CN115096712A - Pipe ring rigidity detector for material mechanics - Google Patents
Pipe ring rigidity detector for material mechanics Download PDFInfo
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- CN115096712A CN115096712A CN202210697536.8A CN202210697536A CN115096712A CN 115096712 A CN115096712 A CN 115096712A CN 202210697536 A CN202210697536 A CN 202210697536A CN 115096712 A CN115096712 A CN 115096712A
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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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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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
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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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0274—Tubular or ring-shaped specimens
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of material mechanics detection, and discloses a pipe ring stiffness detector for material mechanics, which comprises a base and a plurality of pressure sensors, wherein a support frame is fixedly connected to the center of the base, a plurality of distance meters are fixedly connected to the support frame, a plurality of arc blocks are arranged at the upper end of the base, the arc blocks jointly form a spliced detection ring, the pressure sensors are uniformly arranged in the detection ring, the side walls of the arc blocks are connected with a pressurizing mechanism, the pressurizing mechanism is arranged on the arc blocks of the detection ring and used for applying different pressures to pipes from multiple directions to measure the ring stiffness of the pipes, and one side of each arc block is connected with two coupling units symmetrically. The pipe ring stiffness detector for material mechanics can simulate multi-directional external pressure load faced after a pipeline is buried, test the ring stiffness of a pipe under the combined action of pipe and soil, and meanwhile, the detector can be freely combined to test the compressive strength of the pipe material.
Description
Technical Field
The invention relates to the technical field of material mechanics detection, in particular to a pipe ring stiffness detector for material mechanics.
Background
The pipes laid underground are mainly classified into two types, one is a pressure pipeline with pressure inside, such as a water pipeline or a gas pipeline, the other is a non-pressure pipeline without pressure (or with very low pressure) inside, such as a sewage pipeline or a rainwater pipeline, the pressure pipeline bears the load of internal pressure and external pressure, the stress generated by the internal pressure is a main factor causing the pipes to be damaged, and the damage is in the form of excessive deformation and breakage caused by tensile stress in the pipe wall (the plastic pipes are usually caused by creep deformation). During design, design calculation is generally carried out according to the bearing internal pressure load, materials and structural data (such as wall thickness) are selected, then external pressure load is considered for design checking calculation, the structural data are modified when necessary, the non-pressure pipeline bears the external pressure load (the internal pressure load is ignored generally), and the damage mode is that the external pressure load causes overlarge deformation or buckling instability of the pipe. During design, design calculation is carried out according to external pressure load, and materials and structural data are selected;
as a common non-pressure pipeline, the plastic buried drain pipe is embedded with complicated external pressure load, mainly comprises static load generated by soil weight and ground and dynamic load generated by passing of a transport vehicle, and the mechanism of bearing the load by the plastic buried drain pipe is also complicated, because the plastic pipe belongs to a flexible pipe, the pipe and the surrounding soil (backfill material) generate the joint action of pipe and soil under the external pressure load, and bear the external pressure load together.
At present, the existing pipe ring stiffness detector directly applies pressure to a pipe by using a pressure head to perform ring stiffness detection, so that the contact position of the pipe and the pressure head is very easy to deform, the measured data error is large, the actually measured data is only the compressive strength of the pipe material, in addition, the direction of applying pressure to the pipe by the existing detector is single, the multi-directional external pressure load facing the buried pipe cannot be simulated, and then the ring stiffness of the pipe cannot be tested under the combined action of pipe and soil.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a pipe ring stiffness detector for material mechanics, which has the advantages of simulating multidirectional external pressure load after a pipeline is buried, testing the ring stiffness of the pipe under the combined action of pipe and soil, simultaneously testing the compressive strength of the pipe material by a freely combined detector and the like, and solves the problems that the contact position of the pipe and a pressure head is extremely easy to deform, so that the measured data error is large, in addition, the direction of applying pressure to the pipe by the existing detector is single, the multidirectional external pressure load after the pipeline is buried cannot be simulated, and further the ring stiffness of the pipe cannot be tested under the combined action of the pipe and soil.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a pipe ring rigidity detector for material mechanics comprises a base and a plurality of pressure sensors, wherein a support frame is fixedly connected to the center of the base, a plurality of distance meters are fixedly connected to the support frame, a plurality of arc-shaped blocks are arranged at the upper end of the base, the arc-shaped blocks jointly form a spliced detection ring, the pressure sensors are uniformly arranged in the detection ring, and the side walls of the arc-shaped blocks are connected with a pressurizing mechanism;
the pressurizing mechanism is arranged on the arc-shaped block of the detection ring and used for applying different pressures to the pipe from multiple directions to measure the ring stiffness of the pipe;
one side of the arc-shaped block is connected with two coupling units symmetrically, each coupling unit is composed of two coupling mechanisms, one of the coupling mechanisms is fixed on the side wall of the arc-shaped block, the other coupling unit is fixed on the base, and the two coupling mechanisms are matched and clamped to enable the arc-shaped block to be movably mounted on the base for quick disassembly and assembly and splicing of the detection ring.
Preferably, the pressurizing mechanism comprises a sleeve, one side of the sleeve is fixedly connected with a shell, the other side of the sleeve is fixedly connected with a conduit, one end of the conduit is fixedly connected with one side of the arc-shaped block, one end of the arc-shaped block, which is far away from the conduit, is provided with a groove, the groove is communicated with the conduit, and an elastic diaphragm is fixedly connected at the notch of the groove;
the telescopic both ends are seal structure, and cup jointed two pistons in the sleeve, two the equal fixedly connected with transmission shaft of one end that the piston was carried on the back mutually, telescopic both ends all cup joint, two through the axle sleeve with the axle wall of transmission shaft the equal fixed connection of one end that the transmission shaft was carried on the back mutually and connecting rod, be connected with drive mechanism in the casing, drive mechanism links to each other with two epaxial connecting rods of transmission.
Preferably, the transmission mechanism comprises a main shaft, two worms are fixedly connected to the shaft wall of the main shaft, both ends of the main shaft are rotatably connected in the shell through rolling bearings, two transverse shafts are rotatably connected in the shell through ball bearings, worm gears are fixedly connected on the shaft walls of the two transverse shafts, the worm wheel is meshed with the worm, one end of the transverse shaft penetrates through the ball bearing and is fixedly connected with a first bevel gear, the connecting rods on the two transmission shafts are fixedly connected with two internal threaded pipes, wherein a bidirectional screw rod is in common threaded connection between two internal threaded pipes which are positioned on the same axis, a second bevel gear is fixedly connected on the rod wall of the bidirectional screw rod, the first bevel gear is meshed with the second bevel gear, the upper end of the shell is fixedly connected with a speed reducing motor, and the output end of the speed reducing motor is fixedly connected with one end of the main shaft.
Preferably, the upper end and the lower end of the sleeve are fixedly connected with guide strips, an arc-shaped groove is formed in one end, away from the sleeve, of each guide strip, the arc-shaped groove is matched with the pipe wall of the inner threaded pipe, a guide sleeve is sleeved on the pipe wall of the inner threaded pipe and fixed in the arc-shaped groove, the side wall of each guide strip is rotatably connected with the rod wall of the bidirectional screw rod through two bearing seats, and a notch matched with the first bevel gear is formed in one side of each guide strip.
Preferably, two bracing pieces of one side fixedly connected with of elastic diaphragm, two a plurality of evenly distributed's arc strip of fixedly connected with on the pole wall of bracing piece, pressure sensor fixes on the pole wall of bracing piece, a plurality of evenly distributed's of the upper end fixedly connected with locating plate of base, it is a plurality of the draw-in groove has all been seted up to the upper end of locating plate, the draw-in groove cooperatees with the pipe wall of pipe.
Preferably, the coupling mechanism comprises a shell, one end of the shell is provided with an inserting part, two inclined planes are symmetrically arranged on the inserting part, an inserting hole is formed in one end of the shell, which is positioned below the inserting part, one side of the inserting part is fixedly connected with an arc-shaped plate through a mounting groove, a strip-shaped through hole is formed in the side wall of the arc-shaped plate, a clamping block of a semi-cylindrical structure is sleeved on one side of the arc-shaped plate, a braking rod is sleeved on the side wall of the shell through a rectangular through hole, and one end of the braking rod penetrates through the strip-shaped hole and is fixedly connected with one side of the clamping block;
the brake rod comprises a shell, a brake rod and a plurality of bolts, wherein the shell is fixedly connected with the brake rod, the brake rod is fixedly connected with a rod wall of the brake rod through the bolts, the brake rod is fixedly connected with a limiting pin, the limiting pin is in contact with the side wall of the arc-shaped plate, a tension spring is fixedly connected in the shell, one end of the tension spring is fixedly connected with the rod wall of the brake rod, and one side of the shell is fixedly connected with a cover plate through the bolts.
(III) advantageous effects
Compared with the prior art, the invention provides a pipe ring stiffness detector for material mechanics, which has the following beneficial effects:
1. compared with the prior art, when the pipe joint test device is used, a pipe to be tested is placed in the test ring, the pressurizing mechanisms on the arc-shaped blocks are started to work to jointly extrude the pipe, so that different pressures are applied to the pipe from multiple directions, external pressure loads in multiple directions can be controlled independently, multi-directional external pressure loads facing the buried pipe are simulated, the ring stiffness of the pipe is tested under the joint action of pipe and soil, the arc-shaped blocks of the test ring are movably mounted on the base through the coupling units independently, and therefore when the two arc-shaped blocks are dismounted symmetrically, the pressurizing mechanisms on the arc-shaped blocks can detect the ring stiffness of the pipe material.
2. Compared with the prior art, the pressurizing mechanism is arranged, when the pressurizing mechanism is used, the piston is driven by the transmission mechanism to extrude hydraulic oil in the sleeve to move into the groove from the guide pipe, the elastic diaphragm is extruded to deform when the hydraulic oil in the groove is increased, the elastic diaphragm deforms to push the supporting rod and the arc-shaped strip to extrude the pipe, the contact position of the pipe and the detector is not prone to deformation during measurement, the pressure in multiple directions can be randomly changed at any time, the multidirectional external pressure load facing the buried pipeline is simulated, the ring stiffness of the pipe is tested under the combined action of pipe and soil, and in addition, when two symmetrical pressurizing mechanisms are used, the compressive strength of the pipe can be measured.
3. Compared with the prior art, the coupling mechanism is arranged, when the pressurizing mechanism is arranged on the base, the coupling mechanism arranged on the arc-shaped blocks is combined with the coupling mechanism arranged on the shell, at the moment, the shells of the two coupling mechanisms are matched and spliced with the splicing hole by utilizing the splicing parts to form the coupling unit, after the two coupling mechanisms are completely inserted, the clamping blocks are driven to reset under the action of the tension spring, and after the two coupling mechanisms are reset, the clamping blocks of the two coupling mechanisms jointly form a cylinder which is mutually meshed with a cylinder formed by the two arc-shaped plates, so that the automatic clamping coupling of the two shells is realized, and the arc-shaped blocks are quickly disassembled and assembled.
Drawings
FIG. 1 is a schematic structural view of a pipe ring stiffness detector for use in materials mechanics according to the present invention;
FIG. 2 is a schematic structural diagram of a pressing mechanism in the pipe ring stiffness detector for materials mechanics according to the present invention;
FIG. 3 is a sectional view of FIG. 2 in the apparatus for detecting rigidity of a pipe ring in materials mechanics according to the present invention;
FIG. 4 is a schematic structural diagram of an elastic diaphragm, an arc block and an arc strip in the pipe ring stiffness detector for materials mechanics according to the present invention;
FIG. 5 is a schematic view of an internal structure of a sleeve in the pipe ring stiffness detector for materials mechanics according to the present invention;
FIG. 6 is a schematic structural diagram of a coupling unit, a support frame and a distance meter on a base in the pipe ring stiffness detector for materials mechanics according to the present invention;
FIG. 7 is a schematic structural diagram of a coupling unit in the pipe ring stiffness detector for materials mechanics according to the present invention;
FIG. 8 is a schematic structural diagram of a coupling mechanism in the pipe ring stiffness detector for materials mechanics according to the present invention;
FIG. 9 is a first schematic structural diagram illustrating the coupling units in the pipe ring stiffness detector for materials mechanics according to the present invention when connected;
FIG. 10 is a second schematic structural diagram illustrating the connection of the coupling units in the pipe ring stiffness detector for materials mechanics according to the present invention;
fig. 11 is a third schematic structural diagram of the coupling unit in the pipe ring stiffness detector for material mechanics according to the present invention when connected.
In the figure: 1. a housing; 2. a sleeve; 3. an internally threaded tube; 4. an arc-shaped block; 5. a housing; 6. an arc-shaped strip; 7. a pressure sensor; 8. an elastic diaphragm; 9. a drive shaft; 10. a reduction motor; 11. a base; 12. a guide sleeve; 13. a bidirectional screw rod; 14. a conduit; 15. a guide strip; 16. a first bevel gear; 17. a second bevel gear; 18. a worm gear; 19. a worm; 20. a main shaft; 21. a horizontal axis; 22. a support bar; 23. a groove; 24. a card slot; 25. positioning a plate; 26. a clamping block; 27. a plug-in part; 28. a cover plate; 29. a brake lever; 30. a tension spring; 31. a spacing pin; 32. an arc-shaped plate; 33. a range finder; 34. a support frame; 35. a piston.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to the attached drawings 1-11, a pipe ring stiffness detector for material mechanics comprises a base 11 and a plurality of pressure sensors 7, wherein a support frame 34 is fixedly connected at the center of the base 11, a plurality of distance meters 33 are fixedly connected to the upper portion of the support frame 34, the distance meters 33 adopt infrared distance meters, the distance meters 33 and the pressure sensors 7 are connected with corresponding external receiving instruments through signal cables to read and record corresponding data changes, the technology is widely used in life, and is known by technicians in the field, so that redundant description is not needed, a plurality of arc-shaped blocks 4 are arranged at the upper end of the base 11, the arc-shaped blocks 4 jointly form a spliced detection ring, the pressure sensors 7 are uniformly arranged in the detection ring, a pressurizing mechanism is connected to the side wall of the arc-shaped block 4, and the pressurizing mechanism is installed on the arc-shaped blocks 4 of the detection ring, the ring stiffness is used for applying different pressure to the pipe from multiple directions to measure the pipe, one side of the arc-shaped block 4 is connected with two coupling units symmetrically, the coupling units are composed of two coupling mechanisms, one of the coupling mechanisms is fixed on the side wall of the arc-shaped block 4, the other coupling unit is fixed on the base 11, and the arc-shaped block 4 is movably arranged on the base 11 when the two coupling mechanisms are matched and clamped for quickly disassembling and assembling the splicing detection ring.
When the pipe joint test device is used, a pipe to be tested is placed in the test ring, the pressurizing mechanisms on the arc-shaped blocks 4 are started to work to jointly extrude the pipe, so that different pressures are applied to the pipe from multiple directions, external pressure loads in the multiple directions can be controlled independently, multi-directional external pressure loads facing the buried pipe are simulated, the ring stiffness of the pipe is tested under the joint action of pipe and soil, the arc-shaped blocks 4 forming the test ring are movably arranged on the base 11 independently through the coupling units, and therefore when the two arc-shaped blocks 4 are dismounted symmetrically, the pressurizing mechanisms on the arc-shaped blocks 4 can be used for testing the ring stiffness of the pipe material.
Example 2: the difference is based on example 1;
referring to the attached drawings 2-6, the pressurizing mechanism comprises a sleeve 2, one side of the sleeve 2 is fixedly connected with a shell 1, the other side of the sleeve 2 is fixedly connected with a guide pipe 14, one end of the guide pipe 14 is fixedly connected with one side of an arc block 4, one end of the arc block 4, which is far away from the guide pipe 14, is provided with a groove 23, the groove 23 is communicated with the guide pipe 14, a notch of the groove 23 is fixedly connected with an elastic diaphragm 8, the elastic diaphragm 8 blocks the notch of the groove 23 to form a pressure chamber, at the moment, the pressure chamber and the sleeve 2 form a passage through the guide pipe 14, when the sleeve 2, the guide pipe 14 and the groove 23 are filled with hydraulic oil, the hydraulic oil in the sleeve 2 is transferred into the pressure chamber through the guide pipe 14 under the action of a piston 35, at the moment, the elastic diaphragm 8 deforms and expands to sequentially pressurize the tube, one side of the elastic diaphragm 8 is fixedly connected with two support rods 22, the rod walls of the two support rods 22 are fixedly connected with a plurality of arc strips 6 which are uniformly distributed, the pressure sensor 7 is fixed on the rod wall of the support rod 22, the upper end of the base 11 is fixedly connected with a plurality of uniformly distributed positioning plates 25, the upper ends of the plurality of positioning plates 25 are respectively provided with a clamping groove 24, the clamping grooves 24 are matched with the tube wall of the guide tube 14, the two ends of the sleeve 2 are respectively provided with a sealing structure, two pistons 35 are sleeved in the sleeve 2, one ends of the two pistons 35, which are opposite to each other, are respectively and fixedly connected with a transmission shaft 9, the two ends of the sleeve 2 are respectively sleeved with the shaft wall of the transmission shaft 9 through a shaft sleeve, one ends of the two transmission shafts 9, which are opposite to each other, are respectively and fixedly connected with a connecting rod, a transmission mechanism is connected in the shell 1, and the transmission mechanism is connected with the connecting rods on the two transmission shafts 9;
the transmission mechanism comprises a main shaft 20, two worms 19 are fixedly connected to the shaft wall of the main shaft 20, two ends of the main shaft 20 are rotatably connected to the inside of the shell 1 through rolling bearings, two transverse shafts 21 are rotatably connected to the inside of the shell 1 through ball bearings, worm wheels 18 are fixedly connected to the shaft walls of the two transverse shafts 21, the worm wheels 18 are meshed with the worms 19, one end of each transverse shaft 21 penetrates through the ball bearings and is fixedly connected with a first bevel gear 16, two internal thread pipes 3 are fixedly connected to connecting rods on the two transmission shafts 9, a bidirectional screw 13 is commonly and threadedly connected between the two internal thread pipes 3 on the same axis, a second bevel gear 17 is fixedly connected to the rod wall of the bidirectional screw 13, the first bevel gear 16 is meshed with the second bevel gear 17, a reduction motor 10 is fixedly connected to the upper end of the shell 1, and the output end of the reduction motor 10 is fixedly connected with one end of the main shaft 20, the equal fixedly connected with gib block 15 in upper and lower both ends of sleeve 2, the arc wall has all been seted up to the one end that sleeve 2 was kept away from to two gib blocks 15, the arc wall cooperatees with internal thread pipe 3's pipe wall, cup jointed uide bushing 12 on internal thread pipe 3's the pipe wall, uide bushing 12 is fixed in the arc wall, the lateral wall of gib block 15 rotates through the pole wall of two-way lead screw 13 to be connected, the breach that matches with first bevel gear 16 is seted up to one side of gib block 15.
When the device is used, the speed reducing motor 10 is started to drive the main shaft 20 to rotate the worm 19, the worm 19 rotates to drive the worm wheel 18 to rotate the transverse shaft 21, the transverse shaft 21 rotates to drive the first bevel gear 16 to rotate the second bevel gear 17, the second bevel gear 17 rotates to drive the two-way screw 13 to relatively move the two internal threaded pipes 3, the internal threaded pipes 3 move to drive the connecting rod to drive the transmission shaft 9 to move, the transmission shaft 9 moves to push the piston 35 to relatively move in the sleeve 2, so that hydraulic oil in the sleeve 2 can be extruded to move from the guide pipe 14 to the groove 23, the elastic diaphragm 8 is extruded to deform when the hydraulic oil in the groove 23 increases, the elastic diaphragm 8 deforms to push the support rod 22 and the arc-shaped strip 6 to extrude the pipes, the pressure sensor 7 arranged on the support rod 22 is used for measuring the pressure, and the distance meter 33 is matched for measuring deformation data of the pipes under different pressures, and then the contact position of tubular product and detector is non-deformable when measuring, and the pressure size of the multi-direction of change that can be at any time at will, and the multi-direction external pressure load that faces after the simulation pipeline is buried underground carries out the ring rigidity of test tubular product under the pipe-soil combined action, when using two symmetrical loading mechanisms in addition, can measure the compressive strength of tubular product material.
Example 3: the difference is based on example 1;
referring to fig. 7-11, the coupling mechanism includes a housing 5, one end of the housing 5 is provided with an inserting portion 27, the inserting portion 27 is symmetrically provided with two inclined planes, one end of the housing 5 is located below the inserting portion 27 and is provided with an inserting hole, one side of the inserting portion 27 is fixedly connected with an arc-shaped plate 32 through a mounting groove, a side wall of the arc-shaped plate 32 is provided with a strip-shaped through hole, one side of the arc-shaped plate 32 is sleeved with a semi-cylindrical fixture block 26, a side wall of the housing 5 is sleeved with a brake lever 29 through a rectangular through hole, one end of the brake lever 29 penetrates through the strip-shaped hole and is fixedly connected with one side of the fixture block 26, a limit pin 31 is fixedly connected to a lever wall of the brake lever 29, the limit pin 31 contacts with a side wall of the arc-shaped plate 32, the limit pin 31 can cooperate with the brake lever 29 to clamp the fixture block 26 on the arc-shaped plate 32 to limit the position of the fixture block 26 in the arc-shaped plate 32, a tension spring 30 is fixedly connected to the housing 5, one end of the tension spring 30 is fixedly connected to a lever wall of the brake lever 29, and one side of the housing 5 is fixedly connected to the cover plate 28 by a plurality of bolts.
The invention is provided with a coupling mechanism, when the pressurizing mechanism is arranged on the base 11, the coupling mechanism arranged on the arc block 4 is combined with the coupling mechanism arranged on the shell, at the same time, the shells 5 of the two coupling mechanisms are matched and spliced with the splicing holes by utilizing the splicing parts 27 to form a coupling unit (as shown in figure 7), and when the plane of the fixture block 26 with the semi-cylindrical structure is inserted (as shown in figure 9), the fixture block 26 is extruded by the inclined surface to slide to the position parallel to the arc plate 32 (as shown in figure 10) when the plane of the fixture block 26 is contacted with the inclined surface on the splicing parts 27, at the same time, the splicing parts 27 on the two shells 5 are smoothly matched and spliced with the splicing holes, after the complete insertion, under the action of the tension spring 30, the brake rod 29 is forced to drive the fixture block 26 to reversely slide and reset, after the reset, the angle between the bottom plane of the fixture block 26 and the arc plate 32 is changed (as shown in figure 11), consequently, realize the automatic joint coupling to two shells 5, make arc piece 4 install fast on base 11, in addition, pipe 14 joint on the arc piece 4 is in draw-in groove 24, and locating plate 25 supports arc piece 4 and restricts its position on base 11, improves the steadiness of installation back arc piece 4.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a tubular product ring rigidity detector for mechanics of materials, includes base (11) and a plurality of pressure sensor (7), fixedly connected with support frame (34) are located to the center of base (11), and a plurality of distancers (33) of last fixedly connected with of support frame (34), its characterized in that: the upper end of the base (11) is provided with a plurality of arc-shaped blocks (4), the arc-shaped blocks (4) jointly form a spliced detection ring, the pressure sensors (7) are uniformly arranged in the detection ring, and the side wall of each arc-shaped block (4) is connected with a pressurizing mechanism;
the pressurizing mechanism is arranged on the arc-shaped block (4) of the detection ring and used for applying different pressures to the pipe from multiple directions and simulating external pressure load in multiple directions to measure the ring stiffness of the pipe;
one side of arc piece (4) is connected the symmetric connection and is had two coupling units, and the coupling unit comprises two coupling mechanisms, one of them coupling mechanism fixes on the lateral wall of arc piece (4), another coupling unit fixes on base (11), makes arc piece (4) movable mounting on base (11) when two coupling mechanisms cooperate the joint for quick assembly disassembly concatenation detection ring.
2. The apparatus according to claim 1, wherein the apparatus comprises: the pressurizing mechanism comprises a sleeve (2), one side of the sleeve (2) is fixedly connected with a shell (1), the other side of the sleeve (2) is fixedly connected with a guide pipe (14), one end of the guide pipe (14) is fixedly connected with one side of an arc-shaped block (4), one end, far away from the guide pipe (14), of the arc-shaped block (4) is provided with a groove (23), the groove (23) is communicated with the guide pipe (14), an elastic diaphragm (8) is fixedly connected to a notch of the groove (23), and the sleeve (2), the guide pipe (14) and the groove (23) are filled with hydraulic oil;
the both ends of sleeve (2) are seal structure, and have cup jointed two pistons (35), two in sleeve (2) the equal fixedly connected with transmission shaft (9) of one end that piston (35) carried on the back mutually, the both ends of sleeve (2) all cup joint through the axle wall of axle sleeve with transmission shaft (9), two the equal fixed connection of one end and the connecting rod that transmission shaft (9) carried on the back mutually, casing (1) in-connection has drive mechanism, drive mechanism links to each other with the connecting rod on two transmission shafts (9).
3. The apparatus according to claim 2, wherein the apparatus comprises: the transmission mechanism comprises a main shaft (20), two worms (19) are fixedly connected to the shaft wall of the main shaft (20), two ends of the main shaft (20) are rotatably connected into the shell (1) through rolling bearings, two transverse shafts (21) are rotatably connected into the shell (1) through ball bearings, worm wheels (18) are fixedly connected to the shaft walls of the two transverse shafts (21), the worm wheels (18) are meshed with the worms (19), one end of each transverse shaft (21) penetrates through the ball bearings and is fixedly connected with a first bevel gear (16), two internal thread pipes (3) are fixedly connected to connecting rods on the two transmission shafts (9), a bidirectional screw rod (13) is connected between the two internal thread pipes (3) on the same axis in a common threaded manner, and a second bevel gear (17) is fixedly connected to the rod wall of the bidirectional screw rod (13), the first bevel gear (16) is meshed with the second bevel gear (17), the upper end of the shell (1) is fixedly connected with a speed reducing motor (10), and the output end of the speed reducing motor (10) is fixedly connected with one end of a spindle (20).
4. The apparatus according to claim 3, wherein the apparatus comprises: the equal fixedly connected with gib block (15) in upper and lower both ends of sleeve (2), two the arc wall has all been seted up to the one end that sleeve (2) were kept away from in gib block (15), the arc wall cooperatees with the pipe wall of internal thread pipe (3), uide bushing (12) have been cup jointed on the pipe wall of internal thread pipe (3), uide bushing (12) are fixed in the arc wall, the lateral wall of gib block (15) is rotated through the pole wall of two-way lead screw (13) through two bearing frames and is connected, the breach that matches with first bevel gear (16) is seted up to one side of gib block (15).
5. The apparatus according to claim 2, wherein the apparatus comprises: two bracing pieces (22) of one side fixedly connected with of elasticity diaphragm (8), two arc strip (6) of a plurality of evenly distributed of fixedly connected with on the pole wall of bracing piece (22), pressure sensor (7) are fixed on the pole wall of bracing piece (22), a plurality of evenly distributed's of upper end fixedly connected with locating plate (25) of base (11), it is a plurality of draw-in groove (24) have all been seted up to the upper end of locating plate (25), draw-in groove (24) cooperate with the pipe wall of pipe (14).
6. The apparatus according to claim 1, wherein the apparatus comprises: the coupling mechanism comprises a shell (5), wherein one end of the shell (5) is provided with an inserting part (27), two inclined planes are symmetrically arranged on the inserting part (27), one end of the shell (5) is positioned below the inserting part (27) and provided with an inserting hole, one side of the inserting part (27) is fixedly connected with an arc-shaped plate (32) through a mounting groove, the side wall of the arc-shaped plate (32) is provided with a strip-shaped through hole, one side of the arc-shaped plate (32) is sleeved with a clamping block (26) with a semi-cylindrical structure, the side wall of the shell (5) is sleeved with a braking rod (29) through a rectangular through hole, and one end of the braking rod (29) penetrates through the strip-shaped hole and is fixedly connected with one side of the clamping block (26);
the brake device is characterized in that a limit pin (31) is fixedly connected to the rod wall of the brake rod (29), the limit pin (31) is in contact with the side wall of the arc-shaped plate (32), a tension spring (30) is fixedly connected to the inside of the shell (5), one end of the tension spring (30) is fixedly connected with the rod wall of the brake rod (29), and a cover plate (28) is fixedly connected to one side of the shell (5) through a plurality of bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210697536.8A CN115096712A (en) | 2022-06-20 | 2022-06-20 | Pipe ring rigidity detector for material mechanics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210697536.8A CN115096712A (en) | 2022-06-20 | 2022-06-20 | Pipe ring rigidity detector for material mechanics |
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| Publication Number | Publication Date |
|---|---|
| CN115096712A true CN115096712A (en) | 2022-09-23 |
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ID=83291120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210697536.8A Withdrawn CN115096712A (en) | 2022-06-20 | 2022-06-20 | Pipe ring rigidity detector for material mechanics |
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| Country | Link |
|---|---|
| CN (1) | CN115096712A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116593294A (en) * | 2023-07-18 | 2023-08-15 | 天津及时测控技术有限公司 | High-pressure-resistant detector for water pipe |
| CN118376513A (en) * | 2024-06-21 | 2024-07-23 | 深圳华夏恒泰电子有限公司 | Pressure-bearing strength detection equipment for fan |
-
2022
- 2022-06-20 CN CN202210697536.8A patent/CN115096712A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116593294A (en) * | 2023-07-18 | 2023-08-15 | 天津及时测控技术有限公司 | High-pressure-resistant detector for water pipe |
| CN116593294B (en) * | 2023-07-18 | 2023-10-10 | 天津中电天仪科技股份有限公司 | High-pressure-resistant detector for water pipe |
| CN118376513A (en) * | 2024-06-21 | 2024-07-23 | 深圳华夏恒泰电子有限公司 | Pressure-bearing strength detection equipment for fan |
| CN118376513B (en) * | 2024-06-21 | 2024-09-20 | 深圳华夏恒泰电子有限公司 | Pressure-bearing strength detection equipment for fan |
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Application publication date: 20220923 |
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