CN210242668U - High-precision rod piece roundness detection tool - Google Patents
High-precision rod piece roundness detection tool Download PDFInfo
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- CN210242668U CN210242668U CN201920575575.4U CN201920575575U CN210242668U CN 210242668 U CN210242668 U CN 210242668U CN 201920575575 U CN201920575575 U CN 201920575575U CN 210242668 U CN210242668 U CN 210242668U
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Abstract
The utility model discloses an utensil is examined to high accuracy member circularity, including first cushion cap board and cushion cap frame, the equal vertical slide rail of installing of the inside both sides wall of cushion cap frame, one side horizontal installation that cushion cap frame was kept away from to first slider has the second cushion cap board, the bottom of third connecting rod articulates through the articulated shaft has the third sleeve, the outside horizontal installation of second connecting rod has the first spring that is connected with the third sleeve, the positive intermediate position department of third sleeve articulates through the articulated shaft has the head rod, the equal horizontal installation of intermediate position department at second cushion cap top both ends has the fourth sleeve, the third spring is kept away from the telescopic one end horizontal installation of fourth and is run through the telescopic fifth connecting rod of fourth. This utensil is examined to high accuracy member circularity separates through first card frame of upwards pulling and first draw-in groove, and the sliding bearing platform is to suitable position, and the fourth spring drives first card frame and first draw-in groove block again, is convenient for detect the member of different length.
Description
Technical Field
The utility model relates to an utensil technical field is examined to the circularity, specifically is an utensil is examined to high accuracy member circularity.
Background
The roundness detection tool is often required to be used for detecting whether the shape of the rod piece meets the specification or not in the machining process of the high-precision rod piece.
However, most high-precision rod roundness detection tools in the current market are not convenient to be applied to rods with different lengths, and therefore a high-precision rod roundness detection tool is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an utensil is examined to high accuracy member circularity to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a high-precision rod piece roundness detection tool comprises a first bearing plate and a bearing plate frame, wherein slide rails are vertically arranged on two side walls in the bearing plate frame, a first slide block matched with the slide rails is arranged in the slide rails, a second bearing plate is horizontally arranged on one side, away from the bearing plate frame, of the first slide block, two ends of the bottom end of the second bearing plate are hinged with third connecting rods through hinge shafts, the bottom end of each third connecting rod is hinged with a third sleeve through a hinge shaft, a second connecting rod penetrating through the third sleeve is horizontally arranged in the third sleeve, a first spring connected with the third sleeve is horizontally arranged on the outer side of each second connecting rod, a first connecting rod is hinged to the middle position of the front face of the third sleeve through a hinge shaft, the bottom end of the first connecting rod is hinged with the bottom end in the bearing plate frame through a hinge shaft, fourth sleeves are horizontally arranged at the middle positions of two ends of the top end of the second bearing plate, a third spring is horizontally arranged in the fourth sleeve, a fifth connecting rod penetrating through the fourth sleeve is horizontally arranged at one end, far away from the fourth sleeve, of the third spring, a sixth connecting rod is hinged at one end, far away from the fourth sleeve, of the fifth connecting rod through a hinged shaft, the top end of the sixth connecting rod is hinged with a first bearing platform plate through a hinged shaft, second sleeves are uniformly and vertically arranged at the top ends of the second bearing platform plates at two sides of the sixth connecting rod, a second spring is vertically arranged in the second sleeve, a fourth connecting rod penetrating through the top end of the second sleeve and connected with the bottom end of the first bearing platform plate is vertically arranged at the top end of the second spring, a bevel gear disc box body is horizontally arranged at the middle position of one side of the top end of the first bearing platform plate, second clamping grooves are uniformly arranged on the side wall of one side of the bevel gear disc box body, and a rotating rod is horizontally arranged at the, a second bevel gear disc is uniformly and vertically arranged on the outer side of the rotating rod, a rotating handle penetrating through the bevel gear disc box body is arranged on one side of the rotating rod close to the second clamping groove, a second clamping frame matched with the second clamping groove is arranged on the outer side of one side of the rotating handle close to the bevel gear disc box body, lead screws are vertically arranged at two ends of the top end inside the bevel gear disc box body through bearings, a first bevel gear disc matched with the second bevel gear disc is horizontally arranged at the bottom end of the outer side of each lead screw, a lead screw box body is vertically arranged at the top end of the bevel gear disc box body on the outer side of each lead screw, a lead screw groove is vertically arranged on the inner side of each lead screw, a first sleeve matched with each lead screw is arranged on the outer side of each lead screw, a bearing platform frame penetrating through the lead screw groove is horizontally arranged on the inner side of each first sleeve, a dial indicator is vertically, and a third bearing plate is horizontally arranged at the top end of the first bearing plate on one side of the baffle, a sliding groove is horizontally arranged at the middle position of the top end in the third bearing plate, a first clamping groove is uniformly formed in the third bearing plate at the bottom end of the sliding groove, second sliding blocks matched with the sliding groove are arranged at two ends in the sliding groove, a bearing platform is vertically arranged at one end of the top end of each second sliding block, mounting grooves are formed in the middle positions of the top ends of two side walls in the bearing platform, metal rods are embedded in the mounting grooves, first clamping frames penetrating through the second sliding blocks are arranged in the second sliding blocks on one side of the bearing platform, and fourth springs connected with the top ends of the second sliding blocks are vertically arranged at two ends of the top end in the first clamping frames.
Preferably, the first connecting rod is rotatably connected with the bearing platform frame and the third sleeve through an articulated shaft to form a rotating mechanism, the third sleeve is connected with the second connecting rod through a first spring to form a telescopic mechanism, the third sleeve is rotatably connected with the third connecting rod through the articulated shaft to form a rotating mechanism, and the third connecting rod is rotatably connected with the second bearing platform plate through the articulated shaft to form a rotating mechanism.
Preferably, the second bearing plate is connected with the sliding rail in a sliding manner through the first sliding block to form a sliding mechanism.
Preferably, the fourth connecting rod is connected with the second sleeve through a second spring to form a telescopic mechanism.
Preferably, the second clamping frame and the second clamping groove are clamped and connected to form a clamping mechanism.
Preferably, the first bevel gear disc and the second bevel gear disc are in meshed connection to form a meshing mechanism.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) by installing the first clamping frame, the first clamping groove, the bearing platform, the second sliding block and the fourth spring, when the rods with different lengths need to be detected, the first clamping frame is firstly pulled upwards to separate the first clamping frame from the first clamping groove, then the sliding bearing platform slides to a proper position in the sliding groove through the second sliding block and then loosens the first clamping frame, and the first clamping frame is driven to be clamped with the first clamping grooves at different positions again under the elastic action of the fourth spring, so that the rods with different lengths can be detected conveniently;
(2) meanwhile, the device is provided with a second clamping frame, a second clamping groove, a rotating handle, a rotating rod, a second bevel gear disc, a first bevel gear disc, a screw rod, a first sleeve, a bearing frame and a dial indicator, when rods with different diameters need to be detected, the second clamping frame is pulled to separate the second clamping frame from the second clamping groove, then the rotating handle is rotated to drive the rotating rod and the second bevel gear disc to rotate, the second bevel gear disc drives the first bevel gear disc and the screw rod to rotate, the screw rod drives the first sleeve, the bearing frame and the dial indicator to move up and down, proper positions are reserved, the second clamping frame is loosened, and the second clamping frame is clamped with the second clamping grooves in different positions again, so that the rods with different diameters can be detected conveniently;
(3) meanwhile, the device is provided with a first bearing plate, a fourth connecting rod, a sixth connecting rod, a fifth connecting rod, a second bearing plate, a first sliding block, a sliding rail, a third connecting rod, a third sleeve, a second spring, a third spring and a first spring, when the rod piece is detected to generate shock, the force is respectively transmitted to the fourth connecting rod and the sixth connecting rod through the first bearing plate, the sixth connecting rod transmits the force to the fifth connecting rod and the second bearing plate respectively, the second bearing plate slides up and down in the sliding rail through the first sliding block and transmits the force to the third connecting rod and the third sleeve, so that the shock is eliminated under the elastic action of the second spring, the third spring and the first spring, and the buffering and shock absorption are facilitated.
Drawings
FIG. 1 is a schematic view of a first front sectional structure of the present invention;
FIG. 2 is a schematic view of a first cross-sectional front view of the present invention;
FIG. 3 is a left side view of the structure of the present invention;
fig. 4 is a right view structural schematic diagram of the bearing platform and the third bearing platform plate of the present invention;
FIG. 5 is an enlarged view of the portion A of FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the portion B of FIG. 1 according to the present invention;
fig. 7 is an enlarged schematic view of the part C in fig. 2 according to the present invention.
In the figure: 1. a first sleeve; 2. turning the hand; 3. a first deck plate; 4. a first slider; 5. a slide rail; 6. a second deck plate; 7. a first connecting rod; 8. a second connecting rod; 9. a first spring; 10. a second spring; 11. a bearing platform frame; 12. a second sleeve; 13. a third sleeve; 14. a third connecting rod; 15. a fourth connecting rod; 16. a bevel gear disc box body; 17. a screw rod; 18. a lead screw box body; 19. a pedestal; 20. A dial indicator; 21. a screw rod groove; 22. a baffle plate; 23. a fourth sleeve; 24. a third spring; 25. a fifth connecting rod; 26. a sixth connecting rod; 27. a bearing platform; 28. a first card slot; 29. a third deck plate; 30. A chute; 31. a first clip frame; 32. a metal rod; 33. a fourth spring; 34. a second slider; 35. a second clamping frame; 36. a second card slot; 37. a first bevel gear plate; 38. rotating the rod; 39. a second bevel gear plate; 40. and (4) mounting the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, the present invention provides an embodiment: a high-precision rod roundness detection tool comprises a first bearing plate 3 and a bearing plate frame 11, wherein slide rails 5 are vertically arranged on two side walls inside the bearing plate frame 11, a first slide block 4 matched with the slide rails 5 is arranged inside the slide rails 5, a second bearing plate 6 is horizontally arranged on one side, far away from the bearing plate frame 11, of the first slide block 4, the second bearing plate 6 is connected with the slide rails 5 in a sliding mode to form a sliding mechanism through the first slide block 4 and the slide rails 5 in a sliding mode so as to facilitate shock absorption, two ends of the bottom end of the second bearing plate 6 are hinged with third connecting rods 14 through hinge shafts, the bottom ends of the third connecting rods 14 are hinged with third sleeves 13 through hinge shafts, second connecting rods 8 penetrating through the third sleeves 13 are horizontally arranged inside the third sleeves 13, first springs 9 connected with the third sleeves 13 are horizontally arranged on the outer sides of the second connecting rods 8, and first connecting rods 7 are hinged to the middle positions of the front faces of the third sleeves 13, the first connecting rod 7 is respectively connected with the bearing platform frame 11 and the third sleeve 13 through an articulated shaft in a rotating way to form a rotating mechanism, the third sleeve 13 is connected with the bearing platform frame 11 and the third sleeve 13 through a first spring 9 and a second connecting rod 8 to form a telescopic mechanism, the third sleeve 13 is connected with the third connecting rod 14 through an articulated shaft in a rotating way to form a rotating mechanism, meanwhile, the third connecting rod 14 is connected with the second bearing platform plate 6 through an articulated shaft in a rotating way to form a rotating mechanism, the shock absorption is convenient, the bottom end of the first connecting rod 7 is articulated with the bottom end in the bearing platform frame 11 through the articulated shaft, the middle positions of the two ends of the top end of the second bearing platform plate 6 are both horizontally provided with a fourth sleeve 23, the inside of the fourth sleeve 23 is horizontally provided with a third spring 24, one end of the third spring 24, which is far away from the fourth sleeve 23, is horizontally provided with a fifth connecting rod 25 which penetrates through the fourth sleeve 23, and one, the top end of the sixth connecting rod 26 is hinged with the first bearing plate 3 through a hinged shaft, the top ends of the second bearing plates 6 at two sides of the sixth connecting rod 26 are uniformly and vertically provided with second sleeves 12, the inside of the second sleeves 12 is vertically provided with second springs 10, the top ends of the second springs 10 are vertically provided with fourth connecting rods 15 which penetrate through the top ends of the second sleeves 12 and are connected with the bottom end of the first bearing plate 3, the fourth connecting rods 15 are connected with the second sleeves 12 through the second springs 10 to form a telescopic mechanism, so that the shock absorption is convenient, the middle position of one side of the top end of the first bearing plate 3 is horizontally provided with a bevel gear plate box 16, the side wall of one side of the bevel gear plate box 16 is uniformly provided with second clamping grooves 36, the middle position of two side walls inside the bevel gear plate box 16 is horizontally provided with a rotating rod 38 through a bearing, and the outer side, a rotating handle 2 penetrating through the bevel gear disc box 16 is installed on one side of the rotating rod 38 close to the second clamping groove 36, a second clamping frame 35 matched with the second clamping groove 36 is installed on the outer side of one side of the rotating handle 2 close to the bevel gear disc box 16, the second clamping frame 35 and the second clamping groove 36 are connected in a clamping mode to form a clamping mechanism, rod pieces with different diameters can be detected conveniently, lead screws 17 are vertically installed at two ends of the top end inside the bevel gear disc box 16 through bearings, a first bevel gear disc 37 matched with a second bevel gear disc 39 is horizontally installed at the bottom end of the outer side of each lead screw 17, the first bevel gear disc 37 and the second bevel gear disc 39 are connected in a meshing mode to form a meshing mechanism, rod pieces with different diameters can be detected conveniently, a lead screw box body 18 is vertically installed at the top end of the bevel gear disc box 16 on the outer side of each lead screw 17, a lead screw groove, a bearing platform 19 penetrating through a screw rod groove 21 is horizontally arranged on the inner side of the first sleeve 1, a dial indicator 20 is vertically arranged at the middle position of the front surface of the bearing platform 19, the model of the dial indicator 20 can be 81-181J-8, a baffle plate 22 is vertically arranged at the top end of the first bearing platform plate 3 at one side of the bevel gear disc box 16 close to the rotating hand 2, a third bearing platform plate 29 is horizontally arranged at the top end of the first bearing platform plate 3 at one side of the baffle plate 22, a sliding groove 30 is horizontally arranged at the middle position of the top end in the third bearing platform plate 29, first clamping grooves 28 are uniformly arranged in the third bearing platform plate 29 at the bottom end of the sliding groove 30, second sliding blocks 34 matched with the sliding grooves 30 are respectively arranged at two ends in the sliding groove 30, a bearing platform 27 is vertically arranged at one end of the top end of the second sliding block 34, mounting grooves 40 are respectively arranged at the middle position of the top ends of two side walls, the inside first card frame 31 that runs through second slider 34 that is provided with of second slider 34 of cushion cap 27 one side, and the both ends on the inside top of first card frame 31 all vertically install the fourth spring 33 that is connected with second slider 34 top.
The working principle is as follows: when the high-precision rod roundness detection tool is used, the high-precision rod roundness detection tool is firstly placed on a workbench surface, a rod to be detected is placed at the top end inside a bearing platform 27, whether the rod meets the standard or not is detected under the action of a dial indicator 20, when rods with different lengths need to be detected, a first clamping frame 31 is firstly pulled upwards to separate the first clamping frame 31 from a first clamping groove 28, then a sliding bearing platform 27 slides to a proper position inside a sliding groove 30 through a second sliding block 34, the first clamping frame 31 is released, the first clamping frame 31 is driven to be clamped again with the first clamping groove 28 at different positions under the elastic force action of a fourth spring 33, so that rods with different lengths can be detected conveniently, when rods with different diameters need to be detected, a second clamping frame 35 is pulled to separate the second clamping frame 35 from a second clamping groove 36, then a rotating handle 2 is rotated to drive a rotating rod 38 and a second bevel gear disc 39 to rotate, the second bevel gear disc 39 drives the first bevel gear disc 37 and the screw rod 17 to rotate, the screw rod 17 drives the first sleeve 1, the bearing rack 19 and the dial indicator 20 to move up and down, the proper positions are determined, the second clamping rack 35 is released, the second clamping rack 35 is clamped with the second clamping groove 36 at different positions again, thereby facilitating the detection of the rod pieces with different diameters, when the rod pieces are detected and vibration occurs to generate impact force, the force is respectively transmitted to the fourth connecting rod 15 and the sixth connecting rod 26 through the first bearing plate 3, the sixth connecting rod 26 respectively transmits the force to the fifth connecting rod 25 and the second bearing plate 6, the second bearing plate 6 slides up and down in the slide rail 5 through the first slide block 4 and transmits the force to the third connecting rod 14 and the third sleeve 13, thereby eliminate this impact force under the spring action of second spring 10, third spring 24 and first spring 9 to be convenient for cushion the shock attenuation, above do the utility model discloses a whole theory of operation.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a utensil is examined to high accuracy member circularity, includes first cushion cap board (3) and cushion cap frame (11), its characterized in that: the two side walls in the bearing platform frame (11) are vertically provided with sliding rails (5), a first sliding block (4) matched with the sliding rails (5) is arranged in the sliding rails (5), one side, far away from the bearing platform frame (11), of the first sliding block (4) is horizontally provided with a second bearing platform plate (6), two ends of the bottom end of the second bearing platform plate (6) are hinged with third connecting rods (14) through hinged shafts, the bottom end of each third connecting rod (14) is hinged with a third sleeve (13) through hinged shafts, a second connecting rod (8) penetrating through the third sleeve (13) is horizontally arranged in the third sleeve (13), a first spring (9) connected with the third sleeve (13) is horizontally arranged on the outer side of each second connecting rod (8), and a first connecting rod (7) is hinged to the middle position of the front face of the third sleeve (13) through hinged shafts, the bottom end of the first connecting rod (7) is hinged with the bottom end inside the bearing platform frame (11) through a hinged shaft, a fourth sleeve (23) is horizontally arranged in the middle of the two ends of the top end of the second bearing platform plate (6), a third spring (24) is horizontally arranged inside the fourth sleeve (23), a fifth connecting rod (25) penetrating through the fourth sleeve (23) is horizontally arranged at one end, far away from the fourth sleeve (23), of the third spring (24), a sixth connecting rod (26) is hinged to one end, far away from the fourth sleeve (23), of the fifth connecting rod (25) through a hinged shaft, the top end of the sixth connecting rod (26) is hinged with the first bearing platform plate (3) through a hinged shaft, second sleeves (12) are vertically arranged at the top ends of the second bearing platform plates (6) on the two sides of the sixth connecting rod (26), and a second spring (10) is vertically arranged inside the second sleeve (12), a fourth connecting rod (15) which penetrates through the top end of the second sleeve (12) and is connected with the bottom end of the first bearing plate (3) is vertically arranged at the top end of the second spring (10), a bevel gear plate box body (16) is horizontally arranged at the middle position of one side of the top end of the first bearing plate (3), a second clamping groove (36) is uniformly formed in the side wall of one side of the bevel gear plate box body (16), a rotating rod (38) is horizontally arranged at the middle position of two side walls in the bevel gear plate box body (16) through a bearing, a second bevel gear plate (39) is uniformly and vertically arranged on the outer side of the rotating rod (38), a rotating handle (2) which penetrates through the bevel gear plate box body (16) is arranged on one side of the rotating rod (38) close to the second clamping groove (36), and a second clamping frame (35) matched with the second clamping groove (36) is arranged on the outer side of, the bevel gear disc box body is characterized in that screw rods (17) are vertically arranged at two ends of the top end inside the bevel gear disc box body (16) through bearings, a first bevel gear disc (37) matched with a second bevel gear disc (39) is horizontally arranged at the bottom end of the outer side of each screw rod (17), a screw rod box body (18) is vertically arranged at the top end of the bevel gear disc box body (16) on the outer side of each screw rod (17), screw rod grooves (21) are vertically arranged on the inner side of each screw rod box body (18), a first sleeve (1) matched with each screw rod (17) is arranged on the outer side of each screw rod (17), a bearing platform frame (19) penetrating through each screw rod groove (21) is horizontally arranged on the inner side of each first sleeve (1), a dial indicator (20) is vertically arranged at the middle position of the front face of each bearing platform frame (19), a baffle (22) is vertically arranged at the top end of the first, and a third bearing plate (29) is horizontally arranged at the top end of the first bearing plate (3) at one side of the baffle plate (22), a sliding chute (30) is horizontally arranged at the middle position of the top end in the third bearing plate (29), and the third bearing plate (29) at the bottom end of the sliding chute (30) is internally and evenly provided with a first clamping groove (28), two ends of the inside of the sliding chute (30) are respectively provided with a second sliding block (34) matched with the sliding chute (30), and one end of the top end of the second sliding block (34) is vertically provided with a bearing platform (27), the middle positions of the top ends of the two side walls in the bearing platform (27) are respectively provided with a mounting groove (40), a metal rod (32) is embedded in the mounting groove (40), a first clamping frame (31) penetrating through the second sliding block (34) is arranged in the second sliding block (34) on one side of the bearing platform (27), and both ends of the top end in the first clamping frame (31) are vertically provided with a fourth spring (33) connected with the top end of the second sliding block (34).
2. The high-precision rod roundness testing fixture of claim 1, wherein: the first connecting rod (7) is respectively connected with the bearing platform frame (11) and the third sleeve (13) in a rotating mode through a hinged shaft to form a rotating mechanism, the third sleeve (13) is connected with the second connecting rod (8) through a first spring (9) to form a telescopic mechanism, the third sleeve (13) is connected with the third connecting rod (14) in a rotating mode through the hinged shaft to form a rotating mechanism, and meanwhile the third connecting rod (14) is connected with the second bearing platform plate (6) in a rotating mode through the hinged shaft to form a rotating mechanism.
3. The high-precision rod roundness testing fixture of claim 1, wherein: the second bearing plate (6) is connected with the sliding rail (5) in a sliding mode through the first sliding block (4) to form a sliding mechanism.
4. The high-precision rod roundness testing fixture of claim 1, wherein: and the fourth connecting rod (15) is connected with the second sleeve (12) through a second spring (10) to form a telescopic mechanism.
5. The high-precision rod roundness testing fixture of claim 1, wherein: the second clamping frame (35) and the second clamping groove (36) are clamped and connected to form a clamping mechanism.
6. The high-precision rod roundness testing fixture of claim 1, wherein: the first bevel gear disc (37) and the second bevel gear disc (39) are meshed and connected to form a meshing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920575575.4U CN210242668U (en) | 2019-04-25 | 2019-04-25 | High-precision rod piece roundness detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920575575.4U CN210242668U (en) | 2019-04-25 | 2019-04-25 | High-precision rod piece roundness detection tool |
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| Publication Number | Publication Date |
|---|---|
| CN210242668U true CN210242668U (en) | 2020-04-03 |
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ID=69969154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920575575.4U Active CN210242668U (en) | 2019-04-25 | 2019-04-25 | High-precision rod piece roundness detection tool |
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| CN (1) | CN210242668U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114338976A (en) * | 2021-12-14 | 2022-04-12 | 湖北省信产通信服务有限公司 | Monitoring device for urban road intelligent traffic |
| CN115823994A (en) * | 2023-02-15 | 2023-03-21 | 河南工学院 | PVC transparent door curtain thickness detection control device |
-
2019
- 2019-04-25 CN CN201920575575.4U patent/CN210242668U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114338976A (en) * | 2021-12-14 | 2022-04-12 | 湖北省信产通信服务有限公司 | Monitoring device for urban road intelligent traffic |
| CN114338976B (en) * | 2021-12-14 | 2024-03-12 | 湖北省信产通信服务有限公司 | Monitoring device for intelligent traffic of urban road |
| CN115823994A (en) * | 2023-02-15 | 2023-03-21 | 河南工学院 | PVC transparent door curtain thickness detection control device |
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