Box-type bolster detection device

Abstract

The present invention provides a box-type bolster detection device, which belongs to the field of non-destructive testing technology, and includes a support frame, a first mounting block, a connecting block and a positioning pin. The support frame is provided with a connecting transverse plate, the first mounting block is arranged on the support frame, and is used to install a first accommodating groove of a negative film hidden bag. The first mounting block is arranged on the same side of the connecting transverse plate and is located below the connecting transverse plate. The connecting block is fixed to an end of the connecting transverse plate away from the support frame. A slide groove is provided on the connecting block, and a sliding block connected by sliding is provided in the slide groove. One end of the connecting block is aligned with one end of the first mounting block. The positioning pin is fixed on the slider, and the positioning pin slides along the slide groove with the slider. The box-type bolster detection device provided by the present invention ensures that the positioning pin corresponds to the center position of the negative film hidden bag, and the operation is simple and the accuracy is high. The negative film hidden bag is fixed in the first accommodating groove, and the negative film hidden bag is limited by the first accommodating groove, so the installation is more reliable and the fixing effect of the negative film hidden bag is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of nondestructive testing, and more specifically, relates to a box-type bolster testing device. Background Art

[0002] The box-type bolster is assembled and welded by multiple profiles. The film bag cannot be placed on the back of the narrow weld in the cavity, and single-wall single-image radiography cannot be achieved. Only double-wall single-image radiography can be used to perform radiographic inspection on the box girder butt welds. It is difficult to control the fixation of the film bag and the center position of the film bag using this method. Summary of the invention

[0003] The object of the present invention is to provide a box-type bolster detection device to solve the technical problems existing in the prior art of poor fixing effect of film dark bags and complicated operation of center positioning of film dark bags.

[0004] In order to achieve the above object, the technical solution adopted by the present invention is: to provide a box-type bolster detection device, comprising:

[0005] The support frame is provided with a connecting transverse plate; the connecting transverse plate is used to overlap the beam to be tested;

[0006] A first mounting block is disposed on the support frame, and a first receiving slot for mounting a film hidden bag is disposed on a side away from the support frame; the first mounting block is disposed on the same side as the connecting horizontal plate and is located below the connecting horizontal plate;

[0007] A connecting block is fixedly mounted on one end of the connecting horizontal plate away from the supporting frame; a sliding groove is provided on the connecting block; a sliding block for sliding connection is provided in the sliding groove; one end of the connecting block is aligned with one end of the first mounting block;

[0008] The positioning pin is fixed on the sliding block; the positioning pin slides along the sliding groove along with the sliding block.

[0009] As another embodiment of the present application, the first mounting block includes:

[0010] A lower connecting plate is fixedly mounted on the supporting frame; a first receiving portion extending outward is provided at the lower end of the lower connecting plate;

[0011] An upper connecting plate is movably connected to the support frame and has the freedom to move up and down; the lower end of the upper connecting plate is connected to the upper end of the lower connecting plate; the upper end of the upper connecting plate is provided with a second receiving portion extending outward; the lower connecting plate, the first receiving portion, the upper connecting plate and the second receiving portion form the first accommodating groove.

[0012] As another embodiment of the present application, the support frame is provided with a first vertical elongated hole, and the upper connecting plate is provided with a second elongated hole corresponding to the first elongated hole; the upper connecting plate is connected by bolts passing through the first elongated hole and the second elongated hole.

[0013] As another embodiment of the present application, the box-type bolster detection device further includes:

[0014] The second mounting block is arranged on the supporting frame and is located above or below the first mounting block; the second mounting block is provided with a through hole corresponding to the first long hole, and the second mounting block is provided with a second accommodating groove for accommodating the film hidden bag.

[0015] As another embodiment of the present application, the opposite side surfaces of the first receiving portion and the second receiving portion are both concave surfaces.

[0016] As another embodiment of the present application, the support frame includes:

[0017] There are two vertical plates; the connecting horizontal plate is arranged on the vertical plates, and the two ends of the first mounting block are respectively arranged on the two vertical plates;

[0018] The two ends of the fixed plate are respectively fixedly connected to the lower ends of the two vertical plates.

[0019] As another embodiment of the present application, the fixed plate and the vertical plate are both provided with corresponding connection holes, and the fixed plate and the vertical plate are connected by positioning screws passing through the two connection holes and are locked and fixed by nuts.

[0020] As another embodiment of the present application, a third elongated hole is provided on the connecting cross plate, and the box-type bolster detection device also includes a limiting structure slidably connected to the third elongated hole.

[0021] As another embodiment of the present application, the limiting structure includes:

[0022] A limiting screw rod is inserted into the third elongated hole;

[0023] A first roller is rotatably connected to the limit screw; an installation space for installing the beam to be detected is formed between the first roller and the connecting block;

[0024] A nut is threadedly connected to the limiting screw.

[0025] As another embodiment of the present application, a second roller is provided on the slider.

[0026] The beneficial effect of the box-type bolster detection device provided by the present invention is that compared with the prior art, the box-type bolster detection device of the present invention, when in use, the film dark bag is installed in the first accommodating groove, and one end of the film dark bag is aligned with one end of the upper connecting plate, and then the supporting frame, the connecting cross plate and the connecting block are hung on the beam to be detected, and the connecting cross plate abuts against the upper end of the beam to be detected, and according to the length of the film dark bag, the slider is driven to slide in the sliding groove of the connecting block, so that the positioning pin moves from one end of the connecting block to the center position by half the length of the film dark bag, ensuring that the positioning pin corresponds to the center position of the film dark bag, and the staff can refer to the position of the positioning pin to align with the center position of the film dark bag to take pictures, which is simple to operate and has high accuracy; and the film dark bag is fixed in the first accommodating groove of the first mounting block, and the film dark bag is limited by the first accommodating groove, so that the installation is more reliable and the fixing effect of the film dark bag is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 A rear view of a box-type bolster detection device provided in an embodiment of the present invention;

[0029] Figure 2 A side view of a box-type bolster detection device provided in an embodiment of the present invention;

[0030] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0031] Figure 4 A schematic diagram of the use status of the box-type bolster detection device provided in an embodiment of the present invention.

[0032] Among them, the reference numerals in the figure are:

[0033] 1. Support frame; 11. Connecting horizontal plate; 111. Third long hole; 112. Limiting screw; 113. First roller; 12. First long hole; 13. Vertical plate; 14. Fixing plate; 15. Positioning screw; 2. Lower connecting plate; 21. First receiving part; 22. Inner concave surface; 3. Upper connecting plate; 31. Second receiving part; 32. First accommodating groove; 33. Second long hole; 4. Connecting block; 41. Slide groove; 42. Sliding block; 43. Second roller; 5. Positioning pin; 6. Second mounting block; 61. Second accommodating groove; 7. Film pocket; 8. Beam to be tested. DETAILED DESCRIPTION

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0035] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0036] It should be understood that the orientation or position relationship indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0038] See also Figures 1 to 4 , the box-type bolster detection device provided by the present invention is now described. A box-type bolster detection device includes a support frame 1, a first mounting block, a connecting block 4 and a positioning pin 5. The support frame 1 is provided with a connecting cross plate 11; the connecting cross plate 11 is used to overlap the beam 8 to be detected; the first mounting block is arranged on the support frame 1, and a first accommodating groove 32 for installing a negative film hidden bag 7 is provided on the side away from the support frame 1; the first mounting block is arranged on the same side of the connecting cross plate 11, and is located below the connecting cross plate 11; the connecting block 4 is fixed to one end of the connecting cross plate 11 away from the support frame 1; a slide groove 41 is provided on the connecting block 4; a sliding block 42 is provided in the slide groove 41; one end of the connecting block 4 is aligned with one end of the first mounting block; the positioning pin 5 is fixed on the sliding block 42; the positioning pin 5 slides along the slide groove 41 with the sliding block 42.

[0039] When the box-type bolster detection device provided by the present invention is used, compared with the prior art, the film bag 7 is installed in the first accommodating groove 32, and one end of the film bag 7 is aligned with one end of the upper connecting plate 3, and then the support frame 1, the connecting cross plate 11 and the connecting block 4 are hung on the beam 8 to be detected, and the connecting cross plate 11 abuts against the upper end of the beam 8 to be detected. According to the length of the film bag 7, the sliding block 42 is driven to slide in the sliding groove 41 of the connecting block 4, so that the positioning pin 5 moves from one end of the connecting block 4 to the center position by half the length of the film bag 7, ensuring that the positioning pin 5 corresponds to the center position of the film bag 7. The staff can refer to the position of the positioning pin 5 and align the center position of the film bag 7 to take pictures, which is simple to operate and has high accuracy; and the film bag 7 is fixed in the first accommodating groove 32 of the first mounting block, and the film bag 7 is limited by the first accommodating groove 32, so that the installation is more reliable and the fixing effect of the film bag 7 is improved.

[0040] The box-type bolster inspection device of the present application adopts a transillumination method to perform radiographic inspection on the butt welds of the box beam.

[0041] See also Figure 1 and Figure 2 As a specific embodiment of the box-type bolster detection device provided by the present invention, the first mounting block includes a lower connecting plate 2 and an upper connecting plate 3, the lower connecting plate 2 is fixedly arranged on the support frame 1; the lower end of the lower connecting plate 2 is provided with a first receiving portion 21 extending outward; the upper connecting plate 3 is movably connected to the support frame 1 and has the freedom to move up and down; the lower end of the upper connecting plate 3 is butted with the upper end of the lower connecting plate 2; the upper end of the upper connecting plate 3 is provided with a second receiving portion 31 extending outward; the lower connecting plate 2, the first receiving portion 21, the upper connecting plate 3 and the second receiving portion 31 form a first accommodating groove 32, and the lower connecting plate 2 is fixed on On the support frame 1, the upper connecting plate 3 is movably connected to the support frame 1 and can move up and down along the support frame 1 to adjust the height of the first accommodating groove 32, thereby adapting to the width of the negative film pocket 7; when the width of the negative film pocket 7 changes, the upper connecting plate 3 is controlled to move relative to the lower connecting plate 2 to change the distance between the upper connecting plate 3 and the lower connecting plate 2, and then the negative film pocket 7 is placed in the first accommodating groove 32 formed by the upper connecting plate 3 and the lower connecting plate 2, and under the action of the first receiving portion 21 and the second receiving portion 31, it can be stably installed in the first accommodating groove 32, thereby improving the fixing effect of the negative film pocket 7.

[0042] See also Figure 1 , Figure 2 and Figure 4As a specific embodiment of the box-type bolster detection device provided by the present invention, a vertical first long hole 12 is provided on the support frame 1, and a second long hole 33 corresponding to the first long hole 12 is provided on the upper connecting plate 3; the upper connecting plate 3 is connected by bolts passing through the first long hole 12 and the second long hole 33. When the width of the negative film pocket 7 changes, the upper connecting plate 3 is controlled to rise or fall to ensure that the second connecting hole on the upper connecting plate 3 is always connected to the first long hole 12 on the support frame 1; after the upper connecting plate 3 is moved to a suitable position, a bolt is passed through the first long hole 12 and the second long hole 33, and a nut is used to lock and fix it. A mounting hole is set on the lower connecting plate 2, and a screw is fixed in the mounting hole. The mounting hole corresponds to the second long hole 33 and the first long hole 12, and the screw passes through the second long hole 33 and the first long hole 12, and then is locked and fixed with a nut. When adjusting, it is only necessary to loosen the nut and control the movement of the lower connecting plate 2.

[0043] See also Figure 1 , Figure 2 and Figure 4 As a specific embodiment of the box-type bolster detection device provided by the present invention, the box-type bolster detection device also includes a second mounting block 6, which is arranged on the support frame 1 and is located above or below the first mounting block; the second mounting block 6 is provided with a through hole corresponding to the first long hole 12, and the second mounting block 6 is provided with a second receiving groove 61 for receiving the film pocket 7. The second mounting block 6 is arranged above the upper connecting plate 3 or below the lower connecting plate 2, and the second mounting block 6 is arranged on the support frame 1 on the same side as the upper connecting plate 3, and the second receiving groove 61 is provided on the second mounting block 6. Therefore, multiple welds on the beam 8 to be detected can be detected by installing multiple film pockets 7 in the first receiving groove 32 and the second receiving groove 61 respectively, and the detection efficiency is high. Multiple second mounting blocks 6 can be arranged, which are arranged in parallel and spaced on the support frame 1, so that more welds can be detected at the same time.

[0044] See also Figure 2 and Figure 4 As a specific embodiment of the box-type bolster detection device provided by the present invention, the first receiving portion 21 and the second receiving portion 31 have inner concave surfaces 22 on their opposite sides, so that the first receiving portion 21 and the second receiving portion 31 have inner concave surfaces 22, that is, the first receiving portion 21 and the second receiving portion 31 have one end away from the support frame 1 in a hook shape, and after the film bag 7 is installed in the first receiving groove 32, the upper and lower hooks play a role in limiting the film bag 7, and the film bag 7 is installed more stably. A rubber pad or a sponge pad is arranged on the inner concave surface 22.

[0045] See also Figure 1 , Figure 2 and Figure 4As a specific embodiment of the box-type bolster detection device provided by the present invention, the support frame 1 includes a vertical plate 13 and a fixed plate 14, and the number of the vertical plates 13 is two; the connecting horizontal plate 11 is arranged on the vertical plate 13, and the two ends of the first mounting block are respectively arranged on the two vertical plates 13; the two ends of the fixed plate 14 are respectively fixedly connected to the lower ends of the two vertical plates 13, and the two parallel vertical plates 13 and the fixed plate 14 that fixes the two vertical plates 13 together form the support frame 1, and the connecting horizontal plates 11 are also two, which are respectively fixed on the upper ends of the two vertical plates 13, and the structure is simple and the stability is high. The two ends of the upper connecting plate 3 and the lower connecting plate 2 are respectively arranged and fixed on the two vertical plates 13. And it is located on the side of the vertical plate 13 close to the connecting block 4, which is convenient for installing the negative film hidden bag 7. The first long strip hole 12 is arranged on the vertical plate 13 and is arranged along the length direction of the vertical plate 13, and the second long strip hole 33 on the upper connecting plate 3 is aligned with the first long strip hole 12. The connecting horizontal plate 11 and the vertical plate 13 are integrally formed, and the connection strength is high.

[0046] See also Figure 1 and Figure 2 As a specific embodiment of the box-type bolster detection device provided by the present invention, the fixing plate 14 and the vertical plate 13 are both provided with corresponding connection holes, the fixing plate 14 and the vertical plate 13 are connected by positioning screws 15 passing through the two connection holes, and the nuts are locked and fixed, and connection holes are provided on the fixing plate 14 and the vertical plate 13. When the fixing plate 14 is installed, the connection holes on the fixing plate 14 are aligned with the connection holes on the vertical plate 13, and then a plurality of positioning screws 15 are respectively passed through the corresponding plurality of connection holes, and then the positioning screws 15 and the vertical plate 13 are locked with nuts to achieve fixed connection between the two ends of the fixing plate 14 and the two vertical plates 13. The nuts are dovetail nuts.

[0047] See also Figures 1 to 3 As a specific embodiment of the box-type bolster detection device provided by the present invention, a third long hole 111 is provided on the connecting cross plate 11, and the box-type bolster detection device also includes a limiting structure slidably connected to the third long hole 111. Since the thickness of the beam 8 to be detected is different, a limiting structure is provided on the connecting cross plate 11, and the limiting structure is slidably connected to the third long hole 111, so that an installation space with adjustable width is formed between the limiting structure and the connecting block 4. When in use, the lower end of the connecting cross plate 11 is overlapped on the upper end surface of the beam 8 to be detected, and the beam 8 to be detected is located in the installation space, so that the connecting cross plate 11, the connecting block 4 and the supporting frame 1 are more stable. The limiting structure is arranged below the connecting cross plate 11.

[0048] See also Figure 3As a specific implementation of the box-type bolster detection device provided by the present invention, the limiting structure includes a limiting screw 112, a first roller 113 and a nut, the limiting screw 112 is inserted into the third elongated hole 111; the first roller 113 is rotatably connected to the limiting screw 112; an installation space for installing the beam 8 to be detected is formed between the first roller 113 and the connecting block 4; the nut is threadedly connected to the limiting screw 112, the limiting screw 112 passes through the third elongated hole 111 from bottom to top, and the diameter of the limiting screw 112 is smaller than the width of the third elongated hole 111, so the limiting screw 112 can slide in the third elongated hole 111. At the same time, the first roller 113 can be installed on the limit screw 112 through a bearing, and the beam 8 to be detected is installed between the first roller 113 and the connecting block 4. The outer cylindrical surface of the first roller 113 contacts the beam 8 to be detected. After the limit screw 112 and the first roller 113 are moved horizontally to the accurate position, the limit screw 112 is locked and fixed on the connecting cross plate 11 with a nut to achieve the effect of adjusting the width of the installation space. And when the beam 8 to be detected is long, the first roller 113 can be used to slide quickly and smoothly along the length direction of the beam 8 to be detected to change the position of the entire box-type bolster detection device, and then the longer welds of the entire beam 8 to be detected can be detected.

[0049] See also Figures 1 to 3 As a specific embodiment of the box-type bolster detection device provided by the present invention, a second roller 43 is provided on the slider 42, and the second roller 43 is installed on the slider 42. With the help of the second roller 43, the slider 42 is driven to move left and right in the slide groove 41. The movement process is smooth and accurate, so that the positioning pin 5 is aligned with the middle position of the film pocket 7 in the first receiving groove 32 and the second receiving groove 61, which is convenient for the staff to take pictures or videos based on the positioning pin 5. A scale line can be set on the connecting block 4 to facilitate the accurate movement of the positioning pin 5.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A box-type bolster detection device, characterized in that: include: The support frame is provided with a connecting transverse plate; the connecting transverse plate is used to overlap the beam to be detected; A first mounting block is disposed on the support frame, and a first receiving slot for mounting a film hidden bag is disposed on a side away from the support frame; the first mounting block is disposed on the same side as the connecting horizontal plate and is located below the connecting horizontal plate; A connecting block is fixedly mounted on one end of the connecting horizontal plate away from the supporting frame; a sliding groove is provided on the connecting block; a sliding block for sliding connection is provided in the sliding groove; one end of the connecting block is aligned with one end of the first mounting block; A positioning pin is fixed on the slider; the positioning pin slides along the slide groove along with the slider; The first mounting block comprises: A lower connecting plate is fixedly mounted on the supporting frame; a first receiving portion extending outward is provided at the lower end of the lower connecting plate; An upper connecting plate is movably connected to the supporting frame and has the freedom to move up and down; the lower end of the upper connecting plate is butted against the upper end of the lower connecting plate; the upper end of the upper connecting plate is provided with a second receiving portion extending outward; the lower connecting plate, the first receiving portion, the upper connecting plate and the second receiving portion form the first receiving groove; The support frame is provided with a first vertical long hole, and the upper connecting plate is provided with a second long hole corresponding to the first long hole; the upper connecting plate is connected by bolts passing through the first long hole and the second long hole; The box-type bolster detection device also includes: The second mounting block is arranged on the supporting frame and is located above or below the first mounting block; the second mounting block is provided with a through hole corresponding to the first long hole, and the second mounting block is provided with a second accommodating groove for accommodating the film hidden bag.

2. The box-type bolster detection device according to claim 1, characterized in that: The opposite sides of the first receiving portion and the second receiving portion are both concave surfaces.

3. The box-type bolster detection device according to claim 1, characterized in that: The support frame comprises: There are two vertical plates; the connecting horizontal plate is arranged on the vertical plates, and the two ends of the first mounting block are respectively arranged on the two vertical plates; The two ends of the fixed plate are respectively fixedly connected to the lower ends of the two vertical plates.

4. The box-type bolster detection device according to claim 3, characterized in that: The fixing plate and the vertical plate are both provided with corresponding connection holes, and the fixing plate and the vertical plate are connected by positioning screws passing through the two connection holes and are locked and fixed by nuts.

5. The box-type bolster detection device according to claim 1, characterized in that: The connecting transverse plate is provided with a third elongated hole, and the box-type bolster detection device further comprises a limiting structure slidably connected to the third elongated hole.

6. The box-type bolster detection device according to claim 5, characterized in that: The limiting structure comprises: A limiting screw rod is inserted into the third elongated hole; A first roller is rotatably connected to the limit screw; an installation space for installing the beam to be detected is formed between the first roller and the connecting block; A nut is threadedly connected to the limiting screw.

7. The box-type bolster detection device according to claim 1, characterized in that: The sliding block is provided with a second roller.

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