Stress compensation type insulation wire clamp suitable for power distribution network insulation line engineering construction

Abstract

The invention discloses a stress compensation type insulation wire clamp suitable for power distribution network insulation line engineering construction. An insulation upper shell is provided with a wire clamp upper conductive plate mounting groove, and the upper surface of the upper insulation shell is provided with a stress elastic steel plate; the lower insulating shell is provided with a lower conductive plate installation groove, and the lower conductive plate installation groove can achieve small-section wire conversion installation by installing a small-section conversion module. Four wire inlet and outlet ports of the upper insulating shell and the lower insulating shell are respectively provided with a semi-conical insulating cover and a branch wire outlet insulating cover plugging plate; the surface of an upper conductive plate mounting groove is provided with a spiral wire which is matched with a wire for application and increases a contact surface; and the side surface of the upper insulating shell is provided with a drawing and printing ruler for drawing and printing. Insulation protection and wire clamp connection are organically fused into a whole, universality of wires with different diameters is achieved through the small-section conversion module, stress compensation ensures that poor contact and high-temperature hidden dangers do not occur under the working conditions of large load current and thermal expansion and cold contraction, and guarantee is provided for good contact of large-load large-current operation.

Description

Technical Field

[0001] The present invention belongs to the technical field of low-voltage distribution network insulation line engineering construction and equipment operation and maintenance in power systems, and in particular relates to a stress-compensated insulation wire clamp suitable for the construction of medium- and low-voltage insulation line engineering in distribution networks. The present invention is mainly suitable for connecting the main line and branch line drainage lines of medium- and low-voltage systems in distribution networks, connecting and installing the inlet and outlet drainage lines of switches on line poles, connecting and installing the high-voltage drainage lines of transformers and lines, and installing the drainage lines of line arresters. Background Art

[0002] At present, the medium and low voltage distribution network in the power system is the terminal equipment of electricity consumption, and the operation reliability is very important. In the long-term operation process, the equipment used for the installation of insulated line wiring generally adopts conventional non-insulated special-shaped hook wire clamps, which need to be implemented in the application process of secondary insulation protection. The insulation cover used for secondary protection has prominent unsafe hidden dangers such as falling off and insulation failure during long-term operation, and there is also the problem of low construction efficiency. Summary of the invention

[0003] The purpose of the present invention is to integrally die-cast the conductive plate module and the insulating plastic material to achieve insulation protection of the conductive clamp, innovatively use the deformation generated by the stress elastic steel plate to compensate for the contact reliability of the conductive plate fixing groove, and achieve the versatility of the splicing clamp through small-section module conversion. The additional drawing and printing function of the splicing clamp facilitates high-precision and high-efficiency insulation layer stripping accuracy control and operation.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a stress-compensated insulating wire clamp suitable for the construction of insulated line projects in distribution networks, comprising an upper insulating shell and a lower insulating shell; the upper insulating shell is provided with a mounting groove for an upper conductive plate of the wire clamp, and a stress elastic steel plate is installed on the upper surface of the upper insulating shell; the lower insulating shell is provided with a mounting groove for a lower conductive plate, and a small-section conversion module can be installed on the mounting groove of the lower conductive plate to realize the conversion and installation of small-section wires; the four incoming and outgoing ports of the upper insulating shell and the lower insulating shell are respectively provided with a semi-conical insulating cover and a branch line outgoing insulating cover sealing plate, and the surface of the upper conductive plate mounting groove is provided with a spiral wire that increases the contact surface to match the wire application; a drawing ruler for drawing is provided on the side of the upper insulating shell to realize precise control of the stripping of the insulated wire.

[0005] Furthermore, the upper insulating shell and the upper conductive plate mounting groove are an integral die-cast structure, and the lower insulating shell and the lower conductive plate mounting groove are an integral die-cast structure; the conductive parts of the upper conductive plate mounting groove and other parts of the lower conductive plate mounting groove are all sealed in the upper insulating shell and the lower insulating shell to form good insulation protection; the overall structure of the upper insulating shell and the upper conductive plate mounting groove and the overall structure of the lower insulating shell and the lower conductive plate mounting groove are fastened by fastening bolts, flat washers, spring washers, and nuts; the fastening bolts first pass through the bolt stop sleeve and the stress elastic steel plate, and then pass through the bolt insulation sleeve of the upper insulating shell and the bolt insulation through hole of the lower insulating shell to achieve bolt insulation protection; the sealing cap is covered on the bolt brake sleeve for waterproof and dustproof sealing.

[0006] Furthermore, the four ports of the upper and lower insulating shell outlets of the insulating wire clamp are respectively composed of an extended semi-conical insulating cover at the upper insulating shell branch line outlet end, an upper insulating shell branch line outlet plugging plate, an upper insulating shell main line extended semi-conical insulating cover, an upper insulating shell main line extended semi-conical insulating cover, an upper insulating shell branch line extended semi-conical insulating cover and a lower insulating shell branch line outlet end extended semi-conical insulating cover, a lower insulating shell branch line incoming line extended semi-conical insulating cover, a lower insulating shell main line extended insulating cover, and a lower insulating shell main line extended insulating cover to form the insulation interactive protection of the upper and lower shell outlets; the two sides of the upper insulating shell and the lower insulating shell are formed of the extended insulating plate on the side of the upper insulating shell and the side of the lower insulating shell to form interactive insulation protection; the upper insulating shell and the lower insulating shell realize the insulation protection connection and installation of the main line conductor and the branch lead under the tightening action of the tightening bolts.

[0007] Furthermore, a pad is provided above the upper insulating shell, and a stress elastic steel plate is provided above the pad. Under the action of the pad, the stress elastic steel plate and the surface of the upper insulating shell are suspended; two bolt stop sleeves are provided above the stress elastic steel plate; the two bolt stop sleeves are connected into a whole by a stop sleeve connecting plate, and two sealing caps are installed on the two bolt stop sleeves; the prestressed stress compensation of the wire clamp is jointly acted upon by a bolt stop sleeve for limiting the rotation of the bolt, a sealing cap for waterproofing the bolt stop sleeve, a stop sleeve connecting plate, a stress elastic steel plate, and two pads on the upper surface of the upper insulating shell. Under the tightening action of the tightening bolt, the stress elastic steel plate generates deformation stress which is applied to the upper insulating shell and the lower insulating shell. When thermal expansion and contraction occur, causing the contact ability to decrease, the stress is released and effectively compensated, thereby ensuring that the wire is in close contact with the upper and lower conductive plate mounting grooves; the double bolt stop sleeves are connected as a whole by a stop sleeve connecting plate, and the rotation of the bolt when tightened is limited by constraining the tail of the screw.

[0008] Furthermore, the upper insulating shell is provided with two bolt insulating sleeves; the lower insulating shell is respectively provided with bolt insulating through holes; the outer diameter of the bolt insulating sleeve is smaller than the inner diameter of the bolt insulating through hole of the lower insulating shell, and the bolt insulating sleeve is inserted into the insulating through hole of the lower insulating shell during installation to achieve insulation isolation protection between the fastening bolts and the upper and lower conductive plate mounting grooves of the upper and lower insulating shells.

[0009] Furthermore, the raised spiral line arranged on the surface of the upper conductive plate mounting groove and the spiral line groove formed by the hinged wire can form a good embedded complementary contact. Under the torque squeezing action of the tightening bolt, the upper conductive plate mounting groove and the wire can achieve a larger effective contact area and increase the gripping force.

[0010] Furthermore, a marking ruler is arranged on the side of the upper insulating shell, and the distance between the marking rulers is equal to the length of the upper and lower conductive plate installation grooves. The marking ruler is used to quickly mark the insulation layer of the insulated wire to achieve precise control of the stripping length of the insulation layer of the insulated wire.

[0011] Furthermore, four small-section conversion module jacks are provided on the surface of the lower conductive plate mounting groove of the lower insulating shell, a small-section wire groove is provided on the upper part of the small-section conversion module, and two fixed cylinders are provided at the bottom of the small-section conversion module. When the small-section wire is installed and applied, the two cylinders at the bottom of the small-section conversion module are inserted into the small-section conversion module jacks corresponding to the lower conductive plate mounting groove to realize the installation and fixation of the small-section wire.

[0012] Compared with the prior art, the invention has the following beneficial effects: 1) Long-term high-insulation stable operation: Compared with the conventional splicing clamps that require secondary insulation protection, the integrated die-cast insulation splicing clamps have a compact structure, good insulation electrical performance, high withstand voltage strength achieved by adjusting the insulation thickness, good equipment operation reliability, and stable electrical performance during long-term operation, which is beneficial to reducing equipment operation and maintenance costs; 2) The application of integrated die-casting molding and insulation layer stripping length drawing ruler organically integrates the insulation protection and splicing functions of the clamp, and the splicing connection and insulation protection are completed in one step, with high construction efficiency and good construction technology; 3) The splicing clamp realizes backup stress compensation for the whole process of the splicing clamp through stress compensation, prevents stress compensation in the case of poor contact under various external forces, and ensures that poor contact and high temperature hazards do not occur under high load and thermal expansion and contraction conditions; 4) The small cross-section conversion improves the versatility and good current-carrying capacity of the splicing clamp, and the contact surface of the conductive plate innovatively uses a spiral wire embedded in the spiral groove of the conductor to increase the effective contact surface, providing a guarantee for good contact required for high load and high current operation.

[0013] In order to more clearly illustrate the functional characteristics and structural parameters of the present invention, further description is given below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0015] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0016] Figure 2 It is the front view of the overall structure of the present invention;

[0017] Figure 3 It is a side view of the overall structure of the present invention;

[0018] Figure 4 It is a left view of the overall structure of the present invention;

[0019] Figure 5 It is a top view of the overall structure of the present invention;

[0020] Figure 6 This is a front view of the upper housing of the present invention;

[0021] Figure 7 A top view of the upper housing of the present invention;

[0022] Figure 8 It is a side view of the upper shell of the present invention;

[0023] Fig. 9 This is a front view of the lower housing of the present invention;

[0024] Fig.10 It is a top view of the lower shell of the present invention;

[0025] Fig.11 It is a side view of the lower housing of the present invention;

[0026] Fig.12 This is the main view of the small cross-section conversion module;

[0027] Fig.13 It is a top view of a small cross-section conversion module;

[0028] Fig.14 It is a side view of a small cross-section conversion module;

[0029] Fig.15 It is a schematic diagram of a bolt stop sleeve;

[0030] Fig.16 It is the front view of the bolt stop sleeve;

[0031] Fig.17 It is a top view of the bolt stop sleeve;

[0032] Fig.18 This is a schematic diagram of the front of the upper conductive plate;

[0033] Fig.19 It is the front schematic diagram of the lower conductive plate;

[0034] The reference numerals in the figure are: upper insulating shell 01, side extended insulating plate 01-1, upper conductive plate mounting groove 02, small cross-section conversion module 03, lower conductive plate mounting groove 04, lower insulating shell 05, lower insulating shell 05-1, flat gasket 06, spring washer 07, nut 08, fastening bolt 09, bolt tail 09-1, drawing ruler 10, upper insulating shell branch end outlet plugging plate 11, upper insulating shell branch end outlet extended semi-conical insulating cover 11-1, upper insulating shell main line extended semi-conical insulating cover 12, upper insulating shell main line extended semi-conical insulating cover 13, upper insulating shell main line extended semi-conical insulating cover 14, upper insulating shell main line extended semi-conical insulating cover 15, upper insulating shell main line extended semi-conical insulating cover 16, upper insulating shell main line extended semi-conical insulating cover 17, upper insulating shell main line extended semi-conical insulating cover 18, upper insulating shell main line extended semi-conical insulating cover 19, upper insulating shell main line extended semi-conical insulating cover 20, upper insulating shell main line extended semi-conical insulating cover 21, upper insulating shell main line extended semi-conical insulating cover 22, upper insulating shell main line extended semi-conical insulating cover 23, upper insulating shell main line extended semi-conical insulating cover 24, upper insulating shell main line extended semi-conical insulating cover 25, upper insulating shell main line extended semi-conical insulating cover 26, upper insulating shell main line extended semi-conical insulating cover 27, upper insulating shell main line extended semi-conical insulating cover 28, upper insulating shell main line extended semi-conical insulating cover 29, upper insulating shell main line extended semi-conical insulating cover 29, upper insulating shell main line extended semi-conical insulating cover 20, upper insulating shell main line extended semi-conical insulating cover 21, upper insulating shell main line extended semi-conical insulating cover 22, upper insulating shell main line extended semi-conical insulating cover 2 Long semi-conical insulating cover 13, upper insulating shell branch line lengthened semi-conical insulating cover 14, lower insulating shell main line lengthened insulating cover 15, lower insulating shell main line lengthened insulating cover 16, lower insulating shell branch line incoming line lengthened semi-conical insulating cover 17, lower insulating shell branch line outgoing line end lengthened semi-conical insulating cover 18, bolt insulating sleeve 19, bolt insulating through hole 20, cylinder 21, small cross-section conversion module jack 22, spiral wire 23, bolt stop sleeve 24, sealing cap 24-1, stop sleeve connecting plate 24-2, stress elastic steel plate 25, and gasket 26. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0036] The specific implementation of the technical solution disclosed in the present invention is as follows: A new type of connecting wire clamp suitable for the construction of medium and low voltage insulated line engineering in the distribution network is widely used in the installation of medium and low voltage engineering in the distribution network, such as the connection between the line and the branch line drainage line, the connection and installation of the in and out drainage lines of the switch on the line segment column, and the connection and installation of the transformer high-voltage drainage line and the line. The present invention achieves breakthroughs in two aspects: prestress compensation and improving the contact surface capacity of the conductor. A high-elastic stress elastic steel plate is installed on the upper surface of the upper insulating shell. Under the tightening force of the tightening bolts, the stress elastic steel plate is deformed and the output stress is applied to the upper and lower conductive clamps, thereby ensuring the stress compensation of the conductor contact capacity under thermal expansion and contraction or other abnormal conditions, and ensuring that the connecting wire clamp is in good contact without high temperature safety hazards. Except for the wire installation fixing groove, the other metal parts of the conductive upper clamp and the lower clamp of the new insulating splicing clamp are all die-cast in the upper insulating shell and the lower insulating shell. The two sides of the upper insulating shell are elongated structures and the two sides of the lower insulating shell form insulation protection. The four inlet and outlet ports of the upper and lower insulating clamps of the insulating splicing clamp are respectively insulated and protected by elongated alternating semi-conical insulating covers, and the branch line outlet ports are shielded and protected by blocking plates. In order to improve the stripping construction efficiency, the new insulating splicing clamp is innovatively equipped with a marking ruler for marking the stripping length of the insulated wire on one side of the upper insulating shell. During construction, the marking ruler is used to quickly mark the surface of the insulating layer of the insulated wire to ensure that the stripping length is equal to the length of the clamp fixing groove, thereby improving the insulation protection effect. In actual engineering applications, we often encounter situations where the branch conductors have small cross-sections. In order to improve the versatility of the splicing clamp and ensure sufficient contact surface and contact strength for the connection and installation of small-section conductors, an innovative small-section conductor adapter module is used. The module is installed and fixed on the conductive plate mounting groove of the lower main line and branch line through two cylinders (the small-section conversion module is selected according to actual needs: if the main line and branch lines of the line are both large-section conductors, the upper and lower clamps do not need adapter modules. If the main line has large conductors and the branch line has a small cross-section, the upper and lower clamps of the main line of the wire clamp do not need conversion modules, and the branch line can use adapter modules). The upper insulating shell is provided with two cylindrical insulating sleeves that cooperate with the elliptical insulating through holes of the lower insulating shell to realize the fastening bolts passing through the insulating bolt holes to lock the upper and lower insulating shells. The surface of the installation groove of the main line and branch line of the upper conductive plate is provided with a raised spiral line identical to the conductor, which can be embedded in the spiral gap of the conductor, thereby forming better contact ability and increased contact surface through extrusion; the bolt installation anti-rotation is achieved by fixing the hexagonal cap at the tail of the bolt, which consists of a positioning sleeve connecting plate and a sealing cap group, and the two bolt brake sleeves are fixed to the tails of the two bolts through the connecting plate, and the nuts are quickly tightened on one side, and conventional spring washers are used to prevent loosening.

[0037] The new insulating splicing clamp has high insulation characteristics. Except for the conductor installation and fixing groove, the other metal parts of the conductive upper clamp and the lower clamp are all die-cast in the upper insulating shell. The two sides of the upper insulating shell are extended structures and the two sides of the lower insulating shell form insulation protection. The four inlet and outlet ports of the upper and lower insulating shells of the insulating splicing clamp are respectively insulated and protected by extended alternating semi-conical insulating covers, and the branch line outlet port is shielded and protected by a blocking plate.

[0038] In order to improve the efficiency of stripping construction, the new insulated splicing clamp innovatively adopts a marking semicircular key on one side of the upper insulating shell. During construction, the marking ruler is used to quickly mark the surface of the insulation layer of the insulated conductor to achieve precise stripping.

[0039] When branch conductors with small cross-sections are installed and applied, they are not firmly fixed. In order to improve the versatility and installation quality of the connecting wire clamps and ensure the reliable connection and installation of small-section conductors, an innovative small-section conductor transfer module is adopted. The small-section conversion module is selected according to actual needs to ensure that the contact surface of the small-section conductor is large enough after installation.

[0040] The upper insulating shell is provided with two cylindrical insulating sleeves which cooperate with the elliptical insulating through holes of the lower insulating shell, so that the fastening bolts pass through the insulating bolt holes to lock the upper insulating shell and the lower insulating shell.

[0041] The surface of the installation groove of the main line and branch line of the upper conductive plate is provided with a raised spiral line that is the same as the conductor, and the spiral line can be embedded in the spiral gap of the conductor, thereby forming a better contact ability and an increase in the contact surface through extrusion;

[0042] In order to improve the efficiency of wire clamp installation and construction, positioning sleeves and conventional spring washers are used to prevent the bolts from rotating and loosening. Among them, the two bolt brake sleeves are fixed and prevented from rotating through a connecting plate, thereby achieving rapid unilateral tightening of the bolts and nuts.

[0043] Example

[0044] In one embodiment, a stress-compensating insulating wire clamp suitable for use in the construction of an insulating line project in a distribution network is specifically as follows:

[0045] like Figure 1-19As shown, the wire clamp includes an upper insulating shell 01 and a lower insulating shell 05; the upper insulating shell 01 is provided with a wire clamp upper conductive plate mounting groove 02, and a stress elastic steel plate 25 is installed on the upper surface of the upper insulating shell 01; the lower insulating shell 05 is provided with a lower conductive plate mounting groove 04, and a small-section conversion module 03 can be installed on the lower conductive plate mounting groove 04 to realize small-section wire conversion installation; the four incoming and outgoing ports of the upper insulating shell 01 and the lower insulating shell 05 are respectively provided with a semi-conical insulating cover and a branch line outlet insulating cover sealing plate, and the surface of the upper conductive plate mounting groove 02 is provided with a spiral wire 23 for increasing the contact surface to match the wire application; a drawing ruler 10 for drawing is provided on the side of the upper insulating shell 01 to realize precise control of the stripping of the insulated wire.

[0046] Specifically, the upper insulating shell 01 and the upper conductive plate mounting groove 02 are an integral die-cast structure, and the lower insulating shell 05 and the lower conductive plate mounting groove 04 are an integral die-cast structure; the upper conductive plate mounting groove 02 and other conductive parts of the lower conductive plate mounting groove 04 are all sealed in the upper insulating shell 01 and the lower insulating shell 05 to form good insulation protection; the overall structure of the upper insulating shell 01 and the upper conductive plate mounting groove 02 and the overall structure of the lower insulating shell 05 and the lower conductive plate mounting groove 04 are fastened by fastening bolts 09, flat washers 06, spring washers 07, and nuts 08; the fastening bolts 09 pass through the bolt insulation sleeve 19 of the upper insulating shell 01 and the bolt insulation through hole 20 of the lower insulating shell 05 to achieve bolt insulation protection.

[0047] Specifically, the four ports of the upper and lower insulating shell outlets of the insulating wire clamp are respectively composed of the upper insulating shell 01, the upper insulating shell branch line outlet end lengthened semi-conical insulating cover 11-1, the upper insulating shell branch line end outlet plugging plate 11, the upper insulating shell main line lengthened semi-conical insulating cover 12, the upper insulating shell main line lengthened semi-conical insulating cover 13, the upper insulating shell branch line lengthened semi-conical insulating cover 14 and the lower insulating shell 05, the lower insulating shell branch line outlet end lengthened semi-conical insulating cover 18, and the lower insulating shell branch line outlet end lengthened semi-conical insulating cover 19. The extended semi-conical insulating cover 17, the main line extended insulating cover 16 of the lower insulating shell, and the main line extended insulating cover 15 of the lower insulating shell constitute the insulation interactive protection of the upper and lower shell outlets; the two sides of the upper insulating shell 01 and the lower insulating shell 05 are constituted by the side extended insulating plate 01-1 of the upper insulating shell 01 and the side of the lower insulating shell 05-1 to form interactive insulation protection; the upper insulating shell 01 and the lower insulating shell 05 realize the insulation protection connection installation of the main line conductor and the branch lead under the tightening action of the tightening bolts 09.

[0048] like Figure 15-17As shown, specifically, a pad 26 is arranged above the upper insulating shell 01, a stress elastic steel plate 25 is arranged above the pad 26, two bolt stop sleeves 24 are arranged above the stress elastic steel plate 25, the two bolt stop sleeves 24 are connected into a whole by a stop sleeve connecting plate 24-2, and two sealing caps 24-1 are installed on the two bolt stop sleeves 24; the prestress compensation of the wire clamp is jointly acted by the bolt stop sleeve 24 for limiting the rotation of the bolt, the sealing cap 24-1 for waterproofing the bolt stop sleeve 24, the stop sleeve connecting plate 24-2, the stress elastic steel plate 25, and the two pads 26 on the upper surface of the upper insulating shell 01. Under the tightening action of the tightening bolts 09, the stress elastic steel plate 25 generates deformation stress and applies it to the upper shell and the lower shell. Under normal conditions, the stress remains unchanged and the deformation of the elastic steel plate exists for a long time. When thermal expansion and contraction or the bolts loosen, the contact surface pressure of the upper and lower conductive plate mounting grooves will decrease, and the stress stored in the elastic steel plate will be released and applied to the wire clamp conductive plate for effective compensation, thereby ensuring that the wire is in close contact with the upper and lower conductive plate mounting grooves; the double-bolt stop sleeve 24 is connected as a whole by the stop sleeve connecting plate 24-2, and the bolt 09 is limited to rotate when tightened by constraining the screw tail 09-1.

[0049] Specifically, the upper insulating shell 01 is provided with two bolt insulating sleeves 19; the lower insulating shell 05 is respectively provided with bolt insulating through holes 20; the outer diameter of the bolt insulating sleeve 19 is smaller than the inner diameter of the bolt insulating through hole 20 of the lower insulating shell 05. During installation, the bolt insulating sleeve 19 is inserted into the insulating through hole 20 of the lower insulating shell 05 to achieve insulation isolation protection between the upper and lower conductive plate mounting grooves and the fastening bolts 09.

[0050] like Figure 18-19 As shown, specifically, the raised spiral wire 23 arranged on the surface of the upper conductive plate mounting groove 02 can form good embedded contact with the spiral wire of the wire itself, and under the torque extrusion of the tightening bolt 09, the raised spiral wire 23 arranged on the surface of the upper conductive plate mounting groove 02 is completely embedded in the spiral wire groove of the wire, achieving a larger contact surface and gripping force.

[0051] Specifically, a marking ruler 10 is set on the side of the upper insulating shell 01, and the distance between the marking rulers is equal to the length of the upper and lower conductive plate installation grooves. When used, it can quickly mark the insulation layer of the insulated wire, improve the stripping efficiency, and realize precise control of the stripping length of the insulation layer of the insulated wire.

[0052] like Figure 12-14As shown, specifically, four small-section conversion module jacks 22 are provided on the surface of the lower conductive plate mounting slot 04 of the lower insulating shell 05, a small-section wire slot 03-1 is provided on the upper part of the small-section conversion module 03, and two fixed cylinders 21 are provided at the bottom of the small-section conversion module 03. When the small-section wire is installed and applied, the two cylinders 21 at the bottom of the small-section conversion module 03 are inserted into the small-section conversion module jacks 22 corresponding to the lower conductive plate mounting slot 04 to realize the installation and fixation of the small-section wire.

[0053] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0054] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stress compensation insulating wire clamp suitable for the construction of insulation line engineering of distribution network, characterized in that: The invention comprises an upper insulating shell (01) and a lower insulating shell (05); the upper insulating shell (01) is provided with a wire clamp upper conductive plate mounting groove (02), and a stress elastic steel plate (25) is installed on the upper surface of the upper insulating shell (01); the lower insulating shell (05) is provided with a lower conductive plate mounting groove (04), and a small-section conversion module (03) can be installed on the lower conductive plate mounting groove (04) to realize small-section wire conversion installation; the four inlet and outlet ports of the upper insulating shell (01) and the lower insulating shell (05) are respectively provided with a semi-conical insulating cover and a branch outlet insulating cover blocking plate, and the surface of the upper conductive plate mounting groove (02) is provided with a spiral line (23) for increasing the contact surface to match the wire application; a marking ruler (10) for marking is provided on the side of the upper insulating shell (01), so as to realize precise control of the stripping of the insulated wire.

2. The stress-compensating insulating wire clamp suitable for the construction of the insulation line engineering of the distribution network according to claim 1 is characterized in that: The upper insulating shell (01) and the upper conductive plate mounting groove (02) are an integral die-cast structure, and the lower insulating shell (05) and the lower conductive plate mounting groove (04) are an integral die-cast structure; the other conductive parts of the upper conductive plate mounting groove (02) and the lower conductive plate mounting groove (04) are all sealed in the upper insulating shell (01) and the lower insulating shell (05), forming good insulation protection; the upper insulating shell (01) and the upper conductive plate mounting groove (02) are an integral structure, and the lower insulating shell (05) and the lower conductive plate mounting groove (04) are an integral die-cast structure. The overall structure of the mounting groove (04) is fastened by fastening bolts (09), flat washers (06), spring washers (07), and nuts (08); the fastening bolts (09) first pass through the bolt stop sleeve (04) and the stress elastic steel plate (25), and then pass through the bolt insulation sleeve (19) of the upper insulation shell (01) and the bolt insulation through hole (20) of the lower insulation shell (05) to achieve bolt insulation protection; the sealing cap (24-1) is covered on the bolt brake sleeve for waterproof and dustproof sealing.

3. The stress-compensating insulating wire clamp suitable for the construction of the insulation line engineering of the distribution network according to claim 1 is characterized in that: The four ports of the outlet of the upper and lower insulating shells of the insulating wire clamp are respectively composed of an upper insulating shell (01) branch line outlet end lengthened semi-conical insulating cover (11-1), an upper insulating shell branch line end outlet plugging plate (11), an upper insulating shell main line lengthened semi-conical insulating cover (12), an upper insulating shell main line lengthened semi-conical insulating cover (13), an upper insulating shell branch line lengthened semi-conical insulating cover (14), and a lower insulating shell branch line outlet end lengthened semi-conical insulating cover (18) of the lower insulating shell (05), and a lower insulating shell branch line inlet lengthened semi-conical insulating cover (19). The cone insulating cover (17), the lower insulating shell main line extended insulating cover (16), and the lower insulating shell main line extended insulating cover (15) form the insulation interactive protection of the upper and lower shell outlets; the two sides of the upper insulating shell (01) and the lower insulating shell (05) are formed by the side extended insulating plate (01-1) of the upper insulating shell (01) and the side of the lower insulating shell (05-1) to form interactive insulation protection; the upper insulating shell (01) and the lower insulating shell (05) are tightened by the tightening bolts (09) to achieve the insulation protection connection installation of the main line conductor and the branch lead.

4. The stress-compensating insulating wire clamp suitable for the construction of the insulation line engineering of the distribution network according to claim 1 is characterized in that: A cushion block (26) is arranged above the upper insulating shell (01), and a stress elastic steel plate (25) is arranged above the cushion block (26). Under the action of the cushion block (26), the stress elastic steel plate (25) and the surface of the upper insulating shell (01) are suspended in the air; two bolt stop sleeves (24) are arranged above the stress elastic steel plate (25); the two bolt stop sleeves (24) are connected into a whole by a stop sleeve connecting plate (24-2), and two sealing caps (24-1) are installed on the two bolt stop sleeves (24); the prestress compensation of the wire clamp is composed of a bolt stop sleeve (24) for limiting the rotation of the bolt, and a sealing cap (24-1) for waterproofing the bolt stop sleeve (24). -1), a stop sleeve joint plate (24-2), a stress elastic steel plate (25), and two pads (26) on the upper surface of the upper insulating shell (01) work together. Under the tightening action of the tightening bolt (09), the stress elastic steel plate (25) generates deformation stress, which is applied to the upper insulating shell (01) and the lower insulating shell (05). When thermal expansion and contraction occur, causing the contact ability to decrease, the stress is released and effectively compensated, thereby ensuring that the conductor is in close contact with the upper and lower conductive plate installation grooves; the double-bolt stop sleeve (24) is connected as a whole by the stop sleeve joint plate (24-2), and the bolt (09) is restricted from rotating when being tightened by constraining the screw tail (09-1).

5. The stress-compensating insulating wire clamp suitable for the construction of the insulation line engineering of the distribution network according to claim 1 is characterized in that: The upper insulating shell (01) is provided with two bolt insulating sleeves (19); the lower insulating shell (05) is respectively provided with bolt insulating through holes (20); the outer diameter of the bolt insulating sleeve (19) is smaller than the inner diameter of the bolt insulating through hole (20) of the lower insulating shell (05); during installation, the bolt insulating sleeve (19) is inserted into the insulating through hole (20) of the lower insulating shell (05), thereby achieving insulation isolation protection between the fastening bolts (09) and the upper and lower conductive plate installation grooves of the upper and lower insulating shells.

6. The stress-compensating insulating wire clamp suitable for the construction of the insulation line engineering of the distribution network according to claim 1 is characterized in that: The raised spiral line (23) arranged on the surface of the upper conductive plate installation groove (02) and the spiral line groove formed by the hinged wire can form a good embedded complementary contact. Under the torque squeezing action of the fastening bolt (09), the upper conductive plate installation groove (02) and the wire can achieve a larger effective contact surface and increase the gripping force.

7. The stress-compensating insulating wire clamp suitable for the construction of the insulation line engineering of the distribution network according to claim 1 is characterized in that: A marking ruler (10) is arranged on the side of the upper insulating shell (01), and the distance between the marking rulers is equal to the length of the upper and lower conductive plate installation grooves. The marking ruler (10) is used to quickly mark the insulating layer of the insulated wire, thereby realizing accurate control of the stripping length of the insulating layer of the insulated wire.

8. The stress-compensating insulating wire clamp suitable for the construction of the insulation line engineering of the distribution network according to claim 1 is characterized in that: The surface of the lower conductive plate mounting groove (04) of the lower insulating shell (05) is provided with four small-section conversion module jacks (22); the upper part of the small-section conversion module (03) is provided with a small-section wire groove (03-1); the bottom of the small-section conversion module (03) is provided with two fixing cylinders (21); when the small-section wire is installed and applied, the two cylinders (21) at the bottom of the small-section conversion module (03) are inserted into the small-section conversion module jacks (22) corresponding to the lower conductive plate mounting groove (04) to achieve the installation and fixation of the small-section wire.

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