CN111462610A - Teaching model convenient for replacing steel bar meter and replacement method of steel bar meter - Google Patents

Teaching model convenient for replacing steel bar meter and replacement method of steel bar meter Download PDF

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Publication number
CN111462610A
CN111462610A CN202010315387.5A CN202010315387A CN111462610A CN 111462610 A CN111462610 A CN 111462610A CN 202010315387 A CN202010315387 A CN 202010315387A CN 111462610 A CN111462610 A CN 111462610A
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China
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screw rod
bar meter
screw
steel bar
sheet pile
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CN202010315387.5A
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Chinese (zh)
Inventor
王瑞彩
夏莉敏
孙阳
吴腾
冯兴国
秦杰
苏静波
胡启航
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Hohai University HHU
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Hohai University HHU
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Priority to CN202010315387.5A priority Critical patent/CN111462610A/en
Publication of CN111462610A publication Critical patent/CN111462610A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09BEDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B25/00Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
    • G09B25/04Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of buildings

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  • Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Piles And Underground Anchors (AREA)

Abstract

The invention discloses a teaching model convenient for replacing a reinforcing bar meter and a method for replacing the reinforcing bar meter, wherein the teaching model comprises a sensor installation mechanism, a fixing mechanism, a force transmission mechanism, an anchorage mechanism and a protection mechanism; the sensor mounting mechanism comprises a turntable, a first screw rod, a steel bar meter and a second screw rod which are connected in sequence; the fixing mechanism comprises a sheet pile wall and a fixing component, and the first screw penetrates through the sheet pile wall and is relatively fixed with the sheet pile wall through the fixing component; the force transmission mechanism comprises a third screw rod, one end of the third screw rod is in threaded connection with one end of the second screw rod, and the other end of the third screw rod is fixedly connected with the anchorage mechanism; the protection mechanism is located between the sheet pile wall and the anchorage mechanism and covers the first screw rod, the steel bar meter, the second screw rod and the third screw rod. The teaching model convenient for replacing the steel bar meter and the replacement method of the steel bar meter can realize convenient replacement of the steel bar meter, and are simple to operate and low in cost.

Description

Teaching model convenient for replacing steel bar meter and replacement method of steel bar meter
Technical Field
The invention belongs to the technical field of teaching models, and particularly relates to a teaching model convenient for replacing a reinforcing bar meter and a method for replacing the reinforcing bar meter.
Background
The sheet pile wharf is an important wharf structure type in port hydraulic buildings, and mainly depends on the sheet pile wall sinking into the foundation to maintain the work. The slab pile wall is in complex change under the effects of the dock such as the soil pressure, the residual water pressure, the ship load, the wave force and the like after being subjected to the slab pile wall, an anchorage structure is usually arranged inside the slab pile dock for reducing the penetration depth of the slab pile wall, the displacement of the top of the slab pile wall and improving the stress condition of the slab pile, the slab pile dock is connected with the slab pile wall through a pull rod and transmits the force to the anchorage structure, and the stress size of the slab pile wall is reduced.
The sheet pile wharf is an important part of course teaching. Due to the fact that the stress of the sheet pile wall is complex, in order to help students to understand and master the stress characteristic of the sheet pile wall more clearly, a sheet pile wharf model experiment, namely a practical teaching course, is carried forward. The invention has the following patent: a sheet pile wharf model experiment teaching system is disclosed in a sheet pile wharf model experiment teaching system (application number: 201510138596.6).
In the sheet pile wharf experiment teaching model, a sensor for testing the tension of a pull rod adopts a steel bar meter and is buried in a soil body inside the model. When the model is completed, a panel on the top of the model completely separates the rebar meter from the outside. Teaching model is after many years of use, and the damaged condition appears in inside buried reinforcing bar meter, leads to the tensile test that can't carry out the pull rod, can only unpack teaching model apart the change that carries out the reinforcing bar meter, and is with high costs, and it is long to take time, can't satisfy the demand of real-time teaching.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, provides a teaching model convenient for replacing a steel bar meter and a replacement method of the steel bar meter, can realize convenient replacement of the steel bar meter, and has the advantages of simple operation and low cost.
The invention provides the following technical scheme:
a teaching model convenient for replacing a reinforcing bar meter comprises a sensor mounting mechanism, a fixing mechanism, a force transmission mechanism, an anchorage mechanism and a protection mechanism;
the sensor mounting mechanism comprises a turntable, a first screw rod, a steel bar meter and a second screw rod which are connected in sequence;
the fixing mechanism comprises a sheet pile wall and a fixing component, and the first screw penetrates through the sheet pile wall and is relatively fixed with the sheet pile wall through the fixing component;
the force transmission mechanism comprises a third screw rod, one end of the third screw rod is in threaded connection with one end of the second screw rod, and the other end of the third screw rod is fixedly connected with the anchorage mechanism;
the protection mechanism is located between the sheet pile wall and the anchorage mechanism and covers the first screw rod, the steel bar meter, the second screw rod and the third screw rod.
Preferably, the first screw and the second screw are both composed of a sleeve with an internal thread at one end and a loop bar with an external thread at the other end; the sleeve end of the first screw is in threaded connection with the rotary table, and the sleeve end of the first screw is in threaded connection with one end of the steel bar meter; and the sleeve end of the second screw is in threaded connection with the other end of the steel bar meter, and the sleeve end is in threaded connection with the third screw.
Preferably, a wire guide hole for passing through a wire of the steel bar meter is formed in the side wall of the first screw, and a wire orifice for the wire of the steel bar meter to pass through is formed at the tail end of the wire guide hole.
Preferably, the fixing assembly comprises a fixing guide beam and a first fastening nut, the fixing guide beam is fixedly connected with the sheet pile wall through a matched bolt and a matched nut, a first screw rod outer through hole and a first screw rod inner through hole are respectively formed in the fixing guide beam and the sheet pile wall, and the first screw rod penetrates through the first screw rod outer through hole and the first screw rod inner through hole and is fixedly installed on the fixing guide beam through the first fastening nut.
Preferably, the force transmission mechanism further comprises a second fastening nut, the anchorage mechanism comprises an anchorage pile cap and an anchorage pile which are fixedly connected, a third screw rod through hole is formed in the anchorage pile cap, and the third screw rod penetrates through the third screw rod through hole and is fixed on the anchorage pile cap through the second fastening nut.
Preferably, the protection mechanism includes first protection tube and second protection tube, the one end of first protection tube and second protection tube is nested each other and not mutual contact each other, the other end and the inboard fixed connection of sheet pile wall of first protection tube, the other end of second protection tube with anchorage pile cap one side fixed connection.
Preferably, a first embedded steel ring matched with the first protection pipe is arranged in the sheet pile wall, a second embedded steel ring matched with the second protection pipe is arranged in the anchorage pile cap, and the end parts of the first protection pipe and the second protection pipe are respectively welded and fixed with the first embedded steel ring and the second embedded steel ring.
Preferably, the circle centers of the cross sections of the first protection pipe and the second protection pipe are overlapped, and the inner diameter of the second protection pipe is larger than the outer diameter of the first protection pipe.
A method for replacing a reinforcing bar meter in a teaching model convenient for replacing the reinforcing bar meter comprises the following steps:
disassembling the fixing assembly to enable the first screw rod to form non-fixed connection with the sheet pile wall;
rotating the turntable to separate the second screw rod from the third screw rod and taking the sensor mounting mechanism out of the teaching model;
detaching an old reinforcing steel bar meter from the space between the first screw rod and the second screw rod, and then installing a new reinforcing steel bar meter between the first screw rod and the second screw rod;
the sensor mounting mechanism penetrates through the sheet pile wall, and the second screw rod is fixedly connected with the third screw rod by reversely rotating the rotary table;
realize the fixed mounting of first screw rod and sheet pile wall through fixed subassembly, can accomplish the change of bar meter.
Preferably, the old reinforcing bar timer is disassembled by taking the lead of the old reinforcing bar timer out of the lead hole of the first screw rod, and the new reinforcing bar timer is installed by passing the lead of the new reinforcing bar timer through the lead hole of the first screw rod and out of the lead hole opening at the tail end of the lead hole.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the teaching model convenient for replacing the steel bar meter, the first screw rod and the sheet pile wall are fixedly installed or disassembled through the fixing assembly, when the first screw rod and the sheet pile wall are in a non-relatively fixed state, the whole sensor installation mechanism can be taken out of the teaching model through rotating the rotary table, the steel bar meter between the first screw rod and the second screw rod is further replaced, the sensor installation mechanism can be installed again through rotating the rotary table in the reverse direction, the first screw rod and the sheet pile wall are relatively fixed through the fixing assembly, and the operation is convenient;
(2) the teaching model convenient for replacing the reinforcing bar meter comprises a force transmission mechanism, and after the reinforcing bar meter is replaced, stress at a sheet pile wall can be transmitted to an anchorage mechanism through a first screw rod, a second screw rod and a third screw rod in sequence, so that experimental data of the reinforcing bar meter can be measured conveniently;
(3) the teaching model convenient for replacing the steel bar meter comprises a protection mechanism, wherein the protection mechanism can separate the filling soil in the model from a sensor mounting mechanism so as to prevent the filling soil from entering, so that the filling soil is prevented from blocking the sensor mounting mechanism from being taken out;
(4) the teaching model convenient for replacing the steel bar meter and the replacement method of the steel bar meter can realize convenient replacement of the steel bar meter, and are simple to operate and low in cost.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic top view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of the sensor mounting mechanism of the present invention after disassembly;
FIG. 4 is a schematic structural view of a sensor mounting mechanism of the present invention;
FIG. 5 is a cross-sectional view of the first screw of the present invention;
figure 6 is a schematic structural view of the tie back mechanism of the present invention;
labeled as: 1. a turntable; 2. a bolt; 3. a nut; 4. a first screw; 5. a first fastening nut; 6. a wire; 7. fixing the guide beam; 8. a sheet pile wall; 9. a first screw outer through hole; 10. a through hole in the first screw; 11. a first protective tube; 12. a second protection tube; 13. a steel bar meter; 14. a second screw; 15. a third screw; 16. an anchorage pile cap; 17. anchoring piles; 18. a third screw through hole; 19. a second fastening nut; 20. a wire guide hole; 21. a wire orifice; 22. a bolt outer through hole; 23. a bolt inner through hole; 24. a first pre-buried steel ring; 25. a second pre-buried steel ring; 26. a panel; 27. and (6) filling soil.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
It should be noted that in the description of the present invention, the terms "upper", "lower", "inside", "outside", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Example 1
As shown in fig. 1 and 2, a teaching model convenient for replacing a steel bar meter comprises a panel 26, a filling 27 arranged on the inner side of the panel 26, a sensor mounting mechanism, a fixing mechanism, a force transmission mechanism, an anchorage mechanism and a protection mechanism; the sensor mounting mechanism comprises a rotary table 1, a first screw rod 4, a steel bar meter 13 and a second screw rod 14 which are connected in sequence; the fixing mechanism comprises a sheet pile wall 8 and a fixing component, and the first screw rod 4 penetrates through the sheet pile wall 8 and is relatively fixed with the sheet pile wall 8 through the fixing component; the force transmission mechanism comprises a third screw rod 15, one end of the third screw rod 15 is in threaded connection with one end of the second screw rod 14, and the other end of the third screw rod 15 is fixedly connected with the anchorage mechanism; the protection mechanism is located between the sheet pile wall 8 and the anchorage mechanism and covers the first screw rod 4, the steel bar meter 13, the second screw rod 14 and the third screw rod 15.
As shown in fig. 1 and 2, the sensor mounting mechanism is used for mounting the reinforcing bar meter 13, and the rotary table 1 is used for applying torque to the second screw 14, so that the sensor mounting mechanism can be mounted and dismounted conveniently. The turntable 1 is provided with a sleeve with an internal thread, and the first screw rod 4 and the second screw rod 14 are both composed of a sleeve with an internal thread at one end and a loop bar with an external thread at the other end; the sleeve end of the first screw rod 4 is in threaded connection with a sleeve of the rotary table 1, and the sleeve end is in threaded connection with one end of the steel bar meter 13; the sleeve end of the second screw 14 is in threaded connection with the other end of the reinforcement meter 13, and the sleeve end is in threaded connection with the sleeve of the third screw 15. When the rotary table 1 rotates clockwise or counterclockwise, the first screw rod 4 can be driven to rotate synchronously, so that the sensor mounting mechanism can move forward or backward along the movement direction, and the mounting and dismounting of the sensor mounting mechanism and the third screw rod 15 of the force transmission mechanism can be realized. In order to avoid the influence on the disassembly and assembly caused by looseness of each external thread loop bar and each internal thread sleeve of the sensor installation mechanism in the disassembly and assembly process of the sensor installation mechanism, spot welding reinforcement processing can be carried out at the joints of the rotary table 1 and the first screw rod 4, the first screw rod 4 and the steel bar meter 13, and the steel bar meter 13 and the second screw rod 14. The first screw rod 4, the second screw rod 14 and the steel bar meter 13 are all made of steel.
As shown in fig. 2, 4 and 5, the wire 6 of the steel bar meter 13 is a long cable wire, in order to lead the wire 6 of the steel bar meter 13 out of the model for facilitating measurement of experimental data, a wire hole 20 for passing through the wire 6 of the steel bar meter is arranged in the side wall of the first screw rod 4, and a wire orifice 21 for the wire 6 of the steel bar meter 13 to pass through is arranged at the tail end of the wire hole 20. The diameter of the wire hole 20 is preferably about 5-8 mm larger than that of the wire 6 of the steel bar meter 13, and the length of the wire hole 20 is preferably enough to ensure that the wire 6 can extend out of the first fastening nut 5 and can exceed the outer side of the first fastening nut 5 by about 50-60 mm after the sensor mounting mechanism is mounted; the length of the wire orifice 21 is controlled by the condition that the wire 6 can smoothly pass through, and can be more than 20-30 mm of the diameter of the wire 6.
As shown in fig. 1-3, the securing mechanism comprises a sheet pile wall 8 and a securing assembly, the sheet pile wall 8 being part of the dock model, abutting the deck 26 and being made of a concrete material. The fixed subassembly is including fixed nose girder 7 and first fastening nut 5, fixed nose girder 7 is made by the steel sheet of 10mm thick, be provided with bolt outer through-hole 22 and bolt inner through-hole 23 on fixed nose girder 7 and the sheet pile wall 8 respectively, fixed nose girder 7 and sheet pile wall 8 pass through bolt 2 through-bolt outer through-hole 22 and bolt inner through-hole 23, and realize fixed connection with supporting nut 3, bolt outer through-hole 22 and bolt inner through-hole 23 are greater than 2~3mm of the diameter of bolt 2, guarantee that bolt 2 can pass. The fixed guide beam 7 and the sheet pile wall 8 are respectively provided with a first screw rod outer through hole 9 and a first screw rod inner through hole 10, the first screw rod 4 penetrates through the first screw rod outer through hole 9 and the first screw rod inner through hole 10 and is fixedly installed on the fixed guide beam 7 through the first fastening screw cap 5, the first screw rod outer through hole 9 and the first screw rod inner through hole 10 are larger than the first screw rod 4 in diameter of 2-3 mm, and the first screw rod 4 can be ensured to pass through.
As shown in fig. 1-3, the force transmission mechanism further includes a second fastening nut 19, the third screw 15 and the second fastening nut 19 are made of steel, the anchorage mechanism includes an anchorage pile cap 16 and an anchorage pile 17 which are fixedly connected, a third screw through hole 18 is arranged in the anchorage pile cap 16, the third screw 15 is composed of a threaded sleeve with an internal thread at one end and a threaded sleeve rod with an external thread at one end, the threaded sleeve end with the internal thread is connected with the second screw 14, and the diameter sizes of the two are matched; the end of the screw with the external thread penetrates through the third screw through hole 18 and is fixed on the anchor pile cap 16 through the second fastening nut 19, and the diameter of the third screw through hole 18 is 2-3 mm larger than that of the third screw 15, so that the third screw 15 can penetrate through the screw. The anchor pile cap 16 and the anchor pile 17 are made of concrete, and when the concrete anchor pile cap 16 is cast in place, the top of the anchor pile 17 is embedded into the anchor pile cap 16 by 100mm, so that the anchor pile cap 16 and the anchor pile 17 form a whole.
As shown in fig. 1 to 3, the protection mechanism includes a first protection pipe 11 and a second protection pipe 12, one end of the first protection pipe 11 and one end of the second protection pipe 12 are nested with each other and are not in contact with each other, the other end of the first protection pipe 11 is fixedly connected with the inner side of the sheet pile wall 8, and the other end of the second protection pipe 12 is fixedly connected with one side of the anchor pile cap 16. The first protection pipe 11 and the second protection pipe 12 are both made of thin-wall steel pipes, and the inner diameter of the second protection pipe 12 is about 50mm larger than the outer diameter of the third screw 15. The centers of the cross sections of the first protection pipe 11 and the second protection pipe 12 are overlapped, the mutual nesting length of the first protection pipe 11 and the second protection pipe 12 is 30-50mm, the first protection pipe 11 and the second protection pipe 12 are not in contact with each other, therefore, the force transmission between the screws cannot be influenced, the outer diameter of the first protection pipe 11 is 5-10mm smaller than the inner diameter of the second protection pipe 12, and the nesting mode with small gaps can prevent the filling 27 from entering the gap between the protection mechanism and the sensor mounting mechanism to block the taking-out of the sensor mounting mechanism.
As shown in fig. 3 and 6, a first embedded steel ring 24 matched with the first protection pipe 11 is arranged in the sheet pile wall 8, a second embedded steel ring 25 matched with the second protection pipe 12 is arranged in the anchor pile cap 16, and the end portions of the first protection pipe 11 and the second protection pipe 12 are welded and fixed with the first embedded steel ring 24 and the second embedded steel ring 25 respectively. First pre-buried steel ring 24's shape is the annular, and annular external diameter is greater than the external diameter 10mm of first protective tube 11, and annular internal diameter is less than the internal diameter 10mm of first protective tube 11 to weld on first pre-buried steel ring 24 that first protective tube 11 can be convenient. The shape of the pre-buried steel ring 25 of second is the annular, and annular external diameter is greater than the external diameter 10mm of second protection tube 12, and annular internal diameter is less than the internal diameter 10mm of second protection tube 12 to weld on the pre-buried steel ring 25 of second that second protection tube 12 can be convenient.
Example 2
A method for replacing a reinforcing bar meter in a teaching model convenient for replacing the reinforcing bar meter comprises the following steps:
under normal conditions, a force transfer mechanism and a protection mechanism are embedded inside a model, a fixed guide beam 7 of a fixing mechanism is fixed on a sheet pile wall 8 of the teaching model through a bolt 2 and a nut 3, a steel bar meter 13 is connected into a sensor installation mechanism through a first screw rod 4 and a second screw rod 14 and is connected with a third screw rod 15 of the force transfer mechanism in a threaded mode, force borne by the outside of the sheet pile wall can be transmitted to an anchorage mechanism through a force transmission mechanism, so that the stress state of the sheet pile wall 8 is reduced, and meanwhile, the magnitude of the force borne by the third screw rod 15 can be measured through the steel bar meter 13, as shown in figures 1 and 2;
when the steel bar meter 13 breaks down and needs to be replaced, the first fastening screw cap 5 is loosened, so that the first screw rod 4, the fixed guide beam 7 and the sheet pile wall 8 form non-fixed connection;
rotating the rotary table 1 to separate the sleeve end of the second screw 14 from the sleeve end of the third screw 15, and continuing to rotate the rotary table 1 until the sensor mounting mechanism is taken out of the teaching model, as shown in fig. 3;
pulling out the lead 6 of the old steel bar meter from the lead hole 21 and the lead hole 20 in sequence, detaching the old steel bar meter 13 from the space between the first screw rod 4 and the second screw rod 14 in sequence according to the direction of the screw thread, then installing a new steel bar meter between the first screw rod 4 and the second screw rod 14, and enabling the lead 6 of the new steel bar meter to penetrate out of the lead hole 21 through the lead hole 20;
sequentially penetrating a sensor mounting mechanism through a first screw rod outer through hole 9 of a fixed guide beam 7 and a first screw rod inner through hole 10 of a sheet pile wall 8, and fixedly connecting the sleeve end of a second screw rod 14 with the sleeve end of a third screw rod 15 by reversely rotating a turntable 1;
the first fastening nut 5 of screwing realizes the fixed mounting of first screw rod 4 and fixed nose girder 7 and sheet pile wall 8, can accomplish the change of bar meter 13, and at this moment, through applying external load and connecting measuring equipment to the teaching model, can carry out the teaching model experiment.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A teaching model convenient for replacing a reinforcing bar meter is characterized by comprising a sensor mounting mechanism, a fixing mechanism, a force transmission mechanism, an anchorage mechanism and a protection mechanism;
the sensor mounting mechanism comprises a turntable, a first screw rod, a steel bar meter and a second screw rod which are connected in sequence;
the fixing mechanism comprises a sheet pile wall and a fixing component, and the first screw penetrates through the sheet pile wall and is relatively fixed with the sheet pile wall through the fixing component;
the force transmission mechanism comprises a third screw rod, one end of the third screw rod is in threaded connection with one end of the second screw rod, and the other end of the third screw rod is fixedly connected with the anchorage mechanism;
the protection mechanism is located between the sheet pile wall and the anchorage mechanism and covers the first screw rod, the steel bar meter, the second screw rod and the third screw rod.
2. The teaching model convenient for replacing a reinforcing bar meter according to claim 1, wherein the first screw and the second screw are both composed of a sleeve with an internal thread at one end and a loop bar with an external thread at the other end; the sleeve end of the first screw is in threaded connection with the rotary table, and the sleeve end of the first screw is in threaded connection with one end of the steel bar meter; and the sleeve end of the second screw is in threaded connection with the other end of the steel bar meter, and the sleeve end is in threaded connection with the third screw.
3. The teaching model of claim 1, wherein a wire guide hole for passing a wire of the steel bar meter is formed in the side wall of the first screw rod, and a wire hole for allowing the wire of the steel bar meter to pass through is formed at the end of the wire guide hole.
4. The teaching model of claim 1, wherein the fixing assembly comprises a fixing guide beam and a first fastening nut, the fixing guide beam and the sheet pile wall are fixedly connected through a matched bolt and nut, the fixing guide beam and the sheet pile wall are respectively provided with a first screw rod outer through hole and a first screw rod inner through hole, and the first screw rod penetrates through the first screw rod outer through hole and the first screw rod inner through hole and is fixedly mounted on the fixing guide beam through the first fastening nut.
5. The teaching model convenient for replacing a bar meter according to claim 1, wherein the force transmission mechanism further comprises a second fastening nut, the anchorage mechanism comprises an anchorage pile cap and an anchorage pile which are fixedly connected, a third screw through hole is arranged in the anchorage pile cap, and the third screw penetrates through the third screw through hole and is fixed on the anchorage pile cap through the second fastening nut.
6. The teaching model convenient for replacing the reinforcement meter is characterized in that the protection mechanism comprises a first protection pipe and a second protection pipe, one ends of the first protection pipe and the second protection pipe are nested with each other and are not in contact with each other, the other end of the first protection pipe is fixedly connected with the inner side of the sheet pile wall, and the other end of the second protection pipe is fixedly connected with one side of the anchor pile cap.
7. The teaching model convenient to change bar meter of claim 6, wherein the sheet pile wall is provided with a first pre-embedded steel ring matched with the first protection pipe, the anchor pile cap is provided with a second pre-embedded steel ring matched with the second protection pipe, and the ends of the first protection pipe and the second protection pipe are respectively welded and fixed with the first pre-embedded steel ring and the second pre-embedded steel ring.
8. The teaching model of facilitating replacement of a reinforcing bar gauge as recited in claim 6, wherein the centers of the cross-sections of the first protection tube and the second protection tube coincide, and the inner diameter of the second protection tube is larger than the outer diameter of the first protection tube.
9. A method for replacing a reinforcing bar meter in a teaching model convenient for replacing the reinforcing bar meter is characterized by comprising the following steps:
disassembling the fixing assembly to enable the first screw rod to form non-fixed connection with the sheet pile wall;
rotating the turntable to separate the second screw rod from the third screw rod and taking the sensor mounting mechanism out of the teaching model;
detaching an old reinforcing steel bar meter from the space between the first screw rod and the second screw rod, and then installing a new reinforcing steel bar meter between the first screw rod and the second screw rod;
the sensor mounting mechanism penetrates through the sheet pile wall, and the second screw rod is fixedly connected with the third screw rod by reversely rotating the rotary table;
realize the fixed mounting of first screw rod and sheet pile wall through fixed subassembly, can accomplish the change of bar meter.
10. The method of claim 9, wherein the removing of the old rebar timing requires removing the wire of the old rebar timing from the wire guide of the first screw, the installing of the new rebar timing requires passing the wire of the new rebar timing through the wire guide of the first screw and out of the wire opening at the end of the wire guide.
CN202010315387.5A 2020-04-21 2020-04-21 Teaching model convenient for replacing steel bar meter and replacement method of steel bar meter Pending CN111462610A (en)

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Application Number Priority Date Filing Date Title
CN202010315387.5A CN111462610A (en) 2020-04-21 2020-04-21 Teaching model convenient for replacing steel bar meter and replacement method of steel bar meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010315387.5A CN111462610A (en) 2020-04-21 2020-04-21 Teaching model convenient for replacing steel bar meter and replacement method of steel bar meter

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CN111462610A true CN111462610A (en) 2020-07-28

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202882225U (en) * 2012-11-20 2013-04-17 中国水电顾问集团中南勘测设计研究院 Configured steel bar stress coupling connector and device for carrying out continuous monitoring on stress of configured steel bar
CN103105249A (en) * 2013-01-22 2013-05-15 沈阳建筑大学 Monitoring method of cast-in-situ prestressed concrete members and tensile stress of prestressed steels
CN104251801A (en) * 2014-09-12 2014-12-31 上海建工集团股份有限公司 Test device for measuring lateral pressure of concrete template
KR20180019396A (en) * 2016-08-16 2018-02-26 서울대학교산학협력단 Similitude Law and Pseudodynamic Test Method of Reinforced Concrete Structure by Modifying Analytic Parameter Considering Measured Strain Data
CN110763449A (en) * 2019-11-06 2020-02-07 河海大学 Wharf model loading test device and test method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202882225U (en) * 2012-11-20 2013-04-17 中国水电顾问集团中南勘测设计研究院 Configured steel bar stress coupling connector and device for carrying out continuous monitoring on stress of configured steel bar
CN103105249A (en) * 2013-01-22 2013-05-15 沈阳建筑大学 Monitoring method of cast-in-situ prestressed concrete members and tensile stress of prestressed steels
CN104251801A (en) * 2014-09-12 2014-12-31 上海建工集团股份有限公司 Test device for measuring lateral pressure of concrete template
KR20180019396A (en) * 2016-08-16 2018-02-26 서울대학교산학협력단 Similitude Law and Pseudodynamic Test Method of Reinforced Concrete Structure by Modifying Analytic Parameter Considering Measured Strain Data
CN110763449A (en) * 2019-11-06 2020-02-07 河海大学 Wharf model loading test device and test method

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Application publication date: 20200728