CN115575215A - Expansion screw test machine - Google Patents
Expansion screw test machine Download PDFInfo
- Publication number
- CN115575215A CN115575215A CN202211184561.2A CN202211184561A CN115575215A CN 115575215 A CN115575215 A CN 115575215A CN 202211184561 A CN202211184561 A CN 202211184561A CN 115575215 A CN115575215 A CN 115575215A
- Authority
- CN
- China
- Prior art keywords
- bolt
- expansion screw
- testing machine
- supporting
- hydraulic
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of expansion screw detection, and discloses an expansion screw testing machine which comprises a detection box body and a base fixing structure arranged on one side of the detection box body, wherein the base fixing structure comprises a supporting outer shell, a limiting shell, an inner hydraulic cylinder, a supporting upper base, side fixing frames and a hydraulic inner shaft, the supporting outer shell is positioned at the upper end of the inner wall of the detection box body, the inner hydraulic cylinder is arranged in the supporting outer shell, the hydraulic inner shaft is arranged in the inner hydraulic cylinder, the supporting upper base is arranged at the upper end of the hydraulic inner shaft, four side fixing frames are arranged on the outer side of the supporting upper base in an annular array, and a limiting bottom groove is arranged at the axis position of the supporting upper base. The device can always realize the fixed clamping operation on the two ends of the bolt when the bolt bears heavy weight and is pulled, the support state of the sleeve can be visually checked through the fixing mode, and the device adopts a four-side shrinkage fixing mode.
Description
Technical Field
The invention relates to the technical field of expansion screw detection, in particular to an expansion screw testing machine.
Background
The expansion screw is generally a metal expansion screw, one end of the screw is a thread, and the other end of the screw is provided with a taper. The steel pipe is covered by an iron sheet (some steel pipes), a half of an iron sheet cylinder (steel pipe) is provided with a plurality of notches, the iron sheet cylinder (steel pipe) and the steel pipe are plugged into a hole drilled in a wall together, then a nut is locked, a screw is pulled outwards by the nut, the taper is pulled into the iron sheet cylinder, and the iron sheet cylinder is expanded and then is tightly fixed on the wall, so that the device is generally used for fastening guard rails, awnings, air conditioners and the like on materials such as cement, bricks and the like, but the fixation of the device is not very reliable, and if the load has large vibration, the loosening can occur, therefore, the pulling force of the device needs to be tested, the device is used under any environment according to the size of the pulling force, and the device is a pulling force testing device for detecting the expansion screw.
The expansion bolt's principle is then to utilize the sleeve pipe in its outside to open, forms the support to the internal wall of aperture, accomplishes the fixed state, but when testing, the device detects including wrapping up the bolt usually, and during the test, needs the test condition of audio-visual observation sleeve pipe and bolt to still need to realize fixed operation to it simultaneously, and current testing arrangement then is difficult to reach this kind of fixed mode.
Disclosure of Invention
The invention provides an expansion screw testing machine, which has the beneficial effect of facilitating observation during detection, and solves the problem that the expansion bolt in the background technology is fixed by utilizing the principle that a sleeve on the outer side of the expansion bolt is opened to support the inner wall of a bore, but the bolt is usually wrapped in the expansion bolt for detection during testing, the testing state of the sleeve and the bolt needs to be visually observed during testing, and meanwhile, the fixation operation needs to be realized, and the conventional testing device is difficult to achieve the fixing mode.
The invention provides the following technical scheme: the utility model provides an expansion screw test machine, is including the base fixed knot who detects the box and detect box one side constructs, base fixed knot constructs including supporting shell body, spacing casing, interior pneumatic cylinder, supporting in base, side mount and the hydraulic pressure, the support shell body is located the upper end of detecting the box inner wall, support shell body internally mounted has interior pneumatic cylinder, the internally mounted of interior pneumatic cylinder has interior the hydraulic pressure, the upper end of interior axle of hydraulic pressure is equipped with supports the base, the outside annular array that supports the base has four side mounts, the axle center position that supports the base is equipped with spacing kerve, the bolt is installed to the upper end of spacing kerve, the sleeve pipe is installed in the outside of bolt, the hydraulic cylinder body is installed to base fixed knot constructs's upper end, the internally mounted of hydraulic cylinder body has the loose axle, buffer structure is installed to the lower extreme of loose axle, fixed knot constructs is installed to buffer structure's lower extreme.
As an alternative of the expansion screw testing machine of the present invention, wherein: the hydraulic support device comprises a hydraulic inner shaft, a piston, a limit shell, a side fixing frame and a liquid inlet pipe, wherein the piston is installed at the lower end of the hydraulic inner shaft and used for positioning a hydraulic inner shaft support in an inner hydraulic cylinder, the limit shell is arranged at the upper end of a support shell and used for contracting the side fixing frame, the liquid inlet pipe is installed on the outer side of the inner hydraulic cylinder, and hydraulic oil is filled in the inner hydraulic cylinder.
As an alternative of the expansion screw testing machine of the present invention, wherein: the inner wall of the side fixing frame is provided with an arc-shaped fitting groove, the lower end of the inner wall of the side fixing frame is provided with a fixed bevel edge, and the fixed bevel edge is used for limiting the lower end of the sleeve.
As an alternative of the expansion screw testing machine of the present invention, wherein: the inner wall of the arc-shaped fitting groove is provided with a friction conical strip, and the friction conical strip is used for increasing the friction force between the side fixing frame and the outer surface of the sleeve.
As an alternative of the expansion screw testing machine of the present invention, wherein: the fixing structure comprises a supporting shell, a fixed inner groove, an installation inner groove, a clamping block, an inner pushing inclined plane and a rotating shaft, the upper surface of the supporting shell is used for being fixed with the lower surface of the buffering structure, the fixed inner groove is arranged inside the supporting shell, the installation inner groove is further arranged inside the supporting shell, the clamping block is installed inside the installation inner groove, the inner pushing inclined plane is arranged on one side of the clamping block, the rotating shaft is installed inside the clamping block, and the rotating shaft is used for fixing the clamping block in the installation inner groove.
As an alternative of the expansion screw testing machine of the present invention, wherein: the fixture block is characterized in that an upper end limiting plate is arranged at the upper end of the fixture block, a lifting ring is further arranged inside the installation inner groove, a pushing inclined plane is arranged on the outer side of the lifting ring and used for pushing the upper end position of the upper end limiting plate, and an elastic tongue is arranged on one side of the upper end limiting plate and used for providing an elastic effect for the upper end limiting plate.
As an alternative of the expansion screw testing machine of the present invention, wherein: the inner side of the fixed inner groove is provided with a top plate, a first spring is installed at the upper end of the top plate, a supporting rod is arranged on the outer side of the top plate, and the supporting rod is used for fixing the outer side of the top plate and the inner wall of the lifting ring.
As an alternative of the expansion screw testing machine of the present invention, wherein: the lower extreme that promotes the inclined plane is equipped with the positioning groove who is located the intra-annular of lift, the top of upper end limiting plate is used for the card in positioning groove, the inside of fixture block is equipped with interior cavity, the backup pad is installed to the inboard of interior cavity, the link plate is installed to the lower extreme of backup pad, the elasticity pivot is installed to one side of link plate, the elasticity pivot is used for supporting the link plate and installs the lower extreme in the backup pad perpendicularly.
As an alternative of the expansion screw testing machine of the present invention, wherein: buffer structure includes the energy-absorbing casing, strikes back shaft, second spring, pressure chamber, the inside of energy-absorbing casing is equipped with the pressure chamber, the internally mounted of pressure chamber has the impact back shaft, the second spring is installed with the outside of impacting the back shaft to the energy-absorbing casing, the sealing ring is installed on the top of impacting the back shaft, the second spring is used for the energy-absorbing casing and provides the elasticity effect with the impact back shaft, the inside of pressure chamber is full of fluid.
As an alternative of the expansion screw testing machine of the present invention, wherein: two rows of sealing outer rings are installed on the outer side of the sealing ring, two laminating seats located on the outer side of the sealing ring are installed between the sealing outer rings, buffering sealing pieces are arranged on the outer sides of the laminating seats, and gaps exist between one ends of the sealing outer rings and the inner wall of the pressure cavity.
The invention has the following beneficial effects:
1. this inflation screw test machine, cooperation through base fixed knot constructs inner structure, can realize the quick fixed to the bolt, and the side mount is annular array clamping structure, can be to strengthening its block degree by a wide margin, the bolt that makes is when bearing the heavy weight and dragging, the device can realize fixed centre gripping operation to its both ends all the time, through its fixed mode, can audio-visually look over sheathed tube support state, and the device adopts the fixed mode of four directions shrink, can avoid the bolt after exceeding the extreme condition, cause the bolt material situation of splashing.
2. This inflation screw test machine, the pressure that axle whereabouts in the hydraulic pressure is big more, then the inside tightening force of side mount is just big more, simultaneously to bolt and sheathed tube interlock force just big more, thereby the dynamics of tightening up inwards of side mount has been decided to the dynamics of pushing down of axle in the hydraulic pressure, through the elevating movement with axle in the hydraulic pressure, adjust into the hydraulic drive mode, and by a wide margin improved the side mount to bolt and sheathed tube centre gripping effect, when increasing its clenching power, the centre gripping operation mode to the side mount has also been changed, need not the manpower and can realize the installation of device, make the centre gripping operation of bolt more convenient.
3. According to the expansion screw tester, through the matching of the internal structure of the base fixing structure, the device only needs to place the bolt at a specified position without manual installation and fixation, and the inside of the device adopts a hydraulic mode to provide inward contraction driving force for the side fixing frame, so that the device can support the fixing operation of the bolt to the maximum extent, can accurately test the bearing pressure data of the bolt, remarkably improves the installation stability of the device, improves the detection interval of the device, and can detect expansion screws of various models;
through the cooperation operation of fixed knot constructs inner structure, make the lower extreme of bolt after fixed the accomplishing with base fixed knot constructs, and support housing only needs to realize through the loose axle that the operation of going up and down can accomplish locking and the unblock operation to the bolt, make the installation of bolt when examining, the fixed convenience degree of device to the bolt has increased substantially, and the device need not the operating personnel and carries out fixed mounting, and be adapted to the fixed mounting of multiple bolt, make the bolt when the installation, reduce personnel's interference operation in a large number, thereby realized the convenient installation of bolt, and avoid the safety problem that artifical contact caused.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention.
Fig. 2 is a schematic view of the overall planar structure of the present invention.
FIG. 3 is a partial structural diagram of the part A of FIG. 1 according to the present invention.
Fig. 4 is a schematic view of the fixing structure of the present invention.
Fig. 5 is a schematic diagram of a fixture block structure according to the present invention.
FIG. 6 is a schematic view of a buffer structure according to the present invention.
FIG. 7 is a schematic cross-sectional view of an energy absorbing shell of the present invention.
FIG. 8 is a partial structural diagram of the part B in FIG. 6 according to the present invention.
In the figure: 1. detecting the box body; 2. a base fixing structure; 21. supporting the outer shell; 22. a limiting shell; 23. an inner hydraulic cylinder; 24. supporting an upper base; 25. a side fixing frame; 26. a hydraulic inner shaft; 27. a piston; 28. an arc-shaped fitting groove; 29. rubbing the conical strip; 30. a limiting bottom groove; 3. a bolt; 31. fixing the bevel edge; 32. a liquid inlet pipe; 4. a sleeve; 5. a fixed structure; 51. a support housing; 52. fixing the inner groove; 53. installing an inner groove; 54. a clamping block; 55. pushing the inclined plane inwards; 56. a rotating shaft; 57. an upper end limit plate; 58. a lifting ring; 59. positioning the clamping groove; 60. a top plate; 61. a first spring; 62. a spring tongue; 63. a support bar; 64. pushing the inclined plane; 65. a support plate; 66. hanging the plate; 67. an elastic rotating shaft; 68. an inner cavity; 7. a buffer structure; 71. an energy absorbing housing; 72. impacting the support shaft; 73. a second spring; 74. a pressure chamber; 75. a seal ring; 76. sealing the outer ring; 77. a fitting seat; 78. buffering sealing pieces; 8. a hydraulic cylinder block; 9. a movable shaft.
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 fig. 1-8, an expansion screw testing machine includes a detection box 1 and a base fixing structure 2 on one side of the detection box 1, where the base fixing structure 2 includes a support outer casing 21, a limit casing 22, an inner hydraulic cylinder 23, a support upper base 24, side fixing frames 25 and a hydraulic inner shaft 26, the support outer casing 21 is located at the upper end of the inner wall of the detection box 1, the support outer casing 21 is internally provided with the inner hydraulic cylinder 23, the inner hydraulic inner shaft 26 is installed inside the inner hydraulic cylinder 23, the upper end of the hydraulic inner shaft 26 is provided with the support upper base 24, the outer side of the support upper base 24 is annularly arrayed with the four side fixing frames 25, the axial center position of the support upper base 24 is provided with a limit bottom groove 30, the upper end of the limit bottom groove 30 is provided with a bolt 3, the outer side of the bolt 3 is provided with a sleeve 4, the upper end of the base fixing structure 2 is provided with a hydraulic cylinder body 8, the hydraulic cylinder body 8 is internally provided with a movable shaft 9, the lower end of the movable shaft 9 is provided with a buffer structure 7, and the lower end of the buffer structure 7 is provided with a fixing structure 5.
Example 2
The present embodiment is an improvement made on the basis of embodiment 1, and specifically, please refer to fig. 1 to 8, a piston 27 is installed at a lower end of the hydraulic inner shaft 26, the piston 27 is used for supporting and positioning the hydraulic inner shaft 26 in the inner hydraulic cylinder 23, a limiting casing 22 is installed at an upper end of the supporting outer casing 21, the limiting casing 22 is used for contracting the side fixing frame 25, a liquid inlet pipe 32 is installed at an outer side of the inner hydraulic cylinder 23, and hydraulic oil is filled in the inner hydraulic cylinder 23.
The hydraulic inner shaft 26 is supported by extremely high downward pressure, the inner wall of the limiting shell 22 is attached to the outer surface of the side fixing frame 25, meanwhile, when the hydraulic inner shaft 26 falls, the inner wall of the limiting shell 22 forms a limiting effect on the outer surface of the side fixing frame 25, the side fixing frame 25 is in an inward folded state through continuous falling of the hydraulic inner shaft 26, the greater the falling pressure of the hydraulic inner shaft 26 is, the greater the inward tightening force of the side fixing frame 25 is, and the greater the biting force of the bolt 3 and the sleeve 4 is, so that the downward force degree of the hydraulic inner shaft 26 determines the inward tightening force of the side fixing frame 25, the lifting movement of the hydraulic inner shaft 26 is adjusted into a hydraulic driving mode, the clamping effect of the side fixing frame 25 on the bolt 3 and the sleeve 4 is greatly improved, the biting force is increased, the clamping operation mode of the side fixing frame 25 is also changed, the driving of the device can be realized without manpower, and the clamping operation of the bolt 3 is more convenient.
Example 3
In this embodiment, an improvement is made on the basis of embodiment 2, specifically, referring to fig. 1 to 8, an arc-shaped fitting groove 28 is formed in the inner wall of the side fixing frame 25, a fixing bevel edge 31 is formed at the lower end of the inner wall of the side fixing frame 25, and the fixing bevel edge 31 is used for limiting the lower end of the sleeve 4.
After the sleeve 4 is pressed down, the lower end of the sleeve is expanded outwards, the expanded size is consistent with the conical structure of the lower end of the bolt 3, and the expanded portion is attached to the inner wall of the arc-shaped attaching groove 28 to form a clamping state, so that the fixing effect of the sleeve 4 is improved.
Example 4
In this embodiment, an improvement is made on the basis of embodiment 3, specifically, referring to fig. 1 to 8, a friction tapered strip 29 is disposed on an inner wall of the arc-shaped fitting groove 28, and the friction tapered strip 29 is used for increasing the friction force between the side fixing frame 25 and the outer surface of the casing 4.
The lower surface of the bolt 3 is placed in the limiting bottom groove 30, hydraulic oil is supplied to the inside of the inner hydraulic cylinder 23 through the liquid inlet pipe 32, hydraulic power support is provided for the piston 27, the piston 27 moves downwards, the hydraulic inner shaft 26 is driven to fall simultaneously, the supporting upper base 24 falls together, after the piston falls to a certain height, the inner wall of the supporting upper base 24 can be attached to the outer surface of the side fixing frame 25, the four side fixing frames 25 are folded inwards, the outer surface of the sleeve 4 is clamped, meanwhile, the friction force between the friction conical strip 29 and the outer surface of the sleeve 4 can be increased, the movable shaft 9 falls at the moment, the fixing structure 5 is driven to fall, the fixing structure 5 is sleeved at the upper end of the bolt 3, a fixing state is formed, and the fixing operation of the upper end of the bolt 3 is completed;
the movable shaft 9 retracts to achieve a dragging effect on the bolt 3, the sleeve 4 can be correspondingly dragged downwards through contact with the friction conical strip 29 during dragging, the lower end of the bolt 3 is provided with an inclined plane, the lower end of the sleeve 4 expands outwards through the inclined plane and extends to the position of the fixed inclined edge 31 while expanding, the bolt 3 is in an upwards-rising motion state at the moment, the lower end of the sleeve 4 is located between the outer surface of the bolt 3 and the inner wall of the fixed inclined edge 31, and when the bolt 3 rises, the bolt 3 and the fixed inclined edge 31 can extrude the sleeve 4, so that the dragging strength of the bolt 3 is increased, and the test detection operation on the device is achieved;
through the cooperation of 2 inner structure of base fixed knot constructs, the device only need with bolt 3 place in the assigned position can, need not the manual work and install fixedly, and the inside hydraulic pressure mode that adopts of device, provide the drive power of inside shrink to side mount 25, make the device can furthest support the fixed operation to bolt 3, and can accurately test out the bearing pressure data of bolt, and show the installation stability that has improved the device, and improved the detection interval of device, make the device can detect multiple model inflation screw.
Example 5
The present embodiment is an improvement made on the basis of embodiment 4, and specifically, referring to fig. 1 to 8, the fixing structure 5 includes a supporting housing 51, a fixing inner groove 52, an installation inner groove 53, a latch 54, an inward-pushing inclined surface 55 and a rotating shaft 56, an upper surface of the supporting housing 51 is used for fixing with a lower surface of the buffer structure 7, the fixing inner groove 52 is arranged inside the supporting housing 51, the installation inner groove 53 is further arranged inside the supporting housing 51, the latch 54 is installed inside the installation inner groove 53, the inward-pushing inclined surface 55 is arranged on one side of the latch 54, the rotating shaft 56 is installed inside the latch 54, and the rotating shaft 56 is used for fixing the latch 54 in the installation inner groove 53.
When the supporting shell 51 is sleeved on the upper end of the bolt 3, the outer side of the bolt 3 contacts with the inward-pushing inclined surface 55, and the clamping block 54 is pushed inwards, so that the upper end of the bolt 3 is submerged at one side of the clamping block 54, the bolt 3 is directly clamped therein at a high speed, and a supporting operation is provided for the device.
Example 6
In this embodiment, an improvement is made on the basis of embodiment 5, specifically, referring to fig. 1 to 8, an upper end limiting plate 57 is disposed at the upper end of the fixture block 54, a lifting ring 58 is further disposed inside the inner installation groove 53, a pushing inclined surface 64 is disposed outside the lifting ring 58, the pushing inclined surface 64 is used for pushing the upper end position of the upper end limiting plate 57, an elastic tongue 62 is disposed at one side of the upper end limiting plate 57, and the elastic tongue 62 is used for providing an elastic effect for the upper end limiting plate 57.
When the upper end of the bolt 3 is fixed inside the support shell 51 and the detection is completed, the bolt is taken out without a corresponding mechanism;
the lifting ring 58 drives the pushing inclined plane 64 to jack upwards, the outer side of the pushing inclined plane 64 forms friction on the outer surface of the upper end limiting plate 57, the upper end limiting plate 57 is pushed towards one side, a lever state is formed between the upper end limiting plate 57 and the clamping block 54 through the rotating shaft 56, the upper end limiting plate 57 is pushed to ensure that the clamping block 54 contracts inwards, so that the upper end of the bolt 3 falls off inside the fixed inner groove 52, the device has the function of facilitating the detachment of the bolt 3, and the bolt 3 can be taken out of the fixed inner groove 52 conveniently.
Example 7
In this embodiment, an improvement is made on the basis of embodiment 6, specifically, referring to fig. 1 to 8, a top plate 60 is installed inside the fixed inner groove 52, a first spring 61 is installed at the upper end of the top plate 60, a support rod 63 is installed outside the top plate 60, and the support rod 63 is used for fixing the outside of the top plate 60 and the inner wall of the lifting ring 58.
The top plate 60 is additionally arranged so as to form a linkage state with the lifting ring 58, so that the bolt 3 can be conveniently jacked up the top plate 60 and lifted up the lifting ring 58 when being lifted up, the upper end of the upper end limiting plate 57 is clamped in the positioning clamping groove 59, a fixed state is formed, and the bolt 3 is conveniently fixed.
Example 8
The present embodiment is an improvement made on the basis of embodiment 7, and specifically, referring to fig. 1 to 8, a positioning slot 59 located in the lifting ring 58 is disposed at a lower end of the pushing inclined plane 64, a top end of the upper end limiting plate 57 is used for being clamped in the positioning slot 59, an inner cavity 68 is disposed inside the clamping block 54, a supporting plate 65 is mounted on an inner side of the inner cavity 68, a hanging plate 66 is mounted at a lower end of the supporting plate 65, an elastic rotating shaft 67 is mounted at one side of the hanging plate 66, and the elastic rotating shaft 67 is used for supporting the hanging plate 66 to be vertically mounted at a lower end of the supporting plate 65.
After the base fixing structure 2 fixes the lower end of the bolt 3, the support shell 51 falls down, the upper end of the bolt 3 is clamped in the fixed inner groove 52, the upper end of the bolt 3 is fixed through the fixture block 54, the locking function of the bolt 3 is completed, and when the bolt is taken out again, the fixing structure 5 only needs to fall down, the top plate 60 is jacked upwards, the top plate 60 and the lifting ring 58 are in an integral structure, the lifting ring 58 is driven to lift up while jacking, the outer surface of the pushing inclined plane 64 is attached to and limited by the outer side of the upper end limiting plate 57, the upper end limiting plate 57 is pushed to one side, the fixture block 54 is retracted into the installation inner groove 53 through the lever principle, and after the bolt is lifted to the extreme limit position, the top end of the upper end limiting plate 57 is clamped in the positioning clamping groove 59, the positioning operation of the fixture block 54 is realized, and the bolt 3 can conveniently exit from the fixed inner groove 52;
at the moment, the upper end limiting plate 57 is attached to one side of the inner wall of the installation inner groove 53, one side of the fixture block 54 is located at the outlet position of the lower end of the installation inner groove 53, and the supporting plate 65 is perpendicular to the outlet position of the lower end of the installation inner groove 53, when the upper end of the bolt 3 passes through, the outer side of the bolt can be pressed on the upper end of the hanging plate 66, the supporting plate 65 and the hanging plate 66 are pressed downwards, the fixture block 54 is driven to turn towards one side, and the upper end limiting plate 57 is withdrawn out of the positioning clamping groove 59, so that the fixture block 54 is reset, a circulating fixing operation is formed, and the lower end of the bolt 3 is fixed with the base fixing structure 2 through the matching operation of the internal structure of the fixing structure 5;
and support housing 51 only needs to realize through loose axle 9 that the operation of going up and down can accomplish locking and the unblock operation to bolt 3, make the installation of bolt 3 when detecting, increased substantially the fixed convenient degree of device to bolt 3, and the device need not operating personnel and carries out fixed mounting, and be adapted to the fixed mounting of multiple bolt, make bolt 3 when the installation, reduce personnel's interference operation in a large number, thereby realized the convenient installation of bolt 3, and avoid the safety problem that manual contact caused.
Example 9
The present embodiment is an improvement made on the basis of embodiment 8, and specifically, referring to fig. 1 to 8, the buffer structure 7 includes an energy absorbing housing 71, an impact support shaft 72, a second spring 73, and a pressure chamber 74, the energy absorbing housing 71 is internally provided with the pressure chamber 74, the impact support shaft 72 is installed inside the pressure chamber 74, the second spring 73 is installed outside the energy absorbing housing 71 and the impact support shaft 72, the top end of the impact support shaft 72 is provided with a seal ring 75, the second spring 73 is used for providing an elastic effect for the energy absorbing housing 71 and the impact support shaft 72, and the pressure chamber 74 is internally filled with oil.
When the bolt 3 is broken or in other states, the tension generated inside the bolt is large, and after the bolt is broken, the movable shaft 9 can be retracted to generate large vibration to influence the operation of the internal structure of the device;
when the fracture occurs, instantaneous impact force is generated, the impact force directly acts on the fixing structure 5 and is transmitted into the impact support shaft 72 through the fixing structure 5, when the impact support shaft 72 retracts, the impact force is counteracted through the elastic effect generated by the second spring 73, the intensity of the impact force is weakened, and meanwhile, the sealing ring 75 provides a sealing condition for the top end of the impact support shaft 72, so that a pressure support function can be provided for the device again.
Example 10
The present embodiment is an improvement made on the basis of embodiment 9, and specifically, please refer to fig. 1 to 8, two rows of sealing outer rings 76 are installed outside the sealing ring 75, an attaching seat 77 located outside the sealing ring 75 is installed between the two sealing outer rings 76, a buffering sealing sheet 78 is installed outside the attaching seat 77, and a gap exists between one end of the sealing outer ring 76 and the inner wall of the pressure chamber 74.
When the sealing ring 75 is impacted and thrust and is extruded upwards, the pressurizing operation is performed on oil in the inner space of the pressure cavity 74, and after the oil in the pressure cavity 74 is pressurized, the oil can flow to the lower end of the sealing ring 75 along a gap between the outer sealing ring 76 and the pressure cavity 74, and when the oil flows, the impact force generated by the impact support shaft 72 acts in the sealing ring 75, and then the inner space of the pressure cavity 74 is pressurized by the sealing ring 75, so that the pressure is converted into outward flowing power of the oil in the pressure cavity 74, the flowing speed of the oil is higher, the supported pressure is smaller, the sealing force which can be supported is formed between the two outer sealing rings 76 through the buffer plate 78, but the buffer plate 78 has a certain elastic effect, the flow speed of the oil is slowed down when the oil passes through the buffer plate, the oil pressure is increased, the impact force which can be born by the impact support shaft 72 is further increased, and the sealing plate in the device has a sealing plate buffer oil buffer mode, and secondary damage caused by quick rebound of the impact support shaft 72 can be avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are 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.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides an inflation screw test machine, is including detecting base fixed knot structure (2) of box (1) and detection box (1) one side, its characterized in that: base fixed knot constructs (2) including supporting shell body (21), spacing casing (22), interior pneumatic cylinder (23), support go up base (24), side mount (25) and hydraulic pressure interior axle (26), support shell body (21) and be located the upper end of detection box (1) inner wall, it has interior pneumatic cylinder (23) to support shell body (21) internally mounted, the internally mounted of interior pneumatic cylinder (23) has interior axle (26) of hydraulic pressure, the upper end of axle (26) is equipped with supports and goes up base (24) in the hydraulic pressure, the outside annular array that supports and go up base (24) has four side mounts (25), the axle center position that supports and go up base (24) is equipped with spacing kerve (30), bolt (3) are installed to the upper end of spacing kerve (30), sleeve pipe (4) are installed in the outside of bolt (3), hydraulic cylinder body (8) are installed to the upper end of base fixed knot structure (2), the internally mounted of hydraulic cylinder body (8) has loose axle (9), buffer structure (7) are installed to the lower extreme of loose axle (9), fixed knot constructs (5) are installed to the lower extreme of buffer structure (7).
2. The expansion screw testing machine according to claim 1, wherein: piston (27) are installed to the lower extreme of axle (26) in the hydraulic pressure, piston (27) are used for supporting the location in pneumatic cylinder (23) in the axle (26) in the hydraulic pressure, the upper end of supporting shell body (21) is equipped with spacing casing (22), spacing casing (22) are used for contracting side mount (25), feed liquor pipe (32) are installed in the outside of interior pneumatic cylinder (23), the inside packing of interior pneumatic cylinder (23) has hydraulic oil.
3. The expansion screw testing machine according to claim 2, wherein: the inner wall of side mount (25) is equipped with arc laminating groove (28), the lower extreme of side mount (25) inner wall is equipped with fixed hypotenuse (31), fixed hypotenuse (31) are used for the lower extreme of spacing sleeve pipe (4).
4. The expansion screw testing machine according to claim 3, wherein: the inner wall of the arc-shaped fitting groove (28) is provided with a friction conical strip (29), and the friction conical strip (29) is used for increasing the friction force between the side fixing frame (25) and the outer surface of the sleeve (4).
5. The expansion screw testing machine according to claim 4, wherein: the fixing structure (5) comprises a supporting shell (51), a fixing inner groove (52), an installing inner groove (53), a clamping block (54), an inward pushing inclined plane (55) and a rotating shaft (56), wherein the upper surface of the supporting shell (51) is used for being fixed with the lower surface of the buffer structure (7), the fixing inner groove (52) is arranged inside the supporting shell (51), the installing inner groove (53) is further arranged inside the supporting shell (51), the clamping block (54) is installed inside the installing inner groove (53), the inward pushing inclined plane (55) is arranged on one side of the clamping block (54), the rotating shaft (56) is installed inside the clamping block (54), and the rotating shaft (56) is used for fixing the clamping block (54) in the installing inner groove (53).
6. The expansion screw testing machine according to claim 5, wherein: the upper end of fixture block (54) is equipped with upper end limiting plate (57), lifting ring (58) are still installed to the inside of installation inside groove (53), lifting ring (58) outside is equipped with promotes inclined plane (64), promote inclined plane (64) be used for with pass upper end limiting plate (57) upper end position, bullet tongue (62) are installed to one side of upper end limiting plate (57), bullet tongue (62) are used for providing the elastic action for upper end limiting plate (57).
7. The expansion screw testing machine according to claim 6, wherein: the inner side of the fixed inner groove (52) is provided with a top plate (60), the upper end of the top plate (60) is provided with a first spring (61), the outer side of the top plate (60) is provided with a support rod (63), and the support rod (63) is used for fixing the outer side of the top plate (60) and the inner wall of the lifting ring (58).
8. The expansion screw testing machine according to claim 7, wherein: the lower extreme that promotes inclined plane (64) is equipped with positioning groove (59) that are located lift ring (58), the top of upper end limiting plate (57) is used for the card in positioning groove (59), the inside of fixture block (54) is equipped with interior cavity (68), backup pad (65) are installed to the inboard of interior cavity (68), link plate (66) are installed to the lower extreme of backup pad (65), one side-mounting of link plate (66) has elasticity pivot (67), elasticity pivot (67) are used for supporting link plate (66) and install the lower extreme at backup pad (65) perpendicularly.
9. The expansion screw testing machine according to claim 8, wherein: buffer structure (7) include energy-absorbing casing (71), impact back shaft (72), second spring (73), pressure chamber (74), the inside of energy-absorbing casing (71) is equipped with pressure chamber (74), the internally mounted of pressure chamber (74) has impact back shaft (72), second spring (73) are installed with the outside of impacting back shaft (72) in energy-absorbing casing (71), sealing ring (75) are installed on the top of impacting back shaft (72), second spring (73) are used for energy-absorbing casing (71) and impact back shaft (72) to provide the elastic effect, the inside of pressure chamber (74) is full of fluid.
10. The expansion screw testing machine according to claim 9, wherein: two rows of sealing outer rings (76) are installed in the outside of sealing ring (75), two install between sealing outer ring (76) and be located laminating seat (77) in sealing ring (75) outside, the outside of laminating seat (77) is equipped with buffering gasket (78), there is the gap between the inner wall of the one end of sealing outer ring (76) and pressure chamber (74).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211184561.2A CN115575215B (en) | 2022-09-27 | 2022-09-27 | Expansion screw testing machine |
| GBGB2302471.4A GB202302471D0 (en) | 2022-09-27 | 2023-02-22 | Test device for expansion screw and anchor bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211184561.2A CN115575215B (en) | 2022-09-27 | 2022-09-27 | Expansion screw testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115575215A true CN115575215A (en) | 2023-01-06 |
| CN115575215B CN115575215B (en) | 2023-07-21 |
Family
ID=84583320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211184561.2A Active CN115575215B (en) | 2022-09-27 | 2022-09-27 | Expansion screw testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115575215B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1213968A (en) * | 1958-12-04 | 1960-04-05 | Automatic device for installing profiled clamps for fixing electric wires or other applications | |
| JPH0639307U (en) * | 1992-10-26 | 1994-05-24 | 重三 前川 | Chuck device that combines parallel sliding chuck claw holder and wedge type chuck claw of material testing machine |
| US20050029214A1 (en) * | 2003-08-05 | 2005-02-10 | Howard Sommerfeld | High capacity draft gear |
| KR101542457B1 (en) * | 2015-06-02 | 2015-08-12 | 최창호 | Mold Locking Device For Centrifugal Casting Machine |
| CN107179235A (en) * | 2017-04-25 | 2017-09-19 | 中国地质大学（武汉） | It is a kind of that fixing device and method that Multiple Shape irregular structure interviews sample are installed |
| WO2017161962A1 (en) * | 2016-03-25 | 2017-09-28 | 张子豹 | V-shaped universal expansion bolt |
| CN109826092A (en) * | 2019-03-20 | 2019-05-31 | 青海民族大学 | A kind of shock-absorbing bridge support |
| CN209690066U (en) * | 2018-12-27 | 2019-11-26 | 贵州理工学院 | A kind of material physical property detection device |
| CN214894021U (en) * | 2021-06-29 | 2021-11-26 | 余姚法思德五金有限公司 | Expansion screw fastening detector |
| CN114295469A (en) * | 2022-01-24 | 2022-04-08 | 浙江省交通运输科学研究院 | Annular clamping device for pipe tensile test and using method |
-
2022
- 2022-09-27 CN CN202211184561.2A patent/CN115575215B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1213968A (en) * | 1958-12-04 | 1960-04-05 | Automatic device for installing profiled clamps for fixing electric wires or other applications | |
| JPH0639307U (en) * | 1992-10-26 | 1994-05-24 | 重三 前川 | Chuck device that combines parallel sliding chuck claw holder and wedge type chuck claw of material testing machine |
| US20050029214A1 (en) * | 2003-08-05 | 2005-02-10 | Howard Sommerfeld | High capacity draft gear |
| KR101542457B1 (en) * | 2015-06-02 | 2015-08-12 | 최창호 | Mold Locking Device For Centrifugal Casting Machine |
| WO2017161962A1 (en) * | 2016-03-25 | 2017-09-28 | 张子豹 | V-shaped universal expansion bolt |
| CN107179235A (en) * | 2017-04-25 | 2017-09-19 | 中国地质大学（武汉） | It is a kind of that fixing device and method that Multiple Shape irregular structure interviews sample are installed |
| CN209690066U (en) * | 2018-12-27 | 2019-11-26 | 贵州理工学院 | A kind of material physical property detection device |
| CN109826092A (en) * | 2019-03-20 | 2019-05-31 | 青海民族大学 | A kind of shock-absorbing bridge support |
| CN214894021U (en) * | 2021-06-29 | 2021-11-26 | 余姚法思德五金有限公司 | Expansion screw fastening detector |
| CN114295469A (en) * | 2022-01-24 | 2022-04-08 | 浙江省交通运输科学研究院 | Annular clamping device for pipe tensile test and using method |
Non-Patent Citations (1)
| Title |
|---|
| 蔡祖光: "砖瓦工厂使用膨胀螺栓和化学锚栓时应注意的问题" * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115575215B (en) | 2023-07-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104912873B (en) | A kind of lateral force loading device of the hydraulic cylinder of simulated condition | |
| CN210243147U (en) | Constant-force hanger on-site load test structure | |
| CN206785922U (en) | One kind subtracts the liftable frame of textile machine of pillow formula | |
| CN115575215A (en) | Expansion screw test machine | |
| CN207593690U (en) | A kind of novel main shaft bearing replacer for being easily installed and dismantling | |
| CN212375919U (en) | Static load test device for pile foundation detection | |
| CN209532631U (en) | A kind of universal planetary wheel of wind turbine gearbox bearing removal equipment | |
| CN219348747U (en) | Ultrasonic flaw detection device for high-temperature pressure pipeline | |
| CN221199272U (en) | Portable composite material emission cylinder vertical water pressure testing device | |
| CN220794905U (en) | Airbag deformation detection device of airbag shock absorber | |
| CN220729149U (en) | Impeller detects instrument | |
| CN109693098A (en) | A kind of universal planetary wheel of wind turbine gearbox bearing removal equipment | |
| CN205826281U (en) | A kind of semifloating axle shaft rotary bending fatigue bench test device | |
| CN212683802U (en) | Coupler dismounting device | |
| CN113820120B (en) | Falling protector testing arrangement | |
| CN220444828U (en) | Pipeline expansion device for overhauling steam turbine | |
| CN211292346U (en) | Modularization steel wire swivel nut strength test device | |
| CN219827350U (en) | Hydraulic cylinder inspection device | |
| CN221224397U (en) | Head deformation test equipment | |
| CN208342734U (en) | A kind of cap-mounting machine driver plate disassembling apparatus | |
| CN213749071U (en) | Wind power bearing simulation testing machine | |
| CN214604136U (en) | Special assembly and disassembly tools of rolling mill AGC hydro-cylinder magnetic scale | |
| CN219901996U (en) | Hydroelectric set stator turning arm shear pin extracting tool | |
| CN110397095B (en) | Pile foundation bearing capacity detection system and method | |
| CN221857634U (en) | Mechanical sealing equipment convenient to maintain |
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 |