CN217618551U - Industrial automation welding robot - Google Patents

Abstract

The utility model discloses an industrial automation welding robot, which comprises a fixing frame, the inner wall both sides of mount are provided with conveying component and centre gripping subassembly respectively, the centre gripping subassembly is located the top of centre gripping subassembly, the outer wall both sides of mount are provided with respectively removes the subassembly, the one side of removing the subassembly is provided with first rotating assembly, one side fixed mounting of first rotating assembly has the fixed block, through starting the second motor, it is rotatory to drive first rotary disk, and it is rotatory at first circular slide rail inner wall to link first slide bar, it is rotatory at first circular slide rail inner wall effectively to carry out the first rotation regulation to the welding machine body, through starting the third motor, it is rotatory to drive the second rotary disk, and it is rotatory at the circular slide rail inner wall of second to link the second slide bar, effectively carry out the rotation regulation of second time to the welding machine body, through starting the fifth motor, it is rotatory to drive the third rotary disk, and link the third slide bar and rotate at third circular slide rail inner wall, effectively carry out the third rotation regulation to the welding machine body.

Description

Industrial automation welding robot

Technical Field

The utility model relates to a welding robot technical field specifically is an industrial automation welding robot.

Background

The welding robot is an industrial robot engaged in welding, which belongs to the definition of standard welding robot according to the international organization for standardization, the industrial robot is a multipurpose, reprogrammable automatic control manipulator with three or more programmable axes, which is used in the field of industrial automation, in order to adapt to different purposes, the mechanical interface of the last axis of the robot, usually a connecting flange, can be equipped with different tools or end effectors, the welding robot is equipped with a welding tongs or a welding gun on the end axis flange of the industrial robot, so that the welding tongs or the welding gun can be welded, cut or thermally sprayed, but the traditional smelting furnace in the market still has the following problems:

1. the industrial automatic welding robot is required to perform welding work during the existing industrial automatic production, and when the welding robot on the market is used, the angle adjusting range of a welding head is too large and is not accurate, so that the welding deviation is large, time and labor are wasted, multi-angle rotation adjustment cannot be performed, and the welding at a dead angle cannot be performed, so that the working efficiency is reduced;

2. the existing industrial automatic welding robot cannot move in a left-right adjusting mode, most of welding robots on the market are directly fixed on machinery, and therefore welding can be carried out only in one interval, and therefore working efficiency is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an industrial automation welding robot to need an industrial automation welding robot to carry out weldment work when solving current industrial automation production that proposes in the above-mentioned background art, the robot that connects on the present market is in the use, soldered connection angle modulation range is too big, it is impracticable accurate relatively, make the welding deviation great waste time and energy, but can't carry out the multi-angle rotation regulation, thereby lead to dead angle department and can't weld, consequently, the work efficiency has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an industrial automation welding robot, includes the mount, the inner wall both sides of mount are provided with conveying components and centre gripping subassembly respectively, the centre gripping subassembly is located the top of centre gripping subassembly, the outer wall both sides of mount are provided with respectively removes the subassembly, one side of removing the subassembly is provided with first rotating assembly, one side fixed mounting of first rotating assembly has the fixed block, the top fixed mounting of fixed block has hydraulic telescoping rod, hydraulic telescoping rod's top is provided with second rotating assembly, the top of second rotating assembly is provided with first articulated subassembly, inner wall one side of first articulated subassembly is provided with the articulated subassembly of second, the bottom fixed mounting of the articulated subassembly of second has third rotating assembly, the bottom fixed mounting of third rotating assembly has the welding machine body.

Preferably, the moving assembly comprises a fixed plate, a driven rod, a sliding block, a first motor, a first gear and a toothed plate, the toothed plate and the fixed plate are respectively and fixedly installed on one side of the fixing frame, the fixed plate is located above the toothed plate, the first gear is welded on the output end of the first motor, the first gear is meshed with the toothed plate, the first motor is fixedly installed at the bottom of the sliding block, the sliding block is slidably connected to the outer wall of one side of the driven rod, the driven rod is connected with a bearing between the sliding blocks, and the driven rod is fixedly welded on one side of the inner wall of the fixed plate.

Preferably, first rotating assembly includes first fixed disk, first circular slide rail, second motor, first rotary disk and first slide bar, first slide bar welding is in one side of first rotary disk, first rotary disk welding is in the output of second motor, second motor fixed mounting is in one side of first fixed disk, first circular slide rail is seted up one side of first fixed disk, first circular slide rail is located one side of second motor, first circular slide rail with sliding connection between the first slide bar, first fixed disk is located one side of slider.

Preferably, the second rotating assembly comprises a second fixed disc, a second circular sliding rail, a third motor, a second rotating disc and a second sliding bar, the second sliding bar is welded to one side of the second rotating disc, the second rotating disc is welded to the output end of the third motor, the third motor is fixedly installed to one side of the second fixed disc, the second circular sliding rail is arranged to one side of the second fixed disc, the second circular sliding rail is located to one side of the third motor, the second circular sliding rail is connected with the second sliding bar in a sliding mode, and the second fixed disc is fixedly installed to the top of the hydraulic telescopic rod.

Preferably, the first hinge assembly comprises an arc plate, a first hinge seat, a second hinge seat, a first electric telescopic rod and a hinge plate, the hinge plate is jointed at the top of the arc plate, the arc plate is welded at the top of the second rotating disk, the first electric telescopic rod is respectively hinged on one side of the inner walls of the first hinge seat and the second hinge seat, the first hinge seat is connected with one side of the arc plate through a bearing, and the second hinge seat is connected with one side of the hinge plate through a bearing.

Preferably, the second hinge assembly comprises a fourth motor, a second gear, a third gear and a support plate, the support plate is welded on the outer wall of one side of the third gear, the third gear and the second gear are respectively hinged on the inner wall of one end of the hinged plate, the second gear is positioned obliquely above the third gear, the third gear is meshed with the second gear, the fourth motor is positioned on the outer wall of one side of the hinged plate, and an output shaft of the fourth motor penetrates through the hinged plate and is welded with the second gear.

Preferably, the third rotating assembly includes a third fixed disk, a third circular sliding rail, a fifth motor, a third rotating disk and a third sliding rod, the third sliding rod is welded on one side of the third rotating disk, the third rotating disk is welded on the output end of the fifth motor, the fifth motor is fixedly mounted on one side of the third fixed disk, the third circular sliding rail is arranged on one side of the third fixed disk, the third circular sliding rail is located on one side of the fifth motor, and the third circular sliding rail is connected with the third sliding rod in a sliding manner.

Preferably, the conveying assembly comprises a conveying roller, a sixth motor and a rotating disc, the rotating disc is welded on the outer wall of one side of the conveying roller, the conveying roller is sequentially and fixedly installed on one side of the inner wall of the fixing frame from left to right, the sixth motor is fixedly installed on one side of the inner wall of the fixing frame, and an output shaft of the sixth motor is welded with the conveying roller.

Preferably, the clamping assembly comprises a second electric telescopic rod, a clamping plate and a protective pad, the protective pad is fixedly installed on one side of the clamping plate, the clamping plate is welded to one end of the second electric telescopic rod, and the second electric telescopic rod is fixedly installed on one side of the inner wall of the fixing frame.

Compared with the prior art, the beneficial effects of the utility model are that: the industrial automatic welding robot comprises a welding robot body,

1. the welding machine body is effectively subjected to first rotation adjustment by starting a second motor, the second rotating disc is driven to rotate by starting a third motor, and the second sliding rod is driven to rotate on the inner wall of the second circular sliding rail, so that the welding machine body is effectively subjected to second rotation adjustment;

2. through starting hydraulic telescopic rod, can carry out oscilaltion regulation to the welding machine body, through starting first motor, drive first gear swivelling movement on the pinion rack to the link block slides on the driven lever, effectively controls the regulation about moving the welding machine body.

Drawings

Fig. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a cross-sectional three-dimensional structure of the hydraulic telescopic rod of the present invention;

fig. 3 is a schematic cross-sectional three-dimensional structure view of the fixing frame of the present invention;

fig. 4 is a schematic sectional three-dimensional structure view of the hinged plate of the present invention.

In the figure: 1. a fixed mount; 2. a delivery assembly; 3. a clamping assembly; 4. a moving assembly; 5. a first rotating assembly; 6. a fixed block; 7. a hydraulic telescopic rod; 8. a second rotating assembly; 9. a first hinge assembly; 10. a second hinge assembly; 11. a third rotating assembly; 12. a welding machine body; 21. a conveying roller; 22. a sixth motor; 23. rotating the disc; 31. a second electric telescopic rod; 32. a clamping plate; 33. a protective pad; 41. a fixing plate; 42. a driven lever; 43. a slider; 44. a first motor; 45. a first gear; 46. a toothed plate; 51. a first fixed disk; 52. a first circular slide rail; 53. a second motor; 54. a first rotating disk; 55. a first slide bar; 81. a second fixed disk; 82. a second circular slide rail; 83. a third motor; 84. a second rotating disk; 85. a second slide bar; 91. an arc-shaped plate; 92. a first hinge mount; 93. a second hinge mount; 94. a first electric telescopic rod; 95. a hinge plate; 101. a fourth motor; 102. a second gear; 103. a third gear; 104. a support plate; 111. a third fixed disk; 112. a third circular slide rail; 113. a fifth motor; 114. a third rotating disk; 115. a third slide bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: the utility model provides an industrial automation welding robot, including mount 1, the inner wall both sides of mount 1 are provided with conveying assembly 2 and centre gripping subassembly 3 respectively, centre gripping subassembly 3 is located centre gripping subassembly 3's top, the outer wall both sides of mount 1 are provided with removal subassembly 4 respectively, one side of removal subassembly 4 is provided with first rotating assembly 5, one side fixed mounting of first rotating assembly 5 has fixed block 6, the top fixed mounting of fixed block 6 has hydraulic telescoping rod 7, hydraulic telescoping rod 7's top is provided with second rotating assembly 8, the top of second rotating assembly 8 is provided with first articulated subassembly 9, inner wall one side of first articulated subassembly 9 is provided with second articulated subassembly 10, the bottom fixed mounting of second articulated subassembly 10 has third rotating assembly 1, the bottom fixed mounting of third rotating assembly 11 has welding machine body 12, through starting hydraulic telescoping rod 7, can carry out the oscilaltion to welding machine body 12.

Referring to fig. 1, 2 and 3, the moving assembly 4 includes a fixed plate 41, a driven rod 42, a sliding block 43, a first motor 44, a first gear 45 and a toothed plate 46, the toothed plate 46 and the fixed plate 41 are respectively and fixedly mounted on one side of the fixed frame 1, the fixed plate 41 is located above the toothed plate 46, the first gear 45 is welded at an output end of the first motor 44, the first gear 45 is in meshing connection with the toothed plate 46, the first motor 44 is fixedly mounted at a bottom of the sliding block 43, the sliding block 43 is slidably connected to an outer wall of one side of the driven rod 42, the driven rod 42 is in bearing connection with the sliding block 43, and the driven rod 42 is fixedly welded on one side of an inner wall of the fixed plate 41; by starting the first motor 44, the first gear 45 is driven to rotate on the toothed plate 46, and the linkage slider 43 slides on the driven rod 42, so as to perform left-right movement adjustment on the welding machine body 12.

Referring to fig. 1, 2 and 3, the first rotating assembly 5 includes a first fixed disk 51, a first circular slide rail 52, a second motor 53, a first rotating disk 54 and a first slide rod 55, the first slide rod 55 is welded on one side of the first rotating disk 54, the first rotating disk 54 is welded on the output end of the second motor 53, the second motor 53 is fixedly installed on one side of the first fixed disk 51, the first circular slide rail 52 is arranged on one side of the second motor 53, the first circular slide rail 52 is connected with the first slide rod 55 in a sliding manner, and the first fixed disk 51 is arranged on one side of the sliding block 43; by starting the second motor 53, the first rotating disc 54 is driven to rotate and drives the first sliding rod 55 to rotate on the inner wall of the first circular sliding rail 52, so as to perform the first rotation adjustment on the welding machine body 12.

Referring to fig. 1, 2 and 3, the second rotating assembly 8 includes a second fixed tray 81, a second circular slide rail 82, a third motor 83, a second rotating tray 84 and a second slide bar 85, the second slide bar 85 is welded on one side of the second rotating tray 84, the second rotating tray 84 is welded on the output end of the third motor 83, the third motor 83 is fixedly installed on one side of the second fixed tray 81, the second circular slide rail 82 is located on one side of the third motor 83, the second circular slide rail 82 is slidably connected with the second slide bar 85, and the second fixed tray 81 is fixedly installed on the top of the hydraulic telescopic rod 7; by starting the third motor 83, the second rotating disc 84 is driven to rotate, and the second sliding rod 85 is linked to rotate on the inner wall of the second circular sliding rail 82, so as to perform the second rotation adjustment on the welding machine body 12.

Referring to fig. 1, 2, 3 and 4, the first hinge assembly 9 includes an arc plate 91, a first hinge seat 92, a second hinge seat 93, a first electric telescopic rod 94 and a hinge plate 95, the hinge plate 95 is connected to the top of the arc plate 91, the arc plate 91 is welded to the top of the second rotating disc 84, the first electric telescopic rod 94 is hinged to one side of the inner wall of the first hinge seat 92 and the inner wall of the second hinge seat 93, the first hinge seat 92 is connected to one side of the arc plate 91 through a bearing, and the second hinge seat 93 is connected to one side of the hinge plate 95 through a bearing; by starting the first electric telescopic rod 94, the hinged plate 95 is pushed to rotate in a hinged mode on the inner wall of the top of the arc-shaped plate 91, and the first hinged seat 92 and the second hinged seat 93 are linked to rotate for carrying out first-time hinged adjustment on the welding machine body 12.

Referring to fig. 1, 2, 3 and 4, the second hinge assembly 10 includes a fourth motor 101, a second gear 102, a third gear 103 and a support plate 104, the support plate 104 is welded on an outer wall of one side of the third gear 103, the third gear 103 and the second gear 102 are respectively hinged on an inner wall of one end of the hinge plate 95, the second gear 102 is located obliquely above the third gear 103, the third gear 103 and the second gear 102 are in meshed connection, the fourth motor 101 is located on an outer wall of one side of the hinge plate 95, and an output shaft of the fourth motor 101 penetrates through the hinge plate 95 and is welded with the second gear 102; by starting the fourth motor 101, the second gear 102 is driven to rotate and the third gear 103 is driven to rotate, so that the support plate 104 is hinged and rotated in the hinge plate 95 for performing second hinge adjustment on the welding machine body 12.

Referring to fig. 1, 2, 3 and 4, the third rotating assembly 11 includes a third fixed tray 111, a third circular sliding rail 112, a fifth motor 113, a third rotating tray 114 and a third sliding rail 115, the third sliding rail 115 is welded on one side of the third rotating tray 114, the third rotating tray 114 is welded on an output end of the fifth motor 113, the fifth motor 113 is fixedly installed on one side of the third fixed tray 111, the third circular sliding rail 112 is opened on one side of the third fixed tray 111, the third circular sliding rail 112 is located on one side of the fifth motor 113, and the third circular sliding rail 112 is slidably connected with the third sliding rail 115; by starting the fifth motor 113, the third rotating disc 114 is driven to rotate and drives the third sliding bar 115 to rotate on the inner wall of the third circular sliding rail 112, so as to perform the third rotation adjustment on the welding machine body 12.

Referring to fig. 1, 2 and 3, the conveying assembly 2 includes a conveying roller 21, a sixth motor 22 and a rotating disc 23, the rotating disc 23 is welded on an outer wall of one side of the conveying roller 21, the conveying roller 21 is sequentially and fixedly installed on one side of an inner wall of the fixed mount 1 from left to right, the sixth motor 22 is fixedly installed on one side of the inner wall of the fixed mount 1, and an output shaft of the sixth motor 22 is welded with the conveying roller 21; by starting the sixth motor, the conveying rollers 21 are driven to rotate, and the belt is driven to drive the rotating disc 23 and the plurality of conveying rollers 21 to rotate, so that the welding products are conveyed and moved.

Referring to fig. 1, 2 and 3, the clamping assembly 3 includes a second electric telescopic rod 31, a clamping plate 32 and a protection pad 33, the protection pad 33 is fixedly installed on one side of the clamping plate 32, the clamping plate 32 is welded on one end of the second electric telescopic rod 31, and the second electric telescopic rod 31 is fixedly installed on one side of the inner wall of the fixing frame 1; the clamping plate 32 and the protective pad 33 are pushed to move forwards through the second electric telescopic rod 31, so that the welding product is fixedly clamped.

The working principle is as follows: the welding machine body 12 can be adjusted to lift up and down by starting the hydraulic telescopic rod 7, and the first gear 45 is driven to rotate on the toothed plate 46 by starting the first motor 44 and slide on the driven rod 42 by connecting the sliding block 43 for adjusting the welding machine body 12 to move left and right;

the first rotating disc 54 is driven to rotate by starting the second motor 53 and drives the first sliding rod 55 to rotate on the inner wall of the first circular sliding rail 52, so that the welding machine body 12 is subjected to first rotation adjustment, the second rotating disc 84 is driven to rotate by starting the third motor 83 and drives the second sliding rod 85 to rotate on the inner wall of the second circular sliding rail 82, so that the welding machine body 12 is subjected to second rotation adjustment, and the third rotating disc 114 is driven to rotate by starting the fifth motor 113 and drives the third sliding rod 115 to rotate on the inner wall of the third circular sliding rail 112, so that the welding machine body 12 is subjected to third rotation adjustment;

the first electric telescopic rod 94 is started to push the hinged plate 95 to rotate in a hinged mode on the inner wall of the top of the arc-shaped plate 91, the first hinged seat 92 and the second hinged seat 93 are linked to rotate to perform first hinged adjustment on the welding machine body 12, and the fourth motor 101 is started to drive the second gear 102 to rotate and link the third gear 103 to rotate, so that the support plate 104 is hinged and rotated in the hinged plate 95 to perform second hinged adjustment on the welding machine body 12;

through starting the sixth motor, drive conveying roller 21 rotatory to it drives rolling disc 23 and a plurality of conveying roller 21 rotation to link the belt, thereby carry the removal to the welding product and promote grip block 32 and protection pad 33 forward movement through second electric telescopic handle 31, thereby fix the centre gripping to the welding product.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (9)

1. The utility model provides an industrial automation welding robot, includes mount (1), its characterized in that: a conveying assembly (2) and a clamping assembly (3) are respectively arranged on two sides of the inner wall of the fixing frame (1), and the clamping assembly (3) is positioned above the clamping assembly (3);

the outer wall both sides of mount (1) are provided with removal subassembly (4) respectively, one side of removing subassembly (4) is provided with first rotating assembly (5), one side fixed mounting of first rotating assembly (5) has fixed block (6), the top fixed mounting of fixed block (6) has hydraulic telescoping rod (7), the top of hydraulic telescoping rod (7) is provided with second rotating assembly (8), the top of second rotating assembly (8) is provided with first articulated subassembly (9), inner wall one side of first articulated subassembly (9) is provided with the articulated subassembly of second (10), the bottom fixed mounting of the articulated subassembly of second (10) has third rotating assembly (11), the bottom fixed mounting of third rotating assembly (11) has welding machine body (12).

2. The industrial automation welding robot of claim 1, characterized in that: the moving assembly (4) comprises a fixing plate (41), a driven rod (42), a sliding block (43), a first motor (44), a first gear (45) and a toothed plate (46), the toothed plate (46) and the fixing plate (41) are respectively and fixedly installed on one side of the fixing frame (1), the fixing plate (41) is located above the toothed plate (46), the first gear (45) is welded at the output end of the first motor (44), the first gear (45) is meshed with the toothed plate (46) to be connected, the first motor (44) is fixedly installed at the bottom of the sliding block (43), the sliding block (43) is slidably connected to the outer wall of one side of the driven rod (42), the driven rod (42) is in bearing connection with the sliding block (43), and the driven rod (42) is fixedly welded on one side of the inner wall of the fixing plate (41).

3. The industrial automation welding robot of claim 2, characterized in that: the first rotating assembly (5) comprises a first fixed disc (51), a first circular sliding rail (52), a second motor (53), a first rotating disc (54) and a first sliding bar (55), the first sliding bar (55) is welded on one side of the first rotating disc (54), the first rotating disc (54) is welded on the output end of the second motor (53), the second motor (53) is fixedly installed on one side of the first fixed disc (51), the first circular sliding rail (52) is arranged on one side of the first fixed disc (51), the first circular sliding rail (52) is located on one side of the second motor (53), the first circular sliding rail (52) is in sliding connection with the first sliding bar (55), and the first fixed disc (51) is located on one side of the sliding block (43).

4. The industrial automation welding robot of claim 3, characterized in that: the second rotating assembly (8) comprises a second fixed disc (81), a second circular sliding rail (82), a third motor (83), a second rotating disc (84) and a second sliding bar (85), the second sliding bar (85) is welded on one side of the second rotating disc (84), the second rotating disc (84) is welded on the output end of the third motor (83), the third motor (83) is fixedly installed on one side of the second fixed disc (81), the second circular sliding rail (82) is arranged on one side of the second fixed disc (81), the second circular sliding rail (82) is located on one side of the third motor (83), the second circular sliding rail (82) is in sliding connection with the second sliding bar (85), and the second fixed disc (81) is fixedly installed on the top of the hydraulic telescopic rod (7).

5. The industrial automation welding robot of claim 4, characterized in that: the first hinge assembly (9) comprises an arc-shaped plate (91), a first hinge seat (92), a second hinge seat (93), a first electric telescopic rod (94) and a hinge plate (95), the hinge plate (95) is connected to the top of the arc-shaped plate (91), the arc-shaped plate (91) is welded to the top of the second rotating disk (84), the first electric telescopic rod (94) is hinged to one side of the inner walls of the first hinge seat (92) and the second hinge seat (93), the first hinge seat (92) is in bearing connection with one side of the arc-shaped plate (91), and the second hinge seat (93) is in bearing connection with one side of the hinge plate (95).

6. The industrial automation welding robot of claim 5, characterized in that: the second hinge assembly (10) comprises a fourth motor (101), a second gear (102), a third gear (103) and a support plate (104), the support plate (104) is welded on the outer wall of one side of the third gear (103), the third gear (103) and the second gear (102) are respectively hinged on the inner wall of one end of the hinge plate (95), the second gear (102) is located obliquely above the third gear (103), the third gear (103) is in meshing connection with the second gear (102), the fourth motor (101) is located on the outer wall of one side of the hinge plate (95), and an output shaft of the fourth motor (101) penetrates through the hinge plate (95) and is welded with the second gear (102).

7. The industrial automation welding robot of claim 1, characterized in that: the third rotating assembly (11) comprises a third fixed disc (111), a third circular sliding rail (112), a fifth motor (113), a third rotating disc (114) and a third sliding bar (115), the third sliding bar (115) is welded on one side of the third rotating disc (114), the third rotating disc (114) is welded on the output end of the fifth motor (113), the fifth motor (113) is fixedly installed on one side of the third fixed disc (111), the third circular sliding rail (112) is arranged on one side of the third fixed disc (111), the third circular sliding rail (112) is located on one side of the fifth motor (113), and the third circular sliding rail (112) is connected with the third sliding bar (115) in a sliding manner.

8. The industrial automatic welding robot as claimed in claim 1, wherein: conveying assembly (2) include conveying roller (21), sixth motor (22) and rolling disc (23), rolling disc (23) welding is on one side outer wall of conveying roller (21), conveying roller (21) from left to right in proper order fixed mounting be in inner wall one side of mount (1), sixth motor (22) fixed mounting be in inner wall one side of mount (1), the output shaft of sixth motor (22) with weld between conveying roller (21).

9. The industrial automation welding robot of claim 1, characterized in that: centre gripping subassembly (3) include second electric telescopic handle (31), grip block (32) and protection pad (33), protection pad (33) fixed mounting be in one side of grip block (32), grip block (32) welding is in the one end of second electric telescopic handle (31), second electric telescopic handle (31) fixed mounting be in inner wall one side of mount (1).

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