CN216361748U

CN216361748U - Asphalt cement cone penetration tester capable of adjusting test temperature

Info

Publication number: CN216361748U
Application number: CN202122791603.6U
Authority: CN
Inventors: 谭敬儒; 谢海巍; 刘尊青; 姬豪杰; 万曦; 刘溪溪; 周鑫; 王晨韬; 敖茂川; 李乾正; 潘福元
Original assignee: Xinjiang Agricultural University
Current assignee: Xinjiang Agricultural University
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-04-22
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses an asphalt cement cone penetration tester capable of adjusting test temperature, and relates to the technical field of asphalt cement performance evaluation; the utility model provides an asphalt mastic conicity apparatus of adjustable experimental temperature, includes the base, sets up in the fixed stay of base top, water bath and controlgear, vertical setting in the caliber of water bath top for the centre gripping equipment of connection caliber and fixed stay sets up in base bottom stabilizer blade all around to and the plug of being connected with the base. The instrument can be used for directly measuring the cone penetration value of the asphalt cement, calculating the shear strength of the asphalt cement through the cone penetration value, evaluating the index performance of the asphalt cement, changing the water bath temperature in the water bath kettle, providing corresponding temperature conditions for tests, and having reasonable design, simple and convenient operation and wide application prospect.

Description

Asphalt cement cone penetration tester capable of adjusting test temperature

Technical Field

The utility model relates to the technical field of asphalt cement performance evaluation, in particular to an asphalt cement cone penetration tester capable of adjusting test temperature.

Background

The asphalt mixture is a composite material, mainly composed of asphalt mucilage and aggregate. The asphalt mucilage is mainly composed of asphalt and mineral powder, and may also include additives such as various fibers, etc., and the proportion of the asphalt mucilage in the asphalt mixture is not large, but the asphalt mucilage has great influence on pavement performance. Common track diseases of the asphalt mixture belong to shear failure, and the shearing strength of the asphalt cement directly influences the quality of the shearing resistance of the asphalt mixture, namely the high-temperature track resistance.

The asphalt cement as an important component of the asphalt mixture has direct influence on the road performance of the asphalt mixture, belongs to the category of granular materials as an important geotechnical material, and has the shear strength according with Mokolun's law. At present, the cone penetration test of asphalt mortar is usually carried out by modifying an asphalt penetrometer or a cement mortar consistometer, petroleum asphalt is sensitive to temperature conditions, the viscosity of asphalt changes along with the temperature, the change range is large, and partial instruments for cone penetration test by modification cannot provide different temperature conditions for the test.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an asphalt cement cone penetration tester, which solves the problem of the vacancy of the existing asphalt cement cone penetration tester, can adjust the horizontal height of a measuring device and the horizontal height of the whole tester, and obviously improves the testing efficiency and the measuring precision.

In order to achieve the above purpose, the utility model provides the following technical scheme:

the utility model provides an adjustable test temperature's pitch mucilage cone penetration apparatus, including the base, set up perpendicularly in the fixed stay of base top, set up in the water bath of base top, set up in the controlgear of base top front end is located the caliber of the vertical setting in water bath top is used for connecting the caliber with the centre gripping equipment of fixed stay, set up in base bottom stabilizer blade all around, and with the plug that the base is connected, the plug can be inserted and locate test site socket and switch on for the instrument.

As a further aspect of the present invention, the fixing post is divided into an upper portion and a lower portion, and the lower portion includes a column, a cylindrical block disposed at an upper end of the column, and a projection disposed at an upper end of the cylindrical block. A cylindrical sliding groove is formed in the bottom end of the lower portion, a rectangular sliding groove is formed in one side inside the cylindrical sliding groove, a fan-shaped sliding groove is formed in the top of the rectangular sliding groove, the opening angle of the fan-shaped sliding groove is equal to that of the fan-shaped sliding groove, a spring is further arranged on the top of the cylindrical sliding groove, and the lower end of the spring is connected with the top end of the cylindrical block; the upper portion and the lower portion are connected through the cylindrical sliding groove, so that the cylindrical block can slide up and down in the cylindrical sliding groove, meanwhile, the protruding block can vertically slide along the rectangular sliding groove in the rectangular sliding groove, the protruding block can rotatably slide in the fan-shaped sliding groove, and meanwhile, the protruding block limits the separation of the upper portion and the lower portion. The middle end of the upper portion is provided with a thread, one side of the thread is provided with a groove, the thread is further provided with a lifting lantern ring, and the vertical height of the lifting lantern ring on the thread can be adjusted through rotation.

As a further aspect of the present invention, there is provided: the measurer comprises a straight rod, scale marks arranged at the upper end of the straight rod, and a measuring cone connected with the lower end of the straight rod, wherein an annular magnet is further arranged in the middle of the straight rod.

As a further aspect of the present invention, there is provided: the clamping device comprises a clamp holder, a cylindrical sliding groove is formed in the clamp holder, so that the measurer can vertically slide in the cylindrical sliding groove, an electromagnet is arranged at the top end of the cylindrical sliding groove, and the electromagnet can adsorb the annular magnet in a power-on state to ensure that the annular magnet and the connecting device thereof do not fall down; the clamping device is characterized in that one end of the clamping device further comprises a lantern ring and a connecting rod, the lantern ring passes through the connecting rod and is connected with the clamping device, the lantern ring can be sleeved on the fixed support column, a sliding groove is formed in the connecting rod, the sliding groove is L-shaped, one end of the sliding groove is opened on one side of the lantern ring, a sliding block can slide horizontally along the sliding groove, and the sliding block can be partially supported out of the sliding groove when sliding to one side of the lantern ring.

As a further aspect of the present invention, there is provided: the water bath pot including the pot body, set up in the internal spacing groove of pot, the spacing groove top is used for placing splendid attire pitch mucilage's flourishing appearance ware, still be provided with heating ring and temperature sensor in the water bath pot, the water bath pot top is provided with integrated platform, temperature sensor with the heating ring all with integrated platform is connected, integrated bench side is provided with the light, integrated platform pass through the electric wire with the base is connected the circular telegram.

As a further aspect of the present invention, there is provided: the water-saving water bath device is characterized in that a drainage device is arranged inside the base and comprises a drainage pipe and a water valve switch, one end of the drainage pipe is connected with the bottom end of the water bath kettle, and the water valve switch is connected with the other end of the drainage pipe.

As a further aspect of the present invention, there is provided: the control device comprises an operation table, a control module and a connecting wire, wherein the operation table is connected with the control module, the control module mainly controls all electrical equipment on the instrument, and the connecting wire is arranged in the base and is respectively connected with the plug and the wire. And a tester sets and uses the instrument through the operating platform.

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

(1) disclosed is an asphalt cement cone penetration instrument capable of adjusting test temperature, which can directly measure the cone penetration value of asphalt cement, calculate the shear strength of asphalt cement through the cone penetration value, and evaluate the index performance of asphalt cement. Meanwhile, the problems that other test instruments and test methods similar to the test instrument are needed when the asphalt cement cone penetration test is carried out are solved, the instrument design is reasonable, the operation is simple and convenient, and the application prospect is wide.

(2) The water bath pot is arranged above the base, the water bath temperature in the pot can be changed by controlling the heating ring in the water bath pot, corresponding temperature conditions are provided for tests, and the penetration degree of asphalt mucilage at different temperatures can be measured; the water bath pot bottom is connected with the drain pipe, and after the experiment, can get rid of the water in the water bath pot through control water valve switch and be convenient for the testing personnel clear up, is showing the work efficiency who has promoted the testing personnel.

(3) Be provided with the fixed stay above the base, through the upper portion of rotatory promotion fixed stay, can change the vertical height on fixed stay upper portion, change the spatial position of the centre gripping equipment and the caliber of being connected with fixed stay upper portion simultaneously, make things convenient for the experimenter to water injection in the water bath, clearance water bath and settle or take out a series of operations such as flourishing appearance ware, provide sufficient operating space for the experimenter.

Drawings

FIG. 1 is a left side view of an asphalt cement cone penetration tester with adjustable test temperature.

FIG. 2 is a front view of an asphalt cement cone penetration tester with adjustable test temperature.

Fig. 3 is a schematic structural diagram of a fixing support, a clamping device and a measurer of the asphalt cement cone penetration tester capable of adjusting the test temperature.

Fig. 4 is a schematic structural diagram of a clamping device of an asphalt cement cone penetration tester capable of adjusting the test temperature.

Fig. 5 is a schematic structural diagram of an operation table of the asphalt cement cone penetration tester capable of adjusting the test temperature.

In the figure: 1. a base; 2. fixing a strut; 21. a lower portion; 211. a main body; 212. a cylindrical block; 213. a bump; 22. an upper portion; 221. a cylindrical chute; 222. a rectangular chute; 223. a fan-shaped chute; 224. a spring; 225. a thread; 226. a groove; 227. a lifting lantern ring; 3. a clamping device; 31. a connecting rod; 311. a chute; 312. a slider; 32. a holder; 321. a cylindrical chute; 322. an electromagnet; 33. a collar; 4. a measurer; 41. measuring a cone; 42. a ring magnet; 43. scale lines; 44. a straight rod; 5. a water bath kettle; 51. a temperature sensor; 52. a heating ring; 53. a pan body; 54. an integration platform; 55. an electric wire; 56. a limiting groove; 57. an illuminating lamp; 58. a sample containing vessel; 6. a drainage device; 61. a drain pipe; 62, a water valve switch; 7. a control device; 71. an operation table; 711. a start/end button; 712. a temperature display screen; 713. a temperature adjustment button; 714. an illumination button; 72. a control module; 73. connecting an electric wire; 8. a plug; 9. and (3) a support leg.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, the asphalt cement cone penetration tester capable of adjusting the test temperature disclosed by the utility model comprises a base, support legs arranged on the periphery of the bottom of the base, a drainage device and a control device arranged in the base, a plug connected with the base, a fixed support vertically arranged above the base, a water bath kettle arranged above the base, a measurer arranged above the water bath kettle, and a clamping device for connecting the fixed support and the measurer.

Referring to fig. 1 and 3, the fixing support is divided into an upper portion and a lower portion, and the lower portion is composed of a cylinder, a cylindrical block and a projection arranged at the top end of the cylindrical block; the upper portion bottom is provided with cylindrical chute, one side is provided with the rectangle spout in the cylindrical chute, rectangle spout top is provided with fan-shaped spout, fan-shaped spout one end is connected with the rectangle spout, cylinder spout top still is provided with the spring, the spring bottom is connected with cylinder piece top, the pillar lower part is passed through the cylinder piece with upper portion and is connected in the cylinder spout cunning, and the lug can be respectively in rectangle spout and fan-shaped spout vertical slip and rotatory slip, the lug has restricted pillar upper portion and lower part separation in the rectangle spout simultaneously, pillar upper portion still is provided with the screw thread in addition, the vertical recess that is provided with in screw thread one side, the screw thread department is provided with the lift lantern ring, the vertical height on pillar upper portion can be changed to the rotatory lift lantern ring. The arrangement is that the upper part and the lower part of the fixed support are always connected, meanwhile, the height of the upper part of the fixed support at the vertical position is changed through sliding, when the convex block is arranged at one end of the fan-shaped sliding chute principle rectangular sliding chute and the spring is compressed, the instrument is in an initial state, namely the measurer is positioned right above the water bath kettle; make it can vertical slip through anticlockwise rotation fixed stay upper portion, and other devices of being connected with fixed stay rotate along with the rotation on upper portion, because the setting of spring, can give fixed stay upper portion an ascending power when promoting, the testing personnel of being convenient for promote it, when the spring is in lax state, fixed stay upper portion and other devices of being connected can promote to the highest vertical position, the testing personnel of being convenient for will contain a kind ware and take out or install, promote test efficiency, increase experimental operating space, furthermore, can make it rise or reduce in screw thread department through the lift lantern ring on the rotatory fixed stay.

Referring to fig. 1 and 3, the measuring device comprises a straight rod and a measuring cone connected with the straight rod, wherein the upper end of the straight rod is provided with scale marks, and the middle end of the straight rod is provided with an annular magnet. So set up for the caliber is same whole, and directly sets up the scale mark on the straight-bar, makes things convenient for the tester direct measurement reading, and whole caliber design is simple and do benefit to the clearance, has improved experimental efficiency.

Referring to fig. 3 and 4, the clamping device comprises a clamp, a lantern ring and a connecting rod, the lantern ring is sleeved at the thread of the fixed support and can rotate in the horizontal plane, the lantern ring of the clamping device can be arranged above the lifting lantern ring, and the height of the lantern ring changes along with the change of the lifting lantern ring; a cylindrical sliding groove is arranged in the holder, the top end of the sliding groove is provided with an electromagnet, the electromagnet can adsorb the whole measurer in a power-on state, and the holder is connected with the lantern ring through a connecting rod; be provided with L type spout in the connecting rod, spout one end opening is in the lantern ring, is provided with L type slider in the spout and can follows the spout horizontal slip, and slider one end can expend the spout in the lantern ring. Due to the arrangement, the measurer is connected with the fixed support column through the clamping equipment, and in the test process, the measurer is positioned at different spatial positions by adjusting the height and the angle of the upper part of the fixed support column, so that other test operations such as the installation of a sample containing vessel and the like are facilitated; when the lantern ring rotates to the position that the opening of the sliding groove corresponds to the groove, a tester pokes the sliding block towards the lantern ring direction, so that the sliding groove is propped against the groove at one end of the sliding block, the angle of the clamping device on the horizontal plane is fixed, the test is facilitated, the measurer is prevented from rotating in the horizontal direction, and the measurement precision is improved; after the clamping device is fixed, the height of the lifting lantern ring can be changed along with the change of the height of the lifting lantern ring, and the device is helpful for a tester to perform fine adjustment operation on the height of the measurer.

Referring to fig. 1 and 2, the water bath includes a pot body, a limit groove arranged in the pot, a sample container arranged above the limit groove and used for containing asphalt cement, a heating ring and a temperature sensor arranged in the pot, the heating ring and the temperature sensor are connected with an integration platform arranged above the water bath, and a lighting lamp is arranged above the integration platform and connected with a base through an electric wire to supply power to the integration platform. By the arrangement, a corresponding water bath environment can be manufactured for a test in the water bath, the sample containing vessel can be stably placed above the limiting groove, the clear water in the water bath is heated by the heating ring, so that the test can be performed under different temperature conditions, the temperature sensor can monitor the water temperature in real time, the test is performed under an accurate temperature condition, and the illuminating lamp is helpful for a tester to perform high fine adjustment on the measurer in a dark test site or under the condition of blurred vision; in addition, the integrated platform is connected with the control equipment in the base through an electric wire, so that the test temperature is visualized and the control signal is received.

Referring to fig. 1 and 2, a drainage device is arranged in the base and comprises a drainage pipe and a water valve switch, one end of the drainage pipe is connected with the bottom of the water bath, the water valve switch is connected with the other end of the drainage pipe, the drainage pipe is in an S-shaped arrangement, and a connecting part of the drainage pipe and the water valve switch is arranged outside the base. So set up, can be after experimental, discharge by the rotatory water valve switch of experimenter to the water in the water bath, the drain pipe is connected with water bath bottom and is helped the whole discharge of water in the pot, and the experimenter of being convenient for clears up and other operations.

Referring to fig. 2 and 5, the control device includes an operation desk, a control module and a connection wire, the operation desk is located at the front end of the upper portion of the base, the control module is connected with the operation desk and located inside the base, the control module can control all electrical devices on the instrument, the connection wire is arranged inside the base, and the connection wire can connect the electrical devices and the plug of the instrument with the control module. So set up, can make testing personnel to the electrical apparatus on the instrument control operation, adjust the required temperature condition of experiment, show the audio-visual performance of test temperature simultaneously, show and promoted test efficiency, easy operation.

The working principle is as follows: when the asphalt mortar conicity instrument with the adjustable test temperature is used, firstly, a plug of the instrument is inserted into a power-on socket of a test site, and whether the instrument is powered on is checked. When the asphalt mortar coning degree instrument with adjustable test temperature is used, when the instrument is in an initial state (a measurer is positioned right above a water bath, and a spring is in a compressed state), the upper part of the fixed support column is rotated by 90 degrees anticlockwise, and the upper part of the fixed support column and a connecting device thereof are lifted to the highest position; and placing the sample containing vessel containing the asphalt mucilage on a limiting groove in a water bath pot, and injecting water into the water bath pot until the water surface is slightly higher than the outer edge of the sample containing vessel. And downwards pressing the fixed support to the bottommost end, and clockwise rotating the fixed support to enable the fixed support to return to the initial state, so that the sample container is fixed and water injection operation is completed.

The lighting lamp is inclined to one side and is aligned to the center of the sample container, so that a tester can clearly see the upper surface of the asphalt cement through the water surface; the opening of the horizontal rotation clamping device up to the connecting rod upper chute corresponds to the groove on the upper portion of the fixed support, and the sliding block is stirred to one side of the lantern ring by a tester, so that the sliding block is abutted against the groove to horizontally fix the clamping device and the fixed support and limit the clamping device to rotate in the horizontal plane. And then, fine adjustment of the vertical height of the measurer is carried out, the lifting lantern ring on the upper part of the fixed support is rotated anticlockwise to be descended, the clamping device descends along with the descending of the lifting lantern ring, and the rotation of the lifting lantern ring is stopped until the measuring cone of the measurer is just contacted with the asphalt cement.

After the instrument is electrified and fixed, the water bath environment is heated, temperature adjustment is carried out by testers according to needs according to different temperature conditions, the temperature display screen respectively displays target water temperature and actual water temperature, the target water temperature value of the temperature display screen can be changed through the temperature adjusting button, meanwhile, the heating ring is controlled to work until the actual water temperature in the water bath is consistent with the target water temperature, and then next-step test operation can be carried out.

When the series of preparation work is finished and the actual water temperature in the water bath pot does not change any more, the test is started: the start button on the operation panel is pressed by a tester, the electromagnet on the equipment is controlled to be clamped by the control module to be powered off, the measurer starts to fall under the influence of dead weight, the scale mark at the upper end of the straight rod of the measurer is read by the tester after 10s, and the penetration is the depth of the measurer falling in asphalt cement within 10s under a certain temperature condition, so that the test is completed.

After the test is finished, pressing a finishing button on the operating platform, slowly lifting the measurer to fix the measurer and the clamp, and simultaneously adjusting the water bath temperature to zero, namely controlling the heating ring not to be in a working state and controlling the target water temperature of the temperature display screen to be zero; after the sample is cooled to room temperature, rotating and lifting the upper part of the fixed support column in the same way, and horizontally rotating the upper part of the fixed support column and the connecting device thereof by 90 degrees, so that a tester can conveniently take out the sample containing vessel containing the asphalt cement for cleaning; unscrewing the water valve switch to discharge water in the water bath to a containing barrel or other facilities in a test site through a water discharge pipe, and screwing the water valve switch after the water is drained; the instrument is returned to the initial state by horizontally rotating and pressing the upper part of the fixed support, and finally the plug is taken down to cut off the power supply.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides an asphalt cement cone penetration apparatus of adjustable test temperature which characterized in that: including base (1), set up in the fixed stay (2) of base (1) top perpendicularly, set up in water bath (5) of base (1) top, set up in controlgear (7) of base (1) top front end is located caliber (4) of the vertical setting in water bath (5) top is used for connecting caliber (4) with centre gripping equipment (3) of fixed stay (2), set up in base (1) bottom stabilizer blade all around, and with plug (8) that base (1) is connected, plug (8) can be inserted and locate experimental place socket and energize for the instrument.

2. The asphalt cement cone penetration tester capable of adjusting the test temperature according to claim 1, is characterized in that: the fixing support column (2) is divided into an upper part (22) and a lower part (21), the lower part (21) comprises a cylinder (211), a cylindrical block (212) arranged at the upper end of the cylinder (211) and a convex block (213) arranged at the upper end of the cylindrical block (212), a cylindrical sliding groove (221) is arranged at the bottom end of the lower part (21), a rectangular sliding groove (222) is arranged on one side inside the cylindrical sliding groove (221), a fan-shaped sliding groove (223) is arranged at the top of the rectangular sliding groove (222), the opening angle of the fan-shaped sliding groove (223) is 90 degrees, a spring (224) is further arranged at the top of the cylindrical sliding groove (221), and the lower end of the spring (224) is connected with the top end of the cylindrical block (212); the upper portion (22) and the lower portion (21) are connected through the cylindrical sliding groove (221), the cylindrical block (212) can slide up and down in the cylindrical sliding groove (221), meanwhile, the protruding block (213) is located in the rectangular sliding groove (222) and can slide vertically along the rectangular sliding groove (222), the protruding block (213) can slide in the fan-shaped sliding groove (223) in a rotating mode, meanwhile, the protruding block (213) limits the upper portion (22) and the lower portion (21) to be separated, the middle end of the upper portion (22) is provided with a thread (225), one side of the thread (225) is provided with a groove (226), a lifting lantern ring (227) is further arranged at the thread (225), and the vertical height of the lifting lantern ring (227) on the thread (225) can be adjusted through rotating.

3. The asphalt cement cone penetration tester capable of adjusting the test temperature according to claim 1, is characterized in that: the measurer (4) comprises a straight rod (44), a scale mark (43) arranged at the upper end of the straight rod (44), and a measuring cone (41) connected with the lower end of the straight rod (44), wherein an annular magnet (42) is further arranged in the middle of the straight rod (44).

4. The asphalt cement cone penetration tester capable of adjusting the test temperature according to claim 3, is characterized in that: the clamping device (3) comprises a clamp holder (32), a cylindrical sliding groove (321) is formed in the clamp holder (32), so that the measurer (4) can vertically slide in the cylindrical sliding groove (321), an electromagnet (322) is arranged at the top end of the cylindrical sliding groove (321), and the electromagnet (322) can adsorb the annular magnet (42) in a power-on state to ensure that the annular magnet (42) and the connecting device thereof do not fall down; the clamping device (3) further comprises a sleeve ring (33) and a connecting rod (31), the sleeve ring (33) is connected with the clamp holder (32) through the connecting rod (31), the sleeve ring (33) can be sleeved on the fixed support column (2) and can rotate horizontally, a sliding groove (311) is formed in the connecting rod (31), the sliding groove (311) is arranged in an L shape, one end of the sliding groove is opened on one side of the sleeve ring (33), a sliding block (312) is arranged in the sliding groove (311) and can slide horizontally along the sliding groove (311), and the sliding block (312) can be partially supported out of the sliding groove (311) when the sliding block (312) slides to one side of the sleeve ring (33).

5. The asphalt cement cone penetration tester capable of adjusting the test temperature according to claim 1, is characterized in that: water bath (5) including the pot body (53), set up in spacing groove (56) in the pot body (53), spacing groove (56) top is provided with appearance ware (58) greatly that are used for splendid attire pitch mucilage, still be provided with heating ring (52) and temperature sensor (51) in water bath (5), water bath (5) top is provided with integrated platform (54), temperature sensor (51) with heating ring (52) all with integrated platform (54) are connected, integrated platform (54) top is provided with light (57), integrated platform (54) pass through electric wire (55) with base (1) connect the circular telegram.

6. The asphalt cement cone penetration tester capable of adjusting the test temperature according to claim 1, is characterized in that: the water-saving and water-saving device is characterized in that a drainage device (6) is arranged inside the base (1), the drainage device (6) comprises a drainage pipe (61) and a water valve switch (62), one end of the drainage pipe (61) is connected with the bottom end of the water bath kettle (5), and the water valve switch (62) is connected with the other end of the drainage pipe (61).

7. The asphalt cement cone penetration tester capable of adjusting the test temperature according to claim 1, is characterized in that: the control device (7) comprises an operation table (71), a control module (72) and a connecting wire (73), wherein the operation table (71) comprises a start/end button (711), a temperature display screen (712), a temperature adjusting button (713) and an illuminating button (714); operation panel (71) with control module (72) are connected, control module (72) are mainly controlled all electrical equipment on the instrument, connecting wire (73) are laid in base (1) and respectively with the plug (8) of telling with electric wire (55) are connected, and the testing personnel pass through the operation panel sets up and uses the instrument.