Prestress static force detection device

By designing the combination of hydraulic cylinder and detection mechanism, the problem of difficult detection of lateral dragging and deformation distance of concrete slabs in the prior art is solved, and the convenient detection effect of concrete slabs is achieved.

CN223122733UActive Publication Date: 2025-07-18CONSTR RES INST TESTING CENT CO LTD
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Patent Information

Application Number
CN202422267696.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-07-18
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

The prior art cannot effectively facilitate the horizontal drag of concrete slabs and the distance of concrete slabs deforming downward.

Method used

A prestressed static detection device is designed, including a hydraulic cylinder, a pressure sensor, a support block, a rotating roller, a slider, a slider, a first thread sleeve and an adjustment bolt. By pressing the concrete slab downwards by the hydraulic cylinder and combining the second thread sleeve, a thread shaft, a support plate, a sleeve, a top rod, a scale line and an indication arrow in the detection mechanism, the lateral drag and deformation distance of the concrete slab are realized.

Benefits of technology

It realizes convenient detection of lateral drag and deformation distance of concrete slabs, improving detection efficiency and accuracy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a prestress static force detection device which comprises a bottom plate and is provided with a detection mechanism which comprises a second threaded sleeve, a threaded shaft, a supporting plate, a sleeve, an ejector rod, a spring, a moving rod, a through groove, scale marks, an indicating arrow, a sliding sleeve, a sliding rod and a hand wheel. A hand wheel drives a threaded shaft to rotate and move in a second threaded sleeve, the threaded shaft drives a sleeve to move through a supporting plate, meanwhile, the sleeve drives an ejector rod to make contact with a concrete slab, the concrete slab deforms downwards under pressure, and the concrete slab drives the ejector rod to slide in the sleeve; and meanwhile, an ejector rod drives a pressing plate to compress, then the ejector rod drives a moving rod to slide in a through groove, and through cooperation of an indicating arrow and scale marks, the downward deformation distance of the concrete slab can be effectively and conveniently checked.
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Description

Technical Field

[0001] The utility model relates to the field of prestressed static detection, in particular to a prestressed static detection device. Background Technique

[0002] The prestressed static detection device for concrete slabs is a device used to measure and evaluate the prestressed state in concrete slabs to accurately obtain the mechanical property parameters of prestressed concrete slabs.

[0003] At present, the Chinese utility model with the publication number CN215865794U discloses a prestressed anchor connector static detection device, including a workbench. Two groups of vertical rods and hydraulic cylinders are fixedly installed on the upper part of the workbench. The side walls of the two groups of vertical rods are sleeved with two groups of first conduits, two groups of clamps and second conduits. A support plate is fixedly installed between the two groups of first conduits. Two groups of bandages are fixedly installed between adjacent two groups of clamps. Two groups of square tubes are sleeved on the side walls of the two groups of bandages. Two groups of mounting bolts are spirally penetrated through the end faces of the two groups of square tubes. A cross plate is fixedly installed between the two groups of second conduits. Four groups of tensile and compressive force sensors are fixedly installed below the cross plate. Beneficial effects: The utility model adopts a lifting rope. By setting the lifting rope, it can facilitate the upward movement of the plate structure for lifting and limiting the anchor connector, bringing convenience to the operation and use of the prestressed anchor connector static detection device.

[0004] To sum up, compared with the above scheme, it cannot effectively facilitate the horizontal dragging of the concrete slab, and at the same time, it cannot effectively facilitate the viewing of the downward deformation distance of the concrete slab. For this reason, we provide a prestressed static detection device. Content of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] Aiming at the deficiencies of the prior art, the utility model provides a prestressed static detection device, which solves the technical problems put forward in the above background technique.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solution: A prestressed static detection device, including a bottom plate. Two sides of the top of the bottom plate are bolted with support rods. The top of the support rods is bolted with a top plate. A hydraulic cylinder is bolted to the top of the top plate. The telescopic end of the hydraulic cylinder is bolted with a pressure sensor. The detection end of the pressure sensor is bolted with a pressing plate. Support mechanisms are arranged on both sides of the bottom of the top plate. An installation plate is arranged on the top of the bottom plate. The surface of the support rod is fixedly connected with the installation plate. A detection mechanism is arranged on the top of the installation plate;

[0009] The support mechanism includes a support block. The surface of the support rod is fixedly connected to the support block. A groove is formed at the top of the support block. A rotating roller is arranged inside the groove. Two sliding grooves are formed at the top of the support block. A slider is slidably connected inside the sliding groove. Both ends of the rotating roller are rotatably connected to the slider through bearings. Two first threaded sleeves are bolted to the bottom of the support block. An adjusting bolt is threadedly connected inside the first threaded sleeve. One end of the adjusting bolt is rotatably connected to the slider through a bearing.

[0010] Preferably, the detection mechanism includes a second threaded sleeve. The surface of the second threaded sleeve is bolted to the detection mechanism. A threaded shaft is threadedly connected inside the second threaded sleeve. A handwheel is bolted to the bottom of the threaded shaft. One end of the threaded shaft is rotatably connected to a support plate through a bearing. A sleeve is bolted to the top of the support plate. A top rod is slidably connected inside the sleeve. A spring is bolted to the bottom of the top rod. The bottom of the spring is bolted to the sleeve. A moving rod is bolted to the front of the top rod. A through groove adapted to the moving rod is formed on the front of the sleeve.

[0011] Preferably, scale lines are printed on the front of the sleeve. An indicating arrow is fixedly connected to the front of the moving rod.

[0012] Preferably, two sliding sleeves are bolted inside the detection mechanism. A sliding rod is slidably connected inside the sliding sleeve. The top of the sliding rod is bolted to the support plate.

[0013] Preferably, bases are arranged on both sides of the bottom of the bottom plate. The top of the base is bolted to the bottom plate.

[0014] Preferably, an anti-slip pad is bolted to the bottom of the base. Anti-slip lines are formed on the bottom of the anti-slip pad.

[0015] (III) Beneficial effects

[0016] The present utility model provides a prestressed static force detection device, which has the following beneficial effects:

[0017] For this prestressed static force detection device, by setting a hydraulic cylinder, a pressure sensor, a pressing plate, a support block, a groove, a rotating roller, a sliding groove, a slider, a first threaded sleeve and an adjusting bolt, by placing the concrete slab on the top of the support block and then starting the hydraulic cylinder to drive the pressing plate to press the concrete slab, through setting the pressure sensor, the pressing force can be effectively detected. The user can turn the adjusting bolt to make the adjusting bolt rotate and move inside the first threaded sleeve, and then make the adjusting bolt drive the slider to slide inside the sliding groove. At the same time, the slider moves upward on the rotating roller to make the rotating roller lift the concrete slab, and then pull the concrete slab to drive the rotating roller to rotate, so as to effectively facilitate the horizontal dragging of the concrete slab.

[0018] The prestressed static detection device is provided with a detection mechanism. The detection mechanism includes a second threaded sleeve, a threaded shaft, a support plate, a sleeve, a push rod, a spring, a moving rod, a through groove, scale lines, an indicating arrow, a sliding sleeve, a sliding rod and a hand wheel. By rotating the hand wheel, the hand wheel drives the threaded shaft to rotate and move inside the second threaded sleeve, and the threaded shaft drives the sleeve to move through the support plate. At the same time, the sleeve drives the push rod to contact the concrete slab. The concrete slab will deform downward under pressure, driving the push rod to slide inside the sleeve. At the same time, the push rod drives the pressure plate to be compressed, and then the push rod drives the moving rod to slide inside the through groove. Through the cooperation of the indicating arrow and the scale lines, the distance of the downward deformation of the concrete slab can be effectively and conveniently viewed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional schematic diagram of the structure of the present utility model;

[0020] Figure 2 It is an exploded schematic diagram of the partial structure of the present utility model;

[0021] Figure 3 It is an exploded schematic diagram of the partial structure of the present utility model;

[0022] Figure 4 It is an exploded schematic diagram of the partial structure of the present utility model.

[0023] In the figure: 1, bottom plate; 2, support rod; 3, top plate; 4, hydraulic cylinder; 5, pressure sensor; 6, pressure plate; 7, support mechanism; 701, support block; 702, groove; 703, rotating roller; 704, chute; 705, slider; 706, first threaded sleeve; 707, adjusting bolt; 8, detection mechanism; 801, second threaded sleeve; 802, threaded shaft; 803, support plate; 804, sleeve; 805, push rod; 806, spring; 807, moving rod; 808, through groove; 809, scale lines; 810, indicating arrow; 811, sliding sleeve; 812, sliding rod; 813, hand wheel; 9, mounting plate; 10, base; 11, anti-slip pad. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] Such as Figures 1-4As shown in the figure, the utility model provides a technical solution: a prestressed static detection device, which includes a bottom plate 1. On both sides of the top of the bottom plate 1, support rods 2 are bolted. At the top of the support rods 2, a top plate 3 is bolted. At the top of the top plate 3, a hydraulic cylinder 4 is bolted. At the telescopic end of the hydraulic cylinder 4, a pressure sensor 5 is bolted. At the detection end of the pressure sensor 5, a pressing plate 6 is bolted. On both sides of the bottom of the top plate 3, a support mechanism 7 is arranged. On the top of the bottom plate 1, an installation plate 9 is arranged. The surface of the support rod 2 is fixedly connected to the installation plate 9. On the top of the installation plate 9, a detection mechanism 8 is arranged;

[0026] The support mechanism 7 includes a support block 701. The surface of the support rod 2 is fixedly connected to the support block 701. At the top of the support block 701, a groove 702 is opened. Inside the groove 702, a rotating roller 703 is arranged. At the top of the support block 701, two sliding grooves 704 are opened. Inside the sliding grooves 704, sliding blocks 705 are slidably connected. The two ends of the rotating roller 703 are rotatably connected to the sliding blocks 705 through bearings respectively. At the bottom of the support block 701, two first threaded sleeves 706 are bolted. Inside the first threaded sleeves 706, adjusting bolts 707 are threadedly connected. One end of the adjusting bolt 707 is rotatably connected to the sliding block 705 through a bearing.

[0027] The detection mechanism 8 includes a second threaded sleeve 801. The surface of the second threaded sleeve 801 is bolted to the detection mechanism 8. Inside the second threaded sleeve 801, a threaded shaft 802 is threadedly connected. At the bottom of the threaded shaft 802, a handwheel 813 is bolted. One end of the threaded shaft 802 is rotatably connected to a support plate 803 through a bearing. At the top of the support plate 803, a sleeve 804 is bolted. Inside the sleeve 804, a top rod 805 is slidably connected. At the bottom of the top rod 805, a spring 806 is bolted. The bottom of the spring 806 is bolted to the sleeve 804. On the front of the top rod 805, a moving rod 807 is bolted. On the front of the sleeve 804, a through groove 808 adapted to the moving rod 807 is opened. On the front of the sleeve 804, scale lines 809 are printed. On the front of the moving rod 807, an indicating arrow 810 is fixedly connected. Inside the detection mechanism 8, two sliding sleeves 811 are bolted. Inside the sliding sleeves 811, sliding rods 812 are slidably connected. The top of the sliding rods 812 is bolted to the support plate 803. On both sides of the bottom of the bottom plate 1, bases 10 are arranged. The top of the bases 10 is bolted to the bottom plate 1. At the bottom of the bases 10, anti-slip pads 11 are bolted. Anti-slip patterns are opened at the bottom of the anti-slip pads 11.

[0028] In use, the user can place the concrete slab on the top of the support block 701, and then start the hydraulic cylinder 4 to drive the pressing plate 6 to press down on the concrete slab. By setting the pressure sensor 5, the pressing force can be effectively detected. The user can turn the adjusting bolt 707 to make the adjusting bolt 707 rotate and move inside the first threaded sleeve 706, and then make the adjusting bolt 707 drive the slider 705 to slide inside the chute 704. At the same time, the slider 705 moves upward on the rotating roller 703 to make the rotating roller 703 lift the concrete slab, and then pull the concrete slab to drive the rotating roller 703 to rotate, so as to effectively facilitate the lateral dragging of the concrete slab. The user can turn the handwheel 813 to make the handwheel 813 drive the threaded shaft 802 to rotate and move inside the second threaded sleeve 801, so that the threaded shaft 802 drives the sleeve 804 to move through the support plate 803. At the same time, the sleeve 804 drives the ejector rod 805 to contact the concrete slab. The concrete slab will deform downward under pressure, making the concrete slab drive the ejector rod 805 to slide inside the sleeve 804. At the same time, the ejector rod 805 drives the pressing plate 6 to be compressed, and then the ejector rod 805 drives the moving rod 807 to slide inside the through groove 808. Through the cooperation of the indicating arrow 810 and the scale line 809, the distance of the downward deformation of the concrete slab can be effectively and conveniently viewed.

[0029] At the same time, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0030] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the element.

[0031] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A prestressed static detection device, comprising a bottom plate (1), characterized in that: On both sides of the top of the bottom plate (1), support rods (2) are bolted. At the top of the support rods (2), a top plate (3) is bolted. At the top of the top plate (3), a hydraulic cylinder (4) is bolted. The telescopic end of the hydraulic cylinder (4) is bolted with a pressure sensor (5). The detection end of the pressure sensor (5) is bolted with a pressing plate (6). On both sides of the bottom of the top plate (3), a support mechanism (7) is provided. On the top of the bottom plate (1), a mounting plate (9) is provided. The surface of the support rod (2) is fixedly connected to the mounting plate (9). On the top of the mounting plate (9), a detection mechanism (8) is provided; The support mechanism (7) includes a support block (701). The surface of the support rod (2) is fixedly connected to the support block (701). At the top of the support block (701), a groove (702) is opened. Inside the groove (702), a rotating roller (703) is provided. At the top of the support block (701), two sliding grooves (704) are opened. Inside the sliding grooves (704), sliding blocks (705) are slidably connected. Both ends of the rotating roller (703) are rotatably connected to the sliding blocks (705) through bearings. At the bottom of the support block (701), two first threaded sleeves (706) are bolted. Inside the first threaded sleeves (706), adjusting bolts (707) are threadedly connected. One end of the adjusting bolt (707) is rotatably connected to the sliding block (705) through a bearing.

2. The prestressed static detection device according to claim 1, characterized in that: The detection mechanism (8) includes a second threaded sleeve (801). The surface of the second threaded sleeve (801) is bolted to the detection mechanism (8). Inside the second threaded sleeve (801), a threaded shaft (802) is threadedly connected. At the bottom of the threaded shaft (802), a handwheel (813) is bolted. One end of the threaded shaft (802) is rotatably connected to a support plate (803) through a bearing. At the top of the support plate (803), a sleeve (804) is bolted. Inside the sleeve (804), a top rod (805) is slidably connected. At the bottom of the top rod (805), a spring (806) is bolted. The bottom of the spring (806) is bolted to the sleeve (804). On the front of the top rod (805), a moving rod (807) is bolted. On the front of the sleeve (804), a through groove (808) adapted to the moving rod (807) is opened.

3. A prestressed static detection device according to claim 2, characterized in that: On the front of the sleeve (804), scale lines (809) are printed. On the front of the moving rod (807), an indicating arrow (810) is fixedly connected.

4. A prestressed static detection device according to claim 2, characterized in that: Inside the detection mechanism (8), two sliding sleeves (811) are bolted. Inside the sliding sleeves (811), sliding rods (812) are slidably connected. The top of the sliding rods (812) is bolted to the support plate (803).

5. A prestressed static detection device according to claim 1, characterized in that: On both sides of the bottom of the bottom plate (1), bases (10) are provided. The top of the bases (10) is bolted to the bottom plate (1).

6. The prestressed static detection device according to claim 5, characterized in that: At the bottom of the bases (10), anti-slip pads (11) are bolted. Anti-slip grooves are opened at the bottom of the anti-slip pads (11).

Citation Information

Patent Citations

  • Static force detection device for prestressed anchorage device connector

    CN215865794U