CN213544500U

CN213544500U - Portable gas detector for geological survey

Info

Publication number: CN213544500U
Application number: CN202022140222.7U
Authority: CN
Inventors: 袁丽伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-06-25
Anticipated expiration: 2030-09-26

Abstract

The utility model discloses a gas detection appearance for portable geological survey, including the bottom plate, install the universal wheel below the bottom plate, the handle has been installed to one side of bottom plate, and the hand facial make-up is equipped with the bracing piece, is connected with the connecting plate between the bracing piece, and the connecting plate facial make-up is equipped with gaseous composition display instrument, and the backup pad has been installed to the symmetry on the bottom plate, is equipped with the mounting groove in the backup pad, and the pivot has been installed to the mounting groove internal rotation, and wherein a backup pad facial make-up is. The air composition detector is mounted and supported on the rotary rod, and contacts with air before a user, so that the safety performance is improved.

Description

Portable gas detector for geological survey

Technical Field

The utility model belongs to the technical field of gas detection appearance, concretely relates to gas detection appearance for portable geological survey.

Background

Geological exploration is investigation and research activities of surveying and detecting geology through various means and methods, determining a proper bearing stratum, determining a foundation type according to the foundation bearing capacity of the bearing stratum and calculating foundation parameters.

In geological exploration work, some artificial caves need to be surveyed, and due to long-term placement, dangerous gas in the caves cannot be eliminated, therefore, a gas detector is mostly adopted for detection, the main body of the existing gas detector consists of two parts, namely a gas composition display instrument and an air composition detector, the air composition detector mainly consists of various gas sensing modules, a signal conversion module and a wireless transmission module, in the process of sensing the gas concentration by the gas sensing modules, the signal conversion module converts the concentration signals into digital signals and transmits the digital signals to the gas composition display instrument through the wireless transmission module, because the gas composition display instrument and the air composition detector reach a digital agreement, the gas composition display instrument can display different gas contents in a form of a table, and the defects exist that: at present, when the gas composition display instrument is used, a user holds the air composition detector with one hand and holds the gas composition display instrument with the other hand, the user is easy to contact with harmful gas when the harmful gas is not detected, and the safety performance is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas detection appearance for portable geological survey to solve the poor problem of security performance that prior art exists.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a gas detection appearance for portable geological survey, includes the bottom plate, the universal wheel has been installed below the bottom plate, the handle has been installed to one side of bottom plate, the hand facial make-up is equipped with the bracing piece, be connected with the connecting plate between the bracing piece, the connecting plate facial make-up is equipped with gaseous composition display instrument, the backup pad has been installed to the symmetry on the bottom plate, be equipped with the mounting groove in the backup pad, the pivot has been installed to the mounting groove internal rotation, and wherein a backup pad facial make-up is equipped with magnetism band-type brake gear motor, and mounting groove one side in this backup pad is equipped with the perforation, magnetism band-type brake gear motor's rotor shaft runs through the perforation and connects the pivot.

Preferably, the mounting groove is of a circular groove structure, a bearing is arranged in the mounting groove, and two ends of the rotary shaft are arranged on an inner ring of the bearing.

Preferably, one side of backup pad is connected with the installing frame, the built-in battery that is equipped with of installing frame, and the incoming end of battery is connected with positive and negative rotation controller through the cable, and positive and negative rotation controller's output passes through the power input end of cable connection magnetism band-type brake gear motor.

Preferably, one side of the air composition detector is provided with an inserting sleeve, the inserting sleeve is of a round sleeve structure, one end of the rotary rod is inserted into the inserting sleeve, the inserting sleeve is provided with a threaded hole, a bolt is connected with the threaded hole in an internal thread mode, and the rotary rod is provided with an inserting groove and the bolt is inserted into the inserting groove.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a portable for gas detection instrument for geological survey holds the handle, the gyro wheel through the universal wheel of four sides below the bottom plate rolls subaerial, conveniently promote this gas detection instrument and remove at cave subaerial, the different gas concentration of air composition detection instrument perception, through showing gas concentration data on installing the gas composition display instrument on the connecting plate, because the air composition detection instrument is installed the support on the swing arm, therefore the air composition detection instrument is prior to user contact gas, consequently, the security performance has been improved.

The utility model provides a gas detection appearance for portable geological survey, through the positive and negative rotation button of pressing positive and negative rotation controller, the corotation and the reversal of convenient control magnetism band-type brake gear motor rotor shaft change the air composition detection instrument and survey the height, and the trend of universal wheel is changed in the cooperation, can let the air composition detection instrument survey the gas concentration of equidirectional, and the swing arm is handed relatively, and labour saving and convenience during the use.

Drawings

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

FIG. 2 is a schematic view in partial cutaway of FIG. 1;

FIG. 3 is a right side view of FIG. 1 taken at A-A;

fig. 4 is an enlarged schematic view of a portion of fig. 2.

In the figure: the device comprises a base plate 1, universal wheels 2, a handle 3, support rods 4, a connecting plate 5, a gas composition display instrument 6, support plates 7, mounting grooves 8, bearings 9, a rotating shaft 10, a magnetic band-type brake speed reduction motor 11, a perforation 12, a mounting frame 13, a storage battery 14, a forward and reverse rotation controller 15, a rotating rod 16, an air composition detector 17, an insertion sleeve 18, a threaded hole 19, a bolt 20 and an insertion groove 21.

Detailed Description

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

Referring to fig. 1, 2 and 3, a portable gas detector for geological exploration comprises a bottom plate 1, universal wheels 2 are screwed on four sides of the lower surface of the bottom plate 1, the type of the universal wheels 2 is GM01, the gas detector is conveniently pushed to move on the ground by rolling wheels of the universal wheels 2 on the four sides, a handle 3 is welded on the right side of the upper surface of the bottom plate 1, the handle 3 is of a U-shaped rod structure, support rods 4 are respectively welded at the front and rear positions of the handle 3, a connecting plate 5 is welded between the support rods 4, a gas component display 6 is fixed by screws on the right side of the connecting plate 5, the gas component display 6 and an air component detector 17 are products of the same type, the type is BH-60, support plates 7 are symmetrically welded on the bottom plate 1, mounting grooves 8 are arranged on the inner corresponding end surfaces of the front and rear support plates 7, mounting groove 8 is circular groove structure, bearing 9 has been inserted to the interference in the mounting groove 8, the inner circle of the both ends interference fit bearing 9 of spiral shaft 10, it accepts spiral shaft 10 to rotate through bearing 9, make spiral shaft 10 rotate stably in the same direction as smooth, backup pad 7 of rear side adopts screw fixation magnetism band-type brake gear motor 11, the model of magnetism band-type brake gear motor 11 is 5IK90RGU-CMF, 8 rear sides of mounting groove on the backup pad 7 of rear side are equipped with perforation 12, magnetism band-type brake gear motor 11's rotor shaft runs through perforation 12 and welds spiral shaft 10, when magnetism band-type brake gear motor 11's rotor shaft was rotatory, it was rotatory to drive spiral shaft 10.

Referring to fig. 1, 2, 3 and 4, a mounting frame 13 is welded on the right side of the supporting plate 7, the mounting frame 13 is of a right-angled frame structure, a storage battery 14 is fixed on a screw in the mounting frame 13, the type of the storage battery 14 is 12N7-4A, an access end of the storage battery 14 is connected with a power input end of a forward and reverse rotation controller 15 through a cable, the type of the forward and reverse rotation controller 15 is XFYK-18, an output end of the forward and reverse rotation controller 15 is connected with the power input end of the magnetic contracting brake speed reducing motor 11 through a cable, forward and reverse rotation of a rotor shaft of the magnetic contracting brake speed reducing motor 11 is conveniently controlled by pressing a forward and reverse rotation button of the forward and reverse rotation controller 15, when the magnetic contracting brake speed reducing motor 11 stops operating, a rotor shaft of the magnetic contracting brake speed reducing motor 11 is immediately clamped tightly through a magnetic contracting system inside the magnetic contracting brake speed reducing motor, so that the rotor shaft of, the length of swing arm 16 is 3 meters, the right side welding of air composition detection instrument 17 has plug bush 18, plug bush 18 is the round cover structure, the left side of swing arm 16 slides and inserts in plug bush 18, the upside of plug bush 18 is equipped with screw hole 19, screw hole 19 female connection has bolt 20, be equipped with slot 21 on the swing arm 16, slot 21 is circular groove structure, bolt 20 slides and inserts slot 21, when slot 21 inserts bolt 20, restriction plug bush 18 is rotatory on swing arm 16, make air composition detection instrument 17 by stable installation on swing arm 16.

When the gas detector is used, the handle 3 is held, the gas detector is conveniently pushed to move on the cave ground by rolling wheels of the universal wheels 2 on the four sides of the lower surface of the bottom plate 1, the air composition detector 17 senses different gas concentrations, gas concentration data are displayed on the gas composition display instrument 6 arranged on the connecting plate 5, and the air composition detector 17 is arranged and supported on the rotary rod 16, so that the air composition detector 17 is in contact with gas before a user, and the safety of the user is improved;

the forward and reverse rotation of the rotor shaft of the magnetic band-type brake speed reducing motor 11 is conveniently controlled by pressing a forward and reverse rotation button of the forward and reverse rotation controller 15, the rotary shaft 10 is driven to rotate, the rotary shaft 10 is rotatably supported by the bearing 9, so that the rotary shaft 10 rotates stably and smoothly, the rotary rod 16 is driven to turn upwards or downwards, the detection height of the air component detector 17 is changed, the trend of the universal wheel 2 is changed in a matching manner, the air component detector 17 can detect gas concentrations in different directions, and the use is labor-saving and convenient compared with the manual holding of the rotary rod 16;

when the insertion slot 21 is inserted into the bolt 20, the rotation of the insertion sleeve 18 on the rotary rod 16 is restricted so that the air composition detector 17 is stably mounted on the rotary rod 16, and when it is necessary to detach the air composition detector 17 from the rotary rod 16, it is only necessary to rotate the bolt 20 so that the bolt 20 is disengaged from the insertion slot 21, and then pull the air composition detector 17 outward, the insertion sleeve 18 is disengaged from the rotary rod 16, and the air composition detector 17 is detached from the rotary rod 16.

Claims

1. A gas detection instrument for portable geological survey, includes bottom plate (1), its characterized in that: the lower surface of the bottom plate (1) is provided with a universal wheel (2), one side of the bottom plate (1) is provided with a handle (3), the handle (3) is provided with support rods (4), a connecting plate (5) is connected between the support rods (4), the connecting plate (5) is provided with a gas composition display instrument (6), the bottom plate (1) is symmetrically provided with supporting plates (7), the supporting plate (7) is provided with a mounting groove (8), a rotating shaft (10) is rotatably arranged in the mounting groove (8), one of the supporting plates (7) is provided with a magnetic band-type brake reducing motor (11), a through hole (12) is arranged at one side of the mounting groove (8) on the supporting plate (7), a rotor shaft of the magnetic band-type brake speed reducing motor (11) penetrates through the through hole (12) and is connected with the rotating shaft (10), the rotating shaft (10) is connected with a rotating rod (16), and an air composition detector is arranged on the rotating rod (16).

2. The gas detector as claimed in claim 1, wherein: the mounting groove (8) is of a circular groove structure, a bearing (9) is arranged in the mounting groove (8), and two ends of a rotating shaft (10) are arranged on an inner ring of the bearing (9).

3. The gas detector as claimed in claim 1, wherein: one side of backup pad (7) is connected with installing frame (13), and the built-in battery (14) that is equipped with in installing frame (13), and the incoming end of battery (14) is connected with positive and negative rotation controller (15) through the cable, and the power input end of magnetism band-type brake gear motor (11) is connected through the cable to the output of positive and negative rotation controller (15).

4. The gas detector as claimed in claim 1, wherein: one side of the air composition detector (17) is provided with an inserting sleeve (18), the inserting sleeve (18) is of a round sleeve structure, one end of a rotating rod (16) is inserted into the inserting sleeve (18), a threaded hole (19) is formed in the inserting sleeve (18), a bolt (20) is connected to the threaded hole (19) in an internal thread mode, and a slot (21) is formed in the rotating rod (16) and the bolt (20) is inserted into the slot (21).