CN104034477A

CN104034477A - Intelligent piston-type pressure gauge automatic loading structure

Info

Publication number: CN104034477A
Application number: CN201410194884.9A
Authority: CN
Inventors: 王北潜
Original assignee: Hubei Jianghan Petroleum Instrument & Meter Co Ltd
Current assignee: Hubei Jianghan Petroleum Instrument & Meter Co Ltd
Priority date: 2014-05-09
Filing date: 2014-05-09
Publication date: 2014-09-10
Anticipated expiration: 2034-05-09
Also published as: CN104034477B

Abstract

The invention relates to an intelligent piston-type pressure gauge automatic loading structure. A base, a self-rotating piston assembly, an upper bearing beam, two bearing beam connection rods, a lower bearing beam, a thrust bearing, a T-shaped weight supporting rod, at least one cylinder driving-type double-hook weight suspension device, a ring-shaped weight, two fixing board supporting rods, two limiting rollers, two limiting roller supports, a cylinder fixing board, and a solenoid directional valve are connected to form the structure. The intelligent piston-type pressure gauge automatic loading structure has the beneficial effects that the upper bearing beam at the upper end of the piston of the self-rotating piston assembly and the lower bearing beam at the lower end are cable of bearing, the force bearing gravity of the piston is below the piston, force bearing is uniform, sensitivity is high, bearing is accurate, and the problems that the required number of tiny mass weights is large and the mass is small can be solved.

Description

The automatic loading structure of a kind of intelligent piston gage

Technical field

The present invention relates to a kind of intelligent piston gage for pressure detection, be specifically related to the automatic loading structure of a kind of intelligent piston gage.

Background technology

At present, domestic high-precision intelligent type piston manometer generally can only carry out round values pressure calibration, when its counterweight counterweight to making land used acceleration of gravity, atmospheric density, piston deformation, the factors such as temperature are revised, when being used, strange land needs counterweight again, and must under specific temperature environment condition, use, the patent No. is that a kind of automatic pressure gauge calibrating instrument of CN02284501.1 has been realized making land used acceleration of gravity, atmospheric density, piston deformation, the factors such as temperature are revised automatically, but because counterweight bearing bar is long, counterweight is positioned at piston top, load-bearing center of gravity is high, make piston sensitvity constraint system, the plus-minus of revising counterweight is that CN02284499.6 weight correcting compensation mechanism is realized by the patent No., due to mechanism and quality requirements limit its quantity and minimum counterbalance mass all restricted, therefore, uncertainty can only reach 0.01%.If realize the problem that the intelligent piston manometer of higher uncertainty requirement just must solve piston sensitivity and minimum counterbalance mass plus-minus mode and increase miniweights quantity.

Summary of the invention

Problem and defect that the object of the invention exists in order to overcome above-mentioned prior art, provide a kind of intelligent piston gage automatic loading structure, because the piston top and bottom of piston gage of the present invention all can be carried, make the stressed center of gravity of piston below piston, stressed even, highly sensitive, carrying accurately, has solved the problem that Tiny Mass counterweight requested number is many, quality is little simultaneously.

Technical scheme of the present invention is:

The automatic loading structure of a kind of intelligent piston gage, by base, the piston component of energy rotation, upper spandrel girder, two carrier bar connecting rods, lower spandrel girder, thrust bearing, T shape counterweight pole, at least one cylinder driving-type double hook counterweight suspender, annular counterweight, two fixed head poles, two limited rollers, two limited roller supports, air cylinder fixed plate, reversing solenoid valve composition, it is characterized in that: can above the piston component of rotation, be provided with spandrel girder, below is provided with spandrel girder, between two spandrel girders, connect by two carrier bar connecting rods respectively at its two ends, below the piston plate center of piston component upper end that can rotation and upper spandrel girder, center is respectively equipped with a concave hole, and both connect piston plate, upper spandrel girder in concave hole separately by thrust bearing, on base, have two through hole with center symmetry, two carrier bar connecting rods pass respectively the two through hole of base, the piston component of energy rotation is connected with base center, fills respectively limited roller support and a limited roller on two carrier bar connecting rods, and limited roller frame bottom is connected with base, on the cross bar of T shape counterweight pole, have with centrosymmetric multiple V-shaped grooves, the montant of T shape counterweight pole is connected with center above upper bearing beam, two fixed head pole upper ends are connected with the symmetria bilateralis of the air cylinder fixed plate that has multiple cylinder pilot holes, and two fixed head pole lower ends are connected with base respectively, each cylinder driving-type double hook counterweight suspender is made up of the double hook in the same way of a cylinder and a Y type handle, a V-shaped groove on the cross bar of the corresponding T shape of each cylinder driving-type double hook counterweight suspender counterweight pole, each cylinder upper end is connected with a reversing solenoid valve by gas pipeline, each reversing solenoid valve is connected with same source of the gas by gas pipeline, reversing solenoid valve is connected with outside computing machine, each cylinder lower end is fixed on the corresponding cylinder pilot hole of air cylinder fixed plate, bright connection of Y shape on the double hook in the same way of the piston rod on each cylinder and a Y type handle, and make double hook center aim at the corresponding V-shaped groove center on the cross bar of T shape counterweight pole, annular counterweight is enclosed within on the double hook in the same way of corresponding Y type, the piston component of energy rotation is driven by motor, and its structure is existing universal architecture.

The connection handle profile of described double hook is in the same way Y type, and double hook is parallel lays respectively at upper end two fulcrums and perpendicular to Y word plane.

T shape counterweight pole is T-shaped, is made up of a cross bar and a montant, and on cross bar, centered by montant, symmetry has V-type groove.

The cross section of described annular counterweight is annular.

Described lower spandrel girder center is provided with through hole.

The invention has the beneficial effects as follows: the upper spandrel girder of piston upper end and the lower spandrel girder of lower end of the piston component of energy rotation all can carry, make the stressed center of gravity of piston below piston, stressed even, highly sensitive, carrying accurately, has solved the problem that Tiny Mass counterweight requested number is many, quality is little simultaneously.

Brief description of the drawings

Fig. 1 is structural representation cut-open view of the present invention.

Fig. 2 is that the A-A of Fig. 1 is to cut-open view.

Fig. 3 is that the B-B of Fig. 1 is to cut-open view.

Embodiment

Below in conjunction with accompanying drawing, the present invention will be described in detail:

As shown in Figure 1, the present invention is made up of base 3, piston component 15 that can rotation, upper spandrel girder 6, two carrier bar connecting rods 2, lower spandrel girder 1, thrust bearing 13, T shape counterweight pole 7, four cylinder driving-type double hook counterweight suspenders 9, annular counterweight 8, two fixed head poles 4, two limited rollers 5, two limited roller supports 16, air cylinder fixed plate 10, reversing solenoid valves 11, it is characterized in that: piston component 15 tops of energy rotation are provided with spandrel girder 6, below is provided with spandrel girder 1, and lower spandrel girder 1 center is provided with through hole, between two spandrel girders, connect by two carrier bar connecting rods 2 respectively at its two ends, below piston plate 14 centers of piston component 15 upper ends that can rotation and upper spandrel girder 6, center is respectively equipped with a concave hole, and both connect piston plate 14, upper spandrel girder 6 in concave hole separately by thrust bearing 13, on base 3, have two through hole 17 with center symmetry, two carrier bar connecting rods 2 pass respectively the two through hole 17 of base 3, the piston component 15 of energy rotation is connected with base 3 centers by screw, on two carrier bar connecting rods 2, fill respectively a limited roller support 16 and limited roller 5, limited roller support 16 bottoms are connected with base 3, on the cross bar of T shape counterweight pole 7, centered by montant, symmetry has four V-shaped grooves, and the montant of T shape counterweight pole 7 is connected center above with upper bearing beam 6, two fixed head pole 4 upper ends are connected with the symmetria bilateralis of the air cylinder fixed plate 10 that has cylinder pilot hole, and two fixed head pole 4 lower ends are connected with base 3 respectively, each cylinder driving-type double hook counterweight suspender 9 is made up of the double hook in the same way 19 of a cylinder 18 and a Y type handle, as Fig. 2, shown in Fig. 3, a V-shaped groove on the cross bar of the corresponding T shape counterweight pole 7 of each cylinder driving-type double hook counterweight suspender 9, each cylinder 18 upper ends are connected with a reversing solenoid valve 11 by gas pipeline, each reversing solenoid valve 11 is connected with same source of the gas 12 by gas pipeline, reversing solenoid valve 11 is connected with outside computing machine, each cylinder 18 lower ends are fixed on the corresponding cylinder pilot hole of air cylinder fixed plate 10, bright connection of Y shape on the double hook in the same way 19 of the piston rod on each cylinder 18 and a Y type handle, and make double hook center aim at the corresponding V-shaped groove center on the cross bar of T shape counterweight pole 7, the connection handle profile of the double hook in the same way 19 of Y type is Y type, double hook is parallel lays respectively at upper end two fulcrums and perpendicular to Y word plane, the cross section of annular counterweight 8 is annular, is enclosed within on the double hook in the same way 19 of corresponding Y type, the piston component 15 of energy rotation is by motor-driven, and its structure is existing universal architecture.

When piston plate 14 on the piston component 15 of energy rotation rotates, upper spandrel girder 6, carrier bar connecting rod 2, lower spandrel girder 1, that T shape counterweight pole 7 is limited in sense of rotation by limited roller 5 is relatively static, but axially can move, when cylinder 18 drives the bright double hook in the same way 19 of Y type to move down, double hook and annular counterweight 8 depart from, annular counterweight 8 drops in the middle of the V-shaped groove on the cross bar of T shape counterweight pole 7, in stress state, as shown in Figure 3; While moving up, the bright double hook in the same way 19 of Y type is sling annular counterweight 8 and departs from completely with the cross bar of T shape counterweight pole 7, as shown in Figure 2, can connect in lower spandrel girder 1 center the large mass weight that other can be controlled automatically, because cylinder 18 is connected with computing machine by reversing solenoid valve 11, therefore can realize automatic loading.

Claims

1. the automatic loading structure of intelligent piston gage, by base, the piston component of energy rotation, upper spandrel girder, two carrier bar connecting rods, lower spandrel girder, thrust bearing, T shape counterweight pole, at least one cylinder driving-type double hook counterweight suspender, annular counterweight, two fixed head poles, two limited rollers, two limited roller supports, air cylinder fixed plate, reversing solenoid valve composition, it is characterized in that: can above the piston component of rotation, be provided with spandrel girder, below is provided with spandrel girder, between two spandrel girders, connect by two carrier bar connecting rods respectively at its two ends, below the piston plate center of piston component upper end that can rotation and upper spandrel girder, center is respectively equipped with a concave hole, and both connect piston plate, upper spandrel girder in concave hole separately by thrust bearing, on base, have two through hole with center symmetry, two carrier bar connecting rods pass respectively the two through hole of base, the piston component of energy rotation is connected with base center, fills respectively limited roller support and a limited roller on two carrier bar connecting rods, and limited roller frame bottom is connected with base, on the cross bar of T shape counterweight pole, have with centrosymmetric multiple V-shaped grooves, the montant of T shape counterweight pole is connected with center above upper bearing beam, two fixed head pole upper ends are connected with the symmetria bilateralis of the air cylinder fixed plate that has multiple cylinder pilot holes, and two fixed head pole lower ends are connected with base respectively, each cylinder driving-type double hook counterweight suspender is made up of the double hook in the same way of a cylinder and a Y type handle, a V-shaped groove on the cross bar of the corresponding T shape of each cylinder driving-type double hook counterweight suspender counterweight pole, each cylinder upper end is connected with a reversing solenoid valve by gas pipeline, each reversing solenoid valve is connected with same source of the gas by gas pipeline, reversing solenoid valve is connected with outside computing machine, each cylinder lower end is fixed on the corresponding cylinder pilot hole of air cylinder fixed plate, bright connection of Y shape on the double hook in the same way of the piston rod on each cylinder and a Y type handle, and make double hook center aim at the corresponding V-shaped groove center on the cross bar of T shape counterweight pole, annular counterweight is enclosed within on the double hook in the same way of corresponding Y type, the piston component of energy rotation is driven by motor.

2. the automatic loading structure of the intelligent piston gage of one according to claim 1, is characterized in that: the connection handle profile of the double hook in the same way of described Y type is Y type, and double hook is parallel lays respectively at upper end two fulcrums and perpendicular to Y word plane.

3. the automatic loading structure of the intelligent piston gage of one according to claim 1, is characterized in that: T shape counterweight pole is T-shaped, is made up of a cross bar and a montant, and on cross bar, centered by montant, symmetry has V-type groove.

4. the automatic loading structure of the intelligent piston gage of one according to claim 1, is characterized in that: the cross section of described annular counterweight is annular.

5. the automatic loading structure of the intelligent piston gage of one according to claim 1, is characterized in that: described lower spandrel girder center is provided with through hole.