CN219495092U - Segmented cylinder coaxiality detection device for telescopic camera of shield tunneling machine - Google Patents
Segmented cylinder coaxiality detection device for telescopic camera of shield tunneling machine Download PDFInfo
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- CN219495092U CN219495092U CN202320365793.1U CN202320365793U CN219495092U CN 219495092 U CN219495092 U CN 219495092U CN 202320365793 U CN202320365793 U CN 202320365793U CN 219495092 U CN219495092 U CN 219495092U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model provides a segmented cylinder coaxiality detection device of a shield tunneling machine telescopic camera, which comprises a screw rod coaxially arranged with at least one end part of a segmented cylinder, a fitting tool axially slidably arranged in the segmented cylinder and positioning components arranged at two end parts of the segmented cylinder, wherein the two end parts of the screw rod are positioned outside the segmented cylinder, the fitting tool is sleeved on the screw rod and is in threaded connection with the screw rod, the positioning components are in rotary connection with the screw rod, and the positioning components are used for preventing the screw rod from displacing in the axial direction of the segmented cylinder.
Description
Technical Field
The utility model relates to the technical field of shield tunneling machine visualization systems, in particular to a segmented cylinder coaxiality detection device for a telescopic camera of a shield tunneling machine.
Background
The shield machine visualization system generally comprises a camera assembly and a barrel, wherein the camera assembly comprises a camera and a camera mounting seat, the camera is mounted on the camera mounting seat, the camera mounting seat can be arranged in the barrel in a back-and-forth moving mode, when the shield machine visualization system works, the camera mounting seat is driven to move back-and-forth through the rotation of a screw rod, so that the camera stretches out of or retracts into a shield machine cutterhead, the working condition of an excavation surface is observed, and in order to ensure the observation precision, the gap between the camera assembly and the inner wall of the barrel is very small, and is usually about 0.05 mm.
Because the cutter head is thicker, and the muddy water bin at the rear of the cutter head also has a certain longitudinal width, the barrel length of the shield machine visualization system is longer (usually about 2.5 meters), and the inner wall of the barrel is also required to be provided with a sliding chute for sliding the camera mounting seat, so that the difficulty and the cost for processing a complete length barrel are higher, and moreover, the diameters of the barrels of the shield machine are different, the diameter of the visualization system of the shield machine is correspondingly changed, and the cost is difficult to reduce through batch processing, so that a plurality of shorter barrels are connected into a complete length barrel in a segmented mode, namely a commonly called segmented barrel.
Due to the sectional cylinder body sectional assembly mode, after assembly, the coaxiality of the inner holes of the sectional cylinder body sectional assembly mode has errors, the adjacent cylinder body sectional assembly can be subjected to misalignment, the sectional cylinder body sectional assembly needs to be detected, whether the sectional cylinder body sectional assembly is qualified or unqualified is judged, the phenomena of unsmooth movement, blocking in movement and the like are avoided after the camera component is installed, but due to the fact that the interval of the cylinder walls is short of reference, the inner holes of the cylinder bodies are difficult to detect through a detection instrument outside, and a detection device special for detecting the coaxiality of the sectional cylinder body is urgently needed.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provides a sectional type cylinder coaxiality detection device for a telescopic camera of a shield tunneling machine, which can effectively detect the coaxiality of a sectional type cylinder, and has the advantages of simple structure, convenient operation, low price and easy acquisition of all parts and simple and convenient post maintenance.
In order to achieve the above purpose, the technical scheme adopted by the utility model is that the segmented cylinder coaxiality detection device of the telescopic camera of the shield tunneling machine comprises:
the screw rod is coaxially arranged with at least one end part of the sectional cylinder body, and the two end parts of the screw rod are positioned at the outer side of the sectional cylinder body;
the shaping tool is arranged in the sectional cylinder in an axially sliding manner, the external dimension of the shaping tool is consistent with that of the telescopic camera mounting seat, the shaping tool is sleeved on the screw and is in threaded connection with the screw, and when the screw rotates, the shaping tool slides along the axial direction of the sectional cylinder;
the positioning components are arranged at two ends of the sectional cylinder body and are rotationally connected with the screw rod, and the positioning components are used for preventing the screw rod from generating displacement in the axial direction of the sectional cylinder body.
Preferably, the positioning assembly comprises a flange plate coaxially connected with the end part of the sectional cylinder body, a bearing embedded in the center of the flange plate, and a blocking cover connected with the outer side of the flange plate, wherein the inner ring of the bearing is sleeved at the end part of the screw rod and is in interference connection with the end part of the screw rod, and the blocking cover is used for blocking the outer ring of the bearing.
Further preferably, the screw comprises a screw body located in the middle, shaft ends located at two ends, and a shaft sleeve used for connecting the screw body and the shaft ends, the shaft ends are in interference connection with the bearing inner ring, and two ends of the shaft sleeve are respectively sleeved on the screw body and the shaft ends.
Further preferably, an inner wall of the sleeve is screwed to the screw body and the shaft end, and an outer wall of the sleeve is welded to the screw body and the shaft end.
Further preferably, at least one end of the shaft is provided with an annular flange for abutting against the bearing inner ring, and the annular flange is located inside the stopper cover.
Further preferably, the end face of the flange plate, which faces the sectional cylinder, is provided with a disc-shaped or circular-ring-shaped protrusion, the protrusion is coaxial with the flange plate, an annular groove matched with the protrusion is formed in the opening of the end of the sectional cylinder, the annular groove is coaxial with the end of the sectional cylinder, and the protrusion is embedded in the annular groove.
Further preferably, the sectional type barrel comprises a plurality of barrel sections, the end parts of the barrel sections are connected with flange seats, the adjacent flange seats of the barrel sections are locked through first bolts, and the flange seats and the flange plates at the end parts of the sectional type barrel are locked through second bolts.
Further preferably, a key groove is formed in the inner wall of the barrel section, the key groove penetrates through the barrel section along the axial direction, the key grooves on the adjacent barrel sections are aligned, a protruding block is arranged on the fitting tool, and the protruding block is slidably arranged in the key groove.
Further preferably, the flange plate is provided with a through hole for passing an endoscope.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
the utility model provides a segmented cylinder coaxiality detection device of a shield tunneling machine telescopic camera, which comprises a screw rod coaxially arranged with at least one end part of a segmented cylinder, a shaping tool axially slidably arranged in the segmented cylinder and positioning components arranged at two end parts of the segmented cylinder, wherein the two end parts of the screw rod are positioned outside the segmented cylinder, the external dimension of the shaping tool is consistent with the external dimension of a telescopic camera mounting seat, the shaping tool is sleeved on the screw rod and is in threaded connection with the screw rod, the positioning components are rotationally connected with the screw rod, the positioning components are used for preventing the screw rod from displacing in the axial direction of the segmented cylinder, during detection, the shaping tool can be driven to slide along the axial direction of the segmented cylinder by rotating the screw rod, so that the sliding of the camera component in the segmented cylinder is simulated, if the phenomenon that the screw rod rotates fixedly or the torque required by rotating is overlarge occurs, the coaxiality of the segmented cylinder and the adjacent segmented cylinder is proved, the connecting part has the phenomenon of wrong edge, and the distance between the segmented cylinder and the segmented end part can be calculated through the product of the number of screw rod rotation turns and the thread distance of the thread on the screw rod, thereby the segmented cylinder is easy to determine the segmented cylinder coaxiality, the segmented position can be easily detected, the structure is easy, the device is easy to maintain, and has low cost, and convenient operation, and convenient maintenance.
Drawings
Fig. 1 is a schematic cross-sectional view of a preferred embodiment of the present utility model.
FIG. 2 is a schematic cross-sectional view taken in the direction A-A of FIG. 1.
Fig. 3 is a partially enlarged schematic view at B in fig. 1.
Fig. 4 is an enlarged partial schematic view at C in fig. 1.
Wherein: 10. a screw; 11. a screw body; 12. a shaft end; 121. an annular flange; 13. a shaft sleeve; 20. fitting; 21. a bump; 30. a positioning assembly; 31. a flange plate; 311. a protrusion; 32. a bearing; 33. a blocking cover; 40. a segmented cylinder; 41. an annular groove; 42. a barrel body is segmented; 421. a flange seat; 422. a first bolt; 423. a second bolt; 43. a keyway.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings so that the advantages and features of the present utility model will be more readily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
The right-left direction in the present utility model means the lower-upper direction in fig. 1.
As shown in fig. 1 to 4, the segmented cylinder coaxiality detection device for the telescopic camera of the shield tunneling machine provided by the utility model comprises: the device comprises a screw rod 10 coaxially arranged with the left end part of a sectional cylinder body 40, a fitting tool 20 axially slidably arranged in the sectional cylinder body 40, and positioning assemblies 30 arranged at the two end parts of the sectional cylinder body 40, wherein the left/right end parts of the screw rod 10 extend out of the sectional cylinder body 40 leftwards/rightwards, so that the two end parts of the screw rod 10 are positioned outside the sectional cylinder body 40; the external dimension of the fitting tool 20 is consistent with that of the telescopic camera mounting seat, the fitting tool 20 is sleeved on the screw 10 and is in threaded connection with the screw 10, and when the screw 10 rotates, the fitting tool 20 can be driven to slide along the axial direction of the sectional type barrel 40; the positioning assembly 30 is rotatably connected to the screw 10, and the positioning assembly 30 is used for preventing the screw 10 from displacing in the axial direction of the segmented cylinder 40.
The advantage that sets up like this lies in, when detecting, can drive through the rotation screw rod and imitate the frock and slide along sectional type barrel's axial direction to simulate the slip of camera subassembly in sectional type barrel, if the screw rod rotates motionless or rotate the too big phenomenon of required moment of torsion, then demonstrate barrel segmentation and the axiality of other barrel segmentation of this department and appear unusual, the junction has the phenomenon of wrong limit, can calculate the distance of this barrel segmentation from sectional type barrel tip through the product of screw rod rotation number of turns and screw rod upper thread tooth spacing, thereby confirm the axiality of this barrel segmentation, this detection device simple structure, convenient operation, each part low price is easily obtained, later maintenance easy maintenance is convenient.
In this embodiment, the positioning assembly 30 includes a flange 31 coaxially connected to the left and right ends of the segmented cylinder 40, a bearing 32 embedded in the center of the flange 31, and a blocking cover 33 connected to the outer side (the side far away from the segmented cylinder 40) of the flange 31, where the inner ring of the bearing 32 is sleeved on the end of the screw 10 and is in interference connection with the end, and the blocking cover 33 is used for blocking the outer ring of the bearing 10.
Further, the segmented cylinder 40 includes a plurality of cylinder segments 42, the ends of the cylinder segments 42 are connected with flange bases 421, the flange bases 421 of adjacent cylinder segments 42 are locked by first bolts 422, and the flange bases 421 at the ends of the segmented cylinder 40 are locked with the flange 31 by second bolts 423.
In order to realize that the flange 31 is coaxial with the barrel section 42 at the end of the segmented barrel 40, in this embodiment, a disc-shaped protrusion 311 is disposed on the end surface of the flange 31 facing the segmented barrel 40, the protrusion 311 is coaxial with the flange 31, an annular groove 41 matched with the protrusion 311 is disposed at the opening of the end of the segmented barrel 40, the annular groove 41 is coaxial with the barrel section 42 at the end of the segmented barrel 40, and the protrusion 311 is embedded in the annular groove 41.
In order to avoid the rotation of the screw 10, the fitting tool 20 follows the rotation, in this embodiment, the inner wall of each barrel segment 42 is provided with a key slot 424, the key slot 424 penetrates through the barrel segment 42 where the key slot 424 is located along the axial direction, the key slots 424 on the adjacent barrel segments 42 are aligned, the fitting tool 20 is provided with a bump 21, and the bump 21 is slidably disposed in the key slot 424.
In order to facilitate the rotational connection of the screw 10 and the positioning assembly 30, to reduce the interference generated by the movement of the fitting tool 20 in the segmented cylinder 40 due to the shaking during the rotation of the screw 10, in this embodiment, the screw 10 includes a screw body 11 located in the middle, shaft ends 12 located at both ends, and a shaft sleeve 13 for connecting the screw body 11 and the shaft ends 12, the shaft ends 12 are in interference connection with the inner ring of the bearing 32, the shaft ends 12 located at the left end are provided with an annular flange 121 for abutting against the inner ring of the bearing 32, the annular flange 121 is located at the inner side of the blocking cover 33, both ends of the shaft sleeve 13 are respectively sleeved on the screw body 11 and the shaft ends 12, specifically, the inner wall of the shaft sleeve 13 is in threaded connection with the screw body 11 and the shaft ends 12, and the two sets of threaded connection are identical in specification, the outer wall of the shaft sleeve 13 is in welded connection with the screw body 11 and the shaft ends 12, and when the shaft sleeve 13 is connected, the whole length of the screw 10 is adjusted relative to the rotation of the screw body 11 and the shaft ends 12, the annular flange 121 is abutted against the inner ring of the bearing 32, and then the shaft sleeve 13 is welded to the shaft ends of the shaft body 11, the shaft ends 11 and the shaft ends 12, respectively, and the inner wall of the shaft sleeve 13 and the shaft body 11 are prevented from being separated from the screw body 11 and the shaft body 11 or the shaft ends 12.
In order to realize visual detection and further judge the severity of dislocation situation of the connecting part of the cylinder segment 42, in the embodiment, a through hole 312 for the endoscope to pass through is further formed in the flange 31, when the fitting tool 20 is clamped in the segmented cylinder 40, the endoscope can be accessed through the through hole 312, the reasons can be rapidly determined through a camera of the endoscope, and the unqualified cylinder segment 42 is further determined.
The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.
Claims (9)
1. The utility model provides a shield constructs flexible camera sectional type barrel axiality detection device of machine which characterized in that includes:
the screw rod is coaxially arranged with at least one end part of the sectional cylinder body, and the two end parts of the screw rod are positioned at the outer side of the sectional cylinder body;
the shaping tool is arranged in the sectional cylinder in an axially sliding manner, the external dimension of the shaping tool is consistent with that of the telescopic camera mounting seat, the shaping tool is sleeved on the screw and is in threaded connection with the screw, and when the screw rotates, the shaping tool slides along the axial direction of the sectional cylinder;
the positioning components are arranged at two ends of the sectional cylinder body and are rotationally connected with the screw rod, and the positioning components are used for preventing the screw rod from generating displacement in the axial direction of the sectional cylinder body.
2. The shield tunneling machine telescopic camera segmented cylinder coaxiality detection device according to claim 1, wherein: the positioning assembly comprises a flange plate coaxially connected with the end part of the sectional cylinder body, a bearing embedded in the center of the flange plate and a blocking cover connected with the outer side of the flange plate, wherein the inner ring of the bearing is sleeved at the end part of the screw rod and is in interference connection with the end part of the screw rod, and the blocking cover is used for blocking the outer ring of the bearing.
3. The shield tunneling machine telescopic camera segmented cylinder coaxiality detection device according to claim 2, wherein: the screw comprises a screw body positioned in the middle, shaft end parts positioned at two ends and a shaft sleeve used for connecting the screw body with the shaft end parts, wherein the shaft end parts are in interference connection with the bearing inner ring, and the two end parts of the shaft sleeve are respectively sleeved on the screw body and the shaft end parts.
4. The shield tunneling machine telescopic camera segmented cylinder coaxiality detection device according to claim 3, wherein: the inner wall of the shaft sleeve is in threaded connection with the screw body and the shaft end, and the outer wall of the shaft sleeve is in welded connection with the screw body and the shaft end.
5. The shield tunneling machine telescopic camera segmented cylinder coaxiality detection device according to claim 3, wherein: an annular flange for abutting against the bearing inner ring is arranged on the shaft end part at least at one end, and the annular flange is positioned on the inner side of the retaining cover.
6. The shield tunneling machine telescopic camera segmented cylinder coaxiality detection device according to claim 2, wherein: the flange faces the end face of the sectional type barrel body, a disc-shaped or circular-ring-shaped bulge is arranged on the end face of the sectional type barrel body, the bulge is coaxial with the flange, an annular groove matched with the bulge is formed in the opening of the end portion of the sectional type barrel body, the annular groove is coaxial with the end portion of the sectional type barrel body, and the bulge is embedded in the annular groove.
7. The shield tunneling machine telescopic camera segmented cylinder coaxiality detection device according to claim 2, wherein: the sectional type barrel comprises a plurality of barrel sections, flange seats are connected to the end portions of the barrel sections, the adjacent flange seats of the barrel sections are locked through first bolts, and the flange seats and the flange plates at the end portions of the sectional type barrel are locked through second bolts.
8. The shield tunneling machine telescopic camera segmented cylinder coaxiality detection device according to claim 7, wherein: the inner wall of barrel segmentation is equipped with the keyway, the keyway runs through along axial direction the barrel segmentation, adjacent on the barrel segmentation the keyway aligns, be equipped with the lug on the shaping frock, the lug slidable sets up in the keyway.
9. The shield tunneling machine telescopic camera segmented cylinder coaxiality detection device according to claim 2, wherein: the flange plate is provided with a through hole for the endoscope to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320365793.1U CN219495092U (en) | 2023-03-02 | 2023-03-02 | Segmented cylinder coaxiality detection device for telescopic camera of shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320365793.1U CN219495092U (en) | 2023-03-02 | 2023-03-02 | Segmented cylinder coaxiality detection device for telescopic camera of shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219495092U true CN219495092U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320365793.1U Active CN219495092U (en) | 2023-03-02 | 2023-03-02 | Segmented cylinder coaxiality detection device for telescopic camera of shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219495092U (en) |
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2023
- 2023-03-02 CN CN202320365793.1U patent/CN219495092U/en active Active
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