CN115406745A

CN115406745A - Pressed pipe fitting fixing device and detection device

Info

Publication number: CN115406745A
Application number: CN202211022985.9A
Authority: CN
Inventors: 班慧勇; 黄晨阳; 梅镱潇; 石永久; 王元清
Original assignee: Tsinghua University
Current assignee: Tsinghua University
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2022-11-29

Abstract

The invention relates to a pressed pipe fixing device and a detection device, wherein the pressed pipe fixing device comprises a mounting plate and a clamping assembly, the clamping assembly comprises a chuck and a propping block which are connected with the mounting plate, the chuck is provided with an accommodating groove for accommodating partial pipe wall of the pressed pipe, the propping block is positioned in the accommodating groove, the propping block is configured to move towards the direction close to the pressed pipe, so that the propping block props against the outer pipe wall of the pressed pipe, and the groove wall of the accommodating groove props against the inner pipe wall of the pressed pipe to clamp the pressed pipe. According to the fixing device for the pressed pipe fitting, the abutting block is configured to move towards the direction close to the pressed pipe fitting so as to abut against the outer pipe wall of the pressed pipe fitting, the abutting block continues to move to push the pressed pipe fitting to move, so that the groove wall of the accommodating groove abuts against the inner pipe wall of the pressed pipe fitting, the abutting block and the groove wall of the accommodating groove are matched with each other so as to clamp the pressed pipe fitting, and subsequent tests are facilitated.

Description

Fixing device and detection device for pressed pipe fittings

Technical Field

The invention relates to the technical field of installation of a pressed pipe fitting, in particular to a pressed pipe fitting fixing device and a detection device.

Background

The pressure-bearing pipe plays a role in supporting and reinforcing in building construction. The pressure pipe member includes a metal pipe member having a square or circular shape. In order to understand the performance of the pressed pipe, the pressed pipe needs to be subjected to a compression test, the pressed pipe is installed on a detection device, the compression condition of the pressed pipe is detected, and the position and the deformation degree of the pressed pipe are damaged during compression. The existing compressed pipe fittings are usually installed on a detection platform of a detection device through welding or gluing, but the compressed pipe fittings are not convenient to detach in a welding or gluing connection mode, and the compressed pipe fittings with different sizes cannot be repeatedly connected and used.

Disclosure of Invention

Based on this, it is necessary to provide a fixing device for a pressure pipe, which aims at the problem that the pressure pipe and the detection device are difficult to disassemble.

A forced tubing fixture, comprising:

mounting a plate;

the clamping assembly comprises a clamping head and a supporting block, the clamping head is connected to the mounting plate, the clamping head is provided with an accommodating groove used for accommodating a partial pipe wall of a pressed pipe, the supporting block is located in the accommodating groove, the supporting block can move towards the direction close to the pressed pipe, the supporting block is enabled to be abutted against the outer pipe wall of the pressed pipe, and the groove wall of the accommodating groove is abutted against the inner pipe wall of the pressed pipe so as to clamp the pressed pipe.

In one embodiment, the accommodating groove is provided with a first groove wall and a second groove wall, the first groove wall is used for abutting against the inner pipe wall, and the second groove wall is a first inclined surface forming an included angle with the first groove wall;

the abutting block is provided with a second inclined surface matched with the first inclined surface and a first abutting surface for abutting against the outer tube wall, and the abutting block is configured to slide along the first inclined surface so that the first abutting surface abuts against the outer tube wall.

In one embodiment, the clamping assembly includes a supporting plate slidably engaged with the first groove wall, the supporting plate is provided with a second supporting surface for supporting against the inner pipe wall, and a plurality of protrusions are convexly provided on the first supporting surface and/or the second supporting surface.

In one embodiment, the first abutment surface and the second abutment surface are both planar; or, the first abutting surface and the second abutting surface are both arc-shaped surfaces.

In one embodiment, the clamping assembly further comprises an adjusting piece, the adjusting piece penetrates through the chuck to be connected to the abutting block, and the adjusting piece can drive the abutting block to move.

In one embodiment, the adjustment member is threadably connected to the collet.

In one embodiment, the clamping assemblies are provided in a plurality of groups, and the groups of clamping assemblies are distributed along the circumferential direction of the mounting plate.

In one embodiment, the chuck is slidably connected to the mounting plate, one of the chuck and the mounting plate is provided with a sliding groove, the other one of the chuck and the mounting plate is provided with a sliding table, and the sliding table is in sliding fit with the sliding groove.

In one embodiment, the mounting plate is provided with a plurality of scale marks which are arranged at intervals along the moving direction of the sliding table.

The invention also provides a detection device which comprises a detection platform and the compressed pipe fitting fixing device, wherein the mounting plate is mounted on the detection platform.

The invention has the beneficial effects that:

above-mentioned pressurized pipe fitting fixing device, the mounting panel is installed on detection device, the chuck is installed on the mounting panel, be provided with the holding tank that is used for holding pressurized pipe fitting part pipe wall at the chuck, support and hold the piece and be located the holding tank, support and hold the piece and be configured to the direction removal to being close to pressurized pipe fitting, thereby the butt is in pressurized pipe fitting's outer pipe wall, support and hold the piece and continue to move and promote the extrusion pressurized pipe fitting, thereby give the cell wall that makes the holding tank and pressurized pipe fitting's interior pipe wall extrusion top tightly each other, thereby support and hold the cell wall of piece and holding tank and mutually support and held pressurized pipe fitting, be convenient for carry out subsequent experiment. When the pressed pipe fitting needs to be tested, the mounting plate is mounted on the detection device, then the clamping assembly is assembled, the abutting block is located in the accommodating groove, the chuck is mounted on the mounting plate, the abutting block moves towards the direction close to the pressed pipe fitting, and the groove walls of the abutting block and the accommodating groove are matched with each other to clamp the pressed pipe fitting, so that the connection of the pressed pipe fitting is completed. When the pressed pipe fitting needs to be detached, the abutting block moves towards the direction far away from the pressed pipe fitting, no clamping force exists between the abutting block and the groove wall of the accommodating groove, part of the pipe wall of the pressed pipe fitting can be drawn out, and the pressed pipe fitting and the clamping assembly can be detached. The fixing device for the pressed pipe fitting is convenient to disassemble the pressed pipe fitting and the clamping assembly after detection is finished, is suitable for the pressed pipe fittings with different sizes and different wall thicknesses, and is wide in application range.

Drawings

Fig. 1 is a schematic structural diagram of a first view angle of a fixing device for a pressed pipe according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second view angle of a fixing device for a pressed pipe according to an embodiment of the present invention;

FIG. 3 is a schematic diagram illustrating a first view of a clamping assembly according to an embodiment of the present invention;

FIG. 4 is a schematic structural diagram illustrating a second perspective view of a clamping assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a holding block according to a second embodiment of the present invention;

fig. 6 is a schematic structural view of a supporting plate according to a second embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a mounting plate according to an embodiment of the present invention;

fig. 8 is a schematic view of the structure of the pressed pipe fitting mounted on the inspection apparatus.

In the figure:

100. mounting a plate; 110. a chute; 120. scale marks; 130. a first mounting hole; 140. a third mounting hole;

200. a clamping assembly; 210. a chuck; 211. a connecting portion; 212. a main body part; 2121. accommodating grooves; 2122. a first slot wall; 2123. a second slot wall; 220. a holding block; 221. a first abutting surface; 230. a holding plate; 231. a second abutting surface; 240. an adjustment member;

300. a pressurized pipe fitting;

400. and (4) detecting a platform.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

At present, a pressure pipe fitting is often installed on a detection device through three installation modes, wherein the first mode is to directly weld the pressure pipe fitting on a detection table of the detection device; secondly, pouring a bonding agent to connect the pressed pipe fitting and the detection platform; and thirdly, welding lug plates on the pressed pipe fitting and the detection platform, and connecting the two lug plates through screws to connect the pressed pipe fitting and the detection platform. Above-mentioned first kind and second kind mounting means are not convenient for dismantle the pressurized pipe fitting and examine test table after accomplishing the detection, and the otic placode is welded on the third kind mounting means pressurized pipe fitting, need repeated welding otic placode to the pressurized pipe fitting of equidimension not, and the operation is complicated.

In order to solve the problem of difficulty in detaching the pressed tube 300 and the detecting device, an embodiment of the invention provides a pressed tube fixing device, as shown in fig. 1 and fig. 2, the pressed tube fixing device includes a mounting plate 100 and a clamping assembly 200, the clamping assembly 200 includes a clamping head 210 and a holding block 220 connected to the mounting plate 100, the clamping head 210 is provided with a receiving groove 2121 for receiving a portion of a tube wall of the pressed tube 300, the holding block 220 is located in the receiving groove 2121, the holding block 220 is configured to be capable of moving toward a direction close to the pressed tube 300, so that the holding block 220 abuts against an outer tube wall of the pressed tube 300, and a wall of the receiving groove 2121 abuts against an inner tube wall of the pressed tube 300 to clamp the pressed tube 300.

In the above-mentioned pressed pipe fixing device, the chuck 210 is installed on the mounting plate 100, the accommodating groove 2121 for accommodating a part of the pipe wall of the pressed pipe 300 is provided on the chuck 210, the abutting block 220 is located in the accommodating groove 2121, the abutting block 220 is configured to be able to move towards the direction close to the pressed pipe 300 so as to abut against the outer pipe wall of the pressed pipe 300, the abutting block 220 continues to move to press the pressed pipe 300, so as to press and press the groove wall of the accommodating groove 2121 and the inner pipe wall of the pressed pipe 300, and the groove walls of the abutting block 220 and the accommodating groove 2121 cooperate with each other so as to clamp the pressed pipe 300, thereby facilitating the subsequent test. When the pressed pipe 300 needs to be tested, the mounting plate 100 is mounted on the testing apparatus, then the clamping assembly 200 is assembled, the abutting block 220 is located in the accommodating groove 2121, the collet 210 is mounted on the mounting plate 100, the abutting block 220 moves towards the direction close to the pressed pipe 300, the abutting block 220 and the groove wall of the accommodating groove 2121 are matched with each other to clamp the pressed pipe 300, and the connection of the pressed pipe 300 is completed. When the pressed pipe 300 needs to be removed, the abutting block 220 moves away from the pressed pipe 300, there is no clamping force between the abutting block 220 and the groove wall of the receiving groove 2121, and a part of the wall of the pressed pipe 300 can be pulled out, so that the pressed pipe 300 and the clamping assembly 200 can be removed. After the detection is completed, the fixing device for the pressed pipe fitting, provided by the embodiment of the invention, is convenient for disassembling the pressed pipe fitting 300 and the clamping assembly 200, is suitable for the pressed pipe fittings 300 with different sizes and different wall thicknesses, and has a wide application range.

In some embodiments, as shown in fig. 2 and 3, the receiving groove 2121 is provided with a first groove wall 2122 and a second groove wall 2123, the first groove wall 2122 is configured to abut against the inner pipe wall, and the second groove wall 2123 is a first inclined surface that forms an angle with the first groove wall 2122; the abutting block 220 is provided with a second inclined surface adapted to the first inclined surface, and a first abutting surface 221 for abutting against the outer tube wall, and the abutting block 220 is configured to slide along the first inclined surface so that the first abutting surface 221 abuts against the outer tube wall. The first slot wall 2122 and the second slot wall 2123 of the accommodating slot 2121 form an included angle, the first slot wall 2122 is used for abutting against the inner pipe wall of the pressed pipe 300, the second slot wall 2123 is a first inclined surface, the second inclined surface of the abutting block 220 is in sliding fit with the first inclined surface, the abutting block 220 can slide along the first inclined surface, so that the abutting block 220 slides along the first inclined surface and moves towards the direction close to the pressed pipe 300, the first abutting surface 221 of the abutting block 220 abuts against the outer pipe wall of the pressed pipe 300, and the first abutting surface 221 and the first slot wall 2122 are matched with each other to clamp a part of the pipe wall of the pressed pipe 300, thereby clamping the pressed pipe 300.

In some embodiments, as shown in fig. 2 to 4, the clamping assembly 200 includes a holding plate 230 slidably engaged with the first slot wall 2122, the holding plate 230 is provided with a second abutting surface 231 for abutting against the inner tube wall, and a plurality of protrusions are protruded from the first abutting surface 221 and/or the second abutting surface 231. The abutting plate 230 is slidably fitted with the first groove wall 2122, the upper portion of the abutting plate 230 can be slidably inserted into the accommodating groove 2121, the abutting plate 230 is provided with a second abutting surface 231 for abutting against the inner pipe wall, the second groove wall 2123 abuts against the inner pipe wall of the pressed pipe 300 through the second abutting surface 231, and the abutting plate 230 is provided to increase the abutting area between the abutting plate and the inner pipe wall of the pressed pipe 300 and increase the abutting force. And a plurality of protrusions are convexly arranged on the first abutting surface 221 and/or the second abutting surface 231, so that the friction force between the first abutting surface 221 and the outer pipe wall and/or between the second abutting surface 231 and the inner pipe wall is increased, the clamping force is increased, and the fixing stability of the pressed pipe 300 is improved.

Specifically, the plurality of protrusions are distributed along a first direction, which is an axial direction of the pressure pipe 300, and the plurality of protrusions are distributed along a second direction, which is a radial direction of the pressure pipe 300.

It can be understood that, in some embodiments, when the thickness of the pipe wall of the pressed pipe 300 is larger, the retaining plate 230 can be slidingly drawn out from the accommodating groove 2121, so as to increase the space of the accommodating groove 2121 along the radial direction of the pressed pipe 300, so as to facilitate the insertion of the pipe wall of the pressed pipe 300 into the accommodating groove 2121, and the first groove wall 2122 directly abuts against the inner pipe wall of the pressed pipe 300, which can also have the effect of clamping the pipe wall of the pressed pipe 300.

Specifically, as shown in fig. 3 and 4, one of the abutting plate 230 and the first groove wall 2122 is provided with an abutting sliding table, and the other is provided with an abutting sliding groove, and the abutting sliding groove extends along the axial direction of the pressed pipe 300, so that the abutting plate 230 and the first groove wall 2122 are slidably connected, and the abutting plate 230 is easily slidably inserted into or withdrawn from the accommodating groove 2121.

In some embodiments, as shown in fig. 2 and 3, both the first and second abutment surfaces 221, 231 are planar. When the outer wall of the pressed tube 300 is a plane, for example, when the pressed tube 300 is a square tube, the first abutting surface 221 and the second abutting surface 231 are both set to be planes, so that the first abutting surface 221 and the second abutting surface 231 are more attached to the outer wall of the pressed tube 300, the abutting area is increased, the clamping force is increased, and the fixing stability of the pressed tube 300 is improved.

In some embodiments, as shown in fig. 5 and 6, the first and second abutment surfaces 221, 231 are both arcuate surfaces. When the outer wall of the pressed pipe 300 is an arc surface, for example, when the pressed pipe 300 is a circular pipe, the first abutting surface 221 and the second abutting surface 231 are both set to be arc surfaces, so that the first abutting surface 221 and the second abutting surface 231 are more attached to the outer wall of the pressed pipe 300, the abutting area is increased, the clamping force is increased, and the fixing stability of the pressed pipe 300 is improved. More specifically, when the pressure-receiving pipe 300 is a circular pipe, the first abutting surface 221 is an inwardly concave arc-shaped surface, and the second abutting surface 231 is an outwardly convex abutting surface.

Further, referring back to fig. 2 and 3, the collet 210 includes a connecting portion 211 and a main body portion 212, the connecting portion 211 is connected to the mounting plate 100, the main body portion 212 is disposed on a side of the connecting portion 211 away from the mounting plate 100, and the receiving groove 2121 is disposed on the main body portion 212.

Specifically, as shown in fig. 1 and 2, the connection portion 211 is detachably connected to the mounting plate 100 by a locking member, a first mounting hole 130 is provided on the mounting plate 100, a second mounting hole matched with the first mounting hole 130 is provided on the connection portion 211, and the locking member passes through the second mounting hole and the first mounting hole 130 in sequence and is screw-coupled to the first mounting hole 130, thereby connecting the connection portion 211 and the mounting plate 100. Specifically, the locking member is a screw or a bolt and a nut.

In some embodiments, as shown in fig. 2 and 3, the clamping assembly 200 further includes an adjusting member 240, the adjusting member 240 passes through the clamping head 210 and is connected to the holding block 220, and the adjusting member 240 can drive the holding block 220 to move. By arranging the adjusting element 240, the adjusting element 240 passes through the main body 212 of the collet 210 and is connected to the abutting block 220, and the adjusting element 240 moves to drive the abutting block 220 to slide along the second groove wall 2123, so that the first abutting surface 221 of the abutting block 220 is close to and presses against or away from the outer pipe wall of the pressed pipe 300. The adjustment element 240 facilitates the sliding of the abutting block 220 in the receiving groove 2121, and the operation is simple.

In some embodiments, the adjusting element 240 passes through the main body 212 of the collet 210 and is connected to the holding block 220, a gap is formed between the adjusting element 240 and the main body 212, and the adjusting element 240 is held by a human hand, so that the holding block 220 is driven to slide by pushing and pulling the adjusting element 240 back and forth.

In some embodiments, as shown in fig. 2 and 3, the adjustment member 240 is threadably coupled to the collet 210. The adjusting member 240 is screwed to the main body 212 of the chuck 210, and the rotation is converted into movement similar to a screw-and-nut structure, and the abutting block 220 slides along the second slot wall 2123 by rotating the adjusting member 240. Moreover, the adjusting member 240 is screwed with the main body 212, and the screw thread has a self-locking function, so as to precisely control the sliding distance of the abutting block 220.

In some embodiments, as shown in fig. 1 and 2, the clamping assemblies 200 are provided in a plurality of sets, the plurality of sets of clamping assemblies 200 being distributed along the circumference of the mounting plate 100. Set up multiunit centre gripping subassembly 200, multiunit centre gripping subassembly 200 homoenergetic centre gripping pressurized pipe fitting 300's partial pipe wall has increased the centre gripping dynamics, and multiunit centre gripping subassembly 200 distributes along the circumference of mounting panel 100 moreover, makes centre gripping subassembly 200's clamping-force distribute more evenly, has improved centre gripping stability. Specifically, the plurality of groups of clamping assemblies 200 are distributed along the circumferential direction of the pressed pipe fitting 300, so that the clamping force of the clamping assemblies 200 is distributed more uniformly, and the clamping stability is improved.

In some embodiments, as shown in fig. 1 and 7, the clamping head 210 is slidably connected to the mounting plate 100, and one of the clamping head 210 and the mounting plate 100 is provided with the sliding slot 110, and the other is provided with a sliding platform, which is slidably engaged with the sliding slot 110. The connecting part 211 of the clamping head 210 is slidably connected to the mounting plate 100, one of the clamping head 210 and the mounting plate 100 is provided with the sliding groove 110, the other one of the clamping head 210 and the mounting plate 100 is provided with a sliding table, the sliding table is in sliding fit with the sliding groove 110, the connecting part 211 of the clamping head 210 is adjusted to slide, and the clamping position is adjusted, so that the clamping heads 210 of the plurality of groups of clamping assemblies 200 are mutually matched, and the clamping of the pressed pipe fittings 300 with different pipe diameters and different sizes is facilitated.

Specifically, in some embodiments, as shown in fig. 1 and 7, a sliding table is provided on the connection portion 211 of the collet 210, and the sliding groove 110 is provided on the mounting plate 100. A plurality of first mounting holes 130 are formed in the moving direction of the sliding table, and when the connecting portion 211 slides to a proper position, the connecting portion 211 and the mounting plate 100 are connected by a locking member passing through the second mounting hole and the first mounting hole 130, and the clamp 210 is fixed. It will be appreciated that the plurality of collets 210 of the plurality of sets of gripping assemblies 200 are each capable of gripping a plurality of tubular walls of a pressurized tubular 300 in a position.

Specifically, when the pressed pipe 300 is a square pipe, four sets of clamping assemblies 200 are provided, four sets of sliding grooves 110 are provided, the four sets of clamping assemblies 200 correspond to four outer walls of the pressed pipe 300 one by one, and the four sliding grooves 110 correspond to the four sets of clamping assemblies 200 one by one.

In some embodiments, the mounting plate 100 is provided with a plurality of graduation lines 120, and the plurality of graduation lines 120 are arranged at intervals along the moving direction of the sliding table. The scale marks 120 are arranged, so that the tester can conveniently slide the collet 210 to a proper position according to the pressed pipe fittings 300 with different pipe diameters and different wall thicknesses, and then clamp the pressed pipe fittings 300.

The embodiment of the present invention further provides a detection apparatus, as shown in fig. 1 and fig. 8, including a detection platform 400 and the above-mentioned pressed pipe fixing apparatus, wherein the mounting plate 100 is installed on the detection platform 400. The mounting plate 100 is mounted on the detection platform 400, and the pressed pipe 300 is clamped and fixed on the mounting plate 100 through the clamping head 210, so that the pressed pipe 300 is mounted on the detection device, and subsequent detection tests are facilitated.

Specifically, as shown in fig. 1 and 8, a third mounting hole 140 is formed on the mounting plate 100, a fourth mounting hole is formed on the testing platform 400, and a connecting member sequentially passes through the third mounting hole 140 and the fourth mounting hole and is screwed to the fourth mounting hole, thereby connecting the mounting plate 100 and the testing platform 400. In particular, the connecting member is a screw or a bolt and nut.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is specific and detailed, but not to be understood as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A forced tubing fixture, comprising:

a mounting plate (100);

the clamping assembly (200) comprises a clamping head (210) and a butting block (220) which are connected to the mounting plate (100), the clamping head (210) is provided with a containing groove (2121) used for containing partial pipe wall of a pressed pipe (300), the butting block (220) is located in the containing groove (2121), the butting block (220) is configured to be capable of moving towards the direction close to the pressed pipe (300) so that the butting block (220) butts against the outer pipe wall of the pressed pipe (300), and the groove wall of the containing groove (2121) butts against the inner pipe wall of the pressed pipe (300) to clamp the pressed pipe (300).

2. A forced pipe fitting fixture according to claim 1, c h a r a c t e r i z e d in that the receiving groove (2121) is provided with a first groove wall (2122) and a second groove wall (2123), the first groove wall (2122) being adapted to abut against the inner pipe wall, the second groove wall (2123) being a first inclined surface angled with respect to the first groove wall;

the abutting block (220) is provided with a second inclined surface matched with the first inclined surface and a first abutting surface (221) for abutting against the outer tube wall, and the abutting block (220) is configured to slide along the first inclined surface so that the first abutting surface (221) abuts against the outer tube wall.

3. A device for securing pressed tubulars according to claim 2, characterised in that the clamping assembly (200) comprises a retainer plate (230) slidably engaged with the first slot wall (2122), that the retainer plate (230) is provided with a second abutment surface (231) for abutment against the inner tube wall, and that the first abutment surface (221) and/or the second abutment surface (231) is/are convexly provided with a plurality of protrusions.

4. A forced pipe fixing apparatus according to claim 3,

the first abutting surface (221) and the second abutting surface (231) are both flat surfaces;

alternatively, the first abutting surface (221) and the second abutting surface (231) are both arc-shaped surfaces.

5. A pressed pipe fixing device according to claim 1, wherein the clamping assembly (200) further comprises an adjusting member (240), the adjusting member (240) passes through the clamping head (210) and is connected to the abutting block (220), and the adjusting member (240) can drive the abutting block (220) to move.

6. A forced tubing fixture as claimed in claim 5, wherein the adjustment member (240) is threadedly connected to the collet (210).

7. A forced tubing fixture as claimed in claim 1, wherein the clamp assemblies (200) are provided in a plurality of sets, the sets of clamp assemblies (200) being distributed along the circumference of the mounting plate (100).

8. The pressed pipe fixing device according to claim 7, wherein the clamping head (210) is slidably connected to the mounting plate (100), one of the clamping head (210) and the mounting plate (100) is provided with a sliding groove (110), and the other is provided with a sliding table, and the sliding table is slidably matched with the sliding groove (110).

9. A forced pipe fixing device according to claim 8, wherein the mounting plate (100) is provided with a plurality of scale marks (120), and the plurality of scale marks (120) are provided at intervals along the moving direction of the sliding table.

10. An inspection apparatus comprising an inspection platform and a forced pipe fixing apparatus as claimed in any of claims 1 to 9, the mounting plate being mounted on the inspection platform.