CN212598500U - Reinforcing bar positive and negative bending apparatus and testing machine - Google Patents
Reinforcing bar positive and negative bending apparatus and testing machine Download PDFInfo
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- CN212598500U CN212598500U CN202020858309.5U CN202020858309U CN212598500U CN 212598500 U CN212598500 U CN 212598500U CN 202020858309 U CN202020858309 U CN 202020858309U CN 212598500 U CN212598500 U CN 212598500U
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Abstract
The utility model discloses a positive and negative bending apparatus of reinforcing bar and testing machine, wherein the positive and negative bending apparatus of reinforcing bar includes: the steel bar supporting unit comprises a first supporting seat and a second supporting seat which are arranged at intervals and used for placing steel bars to be tested; the span adjusting unit comprises a first span adjusting seat and a second span adjusting seat, the distance between the first span adjusting seat and the second span adjusting seat is adjustable, the first supporting seat is installed on the first span adjusting seat, and the second supporting seat is installed on the second span adjusting seat; the ballast unit, the ballast unit is equipped with two and is located respectively the axial both sides of examination reinforcing bar for apply the ballast to the periphery of examination reinforcing bar, the ballast unit includes pressure head, pneumatic cylinder and ballast support, the pneumatic cylinder install in the ballast support, the pressure head install in the output of the piston rod of pneumatic cylinder.
Description
Technical Field
The utility model relates to a test equipment especially relates to a positive and negative bending apparatus of reinforcing bar and testing machine.
Background
In order to meet the requirement of the No. 2 steel for GB1499.2-2018 reinforced concrete: the requirements of relevant standards such as hot-rolled ribbed steel bars and the like require that the steel bars are subjected to technical bending test, the conventional test device is general equipment, the conventional test device is not specially designed for forward and reverse bending of the steel bars, the clamping is inconvenient, and the test efficiency is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned not enough of prior art, provide a positive and negative bending apparatus of reinforcing bar and testing machine.
For solving the technical problem, the utility model discloses the technical scheme who adopts as follows:
a positive and negative bending device for reinforcing steel bars is used for the technical bending test of the reinforcing steel bars and comprises:
the steel bar supporting unit comprises a first supporting seat and a second supporting seat which are arranged at intervals and used for placing steel bars to be tested; the span adjusting unit comprises a first span adjusting seat and a second span adjusting seat, the distance between the first span adjusting seat and the second span adjusting seat is adjustable, the first supporting seat is installed on the first span adjusting seat, and the second supporting seat is installed on the second span adjusting seat; the ballast unit, the ballast unit is equipped with two and is located respectively the axial both sides of examination reinforcing bar for apply the ballast to the periphery of examination reinforcing bar, the ballast unit includes pressure head, pneumatic cylinder and ballast support, the pneumatic cylinder install in the ballast support, the pressure head install in the output of the piston rod of pneumatic cylinder.
Preferably, the reinforcing bar supporting unit still includes the bottom plate, span adjusting unit still includes adjusts lead screw, adjusting nut and lead screw support, the lead screw support set up in the back of bottom plate, adjust the lead screw pin joint in the lead screw support, the bottom plate is equipped with the spout that runs through, the width that seat/second span were adjusted to first span with the width of spout matches, adjusting nut is equipped with two install respectively in seat/second span are adjusted to first span, adjust the lead screw and order about seat/second span are adjusted to first span based on spout rectilinear movement, the one end of adjusting the lead screw still is equipped with the adjusting hand wheel.
Preferably, the first supporting seat/the second supporting seat is provided with a supporting pivot connection column, the first span adjusting seat/the second span adjusting seat is provided with a supporting pivot connection hole matched with the supporting pivot connection column, and the first supporting seat is vertically pivoted to the first span adjusting seat and the second supporting seat is vertically pivoted to the second span adjusting seat through matching the supporting pivot connection column and the supporting pivot connection hole.
Preferably, the first supporting seat/the second supporting seat is provided with a steel bar groove, and the width of the steel bar groove is matched with a steel bar to be tested.
Preferably, a steel bar baffle is arranged at the opening of the steel bar groove.
Preferably, the adjusting screw rod comprises a first thread area and a second thread area which are opposite in spiral direction, so that when the adjusting screw rod rotates, the first span adjusting seat and the second span adjusting seat are driven to approach or separate from each other.
Preferably, the pressure head is provided with a guide block, and the bottom plate is provided with a guide groove matched with the guide block.
Preferably, the chute includes a block that is removably mounted to the base plate.
The utility model provides a positive and negative bending test machine of reinforcing bar, aforementioned positive and negative bending apparatus of reinforcing bar still includes the frame.
The beneficial effects of the utility model are that, a positive and negative bending apparatus of reinforcing bar is provided, include: the steel bar supporting unit comprises a first supporting seat and a second supporting seat which are arranged at intervals and used for placing steel bars to be tested; the span adjusting unit comprises a first span adjusting seat and a second span adjusting seat, the distance between the first span adjusting seat and the second span adjusting seat is adjustable, the first supporting seat is installed on the first span adjusting seat, and the second supporting seat is installed on the second span adjusting seat; the ballast unit, the ballast unit is equipped with two and is located respectively the axial both sides of examination reinforcing bar for apply the ballast to the periphery of examination reinforcing bar, the ballast unit includes pressure head, pneumatic cylinder and ballast support, the pneumatic cylinder install in the ballast support, the pressure head install in the output of the piston rod of pneumatic cylinder. The steel bar positive and negative bending device has the advantages of convenience in clamping of steel bars to be tested and high testing efficiency.
Drawings
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the whole structure of embodiment 1 of the present invention after hiding some parts.
Fig. 3 is the utility model discloses embodiment 1 steel bar support unit and span regulating unit assembly sketch map.
Fig. 4 is a schematic cross-sectional view perpendicular to the direction of movement of the ram at the position of the ram in fig. 2.
Fig. 5 is a schematic cross-sectional view of the first support seat of fig. 2, which is perpendicular to the extending direction of the reinforcing bars to be tested.
Description of the reference numerals
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through the communication between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 5, a device for bending a reinforcing bar in a forward and reverse direction includes:
the reinforcing steel bar supporting unit comprises a first supporting seat 101 and a second supporting seat 102 which are arranged at intervals and used for placing a reinforcing steel bar 122 to be tested; the span adjusting unit comprises a first span adjusting seat 103 and a second span adjusting seat 104, the distance between the first span adjusting seat 103 and the second span adjusting seat 104 is adjustable, the first supporting seat 101 is mounted on the first span adjusting seat 103, and the second supporting seat 102 is mounted on the second span adjusting seat 104; the ballast unit is provided with two ballast units which are respectively positioned at two axial sides of the steel bar 122 to be tested and used for applying ballast to the periphery of the steel bar 122 to be tested, the ballast unit comprises a pressure head 105, a hydraulic cylinder 106 and a ballast support 107, the hydraulic cylinder 106 is installed on the ballast support 107, and the pressure head 105 is installed at the output end of a piston rod 108 of the hydraulic cylinder 106.
In this embodiment, the reinforcing bar supporting unit further includes a bottom plate 109, the span adjusting unit further includes an adjusting screw 110, an adjusting nut 111 and a screw support 112, the screw support 112 is disposed on the back of the bottom plate 109, the adjusting screw 110 is pivotally connected to the screw support 112, the bottom plate 109 is provided with a through chute 113, the width of the first span adjusting seat 103/the second span adjusting seat 104 is matched with the width of the chute 113, the adjusting nut 111 is provided with two grooves respectively installed on the first span adjusting seat 103/the second span adjusting seat 104, the adjusting screw 110 drives the first span adjusting seat 103/the second span adjusting seat 104 to move linearly based on the chute 113, and an adjusting handwheel 124 is further disposed at one end of the adjusting screw 110.
In this embodiment, the first supporting seat 101/the second supporting seat 102 are provided with a supporting pivot post 114, the first span adjusting seat 103/the second span adjusting seat 104 are provided with a supporting pivot hole 115 matched with the supporting pivot post 114, and by matching the supporting pivot post 114 and the supporting pivot hole 115, the first supporting seat 101 is vertically pivoted to the first span adjusting seat 103, and the second supporting seat 102 is vertically pivoted to the second span adjusting seat 104; the purpose of the above structure is that in the bending process of the steel bar, the first supporting seat 101 vertically deflects by an angle based on the first span adjusting seat 103, and the second supporting seat 102 deflects by a self-adaptive angle based on the second span adjusting seat 104, so as to compensate for an axial installation error of the steel bar 122 to be tested after the first supporting seat 101 and the second supporting seat 102 are assembled.
In this embodiment, the first supporting seat 101/the second supporting seat 102 are provided with a steel bar groove 116, and the width of the steel bar groove 116 matches with the steel bar 122 to be tested.
In this embodiment, a reinforcement baffle 117 is disposed at an opening of the reinforcement groove 116, and the reinforcement baffle 117 is disposed to prevent the reinforcement 122 to be tested from coming out of the opening of the reinforcement groove 116 during the bending test.
In this embodiment, the adjusting screw 110 includes a first threaded area 125 and a second threaded area 126 with opposite screw directions, so that when the adjusting screw 110 rotates, the first span adjusting seat 103 and the second span adjusting seat 104 are driven to approach or separate from each other.
In this embodiment, the pressing head 105 is provided with a guide block 118, the bottom plate 109 is provided with a guide groove 119 matched with the guide block 118, the arrangement mode of the guide component saves space, and the structure is simple and the failure rate is low.
In this embodiment, the sliding chute 113 includes a block 121, the block 121 is detachably mounted on the bottom plate 109, and the block 121 is disposed to replace the block 121 instead of replacing the whole bottom plate 109 when the block 121 is worn, which is beneficial to saving cost and maintenance time.
A positive and negative bending test machine for reinforcing steel bars comprises the positive and negative bending device for reinforcing steel bars, and further comprises a rack 120 and a protective cover 123.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like 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 invention. 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 foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement.
Claims (9)
1. A positive and negative bending device of reinforcing steel bars is used for the technical bending test of the reinforcing steel bars and is characterized by comprising:
the steel bar supporting unit comprises a first supporting seat and a second supporting seat which are arranged at intervals and used for placing steel bars to be tested;
the span adjusting unit comprises a first span adjusting seat and a second span adjusting seat, the distance between the first span adjusting seat and the second span adjusting seat is adjustable, the first supporting seat is installed on the first span adjusting seat, and the second supporting seat is installed on the second span adjusting seat;
the ballast unit, the ballast unit is equipped with two and is located respectively the axial both sides of examination reinforcing bar for apply the ballast to the periphery of examination reinforcing bar, the ballast unit includes pressure head, pneumatic cylinder and ballast support, the pneumatic cylinder install in the ballast support, the pressure head install in the output of the piston rod of pneumatic cylinder.
2. The device according to claim 1, wherein the rebar supporting unit further comprises a bottom plate, the span adjusting unit further comprises an adjusting screw, an adjusting nut and a screw support, the screw support is arranged on the back of the bottom plate, the adjusting screw is pivoted to the screw support, the bottom plate is provided with a through chute, the width of the first span adjusting seat/the second span adjusting seat is matched with the width of the chute, the adjusting nut is provided with two adjusting seats which are respectively arranged on the first span adjusting seat/the second span adjusting seat, the adjusting screw drives the first span adjusting seat/the second span adjusting seat to move linearly based on the chute, and an adjusting hand wheel is further arranged at one end of the adjusting screw.
3. The device as claimed in claim 2, wherein the first supporting seat/the second supporting seat is provided with a supporting pivot hole, the first span adjusting seat/the second span adjusting seat is provided with a supporting pivot hole matching with the supporting pivot hole, and the first supporting seat is vertically pivoted to the first span adjusting seat and the second supporting seat is vertically pivoted to the second span adjusting seat by matching the supporting pivot hole and the supporting pivot hole.
4. The device for positive and negative bending of steel bars as claimed in claim 3, wherein the first support seat/the second support seat is provided with a steel bar groove, and the width of the steel bar groove matches with the steel bar to be tested.
5. The device for positive and negative bending of steel bars as claimed in claim 4, wherein the opening of the steel bar groove is provided with a steel bar baffle.
6. The positive and negative bar bending apparatus according to claim 2, wherein the adjusting screw comprises a first threaded section and a second threaded section with opposite screw directions, such that the first span adjusting seat and the second span adjusting seat are driven to approach or separate from each other when the adjusting screw is rotated.
7. The device for positive and negative bending of steel bars as claimed in claim 2, wherein the press head is provided with a guide block, and the base plate is provided with a guide groove matching with the guide block.
8. A device according to claim 2, wherein the runner includes a block, the block being removably mounted to the base.
9. A machine for testing positive and negative bending of a reinforcing bar, comprising a device for positive and negative bending of a reinforcing bar according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020858309.5U CN212598500U (en) | 2020-05-20 | 2020-05-20 | Reinforcing bar positive and negative bending apparatus and testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020858309.5U CN212598500U (en) | 2020-05-20 | 2020-05-20 | Reinforcing bar positive and negative bending apparatus and testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212598500U true CN212598500U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020858309.5U Active CN212598500U (en) | 2020-05-20 | 2020-05-20 | Reinforcing bar positive and negative bending apparatus and testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212598500U (en) |
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2020
- 2020-05-20 CN CN202020858309.5U patent/CN212598500U/en active Active
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