CN210326991U - Power cable intermediate head sealing device - Google Patents
Power cable intermediate head sealing device Download PDFInfo
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- CN210326991U CN210326991U CN201921152367.XU CN201921152367U CN210326991U CN 210326991 U CN210326991 U CN 210326991U CN 201921152367 U CN201921152367 U CN 201921152367U CN 210326991 U CN210326991 U CN 210326991U
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Abstract
The utility model belongs to the technical field of sealing devices, in particular to a sealing device for a middle joint of a power cable, which aims at the problem that the sealing joint can be damaged when the existing cable is moved by external force, thereby leading to the failure of the sealing mode, and the proposal is provided that the sealing device comprises a protective seat, wherein a protective cavity is arranged on the protective seat, connecting holes are arranged on both sides of the protective seat, two connecting holes are communicated with the same protective cavity, the power cable is arranged in the two connecting holes, one side of the two power cables close to each other is provided with the same sealing joint, both sides of the protective seat are provided with sealing rings, the two sealing rings are respectively sleeved on the two power cables, the top of the protective seat is provided with a mounting hole, and a plugging block is arranged in the mounting hole, the utility model has simple structure and convenient use, can compress the sealing joint to prevent the loosening of the sealing joint, and protecting the sealing joint.
Description
Technical Field
The utility model relates to a sealing device technical field especially relates to a power cable intermediate head sealing device.
Background
With the rapid development of urban power cable line construction, the intermediate joint for realizing connection between power cables has been widely used. The cable joint requires to have good sealing performance, and at present, the high pressure intermediate head end is sealed generally to adopt the mode of lapping, and this kind of sealing mode, if the cable is receiving external force when removing, probably destroys the sealing joint to lead to the sealing mode to become invalid, and then influence the performance that connects, will influence the normal operating of power cable circuit finally. Therefore, we propose a power cable intermediate joint sealing device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and having the cable among the prior art when receiving external force to remove, probably destroy sealing joint to lead to the shortcoming of sealing method inefficacy, and the power cable intermediate head sealing device who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a power cable intermediate head sealing device, includes the protection seat, the protection chamber has been seted up on the protection seat, and the connecting hole has all been seted up to the both sides of protection seat, and two connecting holes and same protection chamber intercommunication all are equipped with power cable in two connecting holes, and one side that two power cable are close to each other is equipped with same sealing joint, the both sides of protection seat all are equipped with the sealing washer, and two sealing washers overlap respectively and locate two power cable on, the mounting hole has been seted up at the top of protection seat, are equipped with the shutoff piece in the mounting hole, because the protection seat can realize encapsulating the protection to sealing joint, and two arc splint can return when retracting or receiving external force and remove at sealing joint, press from both sides tight sealing joint, and the increase of the range of removal of sealing joint makes two arc splint press from both sides sealing joint more tight.
Preferably, power cable's top and bottom all are equipped with the arc splint, and two arc splint mutually support, have all seted up first spring groove on the top inner wall in protection chamber and the bottom inner wall, and equal slidable mounting has a spring block in the first spring groove, and one side fixed mounting of spring block has the one end of first spring, and the other end fixed mounting of first spring resets after making the spring block slide on the inner wall in the first spring groove that corresponds, the elasticity of first spring.
Preferably, equal fixed mounting has same spacing axle on the both sides inner wall of first spring groove, and spring block slidable mounting is epaxial in the spacing that corresponds, and spring block's bottom extends to the protection intracavity, and rotates the one end of installing the stripper bar on the spring block, and the other end of stripper bar rotates and installs on the arc splint that corresponds, and spring block drives the stripper bar and rotates, and the stripper bar rotates extrusion arc splint and slides, because the sliding connection of fixed block and connecting axle to guarantee that arc splint slide not off normal.
Preferably, the equal fixed mounting in top and the bottom of arc splint has two fixed blocks, has seted up the spout on the fixed block, and slidable mounting has the connecting axle in the spout, and the one end of connecting axle extends to the outside and the fixed mounting of the fixed block that corresponds on the inner wall in protection chamber, and two arc splint slide to one side that is close to each other and carry out the centre gripping extrusion to same sealing joint to the realization is to sealing joint's fastening, prevents that sealing joint is not hard up.
Preferably, the last one end of installing the transmission shaft that rotates of spring block, the other end of transmission shaft rotates installs the connecting block, one side fixed mounting of connecting block is on the power cable that corresponds, two second spring grooves have all been seted up on the both sides inner wall in protection chamber, slidable mounting has the pull rod in the second spring groove, the one end fixed mounting of pull rod has the one end of second spring, the other end fixed mounting of second spring is on the inner wall in the second spring groove that corresponds, the other end of pull rod extends to protection intracavity and fixed mounting on the connecting block that corresponds, when power cable received external force and removes, power cable drives two connecting block and removes, the connecting block drives the pull rod and slides in second spring groove and drives the shrink of second spring atress, the one end of the transmission shaft that the connecting block pulling corresponds simultaneously rotates and removes.
In the utility model, a power cable intermediate head sealing device, when power cable receives external force to move, power cable drives two connecting blocks to move, the connecting block drives the pull rod to slide in the second spring groove to drive the second spring to contract, simultaneously, the connecting block pulls one end of the corresponding transmission shaft to rotate and move, the transmission shaft drives the corresponding spring slider to slide, the spring slider drives the extrusion rod to rotate, the extrusion rod rotates to extrude the arc-shaped clamping plate to slide, two arc-shaped clamping plates can clamp the sealing joint when the sealing joint retracts or receives external force to move, the moving amplitude of the sealing joint is increased, so that the two arc-shaped clamping plates clamp the sealing joint more and more tightly;
the utility model discloses simple structure, convenient to use can compress tightly sealing joint, prevents that sealing joint is not hard up, protects sealing joint.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.
Fig. 1 is a schematic structural view of a sealing device for an intermediate joint of a power cable according to the present invention;
fig. 2 is a schematic structural view of a portion a of a sealing device for an intermediate joint of a power cable according to the present invention;
fig. 3 is a schematic structural diagram of a part B of the sealing device for the intermediate joint of the power cable according to the present invention.
In the figure: the device comprises a protection seat 1, a protection cavity 2, a connecting hole 3, a power cable 4, a sealing joint 5, a sealing ring 6, an arc-shaped clamping plate 7, a mounting hole 8, a sealing block 9, a first spring groove 10, a spring sliding block 11, a first spring 12, an extrusion rod 13, a connecting shaft 14, a fixing block 15, a transmission shaft 16, a connecting block 17, a pull rod 18, a second spring groove 19 and a second spring 20.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Example one
Referring to fig. 1-3, a power cable intermediate head sealing device comprises a protection base 1, a protection cavity 2 is arranged on the protection base 1, connecting holes 3 are arranged on both sides of the protection base 1, two connecting holes 3 are communicated with the same protection cavity 2, power cables 4 are arranged in the two connecting holes 3, one side of the two power cables 4 close to each other is provided with the same sealing head 5, both sides of the protection base 1 are provided with sealing rings 6, the two sealing rings 6 are respectively sleeved on the two power cables 4, a mounting hole 8 is arranged on the top of the protection base 1, a plugging block 9 is arranged in the mounting hole 8, because the protective seat 1 can realize the encapsulation protection of the sealing joint 5, when the sealing joint 5 retracts or moves under external force, the sealing joint 5 is clamped and the amplitude of the movement of the sealing joint 5 is increased such that the two arc-shaped clamping plates 7 clamp the sealing joint 5 more tightly.
The utility model discloses in, power cable 4's top and bottom all are equipped with arc splint 7, two arc splint 7 mutually support, first spring groove 10 has all been seted up on the top inner wall of protection chamber 2 and the bottom inner wall, equal slidable mounting has spring block 11 in the first spring groove 10, one side fixed mounting of spring block 11 has the one end of first spring 12, the other end fixed mounting of first spring 12 is on the inner wall of the first spring groove 10 that corresponds, the elasticity of first spring 12 makes spring block 11 slide back and reset.
The utility model discloses in, equal fixed mounting has same spacing axle on the both sides inner wall of first spring groove 10, 11 slidable mounting of spring block are on the spacing axle that corresponds, 11 bottom of spring block extend to protection intracavity 2, and rotate the one end of installing stripper bar 13 on the spring block 11, stripper bar 13's the other end rotates and installs on corresponding arc splint 7, spring block 11 drives stripper bar 13 and rotates, stripper bar 13 rotates extrusion arc splint 7 and slides, because the sliding connection of fixed block 15 and connecting axle 14, thereby guarantee that arc splint 7 slides and do not deviate from normal.
The utility model discloses in, arc splint 7's top and the equal fixed mounting in bottom have two fixed blocks 15, have seted up the spout on the fixed block 15, slidable mounting has connecting axle 14 in the spout, and connecting axle 14's one end extends to the outside and fixed mounting of the fixed block 15 that corresponds on the inner wall in protection chamber 2, and two arc splint 7 slide to one side that is close to each other and carry out the centre gripping extrusion to same sealing joint 5 to the realization is to sealing joint 5's fastening, prevents that sealing joint 5 is not hard up.
In the utility model, one end of a transmission shaft 16 is rotatably arranged on a spring slide block 11, the other end of the transmission shaft 16 is rotatably arranged with a connecting block 17, one side of the connecting block 17 is fixedly arranged on the corresponding power cable 4, two second spring grooves 19 are respectively arranged on the inner walls of the two sides of a protection cavity 2, a pull rod 18 is slidably arranged in the second spring grooves 19, one end of the pull rod 18 is fixedly arranged with one end of a second spring 20, the other end of the second spring 20 is fixedly arranged on the inner wall of the corresponding second spring groove 19, the other end of the pull rod 18 extends into the protection cavity 2 and is fixedly arranged on the corresponding connecting block 17, when the power cable 4 is moved by an external force, the power cable 4 drives the two connecting blocks 17 to move, the connecting blocks 17 drive the pull rod 18 to slide in the second spring groove 19 to drive the second spring 20 to contract under the force, and meanwhile, the connecting blocks 17 pull one end of the corresponding transmission shaft 16 to move in a rotating manner.
Example two
Referring to fig. 1-3, a power cable intermediate head sealing device comprises a protection base 1, a protection cavity 2 is arranged on the protection base 1, connecting holes 3 are arranged on both sides of the protection base 1, two connecting holes 3 are communicated with the same protection cavity 2, power cables 4 are arranged in the two connecting holes 3, one side of the two power cables 4 close to each other is provided with the same sealing head 5, both sides of the protection base 1 are provided with sealing rings 6, the two sealing rings 6 are respectively sleeved on the two power cables 4, a mounting hole 8 is arranged on the top of the protection base 1, a plugging block 9 is arranged in the mounting hole 8, because the protective seat 1 can realize the encapsulation protection of the sealing joint 5, when the sealing joint 5 retracts or moves under external force, the sealing joint 5 is clamped and the amplitude of the movement of the sealing joint 5 is increased such that the two arc-shaped clamping plates 7 clamp the sealing joint 5 more tightly.
The utility model discloses in, power cable 4's top and bottom all are equipped with arc splint 7, two arc splint 7 mutually support, first spring groove 10 has all been seted up on the top inner wall of protection chamber 2 and the bottom inner wall, equal slidable mounting has spring block 11 in the first spring groove 10, one side of spring block 11 is passed through welded fastening and is installed the one end of first spring 12, the other end of first spring 12 passes through welded fastening and installs on the inner wall of the first spring groove 10 that corresponds, the elasticity of first spring 12 makes spring block 11 slide back and reset.
The utility model discloses in, all there is same spacing axle through welded fastening on the both sides inner wall of first spring groove 10, 11 slidable mounting of spring block are epaxial in the spacing that corresponds, 11 bottoms of spring block extend to protection intracavity 2, and rotate the one end of installing stripper bar 13 on the spring block 11, stripper bar 13's the other end rotates and installs on corresponding arc splint 7, spring block 11 drives stripper bar 13 and rotates, stripper bar 13 rotates and extrudes arc splint 7 and slides, because fixed block 15 and connecting axle 14's sliding connection, thereby guarantee that arc splint 7 slides and do not deviate from normal.
The utility model discloses in, arc splint 7's top and bottom all have two fixed blocks 15 through welded fastening installation, the spout has been seted up on the fixed block 15, slidable mounting has connecting axle 14 in the spout, connecting axle 14's one end extends to the outside of corresponding fixed block 15 and installs on the inner wall in protection chamber 2 through welded fastening, two arc splint 7 slide to one side that is close to each other and carry out the centre gripping extrusion to same sealing joint 5 to the realization is to sealing joint 5's fastening, prevents that sealing joint 5 is not hard up.
In the utility model, one end of a transmission shaft 16 is rotatably installed on a spring slide block 11, the other end of the transmission shaft 16 is rotatably installed with a connecting block 17, one side of the connecting block 17 is fixedly installed on a corresponding power cable 4 by welding, two second spring grooves 19 are respectively arranged on the inner walls of the two sides of a protection cavity 2, a pull rod 18 is slidably installed in the second spring grooves 19, one end of the pull rod 18 is fixedly installed with one end of a second spring 20 by welding, the other end of the second spring 20 is fixedly installed on the inner wall of the corresponding second spring groove 19 by welding, the other end of the pull rod 18 extends into the protection cavity 2 and is fixedly installed on the corresponding connecting block 17 by welding, when the power cable 4 is moved by external force, the power cable 4 drives the two connecting blocks 17 to move, the connecting block 17 drives the pull rod 18 to slide in the second spring grooves 19 to drive the second spring 20 to, and simultaneously the connecting block 17 pulls one end of the corresponding transmission shaft 16 to rotate and move.
The working principle is as follows: when the power cable 4 is moved by external force, the power cable 4 drives the two connecting blocks 17 to move, the connecting blocks 17 drive the pull rod 18 to slide in the second spring groove 19 to drive the second spring 20 to contract under force, meanwhile, the connecting blocks 17 pull one end of the corresponding transmission shaft 16 to move in a rotating manner, the transmission shaft 16 drives the corresponding spring slide block 11 to slide, the spring slide block 11 drives the extrusion rod 13 to rotate, the extrusion rod 13 rotates to extrude the arc-shaped clamping plate 7 to slide, the sliding of the arc-shaped clamping plate 7 is not deviated due to the sliding connection of the fixing block 15 and the connecting shaft 14, the two arc-shaped clamping plates 7 can clamp the sealing joint 5 when the sealing joint 5 retracts or moves by external force, and the moving amplitude of the power cable 4 is increased, so that the two arc-shaped clamping plates 7 clamp the sealing joint 5 more tightly, and meanwhile, the spring slide block 11 is reset after being moved by the elastic force of the, thereby achieving protection of the sealing joint 5.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. The utility model provides a power cable intermediate head sealing device, includes protection seat (1), its characterized in that, protection chamber (2) have been seted up on protection seat (1), and connecting hole (3) have all been seted up to the both sides of protection seat (1), and two connecting holes (3) and same protection chamber (2) intercommunication all are equipped with power cable (4) in two connecting holes (3), and one side that two power cable (4) are close to each other is equipped with same sealing joint (5), the both sides of protection seat (1) all are equipped with sealing washer (6), and two sealing washer (6) overlap respectively and locate on two power cable (4), mounting hole (8) have been seted up at the top of protection seat (1), are equipped with in mounting hole (8) and seal up piece (9).
2. The sealing device for the middle joint of the power cable as claimed in claim 1, wherein the top and the bottom of the power cable (4) are provided with arc-shaped clamping plates (7), the two arc-shaped clamping plates (7) are matched with each other, the top inner wall and the bottom inner wall of the protection cavity (2) are provided with first spring grooves (10), the first spring grooves (10) are internally provided with spring sliding blocks (11) in a sliding manner, one side of each spring sliding block (11) is fixedly provided with one end of a first spring (12), and the other end of each first spring (12) is fixedly arranged on the inner wall of the corresponding first spring groove (10).
3. A power cable intermediate joint sealing device according to claim 2, wherein the same limiting shaft is fixedly mounted on both side inner walls of the first spring groove (10), the spring sliding block (11) is slidably mounted on the corresponding limiting shaft, the bottom of the spring sliding block (11) extends into the protection cavity (2), one end of the extrusion rod (13) is rotatably mounted on the spring sliding block (11), and the other end of the extrusion rod (13) is rotatably mounted on the corresponding arc-shaped clamping plate (7).
4. The sealing device for the middle joint of the power cable according to claim 2, wherein two fixing blocks (15) are fixedly mounted at the top and the bottom of the arc-shaped clamping plate (7), sliding grooves are formed in the fixing blocks (15), connecting shafts (14) are slidably mounted in the sliding grooves, and one ends of the connecting shafts (14) extend to the outer sides of the corresponding fixing blocks (15) and are fixedly mounted on the inner wall of the protection cavity (2).
5. The sealing device for the intermediate joint of the power cable as claimed in claim 2, wherein one end of the transmission shaft (16) is rotatably mounted on the spring sliding block (11), the other end of the transmission shaft (16) is rotatably mounted on the connecting block (17), one side of the connecting block (17) is fixedly mounted on the corresponding power cable (4), two second spring grooves (19) are formed in the inner walls of the two sides of the protection cavity (2), the pull rod (18) is slidably mounted in the second spring grooves (19), one end of the pull rod (18) is fixedly mounted at one end of the second spring (20), the other end of the second spring (20) is fixedly mounted on the inner wall of the corresponding second spring groove (19), and the other end of the pull rod (18) extends into the protection cavity (2) and is fixedly mounted on the corresponding connecting block (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921152367.XU CN210326991U (en) | 2019-07-22 | 2019-07-22 | Power cable intermediate head sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921152367.XU CN210326991U (en) | 2019-07-22 | 2019-07-22 | Power cable intermediate head sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210326991U true CN210326991U (en) | 2020-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921152367.XU Active CN210326991U (en) | 2019-07-22 | 2019-07-22 | Power cable intermediate head sealing device |
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| Country | Link |
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| CN (1) | CN210326991U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112038795A (en) * | 2020-09-24 | 2020-12-04 | 国网山东省电力公司烟台供电公司 | Bypass cable end for distribution line ground potential live working |
| CN112152181A (en) * | 2020-08-25 | 2020-12-29 | 武汉船用机械有限责任公司 | Automatic locking stuffing box |
| CN114421235A (en) * | 2022-03-28 | 2022-04-29 | 武汉中科海讯电子科技有限公司 | Automatic butt joint and release device for towing cables |
-
2019
- 2019-07-22 CN CN201921152367.XU patent/CN210326991U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112152181A (en) * | 2020-08-25 | 2020-12-29 | 武汉船用机械有限责任公司 | Automatic locking stuffing box |
| CN112038795A (en) * | 2020-09-24 | 2020-12-04 | 国网山东省电力公司烟台供电公司 | Bypass cable end for distribution line ground potential live working |
| CN112038795B (en) * | 2020-09-24 | 2022-04-08 | 国网山东省电力公司烟台供电公司 | Bypass cable end for distribution line ground potential live working |
| CN114421235A (en) * | 2022-03-28 | 2022-04-29 | 武汉中科海讯电子科技有限公司 | Automatic butt joint and release device for towing cables |
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