CN220953032U - Fastening device of slope protection net - Google Patents

Abstract

The utility model discloses a fastening device of a slope protection net, which belongs to the technical field of slope protection, and comprises a steel column, a sliding piece, a top supporting piece and a flexible connecting piece, wherein the sliding piece is arranged on the top supporting piece; the sliding parts can be arranged in the sliding grooves in a sliding way, and an upper supporting rope is arranged between the sliding parts in the two adjacent steel columns; the top support piece links to each other with hanging the seat, and the one end of flexonics spare links to each other with the slider, and flexonics spare's the other end upwards extends, and commutates after the top support piece and extend and be provided with the setting element that can link to each other with the constant head tank, and this device need not the workman to climb the top installation protection network to the steel column, can reduce the potential safety hazard, can improve installation effectiveness simultaneously.

Description

Fastening device of slope protection net

Technical Field

The utility model relates to the technical field of slope protection, in particular to a fastening device of a slope protection net.

Background

In mountain areas, landslide, debris flow, slip, slide, slump, weathering and peeling off and other slope surface geological disasters often occur, especially the occurrence of disasters is most serious along the line of linear projects such as railways and highways, and the disasters have the characteristics of multiple points, wide range, long line and the like, and are very difficult or even impossible to protect and treat under the condition of limited resources (manpower, material resources and financial resources). In the traditional facing system, the slurry rubble and the anchor spraying slope protection can cause slope vegetation damage, and can be separated from the slope over time, and the problems of structural life such as local collapse, spalling and the like occur. Therefore, in the current slope protection measures, the flexible passive protection net has been rapidly developed and popularized by the inherent advantages of simple construction, convenient maintenance, advanced technology, safety, reliability, environmental protection, economy, standardized design selection and the like, and is applied to a plurality of slope protection projects. The passive protection net is an integral body formed by connecting and combining steel columns and steel wire rope nets, and forms surface protection for the protected area, so that falling of collapsed rock soil bodies is prevented, and a slope protection effect is achieved.

In the prior art, for example, the disclosure number CN115110446B provides a high steep side slope dangerous rock falling stone protection network system, wherein when the protection network is arranged, generally, the concrete base is beaten first, then the steel column supporting the protection network is installed on the concrete base, finally the top of the steel column is provided with a supporting rope and the like by utilizing heightening equipment, after the top side of the protection network is sent to the supporting rope, workers are required to climb to the top of the steel column to connect the supporting rope and the protection network in sequence, the installation difficulty of the protection network is large, and certain potential safety hazards exist.

Disclosure of utility model

The utility model aims to overcome the technical defects, and provides a fastening device for a slope protection net, which solves the technical problems of high installation difficulty and potential safety hazard of the protection net in the prior art.

In order to achieve the technical purpose, the technical scheme of the utility model provides a fastening device of a slope protection net, which comprises steel columns, wherein hanging seats for connecting pull ropes are arranged at the top ends of the steel columns, lower supporting ropes are arranged between the lower ends of two adjacent steel columns, sliding grooves are arranged in the steel columns along the height direction, positioning grooves are sequentially formed in one side of each steel column along the height direction, the fastening device of the slope protection net further comprises sliding parts, top supporting parts and flexible connecting parts, the sliding parts can be slidably arranged in the sliding grooves, and upper supporting ropes are arranged between the sliding parts in the two adjacent steel columns; the top supporting piece is connected with the hanging seat; one end of the flexible connecting piece is connected with the sliding piece, and the other end of the flexible connecting piece extends upwards, passes through the top supporting piece and then extends in a reversing way, and is provided with a positioning piece which can be connected with the positioning groove.

In some embodiments, the slide is in clearance fit with the chute.

In some embodiments, the sliding piece comprises a sliding block, the sliding block is in sliding connection with the sliding groove, a mounting groove is formed in the sliding block, and the upper supporting rope is connected between the mounting grooves of the two sliding blocks in a penetrating mode.

In some embodiments, the mounting groove diameter is greater than twice the upper support line diameter.

In some embodiments, a plurality of first thread grooves are formed in one side of the sliding block, and second thread grooves are formed in positions, corresponding to the first thread grooves, of the upper end of one side of the steel column.

In some embodiments, the top support member includes connecting seat, connecting rod and fixed pulley, the connecting seat with hang the seat and be connected, the connecting rod cavity set up in the connecting seat and with the connecting seat is fixed link to each other, the fixed pulley cover is located the connecting rod, and with the connecting rod rotates to be connected, the periphery side of fixed pulley inwards caves in and forms an annular groove, connecting piece one end is passed through the annular groove back is connected the slider.

In some embodiments, the flexible connection unit comprises a connection string.

In some embodiments, the positioning piece comprises a positioning plate and a fastening sleeve, wherein the fastening sleeve is fixedly sleeved on the flexible connecting piece and connected with the positioning plate, the positioning plate is provided with a fixing groove, and the positioning plate is fixed on one side of the steel column through a positioning pin shaft connected with the fixing groove.

In some embodiments, one surface of the positioning plate is attached to the steel column and is in sliding connection with the steel column.

In some embodiments, a winding wheel is arranged at the lower end of one side of the steel column, and the other end of the flexible connecting piece extends to be connected with the winding wheel after being connected with the positioning piece.

Compared with the prior art, the utility model has the beneficial effects that: through constant head tank and spout that set up on the steel column to and slider, top support piece and the flexonics spare that the cooperation set up, so that the workman utilizes the lift that flexonics spare can drive the slider, the setting element can be connected with the constant head tank, can adjust the supporting rope according to construction environment and be in different high positions, can adapt to different hillside fields condition, simultaneously, utilize the flexonics spare to drive the protection network through the slider and stretch to setting for highly, need not the workman and climb the top installation protection network of steel column, can reduce the potential safety hazard, can improve installation effectiveness simultaneously.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of a fastening device for a slope protection net according to the present utility model;

FIG. 2 is a schematic sectional front view of the fastening device of the slope protection net of FIG. 1;

FIG. 3 is a schematic side sectional structure of a fastening device of the slope protection net in FIG. 1;

FIG. 4 is a schematic view of the mounting structure of the slider and the top support of the fastening device of the slope protection net of FIG. 1;

Fig. 5 is an enlarged view at a in fig. 1.

In the figure:

1. A steel column; 11. a hanging seat; 12. a lower support rope; 13. a chute; 14. a positioning groove; 15. a second thread groove;

2. A slider; 21. an upper support rope; 22. a slide block; 23. a mounting groove; 24. a first thread groove;

3. A top support; 31. a connecting seat; 32. a connecting rod; 33. a fixed pulley;

4. A flexible connection member; 41. a connecting rope;

5. A positioning piece; 51. a positioning plate; 52. a fastening sleeve; 53. a fixing groove;

6. A winding wheel;

7. a base;

8. And a protective net.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, the utility model provides a fastening device of a slope protection net, which comprises a steel column 1, wherein the top end of the steel column 1 is provided with a hanging seat 11 for connecting a pull rope, a lower supporting rope 12 is arranged between the lower ends of two adjacent steel columns 1, a chute 13 is arranged in the steel column 1 along the height direction, one side of the steel column 1 is sequentially provided with a positioning groove 14 along the height direction, the fastening device of the slope protection net 8 also comprises a sliding piece 2, a top supporting piece 3 and a flexible connecting piece 4,

The sliding parts 2 are slidably arranged in the sliding grooves 13, and an upper supporting rope 21 is arranged between the sliding parts 2 in two adjacent steel columns 1.

The top support 3 is connected to the hanger 11.

One end of the flexible connecting piece 4 is connected with the sliding piece 2, and the other end of the flexible connecting piece 4 extends upwards and passes through the top supporting piece 3 to be reversely extended and is provided with a positioning piece 5 which can be connected with the positioning groove 14.

In this device, set up slider 2 in the spout 13 of steel column 1, slider 2 can follow the direction of height of steel column 1, and through setting up one end with slider 2 links to each other, and the other end of connecting rope 41 upwards extends, and passes the switching-over extension behind the top support piece 3, it can extend to setting up in the bottom department of steel column 1, so that the workman utilizes the receipts of flexible connection piece 4 to pull slider 2, so that slider 2 slides in spout 13 and rises or descends, and one side of steel column 1 has set gradually constant head tank 14 along the direction of height, setting element 5 can be connected with constant head tank 14, make the fixed of utilizing setting element 5 can be in different co-altitude position through slider 2 control upper support rope 21, so that the workman is according to the position of construction environment regulation upper support rope 21, conveniently connect gradually on the support rope with the upside of protection network 8, finally can utilize flexible connection piece 4 drive slider 2 upwards to slide, will drive protection network 8 to stretch to the settlement height, utilize setting element 5 and the fixed efficiency of protection network 8 to realize to the protection network 8 of fixed installation height of protection network 8 of constant head tank 14.

As shown in fig. 1, in some embodiments, a winding wheel 6 is disposed at a lower end of one side of the steel column 1, the other end of the connection rope 41 extends to the connection positioning member 5 and then is connected with the winding wheel 6, and a handle is further disposed at one side of the winding wheel 6, so that the redundant connection rope 41 can be wound for storage, and the aesthetic property is improved.

To enable the upper support line 21 to accommodate the installation of different protection nets 8, the slider 2 is, in some embodiments, in a clearance fit with the chute 13, capable of accommodating the deflection of the upper support line 21, as shown in fig. 3.

Specifically, as shown in fig. 3 and 4, in this embodiment, the sliding member 2 includes a sliding block 22, where the width of the sliding block 22 is the same as the width of the steel column 1 and is slidably connected with the sliding groove 13, and an installation groove 23 is formed on the sliding block 22, so as to install the upper supporting rope 21, so that the upper supporting rope 21 is connected between the installation grooves 23 of the two sliding blocks 22 in a penetrating manner.

Further, in order to facilitate connection of the upper support ropes 21, in this embodiment, the diameter of the installation groove 23 is greater than twice the diameter of the upper support ropes 21, so that the installation groove 23 of the sliding block 22 can be simultaneously connected with more than two upper support ropes 21, and when the slope is protected, if the lengths of the upper support ropes 21 connected with the plurality of steel columns 1 are insufficient, the upper support ropes 21 can be continuously arranged on the sliding block 22.

In order to improve the stability of the protection net 8 after installation, as shown in fig. 1, in some embodiments, a plurality of first thread grooves 24 are formed on one side of the slider 22, second thread grooves 15 are formed at positions corresponding to the first thread grooves 24 on the upper end of one side of the steel column 1, the first thread grooves 24 and the second thread grooves 15 have the same size and diameter, and the slider 22 is fixed on the chute 13 by screwing in the first thread grooves 24 and the second thread grooves 15 by using bolts.

The top support 3 is disposed on the hanging seat 11 for realizing reversing support, as shown in fig. 1 to 3, in some embodiments, the top support 3 includes a connecting seat 31, a connecting rod 32 and a fixed pulley 33, the connecting seat 31 is fixedly connected with the hanging seat 11, the connecting rod 32 is disposed in the connecting seat 31 and is fixedly connected with the connecting seat 31, the fixed pulley 33 is sleeved on the connecting rod 32 and is rotationally connected with the connecting rod 32, an annular groove is formed by the inner recess of the outer circumference side of the fixed pulley 33, the flexible connecting piece 4 includes a connecting rope 41, one end of the connecting rope 41 is fixedly connected with the sliding block 22 after passing through the annular groove, and when a worker pulls the connecting rope 41, the fixed pulley 33 can be driven to rotate on the connecting rod 32, so that friction force between the two is reduced, and the connecting rope 41 is prevented from being worn.

In other embodiments, the top support 3 may be a ball, a rotating shaft, or the like, and may be synchronously rotated under the traction of the connecting rope 41; the flexible connection 4 may be a belt-like structure or a chain or the like.

The positioning member 5 can be connected to the connecting rope 41 and can be fixed to the steel column 1, so, as shown in fig. 5, in some embodiments, the positioning member 5 includes a positioning plate 51 and a fastening sleeve 52, the fastening sleeve 52 is fixedly sleeved outside the connecting rope 41 and fixedly connected to the positioning plate 51, the positioning plate 51 is provided with a fixing groove 53, and is fixed to one side of the steel column 1 by a positioning pin shaft connected to the fixing groove 14 through the fixing groove 53. Specifically, the fixing grooves 53 are two, the positioning columns are provided with a plurality of groups, each group is provided with two positioning grooves 14, one surface of the positioning plate 51 is attached to the steel column 1 and is in sliding connection with the steel column 1, when the sliding block 22 is adjusted, the positioning plate 51 can correspondingly slide on the other side of the steel column 1, after the sliding block 22 is adjusted to have proper height, the fixing grooves 53 of the positioning plate 51 are adjusted to correspond to the positioning grooves 14, and the positioning pin is inserted between the fixing grooves 53 and the positioning grooves 14, so that the positioning plate 51 and the connecting rope 41 can be fixed.

And (3) a protective screen 8 installing step:

1. And (3) adopting M30 cement mortar (cement slurry) to perform back pressure grouting from the hole bottom, so as to ensure that grouting is compact and full.

2. The steel column 1 foundation adopts C30 cast-in-place concrete, and is compacted by vibrating with a vibrating rod. The top surface of the concrete foundation is trowelled by M30 cement mortar (cement slurry).

3. The base 7 of the steel columns 1 is sleeved into foundation bolts and screwed by nuts, and the supporting ropes 21 are installed in the installation grooves 23 of the sliding blocks 22 between two adjacent steel columns 1.

4. The steel column 1 is placed downhill upwards with the bottom of the steel column 1 at the base 7. Hanging the hanging ring of the pull-up anchor rope on the hanging seat 11 at the top end of the steel column 1, and then connecting the other end of the pull-up anchor rod with the corresponding pull-up anchor rod sleeve and temporarily fixing the pull-up anchor rod sleeve by using a rope clip. The steel column 1 is slowly lifted and aligned with the base 7, then the bottom of the steel column 1 is inserted into the base 7, and finally the connecting screw is inserted and screwed. The orientation of the steel column 1 is adjusted by pulling up the anchor rope, and the anchor rope is pulled up and fixed by a rope clip.

5. A lower support line 12 is installed between the two steel columns 1.

6. The winding wheel 6 is rotated by using a handle, the connecting rope 41 is wound, the sliding block 22 and the upper supporting rope 21 are driven to move upwards to a proper height position, the positioning plate 51 and the steel column 1 are fixed by using the fixing pin shaft so as to fix the upper supporting rope 21, then the protective net 8 is connected with the upper supporting rope 21 in sequence, the fixing pin shaft is taken out after the installation, the sliding block 22 is driven to move upwards to the topmost end of the steel column 1 by using the connecting rope 41, finally the steel column 1 and the sliding block 22 are fixed by using the bolt, and the positioning plate 51 and the steel column 1 are fixed by using the fixing pin shaft.

According to the utility model, through the positioning groove 14 and the sliding groove 13 which are arranged on the steel column 1, and the sliding piece 2, the top supporting piece 3 and the flexible connecting piece 4 which are arranged in a matching way, a worker can drive the sliding piece 2 to lift by using the flexible connecting piece 4, the positioning piece 5 can be connected with the positioning groove 14, the upper supporting rope 21 can be adjusted to be positioned at different height positions according to construction environments, different side slope conditions can be adapted, meanwhile, the protective net 8 can be driven by the flexible connecting piece 4 to stretch to a set height by using the sliding piece 2, the worker does not need to climb to the top of the steel column 1 to install the protective net 8, potential safety hazards can be reduced, and meanwhile, the installation efficiency can be improved.

In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper" and "lower" and the like are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above-described embodiments of the present utility model do not limit the scope of the present utility model. Any other corresponding changes and modifications made in accordance with the technical idea of the present utility model shall be included in the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a fastener of side slope protection network, includes the steel column, the top of steel column is provided with the hanging seat that is used for connecting the stay cord, is provided with down the supporting rope between the lower extreme of two adjacent steel columns, its characterized in that, be provided with the spout along the direction of height in the steel column, the constant head tank has been set gradually along the direction of height to one side of steel column, fastener of side slope protection network still includes:

The sliding piece is arranged on the sliding groove in a sliding way, and an upper supporting rope is arranged between the sliding pieces in two adjacent steel columns;

The top support piece is connected with the hanging seat;

The flexible connecting piece, the one end of flexible connecting piece with the slider links to each other, the other end of flexible connecting piece upwards extends, and passes through the reversing extension behind the top support piece and be provided with can with the setting element that the constant head tank links to each other.

2. The fastening device for a slope protection network of claim 1, wherein the slider is in clearance fit with the chute.

3. The fastening device of a slope protection net according to claim 1 or 2, wherein the sliding piece comprises a sliding block, the sliding block is in sliding connection with the sliding groove, a mounting groove is formed in the sliding block, and the upper supporting rope is connected between the mounting grooves of the two sliding blocks in a penetrating manner.

4. A fastening device for a slope protection network as in claim 3, wherein the mounting groove diameter is greater than twice the upper support line diameter.

5. The fastening device for a slope protection net according to claim 3, wherein a plurality of first thread grooves are formed in one side of the sliding block, and second thread grooves are formed in positions, corresponding to the first thread grooves, of the upper end of one side of the steel column.

6. The fastening device of the slope protection net according to claim 1, wherein the top supporting member comprises a connecting seat, a connecting rod and a fixed pulley, the connecting seat is connected with the hanging seat, the connecting rod is arranged in the connecting seat in a hollow mode and fixedly connected with the connecting seat, the fixed pulley is sleeved on the connecting rod and is rotatably connected with the connecting rod, an annular groove is formed by inwards sinking the outer peripheral side of the fixed pulley, and one end of the connecting member is connected with the sliding member after passing through the annular groove.

7. A fastening device for a slope protection network according to claim 1, wherein the flexible connection means comprises connection strings.

8. The fastening device for a slope protection net according to claim 1, wherein the positioning piece comprises a positioning plate and a fastening sleeve, the fastening sleeve is fixedly sleeved on the flexible connecting piece and connected with the positioning plate, the positioning plate is provided with a fixing groove, and the positioning plate is fixed on one side of the steel column through a positioning pin shaft penetrating through the fixing groove and connected with the positioning groove.

9. The fastening device of the slope protection net according to claim 8, wherein one surface of the positioning plate is attached to the steel column and is slidingly connected with the steel column.

10. The fastening device of the slope protection net according to claim 1, wherein a winding wheel is arranged at the lower end of one side of the steel column, and the other end of the flexible connecting piece extends to be connected with the positioning piece and then is connected with the winding wheel.