Annular supporting device

Abstract

The utility model discloses an annular supporting device which comprises an annular supporting base body, a plurality of sets of fixing bases and a plurality of sets of adjustable supporting rods. The multiple sets of fixing bases are evenly distributed in the circumferential direction and fixedly connected to the upper plane of the annular supporting base body, the multiple sets of adjustable supporting rods are fixedly connected into the fixing bases in a one-to-one correspondence mode through fixing pins and attached to the upper plane of the annular supporting base body, and the adjustable supporting rods are designed to be of a telescopic structure. The appearance diameter of the annular supporting device can be adjusted according to the diameter of a large ring piece needing to be manufactured, the diameter can be adjusted in a stepless mode, the application range of the diameter is large, and the repeated utilization rate of the annular supporting device is greatly improved; welding and processing procedures of the annular workpiece can be shared, so that the operation process is simplified, and the operation efficiency is improved; supporting force is borne through pin shaft and threaded connection, and stability and reliability are achieved.

Description

Technical Field

[0001] The utility model relates to the field of annular support devices, in particular to an annular support device. Background Art

[0002] The manufacturing, processing and transportation of large annular parts usually rely on support devices to complete each process. To make a large annular workpiece into a complete annular workpiece, multiple arc-shaped plates need to be spliced ​​and then welded. To ensure the external dimensions of the spliced ​​annular workpiece, an annular support device is required. However, there are currently few annular support devices that can take into account different diameters and different processes at the same time. For annular parts of different diameters, most of the existing support devices are one support device suitable for the production process of annular parts of one diameter. Therefore, the manufacture of large annular workpieces with multiple diameters will result in the demand for a large number of annular support devices, which will cause waste and take up storage space. For the manufacture of annular parts of the same diameter, the annular support needs to be welded together with the annular support device during splicing and welding to form a stable support. When the annular support device is repeatedly used, it will involve repeated welding and cutting of the annular support, which will cause the annular support device to be damaged and cannot be reused.

[0003] In order to increase the applicable diameter range of the annular support device, reduce material waste caused by different annular support devices required for different diameters, and at the same time improve the support reliability and service life of the annular support device, and maintain functionality after multiple uses, there is an urgent need for an annular support device with a long service life, high reuse rate, applicable to multiple diameters, stable and reliable, and applicable to multiple processes.

[0004] Patent CN220347594 discloses a U-shaped ring positioning support device. This device consists of a disc-shaped support body and multiple detachable support rods mounted on the support body. The support rods are slidable, telescopic, and adjustable. However, this ring positioning support device utilizes friction between the adjustable rods and the inner wall of the support tube as a supporting force. However, the welding of the ring generates significant tension or pressure on the ring positioning support device, making it difficult to rely solely on friction between the adjustable rods and the inner wall of the support tube as a supporting force. Consequently, its stability and reliability are low. Utility Model Content

[0005] The utility model provides an annular support device, which can improve the applicable diameter range of the annular support device, reduce material waste, be applicable to multiple processes, improve working efficiency, and increase the utilization rate, reliability and service life of the annular support device.

[0006] The technical solutions adopted in this utility model are as follows:

[0007] A ring-shaped support device includes a ring-shaped support base, multiple groups of fixed seats and multiple groups of adjustable support rods; the multiple groups of fixed seats are evenly distributed along the circumference and fixedly connected to the upper plane of the ring-shaped support base, the multiple groups of adjustable support rods are fixedly connected to the fixed seats one by one through fixing pins, and fit into the upper plane of the ring-shaped support base, and the ring-shaped support device is connected to the inner wall of the ring-shaped workpiece.

[0008] Furthermore, the annular support base includes a disc base, a reinforcement plate, and an inner ring; the disc base is disc-shaped, and is provided with a plurality of groups of weight-reducing holes evenly distributed along the circumference, a plurality of groups of first pin shaft holes evenly and equidistantly distributed along the circumference for connection with fixing pins, and a plurality of groups of threaded holes evenly and equidistantly distributed along the circumference for bolt connection; the inner ring is fixedly arranged in the middle of the disc base, and the inner ring is concentric with the disc base; the reinforcement plate is fixedly arranged on the lower plane of the disc base, and is evenly distributed along the circumference, and the reinforcement plate is fixedly connected to the inner ring.

[0009] Furthermore, the fixing seat includes a fixing plate, a bolt, and a fixing pin; the fixing plate is in the shape of a "F" and has multiple groups of through holes for bolt tightening at equal intervals on both sides, and multiple groups of second pin holes for connecting the fixing pins in the middle; the fixing plate is fixedly connected to the threaded holes on the disc base through bolts in a one-to-one correspondence, and the hole spacing of the first pin holes on the disc base is the same as the hole spacing of the second pin holes on the fixing plate and the hole spacing of the third pin holes of the support rod. After the fixing plate is fixedly connected to the disc base, the first pin hole and the second pin hole correspond one-to-one and are coaxial in the vertical direction, and the hole diameters of the first pin hole, the second pin hole and the third pin hole are the same; the fixing pin passes through the second pin hole of the fixing plate, the third pin hole of the support rod, and the first pin hole of the disc base to fix the adjustable support rod, so that the adjustable support rod is fixedly connected to the annular support base and the fixing seat.

[0010] Furthermore, the adjustable support rod includes a support rod, an adjustable sleeve, and a locking nut; the support rod is provided with multiple groups of third pin shaft holes for fixing pin connections, the end of the support rod is provided with a threaded head, the locking nut is circumferentially symmetrically provided with a pair of first handles for rotating the locking nut, and the adjustable sleeve is circumferentially symmetrically provided with a pair of second handles for rotating the adjustable sleeve; the adjustable sleeve and the locking nut are both screwed into the threaded head at the end of the support rod, and the adjustable sleeve can be adjusted in the depth of the threaded head as needed, thereby adjusting the overall length of the support rod. Therefore, the distance K from the axis of the first pin shaft hole on the outermost ring of the disc base to the end of the adjustable sleeve can be obtained by adjusting the depth of the adjustable sleeve screwed into the threaded head. max and K min , where K max K is the maximum value of the distance from the axis of the first pin hole on the outermost ring of the disc base to the end of the adjustable sleeve, min is the minimum value of the distance from the axis of the first pin hole on the outermost ring of the disc base to the end of the adjustable sleeve, and K max-K min ≥N, where N is the hole spacing of the third pin hole of the support rod; after the adjustable sleeve is screwed in and the adjustment is completed, the locking nut is rotated and tightened in the opposite direction of the adjustable sleeve, so that the adjustable sleeve, the locking nut and the support rod are reliably fastened together.

[0011] Furthermore, any third pin hole on the adjustable support rod can be aligned with any first pin hole and the second pin hole at the corresponding position. According to the diameter of the annular workpiece to be supported by the annular support device, the adjustable support rod can be selected to correspond to the pin holes to be aligned on the fixed plate and the disc base, and fixed with a fixing pin. The position of the pin hole fixed by the fixing pin is the position of the pin hole that is aligned with the first pin hole, the second pin hole and the third pin hole and is closest to the axis of the disc base; according to the telescopic position adjustment of the adjustable support rod, the minimum diameter D of the annular workpiece to which the annular support device can be applied min =2×(P+K min ), where P is the distance from the axis of the disc base to the axis of the first pin hole on the outermost ring of the disc base; the maximum diameter D of the annular workpiece to which the annular support device can be applied max =2×(P+L+K max ), where L is the distance between the outermost end and the innermost third pin hole on the adjustable support rod.

[0012] The utility model has the following beneficial effects:

[0013] 1. The annular support device provided by the present invention can adjust the outer diameter of the annular support device according to the diameter of the large ring piece to be manufactured, and the diameter size is steplessly adjustable. Therefore, a single annular support device can be used to manufacture all large ring pieces within the diameter range of the annular support device, which is highly versatile and reduces the waste of raw materials and labor costs in manufacturing annular support devices with different diameter requirements.

[0014] 2. The annular support device provided by the utility model can be applied to multiple processes. It can be used as a support for the splicing welding of annular workpieces to prevent welding deformation, and can also be used as a support for processing. After welding is completed, it can be directly transferred to the processing step for processing, simplifying the operation process and improving operation efficiency.

[0015] 3. The annular support device provided by the utility model is characterized by the length adjustment of the adjustable support rod using the segmented pin hole and the thread adjustment of the adjustable sleeve at the end, and its supporting effect is stable and reliable;

[0016] 4. The adjustable sleeve of the annular support device provided by the utility model is detachable and replaceable, which prevents the entire annular support device from being scrapped and unusable due to repeated welding or cutting of the connection between the adjustable sleeve and the annular workpiece, thereby increasing the service life of the annular support device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front perspective schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a reverse perspective schematic diagram of the overall structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the fixing seat structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the adjustable support rod structure of the utility model;

[0021] Figure 5 This is a schematic diagram of a half-section structure of the overall structure of the utility model;

[0022] Figure 6 It is a schematic diagram of the state of the annular support device supporting an annular workpiece in a preferred embodiment of the utility model.

[0023] Legend

[0024] 1. Annular support base; 2. Fixed seat; 3. Adjustable support rod; 4. Annular workpiece; 11. Disc base; 12. Reinforcement plate; 13. Inner ring; 101. First pin hole; 102. Threaded hole; 103. Lightening hole; 21. Fixed plate; 22. Bolt; 23. Fixed pin; 201. Second pin hole; 31. Support rod; 32. Adjustable sleeve; 33. Locking nut; 301. Third pin hole; 302. Threaded head; 303. First handle; 304. Second handle. DETAILED DESCRIPTION

[0025] The present invention is described in detail below through the accompanying drawings and embodiments.

[0026] like Figure 1 、 Figure 2 and Figure 6 As shown, a preferred embodiment of the present invention provides an annular support device, comprising: an annular support base 1, multiple sets of fixed seats 2, and multiple sets of adjustable support rods 3. The multiple sets of fixed seats 2 are evenly distributed along the circumference and fixedly connected to the upper surface of the annular support base 1. The multiple sets of adjustable support rods 3 are fixedly connected to the fixed seats 2 in a one-to-one correspondence via fixing pins 23 and are in contact with the upper surface of the annular support base 1. The annular support device is connected to the inner wall of an annular workpiece 4.

[0027] like Figure 6 The figure shows the ring supporting state of the annular supporting device of the present invention. The specific implementation steps are as follows:

[0028] Step 1: Preliminarily adjust the extension length of the support rod 31 of the adjustable support rod 3 according to the inner diameter of the ring to be manufactured, and fix it with the fixing pin 23.

[0029] Step 2: Accurately adjust the screwing depth of the adjustable sleeve 32 on the threaded head 302 according to the inner diameter of the ring to be produced, and lock the adjustable sleeve 32 with the lock nut 33 to prevent the adjustable sleeve 32 from moving on the threaded head 302. According to the operations of steps 1 and 2, the advantage of the annular support device is that the diameter range supported by the annular support device can be adjusted accordingly according to the actual workpiece diameter size requirements, and the adjustment diameter size is infinitely adjustable within the specified range. That is, a single annular support device can be used to produce and use all large rings within the diameter coverage range of the annular support device, with strong versatility, greatly reducing the demand for annular support devices of different diameters, thereby reducing the waste of raw materials and labor costs in producing the annular support device.

[0030] Step 3: Place the inner wall of the formed ring arc block in contact with the adjustable sleeve 32 of the annular support device and press them together, spot weld and rivet the arc block joints, and weld the adjustable sleeve 32 of the annular support device to the inner wall of the ring to form a Figure 6 The annular support device in this case provides reliable support for the welding of the rings, preventing deformation during welding between the ring segments. The adjustable sleeve 32 is a detachable threaded connection. This provides a stable and reliable support force, and after repeated welding and cutting of the adjustable sleeve 32 from the rings, if it becomes damaged, it can be promptly replaced without having to scrap the entire annular support device, thereby extending the service life of the annular support device.

[0031] Step 4: If the annular workpiece 4 requires external machining, the annular support device can be transferred to the processing machine along with the welded workpiece for external machining. The advantage of the annular support device in this case is that it is applicable to multiple processes. It not only serves as a welding support for the annular workpiece 4, but also provides additional support for the workpiece during the machining process to prevent machining errors caused by deformation. At the same time, it eliminates the need for additional support during the machining process, which can improve work efficiency.

[0032] Step 5: Cut off and separate the welding between the adjustable sleeve 32 of the annular support device and the inner wall of the ring, and remove the annular support device.

[0033] The utility model provides an annular support device. By adjusting the length of the support rod 31, the annular support device can be applied to all annular workpieces within an adjustable diameter range and can be infinitely adjustable. Therefore, the annular support device has strong versatility, greatly improves the utilization rate of the annular support device, reduces the waste of raw materials and labor in making annular support devices of various diameters, and reduces the space occupied by the annular support device. The adjustable sleeve 32 of the annular support device is a detachable structure with a threaded connection. The threaded connection can withstand the support force stably and reliably. After the adjustable sleeve 32 is welded and cut off from the ring piece multiple times, if it is damaged, it can be replaced in time without scrapping the entire annular support device, thereby increasing the service life of the annular support device. The annular support device can be applied to multiple processes. It can not only serve as a welding support for the annular workpiece 4, but also support the workpiece again during the processing process to prevent processing errors caused by processing deformation. It can support multiple processes at one time, thereby improving work efficiency.

[0034] like Figure 2 As shown, the annular support base 1 includes a disc base 11, a reinforcement plate 12, and an inner ring 13. The disc base 11 is disc-shaped and is provided with multiple groups of weight-reducing holes 103 evenly distributed along the circumference, multiple groups of first pin shaft holes 101 evenly and evenly distributed along the circumference for connection with the fixing pin 23, and multiple groups of threaded holes 102 evenly and evenly distributed along the circumference for connection with the bolt 22. The inner ring 13 is fixedly set in the middle of the disc base 11 and is concentric with the disc base 11. The reinforcement plate 12 is fixedly set on the lower plane of the disc base 11 and is evenly distributed along the circumference. The reinforcement plate 12 is fixedly connected to the inner ring 13.

[0035] like Figure 3 The figure shows a fixing base 2 of an annular support device, which includes a fixing plate 21, bolts 22, and fixing pins 23. The fixing plate 21 is in the shape of an "X" (a cross), with multiple sets of through holes for fastening with bolts 22 at equal intervals on both sides, and multiple sets of second pin holes 201 for connecting with the fixing pins 23 in the middle. The fixing plate 21 is fixedly connected to the threaded holes 102 on the disc base 11 via the bolts 22, one-to-one. The hole spacing of the first pin holes 101 on the disc base 11 is the same as the hole spacing of the second pin holes 201 on the fixing plate 21 and the hole spacing of the third pin holes 301 of the support rod 31. After the fixing plate 21 is fixedly connected to the disc base 11, the first pin holes 101 and the second pin holes 201 correspond one-to-one in the vertical direction and are coaxial. The hole diameters of the first pin holes 101, the second pin holes 201, and the third pin holes 301 are the same. The fixing pin 23 passes through the second pin hole 201 of the fixing plate 21, the third pin hole 301 of the support rod 31, and the first pin hole 101 of the disc base 11 to fix the adjustable support rod 3, so that the adjustable support rod 3 is fixedly connected to the annular support base 1 and the fixing seat 2.

[0036] like Figure 4 The figure shows the adjustable support rod 3 of the annular support device, which includes a support rod 31, an adjustable sleeve 32, and a locking nut 33. The support rod 31 is provided with multiple sets of third pin holes 301 for connecting with the fixing pin 23. The end of the support rod 31 is provided with a threaded head 302. The locking nut 33 is symmetrically provided with a pair of first handles 303 for rotating the locking nut 33. The adjustable sleeve 32 is symmetrically provided with a pair of second handles 304 for rotating the adjustable sleeve 32. Figure 5 As shown, the adjustable sleeve 32 and the locking nut 33 are screwed into the threaded head 302 at the end of the support rod 31, and the depth of the adjustable sleeve 32 screwed into the threaded head 302 can be adjusted as needed, thereby adjusting the overall length of the support rod 31. Therefore, the distance K from the axis of the first pin shaft hole 101 on the outermost circle of the disc base 11 to the end of the adjustable sleeve 32 can be obtained by adjusting the depth of the adjustable sleeve 32 screwed into the threaded head 302. max and K min , where K max K is the maximum value of the distance from the axis of the first pin hole 101 on the outermost circle of the disc base 11 to the end of the adjustable sleeve 32, min is the minimum value of the distance from the axis of the first pin hole 101 on the outermost circle of the disc base 11 to the end of the adjustable sleeve 32, and K max -K min ≥N, where N is the hole spacing of the third pin hole 301 of the support rod 31. Therefore, the support outer diameter of the annular support device can be infinitely adjusted within the adjustable diameter range; after the adjustable sleeve 32 is screwed in and the adjustment is completed, the locking nut 33 is rotated and tightened in the opposite direction of the screwing-in of the adjustable sleeve 32, so that the adjustable sleeve 32, the locking nut 33 and the support rod 31 are reliably fastened together.

[0037] like Figure 5 The figure shows a cross-sectional view of the annular support device. Any third pin hole 301 on the adjustable support rod 3 can be aligned with any first pin hole 101 and the second pin hole 201 at the corresponding position. According to the diameter of the annular workpiece 4 to be supported by the annular support device, the adjustable support rod 3 can be selected to correspond to the pin holes to be aligned on the fixing plate 21 and the disc base 11, and fixed with a fixing pin 23. The position of the pin hole fixed by the fixing pin 23 is the position of the pin hole that is aligned with the first pin hole 101, the second pin hole 201 and the third pin hole 301 and is closest to the axis of the disc base 11; according to the adjustment of the telescopic position of the adjustable support rod 3, the minimum diameter D of the annular workpiece 4 to which the annular support device can be applied min =2×(P+K min ), where P is the distance from the axis of the disc base 11 to the axis of the first pin hole 101 of the outermost circle of the disc base 11; the maximum diameter D of the annular workpiece 4 to which the annular support device is applicablemax =2×(P+L+K max ), where L is the distance between the outermost end and the innermost third pin hole 301 on the adjustable support rod 3.

[0038] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. An annular support device, characterized in that: The annular support device comprises an annular support base (1), multiple sets of fixing seats (2) and multiple sets of adjustable support rods (3); The plurality of sets of fixing seats (2) are evenly distributed along the circumference and fixedly connected to the upper plane of the annular support base (1); the plurality of sets of adjustable support rods (3) are fixedly connected to the fixing seats (2) in a one-to-one correspondence via fixing pins (23) and fit in place with the upper plane of the annular support base (1); and the annular support device is connected to the inner wall of the annular workpiece (4).

2. The annular support device according to claim 1, characterized in that: The annular support base (1) comprises a disc base (11), a reinforcing plate (12), and an inner ring (13); The disc base (11) is disc-shaped and is provided with a plurality of groups of weight-reducing holes (103) uniformly distributed along the circumference, a plurality of groups of first pin shaft holes (101) uniformly and evenly spaced along the circumference for connection with the fixing pins (23), and a plurality of groups of threaded holes (102) uniformly and evenly spaced along the circumference for connection with the bolts (22); The inner ring (13) is fixedly arranged in the middle of the disc base (11), and the inner ring (13) and the disc base (11) are concentric; The reinforcing plates (12) are fixedly arranged on the lower plane of the disc base (11) and are evenly distributed along the circumference. The reinforcing plates (12) are fixedly connected to the inner ring (13).

3. The annular support device according to claim 1, characterized in that: The fixing seat (2) comprises a fixing plate (21), a bolt (22), and a fixing pin (23); The fixing plate (21) is in the shape of a Chinese character "F", with multiple groups of through holes for fastening with bolts (22) arranged at equal intervals on both sides, and multiple groups of second pin shaft holes (201) for connecting fixing pins (23) arranged in the middle; The fixing plate (21) is fixedly connected to the threaded holes (102) on the disc base (11) in a one-to-one correspondence through bolts (22); the hole spacing of the first pin shaft hole (101) on the disc base (11) is the same as the hole spacing of the second pin shaft hole (201) on the fixing plate (21) and the hole spacing of the third pin shaft hole (301) of the support rod (31); after the fixing plate (21) is fixedly connected to the disc base (11), the first pin shaft hole (101) and the second pin shaft hole (201) correspond to each other in a vertical direction and are coaxial; the hole diameters of the first pin shaft hole (101), the second pin shaft hole (201) and the third pin shaft hole (301) are the same; The fixing pin (23) passes through the second pin shaft hole (201) of the fixing plate (21), the third pin shaft hole (301) of the support rod (31), and the first pin shaft hole (101) of the disc base (11) to fix the adjustable support rod (3), thereby fixing the adjustable support rod (3) to the annular support base (1) and the fixing seat (2).

4. The annular support device according to claim 3, characterized in that: The adjustable support rod (3) comprises a support rod (31), an adjustable sleeve (32), and a locking nut (33); The support rod (31) is provided with a plurality of third pin shaft holes (301) for connection with the fixing pin (23); a threaded head (302) is provided at the end of the support rod (31); a pair of first handles (303) for rotating the lock nut (33) are symmetrically provided on the lock nut (33); and a pair of second handles (304) for rotating the adjustable sleeve (32) are symmetrically provided on the adjustable sleeve (32); The adjustable sleeve (32) and the locking nut (33) are both screwed into the threaded head (302) at the end of the support rod (31), and the depth of the adjustable sleeve (32) screwed into the threaded head (302) can be adjusted as needed, thereby adjusting the overall length of the support rod (31). Therefore, the distance K from the axis of the first pin shaft hole (101) of the outermost circle of the disc base (11) to the end of the adjustable sleeve (32) can be obtained by adjusting the depth of the adjustable sleeve (32) screwed into the threaded head (302). max and K min , where K max K is the maximum value of the distance from the axis of the first pin hole (101) on the outermost circle of the disc base (11) to the end of the adjustable sleeve (32), min is the minimum value of the distance from the axis of the first pin hole (101) of the outermost circle of the disc base (11) to the end of the adjustable sleeve (32), and K max -K min ≥N, wherein N is the hole spacing of the third pin hole (301) of the support rod (31); after the adjustable sleeve (32) is screwed in and the adjustment is completed, the locking nut (33) is rotated and tightened in the opposite direction of the screwing-in of the adjustable sleeve (32), so that the adjustable sleeve (32), the locking nut (33) and the support rod (31) are reliably fastened together.

5. The annular support device according to claim 4, characterized in that: Any third pin hole (301) on the adjustable support rod (3) can be aligned with any first pin hole (101) and the second pin hole (201) at the corresponding position. According to the diameter of the annular workpiece (4) to be supported by the annular support device, the adjustable support rod (3) can be selected to correspond to the pin holes to be aligned on the fixed plate (21) and the disc base (11), and fixed with a fixing pin (23). The position of the pin hole fixed by the fixing pin (23) is the position of the pin hole that is aligned with the first pin hole (101), the second pin hole (201) and the third pin hole (301) and is closest to the axis of the disc base (11); According to the telescopic position adjustment of the adjustable support rod (3), the minimum diameter D of the annular workpiece (4) applicable to the annular support device is min =2×(P+K min ), wherein P is the distance from the axis of the disc base (11) to the axis of the first pin hole (101) of the outermost circle of the disc base (11); the maximum diameter D of the annular workpiece (4) to which the annular support device is applicable max =2×(P+L+K max ), wherein L is the distance between the outermost end and the innermost third pin hole (301) on the adjustable support rod (3).

Images