CN117091869B - Assembled anti-instability test loading device for I-beam - Google Patents
Assembled anti-instability test loading device for I-beam Download PDFInfo
- Publication number
- CN117091869B CN117091869B CN202311359762.6A CN202311359762A CN117091869B CN 117091869 B CN117091869 B CN 117091869B CN 202311359762 A CN202311359762 A CN 202311359762A CN 117091869 B CN117091869 B CN 117091869B
- Authority
- CN
- China
- Prior art keywords
- support
- shaped
- instability
- rod
- adjusting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000002265 prevention Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 230000003750 conditioning effect Effects 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 abstract description 26
- 239000000463 material Substances 0.000 abstract description 8
- 238000000429 assembly Methods 0.000 abstract description 7
- 230000000712 assembly Effects 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000368 destabilizing effect Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/007—Subject matter not provided for in other groups of this subclass by applying a load, e.g. for resistance or wear testing
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses an assembled anti-instability test loading device for an I-beam, which relates to the technical field of engineering test and comprises the following components: the test bed is internally provided with an I-beam stabilizing assembly, the I-beam is inserted into the I-Liang Wending assembly, a plurality of groups of anti-instability brackets and pre-adjusting support assemblies are symmetrically arranged on two sides of the I-beam, the plurality of groups of anti-instability brackets are arranged at the end heads on two sides of the I-Liang Wending assembly, and the pre-adjusting support assemblies are arranged between the two groups of anti-instability brackets. The I-beam stabilizing assembly is arranged to stabilize the I-beam, the pre-adjusting support assembly is used for laterally supporting the I-beam and enabling the I-beam to be in a vertical state, local materials are conveniently obtained to weld the anti-instability support, the anti-instability support and the pre-adjusting support assembly can prevent the I-beam from overturning or partially instable, the anti-instability support is welded by bolts, the assembly degree is high, the installation is convenient, and the anti-instability support can be reused.
Description
Technical Field
The invention relates to the technical field of engineering tests, in particular to an assembled anti-instability test loading device for an I-beam.
Background
The I-beam is used as one of the main beam forms, has the advantages of good economy, convenient manufacture and transportation, quick construction and the like, and the construction frequently needs to measure the bearing capacity and the deformation performance of the I-beam under the load action by sampling and checking part of the I-beam according to proportion, and meanwhile, the mechanical property experiment is required to be carried out when new materials and new processes are applied.
In the prior patent: CN 110361183B-an assembled anti-instability test loading device for a T-shaped beam and an experimental method thereof, wherein the loading device comprises a loading reaction frame which is fixedly connected with a lower cross beam; the lower cross beam is fixed on the ground anchor system; the anti-instability support comprises a diagonal rod and a vertical rod, the vertical rods of the anti-instability support are arranged oppositely, and the anti-instability support is connected with a long hole of the lower cross beam in an assembling way; the clamping mechanism is arranged on the vertical rod; the clamping mechanism is contacted with the web plate of the T-shaped beam test piece; the test device also comprises a pressing mechanism, wherein the pressing mechanism applies test pressure to the T-shaped beam test piece.
In the invention, because the span of the I-beam is larger in the loading test of the I-beam and is in an elongated structure, deflection or instability is often generated near the loading position in the test, and the T-beam test piece is easy to topple and easy to deviate in verticality when the anti-instability bracket is spliced. Therefore, we provide an assembled anti-instability test loading device for an i-beam which solves the above problems.
Disclosure of Invention
The invention aims to provide an assembled anti-instability test loading device for an I-beam, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: comprising the following steps: the test bed is provided with a plurality of groups of first support columns on the test bed surface, a beam support is fixedly connected with the first support columns, a hydraulic push rod is installed at the bottom of the beam support, the output end of the hydraulic push rod is fixedly connected with a pressurizing plate, an I-beam stabilizing assembly is installed in the test bed, the I-beam is inserted into the I-Liang Wending assembly, a plurality of groups of anti-instability supports and pre-adjusting support assemblies are symmetrically arranged on two sides of the I-beam, the groups of anti-instability supports are arranged at the end heads of two sides of the I-Liang Wending assembly, and the pre-adjusting support assemblies are located between the two groups of anti-instability supports.
Preferably, the destabilizing prevention bracket includes: the mounting base is mounted on the table top of the test bed, one end of the diagonal brace is welded with the mounting base, the other end of the diagonal brace is connected with the limit rod piece through a bolt, one end of the support rod piece is welded with the first support column, the other end of the support rod piece is connected with the limit rod piece through a bolt, and two ends of the rib are welded with the mounting base and the support rod piece respectively.
Preferably, the preconditioning support assembly comprises: the support retaining plate, the regulation guide piece is articulated with the support retaining plate, and the guide chute has been seted up to regulation guide piece outer wall, and rotation seat one and rotation seat two are all fixed to be located and are adjusted the guide piece outer wall.
Preferably, the two ends of the threaded rod are respectively connected with the first rotating seat and the second rotating seat in a rotating way, the adjusting handle is fixedly arranged at one end of the threaded rod, which is close to the first rotating seat, and the threaded sleeve is sleeved on the outer wall of the threaded rod in a threaded way.
Preferably, one end of the adjusting support rod movably penetrates through the adjusting guide piece, the other end of the adjusting support rod is hinged with the anti-skid base, one end of the fixing block is movably arranged in the guide chute and fixedly connected with the adjusting support rod, and the other end of the fixing block is fixedly connected with the threaded sleeve.
Preferably, the arc-shaped guide piece is fixedly connected with the supporting and resisting plate, an arc-shaped groove is formed in the arc-shaped guide piece, one end of the arc-shaped adjusting rod is movably arranged in the arc-shaped groove, and the other end of the arc-shaped adjusting rod is fixedly connected with the adjusting guide piece.
Preferably, a plurality of through holes are formed in the arc-shaped adjusting rod at equal intervals, the bolt movably penetrates through the arc-shaped guide piece, the reset spring is sleeved on the outer wall of the bolt, and two ends of the reset spring are fixedly connected with the arc-shaped guide piece and the outer wall of the bolt respectively.
Preferably, the i-beam stabilization assembly comprises: the mounting box is internally provided with a containing groove, the mounting box is fixedly arranged in the containing groove, the U-shaped support is fixedly connected with the top of the inner wall of the mounting box, the inner wall of the U-shaped end of the U-shaped support is provided with a limiting sliding groove, two ends of the bearing plate are movably arranged in the limiting sliding groove, and one end of the I-shaped beam extending into the mounting box is abutted with the top of the bearing plate.
Preferably, two ends of the supporting plate are slidably connected with the inner wall of the U-shaped end of the U-shaped bracket, two ends of the connecting spring are fixedly connected with the bearing plate and the supporting plate respectively, one end of the push rod is fixedly connected with the bottom of the supporting plate, the other end of the push rod movably penetrates through the U-shaped bracket and is fixedly provided with a trapezoidal push head, the connecting spring is sleeved on the outer wall of the push rod, and two ends of the connecting spring are fixedly connected with the U-shaped bracket and the trapezoidal push head respectively.
Preferably, the rotating seat is fixedly connected with the outer wall of the U-shaped end of the U-shaped support, the stabilizing arm is movably connected with the rotating seat, the two ends of the stabilizing arm are respectively provided with a stabilizing pressure head and a bent rod piece, the U-shaped end of the U-shaped support is provided with a through groove, the stabilizing pressure head is movably arranged in the through groove, one end of the bent rod piece, which is close to the trapezoidal push head, is provided with an oblique push block, and the trapezoidal push head is in butt joint with the oblique push block.
Compared with the prior art, the invention has the beneficial effects that:
in an I-beam loading test, because the span of an I-beam is larger and is in a slender structure, deflection or instability is often generated near a loading position in the test, the I-beam is stably inserted into an I-beam stabilizing assembly in a test bed, then the I-beam is laterally supported through a pre-adjustment supporting assembly and is in a vertical state, then an anti-instability support is formed by splicing waste steel materials on site, during the splicing, a mounting base is welded on a table top, a limit rod piece is abutted against the side wall of the I-beam, then a diagonal brace and a supporting rod piece with proper sizes are intercepted, one end of the diagonal brace is welded with the mounting base, the other end of the diagonal brace is connected with the limit rod piece through a bolt, the supporting rod piece is welded with the support column, the other end of the diagonal brace is connected with the limit rod piece through a bolt, finally a triangular supporting structure is formed by welding ribs on the diagonal brace and the support rod piece, at the moment, the anti-instability support formed by splicing steel materials on site is used for providing lateral support to the I-beam, the pre-adjustment supporting assembly is loosened, and the waste pressing plate is pushed by a hydraulic push rod to press the I-beam, and the mechanical property of the I-beam is tested.
The I-beam stabilizing assembly is arranged to stabilize the I-beam, the pre-adjusting support assembly is used for laterally supporting the I-beam and enabling the I-beam to be in a vertical state, local materials are conveniently obtained to weld the anti-instability support, the anti-instability support and the pre-adjusting support assembly can prevent the I-beam from overturning or partially instable, the anti-instability support is welded by bolts, the assembly degree is high, the installation is convenient, and the anti-instability support can be reused.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a front view structure of the present invention;
FIG. 3 is a schematic view of a preconditioned support assembly according to the present invention;
fig. 4 is an enlarged schematic view of the structure a in fig. 1 according to the present invention.
In the figure: 1. a test bed; 2. a first support column; 3. a cross beam bracket; 4. a hydraulic push rod; 5. a pressurizing plate; 6. pre-adjusting the support assembly; 7. a receiving groove; 8. an i-shaped Liang Wending component; 9. a mounting base; 10. a rib; 11. diagonal bracing; 12. a limit rod piece; 13. a support rod; 14. an I-beam; 15. supporting a retaining plate; 16. adjusting the guide; 17. adjusting the handle; 18. a first rotating seat; 19. a thread sleeve; 20. a first fixed block; 21. a guide chute; 22. adjusting the supporting rod; 23. a second rotating seat; 24. an anti-slip base; 25. an arc-shaped guide member; 26. an arc-shaped groove; 27. a return spring; 28. an arc-shaped adjusting rod; 29. a plug pin; 30. a through hole; 31. a threaded rod; 32. a mounting box; 33. a U-shaped bracket; 34. limiting sliding grooves; 35. a pressure bearing plate; 36. a first connecting spring; 37. a support plate; 38. a push rod; 39. a second connecting spring; 40. a trapezoidal push head; 41. a rotating seat; 42. a stabilizing arm; 43. stabilizing the pressure head; 44. a bent rod piece; 45. an inclined pushing block; 46. and (5) through grooves.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Example 1
Referring to fig. 1-2, the present invention provides a technical solution, including: the test bed 1 is provided with a plurality of groups of first support columns 2 on the table top of the test bed 1, the cross beam support 3 is fixedly connected with the first support columns 2, the bottom of the cross beam support 3 is provided with a hydraulic push rod 4, the output end of the hydraulic push rod 4 is fixedly connected with a pressurizing plate 5, an I-beam stabilizing assembly 8 is arranged in the test bed 1, an I-beam 14 is inserted into the I-beam stabilizing assembly 8, two sides of the I-beam 14 are symmetrically provided with a plurality of groups of anti-instability brackets and pre-adjusting support assemblies 6, the groups of anti-instability brackets are arranged at the end heads of two sides of the I-beam stabilizing assembly 8, and the pre-adjusting support assemblies 6 are positioned between the two groups of anti-instability brackets.
Preferably, the destabilizing prevention bracket includes: the installation base 9, the installation base 9 is installed on the mesa of test bench 1, and bracing 11 one end and installation base 9 welding, the bracing 11 other end is connected with spacing member 12 through the bolt, and support member 13 one end and support column one 2 welding, and the support member 13 other end is connected with spacing member 12 through the bolt, and the rib 10 both ends weld with installation base 9 and support member 13 respectively.
The working principle of the technical scheme has the beneficial effects that:
in the loading test of the I-beam 14, because the span of the I-beam 14 is larger and is in an elongated structure, during the test, offset or instability is often generated near the loading position, the I-beam 14 is inserted into the test bed 1 to stabilize the I-beam stabilizing component 8, then the I-beam 14 is laterally supported through the pre-adjustment supporting component 6 and is in a vertical state, then an anti-instability bracket is formed by splicing waste steel materials on site, during the splicing, the mounting base 9 is welded on the table surface of the test bed 1, then the limit rod 12 is abutted against the side wall of the I-beam 14, then the diagonal support 11 and the support rod 13 with proper sizes are intercepted, one end of the diagonal support 11 is welded with the mounting base 9, the other end of the diagonal support 11 is connected with the limit rod 12 through bolts, the support rod 13 is welded with the support column one 2, the other end of the diagonal support rod 13 is connected with the limit rod 12 through bolts, finally the triangular support structure is formed on the diagonal support 11 and the support rod 13, at the moment, the I-beam 14 is laterally supported through the anti-instability bracket formed by adopting the waste steel materials on site, during the splicing, the mounting component 9 is welded on the table surface, then the support component is released, after the side support rod 11 is pushed, the pressing plate is pushed and the rib 5 is pushed to press the mechanical performance of the I-beam 14 is pressed, and the mechanical test is carried out, and the mechanical performance of the I-beam 14 is carried out.
The I-beam 14 can be stabilized through the arrangement of the I-beam stabilizing component 8, the I-beam 14 is laterally supported through the pre-adjusting supporting component 6, the I-beam 14 is in a vertical and vertical state, the anti-instability bracket is conveniently welded by taking materials locally, the anti-instability bracket and the pre-adjusting supporting component 6 can prevent the I-beam 14 from overturning or partially unstable, the anti-instability bracket adopts bolts and is welded, the assembly degree is high, the installation is convenient, and the anti-instability bracket can be reused.
Example 2
On the basis of embodiment 1, referring to fig. 1 and 3, the preconditioning support assembly 6 includes: the support retaining plate 15, the adjusting guide piece 16 is hinged with the support retaining plate 15, the outer wall of the adjusting guide piece 16 is provided with a guide chute 21, and the first rotating seat 18 and the second rotating seat 23 are fixedly arranged on the outer wall of the adjusting guide piece 16.
Preferably, two ends of the threaded rod 31 are respectively connected with the first rotating seat 18 and the second rotating seat 23 in a rotating way, the adjusting handle 17 is fixedly arranged at one end, close to the first rotating seat 18, of the threaded rod 31, and the threaded sleeve 19 is in threaded sleeve connection with the outer wall of the threaded rod 31.
Preferably, one end of the adjusting support rod 22 movably penetrates through the adjusting guide piece 16, the other end of the adjusting support rod 22 is hinged with the anti-skid base 24, one end of the first fixing block 20 is movably arranged in the guide chute 21 and fixedly connected with the adjusting support rod 22, and the other end of the first fixing block 20 is fixedly connected with the threaded sleeve 19.
Preferably, the arc-shaped guide member 25 is fixedly connected with the supporting and resisting plate 15, an arc-shaped groove 26 is arranged in the arc-shaped guide member 25, one end of an arc-shaped adjusting rod 28 is movably arranged in the arc-shaped groove 26, and the other end of the arc-shaped adjusting rod 28 is fixedly connected with the adjusting guide member 16.
Preferably, a plurality of through holes 30 are formed in the arc adjusting rod 28 at equal intervals, the bolt 29 movably penetrates through the arc guide piece 25, the reset spring 27 is sleeved on the outer wall of the bolt 29, and two ends of the reset spring 27 are fixedly connected with the arc guide piece 25 and the outer wall of the bolt 29 respectively.
The working principle of the technical scheme has the beneficial effects that: the thickness and the height of the I-beam 14 for test are different, the higher the I-beam 14 is, the more unstable the I-beam 14 is, therefore, when the I-beam 14 with different heights is tested, the interval between the I-beam 14 needs to be adjusted by two groups of pre-adjusting support assemblies 6, when the I-beam 14 is adjusted, the threaded rod 31 is driven to rotate by rotating the adjusting handle 17, at the moment, the threaded sleeve 19 moves along the outer wall of the threaded rod 31 and drives the adjusting support rod 22 to extend out of the adjusting guide piece 16 to lift and adjust through the fixing block I20, meanwhile, the adjusting guide piece 16 rotates around the supporting and resisting plate 15 and drives the arc-shaped adjusting rod 28 to be pulled out of the arc-shaped groove 26 of the arc-shaped guide piece 25, after the height of the supporting and resisting plate 15 is adjusted in the mode, the pin 29 is released, the angle of the I-beam 14 with different heights can be stabilized by inserting the adjusting guide piece 16 into the through hole 30 of the arc-shaped adjusting rod 28 under the driving of the reset spring 27, and the I-beam 14 is prevented from being partially unstable.
Example 3
Referring to fig. 1 and 4 in addition to any of embodiments 1-2, an i-beam stabilization assembly 8 includes: the mounting box 32, the holding tank 7 has been seted up in the test bench 1, and the mounting box 32 is fixed to be located in the holding tank 7, and U type support 33 and mounting box 32 inner wall top fixed connection, limit chute 34 has been seted up to the U type end inner wall of U type support 33, and limit chute 34 is located to bearing plate 35 both ends activity, and I-beam 14 extends to the one end in the mounting box 32 and bearing plate 35 top butt.
Preferably, two ends of the supporting plate 37 are slidably connected with the inner wall of the U-shaped end of the U-shaped bracket 33, two ends of the first connecting spring 36 are fixedly connected with the bearing plate 35 and the supporting plate 37 respectively, one end of the push rod 38 is fixedly connected with the bottom of the supporting plate 37, the other end of the push rod 38 movably penetrates through the U-shaped bracket 33 and is fixedly provided with a trapezoidal push head 40, the second connecting spring 39 is sleeved on the outer wall of the push rod 38, and two ends of the second connecting spring 39 are fixedly connected with the U-shaped bracket 33 and the trapezoidal push head 40 respectively.
Preferably, the rotating seat 41 is fixedly connected with the outer wall of the U-shaped end of the U-shaped support 33, the stabilizing arm 42 is movably connected with the rotating seat 41, the stabilizing arm 42 is respectively provided with a stabilizing pressure head 43 and a bent rod piece 44 at two ends, the U-shaped end of the U-shaped support 33 is provided with a through groove 46, the stabilizing pressure head 43 is movably arranged in the through groove 46, one end of the bent rod piece 44, which is close to the trapezoidal push head 40, is provided with an inclined push block 45, and the trapezoidal push head 40 is abutted against the inclined push block 45.
Preferably, a torsion spring is sleeved on the rotating shaft of the rotating seat 41 for resetting the stabilizing arm 42.
The working principle of the technical scheme has the beneficial effects that: when the I-beam stabilizing assembly 8 is used, the I-beam 14 is inserted into the mounting box 32, so that the I-beam 14 is abutted to the bearing plate 35 and pushes the bearing plate 35 to slide downwards along the limiting chute 34, at the moment, the first connecting spring 36 is compressed to play a buffering role and push the push rod 38 to move downwards through the supporting plate 37, at the moment, the trapezoidal push head 40 arranged at the bottom of the push rod 38 pushes the two groups of inclined push blocks 45 to move in the directions away from each other, and due to the arrangement of the bent rod piece 44 on the stabilizing arm 42, the inclined push blocks 45 drive the stabilizing arm 42 to rotate around the rotating seat 41 through the bent rod piece 44, and then the stabilizing press head 43 enters the U-shaped support 33 through the through groove 46 and abuts against the outer wall of the I-beam 14, so that the I-beam 14 is stabilized, and when the hydraulic push rod 4 performs a pressurizing test on the I-beam 14, the clamping force of the stabilizing press head 43 on the I-beam 14 is larger, the I-beam 14 is stabilized, and therefore the I-beam 14 is prevented from tilting or being partially unstable, and the use is convenient.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. An assembled anti-instability test loading device for an i-beam, comprising: test bench (1), its characterized in that:
a plurality of groups of first support columns (2) are arranged on the table top of the test bed (1), the beam support (3) is fixedly connected with the first support columns (2), the bottom of the beam support (3) is provided with a hydraulic push rod (4), the output end of the hydraulic push rod (4) is fixedly connected with a pressurizing plate (5), an I-shaped Liang Wending component (8) is arranged in the test bed (1), an I-shaped beam (14) is inserted into the I-shaped Liang Wending component (8), a plurality of groups of instability prevention supports and preset adjustment support components (6) are symmetrically arranged on two sides of the I-shaped beam (14), the groups of instability prevention supports are arranged at the end heads on two sides of the I-shaped Liang Wending component (8), and the preset adjustment support components (6) are positioned between the two groups of instability prevention supports;
the pre-conditioning support assembly (6) comprises: the support retaining plate (15), the adjusting guide piece (16) is hinged with the support retaining plate (15), the outer wall of the adjusting guide piece (16) is provided with a guide chute (21), and the first rotating seat (18) and the second rotating seat (23) are fixedly arranged on the outer wall of the adjusting guide piece (16);
two ends of the threaded rod (31) are respectively connected with the first rotating seat (18) and the second rotating seat (23) in a rotating way, the adjusting handle (17) is fixedly arranged at one end of the threaded rod (31) close to the first rotating seat (18), and the threaded sleeve (19) is in threaded sleeve connection with the outer wall of the threaded rod (31);
one end of an adjusting support rod (22) movably penetrates through the adjusting guide piece (16), the other end of the adjusting support rod (22) is hinged with the anti-skid base (24), one end of a first fixed block (20) is movably arranged in the guide chute (21) and fixedly connected with the adjusting support rod (22), and the other end of the first fixed block (20) is fixedly connected with the threaded sleeve (19);
the arc-shaped guide piece (25) is fixedly connected with the supporting and resisting plate (15), an arc-shaped groove (26) is formed in the arc-shaped guide piece (25), one end of an arc-shaped adjusting rod (28) is movably arranged in the arc-shaped groove (26), and the other end of the arc-shaped adjusting rod (28) is fixedly connected with the adjusting guide piece (16);
a plurality of through holes (30) are formed in the arc-shaped adjusting rod (28) at equal intervals, the bolt (29) movably penetrates through the arc-shaped guide piece (25), the reset spring (27) is sleeved on the outer wall of the bolt (29), and two ends of the reset spring (27) are fixedly connected with the arc-shaped guide piece (25) and the outer wall of the bolt (29) respectively.
2. The assembled anti-instability test loading device for an i-beam according to claim 1, wherein:
the anti-destabilization bracket includes: the device comprises a mounting base (9), wherein the mounting base (9) is mounted on a table top of a test bed (1), one end of an inclined strut (11) is welded with the mounting base (9), the other end of the inclined strut (11) is connected with a limit rod piece (12) through a bolt, one end of a support rod piece (13) is welded with a first support column (2), the other end of the support rod piece (13) is connected with the limit rod piece (12) through a bolt, and two ends of a rib (10) are welded with the mounting base (9) and the support rod piece (13) respectively.
3. The assembled anti-instability test loading device for an i-beam according to claim 1, wherein:
the i-shaped Liang Wending assembly (8) comprises: install bin (32), set up holding tank (7) in test bench (1), and install bin (32) are fixed locate in holding tank (7), U type support (33) and install bin (32) inner wall top fixed connection, spacing spout (34) have been seted up to U type end inner wall of U type support (33), spacing spout (34) are located in bearing plate (35) both ends activity, and I-beam (14) extend to the one end in install bin (32) and bearing plate (35) top butt.
4. A fabricated anti-instability test loading device for an i-beam according to claim 3, wherein:
two ends of the supporting plate (37) are slidably connected with the inner wall of the U-shaped end of the U-shaped support (33), two ends of the first connecting spring (36) are fixedly connected with the bearing plate (35) and the supporting plate (37) respectively, one end of the push rod (38) is fixedly connected with the bottom of the supporting plate (37), the other end of the push rod (38) movably penetrates through the U-shaped support (33) and is fixedly provided with a trapezoid push head (40), the second connecting spring (39) is sleeved on the outer wall of the push rod (38), and two ends of the second connecting spring (39) are fixedly connected with the U-shaped support (33) and the trapezoid push head (40) respectively.
5. The assembled anti-instability test loading apparatus for an i-beam of claim 4, wherein:
the U-shaped end outer wall fixed connection of rotation seat (41) and U-shaped support (33), stable arm (42) and rotation seat (41) swing joint, and stable arm (42) both ends are equipped with respectively and stabilize pressure head (43) and bent lever spare (44), logical groove (46) has been seted up to the U-shaped end of U-shaped support (33), in logical groove (46) is located in the activity of stable pressure head (43), the one end that bent lever spare (44) is close to trapezoidal push head (40) is equipped with oblique push block (45), trapezoidal push head (40) and oblique push block (45) looks butt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311359762.6A CN117091869B (en) | 2023-10-20 | 2023-10-20 | Assembled anti-instability test loading device for I-beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311359762.6A CN117091869B (en) | 2023-10-20 | 2023-10-20 | Assembled anti-instability test loading device for I-beam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117091869A CN117091869A (en) | 2023-11-21 |
| CN117091869B true CN117091869B (en) | 2024-01-09 |
Family
ID=88772202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311359762.6A Active CN117091869B (en) | 2023-10-20 | 2023-10-20 | Assembled anti-instability test loading device for I-beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117091869B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136579A (en) * | 2015-08-25 | 2015-12-09 | 中铁十八局集团第四工程有限公司 | Bending-resistant anti-pulling dual-purpose testing table for duct piece and test method thereof |
| CN205317460U (en) * | 2016-01-06 | 2016-06-15 | 河海大学 | Prevent test device of frame liangping off -plate unstability under big deformation test condition |
| KR101732453B1 (en) * | 2016-10-13 | 2017-05-08 | (주) 대현이엔씨 | Apparatus for manufacturing preplex composite beam girder |
| CN107966289A (en) * | 2017-12-21 | 2018-04-27 | 海南大学 | A kind of outer bearing diagonal plough groove type self-balancing gate-type assembling reaction frame of band plane |
| CN108254175A (en) * | 2018-02-02 | 2018-07-06 | 沈阳建筑大学 | A kind of adjustable anti-unstability loading device |
| CN110361183A (en) * | 2019-08-08 | 2019-10-22 | 西南交通大学 | The anti-unstability experiment loading unit of assembled and its experimental method for tee girder |
| CN111776937A (en) * | 2020-07-29 | 2020-10-16 | 天津天大滨海船舶与海洋工程研究院有限公司 | Assembled lifting device for lifting I-beam and combined module thereof and use method |
| CN116429457A (en) * | 2023-03-14 | 2023-07-14 | 江铃汽车股份有限公司 | Clamping device for chassis suspension test |
-
2023
- 2023-10-20 CN CN202311359762.6A patent/CN117091869B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136579A (en) * | 2015-08-25 | 2015-12-09 | 中铁十八局集团第四工程有限公司 | Bending-resistant anti-pulling dual-purpose testing table for duct piece and test method thereof |
| CN205317460U (en) * | 2016-01-06 | 2016-06-15 | 河海大学 | Prevent test device of frame liangping off -plate unstability under big deformation test condition |
| KR101732453B1 (en) * | 2016-10-13 | 2017-05-08 | (주) 대현이엔씨 | Apparatus for manufacturing preplex composite beam girder |
| CN107966289A (en) * | 2017-12-21 | 2018-04-27 | 海南大学 | A kind of outer bearing diagonal plough groove type self-balancing gate-type assembling reaction frame of band plane |
| CN108254175A (en) * | 2018-02-02 | 2018-07-06 | 沈阳建筑大学 | A kind of adjustable anti-unstability loading device |
| CN110361183A (en) * | 2019-08-08 | 2019-10-22 | 西南交通大学 | The anti-unstability experiment loading unit of assembled and its experimental method for tee girder |
| CN111776937A (en) * | 2020-07-29 | 2020-10-16 | 天津天大滨海船舶与海洋工程研究院有限公司 | Assembled lifting device for lifting I-beam and combined module thereof and use method |
| CN116429457A (en) * | 2023-03-14 | 2023-07-14 | 江铃汽车股份有限公司 | Clamping device for chassis suspension test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117091869A (en) | 2023-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10883283B2 (en) | Support device, of the drop head type, for supporting beams of formworks for floor slabs, apparatus comprising such device and supporting beam to be associated with the device | |
| CN212714928U (en) | Prestressed anchorage cable reinforced structure | |
| CN117091869B (en) | Assembled anti-instability test loading device for I-beam | |
| JP2001355253A (en) | Method and device for acting horizontal force on foundation structure | |
| US4009855A (en) | Trestle | |
| CN215801603U (en) | Auxiliary device for mounting prestressed anchor cable anchorage device | |
| CN113790980B (en) | Concrete member torsion resistance experimental method | |
| CN214731475U (en) | Slope type steel seat frame for automobile loading | |
| CN212578506U (en) | Valve assembly stand | |
| CN217384974U (en) | Lateral displacement restraint device suitable for circular steel pipe component loading test | |
| CN219989359U (en) | Anti-toppling device for substation inspection robot | |
| CN217359321U (en) | Anchor backing plate convenient for adjusting inclination angle | |
| CN215888227U (en) | Construction device for pile foundation engineering | |
| GB2031486A (en) | A railway clip-applying machine | |
| CN217481192U (en) | Drilling machine | |
| CN219570050U (en) | Supporting mechanism | |
| CN217839721U (en) | Steel box girder splicing and positioning device | |
| CN219484696U (en) | Welding clamp for inclined support seat | |
| CN219411850U (en) | Template locking device | |
| CN219314393U (en) | Rail clamping device and traveling system | |
| CN216304309U (en) | Rack type railway track jack | |
| CN213326715U (en) | Resin column is upset support frame for filler | |
| CN220927525U (en) | T roof beam diaphragm strutting arrangement | |
| CN216616807U (en) | Scaffold frame girder steel of encorbelmenting | |
| CN220708912U (en) | Steel pipe concrete structure mechanical property test device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |