CN205120516U - A component for detecting steel structure body wearing and tearing volume - Google Patents
A component for detecting steel structure body wearing and tearing volume Download PDFInfo
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- CN205120516U CN205120516U CN201520819789.3U CN201520819789U CN205120516U CN 205120516 U CN205120516 U CN 205120516U CN 201520819789 U CN201520819789 U CN 201520819789U CN 205120516 U CN205120516 U CN 205120516U
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Abstract
The utility model relates to a component for detecting steel structure body wearing and tearing volume sets up in the steel constructs the inspection hole of personally experiencing sth. Part of the body, and this component includes that it constructs the multistage formula current conducting plate that body wearing and tearing were measured to detect the steel through electrically conductive hop count, and its top flushes with the wearing and tearing terminal surface that the steel constructs the body, this multistage formula current conducting plate is printed circuit board, and its surface sets up a plurality of horizontal copper foil wires that are the cusp and arrange along the wearing and tearing direction that the steel constructs the body, and horizontal copper foil wire connects gradually through putting the copper foil wire from north to south, and multicore cable junction electronic equipment is connected respectively to the free end of horizontal copper foil wire with the sinle silk of multicore cable. Compared with the prior art, the utility model discloses simple structure, simple to operate, wearing and tearing volume information acquisition is timely, can effectively embody the process that the steel constructs body wearing and tearing, the utility model is suitable for a shield constructs the detection that cutter or the blade disc steel sheet of the body or pipe pushing jack etc. Are in the wearing and tearing volume of wearing and tearing state and unable direct labor's measuring steel member.
Description
Technical field
The utility model relates to a kind of detecting element for steel structure body wear extent, especially relate to a kind of be applicable to shield machine, push bench cutterhead, cutter or other be in state of wear and cannot direct labor measure steel beam column wearing and tearing detecting element.
Background technology
In shield machine, push bench construction tunneling process, by the front to cutterhead, cutterhead limit week steel structure body, tool wear situation and wear extent detection, on the one hand can conservative control and management shield machine, push bench tunneling construction parameter, as effective push, cutter pile penetration, soil improvement measure, and other auxiliary construction management etc., realize efficient propelling construction; Can to be reduced on the other hand in tunneling process because of stratum sudden change or to run into abnormal object, cause cannot Timeliness coverage cutterhead, cutter inordinate wear risk, accurately judge tool changing opportunity, to optimize the economic target that cutter uses, improve the safety coefficient of constructing simultaneously.
Domestic present stage, the wear law to cutterhead or cutter also cannot be grasped completely, and the real-time follow-up detection level of cutterhead, tool wear is inadequate, and the complicated difficulty of cutter changing, cost are high, are affect one of the quality of whole engineering and the key factor of duration.Therefore, how to detect shield machine, push bench cutterhead, digging tool wear situation accurately in real time, be the problem demanding prompt solution affecting shield method or construction by pipeline jacking method.
At present, steel structure body, especially the detection method of shield machine, push bench tool wear mainly contains the inspection that opens a position, tool wear induction installation, peculiar smell adjuvant, boring parameter analysis etc.
Open a position the method that checks the most effectively, but there is higher risk, usually need to carry out Operating Pressure, the unstability of excavation face may be caused to cave in, affect the safety of tunnel perimeter buildings and even cause casualties.
Peculiar smell adjuvant is poor effect in earth pressure balanced shield, EPBS and slurry shield, also cannot realize wear extent more accurately and detect.
Fluid pressure type commonly used by tool wear induction installation, fluid pressure type wear detector can only realize the detection of single wear height, namely may wear to setting height, fluid pressure line pressure release is reported to the police, for setting wear height before and after wear process and abrasion condition unknown, cannot the accurately setting of guiding construction parameter and the establishment of tunneling program.
Chinese patent CN102287199A discloses the multistage wear detection tool of a kind of shield machine electric current power-off induction type; comprise major cutting edge, protection sword, cutter hub and wearing layer; cutter hub described in tool is drilled with detect aperture; the bottom of described detect aperture extends between major cutting edge and protection sword; be provided with the wire of the mutually insulated of many stepped distributions in described detect aperture, many described wires are connected with a LED by the testing circuit of multiple parallel connection respectively.When the major cutting edge of cutter with when protecting sword that wearing and tearing occur and make the wire of described many stepped distributions be rubbed successively, the LED be connected by circuit with described multiple conducting wires is extinguished successively, can judge the degree of wear of cutter intuitively.This patent is only a dedicated tool with detectability, plays the wire of the mutually insulated of many stepped distributions of detection effect, reflects the state of tool wear after this wire rubs.The wear extent that during patent of invention right illustrates, clearly this invention does not reflect is how many long measures, and the wear extent that namely this invention detects is detection data roughly, accurately can not reflect the real wear extent of cutter; Wear signal can need be reflected on relevant indicating device by the conductive plate on cutterhead stationary shaft by this invention right descriptions.
Summary of the invention
The purpose of this utility model be exactly in order to overcome above-mentioned prior art exist defect and provide a kind of structure simple, easy for installation, wear extent acquisition of information is timely, effectively can embody the detecting element of process of steel structure body wearing and tearing, this detecting element is applicable to the cutter of shield structure body or push bench or cutterhead steel plate etc. and is in state of wear and cannot direct labor's detection of the wear extent of steel beam column of measuring.
The purpose of this utility model can be achieved through the following technical solutions:
For detecting an element for steel structure body wear extent, be arranged in the detect aperture of steel structure body, this element comprises the multisection type current-carrying plate being detected steel structure body wear extent by conduction hop count, the wearing and tearing end face of its top and steel structure body; This multisection type current-carrying plate is printed-wiring board (PWB), its surface arranges multiple horizontal Copper Foil wire arranged in dentation along the wear direction of steel structure body, horizontal Copper Foil wire is connected successively by longitudinal Copper Foil wire, the free end of horizontal Copper Foil wire is connected with the core of polycore cable respectively, and polycore cable connects electronic equipment.
Described printed-wiring board (PWB) is aluminium base double-side printed-wiring board, its pro and con arranges multiple horizontal Copper Foil wire arranged in dentation along the wear direction of steel structure body respectively, the orthogonal projection of horizontal Copper Foil wire in the front of printed-wiring board (PWB) of the lowermost end of pro and con is overlapping, the two is connected by plated through-hole or other printed-wiring board (PWB) treatment process, remaining horizontal Copper Foil wire orthogonal projection in the front of printed-wiring board (PWB) is not overlapping, the horizontal Copper Foil wire of pro and con connects successively respectively by a longitudinal Copper Foil wire, the free end of described horizontal Copper Foil wire is connected with the core of polycore cable respectively, polycore cable connects electronic equipment.
The Copper Foil wire that two adjacent orthogonal projection are corresponding lays respectively at pro and con, and spacing between adjacent two orthogonal projection is equal, and this spacing is equal with the width of horizontal Copper Foil wire.
The horizontal Copper Foil wire of printed-wiring board (PWB) pro and con is 5 ~ 99 in the quantity of the orthogonal projection in printed-wiring board (PWB) front, and the spacing between adjacent two orthogonal projection is 0.2 ~ 10mm.
The horizontal Copper Foil wire of printed-wiring board (PWB) pro and con printed-wiring board (PWB) front the quantity of orthogonal projection be 41 ~ 59, the spacing between adjacent two orthogonal projection is 0.5 ~ 1.5mm.
Each horizontal Copper Foil wire has two free ends, and each horizontal Copper Foil wire is connected with a core of polycore cable.
This element also comprises fixed support and cylindrical stainless steel casing, and this fixed support and printed-wiring board (PWB) are that right-angled intersection is connected, and is placed in described cylindrical stainless steel casing.
Fill gaps epoxy resin in described cylindrical stainless steel casing.
Described steel structure body is cutter or the cutterhead steel plate of shield machine or push bench, described polycore cable is by the bottom of detect aperture through cutter, extend and be fixed on cutterhead assigned address, and the top of the center steering bearing of shield machine or push bench is extended to by the preformed hole on the center steering of the cutterhead of shield machine or push bench, access in special electronic equipment.
Compared with prior art, the utility model has the following advantages:
(1) the utility model patent adopts multistage to measure, and realizes the continuous detecting of shield machine, push bench cutterhead, tool wear, is equipped with the on-line checkingi that special electronic equipment can realize shield machine, push bench cutterhead, tool wear.
(2) detection of tool abrasion, existing method information that is complicated, that obtain is single and inaccurate; Or there is higher risk, for the wear process of knife disc tool and abrasion condition unknown or to know and not quite clear, cannot the accurately setting of guiding construction parameter and the establishment of tunneling program.The utility model structure is simple, easy for installation, wear extent acquisition of information is timely, effectively can embody the process of tool wear, can adopt and directly measure or access specialized electronic device, the wear extent of cutter be fed back in time shield machine, the operation of push bench or construction manager, to adjust arrangement and method for construction in time, eliminate the improper wearing and tearing of knife disc tool, eliminate construction hidden danger, improve the efficiency of shield machine, push bench tunneling construction.
The utility model patent adopts the printed-wiring board (PWB) accurately made, the Copper Foil of its printing has accurate magnitude of physical quantity, accurately can reflect the physical quantity of frayed steel structure body wearing and tearing length, owing to being independently detecting element, the required place detected can be arranged on, as in cutter, in the steel plate in cutterhead limit week etc. chainlessly.The attrition value that the utility model patent obtains is a determined value, is not the probable wearing and tearing that patent CN102287199A obtains, and independently element is convenient to install, and does not have the constraint of conductive plate, is equipped with special electronic device and can obtains attrition value accurately.
The utility model is not only the wearing and tearing that can detect cutter, also cutterhead steel plate can be detected, the particularly wearing and tearing of all steel plates in cutterhead limit, can extend be applied to other be in state of wear, cannot direct labor measure and need detect wearing and tearing place, the element of the detection wear extent described in the utility model patent is a detecting element that accurately can reflect wearing and tearing length physical quantity, and minimum length physical quantity can reach 0.4mm; The element of the detection wear extent described in the utility model patent can be arranged on the place of any suitable needs detection, adopts mounting hole install and fix, does not have the constraint of conductive plate, easy to use.
The aluminium base double-side printed-wiring board that the utility model adopts can obtain good heat conduction and heat-sinking capability impacts its performance with the heat eliminating wearing and tearing generation; And horizontal Copper Foil wire has two free ends, according to convenient, concrete condition can arrange that the principle of core selects certain free end in two free ends to be connected with a core of polycore cable; Fixed support made core arranged again many two can the path of cabling, facilitate cabling, and fixed support also makes more firm at cylindrical stainless steel internal fixtion of printed-wiring board (PWB).
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2-1 is the structural representation in the front of double-side aluminum printed-wiring board (PWB);
Fig. 2-2 is the structural representation of the reverse side of double-side aluminum printed-wiring board (PWB);
Fig. 2-3 is support bracket fastened structural representation;
Fig. 3 is the structural representation of profile of the present utility model;
Fig. 4 is plan structure schematic diagram of the present utility model;
Fig. 5 is electronic schematic diagram of the present utility model;
Fig. 6 is the scheme of installation that the utility model is applied to the cutter of shield machine;
Fig. 7 is the scheme of installation that the utility model is applied to the cutter of push bench;
Fig. 8 is the scheme of installation that the utility model is applied to cutterhead steel plate;
Fig. 9 is the schematic diagram that the utility model connects multimeter;
Figure 10 is the schematic diagram that the utility model connects electronic equipment.
In figure, 1 is cylindrical stainless steel casing, and 2 is polycore cable, 21 is core, and 3 is aluminium base double-side printed-wiring board, and 31 is printed-wiring board (PWB) front, 32 is printed-wiring board (PWB) reverse side, and 33 is horizontal Copper Foil wire, and 34 is longitudinal Copper Foil wire, 4 is fixed support, and 5 is epoxy resin, and 6 is PVC film, 7 is cutter, 81 is multimeter, and 82 is special electronic equipment, and 9 is cutterhead steel plate.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Embodiment 1
For detecting the element of steel structure body wear extent, as Fig. 1, shown in Fig. 3 and Fig. 4, comprise the multisection type current-carrying plate being detected steel structure body wear extent by conduction hop count, this multisection type current-carrying plate is aluminium base double-side printed-wiring board 3, printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32 arrange 13 horizontal Copper Foil wires 33 arranged in dentation along the wear direction of steel structure body respectively, the orthogonal projection of horizontal Copper Foil wire 33 in printed-wiring board (PWB) front 31 of the lowermost end of printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32 is overlapping, the two is connected by plated through-hole, remaining horizontal Copper Foil wire 33 orthogonal projection in printed-wiring board (PWB) front 31 is not overlapping, and horizontal Copper Foil wire 33 corresponding to adjacent two orthogonal projection lays respectively at printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32, as Fig. 1, shown in Fig. 2-1 and Fig. 2-2, spacing between adjacent two orthogonal projection is 1mm, the distance on the limit of the arest neighbors of so-called spacing and adjacent two orthogonal projection, and the width of horizontal Copper Foil wire 33 is also 1mm.Printed-wiring board (PWB) front 31 is connected respectively by a longitudinal Copper Foil wire 34 successively with the horizontal Copper Foil wire 33 of printed-wiring board (PWB) reverse side 32, longitudinal Copper Foil wire 34 is in the centre position of horizontal Copper Foil wire 33, horizontal Copper Foil wire 33 has two free ends, each one of them free end of horizontal Copper Foil wire 33 is connected with the core 21 of polycore cable 2, one section of groove is had bottom aluminium base double-side printed-wiring board 3, one section of groove is arranged at the top of fixed support 4, as Figure 2-3, the two forms criss-cross construction by slot fit, core 21 can according to the convenient principle cabling arranged, then by cylindrical for it loading stainless steel casing 1, the inside surface of cylindrical stainless steel casing 1 has one deck PVC film 6, inner space epoxy resin 5 is filled, as shown in Figure 4, polycore cable 2 stretches out from the afterbody of stainless steel casing 1, connect electronic equipment, such as multimeter 81 or special electronic equipment 82, its electrical schematic diagram as shown in Figure 5.
This element is arranged in the detect aperture of cutter 7 of shield machine, as shown in Figure 6, the wearing and tearing end face of the cutter 7 of top and shield machine, polycore cable 2 is by the bottom of detect aperture through shield machine cutter 7, extend and be fixed on cutterhead assigned address, and extended to the top of the center steering bearing of shield machine by the preformed hole on the center steering of the cutterhead of shield machine, access multimeter 81, as shown in Figure 9, thus restore cutter, 7 wearing and tearing physical quantitys.
During cutter head of shield machine digging, as cutter 7 is worn 2mm, this element, by generation one section of electric conductor breaking signal, increases with cutter 7 wear extent, and cutter 7 is worn 4mm, element is by generation two sections of electric conductor breaking signal, by that analogy, when cutter 7 is worn 50mm, element is by production 25 sections of electric conductor breaking signal, by directly measuring electric conductor disjunction quantity, the physical quantity that cutter 7 weares and teares can be restored.The wear extent of cutter 7 is fed back in time operation or the construction manager of shield machine, to adjust arrangement and method for construction in time, eliminate the improper wearing and tearing of cutter, eliminate construction hidden danger, improve the efficiency of shield machine tunneling construction.
Electrical principle such as Fig. 5 of this device shows, the horizontal Copper Foil wire 33 of the lowermost end in printed-wiring board (PWB) front 31 applies one end (pole) of a direct current or single-phase alternating current, now other the horizontal Copper Foil wire 33 that arranges along the wear direction of steel structure body of printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32, the direct current that the horizontal Copper Foil wire 33 of the lowermost end in acquisition and printed-wiring board (PWB) front 31 applies or same one end (pole) of single-phase alternating current, whether the magnitude of voltage between the end (pole) of the horizontal Copper Foil wire 33 arranged in dentation arranged with the wear direction along steel structure body by the other end (pole) measuring direct current or the single-phase alternating current applied is consistent with applied supply voltage value, as occur survey magnitude of voltage lower than apply a certain value (as 10% of supply voltage value) of supply voltage value, some the Copper Foil wire illustrating in the horizontal Copper Foil wire 33 arranged in dentation that now printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32 are arranged along the wear direction of steel structure body is worn elimination.Further detection is worn horizontal Copper Foil wire 33 quantity eliminated, and then calculates length of wearing and tearing really.
Embodiment 2
The present embodiment is substantially the same manner as Example 1, difference is that printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32 arrange 50 horizontal Copper Foil wires 33 arranged in dentation along the wear direction of steel structure body respectively, the orthogonal projection of horizontal Copper Foil wire 33 in the front of printed-wiring board (PWB) of the lowermost end of printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32 is overlapping, the two is connected by plated through-hole, remaining horizontal Copper Foil wire 33 orthogonal projection in printed-wiring board (PWB) front 31 is not overlapping, and horizontal Copper Foil wire 33 corresponding to adjacent two orthogonal projection lays respectively at printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32, spacing between adjacent two orthogonal projection is 0.2mm, the width of horizontal Copper Foil wire 33 is also 0.2mm.
By this element application on the cutter 7 of push bench, as shown in Figure 7, this element is arranged in the detect aperture of cutter 7 of push bench, the wearing and tearing end face of the cutter 7 of top and push bench, polycore cable 2 is by the bottom of detect aperture through the cutter 7 of push bench, extend and be fixed on cutterhead assigned address, and the top of the center steering bearing of push bench is extended to by the preformed hole on the center steering of the cutterhead of push bench, access electronic equipment 82, as shown in Figure 10, thus restore cutter 7 wear and tear physical quantity.When the digging of push bench cutterhead, as cutter 7 is worn 0.4mm, this element, by generation one section of electric conductor breaking signal, increases with cutter 7 wear extent, and cutter 7 is worn 0.8mm, element is by generation two sections of electric conductor breaking signal, by that analogy, when cutter 7 is worn 39.6mm, element is by production 99 sections of electric conductor breaking signal, by being connected with special electronic equipment 82 by polycore cable 2, the physical quantity that cutter 7 weares and teares can be restored.The wear extent of cutter 7 is fed back in time operation or the construction manager of push bench, to adjust arrangement and method for construction in time, eliminate the improper wearing and tearing of cutter 7, eliminate construction hidden danger, improve the efficiency of push bench.
Embodiment 3
The present embodiment is substantially the same manner as Example 1, difference is that printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32 arrange 3 horizontal Copper Foil wires 33 arranged in dentation along the wear direction of steel structure body respectively, the orthogonal projection of horizontal Copper Foil wire 33 in printed-wiring board (PWB) front 31 of the lowermost end of printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32 is overlapping, the two is connected by plated through-hole, remaining horizontal Copper Foil wire 33 orthogonal projection in printed-wiring board (PWB) front 31 is not overlapping, and horizontal Copper Foil wire 33 corresponding to adjacent two orthogonal projection lays respectively at printed-wiring board (PWB) front 31 and printed-wiring board (PWB) reverse side 32, spacing between adjacent two orthogonal projection is 10mm, the width of horizontal Copper Foil wire 33 is also 10mm.
By this element application on the cutter 7 of push bench, during cutter head of shield machine digging, as cutter 7 is worn 20mm, this element is by generation one section of electric conductor breaking signal, increase with cutter 7 wear extent, cutter 7 is worn 40mm, element by generation two sections of electric conductor breaking signal, by that analogy, when cutter 7 is worn 100mm, element, by production five sections of electric conductor breaking signal, by directly measuring electric conductor disjunction quantity, can restore the physical quantity that cutter 7 weares and teares.The wear extent of cutter 7 is fed back in time operation or the construction manager of push bench, to adjust arrangement and method for construction in time, eliminate the improper wearing and tearing of cutter 7, eliminate construction hidden danger, improve the efficiency of push bench.
Embodiment 4
The present embodiment is substantially the same manner as Example 1, difference is this element application on cutterhead steel plate 9, as shown in Figure 8, by suitable method by the operation that feeds back to during the wear extent of cutterhead steel plate 9 or construction manager, to adjust arrangement and method for construction in time, eliminate the improper wearing and tearing of cutterhead steel plate 9, eliminate construction hidden danger, improve efficiency.
Claims (9)
1. for detecting an element for steel structure body wear extent, being arranged in the detect aperture of steel structure body, it is characterized in that, this element comprises the multisection type current-carrying plate being detected steel structure body wear extent by conduction hop count, the wearing and tearing end face of its top and steel structure body; This multisection type current-carrying plate is printed-wiring board (PWB), its surface arranges multiple horizontal Copper Foil wire arranged in dentation along the wear direction of steel structure body, horizontal Copper Foil wire is connected successively by longitudinal Copper Foil wire, the free end of horizontal Copper Foil wire is connected with the core of polycore cable respectively, and polycore cable connects electronic equipment.
2. the element for detecting steel structure body wear extent according to claim 1, it is characterized in that, described printed-wiring board (PWB) is aluminium base double-side printed-wiring board, its pro and con arranges multiple horizontal Copper Foil wire arranged in dentation along the wear direction of steel structure body respectively, the orthogonal projection of horizontal Copper Foil wire in the front of printed-wiring board (PWB) of the lowermost end of pro and con is overlapping, the two is connected by plated through-hole or other printed-wiring board (PWB) treatment process, remaining horizontal Copper Foil wire orthogonal projection in the front of printed-wiring board (PWB) is not overlapping, the horizontal Copper Foil wire of pro and con connects successively respectively by a longitudinal Copper Foil wire, the free end of described horizontal Copper Foil wire is connected with the core of polycore cable respectively, polycore cable connects electronic equipment.
3. the element for detecting steel structure body wear extent according to claim 2, it is characterized in that, the Copper Foil wire that two adjacent orthogonal projection are corresponding lays respectively at pro and con, and spacing between adjacent two orthogonal projection is equal, and this spacing is equal with the width of horizontal Copper Foil wire.
4. the element for detecting steel structure body wear extent according to Claims 2 or 3, it is characterized in that, the quantity of described orthogonal projection is 5 ~ 99, the spacing between adjacent two orthogonal projection is 0.2 ~ 10mm.
5. the element for detecting steel structure body wear extent according to claim 4, is characterized in that, the quantity of described orthogonal projection is 41 ~ 59, and the spacing between adjacent two orthogonal projection is 0.5 ~ 1.5mm.
6. the element for detecting steel structure body wear extent according to claim 1 and 2, is characterized in that, each horizontal Copper Foil wire has two free ends, and each horizontal Copper Foil wire is connected with a core of polycore cable.
7. the element for detecting steel structure body wear extent according to claim 1 and 2, it is characterized in that, also comprise fixed support and cylindrical stainless steel casing, this fixed support and printed-wiring board (PWB) are that right-angled intersection is connected, and are placed in described cylindrical stainless steel casing.
8. the element for detecting steel structure body wear extent according to claim 7, is characterized in that, the fill gaps epoxy resin in described cylindrical stainless steel casing.
9. the element for detecting steel structure body wear extent according to claim 1 and 2, it is characterized in that, described steel structure body is cutter or the cutterhead steel plate of shield machine or push bench, described polycore cable is by the bottom of detect aperture through cutter, extend and be fixed on cutterhead assigned address, and extended to the top of the center steering bearing of shield machine or push bench by the preformed hole on the center steering of the cutterhead of shield machine or push bench, in access electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819789.3U CN205120516U (en) | 2015-10-21 | 2015-10-21 | A component for detecting steel structure body wearing and tearing volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520819789.3U CN205120516U (en) | 2015-10-21 | 2015-10-21 | A component for detecting steel structure body wearing and tearing volume |
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| Publication Number | Publication Date |
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| CN205120516U true CN205120516U (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520819789.3U Active CN205120516U (en) | 2015-10-21 | 2015-10-21 | A component for detecting steel structure body wearing and tearing volume |
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| CN (1) | CN205120516U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610362A (en) * | 2015-10-21 | 2017-05-03 | 上海力行工程技术发展有限公司 | Component for detecting wear extent of steel structure |
| CN109405708A (en) * | 2018-12-28 | 2019-03-01 | 中国矿业大学(北京) | Cutter head of shield machine, tool wear measurement rotation ruler, measuring system and measurement method |
-
2015
- 2015-10-21 CN CN201520819789.3U patent/CN205120516U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106610362A (en) * | 2015-10-21 | 2017-05-03 | 上海力行工程技术发展有限公司 | Component for detecting wear extent of steel structure |
| CN109405708A (en) * | 2018-12-28 | 2019-03-01 | 中国矿业大学(北京) | Cutter head of shield machine, tool wear measurement rotation ruler, measuring system and measurement method |
| CN109405708B (en) * | 2018-12-28 | 2023-12-15 | 中国矿业大学(北京) | Cutter head of shield machine, cutter abrasion measurement rotating ruler, measurement system and measurement method |
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