CN211824175U - Device for measuring elongation of reinforcing steel bar - Google Patents
Device for measuring elongation of reinforcing steel bar Download PDFInfo
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- CN211824175U CN211824175U CN202020812677.6U CN202020812677U CN211824175U CN 211824175 U CN211824175 U CN 211824175U CN 202020812677 U CN202020812677 U CN 202020812677U CN 211824175 U CN211824175 U CN 211824175U
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- clamping
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- sliding
- reinforcing bar
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- Length-Measuring Instruments Using Mechanical Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a measure reinforcing bar elongation device, including base, setting at the base at base both ends and install the clamping device who is used for fixed reinforcement on the base, the base is rectangle platelike structure, and the base symmetry is installed at the both ends of base, and the upper end mid portion of base is equipped with the mounting groove, and clamping device is fixed to be set up in the mounting groove. The device fixes the steel bars through the clamping seats, improves the stability of folding after the steel bars are broken, and does not cause obvious movement when being touched during the detection of the vernier caliper; the screw rod controls the clamping seat to move, so that the reinforcing steel bar is conveniently pushed to fold; and the vernier caliper is fixed at the upper end of the clamping device, and after the steel bars are fixed, the vernier caliper is descended to measure the steel bars. The device can improve the stability of the measurement after the steel bar is broken, so that the accuracy of the measured data is improved, and the operation is simple and convenient.
Description
Technical Field
The utility model relates to an engineering and building materials detects technical field, specifically is a measure reinforcing bar elongation device.
Background
The elongation after fracture has detection requirements in the mechanical properties of the steel bar. Steel for reinforced concrete the first part: hot-rolled plain round steel bar stipulated in GB 1499.1-2017: the elongation of the HPB300 steel bar after fracture is more than or equal to 25 percent; steel for reinforced concrete second part: hot rolled ribbed bar (crbar) is specified in GB 1499.2-2018: the elongation of HRB400E steel bar after fracture must be greater than or equal to 16%.
In the existing test, a gauge mark is left on the surface of a steel bar, then the steel bar is pulled to break, the steel bar is independently laid on an operation table for splicing, after the splicing is completely observed by eye, the length is measured by touching the gauge mark with a vernier caliper, and finally the elongation is calculated. The reinforcing bar is mostly the cylinder, because two ports after the reinforcing bar broke are uneven, if the reinforcing bar is not bound when splicing, when using slide caliper to touch and measure the elongation, will lead to the reinforcing bar to roll the unstability easily to the concatenation is not tight, influences the accuracy of measured data.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a measure reinforcing bar elongation device to solve the problem that proposes in the above-mentioned background art.
The utility model provides a technical problem adopt following technical scheme to realize: a device for measuring the elongation of a steel bar comprises a base, bases arranged at two ends of the base and a clamping device arranged on the bases and used for fixing the steel bar, wherein the base is of a rectangular plate-shaped structure, the bases are symmetrically arranged at two ends of the base, the middle part of the upper end of the base is provided with a mounting groove, and the clamping device is fixedly arranged in the mounting groove;
the clamping device comprises a guide plate and a rotating seat which are arranged in the mounting groove, a clamping seat which is arranged on the guide plate and is in sliding connection with the guide plate, and a screw rod which is in threaded connection with the clamping seat, wherein two ends of the screw rod are respectively in rotating connection with the rotating seat, the screw rod penetrates through a screw hole corresponding to the lower end of the clamping seat and is in threaded connection with the clamping seat, a handle is arranged at the outer end of the rotating seat, which is positioned at one end of the base, of the screw rod;
the clamping seat is provided with two groups of clamping seats which are symmetrically arranged on the guide plate, each clamping seat comprises a sliding seat in threaded connection with the screw, a positioning seat arranged on the sliding seat and a clamping assembly arranged on one side of the positioning seat for fixing the steel bars, and a V-shaped groove is formed in the middle of the positioning seat and used for placing the steel bars.
As a further aspect of the present invention: the upper end of the rotating seat is vertically provided with a guide rod, the guide rod is connected with a scale assembly in a sliding manner, the scale assembly comprises a mark post which is arranged on the guide rod in a sliding manner and a vernier caliper which is arranged on the mark post, two ends of the mark post are sleeved on the guide rod in a sliding manner, and the outer end of the mark post, which is sleeved on the guide rod, is provided with a screwing bolt for fixing; the back of the vernier caliper is provided with a lantern ring, and the vernier caliper is connected on the marker post in a sliding mode through the lantern ring.
As a further aspect of the present invention: the guide plates are of a double-group parallel structure, the guide plates are transversely arranged at two ends of the mounting groove, the mounting groove is located between the guide plates on two sides, the rotating seat is mounted between the guide plates on two sides, and the guide plates and the rotating seat are fixedly mounted in the mounting groove of the base through screws.
As a further aspect of the present invention: the upper end position of baffle slides and is equipped with the storage plate, be equipped with the V type groove that the corresponding reinforcing bar was deposited on the storage plate.
As a further aspect of the present invention: the screw rod is provided with a first thread body and a second thread body, the first thread body and the second thread body are symmetrically arranged around the middle of the screw rod, and the first thread body and the second thread body are respectively in threaded connection with the positioning seat.
As a further aspect of the present invention: the sliding seat is characterized in that sliding grooves are formed in the two ends of the sliding seat corresponding to the guide plates, and the sliding seat is clamped on the guide plates through the sliding grooves in a sliding connection mode.
As a further aspect of the present invention: the clamping assembly comprises a clamping rod arranged at the side end of the positioning seat, a sleeve sleeved on the clamping rod, and a pressing plate connected to one side of the sleeve, wherein an external thread is arranged at the upper end part of the clamping rod, and the clamping rod is connected with a screwing nut at the threaded part.
As a further aspect of the present invention: the lower end of the pressing plate is provided with an arc-shaped groove corresponding to the reinforcing steel bar.
Compared with the prior art, the beneficial effects of the utility model are that: the device fixes the steel bars through the clamping seats, improves the stability of folding after the steel bars are broken, and does not cause obvious movement when being touched during the detection of the vernier caliper; the screw rod controls the clamping seat to move, so that the reinforcing steel bar is conveniently pushed to fold; and the vernier caliper is fixed at the upper end of the clamping device, and after the steel bars are fixed, the vernier caliper is descended to measure the steel bars. The device can improve the stability of the measurement after the steel bar is broken, so that the accuracy of the measured data is improved, and the operation is simple and convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic view of the screw mounting structure of the present invention;
FIG. 4 is a schematic side view of the holder of the present invention;
fig. 5 is a schematic side view of the vernier caliper of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the specific drawings.
As shown in FIGS. 1-5,
the embodiment provides a device for measuring the elongation of a steel bar, which comprises a base 1, bases 2 arranged at two ends of the base 1 and clamping devices arranged on the bases 2 and used for fixing the steel bar, wherein the base 1 is of a rectangular plate-shaped structure, the bases 2 are symmetrically arranged at two ends of the base 1, the middle part of the upper end of the base 2 is provided with an installation groove, and the clamping devices are fixedly arranged in the installation groove; the clamping device comprises a guide plate 11 and a rotating seat 12 which are arranged in the mounting groove, a clamping seat 3 which is arranged on the guide plate 11 and is in sliding connection with the clamping seat 3, and a screw 13 which is in threaded connection with the clamping seat 3, wherein two ends of the screw 13 are respectively in rotating connection with the rotating seat 12, the screw 13 penetrates through a screw hole corresponding to the lower end of the clamping seat 3 and is in threaded connection with the clamping seat 3, a handle 14 is arranged at the outer end of the rotating seat 12, which is positioned at one end of the base 2, of the screw 13, and the handle 14 controls the; the clamping seat 3 is provided with two groups and is symmetrically arranged on the guide plate 11, the clamping seat 3 comprises a sliding seat 31 in threaded connection with the screw 13, a positioning seat 32 arranged on the sliding seat 31 and a clamping assembly arranged on one side of the positioning seat 32 for fixing the steel bar 4, and a V-shaped groove is formed in the middle of the positioning seat 32 and used for placing the steel bar 4.
In this embodiment, a guide rod 21 is vertically installed at the upper end of the rotating base 12, a scale assembly is connected to the guide rod 21 in a sliding manner, the scale assembly includes a marker post 22 slidably installed on the guide rod 21 and a vernier caliper 23 arranged on the marker post 22, two ends of the marker post 22 are sleeved on the guide rod 21 in a sliding manner, a fastening bolt 24 for fixing is arranged at the outer end of the marker post 22 sleeved on the guide rod 21, and therefore the lifting height of the marker post 22 is limited; the back of the vernier caliper 23 is provided with a lantern ring 25, and the vernier caliper 23 is connected on the marker post 22 in a sliding mode through the lantern ring 25. Concretely, reinforcing bar 4 fixes on holder 3 after, and sighting rod 22 descends to suitable position, adjusts slide caliper 23 and surveys reinforcing bar 4, is favorable to improving measurement accuracy, and its direction of slide caliper 23 fixed back and the relative level of reinforcing bar lead to detecting data inaccurate by angular deviation when avoiding personnel to detect.
In this embodiment, the guide plates 11 are of a double-group parallel structure, the guide plates 11 are transversely installed at two ends of the installation groove, the installation groove is located between the guide plates 11 at two sides and is provided with the rotating seat 12, and the guide plates 11 and the rotating seat 12 are fixedly installed in the installation groove of the base 2 through screws. The upper end position of baffle slides and is equipped with deposits board 33, deposits between board 33 is located 11 two sets of sliding seats 31 of baffle, deposits board 33 and is convenient for remove the fracture department of reinforcing bar, be equipped with the V type groove that corresponds reinforcing bar 4 and deposit on the board 33 of depositing. The screw 13 is provided with a first thread body 15 and a second thread body 16, the first thread body 15 and the second thread body 16 are symmetrically arranged around the middle of the screw 13, the first thread body 15 and the second thread body 16 are respectively in threaded connection with the positioning seat 32, and when the screw 13 rotates, the synchronous movement of the clamping seats 3 in the opposite direction or the opposite direction is controlled. The sliding seat 31 has sliding grooves 34 at two ends corresponding to the guide plate 11, and the sliding seat 31 is clamped on the guide plate 11 through the sliding grooves 34 and is connected with the guide plate 11 in a sliding manner.
In this embodiment, the clamping assembly includes a clamping rod 35 disposed at a side end of the positioning seat 32, a sleeve 36 sleeved on the clamping rod 35, and a pressing plate 37 connected to one side of the sleeve 36, wherein an external thread is disposed at an upper end portion of the clamping rod 35, and a screwing nut 38 is connected to a portion of the clamping rod 35 located at the thread. Specifically, the pressing plate 37 is slidably connected to the clamping bar 35 by sleeving the sleeve 36, and the height of the sleeve 36 is limited by screwing the nut 38, so that the pressing plate 37 is pressed against the reinforcing steel bar 4 to be fixed. The lower end of the pressing plate 37 is provided with an arc-shaped groove corresponding to the reinforcing steel bar 4, so that the reinforcing steel bar 4 can be conveniently fixed.
The utility model discloses a theory of operation does: respectively placing the broken steel bars 4 on the clamping seats 3 at the two ends of the screw 13, placing the steel bars 4 into the V-shaped grooves of the positioning seat 32, and limiting the height of the pressing plate 37 by adjusting the screwing nut 38 to clamp the steel bars 4; the rotating handle 14 controls the clamping seats 3 on the screw 13 to move oppositely, and the broken part of the steel bar 4 is folded on the storage plate 33; after the marker post 22 is lowered to a proper position, the vernier caliper 23 is moved to measure the elongation of the steel bar 4 after breaking.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a measure reinforcing bar elongation device, includes the base, sets up the base at base both ends and installs the clamping device who is used for fixed reinforcing bar on the base, its characterized in that: the base is of a rectangular plate-shaped structure, the bases are symmetrically arranged at two ends of the base, the middle part of the upper end of the base is provided with an installation groove, and the clamping device is fixedly arranged in the installation groove;
the clamping device comprises a guide plate and a rotating seat which are arranged in the mounting groove, a clamping seat which is arranged on the guide plate and is in sliding connection with the guide plate, and a screw rod which is in threaded connection with the clamping seat, wherein two ends of the screw rod are respectively in rotating connection with the rotating seat, the screw rod penetrates through a screw hole corresponding to the lower end of the clamping seat and is in threaded connection with the clamping seat, a handle is arranged at the outer end of the rotating seat, which is positioned at one end of the base, of the screw rod;
the clamping seat is provided with two groups of clamping seats which are symmetrically arranged on the guide plate, each clamping seat comprises a sliding seat in threaded connection with the screw, a positioning seat arranged on the sliding seat and a clamping assembly arranged on one side of the positioning seat for fixing the steel bars, and a V-shaped groove is formed in the middle of the positioning seat and used for placing the steel bars.
2. The apparatus for measuring elongation of reinforcing bar according to claim 1, wherein: the upper end of the rotating seat is vertically provided with a guide rod, the guide rod is connected with a scale assembly in a sliding manner, the scale assembly comprises a mark post which is arranged on the guide rod in a sliding manner and a vernier caliper which is arranged on the mark post, two ends of the mark post are sleeved on the guide rod in a sliding manner, and the outer end of the mark post, which is sleeved on the guide rod, is provided with a screwing bolt for fixing; the back of the vernier caliper is provided with a lantern ring, and the vernier caliper is connected on the marker post in a sliding mode through the lantern ring.
3. The apparatus for measuring elongation of reinforcing bar according to claim 1, wherein: the guide plates are of a double-group parallel structure, the guide plates are transversely arranged at two ends of the mounting groove, the mounting groove is located between the guide plates on two sides, the rotating seat is mounted between the guide plates on two sides, and the guide plates and the rotating seat are fixedly mounted in the mounting groove of the base through screws.
4. A device for measuring the elongation of reinforcing bars according to claim 3, characterized in that: the upper end position of baffle slides and is equipped with the storage plate, be equipped with the V type groove that the corresponding reinforcing bar was deposited on the storage plate.
5. The apparatus for measuring elongation of reinforcing bar according to claim 4, wherein: the screw rod is provided with a first thread body and a second thread body, the first thread body and the second thread body are symmetrically arranged around the middle of the screw rod, and the first thread body and the second thread body are respectively in threaded connection with the positioning seat.
6. The apparatus for measuring elongation of reinforcing bar according to claim 5, wherein: the sliding seat is characterized in that sliding grooves are formed in the two ends of the sliding seat corresponding to the guide plates, and the sliding seat is clamped on the guide plates through the sliding grooves in a sliding connection mode.
7. The apparatus for measuring elongation of reinforcing bar according to claim 6, wherein: the clamping assembly comprises a clamping rod arranged at the side end of the positioning seat, a sleeve sleeved on the clamping rod, and a pressing plate connected to one side of the sleeve, wherein an external thread is arranged at the upper end part of the clamping rod, and the clamping rod is connected with a screwing nut at the threaded part.
8. The apparatus for measuring elongation of reinforcing bar according to claim 7, wherein: the lower end of the pressing plate is provided with an arc-shaped groove corresponding to the reinforcing steel bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020812677.6U CN211824175U (en) | 2020-05-15 | 2020-05-15 | Device for measuring elongation of reinforcing steel bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020812677.6U CN211824175U (en) | 2020-05-15 | 2020-05-15 | Device for measuring elongation of reinforcing steel bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211824175U true CN211824175U (en) | 2020-10-30 |
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ID=73022220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020812677.6U Active CN211824175U (en) | 2020-05-15 | 2020-05-15 | Device for measuring elongation of reinforcing steel bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211824175U (en) |
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2020
- 2020-05-15 CN CN202020812677.6U patent/CN211824175U/en active Active
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