CN217505473U - Vibration-free servo control steel strand tensile testing machine - Google Patents
Vibration-free servo control steel strand tensile testing machine Download PDFInfo
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- CN217505473U CN217505473U CN202221117327.3U CN202221117327U CN217505473U CN 217505473 U CN217505473 U CN 217505473U CN 202221117327 U CN202221117327 U CN 202221117327U CN 217505473 U CN217505473 U CN 217505473U
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Abstract
The utility model provides a convenient operation and good no vibration servo control steel strand wires tensile test machine of operational environment can test the tensile properties test of steel strand wires. The device comprises a frame body, a clamp body, a driving cylinder and a load sensor; the frame body comprises a base, an upper cross beam, a movable cross beam, a lower cross beam and a guide cross beam, the base is connected with the lower cross beam through a damping spring and a connecting screw rod, the lower cross beam is connected with a guide post, the top end of the guide post is connected with the upper cross beam, the movable cross beam is arranged between the upper cross beam and the lower cross beam and connected with the guide cross beam, and the movable cross beam and the guide cross beam are connected with the guide post; the cylinder body of the driving cylinder is connected to the lower cross beam, the rod end of the driving cylinder is connected with the guide cross beam, and the movable cross beam is driven to slide up and down along the guide post; the clamp body comprises an upper clamp body, an upper clamping cylinder, a lower clamp body and a lower clamping cylinder; and a load sensor is connected between the movable cross beam and the guide cross beam.
Description
Technical Field
The utility model relates to a steel strand wires tensile test machine, concretely relates to no vibration servo control steel strand wires tensile test machine belongs to testing machine technical field.
Background
The galvanized stranded wire is generally used for a carrier cable, a stay wire, a reinforcing core and the like, and can also be used as a ground wire for overhead power transmission, a stopping cable on two sides of a road or a structural cable in a building structure. The common prestressed steel strand in the prestressed steel strand is a low-relaxation prestressed steel strand without a coating, is galvanized and is commonly used for bridges, buildings, water conservancy, energy, geotechnical engineering and the like, and the unbonded prestressed steel strand is commonly used for the tensile test of the steel strand in steel strand production enterprises such as floor slabs, foundation engineering and the like, quality monitoring stations and bridge large-span member production enterprises.
The existing steel strand tensile testing machine is of a vertical structure, the space is divided into an upper part and a lower part, the upper part is a tensile space, and the lower part is a compression space; the device comprises a working rack, a movable cross beam, an upper cross beam, a plunger type cylinder, a lead screw (lead screw transmission device), an upright post, a clamping mechanism, a sensor, a data acquisition control system and the like. When the tensile test of the steel strand is carried out, the operation is very inconvenient because the tensile space is at the upper part and the height is high. And because of the structure reason, at the cracked one moment of steel strand wires, produce huge impact to ground, operating environment is very abominable, has influenced the life of equipment simultaneously. The original equipment structure is also caused, the stretching operation height is very high, the whole height is very high, so that the transportation is inconvenient, and a certain height of a field is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a convenient operation and good no vibration servo control steel strand wires tensile test machine of operational environment can test the tensile properties test of steel strand wires.
The utility model discloses a realize above-mentioned purpose, realize through following technical scheme:
a non-vibration servo control steel strand tensile testing machine comprises a frame body, a clamp body, a driving cylinder and a load sensor;
the frame body comprises a base, an upper cross beam, a movable cross beam, a lower cross beam and a guide cross beam, the base is connected with the lower cross beam, the lower cross beam is connected with a guide post, the top end of the guide post is connected with the upper cross beam, the movable cross beam is arranged between the upper cross beam and the lower cross beam and connected with the guide cross beam, and the movable cross beam and the guide cross beam are both connected with the guide post;
the cylinder body of the driving cylinder is connected to the lower cross beam, the rod end of the driving cylinder is connected with the guide cross beam, and the movable cross beam is driven to slide up and down along the guide post;
the clamp body comprises an upper clamp body, an upper clamping cylinder, a lower clamp body and a lower clamping cylinder, the upper clamp body is connected to the movable cross beam, the lower clamp body is connected to the lower cross beam, the upper clamping cylinder is simultaneously connected to the movable cross beam and the upper clamp body, and the lower clamping cylinder is simultaneously connected to the lower cross beam and the lower clamp body;
and a load sensor is connected between the movable cross beam and the guide cross beam.
The preferable scheme of the vibration-free servo control steel strand tensile testing machine further comprises a damping mechanism connected between the base and the lower cross beam.
The preferable scheme of the vibration-free servo control steel strand tensile testing machine is that an upper clamp body and a lower clamp body are the same in structure and respectively comprise a clamp body, a clamping seat and a jaw, the clamp body is provided with a tapered hole, a guide rail is connected to the inner wall of the tapered hole, the clamping seat is connected in the tapered hole and matched with the guide rail, and the jaw is connected to the clamping seat and provided with an arc-shaped bulge on the cross section.
According to the preferable scheme of the vibration-free servo control steel strand tensile testing machine, the damping mechanism comprises a guide screw and damping springs, the guide screw is connected with the base and the lower beam at the same time, the damping springs are sleeved on the guide screw, two ends of one damping spring are connected with the upper surface of the guide screw and the upper surface of the lower beam at the same time, and two ends of the other damping spring are connected with the upper surface of the base and the lower surface of the lower beam at the same time.
According to the preferable scheme of the vibration-free servo control steel strand tensile testing machine, the upper end and the lower end of the guide column are connected with the upper cross beam and the base into a whole through locking nuts.
The preferable scheme of the vibration-free servo control steel strand tensile testing machine further comprises a protective cover, wherein the protective cover comprises a vertical cover, a lower skirt cover and a dust cover which are sequentially connected from top to bottom.
The utility model has the advantages of:
1. the lower cross beam and the movable cross beam are connected together through two driving cylinders, the driving cylinders push the movable cross beam which clamps the metal sample to move upwards, the tensile test of the steel strand is realized, the tensile space is changed into the lower space, and the operation is convenient.
2. A load sensor is arranged between the movable beam and the driving cylinder and is used for measuring the thrust of the driving cylinder to the movable beam, namely the tensile force of the metal material.
3. And the vibration generated when the steel strand is broken is eliminated through the damping device.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural plan view of an embodiment of the present invention.
Fig. 2 is a schematic perspective view of the embodiment of the present invention.
Fig. 3 is a diagram of a sensor mounting position according to an embodiment of the present invention.
Fig. 4 is a schematic view of a damping mechanism according to an embodiment of the present invention.
Fig. 5 is a schematic view of a clamp body according to an embodiment of the present invention.
Fig. 6 is a top view and an enlarged view of the clamp body according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, a non-vibration servo control steel strand tensile testing machine comprises a frame body, a clamp body, a driving cylinder 2, a load sensor 3 and a damping mechanism;
the frame body comprises a base 1, an upper beam 8, a movable beam 4, a lower beam 11 and a guide beam 12, wherein the base 1 is connected with the lower beam 11, the lower beam 11 is connected with a guide column 6, the top end of the guide column 6 is connected with the upper beam 8, the movable beam 4 is arranged between the upper beam 8 and the lower beam 11, the movable beam 4 is connected with the guide beam 12, and the movable beam 4 and the guide beam 12 are both connected with the guide column 6;
the cylinder body of the driving cylinder 2 is connected to the lower beam 11, the rod end of the driving cylinder 2 is connected with the guide beam 12, and the movable beam 4 is driven by the load sensor 3 to slide up and down along the guide column 6;
the clamp comprises an upper clamp body 10, an upper clamping cylinder 9, a lower clamp body 21 and a lower clamping cylinder 22, wherein the upper clamp body 10 is connected to the movable cross beam 4, the lower clamp body 21 is connected to the lower cross beam 11, the upper clamping cylinder 9 is simultaneously connected to the movable cross beam 4 and the upper clamp body 10, and the lower clamping cylinder 22 is simultaneously connected to the lower cross beam 11 and the lower clamp body 21;
the load sensor 3 is connected between the movable beam 4 and the guide beam 12.
Referring to fig. 1 and 4, the damping mechanism is connected between the base 1 and the lower beam 11, the damping mechanism 5 includes a lead screw 51 and damping springs 52, the lead screw 51 is connected with the base 1 and the lower beam 11 simultaneously, the damping springs 52 are two springs sleeved on the lead screw 51, two ends of one damping spring 52 are connected with the lead screw 51 and the upper surface of the lower beam 11 simultaneously, and two ends of the other damping spring 52 are connected with the upper surface of the base 1 and the lower surface of the lower beam 11 simultaneously.
Referring to fig. 3, 4, 5 and 6, the upper and lower clamp bodies 10 and 21 have the same structure and each include a clamp body 19, a clamping seat 16 and a jaw 17, the clamp body 19 has a tapered hole, the inner wall of the tapered hole is connected to a guide rail 20, the clamping seat 16 is connected to the tapered hole and is matched with the guide rail 20, and the jaw 17 is connected to the clamping seat 16 and has a protrusion with an arc-shaped cross section.
In this embodiment, the upper and lower ends of the guide post 6 are connected with the upper beam 8 and the base 1 into a whole through the lock nut 7.
Referring to fig. 2, it further comprises a protective cover comprising a vertical cover 13, a lower skirt cover 14 and a dust cover 15 which are connected in sequence from top to bottom. Utilize the utility model discloses the testing machine can realize following function:
function 1: tensile test function of steel strand
After a sample is firmly clamped by the lower clamping cylinder 22 of the upper and lower beams 11 of the base 1, the upper clamping cylinder 9, the upper clamp body 10 and the lower clamp body 21 on the movable beam 4, the driving cylinders 2 on two sides are pressurized by a servo hydraulic control system, and a tensile test of the sample is realized. At the moment of fracture, the lower beam 11 will also move downwards due to the reaction force, absorbing energy under the action of the damping spring 52, so that the device does not vibrate.
Function 2: tensile test function for common steel bar
Through changing the jaws with different structures in the clamping device, a sample is firmly clamped by the lower clamping cylinder 22 of the upper and lower beams 11 of the base 1, the upper clamping cylinder 9, the upper clamp body 10 and the lower clamp body 21 on the movable beam 4, and the driving cylinders 2 on two sides are pressurized by the servo hydraulic control system, so that the tensile test of common steel bars is realized.
Function 3: compression test function
The sample is placed between the movable cross beam 4 and the upper cross beam, and the driving cylinders 2 on the two sides are pressurized through a servo hydraulic control system, so that the sample is compressed.
Function 4: bending test function
The bending device is placed between the movable cross beam 4 and the upper cross beam, and the driving cylinders 2 on the two sides are pressurized through the servo hydraulic control system, so that the bending test of the sample is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a no vibration servo control steel strand wires tensile test machine which characterized in that: comprises a frame body, a clamp body, a driving cylinder (2) and a load sensor (3);
the frame body comprises a base (1), an upper cross beam (8), a movable cross beam (4), a lower cross beam (11) and a guide cross beam (12), the base (1) is connected with the lower cross beam (11), the lower cross beam (11) is connected with a guide post (6), the top end of the guide post (6) is connected with the upper cross beam (8), the movable cross beam (4) is arranged between the upper cross beam (8) and the lower cross beam (11), the movable cross beam (4) is connected with the guide cross beam (12), and the movable cross beam (4) and the guide cross beam (12) are both connected with the guide post (6);
the cylinder body of the driving cylinder (2) is connected to the lower cross beam (11), the cylinder rod end of the driving cylinder (2) is connected with the guide cross beam (12), and the movable cross beam (4) is driven to slide up and down along the guide column (6);
the clamp comprises an upper clamp body (10), an upper clamping cylinder (9), a lower clamp body (21) and a lower clamping cylinder (22), wherein the upper clamp body (10) is connected to the movable cross beam (4), the lower clamp body (21) is connected to the lower cross beam (11), the upper clamping cylinder (9) is simultaneously connected to the movable cross beam (4) and the upper clamp body (10), and the lower clamping cylinder (22) is simultaneously connected to the lower cross beam (11) and the lower clamp body (21);
the load sensor (3) is connected between the movable beam (4) and the guide beam (12).
2. The non-vibration servo control steel strand tensile testing machine of claim 1, wherein: the damping device also comprises a damping mechanism connected between the base (1) and the lower cross beam (11).
3. The vibration-free servo control steel strand tensile testing machine according to claim 1, characterized in that: the upper clamp body (10) and the lower clamp body (21) are identical in structure and respectively comprise a clamp body (19), a clamping seat (16) and a jaw (17), the clamp body (19) is provided with a conical hole, the inner wall of the conical hole is connected with a guide rail (20), the clamping seat (16) is connected in the conical hole and matched with the guide rail (20), and the jaw (17) is connected on the clamping seat (16) and is provided with an arc-shaped bulge with a cross section.
4. The non-vibration servo control steel strand tensile testing machine of claim 1, wherein: damper (5) include lead screw (51) and damping spring (52), base (1) and bottom end rail (11) are connected simultaneously to lead screw (51), and damping spring (52) are two of suit in lead screw (51), and lead screw (51) and bottom end rail (11) upper surface are connected simultaneously to one of them damping spring (52) both ends, and base (1) upper surface and bottom end rail (11) lower surface are connected simultaneously to another damping spring (52) both ends.
5. The non-vibration servo control steel strand tensile testing machine of claim 1, wherein: the upper end and the lower end of the guide post (6) are connected with the upper cross beam (8) and the base (1) into a whole through a locking nut (7).
6. The vibration-free servo-controlled steel strand tensile testing machine according to any one of claims 1 to 5, wherein: the protective cover comprises a vertical cover (13), a lower skirt cover (14) and a dust cover (15) which are sequentially connected from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221117327.3U CN217505473U (en) | 2022-05-11 | 2022-05-11 | Vibration-free servo control steel strand tensile testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221117327.3U CN217505473U (en) | 2022-05-11 | 2022-05-11 | Vibration-free servo control steel strand tensile testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217505473U true CN217505473U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221117327.3U Active CN217505473U (en) | 2022-05-11 | 2022-05-11 | Vibration-free servo control steel strand tensile testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217505473U (en) |
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2022
- 2022-05-11 CN CN202221117327.3U patent/CN217505473U/en active Active
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