CN113612187B - Transformer relay protection circuit connection connects protection device - Google Patents
Transformer relay protection circuit connection connects protection device Download PDFInfo
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- CN113612187B CN113612187B CN202110932568.7A CN202110932568A CN113612187B CN 113612187 B CN113612187 B CN 113612187B CN 202110932568 A CN202110932568 A CN 202110932568A CN 113612187 B CN113612187 B CN 113612187B
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- bottom plate
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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
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
- H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
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Abstract
The invention discloses a protection device for a connection joint of a power transformation relay protection circuit, which comprises a first protection sleeve and a second protection sleeve which are matched with each other, wherein the first protection sleeve and the second protection sleeve have the same structure and are in threaded connection; the first protective sleeve is formed by splicing an upper part and a lower part, the upper part and the lower part of the first protective sleeve are identical in structure and respectively comprise a joint protective section for accommodating a joint, a cable protective section for accommodating a cable, and a connecting section for connecting the joint protective section and the cable protective section. The invention is provided with a first protective sleeve and a second protective sleeve which are mutually matched, wherein the first protective sleeve and the second protective sleeve are formed by splicing an upper part and a lower part, and when the first protective sleeve and the second protective sleeve are connected, a cavity for accommodating a joint is formed by joint protective sections which are spliced with each other, and the joint is coated for protection.
Description
Technical Field
The invention relates to the technical field of joint protection, in particular to a connecting joint protection device for a power transformation relay protection circuit.
Background
The relay protection is an important measure for detecting faults or abnormal conditions occurring in the power system so as to send out alarm signals or directly isolate and remove fault parts.
In the process of relay protection, equipment is usually connected by using a cable, and in the process of connecting the equipment, the fixity of a wire end is general and is easy to pull off, a worker needs to perform wire connection again, time is delayed when the wire connection is repeated, and the equipment can be damaged when the wire connection is serious; in the process of connecting equipment, the wire ends are exposed outside, so that electric shock danger exists, and the life of workers is threatened easily.
Therefore, in view of the above current situation, there is an urgent need to develop a protection device for a connection joint of a power transformation relay protection circuit to overcome the shortcomings in the current practical application.
Disclosure of Invention
The invention aims to provide a protection device for a connection joint of a power transformation relay protection circuit, which is used for solving the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a protection device for a connection joint of a power transformation relay protection circuit comprises a first protection sleeve and a second protection sleeve which are mutually matched, wherein the first protection sleeve and the second protection sleeve have the same structure, and the first protection sleeve is in threaded connection with the second protection sleeve; the first protective sleeve is formed by splicing an upper part and a lower part, the upper part and the lower part of the first protective sleeve have the same structure and respectively comprise a joint protective section for accommodating a joint, a cable protective section for accommodating a cable and a connecting section for connecting the joint protective section and the cable protective section;
the inner sides of the upper part and the lower part of the first protection sleeve are respectively provided with a buffer protection mechanism for placing a joint, each buffer protection mechanism comprises a base, a sliding block, at least one bottom plate and at least two side plates, the base is fixedly connected with the first protection sleeve, a sliding groove is formed in the base, the sliding block is slidably arranged in the sliding groove, and the bottom strand of the sliding block is fixedly connected with the sliding groove through a plurality of buffer springs;
the upper part of the sliding block is provided with the bottom plate, the side edge of the bottom plate is provided with the side plate, one side of the side plate is hinged on the sliding block through a hinge piece and a mounting block, the other side of the side plate is connected with the bottom plate through a connecting piece, the sliding block is also internally provided with an electric push rod, and the output end of the electric push rod is connected with the bottom of the bottom plate; the bottom plate is provided with one block, the side plates are provided with two blocks, and the two side plates are symmetrically arranged on the left side and the right side of the bottom plate; the clamping blocks are arranged on the inner sides of the bottom plate and the side plates and are made of elastic rubber materials.
As a further scheme of the invention: two fixed connection boards are symmetrically arranged on the left side and the right side of the upper portion and the lower portion of the first protection sleeve, and connecting holes are formed in the fixed connection boards.
As a further scheme of the invention: be provided with waterproof sealing mechanism between the upper and lower two parts of first protection cover, waterproof sealing mechanism sets up on joint protection section, linkage segment and cable protection section, and it is including setting up in the spacing sand grip of upper and lower two parts junction and the spacing recess with spacing sand grip looks adaptation.
As a further scheme of the invention: the limiting convex strips are PN water-swelling water stop strips.
As a further scheme of the invention: still locate the outside first sleeve pipe of joint protection section including the cover, the slot that supplies fixed connection board male is seted up to first sheathed tube inboard.
As a further scheme of the invention: the joint protection section is provided with at least one threaded hole, and the first sleeve is provided with a mounting hole matched with the threaded hole.
As a further scheme of the invention: the cable protection device is characterized by further comprising a second sleeve sleeved on the outer side of the cable protection section, an internal thread is arranged inside the second sleeve, and an external thread matched with the internal thread is arranged on the outer side of the cable protection section.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with a first protective sleeve and a second protective sleeve which are mutually matched, wherein the first protective sleeve and the second protective sleeve are spliced by an upper part and a lower part and respectively comprise a joint protective section for accommodating a joint, a cable protective section for accommodating a cable and a connecting section for connecting the joint protective section and the cable protective section, the first protective sleeve and the second protective sleeve are integrally conical, and when the first protective sleeve and the second protective sleeve are connected, the joint protective sections which are mutually spliced form a cavity for accommodating the joint and cover the joint for protection;
2. the buffer protection mechanism is arranged and comprises a base, a sliding block, at least one bottom plate and at least two side plates, the height of the bottom plate is adjusted by adjusting the length of the electric push rod, so that the angle between the bottom plate and the side plates is changed, the buffer protection mechanism can accommodate round joints and joints with other shapes, and joints with different shapes are protected;
3. be provided with waterproof sealing mechanism, waterproof sealing mechanism including set up in the spacing sand grip of upper and lower two parts junction and with the spacing recess of spacing sand grip looks adaptation, spacing sand grip be the water inflation sealing rod is met to the PN, and the water inflation sealing rod is met to the PN, is full of all irregular surfaces, cavity and the clearance of spacing recess, produces huge contact pressure simultaneously, thoroughly prevents into water, carries out water proof to the joint.
Drawings
Fig. 1 is a schematic structural diagram of a protective device for a connection joint of a power transformation relay protection circuit.
Fig. 2 is a schematic structural diagram of a first (second) protective sleeve in a protection device for a connection joint of a power transformation relay protection circuit.
Fig. 3 is a side view of a first (second) protective sleeve of the apparatus for protecting a connection terminal of a power transformation relay protection line.
Fig. 4 is a partially enlarged view of a portion a in fig. 2.
Fig. 5 is a schematic structural diagram of a first bushing in a protection device for a connection joint of a power transformation relay protection circuit.
Fig. 6 is a schematic structural diagram of a second bushing in the protection device for the connection joint of the power transformation relay protection circuit.
In the figure: 1-first protective sleeve, 101-joint protective section, 102-connecting section, 103-cable protective section, 104-fixed connecting plate, 105-limit raised line, 106-limit groove, 2-second protective sleeve, 3-threaded hole, 4-threaded connecting plate, 5-buffer protective mechanism, 501-base, 502-buffer spring, 503-sliding block, 504-electric push rod, 505-bottom plate, 506-side plate, 507-clamping block, 508-connecting piece, 509-mounting block, 6-first sleeve, 601-slot, 602-mounting hole, 7-second sleeve and 701-internal thread.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1 to 3, in an embodiment of the present invention, a power transformation relay protection circuit connection joint protection device includes a first protection sleeve 1 and a second protection sleeve 2 that are adapted to each other, where the first protection sleeve 1 and the second protection sleeve 2 have the same structure, and the first protection sleeve 1 is in threaded connection with the second protection sleeve 2; the first protective sleeve 1 is formed by splicing an upper part and a lower part, the upper part and the lower part of the first protective sleeve 1 have the same structure and respectively comprise a joint protective section 101 for accommodating a joint, a cable protective section 103 for accommodating a cable and a connecting section 102 for connecting the joint protective section 101 and the cable protective section 103, as can be seen from figures 1 and 2, the first protective sleeve and the second protective sleeve are integrally conical, and when the first protective sleeve and the second protective sleeve are connected, the joint protective section 101 spliced with each other forms a cavity for accommodating the joint and covers the joint for protection;
the inner sides of the upper part and the lower part of the first protection sleeve 1 are both provided with a buffer protection mechanism 5 for placing a joint, the buffer protection mechanism 5 comprises a base 501, a sliding block 503, at least one bottom plate 505 and at least two side plates 506, the base 501 is fixedly connected with the first protection sleeve 1, a sliding groove is arranged in the base 501, the sliding block 503 is slidably arranged in the sliding groove, the bottom strand of the sliding block 503 is fixedly connected with the sliding groove through a plurality of buffer springs 502, the upper part of the sliding block 503 is provided with the bottom plate 505, the side plate 506 is arranged at the side edge of the bottom plate 505, one side of the side plate 506 is hinged on the sliding block 503 through a hinge and an installation block 509, and the other side of the side plate 506 is connected with the bottom plate 505 through a connecting piece 508; an electric push rod 504 is further installed in the sliding block 503, the output end of the electric push rod 504 is connected with the bottom of the bottom plate 505, and the height of the bottom plate 505 is adjusted by adjusting the length of the electric push rod 504, so that the angle between the bottom plate 505 and the side plate 506 is changed, the buffer protection mechanism 5 can accommodate circular joints and joints of other shapes, and joints of different shapes are protected;
in the embodiment of the present invention, it should be noted that one bottom plate 505 is provided, two side plates 506 are provided, and the two side plates 506 are symmetrically provided at the left and right sides of the bottom plate 505;
it should be further noted that the connecting member 508 is made of an elastic material, so that the angle between the bottom plate 505 and the side plate 506 can be changed when the bottom plate is adjusted up and down;
still further, the side plate 506 is hinged on the sliding block 503 through a frame;
still further, in the embodiment of the present invention, the inner sides of the bottom plate 505 and the side plate 506 are both provided with a clamping block 507, the clamping block 507 is made of an elastic rubber material, and when the joint is placed, the joint is in contact with the clamping block 507 to perform buffering protection on the joint, so as to prevent the joint from being damaged by an external force.
In the embodiment of the present invention, two fixing connection plates 104 are symmetrically installed on both left and right sides of the upper and lower portions of the first protection cover 1, and the fixing connection plates 104 are provided with connection holes for fixing the two fixing connection plates 104 on the same side, so as to connect and fix the upper and lower portions of the first protection cover 1.
Example 2
Referring to fig. 1 to 3, in an embodiment of the present invention, a power transformation relay protection circuit connection joint protection device includes a first protection sleeve 1 and a second protection sleeve 2 that are adapted to each other, where the first protection sleeve 1 and the second protection sleeve 2 have the same structure, and the first protection sleeve 1 is in threaded connection with the second protection sleeve 2; the first protective sleeve 1 is formed by splicing an upper part and a lower part, the upper part and the lower part of the first protective sleeve 1 have the same structure and respectively comprise a joint protective section 101 for accommodating a joint, a cable protective section 103 for accommodating a cable and a connecting section 102 for connecting the joint protective section 101 and the cable protective section 103, as can be seen from figures 1 and 2, the first protective sleeve and the second protective sleeve are integrally conical, and when the first protective sleeve and the second protective sleeve are connected, the joint protective section 101 spliced with each other forms a cavity for accommodating the joint and covers the joint for protection;
the inner sides of the upper part and the lower part of the first protection sleeve 1 are both provided with a buffer protection mechanism 5 for placing a joint, the buffer protection mechanism 5 comprises a base 501, a sliding block 503, at least one bottom plate 505 and at least two side plates 506, the base 501 is fixedly connected with the first protection sleeve 1, a sliding groove is arranged in the base 501, the sliding block 503 is slidably arranged in the sliding groove, the bottom strand of the sliding block 503 is fixedly connected with the sliding groove through a plurality of buffer springs 502, the upper part of the sliding block 503 is provided with the bottom plate 505, the side plate 506 is arranged at the side edge of the bottom plate 505, one side of the side plate 506 is hinged and arranged on the sliding block 503, and the other side of the side plate 506 is connected with the bottom plate 505 through a connecting piece 508; an electric push rod 504 is further installed in the sliding block 503, the output end of the electric push rod 504 is connected with the bottom of the bottom plate 505, and the height of the bottom plate 505 is adjusted by adjusting the length of the electric push rod 504, so that the angle between the bottom plate 505 and the side plate 506 is changed, the buffer protection mechanism 5 can accommodate circular joints and joints of other shapes, and joints of different shapes are protected;
in the embodiment of the present invention, it should be noted that one bottom plate 505 is provided, two side plates 506 are provided, and the two side plates 506 are symmetrically provided at the left and right sides of the bottom plate 505;
it should be further noted that the connecting member 508 is made of an elastic material, so that the angle between the bottom plate 505 and the side plate 506 can be changed when the bottom plate is adjusted up and down;
still further, the side plate 506 is hinged on the sliding block 503 through a frame;
still further, in the embodiment of the present invention, the inner sides of the bottom plate 505 and the side plate 506 are both provided with a clamping block 507, the clamping block 507 is made of an elastic rubber material, and when the joint is placed, the joint is in contact with the clamping block 507 to perform buffering protection on the joint, so as to prevent the joint from being damaged by an external force.
In the embodiment of the present invention, two fixing connection plates 104 are symmetrically installed on both left and right sides of the upper and lower portions of the first protection cover 1, and the fixing connection plates 104 are provided with connection holes for fixing the two fixing connection plates 104 on the same side, so as to connect and fix the upper and lower portions of the first protection cover 1.
Referring to fig. 1-3 again, the difference between the present embodiment and embodiment 1 is:
a sealing waterproof mechanism is arranged between the upper part and the lower part of the first protective sleeve 1, is arranged on the joint protection section 101 and the cable protection section 103, and comprises a limiting convex strip 105 arranged at the joint of the upper part and the lower part and a limiting groove 106 matched with the limiting convex strip 105;
further, in the embodiment of the present invention, the sealing connection mechanism may also be disposed on the connection segment 102;
still further, in the embodiment of the present invention, the limiting convex strip 105 is a PN water-swelling water stop strip, and the PN water-swelling water stop strip swells when contacting water, so as to fill all irregular surfaces, cavities and gaps of the limiting groove 106, and generate a huge contact pressure, thereby completely preventing water from entering, and performing waterproof protection on the joint.
Example 3
Referring to fig. 1 to 3, in an embodiment of the present invention, a protection device for a connection joint of a power transformation relay protection circuit includes a first protection sleeve 1 and a second protection sleeve 2 that are adapted to each other, where the first protection sleeve 1 and the second protection sleeve 2 have the same structure, and the first protection sleeve 1 is in threaded connection with the second protection sleeve 2; the first protective sleeve 1 is formed by splicing an upper part and a lower part, the upper part and the lower part of the first protective sleeve 1 have the same structure and respectively comprise a joint protective section 101 for accommodating a joint, a cable protective section 103 for accommodating a cable and a connecting section 102 for connecting the joint protective section 101 and the cable protective section 103, as can be seen from figures 1 and 2, the first protective sleeve and the second protective sleeve are integrally conical, and when the first protective sleeve and the second protective sleeve are connected, the joint protective section 101 spliced with each other forms a cavity for accommodating the joint and covers the joint for protection;
the inner sides of the upper part and the lower part of the first protection sleeve 1 are respectively provided with a buffer protection mechanism 5 for placing a joint, each buffer protection mechanism 5 comprises a base 501, a sliding block 503, at least one bottom plate 505 and at least two side plates 506, the base 501 is fixedly connected with the first protection sleeve 1, a sliding groove is formed in the base 501, the sliding block 503 is slidably arranged in the sliding groove, the bottom strand of the sliding block 503 is fixedly connected with the sliding groove through a plurality of buffer springs 502, the upper part of the sliding block 503 is provided with the bottom plate 505, the side plate 506 is arranged at the side edge of the bottom plate 505, one side of each side plate 506 is hinged to the corresponding sliding block 503, and the other side of each side plate 506 is connected with the corresponding bottom plate 505 through a connecting piece 508; an electric push rod 504 is further installed in the sliding block 503, the output end of the electric push rod 504 is connected with the bottom of the bottom plate 505, and the height of the bottom plate 505 is adjusted by adjusting the length of the electric push rod 504, so that the angle between the bottom plate 505 and the side plate 506 is changed, the buffer protection mechanism 5 can accommodate circular joints and joints of other shapes, and joints of different shapes are protected;
in the embodiment of the present invention, it should be noted that one bottom plate 505 is provided, two side plates 506 are provided, and the two side plates 506 are symmetrically provided at the left and right sides of the bottom plate 505;
it should be further noted that the connecting member 508 is made of an elastic material, so that the angle between the bottom plate 505 and the side plate 506 can be changed when the bottom plate is adjusted up and down;
still further, the side plate 506 is hinged on the sliding block 503 through a frame;
further, in the embodiment of the present invention, clamping blocks 507 are installed on the inner sides of the bottom plate 505 and the side plate 506, and the clamping blocks 507 are made of an elastic rubber material, and when the joint is placed, the joint contacts with the clamping blocks 507 to buffer and protect the joint, so that the joint is prevented from being damaged by an external force.
In the embodiment of the present invention, two fixing connection plates 104 are symmetrically installed on both left and right sides of the upper and lower portions of the first protection cover 1, and the fixing connection plates 104 are provided with connection holes for fixing the two fixing connection plates 104 on the same side, so as to connect and fix the upper and lower portions of the first protection cover 1.
Referring to fig. 1-3 again, the difference between the present embodiment and embodiment 1 is:
a sealing waterproof mechanism is arranged between the upper part and the lower part of the first protective sleeve 1, is arranged on the joint protection section 101 and the cable protection section 103, and comprises a limiting convex strip 105 arranged at the joint of the upper part and the lower part and a limiting groove 106 matched with the limiting convex strip 105;
further, in the embodiment of the present invention, the sealing connection mechanism may also be disposed on the connection segment 102;
still further, in the embodiment of the present invention, the limiting convex strip 105 is a PN water-swelling water stop strip, and the PN water-swelling water stop strip swells when contacting water, so as to fill all irregular surfaces, cavities and gaps of the limiting groove 106, and generate a huge contact pressure, thereby completely preventing water from entering, and performing waterproof protection on the joint.
Referring to fig. 5, the present embodiment is different from embodiments 1-2 in that:
the joint protection device further comprises a first sleeve 6 sleeved outside the joint protection section 101, wherein the inner side of the first sleeve 6 is provided with a slot 601 into which the fixed connecting plate 104 is inserted, so that the first sleeve 6 is sleeved outside the joint protection section 101;
furthermore, at least one threaded hole 3 is formed in the joint protection section 101, a mounting hole 602 matched with the threaded hole 3 is formed in the first sleeve 6, and a screw sequentially penetrates through the mounting hole 602 and the threaded hole 3 and then is screwed tightly to fix the first sleeve 6 on the joint protection section 101.
Example 4
Referring to fig. 1 to 3, in an embodiment of the present invention, a protection device for a connection joint of a power transformation relay protection circuit includes a first protection sleeve 1 and a second protection sleeve 2 that are adapted to each other, where the first protection sleeve 1 and the second protection sleeve 2 have the same structure, and the first protection sleeve 1 is in threaded connection with the second protection sleeve 2; the first protective sleeve 1 is formed by splicing an upper part and a lower part, the upper part and the lower part of the first protective sleeve 1 have the same structure and respectively comprise a joint protective section 101 for accommodating a joint, a cable protective section 103 for accommodating a cable and a connecting section 102 for connecting the joint protective section 101 and the cable protective section 103, as can be seen from figures 1 and 2, the first protective sleeve and the second protective sleeve are integrally conical, and when the first protective sleeve and the second protective sleeve are connected, the joint protective section 101 spliced with each other forms a cavity for accommodating the joint and covers the joint for protection;
the inner sides of the upper part and the lower part of the first protection sleeve 1 are respectively provided with a buffer protection mechanism 5 for placing a joint, each buffer protection mechanism 5 comprises a base 501, a sliding block 503, at least one bottom plate 505 and at least two side plates 506, the base 501 is fixedly connected with the first protection sleeve 1, a sliding groove is formed in the base 501, the sliding block 503 is slidably arranged in the sliding groove, the bottom strand of the sliding block 503 is fixedly connected with the sliding groove through a plurality of buffer springs 502, the upper part of the sliding block 503 is provided with the bottom plate 505, the side plate 506 is arranged at the side edge of the bottom plate 505, one side of each side plate 506 is hinged to the corresponding sliding block 503, and the other side of each side plate 506 is connected with the corresponding bottom plate 505 through a connecting piece 508; an electric push rod 504 is further installed in the sliding block 503, the output end of the electric push rod 504 is connected with the bottom of the bottom plate 505, and the height of the bottom plate 505 is adjusted by adjusting the length of the electric push rod 504, so that the angle between the bottom plate 505 and the side plate 506 is changed, the buffer protection mechanism 5 can accommodate circular joints and joints of other shapes, and joints of different shapes are protected;
in the embodiment of the present invention, it should be noted that one bottom plate 505 is provided, two side plates 506 are provided, and the two side plates 506 are symmetrically provided at the left and right sides of the bottom plate 505;
it should be further noted that the connecting member 508 is made of an elastic material, so that the angle between the bottom plate 505 and the side plate 506 can be changed when the bottom plate is adjusted up and down;
still further, the side plate 506 is hinged on the sliding block 503 through a frame;
still further, in the embodiment of the present invention, the inner sides of the bottom plate 505 and the side plate 506 are both provided with a clamping block 507, the clamping block 507 is made of an elastic rubber material, and when the joint is placed, the joint is in contact with the clamping block 507 to perform buffering protection on the joint, so as to prevent the joint from being damaged by an external force.
In the embodiment of the present invention, two fixing connection plates 104 are symmetrically installed on both left and right sides of the upper and lower portions of the first protection cover 1, and the fixing connection plates 104 are provided with connection holes for fixing the two fixing connection plates 104 on the same side, so as to connect and fix the upper and lower portions of the first protection cover 1.
Referring to fig. 1-3 again, the difference between the present embodiment and embodiment 1 is:
a sealing and waterproof mechanism is arranged between the upper part and the lower part of the first protective sleeve 1, is arranged on the joint protection section 101 and the cable protection section 103, and comprises a limiting convex strip 105 arranged at the joint of the upper part and the lower part and a limiting groove 106 matched with the limiting convex strip 105;
further, in the embodiment of the present invention, the sealing connection mechanism may also be disposed on the connection segment 102;
still further, in the embodiment of the present invention, the limiting convex strip 105 is a PN water-swelling water stop strip, and the PN water-swelling water stop strip swells when contacting water, so as to fill all irregular surfaces, cavities and gaps of the limiting groove 106, and generate a huge contact pressure, thereby completely preventing water from entering, and performing waterproof protection on the joint.
Referring to fig. 5, the present embodiment is different from embodiments 1-2 in that:
the joint protection device further comprises a first sleeve 6 sleeved outside the joint protection section 101, wherein the inner side of the first sleeve 6 is provided with a slot 601 into which the fixed connecting plate 104 is inserted, so that the first sleeve 6 is sleeved outside the joint protection section 101;
furthermore, at least one threaded hole 3 is formed in the joint protection section 101, a mounting hole 602 matched with the threaded hole 3 is formed in the first sleeve 6, and a screw sequentially penetrates through the mounting hole 602 and the threaded hole 3 and then is screwed tightly to fix the first sleeve 6 on the joint protection section 101.
Referring to fig. 6, the present embodiment is different from embodiments 1 to 3 in that:
the cable protection device further comprises a second sleeve 7 sleeved on the outer side of the cable protection section 103, wherein an internal thread 701 is arranged inside the second sleeve 7, and an external thread (not shown in the figure) matched with the internal thread 701 is arranged on the outer side of the cable protection section 103, so that the second sleeve 7 is fixed on the outer side of the cable protection section 103.
The invention has the beneficial effects that:
1. the invention is provided with a first protective sleeve and a second protective sleeve which are mutually matched, wherein the first protective sleeve and the second protective sleeve are spliced by an upper part and a lower part and respectively comprise a joint protective section for accommodating a joint, a cable protective section for accommodating a cable and a connecting section for connecting the joint protective section and the cable protective section, the first protective sleeve and the second protective sleeve are integrally conical, and when the first protective sleeve and the second protective sleeve are connected, the joint protective sections which are mutually spliced form a cavity for accommodating the joint and cover the joint for protection;
2. the buffer protection mechanism is arranged and comprises a base, a sliding block, at least one bottom plate and at least two side plates, the height of the bottom plate is adjusted by adjusting the length of the electric push rod, so that the angle between the bottom plate and the side plates is changed, the buffer protection mechanism can accommodate circular joints and joints with other shapes, and joints with different shapes are protected;
3. be provided with waterproof sealing mechanism, waterproof sealing mechanism including set up in the spacing sand grip of upper and lower two parts junction and with the spacing recess of spacing sand grip looks adaptation, spacing sand grip be the water inflation sealing rod of PN water inflation, and the water inflation sealing rod of PN water inflation is met water inflation, is full of all irregular surfaces, cavity and the clearance of spacing recess, produces huge contact pressure simultaneously, thoroughly prevents into water, carries out water protection to the joint.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.
Claims (7)
1. The protection device for the connection joint of the power transformation relay protection circuit is characterized by comprising a first protection sleeve (1) and a second protection sleeve (2) which are matched with each other, wherein the first protection sleeve (1) and the second protection sleeve (2) have the same structure, and the first protection sleeve (1) is in threaded connection with the second protection sleeve (2); the first protective sleeve (1) is formed by splicing an upper part and a lower part, the upper part and the lower part of the first protective sleeve (1) are identical in structure and respectively comprise a joint protective section (101) for accommodating a joint, a cable protective section (103) for accommodating a cable and a connecting section (102) for connecting the joint protective section (101) and the cable protective section (103); the inner sides of the upper part and the lower part of the first protection sleeve (1) are respectively provided with a buffer protection mechanism (5) for placing a joint, each buffer protection mechanism (5) comprises a base (501), a sliding block (503), at least one bottom plate (505) and at least two side plates (506), the base (501) is fixedly connected with the first protection sleeve (1), a sliding groove is formed in the base (501), the sliding block (503) is slidably arranged in the sliding groove, and the bottom strand of the sliding block (503) is fixedly connected with the sliding groove through a plurality of buffer springs (502); the upper part of the sliding block (503) is provided with the bottom plate (505), the side edge of the bottom plate (505) is provided with the side plate (506), one side of the side plate (506) is hinged to the sliding block (503) through a hinge and a mounting block (509), the other side of the side plate (506) is connected with the bottom plate (505) through a connecting piece (508), the sliding block (503) is also provided with an electric push rod (504), and the output end of the electric push rod (504) is connected with the bottom of the bottom plate (505); the bottom plate (505) is provided with one block, the side plates (506) are provided with two blocks, and the two side plates (506) are symmetrically arranged at the left side and the right side of the bottom plate (505); clamping blocks (507) are mounted on the inner sides of the bottom plate (505) and the side plates (506), and the clamping blocks (507) are made of elastic rubber materials.
2. The protection device for the connection joint of the power transformation relay protection circuit according to claim 1, wherein two fixed connection plates (104) are symmetrically installed on the left side and the right side of the upper portion and the lower portion of the first protection sleeve (1), and the fixed connection plates (104) are provided with connection holes.
3. The protection device for the connection joint of the power transformation relay protection circuit according to claim 1, wherein a waterproof sealing mechanism is arranged between the upper portion and the lower portion of the first protection sleeve (1), and the waterproof sealing mechanism is arranged on the joint protection section (101), the connection section (102) and the cable protection section (103) and comprises a limit protruding strip (105) arranged at the joint of the upper portion and the lower portion and a limit groove (106) matched with the limit protruding strip (105).
4. The protection device for the connection joint of power transformation relay protection circuits according to claim 3, wherein said limiting convex strip (105) is a PN water-swelling stop strip.
5. The connection joint protection device for the power transformation relay protection circuit according to claim 1, further comprising a first sleeve (6) sleeved outside the joint protection section (101), wherein an insertion slot (601) for inserting the fixing connection plate (104) is formed in the inner side of the first sleeve (6).
6. The connection joint protection device for the power transformation relay protection circuit according to claim 5, wherein at least one threaded hole (3) is formed in the joint protection section (101), and a mounting hole (602) matched with the threaded hole (3) is formed in the first sleeve (6).
7. The protection device for the connection joint of the power transformation relay protection circuit according to claim 1, further comprising a second sleeve (7) sleeved outside the cable protection section (103), wherein an internal thread (701) is arranged inside the second sleeve (7), and an external thread matched with the internal thread (701) is arranged outside the cable protection section (103).
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| CN202110932568.7A CN113612187B (en) | 2021-08-13 | 2021-08-13 | Transformer relay protection circuit connection connects protection device |
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| CN202110932568.7A CN113612187B (en) | 2021-08-13 | 2021-08-13 | Transformer relay protection circuit connection connects protection device |
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| CN113612187B true CN113612187B (en) | 2022-09-06 |
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| CN208401522U (en) * | 2018-06-28 | 2019-01-18 | 包伟川 | A kind of power transformation relay protection circuit jointing protective device |
| CN210111507U (en) * | 2019-06-18 | 2020-02-21 | 王明丽 | Automatic change relay protection screen cable fixing device |
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| CN210224918U (en) * | 2019-08-28 | 2020-03-31 | 南安市三落工业设计有限公司 | Cable connector lug with seal structure |
| CN111045172A (en) * | 2020-01-06 | 2020-04-21 | 顾建荣 | Optical cable joint protection mechanism for laying communication optical cable |
| CN211556754U (en) * | 2020-03-09 | 2020-09-22 | 华迪计算机集团有限公司 | Line protection socket joint and line protection sleeve |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM422799U (en) * | 2011-09-29 | 2012-02-11 | Delta Electronics Inc | Cable coupling protection apparatus and cable with the same |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE29616669U1 (en) * | 1996-09-27 | 1997-01-09 | Siemens AG, 80333 München | Protection device for connectors and connected cables |
| CN206195324U (en) * | 2016-11-29 | 2017-05-24 | 李学省 | Cable is joint area protection device even |
| CN208401522U (en) * | 2018-06-28 | 2019-01-18 | 包伟川 | A kind of power transformation relay protection circuit jointing protective device |
| CN210111507U (en) * | 2019-06-18 | 2020-02-21 | 王明丽 | Automatic change relay protection screen cable fixing device |
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| CN211556754U (en) * | 2020-03-09 | 2020-09-22 | 华迪计算机集团有限公司 | Line protection socket joint and line protection sleeve |
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|---|---|
| CN113612187A (en) | 2021-11-05 |
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