阅读说明：本技术 一种球墨铸铁井盖的平整度检测装置及方法 (Flatness detection device and method for nodular cast iron well lid ) 是由 李启龙 吴少斌 朱宣洲 施青松 刘前 周天松 郑峰 宫建平 张德来 戴仔强 郭峰 于 2020-05-26 设计创作，主要内容包括：本发明公开了一种球墨铸铁井盖的平整度检测装置及方法,属于球墨铸铁井盖技术领域,包括检测台,检测台上放置有球墨铸铁井盖,检测台上还设置有用于检测球墨铸铁井盖的联动机构,联动机构联动有驱动电机,驱动电机安装在竖板上,竖板的上端安装有基座,基座的内侧设置有丝杆,丝杆螺纹连接有滑块,滑块上还设置有连接板,连接板穿出基座通过螺栓紧固在连接座上,连接座上设置有平整度检测机构,平整度检测机构位于球墨铸铁井盖的上方。本发明的球墨铸铁井盖的平整度检测装置及方法,通过平整度检测机构可对球墨铸铁井盖进行有效的平整度检测,不需要人工手持尺子进行测量检测,可减轻操作人员的工作负担且使检测效率高。(The invention discloses a flatness detection device and method of a nodular cast iron well lid, and belongs to the technical field of nodular cast iron well lids. According to the device and the method for detecting the flatness of the nodular cast iron well lid, disclosed by the invention, the flatness detection mechanism can be used for effectively detecting the flatness of the nodular cast iron well lid, a ruler is not required to be manually held for measurement and detection, the workload of operators can be reduced, and the detection efficiency is high.)

1. The utility model provides a roughness detection device of nodular cast iron well lid, its characterized in that, including examining test table (1), has placed nodular cast iron well lid (2) on examining test table (1), examine still to be provided with link gear (3) that are used for detecting nodular cast iron well lid (2) on test table (1), link gear (3) linkage has driving motor (4), driving motor (4) are installed on riser (5), riser (5) parallel arrangement is on the upper surface of examining test table (1), base (51) are installed to the upper end of riser (5), the inboard of base (51) is provided with lead screw (511), the one end of lead screw (511) is passed through bearing movable mounting on the inner wall of base (51), the other end of lead screw (511) passes through the coupling joint on the output shaft of driving motor (4), lead screw (511) threaded connection has slider (6), slider (6) are installed on the inner wall of base (51) through guide holder (61), still be provided with connecting plate (62) on slider (6), base (51) is worn out in connecting plate (62) and is passed through the bolt-up on connecting seat (7), be provided with roughness detection mechanism (8) on connecting seat (7), roughness detection mechanism (8) are located the top of nodular cast iron well lid (2).

2. The flatness detecting device of the nodular cast iron manhole cover according to claim 1, wherein the linkage mechanism (3) comprises a sliding plate (31), a moving contact piece (32), a static contact piece (33), a fixed plate (34), a telescopic spring A (35) and a telescopic guide post A (36), the fixed plate (34) is embedded in the detecting platform (1), the sliding plate (31) is connected with the fixed plate (34) through the telescopic spring A (35) and the telescopic guide post A (36), the moving contact piece (32) is installed on the sliding plate (31), the static contact piece (33) is arranged right below the moving contact piece (32), and the static contact piece (33) is installed on the fixed plate (34).

3. The flatness detecting device of a ductile iron manhole cover according to claim 2, wherein the moving contact piece (32) and the static contact piece (33) are electrically connected with the driving motor (4) through a wire.

4. The flatness detection device of the nodular cast iron well lid as claimed in claim 1, wherein the flatness detection mechanism (8) comprises a bin (81), a guide rod (82), a telescopic spring B (83), a telescopic guide column B (84) and a sliding seat (85), the bin (81) is provided with a feed port (811), the sliding seat (85) is embedded in the lower end of the bin (81), the sliding seat (85) is connected to the bin (81) through the telescopic spring B (83) and the telescopic guide column B (84), the sliding seat (85) is further installed on the guide rod (82), and both ends of the guide rod (82) are installed on the bin (81).

5. The flatness detecting device of the nodular cast iron well lid according to claim 4, characterized in that the flatness detecting mechanism (8) further comprises a flow guiding cover (86), a connecting rod (87), a shielding plate (88), a stud (89) and a flatness detecting plate (810), the flow guiding cover (86) is installed at the upper end of the sliding seat (85), the shielding plate (88) is connected to the upper end of the flow guiding cover (86) through the connecting rod (87), the shielding plate (88) shields the discharge hole (812) of the storage bin (81), the flatness detecting plate (810) is connected to the lower end of the sliding seat (85) through the stud (89), and the flatness detecting plate (810) is tightly attached to the nodular cast iron well lid (2).

6. The flatness detecting apparatus of a ductile iron manhole cover according to claim 5, wherein the flatness detecting plate (810) has a length greater than a diameter of the ductile iron manhole cover (2).

7. The flatness detecting apparatus of a ductile iron manhole cover according to claim 5, wherein the shape of the shielding plate (88) matches the shape of the discharging hole (812).

8. The inspection method of the flatness inspection device of the nodular cast iron well lid as claimed in any one of claims 1 to 7, characterized by comprising the steps of:

s1: the nodular cast iron well lid (2) is placed on the detection table (1), the nodular cast iron well lid (2) presses the sliding plate (31) downwards, the telescopic spring A (35) and the telescopic guide post A (36) are both contracted, the movable contact piece (32) is contacted with the static contact piece (33), and at the moment, a closed loop formed by the movable contact piece (32), the static contact piece (33), the driving motor (4) and a power supply is conducted;

s2: after the closed loop is conducted, the driving motor (4) drives the screw rod (511) to rotate, and the screw rod (511) rotates to drive the sliding block (6) to translate under the guiding action of the guide seat (61) so as to enable the connecting plate (62), the connecting seat (7), the stock bin (81) and the flatness detection plate (810) to translate synchronously;

s3: in the translation process of the flatness detection plate (810), when an uneven place is detected, the convex part of the flatness detection plate (810) can shield the flatness detection plate (810) to move, at the moment, the flatness detection plate (810) enables the telescopic spring B (83) and the telescopic guide column B (84) to extend due to the extrusion force and drives the shielding plate (88) to deviate, and at the moment, lime contained in the bin (81) is discharged from the discharge port (812) due to no longer being shielded by the shielding plate (88) and falls on the nodular cast iron well cover (2);

s4: in the process of translation of the flatness detection plate (810), if no lime exists on the nodular cast iron well lid (2), the nodular cast iron well lid (2) is flat.

Technical Field

The invention relates to the technical field of nodular cast iron well lids, in particular to a flatness detection device and method of a nodular cast iron well lid.

Background

The nodular cast iron well cover is one kind of nodular cast iron product, and the nodular cast iron is spheroidized and inoculated to obtain spheroidal graphite, so that the mechanical performance, especially the plasticity and toughness, of the nodular cast iron is effectively improved, and the strength higher than that of carbon steel is obtained. The ductile iron is a high-strength cast iron material developed in the 20 th century and the fifties, the comprehensive performance of the ductile iron is close to that of steel, and the ductile iron is successfully used for casting parts which are complex in stress and high in requirements on strength, toughness and wear resistance based on the excellent performance of the ductile iron. Nodular cast iron has rapidly evolved to a very widely used cast iron material second only to gray cast iron. The term "steel is replaced by iron" is mainly used for nodular cast iron.

The nodular cast iron well lid generally divide into circular and square, in the road administration aspect of urban area, generally adopts circularly, because the not easy slope of circular well lid, the safety of the good pedestrian of protection that can be better and vehicle. The round manhole cover is used, the length of each diameter of the round manhole cover passing through the circle center is the same, so that if the manhole cover is rolled by passing vehicles, the diameter of the manhole cover is slightly wider than that of a lower manhole opening due to rolling, and the manhole cover cannot fall into the manhole opening.

After the nodular cast iron well lid is produced, the flatness detection is often needed to be carried out on the nodular cast iron well lid so that the nodular cast iron well lid put in for use is a qualified nodular cast iron well lid, the flatness detection of the existing nodular cast iron well lid is mostly carried out by holding a ruler by an operator for measurement and detection, the labor intensity is high, the workload of the operator is increased, and the detection efficiency is low.

Disclosure of Invention

The invention aims to provide a flatness detection device and method for a nodular cast iron well lid, which can effectively detect the flatness of the nodular cast iron well lid through a flatness detection mechanism, do not need to manually hold a ruler for measurement and detection, reduce the workload of operators and improve the detection efficiency so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the flatness detection device for the nodular cast iron well lid comprises a detection table, wherein the nodular cast iron well lid is placed on the detection table, a linkage mechanism for detecting the nodular cast iron well lid is further arranged on the detection table, the linkage mechanism is linked with a driving motor, the driving motor is installed on a vertical plate, the vertical plate is arranged on the upper surface of the detection table in parallel, a base is installed at the upper end of the vertical plate, a lead screw is arranged on the inner side of the base, one end of the lead screw is movably installed on the inner wall of the base through a bearing, the other end of the lead screw is connected onto an output shaft of the driving motor through a coupling, the lead screw is in threaded connection with a sliding block, the sliding block is installed on the inner wall of the base through a guide seat, a connecting plate is further arranged on the sliding block, the connecting plate penetrates out of the base and, the flatness detection mechanism is located above the nodular cast iron well cover.

Further, the link gear includes sliding plate, movable contact piece, static contact piece, fixed plate, expanding spring A and flexible guide post A, the fixed plate is embedded on examining the test table, the fixed plate is connected with the sliding plate through expanding spring A and flexible guide post A, install the movable contact piece on the sliding plate, be provided with the static contact piece under the movable contact piece, the static contact piece is installed on the fixed plate.

Furthermore, the movable contact piece and the static contact piece are electrically connected with the driving motor through wires.

Further, roughness detection mechanism includes feed bin, guide bar, expanding spring B, flexible guide post B and sliding seat, be provided with the charge door on the feed bin, the lower extreme of feed bin is embedded to have a sliding seat, the sliding seat passes through expanding spring B and flexible guide post B and connects on the feed bin, the sliding seat is still installed on the guide bar, the both ends of guide bar are all installed on the feed bin.

Further, roughness detection mechanism still includes drainage cover, connecting rod, shielding plate, double-screw bolt and roughness pick-up plate, the drainage cover is installed to the upper end of sliding seat, the upper end of drainage cover is connected with the shielding plate through the connecting rod, the shielding plate shelters from the discharge gate of feed bin, the lower extreme of sliding seat is connected with the roughness pick-up plate through the double-screw bolt, nodular cast iron well lid is hugged closely to the roughness pick-up plate.

Further, the length of the flatness detection plate is larger than the diameter of the nodular cast iron well cover.

Further, the shape of the shielding plate is matched with that of the discharge hole.

According to another aspect of the present invention, there is provided a method for inspecting a flatness inspection apparatus for a ductile iron manhole cover, comprising the steps of:

s1: the method comprises the following steps that a nodular cast iron well lid is placed on a detection table, a sliding plate is pressed downwards by the nodular cast iron well lid, a telescopic spring A and a telescopic guide post A are both contracted, a movable contact piece is made to be in contact with a static contact piece, and a closed loop formed by the movable contact piece, the static contact piece, a driving motor and a power supply is conducted;

s2: after the closed loop is conducted, the driving motor drives the screw rod to rotate, and the screw rod can drive the sliding block to translate under the guiding action of the guiding seat, so that the connecting plate, the connecting seat, the stock bin and the flatness detection plate can also translate synchronously;

s3: in the process of translation of the flatness detection plate, when an uneven place is detected, the convex part of the flatness detection plate can shield the flatness detection plate from moving, at the moment, the flatness detection plate is subjected to extrusion force to enable the telescopic spring B and the telescopic guide post B to extend and drive the shielding plate to deflect, and at the moment, lime contained in the bin is discharged from the discharge port and falls on the nodular cast iron well cover due to no longer being shielded by the shielding plate;

s4: in the process of translation of the flatness detection plate, if no lime is on the nodular cast iron well cover, the nodular cast iron well cover is flat.

Compared with the prior art, the invention has the beneficial effects that:

the invention relates to a device and a method for detecting the flatness of a nodular cast iron well lid, which are characterized in that the nodular cast iron well lid is placed on a detection table, a sliding plate is pressed downwards by the nodular cast iron well lid, a telescopic spring A and a telescopic guide post A are contracted and make a movable contact piece contact with a static contact piece, at the moment, a closed loop consisting of the movable contact piece, the static contact piece, a driving motor and a power supply is conducted, the driving motor drives a screw rod to rotate, the screw rod can drive a sliding block to translate under the guiding action of a guide seat, so that a connecting plate, a connecting seat, a bin and the flatness detection plate also translate synchronously, when a non-flat place is detected in the translation process of the flatness detection plate, a convex part of the flatness detection plate can shield the flatness detection plate to move, at the moment, the flatness detection plate is subjected to extrusion force, so that the telescopic spring B and the telescopic guide post B are extended and drive a shielding plate to deflect, at the moment, can carry out effectual roughness to nodular cast iron well lid through roughness detection mechanism and detect, do not need the handheld ruler of manual work to measure and detect, can alleviate operating personnel's work burden and make detection efficiency high.

Drawings

Fig. 1 is a schematic cross-sectional view of a flatness detection device of the nodular cast iron well lid of the invention, which is not placed on a detection table;

FIG. 2 is a schematic cross-sectional view of the flatness detection device for the nodular cast iron well lid placed on the detection table;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of FIG. 2 at B of the present invention;

FIG. 5 is a schematic cross-sectional view of a storage bin of the present invention;

FIG. 6 is a schematic view of the discharge port being shielded by the shielding plate according to the present invention;

FIG. 7 is a schematic view of the discharge hole being uncovered by the shielding plate according to the present invention;

FIG. 8 is a schematic view of the invention in direction A.

In the figure: 1. a detection table; 2. a nodular cast iron well cover; 3. a linkage mechanism; 31. a sliding plate; 32. a movable contact spring; 33. a static contact piece; 34. a fixing plate; 35. a telescopic spring A; 36. a telescopic guide column A; 4. a drive motor; 5. a vertical plate; 51. a base; 511. a screw rod; 6. a slider; 61. a guide seat; 62. a connecting plate; 7. a connecting seat; 8. a flatness detection mechanism; 81. a storage bin; 811. a feed inlet; 812. a discharge port; 82. a guide bar; 83. a telescopic spring B; 84. a telescopic guide post B; 85. a sliding seat; 86. a drainage cover; 87. a connecting rod; 88. a shielding plate; 89. a stud; 810. and (6) detecting the flatness.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, a flatness detection device for nodular cast iron well lids comprises a detection table 1, a nodular cast iron well lid 2 is placed on the detection table 1, a linkage mechanism 3 for detecting the nodular cast iron well lid 2 is further arranged on the detection table 1, the linkage mechanism 3 is linked with a driving motor 4, the linkage mechanism 3 is used for detecting whether the nodular cast iron well lid 2 is placed on the detection table 1, if the nodular cast iron well lid 2 is detected to be placed on the detection table 1, the driving motor 4 is controlled to drive a screw rod 511 to rotate, the screw rod 511 rotates to drive a slide block 6 to translate under the guiding action of a guide seat 61 so as to drive a connecting plate 62 to synchronously translate the flatness detection mechanism 8, the flatness detection mechanism 8 is used for performing flatness detection on the nodular cast iron well lid 2, the driving motor 4 is arranged on a vertical plate 5, the vertical plates 5 are arranged on the upper surface of the detection table 1 in, base 51 is installed to riser 5's upper end, base 51's inboard is provided with lead screw 511, bearing movable mounting is passed through on base 51's inner wall to lead screw 511's one end, the other end of lead screw 511 passes through coupling joint on driving motor 4's output shaft, lead screw 511 threaded connection has slider 6, slider 6 passes through guide holder 61 and installs on base 51's inner wall, still be provided with connecting plate 62 on slider 6, connecting plate 62 wears out base 51 and passes through the bolt-up on connecting seat 7, be provided with roughness detection mechanism 8 on connecting seat 7, roughness detection mechanism 8 is located nodular cast iron well lid 2's top, driving motor 4 drive lead screw 511 is rotatory, the rotatory slider 6 that can be driven of lead screw 511 is the translation under the guide effect of guide holder 61 and then makes connecting plate 62 take flatness detection mechanism 8 also synchronous translation, carry out the roughness through flatness detection mechanism 8 to nodular cast iron well lid 2 and.

Referring to fig. 3, the linkage mechanism 3 includes a sliding plate 31, a movable contact piece 32, a static contact piece 33, a fixed plate 34, a telescopic spring a35 and a telescopic guide post a36, the fixed plate 34 is embedded in the inspection table 1, the fixed plate 34 is connected with the sliding plate 31 through a telescopic spring a35 and a telescopic guide post a36, the movable contact piece 32 is installed on the sliding plate 31, the static contact piece 33 is installed on the fixed plate 34, the movable contact piece 32 and the static contact piece 33 are both electrically connected with the driving motor 4 through conducting wires, the nodular cast iron well cover 2 is placed on the inspection table 1, the nodular cast iron well cover 2 presses down the sliding plate 31, the telescopic spring a35 and the telescopic guide post a36 are both contracted and the movable contact piece 32 is in contact with the static contact piece 33, at this time, a closed loop composed of the movable contact piece 32, the static contact piece 33, the driving motor 4 and a power supply is conducted, the driving screw 511 rotates after, the lead screw 511 rotates to drive the sliding block 6 to translate under the guiding action of the guide seat 61, so that the connecting plate 62 is driven to translate synchronously with the flatness detection mechanism 8, and the flatness detection is carried out on the nodular cast iron well lid 2 through the flatness detection mechanism 8.

Referring to fig. 4-8, the flatness detecting mechanism 8 includes a bin 81, a guide rod 82, a telescopic spring B83, a telescopic guide post B84 and a sliding seat 85, the bin 81 is provided with a feeding port 811, the lower end of the bin 81 is embedded with the sliding seat 85, the sliding seat 85 is connected to the bin 81 through the telescopic spring B83 and the telescopic guide post B84, the sliding seat 85 is further installed on the guide rod 82, both ends of the guide rod 82 are installed on the bin 81, the flatness detecting mechanism 8 includes a flow guiding cover 86, a connecting rod 87, a shielding plate 88, a stud 89 and a flatness detecting plate 810, the upper end of the sliding seat 85 is provided with the flow guiding cover 86, the upper end of the flow guiding cover 86 is connected with the shielding plate 88 through the connecting rod 87, the shielding plate 88 shields a discharge port 812 of the bin 81, the shape of the shielding plate 88 is matched with the shape of the discharge port 812, the lower end of the sliding seat, the flatness detection plate 810 is tightly attached to the nodular cast iron well cover 2, the length of the flatness detection plate 810 is larger than the diameter of the nodular cast iron well cover 2, when the uneven place is detected in the translation process of the flatness detection plate 810, the convex part of the flatness detection plate 810 can shield the flatness detection plate 810 from moving, at the moment, the flatness detection plate 810 is subjected to extrusion force, so that the telescopic spring B83 and the telescopic guide post B84 are extended and drive the shielding plate 88 to deviate, at the moment, lime contained in the bin 81 is not shielded by the shielding plate 88 any more and is discharged from the discharge hole 812 and falls on the nodular cast iron well cover 2, the flatness detection plate 810 is in the translation process, if no lime exists on the nodular cast iron well cover 2, the nodular cast iron well cover 2 is flat, the effective flatness detection can be carried out on the nodular cast iron well cover 2 through the flatness detection mechanism 8, and the measurement detection is not required to be carried out by manually, the workload of the operator can be reduced and the detection efficiency is high.

In order to better show the process of detecting the flatness of the nodular cast iron manhole cover, the embodiment now provides a detection method of a device for detecting the flatness of the nodular cast iron manhole cover, which includes the following steps:

step 1: the nodular cast iron well lid 2 is placed on the detection table 1, the sliding plate 31 is pressed down by the nodular cast iron well lid 2, the telescopic spring A35 and the telescopic guide post A36 are both contracted to enable the movable contact piece 32 to be in contact with the static contact piece 33, and at the moment, a closed loop formed by the movable contact piece 32, the static contact piece 33, the driving motor 4 and a power supply is conducted;

step 2: after the closed loop is conducted, the driving motor 4 drives the screw rod 511 to rotate, and the screw rod 511 rotates to drive the sliding block 6 to translate under the guiding action of the guide seat 61, so that the connecting plate 62, the connecting seat 7, the stock bin 81 and the flatness detection plate 810 also translate synchronously;

and step 3: in the translation process of the flatness detection plate 810, when an uneven place is detected, the convex part of the flatness detection plate 810 can shield the flatness detection plate 810 from moving, at the moment, the flatness detection plate 810 is extruded to enable the telescopic spring B83 and the telescopic guide post B84 to extend and drive the shielding plate 88 to deviate, and at the moment, lime contained in the bin 81 is discharged from the discharge port 812 and falls on the nodular cast iron well cover 2 because the lime is not shielded by the shielding plate 88 any more;

and 4, step 4: in the process of translation, if the ductile cast iron well lid 2 is free of lime, the flatness detection plate 810 indicates that the ductile cast iron well lid 2 is flat.

In summary, the device and method for detecting the flatness of the nodular cast iron well lid of the invention are that the nodular cast iron well lid 2 is placed on the detection table 1, the sliding plate 31 is pressed down by the nodular cast iron well lid 2, the extension spring a35 and the extension guide post a36 are both contracted and the movable contact piece 32 is in contact with the static contact piece 33, at this time, the closed loop formed by the movable contact piece 32, the static contact piece 33, the driving motor 4 and the power supply is conducted, the driving motor 4 drives the screw rod 511 to rotate, the screw rod 511 rotates to drive the sliding block 6 to translate under the guiding action of the guide seat 61, so that the connecting plate 62, the connecting seats 7 and 81 and the flatness detection plate 810 also translate synchronously, when the uneven part is detected during the translation of the flatness detection plate 810, the convex part of the flatness detection plate shields the flatness detection plate 810 from moving, at this time, the extension spring B83 and the extension guide post B84 of, and drive shielding plate 88 skew, the lime that has been equipped with in the feed bin 81 this moment can carry out effectual roughness to nodular cast iron well lid 2 and detect through roughness detection mechanism 8 because no longer receive shielding plate 88's sheltering from and discharge and fall on nodular cast iron well lid 2 from discharge gate 812, does not need the manual hand-held ruler to measure and detect, can alleviate operating personnel's work burden and make detection efficiency high.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.