CN105783644A - Length measuring device and method - Google Patents
Length measuring device and method Download PDFInfo
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- CN105783644A CN105783644A CN201410795008.1A CN201410795008A CN105783644A CN 105783644 A CN105783644 A CN 105783644A CN 201410795008 A CN201410795008 A CN 201410795008A CN 105783644 A CN105783644 A CN 105783644A
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Abstract
The invention discloses a device for measuring the length of a cable assembly, wherein the cable assembly comprises a cable and two cable terminal accessories which are respectively connected with the two ends of the cable. The length measuring device comprises a first measuring tool and a second measuring tool; the first measuring tool is suitable for horizontally supporting the cable terminal accessories and is used for marking two position calibration lines respectively corresponding to the two cable terminal accessories on the cable, the distance from each position calibration line to the connection hole of the external connection metal terminal of a corresponding cable terminal accessory is a fixed length, and therefore, measurement errors caused by the change of the boundary dimension of the cable terminal accessories can be avoided; the second measuring tool is suitable for horizontally and straightly supporting the cable between the two cable terminal accessories and is used for measuring the length of the cable between the two position calibration lines, and therefore, measurement errors caused by the twist of the cable can be avoided. With the length measuring device and method of the invention adopted, the length of the whole cable assembly can be measured accurately.
Description
Technical field
The present invention relates to a kind of length-measuring appliance and method, particularly relate to the apparatus and method of a kind of length for measuring cable assembly.
Background technology
High tension cable assembly, such as, cable assembly between the pantograph on locomotive, motor-car or subway and transformator, for transferring high voltage electricity it is connected electrically in, for instance, as it is shown in figure 1, generally comprise a cable 30 and be respectively electrically connected to two cable termination adnexaes 10,20 at cable 30 two ends.The length of this cable assembly is longer, and conventional length is 3～25 meters.
At present high tension cable length component is carried out accurate measurement and is always up the thing of part difficulty.In some cases, high tension cable assembly is that straight line is installed on roof, it does not have the space of storage superfluous cable, and on roof, the position of cable assembly installing hole is fixing simultaneously, it is impossible to adjust, and this requires very high for the control of cable assembly total length.Long or the too short cable assembly that directly results in cannot be installed.The method that cable assembly length is measured by prior art generally comprises following steps:
Cable assembly is positioned on level ground；
Two operators fix two cable termination adnexaes of cable assembly respectively；
Pull at straight cable assembly, so as to keep same straight line as far as possible；With
Tape measure is utilized to measure the distance between the connecting hole of two external metal terminals.
Existing method for measurement cannot accurately measure the length of cable assembly, and it main reason is that:
(1) as shown in Figure 1, cable termination adnexa 10,20 outermost is pyrocondensation full skirt 11,21, owing to the size of pyrocondensation full skirt 11,21 own differs, and pyrocondensation technology controlling and process, the overall dimensions making the cable accessory after pyrocondensation is variant, thus cable 30 cannot be positioned on level ground straightly；
(2) center of installing hole cannot be accurately determined, it is necessary to using aid, and each operator's method for measurement differs, therefore measurement error is bigger；
(3) cable 30 is due to the gravity of self, in measurement process with the central axis of cable termination adnexa 10,20 not on the same line, thus producing measurement error；With
(4) cable 30 can be distorted in packed and transported process, is difficult to stretch in measurement process；
Owing to cable length cannot accurately be measured, the problem that cable assembly length is too short or long when curstomer's site is installed is even generation, thus causing scrapping of cable assembly.
Summary of the invention
The purpose of the present invention aims to solve the problem that at least one aspect of the above-mentioned problems in the prior art and defect.
It is an object of the present invention to provide the apparatus and method of a kind of length for measuring cable assembly, it can accurately measure the length of cable assembly.
According to an aspect of the present invention, it is provided that a kind of length-measuring appliance, for measuring the length of cable assembly, described cable assembly includes a cable and two cable termination adnexaes at the two ends being connected to described cable.Wherein, described length-measuring appliance includes: the first survey tool, be suitable to flatly support described cable termination adnexa, for calibrating two the location position lines corresponding respectively with two cable termination adnexaes on cable, each location position line is regular length L1 to the distance of the connecting hole of the external metal terminal of corresponding cable termination adnexa；With the second survey tool, be suitable to support the cable between two cable termination adnexaes, for measuring described cable length L2 between two location position lines straightly.
Embodiment according to an example of the present invention, described first survey tool includes: pedestal, has a length direction；First support member, is arranged on one end of described pedestal；With the second support member, it is arranged on the other end of described pedestal, a vertical circular cone support column wherein it is provided with at the top of the first support member, described circular cone support column is for inserting in the connecting hole of external metal terminal of described cable termination adnexa, in order to support the outboard end of cable termination adnexa；It is provided with a V-arrangement support slot at the top of the second support member, is arranged in the cable near the medial extremity of described cable termination adnexa and is supported on described V-arrangement support slot；And the height of at least one in described first support member and the second support member can regulate, in order to make the central axis maintenance level of the cable termination adnexa being supported on described first and second support members.
The embodiment of another exemplary according to the present invention, between central axis and the limit, location of described V-arrangement support slot of described circular cone support column, the distance along described length direction is set equal to described regular length L1.
The embodiment of another exemplary according to the present invention, described second survey tool includes: an elongated V-shaped groove, and the cable between two cable termination adnexaes is placed in described elongated V-shaped groove, in order to make described cable keep straight；With a length measuring ruler, for measuring the length L2 between two location position lines of the cable being placed in described elongated V-shaped groove.
The embodiment of another exemplary according to the present invention, described circular cone support column is the separate part being removably mounted on the top of the first support member.
The embodiment of another exemplary according to the present invention, described first survey tool also include being arranged on described pedestal, for supporting the 3rd support member and the 4th support member of described cable termination adnexa；Described 3rd support member and described 4th support member are between described first support member and described second support member；And described 3rd support member and described 4th support member are configured to its height and can regulate and can move along described length direction, in order to guarantee the central axis maintenance level of the cable termination adnexa being supported on described first survey tool.
The embodiment of another exemplary according to the present invention, being respectively arranged with a V-arrangement support slot on the top of described 3rd support member and described 4th support member, the both sides of described cable termination adnexa are supported in the V-arrangement support slot of described 3rd support member and described 4th support member.
The embodiment of another exemplary according to the present invention, described first survey tool also includes the semi-cylindrical shaped positioning cap being suitable to be set with on described cable；Described positioning cap has for the demarcation edge with limit, the location conflict of the V-arrangement support slot of described second support member；And described location position line is drawn on the cables. along described demarcation edge.
The embodiment of another exemplary according to the present invention, described cable assembly is suitable between pantograph and the transformator being connected electrically on high ferro, motor-car or subway.
The embodiment of another exemplary according to the present invention, the pedestal of described first survey tool adopts aluminium section to make.
According to another aspect of the present invention, thering is provided a kind of length measurement method, for measuring the length L of cable assembly, described cable assembly includes a cable and two cable termination adnexaes at the two ends being connected to described cable, it is characterized in that, described length measurement method comprises the following steps:
S100: described cable termination adnexa is horizontally supported on the first survey tool, and utilize the first survey tool to calibrate two the location position lines corresponding respectively with two cable termination adnexaes on cable, wherein each location position line is regular length L1 to the distance of the connecting hole of the external metal terminal of corresponding cable termination adnexa；
S200: be supported on straight for the cable between two cable termination adnexaes on the second survey tool, and utilize the second survey tool to measure described cable length L2 between two location position lines；With
S300: calculate the length of cable assembly based on equation below: L=2*L1+L2.
Embodiment according to an example of the present invention, described first survey tool includes: pedestal, has a length direction；First support member, is arranged on one end of described pedestal；With the second support member, it is arranged on the other end of described pedestal, a vertical circular cone support column wherein it is provided with at the top of the first support member, described circular cone support column is for inserting in the connecting hole of external metal terminal of described cable termination adnexa, in order to support the outboard end of cable termination adnexa；It is provided with a V-arrangement support slot at the top of the second support member, is arranged in the cable near the medial extremity of described cable termination adnexa and is supported on described V-arrangement support slot；And the height of at least one in described first support member and the second support member can regulate, in order to make the central axis maintenance level of the cable termination adnexa being supported on described first and second support members.
The embodiment of another exemplary according to the present invention, between central axis and the limit, location of described V-arrangement support slot of described circular cone support column, the distance along described length direction is set equal to described regular length L1.
The embodiment of another exemplary according to the present invention, described step S100 comprises the following steps:
S110: the circular cone support column on described first support member is inserted in the connecting hole of external metal terminal of described cable termination adnexa；
S120: by cable support neighbouring inside described cable termination adnexa on the V-arrangement support slot of described second support member；
S130: regulate the height of at least one in described first support member and the second support member, makes the central axis level of described cable termination adnexa；With
S140: the limit, location along the V-arrangement support slot of described second support member draws location position line on the cables..
The embodiment of another exemplary according to the present invention, described second survey tool includes an elongated V-shaped groove and a length measuring ruler.
The embodiment of another exemplary according to the present invention, described step S200 comprises the following steps:
S210: the cable between two cable termination adnexaes is placed in described elongated V-shaped groove, in order to make described cable keep straight；With
S220: for the length L2 between two location position lines of the cable that length measuring ruler measurement is placed in described elongated V-shaped groove.
The embodiment of another exemplary according to the present invention, described circular cone support column is the separate part being removably mounted on the top of the first support member.
The embodiment of another exemplary according to the present invention, described first survey tool also include being arranged on described pedestal, for supporting the 3rd support member and the 4th support member of described cable termination adnexa；Described 3rd support member and described 4th support member are between described first support member and described second support member；And described 3rd support member and described 4th support member are configured to its height and can regulate and can move along described length direction, in order to guarantee the central axis maintenance level of the cable termination adnexa being supported on described first survey tool.
The embodiment of another exemplary according to the present invention, being respectively arranged with a V-arrangement support slot on the top of described 3rd support member and described 4th support member, the both sides of described cable termination adnexa are supported in the V-arrangement support slot of described 3rd support member and described 4th support member.
The embodiment of another exemplary according to the present invention, described first survey tool also includes the semi-cylindrical shaped positioning cap being suitable to be set with on described cable；Described positioning cap has for the demarcation edge with limit, the location conflict of the V-arrangement support slot of described second support member；And described location position line is drawn on the cables. along described demarcation edge.
In the length-measuring appliance and method of each embodiment according to the present invention, cable termination adnexa is horizontally supported on the first survey tool, and utilize the first survey tool to calibrate two the location position lines corresponding respectively with two cable termination adnexaes on cable, wherein each location position line is regular length to the distance of the connecting hole of the external metal terminal of corresponding cable termination adnexa.Therefore, it is possible to accurately calibrate the length of the cable termination adnexa with irregular contour such that it is able to avoid the measurement error owing to the change of cable termination adnexa overall dimensions causes.Meanwhile, the cable between cable termination adnexa is placed in an elongated V-shaped groove so that cable keeps straight such that it is able to avoid the measurement error owing to the distortion of cable causes.This makes it possible to accurately obtain the length of whole cable assembly.
By below with reference to accompanying drawing description made for the present invention, other purpose of the present invention and advantage will be apparent to, and can help the present invention is fully understood by.
Accompanying drawing explanation
Fig. 1 shows the schematic perspective view of a kind of typical cable assembly；
Fig. 2 shows the schematic perspective view of the first survey tool of the length of the cable termination adnexa for measuring the cable assembly in Fig. 1；
Fig. 3 shows the first cable termination adnexa of the cable assembly in Fig. 1 is horizontally supported at the schematic diagram on the first survey tool shown in Fig. 2；
Fig. 4 shows the schematic diagram on the cable of the first cable termination adnexa that a positioning cap is sleeved on the cable assembly shown in Fig. 3, and wherein, the edge of demarcating along positioning cap draws the primary importance calibration line corresponding with the first cable termination adnexa on cable；
Fig. 5 shows the second cable termination adnexa of the cable assembly in Fig. 1 is horizontally supported at the schematic diagram on the first survey tool shown in Fig. 2；
Fig. 6 shows the schematic diagram on the cable of the second cable termination adnexa that a positioning cap is sleeved on the cable assembly shown in Fig. 5, and wherein, the edge of demarcating along positioning cap draws the second position calibration line corresponding with the second cable termination adnexa on cable；
Fig. 7 is shown on cable to draw the schematic diagram of the cable assembly after the location position line corresponding respectively with the first and second cable termination adnexaes；With
The cable that Fig. 8 shows between by the first and second cable termination adnexaes is placed on the schematic diagram in an elongated V-shaped groove.
Detailed description of the invention
By the examples below, and in conjunction with accompanying drawing, technical scheme is described in further detail.In the description, same or analogous drawing reference numeral indicates same or analogous parts.Following it is intended to the explanation of embodiment of the present invention with reference to accompanying drawing the present general inventive concept of the present invention is made an explanation, and is not construed as a kind of restriction to the present invention.
It addition, in the following detailed description, for ease of explaining, elaborate that many concrete details are to provide the comprehensive understanding to present disclosure embodiment.It should be apparent, however, that one or more embodiments can also be implemented when not having these details.In other cases, known construction and device diagrammatically embodies to simplify accompanying drawing.
A general technical design according to the present invention, it is provided that a kind of length-measuring appliance, for measuring the length of cable assembly, described cable assembly includes a cable and two cable termination adnexaes at the two ends being connected to described cable.Wherein, described length-measuring appliance includes: the first survey tool, be suitable to flatly support described cable termination adnexa, for calibrating two the location position lines corresponding respectively with two cable termination adnexaes on cable, each location position line is regular length to the distance of the connecting hole of the external metal terminal of corresponding cable termination adnexa；With the second survey tool, be suitable to support the cable between two cable termination adnexaes, for measuring described cable length between two location position lines straightly.
Fig. 1 shows the schematic perspective view of a kind of typical cable assembly.As it is shown in figure 1, in the illustrated embodiment, cable assembly includes a cable 30 and first cable termination adnexa 10 and the second cable termination adnexa 20 at the two ends being connected to cable 30.
In the embodiment of an example of the present invention, a kind of measurement of length device for measuring the cable assembly shown in Fig. 1 is disclosed.This measurement apparatus mainly includes the first survey tool being suitable to demarcate the length of the first cable termination adnexa 10 and the second cable termination adnexa 20 and the second survey tool being suitable to measure the length of the cable 30 between the first cable termination adnexa 10 and the second cable termination adnexa 20.
Fig. 2 shows the schematic perspective view of the first survey tool of the length of the cable termination adnexa 10,20 for measuring the cable assembly in Fig. 1.Fig. 3 shows the first cable termination adnexa 10 of the cable assembly in Fig. 1 is horizontally supported at the schematic diagram on the first survey tool shown in Fig. 2.Fig. 5 shows the second cable termination adnexa 20 of the cable assembly in Fig. 1 is horizontally supported at the schematic diagram on the first survey tool shown in Fig. 2.
In the embodiment of an example of the present invention, as shown in Fig. 2, Fig. 3 and Fig. 5, first survey tool is suitable to flatly support cable termination adnexa 10,20, for calibrating two the location position lines 31,32 (referring to Fig. 7 and Fig. 8) respectively corresponding with two cable termination adnexaes 10,20 over the cable 30, and each location position line 31,32 is regular length L1 (referring to Fig. 7 and Fig. 8) to the distance of the connecting hole of the external metal terminal 12,22 of corresponding cable termination adnexa 10,20.
As shown in Fig. 2, Fig. 3 and Fig. 5, in the illustrated embodiment, the first survey tool specifically includes that pedestal 101, has a length direction Y；First support member 111, is arranged on one end of pedestal 101；With the second support member 121, be arranged on the other end of pedestal 101.Be provided with a vertical circular cone support column 112 at the top of the first support member 111, circular cone support column 112 is for inserting in the connecting hole of external metal terminal 12,22 of cable termination adnexa 10,20, in order to support the outboard end of cable termination adnexa 10,20.The top of the second support member 121 is provided with a V-arrangement support slot 122, is arranged in the cable 30 near the medial extremity of cable termination adnexa 10,20 and is supported on V-arrangement support slot 122.The height of at least one in first support member 111 and the second support member 121 can regulate, in order to makes the central axis maintenance level of the cable termination adnexa 10,20 being supported on the first and second support members 111,121.
As in figure 2 it is shown, in the embodiment of an example of the present invention, between the central axis 112a and the location limit 122a of V-arrangement support slot 122 of circular cone support column 112, the distance along the length direction Y of pedestal 101 is set equal to regular length L1.So, it becomes possible to guarantee that each location position line 31,32 is regular length L1 to the distance of the central axis 112a of the connecting hole of the external metal terminal 12,22 of corresponding cable termination adnexa 10,20.
In the embodiment of an example of the present invention, circular cone support column 112 is the separate part being removably mounted on the top of the first support member 111.So, after circular cone support column 112 weares and teares, it is possible to the circular cone support column 112 more renewed, or according to the change of the shape and size of the connecting hole of external metal terminal, suitable circular cone support column can be changed.
In the embodiment of an example of the present invention, as shown in Fig. 2, Fig. 3 and Fig. 5, the first survey tool also include being arranged on pedestal 101, for supporting the 3rd support member 131 and the 4th support member 141 of cable termination adnexa 10,20.3rd support member 131 and the 4th support member 141 are between the first support member 111 and the second support member 121.3rd support member 131 and the 4th support member 141 are configured to its height and can regulate and can move by Y along its length, in order to guarantee the central axis maintenance level of the cable termination adnexa 10,20 being supported on the first survey tool.By increasing by the 3rd support member 131 and the 4th support member 141, it is possible to be further ensured that whole cable termination adnexa 10,20 can be horizontally supported on the first survey tool.
In the embodiment of an example of the present invention, as shown in Fig. 2, Fig. 3 and Fig. 5, being respectively arranged with a V-arrangement support slot 132,142 on the top of the 3rd support member 131 and the 4th support member 141, the both sides of cable termination adnexa 10,20 are supported in the V-arrangement support slot 132,142 of the 3rd support member 131 and the 4th support member 141.
Fig. 4 shows the schematic diagram on the cable 30 of the first cable termination adnexa 10 that a positioning cap is sleeved on the cable assembly shown in Fig. 3, wherein, the primary importance calibration line 31 corresponding with the first cable termination adnexa 10 is drawn over the cable 30 along the edge 151a that demarcates of positioning cap 151；Fig. 6 shows the schematic diagram on the cable 30 of the second cable termination adnexa 20 that a positioning cap 151 is sleeved on the cable assembly shown in Fig. 5, wherein, the second position calibration line 32 corresponding with the second cable termination adnexa 20 is drawn over the cable 30 along the edge 151a that demarcates of positioning cap 151.
As shown in Figure 4 and Figure 6, in the embodiment of an example of the present invention, the first survey tool also includes being suitable to a semi-cylindrical shaped positioning cap 151 on suit cable 30；Positioning cap 151 has for the demarcation edge 151a with the location limit 122a conflict of the V-arrangement support slot 122 of the second support member 121；And location position line 31,32 (referring to Fig. 7 and Fig. 8) is drawn over the cable 30 along demarcating edge 151a.Note that positioning cap 151 is for only for ease of and draw location position line 31,32 on the outer surface of cable 30 with pen, it is not necessarily, it is also possible to directly draw location position line 31,32 on the outer surface of cable 30 along the location limit 122a of V-arrangement support slot 122.
In the illustrated embodiment, cable assembly can be connected electrically in cable assembly between pantograph and the transformator on high ferro, motor-car or subway, for transferring high voltage electricity.
In the embodiment of an example of the present invention, as in figure 2 it is shown, the pedestal 101 of the first survey tool can adopt light material to make, for instance, adopt aluminium section to make, so ensure that the flatness of pedestal 101, light weight, is convenient for carrying simultaneously.
Fig. 7 shows the schematic diagram drawing the cable assembly after the first and second location position lines 31,32 corresponding respectively with the first and second cable termination adnexaes 10,20 over the cable 30；With the cable 30 that Fig. 8 shows between by the first and second cable termination adnexaes 10,20 is placed on the schematic diagram in an elongated V-shaped groove 200.
In the embodiment of an example of the present invention, as shown in Figure 7 and Figure 8, the second survey tool includes an elongated V-shaped groove 200 and a length measuring ruler.As shown in Figure 8, after drawing the first and second location position lines 31,32 corresponding respectively with the first and second cable termination adnexaes 10,20 over the cable 30, cable 30 between two cable termination adnexaes 10,20 is placed in elongated V-shaped groove, in order to make cable 30 keep straight.Afterwards, with length measuring ruler, for instance, tape measure or ruler, it is possible to conveniently and accurately measure the length L2 of cable 30 between two location position lines 31,32.
Finally, the length L of whole cable assembly can be calculated according to equation below:
L=2*L1+L2 (1),
Wherein
L1 is the distance of Y along its length between the central axis 112a of circular cone support column 112 and the location limit 122a of V-arrangement support slot 122, and this is a length accurate, changeless.
The method describing the length for measuring cable assembly of the embodiment according to an example of the present invention below with reference to Fig. 1 to Fig. 8 in detail, this length measurement method comprises the following steps:
S100: cable termination adnexa 10,20 is horizontally supported on the first survey tool, and utilize the first survey tool to calibrate two the location position lines 31,32 corresponding respectively with two cable termination adnexaes 10,20 over the cable 30, wherein each location position line 31,32 is regular length L1 to the distance of the connecting hole of the external metal terminal 12,22 of corresponding cable termination adnexa 10,20；
S200: be supported on straight for the cable 30 between two cable termination adnexaes 10,20 on the second survey tool, and utilize the second survey tool to measure the cable 30 length L2 between two location position lines 31,32；With
S300: calculate the length of cable assembly based on equation below: L=2*L1+L2.
Embodiment according to an example of the present invention, the step S100 in preceding method may comprise steps of:
S110: the circular cone support column 112 on the first support member 111 is inserted in the connecting hole of external metal terminal 12,22 of cable termination adnexa 10,20；
S120: the cable 30 near inside cable termination adnexa 10,20 is supported on the V-arrangement support slot 122 of the second support member 121；
S130: regulate the height of at least one in the first support member 111 and the second support member 121, make the central axis level of cable termination adnexa 10,20；With
S140: limit, the location 122a along the V-arrangement support slot 122 of the second support member 121 draws location position line 31,32 over the cable 30.
The embodiment of another exemplary according to the present invention, the step S200 in preceding method may comprise steps of:
S210: the cable 30 between two cable termination adnexaes 10,20 is placed in elongated V-shaped groove, in order to make cable 30 keep straight；With
S220: for the length L2 between two location position lines 31,32 of the cable 30 that length measuring ruler measurement is placed in elongated V-shaped groove 200.
So, it becomes possible to accurately, convenient and measure the length of whole cable assembly efficiently.The length making cable assembly obtains effectively and is accurately controlled, and eliminates due to long or too short caused unnecessary the scrapping of the length of cable assembly.
It will be appreciated by those skilled in the art that, embodiment described above is all illustrative of, and those skilled in the art can make improvements, when the conflict in not recurring structure or principle of the structure described in various embodiments, independent assortment can be carried out.
Although describing the present invention in conjunction with accompanying drawing, but the embodiment disclosed in accompanying drawing is intended to the preferred embodiment for the present invention illustrative, and it is not intended that a kind of of the present invention is limited.
Although some embodiments of this present general inventive concept are shown and explanation, those skilled in the art will appreciate that, when without departing substantially from the principle of this present general inventive concept and spirit, can these embodiments being made a change, the scope of the present invention limits with claim and their equivalent.
It should be noted that word " including " is not excluded for other element or step, word "a" or "an" is not excluded for multiple.It addition, any element numbers of claim should not be construed as restriction the scope of the present invention.
Claims (20)
1. a length-measuring appliance, for measuring the length of cable assembly, described cable assembly includes a cable (30) and is connected to two cable termination adnexaes (10,20) at two ends of described cable (30),
It is characterized in that, described length-measuring appliance includes:
First survey tool, be suitable to flatly support described cable termination adnexa (10,20), for calibrating two the location position lines (31,32) corresponding respectively with two cable termination adnexaes (10,20) on cable (30), each location position line (31,32) is regular length L1 to the distance of the connecting hole of the external metal terminal (12,22) of corresponding cable termination adnexa (10,20)；With
Second survey tool, is suitable to support the cable (30) between two cable termination adnexaes (10,20) straightly, is used for the length L2 measuring described cable (30) between two location position lines (31,32).
2. length-measuring appliance according to claim 1, it is characterised in that described first survey tool includes:
Pedestal (101), has a length direction (Y)；
First support member (111), is arranged on one end of described pedestal (101)；With
Second support member (121), is arranged on the other end of described pedestal (101), wherein
A vertical circular cone support column (112) it is provided with at the top of the first support member (111), described circular cone support column (112) is used for inserting in the connecting hole of the external metal terminal (12,22) of described cable termination adnexa (10,20), in order to support the outboard end of cable termination adnexa (10,20)；
It is provided with a V-arrangement support slot (122) at the top of the second support member (121), is arranged in the cable (30) near the medial extremity of described cable termination adnexa (10,20) and is supported on described V-arrangement support slot (122)；And
The height of at least one in described first support member (111) and the second support member (121) can regulate, in order to makes the central axis of the cable termination adnexa (10,20) being supported on described first and second support members (111,121) keep level.
3. length-measuring appliance according to claim 2, it is characterised in that:
Between central axis (112a) and the limit, location (122a) of described V-arrangement support slot (122) of described circular cone support column (112), the distance along described length direction (Y) is set equal to described regular length L1.
4. the length-measuring appliance according to any one of claim 1-3, it is characterised in that described second survey tool includes:
One elongated V-shaped groove (200), the cable (30) between two cable termination adnexaes (10,20) is placed in described elongated V-shaped groove, in order to make described cable (30) keep straight；With
One length measuring ruler, for measuring the length L2 between two location position lines (31,32) of the cable (30) being placed in described elongated V-shaped groove (200).
5. length-measuring appliance according to claim 2, it is characterised in that:
Described circular cone support column (112) is the separate part being removably mounted on the top of the first support member (111).
6. length-measuring appliance according to claim 2, it is characterised in that:
Described first survey tool also includes being arranged on the 3rd support member (131) and the 4th support member (141) on described pedestal (101), that be used for supporting described cable termination adnexa (10,20)；
Described 3rd support member (131) and described 4th support member (141) are positioned between described first support member (111) and described second support member (121)；And
Described 3rd support member (131) and described 4th support member (141) are configured to its height and can regulate and can move along described length direction (Y), in order to guarantee that the central axis of the cable termination adnexa (10,20) being supported on described first survey tool keeps level.
7. length-measuring appliance according to claim 6, it is characterised in that:
Being respectively arranged with a V-arrangement support slot (132,142) on the top of described 3rd support member (131) and described 4th support member (141), the both sides of described cable termination adnexa (10,20) are supported in the V-arrangement support slot (132,142) of described 3rd support member (131) and described 4th support member (141).
8. length-measuring appliance according to claim 2, it is characterised in that:
Described first survey tool also includes the semi-cylindrical shaped positioning cap (151) being suitable to be set with on described cable (30)；
Described positioning cap (151) has the demarcation edge (151a) for conflicting with the limit, location (122a) of the V-arrangement support slot (122) of described second support member (121)；And
Described location position line (31,32) is drawn on described cable (30) along described demarcation edge (151a).
9. length-measuring appliance according to claim 1, it is characterised in that:
Described cable assembly is suitable between pantograph and the transformator being connected electrically on high ferro, motor-car or subway.
10. length-measuring appliance according to claim 1, it is characterised in that: the pedestal (101) of described first survey tool adopts aluminium section to make.
11. a length measurement method, for measuring the length L of cable assembly, described cable assembly includes a cable (30) and is connected to two cable termination adnexaes (10,20) at two ends of described cable (30), it is characterized in that, described length measurement method comprises the following steps:
S100: described cable termination adnexa (10,20) is horizontally supported on the first survey tool, and utilize the first survey tool to calibrate two the location position lines (31,32) corresponding respectively with two cable termination adnexaes (10,20) on cable (30), wherein each location position line (31,32) is regular length L1 to the distance of the connecting hole of the external metal terminal (12,22) of corresponding cable termination adnexa (10,20)；
S200: be supported on straight for the cable (30) between two cable termination adnexaes (10,20) on the second survey tool, and utilize the second survey tool to measure the described cable (30) length L2 between two location position lines (31,32)；With
S300: calculate the length of cable assembly based on equation below: L=2*L1+L2.
12. length measurement method according to claim 11, it is characterised in that described first survey tool includes:
Pedestal (101), has a length direction (Y)；
First support member (111), is arranged on one end of described pedestal (101)；With
Second support member (121), is arranged on the other end of described pedestal (101), wherein
A vertical circular cone support column (112) it is provided with at the top of the first support member (111), described circular cone support column (112) is used for inserting in the connecting hole of the external metal terminal (12,22) of described cable termination adnexa (10,20), in order to support the outboard end of cable termination adnexa (10,20)；
It is provided with a V-arrangement support slot (122) at the top of the second support member (121), is arranged in the cable (30) near the medial extremity of described cable termination adnexa (10,20) and is supported on described V-arrangement support slot (122)；And
The height of at least one in described first support member (111) and the second support member (121) can regulate, in order to makes the central axis of the cable termination adnexa (10,20) being supported on described first and second support members (111,121) keep level.
13. length measurement method according to claim 12, it is characterised in that:
Between central axis (112a) and the limit, location (122a) of described V-arrangement support slot (122) of described circular cone support column (112), the distance along described length direction (Y) is set equal to described regular length L1.
14. length measurement method according to claim 13, it is characterised in that described step S100 comprises the following steps:
S110: the circular cone support column (112) on described first support member (111) is inserted in the connecting hole of external metal terminal (12,22) of described cable termination adnexa (10,20)；
S120: the cable (30) near described cable termination adnexa (10,20) inner side is supported on the V-arrangement support slot (122) of described second support member (121)；
S130: regulate the height of at least one in described first support member (111) and the second support member (121), make the central axis level of described cable termination adnexa (10,20)；With
S140: the limit, location (122a) along the V-arrangement support slot (122) of described second support member (121) draws location position line (31,32) on described cable (30).
15. length measurement method according to claim 13, it is characterised in that described second survey tool includes an elongated V-shaped groove (200) and a length measuring ruler.
16. length measurement method according to claim 15, it is characterised in that described step S200 comprises the following steps:
S210: the cable (30) between two cable termination adnexaes (10,20) is placed in described elongated V-shaped groove, in order to make described cable (30) keep straight；With
S220: for the length L2 between two location position lines (31,32) of the cable (30) that length measuring ruler measurement is placed in described elongated V-shaped groove (200).
17. length measurement method according to claim 12, it is characterised in that:
Described circular cone support column (112) is the separate part being removably mounted on the top of the first support member (111).
18. length measurement method according to claim 12, it is characterised in that:
Described first survey tool also includes being arranged on the 3rd support member (131) and the 4th support member (141) on described pedestal (101), that be used for supporting described cable termination adnexa (10,20)；
Described 3rd support member (131) and described 4th support member (141) are positioned between described first support member (111) and described second support member (121)；And
Described 3rd support member (131) and described 4th support member (141) are configured to its height and can regulate and can move along described length direction (Y), in order to guarantee that the central axis of the cable termination adnexa (10,20) being supported on described first survey tool keeps level.
19. length measurement method according to claim 18, it is characterised in that:
Being respectively arranged with a V-arrangement support slot (132,142) on the top of described 3rd support member (131) and described 4th support member (141), the both sides of described cable termination adnexa (10,20) are supported in the V-arrangement support slot (132,142) of described 3rd support member (131) and described 4th support member (141).
20. length measurement method according to claim 12, it is characterised in that:
Described first survey tool also includes the semi-cylindrical shaped positioning cap (151) being suitable to be set with on described cable (30)；
Described positioning cap (151) has the demarcation edge (151a) for conflicting with the limit, location (122a) of the V-arrangement support slot (122) of described second support member (121)；And
Described location position line (31,32) is drawn on described cable (30) along described demarcation edge (151a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410795008.1A CN105783644A (en) | 2014-12-18 | 2014-12-18 | Length measuring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410795008.1A CN105783644A (en) | 2014-12-18 | 2014-12-18 | Length measuring device and method |
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| Publication Number | Publication Date |
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| CN105783644A true CN105783644A (en) | 2016-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410795008.1A Pending CN105783644A (en) | 2014-12-18 | 2014-12-18 | Length measuring device and method |
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| Country | Link |
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| CN (1) | CN105783644A (en) |
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