CN210508131U - Wall type guardrail handrail - Google Patents
Wall type guardrail handrail Download PDFInfo
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- CN210508131U CN210508131U CN201920966632.1U CN201920966632U CN210508131U CN 210508131 U CN210508131 U CN 210508131U CN 201920966632 U CN201920966632 U CN 201920966632U CN 210508131 U CN210508131 U CN 210508131U
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- connecting rod
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- handrail
- rod
- supporting rods
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- 229910000831 Steel Inorganic materials 0.000 claims description 14
- 239000010959 steel Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 11
- 238000009434 installation Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 241000252185 Cobitidae Species 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011456 concrete brick Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The application relates to the technical field of constructional engineering protection equipment, and particularly discloses a wall type guardrail handrail which comprises supporting rods, wherein each supporting rod comprises a fixed supporting rod and a movable supporting rod, each fixed supporting rod is a hollow rod arranged in the vertical direction, the upper end of each fixed supporting rod is connected with the corresponding movable supporting rod in a sliding mode, and the top of each fixed supporting rod and the corresponding movable supporting rod are fixed through a hoop and a fastening bolt; the number of the supporting rods is two; a connecting rod I is arranged between the paired fixed supporting rods, and the left end and the right end of the connecting rod I are respectively hinged on the paired fixed supporting rods; a handrail is arranged between the paired movable supporting rods, and the left end and the right end of the handrail are respectively hinged on the paired movable supporting rods; the length of handrail is the same with the length of connecting rod I. The purpose of this patent is to solve the height of railing and can not adjust the problem that leads to being unfavorable for the construction.
Description
Technical Field
The utility model relates to a building engineering protective apparatus technical field, in particular to wall formula guardrail handrail.
Background
In the prior art, most of stairs are firstly made with the foundations of the stairs during building construction, and concrete bricks and guardrails are mostly installed after the buildings are built, so that accidents easily occur when building workers go upstairs and downstairs in building construction due to the fact that the guardrails are not protected, and particularly in rainy days, the stairs are wet and slippery and easily cause constructors to slip and fall off.
In addition, various adjacent places on the construction site also need to be provided with guardrails to prevent people from falling.
When the guardrail is used in special occasions, the height of the guardrail is required to be adjusted to adapt to the production or living needs of the occasions. For example, when a large crawler crane, an excavator and other equipment used in the construction process of a large bridge pile foundation are used for construction operation in a region close to a guardrail, if the adjacent guardrail is too high, the rotation operation of an upper machine body of the guardrail can be blocked, the height of the guardrail needs to be adjusted, the guardrail is mostly fixedly welded at the construction site at present, the height cannot be freely changed, the guardrail needs to be cut off and reprocessed to adapt to the operation of the crawler crane, and the processing mode is relatively long in time consumption and inconvenient. Therefore, under certain occasions, the guardrail with freely adjustable height is arranged to play an important auxiliary role in overall arrangement on site.
Chinese patent of No. CN208668825U discloses a building engineering instrument formula stair protection railing, draw together the handrail, the both ends of handrail all are equipped with a rotation groove, the inside in two rotation grooves all is connected with the turning block No. one, a turning block rotates with a rotation groove and is connected, the equal fixedly connected with bracing piece in bottom of two turning blocks No. one, the adjacent both sides of two bracing pieces all are connected with the turning block No. three, No. three turning blocks all with bracing piece fixed connection, be connected with the connecting rod between two turning blocks No. three.
Above-mentioned scheme can install in the stair both sides when building the middle stage and protect, prevents that the workman from falling down, and the handrail only needs to connect the base and pass the fixed orifices through using the bolt, will prevent that the railing fix in the stair both sides can, the installation with dismantle conveniently, can be different to the angle of various stairs, adjust the angle of handrail and connecting rod, reach the effect that is applicable to various stairs.
Although the problem of preventing that the guardrail bar is convenient to install and tear open has been solved in above-mentioned scheme and can be applicable to various stairs, still there is the height of railing and can not adjust and lead to the problem that is unfavorable for the construction.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a technical problem provides a wall formula guardrail handrail, solves the high unadjustable problem that leads to being unfavorable for the construction of railing.
In order to solve the above problem, the utility model discloses the technical scheme who adopts is: a wall type guardrail handrail comprises supporting rods, wherein each supporting rod comprises a fixed supporting rod and a movable supporting rod, each fixed supporting rod is a hollow rod arranged in the vertical direction, the upper end of each fixed supporting rod is connected with the corresponding movable supporting rod in a sliding mode, and the top of each fixed supporting rod and the corresponding movable supporting rod are fixed through a hoop and a fastening bolt; the number of the supporting rods is two; a connecting rod I is arranged between the two fixed supporting rods, and the left end and the right end of the connecting rod I are respectively hinged on the two fixed supporting rods; a handrail is arranged between the two movable supporting rods, and the left end and the right end of the handrail are respectively hinged on the two movable supporting rods; the length of handrail is the same with the length of connecting rod I.
The technical principle of the basic scheme is as follows: after the fixed support rod is fixed, the fastening bolt is unscrewed, so that the fixed support rod and the movable support rod can be loosened by the hoop, the movable support rod can slide up and down relative to the fixed support rod, after the position of the movable support rod is adjusted, the hoop is locked by the fastening bolt, so that the upper end of the fixed support rod and the movable support rod are fixed, and the height of the guardrail handrail is adjusted; the distance between two fixed support rods can be adjusted to install the guardrail handrail on two sides of the stairs with different heights.
The beneficial effect that this scheme produced is:
1. compare with the highly unadjustable of traditional guardrail, traditional guardrail highly unadjustable leads to being unfavorable for the construction, and the height-adjustable of guardrail in this application scheme to can be according to the nimble height of adjusting the guardrail of job site's demand, thereby be favorable to the construction.
2. Compared with the existing guardrail, the existing guardrail realizes the height adjustment of the guardrail through the structural coordination of a motor, a gear, a rack and the like, and the existing guardrail height adjusting device has a complex mechanism and high production cost; and through fixed bracing piece and removal bracing piece and hoop cooperation alright realize the regulation of guardrail height in this application scheme, simple structure, low in production cost to raw and other materials are easy in the job site.
3. Compared with the traditional guardrail, the traditional guardrail has a fixed structure, so that the traditional guardrail can only be installed on the horizontal ground; and the guardrail handrail in the scheme of the application can be installed on the horizontal plane and also can be installed on different stairs, and is applicable to each construction site.
Furthermore, a connecting rod II is arranged between the two movable supporting rods, and the left end and the right end of the connecting rod II are respectively hinged on the two movable supporting rods; the connecting rod II is positioned below the connecting rod I and above the hoop; a cavity is formed in the connecting rod I, a rotating shaft is rotatably connected in the connecting rod I, a torsion spring is further arranged in the connecting rod I, one end of the torsion spring is fixed on the inner wall of the connecting rod I, and the other end of the torsion spring is fixed on the rotating shaft; the top of the connecting rod I is provided with an opening; a steel wire mesh is fixed at the lower end of the connecting rod II, and the other end of the steel wire mesh is fixed on the rotating shaft; the connecting rod II and the connecting rod I are the same in length; and the fixed support rod is provided with a limiting mechanism for limiting the rotating shaft.
Open stop gear, the pivot is no longer by spacingly, the pivot can rotate for connecting rod I, loosen the hoop, can make the movable support pole up-and-down motion, the tensile wire net of movable support pole upward movement makes the pivot rotate and will convolute the epaxial wire net of commentaries on classics and expand, then use the hoop to remove the dead lever and fix the back well, it is spacing with the pivot to reuse spacing bolt, thereby avoid causing the too big and potential safety hazard in space between handrail and the connecting rod I after the movable rod rebound.
Further, stop gear includes a plurality of blind holes that the periphery of the one end of pivot set up, a plurality of blind holes are evenly arranged about the axis circumference of pivot, be provided with on the fixed stay pole with blind hole complex screw thread through-hole, screw thread through-hole female connection have with blind hole complex spacing bolt.
The limiting bolt is screwed and embedded into the blind hole to limit the rotating shaft; loosen the limit bolt soon, the pivot is rotatable, and limit bolt threaded connection can avoid limit bolt to lose and convenient operation on connecting rod I simultaneously.
Furthermore, the cross section of the hoop is in an inverted L shape, the inner side of the horizontal end of the hoop is provided with a dentate bulge, and the bulge is made of rubber.
The dentate arch is used for increasing frictional force, and the hoop will remove firmly and fix between bracing piece and the fixed stay bar, avoids removing the downward landing of bracing piece or slope, increases the steadiness of this guardrail handrail.
Further, the lower extreme of fixed stay pole is fixed with the base, offers on the base with fixed stay pole parallel arrangement's mounting hole I, I threaded connection in mounting hole has fastening screw I, fastening screw I's point portion embedding ground.
Thereby the installation of this guardrail handrail is realized to the tip of fastening screw I running through mounting hole I downwards and embedding ground.
Furthermore, set up the mounting hole II of arranging perpendicularly with the fixed stay pole on the base, II threaded connection in the mounting hole have fastening screw II, and the point portion embedding wall of fastening screw II is interior.
When the base can't be installed subaerial, thereby the installation of this guardrail handrail is realized to the pointed portion level of accessible fastening screw II through mounting hole II and embedding wall, and this guardrail handrail can be installed in the limit department that faces of the different building of width.
Drawings
Fig. 1 is a schematic view of the overall structure of the connecting rod when the connecting rod is parallel to the ground.
Fig. 2 is a schematic view of the overall structure of the connecting rod when the connecting rod forms an acute angle with the ground.
Figure 3 is a longitudinal partial cross-sectional view of the hoop.
Fig. 4 is a cross-sectional view of the connection rod I, the rotating shaft and the limiting bolt in a matched mode.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the fixed support rod 10, the base 11, the fastening screw I12, the fastening screw II 13, the movable support rod 20, the hoop 30, the fastening bolt 31, the protrusion 32, the connecting rod I40, the limiting bolt 41, the steel wire mesh 42, the rotating shaft 43, the blind hole 44, the connecting rod II 50 and the handrail 60.
The embodiments are substantially as shown in figures 1 to 4 of the accompanying drawings:
the utility model provides a wall formula guardrail handrail, as shown in figure 1, the loach carrying platform comprises a supporting rod, the bracing piece includes fixed support rod 10 and movable support rod 20, fixed support rod 10 is made by nonrust steel pipe, fixed support rod 10 arranges along vertical direction, the lower extreme of fixed support rod 10 is fixed with base 11, base 11 is made by the steel sheet, mounting hole I has been seted up on the base 11, mounting hole I and fixed support rod 10 parallel arrangement, I threaded connection in mounting hole has fastening screw I12, the point portion of fastening screw I12 runs through mounting hole I and imbeds ground downwards, thereby realize this guardrail handrail 60's installation. The quantity of mounting hole I sets up to four and evenly distributed on four angles of base 11 to increase the steadiness of base 11.
Still seted up mounting hole II on the base 11, mounting hole II arranges with fixed support bar 10 is perpendicular, and mounting hole II is perpendicular and not alternately with mounting hole I, and II threaded connection in the mounting hole have fastening screw II 13, and when base 11 can't install subaerial, thereby the installation that this guardrail handrail 60 was realized to the point portion level of accessible fastening screw II 13 runs through mounting hole II and imbeds the wall. The number of the mounting holes II is set to be 2, and the mounting holes II are located on the same horizontal plane, so that the stability of the base 11 is improved.
The upper end sliding connection of the fixed supporting rod 10 has the movable supporting rod 20, the fixed supporting rod 10 is sleeved at the periphery of the movable supporting rod 20, the movable supporting rod 20 is a steel bar, the top of the fixed supporting rod 10 is welded with a hoop 30, and the hoop 30 surrounds the periphery of the fixed supporting rod 10. As shown in fig. 3, the cross-section of the hoop 30 is an inverted "L" shape. The intersecting surface of the horizontal end and the vertical end of the hoop 30 is flush with the upper end surface of the fixed support rod 10, the inner side surface of the vertical end of the hoop 30 is welded on the fixed support rod 10, the inner side of the horizontal end of the hoop 30 is fixed with a toothed bulge 32, the bulge 32 is made of rubber materials, the toothed bulge 32 is attached to the movable support rod 20, and the toothed bulge 32 is used for increasing friction force. The two ends of the hoop 30 are connected through fastening bolts 31, the fastening bolts 31 penetrate through the two ends of the hoop 30 and are in threaded connection with fastening nuts, and the tightness of the hoop 30 can be adjusted through the cooperation of the fastening bolts 31 and the fastening nuts.
The hoop 30 firmly fixes the movable support rod 20 and the fixed support rod 10, so as to prevent the movable support rod 20 from sliding down or tilting, thereby increasing the stability of the handrail 60. When the height of the guardrail handrail needs to be adjusted, the fastening bolt 31 is loosened, and the hoop 30 is fixed on the fixed support rod 10, so that the hoop 30 is convenient to fix next time.
The number of the supporting rods is two, a connecting rod I40 is arranged between the two fixed supporting rods 10, the left end and the right end of the connecting rod I40 are respectively hinged to the two fixed supporting rods 10 through connecting blocks, a cavity is formed in the connecting rod I40, a rotating shaft 43 is rotatably connected to the inside of the connecting rod I40, a torsion spring is further arranged inside the connecting rod I40, one end of the torsion spring is fixed to the inner wall of the connecting rod I40, and the other end of the torsion spring is fixed to the rotating shaft 43; the top of connecting rod I40 is seted up the opening.
A connecting rod II 50 is arranged between the two movable supporting rods 20, and the left end and the right end of the connecting rod II 50 are respectively hinged on the two movable supporting rods 20 through connecting blocks; a steel wire mesh 42 is fixed at the lower end of the connecting rod II 50, the other end of the steel wire mesh 42 penetrates through the opening in the top of the connecting rod I40 and then is fixed on the rotating shaft 43, and the size of the steel wire mesh is smaller than that of the opening in the top of the connecting rod I40; the connecting rod II 50 is the same as the connecting rod I40 in length; and 6 blind holes 44 are respectively arranged on the peripheries of the two ends of the rotating shaft 43. As shown in fig. 4, the 6 blind holes 44 at one end of the rotating shaft 43 are uniformly arranged in the circumferential direction with respect to the axis of the rotating shaft 43, the connecting rod i 40 is provided with a threaded through hole which can be aligned with the blind holes 44 and has the same size, and the threaded through hole is internally threaded with the limit bolt 41 which has the same size as the blind holes 44.
When the blind hole 44 is aligned with the threaded through hole, the limiting bolt 41 is screwed, and the rotating shaft 43 can be limited by embedding the limiting bolt 41 into the blind hole 44; loosening limit bolt 41 makes limit bolt 41 break away from blind hole 44, when portable support pole 20 downstream, pivot 43 can rotate the inside with wire net 42 rolling at connecting rod I40 under the effect of torsional spring, when portable support pole 20 upstream, portable support pole 20 drives II 50 upstream of connecting rod, connecting rod II 50 is with wire net 42 from I40 internal stretching of connecting rod, thereby realize being connected with wire net 42 between I40 of connecting rod and the II 50 of connecting rod all the time, avoid the potential safety hazard that leads to because of the space between I40 of connecting rod that portable support pole 20 upstream leads to and the connecting rod II 50 is too big. The limiting bolt 41 is in threaded connection with the connecting rod I40, the limiting bolt 41 can be prevented from being lost, and operation is convenient.
A handrail 60 is arranged between the two movable supporting rods 20, the handrail 60 is positioned above the connecting rod II 50, the distance from the handrail 60 to the connecting rod II 50 is 15cm, and the left end and the right end of the handrail 60 are respectively hinged on the two movable supporting rods 20 through connecting blocks; the length of the armrest 60 is the same as the length of the connecting rod i 40.
The specific implementation process is as follows:
as shown in fig. 1 and 2, after a base 11 of the guardrail handrail 60 is installed at one side of a passage opening or a stair or at a roadside or a bridge edge according to the actual situation of a construction site, an included angle between a connecting rod i 40 and a horizontal plane is adjusted according to the actual situation, the distance between two adjacent two supporting rods is adjusted, then the other base 11 is fixed, two limiting bolts 41 and two fastening bolts 31 are unscrewed, two movable supporting rods 20 can be manually moved upwards at the same time, the movable supporting rods 20 drive the connecting rod ii 50 to move upwards, the connecting rod ii 50 pulls a steel wire mesh 42 to stretch the steel wire mesh 42 from the connecting rod i 40, the torsion spring stores energy, and the movable supporting rods 20 and a rotating shaft 43 are fixed respectively by screwing the fastening bolts 31 and the limiting bolts 41 after the movable supporting rods 20 are moved to a specified position.
When the height of the handrail needs to be lowered, the limiting bolts 41 and the fastening bolts 31 are unscrewed, the movable supporting rod 20 is manually moved downwards, the steel wire mesh 42 is wound on the rotating shaft 43 under the action force of the torsion spring, and after the movable supporting rod 20 moves to a specified position, the fastening bolts 31 and the limiting bolts 41 are screwed down to fix the movable supporting rod 20 and the rotating shaft 43 respectively.
Claims (6)
1. A wall formula guardrail handrail which characterized in that: the movable support rod comprises a support rod, wherein the support rod comprises a fixed support rod and a movable support rod, the fixed support rod is a hollow rod arranged in the vertical direction, the upper end of the fixed support rod is connected with the movable support rod in a sliding mode, and the top of the fixed support rod and the movable support rod are fixed through a hoop and a fastening bolt; the number of the supporting rods is two; a connecting rod I is arranged between the two fixed supporting rods, and the left end and the right end of the connecting rod I are respectively hinged on the two fixed supporting rods; a handrail is arranged between the two movable supporting rods, and the left end and the right end of the handrail are respectively hinged on the two movable supporting rods; the length of handrail is the same with the length of connecting rod I.
2. A wall guardrail handrail as claimed in claim 1, wherein: a connecting rod II is arranged between the two movable supporting rods, and the left end and the right end of the connecting rod II are respectively hinged on the two movable supporting rods; the connecting rod II is positioned below the connecting rod I and above the hoop; a cavity is formed in the connecting rod I, a rotating shaft is rotatably connected in the connecting rod I, a torsion spring is further arranged in the connecting rod I, one end of the torsion spring is fixed on the inner wall of the connecting rod I, and the other end of the torsion spring is fixed on the rotating shaft; the top of the connecting rod I is provided with an opening; a steel wire mesh is fixed at the lower end of the connecting rod II, and the other end of the steel wire mesh is fixed on the rotating shaft; the connecting rod II and the connecting rod I are the same in length; and the fixed support rod is provided with a limiting mechanism for limiting the rotating shaft.
3. A wall guardrail handrail as claimed in claim 2, wherein: stop gear includes a plurality of blind holes that the periphery of the one end of pivot set up, a plurality of blind holes are evenly arranged about the axis circumference of pivot, be provided with on the fixed stay pole with blind hole complex screw thread through-hole, screw thread through-hole female connection have with blind hole complex spacing bolt.
4. A wall guardrail handrail as claimed in claim 3, wherein: the cross section of the hoop is in an inverted L shape, the inner side of the horizontal end of the hoop is provided with a dentate bulge, and the bulge is made of rubber materials.
5. A wall guardrail arm according to claim 4, wherein: the lower extreme of fixed stay pole is fixed with the base, offers on the base with fixed stay pole parallel arrangement's mounting hole I, I female connection in mounting hole has fastening screw I, fastening screw I's point portion embedding ground.
6. A wall guardrail handrail of claim 5, wherein: set up the mounting hole II of arranging perpendicularly with the fixed stay pole on the base, II threaded connection in the mounting hole have fastening screw II, and the point portion of fastening screw II imbeds in the wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966632.1U CN210508131U (en) | 2019-06-24 | 2019-06-24 | Wall type guardrail handrail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966632.1U CN210508131U (en) | 2019-06-24 | 2019-06-24 | Wall type guardrail handrail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210508131U true CN210508131U (en) | 2020-05-12 |
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ID=70580186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920966632.1U Expired - Fee Related CN210508131U (en) | 2019-06-24 | 2019-06-24 | Wall type guardrail handrail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210508131U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112283534A (en) * | 2020-11-17 | 2021-01-29 | 三门核电有限公司 | Foldable supporting device |
| CN112878604A (en) * | 2020-10-13 | 2021-06-01 | 南通中慧建筑科技有限公司 | Mobile stair based on BIM |
-
2019
- 2019-06-24 CN CN201920966632.1U patent/CN210508131U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112878604A (en) * | 2020-10-13 | 2021-06-01 | 南通中慧建筑科技有限公司 | Mobile stair based on BIM |
| CN112283534A (en) * | 2020-11-17 | 2021-01-29 | 三门核电有限公司 | Foldable supporting device |
| CN112283534B (en) * | 2020-11-17 | 2022-04-12 | 三门核电有限公司 | Foldable supporting device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |