Underground excavation section fixed type cable support

Abstract

The utility model relates to the technical field of cable fixing supports, and provides an underground excavation section fixing type cable support which comprises a middle frame and a top cover, the top cover is inserted in the top of the middle frame, a stand column is arranged on the surface of the middle frame, a clamping assembly is arranged between the stand column and the middle frame, and a supporting assembly is arranged between the middle frame and the stand column. The clamping assembly comprises a pair of sliding rails, the sliding rails are fixed to the two ends of the surface of the middle frame, the stand columns are slidably connected to the sliding rails, through cavities are formed in the stand columns, and supporting screw rods are connected into the through cavities through threads in a screwed mode. According to the technical scheme, the problems that in the related technology, after the cables are buried, the soil texture is soft and needs to be tamped repeatedly after the cables are buried back to the positions dug manually, the cables are extruded by one another due to impact, and the cables are prone to damage to cause skin breakage or excessive extrusion are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable fixing support technical field, specifically, relate to a fixed cable support of cut and cover section. BACKGROUND

[0002] ‌The main method of cut and cover section laying cable includes shallow cut and cover method, shield method and pipe jacking method.‌Among them, shallow cut and cover method is widely applicable, and has strong adaptability to geological conditions and tunnel section size and shape, and does not need special construction machinery, and the technology is relatively easy to master‌.

[0003] After the cable is buried, the position dug by artificial is buried back after the soil is relatively soft, needs repeatedly ramming, and the cable is impacted and extruded mutually, is very easy to cause the condition of broken skin or excessive extrusion, needs to be fixed to the position dug by artificial, and needs to have certain impact resistance.

[0004] Therefore, aiming at the above problem, a cable support for cut and cover section is provided. UTILITY MODEL CONTENTS

[0005] The utility model discloses a cut and cover section fixed cable support, solve the problem that in the related art in the cable burying, the position dug by artificial is buried back after the soil is relatively soft, needs repeatedly ramming, and the cable is impacted and extruded mutually, is very easy to cause the condition of broken skin or excessive extrusion.

[0006] The technical scheme of the utility model is as follows: including

[0007] Middle frame and top cover, the top cover is inserted in the middle frame top portion;

[0008] A pair of stand and clamping assembly, the stand is arranged in the middle frame surface, and the clamping assembly is arranged between the stand and the middle frame;

[0009] Supporting assembly, the supporting assembly is arranged between the middle frame and the stand;

[0010] The clamping assembly includes a pair of slide rails, a pair of slide rails is fixed in the middle frame surface both ends, the stand is slidably connected on the slide rail, and the stand is internally provided with a through cavity, and the through cavity is connected with a supporting screw through screwing in the thread.

[0011] As a further technical scheme, the middle frame both sides are provided with fixed sleeve layers, and the stand side end face is provided with movable sleeve layers, and the fixed sleeve layer and the movable sleeve layer are hollow structures.

[0012] As a further technical scheme, the support assembly comprises a pair of stable plates, the pair of stable plates are movably sleeved on the two side end faces of the intermediate frame, one end of the stable plate is fixedly connected with a side support plate, and the surface of the side support plate is provided with a convex layer.

[0013] As a further technical scheme, the two side end faces of the intermediate frame are each provided with a pair of connecting grooves, the side surface of the stable plate is provided with a pair of connecting rods, and the connecting rod is movably sleeved in the connecting groove.

[0014] As a further technical scheme, the connecting rod and the connecting groove are connected with a spring, the side end face of the stand column and the surface of the side support plate are each provided with a positioning sleeve, and a positioning block is inserted and connected in the positioning sleeve.

[0015] As a further technical scheme, the side end face of the positioning block is provided with a stud, a pair of internal thread sleeves are screwed between the studs in opposite directions, and the outer surface of the internal thread sleeve is a polygonal structure surface.

[0016] As a further technical scheme, the threads of the two ends of the internal thread sleeve are in opposite directions, and the two ends of the internal thread sleeve are respectively a positive screw and a reverse screw.

[0017] As a further technical scheme, the intermediate frame is in a T-shaped structure as a whole, and the bottom surface of the intermediate frame and the lower end surface of the side support plate are at the same plane height.

[0018] As a further technical scheme, the cross sections of the connecting portions of the slide rail and the stand column are all in T-shaped structures.

[0019] The working principle and beneficial effects of the utility model are as follows:

[0020] 1. The clamping assembly is arranged in the utility model, two groups of cables can be clamped in the soil pit firmly through the interaction of the stand column, the slide rail, the cavity, the supporting screw rod, the fixed sleeve layer and the movable sleeve layer, the two groups of cables are separated in the middle, and the cables can be effectively protected from extrusion.

[0021] 2. The support assembly is arranged in the utility model, the two sides of the intermediate frame can be supported through the side support plate through the interaction of the side support plate, the connecting rod, the spring, the positioning sleeve, the positioning block, the stud and the internal thread sleeve, the intermediate frame is fixed in the soil pit stably, the stand column and the side support plate are supported through the cooperation of the stud and the internal thread sleeve, the effect of keeping firm in the soil pit is ensured, and the top cover is matched, so that good protection and use effects are achieved. DRAWINGS

[0022] The utility model will be explained in further detail in combination with the drawings and specific embodiments.

[0023] Fig. 1 is a structural schematic view of the utility model;

[0024] Fig. 2 is an axonometric view of the utility model;

[0025] Fig. 3 is an axonometric sectional view of the utility model;

[0026] Fig. 4 is another axonometric sectional view of the utility model from another perspective;

[0027] In the figure: 1, intermediate frame; 2, top cover; 3, stand; 4, clamping assembly; 4-1, slide rail; 4-2, through cavity; 4-3, support screw; 4-4, fixed sleeve layer; 4-5, movable sleeve layer; 5, support assembly; 5-1, stabilizing plate; 5-2, side bracing plate; 5-3, convex layer; 5-4, connecting groove; 5-5, connecting rod; 5-6, spring; 5-7, positioning sleeve; 5-8, positioning block; 5-9, stud; 5-10, internally threaded sleeve. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are involved in the protection scope of the utility model.

[0029] As shown in Figs. 1-4 , the embodiment provides a fixed cable support for a tunneling section, which comprises

[0030] an intermediate frame 1 and a top cover 2, the top cover 2 being inserted on the top of the intermediate frame 1;

[0031] a pair of stands 3 and a clamping assembly 4, the stand 3 being arranged on the surface of the intermediate frame 1, and the clamping assembly 4 being arranged between the stand 3 and the intermediate frame 1;

[0032] a support assembly 5 arranged between the intermediate frame 1 and the stand 3;

[0033] the clamping assembly 4 comprises a pair of slide rails 4-1 fixed on both ends of the surface of the intermediate frame 1, the stand 3 being slidably connected to the slide rail 4-1, the stand 3 being internally provided with a through cavity 4-2, the through cavity 4-2 being internally threadedly connected to a support screw 4-3, both sides of the intermediate frame 1 being provided with a fixed sleeve layer 4-4, the side end face of the stand 3 being provided with a movable sleeve layer 4-5, and the fixed sleeve layer 4-4 and the movable sleeve layer 4-5 being hollow structures.

[0034] In this embodiment, in order to achieve the effect of clamping the cable for protection, the clamping assembly 4 is designed, two slide rails 4-1 are arranged on both sides of the surface of the intermediate frame 1, the stand 3 is slidingly connected to the slide rail 4-1, and a movable sleeve layer 4-5 is arranged on one side of the two stands 3, and a fixed sleeve layer 4-4 is arranged on both sides of the intermediate frame 1, the fixed sleeve layer 4-4 and the movable sleeve layer 4-5 cooperate to clamp the cable, and the fixed sleeve layer 4-4 and the movable sleeve layer 4-5 are both hollow structures, which will not affect the heat dissipation of the cable, and a through cavity 4-2 is formed in the stand 3, a supporting screw 4-3 is screwed in the through cavity 4-2, and the lower end of the supporting screw 4-3 can be supported on the top of the slide rail 4-1, so as to fix the movable sleeve layer 4-5.

[0035] Further, the supporting assembly 5 includes a pair of stable plates 5-1, the pair of stable plates 5-1 are movably sleeved and connected to the two side end faces of the intermediate frame 1, one end of the stable plate 5-1 is fixedly connected with a side support plate 5-2, the surface of the side support plate 5-2 is provided with a convex layer 5-3, a pair of connecting grooves 5-4 are formed in the two side end faces of the intermediate frame 1, a pair of connecting rods 5-5 are arranged on the side surface of the stable plate 5-1 and movably sleeved and connected in the connecting grooves 5-4, springs 5-6 are connected between the connecting rods 5-5 and the connecting grooves 5-4, positioning sleeves 5-7 are arranged on the side end face of the stand 3 and the surface of the side support plate 5-2, positioning blocks 5-8 are inserted and connected in the positioning sleeves 5-7, and threaded sleeves 5-10 are screw-connected between a pair of opposite threaded sleeves 5-9.

[0036] In this embodiment, in order to achieve the effect of stable support in the soil layer, the supporting assembly 5 is designed, two stable plates 5-1 are movably sleeved and connected on both sides of the intermediate frame 1, one end of the stable plate 5-1 is connected with a side support plate 5-2, which is used to support on both sides of the excavated soil pit, and a connecting groove 5-4 is also arranged, the side surface of the side support plate 5-2 is provided with a connecting rod 5-5 and is connected in an extension and retraction mode with the connecting groove 5-4, a spring 5-6 is arranged in the connecting sleeve, which is used to push the side support plate 5-2 to support in the soil pit through the elastic force of the spring 5-6, the side end face of the stand 3 and the surface of the side support plate 5-2 are both provided with positioning sleeves 5-7 and the positions correspond to each other, and a threaded sleeve 5-10 is also arranged, two ends of the threaded sleeve 5-10 are screw-connected with threaded sleeves 5-9, one end of the threaded sleeve 5-9 is provided with a positioning block 5-8, the positioning block 5-8 can be inserted into the positioning sleeve 5-7, and a protrusion is arranged in the positioning sleeve 5-7, so that the positioning block 5-8 cannot rotate after being inserted into the positioning sleeve 5-7, the threaded sleeve 5-10 can be screwed to make the threaded sleeves 5-9 at both ends simultaneously extend outward, and support between the stand 3 and the side support plate 5-2.

[0037] Further, the threads at both ends of the threaded sleeve 5-10 are opposite in direction, and the threads at both ends of the threaded sleeve 5-10 are respectively right-handed and left-handed.

[0038] In the embodiment, the two studs 5-9 are simultaneously extended and retracted in the opposite thread directions, so that the side support plate 5-2 is firmly supported in the soil pit.

[0039] Further, the intermediate frame 1 has a T-shaped structure, and the bottom surface of the intermediate frame 1 is at the same height as the lower end surface of the side support plate 5-2.

[0040] In the embodiment, the T-shaped structure allows the fixing sleeve layer 4-4 to be located on both sides, so that the two groups of cables are separated in the middle.

[0041] Further, the cross sections of the sliding rails 4-1 and the vertical columns 3 are T-shaped structures.

[0042] In the embodiment, the T-shaped structure allows the vertical column 3 to slide on the sliding rail 4-1 without falling off, and to be firmly connected to the sliding rail 4-1.

[0043] When needed, the side support plate 5-2 is pushed to be retracted and placed in the soil pit, the side support plate 5-2 is pushed by the spring 5-6 to be supported in the soil pit, the two groups of cables are placed in the fixing sleeve layer 4-4, then the movable sleeve layer 4-5 is pushed to tighten the cables, after being tightened, the support screw 4-3 is twisted to make the lower end be on the track, the movable sleeve layer 4-5 is fixed, after the fixing is completed, the two positioning blocks 5-8 are inserted into the positioning sleeve 5-7 and the inner threaded sleeve 5-10 is continuously twisted, the two studs 5-9 are simultaneously extended outward, the side support plate 5-2 is pushed to move outward, until the fixing is completed, the convex layer 5-3 is inserted into the soil layer, the cables are firmly fixed, finally, the top cover 2 is inserted into the intermediate frame 1.

[0044] The above is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A fixed cable bracket for underground excavation, characterized in that: include An intermediate frame (1) and a top cover (2), wherein the top cover (2) is inserted on the top of the intermediate frame (1); A pair of columns (3) and a clamping assembly (4), wherein the columns (3) are arranged on the surface of the intermediate frame (1), and the clamping assembly (4) is arranged between the columns (3) and the intermediate frame (1); A support assembly (5), the support assembly (5) being arranged between the intermediate frame (1) and the upright column (3); The clamping assembly (4) comprises a pair of slide rails (4-1), the pair of slide rails (4-1) being fixed at both ends of the surface of the intermediate frame (1), the upright column (3) being slidably connected to the slide rails (4-1), a through cavity (4-2) being provided in the upright column (3), and a support screw (4-3) being screwed in the through cavity (4-2) via a thread.

2. The fixed cable bracket for underground excavation according to claim 1, characterized in that: Both sides of the intermediate frame (1) are provided with fixed sleeves (4-4), and the side end faces of the upright columns (3) are provided with movable sleeves (4-5). Both the fixed sleeves (4-4) and the movable sleeves (4-5) are hollow structures.

3. The fixed cable bracket for underground excavation according to claim 1, characterized in that: The support assembly (5) comprises a pair of stabilizing plates (5-1), the pair of stabilizing plates (5-1) being movably connected to the end surfaces on both sides of the intermediate frame (1), one end of the stabilizing plate (5-1) being fixedly connected to a side support plate (5-2), and a convex layer (5-3) being provided on the surface of the side support plate (5-2).

4. The fixed cable support for concealed excavation according to claim 3, characterized in that: A pair of connecting grooves (5-4) are provided on both side end surfaces of the intermediate frame (1), and a pair of connecting rods (5-5) are provided on the side surfaces of the stabilizing plate (5-1). The connecting rods (5-5) are movably sleeved and connected in the connecting grooves (5-4).

5. The fixed cable support for concealed excavation according to claim 4, characterized in that: A spring (5-6) is connected between the connecting rod (5-5) and the connecting groove (5-4); a positioning sleeve (5-7) is provided on the side end surface of the column (3) and the surface of the side support plate (5-2); and a positioning block (5-8) is inserted and connected in the positioning sleeve (5-7).

6. The fixed cable support for concealed excavation according to claim 5, characterized in that: The side end surface of the positioning block (5-8) is provided with a stud (5-9), and a pair of internal threaded sleeves (5-10) are screwed and connected between the studs (5-9). The outer surface of the internal threaded sleeve (5-10) is a polygonal structural surface.

7. The fixed cable support for concealed excavation according to claim 6, characterized in that: The thread directions of the two ends of the internal threaded sleeve (5-10) are opposite, and the two ends of the internal threaded sleeve (5-10) are respectively a positive helix and a negative helix.

8. The fixed cable support for concealed excavation according to claim 3, characterized in that: The intermediate frame (1) is in a T-shaped structure as a whole, and the bottom surface of the intermediate frame (1) and the lower end surface of the side support plate (5-2) are located at the same plane height.

9. The fixed cable support for concealed excavation according to claim 1, characterized in that: The cross section of the connection between the slide rail (4-1) and the column (3) is a T-shaped structure.

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