CN220187904U - Anchor cable pressure anchorage device with pretightening force monitoring structure - Google Patents
Anchor cable pressure anchorage device with pretightening force monitoring structure Download PDFInfo
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- CN220187904U CN220187904U CN202321962998.4U CN202321962998U CN220187904U CN 220187904 U CN220187904 U CN 220187904U CN 202321962998 U CN202321962998 U CN 202321962998U CN 220187904 U CN220187904 U CN 220187904U
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- monitoring
- elastomer
- anchor
- anchor ring
- cable
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 54
- 230000000007 visual effect Effects 0.000 claims abstract description 35
- 229920001971 elastomer Polymers 0.000 claims abstract description 23
- 239000000806 elastomer Substances 0.000 claims abstract description 23
- 239000011324 bead Substances 0.000 claims description 23
- 239000011888 foil Substances 0.000 claims description 5
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 abstract description 2
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012800 visualization Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000036319 strand breaking Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- OIGNJSKKLXVSLS-VWUMJDOOSA-N prednisolone Chemical compound O=C1C=C[C@]2(C)[C@H]3[C@@H](O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 OIGNJSKKLXVSLS-VWUMJDOOSA-N 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses an anchor cable pressure anchorage device with a pretightening force monitoring structure, which comprises an anchor ring, wherein one end of the anchor ring is connected with an elastomer, a strain gauge is embedded on the outer wall of the elastomer, a shell is sleeved on the outer wall of the elastomer, and a monitoring box is arranged on the shell; according to the utility model, the elastomer provided with the strain gauge is connected to one end of the anchor ring through the designed elastomer, the strain gauge, the monitoring box, the visual chip and the monitoring lamp set, when the anchor cable is anchored, the elastomer is extruded to deform, the strain gauge senses the deformation of the elastomer and reacts in time, the detected force value is transmitted to the visual chip to form a dynamic real-time monitoring and early warning system, the color of the lamp displayed by the monitoring lamp set on the visual chip is controlled to reach the pretightening force value range, and the impact mine pressure is prejudged in advance, so that judgment can be made for roadway operators, the pretightening force test of the anchor cable is convenient, and the detection cost is low.
Description
Technical Field
The utility model belongs to the technical field of anchor cable pressure anchorage devices, and particularly relates to an anchor cable pressure anchorage device with a pretightening force monitoring structure.
Background
The anchor cable pressure anchorage device has the advantages of large anchorage force, prestressing force application, full length anchorage, free choice of the length of the anchorage depth and the like, and is widely applied to the fields of support of coal mine coal roadways, primary support of tunnels, full support of highways, anchoring of railway side slopes, side slope maintenance, bridge and culvert construction, foundation reinforcement and the like.
The existing anchor cable pressure anchorage device consists of an anchor ring, clamping pieces, an anchor backing plate and other structures, an anchor cable for a MoA strand is penetrated in the anchor ring, pretightening force is applied to the anchor cable, and then the anchor cable is anchored in the anchor ring through clamping of the clamping pieces, but the following defects exist:
(1) The anchor cable support in the existing market adopts an anchor device, a steel strand and a basic support mode of a tray, when the pretightening force of the anchor cable is needed to be known, an anchor cable dynamometer is needed to be added at the bottom of the anchor device in advance when the anchor device is stretched, or the anchor cable dynamometer is used for measurement, but in the existing roadway support mode, if the anchor cable dynamometer is not installed during roadway support, the force born by the anchor cable cannot be measured, even if special force measuring equipment is adopted, the equipment is heavier, a roadway is higher, no force point exists, great inconvenience is brought to workers and data acquisition personnel during measurement, if the independent anchor cable dynamometer is independently installed below each anchor device, the roadway support cost is higher, the existing anchor cable dynamometer is mainly a pressure meter, the information acquisition is very inconvenient in the underground environment, and the data cannot form a digital signal because of the hydraulic cylinder oil pressure mode is generally adopted, so that great inconvenience is brought to the work of the acquisition personnel.
Disclosure of Invention
The utility model aims to provide an anchor cable pressure anchorage device with a pretightening force monitoring structure, so as to solve the problems that the anchor cable anchorage device provided in the background art is inconvenient in pretightening force measurement and high in cost.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anchor rope pressure ground tackle with pretightning force monitoring structure, includes the anchor ring, the one end of anchor ring is connected with the elastomer, it has the foil gage to inlay on the outer wall of elastomer, the outer wall cover of elastomer is equipped with the shell, be provided with the monitoring box on the shell, the inside of monitoring box is provided with visual chip, the surface of monitoring box is provided with the monitoring lamp group.
Preferably, the number of the strain gauges is four, and the four strain gauges are in a circular array relative to the central axis of the elastomer.
Preferably, the monitoring lamp group is composed of red lamp beads, yellow lamp beads and green lamp beads.
Preferably, the visualization chip is electrically connected with the strain gauge, and the visualization chip is electrically connected with the monitoring lamp set.
Preferably, a cable is connected to the visualization chip, and an aviation connector is connected to an end of the cable.
Preferably, a plurality of clamping pieces are arranged in the other end of the anchor ring, and the clamping pieces are in a circular array relative to the central axis of the anchor ring.
Preferably, the cross sections of the anchor ring, the shell and the elastomer are all circular structures, and the longitudinal section of the elastomer is of an I-shaped structure.
Compared with the prior art, the utility model has the beneficial effects that:
(1) Elastomer, the foil gage, monitor box, visual chip and the monitoring banks of through the design will be equipped with the foil gage the elastomer and connect in the one end of anchor ring, when anchoring the anchor rope, the elastomer receives the extrusion and produces deformation, the foil gage senses the deformation of elastomer, in time make the reaction, transmit the force value that detects visual chip department, form dynamic real-time supervision early warning system, realize through observing the colour of the monitoring banks of lamps on the visual chip and reach pretightning force value range control, prejudge in advance and strike the ore deposit pressure, so as to make the judgement for tunnel operation personnel, realize that anchor rope pretightning force test is convenient and the detection cost is low.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front cross-sectional view of the present utility model;
FIG. 3 is a schematic view of the assembly of the elastic and strain gage of the present utility model;
FIG. 4 is a diagram of a working system of the monitoring light set, the visualization chip and the strain gauge of the present utility model;
FIG. 5 is a schematic circuit diagram of a strain gauge of the present utility model;
in the figure: 1. an anchor ring; 2. a clamping piece; 3. a monitoring box; 4. an aviation connector; 5. a cable; 6. monitoring the lamp set; 7. a housing; 8. an elastomer; 9. a strain gage; 10. and visualizing the chip.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 to 5, the present utility model provides a technical solution: the anchor cable pressure anchorage device with the pretightening force monitoring structure comprises an anchor ring 1, one end of the anchor ring 1 is connected with an elastic body 8, a strain gauge 9 is embedded on the outer wall of the elastic body 8, a shell 7 is sleeved on the outer wall of the elastic body 8, a monitoring box 3 is arranged on the shell 7, a visual chip 10 is arranged in the monitoring box 3, a monitoring lamp group 6 is arranged on the surface of the monitoring box 3, the number of the strain gauge 9 is four, the four strain gauges 9 are in a circular array relative to the central axis of the elastic body 8, the monitoring lamp group 6 consists of red lamp beads, yellow lamp beads and green lamp beads, the visual chip 10 is electrically connected with the strain gauge 9, the visual chip 10 is electrically connected with the monitoring lamp group 6, the elastic body 8 provided with the strain gauge 9 is connected with one end of the anchor ring 1 through the designed elastic body 8, the strain gauge 9, the monitoring box 3, the visual chip 10 and the monitoring lamp group 6, when an anchor rope is anchored, the elastic body 8 is deformed by extrusion, the strain gauge 9 senses the deformation of the elastic body 8 and reacts in time, a detected force value is transmitted to the position of the visual chip 10, a dynamic real-time monitoring and early warning system is formed, when a main power supply is used for supplying power, the visual chip 10 of the anchor device controls the yellow lamp beads on the monitoring lamp set 6 to work, the yellow lamp is displayed, when the anchor rope or the anchor force value is smaller than the pretightening force, the visual chip 10 of the anchor device controls the yellow lamp beads on the monitoring lamp set 6 to work, the yellow lamp is displayed, when the force value is larger than the pretightening force, the visual chip 10 of the anchor device controls the green lamp beads on the monitoring lamp set 6 to work, or the monitoring lamp set 6 is not displayed, a jack ends the tensioning of the anchor device, when the main power supply is used for supplying power, and at any time in a roadway, the dynamic load state is provided that the anchor device slides, the steel strand failure or other component failure causes the loss and the loss of the force value near the point, the lamp beads on the visual chip 10 of the anchorage device display yellow lamps, the main power supply supplies power, the force value is larger than the pretightening force, the lamp beads on the visual chip 10 of the anchorage device display green lamps or are not displayed, when the force value is smaller than the broken value x of the steel strand (x can be set according to the requirement), the state is always kept, the main power supply supplies power, the force value is larger than the broken value x of the steel strand, the lamp beads on the visual chip 10 of the visual anchorage device display red lamps or send out alarm sounds, the main power supply supplies power, the lamp beads on the visual chip 10 of the anchorage device are in a dynamic load state at any time in a roadway, when the load is increased, deltaF (unit time increasing force) =F' -F0 is larger than a certain value (can be set), the lamp pearl on the visual chip 10 of ground tackle sends early warning in advance, prejudge in advance and strike the ore deposit and press to make the judgement for tunnel operation personnel, be connected with cable 5 on the visual chip 10, the end connection of cable 5 has aviation connector 4, through the aviation connector of design and cable 5, can realize putting through with handheld device, thereby through handheld device, can obtain the actual tensile force value of anchor rope, the inside a plurality of clamping pieces 2 that are provided with of the other end of anchor ring 1, and clamping piece 2 is circular array about the central axis of anchor ring 1, shell 7 and elastomer 8 cross section all is circular structure, the longitudinal section of elastomer 8 is I shape structure.
The working principle and the using flow of the utility model are as follows: the utility model connects the elastic body 8 with the strain gauge 9 at one end of the anchor ring 1, when the anchor rope is anchored, the elastic body 8 is deformed by extrusion, the strain gauge 9 inducts the deformation of the elastic body 8 to react in time, wherein the system circuit diagram of the strain gauge 9 is shown in figure 5, the detected force value is transmitted to the position of the visual chip 10, wherein the model of the visual chip 10 is HX711, a dynamic real-time monitoring and early warning system is formed, when the main power supply is used for supplying power, no load is generated, the visual chip 10 of the anchor device controls the yellow lamp beads on the monitoring lamp set 6 to work, the yellow lamp is displayed, and when the anchor rope or the anchor force value is less than the pretightening force, the visual chip 10 of the anchor device controls the yellow lamp beads on the monitoring lamp set 6 to work, when the force value is greater than the pretightening force, the visual chip 10 of the anchor device controls the green lamp beads on the monitoring lamp set 6 to work, or the monitoring lamp group 6 is not displayed, the tensioning jack finishes the tensioning of the group of anchors, when the main power supply is used for supplying power, and the anchor is in a dynamic load state at any time in a roadway, if anchor slippage, steel strand failure or other component failure occurs, the force value loss and loss are caused near the point, the lamp bead on the visual chip 10 of the anchor displays a yellow lamp, the main power supply is used for supplying power, the force value is larger than the pretightening force, the lamp bead on the visual chip 10 of the anchor displays a green lamp or is not displayed, when the force value is smaller than the steel strand breaking value x% (x can be set according to the requirement), the state is always kept, the main power supply is used for supplying power, the force value is larger than the steel strand breaking value x%, the lamp bead on the visual chip 10 of the anchor displays a red lamp or gives out an alarm sound, the main power supply is used for supplying power, and the anchor is in the dynamic load state at any time in the roadway, when the load is increased gradually, delta F (unit time increasing force) =F' -F0 is larger than a certain value (can be set), the lamp beads on the visual chip 10 of the anchor device send out early warning, and the impact mine pressure is pre-judged in advance so as to judge the roadway operators.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. Anchor rope pressure ground tackle with pretightning force monitoring structure, including anchor ring (1), its characterized in that: one end of anchor ring (1) is connected with elastomer (8), it has foil gage (9) to inlay on the outer wall of elastomer (8), the outer wall cover of elastomer (8) is equipped with shell (7), be provided with monitoring box (3) on shell (7), the inside of monitoring box (3) is provided with visual chip (10), the surface of monitoring box (3) is provided with monitoring lamp group (6).
2. The cable pressure anchorage with pretension monitoring structure according to claim 1, wherein: the number of the strain gauges (9) is four, and the four strain gauges (9) are in a circular array relative to the central axis of the elastic body (8).
3. The cable pressure anchorage with pretension monitoring structure according to claim 1, wherein: the monitoring lamp group (6) consists of red lamp beads, yellow lamp beads and green lamp beads.
4. The cable pressure anchorage with pretension monitoring structure according to claim 1, wherein: the visual chip (10) is electrically connected with the strain gauge (9), and the visual chip (10) is electrically connected with the monitoring lamp set (6).
5. The cable pressure anchorage with pretension monitoring structure according to claim 4, wherein: the visual chip (10) is connected with a cable (5), and the end part of the cable (5) is connected with an aviation connector (4).
6. The cable pressure anchorage with pretension monitoring structure according to claim 1, wherein: the anchor ring is characterized in that a plurality of clamping pieces (2) are arranged in the other end of the anchor ring (1), and the clamping pieces (2) are in a circular array relative to the central axis of the anchor ring (1).
7. The cable pressure anchorage with pretension monitoring structure according to claim 1, wherein: the cross sections of the anchor ring (1), the shell (7) and the elastic body (8) are all of circular structures, and the longitudinal section of the elastic body (8) is of an I-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962998.4U CN220187904U (en) | 2023-07-25 | 2023-07-25 | Anchor cable pressure anchorage device with pretightening force monitoring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321962998.4U CN220187904U (en) | 2023-07-25 | 2023-07-25 | Anchor cable pressure anchorage device with pretightening force monitoring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220187904U true CN220187904U (en) | 2023-12-15 |
Family
ID=89103219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321962998.4U Active CN220187904U (en) | 2023-07-25 | 2023-07-25 | Anchor cable pressure anchorage device with pretightening force monitoring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220187904U (en) |
-
2023
- 2023-07-25 CN CN202321962998.4U patent/CN220187904U/en active Active
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