CN113405429B - Inside and outside footpath test fixture - Google Patents
Inside and outside footpath test fixture Download PDFInfo
- Publication number
- CN113405429B CN113405429B CN202110892101.4A CN202110892101A CN113405429B CN 113405429 B CN113405429 B CN 113405429B CN 202110892101 A CN202110892101 A CN 202110892101A CN 113405429 B CN113405429 B CN 113405429B
- Authority
- CN
- China
- Prior art keywords
- rod
- diameter test
- outer diameter
- fixed
- test rod
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 228
- 230000001154 acute effect Effects 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000007789 sealing Methods 0.000 abstract description 24
- 238000005259 measurement Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 12
- 230000005484 gravity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/08—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters
- G01B5/12—Measuring arrangements characterised by the use of mechanical techniques for measuring diameters internal diameters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The embodiment of the invention discloses an inner and outer diameter test tool, which comprises the following components: the device comprises a fixed disc, a fixed piece, a supporting rod, an inner diameter test rod, a first outer diameter test rod and a second outer diameter test rod; the top surface of the fixed disc is fixed with a fixed piece, and the middle part of the bottom surface of the fixed disc is vertically inserted with a supporting rod; the inner diameter test rod passes through the fixing disc and is obliquely fixed on the fixing piece, and the included angle between the inner diameter test rod and the support rod is an acute angle; the inner diameter test rods are multiple and uniformly distributed on the fixed disc; the first outer diameter test rod and the middle part of the second outer diameter test rod are fixed in a crossing way, and the first outer diameter test rod and the second outer diameter test rod are slidably fixed on the support rod; the inner diameter test rod and the outer diameter test rod are marked with scales on the surfaces. The inner diameter and the outer diameter of the sealing circular pad can be measured simultaneously, so that the measurement accuracy is ensured.
Description
Technical Field
The invention relates to the field of inner diameter and outer diameter measurement, in particular to an inner diameter and outer diameter testing tool.
Background
The sealing gaskets used for sealing are large in number and different in specification, the sizes of the sealing gaskets comprise an inner diameter, an outer diameter and a thickness of the sealing gaskets, and the acceptance requirement is consistent with that of an O-shaped ring.
Since the O-ring dimensions include inner diameter, cross-sectional diameter, the cross-sectional diameter can be measured with a thickness gauge. The prior patent generally only comprises an inner diameter testing device, but is usually special optical automatic testing equipment, and has higher price; manual test equipment has certain limit on the test range or cannot be directly read.
The sealing round pad has the dimensions of inner diameter, outer diameter and thickness, only the thickness can be measured by a thickness meter, and the testing state is a natural non-stressed state, so that the inner diameter and outer diameter testing tool is required to be designed to meet the dimension requirement. Most of the current patents cannot realize the simultaneous testing of the inner diameter and the outer diameter, and the equipment capable of simultaneously testing the inner diameter and the outer diameter has certain limit on the testing range or cannot directly read.
Aiming at the problem that the inner diameter and the outer diameter cannot be measured simultaneously in the prior art, no effective solution exists at present.
Disclosure of Invention
In order to solve the problems, the invention provides an inner diameter and outer diameter testing tool, which is provided with an inner diameter testing rod and an outer diameter testing rod which are fixed together, and when a sealing circular pad falls down, the inner diameter and the outer diameter of the sealing circular pad are measured at the same time, so that the problem that the inner diameter and the outer diameter cannot be measured at the same time in the prior art is solved.
In order to achieve the above purpose, the present invention provides an inside and outside diameter test tool, comprising: the device comprises a fixed disc, a fixed piece, a supporting rod, an inner diameter test rod, a first outer diameter test rod and a second outer diameter test rod; the top surface of the fixed disc is fixed with a fixed piece, and the middle part of the bottom surface of the fixed disc is vertically inserted with a supporting rod; the inner diameter test rod passes through the fixing disc and is obliquely fixed on the fixing piece, and the included angle between the inner diameter test rod and the support rod is an acute angle; the inner diameter test rods are multiple and uniformly distributed on the fixed disc; the first outer diameter test rod and the middle part of the second outer diameter test rod are fixed in a crossing way, and the first outer diameter test rod and the second outer diameter test rod are connected to the support rod in a sliding way; the inner diameter test rod and the outer diameter test rod are marked with scales on the surfaces.
Further optionally, the first outer diameter test stick includes a first connector and an outer diameter sub-test stick; the outer diameter sub-test rod is fixed at two ends of the first connecting piece; the second outer diameter test rod comprises a second connecting piece and the outer diameter sub test rod; the two ends of the second connecting piece are fixed with the outer diameter sub-test rod; and a through hole is formed in the middle of the second connecting piece, and the first connecting piece passes through the through hole and is vertically fixed with the second connecting piece.
Further optionally, the outer diameter sub-test rod includes a first telescopic rod, a second telescopic rod and a third telescopic rod; the first telescopic rod is hollow and is provided with an opening at one end, a first limiting block is arranged on the top of the inner surface of the first telescopic rod, which is close to the opening, and the second telescopic rod is arranged in the first telescopic rod; the second telescopic rod is hollow and is provided with an opening at one end, a first sliding block is arranged at the bottom of the outer surface of the first telescopic rod, which is close to the tail end, so that the second telescopic rod slides in the first telescopic rod, a second limiting block is arranged at the top of the second telescopic rod and is used for being matched with the first limiting block to position the second telescopic rod, a third limiting block is arranged on the top of the inner surface of the first telescopic rod, which is close to the opening, and a third telescopic rod is arranged in the second telescopic rod; the outer surface of the third telescopic link is close to the bottom of the tail end position and is provided with a second sliding block, so that the third telescopic link slides in the second telescopic link, and the top is provided with a fourth limiting block used for being matched with the third limiting block to position the first telescopic link.
Further optionally, two ends of the first connecting piece are opened, two ends of the opening are respectively an upper opening edge and a lower opening edge which are tilted outwards, and a telescopic structure is fixed in the opening; the telescopic structure comprises a first rivet, a second rivet, a connecting ring and a spring; the first rivet and the second rivet are of an I-shaped structure; the connecting ring is hollow and is provided with openings at two ends, and the width of the hollow part is larger than the length of the two ends of the pin; one end of the first rivet sequentially penetrates through the upper edge of the opening and one end of the connecting ring to be opened, the first rivet is clamped in the connecting ring, and the other end of the first rivet is clamped on the outer surface of the upper edge of the opening; one end of the second rivet sequentially penetrates through the lower edge of the opening and the opening at the other end of the connecting ring, is clamped in the connecting ring, and the other end of the second rivet is clamped on the outer surface of the lower edge of the opening; the spring is sleeved on the outer surface of the connecting ring, one end of the spring is propped against the inner surface of the upper edge of the opening, and the other end of the spring is propped against the inner surface of the lower edge of the opening.
Further optionally, a hollow clamping groove is formed at one end, connected with the first connecting rod, of the outer diameter sub-test rod; the upper edge of the opening and the lower edge of the opening are clamped into the hollow clamping groove after being compressed, so that the outer diameter test rod and the first connecting rod are fixed.
Further optionally, the inner diameter test rod includes a clamping member, the clamping member is disposed at a position where the inner diameter test rod is close to the fixed end of the inner diameter test rod, and the clamping member is connected with the fixing member, so that the inner diameter test rod is fixed relative to the fixing disc.
Further optionally, the fixing piece is one and is fixed in the middle of the top surface of the fixing disc; the fixing piece comprises a base and four clamping grooves uniformly fixed on the base, wherein the four clamping grooves are obliquely arranged, and the vertexes are all midpoints of the base; the clamping piece is triangular and is fixed by a screw after being inserted into the clamping groove; or the number of the fixing pieces is four, the fixing pieces are fixed on the top surface of the fixing disc and far away from the center of the circle, and the fixing pieces are uniformly distributed on the fixing disc; a vertical clamping groove is formed in the middle of the fixing piece; the clamping piece is long-strip-shaped, one end of the clamping piece is connected with the fixed end of the inner diameter test rod, and the other end of the clamping piece is clamped in the vertical clamping groove.
Further optionally, the device further comprises a speed reducing mechanism; the speed reducing mechanism comprises a supporting frame, steel wires, pulleys and a speed reducing block; the supporting frame is hung with a plurality of pulleys, and the steel wires are sequentially hung on the pulleys; and one end of the steel wire penetrates through the middle part of the outer diameter test rod to be connected with the deceleration block.
Further optionally, the supporting rod is provided with a plurality of pin holes for inserting a limit pin to block the outer diameter test rod from falling.
Further optionally, the acute angle is 30 ° to 45 °.
The technical scheme has the following beneficial effects: the inner diameter and outer diameter testing tool is arranged, the inner diameter and the outer diameter of the sealing circular pad can be measured simultaneously, the measurable size range of the tool can be adjusted according to requirements, and the measurement requirements of the sealing circular pad with various sizes are met.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural diagram of an inside and outside diameter test fixture provided by an embodiment of the invention;
FIG. 2 is a schematic side view of an outer diameter test lever according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of an outer diameter subtest rod according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a first connecting member according to an embodiment of the present invention;
FIG. 5 is a schematic side view of a first connector according to an embodiment of the present invention;
FIG. 6 is a schematic view of a first rivet according to an embodiment of the present invention;
FIG. 7 is a schematic view of a connecting ring according to an embodiment of the present invention;
FIG. 8 is a schematic side view of an outer diameter subtest rod according to an embodiment of the present invention;
FIG. 9 is an enlarged view of the top structure of the inside and outside diameter test fixture provided by the embodiment of the invention;
FIG. 10 is a schematic structural view of a fixing member according to an embodiment of the present invention;
FIG. 11 is a schematic structural view of a fixed disk according to an embodiment of the present invention;
FIG. 12 is a schematic view of a card-loading structure according to an embodiment of the present invention;
FIG. 13 is a schematic view of an assembled fixing member and a fixing plate according to another embodiment of the present invention;
FIG. 14 is a schematic view of a card loading structure according to another embodiment of the present invention;
fig. 15 is a schematic structural view of a reduction mechanism according to an embodiment of the present invention;
Fig. 16 is a schematic structural diagram of an inner and outer diameter test fixture according to another embodiment of the present invention.
Reference numerals: 1-fixed disk 101-45 ° inclined surface fixing piece 201-base 202-vertical clamping groove 3-inner diameter fixing piece 401-first outer diameter fixing piece 5-first connecting piece 5011-first connecting piece 5012-first rivet 5015-second rivet 6-second connecting piece 6-second outer diameter fixing piece 601-first limiting block 702-second limiting block 7021-third limiting block 7023-third limiting block 7031-second sliding block 8-hollow clamping groove 11-steel wire speed reducing block 11-first connecting piece
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.
The invention provides an inside and outside diameter test fixture, as shown in figure 1, comprising: the device comprises a fixed disc 1, a fixed piece 2, a supporting rod 3, an inner diameter test rod 4, a first outer diameter test rod 5 and a second outer diameter test rod 6; the top surface of the fixed disc 1 is fixed with a fixed piece 2, and the middle part of the bottom surface of the fixed disc 1 is vertically inserted with a supporting rod 3; the inner diameter test rod 4 passes through the fixing disc 1 and is obliquely fixed on the fixing piece 2, and the included angle between the inner diameter test rod 4 and the support rod 3 is an acute angle; the inner diameter test rods 4 are multiple, and the inner diameter test rods 4 are uniformly distributed on the fixed disc 1; the first outer diameter test rod 5 and the middle part of the second outer diameter test rod 6 are fixed in a crossing way, and the first outer diameter test rod 5 and the second outer diameter test rod 6 are slidably connected to the support rod 3; the inner diameter test rod 4 and the outer diameter test rod are marked with scales.
As shown in fig. 1, in the present embodiment, the inside diameter test bars 4 are provided in four, and one inside diameter test bar 4 is provided on the fixed disk 1 at every 90 °. The top of fixed disk 1 is provided with mounting 2, and internal diameter test rod 4 one end passes fixed disk 1 slope and fixes on mounting 2, makes four internal diameter test rods 4 all fix on mounting 2 with the same inclination angle, guarantees sealed circular cushion and can steadily slide on internal diameter test rod 4.
A supporting rod 3 is fixedly connected to the bottom surface of the middle part of the fixed disc 1, and the supporting rod 3 is perpendicular to the fixed disc 1. The two outer diameter test bars are slidably connected to the support bar 3, the first outer diameter test bar 5 penetrates through the middle of the second outer diameter test bar 6 to be fixed, the first outer diameter test bar 5 and the second outer diameter test bar 6 are mutually perpendicular, and the middle connecting position is slidably fixed to the support bar 3, so that the first outer diameter test bar 5 and the second outer diameter test bar 6 can slide down simultaneously. The first outer diameter test rod 5 and the second outer diameter test rod 6 are both in a horizontal state when in use, so that the sealing round pad can keep a horizontal state and stably fall. When the sealing round pad falls from the top, the outer diameter test rod falls under the pressure of the sealing round pad. In the testing process, if the sealing round pad falls to a certain position and does not fall any more, the reading of the inner diameter test rod 4 and the reading of the outer diameter test rod at the stopping position of the sealing round pad are recorded, so that the inner diameter data and the outer diameter data of the sealing round pad can be obtained simultaneously, and the problem that the inner diameter and the outer diameter of the sealing round pad cannot be measured simultaneously in the prior art is solved.
As an alternative implementation manner, fig. 2 is a schematic side view of an outer diameter test rod provided in the embodiment of the present invention, as shown in fig. 2, where the first outer diameter test rod 5 includes a first connector 501 and an outer diameter subtest rod 7; the two ends of the first connecting piece 501 are fixed with the outer diameter sub-test rod 7; the second external diameter test rod 6 comprises a second connecting piece 601 and the external diameter subtest rod 7; the two ends of the second connecting piece 601 are fixed with the outer diameter sub-test rod 7; the middle part of the second connecting piece 601 is provided with a through hole, and the first connecting piece 501 passes through the through hole and is vertically fixed with the second connecting piece 601.
As shown in fig. 2, the first external diameter test lever 5 is composed of a first connector 501 and external diameter subtest levers 7 connected to both ends of the first connector 501. Similarly, the second external diameter test lever 6 is composed of a second connector 601 and external diameter subtest levers 7 connected to both ends of the second connector 601. During installation, the first connecting piece 501 passes through the through hole of the second connecting piece 601, so that the first connecting piece 501 and the second connecting piece 601 are clamped, and the first connecting piece 501 and the second connecting piece 601 are in a vertical state. After that, the outer diameter sub test bars 7 are fixed at both ends of the first connector 501 and both ends of the second connector 601 to complete the assembly of the first outer diameter test bar 5 and the second outer diameter test bar 6. As an alternative embodiment, the second connector 601 is connected to the outer diameter sub test bars 7 at both ends by screws.
Before measurement, the first outer diameter test rod 5 and the second outer diameter test rod 6 are pushed to the top end of the support rod 3.
As an alternative implementation manner, fig. 3 is a schematic structural diagram of an outer diameter subtest rod 7 provided in the embodiment of the present invention, as shown in fig. 3, the outer diameter subtest rod 7 includes a first telescopic rod 701, a second telescopic rod 702, and a third telescopic rod 703; the first telescopic rod 701 is hollow and has an opening at one end, a first limiting block 7011 is arranged on the top of the inner surface of the first telescopic rod 701, which is close to the opening position, and the second telescopic rod 702 is arranged inside the first telescopic rod 701; the second telescopic rod 702 is hollow and has an opening at one end, a first sliding block 7022 is arranged at the bottom of the outer surface of the first telescopic rod 701 near the tail end position, so that the second telescopic rod 702 slides inside the first telescopic rod 701, a second limiting block 7021 is arranged at the top of the second telescopic rod, the second limiting block 7021 is used for being matched with the first limiting block 7011 to position the second telescopic rod 702, a third limiting block 7023 is arranged at the top of the inner surface of the first telescopic rod 701 near the opening position, and a third telescopic rod 703 is arranged inside the second telescopic rod 702; the bottom of the outer surface of the third telescopic rod 703 near the tail end is provided with a second sliding block 7032, so that the third telescopic rod 703 slides inside the second telescopic rod 702, and the top is provided with a fourth limiting block 7031 for positioning the first telescopic rod 701 in cooperation with the third limiting block 7023.
As shown in fig. 3, in order to meet the measurement requirements of sealing gaskets with different sizes, the outer diameter subtest rod 7 is of a telescopic structure. The basic state is a state in which only the first telescopic link 701 is provided, and in this state, the third telescopic link 703 is housed in the second telescopic link 702, and the second telescopic link 702 is housed in the first telescopic link 701. When the second telescopic rod 702 and the third telescopic rod 703 are retracted, the free ends of the first telescopic rod 701, the second telescopic rod 702 and the third telescopic rod 703 are flush.
The other state is a state in which the second telescopic rod 702 is extended, in which the third telescopic rod 703 is accommodated inside the second telescopic rod 702, the second telescopic rod 702 has the scale portion extending entirely out of the first telescopic rod 701, and the start scale of the second telescopic rod 702 is continuous with the end scale of the first telescopic rod 701. In addition, the free end of the second telescopic link 702 in this state is flush with the free end of the third telescopic link 703.
The third state is a state in which the second telescopic link 702 and the third telescopic link 703 are extended, in which the second telescopic link 702 includes the scale portion extending entirely out of the first telescopic link 701, the third telescopic link 703 includes the scale portion extending entirely out of the second telescopic link 702, and the start scale of the second telescopic link 702 is continuous with the end scale of the first telescopic link 701, and the start scale of the third telescopic link 703 is continuous with the end scale of the second telescopic link 702.
The first telescopic rod 701 is open at one end and hollow inside. The inner space of the first telescopic rod 701 is used for accommodating the second telescopic rod 702, and a first limiting block 7011 is fixed at the top of the position, close to the opening, of the inner surface of the first telescopic rod 701. The outer surface of the first telescoping rod 701 is graduated.
The second telescopic rod 702 is open at one end and hollow at the inside. The inner space of the second telescopic rod 702 is used for accommodating the third telescopic rod 703, the top of the outer surface of the inner space, which is close to the tail end, is provided with a second limiting block 7021, and when the second telescopic rod 702 is pulled out of the first telescopic rod 701, the first limiting block 7011 blocks the second limiting block 7021, so that the second telescopic rod 702 cannot extend out of the first telescopic rod 701 continuously, and the second telescopic rod 702 is positioned. A first sliding block 7022 is arranged at the bottom of the outer surface of the second telescopic rod 702, and the first sliding block 7022 facilitates the second telescopic rod 702 to slide back and forth inside the first telescopic rod 701. In addition, a third stopper 7023 is fixed to the top of the inner surface of the second telescopic link 702 near the opening position. The outer surface of the second telescoping rod 702 is graduated.
The third telescopic rod 703 is accommodated inside the second telescopic rod 702, and a fourth limiting block 7031 is arranged on the outer surface of the third telescopic rod 703 near the top of the tail end position, and when the third telescopic rod 703 is pulled out of the second telescopic rod 702, the third limiting block 7023 blocks the fourth limiting block 7031, so that the third telescopic rod 703 cannot extend out of the second telescopic rod 702 continuously, and the third telescopic rod 703 is positioned. A second sliding block 7032 is arranged at the bottom of the outer surface of the third telescopic rod 703, and the second sliding block 7032 facilitates the third telescopic rod 703 to slide back and forth inside the second telescopic rod 702.
As an alternative implementation manner, fig. 4 is a schematic structural diagram of a first connecting piece 501 provided by the embodiment of the present invention, as shown in fig. 4, two ends of the first connecting piece 501 are opened, two ends of the opening are respectively an opening upper edge 5011 and an opening lower edge 5012 which are tilted outwards, and a telescopic structure is fixed in the opening; the telescoping structure includes a first rivet 5015, a second rivet 5016, a connecting ring 5013, and a spring 5014; the first rivet 5015 and the second rivet 5016 are both in an I-shaped structure; the connecting ring 5013 is hollow and has two open ends, and the width of the hollow part is larger than the length of the two ends of the pin; one end of the first rivet 5015 sequentially passes through the opening upper edge 5011 and one end of the connecting ring 5013 to be opened, and is clamped in the connecting ring 5013, and the other end is clamped on the outer surface of the opening upper edge 5011; one end of the second rivet 5016 sequentially passes through the opening lower edge 5012 and the opening at the other end of the connecting ring 5013, and is clamped inside the connecting ring 5013, and the other end is clamped on the outer surface of the opening lower edge 5012; the spring 5014 is sleeved on the outer surface of the connecting ring 5013, one end of the spring abuts against the inner surface of the upper edge 5011 of the opening, and the other end of the spring abuts against the inner surface of the lower edge 5012 of the opening.
As shown in fig. 4, the openings at two ends of the first connecting piece 501 are provided with telescopic structures. Fig. 5 is a schematic side view of a first connecting member 501 according to an embodiment of the present invention, as shown in fig. 4 and 5, in this embodiment, the telescopic structure is composed of a connecting ring 5013, a first rivet 5015, a second rivet 5016, and a spring 5014. Fig. 6 is a schematic structural diagram of a first rivet 5015 according to an embodiment of the present invention, as shown in fig. 6, the first rivet 5015 has an "i" shape, and the second rivet 5016 has the same structure as the first rivet 5015, but also has an "i" shape. Fig. 7 is a schematic structural diagram of a connecting ring 5013 according to an embodiment of the present invention, and as shown in fig. 7, the connecting ring 5013 has a structure with two open ends and a hollow interior. One end of the first rivet 5015 passes through the upper edge 5011 of the opening and the opening at the upper end of the connecting ring 5013 to be clamped in the connecting ring 5013, and the other end is clamped on the outer surface of the opening edge; one end of the second rivet 5016 passes through the opening lower edge 5012 and the opening at the lower end of the connecting ring 5013 and is clamped inside the connecting ring 5013, and the other end is clamped on the outer surface of the opening lower edge 5012. In addition, the spring 5014 is sleeved outside the connecting ring 5013, one end of the spring is arranged to abut against the inner surface of the opening upper edge 5011, and the other end abuts against the inner surface of the opening lower edge 5012.
In practical application, the upper edge 5011 of the opening and the lower edge 5012 of the opening are compressed simultaneously to compress the spring 5014, so that the size of the opening is reduced, and the first connecting piece 501 is convenient for clamping. Wherein, the upper opening edge 5011 and the lower opening edge 5012 are compressed to the two ends of the connecting ring 5013, and are in a limited compressed state.
As an alternative implementation manner, fig. 8 is a schematic side structural diagram of an outer diameter subtest rod 7 provided in the embodiment of the present invention, as shown in fig. 8, a hollow clamping groove 704 is formed at a connection end of the outer diameter subtest rod 7 and the first connecting rod; the upper edge 5011 and the lower edge 5012 of the opening are compressed and then clamped into the hollow clamping groove 704, so that the outer diameter test rod is fixed with the first connecting rod.
As shown in fig. 8, one end of the outer diameter test rod is provided with a hollow clamping groove 704, the hollow clamping groove 704 is shaped like a Chinese character 'tu', and the opening upper edge 5011 and the opening lower edge 5012 of the first connecting piece 501 are compressed to enable one end of the first connecting piece 501 to enter the hollow clamping groove 704, and after the opening upper edge 5011 and the opening lower edge 5012 are released, the opening upper edge 5011 and the opening lower edge 5012 are of a structure tilting towards two sides, so that the hollow clamping groove 704 can be clamped, and the purpose that the two ends of the first connecting piece 501 are connected with the outer diameter test rod 7 is achieved.
As an alternative embodiment, the inner diameter test rod 4 includes a clamping member 401, where the clamping member 401 is disposed at a position where the inner diameter test rod 4 is close to the fixed end of the inner diameter test rod 4, and the clamping member 401 is connected to the fixing member 2, so that the inner diameter test rod 4 is relatively fixed with the fixing disc 1.
The part of the inner diameter test rod 4 passing through the fixing plate 1 is fixed with a clamping piece 401, and the clamping piece 401 is fixed at a position close to the fixed end. The clamping piece 401 is connected to the fixing piece 2, so that the assembly requirement is met.
As an alternative embodiment, the fixing piece 2 is one and is fixed in the middle of the top surface of the fixing disc 1; the fixing piece 2 comprises a base 201 and four clamping grooves 202 uniformly fixed on the base 201, wherein the four clamping grooves 202 are obliquely arranged, and vertexes of the four clamping grooves 202 are all midpoints of the base 201; the clamping piece 401 is triangular, and is fixed by a screw after being inserted into the clamping groove 202; or the number of the fixing pieces 2 is four, the fixing pieces are fixed on the top surface of the fixed disc 1 at the position far away from the circle center, and the fixing pieces are uniformly distributed on the fixed disc 1; a vertical clamping groove 203 is formed in the middle of the fixing piece 2; the clamping piece 401 is in a strip shape, one end of the clamping piece is connected with the fixed end of the inner diameter test rod 4, and the other end of the clamping piece is clamped in the vertical clamping groove 203; wherein, the clamping piece 401 forms a preset angle with the inner diameter test rod 4.
As an alternative implementation manner, fig. 9 is an enlarged view of the top structure of the inside and outside diameter test fixture provided by the embodiment of the present invention, and fig. 10 is a schematic structural view of the fixing element 2 provided by the embodiment of the present invention, and as shown in fig. 9 and fig. 10, the base 201 of the fixing element 2 is fixed in the middle of the fixing disc 1. The number of the clamping grooves 202 is four, and the clamping grooves are arranged in one-to-one correspondence with the four inner diameter test rods 4. The top ends of the four clamping grooves 202 meet at a point, so that the clamping grooves 202 are of an inclined structure. Fig. 11 is a top view of a fixing plate 1 according to an embodiment of the present invention, as shown in fig. 11, the fixing plate 1 is provided with a 45 ° inclined plane through hole 101, and the fixing end of the inner diameter test rod 4 is penetrated by the 45 ° inclined plane through hole 101. Fig. 12 is a schematic structural diagram of a clamping member 401 according to an embodiment of the present invention, as shown in fig. 12, the clamping member 401 is triangular, and a screw hole is provided in the middle, and after an inner diameter test rod 4 passes through a fixing disc 1, the triangular clamping member 401 is fixed on a clamping groove 202 of a fixing member 2, so as to fix the inner diameter test rod 4. As an alternative embodiment, two sides of the inside of the clamping groove 202 of the fixing piece 2 are provided with semicircular clamping grooves, and the semicircular clamping grooves are matched with semicircular protrusions at corresponding positions of the inner diameter test rod 4 to realize clamping of the inner diameter test rod 4. So can be when not using this frock, demolish internal diameter test rod 4 from mounting 2, make internal diameter test rod 4 free fall, conveniently accomodate.
As an alternative implementation manner, fig. 13 is a schematic structural diagram of an assembled fixing piece 2 and a fixing disc 1 according to another embodiment of the present invention, as shown in fig. 13, the fixing pieces 2 are uniformly distributed in four directions of the fixing disc 1, 45 ° inclined through holes 101 are formed in the fixing disc 1, and a fixed end of an inner diameter test rod 4 is penetrated by the 45 ° inclined through holes 101. Fig. 14 is a schematic structural diagram of a clamping member 401 according to another embodiment of the present invention, as shown in fig. 14, the clamping member 401 is in a strip shape, and the strip-shaped clamping member 401 is inserted into the vertical clamping groove 203 to fix the inner diameter test rod 4. The fixing piece 2 and the 45-degree inclined through hole 101 are separated from the fixing piece 2 by a certain distance, so that the inner diameter side rod can be obliquely fixed. As an alternative embodiment, two sides of the inside of the vertical clamping groove 203 are provided with semicircular clamping grooves, and the semicircular clamping grooves are matched with semicircular protrusions at positions corresponding to the inner diameter test rod 4 to realize clamping of the inner diameter test rod 4. So can be when not using this frock, demolish internal diameter test rod 4 from mounting 2, make internal diameter test rod 4 free fall, conveniently accomodate.
As an alternative implementation manner, fig. 15 is a schematic structural diagram of a speed reducing mechanism provided by the embodiment of the present invention, as shown in fig. 15, and further includes a speed reducing mechanism; the speed reducing mechanism comprises a supporting frame 8, a steel wire 11, a pulley 9 and a speed reducing block 10: the supporting frame 8 is hung with a plurality of pulleys 9, and the steel wires 11 are sequentially hung on the pulleys 9; one end of the steel wire 11 penetrates through the middle of the outer diameter test rod to be connected with the speed reducing block 10.
As shown in fig. 15, the speed reducing mechanism includes a plurality of pulleys 9, wherein the pulleys 9 include fixed pulleys and/or movable pulleys, and are connected with the speed reducing block 10 through steel wires 11, and the outer diameter test rod is connected in series with the speed reducing mechanism through the support rod 3, so as to delay the falling speed of the outer diameter test rod and improve the measurement accuracy. As an alternative implementation mode, a through hole for allowing the steel wire 11 to pass through is formed in the middle of the outer diameter test rod, a wire passing block is arranged at the top of the support rod 3, and a wire fixing block is arranged at the bottom of the support rod to prevent the outer diameter test rod from moving.
As an optional implementation manner, the supporting rod 3 is provided with a plurality of pin holes for inserting a limit pin to block the falling of the outer diameter testing rod.
When sealed circular pad stops the whereabouts, external diameter test rod is owing to still gravity effect, consequently can continue to drop, for making external diameter test rod can accurate reading, need move external diameter test rod up through external force until hugging closely sealed circular pad's lower surface, inserts spacing pin in the lower part bracing piece 3 of external diameter test rod in order to prevent the whereabouts trend of external diameter test rod this moment, and then to sealed circular pad's external diameter reading.
As an alternative embodiment, the acute angle is 30 ° to 45 °.
First embodiment: as shown in fig. 1, the inner and outer diameter test fixture comprises a fixing disc 1, a fixing piece 2, a supporting rod 3, an inner diameter test rod 4, a first outer diameter test rod 5 and a second outer diameter test rod 6. The supporting rod 3 is vertically inserted in the middle of the bottom surface of the fixed disc 1, the fixing piece 2 is fixed in the middle of the top surface of the fixed disc 1, four 45-degree inclined plane through holes 101 are uniformly distributed on the circumference of the fixed disc 1, one end of the inner diameter test rod 4 penetrates through the 45-degree inclined plane through holes 101, the triangular clamping piece 401 of the inner diameter test rod 4 is fixed with the clamping groove 202 of the inclined fixing piece 2, and at the moment, the angle between each inner diameter test rod 4 and the supporting rod 3 is 30 degrees. The first external diameter test rod 5 passes through the second external diameter test rod 6 and is vertically fixed, and the middle part of the first external diameter test rod 5 is slidably clamped in the support rod 3, so that the first external diameter test rod 5 and the second external diameter test rod 6 can slide simultaneously. Wherein, internal diameter test rod 4, first external diameter test rod 5 and second external diameter test rod 6 all mark corresponding scale. The inner diameter and outer diameter test tool in the embodiment can measure the sealing circular pad with the inner diameter of 0-phi 350 mm.
The application method of the inner and outer diameter test tool in the embodiment is as follows: before the test, the fixed disk 1 is fixedly connected with the supporting rod 3, and the inner diameter test rod 4 obliquely penetrates through the fixed disk 1. The tip ends of the four inner diameter test bars 4 are aligned to form a point, and then the inner diameter test bars 4 are fixed on the fixing piece 2, and at the moment, the angle between the inner diameter test bars 4 and the support bar 3 is 30 degrees.
According to the approximate size of the round pad to be tested, the limit pin is inserted into the support rod 3, the first outer diameter test rod 5 and the second outer diameter test rod 6 are lifted to the highest position, the round pad to be tested is sleeved outside the inner diameter test rod 4, any round pad to be tested freely falls and drives the first outer diameter test rod 5 and the second outer diameter test rod 6 to fall, and the round pad to be tested keeps a horizontal state to fall until the round pad cannot fall due to gravity due to the combined action of the first outer diameter test rod 5 and the second outer diameter test rod 6, at the moment, the inner diameter can be directly read, the outer diameter test rod slowly falls until the round pad is blocked by the limit pin, and at the moment, the reading of the outer diameter test rod is read.
Specific embodiment II: as shown in fig. 16, compared with the first embodiment, the difference is that the fixing plate 1 in the present embodiment is larger in size, and four fixing members 2 are provided corresponding to the 45 ° inclined surface through holes 101. The inner diameter test rod 4 passes through the 45-degree inclined plane through hole 101, and the strip-shaped clamping piece 401 is fixed with the vertical clamping groove 203 of the fixing piece 2. At this time, the angle of each inner diameter test rod 4 to the support rod 3 was 45 °. The inner diameter and outer diameter testing tool can measure the sealing circular pad with the inner diameter of phi 300-phi 1000 mm.
The application method of the inner and outer diameter test tool in the embodiment is as follows: before the test, the fixed disk 1 is fixedly connected with the supporting rod 3, and the inner diameter test rod 4 obliquely penetrates through the fixed disk 1. Four inside diameter test bars 4 were fixed to the fixing member 2, and at this time, the angle of the inside diameter test bars 4 to the support bar 3 was 45 °.
According to the approximate size of the round pad to be tested, the limit pin is inserted into the support rod 3, the first outer diameter test rod 5 and the second outer diameter test rod 6 are lifted to the highest position, the round pad to be tested is sleeved outside the inner diameter test rod 4, any round pad to be tested freely falls and drives the first outer diameter test rod 5 and the second outer diameter test rod 6 to fall, and the round pad to be tested keeps a horizontal state to fall until the round pad cannot fall due to gravity due to the combined action of the first outer diameter test rod 5 and the second outer diameter test rod 6, at the moment, the inner diameter can be directly read, the outer diameter test rod slowly falls until the round pad is blocked by the limit pin, and at the moment, the reading of the outer diameter test rod is read.
In addition, the measuring range of the tool in the first embodiment is partially overlapped with the measuring range of the tool in the second embodiment, so as to avoid the condition that the bottom end of the test rod is deformed due to the overweight of the sealing circle and the round pad, and influence the test precision, therefore, when the cross section diameter of the sealing circle or the thickness of the round pad exceeds 3mm in specific use, the tool with the measuring range of phi 300-phi 1000mm is selected, and otherwise, the tool with the measuring range of 0-phi 350mm is selected.
The technical scheme has the following beneficial effects: the inner diameter and outer diameter testing tool is arranged, the inner diameter and the outer diameter of the sealing circular pad can be measured simultaneously, the measurable size range of the tool can be adjusted according to requirements, and the measurement requirements of the sealing circular pad with various sizes are met.
The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the invention, and is not meant to limit the scope of the invention, but to limit the invention to the particular embodiments, and any modifications, equivalents, improvements, etc. that fall within the spirit and principles of the invention are intended to be included within the scope of the invention.
Claims (7)
1. Inside and outside footpath test fixture, its characterized in that includes:
The device comprises a fixed disc, a fixed piece, a supporting rod, an inner diameter test rod, a first outer diameter test rod and a second outer diameter test rod;
The top surface of the fixed disc is fixed with a fixed piece, and the middle part of the bottom surface of the fixed disc is vertically inserted with a supporting rod;
the inner diameter test rod passes through the fixing disc and is obliquely fixed on the fixing piece, and the included angle between the inner diameter test rod and the support rod is an acute angle;
the inner diameter test rods are multiple and uniformly distributed on the fixed disc;
the first outer diameter test rod and the middle part of the second outer diameter test rod are fixed in a crossing way, and the first outer diameter test rod and the second outer diameter test rod are connected to the support rod in a sliding way;
the surfaces of the inner diameter test rod and the outer diameter test rod are marked with scales;
the first outer diameter test rod comprises a first connecting piece and an outer diameter sub test rod;
The outer diameter sub-test rod is fixed at two ends of the first connecting piece;
the second outer diameter test rod comprises a second connecting piece and the outer diameter sub test rod;
the two ends of the second connecting piece are fixed with the outer diameter sub-test rod;
A through hole is formed in the middle of the second connecting piece, and the first connecting piece passes through the through hole and is vertically fixed with the second connecting piece;
the outer diameter sub-test rod comprises a first telescopic rod, a second telescopic rod and a third telescopic rod;
The first telescopic rod is hollow and is provided with an opening at one end, a first limiting block is arranged on the top of the inner surface of the first telescopic rod, which is close to the opening, and the second telescopic rod is arranged in the first telescopic rod;
The second telescopic rod is hollow and is provided with an opening at one end, a first sliding block is arranged at the bottom of the outer surface of the first telescopic rod, which is close to the tail end, so that the second telescopic rod slides in the first telescopic rod, a second limiting block is arranged at the top of the second telescopic rod and is used for being matched with the first limiting block to position the second telescopic rod, a third limiting block is arranged on the top of the inner surface of the first telescopic rod, which is close to the opening, and a third telescopic rod is arranged in the second telescopic rod;
A second sliding block is arranged at the bottom of the outer surface of the third telescopic rod close to the tail end position so that the third telescopic rod slides in the second telescopic rod, and a fourth limiting block is arranged at the top of the third telescopic rod and used for being matched with the third limiting block to position the first telescopic rod;
The two ends of the first connecting piece are respectively provided with an opening upper edge and an opening lower edge which are tilted outwards, and a telescopic structure is fixed in the opening;
the telescopic structure comprises a first rivet, a second rivet, a connecting ring and a spring;
The first rivet and the second rivet are of an I-shaped structure;
the connecting ring is hollow and is provided with openings at two ends;
one end of the first rivet sequentially penetrates through the upper edge of the opening and one end of the connecting ring to be opened, the first rivet is clamped in the connecting ring, and the other end of the first rivet is clamped on the outer surface of the upper edge of the opening;
One end of the second rivet sequentially penetrates through the lower edge of the opening and the opening at the other end of the connecting ring, is clamped in the connecting ring, and the other end of the second rivet is clamped on the outer surface of the lower edge of the opening;
The spring is sleeved on the outer surface of the connecting ring, one end of the spring is propped against the inner surface of the upper edge of the opening, and the other end of the spring is propped against the inner surface of the lower edge of the opening.
2. The inside and outside diameter test fixture according to claim 1, wherein:
a hollow clamping groove is formed in one end, connected with the first connecting piece, of the outer diameter sub-test rod;
The upper edge of the opening and the lower edge of the opening are clamped into the hollow clamping groove after being compressed, so that the outer diameter test rod is fixed with the first connecting piece.
3. The inside and outside diameter test fixture according to claim 1, wherein:
The inner diameter test rod comprises a clamping piece, the clamping piece is arranged at the position, close to the fixed end of the inner diameter test rod, and the clamping piece is connected with the fixing piece, so that the inner diameter test rod is fixed relative to the fixing disc.
4. The inside and outside diameter test fixture according to claim 3, wherein:
the fixing piece is one and is fixed in the middle of the top surface of the fixing disc;
the fixing piece comprises a base and four clamping grooves uniformly fixed on the base, wherein the four clamping grooves are obliquely arranged, and the vertexes are all midpoints of the base;
the clamping piece is triangular and is fixed by a screw after being inserted into the clamping groove;
or the number of the fixing pieces is four, the fixing pieces are fixed on the top surface of the fixing disc and far away from the center of the circle, and the fixing pieces are uniformly distributed on the fixing disc;
A vertical clamping groove is formed in the middle of the fixing piece;
The clamping piece is long-strip-shaped, one end of the clamping piece is connected with the fixed end of the inner diameter test rod, and the other end of the clamping piece is clamped in the vertical clamping groove.
5. The inside and outside diameter test fixture according to claim 1, wherein:
The device also comprises a speed reducing mechanism;
the speed reducing mechanism comprises a supporting frame, steel wires, pulleys and a speed reducing block;
The supporting frame is hung with a plurality of pulleys, and the steel wires are sequentially hung on the pulleys;
And one end of the steel wire penetrates through the middle part of the outer diameter test rod to be connected with the deceleration block.
6. The inside and outside diameter test fixture according to claim 1, wherein:
and the support rod is provided with a plurality of pin holes for inserting limit pins to block the falling of the outer diameter test rod.
7. The inside and outside diameter test fixture according to claim 1, wherein:
The angle of the acute angle is 30-45 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892101.4A CN113405429B (en) | 2021-08-04 | 2021-08-04 | Inside and outside footpath test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110892101.4A CN113405429B (en) | 2021-08-04 | 2021-08-04 | Inside and outside footpath test fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113405429A CN113405429A (en) | 2021-09-17 |
| CN113405429B true CN113405429B (en) | 2024-05-28 |
Family
ID=77688425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110892101.4A Active CN113405429B (en) | 2021-08-04 | 2021-08-04 | Inside and outside footpath test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113405429B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101415912B1 (en) * | 2013-04-30 | 2014-07-14 | 주식회사 부경 | Apparatus for measuring inside and outside diameter |
| CN205642267U (en) * | 2016-04-29 | 2016-10-12 | 葛洲坝集团试验检测有限公司 | Plastic corrugated pipe internal diameter warp measuring device |
| CN206531575U (en) * | 2016-12-27 | 2017-09-29 | 新疆农垦科学院 | A kind of Simple multi-angle spectrum test frame |
| CN207763624U (en) * | 2017-12-24 | 2018-08-24 | 长兴陈氏量具有限公司 | A kind of measurer for measuring pipe fitting internal-and external diameter |
| CN210293180U (en) * | 2019-08-02 | 2020-04-10 | 无锡仓佑汽车配件有限公司 | Wheel hub inner and outer diameter detection tool |
| CN213021367U (en) * | 2020-10-28 | 2021-04-20 | 常州三沐泽精工机械有限公司 | Full-automatic inside and outside diameter detector |
| CN112743285A (en) * | 2021-02-18 | 2021-05-04 | 山西汾西重工有限责任公司 | Coaxiality positioning device |
| CN215447699U (en) * | 2021-08-04 | 2022-01-07 | 山西汾西重工有限责任公司 | Inner and outer diameter test tool |
-
2021
- 2021-08-04 CN CN202110892101.4A patent/CN113405429B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101415912B1 (en) * | 2013-04-30 | 2014-07-14 | 주식회사 부경 | Apparatus for measuring inside and outside diameter |
| CN205642267U (en) * | 2016-04-29 | 2016-10-12 | 葛洲坝集团试验检测有限公司 | Plastic corrugated pipe internal diameter warp measuring device |
| CN206531575U (en) * | 2016-12-27 | 2017-09-29 | 新疆农垦科学院 | A kind of Simple multi-angle spectrum test frame |
| CN207763624U (en) * | 2017-12-24 | 2018-08-24 | 长兴陈氏量具有限公司 | A kind of measurer for measuring pipe fitting internal-and external diameter |
| CN210293180U (en) * | 2019-08-02 | 2020-04-10 | 无锡仓佑汽车配件有限公司 | Wheel hub inner and outer diameter detection tool |
| CN213021367U (en) * | 2020-10-28 | 2021-04-20 | 常州三沐泽精工机械有限公司 | Full-automatic inside and outside diameter detector |
| CN112743285A (en) * | 2021-02-18 | 2021-05-04 | 山西汾西重工有限责任公司 | Coaxiality positioning device |
| CN215447699U (en) * | 2021-08-04 | 2022-01-07 | 山西汾西重工有限责任公司 | Inner and outer diameter test tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113405429A (en) | 2021-09-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208588633U (en) | A kind of beams of concrete three point bending test device | |
| CN109163642B (en) | Angle measuring device | |
| CN215447699U (en) | Inner and outer diameter test tool | |
| CN105891009B (en) | A kind of biology bone small size samples three point bending test device | |
| CN113405429B (en) | Inside and outside footpath test fixture | |
| KR100428782B1 (en) | Apparatus for measuring tension of pogo pin | |
| US3283566A (en) | Material hardness tester | |
| CN209432325U (en) | Plank ontology loading test equipment in a kind of building structure | |
| CN212111534U (en) | Probe device of buckling | |
| JPH07218500A (en) | Slump tester | |
| CN210487689U (en) | Indoor test piece wave speed test fixing device | |
| CN211824199U (en) | Detection apparatus for foraminiferous work piece internal diameter | |
| CN212721369U (en) | Thickness gauge auxiliary measuring device | |
| CN214980575U (en) | Multifunctional calibration clamp for metal hardometer | |
| CN208588707U (en) | A kind of ultrasonic test bracket | |
| CN110360916B (en) | V-shape positioning type internal diameter and external diameter comparison measuring instrument | |
| CN210135870U (en) | Engine valve clearance measuring tool | |
| CN210119523U (en) | Resistance tester convenient to measure | |
| CN214952749U (en) | VHB sticky tape creep deformation capability test tool | |
| CN218994236U (en) | Concrete self-shrinkage measurer | |
| CN205941548U (en) | Trapped orbit formula concrete shrinkage test device | |
| CN214426899U (en) | Axial tensiometer tension test device | |
| CN221037959U (en) | Detection device | |
| CN217819867U (en) | A detection apparatus for be used for ground paste consistency | |
| CN214121126U (en) | Detection tool for detecting diameter and roundness of spherical surface |
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 |