CN107063055B - Trolley chain plate verticality detection tool and machining process of trolley chain plate - Google Patents
Trolley chain plate verticality detection tool and machining process of trolley chain plate Download PDFInfo
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- CN107063055B CN107063055B CN201710317738.4A CN201710317738A CN107063055B CN 107063055 B CN107063055 B CN 107063055B CN 201710317738 A CN201710317738 A CN 201710317738A CN 107063055 B CN107063055 B CN 107063055B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B5/245—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes for testing perpendicularity
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- A Measuring Device Byusing Mechanical Method (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The application discloses a tool for detecting the verticality of a trolley chain plate, which comprises a leveling plate, a connecting plate, a right angle detecting device and a measuring device, wherein the lower surface of the leveling plate is attached to the upper surface of a cover plate. The upper surface of the connecting plate is parallel to the lower surface of the leveling plate, and at least one end of the connecting plate extends out of the outer side of the leveling plate. The right angle detection device comprises a first connecting piece and a second connecting piece connected with the first connecting piece, the second connecting piece is located below the first connecting piece, the lower surface of the first connecting piece is in butt joint with the upper surface of the connecting plate and is parallel to each other, the outer side surface of the second connecting piece, away from the first connecting piece, is perpendicular to the lower surface of the first connecting piece, and the measuring device is used for measuring the gap between the right angle detection device and the chain link plate. The overhead travelling crane chain plate verticality detection tool provided by the application improves the running stability of the overhead travelling crane. The application also discloses a processing technology of the trolley chain plate.
Description
Technical Field
The application relates to the technical field of production of trolley chain plates, in particular to a trolley chain plate verticality detection tool. The application also relates to a processing technology of the trolley chain plate.
Background
The chain transmission device is transmission equipment of a sintering machine operation system of a steel plant, a chain is assembled with a sintering trolley, mineral powder is transported under the drive of a motor and a chain wheel, the chain is formed by connecting a plurality of groups of chain plates end to end, the trolley chain plates comprise a cover plate and two chain ring plates, the two chain ring plates are arranged in parallel, the cover plate is arranged and installed above the two chain ring plates, and the trolley is installed on the cover plate, wherein the cover plate is perpendicular to the two chain ring plates. When the chain transmission device is assembled, the two chain ring plate groups are assembled firstly, then are assembled with the cover plate in pairs, and finally are connected after the assembly of the trolley chain plates is completed, so that the chain transmission device is formed.
However, since the crown block chain plate is directly assembled into the chain transmission device after the assembly of the crown block chain plate, however, in the assembly process, workers cannot ensure that the perpendicularity between the cover plate and the chain ring plate in each crown block chain plate is within a preset range, if the crown block chain plate which does not meet the perpendicularity requirement is used, the chain transmission device is severely rocked in the use process, so that the running stability of the crown block is poor.
Therefore, how to improve the running stability of the trolley is a technical problem to be solved by the person skilled in the art.
Disclosure of Invention
The application aims to provide a tool for detecting the verticality of a chain plate of a trolley so as to improve the running stability of the crown block. The application further aims to provide a processing technology of the trolley chain plate.
In order to achieve the above object, the present application provides a tool for detecting verticality of a link plate of a trolley, comprising:
the lower surface of the leveling plate is attached to the upper surface of the cover plate, and the lower surface of the leveling plate is parallel to the upper surface of the cover plate;
the connecting plate is arranged on the upper surface of the leveling plate, the upper surface of the connecting plate is parallel to the lower surface of the leveling plate, and at least one end of the connecting plate extends out of the outer side of the leveling plate;
the right angle detection device comprises a first connecting piece and a second connecting piece connected with the first connecting piece, wherein the second connecting piece is positioned below the first connecting piece, the lower surface of the first connecting piece is abutted with the upper surface of the connecting plate and is parallel to the upper surface of the connecting plate, and the outer side surface of the second connecting piece, which is far away from the first connecting piece, is perpendicular to the lower surface of the first connecting piece;
and the measuring device is used for measuring the clearance between the right angle detection device and the chain ring plate.
Preferably, the connecting plate is a channel steel, the upper surface of the channel steel is a plane, and the support legs of the channel steel are connected with the upper surface of the leveling plate.
Preferably, the right angle detection device is a seat ruler.
Preferably, the measuring device is a feeler gauge.
A processing technology of a trolley chain plate comprises the following steps:
the trolley chain plate verticality detection tool is used for detecting the trolley chain plate verticality and eliminating the trolley chain plate with exceeding verticality.
Preferably, the method further comprises the steps of: and machining the end face of the rib plate.
Preferably, the method further comprises the steps of: annealing the welded link plate at 600-650 deg.c for 6-8 hr.
Preferably, the method further comprises the step of carrying out a heat setting process on the chain ring plate after machining, wherein the setting temperature is 235-285 ℃, and the heat preservation time is 6-8 h.
Preferably, the method further comprises the step of providing the tamper-proof slot to the link plate mounting end face of the decking blank.
Preferably, the method further comprises the step of drilling a bottom hole into the link plate by machining.
In the technical scheme, the trolley chain plate verticality detection tool provided by the application comprises a leveling plate, a connecting plate, a right angle detection device and a measuring device, wherein the lower surface of the leveling plate is attached to the upper surface of the cover plate. The upper surface of the connecting plate is parallel to the lower surface of the leveling plate, and at least one end of the connecting plate extends out of the outer side of the leveling plate. The right angle detection device comprises a first connecting piece and a second connecting piece connected with the first connecting piece, wherein the second connecting piece is positioned below the first connecting piece, the lower surface of the first connecting piece is in butt joint with the upper surface of the connecting plate and is parallel to the upper surface of the connecting plate, and the outer side surface of the second connecting piece, which is far away from the first connecting piece, is perpendicular to the lower surface of the first connecting piece. The measuring device is used for measuring the clearance between the right angle detecting device and the chain ring plate. When the verticality of the trolley chain plate needs to be detected, firstly, the leveling plate is attached to the upper surface of the cover plate, then, the connecting plate is installed on the leveling plate, the right angle detection device is slid according to the requirement, the gap between the right angle detection device and the chain ring plate is detected through the measurement device, the verticality is obtained, and then, the trolley chain plate with the verticality meeting the requirement is assembled into a chain.
As can be seen from the above description, in the tool for detecting verticality of a trolley chain plate provided by the present application, since the lower surface of the leveling plate is parallel to the upper surface of the cover plate, the upper surface of the connecting plate is parallel to the lower surface of the leveling plate, the lower surface of the first connecting piece is abutted against the upper surface of the connecting plate and parallel to each other, the outer side surface of the second connecting piece away from the first connecting piece is perpendicular to the lower surface of the first connecting piece, when the right angle detection device slides, the perpendicularity between the chain ring plate and the cover plate is obtained, the clearance between the outer side surface of the second connecting piece and the chain ring plate is detected by the measurement device, the qualified trolley chain plate is detected, the condition that the trolley chain plates with exceeding verticality are assembled and used is avoided, so that the overhead travelling crane chain plate verticality detection tool provided by the application improves the running stability of the overhead travelling crane.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present application, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a link plate of a trolley according to an embodiment of the present application;
FIG. 2 is a bottom three-dimensional view of a pallet chain slat provided by an embodiment of the present application;
FIG. 3 is a schematic view of a link plate according to an embodiment of the present application;
FIG. 4 is a schematic structural view of a cover plate according to an embodiment of the present application;
FIG. 5 is an enlarged view of the portion A of the cover plate shown in FIG. 4;
FIG. 6 is a schematic view of a leveling plate and a connecting plate according to an embodiment of the present application;
fig. 7 is a position diagram of a tool for detecting verticality of a trolley chain plate according to an embodiment of the present application.
Wherein in fig. 1-7: 1-chain ring plate, 2-cover plate, 3-rib plate, 4-bottom hole, 5-anti-interference groove, 6-leveling plate, 7-connecting plate and 8-right angle detection device.
Detailed Description
The application provides a tool for detecting the verticality of a chain plate of a trolley so as to improve the running stability of the crown block. The application further provides a processing technology of the trolley chain plate.
The present application will be described in further detail below with reference to the drawings and embodiments, so that those skilled in the art can better understand the technical solutions of the present application.
Referring to fig. 1 to 7, in a specific embodiment, the tool for detecting the verticality of a trolley chain plate according to the embodiment of the present application includes a leveling plate 6, a connecting plate 7, a right angle detecting device 8 and a measuring device, wherein the lower surface of the leveling plate 6 is attached to the upper surface of the cover plate 2, that is, the lower surface of the leveling plate 6 is parallel to the upper surface of the cover plate 2. Preferably, the plane of the leveling plate 6 is processed, and the leveling plate is completely attached to the plane of the cover plate 2 when detecting verticality.
The installation of connecting plate 7 is on the upper surface of screed 6, and the upper surface of connecting plate 7 is parallel with screed 6's lower surface, and connecting plate 7 at least one end stretches out screed 6 outside for the measurement straightness that hangs down for right angle measuring device slides on connecting plate 7, and preferably, the length of connecting plate 7 is greater than the length of chain link board 1. Specifically, connecting plate 7 can be the rectangular plate, in order to alleviate the whole weight of platform truck link joint straightness detection frock, reduces the connecting plate 7 processing degree of difficulty, and preferably, connecting plate 7 is the channel-section steel, and the upper surface of channel-section steel is the plane, and the stabilizer blade and the upper surface of screed 6 of channel-section steel are connected. The upper plane of the channel steel is machined and milled on the basis of the plane of the leveling plate 6, so that the upper surface of the channel steel is parallel to the plane of the cover plate 2.
The right angle detection device 8 includes the second connecting piece that first connecting piece and first connecting piece are connected, and the second connecting piece is located first connecting piece below, and the lower surface of first connecting piece and the upper surface butt of connecting plate 7, and are parallel to each other, and the lateral surface that the first connecting piece was kept away from to the second connecting piece is perpendicular with the lower surface of first connecting piece, in order to reduce staff's intensity of labour, preferably, first connecting piece and second connecting piece are rectangular plate structure, and first connecting piece and second connecting piece set up perpendicularly, and specifically, first connecting piece can be assembled through modes such as bonding, welding, threaded connection. In order to reduce the difficulty of measurement, the right angle detection device 8 is preferably a seat ruler.
The measuring device is used for measuring the clearance between the right angle detecting device 8 and the chain ring plate 1. In order to reduce the measurement difficulty, the measuring device is preferably a feeler gauge.
When the verticality of the trolley chain plate needs to be detected, firstly, the leveling plate 6 is attached to the upper surface of the cover plate 2, then the connecting plate 7 is installed on the leveling plate 6, the right angle detection device 8 slides according to the requirement, the gap between the right angle detection device 8 and the chain ring plate 1 is detected through the measuring device, the verticality is obtained, and then the trolley chain plate with the verticality meeting the requirement is assembled into a chain. Namely, if the perpendicularity between the cover plate 2 and the chain link plate 1 is to be measured, the method of measuring the perpendicularity between the upper surface of the channel steel and the chain link plate 1 can be used for replacing, so that the horizontal edge of the 90-degree seat crutch is attached to the upper plane of the channel steel, then the attachment condition of the seat crutch and the chain link plate 1 is detected by using the vertical edge of the seat crutch, and the place where the attachment is not tight is preferably checked by using a clearance gauge smaller than 1mm, and further whether the perpendicularity exceeds the standard is detected.
As can be seen from the above description, in the tool for detecting the verticality of the trolley chain plate provided by the specific embodiment of the application, since the lower surface of the leveling plate 6 is parallel to the upper surface of the cover plate 2, the upper surface of the connecting plate 7 is parallel to the lower surface of the leveling plate 6, the lower surface of the first connecting piece is abutted to the upper surface of the connecting plate 7 and parallel to each other, the outer side surface of the second connecting piece, which is far away from the first connecting piece, is perpendicular to the lower surface of the first connecting piece, the right angle detection device 8 slides back and forth, so as to obtain the verticality of the chain plate 1 and the cover plate 2, and the clearance between the outer side surface of the second connecting piece and the chain plate 1 is detected by the measurement device, so that the qualified trolley chain plate is detected, and the situation that the trolley chain plate exceeding the verticality is assembled and used is avoided.
The processing technology of the trolley chain plate provided by the application comprises the following steps:
and detecting the verticality of the trolley chain plate through any trolley chain plate verticality detection tool, and eliminating the trolley chain plate with exceeding verticality. The chain is assembled by the trolley chain plate with exceeding verticality through detecting the verticality of the trolley chain plate, so that the running stability of the crown block is improved.
Further, in order to improve the connection strength, the two link plates 1 are connected through two side by side arranged rib plates 3, and the roughness of the contact end surfaces of the two rib plates 3 and the link plates 1 can influence the assembly precision of the two link plates 1, in order to improve the manufacturing precision, the parallelism of the two link plates 1 during assembly is ensured, preferably, the processing technology of the trolley link plate further comprises the following steps: the end face of the rib plate 3 is machined by machining. The end face of the rib plate 3 is changed into the size of a machine tool, the machining precision of the machine tool is used for ensuring the assembly precision, the inner gear size of the two-chain annular plate 1 during assembly of the chain plate is better ensured, and the size precision of the part is improved. Thereby ensuring the assembly quality.
Furthermore, after the welding of the chain plate is finished, in order to eliminate the welding stress and avoid the change of parallelism and verticality caused by the welding stress, the processing technology of the trolley chain plate further comprises the following steps: and (3) annealing the welded chain ring plate 1, wherein the annealing temperature is 600-650 ℃, the heat preservation time is 6-8 h, a heat treatment process is added, and the post-welding annealing is performed to eliminate the welding stress. Preventing the deformation of the link plate 1 caused by welding stress. Further, the processing technology of the trolley chain plate further comprises the step of carrying out a heat setting technology on the machined chain ring plate 1, wherein the setting temperature is 235-285 ℃, and the heat preservation time is 6-8 h. The stress existing in the chain ring plate is completely eliminated, and the qualified appearance of the chain ring plate 1 is protected. The heat setting process is added, protecting the appearance of the chain plate. After the machining of the chain ring plate machine is finished, heat setting treatment is adopted, a heat setting process is added, and machining stress is eliminated.
Further, as shown in fig. 4 and 5, the processing technology of the trolley chain plate further includes the steps of: the anti-interference grooves 5 are arranged on the installation end face of the chain ring plate of the cover plate 2 blank, and preferably, the number of the anti-interference grooves 5 is two, and the two anti-interference grooves 5 are symmetrically arranged on two sides of the cover plate 2. By arranging the anti-interference groove 5, the processing surface of the chain ring plate 1 is avoided, and the chain ring plate 1 is assembled once. Greatly improves the production efficiency and reduces the production cost.
On the basis of the above-described solution, the link plate 1 is drilled with a bottom hole 4 by machining. Considering that when flame cutting the bottom hole 4, the chain ring plate 1 is easily deformed by flame cutting and heated, thereby influencing the guarantee of parallelism and verticality. The chain link plate 1 is changed into a matched transfer piece, the bottom hole 4 is drilled by machining, and (5) machining and reaming to the drawing size after the chain plate is assembled with the rest parts. Not only avoids the problem of the thermal deformation of the chain ring plate 1, but also solves the problem that the transverse impact of the drill bit brings adverse changes to the appearance of the chain ring plate 1 when the machining drill bit punches after the welding of the chain ring plate 1 is finished, avoids the deformation of the chain ring plate 1, and avoids the deformation of the chain ring plate 1 caused by the cutting thermal stress and the machining stress.
The processing technology of the trolley chain plate overcomes the difficulty that the shape of the chain plate is difficult to control due to the deformation of the chain plate 1 in the chain plate production process, and adopts various technological measures to ensure the shape of the chain plate. The production method meets the tolerance requirement of the drawing, improves the quality and produces the chain plate product with high precision. The efficiency is improved, and the production pressure of a production plant is greatly relieved. Has high application value. Aiming at the aspects of reducing the blanking thermal deformation and the processing stress deformation, the method adopts technological measures to avoid, increases the heat treatment shaping procedure, eliminates the welding stress and shapes the qualified appearance of the chain plate. Further, the parallelism butt-assembling tool is designed, the manual butt-assembling process is controlled, and the chain plate with the qualified appearance is produced by adopting the measures, so that the quality of a blank of the chain plate is obviously improved, the one-time cross-checking qualification rate of the chain plate is up to 95% from 75%, and 20% is improved.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. Trolley link joint straightness detection frock that hangs down, its characterized in that includes:
the lower surface of the leveling plate (6) is attached to the upper surface of the cover plate (2), and the lower surface of the leveling plate (6) is parallel to the upper surface of the cover plate (2);
the connecting plate (7) is arranged on the upper surface of the leveling plate (6), the upper surface of the connecting plate (7) is parallel to the lower surface of the leveling plate (6), and at least one end of the connecting plate (7) extends out of the outer side of the leveling plate (6);
the right angle detection device (8) comprises a first connecting piece and a second connecting piece connected with the first connecting piece, wherein the second connecting piece is positioned below the first connecting piece, the lower surface of the first connecting piece is abutted with the upper surface of the connecting plate (7) and parallel to the upper surface of the connecting plate, and the outer side surface of the second connecting piece far away from the first connecting piece is perpendicular to the lower surface of the first connecting piece;
measuring means for measuring the clearance between the right angle detecting means (8) and the link plate (1);
the length of the connecting plate (7) is larger than that of the chain link plate (1), so that the right angle detection device (8) slides on the connecting plate (7);
the right angle detection device (8) slides back and forth, the gap between the outer side face of the second connecting piece of the right angle detection device (8) and the chain link plate (1) is detected through the measurement device, the perpendicularity is obtained, and then the trolley chain plate with the perpendicularity meeting the requirement is assembled into a chain;
the connecting plate (7) is a channel steel, the upper surface of the channel steel is a plane, and the support legs of the channel steel are connected with the upper surface of the leveling plate (6).
2. The trolley link plate verticality detection tool according to claim 1, wherein the right angle detection device (8) is a seat ruler.
3. The tool for detecting the verticality of a trolley chain plate according to claim 1 or 2, wherein the measuring device is a feeler gauge.
4. The processing technology of the trolley chain plate is characterized by comprising the following steps of:
detecting the verticality of the trolley chain plate through the trolley chain plate verticality detection tool according to any one of claims 1-3, and eliminating the trolley chain plate with exceeding verticality;
the method also comprises the steps of: drilling a bottom hole (4) on the chain ring plate (1) through machining, and reaming to the drawing size after the welding of the assembled chain plate is finished.
5. The process for manufacturing the trolley link board according to claim 4, further comprising the steps of: and machining the end face of the rib plate (3) through machining.
6. The process for manufacturing the trolley link board according to claim 4, further comprising the steps of: and (3) annealing the welded chain ring plate (1), wherein the annealing temperature is 600-650 ℃, and the heat preservation time is 6-8 h.
7. The process for manufacturing the trolley chain plate according to claim 6, further comprising the step of performing a heat setting process on the machined chain plate (1) at a setting temperature of 235-285 ℃ for a heat preservation time of 6-8 h.
8. The process for manufacturing the trolley chain plate according to claim 4, further comprising the step of providing the link plate mounting end surface of the cover plate blank with an anti-interference groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317738.4A CN107063055B (en) | 2017-05-08 | 2017-05-08 | Trolley chain plate verticality detection tool and machining process of trolley chain plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317738.4A CN107063055B (en) | 2017-05-08 | 2017-05-08 | Trolley chain plate verticality detection tool and machining process of trolley chain plate |
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| CN107063055A CN107063055A (en) | 2017-08-18 |
| CN107063055B true CN107063055B (en) | 2023-10-10 |
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