Screw locking device of flange plate

Abstract

The utility model discloses a screw locking device of a flange plate, and belongs to the field of flange plate fastening. Comprising a first mounting plate and a second mounting plate which can slide in parallel, a first flange plate and a second flange plate are mounted on the first mounting plate and the second mounting plate respectively, a plurality of threaded holes are formed in the first flange plate, and via holes are correspondingly formed in the second flange plate; a locking mechanism is arranged on the side, back to the first mounting plate, of the second mounting plate and comprises a mounting frame capable of sliding, a plurality of motors are fixedly arranged on the mounting frame, a fixing rod is coaxially fixed to a driving shaft of each motor, a regular hexagonal prism is in sliding fit with the fixing rod, and the regular hexagonal prism and the fixing rod are elastically connected through a spring; the end of the regular hexagonal prism is provided with inner hexagonal bolts corresponding to the via holes in a matched mode, and the second mounting plate is provided with a plurality of receding holes corresponding to the via holes. The bolt can be locked by controlling the mounting frame to move and the motor to rotate, and compared with manual bolt locking, the bolt locking device is more efficient and saves more labor.

Description

Technical Field

[0001] The utility model belongs to the field of flange fastening, and in particular relates to a screw locking device for a flange. Background Art

[0002] Pipe connections typically utilize flanges to achieve sealed connections. Bolts are placed between the flanges at the ends of the two pipes for fastening, facilitating both secure connection and subsequent disassembly and maintenance. However, since there are many bolts on the flange that need to be tightened, it would be time-consuming and laborious for workers to tighten the bolts with a handheld wrench. Therefore, a flange screw locking device has been proposed. Utility Model Content

[0003] In view of the deficiencies in the prior art, the present invention aims to provide a screw locking device for a flange, thereby solving the problems in the prior art.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] The screw locking device for the flange includes a workbench, wherein a first mounting plate and a second mounting plate capable of sliding parallel to each other are provided at the upper end of the workbench, and the first flange and the second flange are respectively mounted thereon, the first flange being provided with a plurality of threaded holes, and the second flange being provided with through holes corresponding to the threaded holes;

[0006] A locking mechanism is provided on the side of the second mounting plate facing away from the first mounting plate, and the locking mechanism includes a slidable mounting frame, on which a plurality of motors are fixed, and a fixing rod is coaxially fixed to the driving shaft of the motor, and a regular hexagonal prism is slidably fitted on the fixing rod, and an elastic connection is achieved between the regular hexagonal prism and the fixing rod through a spring; the ends of the regular hexagonal prism are fitted with hexagon socket bolts corresponding one-to-one to the through holes, and a plurality of clearance holes corresponding one-to-one to the through holes are opened on the second mounting plate, and the diameter of the clearance holes is larger than the head diameter of the hexagon socket bolts.

[0007] Furthermore, the end of the regular hexagonal prism can cooperate with the hexagonal groove of the head of the hexagon socket bolt, and the end of the regular hexagonal prism is made of magnet material.

[0008] Furthermore, the mounting frame is slidably connected to the workbench, and the sliding direction is parallel to the sliding direction of the second mounting plate. Two fixed plates are fixed on the upper end of the workbench, and a rotatable screw rod is provided between the two fixed plates. The screw rod passes through the mounting frame and is threadedly connected to the mounting frame.

[0009] Furthermore, the thread lead angle of the screw rod is smaller than the equivalent friction angle.

[0010] Furthermore, a positioning hole is provided on the fixing rod, the cross section of the positioning hole is a regular hexagon, and the regular hexagonal prism slides in cooperation with the positioning hole; a spring is provided in the positioning hole, and the two ends of the spring are respectively fixedly connected to the regular hexagonal prism and the inner end face of the positioning hole.

[0011] Furthermore, the plurality of threaded holes are evenly distributed circumferentially.

[0012] Furthermore, a first circular groove is provided on the first mounting plate to cooperate with the outer circle of the first flange, and a first cut surface is provided on the first flange, and a first cut edge is provided in the first circular groove to fit with the first cut surface.

[0013] Furthermore, a second circular groove is provided on the second mounting plate to cooperate with the outer circle of the second flange, and a second cross-section is provided on the second flange, and a second cut edge is provided in the second circular groove to fit the second cross-section; and when the first flange and the second flange are both installed and positioned, the through holes can correspond one-to-one with the threaded holes.

[0014] Furthermore, the upper ends of the first mounting plate and the second mounting plate are respectively provided with a first through slot and a second through slot, and a pressing block assembly is installed at the first through slot and the second through slot, and the pressing block assembly includes a pressing block that can be lifted and lowered, and the pressing blocks in the two pressing block assemblies can respectively enter the first through slot and the second through slot, and respectively press the first flange and the second flange;

[0015] Furthermore, the lower end of the pressing block is provided with an arc surface, and the arc surfaces on the two pressing blocks can respectively cooperate with the outer circumferential surfaces of the first flange and the second flange.

[0016] Beneficial effects of the utility model:

[0017] 1. A first mounting plate and a second mounting plate that can slide in parallel are arranged on the workbench to respectively position and fix the first flange and the second flange, and a locking mechanism is arranged, a slidable mounting frame and a locking assembly corresponding to the through holes are arranged in the locking mechanism, a rotatable fixing rod is arranged in the locking assembly, a spring is arranged between the fixing rod and the regular hexagonal prism to achieve elastic connection, a hexagon socket bolt is installed on the upper part of the regular hexagonal prism, the movement of the mounting frame is controlled to make the hexagon socket bolt pass through the clearance hole and the through hole and reach the threaded hole, and then the motor is controlled to rotate, so that the hexagon socket bolt can be locked between the first flange and the second flange. Compared with manually locking the bolts, it is more efficient and labor-saving.

[0018] 2. By setting the end of the regular hexagonal prism to be a magnetic material, it is easy to adsorb and fix the hexagon socket bolt, thereby facilitating the installation and locking of the bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0021] Figure 2 This is a schematic structural diagram of the first mounting plate of the utility model;

[0022] Figure 3 This is a schematic structural diagram of the second mounting plate of the present utility model;

[0023] Figure 4 This is a schematic diagram of the first flange structure of the present utility model;

[0024] Figure 5 This is a schematic diagram of the overall structure of the second flange of the utility model;

[0025] Figure 6 This is a schematic structural diagram of the briquetting assembly of the utility model;

[0026] Figure 7 This is a schematic structural diagram of the locking mechanism of the utility model;

[0027] Figure 8 It is a structural schematic diagram of the locking assembly of the utility model. DETAILED DESCRIPTION

[0028] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] like Figure 1 As shown, the flange screw locking device includes a workbench 1, and a first mounting plate 2 and a second mounting plate 3 that can slide are provided on the upper end of the workbench 1, and the sliding directions are parallel to each other; a first flange 4 and a second flange 5 are positioned and mounted on the first mounting plate 2 and the second mounting plate 3 respectively. By controlling the first mounting plate 2 and the second mounting plate 3 to approach each other, the first flange 4 and the second flange 5 can be fitted together to facilitate the bolt locking between the two.

[0030] like Figure 4 and Figure 5As shown, the first flange 4 is provided with a plurality of threaded holes 41 evenly distributed circumferentially, and the second flange 5 is provided with a plurality of through holes 51 evenly distributed circumferentially, and the through holes 51 can correspond one-to-one with the threaded holes 41. By passing the bolts through the through holes 51 and screwing them into the threaded holes 41, the connection and fixation between the first flange 4 and the second flange 5 can be achieved.

[0031] In this embodiment, two hydraulic cylinders are provided at the upper end of the workbench 1 to respectively drive the first mounting plate 2 and the second mounting plate 3 to slide, thereby achieving the first mounting plate 2 and the second mounting plate 3 approaching or moving away from each other; of course, in some embodiments, linear driving components such as cylinders and telescopic rods can be provided to replace the hydraulic cylinders, so as to achieve the driving of the first mounting plate 2 and the second mounting plate 3 to slide.

[0032] like Figure 2 and Figure 4 As shown, the first mounting plate 2 is provided with a first circular groove 21 to cooperate with the outer circle of the first flange 4, and the first flange 4 is provided with a first cut surface 42. The first circular groove 21 is provided with a first cut edge 22 that fits the first cut surface 42, thereby achieving the positioning of the first flange 4. Figure 3 and Figure 5 As shown, a second circular groove 31 is provided on the second mounting plate 3 to cooperate with the outer circle of the second flange 5, and a second cut surface 52 is provided on the second flange 5, and a second cut edge 32 is provided in the second circular groove 31 to fit the second cut surface 52, thereby realizing the positioning of the second flange 5; and when the first flange 4 and the second flange 5 are both positioned, the through hole 51 can correspond one-to-one with the threaded hole 41 to facilitate tightening the bolts.

[0033] The first mounting plate 2 and the second mounting plate 3 have a first through groove 23 and a second through groove 33 at their upper ends, respectively. The first through groove 23 and the second through groove 33 are connected to the first circular groove 21 and the second circular groove 31, respectively. A pressing block assembly 6 is installed at each of the first through groove 23 and the second through groove 33. The pressing block assembly 6 can press the positioned first flange 4 and the second flange 5 against the first mounting plate 2 and the second mounting plate 3, respectively.

[0034] like Figure 6 As shown, the pressing block assembly 6 includes a fixing frame 61. The fixing frames 61 on the two pressing block assemblies 6 are respectively fixed to the upper ends of the first mounting plate 2 and the second mounting plate 3. A cylinder 62 is provided on the fixing frame 61. A pressing block 63 is fixed to the end of the driving shaft of the cylinder 62, and controls the lifting and lowering of the pressing block 63. The pressing blocks 63 in the two pressing block assemblies 6 can respectively enter the first through groove 23 and the second through groove 33, and respectively press the first flange 4 and the second flange 5.

[0035] In this embodiment, the lower end of the pressing block 63 is provided with an arc surface 631 . The arc surfaces 631 on the two pressing blocks 63 can respectively cooperate with the outer circumferential surfaces of the first flange 4 and the second flange 5 to increase the contact area.

[0036] A locking mechanism 7 is provided on the side of the second mounting plate 3 facing away from the first mounting plate 2, and the locking mechanism 7 can lock the bolts between the first flange 4 and the second flange 5;

[0037] like Figure 7 and 8 As shown, the locking mechanism 7 includes a mounting bracket 71 that can slide, and the sliding direction is parallel to the sliding direction of the first mounting plate 2 and the second mounting plate 3; a plurality of locking components 72 that are evenly distributed in the circumferential direction are provided on the mounting bracket 71, and the locking component 72 includes a motor 721 fixed to the mounting bracket 71, and a fixing rod 722 is coaxially fixed to the end of the driving shaft of the motor 721, and a positioning hole 7221 is opened on the fixing rod 722 (the cross section of the positioning hole 7221 is a regular hexagon), and a regular hexagonal prism 723 is slidably fitted in the positioning hole 7221, and a spring 724 is provided in the positioning hole 7221, and the two ends of the spring 724 are respectively fixedly connected to the regular hexagonal prism 723 and the inner end surface of the positioning hole 7221, thereby realizing an elastic connection between the fixing rod 722 and the regular hexagonal prism 723; the end of each regular hexagonal prism 723 is respectively fitted with a hexagon socket bolt, and corresponds one to one with the through hole 51; and, as shown Figure 3 As shown, the second mounting plate 3 is provided with a plurality of clearance holes 34 corresponding to the through holes 51 one by one, and the diameter of the clearance holes 34 is larger than the head diameter of the hexagon socket bolts;

[0038] By controlling the mounting bracket 71 to move closer to the second mounting plate 3, the hexagon socket bolt passes through the clearance hole 34 and the through hole 51 in sequence and is pressed against the threaded hole 41. At this time, the spring 724 is compressed. Then, the motor 721 is controlled to operate. Under the elastic force of the spring 724, the hexagon socket bolt can be screwed into the threaded hole 41 until it is tightened.

[0039] In this embodiment, the end of the regular hexagonal prism 723 can cooperate with the hexagonal groove of the head of the hexagon socket bolt, and the end of the regular hexagonal prism 723 is made of a magnetic material, so that the hexagon socket bolt can be adsorbed and fixed.

[0040] It is worth mentioning that in this embodiment, the mounting frame 71 is slidably connected to the workbench 1. Two fixing plates 8 are fixed to the upper end of the workbench 1. A screw rod 9 is rotatably connected between the two fixing plates 8. The screw rod 9 passes through the mounting frame 71 and is threadedly connected to the mounting frame 71. A motor is provided on one of the fixing plates 8 to drive the screw rod 8 to rotate, thereby driving the mounting frame 71 to slide.

[0041] It should be noted that the screw rod 9 in this embodiment has a self-locking capability, that is, the thread lead angle of the screw rod 9 is smaller than the equivalent friction angle.

[0042] Of course, the method of driving the mounting frame 71 to slide includes but is not limited to the structure such as the screw rod in this embodiment. In some embodiments, the mounting frame 71 can also be directly driven to slide by linear driving components such as hydraulic cylinders and telescopic rods.

[0043] In addition, in this embodiment, pipe fittings are fixed on the first flange 4 and the second flange 5, and through holes for making way for the pipe fittings are opened on the first mounting plate 2 and the second mounting plate 3. Moreover, when the bolts are tightened, the connection assembly of the first flange 4 and the second flange 5 can be easily removed by driving the first mounting plate 2 and the second mounting plate 3 away from each other.

[0044] Working principle:

[0045] By arranging a first mounting plate 2 and a second mounting plate 3 that can slide parallel to each other on the workbench 1, the first flange 4 and the second flange 5 are positioned and fixed respectively, and the through hole 51 and the threaded hole 41 are made to correspond one to one, and a locking mechanism 7 is arranged on the side of the second mounting plate 3 facing away from the first mounting plate 2, a slidable mounting frame 71 is arranged in the locking mechanism 7, and a plurality of locking components 72 corresponding one to one with the through holes 51 are arranged on the mounting frame 71, and a rotatable fixing rod 722 is arranged in the locking component, and a spring 724 is arranged between the fixing rod 722 and the regular hexagonal prism 723 to realize elastic connection, and a hexagon socket bolt is installed on the upper part of the regular hexagonal prism 723, and the movement of the mounting frame 71 is controlled to make the hexagon socket bolt pass through the clearance hole and the through hole 51 and reach the threaded hole 41, and then the motor is controlled to rotate, so that the hexagon socket bolt can be locked between the first flange 4 and the second flange 5, which is more efficient and labor-saving than manually tightening the bolts. By setting the end of the regular hexagonal prism 723 to be a magnetic material, it is easy to adsorb and fix the hexagon socket bolt, thereby facilitating the installation and locking of the bolt.

[0046] Throughout this specification, references to terms such as "one embodiment," "example," or "specific example" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0047] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and modifications fall within the scope of the invention as claimed.

Claims

1. A screw locking device for a flange, comprising a workbench (1), characterized in that: A first mounting plate (2) and a second mounting plate (3) which can slide parallel to each other are arranged at the upper end of the workbench (1), and a first flange (4) and a second flange (5) are respectively installed thereon; a plurality of threaded holes (41) are provided on the first flange (4), and a through hole (51) corresponding to the threaded holes (41) is provided on the second flange (5); A locking mechanism (7) is provided on the side of the second mounting plate (3) facing away from the first mounting plate (2), and the locking mechanism (7) comprises a slidable mounting frame (71), on which a plurality of motors (721) are fixed, a fixed rod (722) is coaxially fixed to the driving shaft of the motor (721), a regular hexagonal prism (723) is slidably fitted on the fixed rod (722), and the regular hexagonal prism (723) and the fixed rod (722) are elastically connected via a spring (724); an inner hexagonal bolt corresponding to the through hole (51) is fitted at the end of the regular hexagonal prism (723), and a plurality of clearance holes (34) corresponding to the through hole (51) are provided on the second mounting plate (3), and the diameter of the clearance hole (34) is larger than the head diameter of the inner hexagonal bolt.

2. The screw locking device for flange according to claim 1, characterized in that: The end of the regular hexagonal prism (723) can cooperate with the hexagonal groove of the head of the hexagon socket bolt, and the end of the regular hexagonal prism (723) is made of magnet material.

3. The screw locking device for flange according to claim 1, characterized in that: The mounting frame (71) is slidably connected to the workbench (1), and the sliding direction is parallel to the sliding direction of the second mounting plate (3). Two fixing plates (8) are fixed to the upper end of the workbench (1), and a rotatable screw rod (9) is arranged between the two fixing plates (8). The screw rod (9) passes through the mounting frame (71) and is threadedly connected to the mounting frame (71).

4. The screw locking device for flange according to claim 3, characterized in that: The thread lead angle of the screw rod (9) is smaller than the equivalent friction angle.

5. The screw locking device for flange according to claim 1, characterized in that: The fixing rod (722) is provided with a positioning hole (7221), the cross section of the positioning hole (7221) is a regular hexagon, and the regular hexagonal prism (723) is slidably matched with the positioning hole (7221); a spring (724) is arranged in the positioning hole (7221), and the two ends of the spring (724) are respectively fixedly connected to the regular hexagonal prism (723) and the inner end surface of the positioning hole (7221).

6. The screw locking device for flange according to claim 1, characterized in that: The plurality of threaded holes (41) are evenly distributed in the circumferential direction.

7. The screw locking device for flange according to claim 1, characterized in that: The first mounting plate (2) is provided with a first circular groove (21) to cooperate with the outer circle of the first flange (4), and the first flange (4) is provided with a first cut surface (42), and the first circular groove (21) is provided with a first cut edge (22) to fit the first cut surface (42).

8. The screw locking device for flange according to claim 7, characterized in that: The second mounting plate (3) is provided with a second circular groove (31) to cooperate with the outer circle of the second flange (5), and a second cut surface (52) is provided on the second flange (5), and a second cut edge (32) is provided in the second circular groove (31) to fit the second cut surface (52); and when the first flange (4) and the second flange (5) are both installed and positioned, the through holes (51) can correspond one-to-one with the threaded holes (41).

9. The screw locking device for flange according to claim 8, characterized in that: The first mounting plate (2) and the second mounting plate (3) are respectively provided with a first through groove (23) and a second through groove (33) at their upper ends. A pressing block assembly (6) is installed at the first through groove (23) and the second through groove (33). The pressing block assembly (6) includes a pressing block (63) that can be raised and lowered. The pressing blocks (63) in the two pressing block assemblies (6) can respectively enter the first through groove (23) and the second through groove (33) and respectively press the first flange (4) and the second flange (5).

10. The screw locking device for flange according to claim 9, characterized in that: The lower end of the pressing block (63) is provided with an arc surface (631), and the arc surfaces (631) on the two pressing blocks (63) can respectively cooperate with the outer circular surfaces of the first flange (4) and the second flange (5).

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