CN215004079U

CN215004079U - Novel tension and pressure loading device

Info

Publication number: CN215004079U
Application number: CN202121163214.2U
Authority: CN
Inventors: 徐桂旭; 曹巍; 陆保印; 焦利明
Original assignee: China Institute of Radio Wave Propagation CETC 22 Research Institute
Current assignee: China Institute of Radio Wave Propagation CETC 22 Research Institute
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-12-03
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a novel tension and pressure loading device, which comprises two opposite channel steel, wherein the two channel steel are respectively connected and fixed through an upper fixing disc and a lower fixing disc, a square frame is formed by combining the two channel steel, the upper fixing disc and the lower fixing disc, two lead screws are arranged in the square frame along the direction parallel to the channel steel, one ends of the two lead screws are both arranged on the lower fixed disc through bearings, the other ends of the two lead screws penetrate through the upper fixed disc, driven gears are arranged at the end parts of the two lead screws, two nuts are respectively arranged on the two screw rods, a movable disc is fixedly arranged between the two nuts, a driving gear which is simultaneously meshed with the two driven gears is arranged on the upper fixed disc, the driving gear is driven by an adjusting handle to rotate, a bidirectional jack is installed on the lower fixed disc, a sensor is installed on a plunger of the bidirectional jack, and the plunger of the bidirectional jack is controlled by an oil circuit switch on the hand pump to extend out or retract. The utility model discloses a novel draw pressure loading device adopts horizontal structure, has reduced the intensity of labour who detects transport when heavier instrument, improves the operational safety.

Description

Novel tension and pressure loading device

Technical Field

The utility model relates to an oil logging field, specific theory relate to a can carry out pulling force or pressure loaded novel pulling force loading device to instruments such as force cell sensors in this field.

Background

During logging, the stress conditions of an underground instrument, a logging steel cable or a drilling rod are known and mastered in real time, the stress condition is important for safety operation, the force transducer is an important part for displaying the stress condition, and detection is required on the force loading device to ensure the measurement accuracy of the force transducer. For the downhole tool, after the force sensor is installed in the tool, the measurement precision of tension and pressure needs to be checked on the whole tool.

At present, a commonly used force loading device is of a vertical structure, the requirement on the verification of a small force transducer is basically met, but after the force transducer is installed in an instrument, the force loading device can be damaged due to large changes of length and weight, and force loading cannot be realized. When a heavier instrument is detected, the operation labor intensity is high, multiple persons are required for assistance, and certain danger exists; when the loading tension and pressure are changed, the adjustment is very inconvenient; the jack of loading power is located the device top, easily produces and rocks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel pull pressure loading device is provided.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the novel tension and pressure loading device is improved in that: including relative and two channel-section steels of establishing, connect fixedly through upper fixed disk and lower fixed disk between two channel-section steels respectively, by two channel-section steels with last, lower fixed disk combination forms a square frame, set up two lead screws along the direction parallel with the channel-section steel in square frame, the one end of two lead screws is all installed on lower fixed disk through the bearing, the other end is all worn out the upper fixed disk and is installed driven gear at the tip, respectively install a nut on two lead screws, fixed mounting driving disk between two nuts, install the driving gear with two driven gear engaged with simultaneously on the upper fixed disk, this driving gear is rotatory by the adjustment handle drive, install two-way jack under on the fixed disk, install the sensor on the plunger of two-way jack, the plunger of this two-way jack is stretched out or is retracted by the oil circuit on the hand pump on the oil circuit on-off control.

Furthermore, test caps are arranged at two ends of the instrument and placed on the instrument supporting frame, and two ends of the instrument are respectively connected with the movable disc and the sensor through pins.

Furthermore, the number of the instrument supporting frames is more than two.

Furthermore, two ends of the lead screw are respectively connected with the upper fixed disc and the lower fixed disc through a rolling ball bearing and a thrust ball bearing.

Further, the bidirectional jack is fixed on the center of the lower fixing disc through four M16 bolts.

Further, the reading of the sensor is read and displayed by the display box.

The utility model has the advantages that:

the novel tension and pressure loading device disclosed by the utility model adopts a horizontal structure, reduces the labor intensity of carrying when detecting heavier instruments, and improves the operation safety; the detection length can be conveniently adjusted, the position of the movable disc can be quickly adjusted by adjusting the handle and the double screws so as to adapt to different calibration lengths, and instruments smaller than 1.5m can be loaded; the bidirectional jack is adopted, tension loading is realized when the plunger retracts, pressure loading is realized when the plunger extends, loading of bidirectional load is realized, the position of the movable disc does not need to be adjusted when tension-compression checking and conversion are carried out, and operation procedures are reduced. The display box reads and displays the magnitude of the loading force of the sensor.

Drawings

Fig. 1 is a schematic structural view of a novel tension and pressure loading device disclosed in embodiment 1 of the present invention;

fig. 2 is a schematic view of the working principle of the novel tension and pressure loading device disclosed in embodiment 1 of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Embodiment 1, as shown in fig. 1, this embodiment discloses a novel tension and pressure loading device, which is used to detect whether the force output of a load cell and the force output of the loading device are consistent and whether the error meets the use requirement. Comprises two opposite channel steels 1 which are respectively connected and fixed by an upper fixing disc 2 and a lower fixing disc 3, a square frame is formed by combining the two channel steels and the upper and lower fixing discs, two lead screws 4 are arranged in the square frame along the direction parallel to the channel steel, one ends of the two lead screws are both arranged on the lower fixed disc through bearings, the other ends of the two lead screws penetrate through the upper fixed disc, driven gears 5 are arranged at the end parts of the two lead screws, two nuts 6 are respectively arranged on the two screw rods, a movable disc 7 is fixedly arranged between the two nuts, a driving gear which is simultaneously meshed with the two driven gears is arranged on the upper fixed disc, the driving gear is driven by an adjusting handle 8 to rotate, a bidirectional jack 9 is arranged on a lower fixed disc, a sensor 10 is arranged on a plunger of the bidirectional jack, the plunger of the bidirectional jack is controlled by an oil circuit switch on the hand pump 11 to extend or retract. Test caps are arranged at two ends of the instrument 12 and placed on the two instrument supporting frames 13, and two ends of the instrument are respectively connected with the movable disc and the sensor through pins. Two ends of the lead screw are respectively connected with the upper fixed disk and the lower fixed disk through a rolling ball bearing and a thrust ball bearing. The bidirectional jack is fixed on the center of the lower fixed disc through four M16 bolts. The sensor readings are read and displayed by display box 14.

The novel tension and pressure loading device disclosed by the embodiment can be used for verifying various tension and pressure type sensors and related instruments, the length of the verifiable instrument is less than 1.5m, and 10t of tension and pressure can be applied. The device is provided with a force display device, the tension loading value of the equipment is displayed during verification, the corresponding load value can be output after the instrument is loaded, the loading value of the verification device and the output value of the instrument are synchronously recorded through data acquisition, and judgment is made.

The disclosed novel operating principle of pulling pressure loading device of this embodiment is shown in fig. 2, for the check-up needs that adapt to different length instruments, loading device's check-up length can conveniently be adjusted, rotate adjustment handle, it rotates to drive driven gear and two lead screws through the driving gear, thereby nut on the lead screw slides along the lead screw and drives the driving disk and remove, through adjusting the driving disk and the power loading of distance between the lower fixed disk in order to realize the instrument to different length, adopt the double-screw structure can guarantee that loaded stability of load and load pass through the sensor center completely.

Through the oil circuit switch on the hand pump, the extension or the withdrawal of control two-way jack plunger realize the loading of power, and during the plunger withdrawal, loading pulling force, pulling force are used on the driving disk through the instrument, and the driving disk transmits power for the nut, and the nut is with the power effect on the lead screw, finally by lead screw bearing pressure. When the plunger stretches out, loading pressure, pressure pass through the instrument and act on the driving disk, the driving disk transmits power for the nut, the nut is with power effect on the lead screw, finally bears the pulling force by the lead screw. And a sensor is arranged on a plunger of the bidirectional jack, and a display box reads and displays the magnitude of the loading force of the bidirectional jack measured by the sensor.

Claims

1. The utility model provides a novel draw pressure loading device which characterized in that: including relative and two channel-section steels of establishing, connect fixedly through upper fixed disk and lower fixed disk between two channel-section steels respectively, by two channel-section steels with last, lower fixed disk combination forms a square frame, set up two lead screws along the direction parallel with the channel-section steel in square frame, the one end of two lead screws is all installed on lower fixed disk through the bearing, the other end is all worn out the upper fixed disk and is installed driven gear at the tip, respectively install a nut on two lead screws, fixed mounting driving disk between two nuts, install the driving gear with two driven gear engaged with simultaneously on the upper fixed disk, this driving gear is rotatory by the adjustment handle drive, install two-way jack under on the fixed disk, install the sensor on the plunger of two-way jack, the plunger of this two-way jack is stretched out or is retracted by the oil circuit on the hand pump on the oil circuit on-off control.

2. The novel tension and compression loading device as claimed in claim 1, wherein: and test caps are arranged at two ends of the instrument and placed on the instrument supporting frame, and two ends of the instrument are respectively connected with the movable disc and the sensor through pins.

3. The novel tension and compression loading device as claimed in claim 2, wherein: the number of the instrument supporting frames is more than two.

4. The novel tension and compression loading device as claimed in claim 1, wherein: two ends of the lead screw are respectively connected with the upper fixed disk and the lower fixed disk through a rolling ball bearing and a thrust ball bearing.

5. The novel tension and compression loading device as claimed in claim 1, wherein: the bidirectional jack is fixed on the center of the lower fixed disc through four M16 bolts.

6. The novel tension and compression loading device as claimed in claim 1, wherein: the reading of the sensor is read and displayed by the display box.