CN210239197U

CN210239197U - Can roll up rail guard

Info

Publication number: CN210239197U
Application number: CN201920960948.XU
Authority: CN
Inventors: Haitao Wang; 王海涛; Nan Lu; 鲁楠; Shuai Yuan; 袁帅; Dewu Cao; 曹德武; Kai Zhang; 张凯
Original assignee: BEIJING CONSTR ENG
Current assignee: BEIJING CONSTR ENG
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-03
Anticipated expiration: 2029-06-24

Abstract

The utility model belongs to the technical field of the technique of rail guard and specifically relates to a can roll up rail guard is related to, it includes the base, sets up at the inside coiling mechanism of base, winding protection network on the coiling mechanism and set firmly the folding support frame that is used for supporting the protection network outside the base, the bar hole has been seted up to the base top surface, inside the base was stretched out from the bar hole to the protection network, just the one end that the base was stretched out to the protection network is provided with the jackstay. The winding device comprises a roller rotatably arranged in the base and a coil spring wound on the roller and used for driving the protective net to be wound on the roller, the coil spring is wound on the rotating shaft, one end of the coil spring is fixedly arranged on the roller, and the other end of the coil spring is fixedly connected with the protective net. The folding support frames are arranged in pairs, one end of each folding support frame is fixedly arranged on the base, and the other end of each folding support frame is fixedly arranged on the top supporting rod. The utility model discloses have through setting up rolling formula protection network, can install fast, dismantle the convenience, prevent to warp, occupation space is little, the effect of the turnover transportation of being convenient for.

Description

Can roll up rail guard

Technical Field

The utility model belongs to the technical field of building engineering's technique and specifically relates to a can roll up rail guard is related to.

Background

At present, in building engineering, the excavation depth of a through-length foundation pit is deep, so that the edge protection of the foundation pit is often a key point in the construction process, and in order to prevent safety accidents, the through-length foundation pit needs to be provided with protective guards around the foundation pit.

The existing protective guard is a shaped edge protection piece, is applied to protective facilities of a foundation pit edge, a floor edge and the like, is used for preventing people and objects from falling, ensures the safety of building construction, is assembled and installed on the site of the foundation pit edge protection when needing to be erected, and is disassembled after the construction is finished. However, the guard rail with the structure occupies a large space, is easy to deform in the transportation process, is not beneficial to turnover use in subsequent engineering and allocation among projects, and reduces the construction efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can roll up rail guard, its advantage is through setting up rolling formula protection network, and quick installation, dismantlement are convenient, prevent to warp, and occupation space is little, the turnover transportation of being convenient for.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a foldable protective guard comprises a base, a winding device arranged in the base, a protective net wound on the winding device and a foldable support frame fixedly arranged on the outer side of the base and used for supporting the protective net, wherein a strip-shaped hole is formed in the top surface of the base, the protective net extends out of the base from the strip-shaped hole, and a top support rod is arranged at one end, extending out of the base, of the protective net; the winding device comprises a roller rotatably arranged in the base and a coil spring wound on the roller and used for driving the protective net to be wound on the roller, the coil spring is wound on the rotating shaft, one end of the coil spring is fixedly arranged on the roller, and the other end of the coil spring is fixedly connected with the protective net; the folding support frames are arranged in pairs, one end of each folding support frame is fixedly arranged on the base, and the other end of each folding support frame is fixedly arranged on the top supporting rod.

By adopting the technical scheme, when the protective guard is used, the base is placed on the ground, the jacking rod is pulled upwards to drive the protective guard to be drawn out from the base, the upper support arm and the lower support arm are simultaneously straightened upwards from the folded state, and the stretched soft protective guard is supported, so that the protective guard can be formed. And when the folding supporting rod is unfolded and does not bear external force, the folding supporting rod can keep the unfolding state through self friction force and does not automatically deform. When the folding support frame is detached, the top support rod only needs to be pressed towards the base, the protective net is rolled in the rolling shaft under the action of the coil spring, and the folding support frame is folded to the side face of the base. The protective net is rolled into the base to protect the soft protective net and prevent deformation. In addition, the whole transportation is convenient in the transportation process of the base. Through setting up rolling formula protection network, the installation is quick when using, it is convenient to dismantle, prevents to warp, and occupation space is little, is convenient for have enough to meet the need the transportation.

The utility model discloses further set up to: the folding support frame comprises an upper support arm, a lower support arm and a connecting seat; the connecting seat is fixedly connected to the side surface of the base and forms a cavity with the side wall of the base; the upper end of the upper supporting arm is hinged with the top supporting rod, the lower end of the upper supporting arm is hinged with the upper end of the lower supporting arm, and the lower end of the lower supporting arm is inserted into a cavity formed by the connecting seat and the side wall of the base and is hinged through a bolt.

Through adopting above-mentioned technical scheme, folding support frame's setting can be folded between top stay bar and base to prop up or put down the protection network.

The utility model discloses further set up to: go up the cover and be equipped with fixed sleeve on the support arm, and fixed sleeve can follow the articulated department that goes up support arm lapse to last support arm and lower support arm, be close to the articulated department that goes up support arm and lower support arm on the support arm global down and be provided with the limiting plate.

By adopting the technical scheme, when the upper support arm and the lower support arm are straightened, the fixed sleeve is glidingly sleeved at the hinged part of the upper support arm and the lower support arm and is attached to the hinged part; the lower sliding pipe orifice of the fixed sleeve stops sliding continuously when reaching the limiting plate, so that the fixed sleeve is ensured to be fixed at the hinged part of the upper support arm and the lower support arm, the situation that the hinged part of the upper support arm and the lower support arm continuously rotates is avoided, and the support of the protective guard is completed.

The utility model discloses further set up to: one side that the base deviates from folding support frame sets up the detachable baffle, the upper surface of baffle is provided with first solid fixed ring, the base upper surface is provided with the solid fixed ring of the second that the first solid fixed ring of cooperation used, uses the bolt to pass first solid fixed ring and the solid fixed ring of second in proper order and uses the nut fixed.

Through adopting above-mentioned technical scheme, realized getting into quick clearance of the inside barrier of base or the change to roller, coil spring.

The utility model discloses further set up to: the outer surfaces of two ends of the base are provided with connecting plates, and threaded holes are formed in the connecting plates.

By adopting the technical scheme, when the two bases are connected, the threaded holes in the connecting plate are corresponding, the threaded holes are penetrated by bolts and are locked and fixed by nuts. The purpose of connecting the single guard rails into a whole is achieved, and the whole protection performance is enhanced.

The utility model discloses further set up to: the outer surface of the two ends of the base is hinged with a connecting plate, and the connecting plate can be folded and attached to the outer surface of the base.

By adopting the technical scheme, the connecting plate can be turned over and folded and attached to the outer surface of the end of the base, so that the base can be conveniently stored when not used and does not occupy space

The utility model discloses further set up to: hinge holes which are horizontally arranged are formed in the two sides of the base and close to the end heads, and pull rings are hinged to the hinge holes.

Through adopting above-mentioned technical scheme, handheld pull ring mentions the base and carries, and convenient and fast improves work efficiency.

The utility model discloses further set up to: the hinge hole is L type hinge hole, L type hinge hole's a right angle limit sets up along base length direction level, and another right angle limit is vertical to be set up.

Through adopting above-mentioned technical scheme, when stacking the base, stack the base in the assigned position, then slide the right-angle side that the pull ring set up through L type hinge hole level to keeping away from the vertical right-angle side that sets up of base end, promote the pull ring downwards and block the top stay bar of arranging in on the base to with the pull ring card on the vertical limit of L type hinge hole, fix it. The condition that the folding support frame is separated from the base to rotate to drive the jacking rod to be separated from the base and pull out the protective net when the base is stacked is avoided.

The utility model discloses further set up to: the circumferential surface of the pull ring is sleeved with an anti-skid rubber sleeve.

Through adopting above-mentioned technical scheme, increase the frictional force of hand and pull ring, guarantee to guarantee safety when the transport.

To sum up, the utility model discloses a beneficial technological effect does:

1. through setting up rolling rail guard, it is convenient to install fast, dismantle, prevents to warp, and occupation space is little, is convenient for have enough to meet the need the transportation.

2. Through the arrangement of the coil spring and the roller, the protective net is rapidly pulled out and wound, and the working efficiency is improved;

3. through the setting of pull ring, can mention the base and carry, convenient and fast, very big improvement work efficiency.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic structural view of the protruded baffle of the present invention;

fig. 4 is a schematic structural view of the protruding pull ring, the L-shaped hinge hole and the connecting plate of the present invention.

In the figure, 1, a base; 101. a strip-shaped hole; 102. an accommodating chamber; 103. a baffle plate; 104. a first retaining ring; 105. a second retaining ring; 2. a winding device; 201. a roller; 202. a coil spring; 3. folding the support frame; 301. an upper support arm; 302. a lower support arm; 303. a connecting seat; 304. fixing the sleeve; 305. a limiting plate; 4. a protective net; 5. a top brace rod; 6. a connecting plate; 7. a pull ring; 8. l-shaped hinge holes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

With reference to fig. 1 and 2, for the utility model discloses a foldable protective guard, including the base 1 of keeping flat on ground, set up at the inside coiling mechanism 2 of base 1, the protection network 4 of winding on coiling mechanism 2 and set firmly the folding support frame 3 that is used for supporting protection network 4 outside base 1. Base 1 is rectangular form, and the cavity 102 is held to inside hollow formation, and the upper surface of base 1 sets up the bar hole 101 that can supply protection network 4 to pass along its length direction, and bar hole 101 is close to one side that base 1 set up folding support frame 3 and is seted up. 4 one end windings of protection network are on coiling mechanism 2, and the base is stretched out from bar hole 101 to the other end, and the one end that stretches out the base has set firmly top stay 5, parallel arrangement about top stay 5 and the base 1.

As shown in fig. 2, the rolling device 2 comprises a roller 201 and a coil spring 202, wherein the roller 201 is arranged inside the base 1 and is rotatably connected with two ends of the base 1; the coil spring 202 is wound around the roller 201, and one end is fixedly connected with the roller 201, and the other end is fixedly connected with the protection net 4. When the coil spring 202 is pulled out, the coil spring 202 stores energy, and when the external force is removed, the coil spring 202 releases energy, and the coil spring 202 will automatically roll up, so that the protection net 4 can be rolled up into the base 1 conveniently. A pair of folding support frames 3 are fixed between the top stay bar 5 and the base 1, and are respectively arranged at two sides of the base 1, one end of each folding support frame 3 is fixedly arranged at the outer side surface of the base 1, and the other end of each folding support frame 3 is fixedly arranged on the top stay bar 5; the folding support frame 3 comprises an upper support arm 301, a lower support arm 302 and a connecting seat 303; the connecting seat 303 is fixedly connected to the side surface of the base 1 and forms a cavity with the side wall of the base 1; the upper end of the upper support arm 301 is hinged with the top support rod 5, and the lower end is hinged with the upper end of the lower support arm 302. The lower end of the lower arm 302 is inserted into a cavity formed by the connecting base 303 and the side wall of the base 1, and the lower arm 302 is fixed in the cavity through a bolt, and the lower arm 302 can rotate in the cavity.

When the foldable protective net is used, the base 1 is placed on the ground, the top supporting rod 5 is pulled upwards, the top supporting rod 5 drives the protective net 4 to be drawn out from the base 1, the upper supporting arm 301 and the lower supporting arm 302 are pulled upwards from the folded state at the same time, the stretched soft protective net 4 is supported, and the foldable supporting rod can be kept in the stretched state without automatic deformation through self friction when being stretched and not subjected to external force. The protective net 4 forms a protective guard under the support of the folding support frame 3 to complete enclosure.

When the device is disassembled, the top support rod 5 is only required to be pressed towards the base 1, the protective net 4 is rolled into the rolling shaft 201 under the action of the coil spring 202, the folding support frame 3 is folded to the side face of the base 1, and the rolling type protective guard is arranged, so that the device can be quickly installed, the construction safety is ensured, the follow-up construction work is facilitated, and the working efficiency is improved; and the disassembly is quicker and more convenient.

As shown in fig. 1 and 2, since the lower end of the upper arm 301 is hinged to the upper end of the lower arm 302, after the upper arm 301 and the lower arm 302 are straightened, the hinged part may continue to rotate leftward or rightward, which affects the protection effect of the protection net 4. Therefore, a fixing sleeve 304 for fixing the hinge of the upper arm 301 and the lower arm 302 is sleeved on the upper arm 301, and a limiting plate 305 is arranged on the periphery of the lower arm 302 near the hinge of the upper arm 301. When the upper support arm 301 and the lower support arm 302 are straightened, the fixing sleeve 304 is glidingly sleeved at the hinged part of the upper support arm 301 and the lower support arm 302 and is attached to the hinged part; the lower sliding pipe orifice of the fixed sleeve 304 is arranged on the limiting plate 305 and stops sliding continuously, so that the fixed sleeve 304 is ensured to be fixed at the hinged part of the upper support arm 301 and the lower support arm 302, and the condition that the hinged part of the upper support arm 301 and the lower support arm 302 rotates continuously is avoided. When the protective net 4 is disassembled, the fixing sleeve 304 is slid upwards to be separated from the hinged position of the upper support arm 301 and the lower support arm 302, the upper support arm 301 and the lower support arm 302 are folded inwards, and finally the protective net 4 is rolled up.

With reference to fig. 2 and 3, in the protection process, it is avoided that gravel cannot enter the inside of the base 1 through the strip-shaped hole 101 on the upper surface of the base 1 and is clamped in the coil spring 202 or the hinged part of the roller 201 and the base 1, so that the coil spring 202 or the roller 201 is clamped, and the rolling operation cannot be performed any more. Preferably, a vertically detachable baffle plate 103 is arranged on one side of the base 1 in the axial direction, a first fixing ring 104 is arranged on the upper surface of the baffle plate 103, a second fixing ring 105 is arranged on the upper surface of the base 1 opposite to the first fixing ring 104 at the joint of the baffle plate 103 and the base 1, and the first fixing ring 104 is fixed on the second fixing ring 105 through bolts. When the coil spring 202 or the roller 201 is clamped, the baffle plate 103 on the base 1 is detached, the roller 201 and the coil spring 202 in the base 1 are taken out, after the obstacles are cleaned, the roller 201 and the coil spring 202 are installed in the base 1, then the baffle plate 103 is reset, and then bolts sequentially penetrate through the first fixing ring 104 and the second fixing ring 105 to fix the baffle plate. Quick cleaning of obstacles entering the interior of the base 1 or replacement of the roller 201, the coil spring 202 is achieved.

As shown in fig. 4, when the guard rails are installed, the adjacent guard rails need to be connected as a whole. Therefore, the outer surfaces of the two ends of the base 1 are provided with connecting plates 6, and the connecting plates 6 are provided with threaded holes. When the two bases 1 are connected, the threaded holes in the connecting plate 6 correspond to each other, bolts penetrate through the threaded holes, and the threaded holes are locked and fixed through nuts.

The preferred, with connecting plate 6 and 1 end of base articulated, connecting plate 6 can turn over and roll over and laminate with 1 end of base surface, deposit and not occupation space when making things convenient for base 1 not to use.

After the protection is finished, the protection net 4 is retracted into the base 1 through the coil spring 202, and the base 1 is transported and allocated to other items. As shown in fig. 4, in order to facilitate carrying or moving of the base 1, hinge holes are formed in the two sides of the base 1, which are close to the two end heads and located in the length direction of the base 1, and pull rings 7 are hinged to the hinge holes. During carrying, the base 1 is lifted up by the handheld pull ring 7 and carried, convenience and rapidness are achieved, and the working efficiency is improved.

However, when the base 1 is stacked, the foldable support frame 3 may occasionally fall off to separate from the base 1, so as to rotate, drive the top stay 5 to separate from the base 1, and pull out the protection net 4. As shown in FIG. 4, the hinge holes are arranged to be L-shaped hinge holes 8, a right-angle edge of each L-shaped hinge hole 8 is horizontally arranged along the length direction of the base 1, and the other right-angle edge is vertically arranged away from the end of the base 1. When stacking base 1, stack base 1 in the assigned position, then slide the right-angle side that pull ring 7 set up through 8 levels of L type hinge hole to the right-angle side of keeping away from the vertical setting of 1 end of base, promote pull ring 7 downwards and will arrange the ejector pin 5 card on base 1 in and block pull ring 7 on the vertical limit of L type hinge hole 8, it is fixed with it.

When carrying base 1, in order to avoid pull ring 7 surface smooth, handheld pull ring 7 takes place the accident of skidding, and the preferred is equipped with anti-skidding gum cover on drawing outer global, increases hand and pull ring 7's frictional force, guarantees to guarantee safety when the transport.

The implementation principle of the embodiment is as follows: the base 1 is flatly placed on the ground, the pull ring 7 is lifted upwards, the pull ring 7 is moved outwards to expose all the top support rods 5, the upper support arms 301 and the lower support arms 302 of the folding support frame 3 are straightened, meanwhile, the protective net 4 fixedly connected to the top support rods 5 is driven to be pulled out from the base 1 through the coil springs 202 and the rollers 201, the coil springs 202 use the volute springs as power, and when the protective net is pulled out, the volute springs are tightened to store energy. A fixed sleeve 304 is sleeved at the hinged part of the upper support arm 301 and the lower support arm 302 in a sliding manner and is attached to the hinged part; the lower sliding pipe orifice of the fixed sleeve 304 is arranged on the limiting plate 305, and stops sliding continuously to form a protective guard; and then turning over and opening the connecting plate 6 at the end of the base 1, connecting the adjacent bases 1 through the connecting plate 6 and fixing the bases by bolts to complete supporting. After protection is finished, the bolts on the connecting plates 6 are detached, the connecting plates 6 are turned over and attached to the end heads of the base 1, the fixing sleeves 304 slide upwards to be separated from the hinged parts of the upper supporting arms 301 and the lower supporting arms 302, the upper supporting arms 301 and the lower supporting arms 302 are folded inwards, the coil springs 202 utilize the spiral springs as power, when external force is removed, the springs release energy, the coil springs 202 automatically roll the protective net 4, and finally the protective net 4 is collected into the base 1 to be rolled. Handheld pull ring 7 mentions base 1 and carries and stack to appointed place, when stacking base 1, stacks base 1 in assigned position, then slides the right-angle side that 1 end of base was vertical to keeping away from through the right-angle side that 8 levels of L type hinge hole set up with pull ring 7 again, and the jack stay 5 that will arrange in on the base 1 of promotion pull ring 7 downwards is blocked to with pull ring 7 card on the vertical limit of L type hinge hole 8, it is fixed with it. By arranging the rolling type protective guard, the installation can be carried out quickly, the construction safety is ensured, the subsequent construction work is facilitated, and the working efficiency is improved; and the disassembly is quicker and more convenient.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A retractable guard rail is characterized in that: the protective net winding device comprises a base (1), a winding device (2) arranged in the base (1), a protective net (4) wound on the winding device (2) and a folding support frame (3) fixedly arranged on the outer side of the base (1) and used for supporting the protective net (4), wherein a strip-shaped hole (101) is formed in the top surface of the base (1), the protective net (4) extends out of the base (1) from the strip-shaped hole (101), and a top supporting rod (5) is arranged at one end, extending out of the base (1), of the protective net (4); the winding device (2) comprises a roller (201) rotatably arranged in the base (1) and a coil spring (202) wound on the roller (201) and used for driving the protective screen (4) to be wound on the roller (201), wherein the coil spring (202) is wound on a rotating shaft, one end of the coil spring (202) is fixedly arranged on the roller (201), and the other end of the coil spring (202) is fixedly connected with the protective screen (4); the folding support frames (3) are arranged in pairs, one end of each folding support frame is fixedly arranged on the base (1), and the other end of each folding support frame is fixedly arranged on the top supporting rod (5).

2. A rollable protective fence according to claim 1, characterized in that: the folding support frame (3) comprises an upper support arm (301), a lower support arm (302) and a connecting seat (303); the connecting seat (303) is fixedly connected to the side surface of the base (1) and forms a cavity with the side wall of the base (1); the upper end of the upper support arm (301) is hinged to the top support rod (5), the lower end of the upper support arm is hinged to the upper end of the lower support arm (302), and the lower end of the lower support arm (302) is inserted into a cavity formed by the connecting seat (303) and the side wall of the base (1) and is hinged through a bolt.

3. A rollable protective fence according to claim 2, wherein: go up support arm (301) and go up the cover and be equipped with fixed sleeve (304), and fixed sleeve (304) can be followed upper boom (301) and slided downwards to the articulated department of upper boom (301) and lower support arm (302), be close to the articulated department of upper boom (301) and lower support arm (302) on lower support arm (302) global and be provided with limiting plate (305).

4. A rollable protective fence according to claim 1, characterized in that: one side that base (1) deviates from folding support frame (3) sets up detachable baffle (103), the upper surface of baffle (103) is provided with first solid fixed ring (104), base (1) upper surface is provided with the solid fixed ring of second (105) that the first solid fixed ring of cooperation (104) used, uses the bolt to pass first solid fixed ring (104) and the solid fixed ring of second (105) in proper order and fix with the nut.

5. A rollable protective fence according to claim 1, characterized in that: the outer surfaces of two ends of the base (1) are provided with connecting plates (6), and threaded holes are formed in the connecting plates (6).

6. A rollable protective fence according to claim 5, wherein: the outer surface of the two ends of the base (1) is hinged with a connecting plate (6), and the connecting plate (6) can be folded and attached to the outer surface of the base (1).

7. A rollable protective fence according to claim 1, characterized in that: hinge holes which are horizontally arranged are formed in the positions, close to the ends, of the two sides of the base (1), and the hinge holes are hinged with pull rings (7).

8. A retractable guard rail according to claim 7, wherein: the hinge hole is L type hinge hole (8), a right angle limit of L type hinge hole (8) sets up along base (1) length direction level, and the vertical setting in another right angle limit, pull ring (7) can remove in L type hinge hole (8).

9. A retractable guard rail according to claim 7, wherein: the circumferential surface of the pull ring (7) is sleeved with an anti-skid rubber sleeve.