Supporting device for welding and assembling fitness equipment

Abstract

The invention relates to the technical field of welding supporting, and discloses a supporting device for welding and assembling fitness equipment, which comprises a shell, the inner wall of the shell is rotatably connected with a rotating shaft I, the circumferential surface of the rotating shaft I is fixedly connected with a rotating wheel, the inner wall of the rotating wheel is rotatably connected with a handle, and the circumferential surface of the rotating shaft I is fixedly connected with a bevel gear I; after a machined part is placed on the pressing block, the pressing block can drive the clamping plate to clamp and fix the machined part, the machined part can be rapidly fixed, then the machining efficiency is improved, meanwhile, the pressing rod can drive the supporting frame to move leftwards, the welded machined part is tightly attached together, and a gap between the two workpieces can be prevented; and a large gear can drive a second vertical rod and a third vertical rod to rotate, then the angle between the two welded workpieces is adjusted, multi-angle adjustment can be conducted, then the workpieces are welded together at different angles, and the application range of the device is widened.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of welding support, in particular to a support device for fitness equipment welding assembly. BACKGROUND

[0002] The support device for fitness equipment welding assembly is a special equipment, mainly used for fixing, rotating or adjusting the position of workpieces during welding to simplify the operation process and reduce manual labor intensity. This kind of device is usually designed for round pipes or bent pipe components in fitness equipment, realizing efficient and flexible welding assembly.

[0003] The patent with publication number CN118905537A discloses a support device for fitness equipment welding assembly, which includes a movable frame, an adjusting mechanism movably installed inside the movable frame, two clamping mechanisms movably installed inside the adjusting mechanism, and a pressing assembly fixedly installed above the movable frame. By adjusting the limiting screw rod, the limiting screw rod is placed in the limiting groove inside the third clamping arm, the second clamping arm or the first clamping arm in turn. At this time, the positioning rod in the positioning groove is parallel to the gear display groove in the lowermost, middle position or uppermost position respectively. The limiting screw rod does not limit the second clamping arm and the third clamping arm, or limits the second clamping arm in the first clamping arm, or limits the third clamping arm and the second clamping arm in the second clamping arm and the first clamping arm in turn. Thus, the third clamping arm, the second clamping arm or the first clamping arm clamps the bent pipe, achieving the effect of improving the flexibility and efficiency of the production line. However, the clamping efficiency of this device is low, it is difficult to install quickly, and it is prone to the problem of inconvenient operation. Therefore, a support device for fitness equipment welding assembly is proposed to solve the above-mentioned problems. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a support device for fitness equipment welding assembly to solve the above-mentioned problems in the prior art.

[0005] The technical scheme that the application adopts to solve the above technical problems is: a supporting device for welding and assembling fitness equipment, comprising a shell, a rotating shaft one is rotationally connected to the inner wall of the shell, a rotating wheel is fixedly connected to the circumferential surface of the rotating shaft one, a handle is rotationally connected to the inner wall of the rotating wheel, a bevel gear one is fixedly connected to the circumferential surface of the rotating shaft one, a rotating shaft three is rotationally connected to the inner wall of the shell, a bevel gear two is fixedly connected to the circumferential surface of the rotating shaft three, a pinion one is fixedly connected to the circumferential surface of the rotating shaft three, a rotating shaft four is rotationally connected to the inner wall of the shell, a gear wheel is fixedly connected to the circumferential surface of the rotating shaft four, a vertical rod three is fixedly connected to the top of the gear wheel, a check ring one is fixedly connected to the circumferential surface of the vertical rod three, a vertical rod two is fixedly connected to the top of the gear wheel, a check ring two is fixedly connected to the circumferential surface of the vertical rod two, a vertical rod one is fixedly connected to the top of the shell, a lifting device is arranged at the bottom of the shell, a protection device is arranged on the inner wall of the shell, a supporting frame is slidingly connected to the top of the vertical rod two, a pressing rod is slidingly connected to the inner wall of the supporting frame, a supporting block is fixedly connected to the circumferential surface of the pressing rod, a pressing block is fixedly connected to the top of the pressing rod, a fixed rod one is fixedly connected to the inner wall of the supporting block, a connecting rod one is rotationally connected to the circumferential surface of the fixed rod one, a fixed rod two is rotationally connected to the inner wall of the connecting rod one, a connecting rod two is fixedly connected to the circumferential surface of the fixed rod two, a fixed rod three is rotationally connected to the inner wall of the connecting rod two, a clamping plate is fixedly connected to the top of the connecting rod two, the inner wall of the shell is rotationally connected with the check ring one, the inner wall of the shell is rotationally connected with the check ring two, the circumferential surface of the bevel gear one is engaged with the bevel gear two, the circumferential surface of the pinion one is engaged with the gear wheel, springs are arranged between the bottom of the supporting block and the supporting frame, a limiting block is arranged at the bottom of the supporting frame and slidingly connected with the inner wall of the vertical rod two, springs are arranged between the left side of the limiting block and the vertical rod two, the inner wall of the supporting frame is fixedly connected with the fixed rod three, after the workpiece is placed on the pressing block, the pressing block drives the clamping plate to clamp and fix the workpiece, the workpiece can be quickly fixed, thereby improving the processing efficiency, meanwhile, the pressing rod drives the supporting frame to move leftwards, so that the welding workpieces are closely attached together, the gap between the two workpieces can be prevented, thereby preventing problems such as not being welded or not being firmly welded, the gear wheel drives the vertical rod two and the vertical rod three to rotate, thereby adjusting the angle between the two welding workpieces, the angle can be adjusted at multiple angles, thereby welding the workpieces together at different angles, and the application range of the device is improved.

[0006] Preferably, the lifting device comprises a base, a two-way screw one is rotatably connected to the inner wall of the base, a transmission belt is drivingly connected to the circumferential surface of the two-way screw one, a two-way screw two is drivingly connected to the end of the transmission belt away from the two-way screw one, a movable block one is threadedly connected to the circumferential surface of the two-way screw one, a fixed rod four is fixedly connected to the inner wall of the movable block one, a connecting rod three is rotatably connected to the circumferential surface of the fixed rod four, a fixed rod five is rotatably connected to the inner wall of the connecting rod three, a fixed rod six is rotatably connected to the inner wall of the connecting rod three, a movable block two is fixedly connected to the circumferential surface of the fixed rod six, a push rod is fixedly connected to the left side of the movable block two, an external motor is arranged on the left side of the base, the output end of the external motor is fixedly connected with the two-way screw one, the inner wall of the shell is slidably connected with the movable block two, the top of the push rod is fixedly connected with a sliding block, the sliding block is slidably connected with the inner wall of the shell, the external motor is started, the external motor drives the two-way screw one to rotate, the two-way screw one drives the two movable blocks one to gather or disperse, the movable block one drives the fixed rod four to move, the fixed rod four drives the connecting rod three to move, since the fixed rod five positions the connecting rod three, the connecting rod three drives the fixed rod six to move in the opposite direction, the fixed rod six drives the movable block two to move, and the shell is lifted up or put down, the workpiece can be adjusted to a suitable height, the operator's bending and lifting actions are reduced, meanwhile the movable block two drives the push rod to move, the push rod contacts the arc surface of the rotating shaft four, drives the blocking ring one and the blocking ring two to move upwards, and prevents the welding slag from welding the shell, the blocking ring one and the blocking ring two together, so as to prevent the device from being unable to adjust the angle.

[0007] Preferably, the protection device comprises a telescopic rod, a sliding block is fixedly connected to the front of the telescopic rod, a push rod is fixedly connected to the front of the sliding block, a protection frame is slidably connected to the circumferential surface of the push rod, a protection glass is fixedly connected to the inner wall of the protection frame, a rack is fixedly connected to the left side of the protection frame, the protection device further comprises a supporting seat, a reciprocating screw rod is rotatably connected to the inner wall of the supporting seat, a small gear two is fixedly connected to the circumferential surface of the reciprocating screw rod, a movable block three is movably connected to the circumferential surface of the reciprocating screw rod, a scraper is fixedly connected to the front of the movable block three, the left side of the telescopic rod is fixedly connected with the movable block two, the inner wall of the shell is slidably connected with the sliding block, the circumferential surface of the small gear two is engaged with the rack, the top of the shell is fixedly connected with the supporting seat, the movement of the movable block two drives the telescopic rod to move, the telescopic rod drives the sliding block to move, the sliding block drives the push rod to move, the push rod drives the protection frame to move up and down, the protection frame moves up to protect the operator during work, improving the safety of the device, the protection frame moves down to be stored when not working, preventing damage caused by bumping, the movement of the protection frame up and down drives the rack to move up and down, the rack drives the small gear two to rotate, the small gear two drives the reciprocating screw rod to rotate, the reciprocating screw rod drives the movable block three to move reciprocally, the movable block three drives the scraper to move reciprocally and clean the protection glass, preventing the welding slag from adhering to the protection glass and affecting the field of vision during processing.

[0008] The application can bring the following beneficial effects: 1. The supporting device for the welding assembly of fitness equipment, through the cooperation between the housing, handle, rotating wheel, rotating shaft one, bevel gear one, bevel gear two, rotating shaft three, pinion gear one, gear wheel, vertical rod one, vertical rod two, pressing block, pressing rod, supporting block, fixed rod one, connecting rod one, fixed rod two, connecting rod two, fixed rod three, supporting frame, clamping plate, stop ring one, stop ring two, rotating shaft four and vertical rod three, after the workpiece is placed on the pressing block, the pressing block drives the clamping plate to clamp and fix the workpiece, the workpiece can be quickly fixed, thereby improving the processing efficiency, at the same time, the pressing rod drives the supporting frame to move left, so that the welding workpieces are closely attached together, which can prevent the gap between the two workpieces, thereby causing the welding to fail or be not firm, etc., the gear wheel drives the vertical rod two and vertical rod three to rotate, thereby adjusting the angle between the two welding workpieces, which can be adjusted at multiple angles, thereby welding the workpieces together at different angles, and the application range of the device is improved.

[0009] 2. The supporting device for the welding assembly of fitness equipment, through the cooperation between the base, bidirectional screw one, transmission belt, bidirectional screw two, movable block one, fixed rod four, connecting rod three, fixed rod five, fixed rod six, movable block two and push rod, the connecting rod three drives the housing to lift, the workpiece can be adjusted to the appropriate height, reducing the bending and lifting actions of the workers, reducing the labor intensity, at the same time, the movable block two drives the push rod to move, the push rod contacts the arc surface of the rotating shaft four, which drives the stop ring one and stop ring two to move upwards, which can prevent the welding slag from welding the housing and the stop ring one and stop ring two together, thereby causing the device to be unable to adjust the angle.

[0010] 3. The supporting device for the welding assembly of fitness equipment, through the cooperation between the movable block two, telescopic rod, sliding block, push rod, protective frame, protective glass, rack, supporting seat, reciprocating screw rod, pinion gear two, movable block three and scraper, the push rod drives the protective frame to move up and down, the protective frame moves up to protect the operator during work, improving the safety of the device, the protective frame moves down for storage when not working, preventing bumping and damage, at the same time, the movable block three drives the scraper to move back and forth, and the protective glass is cleaned, preventing the welding slag from adhering to the protective glass, thereby affecting the field of view during processing. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the application; Figure 2 It is a half-section view of the housing structure of the application; Figure 3 It is a schematic diagram of the supporting block structure of the application; Figure 4 It is a schematic diagram of the supporting block structure of the application; Figure 3 It is an enlarged view of the structure at A in the application; Figure 5 Figure 3 is a schematic view of the connecting rod three structure of the present application; Figure 6 Figure 4 is a schematic view of the protection frame structure of the present application; Figure 7 Figure 5 is a structure enlarged view of B in Figure 4. Figure 6

[0012] Figure: 1, the shell; 2, handle; 3, rotating wheel; 4, rotating shaft one; 5, bevel gear one; 6, bevel gear two; 7, rotating shaft three; 8, pinion one; 9, gear; 10, lifting device; 1001, base; 1002, two-way screw rod one; 1003, transmission belt; 1004, two-way screw rod two; 1005, movable block one; 1006, fixed rod four; 1007, connecting rod three; 1008, fixed rod five; 1009, fixed rod six; 1010, movable block two; 1011, push rod; 11, protection device; 1101, telescopic rod; 1102, sliding block; 1103, push rod; 1104, protection frame; 1105, protective glass; 1106, rack; 1107, support seat; 1108, reciprocating screw rod; 1109, pinion two; 1110, movable block three; 1111, scraper; 12, vertical rod one; 13, vertical rod two; 14, pressing block; 15, pressure rod; 16, support block; 17, fixed rod one; 18, connecting rod one; 19, fixed rod two; 20, connecting rod two; 21, fixed rod three; 22, support frame; 23, clamping plate; 24, check ring one; 25, check ring two; 26, rotating shaft four; 27, vertical rod three. DETAILED DESCRIPTION

[0013] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0014] Please refer to Figures 1-7 ​An embodiment of the present application is a support device for welding assembly of fitness equipment, which comprises a shell 1, a rotating shaft 4 is rotatably connected to the inner wall of the shell 1, a rotating wheel 3 is fixedly connected to the circumferential surface of the rotating shaft 1, a handle 2 is rotatably connected to the inner wall of the rotating wheel 3, a bevel gear 5 is fixedly connected to the circumferential surface of the rotating shaft 4, a rotating shaft 7 is rotatably connected to the inner wall of the shell 1, a bevel gear 6 is fixedly connected to the circumferential surface of the rotating shaft 7, a pinion 8 is fixedly connected to the circumferential surface of the rotating shaft 7, a rotating shaft 26 is rotatably connected to the inner wall of the shell 1, a large gear 9 is fixedly connected to the circumferential surface of the rotating shaft 26, a vertical rod 27 is fixedly connected to the top of the large gear 9, a retaining ring 24 is fixedly connected to the circumferential surface of the vertical rod 27, a vertical rod 13 is fixedly connected to the top of the large gear 9, a retaining ring 25 is fixedly connected to the circumferential surface of the vertical rod 13, a vertical rod 12 is fixedly connected to the top of the shell 1, a lifting device 10 is arranged at the bottom of the shell 1, a protection device 11 is arranged in the inner wall of the shell 1, the vertical rod 13 and the large gear 9 drive the vertical rod 13 and the vertical rod 27 to rotate, thereby adjusting the angle between the two welding workpieces, and the angle can be adjusted, thereby welding the workpieces together at different angles, and the application range of the device is improved, a support frame 22 is slidably connected to the top of the shell 1, a pressing rod 15 is slidably connected to the inner wall of the support frame 22, a support block 16 is fixedly connected to the circumferential surface of the pressing rod 15, a pressing block 14 is fixedly connected to the top of the pressing rod 15, a fixed rod 17 is fixedly connected to the inner wall of the support block 16, a connecting rod 18 is rotatably connected to the circumferential surface of the fixed rod 17, a fixed rod 19 is rotatably connected to the inner wall of the connecting rod 18, a connecting rod 20 is fixedly connected to the circumferential surface of the fixed rod 19, a fixed rod 21 is rotatably connected to the inner wall of the connecting rod 20, a clamping plate 23 is fixedly connected to the top of the connecting rod 20, after the workpiece is placed on the pressing block 14, the pressing block 14 drives the clamping plate 23 to clamp and fix the workpiece, the workpiece can be quickly fixed, thereby improving the processing efficiency, the inner wall of the shell 1 is rotatably connected with the retaining ring 24, the inner wall of the shell 1 is rotatably connected with the retaining ring 25, the circumferential surface of the bevel gear 5 is engaged with the bevel gear 6, the circumferential surface of the pinion 8 is engaged with the large gear 9, springs are arranged between the bottom of the support block 16 and the support frame 22, limit blocks are arranged at the bottom of the support frame 22 and slidably connected with the inner wall of the vertical rod 13, springs are arranged between the left side of the limit block and the vertical rod 13, the inner wall of the support frame 22 is fixedly connected with the fixed rod 21, the pressing rod 15 drives the support frame 22 to move leftwards, so that the welding workpieces are closely attached together, which can prevent gaps between the two workpieces, thereby preventing problems such as not being welded or not being firmly welded.

[0015] Working principle: When the device needs to support the workpiece, turn handle 2. Handle 2 drives the rotating wheel 3 to rotate, rotating wheel 3 drives the rotating shaft 4 to rotate, rotating shaft 4 drives the bevel gear 5 to rotate, bevel gear 5 drives the bevel gear 6 to rotate, bevel gear 6 drives the rotating shaft 7 to rotate, rotating shaft 7 drives the small gear 8 to rotate, small gear 8 drives the large gear 9 to rotate, and large gear 9 drives the upright rod 13 and upright rod 27 to rotate. This adjusts the angle between the two welded parts, allowing for multi-angle adjustment, thus welding the workpieces together at different angles, expanding the device's applicability. When the workpiece is placed on the support frame 22, the workpiece will press down the pressure block 14. The pressure block 14 drives the pressure rod 15 to move downwards, and the pressure rod 15 drives the support block 1... 6. Moving downwards, the support block 16 drives the fixed rod 17 to move downwards, the fixed rod 17 drives the connecting rod 18 to move downwards, and the connecting rod 18 drives the fixed rod 29 to move downwards. Since the fixed rod 3 21 limits the connecting rod 20, the fixed rod 29 drives the connecting rod 20 to swing, and the connecting rod 20 drives the clamping plate 23 to swing. The clamping plate 23 clamps the workpiece, which can quickly fix the workpiece and improve processing efficiency. At the same time, when the lower inclined surface of the pressure rod 15 contacts the inner inclined surface of the upright rod 2 13, the pressure rod 15 will drive the support frame 22 to move to the left and drive the workpiece to move to the left, so that the welded workpieces are tightly attached together, which can prevent gaps between the two workpieces, thus preventing problems such as inability to weld or weak welding.

[0016] Please see Figures 1-7Based on the above embodiments, in another embodiment of the present invention, the lifting device 10 includes a base 1001, a bidirectional screw 1002 rotatably connected to the inner wall of the base 1001, a transmission belt 1003 drivingly connected to the circumferential surface of the bidirectional screw 1002, a bidirectional screw 2 1004 drivingly connected to the end of the transmission belt 1003 away from the bidirectional screw 1002, a movable block 1005 threadedly connected to the circumferential surface of the bidirectional screw 1002, a fixed rod 4 1006 fixedly connected to the inner wall of the movable block 1005, a connecting rod 3 1007 rotatably connected to the circumferential surface of the fixed rod 4 1006, a fixed rod 5 1008 rotatably connected to the inner wall of the connecting rod 3 1007, and a fixed rod 6 1009 rotatably connected to the inner wall of the connecting rod 3 1007. Movable block 2 1010 is fixedly connected to the circumferential surface of 009. Connecting rod 3 1007 drives the housing 1 to rise and fall, which can adjust the workpiece to a suitable height, reduce the bending and lifting movements of workers, and reduce labor intensity. Movable block 2 1010 is fixedly connected to the left side of lever 1011. An external motor is set on the left side of the base 1001, and the output end of the external motor is fixedly connected to bidirectional screw 1 1002. The inner wall of housing 1 is slidably connected to movable block 2 1010. A sliding block is fixedly connected to the top of lever 1011, and the sliding block is slidably connected to the inner wall of housing 1. Movable block 2 1010 drives lever 1011 to move. Lever 1011 contacts the arc surface of rotating shaft 4 26, which pushes retaining ring 1 24 and retaining ring 2 25 upward, which can prevent welding slag from damaging the housing. 1. The retaining rings 24 and 25 are welded together, which prevents the device from adjusting its angle. The protective device 11 includes a telescopic rod 1101, a slider 1102 fixedly connected to the front of the telescopic rod 1101, a push rod 1103 fixedly connected to the front of the slider 1102, a protective frame 1104 slidably connected to the circumferential surface of the push rod 1103, and a protective glass 1105 fixedly connected to the inner wall of the protective frame 1104. The push rod 1103 will drive the protective frame 1104 to move up and down. When working, the protective frame 1104 will move up to protect the operator and improve the safety of the device. When not working, the protective frame 1104 will move down for storage to prevent bumps and damage. A rack 1106 is fixedly connected to the left side of the protective frame 1104. The protective device 11 also includes There is a support base 1107, and a reciprocating screw 1108 is rotatably connected to the inner wall of the support base 1107. A pinion 1109 is fixedly connected to the circumferential surface of the reciprocating screw 1108, and a movable block 1110 is movably connected to the circumferential surface of the reciprocating screw 1108. A scraper 1111 is fixedly connected to the front of the movable block 1110. The left side of the telescopic rod 1101 is fixedly connected to the movable block 1010. The inner wall of the housing 1 is slidably connected to the slider 1102. The circumferential surface of the pinion 1109 meshes with the rack 1106. The top of the housing 1 is fixedly connected to the support base 1107. The movable block 1110 will drive the scraper 1111 to move back and forth and clean the protective glass 1105 to prevent welding slag from adhering to the protective glass 1105 and thus affecting the field of vision during processing.

[0017] Working principle: start the external motor, the external motor drives the bidirectional screw rod one 1002 to rotate, the bidirectional screw rod one 1002 drives two movable blocks one 1005 to gather or disperse, the movable block one 1005 drives the fixed rod four 1006 to move, the fixed rod four 1006 drives the connecting rod three 1007 to move, since the fixed rod five 1008 limits the connecting rod three 1007, the connecting rod three 1007 will drive the fixed rod six 1009 to move reversely, the fixed rod six 1009 drives the movable block two 1010 to move, and the shell 1 is lifted or lowered, the workpiece can be adjusted to the appropriate height, reduce the operator bending, lifting action, at the same time, the movable block two 1010 will drive the push rod 1011 to move, the push rod 1011 contacts with the arc surface of the rotating shaft four 26, and the stop ring one 24 and the stop ring two 25 are pushed upward, so that the shell 1, the stop ring one 24 and the stop ring two 25 are prevented from being welded together, and the device is prevented from being unable to adjust the angle, the movable block two 1010 moves to drive the telescopic rod 1101 to move, the telescopic rod 1101 drives the sliding block 1102 to move, the sliding block 1102 drives the push rod 1103 to move, the push rod 1103 drives the protective frame 1104 to move up and down, the protective frame 1104 moves up to protect the operator during work, and the safety of the device is improved, the protective frame 1104 moves down to be stored when not working, so that the protective frame 1104 is prevented from being damaged due to bumping, and the protective frame 1104 moves up and down to drive the rack 1106 to move up and down, the rack 1106 drives the pinion gear two 1109 to rotate, the pinion gear two 1109 drives the reciprocating screw rod 1108 to rotate, the reciprocating screw rod 1108 drives the movable block three 1110 to reciprocate, the movable block three 1110 drives the scraper 1111 to reciprocate and clean the protective glass 1105, so that the welding slag is prevented from adhering to the protective glass 1105 and affecting the field of view during processing.

[0018] The application provides a support device for welding and assembling of fitness equipment, and there are many methods and approaches to realize the technical scheme, and the above description is only the preferred embodiment of the application. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principle of the application, and these improvements and refinements should also be regarded as the protection scope of the application. The components not explicitly described in the embodiment can be realized by using the existing technology.

Claims

1. A support device for the welded assembly of fitness equipment comprising a housing (1), characterized in that: The inner wall of the shell (1) is rotatably connected with the shaft one (4), the circumferential surface of the shaft one (4) is fixedly connected with the runner (3), the inner wall of the runner (3) is rotatably connected with the handle (2), the circumferential surface of the shaft one (4) is fixedly connected with the bevel gear one (5), the inner wall of the shell (1) is rotatably connected with the shaft three (7), the circumferential surface of the shaft three (7) is fixedly connected with the bevel gear two (6), the circumferential surface of the shaft three (7) is fixedly connected with the pinion one (8), the inner wall of the shell (1) is rotatably connected with the shaft four (26), the circumferential surface of the shaft four (26) is fixedly connected with the gear wheel (9), the top of the gear wheel (9) is fixedly connected with the vertical rod three (27), the circumferential surface of the vertical rod three (27) is fixedly connected with the check ring one (24), the top of the gear wheel (9) is fixedly connected with the vertical rod two (13), the circumferential surface of the vertical rod two (13) is fixedly connected with the check ring two (25), the top of the shell (1) is fixedly connected with the vertical rod one (12), the bottom of the shell (1) is provided with the lifting device (10), the inner wall of the shell (1) is provided with the protection device (11), the top of the vertical rod two (13) is slidably connected with the support frame (22), the inner wall of the support frame (22) is slidably connected with the pressing rod (15), the circumferential surface of the pressing rod (15) is fixedly connected with the supporting block (16), the top of the pressing rod (15) is fixedly connected with the pressing block (14), the inner wall of the supporting block (16) is fixedly connected with the fixed rod one (17), the circumferential surface of the fixed rod one (17) is rotatably connected with the connecting rod one (18), the inner wall of the connecting rod one (18) is rotatably connected with the fixed rod two (19), the circumferential surface of the fixed rod two (19) is fixedly connected with the connecting rod two (20), the inner wall of the connecting rod two (20) is rotatably connected with the fixed rod three (21), the top of the connecting rod two (20) is fixedly connected with the clamping plate (23).

2. A support apparatus for the welded assembly of exercise equipment as defined in claim 1 wherein: The inner wall of the shell (1) is rotatably connected with the check ring one (24), the inner wall of the shell (1) is rotatably connected with the check ring two (25), the circumferential surface of the bevel gear one (5) is engaged with the bevel gear two (6), the circumferential surface of the pinion one (8) is engaged with the gear wheel (9).

3. A support apparatus for the welded assembly of exercise equipment as defined in claim 2 wherein: The bottom of the supporting block (16) and the support frame (22) are provided with springs, the bottom of the support frame (22) is provided with the limiting block, the inner wall of the limiting block and the vertical rod two (13) are slidably connected, the left side of the limiting block and the vertical rod two (13) are provided with springs, the inner wall of the support frame (22) is fixedly connected with the fixed rod three (21).

4. A support apparatus for the welded assembly of exercise equipment as defined in claim 3 wherein: The lifting device (10) comprises a base (1001), the inner wall of the base (1001) is rotationally connected with a bidirectional screw rod one (1002), the circumferential surface of the bidirectional screw rod one (1002) is drivingly connected with a transmission belt (1003), the end, away from the bidirectional screw rod one (1002), of the transmission belt (1003) is drivingly connected with a bidirectional screw rod two (1004), the circumferential surface of the bidirectional screw rod one (1002) is threadedly connected with a movable block one (1005), the inner wall of the movable block one (1005) is fixedly connected with a fixed rod four (1006), the circumferential surface of the fixed rod four (1006) is rotationally connected with a connecting rod three (1007), the inner wall of the connecting rod three (1007) is rotationally connected with a fixed rod five (1008), the inner wall of the connecting rod three (1007) is rotationally connected with a fixed rod six (1009), the circumferential surface of the fixed rod six (1009) is fixedly connected with a movable block two (1010), the left side of the movable block two (1010) is fixedly connected with a push rod (1011).

5. A support apparatus for the welded assembly of exercise equipment as defined in claim 4 wherein: The left side of the base (1001) is provided with an external motor, and the output end of the external motor is fixedly connected with the bidirectional screw rod one (1002), the inner wall of the shell (1) is slidingly connected with the movable block two (1010), the top of the push rod (1011) is fixedly connected with a sliding block, and the sliding block is slidingly connected with the inner wall of the shell (1).

6. A support apparatus for the welded assembly of exercise equipment as defined in claim 5 wherein: The protection device (11) comprises a telescopic rod (1101), the front part of the telescopic rod (1101) is fixedly connected with a sliding block (1102), the front part of the sliding block (1102) is fixedly connected with a push rod (1103), the circumferential surface of the push rod (1103) is slidingly connected with a protection frame (1104), the inner wall of the protection frame (1104) is fixedly connected with a protection glass (1105), and the left side of the protection frame (1104) is fixedly connected with a rack (1106).

7. A support apparatus for the welded assembly of exercise equipment as defined in claim 6 wherein: The protection device (11) further comprises a support seat (1107), the inner wall of the support seat (1107) is rotationally connected with a reciprocating screw rod (1108), the circumferential surface of the reciprocating screw rod (1108) is fixedly connected with a small gear two (1109), the circumferential surface of the reciprocating screw rod (1108) is movably connected with a movable block three (1110), and the front part of the movable block three (1110) is fixedly connected with a scraper (1111).

8. A support apparatus for the welded assembly of exercise equipment as defined in claim 7, wherein: The left side of the telescopic rod (1101) is fixedly connected with the movable block two (1010), the inner wall of the shell (1) is slidingly connected with the sliding block (1102), the circumferential surface of the small gear two (1109) is engaged with the rack (1106), and the top of the shell (1) is fixedly connected with the support seat (1107).

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