CN107356421B - Portable main shaft test fixture of underwater friction stitch welding machine - Google Patents
Portable main shaft test fixture of underwater friction stitch welding machine Download PDFInfo
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- CN107356421B CN107356421B CN201710636152.4A CN201710636152A CN107356421B CN 107356421 B CN107356421 B CN 107356421B CN 201710636152 A CN201710636152 A CN 201710636152A CN 107356421 B CN107356421 B CN 107356421B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
- G01N2203/0411—Chucks, fixtures, jaws, holders or anvils using pneumatic or hydraulic pressure
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Abstract
The invention discloses a portable underwater friction stitch welding machine spindle test fixture, which comprises two vertical plates, wherein two oil cylinder fixing plates are arranged between the two vertical plates, two clamping blocks are arranged between the two oil cylinder fixing plates, the upper side and the lower side of each clamping block are respectively provided with an adjusting substrate, a sliding block inner ring is arranged between the two clamping blocks, locking clamping strips are arranged between the sliding block inner ring and the clamping blocks, and a friction stitch welding machine spindle is arranged inside the sliding block inner ring; the bottom of each vertical plate is connected with a holding plate, one end of the holding plate is hinged with the vertical plate through a connecting rotating shaft, and the other end of the holding plate is locked with the vertical plate through a locking bolt and a nut; the outside of the vertical plate and the enclasping plate are provided with fixed protruding blocks, an opening and closing hydraulic cylinder and a hydraulic cylinder pull rod are arranged between the two fixed protruding blocks, and the hydraulic cylinder pull rod and the opening and closing hydraulic cylinder rotate and push and pull in a bidirectional movement. The invention can conveniently complete the detection of the performance of the main shaft of the underwater friction stitch welding machine by matching with the water tank and the pressure cabin, and has the characteristics of convenient carrying, convenient operation and installation, cost saving and the like.
Description
Technical Field
The invention relates to an underwater friction stitch welding machine, in particular to a portable main shaft test fixture of an underwater friction stitch welding machine.
Background
The underwater friction stitch welding machine is mainly oriented to the repair of marine tubular objects, and needs to meet the performance requirements of safety, reliability, economy and the like when in submarine operation. The underwater friction stitch welding machine works underwater, has the advantages of insensitivity to water depth, small welding deformation, high efficiency, low energy consumption and the like, and is widely applied in recent years. The main shaft is a key component of the underwater friction stitch welding machine, and the performance of the main shaft can have great influence on welding effect and welding reliability during underwater operation. Therefore, before the underwater friction stitch welding machine performs the underwater actual repair operation, the performance of the main shaft such as rotation precision, vibration resistance, high-pressure sealing performance, corrosion resistance, wear resistance and the like needs to be detected. The performance of the main shaft is directly tested under the actual condition by using the underwater friction stitch welding machine, high cost is required, and the use is inconvenient, so that the main shaft test fixture of the underwater friction stitch welding machine is very necessary to design.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides the portable main shaft test fixture of the underwater friction stitch welding machine, which can conveniently complete the detection of the main shaft performance of the underwater friction stitch welding machine by matching with a water tank and a pressure cabin, can meet the test requirement of the main shaft performance of the on-site friction stitch welding machine, and has the characteristics of convenience in carrying, convenience in operation and installation, cost saving and the like.
The aim of the invention is achieved by the following technical scheme.
The portable underwater friction stitch welding machine main shaft test fixture comprises a fixture body, wherein the fixture body comprises two vertical plates which are arranged in parallel, two oil cylinder fixing plates are vertically arranged between the upper parts of the two vertical plates, two clamping blocks are arranged between the two oil cylinder fixing plates, adjusting substrates are arranged on the upper side and the lower side of each of the two clamping blocks, a sliding block inner ring is arranged between each of the two clamping blocks, locking clamping strips are arranged between each of the sliding block inner rings and each of the clamping blocks, a friction stitch welding machine main shaft is arranged inside each of the sliding block inner rings, and the upper end and the lower end of each of the friction stitch welding machine main shaft respectively penetrate through the adjusting substrates;
the bottom of each vertical plate is connected with a enclasping plate, arc grooves are formed in the bottom of each vertical plate and the top of each enclasping plate, one end of each enclasping plate is hinged with each vertical plate through a connecting rotating shaft, the other end of each enclasping plate is locked with each vertical plate through a locking bolt and a nut, and the enclasping plates and the vertical plates are opened and closed relatively to enclasp a pipeline; the vertical plate and the enclasping plate are both provided with fixed protruding blocks on the outer sides, an opening and closing hydraulic cylinder and a hydraulic cylinder pull rod are arranged between the two fixed protruding blocks, and the hydraulic cylinder pull rod and the opening and closing hydraulic cylinder perform rotation and push-pull bidirectional movement, so that the enclasping plate, the vertical plate and the pipeline can be automatically clamped and opened.
The vertical plate and the oil cylinder fixing plate are locked through bolts, positioning holes are formed in the vertical plate, threaded holes are formed in the side face of the oil cylinder fixing plate, and the number of the positioning holes in the vertical plate is larger than that of the threaded holes in the oil cylinder fixing plate; the baffle is welded on the inner side of the vertical plate, and the baffle is positioned on the outer side of the oil cylinder fixing plate.
The clamping block and the oil cylinder fixing plate are locked through bolts, the oil cylinder fixing plate is provided with positioning holes, the positioning holes are U-shaped holes, and the clamping block is provided with threaded holes.
The front end face and the rear end face of each clamping block are respectively provided with two clamping block supports, and the two clamping block supports are clamped at the upper end and the lower end of the oil cylinder fixing plate; every clamp splice side all is provided with horizontal jack bolt, carries out the jack through the bolt hole that sets up on the riser to the clamp splice, horizontal jack bolt passes the clamp splice jack locking gib.
The upper surface and the lower surface of the inner ring of the sliding block are respectively provided with a bolt hole, the inner ring of the sliding block is connected with the adjusting base plate through a longitudinal jacking bolt, the main shaft of the friction stitch welding machine is locked and installed through the bolts and the main shaft connecting flange, and a welding stopper rod arranged at the bottom of the main shaft of the friction stitch welding machine penetrates through the adjusting base plate.
The fixing lugs are provided with positioning mounting holes, one end of the opening and closing hydraulic cylinder is connected with the fixing lugs on the vertical plate through locking screws and nuts, the other end of the opening and closing hydraulic cylinder is connected with a hydraulic cylinder pull rod, and the other end of the hydraulic cylinder pull rod is connected with the fixing lugs on the enclasping plate through a rotating shaft and nuts; and the opening and closing hydraulic cylinder is provided with an oil inlet and an oil outlet.
Lifting lugs are welded on the side faces of the vertical plates, and pipe protection blocks used for clamping the pipeline are arranged in the arc-shaped grooves on the vertical plates and the arc-shaped grooves on the enclasping plates.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
(1) In the invention, the side surfaces of the vertical plate and the enclasping plate are provided with the fixing convex blocks, and an opening and closing hydraulic cylinder and a hydraulic cylinder pull rod are arranged between the two fixing convex blocks and are used for automatically clamping and opening the enclasping plate, the vertical plate and the pipeline; the fixing boss is provided with a positioning mounting hole for locking and positioning the hydraulic cylinder pull rod and the opening and closing hydraulic cylinder, the hydraulic cylinder pull rod 17 is connected with the fixing lug on the enclasping plate through a rotating shaft 16 by utilizing a nut, the opening and closing hydraulic cylinder is connected with the fixing lug on the vertical plate through a locking screw by utilizing a nut, and the locking screw is not full threads, so that the hydraulic cylinder pull rod and the opening and closing hydraulic cylinder can rotate; the opening and closing hydraulic cylinder is provided with an oil inlet and an oil outlet, so that a pull rod of the hydraulic cylinder can push and pull in a bidirectional movement, and the opening and closing hydraulic cylinder and the end part of the main shaft are well sealed;
(2) According to the invention, the vertical plate and the oil cylinder fixing plate are locked through the positioning holes arranged on the vertical plate by using the bolts, the number of the positioning holes arranged on the vertical plate is more than that of the threaded holes on the oil cylinder fixing plate, and the z-direction position of the oil cylinder fixing plate can be adjusted; the baffle is welded on the inner side of the vertical plate, so that the rigidity of the y-direction position of the oil cylinder fixing plate is ensured;
(3) In the invention, the clamping blocks are connected with the clamping block supports through the bolts, and each clamping block is provided with four clamping block supports, so that the rigidity of the clamping blocks in the z direction is ensured; the side surface of each clamping block is provided with a jacking bolt, and the clamping blocks are jacked through positioning holes arranged on the vertical plates, so that the rigidity of the clamping blocks in the x direction is ensured;
(4) According to the invention, the inner ring of the sliding block is mainly used for positioning and mounting the main shaft of the friction stitch welding machine, and bolt holes are arranged on the upper surface and the lower surface of the inner ring of the sliding block, so that the main shaft of the friction stitch welding machine is locked and mounted by the bolts through the main shaft connecting flange; the upper side and the lower side of the inner ring of the sliding block are connected and propped with the adjusting substrate by using a longitudinal propping bolt;
(5) In the invention, the arc-shaped grooves at the bottom of the vertical plate and the arc-shaped groove at the top of the holding plate are respectively provided with a protective pipe sleeve, and the vertical plate, the holding plate and the pipeline are clamped by utilizing a protective pipe block; the arc width of the pipe protection block is larger than the widths of the vertical plate and the enclasping plate, so as to ensure stable clamping with the pipeline;
(6) According to the invention, the performance of the main shaft of the underwater friction stitch welding machine can be tested, the clamp can ensure the static rigidity, vibration resistance stability, sealing performance, wear resistance and other performances of the operation of the main shaft, and the clamp has the characteristics of quick and stable installation, easy disassembly and the like, is convenient to carry, is suitable for field operation, and can realize the underwater test of the sealing performance, pressure resistance and the like of the main shaft.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a partial cross-sectional view taken along the major axis of the present invention; the method comprises the steps of carrying out a first treatment on the surface of the
FIG. 3 is a schematic view of the present invention prior to installation;
FIG. 4 is a schematic diagram of an opening and closing hydraulic cylinder of the present invention;
FIG. 5 is a schematic view of the structure of the invention in a water tank;
fig. 6 is a specific application diagram of the present invention.
Reference numeral 1-a main shaft of a friction stitch welding machine; 2-longitudinally tightening the bolts; 3-adjusting the substrate; 4-clamping blocks; 5-an oil cylinder fixing plate; 6-clamping block holders; 7-transversely jacking bolts; 8-vertical plates; 9-a baffle; 10-welding a stopper rod; 11-a protective tube block; 12-piping; 13-locking a bolt; 14-enclasping the plate; 15-fixing the boss; 16-a rotation axis; 17-a hydraulic cylinder pull rod; 18-an opening and closing hydraulic cylinder; 19-locking screws; 20-an oil outlet; 21-a slider inner ring; 22-locking clip strips; 23-a main shaft connecting flange; 24-oil inlet; 25-lifting lugs; 26-a water tank; 27-a pressure chamber; 28-casters; 29-connecting the rotating shaft.
Detailed Description
The portable underwater friction stitch welding machine spindle test fixture of the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, the portable underwater friction stitch welding machine main shaft test fixture comprises a fixture body, wherein the fixture body comprises two vertical plates 8 which are arranged in parallel, two oil cylinder fixing plates 5 are vertically arranged between the upper parts of the two vertical plates 8, two clamping blocks 4 are arranged between the two oil cylinder fixing plates 5, an adjusting substrate 3 is arranged on the upper side and the lower side of each of the two clamping blocks 4, a sliding block inner ring 21 is arranged between the two clamping blocks 4, a locking clamping strip 22 is arranged between the sliding block inner ring 21 and the clamping block 4, a friction stitch welding machine main shaft 1 is arranged in the sliding block inner ring 21, a welding stopper 10 is arranged at the bottom of the friction stitch welding machine main shaft 1, the upper end and the lower end of the friction stitch welding machine main shaft 1 respectively penetrate through the adjusting substrate 3, and the welding stopper 10 penetrates through the adjusting substrate 3.
The bottom of each vertical plate 8 is connected with a enclasping plate 14, arc grooves are formed in the bottoms of the vertical plates 8 and the tops of the enclasping plates 14, one end of each enclasping plate 14 is hinged to the vertical plate 8 through a connecting rotating shaft 29, the other end of each enclasping plate 14 is locked with the vertical plate 8 through a locking bolt 13 and a nut, the enclasping plates 14 and the vertical plates 8 are relatively opened and closed, the pipeline 12 is enclasped, and the locking bolts 13 are not full threads. The outside of the vertical plate 8 and the enclasping plate 14 are provided with fixing convex blocks 15, and an opening and closing hydraulic cylinder 18 and a hydraulic cylinder pull rod 17 are arranged between the two fixing convex blocks 15 and used for automatically clamping and opening the enclasping plate 14, the vertical plate 8 and the pipeline 12.
The locating holes can be formed in the vertical plate 8, threaded holes are formed in the side face of the oil cylinder fixing plate 5, the vertical plate 8 and the oil cylinder fixing plate 5 are locked through bolts, the number of the locating holes in the vertical plate 8 is larger than that of the threaded holes in the oil cylinder fixing plate 5, and the purpose is to adjust the z-direction position of the oil cylinder fixing plate 5. The baffle plate 9 is welded on the inner side of the vertical plate 8, and the baffle plate 9 is positioned on the outer side of the oil cylinder fixing plate 5, so as to ensure the rigidity of the y-direction position of the oil cylinder fixing plate 5.
The oil cylinder fixing plate 5 is provided with a locating hole, the locating hole is a U-shaped hole, and the clamping block 4 is provided with a threaded hole. The clamping blocks 4 and the oil cylinder fixing plate 5 are locked by bolts through positioning holes formed in the oil cylinder fixing plate 5.
The front and back terminal surfaces of every clamp splice 4 are provided with two clamp splice respectively and hold in the palm 6 (namely every clamp splice 4 possess four clamp splice holds in the palm 6), clamp splice 4 holds in the palm 6 through the bolt with the clamp splice and is connected, and two clamp splice holds in the palm 6 card and locates the upper and lower both ends of hydro-cylinder fixed plate 5, and the purpose is that the z direction position rigidity of clamp splice 4 is guaranteed. Every clamp splice 4 side all is provided with horizontal jack bolt 7, through setting up the bolt hole on riser 8, carries out the jack-up to clamp splice 4, and the purpose is in order to guarantee the x direction position rigidity of clamp splice 4.
The slider inner ring 21 is mainly used for positioning and mounting the friction stitch welding machine main shaft 1, bolt holes are formed in the upper surface and the lower surface of the slider inner ring, and the purpose is to lock and mount the friction stitch welding machine main shaft 1 through bolts and a main shaft connecting flange 23 for the friction stitch welding machine main shaft 1. The slider inner ring 21 and the adjusting substrate 3 are connected and tightly supported through the longitudinal jacking bolts 2, the longitudinal jacking bolts 2 (M20 bolts are selected) are utilized to tightly support the positioning holes formed in the adjusting substrate 3, and then the transverse jacking bolts 7 are matched to tightly support the locking clamping strips 22 through the clamping blocks 4, so that the slider inner ring 21 is tightly supported.
Lifting lugs 25 are welded on the side faces of the vertical plates 8, and the purpose is to facilitate lifting of the assembled clamp. The arc-shaped grooves on the vertical plate 8 and the arc-shaped grooves on the enclasping plate 14 are internally provided with the pipe protection block 11, the vertical plate 8, the enclasping plate 14 and the pipeline 12 are clamped by the pipe protection block 11, and the pipe protection block 11 is locked with the vertical plate 8 and the enclasping plate 14 through bolts. The arc width of the protective pipe block 11 is larger than the widths of the vertical plate 8 and the enclasping plate 14, so that stable clamping with the pipeline 12 is ensured, the hinge B, C in fig. 4 is reasonably arranged relative to the central position of the pipeline 12, the installation and the disassembly of the pipeline 12 can be met, and the stroke of the opening and closing hydraulic cylinder 18 meets the requirements.
Positioning mounting holes are formed in the fixing protruding blocks 15 on the side surfaces of the vertical plate 8 and the enclasping plate 14 and are used for locking and positioning of the hydraulic cylinder pull rod 17 and the opening and closing hydraulic cylinder 18. One end of the opening and closing hydraulic cylinder 18 is connected with the fixing convex block 15 on the vertical plate 8 through a locking screw 19 and a nut, the other end of the opening and closing hydraulic cylinder is connected with the hydraulic cylinder pull rod 17, and the other end of the hydraulic cylinder pull rod 17 is connected with the fixing convex block 15 on the enclasping plate 14 through a rotating shaft 16 and a nut. The locking screw 19 is not fully threaded in order to allow rotation of the cylinder rod 17 and the opening and closing cylinder 18. The opening and closing hydraulic cylinder 18 is provided with an oil inlet 24 and an oil outlet 20, so that the hydraulic cylinder pull rod 17 can push and pull in a bidirectional movement, and the opening and closing hydraulic cylinder 18 and the end part of the main shaft are well sealed.
The principle of the opening and closing hydraulic cylinder 18 is as follows: the hydraulic cylinder opening and closing mechanism can be simplified to a crank guide mechanism, as shown in fig. 4. In the figure, A, B, C points respectively represent the hinging rotation axes of the vertical plate 8 and the enclasping plate 14, the rotation axes of the opening and closing hydraulic cylinder 18 and the hydraulic cylinder pull rod 17, rotating the axle center. Fig. 4 (a) shows the vertical plate 8 and the clasping plate 14 in a closed state, and fig. 4 (b) shows the vertical plate 8 and the clasping plate 14 in an open limit position. In the figure, a hydraulic cylinder pull rod b is a driving piece. When the vertical plate 8 and the enclasping plate 14 are opened and unfolded, the maximum unfolded angle is beta-alpha, and the unfolded angle needs to meet the following conditions: beta-alpha<Gamma, i.e. ensuring that the three rotation axes A, B, C are not in a straight line, preventing dead points from occurring in movement, the stroke of the hydraulic cylinder pull rod 17 should be greater than l 2 -l 1 . The hinge B, C is shown as being positioned (x 1 ,y 1 )、(x 2 ,y 2 ). In the figure, D is the maximum limiting distance that the pipe 12 can pass when opened, and the distance needs to be greater than the diameter of the pipe 12 to ensure the normal clamping of the pipe 12.
In this embodiment, fourteen positioning holes may be provided on the riser 8, and a threaded hole is provided on a side surface of the cylinder fixing plate 5, for positioning connection between the riser 8 and the cylinder fixing plate 5. Eight bolt holes are formed in each vertical plate 8 and are used for positioning and mounting the clamping blocks 4 and the transverse jacking bolts 7 of the locking clamping bars 22. Six positioning and mounting holes are formed in each vertical plate 8 and used for positioning and mounting the protective tube blocks 11 and the vertical plates 8. Two positioning and mounting holes are formed in each vertical plate 8 and are used for mounting the enclasping plate 14 and the vertical plates 8. Four threaded holes are respectively formed in two sides of each oil cylinder fixing plate 5 and are used for fixedly connecting with the vertical plates 8, and eight U-shaped holes are formed and are used for connecting the clamping blocks 4 with the oil cylinder fixing plates 5. Eight threaded holes are respectively formed in two sides of the clamping block 4 and are used for being in positioning connection with the clamping block support 6 and the oil cylinder fixing plate 5, wherein four threaded holes are formed in the side face of one clamping block 4 and are used for transversely tightly pushing the screw 7 and tightly pushing and connecting the locking clamping strip 22. The upper and lower sides of the clamping block 4 are respectively provided with two threaded holes for adjusting the fixed connection of the base plate 3. Threaded holes are uniformly distributed on the upper side and the lower side of the inner ring 21 of the sliding block and are used for fixedly connecting with the main shaft connecting flange 23.
As shown in fig. 5 and 6, when the invention performs an underwater experiment on the main shaft 1 of the friction stitch welding machine, the performance of the main shaft 1 of the friction stitch welding machine can be tested by utilizing the water tank 26, the pressure cabin 27 and the invention:
the oil cylinder fixing plate 5 and the clamping block 4 are assembled by bolts, the oil cylinder fixing plate 5 and the vertical plate 8 are locked by bolts, the clamping strip 22 is tightly pressed by the transverse pressing bolt 7, and the slider inner ring 21 and the clamping block 4 are installed. The adjusting base plate 3 is mounted on the upper side and the lower side of the clamping block 4 through bolts, the inner ring 21 of the sliding block is tightly propped up through the longitudinal jacking bolts 2, and the z-direction rigidity is ensured. An opening and closing hydraulic cylinder 18 is arranged on the vertical plate 8, a hydraulic cylinder pull rod 17 is arranged on the enclasping plate 14, and the enclasping plate 14 is hinged with the vertical plate 8 through a connecting rotating shaft 29. The protective tube block 11 is mounted on the vertical plate 8 and the enclasping plate 14. And then the friction stitch welding machine main shaft 1 is installed and connected with the clamp of the invention through the main shaft connecting flange 23.
When the invention is equipped with the pipeline 12, the hydraulic cylinder opening and closing mechanism (the opening and closing hydraulic cylinder 18 and the hydraulic cylinder pull rod 17) is opened, then the pipeline 12 is put in, and then the hydraulic cylinder opening and closing mechanism is closed, and the other ends of the vertical plate 8 and the holding plate 14 are locked through the locking bolt 13. The clamp is smoothly suspended into the water tank 26 by using an external suspending tool such as a crane and the like at the position of the suspending lug 25. The bottom of the water tank 26 is provided with four casters 28 uniformly distributed along four corners, so that the water tank 26 can conveniently move, the casters 28 can bear the weight of the water tank 26 and a clamp, and the casters 28 have a self-locking function. The water tank 26 and the invention are put into a pressure cabin by a forklift, and the casters of the water tank 26 are self-locked. Water is injected into the water tank 26, the water level is submerged in the friction stitch welding machine spindle 1, and the pressure cabin 27 is pressurized to simulate an underwater environment for spindle test.
As described above, the present invention is also applicable to testing the performance of the main shaft 1 of the friction stitch welding machine with respect to the pipe 12 fixed and erected on site, and the installation and clamping process is the same as the test and clamping process in the pressure chamber 27. The above embodiments are not intended to limit the present invention in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a portable friction stitch welding machine main shaft test fixture under water, comprises the anchor clamps body, its characterized in that, the anchor clamps body includes two riser (8) of parallel arrangement, is provided with two hydro-cylinder fixed plates (5) perpendicularly between two riser (8) upper portions, is provided with two clamp splice (4) between two hydro-cylinder fixed plates (5), both sides all are provided with adjustment base plate (3) about two clamp splice (4), are provided with slider inner circle (21) between two clamp splice (4), be provided with locking gib (22) between slider inner circle (21) and clamp splice (4), slider inner circle (21) inside is provided with friction stitch welding machine main shaft (1), friction stitch welding machine main shaft (1) upper and lower both ends pass adjustment base plate (3) respectively;
the front end face and the rear end face of each clamping block (4) are respectively provided with two clamping block supports (6), and the two clamping block supports (6) are clamped at the upper end and the lower end of the oil cylinder fixing plate (5); the lateral surface of each clamping block (4) is provided with a transverse jacking bolt (7), the clamping blocks (4) are jacked through bolt holes formed in the vertical plates (8), and the transverse jacking bolts (7) penetrate through the clamping blocks (4) to jack the locking clamping strips (22);
the bottom of each vertical plate (8) is connected with a holding plate (14), arc grooves are formed in the bottoms of the vertical plates (8) and the tops of the holding plates (14), one end of each holding plate (14) is hinged to the corresponding vertical plate (8) through a connecting rotating shaft (29), the other end of each holding plate is locked with the corresponding vertical plate (8) through a locking bolt (13) and a nut, and the holding plates (14) and the corresponding vertical plates (8) are opened and closed relatively to hold the pipeline (12); the outer sides of the vertical plate (8) and the enclasping plate (14) are respectively provided with a fixed lug (15), an opening and closing hydraulic cylinder (18) and a hydraulic cylinder pull rod (17) are arranged between the two fixed lugs (15), and the hydraulic cylinder pull rod (17) and the opening and closing hydraulic cylinder (18) perform rotation and push-pull bidirectional movement so as to realize automatic clamping and opening of the enclasping plate (14), the vertical plate (8) and the pipeline (12);
the fixing lugs (15) are provided with positioning mounting holes, one end of the opening and closing hydraulic cylinder (18) is connected with the fixing lugs (15) on the vertical plate (8) through locking screws (19) and nuts, the other end of the opening and closing hydraulic cylinder is connected with the hydraulic cylinder pull rod (17), and the other end of the hydraulic cylinder pull rod (17) is connected with the fixing lugs (15) on the holding plate (14) through a rotating shaft (16) and nuts; an oil inlet (24) and an oil outlet (20) are arranged on the opening and closing hydraulic cylinder (18).
2. The portable underwater friction stitch welding machine main shaft test fixture according to claim 1, wherein the vertical plate (8) and the oil cylinder fixing plate (5) are locked through bolts, positioning holes are formed in the vertical plate (8), threaded holes are formed in the side face of the oil cylinder fixing plate (5), and the number of the positioning holes in the vertical plate (8) is larger than that of the threaded holes in the oil cylinder fixing plate (5); the baffle (9) is welded on the inner side of the vertical plate (8), and the baffle (9) is positioned on the outer side of the oil cylinder fixing plate (5).
3. The portable underwater friction stitch welding machine spindle test fixture as claimed in claim 1, wherein the clamping block (4) and the oil cylinder fixing plate (5) are locked through bolts, the oil cylinder fixing plate (5) is provided with positioning holes, the positioning holes are U-shaped holes, and the clamping block (4) is provided with threaded holes.
4. The portable underwater friction stitch welding machine spindle test fixture according to claim 1, wherein bolt holes are formed in the upper surface and the lower surface of the inner slider ring (21), the inner slider ring (21) is connected with the adjusting substrate (3) through a longitudinal jacking bolt (2), the friction stitch welding machine spindle (1) is locked and mounted through a bolt and a spindle connecting flange (23), and a welding stopper (10) arranged at the bottom of the friction stitch welding machine spindle (1) penetrates through the adjusting substrate (3).
5. The portable underwater friction stitch welding machine spindle test fixture as claimed in claim 1, wherein the side surface of the vertical plate (8) is welded with a lifting lug (25), and the arc-shaped groove on the vertical plate (8) and the arc-shaped groove on the holding plate (14) are both internally provided with a protective pipe block (11) for clamping the pipeline (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636152.4A CN107356421B (en) | 2017-07-31 | 2017-07-31 | Portable main shaft test fixture of underwater friction stitch welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710636152.4A CN107356421B (en) | 2017-07-31 | 2017-07-31 | Portable main shaft test fixture of underwater friction stitch welding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107356421A CN107356421A (en) | 2017-11-17 |
| CN107356421B true CN107356421B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710636152.4A Active CN107356421B (en) | 2017-07-31 | 2017-07-31 | Portable main shaft test fixture of underwater friction stitch welding machine |
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| CN (1) | CN107356421B (en) |
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