CN209910867U - Excavator digging force measuring device and test equipment using same - Google Patents
Excavator digging force measuring device and test equipment using same Download PDFInfo
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- CN209910867U CN209910867U CN201921013463.6U CN201921013463U CN209910867U CN 209910867 U CN209910867 U CN 209910867U CN 201921013463 U CN201921013463 U CN 201921013463U CN 209910867 U CN209910867 U CN 209910867U
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Abstract
The utility model discloses an excavator digging force measuring device and a test device using the same, wherein the force measuring device comprises a left guard plate, a mounting bracket, a right guard plate, a tension and compression sensor I, a base, a tension and compression sensor II and a proximity sensor; the pin hole of the mounting bracket, the upper pin hole of the tension and compression sensor I and the upper pin hole of the tension and compression sensor II are mounted together through a cylindrical pin I; the lower part of the tension and compression sensor I and the lower part of the tension and compression sensor II are respectively hinged with the base; the left guard plate and the right guard plate are correspondingly arranged on two sides of the top surface of the base, and two ends of the cylindrical pin I respectively penetrate through a pin hole of the left guard plate and a pin hole of the right guard plate; and proximity sensors are respectively arranged on the outer side surfaces of the left guard plate and the right guard plate. The utility model has the characteristics of the installation degree of difficulty is low, test efficiency is high, the test site requires low, intensity of labour is low.
Description
Technical Field
The utility model relates to an excavator excavation force measuring device belongs to the experimental technical field of hydraulic shovel.
Background
The excavator is a main tool for earth and rockwork, and the magnitude of the excavating force of the excavator is one of main performances of the excavator. In the design process, the magnitude of the excavating force is also a main basis for designing the working device and calculating the strength. Usually, in the excavating force test process of the excavator, the excavating force is tested by pulling a tension sensor through an excavator bucket, a steel wire rope and a shackle are needed besides the tension sensor, and a ground anchor is needed on a test field. Along with the increase of the tonnage of the vehicle, the length and the tensile strength of the steel wire rope are also gradually increased, the intensity of the shackle is also gradually increased, the weight of the steel wire rope and the weight of the shackle are also increased, the installation difficulty and the labor intensity are also gradually increased, and meanwhile, the test efficiency is also reduced. The requirement on the ground anchor is gradually increased along with the increase of the excavation force on a test site, and meanwhile, the increase of the strength of the ground anchor also puts higher requirements on the infrastructure.
Disclosure of Invention
The utility model aims at overcoming the above-mentioned defect, the purpose provides an installation degree of difficulty is low, test efficiency is high, the experimental place requires low, the low in labor strength's experimental equipment.
In order to realize the purpose, the utility model discloses a technical scheme is:
the force measuring device comprises a left protective plate, a mounting bracket, a right protective plate, a tension and compression sensor I, a base, a tension and compression sensor II and a proximity sensor; the pin hole of the mounting bracket, the upper pin hole of the tension and compression sensor I and the upper pin hole of the tension and compression sensor II are mounted together through a cylindrical pin I; the lower part of the tension and compression sensor I and the lower part of the tension and compression sensor II are hinged with the base respectively; the left guard plate and the right guard plate are correspondingly arranged on two sides of the top surface of the base, and two ends of the cylindrical pin I respectively penetrate through a pin hole of the left guard plate and a pin hole of the right guard plate; and proximity sensors are respectively arranged on the outer side surfaces of the left guard plate and the right guard plate.
Furthermore, the mounting bracket consists of a left support plate, a fixed plate, a right support plate, a bottom plate and a connecting plate;
the left supporting plate and the right supporting plate are correspondingly arranged on two sides of the bottom surface of the fixing plate, and pin holes in the left supporting plate and the right supporting plate are coaxial; the connecting plate is respectively connected with the top surface of the fixed plate and the bottom surface of the bottom plate, so that the cross sections of the connecting plate, the fixed plate and the bottom plate are in an I shape.
Furthermore, the whole pull-press sensor II is of an I-shaped structure, and two coaxial pin holes are respectively formed in the left concave structure and the right concave structure.
Further, the tension and compression sensor I is formed by integrally forming a left convex structure and a right concave structure, wherein a pin hole is formed in the left convex structure, and two coaxial pin holes are formed in the right concave structure;
the convex structure of the tension and compression sensor I is inserted into the concave structure of the tension and compression sensor II, and the hinge joint of the tension and compression sensor I and the concave structure is realized through the cylindrical pin I.
Furthermore, the left guard plate consists of a guard plate I and a sensor mounting plate I; the sensor mounting plate I is vertically arranged on the outer side surface of the protection plate I and is parallel to an inclined plane of the protection plate I; and a proximity sensor II is arranged in the sensor mounting plate I.
Further, the right guard plate consists of a guard plate II and a sensor mounting plate II; the guard plate II is of a triangular structure, a pin hole is formed in the included angle at the top of the guard plate II, and the sensor mounting plate II is vertically arranged on the outer side surface of the guard plate II and is parallel to an inclined surface of the guard plate II; a proximity sensor I is arranged in the sensor mounting plate II; the installation positions of the proximity sensor I and the proximity sensor II are mirror images.
Further, the base is composed of a bottom plate, a mounting seat I and a mounting seat II; the mounting base I and the mounting base II are correspondingly mounted on the bottom plate, and pin holes are formed in the mounting base I and the mounting base II respectively and used for enabling the base to be hinged to the tension-compression sensor I and the tension-compression sensor II.
The excavator excavating force test device comprises an excavator, a test plane and the force measuring device; the force measuring device is fixedly arranged on the bucket tooth of the excavator and is in contact with the test plane; when the excavating force of the bucket rod is tested, the posture of the bucket rod is adjusted, so that the force measuring device is clamped on a test plane and cannot move when the bucket rod is retracted, and the force measuring device tests the excavating force of the bucket rod at the moment; when the digging force of the bucket is tested, the posture of the bucket is adjusted, so that the force measuring device is clamped on the test plane and cannot move when the bucket is retracted, and the force measuring device tests the digging force of the bucket at the moment.
Further, the included angle a between the test plane and the horizontal plane is 0 degree ~ 70 degrees.
Further, the included angle a between the test plane and the horizontal plane is 30 degrees.
The utility model discloses beneficial effect:
by adopting the scheme, the excavating force of the excavator is converted into the pulling force or the pressure of the tension and compression sensor I and the tension and compression sensor II in the force measuring device in the test process, and then the excavating force is reasonably calculated, only the force measuring device is required to be installed, and heavier test auxiliary equipment such as shackles, steel wire ropes and the like is not required, so that the installation difficulty and the labor intensity in the test process are reduced, and the test efficiency is increased. Because the auxiliary test of the ground anchor is not needed, the requirement on a test field is reduced.
Therefore, the utility model has the characteristics of the installation degree of difficulty is low, test efficiency is high, the test site requires lowly, intensity of labour is low.
Drawings
FIG. 1 is an exploded view of the force measuring device of the present invention;
FIG. 2 is a structural view of the force measuring device of the present invention;
fig. 3a is a front view of the mounting bracket of the present invention;
fig. 3b is a side view of the mounting bracket of the present invention;
FIG. 4 is a drawing showing a structure of a tension/compression sensor II of the present invention;
FIG. 5 is a structural diagram of a tension/compression sensor I of the present invention;
FIG. 6a is a front view of the left guard plate of the present invention;
fig. 6b is a side view of the left guard plate of the present invention;
fig. 7a is a front view of the base of the present invention;
fig. 7b is a side view of the base of the present invention;
fig. 8a is a front view of the right guard plate of the present invention;
fig. 8b is a side view of the right fender of the present invention;
fig. 9 is a schematic diagram of the practical application of the test equipment of the present invention.
In the figure, 1 excavator, 2 force measuring device, 3 test plane, 4 left guard plate, 5 mounting bracket 6, cylindrical pin I, 7 right guard plate, 8 proximity sensor I, 9 tension and compression sensor I, 10 cylindrical pin II, 11 cylindrical pin III, 12 base, 13 tension and compression sensor II, 14 proximity sensor II, 15 left support plate, 16 fixing plate, 17 right support plate, 18 bottom plate, 19 connecting plate, 20 guard plate I, 21 sensor mounting plate I, 22 mounting seat I, 23 bottom plate, 24 mounting seat II, 25 guard plate II and 26 sensor mounting plate II.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 9, the excavator excavation force test device includes an excavator 1, a force measuring device 2, and a test plane 3. The force measuring device 2 is fixedly arranged on the bucket tooth of the excavator 1, and the force measuring device 2 is in contact with the test plane 3. The test plane 3 makes an angle a of 30 ° with the horizontal plane. When the bucket rod excavating force is tested, the posture of the bucket rod is adjusted, so that the force measuring device 2 is clamped on the test plane 3 and cannot move when the bucket rod is retracted, and the force measuring device 2 tests the bucket rod excavating force at the moment. When the digging force of the bucket is tested, the posture of the bucket is adjusted, so that the force measuring device 2 is clamped on the test plane 3 and cannot move when the bucket is retracted, and the force measuring device 2 tests the digging force of the bucket at the moment.
As shown in fig. 1 and 2, the force measuring device 2 includes a left guard plate 4, a mounting bracket 5, a cylindrical pin i 6, a right guard plate 7, a proximity sensor i 8, a tension and compression sensor i 9, a cylindrical pin ii 10, a cylindrical pin iii 11, a base 12, a tension and compression sensor ii 13, and a proximity sensor ii 14. The pin hole of the mounting bracket 5, the left pin hole of the tension and compression sensor I9 and the left pin hole of the tension and compression sensor II 13 are mounted together through a cylindrical pin I6. The left guard plate 4 is arranged on the left side of the mounting bracket 5, and the cylindrical pin I6 penetrates through a pin hole of the left guard plate 4; the right guard plate 7 is arranged on the right side of the mounting bracket 5, and the cylindrical pin I6 penetrates through a pin hole of the right guard plate 7; a right pin hole of the tension and compression sensor I9 and an upper pin hole of the base 12 are mounted together through a cylindrical pin II 10; a right pin hole of the tension and compression sensor II 13 and a lower pin hole of the base 12 are installed together through a cylindrical pin III 11; the bottom mounting surface of the left guard plate 4 is mounted together with the base 12 through bolts; the bottom mounting surface of the right fender 7 is mounted to the base 12 by bolts. The proximity sensor I8 is arranged in a mounting hole of the sensor mounting plate I21; the proximity sensor II 14 is installed in the installation hole of the sensor installation plate II 26.
As shown in fig. 3a and 3b, the mounting bracket 5 is composed of a left support plate 15, a fixing plate 16, a right support plate 17, a bottom plate 18 and a connecting plate 19. The lower side surface of the left support plate 15 is welded on the left side of the upper side surface of the fixed plate 16, and the left side surface of the left support plate 15 and the left side surface of the fixed plate 16 are coplanar; the lower side surface of the right supporting plate 17 is welded to the right side of the upper side surface of the fixed plate 16, and the right side surface of the right supporting plate 17 and the right side surface of the fixed plate 16 are coplanar; the pin holes of the left support plate 15 are coaxial with the pin holes of the right support plate 17. The upper surface of the connecting plate 19 is welded to the lower surface of the fixed plate 16, the outer side surface of the connecting plate 19 is parallel to the outer side surface of the fixed plate 16, and the center of the upper side surface of the connecting plate 19 coincides with the center of the lower surface of the fixed plate 16. The upper side of the bottom plate 18 is welded to the lower side of the connecting plate 19, the center of the upper side of the bottom plate 18 coincides with the center of the lower side of the connecting plate 19, and the outer side of the bottom plate 18 is parallel to the outer side of the connecting plate 19. The left support plate 15 is made of a steel plate, the right view projection of the left support plate is triangular, the bottom side of the triangle is horizontal, and the top corner of the triangle is processed into an arc. And processing a through hole concentric with the arc surface as a pin hole. The left side surface of the right support plate 17 and the right side surface of the left support plate 15 are identical in shape, and the right side surface of the right support plate 17 and the left side surface of the left support plate 15 are identical in shape. The fixing plate 16 is a rectangular steel plate. The vertical direction is the thickness direction, the internal and external directions are the length direction, and the horizontal direction is the width direction. The connecting plate 19 is a rectangular steel plate. The vertical direction is the length direction, the internal and external directions are the thickness direction, and the horizontal direction is the width direction. The base plate 18 is a rectangular steel plate. The vertical direction is the thickness direction, the internal and external directions are the width direction, and the horizontal direction is the length direction.
As shown in fig. 4, the front view projection of the tension/compression sensor ii 13 is in an "i" shape, the up-down direction is the width direction, the left-right direction is the length direction, and the inside-outside direction is the thickness direction. The left side surface is processed into an arc surface, the axis of the arc surface is parallel to the width direction, and a through hole is processed concentrically with the left side arc surface to be used as a left side pin hole; the right side surface is processed into an arc surface, the axis of the arc surface is parallel to the width direction, and a through hole is processed concentrically with the right side arc surface to be used as a right side pin hole.
As shown in fig. 5, the front view projection of the tension and compression sensor i 9 is separated from the middle, the left side is in a shape like a Chinese character 'tu', the left side is rotated to the left by 90 degrees, and the right side is in a right half part separated from the middle in a shape like a Chinese character 'gong'; the vertical direction is the width direction, the horizontal direction is the length direction, and the internal and external directions are the thickness direction. The left side surface is processed into an arc surface, the axis of the arc surface is parallel to the width direction, and a through hole is processed concentrically with the left side arc surface to be used as a left side pin hole; the right side surface is processed into an arc surface, the axis of the arc surface is parallel to the width direction, and a through hole is processed concentrically with the right side arc surface to be used as a right side pin hole.
As shown in FIGS. 6a and 6b, the left guard plate 4 is composed of a guard plate I20 and a sensor mounting plate I21, and the sensor mounting plate I21 is vertically arranged on the outer side surface of the guard plate I20 and is parallel to the right inclined surface. The guard plate I20 is made of a steel plate; the upper part of the projection of the front view is a triangle, the lower side of the triangle is horizontal, the upper corner of the triangle is processed into an arc shape, and a through hole is processed concentrically with the arc surface to be used as a pin hole. The middle part of the guard plate I20 is a rectangular steel plate, the left and right directions of the rectangle are the length directions, the up and down directions are the width directions, and the length of the rectangle is the same as the side length of the lower part of the triangle. The lower part is shaped in such a way that the steel plate is bent outwards by 90 degrees along the horizontal line, and the length of the steel plate is the same as that of the middle rectangular steel plate. The sensor mounting plate I21 is a square iron plate, and a circular through hole is formed in the center of the sensor mounting plate and serves as a mounting hole.
As shown in fig. 7a and 7b, the base 12 is composed of a bottom plate 23, a mounting seat i 22, and a mounting seat ii 24. Wherein, the mounting seat I22 and the mounting seat II 24 have the same appearance structure. The mounting surface of the mounting seat I22 is welded with the upper part of the outer side plane of the bottom plate 23, and the axis of a pin hole of the mounting seat I is parallel to the width direction of the bottom plate 23; the mounting seat II 24 is positioned to be symmetrical with the mounting seat I22 about a symmetrical plane parallel to the width direction of the bottom plate 23. The base 12 is symmetrical about a plane of symmetry of the bottom plate 23 parallel to the length direction. The bottom plate 23 is a rectangular steel plate, and has a longitudinal direction at the top and bottom, a width direction at the left and right, and a thickness direction at the inside and outside. The mounting seat I22 is a column body with a U-shaped middle section, a through hole is coaxially processed with the arc of the top end to serve as a pin hole, and the upper portion of the U-shaped column body is a mounting plane.
As shown in FIGS. 8a and 8b, the right guard plate 7 is composed of a guard plate II 25 and a sensor mounting plate II 26, and the sensor mounting plate II 26 is vertically mounted on the outer side surface of the guard plate II 25 and is parallel to the right inclined surface. The shield II 25 and the shield I20 are mirror images of each other. The sensor mounting plate I21 and the sensor mounting plate II 26 are identical in appearance.
By adopting the scheme, the excavating force of the excavator is converted into the pulling force or the pressure of the tension and compression sensor I9 and the tension and compression sensor II 2 in the force measuring device 2 in the test process, and then the excavating force is reasonably solved, wherein the diameters of the pin holes of the left protective plate 4 and the right protective plate 7 are slightly larger than that of the cylindrical pin I6, and when the excavator is overloaded, the cylindrical pin I6 can be contacted with the pin holes of the protective plates to offset partial pulling force or pressure, so that the excavator plays a role in overload protection. Proximity sensor I8 and proximity sensor II 14 are used for detecting fixed 16 and draw and press sensor I9 and draw and press the lateral surface of sensor II 13 and contact, prevent to cause experimental data mistake. Only need install measuring force device, need not break out, heavier experimental auxiliary equipment such as wire rope, reduced the installation degree of difficulty and intensity of labour in the test process, increased test efficiency simultaneously. Because the auxiliary test of the ground anchor is not needed, the requirement on a test field is reduced. Therefore, the utility model has the characteristics of the installation degree of difficulty is low, test efficiency is high, the test site requires lowly, intensity of labour is low.
In conclusion, by adopting the scheme, the excavating force of the excavator is converted into the tension or pressure of the tension and pressure sensor I and the tension and pressure sensor II in the force measuring device in the test process, and then the excavating force is reasonably calculated, only the force measuring device is required to be installed, and heavier test auxiliary equipment such as shackles, steel wire ropes and the like is not required, so that the installation difficulty and labor intensity in the test process are reduced, and meanwhile, the test efficiency is increased. Because the auxiliary test of the ground anchor is not needed, the requirement on a test field is reduced.
Therefore, the utility model has the characteristics of the installation degree of difficulty is low, test efficiency is high, the test site requires lowly, intensity of labour is low.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. Excavator excavation force measuring device, its characterized in that: the force measuring device comprises a left guard plate, a mounting bracket, a right guard plate, a tension and compression sensor I, a base, a tension and compression sensor II and a proximity sensor;
the pin hole of the mounting bracket, the upper pin hole of the tension and compression sensor I and the upper pin hole of the tension and compression sensor II are mounted together through a cylindrical pin I;
the lower part of the tension and compression sensor I and the lower part of the tension and compression sensor II are hinged with the base respectively;
the left guard plate and the right guard plate are correspondingly arranged on two sides of the top surface of the base, and two ends of the cylindrical pin I respectively penetrate through a pin hole of the left guard plate and a pin hole of the right guard plate;
and proximity sensors are respectively arranged on the outer side surfaces of the left guard plate and the right guard plate.
2. The excavator digging force measuring device of claim 1, wherein: the mounting bracket consists of a left support plate, a fixed plate, a right support plate, a bottom plate and a connecting plate;
the left supporting plate and the right supporting plate are correspondingly arranged on two sides of the bottom surface of the fixing plate, and pin holes in the left supporting plate and the right supporting plate are coaxial;
the connecting plate is respectively connected with the top surface of the fixed plate and the bottom surface of the bottom plate, so that the cross sections of the connecting plate, the fixed plate and the bottom plate are in an I shape.
3. The excavator digging force measuring device of claim 1, wherein: the whole pull-press sensor II is of an I-shaped structure, and two coaxial pin holes are formed in the left concave structure and the right concave structure respectively.
4. The excavator digging force measuring device according to claim 3, wherein: the tension and compression sensor I is formed by integrally forming a left convex structure and a right concave structure, wherein a pin hole is formed in the left convex structure, and two coaxial pin holes are formed in the right concave structure;
the convex structure of the tension and compression sensor I is inserted into the concave structure of the tension and compression sensor II, and the hinge joint of the tension and compression sensor I and the concave structure is realized through the cylindrical pin I.
5. The excavator digging force measuring device of claim 1, wherein: the left guard plate consists of a guard plate I and a sensor mounting plate I;
the sensor mounting plate I is vertically arranged on the outer side surface of the protection plate I and is parallel to an inclined plane of the protection plate I;
and a proximity sensor II is arranged in the sensor mounting plate I.
6. The excavator digging force measuring device according to claim 5, wherein: the right guard plate consists of a guard plate II and a sensor mounting plate II;
the guard plate II is of a triangular structure, a pin hole is formed in the included angle at the top of the guard plate II, and the sensor mounting plate II is vertically arranged on the outer side surface of the guard plate II and is parallel to an inclined surface of the guard plate II;
a proximity sensor I is arranged in the sensor mounting plate II;
the installation positions of the proximity sensor I and the proximity sensor II are mirror images.
7. The excavator digging force measuring device of claim 1, wherein: the base is composed of a bottom plate, a mounting seat I and a mounting seat II;
the mounting base I and the mounting base II are correspondingly mounted on the bottom plate, and pin holes are formed in the mounting base I and the mounting base II respectively and used for enabling the base to be hinged to the tension-compression sensor I and the tension-compression sensor II.
8. Excavator digging force test equipment, its characterized in that: comprising an excavator, a test plane and a force measuring device according to any one of claims 1 to 7;
the force measuring device is fixedly arranged on the bucket tooth of the excavator and is in contact with the test plane;
when the excavating force of the bucket rod is tested, the posture of the bucket rod is adjusted, so that the force measuring device is clamped on a test plane and cannot move when the bucket rod is retracted, and the force measuring device tests the excavating force of the bucket rod at the moment;
when the digging force of the bucket is tested, the posture of the bucket is adjusted, so that the force measuring device is clamped on the test plane and cannot move when the bucket is retracted, and the force measuring device tests the digging force of the bucket at the moment.
9. The excavator excavating force testing apparatus of claim 8 wherein the angle a between the test plane and the horizontal plane is 0 ° ~ 70 °.
10. The excavator excavating force testing apparatus of claim 9 wherein: the included angle a between the test plane and the horizontal plane is 30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013463.6U CN209910867U (en) | 2019-07-01 | 2019-07-01 | Excavator digging force measuring device and test equipment using same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921013463.6U CN209910867U (en) | 2019-07-01 | 2019-07-01 | Excavator digging force measuring device and test equipment using same |
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| CN209910867U true CN209910867U (en) | 2020-01-07 |
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| CN201921013463.6U Active CN209910867U (en) | 2019-07-01 | 2019-07-01 | Excavator digging force measuring device and test equipment using same |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261023A (en) * | 2019-07-01 | 2019-09-20 | 徐州徐工矿业机械有限公司 | A kind of excavator digging force device for measuring force and the rig for testing using the device for measuring force |
-
2019
- 2019-07-01 CN CN201921013463.6U patent/CN209910867U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110261023A (en) * | 2019-07-01 | 2019-09-20 | 徐州徐工矿业机械有限公司 | A kind of excavator digging force device for measuring force and the rig for testing using the device for measuring force |
| WO2021000895A1 (en) * | 2019-07-01 | 2021-01-07 | 徐州徐工矿业机械有限公司 | Excavating-force measurement device for excavator and test apparatus using force measurement device |
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