Prestressed steel strand tensioning force testing device

Abstract

The utility model provides a prestressed steel strand tension testing device, which relates to the technical field of prestressed steel strand detection and comprises a body mechanism and a fixing mechanism. The fixing mechanism comprises a set of rotating shafts, supporting plates are fixedly installed on the outer surface walls of the set of rotating shafts, a telescopic rod is fixed to one side of one supporting plate, and clamping bases are fixedly installed at the other supporting plate and the telescopic end of the telescopic rod. According to the utility model, the steel strand is arranged between one group of clamping blocks, and the second motor is used for driving the screw rod to be in threaded connection with the sliding blocks, so that the group of sliding blocks slide in the sliding groove and approach each other, one end of the steel strand is fixed, the length of the telescopic rod is adjusted, and the other end of the steel strand is arranged between the other group of clamping blocks; the other end of the steel strand is fixed, then the telescopic rod is retracted, and the tension force of the steel strand is tested, so that the test process is optimized, and the applicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to prestressed steel strand detection technical field especially relates to a prestressed steel strand tension testing device. BACKGROUND

[0002] Prestressed steel strand is by the twisting of a plurality of high strength steel wire and becomes a kind of steel, it has high strength, low relaxation, good flexibility, strong corrosion resistance and other characteristics.Prestressed steel strand is often used in bridge engineering, high-rise building, water conservancy engineering and other fields, plays an important role in modern engineering construction, is the important material of improving structural performance and safety.

[0003] In prior art, some tension testing equipment for testing prestressed steel strand is relatively bulky and inconvenient to carry: it is not conducive to flexible testing at construction site, has certain limitation; and it may need complicated setting and calibration steps in use process, has higher technical requirement to operating personnel, and its complex operation steps reduce the versatility of equipment. UTILITY MODEL CONTENT

[0004] The utility model discloses a prestressed steel strand tension testing device, which can solve the problems of the prior art, such as bulky and inconvenient to carry, not conducive to flexible testing at construction site, certain limitation, complicated setting and calibration steps in use process, higher technical requirement to operating personnel and reduced versatility of equipment.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: including: body mechanism and fixed mechanism;The fixed mechanism includes a group of rotating shafts, the outer wall of a group of rotating shafts is fixedly installed with a support plate, the side of one support plate is fixedly connected with an extension rod, the extension end of the extension rod and the other support plate are fixedly installed with a clamping base, the inner part of two clamping bases is provided with a sliding groove, the inner part of two sliding grooves is slidably connected with a group of sliding blocks, the inner part of two groups of sliding blocks is inserted with a screw rod, the screw rod is connected with the sliding block in screw thread, the side of two groups of sliding blocks is fixedly installed with a clamping block, and each group of clamping blocks is oppositely arranged.

[0006] Preferably, the body mechanism includes a tension testing machine, a group of rotating holes are formed in the inner part of the tension testing machine, and a group of storage grooves are formed in the bottom of the tension testing machine.

[0007] Preferably, the two sides of the tension testing machine are fixedly installed with a group of fixed binding belts, one side of a group of fixed binding belts is fixedly installed with a sticky hair, and the other side of the other group of fixed binding belts is fixedly installed with a sticky plate, and the sticky hair and the sticky plate are adhesively connected.

[0008] The bottom of the tension testing machine is fixedly provided with a plurality of pads and suction cups, and the top of the tension testing machine is fixedly provided with a plurality of pull rings.

[0009] Preferably, a plurality of rotating shafts are respectively inserted into a plurality of rotating holes, and the rotating shafts are rotatably connected with the rotating holes.

[0010] Preferably, a plurality of first motors are fixedly arranged on one side of the tension testing machine, and the output ends of the first motors are fixedly connected with one ends of the rotating shafts.

[0011] Preferably, a plurality of second motors are fixedly arranged on one ends of the clamping bases, and the output ends of the second motors are fixedly connected with one ends of the screw rods.

[0012] Compared with the prior art, the tension testing device has the advantages and positive effects that,

[0013] 1. In the tension testing device, the steel strand is arranged between a plurality of clamping blocks, the screw rod is driven by the second motor to be threadedly connected with the sliding block, the sliding block is slid in the sliding groove, the steel strand is fixed at one end, the length of the telescopic rod is adjusted, the other end of the steel strand is arranged between another plurality of clamping blocks, the other end of the steel strand is fixed, the telescopic rod is retracted, the steel strand is tensioned, the test process is optimized, and the applicability is improved.

[0014] 2. In the tension testing device, a plurality of rotating holes and storage grooves are arranged in the tension testing machine, the fixing mechanism is arranged in the storage groove when the device is not used, the fixing mechanism is fixed by the adhesive connection of the adhesive hair and the adhesive plate, the fixing mechanism is rotated by the first motor when the device is used, the support plate is adjusted to be perpendicular to the tension testing machine, and the steel strand is conveniently tensioned. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 FIG. 1 is a perspective view of a tension testing device for prestressed steel strand tension according to the present application;

[0016] Figure 2 FIG. 2 is a bottom view of the tension testing device for prestressed steel strand tension according to the present application;

[0017] Figure 3 FIG. 3 is a perspective view of a body mechanism of the tension testing device for prestressed steel strand tension according to the present application;

[0018] Figure 4 FIG. 4 is a perspective view of a fixing mechanism of the tension testing device for prestressed steel strand tension according to the present application.

[0019] Legend: 1. Main body mechanism; 101. Tensile testing machine; 102. Rotary hole; 103. Storage slot; 104. Fixing strap; 105. Lint roller; 106. Adhesive plate; 107. Pad block; 108. Suction cup; 109. Pull ring; 2. Fixing mechanism; 201. Rotating shaft; 202. Support plate; 203. Telescopic rod; 204. Clamping base; 205. Slide groove; 206. Slider; 207. Screw; 208. Clamping block; 209. First motor; 210. Second motor. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: As Figures 1-4 As shown, this utility model provides a prestressed steel strand tension testing device, including: a main body mechanism 1 and a fixing mechanism 2; the fixing mechanism 2 includes a set of rotating shafts 201, and a support plate 202 is fixedly installed on the outer wall of each set of rotating shafts 201. A telescopic rod 203 is fixed on one side of one support plate 202, and a clamping base 204 is fixedly installed on the telescopic ends of the other support plate 202 and the telescopic rod 203. A sliding groove 205 is opened inside each of the two clamping bases 204, and a set of sliders 206 is slidably connected inside each of the two sliding grooves 205. A screw 207 is inserted through the inside of each of the two sets of sliders 206, and the screw 207 is threadedly connected to the slider 206. A clamping block 208 is fixedly installed on one side of each of the two sets of sliders 206, and each set of clamping blocks 208 is arranged opposite to each other.

[0023] The overall effect of Embodiment 1 is as follows: a telescopic rod 203 is fixedly installed on one side of a support plate 202; a clamping base 204 is fixedly installed on one side of another support plate 202 and at the telescopic end of the telescopic rod 203; a sliding groove 205 is opened inside both clamping bases 204; a set of sliders 206 are slidably connected inside both sliding grooves 205; a set of screws 207 are respectively inserted into the two sets of sliders 206; clamping blocks 208 are fixedly installed on one side of both sets of sliders 206; each set of clamping blocks 208 is arranged opposite to each other; and then the prestressed steel strand is set in one... Between the clamping blocks 208, the second motor 210 drives the screw 207 to connect with the slider 206 threadedly, so that a set of sliders 206 are close to each other. The clamping blocks 208 fix one end of the prestressed steel strand. Then, the length of the telescopic rod 203 is adjusted, and the other end of the prestressed steel strand is clamped by the other two clamping blocks 208. The length of the clamping blocks 208 is set to be one set. The telescopic rod 203 is retracted to test the tension of the steel strand. The test value is displayed on the display of the tensile testing machine 101, thus completing the tension test of the prestressed steel strand.

[0024] Example 2: As Figures 1-4 As shown, the main body mechanism 1 includes a tensile testing machine 101. A set of rotating holes 102 are opened inside the tensile testing machine 101, and a set of storage slots 103 are opened at the bottom of the tensile testing machine 101. A set of fixing straps 104 are fixedly installed on both sides of the tensile testing machine 101. Adhesive lint 105 is fixedly installed on one side of one set of fixing straps 104, and an adhesive plate 106 is fixedly installed on one side of the other set of fixing straps 104. The adhesive lint 105 and the adhesive plate 106 are bonded together. A pad block 107 and a suction cup 108 are fixedly installed at the bottom of the tensile testing machine 101, and a suction cup 108 is fixedly installed at the top of the tensile testing machine 101. A pull ring 109 is installed; a set of rotating shafts 201 are respectively inserted into a set of rotating holes 102, and the rotating shafts 201 are rotatably connected to the rotating holes 102; the support plate 202 and the clamping base 204 fit into the storage groove 103; a set of first motors 209 are fixedly installed on one side of the tensile testing machine 101, and the output ends of the set of first motors 209 are respectively fixedly connected to one end of a set of rotating shafts 201; a set of clamping bases 204 are each fixedly installed with a second motor 210, and the output ends of the set of second motors 210 are respectively fixedly connected to one end of a set of screws 207.

[0025] The effect achieved by the whole embodiment 2 is that a group of rotating holes 102 are opened in the inside of the tension testing machine 101, the rotating shafts 201 are rotatably connected in the inside of the group of rotating holes 102, a group of first motors 209 are fixedly installed on one side of the tension testing machine 101, the output ends of the group of first motors 209 are fixedly connected with one end of the group of rotating shafts 201 respectively, the rotating shafts 201 are driven to rotate by the first motors 209, the outer wall of the rotating shafts 201 is fixedly installed with the support plates 202 which are vertically arranged with the tension testing machine 101, so that the tension detection is facilitated, a group of storage grooves 103 are opened in the bottom of the tension testing machine 101, a group of fixed binding belts 104 are fixedly installed on the two sides of the tension testing machine 101, the sticky hairs 105 are fixedly installed on one side of the group of fixed binding belts 104, the sticky plates 106 are fixedly installed on the other side of the group of fixed binding belts 104, the sticky hairs 105 and the sticky plates 106 are fixedly connected, when the device is not used, the fixing mechanism 2 is arranged in the inside of the storage groove 103 and is fixed by the sticky hairs 105 and the sticky plates 106, when the device is used, the rotating shafts 201 are taken out from the inside of the storage groove 103 by the first motors 209, so that the tension of the prestressed steel strand is measured, the cushion blocks 107 and the suction cups 108 are fixedly installed on the bottom of the tension testing machine 101, when the device is used to measure the prestressed steel strand, stable support is provided.

[0026] Working principle: when the device is used, firstly, a group of rotating holes 102 are opened in the inside of the tension machine 101, the rotating shafts 201 are rotatably connected in the inside of the rotating holes 102, a group of first motors 209 are fixedly installed on one side of the tension machine 101, the output ends of the first motors 209 are fixedly connected with one end of the rotating shafts 201 respectively, the rotating shafts 201 are driven to rotate by the first motors 209, the outer wall fixedly installed with the supporting plates 202 of the rotating shafts 201 is vertically arranged with the tension machine 101, so that the tension detection is facilitated, a group of storage grooves 103 are opened in the bottom of the tension machine 101, a group of fixed binding belts 104 are fixedly installed on the two sides of the tension machine 101, the sticky hairs 105 are fixedly installed on one side of the fixed binding belts 104, the sticky plates 106 are fixedly installed on the other side of the fixed binding belts 104, the sticky hairs 105 and the sticky plates 106 are fixedly connected, when the device is not used, the fixing mechanism 2 is arranged in the inside of the storage groove 103 and is fixed by the sticky hairs 105 and the sticky plates 106, when the device is used, the rotating shafts 201 are taken out from the inside of the storage groove 103 by the first motors 209, so that the tension of the prestressed steel strand is measured, the pad 107 and the suction cup 108 are fixedly installed in the bottom of the tension machine 101, so that stable support is provided when the device is used to measure the prestressed steel strand; secondly, the telescopic rods 203 are fixedly installed on one side of the supporting plates 202, the clamping bases 204 are fixedly installed on the other side of the supporting plates 202 and the telescopic ends of the telescopic rods 203, the sliding grooves 205 are opened in the inside of the two clamping bases 204, a group of sliding blocks 206 are slidably connected in the inside of the two sliding grooves 205, the screw rods 207 are respectively inserted in the inside of the two groups of sliding blocks 206, the clamping blocks 208 are fixedly installed on the one side of the two groups of sliding blocks 206, each group of clamping blocks 208 is oppositely arranged, the prestressed steel strand is arranged between the two groups of clamping blocks 208, the screw rods 207 are threadedly connected with the sliding blocks 206 by the second motor 210, so that the two groups of sliding blocks 206 are close to each other, the one end of the prestressed steel strand is fixed by the clamping blocks 208, the length of the telescopic rod 203 is adjusted, the other end of the prestressed steel strand is clamped by the other two clamping blocks 208, the length of the prestressed steel strand is clamped by the two groups of clamping blocks 208, the telescopic rod 203 is retracted, the tension of the steel strand is detected, the display of the tension machine 101 displays the test value, so that the tension detection of the prestressed steel strand is completed.

[0027] The wiring diagram of the tension machine 101, the telescopic rod 203, the first motor 209 and the second motor 210 in the utility model belongs to the public knowledge in the field, and the working principle is a known technology, and the model is selected according to actual use, so the control mode and wiring arrangement of the tension machine 101, the telescopic rod 203, the first motor 209 and the second motor 210 are not explained in detail.

[0028] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. A device for testing the tension force of prestressed steel strands, characterized in that, include: The main body mechanism (1) and the fixing mechanism (2); The fixing mechanism (2) includes a set of rotating shafts (201). Support plates (202) are fixedly installed on the outer walls of the set of rotating shafts (201). A telescopic rod (203) is fixed on one side of one support plate (202). A clamping base (204) is fixedly installed on the telescopic ends of the other support plate (202) and the telescopic rod (203). A sliding groove (205) is opened inside the two clamping bases (204). A set of sliders (206) is slidably connected inside the two sliding grooves (205). A screw (207) is inserted through the inside of the two sets of sliders (206). The screw (207) is threadedly connected to the slider (206). A clamping block (208) is fixedly installed on one side of the two sets of sliders (206). Each set of clamping blocks (208) is arranged opposite to each other.

2. The prestressed steel strand tension testing device according to claim 1, characterized in that: The main body mechanism (1) includes a tensile testing machine (101), a set of rotating holes (102) are opened inside the tensile testing machine (101), and a set of storage slots (103) are opened at the bottom of the tensile testing machine (101).

3. The prestressed steel strand tension testing device according to claim 2, characterized in that: A set of fixing straps (104) is fixedly installed on both sides of the tensile testing machine (101). Adhesive fibers (105) are fixedly installed on one side of one set of fixing straps (104), and adhesive plates (106) are fixedly installed on one side of the other set of fixing straps (104). The adhesive fibers (105) and adhesive plates (106) are bonded together.

4. The prestressed steel strand tension testing device according to claim 2, characterized in that: The bottom of the tensile testing machine (101) is fixedly installed with a pad (107) and a suction cup (108), and the top of the tensile testing machine (101) is fixedly installed with a pull ring (109).

5. The prestressed steel strand tension testing device according to claim 2, characterized in that: A set of rotating shafts (201) are respectively inserted into a set of rotating holes (102). The rotating shafts (201) are rotatably connected to the rotating holes (102). The support plate (202) and the clamping base (204) fit into the storage groove (103).

6. The prestressed steel strand tension testing device according to claim 2, characterized in that: A set of first motors (209) is fixedly installed on one side of the tensile testing machine (101), and the output ends of the set of first motors (209) are respectively fixedly connected to one end of a set of rotating shafts (201).

7. The prestressed steel strand tension testing device according to claim 1, characterized in that: A second motor (210) is fixedly installed at one end of each of the clamping bases (204), and the output ends of the second motors (210) are respectively fixedly connected to one end of a set of screws (207).

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