阅读说明：本技术 一种便于升降的建筑施工防护栏及其安装方法 (Building construction protective fence convenient to lift and installation method thereof ) 是由 刘士龙 郭立坤 杨茂山 杨金梁 王洛智 于 2020-12-18 设计创作，主要内容包括：本发明公开了一种便于升降的建筑施工防护栏及其安装方法,包括升降机构、支撑架、第一围网、第二围网、第二导向杆、固定杆、连接系统、移动机构、挂接件一和挂接件二；支撑架两侧设有两根固定杆,支撑架的两根竖杆上设有多个挂接件一；两根固定杆正面下方均可拆卸连接有移动机构；支撑架两侧设有连接系统,下方设置有使第一围网升降的升降机构,第一围网背面设有第二围网,第二围网上设有挂接件二,第二围网通过挂接件二固定在挂接件一上。本发明整体性能良好,便于根据需求随时调节防护栏的高度,稳定性强,安装方便,便于后期维护,方便了防护栏的移动,提高了施工现场的安全性,是建筑工程领域一项精致建造和绿色施工技术。(The invention discloses a building construction protective guard convenient to lift and a mounting method thereof, wherein the building construction protective guard comprises a lifting mechanism, a support frame, a first purse net, a second guide rod, a fixed rod, a connecting system, a moving mechanism, a first hanging part and a second hanging part; two sides of the support frame are provided with two fixed rods, and a plurality of first hanging and connecting pieces are arranged on two vertical rods of the support frame; a moving mechanism can be detachably connected below the front surfaces of the two fixed rods; the two sides of the support frame are provided with connecting systems, a lifting mechanism for lifting the first purse net is arranged below the support frame, the back face of the first purse net is provided with a second purse net, a hanging piece II is arranged on the second purse net, and the second purse net is fixed on the hanging piece I through the hanging piece II. The invention has good overall performance, is convenient for adjusting the height of the protective guard at any time according to requirements, has strong stability, is convenient to install and maintain at the later stage, facilitates the movement of the protective guard, improves the safety of a construction site, and is an exquisite construction and green construction technology in the field of constructional engineering.)

1. The utility model provides a building construction rail guard convenient to go up and down which characterized in that: the device comprises a lifting mechanism, a support frame (1), a first purse net (11), a second purse net (12), a second guide rod (13), a fixed rod (14), a connecting system, a moving mechanism (22), a first hanging part (23) and a second hanging part (24);

the support frame (1) is U-shaped and is formed by vertically connecting two vertical rods and a cross rod; two fixing rods (14) are vertically arranged on the outer sides of two vertical rods of the support frame (1), a plurality of hanging pieces I (23) are symmetrically arranged on the inner sides of the two vertical rods of the support frame (1), and the hanging pieces I (23) are arranged on the rear sides of the two fixing rods (14); a moving mechanism (22) can be detachably connected below the front surfaces of the two fixing rods (14); a first guide rod (8) and a screw rod (2) which are parallel to the cross rod are sequentially arranged above the cross rod of the support frame (1), and the screw rod (2) is rotatably connected with the support frame (1);

a second guide rod (13) connected with the fixing rod in a sliding manner is arranged in the fixing rod (14); the second guide rod (13) is L-shaped, the lower end face of the top of the second guide rod is fixedly connected with the upper end face of the first purse net (11), and two sides of the first purse net (11) are respectively connected with the inner sides of the two vertical rods of the support frame (1) in a sliding manner; a second purse net (12) is arranged on the back of the first purse net (11), a second hanging piece (24) is arranged on the second purse net (12), and the second purse net (12) is fixed on the first hanging piece (23) through the second hanging piece (24);

the lifting mechanism comprises a screw rod (2), a gear (3), a worm (4), a right sliding block (5), a first lug plate (5.1), a first lower sliding block (5.2), a right supporting rod (6), a fixed block (7), a left sliding block (9), a second lug plate (9.1), a second lower sliding block (9.2), a left supporting rod (10) and a first guide rod (8); the fixed block (7) is arranged in the middle of the lower end face of the first purse net (11); the top parts of the left sliding block (9) and the right sliding block (5) are respectively provided with a second lug plate (9.1) and a first lug plate (5.1), and the bottom parts of the left sliding block and the right sliding block are respectively provided with a second lower sliding block (9.2) and a first lower sliding block (5.2); the left sliding block (9) and the right sliding block (5) are in threaded connection with the screw rod (2) and are symmetrically arranged on two sides of the central line of the screw rod (2), the gear (3) is fixedly arranged at one end of the screw rod (2), and the upper part of the gear (3) is provided with a worm (4) meshed with the gear; the first lower sliding block (5.2) and the second lower sliding block (9.2) are connected to the first guide rod (8) in a sliding manner; the left support rod (10) is arranged between the fixed block (7) and the left sliding block (9) and is respectively and rotatably connected with the fixed block (7) and the second lug plate (9.1); the right supporting rod (6) is arranged between the fixed block (7) and the right sliding block (5) and is respectively and rotatably connected with the fixed block (7) and the lug plate I (5.1);

the connecting system comprises a first connecting column (151), a second connecting column (152), a first clamping rod (16), a second clamping rod (19), a spring (17), a concave rod (18), a clamping block (20) and a clamping hole (21), wherein the first connecting column, the second connecting column, the first clamping rod and the second clamping rod are vertically arranged; the first connecting column (151) and the second connecting column (152) are both fixedly connected with a vertical rod on one side of the support frame (1) and are arranged on the back of the fixed rod (14); the fixture block (20) is fixedly connected with a vertical rod on the other side of the support frame (1) and is arranged between the extension line of the lower end surface of the first connecting column (151) and the extension line of the upper end surface of the second connecting column (152); the fixture block (20) is provided with a vertical fixture hole (21); the first clamping rod (16) is connected with the first connecting column (151) in a sliding mode, a spring (17) is sleeved on the first clamping rod (16), one end of the spring (17) is fixedly connected with the upper end of the first clamping rod (16), and the other end of the spring (17) is fixedly connected with the upper end face of the first connecting column (151); concave rod (18) one end and the lower part side fixed connection of first kelly (16), the other end and the side fixed connection of second kelly (19), the lower extreme and part second kelly (19) of concave rod (18) set up in second spliced pole (152), second kelly (19) and second spliced pole (152) sliding connection, the diameter ratio of second kelly (19) is 1mm ~ 3mm less than the diameter in card hole (21), second kelly (19) and fixture block (20) sliding connection.

2. The building construction protective guard convenient to lift as claimed in claim 1, wherein the hanging member one (23) is of a square shape, a square through hole (231) is formed in the center of the hanging member one (23), and a groove (232) is formed in the top of one side of the hanging member one (23) far away from the fixing rod (14).

3. The building construction protective guard convenient to lift as claimed in claim 2, wherein the second hanging part (24) comprises a positioning block (241), a first cross bar (242), a second cross bar (243) and a longitudinal bar (244), the first cross bar (242) and the second cross bar (243) are respectively and fixedly connected with two ends of the longitudinal bar (244) to form a Z shape, the positioning block (241) is fixedly connected with the end of the first cross bar (242), the positioning block (241) is inserted into the square through hole (231) of the first hanging part (23), and the first cross bar (242) is clamped in the groove (232) of the first hanging part (23).

4. The construction protective guard convenient to lift as claimed in claim 3, wherein the width of the groove (232) of the first hitching member (23) is 1mm to 3mm larger than the width of the first cross bar (242) of the second hitching member (24).

5. The construction protective guard convenient to lift as claimed in claim 1, wherein the moving mechanism (22) comprises a moving wheel (221), a connecting member (222) and an L-shaped bearing (223), the connecting member (222) is disposed on the fixed rod (14), one end of the L-shaped bearing (223) is hinged with the connecting member (222), the other end is rotatably connected with the moving wheel (221), and the moving wheel (221) moves in a direction parallel to the first guide bar (8).

6. The construction protective guard convenient for lifting as claimed in claim 1, wherein the first and second seiners (11, 12) are thin low carbon steel nets or stainless steel nets or galvanized steel nets.

7. The building construction protective guard convenient to lift as claimed in claim 1, wherein the first purse net (11) is further provided with a reflective strip and a warning board.

8. The building construction protective guard convenient to lift as claimed in claim 5, wherein the included angle between the L-shaped bearing (223) and the fixing rod (14) is 30-120 degrees.

9. A method for installing a building construction protective guard convenient to lift as claimed in any one of claims 1 to 8, characterized in that: comprises the following steps:

the method comprises the following steps: manufacturing a lifting mechanism; preparing a screw (2) and a first guide rod (8); screwing a left sliding block (9) and a right sliding block (5) on a screw (2), respectively installing a second lug plate (9.1) and a first lug plate (5.1) at the tops of the left sliding block (9) and the right sliding block (5), respectively installing a second lower sliding block (9.2) and a first lower sliding block (5.2) at the bottoms of the left sliding block (9) and the right sliding block (5), and inserting a first guide rod (8) into the second lower sliding block (9.2) and the first lower sliding block (5.2); one end of the left support rod (10) and one end of the right support rod (6) are respectively and rotatably connected with the fixed block (7), and the other ends of the left support rod and the right support rod are respectively and rotatably connected to the second ear plate (9.1) and the first ear plate (5.1); welding a gear (3) on the screw rod (2), and installing a worm (4) meshed with the gear (3) on the upper part of the gear (3);

step two: manufacturing a support frame (1); the two vertical rods are respectively and rotatably connected with the screw rod (2), the first guide rod (8) is vertically arranged between the two vertical rods, the two vertical rods and the cross rod are vertically arranged into a U shape, the inner side of the support frame (1) is provided with a pair of symmetrically arranged sliding grooves, and the sliding grooves are matched with the first purse net (11); a plurality of hanging pieces I (23) are symmetrically arranged on a vertical rod of the support frame (1);

step three: manufacturing a connecting system; inserting the first clamping rod (16) into the first connecting column (151), welding one end of the spring (17) at the top of the first clamping rod (16), and welding the other end of the spring at the top of the first connecting column (151); the second clamping rod (19) is inserted into the second connecting column (152); manufacturing a concave rod (18), inserting a vertical rod into the first connecting column (151) and the second connecting column (152), and vertically welding a cross rod at two ends of the vertical rod respectively; then, one end of the concave rod (18) is welded on the first clamping rod (16), and the other end is welded on the second clamping rod (19); finally, a clamping hole (21) matched with the second clamping rod (19) is formed in the clamping block (20);

step four: welding the tops of the two second guide rods (13) on the first purse net (11);

step five: the fixing rod (14) is arranged on two sides of the support frame (1), the two second guide rods (13) are inserted in the fixing rod (14), a first connecting column (151) and a second connecting column (152) of the connecting system are arranged on one side of the support frame (1), the fixture block (20) is arranged on the other side of the support frame (1), and the first connecting column (151) and the second connecting column (152) are arranged on the rear side of the fixing rod (14);

step six: a fixed block (7) of a lifting mechanism is arranged in the middle of the lower side of the first purse net (11);

step seven: welding a second hanging piece (24) on the second purse net (12), and installing the second hanging piece (24) on the first hanging piece (23);

step eight: mounting a moving mechanism (22) on the lower side of the fixed rod (14); the connecting piece (222) is fixedly arranged on the fixed rod (14), one end of the L-shaped bearing (223) is hinged with the connecting piece (222), and the other end is provided with the moving wheel (221);

step nine: connecting the assembled first guard rail (25) with the second guard rail (26) through a connecting system; pressing a first clamping rod (16) of a first protective guard (25) downwards to enable a second clamping rod (19) to enter a second connecting column (152), then placing a clamping block (20) of a second protective guard (26) between the first connecting column (151) and the second connecting column (152), and loosening the first clamping rod (16) to enable the second clamping rod (19) to be inserted into a clamping hole (21) of the clamping block (20);

step ten: and step nine is repeated for the assembly of two adjacent guard rails.

Technical Field

The invention relates to the technical field of building construction safety protective fences, in particular to a building construction protective fence convenient to lift and an installation method thereof.

Background

The guard rail is a common protection device, particularly a guard rail for building construction, and is used as an isolation device for isolating construction points from the periphery to prevent an outsider from inadvertently entering the guard rail during building construction.

During building construction, the safety of constructors is guaranteed to be necessary, and building of a construction protective guard is one of important links of building construction.

However, the existing guard rail on the building site is very complicated in assembly, so that the later-stage disassembly is very complicated, and meanwhile, the height of the existing guard rail is inconvenient to adjust, most of the existing guard rail adopts positioning plug-ins and positioning holes of a guard rail support frame to match and adjust the height of the guard rail, so that more manpower is needed, and the practicability of the protection height adjustment of the guard rail is poor; in addition, the existing guard rail is not convenient to move, labor input is increased, and potential safety hazards are easily caused under the conditions of high wind and the like.

Disclosure of Invention

The invention aims to provide a building construction protective guard convenient to lift and a mounting method thereof, and solves the technical problems of how to conveniently adjust the height of the protective guard and facilitate the movement and mounting of the protective guard.

In order to achieve the purpose, the invention provides a building construction protective guard convenient to lift, which comprises a lifting mechanism, a support frame, a first purse net, a second guide rod, a fixed rod, a connecting system, a moving mechanism, a first hanging part and a second hanging part; the support frame is U-shaped and is formed by vertically connecting two vertical rods and a cross rod; two fixing rods are vertically arranged on the outer sides of the two vertical rods of the supporting frame, a plurality of first hanging and connecting pieces are symmetrically arranged on the inner sides of the two vertical rods of the supporting frame, and the first hanging and connecting pieces are arranged on the rear sides of the two fixing rods; a moving mechanism can be detachably connected below the front surfaces of the two fixed rods; a first guide rod and a screw rod which are parallel to the cross rod are sequentially arranged above the cross rod of the support frame, wherein the screw rod is rotationally connected with the support frame; a second guide rod in sliding connection with the fixed rod is arranged in the fixed rod; the second guide rod is L-shaped, the lower end face of the top of the second guide rod is fixedly connected with the upper end face of the first purse net, and two sides of the first purse net are respectively connected with the inner sides of the two vertical rods of the support frame in a sliding manner; the back of the first purse net is provided with a second purse net, a hanging piece II is arranged on the second purse net, and the second purse net is fixed on the hanging piece I through the hanging piece II; the lifting mechanism comprises a screw, a gear, a worm, a right sliding block, a first lug plate, a first lower sliding block, a right supporting rod, a fixed block, a left sliding block, a second lug plate, a second lower sliding block, a left supporting rod and a first guide rod; the fixed block is arranged in the middle of the lower end face of the first purse net; the top parts of the left sliding block and the right sliding block are respectively provided with a second lug plate and a first lug plate, and the bottom parts of the left sliding block and the right sliding block are respectively provided with a second lower sliding block and a first lower sliding block; the left sliding block and the right sliding block are in threaded connection with the screw rod and symmetrically arranged on two sides of the central line of the screw rod, the gear is fixedly arranged at one end of the screw rod, and the upper part of the gear is provided with a worm meshed with the gear; the first lower sliding block and the second lower sliding block are connected to the first guide rod in a sliding mode; the left support rod is arranged between the fixed block and the left sliding block and is respectively and rotatably connected with the fixed block and the lug plate II; the right supporting rod is arranged between the fixed block and the right sliding block and is respectively connected with the fixed block and the lug plate in a rotating way; the connecting system comprises a first connecting column, a second connecting column, a first clamping rod, a second clamping rod, a spring, a concave rod, a clamping block and a clamping hole which are vertically arranged; the first connecting column and the second connecting column are both fixedly connected with a vertical rod on one side of the support frame and are arranged on the back of the fixed rod; the clamping block is fixedly connected with the vertical rod on the other side of the support frame and is arranged between the extension line of the lower end face of the first connecting column and the extension line of the upper end face of the second connecting column; the fixture block is provided with a vertical fixture hole; the first clamping rod is connected with the first connecting column in a sliding mode, a spring is sleeved on the first clamping rod, one end of the spring is fixedly connected with the upper end of the first clamping rod, and the other end of the spring is fixedly connected with the upper end face of the first connecting column; one end of the concave rod is fixedly connected with the side face of the lower portion of the first clamping rod, the other end of the concave rod is fixedly connected with the side face of the second clamping rod, the lower end of the concave rod and part of the second clamping rod are arranged in the second connecting column, the second clamping rod is connected with the second connecting column in a sliding mode, the diameter of the second clamping rod is 1-3 mm smaller than that of the clamping hole, and the second clamping rod is connected with the clamping block in a sliding mode.

Furthermore, a bearing is arranged on a vertical rod of the support frame, the screw rod is inserted into an inner ring of the bearing, and the screw rod rotates around the bearing under the combined action of the worm and the gear.

Furthermore, the hanging and connecting piece I is shaped like a Chinese character 'hui', a square through hole is formed in the center of the hanging and connecting piece I, and a groove is formed in the top of one side, away from the fixing rod, of the hanging and connecting piece I.

Furthermore, the second hanging piece comprises a positioning block, a first transverse rod, a second transverse rod and a longitudinal rod, the first transverse rod and the second transverse rod are respectively in a Z shape and fixedly connected with the two ends of the longitudinal rod, the positioning block is fixedly connected with the end part of the first transverse rod, the positioning block is inserted in a square through hole of the first hanging piece in a socket mode, and the first transverse rod is clamped in a groove of the first hanging piece.

Furthermore, the width of the groove of the first hanging and connecting piece is 1-3 mm larger than that of the first cross rod of the second hanging and connecting piece.

Further, the moving mechanism comprises a moving wheel, a connecting piece and an L-shaped bearing, the connecting piece is arranged on the fixed rod, one end of the L-shaped bearing is hinged to the connecting piece, the other end of the L-shaped bearing is rotatably connected with the moving wheel, and the moving wheel moves in the direction parallel to the first guide rod.

Further, the first purse net and the second purse net are both thin low-carbon steel nets or stainless steel nets or galvanized steel nets.

Further, still be provided with reflection of light strip and warning sign on the first purse seine.

Furthermore, the included angle between the L-shaped bearing and the fixed rod is 30-120 degrees.

Furthermore, the cross bar of the support frame is at least composed of two pairs of cross bars in threaded connection.

Furthermore, the cross rod and the vertical rod of the support frame can be welded together, and can also be in threaded connection or inserted and fixed through bolts.

In addition, the invention also provides a method for installing the building construction protective guard, which is convenient to lift and comprises the following steps.

The method comprises the following steps: manufacturing a lifting mechanism; preparing a screw rod and a first guide rod; screwing the left sliding block and the right sliding block on the screw rod, respectively installing a second lug plate and a first lug plate on the top of the left sliding block and the top of the right sliding block, respectively installing a second lower sliding block and a first lower sliding block on the bottom of the left sliding block and the bottom of the right sliding block, and inserting the first guide rod into the second lower sliding block and the first lower sliding block; one end of each of the left supporting rod and the right supporting rod is rotatably connected with the fixed block, and the other end of each of the left supporting rod and the right supporting rod is rotatably connected to the lug plate II and the lug plate I; a gear is welded on the screw rod, and a worm meshed with the gear is arranged on the upper part of the gear.

Step two: manufacturing a support frame; the two vertical rods are respectively rotatably connected with the screw rod, the first guide rod is vertically arranged between the two vertical rods, the two vertical rods and the cross rod are vertically welded into a U shape, and a pair of symmetrically arranged sliding grooves are arranged on the inner side of the support frame and matched with the first purse net; a plurality of hanging pieces I are symmetrically arranged on a vertical rod of the support frame.

Step three: manufacturing a connecting system; inserting the first clamping rod into the first connecting column, welding one end of the spring at the top of the first clamping rod, and welding the other end of the spring at the top of the first connecting column; the second clamping rod is inserted into the second connecting column; manufacturing a concave rod, inserting a vertical rod into the first connecting column and the second connecting column, and respectively and vertically welding a cross rod at two ends of the vertical rod; then welding one end of the concave rod on the first clamping rod, and welding the other end of the concave rod on the second clamping rod; and finally, a clamping hole matched with the second clamping rod is formed in the clamping block.

Step four: and welding the tops of the two second guide rods on the first fence.

Step five: the fixing rods are installed on two sides of the supporting frame, the two second guide rod bearings are inserted into the fixing rods, the first connecting column and the second connecting column of the connecting system are installed on one side of the supporting frame, the fixture block is installed on the other side of the supporting frame, and the first connecting column and the second connecting column are arranged on the rear side of the fixing rods.

Step six: and a fixed block of a lifting mechanism is arranged in the middle of the lower side of the first purse net.

Step seven: and welding a second hanging piece on the second purse net, and installing the second hanging piece on the first hanging piece.

Step eight: mounting a moving mechanism on the lower side of the fixed rod; the connecting piece fixed mounting is on the dead lever, and L shape bearing one end is articulated with the connecting piece, and the other end is installed and is removed the wheel.

Step nine: connecting the assembled first protective guard and the assembled second protective guard through a connecting system; and pressing the first clamping rod of the first protective guard downwards to enable the second clamping rod to enter the second connecting column, then placing a clamping block of the second protective guard between the first connecting column and the second connecting column, and loosening the first clamping rod to enable the second clamping rod to be inserted into a clamping hole of the clamping block.

Step ten: and step nine is repeated for the assembly of two adjacent guard rails.

The invention has the advantages of being beneficial to the realization of the invention.

According to the building construction protective guard convenient to lift and the mounting method thereof, the lifting mechanism, the support frame and the second guide rod are matched for use, so that the first purse net is convenient to lift, the worm is rotated, the worm drives the gear to rotate, and further drives the screw to rotate, and therefore the left sliding block and the right sliding block are contracted towards the middle of the screw or slide towards two ends of the screw.

2, according to the building construction protective guard convenient to lift and the mounting method thereof, the moving mechanism can facilitate the movement of the protective guard, and workers can incline the protective guard to the self to enable the moving mechanism to be in contact with the ground, so that the movement of the protective guard can be facilitated; the moving mechanism can be installed to prevent the guard rail from falling down in extreme weather such as windy weather, and the moving wheels of the moving mechanism move along the direction parallel to the guard rail, so that the wind force perpendicular to the guard rail can be reduced, the guard rail can move transversely, the guard rail can be prevented from falling down, and potential safety hazards can be prevented.

3, according to the building construction protective guard convenient to lift and the installation method thereof, the connection system can facilitate the installation of the protective guard, and the length of the protective guard can be adjusted according to needs; pressing a first clamping rod of the first protective guard downwards to enable a second clamping rod to enter a second connecting column, then placing a clamping block of the second protective guard between the first connecting column and the second connecting column, and loosening the first clamping rod to enable the second clamping rod to be inserted into a clamping hole of the clamping block; the process can be completed by only two workers at most, so that the labor input in the installation process of the protective guard is reduced, and the construction cost is reduced.

According to the building construction protective guard convenient to lift and the installation method thereof, the reflective strips and the warning boards arranged on the first purse net can play a warning role in the daytime and at night, and safety accidents on a construction site are avoided.

5, according to the building construction protective guard convenient to lift and the mounting method thereof, provided by the invention, the cross rods and the vertical rods of the support frame can be welded together or can be in threaded connection or inserted and fixed through bolts, the cross rods of the support frame at least comprise two pairs of cross rods in threaded connection, and the distance between the two vertical rods of the support frame can be adjusted according to the field condition.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.

Drawings

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

Fig. 1 is a schematic front view of the invention without the second seine installed.

Fig. 2 is a partially enlarged schematic view of a portion a of fig. 1.

Fig. 3 is a partially enlarged schematic view of fig. 1 at B.

FIG. 4 is a schematic view showing the positional relationship between the moving mechanism and the fixing lever in the present invention.

Fig. 5 is a rear view schematic of the present invention.

Fig. 6 is a schematic top view of the present invention.

FIG. 7 is a top view of the coupling of hanger two and hanger one.

FIG. 8 is a schematic front view of the connection of hanger two and hanger one.

Fig. 9 is a top schematic view of the first hanger.

FIG. 10 is a schematic view of the assembly effect of two adjacent protective fences according to the present invention

Reference numerals: 1-support frame, 2-screw rod, 3-gear, 4-worm, 5-right slide block, 5.1-first ear plate, 5.2-first lower slide block, 6-right support rod, 7-fixed block, 8-first guide rod, 9-left slide block, 9.1-second ear plate, 9.2-second lower slide block, 10-left support rod, 11-first purse net, 12-second purse net, 13-second guide rod, 14-fixed rod, 151-first connecting column, 152-second connecting column, 16-first clamping rod, 17-spring, 18-concave rod, 19-second clamping rod, 20-clamping block, 21-clamping hole, 22-moving mechanism, 221-moving wheel, 222-connecting piece, 223-L-shaped bearing, 23-hanging piece-one-piece, 231-square through holes, 232-grooves, 24-hanging piece II, 241-positioning blocks, 242-first cross rods, 243-second cross rods, 244-longitudinal rods, 25-first protective railings and 26-second protective railings.

Detailed Description

The technical solutions of the present invention are described in detail below by examples, and the following examples are only exemplary and can be used only for explaining and illustrating the technical solutions of the present invention, but not construed as limiting the technical solutions of the present invention.

As shown in fig. 1 to 6, the invention provides a building construction protective guard convenient to lift and a mounting method thereof, comprising a lifting mechanism, a support frame 1, a first purse net 11, a second purse net 12, a second guide rod 13, a fixed rod 14, a connecting system, a moving mechanism 22, a first hanging part 23 and a second hanging part 24; the support frame 1 is U-shaped and is formed by vertically connecting two vertical rods and a cross rod, and the cross rod of the support frame 1 at least comprises two pairs of cross rods in threaded connection. The cross rods and the vertical rods of the support frame 1 can be welded together, can also be in threaded connection or inserted and fixed through bolts, and the distance between the two vertical rods of the support frame 1 can be adjusted according to the field condition.

Two fixing rods 14 are vertically arranged on the outer sides of the two vertical rods of the support frame 1, and the fixing rods 14 are round steel or round steel tubes; a plurality of hanging pieces I23 are symmetrically arranged on the inner sides of the two vertical rods of the support frame 1, the hanging pieces I23 are uniformly distributed on the two vertical rods of the support frame 1, the hanging pieces I23 are arranged on the rear sides of the two fixing rods 14, the hanging pieces I23 are in a shape like a Chinese character 'hui', a square through hole 231 is formed in the center of the hanging pieces I23, and a groove 232 is formed in the top of one side of the hanging pieces I23, which is far away from the fixing rods 14; a moving mechanism 22 is detachably connected below the front surfaces of the two fixing rods 14; a first guide rod 8 and a screw rod 2 which are parallel to the cross rod are sequentially arranged above the cross rod of the support frame 1, the screw rod 2 is rotatably connected with the support frame 1, a bearing is embedded in a vertical rod of the support frame 1, the screw rod 2 is inserted into an inner ring of the bearing, and the screw rod 2 rotates around the bearing under the combined action of the worm 4 and the gear 3; a second guide rod 13 connected with the fixing rod in a sliding manner is arranged in the fixing rod 14; the second guide rod 13 is L-shaped, the lower end surface of the top of the second guide rod is fixedly connected with the upper end surface of the first purse net 11, two sides of the first purse net 11 are respectively connected with the inner sides of the two vertical rods of the support frame 1 in a sliding manner, and the first purse net 11 is also provided with a light reflecting strip and a warning board; can play the warning effect daytime and night, avoid taking place the incident at the job site. The back of the first purse net 11 is provided with a second purse net 12, and the first purse net 11 and the second purse net 12 are both thin low-carbon steel nets or stainless steel nets or galvanized steel nets; and a second hanging part 24 is arranged on the second purse net 12, and the second purse net 12 is fixed on the first hanging part 23 through the second hanging part 24.

As shown in fig. 7 to 9, the second hanging-connecting piece 24 includes a positioning block 241, a first cross bar 242, a second cross bar 243 and a longitudinal bar 244, the first cross bar 242 and the second cross bar 243 are respectively and fixedly connected with two ends of the longitudinal bar 244 to form a Z shape, the positioning block 241 is fixedly connected with an end of the first cross bar 242, the positioning block 241 is inserted into the square through hole 231 of the first hanging-connecting piece 23, the first cross bar 242 is clamped in the groove 232 of the first hanging-connecting piece 23, and the width of the groove 232 of the first hanging-connecting piece 23 is 1mm to 3mm greater than the width of the first cross bar 242 of the second hanging-connecting piece 24.

The lifting mechanism comprises a screw rod 2, a gear 3, a worm 4, a right slide block 5, a first ear plate 5.1, a first lower slide block 5.2, a right support rod 6, a fixed block 7, a left slide block 9, a second ear plate 9.1, a second lower slide block 9.2, a left support rod 10 and a first guide rod 8; the fixed block 7 is arranged in the middle of the lower end face of the first purse net 11; the top parts of the left sliding block 9 and the right sliding block 5 are respectively provided with a second lug plate 9.1 and a first lug plate 5.1, and the bottom parts of the left sliding block 9 and the right sliding block 5 are respectively provided with a second lower sliding block 9.2 and a first lower sliding block 5.2; the left sliding block 9 and the right sliding block 5 are in threaded connection with the screw rod 2 and are symmetrically arranged on two sides of the central line of the screw rod 2, the gear 3 is fixedly arranged at one end of the screw rod 2, and the upper part of the gear 3 is provided with a worm 4 meshed with the gear 3; the first lower sliding block 5.2 and the second lower sliding block 9.2 are connected to the first guide rod 8 in a sliding manner; the left support rod 10 is arranged between the fixed block 7 and the left slide block 9 and is respectively and rotatably connected with the fixed block 7 and the second lug plate 9.1; the right supporting rod 6 is arranged between the fixed block 7 and the right sliding block 5 and is respectively and rotatably connected with the fixed block 7 and the first 5.1 lug plate. The lifting of the first purse seine 11 is facilitated by the aid of cooperation of the lifting mechanism, the support frame 1 and the second guide rod 13, the worm 4 is rotated, the worm 4 drives the gear 3 to rotate, and further drives the screw rod 2 to rotate, so that the left sliding block 9 and the right sliding block 5 are contracted towards the middle of the screw rod 2 or slide towards two ends of the screw rod 2.

The connecting system comprises a first connecting column 151, a second connecting column 152, a first clamping rod 16, a second clamping rod 19, a spring 17, a concave rod 18, a clamping block 20 and a clamping hole 21 which are vertically arranged; the first connecting column 151 and the second connecting column 152 are both fixedly connected with a vertical rod on one side of the support frame 1 and are arranged on the back of the fixed rod 14; the fixture block 20 is fixedly connected with the vertical rod on the other side of the support frame 1 and is arranged between the extension line of the lower end surface of the first connecting column 151 and the extension line of the upper end surface of the second connecting column 152; the fixture block 20 is provided with a vertical fixture hole 21; the first clamping rod 16 is slidably connected with the first connecting column 151, a spring 17 is sleeved on the first clamping rod 16, one end of the spring 17 is fixedly connected with the upper end of the first clamping rod 16, and the other end of the spring 17 is fixedly connected with the upper end face of the first connecting column 151; one end of the concave rod 18 is fixedly connected with the side face of the lower portion of the first clamping rod 16, the other end of the concave rod is fixedly connected with the side face of the second clamping rod 19, the lower end of the concave rod 18 and a part of the second clamping rod 19 are arranged in the second connecting column 152, the second clamping rod 19 is connected with the second connecting column 152 in a sliding mode, the diameter of the second clamping rod 19 is 1-3 mm smaller than that of the clamping hole 21, and the second clamping rod 19 is connected with the clamping block 20 in a sliding mode. The connecting system can facilitate the installation of the guard rail, and the length of the guard rail can be adjusted according to the requirement; pressing the first clamping rod 16 of the first guard rail 25 downwards to make the second clamping rod 19 enter the second connecting column 152, then placing the fixture block 20 of the second guard rail 26 between the first connecting column 151 and the second connecting column 152, and loosening the first clamping rod 16 to make the second clamping rod 19 inserted into the clamping hole 21 of the fixture block 20; the process can be completed by only two workers at most, so that the labor input in the installation process of the protective guard is reduced, and the construction cost is reduced.

The moving mechanism 22 comprises a moving wheel 221, a connecting piece 222 and an L-shaped bearing 223, the connecting piece 222 is arranged on the fixed rod 14, one end of the L-shaped bearing 223 is hinged with the connecting piece 222, the other end of the L-shaped bearing 223 is rotatably connected with the moving wheel 221, an included angle between the L-shaped bearing 223 and the fixed rod 14 is 30-120 degrees, and the moving wheel 221 moves in a direction parallel to the first guide rod 8. The moving mechanism 22 can facilitate the movement of the guard rail, and workers can incline the guard rail to the worker to enable the moving mechanism 22 to be in contact with the ground, so that the guard rail can be conveniently moved; the moving mechanism 22 can be installed to prevent the guard rail from falling down in extreme weather, such as windy weather, and the moving wheels 221 of the moving mechanism 22 move in the direction parallel to the guard rail, so that the wind force perpendicular to the guard rail can be reduced, the guard rail can move transversely, the guard rail can be prevented from falling down, and the potential safety hazard can be prevented.

In addition, the invention also provides a method for installing the building construction protective guard convenient to lift, which comprises the following steps as shown in figures 1-10.

The method comprises the following steps: manufacturing a lifting mechanism; preparing the screw 2 and the first guide rod 8; screwing the left slide block 9 and the right slide block 5 on the screw rod 2, respectively welding a second lug plate 9.1 and a first lug plate 5.1 on the tops of the left slide block 9 and the right slide block 5, respectively welding a second lower slide block 9.2 and a first lower slide block 5.2 on the bottoms of the left slide block 9 and the right slide block 5, and inserting the first guide rod 8 into the second lower slide block 9.2 and the first lower slide block 5.2; one end of the left support rod 10 and one end of the right support rod 6 are respectively hinged with the fixed block 7, and the other ends of the left support rod and the right support rod are respectively hinged on the second ear plate 9.1 and the first ear plate 5.1; a gear 3 is welded to the screw 2, and a worm 4 engaged with the gear 3 is mounted on the gear 3.

Step two: manufacturing a support frame 1; the two vertical rods are respectively and rotatably connected with the screw rod 2, the first guide rod 8 is vertically welded between the two vertical rods, the two vertical rods and the cross rod are vertically welded into a U shape, and the inner side of the support frame 1 is provided with a pair of symmetrically arranged sliding grooves which are matched with the first purse net 11; a plurality of hanging pieces I23 are symmetrically arranged on the vertical rod of the support frame 1.

Step three: manufacturing a connecting system; inserting the first clamping rod 16 into the first connecting column 151, welding one end of the spring 17 on the top of the first clamping rod 16, and welding the other end of the spring 17 on the top of the first connecting column 151; the second clamping rod 19 is inserted into the second connecting column 152; manufacturing a concave rod 18, inserting a vertical rod into the first connecting column 151 and the second connecting column 152, and respectively and vertically welding a cross rod at two ends of the vertical rod; then one end of the concave rod 18 is welded on the first clamping rod 16, and the other end is welded on the second clamping rod 19; finally, the fixture block 20 is provided with a fixture hole 21 matched with the second fixture rod 19.

Step four: two second guide bars 13 are welded on top of the first seine 11.

Step five: the fixing rod 14 is welded on two sides of the support frame 1, the two second guide rods 13 are inserted into the fixing rod 14, the first connecting column 151 and the second connecting column 152 of the connecting system are welded on one side of the support frame 1, the fixture block 20 is welded on the other side of the support frame 1, and the first connecting column 151 and the second connecting column 152 are arranged on the rear side of the fixing rod 14.

Step six: and a fixed block 7 of a lifting mechanism is arranged at the middle position of the lower side of the first purse net 11.

Step seven: and welding a second hanging piece 24 on the second purse net 12, and installing the second hanging piece 24 on the first hanging piece 23.

Step eight: mounting the moving mechanism 22 on the lower side of the fixing rod 14; the connecting piece 222 is installed on the fixed rod 14, one end of the L-shaped bearing 223 is hinged with the connecting piece 222, and the other end is provided with the moving wheel 221.

Step nine: as shown in fig. 10, the assembled first guard rail 25 and second guard rail 26 are connected by a connection system; the first catching bar 16 of the first guard rail 25 is pressed downward to allow the second catching bar 19 to enter the second coupling post 152, the latch 20 of the second guard rail 26 is placed between the first coupling post 151 and the second coupling post 152, and the first catching bar 16 is released to allow the second catching bar 19 to be inserted into the catching hole 21 of the latch 20.

Step ten: and step nine is repeated for the assembly of two adjacent guard rails.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The primary objects and other advantages of the invention may be realized and attained by the instrumentalities particularly pointed out in the specification.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that may be made by those skilled in the art within the technical scope of the present invention will be covered by the scope of the present invention.