A caliper system for measuring bucket tooth profile dimensions

Abstract

The present disclosure relates to a caliper system for measuring the outline size of a bucket tooth, comprising: a first caliper plate, a first slot body is opened at one end, and a plurality of first probes are arranged on one side and can be extended into the first slot body; a second caliper plate is arranged perpendicular to the first caliper plate, a second slot body is opened at one end of the second caliper plate near the top of the first slot body, and a plurality of second probes are arranged on one side and can be extended into the second slot body; wherein the depth directions of the first slot body and the second slot body are parallel to each other and can at least partially cover the outside of the bucket tooth, and the first caliper plate and / or the second caliper plate are also arranged at one end near the bottom of the first slot body or the second slot body. The third probes can be extended into the second slot body, and the extension directions of the first probe, the second probe and the third probe are not coplanar. Based on the above technical features, the embodiment of the present disclosure can quickly measure the outline coordinates of the main positions of the bucket tooth.

Description

Technical Field

[0001] The present invention relates to the field of mechanical manufacturing and maintenance, and in particular to a caliper system for measuring the profile size of bucket teeth. Background Art

[0002] For large-scale machinery such as excavators and loaders that perform earthwork excavation and loading in the construction machinery field, bucket teeth are key components of the bucket used to perform the excavation action. Bucket teeth, with their wedge-shaped structure or other sharp shapes, directly contact the excavated materials during work, thereby playing the role of cutting and stripping the materials. Although bucket teeth are usually cast or forged from special wear-resistant steel, it is still difficult to avoid varying degrees of wear and tear during long-term use.

[0003] The wear resistance of bucket teeth can be evaluated by the degree of deviation between their actual profile dimensions and the designed profile dimensions. In the working process of construction machinery such as excavators and loaders, bucket teeth with qualified profile dimensions can guarantee the efficiency of excavation and loading earth and stone to the greatest extent. Therefore, it is very important to evaluate the profile dimensions of bucket teeth. Summary of the invention

[0004] In view of this, the embodiment of the present disclosure provides a caliper system for measuring the contour dimensions of bucket teeth, which can quickly measure the contour coordinates of the main positions of the bucket teeth, is insensitive to the measurement environment, has a certain degree of universality for bucket teeth of different models and specifications, is easy to operate, and has low production costs.

[0005] In one aspect of the present disclosure, a caliper system for measuring bucket tooth profile dimensions is provided, characterized in that it comprises:

[0006] A first caliper plate, having a first slot body at one end and a plurality of first probes that can be extended toward the inside of the first slot body arranged on one side;

[0007] A second caliper plate is arranged perpendicularly to the first caliper plate, the second caliper plate is provided with a second slot at one end close to the top of the first slot, and a plurality of second probes are arranged on one side thereof and are retractable toward the inside of the second slot;

[0008] The depth directions of the first trough body and the second trough body are parallel to each other and can at least partially cover the outer side of the bucket tooth. The first caliper plate and / or the second caliper plate are also provided with a plurality of third probes at one end close to the bottom of the first trough body or the second trough body. The third probes can be extended toward the inside of the second trough body, and the extension directions of the first probe, the second probe and the third probe are not coplanar.

[0009] In some embodiments, the first caliper plate is parallel to the tooth width direction of the bucket tooth, the second caliper plate is parallel to the tooth thickness direction of the bucket tooth, and the depth directions of the first trough body and the second trough body are parallel to the tooth length direction of the bucket tooth.

[0010] In some embodiments, there are multiple second caliper plates, and the multiple second caliper plates are arranged in parallel. The caliper system further includes:

[0011] A plurality of adjusting screws vertically pass through the plurality of second caliper plates, are detachably connected to each of the second caliper plates via an adjusting nut, and are configured to adjust the spacing between the plurality of second caliper plates.

[0012] In some embodiments, the second caliper plate is further provided with a slot at an end away from the top of the second trough body, and the width of the slot matches the thickness of the first caliper plate so that the first caliper plate can be inserted into the slot and connected to the second caliper plate, and the depth direction of the slot is parallel to the depth direction of the second trough body, and the slot and the second trough body do not intersect each other.

[0013] In some embodiments, the third probe is arranged on the second caliper plate and is located on the same side of the second caliper plate as the second probe, and the number of the second caliper plates is three; when the first caliper plate is connected to the second caliper plate, the opening position of the slot on the second caliper plate is set to: the first probe coincides with the symmetry plane in the width direction of the second slot body, and the spacing between the three second caliper plates is set by the adjusting screw to: the second probe and the third probe arranged on the middle caliper plate coincide with the symmetry plane in the width direction of the first slot body.

[0014] In some embodiments, two of the second caliper plates located on the outer side of the three second caliper plates are also provided with a plurality of slot holes at one end close to the top of the second trough body, and the slot holes are used for the first probe to pass through the second caliper plate, so that the first probe set on the first caliper plate can pass through the outer second caliper plate and be pressed against the bucket tooth.

[0015] In some embodiments, the second caliper plate is further provided with a second elliptical through hole, the second elliptical through hole passes through the slot, and the long axis direction is perpendicular to the depth direction of the slot; a first elliptical through hole is correspondingly provided on the first caliper plate, and when the first caliper plate is connected to the second caliper plate, the interiors of the first elliptical through hole and the second elliptical through hole are interconnected.

[0016] In some embodiments, the first probe, the second probe, and the third probe are provided with external threads, and the caliper system further comprises:

[0017] a plurality of sleeves, fixedly disposed on the first caliper plate and the second caliper plate, and telescopically connected to the first probe, the second probe, and the third probe; and

[0018] The probe nut is fixedly arranged at one end of the sleeve and can cooperate with the external threads of the first probe, the second probe and the third probe, so as to realize self-locking when the first probe, the second probe and the third probe are pressed against the outer surface of the bucket tooth.

[0019] In some embodiments, the first probe, the second probe, and the third probe are provided with ratchets, and the caliper system further comprises:

[0020] a plurality of sleeves, fixedly disposed on the first caliper plate and the second caliper plate, and telescopically connected to the first probe, the second probe, and the third probe; and

[0021] A ratchet is fixedly arranged at one end of the sleeve and can cooperate with the ratchet teeth of the first probe, the second probe and the third probe, so as to realize self-locking when the first probe, the second probe and the third probe are pressed against the outer surface of the bucket tooth.

[0022] In some embodiments, the first caliper plate and the second caliper plate are provided with scales on the side of each sleeve to indicate the extended lengths of the first probe, the second probe and the third probe relative to the respective sleeves.

[0023] In some embodiments, the caliper system further comprises:

[0024] The scale recording device is configured to record the extension lengths of the first probe, the second probe and the third probe relative to the respective sleeves according to the scale under set instructions.

[0025] Therefore, the caliper system described in the embodiment of the present disclosure can quickly measure the contour coordinates of the main positions of the bucket teeth, is insensitive to the measurement environment, has a certain degree of universality for bucket teeth of different models and specifications, and is easy to operate and has low production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings, which constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, serve to explain the principles of the present disclosure.

[0027] The present disclosure may be more clearly understood from the following detailed description with reference to the accompanying drawings, in which:

[0028] Figure 1 is a structural schematic diagram of a main viewing angle of a caliper system according to some embodiments of the present disclosure;

[0029] Figure 2 is a schematic diagram of the structure of a caliper system from a top view according to some embodiments of the present disclosure;

[0030] Figure 3 is a schematic diagram of an isometric perspective structure of a caliper system according to some embodiments of the present disclosure;

[0031] Figure 4 is a schematic diagram of an installation state of a caliper system according to some embodiments of the present disclosure;

[0032] Figure 5 yes Figure 4 Schematic diagram of the structure of the enlarged state of the middle I region;

[0033] Figure 6 It is a structural schematic diagram of a partially enlarged slot of a caliper system according to some embodiments of the present disclosure.

[0034] In the figure:

[0035] 1, first caliper plate; 11, first slot body; 12, first elliptical through hole; 2, second caliper plate; 21, second slot body; 22, slot; 23, second elliptical through hole; 3, bucket tooth; 41, first probe; 42, second probe; 43, third probe; 51, adjusting screw; 52, adjusting nut; 6, sleeve; 7, probe nut; 8, slot hole.

[0036] It should be understood that the size of each part shown in the accompanying drawings is not drawn according to the actual proportional relationship. In addition, the same or similar reference numerals represent the same or similar components. DETAILED DESCRIPTION

[0037] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the present disclosure and its application or use. The present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided to make the present disclosure thorough and complete and to fully express the scope of the present disclosure to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the components and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary and not as limiting.

[0038] The words "first", "second" and similar words used in this disclosure do not indicate any order, quantity or importance, but are only used to distinguish different parts. The words "include" or "comprise" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0039] In the present disclosure, when a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device. When a specific device is described as being connected to other devices, the specific device may be directly connected to the other device without an intermediate device, or may not be directly connected to the other device but have an intermediate device.

[0040] All terms (including technical terms or scientific terms) used in the present disclosure have the same meanings as those understood by ordinary technicians in the field to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, such as general dictionaries, should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined herein.

[0041] Technologies, methods, and equipment known to ordinary technicians in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and equipment should be considered as part of the specification.

[0042] like Figures 1 to 5 As shown:

[0043] The applicant is aware that in the relevant bucket tooth measurement and inspection process, it is necessary to develop a special mold or use a special measuring instrument to make the outer contour of the bucket tooth to be measured completely consistent with the contour of the mold. The mold needs to be developed specifically. In addition, the types, shapes and sizes of bucket teeth on the market vary greatly, making the overall cost of bucket tooth measurement and inspection high. Among them, some bucket tooth measurement and inspection processes require a complete set of test platforms and electrical equipment such as sensors, which must be implemented in a laboratory environment. However, bucket teeth often work in the field, and the measurement and inspection environment is relatively harsh.

[0044] Furthermore, the applicant has found that as a wearing part in excavators and loaders, the wear amount of the overall outer profile of bucket teeth has little effect on actual use, while the wear amount of the main contour points on the working surface of the bucket teeth, such as the cutting edge or the sharp corners, has a greater impact on actual use. Therefore, measuring and inspecting the overall outer profile of the bucket teeth is inefficient and difficult to implement.

[0045] In view of this, in one aspect of the present disclosure, a caliper system for measuring the outline size of a bucket tooth 3 is provided, comprising:

[0046] The first caliper plate 1 has a first slot 11 at one end and a plurality of first probes 41 that can be extended into the first slot 11 are arranged on one side;

[0047] The second caliper plate 2 is arranged perpendicularly to the first caliper plate 1. The second caliper plate 2 is provided with a second slot 21 at one end close to the top of the first slot 11, and a plurality of second probes 42 are arranged on one side to be retractable into the second slot 21;

[0048] Among them, the depth directions of the first trough body 11 and the second trough body 21 are parallel to each other, and can at least partially cover the outer side of the bucket tooth 3. The first caliper plate 1 and / or the second caliper plate 2 are also provided with multiple third probes 43 at one end close to the bottom of the first trough body 11 or the second trough body 21. The third probe 43 can be extended into the interior of the second trough body 21, and the extension directions of the first probe 41, the second probe 42 and the third probe 43 are not coplanar.

[0049] Based on the first caliper plate 1 and the second caliper plate 2 which are arranged perpendicular to each other, the bucket tooth 3 can be accommodated in the first slot 11 of the first caliper plate 1 and the second slot 21 of the second caliper plate 2. At this time, the non-coplanar first probe 41, the second probe 42 and the third probe 43 can be extended and retracted into the first slot 11 and the second slot 21 and closely attached to the surface of the bucket tooth 3. Based on the extended lengths of the first probe 41, the second probe 42 and the third probe 43, the size data of the part of the bucket tooth 3 in contact with the probe can be determined, and then compared with the standard size data, the wear amount of the above-mentioned part can be obtained.

[0050] Since the extension and retraction directions of the first probe 41 , the second probe 42 and the third probe 43 are not coplanar, the dimensional data detected by the first probe 41 , the second probe 42 and the third probe 43 are three-dimensional dimensional data about the bucket tooth 3 , thereby being able to more comprehensively evaluate the degree of wear of the bucket tooth 3 from all directions.

[0051] In order to more conveniently measure the bucket tooth 3, in some embodiments, the first caliper plate 1 is parallel to the tooth width direction of the bucket tooth 3, the second caliper plate 2 is parallel to the tooth thickness direction of the bucket tooth 3, and the depth direction of the first trough body 11 and the second trough body 21 is parallel to the tooth length direction of the bucket tooth 3.

[0052] Since the depth direction of the first trough body 11 and the second trough body 21 is parallel to the tooth length direction of the bucket tooth 3, the caliper assembly composed of the first caliper plate 1 and the second caliper plate 2 can be sleeved from the end of the bucket tooth 3 along the tooth length direction of the bucket tooth 3 to the outside of the bucket tooth 3, so that the wear amount of the bucket tooth 3 can be measured while the bucket tooth 3 continues to be installed on the front end of the bucket, without separating and disassembling the bucket tooth 3 from the bucket or requiring special clamping equipment.

[0053] The first caliper plate 1 is parallel to the tooth width direction of the bucket tooth 3, and the second caliper plate 2 is parallel to the tooth thickness direction of the bucket tooth 3, so that the caliper assembly can be mounted on the bucket tooth 3 in an orthogonal form, reducing the operational difficulty of measuring the wear of the bucket tooth 3 and improving the measurement efficiency.

[0054] In order to increase the number of wear measurement locations on the bucket tooth 3, so as to more comprehensively grasp the wear condition of the bucket tooth 3, in some embodiments, there are multiple second caliper plates 2, and the multiple second caliper plates 2 are arranged in parallel. The caliper system further includes:

[0055] The plurality of adjusting screws 51 vertically pass through the plurality of second caliper plates 2 , are detachably connected to each second caliper plate 2 via an adjusting nut 52 , and are configured to adjust the spacing between the plurality of second caliper plates 2 .

[0056] In this embodiment, a plurality of second caliper plates 2 are provided, and the distances between the plurality of second caliper plates 2 are adjusted by a plurality of adjusting screws 51 and adjusting nuts 52, so that the second probe 42 provided on the second caliper plate 2 performs multi-point sampling on the same tooth thickness plane of the bucket tooth 3, thereby improving the completeness and accuracy of the detection of the wear amount of the bucket tooth 3.

[0057] In order to achieve mutual assembly between the first caliper plate 1 and the second caliper plate 2, in some embodiments, the second caliper plate 2 is further provided with a slot 22 at one end away from the top of the second slot body 21, and the width of the slot 22 matches the thickness of the first caliper plate 1, so that the first caliper plate 1 can be inserted into the slot 22 and connected with the second caliper plate 2, and the depth direction of the slot 22 is parallel to the depth direction of the second slot body 21, and the slot 22 and the second slot body 21 do not intersect each other.

[0058] In some embodiments, two of the second caliper plates 2 located on the outer side of the three second caliper plates 2 are further provided with a plurality of slot holes 8 at one end close to the top of the second trough body 21, and the slot holes 8 are allowed for the first probe 41 to pass through the second caliper plate 2, so that the first probe 41 set on the first caliper plate 1 can pass through the outer second caliper plate 2 and be pressed against the bucket tooth 3.

[0059] Since the first probe 41 and the second probe 42 are respectively arranged on the sides of the first caliper plate 1 and the second caliper plate 2, in order to avoid the interference between the assembly process of the first caliper plate 1 and the second caliper plate 2 and the telescopic movement of the first probe 41 and the second probe 42, the embodiment of the present disclosure also arranges slots on the first caliper plate 1 and the second caliper plate 2, so that the first probe 41 passes through the second caliper plate 2 through the slots, or the second probe 42 passes through the first caliper plate 1 through the slots. The arrangement area of ​​the above-mentioned slots on the first caliper plate 1 and the second caliper plate 2 is larger than the projection area of ​​the corresponding probes on the first caliper plate 1 and the second caliper plate 2.

[0060] Based on the setting of the slot 22, a detachable connection relationship is formed between the first caliper plate 1 and the second caliper plate 2, so that the caliper system can be quickly assembled during the measurement and inspection process, and the caliper system can be conveniently dismantled and transported after the measurement and inspection are completed.

[0061] Of course, for those skilled in the art, the slot 22 can also be set on the first caliper plate 1, or simultaneously set on the first caliper plate 1 and the second caliper plate 2. The technical effect produced is similar to that of the above embodiment and will not be repeated here.

[0062] Figure 1 is a schematic diagram of the structure of the main viewing angle of the caliper system according to some embodiments of the present disclosure, Figure 2 is a schematic diagram of the structure of a caliper system from a top view according to some embodiments of the present disclosure, Figure 3 is a schematic diagram of the isometric angle structure of a caliper system according to some embodiments of the present disclosure. Figures 1 to 3 As shown:

[0063] In some embodiments, the third probe 43 is disposed on the second caliper plate 2 and is located on the same side of the second caliper plate 2 as the second probe 42, and the number of second caliper plates 2 is three; when the first caliper plate 1 is connected to the second caliper plate 2, the opening position of the slot 22 in the second caliper plate 2 is set to: the first probe 41 coincides with the symmetry plane in the width direction of the second slot body 21, and the spacing between the three second caliper plates 2 is set by the adjusting screw 51 to: the second probe 42 and the third probe 43 arranged on the middle caliper plate coincide with the symmetry plane in the width direction of the first slot body 11.

[0064] Based on the attached Figures 1 to 3On the basis of the vertical arrangement of the first caliper plate 1 and the second caliper plate 2, the first probe 41 coincides with the symmetry plane in the width direction of the second trough body 21, and the second probe 42 and the third probe 43 on the middle second caliper plate 2 coincide with the symmetry plane in the width direction of the first trough body 11, so that the first probe 41, the second probe 42 and the third probe 43 are arranged orthogonally to each other, and when the bucket tooth 3 is symmetrically arranged on the symmetry planes of the first trough body 11 and the second trough body 21, they are opposite to the central symmetry planes in all directions of the bucket tooth 3, so as to grasp the wear degree of the bucket tooth 3 at the key feature point.

[0065] To facilitate the holding of the caliper system, in some embodiments, the second caliper plate 2 is further provided with a second elliptical through hole 23, which passes through the slot 22, and the long axis direction is perpendicular to the depth direction of the slot 22; a first elliptical through hole 12 is correspondingly provided on the first caliper plate 1, and when the first caliper plate 1 is connected to the second caliper plate 2, the interiors of the first elliptical through hole 12 and the second elliptical through hole 23 are interconnected.

[0066] Figure 4 is a schematic diagram of the installation state of a caliper system according to some embodiments of the present disclosure, Figure 5 yes Figure 4 Schematic diagram of the structure of the enlarged state of region I. Figures 4-5 As shown:

[0067] In some embodiments, the first probe 41, the second probe 42 and the third probe 43 are provided with external threads, and the caliper system further comprises:

[0068] A plurality of sleeves 6 are fixedly disposed on the first caliper plate 1 and the second caliper plate 2, and are telescopically connected to the first probe 41, the second probe 42 and the third probe 43; and

[0069] The probe nut 7 is fixedly disposed at one end of the sleeve 6 and can cooperate with the external threads of the first probe 41 , the second probe 42 and the third probe 43 , so as to achieve self-locking when the first probe 41 , the second probe 42 and the third probe 43 are pressed against the outer surface of the bucket tooth 3 .

[0070] Through the combination of the sleeve 6 and the probe nut 7, the first probe 41, the second probe 42 and the third probe 43 can move along the directions defined by their corresponding sleeves 6 by rotating themselves until the ends of the probes abut against the contour surface of the bucket tooth 3 to be measured, thereby realizing the locking of the probes relative to the probe nut 7 according to the principle of threaded fastening.

[0071] Of course, the mechanical principle between the ratchet and the ratchet teeth can also be used to achieve self-locking of the first probe 41, the second probe 42 and the third probe 43: In some embodiments, the first probe 41, the second probe 42 and the third probe 43 are provided with ratchets, and the caliper system further includes:

[0072] A plurality of sleeves 6 are fixedly disposed on the first caliper plate 1 and the second caliper plate 2, and are telescopically connected to the first probe 41, the second probe 42 and the third probe 43; and

[0073] The ratchet is fixedly disposed at one end of the sleeve 6 and can cooperate with the ratchet teeth of the first probe 41 , the second probe 42 and the third probe 43 , so as to achieve self-locking when the first probe 41 , the second probe 42 and the third probe 43 are pressed against the outer surface of the bucket tooth 3 .

[0074] The ratchet and ratchet mechanism is a mechanism that can achieve unidirectional intermittent motion. Its structure mainly includes a one-way ruler (which can be a gear or a rack) and a pawl. When the one-way ruler moves in the forward direction, the top contour of the one-way ruler itself can push the pawl open. When the pawl completely crosses the top contour of the ruler, due to the disappearance of the thrust, the pawl is reset under the action of the rebound force (the rebound force is the deformation restoring force generated by the pawl being pushed away or is achieved by setting a pawl spring, etc.), and clamps the rear end of the top contour of the one-way ruler, thereby realizing the unidirectional movement of the ratchet mechanism.

[0075] The present disclosure utilizes the principle of ratchet, ratchet teeth or threaded connection to realize self-locking of the probe, so that the probe is fixed once it abuts against the surface of the bucket tooth 3 to be measured, thereby facilitating reading of the physical quantity representing the wear degree of the bucket tooth 3 during the measurement process.

[0076] In some embodiments, the first caliper plate 1 and the second caliper plate 2 are provided with scales on the side of each sleeve 6 to indicate the extended lengths of the first probe 41 , the second probe 42 and the third probe 43 relative to their respective sleeves 6 .

[0077] Furthermore, in some embodiments, the caliper system further comprises:

[0078] The scale recording device is configured to record the extension lengths of the first probe 41 , the second probe 42 and the third probe 43 relative to their respective sleeves 6 according to the scale under the set instructions.

[0079] The scale recording device may include a camera to photograph the scale positions of the respective probes from multiple angles, thereby recording the extension lengths of the respective probes relative to the respective sleeves 6. At this time, the set instructions correspondingly include shutter instructions.

[0080] Of course, the scale recording device may also include a displacement sensor or a proximity switch, which can record the extension length of each probe relative to the respective sleeve 6 by detecting the displacement or end position of each probe.

[0081] Therefore, according to the embodiment of the present disclosure, the contour coordinates of the main positions of the bucket teeth 3 can be quickly measured, the measurement environment is insensitive, the bucket teeth 3 of different models and specifications have a certain degree of versatility, and the operation is convenient and the production cost is low.

[0082] The following is combined with Figures 1 to 4 Further describe the working process of this application:

[0083] (I) Analysis and calculation of bucket tooth 3 wear:

[0084] According to the tonnage and basic shape of the bucket tooth 3 to be tested, reasonably select a caliper of the same level that matches it;

[0085] Pre-select a probe of appropriate length, insert it into the sleeve 6 fixed on each caliper plate and screw it into the probe nut 7;

[0086] During measurement, the right caliper plate, the middle caliper plate, and the left caliper plate of the second caliper plate 2 are clamped onto the bucket tooth 3 to be measured, and are pre-tightened and fixed by adjusting the lead screw 51 and the lead screw nut;

[0087] Push the first caliper plate 1 into the slots 22 provided on the left, middle and right caliper plates of the third caliper plate and push ...

[0088] Find the mold opening parting surface of the bucket tooth 3 (i.e., the central symmetric surface in the thickness direction of the bucket tooth 3), and manually adjust the position and angle of the first caliper plate 1 so that the central plane of the first caliper plate 1 coincides with the mold opening parting surface of the bucket tooth 3;

[0089] At this time, the first probe 41 on the first caliper plate 1 is rotated along the y-axis in the figure, so that all the first probes 41 contact the contour of the bucket tooth 3, and the first caliper plate 1 is loosened. Because the first probe 41 contacts the surface of the bucket tooth 3, the first caliper plate 1 is also fixed;

[0090] According to the actual width of the bucket tooth 3 and the surveying point, the screw 51 and the screw nut can be fine-tuned again, and then tightened after reaching the required position, thereby fixing the relative distance between the three second caliper plates 2;

[0091] The second probe 42 (along the z-axis in the figure) and the third probe 43 (along the x-axis in the figure) are rotated to contact the contour surface of the bucket tooth 3. In this way, the caliper system and the bucket tooth 3 to be measured are relatively fixed, and the hands of the surveyor are completely freed.

[0092] Take photos of the caliper system in this state from multiple angles, paying attention to the focus on the scale position where the probe is located;

[0093] After the shooting is completed, the caliper system can be separated from the bucket tooth 3, and if there is no storage requirement, the caliper system does not need to be completely disassembled, and can continue to be used to measure other bucket teeth of the bucket, or to perform the next measurement;

[0094] After the measurement is completed, the scale data can be photographed for subsequent analysis and compared with the results of measurements during other working periods to ultimately obtain a curve of the wear amount at each position of the bucket tooth.

[0095] (II) Quick inspection of bucket tooth profile:

[0096] Apply the clamping method of the caliper system to the standard bucket tooth, record the scale at this time and mark it on the caliper plate;

[0097] Then apply it to the bucket tooth being inspected. If the positions of all probes are on the scale or within the allowable tolerance range, the bucket tooth can be considered qualified. If the probes at certain positions show that the dimensions are unqualified, it can provide a basis for subsequent bucket tooth product improvements.

[0098] Based on the various embodiments and use methods of the caliper system of the present application, the present application has at least one of the following beneficial technical effects:

[0099] The embodiment of the present application uses a measurement method of a multi-dimensional caliper and a probe, and is designed using the screw rotation lift motion and self-locking principle in the mechanical principle, so as to realize the three-dimensional coordinate profile measurement of the bucket tooth 3 (or other bucket tooth-like components);

[0100] The embodiment of the present application can be suitable for measuring a variety of bucket teeth of the same or similar level with similar sizes, and has strong versatility;

[0101] The embodiments of the present application are widely used and can be applied in any surveying and mapping environment. A single person can operate the surveying and mapping method, and the surveying and mapping method is reliable, efficient and fast.

[0102] The embodiments of the present application are mature and feasible, easy to manufacture, require less consumables, have low manufacturing costs, and are convenient for later maintenance and replacement of parts;

[0103] Through the usage method corresponding to the embodiment of the present application, the inspector can quickly find the problem points of the bucket teeth, improve product reliability, and reduce production and maintenance costs.

[0104] So far, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0105] Although some specific embodiments of the present disclosure have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present disclosure. The scope of the present disclosure is defined by the appended claims.

Claims

1. A caliper system for measuring the outline dimensions of a bucket tooth (3), characterized in that: include: A first caliper plate (1) has a first slot (11) at one end and a plurality of first probes (41) that are retractable toward the inside of the first slot (11) are arranged on one side; A second caliper plate (2) is arranged perpendicularly to the first caliper plate (1), the second caliper plate (2) is provided with a second slot (21) at one end close to the top of the first slot (11), and a plurality of second probes (42) are arranged on one side and are retractable into the interior of the second slot (21); The first trough body (11) and the second trough body (21) are parallel to each other in depth direction and can at least partially cover the outer side of the bucket tooth (3); the first caliper plate (1) and / or the second caliper plate (2) are further provided with a plurality of third probes (43) at one end close to the bottom of the first trough body (11) or the second trough body (21); the third probes (43) can be extended toward the inside of the second trough body (21); and the extension directions of the first probe (41), the second probe (42) and the third probe (43) are not coplanar.

2. The caliper system according to claim 1, characterized in that The first caliper plate (1) is parallel to the tooth width direction of the bucket tooth (3), the second caliper plate (2) is parallel to the tooth thickness direction of the bucket tooth (3), and the depth direction of the first trough body (11) and the second trough body (21) is parallel to the tooth length direction of the bucket tooth (3).

3. The caliper system according to claim 2, characterized in that There are a plurality of the second caliper plates (2), and the plurality of the second caliper plates (2) are arranged in parallel. The caliper system further comprises: A plurality of adjusting screws (51) vertically pass through the plurality of second caliper plates (2), are detachably connected to each of the second caliper plates (2) via an adjusting nut (52), and are configured to adjust the spacing between the plurality of second caliper plates (2).

4. The caliper system according to claim 3, characterized in that The second caliper plate (2) is further provided with a slot (22) at one end away from the top of the second trough body (21); the width of the slot (22) matches the thickness of the first caliper plate (1), so that the first caliper plate (1) can be inserted into the slot (22) to be connected with the second caliper plate (2); the depth direction of the slot (22) is parallel to the depth direction of the second trough body (21); and the slot (22) and the second trough body (21) do not intersect each other.

5. The caliper system according to claim 4, characterized in that The third probe (43) is arranged on the second caliper plate (2) and is located on the same side of the second caliper plate (2) as the second probe (42), and the number of the second caliper plates (2) is three; when the first caliper plate (1) is connected to the second caliper plate (2), the opening position of the slot (22) on the second caliper plate (2) is set so that the first probe (41) overlaps with the symmetric plane in the width direction of the second slot body (21), and the spacing between the three second caliper plates (2) is set by the adjusting screw (51) so that the second probe (42) and the third probe (43) arranged on the middle caliper plate overlap with the symmetric plane in the width direction of the first slot body (11).

6. The caliper system according to claim 5, characterized in that Two of the second caliper plates (2) located on the outer side of the three second caliper plates (2) are also provided with a plurality of slot holes (8) at one end close to the top of the second trough body (21), and the slot holes (8) allow the first probe (41) to pass through the second caliper plate (2), so that the first probe (41) arranged on the first caliper plate (1) can pass through the outer second caliper plate (2) and be pressed against the bucket tooth (3).

7. The caliper system according to claim 4, characterized in that The second caliper plate (2) is further provided with a second elliptical through hole (23), the second elliptical through hole (23) passes through the slot (22), and the long axis direction is perpendicular to the depth direction of the slot (22); the first caliper plate (1) is correspondingly provided with a first elliptical through hole (12), and when the first caliper plate (1) and the second caliper plate (2) are connected, the interiors of the first elliptical through hole (12) and the second elliptical through hole (23) are interconnected.

8. The caliper system according to claim 1, characterized in that The first probe (41), the second probe (42) and the third probe (43) are provided with external threads, and the caliper system further comprises: A plurality of sleeves (6) are fixedly disposed on the first caliper plate (1) and the second caliper plate (2), and are telescopically connected to the first probe (41), the second probe (42) and the third probe (43); and A probe nut (7) is fixedly arranged at one end of the sleeve (6) and can cooperate with the external threads of the first probe (41), the second probe (42) and the third probe (43), so as to achieve self-locking when the first probe (41), the second probe (42) and the third probe (43) are pressed against the outer surface of the bucket tooth (3).

9. The caliper system according to claim 1, characterized in that The first probe (41), the second probe (42) and the third probe (43) are provided with ratchets, and the caliper system further comprises: A plurality of sleeves (6) are fixedly disposed on the first caliper plate (1) and the second caliper plate (2), and are telescopically connected to the first probe (41), the second probe (42) and the third probe (43); and A ratchet is fixedly arranged at one end of the sleeve (6) and can cooperate with the ratchet teeth of the first probe (41), the second probe (42) and the third probe (43), so as to achieve self-locking when the first probe (41), the second probe (42) and the third probe (43) are pressed against the outer surface of the bucket tooth (3).

10. The caliper system according to any one of claims 8 or 9, characterized in that: The first caliper plate (1) and the second caliper plate (2) are provided with scales on the side of each sleeve (6) for indicating the protruding lengths of the first probe (41), the second probe (42) and the third probe (43) relative to the respective sleeves (6).

11. The caliper system according to claim 10, characterized in that Also includes: The scale recording device is configured to record the extension lengths of the first probe (41), the second probe (42) and the third probe (43) relative to the respective sleeves (6) according to the scale under set instructions.

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