CN113889923A

CN113889923A - Auxiliary fixing and clamping device for cable connection

Info

Publication number: CN113889923A
Application number: CN202111106877.5A
Authority: CN
Inventors: 韩俊宝; 周俊; 朱道进; 朱元忠; 陈安鹏; 郑斌; 陶恒莹; 高美玲; 崇时凤; 杨春红; 夏候东
Original assignee: Anhui Cable Co Ltd
Current assignee: Anhui Cable Co Ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-01-04
Anticipated expiration: 2041-09-22
Also published as: CN113889923B

Abstract

The invention relates to the technical field of cables and discloses a cable connection auxiliary fixing and clamping device which comprises a clamping body, wherein the clamping body comprises a hollow pipe hoop body and accommodating grooves arranged at two ends of the pipe hoop body, clamping components are fixedly arranged on opposite ports at the left end and the right end of each accommodating groove, cutting components are movably arranged on the pipe hoop body on the inner side of each clamping component, an inward-protruding inner bag body is radially and symmetrically fixedly arranged by taking a rotating shaft of the pipe hoop body as a reference, the pipe hoop body comprises a main pipe body and an auxiliary pipe body, a hollow connecting rod with external threads is connected to the end of the main pipe body, internal threads are arranged on the end of the auxiliary pipe body corresponding to the connecting rod for adapting, and two cutting components are sleeved with a screwing body. The invention solves the problems that when two cables need to be connected, the cable joint needs to be cut by the single insulation skin and the two cables need to be respectively wound for connection, so that manpower and material resources are wasted.

Description

Auxiliary fixing and clamping device for cable connection

Technical Field

The invention relates to the technical field of cables, in particular to an auxiliary fixing and clamping device for cable connection.

Background

The high-speed development of cities and the more and more aspects of life depending on electric power are used for transmitting, distributing electric energy or transmitting electric signals, the cable is a common tool in communication engineering, communication refers to information communication and transmission between people or between people and nature through certain behaviors or media, and in a broad sense, two or more parties needing information adopt any method and any medium to accurately and safely transmit information from one party to another party without violating respective wishes, the cable is generally a cable similar to a rope formed by twisting a plurality of wires, and each group of wires are insulated from each other and are often twisted around a center. In the use process of the cable, connection processing is sometimes performed as required.

Consequently cable junction's demand is also bigger and bigger in the construction, the cable size is great, the structure is more complicated, it is constituteed by single strand or stranded wire and insulating layer, it can add the protective covering layer outward, it is inconvenient when peeling off to surely shell connecting current cable, and inefficiency, the operation is complicated, consume a large amount of labours and time, and the constructor fixes or connect the operation to the cable conductor of different specifications, in the work progress, the connection operation of cable needs to be fixed one end, the connection time of extravagant holistic cable, also be a mode that needs to solve.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an auxiliary fixing and clamping device for cable connection, which solves the problems that when two cables are connected, a cable joint needs to be cut by an independent insulation skin, and the two cables are respectively wound for connection, so that manpower and material resources are wasted.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a cable connection auxiliary fixing and clamping device comprises a clamping body, wherein the clamping body comprises a hollow pipe hoop body and accommodating grooves arranged at two ends of the pipe hoop body, clamping assemblies are fixedly arranged on opposite ports at the left end and the right end of each accommodating groove, cutting assemblies are movably arranged on the pipe hoop body on the inner side of each clamping assembly, and inner bag bodies which are inwards and convexly arranged are radially and symmetrically fixedly arranged by taking a rotating shaft of the pipe hoop body as a reference so as to ensure the safety in the clamping body;

the pipe hoop body is including being responsible for the body and assisting the body, wherein is responsible for being connected with the cavity connecting rod of outband screw thread on the end of body, and is equipped with the internal thread on the assisting the body port that corresponds with the connecting rod and carries out the adaptation, and the excircle face of being responsible for on two cutting assembly relative distances overlaps and is equipped with to twist the body soon.

Preferably, the centre gripping subassembly is including interior ring body and outer ring body, wherein there are two buffer plate clamps to be located between interior ring body and the outer ring body, interior ring body comprises two ring pieces around cutting apart, outer ring body includes ring body clamp and two interior crown plates, wherein the diameter that the ring body pressed from both sides is greater than two ring pieces and encloses the diameter of establishing the circle, logical groove has been seted up on the outer disc of ring body clamp, interior crown plate presss from both sides coaxial fixation and interior crown plate movable mounting and ring body clamp with the ring body in, the inboard lateral wall fixed mounting of buffer plate is on corresponding interior ring body and outer ring body, and then the service life of extension interior ring body with the extrusion force of buffering outer ring body to the inner ring body.

Preferably, the ring body presss from both sides two cavity hemicycles that have the notch for the symmetry cutting, and two interior annular plates insert in the cutting face of notch, and its effective length equals ring body and presss from both sides cutting notch length, and equal fixed mounting has flexible fastener on two terminal surfaces that interior annular plate extends to get into the ring body and presss from both sides, has seted up logical groove on the width of fastener and the outer disc that the ring body pressed from both sides and has carried out the adaptation.

Preferably, the cutting assembly comprises a cutting groove formed in the left end and the right end of the pipe hoop body and a cutting lining ring arranged in the cutting groove, wherein a cutter is embedded in the inner circular surface of the cutting lining ring, the cutting lining ring is divided into two half rings, compression springs are embedded and fixedly installed in opposite surfaces between the two half rings, and the compression springs are also fixedly installed on the upper side wall and the lower side wall of the cutting groove and the upper side wall of the cutting lining ring.

Preferably, the compression spring fixedly installed in the cutting lining ring is provided with a free height which is satisfied when the two half rings are attached oppositely, and the outer circular surface of the compression spring is superposed with the outer circular surface of the pipe hoop body.

Preferably, the inner bag body is a circular ring, the diameter of the inner ring of the inner bag body is equal to the maximum diameter of the port of the clamping body, so that the extensibility of the cable is guaranteed, the flame-retardant layers are laid on the side walls, which are in contact with the cable, in the pipe hoop body except the inner bag body, and dry powder is filled in the inner cavity of the inner bag body.

Preferably, the outer annular surface of the ring body clamp is fixedly provided with a bridle which has the same width as the outer annular surface, and the bridle is provided with a notch which has the same width as the through groove.

Preferably, the compression springs arranged on the upper side wall and the lower side wall of the cutting lining ring and the cutting lining ring are obliquely arranged, and an angle of 30 degrees is formed between the compression springs and the horizontal plane so as to meet the requirement of active rebound of the cutting lining ring after the cutting lining ring is stressed to perform passive motion on the pipe hoop body.

Preferably, the accommodating groove is used for accommodating a wire guide with a single diameter, the accommodating groove comprises two same connecting plates, wire passing rings integrally formed with the connecting plates are arranged on opposite surfaces of the two connecting plates in a protruding mode in a back-to-back mode, and threaded holes are formed in connecting surfaces of the connecting plates in a penetrating mode to be fixedly connected.

(III) advantageous effects

Compared with the prior art, the invention provides an auxiliary fixing and clamping device for cable connection, which has the following beneficial effects:

1. the cutting assembly is arranged to cut off two sections of cables to be connected at one time, the cutting assembly is internally provided with the cutting lining ring which is divided into two semi-rings, the compression springs are fixedly embedded in the opposite surface between the two semi-rings and the upper side wall and the lower side wall of the cutting groove, the compression springs are fixedly installed in the compression springs, on one hand, the two semi-rings can be in contact with each other to keep the resilience force for automatic rebound after the cables are cut, so that the intervention of external force is reduced, on the other hand, the relative positions of the cutting lining ring and the cutting groove can be limited, and the phenomenon that the contact between a cutter and the cables is generated due to the fact that the initial state cannot be recovered after the cutting of the cable insulating layer is completed is avoided, so that the overall safety of the device is influenced.

2. The cable is stabilized in the hollow pipe hoop body in the invention through the arranged clamping component, the clamping component clamps the cable through the arrangement of the inner ring body and the outer ring body and the buffer sheet clamped and fixed between the inner ring body and the outer ring body, wherein the ring body clamp of the outer ring body and the two inner ring plates perform adaptive clamping on the cable in different stages through an adjustable clamping mode, the cable is rotatably and coaxially fixed under the cutting condition, and the clamping and fixing after the cutting are completed, so that the practicability and the adaptability of the cable are enhanced.

3. The fire prevention in the pipe hoop body is carried out through the arranged inner bag body, the flame retardant layer is additionally arranged on the inner cavity wall of the hollow pipe hoop body, when open fire appears in the pipe hoop body, the inner bag body is firstly combusted, and dry powder of the inner bag body is discharged to act on the open fire, so that the safety of the fire prevention pipe hoop is enhanced.

4. According to the cable clamping device, the clamping assembly and the accommodating groove are combined, and the accommodating groove is arranged on the cable and then is arranged on the clamping assembly, so that the cable is clamped and fixed doubly, and the stability of the cable clamping device is enhanced.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the pipe clamp body and a portion of the assembly of the present invention;

FIG. 3 is a schematic view of the outer ring structure of the present invention;

FIG. 4 is a schematic view of a cutting assembly according to the present invention;

fig. 5 is a schematic view of the structure of the inner bladder of the present invention.

In the figure: 1. a clamping body; 2. a pipe clamp body; 21. a primary tube; 22. an auxiliary pipe body; 211. a connecting rod; 212. a screw body; 3. a containing groove; 31. a connecting plate; 32. a wire passing ring; 4. a clamping assembly; 41. an inner ring body; 42. an outer ring body; 421. a ring body clamp; 422. an inner ring plate; 43. a buffer sheet; 5. a cutting assembly; 51. cutting the lining ring; 52. a compression spring; 6. an inner bladder body; 61. a flame retardant layer; 62. and (4) dry powder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: a cable connection auxiliary fixing and clamping device comprises a clamping body 1, wherein the clamping body 1 comprises a hollow pipe hoop body 2 and accommodating grooves 3 arranged at two ends of the pipe hoop body 2, clamping components 4 are fixedly arranged on the pipe hoop body 2 at opposite ports at two ends of the accommodating grooves 3 which are respectively arranged at the left and right sides, cutting components 5 are movably arranged on the pipe hoop body 2 at opposite surfaces of the two clamping components 4, inner bag bodies 6 which are inwards and convexly arranged are fixedly arranged in a radial symmetry mode by taking a rotation shaft of the pipe hoop body 2 as a reference, and the installation positions of the inner bag bodies 6 are arranged inside the pipe hoop body 2 at opposite surfaces of the two cutting components 5 so as to ensure the safety in the clamping body 1;

specifically, the pipe hoop body 2 is made of rubber and comprises a main pipe body 21 and an auxiliary pipe body 22, wherein the main pipe body 21 and the auxiliary pipe body 22 are recessed inwards at the cutting component 5 and the inner bag body 6, the end of the main pipe body 21 is connected with a hollow connecting rod 211 provided with external threads, while the port of the auxiliary tube 22 corresponding to the connecting rod 211 is provided with internal threads for adaptation, and the outer circular surface of the main tube 21 at the opposite distance of the two cutting assemblies 5 is sleeved with a screw body 212, wherein the inner diameter value of the hollow connecting rod 211 is equal to the inner diameter value of the inner bag body 6 so as to satisfy the inner diameter penetration inside the pipe hoop body 2, when in specific use, after the insulation layers of the cables at the two ends are cut at the corresponding positions after the main pipe body 21 and the auxiliary pipe body 22 are combined, and the main pipe body 21 and the auxiliary pipe body 22 are screwed to realize the connection and fixation of the cables.

Specifically, the clamping assembly 4 includes an inner ring body 41 and an outer ring body 42, wherein two buffer sheets 43 are clamped between the inner ring body 41 and the outer ring body 42, the inner ring body 41 is composed of a front ring sheet and a rear ring sheet which are divided, the maximum diameter which can be accommodated by the inner ring body 41 is equal to the maximum inner diameter value inside the pipe hoop body 2, the outer ring body 42 includes a ring body clamp 421 and two inner ring plates 422, wherein the diameter of the ring body clamp 421 is larger than the diameter of a circle surrounded by the two ring sheets, a through groove is formed on the outer circumferential surface of the ring body clamp 421, the inner ring plates 422 and the ring body clamp 421 are coaxially fixed, the inner ring plates 422 are movably mounted in the ring body clamp 421, the ring body clamp 421 is two hollow semi-ring bodies symmetrically cut with notches, the two inner ring plates 422 are inserted into the cutting surface of the notches, the effective length is equal to the length of the cutting notches of the ring body clamp 421, and telescopic fasteners are fixedly mounted on two end surfaces of the inner ring plate 422 extending into the ring body clamp 421, the width of fastener and the outer disc of ring body clamp 421 have been seted up on and have been led to the groove and carry out the adaptation, fixed mounting has the band that equals width with the outer disc on the outer disc of ring body clamp 421, set up on the band with lead to the notch that equals width in groove, wherein the height of fastener and the highly sum equivalence in groove of band notch and lead to the groove, lateral wall fixed mounting is in order to cushion outer ring body 42 on corresponding inner ring body 41 and outer ring body 42 the extrusion force of inner ring body 41 and then the use prescription of extension inner ring body 41.

Specifically, the accommodating groove 3 is used for accommodating a single-diameter wire guide, the diameter of the accommodating groove is equal to the maximum inner diameter value of the pipe clamp body 2, the accommodating groove 3 comprises two identical connecting plates 31, wire passing rings 32 integrally formed with the connecting plates 31 are arranged on opposite surfaces of the two connecting plates 31 in a back-to-back protruding mode, threaded holes are formed in connecting surfaces of the connecting plates 31 in a penetrating mode to be fixedly connected, transition plates are fixedly mounted on the bottom surfaces of the connecting plates 31, and the transition plates are fixedly connected with the ring body clamps 421.

When specifically using, at first run through the both ends of cable respectively in the centre gripping subassembly 4 of being responsible for body 21 and supplementary body 22, carry out according to the thickness degree that runs through the cable and to restrainting outer annular body 42 tightly, carry out the lock through the flexible fastener with inner ring plate 422 and the logical groove of ring body clamp 421, carry out the hoop lock with the band after and accomplish fixedly, when needing to remove fixedly, press the fastener after lifting off the band with inner ring plate 422 reverse twitch.

Specifically, the cutting assembly 5 comprises an open-type cutting groove formed in the left end and the right end of the pipe hoop body 2 in the circumferential direction and a cutting lining ring 51 arranged in the cutting groove, wherein a cutter is embedded in the inner annular surface of the cutting lining ring 51, the cutting lining ring 51 is divided into two half rings, a compression spring 52 is embedded and fixedly arranged in the opposite surface between the two half rings, the cutting groove and the upper and lower side walls of the cutting lining ring 51 are also fixedly provided with the compression spring 52, the free height of the compression spring 52 fixedly arranged in the cutting lining ring 51 meets the requirement that the outer circular surface of the two half rings is superposed with the outer circular surface of the pipe hoop body 2 after being attached to the opposite surfaces, the compression springs 52 arranged on the upper and lower side walls of the cutting lining ring 51 are arranged in an inclined manner, and an angle of 30 degrees is formed between the compression springs and the horizontal plane to meet the requirement that the cutting lining ring 51 actively rebounds after being stressed to perform passive movement to the pipe hoop body 2, the section width of the cutter is limited by the cutting groove depth of the pipe hoop body 2, namely after the cutting lining ring 51 rebounds, the cutting surface of the cutter is separated from the contact with the cable and is hidden in the cutting groove, so that the problems that the cable is in contact with the cutter when electrified to cause short circuit and the like are prevented.

Specifically, the inner bag body 6 is made of annular rubber, the diameter of the inner ring of the inner bag body is equal to the maximum diameter of the port of the clamping body 1, the extensibility of the cable is guaranteed, the side wall, which is in contact with the cable, of the pipe hoop body 2 except the inner bag body 6 is provided with the flame retardant layer 61, the inner cavity of the inner bag body 6 is filled with dry powder 62, when the pipe hoop is used specifically, after open flame appears in the pipe hoop body 2, the inner bag body 6 is firstly combusted, and then the dry powder 62 of the inner bag body 6 is discharged to act on the open flame, so that the safety of the pipe hoop is enhanced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamping device is fixed in cable junction is supplementary, includes centre gripping body (1), its characterized in that: the clamping body (1) comprises a hollow pipe hoop body (2) and accommodating grooves (3) which are arranged at two ends of the pipe hoop body (2), wherein clamping assemblies (4) are fixedly arranged on opposite ports at the left end and the right end of each accommodating groove (3), cutting assemblies (5) are movably arranged on the pipe hoop body (2) on the inner side of each clamping assembly (4), and inner bag bodies (6) which are inwards convexly arranged are radially and symmetrically fixedly arranged by taking an autorotation shaft of the pipe hoop body (2) as a reference, so that the safety in the clamping body (1) is guaranteed;

the pipe hoop body (2) comprises a main pipe body (21) and an auxiliary pipe body (22), wherein the end of the main pipe body (21) is connected with a hollow connecting rod (211) with external threads, the end of the auxiliary pipe body (22) corresponding to the connecting rod (211) is provided with internal threads for adaptation, and the outer circular surface of the main pipe body (21) at the relative distance of two cutting assemblies (5) is sleeved with a screwing body (212).

2. A cable connection auxiliary fixing and clamping device according to claim 1, characterized in that: the clamping assembly (4) comprises an inner ring body (41) and an outer ring body (42), wherein two buffer pieces (43) are clamped between the inner ring body (41) and the outer ring body (42), the inner ring body (41) is composed of a front ring piece and a rear ring piece which are divided, the outer ring body (42) comprises a ring body clamp (421) and two inner ring plates (422), the diameter of the ring body clamp (421) is larger than the diameter of a circle surrounded by the two ring pieces, a through groove is formed in the outer circular surface of the ring body clamp (421), the inner ring plates (422) and the ring body clamp (421) are coaxially fixed, the inner ring plates (422) and the ring body clamp (421) are movably installed in the ring body clamp (421), the inner side walls and the outer side walls of the buffer pieces (43) are fixedly installed on the corresponding inner ring body (41) and the outer ring body (42), and the internal extrusion force of the outer ring body (42) is buffered, so that the service life of the inner ring body (41) is prolonged.

3. A cable connection auxiliary fixing and clamping device according to claim 2, characterized in that: the ring body presss from both sides (421) and has two cavity hemicycles of notch for the symmetry cutting, and two interior annular plates (422) insert in the cutting face of notch, and its effective length equals ring body clamp (421) cutting notch length, and equal fixed mounting has flexible fastener on two terminal surfaces that interior annular plate (422) extend to get into ring body clamp (421), has seted up logical groove on the width of fastener and the outer disc of ring body clamp (421) and has carried out the adaptation.

4. A cable connection auxiliary fixing and clamping device according to claim 1, characterized in that: the cutting assembly (5) comprises a cutting groove formed in the left end and the right end of the pipe hoop body (2) and a cutting lining ring (51) arranged in the cutting groove, wherein a cutter is embedded in the inner circular surface of the cutting lining ring (51), the cutting lining ring (51) is divided into two half rings, compression springs (52) are embedded and fixedly installed in opposite surfaces between the two half rings, and the compression springs (52) are also fixedly installed on the upper side wall and the lower side wall of the cutting groove and the cutting lining ring (51).

5. A cable connection auxiliary fixing and clamping device according to claim 4, wherein: the compression spring (52) fixedly arranged in the cutting lining ring (51) is provided with a free height which meets the condition that the outer circular surface of the two semi-rings is superposed with the outer circular surface of the pipe hoop body (2) after the two semi-rings are attached oppositely.

6. A cable connection auxiliary fixing and clamping device according to claim 1, characterized in that: interior utricule (6) are the ring setting, and its inner ring diameter carries out the equivalence with the maximum diameter of centre gripping body (1) port to guarantee the extensibility of cable, and all laid fire-retardant layer (61) on the lateral wall that contacts with the cable in ferrule body (2) except interior utricule (6), it has dry powder (62) to fill in the interior cavity of interior utricule (6).

7. A cable connection auxiliary fixing and clamping device according to claim 3, wherein: the outer ring surface of the ring body clamp (421) is fixedly provided with a bridle with the same width as the outer circular surface, and the bridle is provided with a notch with the same width as the through groove.

8. A cable connection auxiliary fixing and clamping device according to claim 4, wherein: compression springs (52) arranged on the upper side wall and the lower side wall of the cutting lining ring (51) and the cutting lining ring are obliquely arranged, and an angle of 30 degrees is formed between the compression springs and the horizontal plane so as to meet the requirement of active rebound after the cutting lining ring (51) is stressed to perform passive movement to the pipe hoop body (2).

9. A cable connection auxiliary fixing and clamping device according to claim 1, characterized in that: the accommodating groove (3) is used for accommodating a wire guide part with a single diameter, the accommodating groove (3) comprises two same connecting plates (31), wire passing rings (32) which are integrally formed with the connecting plates (31) are arranged on opposite surfaces of the two connecting plates (31) in a back-to-back protruding mode, and threaded holes are formed in connection surfaces of the connecting plates (31) in a penetrating mode to conduct fixed connection.