Subway segment transportation frame

Abstract

The utility model discloses a subway segment transportation frame which comprises a base, arc-shaped rods are symmetrically arranged above the base, first arc-shaped through grooves are formed in the side faces of the arc-shaped rods, a plurality of sliding shafts are arranged in the first arc-shaped through grooves in a sliding mode, and threaded grooves are formed in the surfaces of the two ends of each sliding shaft. A check ring is fixedly arranged on the surface, close to the arc-shaped rod, of the sliding shaft, one end of the sliding shaft exceeds the first arc-shaped through groove, a first circular rotating block is arranged at the end in a threaded mode, a limiting block is fixedly arranged at the position, away from the check ring, of the surface of the sliding shaft, and a ball is slidably arranged on the surface of the left side of the sliding shaft. The subway segment placing device has the advantages that after a subway segment is placed, the pressing block is pushed to enable the rubber pad to be close to the subway segment, then the bolt is screwed to enable the pressing block to press and fix the surface of the subway segment, the subway segment is prevented from moving, and the placing stability of the subway segment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of subway construction, in particular to a subway pipe segment transport rack. Background Art

[0002] The subway pipe segment is the concrete material used for masonry in the subway tunnel. The subway pipe segment is arc-shaped. One unit of the subway tunnel is generally composed of 6 subway pipe segments. When in use, a transport bracket is required to transport the subway pipe segment to the designated location and leave it for later use.

[0003] In the prior art, there is a subway segment bearing and transport bracket with patent number CN210013711U, which includes a base, and legs are provided at the four corners of the bottom outer wall of the base, and claws are provided at the bottom of the legs, and a rotating rod is provided inside the claws, and a limit slot is provided on the upper outer wall of the base, and the base is connected to the pneumatic telescopic rod through the limit slot, and a rotating shaft is provided at the center of the outer wall of the telescopic end of the pneumatic telescopic rod. The utility model is provided with universal wheels, pneumatic telescopic rods, rotating shafts, and a carrier plate, and the universal wheels can drive the base to move in all directions, thereby driving the subway segment on the base to move. When in use, the subway segment can be placed on the carrier plate, and the pneumatic telescopic rod at the bottom of the carrier plate can realize free extension and retraction when under pressure, and can achieve different degrees of extension and retraction when in contact with different outer walls of the subway segment, so as to achieve a stable support effect, and the rotating shaft effectively prompts the carrier plate to cooperate with the subway segment to perform fitting work at different angles.

[0004] In the above device, the subway segments are directly placed on the carrier plate, and there is no device for fixing the subway segments. When the subway segments are moved on the ground, the subway segments may fall off. Utility Model Content

[0005] In order to overcome the deficiencies of the prior art, the utility model provides a subway pipe segment transport rack, which can stably fix the subway pipe segments after being placed, and can better protect the transportation process of the subway pipe segments.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a subway pipe segment transport rack, comprising a base, wherein an arc rod is symmetrically arranged above the base, an arc through groove 1 is opened on the side of the arc rod, a plurality of sliding shafts are slidably arranged in the arc through groove 1, and thread grooves are arranged on the surfaces of both ends of the sliding shaft. A retaining ring is fixedly arranged on the surface of the sliding shaft close to the arc rod, and one end of the sliding shaft exceeds the arc through groove 1, and a circular rotating block 1 is threadedly arranged on this end, a limiting block is fixedly arranged at a position of the surface of the sliding shaft away from the retaining ring, and a sphere is slidably arranged on the left surface of the sliding shaft, and a rotating block 2 is threadedly arranged on the other end of the sliding shaft.

[0007] Optionally, two groups of support frames are symmetrically fixedly disposed on the upper surface of the base, and a plurality of support rods are fixedly disposed on the lower end surface of the arc rod, and the number of the support rods is the same as the number of the support frames.

[0008] Optionally, the support rod is slidably arranged in the support frame, and a spring 1 is fixedly connected between the lower end surface of the support rod and the inner bottom surface of the support frame.

[0009] Optionally, a support plate 1 is fixedly provided in the middle of the upper surface of the arc rod, a square through groove 2 is opened on the side of the support plate 1, a support plate 2 is slidably provided in the through groove 2, and a plurality of springs 2 are fixedly connected between the lower surface of the support plate 2 and the inner bottom surface of the through groove 2.

[0010] Optionally, a pressure block is slidably provided on the surface of the supporting plate 2, and a rubber pad is fixedly provided on the outer lower surface of the pressure block.

[0011] Optionally, through grooves three are symmetrically provided on the surface of the support plate one on both sides of the through groove two, and fixed shafts are symmetrically fixed on both sides of the pressure block. The fixed shafts pass through the through groove three and are slidably fitted, and a circular stopper is fixedly provided on the outer end of the fixed shaft.

[0012] Optionally, a threaded hole is provided on the upper end surface of the support plate 1 near the through slot 2, and a bolt is provided in the inner thread of the threaded hole.

[0013] In summary, compared with the prior art, the subway segment transport rack provided by the utility model has the following beneficial effects:

[0014] In the utility model, after the subway pipe segment is placed, the pressing block is pushed to make the rubber pad close to the subway pipe segment, and then the bolt is screwed to make the pressing block press and fix the surface of the subway pipe segment, so as to avoid the position movement of the subway pipe segment and improve the stability of the placement of the subway pipe segment;

[0015] In the utility model, the spring in the support frame can be used to provide a shock-absorbing function for the arc rod, so that when the subway segment is placed, when the subway segment contacts the sphere, the support rod will be lowered a certain distance in the support frame. At this time, the spring generates a compression amount. This compression amount can provide a buffer distance for the subway segment, so that the outer surface will not be damaged due to vibration after it is placed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a structural schematic diagram of some parts of the utility model;

[0018] Figure 3 It is a schematic diagram of the enlarged structure of the utility model A;

[0019] Figure 4 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the enlarged structure of the utility model B;

[0021] Figure 6 It is a schematic diagram of the enlarged structure of C of the utility model;

[0022] In the figure: 1, base; 11, support frame; 2, arc rod; 21, support rod; 211, spring 1; 22, arc through groove 1; 23, support plate 1; 2311, threaded hole; 231, through groove 2; 232, spring 2; 233, support plate 2; 234, through groove 3; 24, rotating block 1; 2411, retaining ring; 241, limit block; 242, sphere; 243, rotating block 2; 25, bolt; 26, sliding shaft; 3, subway segment; 4, pressure block; 41, rubber pad; 42, fixed shaft; 421, stopper. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the present invention.

[0024] refer to Figure 1-6 A subway segment transport rack comprises a base 1, wherein two groups of support frames 11 are symmetrically fixedly arranged on the upper surface of the base 1, an arc-shaped rod 2 is arranged above the support frame 11, and a plurality of support rods 21 are fixedly arranged on the lower end surface of the arc-shaped rod 2, and the number of the support rods 21 is the same as the number of the support frames 11, the support rods 21 are slidably arranged in the support frame 11, and a spring 211 is fixedly connected between the lower end surface of the support rod 21 and the inner bottom surface of the support frame 11, and the spring 211 can be used to provide a shock-absorbing function for the arc-shaped rod 2, so that when the subway segment 3 is placed, when the subway segment 3 contacts the sphere 242, the support rod 21 will be lowered by an end distance in the support frame 11, and the spring will generate a compression amount at this time, and this section of compression amount can provide a buffer distance for the subway segment 3, so that the outer surface will not be damaged due to vibration after it is placed.

[0025] refer to Figure 1 , 5 The side of the arc rod 2 is provided with an arc through groove 22, and a plurality of sliding shafts 26 are slidably arranged in the arc through groove 22, and the surfaces of both ends of the sliding shafts 26 are provided with thread grooves.

[0026] like Figure 5As shown, a retaining ring 2411 is fixedly provided on the surface of the sliding shaft 26 close to the arc-shaped rod 2, and the right end of the sliding shaft 26 extends beyond the arc-shaped through groove 22, and a circular rotating block 24 is threadedly provided at this end, and the rotating block 24 has a handle for conveniently twisting the rotating block 24, and then the retaining ring 2411 is cooperated to fix the sliding shaft 26 in the arc-shaped through groove 22.

[0027] like Figure 5 As shown, a limit block 241 is fixedly provided at a position on the surface of the sliding shaft 26 away from the retaining ring 2411, and a sphere 242 is slidably provided on the left surface of the sliding shaft 26, and the subway segment 3 is supported by the sphere 242. The support is a point support, which can expose more outer surface of the subway segment 3, increase its contact area with the air, and accelerate the curing time of the subway segment 3. A rotating block 243 is provided on the left end thread of the sliding shaft 26. The rotating block 243 is used to fix the position of the sphere 242, and facilitates the disassembly of the sphere 242 by cooperating with the thread of the sliding shaft 26, and then replaces the sphere 242.

[0028] refer to Figure 3 A support plate 23 is fixedly provided in the middle of the upper surface of the arc rod 2, a square through groove 231 is opened on the side of the support plate 23, a support plate 233 is slidably provided in the through groove 231, and a plurality of springs 232 are fixedly connected between the lower surface of the support plate 233 and the inner bottom surface of the through groove 231.

[0029] refer to Figure 6 A pressing block 4 is slidably arranged on the surface of the second support plate 233, a rubber pad 41 is fixedly arranged on the outer lower surface of the pressing block 4, and a handle is arranged at the outer end of the pressing block 4 to facilitate pulling of the pressing block 4.

[0030] refer to Figure 1-3 The surfaces of the support plate 1 23 on both sides of the through slot 231 are symmetrically provided with through slots 3 234, and the two sides of the pressing block 4 are symmetrically fixed with fixed shafts 42, which penetrate through the through slot 3 234 and are slidably fitted, and the outer end of the fixed shaft 42 is fixedly provided with a circular stopper 421, which is used to prevent the pressing block 4 from being pulled out of the through slot 231.

[0031] refer to Figure 6 A threaded hole 2311 is provided on the upper end surface of the support plate 1 23 near the through slot 231 , and a bolt 25 is provided in the inner thread of the threaded hole 2311 , and the bolt 25 can press down and fix the pressing block 4 .

[0032] Furthermore, after the subway segment 3 is placed on the spheres 242 by means of a lifting device, the number of spheres 242 can be determined according to the weight of the subway segment 3 , and then the redundant sliding shafts 26 can be removed.

[0033] Furthermore, after the subway segment 3 is placed, the pressing block 4 is pushed to make the rubber pad 41 close to the subway segment 3, and then the bolt 25 is tightened to press and fix the surface of the subway segment 3 to prevent the position of the subway segment 3 from moving and improve the stability of the placement of the subway segment 3.

[0034] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range and basically achieve the technical effect.

[0035] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0036] The above description shows and describes several preferred embodiments of the present application, but as mentioned above, it should be understood that the present application is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the application concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the present application, and should be within the scope of protection of the claims attached to the present application.

Claims

1. A subway segment transport rack, characterized in that: The invention comprises a base (1), wherein an arc-shaped rod (2) is symmetrically arranged above the base (1), an arc-shaped through groove (22) is provided on the side of the arc-shaped through groove (2), a plurality of sliding shafts (26) are slidably arranged in the arc-shaped through groove (22), and thread grooves are arranged on both end surfaces of the sliding shafts (26). A retaining ring (2411) is fixedly arranged on the surface of the sliding shaft (26) close to the arc-shaped rod (2), and one end of the sliding shaft (26) extends beyond the arc-shaped through groove (22), and a circular rotating block (24) is threadedly arranged on this end. A limit block (241) is fixedly arranged at a position on the surface of the sliding shaft (26) away from the retaining ring (2411), and a ball (242) is slidably arranged on the left surface of the sliding shaft (26), and a rotating block 2 (243) is threadedly arranged on the other end of the sliding shaft (26).

2. A subway segment transport rack according to claim 1, characterized in that: Two groups of support frames (11) are symmetrically fixedly arranged on the upper surface of the base (1), and a plurality of support rods (21) are fixedly arranged on the lower end surface of the arc-shaped rod (2), wherein the number of the support rods (21) is the same as the number of the support frames (11).

3. A subway segment transport rack according to claim 2, characterized in that: The support rod (21) is slidably arranged in the support frame (11), and a spring 1 (211) is fixedly connected between the lower end surface of the support rod (21) and the inner bottom surface of the support frame (11).

4. The subway segment transport rack according to claim 1, characterized in that: A support plate 1 (23) is fixedly arranged in the middle of the upper surface of the arc-shaped rod (2), a square through groove 2 (231) is opened on the side of the support plate 1 (23), a support plate 2 (233) is slidably arranged in the through groove 2 (231), and a plurality of springs 2 (232) are fixedly connected between the lower surface of the support plate 2 (233) and the inner bottom surface of the through groove 2 (231).

5. The subway segment transport rack according to claim 4, characterized in that: A pressing block (4) is slidably disposed on the surface of the second support plate (233), and a rubber pad (41) is fixedly disposed on the outer lower surface of the pressing block (4).

6. The subway segment transport rack according to claim 5, characterized in that: The surface of the support plate one (23) on both sides of the through groove two (231) is symmetrically provided with through groove three (234), and the two sides of the pressing block (4) are symmetrically fixed with fixed shafts (42), the fixed shafts (42) pass through the through groove three (234) and are slidably fitted, and the outer end of the fixed shaft (42) is fixedly provided with a circular stopper (421).

7. The subway segment transport rack according to claim 4, characterized in that: A threaded hole (2311) is provided on the upper end surface of the support plate 1 (23) near the through slot 2 (231), and a bolt (25) is provided in the inner thread of the threaded hole (2311).

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