CN214702581U

CN214702581U - Steel wire tensiometer precision detection device

Info

Publication number: CN214702581U
Application number: CN202120520550.1U
Authority: CN
Inventors: 薛利华; 陆友芳; 方咸新
Original assignee: Giant China Co Ltd
Current assignee: Giant China Co Ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-11-12
Anticipated expiration: 2031-03-12

Abstract

The utility model relates to a steel wire tensiometer precision detection device, including bottom plate, linear mechanism, steel wire fixed establishment, copper head fixed establishment, application of force mechanism and power value sensor, linear mechanism and steel wire fixed establishment are fixed in on the bottom plate, copper head fixed establishment slidable install in on the linear mechanism, application of force mechanism includes fixed block, screw rod and handle, fixed block fixed mounting in on the bottom plate, the screw rod is worn to locate the fixed block, and the one end fixed connection handle of this screw rod, other end fixed connection in power value sensor's one end, power value sensor's other end fixed connection copper head fixed establishment. The utility model discloses a digital display power value converter is at any time surveyed the change of standard force value, rotates the handle pulling spoke that has the screw rod, can carry out accurate control to the power value, even can not change at will through many times of measurement.

Description

Steel wire tensiometer precision detection device

Technical Field

The utility model relates to a steel wire tensiometer, concretely relates to steel wire tensiometer precision detection device.

Background

The steel wire tensiometer is used for detecting the tension of the steel wire, and the accuracy of the steel wire tensiometer is required to be detected in order to ensure the accuracy of the detection result of the steel wire tensiometer. The traditional steel wire tensiometer precision detection is carried out on a material testing machine, due to the structural reason of the equipment, the force value can be ceaselessly reduced and cannot be stabilized during the test, and 30 numerical values of 100N-1500N-100N are required to be tested during the test of each tensiometer, so that the force value can be adjusted ceaselessly to ensure that the round-trip force value is the same, and time and labor are wasted.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a steel wire tensiometer precision detection device, this detection device utilize steel wire fixed establishment and copper head fixed establishment to fix the steel wire, utilize linear mechanism to satisfy the removal of copper head fixed establishment position in the testing process, utilize the handle that has the screw rod to stimulate the steel wire, this detection device simple structure, power value are stable and convenient operation.

The utility model discloses a solve the technical scheme that its technical problem adopted and be:

the utility model provides a steel wire tensiometer precision detection device, includes bottom plate, sharp mechanism, steel wire fixed establishment, copper head fixed establishment, application of force mechanism and power value sensor, sharp mechanism and steel wire fixed establishment are fixed in on the bottom plate, copper head fixed establishment slidable install in on the sharp mechanism, application of force mechanism includes fixed block, screw rod and handle, the fixed block fixed mounting in on the bottom plate, the screw rod is worn to locate the fixed block, and the one end fixed connection handle of this screw rod, other end fixed connection in the one end of power value sensor, the other end fixed connection of power value sensor copper head fixed establishment.

Preferably, steel wire fixed establishment includes steel wire fixing base and steel wire anchor clamps, steel wire anchor clamps detachably install in the steel wire fixing base, steel wire anchor clamps are used for the one end of fixed steel wire, steel wire fixing base and fixed block are located the bottom plate at sharp mechanism's both ends respectively.

Preferably, the steel wire fixture is of a T-shaped structure, and a T-shaped groove matched with the steel wire fixture is formed in the steel wire fixing seat.

Preferably, copper fixed establishment includes copper fixing base and copper anchor clamps, copper anchor clamps detachably install in the copper fixing base, the copper anchor clamps are used for the copper of the fixed steel wire other end.

Preferably, the copper head fixture is of a T-shaped structure, and a T-shaped groove matched with the copper head fixture is formed in the copper head fixing seat.

Preferably, the linear mechanism comprises a limiting block and a linear guide rail, two ends of the linear guide rail are respectively fixed on the limiting block, and the copper head fixing seat is slidably mounted on the linear guide rail through a linear bearing assembly.

Preferably, the bottom plate is provided with two parallel linear mechanisms, and two ends of the copper head fixing seat are respectively installed on a linear guide rail.

The utility model has the advantages that: the utility model discloses a sharp mechanism, steel wire fixed establishment, copper head fixed establishment and application of force mechanism, steel wire fixed establishment is fixed in on the bottom plate, in steel wire one end was fixed in steel wire fixed establishment, the copper head of the other end was fixed in the copper head fixed establishment, the power as application of force mechanism passes through force value sensor and copper head fixing base transmission and gives the steel wire for the steel wire produces tension, and the tension of steel wire shows through steel wire tensiometer, and compares through the standard value of comparing steel wire tensiometer display value and force value sensor, and reachs the precision of steel wire tensiometer. The utility model can accurately control the force value by observing the change of the standard force value at any time through the digital display force value converter and rotating the handle with the screw rod to pull the spoke, and the force value can not be changed at will even after a plurality of measurements, and the same force value can simultaneously carry out the measurement and calibration of a plurality of tensiometers; but also can change steel wire anchor clamps and copper head anchor clamps fast in order to satisfy the switching of the spoke of different models, still can test the intensity of finding such as spoke, wire rod in addition.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the steel wire fixing seat of the present invention;

FIG. 3 is a schematic structural view of the steel wire clamp of the present invention;

FIG. 4 is a schematic structural view of the copper head fixing seat of the present invention;

FIG. 5 is a schematic structural view of the copper head clamp of the present invention;

in the figure: 10-bottom plate, 11-steel wire, 20-linear mechanism, 21-limiting block, 22-linear guide rail, 30-steel wire fixing mechanism, 31-steel wire fixing seat, 32-steel wire clamp, 40-copper head fixing mechanism, 41-copper head fixing seat, 42-copper head clamp, 50-force application mechanism, 51-fixing block, 52-screw rod, 53-handle and 60-force value sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Example (b): as shown in fig. 1 to 5, a precision detection device for a steel wire tensiometer includes a bottom plate 10, a linear mechanism 20, a steel wire fixing mechanism 30, a copper head fixing mechanism 40, a force application mechanism 50, and a force value sensor 60, where the linear mechanism 20 and the steel wire fixing mechanism 30 are fixed on the bottom plate 10, the copper head fixing mechanism 40 is slidably mounted on the linear mechanism 20, the force application mechanism 50 includes a fixing block 51, a screw 52, and a handle 53, the fixing block 51 is fixedly mounted on the bottom plate 10, the screw 52 is inserted into the fixing block 51, one end of the screw is fixedly connected to the handle 53, the other end of the screw is fixedly connected to one end of the force value sensor 60, and the other end of the force value sensor 60 is fixedly connected to the copper head fixing mechanism 40. In this embodiment, the bottom plate 10 is sequentially provided with a steel wire fixing mechanism 30, a straight line mechanism 20 and a force application mechanism 50 from left to right, the copper head fixing mechanism 40 is installed on the straight line mechanism, during testing, one end of a steel wire is fixed on the steel wire fixing mechanism 30, a copper head at the other end of the steel wire is fixed on the copper head fixing mechanism 40, so that the steel wire is in a natural straightening state, a digital force value converter electrically connected with a force value sensor is opened, a handle 53 is rotated, the handle is fed with high precision through a thread of a screw 52, a pulling force value sensor 60 is adjusted to a required standard force value, the steel wire 11 is in a stretching state under the action of a pulling force, a tester holds a steel wire tensiometer to be tested, the state during actual operation is simulated, the head of the steel wire tensiometer is pressed at an uniform speed by being attached to a copper head clamp for locking the copper head, and then test data can be obtained from a steel wire tensiometer, and comparing the data with the standard force value on the force value sensor to obtain the accuracy of the steel wire tensiometer. The utility model discloses detection efficiency is high, and the testing process is simpler, convenient, accurate.

As shown in fig. 2 and 3, the steel wire fixing mechanism 30 includes a steel wire fixing seat 31 and a steel wire clamp 32, the steel wire clamp 32 is detachably installed in the steel wire fixing seat 31, the steel wire clamp 32 is used for fixing one end of the steel wire 11, and the steel wire fixing seat 31 and the fixing block 51 are respectively located on the bottom plates 10 at two ends of the linear mechanism 20. The steel wire fixture 32 is of a T-shaped structure, and a T-shaped groove matched with the steel wire fixture 32 is formed in the steel wire fixing seat 31. The steel wire fixing seat 31 is a square block, a T-shaped groove is formed in one side, facing the copper head fixing mechanism, of the steel wire fixing seat, and the steel wire clamp 32 is placed into the T-shaped groove from the open end of the upper portion, so that the steel wire clamp can be quickly replaced, and the steel wire clamp can be replaced by the steel wire clamp to be suitable for various types of bicycle spokes.

As shown in fig. 4-5, the copper head fixing mechanism 40 includes a copper head fixing seat 41 and a copper head clamp 42, the copper head clamp 42 is detachably installed in the copper head fixing seat 41, and the copper head clamp 42 is used for fixing the copper head at the other end of the steel wire. Copper head anchor clamps 42 are T type structure, be equipped with in the copper head fixing base 41 with copper head anchor clamps 42 assorted T type groove. Copper head fixing base 41 is square, and T type groove is seted up along copper head fixing base towards one side of steel wire fixed establishment, and T type inslot is put into from the open end of top to copper head anchor clamps 42, and the copper head anchor clamps of consequently can the different specifications of quick replacement come the bicycle spoke of compatible various models.

The linear mechanism 20 comprises a limiting block 21 and a linear guide rail 22, two ends of the linear guide rail 22 are respectively fixed on one limiting block 21, and the copper head fixing seat 41 is slidably mounted on the linear guide rail 22 through a linear bearing assembly. The linear bearing assembly includes a ball type linear bearing and a bearing seat, the linear bearing is sleeved on the linear guide rail, the linear bearing is installed in the bearing seat, the bearing seat is installed in the copper head fixing seat 41, the copper head fixing seat 41 runs along the linear guide rail 22 through the linear bearing, and the linear bearing assembly is a common technology in the field and is not further described herein. Two parallel linear mechanisms 20 are arranged on the bottom plate 10, and two ends of the copper head fixing seat 41 are respectively installed on a linear guide rail 22. In the embodiment, the high-precision linear guide rail with the length of 170mm is adopted and is provided with the ball type linear bearing, so that the eccentricity offset can be ensured within 0.03 mm.

The utility model discloses an operation process: during testing, one end of a steel wire is fixed on the steel wire clamp 32, a copper head at the other end of the steel wire is fixed on the copper head clamp 42, the steel wire is in a natural straightening state, a digital force value converter electrically connected with a force value sensor is opened, a handle 53 is rotated and is fed with high precision through threads of a screw 52, a pulling force value sensor 60 is adjusted to a required standard force value, a copper head fixing seat 41 slides along a linear guide rail 22 under the action of the screw to enable the steel wire to be in a stretching state, a tester holds a steel wire tensiometer to be tested to simulate the state during actual operation, the head of the steel wire tensiometer is pressed at a uniform speed by applying force against the copper head clamp for locking the copper head, the method can obtain detection data from the dial indicator of the steel wire tensiometer, and compare the data with the standard force value on the force value sensor to obtain the precision of the steel wire tensiometer, and the precision of the steel wire tensiometer under the condition of a plurality of standard force values can be detected by the method.

It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a steel wire tensiometer precision detection device which characterized in that: including bottom plate (10), sharp mechanism (20), steel wire fixed establishment (30), copper head fixed establishment (40), application of force mechanism (50) and power value sensor (60), sharp mechanism (20) and steel wire fixed establishment (30) are fixed in on bottom plate (10), copper head fixed establishment (40) slidable install in on sharp mechanism (20), application of force mechanism (50) are including fixed block (51), screw rod (52) and handle (53), fixed block (51) fixed mounting in on bottom plate (10), screw rod (52) are worn to locate fixed block (51), and one end fixed connection handle (53) of this screw rod, other end fixed connection in the one end of power value sensor (60), the other end fixed connection of power value sensor (60) copper head fixed establishment (40).

2. The steel wire tensiometer accuracy detecting device according to claim 1, characterized in that: steel wire fixed establishment (30) include steel wire fixing base (31) and steel wire anchor clamps (32), steel wire anchor clamps (32) detachably install in steel wire fixing base (31), steel wire anchor clamps (32) are used for the one end of fixed steel wire (11), steel wire fixing base (31) and fixed block (51) are located bottom plate (10) at the both ends of sharp mechanism (20) respectively.

3. The steel wire tensiometer accuracy detecting device according to claim 2, characterized in that: the steel wire fixture (32) is of a T-shaped structure, and a T-shaped groove matched with the steel wire fixture (32) is formed in the steel wire fixing seat (31).

4. The steel wire tensiometer accuracy detecting device according to claim 1, characterized in that: copper fixed establishment (40) include copper fixing base (41) and copper anchor clamps (42), copper anchor clamps (42) detachably install in copper fixing base (41), copper anchor clamps (42) are used for fixing the copper of the steel wire other end.

5. The steel wire tensiometer accuracy detecting device according to claim 4, characterized in that: copper head anchor clamps (42) are T type structure, be equipped with in copper head fixing base (41) with copper head anchor clamps (42) assorted T type groove.

6. The steel wire tensiometer accuracy detecting device according to claim 4, characterized in that: the linear mechanism (20) comprises a limiting block (21) and a linear guide rail (22), two ends of the linear guide rail (22) are respectively fixed on the limiting block (21), and the copper head fixing seat (41) is slidably mounted on the linear guide rail (22) through a linear bearing assembly.

7. The steel wire tensiometer accuracy detecting device according to claim 6, characterized in that: the bottom plate (10) is provided with two parallel linear mechanisms (20), and two ends of the copper head fixing seat (41) are respectively arranged on a linear guide rail (22).