CN212137112U - Current collector recovery tool - Google Patents
Current collector recovery tool Download PDFInfo
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- CN212137112U CN212137112U CN202020830943.8U CN202020830943U CN212137112U CN 212137112 U CN212137112 U CN 212137112U CN 202020830943 U CN202020830943 U CN 202020830943U CN 212137112 U CN212137112 U CN 212137112U
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Abstract
The utility model belongs to the technical field of distribution automation, and provides a current collector recovery tool, which comprises a current collector, wherein the current collector comprises a main shell, a first caliper shell and a limiting part, wherein the first caliper shell and the limiting part are sequentially connected; the second caliper shell comprises a jaw part and a clamping part which are connected with each other, the jaw part is hinged to the main shell, the jaw part, the limiting part and the first caliper shell are sequentially arranged along an annular path, one end of the wire pressing plate is hinged to the first caliper shell, and the clamping part and the wire pressing plate are both positioned in a space enclosed by the jaw part, the limiting part and the first caliper shell; the torsional spring is sleeved on the rotating shaft of the wire pressing plate, one acting end of the torsional spring acts on the wire pressing plate, and the other acting end of the torsional spring acts on the first caliper shell; the Rogowski coil is sequentially arranged in the jaw part, the limiting part and the first caliper shell along the annular path. Through above-mentioned technical scheme, the problem that the middling pressure line loss monitoring degree of difficulty is big among the prior art has been solved.
Description
Technical Field
The utility model belongs to the technical field of distribution automation, a current collector retrieves instrument is related to.
Background
The reasons for causing medium-voltage line loss are many, electricity stealing is an important reason for causing the line loss, and the medium-voltage line loss is easy to be abnormally and suddenly increased as long as someone steals electricity and the special-purpose electricity stealing amount is large under the general condition.
At present, electricity stealing is difficult to solve, the electricity stealing is often a 'cat mouse catching' game or a 'wandering war' mode, manual routine inspection is unsuccessful, conversely, electricity stealing components can be caused to be more wild and unscrupulous, the excessive air flames of the electricity stealing components are increased, the trouble of solving the problems is unconscious, and the difficulty of solving is very high.
In addition, the potential danger of the transformer used in excess capacity is large, and the loss of electric quantity is large. Therefore, the medium-voltage line load needs to be monitored, a current collector is a common device in monitoring, and at present, the current collector is inconvenient to hang on an overhead line and needs to consume large manpower.
Disclosure of Invention
The utility model provides an instrument is retrieved to current collector has solved among the prior art current collector and has articulated inconvenient problem on the overhead line.
The technical scheme of the utility model is realized like this: the current collector comprises a clamping piece, a plug hole is formed in the clamping piece, a bottom guide surface is arranged on the bottom surface of the clamping piece, a side guide surface is arranged on the side surface of the clamping piece, and a current collector recycling tool comprises
A housing, wherein a groove is arranged in the housing, the clamping piece is clamped into the groove along a first direction, a through hole is arranged on the side wall of the groove, the axial direction of the through hole is intersected with the first direction,
one end of the clamping column is arranged in the through hole in an axial moving way, the other end of the clamping column is positioned outside the through hole,
a clamping piece, one end of which is sleeved on the clamping column, the other end of which extends into the groove, the end surface of one end of the clamping piece, which is positioned in the groove, is obliquely crossed with the axial direction of the clamping piece,
the spring is sleeved on the outer side of the clamping column, the through hole is a step hole and comprises a first hole and a second hole which are sequentially communicated, the first hole is positioned on the outer side of the second hole, the diameter of the first hole is smaller than that of the second hole, a blocking part is arranged between the first hole and the second hole,
the spring is located in the second hole, and the spring is clamped between the clamping piece and the blocking part.
Further, the bottom guide surface is a convex spherical surface or an inclined surface, and the side guide surface is a convex spherical surface or an inclined surface.
Furthermore, the end face of the clamping piece, which is positioned at one end in the groove, is a convex spherical surface, and in the cross section circle of the end face, the plane where the largest diameter is located is obliquely crossed with the axial direction of the clamping piece.
Further, also comprises
The connecting piece sets up the casing outside for be connected with the telescopic link, the one end setting of connecting piece is in the casing outside, the other end is provided with the internal thread.
Further, also comprises
And the rotary switch is sleeved at one end of the clamping column and is positioned at the outer side of the through hole.
Further, also comprises
The nut, the chucking post is located the one end in the through-hole outside is provided with the screw thread, the nut passes through screw thread locking and is in on the chucking post, the nut is located rotary switch's the outside.
Further, an opening is formed in the shell, the clamping piece is clamped into the groove through the opening, and the cross-sectional area of the opening is gradually reduced according to the direction from the end portion of the shell to the center.
The utility model discloses a theory of operation and beneficial effect do:
the utility model discloses retrieve the instrument and can realize with current collector's automatic connection and throw off, moreover as required, retrieve being connected between instrument and the current collector and can be locked, the user only needs to operate the recoverer subaerial, can realize hanging on the overhead line of current collector and throw off, is favorable to using manpower sparingly.
In the non-locking state, the connection process of the current collector and the recovery tool is as follows: rotating one end of the clamping column positioned at the outer side of the through hole to enable the end surface of the clamping piece positioned in the groove to face the bottom of the groove, as shown in figure 4; then the clamping piece of the current collector is aligned with the groove and pushed in, in the moving process, the side guide surface and the bottom guide surface of the clamping piece are sequentially contacted with the end surface of the clamping piece, in the moving process, the clamping piece is gradually pressed towards the outer side direction of the through hole by the clamping piece, the clamping piece is gradually clamped into the groove until the clamping piece is clamped into the inserting hole of the inner clamping piece, at the moment, a 'click' sound can be heard, the clamping piece and the clamping piece are indicated to be connected, and the current collector is connected with a recycling tool.
In the non-locking state, the disengagement process of the current collector and the recovery tool specifically comprises the following steps: the recovery tool is pulled along the opposite direction of the first direction, the first direction is the depth direction of the groove, when the resistance of the clamping piece to the clamping piece is overcome by the pulling force, the bottom guide surface of the clamping piece moves along the end surface of the clamping piece, the clamping piece gradually moves out of the groove, an obvious 'click' sound can be heard, and the recovery tool is separated from the current collector.
In the locking state, the connection process of the current collector and the recovery tool is specifically as follows: rotating one end of the clamping column positioned at the outer side of the through hole to enable the end surface of the clamping piece positioned in the groove to be back to the bottom of the groove, as shown in figure 3; the groove in the recovery tool is aligned with the clamping piece of the current collector, the bottom guide surface of the clamping piece moves along the end surface of the clamping piece, the clamping piece is gradually clamped in the groove until the clamping piece is clamped in the insertion groove of the clamping piece, and at the moment, a clicking sound is heard to indicate that the current collector and the recovery tool are connected; then the recovery tool is pulled along the first direction, and the connection between the current collector and the recovery tool is locked because the side guide surface of the clamping piece is contacted with the inner wall of the insertion groove and blocked by the clamping piece.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic top view of the recycling tool of the present invention;
FIG. 2 is a schematic side view of the recycling tool of the present invention;
FIG. 3 is a schematic view of the locking state of the current collector and the recovery tool in the present invention;
FIG. 4 is a schematic view of the non-locking state of the current collector and the recovery tool of the present invention;
FIG. 5 is a schematic view of the connecting head structure;
FIG. 6 is a schematic view of the overall structure of the current collector of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 1 at B;
FIG. 8 is an exploded view of the current collector of the present invention;
FIG. 9 is a cross-sectional view A-A of FIG. 3;
fig. 10 is a schematic view of the internal structure of the current collector of the present invention;
in the figure: 1-a main housing, 101-a first caliper housing, 102-a limiting part, 103-a connecting part two, 2-a second caliper housing, 21-a jaw part, 22-a clamping part, 221-a first anti-skid projection, 23-a connecting part one, 3-a line pressing plate, 31-a second anti-skid projection, 32-a line pressing cambered surface, 4-a torsion spring, 5-a Rogowski coil, 6-a pin shaft, 7-a high pressure chamber, 71-a threading hole one, 8-an isolation conversion module, 9-a low pressure chamber, 91-a threading hole two, 10-a control plate, 11-a clamping piece, 111-a splicing hole, 112-a bottom guide surface, 113-a side guide surface, 12-a housing, 121-a groove, 122-a through hole, 1221-a hole one, 1222-a hole two, 1223-stop, 13-clamping column, 14-clamping piece, 15-spring, 16-connecting piece, 18-rotary switch, 19-nut, 20-receiving unit, 201-processing unit, 202-display unit, 24-supporting plate, 25-sealing cover, 26-wireless extension paste, 27-connecting head, 28-telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 6 to 10, the current collector includes
The caliper comprises a main shell 1, a first caliper shell 101 and a limiting part 102, wherein the first caliper shell 101 and the limiting part 102 are sequentially connected;
a second caliper housing 2 including a jaw portion 21 and a clamping portion 22 connected to each other, the jaw portion 21 being hingedly disposed on the main housing 1,
the jaw portion 21, the stopper portion 102 and the first caliper housing 101 are sequentially arranged along an annular path,
one end of the wire pressing plate 3 is hinged to the first caliper shell 101, and the clamping portion 22 and the wire pressing plate 3 are located in a space defined by the caliper portion 21, the limiting portion 102 and the first caliper shell 101;
the torsion spring 4 is sleeved on the rotating shaft of the wire pressing plate 3, one action end of the torsion spring 4 acts on the wire pressing plate 3, and the other action end acts on the first caliper shell 101;
the rogowski coil 5 is provided in the jaw portion 21, the stopper portion 102, and the first caliper housing 101 in this order along an annular path.
The embodiment provides a current collector, before hanging, the second caliper housing 2 is rotated clockwise, the clamping portion 22 is lifted upwards, the end portion of the clamping portion 22 extrudes the wire pressing plate 3, the wire pressing plate 3 rotates anticlockwise, the torsion spring 4 is pressed tightly under stress, when the clamping portion 22 and the wire pressing plate 3 are in an angle of 90 degrees, the extrusion force of the clamping portion 22 to the wire pressing plate 3 is equal to the reaction force of the torsion spring 4, the clamping portion 22 and the wire pressing plate 3 do not rotate any more, one end of the wire pressing plate 3, which is far away from the rotating shaft, is aligned with the end portion of the first caliper housing 101, and a jaw for clamping a cable is formed between the first caliper housing 101 and the jaw portion 21; at the moment, the position of the jaw is abutted to the cable, the clamping part 22 is compressed after the cable slides into the jaw, the clamping part 22 slides along the wire pressing plate 3 after being stressed to a certain degree, the extrusion force of the clamping part 22 to the wire pressing plate 3 is gradually reduced, when the extrusion force of the clamping part 22 to the wire pressing plate 3 is smaller than the reaction force of the torsion spring 4, the wire pressing plate 3 is quickly reset, obvious 'clicking' sound can be heard at the moment, the wire pressing plate 3 and the clamping part 22 act together to compress the cable, the clamping force to the cable can be kept under the action of the torsion spring 4, the current collector in the embodiment is prevented from sliding on the cable, and therefore the current collector in the embodiment is reliably fixed on the cable; meanwhile, after the wire pressing plate 3 is reset, the clamping portion 22 is attached to the limiting portion 102, the jaw portion 21 is in contact with the first caliper shell 101, the jaw portion 21, the limiting portion 102 and the Rogowski coil 5 in the first caliper shell 101 form a closed ring shape, the closed ring shape is sleeved on the outer side of the cable, and the high-voltage current of the cable is collected.
When the current collector of the embodiment needs to be separated from the cable, the main shell 1 is pulled, the cable is stressed to extrude the line pressing plate 3, when the pressure is greater than the counter-acting force of the torsion spring 4, the line pressing plate 3 rotates anticlockwise, the gap between the line pressing plate 3 and the jaw part 21 is smaller than the outer diameter of the cable, the cable drives the line pressing plate 3 to rotate, the jaw part 21 is extruded, the jaw part 21 rotates clockwise, and the jaw part 21 is separated from the first caliper shell 101 until the cable is completely separated; at this moment, the wire pressing plate 3 is not stressed by the cable any more, the wire pressing plate 3 rebounds under the action of the torsion spring 4, meanwhile, the wire pressing plate 3 extrudes the clamping portion 22, the clamping portion 22 is stressed to rotate anticlockwise and is attached to the limiting portion 102, the jaw portion 21 rotates anticlockwise and is in contact with the first caliper shell 101, obvious clicking sound can be heard, and the wire-off recovery of the current collector in the embodiment is completed.
The current collector can be automatically connected and disconnected with a cable, so that the operation is simplified, and the quick connection is realized.
Further, also comprises
The first connecting part 23 is arranged on the second caliper shell 2;
the second connecting part 103 is arranged on the main shell 1;
the pin shaft 6 sequentially penetrates through the first connecting part 23 and the second connecting part 103, and two ends of the pin shaft 6 are locked through the clamp springs.
The second caliper shell 2 is hinged with the main shell 1 through a pin shaft 6, and the structure is simple and the operation is convenient.
Furthermore, the clamping portion 22 is provided with first anti-skid projections 221 at intervals on one side away from the limiting portion 102, and the line pressing plate 3 is provided with second anti-skid projections 31.
Further, a wire pressing cambered surface 32 is arranged on the wire pressing plate 3.
The cable is clamped between the wire pressing plate 3 and the clamping part 22, and the first anti-skid protrusions 221 are arranged on the surface of the clamping part 22 at intervals, so that the friction force between the cable and the clamping part 22 is increased, and the reliable fixation of the cable before the wire pressing plate 3 and the clamping part 22 is ensured; when the jaw part 21 is in an open state, the end surface of the clamping part 22 is extruded on the wire pressing plate 3, and the anti-skid protrusions 31 arranged on the wire pressing plate 3 can prevent the clamping part 22 from sliding along the wire pressing plate 3, so that the jaw part 21 is ensured to be opened reliably; the wire pressing cambered surface 32 is arranged on the wire pressing plate 3, so that the wire pressing cambered surface can be widely applied to 15-32mm line clamping, and the universality of the embodiment is improved.
Further, still include backup pad 24, backup pad 24 is a plurality of, and a plurality of backup pads 24 set gradually in second calliper casing 2, spacing portion 102 and first calliper casing 101 along annular route, are provided with the semicircle through-hole that is used for fixed rogowski coil 5 on the backup pad 24.
The setting of backup pad 24 and semicircle through-hole realizes reliably fixing rogowski coil 5, guarantees the accurate nature and the stability of data acquisition.
Further, also comprises
A high-pressure chamber 7 provided in the stopper portion 102;
the isolation conversion module 8 is arranged in the high-pressure chamber 7, the isolation conversion module 8 is connected with the Rogowski coil 5, and a first threading hole 71 for the Rogowski coil 5 to pass through is formed in the side wall of the high-pressure chamber 7.
In this embodiment, the rogowski coil 5 enters the high-voltage chamber 7 and is connected to the isolation and conversion module 8, and the isolation and conversion module 8 converts the high-voltage and high-current signal collected by the rogowski coil 5 into a first low-current signal, thereby facilitating current calculation.
Further, also comprises
A low pressure chamber 9 provided in the main casing 1 and located at one side of the high pressure chamber 7;
and the control panel 10 is arranged in the low-pressure chamber 9, the control panel 10 is connected with the isolation conversion module 8, and the side wall of the low-pressure chamber 9 is provided with a second threading hole 91.
Further, the wireless expansion paste 26 is arranged in the low-pressure chamber 9, and the wireless expansion paste 26 is connected with the control board 10.
Further, sealing covers 25 are provided outside the first caliper housing 101, the second caliper housing 2, the high pressure chamber 7 and the low pressure chamber 9.
Further, also comprises
The clamping piece 11 is arranged on the outer side of the main shell 1, the inserting hole 111 is formed in the clamping piece 11, the bottom surface of the clamping piece 11 is provided with a bottom guide surface 112, the side surface of the clamping piece 11 is provided with a side guide surface 113, the bottom guide surface 112 is a convex spherical surface or an inclined surface, and the side guide surface 113 is a convex spherical surface or an inclined surface.
As shown in FIGS. 1-5, a current collector recycling tool comprises
A groove 121 is arranged in the shell 12, the clamping piece 11 is clamped in the groove 121 along a first direction, a through hole 122 is arranged on the side wall of the groove 121, the axial direction of the through hole 122 is intersected with the first direction,
one end of the clamping column 13 is arranged in the through hole 122 along the axial direction in a moving way, the other end is arranged outside the through hole 122,
one end of the clamping piece 14 is sleeved on the clamping column 13, the other end of the clamping piece 14 extends into the groove 121, the end surface of one end of the clamping piece 14, which is positioned in the groove 121, is obliquely crossed with the axial direction of the clamping piece 14,
the spring 15 is sleeved outside the clamping column 13, the through hole 122 is a stepped hole, the through hole 122 comprises a first hole 1221 and a second hole 1222 which are sequentially communicated, the first hole 1221 is positioned outside the second hole 1222, the diameter of the first hole 1221 is smaller than that of the second hole 1222, a blocking part 1223 is arranged between the first hole 1221 and the second hole 1222,
the spring 15 is located in the second hole 1222, and the spring 15 is clamped between the clamping member 14 and the stopping portion 1223,
a connector 16, disposed outside the housing 12, for connecting with a telescopic rod 28.
As shown in fig. 1 to 5, in order to facilitate the current collector of this embodiment to be hung on an overhead line, this embodiment provides a recovery tool, one end of the recovery tool is automatically connected and disconnected with the current collector, and the other end of the recovery tool is connected with the telescopic rod 28, so that the current collector and the telescopic rod 28 are automatically connected and disconnected, and a worker can hang and disconnect the current collector and the overhead line on the ground. The hanging process of the current collector specifically comprises the following steps:
first, the current collector is mounted on the telescopic rod 28: firstly, the recovery tool is connected with the telescopic rod 28, and one end of the clamping column 13, which is positioned outside the through hole 122, is rotated, so that the end surface of the clamping piece 14, which is positioned in the groove 121, faces to the bottom of the groove 121, as shown in fig. 4; then, the clamping member 11 of the current collector is pushed into the alignment groove 121, during the moving process, the side guide surface 113 and the bottom guide surface 112 of the clamping member 11 are sequentially contacted with the end surface of the clamping member 14, during the moving process, the clamping member 14 is gradually pressed towards the outer side direction of the through hole 122 by the clamping member 11, the clamping member 11 is gradually clamped into the groove 121 until the clamping member 14 is clamped into the inserting hole 111 of the inner clamping member 11, at this time, a 'click' sound can be heard to indicate that the clamping member 11 and the clamping member 14 are connected, and the current collector is installed on the telescopic rod 28.
Secondly, the current collector is hung on the overhead line: open with second calliper casing 2, and keep open mode, hold telescopic link 28 bottom, push up the current collector to the overhead line, the overhead line slides in the back of keeping silent, compress tightly clamping part 22, clamping part 22 atress is behind the certain degree, slide along line ball 3, clamping part 22 reduces to the extrusion force of line ball 3 gradually, when clamping part 22 is less than torsional spring 4's reaction force to the extrusion force of line ball 3, line ball 3 resets rapidly, can hear obvious "click" sound this moment, line ball 3 compresses tightly the overhead line with clamping part 22 combined action, under torsional spring 4's effect, can keep the clamping-force to the overhead line, realize the reliable fixed of current collector on the cable.
Thirdly, the current collector is separated from the recovery tool: after the current collector is reliably fixed on the cable, the tail end of the telescopic rod 28 is pulled along the opposite direction of the first direction, the first direction is the depth direction of the groove 121, at the moment, the recovery tool bears downward acting force, the acting force overcomes the resistance of the clamping piece 14 to the clamping piece 11, the bottom guide surface 112 of the clamping piece 11 moves along the end surface of the clamping piece 14, the clamping piece 11 gradually moves out of the groove 121, obvious 'click' sound can be heard, and the recovery tool is separated from the current collector.
The disconnection process of the current collector comprises the following specific steps:
first step, current collector and recovery instrument locking connection: the recovery tool is arranged on the telescopic rod 28, one end of the clamping column 13, which is positioned outside the through hole 122, is rotated, so that the end surface of the clamping piece 14, which is positioned in the groove 121, faces away from the bottom of the groove 121, as shown in fig. 3; holding the bottom of the telescopic rod 28, pushing the recovery tool to the current collector, aligning the groove 121 in the recovery tool with the clamping piece 11 of the current collector, moving the bottom guide surface 112 of the clamping piece 11 along the end surface of the clamping piece 14, gradually clamping the clamping piece 11 into the groove 121 until the clamping piece 14 is clamped into the insertion groove of the clamping piece 11, and hearing a click sound at the moment to indicate that the current collector and the recovery tool are connected; the extension rod 28 is then pulled in a first direction, whereupon the retrieval tool is forced downwardly, the current collector and retrieval tool being locked in connection by the retaining member 14 as the side guide surfaces 113 of the retaining member 14 contact the inner wall of the insertion groove.
And step two, the current collector is disconnected from the overhead line: pulling the telescopic rod 28, pressing the wire pressing plate 3 by the stress of the cable, rotating the wire pressing plate 3 anticlockwise when the pressure is greater than the pressure of the torsion spring 4, enabling a gap between the wire pressing plate 3 and the jaw part 21 to be smaller than the outer diameter of the cable, driving the wire pressing plate 3 to rotate by the cable, pressing the jaw part 21 at the same time, rotating the jaw part 21 clockwise, and separating the jaw part 21 from the first caliper shell 101 until the cable is completely separated; at this moment, the wire pressing plate 3 is not stressed by the cable any more, the wire pressing plate 3 rebounds under the action of the torsion spring 4, meanwhile, the wire pressing plate 3 extrudes the clamping portion 22, the clamping portion 22 is stressed to rotate anticlockwise and is attached to the limiting portion 102, the jaw portion 21 rotates anticlockwise and is in contact with the first caliper shell 101, obvious clicking sound can be heard, and the off-line recovery of the current collector is completed.
Thirdly, the current collector is separated from the recovery tool: the clamping column 13 is rotated to be located at one end of the outer side of the through hole 122, the end face, located in the groove 121, of the clamping piece 14 is opposite to the bottom of the groove 121, the end face of the clamping piece 14 is in contact with the bottom guide face 112 of the clamping piece 11, the bottom guide face 112 of the clamping piece 11 moves along the end face of the clamping piece 14, the clamping piece 11 gradually moves out of the groove 121, obvious 'clicking' sound can be heard, and the recovery tool is separated from the current collector.
Further, the end surface of the retainer 14 at the end located in the groove 121 is a convex spherical surface, and the plane where the largest diameter of the cross-sectional circle is located is oblique to the axial direction of the retainer 14.
The terminal surface that chucking spare 14 is located recess 121 one end is convex spherical surface, and in the in-process that recess 121 was gone into or is shifted out to chucking spare 11 card, the convex spherical surface of chucking spare 14 and the contact of the bottom guide surface 112 of chucking spare 11 are favorable to reducing frictional force to reduce the part wearing and tearing, improve the life of this embodiment.
Further, an opening is formed in the housing 12, the clamping member 11 is clamped into the groove 121 through the opening, and the cross-sectional area of the opening is gradually reduced in the direction from the end portion of the housing 12 to the center.
The opening on the shell 12 is opened outwards, so that the clamping piece 11 and the low-pressure chamber 9 can be accurately sleeved in the shell 12 under the condition of visual deviation.
Further, also comprises
The rotary switch 18 is sleeved at one end of the clamping column 13, and the rotary switch 18 is located outside the through hole 122.
By adjusting the angle of the rotary switch 18, the rotation of the tightening post 13 can be achieved, thereby controlling the tightening and releasing of the tightening member 14. In this embodiment, the rotary switch 18 is a butterfly switch, and butterfly parts on both sides are provided with red-green signs for indicating whether the state of the mechanism is locked or released, and the default is red locking.
Further, also comprises
And a nut 19, wherein one end of the clamping column 13, which is positioned outside the through hole 122, is provided with a thread, the nut 19 is locked on the clamping column 13 through the thread, and the nut 19 is positioned outside the rotary switch 18.
Due to the action of the spring 15, the clamping column 13 slides in the through hole 122, and the nut 19 in the embodiment can avoid the clamping column 13 from being separated from the rotary switch 18 in the moving process, so that the reliability of the embodiment is further improved.
Further, one end of the connecting member 16 is disposed outside the housing 12, and the other end is provided with an internal thread.
One end of the connecting piece 16 is provided with an internal thread which is matched with the external thread of the connecting head 27 of the telescopic rod 28, and the recovery tool is quickly connected with the telescopic rod 28. As shown in fig. 5, which is a schematic structural diagram of the connection head 27 of the telescopic rod 28, one end is connected with the telescopic rod 28, and the other end is provided with an external thread.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a current collector recovery instrument for articulate current collector on the overhead line, be provided with joint spare (11) on the current collector, be provided with spliced eye (111) in joint spare (11), the bottom surface of joint spare (11) is provided with bottom spigot surface (112), and the side is provided with lateral part spigot surface (113), its characterized in that: comprises that
The clamping device comprises a shell (12), wherein a groove (121) is formed in the shell (12), the clamping piece (11) is clamped into the groove (121) along a first direction, a through hole (122) is formed in the side wall of the groove (121), the axial direction of the through hole (122) is intersected with the first direction,
one end of the clamping column (13) is arranged in the through hole (122) in an axially moving way, the other end is positioned outside the through hole (122),
a clamping piece (14), one end of which is sleeved on the clamping column (13), the other end of which extends into the groove (121), and the end surface of one end of the clamping piece (14) which is positioned in the groove (121) is obliquely crossed with the axial direction of the clamping piece (14),
spring (15), the cover is established chucking post (13) outside, an effect end of spring (15) is used in chucking spare (14), another effect end effect with the inner wall of through-hole (122).
2. The current collector recycling tool of claim 1, wherein: the bottom guide surface (112) is a convex spherical surface or an inclined surface, and the side guide surface (113) is a convex spherical surface or an inclined surface.
3. The current collector recycling tool of claim 1, wherein: the end face of the clamping piece (14) at one end in the groove (121) is a convex spherical surface, and in a cross-sectional circle of the convex spherical surface, the plane where the largest diameter is located is obliquely crossed with the axial direction of the clamping piece (14).
4. The current collector recycling tool of claim 1, wherein: the through hole (122) is a stepped hole, the through hole (122) comprises a first hole (1221) and a second hole (1222) which are communicated in sequence, the first hole (1221) is positioned at the outer side of the second hole (1222), the diameter of the first hole (1221) is smaller than that of the second hole (1222), a blocking part (1223) is arranged between the first hole (1221) and the second hole (1222),
the spring (15) is located in the second hole (1222), and the spring (15) is clamped between the clamping piece (14) and the stopping part (1223).
5. The current collector recycling tool of claim 1, wherein: also comprises
The connecting piece (16) is arranged on the outer side of the shell (12) and used for being connected with the telescopic rod (28), one end of the connecting piece (16) is arranged on the outer side of the shell (12), and the other end of the connecting piece is provided with an internal thread.
6. The current collector recycling tool of claim 1, wherein: also comprises
The rotary switch (18) is sleeved at one end of the clamping column (13), and the rotary switch (18) is located on the outer side of the through hole (122).
7. The current collector recycling tool of claim 6, wherein: also comprises
The nut (19), chucking post (13) are located the one end in through-hole (122) outside is provided with the screw thread, nut (19) are in through screw thread locking on chucking post (13), nut (19) are located the outside of rotary switch (18).
8. The current collector recycling tool of claim 1, wherein: the casing (12) is provided with an opening, the clamping piece (11) is clamped into the groove (121) through the opening, and the cross sectional area of the opening is gradually reduced along the direction from the end part of the casing (12) to the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020830943.8U CN212137112U (en) | 2020-05-18 | 2020-05-18 | Current collector recovery tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020830943.8U CN212137112U (en) | 2020-05-18 | 2020-05-18 | Current collector recovery tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212137112U true CN212137112U (en) | 2020-12-11 |
Family
ID=73670597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020830943.8U Active CN212137112U (en) | 2020-05-18 | 2020-05-18 | Current collector recovery tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212137112U (en) |
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2020
- 2020-05-18 CN CN202020830943.8U patent/CN212137112U/en active Active
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