CN215574327U - Precast beam prestress wire detection device - Google Patents
Precast beam prestress wire detection device Download PDFInfo
- Publication number
- CN215574327U CN215574327U CN202121181408.5U CN202121181408U CN215574327U CN 215574327 U CN215574327 U CN 215574327U CN 202121181408 U CN202121181408 U CN 202121181408U CN 215574327 U CN215574327 U CN 215574327U
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- steel strand
- sleeve
- base
- detection device
- precast beam
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- 238000001514 detection method Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 56
- 239000010959 steel Substances 0.000 claims abstract description 56
- 238000005192 partition Methods 0.000 claims description 9
- 208000004141 microcephaly Diseases 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011513 prestressed concrete Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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Abstract
The utility model discloses a precast beam prestress steel strand detection device which comprises a base, wherein a tension sensor is arranged on one side of the base, a locking device used for clamping the end part of a steel strand is arranged on each of the tension sensor and a sliding block, the locking device comprises a conical sleeve, a plurality of clamping blocks used for clamping the side wall of the steel strand are arranged in the sleeve, and the small end ends of the clamping blocks are hinged to the same sleeve. Pass sleeve pipe and centre gripping groove with the steel strand wires tip, then start hydraulic means pulling steel strand wires, cause the lateral wall and the contact of sleeve inside wall of grip block, the grip block receives the reaction force of sleeve inside wall and presss from both sides tight steel strand wires, along with the increase of pulling range, the grip block improves the pressure to steel strand wires along with the increase of pulling distance, prevents that steel strand wires from droing.
Description
Technical Field
The utility model belongs to the technical field of engineering detection equipment, and particularly relates to a precast beam prestressed steel strand detection device.
Background
Modern concrete bridge buildings are developed to a great extent under the application of prestressed concrete technology, and are known as a "father of prestress" in French Frey, and a technical method for prefabricating segmented construction is provided in the construction of prestressed concrete bridges. After that, the well-known engineers in germany, namely instred, have proposed a new construction technique for hanging basket cantilever casting on the basis of the construction technique of prestressed concrete bridges. In addition, a new bridge structure system of the T-shaped beam is developed and is regarded as a mark for the mature construction technology of the cantilever method. The technology is widely applied in the Germany range, and the bridge constructed in the fifth and sixth times of the 20 th century by utilizing the technology is as high as 300. With the development of science and technology, prestressed concrete cantilever construction has been widely applied to bridge construction worldwide.
The bridge prestressing force runs through many steel strands at the crossbeam bottom of bridge in advance, then taut steel strand provides the prestressing force of bridge bottom, and this prestressing force can prevent bridge bottom bearing back fracture deformation, and in order to improve the engineering progress, the bridge can also adopt the mode of precast beam to carry out the commentaries on classics fast and join in marriage, reduction of erection time. However, the number of the steel strands in the precast beam is large, the tensile strength of the steel strands cannot be unified, the balance of the prestress is affected, and the material and the strength of the steel strands cannot be guaranteed, so that the tensile strength of the steel strands needs to be detected when the steel strands are applied to concrete, and the relationship between the tensile strength and the tensile ductility and the maximum tensile strength of the steel strands are detected. The existing detection device is often not very firm for fixing the end part of the steel strand and is easy to loosen. Therefore, the utility model mainly solves the problem that the prestressed steel strand detection device is not firmly fixed on the end part of the steel strand, so that the prestressed steel strand detection device is easy to loosen.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a prestressed steel strand detection device for a precast beam, and mainly solves the problem that the prestressed steel strand detection device is easy to loosen due to the fact that the end of a steel strand is not firmly fixed.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
a precast beam prestressed steel strand detection device comprises a base, wherein a tension sensor is arranged on one side of the base, a sliding block is arranged on the other side of the base, and a hydraulic device for driving the sliding block to horizontally move is arranged on the upper side of the base;
the tension sensor and the sliding block are both provided with locking devices for clamping the end parts of the steel strands;
the locking device comprises a conical sleeve, a plurality of clamping blocks used for clamping the side wall of the steel strand are arranged inside the sleeve, the outer side of the plurality of clamping blocks is conical after the plurality of clamping blocks are spliced, a clamping groove for the steel strand to pass through is formed in the inner side of the clamping block, the small head ends of the plurality of clamping blocks are hinged to the same sleeve, and the clamping blocks are hinged to the connecting end of the sleeve.
Furthermore, a partition plate is arranged above the base, and the hydraulic device is installed and fixed between the partition plate and the base.
Further, base and baffle all are provided with the spout that supplies the slider to stabilize gliding.
Furthermore, the free end of the sleeve is provided with a locking thread, and the locking thread is correspondingly provided with a locking threaded sleeve.
Furthermore, one side of the clamping block, which corresponds to the clamping groove, is provided with a thread.
The utility model has the following beneficial effects:
pass sleeve pipe and centre gripping groove with the steel strand wires tip, then start hydraulic means pulling steel strand wires, cause the lateral wall and the contact of sleeve inside wall of grip block, the grip block receives the reaction force of sleeve inside wall and presss from both sides tight steel strand wires, along with the increase of pulling range, the grip block improves the pressure to steel strand wires along with the increase of pulling distance, prevents that steel strand wires from droing.
Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1: the utility model has a schematic structure.
FIG. 2: the utility model relates to a structure of a locking device.
FIG. 3: the utility model discloses a slide block position local enlarged structure diagram.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a base 1, a tension sensor 10, a sliding block 11, a hydraulic device 4, a steel strand 3, a locking device 2, a sleeve 21, a clamping block 22, a clamping groove 23, a sleeve 5, a partition plate 12, a sliding groove 13, a locking thread 51, a locking thread sleeve 52 and a thread 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
As shown in fig. 1-2: a precast beam prestressed steel strand detection device comprises a base 1, wherein one side of the base 1 is provided with a tension sensor 10, the other side of the base 1 is provided with a sliding block 11, and the upper side of the base 1 is provided with a hydraulic device 4 for driving the sliding block 11 to horizontally move;
the tension sensor 10 and the sliding block 11 are both provided with a locking device 2 for clamping the end part of the steel strand 3;
locking device 2 is including being conical sleeve 21, sleeve 21 is inside to be provided with a plurality of grip blocks 22 that are used for 3 lateral walls of centre gripping steel strand wires, and a plurality of grip blocks 22 close the back outside of piecing together and are the taper, and the inboard centre gripping groove 23 that supplies steel strand wires 3 to pass that forms, and the little head of a plurality of grip blocks 22 all articulates in same sleeve pipe 5, grip block 22 is articulated with sleeve pipe 5's link.
According to the utility model, the center of the sleeve is used for penetrating through the steel strand, the clamping blocks are uniformly arranged around the axis of the sleeve, the outer side walls of the clamping blocks are arc-shaped and matched with the inner side walls of the sleeve, and are movably hinged to the same sleeve in a unified manner, and the sleeve is used for being sleeved outside the steel strand and locking the position of the clamping blocks.
In the use, pass sleeve pipe and centre gripping groove with the steel strand wires tip, then start hydraulic means pulling steel strand wires, cause the lateral wall and the contact of sleeve inside wall of grip block, the grip block receives the reaction force of sleeve inside wall and presss from both sides tight steel strand wires, along with the increase of pulling range, the grip block improves the pressure to the steel strand wires along with the increase of pulling distance, prevents that the steel strand wires from droing.
As illustrated in fig. 3: a partition plate 12 is arranged above the base 1, and the hydraulic device 4 is installed and fixed between the partition plate 12 and the base 1. For improving the stability of the hydraulic device.
As illustrated in fig. 3: the base 1 and the partition plate 12 are both provided with a sliding chute 13 for the sliding block 11 to stably slide. For improving the sliding stability of the slider.
As illustrated in fig. 2: the free end of the sleeve 5 is provided with a locking thread 51, and the locking thread 51 is correspondingly provided with a locking thread sleeve 52. The pre-fixing device is used for pre-fixing the steel strand.
As illustrated in fig. 2: the clamping block 22 is provided with a thread 24 at one side corresponding to the clamping groove 23. The steel strand wire is used for improving the holding power between the steel strand wire and reducing the slippage.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. The utility model provides a precast beam prestressing force steel strand wires detection device which characterized in that:
the device comprises a base (1), wherein a tension sensor (10) is arranged on one side of the base (1), a sliding block (11) is arranged on the other side of the base (1), and a hydraulic device (4) for driving the sliding block (11) to horizontally move is arranged on the upper side of the base (1);
the tension sensor (10) and the sliding block (11) are both provided with locking devices (2) used for clamping the end parts of the steel strands (3);
locking device (2) is including being conical sleeve (21), sleeve (21) inside is provided with a plurality of grip blocks (22) that are used for centre gripping steel strand wires (3) lateral wall, and a plurality of grip blocks (22) close the back outside and be the taper, and the inboard centre gripping groove (23) that supply steel strand wires (3) to pass that form, the microcephaly end of a plurality of grip blocks (22) all articulate in same sleeve pipe (5), grip block (22) are articulated with the link of sleeve pipe (5).
2. The precast beam prestressed steel strand detection device according to claim 1, characterized in that: a partition plate (12) is arranged above the base (1), and the hydraulic device (4) is installed and fixed between the partition plate (12) and the base (1).
3. The precast beam prestressed steel strand detection device according to claim 2, wherein: the base (1) and the partition board (12) are both provided with sliding chutes (13) for the sliding blocks (11) to stably slide.
4. The precast beam prestressed steel strand detection device according to claim 1, characterized in that: the free end of the sleeve (5) is provided with a locking thread (51), and the locking thread (51) is correspondingly provided with a locking threaded sleeve (52).
5. The precast beam prestressed steel strand detection device according to claim 1, characterized in that: and one side of the clamping block (22) corresponding to the clamping groove (23) is provided with a thread (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121181408.5U CN215574327U (en) | 2021-05-28 | 2021-05-28 | Precast beam prestress wire detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121181408.5U CN215574327U (en) | 2021-05-28 | 2021-05-28 | Precast beam prestress wire detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215574327U true CN215574327U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121181408.5U Expired - Fee Related CN215574327U (en) | 2021-05-28 | 2021-05-28 | Precast beam prestress wire detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215574327U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198726A (en) * | 2022-08-26 | 2022-10-18 | 广东电网有限责任公司 | Supporting structure |
| CN118090409A (en) * | 2024-04-28 | 2024-05-28 | 江苏华钰电力金具制造有限公司 | Work piece clamping structure for electrohydraulic servo horizontal tensile testing machine |
-
2021
- 2021-05-28 CN CN202121181408.5U patent/CN215574327U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115198726A (en) * | 2022-08-26 | 2022-10-18 | 广东电网有限责任公司 | Supporting structure |
| CN118090409A (en) * | 2024-04-28 | 2024-05-28 | 江苏华钰电力金具制造有限公司 | Work piece clamping structure for electrohydraulic servo horizontal tensile testing machine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220118 |