CN218771075U - Step large-span cable bridge - Google Patents

Abstract

The utility model relates to the technical field of cable bridges, in particular to a step large-span cable bridge, which avoids connecting a side plate and a U-shaped gland plate through bolts, is convenient for workers to rapidly disassemble and assemble the U-shaped gland plate, saves time and labor, is convenient for follow-up workers to overhaul cables, and improves the use convenience of the device; the cable end cover plate comprises a base plate, two sets of side plates and a U-shaped cover plate, wherein the two sets of side plates are symmetrically fixed on the left side and the right side of the top end of the base plate respectively, and a sleeve for erecting a cable is arranged between the two sets of side plates.

Description

Step large-span cable bridge

Technical Field

The utility model relates to a technical field of cable testing bridge especially relates to a big span cable testing bridge of step.

Background

Big span cable testing bridge generally refers to the cable testing bridge of strong point interval more than or equal to 6 meters, generally is ladder type cable testing bridge, and mainly used crosses laying of empty power cable, control cable, lighting lines, telecommunication cable, through in the authorization patent document that retrieval application number is CN201920851783.2, provides a big span cable testing bridge of ladder formula, including first curb plate, second curb plate, crosspiece and bottom plate, first curb plate bottom is passed through bottom plate fixed connection the second curb plate, first curb plate with the gland plate is installed to second curb plate top, through being equipped with gland plate above the crane span structure, is used for preventing the entering of dust, avoids influencing the use of cable in the crane span structure, but discovery in its use, is connected fixedly through the multiunit bolt between gland plate and the curb plate, is not convenient for follow-up staff to the dismouting of gland plate, wastes time and energy, influences follow-up maintenance speed to the cable, leads to the use convenience of device relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an avoided through bolted connection curb plate and U type gland plate, the staff of being convenient for carries out quick dismouting to U type gland plate, labour saving and time saving, and the follow-up staff of being convenient for improves its step large span cable testing bridge that uses the convenience to the maintenance of cable.

The utility model discloses a step large-span cable bridge, comprising a base plate, two sets of curb plates and U-shaped gland plate, two sets of curb plates are symmetrically fixed at the left and right sides of the top end of the base plate respectively, a sleeve for erecting a cable is arranged between the two sets of curb plates, and the U-shaped gland plate can be buckled at the top ends of the two sets of curb plates, the cable bridge is characterized by also comprising two sets of power mechanisms, two sets of transmission mechanisms and a plurality of groups of inserted bars, the two sets of power mechanisms are respectively arranged at the front and back sides of the top part of the U-shaped gland plate, the power mechanisms can drive the transmission mechanisms, the transmission mechanisms are arranged on the two sets of curb plates, and the transmission mechanisms can enable the inserted bars to be slidably connected with the curb plates, slots are arranged at the front and back sides of the inner side walls at the left and right ends of the U-shaped gland plate, and the inserted bars can be inserted into the slots of the U-shaped gland plate; through power unit drive mechanism for drive mechanism drives the inserted bar and removes, thereby makes the quick plug of inserted bar in the slot of U type gland board, has avoided through bolted connection curb plate and U type gland board, and the staff of being convenient for carries out quick dismouting to U type gland board, and labour saving and time saving is convenient for follow-up staff to the maintenance of cable, improves the use convenience of device.

Preferably, the power mechanism comprises a rotating shaft, a rotating handle, a first bevel gear, a second bevel gear, a screw shaft, two groups of fixed blocks, two groups of right-angle sliding blocks and two groups of first wedge-shaped blocks, the rotating shaft is rotatably connected with the front side or the rear side of the U-shaped gland plate, the rotating handle is fixed on the rotating shaft, the first bevel gear is fixed at the bottom end of the rotating shaft, the first bevel gear is in meshing transmission connection with the second bevel gear, the second bevel gear is fixed in the middle of the screw shaft, threads on the left side and the right side of the screw shaft are opposite, the screw shaft is rotatably connected with the two groups of fixed blocks, the two groups of fixed blocks are symmetrically fixed on the left side and the right side of the bottom end of the U-shaped gland plate respectively, the two groups of right-angle sliding blocks are in threaded connection with the left side and the right side of the screw shaft respectively, the two groups of right-angle sliding blocks are slidably clamped with the left side and the right side of the bottom end of the U-shaped gland plate respectively, and the two groups of first wedge-angle sliding blocks can drive the transmission mechanism; the rotating handle is rotated, so that the rotating shaft drives the first bevel gear to rotate, the first bevel gear is in meshed transmission connection with the second bevel gear, the screw shaft is rotated, the two groups of right-angle sliders are enabled to respectively drive the two groups of first wedge blocks to move left and right in opposite directions, the first wedge blocks drive the transmission mechanism, the transmission mechanism drives the inserted bar to move left and right, and power is provided for movement of the inserted bar.

Preferably, the transmission mechanism comprises two groups of second wedge blocks and two groups of pressure springs, the two groups of second wedge blocks are respectively fixed at the inner side ends of the left and right insertion rods at the same side, the first wedge blocks are tightly contacted with the second wedge blocks, the pressure springs are sleeved on the insertion rods, one ends of the pressure springs are connected with the second wedge blocks, and the other ends of the pressure springs are connected with the inner side ends of the side plates; the second wedge block is extruded through the first wedge block, so that the second wedge block drives the inserted bar to move left and right under the matching use of the pressure spring, and the power is transmitted for the movement of the inserted bar.

Preferably, the positioning device further comprises two groups of positioning pins, the right side of the rotating handle is provided with an insertion hole, the front side and the rear side of the top end of the U-shaped gland plate are provided with positioning holes, and the positioning pins can penetrate through the insertion hole of the rotating handle and are inserted into the positioning holes in the top end of the U-shaped gland plate; through setting up the locating pin, be convenient for fix a position the turning handle, avoid the axis of rotation to take place from passing to the inserted bar breaks away from in U type gland plate's the slot when avoiding U type gland plate fixed, improves the stability in use of device.

Preferably, the side plate structure further comprises a plurality of groups of reinforcing plates, the reinforcing plates are uniformly and symmetrically fixed on the left side and the right side of the top end of the bottom plate respectively, and the reinforcing plates are connected with the bottoms of the inner side ends of the two groups of side plates respectively; through setting up the reinforcing plate, strengthen the intensity that curb plate and bottom plate are connected, improve the structural stability of device.

Preferably, the anti-skid device also comprises two groups of anti-skid sleeves which are fixedly sleeved on the two groups of rotating handles respectively; through setting up the antiskid cover, avoid the staff to rotate and take place the phenomenon of skidding when rotating the handle, avoid appearing the damage of colliding with, improve the use reliability of device.

Preferably, the pressure spring is made of spring steel; through setting up spring steel material, improve the structural strength of device, improve the life of device.

Compared with the prior art, the beneficial effects of the utility model are that: through power unit drive mechanism for drive mechanism drives the inserted bar and removes, thereby makes the quick plug of inserted bar in the slot of U type gland board, has avoided through bolted connection curb plate and U type gland board, and the staff of being convenient for carries out quick dismouting to U type gland board, and labour saving and time saving is convenient for follow-up staff to the maintenance of cable, improves the use convenience of device.

Drawings

FIG. 1 is a front sectional view of the present invention;

fig. 2 is a schematic view of the local axial structure of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A according to the present invention;

FIG. 4 is an enlarged schematic view of the structure of the present invention at B in FIG. 1;

in the drawings, the reference numbers: 1. a base plate; 2. a side plate; 3. a U-shaped gland plate; 4. inserting a rod; 5. a rotating shaft; 6. rotating the handle; 7. a first bevel gear; 8. a second bevel gear; 9. a screw shaft; 10. a fixed block; 11. a right-angle slider; 12. a first wedge block; 13. a second wedge block; 14. a pressure spring; 15. positioning pins; 16. a reinforcing plate; 17. an anti-slip sleeve.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Examples

As shown in fig. 1 to 4, two sets of side plates 2 are symmetrically fixed on the left and right sides of the top end of a bottom plate 1, respectively, a sleeve for erecting a cable is arranged between the two sets of side plates 2, and a U-shaped gland plate 3 can be covered on the top end of the two sets of side plates 2, characterized in that a rotating shaft 5 is rotatably connected with the front side or the rear side of the U-shaped gland plate 3, a rotating handle 6 is fixed on the rotating shaft 5, a first bevel gear 7 is fixed on the bottom end of the rotating shaft 5, the first bevel gear 7 is in meshing transmission connection with a second bevel gear 8, the second bevel gear 8 is fixed on the middle part of a screw shaft 9, the threads on the left and right sides of the screw shaft 9 are opposite, the screw shaft 9 is rotatably connected with two sets of fixed blocks 10, the two sets of fixed blocks 10 are symmetrically fixed on the left and right sides of the bottom end of the U-shaped gland plate 3, and two sets of right angle sliders 11 are respectively in screw assembly connection with the left and right sides of the screw shaft 9, two groups of right-angle sliders 11 are respectively clamped with the left side and the right side of the bottom end of the U-shaped gland plate 3 in a sliding mode, two groups of first wedge-shaped blocks 12 are respectively fixed at the outer side ends of the two groups of right-angle sliders 11, the first wedge-shaped blocks 12 are tightly contacted with the second wedge-shaped blocks 13, two groups of second wedge-shaped blocks 13 are respectively fixed at the inner side ends of the left side and the right side of the same side of the bayonet rods 4, the pressure springs 14 are sleeved on the bayonet rods 4, one ends of the pressure springs 14 are connected with the second wedge-shaped blocks 13, the other ends of the pressure springs 14 are connected with the inner side ends of the side plates 2, the bayonet rods 4 are connected with the side plates 2 in a sliding mode, slots are arranged on the front side and the rear side of the inner side walls at the left end and the right end of the U-shaped gland plate 3, the bayonet rods 4 can be inserted into the slots of the U-shaped gland plate 3, inserting holes are arranged on the front side and the rear side of the top end of the U-shaped gland plate 3, the positioning pins 15 can penetrate through the bayonet holes of the rotary handle 6 and can be inserted into the positioning holes at the top end of the U-shaped gland plate 3, a plurality of groups of reinforcing plates 16 are respectively and uniformly and symmetrically fixed at the left side and the right side of the top end of the bottom plate 1, the plurality of groups of reinforcing plates 16 are respectively connected with the bottoms of the inner side ends of the two groups of side plates 2, and two groups of anti-skidding sleeves 17 are respectively and fixedly sleeved on the two groups of rotating handles 6; the U-shaped gland plate 3 is buckled on the two groups of side plates 2, the rotating handle 6 is rotated to enable the rotating shaft 5 to drive the first bevel gear 7 to rotate, the first bevel gear 7 is in meshed transmission connection with the second bevel gear 8, so that the screw shaft 9 rotates, the two groups of right-angle sliders 11 respectively drive the two groups of first wedges 12 to move left and right in opposite directions, at the moment, the first wedges 12 extrude the second wedges 13, the second wedges 13 drive the inserted rod 4 to move left and right under the matching use of the pressure spring 14, so that the inserted rod 4 can be rapidly inserted and pulled in the slot of the U-shaped gland plate 3, the connection of the side plates 2 and the U-shaped gland plate 3 through bolts is avoided, be convenient for the staff carries out quick dismouting to U type gland plate 3, time saving and labor saving, be convenient for follow-up staff overhauls the cable, improve the use convenience of device, later through setting up locating pin 15, be convenient for fix a position rotation handle 6 fixed, avoid axis of rotation 5 to take place from passing, thereby it breaks away from in U type gland plate 3's the slot to avoid inserted bar 4 when U type gland plate 3 is fixed, improve the stability in use of device, then through setting up reinforcing plate 16, strengthen the intensity that curb plate 2 and bottom plate 1 are connected, improve the structural stability of device, and through setting up antiskid cover 17, avoid the staff to rotate and take place the phenomenon of skidding when rotating handle 6, avoid appearing colliding with the damage, improve the use reliability of device.

The utility model discloses a big span cable testing bridge of step, its mounting means, connected mode or the mode of setting are common mechanical type, as long as can reach all can implement of its beneficial effect.

All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (5)

1. A step large-span cable bridge comprises a bottom plate (1), two groups of side plates (2) and a U-shaped gland plate (3), wherein the two groups of side plates (2) are symmetrically fixed on the left side and the right side of the top end of the bottom plate (1) respectively, a sleeve for erecting a cable is arranged between the two groups of side plates (2), and the U-shaped gland plate (3) can be buckled on the top ends of the two groups of side plates (2). The step large-span cable bridge is characterized by further comprising two groups of power mechanisms, two groups of transmission mechanisms and a plurality of groups of insertion rods (4), wherein the two groups of power mechanisms are arranged on the front side and the rear side of the top of the U-shaped gland plate (3) respectively, the power mechanisms can drive the transmission mechanisms, the transmission mechanisms are arranged on the two groups of side plates (2), the insertion rods (4) are in sliding connection with the side plates (2) through the transmission mechanisms, slots are formed in the front side and the rear side of the inner side walls at the left end and the right end of the U-shaped gland plate (3), and the insertion rods (4) can be inserted into the slots of the U-shaped gland plate (3);

the power mechanism comprises a rotating shaft (5), a rotating handle (6), a first bevel gear (7), a second bevel gear (8), a screw shaft (9), two groups of fixing blocks (10), two groups of right-angle sliders (11) and two groups of first wedge blocks (12), the rotating shaft (5) is rotatably connected with the front side or the rear side of the U-shaped gland plate (3), the rotating handle (6) is fixed on the rotating shaft (5), the first bevel gear (7) is fixed at the bottom end of the rotating shaft (5), the first bevel gear (7) is in meshing transmission connection with the second bevel gear (8), the second bevel gear (8) is fixed in the middle of the screw shaft (9), threads on the left side and the right side of the screw shaft (9) are opposite, the screw shaft (9) is rotatably connected with the two groups of fixing blocks (10), the two groups of fixing blocks (10) are symmetrically fixed on the left side and the right side of the bottom end of the U-shaped gland plate (3), the two groups of right-angle sliders (11) are respectively in threaded connection with the left side and the right side of the screw shaft (9), the two groups of right-angle sliders (11) are respectively in clamping connection with the left side and the bottom end of the U-right side of the U-shaped gland plate (3), the two groups of the first wedge blocks (12), the two groups of right-angle sliders (11) are respectively in a sliding connection with the first wedge mechanism, and the first wedge blocks (12);

the transmission mechanism comprises two groups of second wedge blocks (13) and two groups of pressure springs (14), the two groups of second wedge blocks (13) are respectively fixed at the inner side ends of the left side insertion rods (4) and the right side insertion rods (4) on the same side, the first wedge blocks (12) are in close contact with the second wedge blocks (13), the pressure springs (14) are sleeved on the insertion rods (4), one ends of the pressure springs (14) are connected with the second wedge blocks (13), and the other ends of the pressure springs (14) are connected with the inner side ends of the side plates (2).

2. The step large-span cable bridge stand as claimed in claim 1, further comprising two sets of positioning pins (15), wherein the right side of the rotating handle (6) is provided with an insertion hole, the front and rear sides of the top end of the U-shaped gland plate (3) are provided with positioning holes, and the positioning pins (15) can pass through the insertion hole of the rotating handle (6) and be inserted into the positioning holes at the top end of the U-shaped gland plate (3).

3. The step large-span cable bridge stand of claim 1, further comprising a plurality of sets of reinforcing plates (16), wherein the plurality of sets of reinforcing plates (16) are respectively and uniformly and symmetrically fixed on the left and right sides of the top end of the bottom plate (1), and the plurality of sets of reinforcing plates (16) are respectively connected with the bottoms of the inner ends of the two sets of side plates (2).

4. The step large-span cable tray as claimed in claim 1, further comprising two sets of anti-slip sleeves (17), wherein the two sets of anti-slip sleeves (17) are fixedly sleeved on the two sets of rotating handles (6), respectively.

5. The step large-span cable tray of claim 1, wherein the compression spring (14) is made of spring steel.

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