CN218785328U - Supporting device for welding box - Google Patents

Abstract

The utility model relates to a box welding technology field, concretely relates to strutting arrangement is used in box welding. A supporting device for welding a box body comprises a main body, wherein two ends of the main body are respectively in threaded connection with a feeding screw rod which linearly feeds along the axial direction of the main body; the supporting body is arranged at one end, opposite to each other, of each of the two feeding screws, the elastic piece is arranged between the supporting body and the corresponding feeding screw, the elastic pieces are used for applying elastic force, far away from each other, to the supporting body and the corresponding feeding screw when the supporting body and the corresponding feeding screw are close to each other, and the anti-falling structure is arranged between the supporting body and the opposite end of the corresponding feeding screw. The elastic piece has the elasticity of keeping away from each other to the supporter and the feed screw that are close to each other for the holding surface at both ends props the deformation position of box inner wall respectively, and the strutting arrangement props fixedly on the box inner wall, only needs an operating personnel can accomplish weldment work, and need not extra operating personnel and bear strutting arrangement's weight, reduces operating personnel's intensity of labour.

Description

Supporting device for welding box

Technical Field

The utility model relates to a box welding technology field, concretely relates to strutting arrangement is used in box welding.

Background

The box of transformer tank is usually formed by the panel assembly welding of default size, and in the welding and after the welding completion because of the difference of panel shrink degree can lead to the partial structure on the box to produce deformation, if untimely set up strutting arrangement in the deformation position and retrain, must influence the whole overall dimension of transformer tank box.

A common supporting device in the prior art is a turn buckle, which includes a main body 22 and two screws 23 disposed opposite to each other and threadedly engaged with the main body 22, as shown in fig. 1, and the overall length of the turn buckle is changed by rotating the screws 23. The required supporting position is measured before the turn buckle is used so as to serve as a reference value for presetting the size of the turn buckle, and the end parts of the two screw rods 23 are respectively fixed on the inner wall of the deformation position of the box body in a spot welding mode during use so as to prevent the plate from inwards sinking or outwards protruding and deforming.

The extendible length of turn buckle is shorter, is difficult to be suitable for the great box of size, if the length of increase main part or change the screw rod into bigger model increase turn buckle's overall length, can increase turn buckle's weight, increases operating personnel spot welding strutting arrangement's the degree of difficulty, consequently, adds the section bar that welding weight is lighter at the both ends of screw rod and increases turn buckle's overall length usually. Before adding the welding section bar, the turn buckle need be according to the relative distance at the deformation position constantly to carry out the pre-adjustment on the size of section bar size and the box inner wall, for the convenience of turn buckle pack into the box, the size that needs turn buckle to add after welding the section bar slightly is less than the size between two inner walls of box, and this leads to strutting arrangement's the unable stretching in both ends to be fixed on the inner wall of box. When welding strutting arrangement in the box, need an operating personnel to hold strutting arrangement, another operating personnel spot welding strutting arrangement's both ends respectively, intensity of labour is higher, and extravagant human cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a strutting arrangement is used in box welding solves the higher technical problem of human cost when welding strutting arrangement in the prior art in the box.

In order to achieve the above object, the utility model discloses strutting arrangement for box welding's technical scheme is:

a supporting device for welding a box body comprises a main body, wherein two ends of the main body are respectively in threaded connection with a feeding screw rod which linearly feeds along the axial direction of the main body; one end of each of the two feed screws, which is opposite to the other end, is provided with a support body, and each support body is provided with a support surface which is matched with the inner wall surface of the box body; an elastic piece is arranged between the support body and the corresponding feed screw, when the support body and the corresponding feed screw are close to each other, the elastic piece is used for applying elastic force which is far away from the support body and the corresponding feed screw, and an anti-falling structure which is used for preventing the support body from falling off from the feed screw is arranged between the support body and the opposite end of the corresponding feed screw.

The beneficial effects are that: the utility model discloses a before strutting arrangement for box welding uses, advance the pre-adjustment, pivoted main part can drive both ends screw-thread fit's feed screw along the straight line feed to the supporter motion at drive both ends, the overall length until strutting arrangement is a bit bigger than the interval between the box inner wall. When the supporting device is placed in the box body, an operator presses the supporting bodies at the two ends to the corresponding feeding screws respectively until the total length of the supporting device is smaller than the distance between the inner walls of the box body, so that the supporting device can be smoothly placed in the box body. The supporting body is loosened, the elastic piece has elastic force which is far away from the supporting body and the feeding screw which are close to each other, the supporting surfaces at the two ends respectively prop the deformation part of the inner wall of the box body, the supporting device props and is fixed on the inner wall of the box body, only one operator is needed to complete welding work, extra operators are not needed to bear the weight of the supporting device, and the labor intensity of the operators is reduced. Wherein, the anti-disengaging structure prevents the support body from disengaging from the feed screw.

In a further improvement, the supporting body is a supporting cylinder which is sleeved on the feeding screw rod, and the elastic piece is arranged in the supporting cylinder.

The beneficial effects are that: design like this, support a section of thick bamboo can be better lead the elastic component, moreover, support a section of thick bamboo and directly overlap and establish on feed screw, simple structure, the assembly of being convenient for.

The improved structure is characterized in that a long hole extending along the axial direction of the feed screw is formed in the wall of the support cylinder, an anti-falling part connected with the feed screw penetrates through the long hole, and the long hole and the anti-falling part jointly form an anti-falling structure.

The beneficial effects are that: by the design, the long hole and the anti-falling piece can not only realize the anti-falling effect between the support barrel and the feed screw, but also realize the circumferential rotation stopping between the support barrel and the feed screw so as to hold the support barrel to limit the rotation of the feed screw when the rotary sleeve is rotated.

The improved structure is characterized in that the anti-falling part is an anti-falling rod, the number of the long holes is two, the two long holes are located on the wall of the supporting barrel opposite to the circumferential direction of the supporting barrel, the end part, close to the corresponding supporting barrel, of the feeding screw rod is provided with a radial through hole, and the anti-falling rod penetrates through the long holes and the radial through hole.

The beneficial effects are that: by the design, the anti-disengaging structure is uniformly distributed on the circumferential direction of the supporting cylinder, so that the supporting cylinder is kept balanced on the feeding screw rod, and the balance of the supporting force of the supporting surface of the supporting cylinder on the inner wall of the box body is improved.

The supporting cylinder comprises a cylinder body and a supporting plate fixed at one end, far away from the feeding screw, of the cylinder body, the supporting surface is arranged on the supporting plate, and the supporting plate is detachably connected and fixed with the cylinder body.

The beneficial effects are that: by the design, the supporting plate with the corresponding shape can be replaced according to the shape of the deformation part of the inner wall of the box body, and the universality of the supporting device for welding the box body is improved.

In a further improvement, the main body comprises a rotary sleeve and two nuts respectively fixed at two ends of the rotary sleeve, and the nuts are in threaded fit with the corresponding feed screws.

The beneficial effects are that: design like this, rotating sleeve and nut can directly choose for use current section bar, reduce the quantity of processing part, and rotating sleeve's weight is lighter, can reduce strutting arrangement's weight, is favorable to strutting arrangement shore on the box inner wall.

In a further improvement, the supporting device for welding the box body further comprises a holding ring seat, the holding ring seat is provided with an inner cavity, and the nut is positioned and assembled in the inner cavity along the axial direction of the holding ring seat.

The beneficial effects are that: due to the design, when the operating personnel rotate the rotary sleeve, the holding ring seat can be held, and the use comfort of the supporting device is improved.

The improved structure is characterized in that the holding ring seat comprises a bearing seat and a plug fixed in the bearing seat, a bearing is arranged between the bearing seat and the plug in a pressing mode, and a nut is fixedly arranged in the bearing in a penetrating mode.

The beneficial effects are that: by the design, sliding friction between the holding ring seat and the nut is converted into rolling friction by the bearing, so that the nut is rotated more quickly and more labor-saving.

In a further improvement, the nut is a tapered nut.

The beneficial effects are that: by means of the design, the bearing is prevented from moving in the axial direction of the holding ring seat.

In a further improvement, one of the two feed screws is provided with a forward thread, and the other feed screw is provided with a reverse thread.

The beneficial effects are that: after the supporting device is welded and fixed on the inner wall of the box body, the supporting cylinder and the feeding screw are circumferentially stopped, so that the length of the supporting device can be finely adjusted by rotating the main body, and the adaptation degree of the supporting device and the inner wall of the box body is improved.

Drawings

FIG. 1 is a schematic structural view of a prior art turn buckle;

FIG. 2 is a schematic structural view of the supporting device for welding the box body of the present invention;

FIG. 3 is a front view of FIG. 2;

FIG. 4 is a cross-sectional view of FIG. 3;

fig. 5 is a partially enlarged view of fig. 4.

Description of reference numerals: 11. rotating the sleeve; 12. a feed screw; 13. a bearing seat; 14. a bearing; 15. a plug; 16. a cone nut; 17. a support cylinder; 18. a support plate; 19. a bolt; 20. a long hole; 21. a spring; 22. a main body; 23. a screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, in the embodiments of the present invention, relational terms such as "first" and "second", and the like, which may be present in the embodiments, are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that such actual relationships or sequences between the entities or operations exist. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the statement that "comprises a … …," or the like, may occur does not preclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the elements.

In the description of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "connected" that may be present are to be construed broadly, e.g., as a fixed connection, a releasable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be described in further detail with reference to examples.

The utility model discloses in the box that provides support arrangement for welding embodiment 1:

in this embodiment, the supporting device for welding the tank body is used for supporting the deformation portion on the inner wall of the tank body of the transformer oil tank. As shown in fig. 2 to 4, the supporting device for welding the box body comprises a main body, the main body comprises a rotary sleeve 11 and two conical nuts 16 welded and fixed at two ends of the rotary sleeve 11 respectively, each conical nut 16 is connected with a feed screw 12 in a threaded manner, the conical nuts 16 and the feed screws 12 form a screw nut structure, the thread turning directions of the two feed screws 12 are opposite, and the rotary sleeve 11 is rotated to drive the feed screws 12 at two ends to simultaneously and linearly move in opposite directions, so that the total length of the supporting device is adjusted. The internal thread of the cone nut 16 and the external thread of the feed screw 12 are both trapezoidal threads, and compared with the traditional thread-shaped threads, the thread-shaped thread has better stress performance and longer service life.

The supporting device for welding the box body further comprises two holding ring seats which are distributed at intervals along the left direction and the right direction, each holding ring seat comprises a bearing seat 13 and a plug 15 fixed in the bearing seat 13, a bearing 14 is arranged between the bearing seat 13 and the plug 15 in a pressing mode, and the plug 15 presses the outer ring of the bearing 14, so that the outer ring of the bearing 14 cannot rotate circumferentially. An inner cavity is formed in the plug 15, the conical nut 16 is located in the inner cavity, and two ends of the rotary sleeve 11 penetrate through the plug 15 and are fixedly connected with the conical nut 16. The small diameter end of the cone nut 16 is embedded into the inner ring of the bearing 14 to be positioned and assembled in the bearing seat 13 along the axial direction of the bearing seat 13, and the inner ring of the bearing 14 and the cone nut 16 rotate together when the rotary sleeve 11 rotates to convert the sliding friction force between the bearing seat 13 and the cone nut 16 into the rolling friction force, so that the rotation operation is more convenient and labor-saving.

As shown in fig. 5, the supporting cylinders 17 are respectively sleeved at the opposite ends of the two feeding screws 12, the supporting cylinders 17 form a supporting body, and after the supporting device is placed in the box body, the supporting cylinders 17 at the two ends support the deformed part on the inner wall of the box body. The structures of the left and right support cylinders 17 are the same, and the structure of the left support cylinder 17 will be described below as an example. The supporting cylinder 17 comprises a cylinder body and a supporting plate 18 fixed at the end part of the cylinder body, the cylinder body is sleeved on the feeding screw rod 12, slot holes 20 are formed in opposite side walls of the cylinder body, the end part, close to the supporting cylinder 17, of the feeding screw rod 12 is provided with radial through holes, a bolt 19 penetrates into the slot holes 20 and the radial through holes, one end, far away from the head part of the bolt 19, of the bolt 19 is connected with a nut, the head part of the bolt 19 and the nut are located outside the supporting cylinder 17, and therefore the supporting cylinder 17 is prevented from being separated from the feeding screw rod 12. Since the elongated hole 20 extends in the axial direction of the support cylinder 17, the support cylinder 17 can be moved together only when the feed screw 12 brings the bolt 19 into contact with the wall of the elongated hole 20. In this embodiment, the side of the support plate 18 facing the inner wall of the housing constitutes a support surface for supporting the inner wall of the housing. The bolt 19 forms a retaining bar, which forms a retaining element, and the elongated hole 20 and the retaining bar together form a retaining structure between the support cylinder 17 and the feed screw 12. In other embodiments, the anti-slip rod may be a pin.

A spring 21 is arranged in the supporting cylinder 17, the spring 21 is a compression spring, one end of the spring 21 is abutted against the bolt 19, and the other end of the spring 21 is abutted against the supporting plate 18. The supporting cylinder 17 can be close to the feed screw 12 through the movement of the bolt 19 in the long hole 20, so that the spring 21 is compressed, the compressed spring 21 has the elastic force which is mutually far away from the supporting cylinder 17 and the feed screw 12 along the axial direction, and then the supporting cylinders 17 at the two ends can be respectively supported and fixed on the inner wall of the box body after the supporting device is placed into the box body, so that an operator does not need to bear the weight of the supporting device to perform subsequent spot welding, the number of the operators is reduced, the labor cost is reduced, and the labor intensity is reduced. Moreover, the supporting device can achieve a better positioning and supporting effect on the inner wall of the box body after being welded on the inner wall of the box body, so that the deformation of the deformation part of the box body is restrained better. In the present embodiment, the spring 21 constitutes an elastic member. In other embodiments, the resilient member is a highly elastic rubber.

It should be noted that, the end face of the bottom end of the cylinder is provided with a connecting hole extending along the radial direction of the cylinder, the support plate 18 is provided with a corresponding threaded hole, and the cylinder is connected with the support plate 18 through a screw. When the shape of the support plate 18 is different from the shape of the deformed portion of the inner wall of the case, the support plate 18 of the corresponding shape may be replaced so as to ensure the supporting force of the support plate 18 against the deformed portion of the inner wall of the case. Moreover, when the supporting device for welding the tank body cannot meet the size of the transformer oil tank, the rotating sleeve 11 with the corresponding length can be replaced according to the size of the tank body.

Before the supporting device for welding the tank body is used, the distance between the inner walls of the tank body of the oil tank is measured to obtain a preset value of the supporting device, when the supporting device is used for presetting, the supporting device is abutted against the supporting cylinder 17 at one end of the supporting device, one hand of an operator holds the supporting cylinder 17 at the other end, the other hand rotates the rotary sleeve 11, and the feeding screw 12 drives the supporting cylinder 17 to linearly move outwards together until the total length of the supporting device is slightly larger than the preset value. Then, the operator presses the support cylinders 17 at both ends against the corresponding feed screws 12, respectively, until the length of the support means is less than a preset value, and the feed screws 12 compress the springs 21 by means of the bolts 19. The supporting device is placed in the box body, two ends of the supporting device respectively abut against deformation parts on the inner wall of the box body, at the moment, the supporting cylinder 17 is still close to the feeding screw 12 relative to the position during pre-adjustment, the feeding screw 12 still compresses the spring 21 through the bolt 19, and the feeding screw 12 and the supporting cylinder 17 are subjected to the elastic force which enables the feeding screw 12 and the supporting cylinder 17 to be far away from each other through the spring 21, so that the supporting device is supported and fixed on the inner wall of the box body. And finally, the operator fixes the two ends of the supporting device on the inner wall of the box body by spot welding respectively. If the deformation part of the inner wall of the box body is not adjusted in place, an operator holds the holding ring seat with one hand and rotates the rotary sleeve 11 with the other hand, so that the bolts 19 at the end part of the feed screw 12 move in the corresponding long holes 20, and the deformation part is ensured to reach the expectation.

The utility model discloses an among the strutting arrangement is used in box welding, box welding is with strutting arrangement is adjusted the size in advance and is put into the box back, the spring of compression has the elasticity that makes both keep away from each other to the supporter that is close to each other and feed screw for the holding surface at both ends is the deformation position of shore box inner wall respectively, the strutting arrangement shore is fixed on the box inner wall, and only need an operating personnel can accomplish weldment work, need not extra operating personnel and bear strutting arrangement's weight, reduce operating personnel's intensity of labour, and the human cost is reduced. Moreover, the supporting device has a good supporting and positioning effect on the inner wall of the box body, and the restraining effect of the supporting surface on the deformed part is improved.

The utility model discloses in the box that provides support arrangement's for welding embodiment 2:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the support body is a support cylinder 17, the support cylinder 17 is sleeved on the feed screw 12, and the spring 21 is arranged in the support cylinder 17. In this embodiment, the support body is a support rod and a plate body fixed at one end of the support rod far away from the feed screws 12, the spring 21 is sleeved on the support rod, the opposite ends of the two feed screws 12 are provided with axially extending installation cavities, and one end of the support rod close to the feed screws 12 is installed in the installation cavity in a separation-proof manner.

The utility model discloses in the box that provides support arrangement for welding embodiment 3:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the opposite side walls of the support cylinder 17 are provided with long holes 20, the long holes 20 extend in the axial direction of the feed screw 12, bolts 19 connected to the feed screw 12 are inserted into the long holes 20, the bolts 19 form a retaining rod, and the long holes 20 and the bolts 19 together form a retaining structure. In this embodiment, the outer peripheral surface of the front end of the feed screw 12 is provided with a long hole 20 penetrating in the radial direction, the opposite side walls of the support cylinder 17 are provided with through holes, and the bolt 19 passes through the through holes and the long hole 20. In other embodiments, a stopper may be disposed on the inner wall of the support cylinder 17, the front end of the feed screw 12 has a small-diameter section, a flange is disposed on the outer circumferential surface of the small-diameter section, the flange and the stopper are in axial stop fit, and the stopper and the flange together form an anti-slip structure.

The utility model discloses in the box that provides support arrangement for welding embodiment 4:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the support cylinder 17 includes a cylinder body and a support plate 18 fixed to an end of the cylinder body remote from the feed screw 12, and the support plate 18 is detachably fixed to the cylinder body. In this embodiment, the support plate 18 is welded to the end of the barrel remote from the feed screw 12.

The utility model discloses in the box that provides support arrangement for welding embodiment 5:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the main body includes a rotary sleeve 11 and two taper nuts 16 fixed to both ends of the rotary sleeve 11, respectively, and the taper nuts 16 are screw-engaged with the respective feed screws 12. In this embodiment, the main body only includes the rotary sleeve 11, and the inner walls of the two ends of the rotary sleeve 11 are provided with internal threads. In other embodiments, the structure of the body may be that of a prior art turn buckle 22. Of course, it is also possible to replace the taper nut 16 with a hexagonal nut and spot-weld the hexagonal nut to the inner race of the bearing 14.

The utility model discloses in the box that provides support arrangement for welding embodiment 6:

the present embodiment is different from embodiment 1 in that: in embodiment 1, one of the two feed screws 12 is a forward screw and the other is a reverse screw. In the present embodiment, the thread directions of the two feed screws 12 are the same, and at this time, the length of the support device cannot be adjusted after the support device is welded and fixed in the box body.

The above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all that is applied to the structural changes made by the contents of the specification and the drawings of the present invention, and the same principle should be included in the protection scope of the present invention.

Claims (10)

1. A supporting device for welding a box body comprises a main body, wherein two ends of the main body are respectively in threaded connection with a feeding screw rod (12) which linearly feeds along the axial direction of the main body; the device is characterized in that supporting bodies are arranged at the opposite ends of the two feeding screws (12), and each supporting body is provided with a supporting surface matched with the inner wall surface of the box body; an elastic member is arranged between the supporting body and the corresponding feed screw (12), the elastic member is used for applying elastic force which is far away from the supporting body and the corresponding feed screw (12) when the supporting body and the corresponding feed screw (12) are close to each other, and an anti-falling structure for preventing the supporting body from falling off from the feed screw (12) is arranged between the supporting body and the opposite end of the corresponding feed screw (12).

2. The supporting device for welding the box body according to claim 1, wherein the supporting body is a supporting cylinder (17), the supporting cylinder (17) is sleeved on the feeding screw rod (12), and the elastic member is arranged in the supporting cylinder (17).

3. The supporting device for welding the box body according to claim 2, wherein a long hole (20) extending along the axial direction of the feeding screw (12) is formed in the wall of the supporting cylinder (17), a separation preventing member connected with the feeding screw (12) penetrates through the long hole (20), and the long hole (20) and the separation preventing member together form a separation preventing structure.

4. The support device for welding the tank according to claim 3, wherein the anti-drop member is an anti-drop rod, two long holes (20) are provided on the walls of the support cylinder (17) opposite to each other in the circumferential direction thereof, the end of the feed screw (12) close to the corresponding support cylinder (17) is provided with a radial through hole, and the anti-drop rod passes through the long holes (20) and the radial through hole.

5. The support device for welding the box body according to any one of claims 2 to 4, wherein the support cylinder (17) comprises a cylinder body and a support plate (18) fixed at one end of the cylinder body far away from the feed screw (12), the support surface is arranged on the support plate (18), and the support plate (18) is detachably connected and fixed with the cylinder body.

6. The support device for welding the tank according to any one of claims 1 to 4, wherein the main body comprises a rotary sleeve (11) and two nuts respectively fixed to both ends of the rotary sleeve (11), the nuts being screw-fitted to the respective feed screws (12).

7. The support device for welding the box body as claimed in claim 6, wherein the support device for welding the box body further comprises a holding ring seat, the holding ring seat is provided with an inner cavity, and the nut is positioned and assembled in the inner cavity along the axial direction of the holding ring seat.

8. The supporting device for welding the box body as claimed in claim 7, wherein the holding ring seat comprises a bearing seat (13) and a plug (15) fixed in the bearing seat (13), a bearing (14) is arranged between the bearing seat (13) and the plug (15) in a pressing manner, and a nut is fixedly arranged in the bearing (14) in a penetrating manner.

9. The support device for welding the tank according to claim 8, wherein said nut is a cone nut (16).

10. The support device for welding the tank according to any one of claims 1 to 4, wherein one of the two feed screws (12) is a forward thread and the other is a reverse thread.

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