Protective fence for road construction

Abstract

The protective fence for road construction comprises stand columns, a base, a main fence body and a height adjusting fence, the stand columns are fixedly installed on the top of the base, the main fence body is fixedly installed on the inner sides of the stand columns, and the height adjusting fence is connected to the front face of the main fence body in a sliding mode. The top of the main body fence is fixedly connected with a height adjusting mechanism, the height adjusting mechanism comprises a supporting rod, the supporting rod is fixedly connected to the top of the main body fence, and the top of the supporting rod is fixedly connected with a transmission ring. The height adjusting fence is arranged, the height adjusting fence is installed on the front face of the main body fence in a sliding mode through the sliding guide assembly, meanwhile, the height adjusting mechanism can control the height adjusting fence to move up and down, and therefore the protective height of the protective fence can be flexibly adjusted according to safety requirements of different construction scenes. The problems that the height of a fence body is fixed, and flexible adjustment is difficult to conduct according to safety requirements of different construction scenes are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to construction protection technical field, concretely is a kind of protective fence for road construction. BACKGROUND

[0002] In the municipal road construction process, in order to avoid the harm caused by flying sand and stone to pedestrians in road construction site, it is often necessary to use safety protective fence to shield municipal road construction site U.

[0003] According to the authorized announcement number: CN222101671 discloses a kind of safety protective fence for municipal road construction, including protective fence body, two ends of the protective fence body are symmetrically equipped with two vertical rods, two the vertical rod bottom end both sides are equipped with one installation slot, the installation slot is rotatably connected with auxiliary support plate.There is beneficial effect in that: the utility model can be on hand wheel, screw, sleeve, connecting rod and auxiliary support plate under the action, by the auxiliary support plate after rotating and being in contact with the placement plane, to effectively increase the stability of the safety protective fence when being placed in the use process, avoid the drawbacks that safety protective fence easily occurs to dump, on the other hand under the action of plugboard, limiting hole, connecting block, spring, limiting plug rod and pull plate, the assembly between two adjacent safety protective fences can be quickly assembled in the way of sliding pull, facilitate the efficient assembly of safety protective fence for municipal road construction.

[0004] Through the retrieval of the above-mentioned patent, and after comprehensively analyzing the related equipment in the prior art, it is found that the protective fence has obvious defects in actual application. The height of the fence body is fixed, and it is difficult to adjust flexibly according to the safety requirements of different construction scenes. Especially in special construction scenes such as large-scale excavation operation or high-altitude operation, there are higher requirements for the height of the protective fence, but the protective fence cannot meet the requirements, which greatly limits its applicability and cannot provide comprehensive and effective safety protection for various complex construction environments. UTILITY MODEL CONTENTS

[0005] To solve the problems raised in the above background art, the purpose of the utility model is to provide a protective fence for road construction, which has the advantages of height adjustment, solves the problem of fixed fence body height, and is difficult to adjust flexibly according to the safety requirements of different construction scenes.

[0006] To achieve the above object, the utility model provides following technical scheme: A kind of protective fence for road construction, including stand, base, main body fence and height-adjustable fence, the stand is fixedly installed at the top of base, the main body fence is fixedly installed in the inboard of stand, the height-adjustable fence is slidably connected at the front of main body fence, the top of main body fence is fixedly connected with height adjusting mechanism, the height adjusting mechanism includes support rod, the support rod is fixedly connected at the top of main body fence, the top of support rod is fixedly connected with transmission ring, the top of height-adjustable fence is fixedly connected with steel rope, the steel rope passes through transmission ring, the other end of steel rope is fixedly connected with adjusting control assembly, the front side and rear side of base top are provided with stabilizing mechanism, the left side and right side of the back of height-adjustable fence are fixedly connected with sliding guide assembly.

[0007] As the utility model is preferred, the adjusting control assembly includes take-up reel, the take-up reel is fixedly connected at the other end of steel rope, the left side and right side of the surface of take-up reel are movably connected with support block by bearing, the front of support block is fixedly connected with the back of main body fence, the right side of the surface of take-up reel is fixedly connected with transmission assembly.

[0008] As the utility model is preferred, the stabilizing mechanism includes stabilizing plate, cone and plug-in assembly, the stabilizing plate is arranged at the front side and rear side of base top, the cone is fixedly connected at the outer side of stabilizing plate bottom, the cone is provided with several and is rectangular equidistance distribution, the plug-in assembly is fixedly connected at the inner side of stabilizing plate.

[0009] As the utility model is preferred, the sliding guide assembly includes sliding block, the sliding block is fixedly connected at the left side and right side of the back of height-adjustable fence, the left side and right side of the front of main body fence are provided with the sliding groove used in cooperation with sliding block.

[0010] As the utility model is preferred, the transmission assembly includes worm gear, the worm gear is fixedly connected at the right side of the surface of take-up reel, the gear teeth of worm gear are engaged with worm, the front side and rear side of the surface of worm are movably connected with support frame by bearing, the left side of support frame is fixedly connected with support block.

[0011] As the utility model is preferred, the plug-in assembly includes moving plate, the moving plate is fixedly connected at the inner side of stabilizing plate, the inside of moving plate is threadedly connected with screw rod, the moving plate and screw rod are located in the inside of stand, the top of the surface of screw rod is movably connected with stand by bearing.

[0012] As the utility model is preferred, the rear end of worm and the top of screw rod are fixedly connected with runner handle.

[0013] Compared with prior art, the utility model has the advantages as follows:

[0014] 1. The utility model discloses a height -adjusting fence is installed on the front of main fence through the sliding guide component, and simultaneously, the height adjusting mechanism can move up and down to control the height -adjusting fence, thereby making the protective fence can be adjusted according to the safety requirement of different construction scenes, and the height of protection is adjusted flexibly, the problem that the height of fence body is fixed and is difficult to adjust flexibly according to the safety requirement of different construction scenes is solved, and the effect of height adjustment is reached.

[0015] 2. The utility model discloses a height -adjusting fence is installed on the front of main fence through the sliding guide component, and simultaneously, the height adjusting mechanism can move up and down to control the height -adjusting fence, thereby making the protective fence can be adjusted according to the safety requirement of different construction scenes, and the height of protection is adjusted flexibly, the problem that the height of fence body is fixed and is difficult to adjust flexibly according to the safety requirement of different construction scenes is solved, and the effect of height adjustment is reached.

[0016] 3. The utility model discloses a stable mechanism is set up, and the stability of protective fence on the ground can be enhanced by stable board and cone thorn, under different construction scenes, especially under some ground conditions are more complex or have the situation that external force can lead to protective fence to fall down, the multiple cone thorns of rectangular equidistance distribution at the bottom of stable board can be inserted into the ground, increase the friction and the ground -gripping force of the ground, prevent the displacement or fall of protective fence because of the height of protection is higher, and the reason such as wind blows, guarantee the safety protection effect of construction area. ACCURACY OF DRAWINGS

[0017] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0018] Figure 2 It is another perspective three-dimensional structure schematic diagram of the utility model;

[0019] Figure 3 It is the column section and partial part explosion structure schematic diagram of the utility model;

[0020] Figure 4 It is the adjustment control component explosion structure schematic diagram of the utility model.

[0021] In the drawing: 1, column; 2, base; 3, main fence; 4, height -adjusting fence; 5, height adjusting mechanism; 51, support rod; 52, transmission ring; 53, steel rope; 54, adjustment control component; 541, take -up roller; 542, support block; 543, transmission assembly; 5431, worm gear; 5432, worm; 5433, support frame; 6, stable mechanism; 61, stable board; 62, cone thorn; 63, plug -in assembly; 631, moving plate; 632, screw rod; 7, sliding guide component; 71, sliding block; 72, sliding groove; 8, rotating handle. DETAILED DESCRIPTION

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] like Figures 1 to 4 As shown, the present invention provides a protective fence for road construction, including a post 1, a base 2, a main fence 3, and a height-adjustable fence 4. The post 1 is fixedly installed on the top of the base 2, the main fence 3 is fixedly installed on the inner side of the post 1, and the height-adjustable fence 4 is slidably connected to the front of the main fence 3. A height adjustment mechanism 5 is fixedly connected to the top of the main fence 3. The height adjustment mechanism 5 includes a support rod 51, which is fixedly connected to the top of the main fence 3. A transmission ring 52 is fixedly connected to the top of the support rod 51. A steel rope 53 is fixedly connected to the top of the height-adjustable fence 4. The steel rope 53 passes through the transmission ring 52, and an adjustment control component 54 is fixedly connected to the other end of the steel rope 53. A stabilizing mechanism 6 is provided on the front and rear sides of the top of the base 2, and a sliding guide component 7 is fixedly connected to the left and right sides of the back of the height-adjustable fence 4.

[0024] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4 The adjustment and control component 54 includes a take-up and release roller 541, which is fixedly connected to the other end of the steel rope 53. Support blocks 542 are movably connected to the left and right sides of the surface of the take-up and release roller 541 through bearings. The front of the support block 542 is fixedly connected to the back of the main fence 3. A transmission component 543 is fixedly connected to the right side of the surface of the take-up and release roller 541.

[0025] As a technical optimization of this utility model, by adjusting the control component 54, when it is necessary to adjust the height of the height adjustment fence 4, the operation transmission component 543 drives the take-up and release roller 541 to rotate. When the take-up and release roller 541 rotates, the steel rope 53 wound on its surface will be released or retracted. Since one end of the steel rope 53 is connected to the height adjustment fence 4, the movement of the steel rope 53 will drive the height adjustment fence 4 to slide up and down along the main fence 3, thereby realizing the height adjustment. The support blocks 542 on both sides of the take-up and release roller 541 play the role of supporting the take-up and release roller 541 and ensuring its stable rotation.

[0026] refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The stable mechanism 6 comprises a stable plate 61, a conical spike 62 and a plug-in assembly 63, the stable plate 61 is arranged at the front side and the rear side of the top of the base 2, the conical spike 62 is fixedly connected to the outer side of the bottom of the stable plate 61, the conical spike 62 is arranged in a plurality of and is distributed in a rectangular shape at equal intervals, and the plug-in assembly 63 is fixedly connected to the inner side of the stable plate 61.

[0027] As a technical optimization scheme of the utility model, through setting stable mechanism 6, stable plate 61 and conical spike 62 can enhance the stability of protective fence on the ground, in different construction scenes, especially in some ground conditions are more complex or have external force action may lead to the situation of protective fence toppling, the plurality of conical spikes 62 of stable plate 61 bottom rectangular distribution can be inserted into the ground, increase the friction and the ground holding force, prevent the displacement or toppling of protective fence caused by high height, wind blowing and other reasons, guarantee the safety and protection effect of construction area.

[0028] Reference Figure 1 , Figure 2 , Figure 3 And Figure 4 , the sliding guide assembly 7 comprises a sliding block 71, the sliding block 71 is fixedly connected to the left side and the right side of the back of the height-adjustable fence 4, and the left side and the right side of the front of the main fence 3 are provided with sliding grooves 72 matched with the sliding block 71.

[0029] As a technical optimization scheme of the utility model, through setting sliding guide assembly 7, sliding block 71 and sliding groove 72 are used in cooperation, so that the height-adjustable fence 4 can keep stable straight line motion in the lifting process, avoid shaking, deviation and other conditions, ensure the safety and stability of height-adjustable fence 4 when adjusting height, and also improve the smoothness of adjustment.

[0030] Reference Figure 1 , Figure 2 , Figure 3 And Figure 4 , the transmission assembly 543 comprises a worm wheel 5431, the worm wheel 5431 is fixedly connected to the right side of the surface of the folding roller 541, the teeth of the worm wheel 5431 are engaged with a worm 5432, the front side and the rear side of the surface of the worm 5432 are movably connected with a support frame 5433 through bearings, and the left side of the support frame 5433 is fixedly connected with the support block 542.

[0031] As a technical optimization scheme of the utility model, through setting transmission assembly 543, the worm wheel 5431 worm 5432 structure has self-locking function, when the height of height-adjustable fence 4 is adjusted, the self-locking characteristic of worm wheel 5431 worm 5432 can prevent folding roller 541 from rotating due to accidental external force, so that height-adjustable fence 4 is kept at the set height position.

[0032] Reference Figure 1 ,Figure 2 、 Figure 3 and Figure 4 The plug-in assembly 63 comprises a moving plate 631 fixedly connected to the inner side of the stabilizing plate 61, a screw rod 632 screw-coupled to the inside of the moving plate 631, and the moving plate 631 and the screw rod 632 located inside the stand 1, and the top of the surface of the screw rod 632 is movably connected to the stand 1 through a bearing.

[0033] As a technical optimization scheme of the utility model, when it is needed to fix the stabilizing plate 61, the screw rod 632 is rotated, the moving plate 631 is axially moved along the screw rod 632 due to the screw connection between the moving plate 631 and the screw rod 632, the stabilizing plate 61 is further moved downwards, and the conical spike 62 is inserted into the ground, when it is needed to move the protective fence, the screw rod 632 is reversely rotated, the moving plate 631 drives the stabilizing plate 61 to rise, and the conical spike 62 is pulled out from the ground, thereby improving the convenience of the operator in using the stabilizing mechanism 6.

[0034] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 4 Figure 1 Figure 2 Figure 3 Figure 4 The rear end of the worm 5432 and the top of the screw rod 632 are fixedly connected with a rotating handle 8.

[0035] As a technical optimization scheme of the utility model, the rotating handle 8 provides a convenient operating component for the operator, the operator can easily control the rotation of the worm 5432 and the screw rod 632 by rotating the rotating handle 8, thereby realizing the adjustment of the height of the height-adjustable fence 4 and the plug-in operation of the stabilizing plate 61, and improving the convenience and efficiency of the operation.

[0036] The working principle and use process of the utility model: in use, the main body fence 3 is fixedly installed on the inner side of the stand column 1, and a basic protection frame is formed, the rotating wheel handle 8 at the top of the screw rod 632 is rotated, the screw rod 632 is rotated, the moving plate 631 is axially moved downward along the screw rod 632 due to the threaded connection between the moving plate 631 and the screw rod 632, the stable plate 61 is driven to move downward, the conical spike 62 is inserted into the ground, and the base 2 is stabilized on the ground, when the height of the protection fence needs to be adjusted to adapt to different construction scenes, the rotating wheel handle 8 at the rear end of the worm 5432 is rotated, the worm 5432 is rotated to drive the worm gear 5431 engaged with the worm 5432 to rotate, the worm gear 5431 is rotated to further drive the take-up roller 541 to rotate, when the take-up roller 541 is rotated, the steel rope 53 wound on the surface of the take-up roller 541 is released or retracted, the movement of the steel rope 53 is guided by the transmission ring 52, the steel rope 53 is connected to the height-adjusting fence 4 at one end, the movement of the steel rope 53 drives the height-adjusting fence 4 to slide up and down along the sliding groove 72 on the front surface of the main body fence 3, the height of the protection fence is adjusted, the sliding block 71 on the back surface of the height-adjusting fence 4 slides along the sliding groove 72 on the front surface of the main body fence 3 during the lifting of the height-adjusting fence 4, and the stable linear movement of the height-adjusting fence 4 is ensured, when the height-adjusting fence 4 is adjusted to the appropriate height, the self-locking characteristic of the worm gear 5431 and the worm 5432 is utilized, even if external force acts on the take-up roller 541, the worm gear 5431 will not easily rotate, so that the height-adjusting fence 4 is maintained at the set height position, when the construction is completed or the protection fence needs to be moved, the rotating wheel handle 8 at the top of the screw rod 632 is reversely rotated, the screw rod 632 is reversely rotated, the moving plate 631 drives the stable plate 61 to rise, the conical spike 62 is pulled out of the ground, and the base 2 and the entire protection fence can be moved.

[0037] To sum up: the protection fence for road construction, by setting the height-adjusting fence 4, the height-adjusting fence 4 is slidably installed on the front surface of the main body fence 3 through the sliding guide assembly 7, meanwhile, the height adjusting mechanism 5 can control the height-adjusting fence 4 to move up and down, so that the protection fence can flexibly adjust the protection height according to the safety requirements of different construction scenes, and the problem that the height of the fence body is fixed and difficult to flexibly adjust according to the safety requirements of different construction scenes is solved.

[0038] It should be noted that, in this text, relational terms such as first and second are used merely to distinguish one entity or action from another, without necessarily requiring or implying any actual such relationship or order between or among the entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover non-exclusive inclusions, so that a process, method, article, or apparatus that includes a list of elements does not only include those elements, but also includes other elements not explicitly listed, or inherent to such process, method, article, or apparatus.

[0039] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A protective fence for road construction, comprising a stand (1), a base (2), a main fence (3) and an adjustable fence (4), characterized in that: The post (1) is fixedly installed on the top of the base (2), the main fence (3) is fixedly installed on the inner side of the post (1), the height-adjusting fence (4) is slidingly connected to the front of the main fence (3), the top of the main fence (3) is fixedly connected with the height adjusting mechanism (5), the height adjusting mechanism (5) comprises a support rod (51), the support rod (51) is fixedly connected to the top of the main fence (3), the top of the support rod (51) is fixedly connected with a transmission ring (52), the top of the height-adjusting fence (4) is fixedly connected with a steel wire (53), the steel wire (53) passes through the transmission ring (52), the other end of the steel wire (53) is fixedly connected with an adjusting control assembly (54), the front and rear sides of the top of the base (2) are provided with a stabilizing mechanism (6), and the left and right sides of the back of the height-adjusting fence (4) are fixedly connected with a sliding guide assembly (7).

2. The protective fence for road construction according to claim 1, characterized in that: The adjusting control assembly (54) comprises a winding and unwinding roller (541), the winding and unwinding roller (541) is fixedly connected to the other end of the steel wire (53), the left and right sides of the surface of the winding and unwinding roller (541) are movably connected with a support block (542) through bearings, the front surface of the support block (542) is fixedly connected with the back surface of the main fence (3), and the right side of the surface of the winding and unwinding roller (541) is fixedly connected with a transmission assembly (543).

3. A protective fence for road works according to claim 2, characterised in that: The stabilizing mechanism (6) comprises a stabilizing plate (61), a conical spike (62) and a plug-in assembly (63), the stabilizing plate (61) is arranged on the front and rear sides of the top of the base (2), the conical spike (62) is fixedly connected to the outer side of the bottom of the stabilizing plate (61), a plurality of conical spikes (62) are arranged and are equidistantly distributed in a rectangular shape, and the plug-in assembly (63) is fixedly connected to the inner side of the stabilizing plate (61).

4. The protective fence for road construction according to claim 1, characterized in that: The sliding guide assembly (7) comprises a sliding block (71), the sliding block (71) is fixedly connected to the left and right sides of the back of the height-adjusting fence (4), and the left and right sides of the front of the main fence (3) are provided with sliding grooves (72) matched with the sliding block (71).

5. The protective fence for road construction according to claim 3, characterized in that: The transmission assembly (543) comprises a worm wheel (5431), the worm wheel (5431) is fixedly connected to the right side of the surface of the winding and unwinding roller (541), the teeth of the worm wheel (5431) are meshed with a worm (5432), the front and rear sides of the surface of the worm (5432) are movably connected with a support frame (5433) through bearings, and the left side of the support frame (5433) is fixedly connected with the support block (542).

6. A protective fence for road works according to claim 5, characterised in that: The plug-in assembly (63) comprises a moving plate (631), the moving plate (631) is fixedly connected to the inner side of the stabilizing plate (61), the inside of the moving plate (631) is threadedly connected with a screw rod (632), and the moving plate (631) and the screw rod (632) are located in the inside of the post (1).

7. A protective fence for road works according to claim 6, characterised in that: The rear end of the worm (5432) and the top of the screw rod (632) are fixedly connected with a rotating handle (8).

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