operation shaking can lead to insufficient or uneven penetration, inconsistent welding seam depth is easy to cause when the top beam is welded, the stable posture of the handheld welding gun is required to be maintained for a long time, the underground operation space is limited, and the instability of the operation is further aggravated. Disclosure of Invention The invention aims to provide a welding device for overhauling a top beam of a hydraulic support, which is used for solving the problems in the background art. The aim of the invention can be achieved by the following technical scheme: The utility model provides a welding set for hydraulic support back timber overhauls, includes welding machine main cabinet, ground clamp and handheld welding machine are all connected with welding machine main cabinet through the connecting wire, the middle handle department of handheld welding machine is provided with bearing structure, bearing structure includes first protection transparent cover, first protection transparent cover welds the middle handle department at handheld welding machine, the surface welding of first protection transparent cover has the center pin, the outside cover of center pin is equipped with two first flexible outer poles of intercrossing arrangement, the surface of first protection transparent cover just is located the outside welding of center pin has round first fixed pin, two the inside of first flexible outer pole all is provided with first flexible interior pole, two the tip of first flexible interior pole all welds the universal wheel, and the outside threaded connection of first flexible outer pole has fixing bolt, the inside of first flexible interior pole just has seted up one row of fixed orifices with the corresponding position of fixing bolt, and is used for fixing first flexible outer pole and first flexible interior pole, and the tip of holding welding machine and two special angle of universal angle of holding of two universal welding machines at the universal hand of support. As a preferable technical scheme of the invention, the distances between the first fixing pins and the center pin are the same, the end parts and the middle parts of the first telescopic outer rods are arranged on the center pin and the first fixing pins, the fixing holes are equidistantly arranged in the first telescopic inner rods, and the fixing bolts are fixed with one of the fixing holes. As a preferable technical scheme of the handheld welding machine, a clamping structure is arranged at the middle handle of the handheld welding machine and positioned on the surface of the first protective transparent cover, the clamping structure comprises a second protective transparent cover, the second protective transparent cover is sleeved at the middle handle of the handheld welding machine, the first protective transparent cover is movably connected with the second protective transparent cover, a circle of clamping holes are formed in the joint surface of the first protective transparent cover and the second protective transparent cover, the clamping holes of the first protective transparent cover are clamped with the second protective transparent cover, a fixing ring is welded on the surface of the second protective transparent cover, a circle of clamping groove is formed in the fixing ring, two reserved grooves are for