CN218971181U

CN218971181U - Circuit board shock-absorbing assembly in logging while drilling instrument

Info

Publication number: CN218971181U
Application number: CN202222960337.XU
Authority: CN
Inventors: 刘策
Original assignee: Bitswave Suzhou Co Ltd
Current assignee: Bitswave Suzhou Co Ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-05-05
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a circuit board shock-absorbing assembly in a logging while drilling instrument, which comprises a bottom plate, a first shock-absorbing part and a second shock-absorbing part; mounting plates are symmetrically arranged at two ends of the bottom plate and used for mounting the circuit board, and mounting holes are formed in the mounting plates; the upper surface of bottom plate is connected with the apron through the double-screw bolt, the top of double-screw bolt is provided with the knob. According to the utility model, the circuit board is placed on the first gasket, the cover plate is buckled on the bottom plate, the bottom plate is in locking connection with the cover plate through the stud, the second gasket is contacted with the upper surface of the circuit board and matched with the first gasket to clamp and fix the circuit board, the lower surface of the circuit board is contacted with the foam-rubber cushion to realize auxiliary shock absorption, and the buffer fixation of the circuit board can be realized through the matching of the first shock absorption part and the second shock absorption part, so that the circuit board is effectively damaged by shock.

Description

Circuit board shock-absorbing assembly in logging while drilling instrument

Technical Field

The utility model relates to the technical field of logging while drilling instruments, in particular to a circuit board shock absorbing assembly in a logging while drilling instrument.

Background

In the exploration and development processes of oil and gas fields, the well drilling process needs well logging so as to know the condition of the stratum containing oil and gas, well logging instruments while drilling are placed in a drill collar, and well drilling parameters such as drilling pressure, torque, rotating speed, annular pressure and the like are measured in addition to conventional well logging such as resistivity, sound velocity, neutron porosity and density and certain imaging well logging.

Because the logging while drilling instrument works in a severe environment, has high temperature, high pressure and strong vibration, a circuit board installed inside the logging instrument needs to have good shock-absorbing performance to avoid damage to the circuit board. The circuit board in the existing logging while drilling instrument is helped to avoid vibration through a foam cushion or an elastic rubber block, but the installation efficiency of the circuit board is reduced, and the efficient disassembly, maintenance and replacement of the circuit board are not facilitated.

Disclosure of Invention

In order to effectively solve the problems in the background technology, the utility model provides the following technical scheme: a circuit board shock-absorbing assembly in a logging while drilling instrument comprises a bottom plate, a first shock-absorbing part and a second shock-absorbing part;

mounting plates are symmetrically arranged at two ends of the bottom plate and used for mounting the circuit board, and mounting holes are formed in the mounting plates; the upper surface of the bottom plate is connected with a cover plate through a stud, and the top end of the stud is provided with a knob;

the first damping parts are uniformly distributed on the upper surface of the bottom plate;

the second shock absorption parts are uniformly distributed on the lower surface of the cover plate, and the second shock absorption parts and the first shock absorption parts are mounted in an up-down matching mode.

Wherein: the first shock attenuation spare part includes spout, first spring, first traveller and first gasket, the spout evenly set up in the upper surface of bottom plate, the inside sliding connection of spout has first traveller, first spring set up in the inside bottom of spout with between the first traveller, the equal fixedly connected with first gasket in top of first traveller.

Further: the first damping part further comprises a second spring, and the second spring is sleeved on the outer cambered surface of the first sliding column and is located between the bottom plate and the first gasket.

Wherein: the second shock attenuation spare part includes second traveller, slide opening and second gasket, the slide opening evenly set up in the lower surface of apron, the inside sliding connection of slide opening has the second traveller, the bottom fixedly connected with of second traveller the second gasket, the second gasket with correspond the parallel conflict of first gasket that sets up.

Further: the second damping part further comprises a third spring, and the third spring is sleeved on the outer cambered surface of the second sliding column and is positioned between the second gasket and the lower surface of the cover plate.

Further: the upper surface of bottom plate still is provided with the foam-rubber cushion to be used for the auxiliary shock absorber of circuit board.

Compared with the prior art, when the circuit board is used, the circuit board is placed on the first gasket, the cover plate is buckled on the bottom plate, the bottom plate is in locking connection with the cover plate through the stud, the second gasket is contacted with the upper surface of the circuit board and matched with the first gasket to clamp and fix the circuit board, the lower surface of the circuit board is contacted with the foam-rubber cushion to realize auxiliary shock absorption, and the buffer fixation of the circuit board can be realized through the matching of the first shock absorption part and the second shock absorption part, so that the circuit board is effectively damaged by shock.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a schematic view of a partial cross-sectional structure of the present utility model.

The figures represent the numbers: 1. the device comprises a bottom plate, a 2 mounting plate, a 3 mounting hole, a 4 first shock absorbing component, a 41 sliding groove, a 42 first spring, a 43 first sliding column, a 44 second spring, a 45 first gasket, a 5 sponge cushion, a 6 cover plate, a 7 stud, an 8 knob, a 9 second shock absorbing component, a 91 second sliding column, a 92 sliding hole, a 93 third spring and a 94 second gasket.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-2, the present embodiment provides a circuit board shock absorbing assembly in a logging while drilling instrument, which includes a base plate 1, a first shock absorbing component 4 and a second shock absorbing component 9; mounting plates 2 are symmetrically arranged at two ends of the bottom plate 1 and used for mounting a circuit board, and mounting holes 3 are formed in the mounting plates 2; the upper surface of the bottom plate 1 is connected with a cover plate 6 through a stud 7, and the top end of the stud 7 is provided with a knob 8; the first damping parts 4 are uniformly distributed on the upper surface of the bottom plate 1; the second shock absorption parts 9 are uniformly distributed on the lower surface of the cover plate 6, and the second shock absorption parts 9 and the first shock absorption parts 4 are mounted in an up-down matching way; the upper surface of the bottom plate 1 is also provided with a foam cushion 5 for assisting the shock absorption of the circuit board.

Wherein: the first damping part 4 comprises a sliding groove 41, a first spring 42, a first sliding column 43 and a first gasket 45, wherein the sliding groove 41 is uniformly formed in the upper surface of the bottom plate 1, the first sliding column 43 is connected in the sliding groove 41 in a sliding manner, the first spring 42 is arranged between the bottom end of the sliding groove 41 and the first sliding column 43, and the first gasket 45 is fixedly connected to the top end of the first sliding column 43; the second spring 44 is sleeved on the outer arc surface of the first sliding column 43 and is located between the bottom plate 1 and the first gasket 45.

Wherein: the second shock absorption part 9 comprises a second sliding column 91, a sliding hole 92 and a second gasket 94, the sliding hole 92 is uniformly formed in the lower surface of the cover plate 6, the second sliding column 91 is connected in the sliding hole 92 in a sliding manner, the second gasket 94 is fixedly connected to the bottom end of the second sliding column 91, and the second gasket 94 is in parallel abutting contact with the first gasket 45 which is correspondingly arranged; and the third spring 93 is sleeved on the outer cambered surface of the second sliding column 91 and is positioned between the second gasket 94 and the lower surface of the cover plate 6.

The working principle of the utility model is as follows:

when the circuit board is installed, the circuit board is placed on the first gasket 45, the cover plate 6 is buckled on the bottom plate 1, the stud 7 is used for fixedly connecting the bottom plate 1 with the cover plate 6 through the knob 8, pressure is generated on the circuit board when the second gasket 94 is contacted with the upper surface of the circuit board, further clamping and fixing of the circuit board are achieved through upper and lower matching of the first gasket 45 and the second gasket 94, at the moment, the second sliding column 91 slides with the sliding hole 92 and enables the third spring 93 to be in a compressed state, the first sliding column 43 slides with the sliding groove 41 and enables the first spring 42 to be in a compressed state with the second spring 44, then the lower surface of the circuit board is contacted with the sponge pad 5 to enable the sponge pad 5 to assist in shock absorption, and therefore buffer protection can be carried out on the circuit board through the mutual matching of the first gasket 45 and the second gasket 94 when the circuit board is clamped and fixed, and damage to the circuit board is prevented.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structures or equivalent flow modifications which may be made by the teachings of the present utility model and the accompanying drawings or which may be directly or indirectly employed in other related art are within the scope of the utility model.

Claims

1. A circuit board shock assembly in logging while drilling instrument is characterized in that: comprises a bottom plate (1), a first damping part (4) and a second damping part (9);

mounting plates (2) are symmetrically arranged at two ends of the bottom plate (1) and used for mounting a circuit board, and mounting holes (3) are formed in the mounting plates (2); the upper surface of the bottom plate (1) is connected with a cover plate (6) through a stud (7), and a knob (8) is arranged at the top end of the stud (7);

the first damping parts (4) are uniformly distributed on the upper surface of the bottom plate (1);

the second shock absorption parts (9) are uniformly distributed on the lower surface of the cover plate (6), and the second shock absorption parts (9) and the first shock absorption parts (4) are mounted in an up-down matching mode.

2. The circuit board suspension assembly in a logging while drilling instrument of claim 1, wherein: the first shock attenuation spare part (4) include spout (41), first spring (42), first traveller (43) and first gasket (45), spout (41) evenly set up in the upper surface of bottom plate (1), the inside sliding connection of spout (41) have first traveller (43), first spring (42) set up in the inside bottom of spout (41) with between first traveller (43), the equal fixedly connected with first gasket (45) in top of first traveller (43).

3. The circuit board suspension assembly in a logging while drilling instrument of claim 2, wherein: the first damping part (4) further comprises a second spring (44), and the second spring (44) is sleeved on the outer cambered surface of the first sliding column (43) and is located between the bottom plate (1) and the first gasket (45).

4. The circuit board suspension assembly in a logging while drilling instrument of claim 2, wherein: the second shock attenuation spare part (9) include second traveller (91), slide hole (92) and second gasket (94), slide hole (92) evenly set up in the lower surface of apron (6), the inside sliding connection of slide hole (92) has second traveller (91), the bottom fixedly connected with of second traveller (91) second gasket (94), second gasket (94) with correspond the parallel conflict of setting of first gasket (45).

5. The circuit board suspension assembly in a logging while drilling instrument of claim 4, wherein: the second damping part (9) further comprises a third spring (93), and the third spring (93) is sleeved on the outer cambered surface of the second sliding column (91) and is located between the second gasket (94) and the lower surface of the cover plate (6).

6. The circuit board suspension assembly in a logging while drilling instrument of claim 1, wherein: the upper surface of the bottom plate (1) is also provided with a foam cushion (5) for assisting in shock absorption of the circuit board.