CN218723702U - Heavy-load elastic strip comprehensive size detection platform - Google Patents

Abstract

The utility model discloses a heavy-load elastic strip comprehensive size detection platform, which comprises a reference bottom plate and a back plate fixed on the reference bottom plate, wherein a middle limb tail end arc section interval gauge block is arranged on the back plate through a rear positioning shaft; the robot is characterized in that a left positioning block, a right positioning block, a middle limb lower end height measuring block and a bullet Cheng Liangkuai are arranged on a datum bottom plate, a left limb arch height measuring block is arranged on the left positioning block through a left positioning shaft, a right limb arch height measuring block and a total length measuring block are arranged on the right positioning block through a right positioning shaft, a middle limb width measuring block is arranged on the bullet stroke measuring block through a central positioning shaft, and two limb width measuring blocks are arranged on the datum bottom plate through a front positioning shaft. Compared with the prior art, the utility model has the positive effects that: eight kinds of sizes that can detect heavy-duty bullet strip fast accurately include: the elastic strip comprises a middle limb width A, two limb widths B, two limb arch heights C, a middle limb lower end height D, an elastic range E, a middle limb tail end arc section interval F, a two limb interval G and a total length H.

Description

Heavy-load elastic strip comprehensive size detection platform

Technical Field

The utility model relates to a heavy load bullet strip comprehensive dimension test platform.

Background

The elastic strip is an important component of a railway fastener system, provides necessary fastening force for the steel rail and can prevent the steel rail from overturning and creeping. The elastic strip has the advantages of complex spatial appearance, higher dimensional accuracy, more detection items and extremely low detection efficiency by utilizing a universal detection tool (such as a caliper, a plug gauge and the like). In the aspect of a comprehensive detection platform for elastic strips, patent CN 202111005645.0 provides a comprehensive detection platform for omega-type elastic strips, which can quickly detect seven detection items such as middle width, two-limb width, middle arch height, two-limb arch height and the like, and compared with CN201830088339, the comprehensive detection platform can only detect two sizes of the middle arch height and the two-limb arch height, and the detection efficiency of the comprehensive detection platform is greatly improved. The utility model discloses be suitable for heavy load bullet strip that detects although belong to omega type bullet strip, nevertheless bullet strip structure more general omega type bullet strip has obvious difference, and detection project and quantity are all inequality, can't utilize above-mentioned patent bullet strip comprehensive testing platform detect.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above shortcoming of prior art, the utility model provides a heavy load bullet strip synthesizes size testing platform.

The utility model provides a technical scheme that its technical problem adopted is: a heavy-load elastic strip comprehensive size detection platform comprises a reference bottom plate and a back plate fixed on the reference bottom plate, wherein a middle limb tail end arc section interval gauge block is arranged on the back plate through a rear positioning shaft; the robot is characterized in that a left positioning block, a right positioning block, a middle limb lower end height measuring block and a bullet Cheng Liangkuai are arranged on a datum bottom plate, a left limb arch height measuring block is arranged on the left positioning block through a left positioning shaft, a right limb arch height measuring block and a total length measuring block are arranged on the right positioning block through a right positioning shaft, a middle limb width measuring block is arranged on the bullet stroke measuring block through a central positioning shaft, and two limb width measuring blocks are arranged on the datum bottom plate through a front positioning shaft.

Compared with the prior art, the utility model has the positive effects that:

utilize the utility model discloses a detection platform can detect eight kinds of sizes of heavy load bullet strip fast accurately, include: the elastic strip comprises a middle limb width A, two limb widths B, two limb arch heights C, a middle limb lower end height D, an elastic stroke E, a middle limb tail end arc section interval F, a two limb interval G and a total length H.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic structural diagram of a comprehensive heavy-load elastic strip detection platform;

FIG. 2 is a schematic structural diagram of the bottom of the comprehensive heavy-load elastic strip detection platform;

FIG. 3 is a schematic view of a reference bottom plate;

FIG. 4 is a schematic view of the bottom of the datum plate;

FIG. 5 is a schematic structural view of the left positioning shaft;

FIG. 6 is a schematic structural view of a left limb arch height block;

FIG. 7 is a schematic structural diagram of a left positioning block;

FIG. 8 is a schematic structural view of a right positioning shaft;

FIG. 9 is a schematic structural diagram of a right limb arch height block;

FIG. 10 is a schematic view of the overall length gauge block configuration;

FIG. 11 is a schematic structural diagram of a right positioning block;

FIG. 12 is a schematic view of a center positioning shaft;

FIG. 13 is a schematic structural view of a midlimb width gauge block;

FIG. 14 is a schematic view of the configuration of projectile Cheng Liangkuai;

FIG. 15 is a schematic structural view of a back plate;

FIG. 16 is a schematic structural diagram of a spacing gauge block of a circular arc segment at the tail end of a middle limb;

FIG. 17 is a schematic view of the front positioning shaft;

FIG. 18 is a schematic structural view of a two limb width gauge block;

FIG. 19 is a schematic view of the rear positioning shaft;

FIG. 20 is a schematic view of the structure of the lower end high piece of the middle limb;

FIG. 21 is a schematic diagram illustrating the detection of the distance between two limbs;

fig. 22 is the structure diagram and the detection items of the heavy-duty elastic strip of the present invention.

Detailed Description

A heavy load bullet strip synthesizes size testing platform as shown in figure 1 and figure 2, include: the device comprises a reference bottom plate 1, a left positioning block 2, a left limb arch height gauge 3, a left positioning shaft 4, a back plate 5, a heavy-load elastic strip 6, a middle limb lower end height gauge 7, a hexagon nut 8, a middle limb tail end circular arc section spacing gauge 9, a rear positioning shaft 10, a right positioning shaft 11, a right limb arch height gauge 12, a total length gauge 13, a right positioning block 14, a front positioning shaft 15, a two limb width gauge 16, an elastic Cheng Liangkuai, an elastic Cheng Liangkuai handle 18, a middle limb width gauge 19, a hexagon nut 20, a central positioning shaft 21, a supporting bolt 22, a hexagon nut 23, a cover plate 24, an inner hexagon bolt 25 and the like.

The reference base plate 1 is schematically shown in fig. 3 and 4. The upper surface of the reference bottom plate 1 is a reference plane for fine grinding; the upper surface is provided with a long groove 101 for mounting a left positioning block 2; threaded holes 102, 107 and 108 and a through hole 109 are formed and are respectively used for mounting the left positioning shaft 4, the right positioning shaft 11, the front positioning shaft 15 and the central positioning shaft 21; the upper surface is provided with a long hole stepped groove 103 for mounting a height measuring block 7 at the lower end of the middle limb; a U-shaped groove 104 is arranged for avoiding interference with the distance measuring block 9 of the arc section at the tail end of the middle limb; the upper surface is provided with a centering nick 111 to facilitate the adjustment of the position of the gauge block 7 at the lower end of the middle limb; the upper surface is provided with a square groove 110 for An Zhuangdan Cheng Liangkuai; a first scale mark 105 and a second scale mark 106 are arranged on the upper surface, wherein the second scale mark 106 and the first scale mark 105 are respectively an upper limit scale mark and a lower limit scale mark of the distance I between the two limbs; the rear surface is provided with a threaded hole 113 for fixing the back plate 5; the lower surface is provided with a threaded hole 112 for mounting the supporting bolt 22; the lower surface is provided with threaded holes 114 for mounting the cover plate 24.

The left positioning shaft 4 is configured as shown in fig. 5, and includes: square face 401, cylindrical face 402, external threads 403.

The structure of the left limb arch height block 3 is shown in fig. 6 and comprises: through hole 301, through end face 302, end stop face 303.

The left positioning block 2 is structured as shown in fig. 7, and is provided with a through hole 201.

The right positioning shaft 11 is configured as shown in fig. 8, and includes: square face 1101, cylindrical face 1102, external threads 1103.

The right limb arch height block 12 is structured as shown in fig. 9, and comprises: a through hole 1201, a through end face 1202, and an end stop face 1203.

The overall length gauge 13 is configured as shown in fig. 10, and includes a through hole 1301, a through end surface 1302, and an end stop surface 1303.

The right positioning block 14 is configured as shown in fig. 11, and has a through hole 1401.

The structure of the center positioning shaft 21 is shown in fig. 12, and includes: a first external thread 2101, a first cylindrical surface 2102, a second cylindrical surface 2103, a second external thread 2104.

The structure of the middle limb width gauge block 19 is shown in fig. 13, and comprises: a through-end face 1901, a via 1902, and a dead-end face 1903.

The structure of the bullet Cheng Liangkuai is shown in fig. 14, and includes: female screw hole 1701, kidney-shaped hole 1702, end stop face 1703, and through end face 1704.

The structure of the back plate 5 is shown in fig. 15, and includes: a first through hole 501 and a second through hole 502.

The structure of the middle limb tail end circular arc segment spacing gauge block 9 is shown in fig. 16, and comprises: through end cylindrical surface 901, through hole 902, end stop cylindrical surface 903.

The front positioning shaft 15 is configured as shown in fig. 17, and includes: square face 1501, cylindrical surface 1502, external screw thread 1503.

The two-limb width gauge block 16 is configured as shown in fig. 18 and comprises: through end 1601, through 1602, end stop 1603.

The rear positioning shaft 10 is configured as shown in fig. 19, and includes: thread 1001, cylinder 1002, square 1003.

The structure of the lower end height measuring block 7 of the middle limb is shown in fig. 20 and comprises: a stop end surface 701, a through end surface 702, a centering score 703 and a step 704.

Heavy load bullet strip comprehensive dimension test platform assembly explain as follows:

four supporting bolts 22 are respectively installed in four threaded holes 112 on the lower surface of the reference bottom plate 1, so that the upper surface is ensured to be horizontal; the back plate 5 is fixed on the reference bottom plate 1 through the second through hole 502 and the threaded hole 113 of the back plate 5 by the hexagon socket head cap screw 25; the rear positioning shaft 10 is connected to the back plate 5 through the first through hole 501 of the back plate 5 and the through hole 902 of the middle limb tail end circular arc section distance gauge block 9 by matching with the hexagon nut 8, and the middle limb tail end circular arc section distance gauge block 9 can rotate around the axis circumference of the positioning shaft 10.

The middle limb lower end height measuring block 7 penetrates through the long hole stepped groove 103, the step 704 is matched with the long hole stepped groove 103, the cover plate 24 is fixed on the lower surface of the reference bottom plate 1 by installing the hexagon socket head cap screw 25, and the middle limb lower end height measuring block 7 can slide left and right in the long hole stepped groove 103.

The left positioning block 2 is embedded in the long groove 101 of the datum base plate 1, the left positioning shaft 4 is matched with the threaded hole 102 of the datum base plate 1 to fix the left limb arch height block 3 and the left positioning block 2 on the datum base plate 1 through the through hole 301 of the left limb arch height block 3 and the through hole 201 of the left positioning block 2, the height of the cylindrical surface 402 of the left positioning shaft 4 is slightly higher than the sum of the heights of the left limb arch height block 3 and the left positioning block 2, and the left limb arch height block 3 can do circular motion around the axis of the left positioning shaft 4.

The right positioning shaft 11 penetrates through a through hole 1201 of the right arch height gauge 12, a through hole 1301 of the total length gauge 13 and a through hole 1401 of the right positioning block 14, the right arch height gauge 12, the total length gauge 13 and the right positioning block 14 are fixed on the datum base plate 1 by matching with a threaded hole 107 of the datum base plate 1, the height of a cylindrical surface 1102 of the right positioning shaft 11 is slightly higher than the sum of the heights of the right arch height gauge 12, the total length gauge 13 and the right positioning block 14, and the right arch height gauge 12 and the total length gauge 13 can do circular motion around the axis of the right positioning shaft 11.

The front positioning shaft 15 passes through the through holes 1602 of the two-limb width measuring blocks 16, and the two-limb width measuring blocks 16 are connected with the datum base plate 1 by matching with the threaded holes 108 of the datum base plate 1, the height of the cylindrical surface 1502 of the front positioning shaft 15 is slightly higher than that of the two-limb width measuring blocks 16, and the two-limb width measuring blocks 16 can do circular motion around the axis of the front positioning shaft 15.

The bullet Cheng Liangkuai handle 18 is fixed on the bullet Cheng Liangkuai through a screw thread, the bullet Cheng Liangkuai is embedded in the long groove 110 of the datum base plate 1, the central positioning shaft 21 penetrates through the through hole 1902 of the middle limb width measuring block 19 and the waist-shaped hole 1702 of the bullet Cheng Liangkuai, and the middle limb width measuring block 19 and the bullet Cheng Liangkuai are connected with the datum base plate 1 by matching with the through hole 109 and the hexagon nuts 20 and 23 of the datum base plate 1. The height of the cylindrical surface 2103 of the central positioning shaft 21 is slightly higher than the sum of the heights of the middle limb width gauge block 19 and the spring Cheng Liangkuai, the spring Cheng Liangkuai can slide back and forth in the square groove 110, and the middle limb width gauge block 19 can do circular motion around the axis of the central positioning shaft 21.

Heavy load bullet strip comprehensive dimension test platform detection principle as follows:

heavy load bullet strip synthesize eight kinds of sizes that size testing platform can detect, including: the elastic strip comprises a middle limb width A, two limb widths B, two limb arch heights C, a middle limb lower end height D, an elastic range E, a middle limb tail end arc section interval F, a two limb interval G and a total length H. As shown in fig. 22.

Heavy load bullet strip comprehensive dimension test platform detection order as follows:

1. detection of the height D of the lower end of the middle limb: the height gauge block 7 at the lower end of the middle limb is adjusted left and right, so that the centering nick 703 is 5cm to 10cm to the right of the centering nick 111 of the reference bottom plate 1. The heavy-load elastic strip 6 is arranged on the upper surface of the datum base plate 1, two ends of the elastic strip are tightly attached to datum planes of the back plate 5 and the datum base plate 1, and the middle limb of the elastic strip is arranged in the width range of the through end surface 702 of the height measuring block 7 at the lower end of the middle limb. Observing whether the lower end of the middle limb of the elastic strip contacts the through end surface 702 of the height measuring block 7 of the lower end of the middle limb, if not, meeting the requirement of the minimum size of the height D of the lower end of the middle limb, and if so, indicating that the height D of the lower end of the middle limb is smaller in size and is unqualified; keeping the elastic strip 6 still, moving the middle limb lower end height gauge block 7 left and right, observing whether the end surface 701 interferes with the middle limb lower end of the elastic strip, if so, meeting the requirement of the maximum dimension of the middle limb lower end height D, and if not, indicating that the dimension of the middle limb lower end height D is larger and unqualified.

2. Detection of the arch height C of two limbs: and adjusting the middle limb lower end height gauge 7 leftwards and rightwards to align the centering nick 703 with the centering nick 111 of the datum baseplate 1, ensuring that the middle limb lower end height gauge 7 is placed in the middle, moving the elastic strip leftwards to enable the left limb of the elastic strip to contact the side surface of the left positioning block 2, and ensuring that two ends are tightly attached to datum planes of the backboard 5 and the datum baseplate 1. Rotating the left limb arch height gauge 3 and the right limb arch height gauge 12, if the through end face 302 of the left limb arch height gauge 3 and the through end face 1202 of the right limb arch height gauge 12 both pass through (the rotation process is not interfered with the elastic strip), the requirement of the maximum size of the two limb arch heights C is met, and if the through end face does not pass through (the rotation process is interfered with the elastic strip), the size of the two limb arch heights C is larger and unqualified; if the end stopping surfaces 303 and 1203 do not pass through, the requirement of the minimum size of the arch height C of the two limbs is met, and if the end stopping surfaces pass through, the size of the arch height C of the two limbs is smaller and unqualified.

3. Detection of the total length H: rotating the total length gauge block 13, if the through end surface 1302 of the total length gauge block 13 passes (the rotation process does not interfere with the elastic strip), the requirement of the maximum size of the total length H is met, and if the through end surface 1302 does not pass (the rotation process interferes with the elastic strip), the size of the total length H is larger and is unqualified; if the end stop surface 1303 does not pass through, the minimum size requirement of the total length H is met, and if the end stop surface passes through, the total length H is smaller in size and is unqualified.

4. Detecting the distance F between the arc sections at the tail ends of the middle limbs: rotating the middle limb tail end circular arc section interval gauge block 9, if the through end cylindrical surface 901 passes through the elastic strip middle limb tail end circular arc section gap, the requirement of the minimum size of the middle limb tail end circular arc section interval F is met, and if the through end cylindrical surface does not pass through the elastic strip middle limb tail end circular arc section gap, the size of the middle limb tail end circular arc section interval F is smaller and unqualified; if the end stopping cylindrical surface 903 does not pass through, the maximum size requirement of the middle limb tail end circular arc section interval F is met, and if the end stopping cylindrical surface passes through, the size of the middle limb tail end circular arc section interval F is larger and unqualified.

5. Detection of the middle limb width a and the two limb width B: rotating the middle limb width gauge block 19, if the through end face 1901 of the middle limb width gauge block 19 passes (the rotation process does not interfere with the elastic strip), the requirement of the maximum size of the middle limb width A is met, and if the through end face does not pass (the rotation process interferes with the elastic strip), the size of the middle limb width A is larger and unqualified; if the end stop face 1903 does not pass, the minimum dimension requirement of the middle limb width A is met, and if the end stop face passes, the middle limb width A is smaller in dimension and is unqualified.

Rotating the two-limb width gauge block 16, if the through end face 1601 of the two-limb width gauge block 16 passes through (the rotation process does not interfere with the elastic strip), the requirement on the maximum size of the two-limb width B is met, and if the through end face does not pass through (the rotation process interferes with the elastic strip), the size of the two-limb width B is larger and unqualified; if the end stop surface 1603 does not pass, the minimum size requirement of the two-limb width B is met, and if the end stop surface 1603 passes, the two-limb width B is smaller in size and is unqualified.

6. And (3) detecting the elastic distance E: the forward moving bullet Cheng Liangkuai meets the minimum size requirement of the bullet stroke E if the through end surface 1704 passes through the lower end of the middle limb of the bullet strip, and if the through end surface 1704 does not pass through the lower end of the middle limb of the bullet strip, the bullet stroke E is small in size and unqualified; when the through end surface 1704 passes through, the bullet Cheng Liangkuai continues to move forwards, if the end stop surface 1703 does not pass through, the maximum size requirement of the bullet stroke E is met, and if the end stop surface 1703 does not pass through, the size of the bullet stroke E is larger and is unqualified.

7. Detection of the distance G between two limbs: as shown in fig. 21, after the detection of the spring stroke E is completed, the springs Cheng Liangkuai are kept still, the spring bars 6 are moved to the right until the left toe end surfaces of the spring bars contact with the left side surfaces of the springs Cheng Liangkuai (the height measuring block 7 at the lower end of the middle limb can move with the springs), and the two ends of the spring bars are kept closely attached to the back plate 5 and the reference plane of the reference bottom plate 1. Observing the position of the end face of the right toe of the elastic strip, and if the end face of the right toe of the elastic strip is positioned between the scale mark 105 and the scale mark 106, indicating that the distance G between the two limbs meets the size requirement; if the end face of the right toe of the elastic strip is positioned on the left side of the scale mark 105, the size of the distance G between the two limbs is small and the elastic strip is unqualified; if the end face of the right toe of the elastic strip is located on the right side of the scale mark 106, the distance G between the two limbs is large in size and is unqualified.

Claims (9)

1. The utility model provides a heavy load bullet strip synthesizes size testing platform which characterized in that: the device comprises a reference bottom plate and a back plate fixed on the reference bottom plate, wherein a middle limb tail end arc section distance measuring block is arranged on the back plate through a rear positioning shaft; the robot is characterized in that a left positioning block, a right positioning block, a middle limb lower end height measuring block and a bullet Cheng Liangkuai are arranged on a datum bottom plate, a left limb arch height measuring block is arranged on the left positioning block through a left positioning shaft, a right limb arch height measuring block and a total length measuring block are arranged on the right positioning block through a right positioning shaft, a middle limb width measuring block is arranged on the bullet stroke measuring block through a central positioning shaft, and two limb width measuring blocks are arranged on the datum bottom plate through a front positioning shaft.

2. The comprehensive dimension detection platform for heavy-load elastic strips according to claim 1, characterized in that: the rear positioning shaft penetrates through a through hole of the distance measuring block of the arc section at the tail end of the middle limb, and the distance measuring block of the arc section at the tail end of the middle limb is connected to the back plate by matching with a hexagon nut.

3. The comprehensive dimension detection platform for heavy-load elastic strips according to claim 1, characterized in that: a long hole stepped groove is formed in the upper surface of the reference bottom plate, a step is arranged on the middle limb lower end height measuring block, the middle limb lower end height measuring block penetrates through the long hole stepped groove, and the step is matched with the long hole stepped groove.

4. The comprehensive dimension detection platform for heavy-load elastic strips according to claim 1, characterized in that: the upper surface of the datum bottom plate is provided with a long groove, the left positioning block is embedded in the long groove, the left positioning shaft penetrates through the through holes of the left limb arch height block and the left positioning block, and the left limb arch height block and the left positioning block are fixed on the datum bottom plate by matching with the threaded hole of the datum bottom plate.

5. The comprehensive dimension detection platform for heavy-load elastic strips according to claim 1, characterized in that: the right positioning shaft sequentially penetrates through the through holes of the right limb arch height measuring block, the total length measuring block and the right positioning block and is matched with the threaded hole of the datum base plate to fix the right limb arch height measuring block, the total length measuring block and the right positioning block on the datum base plate.

6. The comprehensive dimension detection platform for heavy-load elastic strips according to claim 1, characterized in that: the front positioning shaft penetrates through the through holes of the two limb width measuring blocks and is matched with the threaded hole of the datum base plate to connect the two limb width measuring blocks with the datum base plate.

7. The comprehensive dimension detection platform for heavy-load elastic strips according to claim 1, characterized in that: a square groove is formed in the upper surface of the datum bottom plate, the springs Cheng Liangkuai are embedded in the square groove, the central positioning shaft penetrates through the through hole of the middle limb width measuring block and the waist-shaped hole of the spring Cheng Liangkuai, and the middle limb width measuring block and the springs Cheng Liangkuai are connected with the datum bottom plate by matching with the through hole of the datum bottom plate and the hexagon nut.

8. The comprehensive dimension detection platform for heavy-duty spring strips according to claim 7, characterized in that: the bullet Cheng Liangkuai handle is fixed on the bullet stroke measuring block through threaded connection.

9. The comprehensive dimension detection platform for heavy-load elastic strips according to claim 1, characterized in that: the upper surface of the reference bottom plate is provided with a centering nick, a first scale mark and a second scale mark.

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