Step type cable bridge
Technical Field
The utility model relates to the technical field of power equipment, in particular to a stepped cable bridge.
Background
The cable bridge is divided into a groove type, a tray type and a ladder type, consists of a bracket, a supporting arm, an installation accessory and the like, can be independently erected and can also be attached to various buildings and pipe gallery brackets, and the characteristics of simple structure, attractive appearance and flexible configuration are embodied; the ladder type cable bridge has the characteristics of high strength, light weight, low cost, attractive appearance, convenience in installation, good air permeability and the like, is suitable for laying general cables with larger diameters, and is particularly suitable for laying high-voltage and low-voltage cables with large loads.
To the current chinese patent of authorizing bulletin for CN 212162651U at present disclose a ladder formula cable testing bridge, it is through the cooperation of inserted block, fixed block, connecting block, first U template, first slide, first lead screw, first carousel and fixture block, can convenient and fast splice two testing bridges, through the cooperation of second U template, second slide, connecting rod, arc clamp plate, second lead screw and second carousel, can fix the cable by convenient and fast.
But to wherein setting up first lead screw and the second lead screw that is used for fixed cable, it does not have fine locking structure to be used for its locking location, and it produces not hard up problem easily under long-time the use, and then is relatively poor to the stability that the cable is fixed, can not satisfy cable and lay the work demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a stepped cable bridge to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a step type cable bridge comprises a U-shaped plate, a screw rod and a rotary table, wherein a threaded hole is formed in the U-shaped plate, the screw rod penetrates through the threaded hole and is connected with the screw rod in a threaded manner, the rotary table is welded at one end of the screw rod, a fixing body is welded at the side position of the threaded hole of the U-shaped plate, and a locking structure is arranged in the fixing body; one end of the fixing body close to the threaded hole is provided with an arc-shaped surface.
Preferably, the locking structure comprises a movable block, an extrusion chute, a reset spring, a connecting block, an extrusion spring, an arc plate, an anti-skid block, a movable extrusion column, an annular clamping groove and a locking card, wherein the movable block is movably arranged in the movable groove, the movable groove is arranged in the fixed body, the reset spring is integrally formed at one end of the movable block, the connecting block is movably arranged at the other end of the movable block, the extrusion chute is arranged at one side of the movable block, the other end of the reset spring is arranged in the movable groove, the extrusion springs are symmetrically formed at one end of the connecting block, the extrusion springs are integrally formed at the other end of the movable block, the arc plate is welded at the other end of the connecting block, the anti-skid blocks are arranged on the inner side wall of the arc plate at equal intervals, the movable extrusion column is movably arranged in the fixed body and is arranged at the side position of the extrusion chute, one side integrated into one piece of activity extrusion post is provided with first lug, and integrated into one piece is provided with first coupling spring on the first lug to be provided with ring groove on the activity extrusion post, the activity of locking card sets up in the fixed body to the avris position of setting at activity extrusion post, one side integrated into one piece of locking card is provided with the second lug, and integrated into one piece is provided with second coupling spring on the second lug, the one end integrated into one piece of locking card is provided with the pull buckle.
Preferably, the locking clamping pieces correspond to the annular clamping grooves in arrangement position and are the same in arrangement number, and the thickness of the locking clamping pieces is equal to the width of the notches of the annular clamping grooves.
Preferably, the end part of one end of the movable extrusion column, which is close to the extrusion chute, is provided with an arc-shaped curved surface.
Preferably, the length of the movable block is smaller than that of the movable groove in the fixed body.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the case CN 212162651U is improved and optimized, and the screw rod can be well locked and fixed through the arranged locking structure, so that the phenomenon of looseness is avoided, the stability of cable fixation is ensured, the cable laying quality is improved, and the cable laying work requirement is met.
Drawings
FIG. 1 is a schematic view of the structure connection of the utility model;
FIG. 2 is an enlarged view of a portion of the structure shown in FIG. 1;
FIG. 3 is a sectional view showing the connection of the internal structure of the fixing body of the utility model;
fig. 4 is a partially enlarged view of the structure connection in fig. 3 according to the present invention.
In the figure: u template 1, lead screw 2, carousel 3, the fixed body 4, movable block 5, extrusion chute 6, reset spring 7, connecting block 8, extrusion spring 9, arc 10, skid proof block 11, activity extrusion post 12, ring groove 13, locking card 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, and all other embodiments obtained by a person of ordinary skill in the art without any inventive work, belong to the scope of protection of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model discloses a stepped cable bridge, which comprises a U-shaped plate 1, a screw rod 2 and a rotary table 3, wherein a threaded hole is formed in the U-shaped plate 1, the screw rod 2 is arranged in the threaded hole in a penetrating threaded connection mode, the rotary table 3 is welded at one end of the screw rod 2, a fixing body 4 is welded at the side position of the threaded hole of the U-shaped plate 1, a locking structure is arranged in the fixing body 4, and an arc-shaped surface is arranged at one end, close to the threaded hole, of the fixing body 4.
The locking structure comprises a movable block 5, an extrusion chute 6, a reset spring 7, a connecting block 8, an extrusion spring 9, an arc plate 10, an anti-skid bump 11, a movable extrusion column 12, a ring-shaped clamping groove 13 and a locking clamping piece 14, wherein the movable block 5 is movably arranged in a movable groove which is arranged in a fixed body 4, the reset spring 7 is integrally formed at one end of the movable block 5, the length of the movable block 5 is smaller than that of the movable groove in the fixed body 4, the connecting block 8 is movably arranged at the other end of the movable block 5, the extrusion chute 6 is arranged at one side of the movable block 5, the other end of the reset spring 7 is arranged in the movable groove, the extrusion springs 9 are symmetrically arranged at one end of the connecting block 8, the other end of the extrusion spring 9 is integrally formed in the movable block 5, the arc plate 10 is welded at the other end of the connecting block 8, the anti-skid bumps 11 are equidistantly formed on the inner side wall of the arc plate 10, the movable extrusion column 12 is movably arranged in the fixed body 4 and is arranged at the side position of the extrusion chute 6, the end part of the movable extrusion column 12 close to one end of the extrusion chute 6 is provided with an arc-shaped curved surface, one side of the movable extrusion column 12 is integrally provided with a first lug, the first lug is integrally provided with a first connecting spring, and the movable extrusion column 12 is provided with an annular clamping groove 13, a locking clamping piece 14 is movably arranged in the fixed body 4, and is arranged at the side position of the movable extrusion column 12, one side of the locking clamping piece 14 is integrally provided with a second lug, the second lug is integrally provided with a second connecting spring, one end of the locking clamping piece 14 is integrally provided with a pull buckle, here, the number of sets of the locking lugs 14 corresponding to the positions of the ring slot 13 is the same, and the thickness of the locking lugs 14 is equal to the width of the notch of the ring slot 13.
In the utility model, after the screw rod 2 is screwed through the rotary disc 3, the movable extrusion column 12 is pressed, the other end of the movable extrusion column 12 enters the extrusion chute 6 on one side of the movable block 5, the movable block 5 is extruded, the movable block 5 pushes the connecting block 8 and the arc-shaped plate 10, the arc-shaped plate 10 extrudes the side wall of the screw rod 2, the arranged extrusion spring 9 is in an extrusion state, the anti-skid lugs 11 arranged on the arc-shaped plate 10 can improve the friction effect between the arc-shaped plate 10 and the screw rod 2, so that the extrusion locking firmness of the screw rod is improved, until the annular clamping groove 13 arranged on the movable extrusion column 12 reaches the position of the locking clamping piece 14, the locking clamping piece 14 is clamped into the annular clamping groove 13 under the action of the second connecting spring, the position locking of the movable extrusion column 12 is realized, the locking and fixing of the screw rod 2 can be quickly completed, and the cable fixing firmness is improved, simple operation and convenient use.
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 utility model, the scope of which is defined in the appended claims and their equivalents.