CN215564614U - Movable protective shed frame - Google Patents

Abstract

The utility model discloses a movable protective shed frame, which belongs to a construction auxiliary device and comprises a base and a protective vehicle arranged on the base, wherein a protective vehicle track is arranged on the base, the protective vehicle comprises a movable wheel positioned in the protective vehicle track, the protective vehicle also comprises a main support, a counterweight frame and a protective frame, an anti-sputtering baffle is arranged at one end of the protective frame, the protective vehicle can move on the protective vehicle track through the movable wheel, and the moving position can be matched with the position to be constructed according to the arrangement of the protective vehicle track, so that the problem of higher cost caused by the fact that a large number of protective shed frames are required to be arranged on a railway line in the prior art is solved.

Description

Movable protective shed frame

Technical Field

The utility model relates to a construction auxiliary device, in particular to a movable protective shed frame.

Background

Considering the construction specificity of the whole adjacent business line and the construction period and the working efficiency of the broken excavation of the hard rock stratum, the excavation of the hard rock in the range of the adjacent railway business line is carried out in a small gun head machine breaking mode, then a dump truck and an excavator are matched for outward transportation, however, in the process of breaking the hard rock stratum, splashed broken stones can be generated and splashed onto the existing line, the high-speed rail operation can be influenced, and therefore the splashed broken stones need to be protected.

The existing protection shed is directly arranged on a high-speed rail, the distance of the protection shed needing to be laid is long, and the construction cost is greatly increased.

For example, the publication of "a replaceable falling-stone protection shed for a railway bridge," in chinese patent literature, has a publication number CN212000678U, and the replaceable falling-stone protection shed for a railway bridge comprises a plurality of independent shed-tunnel segments along the bridge direction, each segment being an independent single shed tunnel; the single shed tunnel comprises a plurality of arc-shaped hollow pipe pieces at the top, upright posts with vertical two sides and a connecting plate below the upright posts, wherein all adjacent members are connected with each other, and the inner side of the connecting plate extends into the lower part of a wing plate of the railway box girder and is connected with the lower part of the wing plate. The main stressed member of the utility model adopts an ultra-high performance concrete material, the durability of the main stressed member is far higher than that of common concrete and steel, and the service life of the main stressed member meets the requirement of a main structure for 100 years; the main components can be normally used after being repaired or replaced by local parts after being damaged, the whole life cycle design technology is realized, however, the defect is that the main components are paved above a railway, and the required cost is high.

Disclosure of Invention

The utility model aims to solve the problem that the laying cost of a protection shed for protecting broken stones is high in the process of excavating a hard rock layer in the prior art, and provides a movable protection shed frame which is arranged above a rock layer to be excavated and can be moved to continuously protect when the construction position is continuously changed, so that the cost of the used shed frame is low.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model discloses a movable protective shed frame which comprises a base and a protective vehicle arranged on the base, wherein a protective vehicle track is arranged on the base, the protective vehicle comprises moving wheels positioned in the protective vehicle track, the protective vehicle further comprises a main support, a counterweight frame and a protective frame, the counterweight frame and the protective frame are respectively positioned on two sides of the main support, and one end, far away from the main support, of the protective frame is provided with a sputtering-proof baffle.

The movable protective shed frame is installed on the hard rock stratum, the anti-sputtering baffle is used for blocking the broken stones splashed out when excavating rocks, the movable wheels can enable the protective vehicle to move on the protective vehicle track, the position of the movable protective vehicle and the position of required construction can be matched according to the arrangement of the protective vehicle track, the protective frame extends out of the main support, so that the base can be stably fixed on the hard rock stratum and cannot be influenced by the excavated rocks, and the counterweight frame is used for placing counterweights, and the protective frame is prevented from being toppled.

Preferably, the main support comprises a vertical support frame, and the protective frame and the counterweight frame are both provided with steel wire ropes connected with the top end of the vertical support frame; the steel wire rope on the vertical supporting frame plays a role in traction on the protection frame and the counterweight frame, so that the influence generated by the gravity of the protection frame and the counterweight frame is balanced, and the protection vehicle is prevented from toppling over.

Preferably, the anti-sputtering baffle is fully distributed with a rubber belt; the rubber belt can play a buffering role on the splashed broken stones, so that the splash-proof baffle is prevented from being damaged due to continuous large impact in the long-term use process.

Preferably, the protection frame is connected with the sputtering-proof baffle through a connecting pipe, the connecting pipe is detachably connected with the sputtering-proof baffle, and the connecting pipe is also detachably connected with the protection frame; through the connecting pipe of the different length of replacement, can make the distance change between anti-sputtering baffle to the main support to the different excavation width of adaptation, when the rock stratum width that needs to excavate is great, can replace longer connecting pipe, thereby the base is fixed unstably when avoiding the rock to excavate more.

Preferably, the protective frame comprises a beam body arranged in the horizontal direction, the beam body comprises a beam body main body part and beam body wing parts positioned on two sides of the beam body main body part, the cross section of the beam body main body part is trapezoidal, and a hollow groove with a trapezoidal cross section is arranged in the beam body main body part; trapezoidal roof beam body main part can improve the bending resistance of the roof beam body, and roof beam body alar part can be convenient for the roof beam body and be connected with other structures, the hollow groove can reduce the weight of roof beam body structure to avoid the protection car to empty.

Preferably, a counterweight is placed in the counterweight frame, and a limiting plate for limiting the counterweight is further installed in the counterweight frame; the limiting plate can avoid the moment of the counterweight to the protective frame from being reduced due to the movement of the counterweight.

Preferably, the base is made of concrete.

Therefore, the utility model has the following beneficial effects: (1) the protective vehicle can move along the construction position without using more shed frames, so that the construction cost is reduced; (2) the protective vehicle is not easy to topple.

Drawings

Fig. 1 is a schematic view of a structure of the present invention in a use environment.

Figure 2 is a schematic cross-sectional view of a beam according to the present invention.

In the figure: 1. the device comprises a base 2, a protective vehicle 3, a protective vehicle track 4, moving wheels 5, a main support 6, a weight frame 7, a protective frame 8, a reinforcing beam 9, an anti-sputtering baffle 10, a steel wire rope 11, a connecting pipe 12, a beam body main body part 13, a beam body wing part 14, a hollow groove 15, a weight 16 and a limiting plate.

Detailed Description

The utility model is further described with reference to the following detailed description and accompanying drawings.

In the embodiment shown in fig. 1-2, the movable protective shed frame comprises a base 1 and a protective vehicle 2 arranged on the base, wherein the base is made of concrete, is fixed on the rock stratum to be constructed through expansion screws, a protective vehicle track 3 is arranged on the base, the protective vehicle track is laid along the position to be constructed, the protective vehicle comprises moving wheels 4 positioned in the protective vehicle track, the protective vehicle also comprises a main support 5, a counterweight frame 6 and a protective frame 7, wherein reinforcing beams 8 which are arranged in a crossed manner and used for improving the structural strength are arranged in the main support, the counterweight frame and the protection frame are respectively positioned at two sides of the main bracket and form a cantilever structure relative to the main bracket, an anti-sputtering baffle 9 is arranged at one end of the protection frame far away from the main support, and rubber belts are fully distributed on the anti-sputtering baffle; the main support comprises a vertical support frame, steel wire ropes 10 connected with the top end of the vertical support frame are arranged on the protection frame and the counterweight frame, the protection frame is connected with the anti-sputtering baffle through a connecting pipe 11, the connecting pipe is detachably connected with the anti-sputtering baffle through a bolt, and the connecting pipe is also detachably connected with the protection frame through a bolt; the protective frame comprises a beam body arranged in the horizontal direction, the beam body comprises a beam body main body part 12 and beam body wing parts 13 positioned on two sides of the beam body main body part, the cross section of the beam body main body part is trapezoidal, and a hollow groove 14 with a trapezoidal cross section is arranged in the beam body main body part; the weight rack is internally provided with a weight 15, the weight rack is internally also provided with a limiting plate 16 for limiting the weight, and the limiting plate is vertically inserted into the weight rack.

During construction, the splashed rocks are blocked by the anti-sputtering baffle, normal operation of adjacent lines is prevented from being influenced, and when the construction position changes, the anti-sputtering baffle can be always matched with the construction position through the movement of the protective frame on the protective vehicle track, so that the use of a large number of anti-sputtering baffles is avoided, and the cost is too high.

The weight in the weight frame is used for balancing the protection vehicle, and the stress of the protection vehicle can be roughly detected and calculated according to the weight of the weight and the weight of each part of the protection vehicle:

set up the counter weight according to 2t in every section of protection car to remove the biggest 7m of splashproof baffle elongation and carry out the check calculation as the example:

1. the known conditions are: g anti-sputtering baffle + G guard =2.8t, G main frame =6t, G counterweight frame =2t, G counterweight =2t, main frame length =1.8m, counterweight frame length 1.8m, counterweight distance 1.25m from main frame;

2. calculating an overturning point:

the cantilever beam fulcrum is considered as the left track according to the most unfavorable condition, and the left and right moments are calculated by the fulcrum:

mle =2.8 × 7/2=9.8t × M

Mrret =6 × 1.8/2+2 × 2 (1.25 + 1.8) M +2 × 1.8+ 0.9) =16.9t × M

Mleft =9.8t M < Mright =16.9t M, so that the movable protective shed frame does not overturn laterally when the splash guard is extended to the maximum.

Claims (7)

1. The utility model provides a portable protection rack, characterized by includes the base and installs the protection car on the base, be equipped with protection car track on the base, the protection car is including being located removal wheel in the protection car track, the protection car still includes main support, counter weight frame and protection frame are located respectively the both sides of main support, protection frame is served far away from the main support and is installed the anti-sputtering baffle.

2. The movable protective shed frame as claimed in claim 1, wherein the main support comprises a vertical support frame, and the protective shed frame and the counterweight frame are provided with steel wire ropes connected with the top ends of the vertical support frame.

3. The movable protective shed frame as claimed in claim 1, wherein the splash guard is covered with a rubber band.

4. The movable protective shed frame as claimed in claim 1, wherein the protective shed frame is connected with the sputtering-proof baffle plate through a connecting pipe, the connecting pipe is detachably connected with the sputtering-proof baffle plate, and the connecting pipe is also detachably connected with the protective shed frame.

5. The movable protective shed frame as claimed in claim 1, wherein the protective shed frame comprises a beam body arranged in a horizontal direction, the beam body comprises a beam body main body part and beam body wing parts positioned on two sides of the beam body main body part, the beam body main body part is trapezoidal in cross section, and a hollow groove with a trapezoidal cross section is formed in the beam body main body part.

6. The movable protective shed frame as claimed in claim 1, wherein a counterweight is placed in the counterweight frame, and a limiting plate for limiting the counterweight is further installed in the counterweight frame.

7. A mobile shelter as claimed in any one of claims 1 to 6 in which the base is made of concrete.

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