CN114421385A - Combined cable bridge with fixing structure - Google Patents

Abstract

The invention provides a combined cable bridge with a fixing structure, which comprises a groove body structure; protective structure, protective structure is the rectangle structure, and protective structure still including: the protection plate is of a rectangular plate structure, and clamping strips towards the lower end are arranged at the bottoms of the front side and the rear side of the protection plate; the protective structure comprises a protective plate, a connecting shaft, a left connecting shaft, a right groove and a protective structure, wherein the connecting shaft is fixed at the left end position and the right end position of the protective plate; bearing structure, bearing structure adopts telescopic machanism, and the bearing structure joint is installed in the upper end position of adjusting the structure, and fixed knot constructs is installed to the last joint of bearing structure, and cell body structure end-to-end connection installs connection structure, installs when outdoor guard plate takes place to damage, change that can be solitary has avoided too much economic loss.

Description

Combined cable bridge with fixing structure

Technical Field

The invention belongs to the technical field of cable installation equipment, and particularly relates to a combined cable bridge with a fixing structure.

Background

The cable is a device for transmitting high voltage electricity, is mostly used on large-scale equipment in factories, and generally the cable is laid and installed by using a bridge, and the cable bridge comprises a bracket, a supporting arm, an installation accessory and the like. The inner bridge frame of the building can be independently erected and also can be laid on various buildings and pipe gallery supports, the characteristics of simple structure, attractive appearance, flexible configuration, convenient maintenance and the like are reflected, all parts need to be galvanized, and the inner bridge frame is arranged outside the building in the open air.

Application No.: the invention discloses a cable bridge frame with an adjustable wiring assembly, which comprises a frame mounting table, bottom frame rods, transverse frame rods, longitudinal frame rods, an inner frame table, a hydraulic pump, a first bolt plate, side frame rods and a wiring bin, wherein the bottom frame rods are arranged at two ends below two sides of the frame mounting table. The invention has the beneficial effects that: the invention provides the condition of cross-connecting cables through a plurality of through slots in a plurality of bottom frame rods, transverse frame rods, longitudinal frame rods, side frame rods and inner frame rods, improves the accommodation capacity of the cross-connecting cables of the cable bridge, is matched with the wiring bins at two ends of the cable bridge to facilitate the cables to be connected with external electrical appliances after being cross-connected from the frame rods, prevents the cables from being mutually wound and disordered, adjusts the connecting position of the connecting table block and the inner table through sliding the connecting table block left and right in the clamping frame I above the transverse frame rods, ensures that the inner table is more convenient to install and use on one hand, and ensures that the cable bridge can be installed with inner tables with different lengths for wiring and threading on the other hand.

Based on the above, current cable testing bridge is mostly the concatenation installation, and is comparatively loaded down with trivial details during the installation, and cable testing bridge only has single width, can not adjust the adaptation, and the inside fixed cable of cable testing bridge is detained and is the bolt fastening, overhauls to change loaded down with trivial details, and the whole overlength of outside protecting sheathing causes the maintenance difficulty, need all changes after the damage, causes the waste.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a combined cable bridge with a fixing structure is provided to achieve the purpose of higher practical value.

Disclosure of Invention

In order to solve the technical problems, the invention provides a combined cable bridge with a fixing structure, which aims to solve the problems that the existing cable bridge is mostly spliced and installed, the installation is complicated, the cable bridge only has a single width and cannot be adjusted and adapted, cable buckles fixed inside the cable bridge are fixed by bolts, the maintenance and the replacement are complicated, the whole external protective shell is overlong, the maintenance is difficult, the whole cable bridge needs to be replaced after being damaged, the waste is caused, and the like.

The invention relates to a combined cable bridge with a fixing structure, which is achieved by the following specific technical means: a combined cable bridge with a fixing structure comprises a groove body structure; protective structure, protective structure is the rectangle structure, and protective structure still including: the protection plate is of a rectangular plate structure, and clamping strips towards the lower end are arranged at the bottoms of the front side and the rear side of the protection plate; the protective structure comprises a protective plate, a connecting shaft, a left connecting shaft, a right groove and a protective structure, wherein the connecting shaft is fixed at the left end position and the right end position of the protective plate; bearing structure, bearing structure adopts telescopic machanism, and the upper end position at adjusting the structure is installed to the bearing structure joint, and fixed knot constructs are installed to the last joint of bearing structure, and cell body structure end-to-end connection installs connection structure.

Further, the tank structure further comprises: the slotted plate is of a long strip plate structure, the plate surface of the slotted plate is provided with openings which are arranged in a transverse array mode, the slotted plate is provided with two rows of upper and lower rows of openings, and the openings of the upper and lower rows of openings are of a staggered structure; the connecting strip is of a long strip structure, the connecting strip is horizontally fixed at the bottom of the groove plate, and the connecting strip and the groove plate form an L-shaped structure; the top groove is provided with a clamping groove shape in cross section and is arranged on the outer wall of the top end of the groove plate.

Further, the adjusting structure further comprises: the connecting rods are provided with four groups, the root of each group of connecting rods is hinged and mounted on the connecting strip, the connecting positions of the connecting rods are close to each other, the hinged positions of two adjacent groups of connecting rods are provided with gear blocks, and the outer walls of the gear blocks adopt gear tooth structures; the outer wall of the transmission rod is of a threaded structure, the transmission rod is of a transverse structure, and a worm gear structure is fixed at the right end of the transmission rod; the connecting block, the connecting block is provided with two sets ofly altogether, install the sleeve on every group connecting block, the connecting block all with the terminal interconnect of two sets of connecting rods, install the transfer line on the sleeve, the left end connecting block is twisted each other with the transfer line and is connect the installation, the transfer line other end rotates and installs on the connecting block of right side, install vertical regulating spindle on the connecting block of right side, the regulating spindle adopts the worm structure, the regulating spindle constitutes worm gear mechanism with the transfer line each other.

Further, the support structure further comprises: the bearing plate is of a rectangular long plate-shaped structure, the cross section of the bearing plate is of a U-shaped structure, and the bearing plate is of a telescopic structure; the reinforcing block is of a rectangular block structure, is fixed at the position of the tail end of the bearing plate and is of a vertical structure, three groups of mounting holes are formed in the reinforcing block, and clamping plates extending outwards are arranged at the bottom of the reinforcing block; and the fixing bolt is of a short bolt structure and penetrates through the opening of the slotted plate to be fixed on the reinforcing block.

Further, the fixing structure further comprises: the fixing sleeve is of an arch structure and is manufactured by bending a long plate, and the fixing sleeve is clamped and mounted on the bearing plate; the card angle, the card angle is outside convex structure, and the protruding structural chamfer of having seted up, and the card angle is seted up in the left and right sides of fixed cover, and the inboard position of card angle has seted up perpendicular groove, erects five millimeters of inslot interval.

Further, the connection structure further comprises: the sliding plate is of a long strip plate structure, two groups of reinforcing strips are additionally arranged at the bottom of the sliding plate, a sliding groove is formed between the reinforcing strips at two ends of the sliding plate, and holes are formed in the reinforcing strips at two sides of the sliding groove; the connecting plate, the connecting plate is L shape structure, and the bottom of connecting plate sets up to the slider structure, and slider slidable mounting has seted up two sets of waist round holes on the connecting plate in the spout of sliding plate, and connecting plate outer end bottom is provided with the installation piece.

Compared with the prior art, the invention has the following beneficial effects: according to the protective structure, the connecting shafts are fixed on the left and right of the protective plates, so that each group of protective plates are connected, the plurality of groups of protective plates of the connecting shafts are arranged, the cables in the groove body structure can be protected, the protective plates between adjacent groups can be quickly disassembled and assembled through the grooves in the connecting shafts, when the cables are overhauled, one group of protective plates can be independently disassembled, the cables are overhauled more conveniently, the protective plates arranged outdoors can be independently replaced when damaged, and excessive economic loss is avoided.

In the supporting structure of the invention, the bearing plate is clamped on the groove of the groove plate through the extending clamping plate on the bearing plate, the fastening of the subsequent fixing bolt to the bearing plate is facilitated, the fastening and installation of the fixing bolt are facilitated through the reinforcing block provided with three groups of mounting holes, the bearing plate adopting the telescopic structure is favorable for adapting to the effect of the space between the groove plates, the fixing effect of the fixing sleeve on a cable is increased through the fixing sleeve formed by bending the long plate, the convenient installation effect of the fixing sleeve is increased through the convex structure with the chamfer, the fixing sleeve is more convenient to disassemble through the vertical groove of five millimeters, the bearing plate adopting the telescopic mechanism can adapt to the groove plate with any width, the cable is more convenient to install, the connecting structure for fixing the cable can fix the cable through the connecting plate directly, and the complexity of bolt installation is avoided, subsequent maintenance can also save time.

In the connecting structure, the connecting plate is fixed on the trough plate through the bolts through the connecting plate with the waist circular holes, the connecting plate is stably fixed on the sliding plate through the mounting blocks on the connecting plate, the connecting plate is adjusted according to the trough plates with different widths through the plurality of groups of holes on the sliding plate, the connecting plate is stably suitable for the trough plates, and the stabilizing effect of the connecting plate is improved through the sliding blocks at the bottom of the connecting plate.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the regulating structure of the present invention.

Fig. 3 is a schematic view of the internal structure of the groove plate of the present invention.

Fig. 4 is a schematic sectional view of the grooved plate according to the present invention.

Fig. 5 is a schematic view of the sliding panel structure of the present invention.

Fig. 6 is a schematic view of the sliding panel mounting structure of the present invention.

Fig. 7 is a schematic view of the connection plate structure of the present invention.

FIG. 8 is a schematic view of the structure of the carrier plate of the present invention.

Fig. 9 is a schematic view of the structure of the fixing sleeve of the present invention.

Fig. 10 is a schematic view of the present invention at a part enlarged in fig. 2.

Fig. 11 is a schematic view of the present invention at a part B enlarged in fig. 3.

Fig. 12 is a partial enlarged structural view at C in fig. 4 according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a tank structure; 101. a groove plate; 102. a connecting strip; 103. a top groove; 2. a protective structure; 201. a protection plate; 202. a connecting shaft; 3. an adjustment structure; 301. a transmission rod; 302. a connecting rod; 303. connecting blocks; 304. an adjustment shaft; 305. a gear block; 4. a support structure; 401. a carrier plate; 402. fixing the bolt; 403. a reinforcing block; 5. a fixed structure; 501. fixing a sleeve; 502. clamping a corner; 6. a connecting structure; 601. a sliding plate; 602. a connecting plate.

Detailed Description

The first embodiment is as follows: as shown in figures 1 to 12: the invention provides a combined cable bridge with a fixing structure, which comprises a groove body structure 1; protective structure 2, protective structure 2 are the rectangle structure, and protective structure 2 is still including: the protection plate 201 is of a rectangular plate structure, and clamping strips towards the lower end are arranged at the bottoms of the front side and the rear side of the protection plate 201; the cable protection device comprises a connecting shaft 202, the connecting shaft 202 is fixed at the left end position and the right end position of a protection plate 201, the left connecting shaft 202 is of an extending shaft structure, the right connecting shaft 202 is of a slotted shape, a slot is formed in a groove body of the connecting shaft 202, the connection of each group of protection plates 201 is realized through the connecting shaft 202 fixed at the left position and the right position of the protection plates 201, a plurality of groups of protection plates 201 of the connecting shaft 202 are arranged, the protection of cables in a groove body structure 1 is facilitated, the quick disassembly and assembly of the adjacent protection plates 201 are realized through the slot in the connecting shaft 202, when the cables are overhauled, one group of protection plates 201 can be independently disassembled, the cables are more convenient to overhaul, a protection structure 2 is clamped and installed at the top of the groove body structure 1, and an adjusting structure 3 is installed at the bottom of the groove body structure 1; wherein, cell body structure 1 still includes: the slotted plate 101 is of a long-strip plate structure, openings are formed in the surface of the slotted plate 101 and are arranged in a transverse array mode, the slot is provided with two rows of upper and lower rows, and the openings of the upper and lower rows are of a staggered structure; the connecting strip 102 is of a long strip structure, the connecting strip 102 is horizontally fixed at the bottom of the groove plate 101, and the connecting strip 102 and the groove plate 101 form an L-shaped structure; top groove 103, top groove 103 cross-section is the draw-in groove shape, top groove 103 is seted up on the outer wall on frid 101 top, opening through seting up on frid 101, the installation of convenient bearing structure 4 has been realized, opening row through staggered structure, the intensity that can not hinder frid 101 has been reached, connecting strip 102 through with frid 101 interconnect, the effect of supplementary regulation structure 3 installation has been realized, constitute L shape structure through frid 101 and connecting strip 102, the firm of frid 101 has been increased, set up the top groove 103 at frid 101 top, be favorable to protective structure 2's joint installation.

Wherein, adjust structure 3 still includes: the connecting rods 302 are provided with four groups of connecting rods 302, the root of each group of connecting rods 302 is hinged and mounted on the connecting strip 102, the connecting positions of the connecting rods 302 are close to each other, the hinged positions of two adjacent groups of connecting rods 302 are provided with gear blocks 305, and the outer walls of the gear blocks 305 adopt gear tooth structures; the outer wall of the transmission rod 301 is of a threaded structure, the transmission rod 301 is of a transverse structure, and a worm gear structure is fixed at the right end of the transmission rod 301; the two groups of connecting blocks 303 are arranged, a sleeve is arranged on each group of connecting blocks 303, the connecting blocks 303 are connected with the tail ends of the two groups of connecting rods 302, a transmission rod 301 is arranged on each sleeve, the left-end connecting block 303 and the transmission rod 301 are connected and installed in a screwed mode, the other end of the transmission rod 301 is rotatably installed on the right-side connecting block 303, a vertical adjusting shaft 304 is installed on the right-side connecting block 303, the adjusting shaft 304 adopts a worm structure, the adjusting shaft 304 and the transmission rod 301 form a worm and gear mechanism, the four groups of connecting rods 302 form a scissor mechanism through the four groups of connecting rods 302 which are hinged, the effect that the two adjacent groups of connecting rods 302 can swing symmetrically is realized through the gear block 305 installed at the hinged position of each group of connecting rods 302, the subsequently adjusted scissor mechanism is more stable, the tail ends of each group of connecting rods 302 are connected through the connecting blocks 303, and the transmission rods 301 are simultaneously connected and installed on the two groups of connecting blocks 303, through worm gear mechanism, realized regulating shaft 304 to the rotation control of drive rod 301, realized the regulation to two sets of connecting blocks 303 interval through pivoted drive rod 301, make the interval between frid 101 realize adjusting simultaneously, reach the regulation to frid 101 interval, conveniently pack up when making the frid 101 transport and transport, can not stand and use too much space.

The specific use mode is as follows: during the use, on placing the required bearing position of installing earlier cell body structure 1, outwards stimulate the frid 101 of symmetrical structure separately, by the effect of connecting rod 302 with gear piece 305, the frid 101 of symmetry can outwards expand simultaneously, through rotating transfer line 301, the realization is tightened up connecting block 303 on the connecting rod 302, the completion supports fixed purpose to two sets of frids 101, the worm gear mechanism of installing additional on the transfer line 301, the width fine setting locking effect to frid 101 has been increased.

Example two: bearing structure 4, bearing structure 4 adopt telescopic machanism, and the upper end position at regulation structure 3 is installed to 4 joints of bearing structure, and fixed knot constructs 5 is installed to the joint on the bearing structure 4, and 1 end-to-end connection of cell body structure installs connection structure 6.

Wherein, bearing structure 4 still includes: the loading plate 401 is of a rectangular long plate-shaped structure, the section of the loading plate 401 is of a U-shaped structure, and the loading plate 401 adopts a telescopic structure; the reinforcing block 403 is of a rectangular structure, the reinforcing block 403 is fixed at the position of the tail end of the bearing plate 401, the reinforcing block 403 is of a vertical structure, three groups of mounting holes are formed in the reinforcing block 403, and clamping plates extending outwards are arranged at the bottom of the reinforcing block 403; fixing bolt 402, fixing bolt 402 is short bolted construction, fixing bolt 402 passes frid 101 opening and fixes on reinforcing block 403, through the extension cardboard on loading board 401, realized with loading board 401 joint on the fluting of frid 101, made things convenient for subsequent fixing bolt 402 to the fastening of loading board 401, through the reinforcing block 403 of seting up three group mounting holes, realized making things convenient for the fastening installation of fixing bolt 402, loading board 401 through adopting extending structure, be favorable to adapting to the effect of interval between the frid 101.

Wherein, fixed knot constructs 5 and still including: the fixing sleeve 501 is of an arch structure, the fixing sleeve 501 is made of a long plate in a bending mode, and the fixing sleeve 501 is clamped and mounted on the bearing plate 401; card angle 502, card angle 502 is outside convex structure, the structural chamfer of having seted up of protrusion, card angle 502 sets up in the left and right sides of fixed cover 501, card angle 502 inboard position has seted up perpendicular groove, erect five millimeters of inslot interval, fixed cover 501 through the bent constitution of long slab, fixed cover 501 has been increased to the fixed effect of cable, through the convex structure that has the chamfer, fixed cover 501's easy to assemble effect has been increased, through the perpendicular groove of five millimeters, it is more convenient to be favorable to dismantling fixed cover 501.

Wherein, connection structure 6 still includes: the sliding plate 601 is of a long-strip plate structure, two groups of reinforcing strips are additionally arranged at the bottom of the sliding plate 601, a sliding groove is formed between the reinforcing strips at two ends of the sliding plate 601, and holes are formed in the reinforcing strips at two sides of the sliding groove; connecting plate 602, connecting plate 602 is the L shape structure, the bottom of connecting plate 602 sets up to the slider structure, slider slidable mounting has been seted up two sets of waist round holes on the connecting plate 602 in the spout of sliding plate 601, connecting plate 602 outer end bottom is provided with the installation piece, through the connecting plate 602 that has waist round hole, it fixes on frid 101 to have realized connecting plate 602 through the bolt, through the installation piece on connecting plate 602, reached and firmly fixed connecting plate 602 on sliding plate 601, through the multiunit trompil on sliding plate 601, it adjusts according to the frid 101 of different widths to have realized connecting plate 602, make connecting plate 602 stable be applicable to on frid 101, through the sliding block of connecting plate 602 bottom, the stable effect of connecting plate 602 has been increased.

The specific use mode is as follows: with the temporary joint of loading board 401 through extending the cardboard, confirm the position of loading board 401 after, it is direct to realize fixed the fastening of loading board 401 through fixing bolt 402, the loading board 401 of telescopic machanism is adopted, can adapt to the frid 101 of arbitrary width, it is more convenient to make cable installation, fixing cable's connection structure 6 is direct to pass through connecting plate 602, can accomplish the fixed to the cable, bolt installation's loaded down with trivial details has been avoided, follow-up maintenance also can save time, the guard plate 201 that the joint was fixed on cell body structure 1 comprises the multiunit, connect the fluting of seting up on the connecting axle 202 of guard plate 201, the dismantlement of guard plate 201 between convenient adjacent has, when making cable maintenance, dismantle guard plate 201 alone can, when installing outdoor guard plate 201 and taking place to damage, can solitary change, too much economic loss has been avoided.

Example three: wherein connection structure 6 can also install in the corner position, installs the extension board that has the waist round hole additional on outer end connecting plate 602, reaches to let connecting plate 602 and sliding plate 601 constitute the turning board that the angle is fifteen degrees, makes connection structure 6 make up according to the needs of difference, makes connection structure 6 can be adapted to the cable corner of different angles.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (9)

1. The utility model provides a combination formula cable testing bridge with fixed knot constructs which characterized in that: comprises a groove body structure (1); the protective structure (2) is of a rectangular structure, the protective structure (2) is clamped and mounted at the top of the groove body structure (1), and the bottom of the groove body structure (1) is connected and mounted with an adjusting structure (3); bearing structure (4), telescopic machanism is adopted in bearing structure (4), and bearing structure (4) joint is installed in the upper end position of adjusting structure (3), and fixed knot constructs (5) are installed to joint on bearing structure (4), and connection structure (6) are installed to cell body structure (1) end-to-end connection.

2. The modular cable tray with securement structure as in claim 1, wherein: the tank body structure (1) further comprises: the slotted plate (101) is of a long-strip plate structure, the plate surface of the slotted plate (101) is provided with openings which are arranged in a transverse array mode, the slots are provided with two rows of upper and lower rows, and the openings of the upper and lower rows are of a staggered structure; the connecting strip (102), the connecting strip (102) is a long strip structure, the connecting strip (102) is horizontally fixed at the bottom of the groove plate (101), and the connecting strip (102) and the groove plate (101) form an L-shaped structure; the cross section of the top groove (103) is in a clamping groove shape, and the top groove (103) is formed in the outer wall of the top end of the groove plate (101).

3. The modular cable tray with securement structure as in claim 1, wherein: the protective structure (2) further comprises: the protection plate (201), the protection plate (201) is of a rectangular plate structure, and clamping strips towards the lower end are arranged at the bottoms of the front side and the rear side of the protection plate (201); the left connecting shaft (202) is of an extending shaft structure, the right connecting shaft (202) is of a slotted shape, and a slot is formed in a slot body of the connecting shaft (202).

4. The modular cable tray with securement structure as in claim 1, wherein: the adjusting structure (3) further comprises: connecting rod (302), connecting rod (302) are provided with four groups altogether, and every group connecting rod (302) root is all articulated to be installed on connecting strip (102), and connecting rod (302) hookup location is pressed close to each other, and adjacent two sets of connecting rod (302) articulated position all adds and is equipped with gear piece (305), and gear piece (305) outer wall adopts the teeth of a cogwheel structure.

5. The modular cable tray with securement structure as in claim 1, wherein: the adjusting structure (3) further comprises: the outer wall of the transmission rod (301) is of a threaded structure, the transmission rod (301) is of a transverse structure, and a worm gear structure is fixed at the right end of the transmission rod (301); connecting block (303), connecting block (303) are provided with two sets ofly altogether, install the sleeve on every group connecting block (303), connecting block (303) all with the terminal interconnect of two sets of connecting rods (302), install transfer line (301) on the sleeve, left end connecting block (303) and transfer line (301) are twisted each other and are connect the installation, transfer line (301) other end is rotated and is installed on right side connecting block (303), install vertical regulating spindle (304) on right side connecting block (303), regulating spindle (304) adopt the worm structure, regulating spindle (304) and transfer line (301) constitute worm gear mechanism each other.

6. The modular cable tray with securement structure as in claim 1, wherein: the support structure (4) further comprises: the bearing plate (401), the bearing plate (401) is a rectangular long plate-shaped structure, the section of the bearing plate (401) is a U-shaped structure, and the bearing plate (401) adopts a telescopic structure; the reinforcing block (403) is of a rectangular block structure, the reinforcing block (403) is fixed at the tail end of the bearing plate (401), the reinforcing block (403) is of a vertical structure, three groups of mounting holes are formed in the reinforcing block (403), and clamping plates extending outwards are arranged at the bottom of the reinforcing block (403); the fixing bolt (402) is of a short bolt structure, and the fixing bolt (402) penetrates through the opening of the groove plate (101) and is fixed on the reinforcing block (403).

7. The modular cable tray with securement structure as in claim 1, wherein: the fixed structure (5) further comprises: the fixing sleeve (501), the fixing sleeve (501) is of an arch structure, the fixing sleeve (501) is made by bending a long plate, and the fixing sleeve (501) is clamped and mounted on the bearing plate (401); the card angle (502), card angle (502) are outside convex structure, and the chamfer has been seted up to the protrusion structural, and card angle (502) are seted up in the left and right sides of fixed cover (501), and perpendicular groove has been seted up to card angle (502) inboard position, and perpendicular inslot interval is five millimeters.

8. The modular cable tray with securement structure as in claim 1, wherein: the connecting structure (6) further comprises: the sliding plate (601), sliding plate (601) are rectangular plate structure, and sliding plate (601) bottom is equipped with two sets of reinforcing strips additional, has seted up the spout between the reinforcing strip of sliding plate (601) both ends, has seted up the trompil on the reinforcing strip of spout both sides.

9. The modular cable tray with securement structure as in claim 1, wherein: the connecting structure (6) further comprises: the connecting plate (602), connecting plate (602) are L shape structure, and the bottom of connecting plate (602) sets up to the slider structure, and slider slidable mounting has seted up two sets of waist round holes in the spout of sliding plate (601) on connecting plate (602), and connecting plate (602) outer end bottom is provided with the installation piece.

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