CN109994962B - Strain clamp greasing fixing device and using method - Google Patents
Strain clamp greasing fixing device and using method Download PDFInfo
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- CN109994962B CN109994962B CN201910202394.1A CN201910202394A CN109994962B CN 109994962 B CN109994962 B CN 109994962B CN 201910202394 A CN201910202394 A CN 201910202394A CN 109994962 B CN109994962 B CN 109994962B
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- tube
- sleeve
- fixing
- clamp
- strain clamp
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
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Abstract
The invention discloses a strain clamp greasing fixing device and a using method thereof, wherein the device comprises: the fixing device comprises a fixing clamp (1), a connecting rod (2), a fixing pipe (3), a sleeve (4) and a plurality of first bolts (5), wherein the fixing clamp (1) is connected with the connecting rod (2), and a channel is formed in the connecting rod (2); the fixed pipe (3) penetrates into the channel and is connected with the connecting rod (2); scales are arranged outside the sleeve (4) and movably inserted into a tube cavity of the fixed tube (3), the fixed tube (3) is provided with at least one pair of first threaded holes, one first bolt (5) penetrates into one first threaded hole, and each first bolt (5) abuts against the tube wall of the sleeve (4); when the device is configured to be used, the fixing clamp (1) is arranged on the aluminum pipe (6), the sleeve (4) is aligned to the non-crimping area of the aluminum pipe (6), and the drill bit is movably inserted into the cavity of the sleeve (4), so that an operator can conveniently open a grease injection hole in the aluminum pipe in high altitude.
Description
Technical Field
The invention relates to the technical field of power transmission lines, in particular to a strain clamp greasing fixing device and a using method thereof.
Background
The strain clamp is used for fixing a lead to bear the tension of the lead and hanging the lead to a strain insulator-string group or a hardware fitting on a tower. When the strain insulator string hangs upside down, the rainwater easily enters the inside of the aluminum pipe of strain insulator fastener to pile up the storage inside. After the temperature is reduced, the water accumulated and stored in the strain clamp is easy to damage the aluminum pipe due to icing and expansion, and the accident phenomenon of 'bulging' is formed.
In the correlation technique, utilize the drilling tool to set up on the aluminum pipe and annotate the fat hole, through pouring into the inside cavity of aluminum pipe with electrically conductive fat, seal with aluminium system bolt after annotating the fat, can be so that when strain clamp hangs upside down, because strain clamp has been annotated and has been filled with electrically conductive fat, the rainwater does not have the local storage in strain clamp inside, therefore can effectively prevent strain clamp because of the expansion of freezing of water destroys the aluminum pipe in the operation.
However, when the aluminum pipe is provided with the grease injection hole on the ground, the operator can easily control the punching position and the punching depth, and when the grease injection hole is formed in the high altitude, the operator can not easily control the punching position and the punching depth, so that the aluminum pipe is easily damaged in the high altitude operation.
Disclosure of Invention
In view of the above, the invention provides a strain clamp grease injection fixing device and a use method thereof, which are convenient for operators to open grease injection holes to aluminum pipes in high altitude.
Specifically, the method comprises the following technical scheme:
in one aspect, a strain clamp grease injection fixing device is provided, the device includes: a fixing clip, a connecting rod, a fixing tube, a sleeve and a plurality of first bolts, wherein,
the fixing clamp is connected with one end of the connecting rod, and the other end of the connecting rod is provided with a channel vertical to the extending direction of the connecting rod;
the fixed pipe penetrates into the channel and is connected with the connecting rod;
scales are arranged outside the sleeve and movably inserted into the tube cavity of the fixed tube, at least one pair of first threaded holes are oppositely formed in the upper end and/or the lower end of the fixed tube, one first bolt penetrates into one first threaded hole, and each first bolt is abutted against the tube wall of the sleeve;
the device is configured such that, in use, the retaining clip is disposed on an aluminum tube of a strain clamp, the sleeve is aligned with an uncrimped region of the aluminum tube, and a drill bit of a drilling tool is movably inserted into a lumen of the sleeve.
In one possible design, the retaining clip includes a first portion, a second portion, and a plurality of second bolts;
the first portion and the second portion are arranged on two sides of the aluminum pipe oppositely, and the first portion and the second portion are connected through the plurality of second bolts.
In one possible design, the connecting rod comprises a first rod body, a second rod body and a third rod body which are connected;
the extending direction of the first rod body is the same as that of the third rod body, and the extending direction of the second rod body is perpendicular to that of the first rod body or that of the third rod body;
the first rod body is connected with the first part, and the third rod body is provided with the channel.
In one possible design, the apparatus further includes: a plurality of nuts;
one of the nuts is fitted over one of the second bolts.
In a possible design, the number of the first threaded holes is two pairs, and the first threaded holes are respectively arranged at the upper end and the lower end of the fixed pipe.
In one possible design, the scale is in millimeters.
In one possible design, the fixed tube is welded to the connecting rod.
In one possible design, the length of the sleeve is greater than the length of the fixation tube.
In another aspect, a method for using a strain clamp greasing fixing device is provided, where any one of the above strain clamp greasing fixing devices is applied, and the method includes:
arranging the fixing clamp on an aluminum pipe of the strain clamp, and aligning the sleeve to a non-crimping area of the aluminum pipe;
moving the sleeve upwards according to a preset distance, and screwing each first bolt;
inserting a drill bit of the drilling tool into the lumen of the casing and activating the drilling tool.
Optionally, the preset distance is obtained according to the following formula:
h＝hz-hn-hl
in the formula: h is the preset distance; h iszIs the length of the drill bit of the drilling tool; h isnThe thickness of the pipe wall of the aluminum pipe is; h islAnd the length from the upper end surface of the fixed pipe to the pipe wall of the aluminum pipe.
The technical scheme provided by the embodiment of the invention has the beneficial effects that at least:
connect fixation clamp and fixed pipe through the connecting rod, the movable intraluminal of inserting fixed pipe of sleeve pipe, a plurality of first bolts can the fixed sleeve pipe, constitute the major structure of strain clamp notes fat fixing device, when using, through setting up the fixation clamp on the aluminum pipe of strain clamp, and aim at the crimping district of sleeve pipe to the aluminum pipe, with the fixed of realizing the device, because sheathed tube outside is provided with the scale, therefore can be according to predetermineeing apart from the rebound sleeve pipe, and screw every first bolt with fixed sleeve pipe, insert the drill bit of drilling tool in sheathed tube lumen then, and start the drilling tool, make the drill bit when wearing the aluminum pipe wall, the one end of drill bit supports by just on the sleeve pipe, be convenient for operating personnel offers notes fat hole to the aluminum pipe in the high altitude, easily control the position of punching and the degree of depth of punching.
Drawings
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 based on these drawings without creative efforts.
Fig. 1 is a front view of a strain clamp greasing fixing device according to an embodiment of the present invention;
fig. 2 is a side view of a strain clamp greasing fixing device according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram illustrating an application structure of a strain clamp grease injection fixing device according to an embodiment of the present invention;
fig. 4 is a flowchart of a method for using a strain clamp grease injection fixing device according to an embodiment of the present invention.
The reference numerals in the figures are denoted respectively by:
1-a retaining clip, 11-a first part, 12-a second part, 13-a second bolt,
2-connecting rod, 21-first rod, 22-second rod, 23-third rod,
3-fixing the tube, wherein the tube is fixed,
4-a sleeve pipe is arranged in the sleeve pipe,
5-the first bolt is arranged on the first bolt,
6-an aluminum tube, which is,
7-nut.
Detailed Description
Before the embodiments of the present invention are described in further detail, the terms of orientation, such as "upper end surface", "lower end surface", "upper end surface", etc., in the embodiments of the present invention are all used as references with respect to the orientation shown in fig. 1, 2 or 3, and are only used to clearly describe the strain clamp grease injection fixing device and the using method of the embodiments of the present invention, and have no meaning of limiting the protection scope of the present invention.
Unless defined otherwise, all technical terms used in the examples of the present invention have the same meaning as commonly understood by one of ordinary skill in the art. Before further detailed description of embodiments of the present invention, some terms appearing in examples of the present invention are explained.
The tension clamp comprises an aluminum pipe, a steel anchor and a sealing bolt in the prior art, wherein the steel anchor is formed by sequentially connecting a wire crimping part, an aluminum pipe crimping part and a pull ring, the wire crimping part and the aluminum pipe crimping part extend into the aluminum pipe, the aluminum pipe crimping part is crimped with the aluminum pipe, a grease injection hole can be formed in the outer wall of a non-crimping area of the aluminum pipe, and the sealing bolt is connected with the grease injection hole.
In order to make the technical solutions and advantages of the present invention clearer, the following will describe embodiments of the present invention in further detail with reference to the accompanying drawings.
The embodiment of the invention provides a strain clamp grease injection fixing device, the front view of which is shown in figure 1, and the side view of which is shown in figure 2, the strain clamp grease injection fixing device is mainly used for grease injection and punching of an upper strain clamp cavity of a running line, and the strain clamp grease injection fixing device comprises: a fixing clip 1, a connecting rod 2, a fixing tube 3, a sleeve 4 and a plurality of first bolts 5.
The fixing clamp 1 is connected with one end of the connecting rod 2, and the other end of the connecting rod 2 is provided with a channel vertical to the extending direction of the connecting rod;
the fixed pipe 3 penetrates into the channel and is connected with the connecting rod 2;
the sleeve 4 is movably inserted into the lumen of the fixed tube 3, the upper end and/or the lower end of the fixed tube 3 is/are oppositely provided with at least one pair of first threaded holes (not shown in the figure), one first bolt 5 penetrates into one first threaded hole, and each first bolt 5 abuts against the tube wall of the sleeve 4;
the device is configured such that in use, the retaining clip 1 is placed over the aluminium tube 6 of the strain clamp, the sleeve 4 is aligned with the crimp free region of the aluminium tube 6, and the drill bit (not shown) of the drilling tool is removably inserted into the lumen of the sleeve 4.
The working principle of the tension clamp greasing fixing device provided by the embodiment of the invention is as follows:
the fixing clamp 1 and the fixing tube 3 are connected through the connecting rod 2, the sleeve 4 is movably inserted into a tube cavity of the fixing tube 3, and the sleeve 4 can be fixed through a plurality of first bolts 5 to form a main body structure of the strain clamp grease injection fixing device;
when using, through setting up fixation clamp 1 on the aluminum pipe 6 of strain clamp, as shown in fig. 3, and aim at the not crimping district of aluminum pipe 6 with sleeve pipe 4, in order to realize the fixed of device, because the outside of sleeve pipe 4 is provided with the scale, therefore can be according to presetting distance rebound sleeve pipe 4, and screw every first bolt 5 with fixed sleeve pipe 4, then insert the drill bit of drilling tool in the lumen of sleeve pipe 4, and start the drilling tool, make the drill bit when puncturing the 6 pipe walls of aluminum pipe, the one end of drill bit supports and leans on sleeve pipe 4 just, be convenient for operating personnel offers notes fat hole to aluminum pipe 6 in the high altitude, easily control the position of punching and the degree of depth of punching.
Therefore, according to the tension clamp grease injection fixing device provided by the embodiment of the invention, by using the fixing clamp 1, the connecting rod 2, the fixing pipe 3, the sleeve 4 and the plurality of first bolts 5, an operator can punch and inject grease at high altitude according to the climate and operation characteristics of the area where the line is located, so that the punching quality is improved, the operation and maintenance workload is reduced, and the operation and maintenance cost is saved.
The strain clamp greasing fixing device of the embodiment of the invention is further described as follows:
as for the fixing clip 1, the fixing clip 1 is used for fixing the device to the aluminum pipe 6.
Optionally, the fixing clip 1 comprises a first portion 11, a second portion 12 and a plurality of second bolts 13, as shown in fig. 1;
the first portion 11 and the second portion 12 are oppositely arranged on both sides of the aluminum pipe 6, and the first portion 11 and the second portion 12 are connected by a plurality of second bolts 13.
By arranging the first portion 11 and the second portion 12 relatively on the aluminum pipe 6, fixing is performed by a plurality of second bolts 13, so that the fixing clip 1 is fixedly arranged on the aluminum pipe 6.
The number of the second bolts 13 may be two, or four or more, as long as stable connection between the first portion 11 and the second portion 12 is ensured, and is not particularly limited herein.
Further, in order to achieve the fastening of the second bolt 13, the apparatus further comprises: a plurality of nuts 7;
a nut 7 is fitted over a second bolt 13, as shown in fig. 1, so that each second bolt 13 secures the first portion 11 and the second portion 12 more tightly.
As for the tie rod 2, the tie rod 2 is used to achieve connection between the fixing clip 1 and the fixing tube 3 and the sleeve 4.
Optionally, the connecting rod 2 comprises a first rod body 21, a second rod body 22 and a third rod body 23 which are connected, as shown in fig. 2;
the extending direction of the first rod 21 is the same as the extending direction of the third rod 23, and the extending direction of the second rod 22 is perpendicular to the extending direction of the first rod 21 or the extending direction of the third rod 23;
the first rod 21 is connected to the first portion 11, and the third rod 23 is provided with a channel.
So set up for can reserve part distance between fixed tube 3 and the fixation clamp 1, be convenient for follow-up drill bit movably inserts the intracavity of sleeve pipe 4.
As for the fixing tube 3, the fixing tube 3 is used to fix the sleeve 4.
The number of the first threaded holes formed in the fixed pipe 3 may be two, as shown in fig. 2, and the first threaded holes are respectively formed in the upper end and the lower end of the fixed pipe 3.
In order to realize the firm connection between the fixed pipe 3 and the connecting rod 2, the fixed pipe 3 and the connecting rod 2 are connected by welding.
As for the sleeve 4, since the sleeve 4 is movable within the fixed tube 3, the sleeve 4 can be used to adjust the distance between one end of the drill and the aluminum tube 6.
Wherein, the outside of the sleeve 4 is provided with scales, and the unit of the scales can be millimeter, which is convenient for fine control.
Alternatively, the length of the sleeve 4 may be greater than the length of the fixed tube 3, or may be less than or equal to the length of the fixed tube 3, and is not particularly limited herein.
In summary, according to the tension clamp grease injection fixing device provided by the embodiment of the invention, the fixing clamp 1, the connecting rod 2, the fixing tube 3, the sleeve 4 and the plurality of first bolts 5 are utilized, so that an operator can punch and inject grease at high altitude according to the climate and operation characteristics of the area where the line is located, the punching quality is improved, the operation and maintenance workload is reduced, and the operation and maintenance cost is saved.
The following is an example of the method of the present invention that may be used in an example of the strain clamp greasing fixture of the present invention. For details which are not disclosed in the method embodiments of the invention, reference is made to the apparatus embodiments of the invention.
Fig. 4 is a flowchart of a method for using a strain clamp grease injection fixing device according to an embodiment of the present invention, where the method for using the strain clamp grease injection fixing device may include:
Wherein, the inside of the aluminum pipe 6 corresponding to the non-crimping region is a cavity part, and grease injection into the aluminum pipe 6 can be realized only by arranging a grease injection hole in the non-crimping region. It will be appreciated that greasing of the interior of the aluminium tube 6 cannot be achieved if the sleeve 4 is aligned with the crimping zone of the aluminium tube 6.
A punching point in the middle of the lower side of the compression joint edge of the drainage plate welding area and the tension steel anchor side of the tension clamp can be selected.
Further, the fixing clip 1 may be provided in an unpressed region of the aluminum pipe 6, and the center of the grease injection hole is selected so as to be aligned with the central axis of the sleeve 4.
Wherein the preset distance is obtained according to the following formula:
h＝hz-hn-hl
in the formula: h is a preset distance; h iszIs the length of the drill bit of the drilling tool; h isnThe thickness of the pipe wall of the aluminum pipe 6; h islThe length from the upper end face of the pipe 3 to the wall of the aluminum pipe 6 is fixed.
The arrangement is such that when the drill bit is used for drilling through the wall of the aluminium tube 6, one end of the drill bit is just abutted against the sleeve 4.
It should be noted that the drill (mark) is controlled not to be lower than the surface of the aluminum pipe 6 when drilling, and the speed is slowed down when the drill (mark) approaches the surface of the aluminum pipe 6 so as not to damage the crimped steel anchor.
Further, electric composite grease is filled into the pressure bar type grease gun, the pipe orifice of the grease gun is connected with the grease injection hole, the locking device at the tail of the grease gun is loosened, the handle of the gun head is shaken until the electric composite grease overflows, the grease injection is stopped, the surface of the aluminum pipe 6 is treated smoothly by abrasive paper to avoid corona generation, the grease injection hole is blocked by a stainless steel round head screw, and sealant is added into the screw hole and screwed down by a screwdriver.
Therefore, according to the application method of the tension clamp grease injection fixing device provided by the embodiment of the invention, the fixing clamp 1 is arranged on the aluminum pipe 6 of the tension clamp, the sleeve 4 is aligned to the non-crimping area of the aluminum pipe 6, the sleeve 4 is moved upwards according to the preset distance, each first bolt 5 is screwed, the drill bit of the drilling tool is inserted into the pipe cavity of the sleeve 4, and the drilling tool is started, so that when the drill bit penetrates through the pipe wall of the aluminum pipe 6, one end of the drill bit just abuts against the sleeve 4, an operator can conveniently open grease injection holes to the aluminum pipe 6 in high altitude, and the punching position and the punching depth can be easily controlled.
In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "plurality" means two or more unless expressly limited otherwise.
The above description is only for facilitating the understanding of the technical solutions of the present invention by those skilled in the art, and is not intended to limit the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a strain clamp annotates fat fixing device which characterized in that, the device includes: a fixing clamp (1), a connecting rod (2), a fixing tube (3), a sleeve (4) and a plurality of first bolts (5), wherein,
the fixing clamp (1) is connected with one end of the connecting rod (2), and the other end of the connecting rod (2) is provided with a channel vertical to the extending direction of the connecting rod;
the fixed pipe (3) penetrates into the channel and is connected with the connecting rod (2);
the connecting rod (2) comprises a first rod body (21), a second rod body (22) and a third rod body (23) which are connected;
the extending direction of the first rod body (21) is the same as that of the third rod body (23), and the extending direction of the second rod body (22) is perpendicular to that of the first rod body (21) or that of the third rod body (23);
the first rod body (21) is connected with the first part (11) of the fixing clamp (1), and the third rod body (23) is provided with the channel;
scales are arranged outside the sleeve (4) and movably inserted into the tube cavity of the fixed tube (3), at least one pair of first threaded holes are formed in the upper end and/or the lower end of the fixed tube (3) oppositely, one first bolt (5) penetrates into one first threaded hole, and each first bolt (5) abuts against the tube wall of the sleeve (4);
the device is configured such that, in use, the retaining clip (1) is disposed on an aluminium tube (6) of a strain clamp, the sleeve (4) is aligned with an uncrimped region of the aluminium tube (6), and a drill bit of a drilling tool is movably inserted into a lumen of the sleeve (4).
2. The strain clamp greasing fixture device according to claim 1, wherein the fixture clamp (1) comprises a first portion (11), a second portion (12) and a plurality of second bolts (13);
the first portion (11) and the second portion (12) are oppositely arranged on two sides of the aluminum pipe (6), and the first portion (11) and the second portion (12) are connected through the plurality of second bolts (13).
3. The strain clamp greasing fixture of claim 2, further comprising: a plurality of nuts (7);
one of the nuts (7) is sleeved on one of the second bolts (13).
4. The strain clamp greasing fixing device according to claim 1, wherein the number of the first threaded holes is two pairs, and the first threaded holes are respectively provided at the upper end and the lower end of the fixing tube (3).
5. The strain clamp greasing fixture of claim 1, wherein the scale is in millimeters.
6. The strain clamp greasing fixing device according to claim 1, wherein the fixing tube (3) is connected with the connecting rod (2) by welding.
7. The strain clamp greasing fixture device according to claim 1, wherein the length of the sleeve (4) is greater than the length of the fixing tube (3).
8. A method for using a strain clamp greasing fixing device, which is characterized in that the strain clamp greasing fixing device of any one of claims 1-7 is applied, and the using method comprises the following steps:
arranging the fixing clamp (1) on an aluminum tube (6) of the strain clamp, and aligning the sleeve (4) to a non-crimping area of the aluminum tube (6);
moving the sleeve (4) upwards according to a preset distance and screwing each first bolt (5);
inserting the drill bit of the drilling tool into the lumen of the casing (4) and activating the drilling tool.
9. The method of using the strain clamp greasing fixture of claim 8, wherein the predetermined distance is obtained according to the following formula:
h＝hz-hn-hl
in the formula: h is the preset distance; h iszIs the length of the drill bit of the drilling tool; h isnThe thickness of the tube wall of the aluminum tube (6); h islThe length from the upper end face of the fixed pipe (3) to the pipe wall of the aluminum pipe (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202394.1A CN109994962B (en) | 2019-03-11 | 2019-03-11 | Strain clamp greasing fixing device and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910202394.1A CN109994962B (en) | 2019-03-11 | 2019-03-11 | Strain clamp greasing fixing device and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109994962A CN109994962A (en) | 2019-07-09 |
| CN109994962B true CN109994962B (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910202394.1A Active CN109994962B (en) | 2019-03-11 | 2019-03-11 | Strain clamp greasing fixing device and using method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4387023A1 (en) * | 2022-12-14 | 2024-06-19 | Rte Reseau De Transport D'electricite | Method and assembly for treating a conductor cable anchor sleeve, resulting anchor sleeve |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5382120A (en) * | 1993-12-27 | 1995-01-17 | Parsons; Richard E. | Drill bit depth minder |
| CN100416115C (en) * | 2006-11-01 | 2008-09-03 | 周建华 | Antitheft hoop |
| CN202604948U (en) * | 2012-05-25 | 2012-12-19 | 罗世兴 | Adjustable-length bone surgery drill bush |
| CN203415931U (en) * | 2013-09-11 | 2014-01-29 | 国家电网公司 | Anti-water-accumulation strain clamp |
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2019
- 2019-03-11 CN CN201910202394.1A patent/CN109994962B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4387023A1 (en) * | 2022-12-14 | 2024-06-19 | Rte Reseau De Transport D'electricite | Method and assembly for treating a conductor cable anchor sleeve, resulting anchor sleeve |
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| CN109994962A (en) | 2019-07-09 |
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