Welding device for boiler manufacturing

Abstract

The utility model discloses a welding device for boiler manufacturing, which comprises a frame, a workbench and a gearbox, the bottom of the workbench is provided with a lifting mechanism, the workbench is positioned above the frame, the surface of the workbench is provided with a clamping component, and the lifting mechanism is arranged to prevent the clamping component from clamping when a driving motor cannot drive normally. The problems that the whole device is damaged when touching the ground and a boiler on the workbench is damaged due to the fact that the workbench on the top drives a lifting rack to rapidly descend are solved, meanwhile, the independent lifting rack is adopted for lifting, and the problem that the lifting height is uneven due to gear abrasion caused by multiple sets of supports can be solved; by arranging the clamping assembly, the adjusting groove, the auxiliary telescopic rod and the telescopic sleeve, the boiler is prevented from shaking in the welding process, meanwhile, the adjusting groove can enable the locking rod to have a certain moving distance, the auxiliary telescopic rod can play a certain buffering role, the gear box and the telescopic sleeve enable the boiler to form a closed structure, and dust can be prevented from entering the boiler to affect transmission.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler manufacturing welding, in particular to a welding device for boiler manufacturing. Background Art

[0002] In the manufacturing process of boilers, welding equipment plays an extremely important role. Welding is the key process link to connect the various components of the boiler into a whole, which is crucial to the overall quality and safety of boiler manufacturing. Since boilers often have to withstand high temperature and high pressure working environment during use, the welding quality is directly related to the safety and reliability of the boiler. Once there is a problem with the welding quality, it may lead to serious consequences such as leakage and explosion of the boiler.

[0003] Since boilers are usually large in size, manual welding is usually used. The manual welding height is limited, so an integrated tool that can adjust the height to assist manual welding is needed, and it must be safe at the same time.

[0004] The existing patent (Announcement No.: CN219725013U) is a welding device for boiler manufacturing that is easy to adjust the height. By setting a lifting device, the upper support leg is pushed up and down by the connecting rod, so that the height of the workbench can be adjusted easily. The gear has good self-locking property and is not easy to shake. It solves the problem mentioned in the background technology that the long-term operation of the cylinder easily leads to unstable lifting, shaking of the support platform, and inaccurate welding. By setting a clamping device, it is easy to clamp boilers of different sizes, and the operation is simple and convenient.

[0005] In view of the above problems, the existing patents provide solutions, but there is a lack of self-locking mechanism during lifting. When the object on the top is heavy, it is easy to reverse and damage the transmission mechanism, which may cause danger. In addition, the use of open gears for transmission affects the transmission efficiency and accuracy. In addition, the use of a four-corner support structure may easily cause gear wear during the lifting process, resulting in uneven lifting heights at the four corners.

[0006] Therefore, a welding device for boiler manufacturing is proposed. Summary of the invention

[0007] The purpose of the utility model is to provide a welding device for boiler manufacturing, which can solve the problem of lack of a self-locking mechanism during lifting, and when the top object is heavy, it is easy to reversely damage the transmission mechanism, thus causing danger, and the use of open gears for transmission affects the transmission efficiency and accuracy, and the use of a four-corner support structure, which is prone to gear wear during the lifting process, resulting in uneven lifting heights of the four corners.

[0008] To achieve the above object, the utility model provides the following technical solution: a welding device for boiler manufacturing, comprising a frame, a workbench and a gear box, a lifting mechanism is provided at the bottom of the workbench, the workbench is located above the frame, and a clamping assembly is provided on the surface of the workbench;

[0009] The lifting mechanism includes a lifting component, a first locking component and a spare locking component. The lifting component includes a driving motor, an output shaft, a transmission gear and a lifting rack. The driving motor is fixedly arranged on the frame, one end of the output shaft is fixedly arranged on the output end of the driving motor, the transmission gear is fixedly arranged on the other end of the output shaft, and one end of the lifting rack is fixedly connected to the bottom of the workbench and cooperates with the transmission gear for transmission.

[0010] Preferably, the first locking assembly includes a sliding groove, a sliding block, a locking rod, a locking gear and a slot, the sliding groove is opened on the bottom side of the lifting rack, the sliding block is slidably connected to the inside of the sliding groove, the locking rod is rotationally connected to the bottom side of the lifting rack, the locking gear is fixedly connected to the output shaft and rotates synchronously with the transmission gear, and the slot is opened at one end of the locking rod close to the locking gear.

[0011] Preferably, the backup locking assembly includes a center piece, an inner ring gear, an intermediate wheel, a movable groove, a limiting block and a gear groove, the center piece is fixedly arranged on the output shaft and is located on one side of the transmission gear, the inner ring gear is fixedly arranged on the inner wall of the gear box, the intermediate wheel is arranged on the center piece, the intermediate wheel is not tightly fixed on the center piece and is a little loose and can move freely, the movable groove is opened at both ends of the center piece, the intermediate wheel can move in the movable groove, the limiting block is arranged on one side of the intermediate wheel, and the gear groove is opened on the circumferential surface of the intermediate wheel.

[0012] Preferably, the clamping assembly includes a fixed plate, a rotating screw, a clamping plate and a buffer pad, the fixed plate is fixedly set on the workbench, the rotating screw is threadedly connected to the inside of the fixed plate, the clamping plate is fixedly connected to one side of the rotating screw, and the buffer pad is fixedly set on one side of the clamping plate.

[0013] Preferably, an adjustment slot is provided on one side of the locking rod, and the locking rod rotates and moves in the adjustment slot.

[0014] Preferably, auxiliary telescopic rods are provided between the frame and the workbench, and the number of the auxiliary telescopic rods is four groups.

[0015] Preferably, a telescopic sleeve is provided on the top of the gear box, the top of the telescopic sleeve is provided at the bottom of the workbench, and the telescopic sleeve completely covers the lifting rack.

[0016] Preferably, the side of the intermediate wheel close to the gear slot has a larger weight, so that the intermediate wheel is always thrown toward the gear slot due to inertia.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] 1. This application sets up a lifting mechanism to prevent the top workbench from driving the lifting rack to drop rapidly when the driving motor cannot be driven normally, which will cause the entire device to touch the ground and be damaged. At the same time, the boiler on the workbench will also be damaged. Multiple sets of self-locking operations can effectively prevent the transmission mechanism from being easily damaged in the reverse direction when the top object is heavy. At the same time, a separate lifting rack is used for lifting, which can avoid the problem of uneven lifting height due to gear wear caused by multiple sets of supports.

[0019] 2. The present application can clamp the boiler by providing a clamping assembly, an adjusting groove, an auxiliary telescopic rod and a telescopic sleeve to prevent the boiler from shaking during welding. At the same time, the adjusting groove can allow the locking rod to have a certain movable distance, so that when the locking rod is tilted toward one side of the sliding groove, one end of the slot will be away from the locking gear and no contact will occur. When the locking rod is tilted toward the locking gear and self-locking occurs, the locking rod will slide a certain distance in the adjusting groove to ensure that the locking rod can be smoothly inserted into the locking gear. The auxiliary telescopic rod can play a certain buffering role. The gear box and the telescopic sleeve completely wrap the internal transmission structure to form a closed structure, which can prevent dust from entering and affecting the transmission. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is the overall structural view of the utility model;

[0022] Figure 2 This is an overall structural view of the lifting assembly and the first locking assembly of the utility model;

[0023] Figure 3 This is an overall structural view of the spare locking assembly of the utility model;

[0024] Figure 4 It is a partial structural view of the lifting assembly and the first locking assembly of the utility model;

[0025] Figure 5It is a partial structural view of the spare locking assembly of the utility model;

[0026] Figure 6 This is a partial structural view of the clamping assembly of the utility model.

[0027] Description of reference numerals:

[0028] 1. Frame; 2. Workbench; 3. Gearbox; 4. Lifting mechanism; 401. Lifting assembly; 402. First locking assembly; 403. Spare locking assembly; 4011. Driving motor; 4012. Output shaft; 4013. Transmission gear; 4014. Lifting rack; 4021. Sliding slot; 4022. Sliding block; 4023. Locking rod; 4024. Locking gear; 4025. Slot; 4031. Center piece; 4032. Inner ring gear; 4033. Intermediate wheel; 4034. Movable slot; 4035. Limiting block; 4036. Gear slot; 5. Clamping assembly; 501. Fixed plate; 502. Rotating screw; 503. Clamping plate; 504. Buffer pad; 6. Adjusting slot; 7. Auxiliary telescopic rod; 8. Telescopic sleeve. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] See also Figures 1 to 6 , the utility model provides a technical solution:

[0031] A welding device for boiler manufacturing, comprising a frame 1, a workbench 2 and a gear box 3, a lifting mechanism 4 is arranged at the bottom of the workbench 2, the workbench 2 is located above the frame 1, and a clamping assembly 5 is arranged on the surface of the workbench 2;

[0032] The lifting mechanism 4 includes a lifting component 401, a first locking component 402 and a spare locking component 403. The lifting component 401 includes a driving motor 4011, an output shaft 4012, a transmission gear 4013 and a lifting rack 4014. The driving motor 4011 is fixedly arranged on the frame 1, one end of the output shaft 4012 is fixedly arranged at the output end of the driving motor 4011, the transmission gear 4013 is fixedly arranged at the other end of the output shaft 4012, and one end of the lifting rack 4014 is fixedly connected to the bottom of the workbench 2 and cooperates with the transmission gear 4013 for transmission.

[0033] Specifically, Figure 1As shown, the first locking assembly 402 includes a sliding groove 4021, a sliding block 4022, a locking rod 4023, a locking gear 4024 and a slot 4025. The sliding groove 4021 is opened at the bottom side of the lifting rack 4014, the sliding block 4022 is slidably connected to the inside of the sliding groove 4021, the locking rod 4023 is rotationally connected to the bottom side of the lifting rack 4014, the locking gear 4024 is fixedly connected to the output shaft 4012 and rotates synchronously with the transmission gear 4013, and the slot 4025 is opened at one end of the locking rod 4023 close to the locking gear 4024.

[0034] Specifically, Figure 1 As shown, the spare locking assembly 403 includes a center piece 4031, an inner ring gear 4032, an intermediate wheel 4033, a movable groove 4034, a limiting block 4035 and a gear groove 4036. The center piece 4031 is fixedly arranged on the output shaft 4012 and is located on one side of the transmission gear 4013. The inner ring gear 4032 is fixedly arranged on the inner wall of the gear box 3. The intermediate wheel 4033 is arranged on the center piece 4031. The intermediate wheel 4033 is not tightly fixed on the center piece 4031 and is a little loose and can move freely. The movable groove 4034 is opened at both ends of the center piece 4031. The intermediate wheel 4033 can move in the movable groove 4034. The limiting block 4035 is arranged on one side of the intermediate wheel 4033. The gear groove 4036 is opened on the circumferential surface of the intermediate wheel 4033.

[0035] By setting the lifting mechanism 4, during normal working, the driving motor 4011 is used to output power, and then the transmission gear 4013 is driven to rotate, thereby driving the lifting rack 4014 to lift and lower, so as to change the height of the workbench 2. If the driving motor 4011 cannot be driven normally, the top workbench 2 will drive the lifting rack 4014 to drop rapidly, which will cause the entire device to touch the ground and be damaged. At the same time, the boiler on the workbench 2 will also be damaged. The sliding block 4022 will be at the bottom of the sliding groove 4021 due to gravity, and will slide upward due to inertia during the high-speed descent, and then push the locking rod 4023. The end of the locking rod 4023 close to the sliding block 4022 is naturally tilted downward. After being pushed by the sliding block 4022, the locking rod 4023 will tilt to the side of the locking gear 4024, and then the slot 4025 will be stuck in the locking gear 4 024, the locking gear 4024 is limited in the tooth groove to prevent it from continuing to rotate and descend. If the weight of the boiler on the top is too heavy to break the locking rod 4023, the spare locking assembly 403 will come into play. When the center piece 4031 rotates slowly, the intermediate wheel 4033 can rotate along with it. When the locking rod 4023 breaks and the lifting rack 4014 descends rapidly, the intermediate wheel 4033 will be thrown to the outside, so that the gear groove 4036 is stuck in the inner ring gear 4032 for locking. At the same time, the center piece 4031 will be blocked by the limiting block 4035. At this time, the inner ring gear 4032, the intermediate wheel 4033 and the center piece 4031 are all restricted from rotating, thereby preventing the lifting rack 4014 from further descending, and preventing the top workbench 2 from driving the lifting rack 4014 to descend rapidly when the drive motor 4011 fails, thereby causing the problem of damage to the overall device touching the ground.

[0036] Specifically, Figure 1 As shown, the clamping assembly 5 includes a fixed plate 501, a rotating screw 502, a clamping plate 503 and a buffer pad 504. The fixed plate 501 is fixedly arranged on the workbench 2, the rotating screw 502 is threadedly connected to the inside of the fixed plate 501, the clamping plate 503 is fixedly connected to one side of the rotating screw 502, and the buffer pad 504 is fixedly arranged on one side of the clamping plate 503.

[0037] Specifically, Figure 3 As shown, an adjustment slot 6 is provided on one side of the locking rod 4023 , and the locking rod 4023 can rotate and move in the adjustment slot 6 .

[0038] Specifically, Figure 1 As shown, auxiliary telescopic rods 7 are arranged between the frame 1 and the workbench 2, and the number of the auxiliary telescopic rods 7 is four groups.

[0039] Specifically, Figure 1As shown, a telescopic sleeve 8 is arranged on the top of the gear box 3 , and the top of the telescopic sleeve 8 is arranged on the bottom of the workbench 2 , and the telescopic sleeve 8 completely covers the lifting rack 4014 .

[0040] Specifically, Figure 1 As shown, the side of the intermediate wheel 4033 close to the gear slot 4036 has a larger weight, so that the intermediate wheel 4033 is always thrown toward the gear slot 4036 due to inertia.

[0041] By setting the clamping assembly 5, the boiler can be clamped to prevent the boiler from shaking during the welding process. At the same time, the adjusting slot 6 can be set to allow the locking rod 4023 to have a certain movable distance, so that when the locking rod 4023 tilts toward the side of the sliding slot 4021, one end of the slot 4025 will be away from the locking gear 4024 and no contact will occur. When the locking rod 4023 tilts toward the side of the locking gear 4024 and self-locks, the locking rod 4023 will slide a certain distance in the adjusting slot 6 to ensure that the locking rod 4023 can be smoothly inserted into the locking gear 4024. The auxiliary telescopic rod 7 can play a certain buffering role. The gear box 3 and the telescopic sleeve 8 completely wrap the internal transmission structure, so that it forms a closed structure, which can prevent dust from entering and affecting the transmission.

[0042] By adopting the above technical scheme, the problem of lack of self-locking mechanism during lifting in the existing welding device is solved. When the top object is heavy, it is easy to reversely damage the transmission mechanism, thus causing danger. The use of open gears for transmission affects the transmission efficiency and accuracy. In addition, the use of a four-corner support structure is prone to uneven lifting heights of the four corners due to gear wear during the lifting process.

[0043] Working principle: When the present application is in use, the boiler is first placed on the workbench 2, and the clamping assembly 5 can clamp the boiler to prevent the boiler from shaking during the welding process. During normal working, the driving motor 4011 is used to output power, and then the transmission gear 4013 is driven to rotate, thereby driving the lifting rack 4014 to move up and down, so as to change the height of the workbench 2. If the driving motor 4011 cannot be driven normally, the sliding block 4022 will be at the bottom of the sliding groove 4021 due to gravity, and the adjusting groove 6 can make the locking rod 4023 have a certain movable distance, so that when the locking rod 4023 tilts toward one side of the sliding groove 4021, one end of the card slot 4025 will be away from the locking gear 4024, and in the process of high-speed descent, due to the inertia factor, it will slide upward and then push the locking rod 4023. The end of the locking rod 4023 close to the sliding block 4022 is naturally tilted downward. After being pushed by the sliding block 4022, the locking rod 4023 will be in the adjusting groove 6. The locking rod 4023 is pressed and broken by the locking rod 4023. At this time, the spare locking assembly 403 comes into play. When the center piece 4031 rotates slowly, the intermediate wheel 4033 can rotate together. When the locking rod 4023 breaks and the lifting rack 4014 drops rapidly, the intermediate wheel 4033 can rotate together with the locking rod 4023. 33 will be thrown outward, so that the gear groove 4036 is stuck in the inner ring gear 4032 to lock it, and the center piece 4031 will be blocked by the limiting block 4035. At this time, the inner ring gear 4032, the intermediate wheel 4033 and the center piece 4031 are all restricted from rotating, thereby preventing the lifting rack 4014 from further descending, and preventing the top workbench 2 from driving the lifting rack 4014 to descend rapidly when the drive motor 4011 fails, thereby causing the problem of the entire device touching the ground and being damaged.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A welding device for boiler manufacturing, comprising a frame (1), a workbench (2) and a gear box (3), characterized in that: A lifting mechanism (4) is provided at the bottom of the workbench (2); the workbench (2) is located above the frame (1); and a clamping assembly (5) is provided on the surface of the workbench (2); The lifting mechanism (4) comprises a lifting component (401), a first locking component (402) and a spare locking component (403); the lifting component (401) comprises a driving motor (4011), an output shaft (4012), a transmission gear (4013) and a lifting rack (4014); the driving motor (4011) is fixedly arranged on the frame (1); one end of the output shaft (4012) is fixedly arranged on the output end of the driving motor (4011); the transmission gear (4013) is fixedly arranged on the other end of the output shaft (4012); one end of the lifting rack (4014) is fixedly connected to the bottom of the workbench (2) and cooperates with the transmission gear (4013) for transmission.

2. A welding device for boiler manufacturing according to claim 1, characterized in that: The first locking assembly (402) comprises a sliding groove (4021), a sliding block (4022), a locking rod (4023), a locking gear (4024) and a slot (4025); the sliding groove (4021) is arranged at one side of the bottom of the lifting rack (4014); the sliding block (4022) is slidably connected to the inside of the sliding groove (4021); the locking rod (4023) is rotationally connected to one side of the bottom of the lifting rack (4014); the locking gear (4024) is fixedly connected to the output shaft (4012) and rotates synchronously with the transmission gear (4013); and the slot (4025) is arranged at one end of the locking rod (4023) close to the locking gear (4024).

3. A welding device for boiler manufacturing according to claim 1, characterized in that: The backup locking assembly (403) comprises a center piece (4031), an inner ring gear (4032), an intermediate wheel (4033), a movable groove (4034), a limiting block (4035) and a gear groove (4036); the center piece (4031) is fixedly arranged on the output shaft (4012) and is located on one side of the transmission gear (4013); the inner ring gear (4032) is fixedly arranged on the inner side wall of the gear box (3); the intermediate wheel (4033) is arranged on the center piece (4031); the movable groove (4034) is opened at both ends of the center piece (4031); the intermediate wheel (4033) can move in the movable groove (4034); the limiting block (4035) is arranged on one side of the intermediate wheel (4033); and the gear groove (4036) is opened on the circumferential surface of the intermediate wheel (4033).

4. A welding device for boiler manufacturing according to claim 1, characterized in that: The clamping assembly (5) comprises a fixed plate (501), a rotating screw (502), a clamping plate (503) and a buffer pad (504); the fixed plate (501) is fixedly arranged on the workbench (2); the rotating screw (502) is threadedly connected to the inside of the fixed plate (501); the clamping plate (503) is fixedly connected to one side of the rotating screw (502); and the buffer pad (504) is fixedly arranged on one side of the clamping plate (503).

5. A welding device for boiler manufacturing according to claim 2, characterized in that: An adjustment slot (6) is provided on one side of the locking rod (4023), and the locking rod (4023) is rotatable and movable in the adjustment slot (6).

6. A welding device for boiler manufacturing according to claim 1, characterized in that: Auxiliary telescopic rods (7) are arranged between the frame (1) and the workbench (2), and the number of the auxiliary telescopic rods (7) is four groups.

7. A welding device for boiler manufacturing according to claim 1, characterized in that: A telescopic sleeve (8) is arranged on the top of the gear box (3), the top of the telescopic sleeve (8) is arranged on the bottom of the workbench (2), and the telescopic sleeve (8) completely covers the lifting rack (4014).

8. A welding device for boiler manufacturing according to claim 3, characterized in that: The side of the intermediate wheel (4033) close to the gear slot (4036) has a greater weight, so that the intermediate wheel (4033) is always thrown toward the side of the gear slot (4036) due to inertia.

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