CN216284668U - Detection device for tensile property of mechanical connection joint of steel bar - Google Patents
Detection device for tensile property of mechanical connection joint of steel bar Download PDFInfo
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- CN216284668U CN216284668U CN202122858890.8U CN202122858890U CN216284668U CN 216284668 U CN216284668 U CN 216284668U CN 202122858890 U CN202122858890 U CN 202122858890U CN 216284668 U CN216284668 U CN 216284668U
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Abstract
The utility model discloses a tensile property detection device for a mechanical connection joint of a reinforcing steel bar, which comprises a base, wherein a machine case is riveted on the left side of the top end of the base, a fixed rod is fixedly arranged between two groups of supporting seats, a servo motor is riveted inside the machine case, the upper ends of two groups of clamping seats are respectively provided with a placing groove, screw rods are respectively placed in the two groups of placing grooves, reinforcing steel bar bodies are respectively welded at the other ends of the two groups of screw rods, the other ends of the two groups of reinforcing steel bar bodies are fixedly connected through a sleeve body, a first limiting mechanism is sleeved on the side wall of each screw rod and positioned on the outer side of the clamping seat, a second limiting mechanism is sleeved on the side wall of each screw rod and positioned on the inner side of the clamping seat, each first limiting mechanism comprises a limiting seat, a rotating handle and a limiting rod, the limiting seats are sleeved with the screw rods in a threaded manner, the left end and the right end of the side wall of each limiting seat are respectively welded with the rotating handle, the upper end and the lower end of the side wall of each limiting seat are respectively welded with the rotating handle, the utility model effectively avoids the generation of additional bending moment and improves the detection efficiency.
Description
Technical Field
The utility model relates to the technical field of detection of mechanical connection joints of steel bars, in particular to a device for detecting the tensile property of the mechanical connection joints of the steel bars.
Background
In building structural materials, reinforcing steel bars are an important component, and the applicability and safety of the structure are directly influenced by the performance of the reinforcing steel bars. Therefore, the steel bars need to be subjected to necessary performance tests before being used in engineering construction. Compared with common reinforcing steel bars, the reinforcing steel bars which are mechanically connected through the connecting sleeves need to be tested through a tensile test to determine the mechanical property of the connecting points, so that the accuracy of the tensile test of the mechanical connecting joints of the reinforcing steel bars is very important. The force in one steel bar is transmitted to the other steel bar by the mechanical engagement action of the steel bar and the connecting piece or other intervening materials or the bearing action of the end face of the steel bar, namely the mechanical connection of the steel bars. Mechanical connection of steel bars is a widely used construction technique in the modern building industry. The mechanical connection joint for reinforcing steel bars (called joint for short) is a complete set of connecting pieces for mechanically connecting reinforcing steel bars, and generally comprises reinforcing steel bars, connecting sleeves or other connecting pieces, wherein the range of the joint comprises the connecting sleeves, the connecting pieces and parts, which are obviously deformed, of the reinforcing steel bars outside the connecting sleeves and the connecting pieces due to processing required by connection, such as upsetting, extrusion, rolling, turning and the like.
Traditional tensile properties check out test set is when using, and two sets of reinforcing bars that link together through the sleeve can't keep the same straight line with anchor clamps on the motion, can produce additional moment of flexure, influences tensile test's result, has reduced detection efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a device for detecting the tensile property of a steel bar mechanical connection joint, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a tensile property detection device for a mechanical connection joint of a reinforcing steel bar comprises a base, wherein a case is riveted on the left side of the top end of the base, two groups of supporting seats are fixedly arranged on the right side of the case and positioned at the top end of the base respectively, a fixed rod is fixedly arranged between the two groups of supporting seats, a servo motor is riveted inside the case, the output end of the servo motor is fixedly connected with one end of a speed reducer, the other end of the speed reducer is fixedly connected with one end of a rotating rod, the other end of the rotating rod penetrates through the left supporting seat and is rotatably connected with the right supporting seat, clamping seats are respectively in threaded sleeve connection with the left side and the right side of the outer wall of the rotating rod, the bottom ends of the two groups of clamping seats are respectively in sliding sleeve connection with the fixed rod, placing grooves are respectively arranged at the upper ends of the two groups of clamping seats, screw rods are respectively placed in the two groups of placing grooves, and reinforcing steel bar bodies are respectively welded at the other ends of the two groups of screw rods, two sets of the other end of reinforcing bar body passes through sleeve body fixed connection, the lateral wall of screw rod and the outside screw thread that is located the grip slipper have cup jointed first stop gear, the lateral wall of screw rod and the inboard screw thread that is located the grip slipper have cup jointed second stop gear, first stop gear includes spacing seat, twist grip and gag lever post, spacing seat cup joints with the screw thread, the gag lever post has all been welded at both ends about the lateral wall of spacing seat, twist grip has all been welded at both ends about the lateral wall of spacing seat.
Preferably, the left side and the right side of the outer wall of the rotating rod are provided with threads which are equal in length and opposite in rotating direction.
Preferably, the clamping seat is provided with a through hole matched with the fixing rod and a screw hole matched with the rotating rod.
Preferably, the first limiting mechanism and the second limiting mechanism are consistent in structure, and threads matched with the screw rods are arranged on the inner walls of the limiting seat in the first limiting mechanism and the limiting seat in the second limiting mechanism.
Preferably, the limiting rod is matched with the placing groove.
Preferably, the connecting part of the rotating rod and the two groups of supporting seats is fixedly provided with a bearing.
Compared with the prior art, the utility model has the following beneficial effects: the utility model relates to a device for detecting the tensile property of a mechanical connection joint of reinforcing steel bars, which is used for welding screw rods at one end of two groups of reinforcing steel bar bodies to be detected, connecting the other ends of the two groups of reinforcing steel bar bodies through a sleeve body, sleeving a second limiting mechanism on the screw rods, then placing the two groups of assembled reinforcing steel bar bodies in corresponding placing grooves, sleeving a first limiting mechanism and the corresponding screw rods in a threaded manner, and adjusting the positions of the first limiting mechanism and the second limiting mechanism which are matched with each other, so that limiting rods in the first limiting mechanism and the second limiting mechanism are clamped with the placing grooves, the reinforcing steel bar bodies are prevented from moving on the placing grooves, the stability is improved, and the concrete operation is as follows: handheld turning handle rotates and drives spacing seat and rotates along the screw rod, until gag lever post and standing groove joint, start to drive the dwang through servo motor and rotate, and then two sets of grip slipper keep away from each other, carry out tensile properties's detection to two sets of reinforcing bar bodies until breaking the reinforcing bar body, the stop detection, measure and take notes relevant data can, can ensure that two sets of grip slipper remain stable each other all the time through setting up of dead lever, make the grip slipper, reinforcing bar body and sleeve body remain the motion on same straight line all the time, avoid taking place additional moment of flexure, the detection efficiency is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a side view of the connection between the supporting base and the base according to the present invention;
FIG. 4 is a perspective view of the connection between the clamp seat and the rotating rod according to the present invention.
In the figure: 1. a base; 2. a supporting seat; 201. fixing the rod; 3. a chassis; 301. a servo motor; 302. rotating the rod; 303. a bearing; 4. a clamping seat; 401. a placement groove; 5. a steel bar body; 501. a sleeve body; 6. a first limit mechanism; 601. a limiting seat; 602. a handle; 603. a limiting rod; 7. a second limiting mechanism; 8. a screw.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in FIGS. 1-4, a device for detecting tensile property of a mechanical connector of a steel bar comprises a base 1, a case 3 is riveted on the left side of the top end of the base 1, two groups of supporting seats 2 are respectively and fixedly installed on the right side of the case 3 and positioned on the top end of the base 1, a fixed rod 201 is fixedly installed between the two groups of supporting seats 2, a servo motor 301 is riveted inside the case 3, the output end of the servo motor 301 is fixedly connected with one end of a reducer, the other end of the reducer is fixedly connected with one end of a rotating rod 302, the other end of the rotating rod 302 passes through the left supporting seat 2 and is rotatably connected with the right supporting seat 2, clamping seats 4 are respectively screwed on the left side and the right side of the outer wall of the rotating rod 302, the bottom ends of the two groups of clamping seats 4 are respectively slidably sleeved with the fixed rod 201, both upper ends of the two groups of clamping seats 4 are provided with placing grooves 401, and screws 8 are respectively placed in the two groups of placing grooves 401, reinforcing steel bar body 5 has all been welded to two sets of screw rods 8's the other end, sleeve body 501 fixed connection is passed through to two sets of reinforcing steel bar body 5's the other end, screw rod 8's lateral wall and the outside screw thread that is located holder 4 have cup jointed first stop gear 6, screw rod 8's lateral wall and the inboard screw thread that is located holder 4 have cup jointed second stop gear 7, first stop gear 6 includes spacing seat 601, handle 602 and gag lever post 603, spacing seat 601 cup joints with screw rod 8 screw thread, gag lever post 603 has all been welded at both ends about spacing seat 601's the lateral wall, handle 602 has all been welded at both ends about spacing seat 601's the lateral wall.
Referring to fig. 1, 2 and 4, the left and right sides of the outer wall of the rotating rod 302 are provided with threads with equal length and opposite rotation directions, so that the rotating rod 302 can drive the clamping bases 4 on the left and right sides to move away from each other for detection.
Referring to fig. 2 and 4, the clamping seat 4 is provided with a through hole matching with the fixing rod 201 and a screw hole matching with the rotating rod 302.
Referring to fig. 1, 2 and 3, the first limiting mechanism 6 and the second limiting mechanism 7 have the same structure, and the inner walls of the limiting seat 601 in the first limiting mechanism 6 and the limiting seat 601 in the second limiting mechanism 7 are both provided with threads matched with the screw 8, so that the distance of the limiting seat 601 on the screw 8 can be conveniently adjusted by rotating the handle 602, and the reinforcing steel bar body 5 is fixed on the clamping seat 4 through the limiting rod 603, thereby avoiding the occurrence of movement deviation.
Referring to fig. 3, the limiting rod 603 is matched with the placing groove 401.
Referring to fig. 2, bearings 303 are fixedly installed at the joints of the rotating rod 302 and the two sets of supporting seats 2.
It should be noted that, when in use, the utility model is a device for detecting tensile property of a mechanical connection joint of steel bars, wherein, one ends of two groups of steel bar bodies 5 to be detected are welded with screw rods 8, the other ends of the two groups of steel bar bodies 5 are connected through a sleeve body 501, a second limiting mechanism 7 is firstly sleeved on the screw rods 8, then the two groups of assembled steel bar bodies 5 are placed in corresponding placing grooves 401, a first limiting mechanism 6 is sleeved with the corresponding screw rods 8 through screw threads, and the positions of the first limiting mechanism 6 and the second limiting mechanism 7 which are matched with each other are adjusted, so that limiting rods 603 in the first limiting mechanism 6 and the second limiting mechanism 7 are clamped with the placing grooves 401, thereby preventing the steel bar bodies 5 from moving on the placing grooves 401, and increasing stability, and specifically operating as follows: handheld handle 602 rotates and drives spacing seat 601 and rotates along screw rod 8, until gag lever post 603 and standing groove 401 joint, start driving dwang 302 through servo motor 301 and rotate, and then two sets of grip slipper 4 keep away from each other, carry out tensile properties to two sets of reinforcing bar bodies 5 and detect until when breaking reinforcing bar body 5, the stop detection, measure and take notes relevant data can, setting up through dead lever 201 can ensure that two sets of grip slipper 4 remain stable each other all the time and keep away from, make grip slipper 4, reinforcing bar body 5 and sleeve body 501 remain to move on same straight line all the time, avoid taking place additional moment of flexure, and the detection efficiency is improved.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a reinforcing bar mechanical connection connects tensile properties detection device, includes base (1), its characterized in that: the top left side riveting of base (1) has quick-witted case (3), the right side of quick-witted case (3) and the top that is located base (1) are fixed mounting respectively has two sets of supporting seat (2), two sets of fixed mounting has dead lever (201) between supporting seat (2), the inside riveting of quick-witted case (3) has servo motor (301), the output of servo motor (301) and the one end fixed connection of reduction gear, the other end of reduction gear and the one end fixed connection of dwang (302), the other end of dwang (302) passes left side supporting seat (2) and rotates with right side supporting seat (2) to be connected, the equal screw thread of the outer wall left and right sides of dwang (302) has cup jointed grip slipper (4), the bottom of two sets of grip slipper (4) all cup jointed with dead lever (201) sliding, and open the upper end of two sets of grip slipper (4) and all be equipped with standing groove (401), screw rod (8) have all been placed in standing groove (401), and are two sets of reinforcing bar body (5) have all been welded to the other end of screw rod (8), and are two sets of the other end of reinforcing bar body (5) passes through sleeve body (501) fixed connection, the lateral wall of screw rod (8) and the outside screw thread that is located holder (4) have cup jointed first stop gear (6), the lateral wall of screw rod (8) and the inboard screw thread that is located holder (4) have cup jointed second stop gear (7), first stop gear (6) are including spacing seat (601), handle (602) and gag lever post (603), spacing seat (601) and screw rod (8) screw thread cup joint, gag lever post (603) have all been welded at both ends about the lateral wall of spacing seat (601), handle (602) have all been welded at both ends about the lateral wall of spacing seat (601).
2. The device for detecting the tensile property of the steel bar mechanical connection joint as claimed in claim 1, wherein: the outer wall left and right sides of dwang (302) is equipped with length and equals and revolves to opposite screw thread.
3. The device for detecting the tensile property of the steel bar mechanical connection joint as claimed in claim 1, wherein: and the clamping seat (4) is provided with a through hole matched with the fixing rod (201) and a screw hole matched with the rotating rod (302).
4. The device for detecting the tensile property of the steel bar mechanical connection joint as claimed in claim 1, wherein: the first limiting mechanism (6) is consistent with the second limiting mechanism (7) in structure, and threads matched with the screw rods (8) are arranged on the inner walls of the limiting seat (601) in the first limiting mechanism (6) and the limiting seat (601) in the second limiting mechanism (7).
5. The device for detecting the tensile property of the steel bar mechanical connection joint as claimed in claim 1, wherein: the limiting rod (603) is matched with the placing groove (401).
6. The device for detecting the tensile property of the steel bar mechanical connection joint as claimed in claim 1, wherein: the equal fixed mounting in junction of dwang (302) and two sets of supporting seats (2) has bearing (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122858890.8U CN216284668U (en) | 2021-11-22 | 2021-11-22 | Detection device for tensile property of mechanical connection joint of steel bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122858890.8U CN216284668U (en) | 2021-11-22 | 2021-11-22 | Detection device for tensile property of mechanical connection joint of steel bar |
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| CN216284668U true CN216284668U (en) | 2022-04-12 |
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| CN202122858890.8U Active CN216284668U (en) | 2021-11-22 | 2021-11-22 | Detection device for tensile property of mechanical connection joint of steel bar |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117091955A (en) * | 2023-10-20 | 2023-11-21 | 山东潍科检测服务有限公司 | Bridge tensile property detecting system |
-
2021
- 2021-11-22 CN CN202122858890.8U patent/CN216284668U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117091955A (en) * | 2023-10-20 | 2023-11-21 | 山东潍科检测服务有限公司 | Bridge tensile property detecting system |
| CN117091955B (en) * | 2023-10-20 | 2024-01-02 | 山东潍科检测服务有限公司 | Bridge tensile property detecting system |
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