CN112757969A - Contact line level adjustment tool and method - Google Patents
Contact line level adjustment tool and method Download PDFInfo
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- CN112757969A CN112757969A CN202110142073.4A CN202110142073A CN112757969A CN 112757969 A CN112757969 A CN 112757969A CN 202110142073 A CN202110142073 A CN 202110142073A CN 112757969 A CN112757969 A CN 112757969A
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- contact line
- sleeve
- threaded rod
- wheel
- pawl
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/28—Manufacturing or repairing trolley lines
Abstract
The invention relates to a contact line horizontal adjusting tool and a method. The contact line horizontal adjustment tool comprises a telescopic rod body and at least two movable wheels, wherein the at least two movable wheels are respectively arranged at two ends of the telescopic rod body. The moving wheel is provided with a groove along the circumferential direction, and the groove wall of the moving wheel is respectively used for being clamped on the carrier cable and the contact line. During operation, the structure height of the contact line to be adjusted is firstly confirmed. According to the structure height of the contact line, the telescopic rod body is adjusted to a proper length, then the movable wheels at the two ends of the telescopic rod body are respectively clamped on the carrier cable and the contact line and move along the extension direction of the contact line in the same span. During the movement, the inspector observes whether the contact wire is in a horizontal state. If the contact line is not in the horizontal state, the length of the hanger is adjusted until the contact line is adjusted to the horizontal state. So, through this contact wire horizontal adjustment instrument auxiliary adjustment contact wire, effectively prevent the error that appears among the operation process, improve the construction quality and the efficiency of contact net.
Description
Technical Field
The invention relates to the technical field of contact line adjustment, in particular to a contact line horizontal adjustment tool and a contact line horizontal adjustment method.
Background
The contact line is an important component in an electrified railway contact net, and the horizontal state of the contact line needs to be checked in daily maintenance work, so that normal running of a vehicle can be ensured. In the traditional process of horizontal adjustment of the contact line, the operation is finished by visual inspection and experience operation of operators, and because the service level of each operator is different, the error rate after the horizontal adjustment of the contact line is very high, the formation of hard spots on the contact line is easy to cause, and the current taking quality of an electric locomotive and the service life of a pantograph are influenced.
Disclosure of Invention
Therefore, a contact line horizontal adjusting tool and a contact line horizontal adjusting method are needed to be provided, so that errors in the operation process are prevented, and the construction quality of a contact line is improved.
The contact line horizontal adjustment tool comprises a telescopic rod body and at least two movable wheels, wherein the at least two movable wheels are arranged at two ends of the telescopic rod body respectively, the movable wheels are provided with grooves along the circumferential direction of the movable wheels, and the movable wheels at two ends of the telescopic rod body are used for being clamped on a carrier cable and a contact line through the grooves respectively and move along the extending direction of the contact line in the same span.
In one embodiment, the telescopic rod body comprises a sleeve and a threaded rod, wherein threads are arranged in the sleeve, and the threaded rod is arranged in the sleeve and is matched with the threads of the sleeve.
In one embodiment, the contact line leveling tool further comprises a fastener, a mounting hole is formed in a position, corresponding to the threaded rod, of the sleeve, and the fastener is inserted into the mounting hole and abuts against the surface of the threaded rod.
In one embodiment, the contact line leveling tool further comprises a ratchet wheel, a pawl and a mounting piece, wherein the mounting piece is provided with a mounting groove, the ratchet wheel is rotatably arranged in the mounting groove, and the pawl is movably arranged in the mounting groove; the pawl comprises a first pawl and a second pawl, and the first pawl and the second pawl can be abutted against the ratchet wheel and drive the ratchet wheel to rotate; the sleeve comprises a first sleeve and a second sleeve, and the first sleeve is connected with the second sleeve through the ratchet wheel; the threaded rod comprises a first threaded rod and a second threaded rod, and the first threaded rod is arranged at one end, far away from the ratchet wheel, of the first sleeve and is in threaded fit with the first sleeve; the second threaded rod is arranged at one end, far away from the ratchet wheel, of the second sleeve and is in threaded fit with the second sleeve.
In one embodiment, the outer surfaces of the first sleeve and the second sleeve are provided with first scale marks, zero scale marks of the first scale marks are located on the ratchet wheel, scale values located on the first sleeve become larger gradually along the length direction of the first sleeve, and scale values located on the second sleeve become larger gradually along the length direction of the second sleeve; the outer surfaces of the first threaded rod and the second threaded rod are respectively provided with a second scale mark, the zero scale of the first threaded rod is positioned at the end part of the first threaded rod, which is far away from the first sleeve, and the scale value positioned on the first threaded rod is gradually increased along the length direction of the first threaded rod; the zero scale of the second threaded rod is located at the end part, far away from the second sleeve, of the second threaded rod, and the scale value of the second threaded rod is gradually increased along the length direction of the second threaded rod.
In one embodiment, the contact line leveling tool further comprises a handle detachably disposed at an end of the mounting member remote from the groove.
In one embodiment, the handle comprises at least two handle bodies, wherein the end part of one handle body is embedded in the other handle body, one end of one handle body is provided with a sliding groove, and the inner side wall of the other handle body is provided with a plurality of limiting grooves at intervals along the axial direction; the contact line horizontal adjustment tool further comprises at least two magnetic attraction pieces and at least two magnetic limiting pieces, the limiting pieces are slidably arranged in the sliding groove, one ends of the two limiting pieces with the same polarity are oppositely arranged, and the magnetic attraction pieces are arranged between the two adjacent limiting pieces.
In one embodiment, the movable wheel further includes a wheel body, a bearing, and a wheel shaft, the groove is disposed along a circumferential direction of the wheel body, the bearing is sleeved on the wheel shaft, and the wheel body is disposed at an end portion of the retractable rod body through the bearing and the wheel shaft.
In one embodiment, the retractable rod and the movable wheel are made of aluminum alloy.
A contact line leveling method adopts the contact line leveling tool, and comprises the following steps:
confirming the structure height of the contact line;
adjusting the length of the telescopic rod body according to the structure height of the contact line;
respectively clamping movable wheels at two ends of a telescopic rod body on a carrier cable and a contact line, and moving the movable wheels along the extension direction of the contact line in the same span;
observing the horizontal state of the contact line, and selectively adjusting the length of the hanger.
In the above-mentioned contact line level adjustment tool and method, during operation, the structural height of the contact line to be adjusted is firstly confirmed by technical data. According to the structure height of the contact line, the telescopic rod body is adjusted to a proper length, then the movable wheels at the two ends of the telescopic rod body are respectively clamped at the upper part of the carrier cable and the lower part of the contact line, and the movable wheels move along the extension direction of the contact line in the same span. During the movement, the inspector observes whether the contact wire is in a horizontal state. If the contact line is not in the horizontal state, the length of the hanger is adjusted until the contact line is adjusted to the horizontal state. So, through this contact wire horizontal adjustment instrument auxiliary adjustment contact wire, effectively prevent the error that appears among the operation process, improve the construction quality and the efficiency of contact net.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention.
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a contact line leveling tool according to one embodiment of the present invention;
FIG. 2 is a schematic view of the movable wheel of the contact line leveling tool shown in FIG. 1;
FIG. 3 is a first schematic diagram of a portion of the contact line leveling tool of FIG. 1;
FIG. 4 is a schematic view of the ratchet and pawl shown in FIG. 3;
FIG. 5 is a second schematic view of a portion of the contact line leveling tool shown in FIG. 1;
FIG. 6 is a schematic diagram of the contact line leveling tool of FIG. 1 in use;
figure 7 is a flow chart of a contact line leveling method according to one embodiment of the present invention.
Description of the drawings:
10. a telescopic rod body; 11. a first sleeve; 12. a first threaded rod; 13. a second sleeve; 14. a second threaded rod; 20. a moving wheel; 21. a wheel body; 211. a groove; 22. a bearing; 23. a wheel axle; 30. a mounting member; 31. a ratchet wheel; 32. a pawl; 321. a first pawl; 322. a second pawl; 40. a handle; 50. a catenary cable; 60. contact wires.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Referring to fig. 1, fig. 2 and fig. 6, fig. 1 shows a schematic structural diagram of a contact line leveling tool according to an embodiment of the present invention, fig. 2 shows a schematic structural diagram of a moving wheel of the contact line leveling tool shown in fig. 1, and fig. 6 shows a schematic structural diagram of the contact line leveling tool shown in fig. 1 in a use state. The contact line leveling tool according to an embodiment of the present invention includes a retractable rod 10 and a movable wheel 20. The number of the moving wheels 20 is at least two, and the at least two moving wheels 20 are respectively arranged at two ends of the telescopic rod 10. The moving wheel 20 is provided with a groove 211 along the circumference, and the moving wheels 20 at the two ends of the telescopic rod body 10 are respectively clamped on the carrier cable 50 and the contact wire 60 through the grooves 211 and can move along the extending direction of the contact wire 60 in the same span.
In the operation of the above-mentioned contact line leveling tool, the height of the contact line 60 to be adjusted is first determined by the technical data. The telescopic rod body 10 is adjusted to a proper length according to the structural height of the contact wire 60, and then the moving wheels 20 at the two ends of the telescopic rod body 10 are respectively clamped at the upper part of the carrier cable 50 and the lower part of the contact wire 60 and move along the extending direction of the contact wire 60 in the same span. During the movement, the inspector observes whether contact wire 60 is in a horizontal state. If contact line 60 is not level, the length of the dropper is adjusted until contact line 60 is level. So, through this contact wire horizontal adjustment instrument auxiliary adjustment contact wire 60, effectively prevent the error that appears in the operation process, improve the construction quality and the efficiency of contact net.
In one embodiment, referring to FIG. 5, FIG. 5 illustrates a second partial schematic view of the contact line leveling tool of FIG. 1. The outer surface of the telescopic rod body 10 is provided with scales. Therefore, after the inspector confirms the structural height of the contact wire 60 to be adjusted according to technical data, the length of the telescopic rod 10 is adjusted, and the scales are observed at the same time until the length of the telescopic rod 10 is adjusted to be equal to the structural height of the contact wire 60 to be adjusted, so that the accuracy and the reliability of the horizontal state inspection of the contact wire are ensured.
In one embodiment, the retractable shaft 10 includes a sleeve and a threaded rod. The sleeve is internally provided with threads, and the threaded rod is arranged in the sleeve and is matched with the threads of the sleeve. Therefore, the length of the telescopic rod body 10 can be adjusted by rotating the sleeve or the threaded rod, and the telescopic rod is simple in structure and convenient to use.
Further, the contact line leveling tool further comprises a fastener. The sleeve is provided with a mounting hole matched with a fastener at a position corresponding to the threaded rod, and the fastener is inserted in the mounting hole and abuts against the surface of the threaded rod. Wherein, the fastener is screw, bolt, etc. In operation, an inspector unloads the fastener from the sleeve, which adjusts the length of the telescopic rod body 10. After the telescopic rod body 10 is adjusted to a proper length, the fastening piece is inserted into the mounting hole, and is screwed up to enable the fastening piece to abut against the surface of the threaded rod, so that the length of the telescopic rod body 10 caused by relative rotation of the threaded rod and the sleeve in the horizontal adjustment process of the contact line 60 can be prevented from changing, and the accuracy and the reliability of the horizontal adjustment of the contact line 60 can be effectively guaranteed.
Specifically to in this embodiment, the threaded rod is equipped with two, and telescopic both ends are located respectively to two threaded rods to with the screw-thread fit at sleeve both ends, two at least removal wheels 20 are located two threaded rods respectively and are kept away from telescopic tip. The two ends of the sleeve are respectively provided with a mounting hole, and a fastener is inserted in the mounting hole.
In one embodiment, referring to fig. 1, 3 and 4, fig. 3 shows a schematic view of a portion of the contact line leveling tool shown in fig. 1, and fig. 4 shows a schematic view of the ratchet and pawl shown in fig. 3. The contact line leveling tool also includes a ratchet 31, a pawl 32, and a mount 30. The mounting member 30 is provided with a mounting groove in which the ratchet 31 is rotatably provided and the pawl 32 is movably provided. The pawls 32 include a first pawl 321 and a second pawl 322, and the first pawl 321 and the second pawl 322 can abut against the ratchet wheel 31 and drive the ratchet wheel 31 to rotate clockwise or counterclockwise. The sleeve comprises a first sleeve 11 and a second sleeve 13, and the first sleeve 11 is connected with the second sleeve 13 through the ratchet 31. The threaded rod comprises a first threaded rod 12 and a second threaded rod 14, the first threaded rod 12 is arranged at one end, away from the ratchet wheel 31, of the first sleeve 11 and is in threaded fit with the first sleeve 11; the second threaded rod 14 is arranged at one end of the second sleeve 13 far away from the ratchet wheel 31 and is in threaded fit with the second sleeve 13.
Referring to fig. 1, 3 and 4, when the length of the retractable rod 10 needs to be adjusted, the first pawl 321 is pressed, so that the first pawl 321 abuts against the ratchet 31. The first threaded rod 12 and the second threaded rod 14 are kept still, the mounting part 30 is swung left and right, the first pawl 321 toggles the ratchet wheel 31 to rotate clockwise, and then the first sleeve 11 and the second sleeve 13 are driven to rotate, so that the length of the telescopic rod body 10 is increased. The second pawl 322 is pressed to make the second pawl 322 abut against the ratchet wheel 31. The first threaded rod 12 and the second threaded rod 14 are kept still, the mounting part 30 swings left and right, the second ratchet wheel 31 stirs the ratchet wheel 31 to rotate anticlockwise, and then the first sleeve 11 and the second sleeve 13 are driven to rotate, so that the length of the telescopic rod body 10 is shortened. Therefore, the length of the retractable rod 10 can be adjusted conveniently and rapidly by the cooperation of the ratchet 31, the first pawl 321 and the second pawl 322.
In one embodiment, referring to fig. 1 and 5, the outer surfaces of the first sleeve 11 and the second sleeve 13 are provided with first scale marks, a zero scale of the first scale mark is located on the ratchet 31, a scale value located on the first sleeve 11 is gradually increased along the length direction of the first sleeve 11, and a scale value located on the second sleeve 13 is gradually increased along the length direction of the second sleeve 13. The surface of first threaded rod 12 and second threaded rod 14 all is equipped with the second scale mark, the zero scale of second scale mark is located on first threaded rod 12 keeps away from the tip of first sleeve 11, is located the scale value of first threaded rod 12 is followed the length direction of first threaded rod 12 grow gradually. The zero scale of the second scale mark on the second threaded rod 14 is located at the end part of the second threaded rod 14 far away from the second sleeve 13, and the scale value located on the second threaded rod 14 is gradually increased along the length direction of the second threaded rod 14. So, the inspection personnel confirm according to technical data to wait to adjust the structure height back of contact wire 60, adjust scalable body of rod 10 length, observe the scale simultaneously, until with the length adjustment of scalable body of rod 10 to equal with the structure height of waiting to adjust contact wire 60, adjust conveniently, be favorable to improving contact net construction quality.
In one embodiment, referring to fig. 1, the contact line leveling tool further comprises a handle 40, wherein the handle 40 is detachably disposed at an end of the mounting member 30 away from the recess 211. Specifically, the end of the mounting member 30 remote from the recess 211 is provided with a mounting hole in which the handle 40 is disposed. When the telescopic rod body 10 is used, the handle 40 is installed on the installation part 30, the handle 40 is swung left and right, the pawl 32 drives the ratchet wheel 31 to rotate, and then the sleeve is driven to rotate, so that the length of the telescopic rod body 10 is adjusted. Thus, the handle 40 is provided to facilitate the operation. After the contact wire 60 is horizontally adjusted, the handle 40 is removed from the mounting member 30, so that the size of the contact wire horizontal adjustment tool is reduced, and the contact wire horizontal adjustment tool is convenient to store and carry.
Further, the handle 40 includes at least two handle bodies, wherein an end of one of the handle bodies is embedded in the other handle body. One end of one of the handle bodies is provided with a sliding groove, and the inner side wall of the other handle body is provided with a plurality of limiting grooves at intervals along the axial direction. The contact line horizontal adjustment tool further comprises at least two magnetic attraction pieces and at least two magnetic limiting pieces, the limiting pieces are slidably arranged in the sliding groove, one ends of the two limiting pieces with the same polarity are oppositely arranged, and the magnetic attraction pieces are arranged between the two adjacent limiting pieces. It should be noted that, when the magnetic attraction piece is not powered on, repulsion exists between the limiting pieces, so that the limiting pieces can be clamped in the limiting grooves, and the two adjacent handle bodies can be kept relatively immovable. When the piece circular telegram is inhaled to magnetism, the piece just can produce magnetic attraction, and under the effect of this magnetic attraction, the locating part moves to one side that is close to the piece of inhaling magnetism, and the locating part just withdraws from the spacing groove like this, so alright according to the length of user demand adjustment handle 40. Of course, in other embodiments, two adjacent handles may be connected by a screw, for example, the end of the handle is provided with a threaded section, so that the handle 40 can be adjusted telescopically.
Furthermore, the magnetic part is U-shaped, one side of the magnetic part is positioned in the chute, and the other side is positioned outside the chute. It should be noted that one end of the U-shaped magnetic attraction piece with stronger magnetism faces the limiting piece respectively. Because the piece is inhaled to magnetism is the U font to the both sides of inhaling the piece are located the spout inside and outside respectively, can reduce two adjacent electromagnetic interference of inhaling between the piece like this.
In one embodiment, referring to fig. 1 and 2, the moving wheel 20 further includes a wheel body 21, a bearing 22 and an axle 23, the groove 211 is disposed along a circumferential direction of the wheel body 21, and the wheel body 21 is disposed at an end of the retractable rod 10 through the bearing 22 and the axle 23. Specifically, the wheel body 21 has a mounting hole at the center thereof, and the bearing 22 is sleeved on the outer surface of the wheel shaft 23 and inserted into the mounting hole. Thus, in the process of horizontally adjusting the contact wire 60, the carrier cable 50 and the contact wire 60 are respectively clamped in the grooves 211 of the wheel bodies 21 at the two ends of the telescopic rod body 10, and the movable wheel 20 moves along the extending direction of the contact wire 60 in the same span, so that the horizontal state of the contact wire 60 can be conveniently checked and adjusted.
In one embodiment, the retractable rod 10 and the moving wheel 20 are made of aluminum alloy. Thus, the contact line horizontal adjustment tool is light in weight, light in weight and convenient for horizontal adjustment of the contact line 60. Of course, in other embodiments, other light materials can be used for the retractable rod 10 and the moving wheel 20.
Referring to fig. 6 and 7, a method for leveling a contact wire 60 according to an embodiment of the present invention employs any of the contact wire leveling tools described above. The method for adjusting the contact line 60 horizontally comprises the following steps:
s100: identifying the structural height of contact line 60;
s200: according to the structure height of the contact line 60, the length of the telescopic rod body 10 is adjusted;
s300: respectively clamping the movable wheels 20 at two ends of the telescopic rod body 10 on the carrier cable 50 and the contact line 60, and moving along the extension direction of the contact line 60 in the same span;
s400: observing the horizontal state of contact line 60, the length of the hanger is selectively adjusted.
In the above-mentioned method for adjusting the level of the contact line 60, the height of the contact line 60 to be adjusted is determined by the technical data. The telescopic rod body 10 is adjusted to a proper length according to the structural height of the contact wire 60, and then the moving wheels 20 at the two ends of the telescopic rod body 10 are respectively clamped at the upper part of the carrier cable 50 and the lower part of the contact wire 60 and move along the extending direction of the contact wire 60 in the same span. During the movement, the inspector observes whether contact wire 60 is in a horizontal state. If contact line 60 is not level, the length of the dropper is adjusted until contact line 60 is level. So, through this contact wire horizontal adjustment instrument auxiliary adjustment contact wire 60, effectively prevent the error that appears in the operation process, improve the construction quality and the efficiency of contact net.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplification of the description, but not for convenience of description
The device or element so referred to must be in a particular orientation, constructed and operated in a particular orientation and therefore should not be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The contact line horizontal adjustment tool is characterized by comprising a telescopic rod body and at least two movable wheels, wherein the at least two movable wheels are arranged at two ends of the telescopic rod body respectively, the movable wheels are provided with grooves along the circumferential direction of the movable wheels, and the movable wheels at two ends of the telescopic rod body are used for being clamped on a carrier cable and a contact line respectively through the grooves and can move along the extension direction of the contact line in the same span.
2. The contact line leveling tool of claim 1, wherein the telescoping rod body comprises a sleeve having threads disposed therein and a threaded rod disposed within the sleeve and engaged with the threads of the sleeve.
3. The contact line leveling tool of claim 2, further comprising a fastener, wherein the sleeve is provided with a mounting hole corresponding to the threaded rod, and the fastener is inserted into the mounting hole and abuts against the surface of the threaded rod.
4. The contact line leveling tool of claim 2 or 3, further comprising a ratchet, a pawl, and a mounting member, wherein the mounting member is provided with a mounting slot, the ratchet is rotatably disposed in the mounting slot, and the pawl is movably disposed in the mounting slot; the pawl comprises a first pawl and a second pawl, and the first pawl and the second pawl can be abutted against the ratchet wheel and drive the ratchet wheel to rotate;
the sleeve comprises a first sleeve and a second sleeve, and the first sleeve is connected with the second sleeve through the ratchet wheel; the threaded rod comprises a first threaded rod and a second threaded rod, and the first threaded rod is arranged at one end, far away from the ratchet wheel, of the first sleeve and is in threaded fit with the first sleeve; the second threaded rod is arranged at one end, far away from the ratchet wheel, of the second sleeve and is in threaded fit with the second sleeve.
5. The contact line leveling tool of claim 4, wherein the outer surfaces of the first sleeve and the second sleeve are provided with first graduation marks, a zero graduation of the first graduation marks is located on the ratchet wheel, a graduation value located on the first sleeve is gradually increased along the length direction of the first sleeve, and a graduation value located on the second sleeve is gradually increased along the length direction of the second sleeve;
the outer surfaces of the first threaded rod and the second threaded rod are respectively provided with a second scale mark, the zero scale of the first threaded rod is positioned at the end part of the first threaded rod, which is far away from the first sleeve, and the scale value positioned on the first threaded rod is gradually increased along the length direction of the first threaded rod; the zero scale of the second threaded rod is located at the end part, far away from the second sleeve, of the second threaded rod, and the scale value of the second threaded rod is gradually increased along the length direction of the second threaded rod.
6. The contact line leveling tool of claim 4, further comprising a handle removably disposed at an end of the mounting member distal from the groove.
7. The contact line leveling tool of claim 6, wherein the handle comprises at least two handle bodies, wherein one end of one handle body is embedded in the other handle body, one end of one handle body is provided with a sliding groove, and the inner side wall of the other handle body is provided with a plurality of limiting grooves at intervals along the axial direction; the contact line horizontal adjustment tool further comprises at least two magnetic attraction pieces and at least two magnetic limiting pieces, the limiting pieces are slidably arranged in the sliding groove, one ends of the two limiting pieces with the same polarity are oppositely arranged, and the magnetic attraction pieces are arranged between the two adjacent limiting pieces.
8. The contact line leveling tool of any one of claims 1 to 3, wherein the movable wheel further comprises a wheel body, a bearing, and a wheel shaft, the groove is disposed along a circumferential direction of the wheel body, the bearing is sleeved on the wheel shaft, and the wheel body is disposed at an end of the retractable rod body through the bearing and the wheel shaft.
9. The contact line leveling tool of any one of claims 1-3, wherein the retractable rod and the movable wheel are made of aluminum alloy.
10. A contact line leveling method using the contact line leveling tool of any one of claims 1 to 9, comprising the steps of:
confirming the structure height of the contact line;
adjusting the length of the telescopic rod body according to the structure height of the contact line;
respectively clamping movable wheels at two ends of a telescopic rod body on a carrier cable and a contact line, and moving the movable wheels along the extension direction of the contact line in the same span;
observing the horizontal state of the contact line, and selectively adjusting the length of the hanger.
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| CN202110142073.4A CN112757969B (en) | 2021-02-02 | 2021-02-02 | Contact line horizontal adjusting tool |
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|---|---|---|---|
| CN202110142073.4A CN112757969B (en) | 2021-02-02 | 2021-02-02 | Contact line horizontal adjusting tool |
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| CN112757969B CN112757969B (en) | 2022-11-11 |
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| CN204382187U (en) * | 2015-01-16 | 2015-06-10 | 成都地铁运营有限公司 | A kind of contact net inclined cantilever insulator replacement tool |
| CN206186827U (en) * | 2016-09-23 | 2017-05-24 | 上海地铁维护保障有限公司 | Dropper is changed and is suspended ware in midair |
| CN106696767A (en) * | 2016-12-03 | 2017-05-24 | 王晓安 | Tool special for overhauling of electrification railway contact net |
| CN108909543A (en) * | 2018-08-14 | 2018-11-30 | 赵忠鹏 | A kind of section insulator inspection tune tool |
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| CN209776225U (en) * | 2019-03-06 | 2019-12-13 | 郭东升 | Contact net dropper adjustment changes auxiliary device |
| CN210000172U (en) * | 2019-06-10 | 2020-01-31 | 王涛 | Special tool for replacing and adjusting dropper |
| CN111114393A (en) * | 2020-01-21 | 2020-05-08 | 张荣坚 | Automatic balance adjusting device for dropper |
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| CN212098525U (en) * | 2020-04-17 | 2020-12-08 | 中铁电气化局集团西安电气化工程有限公司 | Special tool for butt joint and installation of bus bars |
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| CN203495850U (en) * | 2013-08-23 | 2014-03-26 | 中国石油化工股份有限公司 | Wellhead detachment auxiliary tool |
| CN204382187U (en) * | 2015-01-16 | 2015-06-10 | 成都地铁运营有限公司 | A kind of contact net inclined cantilever insulator replacement tool |
| CN206186827U (en) * | 2016-09-23 | 2017-05-24 | 上海地铁维护保障有限公司 | Dropper is changed and is suspended ware in midair |
| CN106696767A (en) * | 2016-12-03 | 2017-05-24 | 王晓安 | Tool special for overhauling of electrification railway contact net |
| CN208393169U (en) * | 2018-03-29 | 2019-01-18 | 大秦铁路股份有限公司太原供电段 | A kind of railway contact line dropper |
| CN208180816U (en) * | 2018-04-26 | 2018-12-04 | 中铁电气化局集团有限公司沈阳电气化工程分公司 | Contact net adjusts tool |
| CN108909543A (en) * | 2018-08-14 | 2018-11-30 | 赵忠鹏 | A kind of section insulator inspection tune tool |
| CN209776225U (en) * | 2019-03-06 | 2019-12-13 | 郭东升 | Contact net dropper adjustment changes auxiliary device |
| CN210000172U (en) * | 2019-06-10 | 2020-01-31 | 王涛 | Special tool for replacing and adjusting dropper |
| CN211075615U (en) * | 2019-12-24 | 2020-07-24 | 邱黎 | Electrified contact net tool dropper |
| CN111114393A (en) * | 2020-01-21 | 2020-05-08 | 张荣坚 | Automatic balance adjusting device for dropper |
| CN212098525U (en) * | 2020-04-17 | 2020-12-08 | 中铁电气化局集团西安电气化工程有限公司 | Special tool for butt joint and installation of bus bars |
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