CN215594157U - Counterforce device for restoring load box to original state - Google Patents
Counterforce device for restoring load box to original state Download PDFInfo
- Publication number
- CN215594157U CN215594157U CN202122231063.6U CN202122231063U CN215594157U CN 215594157 U CN215594157 U CN 215594157U CN 202122231063 U CN202122231063 U CN 202122231063U CN 215594157 U CN215594157 U CN 215594157U
- Authority
- CN
- China
- Prior art keywords
- load box
- movable
- force application
- movable beam
- counterforce
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model relates to a counterforce device for recovering the original shape of a load box after the quality of the load box is checked on site, belonging to the technical field of civil engineering. A counterforce device for restoring a load box to an original state comprises a limiting device, a force application device and a movable device; the limiting device is used for limiting the force application device between the top of the limiting device and the movable device, the distance between the top of the limiting device and the movable device is higher than the height of the load box to be recovered, the bottom of the limiting device is movably connected with the lower plate of the load box, the force application device is used as a force application part for recovering the tested load box, and the movable device is arranged on the upper plate of the load box; when the force application device is started, the force application device presses the movable device to move downwards, and the movable device drives the upper plate of the load box to move downwards, so that the load box is restored to the original state. The utility model has the following advantages: 1. the load box is not only a stressed recovery object, but also a part of the counter-force beam; 2. is convenient to carry; 3. it is more labor-saving.
Description
Technical Field
The utility model relates to a counterforce device for recovering the original shape of a load box after the quality of the load box is checked on site, belonging to the technical field of civil engineering.
Background
The foundation pile self-balancing load box is buried underground by hidden engineering, and once the quality problem exists, the foundation pile self-balancing load box cannot be tested, so that the scientific method is that the load box needs to be subjected to a liquid passing stroke test before being buried underground, but the test is finished, how to recover the load box, and a set of good device is not provided. The recovery of the load box needs several tons of acting force, so that the piston part which is stroked out can be pressed back into the cylinder body to recover the original state. Therefore, a set of simple device for field detection is designed, and the load box is required to be ensured to be restored to the original state after being checked.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the problems occurring in the prior art, and an object of the present invention is to provide a reaction force device for restoring a load cell to an original state, in which the load cell is a target to be restored by a force and is a part of the device, and which is easy to assemble and disassemble and easy to carry.
In order to achieve the purpose, the utility model adopts the following technical scheme: a counterforce device for restoring a load box to an original state comprises a limiting device, a force application device and a movable device; the limiting device is used for limiting the force application device between the top of the limiting device and the movable device, the distance between the top of the limiting device and the movable device is higher than the height of the load box to be recovered, the bottom of the limiting device is movably connected with the lower plate of the load box, the force application device is used as a force application part for recovering the tested load box, and the movable device is arranged on the upper plate of the load box; when the force application device is started, the force application device presses the movable device to move downwards, and the movable device drives the upper plate of the load box to move downwards, so that the load box is restored to the original state.
Preferably, the limiting device comprises at least two L-shaped reaction columns and a cross beam, the bottom of each L-shaped reaction column is a free end and is spliced with the lower plate of the load box, and the top of each L-shaped reaction column is connected and fixed with the end part of the cross beam.
Preferably, the vertical part of the L-shaped reaction column is consistent with the axial direction of the load box; the crossbeam is parallel with the load box upper plate.
Preferably, the number of the L-shaped reaction columns is two, the cross beams are parallel double beams, and the tops of the L-shaped reaction columns are arranged at two ends of the parallel double beams.
Preferably, the force application device is a jack and is arranged between the limiting device and the movable device, and the axis of the force application device and the axis of the load box are on the same straight line.
Preferably, the movable device comprises a movable beam A and a movable beam B which are arranged in a crossed mode, the length of the movable beam A and the length of the movable beam B are both larger than the outer diameter of the upper plate of the load box, the lower surfaces of the movable beam A and the movable beam B are both in contact with the upper plate of the load box, and the upper surface of the crossed position of the movable beam A and the upper surface of the movable beam B are in contact with the lower surface of the force application device.
Preferably, the movable beam A is positioned below the movable beam B, beam plates are arranged on two sides of the movable beam B far away from the center, and the thickness of each beam plate is consistent with that of the movable beam A.
Preferably, the movable beam A and the movable beam B are channel steel, and the beam plate is arranged in a groove of the movable beam B.
The use process comprises the following steps:
1. placing a load box;
2. pressurizing the load box, and performing a liquid-passing stroke test;
3. placing the L-shaped reaction column, and inserting the bottom of the L-shaped reaction column on an inner ring fixing frame of the lower plate of the load box;
4. sequentially placing a movable beam A and a movable beam B to enable the movable beams A and B to be in a cross state;
5. a jack is arranged at the crossing position of the movable beam A and the movable beam B;
6. pressurizing the jack;
7. after the jack is restored to the original state, sequentially taking away the jack, the movable beam B, the movable beam A and the L-shaped reaction column;
8. and completing the reduction of the load box.
Compared with the prior art, the utility model has the following advantages:
1. the load box is not only a stressed recovery object, but also a part of the counter-force beam;
2. the utility model can be assembled when in use, and can be disassembled after use, thereby being convenient for carrying;
3. the movable beam adopts a non-uniform cross section cross movable beam, which is more labor-saving.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a view of the application of an embodiment of the present invention in a loadbox;
in the figure, 1, L-shaped reaction column; 2. parallel double beams; 3. a jack; 4. a movable beam; 5. a non-uniform section movable beam; 6. and (4) a load box.
Detailed Description
It should be noted that, in the present embodiment, the terms of orientation "upper", "lower", "top", "bottom", and the like are described in accordance with the drawings, and do not limit the present invention.
The utility model is described in further detail below with reference to the accompanying figures 1-3: a counterforce device for restoring a load box comprises a limiting device, a force application device and a movable device, wherein the limiting device is used for limiting the force application device between the top of the limiting device and the movable device, the distance between the top of the limiting device and the movable device is higher than the height of the load box 6 to be restored, the bottom of the limiting device is movably connected with a lower plate of the load box, the force application device is used as a force application part for restoring the tested load box into the original state, and the movable device is arranged on the upper plate of the load box; when the force application device is started, the force application device presses the movable device to move downwards, and the movable device drives the upper plate of the load box to move downwards, so that the load box is restored to the original state.
As shown in fig. 1-2, the limiting device comprises at least two L-shaped reaction columns 1 and two parallel beams 2, wherein the number of the L-shaped reaction columns 1 is two, and the L-shaped reaction columns 1 are uniformly distributed, in this embodiment, the number of the L-shaped reaction columns 1 is two, and an upward protrusion is arranged at the end part of a horizontal part at the bottom of the L-shaped reaction columns, so that the horizontal part is in a hook shape, and the L-shaped reaction columns 1 can be more stably inserted into the inner ring fixing frame of the lower plate of the load box; the vertical part of L shape reaction post 1 is unanimous with the axial of load case, radially seted up threaded hole at its top along it, in this embodiment, parallel double beam 2 is the platelike piece of two relative settings, set up the screw hole in the both ends of face and centre, through the bolt with the screw hole adaptation with L shape reaction post 1 top fixed with the end connection of parallel double beam 2, and the top of L shape reaction post 1 is located between two platelike pieces of parallel double beam 2, simultaneously, parallel double beam 2 is parallel with the load case upper plate.
As shown in fig. 1-2, the length of the mobile device is greater than the outer diameter of the upper plate of the load box 6, the lower surface of the mobile device is in contact with the upper plate of the load box, and the upper surface of the mobile device serves as a supporting point for the force application device. In this embodiment, the movable device includes a movable beam 4 and a movable beam 5 with non-uniform cross section, and the two are crossed to form a cross, the movable beam 4 is a channel steel structure, and the opening surface of the movable beam faces downwards; the unequal-section movable beam 5 comprises a channel steel structure and beam plates, the opening face of the unequal-section movable beam 5 faces downwards, meanwhile, the beam plates are mounted in grooves of the channel steel structure and located on two sides of the channel steel structure, namely, the middle of the beam plates is disconnected, the gaps are used for placing the movable beams 4, and the thickness of the movable beams 4 is the same as that of the beam plates.
As shown in fig. 1-2, the force application device is a jack 3, which is arranged between the parallel double beams 2 and the non-uniform section movable beam 5, and the axle center of the force application device and the axle center of the load box are on the same straight line; the bottom of the jack 3 is abutted against the upper surface of the movable beam 5 with the non-uniform section, more precisely, the axis of the jack 3 is abutted against the crossing positions of the movable beam 4 and the movable beam 5 with the non-uniform section, and the top of the jack 3 is abutted against the middle of the parallel double beams 2, namely, a bolt installed in the middle of the parallel double beams 2 is used as the abutting position of the top of the jack 3.
As shown in fig. 3, the usage flow of the device in the load box is as follows:
1. placing a load box;
2. pressurizing the load box, and performing a liquid-passing stroke test;
3. placing the L-shaped reaction column, and inserting the bottom of the L-shaped reaction column on an inner ring fixing frame of the lower plate of the load box;
4. sequentially placing a movable beam A and a movable beam B to enable the movable beams A and B to be in a cross state;
5. a jack is arranged at the crossing position of the movable beam A and the movable beam B;
6. pressurizing the jack so as to extrude the liquid in the load box;
7. after the jack is restored to the original state, sequentially taking away the jack, the movable beam B, the movable beam A and the L-shaped reaction column;
8. and completing the reduction of the load box.
The working principle is as follows: the counter-force device consists of parallel double beams, an L-shaped counter-force column, a cross-shaped movable beam, a jack and a stress component of a load box, wherein the load box is a stress recovery object and is also a part of the device; the utility model can be assembled when in use, and can be disassembled after use, thereby being convenient for carrying; the adoption of the non-uniform cross-section cross movable beam saves more labor.
The above examples are merely preferred embodiments of the present invention and are not to be construed as limiting the utility model. It will be understood by those skilled in the art that any extension, modification, equivalent replacement, etc. made without departing from the principle of the present invention shall be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a counterforce device for inciting somebody to action load case reconversion which characterized in that: the counterforce device comprises a limiting device, a force application device and a movable device; the limiting device is used for limiting the force application device between the top of the limiting device and the movable device, the distance between the top of the limiting device and the movable device is higher than the height of the load box to be recovered, the bottom of the limiting device is movably connected with the lower plate of the load box, the force application device is used as a force application part for recovering the tested load box, and the movable device is arranged on the upper plate of the load box; when the force application device is started, the force application device presses the movable device to move downwards, and the movable device drives the upper plate of the load box to move downwards, so that the load box is restored to the original state.
2. A counterforce for restoring a load box according to claim 1, characterized in that: the limiting device comprises at least two L-shaped reaction columns and a cross beam, the bottom of each L-shaped reaction column is a free end and is spliced with the lower plate of the load box, and the top of each L-shaped reaction column is fixedly connected with the end part of the cross beam.
3. A counterforce for restoring the load box according to claim 2, characterized in that: the vertical part of the L-shaped reaction column is consistent with the axial direction of the load box; the crossbeam is parallel with the load box upper plate.
4. A counterforce device for restoring a load box according to claim 2 or 3, characterized in that: the two L-shaped reaction columns are arranged, the cross beams are parallel double beams, and the tops of the L-shaped reaction columns are arranged at two ends of the parallel double beams.
5. A counterforce for restoring a load box according to claim 1, characterized in that: the force application device is a jack and is arranged between the limiting device and the movable device, and the axis of the force application device and the axis of the load box are on the same straight line.
6. A counterforce for restoring a load box according to claim 1, characterized in that: the movable device comprises a movable beam A and a movable beam B which are arranged in a crossed mode, the length of the movable beam A and the length of the movable beam B are both larger than the outer diameter of the upper plate of the load box, the lower surfaces of the movable beam A and the movable beam B are both in contact with the upper plate of the load box, and the upper surface of the crossed position of the movable beam A and the upper surface of the movable beam B are in contact with the lower surface of the force application device.
7. The counterforce apparatus for restoring a load box according to claim 6, wherein: the movable beam A is positioned below the movable beam B, beam plates are arranged on two sides of the movable beam B far away from the center, and the thickness of each beam plate is consistent with that of the movable beam A.
8. The counterforce apparatus for restoring a load box according to claim 7, wherein: the movable beam A and the movable beam B are channel steel, and the beam plate is arranged in a groove of the movable beam B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122231063.6U CN215594157U (en) | 2021-09-15 | 2021-09-15 | Counterforce device for restoring load box to original state |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122231063.6U CN215594157U (en) | 2021-09-15 | 2021-09-15 | Counterforce device for restoring load box to original state |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215594157U true CN215594157U (en) | 2022-01-21 |
Family
ID=79885907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122231063.6U Active CN215594157U (en) | 2021-09-15 | 2021-09-15 | Counterforce device for restoring load box to original state |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215594157U (en) |
-
2021
- 2021-09-15 CN CN202122231063.6U patent/CN215594157U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107167378B (en) | Axial tension test device and test method thereof | |
| CN103398908A (en) | Steel-concrete composite column anti-seismic anti-torsion test loading device and manufacturing method thereof | |
| CN203606232U (en) | Pressing, bending and twisting composite stress member loading device | |
| CN106996900B (en) | Axial tension and compression test device under constraint action and test method thereof | |
| CN205679468U (en) | A kind of anchor rod drawing test hydraulic support device | |
| CN103439105A (en) | Axial follow-up space loading device | |
| CN110174232B (en) | Testing device, system and method for simulating long-term axial load and impact coupling disaster on component | |
| KR100992736B1 (en) | Section steel-pile pulling machine | |
| CN110726615A (en) | Loading device suitable for T-shaped beam column node test and using method thereof | |
| CN106499421B (en) | A kind of mechanical constant-resistance individual prop withdrawing technique and recovery method | |
| CN215594157U (en) | Counterforce device for restoring load box to original state | |
| CN208488320U (en) | Arc stud welding test specimen bend test device | |
| CN213805852U (en) | Jacking device for mounting latticed shell | |
| CN104458311B (en) | Structural column blast-resistant test device | |
| CN113585368A (en) | Counterforce device for restoring load box to original state | |
| CN211472858U (en) | Novel steel structure supporting structure | |
| CN209945884U (en) | RPC apron test detection device | |
| CN203782761U (en) | Pressure testing device using peripheral tubular pile component force to test prestress tubular pile | |
| CN210269387U (en) | Cement breaking press | |
| CN210482063U (en) | Wedge-shaped device for bottom die unloading | |
| CN209837123U (en) | Pile foundation static load test device | |
| CN213022562U (en) | Railway concrete simply supported beam static load test reaction frame | |
| CN102704398B (en) | Jacking construction method of capping beam | |
| CN211013830U (en) | Be applicable to experimental loading device of T font beam column node | |
| CN105220716A (en) | Demifacet stake small scale model vertical compression, the multiplex loading stand of pullout tests |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |