An intelligent bolt tightening device based on pipeline assembly

Abstract

The present invention discloses an intelligent bolt tightening device based on pipeline assembly, and relates to the technical field of bolt tightening. The intelligent bolt tightening device based on pipeline assembly comprises a first shell and a second shell, wherein the first shell is installed at the bottom of the second shell, and a bayonet is provided at the bottom of the first shell, and a tightening mechanism capable of tightening hexagonal bolts of different diameters is arranged between the first shell and the second shell. The intelligent bolt tightening device based on pipeline assembly drives the adjusting shaft to rotate by a first driving unit, and drives a plurality of extrusion blocks to move when the adjusting shaft rotates, until the plurality of extrusion blocks fit with the outer side of the top end of the external hexagonal bolt, and drives the hollow shaft to rotate by a second driving unit, so that the plurality of extrusion blocks rotate accordingly, and the plurality of extrusion blocks screw the top end of the external hexagonal bolt, thereby being able to quickly tighten the external hexagonal bolts of different specifications and sizes.

Description

Technical Field

[0001] The invention relates to the technical field of bolt tightening, in particular to an intelligent bolt tightening device based on pipeline assembly. Background Art

[0002] The hexagonal bolt is a mechanical part, a type of fastener consisting of two parts: an external hexagonal head and a screw (a cylinder with external threads), and is commonly used to connect mechanical structures.

[0003] In the process of pipeline assembly, hexagonal bolts are widely used. Due to the large number of hexagonal bolts used, the workload is too large if they are tightened manually. Therefore, most of them now use bolt tightening equipment for fast bolt tightening.

[0004] The bolt tightening equipment is generally configured as a container with a built-in operating unit. There are many specifications and sizes of hexagonal bolts. Generally, the end of the container can be clamped with tools of different specifications. When tightening hexagonal bolts of different specifications and sizes, tools of different specifications need to be replaced. Each time the tightening work is performed, the corresponding tool needs to be selected for the hexagonal bolt, which is too cumbersome to use. Therefore, the present application proposes an intelligent bolt tightening equipment based on pipeline assembly. Summary of the invention

[0005] In response to the above-mentioned prior art, the present invention provides an intelligent bolt tightening device based on pipeline assembly, which solves the problem that when tightening hexagonal bolts of different specifications and sizes, tools of different specifications need to be replaced, and corresponding tools need to be selected for the hexagonal bolts every time the tightening work is performed, which is too cumbersome to use.

[0006] To achieve the above object, the present invention is implemented through the following technical solutions: an intelligent bolt tightening device based on pipeline assembly, comprising a first shell and a second shell, the first shell is installed at the bottom of the second shell, and a bayonet is provided at the bottom of the first shell, and a tightening mechanism capable of tightening hexagonal bolts of different diameters is provided between the first shell and the second shell;

[0007] The screwing mechanism includes:

[0008] A rotating sleeve, which is rotatably disposed inside the first shell, wherein a plurality of extrusion blocks are disposed inside the rotating sleeve, and the bottoms of the plurality of extrusion blocks are all located in the bayonet;

[0009] The inner cylinder is fixedly connected to the inside of the rotating sleeve, the top of the inner cylinder is rotatably connected to the adjusting shaft, and the top of the inner cylinder is also fixedly installed with a hollow shaft, which is movably sleeved on the outside of the adjusting shaft;

[0010] A first driving unit, the first driving unit is disposed between the first shell and the second shell, and the first driving unit cooperates with the adjusting shaft to drive the multiple extrusion blocks to move;

[0011] The second driving unit is arranged inside the second shell, and the second driving unit cooperates with the hollow shaft to drive multiple extrusion blocks to screw the ends of the hexagonal bolts.

[0012] Preferably, a protective plate is fixedly connected to the bottom of the inner cylinder.

[0013] Preferably, the first driving unit comprises:

[0014] A threaded rod, the threaded rod is arranged inside the inner tube, the bottom end of the threaded rod is rotatably connected to a bearing seat, and the bearing seat is fixedly connected to the inner tube through a plurality of support rods, the outer side of the threaded rod is threadedly connected to a nut block, the inner tube is provided with a plurality of vertical slide grooves that pass through inside and outside, the outer side of the nut block is fixedly connected to a plurality of connecting strips, and the plurality of connecting strips respectively pass through the plurality of vertical slide grooves to extend outwards;

[0015] An extrusion ring is arranged between the rotating sleeve and the inner cylinder, and the inner ring surface of the extrusion ring is fixedly connected to a plurality of connecting strips, and the extrusion ring is located above the plurality of extrusion blocks;

[0016] A transmission assembly is arranged between the extrusion ring and the multiple extrusion blocks, and the extrusion ring can drive the multiple extrusion blocks to move through the transmission assembly;

[0017] The driving assembly is arranged inside the second shell, the top end of the threaded rod is fixedly connected to the adjusting shaft, and the driving assembly can drive the adjusting shaft to rotate.

[0018] Preferably, the transmission assembly comprises:

[0019] A plurality of square sleeves, each of which is disposed above a plurality of extrusion blocks, a transmission gear is embedded in the top of the square sleeve, and fixed blocks are rotatably disposed on both sides of the top of the square sleeve, the fixed blocks are fixedly connected to the inner wall of the rotating sleeve, a transmission bar is movably inserted inside the square sleeve, and the bottom end of the transmission bar extends outward and is transmission-connected to the corresponding extrusion block;

[0020] Multiple racks are fixedly connected to the bottom of the extrusion ring, and the multiple racks are respectively meshed with multiple transmission gears. Multiple positioning strips are fixedly connected to the inner wall of the rotating sleeve, and the multiple racks are respectively slidably connected to the sides of the multiple positioning strips.

[0021] Preferably, a plurality of guide rails are fixedly connected to the inner wall of the rotating sleeve, an extrusion strip is movably inserted inside the guide rail, the end of the extrusion strip extends outward and is fixedly connected to the extrusion block, a rotating groove is opened above the extrusion strip, and the bottom end of the transmission strip is rotatably connected to the inner wall of the rotating groove.

[0022] Preferably, the driving assembly comprises:

[0023] A driving cavity is provided inside the second shell, an arc groove communicating with the driving cavity is provided on the outside of the second shell, a top end of the adjusting shaft passes through the bottom of the second shell and extends toward the inside of the driving cavity, and a driving gear is fixedly sleeved on the outside of the top end of the adjusting shaft;

[0024] The sliding bar is slidably arranged on the inner wall of the arc groove, a driving bar is movably inserted inside the sliding bar, the end of the driving bar extends toward the driving cavity and is fixedly connected with a tooth block, and the outer teeth of the tooth block are adapted to the driving gear.

[0025] Preferably, the end of the sliding bar is fixedly connected to a positioning block, the positioning block is fitted with the outer side of the second shell, and the interior of the positioning block is slidably connected to a slide plate, the end of the driving bar extends toward the interior of the positioning block and is fixedly connected to the side of the slide plate, and the outer wall of the driving bar inside the positioning block is movably sleeved with a positioning spring, and the two ends of the positioning spring are respectively fixedly connected to the side of the slide plate and the inner wall of the positioning block.

[0026] Preferably, a button is fixedly connected to the other side of the slide, an arc-shaped limiting groove is opened on the inner wall of the arc-shaped groove, an arc-shaped limiting block is fixedly connected to the outer side of the sliding bar, and the arc-shaped limiting block is slidably set on the inner wall of the arc-shaped limiting groove.

[0027] Preferably, the second driving unit comprises:

[0028] A driving motor, the driving motor is fixedly installed inside the second housing, and an output end of the driving motor is fixedly connected to a driving shaft;

[0029] The transmission shaft is rotatably arranged inside the second shell, the outer sides of the drive shaft and the transmission shaft are fixedly sleeved with synchronous gears, and the two synchronous gears are meshed and connected, the top end of the hollow shaft extends toward the inside of the second shell, and the transmission shaft is transmission-connected with the top end of the hollow shaft.

[0030] Preferably, a rotating large gear and a rotating small gear are fixedly sleeved on the outer side of the hollow shaft and the outer side of the transmission shaft respectively, and the rotating large gear and the rotating small gear are meshingly connected.

[0031] The present invention discloses an intelligent bolt tightening device based on pipeline assembly, which has the following beneficial effects:

[0032] 1. The intelligent bolt tightening device based on pipeline assembly, during the tightening process, firstly, the first shell is covered above the outer hexagonal bolt, so that the top of the outer hexagonal bolt enters the bayonet, and then the first driving unit is used to drive the adjusting shaft to rotate, and when the adjusting shaft rotates, the multiple extrusion blocks are driven to move until the multiple extrusion blocks are in contact with the outer side of the top of the outer hexagonal bolt, and then the second driving unit is turned on, and the second driving unit is used to drive the hollow shaft to rotate, and when the hollow shaft rotates, it can drive the rotating sleeve and the inner cylinder to rotate inside the first shell, and the multiple extrusion blocks are all arranged inside the rotating sleeve, so that the multiple extrusion blocks rotate accordingly, and the top of the outer hexagonal bolt can be screwed by the multiple extrusion blocks, so that the outer hexagonal bolts of different specifications and sizes can be screwed quickly.

[0033] 2. The intelligent bolt tightening equipment based on pipeline assembly, when the adjusting shaft needs to be rotated, first push the slide plate to slide inside the positioning block, on the one hand compressing the positioning spring, on the other hand making the driving bar slide inside the sliding bar until the tooth block at the end of the driving bar is meshed with the driving gear, at this time pulling the sliding bar to move in an arc on the inner wall of the arc groove, driving the driving gear to rotate, and then making the adjusting shaft rotate accordingly, after loosening the slide plate, the positioning spring resets to separate the tooth block from the driving gear, at this time the sliding bar can be reset, repeating the above action can continue to drive the adjusting shaft to rotate, and at the same time the movement direction of the sliding bar can be used to control the rotation direction of the adjusting shaft, which is more convenient to use.

[0034] 3. The intelligent bolt tightening equipment based on pipeline assembly can drive multiple racks below it to move vertically when the extrusion ring moves vertically. Since the transmission gear on the top of the square sleeve is meshed with the rack, the transmission gear and the square sleeve rotate accordingly. When the square sleeve rotates, the bottom end of the transmission bar inside it rotates and is connected to the rotating groove above the extrusion bar, so that the transmission bar slides outward and pushes the extrusion bar to slide outward in the guide rail, which can push the extrusion block to move horizontally, and then drive multiple extrusion blocks to move synchronously. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, 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.

[0036] Figure 1 It is a structural schematic diagram of an intelligent bolt tightening device in an embodiment of the present invention;

[0037] Figure 2 It is a structural schematic diagram of the bottom of the intelligent bolt tightening device in an embodiment of the present invention;

[0038] Figure 3 A plan cross-sectional view of an intelligent bolt tightening device in an embodiment of the present invention;

[0039] Figure 4 It is a structural cross-sectional view of the first shell and the second shell in an embodiment of the present invention;

[0040] Figure 5 Schematic diagram of the internal structure of the first shell and the second shell in an embodiment of the present invention;

[0041] Figure 6 A schematic diagram of a rotating sleeve and its internal structure in an embodiment of the present invention;

[0042] Figure 7 It is a schematic diagram of the structure of the rotating sleeve and the inner cylinder in an embodiment of the present invention;

[0043] Figure 8 This is a partial structural diagram of the first driving unit in an embodiment of the present invention;

[0044] Fig. 9 It is a partial structural schematic diagram of a transmission assembly in an embodiment of the present invention;

[0045] Fig.10 A structural cross-sectional view of a driving assembly in an embodiment of the present invention;

[0046] Fig.11 Schematic diagram of the structure of the second driving unit in an embodiment of the present invention.

[0047] In the figure: 1, first housing; 101, bayonet; 2, second housing; 3, rotating sleeve; 301, inner cylinder; 302, extrusion block; 303, adjustment shaft; 304, hollow shaft; 305, protection plate; 4, threaded rod; 401, bearing seat; 402, vertical slide groove; 403, connecting strip; 404, extrusion ring; 405, rack; 406, positioning strip; 5, square sleeve; 501, transmission gear; 502, fixing block; 503, transmission strip; 504, guide rail; 5 05, extrusion bar; 506, rotating groove; 6, driving cavity; 601, arc groove; 602, driving gear; 603, sliding bar; 604, driving bar; 605, tooth block; 606, positioning block; 607, slide plate; 608, positioning spring; 609, button; 610, arc limit groove; 611, arc limit block; 7, driving motor; 701, driving shaft; 702, transmission shaft; 703, synchronous gear; 704, rotating large gear; 705, rotating small gear. DETAILED DESCRIPTION

[0048] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are 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 creative work are within the scope of protection of the present invention.

[0049] Example: Figure 1-11 An intelligent bolt tightening device based on pipeline assembly is shown, comprising a first housing 1 and a second housing 2, wherein the first housing 1 is mounted on the bottom of the second housing 2, and a bayonet 101 is provided at the bottom of the first housing 1, and a tightening mechanism capable of tightening hexagonal bolts of different diameters is provided between the first housing 1 and the second housing 2;

[0050] The screwing mechanism includes:

[0051] The rotating sleeve 3 is rotatably disposed inside the first housing 1. A plurality of extrusion blocks 302 are disposed inside the rotating sleeve 3. The bottoms of the plurality of extrusion blocks 302 are all located in the bayonet 101.

[0052] The inner cylinder 301 is fixedly connected to the inside of the rotating sleeve 3, the top of the inner cylinder 301 is rotatably connected to the adjusting shaft 303, and the top of the inner cylinder 301 is also fixedly installed with a hollow shaft 304, and the hollow shaft 304 is movably sleeved on the outside of the adjusting shaft 303;

[0053] A first driving unit, the first driving unit is disposed between the first shell 1 and the second shell 2, and the first driving unit cooperates with the adjusting shaft 303 to drive the plurality of extrusion blocks 302 to move;

[0054] The second driving unit is disposed inside the second housing 2 , and the second driving unit cooperates with the hollow shaft 304 to drive the plurality of extrusion blocks 302 to screw the ends of the hexagonal bolts.

[0055] During the screwing process, first, the first shell 1 is covered above the hexagonal bolt so that the top of the hexagonal bolt enters the bayonet 101. At this time, the first driving unit is used to drive the adjusting shaft 303 to rotate. When the adjusting shaft 303 rotates, the multiple extrusion blocks 302 are driven to move until the multiple extrusion blocks 302 are in contact with the outer side of the top of the hexagonal bolt. At this time, the second driving unit is turned on and the hollow shaft 304 is driven to rotate by the second driving unit. When the hollow shaft 304 rotates, it can drive the rotating sleeve 3 and the inner cylinder 301 to rotate inside the first shell 1, and the multiple extrusion blocks 302 are all arranged inside the rotating sleeve 3, so that the multiple extrusion blocks 302 rotate accordingly, and the top of the hexagonal bolt can be screwed by the multiple extrusion blocks 302, so that the hexagonal bolts of different specifications and sizes can be screwed quickly.

[0056] Furthermore, a protective plate 305 is fixedly connected to the bottom of the inner cylinder 301 . When the top end of the hexagonal bolt enters the bayonet 101 , the protective plate 305 is fitted with the protective plate 305 , thereby providing a certain degree of protection for the inner cylinder 301 .

[0057] Particularly disclosed, the first driving unit comprises:

[0058] The threaded rod 4 is arranged inside the inner cylinder 301. The bottom end of the threaded rod 4 is rotatably connected to a bearing seat 401, and the bearing seat 401 is fixedly connected to the inner cylinder 301 through a plurality of support rods. The outer side of the threaded rod 4 is threadedly connected to a nut block. The inner cylinder 301 is provided with a plurality of vertical slide grooves 402 that pass through the inner and outer sides. The outer side of the nut block is fixedly connected to a plurality of connecting strips 403, and the plurality of connecting strips 403 respectively pass through the plurality of vertical slide grooves 402 and extend outwards.

[0059] An extrusion ring 404 is disposed between the rotating sleeve 3 and the inner cylinder 301 , and the inner ring surface of the extrusion ring 404 is fixedly connected to the plurality of connecting strips 403 , and the extrusion ring 404 is located above the plurality of extrusion blocks 302 ;

[0060] A transmission assembly, which is disposed between the extrusion ring 404 and the plurality of extrusion blocks 302. The extrusion ring 404 can drive the plurality of extrusion blocks 302 to move through the transmission assembly;

[0061] The driving assembly is arranged inside the second housing 2 . The top end of the threaded rod 4 is fixedly connected to the adjusting shaft 303 , and the driving assembly can drive the adjusting shaft 303 to rotate.

[0062] When the driving component is working, it can drive the adjusting shaft 303 to rotate, and then the threaded rod 4 at the bottom end of the adjusting shaft 303 rotates accordingly. Since the outer thread of the threaded rod 4 is connected to a nut block, the nut block moves vertically accordingly, and drives multiple connecting strips 403 to slide vertically in multiple vertical slide grooves 402 respectively. The inner ring surface of the extrusion ring 404 is fixedly connected to the multiple connecting strips 403, so that the extrusion ring 404 can move vertically. At this time, the extrusion ring 404 can drive the multiple extrusion blocks 302 to move through the transmission component.

[0063] It is particularly important to emphasize that the transmission components include:

[0064] A plurality of square sleeves 5, the plurality of square sleeves 5 are respectively arranged above the plurality of extrusion blocks 302, a transmission gear 501 is embedded in the top of the square sleeve 5, and fixed blocks 502 are rotatably arranged on both sides of the top of the square sleeve 5, the fixed blocks 502 are fixedly connected to the inner wall of the rotating sleeve 3, a transmission bar 503 is movably inserted inside the square sleeve 5, and the bottom end of the transmission bar 503 extends outward and is transmission-connected to the corresponding extrusion block 302;

[0065] Multiple racks 405 are fixedly connected to the bottom of the extrusion ring 404, and the multiple racks 405 are respectively meshed with multiple transmission gears 501. Multiple positioning bars 406 are fixedly connected to the inner wall of the rotating sleeve 3. The multiple racks 405 are respectively slidably connected to the sides of the multiple positioning bars 406. The positioning bars 406 are used to make the racks 405 more stable when moving vertically, and they can be guided without displacement in other directions.

[0066] Furthermore, a plurality of guide rails 504 are fixedly connected to the inner wall of the rotating sleeve 3, and an extrusion bar 505 is movably inserted inside the guide rail 504. The end of the extrusion bar 505 extends outward and is fixedly connected to the extrusion block 302. A rotating groove 506 is opened above the extrusion bar 505, and the bottom end of the transmission bar 503 is rotatably connected to the inner wall of the rotating groove 506.

[0067] When the extrusion ring 404 moves vertically, it can drive the multiple racks 405 below it to move vertically. Since the transmission gear 501 at the top of the square sleeve 5 is meshed with the rack 405, the transmission gear 501 and the square sleeve 5 rotate accordingly. When the square sleeve 5 rotates, the bottom end of the transmission bar 503 inside it rotates and is connected to the rotating groove 506 above the extrusion bar 505, so that the transmission bar 503 slides outward and pushes the extrusion bar 505 to slide outward in the guide rail 504, which can push the extrusion block 302 to move horizontally, and then drive the multiple extrusion blocks 302 to move synchronously.

[0068] It is important to emphasize that the drive components include:

[0069] The driving cavity 6 is opened inside the second shell 2. The outer side of the second shell 2 is provided with an arc groove 601 connected with the driving cavity 6. The top end of the adjusting shaft 303 passes through the bottom of the second shell 2 and extends toward the inside of the driving cavity 6. The outer side of the top end of the adjusting shaft 303 is fixedly sleeved with a driving gear 602.

[0070] The sliding bar 603 is slidably arranged on the inner wall of the arc groove 601, and a driving bar 604 is movably inserted inside the sliding bar 603. The end of the driving bar 604 extends toward the driving cavity 6 and is fixedly connected with a tooth block 605, and the outer teeth of the tooth block 605 are adapted to the driving gear 602.

[0071] Furthermore, the end of the sliding bar 603 is fixedly connected to a positioning block 606, the positioning block 606 is fitted with the outer side of the second shell 2, and the interior of the positioning block 606 is slidably connected to a slide plate 607, the end of the driving bar 604 extends toward the interior of the positioning block 606 and is fixedly connected to the side of the slide plate 607, and the outer wall of the driving bar 604 that is inside the positioning block 606 is movably sleeved with a positioning spring 608, and the two ends of the positioning spring 608 are respectively fixedly connected to the side of the slide plate 607 and the inner wall of the positioning block 606.

[0072] When it is necessary to rotate the adjusting shaft 303, first push the slide plate 607 to slide inside the positioning block 606. On the one hand, the positioning spring 608 is compressed, and on the other hand, the driving bar 604 slides inside the sliding bar 603 until the tooth block 605 at the end of the driving bar 604 is meshed with the driving gear 602. At this time, pull the sliding bar 603 to move in an arc on the inner wall of the arc groove 601, which drives the driving gear 602 to rotate, and then the adjusting shaft 303 rotates accordingly. After releasing the slide plate 607, the positioning spring 608 is reset to separate the tooth block 605 from the driving gear 602. At this time, the sliding bar 603 can be reset. Repeating the above actions can continue to drive the adjusting shaft 303 to rotate. At the same time, the moving direction of the sliding bar 603 can be used to control the rotation direction of the adjusting shaft 303, which is more convenient to use.

[0073] Furthermore, a button 609 is fixedly connected to the other side of the slide plate 607, an arc-shaped limit groove 610 is opened on the inner wall of the arc-shaped groove 601, an arc-shaped limit block 611 is fixedly connected to the outer side of the sliding bar 603, and the arc-shaped limit block 611 is slidably set on the inner wall of the arc-shaped limit groove 610.

[0074] The button 609 is provided to facilitate pressing the slide plate 607, and the arc-shaped limit groove 610 and the arc-shaped limit block 611 are provided to limit the movement of the slide bar 603, so that the slide bar 603 can only move in an arc, so that it can accurately drive the driving gear 602 to rotate.

[0075] Particularly disclosed, the second driving unit comprises:

[0076] A driving motor 7, the driving motor 7 is fixedly installed inside the second housing 2, and an output end of the driving motor 7 is fixedly connected to a driving shaft 701;

[0077] The transmission shaft 702 is rotatably arranged inside the second shell 2, and the outer sides of the drive shaft 701 and the transmission shaft 702 are fixedly sleeved with synchronous gears 703, and the two synchronous gears 703 are meshed and connected, and the top end of the hollow shaft 304 extends toward the inside of the second shell 2, and the transmission shaft 702 is transmission-connected with the top end of the hollow shaft 304.

[0078] Furthermore, a rotating large gear 704 and a rotating small gear 705 are fixedly sleeved on the outer side of the hollow shaft 304 and the outer side of the transmission shaft 702 respectively, and the rotating large gear 704 and the rotating small gear 705 are meshingly connected.

[0079] When the driving motor 7 is working, the driving shaft 701 at its output end rotates accordingly. Since the outer sides of the driving shaft 701 and the transmission shaft 702 are fixedly sleeved with synchronous gears 703, and the two synchronous gears 703 are meshed and connected, the transmission shaft 702 rotates accordingly. Since the rotating small gear 705 at the bottom end of the transmission shaft 702 is meshed and connected with the rotating large gear 704 on the outer side of the hollow shaft 304, the hollow shaft 304 can rotate accordingly. At this time, the tooth block 605 and the driving gear 602 are in a separated state. When the inner cylinder 301 rotates, it will not affect the tooth block 605.

[0080] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. An intelligent bolt tightening device based on pipeline assembly, characterized in that: The invention comprises a first shell (1) and a second shell (2), wherein the first shell (1) is mounted on the bottom of the second shell (2), and a bayonet (101) is provided on the bottom of the first shell (1), and a screwing mechanism capable of screwing hexagonal bolts of different diameters is provided between the first shell (1) and the second shell (2); The screwing mechanism comprises: A rotating sleeve (3), the rotating sleeve (3) being rotatably arranged inside the first shell (1), a plurality of extrusion blocks (302) being arranged inside the rotating sleeve (3), and the bottoms of the plurality of extrusion blocks (302) are all located in the bayonet (101); An inner cylinder (301), the inner cylinder (301) is fixedly connected to the inside of the rotating sleeve (3), the top of the inner cylinder (301) is rotatably connected to an adjusting shaft (303), and a hollow shaft (304) is also fixedly installed on the top of the inner cylinder (301), and the hollow shaft (304) is movably sleeved on the outside of the adjusting shaft (303); A first driving unit, the first driving unit being arranged between the first shell (1) and the second shell (2), and the first driving unit being able to drive the plurality of extrusion blocks (302) to move in cooperation with the adjustment shaft (303); A second drive unit, the second drive unit being arranged inside the second housing (2), and the second drive unit being able to drive the plurality of extrusion blocks (302) to screw the ends of the hexagonal bolts together with the hollow shaft (304); The first driving unit comprises: A threaded rod (4), the threaded rod (4) being arranged inside the inner cylinder (301), the bottom end of the threaded rod (4) being rotatably connected to a bearing seat (401), and the bearing seat (401) being fixedly connected to the inner cylinder (301) via a plurality of support rods, the outer side of the threaded rod (4) being threadably connected to a nut block, the inner cylinder (301) being provided with a plurality of vertical slide grooves (402) penetrating inside and outside, the outer side of the nut block being fixedly connected to a plurality of connecting strips (403), and the plurality of connecting strips (403) respectively passing through the plurality of vertical slide grooves (402) to extend outwards; An extrusion ring (404), the extrusion ring (404) being arranged between the rotating sleeve (3) and the inner cylinder (301), and the inner ring surface of the extrusion ring (404) being fixedly connected to a plurality of connecting strips (403), and the extrusion ring (404) being located above the plurality of extrusion blocks (302); A transmission assembly, the transmission assembly being arranged between the extrusion ring (404) and the plurality of extrusion blocks (302), and the extrusion ring (404) can drive the plurality of extrusion blocks (302) to move via the transmission assembly; The transmission assembly comprises: A plurality of square sleeves (5), the plurality of square sleeves (5) are respectively arranged above the plurality of extrusion blocks (302), a transmission gear (501) is embedded in the top of the square sleeve (5), and fixed blocks (502) are rotatably arranged on both sides of the top of the square sleeve (5), the fixed blocks (502) are fixedly connected to the inner wall of the rotating sleeve (3), a transmission bar (503) is movably inserted inside the square sleeve (5), and the bottom end of the transmission bar (503) extends outwardly and is transmission-connected to the corresponding extrusion block (302); A plurality of racks (405), the plurality of racks (405) are fixedly connected to the bottom of the extrusion ring (404), and the plurality of racks (405) are respectively meshed and connected to the plurality of transmission gears (501); a plurality of positioning strips (406) are fixedly connected to the inner wall of the rotating sleeve (3), and the plurality of racks (405) are respectively slidably connected to the sides of the plurality of positioning strips (406); A plurality of guide rails (504) are fixedly connected to the inner wall of the rotating sleeve (3); an extrusion bar (505) is movably inserted into the guide rail (504); the end of the extrusion bar (505) extends outward and is fixedly connected to the extrusion block (302); a rotation groove (506) is provided above the extrusion bar (505); and the bottom end of the transmission bar (503) is rotatably connected to the inner wall of the rotation groove (506); The second driving unit comprises: A drive motor (7), the drive motor (7) being fixedly mounted inside the second housing (2), and an output end of the drive motor (7) being fixedly connected to a drive shaft (701); A transmission shaft (702), the transmission shaft (702) being rotatably disposed inside the second housing (2), the outer sides of the drive shaft (701) and the transmission shaft (702) being fixedly sleeved with a synchronous gear (703), and the two synchronous gears (703) being meshingly connected, the top end of the hollow shaft (304) extending toward the inside of the second housing (2), and the transmission shaft (702) being transmission-connected to the top end of the hollow shaft (304); A rotating large gear (704) and a rotating small gear (705) are respectively fixedly sleeved on the outer side of the hollow shaft (304) and the outer side of the transmission shaft (702), and the rotating large gear (704) and the rotating small gear (705) are meshingly connected; A driving assembly, the driving assembly is arranged inside the second housing (2), the top end of the threaded rod (4) is fixedly connected to the adjusting shaft (303), and the driving assembly can drive the adjusting shaft (303) to rotate; The drive assembly comprises: A driving cavity (6), the driving cavity (6) being arranged inside the second shell (2), an arc-shaped groove (601) being arranged on the outside of the second shell (2) and being connected to the driving cavity (6), a top end of the adjusting shaft (303) passing through the bottom of the second shell (2) and extending toward the inside of the driving cavity (6), and a driving gear (602) being fixedly sleeved on the outside of the top end of the adjusting shaft (303); A sliding bar (603) is slidably arranged on the inner wall of the arc-shaped groove (601), a driving bar (604) is movably inserted into the interior of the sliding bar (603), an end of the driving bar (604) extends toward the driving cavity (6) and is fixedly connected to a tooth block (605), and the outer teeth of the tooth block (605) are adapted to the driving gear (602).

2. The intelligent bolt tightening device based on pipeline assembly according to claim 1, characterized in that: A protection plate (305) is fixedly connected to the bottom of the inner cylinder (301).

3. The intelligent bolt tightening device based on pipeline assembly according to claim 1, characterized in that: The end of the sliding bar (603) is fixedly connected to a positioning block (606), the positioning block (606) is in contact with the outer side of the second shell (2), and the interior of the positioning block (606) is slidably connected to a slide plate (607), the end of the driving bar (604) extends toward the interior of the positioning block (606) and is fixedly connected to the side of the slide plate (607), and a positioning spring (608) is movably sleeved on the outer wall of the driving bar (604) located inside the positioning block (606), and the two ends of the positioning spring (608) are respectively fixedly connected to the side of the slide plate (607) and the inner wall of the positioning block (606).

4. The intelligent bolt tightening device based on pipeline assembly according to claim 3 is characterized in that: A button (609) is fixedly connected to the other side of the slide plate (607), an arc-shaped limiting groove (610) is provided on the inner wall of the arc-shaped groove (601), an arc-shaped limiting block (611) is fixedly connected to the outer side of the sliding bar (603), and the arc-shaped limiting block (611) is slidably arranged on the inner wall of the arc-shaped limiting groove (610).

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