CN216042569U

CN216042569U - Fixing device and protective structure for installing steel structure fence

Info

Publication number: CN216042569U
Application number: CN202122636413.7U
Authority: CN
Inventors: 史长渊; 赵立刚; 王正平; 何子东; 谢达; 张凯; 段剑; 杨厚峰; 张舵; 陈立亚
Original assignee: State Grid Corp of China SGCC; Hengshui Power Supply Co of State Grid Hebei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Hengshui Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-03-15
Anticipated expiration: 2031-10-29

Abstract

The utility model provides a fixing device and a protective structure for installing a steel structure fence, belonging to the technical field of fence installation, wherein the steel structure fence comprises a fence body, the fence body is positioned on the outer side of an I-shaped steel, and the fixing device comprises an installation frame, a first clamping part, a second clamping part and an inserting part: the mounting frame is provided with a supporting surface, the first clamping portion and the second clamping portion are respectively provided with a clamping surface, the supporting surface and the two clamping surfaces enclose a clamping space for clamping a lower flange plate of the I-shaped steel, and the inserting portion is suitable for being inserted into the lower end face of the fence body; compared with the prior art, through the cooperation of mounting bracket, first joint portion, second joint portion and grafting portion, need not to cause the destruction to the structure of I-steel and just can fix the mounting bracket on the lower flange board of I-steel, and can fix the edge at construction platform with the rail through pegging graft of rail and grafting portion, and then make the rail play the effect of protection to construction platform.

Description

Fixing device and protective structure for installing steel structure fence

Technical Field

The utility model belongs to the technical field of fence installation, and particularly relates to a fixing device and a protection structure for installing a steel structure fence.

Background

When high-altitude construction is carried out, a fence needs to be installed at the edge of a construction platform for safety protection; the construction platform comprises an I-shaped steel framework and a construction panel fixed on the upper surface of the I-shaped steel framework, the fence is arranged along the circumferential direction of the construction panel, and the bottom of the fence is fixedly arranged on the I-shaped steel framework at the edge position of the construction panel; the I-steel includes top flange board, lower flange board and web, and the web is located between top flange board and the lower flange board, and the top and the bottom of web respectively with top flange board and lower flange board fixed connection.

There are two ways to install the pen: firstly, welding a connecting piece on an I-shaped steel in advance in a factory, and inserting the fence on the connecting piece of the I-shaped steel framework after the I-shaped steel framework is welded; the second is to punch holes on the upper flange plate of the I-steel and then install the fence on site.

However, the two modes can damage the structure of the I-shaped steel, and potential safety hazards exist in the actual use process.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a fixing device for mounting a steel structure fence and a protection structure, and aims to solve the technical problem of potential safety hazards existing in the conventional fence mounting mode.

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

the utility model provides an installation steel construction rail's fixing device, steel construction rail includes the rail body, the rail body is located the outside of I-steel, fixing device includes the mounting bracket, sets up relatively first joint portion and second joint portion on the mounting bracket, and set up and be located on the mounting bracket the peripheral grafting portion of second joint portion:

the mounting frame is provided with a supporting surface for supporting the lower flange plate, the first clamping portion and the second clamping portion are provided with clamping surfaces for clamping the side surface and the top surface of the lower flange plate, the supporting surface and the two clamping surfaces enclose a clamping space for clamping the lower flange plate of the I-shaped steel, and the inserting portion is suitable for being inserted into the lower end surface of the fence body.

In a possible implementation manner, the mounting frame comprises a fixed frame and a movable frame which is connected with the fixed frame in a sliding manner along the width direction of the lower flange plate; the fixed frame and the movable frame are fixed through a fastener;

the upper surface of the fixed frame and the upper surface of the movable frame jointly form the supporting surface;

the first clamping portion is arranged on the fixing frame, and the second clamping portion and the inserting portion are arranged on the moving frame.

In some embodiments, the upper surface of the fixed frame has a sliding groove extending along the width direction of the lower flange plate, and the movable frame is slidably disposed in the sliding groove;

the lateral wall of spout is equipped with limit structure, limit structure is suitable for along the direction of height spacing the mount with remove the frame.

In some embodiments, both sides of the sliding groove are provided with sliding ways, and the limiting structure comprises a sliding part in sliding fit with the sliding ways;

the sliding part is fixed on the side wall of the movable frame.

In some embodiments, a plurality of grooves are formed in the surface of the sliding portion, balls are arranged in the grooves, the balls are in running fit with the grooves, and the balls are in contact with the inner wall surface of the slideway.

In some embodiments, the fixed frame is provided with a connecting hole, and the movable frame is provided with a plurality of threaded holes arranged at intervals along the width direction of the lower flange plate;

the fastening piece is provided with external threads, is inserted into the connecting hole along the up-down direction and is in threaded fit with any threaded hole.

In a possible implementation manner, a height adjusting mechanism is arranged on the mounting frame and is suitable for adjusting the height of the first clamping portion and the height of the second clamping portion, so that the first clamping portion and the second clamping portion are matched with lower flange plates with different thicknesses.

In some embodiments, through holes are formed in the mounting frame near the first clamping portion and the second clamping portion;

the height adjusting mechanism comprises a screw rod and a nut, one end of the screw rod is suitable for being connected with the lower surfaces of the first clamping portion and the second clamping portion, and the other end of the screw rod is suitable for penetrating through the through hole of the mounting frame;

the nut is located the lower surface of mounting bracket and with screw thread fit.

In a possible embodiment, a damping layer is provided on both the support surface and the clamping surface.

In this application embodiment, the supporting surface on the mounting bracket contacts with the lower surface of lower flange board, and the clamping surface in first joint portion and the second joint portion contacts with the both ends of lower flange board upper surface respectively.

Through the cooperation of mounting bracket, first joint portion and second joint portion, can make the mounting bracket fix on the lower flange board of I-steel.

The extension face that has outside extension on the mounting bracket faces up and is located the outside of I-steel, pegs graft through grafting portion and rail body, can fix the marginal position at construction platform with the rail body, and then plays safety protection's effect.

Through the fixing mode, the structure of the I-shaped steel cannot be damaged, and potential safety hazards can be reduced.

Compared with the prior art, the fixing device for mounting the steel structure fence can fix the mounting frame on the lower flange plate of the I-shaped steel without damaging the structure of the I-shaped steel through the matching of the mounting frame, the first clamping part, the second clamping part and the inserting part, and can fix the fence body on the edge of a construction platform through the inserting connection of the fence body and the inserting part, so that the fence body plays a role in protecting the construction platform.

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

the utility model provides a protective structure, includes steel construction rail and foretell fixing device, the steel construction rail includes the rail body, the rail body is located the outside of I-steel.

The beneficial effect of the protection structure provided by the utility model is the same as that of the fixing device, and the description is omitted here.

Drawings

Fig. 1 is a schematic structural view of a fixing device for installing a steel structure fence according to an embodiment of the present invention;

fig. 2 is a schematic view of a fixing frame part of the fixing device for mounting the steel structure fence according to the embodiment of the utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

fig. 5 is a schematic view of a fastener part of a fixing apparatus for installing a steel structure fence according to an embodiment of the present invention;

FIG. 6 is a schematic view showing the state where the fixing device is mounted on the I-beam;

FIG. 7 is a front view of the attachment device mounted to an I-beam;

description of reference numerals: 1. a mounting frame; 11. a support surface; 12. an extension plane; 13. a fixed mount; 131. a chute; 132. a slideway; 14. a movable frame; 141. a sliding part; 1411. a groove; 142. a ball bearing; 143. a threaded hole; 15. a fastener; 2. a first clamping part; 21. a clamping surface; 22. bending the end; 23. a T-shaped slot; 3. a second clamping part; 4. a plug-in part; 5. i-shaped steel; 51. a lower flange plate; 6. a fence body; 61. a vertical rod; 62. a transverse connecting rod; 7. a screw; 8. a nut; 9. a rib plate; 91. a T-shaped block.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1 to 7 together, the fixing device for installing the steel fence according to the present invention will now be described. Installation steel structure rail's fixing device, steel structure rail include rail body 6, and rail body 6 is located the outside of I-steel 5, and fixing device includes mounting bracket 1, relative first joint portion 2 and the second joint portion 3 that sets up on mounting bracket 1 to and set up on mounting bracket 1 and be located 3 outlying grafting portions 4 of second joint portion:

the mounting frame 1 is provided with a supporting surface 11 for supporting the lower flange plate 51, the first clamping portion 2 and the second clamping portion 3 are provided with clamping surfaces 21 for clamping the side surface and the top surface of the lower flange plate 51, the supporting surface 11 and the two clamping surfaces 21 enclose a clamping space for clamping the lower flange plate 51 of the I-steel 5, and the inserting portion 4 is suitable for being inserted into the lower end surface of the fence body 6.

In the embodiment of the present application, the supporting surface 11 on the mounting bracket 1 contacts with the lower surface of the lower flange plate 51, and the clamping surfaces 21 on the first clamping portion 2 and the second clamping portion 3 contact with two ends of the upper surface of the lower flange plate 51, respectively.

Through the cooperation of mounting bracket 1, first joint portion 2 and second joint portion 3, can make mounting bracket 1 fix on the lower flange board 51 of I-steel 5.

The mounting bracket 1 is provided with an extending surface 12 extending outwards, the extending surface 12 faces upwards and is located outside the I-shaped steel 5, and the fence body 6 can be fixed at the edge position of a construction platform through the insertion part 4 in an insertion manner, so that the safety protection effect can be achieved.

Through the fixing mode, the structure of the I-shaped steel 5 cannot be damaged, and potential safety hazards can be reduced.

Compared with the prior art, the fixing device provided by the utility model has the advantages that the mounting frame 1 can be fixed on the lower flange plate 51 of the I-shaped steel 5 without damaging the structure of the I-shaped steel 5 through the matching of the mounting frame 1, the first clamping part 2, the second clamping part 3 and the inserting part 4, the fence body 6 can be fixed at the edge of the construction platform through the inserting connection of the fence body 6 and the inserting part 4, and the fence body 6 can further play a role in protecting the construction platform.

In some embodiments, as shown in fig. 1 to 7, the mounting frame 1 includes a fixed frame 13 and a movable frame 14 slidably connected to the fixed frame 13 along the width direction of the lower flange plate 51; the fixed frame 13 and the movable frame 14 are fixed by a fastener 15.

The upper surface of the fixed frame 13 and the upper surface of the moving frame 14 together form the supporting surface 11.

The first clamping portion 2 is disposed on the fixing frame 13, and the second clamping portion 3 and the inserting portion 4 are disposed on the moving frame 14.

The fastener 15 has a first end adapted to be coupled to the fixed frame 13 and a second end adapted to be coupled to the mobile frame 14.

The upper surface of the fixed frame 13 and the upper surface of the movable frame 14 are in the same plane, the first clamping portion 2 and the second clamping portion 3 are both provided with bending ends 22, when the movable frame is installed, the bending ends 22 are located on the upper surface of the lower flange plate 51, and the lower surface of the bending ends 22 is in contact with the upper surface of the lower flange plate 51;

the lower surface of the bending end 22 is a clamping surface 21, and the bending ends 22 of the first clamping part 2 and the second clamping part 3 are oppositely arranged.

When installing mounting bracket 1, can be according to the width regulation mount 13 of I-steel 5 lower flange plate 51 and remove the distance between the frame 14, consequently can make clamping surface 21 on first joint portion 2 and the second joint portion 3 contact with the both ends of the upper surface of lower flange plate 51 respectively, be convenient for block mount 13 and removal frame 14 on the lower flange plate 51 of I-steel 5.

After the position of the fixed frame 13 and the movable frame 14 is adjusted, the position of the fixed frame 13 and the position of the movable frame 14 are fixed by the fastening member 15, so that the fixed frame 13 and the movable frame 14 can be clamped on the lower flange plate 51 of the i-beam 5.

Consequently, can make grafting portion 4 fix the border position at I-steel 5 steadily, peg graft through rail body 6 and grafting portion 4, can make rail body 6 fix the edge at construction platform, consequently the rail body 6 of being convenient for protects construction platform.

In some embodiments, as shown in fig. 1 to 7, the upper surface of the fixing bracket 13 has a slide groove 131 extending in the width direction of the lower flange plate 51; the moving frame 14 is slidably engaged with the slide groove 131.

The width of the moving frame 14 is smaller than that of the fixed frame 13, so that the moving frame 14 can be installed in the slide groove 131 of the fixed frame 13 and can slide in the slide groove 131.

Remove the spout 131 sliding fit of frame 14 and mount 13, can increase mount 13 and the whole length of removing frame 14, and then can adjust the distance between first joint portion 2 and the second joint portion 3 according to the width of flange plate 51 down, be convenient for make clamping surface 21 in first joint portion 2 and the second joint portion 3 respectively with the both ends contact of the upper surface of flange plate 51 down, fix mounting bracket 1 on flange plate 51 down.

The side wall of the sliding groove 131 is provided with a limiting structure, and the limiting structure is suitable for limiting the fixed frame 13 and the movable frame 14 along the height direction.

The limiting structure can limit the fixed frame 13 and the movable frame 14 in the height direction, so that the movable frame 14 can only slide along the sliding groove 131 in the horizontal direction, and the stability of the movable frame 14 in the sliding process is improved conveniently.

It should be noted that, the width of the movable frame 14 may also be greater than the width of the fixed frame 13, the chute 131 is arranged on the upper surface of the movable frame 14, the fixed frame 13 is located in the chute 131, the movable frame 14 is in sliding fit with the fixed frame 13 through the chute 131, and then the overall length of the movable frame 14 and the fixed frame 13 is adjusted, the positions of the first clamping portion 2 and the second clamping portion 3 are convenient to adjust according to the width of the flange plate 51 under the i-beam 5, and therefore the mounting frame 1 is clamped on the lower flange plate 51 of the i-beam 5 through the cooperation of the first clamping portion 2, the second clamping portion 3 and the mounting frame 1.

In some embodiments, as shown in fig. 1 to 7, the sliding grooves 132 are disposed on both sides of the sliding groove 131, and the limiting structure includes a sliding portion 141 slidably engaged with the sliding grooves 132; the sliding portion 141 is fixed to a side wall of the moving frame 14.

The two sliding portions 141 are fixed to both sides of the moving frame 14, and the sliding portions 141 are located in the sliding grooves 131.

The side wall of the slide rail 132 contacts the side wall of the sliding portion 141, and the slide rail 132 can limit the height direction of the sliding portion 141 to prevent the sliding portion 141 from sliding in the height direction, so that the sliding of the moving frame 14 in the height direction can be limited.

Meanwhile, the moving frame 14 is slidably engaged with the slide rail 132 through the sliding portion 141, so that the sliding direction of the moving frame 14 can be guided, and the stability of the moving frame 14 during sliding can be improved.

In some embodiments, as shown in fig. 1 to 7, a plurality of grooves 1411 are formed on a surface of the sliding portion 141, balls 142 are disposed in the grooves 1411, the balls 142 are rotatably engaged with the grooves 1411, and the balls 142 contact an inner wall surface of the slide 132.

The groove 1411 is spherical, and the diameter of the opening of the surface of the groove 1411 and the sliding part 141 is smaller than that of the ball 142, so that the ball 142 can rotate in the groove 1411 and cannot slide out of the groove 1411.

Through the arrangement, the relative position between the ball 142 and the groove 1411 can be ensured, the ball 142 can be always in contact with the inner wall surface of the slide way 132 in the process that the sliding part 141 slides in the slide way 132, the abrasion between the sliding part 141 and the slide way 132 can be reduced, and the sliding part 141 can conveniently slide in the slide way 132.

In some embodiments, as shown in fig. 1 to 7, the fixing frame 13 is provided with a connecting hole, and the moving frame 14 is provided with a plurality of threaded holes 143 along the width direction of the lower flange plate 51, wherein one of the threaded holes 143 is aligned with the connecting hole.

During the sliding process of the movable frame 14, different threaded holes 143 on the movable frame 14 can be aligned with the connecting holes on the fixed frame 13, and after the position is adjusted, the movable frame 14 can be fixed on the fixed frame 13 by matching the fasteners 15 with the connecting holes and the threaded holes 143.

The fastening piece 15 is provided with external threads, and the fastening piece 15 is inserted into the connecting hole and is in threaded fit with the threaded hole 143; after the position of the movable frame 14 is adjusted, one end of the fastening piece 15 passes through the connecting hole of the fixed frame 13 and is in threaded fit with the threaded hole 143 on the movable frame 14; since the outer end of the fastening member 15 is provided with an abutment surface that abuts against the lower surface of the fixed frame 13, the adjusted movable frame 14 can be fixed to the fixed frame 13 easily by fitting the fastening member 15 to the connection hole and the screw hole 143.

It should be noted that the axis of the connecting hole and the axis of the threaded hole 143 may be perpendicular to the sliding direction of the moving frame 14, the fastener 15 may be a pin, after the position of the moving frame 14 is adjusted, the threaded hole 143 on the moving frame 14 is aligned with the connecting hole on the fixed frame 13, and then the pin is inserted into the connecting hole and the threaded hole 143, so as to fix the positions of the fixed frame 13 and the moving frame 14; the fixed frame 13, the movable frame 14, the first clamping portion 2 and the second clamping portion 3 are matched, and can be stably fixed on the lower flange plate 51 of the I-shaped steel 5, so that after the fence body 6 is spliced with the splicing portion 4, the stability of the fence body 6 is improved conveniently.

In some embodiments, as shown in fig. 1, a height adjusting mechanism is disposed on the mounting frame 1, and the height adjusting mechanism is adapted to adjust the heights of the first clamping portion 2 and the second clamping portion 3, so that the first clamping portion 2 and the second clamping portion 3 match with the lower flange plates 51 with different thicknesses.

The height adjustment mechanism can adjust the height of first joint portion 2 and second joint portion 3, consequently can adjust the height of first joint portion 2 and second joint portion 3 according to the lower flange plate 51 of different thickness, the last clamping surface 21 of the first joint portion 2 of being convenient for and the upper surface contact of second joint portion 3 with lower flange plate 51.

In some embodiments, as shown in fig. 1 to 7, through holes are formed in the mounting frame 1 near the first clamping portion 2 and the second clamping portion 3; the through-hole aligns with the lower surfaces of the first and

second clamping portions

2 and 3.

Height adjusting mechanism includes screw rod 7 and nut 8, and the one end of screw rod 7 is suitable for and is connected with the lower surface fixed connection of first joint portion 2 and second joint portion 3, and the other end of screw rod 7 is suitable for the through-hole that passes mounting bracket 1.

The nut 8 is positioned on the lower surface of the mounting rack 1 and is in threaded fit with the screw 7; after the screw rod 7 passes through the through hole of the mounting frame 1, the nut 8 is in threaded fit with the penetrating end of the screw rod 7, and the first clamping portion 2 and the second clamping portion 3 can be fixed on the mounting frame 1.

After the clamping surface 21 of the first clamping portion 2 and the second clamping portion 3 contacts with the upper surface of the lower flange plate 51, the first clamping portion 2, the second clamping portion 3 and the mounting frame 1 can be clamped on the lower flange plate 51 through the screw nuts 8 and the screw rods 7 in threaded fit, and the mounting frame 1 is convenient to further fix.

In some embodiments, as shown in fig. 1 to 7, the support surface 11 and the clamping surface 21 are provided with buffer layers, and the buffer layers can play a role of buffering, so that the abrasion of the support surface 11 and the clamping surface 21 can be reduced when the support surface 11 and the clamping surface 21 are in contact with the lower flange plate 51, and the service life can be prolonged.

It should be noted that one side of the buffer layer is an adhesive surface, and the buffer layer is adhered to the supporting surface 11 and the clamping surface 21 through the adhesive surface, so that the buffer layer can be conveniently replaced after the buffer layer is damaged.

Through first joint portion 2, second joint portion 3 and the 1 joint of mounting bracket in this application, can fix mounting bracket 1 on I-steel 5 when using. After the mounting frame is used, the mounting frame 1 can be detached from the I-shaped steel 5; and the structure of the I-steel 5 cannot be damaged in the dismounting process, the performance of the I-steel 5 can be improved, and the potential safety hazard is reduced.

It should be noted that, the rib plate 9 can be arranged on the side where the first clamping portion 2 and the second clamping portion 3 deviate from each other, the bottom of the rib plate 9 is fixedly connected with the supporting surface 11, and one side of the rib plate 9 is in sliding fit with the first clamping portion 2 and the second clamping portion 3.

Through the arrangement, on one hand, the connection between the first clamping part 2 and the second clamping part 3 and the mounting frame 1 can be enhanced; on the other hand, when adjusting the height of first joint portion 2 and second joint portion 3, can also carry on spacingly to first joint portion 2 and second joint portion 3.

The rib 9 slides in the same manner as the first engaging portion 2 and the second engaging portion 3, and the rib 9 and the first engaging portion 2 are taken as an example in the present embodiment. A T-shaped groove 23 is formed in one side, away from the second clamping portion 3, of the first clamping portion 2, and the T-shaped groove 23 is formed in the height direction and penetrates through the top and the bottom of the first clamping portion 2; the rib 9 has a T-shaped block 91 which is a sliding fit in the T-shaped slot 23. Rib plate 9 passes through T-shaped piece 91 and the T-shaped groove 23 sliding fit in first joint portion 2, when adjusting the height of first joint portion 2, can lead to first joint portion 2, and then makes the slip of first joint portion 2 more steady.

Based on the same utility model concept, the utility model also provides a protective structure, which comprises a fence body 6 and the fixing device, wherein the steel structure fence comprises the fence body 6, the fence body 6 is positioned at the outer side of the I-shaped steel 5, and the fence body 6 is provided with a plug hole suitable for being plugged with the plug part 4.

In some embodiments, the fence body 6 comprises a plurality of vertical rods 61 and a plurality of transverse connecting rods 62, the inserting holes are formed at the bottom ends of the vertical rods 61, and each vertical rod 61 is inserted into one inserting portion 4, so that the vertical rods 61 can be arranged in the circumferential direction of the construction platform.

After montant 61 grafting finishes, horizontal connecting rod 62 level sets up, and horizontal connecting rod 62 connects two adjacent montants 61 through the fastener, consequently can make montant 61 and horizontal connecting rod 62 form a whole, is convenient for improve the stability of montant 61 and horizontal connecting rod 62 when using.

In some embodiments, the outer peripheral wall of the insertion part 4 is provided with an external thread, the insertion hole at the bottom of the vertical rod 61 is a threaded hole 143, and the vertical rod 61 and the insertion part 4 are connected through a thread, so that the connection between the vertical rod 61 and the mounting frame 1 can be enhanced, and the situation that the vertical rod 61 is separated from the mounting frame 1 is reduced. After the vertical rod 61 is inserted into the insertion part 4, the outer peripheral wall of the vertical rod 61 contacts with one side of the guide part 9, so that the vertical rod 61 can resist partial bending, and the service life of the vertical rod 61 is prolonged.

The construction process of the protective structure comprises the following steps: the support surface 11 of the holder 13 is brought into contact with the lower surface of the lower flange plate 51, and the clamp surface 21 of the first engaging portion 2 on the holder 13 is brought into contact with the upper surface of the lower flange plate 51.

The moving frame 14 is then slid so that the clamping surface 21 on the second catching portion 3 on the moving frame 14 is in contact with the upper surface of the lower flange plate 51.

After the position of the movable frame 14 is adjusted, one of the threaded holes 143 on the movable frame 14 is aligned with the connecting hole on the fixed frame 13; the movable frame 14 can be fixed to the fixed frame 13 by inserting the fastening member 15 into the connecting hole and screwing the fastening member into the screw hole 143.

At this time, the mounting bracket 1 can be fixed on the lower flange plate 51 of the i-beam 5 by the cooperation of the first clamping portion 2, the second clamping portion 3 and the mounting bracket 1.

After the mounting frame 1 is fixed on the lower flange plate 51, the insertion part 4 on the mounting frame 1 is located outside the I-steel 5, the fence body 6 is inserted into the insertion part 4 on the mounting frame 1 through the insertion hole, and the fence body 6 can be fixed on the edge of a construction platform.

Through setting up a plurality of mounting brackets 1 and rail body 6 along construction platform's circumference, can make rail body 6 distribute along construction platform's circumference.

The two adjacent vertically arranged fence bodies 6 are connected through the transverse connecting rods 62, so that the stability of the fence bodies 6 in use can be improved.

Through the cooperation of screw rod 7 and nut 8, can adjust the height of first joint portion 2 and second joint portion 3, the lower flange board 51 of the different thickness of first joint portion 2 and the adaptation of second joint portion 3 of being convenient for, and can make the chucking of first joint portion 2 and second joint portion 3 on the lower flange board 51 of I-steel 5.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an installation steel construction rail's fixing device, steel construction rail includes the rail body, the outside at the I-steel is established to the rail body, its characterized in that, fixing device includes the mounting bracket, sets up relatively first joint portion and second joint portion on the mounting bracket, and set up and be located on the mounting bracket the peripheral grafting portion of second joint portion:

2. The fixing device for installing the steel structure fence as claimed in claim 1, wherein the mounting frame comprises a fixed frame and a moving frame slidably connected with the fixed frame along the width direction of the lower flange plate; the fixed frame and the movable frame are fixed through a fastener;

3. The fixing device for installing the steel structure fence as claimed in claim 2, wherein the upper surface of the fixing frame has a sliding groove extending in the width direction of the lower flange plate; the moving frame is arranged in the sliding groove in a sliding manner;

4. The fixing device for installing the steel structure fence as claimed in claim 3, wherein both sides of the sliding groove are provided with sliding ways, and the limiting structure comprises a sliding part in sliding fit with the sliding ways; the sliding part is fixed on the side wall of the movable frame.

5. The fixing device for installing the steel structure fence as claimed in claim 4, wherein the surface of the sliding part is provided with a plurality of grooves, the grooves are internally provided with balls, the balls are in running fit with the grooves, and the balls are in contact with the inner wall surface of the slideway.

6. The fixing device for installing the steel structure fence as claimed in claim 2, wherein the fixing frame is provided with a connecting hole, and the moving frame is provided with a plurality of threaded holes arranged at intervals along the width direction of the lower flange plate;

7. The fixing device for installing the steel structure fence as claimed in claim 1, wherein a height adjusting mechanism is arranged on the mounting frame, and the height adjusting mechanism is suitable for adjusting the heights of the first clamping portion and the second clamping portion so that the first clamping portion and the second clamping portion can be matched with lower flange plates with different thicknesses.

8. The fixing device for installing the steel structure fence as claimed in claim 7, wherein through holes are formed in the mounting frame near the first clamping portion and the second clamping portion;

9. The fixing apparatus for installing a steel structural fence according to claim 1, wherein a buffer layer is provided on each of the supporting surface and the clamping surface.

10. A protective structure comprising a steel structural fence and a fixing device as claimed in any one of claims 1 to 9, the steel structural fence comprising a fence body located outside the i-section.