CN217638393U - Steel wire tensile test anchor clamps - Google Patents
Steel wire tensile test anchor clamps Download PDFInfo
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- CN217638393U CN217638393U CN202221251017.0U CN202221251017U CN217638393U CN 217638393 U CN217638393 U CN 217638393U CN 202221251017 U CN202221251017 U CN 202221251017U CN 217638393 U CN217638393 U CN 217638393U
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Abstract
The utility model discloses a steel wire tensile test anchor clamps, including upper plate and lower plate, be equipped with fixed last tension wheel on the upper plate, go up the upper eccentric wheel of take-up pulley and rotation, be equipped with fixed lower tension wheel on the lower plate, lower take-up pulley and rotatory lower eccentric wheel, the steel wire twines in proper order at last take-up pulley, go up the tension wheel, lower tension wheel, on the lower take-up pulley, the end of steel wire presss from both sides tightly respectively between lower take-up pulley and lower eccentric wheel and between last take-up pulley and the last eccentric wheel, the tension direction of steel wire both ends head respectively with last eccentric wheel, the tight direction of rotation clamp of lower eccentric wheel is the same. The utility model has the advantages that: the steel wire drives the eccentric wheel to rotate in the direction with small clearance when being tensioned, the steel wire is further clamped, the situation that the steel wire slides in the chuck cannot occur, the steel wire is stably stressed, the tension value cannot be suddenly changed, meanwhile, the clamp cannot damage the tested steel wire, the testing accuracy is high, and the operation is convenient.
Description
Technical Field
The utility model relates to a steel wire test technical field specifically is a steel wire tensile test anchor clamps.
Background
The existing steel wire test comprises a tension test which is realized by a tension machine, and the fixing method of the steel wire and the tension machine is generally a clamping method which directly carries out clamping by increasing external force through a jaw of the test machine.
The mode that the plate was pressed to establish is adopted to current centre gripping method more, and great pretightning force needs to be applyed to the bolt to this kind of structure, and fixed back moreover, the centre gripping clearance between the plate is probably grow even, and when the pulling force that the steel wire received was too big, there is the possibility of slippage between steel wire and the centre gripping plate, influences the stability and the reliability of tensile test. Further, in order to prevent slippage between the wire and the jaw, a tooth shape is provided on the working surface of the jaw, and the wire is damaged when the wire is clamped (particularly, a small-sized wire), which may cause inaccurate test data.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a steel wire tensile test anchor clamps has solved the unstable and problem of damage of current steel wire centre gripping.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides a steel wire tensile test anchor clamps, including relatively fixed upper plate and the lower plate that removes, be equipped with fixed pull-up wheel and last take-up pulley on the upper plate, be equipped with rotatory upper eccentric wheel on the upper plate, be equipped with fixed lower pull-up wheel and lower take-up pulley on the lower plate, be equipped with rotatory lower eccentric wheel on the lower plate, the upper end of steel wire presss from both sides tightly between upper take-up pulley and the upper eccentric wheel, the steel wire twines in proper order on upper take-up pulley, upper pull-up wheel, lower take-up pulley, the lower extreme of steel wire presss from both sides tightly between lower take-up pulley and lower eccentric wheel, the tensile force direction at steel wire both ends is the same with the rotatory tight direction of clamp of upper eccentric wheel, lower eccentric wheel respectively.
Furthermore, the upper tension wheel and the lower tension wheel are positioned on the right side, the upper tension wheel and the lower tension wheel are positioned on the left side, and the upper eccentric wheel and the lower eccentric wheel are positioned on the left side.
Furthermore, the upper end of the steel wire faces downwards, the steel wire bypasses the upper part of the upper tension wheel to enter the left side of the upper tension wheel, the steel wire bypasses the upper tension wheel anticlockwise to vertically downwards enter the left side of the lower tension wheel, the steel wire bypasses the lower tension wheel anticlockwise, the steel wire bypasses the lower part of the lower tension wheel, and the lower end of the steel wire faces upwards.
Furthermore, the upper tension wheel and the lower tension wheel are positioned on the same side of the central line, and the upper tension wheel and the lower tension wheel are positioned on the same vertical line.
Furthermore, the upper tension wheel and the upper eccentric wheel are positioned on the same horizontal line, and the lower tension wheel, the lower tension wheel and the lower eccentric wheel are positioned on the same horizontal line.
Furthermore, the upper base plate is arranged in a vertically symmetrical manner relative to the lower base plate, the upper tension wheel is arranged in a symmetrical manner relative to the lower tension wheel, and the upper eccentric wheel is arranged in a symmetrical manner relative to the lower eccentric wheel.
Furthermore, the circumferential surfaces of the upper tension wheel and the lower tension wheel are provided with grooves.
Furthermore, the circumferential surfaces of the upper tensioning wheel and the lower tensioning wheel are flat surfaces.
Furthermore, handles are arranged on the upper eccentric wheel and the lower eccentric wheel.
Furthermore, the circumferential surfaces of the upper eccentric wheel and the lower eccentric wheel are both provided with tooth profiles.
Furthermore, the upper base plate is fixed on the frame, and the lower base plate is vertically arranged on the frame in a sliding manner.
Furthermore, a vertically arranged screw is arranged on the frame, and a rotary adjusting screw is in threaded fit with the lower bottom plate.
Furthermore, the connecting line of the left side tangents of the grooves on the circumferential surfaces of the upper tension wheel and the lower tension wheel is collinear with the upper tension coupling head and the lower tension coupling head of the tension machine and is also collinear with the rotating screw.
The utility model has the advantages that: the steel wire drives the eccentric wheel to rotate in the direction with small clearance when being tensioned, the steel wire is further clamped, the situation that the steel wire slides in the chuck cannot occur, the steel wire is stably stressed, the tension value cannot be suddenly changed, meanwhile, the clamp cannot damage the tested steel wire, the testing accuracy is high, and the operation is convenient.
The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; in addition, the utility model can be freely combined between the (non-conflict selection) selections and other selections. The skilled person will understand that there are many combinations, which are the technical solutions to be protected by the present invention, and the embodiments are not exhaustive, according to the prior art and the common general knowledge.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 1-upper base plate, 2-lower base plate, 3-upper tension wheel, 4-upper tension wheel, 5-upper eccentric wheel, 6-lower tension wheel, 7-lower tension wheel, 8-lower eccentric wheel, 9-handle, 10-steel wire, 11-frame, 12-screw.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
Referring to fig. 1, a steel wire tension test fixture comprises an upper base plate 1, a lower base plate 2, an upper tension wheel 3, an upper tension wheel 4, an upper eccentric wheel 5, a lower tension wheel 6, a lower tension wheel 7, a lower eccentric wheel 8, a handle 9, a steel wire 10, a frame 11 and a screw 12 which move relatively.
The upper base plate 1 is provided with a fixed upper tension wheel 3 and an upper tension wheel 4 through a fixed pin, the upper base plate 1 is provided with a rotary upper eccentric wheel 5 through a rotating pin, the lower base plate 2 is provided with a fixed lower tension wheel 6 and a lower tension wheel 7 through a fixed pin, and the lower base plate 2 is provided with a rotary lower eccentric wheel 8 through a rotating pin.
The upper tension wheel 3 and the lower tension wheel 6 are positioned on the right side and used for smoothly spreading and vertically tensioning the steel wire 10 and applying stable tension. The upper tensioning wheel 4 and the lower tensioning wheel 7 are located on the left for the transition between the clamping fixation of the steel wire 10 to the tensioning. The upper eccentric 5 and the lower eccentric 8 are located on the left side for locking the ends of the wire 10.
The upper tension wheel 3 and the lower tension wheel 6 are positioned on the same side of the central line, and the upper tension wheel 3 and the lower tension wheel 6 are positioned on the same vertical line, so that the vertical tensioning of the steel wire 10 can be ensured. The upper tension wheel 3, the upper tension wheel 4 and the upper eccentric wheel 5 are positioned on the same horizontal line, and the lower tension wheel 6, the lower tension wheel 7 and the lower eccentric wheel 8 are positioned on the same horizontal line, so that the steel wire 10 can be conveniently fixed and wound.
The upper base plate 1 is vertically and symmetrically arranged relative to the lower base plate 2, the upper tension wheel 3 is vertically and symmetrically arranged relative to the lower tension wheel 6, the upper tension wheel 4 is vertically and symmetrically arranged relative to the lower tension wheel 7, and the upper eccentric wheel 5 is vertically and symmetrically arranged relative to the lower eccentric wheel 8, so that the steel wires 10 after being fixedly wound have a symmetrical foundation, and the same stress and opposite directions of all parts are ensured.
The top end of steel wire 10 is down, the upper end of steel wire 10 presss from both sides tightly between last take-up pulley 4 and last eccentric wheel 5, steel wire 10 bypasses the upper portion of last take-up pulley 4 and gets into the left side of last pulling force wheel 3, vertical downward left side that gets into lower pulling force wheel 6 is walked around to the steel wire 10 anticlockwise, lower pulling force wheel 6 is walked around to steel wire 10, steel wire 10 bypasses the lower part of lower take-up pulley 7, the lower extreme of steel wire 10 presss from both sides tightly between lower take-up pulley 7 and lower eccentric wheel 8, the bottom end of steel wire 10 is up.
The steel wire 10 is symmetrically arranged up and down through the winding structure, and a vertical steel wire section is formed between the upper bottom plate and the lower bottom plate, so that test observation is facilitated. The tension direction of the two end parts of the steel wire 10 is respectively the same as the rotating and clamping direction of the upper eccentric wheel 5 and the lower eccentric wheel 8 (the steel wire is clamped by rotating towards the direction), so that when the steel wire 10 is tensioned, the eccentric wheels are driven to continuously rotate towards the tension direction, the gap between the eccentric wheels and the tension wheel is continuously reduced, and the steel wire is further clamped.
The circumferential surfaces of the upper tension wheel 3 and the lower tension wheel 6 are respectively provided with a groove, so that the steel wire is prevented from slipping off the wheel. The tangential direction of the left side of the groove is coincided with the tension direction of the tension machine, so that the superposition of the tensioned steel wire section and the tension direction of the tension machine is ensured, the steel wire section is only tensioned without other acting force during tensioning, and the tensioning effect is ensured.
The circumferential surfaces of the upper tensioning wheel 4 and the lower tensioning wheel 7 are flat surfaces, and the flat surfaces can reduce the processing amount because the tensioning wheels only perform transition steering action. Handles 9 are arranged on the upper eccentric wheel 5 and the lower eccentric wheel 8, so that the eccentric wheels can be conveniently rotated. The circumferential surfaces of the upper eccentric wheel 5 and the lower eccentric wheel 8 are both provided with tooth profiles, so that the steel wire is better stressed and does not slip when being pressed tightly.
The upper base plate 1 is fixed on the frame 11, and the lower base plate 2 is vertically arranged on the frame 11 in a sliding manner. The frame 11 is provided with a vertically arranged screw 12, and the rotating screw 12 is in threaded fit with the lower bottom plate 2. The screw 12 is driven to rotate by the motor, the screw 12 changes the upper position and the lower position of the lower bottom plate 2, relative movement between the upper bottom plate and the lower bottom plate is achieved, and therefore tension testing of the steel wire is achieved.
The aforesaid the utility model discloses basic embodiment and each further alternative can the independent assortment in order to form a plurality of embodiments, is the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each option can be combined with any other base examples and options at will.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (10)
1. The utility model provides a steel wire tensile test anchor clamps, includes fixed upper plate (1) and lower plate (2) of removal, its characterized in that: the tension device is characterized in that a fixed upper tension wheel (3), an upper tension wheel (4) and a rotating upper eccentric wheel (5) are arranged on the upper base plate (1), a fixed lower tension wheel (6), a lower tension wheel (7) and a rotating lower eccentric wheel (8) are arranged on the lower base plate (2), the upper end of a steel wire (10) is clamped between the upper tension wheel (4) and the upper eccentric wheel (5), the steel wire (10) is sequentially wound on the upper tension wheel (4), the upper tension wheel (3), the lower tension wheel (6) and the lower tension wheel (7), the lower end of the steel wire (10) is clamped between the lower tension wheel (7) and the lower eccentric wheel (8), and the tension directions of two end parts of the steel wire (10) are respectively the same as the rotating clamping directions of the upper eccentric wheel (5) and the lower eccentric wheel (8).
2. The steel wire tension test jig of claim 1, characterized in that: the upper tension wheel (3) and the lower tension wheel (6) are positioned on the right side of the steel wire, the upper tension wheel (4) and the lower tension wheel (7) are positioned on the left side of the steel wire, and the upper eccentric wheel (5) and the lower eccentric wheel (8) are respectively positioned on the left sides of the upper tension wheel (4) and the lower tension wheel (7).
3. The steel wire tensile test fixture of claim 2, characterized in that: the upper end of steel wire (10) down, upper portion that last take-up pulley (4) was walked around in steel wire (10) gets into the left side of pull-up wheel (3), pull-up wheel (3) vertical downward entering lower pull-up wheel (6) are walked around anticlockwise in steel wire (10), pull-down wheel (6) are walked around anticlockwise in steel wire (10), the lower part of lower take-up pulley (7) is walked around in steel wire (10), the lower end of steel wire (10) is up.
4. The steel wire tension test jig of claim 1, characterized in that: the upper tension wheel (3) and the lower tension wheel (6) are positioned on the same side of the central line, and the upper tension wheel (3) and the lower tension wheel (6) are positioned on the same vertical line; the upper tension wheel (3), the upper tension wheel (4) and the upper eccentric wheel (5) are positioned on the same horizontal line, and the lower tension wheel (6), the lower tension wheel (7) and the lower eccentric wheel (8) are positioned on the same horizontal line.
5. The steel wire tensile test jig of claim 1 or 4, wherein: the upper base plate (1) is arranged vertically and symmetrically relative to the lower base plate (2), the upper tension wheel (3) is arranged vertically and relatively to the lower tension wheel (6), the upper tension wheel (4) is arranged relatively to the lower tension wheel (7), and the upper eccentric wheel (5) is arranged relatively to the lower eccentric wheel (8).
6. The steel wire tension test jig of claim 1, characterized in that: grooves are formed in the circumferential surfaces of the upper tension wheel (3) and the lower tension wheel (6); the circumferential surfaces of the upper tensioning wheel (4) and the lower tensioning wheel (7) are flat surfaces.
7. The steel wire tension test jig of claim 1, characterized in that: handles (9) are arranged on the upper eccentric wheel (5) and the lower eccentric wheel (8); the circumferential surfaces of the upper eccentric wheel (5) and the lower eccentric wheel (8) are both provided with tooth profiles.
8. The wire tension test jig according to claim 1 or 6, characterized in that: the upper base plate (1) is fixed on the frame (11), and the lower base plate (2) is vertically arranged on the frame (11) in a sliding manner.
9. The wire tension test jig of claim 8, wherein: the frame (11) is provided with a vertically arranged screw rod (12), and the rotating screw rod (12) is in threaded fit with the lower bottom plate (2).
10. The steel wire tensile test fixture of claim 6, wherein: the connecting line of the left side tangents of the grooves on the circumferential surfaces of the upper tension wheel (3) and the lower tension wheel (6) is collinear with the upper tension coupling head and the lower tension coupling head of the tension machine and is also collinear with the rotating screw (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221251017.0U CN217638393U (en) | 2022-05-20 | 2022-05-20 | Steel wire tensile test anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221251017.0U CN217638393U (en) | 2022-05-20 | 2022-05-20 | Steel wire tensile test anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217638393U true CN217638393U (en) | 2022-10-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221251017.0U Active CN217638393U (en) | 2022-05-20 | 2022-05-20 | Steel wire tensile test anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217638393U (en) |
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2022
- 2022-05-20 CN CN202221251017.0U patent/CN217638393U/en active Active
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