CN213836645U - Adjustable anchor rod for building foundation pit diagonal bracing supporting device - Google Patents
Adjustable anchor rod for building foundation pit diagonal bracing supporting device Download PDFInfo
- Publication number
- CN213836645U CN213836645U CN202022706778.8U CN202022706778U CN213836645U CN 213836645 U CN213836645 U CN 213836645U CN 202022706778 U CN202022706778 U CN 202022706778U CN 213836645 U CN213836645 U CN 213836645U
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- CN
- China
- Prior art keywords
- backing plate
- anchor rod
- fastening block
- building foundation
- foundation pit
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- 230000008093 supporting effect Effects 0.000 title claims abstract description 41
- 239000000463 material Substances 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 4
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000010960 cold rolled steel Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims 3
- 239000011435 rock Substances 0.000 abstract description 16
- 239000011440 grout Substances 0.000 abstract description 10
- 238000005260 corrosion Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004873 anchoring Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000011083 cement mortar Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Piles And Underground Anchors (AREA)
Abstract
The utility model discloses an adjustable anchor rod for a building foundation pit diagonal bracing support device, which belongs to the technical field of anchor rod support devices, and comprises an anchor rod, a backing plate and a fastening block, wherein the backing plate and the fastening block are sleeved on the anchor rod, the backing plate is provided with a long hole, the upper end of the backing plate is positioned at the two sides of the long hole and is fixedly connected with symmetrically arranged supporting blocks, the fastening block is positioned at the upper side of the backing plate, the lower end of the fastening block is provided with a first groove matched with the supporting block, the middle position of the fastening block is provided with a through hole, the anchor rod is sleeved with a gasket at the upper side of the fastening block, the anchor rod is positioned at the upper side of the gasket and is provided with a nut, the anchor rod is positioned at the lower side of the backing plate and is provided with a grout stop plug, the utility model can realize that a fastener in spherical contact is arranged between the anchor rod and the backing plate, the anchor rod and the backing plate which are mutually inclined at a certain angle can be connected and fastened, thereby expanding the application range of the device, meanwhile, the supporting effect on the rock wall is effectively improved.
Description
Technical Field
The utility model relates to a bolting technical field, more specifically say, relate to an adjustable stock for building foundation ditch bracing supporting device.
Background
The anchor bolt support is a safe and economic support mode, it is a general name of support structure using anchor bolt as main body, it includes anchor bolt, anchor spray and anchor spray net, its technique is to obliquely form hole in soil layer, after the anchor bolt is embedded, cement or cement mortar is poured, and the friction force between anchoring body and soil, the holding force of pull rod and anchoring body and the strength of pull rod are combined to bear the load acted on the support structure.
The anchor rod is a tension member buried in the surrounding rock, it is a rod-shaped member made of metal or other high tensile material, it is combined with the surrounding rock by some mechanical devices or adhesive materials, the anchor rod support is used as a support means, it has great superiority in the technical and economic aspects, and can adapt to the properties of different geological conditions, on the basis of these advantages, the anchor rod has been widely used and rapidly developed in the underground engineering, the anchor rod used in the underground engineering generally consists of three basic parts of anchoring body, anchor rod and backing plate.
Because the country rock crack develops, the country rock produces not hard up after the excavation, lead to the intensity to reduce, after stock slip casting reinforcement, mechanical properties such as country rock intensity can be improved and improved, prior art's stock backing plate structure is more single, its support angle is fixed usually, inevitable can produce the angle error when boring the stock hole, can not closely laminate when the stock passes through bolt and backing plate and fastens, the backing plate atress is inhomogeneous, lead to the foundation ditch wall supporting effect relatively poor, and the different situation is also different at the predetermined angle of seting up in the stock hole, just need change the backing plate of different support angles comparatively loaded down with trivial details, consequently, propose an adjustable stock that is used for building foundation ditch bracing supporting device, the problem that the aforesaid provided has been solved.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved
To the problem that exists among the prior art, the utility model aims to provide an adjustable stock for building foundation ditch bracing supporting device, it can realize setting up the fastener of sphere contact between stock and backing plate, can connect the fastening to the stock and the backing plate of certain angle of mutual slope, has enlarged the application scope of this device, has effectively improved the effect of strutting to the cliff simultaneously.
2. Technical scheme
In order to solve the above problems, the utility model adopts the following technical proposal.
An adjustable anchor rod for a building foundation pit diagonal bracing supporting device comprises an anchor rod, a base plate and a fastening block, wherein the base plate and the fastening block are sleeved on the anchor rod, the base plate is provided with a long hole, the upper end of the base plate is positioned at two sides of the long hole and is fixedly connected with symmetrically arranged supporting blocks, the fastening block is positioned at the upper side of the base plate, the lower end of the fastening block is provided with a first groove matched with the supporting blocks, the middle position of the fastening block is provided with a through hole, the anchor rod is sleeved with a gasket at the upper side of the fastening block, the anchor rod is positioned at the upper side of the gasket and is provided with a nut, the anchor rod is positioned at the lower side of the base plate and is provided with a grout stop plug, an air vent is arranged in the grout stop plug, the lower end of the base plate is provided with a third groove matched with the grout stop plug, a fastener in spherical contact with the anchor rod and the base plate can be connected and fastened with the anchor rod and the base plate which are inclined with each other at a certain angle, the application range of the device is expanded, and the supporting effect on the rock wall is effectively improved.
Further: the backing plate adopts the cold-rolled steel sheet processing of low alloy high strength to form, anticorrosive treatment is carried out on the backing plate surface, can effectively strengthen the structural strength of backing plate, improves its corrosion resistance, prolongs its life.
Further: the upper end arc convex surfaces of the two supporting blocks are located on the same spherical surface, the arc concave surfaces in the first grooves are spherical surfaces matched with the supporting blocks, the fastening blocks can be in spherical contact with the supporting blocks when the backing plates on the anchor rods are installed in an inclined mode at a certain angle, loads between the fastening blocks and the supporting blocks are effectively evenly distributed, and the tightness of mutual fitting is enhanced.
Further: the inside walls of the two supporting blocks are equally divided into the same arc-shaped surfaces with the hole walls on the left side and the right side of the long hole, the hole walls on the other two sides of the long hole are arc-shaped surfaces, and the arc-shaped inner walls can effectively avoid interference of the anchor rods with the base plates and the supporting blocks when the base plates and the supporting blocks are adaptively adjusted and inclined relative to the base plates.
Further: the second recess has been seted up to the fastening block upper end, the fastening block upper end is located fixedly connected with rubber packing ring in the second recess, can protect the surface of fastening block not receive the gasket scratch, and the effect of shock attenuation and buffering is played simultaneously to the pressure of fastening block to the dispersible nut, improves the auto-lock performance of fastener, effectively avoids appearing the phenomenon of smooth silk.
Further: the anti-slip mat is fixedly connected to the lower end face of the backing plate and made of frosted materials, friction force of the backing plate contacting with a rock wall is increased, and the backing plate can be effectively prevented from sliding after being fastened.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages of:
(1) the anchor rod and the base plate which are inclined to each other at a certain angle can be connected and fastened by the fastener in spherical contact with the base plate, so that the application range of the device is expanded, and the supporting effect on the rock wall is effectively improved.
(2) The backing plate is formed by processing a low-alloy high-strength cold-rolled steel plate, and the surface of the backing plate is subjected to anti-corrosion treatment, so that the structural strength of the backing plate can be effectively enhanced, the corrosion resistance of the backing plate is improved, and the service life of the backing plate is prolonged.
(3) The upper end arc convex surfaces of the two supporting blocks are located on the same spherical surface, the arc concave surfaces in the first grooves are spherical surfaces matched with the supporting blocks, the fastening blocks can be kept in spherical contact with the supporting blocks when the backing plates on the anchor rods are installed at certain inclined angles, load between the fastening blocks and the supporting blocks is effectively evenly distributed, and the tightness of mutual fitting is enhanced.
(4) The inside walls of the two supporting blocks are equally divided into the same arc-shaped surfaces with the hole walls of the left side and the right side of the long hole, the hole walls of the other two sides of the long hole are arc-shaped surfaces, and the arc-shaped inner walls can effectively avoid interference of the anchor rods with the backing plates and the supporting blocks when the backing plates and the supporting blocks are adaptively adjusted and inclined relative to the backing plates.
(5) The second recess has been seted up to the fastening block upper end, and the fastening block upper end is located fixedly connected with rubber packing ring in the second recess, can protect the surface of fastening block not receive the gasket scratch, and the effect of shock attenuation and buffering is played simultaneously to the pressure of fastening block to dispersible nut, improves the auto-lock performance of fastener, effectively avoids appearing the phenomenon of smooth silk.
(6) The non-slip mat is fixedly connected to the lower end face of the backing plate and made of frosted materials, friction force between the backing plate and rock walls is increased, and the backing plate can be effectively prevented from sliding after being fastened.
Drawings
FIG. 1 is a schematic structural view of the overall installation of the present invention;
fig. 2 is a front sectional view of the present invention;
fig. 3 is a side sectional view of the present invention;
fig. 4 is a schematic perspective view of the backing plate of the present invention;
fig. 5 is a schematic structural view of the anchor rod and the backing plate which are fixedly installed.
The reference numbers in the figures illustrate:
the anchor rod comprises an anchor rod body 1, a backing plate body 2, a long hole body 3, a supporting block 4, a fastening block 5, a through hole 6, a first groove 7, a second groove 8, a rubber gasket 9, a gasket 10, a nut 11, a third groove 12, a grout stop plug 13, a non-slip mat 14 and a vent hole 15.
Detailed Description
The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
referring to fig. 1-5, an adjustable anchor rod for a building foundation pit bracing support device comprises an anchor rod 1, a backing plate 2 and a fastening block 5, wherein the backing plate 2 and the fastening block 5 are sleeved on the anchor rod 1, the backing plate 2 is provided with a long hole 3, the upper end of the backing plate 2 is fixedly connected with supporting blocks 4 which are symmetrically arranged at two sides of the long hole 3, the fastening block 5 is arranged at the upper side of the backing plate 2, the lower end of the fastening block 5 is provided with a first groove 7 matched with the supporting block 4, the middle position of the fastening block 5 is provided with a through hole 6, the anchor rod 1 is sleeved with a gasket 10 at the upper side of the fastening block 5, the anchor rod 1 is provided with a nut 11 at the upper side of the gasket 10, the anchor rod 1 is provided with a grout stop plug 13 at the lower side of the backing plate 2, an air vent 15 is arranged in the grout stop plug 13, the lower end of the backing plate 2 is provided with a third groove 12 matched with the grout stop plug 13, a fastener in spherical contact can be arranged between the anchor rod and the backing plate, and the anchor rod and the backing plate which are inclined at a certain angle can be connected and fastened, the application range of the device is expanded, and the supporting effect on the rock wall is effectively improved.
Referring to fig. 1 to 5, the backing plate 2 is made of a low-alloy high-strength cold-rolled steel plate, and the surface of the backing plate 2 is subjected to an anti-corrosion treatment, so that the structural strength of the backing plate 2 can be effectively enhanced, the corrosion resistance of the backing plate can be improved, and the service life of the backing plate can be prolonged.
Referring to fig. 2-5, the upper arc convex surfaces of the two support blocks 4 are located on the same spherical surface, and the arc concave surfaces in the first grooves 7 are spherical surfaces matched with the support blocks 4, so that the fastening block 5 can keep spherical contact with the support blocks 4 when the tie plate 2 on the anchor rod 1 is installed in a tilted angle, thereby effectively uniformly distributing the load between the fastening block 5 and the support blocks 4 and enhancing the tightness of mutual fitting.
Referring to fig. 2-5, the inner side walls of the two support blocks 4 are respectively the same arc-shaped surfaces as the left and right side hole walls of the elongated hole 3, the other two side hole walls of the elongated hole 3 are arc-shaped surfaces, and the arc-shaped inner walls can effectively prevent the anchor rod 1 from interfering with the backing plate 2 and the support blocks 4 when the backing plate 2 and the support blocks 4 are adaptively adjusted and inclined relative to the backing plate 2.
Referring to fig. 2-3, the second groove 8 is formed in the upper end of the fastening block 5, the rubber gasket 9 is fixedly connected to the upper end of the fastening block 5 in the second groove 8, the surface of the fastening block 5 can be protected from being scratched by the gasket 10, the pressure of the nut 11 on the fastening block 5 can be dispersed, the effects of shock absorption and buffering are achieved, the self-locking performance of the fastener is improved, and the phenomenon of thread slipping is effectively avoided.
Referring to fig. 2-3, the lower end surface of the backing plate 2 is fixedly connected with the anti-slip mat 14, and the anti-slip mat 14 is made of a frosted material, so that the friction force of the backing plate 2 contacting with the rock wall is increased, and the backing plate 2 can be effectively prevented from sliding after being fastened.
The working principle is as follows: when the bolt is used by a worker, the nut 11 is gradually screwed on the anchor rod 1, the gasket 10 is extruded by the nut 11 to the fastening block 5, the first groove 7 at the lower end of the fastening block 5 is in surface contact fit with the supporting block 4, the fastening block 5 further presses the backing plate 2 to the rock wall, the gasket 10 gradually crushes and fastens the rubber gasket 9 in the second groove 8, in the process, the backing plate 2 can incline relative to the anchor rod 1, the fastening block 5 presses the backing plate 2 at different angles in a certain range, the first groove 7 at the lower end of the fastening block 5 can be in surface contact fit with the supporting block 4 at the upper end of the backing plate 2, therefore, in the process of continuously screwing the nut 11, the backing plate 2 can correspondingly incline to be tightly attached to the rock wall, when the nut 11 is fastened, the gasket 11, the gasket 10 and the fastening block 5 can be sequentially in tight contact fit, the fastening block 5, the supporting block 4, the backing plate 2 and the rock wall are tightly attached, and then the backing plate 2 is firmly extruded on the rock wall, in addition, the third groove 12 at the lower end of the backing plate 2 can tightly attach the grout stop plug 13 with the backing plate 2, the whole sealing performance is improved when the hollow anchor rod is used for grouting into a hole, and meanwhile, the air vent 15 in the grout stop plug 13 takes grouting exhaust into consideration.
The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.
Claims (6)
1. The utility model provides an adjustable stock for building foundation ditch bracing supporting device, establishes backing plate (2) and fastening block (5) on stock (1) including stock (1) and cover, its characterized in that: slotted hole (3) have been seted up in backing plate (2), backing plate (2) upper end is located supporting shoe (4) that slotted hole (3) both sides fixedly connected with symmetry set up, fastening block (5) are located the upside of backing plate (2), fastening block (5) lower extreme seted up with supporting shoe (4) assorted first recess (7), through-hole (6) have been seted up to fastening block (5) intermediate position, anchor rod (1) are located fastening block (5) upside cover and are equipped with gasket (10), anchor rod (1) are located gasket (10) upside and install nut (11), anchor rod (1) are located backing plate (2) downside and install and end thick liquid stopper (13), end and seted up air vent (15) in thick liquid stopper (13), backing plate (2) lower extreme is seted up and is ended thick liquid stopper (13) assorted third recess (12).
2. An adjustable anchor for a bracing support device for a building foundation pit according to claim 1, wherein: the base plate (2) is formed by processing a low-alloy high-strength cold-rolled steel plate, and the surface of the base plate (2) is subjected to anticorrosive treatment.
3. An adjustable anchor for a bracing support device for a building foundation pit according to claim 1, wherein: the arc convex surfaces of the upper ends of the two supporting blocks (4) are positioned on the same spherical surface, and the arc concave surfaces in the first grooves (7) are spherical surfaces matched with the supporting blocks (4).
4. An adjustable anchor for a bracing support device for a building foundation pit according to claim 1, wherein: the inner side walls of the two supporting blocks (4) are respectively the same arc-shaped surfaces with the hole walls on the left side and the right side of the long hole (3), and the hole walls on the other two sides of the long hole (3) are arc-shaped surfaces.
5. An adjustable anchor for a bracing support device for a building foundation pit according to claim 1, wherein: a second groove (8) is formed in the upper end of the fastening block (5), and a rubber gasket (9) is fixedly connected to the upper end of the fastening block (5) and located in the second groove (8).
6. An adjustable anchor for a bracing support device for a building foundation pit according to claim 1, wherein: the lower end face of the backing plate (2) is fixedly connected with an anti-slip pad (14), and the anti-slip pad (14) is made of frosted materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706778.8U CN213836645U (en) | 2020-11-20 | 2020-11-20 | Adjustable anchor rod for building foundation pit diagonal bracing supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706778.8U CN213836645U (en) | 2020-11-20 | 2020-11-20 | Adjustable anchor rod for building foundation pit diagonal bracing supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213836645U true CN213836645U (en) | 2021-07-30 |
Family
ID=77018397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022706778.8U Expired - Fee Related CN213836645U (en) | 2020-11-20 | 2020-11-20 | Adjustable anchor rod for building foundation pit diagonal bracing supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213836645U (en) |
-
2020
- 2020-11-20 CN CN202022706778.8U patent/CN213836645U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210730 |